/* [<][>][^][v][top][bottom][index][help] */
DEFINITIONS
This source file includes following definitions.
- usage
- get_server
- do_524init
- renew_validate
- store_ntlmkey
- get_new_tickets
- ticket_lifetime
- renew_func
- main
1 /*
2 * Copyright (c) 1997-2007 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34 #include "kuser_locl.h"
35 RCSID("$Id$");
36
37 #include "krb5-v4compat.h"
38
39 #include "heimntlm.h"
40
41 int forwardable_flag = -1;
42 int proxiable_flag = -1;
43 int renewable_flag = -1;
44 int renew_flag = 0;
45 int pac_flag = -1;
46 int validate_flag = 0;
47 int version_flag = 0;
48 int help_flag = 0;
49 int addrs_flag = -1;
50 struct getarg_strings extra_addresses;
51 int anonymous_flag = 0;
52 char *lifetime = NULL;
53 char *renew_life = NULL;
54 char *server_str = NULL;
55 char *cred_cache = NULL;
56 char *start_str = NULL;
57 struct getarg_strings etype_str;
58 int use_keytab = 0;
59 char *keytab_str = NULL;
60 int do_afslog = -1;
61 #ifndef HEIMDAL_SMALLER
62 int get_v4_tgt = -1;
63 int convert_524 = 0;
64 static char *krb4_cc_name;
65 #endif
66 int fcache_version;
67 char *password_file = NULL;
68 char *pk_user_id = NULL;
69 char *pk_x509_anchors = NULL;
70 int pk_use_enckey = 0;
71 static int canonicalize_flag = 0;
72 static int ok_as_delegate_flag = 0;
73 static int use_referrals_flag = 0;
74 static int windows_flag = 0;
75 static char *ntlm_domain;
76
77
78 static struct getargs args[] = {
79 /*
80 * used by MIT
81 * a: ~A
82 * V: verbose
83 * F: ~f
84 * P: ~p
85 * C: v4 cache name?
86 * 5:
87 */
88 #ifndef HEIMDAL_SMALLER
89 { "524init", '4', arg_flag, &get_v4_tgt,
90 NP_("obtain version 4 TGT", "") },
91
92 { "524convert", '9', arg_flag, &convert_524,
93 NP_("only convert ticket to version 4", "") },
94 #endif
95 { "afslog", 0 , arg_flag, &do_afslog,
96 NP_("obtain afs tokens", "") },
97
98 { "cache", 'c', arg_string, &cred_cache,
99 NP_("credentials cache", ""), "cachename" },
100
101 { "forwardable", 'f', arg_flag, &forwardable_flag,
102 NP_("get forwardable tickets", "")},
103
104 { "keytab", 't', arg_string, &keytab_str,
105 NP_("keytab to use", ""), "keytabname" },
106
107 { "lifetime", 'l', arg_string, &lifetime,
108 NP_("lifetime of tickets", ""), "time"},
109
110 { "proxiable", 'p', arg_flag, &proxiable_flag,
111 NP_("get proxiable tickets", "") },
112
113 { "renew", 'R', arg_flag, &renew_flag,
114 NP_("renew TGT", "") },
115
116 { "renewable", 0, arg_flag, &renewable_flag,
117 NP_("get renewable tickets", "") },
118
119 { "renewable-life", 'r', arg_string, &renew_life,
120 NP_("renewable lifetime of tickets", ""), "time" },
121
122 { "server", 'S', arg_string, &server_str,
123 NP_("server to get ticket for", ""), "principal" },
124
125 { "start-time", 's', arg_string, &start_str,
126 NP_("when ticket gets valid", ""), "time" },
127
128 { "use-keytab", 'k', arg_flag, &use_keytab,
129 NP_("get key from keytab", "") },
130
131 { "validate", 'v', arg_flag, &validate_flag,
132 NP_("validate TGT", "") },
133
134 { "enctypes", 'e', arg_strings, &etype_str,
135 NP_("encryption types to use", ""), "enctypes" },
136
137 { "fcache-version", 0, arg_integer, &fcache_version,
138 NP_("file cache version to create", "") },
139
140 { "addresses", 'A', arg_negative_flag, &addrs_flag,
141 NP_("request a ticket with no addresses", "") },
142
143 { "extra-addresses",'a', arg_strings, &extra_addresses,
144 NP_("include these extra addresses", ""), "addresses" },
