1 /* $NetBSD: verify_krb5_conf.c,v 1.1.1.2 2014/04/24 12:45:51 pettai Exp $ */
2
3 /*
4 * Copyright (c) 1999 - 2005 Kungliga Tekniska Högskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of the Institute nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 #include "krb5_locl.h"
37 #include <krb5/getarg.h>
38 #include <krb5/parse_bytes.h>
39 #include <err.h>
40
41 /* verify krb5.conf */
42
43 static int dumpconfig_flag = 0;
44 static int version_flag = 0;
45 static int help_flag = 0;
46 static int warn_mit_syntax_flag = 0;
47
48 static struct getargs args[] = {
49 {"dumpconfig", 0, arg_flag, &dumpconfig_flag,
50 "show the parsed config files", NULL },
51 {"warn-mit-syntax", 0, arg_flag, &warn_mit_syntax_flag,
52 "show the parsed config files", NULL },
53 {"version", 0, arg_flag, &version_flag,
54 "print version", NULL },
55 {"help", 0, arg_flag, &help_flag,
56 NULL, NULL }
57 };
58
59 static void
usage(int ret)60 usage (int ret)
61 {
62 arg_printusage (args,
63 sizeof(args)/sizeof(*args),
64 NULL,
65 "[config-file]");
66 exit (ret);
67 }
68
69 static int
check_bytes(krb5_context context,const char * path,char * data)70 check_bytes(krb5_context context, const char *path, char *data)
71 {
72 if(parse_bytes(data, NULL) == -1) {
73 krb5_warnx(context, "%s: failed to parse \"%s\" as size", path, data);
74 return 1;
75 }
76 return 0;
77 }
78
79 static int
check_time(krb5_context context,const char * path,char * data)80 check_time(krb5_context context, const char *path, char *data)
81 {
82 if(parse_time(data, NULL) == -1) {
83 krb5_warnx(context, "%s: failed to parse \"%s\" as time", path, data);
84 return 1;
85 }
86 return 0;
87 }
88
89 static int
check_numeric(krb5_context context,const char * path,char * data)90 check_numeric(krb5_context context, const char *path, char *data)
91 {
92 long v;
93 char *end;
94 v = strtol(data, &end, 0);
95
96 if ((v == LONG_MIN || v == LONG_MAX) && errno != 0) {
97 krb5_warnx(context, "%s: over/under flow for \"%s\"",
98 path, data);
99 return 1;
100 }
101 if(*end != '\0') {
102 krb5_warnx(context, "%s: failed to parse \"%s\" as a number",
103 path, data);
104 return 1;
105 }
106 return 0;
107 }
108
109 static int
check_boolean(krb5_context context,const char * path,char * data)110 check_boolean(krb5_context context, const char *path, char *data)
111 {
112 long int v;
113 char *end;
114 if(strcasecmp(data, "yes") == 0 ||
115 strcasecmp(data, "true") == 0 ||
116 strcasecmp(data, "no") == 0 ||
117 strcasecmp(data, "false") == 0)
118 return 0;
119 v = strtol(data, &end, 0);
120 if(*end != '\0') {
121 krb5_warnx(context, "%s: failed to parse \"%s\" as a boolean",
122 path, data);
123 return 1;
124 }
125 if(v != 0 && v != 1)
126 krb5_warnx(context, "%s: numeric value \"%s\" is treated as \"true\"",
127 path, data);
128 return 0;
129 }
130
131 static int
check_524(krb5_context context,const char * path,char * data)132 check_524(krb5_context context, const char *path, char *data)
133 {
134 if(strcasecmp(data, "yes") == 0 ||
135 strcasecmp(data, "no") == 0 ||
136 strcasecmp(data, "2b") == 0 ||
137 strcasecmp(data, "local") == 0)
138 return 0;
139
140 krb5_warnx(context, "%s: didn't contain a valid option `%s'",
141 path, data);
142 return 1;
143 }
144
145 static int
check_host(krb5_context context,const char * path,char * data)146 check_host(krb5_context context, const char *path, char *data)
147 {
148 int ret;
149 char hostname[128];
150 const char *p = data;
151 struct addrinfo hints;
152 char service[32];
153 int defport;
