2470 lines
59 KiB
C
2470 lines
59 KiB
C
/*
|
|
* options.c - handles option processing for PPP.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
char options_rcsid[] = "$Id: options.c,v 1.12 1998/10/16 12:37:53 keil Exp $";
|
|
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <limits.h>
|
|
#include <stdlib.h>
|
|
#include <termios.h>
|
|
#include <syslog.h>
|
|
#include <string.h>
|
|
#include <netdb.h>
|
|
#include <pwd.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
#include <ctype.h>
|
|
|
|
#ifdef RADIUS
|
|
#include <radiusclient.h>
|
|
#endif
|
|
|
|
#include "fsm.h"
|
|
#include "ipppd.h"
|
|
#include "pathnames.h"
|
|
#include "patchlevel.h"
|
|
#include "lcp.h"
|
|
#include "ipcp.h"
|
|
#include "upap.h"
|
|
#include "chap.h"
|
|
#include "ccp.h"
|
|
#include "cbcp.h"
|
|
#include "ipxcp.h"
|
|
|
|
#include <linux/ppp-comp.h>
|
|
|
|
#ifdef HAVE_LZSCOMP_H
|
|
#include <linux/isdn_lzscomp.h>
|
|
#else
|
|
#include "../ipppcomp/isdn_lzscomp.h"
|
|
#endif
|
|
|
|
#define FALSE 0
|
|
#define TRUE 1
|
|
|
|
#if defined(ultrix) || defined(NeXT)
|
|
char *strdup __P((char *));
|
|
#endif
|
|
|
|
#ifndef GIDSET_TYPE
|
|
#define GIDSET_TYPE gid_t
|
|
#endif
|
|
|
|
/*
|
|
* Option variables and default values.
|
|
*/
|
|
|
|
int debug = 0; /* Debug flag */
|
|
int kdebugflag = 0; /* Tell kernel to print debug messages */
|
|
int maxconnect = 0; /* Maximum connect time */
|
|
|
|
#ifdef INCLUDE_OBSOLETE_FEATURES
|
|
int crtscts = 0; /* Use hardware flow control */
|
|
int modem = 1; /* Use modem control lines */
|
|
int inspeed = 0; /* Input/Output speed requested */
|
|
char *connector = NULL; /* Script to establish physical link */
|
|
char *disconnector = NULL; /* Script to disestablish physical link */
|
|
struct option_info connector_info;
|
|
struct option_info disconnector_info;
|
|
#endif
|
|
|
|
u_int32_t netmask = 0; /* IP netmask to set on interface */
|
|
int lockflag = 0; /* Create lock file to lock the serial dev */
|
|
int nodetach = 0; /* Don't detach from controlling tty */
|
|
char user[MAXNAMELEN]; /* Username for PAP */
|
|
char passwd[MAXSECRETLEN]; /* Password for PAP */
|
|
int auth_required = 0; /* Peer is required to authenticate */
|
|
int defaultroute = 0; /* assign default route through interface */
|
|
int hostroute = 1;
|
|
int uselogin = 0; /* Use /etc/passwd for checking PAP */
|
|
#ifdef RADIUS
|
|
int useradius = 0; /* Use RADIUS server checking PAP */
|
|
int useradacct = 0; /* Use RADIUS server accounting */
|
|
extern char radius_user[] ;
|
|
extern int called_radius_init ;
|
|
extern int auth_order ;
|
|
|
|
#endif
|
|
int lcp_echo_interval = 0; /* Interval between LCP echo-requests */
|
|
int lcp_echo_fails = 0; /* Tolerance to unanswered echo-requests */
|
|
char our_name[MAXNAMELEN]; /* Our name for authentication purposes */
|
|
char remote_name[MAXNAMELEN]; /* Peer's name for authentication */
|
|
int usehostname = 0; /* Use hostname for our_name */
|
|
int disable_defaultip = 0; /* Don't use hostname for default IP adrs */
|
|
char *ipparam = NULL; /* Extra parameter for ip up/down scripts */
|
|
int cryptpap; /* Passwords in pap-secrets are encrypted */
|
|
int useifip=0; /* try to get IP addresses from interface */
|
|
int usefirstip=0;
|
|
int useifmtu=0; /* get MTU value from network device */
|
|
|
|
int idle_time_limit = 0; /* Disconnect if idle for this many seconds */
|
|
#ifdef RADIUS
|
|
int default_idle_time_limit = 0 ;
|
|
int session_time_limit = 0;
|
|
int default_session_time_limit = 0;
|
|
extern u_int32_t default_hisaddr ;
|
|
extern u_int32_t default_ouraddr ;
|
|
extern u_int32_t default_netmask ;
|
|
#endif
|
|
|
|
int holdoff = 30; /* # seconds to pause before reconnecting */
|
|
int refuse_pap = 0; /* Set to say we won't do PAP */
|
|
int refuse_chap = 0; /* Set to say we won't do CHAP */
|
|
|
|
int log_raw_password = 0;
|
|
int force_driver = 0;
|
|
|
|
struct option_info auth_req_info;
|
|
struct option_info devnam_info;
|
|
|
|
|
|
/*
|
|
* Prototypes
|
|
*/
|
|
static int setipaddr __P((int,char *));
|
|
static int setdebug __P((int));
|
|
static int setkdebug __P((int,char **));
|
|
static int setpassive __P((int));
|
|
static int setsilent __P((int));
|
|
static int noopt __P((int));
|
|
static int setnovj __P((int));
|
|
static int setnovjccomp __P((int));
|
|
static int setvjslots __P((int,char **));
|
|
static int reqpap __P((int));
|
|
static int nopap __P((int));
|
|
#ifdef OLD_OPTIONS
|
|
static int setupapfile __P((imt.char **));
|
|
#endif
|
|
static int nochap __P((int));
|
|
static int reqchap __P((int));
|
|
static int noaccomp __P((int));
|
|
static int noip __P((int));
|
|
static int nomagicnumber __P((int));
|
|
static int setmru __P((int,char **));
|
|
static int setmtu __P((int,char **));
|
|
static int setcbcp __P((int,char **));
|
|
static int setifmtu __P((int));
|
|
static int nomru __P((int));
|
|
static int nopcomp __P((int));
|
|
static int setipaddr __P((int,char *));
|
|
static int setdevname __P((char *,int));
|
|
static int setdomain __P((int,char **));
|
|
static int setnetmask __P((int,char **));
|
|
static int setnodetach __P((int));
|
|
static int setmaxconnect __P((int,char **));
|
|
|
|
#ifdef INCLUDE_OBSOLETE_FEATURES
|
|
static int setspeed __P((int,char *));
|
|
static int noasyncmap __P((int));
|
|
static int setescape __P((int,char **));
|
|
static int setasyncmap __P((int,char **));
|
|
static int setdisconnector __P((int,char **));
|
|
static int setconnector __P((int,char **));
|
|
static int setcrtscts __P((int));
|
|
static int setnocrtscts __P((int));
|
|
static int setxonxoff __P((int));
|
|
static int setmodem __P((int));
|
|
static int setlocal __P((int));
|
|
#endif
|
|
|
|
static int setlock __P((int));
|
|
static int setname __P((int,char **));
|
|
static int setuser __P((int,char **));
|
|
static int setremote __P((int,char **));
|
|
static int setauth __P((int));
|
|
static int setnoauth __P((int));
|
|
static int readfile __P((int,char **));
|
|
static int pidfile __P((int,char **));
|
|
static int callfile __P((int,char **));
|
|
static int setdefaultroute __P((int));
|
|
static int setnodefaultroute __P((int));
|
|
static int setproxyarp __P((int));
|
|
static int setnoproxyarp __P((int));
|
|
static int setdologin __P((int));
|
|
#ifdef RADIUS
|
|
static int setdoradius __P((int));
|
|
static int setdoradacct __P((int));
|
|
#endif
|
|
static int setusehostname __P((int));
|
|
static int setnoipdflt __P((int));
|
|
static int setlcptimeout __P((int,char **));
|
|
static int setlcpterm __P((int,char **));
|
|
static int setlcpconf __P((int,char **));
|
|
static int setlcpfails __P((int,char **));
|
|
static int setipcptimeout __P((int,char **));
|
|
static int setipcpterm __P((int,char **));
|
|
static int setipcpconf __P((int,char **));
|
|
static int setipcpfails __P((int,char **));
|
|
static int setpaptimeout __P((int,char **));
|
|
static int setpapreqs __P((int,char **));
|
|
static int setpapreqtime __P((int,char **));
|
|
static int setchaptimeout __P((int,char **));
|
|
static int setchapchal __P((int,char **));
|
|
static int setchapintv __P((int,char **));
|
|
static int setipcpaccl __P((int));
|
|
static int setipcpaccr __P((int));
|
|
static int setlcpechointv __P((int,char **));
|
|
static int setlcpechofails __P((int,char **));
|
|
static int setbsdcomp __P((int,char **));
|
|
static int noccp __P((int));
|
|
static int setnobsdcomp __P((int));
|
|
static int setlzs __P((int,char **));
|
|
static int setnolzs __P((int));
|
|
static int setdeflate __P((int,char **));
|
|
static int setnodeflate __P((int));
|
|
static int setpred1comp __P((int));
|
|
static int setnopred1comp __P((int));
|
|
static int setipparam __P((int,char **));
|
|
static int setpapcrypt __P((int));
|
|
static int setidle __P((int,char **));
|
|
#ifdef RADIUS
|
|
static int setsessionlimit __P((int,char **));
|
|
#endif
|
|
static int setholdoff __P((int,char **));
|
|
static int setdnsaddr __P((int,char **));
|
|
static int setwinsaddr __P((int,char **));
|
|
static int resetipxproto __P((int));
|
|
static int setuseifip __P((int));
|
|
static int setusefirstip __P((int));
|
|
static int setmp __P((int));
|
|
static int setpwlog __P((int));
|
|
|
|
static int setipxproto __P((int));
|
|
static int setipxanet __P((int));
|
|
static int setipxalcl __P((int));
|
|
static int setipxarmt __P((int));
|
|
static int setipxnetwork __P((int,char **));
|
|
static int setipxnode __P((int,char **));
|
|
static int setipxrouter __P((int,char **));
|
|
static int setipxname __P((int,char **));
|
|
static int setipxcptimeout __P((int,char **));
|
|
static int setipxcpterm __P((int,char **));
|
|
static int setipxcpconf __P((int,char **));
|
|
static int setipxcpfails __P((int,char **));
|
|
|
|
static int sethostroute __P((int));
|
|
static int setnohostroute __P((int));
|
|
|
|
static int number_option __P((char *, u_int32_t *, int));
|
|
static int int_option __P((char *, int *));
|
|
static int readable __P((int));
|
|
static int setforcedriver(int dummy);
|
|
|
|
#ifdef RADIUS
|
|
char *make_username_realm ( char * );
|
|
int __P (radius_init ( void ));
|
|
#endif
|
|
|
|
/*
|
|
* Valid arguments.
