2 * options.c - handles option processing for PPP.
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.
21 static char rcsid[] = "$Id: options.c,v 1.43 1998/09/04 18:49:15 christos Exp $";
35 #include <sys/types.h>
37 #include <netinet/in.h>
38 #include <arpa/inet.h>
41 #include <pcap-int.h> /* XXX: To get struct pcap */
45 #include "pathnames.h"
46 #include "patchlevel.h"
59 #endif /* IPX_CHANGE */
61 #include <net/ppp-comp.h>
66 #if defined(ultrix) || defined(NeXT)
67 char *strdup __P((char *));
71 #define GIDSET_TYPE gid_t
75 * Option variables and default values.
78 int dflag = 0; /* Tell libpcap we want debugging */
80 int debug = 0; /* Debug flag */
81 int kdebugflag = 0; /* Tell kernel to print debug messages */
82 int default_device = 1; /* Using /dev/tty or equivalent */
83 char devnam[MAXPATHLEN] = "/dev/tty"; /* Device name */
84 int crtscts = 0; /* Use hardware flow control */
85 int modem = 1; /* Use modem control lines */
86 int inspeed = 0; /* Input/Output speed requested */
87 u_int32_t netmask = 0; /* IP netmask to set on interface */
88 int lockflag = 0; /* Create lock file to lock the serial dev */
89 int nodetach = 0; /* Don't detach from controlling tty */
90 char *connector = NULL; /* Script to establish physical link */
91 char *disconnector = NULL; /* Script to disestablish physical link */
92 char *welcomer = NULL; /* Script to run after phys link estab. */
93 int maxconnect = 0; /* Maximum connect time */
94 char user[MAXNAMELEN]; /* Username for PAP */
95 char passwd[MAXSECRETLEN]; /* Password for PAP */
96 int auth_required = 0; /* Peer is required to authenticate */
97 int defaultroute = 0; /* assign default route through interface */
98 int proxyarp = 0; /* Set up proxy ARP entry for peer */
99 int persist = 0; /* Reopen link after it goes down */
100 int uselogin = 0; /* Use /etc/passwd for checking PAP */
101 int lcp_echo_interval = 0; /* Interval between LCP echo-requests */
102 int lcp_echo_fails = 0; /* Tolerance to unanswered echo-requests */
103 char our_name[MAXNAMELEN]; /* Our name for authentication purposes */
104 char remote_name[MAXNAMELEN]; /* Peer's name for authentication */
105 int explicit_remote = 0; /* User specified explicit remote name */
106 int usehostname = 0; /* Use hostname for our_name */
107 int disable_defaultip = 0; /* Don't use hostname for default IP adrs */
108 int demand = 0; /* do dial-on-demand */
109 char *ipparam = NULL; /* Extra parameter for ip up/down scripts */
110 int cryptpap; /* Passwords in pap-secrets are encrypted */
111 int idle_time_limit = 0; /* Disconnect if idle for this many seconds */
112 int holdoff = 30; /* # seconds to pause before reconnecting */
113 int refuse_pap = 0; /* Set to say we won't do PAP */
114 int refuse_chap = 0; /* Set to say we won't do CHAP */
117 int ms_lanman = 0; /* Nonzero if use LanMan password instead of NT */
118 /* Has meaning only with MS-CHAP challenges */
121 struct option_info auth_req_info;
122 struct option_info connector_info;
123 struct option_info disconnector_info;
124 struct option_info welcomer_info;
125 struct option_info devnam_info;
127 struct bpf_program pass_filter;/* Filter program for packets to pass */
128 struct bpf_program active_filter; /* Filter program for link-active pkts */
129 pcap_t pc; /* Fake struct pcap so we can compile expr */
135 static int setdevname __P((char *, int));
136 static int setipaddr __P((char *));
137 static int setspeed __P((char *));
138 static int setdebug __P((char **));
139 static int setkdebug __P((char **));
140 static int setpassive __P((char **));
141 static int setsilent __P((char **));
142 static int noopt __P((char **));
143 static int setnovj __P((char **));
144 static int setnovjccomp __P((char **));
145 static int setvjslots __P((char **));
146 static int reqpap __P((char **));
147 static int nopap __P((char **));
149 static int setupapfile __P((char **));
151 static int nochap __P((char **));
152 static int reqchap __P((char **));
153 static int noaccomp __P((char **));
154 static int noasyncmap __P((char **));
155 static int noip __P((char **));
156 static int nomagicnumber __P((char **));
157 static int setasyncmap __P((char **));
158 static int setescape __P((char **));
159 static int setmru __P((char **));
160 static int setmtu __P((char **));
162 static int setcbcp __P((char **));
164 static int nomru __P((char **));
165 static int nopcomp __P((char **));
166 static int setconnector __P((char **));
167 static int setdisconnector __P((char **));
168 static int setwelcomer __P((char **));
169 static int setmaxconnect __P((char **));
170 static int setdomain __P((char **));
171 static int setnetmask __P((char **));
172 static int setcrtscts __P((char **));
173 static int setnocrtscts __P((char **));
174 static int setcdtrcts __P((char **));
175 static int setxonxoff __P((char **));
176 static int setnodetach __P((char **));
177 static int setupdetach __P((char **));
178 static int setmodem __P((char **));
179 static int setlocal __P((char **));
180 static int setlock __P((char **));
181 static int setname __P((char **));
182 static int setuser __P((char **));
183 static int setremote __P((char **));
184 static int setauth __P((char **));
185 static int setnoauth __P((char **));
186 static int readfile __P((char **));
187 static int callfile __P((char **));
188 static int setdefaultroute __P((char **));
189 static int setnodefaultroute __P((char **));
190 static int setproxyarp __P((char **));
191 static int setnoproxyarp __P((char **));
192 static int setpersist __P((char **));
193 static int setnopersist __P((char **));
194 static int setdologin __P((char **));
195 static int setusehostname __P((char **));
196 static int setnoipdflt __P((char **));
197 static int setlcptimeout __P((char **));
198 static int setlcpterm __P((char **));
199 static int setlcpconf __P((char **));
200 static int setlcpfails __P((char **));
201 static int setipcptimeout __P((char **));
202 static int setipcpterm __P((char **));
203 static int setipcpconf __P((char **));
204 static int setipcpfails __P((char **));
205 static int setpaptimeout __P((char **));
206 static int setpapreqs __P((char **));