145
146 { "anonymous", 0, arg_flag, &anonymous_flag,
147 NP_("request an anonymous ticket", "") },
148
149 { "request-pac", 0, arg_flag, &pac_flag,
150 NP_("request a Windows PAC", "") },
151
152 { "password-file", 0, arg_string, &password_file,
153 NP_("read the password from a file", "") },
154
155 { "canonicalize",0, arg_flag, &canonicalize_flag,
156 NP_("canonicalize client principal", "") },
157 #ifdef PKINIT
158 { "pk-user", 'C', arg_string, &pk_user_id,
159 NP_("principal's public/private/certificate identifier", ""), "id" },
160
161 { "x509-anchors", 'D', arg_string, &pk_x509_anchors,
162 NP_("directory with CA certificates", ""), "directory" },
163
164 { "pk-use-enckey", 0, arg_flag, &pk_use_enckey,
165 NP_("Use RSA encrypted reply (instead of DH)", "") },
166 #endif
167 { "ntlm-domain", 0, arg_string, &ntlm_domain,
168 NP_("NTLM domain", ""), "domain" },
169
170 { "ok-as-delegate", 0, arg_flag, &ok_as_delegate_flag,
171 NP_("honor ok-as-delegate on tickets", "") },
172
173 { "use-referrals", 0, arg_flag, &use_referrals_flag,
174 NP_("only use referrals, no dns canalisation", "") },
175
176 { "windows", 0, arg_flag, &windows_flag,
177 NP_("get windows behavior", "") },
178
179 { "version", 0, arg_flag, &version_flag },
180 { "help", 0, arg_flag, &help_flag }
181 };
182
183 static void
184 usage (int ret)
/* [<][>][^][v][top][bottom][index][help] */
185 {
186 arg_printusage_i18n (args,
187 sizeof(args)/sizeof(*args),
188 N_("Usage: ", ""),
189 NULL,
190 "[principal [command]]",
191 getarg_i18n);
192 exit (ret);
193 }
194
195 static krb5_error_code
196 get_server(krb5_context context,
/* [<][>][^][v][top][bottom][index][help] */
197 krb5_principal client,
198 const char *server,
199 krb5_principal *princ)
200 {
201 krb5_realm *client_realm;
202 if(server)
203 return krb5_parse_name(context, server, princ);
204
205 client_realm = krb5_princ_realm (context, client);
206 return krb5_make_principal(context, princ, *client_realm,
207 KRB5_TGS_NAME, *client_realm, NULL);
208 }
209
210 #ifndef HEIMDAL_SMALLER
211
212 static krb5_error_code
213 do_524init(krb5_context context, krb5_ccache ccache,
/* [<][>][^][v][top][bottom][index][help] */
214 krb5_creds *creds, const char *server)
215 {
216 krb5_error_code ret;
217
218 struct credentials c;
219 krb5_creds in_creds, *real_creds;
220
221 if(creds != NULL)
222 real_creds = creds;
223 else {
224 krb5_principal client;
225 krb5_cc_get_principal(context, ccache, &client);
226 memset(&in_creds, 0, sizeof(in_creds));
227 ret = get_server(context, client, server, &in_creds.server);
228 if(ret) {
229 krb5_free_principal(context, client);
230 return ret;
231 }
232 in_creds.client = client;
233 ret = krb5_get_credentials(context, 0, ccache, &in_creds, &real_creds);
234 krb5_free_principal(context, client);
235 krb5_free_principal(context, in_creds.server);
236 if(ret)
237 return ret;
238 }
239 ret = krb524_convert_creds_kdc_ccache(context, ccache, real_creds, &c);
240 if(ret)
241 krb5_warn(context, ret, "converting creds");
242 else {
243 krb5_error_code tret = _krb5_krb_tf_setup(context, &c, NULL, 0);
244 if(tret)
245 krb5_warn(context, tret, "saving v4 creds");
246 }
247
248 if(creds == NULL)
249 krb5_free_creds(context, real_creds);
250 memset(&c, 0, sizeof(c));
251
252 return ret;
253 }
254
255 #endif
256
257 static int
258 renew_validate(krb5_context context,
/* [<][>][^][v][top][bottom][index][help] */