|
|
*/
|
|
static struct cmd {
|
|
char *cmd_name;
|
|
int num_args;
|
|
int (*cmd_func)();
|
|
} cmds[] = {
|
|
{"-all", 0, noopt}, /* Don't request/allow any options (useless) */
|
|
{"noaccomp", 0, noaccomp}, /* Disable Address/Control compression */
|
|
{"-ac", 0, noaccomp}, /* Disable Address/Control compress */
|
|
{"-d", 0, setdebug}, /* Increase debugging level */
|
|
{"nodetach", 0, setnodetach}, /* Don't detach from controlling tty */
|
|
{"-detach", 0, setnodetach}, /* don't fork */
|
|
{"noip", 0, noip}, /* Disable IP and IPCP */
|
|
{"-ip", 0, noip}, /* Disable IP and IPCP */
|
|
{"nomagic", 0, nomagicnumber}, /* Disable magic number negotiation */
|
|
{"-mn", 0, nomagicnumber}, /* Disable magic number negotiation */
|
|
{"default-mru", 0, nomru}, /* Disable MRU negotiation */
|
|
{"-mru", 0, nomru}, /* Disable mru negotiation */
|
|
{"-p", 0, setpassive}, /* Set passive mode */
|
|
{"nopcomp", 0, nopcomp}, /* Disable protocol field compression */
|
|
{"-pc", 0, nopcomp}, /* Disable protocol field compress */
|
|
#if OLD_OPTIONS
|
|
{"+ua", 1, setupapfile}, /* Get PAP user and password from file */
|
|
#endif
|
|
{"require-pap", 0, reqpap}, /* Require PAP authentication from peer */
|
|
{"+pap", 0, reqpap}, /* Require PAP auth from peer */
|
|
{"refuse-pap", 0, nopap}, /* Don't agree to auth to peer with PAP */
|
|
{"-pap", 0, nopap}, /* Don't allow UPAP authentication with peer */
|
|
{"require-chap", 0, reqchap}, /* Require CHAP authentication from peer */
|
|
{"+chap", 0, reqchap}, /* Require CHAP authentication from peer */
|
|
{"refuse-chap", 0, nochap}, /* Don't agree to auth to peer with CHAP */
|
|
{"-chap", 0, nochap}, /* Don't allow CHAP authentication with peer */
|
|
{"novj", 0, setnovj}, /* Disable VJ compression */
|
|
{"-vj", 0, setnovj}, /* disable VJ compression */
|
|
{"novjccomp", 0, setnovjccomp}, /* disable VJ connection-ID compression */
|
|
{"-vjccomp", 0, setnovjccomp}, /* disable VJ connection-ID compression */
|
|
{"vj-max-slots", 1, setvjslots}, /* Set maximum VJ header slots */
|
|
{"maxconnect", 1, setmaxconnect}, /* specify a maximum connect time */
|
|
#ifdef INCLUDE_OBSOLETE_FEATURES
|
|
{"asyncmap", 1, setasyncmap}, /* set the desired async map */
|
|
{"escape", 1, setescape}, /* set chars to escape on transmission */
|
|
{"-am", 0, noasyncmap}, /* Disable asyncmap negotiation */
|
|
{"-as", 1, setasyncmap}, /* set the desired async map */
|
|
{"default-asyncmap", 0, noasyncmap}, /* Disable asyncmap negoatiation */
|
|
{"disconnect", 1, setdisconnector}, /* program to disconnect serial dev. */
|
|
{"connect", 1, setconnector}, /* A program to set up a connection */
|
|
{"crtscts", 0, setcrtscts}, /* set h/w flow control */
|
|
{"nocrtscts", 0, setnocrtscts}, /* clear h/w flow control */
|
|
{"-crtscts", 0, setnocrtscts}, /* clear h/w flow control */
|
|
{"xonxoff", 0, setxonxoff}, /* set s/w flow control */
|
|
{"modem", 0, setmodem}, /* Use modem control lines */
|
|
{"local", 0, setlocal}, /* Don't use modem control lines */
|
|
#endif
|
|
{"debug", 0, setdebug}, /* Increase debugging level */
|
|
{"kdebug", 1, setkdebug}, /* Enable kernel-level debugging */
|
|
{"domain", 1, setdomain}, /* Add given domain name to hostname*/
|
|
{"mru", 1, setmru}, /* Set MRU value for negotiation */
|
|
{"mtu", 1, setmtu}, /* Set our MTU */
|
|
{"callback", 1, setcbcp}, /* Ask for callback */
|
|
{"useifmtu", 0, setifmtu}, /* get MTU value from attached network device */
|
|
{"netmask", 1, setnetmask}, /* set netmask */
|
|
{"passive", 0, setpassive}, /* Set passive mode */
|
|
{"silent", 0, setsilent}, /* Set silent mode */
|
|
{"lock", 0, setlock}, /* Lock serial device (with lock file) */
|
|
{"name", 1, setname}, /* Set local name for authentication */
|
|
{"user", 1, setuser}, /* Set name for auth with peer */
|
|
{"usehostname", 0, setusehostname}, /* Must use hostname for auth. */
|
|
{"remotename", 1, setremote}, /* Set remote name for authentication */
|
|
{"auth", 0, setauth}, /* Require authentication from peer */
|
|
{"noauth", 0, setnoauth}, /* Don't require peer to authenticate */
|
|
{"file", 1, readfile}, /* Take options from a file */
|
|
{"pidfile",1,pidfile},
|
|
{"call", 1, callfile}, /* Take options from a privileged file */
|
|
{"defaultroute", 0, setdefaultroute}, /* Add default route */
|
|
{"nodefaultroute", 0, setnodefaultroute}, /* disable defaultroute option */
|
|
{"-defaultroute", 0, setnodefaultroute}, /* disable defaultroute option */
|
|
{"proxyarp", 0, setproxyarp}, /* Add proxy ARP entry */
|
|
{"noproxyarp", 0, setnoproxyarp}, /* disable proxyarp option */
|
|
{"-proxyarp", 0, setnoproxyarp}, /* disable proxyarp option */
|
|
{"login", 0, setdologin}, /* Use system password database for UPAP */
|
|
#ifdef RADIUS
|
|
{"radius", 0, setdoradius}, /* Use RADIUS server for UPAP */
|
|
{"radacct", 0, setdoradacct}, /* Use RADIUS server for accounting */
|
|
#endif
|
|
{"noipdefault", 0, setnoipdflt}, /* Don't use name for default IP adrs */
|
|
{"lcp-echo-failure", 1, setlcpechofails}, /* consecutive echo failures */
|
|
{"lcp-echo-interval", 1, setlcpechointv}, /* time for lcp echo events */
|
|
{"lcp-restart", 1, setlcptimeout}, /* Set timeout for LCP */
|
|
{"lcp-max-terminate", 1, setlcpterm}, /* Set max #xmits for term-reqs */
|
|
{"lcp-max-configure", 1, setlcpconf}, /* Set max #xmits for conf-reqs */
|
|
{"lcp-max-failure", 1, setlcpfails}, /* Set max #conf-naks for LCP */
|
|
{"ipcp-restart", 1, setipcptimeout}, /* Set timeout for IPCP */
|
|
{"ipcp-max-terminate", 1, setipcpterm}, /* Set max #xmits for term-reqs */
|
|
{"ipcp-max-configure", 1, setipcpconf}, /* Set max #xmits for conf-reqs */
|
|
{"ipcp-max-failure", 1, setipcpfails}, /* Set max #conf-naks for IPCP */
|
|
{"pap-restart", 1, setpaptimeout}, /* Set retransmit timeout for PAP */
|
|
{"pap-max-authreq", 1, setpapreqs}, /* Set max #xmits for auth-reqs */
|
|
{"pap-timeout", 1, setpapreqtime}, /* Set time limit for peer PAP auth. */
|
|
{"chap-restart", 1, setchaptimeout}, /* Set timeout for CHAP */
|
|
{"chap-max-challenge", 1, setchapchal}, /* Set max #xmits for challenge */
|
|
{"chap-interval", 1, setchapintv}, /* Set interval for rechallenge */
|
|
{"ipcp-accept-local", 0, setipcpaccl}, /* Accept peer's address for us */
|
|
{"ipcp-accept-remote", 0, setipcpaccr}, /* Accept peer's address for it */
|
|
{"noccp", 0, noccp}, /* Disable CCP negotiation */
|
|
{"-ccp", 0, noccp}, /* Disable CCP negotiation */
|
|
{"bsdcomp", 1, setbsdcomp}, /* request BSD-Compress */
|
|
{"nobsdcomp", 0, setnobsdcomp}, /* don't allow BSD-Compress */
|
|
{"-bsdcomp", 0, setnobsdcomp}, /* don't allow BSD-Compress */
|
|
{"lzs", 1, setlzs}, /* request LZS Compression */
|
|
{"nolzs", 0, setnolzs}, /* disable LZS Compression */
|
|
{"-lzs", 0, setnolzs}, /* disable LZS Compression */
|
|
{"deflate", 1, setdeflate}, /* request Deflate compression */
|
|
{"nodeflate", 0, setnodeflate}, /* don't allow Deflate compression */
|
|
{"-deflate", 0, setnodeflate}, /* don't allow Deflate compression */
|
|
{"predictor1", 0, setpred1comp}, /* request Predictor-1 */
|
|
{"nopredictor1", 0, setnopred1comp},/* don't allow Predictor-1 */
|
|
{"-predictor1", 0, setnopred1comp}, /* don't allow Predictor-1 */
|
|
{"ipparam", 1, setipparam}, /* set ip script parameter */
|
|
{"papcrypt", 0, setpapcrypt}, /* PAP passwords encrypted */
|
|
{"idle", 1, setidle}, /* idle time limit (seconds) */
|
|
#ifdef RADIUS
|
|
{"session-limit", 1, setsessionlimit}, /* seconds for disconnect sessions */
|
|
#endif
|
|
{"holdoff", 1, setholdoff}, /* set holdoff time (seconds) */
|
|
{"ms-dns", 1, setdnsaddr}, /* DNS address for the peer's use */
|
|
{"ms-wins", 1, setwinsaddr}, /* WINS address for the peer's use */
|
|
{"noipx", 0, resetipxproto}, /* Disable IPXCP (and IPX) */
|
|
{"-ipx", 0, resetipxproto}, /* Disable IPXCP (and IPX) */
|
|
|
|
{"useifip",0,setuseifip}, /* call setifip() for IP addrs */
|
|
