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fixed the strongswan.conf path
[strongswan.git] / src / whack / whack.c
1 /* command interface to Pluto
2 * Copyright (C) 1997 Angelos D. Keromytis.
3 * Copyright (C) 1998-2001 D. Hugh Redelmeier.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * for more details.
14 *
15 * RCSID $Id$
16 */
17
18 #include <stdio.h>
19 #include <stdlib.h>
20 #include <stddef.h>
21 #include <string.h>
22 #include <ctype.h>
23 #include <unistd.h>
24 #include <errno.h>
25 #include <sys/types.h>
26 #include <sys/socket.h>
27 #include <sys/un.h>
28 #include <netinet/in.h>
29 #include <arpa/inet.h>
30 #include <getopt.h>
31 #include <assert.h>
32
33 #include <freeswan.h>
34
35 #include "constants.h"
36 #include "defs.h"
37 #include "whack.h"
38
39 static void
40 help(void)
41 {
42 fprintf(stderr
43 , "Usage:\n\n"
44 "all forms:"
45 " [--optionsfrom <filename>]"
46 " [--ctlbase <path>]"
47 " [--label <string>]"
48 "\n\n"
49 "help: whack"
50 " [--help]"
51 " [--version]"
52 "\n\n"
53 "connection: whack"
54 " --name <connection_name>"
55 " \\\n "
56 " [--ipv4 | --ipv6]"
57 " [--tunnelipv4 | --tunnelipv6]"
58 " \\\n "
59 " (--host <ip-address> | --id <identity>)"
60 " \\\n "
61 " [--cert <path>]"
62 " [--ca <distinguished name>]"
63 " [--sendcert <policy>]"
64 " \\\n "
65 " [--groups <access control groups>]"
66 " \\\n "
67 " [--ikeport <port-number>]"
68 " [--nexthop <ip-address>]"
69 " [--srcip <ip-address>]"
70 " \\\n "
71 " [--client <subnet> | --clientwithin <address range>]"
72 " [--clientprotoport <protocol>/<port>]"
73 " \\\n "
74 " [--dnskeyondemand]"
75 " [--updown <updown>]"
76 " \\\n "
77 " --to"
78 " (--host <ip-address> | --id <identity>)"
79 " \\\n "
80 " [--cert <path>]"
81 " [--ca <distinguished name>]"
82 " [--sendcert <policy>]"
83 " \\\n "
84 " [--ikeport <port-number>]"
85 " [--nexthop <ip-address>]"
86 " [--srcip <ip-address>]"
87 " \\\n "
88 " [--client <subnet> | --clientwithin <address range>]"
89 " [--clientprotoport <protocol>/<port>]"
90 " \\\n "
91 " [--dnskeyondemand]"
92 " [--updown <updown>]"
93 " [--psk]"
94 " [--rsasig]"
95 " \\\n "
96 " [--encrypt]"
97 " [--authenticate]"
98 " [--compress]"
99 " [--tunnel]"
100 " [--pfs]"
101 " \\\n "
102 " [--ikelifetime <seconds>]"
103 " [--ipseclifetime <seconds>]"
104 " \\\n "
105 " [--reykeymargin <seconds>]"
106 " [--reykeyfuzz <percentage>]"
107 " \\\n "
108 " [--keyingtries <count>]"
109 " \\\n "
110 " [--esp <esp-algos>]"
111 " \\\n "
112 " [--dontrekey]"
113
114 " [--dpdaction (none|clear|hold|restart)]"
115 " \\\n "
116 " [--dpddelay <seconds> --dpdtimeout <seconds>]"
117 " \\\n "
118 " [--initiateontraffic|--pass|--drop|--reject]"
119 " \\\n "
120 " [--failnone|--failpass|--faildrop|--failreject]"
121 "\n\n"
122 "routing: whack"
123 " (--route | --unroute)"
124 " --name <connection_name>"
125 "\n\n"
126 "initiation:"
127 "\n "
128 " whack"
129 " (--initiate | --terminate)"
130 " --name <connection_name>"
131 " [--asynchronous]"
132 "\n\n"
133 "opportunistic initiation: whack"
134 " [--tunnelipv4 | --tunnelipv6]"
135 " \\\n "
136 " --oppohere <ip-address>"
137 " --oppothere <ip-address>"
138 "\n\n"
139 "delete: whack"
140 " --delete"
141 " (--name <connection_name> | --caname <ca name>)"
142 "\n\n"
143 "deletestate: whack"
144 " --deletestate <state_object_number>"
145 " --crash <ip-address>"
146 "\n\n"
147 "pubkey: whack"
148 " --keyid <id>"
149 " [--addkey]"
150 " [--pubkeyrsa <key>]"
151 "\n\n"
152 "myid: whack"
153 " --myid <id>"
154 "\n\n"
155 "ca: whack"
156 " --caname <name>"
157 " --cacert <path>"
158 " \\\n "
159 " [--ldaphost <hostname>]"
160 " [--ldapbase <base>]"
161 " \\\n "
162 " [--crluri <uri>]"
163 " [--crluri2 <uri>]"
164 " [--ocspuri <uri>]"
165 " [--strictcrlpolicy]"
166 "\n\n"
167 #ifdef DEBUG
168 "debug: whack [--name <connection_name>]"
169 " \\\n "
170 " [--debug-none]"
171 " [--debug-all]"
172 " \\\n "
173 " [--debug-raw]"
174 " [--debug-crypt]"
175 " [--debug-parsing]"
176 " [--debug-emitting]"
177 " \\\n "
178 " [--debug-control]"
179 " [--debug-lifecycle]"
180 " [--debug-klips]"
181 " [--debug-dns]"
182 " \\\n "
183 " [--debug-natt]"
184 " [--debug-oppo]"
185 " [--debug-controlmore]"
186 " [--debug-private]"
187 "\n\n"
188 #endif
189 "listen: whack"
190 " (--listen | --unlisten)"
191 "\n\n"
192 "list: whack [--utc]"
193 " [--listalgs]"
194 " [--listpubkeys]"
195 " [--listcerts]"
196 " [--listcacerts]"
197 " \\\n "
198 " [--listacerts]"
199 " [--listaacerts]"
200 " [--listocspcerts]"
201 " [--listgroups]"
202 " \\\n "
203 " [--listcainfos]"
204 " [--listcrls]"
205 " [--listocsp]"
206 " [--listcards]"
207 " [--listall]"
208 "\n\n"
209 "purge: whack"
210 " [--purgeocsp]"
211 "\n\n"
212 "reread: whack"
213 " [--rereadsecrets]"
214 " [--rereadcacerts]"
215 " [--rereadaacerts]"
216 " \\\n "
217 " [--rereadocspcerts]"
218 " [--rereadacerts]"
219 " [--rereadcrls]"
220 " [--rereadall]"
221 "\n\n"
222 "status: whack"
223 " [--name <connection_name>] --status|--statusall"
224 "\n\n"
225 "scdecrypt: whack"
226 " --scencrypt|scdecrypt <value>"
227 " [--inbase <base>]"
228 " [--outbase <base>]"
229 " [--keyid <id>]"
230 "\n\n"
231 "shutdown: whack"
232 " --shutdown"
233 "\n\n"
234 "strongSwan %s\n"
235 , ipsec_version_code());
236 }
237
238 static const char *label = NULL; /* --label operand, saved for diagnostics */
239
240 static const char *name = NULL; /* --name operand, saved for diagnostics */
241
242 /* print a string as a diagnostic, then exit whack unhappily */
243 static void
244 diag(const char *mess)
245 {
246 if (mess != NULL)
247 {
248 fprintf(stderr, "whack error: ");
249 if (label != NULL)
250 fprintf(stderr, "%s ", label);
251 if (name != NULL)
252 fprintf(stderr, "\"%s\" ", name);
253 fprintf(stderr, "%s\n", mess);
254 }
255
256 exit(RC_WHACK_PROBLEM);
257 }
258
259 /* conditially calls diag; prints second arg, if non-NULL, as quoted string */
260 static void
261 diagq(err_t ugh, const char *this)
262 {
263 if (ugh != NULL)
264 {
265 if (this == NULL)
266 {
267 diag(ugh);
268 }
269 else
270 {
271 char buf[120]; /* arbitrary limit */
272
273 snprintf(buf, sizeof(buf), "%s \"%s\"", ugh, this);
274 diag(buf);
275 }
276 }
277 }
278
279 /* complex combined operands return one of these enumerated values
280 * Note: these become flags in an lset_t. Since there are more than
281 * 32, we partition them into:
282 * - OPT_* options (most random options)
283 * - LST_* options (list various internal data)
284 * - DBGOPT_* option (DEBUG options)
285 * - END_* options (End description options)
286 * - CD_* options (Connection Description options)
287 * - CA_* options (CA description options)
288 */
289 enum {
290 # define OPT_FIRST OPT_CTLBASE
291 OPT_CTLBASE,
292 OPT_NAME,
293
294 OPT_CD,
295
296 OPT_KEYID,
297 OPT_ADDKEY,
298 OPT_PUBKEYRSA,
299
300 OPT_MYID,
301
302 OPT_ROUTE,
303 OPT_UNROUTE,
304
305 OPT_INITIATE,
306 OPT_TERMINATE,
307 OPT_DELETE,
308 OPT_DELETESTATE,
309 OPT_LISTEN,
310 OPT_UNLISTEN,
311
312 OPT_PURGEOCSP,
313
314 OPT_REREADSECRETS,
315 OPT_REREADCACERTS,
316 OPT_REREADAACERTS,
317 OPT_REREADOCSPCERTS,
318 OPT_REREADACERTS,
319 OPT_REREADCRLS,
320 OPT_REREADALL,
321
322 OPT_STATUS,
