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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 $
28 * $FreeBSD: head/usr.sbin/ppp/command.c 79433 2001-07-09 00:07:56Z 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 {"proto", NULL, nat_RedirectProto, LOCAL_AUTH, "protocol redirection",
636 "nat proto proto localIP [publicIP [remoteIP]]"},
637 {"proxy", NULL, nat_ProxyRule, LOCAL_AUTH,
638 "proxy control", "nat proxy server host[:port] ..."},
639 {"same_ports", NULL, NatOption, LOCAL_AUTH,
640 "try to leave port numbers unchanged", "nat same_ports yes|no",
641 (const void *) PKT_ALIAS_SAME_PORTS},
642 {"target", NULL, nat_SetTarget, LOCAL_AUTH,
643 "Default address for incoming connections", "nat target addr" },
644 {"unregistered_only", NULL, NatOption, LOCAL_AUTH,
645 "translate unregistered (private) IP address space only",
646 "nat unregistered_only yes|no",
647 (const void *) PKT_ALIAS_UNREGISTERED_ONLY},
648 {"use_sockets", NULL, NatOption, LOCAL_AUTH,
649 "allocate host sockets", "nat use_sockets yes|no",
650 (const void *) PKT_ALIAS_USE_SOCKETS},
651 {"help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
652 "Display this message", "nat help|? [command]", NatCommands},
653 {NULL, NULL, NULL},
654};
655#endif
656
657static struct cmdtab const AllowCommands[] = {
658 {"modes", "mode", AllowModes, LOCAL_AUTH,
659 "Only allow certain ppp modes", "allow modes mode..."},
660 {"users", "user", AllowUsers, LOCAL_AUTH,
661 "Only allow ppp access to certain users", "allow users logname..."},
662 {"help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
663 "Display this message", "allow help|? [command]", AllowCommands},
664 {NULL, NULL, NULL},
665};
666
667static struct cmdtab const IfaceCommands[] =
668{
669 {"add", NULL, IfaceAddCommand, LOCAL_AUTH,
670 "Add iface address", "iface add addr[/bits| mask] peer", NULL},
671 {NULL, "add!", IfaceAddCommand, LOCAL_AUTH,
672 "Add or change an iface address", "iface add! addr[/bits| mask] peer",
673 (void *)1},
674 {"clear", NULL, IfaceClearCommand, LOCAL_AUTH,
675 "Clear iface address(es)", "iface clear"},
676 {"delete", "rm", IfaceDeleteCommand, LOCAL_AUTH,
677 "Delete iface address", "iface delete addr", NULL},
678 {NULL, "rm!", IfaceDeleteCommand, LOCAL_AUTH,
679 "Delete iface address", "iface delete addr", (void *)1},
680 {NULL, "delete!", IfaceDeleteCommand, LOCAL_AUTH,
681 "Delete iface address", "iface delete addr", (void *)1},
682 {"show", NULL, iface_Show, LOCAL_AUTH,
683 "Show iface address(es)", "iface show"},
684 {"help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
685 "Display this message", "nat help|? [command]", IfaceCommands},
686 {NULL, NULL, NULL},
687};
688
689static struct cmdtab const Commands[] = {
690 {"accept", NULL, NegotiateCommand, LOCAL_AUTH | LOCAL_CX_OPT,
691 "accept option request", "accept option .."},
692 {"add", NULL, AddCommand, LOCAL_AUTH,
693 "add route", "add dest mask gateway", NULL},
694 {NULL, "add!", AddCommand, LOCAL_AUTH,
695 "add or change route", "add! dest mask gateway", (void *)1},
696 {"allow", "auth", RunListCommand, LOCAL_AUTH,
697 "Allow ppp access", "allow users|modes ....", AllowCommands},
698 {"bg", "!bg", BgShellCommand, LOCAL_AUTH,
699 "Run a background command", "[!]bg command"},
700 {"clear", NULL, ClearCommand, LOCAL_AUTH | LOCAL_CX_OPT,
701 "Clear throughput statistics",
702 "clear ipcp|physical [current|overall|peak]..."},
703 {"clone", NULL, CloneCommand, LOCAL_AUTH | LOCAL_CX,
704 "Clone a link", "clone newname..."},
705 {"close", NULL, CloseCommand, LOCAL_AUTH | LOCAL_CX_OPT,
706 "Close an FSM", "close [lcp|ccp]"},
707 {"delete", NULL, DeleteCommand, LOCAL_AUTH,
708 "delete route", "delete dest", NULL},
709 {NULL, "delete!", DeleteCommand, LOCAL_AUTH,
710 "delete a route if it exists", "delete! dest", (void *)1},
711 {"deny", NULL, NegotiateCommand, LOCAL_AUTH | LOCAL_CX_OPT,
712 "Deny option request", "deny option .."},
713 {"dial", "call", DialCommand, LOCAL_AUTH | LOCAL_CX_OPT,
714 "Dial and login", "dial|call [system ...]", NULL},
715 {"disable", NULL, NegotiateCommand, LOCAL_AUTH | LOCAL_CX_OPT,
716 "Disable option", "disable option .."},
717 {"down", NULL, DownCommand, LOCAL_AUTH | LOCAL_CX_OPT,
718 "Generate a down event", "down [ccp|lcp]"},
719 {"enable", NULL, NegotiateCommand, LOCAL_AUTH | LOCAL_CX_OPT,
720 "Enable option", "enable option .."},
721 {"ident", NULL, IdentCommand, LOCAL_AUTH | LOCAL_CX,
722 "Set the link identity", "ident text..."},
723 {"iface", "interface", RunListCommand, LOCAL_AUTH,
724 "interface control", "iface option ...", IfaceCommands},
725 {"link", "datalink", LinkCommand, LOCAL_AUTH,
726 "Link specific commands", "link name command ..."},
727 {"load", NULL, LoadCommand, LOCAL_AUTH | LOCAL_CX_OPT,
728 "Load settings", "load [system ...]"},
729#ifndef NONAT
730 {"nat", "alias", RunListCommand, LOCAL_AUTH,
731 "NAT control", "nat option yes|no", NatCommands},
732#endif
733 {"open", NULL, OpenCommand, LOCAL_AUTH | LOCAL_CX_OPT,
734 "Open an FSM", "open! [lcp|ccp|ipcp]", (void *)1},
735 {"passwd", NULL, PasswdCommand, LOCAL_NO_AUTH,
736 "Password for manipulation", "passwd LocalPassword"},
737 {"quit", "bye", QuitCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
738 "Quit PPP program", "quit|bye [all]"},
739 {"remove", "rm", RemoveCommand, LOCAL_AUTH | LOCAL_CX,
740 "Remove a link", "remove"},
741 {"rename", "mv", RenameCommand, LOCAL_AUTH | LOCAL_CX,
742 "Rename a link", "rename name"},
743 {"resolv", NULL, ResolvCommand, LOCAL_AUTH,
744 "Manipulate resolv.conf", "resolv readonly|reload|restore|rewrite|writable"},
745 {"save", NULL, SaveCommand, LOCAL_AUTH,
746 "Save settings", "save"},
747 {"sendident", NULL, SendIdentification, LOCAL_AUTH | LOCAL_CX,
748 "Transmit the link identity", "sendident"},
749 {"set", "setup", SetCommand, LOCAL_AUTH | LOCAL_CX_OPT,
750 "Set parameters", "set[up] var value"},
751 {"shell", "!", FgShellCommand, LOCAL_AUTH,
752 "Run a subshell", "shell|! [sh command]"},
753 {"show", NULL, ShowCommand, LOCAL_AUTH | LOCAL_CX_OPT,
754 "Show status and stats", "show var"},
755 {"term", NULL, TerminalCommand, LOCAL_AUTH | LOCAL_CX,
756 "Enter terminal mode", "term"},
757 {"help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
758 "Display this message", "help|? [command]", Commands},
759 {NULL, NULL, NULL},
760};
761
762static int
763ShowEscape(struct cmdargs const *arg)
764{
765 if (arg->cx->physical->async.cfg.EscMap[32]) {
766 int code, bit;
767 const char *sep = "";
768
769 for (code = 0; code < 32; code++)
770 if (arg->cx->physical->async.cfg.EscMap[code])
771 for (bit = 0; bit < 8; bit++)
772 if (arg->cx->physical->async.cfg.EscMap[code] & (1 << bit)) {
773 prompt_Printf(arg->prompt, "%s0x%02x", sep, (code << 3) + bit);
774 sep = ", ";
775 }
776 prompt_Printf(arg->prompt, "\n");
777 }
778 return 0;
779}
780
781static int
782ShowTimerList(struct cmdargs const *arg)
783{
784 timer_Show(0, arg->prompt);
785 return 0;
786}
787
788static int
789ShowStopped(struct cmdargs const *arg)
790{
791 prompt_Printf(arg->prompt, " Stopped Timer: LCP: ");
792 if (!arg->cx->physical->link.lcp.fsm.StoppedTimer.load)
793 prompt_Printf(arg->prompt, "Disabled");
794 else
795 prompt_Printf(arg->prompt, "%ld secs",
796 arg->cx->physical->link.lcp.fsm.StoppedTimer.load / SECTICKS);
797
798 prompt_Printf(arg->prompt, ", CCP: ");
799 if (!arg->cx->physical->link.ccp.fsm.StoppedTimer.load)
800 prompt_Printf(arg->prompt, "Disabled");
801 else
802 prompt_Printf(arg->prompt, "%ld secs",
803 arg->cx->physical->link.ccp.fsm.StoppedTimer.load / SECTICKS);
804
805 prompt_Printf(arg->prompt, "\n");
806
807 return 0;
808}
809
810static int
811ShowVersion(struct cmdargs const *arg)
812{
813 prompt_Printf(arg->prompt, "PPP Version %s - %s\n", Version, __DATE__);
814 return 0;
815}
816
817static int
818ShowProtocolStats(struct cmdargs const *arg)
819{
820 struct link *l = command_ChooseLink(arg);
821
822 prompt_Printf(arg->prompt, "%s:\n", l->name);
823 link_ReportProtocolStatus(l, arg->prompt);
824 return 0;
825}
826
827static struct cmdtab const ShowCommands[] = {
828 {"bundle", NULL, bundle_ShowStatus, LOCAL_AUTH,
829 "bundle details", "show bundle"},
830 {"ccp", NULL, ccp_ReportStatus, LOCAL_AUTH | LOCAL_CX_OPT,
831 "CCP status", "show cpp"},
832 {"compress", NULL, sl_Show, LOCAL_AUTH,
833 "VJ compression stats", "show compress"},
834 {"escape", NULL, ShowEscape, LOCAL_AUTH | LOCAL_CX,
835 "escape characters", "show escape"},
836 {"filter", NULL, filter_Show, LOCAL_AUTH,
837 "packet filters", "show filter [in|out|dial|alive]"},
838 {"hdlc", NULL, hdlc_ReportStatus, LOCAL_AUTH | LOCAL_CX,
839 "HDLC errors", "show hdlc"},
840 {"iface", "interface", iface_Show, LOCAL_AUTH,
841 "Interface status", "show iface"},
842 {"ipcp", NULL, ipcp_Show, LOCAL_AUTH,
843 "IPCP status", "show ipcp"},
844 {"layers", NULL, link_ShowLayers, LOCAL_AUTH | LOCAL_CX_OPT,
845 "Protocol layers", "show layers"},
846 {"lcp", NULL, lcp_ReportStatus, LOCAL_AUTH | LOCAL_CX,
847 "LCP status", "show lcp"},
848 {"link", "datalink", datalink_Show, LOCAL_AUTH | LOCAL_CX,
849 "(high-level) link info", "show link"},
850 {"links", NULL, bundle_ShowLinks, LOCAL_AUTH,
851 "available link names", "show links"},
852 {"log", NULL, log_ShowLevel, LOCAL_AUTH,
853 "log levels", "show log"},
854 {"mem", NULL, mbuf_Show, LOCAL_AUTH,
855 "mbuf allocations", "show mem"},