207 static int setpapreqtime __P((char **));
208 static int setchaptimeout __P((char **));
209 static int setchapchal __P((char **));
210 static int setchapintv __P((char **));
211 static int setipcpaccl __P((char **));
212 static int setipcpaccr __P((char **));
213 static int setlcpechointv __P((char **));
214 static int setlcpechofails __P((char **));
215 static int noccp __P((char **));
216 static int setbsdcomp __P((char **));
217 static int setnobsdcomp __P((char **));
218 static int setdeflate __P((char **));
219 static int setnodeflate __P((char **));
220 static int setnodeflatedraft __P((char **));
221 static int setdemand __P((char **));
222 static int setpred1comp __P((char **));
223 static int setnopred1comp __P((char **));
224 static int setipparam __P((char **));
225 static int setpapcrypt __P((char **));
226 static int setidle __P((char **));
227 static int setholdoff __P((char **));
228 static int setdnsaddr __P((char **));
229 static int resetipxproto __P((char **));
230 static int setwinsaddr __P((char **));
231 static int showversion __P((char **));
232 static int showhelp __P((char **));
235 static int setpdebug __P((char **));
236 static int setpassfilter __P((char **));
237 static int setactivefilter __P((char **));
241 static int setipxproto __P((char **));
242 static int setipxanet __P((char **));
243 static int setipxalcl __P((char **));
244 static int setipxarmt __P((char **));
245 static int setipxnetwork __P((char **));
246 static int setipxnode __P((char **));
247 static int setipxrouter __P((char **));
248 static int setipxname __P((char **));
249 static int setipxcptimeout __P((char **));
250 static int setipxcpterm __P((char **));
251 static int setipxcpconf __P((char **));
252 static int setipxcpfails __P((char **));
253 #endif /* IPX_CHANGE */
256 static int setmslanman __P((char **));
259 static int number_option __P((char *, u_int32_t *, int));
260 static int int_option __P((char *, int *));
261 static int readable __P((int fd));
269 int (*cmd_func) __P((char **));
271 {"-all", 0, noopt}, /* Don't request/allow any options (useless) */
272 {"noaccomp", 0, noaccomp}, /* Disable Address/Control compression */
273 {"-ac", 0, noaccomp}, /* Disable Address/Control compress */
274 {"default-asyncmap", 0, noasyncmap}, /* Disable asyncmap negoatiation */
275 {"-am", 0, noasyncmap}, /* Disable asyncmap negotiation */
276 {"-as", 1, setasyncmap}, /* set the desired async map */
277 {"-d", 0, setdebug}, /* Increase debugging level */
278 {"nodetach", 0, setnodetach}, /* Don't detach from controlling tty */
279 {"-detach", 0, setnodetach}, /* don't fork */
280 {"updetach", 0, setupdetach}, /* Detach once an NP has come up */
281 {"noip", 0, noip}, /* Disable IP and IPCP */
282 {"-ip", 0, noip}, /* Disable IP and IPCP */
283 {"nomagic", 0, nomagicnumber}, /* Disable magic number negotiation */
284 {"-mn", 0, nomagicnumber}, /* Disable magic number negotiation */
285 {"default-mru", 0, nomru}, /* Disable MRU negotiation */
286 {"-mru", 0, nomru}, /* Disable mru negotiation */
287 {"-p", 0, setpassive}, /* Set passive mode */
288 {"nopcomp", 0, nopcomp}, /* Disable protocol field compression */
289 {"-pc", 0, nopcomp}, /* Disable protocol field compress */
291 {"+ua", 1, setupapfile}, /* Get PAP user and password from file */
293 {"require-pap", 0, reqpap}, /* Require PAP authentication from peer */
294 {"+pap", 0, reqpap}, /* Require PAP auth from peer */
295 {"refuse-pap", 0, nopap}, /* Don't agree to auth to peer with PAP */
296 {"-pap", 0, nopap}, /* Don't allow UPAP authentication with peer */
297 {"require-chap", 0, reqchap}, /* Require CHAP authentication from peer */
298 {"+chap", 0, reqchap}, /* Require CHAP authentication from peer */
299 {"refuse-chap", 0, nochap}, /* Don't agree to auth to peer with CHAP */
300 {"-chap", 0, nochap}, /* Don't allow CHAP authentication with peer */
301 {"novj", 0, setnovj}, /* Disable VJ compression */
302 {"-vj", 0, setnovj}, /* disable VJ compression */
303 {"novjccomp", 0, setnovjccomp}, /* disable VJ connection-ID compression */
304 {"-vjccomp", 0, setnovjccomp}, /* disable VJ connection-ID compression */
305 {"vj-max-slots", 1, setvjslots}, /* Set maximum VJ header slots */
306 {"asyncmap", 1, setasyncmap}, /* set the desired async map */
307 {"escape", 1, setescape}, /* set chars to escape on transmission */
308 {"connect", 1, setconnector}, /* A program to set up a connection */
309 {"disconnect", 1, setdisconnector}, /* program to disconnect serial dev. */
310 {"welcome", 1, setwelcomer},/* Script to welcome client */
311 {"maxconnect", 1, setmaxconnect}, /* specify a maximum connect time */
312 {"crtscts", 0, setcrtscts}, /* set h/w flow control */
313 {"nocrtscts", 0, setnocrtscts}, /* clear h/w flow control */
314 {"-crtscts", 0, setnocrtscts}, /* clear h/w flow control */
315 {"cdtrcts", 0, setcdtrcts}, /* set alternate h/w flow control */
316 {"nocdtrcts", 0, setnocrtscts}, /* clear h/w flow control */
317 {"-cdtrcts", 0, setnocrtscts}, /* clear h/w flow control */
318 {"xonxoff", 0, setxonxoff}, /* set s/w flow control */
319 {"debug", 0, setdebug}, /* Increase debugging level */
320 {"kdebug", 1, setkdebug}, /* Enable kernel-level debugging */
321 {"domain", 1, setdomain}, /* Add given domain name to hostname*/
322 {"mru", 1, setmru}, /* Set MRU value for negotiation */
323 {"mtu", 1, setmtu}, /* Set our MTU */
325 {"callback", 1, setcbcp}, /* Ask for callback */
327 {"netmask", 1, setnetmask}, /* set netmask */
328 {"passive", 0, setpassive}, /* Set passive mode */
329 {"silent", 0, setsilent}, /* Set silent mode */
330 {"modem", 0, setmodem}, /* Use modem control lines */
331 {"local", 0, setlocal}, /* Don't use modem control lines */
332 {"lock", 0, setlock}, /* Lock serial device (with lock file) */
333 {"name", 1, setname}, /* Set local name for authentication */
334 {"user", 1, setuser}, /* Set name for auth with peer */
335 {"usehostname", 0, setusehostname}, /* Must use hostname for auth. */
336 {"remotename", 1, setremote}, /* Set remote name for authentication */
337 {"auth", 0, setauth}, /* Require authentication from peer */
338 {"noauth", 0, setnoauth}, /* Don't require peer to authenticate */
