1/*-
2 * Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org>
3 * based on work by Toshiharu OHNO <tony-o@iij.ad.jp>
4 * Internet Initiative Japan, Inc (IIJ)
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: head/usr.sbin/ppp/command.c 79370 2001-07-06 23:45:32Z brian $
29 */
30
31#include <sys/param.h>
32#include <netinet/in_systm.h>
33#include <netinet/in.h>
34#include <netinet/ip.h>
35#include <arpa/inet.h>
36#include <sys/socket.h>
37#include <net/route.h>
38#include <netdb.h>
39#include <sys/un.h>
40
41#include <ctype.h>
42#include <errno.h>
43#include <fcntl.h>
44#include <paths.h>
45#include <stdio.h>
46#include <stdlib.h>
47#include <string.h>
48#include <sys/wait.h>
49#include <termios.h>
50#include <unistd.h>
51
52#ifndef NONAT
53#ifdef LOCALNAT
54#include "alias.h"
55#else
56#include <alias.h>
57#endif
58#endif
59
60#include "layer.h"
61#include "defs.h"
62#include "command.h"
63#include "mbuf.h"
64#include "log.h"
65#include "timer.h"
66#include "fsm.h"
67#include "iplist.h"
68#include "throughput.h"
69#include "slcompress.h"
70#include "lqr.h"
71#include "hdlc.h"
72#include "lcp.h"
73#include "ipcp.h"
74#ifndef NONAT
75#include "nat_cmd.h"
76#endif
77#include "systems.h"
78#include "filter.h"
79#include "descriptor.h"
80#include "main.h"
81#include "route.h"
82#include "ccp.h"
83#include "auth.h"
84#include "async.h"
85#include "link.h"
86#include "physical.h"
87#include "mp.h"
88#ifndef NORADIUS
89#include "radius.h"
90#endif
91#include "bundle.h"
92#include "server.h"
93#include "prompt.h"
94#include "chat.h"
95#include "chap.h"
96#include "cbcp.h"
97#include "datalink.h"
98#include "iface.h"
99#include "id.h"
100
101/* ``set'' values */
102#define VAR_AUTHKEY 0
103#define VAR_DIAL 1
104#define VAR_LOGIN 2
105#define VAR_AUTHNAME 3
106#define VAR_AUTOLOAD 4
107#define VAR_WINSIZE 5
108#define VAR_DEVICE 6
109#define VAR_ACCMAP 7
110#define VAR_MRRU 8
111#define VAR_MRU 9
112#define VAR_MTU 10
113#define VAR_OPENMODE 11
114#define VAR_PHONE 12
115#define VAR_HANGUP 13
116#define VAR_IDLETIMEOUT 14
117#define VAR_LQRPERIOD 15
118#define VAR_LCPRETRY 16
119#define VAR_CHAPRETRY 17
120#define VAR_PAPRETRY 18
121#define VAR_CCPRETRY 19
122#define VAR_IPCPRETRY 20
123#define VAR_DNS 21
124#define VAR_NBNS 22
125#define VAR_MODE 23
126#define VAR_CALLBACK 24
127#define VAR_CBCP 25
128#define VAR_CHOKED 26
129#define VAR_SENDPIPE 27
130#define VAR_RECVPIPE 28
131#define VAR_RADIUS 29
132#define VAR_CD 30
133#define VAR_PARITY 31
134#define VAR_CRTSCTS 32
135#define VAR_URGENTPORTS 33
136#define VAR_LOGOUT 34
137#define VAR_IFQUEUE 35
138#define VAR_MPPE 36
139
140/* ``accept|deny|disable|enable'' masks */
141#define NEG_HISMASK (1)
142#define NEG_MYMASK (2)
143
144/* ``accept|deny|disable|enable'' values */
145#define NEG_ACFCOMP 40
146#define NEG_CHAP05 41
147#define NEG_CHAP80 42
148#define NEG_CHAP80LM 43
149#define NEG_DEFLATE 44
150#define NEG_DNS 45
151#define NEG_ENDDISC 46
152#define NEG_LQR 47
153#define NEG_PAP 48
154#define NEG_PPPDDEFLATE 49
155#define NEG_PRED1 50
156#define NEG_PROTOCOMP 51
157#define NEG_SHORTSEQ 52
158#define NEG_VJCOMP 53
159#define NEG_MPPE 54
160#define NEG_CHAP81 55
161
162const char Version[] = "2.3.2";
163
164static int ShowCommand(struct cmdargs const *);
165static int TerminalCommand(struct cmdargs const *);
166static int QuitCommand(struct cmdargs const *);
167static int OpenCommand(struct cmdargs const *);
168static int CloseCommand(struct cmdargs const *);
169static int DownCommand(struct cmdargs const *);
170static int SetCommand(struct cmdargs const *);
171static int LinkCommand(struct cmdargs const *);
172static int AddCommand(struct cmdargs const *);
173static int DeleteCommand(struct cmdargs const *);
174static int NegotiateCommand(struct cmdargs const *);
175static int ClearCommand(struct cmdargs const *);
176static int RunListCommand(struct cmdargs const *);
177static int IfaceAddCommand(struct cmdargs const *);
178static int IfaceDeleteCommand(struct cmdargs const *);
179static int IfaceClearCommand(struct cmdargs const *);
180static int SetProcTitle(struct cmdargs const *);
181#ifndef NONAT
182static int NatEnable(struct cmdargs const *);
183static int NatOption(struct cmdargs const *);
184#endif
185
186static const char *
187showcx(struct cmdtab const *cmd)
188{
189 if (cmd->lauth & LOCAL_CX)
190 return "(c)";
191 else if (cmd->lauth & LOCAL_CX_OPT)
192 return "(o)";
193
194 return "";
195}
196
197static int
198HelpCommand(struct cmdargs const *arg)
199{
200 struct cmdtab const *cmd;
201 int n, cmax, dmax, cols, cxlen;
202 const char *cx;
203
204 if (!arg->prompt) {
205 log_Printf(LogWARN, "help: Cannot help without a prompt\n");
206 return 0;
207 }
208
209 if (arg->argc > arg->argn) {
210 for (cmd = arg->cmdtab; cmd->name || cmd->alias; cmd++)
211 if ((cmd->lauth & arg->prompt->auth) &&
212 ((cmd->name && !strcasecmp(cmd->name, arg->argv[arg->argn])) ||
213 (cmd->alias && !strcasecmp(cmd->alias, arg->argv[arg->argn])))) {
214 prompt_Printf(arg->prompt, "%s %s\n", cmd->syntax, showcx(cmd));
215 return 0;
216 }
217 return -1;
218 }
219
220 cmax = dmax = 0;
221 for (cmd = arg->cmdtab; cmd->func; cmd++)
222 if (cmd->name && (cmd->lauth & arg->prompt->auth)) {
223 if ((n = strlen(cmd->name) + strlen(showcx(cmd))) > cmax)
224 cmax = n;
225 if ((n = strlen(cmd->helpmes)) > dmax)
226 dmax = n;
227 }
228
229 cols = 80 / (dmax + cmax + 3);
230 n = 0;
231 prompt_Printf(arg->prompt, "(o) = Optional context,"
232 " (c) = Context required\n");
233 for (cmd = arg->cmdtab; cmd->func; cmd++)
234 if (cmd->name && (cmd->lauth & arg->prompt->auth)) {
235 cx = showcx(cmd);
236 cxlen = cmax - strlen(cmd->name);
237 if (n % cols != 0)
238 prompt_Printf(arg->prompt, " ");
239 prompt_Printf(arg->prompt, "%s%-*.*s: %-*.*s",
240 cmd->name, cxlen, cxlen, cx, dmax, dmax, cmd->helpmes);
241 if (++n % cols == 0)
242 prompt_Printf(arg->prompt, "\n");
243 }
244 if (n % cols != 0)
245 prompt_Printf(arg->prompt, "\n");
246
247 return 0;
248}
249
250static int
251IdentCommand(struct cmdargs const *arg)
252{
253 int f, pos;
254
255 *arg->cx->physical->link.lcp.cfg.ident = '\0';
256
257 for (pos = 0, f = arg->argn; f < arg->argc; f++)
258 pos += snprintf(arg->cx->physical->link.lcp.cfg.ident + pos,
259 sizeof arg->cx->physical->link.lcp.cfg.ident - pos, "%s%s",
260 f == arg->argn ? "" : " ", arg->argv[f]);
261
262 return 0;
263}
264
265static int
266SendIdentification(struct cmdargs const *arg)
267{
268 if (arg->cx->state < DATALINK_LCP) {
269 log_Printf(LogWARN, "sendident: link has not reached LCP\n");
270 return 2;
271 }
272 return lcp_SendIdentification(&arg->cx->physical->link.lcp) ? 0 : 1;
273}
274
275static int
276CloneCommand(struct cmdargs const *arg)
277{
278 char namelist[LINE_LEN];
279 char *name;
280 int f;
281
282 if (arg->argc == arg->argn)
283 return -1;
284
285 namelist[sizeof namelist - 1] = '\0';
286 for (f = arg->argn; f < arg->argc; f++) {
287 strncpy(namelist, arg->argv[f], sizeof namelist - 1);
288 for(name = strtok(namelist, ", "); name; name = strtok(NULL,", "))
289 bundle_DatalinkClone(arg->bundle, arg->cx, name);
290 }
291
292 return 0;
293}
294
295static int
296RemoveCommand(struct cmdargs const *arg)
297{
298 if (arg->argc != arg->argn)
299 return -1;
300
301 if (arg->cx->state != DATALINK_CLOSED) {
302 log_Printf(LogWARN, "remove: Cannot delete links that aren't closed\n");
303 return 2;
304 }
305
306 bundle_DatalinkRemove(arg->bundle, arg->cx);
307 return 0;
308}
309
310static int
311RenameCommand(struct cmdargs const *arg)
312{
313 if (arg->argc != arg->argn + 1)
314 return -1;
315
316 if (bundle_RenameDatalink(arg->bundle, arg->cx, arg->argv[arg->argn]))
317 return 0;
318
319 log_Printf(LogWARN, "%s -> %s: target name already exists\n",
320 arg->cx->name, arg->argv[arg->argn]);
321 return 1;
322}
323
324int
325LoadCommand(struct cmdargs const *arg)
326{
327 const char *err;
328 int n, mode;
329
330 mode = arg->bundle->phys_type.all;
331
332 if (arg->argn < arg->argc) {
333 for (n = arg->argn; n < arg->argc; n++)
334 if ((err = system_IsValid(arg->argv[n], arg->prompt, mode)) != NULL) {
335 log_Printf(LogWARN, "%s: %s\n", arg->argv[n], err);
336 return 1;
337 }
338
339 for (n = arg->argn; n < arg->argc; n++) {
340 bundle_SetLabel(arg->bundle, arg->argv[arg->argc - 1]);
341 system_Select(arg->bundle, arg->argv[n], CONFFILE, arg->prompt, arg->cx);
342 }
343 bundle_SetLabel(arg->bundle, arg->argv[arg->argc - 1]);
344 } else if ((err = system_IsValid("default", arg->prompt, mode)) != NULL) {
345 log_Printf(LogWARN, "default: %s\n", err);
346 return 1;
347 } else {
348 bundle_SetLabel(arg->bundle, "default");
349 system_Select(arg->bundle, "default", CONFFILE, arg->prompt, arg->cx);
350 bundle_SetLabel(arg->bundle, "default");
351 }
352
353 return 0;
354}
355
356int
357SaveCommand(struct cmdargs const *arg)
358{
359 log_Printf(LogWARN, "save command is not implemented (yet).\n");
360 return 1;
361}
362
363static int
364DialCommand(struct cmdargs const *arg)
365{
366 int res;
367
368 if ((arg->cx && !(arg->cx->physical->type & (PHYS_INTERACTIVE|PHYS_AUTO)))
369 || (!arg->cx &&
370 (arg->bundle->phys_type.all & ~(PHYS_INTERACTIVE|PHYS_AUTO)))) {
371 log_Printf(LogWARN, "Manual dial is only available for auto and"
372 " interactive links\n");
373 return 1;
374 }
375
376 if (arg->argc > arg->argn && (res = LoadCommand(arg)) != 0)
377 return res;
378
379 bundle_Open(arg->bundle, arg->cx ? arg->cx->name : NULL, PHYS_ALL, 1);
380
381 return 0;
382}
383
384#define isinword(ch) (isalnum(ch) || (ch) == '_')
385
386static char *
387strstrword(char *big, const char *little)
388{
389 /* Get the first occurance of the word ``little'' in ``big'' */
390 char *pos;
391 int len;
392
393 pos = big;
394 len = strlen(little);
395
396 while ((pos = strstr(pos, little)) != NULL)
397 if ((pos != big && isinword(pos[-1])) || isinword(pos[len]))
398 pos++;
399 else if (pos != big && pos[-1] == '\\')
400 memmove(pos - 1, pos, strlen(pos) + 1);
401 else
402 break;
403
404 return pos;
405}
406
407static char *
408subst(char *tgt, const char *oldstr, const char *newstr)
409{
410 /* tgt is a malloc()d area... realloc() as necessary */
411 char *word, *ntgt;
412 int ltgt, loldstr, lnewstr, pos;
413
414 if ((word = strstrword(tgt, oldstr)) == NULL)
415 return tgt;
416
417 ltgt = strlen(tgt) + 1;
418 loldstr = strlen(oldstr);
419 lnewstr = strlen(newstr);
420 do {
421 pos = word - tgt;
422 if (loldstr > lnewstr)
423 bcopy(word + loldstr, word + lnewstr, ltgt - pos - loldstr);
424 if (loldstr != lnewstr) {
425 ntgt = realloc(tgt, ltgt += lnewstr - loldstr);
426 if (ntgt == NULL)
427 break; /* Oh wonderful ! */
428 word = ntgt + pos;
429 tgt = ntgt;
430 }
431 if (lnewstr > loldstr)
432 bcopy(word + loldstr, word + lnewstr, ltgt - pos - loldstr);
433 bcopy(newstr, word, lnewstr);
434 } while ((word = strstrword(word, oldstr)));
435
436 return tgt;
437}
438
439void
440command_Expand(char **nargv, int argc, char const *const *oargv,
441 struct bundle *bundle, int inc0, pid_t pid)
442{
443 int arg;
444 char pidstr[12];
445
446 if (inc0)
447 arg = 0; /* Start at arg 0 */
448 else {
449 nargv[0] = strdup(oargv[0]);
450 arg = 1;
451 }
452 snprintf(pidstr, sizeof pidstr, "%d", (int)pid);
453 for (; arg < argc; arg++) {
454 nargv[arg] = strdup(oargv[arg]);
455 nargv[arg] = subst(nargv[arg], "HISADDR",
456 inet_ntoa(bundle->ncp.ipcp.peer_ip));
457 nargv[arg] = subst(nargv[arg], "AUTHNAME", bundle->cfg.auth.name);
458 nargv[arg] = subst(nargv[arg], "INTERFACE", bundle->iface->name);
459 nargv[arg] = subst(nargv[arg], "MYADDR", inet_ntoa(bundle->ncp.ipcp.my_ip));
460 nargv[arg] = subst(nargv[arg], "USER", bundle->ncp.mp.peer.authname);
461 nargv[arg] = subst(nargv[arg], "PEER_ENDDISC",
462 mp_Enddisc(bundle->ncp.mp.peer.enddisc.class,