259 int renew,
260 int validate,
261 krb5_ccache cache,
262 const char *server,
263 krb5_deltat life)
264 {
265 krb5_error_code ret;
266 krb5_creds in, *out = NULL;
267 krb5_kdc_flags flags;
268
269 memset(&in, 0, sizeof(in));
270
271 ret = krb5_cc_get_principal(context, cache, &in.client);
272 if(ret) {
273 krb5_warn(context, ret, "krb5_cc_get_principal");
274 return ret;
275 }
276 ret = get_server(context, in.client, server, &in.server);
277 if(ret) {
278 krb5_warn(context, ret, "get_server");
279 goto out;
280 }
281
282 if (renew) {
283 /*
284 * no need to check the error here, it's only to be
285 * friendly to the user
286 */
287 krb5_get_credentials(context, KRB5_GC_CACHED, cache, &in, &out);
288 }
289
290 flags.i = 0;
291 flags.b.renewable = flags.b.renew = renew;
292 flags.b.validate = validate;
293
294 if (forwardable_flag != -1)
295 flags.b.forwardable = forwardable_flag;
296 else if (out)
297 flags.b.forwardable = out->flags.b.forwardable;
298
299 if (proxiable_flag != -1)
300 flags.b.proxiable = proxiable_flag;
301 else if (out)
302 flags.b.proxiable = out->flags.b.proxiable;
303
304 if (anonymous_flag != -1)
305 flags.b.request_anonymous = anonymous_flag;
306 if(life)
307 in.times.endtime = time(NULL) + life;
308
309 if (out) {
310 krb5_free_creds (context, out);
311 out = NULL;
312 }
313
314
315 ret = krb5_get_kdc_cred(context,
316 cache,
317 flags,
318 NULL,
319 NULL,
320 &in,
321 &out);
322 if(ret) {
323 krb5_warn(context, ret, "krb5_get_kdc_cred");
324 goto out;
325 }
326 ret = krb5_cc_initialize(context, cache, in.client);
327 if(ret) {
328 krb5_free_creds (context, out);
329 krb5_warn(context, ret, "krb5_cc_initialize");
330 goto out;
331 }
332 ret = krb5_cc_store_cred(context, cache, out);
333
334 if(ret == 0 && server == NULL) {
335 /* only do this if it's a general renew-my-tgt request */
336 #ifndef HEIMDAL_SMALLER
337 if(get_v4_tgt)
338 do_524init(context, cache, out, NULL);
339 #endif
340 if(do_afslog && k_hasafs())
341 krb5_afslog(context, cache, NULL, NULL);
342 }
343
344 krb5_free_creds (context, out);
345 if(ret) {
346 krb5_warn(context, ret, "krb5_cc_store_cred");
347 goto out;
348 }
349 out:
350 krb5_free_cred_contents(context, &in);
351 return ret;
352 }
353
354 static krb5_error_code
355 store_ntlmkey(krb5_context context, krb5_ccache id,
/* [<][>][^][v][top][bottom][index][help] */
356 const char *domain, struct ntlm_buf *buf)
357 {
358 krb5_error_code ret;
359 krb5_data data;
360 char *name;
361
362 asprintf(&name, "ntlm-key-%s", domain);
363 if (name == NULL) {
364 krb5_clear_error_message(context);
365 return ENOMEM;
366 }
367
368 data.length = buf->length;
369 data.data = buf->data;
370
371 ret = krb5_cc_set_config(context, id, NULL, name, &data);
372 free(name);
373 return ret;
374 }
375
376 static krb5_error_code
377 get_new_tickets(krb5_context context,
/* [<][>][^][v][top][bottom][index][help] */
378 krb5_principal principal,
379 krb5_ccache ccache,
380 krb5_deltat ticket_life,
381 int interactive)
382 {
383 krb5_error_code ret;
384 krb5_get_init_creds_opt *opt;
385 krb5_creds cred;
386 char passwd[256];
387 krb5_deltat start_time = 0;
388 krb5_deltat renew = 0;
389 char *renewstr = NULL;
390 krb5_enctype *enctype = NULL;
391 struct ntlm_buf ntlmkey;
392 krb5_ccache tempccache;
393
394 memset(&ntlmkey, 0, sizeof(ntlmkey));
395 passwd[0] = '\0';
396
397 if (password_file) {
398 FILE *f;
399
400 if (strcasecmp("STDIN", password_file) == 0)
