We should not copy other projects (under a different License) files into
our tree. On build time all you need should be in the ppp devel package.
This commit is contained in:
parent
6f90e0b7bf
commit
ed5d995a8f
|
@ -14,11 +14,11 @@ export CAPILIB=$(TOPDIR)/../capi20
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export INSTALL=$(TOPDIR)/install-sh -c
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export INSTALLDATA=$(TOPDIR)/install-sh -c -o root -m 600
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export MKDIR=$(TOPDIR)/mkinstalldirs
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export PPPINC=/usr/include/pppd
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PPPSRCDIRS=/src/isdn/pppd
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ifeq ($(PPPVERSIONS),)
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PPPVERSIONS = 2.3.11 2.4.0 2.4.1 2.4.1b1 2.4.1b2 2.4.2b3 2.4.2 2.4.3
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ifeq ($(PPPVERSION),)
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PPPVERSION_XX=$(shell grep VERSION $(PPPINC)/patchlevel.h)
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PPPVERSION=$(word 3,$(PPPVERSION_XX))
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endif
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PEERDIR=${DESTDIR}/etc/ppp/peers/isdn
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@ -28,20 +28,26 @@ DRDSLFILES = adsl.conf
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ALL = capiplugin.so userpass.so
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all: pversion
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@for i in $(PPPVERSIONS) ; do \
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echo $(MAKE) -C ppp-$$i PPPVERSION=$$i $@ ; \
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$(MAKE) -C ppp-$$i PPPVERSION=$$i $@ ; \
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done
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#all: pversion
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# @for i in $(PPPVERSIONS) ; do \
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# echo $(MAKE) -C ppp-$$i PPPVERSION=$$i $@ ; \
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# $(MAKE) -C ppp-$$i PPPVERSION=$$i $@ ; \
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# done
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all: pversion ppp-$(PPPVERSION)
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echo $(MAKE) -C ppp-$(PPPVERSION) PPPVERSION=$(PPPVERSION)
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$(MAKE) -C ppp-$(PPPVERSION) PPPVERSION=$(PPPVERSION)
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ppp-$(PPPVERSION):
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$(MKDIR) ppp-$(PPPVERSION)
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echo created ppp-$(PPPVERSION)
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cp Makefile.template ppp-$(PPPVERSION)/Makefile
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distclean: clean
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clean:
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@for i in $(PPPVERSIONS) ; do \
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echo $(MAKE) -C ppp-$$i PPPVERSION=$$i $@ ; \
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$(MAKE) -C ppp-$$i PPPVERSION=$$i $@ ; \
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done
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$(RM) comperr pversion
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echo $(MAKE) -C ppp-$(PPPVERSION) PPPVERSION=$(PPPVERSION) $@ ;
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$(MAKE) -C ppp-$(PPPVERSION) PPPVERSION=$(PPPVERSION) $@ ;
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install-peers:
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$(MKDIR) $(PEERDIR)
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@ -69,11 +75,9 @@ install-man:
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fi ; \
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done
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install: pversion
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@for i in $(PPPVERSIONS) ; do \
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echo $(MAKE) -C ppp-$$i PPPVERSION=$$i $@ ; \
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$(MAKE) -C ppp-$$i PPPVERSION=$$i $@ ; \
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done
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install:
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echo $(MAKE) -C ppp-$(PPPVERSION) PPPVERSION=$(PPPVERSION) $@ ;
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$(MAKE) -C ppp-$(PPPVERSION) PPPVERSION=$(PPPVERSION) $@ ;
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$(MAKE) install-peers
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$(MAKE) install-drdsl
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$(MAKE) install-man
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@ -11,7 +11,7 @@
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vpath %.c $(TOPDIR)
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CC = gcc
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INC = -I$(TOPDIR) -I$(CAPIINC) -Ipppd
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INC = -I$(TOPDIR) -I$(CAPIINC) -I$(PPPINC)
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DEFS = -DPPPVER=$(shell $(TOPDIR)/pversion $(PPPVERSION))
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MYCFLAGS= -O2 -Wall -fPIC $(DEFS) $(INC) -L$(CAPILIB)
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LDFLAGS = -shared -L$(CAPILIB)
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@ -1,14 +0,0 @@
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# Makefile for the capiplugin for pppd(8).
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#
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# Copyright 2000 Carsten Paeth (calle@calle.in-berlin.de)
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# Copyright 2000 AVM GmbH Berlin (info@avm.de)
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version
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# 2 of the License, or (at your option) any later version.
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PLUGINDIR=${DESTDIR}/usr/lib/pppd/$(PPPVERSION)
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include $(TOPDIR)/Rules.make
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@ -1,6 +0,0 @@
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/* $Id: patchlevel.h,v 1.2 2001/05/03 09:00:51 calle Exp $ */
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#define PATCHLEVEL 11
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#define VERSION "2.3"
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#define IMPLEMENTATION ""
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#define DATE "23 December 1999"
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@ -1,671 +0,0 @@
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/*
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* pppd.h - PPP daemon global declarations.
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*
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* Copyright (c) 1989 Carnegie Mellon University.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* advertising materials, and other materials related to such
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* distribution and use acknowledge that the software was developed
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* by Carnegie Mellon University. The name of the
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* University may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: pppd.h,v 1.2 2001/05/03 09:00:51 calle Exp $
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*/
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/*
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* TODO:
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*/
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#ifndef __PPPD_H__
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#define __PPPD_H__
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#include <stdio.h> /* for FILE */
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#include <limits.h> /* for NGROUPS_MAX */
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#include <sys/param.h> /* for MAXPATHLEN and BSD4_4, if defined */
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#include <sys/types.h> /* for u_int32_t, if defined */
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#include <sys/time.h> /* for struct timeval */
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#include <net/ppp_defs.h>
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#if defined(__STDC__)
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#include <stdarg.h>
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#define __V(x) x
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#else
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#include <varargs.h>
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#define __V(x) (va_alist) va_dcl
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#define const
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#define volatile
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#endif
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#ifdef INET6
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#include "eui64.h"
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#endif
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/*
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* Limits.
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*/
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#define NUM_PPP 1 /* One PPP interface supported (per process) */
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#define MAXWORDLEN 1024 /* max length of word in file (incl null) */
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#define MAXARGS 1 /* max # args to a command */
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#define MAXNAMELEN 256 /* max length of hostname or name for auth */
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#define MAXSECRETLEN 256 /* max length of password or secret */
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/*
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* Option descriptor structure.
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*/
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typedef unsigned char bool;
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enum opt_type {
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o_special_noarg = 0,
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o_special = 1,
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o_bool,
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o_int,
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o_uint32,
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o_string,
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};
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typedef struct {
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char *name; /* name of the option */
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enum opt_type type;
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void *addr;
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char *description;
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int flags;
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void *addr2;
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int upper_limit;
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int lower_limit;
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} option_t;
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/* Values for flags */
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#define OPT_VALUE 0xff /* mask for presupplied value */
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#define OPT_HEX 0x100 /* int option is in hex */
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#define OPT_NOARG 0x200 /* option doesn't take argument */
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#define OPT_OR 0x400 /* OR in argument to value */
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#define OPT_INC 0x800 /* increment value */
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#define OPT_PRIV 0x1000 /* privileged option */
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#define OPT_STATIC 0x2000 /* string option goes into static array */
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#define OPT_LLIMIT 0x4000 /* check value against lower limit */
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#define OPT_ULIMIT 0x8000 /* check value against upper limit */
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#define OPT_LIMITS (OPT_LLIMIT|OPT_ULIMIT)
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#define OPT_ZEROOK 0x10000 /* 0 value is OK even if not within limits */
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#define OPT_NOINCR 0x20000 /* value mustn't be increased */
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#define OPT_ZEROINF 0x40000 /* with OPT_NOINCR, 0 == infinity */
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#define OPT_A2INFO 0x100000 /* addr2 -> option_info to update */
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#define OPT_A2COPY 0x200000 /* addr2 -> second location to rcv value */
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#define OPT_ENABLE 0x400000 /* use *addr2 as enable for option */
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#define OPT_PRIVFIX 0x800000 /* can't be overridden if noauth */
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#define OPT_PREPASS 0x1000000 /* do this opt in pre-pass to find device */
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#define OPT_INITONLY 0x2000000 /* option can only be set in init phase */
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#define OPT_DEVEQUIV 0x4000000 /* equiv to device name */
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#define OPT_DEVNAM (OPT_PREPASS | OPT_INITONLY | OPT_DEVEQUIV)
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#define OPT_VAL(x) ((x) & OPT_VALUE)
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#ifndef GIDSET_TYPE
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#define GIDSET_TYPE gid_t
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#endif
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/* Structure representing a list of permitted IP addresses. */
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struct permitted_ip {
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int permit; /* 1 = permit, 0 = forbid */
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u_int32_t base; /* match if (addr & mask) == base */
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u_int32_t mask; /* base and mask are in network byte order */
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};
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/*
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* Unfortunately, the linux kernel driver uses a different structure
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* for statistics from the rest of the ports.
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* This structure serves as a common representation for the bits
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* pppd needs.
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*/
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struct pppd_stats {
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unsigned int bytes_in;
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unsigned int bytes_out;
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};
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/* Used for storing a sequence of words. Usually malloced. */
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struct wordlist {
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struct wordlist *next;
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char *word;
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};
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/*
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* Global variables.
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*/
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extern int hungup; /* Physical layer has disconnected */
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extern int ifunit; /* Interface unit number */
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extern char ifname[]; /* Interface name */
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extern int ttyfd; /* Serial device file descriptor */
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extern char hostname[]; /* Our hostname */
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extern u_char outpacket_buf[]; /* Buffer for outgoing packets */
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extern int phase; /* Current state of link - see values below */
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extern int baud_rate; /* Current link speed in bits/sec */
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extern char *progname; /* Name of this program */
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extern int redirect_stderr;/* Connector's stderr should go to file */
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extern char peer_authname[];/* Authenticated name of peer */
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extern int privileged; /* We were run by real-uid root */
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extern int need_holdoff; /* Need holdoff period after link terminates */
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extern char **script_env; /* Environment variables for scripts */
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extern int detached; /* Have detached from controlling tty */
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extern GIDSET_TYPE groups[NGROUPS_MAX]; /* groups the user is in */
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extern int ngroups; /* How many groups valid in groups */
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extern struct pppd_stats link_stats; /* byte/packet counts etc. for link */
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extern int link_stats_valid; /* set if link_stats is valid */
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extern int link_connect_time; /* time the link was up for */
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extern int using_pty; /* using pty as device (notty or pty opt.) */
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extern int log_to_fd; /* logging to this fd as well as syslog */
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extern char *no_ppp_msg; /* message to print if ppp not in kernel */
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extern volatile int status; /* exit status for pppd */
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extern int devnam_fixed; /* can no longer change devnam */
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extern int unsuccess; /* # unsuccessful connection attempts */
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extern int do_callback; /* set if we want to do callback next */
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extern int doing_callback; /* set if this is a callback */
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||||
/* Values for do_callback and doing_callback */
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#define CALLBACK_DIALIN 1 /* we are expecting the call back */
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#define CALLBACK_DIALOUT 2 /* we are dialling out to call back */
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||||
/*
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||||
* Variables set by command-line options.
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*/
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||||
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||||
extern int debug; /* Debug flag */
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||||
extern int kdebugflag; /* Tell kernel to print debug messages */
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||||
extern int default_device; /* Using /dev/tty or equivalent */
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extern char devnam[MAXPATHLEN]; /* Device name */
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extern int crtscts; /* Use hardware flow control */
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extern bool modem; /* Use modem control lines */
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extern int inspeed; /* Input/Output speed requested */
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||||
extern u_int32_t netmask; /* IP netmask to set on interface */
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extern bool lockflag; /* Create lock file to lock the serial dev */
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extern bool nodetach; /* Don't detach from controlling tty */
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extern bool updetach; /* Detach from controlling tty when link up */
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||||
extern char *initializer; /* Script to initialize physical link */
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||||
extern char *connect_script; /* Script to establish physical link */
|
||||
extern char *disconnect_script; /* Script to disestablish physical link */
|
||||
extern char *welcomer; /* Script to welcome client after connection */
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||||
extern char *ptycommand; /* Command to run on other side of pty */
|
||||
extern int maxconnect; /* Maximum connect time (seconds) */
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||||
extern char user[MAXNAMELEN];/* Our name for authenticating ourselves */
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||||
extern char passwd[MAXSECRETLEN]; /* Password for PAP or CHAP */
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||||
extern bool auth_required; /* Peer is required to authenticate */
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||||
extern bool persist; /* Reopen link after it goes down */
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||||
extern bool uselogin; /* Use /etc/passwd for checking PAP */
|
||||
extern char our_name[MAXNAMELEN];/* Our name for authentication purposes */
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||||
extern char remote_name[MAXNAMELEN]; /* Peer's name for authentication */
|
||||
extern bool explicit_remote;/* remote_name specified with remotename opt */
|
||||
extern bool demand; /* Do dial-on-demand */
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||||
extern char *ipparam; /* Extra parameter for ip up/down scripts */
|
||||
extern bool cryptpap; /* Others' PAP passwords are encrypted */
|
||||
extern int idle_time_limit;/* Shut down link if idle for this long */
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||||
extern int holdoff; /* Dead time before restarting */
|
||||
extern bool holdoff_specified; /* true if user gave a holdoff value */
|
||||
extern bool notty; /* Stdin/out is not a tty */
|
||||
extern char *record_file; /* File to record chars sent/received */
|
||||
extern bool sync_serial; /* Device is synchronous serial device */
|
||||
extern int maxfail; /* Max # of unsuccessful connection attempts */
|
||||
extern char linkname[MAXPATHLEN]; /* logical name for link */
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||||
extern bool tune_kernel; /* May alter kernel settings as necessary */
|
||||
extern int connect_delay; /* Time to delay after connect script */
|
||||
|
||||
#ifdef PPP_FILTER
|
||||
extern struct bpf_program pass_filter; /* Filter for pkts to pass */
|
||||
extern struct bpf_program active_filter; /* Filter for link-active pkts */
|
||||
#endif
|
||||
|
||||
#ifdef MSLANMAN
|
||||
extern bool ms_lanman; /* Use LanMan password instead of NT */
|
||||
/* Has meaning only with MS-CHAP challenges */
|
||||
#endif
|
||||
|
||||
extern char *current_option; /* the name of the option being parsed */
|
||||
extern int privileged_option; /* set iff the current option came from root */
|
||||
extern char *option_source; /* string saying where the option came from */
|
||||
|
||||
/*
|
||||
* Values for phase.
|
||||
*/
|
||||
#define PHASE_DEAD 0
|
||||
#define PHASE_INITIALIZE 1
|
||||
#define PHASE_SERIALCONN 2
|
||||
#define PHASE_DORMANT 3
|
||||
#define PHASE_ESTABLISH 4
|
||||
#define PHASE_AUTHENTICATE 5
|
||||
#define PHASE_CALLBACK 6
|
||||
#define PHASE_NETWORK 7
|
||||
#define PHASE_RUNNING 8
|
||||
#define PHASE_TERMINATE 9
|
||||
#define PHASE_DISCONNECT 10
|
||||
#define PHASE_HOLDOFF 11
|
||||
|
||||
/*
|
||||
* The following struct gives the addresses of procedures to call
|
||||
* for a particular protocol.
|
||||
*/
|
||||
struct protent {
|
||||
u_short protocol; /* PPP protocol number */
|
||||
/* Initialization procedure */
|
||||
void (*init) __P((int unit));
|
||||
/* Process a received packet */
|
||||
void (*input) __P((int unit, u_char *pkt, int len));
|
||||
/* Process a received protocol-reject */
|
||||
void (*protrej) __P((int unit));
|
||||
/* Lower layer has come up */
|
||||
void (*lowerup) __P((int unit));
|
||||
/* Lower layer has gone down */
|
||||
void (*lowerdown) __P((int unit));
|
||||
/* Open the protocol */
|
||||
void (*open) __P((int unit));
|
||||
/* Close the protocol */
|
||||
void (*close) __P((int unit, char *reason));
|
||||
/* Print a packet in readable form */
|
||||
int (*printpkt) __P((u_char *pkt, int len,
|
||||
void (*printer) __P((void *, char *, ...)),
|
||||
void *arg));
|
||||
/* Process a received data packet */
|
||||
void (*datainput) __P((int unit, u_char *pkt, int len));
|
||||
bool enabled_flag; /* 0 iff protocol is disabled */
|
||||
char *name; /* Text name of protocol */
|
||||
char *data_name; /* Text name of corresponding data protocol */
|
||||
option_t *options; /* List of command-line options */
|
||||
/* Check requested options, assign defaults */
|
||||
void (*check_options) __P((void));
|
||||
/* Configure interface for demand-dial */
|
||||
int (*demand_conf) __P((int unit));
|
||||
/* Say whether to bring up link for this pkt */
|
||||
int (*active_pkt) __P((u_char *pkt, int len));
|
||||
};
|
||||
|
||||
/* Table of pointers to supported protocols */
|
||||
extern struct protent *protocols[];
|
||||
|
||||
/*
|
||||
* Prototypes.
|
||||
*/
|
||||
|
||||
/* Procedures exported from main.c. */
|
||||
void detach __P((void)); /* Detach from controlling tty */
|
||||
void die __P((int)); /* Cleanup and exit */
|
||||
void quit __P((void)); /* like die(1) */
|
||||
void novm __P((char *)); /* Say we ran out of memory, and die */
|
||||
void timeout __P((void (*func)(void *), void *arg, int t));
|
||||
/* Call func(arg) after t seconds */
|
||||
void untimeout __P((void (*func)(void *), void *arg));
|
||||
/* Cancel call to func(arg) */
|
||||
pid_t run_program __P((char *prog, char **args, int must_exist,
|
||||
void (*done)(void *), void *arg));
|
||||
/* Run program prog with args in child */
|
||||
void reopen_log __P((void)); /* (re)open the connection to syslog */
|
||||
void update_link_stats __P((int)); /* Get stats at link termination */
|
||||
void script_setenv __P((char *, char *)); /* set script env var */
|
||||
void script_unsetenv __P((char *)); /* unset script env var */
|
||||
void new_phase __P((int)); /* signal start of new phase */
|
||||
|
||||
/* Procedures exported from utils.c. */
|
||||
void log_packet __P((u_char *, int, char *, int));
|
||||
/* Format a packet and log it with syslog */
|
||||
void print_string __P((char *, int, void (*) (void *, char *, ...),
|
||||
void *)); /* Format a string for output */
|
||||
int slprintf __P((char *, int, char *, ...)); /* sprintf++ */
|
||||
int vslprintf __P((char *, int, char *, va_list)); /* vsprintf++ */
|
||||
size_t strlcpy __P((char *, const char *, size_t)); /* safe strcpy */
|
||||
size_t strlcat __P((char *, const char *, size_t)); /* safe strncpy */
|
||||
void dbglog __P((char *, ...)); /* log a debug message */
|
||||
void info __P((char *, ...)); /* log an informational message */
|
||||
void notice __P((char *, ...)); /* log a notice-level message */
|
||||
void warn __P((char *, ...)); /* log a warning message */
|
||||
void error __P((char *, ...)); /* log an error message */
|
||||
void fatal __P((char *, ...)); /* log an error message and die(1) */
|
||||
|
||||
/* Procedures exported from auth.c */
|
||||
void link_required __P((int)); /* we are starting to use the link */
|
||||
void link_terminated __P((int)); /* we are finished with the link */
|
||||
void link_down __P((int)); /* the LCP layer has left the Opened state */
|
||||
void link_established __P((int)); /* the link is up; authenticate now */
|
||||
void start_networks __P((void)); /* start all the network control protos */
|
||||
void np_up __P((int, int)); /* a network protocol has come up */
|
||||
void np_down __P((int, int)); /* a network protocol has gone down */
|
||||
void np_finished __P((int, int)); /* a network protocol no longer needs link */
|
||||
void auth_peer_fail __P((int, int));
|
||||
/* peer failed to authenticate itself */
|
||||
void auth_peer_success __P((int, int, char *, int));
|
||||
/* peer successfully authenticated itself */
|
||||
void auth_withpeer_fail __P((int, int));
|
||||
/* we failed to authenticate ourselves */
|
||||
void auth_withpeer_success __P((int, int));
|
||||
/* we successfully authenticated ourselves */
|
||||
void auth_check_options __P((void));
|
||||
/* check authentication options supplied */
|
||||
void auth_reset __P((int)); /* check what secrets we have */
|
||||
int check_passwd __P((int, char *, int, char *, int, char **));
|
||||
/* Check peer-supplied username/password */
|
||||
int get_secret __P((int, char *, char *, char *, int *, int));
|
||||
/* get "secret" for chap */
|
||||
int auth_ip_addr __P((int, u_int32_t));
|
||||
/* check if IP address is authorized */
|
||||
int bad_ip_adrs __P((u_int32_t));
|
||||
/* check if IP address is unreasonable */
|
||||
|
||||
/* Procedures exported from demand.c */
|
||||
void demand_conf __P((void)); /* config interface(s) for demand-dial */
|
||||
void demand_block __P((void)); /* set all NPs to queue up packets */
|
||||
void demand_unblock __P((void)); /* set all NPs to pass packets */
|
||||
void demand_discard __P((void)); /* set all NPs to discard packets */
|
||||
void demand_rexmit __P((int)); /* retransmit saved frames for an NP */
|
||||
int loop_chars __P((unsigned char *, int)); /* process chars from loopback */
|
||||
int loop_frame __P((unsigned char *, int)); /* should we bring link up? */
|
||||
|
||||
/* Procedures exported from sys-*.c */
|
||||
void sys_init __P((void)); /* Do system-dependent initialization */
|
||||
void sys_cleanup __P((void)); /* Restore system state before exiting */
|
||||
int sys_check_options __P((void)); /* Check options specified */
|
||||
void sys_close __P((void)); /* Clean up in a child before execing */
|
||||
int ppp_available __P((void)); /* Test whether ppp kernel support exists */
|
||||
int get_pty __P((int *, int *, char *, int)); /* Get pty master/slave */
|
||||
int open_ppp_loopback __P((void)); /* Open loopback for demand-dialling */
|
||||
int establish_ppp __P((int)); /* Turn serial port into a ppp interface */
|
||||
void restore_loop __P((void)); /* Transfer ppp unit back to loopback */
|
||||
void disestablish_ppp __P((int)); /* Restore port to normal operation */
|
||||
void clean_check __P((void)); /* Check if line was 8-bit clean */
|
||||
void set_up_tty __P((int, int)); /* Set up port's speed, parameters, etc. */
|
||||
void restore_tty __P((int)); /* Restore port's original parameters */
|
||||
void setdtr __P((int, int)); /* Raise or lower port's DTR line */
|
||||
void output __P((int, u_char *, int)); /* Output a PPP packet */
|
||||
void wait_input __P((struct timeval *));
|
||||
/* Wait for input, with timeout */
|
||||
void add_fd __P((int)); /* Add fd to set to wait for */
|
||||
void remove_fd __P((int)); /* Remove fd from set to wait for */
|
||||
int read_packet __P((u_char *)); /* Read PPP packet */
|
||||
int get_loop_output __P((void)); /* Read pkts from loopback */
|
||||
void ppp_send_config __P((int, int, u_int32_t, int, int));
|
||||
/* Configure i/f transmit parameters */
|
||||
void ppp_set_xaccm __P((int, ext_accm));
|
||||
/* Set extended transmit ACCM */
|
||||
void ppp_recv_config __P((int, int, u_int32_t, int, int));
|
||||
/* Configure i/f receive parameters */
|
||||
int ccp_test __P((int, u_char *, int, int));
|
||||
/* Test support for compression scheme */
|
||||
void ccp_flags_set __P((int, int, int));
|
||||
/* Set kernel CCP state */
|
||||
int ccp_fatal_error __P((int)); /* Test for fatal decomp error in kernel */
|
||||
int get_idle_time __P((int, struct ppp_idle *));
|
||||
/* Find out how long link has been idle */
|
||||
int get_ppp_stats __P((int, struct pppd_stats *));
|
||||
/* Return link statistics */
|
||||
int sifvjcomp __P((int, int, int, int));
|
||||
/* Configure VJ TCP header compression */
|
||||
int sifup __P((int)); /* Configure i/f up for one protocol */
|
||||
int sifnpmode __P((int u, int proto, enum NPmode mode));
|
||||
/* Set mode for handling packets for proto */
|
||||
int sifdown __P((int)); /* Configure i/f down for one protocol */
|
||||
int sifaddr __P((int, u_int32_t, u_int32_t, u_int32_t));
|
||||
/* Configure IPv4 addresses for i/f */
|
||||
int cifaddr __P((int, u_int32_t, u_int32_t));
|
||||
/* Reset i/f IP addresses */
|
||||
#ifdef INET6
|
||||
int sif6addr __P((int, eui64_t, eui64_t));
|
||||
/* Configure IPv6 addresses for i/f */
|
||||
int cif6addr __P((int, eui64_t, eui64_t));
|
||||
/* Remove an IPv6 address from i/f */
|
||||
#endif
|
||||
int sifdefaultroute __P((int, u_int32_t, u_int32_t));
|
||||
/* Create default route through i/f */
|
||||
int cifdefaultroute __P((int, u_int32_t, u_int32_t));
|
||||
/* Delete default route through i/f */
|
||||
int sifproxyarp __P((int, u_int32_t));
|
||||
/* Add proxy ARP entry for peer */
|
||||
int cifproxyarp __P((int, u_int32_t));
|
||||
/* Delete proxy ARP entry for peer */
|
||||
u_int32_t GetMask __P((u_int32_t)); /* Get appropriate netmask for address */
|
||||
int lock __P((char *)); /* Create lock file for device */
|
||||
int relock __P((int)); /* Rewrite lock file with new pid */
|
||||
void unlock __P((void)); /* Delete previously-created lock file */
|
||||
void logwtmp __P((const char *, const char *, const char *));
|
||||
/* Write entry to wtmp file */
|
||||
int get_host_seed __P((void)); /* Get host-dependent random number seed */
|
||||
int have_route_to __P((u_int32_t)); /* Check if route to addr exists */
|
||||
#ifdef PPP_FILTER
|
||||
int set_filters __P((struct bpf_program *pass, struct bpf_program *active));
|
||||
/* Set filter programs in kernel */
|
||||
#endif
|
||||
#ifdef IPX_CHANGE
|
||||
int sipxfaddr __P((int, unsigned long, unsigned char *));
|
||||
int cipxfaddr __P((int));
|
||||
#endif
|
||||
|
||||
/* Procedures exported from options.c */
|
||||
int parse_args __P((int argc, char **argv));
|
||||
/* Parse options from arguments given */
|
||||
int options_from_file __P((char *filename, int must_exist, int check_prot,
|
||||
int privileged));
|
||||
/* Parse options from an options file */
|
||||
int options_from_user __P((void)); /* Parse options from user's .ppprc */
|
||||
int options_for_tty __P((void)); /* Parse options from /etc/ppp/options.tty */
|
||||
int options_from_list __P((struct wordlist *, int privileged));
|
||||
/* Parse options from a wordlist */
|
||||
int getword __P((FILE *f, char *word, int *newlinep, char *filename));
|
||||
/* Read a word from a file */
|
||||
void option_error __P((char *fmt, ...));
|
||||
/* Print an error message about an option */
|
||||
int int_option __P((char *, int *));
|
||||
/* Simplified number_option for decimal ints */
|
||||
void add_options __P((option_t *)); /* Add extra options */
|
||||
|
||||
/*
|
||||
* This structure is used to store information about certain
|
||||
* options, such as where the option value came from (/etc/ppp/options,
|
||||
* command line, etc.) and whether it came from a privileged source.
|
||||
*/
|
||||
|
||||
struct option_info {
|
||||
int priv; /* was value set by sysadmin? */
|
||||
char *source; /* where option came from */
|
||||
};
|
||||
|
||||
extern struct option_info devnam_info;
|
||||
extern struct option_info initializer_info;
|
||||
extern struct option_info connect_script_info;
|
||||
extern struct option_info disconnect_script_info;
|
||||
extern struct option_info welcomer_info;
|
||||
extern struct option_info ptycommand_info;
|
||||
|
||||
/*
|
||||
* Hooks to enable plugins to change various things.
|
||||
*/
|
||||
extern int (*new_phase_hook) __P((int));
|
||||
extern int (*idle_time_hook) __P((struct ppp_idle *));
|
||||
extern int (*holdoff_hook) __P((void));
|
||||
extern int (*pap_check_hook) __P((void));
|
||||
extern int (*pap_auth_hook) __P((char *user, char *passwd, char **msgp,
|
||||
struct wordlist **paddrs,
|
||||
struct wordlist **popts));
|
||||
extern void (*pap_logout_hook) __P((void));
|
||||
extern int (*pap_passwd_hook) __P((char *user, char *passwd));
|
||||
extern void (*ip_up_hook) __P((void));
|
||||
extern void (*ip_down_hook) __P((void));
|
||||
|
||||
/*
|
||||
* Inline versions of get/put char/short/long.
|
||||
* Pointer is advanced; we assume that both arguments
|
||||
* are lvalues and will already be in registers.
|
||||
* cp MUST be u_char *.
|
||||
*/
|
||||
#define GETCHAR(c, cp) { \
|
||||
(c) = *(cp)++; \
|
||||
}
|
||||
#define PUTCHAR(c, cp) { \
|
||||
*(cp)++ = (u_char) (c); \
|
||||
}
|
||||
|
||||
|
||||
#define GETSHORT(s, cp) { \
|
||||
(s) = *(cp)++ << 8; \
|
||||
(s) |= *(cp)++; \
|
||||
}
|
||||
#define PUTSHORT(s, cp) { \
|
||||
*(cp)++ = (u_char) ((s) >> 8); \
|
||||
*(cp)++ = (u_char) (s); \
|
||||
}
|
||||
|
||||
#define GETLONG(l, cp) { \
|
||||
(l) = *(cp)++ << 8; \
|
||||
(l) |= *(cp)++; (l) <<= 8; \
|
||||
(l) |= *(cp)++; (l) <<= 8; \
|
||||
(l) |= *(cp)++; \
|
||||
}
|
||||
#define PUTLONG(l, cp) { \
|
||||
*(cp)++ = (u_char) ((l) >> 24); \
|
||||
*(cp)++ = (u_char) ((l) >> 16); \
|
||||
*(cp)++ = (u_char) ((l) >> 8); \
|
||||
*(cp)++ = (u_char) (l); \
|
||||
}
|
||||
|
||||
#define INCPTR(n, cp) ((cp) += (n))
|
||||
#define DECPTR(n, cp) ((cp) -= (n))
|
||||
|
||||
/*
|
||||
* System dependent definitions for user-level 4.3BSD UNIX implementation.
|
||||
*/
|
||||
|
||||
#define TIMEOUT(r, f, t) timeout((r), (f), (t))
|
||||
#define UNTIMEOUT(r, f) untimeout((r), (f))
|
||||
|
||||
#define BCOPY(s, d, l) memcpy(d, s, l)
|
||||
#define BZERO(s, n) memset(s, 0, n)
|
||||
|
||||
#define PRINTMSG(m, l) { info("Remote message: %0.*v", l, m); }
|
||||
|
||||
/*
|
||||
* MAKEHEADER - Add Header fields to a packet.
|
||||
*/
|
||||
#define MAKEHEADER(p, t) { \
|
||||
PUTCHAR(PPP_ALLSTATIONS, p); \
|
||||
PUTCHAR(PPP_UI, p); \
|
||||
PUTSHORT(t, p); }
|
||||
|
||||
/*
|
||||
* Exit status values.
|
||||
*/
|
||||
#define EXIT_OK 0
|
||||
#define EXIT_FATAL_ERROR 1
|
||||
#define EXIT_OPTION_ERROR 2
|
||||
#define EXIT_NOT_ROOT 3
|
||||
#define EXIT_NO_KERNEL_SUPPORT 4
|
||||
#define EXIT_USER_REQUEST 5
|
||||
#define EXIT_LOCK_FAILED 6
|
||||
#define EXIT_OPEN_FAILED 7
|
||||
#define EXIT_CONNECT_FAILED 8
|
||||
#define EXIT_PTYCMD_FAILED 9
|
||||
#define EXIT_NEGOTIATION_FAILED 10
|
||||
#define EXIT_PEER_AUTH_FAILED 11
|
||||
#define EXIT_IDLE_TIMEOUT 12
|
||||
#define EXIT_CONNECT_TIME 13
|
||||
#define EXIT_CALLBACK 14
|
||||
#define EXIT_PEER_DEAD 15
|
||||
#define EXIT_HANGUP 16
|
||||
#define EXIT_LOOPBACK 17
|
||||
#define EXIT_INIT_FAILED 18
|
||||
#define EXIT_AUTH_TOPEER_FAILED 19
|
||||
|
||||
/*
|
||||
* Debug macros. Slightly useful for finding bugs in pppd, not particularly
|
||||
* useful for finding out why your connection isn't being established.
|
||||
*/
|
||||
#ifdef DEBUGALL
|
||||
#define DEBUGMAIN 1
|
||||
#define DEBUGFSM 1
|
||||
#define DEBUGLCP 1
|
||||
#define DEBUGIPCP 1
|
||||
#define DEBUGIPV6CP 1
|
||||
#define DEBUGUPAP 1
|
||||
#define DEBUGCHAP 1
|
||||
#endif
|
||||
|
||||
#ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */
|
||||
#if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUGSYS) \
|
||||
|| defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \
|
||||
|| defined(DEBUGCHAP) || defined(DEBUG) || defined(DEBUGIPV6CP)
|
||||
#define LOG_PPP LOG_LOCAL2
|
||||
#else
|
||||
#define LOG_PPP LOG_DAEMON
|
||||
#endif
|
||||
#endif /* LOG_PPP */
|
||||
|
||||
#ifdef DEBUGMAIN
|
||||
#define MAINDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define MAINDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGSYS
|
||||
#define SYSDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define SYSDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGFSM
|
||||
#define FSMDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define FSMDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGLCP
|
||||
#define LCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define LCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPCP
|
||||
#define IPCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPV6CP
|
||||
#define IPV6CPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPV6CPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGUPAP
|
||||
#define UPAPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define UPAPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGCHAP
|
||||
#define CHAPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define CHAPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPXCP
|
||||
#define IPXCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPXCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifndef SIGTYPE
|
||||
#if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE)
|
||||
#define SIGTYPE void
|
||||
#else
|
||||
#define SIGTYPE int
|
||||
#endif /* defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) */
|
||||
#endif /* SIGTYPE */
|
||||
|
||||
#ifndef MIN
|
||||
#define MIN(a, b) ((a) < (b)? (a): (b))
|
||||
#endif
|
||||
#ifndef MAX
|
||||
#define MAX(a, b) ((a) > (b)? (a): (b))
|
||||
#endif
|
||||
|
||||
#endif /* __PPP_H__ */
|
|
@ -1,14 +0,0 @@
|
|||
# Makefile for the capiplugin for pppd(8).
|
||||
#
|
||||
# Copyright 2000 Carsten Paeth (calle@calle.in-berlin.de)
|
||||
# Copyright 2000 AVM GmbH Berlin (info@avm.de)
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License
|
||||
# as published by the Free Software Foundation; either version
|
||||
# 2 of the License, or (at your option) any later version.
|
||||
|
||||
PLUGINDIR=${DESTDIR}/usr/lib/pppd/$(PPPVERSION)
|
||||
|
||||
include $(TOPDIR)/Rules.make
|
||||
|
|
@ -1,6 +0,0 @@
|
|||
/* $Id: patchlevel.h,v 1.2 2001/05/03 09:00:51 calle Exp $ */
|
||||
#define PATCHLEVEL 0
|
||||
|
||||
#define VERSION "2.4"
|
||||
#define IMPLEMENTATION ""
|
||||
#define DATE "1 August 2000"
|
|
@ -1,738 +0,0 @@
|
|||
/*
|
||||
* pppd.h - PPP daemon global declarations.
|
||||
*
|
||||
* Copyright (c) 1989 Carnegie Mellon University.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms are permitted
|
||||
* provided that the above copyright notice and this paragraph are
|
||||
* duplicated in all such forms and that any documentation,
|
||||
* advertising materials, and other materials related to such
|
||||
* distribution and use acknowledge that the software was developed
|
||||
* by Carnegie Mellon University. The name of the
|
||||
* University may not be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
||||
*
|
||||
* $Id: pppd.h,v 1.2 2001/05/03 09:00:51 calle Exp $
|
||||
*/
|
||||
|
||||
/*
|
||||
* TODO:
|
||||
*/
|
||||
|
||||
#ifndef __PPPD_H__
|
||||
#define __PPPD_H__
|
||||
|
||||
#include <stdio.h> /* for FILE */
|
||||
#include <limits.h> /* for NGROUPS_MAX */
|
||||
#include <sys/param.h> /* for MAXPATHLEN and BSD4_4, if defined */
|
||||
#include <sys/types.h> /* for u_int32_t, if defined */
|
||||
#include <sys/time.h> /* for struct timeval */
|
||||
#include <net/ppp_defs.h>
|
||||
|
||||
#if defined(__STDC__)
|
||||
#include <stdarg.h>
|
||||
#define __V(x) x
|
||||
#else
|
||||
#include <varargs.h>
|
||||
#define __V(x) (va_alist) va_dcl
|
||||
#define const
|
||||
#define volatile
|
||||
#endif
|
||||
|
||||
#ifdef INET6
|
||||
#include "eui64.h"
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Limits.
|
||||
*/
|
||||
|
||||
#define NUM_PPP 1 /* One PPP interface supported (per process) */
|
||||
#define MAXWORDLEN 1024 /* max length of word in file (incl null) */
|
||||
#define MAXARGS 1 /* max # args to a command */
|
||||
#define MAXNAMELEN 256 /* max length of hostname or name for auth */
|
||||
#define MAXSECRETLEN 256 /* max length of password or secret */
|
||||
|
||||
/*
|
||||
* Option descriptor structure.
|
||||
*/
|
||||
|
||||
typedef unsigned char bool;
|
||||
|
||||
enum opt_type {
|
||||
o_special_noarg = 0,
|
||||
o_special = 1,
|
||||
o_bool,
|
||||
o_int,
|
||||
o_uint32,
|
||||
o_string,
|
||||
};
|
||||
|
||||
typedef struct {
|
||||
char *name; /* name of the option */
|
||||
enum opt_type type;
|
||||
void *addr;
|
||||
char *description;
|
||||
int flags;
|
||||
void *addr2;
|
||||
int upper_limit;
|
||||
int lower_limit;
|
||||
} option_t;
|
||||
|
||||
/* Values for flags */
|
||||
#define OPT_VALUE 0xff /* mask for presupplied value */
|
||||
#define OPT_HEX 0x100 /* int option is in hex */
|
||||
#define OPT_NOARG 0x200 /* option doesn't take argument */
|
||||
#define OPT_OR 0x400 /* OR in argument to value */
|
||||
#define OPT_INC 0x800 /* increment value */
|
||||
#define OPT_PRIV 0x1000 /* privileged option */
|
||||
#define OPT_STATIC 0x2000 /* string option goes into static array */
|
||||
#define OPT_LLIMIT 0x4000 /* check value against lower limit */
|
||||
#define OPT_ULIMIT 0x8000 /* check value against upper limit */
|
||||
#define OPT_LIMITS (OPT_LLIMIT|OPT_ULIMIT)
|
||||
#define OPT_ZEROOK 0x10000 /* 0 value is OK even if not within limits */
|
||||
#define OPT_NOINCR 0x20000 /* value mustn't be increased */
|
||||
#define OPT_ZEROINF 0x40000 /* with OPT_NOINCR, 0 == infinity */
|
||||
#define OPT_A2INFO 0x100000 /* addr2 -> option_info to update */
|
||||
#define OPT_A2COPY 0x200000 /* addr2 -> second location to rcv value */
|
||||
#define OPT_ENABLE 0x400000 /* use *addr2 as enable for option */
|
||||
#define OPT_PRIVFIX 0x800000 /* can't be overridden if noauth */
|
||||
#define OPT_PREPASS 0x1000000 /* do this opt in pre-pass to find device */
|
||||
#define OPT_INITONLY 0x2000000 /* option can only be set in init phase */
|
||||
#define OPT_DEVEQUIV 0x4000000 /* equiv to device name */
|
||||
#define OPT_DEVNAM (OPT_PREPASS | OPT_INITONLY | OPT_DEVEQUIV)
|
||||
#define OPT_SEENIT 0x10000000 /* have seen this option already */
|
||||
|
||||
#define OPT_VAL(x) ((x) & OPT_VALUE)
|
||||
|
||||
#ifndef GIDSET_TYPE
|
||||
#define GIDSET_TYPE gid_t
|
||||
#endif
|
||||
|
||||
/* Structure representing a list of permitted IP addresses. */
|
||||
struct permitted_ip {
|
||||
int permit; /* 1 = permit, 0 = forbid */
|
||||
u_int32_t base; /* match if (addr & mask) == base */
|
||||
u_int32_t mask; /* base and mask are in network byte order */
|
||||
};
|
||||
|
||||
/*
|
||||
* Unfortunately, the linux kernel driver uses a different structure
|
||||
* for statistics from the rest of the ports.
