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 1.42 1998/03/26 04:46:06 paulus 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 setxonxoff __P((char **));
175 static int setnodetach __P((char **));
176 static int setupdetach __P((char **));
177 static int setmodem __P((char **));
178 static int setlocal __P((char **));
179 static int setlock __P((char **));
180 static int setname __P((char **));
181 static int setuser __P((char **));
182 static int setremote __P((char **));
183 static int setauth __P((char **));
184 static int setnoauth __P((char **));
185 static int readfile __P((char **));
186 static int callfile __P((char **));
187 static int setdefaultroute __P((char **));
188 static int setnodefaultroute __P((char **));
189 static int setproxyarp __P((char **));
190 static int setnoproxyarp __P((char **));
191 static int setpersist __P((char **));
192 static int setnopersist __P((char **));
193 static int setdologin __P((char **));
194 static int setusehostname __P((char **));
195 static int setnoipdflt __P((char **));
196 static int setlcptimeout __P((char **));
197 static int setlcpterm __P((char **));
198 static int setlcpconf __P((char **));
199 static int setlcpfails __P((char **));
200 static int setipcptimeout __P((char **));
201 static int setipcpterm __P((char **));
202 static int setipcpconf __P((char **));
203 static int setipcpfails __P((char **));
204 static int setpaptimeout __P((char **));
205 static int setpapreqs __P((char **));
206 static int setpapreqtime __P((char **));
207 static int setchaptimeout __P((char **));
208 static int setchapchal __P((char **));
209 static int setchapintv __P((char **));
210 static int setipcpaccl __P((char **));
211 static int setipcpaccr __P((char **));
212 static int setlcpechointv __P((char **));
213 static int setlcpechofails __P((char **));
214 static int noccp __P((char **));
215 static int setbsdcomp __P((char **));
216 static int setnobsdcomp __P((char **));
217 static int setdeflate __P((char **));
218 static int setnodeflate __P((char **));
219 static int setnodeflatedraft __P((char **));
220 static int setdemand __P((char **));
221 static int setpred1comp __P((char **));
222 static int setnopred1comp __P((char **));
223 static int setipparam __P((char **));
224 static int setpapcrypt __P((char **));
225 static int setidle __P((char **));
226 static int setholdoff __P((char **));
227 static int setdnsaddr __P((char **));
228 static int resetipxproto __P((char **));
229 static int setwinsaddr __P((char **));
230 static int showversion __P((char **));
231 static int showhelp __P((char **));
234 static int setpdebug __P((char **));
235 static int setpassfilter __P((char **));
236 static int setactivefilter __P((char **));
240 static int setipxproto __P((char **));
241 static int setipxanet __P((char **));
242 static int setipxalcl __P((char **));
243 static int setipxarmt __P((char **));
244 static int setipxnetwork __P((char **));
245 static int setipxnode __P((char **));
246 static int setipxrouter __P((char **));
247 static int setipxname __P((char **));
248 static int setipxcptimeout __P((char **));
249 static int setipxcpterm __P((char **));
250 static int setipxcpconf __P((char **));
251 static int setipxcpfails __P((char **));
252 #endif /* IPX_CHANGE */
255 static int setmslanman __P((char **));
258 static int number_option __P((char *, u_int32_t *, int));
259 static int int_option __P((char *, int *));
260 static int readable __P((int fd));
268 int (*cmd_func) __P((char **));
270 {"-all", 0, noopt}, /* Don't request/allow any options (useless) */
271 {"noaccomp", 0, noaccomp}, /* Disable Address/Control compression */
272 {"-ac", 0, noaccomp}, /* Disable Address/Control compress */
273 {"default-asyncmap", 0, noasyncmap}, /* Disable asyncmap negoatiation */
274 {"-am", 0, noasyncmap}, /* Disable asyncmap negotiation */
275 {"-as", 1, setasyncmap}, /* set the desired async map */
276 {"-d", 0, setdebug}, /* Increase debugging level */
277 {"nodetach", 0, setnodetach}, /* Don't detach from controlling tty */
278 {"-detach", 0, setnodetach}, /* don't fork */
279 {"updetach", 0, setupdetach}, /* Detach once an NP has come up */
280 {"noip", 0, noip}, /* Disable IP and IPCP */
281 {"-ip", 0, noip}, /* Disable IP and IPCP */
282 {"nomagic", 0, nomagicnumber}, /* Disable magic number negotiation */
283 {"-mn", 0, nomagicnumber}, /* Disable magic number negotiation */
284 {"default-mru", 0, nomru}, /* Disable MRU negotiation */
285 {"-mru", 0, nomru}, /* Disable mru negotiation */
286 {"-p", 0, setpassive}, /* Set passive mode */
287 {"nopcomp", 0, nopcomp}, /* Disable protocol field compression */
288 {"-pc", 0, nopcomp}, /* Disable protocol field compress */
290 {"+ua", 1, setupapfile}, /* Get PAP user and password from file */
292 {"require-pap", 0, reqpap}, /* Require PAP authentication from peer */
293 {"+pap", 0, reqpap}, /* Require PAP auth from peer */
294 {"refuse-pap", 0, nopap}, /* Don't agree to auth to peer with PAP */
295 {"-pap", 0, nopap}, /* Don't allow UPAP authentication with peer */