154 struct addrinfo *ai;
155
156 hints.ai_flags = 0;
157 hints.ai_family = PF_UNSPEC;
158 hints.ai_socktype = 0;
159 hints.ai_protocol = 0;
160
161 hints.ai_addrlen = 0;
162 hints.ai_canonname = NULL;
163 hints.ai_addr = NULL;
164 hints.ai_next = NULL;
165
166 /* XXX data could be a list of hosts that this code can't handle */
167 /* XXX copied from krbhst.c */
168 if(strncmp(p, "http://", 7) == 0){
169 p += 7;
170 hints.ai_socktype = SOCK_STREAM;
171 strlcpy(service, "http", sizeof(service));
172 defport = 80;
173 } else if(strncmp(p, "http/", 5) == 0) {
174 p += 5;
175 hints.ai_socktype = SOCK_STREAM;
176 strlcpy(service, "http", sizeof(service));
177 defport = 80;
178 }else if(strncmp(p, "tcp/", 4) == 0){
179 p += 4;
180 hints.ai_socktype = SOCK_STREAM;
181 strlcpy(service, "kerberos", sizeof(service));
182 defport = 88;
183 } else if(strncmp(p, "udp/", 4) == 0) {
184 p += 4;
185 hints.ai_socktype = SOCK_DGRAM;
186 strlcpy(service, "kerberos", sizeof(service));
187 defport = 88;
188 } else {
189 hints.ai_socktype = SOCK_DGRAM;
190 strlcpy(service, "kerberos", sizeof(service));
191 defport = 88;
192 }
193 if(strsep_copy(&p, ":", hostname, sizeof(hostname)) < 0) {
194 return 1;
195 }
196 hostname[strcspn(hostname, "/")] = '\0';
197 if(p != NULL) {
198 char *end;
199 int tmp = strtol(p, &end, 0);
200 if(end == p) {
201 krb5_warnx(context, "%s: failed to parse port number in %s",
202 path, data);
203 return 1;
204 }
205 defport = tmp;
206 snprintf(service, sizeof(service), "%u", defport);
207 }
208 ret = getaddrinfo(hostname, service, &hints, &ai);
209 if(ret == EAI_SERVICE && !isdigit((unsigned char)service[0])) {
210 snprintf(service, sizeof(service), "%u", defport);
211 ret = getaddrinfo(hostname, service, &hints, &ai);
212 }
213 if(ret != 0) {
214 krb5_warnx(context, "%s: %s (%s)", path, gai_strerror(ret), hostname);
215 return 1;
216 }
217 return 0;
218 }
219
220 static int
mit_entry(krb5_context context,const char * path,char * data)221 mit_entry(krb5_context context, const char *path, char *data)
222 {
223 if (warn_mit_syntax_flag)
224 krb5_warnx(context, "%s is only used by MIT Kerberos", path);
225 return 0;
226 }
227
228 struct s2i {
229 const char *s;
230 int val;
231 };
232
233 #define L(X) { #X, LOG_ ## X }
234
235 static struct s2i syslogvals[] = {
236 /* severity */
237 L(EMERG),
238 L(ALERT),
239 L(CRIT),
240 L(ERR),
241 L(WARNING),
242 L(NOTICE),
243 L(INFO),
244 L(DEBUG),
245 /* facility */
246 L(AUTH),
247 #ifdef LOG_AUTHPRIV
248 L(AUTHPRIV),
249 #endif
250 #ifdef LOG_CRON
251 L(CRON),
252 #endif
253 L(DAEMON),
254 #ifdef LOG_FTP
255 L(FTP),
256 #endif
257 L(KERN),
258 L(LPR),
259 L(MAIL),
260 #ifdef LOG_NEWS
261 L(NEWS),
262 #endif
263 L(SYSLOG),
264 L(USER),
265 #ifdef LOG_UUCP
266 L(UUCP),
267 #endif
268 L(LOCAL0),
269 L(LOCAL1),
270 L(LOCAL2),
271 L(LOCAL3),
272 L(LOCAL4),
273 L(LOCAL5),
274 L(LOCAL6),
275 L(LOCAL7),
276 { NULL, -1 }
277 };
278
279 static int
find_value(const char * s,struct s2i * table)280 find_value(const char *s, struct s2i *table)
281 {
282 while(table->s && strcasecmp(table->s, s))
283 table++;
284 return table->val;
285 }
286
287 static int
check_log(krb5_context context,const char * path,char * data)288 check_log(krb5_context context, const char *path, char *data)
289 {
290 /* XXX sync with log.c */
291 int min = 0, max = -1, n;
292 char c;
293 const char *p = data;
294
295 n = sscanf(p, "%d%c%d/", &min, &c, &max);
296 if(n == 2){
297 if(c == '/') {
298 if(min < 0){
299 max = -min;
300 min = 0;
301 }else{
302 max = min;
303 }
304 }