323 OPT_STATUSALL,
324 OPT_SHUTDOWN,
325
326 OPT_OPPO_HERE,
327 OPT_OPPO_THERE,
328
329 OPT_ASYNC,
330 OPT_DELETECRASH,
331
332 # define OPT_LAST OPT_ASYNC /* last "normal" option */
333
334 /* Smartcard options */
335
336 # define SC_FIRST SC_ENCRYPT /* first smartcard option */
337
338 SC_ENCRYPT,
339 SC_DECRYPT,
340 SC_INBASE,
341 SC_OUTBASE,
342
343 # define SC_LAST SC_OUTBASE /* last "smartcard" option */
344
345 /* List options */
346
347 # define LST_FIRST LST_UTC /* first list option */
348 LST_UTC,
349 LST_ALGS,
350 LST_PUBKEYS,
351 LST_CERTS,
352 LST_CACERTS,
353 LST_ACERTS,
354 LST_AACERTS,
355 LST_OCSPCERTS,
356 LST_GROUPS,
357 LST_CAINFOS,
358 LST_CRLS,
359 LST_OCSP,
360 LST_CARDS,
361 LST_ALL,
362
363 # define LST_LAST LST_ALL /* last list option */
364
365 /* Connection End Description options */
366
367 # define END_FIRST END_HOST /* first end description */
368 END_HOST,
369 END_ID,
370 END_CERT,
371 END_CA,
372 END_SENDCERT,
373 END_GROUPS,
374 END_IKEPORT,
375 END_NEXTHOP,
376 END_CLIENT,
377 END_CLIENTWITHIN,
378 END_CLIENTPROTOPORT,
379 END_DNSKEYONDEMAND,
380 END_SRCIP,
381 END_HOSTACCESS,
382 END_UPDOWN,
383
384 #define END_LAST END_UPDOWN /* last end description*/
385
386 /* Connection Description options -- segregated */
387
388 # define CD_FIRST CD_TO /* first connection description */
389 CD_TO,
390
391 # define CD_POLICY_FIRST CD_PSK
392 CD_PSK, /* same order as POLICY_* */
393 CD_RSASIG, /* same order as POLICY_* */
394 CD_ENCRYPT, /* same order as POLICY_* */
395 CD_AUTHENTICATE, /* same order as POLICY_* */
396 CD_COMPRESS, /* same order as POLICY_* */
397 CD_TUNNEL, /* same order as POLICY_* */
398 CD_PFS, /* same order as POLICY_* */
399 CD_DISABLEARRIVALCHECK, /* same order as POLICY_* */
400 CD_SHUNT0, /* same order as POLICY_* */
401 CD_SHUNT1, /* same order as POLICY_* */
402 CD_FAIL0, /* same order as POLICY_* */
403 CD_FAIL1, /* same order as POLICY_* */
404 CD_DONT_REKEY, /* same order as POLICY_* */
405
406 CD_TUNNELIPV4,
407 CD_TUNNELIPV6,
408 CD_CONNIPV4,
409 CD_CONNIPV6,
410
411 CD_IKELIFETIME,
412 CD_IPSECLIFETIME,
413 CD_RKMARGIN,
414 CD_RKFUZZ,
415 CD_KTRIES,
416 CD_DPDACTION,
417 CD_DPDDELAY,
418 CD_DPDTIMEOUT,
419 CD_IKE,
420 CD_PFSGROUP,
421 CD_ESP,
422
423 # define CD_LAST CD_ESP /* last connection description */
424
425 /* Certificate Authority (CA) description options */
426
427 # define CA_FIRST CA_NAME /* first ca description */
428
429 CA_NAME,
430 CA_CERT,
431 CA_LDAPHOST,
432 CA_LDAPBASE,
433 CA_CRLURI,
434 CA_CRLURI2,
435 CA_OCSPURI,
436 CA_STRICT
437
438 # define CA_LAST CA_STRICT /* last ca description */
439
440 #ifdef DEBUG /* must be last so others are less than 32 to fit in lset_t */
441 # define DBGOPT_FIRST DBGOPT_NONE
442 ,
443 /* NOTE: these definitions must match DBG_* and IMPAIR_* in constants.h */
444 DBGOPT_NONE,
445 DBGOPT_ALL,
446
447 DBGOPT_RAW, /* same order as DBG_* */
448 DBGOPT_CRYPT, /* same order as DBG_* */
449 DBGOPT_PARSING, /* same order as DBG_* */
450 DBGOPT_EMITTING, /* same order as DBG_* */
451 DBGOPT_CONTROL, /* same order as DBG_* */
452 DBGOPT_LIFECYCLE, /* same order as DBG_* */
453 DBGOPT_KLIPS, /* same order as DBG_* */
454 DBGOPT_DNS, /* same order as DBG_* */
455 DBGOPT_NATT, /* same order as DBG_* */
456 DBGOPT_OPPO, /* same order as DBG_* */
457 DBGOPT_CONTROLMORE, /* same order as DBG_* */
458
459 DBGOPT_PRIVATE, /* same order as DBG_* */
460
461 DBGOPT_IMPAIR_DELAY_ADNS_KEY_ANSWER, /* same order as IMPAIR_* */
462 DBGOPT_IMPAIR_DELAY_ADNS_TXT_ANSWER, /* same order as IMPAIR_* */
463 DBGOPT_IMPAIR_BUST_MI2, /* same order as IMPAIR_* */
464 DBGOPT_IMPAIR_BUST_MR2 /* same order as IMPAIR_* */
465
466 # define DBGOPT_LAST DBGOPT_IMPAIR_BUST_MR2
467 #endif
468
469 };
470
471 /* Carve up space for result from getop_long.
472 * Stupidly, the only result is an int.
473 * Numeric arg is bit immediately left of basic value.
474 *
475 */
476 #define OPTION_OFFSET 256 /* to get out of the way of letter options */
477 #define NUMERIC_ARG (1 << 9) /* expect a numeric argument */
478 #define AUX_SHIFT 10 /* amount to shift for aux information */
479
480 static const struct option long_opts[] = {
481 # define OO OPTION_OFFSET
482 /* name, has_arg, flag, val */
483
484 { "help", no_argument, NULL, 'h' },
485 { "version", no_argument, NULL, 'v' },
486 { "optionsfrom", required_argument, NULL, '+' },
487 { "label", required_argument, NULL, 'l' },
488
489 { "ctlbase", required_argument, NULL, OPT_CTLBASE + OO },
490 { "name", required_argument, NULL, OPT_NAME + OO },
491
492 { "keyid", required_argument, NULL, OPT_KEYID + OO },
493 { "addkey", no_argument, NULL, OPT_ADDKEY + OO },
494 { "pubkeyrsa", required_argument, NULL, OPT_PUBKEYRSA + OO },
495
496 { "myid", required_argument, NULL, OPT_MYID + OO },
497
498 { "route", no_argument, NULL, OPT_ROUTE + OO },
499 { "unroute", no_argument, NULL, OPT_UNROUTE + OO },
500
501 { "initiate", no_argument, NULL, OPT_INITIATE + OO },
502 { "terminate", no_argument, NULL, OPT_TERMINATE + OO },
503 { "delete", no_argument, NULL, OPT_DELETE + OO },
504 { "deletestate", required_argument, NULL, OPT_DELETESTATE + OO + NUMERIC_ARG },
505 { "crash", required_argument, NULL, OPT_DELETECRASH + OO },
506 { "listen", no_argument, NULL, OPT_LISTEN + OO },
507 { "unlisten", no_argument, NULL, OPT_UNLISTEN + OO },
508
509 { "purgeocsp", no_argument, NULL, OPT_PURGEOCSP + OO },
510
511 { "rereadsecrets", no_argument, NULL, OPT_REREADSECRETS + OO },
512 { "rereadcacerts", no_argument, NULL, OPT_REREADCACERTS + OO },
513 { "rereadaacerts", no_argument, NULL, OPT_REREADAACERTS + OO },
514 { "rereadocspcerts", no_argument, NULL, OPT_REREADOCSPCERTS + OO },
515 { "rereadacerts", no_argument, NULL, OPT_REREADACERTS + OO },
516 { "rereadcrls", no_argument, NULL, OPT_REREADCRLS + OO },
517 { "rereadall", no_argument, NULL, OPT_REREADALL + OO },
518 { "status", no_argument, NULL, OPT_STATUS + OO },
519 { "statusall", no_argument, NULL, OPT_STATUSALL + OO },
520 { "shutdown", no_argument, NULL, OPT_SHUTDOWN + OO },
521
522 { "oppohere", required_argument, NULL, OPT_OPPO_HERE + OO },
523 { "oppothere", required_argument, NULL, OPT_OPPO_THERE + OO },
524
525 { "asynchronous", no_argument, NULL, OPT_ASYNC + OO },
526
527 /* smartcard options */
528
529 { "scencrypt", required_argument, NULL, SC_ENCRYPT + OO },
530 { "scdecrypt", required_argument, NULL, SC_DECRYPT + OO },
531 { "inbase", required_argument, NULL, SC_INBASE + OO },
532 { "outbase", required_argument, NULL, SC_OUTBASE + OO },
533
534 /* list options */
535
536 { "utc", no_argument, NULL, LST_UTC + OO },
537 { "listalgs", no_argument, NULL, LST_ALGS + OO },
538 { "listpubkeys", no_argument, NULL, LST_PUBKEYS + OO },
539 { "listcerts", no_argument, NULL, LST_CERTS + OO },
540 { "listcacerts", no_argument, NULL, LST_CACERTS + OO },
541 { "listacerts", no_argument, NULL, LST_ACERTS + OO },
542 { "listaacerts", no_argument, NULL, LST_AACERTS + OO },
543 { "listocspcerts", no_argument, NULL, LST_OCSPCERTS + OO },
544 { "listgroups", no_argument, NULL, LST_GROUPS + OO },
545 { "listcainfos", no_argument, NULL, LST_CAINFOS + OO },
546 { "listcrls", no_argument, NULL, LST_CRLS + OO },