339 {"file", 1, readfile}, /* Take options from a file */
340 {"call", 1, callfile}, /* Take options from a privileged file */
341 {"defaultroute", 0, setdefaultroute}, /* Add default route */
342 {"nodefaultroute", 0, setnodefaultroute}, /* disable defaultroute option */
343 {"-defaultroute", 0, setnodefaultroute}, /* disable defaultroute option */
344 {"proxyarp", 0, setproxyarp}, /* Add proxy ARP entry */
345 {"noproxyarp", 0, setnoproxyarp}, /* disable proxyarp option */
346 {"-proxyarp", 0, setnoproxyarp}, /* disable proxyarp option */
347 {"persist", 0, setpersist}, /* Keep on reopening connection after close */
348 {"nopersist", 0, setnopersist}, /* Turn off persist option */
349 {"demand", 0, setdemand}, /* Dial on demand */
350 {"login", 0, setdologin}, /* Use system password database for UPAP */
351 {"noipdefault", 0, setnoipdflt}, /* Don't use name for default IP adrs */
352 {"lcp-echo-failure", 1, setlcpechofails}, /* consecutive echo failures */
353 {"lcp-echo-interval", 1, setlcpechointv}, /* time for lcp echo events */
354 {"lcp-restart", 1, setlcptimeout}, /* Set timeout for LCP */
355 {"lcp-max-terminate", 1, setlcpterm}, /* Set max #xmits for term-reqs */
356 {"lcp-max-configure", 1, setlcpconf}, /* Set max #xmits for conf-reqs */
357 {"lcp-max-failure", 1, setlcpfails}, /* Set max #conf-naks for LCP */
358 {"ipcp-restart", 1, setipcptimeout}, /* Set timeout for IPCP */
359 {"ipcp-max-terminate", 1, setipcpterm}, /* Set max #xmits for term-reqs */
360 {"ipcp-max-configure", 1, setipcpconf}, /* Set max #xmits for conf-reqs */
361 {"ipcp-max-failure", 1, setipcpfails}, /* Set max #conf-naks for IPCP */
362 {"pap-restart", 1, setpaptimeout}, /* Set retransmit timeout for PAP */
363 {"pap-max-authreq", 1, setpapreqs}, /* Set max #xmits for auth-reqs */
364 {"pap-timeout", 1, setpapreqtime}, /* Set time limit for peer PAP auth. */
365 {"chap-restart", 1, setchaptimeout}, /* Set timeout for CHAP */
366 {"chap-max-challenge", 1, setchapchal}, /* Set max #xmits for challenge */
367 {"chap-interval", 1, setchapintv}, /* Set interval for rechallenge */
368 {"ipcp-accept-local", 0, setipcpaccl}, /* Accept peer's address for us */
369 {"ipcp-accept-remote", 0, setipcpaccr}, /* Accept peer's address for it */
370 {"noccp", 0, noccp}, /* Disable CCP negotiation */
371 {"-ccp", 0, noccp}, /* Disable CCP negotiation */
372 {"bsdcomp", 1, setbsdcomp}, /* request BSD-Compress */
373 {"nobsdcomp", 0, setnobsdcomp}, /* don't allow BSD-Compress */
374 {"-bsdcomp", 0, setnobsdcomp}, /* don't allow BSD-Compress */
375 {"deflate", 1, setdeflate}, /* request Deflate compression */
376 {"nodeflate", 0, setnodeflate}, /* don't allow Deflate compression */
377 {"-deflate", 0, setnodeflate}, /* don't allow Deflate compression */
378 {"nodeflatedraft", 0, setnodeflatedraft}, /* don't use draft deflate # */
379 {"predictor1", 0, setpred1comp}, /* request Predictor-1 */
380 {"nopredictor1", 0, setnopred1comp},/* don't allow Predictor-1 */
381 {"-predictor1", 0, setnopred1comp}, /* don't allow Predictor-1 */
382 {"ipparam", 1, setipparam}, /* set ip script parameter */
383 {"papcrypt", 0, setpapcrypt}, /* PAP passwords encrypted */
384 {"idle", 1, setidle}, /* idle time limit (seconds) */
385 {"holdoff", 1, setholdoff}, /* set holdoff time (seconds) */
386 {"ms-dns", 1, setdnsaddr}, /* DNS address for the peer's use */
387 {"ms-wins", 1, setwinsaddr}, /* Nameserver for SMB over TCP/IP for peer */
388 {"noipx", 0, resetipxproto}, /* Disable IPXCP (and IPX) */
389 {"-ipx", 0, resetipxproto}, /* Disable IPXCP (and IPX) */
390 {"--version", 0, showversion}, /* Show version number */
391 {"--help", 0, showhelp}, /* Show brief listing of options */
392 {"-h", 0, showhelp}, /* ditto */
395 {"pdebug", 1, setpdebug}, /* libpcap debugging */
396 {"pass-filter", 1, setpassfilter}, /* set filter for packets to pass */
397 {"active-filter", 1, setactivefilter}, /* set filter for active pkts */
401 {"ipx-network", 1, setipxnetwork}, /* IPX network number */
402 {"ipxcp-accept-network", 0, setipxanet}, /* Accept peer netowrk */
403 {"ipx-node", 1, setipxnode}, /* IPX node number */
404 {"ipxcp-accept-local", 0, setipxalcl}, /* Accept our address */
405 {"ipxcp-accept-remote", 0, setipxarmt}, /* Accept peer's address */
406 {"ipx-routing", 1, setipxrouter}, /* IPX routing proto number */
407 {"ipx-router-name", 1, setipxname}, /* IPX router name */
408 {"ipxcp-restart", 1, setipxcptimeout}, /* Set timeout for IPXCP */
409 {"ipxcp-max-terminate", 1, setipxcpterm}, /* max #xmits for term-reqs */
410 {"ipxcp-max-configure", 1, setipxcpconf}, /* max #xmits for conf-reqs */
411 {"ipxcp-max-failure", 1, setipxcpfails}, /* max #conf-naks for IPXCP */
413 {"ipx-compression", 1, setipxcompression}, /* IPX compression number */
415 {"ipx", 0, setipxproto}, /* Enable IPXCP (and IPX) */
416 {"+ipx", 0, setipxproto}, /* Enable IPXCP (and IPX) */
417 #endif /* IPX_CHANGE */
420 {"ms-lanman", 0, setmslanman}, /* Use LanMan psswd when using MS-CHAP */
427 #ifndef IMPLEMENTATION
428 #define IMPLEMENTATION ""
431 static char *usage_string = "\
432 pppd version %s patch level %d%s\n\
433 Usage: %s [ options ], where options are:\n\
434 <device> Communicate over the named device\n\
435 <speed> Set the baud rate to <speed>\n\
436 <loc>:<rem> Set the local and/or remote interface IP\n\
437 addresses. Either one may be omitted.\n\
438 asyncmap <n> Set the desired async map to hex <n>\n\
439 auth Require authentication from peer\n\
440 connect <p> Invoke shell command <p> to set up the serial line\n\
441 crtscts Use hardware RTS/CTS flow control\n\
442 cdtrcts Use hardware DTR/CTS flow control (if supported)\n\
443 defaultroute Add default route through interface\n\
444 file <f> Take options from file <f>\n\
445 modem Use modem control lines\n\
446 mru <n> Set MRU value to <n> for negotiation\n\
447 See pppd(8) for more options.\n\
450 static char *current_option; /* the name of the option being parsed */
451 static int privileged_option; /* set iff the current option came from root */
452 static char *option_source; /* string saying where the option came from */
455 * parse_args - parse a string of arguments from the command line.