856 {"physical", NULL, physical_ShowStatus, LOCAL_AUTH | LOCAL_CX,
857 "(low-level) link info", "show physical"},
858 {"mp", "multilink", mp_ShowStatus, LOCAL_AUTH,
859 "multilink setup", "show mp"},
860 {"proto", NULL, ShowProtocolStats, LOCAL_AUTH | LOCAL_CX_OPT,
861 "protocol summary", "show proto"},
862 {"route", NULL, route_Show, LOCAL_AUTH,
863 "routing table", "show route"},
864 {"stopped", NULL, ShowStopped, LOCAL_AUTH | LOCAL_CX,
865 "STOPPED timeout", "show stopped"},
866 {"timers", NULL, ShowTimerList, LOCAL_AUTH,
867 "alarm timers", "show timers"},
868 {"version", NULL, ShowVersion, LOCAL_NO_AUTH | LOCAL_AUTH,
869 "version string", "show version"},
870 {"who", NULL, log_ShowWho, LOCAL_AUTH,
871 "client list", "show who"},
872 {"help", "?", HelpCommand, LOCAL_NO_AUTH | LOCAL_AUTH,
873 "Display this message", "show help|? [command]", ShowCommands},
874 {NULL, NULL, NULL},
875};
876
877static struct cmdtab const *
878FindCommand(struct cmdtab const *cmds, const char *str, int *pmatch)
879{
880 int nmatch;
881 int len;
882 struct cmdtab const *found;
883
884 found = NULL;
885 len = strlen(str);
886 nmatch = 0;
887 while (cmds->func) {
888 if (cmds->name && strncasecmp(str, cmds->name, len) == 0) {
889 if (cmds->name[len] == '\0') {
890 *pmatch = 1;
891 return cmds;
892 }
893 nmatch++;
894 found = cmds;
895 } else if (cmds->alias && strncasecmp(str, cmds->alias, len) == 0) {
896 if (cmds->alias[len] == '\0') {
897 *pmatch = 1;
898 return cmds;
899 }
900 nmatch++;
901 found = cmds;
902 }
903 cmds++;
904 }
905 *pmatch = nmatch;
906 return found;
907}
908
909static const char *
910mkPrefix(int argc, char const *const *argv, char *tgt, int sz)
911{
912 int f, tlen, len;
913
914 tlen = 0;
915 for (f = 0; f < argc && tlen < sz - 2; f++) {
916 if (f)
917 tgt[tlen++] = ' ';
918 len = strlen(argv[f]);
919 if (len > sz - tlen - 1)
920 len = sz - tlen - 1;
921 strncpy(tgt+tlen, argv[f], len);
922 tlen += len;
923 }
924 tgt[tlen] = '\0';
925 return tgt;
926}
927
928static int
929FindExec(struct bundle *bundle, struct cmdtab const *cmds, int argc, int argn,
930 char const *const *argv, struct prompt *prompt, struct datalink *cx)
931{
932 struct cmdtab const *cmd;
933 int val = 1;
934 int nmatch;
935 struct cmdargs arg;
936 char prefix[100];
937
938 cmd = FindCommand(cmds, argv[argn], &nmatch);
939 if (nmatch > 1)
940 log_Printf(LogWARN, "%s: Ambiguous command\n",
941 mkPrefix(argn+1, argv, prefix, sizeof prefix));
942 else if (cmd && (!prompt || (cmd->lauth & prompt->auth))) {
943 if ((cmd->lauth & LOCAL_CX) && !cx)
944 /* We've got no context, but we require it */
945 cx = bundle2datalink(bundle, NULL);
946
947 if ((cmd->lauth & LOCAL_CX) && !cx)
948 log_Printf(LogWARN, "%s: No context (use the `link' command)\n",
949 mkPrefix(argn+1, argv, prefix, sizeof prefix));
950 else {
951 if (cx && !(cmd->lauth & (LOCAL_CX|LOCAL_CX_OPT))) {
952 log_Printf(LogWARN, "%s: Redundant context (%s) ignored\n",
953 mkPrefix(argn+1, argv, prefix, sizeof prefix), cx->name);
954 cx = NULL;
955 }
956 arg.cmdtab = cmds;
957 arg.cmd = cmd;
958 arg.argc = argc;
959 arg.argn = argn+1;
960 arg.argv = argv;
961 arg.bundle = bundle;
962 arg.cx = cx;
963 arg.prompt = prompt;
964 val = (*cmd->func) (&arg);
965 }
966 } else
967 log_Printf(LogWARN, "%s: Invalid command\n",
968 mkPrefix(argn+1, argv, prefix, sizeof prefix));
969
970 if (val == -1)
971 log_Printf(LogWARN, "Usage: %s\n", cmd->syntax);
972 else if (val)
973 log_Printf(LogWARN, "%s: Failed %d\n",
974 mkPrefix(argn+1, argv, prefix, sizeof prefix), val);
975
976 return val;
977}
978
979int
980command_Expand_Interpret(char *buff, int nb, char *argv[MAXARGS], int offset)
981{
982 char buff2[LINE_LEN-offset];
983
984 InterpretArg(buff, buff2);
985 strncpy(buff, buff2, LINE_LEN - offset - 1);
986 buff[LINE_LEN - offset - 1] = '\0';
987
988 return command_Interpret(buff, nb, argv);
989}
990
991int
992command_Interpret(char *buff, int nb, char *argv[MAXARGS])
993{
994 char *cp;
995
996 if (nb > 0) {
997 cp = buff + strcspn(buff, "\r\n");
998 if (cp)
999 *cp = '\0';
1000 return MakeArgs(buff, argv, MAXARGS, PARSE_REDUCE);
1001 }
1002 return 0;
1003}
1004
1005static int
1006arghidden(int argc, char const *const *argv, int n)
1007{
1008 /* Is arg n of the given command to be hidden from the log ? */
1009
1010 /* set authkey xxxxx */
1011 /* set key xxxxx */
1012 if (n == 2 && !strncasecmp(argv[0], "se", 2) &&
1013 (!strncasecmp(argv[1], "authk", 5) || !strncasecmp(argv[1], "ke", 2)))
1014 return 1;
1015
1016 /* passwd xxxxx */
1017 if (n == 1 && !strncasecmp(argv[0], "p", 1))
1018 return 1;
1019
1020 /* set server port xxxxx .... */
1021 if (n == 3 && !strncasecmp(argv[0], "se", 2) &&
1022 !strncasecmp(argv[1], "se", 2))
1023 return 1;
1024
1025 return 0;
1026}
1027
1028void
1029command_Run(struct bundle *bundle, int argc, char const *const *argv,
1030 struct prompt *prompt, const char *label, struct datalink *cx)
1031{
1032 if (argc > 0) {
1033 if (log_IsKept(LogCOMMAND)) {
1034 char buf[LINE_LEN];
1035 int f, n;
1036
1037 if (label) {
1038 strncpy(buf, label, sizeof buf - 3);
1039 buf[sizeof buf - 3] = '\0';
1040 strcat(buf, ": ");
1041 n = strlen(buf);
1042 } else {
1043 *buf = '\0';
1044 n = 0;
1045 }
1046 buf[sizeof buf - 1] = '\0'; /* In case we run out of room in buf */
1047
1048 for (f = 0; f < argc; f++) {
1049 if (n < sizeof buf - 1 && f)
1050 buf[n++] = ' ';
1051 if (arghidden(argc, argv, f))
1052 strncpy(buf+n, "********", sizeof buf - n - 1);
1053 else
1054 strncpy(buf+n, argv[f], sizeof buf - n - 1);
1055 n += strlen(buf+n);
1056 }
1057 log_Printf(LogCOMMAND, "%s\n", buf);
1058 }
1059 FindExec(bundle, Commands, argc, 0, argv, prompt, cx);
1060 }
1061}
1062
1063int
1064command_Decode(struct bundle *bundle, char *buff, int nb, struct prompt *prompt,
1065 const char *label)
1066{
1067 int argc;
1068 char *argv[MAXARGS];
1069
1070 if ((argc = command_Expand_Interpret(buff, nb, argv, 0)) < 0)
1071 return 0;
1072
1073 command_Run(bundle, argc, (char const *const *)argv, prompt, label, NULL);
1074 return 1;
1075}
1076
1077static int
1078ShowCommand(struct cmdargs const *arg)
1079{
1080 if (!arg->prompt)
1081 log_Printf(LogWARN, "show: Cannot show without a prompt\n");
1082 else if (arg->argc > arg->argn)
1083 FindExec(arg->bundle, ShowCommands, arg->argc, arg->argn, arg->argv,
1084 arg->prompt, arg->cx);
1085 else
1086 prompt_Printf(arg->prompt, "Use ``show ?'' to get a list.\n");
1087
1088 return 0;
1089}
1090
1091static int
1092TerminalCommand(struct cmdargs const *arg)
1093{
1094 if (!arg->prompt) {
1095 log_Printf(LogWARN, "term: Need a prompt\n");
1096 return 1;
1097 }
1098
1099 if (arg->cx->physical->link.lcp.fsm.state > ST_CLOSED) {
1100 prompt_Printf(arg->prompt, "LCP state is [%s]\n",
1101 State2Nam(arg->cx->physical->link.lcp.fsm.state));
1102 return 1;
1103 }
1104
1105 datalink_Up(arg->cx, 0, 0);
1106 prompt_TtyTermMode(arg->prompt, arg->cx);
1107 return 0;
1108}
1109
1110static int
1111QuitCommand(struct cmdargs const *arg)
1112{
1113 if (!arg->prompt || prompt_IsController(arg->prompt) ||
1114 (arg->argc > arg->argn && !strcasecmp(arg->argv[arg->argn], "all") &&
1115 (arg->prompt->auth & LOCAL_AUTH)))
1116 Cleanup(EX_NORMAL);
1117 if (arg->prompt)
1118 prompt_Destroy(arg->prompt, 1);
1119
1120 return 0;
1121}
1122
1123static int
1124OpenCommand(struct cmdargs const *arg)
1125{
1126 if (arg->argc == arg->argn)
1127 bundle_Open(arg->bundle, arg->cx ? arg->cx->name : NULL, PHYS_ALL, 1);
1128 else if (arg->argc == arg->argn + 1) {
1129 if (!strcasecmp(arg->argv[arg->argn], "lcp")) {
1130 struct datalink *cx = arg->cx ?
1131 arg->cx : bundle2datalink(arg->bundle, NULL);
1132 if (cx) {
1133 if (cx->physical->link.lcp.fsm.state == ST_OPENED)
1134 fsm_Reopen(&cx->physical->link.lcp.fsm);
1135 else
1136 bundle_Open(arg->bundle, cx->name, PHYS_ALL, 1);
1137 } else
1138 log_Printf(LogWARN, "open lcp: You must specify a link\n");
1139 } else if (!strcasecmp(arg->argv[arg->argn], "ccp")) {
1140 struct fsm *fp;
1141
1142 fp = &command_ChooseLink(arg)->ccp.fsm;
1143 if (fp->link->lcp.fsm.state != ST_OPENED)
1144 log_Printf(LogWARN, "open: LCP must be open before opening CCP\n");
1145 else if (fp->state == ST_OPENED)
1146 fsm_Reopen(fp);
1147 else {
1148 fp->open_mode = 0; /* Not passive any more */
1149 if (fp->state == ST_STOPPED) {
1150 fsm_Down(fp);
1151 fsm_Up(fp);
1152 } else {
1153 fsm_Up(fp);
1154 fsm_Open(fp);
1155 }
1156 }
1157 } else if (!strcasecmp(arg->argv[arg->argn], "ipcp")) {
1158 if (arg->cx)
1159 log_Printf(LogWARN, "open ipcp: You need not specify a link\n");
1160 if (arg->bundle->ncp.ipcp.fsm.state == ST_OPENED)
1161 fsm_Reopen(&arg->bundle->ncp.ipcp.fsm);
1162 else
1163 bundle_Open(arg->bundle, NULL, PHYS_ALL, 1);
1164 } else
1165 return -1;
1166 } else
1167 return -1;
1168
1169 return 0;
1170}
1171
1172static int
1173CloseCommand(struct cmdargs const *arg)
1174{
1175 if (arg->argc == arg->argn)
1176 bundle_Close(arg->bundle, arg->cx ? arg->cx->name : NULL, CLOSE_STAYDOWN);
1177 else if (arg->argc == arg->argn + 1) {
1178 if (!strcasecmp(arg->argv[arg->argn], "lcp"))
1179 bundle_Close(arg->bundle, arg->cx ? arg->cx->name : NULL, CLOSE_LCP);
1180 else if (!strcasecmp(arg->argv[arg->argn], "ccp") ||
1181 !strcasecmp(arg->argv[arg->argn], "ccp!")) {
1182 struct fsm *fp;
1183
1184 fp = &command_ChooseLink(arg)->ccp.fsm;
1185 if (fp->state == ST_OPENED) {
1186 fsm_Close(fp);
1187 if (arg->argv[arg->argn][3] == '!')
