/* * ipppd.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. * * $Id$ */ /* * TODO: */ #define ISDN4LINUX_PATCH #ifndef __IPPPD_H__ #define __IPPPD_H__ #include #include /* for MAXPATHLEN and BSD4_4, if defined */ #include /* for u_int32_t, if defined */ #include #if defined __GLIBC__ && __GLIBC__ >= 2 # include # include #else # include # include #endif #include #include #if defined __GLIBC__ && __GLIBC__ >= 2 # include #endif #include #if (LINUX_VERSION_CODE < ((0x020100)+88)) #define ISDN_PPP_COMP_MAX_OPTIONS 16 struct isdn_ppp_comp_data { int num; unsigned char options[ISDN_PPP_COMP_MAX_OPTIONS]; int optlen; int flags; }; #endif #ifndef PPP_LINK_CCP #define PPP_LINK_CCP 0x80fb #endif #ifndef IPPP_COMP_FLAG_XMIT #define IPPP_COMP_FLAG_XMIT 0x1 #endif #ifndef IPPP_COMP_FLAG_LINK #define IPPP_COMP_FLAG_LINK 0x2 #endif /* Old Linux Kernels don't have VERSION defined */ #ifndef IPPP_VERSION #define IPPP_VERSION "2.2.0" #else #define NEW_VERS #endif #define NUM_PPP 64 /* 64 PPP interface supported (per process) */ struct wordlist { struct wordlist *next; char word[1]; }; #ifdef RADIUS #define MAXUSERNAME 255 #define MAXSESSIONID 32 #define MAXCID 17 extern int useradius; /* Use RADIUS server for PAP authentication */ extern int useradacct; /* Use RADIUS server for accounting */ #endif struct link_struct { struct link_struct *bundle_next; int fd; /* link file descriptor */ int peer_mru; /* link: peer_mru */ int logged_in; int auth_pending; struct wordlist *addresses; int unit; /* link unit */ int master; /* 'master' link unit */ int lcp_unit; int ipcp_unit; int ccp_unit; int ccp_l_unit; int chap_unit; int upap_unit; int cbcp_unit; int ipxcp_unit; int phase; int auth_up_script; int kill_link; int open_ccp_flag; int ifunit; int openfails; char ifname[IFNAMSIZ]; char devnam[MAXPATHLEN]; char peer_authname[64]; int initfdflags; int hungup; struct pppcallinfo pci; int has_proxy_arp; int attempts; #ifdef RADIUS int radius_in ; int rx_bytes; int tx_bytes; time_t start_time; char session_id[MAXSESSIONID+1]; char remote_number [MAXCID+1] ; #endif }; extern struct link_struct lns[NUM_PPP]; /* * Limits. */ #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 */ /* * Global variables. */ extern char hostname[]; /* Our hostname */ extern u_char outpacket_buf[]; /* Buffer for outgoing packets */ extern int baud_rate; /* Current link speed in bits/sec */ extern char *progname; /* Name of this program */ extern char pidfilename[MAXPATHLEN]; extern void set_userip(char *ruser,int ruserlen); #ifdef RADIUS int radius_acct_start() ; int radius_acct_stop() ; #endif extern char options_rcsid[]; extern char auth_rcsid[]; extern char lcp_rcsid[]; extern char ipcp_rcsid[]; extern char ipxcp_rcsid[]; extern char cbcp_rcsid[]; extern char main_rcsid[]; extern char chap_rcsid[]; #ifdef USE_MSCHAP extern char chap_ms_rcsid[]; #endif extern char upap_rcsid[]; extern char ccp_rcsid[]; extern char fsm_rcsid[]; extern char magic_rcsid[]; extern char sys_rcsid[]; /* * Variables set by command-line options. */ extern int maxconnect; extern int usefirstip,useifip,useifmtu; extern int numdev; /* number of handled devices */ extern int debug; /* Debug flag */ extern int kdebugflag; /* Tell kernel to print debug messages */ extern int default_device; /* Using /dev/tty or equivalent */ extern int crtscts; /* Use hardware flow control */ extern int modem; /* Use modem control lines */ extern int inspeed; /* Input/Output speed requested */ extern u_int32_t netmask; /* IP netmask to set on interface */ extern int lockflag; /* Create lock file to lock the serial dev */ extern int nodetach; /* Don't detach from controlling tty */ extern char *connector; /* Script to establish physical link */ extern char *disconnector; /* Script to disestablish