458 parse_args(argc, argv)
466 privileged_option = privileged;
467 option_source = "command line";
473 * First see if it's a command.
475 for (cmdp = cmds; cmdp->cmd_name; cmdp++)
476 if (!strcmp(arg, cmdp->cmd_name))
479 if (cmdp->cmd_name != NULL) {
480 if (argc < cmdp->num_args) {
481 option_error("too few parameters for option %s", arg);
484 current_option = arg;
485 if (!(*cmdp->cmd_func)(argv))
487 argc -= cmdp->num_args;
488 argv += cmdp->num_args;
492 * Maybe a tty name, speed or IP address?
494 if ((ret = setdevname(arg, 0)) == 0
495 && (ret = setspeed(arg)) == 0
496 && (ret = setipaddr(arg)) == 0) {
497 option_error("unrecognized option '%s'", arg);
501 if (ret < 0) /* error */
509 * scan_args - scan the command line arguments to get the tty name,
513 scan_args(argc, argv)
524 /* Skip options and their arguments */
525 for (cmdp = cmds; cmdp->cmd_name; cmdp++)
526 if (!strcmp(arg, cmdp->cmd_name))
529 if (cmdp->cmd_name != NULL) {
530 argc -= cmdp->num_args;
531 argv += cmdp->num_args;
535 /* Check if it's a tty name and copy it if so */
536 (void) setdevname(arg, 1);
541 * usage - print out a message telling how to use the program.
546 if (phase == PHASE_INITIALIZE)
547 fprintf(stderr, usage_string, VERSION, PATCHLEVEL, IMPLEMENTATION,
552 * showhelp - print out usage message and exit.
558 if (phase == PHASE_INITIALIZE) {
566 * showversion - print out the version number and exit.
572 if (phase == PHASE_INITIALIZE) {
573 fprintf(stderr, "pppd version %s patch level %d%s\n",
574 VERSION, PATCHLEVEL, IMPLEMENTATION);
581 * options_from_file - Read a string of options from a file,
582 * and interpret them.
585 options_from_file(filename, must_exist, check_prot, priv)
596 char args[MAXARGS][MAXWORDLEN];
597 char cmd[MAXWORDLEN];
599 if ((f = fopen(filename, "r")) == NULL) {
600 if (!must_exist && errno == ENOENT)
602 option_error("Can't open options file %s: %m", filename);
605 if (check_prot && !readable(fileno(f))) {
606 option_error("Can't open options file %s: access denied", filename);
611 oldpriv = privileged_option;
612 privileged_option = priv;
614 while (getword(f, cmd, &newline, filename)) {
616 * First see if it's a command.
618 for (cmdp = cmds; cmdp->cmd_name; cmdp++)
619 if (!strcmp(cmd, cmdp->cmd_name))
622 if (cmdp->cmd_name != NULL) {
623 for (i = 0; i < cmdp->num_args; ++i) {
624 if (!getword(f, args[i], &newline, filename)) {
626 "In file %s: too few parameters for option '%s'",
632 current_option = cmd;
633 if (!(*cmdp->cmd_func)(argv))
638 * Maybe a tty name, speed or IP address?
640 if ((i = setdevname(cmd, 0)) == 0
641 && (i = setspeed(cmd)) == 0
642 && (i = setipaddr(cmd)) == 0) {
643 option_error("In file %s: unrecognized option '%s'",
647 if (i < 0) /* error */
655 privileged_option = oldpriv;
660 * options_from_user - See if the use has a ~/.ppprc file,
661 * and if so, interpret options from it.
666 char *user, *path, *file;
670 pw = getpwuid(getuid());
671 if (pw == NULL || (user = pw->pw_dir) == NULL || user[0] == 0)
673 file = _PATH_USEROPT;
674 path = malloc(strlen(user) + strlen(file) + 2);
676 novm("init file name");
680 ret = options_from_file(path, 0, 1, privileged);
686 * options_for_tty - See if an options file exists for the serial
687 * device, and if so, interpret options from it.
692 char *dev, *path, *p;
696 if (strncmp(dev, "/dev/", 5) == 0)
698 if (strcmp(dev, "tty") == 0)
699 return 1; /* don't look for /etc/ppp/options.tty */
700 path = malloc(strlen(_PATH_TTYOPT) + strlen(dev) + 1);
702 novm("tty init file name");
703 strcpy(path, _PATH_TTYOPT);
704 /* Turn slashes into dots, for Solaris case (e.g. /dev/term/a) */
705 for (p = path + strlen(path); *dev != 0; ++dev)
706 *p++ = (*dev == '/'? '.': *dev);
708 ret = options_from_file(path, 0, 0, 1);
714 * option_error - print a message about an error in an option.
715 * The message is logged, and also sent to
716 * stderr if phase == PHASE_INITIALIZE.
719 option_error __V((char *fmt, ...))
729 fmt = va_arg(args, char *);
731 vfmtmsg(buf, sizeof(buf), fmt, args);
733 if (phase == PHASE_INITIALIZE)
734 fprintf(stderr, "%s: %s\n", progname, buf);
735 syslog(LOG_ERR, "%s", buf);
739 * readable - check if a file is readable by the real user.