1188 fp->open_mode = 0; /* Stay ST_CLOSED */
1189 else
1190 fp->open_mode = OPEN_PASSIVE; /* Wait for the peer to start */
1191 }
1192 } else
1193 return -1;
1194 } else
1195 return -1;
1196
1197 return 0;
1198}
1199
1200static int
1201DownCommand(struct cmdargs const *arg)
1202{
1203 if (arg->argc == arg->argn) {
1204 if (arg->cx)
1205 datalink_Down(arg->cx, CLOSE_STAYDOWN);
1206 else
1207 bundle_Down(arg->bundle, CLOSE_STAYDOWN);
1208 } else if (arg->argc == arg->argn + 1) {
1209 if (!strcasecmp(arg->argv[arg->argn], "lcp")) {
1210 if (arg->cx)
1211 datalink_Down(arg->cx, CLOSE_LCP);
1212 else
1213 bundle_Down(arg->bundle, CLOSE_LCP);
1214 } else if (!strcasecmp(arg->argv[arg->argn], "ccp")) {
1215 struct fsm *fp = arg->cx ? &arg->cx->physical->link.ccp.fsm :
1216 &arg->bundle->ncp.mp.link.ccp.fsm;
1217 fsm2initial(fp);
1218 } else
1219 return -1;
1220 } else
1221 return -1;
1222
1223 return 0;
1224}
1225
1226static int
1227SetModemSpeed(struct cmdargs const *arg)
1228{
1229 long speed;
1230 char *end;
1231
1232 if (arg->argc > arg->argn && *arg->argv[arg->argn]) {
1233 if (arg->argc > arg->argn+1) {
1234 log_Printf(LogWARN, "SetModemSpeed: Too many arguments\n");
1235 return -1;
1236 }
1237 if (strcasecmp(arg->argv[arg->argn], "sync") == 0) {
1238 physical_SetSync(arg->cx->physical);
1239 return 0;
1240 }
1241 end = NULL;
1242 speed = strtol(arg->argv[arg->argn], &end, 10);
1243 if (*end) {
1244 log_Printf(LogWARN, "SetModemSpeed: Bad argument \"%s\"",
1245 arg->argv[arg->argn]);
1246 return -1;
1247 }
1248 if (physical_SetSpeed(arg->cx->physical, speed))
1249 return 0;
1250 log_Printf(LogWARN, "%s: Invalid speed\n", arg->argv[arg->argn]);
1251 } else
1252 log_Printf(LogWARN, "SetModemSpeed: No speed specified\n");
1253
1254 return -1;
1255}
1256
1257static int
1258SetStoppedTimeout(struct cmdargs const *arg)
1259{
1260 struct link *l = &arg->cx->physical->link;
1261
1262 l->lcp.fsm.StoppedTimer.load = 0;
1263 l->ccp.fsm.StoppedTimer.load = 0;
1264 if (arg->argc <= arg->argn+2) {
1265 if (arg->argc > arg->argn) {
1266 l->lcp.fsm.StoppedTimer.load = atoi(arg->argv[arg->argn]) * SECTICKS;
1267 if (arg->argc > arg->argn+1)
1268 l->ccp.fsm.StoppedTimer.load = atoi(arg->argv[arg->argn+1]) * SECTICKS;
1269 }
1270 return 0;
1271 }
1272 return -1;
1273}
1274
1275static int
1276SetServer(struct cmdargs const *arg)
1277{
1278 int res = -1;
1279
1280 if (arg->argc > arg->argn && arg->argc < arg->argn+4) {
1281 const char *port, *passwd, *mask;
1282 int mlen;
1283
1284 /* What's what ? */
1285 port = arg->argv[arg->argn];
1286 if (arg->argc == arg->argn + 2) {
1287 passwd = arg->argv[arg->argn+1];
1288 mask = NULL;
1289 } else if (arg->argc == arg->argn + 3) {
1290 passwd = arg->argv[arg->argn+1];
1291 mask = arg->argv[arg->argn+2];
1292 mlen = strlen(mask);
1293 if (mlen == 0 || mlen > 4 || strspn(mask, "01234567") != mlen ||
1294 (mlen == 4 && *mask != '0')) {
1295 log_Printf(LogWARN, "%s %s: %s: Invalid mask\n",
1296 arg->argv[arg->argn - 2], arg->argv[arg->argn - 1], mask);
1297 return -1;
1298 }
1299 } else if (arg->argc != arg->argn + 1)
1300 return -1;
1301 else if (strcasecmp(port, "none") == 0) {
1302 if (server_Clear(arg->bundle))
1303 log_Printf(LogPHASE, "Disabled server socket\n");
1304 return 0;
1305 } else if (strcasecmp(port, "open") == 0) {
1306 switch (server_Reopen(arg->bundle)) {
1307 case SERVER_OK:
1308 return 0;
1309 case SERVER_FAILED:
1310 log_Printf(LogWARN, "Failed to reopen server port\n");
1311 return 1;
1312 case SERVER_UNSET:
1313 log_Printf(LogWARN, "Cannot reopen unset server socket\n");
1314 return 1;
1315 default:
1316 break;
1317 }
1318 return -1;
1319 } else if (strcasecmp(port, "closed") == 0) {
1320 if (server_Close(arg->bundle))
1321 log_Printf(LogPHASE, "Closed server socket\n");
1322 else
1323 log_Printf(LogWARN, "Server socket not open\n");
1324
1325 return 0;
1326 } else
1327 return -1;
1328
1329 strncpy(server.cfg.passwd, passwd, sizeof server.cfg.passwd - 1);
1330 server.cfg.passwd[sizeof server.cfg.passwd - 1] = '\0';
1331
1332 if (*port == '/') {
1333 mode_t imask;
1334 char *ptr, name[LINE_LEN + 12];
1335
1336 if (mask == NULL)
1337 imask = (mode_t)-1;
1338 else for (imask = mlen = 0; mask[mlen]; mlen++)
1339 imask = (imask * 8) + mask[mlen] - '0';
1340
1341 ptr = strstr(port, "%d");
1342 if (ptr) {
1343 snprintf(name, sizeof name, "%.*s%d%s",
1344 (int)(ptr - port), port, arg->bundle->unit, ptr + 2);
1345 port = name;
1346 }
1347 res = server_LocalOpen(arg->bundle, port, imask);
1348 } else {
1349 int iport, add = 0;
1350
1351 if (mask != NULL)
1352 return -1;
1353
1354 if (*port == '+') {
1355 port++;
1356 add = 1;
1357 }
1358 if (strspn(port, "0123456789") != strlen(port)) {
1359 struct servent *s;
1360
1361 if ((s = getservbyname(port, "tcp")) == NULL) {
1362 iport = 0;
1363 log_Printf(LogWARN, "%s: Invalid port or service\n", port);
1364 } else
1365 iport = ntohs(s->s_port);
1366 } else
1367 iport = atoi(port);
1368
1369 if (iport) {
1370 if (add)
1371 iport += arg->bundle->unit;
1372 res = server_TcpOpen(arg->bundle, iport);
1373 } else
1374 res = -1;
1375 }
1376 }
1377
1378 return res;
1379}
1380
1381static int
1382SetEscape(struct cmdargs const *arg)
1383{
1384 int code;
1385 int argc = arg->argc - arg->argn;
1386 char const *const *argv = arg->argv + arg->argn;
1387
1388 for (code = 0; code < 33; code++)
1389 arg->cx->physical->async.cfg.EscMap[code] = 0;
1390
1391 while (argc-- > 0) {
1392 sscanf(*argv++, "%x", &code);
1393 code &= 0xff;
1394 arg->cx->physical->async.cfg.EscMap[code >> 3] |= (1 << (code & 7));
1395 arg->cx->physical->async.cfg.EscMap[32] = 1;
1396 }
1397 return 0;
1398}
1399
1400static int
1401SetInterfaceAddr(struct cmdargs const *arg)
1402{
1403 struct ipcp *ipcp = &arg->bundle->ncp.ipcp;
1404 const char *hisaddr;
1405
1406 if (arg->argc > arg->argn + 4)
1407 return -1;
1408
1409 hisaddr = NULL;
1410 memset(&ipcp->cfg.my_range, '\0', sizeof ipcp->cfg.my_range);
1411 memset(&ipcp->cfg.peer_range, '\0', sizeof ipcp->cfg.peer_range);
1412 ipcp->cfg.HaveTriggerAddress = 0;
1413 ipcp->cfg.netmask.s_addr = INADDR_ANY;
1414 iplist_reset(&ipcp->cfg.peer_list);
1415
1416 if (arg->argc > arg->argn) {
1417 if (!ParseAddr(ipcp, arg->argv[arg->argn],
1418 &ipcp->cfg.my_range.ipaddr, &ipcp->cfg.my_range.mask,
1419 &ipcp->cfg.my_range.width))
1420 return 1;
1421 if (arg->argc > arg->argn+1) {
1422 hisaddr = arg->argv[arg->argn+1];
1423 if (arg->argc > arg->argn+2) {
1424 ipcp->ifmask = ipcp->cfg.netmask = GetIpAddr(arg->argv[arg->argn+2]);
1425 if (arg->argc > arg->argn+3) {
1426 ipcp->cfg.TriggerAddress = GetIpAddr(arg->argv[arg->argn+3]);
1427 ipcp->cfg.HaveTriggerAddress = 1;
1428 }
1429 }
1430 }
1431 }
1432
1433 /* 0.0.0.0 means any address (0 bits) */
1434 if (ipcp->cfg.my_range.ipaddr.s_addr == INADDR_ANY) {
1435 ipcp->cfg.my_range.mask.s_addr = INADDR_ANY;
1436 ipcp->cfg.my_range.width = 0;
1437 }
1438 ipcp->my_ip.s_addr = ipcp->cfg.my_range.ipaddr.s_addr;
1439 bundle_AdjustFilters(arg->bundle, &ipcp->my_ip, NULL);
1440
1441 if (hisaddr && !ipcp_UseHisaddr(arg->bundle, hisaddr,
1442 arg->bundle->phys_type.all & PHYS_AUTO))
1443 return 4;
1444
1445 return 0;
1446}
1447
1448static int
1449SetRetry(int argc, char const *const *argv, u_int *timeout, u_int *maxreq,
1450 u_int *maxtrm, int def)
1451{
1452 if (argc == 0) {
1453 *timeout = DEF_FSMRETRY;
1454 *maxreq = def;
1455 if (maxtrm != NULL)
1456 *maxtrm = def;
1457 } else {
1458 long l = atol(argv[0]);
1459
1460 if (l < MIN_FSMRETRY) {
1461 log_Printf(LogWARN, "%ld: Invalid FSM retry period - min %d\n",
1462 l, MIN_FSMRETRY);
1463 return 1;
1464 } else
1465 *timeout = l;
1466
1467 if (argc > 1) {
1468 l = atol(argv[1]);
1469 if (l < 1) {
1470 log_Printf(LogWARN, "%ld: Invalid FSM REQ tries - changed to 1\n", l);
1471 l = 1;
1472 }
1473 *maxreq = l;
1474
1475 if (argc > 2 && maxtrm != NULL) {
1476 l = atol(argv[2]);
1477 if (l < 1) {
1478 log_Printf(LogWARN, "%ld: Invalid FSM TRM tries - changed to 1\n", l);
1479 l = 1;
1480 }
1481 *maxtrm = l;
1482 }
1483 }
1484 }
1485
1486 return 0;
1487}
1488
1489static int
1490SetVariable(struct cmdargs const *arg)
1491{
1492 long long_val, param = (long)arg->cmd->args;
1493 int mode, dummyint, f, first, res;
1494 u_short *change;
1495 const char *argp;
1496 struct datalink *cx = arg->cx; /* LOCAL_CX uses this */
1497 struct link *l = command_ChooseLink(arg); /* LOCAL_CX_OPT uses this */
1498 struct in_addr dummyaddr, *addr;
1499
1500 if (arg->argc > arg->argn)
1501 argp = arg->argv[arg->argn];
1502 else
1503 argp = "";
1504
1505 res = 0;
1506
1507 if ((arg->cmd->lauth & LOCAL_CX) && !cx) {
1508 log_Printf(LogWARN, "set %s: No context (use the `link' command)\n",
1509 arg->cmd->name);
1510 return 1;
1511 } else if (cx && !(arg->cmd->lauth & (LOCAL_CX|LOCAL_CX_OPT))) {
1512 log_Printf(LogWARN, "set %s: Redundant context (%s) ignored\n",
