2 * pppd.h - PPP daemon global declarations.
4 * Copyright (c) 1989 Carnegie Mellon University.
7 * Redistribution and use in source and binary forms are permitted
8 * provided that the above copyright notice and this paragraph are
9 * duplicated in all such forms and that any documentation,
10 * advertising materials, and other materials related to such
11 * distribution and use acknowledge that the software was developed
12 * by Carnegie Mellon University. The name of the
13 * University may not be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
17 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
19 * $Id: pppd.h,v 1.4 1994/09/01 00:36:05 paulus Exp $
30 #include <sys/param.h> /* for MAXPATHLEN and BSD4_4, if defined */
32 #define NPPP 1 /* One PPP interface supported (per process) */
35 * A 32-bit unsigned integral type.
39 typedef UINT32 uint32;
41 typedef unsigned long uint32;
48 #define MAXWORDLEN 1024 /* max length of word in file (incl null) */
49 #define MAXARGS 1 /* max # args to a command */
50 #define MAXNAMELEN 256 /* max length of hostname or name for auth */
51 #define MAXSECRETLEN 256 /* max length of password or secret */
57 extern int hungup; /* Physical layer has disconnected */
58 extern int ifunit; /* Interface unit number */
59 extern char ifname[]; /* Interface name */
60 extern int fd; /* Serial device file descriptor */
61 extern int s; /* Socket descriptor */
62 extern char hostname[]; /* Our hostname */
63 extern u_char outpacket_buf[]; /* Buffer for outgoing packets */
64 extern int phase; /* Current state of link - see values below */
65 extern int baud_rate; /* Current link speed in bits/sec */
66 extern char *progname; /* Name of this program */
69 * Variables set by command-line options.
72 extern int debug; /* Debug flag */
73 extern int kdebugflag; /* Tell kernel to print debug messages */
74 extern int default_device; /* Using /dev/tty or equivalent */
75 extern char devnam[]; /* Device name */
76 extern int crtscts; /* Use hardware flow control */
77 extern int modem; /* Use modem control lines */
78 extern int inspeed; /* Input/Output speed requested */
79 extern uint32 netmask; /* IP netmask to set on interface */
80 extern int lockflag; /* Create lock file to lock the serial dev */
81 extern int nodetach; /* Don't detach from controlling tty */
82 extern char *connector; /* Script to establish physical link */
83 extern char *disconnector; /* Script to disestablish physical link */
84 extern char user[]; /* Username for PAP */
85 extern char passwd[]; /* Password for PAP */
86 extern int auth_required; /* Peer is required to authenticate */
87 extern int proxyarp; /* Set up proxy ARP entry for peer */
88 extern int persist; /* Reopen link after it goes down */
89 extern int uselogin; /* Use /etc/passwd for checking PAP */
90 extern int lcp_echo_interval; /* Interval between LCP echo-requests */
91 extern int lcp_echo_fails; /* Tolerance to unanswered echo-requests */
92 extern char our_name[]; /* Our name for authentication purposes */
93 extern char remote_name[]; /* Peer's name for authentication */
94 extern int usehostname; /* Use hostname for our_name */
95 extern int disable_defaultip; /* Don't use hostname for default IP adrs */
101 #define PHASE_ESTABLISH 1
102 #define PHASE_AUTHENTICATE 2
103 #define PHASE_NETWORK 3
104 #define PHASE_TERMINATE 4
109 void quit __ARGS((void)); /* Cleanup and exit */
110 void timeout __ARGS((void (*)(), caddr_t, int));
111 /* Look-alike of kernel's timeout() */
112 void untimeout __ARGS((void (*)(), caddr_t));
113 /* Look-alike of kernel's untimeout() */
114 void output __ARGS((int, u_char *, int));
115 /* Output a PPP packet */
116 void demuxprotrej __ARGS((int, int));
117 /* Demultiplex a Protocol-Reject */
118 int check_passwd __ARGS((int, char *, int, char *, int, char **, int *));
119 /* Check peer-supplied username/password */
120 int get_secret __ARGS((int, char *, char *, char *, int *, int));
121 /* get "secret" for chap */
122 uint32 GetMask __ARGS((uint32)); /* get netmask for address */
123 void die __ARGS((int));
126 * Inline versions of get/put char/short/long.
127 * Pointer is advanced; we assume that both arguments
128 * are lvalues and will already be in registers.
129 * cp MUST be u_char *.
131 #define GETCHAR(c, cp) { \
134 #define PUTCHAR(c, cp) { \
135 *(cp)++ = (u_char) (c); \
139 #define GETSHORT(s, cp) { \
140 (s) = *(cp)++ << 8; \
143 #define PUTSHORT(s, cp) { \
144 *(cp)++ = (u_char) ((s) >> 8); \
145 *(cp)++ = (u_char) (s); \
148 #define GETLONG(l, cp) { \
149 (l) = *(cp)++ << 8; \
150 (l) |= *(cp)++; (l) <<= 8; \
151 (l) |= *(cp)++; (l) <<= 8; \
154 #define PUTLONG(l, cp) { \
155 *(cp)++ = (u_char) ((l) >> 24); \
156 *(cp)++ = (u_char) ((l) >> 16); \
157 *(cp)++ = (u_char) ((l) >> 8); \
158 *(cp)++ = (u_char) (l); \
161 #define INCPTR(n, cp) ((cp) += (n))
162 #define DECPTR(n, cp) ((cp) -= (n))
168 * System dependent definitions for user-level 4.3BSD UNIX implementation.
171 #define DEMUXPROTREJ(u, p) demuxprotrej(u, p)
173 #define TIMEOUT(r, f, t) timeout((r), (f), (t))
174 #define UNTIMEOUT(r, f) untimeout((r), (f))
176 #define BCOPY(s, d, l) memcpy(d, s, l)
177 #define BZERO(s, n) memset(s, 0, n)
178 #define EXIT(u) quit()
180 #define PRINTMSG(m, l) { m[l] = '\0'; syslog(LOG_INFO, "Remote message: %s", m); }
183 * MAKEHEADER - Add Header fields to a packet.
185 #define MAKEHEADER(p, t) { \
186 PUTCHAR(ALLSTATIONS, p); \
200 #ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */
201 #if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUG) \
202 || defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \
203 || defined(DEBUGCHAP)
204 #define LOG_PPP LOG_LOCAL2
206 #define LOG_PPP LOG_DAEMON
211 #define MAINDEBUG(x) if (debug) syslog x
217 #define FSMDEBUG(x) if (debug) syslog x
223 #define LCPDEBUG(x) if (debug) syslog x
229 #define IPCPDEBUG(x) if (debug) syslog x
235 #define UPAPDEBUG(x) if (debug) syslog x
241 #define CHAPDEBUG(x) if (debug) syslog x
247 #if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE)
251 #endif /* defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) */
255 #define MIN(a, b) ((a) < (b)? (a): (b))
258 #define MAX(a, b) ((a) > (b)? (a): (b))
261 #endif /* __PPP_H__ */