401 f = stdin;
402 else
403 f = fopen(password_file, "r");
404 if (f == NULL)
405 krb5_errx(context, 1, "Failed to open the password file %s",
406 password_file);
407
408 if (fgets(passwd, sizeof(passwd), f) == NULL)
409 krb5_errx(context, 1,
410 N_("Failed to read password from file %s", ""),
411 password_file);
412 if (f != stdin)
413 fclose(f);
414 passwd[strcspn(passwd, "\n")] = '\0';
415 }
416
417
418 memset(&cred, 0, sizeof(cred));
419
420 ret = krb5_get_init_creds_opt_alloc (context, &opt);
421 if (ret)
422 krb5_err(context, 1, ret, "krb5_get_init_creds_opt_alloc");
423
424 krb5_get_init_creds_opt_set_default_flags(context, "kinit",
425 krb5_principal_get_realm(context, principal), opt);
426
427 if(forwardable_flag != -1)
428 krb5_get_init_creds_opt_set_forwardable (opt, forwardable_flag);
429 if(proxiable_flag != -1)
430 krb5_get_init_creds_opt_set_proxiable (opt, proxiable_flag);
431 if(anonymous_flag != -1)
432 krb5_get_init_creds_opt_set_anonymous (opt, anonymous_flag);
433 if (pac_flag != -1)
434 krb5_get_init_creds_opt_set_pac_request(context, opt,
435 pac_flag ? TRUE : FALSE);
436 if (canonicalize_flag)
437 krb5_get_init_creds_opt_set_canonicalize(context, opt, TRUE);
438 if (pk_user_id) {
439 ret = krb5_get_init_creds_opt_set_pkinit(context, opt,
440 principal,
441 pk_user_id,
442 pk_x509_anchors,
443 NULL,
444 NULL,
445 pk_use_enckey ? 2 : 0,
446 krb5_prompter_posix,
447 NULL,
448 passwd);
449 if (ret)
450 krb5_err(context, 1, ret, "krb5_get_init_creds_opt_set_pkinit");
451 }
452
453 if (addrs_flag != -1)
454 krb5_get_init_creds_opt_set_addressless(context, opt,
455 addrs_flag ? FALSE : TRUE);
456
457 if (renew_life == NULL && renewable_flag)
458 renewstr = "1 month";
459 if (renew_life)
460 renewstr = renew_life;
461 if (renewstr) {
462 renew = parse_time (renewstr, "s");
463 if (renew < 0)
464 errx (1, "unparsable time: %s", renewstr);
465
466 krb5_get_init_creds_opt_set_renew_life (opt, renew);
467 }
468
469 if(ticket_life != 0)
470 krb5_get_init_creds_opt_set_tkt_life (opt, ticket_life);
471
472 if(start_str) {
473 int tmp = parse_time (start_str, "s");
474 if (tmp < 0)
475 errx (1, N_("unparsable time: %s", ""), start_str);
476
477 start_time = tmp;
478 }
479
480 if(etype_str.num_strings) {
481 int i;
482
483 enctype = malloc(etype_str.num_strings * sizeof(*enctype));
484 if(enctype == NULL)
485 errx(1, "out of memory");
486 for(i = 0; i < etype_str.num_strings; i++) {
487 ret = krb5_string_to_enctype(context,
488 etype_str.strings[i],
489 &enctype[i]);
490 if(ret)
491 errx(1, "unrecognized enctype: %s", etype_str.strings[i]);
492 }
493 krb5_get_init_creds_opt_set_etype_list(opt, enctype,
494 etype_str.num_strings);
495 }
496
497 if(use_keytab || keytab_str) {
498 krb5_keytab kt;
499 if(keytab_str)
500 ret = krb5_kt_resolve(context, keytab_str, &kt);
501 else
502 ret = krb5_kt_default(context, &kt);
503 if (ret)
504 krb5_err (context, 1, ret, "resolving keytab");
505 ret = krb5_get_init_creds_keytab (context,
506 &cred,
507 principal,
508 kt,
509 start_time,
510 server_str,
511 opt);
512 krb5_kt_close(context, kt);
513 } else if (pk_user_id) {
514 ret = krb5_get_init_creds_password (context,
515 &cred,
516 principal,
517 passwd,
518 krb5_prompter_posix,
519 NULL,
520 start_time,
521 server_str,
522 opt);
523 } else if (!interactive) {
524 krb5_warnx(context, "Not interactive, failed to get initial ticket");
525 krb5_get_init_creds_opt_free(context, opt);