1513 arg->cmd->name, cx->name);
1514 cx = NULL;
1515 }
1516
1517 switch (param) {
1518 case VAR_AUTHKEY:
1519 strncpy(arg->bundle->cfg.auth.key, argp,
1520 sizeof arg->bundle->cfg.auth.key - 1);
1521 arg->bundle->cfg.auth.key[sizeof arg->bundle->cfg.auth.key - 1] = '\0';
1522 break;
1523
1524 case VAR_AUTHNAME:
1525 switch (bundle_Phase(arg->bundle)) {
1526 default:
1527 log_Printf(LogWARN, "Altering authname while at phase %s\n",
1528 bundle_PhaseName(arg->bundle));
1529 /* drop through */
1530 case PHASE_DEAD:
1531 case PHASE_ESTABLISH:
1532 strncpy(arg->bundle->cfg.auth.name, argp,
1533 sizeof arg->bundle->cfg.auth.name - 1);
1534 arg->bundle->cfg.auth.name[sizeof arg->bundle->cfg.auth.name-1] = '\0';
1535 break;
1536 }
1537 break;
1538
1539 case VAR_AUTOLOAD:
1540 if (arg->argc == arg->argn + 3) {
1541 int v1, v2, v3;
1542 char *end;
1543
1544 v1 = strtol(arg->argv[arg->argn], &end, 0);
1545 if (v1 < 0 || *end) {
1546 log_Printf(LogWARN, "autoload: %s: Invalid min percentage\n",
1547 arg->argv[arg->argn]);
1548 res = 1;
1549 break;
1550 }
1551
1552 v2 = strtol(arg->argv[arg->argn + 1], &end, 0);
1553 if (v2 < 0 || *end) {
1554 log_Printf(LogWARN, "autoload: %s: Invalid max percentage\n",
1555 arg->argv[arg->argn + 1]);
1556 res = 1;
1557 break;
1558 }
1559 if (v2 < v1) {
1560 v3 = v1;
1561 v1 = v2;
1562 v2 = v3;
1563 }
1564
1565 v3 = strtol(arg->argv[arg->argn + 2], &end, 0);
1566 if (v3 <= 0 || *end) {
1567 log_Printf(LogWARN, "autoload: %s: Invalid throughput period\n",
1568 arg->argv[arg->argn + 2]);
1569 res = 1;
1570 break;
1571 }
1572
1573 arg->bundle->ncp.mp.cfg.autoload.min = v1;
1574 arg->bundle->ncp.mp.cfg.autoload.max = v2;
1575 arg->bundle->ncp.mp.cfg.autoload.period = v3;
1576 mp_RestartAutoloadTimer(&arg->bundle->ncp.mp);
1577 } else {
1578 log_Printf(LogWARN, "Set autoload requires three arguments\n");
1579 res = 1;
1580 }
1581 break;
1582
1583 case VAR_DIAL:
1584 strncpy(cx->cfg.script.dial, argp, sizeof cx->cfg.script.dial - 1);
1585 cx->cfg.script.dial[sizeof cx->cfg.script.dial - 1] = '\0';
1586 break;
1587
1588 case VAR_LOGIN:
1589 strncpy(cx->cfg.script.login, argp, sizeof cx->cfg.script.login - 1);
1590 cx->cfg.script.login[sizeof cx->cfg.script.login - 1] = '\0';
1591 break;
1592
1593 case VAR_WINSIZE:
1594 if (arg->argc > arg->argn) {
1595 l->ccp.cfg.deflate.out.winsize = atoi(arg->argv[arg->argn]);
1596 if (l->ccp.cfg.deflate.out.winsize < 8 ||
1597 l->ccp.cfg.deflate.out.winsize > 15) {
1598 log_Printf(LogWARN, "%d: Invalid outgoing window size\n",
1599 l->ccp.cfg.deflate.out.winsize);
1600 l->ccp.cfg.deflate.out.winsize = 15;
1601 }
1602 if (arg->argc > arg->argn+1) {
1603 l->ccp.cfg.deflate.in.winsize = atoi(arg->argv[arg->argn+1]);
1604 if (l->ccp.cfg.deflate.in.winsize < 8 ||
1605 l->ccp.cfg.deflate.in.winsize > 15) {
1606 log_Printf(LogWARN, "%d: Invalid incoming window size\n",
1607 l->ccp.cfg.deflate.in.winsize);
1608 l->ccp.cfg.deflate.in.winsize = 15;
1609 }
1610 } else
1611 l->ccp.cfg.deflate.in.winsize = 0;
1612 } else {
1613 log_Printf(LogWARN, "No window size specified\n");
1614 res = 1;
1615 }
1616 break;
1617
1618#ifdef HAVE_DES
1619 case VAR_MPPE:
1620 if (arg->argc > arg->argn + 2) {
1621 res = -1;
1622 break;
1623 }
1624
1625 if (arg->argc == arg->argn) {
1626 l->ccp.cfg.mppe.keybits = 0;
1627 l->ccp.cfg.mppe.state = MPPE_ANYSTATE;
1628 l->ccp.cfg.mppe.required = 0;
1629 break;
1630 }
1631
1632 if (!strcmp(argp, "*"))
1633 long_val = 0;
1634 else {
1635 long_val = atol(argp);
1636 if (long_val != 40 && long_val != 56 && long_val != 128) {
1637 log_Printf(LogWARN, "%s: Invalid bits value\n", argp);
1638 res = -1;
1639 break;
1640 }
1641 }
1642
1643 if (arg->argc == arg->argn + 2) {
1644 if (!strcmp(arg->argv[arg->argn + 1], "*"))
1645 l->ccp.cfg.mppe.state = MPPE_ANYSTATE;
1646 else if (!strcasecmp(arg->argv[arg->argn + 1], "stateless"))
1647 l->ccp.cfg.mppe.state = MPPE_STATELESS;
1648 else if (!strcasecmp(arg->argv[arg->argn + 1], "stateful"))
1649 l->ccp.cfg.mppe.state = MPPE_STATEFUL;
1650 else {
1651 log_Printf(LogWARN, "%s: Invalid state value\n",
1652 arg->argv[arg->argn + 1]);
1653 res = -1;
1654 break;
1655 }
1656 } else
1657 l->ccp.cfg.mppe.state = MPPE_ANYSTATE;
1658 l->ccp.cfg.mppe.keybits = long_val;
1659 l->ccp.cfg.mppe.required = 1;
1660 break;
1661#endif
1662
1663 case VAR_DEVICE:
1664 physical_SetDeviceList(cx->physical, arg->argc - arg->argn,
1665 arg->argv + arg->argn);
1666 break;
1667
1668 case VAR_ACCMAP:
1669 if (arg->argc > arg->argn) {
1670 u_long ulong_val;
1671 sscanf(argp, "%lx", &ulong_val);
1672 cx->physical->link.lcp.cfg.accmap = (u_int32_t)ulong_val;
1673 } else {
1674 log_Printf(LogWARN, "No accmap specified\n");
1675 res = 1;
1676 }
1677 break;
1678
1679 case VAR_MODE:
1680 mode = Nam2mode(argp);
1681 if (mode == PHYS_NONE || mode == PHYS_ALL) {
1682 log_Printf(LogWARN, "%s: Invalid mode\n", argp);
1683 res = -1;
1684 break;
1685 }
1686 bundle_SetMode(arg->bundle, cx, mode);
1687 break;
1688
1689 case VAR_MRRU:
1690 switch (bundle_Phase(arg->bundle)) {
1691 case PHASE_DEAD:
1692 break;
1693 case PHASE_ESTABLISH:
1694 /* Make sure none of our links are DATALINK_LCP or greater */
1695 if (bundle_HighestState(arg->bundle) >= DATALINK_LCP) {
1696 log_Printf(LogWARN, "mrru: Only changable before LCP negotiations\n");
1697 res = 1;
1698 break;
1699 }
1700 break;
1701 default:
1702 log_Printf(LogWARN, "mrru: Only changable at phase DEAD/ESTABLISH\n");
1703 res = 1;
1704 break;
1705 }
1706 if (res != 0)
1707 break;
1708 long_val = atol(argp);
1709 if (long_val && long_val < MIN_MRU) {
1710 log_Printf(LogWARN, "MRRU %ld: too small - min %d\n", long_val, MIN_MRU);
1711 res = 1;
1712 break;
1713 } else if (long_val > MAX_MRU) {
1714 log_Printf(LogWARN, "MRRU %ld: too big - max %d\n", long_val, MAX_MRU);
1715 res = 1;
1716 break;
1717 } else
1718 arg->bundle->ncp.mp.cfg.mrru = long_val;
1719 break;
1720
1721 case VAR_MRU:
1722 long_val = 0; /* silence gcc */
1723 change = NULL; /* silence gcc */
1724 switch(arg->argc - arg->argn) {
1725 case 1:
1726 if (argp[strspn(argp, "0123456789")] != '\0') {
1727 res = -1;
1728 break;
1729 }
1730 /*FALLTHRU*/
1731 case 0:
1732 long_val = atol(argp);
1733 change = &l->lcp.cfg.mru;
1734 if (long_val > l->lcp.cfg.max_mru) {
1735 log_Printf(LogWARN, "MRU %ld: too large - max set to %d\n", long_val,
1736 l->lcp.cfg.max_mru);
1737 res = 1;
1738 break;
1739 }
1740 break;
1741 case 2:
1742 if (strcasecmp(argp, "max") && strcasecmp(argp, "maximum")) {
1743 res = -1;
1744 break;
1745 }
1746 long_val = atol(arg->argv[arg->argn + 1]);
1747 change = &l->lcp.cfg.max_mru;
1748 if (long_val > MAX_MRU) {
1749 log_Printf(LogWARN, "MRU %ld: too large - maximum is %d\n", long_val,
1750 MAX_MRU);
1751 res = 1;
1752 break;
1753 }
1754 break;
1755 default:
1756 res = -1;
1757 break;
1758 }
1759 if (res != 0)
1760 break;
1761
1762 if (long_val == 0)
1763 *change = DEF_MRU;
1764 else if (long_val < MIN_MRU) {
1765 log_Printf(LogWARN, "MRU %ld: too small - min %d\n", long_val, MIN_MRU);
1766 res = 1;
1767 break;
1768 } else if (long_val > MAX_MRU) {
1769 log_Printf(LogWARN, "MRU %ld: too big - max %d\n", long_val, MAX_MRU);
1770 res = 1;
1771 break;
1772 } else
1773 *change = long_val;
1774 if (l->lcp.cfg.mru > *change)
1775 l->lcp.cfg.mru = *change;
1776 break;
1777
1778 case VAR_MTU:
1779 long_val = 0; /* silence gcc */
1780 change = NULL; /* silence gcc */
1781 switch(arg->argc - arg->argn) {
1782 case 1:
1783 if (argp[strspn(argp, "0123456789")] != '\0') {
1784 res = -1;
1785 break;
1786 }
1787 /*FALLTHRU*/
1788 case 0:
1789 long_val = atol(argp);
1790 change = &l->lcp.cfg.mtu;
1791 if (long_val > l->lcp.cfg.max_mtu) {
1792 log_Printf(LogWARN, "MTU %ld: too large - max set to %d\n", long_val,
1793 l->lcp.cfg.max_mtu);
1794 res = 1;
1795 break;
1796 }
1797 break;
1798 case 2:
1799 if (strcasecmp(argp, "max") && strcasecmp(argp, "maximum")) {
1800 res = -1;
1801 break;
1802 }
1803 long_val = atol(arg->argv[arg->argn + 1]);
1804 change = &l->lcp.cfg.max_mtu;
1805 if (long_val > MAX_MTU) {
1806 log_Printf(LogWARN, "MTU %ld: too large - maximum is %d\n", long_val,
1807 MAX_MTU);
1808 res = 1;
1809 break;
1810 }
1811 break;
1812 default:
1813 res = -1;
1814 break;
1815 }
1816
1817 if (res != 0)
1818 break;
1819
1820 if (long_val && long_val < MIN_MTU) {
1821 log_Printf(LogWARN, "MTU %ld: too small - min %d\n", long_val, MIN_MTU);
1822 res = 1;
1823 break;
1824 } else if (long_val > MAX_MTU) {
1825 log_Printf(LogWARN, "MTU %ld: too big - max %d\n", long_val, MAX_MTU);
1826 res = 1;
1827 break;
1828 } else
1829 *change = long_val;
1830 if (l->lcp.cfg.mtu > *change)
1831 l->lcp.cfg.mtu = *change;
1832 break;
1833
1834 case VAR_OPENMODE:
1835 if (strcasecmp(argp, "active") == 0)
1836 cx->physical->link.lcp.cfg.openmode = arg->argc > arg->argn+1 ?