296 {"require-chap", 0, reqchap}, /* Require CHAP authentication from peer */
297 {"+chap", 0, reqchap}, /* Require CHAP authentication from peer */
298 {"refuse-chap", 0, nochap}, /* Don't agree to auth to peer with CHAP */
299 {"-chap", 0, nochap}, /* Don't allow CHAP authentication with peer */
300 {"novj", 0, setnovj}, /* Disable VJ compression */
301 {"-vj", 0, setnovj}, /* disable VJ compression */
302 {"novjccomp", 0, setnovjccomp}, /* disable VJ connection-ID compression */
303 {"-vjccomp", 0, setnovjccomp}, /* disable VJ connection-ID compression */
304 {"vj-max-slots", 1, setvjslots}, /* Set maximum VJ header slots */
305 {"asyncmap", 1, setasyncmap}, /* set the desired async map */
306 {"escape", 1, setescape}, /* set chars to escape on transmission */
307 {"connect", 1, setconnector}, /* A program to set up a connection */
308 {"disconnect", 1, setdisconnector}, /* program to disconnect serial dev. */
309 {"welcome", 1, setwelcomer},/* Script to welcome client */
310 {"maxconnect", 1, setmaxconnect}, /* specify a maximum connect time */
311 {"crtscts", 0, setcrtscts}, /* set h/w flow control */
312 {"nocrtscts", 0, setnocrtscts}, /* clear h/w flow control */
313 {"-crtscts", 0, setnocrtscts}, /* clear h/w flow control */
314 {"xonxoff", 0, setxonxoff}, /* set s/w flow control */
315 {"debug", 0, setdebug}, /* Increase debugging level */
316 {"kdebug", 1, setkdebug}, /* Enable kernel-level debugging */
317 {"domain", 1, setdomain}, /* Add given domain name to hostname*/
318 {"mru", 1, setmru}, /* Set MRU value for negotiation */
319 {"mtu", 1, setmtu}, /* Set our MTU */
321 {"callback", 1, setcbcp}, /* Ask for callback */
323 {"netmask", 1, setnetmask}, /* set netmask */
324 {"passive", 0, setpassive}, /* Set passive mode */
325 {"silent", 0, setsilent}, /* Set silent mode */
326 {"modem", 0, setmodem}, /* Use modem control lines */
327 {"local", 0, setlocal}, /* Don't use modem control lines */
328 {"lock", 0, setlock}, /* Lock serial device (with lock file) */
329 {"name", 1, setname}, /* Set local name for authentication */
330 {"user", 1, setuser}, /* Set name for auth with peer */
331 {"usehostname", 0, setusehostname}, /* Must use hostname for auth. */
332 {"remotename", 1, setremote}, /* Set remote name for authentication */
333 {"auth", 0, setauth}, /* Require authentication from peer */
334 {"noauth", 0, setnoauth}, /* Don't require peer to authenticate */
335 {"file", 1, readfile}, /* Take options from a file */
336 {"call", 1, callfile}, /* Take options from a privileged file */
337 {"defaultroute", 0, setdefaultroute}, /* Add default route */
338 {"nodefaultroute", 0, setnodefaultroute}, /* disable defaultroute option */
339 {"-defaultroute", 0, setnodefaultroute}, /* disable defaultroute option */
340 {"proxyarp", 0, setproxyarp}, /* Add proxy ARP entry */
341 {"noproxyarp", 0, setnoproxyarp}, /* disable proxyarp option */
342 {"-proxyarp", 0, setnoproxyarp}, /* disable proxyarp option */
343 {"persist", 0, setpersist}, /* Keep on reopening connection after close */
344 {"nopersist", 0, setnopersist}, /* Turn off persist option */
345 {"demand", 0, setdemand}, /* Dial on demand */
346 {"login", 0, setdologin}, /* Use system password database for UPAP */
347 {"noipdefault", 0, setnoipdflt}, /* Don't use name for default IP adrs */
348 {"lcp-echo-failure", 1, setlcpechofails}, /* consecutive echo failures */
349 {"lcp-echo-interval", 1, setlcpechointv}, /* time for lcp echo events */
350 {"lcp-restart", 1, setlcptimeout}, /* Set timeout for LCP */
351 {"lcp-max-terminate", 1, setlcpterm}, /* Set max #xmits for term-reqs */
352 {"lcp-max-configure", 1, setlcpconf}, /* Set max #xmits for conf-reqs */
353 {"lcp-max-failure", 1, setlcpfails}, /* Set max #conf-naks for LCP */
354 {"ipcp-restart", 1, setipcptimeout}, /* Set timeout for IPCP */
355 {"ipcp-max-terminate", 1, setipcpterm}, /* Set max #xmits for term-reqs */
356 {"ipcp-max-configure", 1, setipcpconf}, /* Set max #xmits for conf-reqs */
357 {"ipcp-max-failure", 1, setipcpfails}, /* Set max #conf-naks for IPCP */
358 {"pap-restart", 1, setpaptimeout}, /* Set retransmit timeout for PAP */
359 {"pap-max-authreq", 1, setpapreqs}, /* Set max #xmits for auth-reqs */
360 {"pap-timeout", 1, setpapreqtime}, /* Set time limit for peer PAP auth. */
361 {"chap-restart", 1, setchaptimeout}, /* Set timeout for CHAP */
362 {"chap-max-challenge", 1, setchapchal}, /* Set max #xmits for challenge */
363 {"chap-interval", 1, setchapintv}, /* Set interval for rechallenge */
364 {"ipcp-accept-local", 0, setipcpaccl}, /* Accept peer's address for us */
365 {"ipcp-accept-remote", 0, setipcpaccr}, /* Accept peer's address for it */
366 {"noccp", 0, noccp}, /* Disable CCP negotiation */
367 {"-ccp", 0, noccp}, /* Disable CCP negotiation */
368 {"bsdcomp", 1, setbsdcomp}, /* request BSD-Compress */
369 {"nobsdcomp", 0, setnobsdcomp}, /* don't allow BSD-Compress */
370 {"-bsdcomp", 0, setnobsdcomp}, /* don't allow BSD-Compress */
371 {"deflate", 1, setdeflate}, /* request Deflate compression */
372 {"nodeflate", 0, setnodeflate}, /* don't allow Deflate compression */