748 GIDSET_TYPE groups[NGROUPS_MAX];
753 if (fstat(fd, &sbuf) != 0)
755 if (sbuf.st_uid == uid)
756 return sbuf.st_mode & S_IRUSR;
757 if (sbuf.st_gid == getgid())
758 return sbuf.st_mode & S_IRGRP;
759 ngroups = getgroups(NGROUPS_MAX, groups);
760 for (i = 0; i < ngroups; ++i)
761 if (sbuf.st_gid == groups[i])
762 return sbuf.st_mode & S_IRGRP;
763 return sbuf.st_mode & S_IROTH;
767 * Read a word from a file.
768 * Words are delimited by white-space or by quotes (" or ').
769 * Quotes, white-space and \ may be escaped with \.
770 * \<newline> is ignored.
773 getword(f, word, newlinep, filename)
781 int value, digit, got, n;
783 #define isoctal(c) ((c) >= '0' && (c) < '8')
791 * First skip white-space and comments.
799 * A newline means the end of a comment; backslash-newline
800 * is ignored. Note that we cannot have escape && comment.
812 * Ignore characters other than newline in a comment.
818 * If this character is escaped, we have a word start.
824 * If this is the escape character, look at the next character.
832 * If this is the start of a comment, ignore the rest of the line.
840 * A non-whitespace character is the start of a word.
847 * Save the delimiter for quoted strings.
849 if (!escape && (c == '"' || c == '\'')) {
856 * Process characters until the end of the word.
861 * This character is escaped: backslash-newline is ignored,
862 * various other characters indicate particular values
863 * as for C backslash-escapes.
898 * \ddd octal sequence
901 for (n = 0; n < 3 && isoctal(c); ++n) {
902 value = (value << 3) + (c & 07);
911 * \x<hex_string> sequence
915 for (n = 0; n < 2 && isxdigit(c); ++n) {
916 digit = toupper(c) - '0';
918 digit += '0' + 10 - 'A';
919 value = (value << 4) + digit;
927 * Otherwise the character stands for itself.
934 * Store the resulting character for the escape sequence.
936 if (len < MAXWORDLEN-1)
947 * Not escaped: see if we've reached the end of the word.
953 if (isspace(c) || c == '#') {
960 * Backslash starts an escape sequence.
969 * An ordinary character: store it in the word and get another.
971 if (len < MAXWORDLEN-1)
979 * End of the word: check for errors.
985 option_error("Error reading %s: %m", filename);
989 * If len is zero, then we didn't find a word before the
997 * Warn if the word was too long, and append a terminating null.
999 if (len >= MAXWORDLEN) {
1000 option_error("warning: word in file %s too long (%.20s...)",
1002 len = MAXWORDLEN - 1;
1013 * number_option - parse an unsigned numeric parameter for an option.
1016 number_option(str, valp, base)
1023 *valp = strtoul(str, &ptr, base);
1025 option_error("invalid numeric parameter '%s' for %s option",
1026 str, current_option);
1034 * int_option - like number_option, but valp is int *,
1035 * the base is assumed to be 0, and *valp is not changed
1036 * if there is an error.
1039 int_option(str, valp)
1045 if (!number_option(str, &v, 0))
1053 * The following procedures parse options.
1057 * readfile - take commands from a file.
1063 return options_from_file(*argv, 1, 1, privileged_option);
1067 * callfile - take commands from /etc/ppp/peers/<name>.
1068 * Name may not contain /../, start with / or ../, or end in /..
1074 char *fname, *arg, *p;
1079 if (arg[0] == '/' || arg[0] == 0)
1082 for (p = arg; *p != 0; ) {
1083 if (p[0] == '.' && p[1] == '.' && (p[2] == '/' || p[2] == 0)) {
1087 while (*p != '/' && *p != 0)
1094 option_error("call option value may not contain .. or start with /");
1098 l = strlen(arg) + strlen(_PATH_PEERFILES) + 1;
1099 if ((fname = (char *) malloc(l)) == NULL)
1100 novm("call file name");
1101 strcpy(fname, _PATH_PEERFILES);
1104 ok = options_from_file(fname, 1, 1, 1);
1112 * setdebug - Set debug (command line argument).
1123 * setkdebug - Set kernel debugging level.
1129 return int_option(*argv, &kdebugflag);
1134 * setpdebug - Set libpcap debugging level.
1140 return int_option(*argv, &dflag);
1144 * setpassfilter - Set the pass filter for packets
1150 pc.linktype = DLT_PPP;
1151 pc.snapshot = PPP_HDRLEN;
1153 if (pcap_compile(&pc, &pass_filter, *argv, 1, netmask) == 0)
1155 option_error("error in pass-filter expression: %s\n", pcap_geterr(&pc));
1160 * setactivefilter - Set the active filter for packets
1163 setactivefilter(argv)
1166 pc.linktype = DLT_PPP;
1167 pc.snapshot = PPP_HDRLEN;
1169 if (pcap_compile(&pc, &active_filter, *argv, 1, netmask) == 0)
1171 option_error("error in active-filter expression: %s\n", pcap_geterr(&pc));
1177 * noopt - Disable all options.
1183 BZERO((char *) &lcp_wantoptions[0], sizeof (struct lcp_options));
1184 BZERO((char *) &lcp_allowoptions[0], sizeof (struct lcp_options));
1185 BZERO((char *) &ipcp_wantoptions[0], sizeof (struct ipcp_options));
1186 BZERO((char *) &ipcp_allowoptions[0], sizeof (struct ipcp_options));
1189 BZERO((char *) &ipxcp_wantoptions[0], sizeof (struct ipxcp_options));
1190 BZERO((char *) &ipxcp_allowoptions[0], sizeof (struct ipxcp_options));
1191 #endif /* IPX_CHANGE */
1197 * noaccomp - Disable Address/Control field compression negotiation.
1203 lcp_wantoptions[0].neg_accompression = 0;
1204 lcp_allowoptions[0].neg_accompression = 0;
1210 * noasyncmap - Disable async map negotiation.
1216 lcp_wantoptions[0].neg_asyncmap = 0;
1217 lcp_allowoptions[0].neg_asyncmap = 0;
1223 * noip - Disable IP and IPCP.
1229 ipcp_protent.enabled_flag = 0;
1235 * nomagicnumber - Disable magic number negotiation.