1837 atoi(arg->argv[arg->argn+1]) : 1;
1838 else if (strcasecmp(argp, "passive") == 0)
1839 cx->physical->link.lcp.cfg.openmode = OPEN_PASSIVE;
1840 else {
1841 log_Printf(LogWARN, "%s: Invalid openmode\n", argp);
1842 res = 1;
1843 }
1844 break;
1845
1846 case VAR_PHONE:
1847 strncpy(cx->cfg.phone.list, argp, sizeof cx->cfg.phone.list - 1);
1848 cx->cfg.phone.list[sizeof cx->cfg.phone.list - 1] = '\0';
1849 cx->phone.alt = cx->phone.next = NULL;
1850 break;
1851
1852 case VAR_HANGUP:
1853 strncpy(cx->cfg.script.hangup, argp, sizeof cx->cfg.script.hangup - 1);
1854 cx->cfg.script.hangup[sizeof cx->cfg.script.hangup - 1] = '\0';
1855 break;
1856
1857 case VAR_IFQUEUE:
1858 long_val = atol(argp);
1859 arg->bundle->cfg.ifqueue = long_val < 0 ? 0 : long_val;
1860 break;
1861
1862 case VAR_LOGOUT:
1863 strncpy(cx->cfg.script.logout, argp, sizeof cx->cfg.script.logout - 1);
1864 cx->cfg.script.logout[sizeof cx->cfg.script.logout - 1] = '\0';
1865 break;
1866
1867 case VAR_IDLETIMEOUT:
1868 if (arg->argc > arg->argn+2) {
1869 log_Printf(LogWARN, "Too many idle timeout values\n");
1870 res = 1;
1871 } else if (arg->argc == arg->argn) {
1872 log_Printf(LogWARN, "Too few idle timeout values\n");
1873 res = 1;
1874 } else {
1875 int timeout, min;
1876
1877 timeout = atoi(argp);
1878 min = arg->argc == arg->argn + 2 ? atoi(arg->argv[arg->argn + 1]) : -1;
1879 bundle_SetIdleTimer(arg->bundle, timeout, min);
1880 }
1881 break;
1882
1883 case VAR_LQRPERIOD:
1884 long_val = atol(argp);
1885 if (long_val < MIN_LQRPERIOD) {
1886 log_Printf(LogWARN, "%ld: Invalid lqr period - min %d\n",
1887 long_val, MIN_LQRPERIOD);
1888 res = 1;
1889 } else
1890 l->lcp.cfg.lqrperiod = long_val;
1891 break;
1892
1893 case VAR_LCPRETRY:
1894 res = SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
1895 &cx->physical->link.lcp.cfg.fsm.timeout,
1896 &cx->physical->link.lcp.cfg.fsm.maxreq,
1897 &cx->physical->link.lcp.cfg.fsm.maxtrm, DEF_FSMTRIES);
1898 break;
1899
1900 case VAR_CHAPRETRY:
1901 res = SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
1902 &cx->chap.auth.cfg.fsm.timeout,
1903 &cx->chap.auth.cfg.fsm.maxreq, NULL, DEF_FSMAUTHTRIES);
1904 break;
1905
1906 case VAR_PAPRETRY:
1907 res = SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
1908 &cx->pap.cfg.fsm.timeout, &cx->pap.cfg.fsm.maxreq,
1909 NULL, DEF_FSMAUTHTRIES);
1910 break;
1911
1912 case VAR_CCPRETRY:
1913 res = SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
1914 &l->ccp.cfg.fsm.timeout, &l->ccp.cfg.fsm.maxreq,
1915 &l->ccp.cfg.fsm.maxtrm, DEF_FSMTRIES);
1916 break;
1917
1918 case VAR_IPCPRETRY:
1919 res = SetRetry(arg->argc - arg->argn, arg->argv + arg->argn,
1920 &arg->bundle->ncp.ipcp.cfg.fsm.timeout,
1921 &arg->bundle->ncp.ipcp.cfg.fsm.maxreq,
1922 &arg->bundle->ncp.ipcp.cfg.fsm.maxtrm, DEF_FSMTRIES);
1923 break;
1924
1925 case VAR_NBNS:
1926 case VAR_DNS:
1927 if (param == VAR_DNS) {
1928 addr = arg->bundle->ncp.ipcp.cfg.ns.dns;
1929 addr[0].s_addr = addr[1].s_addr = INADDR_NONE;
1930 } else {
1931 addr = arg->bundle->ncp.ipcp.cfg.ns.nbns;
1932 addr[0].s_addr = addr[1].s_addr = INADDR_ANY;
1933 }
1934
1935 if (arg->argc > arg->argn) {
1936 ParseAddr(&arg->bundle->ncp.ipcp, arg->argv[arg->argn],
1937 addr, &dummyaddr, &dummyint);
1938 if (arg->argc > arg->argn+1)
1939 ParseAddr(&arg->bundle->ncp.ipcp, arg->argv[arg->argn + 1],
1940 addr + 1, &dummyaddr, &dummyint);
1941
1942 if (addr[0].s_addr == INADDR_ANY) {
1943 addr[0].s_addr = addr[1].s_addr;
1944 addr[1].s_addr = INADDR_ANY;
1945 }
1946 if (addr[0].s_addr == INADDR_NONE) {
1947 addr[0].s_addr = addr[1].s_addr;
1948 addr[1].s_addr = INADDR_NONE;
1949 }
1950 }
1951 break;
1952
1953 case VAR_CALLBACK:
1954 cx->cfg.callback.opmask = 0;
1955 for (dummyint = arg->argn; dummyint < arg->argc; dummyint++) {
1956 if (!strcasecmp(arg->argv[dummyint], "auth"))
1957 cx->cfg.callback.opmask |= CALLBACK_BIT(CALLBACK_AUTH);
1958 else if (!strcasecmp(arg->argv[dummyint], "cbcp"))
1959 cx->cfg.callback.opmask |= CALLBACK_BIT(CALLBACK_CBCP);
1960 else if (!strcasecmp(arg->argv[dummyint], "e.164")) {
1961 if (dummyint == arg->argc - 1)
1962 log_Printf(LogWARN, "No E.164 arg (E.164 ignored) !\n");
1963 else {
1964 cx->cfg.callback.opmask |= CALLBACK_BIT(CALLBACK_E164);
1965 strncpy(cx->cfg.callback.msg, arg->argv[++dummyint],
1966 sizeof cx->cfg.callback.msg - 1);
1967 cx->cfg.callback.msg[sizeof cx->cfg.callback.msg - 1] = '\0';
1968 }
1969 } else if (!strcasecmp(arg->argv[dummyint], "none"))
1970 cx->cfg.callback.opmask |= CALLBACK_BIT(CALLBACK_NONE);
1971 else {
1972 res = -1;
1973 break;
1974 }
1975 }
1976 if (cx->cfg.callback.opmask == CALLBACK_BIT(CALLBACK_NONE))
1977 cx->cfg.callback.opmask = 0;
1978 break;
1979
1980 case VAR_CBCP:
1981 cx->cfg.cbcp.delay = 0;
1982 *cx->cfg.cbcp.phone = '\0';
1983 cx->cfg.cbcp.fsmretry = DEF_FSMRETRY;
1984 if (arg->argc > arg->argn) {
1985 strncpy(cx->cfg.cbcp.phone, arg->argv[arg->argn],
1986 sizeof cx->cfg.cbcp.phone - 1);
1987 cx->cfg.cbcp.phone[sizeof cx->cfg.cbcp.phone - 1] = '\0';
1988 if (arg->argc > arg->argn + 1) {
1989 cx->cfg.cbcp.delay = atoi(arg->argv[arg->argn + 1]);
1990 if (arg->argc > arg->argn + 2) {
1991 long_val = atol(arg->argv[arg->argn + 2]);
1992 if (long_val < MIN_FSMRETRY)
1993 log_Printf(LogWARN, "%ld: Invalid CBCP FSM retry period - min %d\n",
1994 long_val, MIN_FSMRETRY);
1995 else
1996 cx->cfg.cbcp.fsmretry = long_val;
1997 }
1998 }
1999 }
2000 break;
2001
2002 case VAR_CHOKED:
2003 arg->bundle->cfg.choked.timeout = atoi(argp);
2004 if (arg->bundle->cfg.choked.timeout <= 0)
2005 arg->bundle->cfg.choked.timeout = CHOKED_TIMEOUT;
2006 break;
2007
2008 case VAR_SENDPIPE:
2009 long_val = atol(argp);
2010 arg->bundle->ncp.ipcp.cfg.sendpipe = long_val;
2011 break;
2012
2013 case VAR_RECVPIPE:
2014 long_val = atol(argp);
2015 arg->bundle->ncp.ipcp.cfg.recvpipe = long_val;
2016 break;
2017
2018#ifndef NORADIUS
2019 case VAR_RADIUS:
2020 if (!*argp)
2021 *arg->bundle->radius.cfg.file = '\0';
2022 else if (access(argp, R_OK)) {
2023 log_Printf(LogWARN, "%s: %s\n", argp, strerror(errno));
2024 res = 1;
2025 break;
2026 } else {
2027 strncpy(arg->bundle->radius.cfg.file, argp,
2028 sizeof arg->bundle->radius.cfg.file - 1);
2029 arg->bundle->radius.cfg.file
2030 [sizeof arg->bundle->radius.cfg.file - 1] = '\0';
2031 }
2032 break;
2033#endif
2034
2035 case VAR_CD:
2036 if (*argp) {
2037 if (strcasecmp(argp, "off")) {
2038 long_val = atol(argp);
2039 if (long_val < 0)
2040 long_val = 0;
2041 cx->physical->cfg.cd.delay = long_val;
2042 cx->physical->cfg.cd.necessity = argp[strlen(argp)-1] == '!' ?
2043 CD_REQUIRED : CD_VARIABLE;
2044 } else
2045 cx->physical->cfg.cd.necessity = CD_NOTREQUIRED;
2046 } else {
2047 cx->physical->cfg.cd.delay = 0;
2048 cx->physical->cfg.cd.necessity = CD_DEFAULT;
2049 }
2050 break;
2051
2052 case VAR_PARITY:
2053 if (arg->argc == arg->argn + 1)
2054 res = physical_SetParity(arg->cx->physical, argp);
2055 else {
2056 log_Printf(LogWARN, "Parity value must be odd, even or none\n");
2057 res = 1;
2058 }
2059 break;
2060
2061 case VAR_CRTSCTS:
2062 if (strcasecmp(argp, "on") == 0)
2063 physical_SetRtsCts(arg->cx->physical, 1);
2064 else if (strcasecmp(argp, "off") == 0)
2065 physical_SetRtsCts(arg->cx->physical, 0);
2066 else {
2067 log_Printf(LogWARN, "RTS/CTS value must be on or off\n");
2068 res = 1;
2069 }
2070 break;
2071
2072 case VAR_URGENTPORTS:
2073 if (arg->argn == arg->argc) {
2074 ipcp_SetUrgentTOS(&arg->bundle->ncp.ipcp);
2075 ipcp_ClearUrgentTcpPorts(&arg->bundle->ncp.ipcp);
2076 ipcp_ClearUrgentUdpPorts(&arg->bundle->ncp.ipcp);
2077 } else if (!strcasecmp(arg->argv[arg->argn], "udp")) {
2078 ipcp_SetUrgentTOS(&arg->bundle->ncp.ipcp);
2079 if (arg->argn == arg->argc - 1)
2080 ipcp_ClearUrgentUdpPorts(&arg->bundle->ncp.ipcp);
2081 else for (f = arg->argn + 1; f < arg->argc; f++)
2082 if (*arg->argv[f] == '+')
2083 ipcp_AddUrgentUdpPort(&arg->bundle->ncp.ipcp, atoi(arg->argv[f] + 1));
2084 else if (*arg->argv[f] == '-')
2085 ipcp_RemoveUrgentUdpPort(&arg->bundle->ncp.ipcp,
2086 atoi(arg->argv[f] + 1));
2087 else {
2088 if (f == arg->argn)
2089 ipcp_ClearUrgentUdpPorts(&arg->bundle->ncp.ipcp);
2090 ipcp_AddUrgentUdpPort(&arg->bundle->ncp.ipcp, atoi(arg->argv[f]));
2091 }
2092 } else if (arg->argn == arg->argc - 1 &&
2093 !strcasecmp(arg->argv[arg->argn], "none")) {
2094 ipcp_ClearUrgentTcpPorts(&arg->bundle->ncp.ipcp);
2095 ipcp_ClearUrgentUdpPorts(&arg->bundle->ncp.ipcp);
2096 ipcp_ClearUrgentTOS(&arg->bundle->ncp.ipcp);
2097 } else {
2098 ipcp_SetUrgentTOS(&arg->bundle->ncp.ipcp);
2099 first = arg->argn;
2100 if (!strcasecmp(arg->argv[first], "tcp") && ++first == arg->argc)
2101 ipcp_ClearUrgentTcpPorts(&arg->bundle->ncp.ipcp);
2102
2103 for (f = first; f < arg->argc; f++)
2104 if (*arg->argv[f] == '+')
2105 ipcp_AddUrgentTcpPort(&arg->bundle->ncp.ipcp, atoi(arg->argv[f] + 1));
2106 else if (*arg->argv[f] == '-')
2107 ipcp_RemoveUrgentTcpPort(&arg->bundle->ncp.ipcp,
2108 atoi(arg->argv[f] + 1));
2109 else {
2110 if (f == first)
2111 ipcp_ClearUrgentTcpPorts(&arg->bundle->ncp.ipcp);
2112 ipcp_AddUrgentTcpPort(&arg->bundle->ncp.ipcp, atoi(arg->argv[f]));
2113 }
2114 }
2115 break;
2116 }
2117
2118 return res;
2119}
2120
2121static struct cmdtab const SetCommands[] = {
2122 {"accmap", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
2123 "accmap value", "set accmap hex-value", (const void *)VAR_ACCMAP},
2124 {"authkey", "key", SetVariable, LOCAL_AUTH,
2125 "authentication key", "set authkey|key key", (const void *)VAR_AUTHKEY},
2126 {"authname", NULL, SetVariable, LOCAL_AUTH,
2127 "authentication name", "set authname name", (const void *)VAR_AUTHNAME},
2128 {"autoload", NULL, SetVariable, LOCAL_AUTH,
2129 "auto link [de]activation", "set autoload maxtime maxload mintime minload",
2130 (const void *)VAR_AUTOLOAD},
2131 {"bandwidth", NULL, mp_SetDatalinkBandwidth, LOCAL_AUTH | LOCAL_CX,
2132 "datalink bandwidth", "set bandwidth value"},