373 {"-deflate", 0, setnodeflate}, /* don't allow Deflate compression */
374 {"nodeflatedraft", 0, setnodeflatedraft}, /* don't use draft deflate # */
375 {"predictor1", 0, setpred1comp}, /* request Predictor-1 */
376 {"nopredictor1", 0, setnopred1comp},/* don't allow Predictor-1 */
377 {"-predictor1", 0, setnopred1comp}, /* don't allow Predictor-1 */
378 {"ipparam", 1, setipparam}, /* set ip script parameter */
379 {"papcrypt", 0, setpapcrypt}, /* PAP passwords encrypted */
380 {"idle", 1, setidle}, /* idle time limit (seconds) */
381 {"holdoff", 1, setholdoff}, /* set holdoff time (seconds) */
382 {"ms-dns", 1, setdnsaddr}, /* DNS address for the peer's use */
383 {"ms-wins", 1, setwinsaddr}, /* Nameserver for SMB over TCP/IP for peer */
384 {"noipx", 0, resetipxproto}, /* Disable IPXCP (and IPX) */
385 {"-ipx", 0, resetipxproto}, /* Disable IPXCP (and IPX) */
386 {"--version", 0, showversion}, /* Show version number */
387 {"--help", 0, showhelp}, /* Show brief listing of options */
388 {"-h", 0, showhelp}, /* ditto */
391 {"pdebug", 1, setpdebug}, /* libpcap debugging */
392 {"pass-filter", 1, setpassfilter}, /* set filter for packets to pass */
393 {"active-filter", 1, setactivefilter}, /* set filter for active pkts */
397 {"ipx-network", 1, setipxnetwork}, /* IPX network number */
398 {"ipxcp-accept-network", 0, setipxanet}, /* Accept peer netowrk */
399 {"ipx-node", 1, setipxnode}, /* IPX node number */
400 {"ipxcp-accept-local", 0, setipxalcl}, /* Accept our address */
401 {"ipxcp-accept-remote", 0, setipxarmt}, /* Accept peer's address */
402 {"ipx-routing", 1, setipxrouter}, /* IPX routing proto number */
403 {"ipx-router-name", 1, setipxname}, /* IPX router name */
404 {"ipxcp-restart", 1, setipxcptimeout}, /* Set timeout for IPXCP */
405 {"ipxcp-max-terminate", 1, setipxcpterm}, /* max #xmits for term-reqs */
406 {"ipxcp-max-configure", 1, setipxcpconf}, /* max #xmits for conf-reqs */
407 {"ipxcp-max-failure", 1, setipxcpfails}, /* max #conf-naks for IPXCP */
409 {"ipx-compression", 1, setipxcompression}, /* IPX compression number */
411 {"ipx", 0, setipxproto}, /* Enable IPXCP (and IPX) */
412 {"+ipx", 0, setipxproto}, /* Enable IPXCP (and IPX) */
413 #endif /* IPX_CHANGE */
416 {"ms-lanman", 0, setmslanman}, /* Use LanMan psswd when using MS-CHAP */
423 #ifndef IMPLEMENTATION
424 #define IMPLEMENTATION ""
427 static char *usage_string = "\
428 pppd version %s patch level %d%s\n\
429 Usage: %s [ options ], where options are:\n\
430 <device> Communicate over the named device\n\
431 <speed> Set the baud rate to <speed>\n\
432 <loc>:<rem> Set the local and/or remote interface IP\n\
433 addresses. Either one may be omitted.\n\
434 asyncmap <n> Set the desired async map to hex <n>\n\
435 auth Require authentication from peer\n\
436 connect <p> Invoke shell command <p> to set up the serial line\n\
437 crtscts Use hardware RTS/CTS flow control\n\
438 defaultroute Add default route through interface\n\
439 file <f> Take options from file <f>\n\
440 modem Use modem control lines\n\
441 mru <n> Set MRU value to <n> for negotiation\n\
442 See pppd(8) for more options.\n\
445 static char *current_option; /* the name of the option being parsed */
446 static int privileged_option; /* set iff the current option came from root */
447 static char *option_source; /* string saying where the option came from */
450 * parse_args - parse a string of arguments from the command line.
453 parse_args(argc, argv)
461 privileged_option = privileged;
462 option_source = "command line";
468 * First see if it's a command.
470 for (cmdp = cmds; cmdp->cmd_name; cmdp++)
471 if (!strcmp(arg, cmdp->cmd_name))
474 if (cmdp->cmd_name != NULL) {
475 if (argc < cmdp->num_args) {
476 option_error("too few parameters for option %s", arg);
479 current_option = arg;
480 if (!(*cmdp->cmd_func)(argv))
482 argc -= cmdp->num_args;
483 argv += cmdp->num_args;
487 * Maybe a tty name, speed or IP address?
489 if ((ret = setdevname(arg, 0)) == 0
490 && (ret = setspeed(arg)) == 0
491 && (ret = setipaddr(arg)) == 0) {
492 option_error("unrecognized option '%s'", arg);
496 if (ret < 0) /* error */
504 * scan_args - scan the command line arguments to get the tty name,
508 scan_args(argc, argv)
519 /* Skip options and their arguments */
520 for (cmdp = cmds; cmdp->cmd_name; cmdp++)
521 if (!strcmp(arg, cmdp->cmd_name))
524 if (cmdp->cmd_name != NULL) {
525 argc -= cmdp->num_args;
526 argv += cmdp->num_args;
530 /* Check if it's a tty name and copy it if so */
531 (void) setdevname(arg, 1);
536 * usage - print out a message telling how to use the program.
541 if (phase == PHASE_INITIALIZE)
542 fprintf(stderr, usage_string, VERSION, PATCHLEVEL, IMPLEMENTATION,
547 * showhelp - print out usage message and exit.
553 if (phase == PHASE_INITIALIZE) {
561 * showversion - print out the version number and exit.
567 if (phase == PHASE_INITIALIZE) {
568 fprintf(stderr, "pppd version %s patch level %d%s\n",
569 VERSION, PATCHLEVEL, IMPLEMENTATION);
576 * options_from_file - Read a string of options from a file,
577 * and interpret them.