547 { "listocsp", no_argument, NULL, LST_OCSP + OO },
548 { "listcards", no_argument, NULL, LST_CARDS + OO },
549 { "listall", no_argument, NULL, LST_ALL + OO },
550
551 /* options for an end description */
552
553 { "host", required_argument, NULL, END_HOST + OO },
554 { "id", required_argument, NULL, END_ID + OO },
555 { "cert", required_argument, NULL, END_CERT + OO },
556 { "ca", required_argument, NULL, END_CA + OO },
557 { "sendcert", required_argument, NULL, END_SENDCERT + OO },
558 { "groups", required_argument, NULL, END_GROUPS + OO },
559 { "ikeport", required_argument, NULL, END_IKEPORT + OO + NUMERIC_ARG },
560 { "nexthop", required_argument, NULL, END_NEXTHOP + OO },
561 { "client", required_argument, NULL, END_CLIENT + OO },
562 { "clientwithin", required_argument, NULL, END_CLIENTWITHIN + OO },
563 { "clientprotoport", required_argument, NULL, END_CLIENTPROTOPORT + OO },
564 { "dnskeyondemand", no_argument, NULL, END_DNSKEYONDEMAND + OO },
565 { "srcip", required_argument, NULL, END_SRCIP + OO },
566 { "hostaccess", no_argument, NULL, END_HOSTACCESS + OO },
567 { "updown", required_argument, NULL, END_UPDOWN + OO },
568
569 /* options for a connection description */
570
571 { "to", no_argument, NULL, CD_TO + OO },
572
573 { "psk", no_argument, NULL, CD_PSK + OO },
574 { "rsasig", no_argument, NULL, CD_RSASIG + OO },
575
576 { "encrypt", no_argument, NULL, CD_ENCRYPT + OO },
577 { "authenticate", no_argument, NULL, CD_AUTHENTICATE + OO },
578 { "compress", no_argument, NULL, CD_COMPRESS + OO },
579 { "tunnel", no_argument, NULL, CD_TUNNEL + OO },
580 { "tunnelipv4", no_argument, NULL, CD_TUNNELIPV4 + OO },
581 { "tunnelipv6", no_argument, NULL, CD_TUNNELIPV6 + OO },
582 { "pfs", no_argument, NULL, CD_PFS + OO },
583 { "disablearrivalcheck", no_argument, NULL, CD_DISABLEARRIVALCHECK + OO },
584 { "initiateontraffic", no_argument, NULL
585 , CD_SHUNT0 + (POLICY_SHUNT_TRAP >> POLICY_SHUNT_SHIFT << AUX_SHIFT) + OO },
586 { "pass", no_argument, NULL
587 , CD_SHUNT0 + (POLICY_SHUNT_PASS >> POLICY_SHUNT_SHIFT << AUX_SHIFT) + OO },
588 { "drop", no_argument, NULL
589 , CD_SHUNT0 + (POLICY_SHUNT_DROP >> POLICY_SHUNT_SHIFT << AUX_SHIFT) + OO },
590 { "reject", no_argument, NULL
591 , CD_SHUNT0 + (POLICY_SHUNT_REJECT >> POLICY_SHUNT_SHIFT << AUX_SHIFT) + OO },
592 { "failnone", no_argument, NULL
593 , CD_FAIL0 + (POLICY_FAIL_NONE >> POLICY_FAIL_SHIFT << AUX_SHIFT) + OO },
594 { "failpass", no_argument, NULL
595 , CD_FAIL0 + (POLICY_FAIL_PASS >> POLICY_FAIL_SHIFT << AUX_SHIFT) + OO },
596 { "faildrop", no_argument, NULL
597 , CD_FAIL0 + (POLICY_FAIL_DROP >> POLICY_FAIL_SHIFT << AUX_SHIFT) + OO },
598 { "failreject", no_argument, NULL
599 , CD_FAIL0 + (POLICY_FAIL_REJECT >> POLICY_FAIL_SHIFT << AUX_SHIFT) + OO },
600 { "dontrekey", no_argument, NULL, CD_DONT_REKEY + OO },
601 { "ipv4", no_argument, NULL, CD_CONNIPV4 + OO },
602 { "ipv6", no_argument, NULL, CD_CONNIPV6 + OO },
603
604 { "ikelifetime", required_argument, NULL, CD_IKELIFETIME + OO + NUMERIC_ARG },
605 { "ipseclifetime", required_argument, NULL, CD_IPSECLIFETIME + OO + NUMERIC_ARG },
606 { "rekeymargin", required_argument, NULL, CD_RKMARGIN + OO + NUMERIC_ARG },
607 { "rekeywindow", required_argument, NULL, CD_RKMARGIN + OO + NUMERIC_ARG }, /* OBSOLETE */
608 { "rekeyfuzz", required_argument, NULL, CD_RKFUZZ + OO + NUMERIC_ARG },
609 { "keyingtries", required_argument, NULL, CD_KTRIES + OO + NUMERIC_ARG },
610 { "dpdaction", required_argument, NULL, CD_DPDACTION + OO },
611 { "dpddelay", required_argument, NULL, CD_DPDDELAY + OO + NUMERIC_ARG },
612 { "dpdtimeout", required_argument, NULL, CD_DPDTIMEOUT + OO + NUMERIC_ARG },
613 { "ike", required_argument, NULL, CD_IKE + OO },
614 { "pfsgroup", required_argument, NULL, CD_PFSGROUP + OO },
615 { "esp", required_argument, NULL, CD_ESP + OO },
616
617 /* options for a ca description */
618
619 { "caname", required_argument, NULL, CA_NAME + OO },
620 { "cacert", required_argument, NULL, CA_CERT + OO },
621 { "ldaphost", required_argument, NULL, CA_LDAPHOST + OO },
622 { "ldapbase", required_argument, NULL, CA_LDAPBASE + OO },
623 { "crluri", required_argument, NULL, CA_CRLURI + OO },
624 { "crluri2", required_argument, NULL, CA_CRLURI2 + OO },
625 { "ocspuri", required_argument, NULL, CA_OCSPURI + OO },
626 { "strictcrlpolicy", no_argument, NULL, CA_STRICT + OO },
627
628 #ifdef DEBUG
629 { "debug-none", no_argument, NULL, DBGOPT_NONE + OO },
630 { "debug-all]", no_argument, NULL, DBGOPT_ALL + OO },
631 { "debug-raw", no_argument, NULL, DBGOPT_RAW + OO },
632 { "debug-crypt", no_argument, NULL, DBGOPT_CRYPT + OO },
633 { "debug-parsing", no_argument, NULL, DBGOPT_PARSING + OO },
634 { "debug-emitting", no_argument, NULL, DBGOPT_EMITTING + OO },
635 { "debug-control", no_argument, NULL, DBGOPT_CONTROL + OO },
636 { "debug-lifecycle", no_argument, NULL, DBGOPT_LIFECYCLE + OO },
637 { "debug-klips", no_argument, NULL, DBGOPT_KLIPS + OO },
638 { "debug-dns", no_argument, NULL, DBGOPT_DNS + OO },
639 { "debug-natt", no_argument, NULL, DBGOPT_NATT + OO },
640 { "debug-oppo", no_argument, NULL, DBGOPT_OPPO + OO },
641 { "debug-controlmore", no_argument, NULL, DBGOPT_CONTROLMORE + OO },
642 { "debug-private", no_argument, NULL, DBGOPT_PRIVATE + OO },
643
644 { "impair-delay-adns-key-answer", no_argument, NULL, DBGOPT_IMPAIR_DELAY_ADNS_KEY_ANSWER + OO },
645 { "impair-delay-adns-txt-answer", no_argument, NULL, DBGOPT_IMPAIR_DELAY_ADNS_TXT_ANSWER + OO },
646 { "impair-bust-mi2", no_argument, NULL, DBGOPT_IMPAIR_BUST_MI2 + OO },
647 { "impair-bust-mr2", no_argument, NULL, DBGOPT_IMPAIR_BUST_MR2 + OO },
648 #endif
649 # undef OO
650 { 0,0,0,0 }
651 };
652
653 struct sockaddr_un ctl_addr = { AF_UNIX, DEFAULT_CTLBASE CTL_SUFFIX };
654
655 /* helper variables and function to encode strings from whack message */
656
657 static char
658 *next_str,
659 *str_roof;
660
661 static bool
662 pack_str(char **p)
663 {
664 const char *s = *p == NULL? "" : *p; /* note: NULL becomes ""! */
665 size_t len = strlen(s) + 1;
666
667 if (str_roof - next_str < (ptrdiff_t)len)
668 {
669 return FALSE; /* fishy: no end found */
670 }
671 else
672 {
673 strcpy(next_str, s);
674 next_str += len;
675 *p = NULL; /* don't send pointers on the wire! */
676 return TRUE;
677 }
678 }
679
680 static void
681 check_life_time(time_t life, time_t limit, const char *which
682 , const whack_message_t *msg)
683 {
684 time_t mint = msg->sa_rekey_margin * (100 + msg->sa_rekey_fuzz) / 100;
685
686 if (life > limit)
687 {
688 char buf[200]; /* arbitrary limit */
689
690 snprintf(buf, sizeof(buf)
691 , "%s [%lu seconds] must be less than %lu seconds"
692 , which, (unsigned long)life, (unsigned long)limit);
693 diag(buf);
694 }
695 if ((msg->policy & POLICY_DONT_REKEY) == LEMPTY && life <= mint)
696 {
697 char buf[200]; /* arbitrary limit */
698
699 snprintf(buf, sizeof(buf)
700 , "%s [%lu] must be greater than"
701 " rekeymargin*(100+rekeyfuzz)/100 [%lu*(100+%lu)/100 = %lu]"
702 , which
703 , (unsigned long)life
704 , (unsigned long)msg->sa_rekey_margin
705 , (unsigned long)msg->sa_rekey_fuzz
706 , (unsigned long)mint);
707 diag(buf);
708 }
709 }