305 }
306 if(n){
307 p = strchr(p, '/');
308 if(p == NULL) {
309 krb5_warnx(context, "%s: failed to parse \"%s\"", path, data);
310 return 1;
311 }
312 p++;
313 }
314 if(strcmp(p, "STDERR") == 0 ||
315 strcmp(p, "CONSOLE") == 0 ||
316 (strncmp(p, "FILE", 4) == 0 && (p[4] == ':' || p[4] == '=')) ||
317 (strncmp(p, "DEVICE", 6) == 0 && p[6] == '='))
318 return 0;
319 if(strncmp(p, "SYSLOG", 6) == 0){
320 int ret = 0;
321 char severity[128] = "";
322 char facility[128] = "";
323 p += 6;
324 if(*p != '\0')
325 p++;
326 if(strsep_copy(&p, ":", severity, sizeof(severity)) != -1)
327 strsep_copy(&p, ":", facility, sizeof(facility));
328 if(*severity == '\0')
329 strlcpy(severity, "ERR", sizeof(severity));
330 if(*facility == '\0')
331 strlcpy(facility, "AUTH", sizeof(facility));
332 if(find_value(severity, syslogvals) == -1) {
333 krb5_warnx(context, "%s: unknown syslog facility \"%s\"",
334 path, facility);
335 ret++;
336 }
337 if(find_value(severity, syslogvals) == -1) {
338 krb5_warnx(context, "%s: unknown syslog severity \"%s\"",
339 path, severity);
340 ret++;
341 }
342 return ret;
343 }else{
344 krb5_warnx(context, "%s: unknown log type: \"%s\"", path, data);
345 return 1;
346 }
347 }
348
349 typedef int (*check_func_t)(krb5_context, const char*, char*);
350 struct entry {
351 const char *name;
352 int type;
353 void *check_data;
354 int deprecated;
355 };
356
357 struct entry all_strings[] = {
358 { "", krb5_config_string, NULL },
359 { NULL }
360 };
361
362 struct entry all_boolean[] = {
363 { "", krb5_config_string, check_boolean },
364 { NULL }
365 };
366
367
368 struct entry v4_name_convert_entries[] = {
369 { "host", krb5_config_list, all_strings },
370 { "plain", krb5_config_list, all_strings },
371 { NULL }
372 };
373
374 struct entry libdefaults_entries[] = {
375 { "accept_null_addresses", krb5_config_string, check_boolean },
376 { "allow_weak_crypto", krb5_config_string, check_boolean },
377 { "capath", krb5_config_list, all_strings, 1 },
378 { "check_pac", krb5_config_string, check_boolean },
379 { "clockskew", krb5_config_string, check_time },
380 { "date_format", krb5_config_string, NULL },
381 { "default_cc_name", krb5_config_string, NULL },
382 { "default_etypes", krb5_config_string, NULL },
383 { "default_etypes_des", krb5_config_string, NULL },
384 { "default_keytab_modify_name", krb5_config_string, NULL },
385 { "default_keytab_name", krb5_config_string, NULL },
386 { "default_realm", krb5_config_string, NULL },
387 { "dns_canonize_hostname", krb5_config_string, check_boolean },
388 { "dns_proxy", krb5_config_string, NULL },
389 { "dns_lookup_kdc", krb5_config_string, check_boolean },
390 { "dns_lookup_realm", krb5_config_string, check_boolean },
391 { "dns_lookup_realm_labels", krb5_config_string, NULL },
392 { "egd_socket", krb5_config_string, NULL },
393 { "encrypt", krb5_config_string, check_boolean },
394 { "extra_addresses", krb5_config_string, NULL },
395 { "fcache_version", krb5_config_string, check_numeric },
396 { "fcc-mit-ticketflags", krb5_config_string, check_boolean },
397 { "forward", krb5_config_string, check_boolean },
398 { "forwardable", krb5_config_string, check_boolean },
399 { "http_proxy", krb5_config_string, check_host /* XXX */ },
400 { "ignore_addresses", krb5_config_string, NULL },
401 { "kdc_timeout", krb5_config_string, check_time },
402 { "kdc_timesync", krb5_config_string, check_boolean },
403 { "log_utc", krb5_config_string, check_boolean },
404 { "maxretries", krb5_config_string, check_numeric },