{"usefirstip",0,setusefirstip}, /* use first IP from auth file for remote */
|
|
{"+mp",0,setmp},
|
|
{"+pwlog",0,setpwlog},
|
|
|
|
{"ipx-network", 1, setipxnetwork}, /* IPX network number */
|
|
{"ipxcp-accept-network", 0, setipxanet}, /* Accept peer netowrk */
|
|
{"ipx-node", 1, setipxnode}, /* IPX node number */
|
|
{"ipxcp-accept-local", 0, setipxalcl}, /* Accept our address */
|
|
{"ipxcp-accept-remote", 0, setipxarmt}, /* Accept peer's address */
|
|
{"ipx-routing", 1, setipxrouter}, /* IPX routing proto number */
|
|
{"ipx-router-name", 1, setipxname}, /* IPX router name */
|
|
{"ipxcp-restart", 1, setipxcptimeout}, /* Set timeout for IPXCP */
|
|
{"ipxcp-max-terminate", 1, setipxcpterm}, /* max #xmits for term-reqs */
|
|
{"ipxcp-max-configure", 1, setipxcpconf}, /* max #xmits for conf-reqs */
|
|
{"ipxcp-max-failure", 1, setipxcpfails}, /* max #conf-naks for IPXCP */
|
|
#if 0
|
|
{"ipx-compression", 1, setipxcompression}, /* IPX compression number */
|
|
#endif
|
|
{"ipx", 0, setipxproto}, /* Enable IPXCP (and IPX) */
|
|
{"+ipx", 0, setipxproto}, /* Enable IPXCP (and IPX) */
|
|
|
|
#ifdef __linux__
|
|
{"hostroute", 0, sethostroute}, /* Add host route (default) */
|
|
{"-hostroute", 0, setnohostroute}, /* Don't add host route */
|
|
#endif
|
|
{"+force-driver",0,setforcedriver},
|
|
|
|
{NULL, 0, NULL}
|
|
};
|
|
|
|
|
|
#ifndef IMPLEMENTATION
|
|
#define IMPLEMENTATION ""
|
|
#endif
|
|
|
|
static char *usage_string = "\
|
|
ipppd version %s patch level %d%s\n\
|
|
Usage: %s [ options ], where options are:\n\
|
|
\t<device> Communicate over the named device\n\
|
|
#ifdef INCLUDE_OBSOLETE_FEATURES
|
|
\tcrtscts Use hardware RTS/CTS flow control\n\
|
|
\t<speed> Set the baud rate to <speed>\n\
|
|
\tmodem Use modem control lines\n\
|
|
#endif
|
|
\t<loc>:<rem> Set the local and/or remote interface IP\n\
|
|
\t\taddresses. (you also may use the option 'useifip' to get IPs).\n\
|
|
\tasyncmap <n> Set the desired async map to hex <n>\n\
|
|
\tauth Require authentication from peer\n\
|
|
\tconnect <p> Invoke shell command <p> to set up the serial line\n\
|
|
\tdefaultroute Add default route through interface\n\
|
|
\tfile <f> Take options from file <f>\n\
|
|
\tmru <n> Set MRU value to <n> for negotiation\n\
|
|
\tnetmask <n> Set interface netmask to <n>\n\
|
|
See ipppd(8) for more options.\n\
|
|
";
|
|
|
|
static char *current_option; /* the name of the option being parsed */
|
|
|
|
/*
|
|
* parse_args - parse a string of arguments from the command line.
|
|
*/
|
|
int parse_args(int argc,char **argv)
|
|
{
|
|
char *arg;
|
|
struct cmd *cmdp;
|
|
int ret;
|
|
int slot = 0;
|
|
|
|
while (argc > 0) {
|
|
arg = *argv++;
|
|
--argc;
|
|
|
|
/*
|
|
* First see if it's a command.
|
|
*/
|
|
for (cmdp = cmds; cmdp->cmd_name; cmdp++)
|
|
if (!strcmp(arg, cmdp->cmd_name))
|
|
break;
|
|
|
|
if (cmdp->cmd_name != NULL) {
|
|
if (argc < cmdp->num_args) {
|
|
option_error("too few parameters for option %s", arg);
|
|
return 0;
|
|
}
|
|
current_option = arg;
|
|
if (!(*cmdp->cmd_func)(slot,argv))
|
|
return 0;
|
|
argc -= cmdp->num_args;
|
|
argv += cmdp->num_args;
|
|
|
|
} else {
|
|
/*
|
|
* Maybe a tty name, speed or IP address?
|
|
*/
|
|
if( (ret = setdevname(arg,numdev)) )
|
|
{
|
|
if(ret < 0)
|
|
return 0;
|
|
numdev++;
|
|
}
|
|
else if (
|
|
#ifdef INCLUDE_OBSOLETE_FEATURES
|
|
(ret = setspeed(slot,arg)) == 0 &&
|
|
#endif
|
|
(ret = setipaddr(slot,arg)) == 0) {
|
|
option_error("unrecognized option '%s'", arg);
|
|
usage();
|
|
return 0;
|
|
}
|
|
if (ret < 0) /* error */
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
void make_options_global(int slot)
|
|
{
|
|
int i;
|
|
|
|
for(i=0;i<NUM_PPP;i++)
|
|
{
|
|
if(i == slot)
|
|
continue;
|
|
lcp_wantoptions[i] = lcp_wantoptions[slot];
|
|
lcp_allowoptions[i] = lcp_allowoptions[slot];
|
|
ipcp_wantoptions[i] = ipcp_wantoptions[slot];
|
|
ipcp_allowoptions[i] = ipcp_allowoptions[slot];
|
|
ccp_wantoptions[i] = ccp_wantoptions[slot];
|
|
ccp_allowoptions[i] = ccp_allowoptions[slot];
|
|
ipxcp_wantoptions[i] = ipxcp_wantoptions[slot];
|
|
ipxcp_allowoptions[i] = ipxcp_allowoptions[slot];
|
|
ipxcp_fsm[i] = ipxcp_fsm[slot];
|
|
lcp_fsm[i] = lcp_fsm[slot];
|
|
ipcp_fsm[i] = ipcp_fsm[slot];
|
|
ccp_fsm[i] = ccp_fsm[slot];
|
|
chap[i] = chap[slot];
|
|
upap[i] = upap[slot];
|
|
cbcp[i] = cbcp[slot];
|
|
|
|
memcpy(xmit_accm[i],xmit_accm[slot],sizeof(xmit_accm[0]));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* scan_args - scan the command line arguments to get the tty name,
|
|
* if specified.
|
|
*/
|
|
void scan_args(int argc,char **argv)
|
|
{
|
|
char *arg;
|
|
struct cmd *cmdp;
|
|
|
|
while (argc > 0) {
|
|
arg = *argv++;
|
|
--argc;
|
|
|
|
/* Skip options and their arguments */
|
|
for (cmdp = cmds; cmdp->cmd_name; cmdp++)
|
|
if (!strcmp(arg, cmdp->cmd_name))
|
|
break;
|
|
|
|
if (cmdp->cmd_name != NULL) {
|
|
argc -= cmdp->num_args;
|
|
argv += cmdp->num_args;
|
|
continue;
|
|
}
|
|
|
|
/* Check if it's a tty name and copy it if so */
|
|
(void) setdevname(arg, 1);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* usage - print out a message telling how to use the program.
|
|
*/
|
|
void usage(void)
|
|
{
|
|
fprintf(stderr, usage_string, VERSION, PATCHLEVEL, IMPLEMENTATION, progname);
|
|
}
|
|
|
|
/*
|
|
* options_from_file - Read a string of options from a file,
|
|
* and interpret them.
|
|
*/
|
|
int options_from_file(char *filename,int must_exist,int check_prot , int slot)
|
|
{
|
|
FILE *f;
|
|
int i, newline, ret;
|
|
struct cmd *cmdp;
|
|
char *argv[MAXARGS];
|
|
char args[MAXARGS][MAXWORDLEN];
|
|
char cmd[MAXWORDLEN];
|
|
|
|
if ((f = fopen(filename, "r")) == NULL) {
|
|
if (!must_exist && errno == ENOENT)
|
|
return 1;
|
|
option_error("Can't open options file %s: %m", filename);
|
|
return 0;
|
|
}
|
|
if (check_prot && !readable(fileno(f))) {
|
|
option_error("Can't open options file %s: access denied", filename);
|
|
fclose(f);
|
|
return 0;
|
|
}
|
|
|
|
while (getword(f, cmd, &newline, filename)) {
|
|
/*
|
|
* First see if it's a command.
|
|
*/
|
|
for (cmdp = cmds; cmdp->cmd_name; cmdp++)
|
|
if (!strcmp(cmd, cmdp->cmd_name))
|
|
break;
|
|
|
|
if (cmdp->cmd_name != NULL) {
|
|
for (i = 0; i < cmdp->num_args; ++i) {
|
|
if (!getword(f, args[i], &newline, filename)) {
|
|
fprintf(stderr,
|
|
"In file %s: too few parameters for command %s\n",
|
|
filename, cmd);
|
|
fclose(f);
|
|
return 0;
|
|
}
|
|
argv[i] = args[i];
|
|
}
|
|
if (!(*cmdp->cmd_func)(slot,argv)) {
|
|
fclose(f);
|
|
return 0;
|
|
}
|
|
|
|
} else {
|
|
/*
|
|
* Maybe a tty name, speed or IP address?
|
|
*/
|
|
|
|
if((ret = setdevname(cmd,numdev)))
|
|
{
|
|
if(ret < 0)
|
|
return 0;
|
|
numdev++;
|
|
}
|
|
else if(
|
|
#ifdef INCLUDE_OBSOLETE_FEATURES
|
|
(ret = setspeed(slot,cmd)) == 0 &&
|
|
#endif
|
|
(ret = setipaddr(slot,cmd)) == 0) {
|
|
fprintf(stderr, "In file %s: unrecognized command %s\n",
|
|
filename, cmd);
|
|
fclose(f);
|
|
return 0;
|
|
}
|
|
if (ret < 0) /* error */
|
|
return 0;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* options_for_tty - See if an options file exists for the serial
|
|
* device, and if so, interpret options from it.
|
|
* You can enable this but then you should know what you do and
|
|
* how configuration works!!!!!!
|
|
*/
|
|
int options_for_tty()
|
|
{
|
|
#if 0
|
|
char *dev, *path;
|
|
int ret,i;
|
|
|
|
for(i=0;i<numdev;i++) {
|
|
int slot;
|
|
#if 0
|
|
slot = i;
|
|
#else
|
|
slot = 0;
|
|
#endif
|
|
dev = strrchr(lns[i].devnam, '/');
|
|
if (dev == NULL) {
|
|
syslog(LOG_NOTICE,"oops: strange device name %s",lns[i].devnam);
|
|
continue;
|
|
}
|
|
++dev;
|
|
path = malloc(strlen(_PATH_TTYOPT) + strlen(dev) + 1);
|
|
if (path == NULL)
|
|
novm("tty init file name");
|
|
strcpy(path, _PATH_TTYOPT);
|
|
strcat(path, dev);
|
|
|
|
ret = options_from_file(path, 0, 0 , slot );
|
|
free(path);
|
|
}
|
|
#endif
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* option_error - print a message about an error in an option.