463 bundle->ncp.mp.peer.enddisc.address,
464 bundle->ncp.mp.peer.enddisc.len));
465 nargv[arg] = subst(nargv[arg], "ENDDISC",
466 mp_Enddisc(bundle->ncp.mp.cfg.enddisc.class,
467 bundle->ncp.mp.cfg.enddisc.address,
468 bundle->ncp.mp.cfg.enddisc.len));
469 nargv[arg] = subst(nargv[arg], "PROCESSID", pidstr);
470 nargv[arg] = subst(nargv[arg], "LABEL", bundle_GetLabel(bundle));
471 nargv[arg] = subst(nargv[arg], "DNS0",
472 inet_ntoa(bundle->ncp.ipcp.ns.dns[0]));
473 nargv[arg] = subst(nargv[arg], "DNS1",
474 inet_ntoa(bundle->ncp.ipcp.ns.dns[1]));
475 nargv[arg] = subst(nargv[arg], "VERSION", Version);
476 nargv[arg] = subst(nargv[arg], "COMPILATIONDATE", __DATE__);
477 }
478 nargv[arg] = NULL;
479}
480
481static int
482ShellCommand(struct cmdargs const *arg, int bg)
483{
484 const char *shell;
485 pid_t shpid, pid;
486
487#ifdef SHELL_ONLY_INTERACTIVELY
488 /* we're only allowed to shell when we run ppp interactively */
489 if (arg->prompt && arg->prompt->owner) {
490 log_Printf(LogWARN, "Can't start a shell from a network connection\n");
491 return 1;
492 }
493#endif
494
495 if (arg->argc == arg->argn) {
496 if (!arg->prompt) {
497 log_Printf(LogWARN, "Can't start an interactive shell from"
498 " a config file\n");
499 return 1;
500 } else if (arg->prompt->owner) {
501 log_Printf(LogWARN, "Can't start an interactive shell from"
502 " a socket connection\n");
503 return 1;
504 } else if (bg) {
505 log_Printf(LogWARN, "Can only start an interactive shell in"
506 " the foreground mode\n");
507 return 1;
508 }
509 }
510
511 pid = getpid();
512 if ((shpid = fork()) == 0) {
513 int i, fd;
514
515 if ((shell = getenv("SHELL")) == 0)
516 shell = _PATH_BSHELL;
517
518 timer_TermService();
519
520 if (arg->prompt)
521 fd = arg->prompt->fd_out;
522 else if ((fd = open(_PATH_DEVNULL, O_RDWR)) == -1) {
523 log_Printf(LogALERT, "Failed to open %s: %s\n",
524 _PATH_DEVNULL, strerror(errno));
525 exit(1);
526 }
527 dup2(fd, STDIN_FILENO);
528 dup2(fd, STDOUT_FILENO);
529 dup2(fd, STDERR_FILENO);
530 for (i = getdtablesize(); i > STDERR_FILENO; i--)
531 fcntl(i, F_SETFD, 1);
532
533#ifndef NOSUID
534 setuid(ID0realuid());
535#endif
536 if (arg->argc > arg->argn) {
537 /* substitute pseudo args */
538 char *argv[MAXARGS];
539 int argc = arg->argc - arg->argn;
540
541 if (argc >= sizeof argv / sizeof argv[0]) {
542 argc = sizeof argv / sizeof argv[0] - 1;
543 log_Printf(LogWARN, "Truncating shell command to %d args\n", argc);
544 }
545 command_Expand(argv, argc, arg->argv + arg->argn, arg->bundle, 0, pid);
546 if (bg) {
547 pid_t p;
548
549 p = getpid();
550 if (daemon(1, 1) == -1) {
551 log_Printf(LogERROR, "%d: daemon: %s\n", (int)p, strerror(errno));
552 exit(1);
553 }
554 } else if (arg->prompt)
555 printf("ppp: Pausing until %s finishes\n", arg->argv[arg->argn]);
556 execvp(argv[0], argv);
557 } else {
558 if (arg->prompt)
559 printf("ppp: Pausing until %s finishes\n", shell);
560 prompt_TtyOldMode(arg->prompt);
561 execl(shell, shell, NULL);
562 }
563
564 log_Printf(LogWARN, "exec() of %s failed: %s\n",
565 arg->argc > arg->argn ? arg->argv[arg->argn] : shell,
566 strerror(errno));
567 _exit(255);
568 }
569
570 if (shpid == (pid_t) - 1)
571 log_Printf(LogERROR, "Fork failed: %s\n", strerror(errno));
572 else {
573 int status;
574 waitpid(shpid, &status, 0);
575 }
576
577 if (arg->prompt && !arg->prompt->owner)
578 prompt_TtyCommandMode(arg->prompt);
579
580 return 0;
581}
582
583static int
584BgShellCommand(struct cmdargs const *arg)
585{
586 if (arg->argc == arg->argn)
587 return -1;
588 return ShellCommand(arg, 1);
589}
590
591static int
592FgShellCommand(struct cmdargs const *arg)
593{
594 return ShellCommand(arg, 0);
595}
596
597static int
598ResolvCommand(struct cmdargs const *arg)
599{
600 if (arg->argc == arg->argn + 1) {
601 if (!strcasecmp(arg->argv[arg->argn], "reload"))
602 ipcp_LoadDNS(&arg->bundle->ncp.ipcp);
603 else if (!strcasecmp(arg->argv[arg->argn], "restore"))
604 ipcp_RestoreDNS(&arg->bundle->ncp.ipcp);
605 else if (!strcasecmp(arg->argv[arg->argn], "rewrite"))
606 ipcp_WriteDNS(&arg->bundle->ncp.ipcp);
607 else if (!strcasecmp(arg->argv[arg->argn], "readonly"))
608 arg->bundle->ncp.ipcp.ns.writable = 0;
609 else if (!strcasecmp(arg->argv[arg->argn], "writable"))
610 arg->bundle->ncp.ipcp.ns.writable = 1;
611 else
612 return -1;
613
614 return 0;
615 }
616
617 return -1;
618}
619
620#ifndef NONAT
621static struct cmdtab const NatCommands[] =
622{
623 {"addr", NULL, nat_RedirectAddr, LOCAL_AUTH,
624 "static address translation", "nat addr [addr_local addr_alias]"},
625 {"deny_incoming", NULL, NatOption, LOCAL_AUTH,
626 "stop incoming connections", "nat deny_incoming yes|no",
627 (const void *) PKT_ALIAS_DENY_INCOMING},
628 {"enable", NULL, NatEnable, LOCAL_AUTH,
629 "enable NAT", "nat enable yes|no"},
630 {"log", NULL, NatOption, LOCAL_AUTH,
631 "log NAT link creation", "nat log yes|no",
632 (const void *) PKT_ALIAS_LOG},
633 {"port", NULL, nat_RedirectPort, LOCAL_AUTH, "port redirection",
634 "nat port proto localaddr:port[-port] aliasport[-aliasport]"},
635 {"proxy", NULL, nat_ProxyRule, LOCAL_AUTH,
636 "proxy control", "nat proxy server host[:port] ..."},
637 {"same_ports", NULL, NatOption, LOCAL_AUTH,
638 "try to leave port numbers unchanged", "nat same_ports yes|no",
639 (const void *) PKT_ALIAS_SAME_PORTS},
640 {"target", NULL, nat_SetTarget, LOCAL_AUTH,
641 "Default address for incoming connections", "nat target addr" },
642 {"unregistered_only", NULL, NatOption, LOCAL_AUTH,
643 "translate unregistered (private) IP address space only",
644 "nat unregistered_only yes|no",
645 (const void *) PKT_ALIAS_UNREGISTERED_ONLY},
646 {"use_sockets", NULL, NatOption, LOCAL_AUTH,
647 "allocate host sockets", "nat use_sockets yes|no",
648 (const void *) PKT_ALIAS_USE_SOCKETS},
649 {"help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
650 "Display this message", "nat help|? [command]", NatCommands},
651 {NULL, NULL, NULL},
652};
653#endif
654
655static struct cmdtab const AllowCommands[] = {
656 {"modes", "mode", AllowModes, LOCAL_AUTH,
657 "Only allow certain ppp modes", "allow modes mode..."},
658 {"users", "user", AllowUsers, LOCAL_AUTH,
659 "Only allow ppp access to certain users", "allow users logname..."},
660 {"help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
661 "Display this message", "allow help|? [command]", AllowCommands},
662 {NULL, NULL, NULL},
663};
664
665static struct cmdtab const IfaceCommands[] =
666{
667 {"add", NULL, IfaceAddCommand, LOCAL_AUTH,
668 "Add iface address", "iface add addr[/bits| mask] peer", NULL},
669 {NULL, "add!", IfaceAddCommand, LOCAL_AUTH,
670 "Add or change an iface address", "iface add! addr[/bits| mask] peer",
671 (void *)1},
672 {"clear", NULL, IfaceClearCommand, LOCAL_AUTH,
673 "Clear iface address(es)", "iface clear"},
674 {"delete", "rm", IfaceDeleteCommand, LOCAL_AUTH,
675 "Delete iface address", "iface delete addr", NULL},
676 {NULL, "rm!", IfaceDeleteCommand, LOCAL_AUTH,
677 "Delete iface address", "iface delete addr", (void *)1},
678 {NULL, "delete!", IfaceDeleteCommand, LOCAL_AUTH,
679 "Delete iface address", "iface delete addr", (void *)1},
680 {"show", NULL, iface_Show, LOCAL_AUTH,
681 "Show iface address(es)", "iface show"},
682 {"help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
683 "Display this message", "nat help|? [command]", IfaceCommands},
684 {NULL, NULL, NULL},
685};
686
687static struct cmdtab const Commands[] = {
688 {"accept", NULL, NegotiateCommand, LOCAL_AUTH | LOCAL_CX_OPT,
689 "accept option request", "accept option .."},
690 {"add", NULL, AddCommand, LOCAL_AUTH,
691 "add route", "add dest mask gateway", NULL},
692 {NULL, "add!", AddCommand, LOCAL_AUTH,
693 "add or change route", "add! dest mask gateway", (void *)1},
694 {"allow", "auth", RunListCommand, LOCAL_AUTH,
695 "Allow ppp access", "allow users|modes ....", AllowCommands},
696 {"bg", "!bg", BgShellCommand, LOCAL_AUTH,
697 "Run a background command", "[!]bg command"},
698 {"clear", NULL, ClearCommand, LOCAL_AUTH | LOCAL_CX_OPT,
699 "Clear throughput statistics",
700 "clear ipcp|physical [current|overall|peak]..."},
701 {"clone", NULL, CloneCommand, LOCAL_AUTH | LOCAL_CX,
702 "Clone a link", "clone newname..."},
703 {"close", NULL, CloseCommand, LOCAL_AUTH | LOCAL_CX_OPT,
704 "Close an FSM", "close [lcp|ccp]"},
705 {"delete", NULL, DeleteCommand, LOCAL_AUTH,
706 "delete route", "delete dest", NULL},
707 {NULL, "delete!", DeleteCommand, LOCAL_AUTH,
708 "delete a route if it exists", "delete! dest", (void *)1},
709 {"deny", NULL, NegotiateCommand, LOCAL_AUTH | LOCAL_CX_OPT,
710 "Deny option request", "deny option .."},
711 {"dial", "call", DialCommand, LOCAL_AUTH | LOCAL_CX_OPT,
712 "Dial and login", "dial|call [system ...]", NULL},
713 {"disable", NULL, NegotiateCommand, LOCAL_AUTH | LOCAL_CX_OPT,
714 "Disable option", "disable option .."},
715 {"down", NULL, DownCommand, LOCAL_AUTH | LOCAL_CX_OPT,
716 "Generate a down event", "down [ccp|lcp]"},
717 {"enable", NULL, NegotiateCommand, LOCAL_AUTH | LOCAL_CX_OPT,
718 "Enable option", "enable option .."},
719 {"ident", NULL, IdentCommand, LOCAL_AUTH | LOCAL_CX,
720 "Set the link identity", "ident text..."},
721 {"iface", "interface", RunListCommand, LOCAL_AUTH,
722 "interface control", "iface option ...", IfaceCommands},
723 {"link", "datalink", LinkCommand, LOCAL_AUTH,
724 "Link specific commands", "link name command ..."},
725 {"load", NULL, LoadCommand, LOCAL_AUTH | LOCAL_CX_OPT,
726 "Load settings", "load [system ...]"},
727#ifndef NONAT
728 {"nat", "alias", RunListCommand, LOCAL_AUTH,
729 "NAT control", "nat option yes|no", NatCommands},
730#endif
731 {"open", NULL, OpenCommand, LOCAL_AUTH | LOCAL_CX_OPT,
732 "Open an FSM", "open! [lcp|ccp|ipcp]", (void *)1},
733 {"passwd", NULL, PasswdCommand, LOCAL_NO_AUTH,
734 "Password for manipulation", "passwd LocalPassword"},
735 {"quit", "bye", QuitCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
736 "Quit PPP program", "quit|bye [all]"},
737 {"remove", "rm", RemoveCommand, LOCAL_AUTH | LOCAL_CX,
738 "Remove a link", "remove"},
739 {"rename", "mv", RenameCommand, LOCAL_AUTH | LOCAL_CX,
740 "Rename a link", "rename name"},
741 {"resolv", NULL, ResolvCommand, LOCAL_AUTH,
742 "Manipulate resolv.conf", "resolv readonly|reload|restore|rewrite|writable"},
743 {"save", NULL, SaveCommand, LOCAL_AUTH,
744 "Save settings", "save"},
745 {"sendident", NULL, SendIdentification, LOCAL_AUTH | LOCAL_CX,
746 "Transmit the link identity", "sendident"},
747 {"set", "setup", SetCommand, LOCAL_AUTH | LOCAL_CX_OPT,
748 "Set parameters", "set[up] var value"},
749 {"shell", "!", FgShellCommand, LOCAL_AUTH,
750 "Run a subshell", "shell|! [sh command]"},
751 {"show", NULL, ShowCommand, LOCAL_AUTH | LOCAL_CX_OPT,
752 "Show status and stats", "show var"},
753 {"term", NULL, TerminalCommand, LOCAL_AUTH | LOCAL_CX,
754 "Enter terminal mode", "term"},
755 {"help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
756 "Display this message", "help|? [command]", Commands},
757 {NULL, NULL, NULL},
758};
759
760static int
761ShowEscape(struct cmdargs const *arg)
762{
763 if (arg->cx->physical->async.cfg.EscMap[32]) {
764 int code, bit;
765 const char *sep = "";
766
767 for (code = 0; code < 32; code++)
768 if (arg->cx->physical->async.cfg.EscMap[code])
769 for (bit = 0; bit < 8; bit++)
770 if (arg->cx->physical->async.cfg.EscMap[code] & (1 << bit)) {
771 prompt_Printf(arg->prompt, "%s0x%02x", sep, (code << 3) + bit);
772 sep = ", ";
773 }
774 prompt_Printf(arg->prompt, "\n");
775 }
776 return 0;
777}
778
779static int
780ShowTimerList(struct cmdargs const *arg)
781{
782 timer_Show(0, arg->prompt);
783 return 0;
784}
785
786static int
787ShowStopped(struct cmdargs const *arg)
788{