physical link */ extern char user[]; /* Username for PAP */ extern char passwd[]; /* Password for PAP */ extern int auth_required; /* Peer is required to authenticate */ extern int proxyarp; /* Set up proxy ARP entry for peer */ extern int persist; /* Reopen link after it goes down */ extern int uselogin; /* Use /etc/passwd for checking PAP */ extern int lcp_echo_interval; /* Interval between LCP echo-requests */ extern int lcp_echo_fails; /* Tolerance to unanswered echo-requests */ extern char our_name[]; /* Our name for authentication purposes */ extern char remote_name[]; /* Peer's name for authentication */ extern int usehostname; /* Use hostname for our_name */ extern int disable_defaultip; /* Don't use hostname for default IP adrs */ extern char *ipparam; /* Extra parameter for ip up/down scripts */ extern int cryptpap; /* Others' PAP passwords are encrypted */ #ifdef __linux__ extern int hostroute; /* Add a route to the host at the other end? */ #endif /* * Values for phase. */ #define PHASE_WAIT -1 #define PHASE_DEAD 0 #define PHASE_ESTABLISH 1 #define PHASE_AUTHENTICATE 2 #define PHASE_CALLBACK 3 #define PHASE_NETWORK 4 #define PHASE_TERMINATE 5 /* * The following struct gives the addresses of procedures to call * for a particular protocol. */ struct protent { u_short protocol; /* PPP protocol number */ void (*init) (int unit); void (*input) (int unit, u_char *pkt, int len); void (*protrej) (int unit); void (*lowerup) (int unit); void (*lowerdown) (int unit); void (*open) (int unit); void (*close) (int unit, char *reason); int (*printpkt) (u_char *pkt, int len, void (*printer) (void *, char *, ...), void *arg); void (*datainput) (int unit, u_char *pkt, int len); int enabled_flag; /* 0 iff protocol is disabled */ char *name; /* Text name of protocol */ void (*check_options) (void); int (*demand_conf) (int unit); int (*active_pkt) (u_char *pkt, int len); }; /* Table of pointers to supported protocols */ extern struct protent *protocols[]; /* * Prototypes. */ void quit(void); /* Cleanup and exit */ void timeout(void (*)(), caddr_t, int); /* Look-alike of kernel's timeout() */ void untimeout (void (*)(), caddr_t); /* Look-alike of kernel's untimeout() */ void demuxprotrej (int,u_short); /* Demultiplex a Protocol-Reject */ int check_passwd (int, char *, int, char *, int, char **, int *); /* Check peer-supplied username/password */ #ifdef RADIUS int radius_check_passwd (int, char *, int, char *, int, char **, int *); /* Check peer-supplied username/password */ #endif int get_secret (int, char *, char *, char *, int *, int); /* get "secret" for chap */ u_int32_t GetMask (u_int32_t); /* get netmask for address */ void die (int); void check_access (FILE *, char *); int ccp_getunit(int,int); int ipcp_getunit(int); int lcp_getunit(int); void ccp_freeunit(int); void ipcp_freeunit(int); void lcp_freeunit(int); char *ip_ntoa(u_int32_t); int bad_ip_adrs(u_int32_t); int getword(FILE *,char *,int *,char *); void print_string(char *p,int len,void (*printer)(void *,char *,...),void *arg); int auth_ip_addr(int unit,u_int32_t addr); void auth_peer_fail(int,int); void auth_withpeer_fail(int unit,int protocol); void auth_peer_success(int unit,int protocol); void auth_withpeer_success(int unit,int protocol); void link_required(int); void link_terminated(int); void link_down(int); void link_established(int unit); int device_script(char *program,int in,int out); void check_auth_options(void); void setipdefault(void); int options_from_file(char *filename,int must_exist,int check_prot,int slot); int options_for_tty(void); int options_from_user(void); int parse_args(int argc,char **argv); int run_program(char *prog,char **args,int must_exist,int tu); void establish_ppp (int); void calltimeout (void); struct timeval *timeleft (struct timeval *); void reap_kids (void); void cleanup (int, caddr_t,int); void close_fd (int); void die (int); void novm (char *); void log_packet (u_char *, int, char *,int); int set_kdebugflag (int requested_level,int tu); void sys_init(void); void note_debug_level (void); void output_ppp (int unit, unsigned char *p, int len); void wait_input (struct timeval *timo); int read_packet (unsigned char *buf,int tu); void ppp_send_config (int unit,int mtu,u_int32_t asyncmap,int pcomp,int accomp); void ppp_set_xaccm (int unit, ext_accm accm); void ppp_recv_config (int unit,int mru,u_int32_t asyncmap,int pcomp,int accomp); int ccp_test (int unit, u_char *opt_ptr, int opt_len, int for_transmit); int ccp_get_compressors(int ccp_unit,unsigned long *); void ccp_flags_set (int unit, int isopen, int isup); int ccp_fatal_error (int unit); int sifvjcomp (int unit, int vjcomp, int cidcomp, int maxcid); int sifup (int u); int sifdown (int u); int sifbundle(int,int); int sifaddr (int unit, int our_adr, int his_adr, int net_mask); int cifaddr (int unit, int our_adr, int his_adr); int sifdefaultroute (int unit, int gateway); int cifdefaultroute (int unit, int gateway); int sifproxyarp (int unit, u_int32_t his_adr); int cifproxyarp (int unit, u_int32_t his_adr); int sipxfaddr (int unit, u_int32_t network, unsigned char * node ); int cipxfaddr (int linkunit); int ppp_available(void); int logwtmputmp (int unit,char *line, char *name, char *host); int lock (char *dev); void unlock(void); void setifip(int); extern void enable_mp(int,int); void remove_sys_options(void); u_int32_t magic(void); int fmtmsg (char *, int, char *, ...); /* sprintf++ */ int vfmtmsg (char *, int, char *, va_list); /* vsprintf++ */ void option_error (char *fmt, ...); void usage (void); /* Print a usage message */ /* * 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 auth_req_info; extern struct option_info connector_info; extern struct option_info disconnector_info; extern struct option_info welcomer_info; extern struct option_info devnam_info; /* * 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)) #undef FALSE #define FALSE 0 #undef TRUE #define TRUE 1 /* * System dependent definitions for user-level 4.3BSD UNIX implementation. */ #define DEMUXPROTREJ(u, p) demuxprotrej(u, p) #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 EXIT(u) quit() #define PRINTMSG(m, l) { m[l] = '\0'; syslog(LOG_INFO, "Remote message: %s", m); } /* * MAKEHEADER - Add Header fields to a packet. */ #define MAKEHEADER(p, t) { \ PUTCHAR(PPP_ALLSTATIONS, p); \ PUTCHAR(PPP_UI, p); \ PUTSHORT(t, p); } #ifdef DEBUGALL #define DEBUGMAIN 1 #define DEBUGFSM 1 #define DEBUGLCP 1 #define DEBUGIPCP 1 #define DEBUGIPXCP 1 #define DEBUGUPAP 1 #define DEBUGCHAP 1 #endif #define DEBUGCHAP 1 #ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */ #if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUG) \ || defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \ || defined(DEBUGCHAP) || defined(DEBUGIPXCP) #define LOG_PPP LOG_LOCAL2 #else #define LOG_PPP LOG_DAEMON #endif #endif /* LOG_PPP */ #ifdef DEBUGMAIN #define MAINDEBUG(x) if (debug) syslog x #else #define MAINDEBUG(x) #endif #ifdef DEBUGFSM #define FSMDEBUG(x) if (debug) syslog x #else #define FSMDEBUG(x) #endif #ifdef DEBUGLCP #define LCPDEBUG(x) if (debug) syslog x #else #define LCPDEBUG(x) #endif #ifdef DEBUGIPCP #define IPCPDEBUG(x) if (debug) syslog x #else #define IPCPDEBUG(x) #endif #ifdef DEBUGIPXCP #define IPXCPDEBUG(x) if (debug) syslog x #else #define IPXCPDEBUG(x) #endif #ifdef DEBUGUPAP #define UPAPDEBUG(x) if (debug) syslog x #else #define UPAPDEBUG(x) #endif #ifdef DEBUGCHAP #define CHAPDEBUG(x) if (debug) syslog x #else #define CHAPDEBUG(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 /* __IPPP_H__ */