526 return 0;
527 } else {
528
529 if (passwd[0] == '\0') {
530 char *p, *prompt;
531
532 krb5_unparse_name (context, principal, &p);
533 asprintf (&prompt, N_("%s's Password: ", ""), p);
534 free (p);
535
536 if (UI_UTIL_read_pw_string(passwd, sizeof(passwd)-1, prompt, 0)){
537 memset(passwd, 0, sizeof(passwd));
538 exit(1);
539 }
540 free (prompt);
541 }
542
543
544 ret = krb5_get_init_creds_password (context,
545 &cred,
546 principal,
547 passwd,
548 krb5_prompter_posix,
549 NULL,
550 start_time,
551 server_str,
552 opt);
553 }
554 krb5_get_init_creds_opt_free(context, opt);
555 if (ntlm_domain && passwd[0])
556 heim_ntlm_nt_key(passwd, &ntlmkey);
557 memset(passwd, 0, sizeof(passwd));
558
559 switch(ret){
560 case 0:
561 break;
562 case KRB5_LIBOS_PWDINTR: /* don't print anything if it was just C-c:ed */
563 exit(1);
564 case KRB5KRB_AP_ERR_BAD_INTEGRITY:
565 case KRB5KRB_AP_ERR_MODIFIED:
566 case KRB5KDC_ERR_PREAUTH_FAILED:
567 krb5_errx(context, 1, N_("Password incorrect", ""));
568 break;
569 case KRB5KRB_AP_ERR_V4_REPLY:
570 krb5_errx(context, 1, N_("Looks like a Kerberos 4 reply", ""));
571 break;
572 default:
573 krb5_err(context, 1, ret, "krb5_get_init_creds");
574 }
575
576 if(ticket_life != 0) {
577 if(abs(cred.times.endtime - cred.times.starttime - ticket_life) > 30) {
578 char life[64];
579 unparse_time_approx(cred.times.endtime - cred.times.starttime,
580 life, sizeof(life));
581 krb5_warnx(context, N_("NOTICE: ticket lifetime is %s", ""), life);
582 }
583 }
584 if(renew_life) {
585 if(abs(cred.times.renew_till - cred.times.starttime - renew) > 30) {
586 char life[64];
587 unparse_time_approx(cred.times.renew_till - cred.times.starttime,
588 life, sizeof(life));
589 krb5_warnx(context,
590 N_("NOTICE: ticket renewable lifetime is %s", ""),
591 life);
592 }
593 }
594
595 ret = krb5_cc_new_unique(context, krb5_cc_get_type(context, ccache),
596 NULL, &tempccache);
597 if (ret)
598 krb5_err (context, 1, ret, "krb5_cc_new_unique");
599
600 ret = krb5_cc_initialize (context, tempccache, cred.client);
601 if (ret)
602 krb5_err (context, 1, ret, "krb5_cc_initialize");
603
604 ret = krb5_cc_store_cred (context, tempccache, &cred);
605 if (ret)
606 krb5_err (context, 1, ret, "krb5_cc_store_cred");
607
608 krb5_free_cred_contents (context, &cred);
609
610 ret = krb5_cc_move(context, tempccache, ccache);
611 if (ret)
612 krb5_err (context, 1, ret, "krb5_cc_move");
613
614 if (ntlm_domain && ntlmkey.data)
615 store_ntlmkey(context, ccache, ntlm_domain, &ntlmkey);
616
617 if (ok_as_delegate_flag || windows_flag || use_referrals_flag) {
618 unsigned char d = 0;
619 krb5_data data;
620
621 if (ok_as_delegate_flag || windows_flag)
622 d |= 1;
623 if (use_referrals_flag || windows_flag)
624 d |= 2;
625
626 data.length = 1;
627 data.data = &d;
628
629 krb5_cc_set_config(context, ccache, NULL, "realm-config", &data);
630 }
631
632
633 if (enctype)
634 free(enctype);
635
636 return 0;
637 }
638
639 static time_t
640 ticket_lifetime(krb5_context context, krb5_ccache cache,
/* [<][>][^][v][top][bottom][index][help] */
641 krb5_principal client, const char *server)
642 {
643 krb5_creds in_cred, *cred;
644 krb5_error_code ret;
645 time_t timeout;
646
647 memset(&in_cred, 0, sizeof(in_cred));
648
649 ret = krb5_cc_get_principal(context, cache, &in_cred.client);
650 if(ret) {
651 krb5_warn(context, ret, "krb5_cc_get_principal");
652 return 0;
653 }