580 options_from_file(filename, must_exist, check_prot, priv)
591 char args[MAXARGS][MAXWORDLEN];
592 char cmd[MAXWORDLEN];
594 if ((f = fopen(filename, "r")) == NULL) {
595 if (!must_exist && errno == ENOENT)
597 option_error("Can't open options file %s: %m", filename);
600 if (check_prot && !readable(fileno(f))) {
601 option_error("Can't open options file %s: access denied", filename);
606 oldpriv = privileged_option;
607 privileged_option = priv;
609 while (getword(f, cmd, &newline, filename)) {
611 * First see if it's a command.
613 for (cmdp = cmds; cmdp->cmd_name; cmdp++)
614 if (!strcmp(cmd, cmdp->cmd_name))
617 if (cmdp->cmd_name != NULL) {
618 for (i = 0; i < cmdp->num_args; ++i) {
619 if (!getword(f, args[i], &newline, filename)) {
621 "In file %s: too few parameters for option '%s'",
627 current_option = cmd;
628 if (!(*cmdp->cmd_func)(argv))
633 * Maybe a tty name, speed or IP address?
635 if ((i = setdevname(cmd, 0)) == 0
636 && (i = setspeed(cmd)) == 0
637 && (i = setipaddr(cmd)) == 0) {
638 option_error("In file %s: unrecognized option '%s'",
642 if (i < 0) /* error */
650 privileged_option = oldpriv;
655 * options_from_user - See if the use has a ~/.ppprc file,
656 * and if so, interpret options from it.
661 char *user, *path, *file;
665 pw = getpwuid(getuid());
666 if (pw == NULL || (user = pw->pw_dir) == NULL || user[0] == 0)
668 file = _PATH_USEROPT;
669 path = malloc(strlen(user) + strlen(file) + 2);
671 novm("init file name");
675 ret = options_from_file(path, 0, 1, privileged);
681 * options_for_tty - See if an options file exists for the serial
682 * device, and if so, interpret options from it.
687 char *dev, *path, *p;
691 if (strncmp(dev, "/dev/", 5) == 0)
693 if (strcmp(dev, "tty") == 0)
694 return 1; /* don't look for /etc/ppp/options.tty */
695 path = malloc(strlen(_PATH_TTYOPT) + strlen(dev) + 1);
697 novm("tty init file name");
698 strcpy(path, _PATH_TTYOPT);
699 /* Turn slashes into dots, for Solaris case (e.g. /dev/term/a) */
700 for (p = path + strlen(path); *dev != 0; ++dev)
701 *p++ = (*dev == '/'? '.': *dev);
703 ret = options_from_file(path, 0, 0, 1);
709 * option_error - print a message about an error in an option.
710 * The message is logged, and also sent to
711 * stderr if phase == PHASE_INITIALIZE.
714 option_error __V((char *fmt, ...))
724 fmt = va_arg(args, char *);
726 vfmtmsg(buf, sizeof(buf), fmt, args);
728 if (phase == PHASE_INITIALIZE)
729 fprintf(stderr, "%s: %s\n", progname, buf);
730 syslog(LOG_ERR, "%s", buf);
734 * readable - check if a file is readable by the real user.
743 GIDSET_TYPE groups[NGROUPS_MAX];
748 if (fstat(fd, &sbuf) != 0)
750 if (sbuf.st_uid == uid)
751 return sbuf.st_mode & S_IRUSR;
752 if (sbuf.st_gid == getgid())
753 return sbuf.st_mode & S_IRGRP;
754 ngroups = getgroups(NGROUPS_MAX, groups);
755 for (i = 0; i < ngroups; ++i)
756 if (sbuf.st_gid == groups[i])
757 return sbuf.st_mode & S_IRGRP;
758 return sbuf.st_mode & S_IROTH;
762 * Read a word from a file.
763 * Words are delimited by white-space or by quotes (" or ').
764 * Quotes, white-space and \ may be escaped with \.
765 * \<newline> is ignored.
768 getword(f, word, newlinep, filename)
776 int value, digit, got, n;
778 #define isoctal(c) ((c) >= '0' && (c) < '8')
786 * First skip white-space and comments.
794 * A newline means the end of a comment; backslash-newline
795 * is ignored. Note that we cannot have escape && comment.
807 * Ignore characters other than newline in a comment.
813 * If this character is escaped, we have a word start.
819 * If this is the escape character, look at the next character.
827 * If this is the start of a comment, ignore the rest of the line.
835 * A non-whitespace character is the start of a word.
842 * Save the delimiter for quoted strings.
844 if (!escape && (c == '"' || c == '\'')) {
851 * Process characters until the end of the word.
856 * This character is escaped: backslash-newline is ignored,
857 * various other characters indicate particular values
858 * as for C backslash-escapes.
893 * \ddd octal sequence
896 for (n = 0; n < 3 && isoctal(c); ++n) {
897 value = (value << 3) + (c & 07);
906 * \x<hex_string> sequence
910 for (n = 0; n < 2 && isxdigit(c); ++n) {
911 digit = toupper(c) - '0';
913 digit += '0' + 10 - 'A';
914 value = (value << 4) + digit;
922 * Otherwise the character stands for itself.
929 * Store the resulting character for the escape sequence.
931 if (len < MAXWORDLEN-1)
942 * Not escaped: see if we've reached the end of the word.
948 if (isspace(c) || c == '#') {
955 * Backslash starts an escape sequence.
964 * An ordinary character: store it in the word and get another.
966 if (len < MAXWORDLEN-1)
974 * End of the word: check for errors.
980 option_error("Error reading %s: %m", filename);
984 * If len is zero, then we didn't find a word before the
992 * Warn if the word was too long, and append a terminating null.