789 prompt_Printf(arg->prompt, " Stopped Timer: LCP: ");
790 if (!arg->cx->physical->link.lcp.fsm.StoppedTimer.load)
791 prompt_Printf(arg->prompt, "Disabled");
792 else
793 prompt_Printf(arg->prompt, "%ld secs",
794 arg->cx->physical->link.lcp.fsm.StoppedTimer.load / SECTICKS);
795
796 prompt_Printf(arg->prompt, ", CCP: ");
797 if (!arg->cx->physical->link.ccp.fsm.StoppedTimer.load)
798 prompt_Printf(arg->prompt, "Disabled");
799 else
800 prompt_Printf(arg->prompt, "%ld secs",
801 arg->cx->physical->link.ccp.fsm.StoppedTimer.load / SECTICKS);
802
803 prompt_Printf(arg->prompt, "\n");
804
805 return 0;
806}
807
808static int
809ShowVersion(struct cmdargs const *arg)
810{
811 prompt_Printf(arg->prompt, "PPP Version %s - %s\n", Version, __DATE__);
812 return 0;
813}
814
815static int
816ShowProtocolStats(struct cmdargs const *arg)
817{
818 struct link *l = command_ChooseLink(arg);
819
820 prompt_Printf(arg->prompt, "%s:\n", l->name);
821 link_ReportProtocolStatus(l, arg->prompt);
822 return 0;
823}
824
825static struct cmdtab const ShowCommands[] = {
826 {"bundle", NULL, bundle_ShowStatus, LOCAL_AUTH,
827 "bundle details", "show bundle"},
828 {"ccp", NULL, ccp_ReportStatus, LOCAL_AUTH | LOCAL_CX_OPT,
829 "CCP status", "show cpp"},
830 {"compress", NULL, sl_Show, LOCAL_AUTH,
831 "VJ compression stats", "show compress"},
832 {"escape", NULL, ShowEscape, LOCAL_AUTH | LOCAL_CX,
833 "escape characters", "show escape"},
834 {"filter", NULL, filter_Show, LOCAL_AUTH,
835 "packet filters", "show filter [in|out|dial|alive]"},
836 {"hdlc", NULL, hdlc_ReportStatus, LOCAL_AUTH | LOCAL_CX,
837 "HDLC errors", "show hdlc"},
838 {"iface", "interface", iface_Show, LOCAL_AUTH,
839 "Interface status", "show iface"},
840 {"ipcp", NULL, ipcp_Show, LOCAL_AUTH,
841 "IPCP status", "show ipcp"},
842 {"layers", NULL, link_ShowLayers, LOCAL_AUTH | LOCAL_CX_OPT,
843 "Protocol layers", "show layers"},
844 {"lcp", NULL, lcp_ReportStatus, LOCAL_AUTH | LOCAL_CX,
845 "LCP status", "show lcp"},
846 {"link", "datalink", datalink_Show, LOCAL_AUTH | LOCAL_CX,
847 "(high-level) link info", "show link"},
848 {"links", NULL, bundle_ShowLinks, LOCAL_AUTH,
849 "available link names", "show links"},
850 {"log", NULL, log_ShowLevel, LOCAL_AUTH,
851 "log levels", "show log"},
852 {"mem", NULL, mbuf_Show, LOCAL_AUTH,
853 "mbuf allocations", "show mem"},
854 {"physical", NULL, physical_ShowStatus, LOCAL_AUTH | LOCAL_CX,
855 "(low-level) link info", "show physical"},
856 {"mp", "multilink", mp_ShowStatus, LOCAL_AUTH,
857 "multilink setup", "show mp"},
858 {"proto", NULL, ShowProtocolStats, LOCAL_AUTH | LOCAL_CX_OPT,
859 "protocol summary", "show proto"},
860 {"route", NULL, route_Show, LOCAL_AUTH,
861 "routing table", "show route"},
862 {"stopped", NULL, ShowStopped, LOCAL_AUTH | LOCAL_CX,
863 "STOPPED timeout", "show stopped"},
864 {"timers", NULL, ShowTimerList, LOCAL_AUTH,
865 "alarm timers", "show timers"},
866 {"version", NULL, ShowVersion, LOCAL_NO_AUTH | LOCAL_AUTH,
867 "version string", "show version"},
868 {"who", NULL, log_ShowWho, LOCAL_AUTH,
869 "client list", "show who"},
870 {"help", "?", HelpCommand, LOCAL_NO_AUTH | LOCAL_AUTH,
871 "Display this message", "show help|? [command]", ShowCommands},
872 {NULL, NULL, NULL},
873};
874
875static struct cmdtab const *
876FindCommand(struct cmdtab const *cmds, const char *str, int *pmatch)
877{
878 int nmatch;
879 int len;
880 struct cmdtab const *found;
881
882 found = NULL;
883 len = strlen(str);
884 nmatch = 0;
885 while (cmds->func) {
886 if (cmds->name && strncasecmp(str, cmds->name, len) == 0) {
887 if (cmds->name[len] == '\0') {
888 *pmatch = 1;
889 return cmds;
890 }
891 nmatch++;
892 found = cmds;
893 } else if (cmds->alias && strncasecmp(str, cmds->alias, len) == 0) {
894 if (cmds->alias[len] == '\0') {
895 *pmatch = 1;
896 return cmds;
897 }
898 nmatch++;
899 found = cmds;
900 }
901 cmds++;
902 }
903 *pmatch = nmatch;
904 return found;
905}
906
907static const char *
908mkPrefix(int argc, char const *const *argv, char *tgt, int sz)
909{
910 int f, tlen, len;
911
912 tlen = 0;
913 for (f = 0; f < argc && tlen < sz - 2; f++) {
914 if (f)
915 tgt[tlen++] = ' ';
916 len = strlen(argv[f]);
917 if (len > sz - tlen - 1)
918 len = sz - tlen - 1;
919 strncpy(tgt+tlen, argv[f], len);
920 tlen += len;
921 }
922 tgt[tlen] = '\0';
923 return tgt;
924}
925
926static int
927FindExec(struct bundle *bundle, struct cmdtab const *cmds, int argc, int argn,
928 char const *const *argv, struct prompt *prompt, struct datalink *cx)
929{
930 struct cmdtab const *cmd;
931 int val = 1;
932 int nmatch;
933 struct cmdargs arg;
934 char prefix[100];
935
936 cmd = FindCommand(cmds, argv[argn], &nmatch);
937 if (nmatch > 1)
938 log_Printf(LogWARN, "%s: Ambiguous command\n",
939 mkPrefix(argn+1, argv, prefix, sizeof prefix));
940 else if (cmd && (!prompt || (cmd->lauth & prompt->auth))) {
941 if ((cmd->lauth & LOCAL_CX) && !cx)
942 /* We've got no context, but we require it */
943 cx = bundle2datalink(bundle, NULL);
944
945 if ((cmd->lauth & LOCAL_CX) && !cx)
946 log_Printf(LogWARN, "%s: No context (use the `link' command)\n",
947 mkPrefix(argn+1, argv, prefix, sizeof prefix));
948 else {
949 if (cx && !(cmd->lauth & (LOCAL_CX|LOCAL_CX_OPT))) {
950 log_Printf(LogWARN, "%s: Redundant context (%s) ignored\n",
951 mkPrefix(argn+1, argv, prefix, sizeof prefix), cx->name);
952 cx = NULL;
953 }
954 arg.cmdtab = cmds;
955 arg.cmd = cmd;
956 arg.argc = argc;
957 arg.argn = argn+1;
958 arg.argv = argv;
959 arg.bundle = bundle;
960 arg.cx = cx;
961 arg.prompt = prompt;
962 val = (*cmd->func) (&arg);
963 }
964 } else
965 log_Printf(LogWARN, "%s: Invalid command\n",
966 mkPrefix(argn+1, argv, prefix, sizeof prefix));
967
968 if (val == -1)
969 log_Printf(LogWARN, "Usage: %s\n", cmd->syntax);
970 else if (val)
971 log_Printf(LogWARN, "%s: Failed %d\n",
972 mkPrefix(argn+1, argv, prefix, sizeof prefix), val);
973
974 return val;
975}
976
977int
978command_Expand_Interpret(char *buff, int nb, char *argv[MAXARGS], int offset)
979{
980 char buff2[LINE_LEN-offset];
981
982 InterpretArg(buff, buff2);
983 strncpy(buff, buff2, LINE_LEN - offset - 1);
984 buff[LINE_LEN - offset - 1] = '\0';
985
986 return command_Interpret(buff, nb, argv);
987}
988
989int
990command_Interpret(char *buff, int nb, char *argv[MAXARGS])
991{
992 char *cp;
993
994 if (nb > 0) {
995 cp = buff + strcspn(buff, "\r\n");
996 if (cp)
997 *cp = '\0';
998 return MakeArgs(buff, argv, MAXARGS, PARSE_REDUCE);
999 }
1000 return 0;
1001}
1002
1003static int
1004arghidden(int argc, char const *const *argv, int n)
1005{
1006 /* Is arg n of the given command to be hidden from the log ? */
1007
1008 /* set authkey xxxxx */
1009 /* set key xxxxx */
1010 if (n == 2 && !strncasecmp(argv[0], "se", 2) &&
1011 (!strncasecmp(argv[1], "authk", 5) || !strncasecmp(argv[1], "ke", 2)))
1012 return 1;
1013
1014 /* passwd xxxxx */
1015 if (n == 1 && !strncasecmp(argv[0], "p", 1))
1016 return 1;
1017
1018 /* set server port xxxxx .... */
1019 if (n == 3 && !strncasecmp(argv[0], "se", 2) &&
1020 !strncasecmp(argv[1], "se", 2))
1021 return 1;
1022
1023 return 0;
1024}
1025
1026void
1027command_Run(struct bundle *bundle, int argc, char const *const *argv,
1028 struct prompt *prompt, const char *label, struct datalink *cx)
1029{
1030 if (argc > 0) {
1031 if (log_IsKept(LogCOMMAND)) {
1032 char buf[LINE_LEN];
1033 int f, n;
1034
1035 if (label) {
1036 strncpy(buf, label, sizeof buf - 3);
1037 buf[sizeof buf - 3] = '\0';
1038 strcat(buf, ": ");
1039 n = strlen(buf);
1040 } else {
1041 *buf = '\0';
1042 n = 0;
1043 }
1044 buf[sizeof buf - 1] = '\0'; /* In case we run out of room in buf */
1045
1046 for (f = 0; f < argc; f++) {
1047 if (n < sizeof buf - 1 && f)
1048 buf[n++] = ' ';
1049 if (arghidden(argc, argv, f))
1050 strncpy(buf+n, "********", sizeof buf - n - 1);
1051 else
1052 strncpy(buf+n, argv[f], sizeof buf - n - 1);
1053 n += strlen(buf+n);
1054 }
1055 log_Printf(LogCOMMAND, "%s\n", buf);
1056 }
1057 FindExec(bundle, Commands, argc, 0, argv, prompt, cx);
1058 }
1059}
1060
1061int
1062command_Decode(struct bundle *bundle, char *buff, int nb, struct prompt *prompt,
1063 const char *label)
1064{
1065 int argc;
1066 char *argv[MAXARGS];
1067
1068 if ((argc = command_Expand_Interpret(buff, nb, argv, 0)) < 0)
1069 return 0;
1070
1071 command_Run(bundle, argc, (char const *const *)argv, prompt, label, NULL);
1072 return 1;
1073}
1074
1075static int
1076ShowCommand(struct cmdargs const *arg)
1077{
1078 if (!arg->prompt)
1079 log_Printf(LogWARN, "show: Cannot show without a prompt\n");
1080 else if (arg->argc > arg->argn)
1081 FindExec(arg->bundle, ShowCommands, arg->argc, arg->argn, arg->argv,
1082 arg->prompt, arg->cx);
1083 else
1084 prompt_Printf(arg->prompt, "Use ``show ?'' to get a list.\n");
1085
1086 return 0;
1087}
1088
1089static int
1090TerminalCommand(struct cmdargs const *arg)
1091{
1092 if (!arg->prompt) {
1093 log_Printf(LogWARN, "term: Need a prompt\n");
1094 return 1;
1095 }
1096
1097 if (arg->cx->physical->link.lcp.fsm.state > ST_CLOSED) {
1098 prompt_Printf(arg->prompt, "LCP state is [%s]\n",
1099 State2Nam(arg->cx->physical->link.lcp.fsm.state));
1100 return 1;
1101 }
1102
1103 datalink_Up(arg->cx, 0, 0);
1104 prompt_TtyTermMode(arg->prompt, arg->cx);
1105 return 0;
1106}
1107
1108static int
1109QuitCommand(struct cmdargs const *arg)
1110{
1111 if (!arg->prompt || prompt_IsController(arg->prompt) ||
1112 (arg->argc > arg->argn && !strcasecmp(arg->argv[arg->argn], "all") &&
1113 (arg->prompt->auth & LOCAL_AUTH)))
1114 Cleanup(EX_NORMAL);
1115 if (arg->prompt)
1116 prompt_Destroy(arg->prompt, 1);
1117
1118 return 0;
1119}
1120
1121static int
1122OpenCommand(struct cmdargs const *arg)
1123{
1124 if (arg->argc == arg->argn)
1125 bundle_Open(arg->bundle, arg->cx ? arg->cx->name : NULL, PHYS_ALL, 1);
1126 else if (arg->argc == arg->argn + 1) {
1127 if (!strcasecmp(arg->argv[arg->argn], "lcp")) {
1128 struct datalink *cx = arg->cx ?
1129 arg->cx : bundle2datalink(arg->bundle, NULL);
1130 if (cx) {
1131 if (cx->physical->link.lcp.fsm.state == ST_OPENED)
1132 fsm_Reopen(&cx->physical->link.lcp.fsm);
1133 else
1134 bundle_Open(arg->bundle, cx->name, PHYS_ALL, 1);
1135 } else
1136 log_Printf(LogWARN, "open lcp: You must specify a link\n");
1137 } else if (!strcasecmp(arg->argv[arg->argn], "ccp")) {
1138 struct fsm *fp;
1139
1140 fp = &command_ChooseLink(arg)->ccp.fsm;
1141 if (fp->link->lcp.fsm.state != ST_OPENED)
1142 log_Printf(LogWARN, "open: LCP must be open before opening CCP\n");
1143 else if (fp->state == ST_OPENED)
1144 fsm_Reopen(fp);
1145 else {
1146 fp->open_mode = 0; /* Not passive any more */
1147 if (fp->state == ST_STOPPED) {
1148 fsm_Down(fp);
1149 fsm_Up(fp);
1150 } else {
1151 fsm_Up(fp);
1152 fsm_Open(fp);
1153 }
1154 }
1155 } else if (!strcasecmp(arg->argv[arg->argn], "ipcp")) {
1156 if (arg->cx)
1157 log_Printf(LogWARN, "open ipcp: You need not specify a link\n");
1158 if (arg->bundle->ncp.ipcp.fsm.state == ST_OPENED)
1159 fsm_Reopen(&arg->bundle->ncp.ipcp.fsm);
1160 else
1161 bundle_Open(arg->bundle, NULL, PHYS_ALL, 1);
1162 } else
1163 return -1;
1164 } else
1165 return -1;
1166
1167 return 0;
1168}
1169
1170static int
1171CloseCommand(struct cmdargs const *arg)
1172{
1173 if (arg->argc == arg->argn)
1174 bundle_Close(arg->bundle, arg->cx ? arg->cx->name : NULL, CLOSE_STAYDOWN);
1175 else if (arg->argc == arg->argn + 1) {
1176 if (!strcasecmp(arg->argv[arg->argn], "lcp"))
1177 bundle_Close(arg->bundle, arg->cx ? arg->cx->name : NULL, CLOSE_LCP);
1178 else if (!strcasecmp(arg->argv[arg->argn], "ccp") ||
1179 !strcasecmp(arg->argv[arg->argn], "ccp!")) {
1180 struct fsm *fp;
1181
1182 fp = &command_ChooseLink(arg)->ccp.fsm;
1183 if (fp->state == ST_OPENED) {
1184 fsm_Close(fp);
1185 if (arg->argv[arg->argn][3] == '!')