654 ret = get_server(context, in_cred.client, server, &in_cred.server);
655 if(ret) {
656 krb5_free_principal(context, in_cred.client);
657 krb5_warn(context, ret, "get_server");
658 return 0;
659 }
660
661 ret = krb5_get_credentials(context, KRB5_GC_CACHED,
662 cache, &in_cred, &cred);
663 krb5_free_principal(context, in_cred.client);
664 krb5_free_principal(context, in_cred.server);
665 if(ret) {
666 krb5_warn(context, ret, "krb5_get_credentials");
667 return 0;
668 }
669 timeout = cred->times.endtime - cred->times.starttime;
670 if (timeout < 0)
671 timeout = 0;
672 krb5_free_creds(context, cred);
673 return timeout;
674 }
675
676 struct renew_ctx {
677 krb5_context context;
678 krb5_ccache ccache;
679 krb5_principal principal;
680 krb5_deltat ticket_life;
681 };
682
683 static time_t
684 renew_func(void *ptr)
/* [<][>][^][v][top][bottom][index][help] */
685 {
686 struct renew_ctx *ctx = ptr;
687 krb5_error_code ret;
688 time_t expire;
689 int new_tickets = 0;
690
691 if (renewable_flag) {
692 ret = renew_validate(ctx->context, renewable_flag, validate_flag,
693 ctx->ccache, server_str, ctx->ticket_life);
694 if (ret)
695 new_tickets = 1;
696 } else
697 new_tickets = 1;
698
699 if (new_tickets)
700 get_new_tickets(ctx->context, ctx->principal,
701 ctx->ccache, ctx->ticket_life, 0);
702
703 #ifndef HEIMDAL_SMALLER
704 if(get_v4_tgt || convert_524)
705 do_524init(ctx->context, ctx->ccache, NULL, server_str);
706 #endif
707 if(do_afslog && k_hasafs())
708 krb5_afslog(ctx->context, ctx->ccache, NULL, NULL);
709
710 expire = ticket_lifetime(ctx->context, ctx->ccache, ctx->principal,
711 server_str) / 2;
712 return expire + 1;
713 }
714
715 int
716 main (int argc, char **argv)
/* [<][>][^][v][top][bottom][index][help] */
717 {
718 krb5_error_code ret;
719 krb5_context context;
720 krb5_ccache ccache;
721 krb5_principal principal;
722 int optidx = 0;
723 krb5_deltat ticket_life = 0;
724 int parseflags = 0;
725
726 setprogname (argv[0]);
727
728 setlocale (LC_ALL, "");
729 #if defined(HEIMDAL_LOCALEDIR)
730 bindtextdomain ("heimdal_kuser", HEIMDAL_LOCALEDIR);
731 textdomain("heimdal_kuser");
732 #endif
733
734 ret = krb5_init_context (&context);
735 if (ret == KRB5_CONFIG_BADFORMAT)
736 errx (1, "krb5_init_context failed to parse configuration file");
737 else if (ret)
738 errx(1, "krb5_init_context failed: %d", ret);
739
740 if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
741 usage(1);
742
743 if (help_flag)
744 usage (0);
745
746 if(version_flag) {
747 print_version(NULL);
748 exit(0);
749 }
750
751 argc -= optidx;
752 argv += optidx;
753
754 if (canonicalize_flag)
755 parseflags |= KRB5_PRINCIPAL_PARSE_ENTERPRISE;
756
757 if (argv[0]) {
758 ret = krb5_parse_name_flags (context, argv[0], parseflags, &principal);
759 if (ret)
760 krb5_err (context, 1, ret, "krb5_parse_name");
761 } else {
762 ret = krb5_get_default_principal (context, &principal);
763 if (ret)
764 krb5_err (context, 1, ret, "krb5_get_default_principal");
765 }
766
767 if(fcache_version)
768 krb5_set_fcache_version(context, fcache_version);
769
770 if(renewable_flag == -1)
771 /* this seems somewhat pointless, but whatever */
772 krb5_appdefault_boolean(context, "kinit",
773 krb5_principal_get_realm(context, principal),
774 "renewable", FALSE, &renewable_flag);
775 #ifndef HEIMDAL_SMALLER
776 if(get_v4_tgt == -1)
777 krb5_appdefault_boolean(context, "kinit",
778 krb5_principal_get_realm(context, principal),