994 if (len >= MAXWORDLEN) {
995 option_error("warning: word in file %s too long (%.20s...)",
997 len = MAXWORDLEN - 1;
1008 * number_option - parse an unsigned numeric parameter for an option.
1011 number_option(str, valp, base)
1018 *valp = strtoul(str, &ptr, base);
1020 option_error("invalid numeric parameter '%s' for %s option",
1021 str, current_option);
1029 * int_option - like number_option, but valp is int *,
1030 * the base is assumed to be 0, and *valp is not changed
1031 * if there is an error.
1034 int_option(str, valp)
1040 if (!number_option(str, &v, 0))
1048 * The following procedures parse options.
1052 * readfile - take commands from a file.
1058 return options_from_file(*argv, 1, 1, privileged_option);
1062 * callfile - take commands from /etc/ppp/peers/<name>.
1063 * Name may not contain /../, start with / or ../, or end in /..
1069 char *fname, *arg, *p;
1074 if (arg[0] == '/' || arg[0] == 0)
1077 for (p = arg; *p != 0; ) {
1078 if (p[0] == '.' && p[1] == '.' && (p[2] == '/' || p[2] == 0)) {
1082 while (*p != '/' && *p != 0)
1089 option_error("call option value may not contain .. or start with /");
1093 l = strlen(arg) + strlen(_PATH_PEERFILES) + 1;
1094 if ((fname = (char *) malloc(l)) == NULL)
1095 novm("call file name");
1096 strcpy(fname, _PATH_PEERFILES);
1099 ok = options_from_file(fname, 1, 1, 1);
1107 * setdebug - Set debug (command line argument).
1118 * setkdebug - Set kernel debugging level.
1124 return int_option(*argv, &kdebugflag);
1129 * setpdebug - Set libpcap debugging level.
1135 return int_option(*argv, &dflag);
1139 * setpassfilter - Set the pass filter for packets
1145 pc.linktype = DLT_PPP;
1146 pc.snapshot = PPP_HDRLEN;
1148 if (pcap_compile(&pc, &pass_filter, *argv, 1, netmask) == 0)
1150 option_error("error in pass-filter expression: %s\n", pcap_geterr(&pc));
1155 * setactivefilter - Set the active filter for packets
1158 setactivefilter(argv)
1161 pc.linktype = DLT_PPP;
1162 pc.snapshot = PPP_HDRLEN;
1164 if (pcap_compile(&pc, &active_filter, *argv, 1, netmask) == 0)
1166 option_error("error in active-filter expression: %s\n", pcap_geterr(&pc));
1172 * noopt - Disable all options.
1178 BZERO((char *) &lcp_wantoptions[0], sizeof (struct lcp_options));
1179 BZERO((char *) &lcp_allowoptions[0], sizeof (struct lcp_options));
1180 BZERO((char *) &ipcp_wantoptions[0], sizeof (struct ipcp_options));
1181 BZERO((char *) &ipcp_allowoptions[0], sizeof (struct ipcp_options));
1184 BZERO((char *) &ipxcp_wantoptions[0], sizeof (struct ipxcp_options));
1185 BZERO((char *) &ipxcp_allowoptions[0], sizeof (struct ipxcp_options));
1186 #endif /* IPX_CHANGE */
1192 * noaccomp - Disable Address/Control field compression negotiation.
1198 lcp_wantoptions[0].neg_accompression = 0;
1199 lcp_allowoptions[0].neg_accompression = 0;
1205 * noasyncmap - Disable async map negotiation.
1211 lcp_wantoptions[0].neg_asyncmap = 0;
1212 lcp_allowoptions[0].neg_asyncmap = 0;
1218 * noip - Disable IP and IPCP.
1224 ipcp_protent.enabled_flag = 0;
1230 * nomagicnumber - Disable magic number negotiation.
1236 lcp_wantoptions[0].neg_magicnumber = 0;
1237 lcp_allowoptions[0].neg_magicnumber = 0;
1243 * nomru - Disable mru negotiation.
1249 lcp_wantoptions[0].neg_mru = 0;
1250 lcp_allowoptions[0].neg_mru = 0;
1256 * setmru - Set MRU for negotiation.
1264 if (!number_option(*argv, &mru, 0))
1266 lcp_wantoptions[0].mru = mru;
1267 lcp_wantoptions[0].neg_mru = 1;
1273 * setmru - Set the largest MTU we'll use.
1281 if (!number_option(*argv, &mtu, 0))
1283 if (mtu < MINMRU || mtu > MAXMRU) {
1284 option_error("mtu option value of %u is too %s", mtu,
1285 (mtu < MINMRU? "small": "large"));
1288 lcp_allowoptions[0].mru = mtu;
1297 lcp_wantoptions[0].neg_cbcp = 1;
1298 cbcp_protent.enabled_flag = 1;
1299 cbcp[0].us_number = strdup(*argv);
1300 if (cbcp[0].us_number == 0)
1301 novm("callback number");
1302 cbcp[0].us_type |= (1 << CB_CONF_USER);
1303 cbcp[0].us_type |= (1 << CB_CONF_ADMIN);
1309 * nopcomp - Disable Protocol field compression negotiation.
1315 lcp_wantoptions[0].neg_pcompression = 0;
1316 lcp_allowoptions[0].neg_pcompression = 0;
1322 * setpassive - Set passive mode (don't give up if we time out sending
1323 * LCP configure-requests).
1329 lcp_wantoptions[0].passive = 1;
1335 * setsilent - Set silent mode (don't start sending LCP configure-requests
1336 * until we get one from the peer).
1342 lcp_wantoptions[0].silent = 1;
1348 * nopap - Disable PAP authentication with peer.
1360 * reqpap - Require PAP authentication from peer.
1366 lcp_wantoptions[0].neg_upap = 1;
1373 * setupapfile - specifies UPAP info for authenticating with peer.