1241 lcp_wantoptions[0].neg_magicnumber = 0;
1242 lcp_allowoptions[0].neg_magicnumber = 0;
1248 * nomru - Disable mru negotiation.
1254 lcp_wantoptions[0].neg_mru = 0;
1255 lcp_allowoptions[0].neg_mru = 0;
1261 * setmru - Set MRU for negotiation.
1269 if (!number_option(*argv, &mru, 0))
1271 lcp_wantoptions[0].mru = mru;
1272 lcp_wantoptions[0].neg_mru = 1;
1278 * setmru - Set the largest MTU we'll use.
1286 if (!number_option(*argv, &mtu, 0))
1288 if (mtu < MINMRU || mtu > MAXMRU) {
1289 option_error("mtu option value of %u is too %s", mtu,
1290 (mtu < MINMRU? "small": "large"));
1293 lcp_allowoptions[0].mru = mtu;
1302 lcp_wantoptions[0].neg_cbcp = 1;
1303 cbcp_protent.enabled_flag = 1;
1304 cbcp[0].us_number = strdup(*argv);
1305 if (cbcp[0].us_number == 0)
1306 novm("callback number");
1307 cbcp[0].us_type |= (1 << CB_CONF_USER);
1308 cbcp[0].us_type |= (1 << CB_CONF_ADMIN);
1314 * nopcomp - Disable Protocol field compression negotiation.
1320 lcp_wantoptions[0].neg_pcompression = 0;
1321 lcp_allowoptions[0].neg_pcompression = 0;
1327 * setpassive - Set passive mode (don't give up if we time out sending
1328 * LCP configure-requests).
1334 lcp_wantoptions[0].passive = 1;
1340 * setsilent - Set silent mode (don't start sending LCP configure-requests
1341 * until we get one from the peer).
1347 lcp_wantoptions[0].silent = 1;
1353 * nopap - Disable PAP authentication with peer.
1365 * reqpap - Require PAP authentication from peer.
1371 lcp_wantoptions[0].neg_upap = 1;
1378 * setupapfile - specifies UPAP info for authenticating with peer.
1387 lcp_allowoptions[0].neg_upap = 1;
1389 /* open user info file */
1390 if ((ufile = fopen(*argv, "r")) == NULL) {
1391 option_error("unable to open user login data file %s", *argv);
1394 if (!readable(fileno(ufile))) {
1395 option_error("%s: access denied", *argv);
1398 check_access(ufile, *argv);
1401 if (fgets(user, MAXNAMELEN - 1, ufile) == NULL
1402 || fgets(passwd, MAXSECRETLEN - 1, ufile) == NULL){
1403 option_error("unable to read user login data file %s", *argv);
1408 /* get rid of newlines */
1410 if (l > 0 && user[l-1] == '\n')
1413 if (l > 0 && passwd[l-1] == '\n')
1421 * nochap - Disable CHAP authentication with peer.
1433 * reqchap - Require CHAP authentication from peer.
1439 lcp_wantoptions[0].neg_chap = 1;
1446 * setnovj - disable vj compression
1452 ipcp_wantoptions[0].neg_vj = 0;
1453 ipcp_allowoptions[0].neg_vj = 0;
1459 * setnovjccomp - disable VJ connection-ID compression
1465 ipcp_wantoptions[0].cflag = 0;
1466 ipcp_allowoptions[0].cflag = 0;
1472 * setvjslots - set maximum number of connection slots for VJ compression
1480 if (!int_option(*argv, &value))
1482 if (value < 2 || value > 16) {
1483 option_error("vj-max-slots value must be between 2 and 16");
1486 ipcp_wantoptions [0].maxslotindex =
1487 ipcp_allowoptions[0].maxslotindex = value - 1;
1493 * setconnector - Set a program to connect to a serial line
1499 connector = strdup(*argv);
1500 if (connector == NULL)
1501 novm("connect script");
1502 connector_info.priv = privileged_option;
1503 connector_info.source = option_source;
1509 * setdisconnector - Set a program to disconnect from the serial line
1512 setdisconnector(argv)
1515 disconnector = strdup(*argv);
1516 if (disconnector == NULL)
1517 novm("disconnect script");
1518 disconnector_info.priv = privileged_option;
1519 disconnector_info.source = option_source;
1525 * setwelcomer - Set a program to welcome a client after connection
1531 welcomer = strdup(*argv);
1532 if (welcomer == NULL)
1533 novm("welcome script");
1534 welcomer_info.priv = privileged_option;
1535 welcomer_info.source = option_source;
1541 * setmaxconnect - Set the maximum connect time
1549 if (!int_option(*argv, &value))
1552 option_error("maxconnect time must be positive");
1555 if (maxconnect > 0 && (value == 0 || value > maxconnect)) {
1556 option_error("maxconnect time cannot be increased");
1564 * setdomain - Set domain name to append to hostname
1570 if (!privileged_option) {
1571 option_error("using the domain option requires root privilege");
1574 gethostname(hostname, MAXNAMELEN);
1577 strncat(hostname, ".", MAXNAMELEN - strlen(hostname));
1578 strncat(hostname, *argv, MAXNAMELEN - strlen(hostname));
1580 hostname[MAXNAMELEN-1] = 0;
1586 * setasyncmap - add bits to asyncmap (what we request peer to escape).
1594 if (!number_option(*argv, &asyncmap, 16))
1596 lcp_wantoptions[0].asyncmap |= asyncmap;
1597 lcp_wantoptions[0].neg_asyncmap = 1;
1603 * setescape - add chars to the set we escape on transmission.
1615 n = strtol(p, &endp, 16);
1617 option_error("escape parameter contains invalid hex number '%s'",
1622 if (n < 0 || (0x20 <= n && n <= 0x3F) || n == 0x5E || n > 0xFF) {
1623 option_error("can't escape character 0x%x", n);
1626 xmit_accm[0][n >> 5] |= 1 << (n & 0x1F);
1627 while (*p == ',' || *p == ' ')
1635 * setspeed - Set the speed.
1644 spd = strtol(arg, &ptr, 0);
1645 if (ptr == arg || *ptr != 0 || spd == 0)
1653 * setdevname - Set the device name.
1656 setdevname(cp, quiet)
1660 struct stat statbuf;
1661 char dev[MAXPATHLEN];
1666 if (strncmp("/dev/", cp, 5) != 0) {
1667 strcpy(dev, "/dev/");
1668 strncat(dev, cp, MAXPATHLEN - 5);
1669 dev[MAXPATHLEN-1] = 0;
1674 * Check if there is a device by this name.