710
711 static void
712 clear_end(whack_end_t *e)
713 {
714 zero(e);
715 e->id = NULL;
716 e->cert = NULL;
717 e->ca = NULL;
718 e->updown = NULL;
719 e->host_port = IKE_UDP_PORT;
720 }
721
722 static void
723 update_ports(whack_message_t *m)
724 {
725 int port;
726
727 if (m->left.port != 0) {
728 port = htons(m->left.port);
729 setportof(port, &m->left.host_addr);
730 setportof(port, &m->left.client.addr);
731 }
732 if (m->right.port != 0) {
733 port = htons(m->right.port);
734 setportof(port, &m->right.host_addr);
735 setportof(port, &m->right.client.addr);
736 }
737 }
738
739 static void
740 check_end(whack_end_t *this, whack_end_t *that
741 , bool default_nexthop, sa_family_t caf, sa_family_t taf)
742 {
743 if (caf != addrtypeof(&this->host_addr))
744 diag("address family of host inconsistent");
745
746 if (default_nexthop)
747 {
748 if (isanyaddr(&that->host_addr))
749 diag("our nexthop must be specified when other host is a %any or %opportunistic");
750 this->host_nexthop = that->host_addr;
751 }
752
753 if (caf != addrtypeof(&this->host_nexthop))
754 diag("address family of nexthop inconsistent");
755
756 if (this->has_client)
757 {
758 if (taf != subnettypeof(&this->client))
759 diag("address family of client subnet inconsistent");
760 }
761 else
762 {
763 /* fill in anyaddr-anyaddr as (missing) client subnet */
764 ip_address cn;
765
766 diagq(anyaddr(caf, &cn), NULL);
767 diagq(rangetosubnet(&cn, &cn, &this->client), NULL);
768 }
769
770 /* fill in anyaddr if source IP is not defined */
771 if (!this->has_srcip)
772 diagq(anyaddr(caf, &this->host_srcip), optarg);
773
774 /* check protocol */
775 if (this->protocol != that->protocol)
776 diag("the protocol for leftprotoport and rightprotoport must be the same");
777 }
778
779 static void
780 get_secret(int sock)
781 {
782 const char *buf, *secret;
783 int len;
784
785 fflush(stdout);
786 usleep(20000); /* give fflush time for flushing */
787 buf = getpass("Enter: ");
788 secret = (buf == NULL)? "" : buf;
789
790 /* send the secret to pluto */
791 len = strlen(secret) + 1;
792 if (write(sock, secret, len) != len)
793 {
794 int e = errno;
795
796 fprintf(stderr, "whack: write() failed (%d %s)\n", e, strerror(e));
797 exit(RC_WHACK_PROBLEM);
798 }
799 }
800
801 /* This is a hack for initiating ISAKMP exchanges. */
802
803 int
804 main(int argc, char **argv)
805 {
806 whack_message_t msg;
807 char esp_buf[256]; /* uses snprintf */
808 lset_t
809 opts_seen = LEMPTY,
810 sc_seen = LEMPTY,
811 lst_seen = LEMPTY,
812 cd_seen = LEMPTY,
813 ca_seen = LEMPTY,
814 end_seen = LEMPTY,
815 end_seen_before_to = LEMPTY;
816 const char
817 *af_used_by = NULL,
818 *tunnel_af_used_by = NULL;
819
820 /* check division of numbering space */
821 #ifdef DEBUG
822 assert(OPTION_OFFSET + DBGOPT_LAST < NUMERIC_ARG);
823 #else
824 assert(OPTION_OFFSET + CA_LAST < NUMERIC_ARG);
825 #endif
826 assert(OPT_LAST - OPT_FIRST < (sizeof opts_seen * BITS_PER_BYTE));
827 assert(SC_LAST - SC_FIRST < (sizeof sc_seen * BITS_PER_BYTE));
828 assert(LST_LAST - LST_FIRST < (sizeof lst_seen * BITS_PER_BYTE));
829 assert(END_LAST - END_FIRST < (sizeof end_seen * BITS_PER_BYTE));
830 assert(CD_LAST - CD_FIRST < (sizeof cd_seen * BITS_PER_BYTE));
831 assert(CA_LAST - CA_FIRST < (sizeof ca_seen * BITS_PER_BYTE));
832 #ifdef DEBUG /* must be last so others are less than (sizeof cd_seen * BITS_PER_BYTE) to fit in lset_t */
833 assert(DBGOPT_LAST - DBGOPT_FIRST < (sizeof cd_seen * BITS_PER_BYTE));
834 #endif
835 /* check that POLICY bit assignment matches with CD_ */
836 assert(LELEM(CD_DONT_REKEY - CD_POLICY_FIRST) == POLICY_DONT_REKEY);
837
838 zero(&msg);
839
840 clear_end(&msg.right); /* left set from this after --to */
841
842 msg.name = NULL;
843 msg.keyid = NULL;
844 msg.keyval.ptr = NULL;
845 msg.esp = NULL;
846 msg.ike = NULL;
847 msg.pfsgroup = NULL;
848
849 /* if a connection is added via whack then we assume IKEv1 */
850 msg.ikev1 = TRUE;
851
852 msg.sa_ike_life_seconds = OAKLEY_ISAKMP_SA_LIFETIME_DEFAULT;
853 msg.sa_ipsec_life_seconds = PLUTO_SA_LIFE_DURATION_DEFAULT;
854 msg.sa_rekey_margin = SA_REPLACEMENT_MARGIN_DEFAULT;
855 msg.sa_rekey_fuzz = SA_REPLACEMENT_FUZZ_DEFAULT;
856 msg.sa_keying_tries = SA_REPLACEMENT_RETRIES_DEFAULT;
857
858 msg.addr_family = AF_INET;
859 msg.tunnel_addr_family = AF_INET;
860
861 msg.cacert = NULL;
862 msg.ldaphost = NULL;
863 msg.ldapbase = NULL;
864 msg.crluri = NULL;
865 msg.crluri2 = NULL;
866 msg.ocspuri = NULL;
867
868 for (;;)
869 {
870 int long_index;
871 unsigned long opt_whole = 0; /* numeric argument for some flags */
872
873 /* Note: we don't like the way short options get parsed
874 * by getopt_long, so we simply pass an empty string as
875 * the list. It could be "hp:d:c:o:eatfs" "NARXPECK".
876 */
877 int c = getopt_long(argc, argv, "", long_opts, &long_index) - OPTION_OFFSET;
878 int aux = 0;
879
880 /* decode a numeric argument, if expected */
881 if (0 <= c)
882 {
883 if (c & NUMERIC_ARG)
884 {
885 char *endptr;
886
887 c -= NUMERIC_ARG;
888 opt_whole = strtoul(optarg, &endptr, 0);
889
890 if (*endptr != '\0' || endptr == optarg)
891 diagq("badly formed numeric argument", optarg);
892 }
893 if (c >= (1 << AUX_SHIFT))
894 {
895 aux = c >> AUX_SHIFT;
896 c -= aux << AUX_SHIFT;
897 }
898 }
899
900 /* per-class option processing */
901 if (0 <= c && c <= OPT_LAST)
902 {
903 /* OPT_* options get added to opts_seen.
904 * Reject repeated options (unless later code intervenes).
905 */
906 lset_t f = LELEM(c);
907
908 if (opts_seen & f)
909 diagq("duplicated flag", long_opts[long_index].name);
910 opts_seen |= f;
911 }
912 else if (SC_FIRST <= c && c <= SC_LAST)
913 {
914 /* SC_* options get added to sc_seen.
915 * Reject repeated options (unless later code intervenes).
916 */
917 lset_t f = LELEM(c - SC_FIRST);
918
919 if (sc_seen & f)
920 diagq("duplicated flag", long_opts[long_index].name);
921 sc_seen |= f;
922 }
923 else if (LST_FIRST <= c && c <= LST_LAST)
924 {
925 /* LST_* options get added to lst_seen.
926 * Reject repeated options (unless later code intervenes).
927 */
928 lset_t f = LELEM(c - LST_FIRST);
929
930 if (lst_seen & f)
931 diagq("duplicated flag", long_opts[long_index].name);
932 lst_seen |= f;
933 }
934 #ifdef DEBUG
935 else if (DBGOPT_FIRST <= c && c <= DBGOPT_LAST)
936 {
937 msg.whack_options = TRUE;
938 }
939 #endif
940 else if (END_FIRST <= c && c <= END_LAST)
941 {
942 /* END_* options are added to end_seen.
943 * Reject repeated options (unless later code intervenes).
944 */
945 lset_t f = LELEM(c - END_FIRST);
946
947 if (end_seen & f)
948 diagq("duplicated flag", long_opts[long_index].name);
949 end_seen |= f;
950 opts_seen |= LELEM(OPT_CD);
951 }
952 else if (CD_FIRST <= c && c <= CD_LAST)
953 {
954 /* CD_* options are added to cd_seen.
955 * Reject repeated options (unless later code intervenes).
956 */
957 lset_t f = LELEM(c - CD_FIRST);
958
959 if (cd_seen & f)
960 diagq("duplicated flag", long_opts[long_index].name);
961 cd_seen |= f;
962 opts_seen |= LELEM(OPT_CD);
963 }
964 else if (CA_FIRST <= c && c <= CA_LAST)
965 {
966 /* CA_* options are added to ca_seen.
967 * Reject repeated options (unless later code intervenes).