1186 fp->open_mode = 0; /* Stay ST_CLOSED */
1187 else
1188 fp->open_mode = OPEN_PASSIVE; /* Wait for the peer to start */
1189 }
1190 } else
1191 return -1;
1192 } else
1193 return -1;
1194
1195 return 0;
1196}
1197
1198static int
1199DownCommand(struct cmdargs const *arg)
1200{
1201 if (arg->argc == arg->argn) {
1202 if (arg->cx)
1203 datalink_Down(arg->cx, CLOSE_STAYDOWN);
1204 else
1205 bundle_Down(arg->bundle, CLOSE_STAYDOWN);
1206 } else if (arg->argc == arg->argn + 1) {
1207 if (!strcasecmp(arg->argv[arg->argn], "lcp")) {
1208 if (arg->cx)
1209 datalink_Down(arg->cx, CLOSE_LCP);
1210 else
1211 bundle_Down(arg->bundle, CLOSE_LCP);
1212 } else if (!strcasecmp(arg->argv[arg->argn], "ccp")) {
1213 struct fsm *fp = arg->cx ? &arg->cx->physical->link.ccp.fsm :
1214 &arg->bundle->ncp.mp.link.ccp.fsm;
1215 fsm2initial(fp);
1216 } else
1217 return -1;
1218 } else
1219 return -1;
1220
1221 return 0;
1222}
1223
1224static int
1225SetModemSpeed(struct cmdargs const *arg)
1226{
1227 long speed;
1228 char *end;
1229
1230 if (arg->argc > arg->argn && *arg->argv[arg->argn]) {
1231 if (arg->argc > arg->argn+1) {
1232 log_Printf(LogWARN, "SetModemSpeed: Too many arguments\n");
1233 return -1;
1234 }
1235 if (strcasecmp(arg->argv[arg->argn], "sync") == 0) {
1236 physical_SetSync(arg->cx->physical);
1237 return 0;
1238 }
1239 end = NULL;
1240 speed = strtol(arg->argv[arg->argn], &end, 10);
1241 if (*end) {
1242 log_Printf(LogWARN, "SetModemSpeed: Bad argument \"%s\"",
1243 arg->argv[arg->argn]);
1244 return -1;
1245 }
1246 if (physical_SetSpeed(arg->cx->physical, speed))
1247 return 0;
1248 log_Printf(LogWARN, "%s: Invalid speed\n", arg->argv[arg->argn]);
1249 } else
1250 log_Printf(LogWARN, "SetModemSpeed: No speed specified\n");
1251
1252 return -1;
1253}
1254
1255static int
1256SetStoppedTimeout(struct cmdargs const *arg)
1257{
1258 struct link *l = &arg->cx->physical->link;
1259
1260 l->lcp.fsm.StoppedTimer.load = 0;
1261 l->ccp.fsm.StoppedTimer.load = 0;
1262 if (arg->argc <= arg->argn+2) {
1263 if (arg->argc > arg->argn) {
1264 l->lcp.fsm.StoppedTimer.load = atoi(arg->argv[arg->argn]) * SECTICKS;
1265 if (arg->argc > arg->argn+1)
1266 l->ccp.fsm.StoppedTimer.load = atoi(arg->argv[arg->argn+1]) * SECTICKS;
1267 }
1268 return 0;
1269 }
1270 return -1;
1271}
1272
1273static int
1274SetServer(struct cmdargs const *arg)
1275{
1276 int res = -1;
1277
1278 if (arg->argc > arg->argn && arg->argc < arg->argn+4) {
1279 const char *port, *passwd, *mask;
1280 int mlen;
1281
1282 /* What's what ? */
1283 port = arg->argv[arg->argn];
1284 if (arg->argc == arg->argn + 2) {
1285 passwd = arg->argv[arg->argn+1];
1286 mask = NULL;
1287 } else if (arg->argc == arg->argn + 3) {
1288 passwd = arg->argv[arg->argn+1];
1289 mask = arg->argv[arg->argn+2];
1290 mlen = strlen(mask);
1291 if (mlen == 0 || mlen > 4 || strspn(mask, "01234567") != mlen ||
1292 (mlen == 4 && *mask != '0')) {
1293 log_Printf(LogWARN, "%s %s: %s: Invalid mask\n",
1294 arg->argv[arg->argn - 2], arg->argv[arg->argn - 1], mask);
1295 return -1;
1296 }
1297 } else if (arg->argc != arg->argn + 1)
1298 return -1;
1299 else if (strcasecmp(port, "none") == 0) {
1300 if (server_Clear(arg->bundle))
1301 log_Printf(LogPHASE, "Disabled server socket\n");
1302 return 0;
1303 } else if (strcasecmp(port, "open") == 0) {
1304 switch (server_Reopen(arg->bundle)) {
1305 case SERVER_OK:
1306 return 0;
1307 case SERVER_FAILED:
1308 log_Printf(LogWARN, "Failed to reopen server port\n");
1309 return 1;
1310 case SERVER_UNSET:
1311 log_Printf(LogWARN, "Cannot reopen unset server socket\n");
1312 return 1;
1313 default:
1314 break;
1315 }
1316 return -1;
1317 } else if (strcasecmp(port, "closed") == 0) {
1318 if (server_Close(arg->bundle))
1319 log_Printf(LogPHASE, "Closed server socket\n");
1320 else
1321 log_Printf(LogWARN, "Server socket not open\n");
1322
1323 return 0;
1324 } else
1325 return -1;
1326
1327 strncpy(server.cfg.passwd, passwd, sizeof server.cfg.passwd - 1);
1328 server.cfg.passwd[sizeof server.cfg.passwd - 1] = '\0';
1329
1330 if (*port == '/') {
1331 mode_t imask;
1332 char *ptr, name[LINE_LEN + 12];
1333
1334 if (mask == NULL)
1335 imask = (mode_t)-1;
1336 else for (imask = mlen = 0; mask[mlen]; mlen++)
1337 imask = (imask * 8) + mask[mlen] - '0';
1338
1339 ptr = strstr(port, "%d");
1340 if (ptr) {
1341 snprintf(name, sizeof name, "%.*s%d%s",
1342 (int)(ptr - port), port, arg->bundle->unit, ptr + 2);
1343 port = name;
1344 }
1345 res = server_LocalOpen(arg->bundle, port, imask);
1346 } else {
1347 int iport, add = 0;
1348
1349 if (mask != NULL)
1350 return -1;
1351
1352 if (*port == '+') {
1353 port++;
1354 add = 1;
1355 }
1356 if (strspn(port, "0123456789") != strlen(port)) {
1357 struct servent *s;
1358
1359 if ((s = getservbyname(port, "tcp")) == NULL) {
1360 iport = 0;
1361 log_Printf(LogWARN, "%s: Invalid port or service\n", port);
1362 } else
1363 iport = ntohs(s->s_port);
1364 } else
1365 iport = atoi(port);
1366
1367 if (iport) {
1368 if (add)
1369 iport += arg->bundle->unit;
1370 res = server_TcpOpen(arg->bundle, iport);
1371 } else
1372 res = -1;
1373 }
1374 }
1375
1376 return res;
1377}
1378
1379static int
1380SetEscape(struct cmdargs const *arg)
1381{
1382 int code;
1383 int argc = arg->argc - arg->argn;
1384 char const *const *argv = arg->argv + arg->argn;
1385
1386 for (code = 0; code < 33; code++)
1387 arg->cx->physical->async.cfg.EscMap[code] = 0;
1388
1389 while (argc-- > 0) {
1390 sscanf(*argv++, "%x", &code);
1391 code &= 0xff;
1392 arg->cx->physical->async.cfg.EscMap[code >> 3] |= (1 << (code & 7));
1393 arg->cx->physical->async.cfg.EscMap[32] = 1;
1394 }
1395 return 0;
1396}
1397
1398static int
1399SetInterfaceAddr(struct cmdargs const *arg)
1400{
1401 struct ipcp *ipcp = &arg->bundle->ncp.ipcp;
1402 const char *hisaddr;
1403
1404 if (arg->argc > arg->argn + 4)
1405 return -1;
1406
1407 hisaddr = NULL;
1408 memset(&ipcp->cfg.my_range, '\0', sizeof ipcp->cfg.my_range);
1409 memset(&ipcp->cfg.peer_range, '\0', sizeof ipcp->cfg.peer_range);
1410 ipcp->cfg.HaveTriggerAddress = 0;
1411 ipcp->cfg.netmask.s_addr = INADDR_ANY;
1412 iplist_reset(&ipcp->cfg.peer_list);
1413
1414 if (arg->argc > arg->argn) {
1415 if (!ParseAddr(ipcp, arg->argv[arg->argn],
1416 &ipcp->cfg.my_range.ipaddr, &ipcp->cfg.my_range.mask,
1417 &ipcp->cfg.my_range.width))
1418 return 1;
1419 if (arg->argc > arg->argn+1) {
1420 hisaddr = arg->argv[arg->argn+1];
1421 if (arg->argc > arg->argn+2) {
1422 ipcp->ifmask = ipcp->cfg.netmask = GetIpAddr(arg->argv[arg->argn+2]);
1423 if (arg->argc > arg->argn+3) {
1424 ipcp->cfg.TriggerAddress = GetIpAddr(arg->argv[arg->argn+3]);
1425 ipcp->cfg.HaveTriggerAddress = 1;
1426 }
1427 }
1428 }
1429 }
1430
1431 /* 0.0.0.0 means any address (0 bits) */
1432 if (ipcp->cfg.my_range.ipaddr.s_addr == INADDR_ANY) {
1433 ipcp->cfg.my_range.mask.s_addr = INADDR_ANY;
1434 ipcp->cfg.my_range.width = 0;
1435 }
1436 ipcp->my_ip.s_addr = ipcp->cfg.my_range.ipaddr.s_addr;
1437 bundle_AdjustFilters(arg->bundle, &ipcp->my_ip, NULL);
1438
1439 if (hisaddr && !ipcp_UseHisaddr(arg->bundle, hisaddr,
1440 arg->bundle->phys_type.all & PHYS_AUTO))
1441 return 4;
1442
1443 return 0;
1444}
1445
1446static int
1447SetRetry(int argc, char const *const *argv, u_int *timeout, u_int *maxreq,
1448 u_int *maxtrm, int def)
1449{
1450 if (argc == 0) {
1451 *timeout = DEF_FSMRETRY;
1452 *maxreq = def;
1453 if (maxtrm != NULL)
1454 *maxtrm = def;
1455 } else {
1456 long l = atol(argv[0]);
1457
1458 if (l < MIN_FSMRETRY) {
1459 log_Printf(LogWARN, "%ld: Invalid FSM retry period - min %d\n",
1460 l, MIN_FSMRETRY);
1461 return 1;
1462 } else
1463 *timeout = l;
1464
1465 if (argc > 1) {
1466 l = atol(argv[1]);
1467 if (l < 1) {
1468 log_Printf(LogWARN, "%ld: Invalid FSM REQ tries - changed to 1\n", l);
1469 l = 1;
1470 }
1471 *maxreq = l;
1472
1473 if (argc > 2 && maxtrm != NULL) {
1474 l = atol(argv[2]);
1475 if (l < 1) {
1476 log_Printf(LogWARN, "%ld: Invalid FSM TRM tries - changed to 1\n", l);
1477 l = 1;
1478 }
1479 *maxtrm = l;
1480 }
1481 }
1482 }
1483
1484 return 0;
1485}
1486
1487static int
1488SetVariable(struct cmdargs const *arg)
1489{
1490 long long_val, param = (long)arg->cmd->args;
1491 int mode, dummyint, f, first, res;
1492 u_short *change;
1493 const char *argp;
1494 struct datalink *cx = arg->cx; /* LOCAL_CX uses this */
1495 struct link *l = command_ChooseLink(arg); /* LOCAL_CX_OPT uses this */
1496 struct in_addr dummyaddr, *addr;
1497
1498 if (arg->argc > arg->argn)
1499 argp = arg->argv[arg->argn];
1500 else
1501 argp = "";
1502
1503 res = 0;
1504
1505 if ((arg->cmd->lauth & LOCAL_CX) && !cx) {
1506 log_Printf(LogWARN, "set %s: No context (use the `link' command)\n",
1507 arg->cmd->name);
1508 return 1;
1509 } else if (cx && !(arg->cmd->lauth & (LOCAL_CX|LOCAL_CX_OPT))) {
1510 log_Printf(LogWARN, "set %s: Redundant context (%s) ignored\n",
1511 arg->cmd->name, cx->name);
1512 cx = NULL;
1513 }
1514
1515 switch (param) {
1516 case VAR_AUTHKEY:
1517 strncpy(arg->bundle->cfg.auth.key, argp,
1518 sizeof arg->bundle->cfg.auth.key - 1);
1519 arg->bundle->cfg.auth.key[sizeof arg->bundle->cfg.auth.key - 1] = '\0';
1520 break;
1521
1522 case VAR_AUTHNAME:
1523 switch (bundle_Phase(arg->bundle)) {
1524 default:
1525 log_Printf(LogWARN, "Altering authname while at phase %s\n",
1526 bundle_PhaseName(arg->bundle));
1527 /* drop through */
1528 case PHASE_DEAD:
1529 case PHASE_ESTABLISH:
1530 strncpy(arg->bundle->cfg.auth.name, argp,
1531 sizeof arg->bundle->cfg.auth.name - 1);
1532 arg->bundle->cfg.auth.name[sizeof arg->bundle->cfg.auth.name-1] = '\0';
1533 break;
1534 }
1535 break;
1536
1537 case VAR_AUTOLOAD:
1538 if (arg->argc == arg->argn + 3) {
1539 int v1, v2, v3;
1540 char *end;
1541
1542 v1 = strtol(arg->argv[arg->argn], &end, 0);
1543 if (v1 < 0 || *end) {
1544 log_Printf(LogWARN, "autoload: %s: Invalid min percentage\n",
1545 arg->argv[arg->argn]);
1546 res = 1;
1547 break;
1548 }
1549
1550 v2 = strtol(arg->argv[arg->argn + 1], &end, 0);
1551 if (v2 < 0 || *end) {
1552 log_Printf(LogWARN, "autoload: %s: Invalid max percentage\n",
1553 arg->argv[arg->argn + 1]);
1554 res = 1;
1555 break;
1556 }
1557 if (v2 < v1) {
1558 v3 = v1;
1559 v1 = v2;
1560 v2 = v3;
1561 }
1562
1563 v3 = strtol(arg->argv[arg->argn + 2], &end, 0);
1564 if (v3 <= 0 || *end) {
1565 log_Printf(LogWARN, "autoload: %s: Invalid throughput period\n",
1566 arg->argv[arg->argn + 2]);
1567 res = 1;
1568 break;
1569 }
1570
1571 arg->bundle->ncp.mp.cfg.autoload.min = v1;
1572 arg->bundle->ncp.mp.cfg.autoload.max = v2;
1573 arg->bundle->ncp.mp.cfg.autoload.period = v3;
1574 mp_RestartAutoloadTimer(&arg->bundle->ncp.mp);
1575 } else {
1576 log_Printf(LogWARN, "Set autoload requires three arguments\n");
1577 res = 1;
1578 }
1579 break;
1580
1581 case VAR_DIAL:
1582 strncpy(cx->cfg.script.dial, argp, sizeof cx->cfg.script.dial - 1);
1583 cx->cfg.script.dial[sizeof cx->cfg.script.dial - 1] = '\0';
1584 break;
1585
1586 case VAR_LOGIN:
1587 strncpy(cx->cfg.script.login, argp, sizeof cx->cfg.script.login - 1);
1588 cx->cfg.script.login[sizeof cx->cfg.script.login - 1] = '\0';
1589 break;
1590
1591 case VAR_WINSIZE:
1592 if (arg->argc > arg->argn) {
1593 l->ccp.cfg.deflate.out.winsize = atoi(arg->argv[arg->argn]);
1594 if (l->ccp.cfg.deflate.out.winsize < 8 ||
1595 l->ccp.cfg.deflate.out.winsize > 15) {
1596 log_Printf(LogWARN, "%d: Invalid outgoing window size\n",
1597 l->ccp.cfg.deflate.out.winsize);
1598 l->ccp.cfg.deflate.out.winsize = 15;
1599 }
1600 if (arg->argc > arg->argn+1) {
1601 l->ccp.cfg.deflate.in.winsize = atoi(arg->argv[arg->argn+1]);
1602 if (l->ccp.cfg.deflate.in.winsize < 8 ||
1603 l->ccp.cfg.deflate.in.winsize > 15) {
1604 log_Printf(LogWARN, "%d: Invalid incoming window size\n",
1605 l->ccp.cfg.deflate.in.winsize);
1606 l->ccp.cfg.deflate.in.winsize = 15;
1607 }
1608 } else
1609 l->ccp.cfg.deflate.in.winsize = 0;
1610 } else {
1611 log_Printf(LogWARN, "No window size specified\n");
1612 res = 1;
1613 }
1614 break;
1615
1616#ifdef HAVE_DES
1617 case VAR_MPPE:
1618 if (arg->argc > arg->argn + 2) {
1619 res = -1;
1620 break;
1621 }
1622
1623 if (arg->argc == arg->argn) {