405 { "scan_interfaces", krb5_config_string, check_boolean },
406 { "srv_lookup", krb5_config_string, check_boolean },
407 { "srv_try_txt", krb5_config_string, check_boolean },
408 { "ticket_lifetime", krb5_config_string, check_time },
409 { "time_format", krb5_config_string, NULL },
410 { "transited_realms_reject", krb5_config_string, NULL },
411 { "no-addresses", krb5_config_string, check_boolean },
412 { "v4_instance_resolve", krb5_config_string, check_boolean },
413 { "v4_name_convert", krb5_config_list, v4_name_convert_entries },
414 { "verify_ap_req_nofail", krb5_config_string, check_boolean },
415 { "max_retries", krb5_config_string, check_time },
416 { "renew_lifetime", krb5_config_string, check_time },
417 { "proxiable", krb5_config_string, check_boolean },
418 { "warn_pwexpire", krb5_config_string, check_time },
419 /* MIT stuff */
420 { "permitted_enctypes", krb5_config_string, mit_entry },
421 { "default_tgs_enctypes", krb5_config_string, mit_entry },
422 { "default_tkt_enctypes", krb5_config_string, mit_entry },
423 { NULL }
424 };
425
426 struct entry appdefaults_entries[] = {
427 { "afslog", krb5_config_string, check_boolean },
428 { "afs-use-524", krb5_config_string, check_524 },
429 { "encrypt", krb5_config_string, check_boolean },
430 { "forward", krb5_config_string, check_boolean },
431 { "forwardable", krb5_config_string, check_boolean },
432 { "proxiable", krb5_config_string, check_boolean },
433 { "ticket_lifetime", krb5_config_string, check_time },
434 { "renew_lifetime", krb5_config_string, check_time },
435 { "no-addresses", krb5_config_string, check_boolean },
436 { "krb4_get_tickets", krb5_config_string, check_boolean },
437 { "pkinit_anchors", krb5_config_string, NULL },
438 { "pkinit_win2k", krb5_config_string, NULL },
439 { "pkinit_win2k_require_binding", krb5_config_string, NULL },
440 { "pkinit_require_eku", krb5_config_string, NULL },
441 { "pkinit_require_krbtgt_otherName", krb5_config_string, NULL },
442 { "pkinit_require_hostname_match", krb5_config_string, NULL },
443 #if 0
444 { "anonymous", krb5_config_string, check_boolean },
445 #endif
446 { "", krb5_config_list, appdefaults_entries },
447 { NULL }
448 };
449
450 struct entry realms_entries[] = {
451 { "forwardable", krb5_config_string, check_boolean },
452 { "proxiable", krb5_config_string, check_boolean },
453 { "ticket_lifetime", krb5_config_string, check_time },
454 { "renew_lifetime", krb5_config_string, check_time },
455 { "warn_pwexpire", krb5_config_string, check_time },
456 { "kdc", krb5_config_string, check_host },
457 { "admin_server", krb5_config_string, check_host },
458 { "kpasswd_server", krb5_config_string, check_host },
459 { "krb524_server", krb5_config_string, check_host },
460 { "v4_name_convert", krb5_config_list, v4_name_convert_entries },
461 { "v4_instance_convert", krb5_config_list, all_strings },
462 { "v4_domains", krb5_config_string, NULL },
463 { "default_domain", krb5_config_string, NULL },
464 { "win2k_pkinit", krb5_config_string, NULL },
465 /* MIT stuff */
466 { "admin_keytab", krb5_config_string, mit_entry },
467 { "acl_file", krb5_config_string, mit_entry },
468 { "dict_file", krb5_config_string, mit_entry },
469 { "kadmind_port", krb5_config_string, mit_entry },
470 { "kpasswd_port", krb5_config_string, mit_entry },
471 { "master_key_name", krb5_config_string, mit_entry },
472 { "master_key_type", krb5_config_string, mit_entry },
473 { "key_stash_file", krb5_config_string, mit_entry },
474 { "max_life", krb5_config_string, mit_entry },