|
||||
* This structure serves as a common representation for the bits
|
||||
* pppd needs.
|
||||
*/
|
||||
struct pppd_stats {
|
||||
unsigned int bytes_in;
|
||||
unsigned int bytes_out;
|
||||
};
|
||||
|
||||
/* Used for storing a sequence of words. Usually malloced. */
|
||||
struct wordlist {
|
||||
struct wordlist *next;
|
||||
char *word;
|
||||
};
|
||||
|
||||
/* An endpoint discriminator, used with multilink. */
|
||||
#define MAX_ENDP_LEN 20 /* maximum length of discriminator value */
|
||||
struct epdisc {
|
||||
unsigned char class;
|
||||
unsigned char length;
|
||||
unsigned char value[MAX_ENDP_LEN];
|
||||
};
|
||||
|
||||
/* values for epdisc.class */
|
||||
#define EPD_NULL 0 /* null discriminator, no data */
|
||||
#define EPD_LOCAL 1
|
||||
#define EPD_IP 2
|
||||
#define EPD_MAC 3
|
||||
#define EPD_MAGIC 4
|
||||
#define EPD_PHONENUM 5
|
||||
|
||||
typedef void (*notify_func) __P((void *, int));
|
||||
|
||||
struct notifier {
|
||||
struct notifier *next;
|
||||
notify_func func;
|
||||
void *arg;
|
||||
};
|
||||
|
||||
/*
|
||||
* Global variables.
|
||||
*/
|
||||
|
||||
extern int hungup; /* Physical layer has disconnected */
|
||||
extern int ifunit; /* Interface unit number */
|
||||
extern char ifname[]; /* Interface name */
|
||||
extern char hostname[]; /* Our hostname */
|
||||
extern u_char outpacket_buf[]; /* Buffer for outgoing packets */
|
||||
extern int phase; /* Current state of link - see values below */
|
||||
extern int baud_rate; /* Current link speed in bits/sec */
|
||||
extern char *progname; /* Name of this program */
|
||||
extern int redirect_stderr;/* Connector's stderr should go to file */
|
||||
extern char peer_authname[];/* Authenticated name of peer */
|
||||
extern int privileged; /* We were run by real-uid root */
|
||||
extern int need_holdoff; /* Need holdoff period after link terminates */
|
||||
extern char **script_env; /* Environment variables for scripts */
|
||||
extern int detached; /* Have detached from controlling tty */
|
||||
extern GIDSET_TYPE groups[NGROUPS_MAX]; /* groups the user is in */
|
||||
extern int ngroups; /* How many groups valid in groups */
|
||||
extern struct pppd_stats link_stats; /* byte/packet counts etc. for link */
|
||||
extern int link_stats_valid; /* set if link_stats is valid */
|
||||
extern int link_connect_time; /* time the link was up for */
|
||||
extern int using_pty; /* using pty as device (notty or pty opt.) */
|
||||
extern int log_to_fd; /* logging to this fd as well as syslog */
|
||||
extern bool log_to_file; /* log_to_fd is a file */
|
||||
extern bool log_to_specific_fd; /* log_to_fd was specified by user */
|
||||
extern char *no_ppp_msg; /* message to print if ppp not in kernel */
|
||||
extern volatile int status; /* exit status for pppd */
|
||||
extern int devnam_fixed; /* can no longer change devnam */
|
||||
extern int unsuccess; /* # unsuccessful connection attempts */
|
||||
extern int do_callback; /* set if we want to do callback next */
|
||||
extern int doing_callback; /* set if this is a callback */
|
||||
extern char ppp_devnam[MAXPATHLEN];
|
||||
extern struct notifier *pidchange; /* for notifications of pid changing */
|
||||
extern struct notifier *phasechange; /* for notifications of phase changes */
|
||||
extern struct notifier *exitnotify; /* for notification that we're exiting */
|
||||
extern struct notifier *sigreceived; /* notification of received signal */
|
||||
extern int listen_time; /* time to listen first (ms) */
|
||||
|
||||
/* Values for do_callback and doing_callback */
|
||||
#define CALLBACK_DIALIN 1 /* we are expecting the call back */
|
||||
#define CALLBACK_DIALOUT 2 /* we are dialling out to call back */
|
||||
|
||||
/*
|
||||
* Variables set by command-line options.
|
||||
*/
|
||||
|
||||
extern int debug; /* Debug flag */
|
||||
extern int kdebugflag; /* Tell kernel to print debug messages */
|
||||
extern int default_device; /* Using /dev/tty or equivalent */
|
||||
extern char devnam[MAXPATHLEN]; /* Device name */
|
||||
extern int crtscts; /* Use hardware flow control */
|
||||
extern bool modem; /* Use modem control lines */
|
||||
extern int inspeed; /* Input/Output speed requested */
|
||||
extern u_int32_t netmask; /* IP netmask to set on interface */
|
||||
extern bool lockflag; /* Create lock file to lock the serial dev */
|
||||
extern bool nodetach; /* Don't detach from controlling tty */
|
||||
extern bool updetach; /* Detach from controlling tty when link up */
|
||||
extern char *initializer; /* Script to initialize physical link */
|
||||
extern char *connect_script; /* Script to establish physical link */
|
||||
extern char *disconnect_script; /* Script to disestablish physical link */
|
||||
extern char *welcomer; /* Script to welcome client after connection */
|
||||
extern char *ptycommand; /* Command to run on other side of pty */
|
||||
extern int maxconnect; /* Maximum connect time (seconds) */
|
||||
extern char user[MAXNAMELEN];/* Our name for authenticating ourselves */
|
||||
extern char passwd[MAXSECRETLEN]; /* Password for PAP or CHAP */
|
||||
extern bool auth_required; /* Peer is required to authenticate */
|
||||
extern bool persist; /* Reopen link after it goes down */
|
||||
extern bool uselogin; /* Use /etc/passwd for checking PAP */
|
||||
extern char our_name[MAXNAMELEN];/* Our name for authentication purposes */
|
||||
extern char remote_name[MAXNAMELEN]; /* Peer's name for authentication */
|
||||
extern bool explicit_remote;/* remote_name specified with remotename opt */
|
||||
extern bool demand; /* Do dial-on-demand */
|
||||
extern char *ipparam; /* Extra parameter for ip up/down scripts */
|
||||
extern bool cryptpap; /* Others' PAP passwords are encrypted */
|
||||
extern int idle_time_limit;/* Shut down link if idle for this long */
|
||||
extern int holdoff; /* Dead time before restarting */
|
||||
extern bool holdoff_specified; /* true if user gave a holdoff value */
|
||||
extern bool notty; /* Stdin/out is not a tty */
|
||||
extern char *pty_socket; /* Socket to connect to pty */
|
||||
extern char *record_file; /* File to record chars sent/received */
|
||||
extern bool sync_serial; /* Device is synchronous serial device */
|
||||
extern int maxfail; /* Max # of unsuccessful connection attempts */
|
||||
extern char linkname[MAXPATHLEN]; /* logical name for link */
|
||||
extern bool tune_kernel; /* May alter kernel settings as necessary */
|
||||
extern int connect_delay; /* Time to delay after connect script */
|
||||
extern int max_data_rate; /* max bytes/sec through charshunt */
|
||||
extern int req_unit; /* interface unit number to use */
|
||||
extern bool multilink; /* enable multilink operation */
|
||||
extern bool noendpoint; /* don't send or accept endpt. discrim. */
|
||||
extern char *bundle_name; /* bundle name for multilink */
|
||||
|
||||
#ifdef PPP_FILTER
|
||||
extern struct bpf_program pass_filter; /* Filter for pkts to pass */
|
||||
extern struct bpf_program active_filter; /* Filter for link-active pkts */
|
||||
#endif
|
||||
|
||||
#ifdef MSLANMAN
|
||||
extern bool ms_lanman; /* Use LanMan password instead of NT */
|
||||
/* Has meaning only with MS-CHAP challenges */
|
||||
#endif
|
||||
|
||||
extern char *current_option; /* the name of the option being parsed */
|
||||
extern int privileged_option; /* set iff the current option came from root */
|
||||
extern char *option_source; /* string saying where the option came from */
|
||||
|
||||
/*
|
||||
* Values for phase.
|
||||
*/
|
||||
#define PHASE_DEAD 0
|
||||
#define PHASE_INITIALIZE 1
|
||||
#define PHASE_SERIALCONN 2
|
||||
#define PHASE_DORMANT 3
|
||||
#define PHASE_ESTABLISH 4
|
||||
#define PHASE_AUTHENTICATE 5
|
||||
#define PHASE_CALLBACK 6
|
||||
#define PHASE_NETWORK 7
|
||||
#define PHASE_RUNNING 8
|
||||
#define PHASE_TERMINATE 9
|
||||
#define PHASE_DISCONNECT 10
|
||||
#define PHASE_HOLDOFF 11
|
||||
|
||||
/*
|
||||
* The following struct gives the addresses of procedures to call
|
||||
* for a particular protocol.
|
||||
*/
|
||||
struct protent {
|
||||
u_short protocol; /* PPP protocol number */
|
||||
/* Initialization procedure */
|
||||
void (*init) __P((int unit));
|
||||
/* Process a received packet */
|
||||
void (*input) __P((int unit, u_char *pkt, int len));
|
||||
/* Process a received protocol-reject */
|
||||
void (*protrej) __P((int unit));
|
||||
/* Lower layer has come up */
|
||||
void (*lowerup) __P((int unit));
|
||||
/* Lower layer has gone down */
|
||||
void (*lowerdown) __P((int unit));
|
||||
/* Open the protocol */
|
||||
void (*open) __P((int unit));
|
||||
/* Close the protocol */
|
||||
void (*close) __P((int unit, char *reason));
|
||||
/* Print a packet in readable form */
|
||||
int (*printpkt) __P((u_char *pkt, int len,
|
||||
void (*printer) __P((void *, char *, ...)),
|
||||
void *arg));
|
||||
/* Process a received data packet */
|
||||
void (*datainput) __P((int unit, u_char *pkt, int len));
|
||||
bool enabled_flag; /* 0 iff protocol is disabled */
|
||||
char *name; /* Text name of protocol */
|
||||
char *data_name; /* Text name of corresponding data protocol */
|
||||
option_t *options; /* List of command-line options */
|
||||
/* Check requested options, assign defaults */
|
||||
void (*check_options) __P((void));
|
||||
/* Configure interface for demand-dial */
|
||||
int (*demand_conf) __P((int unit));
|
||||
/* Say whether to bring up link for this pkt */
|
||||
int (*active_pkt) __P((u_char *pkt, int len));
|
||||
};
|
||||
|
||||
/* Table of pointers to supported protocols */
|
||||
extern struct protent *protocols[];
|
||||
|
||||
/*
|
||||
* Prototypes.
|
||||
*/
|
||||
|
||||
/* Procedures exported from main.c. */
|
||||
void set_ifunit __P((int)); /* set stuff that depends on ifunit */
|
||||
void detach __P((void)); /* Detach from controlling tty */
|
||||
void die __P((int)); /* Cleanup and exit */
|
||||
void quit __P((void)); /* like die(1) */
|
||||
void novm __P((char *)); /* Say we ran out of memory, and die */
|
||||
void timeout __P((void (*func)(void *), void *arg, int t));
|
||||
/* Call func(arg) after t seconds */
|
||||
void untimeout __P((void (*func)(void *), void *arg));
|
||||
/* Cancel call to func(arg) */
|
||||
void record_child __P((int, char *, void (*) (void *), void *));
|
||||
int device_script __P((char *cmd, int in, int out, int dont_wait));
|
||||
/* Run `cmd' with given stdin and stdout */
|
||||
pid_t run_program __P((char *prog, char **args, int must_exist,
|
||||
void (*done)(void *), void *arg));
|
||||
/* Run program prog with args in child */
|
||||
void reopen_log __P((void)); /* (re)open the connection to syslog */
|
||||
void update_link_stats __P((int)); /* Get stats at link termination */
|
||||
void script_setenv __P((char *, char *, int)); /* set script env var */
|
||||
void script_unsetenv __P((char *)); /* unset script env var */
|
||||
void new_phase __P((int)); /* signal start of new phase */
|
||||
void add_notifier __P((struct notifier **, notify_func, void *));
|
||||
void remove_notifier __P((struct notifier **, notify_func, void *));
|
||||
void notify __P((struct notifier *, int));
|
||||
|
||||
/* Procedures exported from tty.c. */
|
||||
void tty_init __P((void));
|
||||
void tty_device_check __P((void));
|
||||
void tty_check_options __P((void));
|
||||
int connect_tty __P((void));
|
||||
void disconnect_tty __P((void));
|
||||
void tty_close_fds __P((void));
|
||||
void cleanup_tty __P((void));
|
||||
|
||||
/* Procedures exported from utils.c. */
|
||||
void log_packet __P((u_char *, int, char *, int));
|
||||
/* Format a packet and log it with syslog */
|
||||
void print_string __P((char *, int, void (*) (void *, char *, ...),
|
||||
void *)); /* Format a string for output */
|
||||
int slprintf __P((char *, int, char *, ...)); /* sprintf++ */
|
||||
int vslprintf __P((char *, int, char *, va_list)); /* vsprintf++ */
|
||||
size_t strlcpy __P((char *, const char *, size_t)); /* safe strcpy */
|
||||
size_t strlcat __P((char *, const char *, size_t)); /* safe strncpy */
|
||||
void dbglog __P((char *, ...)); /* log a debug message */
|
||||
void info __P((char *, ...)); /* log an informational message */
|
||||
void notice __P((char *, ...)); /* log a notice-level message */
|
||||
void warn __P((char *, ...)); /* log a warning message */
|
||||
void error __P((char *, ...)); /* log an error message */
|
||||
void fatal __P((char *, ...)); /* log an error message and die(1) */
|
||||
|
||||
/* Procedures exported from auth.c */
|
||||
void link_required __P((int)); /* we are starting to use the link */
|
||||
void link_terminated __P((int)); /* we are finished with the link */
|
||||
void link_down __P((int)); /* the LCP layer has left the Opened state */
|
||||
void link_established __P((int)); /* the link is up; authenticate now */
|
||||
void start_networks __P((void)); /* start all the network control protos */
|
||||
void np_up __P((int, int)); /* a network protocol has come up */
|
||||
void np_down __P((int, int)); /* a network protocol has gone down */
|
||||
void np_finished __P((int, int)); /* a network protocol no longer needs link */
|
||||
void auth_peer_fail __P((int, int));
|
||||
/* peer failed to authenticate itself */
|
||||
void auth_peer_success __P((int, int, char *, int));
|
||||
/* peer successfully authenticated itself */
|
||||
void auth_withpeer_fail __P((int, int));
|
||||
/* we failed to authenticate ourselves */
|
||||
void auth_withpeer_success __P((int, int));
|
||||
/* we successfully authenticated ourselves */
|
||||
void auth_check_options __P((void));
|
||||
/* check authentication options supplied */
|
||||
void auth_reset __P((int)); /* check what secrets we have */
|
||||
int check_passwd __P((int, char *, int, char *, int, char **));
|
||||
/* Check peer-supplied username/password */
|
||||
int get_secret __P((int, char *, char *, char *, int *, int));
|
||||
/* get "secret" for chap */
|
||||
int auth_ip_addr __P((int, u_int32_t));
|
||||
/* check if IP address is authorized */
|
||||
int bad_ip_adrs __P((u_int32_t));
|
||||
/* check if IP address is unreasonable */
|
||||
|
||||
/* Procedures exported from demand.c */
|
||||
void demand_conf __P((void)); /* config interface(s) for demand-dial */
|
||||
void demand_block __P((void)); /* set all NPs to queue up packets */
|
||||
void demand_unblock __P((void)); /* set all NPs to pass packets */
|
||||
void demand_discard __P((void)); /* set all NPs to discard packets */
|
||||
void demand_rexmit __P((int)); /* retransmit saved frames for an NP */
|
||||
int loop_chars __P((unsigned char *, int)); /* process chars from loopback */
|
||||
int loop_frame __P((unsigned char *, int)); /* should we bring link up? */
|
||||
|
||||
/* Procedures exported from multilink.c */
|
||||
void mp_check_options __P((void)); /* Check multilink-related options */
|
||||
int mp_join_bundle __P((void)); /* join our link to an appropriate bundle */
|
||||
char *epdisc_to_str __P((struct epdisc *)); /* string from endpoint discrim. */
|
||||
int str_to_epdisc __P((struct epdisc *, char *)); /* endpt disc. from str */
|
||||
|
||||
/* Procedures exported from sys-*.c */
|
||||
void sys_init __P((void)); /* Do system-dependent initialization */
|
||||
void sys_cleanup __P((void)); /* Restore system state before exiting */
|
||||
int sys_check_options __P((void)); /* Check options specified */
|
||||
void sys_close __P((void)); /* Clean up in a child before execing */
|
||||
int ppp_available __P((void)); /* Test whether ppp kernel support exists */
|
||||
int get_pty __P((int *, int *, char *, int)); /* Get pty master/slave */
|
||||
int open_ppp_loopback __P((void)); /* Open loopback for demand-dialling */
|
||||
int establish_ppp __P((int)); /* Turn serial port into a ppp interface */
|
||||
void restore_loop __P((void)); /* Transfer ppp unit back to loopback */
|
||||
void disestablish_ppp __P((int)); /* Restore port to normal operation */
|
||||
void make_new_bundle __P((int, int, int, int)); /* Create new bundle */
|
||||
int bundle_attach __P((int)); /* Attach link to existing bundle */
|
||||
void cfg_bundle __P((int, int, int, int)); /* Configure existing bundle */
|
||||
void clean_check __P((void)); /* Check if line was 8-bit clean */
|
||||
void set_up_tty __P((int, int)); /* Set up port's speed, parameters, etc. */
|
||||
void restore_tty __P((int)); /* Restore port's original parameters */
|
||||
void setdtr __P((int, int)); /* Raise or lower port's DTR line */
|
||||
void output __P((int, u_char *, int)); /* Output a PPP packet */
|
||||
void wait_input __P((struct timeval *));
|
||||
/* Wait for input, with timeout */
|
||||
void add_fd __P((int)); /* Add fd to set to wait for */
|
||||
void remove_fd __P((int)); /* Remove fd from set to wait for */
|
||||
int read_packet __P((u_char *)); /* Read PPP packet */
|
||||
int get_loop_output __P((void)); /* Read pkts from loopback */
|
||||
void ppp_send_config __P((int, int, u_int32_t, int, int));
|
||||
/* Configure i/f transmit parameters */
|
||||
void ppp_set_xaccm __P((int, ext_accm));
|
||||
/* Set extended transmit ACCM */
|
||||
void ppp_recv_config __P((int, int, u_int32_t, int, int));
|
||||
/* Configure i/f receive parameters */
|
||||
int ccp_test __P((int, u_char *, int, int));
|
||||
/* Test support for compression scheme */
|
||||
void ccp_flags_set __P((int, int, int));
|
||||
/* Set kernel CCP state */
|
||||
int ccp_fatal_error __P((int)); /* Test for fatal decomp error in kernel */
|
||||
int get_idle_time __P((int, struct ppp_idle *));
|
||||
/* Find out how long link has been idle */
|
||||
int get_ppp_stats __P((int, struct pppd_stats *));
|
||||
/* Return link statistics */
|
||||
int sifvjcomp __P((int, int, int, int));
|
||||
/* Configure VJ TCP header compression */
|
||||
int sifup __P((int)); /* Configure i/f up for one protocol */
|
||||
int sifnpmode __P((int u, int proto, enum NPmode mode));
|
||||
/* Set mode for handling packets for proto */
|
||||
int sifdown __P((int)); /* Configure i/f down for one protocol */
|
||||
int sifaddr __P((int, u_int32_t, u_int32_t, u_int32_t));
|
||||
/* Configure IPv4 addresses for i/f */
|
||||
int cifaddr __P((int, u_int32_t, u_int32_t));
|
||||
/* Reset i/f IP addresses */
|
||||
#ifdef INET6
|
||||
int sif6addr __P((int, eui64_t, eui64_t));
|
||||
/* Configure IPv6 addresses for i/f */
|
||||
int cif6addr __P((int, eui64_t, eui64_t));
|
||||
/* Remove an IPv6 address from i/f */
|
||||
#endif
|
||||
int sifdefaultroute __P((int, u_int32_t, u_int32_t));
|
||||
/* Create default route through i/f */
|
||||
int cifdefaultroute __P((int, u_int32_t, u_int32_t));
|
||||
/* Delete default route through i/f */
|
||||
int sifproxyarp __P((int, u_int32_t));
|
||||
/* Add proxy ARP entry for peer */
|
||||
int cifproxyarp __P((int, u_int32_t));
|
||||
/* Delete proxy ARP entry for peer */
|
||||
u_int32_t GetMask __P((u_int32_t)); /* Get appropriate netmask for address */
|
||||
int lock __P((char *)); /* Create lock file for device */
|
||||
int relock __P((int)); /* Rewrite lock file with new pid */
|
||||
void unlock __P((void)); /* Delete previously-created lock file */
|
||||
void logwtmp __P((const char *, const char *, const char *));
|
||||
/* Write entry to wtmp file */
|
||||
int get_host_seed __P((void)); /* Get host-dependent random number seed */
|
||||
int have_route_to __P((u_int32_t)); /* Check if route to addr exists */
|
||||
#ifdef PPP_FILTER
|
||||
int set_filters __P((struct bpf_program *pass, struct bpf_program *active));
|
||||
/* Set filter programs in kernel */
|
||||
#endif
|
||||
#ifdef IPX_CHANGE
|
||||
int sipxfaddr __P((int, unsigned long, unsigned char *));
|
||||
int cipxfaddr __P((int));
|
||||
#endif
|
||||
int get_if_hwaddr __P((u_char *addr, char *name));
|
||||
char *get_first_ethernet __P((void));
|
||||
|
||||
/* Procedures exported from options.c */
|
||||
int parse_args __P((int argc, char **argv));
|
||||
/* Parse options from arguments given */
|
||||
int options_from_file __P((char *filename, int must_exist, int check_prot,
|
||||
int privileged));
|
||||
/* Parse options from an options file */
|
||||
int options_from_user __P((void)); /* Parse options from user's .ppprc */
|
||||
int options_for_tty __P((void)); /* Parse options from /etc/ppp/options.tty */
|
||||
int options_from_list __P((struct wordlist *, int privileged));
|
||||
/* Parse options from a wordlist */
|
||||
int getword __P((FILE *f, char *word, int *newlinep, char *filename));
|
||||
/* Read a word from a file */
|
||||
void option_error __P((char *fmt, ...));
|
||||
/* Print an error message about an option */
|
||||
int int_option __P((char *, int *));
|
||||
/* Simplified number_option for decimal ints */
|
||||
void add_options __P((option_t *)); /* Add extra options */
|
||||
int parse_dotted_ip __P((char *, u_int32_t *));
|
||||
|
||||
/*
|
||||
* This structure is used to store information about certain
|
||||
* options, such as where the option value came from (/etc/ppp/options,
|
||||
* command line, etc.) and whether it came from a privileged source.
|
||||
*/
|
||||
|
||||
struct option_info {
|
||||
int priv; /* was value set by sysadmin? */
|
||||
char *source; /* where option came from */
|
||||
};
|
||||
|
||||
extern struct option_info devnam_info;
|
||||
extern struct option_info initializer_info;
|
||||
extern struct option_info connect_script_info;
|
||||
extern struct option_info disconnect_script_info;
|
||||
extern struct option_info welcomer_info;
|
||||
extern struct option_info ptycommand_info;
|
||||
|
||||
/*
|
||||
* Hooks to enable plugins to change various things.
|
||||
*/
|
||||
extern int (*new_phase_hook) __P((int));
|
||||
extern int (*idle_time_hook) __P((struct ppp_idle *));
|
||||
extern int (*holdoff_hook) __P((void));
|
||||
extern int (*pap_check_hook) __P((void));
|
||||
extern int (*pap_auth_hook) __P((char *user, char *passwd, char **msgp,
|
||||
struct wordlist **paddrs,
|
||||
struct wordlist **popts));
|
||||
extern void (*pap_logout_hook) __P((void));
|
||||
extern int (*pap_passwd_hook) __P((char *user, char *passwd));
|
||||
extern void (*ip_up_hook) __P((void));
|
||||
extern void (*ip_down_hook) __P((void));
|
||||
extern void (*ip_choose_hook) __P((u_int32_t *));
|
||||
|
||||
/*
|
||||
* Inline versions of get/put char/short/long.
|
||||
* Pointer is advanced; we assume that both arguments
|
||||
* are lvalues and will already be in registers.
|
||||
* cp MUST be u_char *.
|
||||
*/
|
||||
#define GETCHAR(c, cp) { \
|
||||
(c) = *(cp)++; \
|
||||
}
|
||||
#define PUTCHAR(c, cp) { \
|
||||
*(cp)++ = (u_char) (c); \
|
||||
}
|
||||
|
||||
|
||||
#define GETSHORT(s, cp) { \
|
||||
(s) = *(cp)++ << 8; \
|
||||
(s) |= *(cp)++; \
|
||||
}
|
||||
#define PUTSHORT(s, cp) { \
|
||||
*(cp)++ = (u_char) ((s) >> 8); \
|
||||
*(cp)++ = (u_char) (s); \
|
||||
}
|
||||
|
||||
#define GETLONG(l, cp) { \
|
||||
(l) = *(cp)++ << 8; \
|
||||
(l) |= *(cp)++; (l) <<= 8; \
|
||||
(l) |= *(cp)++; (l) <<= 8; \
|
||||
(l) |= *(cp)++; \
|
||||
}
|
||||
#define PUTLONG(l, cp) { \
|
||||
*(cp)++ = (u_char) ((l) >> 24); \
|
||||
*(cp)++ = (u_char) ((l) >> 16); \
|
||||
*(cp)++ = (u_char) ((l) >> 8); \
|
||||
*(cp)++ = (u_char) (l); \
|
||||
}
|
||||
|
||||
#define INCPTR(n, cp) ((cp) += (n))
|
||||
#define DECPTR(n, cp) ((cp) -= (n))
|
||||
|
||||
/*
|
||||
* System dependent definitions for user-level 4.3BSD UNIX implementation.
|
||||
*/
|
||||
|
||||
#define TIMEOUT(r, f, t) timeout((r), (f), (t))
|
||||
#define UNTIMEOUT(r, f) untimeout((r), (f))
|
||||
|
||||
#define BCOPY(s, d, l) memcpy(d, s, l)
|
||||
#define BZERO(s, n) memset(s, 0, n)
|
||||
|
||||
#define PRINTMSG(m, l) { info("Remote message: %0.*v", l, m); }
|
||||
|
||||
/*
|
||||
* MAKEHEADER - Add Header fields to a packet.
|
||||
*/
|
||||
#define MAKEHEADER(p, t) { \
|
||||
PUTCHAR(PPP_ALLSTATIONS, p); \
|
||||
PUTCHAR(PPP_UI, p); \
|
||||
PUTSHORT(t, p); }
|
||||
|
||||
/*
|
||||
* Exit status values.
|
||||
*/
|
||||
#define EXIT_OK 0
|
||||
#define EXIT_FATAL_ERROR 1
|
||||
#define EXIT_OPTION_ERROR 2
|
||||
#define EXIT_NOT_ROOT 3
|
||||
#define EXIT_NO_KERNEL_SUPPORT 4
|
||||
#define EXIT_USER_REQUEST 5
|
||||
#define EXIT_LOCK_FAILED 6
|
||||
#define EXIT_OPEN_FAILED 7
|
||||
#define EXIT_CONNECT_FAILED 8
|
||||
#define EXIT_PTYCMD_FAILED 9
|
||||
#define EXIT_NEGOTIATION_FAILED 10
|
||||
#define EXIT_PEER_AUTH_FAILED 11
|
||||
#define EXIT_IDLE_TIMEOUT 12
|
||||
#define EXIT_CONNECT_TIME 13
|
||||
#define EXIT_CALLBACK 14
|
||||
#define EXIT_PEER_DEAD 15
|
||||
#define EXIT_HANGUP 16
|
||||
#define EXIT_LOOPBACK 17
|
||||
#define EXIT_INIT_FAILED 18
|
||||
#define EXIT_AUTH_TOPEER_FAILED 19
|
||||
|
||||
/*
|
||||
* Debug macros. Slightly useful for finding bugs in pppd, not particularly
|
||||
* useful for finding out why your connection isn't being established.
|
||||
*/
|
||||
#ifdef DEBUGALL
|
||||
#define DEBUGMAIN 1
|
||||
#define DEBUGFSM 1
|
||||
#define DEBUGLCP 1
|
||||
#define DEBUGIPCP 1
|
||||
#define DEBUGIPV6CP 1
|
||||
#define DEBUGUPAP 1
|
||||
#define DEBUGCHAP 1
|
||||
#endif
|
||||
|
||||
#ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */
|
||||
#if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUGSYS) \
|
||||
|| defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \
|
||||
|| defined(DEBUGCHAP) || defined(DEBUG) || defined(DEBUGIPV6CP)
|
||||
#define LOG_PPP LOG_LOCAL2
|
||||
#else
|
||||
#define LOG_PPP LOG_DAEMON
|
||||
#endif
|
||||
#endif /* LOG_PPP */
|
||||
|
||||
#ifdef DEBUGMAIN
|
||||
#define MAINDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define MAINDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGSYS
|
||||
#define SYSDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define SYSDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGFSM
|
||||
#define FSMDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define FSMDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGLCP
|
||||
#define LCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define LCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPCP
|
||||
#define IPCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPV6CP
|
||||
#define IPV6CPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPV6CPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGUPAP
|
||||
#define UPAPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define UPAPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGCHAP
|
||||
#define CHAPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define CHAPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPXCP
|
||||
#define IPXCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPXCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifndef SIGTYPE
|
||||
#if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE)
|
||||
#define SIGTYPE void
|
||||
#else
|
||||
#define SIGTYPE int
|
||||
#endif /* defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) */
|
||||
#endif /* SIGTYPE */
|
||||
|
||||
#ifndef MIN
|
||||
#define MIN(a, b) ((a) < (b)? (a): (b))
|
||||
#endif
|
||||
#ifndef MAX
|
||||
#define MAX(a, b) ((a) > (b)? (a): (b))
|
||||
#endif
|
||||
|
||||
#endif /* __PPP_H__ */
|
|
@ -1,14 +0,0 @@
|
|||
# Makefile for the capiplugin for pppd(8).
|
||||
#
|
||||
# Copyright 2000 Carsten Paeth (calle@calle.in-berlin.de)
|
||||
# Copyright 2000 AVM GmbH Berlin (info@avm.de)
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License
|
||||
# as published by the Free Software Foundation; either version
|
||||
# 2 of the License, or (at your option) any later version.
|
||||
|
||||
PLUGINDIR=${DESTDIR}/usr/lib/pppd/$(PPPVERSION)
|
||||
|
||||
include $(TOPDIR)/Rules.make
|
||||
|
|
@ -1,4 +0,0 @@
|
|||
/* $Id: patchlevel.h,v 1.2 2001/05/03 09:00:51 calle Exp $ */
|
||||
|
||||
#define VERSION "2.4.1"
|
||||
#define DATE "25 March 2001"
|
|
@ -1,789 +0,0 @@
|
|||
/*
|
||||
* pppd.h - PPP daemon global declarations.
|
||||
*
|
||||
* Copyright (c) 1989 Carnegie Mellon University.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms are permitted
|
||||
* provided that the above copyright notice and this paragraph are
|
||||
* duplicated in all such forms and that any documentation,
|
||||
* advertising materials, and other materials related to such
|
||||
* distribution and use acknowledge that the software was developed
|
||||
* by Carnegie Mellon University. The name of the
|
||||
* University may not be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
||||
*
|
||||
* $Id: pppd.h,v 1.2 2001/05/03 09:00:51 calle Exp $
|
||||
*/
|
||||
|
||||
/*
|
||||
* TODO:
|
||||
*/
|
||||
|
||||
#ifndef __PPPD_H__
|
||||
#define __PPPD_H__
|
||||
|
||||
#include <stdio.h> /* for FILE */
|
||||
#include <limits.h> /* for NGROUPS_MAX */
|
||||
#include <sys/param.h> /* for MAXPATHLEN and BSD4_4, if defined */
|
||||
#include <sys/types.h> /* for u_int32_t, if defined */
|
||||
#include <sys/time.h> /* for struct timeval */
|
||||
#include <net/ppp_defs.h>
|
||||
#include "patchlevel.h"
|
||||
|
||||
#if defined(__STDC__)
|
||||
#include <stdarg.h>
|
||||
#define __V(x) x
|
||||
#else
|
||||
#include <varargs.h>
|
||||
#define __V(x) (va_alist) va_dcl
|
||||
#define const
|
||||
#define volatile
|
||||
#endif
|
||||
|
||||
#ifdef INET6
|
||||
#include "eui64.h"
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Limits.
|
||||
*/
|
||||
|
||||
#define NUM_PPP 1 /* One PPP interface supported (per process) */
|
||||
#define MAXWORDLEN 1024 /* max length of word in file (incl null) */
|
||||
#define MAXARGS 1 /* max # args to a command */
|
||||
#define MAXNAMELEN 256 /* max length of hostname or name for auth */
|
||||
#define MAXSECRETLEN 256 /* max length of password or secret */
|
||||
|
||||
/*
|
||||
* Option descriptor structure.
|
||||
*/
|
||||
|
||||
typedef unsigned char bool;
|
||||
|
||||
enum opt_type {
|
||||
o_special_noarg = 0,
|
||||
o_special = 1,
|
||||
o_bool,
|
||||
o_int,
|
||||
o_uint32,
|
||||
o_string,
|
||||
o_wild,
|
||||
};
|
||||
|
||||
typedef struct {
|
||||
char *name; /* name of the option */
|
||||
enum opt_type type;
|
||||
void *addr;
|
||||
char *description;
|
||||
int flags;
|
||||
void *addr2;
|
||||
int upper_limit;
|
||||
int lower_limit;
|
||||
const char *source;
|
||||
short int priority;
|
||||
short int winner;
|
||||
} option_t;
|
||||
|
||||
/* Values for flags */
|
||||
#define OPT_VALUE 0xff /* mask for presupplied value */
|
||||
#define OPT_HEX 0x100 /* int option is in hex */
|
||||
#define OPT_NOARG 0x200 /* option doesn't take argument */
|
||||
#define OPT_OR 0x400 /* OR in argument to value */
|
||||
#define OPT_INC 0x800 /* increment value */
|
||||
#define OPT_PRIV 0x1000 /* privileged option */
|
||||
#define OPT_STATIC 0x2000 /* string option goes into static array */
|
||||
#define OPT_LLIMIT 0x4000 /* check value against lower limit */
|
||||
#define OPT_ULIMIT 0x8000 /* check value against upper limit */
|
||||
#define OPT_LIMITS (OPT_LLIMIT|OPT_ULIMIT)
|
||||
#define OPT_ZEROOK 0x10000 /* 0 value is OK even if not within limits */
|
||||
#define OPT_HIDE 0x10000 /* for o_string, print value as ?????? */
|
||||
#define OPT_A2LIST 0x10000 /* for o_special, keep list of values */
|
||||
#define OPT_NOINCR 0x20000 /* value mustn't be increased */
|
||||
#define OPT_ZEROINF 0x40000 /* with OPT_NOINCR, 0 == infinity */
|
||||
#define OPT_PRIO 0x80000 /* process option priorities for this option */
|
||||
#define OPT_PRIOSUB 0x100000 /* subsidiary member of priority group */
|
||||
#define OPT_ALIAS 0x200000 /* option is alias for previous option */
|
||||
#define OPT_A2COPY 0x400000 /* addr2 -> second location to rcv value */
|
||||
#define OPT_ENABLE 0x800000 /* use *addr2 as enable for option */
|
||||
#define OPT_A2CLR 0x1000000 /* clear *(bool *)addr2 */
|
||||
#define OPT_PRIVFIX 0x2000000 /* user can't override if set by root */
|
||||
#define OPT_INITONLY 0x4000000 /* option can only be set in init phase */
|
||||
#define OPT_DEVEQUIV 0x8000000 /* equiv to device name */
|
||||
#define OPT_DEVNAM (OPT_INITONLY | OPT_DEVEQUIV)
|
||||
#define OPT_A2PRINTER 0x10000000 /* *addr2 is a fn for printing option */
|
||||
#define OPT_A2STRVAL 0x20000000 /* *addr2 points to current string value */
|
||||
#define OPT_NOPRINT 0x40000000 /* don't print this option at all */
|
||||
|
||||
#define OPT_VAL(x) ((x) & OPT_VALUE)
|
||||
|
||||
/* Values for priority */
|
||||
#define OPRIO_DEFAULT 0 /* a default value */
|
||||
#define OPRIO_CFGFILE 1 /* value from a configuration file */
|
||||
#define OPRIO_CMDLINE 2 /* value from the command line */
|
||||
#define OPRIO_SECFILE 3 /* value from options in a secrets file */
|
||||
#define OPRIO_ROOT 100 /* added to priority if OPT_PRIVFIX && root */
|
||||
|
||||
#ifndef GIDSET_TYPE
|
||||
#define GIDSET_TYPE gid_t
|
||||
#endif
|
||||
|
||||
/* Structure representing a list of permitted IP addresses. */
|
||||
struct permitted_ip {
|
||||
int permit; /* 1 = permit, 0 = forbid */
|
||||
u_int32_t base; /* match if (addr & mask) == base */
|
||||
u_int32_t mask; /* base and mask are in network byte order */
|
||||
};
|
||||
|
||||
/*
|
||||
* Unfortunately, the linux kernel driver uses a different structure
|
||||
* for statistics from the rest of the ports.
|
||||
* This structure serves as a common representation for the bits
|
||||
* pppd needs.
|
||||
*/
|
||||
struct pppd_stats {
|
||||
unsigned int bytes_in;
|
||||
unsigned int bytes_out;
|
||||
};
|
||||
|
||||
/* Used for storing a sequence of words. Usually malloced. */
|
||||
struct wordlist {
|
||||
struct wordlist *next;
|
||||
char *word;
|
||||
};
|
||||
|
||||
/* An endpoint discriminator, used with multilink. */
|
||||
#define MAX_ENDP_LEN 20 /* maximum length of discriminator value */
|
||||
struct epdisc {
|
||||
unsigned char class;
|
||||
unsigned char length;
|
||||
unsigned char value[MAX_ENDP_LEN];
|
||||
};
|
||||
|
||||
/* values for epdisc.class */
|
||||
#define EPD_NULL 0 /* null discriminator, no data */
|
||||
#define EPD_LOCAL 1
|
||||
#define EPD_IP 2
|
||||
#define EPD_MAC 3
|
||||
#define EPD_MAGIC 4
|
||||
#define EPD_PHONENUM 5
|
||||
|
||||
typedef void (*notify_func) __P((void *, int));
|
||||
|
||||
struct notifier {
|
||||
struct notifier *next;
|
||||
notify_func func;
|
||||
void *arg;
|
||||
};
|
||||
|
||||
/*
|
||||
* Global variables.