|
|
* The message is logged, and also sent to
|
|
* stderr if phase == PHASE_INITIALIZE.
|
|
*/
|
|
void option_error(char *fmt, ...)
|
|
{
|
|
va_list args;
|
|
char buf[256];
|
|
|
|
#if __STDC__
|
|
va_start(args, fmt);
|
|
#else
|
|
char *fmt;
|
|
va_start(args);
|
|
fmt = va_arg(args, char *);
|
|
#endif
|
|
vfmtmsg(buf, sizeof(buf), fmt, args);
|
|
va_end(args);
|
|
fprintf(stderr, "%s: %s\n", progname, buf);
|
|
syslog(LOG_ERR, "%s", buf);
|
|
}
|
|
|
|
/*
|
|
* readable - check if a file is readable by the real user.
|
|
*/
|
|
static int
|
|
readable(int lfd)
|
|
{
|
|
uid_t uid;
|
|
int ngroups, i;
|
|
struct stat sbuf;
|
|
GIDSET_TYPE groups[NGROUPS_MAX];
|
|
|
|
uid = getuid();
|
|
if (uid == 0)
|
|
return 1;
|
|
if (fstat(lfd, &sbuf) != 0)
|
|
return 0;
|
|
if (sbuf.st_uid == uid)
|
|
return sbuf.st_mode & S_IRUSR;
|
|
if (sbuf.st_gid == getgid())
|
|
return sbuf.st_mode & S_IRGRP;
|
|
ngroups = getgroups(NGROUPS_MAX, groups);
|
|
for (i = 0; i < ngroups; ++i)
|
|
if (sbuf.st_gid == groups[i])
|
|
return sbuf.st_mode & S_IRGRP;
|
|
return sbuf.st_mode & S_IROTH;
|
|
}
|
|
|
|
/*
|
|
* Read a word from a file.
|
|
* Words are delimited by white-space or by quotes (" or ').
|
|
* Quotes, white-space and \ may be escaped with \.
|
|
* \<newline> is ignored.
|
|
*/
|
|
|
|
int getword(FILE *f,char *word,int *newlinep,char *filename)
|
|
{
|
|
int c, len, escape;
|
|
int quoted, comment;
|
|
int value, digit, got, n;
|
|
|
|
#define isoctal(c) ((c) >= '0' && (c) < '8')
|
|
|
|
*newlinep = 0;
|
|
len = 0;
|
|
escape = 0;
|
|
comment = 0;
|
|
|
|
/*
|
|
* First skip white-space and comments.
|
|
*/
|
|
for (;;) {
|
|
c = getc(f);
|
|
if (c == EOF)
|
|
break;
|
|
|
|
/*
|
|
* A newline means the end of a comment; backslash-newline
|
|
* is ignored. Note that we cannot have escape && comment.
|
|
*/
|
|
if (c == '\n') {
|
|
if (!escape) {
|
|
*newlinep = 1;
|
|
comment = 0;
|
|
} else
|
|
escape = 0;
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* Ignore characters other than newline in a comment.
|
|
*/
|
|
if (comment)
|
|
continue;
|
|
|
|
/*
|
|
* If this character is escaped, we have a word start.
|
|
*/
|
|
if (escape)
|
|
break;
|
|
|
|
/*
|
|
* If this is the escape character, look at the next character.
|
|
*/
|
|
if (c == '\\') {
|
|
escape = 1;
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* If this is the start of a comment, ignore the rest of the line.
|
|
*/
|
|
if (c == '#') {
|
|
comment = 1;
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* A non-whitespace character is the start of a word.
|
|
*/
|
|
if (!isspace(c))
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Save the delimiter for quoted strings.
|
|
*/
|
|
if (!escape && (c == '"' || c == '\'')) {
|
|
quoted = c;
|
|
c = getc(f);
|
|
} else
|
|
quoted = 0;
|
|
|
|
/*
|
|
* Process characters until the end of the word.
|
|
*/
|
|
while (c != EOF) {
|
|
if (escape) {
|
|
/*
|
|
* This character is escaped: backslash-newline is ignored,
|
|
* various other characters indicate particular values
|
|
* as for C backslash-escapes.
|
|
*/
|
|
escape = 0;
|
|
if (c == '\n') {
|
|
c = getc(f);
|
|
continue;
|
|
}
|
|
|
|
got = 0;
|
|
switch (c) {
|
|
case 'a':
|
|
value = '\a';
|
|
break;
|
|
case 'b':
|
|
value = '\b';
|
|
break;
|
|
case 'f':
|
|
value = '\f';
|
|
break;
|
|
case 'n':
|
|
value = '\n';
|
|
break;
|
|
case 'r':
|
|
value = '\r';
|
|
break;
|
|
case 's':
|
|
value = ' ';
|
|
break;
|
|
case 't':
|
|
value = '\t';
|
|
break;
|
|
|
|
default:
|
|
if (isoctal(c)) {
|
|
/*
|
|
* \ddd octal sequence
|
|
*/
|
|
value = 0;
|
|
for (n = 0; n < 3 && isoctal(c); ++n) {
|
|
value = (value << 3) + (c & 07);
|
|
c = getc(f);
|
|
}
|
|
got = 1;
|
|
break;
|
|
}
|
|
|
|
if (c == 'x') {
|
|
/*
|
|
* \x<hex_string> sequence
|
|
*/
|
|
value = 0;
|
|
c = getc(f);
|
|
for (n = 0; n < 2 && isxdigit(c); ++n) {
|
|
digit = toupper(c) - '0';
|
|
if (digit > 10)
|
|
digit += '0' + 10 - 'A';
|
|
value = (value << 4) + digit;
|
|
c = getc (f);
|
|
}
|
|
got = 1;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Otherwise the character stands for itself.
|
|
*/
|
|
value = c;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Store the resulting character for the escape sequence.
|
|
*/
|
|
if (len < MAXWORDLEN-1)
|
|
word[len] = value;
|
|
++len;
|
|
|
|
if (!got)
|
|
c = getc(f);
|
|
continue;
|
|
|
|
}
|
|
|
|
/*
|
|
* Not escaped: see if we've reached the end of the word.
|
|
*/
|
|
if (quoted) {
|
|
if (c == quoted)
|
|
break;
|
|
} else {
|
|
if (isspace(c) || c == '#') {
|
|
ungetc (c, f);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Backslash starts an escape sequence.
|
|
*/
|
|
if (c == '\\') {
|
|
escape = 1;
|
|
c = getc(f);
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* An ordinary character: store it in the word and get another.
|
|
*/
|
|
if (len < MAXWORDLEN-1)
|
|
word[len] = c;
|
|
++len;
|
|
|
|
c = getc(f);
|
|
}
|
|
|
|
/*
|
|
* End of the word: check for errors.
|
|
*/
|
|
if (c == EOF) {
|
|
if (ferror(f)) {
|
|
if (errno == 0)
|
|
errno = EIO;
|
|
perror(filename);
|
|
die(1);
|
|
}
|
|
/*
|
|
* If len is zero, then we didn't find a word before the
|
|
* end of the file.
|
|
*/
|
|
if (len == 0)
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Warn if the word was too long, and append a terminating null.
|
|
*/
|
|
if (len >= MAXWORDLEN) {
|
|
fprintf(stderr, "%s: warning: word in file %s too long (%.20s...)\n",
|
|
progname, filename, word);
|
|
len = MAXWORDLEN - 1;
|
|
}
|
|
word[len] = 0;
|
|
|
|
return 1;
|
|
|
|
#undef isoctal
|
|
|
|
}
|
|
|
|
/*
|
|
* number_option - parse an unsigned numeric parameter for an option.
|
|
*/
|
|
static int
|
|
number_option(str, valp, base)
|
|
char *str;
|
|
u_int32_t *valp;
|
|
int base;
|
|
{
|
|
char *ptr;
|
|
|
|
*valp = strtoul(str, &ptr, base);
|
|
if (ptr == str) {
|
|
fprintf(stderr, "%s: invalid number: %s\n", progname, str);
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
|
|
/*
|
|
* int_option - like number_option, but valp is int *,
|
|
* the base is assumed to be 0, and *valp is not changed
|
|
* if there is an error.
|
|
*/
|
|
static int
|
|
int_option(str, valp)
|
|
char *str;
|
|
int *valp;
|
|
{
|
|
u_int32_t v;
|
|
|
|
if (!number_option(str, &v, 0))
|
|
return 0;
|
|
*valp = (int) v;
|
|
return 1;
|
|
}
|
|
|
|
|
|
/*
|
|
* The following procedures execute commands.
|
|
*/
|
|
|
|
static int pidfile(int slot,char **argv)
|
|
{
|
|
strncpy(pidfilename,argv[0],MAXPATHLEN-1);
|
|
pidfilename[MAXPATHLEN-1] = 0;
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* readfile - take commands from a file.
|
|
*/
|
|
static int readfile(int slot,char **argv)
|
|
{
|
|
return options_from_file(*argv, 1, 1 , slot);
|
|
}
|
|
|
|
/*
|
|
* callfile - take commands from /etc/ppp/peers/<name>.
|
|
* Name may not contain /../, start with / or ../, or end in /..
|
|
*/
|
|
static int callfile(int slot,char **argv)
|
|
{
|
|
char *fname, *arg, *p;
|
|
int l, ok;
|
|
|
|
arg = *argv;
|
|
ok = 1;
|
|
if (arg[0] == '/' || arg[0] == 0)
|
|
ok = 0;
|
|
else {
|
|
for (p = arg; *p != 0; ) {
|
|
if (p[0] == '.' && p[1] == '.' && (p[2] == '/' || p[2] == 0)) {
|
|
ok = 0;
|
|
break;
|
|
}
|
|
while (*p != '/' && *p != 0)
|
|
++p;
|
|
if (*p == '/')
|
|
++p;
|
|
}
|
|
}
|
|
if (!ok) {
|
|
option_error("call option value may not contain .. or start with /");
|
|
return 0;
|
|
}
|
|
|
|
l = strlen(arg) + strlen(_PATH_PEERFILES) + 1;
|
|
if ((fname = (char *) malloc(l)) == NULL)
|
|
novm("call file name");
|
|
strcpy(fname, _PATH_PEERFILES);
|
|
strcat(fname, arg);
|
|
|
|
ok = options_from_file(fname, 1, 1, slot);
|
|
|
|
free(fname);
|
|
return ok;
|
|
}
|
|
|
|
/*
|
|
* setdebug - Set debug (command line argument).