1624 l->ccp.cfg.mppe.keybits = 0;
1625 l->ccp.cfg.mppe.state = MPPE_ANYSTATE;
1626 l->ccp.cfg.mppe.required = 0;
1627 break;
1628 }
1629
1630 if (!strcmp(argp, "*"))
1631 long_val = 0;
1632 else {
1633 long_val = atol(argp);
1634 if (long_val != 40 && long_val != 56 && long_val != 128) {
1635 log_Printf(LogWARN, "%s: Invalid bits value\n", argp);
1636 res = -1;
1637 break;
1638 }
1639 }
1640
1641 if (arg->argc == arg->argn + 2) {
1642 if (!strcmp(arg->argv[arg->argn + 1], "*"))
1643 l->ccp.cfg.mppe.state = MPPE_ANYSTATE;
1644 else if (!strcasecmp(arg->argv[arg->argn + 1], "stateless"))
1645 l->ccp.cfg.mppe.state = MPPE_STATELESS;
1646 else if (!strcasecmp(arg->argv[arg->argn + 1], "stateful"))
1647 l->ccp.cfg.mppe.state = MPPE_STATEFUL;
1648 else {
1649 log_Printf(LogWARN, "%s: Invalid state value\n",
1650 arg->argv[arg->argn + 1]);
1651 res = -1;
1652 break;
1653 }
1654 } else
1655 l->ccp.cfg.mppe.state = MPPE_ANYSTATE;
1656 l->ccp.cfg.mppe.keybits = long_val;
1657 l->ccp.cfg.mppe.required = 1;
1658 break;
1659#endif
1660
1661 case VAR_DEVICE:
1662 physical_SetDeviceList(cx->physical, arg->argc - arg->argn,
1663 arg->argv + arg->argn);
1664 break;
1665
1666 case VAR_ACCMAP:
1667 if (arg->argc > arg->argn) {
1668 u_long ulong_val;
1669 sscanf(argp, "%lx", &ulong_val);
1670 cx->physical->link.lcp.cfg.accmap = (u_int32_t)ulong_val;
1671 } else {
1672 log_Printf(LogWARN, "No accmap specified\n");
1673 res = 1;
1674 }
1675 break;
1676
1677 case VAR_MODE:
1678 mode = Nam2mode(argp);
1679 if (mode == PHYS_NONE || mode == PHYS_ALL) {
1680 log_Printf(LogWARN, "%s: Invalid mode\n", argp);
1681 res = -1;
1682 break;
1683 }
1684 bundle_SetMode(arg->bundle, cx, mode);
1685 break;
1686
1687 case VAR_MRRU:
1688 switch (bundle_Phase(arg->bundle)) {
1689 case PHASE_DEAD:
1690 break;
1691 case PHASE_ESTABLISH:
1692 /* Make sure none of our links are DATALINK_LCP or greater */
1693 if (bundle_HighestState(arg->bundle) >= DATALINK_LCP) {
1694 log_Printf(LogWARN, "mrru: Only changable before LCP negotiations\n");
1695 res = 1;
1696 break;
1697 }
1698 break;
1699 default:
1700 log_Printf(LogWARN, "mrru: Only changable at phase DEAD/ESTABLISH\n");
1701 res = 1;
1702 break;
1703 }
1704 if (res != 0)
1705 break;
1706 long_val = atol(argp);
1707 if (long_val && long_val < MIN_MRU) {
1708 log_Printf(LogWARN, "MRRU %ld: too small - min %d\n", long_val, MIN_MRU);
1709 res = 1;
1710 break;
1711 } else if (long_val > MAX_MRU) {
1712 log_Printf(LogWARN, "MRRU %ld: too big - max %d\n", long_val, MAX_MRU);
1713 res = 1;
1714 break;
1715 } else
1716 arg->bundle->ncp.mp.cfg.mrru = long_val;
1717 break;
1718
1719 case VAR_MRU:
1720 long_val = 0; /* silence gcc */
1721 change = NULL; /* silence gcc */
1722 switch(arg->argc - arg->argn) {
1723 case 1:
1724 if (argp[strspn(argp, "0123456789")] != '\0') {
1725 res = -1;
1726 break;
1727 }
1728 /*FALLTHRU*/
1729 case 0:
1730 long_val = atol(argp);
1731 change = &l->lcp.cfg.mru;
1732 if (long_val > l->lcp.cfg.max_mru) {
1733 log_Printf(LogWARN, "MRU %ld: too large - max set to %d\n", long_val,
1734 l->lcp.cfg.max_mru);
1735 res = 1;
1736 break;
1737 }
1738 break;
1739 case 2:
1740 if (strcasecmp(argp, "max") && strcasecmp(argp, "maximum")) {
1741 res = -1;
1742 break;
1743 }
1744 long_val = atol(arg->argv[arg->argn + 1]);
1745 change = &l->lcp.cfg.max_mru;
1746 if (long_val > MAX_MRU) {
1747 log_Printf(LogWARN, "MRU %ld: too large - maximum is %d\n", long_val,
1748 MAX_MRU);
1749 res = 1;
1750 break;
1751 }
1752 break;
1753 default:
1754 res = -1;
1755 break;
1756 }
1757 if (res != 0)
1758 break;
1759
1760 if (long_val == 0)
1761 *change = DEF_MRU;
1762 else if (long_val < MIN_MRU) {
1763 log_Printf(LogWARN, "MRU %ld: too small - min %d\n", long_val, MIN_MRU);
1764 res = 1;
1765 break;
1766 } else if (long_val > MAX_MRU) {
1767 log_Printf(LogWARN, "MRU %ld: too big - max %d\n", long_val, MAX_MRU);
1768 res = 1;
1769 break;
1770 } else
1771 *change = long_val;
1772 if (l->lcp.cfg.mru > *change)
1773 l->lcp.cfg.mru = *change;
1774 break;
1775
1776 case VAR_MTU:
1777 long_val = 0; /* silence gcc */
1778 change = NULL; /* silence gcc */
1779 switch(arg->argc - arg->argn) {
1780 case 1:
1781 if (argp[strspn(argp, "0123456789")] != '\0') {
1782 res = -1;
1783 break;
1784 }
1785 /*FALLTHRU*/
1786 case 0:
1787 long_val = atol(argp);
1788 change = &l->lcp.cfg.mtu;
1789 if (long_val > l->lcp.cfg.max_mtu) {
1790 log_Printf(LogWARN, "MTU %ld: too large - max set to %d\n", long_val,
1791 l->lcp.cfg.max_mtu);
1792 res = 1;
1793 break;
1794 }
1795 break;
1796 case 2:
1797 if (strcasecmp(argp, "max") && strcasecmp(argp, "maximum")) {
1798 res = -1;
1799 break;
1800 }
1801 long_val = atol(arg->argv[arg->argn + 1]);
1802 change = &l->lcp.cfg.max_mtu;
1803 if (long_val > MAX_MTU) {
1804 log_Printf(LogWARN, "MTU %ld: too large - maximum is %d\n", long_val,
1805 MAX_MTU);
1806 res = 1;
1807 break;
1808 }
1809 break;
1810 default:
1811 res = -1;
1812 break;
1813 }
1814
1815 if (res != 0)
1816 break;
1817
1818 if (long_val && long_val < MIN_MTU) {
1819 log_Printf(LogWARN, "MTU %ld: too small - min %d\n", long_val, MIN_MTU);
1820 res = 1;
1821 break;
1822 } else if (long_val > MAX_MTU) {
1823 log_Printf(LogWARN, "MTU %ld: too big - max %d\n", long_val, MAX_MTU);
1824 res = 1;
1825 break;
1826 } else
1827 *change = long_val;
1828 if (l->lcp.cfg.mtu > *change)
1829 l->lcp.cfg.mtu = *change;
1830 break;
1831
1832 case VAR_OPENMODE:
1833 if (strcasecmp(argp, "active") == 0)
1834 cx->physical->link.lcp.cfg.openmode = arg->argc > arg->argn+1 ?
1835 atoi(arg->argv[arg->argn+1]) : 1;
1836 else if (strcasecmp(argp, "passive") == 0)
1837 cx->physical->link.lcp.cfg.openmode = OPEN_PASSIVE;
1838 else {
1839 log_Printf(LogWARN, "%s: Invalid openmode\n", argp);
1840 res = 1;
1841 }
1842 break;
1843
1844 case VAR_PHONE:
1845 strncpy(cx->cfg.phone.list, argp, sizeof cx->cfg.phone.list - 1);
1846 cx->cfg.phone.list[sizeof cx->cfg.phone.list - 1] = '\0';
1847 cx->phone.alt = cx->phone.next = NULL;
1848 break;
1849
1850 case VAR_HANGUP:
1851 strncpy(cx->cfg.script.hangup, argp, sizeof cx->cfg.script.hangup - 1);
1852 cx->cfg.script.hangup[sizeof cx->cfg.script.hangup - 1] = '\0';
1853 break;
1854
1855 case VAR_IFQUEUE:
1856 long_val = atol(argp);
1857 arg->bundle->cfg.ifqueue = long_val < 0 ? 0 : long_val;
1858 break;
1859
1860 case VAR_LOGOUT:
1861 strncpy(cx->cfg.script.logout, argp, sizeof cx->cfg.script.logout - 1);
1862 cx->cfg.script.logout[sizeof cx->cfg.script.logout - 1] = '\0';
1863 break;
1864
1865 case VAR_IDLETIMEOUT:
1866 if (arg->argc > arg->argn+2) {
1867 log_Printf(LogWARN, "Too many idle timeout values\n");
1868 res = 1;
1869 } else if (arg->argc == arg->argn) {
1870 log_Printf(LogWARN, "Too few idle timeout values\n");
1871 res = 1;
1872 } else {
1873 int timeout, min;
1874
1875 timeout = atoi(argp);
1876 min = arg->argc == arg->argn + 2 ? atoi(arg->argv[arg->argn + 1]) : -1;
1877 bundle_SetIdleTimer(arg->bundle, timeout, min);
1878 }
1879 break;
1880
1881 case VAR_LQRPERIOD:
1882 long_val = atol(argp);
1883 if (long_val < MIN_LQRPERIOD) {
1884 log_Printf(LogWARN, "%ld: Invalid lqr period - min %d\n",
1885 long_val, MIN_LQRPERIOD);
1886 res = 1;
1887 } else
1888 l->lcp.cfg.lqrperiod = long_val;
1889 break;
1890
1891 case VAR_LCPRETRY:
1892 res = SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
1893 &cx->physical->link.lcp.cfg.fsm.timeout,
1894 &cx->physical->link.lcp.cfg.fsm.maxreq,
1895 &cx->physical->link.lcp.cfg.fsm.maxtrm, DEF_FSMTRIES);
1896 break;
1897
1898 case VAR_CHAPRETRY:
1899 res = SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
1900 &cx->chap.auth.cfg.fsm.timeout,
1901 &cx->chap.auth.cfg.fsm.maxreq, NULL, DEF_FSMAUTHTRIES);
1902 break;
1903
1904 case VAR_PAPRETRY:
1905 res = SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
1906 &cx->pap.cfg.fsm.timeout, &cx->pap.cfg.fsm.maxreq,
1907 NULL, DEF_FSMAUTHTRIES);
1908 break;
1909
1910 case VAR_CCPRETRY:
1911 res = SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
1912 &l->ccp.cfg.fsm.timeout, &l->ccp.cfg.fsm.maxreq,
1913 &l->ccp.cfg.fsm.maxtrm, DEF_FSMTRIES);
1914 break;
1915
1916 case VAR_IPCPRETRY:
1917 res = SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
1918 &arg->bundle->ncp.ipcp.cfg.fsm.timeout,
1919 &arg->bundle->ncp.ipcp.cfg.fsm.maxreq,
1920 &arg->bundle->ncp.ipcp.cfg.fsm.maxtrm, DEF_FSMTRIES);
1921 break;
1922
1923 case VAR_NBNS:
1924 case VAR_DNS:
1925 if (param == VAR_DNS) {
1926 addr = arg->bundle->ncp.ipcp.cfg.ns.dns;
1927 addr[0].s_addr = addr[1].s_addr = INADDR_NONE;
1928 } else {
1929 addr = arg->bundle->ncp.ipcp.cfg.ns.nbns;
1930 addr[0].s_addr = addr[1].s_addr = INADDR_ANY;
1931 }
1932
1933 if (arg->argc > arg->argn) {
1934 ParseAddr(&arg->bundle->ncp.ipcp, arg->argv[arg->argn],
1935 addr, &dummyaddr, &dummyint);
1936 if (arg->argc > arg->argn+1)
1937 ParseAddr(&arg->bundle->ncp.ipcp, arg->argv[arg->argn + 1],
1938 addr + 1, &dummyaddr, &dummyint);
1939
1940 if (addr[0].s_addr == INADDR_ANY) {
1941 addr[0].s_addr = addr[1].s_addr;
1942 addr[1].s_addr = INADDR_ANY;
1943 }
1944 if (addr[0].s_addr == INADDR_NONE) {
1945 addr[0].s_addr = addr[1].s_addr;
1946 addr[1].s_addr = INADDR_NONE;
1947 }
1948 }
1949 break;
1950
1951 case VAR_CALLBACK:
1952 cx->cfg.callback.opmask = 0;
1953 for (dummyint = arg->argn; dummyint < arg->argc; dummyint++) {
1954 if (!strcasecmp(arg->argv[dummyint], "auth"))
1955 cx->cfg.callback.opmask |= CALLBACK_BIT(CALLBACK_AUTH);
1956 else if (!strcasecmp(arg->argv[dummyint], "cbcp"))
1957 cx->cfg.callback.opmask |= CALLBACK_BIT(CALLBACK_CBCP);
1958 else if (!strcasecmp(arg->argv[dummyint], "e.164")) {
1959 if (dummyint == arg->argc - 1)
1960 log_Printf(LogWARN, "No E.164 arg (E.164 ignored) !\n");
1961 else {
1962 cx->cfg.callback.opmask |= CALLBACK_BIT(CALLBACK_E164);
1963 strncpy(cx->cfg.callback.msg, arg->argv[++dummyint],
1964 sizeof cx->cfg.callback.msg - 1);
1965 cx->cfg.callback.msg[sizeof cx->cfg.callback.msg - 1] = '\0';
1966 }
1967 } else if (!strcasecmp(arg->argv[dummyint], "none"))
1968 cx->cfg.callback.opmask |= CALLBACK_BIT(CALLBACK_NONE);
1969 else {
1970 res = -1;
1971 break;
1972 }
1973 }
1974 if (cx->cfg.callback.opmask == CALLBACK_BIT(CALLBACK_NONE))
1975 cx->cfg.callback.opmask = 0;
1976 break;
1977
1978 case VAR_CBCP:
1979 cx->cfg.cbcp.delay = 0;
1980 *cx->cfg.cbcp.phone = '\0';
1981 cx->cfg.cbcp.fsmretry = DEF_FSMRETRY;
1982 if (arg->argc > arg->argn) {
1983 strncpy(cx->cfg.cbcp.phone, arg->argv[arg->argn],
1984 sizeof cx->cfg.cbcp.phone - 1);
1985 cx->cfg.cbcp.phone[sizeof cx->cfg.cbcp.phone - 1] = '\0';
1986 if (arg->argc > arg->argn + 1) {
1987 cx->cfg.cbcp.delay = atoi(arg->argv[arg->argn + 1]);
1988 if (arg->argc > arg->argn + 2) {
1989 long_val = atol(arg->argv[arg->argn + 2]);
1990 if (long_val < MIN_FSMRETRY)
1991 log_Printf(LogWARN, "%ld: Invalid CBCP FSM retry period - min %d\n",
1992 long_val, MIN_FSMRETRY);
1993 else
1994 cx->cfg.cbcp.fsmretry = long_val;
1995 }
1996 }
1997 }
1998 break;
1999
2000 case VAR_CHOKED:
2001 arg->bundle->cfg.choked.timeout = atoi(argp);
2002 if (arg->bundle->cfg.choked.timeout <= 0)
2003 arg->bundle->cfg.choked.timeout = CHOKED_TIMEOUT;
2004 break;
2005
2006 case VAR_SENDPIPE:
2007 long_val = atol(argp);
2008 arg->bundle->ncp.ipcp.cfg.sendpipe = long_val;
2009 break;
2010
2011 case VAR_RECVPIPE:
2012 long_val = atol(argp);
2013 arg->bundle->ncp.ipcp.cfg.recvpipe = long_val;
2014 break;
2015
2016#ifndef NORADIUS
2017 case VAR_RADIUS:
2018 if (!*argp)
2019 *arg->bundle->radius.cfg.file = '\0';
2020 else if (access(argp, R_OK)) {
2021 log_Printf(LogWARN, "%s: %s\n", argp, strerror(errno));
2022 res = 1;
2023 break;
2024 } else {
2025 strncpy(arg->bundle->radius.cfg.file, argp,
2026 sizeof arg->bundle->radius.cfg.file - 1);
2027 arg->bundle->radius.cfg.file
2028 [sizeof arg->bundle->radius.cfg.file - 1] = '\0';
2029 }
2030 break;
2031#endif
2032
2033 case VAR_CD:
2034 if (*argp) {
2035 if (strcasecmp(argp, "off")) {
2036 long_val = atol(argp);
2037 if (long_val < 0)
2038 long_val = 0;
2039 cx->physical->cfg.cd.delay = long_val;
2040 cx->physical->cfg.cd.necessity = argp[strlen(argp)-1] == '!' ?