|
||||
*/
|
||||
|
||||
extern int hungup; /* Physical layer has disconnected */
|
||||
extern int ifunit; /* Interface unit number */
|
||||
extern char ifname[]; /* Interface name */
|
||||
extern char hostname[]; /* Our hostname */
|
||||
extern u_char outpacket_buf[]; /* Buffer for outgoing packets */
|
||||
extern int phase; /* Current state of link - see values below */
|
||||
extern int baud_rate; /* Current link speed in bits/sec */
|
||||
extern char *progname; /* Name of this program */
|
||||
extern int redirect_stderr;/* Connector's stderr should go to file */
|
||||
extern char peer_authname[];/* Authenticated name of peer */
|
||||
extern int privileged; /* We were run by real-uid root */
|
||||
extern int need_holdoff; /* Need holdoff period after link terminates */
|
||||
extern char **script_env; /* Environment variables for scripts */
|
||||
extern int detached; /* Have detached from controlling tty */
|
||||
extern GIDSET_TYPE groups[NGROUPS_MAX]; /* groups the user is in */
|
||||
extern int ngroups; /* How many groups valid in groups */
|
||||
extern struct pppd_stats link_stats; /* byte/packet counts etc. for link */
|
||||
extern int link_stats_valid; /* set if link_stats is valid */
|
||||
extern int link_connect_time; /* time the link was up for */
|
||||
extern int using_pty; /* using pty as device (notty or pty opt.) */
|
||||
extern int log_to_fd; /* logging to this fd as well as syslog */
|
||||
extern bool log_default; /* log_to_fd is default (stdout) */
|
||||
extern char *no_ppp_msg; /* message to print if ppp not in kernel */
|
||||
extern volatile int status; /* exit status for pppd */
|
||||
extern bool devnam_fixed; /* can no longer change devnam */
|
||||
extern int unsuccess; /* # unsuccessful connection attempts */
|
||||
extern int do_callback; /* set if we want to do callback next */
|
||||
extern int doing_callback; /* set if this is a callback */
|
||||
extern char ppp_devnam[MAXPATHLEN];
|
||||
extern struct notifier *pidchange; /* for notifications of pid changing */
|
||||
extern struct notifier *phasechange; /* for notifications of phase changes */
|
||||
extern struct notifier *exitnotify; /* for notification that we're exiting */
|
||||
extern struct notifier *sigreceived; /* notification of received signal */
|
||||
extern int listen_time; /* time to listen first (ms) */
|
||||
|
||||
/* Values for do_callback and doing_callback */
|
||||
#define CALLBACK_DIALIN 1 /* we are expecting the call back */
|
||||
#define CALLBACK_DIALOUT 2 /* we are dialling out to call back */
|
||||
|
||||
/*
|
||||
* Variables set by command-line options.
|
||||
*/
|
||||
|
||||
extern int debug; /* Debug flag */
|
||||
extern int kdebugflag; /* Tell kernel to print debug messages */
|
||||
extern int default_device; /* Using /dev/tty or equivalent */
|
||||
extern char devnam[MAXPATHLEN]; /* Device name */
|
||||
extern int crtscts; /* Use hardware flow control */
|
||||
extern bool modem; /* Use modem control lines */
|
||||
extern int inspeed; /* Input/Output speed requested */
|
||||
extern u_int32_t netmask; /* IP netmask to set on interface */
|
||||
extern bool lockflag; /* Create lock file to lock the serial dev */
|
||||
extern bool nodetach; /* Don't detach from controlling tty */
|
||||
extern bool updetach; /* Detach from controlling tty when link up */
|
||||
extern char *initializer; /* Script to initialize physical link */
|
||||
extern char *connect_script; /* Script to establish physical link */
|
||||
extern char *disconnect_script; /* Script to disestablish physical link */
|
||||
extern char *welcomer; /* Script to welcome client after connection */
|
||||
extern char *ptycommand; /* Command to run on other side of pty */
|
||||
extern int maxconnect; /* Maximum connect time (seconds) */
|
||||
extern char user[MAXNAMELEN];/* Our name for authenticating ourselves */
|
||||
extern char passwd[MAXSECRETLEN]; /* Password for PAP or CHAP */
|
||||
extern bool auth_required; /* Peer is required to authenticate */
|
||||
extern bool persist; /* Reopen link after it goes down */
|
||||
extern bool uselogin; /* Use /etc/passwd for checking PAP */
|
||||
extern char our_name[MAXNAMELEN];/* Our name for authentication purposes */
|
||||
extern char remote_name[MAXNAMELEN]; /* Peer's name for authentication */
|
||||
extern bool explicit_remote;/* remote_name specified with remotename opt */
|
||||
extern bool demand; /* Do dial-on-demand */
|
||||
extern char *ipparam; /* Extra parameter for ip up/down scripts */
|
||||
extern bool cryptpap; /* Others' PAP passwords are encrypted */
|
||||
extern int idle_time_limit;/* Shut down link if idle for this long */
|
||||
extern int holdoff; /* Dead time before restarting */
|
||||
extern bool holdoff_specified; /* true if user gave a holdoff value */
|
||||
extern bool notty; /* Stdin/out is not a tty */
|
||||
extern char *pty_socket; /* Socket to connect to pty */
|
||||
extern char *record_file; /* File to record chars sent/received */
|
||||
extern bool sync_serial; /* Device is synchronous serial device */
|
||||
extern int maxfail; /* Max # of unsuccessful connection attempts */
|
||||
extern char linkname[MAXPATHLEN]; /* logical name for link */
|
||||
extern bool tune_kernel; /* May alter kernel settings as necessary */
|
||||
extern int connect_delay; /* Time to delay after connect script */
|
||||
extern int max_data_rate; /* max bytes/sec through charshunt */
|
||||
extern int req_unit; /* interface unit number to use */
|
||||
extern bool multilink; /* enable multilink operation */
|
||||
extern bool noendpoint; /* don't send or accept endpt. discrim. */
|
||||
extern char *bundle_name; /* bundle name for multilink */
|
||||
extern bool dump_options; /* print out option values */
|
||||
extern bool dryrun; /* check everything, print options, exit */
|
||||
|
||||
#ifdef PPP_FILTER
|
||||
extern struct bpf_program pass_filter; /* Filter for pkts to pass */
|
||||
extern struct bpf_program active_filter; /* Filter for link-active pkts */
|
||||
#endif
|
||||
|
||||
#ifdef MSLANMAN
|
||||
extern bool ms_lanman; /* Use LanMan password instead of NT */
|
||||
/* Has meaning only with MS-CHAP challenges */
|
||||
#endif
|
||||
|
||||
extern char *current_option; /* the name of the option being parsed */
|
||||
extern int privileged_option; /* set iff the current option came from root */
|
||||
extern char *option_source; /* string saying where the option came from */
|
||||
extern int option_priority; /* priority of current options */
|
||||
|
||||
/*
|
||||
* Values for phase.
|
||||
*/
|
||||
#define PHASE_DEAD 0
|
||||
#define PHASE_INITIALIZE 1
|
||||
#define PHASE_SERIALCONN 2
|
||||
#define PHASE_DORMANT 3
|
||||
#define PHASE_ESTABLISH 4
|
||||
#define PHASE_AUTHENTICATE 5
|
||||
#define PHASE_CALLBACK 6
|
||||
#define PHASE_NETWORK 7
|
||||
#define PHASE_RUNNING 8
|
||||
#define PHASE_TERMINATE 9
|
||||
#define PHASE_DISCONNECT 10
|
||||
#define PHASE_HOLDOFF 11
|
||||
|
||||
/*
|
||||
* The following struct gives the addresses of procedures to call
|
||||
* for a particular protocol.
|
||||
*/
|
||||
struct protent {
|
||||
u_short protocol; /* PPP protocol number */
|
||||
/* Initialization procedure */
|
||||
void (*init) __P((int unit));
|
||||
/* Process a received packet */
|
||||
void (*input) __P((int unit, u_char *pkt, int len));
|
||||
/* Process a received protocol-reject */
|
||||
void (*protrej) __P((int unit));
|
||||
/* Lower layer has come up */
|
||||
void (*lowerup) __P((int unit));
|
||||
/* Lower layer has gone down */
|
||||
void (*lowerdown) __P((int unit));
|
||||
/* Open the protocol */
|
||||
void (*open) __P((int unit));
|
||||
/* Close the protocol */
|
||||
void (*close) __P((int unit, char *reason));
|
||||
/* Print a packet in readable form */
|
||||
int (*printpkt) __P((u_char *pkt, int len,
|
||||
void (*printer) __P((void *, char *, ...)),
|
||||
void *arg));
|
||||
/* Process a received data packet */
|
||||
void (*datainput) __P((int unit, u_char *pkt, int len));
|
||||
bool enabled_flag; /* 0 iff protocol is disabled */
|
||||
char *name; /* Text name of protocol */
|
||||
char *data_name; /* Text name of corresponding data protocol */
|
||||
option_t *options; /* List of command-line options */
|
||||
/* Check requested options, assign defaults */
|
||||
void (*check_options) __P((void));
|
||||
/* Configure interface for demand-dial */
|
||||
int (*demand_conf) __P((int unit));
|
||||
/* Say whether to bring up link for this pkt */
|
||||
int (*active_pkt) __P((u_char *pkt, int len));
|
||||
};
|
||||
|
||||
/* Table of pointers to supported protocols */
|
||||
extern struct protent *protocols[];
|
||||
|
||||
/*
|
||||
* This struct contains pointers to a set of procedures for
|
||||
* doing operations on a "channel". A channel provides a way
|
||||
* to send and receive PPP packets - the canonical example is
|
||||
* a serial port device in PPP line discipline (or equivalently
|
||||
* with PPP STREAMS modules pushed onto it).
|
||||
*/
|
||||
struct channel {
|
||||
/* set of options for this channel */
|
||||
option_t *options;
|
||||
/* find and process a per-channel options file */
|
||||
void (*process_extra_options) __P((void));
|
||||
/* check all the options that have been given */
|
||||
void (*check_options) __P((void));
|
||||
/* get the channel ready to do PPP, return a file descriptor */
|
||||
int (*connect) __P((void));
|
||||
/* we're finished with the channel */
|
||||
void (*disconnect) __P((void));
|
||||
/* put the channel into PPP `mode' */
|
||||
int (*establish_ppp) __P((int));
|
||||
/* take the channel out of PPP `mode', restore loopback if demand */
|
||||
void (*disestablish_ppp) __P((int));
|
||||
/* set the transmit-side PPP parameters of the channel */
|
||||
void (*send_config) __P((int, u_int32_t, int, int));
|
||||
/* set the receive-side PPP parameters of the channel */
|
||||
void (*recv_config) __P((int, u_int32_t, int, int));
|
||||
/* cleanup on error or normal exit */
|
||||
void (*cleanup) __P((void));
|
||||
/* close the device, called in children after fork */
|
||||
void (*close) __P((void));
|
||||
};
|
||||
|
||||
extern struct channel *the_channel;
|
||||
|
||||
#define ppp_send_config(unit, mtu, accm, pc, acc) \
|
||||
do { \
|
||||
if (the_channel->send_config) \
|
||||
(*the_channel->send_config)((mtu), (accm), (pc), (acc)); \
|
||||
} while (0)
|
||||
|
||||
#define ppp_recv_config(unit, mtu, accm, pc, acc) \
|
||||
do { \
|
||||
if (the_channel->send_config) \
|
||||
(*the_channel->recv_config)((mtu), (accm), (pc), (acc)); \
|
||||
} while (0)
|
||||
|
||||
/*
|
||||
* Prototypes.
|
||||
*/
|
||||
|
||||
/* Procedures exported from main.c. */
|
||||
void set_ifunit __P((int)); /* set stuff that depends on ifunit */
|
||||
void detach __P((void)); /* Detach from controlling tty */
|
||||
void die __P((int)); /* Cleanup and exit */
|
||||
void quit __P((void)); /* like die(1) */
|
||||
void novm __P((char *)); /* Say we ran out of memory, and die */
|
||||
void timeout __P((void (*func)(void *), void *arg, int s, int us));
|
||||
/* Call func(arg) after s.us seconds */
|
||||
void untimeout __P((void (*func)(void *), void *arg));
|
||||
/* Cancel call to func(arg) */
|
||||
void record_child __P((int, char *, void (*) (void *), void *));
|
||||
int device_script __P((char *cmd, int in, int out, int dont_wait));
|
||||
/* Run `cmd' with given stdin and stdout */
|
||||
pid_t run_program __P((char *prog, char **args, int must_exist,
|
||||
void (*done)(void *), void *arg));
|
||||
/* Run program prog with args in child */
|
||||
void reopen_log __P((void)); /* (re)open the connection to syslog */
|
||||
void update_link_stats __P((int)); /* Get stats at link termination */
|
||||
void script_setenv __P((char *, char *, int)); /* set script env var */
|
||||
void script_unsetenv __P((char *)); /* unset script env var */
|
||||
void new_phase __P((int)); /* signal start of new phase */
|
||||
void add_notifier __P((struct notifier **, notify_func, void *));
|
||||
void remove_notifier __P((struct notifier **, notify_func, void *));
|
||||
void notify __P((struct notifier *, int));
|
||||
|
||||
/* Procedures exported from tty.c. */
|
||||
void tty_init __P((void));
|
||||
|
||||
/* Procedures exported from utils.c. */
|
||||
void log_packet __P((u_char *, int, char *, int));
|
||||
/* Format a packet and log it with syslog */
|
||||
void print_string __P((char *, int, void (*) (void *, char *, ...),
|
||||
void *)); /* Format a string for output */
|
||||
int slprintf __P((char *, int, char *, ...)); /* sprintf++ */
|
||||
int vslprintf __P((char *, int, char *, va_list)); /* vsprintf++ */
|
||||
size_t strlcpy __P((char *, const char *, size_t)); /* safe strcpy */
|
||||
size_t strlcat __P((char *, const char *, size_t)); /* safe strncpy */
|
||||
void dbglog __P((char *, ...)); /* log a debug message */
|
||||
void info __P((char *, ...)); /* log an informational message */
|
||||
void notice __P((char *, ...)); /* log a notice-level message */
|
||||
void warn __P((char *, ...)); /* log a warning message */
|
||||
void error __P((char *, ...)); /* log an error message */
|
||||
void fatal __P((char *, ...)); /* log an error message and die(1) */
|
||||
void init_pr_log __P((char *, int)); /* initialize for using pr_log */
|
||||
void pr_log __P((void *, char *, ...)); /* printer fn, output to syslog */
|
||||
void end_pr_log __P((void)); /* finish up after using pr_log */
|
||||
|
||||
/* Procedures exported from auth.c */
|
||||
void link_required __P((int)); /* we are starting to use the link */
|
||||
void link_terminated __P((int)); /* we are finished with the link */
|
||||
void link_down __P((int)); /* the LCP layer has left the Opened state */
|
||||
void link_established __P((int)); /* the link is up; authenticate now */
|
||||
void start_networks __P((void)); /* start all the network control protos */
|
||||
void np_up __P((int, int)); /* a network protocol has come up */
|
||||
void np_down __P((int, int)); /* a network protocol has gone down */
|
||||
void np_finished __P((int, int)); /* a network protocol no longer needs link */
|
||||
void auth_peer_fail __P((int, int));
|
||||
/* peer failed to authenticate itself */
|
||||
void auth_peer_success __P((int, int, char *, int));
|
||||
/* peer successfully authenticated itself */
|
||||
void auth_withpeer_fail __P((int, int));
|
||||
/* we failed to authenticate ourselves */
|
||||
void auth_withpeer_success __P((int, int));
|
||||
/* we successfully authenticated ourselves */
|
||||
void auth_check_options __P((void));
|
||||
/* check authentication options supplied */
|
||||
void auth_reset __P((int)); /* check what secrets we have */
|
||||
int check_passwd __P((int, char *, int, char *, int, char **));
|
||||
/* Check peer-supplied username/password */
|
||||
int get_secret __P((int, char *, char *, char *, int *, int));
|
||||
/* get "secret" for chap */
|
||||
int auth_ip_addr __P((int, u_int32_t));
|
||||
/* check if IP address is authorized */
|
||||
int bad_ip_adrs __P((u_int32_t));
|
||||
/* check if IP address is unreasonable */
|
||||
|
||||
/* Procedures exported from demand.c */
|
||||
void demand_conf __P((void)); /* config interface(s) for demand-dial */
|
||||
void demand_block __P((void)); /* set all NPs to queue up packets */
|
||||
void demand_unblock __P((void)); /* set all NPs to pass packets */
|
||||
void demand_discard __P((void)); /* set all NPs to discard packets */
|
||||
void demand_rexmit __P((int)); /* retransmit saved frames for an NP */
|
||||
int loop_chars __P((unsigned char *, int)); /* process chars from loopback */
|
||||
int loop_frame __P((unsigned char *, int)); /* should we bring link up? */
|
||||
|
||||
/* Procedures exported from multilink.c */
|
||||
void mp_check_options __P((void)); /* Check multilink-related options */
|
||||
int mp_join_bundle __P((void)); /* join our link to an appropriate bundle */
|
||||
char *epdisc_to_str __P((struct epdisc *)); /* string from endpoint discrim. */
|
||||
int str_to_epdisc __P((struct epdisc *, char *)); /* endpt disc. from str */
|
||||
|
||||
/* Procedures exported from sys-*.c */
|
||||
void sys_init __P((void)); /* Do system-dependent initialization */
|
||||
void sys_cleanup __P((void)); /* Restore system state before exiting */
|
||||
int sys_check_options __P((void)); /* Check options specified */
|
||||
void sys_close __P((void)); /* Clean up in a child before execing */
|
||||
int ppp_available __P((void)); /* Test whether ppp kernel support exists */
|
||||
int get_pty __P((int *, int *, char *, int)); /* Get pty master/slave */
|
||||
int open_ppp_loopback __P((void)); /* Open loopback for demand-dialling */
|
||||
int tty_establish_ppp __P((int)); /* Turn serial port into a ppp interface */
|
||||
void tty_disestablish_ppp __P((int)); /* Restore port to normal operation */
|
||||
void make_new_bundle __P((int, int, int, int)); /* Create new bundle */
|
||||
int bundle_attach __P((int)); /* Attach link to existing bundle */
|
||||
void cfg_bundle __P((int, int, int, int)); /* Configure existing bundle */
|
||||
void clean_check __P((void)); /* Check if line was 8-bit clean */
|
||||
void set_up_tty __P((int, int)); /* Set up port's speed, parameters, etc. */
|
||||
void restore_tty __P((int)); /* Restore port's original parameters */
|
||||
void setdtr __P((int, int)); /* Raise or lower port's DTR line */
|
||||
void output __P((int, u_char *, int)); /* Output a PPP packet */
|
||||
void wait_input __P((struct timeval *));
|
||||
/* Wait for input, with timeout */
|
||||
void add_fd __P((int)); /* Add fd to set to wait for */
|
||||
void remove_fd __P((int)); /* Remove fd from set to wait for */
|
||||
int read_packet __P((u_char *)); /* Read PPP packet */
|
||||
int get_loop_output __P((void)); /* Read pkts from loopback */
|
||||
void tty_send_config __P((int, u_int32_t, int, int));
|
||||
/* Configure i/f transmit parameters */
|
||||
void tty_set_xaccm __P((ext_accm));
|
||||
/* Set extended transmit ACCM */
|
||||
void tty_recv_config __P((int, u_int32_t, int, int));
|
||||
/* Configure i/f receive parameters */
|
||||
int ccp_test __P((int, u_char *, int, int));
|
||||
/* Test support for compression scheme */
|
||||
void ccp_flags_set __P((int, int, int));
|
||||
/* Set kernel CCP state */
|
||||
int ccp_fatal_error __P((int)); /* Test for fatal decomp error in kernel */
|
||||
int get_idle_time __P((int, struct ppp_idle *));
|
||||
/* Find out how long link has been idle */
|
||||
int get_ppp_stats __P((int, struct pppd_stats *));
|
||||
/* Return link statistics */
|
||||
void netif_set_mtu __P((int, int)); /* Set PPP interface MTU */
|
||||
int sifvjcomp __P((int, int, int, int));
|
||||
/* Configure VJ TCP header compression */
|
||||
int sifup __P((int)); /* Configure i/f up for one protocol */
|
||||
int sifnpmode __P((int u, int proto, enum NPmode mode));
|
||||
/* Set mode for handling packets for proto */
|
||||
int sifdown __P((int)); /* Configure i/f down for one protocol */
|
||||
int sifaddr __P((int, u_int32_t, u_int32_t, u_int32_t));
|
||||
/* Configure IPv4 addresses for i/f */
|
||||
int cifaddr __P((int, u_int32_t, u_int32_t));
|
||||
/* Reset i/f IP addresses */
|
||||
#ifdef INET6
|
||||
int sif6addr __P((int, eui64_t, eui64_t));
|
||||
/* Configure IPv6 addresses for i/f */
|
||||
int cif6addr __P((int, eui64_t, eui64_t));
|
||||
/* Remove an IPv6 address from i/f */
|
||||
#endif
|
||||
int sifdefaultroute __P((int, u_int32_t, u_int32_t));
|
||||
/* Create default route through i/f */
|
||||
int cifdefaultroute __P((int, u_int32_t, u_int32_t));
|
||||
/* Delete default route through i/f */
|
||||
int sifproxyarp __P((int, u_int32_t));
|
||||
/* Add proxy ARP entry for peer */
|
||||
int cifproxyarp __P((int, u_int32_t));
|
||||
/* Delete proxy ARP entry for peer */
|
||||
u_int32_t GetMask __P((u_int32_t)); /* Get appropriate netmask for address */
|
||||
int lock __P((char *)); /* Create lock file for device */
|
||||
int relock __P((int)); /* Rewrite lock file with new pid */
|
||||
void unlock __P((void)); /* Delete previously-created lock file */
|
||||
void logwtmp __P((const char *, const char *, const char *));
|
||||
/* Write entry to wtmp file */
|
||||
int get_host_seed __P((void)); /* Get host-dependent random number seed */
|
||||
int have_route_to __P((u_int32_t)); /* Check if route to addr exists */
|
||||
#ifdef PPP_FILTER
|
||||
int set_filters __P((struct bpf_program *pass, struct bpf_program *active));
|
||||
/* Set filter programs in kernel */
|
||||
#endif
|
||||
#ifdef IPX_CHANGE
|
||||
int sipxfaddr __P((int, unsigned long, unsigned char *));
|
||||
int cipxfaddr __P((int));
|
||||
#endif
|
||||
int get_if_hwaddr __P((u_char *addr, char *name));
|
||||
char *get_first_ethernet __P((void));
|
||||
|
||||
/* Procedures exported from options.c */
|
||||
int parse_args __P((int argc, char **argv));
|
||||
/* Parse options from arguments given */
|
||||
int options_from_file __P((char *filename, int must_exist, int check_prot,
|
||||
int privileged));
|
||||
/* Parse options from an options file */
|
||||
int options_from_user __P((void)); /* Parse options from user's .ppprc */
|
||||
int options_for_tty __P((void)); /* Parse options from /etc/ppp/options.tty */
|
||||
int options_from_list __P((struct wordlist *, int privileged));
|
||||
/* Parse options from a wordlist */
|
||||
int getword __P((FILE *f, char *word, int *newlinep, char *filename));
|
||||
/* Read a word from a file */
|
||||
void option_error __P((char *fmt, ...));
|
||||
/* Print an error message about an option */
|
||||
int int_option __P((char *, int *));
|
||||
/* Simplified number_option for decimal ints */
|
||||
void add_options __P((option_t *)); /* Add extra options */
|
||||
void check_options __P((void)); /* check values after all options parsed */
|
||||
int override_value __P((const char *, int, const char *));
|
||||
/* override value if permitted by priority */
|
||||
void print_options __P((void (*) __P((void *, char *, ...)), void *));
|
||||
/* print out values of all options */
|
||||
|
||||
int parse_dotted_ip __P((char *, u_int32_t *));
|
||||
|
||||
/*
|
||||
* Hooks to enable plugins to change various things.
|
||||
*/
|
||||
extern int (*new_phase_hook) __P((int));
|
||||
extern int (*idle_time_hook) __P((struct ppp_idle *));
|
||||
extern int (*holdoff_hook) __P((void));
|
||||
extern int (*pap_check_hook) __P((void));
|
||||
extern int (*pap_auth_hook) __P((char *user, char *passwd, char **msgp,
|
||||
struct wordlist **paddrs,
|
||||
struct wordlist **popts));
|
||||
extern void (*pap_logout_hook) __P((void));
|
||||
extern int (*pap_passwd_hook) __P((char *user, char *passwd));
|
||||
extern void (*ip_up_hook) __P((void));
|
||||
extern void (*ip_down_hook) __P((void));
|
||||
extern void (*ip_choose_hook) __P((u_int32_t *));
|
||||
|
||||
/*
|
||||
* Inline versions of get/put char/short/long.
|
||||
* Pointer is advanced; we assume that both arguments
|
||||
* are lvalues and will already be in registers.
|
||||
* cp MUST be u_char *.
|
||||
*/
|
||||
#define GETCHAR(c, cp) { \
|
||||
(c) = *(cp)++; \
|
||||
}
|
||||
#define PUTCHAR(c, cp) { \
|
||||
*(cp)++ = (u_char) (c); \
|
||||
}
|
||||
|
||||
|
||||
#define GETSHORT(s, cp) { \
|
||||
(s) = *(cp)++ << 8; \
|
||||
(s) |= *(cp)++; \
|
||||
}
|
||||
#define PUTSHORT(s, cp) { \
|
||||
*(cp)++ = (u_char) ((s) >> 8); \
|
||||
*(cp)++ = (u_char) (s); \
|
||||
}
|
||||
|
||||
#define GETLONG(l, cp) { \
|
||||
(l) = *(cp)++ << 8; \
|
||||
(l) |= *(cp)++; (l) <<= 8; \
|
||||
(l) |= *(cp)++; (l) <<= 8; \
|
||||
(l) |= *(cp)++; \
|
||||
}
|
||||
#define PUTLONG(l, cp) { \
|
||||
*(cp)++ = (u_char) ((l) >> 24); \
|
||||
*(cp)++ = (u_char) ((l) >> 16); \
|
||||
*(cp)++ = (u_char) ((l) >> 8); \
|
||||
*(cp)++ = (u_char) (l); \
|
||||
}
|
||||
|
||||
#define INCPTR(n, cp) ((cp) += (n))
|
||||
#define DECPTR(n, cp) ((cp) -= (n))
|
||||
|
||||
/*
|
||||
* System dependent definitions for user-level 4.3BSD UNIX implementation.
|
||||
*/
|
||||
|
||||
#define TIMEOUT(r, f, t) timeout((r), (f), (t), 0)
|
||||
#define UNTIMEOUT(r, f) untimeout((r), (f))
|
||||
|
||||
#define BCOPY(s, d, l) memcpy(d, s, l)
|
||||
#define BZERO(s, n) memset(s, 0, n)
|
||||
|
||||
#define PRINTMSG(m, l) { info("Remote message: %0.*v", l, m); }
|
||||
|
||||
/*
|
||||
* MAKEHEADER - Add Header fields to a packet.
|
||||
*/
|
||||
#define MAKEHEADER(p, t) { \
|
||||
PUTCHAR(PPP_ALLSTATIONS, p); \
|
||||
PUTCHAR(PPP_UI, p); \
|
||||
PUTSHORT(t, p); }
|
||||
|
||||
/*
|
||||
* Exit status values.
|
||||
*/
|
||||
#define EXIT_OK 0
|
||||
#define EXIT_FATAL_ERROR 1
|
||||
#define EXIT_OPTION_ERROR 2
|
||||
#define EXIT_NOT_ROOT 3
|
||||
#define EXIT_NO_KERNEL_SUPPORT 4
|
||||
#define EXIT_USER_REQUEST 5
|
||||
#define EXIT_LOCK_FAILED 6
|
||||
#define EXIT_OPEN_FAILED 7
|
||||
#define EXIT_CONNECT_FAILED 8
|
||||
#define EXIT_PTYCMD_FAILED 9
|
||||
#define EXIT_NEGOTIATION_FAILED 10
|
||||
#define EXIT_PEER_AUTH_FAILED 11
|
||||
#define EXIT_IDLE_TIMEOUT 12
|
||||
#define EXIT_CONNECT_TIME 13
|
||||
#define EXIT_CALLBACK 14
|
||||
#define EXIT_PEER_DEAD 15
|
||||
#define EXIT_HANGUP 16
|
||||
#define EXIT_LOOPBACK 17
|
||||
#define EXIT_INIT_FAILED 18
|
||||
#define EXIT_AUTH_TOPEER_FAILED 19
|
||||
|
||||
/*
|
||||
* Debug macros. Slightly useful for finding bugs in pppd, not particularly
|
||||
* useful for finding out why your connection isn't being established.
|
||||
*/
|
||||
#ifdef DEBUGALL
|
||||
#define DEBUGMAIN 1
|
||||
#define DEBUGFSM 1
|
||||
#define DEBUGLCP 1
|
||||
#define DEBUGIPCP 1
|
||||
#define DEBUGIPV6CP 1
|
||||
#define DEBUGUPAP 1
|
||||
#define DEBUGCHAP 1
|
||||
#endif
|
||||
|
||||
#ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */
|
||||
#if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUGSYS) \
|
||||
|| defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \
|
||||
|| defined(DEBUGCHAP) || defined(DEBUG) || defined(DEBUGIPV6CP)
|
||||
#define LOG_PPP LOG_LOCAL2
|
||||
#else
|
||||
#define LOG_PPP LOG_DAEMON
|
||||
#endif
|
||||
#endif /* LOG_PPP */
|
||||
|
||||
#ifdef DEBUGMAIN
|
||||
#define MAINDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define MAINDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGSYS
|
||||
#define SYSDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define SYSDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGFSM
|
||||
#define FSMDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define FSMDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGLCP
|
||||
#define LCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define LCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPCP
|
||||
#define IPCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPV6CP
|
||||
#define IPV6CPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPV6CPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGUPAP
|
||||
#define UPAPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define UPAPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGCHAP
|
||||
#define CHAPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define CHAPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPXCP
|
||||
#define IPXCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPXCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifndef SIGTYPE
|
||||
#if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE)
|
||||
#define SIGTYPE void
|
||||
#else
|
||||
#define SIGTYPE int
|
||||
#endif /* defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) */
|
||||
#endif /* SIGTYPE */
|
||||
|
||||
#ifndef MIN
|
||||
#define MIN(a, b) ((a) < (b)? (a): (b))
|
||||
#endif
|
||||
#ifndef MAX
|
||||
#define MAX(a, b) ((a) > (b)? (a): (b))
|
||||
#endif
|
||||
|
||||
#endif /* __PPP_H__ */
|
|
@ -1,14 +0,0 @@
|
|||
# Makefile for the capiplugin for pppd(8).
|
||||
#
|
||||
# Copyright 2000 Carsten Paeth (calle@calle.in-berlin.de)
|
||||
# Copyright 2000 AVM GmbH Berlin (info@avm.de)
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License
|
||||
# as published by the Free Software Foundation; either version
|
||||
# 2 of the License, or (at your option) any later version.
|
||||
|
||||
PLUGINDIR=${DESTDIR}/usr/lib/pppd/$(PPPVERSION)
|
||||
|
||||
include $(TOPDIR)/Rules.make
|
||||
|
|
@ -1,4 +0,0 @@
|
|||
/* $Id: patchlevel.h,v 1.1 2001/05/03 09:00:52 calle Exp $ */
|
||||
|
||||
#define VERSION "2.4.1b1"
|
||||
#define DATE "8 March 2001"
|
|
@ -1,786 +0,0 @@
|
|||
/*
|
||||
* pppd.h - PPP daemon global declarations.
|
||||
*
|
||||
* Copyright (c) 1989 Carnegie Mellon University.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms are permitted
|
||||
* provided that the above copyright notice and this paragraph are
|
||||
* duplicated in all such forms and that any documentation,
|
||||
* advertising materials, and other materials related to such
|
||||
* distribution and use acknowledge that the software was developed
|
||||
* by Carnegie Mellon University. The name of the
|
||||
* University may not be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
||||
*
|
||||
* $Id: pppd.h,v 1.2 2001/05/03 09:00:52 calle Exp $
|
||||
*/
|
||||
|
||||
/*
|
||||
* TODO:
|
||||
*/
|
||||
|
||||
#ifndef __PPPD_H__
|
||||
#define __PPPD_H__
|
||||
|
||||
#include <stdio.h> /* for FILE */
|
||||
#include <limits.h> /* for NGROUPS_MAX */
|
||||
#include <sys/param.h> /* for MAXPATHLEN and BSD4_4, if defined */
|
||||
#include <sys/types.h> /* for u_int32_t, if defined */
|
||||
#include <sys/time.h> /* for struct timeval */
|
||||
#include <net/ppp_defs.h>
|
||||
#include "patchlevel.h"
|
||||
|
||||
#if defined(__STDC__)
|
||||
#include <stdarg.h>
|
||||
#define __V(x) x
|
||||
#else
|
||||
#include <varargs.h>
|
||||
#define __V(x) (va_alist) va_dcl
|
||||
#define const
|
||||
#define volatile
|
||||
#endif
|
||||
|
||||
#ifdef INET6
|
||||
#include "eui64.h"
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Limits.
|
||||
*/
|
||||
|
||||
#define NUM_PPP 1 /* One PPP interface supported (per process) */
|
||||
#define MAXWORDLEN 1024 /* max length of word in file (incl null) */
|
||||
#define MAXARGS 1 /* max # args to a command */
|
||||
#define MAXNAMELEN 256 /* max length of hostname or name for auth */
|
||||
#define MAXSECRETLEN 256 /* max length of password or secret */
|
||||
|
||||
/*
|
||||
* Option descriptor structure.
|
||||
*/
|
||||
|
||||
typedef unsigned char bool;
|
||||
|
||||
enum opt_type {
|
||||
o_special_noarg = 0,
|
||||
o_special = 1,
|
||||
o_bool,
|
||||
o_int,
|
||||
o_uint32,
|
||||
o_string,
|
||||
o_wild,
|
||||
};
|
||||
|
||||
typedef struct {
|
||||
char *name; /* name of the option */
|
||||
enum opt_type type;
|
||||
void *addr;
|
||||
char *description;
|
||||
int flags;
|
||||
void *addr2;
|
||||
int upper_limit;
|
||||
int lower_limit;
|
||||
const char *source;
|
||||
short int priority;
|
||||
short int winner;
|
||||
} option_t;
|
||||
|
||||
/* Values for flags */
|
||||
#define OPT_VALUE 0xff /* mask for presupplied value */
|
||||
#define OPT_HEX 0x100 /* int option is in hex */
|
||||
#define OPT_NOARG 0x200 /* option doesn't take argument */
|
||||
#define OPT_OR 0x400 /* OR in argument to value */
|
||||
#define OPT_INC 0x800 /* increment value */
|
||||
#define OPT_PRIV 0x1000 /* privileged option */
|
||||
#define OPT_STATIC 0x2000 /* string option goes into static array */
|
||||
#define OPT_LLIMIT 0x4000 /* check value against lower limit */
|
||||
#define OPT_ULIMIT 0x8000 /* check value against upper limit */
|
||||
#define OPT_LIMITS (OPT_LLIMIT|OPT_ULIMIT)
|
||||
#define OPT_ZEROOK 0x10000 /* 0 value is OK even if not within limits */
|
||||
#define OPT_HIDE 0x10000 /* for o_string, print value as ?????? */
|
||||
#define OPT_A2LIST 0x10000 /* for o_special, keep list of values */
|
||||
#define OPT_NOINCR 0x20000 /* value mustn't be increased */
|
||||
#define OPT_ZEROINF 0x40000 /* with OPT_NOINCR, 0 == infinity */
|
||||
#define OPT_PRIO 0x80000 /* process option priorities for this option */
|
||||
#define OPT_PRIOSUB 0x100000 /* subsidiary member of priority group */
|
||||
#define OPT_ALIAS 0x200000 /* option is alias for previous option */
|
||||
#define OPT_A2COPY 0x400000 /* addr2 -> second location to rcv value */
|
||||
#define OPT_ENABLE 0x800000 /* use *addr2 as enable for option */
|
||||
#define OPT_A2CLR 0x1000000 /* clear *(bool *)addr2 */
|
||||
#define OPT_PRIVFIX 0x2000000 /* user can't override if set by root */
|
||||
#define OPT_INITONLY 0x4000000 /* option can only be set in init phase */
|
||||
#define OPT_DEVEQUIV 0x8000000 /* equiv to device name */
|
||||
#define OPT_DEVNAM (OPT_INITONLY | OPT_DEVEQUIV)
|
||||
#define OPT_A2PRINTER 0x10000000 /* *addr2 is a fn for printing option */
|
||||
#define OPT_A2STRVAL 0x20000000 /* *addr2 points to current string value */
|
||||
#define OPT_NOPRINT 0x40000000 /* don't print this option at all */
|
||||
|
||||
#define OPT_VAL(x) ((x) & OPT_VALUE)
|
||||
|
||||
/* Values for priority */
|
||||
#define OPRIO_DEFAULT 0 /* a default value */
|
||||
#define OPRIO_CFGFILE 1 /* value from a configuration file */
|
||||
#define OPRIO_CMDLINE 2 /* value from the command line */
|
||||
#define OPRIO_SECFILE 3 /* value from options in a secrets file */
|
||||
#define OPRIO_ROOT 100 /* added to priority if OPT_PRIVFIX && root */
|
||||
|
||||
#ifndef GIDSET_TYPE
|
||||
#define GIDSET_TYPE gid_t
|
||||
#endif
|
||||
|
||||
/* Structure representing a list of permitted IP addresses. */
|
||||
struct permitted_ip {
|
||||
int permit; /* 1 = permit, 0 = forbid */
|
||||
u_int32_t base; /* match if (addr & mask) == base */
|
||||
u_int32_t mask; /* base and mask are in network byte order */
|
||||
};
|
||||
|
||||
/*
|
||||
* Unfortunately, the linux kernel driver uses a different structure
|
||||
* for statistics from the rest of the ports.
|
||||
* This structure serves as a common representation for the bits
|
||||
* pppd needs.
|
||||
*/
|
||||
struct pppd_stats {
|
||||
unsigned int bytes_in;
|
||||
unsigned int bytes_out;
|
||||
};
|
||||
|
||||
/* Used for storing a sequence of words. Usually malloced. */
|
||||
struct wordlist {
|
||||
struct wordlist *next;
|
||||
char *word;
|
||||
};
|
||||
|
||||
/* An endpoint discriminator, used with multilink. */
|
||||
#define MAX_ENDP_LEN 20 /* maximum length of discriminator value */
|
||||
struct epdisc {
|
||||
unsigned char class;
|
||||
unsigned char length;
|
||||
unsigned char value[MAX_ENDP_LEN];
|
||||
};
|
||||
|
||||
/* values for epdisc.class */
|
||||
#define EPD_NULL 0 /* null discriminator, no data */
|
||||
#define EPD_LOCAL 1
|
||||
#define EPD_IP 2
|
||||
#define EPD_MAC 3
|
||||
#define EPD_MAGIC 4
|
||||
#define EPD_PHONENUM 5
|
||||
|
||||
typedef void (*notify_func) __P((void *, int));
|
||||
|
||||
struct notifier {
|
||||
struct notifier *next;
|
||||
notify_func func;
|
||||
void *arg;
|
||||
};
|
||||
|
||||
/*
|
||||
* Global variables.
|
||||
*/
|
||||
|
||||
extern int hungup; /* Physical layer has disconnected */
|
||||
extern int ifunit; /* Interface unit number */
|
||||
extern char ifname[]; /* Interface name */
|
||||
extern char hostname[]; /* Our hostname */
|
||||
extern u_char outpacket_buf[]; /* Buffer for outgoing packets */
|
||||
extern int phase; /* Current state of link - see values below */
|
||||
extern int baud_rate; /* Current link speed in bits/sec */
|
||||
extern char *progname; /* Name of this program */
|
||||
extern int redirect_stderr;/* Connector's stderr should go to file */
|
||||
extern char peer_authname[];/* Authenticated name of peer */
|
||||
extern int privileged; /* We were run by real-uid root */
|
||||
extern int need_holdoff; /* Need holdoff period after link terminates */
|
||||
extern char **script_env; /* Environment variables for scripts */
|
||||
extern int detached; /* Have detached from controlling tty */
|
||||
extern GIDSET_TYPE groups[NGROUPS_MAX]; /* groups the user is in */
|
||||
extern int ngroups; /* How many groups valid in groups */
|
||||
extern struct pppd_stats link_stats; /* byte/packet counts etc. for link */
|
||||
extern int link_stats_valid; /* set if link_stats is valid */
|
||||
extern int link_connect_time; /* time the link was up for */
|
||||
extern int using_pty; /* using pty as device (notty or pty opt.) */
|
||||
extern int log_to_fd; /* logging to this fd as well as syslog */
|
||||
extern bool log_default; /* log_to_fd is default (stdout) */
|
||||
extern char *no_ppp_msg; /* message to print if ppp not in kernel */
|
||||
extern volatile int status; /* exit status for pppd */
|
||||
extern bool devnam_fixed; /* can no longer change devnam */
|
||||
extern int unsuccess; /* # unsuccessful connection attempts */
|
||||
extern int do_callback; /* set if we want to do callback next */
|
||||
extern int doing_callback; /* set if this is a callback */
|
||||
extern char ppp_devnam[MAXPATHLEN];
|
||||
extern struct notifier *pidchange; /* for notifications of pid changing */
|
||||
extern struct notifier *phasechange; /* for notifications of phase changes */
|
||||
extern struct notifier *exitnotify; /* for notification that we're exiting */
|
||||
extern struct notifier *sigreceived; /* notification of received signal */
|
||||
extern int listen_time; /* time to listen first (ms) */
|
||||
|
||||
/* Values for do_callback and doing_callback */
|
||||
#define CALLBACK_DIALIN 1 /* we are expecting the call back */
|
||||
#define CALLBACK_DIALOUT 2 /* we are dialling out to call back */
|
||||
|
||||
/*
|
||||
* Variables set by command-line options.