1382 lcp_allowoptions[0].neg_upap = 1;
1384 /* open user info file */
1385 if ((ufile = fopen(*argv, "r")) == NULL) {
1386 option_error("unable to open user login data file %s", *argv);
1389 if (!readable(fileno(ufile))) {
1390 option_error("%s: access denied", *argv);
1393 check_access(ufile, *argv);
1396 if (fgets(user, MAXNAMELEN - 1, ufile) == NULL
1397 || fgets(passwd, MAXSECRETLEN - 1, ufile) == NULL){
1398 option_error("unable to read user login data file %s", *argv);
1403 /* get rid of newlines */
1405 if (l > 0 && user[l-1] == '\n')
1408 if (l > 0 && passwd[l-1] == '\n')
1416 * nochap - Disable CHAP authentication with peer.
1428 * reqchap - Require CHAP authentication from peer.
1434 lcp_wantoptions[0].neg_chap = 1;
1441 * setnovj - disable vj compression
1447 ipcp_wantoptions[0].neg_vj = 0;
1448 ipcp_allowoptions[0].neg_vj = 0;
1454 * setnovjccomp - disable VJ connection-ID compression
1460 ipcp_wantoptions[0].cflag = 0;
1461 ipcp_allowoptions[0].cflag = 0;
1467 * setvjslots - set maximum number of connection slots for VJ compression
1475 if (!int_option(*argv, &value))
1477 if (value < 2 || value > 16) {
1478 option_error("vj-max-slots value must be between 2 and 16");
1481 ipcp_wantoptions [0].maxslotindex =
1482 ipcp_allowoptions[0].maxslotindex = value - 1;
1488 * setconnector - Set a program to connect to a serial line
1494 connector = strdup(*argv);
1495 if (connector == NULL)
1496 novm("connect script");
1497 connector_info.priv = privileged_option;
1498 connector_info.source = option_source;
1504 * setdisconnector - Set a program to disconnect from the serial line
1507 setdisconnector(argv)
1510 disconnector = strdup(*argv);
1511 if (disconnector == NULL)
1512 novm("disconnect script");
1513 disconnector_info.priv = privileged_option;
1514 disconnector_info.source = option_source;
1520 * setwelcomer - Set a program to welcome a client after connection
1526 welcomer = strdup(*argv);
1527 if (welcomer == NULL)
1528 novm("welcome script");
1529 welcomer_info.priv = privileged_option;
1530 welcomer_info.source = option_source;
1536 * setmaxconnect - Set the maximum connect time
1544 if (!int_option(*argv, &value))
1547 option_error("maxconnect time must be positive");
1550 if (maxconnect > 0 && (value == 0 || value > maxconnect)) {
1551 option_error("maxconnect time cannot be increased");
1559 * setdomain - Set domain name to append to hostname
1565 if (!privileged_option) {
1566 option_error("using the domain option requires root privilege");
1569 gethostname(hostname, MAXNAMELEN);
1572 strncat(hostname, ".", MAXNAMELEN - strlen(hostname));
1573 strncat(hostname, *argv, MAXNAMELEN - strlen(hostname));
1575 hostname[MAXNAMELEN-1] = 0;
1581 * setasyncmap - add bits to asyncmap (what we request peer to escape).
1589 if (!number_option(*argv, &asyncmap, 16))
1591 lcp_wantoptions[0].asyncmap |= asyncmap;
1592 lcp_wantoptions[0].neg_asyncmap = 1;
1598 * setescape - add chars to the set we escape on transmission.
1610 n = strtol(p, &endp, 16);
1612 option_error("escape parameter contains invalid hex number '%s'",
1617 if (n < 0 || (0x20 <= n && n <= 0x3F) || n == 0x5E || n > 0xFF) {
1618 option_error("can't escape character 0x%x", n);
1621 xmit_accm[0][n >> 5] |= 1 << (n & 0x1F);
1622 while (*p == ',' || *p == ' ')
1630 * setspeed - Set the speed.
1639 spd = strtol(arg, &ptr, 0);
1640 if (ptr == arg || *ptr != 0 || spd == 0)
1648 * setdevname - Set the device name.
1651 setdevname(cp, quiet)
1655 struct stat statbuf;
1656 char dev[MAXPATHLEN];
1661 if (strncmp("/dev/", cp, 5) != 0) {
1662 strcpy(dev, "/dev/");
1663 strncat(dev, cp, MAXPATHLEN - 5);
1664 dev[MAXPATHLEN-1] = 0;
1669 * Check if there is a device by this name.
1671 if (stat(cp, &statbuf) < 0) {
1672 if (errno == ENOENT || quiet)
1674 option_error("Couldn't stat %s: %m", cp);
1678 (void) strncpy(devnam, cp, MAXPATHLEN);
1679 devnam[MAXPATHLEN-1] = 0;
1680 default_device = FALSE;
1681 devnam_info.priv = privileged_option;
1682 devnam_info.source = option_source;
1689 * setipaddr - Set the IP address
1697 u_int32_t local, remote;
1698 ipcp_options *wo = &ipcp_wantoptions[0];
1701 * IP address pair separated by ":".
1703 if ((colon = strchr(arg, ':')) == NULL)
1707 * If colon first character, then no local addr.
1711 if ((local = inet_addr(arg)) == -1) {
1712 if ((hp = gethostbyname(arg)) == NULL) {
1713 option_error("unknown host: %s", arg);
1716 local = *(u_int32_t *)hp->h_addr;
1719 if (bad_ip_adrs(local)) {
1720 option_error("bad local IP address %s", ip_ntoa(local));
1724 wo->ouraddr = local;
1729 * If colon last character, then no remote addr.