2041 CD_REQUIRED : CD_VARIABLE;
2042 } else
2043 cx->physical->cfg.cd.necessity = CD_NOTREQUIRED;
2044 } else {
2045 cx->physical->cfg.cd.delay = 0;
2046 cx->physical->cfg.cd.necessity = CD_DEFAULT;
2047 }
2048 break;
2049
2050 case VAR_PARITY:
2051 if (arg->argc == arg->argn + 1)
2052 res = physical_SetParity(arg->cx->physical, argp);
2053 else {
2054 log_Printf(LogWARN, "Parity value must be odd, even or none\n");
2055 res = 1;
2056 }
2057 break;
2058
2059 case VAR_CRTSCTS:
2060 if (strcasecmp(argp, "on") == 0)
2061 physical_SetRtsCts(arg->cx->physical, 1);
2062 else if (strcasecmp(argp, "off") == 0)
2063 physical_SetRtsCts(arg->cx->physical, 0);
2064 else {
2065 log_Printf(LogWARN, "RTS/CTS value must be on or off\n");
2066 res = 1;
2067 }
2068 break;
2069
2070 case VAR_URGENTPORTS:
2071 if (arg->argn == arg->argc) {
2072 ipcp_SetUrgentTOS(&arg->bundle->ncp.ipcp);
2073 ipcp_ClearUrgentTcpPorts(&arg->bundle->ncp.ipcp);
2074 ipcp_ClearUrgentUdpPorts(&arg->bundle->ncp.ipcp);
2075 } else if (!strcasecmp(arg->argv[arg->argn], "udp")) {
2076 ipcp_SetUrgentTOS(&arg->bundle->ncp.ipcp);
2077 if (arg->argn == arg->argc - 1)
2078 ipcp_ClearUrgentUdpPorts(&arg->bundle->ncp.ipcp);
2079 else for (f = arg->argn + 1; f < arg->argc; f++)
2080 if (*arg->argv[f] == '+')
2081 ipcp_AddUrgentUdpPort(&arg->bundle->ncp.ipcp, atoi(arg->argv[f] + 1));
2082 else if (*arg->argv[f] == '-')
2083 ipcp_RemoveUrgentUdpPort(&arg->bundle->ncp.ipcp,
2084 atoi(arg->argv[f] + 1));
2085 else {
2086 if (f == arg->argn)
2087 ipcp_ClearUrgentUdpPorts(&arg->bundle->ncp.ipcp);
2088 ipcp_AddUrgentUdpPort(&arg->bundle->ncp.ipcp, atoi(arg->argv[f]));
2089 }
2090 } else if (arg->argn == arg->argc - 1 &&
2091 !strcasecmp(arg->argv[arg->argn], "none")) {
2092 ipcp_ClearUrgentTcpPorts(&arg->bundle->ncp.ipcp);
2093 ipcp_ClearUrgentUdpPorts(&arg->bundle->ncp.ipcp);
2094 ipcp_ClearUrgentTOS(&arg->bundle->ncp.ipcp);
2095 } else {
2096 ipcp_SetUrgentTOS(&arg->bundle->ncp.ipcp);
2097 first = arg->argn;
2098 if (!strcasecmp(arg->argv[first], "tcp") && ++first == arg->argc)
2099 ipcp_ClearUrgentTcpPorts(&arg->bundle->ncp.ipcp);
2100
2101 for (f = first; f < arg->argc; f++)
2102 if (*arg->argv[f] == '+')
2103 ipcp_AddUrgentTcpPort(&arg->bundle->ncp.ipcp, atoi(arg->argv[f] + 1));
2104 else if (*arg->argv[f] == '-')
2105 ipcp_RemoveUrgentTcpPort(&arg->bundle->ncp.ipcp,
2106 atoi(arg->argv[f] + 1));
2107 else {
2108 if (f == first)
2109 ipcp_ClearUrgentTcpPorts(&arg->bundle->ncp.ipcp);
2110 ipcp_AddUrgentTcpPort(&arg->bundle->ncp.ipcp, atoi(arg->argv[f]));
2111 }
2112 }
2113 break;
2114 }
2115
2116 return res;
2117}
2118
2119static struct cmdtab const SetCommands[] = {
2120 {"accmap", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
2121 "accmap value", "set accmap hex-value", (const void *)VAR_ACCMAP},
2122 {"authkey", "key", SetVariable, LOCAL_AUTH,
2123 "authentication key", "set authkey|key key", (const void *)VAR_AUTHKEY},
2124 {"authname", NULL, SetVariable, LOCAL_AUTH,
2125 "authentication name", "set authname name", (const void *)VAR_AUTHNAME},
2126 {"autoload", NULL, SetVariable, LOCAL_AUTH,
2127 "auto link [de]activation", "set autoload maxtime maxload mintime minload",
2128 (const void *)VAR_AUTOLOAD},
2129 {"bandwidth", NULL, mp_SetDatalinkBandwidth, LOCAL_AUTH | LOCAL_CX,
2130 "datalink bandwidth", "set bandwidth value"},
2131 {"callback", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
2132 "callback control", "set callback [none|auth|cbcp|"
2133 "E.164 *|number[,number]...]...", (const void *)VAR_CALLBACK},
2134 {"cbcp", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
2135 "CBCP control", "set cbcp [*|phone[,phone...] [delay [timeout]]]",
2136 (const void *)VAR_CBCP},
2137 {"ccpretry", "ccpretries", SetVariable, LOCAL_AUTH | LOCAL_CX_OPT,
2138 "CCP retries", "set ccpretry value [attempts]", (const void *)VAR_CCPRETRY},
2139 {"cd", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX, "Carrier delay requirement",
2140 "set cd value[!]", (const void *)VAR_CD},
2141 {"chapretry", "chapretries", SetVariable, LOCAL_AUTH | LOCAL_CX,
2142 "CHAP retries", "set chapretry value [attempts]",
2143 (const void *)VAR_CHAPRETRY},
2144 {"choked", NULL, SetVariable, LOCAL_AUTH,
2145 "choked timeout", "set choked [secs]", (const void *)VAR_CHOKED},
2146 {"ctsrts", "crtscts", SetVariable, LOCAL_AUTH | LOCAL_CX,
2147 "Use hardware flow control", "set ctsrts [on|off]",
2148 (const char *)VAR_CRTSCTS},
2149 {"deflate", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX_OPT,
2150 "deflate window sizes", "set deflate out-winsize in-winsize",
2151 (const void *) VAR_WINSIZE},
2152#ifdef HAVE_DES
2153 {"mppe", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX_OPT,
2154 "MPPE key size and state", "set mppe [40|56|128|* [stateful|stateless|*]]",
2155 (const void *) VAR_MPPE},
2156#endif
2157 {"device", "line", SetVariable, LOCAL_AUTH | LOCAL_CX,
2158 "physical device name", "set device|line device-name[,device-name]",
2159 (const void *) VAR_DEVICE},
2160 {"dial", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
2161 "dialing script", "set dial chat-script", (const void *) VAR_DIAL},
2162 {"dns", NULL, SetVariable, LOCAL_AUTH, "Domain Name Server",
2163 "set dns pri-addr [sec-addr]", (const void *)VAR_DNS},
2164 {"enddisc", NULL, mp_SetEnddisc, LOCAL_AUTH,
2165 "Endpoint Discriminator", "set enddisc [IP|magic|label|psn value]"},
2166 {"escape", NULL, SetEscape, LOCAL_AUTH | LOCAL_CX,
2167 "escape characters", "set escape hex-digit ..."},
2168 {"filter", NULL, filter_Set, LOCAL_AUTH,
2169 "packet filters", "set filter alive|dial|in|out rule-no permit|deny "
2170 "[src_addr[/width]] [dst_addr[/width]] [tcp|udp|icmp|ospf|igmp "
2171 "[src [lt|eq|gt port]] [dst [lt|eq|gt port]] [estab] [syn] [finrst]]"},
2172 {"hangup", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
2173 "hangup script", "set hangup chat-script", (const void *) VAR_HANGUP},
2174 {"ifaddr", NULL, SetInterfaceAddr, LOCAL_AUTH, "destination address",
2175 "set ifaddr [src-addr [dst-addr [netmask [trg-addr]]]]"},
2176 {"ifqueue", NULL, SetVariable, LOCAL_AUTH, "interface queue",
2177 "set ifqueue packets", (const void *)VAR_IFQUEUE},
2178 {"ipcpretry", "ipcpretries", SetVariable, LOCAL_AUTH, "IPCP retries",
2179 "set ipcpretry value [attempts]", (const void *)VAR_IPCPRETRY},
2180 {"lcpretry", "lcpretries", SetVariable, LOCAL_AUTH | LOCAL_CX, "LCP retries",
2181 "set lcpretry value [attempts]", (const void *)VAR_LCPRETRY},
2182 {"log", NULL, log_SetLevel, LOCAL_AUTH, "log level",
2183 "set log [local] [+|-]all|async|cbcp|ccp|chat|command|connect|debug|dns|hdlc|"
2184 "id0|ipcp|lcp|lqm|phase|physical|sync|tcp/ip|timer|tun..."},
2185 {"login", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
2186 "login script", "set login chat-script", (const void *) VAR_LOGIN},
2187 {"logout", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
2188 "logout script", "set logout chat-script", (const void *) VAR_LOGOUT},
2189 {"lqrperiod", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX_OPT,
2190 "LQR period", "set lqrperiod value", (const void *)VAR_LQRPERIOD},
2191 {"mode", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX, "mode value",
2192 "set mode interactive|auto|ddial|background", (const void *)VAR_MODE},
2193 {"mrru", NULL, SetVariable, LOCAL_AUTH, "MRRU value",
2194 "set mrru value", (const void *)VAR_MRRU},
2195 {"mru", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX_OPT,
2196 "MRU value", "set mru [max[imum]] [value]", (const void *)VAR_MRU},
2197 {"mtu", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
2198 "interface MTU value", "set mtu [max[imum]] [value]", (const void *)VAR_MTU},
2199 {"nbns", NULL, SetVariable, LOCAL_AUTH, "NetBIOS Name Server",
2200 "set nbns pri-addr [sec-addr]", (const void *)VAR_NBNS},
2201 {"openmode", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX, "open mode",
2202 "set openmode active|passive [secs]", (const void *)VAR_OPENMODE},
2203 {"papretry", "papretries", SetVariable, LOCAL_AUTH | LOCAL_CX, "PAP retries",
2204 "set papretry value [attempts]", (const void *)VAR_PAPRETRY},
2205 {"parity", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX, "serial parity",
2206 "set parity [odd|even|none]", (const void *)VAR_PARITY},
2207 {"phone", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX, "telephone number(s)",
2208 "set phone phone1[:phone2[...]]", (const void *)VAR_PHONE},
2209 {"proctitle", "title", SetProcTitle, LOCAL_AUTH,
2210 "Process title", "set proctitle [value]"},
2211#ifndef NORADIUS
2212 {"radius", NULL, SetVariable, LOCAL_AUTH,
2213 "RADIUS Config", "set radius cfgfile", (const void *)VAR_RADIUS},
2214#endif
2215 {"reconnect", NULL, datalink_SetReconnect, LOCAL_AUTH | LOCAL_CX,
2216 "Reconnect timeout", "set reconnect value ntries"},
2217 {"recvpipe", NULL, SetVariable, LOCAL_AUTH,
2218 "RECVPIPE value", "set recvpipe value", (const void *)VAR_RECVPIPE},
2219 {"redial", NULL, datalink_SetRedial, LOCAL_AUTH | LOCAL_CX,
2220 "Redial timeout", "set redial secs[+inc[-incmax]][.next] [attempts]"},
2221 {"sendpipe", NULL, SetVariable, LOCAL_AUTH,
2222 "SENDPIPE value", "set sendpipe value", (const void *)VAR_SENDPIPE},
2223 {"server", "socket", SetServer, LOCAL_AUTH, "diagnostic port",
2224 "set server|socket TcpPort|LocalName|none|open|closed [password [mask]]"},
2225 {"speed", NULL, SetModemSpeed, LOCAL_AUTH | LOCAL_CX,
2226 "physical speed", "set speed value|sync"},
2227 {"stopped", NULL, SetStoppedTimeout, LOCAL_AUTH | LOCAL_CX,
2228 "STOPPED timeouts", "set stopped [LCPseconds [CCPseconds]]"},
2229 {"timeout", NULL, SetVariable, LOCAL_AUTH, "Idle timeout",
2230 "set timeout idletime", (const void *)VAR_IDLETIMEOUT},
2231 {"urgent", NULL, SetVariable, LOCAL_AUTH, "urgent ports",
2232 "set urgent [tcp|udp] [+|-]port...", (const void *)VAR_URGENTPORTS},
2233 {"vj", NULL, ipcp_vjset, LOCAL_AUTH,
2234 "vj values", "set vj slots|slotcomp [value]"},
2235 {"help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
2236 "Display this message", "set help|? [command]", SetCommands},
2237 {NULL, NULL, NULL},
2238};
2239
2240static int
2241SetCommand(struct cmdargs const *arg)
2242{
2243 if (arg->argc > arg->argn)
2244 FindExec(arg->bundle, SetCommands, arg->argc, arg->argn, arg->argv,
2245 arg->prompt, arg->cx);
2246 else if (arg->prompt)
2247 prompt_Printf(arg->prompt, "Use `set ?' to get a list or `set ? <var>' for"
2248 " syntax help.\n");
2249 else
2250 log_Printf(LogWARN, "set command must have arguments\n");
2251
2252 return 0;
2253}
2254
2255static int
2256AddCommand(struct cmdargs const *arg)
2257{
2258 struct in_addr dest, gateway, netmask;
2259 int gw, addrs;
2260
2261 if (arg->argc != arg->argn+3 && arg->argc != arg->argn+2)
2262 return -1;
2263
2264 addrs = 0;
2265 if (arg->argc == arg->argn+2) {
2266 if (!strcasecmp(arg->argv[arg->argn], "default"))
2267 dest.s_addr = netmask.s_addr = INADDR_ANY;
2268 else {
2269 int width;
2270
2271 if (!ParseAddr(&arg->bundle->ncp.ipcp, arg->argv[arg->argn],