|
||||
*/
|
||||
|
||||
extern int debug; /* Debug flag */
|
||||
extern int kdebugflag; /* Tell kernel to print debug messages */
|
||||
extern int default_device; /* Using /dev/tty or equivalent */
|
||||
extern char devnam[MAXPATHLEN]; /* Device name */
|
||||
extern int crtscts; /* Use hardware flow control */
|
||||
extern bool modem; /* Use modem control lines */
|
||||
extern int inspeed; /* Input/Output speed requested */
|
||||
extern u_int32_t netmask; /* IP netmask to set on interface */
|
||||
extern bool lockflag; /* Create lock file to lock the serial dev */
|
||||
extern bool nodetach; /* Don't detach from controlling tty */
|
||||
extern bool updetach; /* Detach from controlling tty when link up */
|
||||
extern char *initializer; /* Script to initialize physical link */
|
||||
extern char *connect_script; /* Script to establish physical link */
|
||||
extern char *disconnect_script; /* Script to disestablish physical link */
|
||||
extern char *welcomer; /* Script to welcome client after connection */
|
||||
extern char *ptycommand; /* Command to run on other side of pty */
|
||||
extern int maxconnect; /* Maximum connect time (seconds) */
|
||||
extern char user[MAXNAMELEN];/* Our name for authenticating ourselves */
|
||||
extern char passwd[MAXSECRETLEN]; /* Password for PAP or CHAP */
|
||||
extern bool auth_required; /* Peer is required to authenticate */
|
||||
extern bool persist; /* Reopen link after it goes down */
|
||||
extern bool uselogin; /* Use /etc/passwd for checking PAP */
|
||||
extern char our_name[MAXNAMELEN];/* Our name for authentication purposes */
|
||||
extern char remote_name[MAXNAMELEN]; /* Peer's name for authentication */
|
||||
extern bool explicit_remote;/* remote_name specified with remotename opt */
|
||||
extern bool demand; /* Do dial-on-demand */
|
||||
extern char *ipparam; /* Extra parameter for ip up/down scripts */
|
||||
extern bool cryptpap; /* Others' PAP passwords are encrypted */
|
||||
extern int idle_time_limit;/* Shut down link if idle for this long */
|
||||
extern int holdoff; /* Dead time before restarting */
|
||||
extern bool holdoff_specified; /* true if user gave a holdoff value */
|
||||
extern bool notty; /* Stdin/out is not a tty */
|
||||
extern char *pty_socket; /* Socket to connect to pty */
|
||||
extern char *record_file; /* File to record chars sent/received */
|
||||
extern bool sync_serial; /* Device is synchronous serial device */
|
||||
extern int maxfail; /* Max # of unsuccessful connection attempts */
|
||||
extern char linkname[MAXPATHLEN]; /* logical name for link */
|
||||
extern bool tune_kernel; /* May alter kernel settings as necessary */
|
||||
extern int connect_delay; /* Time to delay after connect script */
|
||||
extern int max_data_rate; /* max bytes/sec through charshunt */
|
||||
extern int req_unit; /* interface unit number to use */
|
||||
extern bool multilink; /* enable multilink operation */
|
||||
extern bool noendpoint; /* don't send or accept endpt. discrim. */
|
||||
extern char *bundle_name; /* bundle name for multilink */
|
||||
extern bool dump_options; /* print out option values */
|
||||
extern bool dryrun; /* check everything, print options, exit */
|
||||
|
||||
#ifdef PPP_FILTER
|
||||
extern struct bpf_program pass_filter; /* Filter for pkts to pass */
|
||||
extern struct bpf_program active_filter; /* Filter for link-active pkts */
|
||||
#endif
|
||||
|
||||
#ifdef MSLANMAN
|
||||
extern bool ms_lanman; /* Use LanMan password instead of NT */
|
||||
/* Has meaning only with MS-CHAP challenges */
|
||||
#endif
|
||||
|
||||
extern char *current_option; /* the name of the option being parsed */
|
||||
extern int privileged_option; /* set iff the current option came from root */
|
||||
extern char *option_source; /* string saying where the option came from */
|
||||
extern int option_priority; /* priority of current options */
|
||||
|
||||
/*
|
||||
* Values for phase.
|
||||
*/
|
||||
#define PHASE_DEAD 0
|
||||
#define PHASE_INITIALIZE 1
|
||||
#define PHASE_SERIALCONN 2
|
||||
#define PHASE_DORMANT 3
|
||||
#define PHASE_ESTABLISH 4
|
||||
#define PHASE_AUTHENTICATE 5
|
||||
#define PHASE_CALLBACK 6
|
||||
#define PHASE_NETWORK 7
|
||||
#define PHASE_RUNNING 8
|
||||
#define PHASE_TERMINATE 9
|
||||
#define PHASE_DISCONNECT 10
|
||||
#define PHASE_HOLDOFF 11
|
||||
|
||||
/*
|
||||
* The following struct gives the addresses of procedures to call
|
||||
* for a particular protocol.
|
||||
*/
|
||||
struct protent {
|
||||
u_short protocol; /* PPP protocol number */
|
||||
/* Initialization procedure */
|
||||
void (*init) __P((int unit));
|
||||
/* Process a received packet */
|
||||
void (*input) __P((int unit, u_char *pkt, int len));
|
||||
/* Process a received protocol-reject */
|
||||
void (*protrej) __P((int unit));
|
||||
/* Lower layer has come up */
|
||||
void (*lowerup) __P((int unit));
|
||||
/* Lower layer has gone down */
|
||||
void (*lowerdown) __P((int unit));
|
||||
/* Open the protocol */
|
||||
void (*open) __P((int unit));
|
||||
/* Close the protocol */
|
||||
void (*close) __P((int unit, char *reason));
|
||||
/* Print a packet in readable form */
|
||||
int (*printpkt) __P((u_char *pkt, int len,
|
||||
void (*printer) __P((void *, char *, ...)),
|
||||
void *arg));
|
||||
/* Process a received data packet */
|
||||
void (*datainput) __P((int unit, u_char *pkt, int len));
|
||||
bool enabled_flag; /* 0 iff protocol is disabled */
|
||||
char *name; /* Text name of protocol */
|
||||
char *data_name; /* Text name of corresponding data protocol */
|
||||
option_t *options; /* List of command-line options */
|
||||
/* Check requested options, assign defaults */
|
||||
void (*check_options) __P((void));
|
||||
/* Configure interface for demand-dial */
|
||||
int (*demand_conf) __P((int unit));
|
||||
/* Say whether to bring up link for this pkt */
|
||||
int (*active_pkt) __P((u_char *pkt, int len));
|
||||
};
|
||||
|
||||
/* Table of pointers to supported protocols */
|
||||
extern struct protent *protocols[];
|
||||
|
||||
/*
|
||||
* This struct contains pointers to a set of procedures for
|
||||
* doing operations on a "channel". A channel provides a way
|
||||
* to send and receive PPP packets - the canonical example is
|
||||
* a serial port device in PPP line discipline (or equivalently
|
||||
* with PPP STREAMS modules pushed onto it).
|
||||
*/
|
||||
struct channel {
|
||||
/* set of options for this channel */
|
||||
option_t *options;
|
||||
/* find and process a per-channel options file */
|
||||
void (*process_extra_options) __P((void));
|
||||
/* check all the options that have been given */
|
||||
void (*check_options) __P((void));
|
||||
/* get the channel ready to do PPP, return a file descriptor */
|
||||
int (*connect) __P((void));
|
||||
/* we're finished doing PPP on the channel */
|
||||
void (*disconnect) __P((void));
|
||||
/* set the transmit-side PPP parameters of the channel */
|
||||
void (*send_config) __P((int, u_int32_t, int, int));
|
||||
/* set the receive-side PPP parameters of the channel */
|
||||
void (*recv_config) __P((int, u_int32_t, int, int));
|
||||
/* cleanup on error or normal exit */
|
||||
void (*cleanup) __P((void));
|
||||
/* close the device, called in children after fork */
|
||||
void (*close) __P((void));
|
||||
};
|
||||
|
||||
extern struct channel *the_channel;
|
||||
|
||||
#define ppp_send_config(unit, mtu, accm, pc, acc) \
|
||||
do { \
|
||||
if (the_channel->send_config) \
|
||||
(*the_channel->send_config)((mtu), (accm), (pc), (acc)); \
|
||||
} while (0)
|
||||
|
||||
#define ppp_recv_config(unit, mtu, accm, pc, acc) \
|
||||
do { \
|
||||
if (the_channel->send_config) \
|
||||
(*the_channel->recv_config)((mtu), (accm), (pc), (acc)); \
|
||||
} while (0)
|
||||
|
||||
/*
|
||||
* Prototypes.
|
||||
*/
|
||||
|
||||
/* Procedures exported from main.c. */
|
||||
void set_ifunit __P((int)); /* set stuff that depends on ifunit */
|
||||
void detach __P((void)); /* Detach from controlling tty */
|
||||
void die __P((int)); /* Cleanup and exit */
|
||||
void quit __P((void)); /* like die(1) */
|
||||
void novm __P((char *)); /* Say we ran out of memory, and die */
|
||||
void timeout __P((void (*func)(void *), void *arg, int s, int us));
|
||||
/* Call func(arg) after s.us seconds */
|
||||
void untimeout __P((void (*func)(void *), void *arg));
|
||||
/* Cancel call to func(arg) */
|
||||
void record_child __P((int, char *, void (*) (void *), void *));
|
||||
int device_script __P((char *cmd, int in, int out, int dont_wait));
|
||||
/* Run `cmd' with given stdin and stdout */
|
||||
pid_t run_program __P((char *prog, char **args, int must_exist,
|
||||
void (*done)(void *), void *arg));
|
||||
/* Run program prog with args in child */
|
||||
void reopen_log __P((void)); /* (re)open the connection to syslog */
|
||||
void update_link_stats __P((int)); /* Get stats at link termination */
|
||||
void script_setenv __P((char *, char *, int)); /* set script env var */
|
||||
void script_unsetenv __P((char *)); /* unset script env var */
|
||||
void new_phase __P((int)); /* signal start of new phase */
|
||||
void add_notifier __P((struct notifier **, notify_func, void *));
|
||||
void remove_notifier __P((struct notifier **, notify_func, void *));
|
||||
void notify __P((struct notifier *, int));
|
||||
|
||||
/* Procedures exported from tty.c. */
|
||||
void tty_init __P((void));
|
||||
|
||||
/* Procedures exported from utils.c. */
|
||||
void log_packet __P((u_char *, int, char *, int));
|
||||
/* Format a packet and log it with syslog */
|
||||
void print_string __P((char *, int, void (*) (void *, char *, ...),
|
||||
void *)); /* Format a string for output */
|
||||
int slprintf __P((char *, int, char *, ...)); /* sprintf++ */
|
||||
int vslprintf __P((char *, int, char *, va_list)); /* vsprintf++ */
|
||||
size_t strlcpy __P((char *, const char *, size_t)); /* safe strcpy */
|
||||
size_t strlcat __P((char *, const char *, size_t)); /* safe strncpy */
|
||||
void dbglog __P((char *, ...)); /* log a debug message */
|
||||
void info __P((char *, ...)); /* log an informational message */
|
||||
void notice __P((char *, ...)); /* log a notice-level message */
|
||||
void warn __P((char *, ...)); /* log a warning message */
|
||||
void error __P((char *, ...)); /* log an error message */
|
||||
void fatal __P((char *, ...)); /* log an error message and die(1) */
|
||||
void init_pr_log __P((char *, int)); /* initialize for using pr_log */
|
||||
void pr_log __P((void *, char *, ...)); /* printer fn, output to syslog */
|
||||
void end_pr_log __P((void)); /* finish up after using pr_log */
|
||||
|
||||
/* Procedures exported from auth.c */
|
||||
void link_required __P((int)); /* we are starting to use the link */
|
||||
void link_terminated __P((int)); /* we are finished with the link */
|
||||
void link_down __P((int)); /* the LCP layer has left the Opened state */
|
||||
void link_established __P((int)); /* the link is up; authenticate now */
|
||||
void start_networks __P((void)); /* start all the network control protos */
|
||||
void np_up __P((int, int)); /* a network protocol has come up */
|
||||
void np_down __P((int, int)); /* a network protocol has gone down */
|
||||
void np_finished __P((int, int)); /* a network protocol no longer needs link */
|
||||
void auth_peer_fail __P((int, int));
|
||||
/* peer failed to authenticate itself */
|
||||
void auth_peer_success __P((int, int, char *, int));
|
||||
/* peer successfully authenticated itself */
|
||||
void auth_withpeer_fail __P((int, int));
|
||||
/* we failed to authenticate ourselves */
|
||||
void auth_withpeer_success __P((int, int));
|
||||
/* we successfully authenticated ourselves */
|
||||
void auth_check_options __P((void));
|
||||
/* check authentication options supplied */
|
||||
void auth_reset __P((int)); /* check what secrets we have */
|
||||
int check_passwd __P((int, char *, int, char *, int, char **));
|
||||
/* Check peer-supplied username/password */
|
||||
int get_secret __P((int, char *, char *, char *, int *, int));
|
||||
/* get "secret" for chap */
|
||||
int auth_ip_addr __P((int, u_int32_t));
|
||||
/* check if IP address is authorized */
|
||||
int bad_ip_adrs __P((u_int32_t));
|
||||
/* check if IP address is unreasonable */
|
||||
|
||||
/* Procedures exported from demand.c */
|
||||
void demand_conf __P((void)); /* config interface(s) for demand-dial */
|
||||
void demand_block __P((void)); /* set all NPs to queue up packets */
|
||||
void demand_unblock __P((void)); /* set all NPs to pass packets */
|
||||
void demand_discard __P((void)); /* set all NPs to discard packets */
|
||||
void demand_rexmit __P((int)); /* retransmit saved frames for an NP */
|
||||
int loop_chars __P((unsigned char *, int)); /* process chars from loopback */
|
||||
int loop_frame __P((unsigned char *, int)); /* should we bring link up? */
|
||||
|
||||
/* Procedures exported from multilink.c */
|
||||
void mp_check_options __P((void)); /* Check multilink-related options */
|
||||
int mp_join_bundle __P((void)); /* join our link to an appropriate bundle */
|
||||
char *epdisc_to_str __P((struct epdisc *)); /* string from endpoint discrim. */
|
||||
int str_to_epdisc __P((struct epdisc *, char *)); /* endpt disc. from str */
|
||||
|
||||
/* Procedures exported from sys-*.c */
|
||||
void sys_init __P((void)); /* Do system-dependent initialization */
|
||||
void sys_cleanup __P((void)); /* Restore system state before exiting */
|
||||
int sys_check_options __P((void)); /* Check options specified */
|
||||
void sys_close __P((void)); /* Clean up in a child before execing */
|
||||
int ppp_available __P((void)); /* Test whether ppp kernel support exists */
|
||||
int get_pty __P((int *, int *, char *, int)); /* Get pty master/slave */
|
||||
int open_ppp_loopback __P((void)); /* Open loopback for demand-dialling */
|
||||
int establish_ppp __P((int)); /* Turn serial port into a ppp interface */
|
||||
void restore_loop __P((void)); /* Transfer ppp unit back to loopback */
|
||||
void disestablish_ppp __P((int)); /* Restore port to normal operation */
|
||||
void make_new_bundle __P((int, int, int, int)); /* Create new bundle */
|
||||
int bundle_attach __P((int)); /* Attach link to existing bundle */
|
||||
void cfg_bundle __P((int, int, int, int)); /* Configure existing bundle */
|
||||
void clean_check __P((void)); /* Check if line was 8-bit clean */
|
||||
void set_up_tty __P((int, int)); /* Set up port's speed, parameters, etc. */
|
||||
void restore_tty __P((int)); /* Restore port's original parameters */
|
||||
void setdtr __P((int, int)); /* Raise or lower port's DTR line */
|
||||
void output __P((int, u_char *, int)); /* Output a PPP packet */
|
||||
void wait_input __P((struct timeval *));
|
||||
/* Wait for input, with timeout */
|
||||
void add_fd __P((int)); /* Add fd to set to wait for */
|
||||
void remove_fd __P((int)); /* Remove fd from set to wait for */
|
||||
int read_packet __P((u_char *)); /* Read PPP packet */
|
||||
int get_loop_output __P((void)); /* Read pkts from loopback */
|
||||
void tty_send_config __P((int, u_int32_t, int, int));
|
||||
/* Configure i/f transmit parameters */
|
||||
void tty_set_xaccm __P((ext_accm));
|
||||
/* Set extended transmit ACCM */
|
||||
void tty_recv_config __P((int, u_int32_t, int, int));
|
||||
/* Configure i/f receive parameters */
|
||||
int ccp_test __P((int, u_char *, int, int));
|
||||
/* Test support for compression scheme */
|
||||
void ccp_flags_set __P((int, int, int));
|
||||
/* Set kernel CCP state */
|
||||
int ccp_fatal_error __P((int)); /* Test for fatal decomp error in kernel */
|
||||
int get_idle_time __P((int, struct ppp_idle *));
|
||||
/* Find out how long link has been idle */
|
||||
int get_ppp_stats __P((int, struct pppd_stats *));
|
||||
/* Return link statistics */
|
||||
void netif_set_mtu __P((int, int)); /* Set PPP interface MTU */
|
||||
int sifvjcomp __P((int, int, int, int));
|
||||
/* Configure VJ TCP header compression */
|
||||
int sifup __P((int)); /* Configure i/f up for one protocol */
|
||||
int sifnpmode __P((int u, int proto, enum NPmode mode));
|
||||
/* Set mode for handling packets for proto */
|
||||
int sifdown __P((int)); /* Configure i/f down for one protocol */
|
||||
int sifaddr __P((int, u_int32_t, u_int32_t, u_int32_t));
|
||||
/* Configure IPv4 addresses for i/f */
|
||||
int cifaddr __P((int, u_int32_t, u_int32_t));
|
||||
/* Reset i/f IP addresses */
|
||||
#ifdef INET6
|
||||
int sif6addr __P((int, eui64_t, eui64_t));
|
||||
/* Configure IPv6 addresses for i/f */
|
||||
int cif6addr __P((int, eui64_t, eui64_t));
|
||||
/* Remove an IPv6 address from i/f */
|
||||
#endif
|
||||
int sifdefaultroute __P((int, u_int32_t, u_int32_t));
|
||||
/* Create default route through i/f */
|
||||
int cifdefaultroute __P((int, u_int32_t, u_int32_t));
|
||||
/* Delete default route through i/f */
|
||||
int sifproxyarp __P((int, u_int32_t));
|
||||
/* Add proxy ARP entry for peer */
|
||||
int cifproxyarp __P((int, u_int32_t));
|
||||
/* Delete proxy ARP entry for peer */
|
||||
u_int32_t GetMask __P((u_int32_t)); /* Get appropriate netmask for address */
|
||||
int lock __P((char *)); /* Create lock file for device */
|
||||
int relock __P((int)); /* Rewrite lock file with new pid */
|
||||
void unlock __P((void)); /* Delete previously-created lock file */
|
||||
void logwtmp __P((const char *, const char *, const char *));
|
||||
/* Write entry to wtmp file */
|
||||
int get_host_seed __P((void)); /* Get host-dependent random number seed */
|
||||
int have_route_to __P((u_int32_t)); /* Check if route to addr exists */
|
||||
#ifdef PPP_FILTER
|
||||
int set_filters __P((struct bpf_program *pass, struct bpf_program *active));
|
||||
/* Set filter programs in kernel */
|
||||
#endif
|
||||
#ifdef IPX_CHANGE
|
||||
int sipxfaddr __P((int, unsigned long, unsigned char *));
|
||||
int cipxfaddr __P((int));
|
||||
#endif
|
||||
int get_if_hwaddr __P((u_char *addr, char *name));
|
||||
char *get_first_ethernet __P((void));
|
||||
|
||||
/* Procedures exported from options.c */
|
||||
int parse_args __P((int argc, char **argv));
|
||||
/* Parse options from arguments given */
|
||||
int options_from_file __P((char *filename, int must_exist, int check_prot,
|
||||
int privileged));
|
||||
/* Parse options from an options file */
|
||||
int options_from_user __P((void)); /* Parse options from user's .ppprc */
|
||||
int options_for_tty __P((void)); /* Parse options from /etc/ppp/options.tty */
|
||||
int options_from_list __P((struct wordlist *, int privileged));
|
||||
/* Parse options from a wordlist */
|
||||
int getword __P((FILE *f, char *word, int *newlinep, char *filename));
|
||||
/* Read a word from a file */
|
||||
void option_error __P((char *fmt, ...));
|
||||
/* Print an error message about an option */
|
||||
int int_option __P((char *, int *));
|
||||
/* Simplified number_option for decimal ints */
|
||||
void add_options __P((option_t *)); /* Add extra options */
|
||||
void check_options __P((void)); /* check values after all options parsed */
|
||||
int override_value __P((const char *, int, const char *));
|
||||
/* override value if permitted by priority */
|
||||
void print_options __P((void (*) __P((void *, char *, ...)), void *));
|
||||
/* print out values of all options */
|
||||
|
||||
int parse_dotted_ip __P((char *, u_int32_t *));
|
||||
|
||||
/*
|
||||
* Hooks to enable plugins to change various things.
|
||||
*/
|
||||
extern int (*new_phase_hook) __P((int));
|
||||
extern int (*idle_time_hook) __P((struct ppp_idle *));
|
||||
extern int (*holdoff_hook) __P((void));
|
||||
extern int (*pap_check_hook) __P((void));
|
||||
extern int (*pap_auth_hook) __P((char *user, char *passwd, char **msgp,
|
||||
struct wordlist **paddrs,
|
||||
struct wordlist **popts));
|
||||
extern void (*pap_logout_hook) __P((void));
|
||||
extern int (*pap_passwd_hook) __P((char *user, char *passwd));
|
||||
extern void (*ip_up_hook) __P((void));
|
||||
extern void (*ip_down_hook) __P((void));
|
||||
extern void (*ip_choose_hook) __P((u_int32_t *));
|
||||
|
||||
/*
|
||||
* Inline versions of get/put char/short/long.
|
||||
* Pointer is advanced; we assume that both arguments
|
||||
* are lvalues and will already be in registers.
|
||||
* cp MUST be u_char *.
|
||||
*/
|
||||
#define GETCHAR(c, cp) { \
|
||||
(c) = *(cp)++; \
|
||||
}
|
||||
#define PUTCHAR(c, cp) { \
|
||||
*(cp)++ = (u_char) (c); \
|
||||
}
|
||||
|
||||
|
||||
#define GETSHORT(s, cp) { \
|
||||
(s) = *(cp)++ << 8; \
|
||||
(s) |= *(cp)++; \
|
||||
}
|
||||
#define PUTSHORT(s, cp) { \
|
||||
*(cp)++ = (u_char) ((s) >> 8); \
|
||||
*(cp)++ = (u_char) (s); \
|
||||
}
|
||||
|
||||
#define GETLONG(l, cp) { \
|
||||
(l) = *(cp)++ << 8; \
|
||||
(l) |= *(cp)++; (l) <<= 8; \
|
||||
(l) |= *(cp)++; (l) <<= 8; \
|
||||
(l) |= *(cp)++; \
|
||||
}
|
||||
#define PUTLONG(l, cp) { \
|
||||
*(cp)++ = (u_char) ((l) >> 24); \
|
||||
*(cp)++ = (u_char) ((l) >> 16); \
|
||||
*(cp)++ = (u_char) ((l) >> 8); \
|
||||
*(cp)++ = (u_char) (l); \
|
||||
}
|
||||
|
||||
#define INCPTR(n, cp) ((cp) += (n))
|
||||
#define DECPTR(n, cp) ((cp) -= (n))
|
||||
|
||||
/*
|
||||
* System dependent definitions for user-level 4.3BSD UNIX implementation.
|
||||
*/
|
||||
|
||||
#define TIMEOUT(r, f, t) timeout((r), (f), (t), 0)
|
||||
#define UNTIMEOUT(r, f) untimeout((r), (f))
|
||||
|
||||
#define BCOPY(s, d, l) memcpy(d, s, l)
|
||||
#define BZERO(s, n) memset(s, 0, n)
|
||||
|
||||
#define PRINTMSG(m, l) { info("Remote message: %0.*v", l, m); }
|
||||
|
||||
/*
|
||||
* MAKEHEADER - Add Header fields to a packet.
|
||||
*/
|
||||
#define MAKEHEADER(p, t) { \
|
||||
PUTCHAR(PPP_ALLSTATIONS, p); \
|
||||
PUTCHAR(PPP_UI, p); \
|
||||
PUTSHORT(t, p); }
|
||||
|
||||
/*
|
||||
* Exit status values.
|
||||
*/
|
||||
#define EXIT_OK 0
|
||||
#define EXIT_FATAL_ERROR 1
|
||||
#define EXIT_OPTION_ERROR 2
|
||||
#define EXIT_NOT_ROOT 3
|
||||
#define EXIT_NO_KERNEL_SUPPORT 4
|
||||
#define EXIT_USER_REQUEST 5
|
||||
#define EXIT_LOCK_FAILED 6
|
||||
#define EXIT_OPEN_FAILED 7
|
||||
#define EXIT_CONNECT_FAILED 8
|
||||
#define EXIT_PTYCMD_FAILED 9
|
||||
#define EXIT_NEGOTIATION_FAILED 10
|
||||
#define EXIT_PEER_AUTH_FAILED 11
|
||||
#define EXIT_IDLE_TIMEOUT 12
|
||||
#define EXIT_CONNECT_TIME 13
|
||||
#define EXIT_CALLBACK 14
|
||||
#define EXIT_PEER_DEAD 15
|
||||
#define EXIT_HANGUP 16
|
||||
#define EXIT_LOOPBACK 17
|
||||
#define EXIT_INIT_FAILED 18
|
||||
#define EXIT_AUTH_TOPEER_FAILED 19
|
||||
|
||||
/*
|
||||
* Debug macros. Slightly useful for finding bugs in pppd, not particularly
|
||||
* useful for finding out why your connection isn't being established.
|
||||
*/
|
||||
#ifdef DEBUGALL
|
||||
#define DEBUGMAIN 1
|
||||
#define DEBUGFSM 1
|
||||
#define DEBUGLCP 1
|
||||
#define DEBUGIPCP 1
|
||||
#define DEBUGIPV6CP 1
|
||||
#define DEBUGUPAP 1
|
||||
#define DEBUGCHAP 1
|
||||
#endif
|
||||
|
||||
#ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */
|
||||
#if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUGSYS) \
|
||||
|| defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \
|
||||
|| defined(DEBUGCHAP) || defined(DEBUG) || defined(DEBUGIPV6CP)
|
||||
#define LOG_PPP LOG_LOCAL2
|
||||
#else
|
||||
#define LOG_PPP LOG_DAEMON
|
||||
#endif
|
||||
#endif /* LOG_PPP */
|
||||
|
||||
#ifdef DEBUGMAIN
|
||||
#define MAINDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define MAINDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGSYS
|
||||
#define SYSDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define SYSDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGFSM
|
||||
#define FSMDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define FSMDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGLCP
|
||||
#define LCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define LCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPCP
|
||||
#define IPCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPV6CP
|
||||
#define IPV6CPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPV6CPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGUPAP
|
||||
#define UPAPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define UPAPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGCHAP
|
||||
#define CHAPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define CHAPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPXCP
|
||||
#define IPXCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPXCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifndef SIGTYPE
|
||||
#if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE)
|
||||
#define SIGTYPE void
|
||||
#else
|
||||
#define SIGTYPE int
|
||||
#endif /* defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) */
|
||||
#endif /* SIGTYPE */
|
||||
|
||||
#ifndef MIN
|
||||
#define MIN(a, b) ((a) < (b)? (a): (b))
|
||||
#endif
|
||||
#ifndef MAX
|
||||
#define MAX(a, b) ((a) > (b)? (a): (b))
|
||||
#endif
|
||||
|
||||
#endif /* __PPP_H__ */
|
|
@ -1,14 +0,0 @@
|
|||
# Makefile for the capiplugin for pppd(8).
|
||||
#
|
||||
# Copyright 2000 Carsten Paeth (calle@calle.in-berlin.de)
|
||||
# Copyright 2000 AVM GmbH Berlin (info@avm.de)
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License
|
||||
# as published by the Free Software Foundation; either version
|
||||
# 2 of the License, or (at your option) any later version.
|
||||
|
||||
PLUGINDIR=${DESTDIR}/usr/lib/pppd/$(PPPVERSION)
|
||||
|
||||
include $(TOPDIR)/Rules.make
|
||||
|
|
@ -1,4 +0,0 @@
|
|||
/* $Id: patchlevel.h,v 1.1 2001/05/03 09:00:52 calle Exp $ */
|
||||
|
||||
#define VERSION "2.4.1b2"
|
||||
#define DATE "13 March 2001"
|
|
@ -1,789 +0,0 @@
|
|||
/*
|
||||
* pppd.h - PPP daemon global declarations.
|
||||
*
|
||||
* Copyright (c) 1989 Carnegie Mellon University.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms are permitted
|
||||
* provided that the above copyright notice and this paragraph are
|
||||
* duplicated in all such forms and that any documentation,
|
||||
* advertising materials, and other materials related to such
|
||||
* distribution and use acknowledge that the software was developed
|
||||
* by Carnegie Mellon University. The name of the
|
||||
* University may not be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
||||
*
|
||||
* $Id: pppd.h,v 1.2 2001/05/03 09:00:52 calle Exp $
|
||||
*/
|
||||
|
||||
/*
|
||||
* TODO:
|
||||
*/
|
||||
|
||||
#ifndef __PPPD_H__
|
||||
#define __PPPD_H__
|
||||
|
||||
#include <stdio.h> /* for FILE */
|
||||
#include <limits.h> /* for NGROUPS_MAX */
|
||||
#include <sys/param.h> /* for MAXPATHLEN and BSD4_4, if defined */
|
||||
#include <sys/types.h> /* for u_int32_t, if defined */
|
||||
#include <sys/time.h> /* for struct timeval */
|
||||
#include <net/ppp_defs.h>
|
||||
#include "patchlevel.h"
|
||||
|
||||
#if defined(__STDC__)
|
||||
#include <stdarg.h>
|
||||
#define __V(x) x
|
||||
#else
|
||||
#include <varargs.h>
|
||||
#define __V(x) (va_alist) va_dcl
|
||||
#define const
|
||||
#define volatile
|
||||
#endif
|
||||
|
||||
#ifdef INET6
|
||||
#include "eui64.h"
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Limits.
|
||||
*/
|
||||
|
||||
#define NUM_PPP 1 /* One PPP interface supported (per process) */
|
||||
#define MAXWORDLEN 1024 /* max length of word in file (incl null) */
|
||||
#define MAXARGS 1 /* max # args to a command */
|
||||
#define MAXNAMELEN 256 /* max length of hostname or name for auth */
|
||||
#define MAXSECRETLEN 256 /* max length of password or secret */
|
||||
|
||||
/*
|
||||
* Option descriptor structure.
|
||||
*/
|
||||
|
||||
typedef unsigned char bool;
|
||||
|
||||
enum opt_type {
|
||||
o_special_noarg = 0,
|
||||
o_special = 1,
|
||||
o_bool,
|
||||
o_int,
|
||||
o_uint32,
|
||||
o_string,
|
||||
o_wild,
|
||||
};
|
||||
|
||||
typedef struct {
|
||||
char *name; /* name of the option */
|
||||
enum opt_type type;
|
||||
void *addr;
|
||||
char *description;
|
||||
int flags;
|
||||
void *addr2;
|
||||
int upper_limit;
|
||||
int lower_limit;
|
||||
const char *source;
|
||||
short int priority;
|
||||
short int winner;
|
||||
} option_t;
|
||||
|
||||
/* Values for flags */
|
||||
#define OPT_VALUE 0xff /* mask for presupplied value */
|
||||
#define OPT_HEX 0x100 /* int option is in hex */
|
||||
#define OPT_NOARG 0x200 /* option doesn't take argument */
|
||||
#define OPT_OR 0x400 /* OR in argument to value */
|
||||
#define OPT_INC 0x800 /* increment value */
|
||||
#define OPT_PRIV 0x1000 /* privileged option */
|
||||
#define OPT_STATIC 0x2000 /* string option goes into static array */
|
||||
#define OPT_LLIMIT 0x4000 /* check value against lower limit */
|
||||
#define OPT_ULIMIT 0x8000 /* check value against upper limit */
|
||||
#define OPT_LIMITS (OPT_LLIMIT|OPT_ULIMIT)
|
||||
#define OPT_ZEROOK 0x10000 /* 0 value is OK even if not within limits */
|
||||
#define OPT_HIDE 0x10000 /* for o_string, print value as ?????? */
|
||||
#define OPT_A2LIST 0x10000 /* for o_special, keep list of values */
|
||||
#define OPT_NOINCR 0x20000 /* value mustn't be increased */
|
||||
#define OPT_ZEROINF 0x40000 /* with OPT_NOINCR, 0 == infinity */
|
||||
#define OPT_PRIO 0x80000 /* process option priorities for this option */
|
||||
#define OPT_PRIOSUB 0x100000 /* subsidiary member of priority group */
|
||||
#define OPT_ALIAS 0x200000 /* option is alias for previous option */
|
||||
#define OPT_A2COPY 0x400000 /* addr2 -> second location to rcv value */
|
||||
#define OPT_ENABLE 0x800000 /* use *addr2 as enable for option */
|
||||
#define OPT_A2CLR 0x1000000 /* clear *(bool *)addr2 */
|
||||
#define OPT_PRIVFIX 0x2000000 /* user can't override if set by root */
|
||||
#define OPT_INITONLY 0x4000000 /* option can only be set in init phase */
|
||||
#define OPT_DEVEQUIV 0x8000000 /* equiv to device name */
|
||||
#define OPT_DEVNAM (OPT_INITONLY | OPT_DEVEQUIV)
|
||||
#define OPT_A2PRINTER 0x10000000 /* *addr2 is a fn for printing option */
|
||||
#define OPT_A2STRVAL 0x20000000 /* *addr2 points to current string value */
|
||||
#define OPT_NOPRINT 0x40000000 /* don't print this option at all */
|
||||
|
||||
#define OPT_VAL(x) ((x) & OPT_VALUE)
|
||||
|
||||
/* Values for priority */
|
||||
#define OPRIO_DEFAULT 0 /* a default value */
|
||||
#define OPRIO_CFGFILE 1 /* value from a configuration file */
|
||||
#define OPRIO_CMDLINE 2 /* value from the command line */
|
||||
#define OPRIO_SECFILE 3 /* value from options in a secrets file */
|
||||
#define OPRIO_ROOT 100 /* added to priority if OPT_PRIVFIX && root */
|
||||
|
||||
#ifndef GIDSET_TYPE
|
||||
#define GIDSET_TYPE gid_t
|
||||
#endif
|
||||
|
||||
/* Structure representing a list of permitted IP addresses. */
|
||||
struct permitted_ip {
|
||||
int permit; /* 1 = permit, 0 = forbid */
|
||||
u_int32_t base; /* match if (addr & mask) == base */
|
||||
u_int32_t mask; /* base and mask are in network byte order */
|
||||
};
|
||||
|
||||
/*
|
||||
* Unfortunately, the linux kernel driver uses a different structure
|
||||
* for statistics from the rest of the ports.
|
||||
* This structure serves as a common representation for the bits
|
||||
* pppd needs.
|
||||
*/
|
||||
struct pppd_stats {
|
||||
unsigned int bytes_in;
|
||||
unsigned int bytes_out;
|
||||
};
|
||||
|
||||
/* Used for storing a sequence of words. Usually malloced. */
|
||||
struct wordlist {
|
||||
struct wordlist *next;
|
||||
char *word;
|
||||
};
|
||||
|
||||
/* An endpoint discriminator, used with multilink. */
|
||||
#define MAX_ENDP_LEN 20 /* maximum length of discriminator value */
|
||||
struct epdisc {
|
||||
unsigned char class;
|
||||
unsigned char length;
|
||||
unsigned char value[MAX_ENDP_LEN];
|
||||
};
|
||||
|
||||
/* values for epdisc.class */
|
||||
#define EPD_NULL 0 /* null discriminator, no data */
|
||||
#define EPD_LOCAL 1
|
||||
#define EPD_IP 2
|
||||
#define EPD_MAC 3
|
||||
#define EPD_MAGIC 4
|
||||
#define EPD_PHONENUM 5
|
||||
|
||||
typedef void (*notify_func) __P((void *, int));
|
||||
|
||||
struct notifier {
|
||||
struct notifier *next;
|
||||
notify_func func;
|
||||
void *arg;
|
||||
};
|
||||
|
||||
/*
|
||||
* Global variables.
|
||||
*/
|
||||
|
||||
extern int hungup; /* Physical layer has disconnected */
|
||||
extern int ifunit; /* Interface unit number */
|
||||
extern char ifname[]; /* Interface name */
|
||||
extern char hostname[]; /* Our hostname */
|
||||
extern u_char outpacket_buf[]; /* Buffer for outgoing packets */
|
||||
extern int phase; /* Current state of link - see values below */
|
||||
extern int baud_rate; /* Current link speed in bits/sec */
|
||||
extern char *progname; /* Name of this program */
|
||||
extern int redirect_stderr;/* Connector's stderr should go to file */
|
||||
extern char peer_authname[];/* Authenticated name of peer */
|
||||
extern int privileged; /* We were run by real-uid root */
|
||||
extern int need_holdoff; /* Need holdoff period after link terminates */
|
||||
extern char **script_env; /* Environment variables for scripts */
|
||||
extern int detached; /* Have detached from controlling tty */
|
||||
extern GIDSET_TYPE groups[NGROUPS_MAX]; /* groups the user is in */
|
||||
extern int ngroups; /* How many groups valid in groups */
|
||||
extern struct pppd_stats link_stats; /* byte/packet counts etc. for link */
|
||||
extern int link_stats_valid; /* set if link_stats is valid */
|
||||
extern int link_connect_time; /* time the link was up for */
|
||||
extern int using_pty; /* using pty as device (notty or pty opt.) */
|
||||
extern int log_to_fd; /* logging to this fd as well as syslog */
|
||||
extern bool log_default; /* log_to_fd is default (stdout) */
|
||||
extern char *no_ppp_msg; /* message to print if ppp not in kernel */
|
||||
extern volatile int status; /* exit status for pppd */
|
||||
extern bool devnam_fixed; /* can no longer change devnam */
|
||||
extern int unsuccess; /* # unsuccessful connection attempts */
|
||||
extern int do_callback; /* set if we want to do callback next */
|
||||
extern int doing_callback; /* set if this is a callback */
|
||||
extern char ppp_devnam[MAXPATHLEN];
|
||||
extern struct notifier *pidchange; /* for notifications of pid changing */
|
||||
extern struct notifier *phasechange; /* for notifications of phase changes */
|
||||
extern struct notifier *exitnotify; /* for notification that we're exiting */
|
||||
extern struct notifier *sigreceived; /* notification of received signal */
|
||||
extern int listen_time; /* time to listen first (ms) */
|
||||
|
||||
/* Values for do_callback and doing_callback */
|
||||
#define CALLBACK_DIALIN 1 /* we are expecting the call back */
|
||||
#define CALLBACK_DIALOUT 2 /* we are dialling out to call back */
|
||||
|
||||
/*
|
||||
* Variables set by command-line options.
