* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
- * $Id: pppd.h,v 1.36 1999/03/30 06:33:09 paulus Exp $
+ * $Id: pppd.h,v 1.51 2000/03/27 06:03:06 paulus Exp $
*/
/*
#include <sys/time.h> /* for struct timeval */
#include <net/ppp_defs.h>
-#if __STDC__
+#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
/*
#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_VAL(x) ((x) & OPT_VALUE)
unsigned int bytes_out;
};
+/* Used for storing a sequence of words. Usually malloced. */
+struct wordlist {
+ struct wordlist *next;
+ char *word;
+};
+
/*
* Global variables.
*/
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 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 */
+
+/* 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 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 *connector; /* Script to establish physical link */
-extern char *disconnector; /* Script to disestablish physical link */
+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 */
+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 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 */
#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
-char *current_option; /* the name of the option being parsed */
-int privileged_option; /* set iff the current option came from root */
-char *option_source; /* string saying where the option came from */
-
#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_DORMANT 2
-#define PHASE_ESTABLISH 3
-#define PHASE_AUTHENTICATE 4
-#define PHASE_CALLBACK 5
-#define PHASE_NETWORK 6
-#define PHASE_TERMINATE 7
-#define PHASE_HOLDOFF 8
+#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
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 demuxprotrej __P((int, int));
- /* Demultiplex a Protocol-Reject */
+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++ */
-void script_setenv __P((char *, char *)); /* set script env var */
-void script_unsetenv __P((char *)); /* unset script env var */
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 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_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 **, int *));
+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 */
/* Return link statistics */
int sifvjcomp __P((int, int, int, int));
/* Configure VJ TCP header compression */
-int sifup __P((int)); /* Configure i/f up (for IP) */
+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 IP) */
+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 IP addresses for i/f */
+ /* 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 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 daemon __P((int, int)); /* Detach us from terminal session */
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 */
/* 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 */
-void scan_args __P((int argc, char **argv));
- /* Look for tty name in command-line args */
+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
};
extern struct option_info devnam_info;
-extern struct option_info connector_info;
-extern struct option_info disconnector_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
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(DEBUGCHAP) || defined(DEBUG) || defined(DEBUGIPV6CP)
#define LOG_PPP LOG_LOCAL2
#else
#define LOG_PPP LOG_DAEMON
#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
projects / ppp.git / blobdiff