* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
- * $Id: pppd.h,v 1.3 1994/05/26 06:43:42 paulus Exp $
+ * $Id: pppd.h,v 1.14 1996/07/01 01:19:55 paulus Exp $
*/
/*
#ifndef __PPPD_H__
#define __PPPD_H__
-#include "args.h"
+#include <stdio.h> /* for FILE */
#include <sys/param.h> /* for MAXPATHLEN and BSD4_4, if defined */
+#include <sys/types.h> /* for u_int32_t, if defined */
+#include <sys/time.h> /* for struct timeval */
+#include <net/ppp_defs.h>
-#define NPPP 1 /* One PPP interface supported (per process) */
+#if __STDC__
+#include <stdarg.h>
+#define __V(x) x
+#else
+#include <varargs.h>
+#define __V(x) (va_alist) va_dcl
+#endif
/*
* Limits.
*/
+
+#define NUM_PPP 1 /* One PPP interface supported (per process) */
#define MAXWORDLEN 1024 /* max length of word in file (incl null) */
#define MAXARGS 1 /* max # args to a command */
#define MAXNAMELEN 256 /* max length of hostname or name for auth */
/*
* Global variables.
*/
-extern int debug; /* Debug flag */
-extern int ifunit; /* Interface unit number */
-extern char ifname[]; /* Interface name */
-extern int fd; /* Device file descriptor */
-extern int s; /* socket descriptor */
-extern char hostname[]; /* hostname */
-extern u_char outpacket_buf[]; /* buffer for outgoing packets */
-extern int phase; /* See values below */
+
+extern int hungup; /* Physical layer has disconnected */
+extern int ifunit; /* Interface unit number */
+extern char ifname[]; /* Interface name */
+extern int ttyfd; /* Serial device file descriptor */
+extern char hostname[]; /* Our hostname */
+extern u_char outpacket_buf[]; /* Buffer for outgoing packets */
+extern int phase; /* Current state of link - see values below */
+extern int baud_rate; /* Current link speed in bits/sec */
+extern char *progname; /* Name of this program */
+extern int redirect_stderr;/* Connector's stderr should go to file */
+extern char peer_authname[];/* Authenticated name of peer */
+
+/*
+ * 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 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 *welcomer; /* Script to welcome client after connection */
+extern int maxconnect; /* Maximum connect time (seconds) */
+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 int demand; /* Do dial-on-demand */
+extern char *ipparam; /* Extra parameter for ip up/down scripts */
+extern int 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 int refuse_pap; /* Don't wanna auth. ourselves with PAP */
+extern int refuse_chap; /* Don't wanna auth. ourselves with CHAP */
/*
* Values for phase.
*/
#define PHASE_DEAD 0
-#define PHASE_ESTABLISH 1
-#define PHASE_AUTHENTICATE 2
-#define PHASE_NETWORK 3
-#define PHASE_TERMINATE 4
+#define PHASE_INITIALIZE 1
+#define PHASE_DORMANT 2
+#define PHASE_ESTABLISH 3
+#define PHASE_AUTHENTICATE 4
+#define PHASE_NETWORK 5
+#define PHASE_TERMINATE 6
+#define PHASE_HOLDOFF 7
+
+/*
+ * The following struct gives the addresses of procedures to call
+ * for a particular protocol.