968 */
969 lset_t f = LELEM(c - CA_FIRST);
970
971 if (ca_seen & f)
972 diagq("duplicated flag", long_opts[long_index].name);
973 ca_seen |= f;
974 }
975
976 /* Note: "break"ing from switch terminates loop.
977 * most cases should end with "continue".
978 */
979 switch (c)
980 {
981 case EOF - OPTION_OFFSET: /* end of flags */
982 break;
983
984 case 0 - OPTION_OFFSET: /* long option already handled */
985 continue;
986
987 case ':' - OPTION_OFFSET: /* diagnostic already printed by getopt_long */
988 case '?' - OPTION_OFFSET: /* diagnostic already printed by getopt_long */
989 diag(NULL); /* print no additional diagnostic, but exit sadly */
990 break; /* not actually reached */
991
992 case 'h' - OPTION_OFFSET: /* --help */
993 help();
994 return 0; /* GNU coding standards say to stop here */
995
996 case 'v' - OPTION_OFFSET: /* --version */
997 {
998 const char **sp = ipsec_copyright_notice();
999
1000 printf("%s\n", ipsec_version_string());
1001 for (; *sp != NULL; sp++)
1002 puts(*sp);
1003 }
1004 return 0; /* GNU coding standards say to stop here */
1005
1006 case 'l' - OPTION_OFFSET: /* --label <string> */
1007 label = optarg; /* remember for diagnostics */
1008 continue;
1009
1010 case '+' - OPTION_OFFSET: /* --optionsfrom <filename> */
1011 optionsfrom(optarg, &argc, &argv, optind, stderr);
1012 /* does not return on error */
1013 continue;
1014
1015 /* the rest of the options combine in complex ways */
1016
1017 case OPT_CTLBASE: /* --port <ctlbase> */
1018 if (snprintf(ctl_addr.sun_path, sizeof(ctl_addr.sun_path)
1019 , "%s%s", optarg, CTL_SUFFIX) == -1)
1020 diag("<ctlbase>" CTL_SUFFIX " must be fit in a sun_addr");
1021 continue;
1022
1023 case OPT_NAME: /* --name <connection-name> */
1024 name = optarg;
1025 msg.name = optarg;
1026 continue;
1027
1028 case OPT_KEYID: /* --keyid <identity> */
1029 msg.whack_key = !msg.whack_sc_op;
1030 msg.keyid = optarg; /* decoded by Pluto */
1031 continue;
1032
1033 case OPT_MYID: /* --myid <identity> */
1034 msg.whack_myid = TRUE;
1035 msg.myid = optarg; /* decoded by Pluto */
1036 continue;
1037
1038 case OPT_ADDKEY: /* --addkey */
1039 msg.whack_addkey = TRUE;
1040 continue;
1041
1042 case OPT_PUBKEYRSA: /* --pubkeyrsa <key> */
1043 {
1044 static char keyspace[RSA_MAX_ENCODING_BYTES]; /* room for 8K bit key */
1045 char diag_space[TTODATAV_BUF];
1046 const char *ugh = ttodatav(optarg, 0, 0
1047 , keyspace, sizeof(keyspace)
1048 , &msg.keyval.len, diag_space, sizeof(diag_space)
1049 , TTODATAV_SPACECOUNTS);
1050
1051 if (ugh != NULL)
1052 {
1053 char ugh_space[80]; /* perhaps enough space */
1054
1055 snprintf(ugh_space, sizeof(ugh_space)
1056 , "RSA public-key data malformed (%s)", ugh);
1057 diagq(ugh_space, optarg);
1058 }
1059 msg.pubkey_alg = PUBKEY_ALG_RSA;
1060 msg.keyval.ptr = keyspace;
1061 }
1062 continue;
1063
1064 case OPT_ROUTE: /* --route */
1065 msg.whack_route = TRUE;
1066 continue;
1067
1068 case OPT_UNROUTE: /* --unroute */
1069 msg.whack_unroute = TRUE;
1070 continue;
1071
1072 case OPT_INITIATE: /* --initiate */
1073 msg.whack_initiate = TRUE;
1074 continue;
1075
1076 case OPT_TERMINATE: /* --terminate */
1077 msg.whack_terminate = TRUE;
1078 continue;
1079
1080 case OPT_DELETE: /* --delete */
1081 msg.whack_delete = TRUE;
1082 continue;
1083
1084 case OPT_DELETESTATE: /* --deletestate <state_object_number> */
1085 msg.whack_deletestate = TRUE;
1086 msg.whack_deletestateno = opt_whole;
1087 continue;
1088
1089 case OPT_DELETECRASH: /* --crash <ip-address> */
1090 msg.whack_crash = TRUE;
1091 tunnel_af_used_by = long_opts[long_index].name;
1092 diagq(ttoaddr(optarg, 0, msg.tunnel_addr_family, &msg.whack_crash_peer), optarg);
1093 if (isanyaddr(&msg.whack_crash_peer))
1094 diagq("0.0.0.0 or 0::0 isn't a valid client address", optarg);
1095 continue;
1096
1097 case OPT_LISTEN: /* --listen */
1098 msg.whack_listen = TRUE;
1099 continue;
1100
1101 case OPT_UNLISTEN: /* --unlisten */
1102 msg.whack_unlisten = TRUE;
1103 continue;
1104
1105 case OPT_PURGEOCSP: /* --purgeocsp */
1106 msg.whack_purgeocsp = TRUE;
1107 continue;
1108
1109 case OPT_REREADSECRETS: /* --rereadsecrets */
1110 case OPT_REREADCACERTS: /* --rereadcacerts */
1111 case OPT_REREADAACERTS: /* --rereadaacerts */
1112 case OPT_REREADOCSPCERTS: /* --rereadocspcerts */
1113 case OPT_REREADACERTS: /* --rereadacerts */
1114 case OPT_REREADCRLS: /* --rereadcrls */
1115 msg.whack_reread |= LELEM(c-OPT_REREADSECRETS);
1116 continue;
1117
1118 case OPT_REREADALL: /* --rereadall */
1119 msg.whack_reread = REREAD_ALL;
1120 continue;
1121
1122 case OPT_STATUSALL: /* --statusall */
1123 msg.whack_statusall = TRUE;
1124
1125 case OPT_STATUS: /* --status */
1126 msg.whack_status = TRUE;
1127 continue;
1128
1129 case OPT_SHUTDOWN: /* --shutdown */
1130 msg.whack_shutdown = TRUE;
1131 continue;
1132
1133 case OPT_OPPO_HERE: /* --oppohere <ip-address> */
1134 tunnel_af_used_by = long_opts[long_index].name;
1135 diagq(ttoaddr(optarg, 0, msg.tunnel_addr_family, &msg.oppo_my_client), optarg);
1136 if (isanyaddr(&msg.oppo_my_client))
1137 diagq("0.0.0.0 or 0::0 isn't a valid client address", optarg);
1138 continue;
1139
1140 case OPT_OPPO_THERE: /* --oppohere <ip-address> */
1141 tunnel_af_used_by = long_opts[long_index].name;
1142 diagq(ttoaddr(optarg, 0, msg.tunnel_addr_family, &msg.oppo_peer_client), optarg);
1143 if (isanyaddr(&msg.oppo_peer_client))
1144 diagq("0.0.0.0 or 0::0 isn't a valid client address", optarg);
1145 continue;
1146
1147 case OPT_ASYNC:
1148 msg.whack_async = TRUE;
1149 continue;
1150
1151 /* Smartcard options */
1152
1153 case SC_ENCRYPT: /* --scencrypt <plaintext data> */
1154 case SC_DECRYPT: /* --scdecrypt <encrypted data> */
1155 msg.whack_sc_op = 1 + c - SC_ENCRYPT;
1156 msg.whack_key = FALSE;
1157 msg.sc_data = optarg;
1158 continue;
1159
1160 case SC_INBASE: /* --inform <format> */
1161 case SC_OUTBASE: /* --outform <format> */
1162 {
1163 int base = 0;
1164
1165 if (streq(optarg, "16") || strcaseeq(optarg, "hex"))
1166 base = 16;
1167 else if (streq(optarg, "64") || strcaseeq(optarg, "base64"))
1168 base = 64;
1169 else if (streq(optarg, "256") || strcaseeq(optarg, "text")
1170 || strcaseeq(optarg, "ascii"))
1171 base = 256;
1172 else
1173 diagq("not a valid base", optarg);
1174
1175 if (c == SC_INBASE)
1176 msg.inbase = base;
1177 else
1178 msg.outbase = base;
1179 }
1180 continue;
1181
1182 /* List options */
1183
1184 case LST_UTC: /* --utc */
1185 msg.whack_utc = TRUE;
1186 continue;
1187
1188 case LST_ALGS: /* --listalgs */
1189 case LST_PUBKEYS: /* --listpubkeys */
1190 case LST_CERTS: /* --listcerts */
1191 case LST_CACERTS: /* --listcacerts */
1192 case LST_ACERTS: /* --listacerts */
1193 case LST_AACERTS: /* --listaacerts */
1194 case LST_OCSPCERTS: /* --listocspcerts */
1195 case LST_GROUPS: /* --listgroups */
1196 case LST_CAINFOS: /* --listcainfos */
1197 case LST_CRLS: /* --listcrls */
1198 case LST_OCSP: /* --listocsp */
1199 case LST_CARDS: /* --listcards */
1200 msg.whack_list |= LELEM(c - LST_ALGS);
1201 continue;
1202
1203 case LST_ALL: /* --listall */
1204 msg.whack_list = LIST_ALL;
1205 continue;
1206
1207 /* Connection Description options */
1208
1209 case END_HOST: /* --host <ip-address> */
1210 {
1211 lset_t new_policy = LEMPTY;
1212
1213 af_used_by = long_opts[long_index].name;
1214 diagq(anyaddr(msg.addr_family, &msg.right.host_addr), optarg);
1215 if (streq(optarg, "%any"))
1216 {
1217 }
1218 else if (streq(optarg, "%opportunistic"))
1219 {
1220 /* always use tunnel mode; mark as opportunistic */
1221 new_policy |= POLICY_TUNNEL | POLICY_OPPO;
1222 }
1223 else if (streq(optarg, "%group"))
1224 {
1225 /* always use tunnel mode; mark as group */
1226 new_policy |= POLICY_TUNNEL | POLICY_GROUP;
1227 }
1228 else if (streq(optarg, "%opportunisticgroup"))
1229 {
1230 /* always use tunnel mode; mark as opportunistic */
1231 new_policy |= POLICY_TUNNEL | POLICY_OPPO | POLICY_GROUP;
1232 }
1233 else
1234 {
1235 diagq(ttoaddr(optarg, 0, msg.addr_family
1236 , &msg.right.host_addr), optarg);
1237 }
1238
1239 msg.policy |= new_policy;
1240
1241 if (new_policy & (POLICY_OPPO | POLICY_GROUP))
1242 {
1243 if (!LHAS(end_seen, END_CLIENT - END_FIRST))
1244 {
1245 /* set host to 0.0.0 and --client to 0.0.0.0/0
1246 * or IPV6 equivalent
1247 */
1248 ip_address any;
1249
1250 tunnel_af_used_by = optarg;
1251 diagq(anyaddr(msg.tunnel_addr_family, &any), optarg);
1252 diagq(initsubnet(&any, 0, '0', &msg.right.client), optarg);
1253 }
1254 msg.right.has_client = TRUE;
1255 }
1256 if (new_policy & POLICY_GROUP)
1257 {
1258 /* client subnet must not be specified by user:
1259 * it will come from the group's file.