|
||||
*/
|
||||
|
||||
extern int debug; /* Debug flag */
|
||||
extern int kdebugflag; /* Tell kernel to print debug messages */
|
||||
extern int default_device; /* Using /dev/tty or equivalent */
|
||||
extern char devnam[MAXPATHLEN]; /* Device name */
|
||||
extern int crtscts; /* Use hardware flow control */
|
||||
extern bool modem; /* Use modem control lines */
|
||||
extern int inspeed; /* Input/Output speed requested */
|
||||
extern u_int32_t netmask; /* IP netmask to set on interface */
|
||||
extern bool lockflag; /* Create lock file to lock the serial dev */
|
||||
extern bool nodetach; /* Don't detach from controlling tty */
|
||||
extern bool updetach; /* Detach from controlling tty when link up */
|
||||
extern char *initializer; /* Script to initialize physical link */
|
||||
extern char *connect_script; /* Script to establish physical link */
|
||||
extern char *disconnect_script; /* Script to disestablish physical link */
|
||||
extern char *welcomer; /* Script to welcome client after connection */
|
||||
extern char *ptycommand; /* Command to run on other side of pty */
|
||||
extern int maxconnect; /* Maximum connect time (seconds) */
|
||||
extern char user[MAXNAMELEN];/* Our name for authenticating ourselves */
|
||||
extern char passwd[MAXSECRETLEN]; /* Password for PAP or CHAP */
|
||||
extern bool auth_required; /* Peer is required to authenticate */
|
||||
extern bool persist; /* Reopen link after it goes down */
|
||||
extern bool uselogin; /* Use /etc/passwd for checking PAP */
|
||||
extern char our_name[MAXNAMELEN];/* Our name for authentication purposes */
|
||||
extern char remote_name[MAXNAMELEN]; /* Peer's name for authentication */
|
||||
extern bool explicit_remote;/* remote_name specified with remotename opt */
|
||||
extern bool demand; /* Do dial-on-demand */
|
||||
extern char *ipparam; /* Extra parameter for ip up/down scripts */
|
||||
extern bool cryptpap; /* Others' PAP passwords are encrypted */
|
||||
extern int idle_time_limit;/* Shut down link if idle for this long */
|
||||
extern int holdoff; /* Dead time before restarting */
|
||||
extern bool holdoff_specified; /* true if user gave a holdoff value */
|
||||
extern bool notty; /* Stdin/out is not a tty */
|
||||
extern char *pty_socket; /* Socket to connect to pty */
|
||||
extern char *record_file; /* File to record chars sent/received */
|
||||
extern bool sync_serial; /* Device is synchronous serial device */
|
||||
extern int maxfail; /* Max # of unsuccessful connection attempts */
|
||||
extern char linkname[MAXPATHLEN]; /* logical name for link */
|
||||
extern bool tune_kernel; /* May alter kernel settings as necessary */
|
||||
extern int connect_delay; /* Time to delay after connect script */
|
||||
extern int max_data_rate; /* max bytes/sec through charshunt */
|
||||
extern int req_unit; /* interface unit number to use */
|
||||
extern bool multilink; /* enable multilink operation */
|
||||
extern bool noendpoint; /* don't send or accept endpt. discrim. */
|
||||
extern char *bundle_name; /* bundle name for multilink */
|
||||
extern bool dump_options; /* print out option values */
|
||||
extern bool dryrun; /* check everything, print options, exit */
|
||||
|
||||
#ifdef PPP_FILTER
|
||||
extern struct bpf_program pass_filter; /* Filter for pkts to pass */
|
||||
extern struct bpf_program active_filter; /* Filter for link-active pkts */
|
||||
#endif
|
||||
|
||||
#ifdef MSLANMAN
|
||||
extern bool ms_lanman; /* Use LanMan password instead of NT */
|
||||
/* Has meaning only with MS-CHAP challenges */
|
||||
#endif
|
||||
|
||||
extern char *current_option; /* the name of the option being parsed */
|
||||
extern int privileged_option; /* set iff the current option came from root */
|
||||
extern char *option_source; /* string saying where the option came from */
|
||||
extern int option_priority; /* priority of current options */
|
||||
|
||||
/*
|
||||
* Values for phase.
|
||||
*/
|
||||
#define PHASE_DEAD 0
|
||||
#define PHASE_INITIALIZE 1
|
||||
#define PHASE_SERIALCONN 2
|
||||
#define PHASE_DORMANT 3
|
||||
#define PHASE_ESTABLISH 4
|
||||
#define PHASE_AUTHENTICATE 5
|
||||
#define PHASE_CALLBACK 6
|
||||
#define PHASE_NETWORK 7
|
||||
#define PHASE_RUNNING 8
|
||||
#define PHASE_TERMINATE 9
|
||||
#define PHASE_DISCONNECT 10
|
||||
#define PHASE_HOLDOFF 11
|
||||
|
||||
/*
|
||||
* The following struct gives the addresses of procedures to call
|
||||
* for a particular protocol.
|
||||
*/
|
||||
struct protent {
|
||||
u_short protocol; /* PPP protocol number */
|
||||
/* Initialization procedure */
|
||||
void (*init) __P((int unit));
|
||||
/* Process a received packet */
|
||||
void (*input) __P((int unit, u_char *pkt, int len));
|
||||
/* Process a received protocol-reject */
|
||||
void (*protrej) __P((int unit));
|
||||
/* Lower layer has come up */
|
||||
void (*lowerup) __P((int unit));
|
||||
/* Lower layer has gone down */
|
||||
void (*lowerdown) __P((int unit));
|
||||
/* Open the protocol */
|
||||
void (*open) __P((int unit));
|
||||
/* Close the protocol */
|
||||
void (*close) __P((int unit, char *reason));
|
||||
/* Print a packet in readable form */
|
||||
int (*printpkt) __P((u_char *pkt, int len,
|
||||
void (*printer) __P((void *, char *, ...)),
|
||||
void *arg));
|
||||
/* Process a received data packet */
|
||||
void (*datainput) __P((int unit, u_char *pkt, int len));
|
||||
bool enabled_flag; /* 0 iff protocol is disabled */
|
||||
char *name; /* Text name of protocol */
|
||||
char *data_name; /* Text name of corresponding data protocol */
|
||||
option_t *options; /* List of command-line options */
|
||||
/* Check requested options, assign defaults */
|
||||
void (*check_options) __P((void));
|
||||
/* Configure interface for demand-dial */
|
||||
int (*demand_conf) __P((int unit));
|
||||
/* Say whether to bring up link for this pkt */
|
||||
int (*active_pkt) __P((u_char *pkt, int len));
|
||||
};
|
||||
|
||||
/* Table of pointers to supported protocols */
|
||||
extern struct protent *protocols[];
|
||||
|
||||
/*
|
||||
* This struct contains pointers to a set of procedures for
|
||||
* doing operations on a "channel". A channel provides a way
|
||||
* to send and receive PPP packets - the canonical example is
|
||||
* a serial port device in PPP line discipline (or equivalently
|
||||
* with PPP STREAMS modules pushed onto it).
|
||||
*/
|
||||
struct channel {
|
||||
/* set of options for this channel */
|
||||
option_t *options;
|
||||
/* find and process a per-channel options file */
|
||||
void (*process_extra_options) __P((void));
|
||||
/* check all the options that have been given */
|
||||
void (*check_options) __P((void));
|
||||
/* get the channel ready to do PPP, return a file descriptor */
|
||||
int (*connect) __P((void));
|
||||
/* we're finished with the channel */
|
||||
void (*disconnect) __P((void));
|
||||
/* put the channel into PPP `mode' */
|
||||
int (*establish_ppp) __P((int));
|
||||
/* take the channel out of PPP `mode', restore loopback if demand */
|
||||
void (*disestablish_ppp) __P((int));
|
||||
/* set the transmit-side PPP parameters of the channel */
|
||||
void (*send_config) __P((int, u_int32_t, int, int));
|
||||
/* set the receive-side PPP parameters of the channel */
|
||||
void (*recv_config) __P((int, u_int32_t, int, int));
|
||||
/* cleanup on error or normal exit */
|
||||
void (*cleanup) __P((void));
|
||||
/* close the device, called in children after fork */
|
||||
void (*close) __P((void));
|
||||
};
|
||||
|
||||
extern struct channel *the_channel;
|
||||
|
||||
#define ppp_send_config(unit, mtu, accm, pc, acc) \
|
||||
do { \
|
||||
if (the_channel->send_config) \
|
||||
(*the_channel->send_config)((mtu), (accm), (pc), (acc)); \
|
||||
} while (0)
|
||||
|
||||
#define ppp_recv_config(unit, mtu, accm, pc, acc) \
|
||||
do { \
|
||||
if (the_channel->send_config) \
|
||||
(*the_channel->recv_config)((mtu), (accm), (pc), (acc)); \
|
||||
} while (0)
|
||||
|
||||
/*
|
||||
* Prototypes.
|
||||
*/
|
||||
|
||||
/* Procedures exported from main.c. */
|
||||
void set_ifunit __P((int)); /* set stuff that depends on ifunit */
|
||||
void detach __P((void)); /* Detach from controlling tty */
|
||||
void die __P((int)); /* Cleanup and exit */
|
||||
void quit __P((void)); /* like die(1) */
|
||||
void novm __P((char *)); /* Say we ran out of memory, and die */
|
||||
void timeout __P((void (*func)(void *), void *arg, int s, int us));
|
||||
/* Call func(arg) after s.us seconds */
|
||||
void untimeout __P((void (*func)(void *), void *arg));
|
||||
/* Cancel call to func(arg) */
|
||||
void record_child __P((int, char *, void (*) (void *), void *));
|
||||
int device_script __P((char *cmd, int in, int out, int dont_wait));
|
||||
/* Run `cmd' with given stdin and stdout */
|
||||
pid_t run_program __P((char *prog, char **args, int must_exist,
|
||||
void (*done)(void *), void *arg));
|
||||
/* Run program prog with args in child */
|
||||
void reopen_log __P((void)); /* (re)open the connection to syslog */
|
||||
void update_link_stats __P((int)); /* Get stats at link termination */
|
||||
void script_setenv __P((char *, char *, int)); /* set script env var */
|
||||
void script_unsetenv __P((char *)); /* unset script env var */
|
||||
void new_phase __P((int)); /* signal start of new phase */
|
||||
void add_notifier __P((struct notifier **, notify_func, void *));
|
||||
void remove_notifier __P((struct notifier **, notify_func, void *));
|
||||
void notify __P((struct notifier *, int));
|
||||
|
||||
/* Procedures exported from tty.c. */
|
||||
void tty_init __P((void));
|
||||
|
||||
/* Procedures exported from utils.c. */
|
||||
void log_packet __P((u_char *, int, char *, int));
|
||||
/* Format a packet and log it with syslog */
|
||||
void print_string __P((char *, int, void (*) (void *, char *, ...),
|
||||
void *)); /* Format a string for output */
|
||||
int slprintf __P((char *, int, char *, ...)); /* sprintf++ */
|
||||
int vslprintf __P((char *, int, char *, va_list)); /* vsprintf++ */
|
||||
size_t strlcpy __P((char *, const char *, size_t)); /* safe strcpy */
|
||||
size_t strlcat __P((char *, const char *, size_t)); /* safe strncpy */
|
||||
void dbglog __P((char *, ...)); /* log a debug message */
|
||||
void info __P((char *, ...)); /* log an informational message */
|
||||
void notice __P((char *, ...)); /* log a notice-level message */
|
||||
void warn __P((char *, ...)); /* log a warning message */
|
||||
void error __P((char *, ...)); /* log an error message */
|
||||
void fatal __P((char *, ...)); /* log an error message and die(1) */
|
||||
void init_pr_log __P((char *, int)); /* initialize for using pr_log */
|
||||
void pr_log __P((void *, char *, ...)); /* printer fn, output to syslog */
|
||||
void end_pr_log __P((void)); /* finish up after using pr_log */
|
||||
|
||||
/* Procedures exported from auth.c */
|
||||
void link_required __P((int)); /* we are starting to use the link */
|
||||
void link_terminated __P((int)); /* we are finished with the link */
|
||||
void link_down __P((int)); /* the LCP layer has left the Opened state */
|
||||
void link_established __P((int)); /* the link is up; authenticate now */
|
||||
void start_networks __P((void)); /* start all the network control protos */
|
||||
void np_up __P((int, int)); /* a network protocol has come up */
|
||||
void np_down __P((int, int)); /* a network protocol has gone down */
|
||||
void np_finished __P((int, int)); /* a network protocol no longer needs link */
|
||||
void auth_peer_fail __P((int, int));
|
||||
/* peer failed to authenticate itself */
|
||||
void auth_peer_success __P((int, int, char *, int));
|
||||
/* peer successfully authenticated itself */
|
||||
void auth_withpeer_fail __P((int, int));
|
||||
/* we failed to authenticate ourselves */
|
||||
void auth_withpeer_success __P((int, int));
|
||||
/* we successfully authenticated ourselves */
|
||||
void auth_check_options __P((void));
|
||||
/* check authentication options supplied */
|
||||
void auth_reset __P((int)); /* check what secrets we have */
|
||||
int check_passwd __P((int, char *, int, char *, int, char **));
|
||||
/* Check peer-supplied username/password */
|
||||
int get_secret __P((int, char *, char *, char *, int *, int));
|
||||
/* get "secret" for chap */
|
||||
int auth_ip_addr __P((int, u_int32_t));
|
||||
/* check if IP address is authorized */
|
||||
int bad_ip_adrs __P((u_int32_t));
|
||||
/* check if IP address is unreasonable */
|
||||
|
||||
/* Procedures exported from demand.c */
|
||||
void demand_conf __P((void)); /* config interface(s) for demand-dial */
|
||||
void demand_block __P((void)); /* set all NPs to queue up packets */
|
||||
void demand_unblock __P((void)); /* set all NPs to pass packets */
|
||||
void demand_discard __P((void)); /* set all NPs to discard packets */
|
||||
void demand_rexmit __P((int)); /* retransmit saved frames for an NP */
|
||||
int loop_chars __P((unsigned char *, int)); /* process chars from loopback */
|
||||
int loop_frame __P((unsigned char *, int)); /* should we bring link up? */
|
||||
|
||||
/* Procedures exported from multilink.c */
|
||||
void mp_check_options __P((void)); /* Check multilink-related options */
|
||||
int mp_join_bundle __P((void)); /* join our link to an appropriate bundle */
|
||||
char *epdisc_to_str __P((struct epdisc *)); /* string from endpoint discrim. */
|
||||
int str_to_epdisc __P((struct epdisc *, char *)); /* endpt disc. from str */
|
||||
|
||||
/* Procedures exported from sys-*.c */
|
||||
void sys_init __P((void)); /* Do system-dependent initialization */
|
||||
void sys_cleanup __P((void)); /* Restore system state before exiting */
|
||||
int sys_check_options __P((void)); /* Check options specified */
|
||||
void sys_close __P((void)); /* Clean up in a child before execing */
|
||||
int ppp_available __P((void)); /* Test whether ppp kernel support exists */
|
||||
int get_pty __P((int *, int *, char *, int)); /* Get pty master/slave */
|
||||
int open_ppp_loopback __P((void)); /* Open loopback for demand-dialling */
|
||||
int tty_establish_ppp __P((int)); /* Turn serial port into a ppp interface */
|
||||
void tty_disestablish_ppp __P((int)); /* Restore port to normal operation */
|
||||
void make_new_bundle __P((int, int, int, int)); /* Create new bundle */
|
||||
int bundle_attach __P((int)); /* Attach link to existing bundle */
|
||||
void cfg_bundle __P((int, int, int, int)); /* Configure existing bundle */
|
||||
void clean_check __P((void)); /* Check if line was 8-bit clean */
|
||||
void set_up_tty __P((int, int)); /* Set up port's speed, parameters, etc. */
|
||||
void restore_tty __P((int)); /* Restore port's original parameters */
|
||||
void setdtr __P((int, int)); /* Raise or lower port's DTR line */
|
||||
void output __P((int, u_char *, int)); /* Output a PPP packet */
|
||||
void wait_input __P((struct timeval *));
|
||||
/* Wait for input, with timeout */
|
||||
void add_fd __P((int)); /* Add fd to set to wait for */
|
||||
void remove_fd __P((int)); /* Remove fd from set to wait for */
|
||||
int read_packet __P((u_char *)); /* Read PPP packet */
|
||||
int get_loop_output __P((void)); /* Read pkts from loopback */
|
||||
void tty_send_config __P((int, u_int32_t, int, int));
|
||||
/* Configure i/f transmit parameters */
|
||||
void tty_set_xaccm __P((ext_accm));
|
||||
/* Set extended transmit ACCM */
|
||||
void tty_recv_config __P((int, u_int32_t, int, int));
|
||||
/* Configure i/f receive parameters */
|
||||
int ccp_test __P((int, u_char *, int, int));
|
||||
/* Test support for compression scheme */
|
||||
void ccp_flags_set __P((int, int, int));
|
||||
/* Set kernel CCP state */
|
||||
int ccp_fatal_error __P((int)); /* Test for fatal decomp error in kernel */
|
||||
int get_idle_time __P((int, struct ppp_idle *));
|
||||
/* Find out how long link has been idle */
|
||||
int get_ppp_stats __P((int, struct pppd_stats *));
|
||||
/* Return link statistics */
|
||||
void netif_set_mtu __P((int, int)); /* Set PPP interface MTU */
|
||||
int sifvjcomp __P((int, int, int, int));
|
||||
/* Configure VJ TCP header compression */
|
||||
int sifup __P((int)); /* Configure i/f up for one protocol */
|
||||
int sifnpmode __P((int u, int proto, enum NPmode mode));
|
||||
/* Set mode for handling packets for proto */
|
||||
int sifdown __P((int)); /* Configure i/f down for one protocol */
|
||||
int sifaddr __P((int, u_int32_t, u_int32_t, u_int32_t));
|
||||
/* Configure IPv4 addresses for i/f */
|
||||
int cifaddr __P((int, u_int32_t, u_int32_t));
|
||||
/* Reset i/f IP addresses */
|
||||
#ifdef INET6
|
||||
int sif6addr __P((int, eui64_t, eui64_t));
|
||||
/* Configure IPv6 addresses for i/f */
|
||||
int cif6addr __P((int, eui64_t, eui64_t));
|
||||
/* Remove an IPv6 address from i/f */
|
||||
#endif
|
||||
int sifdefaultroute __P((int, u_int32_t, u_int32_t));
|
||||
/* Create default route through i/f */
|
||||
int cifdefaultroute __P((int, u_int32_t, u_int32_t));
|
||||
/* Delete default route through i/f */
|
||||
int sifproxyarp __P((int, u_int32_t));
|
||||
/* Add proxy ARP entry for peer */
|
||||
int cifproxyarp __P((int, u_int32_t));
|
||||
/* Delete proxy ARP entry for peer */
|
||||
u_int32_t GetMask __P((u_int32_t)); /* Get appropriate netmask for address */
|
||||
int lock __P((char *)); /* Create lock file for device */
|
||||
int relock __P((int)); /* Rewrite lock file with new pid */
|
||||
void unlock __P((void)); /* Delete previously-created lock file */
|
||||
void logwtmp __P((const char *, const char *, const char *));
|
||||
/* Write entry to wtmp file */
|
||||
int get_host_seed __P((void)); /* Get host-dependent random number seed */
|
||||
int have_route_to __P((u_int32_t)); /* Check if route to addr exists */
|
||||
#ifdef PPP_FILTER
|
||||
int set_filters __P((struct bpf_program *pass, struct bpf_program *active));
|
||||
/* Set filter programs in kernel */
|
||||
#endif
|
||||
#ifdef IPX_CHANGE
|
||||
int sipxfaddr __P((int, unsigned long, unsigned char *));
|
||||
int cipxfaddr __P((int));
|
||||
#endif
|
||||
int get_if_hwaddr __P((u_char *addr, char *name));
|
||||
char *get_first_ethernet __P((void));
|
||||
|
||||
/* Procedures exported from options.c */
|
||||
int parse_args __P((int argc, char **argv));
|
||||
/* Parse options from arguments given */
|
||||
int options_from_file __P((char *filename, int must_exist, int check_prot,
|
||||
int privileged));
|
||||
/* Parse options from an options file */
|
||||
int options_from_user __P((void)); /* Parse options from user's .ppprc */
|
||||
int options_for_tty __P((void)); /* Parse options from /etc/ppp/options.tty */
|
||||
int options_from_list __P((struct wordlist *, int privileged));
|
||||
/* Parse options from a wordlist */
|
||||
int getword __P((FILE *f, char *word, int *newlinep, char *filename));
|
||||
/* Read a word from a file */
|
||||
void option_error __P((char *fmt, ...));
|
||||
/* Print an error message about an option */
|
||||
int int_option __P((char *, int *));
|
||||
/* Simplified number_option for decimal ints */
|
||||
void add_options __P((option_t *)); /* Add extra options */
|
||||
void check_options __P((void)); /* check values after all options parsed */
|
||||
int override_value __P((const char *, int, const char *));
|
||||
/* override value if permitted by priority */
|
||||
void print_options __P((void (*) __P((void *, char *, ...)), void *));
|
||||
/* print out values of all options */
|
||||
|
||||
int parse_dotted_ip __P((char *, u_int32_t *));
|
||||
|
||||
/*
|
||||
* Hooks to enable plugins to change various things.
|
||||
*/
|
||||
extern int (*new_phase_hook) __P((int));
|
||||
extern int (*idle_time_hook) __P((struct ppp_idle *));
|
||||
extern int (*holdoff_hook) __P((void));
|
||||
extern int (*pap_check_hook) __P((void));
|
||||
extern int (*pap_auth_hook) __P((char *user, char *passwd, char **msgp,
|
||||
struct wordlist **paddrs,
|
||||
struct wordlist **popts));
|
||||
extern void (*pap_logout_hook) __P((void));
|
||||
extern int (*pap_passwd_hook) __P((char *user, char *passwd));
|
||||
extern void (*ip_up_hook) __P((void));
|
||||
extern void (*ip_down_hook) __P((void));
|
||||
extern void (*ip_choose_hook) __P((u_int32_t *));
|
||||
|
||||
/*
|
||||
* Inline versions of get/put char/short/long.
|
||||
* Pointer is advanced; we assume that both arguments
|
||||
* are lvalues and will already be in registers.
|
||||
* cp MUST be u_char *.
|
||||
*/
|
||||
#define GETCHAR(c, cp) { \
|
||||
(c) = *(cp)++; \
|
||||
}
|
||||
#define PUTCHAR(c, cp) { \
|
||||
*(cp)++ = (u_char) (c); \
|
||||
}
|
||||
|
||||
|
||||
#define GETSHORT(s, cp) { \
|
||||
(s) = *(cp)++ << 8; \
|
||||
(s) |= *(cp)++; \
|
||||
}
|
||||
#define PUTSHORT(s, cp) { \
|
||||
*(cp)++ = (u_char) ((s) >> 8); \
|
||||
*(cp)++ = (u_char) (s); \
|
||||
}
|
||||
|
||||
#define GETLONG(l, cp) { \
|
||||
(l) = *(cp)++ << 8; \
|
||||
(l) |= *(cp)++; (l) <<= 8; \
|
||||
(l) |= *(cp)++; (l) <<= 8; \
|
||||
(l) |= *(cp)++; \
|
||||
}
|
||||
#define PUTLONG(l, cp) { \
|
||||
*(cp)++ = (u_char) ((l) >> 24); \
|
||||
*(cp)++ = (u_char) ((l) >> 16); \
|
||||
*(cp)++ = (u_char) ((l) >> 8); \
|
||||
*(cp)++ = (u_char) (l); \
|
||||
}
|
||||
|
||||
#define INCPTR(n, cp) ((cp) += (n))
|
||||
#define DECPTR(n, cp) ((cp) -= (n))
|
||||
|
||||
/*
|
||||
* System dependent definitions for user-level 4.3BSD UNIX implementation.
|
||||
*/
|
||||
|
||||
#define TIMEOUT(r, f, t) timeout((r), (f), (t), 0)
|
||||
#define UNTIMEOUT(r, f) untimeout((r), (f))
|
||||
|
||||
#define BCOPY(s, d, l) memcpy(d, s, l)
|
||||
#define BZERO(s, n) memset(s, 0, n)
|
||||
|
||||
#define PRINTMSG(m, l) { info("Remote message: %0.*v", l, m); }
|
||||
|
||||
/*
|
||||
* MAKEHEADER - Add Header fields to a packet.
|
||||
*/
|
||||
#define MAKEHEADER(p, t) { \
|
||||
PUTCHAR(PPP_ALLSTATIONS, p); \
|
||||
PUTCHAR(PPP_UI, p); \
|
||||
PUTSHORT(t, p); }
|
||||
|
||||
/*
|
||||
* Exit status values.
|
||||
*/
|
||||
#define EXIT_OK 0
|
||||
#define EXIT_FATAL_ERROR 1
|
||||
#define EXIT_OPTION_ERROR 2
|
||||
#define EXIT_NOT_ROOT 3
|
||||
#define EXIT_NO_KERNEL_SUPPORT 4
|
||||
#define EXIT_USER_REQUEST 5
|
||||
#define EXIT_LOCK_FAILED 6
|
||||
#define EXIT_OPEN_FAILED 7
|
||||
#define EXIT_CONNECT_FAILED 8
|
||||
#define EXIT_PTYCMD_FAILED 9
|
||||
#define EXIT_NEGOTIATION_FAILED 10
|
||||
#define EXIT_PEER_AUTH_FAILED 11
|
||||
#define EXIT_IDLE_TIMEOUT 12
|
||||
#define EXIT_CONNECT_TIME 13
|
||||
#define EXIT_CALLBACK 14
|
||||
#define EXIT_PEER_DEAD 15
|
||||
#define EXIT_HANGUP 16
|
||||
#define EXIT_LOOPBACK 17
|
||||
#define EXIT_INIT_FAILED 18
|
||||
#define EXIT_AUTH_TOPEER_FAILED 19
|
||||
|
||||
/*
|
||||
* Debug macros. Slightly useful for finding bugs in pppd, not particularly
|
||||
* useful for finding out why your connection isn't being established.
|
||||
*/
|
||||
#ifdef DEBUGALL
|
||||
#define DEBUGMAIN 1
|
||||
#define DEBUGFSM 1
|
||||
#define DEBUGLCP 1
|
||||
#define DEBUGIPCP 1
|
||||
#define DEBUGIPV6CP 1
|
||||
#define DEBUGUPAP 1
|
||||
#define DEBUGCHAP 1
|
||||
#endif
|
||||
|
||||
#ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */
|
||||
#if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUGSYS) \
|
||||
|| defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \
|
||||
|| defined(DEBUGCHAP) || defined(DEBUG) || defined(DEBUGIPV6CP)
|
||||
#define LOG_PPP LOG_LOCAL2
|
||||
#else
|
||||
#define LOG_PPP LOG_DAEMON
|
||||
#endif
|
||||
#endif /* LOG_PPP */
|
||||
|
||||
#ifdef DEBUGMAIN
|
||||
#define MAINDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define MAINDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGSYS
|
||||
#define SYSDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define SYSDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGFSM
|
||||
#define FSMDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define FSMDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGLCP
|
||||
#define LCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define LCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPCP
|
||||
#define IPCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPV6CP
|
||||
#define IPV6CPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPV6CPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGUPAP
|
||||
#define UPAPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define UPAPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGCHAP
|
||||
#define CHAPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define CHAPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPXCP
|
||||
#define IPXCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPXCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifndef SIGTYPE
|
||||
#if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE)
|
||||
#define SIGTYPE void
|
||||
#else
|
||||
#define SIGTYPE int
|
||||
#endif /* defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) */
|
||||
#endif /* SIGTYPE */
|
||||
|
||||
#ifndef MIN
|
||||
#define MIN(a, b) ((a) < (b)? (a): (b))
|
||||
#endif
|
||||
#ifndef MAX
|
||||
#define MAX(a, b) ((a) > (b)? (a): (b))
|
||||
#endif
|
||||
|
||||
#endif /* __PPP_H__ */
|
|
@ -1,14 +0,0 @@
|
|||
# Makefile for the capiplugin for pppd(8).
|
||||
#
|
||||
# Copyright 2000 Carsten Paeth (calle@calle.in-berlin.de)
|
||||
# Copyright 2000 AVM GmbH Berlin (info@avm.de)
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License
|
||||
# as published by the Free Software Foundation; either version
|
||||
# 2 of the License, or (at your option) any later version.
|
||||
|
||||
PLUGINDIR=${DESTDIR}/usr/lib/pppd/$(PPPVERSION)
|
||||
|
||||
include $(TOPDIR)/Rules.make
|
||||
|
|
@ -1,4 +0,0 @@
|
|||
/* $Id: patchlevel.h,v 1.1 2004/02/14 15:02:48 keil Exp $ */
|
||||
|
||||
#define VERSION "2.4.2"
|
||||
#define DATE "13 Jan 2004"
|
|
@ -1,883 +0,0 @@
|
|||
/*
|
||||
* pppd.h - PPP daemon global declarations.
|
||||
*
|
||||
* Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
*
|
||||
* 3. The name "Carnegie Mellon University" must not be used to
|
||||
* endorse or promote products derived from this software without
|
||||
* prior written permission. For permission or any legal
|
||||
* details, please contact
|
||||
* Office of Technology Transfer
|
||||
* Carnegie Mellon University
|
||||
* 5000 Forbes Avenue
|
||||
* Pittsburgh, PA 15213-3890
|
||||
* (412) 268-4387, fax: (412) 268-7395
|
||||
* tech-transfer@andrew.cmu.edu
|
||||
*
|
||||
* 4. Redistributions of any form whatsoever must retain the following
|
||||
* acknowledgment:
|
||||
* "This product includes software developed by Computing Services
|
||||
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
|
||||
*
|
||||
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
|
||||
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
||||
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
|
||||
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
|
||||
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
|
||||
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* $Id: pppd.h,v 1.1 2004/02/14 15:02:48 keil Exp $
|
||||
*/
|
||||
|
||||
/*
|
||||
* TODO:
|
||||
*/
|
||||
|
||||
#ifndef __PPPD_H__
|
||||
#define __PPPD_H__
|
||||
|
||||
#include <stdio.h> /* for FILE */
|
||||
#include <limits.h> /* for NGROUPS_MAX */
|
||||
#include <sys/param.h> /* for MAXPATHLEN and BSD4_4, if defined */
|
||||
#include <sys/types.h> /* for u_int32_t, if defined */
|
||||
#include <sys/time.h> /* for struct timeval */
|
||||
#include <net/ppp_defs.h>
|
||||
#include "patchlevel.h"
|
||||
|
||||
#if defined(__STDC__)
|
||||
#include <stdarg.h>
|
||||
#define __V(x) x
|
||||
#else
|
||||
#include <varargs.h>
|
||||
#define __V(x) (va_alist) va_dcl
|
||||
#define const
|
||||
#define volatile
|
||||
#endif
|
||||
|
||||
#ifdef INET6
|
||||
#include "eui64.h"
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Limits.
|
||||
*/
|
||||
|
||||
#define NUM_PPP 1 /* One PPP interface supported (per process) */
|
||||
#define MAXWORDLEN 1024 /* max length of word in file (incl null) */
|
||||
#define MAXARGS 1 /* max # args to a command */
|
||||
#define MAXNAMELEN 256 /* max length of hostname or name for auth */
|
||||
#define MAXSECRETLEN 256 /* max length of password or secret */
|
||||
|
||||
/*
|
||||
* Option descriptor structure.
|
||||
*/
|
||||
|
||||
typedef unsigned char bool;
|
||||
|
||||
enum opt_type {
|
||||
o_special_noarg = 0,
|
||||
o_special = 1,
|
||||
o_bool,
|
||||
o_int,
|
||||
o_uint32,
|
||||
o_string,
|
||||
o_wild
|
||||
};
|
||||
|
||||
typedef struct {
|
||||
char *name; /* name of the option */
|
||||
enum opt_type type;
|
||||
void *addr;
|
||||
char *description;
|
||||
unsigned int flags;
|
||||
void *addr2;
|
||||
int upper_limit;
|
||||
int lower_limit;
|
||||
const char *source;
|
||||
short int priority;
|
||||
short int winner;
|
||||
} option_t;
|
||||
|
||||
/* Values for flags */
|
||||
#define OPT_VALUE 0xff /* mask for presupplied value */
|
||||
#define OPT_HEX 0x100 /* int option is in hex */
|
||||
#define OPT_NOARG 0x200 /* option doesn't take argument */
|
||||
#define OPT_OR 0x400 /* OR in argument to value */
|
||||
#define OPT_INC 0x800 /* increment value */
|
||||
#define OPT_A2OR 0x800 /* for o_bool, OR arg to *(u_char *)addr2 */
|
||||
#define OPT_PRIV 0x1000 /* privileged option */
|
||||
#define OPT_STATIC 0x2000 /* string option goes into static array */
|
||||
#define OPT_LLIMIT 0x4000 /* check value against lower limit */
|
||||
#define OPT_ULIMIT 0x8000 /* check value against upper limit */
|
||||
#define OPT_LIMITS (OPT_LLIMIT|OPT_ULIMIT)
|
||||
#define OPT_ZEROOK 0x10000 /* 0 value is OK even if not within limits */
|
||||
#define OPT_HIDE 0x10000 /* for o_string, print value as ?????? */
|
||||
#define OPT_A2LIST 0x10000 /* for o_special, keep list of values */
|
||||
#define OPT_A2CLRB 0x10000 /* o_bool, clr val bits in *(u_char *)addr2 */
|
||||
#define OPT_NOINCR 0x20000 /* value mustn't be increased */
|
||||
#define OPT_ZEROINF 0x40000 /* with OPT_NOINCR, 0 == infinity */
|
||||
#define OPT_PRIO 0x80000 /* process option priorities for this option */
|
||||
#define OPT_PRIOSUB 0x100000 /* subsidiary member of priority group */
|
||||
#define OPT_ALIAS 0x200000 /* option is alias for previous option */
|
||||
#define OPT_A2COPY 0x400000 /* addr2 -> second location to rcv value */
|
||||
#define OPT_ENABLE 0x800000 /* use *addr2 as enable for option */
|
||||
#define OPT_A2CLR 0x1000000 /* clear *(bool *)addr2 */
|
||||
#define OPT_PRIVFIX 0x2000000 /* user can't override if set by root */
|
||||
#define OPT_INITONLY 0x4000000 /* option can only be set in init phase */
|
||||
#define OPT_DEVEQUIV 0x8000000 /* equiv to device name */
|
||||
#define OPT_DEVNAM (OPT_INITONLY | OPT_DEVEQUIV)
|
||||
#define OPT_A2PRINTER 0x10000000 /* *addr2 is a fn for printing option */
|
||||
#define OPT_A2STRVAL 0x20000000 /* *addr2 points to current string value */
|
||||
#define OPT_NOPRINT 0x40000000 /* don't print this option at all */
|
||||
|
||||
#define OPT_VAL(x) ((x) & OPT_VALUE)
|
||||
|
||||
/* Values for priority */
|
||||
#define OPRIO_DEFAULT 0 /* a default value */
|
||||
#define OPRIO_CFGFILE 1 /* value from a configuration file */
|
||||
#define OPRIO_CMDLINE 2 /* value from the command line */
|
||||
#define OPRIO_SECFILE 3 /* value from options in a secrets file */
|
||||
#define OPRIO_ROOT 100 /* added to priority if OPT_PRIVFIX && root */
|
||||
|
||||
#ifndef GIDSET_TYPE
|
||||
#define GIDSET_TYPE gid_t
|
||||
#endif
|
||||
|
||||
/* Structure representing a list of permitted IP addresses. */
|
||||
struct permitted_ip {
|
||||
int permit; /* 1 = permit, 0 = forbid */
|
||||
u_int32_t base; /* match if (addr & mask) == base */
|
||||
u_int32_t mask; /* base and mask are in network byte order */
|
||||
};
|
||||
|
||||
/*
|
||||
* Unfortunately, the linux kernel driver uses a different structure
|
||||
* for statistics from the rest of the ports.
|
||||
* This structure serves as a common representation for the bits
|
||||
* pppd needs.
|
||||
*/
|
||||
struct pppd_stats {
|
||||
unsigned int bytes_in;
|
||||
unsigned int bytes_out;
|
||||
unsigned int pkts_in;
|
||||
unsigned int pkts_out;
|
||||
};
|
||||
|
||||
/* Used for storing a sequence of words. Usually malloced. */
|
||||
struct wordlist {
|
||||
struct wordlist *next;
|
||||
char *word;
|
||||
};
|
||||
|
||||
/* An endpoint discriminator, used with multilink. */
|
||||
#define MAX_ENDP_LEN 20 /* maximum length of discriminator value */
|
||||
struct epdisc {
|
||||
unsigned char class;
|
||||
unsigned char length;
|
||||
unsigned char value[MAX_ENDP_LEN];
|
||||
};
|
||||
|
||||
/* values for epdisc.class */
|
||||
#define EPD_NULL 0 /* null discriminator, no data */
|
||||
#define EPD_LOCAL 1
|
||||
#define EPD_IP 2
|
||||
#define EPD_MAC 3
|
||||
#define EPD_MAGIC 4
|
||||
#define EPD_PHONENUM 5
|
||||
|
||||
typedef void (*notify_func) __P((void *, int));
|
||||
|
||||
struct notifier {
|
||||
struct notifier *next;
|
||||
notify_func func;
|
||||
void *arg;
|
||||
};
|
||||
|
||||
/*
|
||||
* Global variables.
|
||||
*/
|
||||
|
||||
extern int hungup; /* Physical layer has disconnected */
|
||||
extern int ifunit; /* Interface unit number */
|
||||
extern char ifname[]; /* Interface name */
|
||||
extern char hostname[]; /* Our hostname */
|
||||
extern u_char outpacket_buf[]; /* Buffer for outgoing packets */
|
||||
extern int phase; /* Current state of link - see values below */
|
||||
extern int baud_rate; /* Current link speed in bits/sec */
|
||||
extern char *progname; /* Name of this program */
|
||||
extern int redirect_stderr;/* Connector's stderr should go to file */
|
||||
extern char peer_authname[];/* Authenticated name of peer */
|
||||
extern int auth_done[NUM_PPP]; /* Methods actually used for auth */
|
||||
extern int privileged; /* We were run by real-uid root */
|
||||
extern int need_holdoff; /* Need holdoff period after link terminates */
|
||||
extern char **script_env; /* Environment variables for scripts */
|
||||
extern int detached; /* Have detached from controlling tty */
|
||||
extern GIDSET_TYPE groups[NGROUPS_MAX]; /* groups the user is in */
|
||||
extern int ngroups; /* How many groups valid in groups */
|
||||
extern struct pppd_stats link_stats; /* byte/packet counts etc. for link */
|
||||
extern int link_stats_valid; /* set if link_stats is valid */
|
||||
extern unsigned link_connect_time; /* time the link was up for */
|
||||
extern int using_pty; /* using pty as device (notty or pty opt.) */
|
||||
extern int log_to_fd; /* logging to this fd as well as syslog */
|
||||
extern bool log_default; /* log_to_fd is default (stdout) */
|
||||
extern char *no_ppp_msg; /* message to print if ppp not in kernel */
|
||||
extern volatile int status; /* exit status for pppd */
|
||||
extern bool devnam_fixed; /* can no longer change devnam */
|
||||
extern int unsuccess; /* # unsuccessful connection attempts */
|
||||
extern int do_callback; /* set if we want to do callback next */
|
||||
extern int doing_callback; /* set if this is a callback */
|
||||
extern int error_count; /* # of times error() has been called */
|
||||
extern char ppp_devnam[MAXPATHLEN];
|
||||
extern char remote_number[MAXNAMELEN]; /* Remote telephone number, if avail. */
|
||||
extern int ppp_session_number; /* Session number (eg PPPoE session) */
|
||||
|
||||
extern int listen_time; /* time to listen first (ms) */
|
||||
extern struct notifier *pidchange; /* for notifications of pid changing */
|
||||
extern struct notifier *phasechange; /* for notifications of phase changes */
|
||||
extern struct notifier *exitnotify; /* for notification that we're exiting */
|
||||
extern struct notifier *sigreceived; /* notification of received signal */
|
||||
extern struct notifier *ip_up_notifier; /* IPCP has come up */
|
||||
extern struct notifier *ip_down_notifier; /* IPCP has gone down */
|
||||
extern struct notifier *auth_up_notifier; /* peer has authenticated */
|
||||
extern struct notifier *link_down_notifier; /* link has gone down */
|
||||
extern struct notifier *fork_notifier; /* we are a new child process */
|
||||
|
||||
/* Values for do_callback and doing_callback */
|
||||
#define CALLBACK_DIALIN 1 /* we are expecting the call back */
|
||||
#define CALLBACK_DIALOUT 2 /* we are dialling out to call back */
|
||||
|
||||
/*
|
||||
* Variables set by command-line options.