|
|
*/
|
|
static int
|
|
setdebug(int slot)
|
|
{
|
|
debug++;
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* setkdebug - Set kernel debugging level.
|
|
*/
|
|
static int setkdebug(int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &kdebugflag);
|
|
}
|
|
|
|
/*
|
|
* noopt - Disable all options.
|
|
*/
|
|
static int noopt(int slot)
|
|
{
|
|
BZERO((char *) &lcp_wantoptions[slot], sizeof (struct lcp_options));
|
|
BZERO((char *) &lcp_allowoptions[slot], sizeof (struct lcp_options));
|
|
BZERO((char *) &ipcp_wantoptions[slot], sizeof (struct ipcp_options));
|
|
BZERO((char *) &ipcp_allowoptions[slot], sizeof (struct ipcp_options));
|
|
BZERO((char *) &ipxcp_wantoptions[slot], sizeof (struct ipxcp_options));
|
|
BZERO((char *) &ipxcp_allowoptions[slot], sizeof (struct ipxcp_options));
|
|
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* noaccomp - Disable Address/Control field compression negotiation.
|
|
*/
|
|
static int noaccomp(int slot)
|
|
{
|
|
lcp_wantoptions[slot].neg_accompression = 0;
|
|
lcp_allowoptions[slot].neg_accompression = 0;
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* noip - Disable IP and IPCP .
|
|
*/
|
|
static int noip(int slot)
|
|
{
|
|
ipcp_protent.enabled_flag = 0;
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* nomagicnumber - Disable magic number negotiation.
|
|
*/
|
|
static int nomagicnumber(int slot)
|
|
{
|
|
lcp_wantoptions[slot].neg_magicnumber = 0;
|
|
lcp_allowoptions[slot].neg_magicnumber = 0;
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* nomru - Disable mru negotiation.
|
|
*/
|
|
static int nomru(int slot)
|
|
{
|
|
lcp_wantoptions[slot].neg_mru = 0;
|
|
lcp_allowoptions[slot].neg_mru = 0;
|
|
return (1);
|
|
}
|
|
|
|
|
|
/*
|
|
* setmru - Set MRU for negotiation.
|
|
*/
|
|
static int setmru(int slot,char **argv)
|
|
{
|
|
u_int32_t mru;
|
|
|
|
if (!number_option(*argv, &mru, 0))
|
|
return 0;
|
|
lcp_wantoptions[slot].mru = mru;
|
|
lcp_wantoptions[slot].neg_mru = 1;
|
|
return (1);
|
|
}
|
|
|
|
|
|
/*
|
|
* setmru - Set the largest MTU we'll use.
|
|
*/
|
|
static int setmtu(int slot,char **argv)
|
|
{
|
|
u_int32_t mtu;
|
|
|
|
if (!number_option(*argv, &mtu, 0))
|
|
return 0;
|
|
if (mtu < MINMRU || mtu > MAXMRU) {
|
|
fprintf(stderr, "mtu option value of %ld is too %s\n",(long) mtu,
|
|
(mtu < MINMRU? "small": "large"));
|
|
return 0;
|
|
}
|
|
lcp_allowoptions[slot].mru = mtu;
|
|
return (1);
|
|
}
|
|
|
|
static int setcbcp(int slot,char **argv)
|
|
{
|
|
char *a;
|
|
int val;
|
|
|
|
lcp_wantoptions[slot].neg_cbcp = 1;
|
|
cbcp_protent.enabled_flag = 1;
|
|
/* change this: CBCP slot != LCP slot !!*/
|
|
if( (a = strchr(*argv,',')) ) {
|
|
lcp_wantoptions[slot].cbcp.message = strdup(a+1);
|
|
lcp_wantoptions[slot].cbcp.mlen = strlen(a+1);
|
|
}
|
|
else {
|
|
lcp_wantoptions[slot].cbcp.message = "";
|
|
lcp_wantoptions[slot].cbcp.mlen = 0;
|
|
}
|
|
val = atoi(*argv);
|
|
if(val & ~0xff) {
|
|
fprintf(stderr,"illegal callback option %d\n",val);
|
|
lcp_wantoptions[slot].cbcp.type = 0;
|
|
return 0;
|
|
}
|
|
lcp_wantoptions[slot].cbcp.type = val & 0xff;
|
|
return 1;
|
|
}
|
|
|
|
|
|
/*
|
|
* nopcomp - Disable Protocol field compression negotiation.
|
|
*/
|
|
static int nopcomp(int slot)
|
|
{
|
|
lcp_wantoptions[slot].neg_pcompression = 0;
|
|
lcp_allowoptions[slot].neg_pcompression = 0;
|
|
return (1);
|
|
}
|
|
|
|
|
|
/*
|
|
* setpassive - Set passive mode (don't give up if we time out sending
|
|
* LCP configure-requests).
|
|
*/
|
|
static int setpassive(int slot)
|
|
{
|
|
lcp_wantoptions[slot].passive = 1;
|
|
return (1);
|
|
}
|
|
|
|
|
|
/*
|
|
* setsilent - Set silent mode (don't start sending LCP configure-requests
|
|
* until we get one from the peer).
|
|
*/
|
|
static int setsilent(int slot)
|
|
{
|
|
lcp_wantoptions[slot].silent = 1;
|
|
return 1;
|
|
}
|
|
|
|
|
|
/*
|
|
* nopap - Disable PAP authentication with peer.
|
|
*/
|
|
static int nopap(int slot)
|
|
{
|
|
lcp_allowoptions[slot].neg_upap = 0;
|
|
refuse_pap = 1;
|
|
return (1);
|
|
}
|
|
|
|
|
|
/*
|
|
* reqpap - Require PAP authentication from peer.
|
|
*/
|
|
static int reqpap(int slot)
|
|
{
|
|
lcp_wantoptions[slot].neg_upap = 1;
|
|
setauth(slot);
|
|
return 1;
|
|
}
|
|
|
|
static int setmp(int slot)
|
|
{
|
|
lcp_allowoptions[slot].neg_mpmrru = 1;
|
|
lcp_wantoptions[slot].neg_mpmrru = 1;
|
|
lcp_wantoptions[slot].neg_mpdiscr = 1;
|
|
return 1;
|
|
}
|
|
|
|
static int setpwlog(int slot)
|
|
{
|
|
log_raw_password = 1;
|
|
return 1;
|
|
}
|
|
|
|
static int setusefirstip(int slot)
|
|
{
|
|
usefirstip = 1;
|
|
return 1;
|
|
}
|
|
|
|
static int setuseifip(int slot)
|
|
{
|
|
useifip = 1;
|
|
return 1;
|
|
}
|
|
|
|
static int setifmtu(int slot)
|
|
{
|
|
useifmtu = 1;
|
|
return 1;
|
|
}
|
|
|
|
#if OLD_OPTIONS
|
|
/*
|
|
* setupapfile - specifies UPAP info for authenticating with peer.
|
|
*/
|
|
static int setupapfile(int slot,char **argv)
|
|
{
|
|
FILE * ufile;
|
|
int l;
|
|
|
|
lcp_allowoptions[slot].neg_upap = 1;
|
|
|
|
/* open user info file */
|
|
if ((ufile = fopen(*argv, "r")) == NULL) {
|
|
fprintf(stderr, "unable to open user login data file %s\n", *argv);
|
|
return 0;
|
|
}
|
|
if (!readable(fileno(ufile))) {
|
|
fprintf(stderr, "%s: access denied\n", *argv);
|
|
return 0;
|
|
}
|
|
check_access(ufile, *argv);
|
|
|
|
/* get username */
|
|
if (fgets(user, MAXNAMELEN - 1, ufile) == NULL
|
|
|| fgets(passwd, MAXSECRETLEN - 1, ufile) == NULL){
|
|
fprintf(stderr, "Unable to read user login data file %s.\n", *argv);
|
|
return 0;
|
|
}
|
|
fclose(ufile);
|
|
|
|
/* get rid of newlines */
|
|
l = strlen(user);
|
|
if (l > 0 && user[l-1] == '\n')
|
|
user[l-1] = 0;
|
|
l = strlen(passwd);
|
|
if (l > 0 && passwd[l-1] == '\n')
|
|
passwd[l-1] = 0;
|
|
|
|
return (1);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* nochap - Disable CHAP authentication with peer.
|
|
*/
|
|
static int nochap(int slot)
|
|
{
|
|
lcp_allowoptions[slot].neg_chap = 0;
|
|
refuse_chap = 1;
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* reqchap - Require CHAP authentication from peer.
|
|
*/
|
|
static int reqchap(int slot)
|
|
{
|
|
lcp_wantoptions[slot].neg_chap = 1;
|
|
setauth(slot);
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* setnovj - disable vj compression
|
|
*/
|
|
static int setnovj(int slot)
|
|
{
|
|
ipcp_wantoptions[slot].neg_vj = 0;
|
|
ipcp_allowoptions[slot].neg_vj = 0;
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* setnovjccomp - disable VJ connection-ID compression
|
|
*/
|
|
static int setnovjccomp(int slot)
|
|
{
|
|
ipcp_wantoptions[slot].cflag = 0;
|
|
ipcp_allowoptions[slot].cflag = 0;
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* setvjslots - set maximum number of connection slots for VJ compression
|
|
*/
|
|
static int setvjslots(int slot,char **argv)
|
|
{
|
|
int value;
|
|
|
|
if (!int_option(*argv, &value))
|
|
return 0;
|
|
if (value < 2 || value > 16) {
|
|
fprintf(stderr, "ipppd: vj-max-slots value must be between 2 and 16\n");
|
|
return 0;
|
|
}
|
|
ipcp_wantoptions[slot].maxslotindex =
|
|
ipcp_allowoptions[slot].maxslotindex = value - 1;
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* setdomain - Set domain name to append to hostname
|
|
*/
|
|
static int setdomain(int slot,char **argv)
|
|
{
|
|
gethostname(hostname, MAXNAMELEN);
|
|
if (**argv != 0) {
|
|
if (**argv != '.')
|
|
strncat(hostname, ".", MAXNAMELEN - strlen(hostname));
|
|
strncat(hostname, *argv, MAXNAMELEN - strlen(hostname));
|
|
}
|
|
hostname[MAXNAMELEN-1] = 0;
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* setdevname - Set the device name.