2272 &dest, &netmask, &width))
2273 return -1;
2274 if (!strncasecmp(arg->argv[arg->argn], "MYADDR", 6))
2275 addrs = ROUTE_DSTMYADDR;
2276 else if (!strncasecmp(arg->argv[arg->argn], "HISADDR", 7))
2277 addrs = ROUTE_DSTHISADDR;
2278 else if (!strncasecmp(arg->argv[arg->argn], "DNS0", 4))
2279 addrs = ROUTE_DSTDNS0;
2280 else if (!strncasecmp(arg->argv[arg->argn], "DNS1", 4))
2281 addrs = ROUTE_DSTDNS1;
2282 }
2283 gw = 1;
2284 } else {
2285 if (strcasecmp(arg->argv[arg->argn], "MYADDR") == 0) {
2286 addrs = ROUTE_DSTMYADDR;
2287 dest = arg->bundle->ncp.ipcp.my_ip;
2288 } else if (strcasecmp(arg->argv[arg->argn], "HISADDR") == 0) {
2289 addrs = ROUTE_DSTHISADDR;
2290 dest = arg->bundle->ncp.ipcp.peer_ip;
2291 } else if (strcasecmp(arg->argv[arg->argn], "DNS0") == 0) {
2292 addrs = ROUTE_DSTDNS0;
2293 dest = arg->bundle->ncp.ipcp.ns.dns[0];
2294 } else if (strcasecmp(arg->argv[arg->argn], "DNS1") == 0) {
2295 addrs = ROUTE_DSTDNS1;
2296 dest = arg->bundle->ncp.ipcp.ns.dns[1];
2297 } else {
2298 dest = GetIpAddr(arg->argv[arg->argn]);
2299 if (dest.s_addr == INADDR_NONE) {
2300 log_Printf(LogWARN, "%s: Invalid destination address\n",
2301 arg->argv[arg->argn]);
2302 return -1;
2303 }
2304 }
2305 netmask = GetIpAddr(arg->argv[arg->argn+1]);
2306 gw = 2;
2307 }
2308
2309 if (strcasecmp(arg->argv[arg->argn+gw], "HISADDR") == 0) {
2310 gateway = arg->bundle->ncp.ipcp.peer_ip;
2311 addrs |= ROUTE_GWHISADDR;
2312 } else {
2313 gateway = GetIpAddr(arg->argv[arg->argn+gw]);
2314 if (gateway.s_addr == INADDR_NONE) {
2315 log_Printf(LogWARN, "%s: Invalid gateway address\n",
2316 arg->argv[arg->argn + gw]);
2317 return -1;
2318 }
2319 }
2320
2321 if (rt_Set(arg->bundle, RTM_ADD, dest, gateway, netmask,
2322 arg->cmd->args ? 1 : 0, (addrs & ROUTE_GWHISADDR) ? 1 : 0)
2323 && addrs != ROUTE_STATIC)
2324 route_Add(&arg->bundle->ncp.ipcp.route, addrs, dest, netmask, gateway);
2325
2326 return 0;
2327}
2328
2329static int
2330DeleteCommand(struct cmdargs const *arg)
2331{
2332 struct in_addr dest, none;
2333 int addrs;
2334
2335 if (arg->argc == arg->argn+1) {
2336 if(strcasecmp(arg->argv[arg->argn], "all") == 0) {
2337 route_IfDelete(arg->bundle, 0);
2338 route_DeleteAll(&arg->bundle->ncp.ipcp.route);
2339 } else {
2340 addrs = 0;
2341 if (strcasecmp(arg->argv[arg->argn], "MYADDR") == 0) {
2342 dest = arg->bundle->ncp.ipcp.my_ip;
2343 addrs = ROUTE_DSTMYADDR;
2344 } else if (strcasecmp(arg->argv[arg->argn], "HISADDR") == 0) {
2345 dest = arg->bundle->ncp.ipcp.peer_ip;
2346 addrs = ROUTE_DSTHISADDR;
2347 } else if (strcasecmp(arg->argv[arg->argn], "DNS0") == 0) {
2348 dest = arg->bundle->ncp.ipcp.ns.dns[0];
2349 addrs = ROUTE_DSTDNS0;
2350 } else if (strcasecmp(arg->argv[arg->argn], "DNS1") == 0) {
2351 dest = arg->bundle->ncp.ipcp.ns.dns[1];
2352 addrs = ROUTE_DSTDNS1;
2353 } else {
2354 dest = GetIpAddr(arg->argv[arg->argn]);
2355 if (dest.s_addr == INADDR_NONE) {
2356 log_Printf(LogWARN, "%s: Invalid IP address\n", arg->argv[arg->argn]);
2357 return -1;
2358 }
2359 addrs = ROUTE_STATIC;
2360 }
2361 none.s_addr = INADDR_ANY;
2362 rt_Set(arg->bundle, RTM_DELETE, dest, none, none,
2363 arg->cmd->args ? 1 : 0, 0);
2364 route_Delete(&arg->bundle->ncp.ipcp.route, addrs, dest);
2365 }
2366 } else
2367 return -1;
2368
2369 return 0;
2370}
2371
2372#ifndef NONAT
2373static int
2374NatEnable(struct cmdargs const *arg)
2375{
2376 if (arg->argc == arg->argn+1) {
2377 if (strcasecmp(arg->argv[arg->argn], "yes") == 0) {
2378 if (!arg->bundle->NatEnabled) {
2379 if (arg->bundle->ncp.ipcp.fsm.state == ST_OPENED)
2380 PacketAliasSetAddress(arg->bundle->ncp.ipcp.my_ip);
2381 arg->bundle->NatEnabled = 1;
2382 }
2383 return 0;
2384 } else if (strcasecmp(arg->argv[arg->argn], "no") == 0) {
2385 arg->bundle->NatEnabled = 0;
2386 arg->bundle->cfg.opt &= ~OPT_IFACEALIAS;
2387 /* Don't iface_Clear() - there may be manually configured addresses */
2388 return 0;
2389 }
2390 }
2391
2392 return -1;
2393}
2394
2395
2396static int
2397NatOption(struct cmdargs const *arg)
2398{
2399 long param = (long)arg->cmd->args;
2400
2401 if (arg->argc == arg->argn+1) {
2402 if (strcasecmp(arg->argv[arg->argn], "yes") == 0) {
2403 if (arg->bundle->NatEnabled) {
2404 PacketAliasSetMode(param, param);
2405 return 0;
2406 }
2407 log_Printf(LogWARN, "nat not enabled\n");
2408 } else if (strcmp(arg->argv[arg->argn], "no") == 0) {
2409 if (arg->bundle->NatEnabled) {
2410 PacketAliasSetMode(0, param);
2411 return 0;
2412 }
2413 log_Printf(LogWARN, "nat not enabled\n");
2414 }
2415 }
2416 return -1;
2417}
2418#endif /* #ifndef NONAT */
2419
2420static int
2421LinkCommand(struct cmdargs const *arg)
2422{
2423 if (arg->argc > arg->argn+1) {
2424 char namelist[LINE_LEN];
2425 struct datalink *cx;
2426 char *name;
2427 int result = 0;
2428
2429 if (!strcmp(arg->argv[arg->argn], "*")) {
2430 struct datalink *dl;
2431
2432 cx = arg->bundle->links;
2433 while (cx) {
2434 /* Watch it, the command could be a ``remove'' */
2435 dl = cx->next;
2436 FindExec(arg->bundle, Commands, arg->argc, arg->argn+1, arg->argv,
2437 arg->prompt, cx);
2438 for (cx = arg->bundle->links; cx; cx = cx->next)
2439 if (cx == dl)
2440 break; /* Pointer's still valid ! */
2441 }
2442 } else {
2443 strncpy(namelist, arg->argv[arg->argn], sizeof namelist - 1);
2444 namelist[sizeof namelist - 1] = '\0';
2445 for(name = strtok(namelist, ", "); name; name = strtok(NULL,", "))
2446 if (!bundle2datalink(arg->bundle, name)) {
2447 log_Printf(LogWARN, "link: %s: Invalid link name\n", name);
2448 return 1;
2449 }
2450
2451 strncpy(namelist, arg->argv[arg->argn], sizeof namelist - 1);
2452 namelist[sizeof namelist - 1] = '\0';
2453 for(name = strtok(namelist, ", "); name; name = strtok(NULL,", ")) {
2454 cx = bundle2datalink(arg->bundle, name);
2455 if (cx)
2456 FindExec(arg->bundle, Commands, arg->argc, arg->argn+1, arg->argv,
2457 arg->prompt, cx);
2458 else {
2459 log_Printf(LogWARN, "link: %s: Invalidated link name !\n", name);
2460 result++;
2461 }
2462 }
2463 }
2464 return result;
2465 }
2466
2467 log_Printf(LogWARN, "Usage: %s\n", arg->cmd->syntax);
2468 return 2;
2469}
2470
2471struct link *
2472command_ChooseLink(struct cmdargs const *arg)
2473{
2474 if (arg->cx)
2475 return &arg->cx->physical->link;
2476 else if (!arg->bundle->ncp.mp.cfg.mrru) {
2477 struct datalink *dl = bundle2datalink(arg->bundle, NULL);
2478 if (dl)
2479 return &dl->physical->link;
2480 }
2481 return &arg->bundle->ncp.mp.link;
2482}
2483
2484static const char *
2485ident_cmd(const char *cmd, unsigned *keep, unsigned *add)
2486{
2487 const char *result;
2488
2489 switch (*cmd) {
2490 case 'A':
2491 case 'a':
2492 result = "accept";
2493 *keep = NEG_MYMASK;
2494 *add = NEG_ACCEPTED;
2495 break;
2496 case 'D':
2497 case 'd':
2498 switch (cmd[1]) {
2499 case 'E':
2500 case 'e':
2501 result = "deny";
2502 *keep = NEG_MYMASK;
2503 *add = 0;
2504 break;
2505 case 'I':
2506 case 'i':
2507 result = "disable";
2508 *keep = NEG_HISMASK;
2509 *add = 0;
2510 break;
2511 default:
2512 return NULL;
2513 }
2514 break;
2515 case 'E':
2516 case 'e':
2517 result = "enable";
2518 *keep = NEG_HISMASK;
2519 *add = NEG_ENABLED;
2520 break;
2521 default:
2522 return NULL;
2523 }
2524
2525 return result;
2526}
2527
2528static int
2529OptSet(struct cmdargs const *arg)
2530{
2531 int bit = (int)(long)arg->cmd->args;
2532 const char *cmd;
2533 unsigned keep; /* Keep these bits */
2534 unsigned add; /* Add these bits */
2535
2536 if ((cmd = ident_cmd(arg->argv[arg->argn-2], &keep, &add)) == NULL)
2537 return 1;
2538
2539 if (add)
2540 arg->bundle->cfg.opt |= bit;
2541 else
2542 arg->bundle->cfg.opt &= ~bit;
2543 return 0;
2544}
2545
2546static int
2547IfaceAliasOptSet(struct cmdargs const *arg)
2548{
2549 unsigned save = arg->bundle->cfg.opt;
2550 int result = OptSet(arg);
2551
2552 if (result == 0)
2553 if (Enabled(arg->bundle, OPT_IFACEALIAS) && !arg->bundle->NatEnabled) {
2554 arg->bundle->cfg.opt = save;
2555 log_Printf(LogWARN, "Cannot enable iface-alias without NAT\n");
2556 result = 2;
2557 }
2558
2559 return result;
2560}
2561
2562static int
2563NegotiateSet(struct cmdargs const *arg)
2564{
2565 long param = (long)arg->cmd->args;
2566 struct link *l = command_ChooseLink(arg); /* LOCAL_CX_OPT uses this */
2567 struct datalink *cx = arg->cx; /* LOCAL_CX uses this */
2568 const char *cmd;
2569 unsigned keep; /* Keep these bits */
2570 unsigned add; /* Add these bits */
2571
2572 if ((cmd = ident_cmd(arg->argv[arg->argn-2], &keep, &add)) == NULL)
2573 return 1;
2574
2575 if ((arg->cmd->lauth & LOCAL_CX) && !cx) {
2576 log_Printf(LogWARN, "%s %s: No context (use the `link' command)\n",
2577 cmd, arg->cmd->name);
2578 return 2;
2579 } else if (cx && !(arg->cmd->lauth & (LOCAL_CX|LOCAL_CX_OPT))) {
2580 log_Printf(LogWARN, "%s %s: Redundant context (%s) ignored\n",
2581 cmd, arg->cmd->name, cx->name);
2582 cx = NULL;
2583 }
2584
2585 switch (param) {
2586 case NEG_ACFCOMP:
2587 cx->physical->link.lcp.cfg.acfcomp &= keep;
2588 cx->physical->link.lcp.cfg.acfcomp |= add;
2589 break;
2590 case NEG_CHAP05:
2591 cx->physical->link.lcp.cfg.chap05 &= keep;
2592 cx->physical->link.lcp.cfg.chap05 |= add;
2593 break;
2594#ifdef HAVE_DES
2595 case NEG_CHAP80:
2596 cx->physical->link.lcp.cfg.chap80nt &= keep;
2597 cx->physical->link.lcp.cfg.chap80nt |= add;
2598 break;
2599 case NEG_CHAP80LM:
2600 cx->physical->link.lcp.cfg.chap80lm &= keep;
2601 cx->physical->link.lcp.cfg.chap80lm |= add;
2602 break;
2603 case NEG_CHAP81:
2604 cx->physical->link.lcp.cfg.chap81 &= keep;
2605 cx->physical->link.lcp.cfg.chap81 |= add;
2606 break;
2607 case NEG_MPPE:
2608 l->ccp.cfg.neg[CCP_NEG_MPPE] &= keep;
2609 l->ccp.cfg.neg[CCP_NEG_MPPE] |= add;
2610 break;
2611#endif
2612 case NEG_DEFLATE:
2613 l->ccp.cfg.neg[CCP_NEG_DEFLATE] &= keep;
2614 l->ccp.cfg.neg[CCP_NEG_DEFLATE] |= add;
2615 break;
2616 case NEG_DNS:
2617 arg->bundle->ncp.ipcp.cfg.ns.dns_neg &= keep;
2618 arg->bundle->ncp.ipcp.cfg.ns.dns_neg |= add;
2619 break;
2620 case NEG_ENDDISC:
2621 arg->bundle->ncp.mp.cfg.negenddisc &= keep;
2622 arg->bundle->ncp.mp.cfg.negenddisc |= add;
2623 break;
2624 case NEG_LQR:
2625 cx->physical->link.lcp.cfg.lqr &= keep;
2626 cx->physical->link.lcp.cfg.lqr |= add;
2627 break;
2628 case NEG_PAP:
2629 cx->physical->link.lcp.cfg.pap &= keep;
2630 cx->physical->link.lcp.cfg.pap |= add;
2631 break;
2632 case NEG_PPPDDEFLATE:
2633 l->ccp.cfg.neg[CCP_NEG_DEFLATE24] &= keep;
2634 l->ccp.cfg.neg[CCP_NEG_DEFLATE24] |= add;
2635 break;
2636 case NEG_PRED1:
2637 l->ccp.cfg.neg[CCP_NEG_PRED1] &= keep;
2638 l->ccp.cfg.neg[CCP_NEG_PRED1] |= add;
2639 break;
2640 case NEG_PROTOCOMP:
2641 cx->physical->link.lcp.cfg.protocomp &= keep;
2642 cx->physical->link.lcp.cfg.protocomp |= add;
2643 break;
2644 case NEG_SHORTSEQ:
2645 switch (bundle_Phase(arg->bundle)) {
2646 case PHASE_DEAD:
2647 break;
2648 case PHASE_ESTABLISH:
2649 /* Make sure none of our links are DATALINK_LCP or greater */
2650 if (bundle_HighestState(arg->bundle) >= DATALINK_LCP) {
2651 log_Printf(LogWARN, "shortseq: Only changable before"