|
||||
*/
|
||||
|
||||
extern int debug; /* Debug flag */
|
||||
extern int kdebugflag; /* Tell kernel to print debug messages */
|
||||
extern int default_device; /* Using /dev/tty or equivalent */
|
||||
extern char devnam[MAXPATHLEN]; /* Device name */
|
||||
extern int crtscts; /* Use hardware flow control */
|
||||
extern bool modem; /* Use modem control lines */
|
||||
extern int inspeed; /* Input/Output speed requested */
|
||||
extern u_int32_t netmask; /* IP netmask to set on interface */
|
||||
extern bool lockflag; /* Create lock file to lock the serial dev */
|
||||
extern bool nodetach; /* Don't detach from controlling tty */
|
||||
extern bool updetach; /* Detach from controlling tty when link up */
|
||||
extern char *initializer; /* Script to initialize physical link */
|
||||
extern char *connect_script; /* Script to establish physical link */
|
||||
extern char *disconnect_script; /* Script to disestablish physical link */
|
||||
extern char *welcomer; /* Script to welcome client after connection */
|
||||
extern char *ptycommand; /* Command to run on other side of pty */
|
||||
extern int maxconnect; /* Maximum connect time (seconds) */
|
||||
extern char user[MAXNAMELEN];/* Our name for authenticating ourselves */
|
||||
extern char passwd[MAXSECRETLEN]; /* Password for PAP or CHAP */
|
||||
extern bool auth_required; /* Peer is required to authenticate */
|
||||
extern bool persist; /* Reopen link after it goes down */
|
||||
extern bool uselogin; /* Use /etc/passwd for checking PAP */
|
||||
extern char our_name[MAXNAMELEN];/* Our name for authentication purposes */
|
||||
extern char remote_name[MAXNAMELEN]; /* Peer's name for authentication */
|
||||
extern bool explicit_remote;/* remote_name specified with remotename opt */
|
||||
extern bool demand; /* Do dial-on-demand */
|
||||
extern char *ipparam; /* Extra parameter for ip up/down scripts */
|
||||
extern bool cryptpap; /* Others' PAP passwords are encrypted */
|
||||
extern int idle_time_limit;/* Shut down link if idle for this long */
|
||||
extern int holdoff; /* Dead time before restarting */
|
||||
extern bool holdoff_specified; /* true if user gave a holdoff value */
|
||||
extern bool notty; /* Stdin/out is not a tty */
|
||||
extern char *pty_socket; /* Socket to connect to pty */
|
||||
extern char *record_file; /* File to record chars sent/received */
|
||||
extern bool sync_serial; /* Device is synchronous serial device */
|
||||
extern int maxfail; /* Max # of unsuccessful connection attempts */
|
||||
extern char linkname[MAXPATHLEN]; /* logical name for link */
|
||||
extern bool tune_kernel; /* May alter kernel settings as necessary */
|
||||
extern int connect_delay; /* Time to delay after connect script */
|
||||
extern int max_data_rate; /* max bytes/sec through charshunt */
|
||||
extern int req_unit; /* interface unit number to use */
|
||||
extern bool multilink; /* enable multilink operation */
|
||||
extern bool noendpoint; /* don't send or accept endpt. discrim. */
|
||||
extern char *bundle_name; /* bundle name for multilink */
|
||||
extern bool dump_options; /* print out option values */
|
||||
extern bool dryrun; /* check everything, print options, exit */
|
||||
|
||||
#ifdef MAXOCTETS
|
||||
extern unsigned int maxoctets; /* Maximum octetes per session (in bytes) */
|
||||
extern int maxoctets_dir; /* Direction :
|
||||
0 - in+out (default)
|
||||
1 - in
|
||||
2 - out
|
||||
3 - max(in,out) */
|
||||
extern int maxoctets_timeout; /* Timeout for check of octets limit */
|
||||
#define PPP_OCTETS_DIRECTION_SUM 0
|
||||
#define PPP_OCTETS_DIRECTION_IN 1
|
||||
#define PPP_OCTETS_DIRECTION_OUT 2
|
||||
#define PPP_OCTETS_DIRECTION_MAXOVERAL 3
|
||||
/* same as previos, but little different on RADIUS side */
|
||||
#define PPP_OCTETS_DIRECTION_MAXSESSION 4
|
||||
#endif
|
||||
|
||||
#ifdef PPP_FILTER
|
||||
extern struct bpf_program pass_filter; /* Filter for pkts to pass */
|
||||
extern struct bpf_program active_filter; /* Filter for link-active pkts */
|
||||
#endif
|
||||
|
||||
#ifdef MSLANMAN
|
||||
extern bool ms_lanman; /* Use LanMan password instead of NT */
|
||||
/* Has meaning only with MS-CHAP challenges */
|
||||
#endif
|
||||
|
||||
/* Values for auth_pending, auth_done */
|
||||
#define PAP_WITHPEER 0x1
|
||||
#define PAP_PEER 0x2
|
||||
#define CHAP_WITHPEER 0x4
|
||||
#define CHAP_PEER 0x8
|
||||
#define EAP_WITHPEER 0x10
|
||||
#define EAP_PEER 0x20
|
||||
|
||||
/* Values for auth_done only */
|
||||
#define CHAP_MD5_WITHPEER 0x40
|
||||
#define CHAP_MD5_PEER 0x80
|
||||
#ifdef CHAPMS
|
||||
#define CHAP_MS_SHIFT 8 /* LSB position for MS auths */
|
||||
#define CHAP_MS_WITHPEER 0x100
|
||||
#define CHAP_MS_PEER 0x200
|
||||
#define CHAP_MS2_WITHPEER 0x400
|
||||
#define CHAP_MS2_PEER 0x800
|
||||
#endif
|
||||
|
||||
extern char *current_option; /* the name of the option being parsed */
|
||||
extern int privileged_option; /* set iff the current option came from root */
|
||||
extern char *option_source; /* string saying where the option came from */
|
||||
extern int option_priority; /* priority of current options */
|
||||
|
||||
/*
|
||||
* Values for phase.
|
||||
*/
|
||||
#define PHASE_DEAD 0
|
||||
#define PHASE_INITIALIZE 1
|
||||
#define PHASE_SERIALCONN 2
|
||||
#define PHASE_DORMANT 3
|
||||
#define PHASE_ESTABLISH 4
|
||||
#define PHASE_AUTHENTICATE 5
|
||||
#define PHASE_CALLBACK 6
|
||||
#define PHASE_NETWORK 7
|
||||
#define PHASE_RUNNING 8
|
||||
#define PHASE_TERMINATE 9
|
||||
#define PHASE_DISCONNECT 10
|
||||
#define PHASE_HOLDOFF 11
|
||||
|
||||
/*
|
||||
* The following struct gives the addresses of procedures to call
|
||||
* for a particular protocol.
|
||||
*/
|
||||
struct protent {
|
||||
u_short protocol; /* PPP protocol number */
|
||||
/* Initialization procedure */
|
||||
void (*init) __P((int unit));
|
||||
/* Process a received packet */
|
||||
void (*input) __P((int unit, u_char *pkt, int len));
|
||||
/* Process a received protocol-reject */
|
||||
void (*protrej) __P((int unit));
|
||||
/* Lower layer has come up */
|
||||
void (*lowerup) __P((int unit));
|
||||
/* Lower layer has gone down */
|
||||
void (*lowerdown) __P((int unit));
|
||||
/* Open the protocol */
|
||||
void (*open) __P((int unit));
|
||||
/* Close the protocol */
|
||||
void (*close) __P((int unit, char *reason));
|
||||
/* Print a packet in readable form */
|
||||
int (*printpkt) __P((u_char *pkt, int len,
|
||||
void (*printer) __P((void *, char *, ...)),
|
||||
void *arg));
|
||||
/* Process a received data packet */
|
||||
void (*datainput) __P((int unit, u_char *pkt, int len));
|
||||
bool enabled_flag; /* 0 iff protocol is disabled */
|
||||
char *name; /* Text name of protocol */
|
||||
char *data_name; /* Text name of corresponding data protocol */
|
||||
option_t *options; /* List of command-line options */
|
||||
/* Check requested options, assign defaults */
|
||||
void (*check_options) __P((void));
|
||||
/* Configure interface for demand-dial */
|
||||
int (*demand_conf) __P((int unit));
|
||||
/* Say whether to bring up link for this pkt */
|
||||
int (*active_pkt) __P((u_char *pkt, int len));
|
||||
};
|
||||
|
||||
/* Table of pointers to supported protocols */
|
||||
extern struct protent *protocols[];
|
||||
|
||||
/*
|
||||
* This struct contains pointers to a set of procedures for
|
||||
* doing operations on a "channel". A channel provides a way
|
||||
* to send and receive PPP packets - the canonical example is
|
||||
* a serial port device in PPP line discipline (or equivalently
|
||||
* with PPP STREAMS modules pushed onto it).
|
||||
*/
|
||||
struct channel {
|
||||
/* set of options for this channel */
|
||||
option_t *options;
|
||||
/* find and process a per-channel options file */
|
||||
void (*process_extra_options) __P((void));
|
||||
/* check all the options that have been given */
|
||||
void (*check_options) __P((void));
|
||||
/* get the channel ready to do PPP, return a file descriptor */
|
||||
int (*connect) __P((void));
|
||||
/* we're finished with the channel */
|
||||
void (*disconnect) __P((void));
|
||||
/* put the channel into PPP `mode' */
|
||||
int (*establish_ppp) __P((int));
|
||||
/* take the channel out of PPP `mode', restore loopback if demand */
|
||||
void (*disestablish_ppp) __P((int));
|
||||
/* set the transmit-side PPP parameters of the channel */
|
||||
void (*send_config) __P((int, u_int32_t, int, int));
|
||||
/* set the receive-side PPP parameters of the channel */
|
||||
void (*recv_config) __P((int, u_int32_t, int, int));
|
||||
/* cleanup on error or normal exit */
|
||||
void (*cleanup) __P((void));
|
||||
/* close the device, called in children after fork */
|
||||
void (*close) __P((void));
|
||||
};
|
||||
|
||||
extern struct channel *the_channel;
|
||||
|
||||
/*
|
||||
* Prototypes.
|
||||
*/
|
||||
|
||||
/* Procedures exported from main.c. */
|
||||
void set_ifunit __P((int)); /* set stuff that depends on ifunit */
|
||||
void detach __P((void)); /* Detach from controlling tty */
|
||||
void die __P((int)); /* Cleanup and exit */
|
||||
void quit __P((void)); /* like die(1) */
|
||||
void novm __P((char *)); /* Say we ran out of memory, and die */
|
||||
void timeout __P((void (*func)(void *), void *arg, int s, int us));
|
||||
/* Call func(arg) after s.us seconds */
|
||||
void untimeout __P((void (*func)(void *), void *arg));
|
||||
/* Cancel call to func(arg) */
|
||||
void record_child __P((int, char *, void (*) (void *), void *));
|
||||
pid_t safe_fork __P((void)); /* Fork & close stuff in child */
|
||||
int device_script __P((char *cmd, int in, int out, int dont_wait));
|
||||
/* Run `cmd' with given stdin and stdout */
|
||||
pid_t run_program __P((char *prog, char **args, int must_exist,
|
||||
void (*done)(void *), void *arg));
|
||||
/* Run program prog with args in child */
|
||||
void reopen_log __P((void)); /* (re)open the connection to syslog */
|
||||
void update_link_stats __P((int)); /* Get stats at link termination */
|
||||
void script_setenv __P((char *, char *, int)); /* set script env var */
|
||||
void script_unsetenv __P((char *)); /* unset script env var */
|
||||
void new_phase __P((int)); /* signal start of new phase */
|
||||
void add_notifier __P((struct notifier **, notify_func, void *));
|
||||
void remove_notifier __P((struct notifier **, notify_func, void *));
|
||||
void notify __P((struct notifier *, int));
|
||||
int ppp_send_config __P((int, int, u_int32_t, int, int));
|
||||
int ppp_recv_config __P((int, int, u_int32_t, int, int));
|
||||
|
||||
/* Procedures exported from tty.c. */
|
||||
void tty_init __P((void));
|
||||
|
||||
/* Procedures exported from utils.c. */
|
||||
void log_packet __P((u_char *, int, char *, int));
|
||||
/* Format a packet and log it with syslog */
|
||||
void print_string __P((char *, int, void (*) (void *, char *, ...),
|
||||
void *)); /* Format a string for output */
|
||||
int slprintf __P((char *, int, char *, ...)); /* sprintf++ */
|
||||
int vslprintf __P((char *, int, char *, va_list)); /* vsprintf++ */
|
||||
size_t strlcpy __P((char *, const char *, size_t)); /* safe strcpy */
|
||||
size_t strlcat __P((char *, const char *, size_t)); /* safe strncpy */
|
||||
void dbglog __P((char *, ...)); /* log a debug message */
|
||||
void info __P((char *, ...)); /* log an informational message */
|
||||
void notice __P((char *, ...)); /* log a notice-level message */
|
||||
void warn __P((char *, ...)); /* log a warning message */
|
||||
void error __P((char *, ...)); /* log an error message */
|
||||
void fatal __P((char *, ...)); /* log an error message and die(1) */
|
||||
void init_pr_log __P((char *, int)); /* initialize for using pr_log */
|
||||
void pr_log __P((void *, char *, ...)); /* printer fn, output to syslog */
|
||||
void end_pr_log __P((void)); /* finish up after using pr_log */
|
||||
void dump_packet __P((const char *, u_char *, int));
|
||||
/* dump packet to debug log if interesting */
|
||||
ssize_t complete_read __P((int, void *, size_t));
|
||||
/* read a complete buffer */
|
||||
|
||||
/* Procedures exported from auth.c */
|
||||
void link_required __P((int)); /* we are starting to use the link */
|
||||
void link_terminated __P((int)); /* we are finished with the link */
|
||||
void link_down __P((int)); /* the LCP layer has left the Opened state */
|
||||
void link_established __P((int)); /* the link is up; authenticate now */
|
||||
void start_networks __P((int)); /* start all the network control protos */
|
||||
void continue_networks __P((int)); /* start network [ip, etc] control protos */
|
||||
void np_up __P((int, int)); /* a network protocol has come up */
|
||||
void np_down __P((int, int)); /* a network protocol has gone down */
|
||||
void np_finished __P((int, int)); /* a network protocol no longer needs link */
|
||||
void auth_peer_fail __P((int, int));
|
||||
/* peer failed to authenticate itself */
|
||||
void auth_peer_success __P((int, int, int, char *, int));
|
||||
/* peer successfully authenticated itself */
|
||||
void auth_withpeer_fail __P((int, int));
|
||||
/* we failed to authenticate ourselves */
|
||||
void auth_withpeer_success __P((int, int, int));
|
||||
/* we successfully authenticated ourselves */
|
||||
void auth_check_options __P((void));
|
||||
/* check authentication options supplied */
|
||||
void auth_reset __P((int)); /* check what secrets we have */
|
||||
int check_passwd __P((int, char *, int, char *, int, char **));
|
||||
/* Check peer-supplied username/password */
|
||||
int get_secret __P((int, char *, char *, char *, int *, int));
|
||||
/* get "secret" for chap */
|
||||
int get_srp_secret __P((int unit, char *client, char *server, char *secret,
|
||||
int am_server));
|
||||
int auth_ip_addr __P((int, u_int32_t));
|
||||
/* check if IP address is authorized */
|
||||
int auth_number __P((void)); /* check if remote number is authorized */
|
||||
int bad_ip_adrs __P((u_int32_t));
|
||||
/* check if IP address is unreasonable */
|
||||
|
||||
/* Procedures exported from demand.c */
|
||||
void demand_conf __P((void)); /* config interface(s) for demand-dial */
|
||||
void demand_block __P((void)); /* set all NPs to queue up packets */
|
||||
void demand_unblock __P((void)); /* set all NPs to pass packets */
|
||||
void demand_discard __P((void)); /* set all NPs to discard packets */
|
||||
void demand_rexmit __P((int)); /* retransmit saved frames for an NP */
|
||||
int loop_chars __P((unsigned char *, int)); /* process chars from loopback */
|
||||
int loop_frame __P((unsigned char *, int)); /* should we bring link up? */
|
||||
|
||||
/* Procedures exported from multilink.c */
|
||||
void mp_check_options __P((void)); /* Check multilink-related options */
|
||||
int mp_join_bundle __P((void)); /* join our link to an appropriate bundle */
|
||||
char *epdisc_to_str __P((struct epdisc *)); /* string from endpoint discrim. */
|
||||
int str_to_epdisc __P((struct epdisc *, char *)); /* endpt disc. from str */
|
||||
|
||||
/* Procedures exported from sys-*.c */
|
||||
void sys_init __P((void)); /* Do system-dependent initialization */
|
||||
void sys_cleanup __P((void)); /* Restore system state before exiting */
|
||||
int sys_check_options __P((void)); /* Check options specified */
|
||||
void sys_close __P((void)); /* Clean up in a child before execing */
|
||||
int ppp_available __P((void)); /* Test whether ppp kernel support exists */
|
||||
int get_pty __P((int *, int *, char *, int)); /* Get pty master/slave */
|
||||
int open_ppp_loopback __P((void)); /* Open loopback for demand-dialling */
|
||||
int tty_establish_ppp __P((int)); /* Turn serial port into a ppp interface */
|
||||
void tty_disestablish_ppp __P((int)); /* Restore port to normal operation */
|
||||
void generic_disestablish_ppp __P((int dev_fd)); /* Restore device setting */
|
||||
int generic_establish_ppp __P((int dev_fd)); /* Make a ppp interface */
|
||||
void make_new_bundle __P((int, int, int, int)); /* Create new bundle */
|
||||
int bundle_attach __P((int)); /* Attach link to existing bundle */
|
||||
void cfg_bundle __P((int, int, int, int)); /* Configure existing bundle */
|
||||
void clean_check __P((void)); /* Check if line was 8-bit clean */
|
||||
void set_up_tty __P((int, int)); /* Set up port's speed, parameters, etc. */
|
||||
void restore_tty __P((int)); /* Restore port's original parameters */
|
||||
void setdtr __P((int, int)); /* Raise or lower port's DTR line */
|
||||
void output __P((int, u_char *, int)); /* Output a PPP packet */
|
||||
void wait_input __P((struct timeval *));
|
||||
/* Wait for input, with timeout */
|
||||
void add_fd __P((int)); /* Add fd to set to wait for */
|
||||
void remove_fd __P((int)); /* Remove fd from set to wait for */
|
||||
int read_packet __P((u_char *)); /* Read PPP packet */
|
||||
int get_loop_output __P((void)); /* Read pkts from loopback */
|
||||
void tty_send_config __P((int, u_int32_t, int, int));
|
||||
/* Configure i/f transmit parameters */
|
||||
void tty_set_xaccm __P((ext_accm));
|
||||
/* Set extended transmit ACCM */
|
||||
void tty_recv_config __P((int, u_int32_t, int, int));
|
||||
/* Configure i/f receive parameters */
|
||||
int ccp_test __P((int, u_char *, int, int));
|
||||
/* Test support for compression scheme */
|
||||
void ccp_flags_set __P((int, int, int));
|
||||
/* Set kernel CCP state */
|
||||
int ccp_fatal_error __P((int)); /* Test for fatal decomp error in kernel */
|
||||
int get_idle_time __P((int, struct ppp_idle *));
|
||||
/* Find out how long link has been idle */
|
||||
int get_ppp_stats __P((int, struct pppd_stats *));
|
||||
/* Return link statistics */
|
||||
void netif_set_mtu __P((int, int)); /* Set PPP interface MTU */
|
||||
int netif_get_mtu __P((int)); /* Get PPP interface MTU */
|
||||
int sifvjcomp __P((int, int, int, int));
|
||||
/* Configure VJ TCP header compression */
|
||||
int sifup __P((int)); /* Configure i/f up for one protocol */
|
||||
int sifnpmode __P((int u, int proto, enum NPmode mode));
|
||||
/* Set mode for handling packets for proto */
|
||||
int sifdown __P((int)); /* Configure i/f down for one protocol */
|
||||
int sifaddr __P((int, u_int32_t, u_int32_t, u_int32_t));
|
||||
/* Configure IPv4 addresses for i/f */
|
||||
int cifaddr __P((int, u_int32_t, u_int32_t));
|
||||
/* Reset i/f IP addresses */
|
||||
#ifdef INET6
|
||||
int sif6addr __P((int, eui64_t, eui64_t));
|
||||
/* Configure IPv6 addresses for i/f */
|
||||
int cif6addr __P((int, eui64_t, eui64_t));
|
||||
/* Remove an IPv6 address from i/f */
|
||||
#endif
|
||||
#ifndef __linux__
|
||||
int sifdefaultroute __P((int, u_int32_t, u_int32_t));
|
||||
#else
|
||||
int sifdefaultroute __P((int, u_int32_t, u_int32_t, bool replace_default_rt));
|
||||
#endif
|
||||
/* Create default route through i/f */
|
||||
int cifdefaultroute __P((int, u_int32_t, u_int32_t));
|
||||
/* Delete default route through i/f */
|
||||
int sifproxyarp __P((int, u_int32_t));
|
||||
/* Add proxy ARP entry for peer */
|
||||
int cifproxyarp __P((int, u_int32_t));
|
||||
/* Delete proxy ARP entry for peer */
|
||||
u_int32_t GetMask __P((u_int32_t)); /* Get appropriate netmask for address */
|
||||
int lock __P((char *)); /* Create lock file for device */
|
||||
int relock __P((int)); /* Rewrite lock file with new pid */
|
||||
void unlock __P((void)); /* Delete previously-created lock file */
|
||||
int get_host_seed __P((void)); /* Get host-dependent random number seed */
|
||||
int have_route_to __P((u_int32_t)); /* Check if route to addr exists */
|
||||
#ifdef PPP_FILTER
|
||||
int set_filters __P((struct bpf_program *pass, struct bpf_program *active));
|
||||
/* Set filter programs in kernel */
|
||||
#endif
|
||||
#ifdef IPX_CHANGE
|
||||
int sipxfaddr __P((int, unsigned long, unsigned char *));
|
||||
int cipxfaddr __P((int));
|
||||
#endif
|
||||
int get_if_hwaddr __P((u_char *addr, char *name));
|
||||
char *get_first_ethernet __P((void));
|
||||
|
||||
/* Procedures exported from options.c */
|
||||
int setipaddr __P((char *, char **, int)); /* Set local/remote ip addresses */
|
||||
int parse_args __P((int argc, char **argv));
|
||||
/* Parse options from arguments given */
|
||||
int options_from_file __P((char *filename, int must_exist, int check_prot,
|
||||
int privileged));
|
||||
/* Parse options from an options file */
|
||||
int options_from_user __P((void)); /* Parse options from user's .ppprc */
|
||||
int options_for_tty __P((void)); /* Parse options from /etc/ppp/options.tty */
|
||||
int options_from_list __P((struct wordlist *, int privileged));
|
||||
/* Parse options from a wordlist */
|
||||
int getword __P((FILE *f, char *word, int *newlinep, char *filename));
|
||||
/* Read a word from a file */
|
||||
void option_error __P((char *fmt, ...));
|
||||
/* Print an error message about an option */
|
||||
int int_option __P((char *, int *));
|
||||
/* Simplified number_option for decimal ints */
|
||||
void add_options __P((option_t *)); /* Add extra options */
|
||||
void check_options __P((void)); /* check values after all options parsed */
|
||||
int override_value __P((const char *, int, const char *));
|
||||
/* override value if permitted by priority */
|
||||
void print_options __P((void (*) __P((void *, char *, ...)), void *));
|
||||
/* print out values of all options */
|
||||
|
||||
int parse_dotted_ip __P((char *, u_int32_t *));
|
||||
|
||||
/*
|
||||
* Hooks to enable plugins to change various things.
|
||||
*/
|
||||
extern int (*new_phase_hook) __P((int));
|
||||
extern int (*idle_time_hook) __P((struct ppp_idle *));
|
||||
extern int (*holdoff_hook) __P((void));
|
||||
extern int (*pap_check_hook) __P((void));
|
||||
extern int (*pap_auth_hook) __P((char *user, char *passwd, char **msgp,
|
||||
struct wordlist **paddrs,
|
||||
struct wordlist **popts));
|
||||
extern void (*pap_logout_hook) __P((void));
|
||||
extern int (*pap_passwd_hook) __P((char *user, char *passwd));
|
||||
extern int (*allowed_address_hook) __P((u_int32_t addr));
|
||||
extern void (*ip_up_hook) __P((void));
|
||||
extern void (*ip_down_hook) __P((void));
|
||||
extern void (*ip_choose_hook) __P((u_int32_t *));
|
||||
|
||||
extern int (*chap_check_hook) __P((void));
|
||||
extern int (*chap_passwd_hook) __P((char *user, char *passwd));
|
||||
|
||||
/* Let a plugin snoop sent and received packets. Useful for L2TP */
|
||||
extern void (*snoop_recv_hook) __P((unsigned char *p, int len));
|
||||
extern void (*snoop_send_hook) __P((unsigned char *p, int len));
|
||||
|
||||
/*
|
||||
* Inline versions of get/put char/short/long.
|
||||
* Pointer is advanced; we assume that both arguments
|
||||
* are lvalues and will already be in registers.
|
||||
* cp MUST be u_char *.
|
||||
*/
|
||||
#define GETCHAR(c, cp) { \
|
||||
(c) = *(cp)++; \
|
||||
}
|
||||
#define PUTCHAR(c, cp) { \
|
||||
*(cp)++ = (u_char) (c); \
|
||||
}
|
||||
|
||||
|
||||
#define GETSHORT(s, cp) { \
|
||||
(s) = *(cp)++ << 8; \
|
||||
(s) |= *(cp)++; \
|
||||
}
|
||||
#define PUTSHORT(s, cp) { \
|
||||
*(cp)++ = (u_char) ((s) >> 8); \
|
||||
*(cp)++ = (u_char) (s); \
|
||||
}
|
||||
|
||||
#define GETLONG(l, cp) { \
|
||||
(l) = *(cp)++ << 8; \
|
||||
(l) |= *(cp)++; (l) <<= 8; \
|
||||
(l) |= *(cp)++; (l) <<= 8; \
|
||||
(l) |= *(cp)++; \
|
||||
}
|
||||
#define PUTLONG(l, cp) { \
|
||||
*(cp)++ = (u_char) ((l) >> 24); \
|
||||
*(cp)++ = (u_char) ((l) >> 16); \
|
||||
*(cp)++ = (u_char) ((l) >> 8); \
|
||||
*(cp)++ = (u_char) (l); \
|
||||
}
|
||||
|
||||
#define INCPTR(n, cp) ((cp) += (n))
|
||||
#define DECPTR(n, cp) ((cp) -= (n))
|
||||
|
||||
/*
|
||||
* System dependent definitions for user-level 4.3BSD UNIX implementation.
|
||||
*/
|
||||
|
||||
#define TIMEOUT(r, f, t) timeout((r), (f), (t), 0)
|
||||
#define UNTIMEOUT(r, f) untimeout((r), (f))
|
||||
|
||||
#define BCOPY(s, d, l) memcpy(d, s, l)
|
||||
#define BZERO(s, n) memset(s, 0, n)
|
||||
#define BCMP(s1, s2, l) memcmp(s1, s2, l)
|
||||
|
||||
#define PRINTMSG(m, l) { info("Remote message: %0.*v", l, m); }
|
||||
|
||||
/*
|
||||
* MAKEHEADER - Add Header fields to a packet.
|
||||
*/
|
||||
#define MAKEHEADER(p, t) { \
|
||||
PUTCHAR(PPP_ALLSTATIONS, p); \
|
||||
PUTCHAR(PPP_UI, p); \
|
||||
PUTSHORT(t, p); }
|
||||
|
||||
/*
|
||||
* Exit status values.
|
||||
*/
|
||||
#define EXIT_OK 0
|
||||
#define EXIT_FATAL_ERROR 1
|
||||
#define EXIT_OPTION_ERROR 2
|
||||
#define EXIT_NOT_ROOT 3
|
||||
#define EXIT_NO_KERNEL_SUPPORT 4
|
||||
#define EXIT_USER_REQUEST 5
|
||||
#define EXIT_LOCK_FAILED 6
|
||||
#define EXIT_OPEN_FAILED 7
|
||||
#define EXIT_CONNECT_FAILED 8
|
||||
#define EXIT_PTYCMD_FAILED 9
|
||||
#define EXIT_NEGOTIATION_FAILED 10
|
||||
#define EXIT_PEER_AUTH_FAILED 11
|
||||
#define EXIT_IDLE_TIMEOUT 12
|
||||
#define EXIT_CONNECT_TIME 13
|
||||
#define EXIT_CALLBACK 14
|
||||
#define EXIT_PEER_DEAD 15
|
||||
#define EXIT_HANGUP 16
|
||||
#define EXIT_LOOPBACK 17
|
||||
#define EXIT_INIT_FAILED 18
|
||||
#define EXIT_AUTH_TOPEER_FAILED 19
|
||||
#ifdef MAXOCTETS
|
||||
#define EXIT_TRAFFIC_LIMIT 20
|
||||
#endif
|
||||
#define EXIT_CNID_AUTH_FAILED 21
|
||||
|
||||
/*
|
||||
* Debug macros. Slightly useful for finding bugs in pppd, not particularly
|
||||
* useful for finding out why your connection isn't being established.
|
||||
*/
|
||||
#ifdef DEBUGALL
|
||||
#define DEBUGMAIN 1
|
||||
#define DEBUGFSM 1
|
||||
#define DEBUGLCP 1
|
||||
#define DEBUGIPCP 1
|
||||
#define DEBUGIPV6CP 1
|
||||
#define DEBUGUPAP 1
|
||||
#define DEBUGCHAP 1
|
||||
#endif
|
||||
|
||||
#ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */
|
||||
#if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUGSYS) \
|
||||
|| defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \
|
||||
|| defined(DEBUGCHAP) || defined(DEBUG) || defined(DEBUGIPV6CP)
|
||||
#define LOG_PPP LOG_LOCAL2
|
||||
#else
|
||||
#define LOG_PPP LOG_DAEMON
|
||||
#endif
|
||||
#endif /* LOG_PPP */
|
||||
|
||||
#ifdef DEBUGMAIN
|
||||
#define MAINDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define MAINDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGSYS
|
||||
#define SYSDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define SYSDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGFSM
|
||||
#define FSMDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define FSMDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGLCP
|
||||
#define LCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define LCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPCP
|
||||
#define IPCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPV6CP
|
||||
#define IPV6CPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPV6CPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGUPAP
|
||||
#define UPAPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define UPAPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGCHAP
|
||||
#define CHAPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define CHAPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPXCP
|
||||
#define IPXCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPXCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifndef SIGTYPE
|
||||
#if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE)
|
||||
#define SIGTYPE void
|
||||
#else
|
||||
#define SIGTYPE int
|
||||
#endif /* defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) */
|
||||
#endif /* SIGTYPE */
|
||||
|
||||
#ifndef MIN
|
||||
#define MIN(a, b) ((a) < (b)? (a): (b))
|
||||
#endif
|
||||
#ifndef MAX
|
||||
#define MAX(a, b) ((a) > (b)? (a): (b))
|
||||
#endif
|
||||
|
||||
#ifndef offsetof
|
||||
#define offsetof(type, member) ((size_t) &((type *)0)->member)
|
||||
#endif
|
||||
|
||||
#endif /* __PPP_H__ */
|
|
@ -1,14 +0,0 @@
|
|||
# Makefile for the capiplugin for pppd(8).
|
||||
#
|
||||
# Copyright 2000 Carsten Paeth (calle@calle.in-berlin.de)
|
||||
# Copyright 2000 AVM GmbH Berlin (info@avm.de)
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License
|
||||
# as published by the Free Software Foundation; either version
|
||||
# 2 of the License, or (at your option) any later version.
|
||||
|
||||
PLUGINDIR=${DESTDIR}/usr/lib/pppd/$(PPPVERSION)
|
||||
|
||||
include $(TOPDIR)/Rules.make
|
||||
|
|
@ -1,4 +0,0 @@
|
|||
/* $Id: patchlevel.h,v 1.1 2003/05/18 20:22:12 calle Exp $ */
|
||||
|
||||
#define VERSION "2.4.2b3"
|
||||
#define DATE "1 May 2003"
|
|
@ -1,881 +0,0 @@
|
|||
/*
|
||||
* pppd.h - PPP daemon global declarations.
|
||||
*
|
||||
* Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
*
|
||||
* 3. The name "Carnegie Mellon University" must not be used to
|
||||
* endorse or promote products derived from this software without
|
||||
* prior written permission. For permission or any legal
|
||||
* details, please contact
|
||||
* Office of Technology Transfer
|
||||
* Carnegie Mellon University
|
||||
* 5000 Forbes Avenue
|
||||
* Pittsburgh, PA 15213-3890
|
||||
* (412) 268-4387, fax: (412) 268-7395
|
||||
* tech-transfer@andrew.cmu.edu
|
||||
*
|
||||
* 4. Redistributions of any form whatsoever must retain the following
|
||||
* acknowledgment:
|
||||
* "This product includes software developed by Computing Services
|
||||
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
|
||||
*
|
||||
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
|
||||
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
||||
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
|
||||
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
|
||||
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
|
||||
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* $Id: pppd.h,v 1.1 2003/05/18 20:22:12 calle Exp $
|
||||
*/
|
||||
|
||||
/*
|
||||
* TODO:
|
||||
*/
|
||||
|
||||
#ifndef __PPPD_H__
|
||||
#define __PPPD_H__
|
||||
|
||||
#include <stdio.h> /* for FILE */
|
||||
#include <limits.h> /* for NGROUPS_MAX */
|
||||
#include <sys/param.h> /* for MAXPATHLEN and BSD4_4, if defined */
|
||||
#include <sys/types.h> /* for u_int32_t, if defined */
|
||||
#include <sys/time.h> /* for struct timeval */
|
||||
#include <net/ppp_defs.h>
|
||||
#include "patchlevel.h"
|
||||
|
||||
#if defined(__STDC__)
|
||||
#include <stdarg.h>
|
||||
#define __V(x) x
|
||||
#else
|
||||
#include <varargs.h>
|
||||
#define __V(x) (va_alist) va_dcl
|
||||
#define const
|
||||
#define volatile
|
||||
#endif
|
||||
|
||||
#ifdef INET6
|
||||
#include "eui64.h"
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Limits.
|
||||
*/
|
||||
|
||||
#define NUM_PPP 1 /* One PPP interface supported (per process) */
|
||||
#define MAXWORDLEN 1024 /* max length of word in file (incl null) */
|
||||
#define MAXARGS 1 /* max # args to a command */
|
||||
#define MAXNAMELEN 256 /* max length of hostname or name for auth */
|
||||
#define MAXSECRETLEN 256 /* max length of password or secret */
|
||||
|
||||
/*
|
||||
* Option descriptor structure.
|
||||
*/
|
||||
|
||||
typedef unsigned char bool;
|
||||
|
||||
enum opt_type {
|
||||
o_special_noarg = 0,
|
||||
o_special = 1,
|
||||
o_bool,
|
||||
o_int,
|
||||
o_uint32,
|
||||
o_string,
|
||||
o_wild
|
||||
};
|
||||
|
||||
typedef struct {
|
||||
char *name; /* name of the option */
|
||||
enum opt_type type;
|
||||
void *addr;
|
||||
char *description;
|
||||
unsigned int flags;
|
||||
void *addr2;
|
||||
int upper_limit;
|
||||
int lower_limit;
|
||||
const char *source;
|
||||
short int priority;
|
||||
short int winner;
|
||||
} option_t;
|
||||
|
||||
/* Values for flags */
|
||||
#define OPT_VALUE 0xff /* mask for presupplied value */
|
||||
#define OPT_HEX 0x100 /* int option is in hex */
|
||||
#define OPT_NOARG 0x200 /* option doesn't take argument */
|
||||
#define OPT_OR 0x400 /* OR in argument to value */
|
||||
#define OPT_INC 0x800 /* increment value */
|
||||
#define OPT_A2OR 0x800 /* for o_bool, OR arg to *(u_char *)addr2 */
|
||||
#define OPT_PRIV 0x1000 /* privileged option */
|
||||
#define OPT_STATIC 0x2000 /* string option goes into static array */
|
||||
#define OPT_LLIMIT 0x4000 /* check value against lower limit */
|
||||
#define OPT_ULIMIT 0x8000 /* check value against upper limit */
|
||||
#define OPT_LIMITS (OPT_LLIMIT|OPT_ULIMIT)
|
||||
#define OPT_ZEROOK 0x10000 /* 0 value is OK even if not within limits */
|
||||
#define OPT_HIDE 0x10000 /* for o_string, print value as ?????? */
|
||||
#define OPT_A2LIST 0x10000 /* for o_special, keep list of values */
|
||||
#define OPT_A2CLRB 0x10000 /* o_bool, clr val bits in *(u_char *)addr2 */
|
||||
#define OPT_NOINCR 0x20000 /* value mustn't be increased */
|
||||
#define OPT_ZEROINF 0x40000 /* with OPT_NOINCR, 0 == infinity */
|
||||
#define OPT_PRIO 0x80000 /* process option priorities for this option */
|
||||
#define OPT_PRIOSUB 0x100000 /* subsidiary member of priority group */
|
||||
#define OPT_ALIAS 0x200000 /* option is alias for previous option */
|
||||
#define OPT_A2COPY 0x400000 /* addr2 -> second location to rcv value */
|
||||
#define OPT_ENABLE 0x800000 /* use *addr2 as enable for option */
|
||||
#define OPT_A2CLR 0x1000000 /* clear *(bool *)addr2 */
|
||||
#define OPT_PRIVFIX 0x2000000 /* user can't override if set by root */
|
||||
#define OPT_INITONLY 0x4000000 /* option can only be set in init phase */
|
||||
#define OPT_DEVEQUIV 0x8000000 /* equiv to device name */
|
||||
#define OPT_DEVNAM (OPT_INITONLY | OPT_DEVEQUIV)
|
||||
#define OPT_A2PRINTER 0x10000000 /* *addr2 is a fn for printing option */
|
||||
#define OPT_A2STRVAL 0x20000000 /* *addr2 points to current string value */
|
||||
#define OPT_NOPRINT 0x40000000 /* don't print this option at all */
|
||||
|
||||
#define OPT_VAL(x) ((x) & OPT_VALUE)
|
||||
|
||||
/* Values for priority */
|
||||
#define OPRIO_DEFAULT 0 /* a default value */
|
||||
#define OPRIO_CFGFILE 1 /* value from a configuration file */
|
||||
#define OPRIO_CMDLINE 2 /* value from the command line */
|
||||
#define OPRIO_SECFILE 3 /* value from options in a secrets file */
|
||||
#define OPRIO_ROOT 100 /* added to priority if OPT_PRIVFIX && root */
|
||||
|
||||
#ifndef GIDSET_TYPE
|
||||
#define GIDSET_TYPE gid_t
|
||||
#endif
|
||||
|
||||
/* Structure representing a list of permitted IP addresses. */
|
||||
struct permitted_ip {
|
||||
int permit; /* 1 = permit, 0 = forbid */
|
||||
u_int32_t base; /* match if (addr & mask) == base */
|
||||
u_int32_t mask; /* base and mask are in network byte order */
|
||||
};
|
||||
|
||||
/*
|
||||
* Unfortunately, the linux kernel driver uses a different structure
|
||||
* for statistics from the rest of the ports.
|
||||
* This structure serves as a common representation for the bits
|
||||
* pppd needs.
|
||||
*/
|
||||
struct pppd_stats {
|
||||
unsigned int bytes_in;
|
||||
unsigned int bytes_out;
|
||||
unsigned int pkts_in;
|
||||
unsigned int pkts_out;
|
||||
};
|
||||
|
||||
/* Used for storing a sequence of words. Usually malloced. */
|
||||
struct wordlist {
|
||||
struct wordlist *next;
|
||||
char *word;
|
||||
};
|
||||
|
||||
/* An endpoint discriminator, used with multilink. */
|
||||
#define MAX_ENDP_LEN 20 /* maximum length of discriminator value */
|
||||
struct epdisc {
|
||||
unsigned char class;
|
||||
unsigned char length;
|
||||
unsigned char value[MAX_ENDP_LEN];
|
||||
};
|
||||
|
||||
/* values for epdisc.class */
|
||||
#define EPD_NULL 0 /* null discriminator, no data */
|
||||
#define EPD_LOCAL 1
|
||||
#define EPD_IP 2
|
||||
#define EPD_MAC 3
|
||||
#define EPD_MAGIC 4
|
||||
#define EPD_PHONENUM 5
|
||||
|
||||
typedef void (*notify_func) __P((void *, int));
|
||||
|
||||
struct notifier {
|
||||
struct notifier *next;
|
||||
notify_func func;
|
||||
void *arg;
|
||||
};
|
||||
|
||||
/*
|
||||
* Global variables.