2133 {"callback", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
2134 "callback control", "set callback [none|auth|cbcp|"
2135 "E.164 *|number[,number]...]...", (const void *)VAR_CALLBACK},
2136 {"cbcp", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
2137 "CBCP control", "set cbcp [*|phone[,phone...] [delay [timeout]]]",
2138 (const void *)VAR_CBCP},
2139 {"ccpretry", "ccpretries", SetVariable, LOCAL_AUTH | LOCAL_CX_OPT,
2140 "CCP retries", "set ccpretry value [attempts]", (const void *)VAR_CCPRETRY},
2141 {"cd", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX, "Carrier delay requirement",
2142 "set cd value[!]", (const void *)VAR_CD},
2143 {"chapretry", "chapretries", SetVariable, LOCAL_AUTH | LOCAL_CX,
2144 "CHAP retries", "set chapretry value [attempts]",
2145 (const void *)VAR_CHAPRETRY},
2146 {"choked", NULL, SetVariable, LOCAL_AUTH,
2147 "choked timeout", "set choked [secs]", (const void *)VAR_CHOKED},
2148 {"ctsrts", "crtscts", SetVariable, LOCAL_AUTH | LOCAL_CX,
2149 "Use hardware flow control", "set ctsrts [on|off]",
2150 (const char *)VAR_CRTSCTS},
2151 {"deflate", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX_OPT,
2152 "deflate window sizes", "set deflate out-winsize in-winsize",
2153 (const void *) VAR_WINSIZE},
2154#ifdef HAVE_DES
2155 {"mppe", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX_OPT,
2156 "MPPE key size and state", "set mppe [40|56|128|* [stateful|stateless|*]]",
2157 (const void *) VAR_MPPE},
2158#endif
2159 {"device", "line", SetVariable, LOCAL_AUTH | LOCAL_CX,
2160 "physical device name", "set device|line device-name[,device-name]",
2161 (const void *) VAR_DEVICE},
2162 {"dial", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
2163 "dialing script", "set dial chat-script", (const void *) VAR_DIAL},
2164 {"dns", NULL, SetVariable, LOCAL_AUTH, "Domain Name Server",
2165 "set dns pri-addr [sec-addr]", (const void *)VAR_DNS},
2166 {"enddisc", NULL, mp_SetEnddisc, LOCAL_AUTH,
2167 "Endpoint Discriminator", "set enddisc [IP|magic|label|psn value]"},
2168 {"escape", NULL, SetEscape, LOCAL_AUTH | LOCAL_CX,
2169 "escape characters", "set escape hex-digit ..."},
2170 {"filter", NULL, filter_Set, LOCAL_AUTH,
2171 "packet filters", "set filter alive|dial|in|out rule-no permit|deny "
2172 "[src_addr[/width]] [dst_addr[/width]] [tcp|udp|icmp|ospf|igmp "
2173 "[src [lt|eq|gt port]] [dst [lt|eq|gt port]] [estab] [syn] [finrst]]"},
2174 {"hangup", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
2175 "hangup script", "set hangup chat-script", (const void *) VAR_HANGUP},
2176 {"ifaddr", NULL, SetInterfaceAddr, LOCAL_AUTH, "destination address",
2177 "set ifaddr [src-addr [dst-addr [netmask [trg-addr]]]]"},
2178 {"ifqueue", NULL, SetVariable, LOCAL_AUTH, "interface queue",
2179 "set ifqueue packets", (const void *)VAR_IFQUEUE},
2180 {"ipcpretry", "ipcpretries", SetVariable, LOCAL_AUTH, "IPCP retries",
2181 "set ipcpretry value [attempts]", (const void *)VAR_IPCPRETRY},
2182 {"lcpretry", "lcpretries", SetVariable, LOCAL_AUTH | LOCAL_CX, "LCP retries",
2183 "set lcpretry value [attempts]", (const void *)VAR_LCPRETRY},
2184 {"log", NULL, log_SetLevel, LOCAL_AUTH, "log level",
2185 "set log [local] [+|-]all|async|cbcp|ccp|chat|command|connect|debug|dns|hdlc|"
2186 "id0|ipcp|lcp|lqm|phase|physical|sync|tcp/ip|timer|tun..."},
2187 {"login", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
2188 "login script", "set login chat-script", (const void *) VAR_LOGIN},
2189 {"logout", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
2190 "logout script", "set logout chat-script", (const void *) VAR_LOGOUT},
2191 {"lqrperiod", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX_OPT,
2192 "LQR period", "set lqrperiod value", (const void *)VAR_LQRPERIOD},
2193 {"mode", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX, "mode value",
2194 "set mode interactive|auto|ddial|background", (const void *)VAR_MODE},
2195 {"mrru", NULL, SetVariable, LOCAL_AUTH, "MRRU value",
2196 "set mrru value", (const void *)VAR_MRRU},
2197 {"mru", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX_OPT,
2198 "MRU value", "set mru [max[imum]] [value]", (const void *)VAR_MRU},
2199 {"mtu", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX,
2200 "interface MTU value", "set mtu [max[imum]] [value]", (const void *)VAR_MTU},
2201 {"nbns", NULL, SetVariable, LOCAL_AUTH, "NetBIOS Name Server",
2202 "set nbns pri-addr [sec-addr]", (const void *)VAR_NBNS},
2203 {"openmode", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX, "open mode",
2204 "set openmode active|passive [secs]", (const void *)VAR_OPENMODE},
2205 {"papretry", "papretries", SetVariable, LOCAL_AUTH | LOCAL_CX, "PAP retries",
2206 "set papretry value [attempts]", (const void *)VAR_PAPRETRY},
2207 {"parity", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX, "serial parity",
2208 "set parity [odd|even|none]", (const void *)VAR_PARITY},
2209 {"phone", NULL, SetVariable, LOCAL_AUTH | LOCAL_CX, "telephone number(s)",
2210 "set phone phone1[:phone2[...]]", (const void *)VAR_PHONE},
2211 {"proctitle", "title", SetProcTitle, LOCAL_AUTH,
2212 "Process title", "set proctitle [value]"},
2213#ifndef NORADIUS
2214 {"radius", NULL, SetVariable, LOCAL_AUTH,
2215 "RADIUS Config", "set radius cfgfile", (const void *)VAR_RADIUS},
2216#endif
2217 {"reconnect", NULL, datalink_SetReconnect, LOCAL_AUTH | LOCAL_CX,
2218 "Reconnect timeout", "set reconnect value ntries"},
2219 {"recvpipe", NULL, SetVariable, LOCAL_AUTH,
2220 "RECVPIPE value", "set recvpipe value", (const void *)VAR_RECVPIPE},
2221 {"redial", NULL, datalink_SetRedial, LOCAL_AUTH | LOCAL_CX,
2222 "Redial timeout", "set redial secs[+inc[-incmax]][.next] [attempts]"},
2223 {"sendpipe", NULL, SetVariable, LOCAL_AUTH,
2224 "SENDPIPE value", "set sendpipe value", (const void *)VAR_SENDPIPE},
2225 {"server", "socket", SetServer, LOCAL_AUTH, "diagnostic port",
2226 "set server|socket TcpPort|LocalName|none|open|closed [password [mask]]"},
2227 {"speed", NULL, SetModemSpeed, LOCAL_AUTH | LOCAL_CX,
2228 "physical speed", "set speed value|sync"},
2229 {"stopped", NULL, SetStoppedTimeout, LOCAL_AUTH | LOCAL_CX,
2230 "STOPPED timeouts", "set stopped [LCPseconds [CCPseconds]]"},
2231 {"timeout", NULL, SetVariable, LOCAL_AUTH, "Idle timeout",
2232 "set timeout idletime", (const void *)VAR_IDLETIMEOUT},
2233 {"urgent", NULL, SetVariable, LOCAL_AUTH, "urgent ports",
2234 "set urgent [tcp|udp] [+|-]port...", (const void *)VAR_URGENTPORTS},
2235 {"vj", NULL, ipcp_vjset, LOCAL_AUTH,
2236 "vj values", "set vj slots|slotcomp [value]"},
2237 {"help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
2238 "Display this message", "set help|? [command]", SetCommands},
2239 {NULL, NULL, NULL},
2240};
2241
2242static int
2243SetCommand(struct cmdargs const *arg)
2244{
2245 if (arg->argc > arg->argn)
2246 FindExec(arg->bundle, SetCommands, arg->argc, arg->argn, arg->argv,
2247 arg->prompt, arg->cx);
2248 else if (arg->prompt)
2249 prompt_Printf(arg->prompt, "Use `set ?' to get a list or `set ? <var>' for"
2250 " syntax help.\n");
2251 else
2252 log_Printf(LogWARN, "set command must have arguments\n");
2253
2254 return 0;
2255}
2256
2257static int
2258AddCommand(struct cmdargs const *arg)
2259{
2260 struct in_addr dest, gateway, netmask;
2261 int gw, addrs;
2262
2263 if (arg->argc != arg->argn+3 && arg->argc != arg->argn+2)
2264 return -1;
2265
2266 addrs = 0;
2267 if (arg->argc == arg->argn+2) {
2268 if (!strcasecmp(arg->argv[arg->argn], "default"))
2269 dest.s_addr = netmask.s_addr = INADDR_ANY;
2270 else {
2271 int width;
2272
2273 if (!ParseAddr(&arg->bundle->ncp.ipcp, arg->argv[arg->argn],
2274 &dest, &netmask, &width))
2275 return -1;
2276 if (!strncasecmp(arg->argv[arg->argn], "MYADDR", 6))
2277 addrs = ROUTE_DSTMYADDR;
2278 else if (!strncasecmp(arg->argv[arg->argn], "HISADDR", 7))
2279 addrs = ROUTE_DSTHISADDR;
2280 else if (!strncasecmp(arg->argv[arg->argn], "DNS0", 4))
2281 addrs = ROUTE_DSTDNS0;
2282 else if (!strncasecmp(arg->argv[arg->argn], "DNS1", 4))
2283 addrs = ROUTE_DSTDNS1;
2284 }
2285 gw = 1;
2286 } else {
2287 if (strcasecmp(arg->argv[arg->argn], "MYADDR") == 0) {
2288 addrs = ROUTE_DSTMYADDR;
2289 dest = arg->bundle->ncp.ipcp.my_ip;
2290 } else if (strcasecmp(arg->argv[arg->argn], "HISADDR") == 0) {
2291 addrs = ROUTE_DSTHISADDR;
2292 dest = arg->bundle->ncp.ipcp.peer_ip;
2293 } else if (strcasecmp(arg->argv[arg->argn], "DNS0") == 0) {
2294 addrs = ROUTE_DSTDNS0;
2295 dest = arg->bundle->ncp.ipcp.ns.dns[0];
2296 } else if (strcasecmp(arg->argv[arg->argn], "DNS1") == 0) {
2297 addrs = ROUTE_DSTDNS1;
2298 dest = arg->bundle->ncp.ipcp.ns.dns[1];
2299 } else {
2300 dest = GetIpAddr(arg->argv[arg->argn]);
2301 if (dest.s_addr == INADDR_NONE) {
2302 log_Printf(LogWARN, "%s: Invalid destination address\n",
2303 arg->argv[arg->argn]);
2304 return -1;
2305 }
2306 }
2307 netmask = GetIpAddr(arg->argv[arg->argn+1]);
2308 gw = 2;
2309 }
2310
2311 if (strcasecmp(arg->argv[arg->argn+gw], "HISADDR") == 0) {
2312 gateway = arg->bundle->ncp.ipcp.peer_ip;
2313 addrs |= ROUTE_GWHISADDR;
2314 } else {
2315 gateway = GetIpAddr(arg->argv[arg->argn+gw]);
2316 if (gateway.s_addr == INADDR_NONE) {
2317 log_Printf(LogWARN, "%s: Invalid gateway address\n",
2318 arg->argv[arg->argn + gw]);
2319 return -1;
2320 }
2321 }
2322
2323 if (rt_Set(arg->bundle, RTM_ADD, dest, gateway, netmask,
2324 arg->cmd->args ? 1 : 0, (addrs & ROUTE_GWHISADDR) ? 1 : 0)
2325 && addrs != ROUTE_STATIC)
2326 route_Add(&arg->bundle->ncp.ipcp.route, addrs, dest, netmask, gateway);
2327
2328 return 0;
2329}
2330
2331static int
2332DeleteCommand(struct cmdargs const *arg)
2333{
2334 struct in_addr dest, none;
2335 int addrs;
2336
2337 if (arg->argc == arg->argn+1) {
2338 if(strcasecmp(arg->argv[arg->argn], "all") == 0) {
2339 route_IfDelete(arg->bundle, 0);
2340 route_DeleteAll(&arg->bundle->ncp.ipcp.route);