1260 */
1261 if (LHAS(end_seen, END_CLIENT - END_FIRST))
1262 diag("--host %group clashes with --client");
1263
1264 end_seen |= LELEM(END_CLIENT - END_FIRST);
1265 }
1266 if (new_policy & POLICY_OPPO)
1267 msg.right.key_from_DNS_on_demand = TRUE;
1268 continue;
1269 }
1270 case END_ID: /* --id <identity> */
1271 msg.right.id = optarg; /* decoded by Pluto */
1272 continue;
1273
1274 case END_CERT: /* --cert <path> */
1275 msg.right.cert = optarg; /* decoded by Pluto */
1276 continue;
1277
1278 case END_CA: /* --ca <distinguished name> */
1279 msg.right.ca = optarg; /* decoded by Pluto */
1280 continue;
1281
1282 case END_SENDCERT:
1283 if (streq(optarg, "yes") || streq(optarg, "always"))
1284 {
1285 msg.right.sendcert = CERT_ALWAYS_SEND;
1286 }
1287 else if (streq(optarg, "no") || streq(optarg, "never"))
1288 {
1289 msg.right.sendcert = CERT_NEVER_SEND;
1290 }
1291 else if (streq(optarg, "ifasked"))
1292 {
1293 msg.right.sendcert = CERT_SEND_IF_ASKED;
1294 }
1295 else
1296 {
1297 diagq("whack sendcert value is not legal", optarg);
1298 }
1299 continue;
1300
1301 case END_GROUPS:/* --groups <access control groups> */
1302 msg.right.groups = optarg; /* decoded by Pluto */
1303 continue;
1304
1305 case END_IKEPORT: /* --ikeport <port-number> */
1306 if (opt_whole<=0 || opt_whole >= 0x10000)
1307 diagq("<port-number> must be a number between 1 and 65535", optarg);
1308 msg.right.host_port = opt_whole;
1309 continue;
1310
1311 case END_NEXTHOP: /* --nexthop <ip-address> */
1312 af_used_by = long_opts[long_index].name;
1313 if (streq(optarg, "%direct"))
1314 diagq(anyaddr(msg.addr_family
1315 , &msg.right.host_nexthop), optarg);
1316 else
1317 diagq(ttoaddr(optarg, 0, msg.addr_family
1318 , &msg.right.host_nexthop), optarg);
1319 continue;
1320
1321 case END_SRCIP: /* --srcip <ip-address> */
1322 af_used_by = long_opts[long_index].name;
1323 if (streq(optarg, "%modeconfig") || streq(optarg, "%modecfg"))
1324 {
1325 msg.right.modecfg = TRUE;
1326 }
1327 else
1328 {
1329 diagq(ttoaddr(optarg, 0, msg.addr_family
1330 , &msg.right.host_srcip), optarg);
1331 msg.right.has_srcip = TRUE;
1332 }
1333 msg.policy |= POLICY_TUNNEL; /* srcip => tunnel */
1334 continue;
1335
1336 case END_CLIENT: /* --client <subnet> */
1337 if (end_seen & LELEM(END_CLIENTWITHIN - END_FIRST))
1338 diag("--client conflicts with --clientwithin");
1339 tunnel_af_used_by = long_opts[long_index].name;
1340 if ((strlen(optarg) >= 6 && strncmp(optarg,"vhost:",6) == 0)
1341 || (strlen(optarg) >= 5 && strncmp(optarg,"vnet:",5) == 0))
1342 {
1343 msg.right.virt = optarg;
1344 }
1345 else
1346 {
1347 diagq(ttosubnet(optarg, 0, msg.tunnel_addr_family, &msg.right.client), optarg);
1348 msg.right.has_client = TRUE;
1349 }
1350 msg.policy |= POLICY_TUNNEL; /* client => tunnel */
1351 continue;
1352
1353 case END_CLIENTWITHIN: /* --clienwithin <address range> */
1354 if (end_seen & LELEM(END_CLIENT - END_FIRST))
1355 diag("--clientwithin conflicts with --client");
1356 tunnel_af_used_by = long_opts[long_index].name;
1357 diagq(ttosubnet(optarg, 0, msg.tunnel_addr_family, &msg.right.client), optarg);
1358 msg.right.has_client = TRUE;
1359 msg.policy |= POLICY_TUNNEL; /* client => tunnel */
1360 msg.right.has_client_wildcard = TRUE;
1361 continue;
1362
1363 case END_CLIENTPROTOPORT: /* --clientprotoport <protocol>/<port> */
1364 diagq(ttoprotoport(optarg, 0, &msg.right.protocol, &msg.right.port
1365 , &msg.right.has_port_wildcard), optarg);
1366 continue;
1367
1368 case END_DNSKEYONDEMAND: /* --dnskeyondemand */
1369 msg.right.key_from_DNS_on_demand = TRUE;
1370 continue;
1371
1372 case END_HOSTACCESS: /* --hostaccess */
1373 msg.right.hostaccess = TRUE;
1374 continue;
1375
1376 case END_UPDOWN: /* --updown <updown> */
1377 msg.right.updown = optarg;
1378 continue;
1379
1380 case CD_TO: /* --to */
1381 /* process right end, move it to left, reset it */
1382 if (!LHAS(end_seen, END_HOST - END_FIRST))
1383 diag("connection missing --host before --to");
1384 msg.left = msg.right;
1385 clear_end(&msg.right);
1386 end_seen_before_to = end_seen;
1387 end_seen = LEMPTY;
1388 continue;
1389
1390 case CD_PSK: /* --psk */
1391 case CD_RSASIG: /* --rsasig */
1392 case CD_ENCRYPT: /* --encrypt */
1393 case CD_AUTHENTICATE: /* --authenticate */
1394 case CD_COMPRESS: /* --compress */
1395 case CD_TUNNEL: /* --tunnel */
1396 case CD_PFS: /* --pfs */
1397 case CD_DISABLEARRIVALCHECK: /* --disablearrivalcheck */
1398 case CD_DONT_REKEY: /* --donotrekey */
1399 msg.policy |= LELEM(c - CD_POLICY_FIRST);
1400 continue;
1401
1402 /* --initiateontraffic
1403 * --pass
1404 * --drop
1405 * --reject
1406 */
1407 case CD_SHUNT0:
1408 msg.policy = (msg.policy & ~POLICY_SHUNT_MASK)
1409 | ((lset_t)aux << POLICY_SHUNT_SHIFT);
1410 continue;
1411
1412 /* --failnone
1413 * --failpass
1414 * --faildrop
1415 * --failreject
1416 */
1417 case CD_FAIL0:
1418 msg.policy = (msg.policy & ~POLICY_FAIL_MASK)
1419 | ((lset_t)aux << POLICY_FAIL_SHIFT);
1420 continue;
1421
1422 case CD_IKELIFETIME: /* --ikelifetime <seconds> */
1423 msg.sa_ike_life_seconds = opt_whole;
1424 continue;
1425
1426 case CD_IPSECLIFETIME: /* --ipseclifetime <seconds> */
1427 msg.sa_ipsec_life_seconds = opt_whole;
1428 continue;
1429
1430 case CD_RKMARGIN: /* --rekeymargin <seconds> */
1431 msg.sa_rekey_margin = opt_whole;
1432 continue;
1433
1434 case CD_RKFUZZ: /* --rekeyfuzz <percentage> */
1435 msg.sa_rekey_fuzz = opt_whole;
1436 continue;
1437
1438 case CD_KTRIES: /* --keyingtries <count> */
1439 msg.sa_keying_tries = opt_whole;
1440 continue;
1441
1442 case CD_DPDACTION:
1443 if (streq(optarg, "none"))
1444 msg.dpd_action = DPD_ACTION_NONE;
1445 else if (streq(optarg, "clear"))
1446 msg.dpd_action = DPD_ACTION_CLEAR;
1447 else if (streq(optarg, "hold"))
1448 msg.dpd_action = DPD_ACTION_HOLD;
1449 else if (streq(optarg, "restart"))
1450 msg.dpd_action = DPD_ACTION_RESTART;
1451 else
1452 msg.dpd_action = DPD_ACTION_UNKNOWN;
1453 continue;
1454
1455 case CD_DPDDELAY:
1456 msg.dpd_delay = opt_whole;
1457 continue;
1458
1459 case CD_DPDTIMEOUT:
1460 msg.dpd_timeout = opt_whole;
1461 continue;
1462
1463 case CD_IKE: /* --ike <ike_alg1,ike_alg2,...> */
1464 msg.ike = optarg;
1465 continue;
1466
1467 case CD_PFSGROUP: /* --pfsgroup modpXXXX */
1468 msg.pfsgroup = optarg;
1469 continue;
1470
1471 case CD_ESP: /* --esp <esp_alg1,esp_alg2,...> */
1472 msg.esp = optarg;
1473 continue;
1474
1475 case CD_CONNIPV4:
1476 if (LHAS(cd_seen, CD_CONNIPV6 - CD_FIRST))
1477 diag("--ipv4 conflicts with --ipv6");
1478
1479 /* Since this is the default, the flag is redundant.