+ */
+struct protent {
+ u_short protocol; /* PPP protocol number */
+ /* Initialization procedure */
+ void (*init) __P((int unit));
+ /* Process a received packet */
+ void (*input) __P((int unit, u_char *pkt, int len));
+ /* Process a received protocol-reject */
+ void (*protrej) __P((int unit));
+ /* Lower layer has come up */
+ void (*lowerup) __P((int unit));
+ /* Lower layer has gone down */
+ void (*lowerdown) __P((int unit));
+ /* Open the protocol */
+ void (*open) __P((int unit));
+ /* Close the protocol */
+ void (*close) __P((int unit, char *reason));
+ /* Print a packet in readable form */
+ int (*printpkt) __P((u_char *pkt, int len,
+ void (*printer) __P((void *, char *, ...)),
+ void *arg));
+ /* Process a received data packet */
+ void (*datainput) __P((int unit, u_char *pkt, int len));
+ int enabled_flag; /* 0 iff protocol is disabled */
+ char *name; /* Text name of protocol */
+ /* Check requested options, assign defaults */
+ void (*check_options) __P((void));
+ /* Configure interface for demand-dial */
+ int (*demand_conf) __P((int unit));
+ /* Say whether to bring up link for this pkt */
+ int (*active_pkt) __P((u_char *pkt, int len));
+};
+
+/* Table of pointers to supported protocols */
+extern struct protent *protocols[];
/*
* Prototypes.
*/
-void quit __ARGS((void)); /* Cleanup and exit */
-void timeout __ARGS((void (*)(), caddr_t, int));
- /* Look-alike of kernel's timeout() */
-void untimeout __ARGS((void (*)(), caddr_t));
- /* Look-alike of kernel's untimeout() */
-void output __ARGS((int, u_char *, int));
- /* Output a PPP packet */
-void demuxprotrej __ARGS((int, int));
+
+/* Procedures exported from main.c. */
+void die __P((int)); /* Cleanup and exit */
+void quit __P((void)); /* like die(1) */
+void novm __P((char *)); /* Say we ran out of memory, and die */
+void timeout __P((void (*func)(), caddr_t arg, int t));
+ /* Call func(arg) after t seconds */
+void untimeout __P((void (*func)(), caddr_t arg));
+ /* Cancel call to func(arg) */
+int run_program __P((char *prog, char **args, int must_exist));
+ /* Run program prog with args in child */
+void demuxprotrej __P((int, int));
/* Demultiplex a Protocol-Reject */
-int check_passwd __ARGS((int, char *, int, char *, int, char **, int *));
+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 *));
+ /* 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++ */
+
+/* Procedures exported from auth.c */
+void link_required __P((int)); /* we are starting to use the link */
+void link_terminated __P((int)); /* we are finished with the link */
+void link_down __P((int)); /* the LCP layer has left the Opened state */
+void link_established __P((int)); /* the link is up; authenticate now */
+void np_up __P((int, int)); /* a network protocol has come up */
+void np_down __P((int, int)); /* a network protocol has gone down */
+void np_finished __P((int, int)); /* a network protocol no longer needs link */
+void auth_peer_fail __P((int, int));
+ /* peer failed to authenticate itself */
+void auth_peer_success __P((int, int, char *, int));
+ /* peer successfully authenticated itself */
+void auth_withpeer_fail __P((int, int));
+ /* we failed to authenticate ourselves */
+void auth_withpeer_success __P((int, int));
+ /* we successfully authenticated ourselves */
+void auth_check_options __P((void));
+ /* check authentication options supplied */
+void auth_reset __P((int)); /* check what secrets we have */
+int check_passwd __P((int, char *, int, char *, int, char **, int *));
/* Check peer-supplied username/password */
-int get_secret __ARGS((int, char *, char *, char *, int *, int));
+int get_secret __P((int, char *, char *, char *, int *, int));
/* get "secret" for chap */
-u_long GetMask __ARGS((u_long)); /* get netmask for address */
-
+int auth_ip_addr __P((int, u_int32_t));
+ /* check if IP address is authorized */
+int bad_ip_adrs __P((u_int32_t));
+ /* check if IP address is unreasonable */
+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_block __P((void)); /* set all NPs to queue up packets */
