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 1.8.2.1 1995/06/01 07:01:37 paulus Exp $
29 #include <sys/param.h> /* for MAXPATHLEN and BSD4_4, if defined */
30 #include <sys/types.h> /* for u_int32_t, if defined */
31 #include <net/ppp_defs.h>
33 #define NUM_PPP 1 /* One PPP interface supported (per process) */
39 #define MAXWORDLEN 1024 /* max length of word in file (incl null) */
40 #define MAXARGS 1 /* max # args to a command */
41 #define MAXNAMELEN 256 /* max length of hostname or name for auth */
42 #define MAXSECRETLEN 256 /* max length of password or secret */
48 extern int hungup; /* Physical layer has disconnected */
49 extern int ifunit; /* Interface unit number */
50 extern char ifname[]; /* Interface name */
51 extern int fd; /* Serial device file descriptor */
52 extern char hostname[]; /* Our hostname */
53 extern u_char outpacket_buf[]; /* Buffer for outgoing packets */
54 extern int phase; /* Current state of link - see values below */
55 extern int baud_rate; /* Current link speed in bits/sec */
56 extern char *progname; /* Name of this program */
59 * Variables set by command-line options.
62 extern int debug; /* Debug flag */
63 extern int kdebugflag; /* Tell kernel to print debug messages */
64 extern int default_device; /* Using /dev/tty or equivalent */
65 extern char devnam[]; /* Device name */
66 extern int crtscts; /* Use hardware flow control */
67 extern int modem; /* Use modem control lines */
68 extern int inspeed; /* Input/Output speed requested */
69 extern u_int32_t netmask; /* IP netmask to set on interface */
70 extern int lockflag; /* Create lock file to lock the serial dev */
71 extern int nodetach; /* Don't detach from controlling tty */
72 extern char *connector; /* Script to establish physical link */
73 extern char *disconnector; /* Script to disestablish physical link */
74 extern char user[]; /* Username for PAP */
75 extern char passwd[]; /* Password for PAP */
76 extern int auth_required; /* Peer is required to authenticate */
77 extern int proxyarp; /* Set up proxy ARP entry for peer */
78 extern int persist; /* Reopen link after it goes down */
79 extern int uselogin; /* Use /etc/passwd for checking PAP */
80 extern int lcp_echo_interval; /* Interval between LCP echo-requests */
81 extern int lcp_echo_fails; /* Tolerance to unanswered echo-requests */
82 extern char our_name[]; /* Our name for authentication purposes */
83 extern char remote_name[]; /* Peer's name for authentication */
84 extern int usehostname; /* Use hostname for our_name */
85 extern int disable_defaultip; /* Don't use hostname for default IP adrs */
86 extern int demand; /* Do dial-on-demand */
87 extern char *ipparam; /* Extra parameter for ip up/down scripts */
88 extern int cryptpap; /* Others' PAP passwords are encrypted */
89 extern int idle_time_limit;/* Shut down link if idle for this long */
90 extern int holdoff; /* Dead time before restarting */
96 #define PHASE_DORMANT 1
97 #define PHASE_ESTABLISH 2
98 #define PHASE_AUTHENTICATE 3
99 #define PHASE_NETWORK 4
100 #define PHASE_TERMINATE 5
101 #define PHASE_HOLDOFF 6
106 void quit __P((void)); /* Cleanup and exit */
107 void timeout __P((void (*)(), caddr_t, int));
108 /* Look-alike of kernel's timeout() */
109 void untimeout __P((void (*)(), caddr_t));
110 /* Look-alike of kernel's untimeout() */
111 void output __P((int, u_char *, int));
112 /* Output a PPP packet */
113 void demuxprotrej __P((int, int));
114 /* Demultiplex a Protocol-Reject */
115 int check_passwd __P((int, char *, int, char *, int, char **, int *));
116 /* Check peer-supplied username/password */
117 int get_secret __P((int, char *, char *, char *, int *, int));
118 /* get "secret" for chap */
119 u_int32_t GetMask __P((u_int32_t)); /* get netmask for address */
121 void np_up __P((int, int));
122 void np_down __P((int, int));
123 void np_finished __P((int, 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))
170 * System dependent definitions for user-level 4.3BSD UNIX implementation.
173 #define DEMUXPROTREJ(u, p) demuxprotrej(u, p)
175 #define TIMEOUT(r, f, t) timeout((r), (f), (t))
176 #define UNTIMEOUT(r, f) untimeout((r), (f))
178 #define BCOPY(s, d, l) memcpy(d, s, l)
179 #define BZERO(s, n) memset(s, 0, n)
180 #define EXIT(u) quit()
182 #define PRINTMSG(m, l) { m[l] = '\0'; syslog(LOG_INFO, "Remote message: %s", m); }
185 * MAKEHEADER - Add Header fields to a packet.
187 #define MAKEHEADER(p, t) { \
188 PUTCHAR(PPP_ALLSTATIONS, p); \
189 PUTCHAR(PPP_UI, p); \
202 #ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */
203 #if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUGSYS) \
204 || defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \
205 || defined(DEBUGCHAP) || defined(DEBUG)
206 #define LOG_PPP LOG_LOCAL2
208 #define LOG_PPP LOG_DAEMON
213 #define MAINDEBUG(x) if (debug) syslog x
219 #define SYSDEBUG(x) if (debug) syslog x
225 #define FSMDEBUG(x) if (debug) syslog x
231 #define LCPDEBUG(x) if (debug) syslog x
237 #define IPCPDEBUG(x) if (debug) syslog x
243 #define UPAPDEBUG(x) if (debug) syslog x
249 #define CHAPDEBUG(x) if (debug) syslog x
255 #if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE)
259 #endif /* defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) */
263 #define MIN(a, b) ((a) < (b)? (a): (b))
266 #define MAX(a, b) ((a) > (b)? (a): (b))
269 #endif /* __PPP_H__ */