1480 * So we don't need to set msg.addr_family
1481 * and we don't need to check af_used_by
1482 * and we don't have to consider defaulting tunnel_addr_family.
1483 */
1484 continue;
1485
1486 case CD_CONNIPV6:
1487 if (LHAS(cd_seen, CD_CONNIPV4 - CD_FIRST))
1488 diag("--ipv6 conflicts with --ipv4");
1489
1490 if (af_used_by != NULL)
1491 diagq("--ipv6 must precede", af_used_by);
1492
1493 af_used_by = long_opts[long_index].name;
1494 msg.addr_family = AF_INET6;
1495
1496 /* Consider defaulting tunnel_addr_family to AF_INET6.
1497 * Do so only if it hasn't yet been specified or used.
1498 */
1499 if (LDISJOINT(cd_seen, LELEM(CD_TUNNELIPV4 - CD_FIRST) | LELEM(CD_TUNNELIPV6 - CD_FIRST))
1500 && tunnel_af_used_by == NULL)
1501 msg.tunnel_addr_family = AF_INET6;
1502 continue;
1503
1504 case CD_TUNNELIPV4:
1505 if (LHAS(cd_seen, CD_TUNNELIPV6 - CD_FIRST))
1506 diag("--tunnelipv4 conflicts with --tunnelipv6");
1507
1508 if (tunnel_af_used_by != NULL)
1509 diagq("--tunnelipv4 must precede", af_used_by);
1510
1511 msg.tunnel_addr_family = AF_INET;
1512 continue;
1513
1514 case CD_TUNNELIPV6:
1515 if (LHAS(cd_seen, CD_TUNNELIPV4 - CD_FIRST))
1516 diag("--tunnelipv6 conflicts with --tunnelipv4");
1517
1518 if (tunnel_af_used_by != NULL)
1519 diagq("--tunnelipv6 must precede", af_used_by);
1520
1521 msg.tunnel_addr_family = AF_INET6;
1522 continue;
1523
1524 case CA_NAME: /* --caname <name> */
1525 msg.name = optarg;
1526 msg.whack_ca = TRUE;
1527 continue;
1528 case CA_CERT: /* --cacert <path> */
1529 msg.cacert = optarg;
1530 continue;
1531 case CA_LDAPHOST: /* --ldaphost <hostname> */
1532 msg.ldaphost = optarg;
1533 continue;
1534 case CA_LDAPBASE: /* --ldapbase <base> */
1535 msg.ldapbase = optarg;
1536 continue;
1537 case CA_CRLURI: /* --crluri <uri> */
1538 msg.crluri = optarg;
1539 continue;
1540 case CA_CRLURI2: /* --crluri2 <uri> */
1541 msg.crluri2 = optarg;
1542 continue;
1543 case CA_OCSPURI: /* --ocspuri <uri> */
1544 msg.ocspuri = optarg;
1545 continue;
1546 case CA_STRICT: /* --strictcrlpolicy */
1547 msg.whack_strict = TRUE;
1548 continue;
1549
1550 #ifdef DEBUG
1551 case DBGOPT_NONE: /* --debug-none */
1552 msg.debugging = DBG_NONE;
1553 continue;
1554
1555 case DBGOPT_ALL: /* --debug-all */
1556 msg.debugging |= DBG_ALL; /* note: does not include PRIVATE */
1557 continue;
1558
1559 case DBGOPT_RAW: /* --debug-raw */
1560 case DBGOPT_CRYPT: /* --debug-crypt */
1561 case DBGOPT_PARSING: /* --debug-parsing */
1562 case DBGOPT_EMITTING: /* --debug-emitting */
1563 case DBGOPT_CONTROL: /* --debug-control */
1564 case DBGOPT_LIFECYCLE: /* --debug-lifecycle */
1565 case DBGOPT_KLIPS: /* --debug-klips */
1566 case DBGOPT_DNS: /* --debug-dns */
1567 case DBGOPT_NATT: /* --debug-natt */
1568 case DBGOPT_OPPO: /* --debug-oppo */
1569 case DBGOPT_CONTROLMORE: /* --debug-controlmore */
1570 case DBGOPT_PRIVATE: /* --debug-private */
1571 case DBGOPT_IMPAIR_DELAY_ADNS_KEY_ANSWER: /* --impair-delay-adns-key-answer */
1572 case DBGOPT_IMPAIR_DELAY_ADNS_TXT_ANSWER: /* --impair-delay-adns-txt-answer */
1573 case DBGOPT_IMPAIR_BUST_MI2: /* --impair_bust_mi2 */
1574 case DBGOPT_IMPAIR_BUST_MR2: /* --impair_bust_mr2 */
1575 msg.debugging |= LELEM(c-DBGOPT_RAW);
1576 continue;
1577 #endif
1578 default:
1579 assert(FALSE); /* unknown return value */
1580 }
1581 break;
1582 }
1583
1584 if (optind != argc)
1585 {
1586 /* If you see this message unexpectedly, perhaps the
1587 * case for the previous option ended with "break"
1588 * instead of "continue"
1589 */
1590 diagq("unexpected argument", argv[optind]);
1591 }
1592
1593 /* For each possible form of the command, figure out if an argument
1594 * suggests whether that form was intended, and if so, whether all
1595 * required information was supplied.
1596 */
1597
1598 /* check opportunistic initiation simulation request */
1599 switch (opts_seen & (LELEM(OPT_OPPO_HERE) | LELEM(OPT_OPPO_THERE)))
1600 {
1601 case LELEM(OPT_OPPO_HERE):
1602 case LELEM(OPT_OPPO_THERE):
1603 diag("--oppohere and --oppothere must be used together");
1604 /*NOTREACHED*/
1605 case LELEM(OPT_OPPO_HERE) | LELEM(OPT_OPPO_THERE):
1606 msg.whack_oppo_initiate = TRUE;
1607 if (LIN(cd_seen, LELEM(CD_TUNNELIPV4 - CD_FIRST) | LELEM(CD_TUNNELIPV6 - CD_FIRST)))
1608 opts_seen &= ~LELEM(OPT_CD);
1609 break;
1610 }
1611
1612 /* check connection description */
1613 if (LHAS(opts_seen, OPT_CD))
1614 {
1615 if (!LHAS(cd_seen, CD_TO-CD_FIRST))
1616 diag("connection description option, but no --to");
1617
1618 if (!LHAS(end_seen, END_HOST-END_FIRST))
1619 diag("connection missing --host after --to");
1620
1621 if (isanyaddr(&msg.left.host_addr)
1622 && isanyaddr(&msg.right.host_addr))
1623 diag("hosts cannot both be 0.0.0.0 or 0::0");
1624
1625 if (msg.policy & POLICY_OPPO)
1626 {
1627 if ((msg.policy & (POLICY_PSK | POLICY_RSASIG)) != POLICY_RSASIG)
1628 diag("only RSASIG is supported for opportunism");
1629 if ((msg.policy & POLICY_PFS) == 0)
1630 diag("PFS required for opportunism");
1631 if ((msg.policy & POLICY_ENCRYPT) == 0)
1632 diag("encryption required for opportunism");
1633 }
1634
1635 check_end(&msg.left, &msg.right, !LHAS(end_seen_before_to, END_NEXTHOP-END_FIRST)
1636 , msg.addr_family, msg.tunnel_addr_family);
1637
1638 check_end(&msg.right, &msg.left, !LHAS(end_seen, END_NEXTHOP-END_FIRST)
1639 , msg.addr_family, msg.tunnel_addr_family);
1640
1641 if (subnettypeof(&msg.left.client) != subnettypeof(&msg.right.client))
1642 diag("endpoints clash: one is IPv4 and the other is IPv6");
1643
1644 if (NEVER_NEGOTIATE(msg.policy))
1645 {
1646 /* we think this is just a shunt (because he didn't specify
1647 * a host authentication method). If he didn't specify a
1648 * shunt type, he's probably gotten it wrong.