475 { "max_renewable_life", krb5_config_string, mit_entry },
476 { "default_principal_expiration", krb5_config_string, mit_entry },
477 { "default_principal_flags", krb5_config_string, mit_entry },
478 { "supported_enctypes", krb5_config_string, mit_entry },
479 { "database_name", krb5_config_string, mit_entry },
480 { NULL }
481 };
482
483 struct entry realms_foobar[] = {
484 { "", krb5_config_list, realms_entries },
485 { NULL }
486 };
487
488
489 struct entry kdc_database_entries[] = {
490 { "realm", krb5_config_string, NULL },
491 { "dbname", krb5_config_string, NULL },
492 { "mkey_file", krb5_config_string, NULL },
493 { "acl_file", krb5_config_string, NULL },
494 { "log_file", krb5_config_string, NULL },
495 { NULL }
496 };
497
498 struct entry kdc_entries[] = {
499 { "database", krb5_config_list, kdc_database_entries },
500 { "key-file", krb5_config_string, NULL },
501 { "logging", krb5_config_string, check_log },
502 { "max-request", krb5_config_string, check_bytes },
503 { "require-preauth", krb5_config_string, check_boolean },
504 { "ports", krb5_config_string, NULL },
505 { "addresses", krb5_config_string, NULL },
506 { "enable-kerberos4", krb5_config_string, check_boolean },
507 { "enable-524", krb5_config_string, check_boolean },
508 { "enable-http", krb5_config_string, check_boolean },
509 { "check-ticket-addresses", krb5_config_string, check_boolean },
510 { "allow-null-ticket-addresses", krb5_config_string, check_boolean },
511 { "allow-anonymous", krb5_config_string, check_boolean },
512 { "v4_realm", krb5_config_string, NULL },
513 { "enable-kaserver", krb5_config_string, check_boolean, 1 },
514 { "encode_as_rep_as_tgs_rep", krb5_config_string, check_boolean },
515 { "kdc_warn_pwexpire", krb5_config_string, check_time },
516 { "use_2b", krb5_config_list, NULL },
517 { "enable-pkinit", krb5_config_string, check_boolean },
518 { "pkinit_identity", krb5_config_string, NULL },
519 { "pkinit_anchors", krb5_config_string, NULL },
520 { "pkinit_pool", krb5_config_string, NULL },
521 { "pkinit_revoke", krb5_config_string, NULL },
522 { "pkinit_kdc_ocsp", krb5_config_string, NULL },
523 { "pkinit_principal_in_certificate", krb5_config_string, NULL },
524 { "pkinit_dh_min_bits", krb5_config_string, NULL },
525 { "pkinit_allow_proxy_certificate", krb5_config_string, NULL },
526 { "hdb-ldap-create-base", krb5_config_string, NULL },
527 { "v4-realm", krb5_config_string, NULL },
528 { NULL }
529 };
530
531 struct entry kadmin_entries[] = {
532 { "password_lifetime", krb5_config_string, check_time },
533 { "default_keys", krb5_config_string, NULL },
534 { "use_v4_salt", krb5_config_string, NULL },
535 { "require-preauth", krb5_config_string, check_boolean },
536 { NULL }
537 };
538 struct entry log_strings[] = {
539 { "", krb5_config_string, check_log },
540 { NULL }
541 };
542
543
544 /* MIT stuff */
545 struct entry kdcdefaults_entries[] = {
546 { "kdc_ports", krb5_config_string, mit_entry },
547 { "v4_mode", krb5_config_string, mit_entry },
548 { NULL }
549 };
550
551 struct entry capaths_entries[] = {
552 { "", krb5_config_list, all_strings },
553 { NULL }
554 };
555
556 struct entry password_quality_entries[] = {
557 { "policies", krb5_config_string, NULL },
558 { "external_program", krb5_config_string, NULL },
559 { "min_classes", krb5_config_string, check_numeric },
560 { "min_length", krb5_config_string, check_numeric },
561 { "", krb5_config_list, all_strings },
562 { NULL }
563 };
564
565 struct entry toplevel_sections[] = {
566 { "libdefaults" , krb5_config_list, libdefaults_entries },