1731 if (*++colon != '\0') {
1732 if ((remote = inet_addr(colon)) == -1) {
1733 if ((hp = gethostbyname(colon)) == NULL) {
1734 option_error("unknown host: %s", colon);
1737 remote = *(u_int32_t *)hp->h_addr;
1738 if (remote_name[0] == 0) {
1739 strncpy(remote_name, colon, MAXNAMELEN);
1740 remote_name[MAXNAMELEN-1] = 0;
1744 if (bad_ip_adrs(remote)) {
1745 option_error("bad remote IP address %s", ip_ntoa(remote));
1749 wo->hisaddr = remote;
1757 * setnoipdflt - disable setipdefault()
1763 disable_defaultip = 1;
1769 * setipcpaccl - accept peer's idea of our address
1775 ipcp_wantoptions[0].accept_local = 1;
1781 * setipcpaccr - accept peer's idea of its address
1787 ipcp_wantoptions[0].accept_remote = 1;
1793 * setnetmask - set the netmask to be used on the interface.
1804 * Unfortunately, if we use inet_addr, we can't tell whether
1805 * a result of all 1s is an error or a valid 255.255.255.255.
1811 b = strtoul(p, &endp, 0);
1814 if (b < 0 || b > 255) {
1816 /* accept e.g. 0xffffff00 */
1822 mask |= b << (n * 8);
1824 if (*p != '.' || n == 0)
1831 if (*p != 0 || (netmask & ~mask) != 0) {
1832 option_error("invalid netmask value '%s'", *argv);
1860 lcp_wantoptions[0].asyncmap |= 0x000A0000; /* escape ^S and ^Q */
1861 lcp_wantoptions[0].neg_asyncmap = 1;
1917 setusehostname(argv)
1928 if (!privileged_option) {
1929 option_error("using the name option requires root privilege");
1932 strncpy(our_name, argv[0], MAXNAMELEN);
1933 our_name[MAXNAMELEN-1] = 0;
1941 strncpy(user, argv[0], MAXNAMELEN);
1942 user[MAXNAMELEN-1] = 0;
1950 strncpy(remote_name, argv[0], MAXNAMELEN);
1951 remote_name[MAXNAMELEN-1] = 0;
1960 if (privileged_option > auth_req_info.priv) {
1961 auth_req_info.priv = privileged_option;
1962 auth_req_info.source = option_source;
1971 if (auth_required && privileged_option < auth_req_info.priv) {
1972 option_error("cannot override auth option set by %s",
1973 auth_req_info.source);
1981 setdefaultroute(argv)
1984 if (!ipcp_allowoptions[0].default_route) {
1985 option_error("defaultroute option is disabled");
1988 ipcp_wantoptions[0].default_route = 1;
1993 setnodefaultroute(argv)
1996 ipcp_allowoptions[0].default_route = 0;
1997 ipcp_wantoptions[0].default_route = 0;
2005 if (!ipcp_allowoptions[0].proxy_arp) {
2006 option_error("proxyarp option is disabled");
2009 ipcp_wantoptions[0].proxy_arp = 1;
2017 ipcp_wantoptions[0].proxy_arp = 0;
2018 ipcp_allowoptions[0].proxy_arp = 0;
2047 * Functions to set the echo interval for modem-less monitors
2051 setlcpechointv(argv)
2054 return int_option(*argv, &lcp_echo_interval);
2058 setlcpechofails(argv)
2061 return int_option(*argv, &lcp_echo_fails);
2065 * Functions to set timeouts, max transmits, etc.
2071 return int_option(*argv, &lcp_fsm[0].timeouttime);
2078 return int_option(*argv, &lcp_fsm[0].maxtermtransmits);
2085 return int_option(*argv, &lcp_fsm[0].maxconfreqtransmits);
2092 return int_option(*argv, &lcp_fsm[0].maxnakloops);
2096 setipcptimeout(argv)
2099 return int_option(*argv, &ipcp_fsm[0].timeouttime);
2106 return int_option(*argv, &ipcp_fsm[0].maxtermtransmits);
2113 return int_option(*argv, &ipcp_fsm[0].maxconfreqtransmits);
2120 return int_option(*argv, &lcp_fsm[0].maxnakloops);
2127 return int_option(*argv, &upap[0].us_timeouttime);
2134 return int_option(*argv, &upap[0].us_reqtimeout);
2141 return int_option(*argv, &upap[0].us_maxtransmits);
2145 setchaptimeout(argv)
2148 return int_option(*argv, &chap[0].timeouttime);
2155 return int_option(*argv, &chap[0].max_transmits);
2162 return int_option(*argv, &chap[0].chal_interval);
2169 ccp_protent.enabled_flag = 0;
2181 abits = rbits = strtol(str, &endp, 0);
2182 if (endp != str && *endp == ',') {
2184 abits = strtol(str, &endp, 0);
2186 if (*endp != 0 || endp == str) {
2187 option_error("invalid parameter '%s' for bsdcomp option", *argv);
2190 if ((rbits != 0 && (rbits < BSD_MIN_BITS || rbits > BSD_MAX_BITS))
2191 || (abits != 0 && (abits < BSD_MIN_BITS || abits > BSD_MAX_BITS))) {
2192 option_error("bsdcomp option values must be 0 or %d .. %d",
2193 BSD_MIN_BITS, BSD_MAX_BITS);
2197 ccp_wantoptions[0].bsd_compress = 1;
2198 ccp_wantoptions[0].bsd_bits = rbits;
2200 ccp_wantoptions[0].bsd_compress = 0;
2202 ccp_allowoptions[0].bsd_compress = 1;
2203 ccp_allowoptions[0].bsd_bits = abits;
2205 ccp_allowoptions[0].bsd_compress = 0;
2213 ccp_wantoptions[0].bsd_compress = 0;
2214 ccp_allowoptions[0].bsd_compress = 0;