|
||||
*/
|
||||
|
||||
extern int hungup; /* Physical layer has disconnected */
|
||||
extern int ifunit; /* Interface unit number */
|
||||
extern char ifname[]; /* Interface name */
|
||||
extern char hostname[]; /* Our hostname */
|
||||
extern u_char outpacket_buf[]; /* Buffer for outgoing packets */
|
||||
extern int phase; /* Current state of link - see values below */
|
||||
extern int baud_rate; /* Current link speed in bits/sec */
|
||||
extern char *progname; /* Name of this program */
|
||||
extern int redirect_stderr;/* Connector's stderr should go to file */
|
||||
extern char peer_authname[];/* Authenticated name of peer */
|
||||
extern int auth_done[NUM_PPP]; /* Methods actually used for auth */
|
||||
extern int privileged; /* We were run by real-uid root */
|
||||
extern int need_holdoff; /* Need holdoff period after link terminates */
|
||||
extern char **script_env; /* Environment variables for scripts */
|
||||
extern int detached; /* Have detached from controlling tty */
|
||||
extern GIDSET_TYPE groups[NGROUPS_MAX]; /* groups the user is in */
|
||||
extern int ngroups; /* How many groups valid in groups */
|
||||
extern struct pppd_stats link_stats; /* byte/packet counts etc. for link */
|
||||
extern int link_stats_valid; /* set if link_stats is valid */
|
||||
extern unsigned link_connect_time; /* time the link was up for */
|
||||
extern int using_pty; /* using pty as device (notty or pty opt.) */
|
||||
extern int log_to_fd; /* logging to this fd as well as syslog */
|
||||
extern bool log_default; /* log_to_fd is default (stdout) */
|
||||
extern char *no_ppp_msg; /* message to print if ppp not in kernel */
|
||||
extern volatile int status; /* exit status for pppd */
|
||||
extern bool devnam_fixed; /* can no longer change devnam */
|
||||
extern int unsuccess; /* # unsuccessful connection attempts */
|
||||
extern int do_callback; /* set if we want to do callback next */
|
||||
extern int doing_callback; /* set if this is a callback */
|
||||
extern int error_count; /* # of times error() has been called */
|
||||
extern char ppp_devnam[MAXPATHLEN];
|
||||
extern char remote_number[MAXNAMELEN]; /* Remote telephone number, if avail. */
|
||||
extern int ppp_session_number; /* Session number (eg PPPoE session) */
|
||||
|
||||
extern int listen_time; /* time to listen first (ms) */
|
||||
extern struct notifier *pidchange; /* for notifications of pid changing */
|
||||
extern struct notifier *phasechange; /* for notifications of phase changes */
|
||||
extern struct notifier *exitnotify; /* for notification that we're exiting */
|
||||
extern struct notifier *sigreceived; /* notification of received signal */
|
||||
extern struct notifier *ip_up_notifier; /* IPCP has come up */
|
||||
extern struct notifier *ip_down_notifier; /* IPCP has gone down */
|
||||
extern struct notifier *auth_up_notifier; /* peer has authenticated */
|
||||
extern struct notifier *link_down_notifier; /* link has gone down */
|
||||
extern struct notifier *fork_notifier; /* we are a new child process */
|
||||
|
||||
/* Values for do_callback and doing_callback */
|
||||
#define CALLBACK_DIALIN 1 /* we are expecting the call back */
|
||||
#define CALLBACK_DIALOUT 2 /* we are dialling out to call back */
|
||||
|
||||
/*
|
||||
* Variables set by command-line options.
|
||||
*/
|
||||
|
||||
extern int debug; /* Debug flag */
|
||||
extern int kdebugflag; /* Tell kernel to print debug messages */
|
||||
extern int default_device; /* Using /dev/tty or equivalent */
|
||||
extern char devnam[MAXPATHLEN]; /* Device name */
|
||||
extern int crtscts; /* Use hardware flow control */
|
||||
extern bool modem; /* Use modem control lines */
|
||||
extern int inspeed; /* Input/Output speed requested */
|
||||
extern u_int32_t netmask; /* IP netmask to set on interface */
|
||||
extern bool lockflag; /* Create lock file to lock the serial dev */
|
||||
extern bool nodetach; /* Don't detach from controlling tty */
|
||||
extern bool updetach; /* Detach from controlling tty when link up */
|
||||
extern char *initializer; /* Script to initialize physical link */
|
||||
extern char *connect_script; /* Script to establish physical link */
|
||||
extern char *disconnect_script; /* Script to disestablish physical link */
|
||||
extern char *welcomer; /* Script to welcome client after connection */
|
||||
extern char *ptycommand; /* Command to run on other side of pty */
|
||||
extern int maxconnect; /* Maximum connect time (seconds) */
|
||||
extern char user[MAXNAMELEN];/* Our name for authenticating ourselves */
|
||||
extern char passwd[MAXSECRETLEN]; /* Password for PAP or CHAP */
|
||||
extern bool auth_required; /* Peer is required to authenticate */
|
||||
extern bool persist; /* Reopen link after it goes down */
|
||||
extern bool uselogin; /* Use /etc/passwd for checking PAP */
|
||||
extern char our_name[MAXNAMELEN];/* Our name for authentication purposes */
|
||||
extern char remote_name[MAXNAMELEN]; /* Peer's name for authentication */
|
||||
extern bool explicit_remote;/* remote_name specified with remotename opt */
|
||||
extern bool demand; /* Do dial-on-demand */
|
||||
extern char *ipparam; /* Extra parameter for ip up/down scripts */
|
||||
extern bool cryptpap; /* Others' PAP passwords are encrypted */
|
||||
extern int idle_time_limit;/* Shut down link if idle for this long */
|
||||
extern int holdoff; /* Dead time before restarting */
|
||||
extern bool holdoff_specified; /* true if user gave a holdoff value */
|
||||
extern bool notty; /* Stdin/out is not a tty */
|
||||
extern char *pty_socket; /* Socket to connect to pty */
|
||||
extern char *record_file; /* File to record chars sent/received */
|
||||
extern bool sync_serial; /* Device is synchronous serial device */
|
||||
extern int maxfail; /* Max # of unsuccessful connection attempts */
|
||||
extern char linkname[MAXPATHLEN]; /* logical name for link */
|
||||
extern bool tune_kernel; /* May alter kernel settings as necessary */
|
||||
extern int connect_delay; /* Time to delay after connect script */
|
||||
extern int max_data_rate; /* max bytes/sec through charshunt */
|
||||
extern int req_unit; /* interface unit number to use */
|
||||
extern bool multilink; /* enable multilink operation */
|
||||
extern bool noendpoint; /* don't send or accept endpt. discrim. */
|
||||
extern char *bundle_name; /* bundle name for multilink */
|
||||
extern bool dump_options; /* print out option values */
|
||||
extern bool dryrun; /* check everything, print options, exit */
|
||||
|
||||
#ifdef MAXOCTETS
|
||||
extern unsigned int maxoctets; /* Maximum octetes per session (in bytes) */
|
||||
extern int maxoctets_dir; /* Direction :
|
||||
0 - in+out (default)
|
||||
1 - in
|
||||
2 - out
|
||||
3 - max(in,out) */
|
||||
extern int maxoctets_timeout; /* Timeout for check of octets limit */
|
||||
#define PPP_OCTETS_DIRECTION_SUM 0
|
||||
#define PPP_OCTETS_DIRECTION_IN 1
|
||||
#define PPP_OCTETS_DIRECTION_OUT 2
|
||||
#define PPP_OCTETS_DIRECTION_MAXOVERAL 3
|
||||
/* same as previos, but little different on RADIUS side */
|
||||
#define PPP_OCTETS_DIRECTION_MAXSESSION 4
|
||||
#endif
|
||||
|
||||
#ifdef PPP_FILTER
|
||||
extern struct bpf_program pass_filter; /* Filter for pkts to pass */
|
||||
extern struct bpf_program active_filter; /* Filter for link-active pkts */
|
||||
#endif
|
||||
|
||||
#ifdef MSLANMAN
|
||||
extern bool ms_lanman; /* Use LanMan password instead of NT */
|
||||
/* Has meaning only with MS-CHAP challenges */
|
||||
#endif
|
||||
|
||||
/* Values for auth_pending, auth_done */
|
||||
#define PAP_WITHPEER 0x1
|
||||
#define PAP_PEER 0x2
|
||||
#define CHAP_WITHPEER 0x4
|
||||
#define CHAP_PEER 0x8
|
||||
#define EAP_WITHPEER 0x10
|
||||
#define EAP_PEER 0x20
|
||||
|
||||
/* Values for auth_done only */
|
||||
#define CHAP_MD5_WITHPEER 0x40
|
||||
#define CHAP_MD5_PEER 0x80
|
||||
#ifdef CHAPMS
|
||||
#define CHAP_MS_SHIFT 8 /* LSB position for MS auths */
|
||||
#define CHAP_MS_WITHPEER 0x100
|
||||
#define CHAP_MS_PEER 0x200
|
||||
#define CHAP_MS2_WITHPEER 0x400
|
||||
#define CHAP_MS2_PEER 0x800
|
||||
#endif
|
||||
|
||||
extern char *current_option; /* the name of the option being parsed */
|
||||
extern int privileged_option; /* set iff the current option came from root */
|
||||
extern char *option_source; /* string saying where the option came from */
|
||||
extern int option_priority; /* priority of current options */
|
||||
|
||||
/*
|
||||
* Values for phase.
|
||||
*/
|
||||
#define PHASE_DEAD 0
|
||||
#define PHASE_INITIALIZE 1
|
||||
#define PHASE_SERIALCONN 2
|
||||
#define PHASE_DORMANT 3
|
||||
#define PHASE_ESTABLISH 4
|
||||
#define PHASE_AUTHENTICATE 5
|
||||
#define PHASE_CALLBACK 6
|
||||
#define PHASE_NETWORK 7
|
||||
#define PHASE_RUNNING 8
|
||||
#define PHASE_TERMINATE 9
|
||||
#define PHASE_DISCONNECT 10
|
||||
#define PHASE_HOLDOFF 11
|
||||
|
||||
/*
|
||||
* The following struct gives the addresses of procedures to call
|
||||
* for a particular protocol.
|
||||
*/
|
||||
struct protent {
|
||||
u_short protocol; /* PPP protocol number */
|
||||
/* Initialization procedure */
|
||||
void (*init) __P((int unit));
|
||||
/* Process a received packet */
|
||||
void (*input) __P((int unit, u_char *pkt, int len));
|
||||
/* Process a received protocol-reject */
|
||||
void (*protrej) __P((int unit));
|
||||
/* Lower layer has come up */
|
||||
void (*lowerup) __P((int unit));
|
||||
/* Lower layer has gone down */
|
||||
void (*lowerdown) __P((int unit));
|
||||
/* Open the protocol */
|
||||
void (*open) __P((int unit));
|
||||
/* Close the protocol */
|
||||
void (*close) __P((int unit, char *reason));
|
||||
/* Print a packet in readable form */
|
||||
int (*printpkt) __P((u_char *pkt, int len,
|
||||
void (*printer) __P((void *, char *, ...)),
|
||||
void *arg));
|
||||
/* Process a received data packet */
|
||||
void (*datainput) __P((int unit, u_char *pkt, int len));
|
||||
bool enabled_flag; /* 0 iff protocol is disabled */
|
||||
char *name; /* Text name of protocol */
|
||||
char *data_name; /* Text name of corresponding data protocol */
|
||||
option_t *options; /* List of command-line options */
|
||||
/* Check requested options, assign defaults */
|
||||
void (*check_options) __P((void));
|
||||
/* Configure interface for demand-dial */
|
||||
int (*demand_conf) __P((int unit));
|
||||
/* Say whether to bring up link for this pkt */
|
||||
int (*active_pkt) __P((u_char *pkt, int len));
|
||||
};
|
||||
|
||||
/* Table of pointers to supported protocols */
|
||||
extern struct protent *protocols[];
|
||||
|
||||
/*
|
||||
* This struct contains pointers to a set of procedures for
|
||||
* doing operations on a "channel". A channel provides a way
|
||||
* to send and receive PPP packets - the canonical example is
|
||||
* a serial port device in PPP line discipline (or equivalently
|
||||
* with PPP STREAMS modules pushed onto it).
|
||||
*/
|
||||
struct channel {
|
||||
/* set of options for this channel */
|
||||
option_t *options;
|
||||
/* find and process a per-channel options file */
|
||||
void (*process_extra_options) __P((void));
|
||||
/* check all the options that have been given */
|
||||
void (*check_options) __P((void));
|
||||
/* get the channel ready to do PPP, return a file descriptor */
|
||||
int (*connect) __P((void));
|
||||
/* we're finished with the channel */
|
||||
void (*disconnect) __P((void));
|
||||
/* put the channel into PPP `mode' */
|
||||
int (*establish_ppp) __P((int));
|
||||
/* take the channel out of PPP `mode', restore loopback if demand */
|
||||
void (*disestablish_ppp) __P((int));
|
||||
/* set the transmit-side PPP parameters of the channel */
|
||||
void (*send_config) __P((int, u_int32_t, int, int));
|
||||
/* set the receive-side PPP parameters of the channel */
|
||||
void (*recv_config) __P((int, u_int32_t, int, int));
|
||||
/* cleanup on error or normal exit */
|
||||
void (*cleanup) __P((void));
|
||||
/* close the device, called in children after fork */
|
||||
void (*close) __P((void));
|
||||
};
|
||||
|
||||
extern struct channel *the_channel;
|
||||
|
||||
/*
|
||||
* Prototypes.
|
||||
*/
|
||||
|
||||
/* Procedures exported from main.c. */
|
||||
void set_ifunit __P((int)); /* set stuff that depends on ifunit */
|
||||
void detach __P((void)); /* Detach from controlling tty */
|
||||
void die __P((int)); /* Cleanup and exit */
|
||||
void quit __P((void)); /* like die(1) */
|
||||
void novm __P((char *)); /* Say we ran out of memory, and die */
|
||||
void timeout __P((void (*func)(void *), void *arg, int s, int us));
|
||||
/* Call func(arg) after s.us seconds */
|
||||
void untimeout __P((void (*func)(void *), void *arg));
|
||||
/* Cancel call to func(arg) */
|
||||
void record_child __P((int, char *, void (*) (void *), void *));
|
||||
pid_t safe_fork __P((void)); /* Fork & close stuff in child */
|
||||
int device_script __P((char *cmd, int in, int out, int dont_wait));
|
||||
/* Run `cmd' with given stdin and stdout */
|
||||
pid_t run_program __P((char *prog, char **args, int must_exist,
|
||||
void (*done)(void *), void *arg));
|
||||
/* Run program prog with args in child */
|
||||
void reopen_log __P((void)); /* (re)open the connection to syslog */
|
||||
void update_link_stats __P((int)); /* Get stats at link termination */
|
||||
void script_setenv __P((char *, char *, int)); /* set script env var */
|
||||
void script_unsetenv __P((char *)); /* unset script env var */
|
||||
void new_phase __P((int)); /* signal start of new phase */
|
||||
void add_notifier __P((struct notifier **, notify_func, void *));
|
||||
void remove_notifier __P((struct notifier **, notify_func, void *));
|
||||
void notify __P((struct notifier *, int));
|
||||
int ppp_send_config __P((int, int, u_int32_t, int, int));
|
||||
int ppp_recv_config __P((int, int, u_int32_t, int, int));
|
||||
|
||||
/* Procedures exported from tty.c. */
|
||||
void tty_init __P((void));
|
||||
|
||||
/* Procedures exported from utils.c. */
|
||||
void log_packet __P((u_char *, int, char *, int));
|
||||
/* Format a packet and log it with syslog */
|
||||
void print_string __P((char *, int, void (*) (void *, char *, ...),
|
||||
void *)); /* Format a string for output */
|
||||
int slprintf __P((char *, int, char *, ...)); /* sprintf++ */
|
||||
int vslprintf __P((char *, int, char *, va_list)); /* vsprintf++ */
|
||||
size_t strlcpy __P((char *, const char *, size_t)); /* safe strcpy */
|
||||
size_t strlcat __P((char *, const char *, size_t)); /* safe strncpy */
|
||||
void dbglog __P((char *, ...)); /* log a debug message */
|
||||
void info __P((char *, ...)); /* log an informational message */
|
||||
void notice __P((char *, ...)); /* log a notice-level message */
|
||||
void warn __P((char *, ...)); /* log a warning message */
|
||||
void error __P((char *, ...)); /* log an error message */
|
||||
void fatal __P((char *, ...)); /* log an error message and die(1) */
|
||||
void init_pr_log __P((char *, int)); /* initialize for using pr_log */
|
||||
void pr_log __P((void *, char *, ...)); /* printer fn, output to syslog */
|
||||
void end_pr_log __P((void)); /* finish up after using pr_log */
|
||||
void dump_packet __P((const char *, u_char *, int));
|
||||
/* dump packet to debug log if interesting */
|
||||
ssize_t complete_read __P((int, void *, size_t));
|
||||
/* read a complete buffer */
|
||||
|
||||
/* Procedures exported from auth.c */
|
||||
void link_required __P((int)); /* we are starting to use the link */
|
||||
void link_terminated __P((int)); /* we are finished with the link */
|
||||
void link_down __P((int)); /* the LCP layer has left the Opened state */
|
||||
void link_established __P((int)); /* the link is up; authenticate now */
|
||||
void start_networks __P((int)); /* start all the network control protos */
|
||||
void continue_networks __P((int)); /* start network [ip, etc] control protos */
|
||||
void np_up __P((int, int)); /* a network protocol has come up */
|
||||
void np_down __P((int, int)); /* a network protocol has gone down */
|
||||
void np_finished __P((int, int)); /* a network protocol no longer needs link */
|
||||
void auth_peer_fail __P((int, int));
|
||||
/* peer failed to authenticate itself */
|
||||
void auth_peer_success __P((int, int, int, char *, int));
|
||||
/* peer successfully authenticated itself */
|
||||
void auth_withpeer_fail __P((int, int));
|
||||
/* we failed to authenticate ourselves */
|
||||
void auth_withpeer_success __P((int, int, int));
|
||||
/* we successfully authenticated ourselves */
|
||||
void auth_check_options __P((void));
|
||||
/* check authentication options supplied */
|
||||
void auth_reset __P((int)); /* check what secrets we have */
|
||||
int check_passwd __P((int, char *, int, char *, int, char **));
|
||||
/* Check peer-supplied username/password */
|
||||
int get_secret __P((int, char *, char *, char *, int *, int));
|
||||
/* get "secret" for chap */
|
||||
int get_srp_secret __P((int unit, char *client, char *server, char *secret,
|
||||
int am_server));
|
||||
int auth_ip_addr __P((int, u_int32_t));
|
||||
/* check if IP address is authorized */
|
||||
int auth_number __P((void)); /* check if remote number is authorized */
|
||||
int bad_ip_adrs __P((u_int32_t));
|
||||
/* check if IP address is unreasonable */
|
||||
|
||||
/* Procedures exported from demand.c */
|
||||
void demand_conf __P((void)); /* config interface(s) for demand-dial */
|
||||
void demand_block __P((void)); /* set all NPs to queue up packets */
|
||||
void demand_unblock __P((void)); /* set all NPs to pass packets */
|
||||
void demand_discard __P((void)); /* set all NPs to discard packets */
|
||||
void demand_rexmit __P((int)); /* retransmit saved frames for an NP */
|
||||
int loop_chars __P((unsigned char *, int)); /* process chars from loopback */
|
||||
int loop_frame __P((unsigned char *, int)); /* should we bring link up? */
|
||||
|
||||
/* Procedures exported from multilink.c */
|
||||
void mp_check_options __P((void)); /* Check multilink-related options */
|
||||
int mp_join_bundle __P((void)); /* join our link to an appropriate bundle */
|
||||
char *epdisc_to_str __P((struct epdisc *)); /* string from endpoint discrim. */
|
||||
int str_to_epdisc __P((struct epdisc *, char *)); /* endpt disc. from str */
|
||||
|
||||
/* Procedures exported from sys-*.c */
|
||||
void sys_init __P((void)); /* Do system-dependent initialization */
|
||||
void sys_cleanup __P((void)); /* Restore system state before exiting */
|
||||
int sys_check_options __P((void)); /* Check options specified */
|
||||
void sys_close __P((void)); /* Clean up in a child before execing */
|
||||
int ppp_available __P((void)); /* Test whether ppp kernel support exists */
|
||||
int get_pty __P((int *, int *, char *, int)); /* Get pty master/slave */
|
||||
int open_ppp_loopback __P((void)); /* Open loopback for demand-dialling */
|
||||
int tty_establish_ppp __P((int)); /* Turn serial port into a ppp interface */
|
||||
void tty_disestablish_ppp __P((int)); /* Restore port to normal operation */
|
||||
void generic_disestablish_ppp __P((int dev_fd)); /* Restore device setting */
|
||||
int generic_establish_ppp __P((int dev_fd)); /* Make a ppp interface */
|
||||
void make_new_bundle __P((int, int, int, int)); /* Create new bundle */
|
||||
int bundle_attach __P((int)); /* Attach link to existing bundle */
|
||||
void cfg_bundle __P((int, int, int, int)); /* Configure existing bundle */
|
||||
void clean_check __P((void)); /* Check if line was 8-bit clean */
|
||||
void set_up_tty __P((int, int)); /* Set up port's speed, parameters, etc. */
|
||||
void restore_tty __P((int)); /* Restore port's original parameters */
|
||||
void setdtr __P((int, int)); /* Raise or lower port's DTR line */
|
||||
void output __P((int, u_char *, int)); /* Output a PPP packet */
|
||||
void wait_input __P((struct timeval *));
|
||||
/* Wait for input, with timeout */
|
||||
void add_fd __P((int)); /* Add fd to set to wait for */
|
||||
void remove_fd __P((int)); /* Remove fd from set to wait for */
|
||||
int read_packet __P((u_char *)); /* Read PPP packet */
|
||||
int get_loop_output __P((void)); /* Read pkts from loopback */
|
||||
void tty_send_config __P((int, u_int32_t, int, int));
|
||||
/* Configure i/f transmit parameters */
|
||||
void tty_set_xaccm __P((ext_accm));
|
||||
/* Set extended transmit ACCM */
|
||||
void tty_recv_config __P((int, u_int32_t, int, int));
|
||||
/* Configure i/f receive parameters */
|
||||
int ccp_test __P((int, u_char *, int, int));
|
||||
/* Test support for compression scheme */
|
||||
void ccp_flags_set __P((int, int, int));
|
||||
/* Set kernel CCP state */
|
||||
int ccp_fatal_error __P((int)); /* Test for fatal decomp error in kernel */
|
||||
int get_idle_time __P((int, struct ppp_idle *));
|
||||
/* Find out how long link has been idle */
|
||||
int get_ppp_stats __P((int, struct pppd_stats *));
|
||||
/* Return link statistics */
|
||||
void netif_set_mtu __P((int, int)); /* Set PPP interface MTU */
|
||||
int netif_get_mtu __P((int)); /* Get PPP interface MTU */
|
||||
int sifvjcomp __P((int, int, int, int));
|
||||
/* Configure VJ TCP header compression */
|
||||
int sifup __P((int)); /* Configure i/f up for one protocol */
|
||||
int sifnpmode __P((int u, int proto, enum NPmode mode));
|
||||
/* Set mode for handling packets for proto */
|
||||
int sifdown __P((int)); /* Configure i/f down for one protocol */
|
||||
int sifaddr __P((int, u_int32_t, u_int32_t, u_int32_t));
|
||||
/* Configure IPv4 addresses for i/f */
|
||||
int cifaddr __P((int, u_int32_t, u_int32_t));
|
||||
/* Reset i/f IP addresses */
|
||||
#ifdef INET6
|
||||
int sif6addr __P((int, eui64_t, eui64_t));
|
||||
/* Configure IPv6 addresses for i/f */
|
||||
int cif6addr __P((int, eui64_t, eui64_t));
|
||||
/* Remove an IPv6 address from i/f */
|
||||
#endif
|
||||
int sifdefaultroute __P((int, u_int32_t, u_int32_t));
|
||||
/* Create default route through i/f */
|
||||
int cifdefaultroute __P((int, u_int32_t, u_int32_t));
|
||||
/* Delete default route through i/f */
|
||||
int sifproxyarp __P((int, u_int32_t));
|
||||
/* Add proxy ARP entry for peer */
|
||||
int cifproxyarp __P((int, u_int32_t));
|
||||
/* Delete proxy ARP entry for peer */
|
||||
u_int32_t GetMask __P((u_int32_t)); /* Get appropriate netmask for address */
|
||||
int lock __P((char *)); /* Create lock file for device */
|
||||
int relock __P((int)); /* Rewrite lock file with new pid */
|
||||
void unlock __P((void)); /* Delete previously-created lock file */
|
||||
void logwtmp __P((const char *, const char *, const char *));
|
||||
/* Write entry to wtmp file */
|
||||
int get_host_seed __P((void)); /* Get host-dependent random number seed */
|
||||
int have_route_to __P((u_int32_t)); /* Check if route to addr exists */
|
||||
#ifdef PPP_FILTER
|
||||
int set_filters __P((struct bpf_program *pass, struct bpf_program *active));
|
||||
/* Set filter programs in kernel */
|
||||
#endif
|
||||
#ifdef IPX_CHANGE
|
||||
int sipxfaddr __P((int, unsigned long, unsigned char *));
|
||||
int cipxfaddr __P((int));
|
||||
#endif
|
||||
int get_if_hwaddr __P((u_char *addr, char *name));
|
||||
char *get_first_ethernet __P((void));
|
||||
|
||||
/* Procedures exported from options.c */
|
||||
int setipaddr __P((char *, char **, int)); /* Set local/remote ip addresses */
|
||||
int parse_args __P((int argc, char **argv));
|
||||
/* Parse options from arguments given */
|
||||
int options_from_file __P((char *filename, int must_exist, int check_prot,
|
||||
int privileged));
|
||||
/* Parse options from an options file */
|
||||
int options_from_user __P((void)); /* Parse options from user's .ppprc */
|
||||
int options_for_tty __P((void)); /* Parse options from /etc/ppp/options.tty */
|
||||
int options_from_list __P((struct wordlist *, int privileged));
|
||||
/* Parse options from a wordlist */
|
||||
int getword __P((FILE *f, char *word, int *newlinep, char *filename));
|
||||
/* Read a word from a file */
|
||||
void option_error __P((char *fmt, ...));
|
||||
/* Print an error message about an option */
|
||||
int int_option __P((char *, int *));
|
||||
/* Simplified number_option for decimal ints */
|
||||
void add_options __P((option_t *)); /* Add extra options */
|
||||
void check_options __P((void)); /* check values after all options parsed */
|
||||
int override_value __P((const char *, int, const char *));
|
||||
/* override value if permitted by priority */
|
||||
void print_options __P((void (*) __P((void *, char *, ...)), void *));
|
||||
/* print out values of all options */
|
||||
|
||||
int parse_dotted_ip __P((char *, u_int32_t *));
|
||||
|
||||
/*
|
||||
* Hooks to enable plugins to change various things.
|
||||
*/
|
||||
extern int (*new_phase_hook) __P((int));
|
||||
extern int (*idle_time_hook) __P((struct ppp_idle *));
|
||||
extern int (*holdoff_hook) __P((void));
|
||||
extern int (*pap_check_hook) __P((void));
|
||||
extern int (*pap_auth_hook) __P((char *user, char *passwd, char **msgp,
|
||||
struct wordlist **paddrs,
|
||||
struct wordlist **popts));
|
||||
extern void (*pap_logout_hook) __P((void));
|
||||
extern int (*pap_passwd_hook) __P((char *user, char *passwd));
|
||||
extern int (*allowed_address_hook) __P((u_int32_t addr));
|
||||
extern void (*ip_up_hook) __P((void));
|
||||
extern void (*ip_down_hook) __P((void));
|
||||
extern void (*ip_choose_hook) __P((u_int32_t *));
|
||||
|
||||
extern int (*chap_check_hook) __P((void));
|
||||
extern int (*chap_passwd_hook) __P((char *user, char *passwd));
|
||||
|
||||
/* Let a plugin snoop sent and received packets. Useful for L2TP */
|
||||
extern void (*snoop_recv_hook) __P((unsigned char *p, int len));
|
||||
extern void (*snoop_send_hook) __P((unsigned char *p, int len));
|
||||
|
||||
/*
|
||||
* Inline versions of get/put char/short/long.
|
||||
* Pointer is advanced; we assume that both arguments
|
||||
* are lvalues and will already be in registers.
|
||||
* cp MUST be u_char *.
|
||||
*/
|
||||
#define GETCHAR(c, cp) { \
|
||||
(c) = *(cp)++; \
|
||||
}
|
||||
#define PUTCHAR(c, cp) { \
|
||||
*(cp)++ = (u_char) (c); \
|
||||
}
|
||||
|
||||
|
||||
#define GETSHORT(s, cp) { \
|
||||
(s) = *(cp)++ << 8; \
|
||||
(s) |= *(cp)++; \
|
||||
}
|
||||
#define PUTSHORT(s, cp) { \
|
||||
*(cp)++ = (u_char) ((s) >> 8); \
|
||||
*(cp)++ = (u_char) (s); \
|
||||
}
|
||||
|
||||
#define GETLONG(l, cp) { \
|
||||
(l) = *(cp)++ << 8; \
|
||||
(l) |= *(cp)++; (l) <<= 8; \
|
||||
(l) |= *(cp)++; (l) <<= 8; \
|
||||
(l) |= *(cp)++; \
|
||||
}
|
||||
#define PUTLONG(l, cp) { \
|
||||
*(cp)++ = (u_char) ((l) >> 24); \
|
||||
*(cp)++ = (u_char) ((l) >> 16); \
|
||||
*(cp)++ = (u_char) ((l) >> 8); \
|
||||
*(cp)++ = (u_char) (l); \
|
||||
}
|
||||
|
||||
#define INCPTR(n, cp) ((cp) += (n))
|
||||
#define DECPTR(n, cp) ((cp) -= (n))
|
||||
|
||||
/*
|
||||
* System dependent definitions for user-level 4.3BSD UNIX implementation.
|
||||
*/
|
||||
|
||||
#define TIMEOUT(r, f, t) timeout((r), (f), (t), 0)
|
||||
#define UNTIMEOUT(r, f) untimeout((r), (f))
|
||||
|
||||
#define BCOPY(s, d, l) memcpy(d, s, l)
|
||||
#define BZERO(s, n) memset(s, 0, n)
|
||||
#define BCMP(s1, s2, l) memcmp(s1, s2, l)
|
||||
|
||||
#define PRINTMSG(m, l) { info("Remote message: %0.*v", l, m); }
|
||||
|
||||
/*
|
||||
* MAKEHEADER - Add Header fields to a packet.
|
||||
*/
|
||||
#define MAKEHEADER(p, t) { \
|
||||
PUTCHAR(PPP_ALLSTATIONS, p); \
|
||||
PUTCHAR(PPP_UI, p); \
|
||||
PUTSHORT(t, p); }
|
||||
|
||||
/*
|
||||
* Exit status values.
|
||||
*/
|
||||
#define EXIT_OK 0
|
||||
#define EXIT_FATAL_ERROR 1
|
||||
#define EXIT_OPTION_ERROR 2
|
||||
#define EXIT_NOT_ROOT 3
|
||||
#define EXIT_NO_KERNEL_SUPPORT 4
|
||||
#define EXIT_USER_REQUEST 5
|
||||
#define EXIT_LOCK_FAILED 6
|
||||
#define EXIT_OPEN_FAILED 7
|
||||
#define EXIT_CONNECT_FAILED 8
|
||||
#define EXIT_PTYCMD_FAILED 9
|
||||
#define EXIT_NEGOTIATION_FAILED 10
|
||||
#define EXIT_PEER_AUTH_FAILED 11
|
||||
#define EXIT_IDLE_TIMEOUT 12
|
||||
#define EXIT_CONNECT_TIME 13
|
||||
#define EXIT_CALLBACK 14
|
||||
#define EXIT_PEER_DEAD 15
|
||||
#define EXIT_HANGUP 16
|
||||
#define EXIT_LOOPBACK 17
|
||||
#define EXIT_INIT_FAILED 18
|
||||
#define EXIT_AUTH_TOPEER_FAILED 19
|
||||
#ifdef MAXOCTETS
|
||||
#define EXIT_TRAFFIC_LIMIT 20
|
||||
#endif
|
||||
#define EXIT_CNID_AUTH_FAILED 21
|
||||
|
||||
/*
|
||||
* Debug macros. Slightly useful for finding bugs in pppd, not particularly
|
||||
* useful for finding out why your connection isn't being established.
|
||||
*/
|
||||
#ifdef DEBUGALL
|
||||
#define DEBUGMAIN 1
|
||||
#define DEBUGFSM 1
|
||||
#define DEBUGLCP 1
|
||||
#define DEBUGIPCP 1
|
||||
#define DEBUGIPV6CP 1
|
||||
#define DEBUGUPAP 1
|
||||
#define DEBUGCHAP 1
|
||||
#endif
|
||||
|
||||
#ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */
|
||||
#if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUGSYS) \
|
||||
|| defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \
|
||||
|| defined(DEBUGCHAP) || defined(DEBUG) || defined(DEBUGIPV6CP)
|
||||
#define LOG_PPP LOG_LOCAL2
|
||||
#else
|
||||
#define LOG_PPP LOG_DAEMON
|
||||
#endif
|
||||
#endif /* LOG_PPP */
|
||||
|
||||
#ifdef DEBUGMAIN
|
||||
#define MAINDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define MAINDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGSYS
|
||||
#define SYSDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define SYSDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGFSM
|
||||
#define FSMDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define FSMDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGLCP
|
||||
#define LCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define LCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPCP
|
||||
#define IPCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPV6CP
|
||||
#define IPV6CPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPV6CPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGUPAP
|
||||
#define UPAPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define UPAPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGCHAP
|
||||
#define CHAPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define CHAPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPXCP
|
||||
#define IPXCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPXCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifndef SIGTYPE
|
||||
#if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE)
|
||||
#define SIGTYPE void
|
||||
#else
|
||||
#define SIGTYPE int
|
||||
#endif /* defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) */
|
||||
#endif /* SIGTYPE */
|
||||
|
||||
#ifndef MIN
|
||||
#define MIN(a, b) ((a) < (b)? (a): (b))
|
||||
#endif
|
||||
#ifndef MAX
|
||||
#define MAX(a, b) ((a) > (b)? (a): (b))
|
||||
#endif
|
||||
|
||||
#ifndef offsetof
|
||||
#define offsetof(type, member) ((size_t) &((type *)0)->member)
|
||||
#endif
|
||||
|
||||
#endif /* __PPP_H__ */
|
|
@ -1,14 +0,0 @@
|
|||
# Makefile for the capiplugin for pppd(8).
|
||||
#
|
||||
# Copyright 2000 Carsten Paeth (calle@calle.in-berlin.de)
|
||||
# Copyright 2000 AVM GmbH Berlin (info@avm.de)
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License
|
||||
# as published by the Free Software Foundation; either version
|
||||
# 2 of the License, or (at your option) any later version.
|
||||
|
||||
PLUGINDIR=${DESTDIR}/usr/lib/pppd/$(PPPVERSION)
|
||||
|
||||
include $(TOPDIR)/Rules.make
|
||||
|
|
@ -1,4 +0,0 @@
|
|||
/* $Id: patchlevel.h,v 1.1 2004/12/13 22:05:15 keil Exp $ */
|
||||
|
||||
#define VERSION "2.4.3"
|
||||
#define DATE "13 November 2004"
|
|
@ -1,905 +0,0 @@
|
|||
/*
|
||||
* pppd.h - PPP daemon global declarations.
|
||||
*
|
||||
* Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
*
|
||||
* 3. The name "Carnegie Mellon University" must not be used to
|
||||
* endorse or promote products derived from this software without
|
||||
* prior written permission. For permission or any legal
|
||||
* details, please contact
|
||||
* Office of Technology Transfer
|
||||
* Carnegie Mellon University
|
||||
* 5000 Forbes Avenue
|
||||
* Pittsburgh, PA 15213-3890
|
||||
* (412) 268-4387, fax: (412) 268-7395
|
||||
* tech-transfer@andrew.cmu.edu
|
||||
*
|
||||
* 4. Redistributions of any form whatsoever must retain the following
|
||||
* acknowledgment:
|
||||
* "This product includes software developed by Computing Services
|
||||
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
|
||||
*
|
||||
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
|
||||
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
||||
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
|
||||
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
|
||||
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
|
||||
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* $Id: pppd.h,v 1.1 2004/12/13 22:05:15 keil Exp $
|
||||
*/
|
||||
|
||||
/*
|
||||
* TODO:
|
||||
*/
|
||||
|
||||
#ifndef __PPPD_H__
|
||||
#define __PPPD_H__
|
||||
|
||||
#include <stdio.h> /* for FILE */
|
||||
#include <limits.h> /* for NGROUPS_MAX */
|
||||
#include <sys/param.h> /* for MAXPATHLEN and BSD4_4, if defined */
|
||||
#include <sys/types.h> /* for u_int32_t, if defined */
|
||||
#include <sys/time.h> /* for struct timeval */
|
||||
#include <net/ppp_defs.h>
|
||||
#include "patchlevel.h"
|
||||
|
||||
#if defined(__STDC__)
|
||||
#include <stdarg.h>
|
||||
#define __V(x) x
|
||||
#else
|
||||
#include <varargs.h>
|
||||
#define __V(x) (va_alist) va_dcl
|
||||
#define const
|
||||
#define volatile
|
||||
#endif
|
||||
|
||||
#ifdef INET6
|
||||
#include "eui64.h"
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Limits.
|
||||
*/
|
||||
|
||||
#define NUM_PPP 1 /* One PPP interface supported (per process) */
|
||||
#define MAXWORDLEN 1024 /* max length of word in file (incl null) */
|
||||
#define MAXARGS 1 /* max # args to a command */
|
||||
#define MAXNAMELEN 256 /* max length of hostname or name for auth */
|
||||
#define MAXSECRETLEN 256 /* max length of password or secret */
|
||||
|
||||
/*
|
||||
* Option descriptor structure.