567 { "realms", krb5_config_list, realms_foobar },
568 { "domain_realm", krb5_config_list, all_strings },
569 { "logging", krb5_config_list, log_strings },
570 { "kdc", krb5_config_list, kdc_entries },
571 { "kadmin", krb5_config_list, kadmin_entries },
572 { "appdefaults", krb5_config_list, appdefaults_entries },
573 { "gssapi", krb5_config_list, NULL },
574 { "capaths", krb5_config_list, capaths_entries },
575 { "password_quality", krb5_config_list, password_quality_entries },
576 /* MIT stuff */
577 { "kdcdefaults", krb5_config_list, kdcdefaults_entries },
578 { NULL }
579 };
580
581
582 static int
check_section(krb5_context context,const char * path,krb5_config_section * cf,struct entry * entries)583 check_section(krb5_context context, const char *path, krb5_config_section *cf,
584 struct entry *entries)
585 {
586 int error = 0;
587 krb5_config_section *p;
588 struct entry *e;
589
590 char *local;
591
592 for(p = cf; p != NULL; p = p->next) {
593 local = NULL;
594 if (asprintf(&local, "%s/%s", path, p->name) < 0 || local == NULL)
595 errx(1, "out of memory");
596 for(e = entries; e->name != NULL; e++) {
597 if(*e->name == '\0' || strcmp(e->name, p->name) == 0) {
598 if(e->type != p->type) {
599 krb5_warnx(context, "%s: unknown or wrong type", local);
600 error |= 1;
601 } else if(p->type == krb5_config_string && e->check_data != NULL) {
602 error |= (*(check_func_t)e->check_data)(context, local, p->u.string);
603 } else if(p->type == krb5_config_list && e->check_data != NULL) {
604 error |= check_section(context, local, p->u.list, e->check_data);
605 }
606 if(e->deprecated) {
607 krb5_warnx(context, "%s: is a deprecated entry", local);
608 error |= 1;
609 }
610 break;
611 }
612 }
613 if(e->name == NULL) {
614 krb5_warnx(context, "%s: unknown entry", local);
615 error |= 1;
616 }
617 free(local);
618 }
619 return error;
620 }
621
622
623 static void
dumpconfig(int level,krb5_config_section * top)624 dumpconfig(int level, krb5_config_section *top)
625 {
626 krb5_config_section *x;
627 for(x = top; x; x = x->next) {
628 switch(x->type) {
629 case krb5_config_list:
630 if(level == 0) {
631 printf("[%s]\n", x->name);
632 } else {
633 printf("%*s%s = {\n", 4 * level, " ", x->name);
634 }
635 dumpconfig(level + 1, x->u.list);
636 if(level > 0)
637 printf("%*s}\n", 4 * level, " ");
638 break;
639 case krb5_config_string:
640 printf("%*s%s = %s\n", 4 * level, " ", x->name, x->u.string);
641 break;
642 }
643 }
644 }
645
646 int
main(int argc,char ** argv)647 main(int argc, char **argv)
648 {
649 krb5_context context;
650 krb5_error_code ret;
651 krb5_config_section *tmp_cf;
652 int optidx = 0;
653
654 setprogname (argv[0]);
655
656 ret = krb5_init_context(&context);
657 if (ret == KRB5_CONFIG_BADFORMAT)
658 errx (1, "krb5_init_context failed to parse configuration file");
659 else if (ret)
660 errx (1, "krb5_init_context failed with %d", ret);
661
662 if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
663 usage(1);
664
665 if (help_flag)
666 usage (0);
667
668 if(version_flag){
669 print_version(NULL);
670 exit(0);
671 }
672
673 argc -= optidx;
674 argv += optidx;
675
676 tmp_cf = NULL;
677 if(argc == 0)
678 krb5_get_default_config_files(&argv);
679
680 while(*argv) {
681 ret = krb5_config_parse_file_multi(context, *argv, &tmp_cf);
682 if (ret != 0)
683 krb5_warn (context, ret, "krb5_config_parse_file");
684 argv++;
685 }
686
687 if(dumpconfig_flag)
688 dumpconfig(0, tmp_cf);
689
690 return check_section(context, "", tmp_cf, toplevel_sections);
691 }
692