2226 abits = rbits = strtol(str, &endp, 0);
2227 if (endp != str && *endp == ',') {
2229 abits = strtol(str, &endp, 0);
2231 if (*endp != 0 || endp == str) {
2232 option_error("invalid parameter '%s' for deflate option", *argv);
2235 if ((rbits != 0 && (rbits < DEFLATE_MIN_SIZE || rbits > DEFLATE_MAX_SIZE))
2236 || (abits != 0 && (abits < DEFLATE_MIN_SIZE
2237 || abits > DEFLATE_MAX_SIZE))) {
2238 option_error("deflate option values must be 0 or %d .. %d",
2239 DEFLATE_MIN_SIZE, DEFLATE_MAX_SIZE);
2243 ccp_wantoptions[0].deflate = 1;
2244 ccp_wantoptions[0].deflate_size = rbits;
2246 ccp_wantoptions[0].deflate = 0;
2248 ccp_allowoptions[0].deflate = 1;
2249 ccp_allowoptions[0].deflate_size = abits;
2251 ccp_allowoptions[0].deflate = 0;
2259 ccp_wantoptions[0].deflate = 0;
2260 ccp_allowoptions[0].deflate = 0;
2265 setnodeflatedraft(argv)
2268 ccp_wantoptions[0].deflate_draft = 0;
2269 ccp_allowoptions[0].deflate_draft = 0;
2277 ccp_wantoptions[0].predictor_1 = 1;
2278 ccp_allowoptions[0].predictor_1 = 1;
2283 setnopred1comp(argv)
2286 ccp_wantoptions[0].predictor_1 = 0;
2287 ccp_allowoptions[0].predictor_1 = 0;
2295 ipparam = strdup(*argv);
2296 if (ipparam == NULL)
2297 novm("ipparam string");
2314 return int_option(*argv, &idle_time_limit);
2321 return int_option(*argv, &holdoff);
2325 * setdnsaddr - set the dns address(es)
2334 dns = inet_addr(*argv);
2336 if ((hp = gethostbyname(*argv)) == NULL) {
2337 option_error("invalid address parameter '%s' for ms-dns option",
2341 dns = *(u_int32_t *)hp->h_addr;
2344 /* if there is no primary then update it. */
2345 if (ipcp_allowoptions[0].dnsaddr[0] == 0)
2346 ipcp_allowoptions[0].dnsaddr[0] = dns;
2348 /* always set the secondary address value to the same value. */
2349 ipcp_allowoptions[0].dnsaddr[1] = dns;
2355 * setwinsaddr - set the wins address(es)
2356 * This is primrarly used with the Samba package under UNIX or for pointing
2357 * the caller to the existing WINS server on a Windows NT platform.
2366 wins = inet_addr(*argv);
2368 if ((hp = gethostbyname(*argv)) == NULL) {
2369 option_error("invalid address parameter '%s' for ms-wins option",
2373 wins = *(u_int32_t *)hp->h_addr;
2376 /* if there is no primary then update it. */
2377 if (ipcp_allowoptions[0].winsaddr[0] == 0)
2378 ipcp_allowoptions[0].winsaddr[0] = wins;
2380 /* always set the secondary address value to the same value. */
2381 ipcp_allowoptions[0].winsaddr[1] = wins;
2391 ipxcp_wantoptions[0].neg_router = 1;
2392 ipxcp_allowoptions[0].neg_router = 1;
2393 return int_option(*argv, &ipxcp_wantoptions[0].router);
2400 char *dest = ipxcp_wantoptions[0].name;
2405 ipxcp_wantoptions[0].neg_name = 1;
2406 ipxcp_allowoptions[0].neg_name = 1;
2407 memset (dest, '\0', sizeof (ipxcp_wantoptions[0].name));
2412 if (! isalnum (ch) && ch != '_') {
2413 option_error("IPX router name must be alphanumeric or _");
2417 if (count >= sizeof (ipxcp_wantoptions[0].name)) {
2418 option_error("IPX router name is limited to %d characters",
2419 sizeof (ipxcp_wantoptions[0].name) - 1);
2423 dest[count++] = toupper (ch);
2430 setipxcptimeout (argv)
2433 return int_option(*argv, &ipxcp_fsm[0].timeouttime);
2440 return int_option(*argv, &ipxcp_fsm[0].maxtermtransmits);
2447 return int_option(*argv, &ipxcp_fsm[0].maxconfreqtransmits);
2451 setipxcpfails (argv)
2454 return int_option(*argv, &ipxcp_fsm[0].maxnakloops);
2463 if (!number_option(*argv, &v, 16))
2466 ipxcp_wantoptions[0].our_network = (int) v;
2467 ipxcp_wantoptions[0].neg_nn = 1;
2475 ipxcp_wantoptions[0].accept_network = 1;
2476 ipxcp_allowoptions[0].accept_network = 1;
2484 ipxcp_wantoptions[0].accept_local = 1;
2485 ipxcp_allowoptions[0].accept_local = 1;
2493 ipxcp_wantoptions[0].accept_remote = 1;
2494 ipxcp_allowoptions[0].accept_remote = 1;
2499 setipxnodevalue(src,dst)
2506 if (!isxdigit (*src))
2509 for (indx = 0; indx < 5; ++indx) {
2511 dst[indx] |= (dst[indx + 1] >> 4) & 0x0F;
2514 item = toupper (*src) - '0';
2518 dst[5] = (dst[5] << 4) | item;
2530 memset (&ipxcp_wantoptions[0].our_node[0], 0, 6);
2531 memset (&ipxcp_wantoptions[0].his_node[0], 0, 6);
2533 end = setipxnodevalue (*argv, &ipxcp_wantoptions[0].our_node[0]);
2535 end = setipxnodevalue (++end, &ipxcp_wantoptions[0].his_node[0]);
2538 ipxcp_wantoptions[0].neg_node = 1;
2542 option_error("invalid parameter '%s' for ipx-node option", *argv);
2550 ipxcp_protent.enabled_flag = 1;
2558 ipxcp_protent.enabled_flag = 0;
2569 #endif /* IPX_CHANGE */