|
|
*/
|
|
static int setdevname(char *cp,int nd)
|
|
{
|
|
struct stat statbuf;
|
|
char *ttyname();
|
|
char dev[MAXPATHLEN];
|
|
|
|
if (strncmp("/dev/", cp, 5) != 0) {
|
|
strcpy(dev, "/dev/");
|
|
strncat(dev, cp, MAXPATHLEN - 5);
|
|
dev[MAXPATHLEN-1] = 0;
|
|
cp = dev;
|
|
}
|
|
|
|
/*
|
|
* Check if there is a device by this name.
|
|
*/
|
|
if (stat(cp, &statbuf) < 0) {
|
|
if (errno == ENOENT)
|
|
return 0;
|
|
syslog(LOG_ERR, cp);
|
|
return -1;
|
|
}
|
|
|
|
(void) strncpy(lns[nd].devnam, cp, MAXPATHLEN);
|
|
lns[nd].devnam[MAXPATHLEN-1] = 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* setipaddr - Set the IP address
|
|
*/
|
|
static int setipaddr(int slot,char *arg)
|
|
{
|
|
struct hostent *hp;
|
|
char *colon;
|
|
u_int32_t local, remote;
|
|
ipcp_options *wo = &ipcp_wantoptions[slot];
|
|
|
|
local = 0 ;
|
|
remote = 0 ;
|
|
|
|
/*
|
|
* IP address pair separated by ":".
|
|
*/
|
|
if ((colon = strchr(arg, ':')) == NULL)
|
|
return 0;
|
|
|
|
#ifdef ISDN4LINUX_PATCH
|
|
if(strlen(arg) == 1)
|
|
fprintf(stderr,"OK .. getting address from interface\n");
|
|
#endif
|
|
|
|
/*
|
|
* If colon first character, then no local addr.
|
|
*/
|
|
if (colon != arg) {
|
|
*colon = '\0';
|
|
if ((local = inet_addr(arg)) == -1) {
|
|
if ((hp = gethostbyname(arg)) == NULL) {
|
|
fprintf(stderr, "unknown host: %s\n", arg);
|
|
return -1;
|
|
} else {
|
|
local = *(u_int32_t *)hp->h_addr;
|
|
if (our_name[0] == 0) {
|
|
strncpy(our_name, arg, MAXNAMELEN);
|
|
our_name[MAXNAMELEN-1] = 0;
|
|
}
|
|
}
|
|
}
|
|
if (bad_ip_adrs(local)) {
|
|
fprintf(stderr, "bad local IP address %s\n", ip_ntoa(local));
|
|
return -1;
|
|
}
|
|
if (local != 0)
|
|
{
|
|
wo->ouraddr = local;
|
|
#ifdef RADIUS
|
|
default_ouraddr = local ;
|
|
#endif
|
|
}
|
|
*colon = ':';
|
|
}
|
|
|
|
/*
|
|
* If colon last character, then no remote addr.
|
|
*/
|
|
if (*++colon != '\0') {
|
|
if ((remote = inet_addr(colon)) == -1) {
|
|
if ((hp = gethostbyname(colon)) == NULL) {
|
|
fprintf(stderr, "unknown host: %s\n", colon);
|
|
return -1;
|
|
} else {
|
|
remote = *(u_int32_t *)hp->h_addr;
|
|
if (remote_name[0] == 0) {
|
|
strncpy(remote_name, colon, MAXNAMELEN);
|
|
remote_name[MAXNAMELEN-1] = 0;
|
|
}
|
|
}
|
|
}
|
|
if (bad_ip_adrs(remote)) {
|
|
fprintf(stderr, "bad remote IP address %s\n", ip_ntoa(remote));
|
|
return -1;
|
|
}
|
|
if (remote != 0)
|
|
{
|
|
wo->hisaddr = remote;
|
|
#ifdef RADIUS
|
|
default_hisaddr = remote ;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* setnoipdflt - disable setipdefault()
|
|
*/
|
|
static int setnoipdflt(int slot)
|
|
{
|
|
disable_defaultip = 1;
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* setipcpaccl - accept peer's idea of our address
|
|
*/
|
|
static int setipcpaccl(int slot)
|
|
{
|
|
ipcp_wantoptions[slot].accept_local = 1;
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* setipcpaccr - accept peer's idea of its address
|
|
*/
|
|
static int setipcpaccr(int slot)
|
|
{
|
|
ipcp_wantoptions[slot].accept_remote = 1;
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* setipdefault - default our local IP address based on our hostname.
|
|
*/
|
|
void setipdefault(void)
|
|
{
|
|
struct hostent *hp;
|
|
u_int32_t local;
|
|
int i;
|
|
|
|
for(i=0;i<numdev;i++) {
|
|
ipcp_options *wo = &ipcp_wantoptions[i];
|
|
/*
|
|
* If local IP address already given, don't bother.
|
|
*/
|
|
if (wo->ouraddr != 0 || disable_defaultip)
|
|
return;
|
|
|
|
/*
|
|
* Look up our hostname (possibly with domain name appended)
|
|
* and take the first IP address as our local IP address.
|
|
* If there isn't an IP address for our hostname, too bad.
|
|
*/
|
|
wo->accept_local = 1; /* don't insist on this default value */
|
|
if ((hp = gethostbyname(hostname)) == NULL)
|
|
return;
|
|
local = *(u_int32_t *)hp->h_addr;
|
|
if (local != 0 && !bad_ip_adrs(local))
|
|
wo->ouraddr = local;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* setnetmask - set the netmask to be used on the interface.
|
|
*/
|
|
static int setnetmask(int slot,char **argv)
|
|
{
|
|
u_int32_t mask;
|
|
|
|
if (strcmp(*argv, "255.255.255.255") == 0) {
|
|
netmask = 0xffffffff;
|
|
#ifdef RADIUS
|
|
default_netmask = netmask ;
|
|
#endif
|
|
return 1;
|
|
}
|
|
|
|
if ((mask = inet_addr(*argv)) == -1 || (netmask & ~mask) != 0) {
|
|
fprintf(stderr, "Invalid netmask %s\n", *argv);
|
|
return 0;
|
|
}
|
|
|
|
netmask = mask;
|
|
#ifdef RADIUS
|
|
default_netmask = netmask ;
|
|
#endif
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* setmaxconnect - Set the maximum connect time
|
|
*/
|
|
static int setmaxconnect(int slot,char **argv)
|
|
{
|
|
int value;
|
|
|
|
if (!int_option(*argv, &value))
|
|
return 0;
|
|
if (value < 0) {
|
|
option_error("maxconnect time must be positive");
|
|
return 0;
|
|
}
|
|
if (maxconnect > 0 && (value == 0 || value > maxconnect)) {
|
|
option_error("maxconnect time cannot be increased");
|
|
return 0;
|
|
}
|
|
maxconnect = value;
|
|
return 1;
|
|
}
|
|
|
|
|
|
#ifdef INCLUDE_OBSOLETE_FEATURES
|
|
/*
|
|
* setspeed - Set the speed.
|
|
*/
|
|
static int setspeed(int slot,char *arg)
|
|
{
|
|
char *ptr;
|
|
int spd;
|
|
|
|
spd = strtol(arg, &ptr, 0);
|
|
if (ptr == arg || *ptr != 0 || spd == 0)
|
|
return 0;
|
|
inspeed = spd;
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* setasyncmap - add bits to asyncmap (what we request peer to escape).
|
|
*/
|
|
static int setasyncmap(int slot,char **argv)
|
|
{
|
|
u_int32_t asyncmap;
|
|
|
|
if (!number_option(*argv, &asyncmap, 16))
|
|
return 0;
|
|
lcp_wantoptions[slot].asyncmap |= asyncmap;
|
|
lcp_wantoptions[slot].neg_asyncmap = 1;
|
|
return(1);
|
|
}
|
|
|
|
/*
|
|
* setescape - add chars to the set we escape on transmission.
|
|
*/
|
|
static int setescape(int slot,char **argv)
|
|
{
|
|
int n, ret;
|
|
char *p, *endp;
|
|
|
|
p = *argv;
|
|
ret = 1;
|
|
while (*p) {
|
|
n = strtol(p, &endp, 16);
|
|
if (p == endp) {
|
|
fprintf(stderr, "%s: invalid hex number: %s\n", progname, p);
|
|
return 0;
|
|
}
|
|
p = endp;
|
|
if (n < 0 || (0x20 <= n && n <= 0x3F) || n == 0x5E || n > 0xFF) {
|
|
fprintf(stderr, "%s: can't escape character 0x%x\n", progname, n);
|
|
ret = 0;
|
|
} else
|
|
xmit_accm[slot][n >> 5] |= 1 << (n & 0x1F);
|
|
while (*p == ',' || *p == ' ')
|
|
++p;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* noasyncmap - Disable async map negotiation.