1676 if (stat(cp, &statbuf) < 0) {
1677 if (errno == ENOENT || quiet)
1679 option_error("Couldn't stat %s: %m", cp);
1683 (void) strncpy(devnam, cp, MAXPATHLEN);
1684 devnam[MAXPATHLEN-1] = 0;
1685 default_device = FALSE;
1686 devnam_info.priv = privileged_option;
1687 devnam_info.source = option_source;
1694 * setipaddr - Set the IP address
1702 u_int32_t local, remote;
1703 ipcp_options *wo = &ipcp_wantoptions[0];
1706 * IP address pair separated by ":".
1708 if ((colon = strchr(arg, ':')) == NULL)
1712 * If colon first character, then no local addr.
1716 if ((local = inet_addr(arg)) == -1) {
1717 if ((hp = gethostbyname(arg)) == NULL) {
1718 option_error("unknown host: %s", arg);
1721 local = *(u_int32_t *)hp->h_addr;
1724 if (bad_ip_adrs(local)) {
1725 option_error("bad local IP address %s", ip_ntoa(local));
1729 wo->ouraddr = local;
1734 * If colon last character, then no remote addr.
1736 if (*++colon != '\0') {
1737 if ((remote = inet_addr(colon)) == -1) {
1738 if ((hp = gethostbyname(colon)) == NULL) {
1739 option_error("unknown host: %s", colon);
1742 remote = *(u_int32_t *)hp->h_addr;
1743 if (remote_name[0] == 0) {
1744 strncpy(remote_name, colon, MAXNAMELEN);
1745 remote_name[MAXNAMELEN-1] = 0;
1749 if (bad_ip_adrs(remote)) {
1750 option_error("bad remote IP address %s", ip_ntoa(remote));
1754 wo->hisaddr = remote;
1762 * setnoipdflt - disable setipdefault()
1768 disable_defaultip = 1;
1774 * setipcpaccl - accept peer's idea of our address
1780 ipcp_wantoptions[0].accept_local = 1;
1786 * setipcpaccr - accept peer's idea of its address
1792 ipcp_wantoptions[0].accept_remote = 1;
1798 * setnetmask - set the netmask to be used on the interface.
1809 * Unfortunately, if we use inet_addr, we can't tell whether
1810 * a result of all 1s is an error or a valid 255.255.255.255.
1816 b = strtoul(p, &endp, 0);
1819 if (b < 0 || b > 255) {
1821 /* accept e.g. 0xffffff00 */
1827 mask |= b << (n * 8);
1829 if (*p != '.' || n == 0)
1836 if (*p != 0 || (netmask & ~mask) != 0) {
1837 option_error("invalid netmask value '%s'", *argv);
1873 lcp_wantoptions[0].asyncmap |= 0x000A0000; /* escape ^S and ^Q */
1874 lcp_wantoptions[0].neg_asyncmap = 1;
1930 setusehostname(argv)
1941 if (!privileged_option) {
1942 option_error("using the name option requires root privilege");
1945 strncpy(our_name, argv[0], MAXNAMELEN);
1946 our_name[MAXNAMELEN-1] = 0;
1954 strncpy(user, argv[0], MAXNAMELEN);
1955 user[MAXNAMELEN-1] = 0;
1963 strncpy(remote_name, argv[0], MAXNAMELEN);
1964 remote_name[MAXNAMELEN-1] = 0;
1973 if (privileged_option > auth_req_info.priv) {
1974 auth_req_info.priv = privileged_option;
1975 auth_req_info.source = option_source;
1984 if (auth_required && privileged_option < auth_req_info.priv) {
1985 option_error("cannot override auth option set by %s",
1986 auth_req_info.source);
1994 setdefaultroute(argv)
1997 if (!ipcp_allowoptions[0].default_route) {
1998 option_error("defaultroute option is disabled");
2001 ipcp_wantoptions[0].default_route = 1;
2006 setnodefaultroute(argv)
2009 ipcp_allowoptions[0].default_route = 0;
2010 ipcp_wantoptions[0].default_route = 0;
2018 if (!ipcp_allowoptions[0].proxy_arp) {
2019 option_error("proxyarp option is disabled");
2022 ipcp_wantoptions[0].proxy_arp = 1;
2030 ipcp_wantoptions[0].proxy_arp = 0;
2031 ipcp_allowoptions[0].proxy_arp = 0;
2060 * Functions to set the echo interval for modem-less monitors
2064 setlcpechointv(argv)
2067 return int_option(*argv, &lcp_echo_interval);
2071 setlcpechofails(argv)
2074 return int_option(*argv, &lcp_echo_fails);
2078 * Functions to set timeouts, max transmits, etc.