+void demand_unblock __P((void)); /* set all NPs to pass packets */
+void demand_discard __P((void)); /* set all NPs to discard packets */
+void demand_rexmit __P((int)); /* retransmit saved frames for an NP */
+int loop_chars __P((unsigned char *, int)); /* process chars from loopback */
+int loop_frame __P((unsigned char *, int)); /* process frame from loopback */
+
+/* Procedures exported from sys-*.c */
+void sys_init __P((void)); /* Do system-dependent initialization */
+void sys_cleanup __P((void)); /* Restore system state before exiting */
+void 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 */
+void restore_loop __P((void)); /* Transfer ppp unit back to loopback */
+void disestablish_ppp __P((int)); /* Restore port to normal operation */
+void clean_check __P((void)); /* Check if line was 8-bit clean */
+void set_up_tty __P((int, int)); /* Set up port's speed, parameters, etc. */
+void restore_tty __P((int)); /* Restore port's original parameters */
+void setdtr __P((int, int)); /* Raise or lower port's DTR line */
+void output __P((int, u_char *, int)); /* Output a PPP packet */
+void wait_input __P((struct timeval *));
+ /* Wait for input, with timeout */
+void 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 */
+int read_packet __P((u_char *)); /* Read PPP packet */
+int get_loop_output __P((void)); /* Read pkts from loopback */
+void ppp_send_config __P((int, int, u_int32_t, int, int));
+ /* Configure i/f transmit parameters */
+void ppp_set_xaccm __P((int, ext_accm));
+ /* Set extended transmit ACCM */
+void ppp_recv_config __P((int, int, u_int32_t, int, int));
+ /* Configure i/f receive parameters */
+int ccp_test __P((int, u_char *, int, int));
+ /* Test support for compression scheme */
+void ccp_flags_set __P((int, int, int));
+ /* Set kernel CCP state */
+int ccp_fatal_error __P((int)); /* Test for fatal decomp error in kernel */
+int get_idle_time __P((int, struct ppp_idle *));
+ /* Find out how long link has been idle */
+int sifvjcomp __P((int, int, int, int));
+ /* Configure VJ TCP header compression */
+int sifup __P((int)); /* Configure i/f up (for IP) */
+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 sifaddr __P((int, u_int32_t, u_int32_t, u_int32_t));
+ /* Configure IP addresses for i/f */
+int cifaddr __P((int, u_int32_t, u_int32_t));
+ /* Reset i/f IP addresses */
+int sifdefaultroute __P((int, u_int32_t));
+ /* Create default route through i/f */
+int cifdefaultroute __P((int, u_int32_t));
+ /* Delete default route through i/f */
+int sifproxyarp __P((int, u_int32_t));
+ /* Add proxy ARP entry for peer */
+int cifproxyarp __P((int, u_int32_t));
+ /* Delete proxy ARP entry for peer */
+u_int32_t GetMask __P((u_int32_t)); /* Get appropriate netmask for address */
+int lock __P((char *)); /* Create lock file for device */
+void unlock __P((void)); /* Delete previously-created lock file */
+int daemon __P((int, int)); /* Detach us from terminal session */
+int logwtmp __P((char *, char *, char *));
+ /* Write entry to wtmp file */
+
+/* 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));
+ /* 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 getword __P((FILE *f, char *word, int *newlinep, char *filename));
+ /* Read a word from a file */
/*
* 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.
*/
* MAKEHEADER - Add Header fields to a packet.
*/
#define MAKEHEADER(p, t) { \
- PUTCHAR(ALLSTATIONS, p); \
- PUTCHAR(UI, p); \
+ PUTCHAR(PPP_ALLSTATIONS, p); \
+ PUTCHAR(PPP_UI, p); \
PUTSHORT(t, p); }
#endif
#ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */
-#if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUG) \
+#if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUGSYS) \
|| defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \
- || defined(DEBUGCHAP)
+ || defined(DEBUGCHAP) || defined(DEBUG)
#define LOG_PPP LOG_LOCAL2
#else
#define LOG_PPP LOG_DAEMON
#define MAINDEBUG(x)
#endif
+#ifdef DEBUGSYS
+#define SYSDEBUG(x) if (debug) syslog x
+#else
+#define SYSDEBUG(x)
+#endif
+
#ifdef DEBUGFSM
#define FSMDEBUG(x) if (debug) syslog x
#else
projects / ppp.git / blobdiff