779 "krb4_get_tickets", FALSE, &get_v4_tgt);
780 #endif
781 if(do_afslog == -1)
782 krb5_appdefault_boolean(context, "kinit",
783 krb5_principal_get_realm(context, principal),
784 "afslog", TRUE, &do_afslog);
785
786 if(cred_cache)
787 ret = krb5_cc_resolve(context, cred_cache, &ccache);
788 else {
789 if(argc > 1) {
790 char s[1024];
791 ret = krb5_cc_gen_new(context, &krb5_fcc_ops, &ccache);
792 if(ret)
793 krb5_err(context, 1, ret, "creating cred cache");
794 snprintf(s, sizeof(s), "%s:%s",
795 krb5_cc_get_type(context, ccache),
796 krb5_cc_get_name(context, ccache));
797 setenv("KRB5CCNAME", s, 1);
798 #ifndef HEIMDAL_SMALLER
799 if (get_v4_tgt) {
800 int fd;
801 if (asprintf(&krb4_cc_name, "%s_XXXXXX", TKT_ROOT) < 0)
802 krb5_errx(context, 1, "out of memory");
803 if((fd = mkstemp(krb4_cc_name)) >= 0) {
804 close(fd);
805 setenv("KRBTKFILE", krb4_cc_name, 1);
806 } else {
807 free(krb4_cc_name);
808 krb4_cc_name = NULL;
809 }
810 }
811 #endif
812 } else {
813 ret = krb5_cc_cache_match(context, principal, &ccache);
814 if (ret)
815 ret = krb5_cc_default (context, &ccache);
816 }
817 }
818 if (ret)
819 krb5_err (context, 1, ret, N_("resolving credentials cache", ""));
820
821 if(argc > 1 && k_hasafs ())
822 k_setpag();
823
824 if (lifetime) {
825 int tmp = parse_time (lifetime, "s");
826 if (tmp < 0)
827 errx (1, N_("unparsable time: %s", ""), lifetime);
828
829 ticket_life = tmp;
830 }
831
832 if(addrs_flag == 0 && extra_addresses.num_strings > 0)
833 krb5_errx(context, 1,
834 N_("specifying both extra addresses and "
835 "no addresses makes no sense", ""));
836 {
837 int i;
838 krb5_addresses addresses;
839 memset(&addresses, 0, sizeof(addresses));
840 for(i = 0; i < extra_addresses.num_strings; i++) {
841 ret = krb5_parse_address(context, extra_addresses.strings[i],
842 &addresses);
843 if (ret == 0) {
844 krb5_add_extra_addresses(context, &addresses);
845 krb5_free_addresses(context, &addresses);
846 }
847 }
848 free_getarg_strings(&extra_addresses);
849 }
850
851 if(renew_flag || validate_flag) {
852 ret = renew_validate(context, renew_flag, validate_flag,
853 ccache, server_str, ticket_life);
854 exit(ret != 0);
855 }
856
857 #ifndef HEIMDAL_SMALLER
858 if(!convert_524)
859 #endif
860 get_new_tickets(context, principal, ccache, ticket_life, 1);
861
862 #ifndef HEIMDAL_SMALLER
863 if(get_v4_tgt || convert_524)
864 do_524init(context, ccache, NULL, server_str);
865 #endif
866 if(do_afslog && k_hasafs())
867 krb5_afslog(context, ccache, NULL, NULL);
868 if(argc > 1) {
869 struct renew_ctx ctx;
870 time_t timeout;
871
872 timeout = ticket_lifetime(context, ccache, principal, server_str) / 2;
873
874 ctx.context = context;
875 ctx.ccache = ccache;
876 ctx.principal = principal;
877 ctx.ticket_life = ticket_life;
878
879 ret = simple_execvp_timed(argv[1], argv+1,
880 renew_func, &ctx, timeout);
881 #define EX_NOEXEC 126
882 #define EX_NOTFOUND 127
883 if(ret == EX_NOEXEC)
884 krb5_warnx(context, N_("permission denied: %s", ""), argv[1]);
885 else if(ret == EX_NOTFOUND)
886 krb5_warnx(context, N_("command not found: %s", ""), argv[1]);
887
888 krb5_cc_destroy(context, ccache);
889 #ifndef HEIMDAL_SMALLER
890 _krb5_krb_dest_tkt(context, krb4_cc_name);
891 #endif
892 if(k_hasafs())
893 k_unlog();
894 } else {
895 krb5_cc_close (context, ccache);
896 ret = 0;
897 }
898 krb5_free_principal(context, principal);
899 krb5_free_context (context);
900 return ret;
901 }