|
||||
*/
|
||||
|
||||
typedef unsigned char bool;
|
||||
|
||||
enum opt_type {
|
||||
o_special_noarg = 0,
|
||||
o_special = 1,
|
||||
o_bool,
|
||||
o_int,
|
||||
o_uint32,
|
||||
o_string,
|
||||
o_wild
|
||||
};
|
||||
|
||||
typedef struct {
|
||||
char *name; /* name of the option */
|
||||
enum opt_type type;
|
||||
void *addr;
|
||||
char *description;
|
||||
unsigned int flags;
|
||||
void *addr2;
|
||||
int upper_limit;
|
||||
int lower_limit;
|
||||
const char *source;
|
||||
short int priority;
|
||||
short int winner;
|
||||
} option_t;
|
||||
|
||||
/* Values for flags */
|
||||
#define OPT_VALUE 0xff /* mask for presupplied value */
|
||||
#define OPT_HEX 0x100 /* int option is in hex */
|
||||
#define OPT_NOARG 0x200 /* option doesn't take argument */
|
||||
#define OPT_OR 0x400 /* OR in argument to value */
|
||||
#define OPT_INC 0x800 /* increment value */
|
||||
#define OPT_A2OR 0x800 /* for o_bool, OR arg to *(u_char *)addr2 */
|
||||
#define OPT_PRIV 0x1000 /* privileged option */
|
||||
#define OPT_STATIC 0x2000 /* string option goes into static array */
|
||||
#define OPT_LLIMIT 0x4000 /* check value against lower limit */
|
||||
#define OPT_ULIMIT 0x8000 /* check value against upper limit */
|
||||
#define OPT_LIMITS (OPT_LLIMIT|OPT_ULIMIT)
|
||||
#define OPT_ZEROOK 0x10000 /* 0 value is OK even if not within limits */
|
||||
#define OPT_HIDE 0x10000 /* for o_string, print value as ?????? */
|
||||
#define OPT_A2LIST 0x10000 /* for o_special, keep list of values */
|
||||
#define OPT_A2CLRB 0x10000 /* o_bool, clr val bits in *(u_char *)addr2 */
|
||||
#define OPT_NOINCR 0x20000 /* value mustn't be increased */
|
||||
#define OPT_ZEROINF 0x40000 /* with OPT_NOINCR, 0 == infinity */
|
||||
#define OPT_PRIO 0x80000 /* process option priorities for this option */
|
||||
#define OPT_PRIOSUB 0x100000 /* subsidiary member of priority group */
|
||||
#define OPT_ALIAS 0x200000 /* option is alias for previous option */
|
||||
#define OPT_A2COPY 0x400000 /* addr2 -> second location to rcv value */
|
||||
#define OPT_ENABLE 0x800000 /* use *addr2 as enable for option */
|
||||
#define OPT_A2CLR 0x1000000 /* clear *(bool *)addr2 */
|
||||
#define OPT_PRIVFIX 0x2000000 /* user can't override if set by root */
|
||||
#define OPT_INITONLY 0x4000000 /* option can only be set in init phase */
|
||||
#define OPT_DEVEQUIV 0x8000000 /* equiv to device name */
|
||||
#define OPT_DEVNAM (OPT_INITONLY | OPT_DEVEQUIV)
|
||||
#define OPT_A2PRINTER 0x10000000 /* *addr2 is a fn for printing option */
|
||||
#define OPT_A2STRVAL 0x20000000 /* *addr2 points to current string value */
|
||||
#define OPT_NOPRINT 0x40000000 /* don't print this option at all */
|
||||
|
||||
#define OPT_VAL(x) ((x) & OPT_VALUE)
|
||||
|
||||
/* Values for priority */
|
||||
#define OPRIO_DEFAULT 0 /* a default value */
|
||||
#define OPRIO_CFGFILE 1 /* value from a configuration file */
|
||||
#define OPRIO_CMDLINE 2 /* value from the command line */
|
||||
#define OPRIO_SECFILE 3 /* value from options in a secrets file */
|
||||
#define OPRIO_ROOT 100 /* added to priority if OPT_PRIVFIX && root */
|
||||
|
||||
#ifndef GIDSET_TYPE
|
||||
#define GIDSET_TYPE gid_t
|
||||
#endif
|
||||
|
||||
/* Structure representing a list of permitted IP addresses. */
|
||||
struct permitted_ip {
|
||||
int permit; /* 1 = permit, 0 = forbid */
|
||||
u_int32_t base; /* match if (addr & mask) == base */
|
||||
u_int32_t mask; /* base and mask are in network byte order */
|
||||
};
|
||||
|
||||
/*
|
||||
* Unfortunately, the linux kernel driver uses a different structure
|
||||
* for statistics from the rest of the ports.
|
||||
* This structure serves as a common representation for the bits
|
||||
* pppd needs.
|
||||
*/
|
||||
struct pppd_stats {
|
||||
unsigned int bytes_in;
|
||||
unsigned int bytes_out;
|
||||
unsigned int pkts_in;
|
||||
unsigned int pkts_out;
|
||||
};
|
||||
|
||||
/* Used for storing a sequence of words. Usually malloced. */
|
||||
struct wordlist {
|
||||
struct wordlist *next;
|
||||
char *word;
|
||||
};
|
||||
|
||||
/* An endpoint discriminator, used with multilink. */
|
||||
#define MAX_ENDP_LEN 20 /* maximum length of discriminator value */
|
||||
struct epdisc {
|
||||
unsigned char class;
|
||||
unsigned char length;
|
||||
unsigned char value[MAX_ENDP_LEN];
|
||||
};
|
||||
|
||||
/* values for epdisc.class */
|
||||
#define EPD_NULL 0 /* null discriminator, no data */
|
||||
#define EPD_LOCAL 1
|
||||
#define EPD_IP 2
|
||||
#define EPD_MAC 3
|
||||
#define EPD_MAGIC 4
|
||||
#define EPD_PHONENUM 5
|
||||
|
||||
typedef void (*notify_func) __P((void *, int));
|
||||
|
||||
struct notifier {
|
||||
struct notifier *next;
|
||||
notify_func func;
|
||||
void *arg;
|
||||
};
|
||||
|
||||
/*
|
||||
* Global variables.
|
||||
*/
|
||||
|
||||
extern int hungup; /* Physical layer has disconnected */
|
||||
extern int ifunit; /* Interface unit number */
|
||||
extern char ifname[]; /* Interface name */
|
||||
extern char hostname[]; /* Our hostname */
|
||||
extern u_char outpacket_buf[]; /* Buffer for outgoing packets */
|
||||
extern int devfd; /* fd of underlying device */
|
||||
extern int fd_ppp; /* fd for talking PPP */
|
||||
extern int phase; /* Current state of link - see values below */
|
||||
extern int baud_rate; /* Current link speed in bits/sec */
|
||||
extern char *progname; /* Name of this program */
|
||||
extern int redirect_stderr;/* Connector's stderr should go to file */
|
||||
extern char peer_authname[];/* Authenticated name of peer */
|
||||
extern int auth_done[NUM_PPP]; /* Methods actually used for auth */
|
||||
extern int privileged; /* We were run by real-uid root */
|
||||
extern int need_holdoff; /* Need holdoff period after link terminates */
|
||||
extern char **script_env; /* Environment variables for scripts */
|
||||
extern int detached; /* Have detached from controlling tty */
|
||||
extern GIDSET_TYPE groups[NGROUPS_MAX]; /* groups the user is in */
|
||||
extern int ngroups; /* How many groups valid in groups */
|
||||
extern struct pppd_stats link_stats; /* byte/packet counts etc. for link */
|
||||
extern int link_stats_valid; /* set if link_stats is valid */
|
||||
extern unsigned link_connect_time; /* time the link was up for */
|
||||
extern int using_pty; /* using pty as device (notty or pty opt.) */
|
||||
extern int log_to_fd; /* logging to this fd as well as syslog */
|
||||
extern bool log_default; /* log_to_fd is default (stdout) */
|
||||
extern char *no_ppp_msg; /* message to print if ppp not in kernel */
|
||||
extern volatile int status; /* exit status for pppd */
|
||||
extern bool devnam_fixed; /* can no longer change devnam */
|
||||
extern int unsuccess; /* # unsuccessful connection attempts */
|
||||
extern int do_callback; /* set if we want to do callback next */
|
||||
extern int doing_callback; /* set if this is a callback */
|
||||
extern int error_count; /* # of times error() has been called */
|
||||
extern char ppp_devnam[MAXPATHLEN];
|
||||
extern char remote_number[MAXNAMELEN]; /* Remote telephone number, if avail. */
|
||||
extern int ppp_session_number; /* Session number (eg PPPoE session) */
|
||||
extern int fd_devnull; /* fd open to /dev/null */
|
||||
|
||||
extern int listen_time; /* time to listen first (ms) */
|
||||
extern bool doing_multilink;
|
||||
extern bool multilink_master;
|
||||
extern bool bundle_eof;
|
||||
extern bool bundle_terminating;
|
||||
|
||||
extern struct notifier *pidchange; /* for notifications of pid changing */
|
||||
extern struct notifier *phasechange; /* for notifications of phase changes */
|
||||
extern struct notifier *exitnotify; /* for notification that we're exiting */
|
||||
extern struct notifier *sigreceived; /* notification of received signal */
|
||||
extern struct notifier *ip_up_notifier; /* IPCP has come up */
|
||||
extern struct notifier *ip_down_notifier; /* IPCP has gone down */
|
||||
extern struct notifier *auth_up_notifier; /* peer has authenticated */
|
||||
extern struct notifier *link_down_notifier; /* link has gone down */
|
||||
extern struct notifier *fork_notifier; /* we are a new child process */
|
||||
|
||||
/* Values for do_callback and doing_callback */
|
||||
#define CALLBACK_DIALIN 1 /* we are expecting the call back */
|
||||
#define CALLBACK_DIALOUT 2 /* we are dialling out to call back */
|
||||
|
||||
/*
|
||||
* Variables set by command-line options.
|
||||
*/
|
||||
|
||||
extern int debug; /* Debug flag */
|
||||
extern int kdebugflag; /* Tell kernel to print debug messages */
|
||||
extern int default_device; /* Using /dev/tty or equivalent */
|
||||
extern char devnam[MAXPATHLEN]; /* Device name */
|
||||
extern int crtscts; /* Use hardware flow control */
|
||||
extern bool modem; /* Use modem control lines */
|
||||
extern int inspeed; /* Input/Output speed requested */
|
||||
extern u_int32_t netmask; /* IP netmask to set on interface */
|
||||
extern bool lockflag; /* Create lock file to lock the serial dev */
|
||||
extern bool nodetach; /* Don't detach from controlling tty */
|
||||
extern bool updetach; /* Detach from controlling tty when link up */
|
||||
extern char *initializer; /* Script to initialize physical link */
|
||||
extern char *connect_script; /* Script to establish physical link */
|
||||
extern char *disconnect_script; /* Script to disestablish physical link */
|
||||
extern char *welcomer; /* Script to welcome client after connection */
|
||||
extern char *ptycommand; /* Command to run on other side of pty */
|
||||
extern int maxconnect; /* Maximum connect time (seconds) */
|
||||
extern char user[MAXNAMELEN];/* Our name for authenticating ourselves */
|
||||
extern char passwd[MAXSECRETLEN]; /* Password for PAP or CHAP */
|
||||
extern bool auth_required; /* Peer is required to authenticate */
|
||||
extern bool persist; /* Reopen link after it goes down */
|
||||
extern bool uselogin; /* Use /etc/passwd for checking PAP */
|
||||
extern char our_name[MAXNAMELEN];/* Our name for authentication purposes */
|
||||
extern char remote_name[MAXNAMELEN]; /* Peer's name for authentication */
|
||||
extern bool explicit_remote;/* remote_name specified with remotename opt */
|
||||
extern bool demand; /* Do dial-on-demand */
|
||||
extern char *ipparam; /* Extra parameter for ip up/down scripts */
|
||||
extern bool cryptpap; /* Others' PAP passwords are encrypted */
|
||||
extern int idle_time_limit;/* Shut down link if idle for this long */
|
||||
extern int holdoff; /* Dead time before restarting */
|
||||
extern bool holdoff_specified; /* true if user gave a holdoff value */
|
||||
extern bool notty; /* Stdin/out is not a tty */
|
||||
extern char *pty_socket; /* Socket to connect to pty */
|
||||
extern char *record_file; /* File to record chars sent/received */
|
||||
extern bool sync_serial; /* Device is synchronous serial device */
|
||||
extern int maxfail; /* Max # of unsuccessful connection attempts */
|
||||
extern char linkname[MAXPATHLEN]; /* logical name for link */
|
||||
extern bool tune_kernel; /* May alter kernel settings as necessary */
|
||||
extern int connect_delay; /* Time to delay after connect script */
|
||||
extern int max_data_rate; /* max bytes/sec through charshunt */
|
||||
extern int req_unit; /* interface unit number to use */
|
||||
extern bool multilink; /* enable multilink operation */
|
||||
extern bool noendpoint; /* don't send or accept endpt. discrim. */
|
||||
extern char *bundle_name; /* bundle name for multilink */
|
||||
extern bool dump_options; /* print out option values */
|
||||
extern bool dryrun; /* check everything, print options, exit */
|
||||
extern int child_wait; /* # seconds to wait for children at end */
|
||||
|
||||
#ifdef MAXOCTETS
|
||||
extern unsigned int maxoctets; /* Maximum octetes per session (in bytes) */
|
||||
extern int maxoctets_dir; /* Direction :
|
||||
0 - in+out (default)
|
||||
1 - in
|
||||
2 - out
|
||||
3 - max(in,out) */
|
||||
extern int maxoctets_timeout; /* Timeout for check of octets limit */
|
||||
#define PPP_OCTETS_DIRECTION_SUM 0
|
||||
#define PPP_OCTETS_DIRECTION_IN 1
|
||||
#define PPP_OCTETS_DIRECTION_OUT 2
|
||||
#define PPP_OCTETS_DIRECTION_MAXOVERAL 3
|
||||
/* same as previos, but little different on RADIUS side */
|
||||
#define PPP_OCTETS_DIRECTION_MAXSESSION 4
|
||||
#endif
|
||||
|
||||
#ifdef PPP_FILTER
|
||||
extern struct bpf_program pass_filter; /* Filter for pkts to pass */
|
||||
extern struct bpf_program active_filter; /* Filter for link-active pkts */
|
||||
#endif
|
||||
|
||||
#ifdef MSLANMAN
|
||||
extern bool ms_lanman; /* Use LanMan password instead of NT */
|
||||
/* Has meaning only with MS-CHAP challenges */
|
||||
#endif
|
||||
|
||||
/* Values for auth_pending, auth_done */
|
||||
#define PAP_WITHPEER 0x1
|
||||
#define PAP_PEER 0x2
|
||||
#define CHAP_WITHPEER 0x4
|
||||
#define CHAP_PEER 0x8
|
||||
#define EAP_WITHPEER 0x10
|
||||
#define EAP_PEER 0x20
|
||||
|
||||
/* Values for auth_done only */
|
||||
#define CHAP_MD5_WITHPEER 0x40
|
||||
#define CHAP_MD5_PEER 0x80
|
||||
#define CHAP_MS_SHIFT 8 /* LSB position for MS auths */
|
||||
#define CHAP_MS_WITHPEER 0x100
|
||||
#define CHAP_MS_PEER 0x200
|
||||
#define CHAP_MS2_WITHPEER 0x400
|
||||
#define CHAP_MS2_PEER 0x800
|
||||
|
||||
extern char *current_option; /* the name of the option being parsed */
|
||||
extern int privileged_option; /* set iff the current option came from root */
|
||||
extern char *option_source; /* string saying where the option came from */
|
||||
extern int option_priority; /* priority of current options */
|
||||
|
||||
/*
|
||||
* Values for phase.
|
||||
*/
|
||||
#define PHASE_DEAD 0
|
||||
#define PHASE_INITIALIZE 1
|
||||
#define PHASE_SERIALCONN 2
|
||||
#define PHASE_DORMANT 3
|
||||
#define PHASE_ESTABLISH 4
|
||||
#define PHASE_AUTHENTICATE 5
|
||||
#define PHASE_CALLBACK 6
|
||||
#define PHASE_NETWORK 7
|
||||
#define PHASE_RUNNING 8
|
||||
#define PHASE_TERMINATE 9
|
||||
#define PHASE_DISCONNECT 10
|
||||
#define PHASE_HOLDOFF 11
|
||||
#define PHASE_MASTER 12
|
||||
|
||||
/*
|
||||
* The following struct gives the addresses of procedures to call
|
||||
* for a particular protocol.
|
||||
*/
|
||||
struct protent {
|
||||
u_short protocol; /* PPP protocol number */
|
||||
/* Initialization procedure */
|
||||
void (*init) __P((int unit));
|
||||
/* Process a received packet */
|
||||
void (*input) __P((int unit, u_char *pkt, int len));
|
||||
/* Process a received protocol-reject */
|
||||
void (*protrej) __P((int unit));
|
||||
/* Lower layer has come up */
|
||||
void (*lowerup) __P((int unit));
|
||||
/* Lower layer has gone down */
|
||||
void (*lowerdown) __P((int unit));
|
||||
/* Open the protocol */
|
||||
void (*open) __P((int unit));
|
||||
/* Close the protocol */
|
||||
void (*close) __P((int unit, char *reason));
|
||||
/* Print a packet in readable form */
|
||||
int (*printpkt) __P((u_char *pkt, int len,
|
||||
void (*printer) __P((void *, char *, ...)),
|
||||
void *arg));
|
||||
/* Process a received data packet */
|
||||
void (*datainput) __P((int unit, u_char *pkt, int len));
|
||||
bool enabled_flag; /* 0 iff protocol is disabled */
|
||||
char *name; /* Text name of protocol */
|
||||
char *data_name; /* Text name of corresponding data protocol */
|
||||
option_t *options; /* List of command-line options */
|
||||
/* Check requested options, assign defaults */
|
||||
void (*check_options) __P((void));
|
||||
/* Configure interface for demand-dial */
|
||||
int (*demand_conf) __P((int unit));
|
||||
/* Say whether to bring up link for this pkt */
|
||||
int (*active_pkt) __P((u_char *pkt, int len));
|
||||
};
|
||||
|
||||
/* Table of pointers to supported protocols */
|
||||
extern struct protent *protocols[];
|
||||
|
||||
/*
|
||||
* This struct contains pointers to a set of procedures for
|
||||
* doing operations on a "channel". A channel provides a way
|
||||
* to send and receive PPP packets - the canonical example is
|
||||
* a serial port device in PPP line discipline (or equivalently
|
||||
* with PPP STREAMS modules pushed onto it).
|
||||
*/
|
||||
struct channel {
|
||||
/* set of options for this channel */
|
||||
option_t *options;
|
||||
/* find and process a per-channel options file */
|
||||
void (*process_extra_options) __P((void));
|
||||
/* check all the options that have been given */
|
||||
void (*check_options) __P((void));
|
||||
/* get the channel ready to do PPP, return a file descriptor */
|
||||
int (*connect) __P((void));
|
||||
/* we're finished with the channel */
|
||||
void (*disconnect) __P((void));
|
||||
/* put the channel into PPP `mode' */
|
||||
int (*establish_ppp) __P((int));
|
||||
/* take the channel out of PPP `mode', restore loopback if demand */
|
||||
void (*disestablish_ppp) __P((int));
|
||||
/* set the transmit-side PPP parameters of the channel */
|
||||
void (*send_config) __P((int, u_int32_t, int, int));
|
||||
/* set the receive-side PPP parameters of the channel */
|
||||
void (*recv_config) __P((int, u_int32_t, int, int));
|
||||
/* cleanup on error or normal exit */
|
||||
void (*cleanup) __P((void));
|
||||
/* close the device, called in children after fork */
|
||||
void (*close) __P((void));
|
||||
};
|
||||
|
||||
extern struct channel *the_channel;
|
||||
|
||||
/*
|
||||
* Prototypes.
|
||||
*/
|
||||
|
||||
/* Procedures exported from main.c. */
|
||||
void set_ifunit __P((int)); /* set stuff that depends on ifunit */
|
||||
void detach __P((void)); /* Detach from controlling tty */
|
||||
void die __P((int)); /* Cleanup and exit */
|
||||
void quit __P((void)); /* like die(1) */
|
||||
void novm __P((char *)); /* Say we ran out of memory, and die */
|
||||
void timeout __P((void (*func)(void *), void *arg, int s, int us));
|
||||
/* Call func(arg) after s.us seconds */
|
||||
void untimeout __P((void (*func)(void *), void *arg));
|
||||
/* Cancel call to func(arg) */
|
||||
void record_child __P((int, char *, void (*) (void *), void *));
|
||||
pid_t safe_fork __P((int, int, int)); /* Fork & close stuff in child */
|
||||
int device_script __P((char *cmd, int in, int out, int dont_wait));
|
||||
/* Run `cmd' with given stdin and stdout */
|
||||
pid_t run_program __P((char *prog, char **args, int must_exist,
|
||||
void (*done)(void *), void *arg));
|
||||
/* Run program prog with args in child */
|
||||
void reopen_log __P((void)); /* (re)open the connection to syslog */
|
||||
void print_link_stats __P((void)); /* Print stats, if available */
|
||||
void reset_link_stats __P((int)); /* Reset (init) stats when link goes up */
|
||||
void update_link_stats __P((int)); /* Get stats at link termination */
|
||||
void script_setenv __P((char *, char *, int)); /* set script env var */
|
||||
void script_unsetenv __P((char *)); /* unset script env var */
|
||||
void new_phase __P((int)); /* signal start of new phase */
|
||||
void add_notifier __P((struct notifier **, notify_func, void *));
|
||||
void remove_notifier __P((struct notifier **, notify_func, void *));
|
||||
void notify __P((struct notifier *, int));
|
||||
int ppp_send_config __P((int, int, u_int32_t, int, int));
|
||||
int ppp_recv_config __P((int, int, u_int32_t, int, int));
|
||||
void remove_pidfiles __P((void));
|
||||
void lock_db __P((void));
|
||||
void unlock_db __P((void));
|
||||
|
||||
/* Procedures exported from tty.c. */
|
||||
void tty_init __P((void));
|
||||
|
||||
/* Procedures exported from utils.c. */
|
||||
void log_packet __P((u_char *, int, char *, int));
|
||||
/* Format a packet and log it with syslog */
|
||||
void print_string __P((char *, int, void (*) (void *, char *, ...),
|
||||
void *)); /* Format a string for output */
|
||||
int slprintf __P((char *, int, char *, ...)); /* sprintf++ */
|
||||
int vslprintf __P((char *, int, char *, va_list)); /* vsprintf++ */
|
||||
size_t strlcpy __P((char *, const char *, size_t)); /* safe strcpy */
|
||||
size_t strlcat __P((char *, const char *, size_t)); /* safe strncpy */
|
||||
void dbglog __P((char *, ...)); /* log a debug message */
|
||||
void info __P((char *, ...)); /* log an informational message */
|
||||
void notice __P((char *, ...)); /* log a notice-level message */
|
||||
void warn __P((char *, ...)); /* log a warning message */
|
||||
void error __P((char *, ...)); /* log an error message */
|
||||
void fatal __P((char *, ...)); /* log an error message and die(1) */
|
||||
void init_pr_log __P((char *, int)); /* initialize for using pr_log */
|
||||
void pr_log __P((void *, char *, ...)); /* printer fn, output to syslog */
|
||||
void end_pr_log __P((void)); /* finish up after using pr_log */
|
||||
void dump_packet __P((const char *, u_char *, int));
|
||||
/* dump packet to debug log if interesting */
|
||||
ssize_t complete_read __P((int, void *, size_t));
|
||||
/* read a complete buffer */
|
||||
|
||||
/* Procedures exported from auth.c */
|
||||
void link_required __P((int)); /* we are starting to use the link */
|
||||
void link_terminated __P((int)); /* we are finished with the link */
|
||||
void link_down __P((int)); /* the LCP layer has left the Opened state */
|
||||
void upper_layers_down __P((int));/* take all NCPs down */
|
||||
void link_established __P((int)); /* the link is up; authenticate now */
|
||||
void start_networks __P((int)); /* start all the network control protos */
|
||||
void continue_networks __P((int)); /* start network [ip, etc] control protos */
|
||||
void np_up __P((int, int)); /* a network protocol has come up */
|
||||
void np_down __P((int, int)); /* a network protocol has gone down */
|
||||
void np_finished __P((int, int)); /* a network protocol no longer needs link */
|
||||
void auth_peer_fail __P((int, int));
|
||||
/* peer failed to authenticate itself */
|
||||
void auth_peer_success __P((int, int, int, char *, int));
|
||||
/* peer successfully authenticated itself */
|
||||
void auth_withpeer_fail __P((int, int));
|
||||
/* we failed to authenticate ourselves */
|
||||
void auth_withpeer_success __P((int, int, int));
|
||||
/* we successfully authenticated ourselves */
|
||||
void auth_check_options __P((void));
|
||||
/* check authentication options supplied */
|
||||
void auth_reset __P((int)); /* check what secrets we have */
|
||||
int check_passwd __P((int, char *, int, char *, int, char **));
|
||||
/* Check peer-supplied username/password */
|
||||
int get_secret __P((int, char *, char *, char *, int *, int));
|
||||
/* get "secret" for chap */
|
||||
int get_srp_secret __P((int unit, char *client, char *server, char *secret,
|
||||
int am_server));
|
||||
int auth_ip_addr __P((int, u_int32_t));
|
||||
/* check if IP address is authorized */
|
||||
int auth_number __P((void)); /* check if remote number is authorized */
|
||||
int bad_ip_adrs __P((u_int32_t));
|
||||
/* check if IP address is unreasonable */
|
||||
|
||||
/* Procedures exported from demand.c */
|
||||
void demand_conf __P((void)); /* config interface(s) for demand-dial */
|
||||
void demand_block __P((void)); /* set all NPs to queue up packets */
|
||||
void demand_unblock __P((void)); /* set all NPs to pass packets */
|
||||
void demand_discard __P((void)); /* set all NPs to discard packets */
|
||||
void demand_rexmit __P((int)); /* retransmit saved frames for an NP */
|
||||
int loop_chars __P((unsigned char *, int)); /* process chars from loopback */
|
||||
int loop_frame __P((unsigned char *, int)); /* should we bring link up? */
|
||||
|
||||
/* Procedures exported from multilink.c */
|
||||
#ifdef HAVE_MULTILINK
|
||||
void mp_check_options __P((void)); /* Check multilink-related options */
|
||||
int mp_join_bundle __P((void)); /* join our link to an appropriate bundle */
|
||||
void mp_exit_bundle __P((void)); /* have disconnected our link from bundle */
|
||||
void mp_bundle_terminated __P((void));
|
||||
char *epdisc_to_str __P((struct epdisc *)); /* string from endpoint discrim. */
|
||||
int str_to_epdisc __P((struct epdisc *, char *)); /* endpt disc. from str */
|
||||
#else
|
||||
#define mp_bundle_terminated() /* nothing */
|
||||
#define mp_exit_bundle() /* nothing */
|
||||
#define doing_multilink 0
|
||||
#define multilink_master 0
|
||||
#endif
|
||||
|
||||
/* Procedures exported from sys-*.c */
|
||||
void sys_init __P((void)); /* Do system-dependent initialization */
|
||||
void sys_cleanup __P((void)); /* Restore system state before exiting */
|
||||
int sys_check_options __P((void)); /* Check options specified */
|
||||
void sys_close __P((void)); /* Clean up in a child before execing */
|
||||
int ppp_available __P((void)); /* Test whether ppp kernel support exists */
|
||||
int get_pty __P((int *, int *, char *, int)); /* Get pty master/slave */
|
||||
int open_ppp_loopback __P((void)); /* Open loopback for demand-dialling */
|
||||
int tty_establish_ppp __P((int)); /* Turn serial port into a ppp interface */
|
||||
void tty_disestablish_ppp __P((int)); /* Restore port to normal operation */
|
||||
void generic_disestablish_ppp __P((int dev_fd)); /* Restore device setting */
|
||||
int generic_establish_ppp __P((int dev_fd)); /* Make a ppp interface */
|
||||
void make_new_bundle __P((int, int, int, int)); /* Create new bundle */
|
||||
int bundle_attach __P((int)); /* Attach link to existing bundle */
|
||||
void cfg_bundle __P((int, int, int, int)); /* Configure existing bundle */
|
||||
void destroy_bundle __P((void)); /* Tell driver to destroy bundle */
|
||||
void clean_check __P((void)); /* Check if line was 8-bit clean */
|
||||
void set_up_tty __P((int, int)); /* Set up port's speed, parameters, etc. */
|
||||
void restore_tty __P((int)); /* Restore port's original parameters */
|
||||
void setdtr __P((int, int)); /* Raise or lower port's DTR line */
|
||||
void output __P((int, u_char *, int)); /* Output a PPP packet */
|
||||
void wait_input __P((struct timeval *));
|
||||
/* Wait for input, with timeout */
|
||||
void add_fd __P((int)); /* Add fd to set to wait for */
|
||||
void remove_fd __P((int)); /* Remove fd from set to wait for */
|
||||
int read_packet __P((u_char *)); /* Read PPP packet */
|
||||
int get_loop_output __P((void)); /* Read pkts from loopback */
|
||||
void tty_send_config __P((int, u_int32_t, int, int));
|
||||
/* Configure i/f transmit parameters */
|
||||
void tty_set_xaccm __P((ext_accm));
|
||||
/* Set extended transmit ACCM */
|
||||
void tty_recv_config __P((int, u_int32_t, int, int));
|
||||
/* Configure i/f receive parameters */
|
||||
int ccp_test __P((int, u_char *, int, int));
|
||||
/* Test support for compression scheme */
|
||||
void ccp_flags_set __P((int, int, int));
|
||||
/* Set kernel CCP state */
|
||||
int ccp_fatal_error __P((int)); /* Test for fatal decomp error in kernel */
|
||||
int get_idle_time __P((int, struct ppp_idle *));
|
||||
/* Find out how long link has been idle */
|
||||
int get_ppp_stats __P((int, struct pppd_stats *));
|
||||
/* Return link statistics */
|
||||
void netif_set_mtu __P((int, int)); /* Set PPP interface MTU */
|
||||
int netif_get_mtu __P((int)); /* Get PPP interface MTU */
|
||||
int sifvjcomp __P((int, int, int, int));
|
||||
/* Configure VJ TCP header compression */
|
||||
int sifup __P((int)); /* Configure i/f up for one protocol */
|
||||
int sifnpmode __P((int u, int proto, enum NPmode mode));
|
||||
/* Set mode for handling packets for proto */
|
||||
int sifdown __P((int)); /* Configure i/f down for one protocol */
|
||||
int sifaddr __P((int, u_int32_t, u_int32_t, u_int32_t));
|
||||
/* Configure IPv4 addresses for i/f */
|
||||
int cifaddr __P((int, u_int32_t, u_int32_t));
|
||||
/* Reset i/f IP addresses */
|
||||
#ifdef INET6
|
||||
int sif6addr __P((int, eui64_t, eui64_t));
|
||||
/* Configure IPv6 addresses for i/f */
|
||||
int cif6addr __P((int, eui64_t, eui64_t));
|
||||
/* Remove an IPv6 address from i/f */
|
||||
#endif
|
||||
int sifdefaultroute __P((int, u_int32_t, u_int32_t));
|
||||
/* Create default route through i/f */
|
||||
int cifdefaultroute __P((int, u_int32_t, u_int32_t));
|
||||
/* Delete default route through i/f */
|
||||
int sifproxyarp __P((int, u_int32_t));
|
||||
/* Add proxy ARP entry for peer */
|
||||
int cifproxyarp __P((int, u_int32_t));
|
||||
/* Delete proxy ARP entry for peer */
|
||||
u_int32_t GetMask __P((u_int32_t)); /* Get appropriate netmask for address */
|
||||
int lock __P((char *)); /* Create lock file for device */
|
||||
int relock __P((int)); /* Rewrite lock file with new pid */
|
||||
void unlock __P((void)); /* Delete previously-created lock file */
|
||||
void logwtmp __P((const char *, const char *, const char *));
|
||||
/* Write entry to wtmp file */
|
||||
int get_host_seed __P((void)); /* Get host-dependent random number seed */
|
||||
int have_route_to __P((u_int32_t)); /* Check if route to addr exists */
|
||||
#ifdef PPP_FILTER
|
||||
int set_filters __P((struct bpf_program *pass, struct bpf_program *active));
|
||||
/* Set filter programs in kernel */
|
||||
#endif
|
||||
#ifdef IPX_CHANGE
|
||||
int sipxfaddr __P((int, unsigned long, unsigned char *));
|
||||
int cipxfaddr __P((int));
|
||||
#endif
|
||||
int get_if_hwaddr __P((u_char *addr, char *name));
|
||||
char *get_first_ethernet __P((void));
|
||||
|
||||
/* Procedures exported from options.c */
|
||||
int setipaddr __P((char *, char **, int)); /* Set local/remote ip addresses */
|
||||
int parse_args __P((int argc, char **argv));
|
||||
/* Parse options from arguments given */
|
||||
int options_from_file __P((char *filename, int must_exist, int check_prot,
|
||||
int privileged));
|
||||
/* Parse options from an options file */
|
||||
int options_from_user __P((void)); /* Parse options from user's .ppprc */
|
||||
int options_for_tty __P((void)); /* Parse options from /etc/ppp/options.tty */
|
||||
int options_from_list __P((struct wordlist *, int privileged));
|
||||
/* Parse options from a wordlist */
|
||||
int getword __P((FILE *f, char *word, int *newlinep, char *filename));
|
||||
/* Read a word from a file */
|
||||
void option_error __P((char *fmt, ...));
|
||||
/* Print an error message about an option */
|
||||
int int_option __P((char *, int *));
|
||||
/* Simplified number_option for decimal ints */
|
||||
void add_options __P((option_t *)); /* Add extra options */
|
||||
void check_options __P((void)); /* check values after all options parsed */
|
||||
int override_value __P((const char *, int, const char *));
|
||||
/* override value if permitted by priority */
|
||||
void print_options __P((void (*) __P((void *, char *, ...)), void *));
|
||||
/* print out values of all options */
|
||||
|
||||
int parse_dotted_ip __P((char *, u_int32_t *));
|
||||
|
||||
/*
|
||||
* Hooks to enable plugins to change various things.
|
||||
*/
|
||||
extern int (*new_phase_hook) __P((int));
|
||||
extern int (*idle_time_hook) __P((struct ppp_idle *));
|
||||
extern int (*holdoff_hook) __P((void));
|
||||
extern int (*pap_check_hook) __P((void));
|
||||
extern int (*pap_auth_hook) __P((char *user, char *passwd, char **msgp,
|
||||
struct wordlist **paddrs,
|
||||
struct wordlist **popts));
|
||||
extern void (*pap_logout_hook) __P((void));
|
||||
extern int (*pap_passwd_hook) __P((char *user, char *passwd));
|
||||
extern int (*allowed_address_hook) __P((u_int32_t addr));
|
||||
extern void (*ip_up_hook) __P((void));
|
||||
extern void (*ip_down_hook) __P((void));
|
||||
extern void (*ip_choose_hook) __P((u_int32_t *));
|
||||
|
||||
extern int (*chap_check_hook) __P((void));
|
||||
extern int (*chap_passwd_hook) __P((char *user, char *passwd));
|
||||
|
||||
/* Let a plugin snoop sent and received packets. Useful for L2TP */
|
||||
extern void (*snoop_recv_hook) __P((unsigned char *p, int len));
|
||||
extern void (*snoop_send_hook) __P((unsigned char *p, int len));
|
||||
|
||||
/*
|
||||
* Inline versions of get/put char/short/long.
|
||||
* Pointer is advanced; we assume that both arguments
|
||||
* are lvalues and will already be in registers.
|
||||
* cp MUST be u_char *.
|
||||
*/
|
||||
#define GETCHAR(c, cp) { \
|
||||
(c) = *(cp)++; \
|
||||
}
|
||||
#define PUTCHAR(c, cp) { \
|
||||
*(cp)++ = (u_char) (c); \
|
||||
}
|
||||
|
||||
|
||||
#define GETSHORT(s, cp) { \
|
||||
(s) = *(cp)++ << 8; \
|
||||
(s) |= *(cp)++; \
|
||||
}
|
||||
#define PUTSHORT(s, cp) { \
|
||||
*(cp)++ = (u_char) ((s) >> 8); \
|
||||
*(cp)++ = (u_char) (s); \
|
||||
}
|
||||
|
||||
#define GETLONG(l, cp) { \
|
||||
(l) = *(cp)++ << 8; \
|
||||
(l) |= *(cp)++; (l) <<= 8; \
|
||||
(l) |= *(cp)++; (l) <<= 8; \
|
||||
(l) |= *(cp)++; \
|
||||
}
|
||||
#define PUTLONG(l, cp) { \
|
||||
*(cp)++ = (u_char) ((l) >> 24); \
|
||||
*(cp)++ = (u_char) ((l) >> 16); \
|
||||
*(cp)++ = (u_char) ((l) >> 8); \
|
||||
*(cp)++ = (u_char) (l); \
|
||||
}
|
||||
|
||||
#define INCPTR(n, cp) ((cp) += (n))
|
||||
#define DECPTR(n, cp) ((cp) -= (n))
|
||||
|
||||
/*
|
||||
* System dependent definitions for user-level 4.3BSD UNIX implementation.
|
||||
*/
|
||||
|
||||
#define TIMEOUT(r, f, t) timeout((r), (f), (t), 0)
|
||||
#define UNTIMEOUT(r, f) untimeout((r), (f))
|
||||
|
||||
#define BCOPY(s, d, l) memcpy(d, s, l)
|
||||
#define BZERO(s, n) memset(s, 0, n)
|
||||
#define BCMP(s1, s2, l) memcmp(s1, s2, l)
|
||||
|
||||
#define PRINTMSG(m, l) { info("Remote message: %0.*v", l, m); }
|
||||
|
||||
/*
|
||||
* MAKEHEADER - Add Header fields to a packet.
|
||||
*/
|
||||
#define MAKEHEADER(p, t) { \
|
||||
PUTCHAR(PPP_ALLSTATIONS, p); \
|
||||
PUTCHAR(PPP_UI, p); \
|
||||
PUTSHORT(t, p); }
|
||||
|
||||
/*
|
||||
* Exit status values.
|
||||
*/
|
||||
#define EXIT_OK 0
|
||||
#define EXIT_FATAL_ERROR 1
|
||||
#define EXIT_OPTION_ERROR 2
|
||||
#define EXIT_NOT_ROOT 3
|
||||
#define EXIT_NO_KERNEL_SUPPORT 4
|
||||
#define EXIT_USER_REQUEST 5
|
||||
#define EXIT_LOCK_FAILED 6
|
||||
#define EXIT_OPEN_FAILED 7
|
||||
#define EXIT_CONNECT_FAILED 8
|
||||
#define EXIT_PTYCMD_FAILED 9
|
||||
#define EXIT_NEGOTIATION_FAILED 10
|
||||
#define EXIT_PEER_AUTH_FAILED 11
|
||||
#define EXIT_IDLE_TIMEOUT 12
|
||||
#define EXIT_CONNECT_TIME 13
|
||||
#define EXIT_CALLBACK 14
|
||||
#define EXIT_PEER_DEAD 15
|
||||
#define EXIT_HANGUP 16
|
||||
#define EXIT_LOOPBACK 17
|
||||
#define EXIT_INIT_FAILED 18
|
||||
#define EXIT_AUTH_TOPEER_FAILED 19
|
||||
#ifdef MAXOCTETS
|
||||
#define EXIT_TRAFFIC_LIMIT 20
|
||||
#endif
|
||||
#define EXIT_CNID_AUTH_FAILED 21
|
||||
|
||||
/*
|
||||
* Debug macros. Slightly useful for finding bugs in pppd, not particularly
|
||||
* useful for finding out why your connection isn't being established.
|
||||
*/
|
||||
#ifdef DEBUGALL
|
||||
#define DEBUGMAIN 1
|
||||
#define DEBUGFSM 1
|
||||
#define DEBUGLCP 1
|
||||
#define DEBUGIPCP 1
|
||||
#define DEBUGIPV6CP 1
|
||||
#define DEBUGUPAP 1
|
||||
#define DEBUGCHAP 1
|
||||
#endif
|
||||
|
||||
#ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */
|
||||
#if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUGSYS) \
|
||||
|| defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \
|
||||
|| defined(DEBUGCHAP) || defined(DEBUG) || defined(DEBUGIPV6CP)
|
||||
#define LOG_PPP LOG_LOCAL2
|
||||
#else
|
||||
#define LOG_PPP LOG_DAEMON
|
||||
#endif
|
||||
#endif /* LOG_PPP */
|
||||
|
||||
#ifdef DEBUGMAIN
|
||||
#define MAINDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define MAINDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGSYS
|
||||
#define SYSDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define SYSDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGFSM
|
||||
#define FSMDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define FSMDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGLCP
|
||||
#define LCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define LCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPCP
|
||||
#define IPCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPV6CP
|
||||
#define IPV6CPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPV6CPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGUPAP
|
||||
#define UPAPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define UPAPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGCHAP
|
||||
#define CHAPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define CHAPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifdef DEBUGIPXCP
|
||||
#define IPXCPDEBUG(x) if (debug) dbglog x
|
||||
#else
|
||||
#define IPXCPDEBUG(x)
|
||||
#endif
|
||||
|
||||
#ifndef SIGTYPE
|
||||
#if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE)
|
||||
#define SIGTYPE void
|
||||
#else
|
||||
#define SIGTYPE int
|
||||
#endif /* defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) */
|
||||
#endif /* SIGTYPE */
|
||||
|
||||
#ifndef MIN
|
||||
#define MIN(a, b) ((a) < (b)? (a): (b))
|
||||
#endif
|
||||
#ifndef MAX
|
||||
#define MAX(a, b) ((a) > (b)? (a): (b))
|
||||
#endif
|
||||
|
||||
#ifndef offsetof
|
||||
#define offsetof(type, member) ((size_t) &((type *)0)->member)
|
||||
#endif
|
||||
|
||||
#endif /* __PPP_H__ */
|
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Reference in New Issue