2341 } else {
2342 addrs = 0;
2343 if (strcasecmp(arg->argv[arg->argn], "MYADDR") == 0) {
2344 dest = arg->bundle->ncp.ipcp.my_ip;
2345 addrs = ROUTE_DSTMYADDR;
2346 } else if (strcasecmp(arg->argv[arg->argn], "HISADDR") == 0) {
2347 dest = arg->bundle->ncp.ipcp.peer_ip;
2348 addrs = ROUTE_DSTHISADDR;
2349 } else if (strcasecmp(arg->argv[arg->argn], "DNS0") == 0) {
2350 dest = arg->bundle->ncp.ipcp.ns.dns[0];
2351 addrs = ROUTE_DSTDNS0;
2352 } else if (strcasecmp(arg->argv[arg->argn], "DNS1") == 0) {
2353 dest = arg->bundle->ncp.ipcp.ns.dns[1];
2354 addrs = ROUTE_DSTDNS1;
2355 } else {
2356 dest = GetIpAddr(arg->argv[arg->argn]);
2357 if (dest.s_addr == INADDR_NONE) {
2358 log_Printf(LogWARN, "%s: Invalid IP address\n", arg->argv[arg->argn]);
2359 return -1;
2360 }
2361 addrs = ROUTE_STATIC;
2362 }
2363 none.s_addr = INADDR_ANY;
2364 rt_Set(arg->bundle, RTM_DELETE, dest, none, none,
2365 arg->cmd->args ? 1 : 0, 0);
2366 route_Delete(&arg->bundle->ncp.ipcp.route, addrs, dest);
2367 }
2368 } else
2369 return -1;
2370
2371 return 0;
2372}
2373
2374#ifndef NONAT
2375static int
2376NatEnable(struct cmdargs const *arg)
2377{
2378 if (arg->argc == arg->argn+1) {
2379 if (strcasecmp(arg->argv[arg->argn], "yes") == 0) {
2380 if (!arg->bundle->NatEnabled) {
2381 if (arg->bundle->ncp.ipcp.fsm.state == ST_OPENED)
2382 PacketAliasSetAddress(arg->bundle->ncp.ipcp.my_ip);
2383 arg->bundle->NatEnabled = 1;
2384 }
2385 return 0;
2386 } else if (strcasecmp(arg->argv[arg->argn], "no") == 0) {
2387 arg->bundle->NatEnabled = 0;
2388 arg->bundle->cfg.opt &= ~OPT_IFACEALIAS;
2389 /* Don't iface_Clear() - there may be manually configured addresses */
2390 return 0;
2391 }
2392 }
2393
2394 return -1;
2395}
2396
2397
2398static int
2399NatOption(struct cmdargs const *arg)
2400{
2401 long param = (long)arg->cmd->args;
2402
2403 if (arg->argc == arg->argn+1) {
2404 if (strcasecmp(arg->argv[arg->argn], "yes") == 0) {
2405 if (arg->bundle->NatEnabled) {
2406 PacketAliasSetMode(param, param);
2407 return 0;
2408 }
2409 log_Printf(LogWARN, "nat not enabled\n");
2410 } else if (strcmp(arg->argv[arg->argn], "no") == 0) {
2411 if (arg->bundle->NatEnabled) {
2412 PacketAliasSetMode(0, param);
2413 return 0;
2414 }
2415 log_Printf(LogWARN, "nat not enabled\n");
2416 }
2417 }
2418 return -1;
2419}
2420#endif /* #ifndef NONAT */
2421
2422static int
2423LinkCommand(struct cmdargs const *arg)
2424{
2425 if (arg->argc > arg->argn+1) {
2426 char namelist[LINE_LEN];
2427 struct datalink *cx;
2428 char *name;
2429 int result = 0;
2430
2431 if (!strcmp(arg->argv[arg->argn], "*")) {
2432 struct datalink *dl;
2433
2434 cx = arg->bundle->links;
2435 while (cx) {
2436 /* Watch it, the command could be a ``remove'' */
2437 dl = cx->next;
2438 FindExec(arg->bundle, Commands, arg->argc, arg->argn+1, arg->argv,
2439 arg->prompt, cx);
2440 for (cx = arg->bundle->links; cx; cx = cx->next)
2441 if (cx == dl)
2442 break; /* Pointer's still valid ! */
2443 }
2444 } else {
2445 strncpy(namelist, arg->argv[arg->argn], sizeof namelist - 1);
2446 namelist[sizeof namelist - 1] = '\0';
2447 for(name = strtok(namelist, ", "); name; name = strtok(NULL,", "))
2448 if (!bundle2datalink(arg->bundle, name)) {
2449 log_Printf(LogWARN, "link: %s: Invalid link name\n", name);
2450 return 1;
2451 }
2452
2453 strncpy(namelist, arg->argv[arg->argn], sizeof namelist - 1);
2454 namelist[sizeof namelist - 1] = '\0';
2455 for(name = strtok(namelist, ", "); name; name = strtok(NULL,", ")) {
2456 cx = bundle2datalink(arg->bundle, name);
2457 if (cx)
2458 FindExec(arg->bundle, Commands, arg->argc, arg->argn+1, arg->argv,
2459 arg->prompt, cx);
2460 else {
2461 log_Printf(LogWARN, "link: %s: Invalidated link name !\n", name);
2462 result++;
2463 }
2464 }
2465 }
2466 return result;
2467 }
2468
2469 log_Printf(LogWARN, "Usage: %s\n", arg->cmd->syntax);
2470 return 2;
2471}
2472
2473struct link *
2474command_ChooseLink(struct cmdargs const *arg)
2475{
2476 if (arg->cx)
2477 return &arg->cx->physical->link;
2478 else if (!arg->bundle->ncp.mp.cfg.mrru) {
2479 struct datalink *dl = bundle2datalink(arg->bundle, NULL);
2480 if (dl)
2481 return &dl->physical->link;
2482 }
2483 return &arg->bundle->ncp.mp.link;
2484}
2485
2486static const char *
2487ident_cmd(const char *cmd, unsigned *keep, unsigned *add)
2488{
2489 const char *result;
2490
2491 switch (*cmd) {
2492 case 'A':
2493 case 'a':
2494 result = "accept";
2495 *keep = NEG_MYMASK;
2496 *add = NEG_ACCEPTED;
2497 break;
2498 case 'D':
2499 case 'd':
2500 switch (cmd[1]) {
2501 case 'E':
2502 case 'e':
2503 result = "deny";
2504 *keep = NEG_MYMASK;
2505 *add = 0;
2506 break;
2507 case 'I':
2508 case 'i':
2509 result = "disable";
2510 *keep = NEG_HISMASK;
2511 *add = 0;
2512 break;
2513 default:
2514 return NULL;
2515 }
2516 break;
2517 case 'E':
2518 case 'e':
2519 result = "enable";
2520 *keep = NEG_HISMASK;
2521 *add = NEG_ENABLED;
2522 break;
2523 default:
2524 return NULL;
2525 }
2526
2527 return result;
2528}
2529
2530static int
2531OptSet(struct cmdargs const *arg)
2532{
2533 int bit = (int)(long)arg->cmd->args;
2534 const char *cmd;
2535 unsigned keep; /* Keep these bits */
2536 unsigned add; /* Add these bits */
2537
2538 if ((cmd = ident_cmd(arg->argv[arg->argn-2], &keep, &add)) == NULL)
2539 return 1;
2540
2541 if (add)
2542 arg->bundle->cfg.opt |= bit;
2543 else
2544 arg->bundle->cfg.opt &= ~bit;
2545 return 0;
2546}
2547
2548static int
2549IfaceAliasOptSet(struct cmdargs const *arg)
2550{
2551 unsigned save = arg->bundle->cfg.opt;
2552 int result = OptSet(arg);
2553
2554 if (result == 0)
2555 if (Enabled(arg->bundle, OPT_IFACEALIAS) && !arg->bundle->NatEnabled) {
2556 arg->bundle->cfg.opt = save;
2557 log_Printf(LogWARN, "Cannot enable iface-alias without NAT\n");
2558 result = 2;
2559 }
2560
2561 return result;
2562}
2563
2564static int
2565NegotiateSet(struct cmdargs const *arg)
2566{
2567 long param = (long)arg->cmd->args;
2568 struct link *l = command_ChooseLink(arg); /* LOCAL_CX_OPT uses this */
2569 struct datalink *cx = arg->cx; /* LOCAL_CX uses this */
2570 const char *cmd;
2571 unsigned keep; /* Keep these bits */
2572 unsigned add; /* Add these bits */
2573
2574 if ((cmd = ident_cmd(arg->argv[arg->argn-2], &keep, &add)) == NULL)
2575 return 1;
2576
2577 if ((arg->cmd->lauth & LOCAL_CX) && !cx) {
2578 log_Printf(LogWARN, "%s %s: No context (use the `link' command)\n",
2579 cmd, arg->cmd->name);
2580 return 2;
2581 } else if (cx && !(arg->cmd->lauth & (LOCAL_CX|LOCAL_CX_OPT))) {
2582 log_Printf(LogWARN, "%s %s: Redundant context (%s) ignored\n",
2583 cmd, arg->cmd->name, cx->name);
2584 cx = NULL;
2585 }
2586
2587 switch (param) {
2588 case NEG_ACFCOMP:
2589 cx->physical->link.lcp.cfg.acfcomp &= keep;
2590 cx->physical->link.lcp.cfg.acfcomp |= add;
2591 break;
2592 case NEG_CHAP05:
2593 cx->physical->link.lcp.cfg.chap05 &= keep;
2594 cx->physical->link.lcp.cfg.chap05 |= add;
2595 break;
2596#ifdef HAVE_DES
2597 case NEG_CHAP80:
2598 cx->physical->link.lcp.cfg.chap80nt &= keep;
2599 cx->physical->link.lcp.cfg.chap80nt |= add;
2600 break;
2601 case NEG_CHAP80LM:
2602 cx->physical->link.lcp.cfg.chap80lm &= keep;
2603 cx->physical->link.lcp.cfg.chap80lm |= add;
2604 break;
2605 case NEG_CHAP81:
2606 cx->physical->link.lcp.cfg.chap81 &= keep;
2607 cx->physical->link.lcp.cfg.chap81 |= add;
2608 break;
2609 case NEG_MPPE:
2610 l->ccp.cfg.neg[CCP_NEG_MPPE] &= keep;
2611 l->ccp.cfg.neg[CCP_NEG_MPPE] |= add;
2612 break;
2613#endif
2614 case NEG_DEFLATE:
2615 l->ccp.cfg.neg[CCP_NEG_DEFLATE] &= keep;
2616 l->ccp.cfg.neg[CCP_NEG_DEFLATE] |= add;
2617 break;
2618 case NEG_DNS:
2619 arg->bundle->ncp.ipcp.cfg.ns.dns_neg &= keep;
2620 arg->bundle->ncp.ipcp.cfg.ns.dns_neg |= add;
2621 break;
2622 case NEG_ENDDISC:
2623 arg->bundle->ncp.mp.cfg.negenddisc &= keep;
2624 arg->bundle->ncp.mp.cfg.negenddisc |= add;
2625 break;
2626 case NEG_LQR:
2627 cx->physical->link.lcp.cfg.lqr &= keep;
2628 cx->physical->link.lcp.cfg.lqr |= add;
2629 break;
2630 case NEG_PAP:
2631 cx->physical->link.lcp.cfg.pap &= keep;
2632 cx->physical->link.lcp.cfg.pap |= add;
2633 break;
2634 case NEG_PPPDDEFLATE:
2635 l->ccp.cfg.neg[CCP_NEG_DEFLATE24] &= keep;
2636 l->ccp.cfg.neg[CCP_NEG_DEFLATE24] |= add;
2637 break;
2638 case NEG_PRED1:
2639 l->ccp.cfg.neg[CCP_NEG_PRED1] &= keep;
2640 l->ccp.cfg.neg[CCP_NEG_PRED1] |= add;
2641 break;
2642 case NEG_PROTOCOMP:
2643 cx->physical->link.lcp.cfg.protocomp &= keep;
2644 cx->physical->link.lcp.cfg.protocomp |= add;
2645 break;
2646 case NEG_SHORTSEQ:
2647 switch (bundle_Phase(arg->bundle)) {
2648 case PHASE_DEAD:
2649 break;
2650 case PHASE_ESTABLISH:
2651 /* Make sure none of our links are DATALINK_LCP or greater */
2652 if (bundle_HighestState(arg->bundle) >= DATALINK_LCP) {
2653 log_Printf(LogWARN, "shortseq: Only changable before"
2654 " LCP negotiations\n");
2655 return 1;
2656 }
2657 break;
2658 default:
2659 log_Printf(LogWARN, "shortseq: Only changable at phase"
2660 " DEAD/ESTABLISH\n");
2661 return 1;
2662 }
2663 arg->bundle->ncp.mp.cfg.shortseq &= keep;
2664 arg->bundle->ncp.mp.cfg.shortseq |= add;
2665 break;
2666 case NEG_VJCOMP:
2667 arg->bundle->ncp.ipcp.cfg.vj.neg &= keep;
2668 arg->bundle->ncp.ipcp.cfg.vj.neg |= add;
2669 break;
2670 }
2671
2672 return 0;
2673}
2674
2675static struct cmdtab const NegotiateCommands[] = {
2676 {"filter-decapsulation", NULL, OptSet, LOCAL_AUTH,
2677 "filter on PPPoUDP payloads", "disable|enable",
2678 (const void *)OPT_FILTERDECAP},
2679 {"idcheck", NULL, OptSet, LOCAL_AUTH, "Check FSM reply ids",
2680 "disable|enable", (const void *)OPT_IDCHECK},
2681 {"iface-alias", NULL, IfaceAliasOptSet, LOCAL_AUTH,
2682 "retain interface addresses", "disable|enable",
2683 (const void *)OPT_IFACEALIAS},
2684 {"keep-session", NULL, OptSet, LOCAL_AUTH, "Retain device session leader",
2685 "disable|enable", (const void *)OPT_KEEPSESSION},
2686 {"loopback", NULL, OptSet, LOCAL_AUTH, "Loop packets for local iface",