1649 */
1650 if ((msg.policy & POLICY_SHUNT_MASK) == POLICY_SHUNT_TRAP)
1651 diag("non-shunt connection must have --psk or --rsasig or both");
1652 }
1653 else
1654 {
1655 /* not just a shunt: a real ipsec connection */
1656 if ((msg.policy & POLICY_ID_AUTH_MASK) == LEMPTY)
1657 diag("must specify --rsasig or --psk for a connection");
1658
1659 if (!HAS_IPSEC_POLICY(msg.policy)
1660 && (msg.left.has_client || msg.right.has_client))
1661 diag("must not specify clients for ISAKMP-only connection");
1662 }
1663
1664 msg.whack_connection = TRUE;
1665 }
1666
1667 /* decide whether --name is mandatory or forbidden */
1668 if (!LDISJOINT(opts_seen
1669 , LELEM(OPT_ROUTE) | LELEM(OPT_UNROUTE)
1670 | LELEM(OPT_INITIATE) | LELEM(OPT_TERMINATE)
1671 | LELEM(OPT_DELETE) | LELEM(OPT_CD)))
1672 {
1673 if (!LHAS(opts_seen, OPT_NAME) && !msg.whack_ca)
1674 diag("missing --name <connection_name>");
1675 }
1676 else if (!msg.whack_options && !msg.whack_status)
1677 {
1678 if (LHAS(opts_seen, OPT_NAME))
1679 diag("no reason for --name");
1680 }
1681
1682 if (!LDISJOINT(opts_seen, LELEM(OPT_PUBKEYRSA) | LELEM(OPT_ADDKEY)))
1683 {
1684 if (!LHAS(opts_seen, OPT_KEYID))
1685 diag("--addkey and --pubkeyrsa require --keyid");
1686 }
1687
1688 if (!(msg.whack_connection || msg.whack_key || msg.whack_myid
1689 || msg.whack_delete || msg.whack_deletestate
1690 || msg.whack_initiate || msg.whack_oppo_initiate || msg.whack_terminate
1691 || msg.whack_route || msg.whack_unroute || msg.whack_listen
1692 || msg.whack_unlisten || msg.whack_list || msg.whack_purgeocsp || msg.whack_reread
1693 || msg.whack_ca || msg.whack_status || msg.whack_options || msg.whack_shutdown
1694 || msg.whack_sc_op))
1695 {
1696 diag("no action specified; try --help for hints");
1697 }
1698
1699 update_ports(&msg);
1700
1701 /* tricky quick and dirty check for wild values */
1702 if (msg.sa_rekey_margin != 0
1703 && msg.sa_rekey_fuzz * msg.sa_rekey_margin * 4 / msg.sa_rekey_margin / 4
1704 != msg.sa_rekey_fuzz)
1705 diag("rekeymargin or rekeyfuzz values are so large that they cause oveflow");
1706
1707 check_life_time (msg.sa_ike_life_seconds, OAKLEY_ISAKMP_SA_LIFETIME_MAXIMUM
1708 , "ikelifetime", &msg);
1709
1710 check_life_time(msg.sa_ipsec_life_seconds, SA_LIFE_DURATION_MAXIMUM
1711 , "ipseclifetime", &msg);
1712
1713 if (msg.dpd_action == DPD_ACTION_UNKNOWN)
1714 diag("dpdaction must be \"none\", \"clear\", \"hold\" or \"restart\"");
1715
1716 if (msg.dpd_action != DPD_ACTION_NONE)
1717 {
1718 if (msg.dpd_delay <= 0)
1719 diag("dpddelay must be larger than zero");
1720
1721 if (msg.dpd_timeout <= 0)
1722 diag("dpdtimeout must be larger than zero");
1723
1724 if (msg.dpd_timeout <= msg.dpd_delay)
1725 diag("dpdtimeout must be larger than dpddelay");
1726 }
1727
1728 /* pack strings for inclusion in message */
1729 next_str = msg.string;
1730 str_roof = &msg.string[sizeof(msg.string)];
1731
1732 /* build esp message as esp="<esp>;<pfsgroup>" */
1733 if (msg.pfsgroup) {
1734 snprintf(esp_buf, sizeof (esp_buf), "%s;%s",
1735 msg.esp ? msg.esp : "",
1736 msg.pfsgroup ? msg.pfsgroup : "");
1737 msg.esp=esp_buf;
1738 }
1739 if (!pack_str(&msg.name) /* string 1 */
1740 || !pack_str(&msg.left.id) /* string 2 */
1741 || !pack_str(&msg.left.cert) /* string 3 */
1742 || !pack_str(&msg.left.ca) /* string 4 */
1743 || !pack_str(&msg.left.groups) /* string 5 */
1744 || !pack_str(&msg.left.updown) /* string 6 */
1745 || !pack_str(&msg.left.virt) /* string 7 */
1746 || !pack_str(&msg.right.id) /* string 8 */
1747 || !pack_str(&msg.right.cert) /* string 9 */
1748 || !pack_str(&msg.right.ca) /* string 10 */
1749 || !pack_str(&msg.right.groups) /* string 11 */
1750 || !pack_str(&msg.right.updown) /* string 12 */
1751 || !pack_str(&msg.right.virt) /* string 13 */
1752 || !pack_str(&msg.keyid) /* string 14 */
1753 || !pack_str(&msg.myid) /* string 15 */
1754 || !pack_str(&msg.cacert) /* string 16 */
1755 || !pack_str(&msg.ldaphost) /* string 17 */
1756 || !pack_str(&msg.ldapbase) /* string 18 */
1757 || !pack_str(&msg.crluri) /* string 19 */
1758 || !pack_str(&msg.crluri2) /* string 20 */
1759 || !pack_str(&msg.ocspuri) /* string 21 */
1760 || !pack_str(&msg.ike) /* string 22 */
1761 || !pack_str(&msg.esp) /* string 23 */
1762 || !pack_str(&msg.sc_data) /* string 24 */
1763 || str_roof - next_str < (ptrdiff_t)msg.keyval.len) /* chunk (sort of string 5) */
1764 diag("too many bytes of strings to fit in message to pluto");
1765
1766 memcpy(next_str, msg.keyval.ptr, msg.keyval.len);
1767 msg.keyval.ptr = NULL;
1768 next_str += msg.keyval.len;
1769
1770 msg.magic = ((opts_seen & ~LELEM(OPT_SHUTDOWN))
1771 | sc_seen | lst_seen | cd_seen | ca_seen) != LEMPTY
1772 || msg.whack_options
1773 ? WHACK_MAGIC : WHACK_BASIC_MAGIC;
1774
1775 /* send message to Pluto */
1776 if (access(ctl_addr.sun_path, R_OK | W_OK) < 0)
1777 {
1778 int e = errno;
1779
1780 switch (e)
1781 {
1782 case EACCES:
1783 fprintf(stderr, "whack: no right to communicate with pluto (access(\"%s\"))\n"
1784 , ctl_addr.sun_path);
1785 break;
1786 case ENOENT:
1787 fprintf(stderr, "whack: Pluto is not running (no \"%s\")\n"
1788 , ctl_addr.sun_path);
1789 break;
1790 default:
1791 fprintf(stderr, "whack: access(\"%s\") failed with %d %s\n"
1792 , ctl_addr.sun_path, errno, strerror(e));
1793 break;
1794 }
1795 exit(RC_WHACK_PROBLEM);
1796 }
1797 else
1798 {
1799 int sock = socket(AF_UNIX, SOCK_STREAM, 0);
1800 int exit_status = 0;
1801 ssize_t len = next_str - (char *)&msg;
1802
1803 if (sock == -1)
1804 {
1805 int e = errno;
1806
1807 fprintf(stderr, "whack: socket() failed (%d %s)\n", e, strerror(e));
1808 exit(RC_WHACK_PROBLEM);
1809 }
1810
1811 if (connect(sock, (struct sockaddr *)&ctl_addr
1812 , offsetof(struct sockaddr_un, sun_path) + strlen(ctl_addr.sun_path)) < 0)
1813 {
1814 int e = errno;
1815
1816 fprintf(stderr, "whack:%s connect() for \"%s\" failed (%d %s)\n"
1817 , e == ECONNREFUSED? " is Pluto running? " : ""
1818 , ctl_addr.sun_path, e, strerror(e));
1819 exit(RC_WHACK_PROBLEM);
1820 }
1821
1822 if (write(sock, &msg, len) != len)
1823 {
1824 int e = errno;
1825
1826 fprintf(stderr, "whack: write() failed (%d %s)\n", e, strerror(e));
1827 exit(RC_WHACK_PROBLEM);
1828 }
1829
1830 /* for now, just copy reply back to stdout */
1831
1832 {
1833 char buf[4097]; /* arbitrary limit on log line length */
1834 char *be = buf;
1835
1836 for (;;)
1837 {
1838 char *ls = buf;
1839 ssize_t rl = read(sock, be, (buf + sizeof(buf)-1) - be);
1840
1841 if (rl < 0)
1842 {
1843 int e = errno;
1844
1845 fprintf(stderr, "whack: read() failed (%d %s)\n", e, strerror(e));
1846 exit(RC_WHACK_PROBLEM);
1847 }
1848 if (rl == 0)
1849 {
1850 if (be != buf)
1851 fprintf(stderr, "whack: last line from pluto too long or unterminated\n");
1852 break;
1853 }
1854
1855 be += rl;
1856 *be = '\0';
1857
1858 for (;;)
1859 {
1860 char *le = strchr(ls, '\n');
1861
1862 if (le == NULL)
1863 {
1864 /* move last, partial line to start of buffer */
1865 memmove(buf, ls, be-ls);
1866 be -= ls - buf;
1867 break;
1868 }
1869
1870 le++; /* include NL in line */
1871 write(1, ls, le - ls);
1872
1873 /* figure out prefix number
1874 * and how it should affect our exit status
1875 */
1876 {
1877 unsigned long s = strtoul(ls, NULL, 10);
1878
1879 switch (s)
1880 {
1881 case RC_COMMENT:
1882 case RC_LOG:
1883 /* ignore */
1884 break;
1885 case RC_SUCCESS:
1886 /* be happy */
1887 exit_status = 0;
1888 break;
1889 case RC_ENTERSECRET:
1890 get_secret(sock);
1891 break;
1892 /* case RC_LOG_SERIOUS: */
1893 default:
1894 /* pass through */
1895 exit_status = s;
1896 break;
1897 }
1898 }
1899 ls = le;
1900 }
1901 }
1902 }
1903 return exit_status;
1904 }
1905 }
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