2652 " LCP negotiations\n");
2653 return 1;
2654 }
2655 break;
2656 default:
2657 log_Printf(LogWARN, "shortseq: Only changable at phase"
2658 " DEAD/ESTABLISH\n");
2659 return 1;
2660 }
2661 arg->bundle->ncp.mp.cfg.shortseq &= keep;
2662 arg->bundle->ncp.mp.cfg.shortseq |= add;
2663 break;
2664 case NEG_VJCOMP:
2665 arg->bundle->ncp.ipcp.cfg.vj.neg &= keep;
2666 arg->bundle->ncp.ipcp.cfg.vj.neg |= add;
2667 break;
2668 }
2669
2670 return 0;
2671}
2672
2673static struct cmdtab const NegotiateCommands[] = {
2674 {"filter-decapsulation", NULL, OptSet, LOCAL_AUTH,
2675 "filter on PPPoUDP payloads", "disable|enable",
2676 (const void *)OPT_FILTERDECAP},
2677 {"idcheck", NULL, OptSet, LOCAL_AUTH, "Check FSM reply ids",
2678 "disable|enable", (const void *)OPT_IDCHECK},
2679 {"iface-alias", NULL, IfaceAliasOptSet, LOCAL_AUTH,
2680 "retain interface addresses", "disable|enable",
2681 (const void *)OPT_IFACEALIAS},
2682 {"keep-session", NULL, OptSet, LOCAL_AUTH, "Retain device session leader",
2683 "disable|enable", (const void *)OPT_KEEPSESSION},
2684 {"loopback", NULL, OptSet, LOCAL_AUTH, "Loop packets for local iface",
2685 "disable|enable", (const void *)OPT_LOOPBACK},
2686 {"passwdauth", NULL, OptSet, LOCAL_AUTH, "Use passwd file",
2687 "disable|enable", (const void *)OPT_PASSWDAUTH},
2688 {"proxy", NULL, OptSet, LOCAL_AUTH, "Create a proxy ARP entry",
2689 "disable|enable", (const void *)OPT_PROXY},
2690 {"proxyall", NULL, OptSet, LOCAL_AUTH, "Proxy ARP for all remote hosts",
2691 "disable|enable", (const void *)OPT_PROXYALL},
2692 {"sroutes", NULL, OptSet, LOCAL_AUTH, "Use sticky routes",
2693 "disable|enable", (const void *)OPT_SROUTES},
2694 {"tcpmssfixup", "mssfixup", OptSet, LOCAL_AUTH, "Modify MSS options",
2695 "disable|enable", (const void *)OPT_TCPMSSFIXUP},
2696 {"throughput", NULL, OptSet, LOCAL_AUTH, "Rolling throughput",
2697 "disable|enable", (const void *)OPT_THROUGHPUT},
2698 {"utmp", NULL, OptSet, LOCAL_AUTH, "Log connections in utmp",
2699 "disable|enable", (const void *)OPT_UTMP},
2700
2701#define OPT_MAX 11 /* accept/deny allowed below and not above */
2702
2703 {"acfcomp", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX,
2704 "Address & Control field compression", "accept|deny|disable|enable",
2705 (const void *)NEG_ACFCOMP},
2706 {"chap", "chap05", NegotiateSet, LOCAL_AUTH | LOCAL_CX,
2707 "Challenge Handshake Authentication Protocol", "accept|deny|disable|enable",
2708 (const void *)NEG_CHAP05},
2709#ifdef HAVE_DES
2710 {"mschap", "chap80nt", NegotiateSet, LOCAL_AUTH | LOCAL_CX,
2711 "Microsoft (NT) CHAP", "accept|deny|disable|enable",
2712 (const void *)NEG_CHAP80},
2713 {"LANMan", "chap80lm", NegotiateSet, LOCAL_AUTH | LOCAL_CX,
2714 "Microsoft (NT) CHAP", "accept|deny|disable|enable",
2715 (const void *)NEG_CHAP80LM},
2716 {"mschapv2", "chap81", NegotiateSet, LOCAL_AUTH | LOCAL_CX,
2717 "Microsoft CHAP v2", "accept|deny|disable|enable",
2718 (const void *)NEG_CHAP81},
2719 {"mppe", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX_OPT,
2720 "MPPE encryption", "accept|deny|disable|enable",
2721 (const void *)NEG_MPPE},
2722#endif
2723 {"deflate", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX_OPT,
2724 "Deflate compression", "accept|deny|disable|enable",
2725 (const void *)NEG_DEFLATE},
2726 {"deflate24", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX_OPT,
2727 "Deflate (type 24) compression", "accept|deny|disable|enable",
2728 (const void *)NEG_PPPDDEFLATE},
2729 {"dns", NULL, NegotiateSet, LOCAL_AUTH,
2730 "DNS specification", "accept|deny|disable|enable", (const void *)NEG_DNS},
2731 {"enddisc", NULL, NegotiateSet, LOCAL_AUTH, "ENDDISC negotiation",
2732 "accept|deny|disable|enable", (const void *)NEG_ENDDISC},
2733 {"lqr", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX,
2734 "Link Quality Reports", "accept|deny|disable|enable",
2735 (const void *)NEG_LQR},
2736 {"pap", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX,
2737 "Password Authentication protocol", "accept|deny|disable|enable",
2738 (const void *)NEG_PAP},
2739 {"pred1", "predictor1", NegotiateSet, LOCAL_AUTH | LOCAL_CX_OPT,
2740 "Predictor 1 compression", "accept|deny|disable|enable",
2741 (const void *)NEG_PRED1},
2742 {"protocomp", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX,
2743 "Protocol field compression", "accept|deny|disable|enable",
2744 (const void *)NEG_PROTOCOMP},
2745 {"shortseq", NULL, NegotiateSet, LOCAL_AUTH,
2746 "MP Short Sequence Numbers", "accept|deny|disable|enable",
2747 (const void *)NEG_SHORTSEQ},
2748 {"vjcomp", NULL, NegotiateSet, LOCAL_AUTH,
2749 "Van Jacobson header compression", "accept|deny|disable|enable",
2750 (const void *)NEG_VJCOMP},
2751 {"help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
2752 "Display this message", "accept|deny|disable|enable help|? [value]",
2753 NegotiateCommands},
2754 {NULL, NULL, NULL},
2755};
2756
2757static int
2758NegotiateCommand(struct cmdargs const *arg)
2759{
2760 if (arg->argc > arg->argn) {
2761 char const *argv[3];
2762 unsigned keep, add;
2763 int n;
2764
2765 if ((argv[0] = ident_cmd(arg->argv[arg->argn-1], &keep, &add)) == NULL)
2766 return -1;
2767 argv[2] = NULL;
2768
2769 for (n = arg->argn; n < arg->argc; n++) {
2770 argv[1] = arg->argv[n];
2771 FindExec(arg->bundle, NegotiateCommands + (keep == NEG_HISMASK ?
2772 0 : OPT_MAX), 2, 1, argv, arg->prompt, arg->cx);
2773 }
2774 } else if (arg->prompt)
2775 prompt_Printf(arg->prompt, "Use `%s ?' to get a list.\n",
2776 arg->argv[arg->argn-1]);
2777 else
2778 log_Printf(LogWARN, "%s command must have arguments\n",
2779 arg->argv[arg->argn] );
2780
2781 return 0;
2782}
2783
2784const char *
2785command_ShowNegval(unsigned val)
2786{
2787 switch (val&3) {
2788 case 1: return "disabled & accepted";
2789 case 2: return "enabled & denied";
2790 case 3: return "enabled & accepted";
2791 }
2792 return "disabled & denied";
2793}
2794
2795static int
2796ClearCommand(struct cmdargs const *arg)
2797{
2798 struct pppThroughput *t;
2799 struct datalink *cx;
2800 int i, clear_type;
2801
2802 if (arg->argc < arg->argn + 1)
2803 return -1;
2804
2805 if (strcasecmp(arg->argv[arg->argn], "physical") == 0) {
2806 cx = arg->cx;
2807 if (!cx)
2808 cx = bundle2datalink(arg->bundle, NULL);
2809 if (!cx) {
2810 log_Printf(LogWARN, "A link must be specified for ``clear physical''\n");
2811 return 1;
2812 }
2813 t = &cx->physical->link.stats.total;
2814 } else if (strcasecmp(arg->argv[arg->argn], "ipcp") == 0)
2815 t = &arg->bundle->ncp.ipcp.throughput;
2816 else
2817 return -1;
2818
2819 if (arg->argc > arg->argn + 1) {
2820 clear_type = 0;
2821 for (i = arg->argn + 1; i < arg->argc; i++)
2822 if (strcasecmp(arg->argv[i], "overall") == 0)
2823 clear_type |= THROUGHPUT_OVERALL;
2824 else if (strcasecmp(arg->argv[i], "current") == 0)
2825 clear_type |= THROUGHPUT_CURRENT;
2826 else if (strcasecmp(arg->argv[i], "peak") == 0)
2827 clear_type |= THROUGHPUT_PEAK;
2828 else
2829 return -1;
2830 } else
2831 clear_type = THROUGHPUT_ALL;
2832
2833 throughput_clear(t, clear_type, arg->prompt);
2834 return 0;
2835}
2836
2837static int
2838RunListCommand(struct cmdargs const *arg)
2839{
2840 const char *cmd = arg->argc ? arg->argv[arg->argc - 1] : "???";
2841
2842#ifndef NONAT
2843 if (arg->cmd->args == NatCommands &&
2844 tolower(*arg->argv[arg->argn - 1]) == 'a') {
2845 if (arg->prompt)
2846 prompt_Printf(arg->prompt, "The alias command is deprecated\n");
2847 else
2848 log_Printf(LogWARN, "The alias command is deprecated\n");
2849 }
2850#endif
2851
2852 if (arg->argc > arg->argn)
2853 FindExec(arg->bundle, arg->cmd->args, arg->argc, arg->argn, arg->argv,
2854 arg->prompt, arg->cx);
2855 else if (arg->prompt)
2856 prompt_Printf(arg->prompt, "Use `%s help' to get a list or `%s help"
2857 " <option>' for syntax help.\n", cmd, cmd);
2858 else
2859 log_Printf(LogWARN, "%s command must have arguments\n", cmd);
2860
2861 return 0;
2862}
2863
2864static int
2865IfaceAddCommand(struct cmdargs const *arg)
2866{
2867 int bits, n, how;
2868 struct in_addr ifa, mask, brd;
2869
2870 if (arg->argc == arg->argn + 1) {
2871 if (!ParseAddr(NULL, arg->argv[arg->argn], &ifa, NULL, NULL))
2872 return -1;
2873 mask.s_addr = brd.s_addr = INADDR_BROADCAST;
2874 } else {
2875 if (arg->argc == arg->argn + 2) {
2876 if (!ParseAddr(NULL, arg->argv[arg->argn], &ifa, &mask, &bits))
2877 return -1;
2878 n = 1;
2879 } else if (arg->argc == arg->argn + 3) {
2880 if (!ParseAddr(NULL, arg->argv[arg->argn], &ifa, NULL, NULL))
2881 return -1;
2882 if (!ParseAddr(NULL, arg->argv[arg->argn + 1], &mask, NULL, NULL))
2883 return -1;
2884 n = 2;
2885 } else
2886 return -1;
2887
2888 if (!ParseAddr(NULL, arg->argv[arg->argn + n], &brd, NULL, NULL))
2889 return -1;
2890 }
2891
2892 how = IFACE_ADD_LAST;
2893 if (arg->cmd->args)
2894 how |= IFACE_FORCE_ADD;
2895
2896 return !iface_inAdd(arg->bundle->iface, ifa, mask, brd, how);
2897}
2898
2899static int
2900IfaceDeleteCommand(struct cmdargs const *arg)
2901{
2902 struct in_addr ifa;
2903 int ok;
2904
2905 if (arg->argc != arg->argn + 1)
2906 return -1;
2907
2908 if (!ParseAddr(NULL, arg->argv[arg->argn], &ifa, NULL, NULL))
2909 return -1;
2910
2911 if (arg->bundle->ncp.ipcp.fsm.state == ST_OPENED &&
2912 arg->bundle->ncp.ipcp.my_ip.s_addr == ifa.s_addr) {
2913 log_Printf(LogWARN, "%s: Cannot remove active interface address\n",
2914 inet_ntoa(ifa));
2915 return 1;
2916 }
2917
2918 ok = iface_inDelete(arg->bundle->iface, ifa);
2919 if (!ok) {
2920 if (arg->cmd->args)
2921 ok = 1;
2922 else if (arg->prompt)
2923 prompt_Printf(arg->prompt, "%s: No such address\n", inet_ntoa(ifa));
2924 else
2925 log_Printf(LogWARN, "%s: No such address\n", inet_ntoa(ifa));
2926 }
2927
2928 return !ok;
2929}
2930
2931static int
2932IfaceClearCommand(struct cmdargs const *arg)
2933{
2934 int how;
2935
2936 if (arg->argc != arg->argn)
2937 return -1;
2938
2939 how = arg->bundle->ncp.ipcp.fsm.state == ST_OPENED ||
2940 arg->bundle->phys_type.all & PHYS_AUTO ?
2941 IFACE_CLEAR_ALIASES : IFACE_CLEAR_ALL;
2942 iface_Clear(arg->bundle->iface, how);
2943
2944 return 0;
2945}
2946
2947static int
2948SetProcTitle(struct cmdargs const *arg)
2949{
2950 static char title[LINE_LEN];
2951 char *argv[MAXARGS], *ptr;
2952 int len, remaining, f, argc = arg->argc - arg->argn;
2953
2954 if (arg->argc == arg->argn) {
2955 SetTitle(NULL);
2956 return 0;
2957 }
2958
2959 if (argc >= sizeof argv / sizeof argv[0]) {
2960 argc = sizeof argv / sizeof argv[0] - 1;
2961 log_Printf(LogWARN, "Truncating proc title to %d args\n", argc);
2962 }
2963 command_Expand(argv, argc, arg->argv + arg->argn, arg->bundle, 1, getpid());
2964
2965 ptr = title;
2966 remaining = sizeof title - 1;
2967 for (f = 0; f < argc && remaining; f++) {
2968 if (f) {
2969 *ptr++ = ' ';
2970 remaining--;
2971 }
2972 len = strlen(argv[f]);
2973 if (len > remaining)
2974 len = remaining;
2975 memcpy(ptr, argv[f], len);
2976 remaining -= len;
2977 ptr += len;
2978 }
2979 *ptr = '\0';
2980
2981 SetTitle(title);
2982
2983 return 0;
2984}