2687 "disable|enable", (const void *)OPT_LOOPBACK},
2688 {"passwdauth", NULL, OptSet, LOCAL_AUTH, "Use passwd file",
2689 "disable|enable", (const void *)OPT_PASSWDAUTH},
2690 {"proxy", NULL, OptSet, LOCAL_AUTH, "Create a proxy ARP entry",
2691 "disable|enable", (const void *)OPT_PROXY},
2692 {"proxyall", NULL, OptSet, LOCAL_AUTH, "Proxy ARP for all remote hosts",
2693 "disable|enable", (const void *)OPT_PROXYALL},
2694 {"sroutes", NULL, OptSet, LOCAL_AUTH, "Use sticky routes",
2695 "disable|enable", (const void *)OPT_SROUTES},
2696 {"tcpmssfixup", "mssfixup", OptSet, LOCAL_AUTH, "Modify MSS options",
2697 "disable|enable", (const void *)OPT_TCPMSSFIXUP},
2698 {"throughput", NULL, OptSet, LOCAL_AUTH, "Rolling throughput",
2699 "disable|enable", (const void *)OPT_THROUGHPUT},
2700 {"utmp", NULL, OptSet, LOCAL_AUTH, "Log connections in utmp",
2701 "disable|enable", (const void *)OPT_UTMP},
2702
2703#define OPT_MAX 11 /* accept/deny allowed below and not above */
2704
2705 {"acfcomp", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX,
2706 "Address & Control field compression", "accept|deny|disable|enable",
2707 (const void *)NEG_ACFCOMP},
2708 {"chap", "chap05", NegotiateSet, LOCAL_AUTH | LOCAL_CX,
2709 "Challenge Handshake Authentication Protocol", "accept|deny|disable|enable",
2710 (const void *)NEG_CHAP05},
2711#ifdef HAVE_DES
2712 {"mschap", "chap80nt", NegotiateSet, LOCAL_AUTH | LOCAL_CX,
2713 "Microsoft (NT) CHAP", "accept|deny|disable|enable",
2714 (const void *)NEG_CHAP80},
2715 {"LANMan", "chap80lm", NegotiateSet, LOCAL_AUTH | LOCAL_CX,
2716 "Microsoft (NT) CHAP", "accept|deny|disable|enable",
2717 (const void *)NEG_CHAP80LM},
2718 {"mschapv2", "chap81", NegotiateSet, LOCAL_AUTH | LOCAL_CX,
2719 "Microsoft CHAP v2", "accept|deny|disable|enable",
2720 (const void *)NEG_CHAP81},
2721 {"mppe", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX_OPT,
2722 "MPPE encryption", "accept|deny|disable|enable",
2723 (const void *)NEG_MPPE},
2724#endif
2725 {"deflate", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX_OPT,
2726 "Deflate compression", "accept|deny|disable|enable",
2727 (const void *)NEG_DEFLATE},
2728 {"deflate24", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX_OPT,
2729 "Deflate (type 24) compression", "accept|deny|disable|enable",
2730 (const void *)NEG_PPPDDEFLATE},
2731 {"dns", NULL, NegotiateSet, LOCAL_AUTH,
2732 "DNS specification", "accept|deny|disable|enable", (const void *)NEG_DNS},
2733 {"enddisc", NULL, NegotiateSet, LOCAL_AUTH, "ENDDISC negotiation",
2734 "accept|deny|disable|enable", (const void *)NEG_ENDDISC},
2735 {"lqr", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX,
2736 "Link Quality Reports", "accept|deny|disable|enable",
2737 (const void *)NEG_LQR},
2738 {"pap", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX,
2739 "Password Authentication protocol", "accept|deny|disable|enable",
2740 (const void *)NEG_PAP},
2741 {"pred1", "predictor1", NegotiateSet, LOCAL_AUTH | LOCAL_CX_OPT,
2742 "Predictor 1 compression", "accept|deny|disable|enable",
2743 (const void *)NEG_PRED1},
2744 {"protocomp", NULL, NegotiateSet, LOCAL_AUTH | LOCAL_CX,
2745 "Protocol field compression", "accept|deny|disable|enable",
2746 (const void *)NEG_PROTOCOMP},
2747 {"shortseq", NULL, NegotiateSet, LOCAL_AUTH,
2748 "MP Short Sequence Numbers", "accept|deny|disable|enable",
2749 (const void *)NEG_SHORTSEQ},
2750 {"vjcomp", NULL, NegotiateSet, LOCAL_AUTH,
2751 "Van Jacobson header compression", "accept|deny|disable|enable",
2752 (const void *)NEG_VJCOMP},
2753 {"help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
2754 "Display this message", "accept|deny|disable|enable help|? [value]",
2755 NegotiateCommands},
2756 {NULL, NULL, NULL},
2757};
2758
2759static int
2760NegotiateCommand(struct cmdargs const *arg)
2761{
2762 if (arg->argc > arg->argn) {
2763 char const *argv[3];
2764 unsigned keep, add;
2765 int n;
2766
2767 if ((argv[0] = ident_cmd(arg->argv[arg->argn-1], &keep, &add)) == NULL)
2768 return -1;
2769 argv[2] = NULL;
2770
2771 for (n = arg->argn; n < arg->argc; n++) {
2772 argv[1] = arg->argv[n];
2773 FindExec(arg->bundle, NegotiateCommands + (keep == NEG_HISMASK ?
2774 0 : OPT_MAX), 2, 1, argv, arg->prompt, arg->cx);
2775 }
2776 } else if (arg->prompt)
2777 prompt_Printf(arg->prompt, "Use `%s ?' to get a list.\n",
2778 arg->argv[arg->argn-1]);
2779 else
2780 log_Printf(LogWARN, "%s command must have arguments\n",
2781 arg->argv[arg->argn] );
2782
2783 return 0;
2784}
2785
2786const char *
2787command_ShowNegval(unsigned val)
2788{
2789 switch (val&3) {
2790 case 1: return "disabled & accepted";
2791 case 2: return "enabled & denied";
2792 case 3: return "enabled & accepted";
2793 }
2794 return "disabled & denied";
2795}
2796
2797static int
2798ClearCommand(struct cmdargs const *arg)
2799{
2800 struct pppThroughput *t;
2801 struct datalink *cx;
2802 int i, clear_type;
2803
2804 if (arg->argc < arg->argn + 1)
2805 return -1;
2806
2807 if (strcasecmp(arg->argv[arg->argn], "physical") == 0) {
2808 cx = arg->cx;
2809 if (!cx)
2810 cx = bundle2datalink(arg->bundle, NULL);
2811 if (!cx) {
2812 log_Printf(LogWARN, "A link must be specified for ``clear physical''\n");
2813 return 1;
2814 }
2815 t = &cx->physical->link.stats.total;
2816 } else if (strcasecmp(arg->argv[arg->argn], "ipcp") == 0)
2817 t = &arg->bundle->ncp.ipcp.throughput;
2818 else
2819 return -1;
2820
2821 if (arg->argc > arg->argn + 1) {
2822 clear_type = 0;
2823 for (i = arg->argn + 1; i < arg->argc; i++)
2824 if (strcasecmp(arg->argv[i], "overall") == 0)
2825 clear_type |= THROUGHPUT_OVERALL;
2826 else if (strcasecmp(arg->argv[i], "current") == 0)
2827 clear_type |= THROUGHPUT_CURRENT;
2828 else if (strcasecmp(arg->argv[i], "peak") == 0)
2829 clear_type |= THROUGHPUT_PEAK;
2830 else
2831 return -1;
2832 } else
2833 clear_type = THROUGHPUT_ALL;
2834
2835 throughput_clear(t, clear_type, arg->prompt);
2836 return 0;
2837}
2838
2839static int
2840RunListCommand(struct cmdargs const *arg)
2841{
2842 const char *cmd = arg->argc ? arg->argv[arg->argc - 1] : "???";
2843
2844#ifndef NONAT
2845 if (arg->cmd->args == NatCommands &&
2846 tolower(*arg->argv[arg->argn - 1]) == 'a') {
2847 if (arg->prompt)
2848 prompt_Printf(arg->prompt, "The alias command is deprecated\n");
2849 else
2850 log_Printf(LogWARN, "The alias command is deprecated\n");
2851 }
2852#endif
2853
2854 if (arg->argc > arg->argn)
2855 FindExec(arg->bundle, arg->cmd->args, arg->argc, arg->argn, arg->argv,
2856 arg->prompt, arg->cx);
2857 else if (arg->prompt)
2858 prompt_Printf(arg->prompt, "Use `%s help' to get a list or `%s help"
2859 " <option>' for syntax help.\n", cmd, cmd);
2860 else
2861 log_Printf(LogWARN, "%s command must have arguments\n", cmd);
2862
2863 return 0;
2864}
2865
2866static int
2867IfaceAddCommand(struct cmdargs const *arg)
2868{
2869 int bits, n, how;
2870 struct in_addr ifa, mask, brd;
2871
2872 if (arg->argc == arg->argn + 1) {
2873 if (!ParseAddr(NULL, arg->argv[arg->argn], &ifa, NULL, NULL))
2874 return -1;
2875 mask.s_addr = brd.s_addr = INADDR_BROADCAST;
2876 } else {
2877 if (arg->argc == arg->argn + 2) {
2878 if (!ParseAddr(NULL, arg->argv[arg->argn], &ifa, &mask, &bits))
2879 return -1;
2880 n = 1;
2881 } else if (arg->argc == arg->argn + 3) {
2882 if (!ParseAddr(NULL, arg->argv[arg->argn], &ifa, NULL, NULL))
2883 return -1;
2884 if (!ParseAddr(NULL, arg->argv[arg->argn + 1], &mask, NULL, NULL))
2885 return -1;
2886 n = 2;
2887 } else
2888 return -1;
2889
2890 if (!ParseAddr(NULL, arg->argv[arg->argn + n], &brd, NULL, NULL))
2891 return -1;
2892 }
2893
2894 how = IFACE_ADD_LAST;
2895 if (arg->cmd->args)
2896 how |= IFACE_FORCE_ADD;
2897
2898 return !iface_inAdd(arg->bundle->iface, ifa, mask, brd, how);
2899}
2900
2901static int
2902IfaceDeleteCommand(struct cmdargs const *arg)
2903{
2904 struct in_addr ifa;
2905 int ok;
2906
2907 if (arg->argc != arg->argn + 1)
2908 return -1;
2909
2910 if (!ParseAddr(NULL, arg->argv[arg->argn], &ifa, NULL, NULL))
2911 return -1;
2912
2913 if (arg->bundle->ncp.ipcp.fsm.state == ST_OPENED &&
2914 arg->bundle->ncp.ipcp.my_ip.s_addr == ifa.s_addr) {
2915 log_Printf(LogWARN, "%s: Cannot remove active interface address\n",
2916 inet_ntoa(ifa));
2917 return 1;
2918 }
2919
2920 ok = iface_inDelete(arg->bundle->iface, ifa);
2921 if (!ok) {
2922 if (arg->cmd->args)
2923 ok = 1;
2924 else if (arg->prompt)
2925 prompt_Printf(arg->prompt, "%s: No such address\n", inet_ntoa(ifa));
2926 else
2927 log_Printf(LogWARN, "%s: No such address\n", inet_ntoa(ifa));
2928 }
2929
2930 return !ok;
2931}
2932
2933static int
2934IfaceClearCommand(struct cmdargs const *arg)
2935{
2936 int how;
2937
2938 if (arg->argc != arg->argn)
2939 return -1;
2940
2941 how = arg->bundle->ncp.ipcp.fsm.state == ST_OPENED ||
2942 arg->bundle->phys_type.all & PHYS_AUTO ?
2943 IFACE_CLEAR_ALIASES : IFACE_CLEAR_ALL;
2944 iface_Clear(arg->bundle->iface, how);
2945
2946 return 0;
2947}
2948
2949static int
2950SetProcTitle(struct cmdargs const *arg)
2951{
2952 static char title[LINE_LEN];
2953 char *argv[MAXARGS], *ptr;
2954 int len, remaining, f, argc = arg->argc - arg->argn;
2955
2956 if (arg->argc == arg->argn) {
2957 SetTitle(NULL);
2958 return 0;
2959 }
2960
2961 if (argc >= sizeof argv / sizeof argv[0]) {
2962 argc = sizeof argv / sizeof argv[0] - 1;
2963 log_Printf(LogWARN, "Truncating proc title to %d args\n", argc);
2964 }
2965 command_Expand(argv, argc, arg->argv + arg->argn, arg->bundle, 1, getpid());
2966
2967 ptr = title;
2968 remaining = sizeof title - 1;
2969 for (f = 0; f < argc && remaining; f++) {
2970 if (f) {
2971 *ptr++ = ' ';
2972 remaining--;
2973 }
2974 len = strlen(argv[f]);
2975 if (len > remaining)
2976 len = remaining;
2977 memcpy(ptr, argv[f], len);
2978 remaining -= len;
2979 ptr += len;
2980 }
2981 *ptr = '\0';
2982
2983 SetTitle(title);
2984
2985 return 0;
2986}