* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
- * $Id: pppd.h,v 1.28 1999/03/08 05:34:45 paulus Exp $
+ * $Id: pppd.h,v 1.35 1999/03/24 05:05:25 paulus Exp $
*/
/*
#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 */
#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_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;
+};
+
/*
* Global variables.
*/
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 using_pty; /* using pty as device (notty or pty opt.) */
/*
* 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[]; /* Device name */
+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 char *connector; /* Script to establish physical link */
extern char *disconnector; /* 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[]; /* Our name for authenticating ourselves */
-extern char passwd[]; /* Password for PAP */
+extern char user[MAXNAMELEN];/* Our name for authenticating ourselves */
+extern char passwd[MAXSECRETLEN]; /* Password for PAP */
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[]; /* Our name for authentication purposes */
-extern char remote_name[]; /* Peer's name for authentication */
-extern int explicit_remote;/* remote_name specified with remotename opt */
+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 notty; /* Stdin/out is not a tty */
+extern char *record_file; /* File to record chars sent/received */
+
#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 */
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));
/* Run program prog with args in child */
void demuxprotrej __P((int, int));
/* Demultiplex a Protocol-Reject */
-void format_packet __P((u_char *, int, void (*) (void *, char *, ...),
- void *)); /* Format a packet in human-readable form */
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 fmtmsg __P((char *, int, char *, ...)); /* sprintf++ */
-int vfmtmsg __P((char *, int, char *, va_list)); /* vsprintf++ */
+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 */
-void hangup_modem __P((int)); /* Make modem hang up */
+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 */
/* check if IP address is authorized */
int bad_ip_adrs __P((u_int32_t));
/* check if IP address is unreasonable */
-void check_access __P((FILE *, char *));
- /* check permissions on secrets file */
/* Procedures exported from demand.c */
void demand_conf __P((void)); /* config interface(s) for demand-dial */
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)); /* process frame 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 */
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 */
-void open_ppp_loopback __P((void)); /* Open loopback for demand-dialling */
-void establish_ppp __P((int)); /* Turn serial port into a ppp interface */
+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 output __P((int, u_char *, int)); /* Output a PPP packet */
void wait_input __P((struct timeval *));
/* Wait for input, with timeout */
-void wait_loop_output __P((struct timeval *));
- /* Wait for pkt from loopback, with timeout */
-void wait_time __P((struct timeval *)); /* Wait for given length of time */
+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));
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 IP) */
/* Procedures exported from options.c */
int parse_args __P((int argc, char **argv));
/* Parse options from arguments given */
-void usage __P((void)); /* Print a usage message */
int options_from_file __P((char *filename, int must_exist, int check_prot,
int privileged));
/* Parse options from an options file */
/* Read a word from a file */
void option_error __P((char *fmt, ...));
/* Print an error message about an option */
-int readable __P((int fd)); /* Is fd readable by real user? */
-int number_option __P((char *, u_int32_t *, int));
- /* Parse a numerical option */
int int_option __P((char *, int *));
/* Simplified number_option for decimal ints */
extern struct option_info connector_info;
extern struct option_info disconnector_info;
extern struct option_info welcomer_info;
+extern struct option_info ptycommand_info;
/*
* Inline versions of get/put char/short/long.
#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); }
+#define PRINTMSG(m, l) { info("Remote message: %0.*v", l, m); }
/*
* MAKEHEADER - Add Header fields to a packet.
#endif /* LOG_PPP */
#ifdef DEBUGMAIN
-#define MAINDEBUG(x) if (debug) syslog x
+#define MAINDEBUG(x) if (debug) dbglog x
#else
#define MAINDEBUG(x)
#endif
#ifdef DEBUGSYS
-#define SYSDEBUG(x) if (debug) syslog x
+#define SYSDEBUG(x) if (debug) dbglog x
#else
#define SYSDEBUG(x)
#endif
#ifdef DEBUGFSM
-#define FSMDEBUG(x) if (debug) syslog x
+#define FSMDEBUG(x) if (debug) dbglog x
#else
#define FSMDEBUG(x)
#endif
#ifdef DEBUGLCP
-#define LCPDEBUG(x) if (debug) syslog x
+#define LCPDEBUG(x) if (debug) dbglog x
#else
#define LCPDEBUG(x)
#endif
#ifdef DEBUGIPCP
-#define IPCPDEBUG(x) if (debug) syslog x
+#define IPCPDEBUG(x) if (debug) dbglog x
#else
#define IPCPDEBUG(x)
#endif
#ifdef DEBUGUPAP
-#define UPAPDEBUG(x) if (debug) syslog x
+#define UPAPDEBUG(x) if (debug) dbglog x
#else
#define UPAPDEBUG(x)
#endif
#ifdef DEBUGCHAP
-#define CHAPDEBUG(x) if (debug) syslog x
+#define CHAPDEBUG(x) if (debug) dbglog x
#else
#define CHAPDEBUG(x)
#endif
#ifdef DEBUGIPXCP
-#define IPXCPDEBUG(x) if (debug) syslog x
+#define IPXCPDEBUG(x) if (debug) dbglog x
#else
#define IPXCPDEBUG(x)
#endif
projects / ppp.git / blobdiff