|
|
*/
|
|
static int noasyncmap(int slot)
|
|
{
|
|
lcp_wantoptions[slot].neg_asyncmap = 0;
|
|
lcp_allowoptions[slot].neg_asyncmap = 0;
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* setconnector - Set a program to connect to a serial line
|
|
*/
|
|
static int setconnector(int slot,char **argv)
|
|
{
|
|
connector = strdup(*argv);
|
|
if (connector == NULL)
|
|
novm("connector string");
|
|
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* setdisconnector - Set a program to disconnect from the serial line
|
|
*/
|
|
static int setdisconnector(int slot,char **argv)
|
|
{
|
|
disconnector = strdup(*argv);
|
|
if (disconnector == NULL)
|
|
novm("disconnector string");
|
|
|
|
return (1);
|
|
}
|
|
|
|
static int setmodem(int slot)
|
|
{
|
|
modem = 1;
|
|
return 1;
|
|
}
|
|
|
|
static int setcrtscts(int slot)
|
|
{
|
|
crtscts = 1;
|
|
return (1);
|
|
}
|
|
|
|
static int setnocrtscts(int slot)
|
|
{
|
|
crtscts = -1;
|
|
return (1);
|
|
}
|
|
|
|
static int setxonxoff(int slot)
|
|
{
|
|
lcp_wantoptions[slot].asyncmap |= 0x000A0000; /* escape ^S and ^Q */
|
|
lcp_wantoptions[slot].neg_asyncmap = 1;
|
|
|
|
crtscts = 2;
|
|
return (1);
|
|
}
|
|
|
|
static int setlocal(int slot)
|
|
{
|
|
modem = 0;
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
static int setnodetach(int slot)
|
|
{
|
|
nodetach = 1;
|
|
return (1);
|
|
}
|
|
|
|
static int setlock(int slot)
|
|
{
|
|
lockflag = 1;
|
|
return 1;
|
|
}
|
|
|
|
static int setusehostname(int slot)
|
|
{
|
|
usehostname = 1;
|
|
return 1;
|
|
}
|
|
|
|
static int setname(int slot,char **argv)
|
|
{
|
|
if (our_name[0] == 0) {
|
|
strncpy(our_name, argv[0], MAXNAMELEN);
|
|
our_name[MAXNAMELEN-1] = 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int setuser(int slot,char **argv)
|
|
{
|
|
strncpy(user, argv[0], MAXNAMELEN);
|
|
user[MAXNAMELEN-1] = 0;
|
|
#ifdef RADIUS
|
|
strncpy(radius_user, make_username_realm (argv[0]), MAXNAMELEN);
|
|
radius_user[MAXNAMELEN-1] = 0;
|
|
#endif
|
|
return 1;
|
|
}
|
|
|
|
static int setremote(int slot,char **argv)
|
|
{
|
|
strncpy(remote_name, argv[0], MAXNAMELEN);
|
|
remote_name[MAXNAMELEN-1] = 0;
|
|
return 1;
|
|
}
|
|
|
|
static int setauth(int slot)
|
|
{
|
|
auth_required = 1;
|
|
return 1;
|
|
}
|
|
|
|
static int setnoauth(int slot)
|
|
{
|
|
auth_required = 0;
|
|
return 1;
|
|
}
|
|
|
|
|
|
static int setdefaultroute(int slot)
|
|
{
|
|
if (!ipcp_allowoptions[slot].default_route) {
|
|
fprintf(stderr, "%s: defaultroute option is disabled\n", progname);
|
|
return 0;
|
|
}
|
|
ipcp_wantoptions[slot].default_route = 1;
|
|
return 1;
|
|
}
|
|
|
|
static int setnodefaultroute(int slot)
|
|
{
|
|
ipcp_allowoptions[slot].default_route = 0;
|
|
ipcp_wantoptions[slot].default_route = 0;
|
|
return 1;
|
|
}
|
|
|
|
static int setproxyarp(int slot)
|
|
{
|
|
if (!ipcp_allowoptions[slot].proxy_arp) {
|
|
fprintf(stderr, "%s: proxyarp option is disabled\n", progname);
|
|
return 0;
|
|
}
|
|
ipcp_wantoptions[slot].proxy_arp = 1;
|
|
return 1;
|
|
}
|
|
|
|
static int setnoproxyarp(int slot)
|
|
{
|
|
ipcp_wantoptions[slot].proxy_arp = 0;
|
|
ipcp_allowoptions[slot].proxy_arp = 0;
|
|
return 1;
|
|
}
|
|
|
|
static int setdologin(int slot)
|
|
{
|
|
uselogin = 1;
|
|
return 1;
|
|
}
|
|
|
|
#ifdef RADIUS
|
|
static int setdoradius(slot)
|
|
int slot ;
|
|
{
|
|
static char *func = "setdoradius" ;
|
|
useradius = 1;
|
|
if(!called_radius_init)
|
|
{
|
|
if ( (radius_init() < 0))
|
|
{
|
|
syslog(LOG_WARNING, "can't init radiusclient in %s", func);
|
|
die (1) ;
|
|
}
|
|
else
|
|
{
|
|
called_radius_init = 1 ;
|
|
auth_order = rc_conf_int("auth_order");
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int setdoradacct(slot)
|
|
int slot ;
|
|
{
|
|
static char *func = "setdoradacct" ;
|
|
useradacct = 1;
|
|
if(!called_radius_init)
|
|
{
|
|
if ( (radius_init() < 0))
|
|
{
|
|
syslog(LOG_WARNING, "can't init radiusclient in %s", func);
|
|
die (1) ;
|
|
}
|
|
else
|
|
{
|
|
called_radius_init = 1 ;
|
|
auth_order = rc_conf_int("auth_order");
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Functions to set the echo interval for modem-less monitors
|
|
*/
|
|
|
|
static int setlcpechointv(int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &lcp_echo_interval);
|
|
}
|
|
|
|
static int setlcpechofails(int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &lcp_echo_fails);
|
|
}
|
|
|
|
/*
|
|
* Functions to set timeouts, max transmits, etc.
|
|
*/
|
|
static int setlcptimeout(int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &lcp_fsm[slot].timeouttime);
|
|
}
|
|
|
|
static int setlcpterm(int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &lcp_fsm[slot].maxtermtransmits);
|
|
}
|
|
|
|
static int setlcpconf(int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &lcp_fsm[slot].maxconfreqtransmits);
|
|
}
|
|
|
|
static int setlcpfails(int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &lcp_fsm[slot].maxnakloops);
|
|
}
|
|
|
|
static int setipcptimeout(int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &ipcp_fsm[slot].timeouttime);
|
|
}
|
|
|
|
static int setipcpterm(int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &ipcp_fsm[slot].maxtermtransmits);
|
|
}
|
|
|
|
static int setipcpconf(int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &ipcp_fsm[slot].maxconfreqtransmits);
|
|
}
|
|
|
|
static int setipcpfails(int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &lcp_fsm[slot].maxnakloops);
|
|
}
|
|
|
|
static int setpaptimeout(int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &upap[slot].us_timeouttime);
|
|
}
|
|
|
|
static int setpapreqtime(int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &upap[slot].us_reqtimeout);
|
|
}
|
|
|
|
static int setpapreqs(int slot, char **argv)
|
|
{
|
|
return int_option(*argv, &upap[slot].us_maxtransmits);
|
|
}
|
|
|
|
static int setchaptimeout(int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &chap[slot].timeouttime);
|
|
}
|
|
|
|
static int setchapchal(int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &chap[slot].max_transmits);
|
|
}
|
|
|
|
static int setchapintv(int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &chap[slot].chal_interval);
|
|
}
|
|
|
|
static int noccp(int slot)
|
|
{
|
|
ccp_protent.enabled_flag = 0;
|
|
return 1;
|
|
}
|
|
|
|
|
|
static int setbsdcomp(int slot,char **argv)
|
|
{
|
|
int rbits, abits;
|
|
char *str, *endp;
|
|
|
|
str = *argv;
|
|
abits = rbits = strtol(str, &endp, 0);
|
|
if (endp != str && *endp == ',') {
|
|
str = endp + 1;
|
|
abits = strtol(str, &endp, 0);
|
|
}
|
|
if (*endp != 0 || endp == str) {
|
|
fprintf(stderr, "%s: invalid argument format for bsdcomp option\n",
|
|
progname);
|
|
return 0;
|
|
}
|
|
if ( (rbits != 0 && (rbits < BSD_MIN_BITS || rbits > BSD_MAX_BITS))
|
|
|| (abits != 0 && (abits < BSD_MIN_BITS || abits > BSD_MAX_BITS))) {
|
|
fprintf(stderr, "%s: bsdcomp option values must be 0 or %d .. %d\n",
|
|
progname, BSD_MIN_BITS, BSD_MAX_BITS);
|
|
return 0;
|
|
}
|
|
|
|
fprintf(stderr,"BsdComp: %d %d\n",rbits,abits);
|
|
|
|
if (rbits > 0) {
|
|
ccp_wantoptions[slot].bsd_compress = 1;
|
|
ccp_wantoptions[slot].bsd_bits = rbits;
|
|
} else
|
|
ccp_wantoptions[slot].bsd_compress = 0;
|
|
if (abits > 0) {
|
|
ccp_allowoptions[slot].bsd_compress = 1;
|
|
ccp_allowoptions[slot].bsd_bits = abits;
|
|
} else
|
|
ccp_allowoptions[slot].bsd_compress = 0;
|
|
return 1;
|
|
}
|
|
|
|
static int setnobsdcomp(int slot)
|
|
{
|
|
ccp_wantoptions[slot].bsd_compress = 0;
|
|
ccp_allowoptions[slot].bsd_compress = 0;
|
|
return 1;
|
|
}
|
|
|
|
static int setlzs(int ccp_slot,char ** argv)
|
|
{
|
|
int rhists, rcmode, xhists, xcmode;
|
|
char *str, *endp;
|
|
|
|
rhists = LZS_DECOMP_DEF_HISTS;
|
|
xhists = LZS_COMP_DEF_HISTS;
|
|
rcmode = xcmode = LZS_CMODE_SEQNO;
|
|
|
|
str = *argv;
|
|
rhists = xhists = strtol(str, &endp, 0);
|
|
if (endp != str) {
|
|
if(*endp == ':') {
|
|
str = endp + 1;
|
|
rcmode = xcmode = strtol(str, &endp, 0);
|
|
}
|
|
if(endp != str) {
|
|
if(*endp == ',') {
|
|
str = endp + 1;
|
|
xhists = strtol(str, &endp, 0);
|
|
}
|
|
if(endp != str) {
|
|
if(*endp == ':') {
|
|
str = endp + 1;
|
|
xcmode = strtol(str, &endp, 0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (*endp != 0 || endp == str) {
|
|
option_error("invalid parameter '%s' for lzs option", *argv);
|
|
return 0;
|
|
}
|
|
if(rhists < 0 || rhists > LZS_DECOMP_MAX_HISTS) {
|
|
option_error("lzs recv hists must be 0 .. %d", LZS_DECOMP_MAX_HISTS);
|
|
return 0;
|
|
}
|
|
if(xhists < 0 || xhists > LZS_COMP_MAX_HISTS) {