2084 return int_option(*argv, &lcp_fsm[0].timeouttime);
2091 return int_option(*argv, &lcp_fsm[0].maxtermtransmits);
2098 return int_option(*argv, &lcp_fsm[0].maxconfreqtransmits);
2105 return int_option(*argv, &lcp_fsm[0].maxnakloops);
2109 setipcptimeout(argv)
2112 return int_option(*argv, &ipcp_fsm[0].timeouttime);
2119 return int_option(*argv, &ipcp_fsm[0].maxtermtransmits);
2126 return int_option(*argv, &ipcp_fsm[0].maxconfreqtransmits);
2133 return int_option(*argv, &lcp_fsm[0].maxnakloops);
2140 return int_option(*argv, &upap[0].us_timeouttime);
2147 return int_option(*argv, &upap[0].us_reqtimeout);
2154 return int_option(*argv, &upap[0].us_maxtransmits);
2158 setchaptimeout(argv)
2161 return int_option(*argv, &chap[0].timeouttime);
2168 return int_option(*argv, &chap[0].max_transmits);
2175 return int_option(*argv, &chap[0].chal_interval);
2182 ccp_protent.enabled_flag = 0;
2194 abits = rbits = strtol(str, &endp, 0);
2195 if (endp != str && *endp == ',') {
2197 abits = strtol(str, &endp, 0);
2199 if (*endp != 0 || endp == str) {
2200 option_error("invalid parameter '%s' for bsdcomp option", *argv);
2203 if ((rbits != 0 && (rbits < BSD_MIN_BITS || rbits > BSD_MAX_BITS))
2204 || (abits != 0 && (abits < BSD_MIN_BITS || abits > BSD_MAX_BITS))) {
2205 option_error("bsdcomp option values must be 0 or %d .. %d",
2206 BSD_MIN_BITS, BSD_MAX_BITS);
2210 ccp_wantoptions[0].bsd_compress = 1;
2211 ccp_wantoptions[0].bsd_bits = rbits;
2213 ccp_wantoptions[0].bsd_compress = 0;
2215 ccp_allowoptions[0].bsd_compress = 1;
2216 ccp_allowoptions[0].bsd_bits = abits;
2218 ccp_allowoptions[0].bsd_compress = 0;
2226 ccp_wantoptions[0].bsd_compress = 0;
2227 ccp_allowoptions[0].bsd_compress = 0;
2239 abits = rbits = strtol(str, &endp, 0);
2240 if (endp != str && *endp == ',') {
2242 abits = strtol(str, &endp, 0);
2244 if (*endp != 0 || endp == str) {
2245 option_error("invalid parameter '%s' for deflate option", *argv);
2248 if ((rbits != 0 && (rbits < DEFLATE_MIN_SIZE || rbits > DEFLATE_MAX_SIZE))
2249 || (abits != 0 && (abits < DEFLATE_MIN_SIZE
2250 || abits > DEFLATE_MAX_SIZE))) {
2251 option_error("deflate option values must be 0 or %d .. %d",
2252 DEFLATE_MIN_SIZE, DEFLATE_MAX_SIZE);
2256 ccp_wantoptions[0].deflate = 1;
2257 ccp_wantoptions[0].deflate_size = rbits;
2259 ccp_wantoptions[0].deflate = 0;
2261 ccp_allowoptions[0].deflate = 1;
2262 ccp_allowoptions[0].deflate_size = abits;
2264 ccp_allowoptions[0].deflate = 0;
2272 ccp_wantoptions[0].deflate = 0;
2273 ccp_allowoptions[0].deflate = 0;
2278 setnodeflatedraft(argv)
2281 ccp_wantoptions[0].deflate_draft = 0;
2282 ccp_allowoptions[0].deflate_draft = 0;
2290 ccp_wantoptions[0].predictor_1 = 1;
2291 ccp_allowoptions[0].predictor_1 = 1;
2296 setnopred1comp(argv)
2299 ccp_wantoptions[0].predictor_1 = 0;
2300 ccp_allowoptions[0].predictor_1 = 0;
2308 ipparam = strdup(*argv);
2309 if (ipparam == NULL)
2310 novm("ipparam string");
2327 return int_option(*argv, &idle_time_limit);
2334 return int_option(*argv, &holdoff);
2338 * setdnsaddr - set the dns address(es)
2347 dns = inet_addr(*argv);
2349 if ((hp = gethostbyname(*argv)) == NULL) {
2350 option_error("invalid address parameter '%s' for ms-dns option",
2354 dns = *(u_int32_t *)hp->h_addr;
2357 /* if there is no primary then update it. */
2358 if (ipcp_allowoptions[0].dnsaddr[0] == 0)
2359 ipcp_allowoptions[0].dnsaddr[0] = dns;
2361 /* always set the secondary address value to the same value. */
2362 ipcp_allowoptions[0].dnsaddr[1] = dns;
2368 * setwinsaddr - set the wins address(es)
2369 * This is primrarly used with the Samba package under UNIX or for pointing
2370 * the caller to the existing WINS server on a Windows NT platform.
2379 wins = inet_addr(*argv);
2381 if ((hp = gethostbyname(*argv)) == NULL) {
2382 option_error("invalid address parameter '%s' for ms-wins option",
2386 wins = *(u_int32_t *)hp->h_addr;
2389 /* if there is no primary then update it. */
2390 if (ipcp_allowoptions[0].winsaddr[0] == 0)
2391 ipcp_allowoptions[0].winsaddr[0] = wins;
2393 /* always set the secondary address value to the same value. */
2394 ipcp_allowoptions[0].winsaddr[1] = wins;
2404 ipxcp_wantoptions[0].neg_router = 1;
2405 ipxcp_allowoptions[0].neg_router = 1;
2406 return int_option(*argv, &ipxcp_wantoptions[0].router);
2413 char *dest = ipxcp_wantoptions[0].name;
2418 ipxcp_wantoptions[0].neg_name = 1;
2419 ipxcp_allowoptions[0].neg_name = 1;
2420 memset (dest, '\0', sizeof (ipxcp_wantoptions[0].name));
2425 if (! isalnum (ch) && ch != '_') {
2426 option_error("IPX router name must be alphanumeric or _");
2430 if (count >= sizeof (ipxcp_wantoptions[0].name)) {
2431 option_error("IPX router name is limited to %d characters",
2432 sizeof (ipxcp_wantoptions[0].name) - 1);
2436 dest[count++] = toupper (ch);
2443 setipxcptimeout (argv)
2446 return int_option(*argv, &ipxcp_fsm[0].timeouttime);
2453 return int_option(*argv, &ipxcp_fsm[0].maxtermtransmits);
2460 return int_option(*argv, &ipxcp_fsm[0].maxconfreqtransmits);
2464 setipxcpfails (argv)
2467 return int_option(*argv, &ipxcp_fsm[0].maxnakloops);
2476 if (!number_option(*argv, &v, 16))
2479 ipxcp_wantoptions[0].our_network = (int) v;
2480 ipxcp_wantoptions[0].neg_nn = 1;
2488 ipxcp_wantoptions[0].accept_network = 1;
2489 ipxcp_allowoptions[0].accept_network = 1;
2497 ipxcp_wantoptions[0].accept_local = 1;
2498 ipxcp_allowoptions[0].accept_local = 1;
2506 ipxcp_wantoptions[0].accept_remote = 1;
2507 ipxcp_allowoptions[0].accept_remote = 1;
2512 setipxnodevalue(src,dst)
2519 if (!isxdigit (*src))
2522 for (indx = 0; indx < 5; ++indx) {
2524 dst[indx] |= (dst[indx + 1] >> 4) & 0x0F;
2527 item = toupper (*src) - '0';
2531 dst[5] = (dst[5] << 4) | item;
2543 memset (&ipxcp_wantoptions[0].our_node[0], 0, 6);
2544 memset (&ipxcp_wantoptions[0].his_node[0], 0, 6);
2546 end = setipxnodevalue (*argv, &ipxcp_wantoptions[0].our_node[0]);
2548 end = setipxnodevalue (++end, &ipxcp_wantoptions[0].his_node[0]);
2551 ipxcp_wantoptions[0].neg_node = 1;
2555 option_error("invalid parameter '%s' for ipx-node option", *argv);
2563 ipxcp_protent.enabled_flag = 1;
2571 ipxcp_protent.enabled_flag = 0;
2582 #endif /* IPX_CHANGE */