|
|
option_error("lzs xmit hists must be 0 .. %d", LZS_COMP_MAX_HISTS);
|
|
return 0;
|
|
}
|
|
if(rcmode < 0 || rcmode > 4) {
|
|
option_error("lzs recv check mode %d unknown", rcmode);
|
|
return 0;
|
|
}
|
|
if(xcmode < 0 || xcmode > 4) {
|
|
option_error("lzs xmit check mode %d unknown", xcmode);
|
|
return 0;
|
|
}
|
|
|
|
fprintf(stderr, "LZS: recv hists %d check %d xmit hists %d check %d\n",
|
|
rhists, rcmode, xhists, xcmode);
|
|
|
|
ccp_wantoptions[ccp_slot].lzs = 1;
|
|
ccp_wantoptions[ccp_slot].lzs_hists = rhists;
|
|
ccp_wantoptions[ccp_slot].lzs_cmode = rcmode;
|
|
|
|
ccp_allowoptions[ccp_slot].lzs = 1;
|
|
ccp_allowoptions[ccp_slot].lzs_hists = xhists;
|
|
ccp_allowoptions[ccp_slot].lzs_cmode = xcmode;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int setnolzs(int ccp_slot)
|
|
{
|
|
ccp_wantoptions[ccp_slot].lzs = 0;
|
|
ccp_allowoptions[ccp_slot].lzs = 0;
|
|
return 1;
|
|
}
|
|
|
|
static int setdeflate(int ccp_slot,char ** argv)
|
|
{
|
|
int rbits, abits;
|
|
char *str, *endp;
|
|
|
|
str = *argv;
|
|
abits = rbits = strtol(str, &endp, 0);
|
|
if (endp != str && *endp == ',') {
|
|
str = endp + 1;
|
|
abits = strtol(str, &endp, 0);
|
|
}
|
|
if (*endp != 0 || endp == str) {
|
|
option_error("invalid parameter '%s' for deflate option", *argv);
|
|
return 0;
|
|
}
|
|
if ( (rbits != 0 && (rbits < DEFLATE_MIN_SIZE || rbits > DEFLATE_MAX_SIZE))
|
|
|| (abits != 0 && (abits < DEFLATE_MIN_SIZE || abits > DEFLATE_MAX_SIZE))) {
|
|
option_error("deflate option values must be 0 or %d .. %d",
|
|
DEFLATE_MIN_SIZE, DEFLATE_MAX_SIZE);
|
|
return 0;
|
|
}
|
|
if (rbits > 0) {
|
|
ccp_wantoptions[ccp_slot].deflate = 1;
|
|
ccp_wantoptions[ccp_slot].deflate_size = rbits;
|
|
} else
|
|
ccp_wantoptions[ccp_slot].deflate = 0;
|
|
if (abits > 0) {
|
|
ccp_allowoptions[ccp_slot].deflate = 1;
|
|
ccp_allowoptions[ccp_slot].deflate_size = abits;
|
|
} else
|
|
ccp_allowoptions[ccp_slot].deflate = 0;
|
|
return 1;
|
|
}
|
|
|
|
static int setnodeflate(int ccp_slot)
|
|
{
|
|
ccp_wantoptions[ccp_slot].deflate = 0;
|
|
ccp_allowoptions[ccp_slot].deflate = 0;
|
|
return 1;
|
|
}
|
|
|
|
static int setpred1comp(int slot)
|
|
{
|
|
ccp_wantoptions[slot].predictor_1 = 1;
|
|
ccp_allowoptions[slot].predictor_1 = 1;
|
|
return 1;
|
|
}
|
|
|
|
static int setnopred1comp(int slot)
|
|
{
|
|
ccp_wantoptions[slot].predictor_1 = 0;
|
|
ccp_allowoptions[slot].predictor_1 = 0;
|
|
return 1;
|
|
}
|
|
|
|
static int setipparam(int slot,char **argv)
|
|
{
|
|
ipparam = strdup(*argv);
|
|
if (ipparam == NULL)
|
|
novm("ipparam string");
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int setpapcrypt(int slot)
|
|
{
|
|
cryptpap = 1;
|
|
return 1;
|
|
}
|
|
|
|
static int setidle (int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &idle_time_limit);
|
|
#ifdef RADIUS
|
|
default_idle_time_limit = idle_time_limit ;
|
|
#endif
|
|
}
|
|
|
|
#ifdef RADIUS
|
|
static int setsessionlimit (slot, argv)
|
|
int slot ;
|
|
char **argv;
|
|
{
|
|
return int_option(*argv, &session_time_limit);
|
|
default_session_time_limit = session_time_limit ;
|
|
}
|
|
#endif
|
|
|
|
static int sethostroute(int slot)
|
|
{
|
|
hostroute = 1;
|
|
return 1;
|
|
}
|
|
|
|
static int setnohostroute(int slot)
|
|
{
|
|
hostroute = 0;
|
|
return 1;
|
|
}
|
|
|
|
static int setholdoff(int slot, char **argv)
|
|
{
|
|
return int_option(*argv, &holdoff);
|
|
}
|
|
|
|
/*
|
|
* setdnsaddr - set the dns address(es)
|
|
*/
|
|
static int setdnsaddr(int ipcp_slot,char **argv)
|
|
{
|
|
u_int32_t dns;
|
|
struct hostent *hp;
|
|
|
|
dns = inet_addr(*argv);
|
|
if (dns == -1) {
|
|
if ((hp = gethostbyname(*argv)) == NULL) {
|
|
option_error("invalid address parameter '%s' for ms-dns option",
|
|
*argv);
|
|
return 0;
|
|
}
|
|
dns = *(u_int32_t *)hp->h_addr;
|
|
}
|
|
|
|
if (ipcp_allowoptions[ipcp_slot].dnsaddr[0] == 0) {
|
|
ipcp_allowoptions[ipcp_slot].dnsaddr[0] = dns;
|
|
} else {
|
|
ipcp_allowoptions[ipcp_slot].dnsaddr[1] = dns;
|
|
}
|
|
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* setwinsaddr - set the wins address(es)
|
|
*/
|
|
static int setwinsaddr(int ipcp_slot,char **argv)
|
|
{
|
|
u_int32_t wins;
|
|
struct hostent *hp;
|
|
|
|
wins = inet_addr(*argv);
|
|
if (wins == -1) {
|
|
if ((hp = gethostbyname(*argv)) == NULL) {
|
|
option_error("invalid address parameter '%s' for ms-wins option",
|
|
*argv);
|
|
return 0;
|
|
}
|
|
wins = *(u_int32_t *)hp->h_addr;
|
|
}
|
|
|
|
if (ipcp_allowoptions[ipcp_slot].winsaddr[0] == 0) {
|
|
ipcp_allowoptions[ipcp_slot].winsaddr[0] = wins;
|
|
} else {
|
|
ipcp_allowoptions[ipcp_slot].winsaddr[1] = wins;
|
|
}
|
|
|
|
return (1);
|
|
}
|
|
|
|
static int setipxrouter (int slot,char **argv)
|
|
{
|
|
char *val,arg[1024],*endp;
|
|
int num = 0;
|
|
|
|
ipxcp_wantoptions[slot].neg_router = 1;
|
|
ipxcp_allowoptions[slot].neg_router = 1;
|
|
ipxcp_allowoptions[slot].num_router = 0;
|
|
ipxcp_wantoptions[slot].num_router = 0;
|
|
|
|
strncpy(arg,argv[0],1023);
|
|
val = strtok(arg,",");
|
|
while(val) {
|
|
ipxcp_wantoptions[slot].router[num] = strtol(val,&endp,10);
|
|
if(*endp)
|
|
return 0;
|
|
num++;
|
|
if(num == 32)
|
|
break;
|
|
}
|
|
|
|
ipxcp_wantoptions[slot].num_router = num;
|
|
return 1;
|
|
}
|
|
|
|
static int setipxname (int slot,char **argv)
|
|
{
|
|
char *dest = ipxcp_wantoptions[slot].name;
|
|
char *src = *argv;
|
|
int count;
|
|
char ch;
|
|
|
|
ipxcp_wantoptions[slot].neg_name = 1;
|
|
ipxcp_allowoptions[slot].neg_name = 1;
|
|
memset (dest, '\0', sizeof (ipxcp_wantoptions[slot].name));
|
|
|
|
count = 0;
|
|
while (*src) {
|
|
ch = *src++;
|
|
if (! isalnum (ch) && ch != '_') {
|
|
fprintf (stderr,
|
|
"%s: IPX router name must be alphanumeric or _\n",
|
|
progname);
|
|
return 0;
|
|
}
|
|
|
|
if (count >= sizeof (ipxcp_wantoptions[slot].name)) {
|
|
fprintf (stderr,
|
|
"%s: IPX router name is limited to %d characters\n",
|
|
progname,
|
|
(int) sizeof (ipxcp_wantoptions[slot].name) - 1);
|
|
return 0;
|
|
}
|
|
|
|
dest[count++] = toupper (ch);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int setipxcptimeout(int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &ipxcp_fsm[slot].timeouttime);
|
|
}
|
|
|
|
static int setipxcpterm (int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &ipxcp_fsm[slot].maxtermtransmits);
|
|
}
|
|
|
|
static int setipxcpconf (int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &ipxcp_fsm[slot].maxconfreqtransmits);
|
|
}
|
|
|
|
static int setipxcpfails (int slot,char **argv)
|
|
{
|
|
return int_option(*argv, &ipxcp_fsm[slot].maxnakloops);
|
|
}
|
|
|
|
static int setipxnetwork(int slot,char **argv)
|
|
{
|
|
ipxcp_wantoptions[slot].neg_nn = 1;
|
|
return int_option(*argv, &ipxcp_wantoptions[slot].our_network);
|
|
}
|
|
|
|
static int setipxanet(int slot)
|
|
{
|
|
ipxcp_wantoptions[slot].accept_network = 1;
|
|
ipxcp_allowoptions[slot].accept_network = 1;
|
|
return 1;
|
|
}
|
|
|
|
static int setipxalcl(int slot)
|
|
{
|
|
ipxcp_wantoptions[slot].accept_local = 1;
|
|
ipxcp_allowoptions[slot].accept_local = 1;
|
|
return 1;
|
|
}
|
|
|
|
static int setipxarmt(int slot)
|
|
{
|
|
ipxcp_wantoptions[slot].accept_remote = 1;
|
|
ipxcp_allowoptions[slot].accept_remote = 1;
|
|
return 1;
|
|
}
|
|
|
|
static u_char *setipxnodevalue(u_char *src,u_char *dst)
|
|
{
|
|
int indx;
|
|
int item;
|
|
|
|
for (;;) {
|
|
if (!isxdigit (*src))
|
|
break;
|
|
|
|
for (indx = 0; indx < 5; ++indx) {
|
|
dst[indx] <<= 4;
|
|
dst[indx] |= (dst[indx + 1] >> 4) & 0x0F;
|
|
}
|
|
|
|
item = toupper (*src) - '0';
|
|
if (item > 9)
|
|
item -= 7;
|
|
|
|
dst[5] = (dst[5] << 4) | item;
|
|
++src;
|
|
}
|
|
return src;
|
|
}
|
|
|
|
static int setipxnode(int slot, char **argv)
|
|
{
|
|
char *end;
|
|
|
|
memset (&ipxcp_wantoptions[slot].our_node[0], 0, 6);
|
|
memset (&ipxcp_wantoptions[slot].his_node[0], 0, 6);
|
|
|
|
end = setipxnodevalue (*argv, &ipxcp_wantoptions[slot].our_node[0]);
|
|
if (*end == ':')
|
|
end = setipxnodevalue (++end, &ipxcp_wantoptions[slot].his_node[0]);
|
|
|
|
if (*end == '\0') {
|
|
ipxcp_wantoptions[slot].neg_node = 1;
|
|
return 1;
|
|
}
|
|
|
|
fprintf(stderr, "%s: invalid argument for ipx-node option\n",
|
|
progname);
|
|
return 0;
|
|
}
|
|
|
|
static int setipxproto(int slot)
|
|
{
|
|
ipxcp_protent.enabled_flag = 1;
|
|
return 1;
|
|
}
|
|
|
|
static int resetipxproto(int slot)
|
|
{
|
|
ipxcp_protent.enabled_flag = 1;
|
|
return 1;
|
|
}
|
|
|
|
static int setforcedriver(int dummy)
|
|
{
|
|
force_driver = 1;
|
|
}
|
|
|
|
|
|
|