2 * Copyright (c) 1999 - 2005 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
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.
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.
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
34 #include "krb5_locl.h"
36 #include <parse_bytes.h>
39 /* verify krb5.conf */
41 static int dumpconfig_flag
= 0;
42 static int version_flag
= 0;
43 static int help_flag
= 0;
44 static int warn_mit_syntax_flag
= 0;
46 static struct getargs args
[] = {
47 {"dumpconfig", 0, arg_flag
, &dumpconfig_flag
,
48 "show the parsed config files", NULL
},
49 {"warn-mit-syntax", 0, arg_flag
, &warn_mit_syntax_flag
,
50 "show the parsed config files", NULL
},
51 {"version", 0, arg_flag
, &version_flag
,
52 "print version", NULL
},
53 {"help", 0, arg_flag
, &help_flag
,
61 sizeof(args
)/sizeof(*args
),
68 check_bytes(krb5_context context
, const char *path
, char *data
)
70 if(parse_bytes(data
, NULL
) == -1) {
71 krb5_warnx(context
, "%s: failed to parse \"%s\" as size", path
, data
);
78 check_time(krb5_context context
, const char *path
, char *data
)
80 if(parse_time(data
, NULL
) == -1) {
81 krb5_warnx(context
, "%s: failed to parse \"%s\" as time", path
, data
);
88 check_numeric(krb5_context context
, const char *path
, char *data
)
92 v
= strtol(data
, &end
, 0);
94 if ((v
== LONG_MIN
|| v
== LONG_MAX
) && errno
!= 0) {
95 krb5_warnx(context
, "%s: over/under flow for \"%s\"",
100 krb5_warnx(context
, "%s: failed to parse \"%s\" as a number",
108 check_boolean(krb5_context context
, const char *path
, char *data
)
112 if(strcasecmp(data
, "yes") == 0 ||
113 strcasecmp(data
, "true") == 0 ||
114 strcasecmp(data
, "no") == 0 ||
115 strcasecmp(data
, "false") == 0)
117 v
= strtol(data
, &end
, 0);
119 krb5_warnx(context
, "%s: failed to parse \"%s\" as a boolean",
124 krb5_warnx(context
, "%s: numeric value \"%s\" is treated as \"true\"",
130 check_524(krb5_context context
, const char *path
, char *data
)
132 if(strcasecmp(data
, "yes") == 0 ||
133 strcasecmp(data
, "no") == 0 ||
134 strcasecmp(data
, "2b") == 0 ||
135 strcasecmp(data
, "local") == 0)
138 krb5_warnx(context
, "%s: didn't contain a valid option `%s'",
144 check_host(krb5_context context
, const char *path
, char *data
)
148 const char *p
= data
;
149 struct addrinfo hints
;
155 hints
.ai_family
= PF_UNSPEC
;
156 hints
.ai_socktype
= 0;
157 hints
.ai_protocol
= 0;
159 hints
.ai_addrlen
= 0;
160 hints
.ai_canonname
= NULL
;
161 hints
.ai_addr
= NULL
;
162 hints
.ai_next
= NULL
;
164 /* XXX data could be a list of hosts that this code can't handle */
165 /* XXX copied from krbhst.c */
166 if(strncmp(p
, "http://", 7) == 0){
168 hints
.ai_socktype
= SOCK_STREAM
;
169 strlcpy(service
, "http", sizeof(service
));
171 } else if(strncmp(p
, "http/", 5) == 0) {
173 hints
.ai_socktype
= SOCK_STREAM
;
174 strlcpy(service
, "http", sizeof(service
));
176 }else if(strncmp(p
, "tcp/", 4) == 0){
178 hints
.ai_socktype
= SOCK_STREAM
;
179 strlcpy(service
, "kerberos", sizeof(service
));
181 } else if(strncmp(p
, "udp/", 4) == 0) {
183 hints
.ai_socktype
= SOCK_DGRAM
;
184 strlcpy(service
, "kerberos", sizeof(service
));
187 hints
.ai_socktype
= SOCK_DGRAM
;
188 strlcpy(service
, "kerberos", sizeof(service
));
191 if(strsep_copy(&p
, ":", hostname
, sizeof(hostname
)) < 0) {
194 hostname
[strcspn(hostname
, "/")] = '\0';
197 int tmp
= strtol(p
, &end
, 0);
199 krb5_warnx(context
, "%s: failed to parse port number in %s",
204 snprintf(service
, sizeof(service
), "%u", defport
);
206 ret
= getaddrinfo(hostname
, service
, &hints
, &ai
);
207 if(ret
== EAI_SERVICE
&& !isdigit((unsigned char)service
[0])) {
208 snprintf(service
, sizeof(service
), "%u", defport
);
209 ret
= getaddrinfo(hostname
, service
, &hints
, &ai
);
212 krb5_warnx(context
, "%s: %s (%s)", path
, gai_strerror(ret
), hostname
);
219 mit_entry(krb5_context context
, const char *path
, char *data
)
221 if (warn_mit_syntax_flag
)
222 krb5_warnx(context
, "%s is only used by MIT Kerberos", path
);
231 #define L(X) { #X, LOG_ ## X }
233 static struct s2i syslogvals
[] = {
278 find_value(const char *s
, struct s2i
*table
)
280 while(table
->s
&& strcasecmp(table
->s
, s
))
286 check_log(krb5_context context
, const char *path
, char *data
)
288 /* XXX sync with log.c */
289 int min
= 0, max
= -1, n
;
291 const char *p
= data
;
293 n
= sscanf(p
, "%d%c%d/", &min
, &c
, &max
);
307 krb5_warnx(context
, "%s: failed to parse \"%s\"", path
, data
);
312 if(strcmp(p
, "STDERR") == 0 ||
313 strcmp(p
, "CONSOLE") == 0 ||
314 (strncmp(p
, "FILE", 4) == 0 && (p
[4] == ':' || p
[4] == '=')) ||
315 (strncmp(p
, "DEVICE", 6) == 0 && p
[6] == '='))
317 if(strncmp(p
, "SYSLOG", 6) == 0){
319 char severity
[128] = "";
320 char facility
[128] = "";
324 if(strsep_copy(&p
, ":", severity
, sizeof(severity
)) != -1)
325 strsep_copy(&p
, ":", facility
, sizeof(facility
));
326 if(*severity
== '\0')
327 strlcpy(severity
, "ERR", sizeof(severity
));
328 if(*facility
== '\0')
329 strlcpy(facility
, "AUTH", sizeof(facility
));
330 if(find_value(severity
, syslogvals
) == -1) {
331 krb5_warnx(context
, "%s: unknown syslog facility \"%s\"",
335 if(find_value(severity
, syslogvals
) == -1) {
336 krb5_warnx(context
, "%s: unknown syslog severity \"%s\"",
342 krb5_warnx(context
, "%s: unknown log type: \"%s\"", path
, data
);
347 typedef int (*check_func_t
)(krb5_context
, const char*, char*);
355 struct entry all_strings
[] = {
356 { "", krb5_config_string
, NULL
},
360 struct entry all_boolean
[] = {
361 { "", krb5_config_string
, check_boolean
},
366 struct entry v4_name_convert_entries
[] = {
367 { "host", krb5_config_list
, all_strings
},
368 { "plain", krb5_config_list
, all_strings
},
372 struct entry libdefaults_entries
[] = {
373 { "accept_null_addresses", krb5_config_string
, check_boolean
},
374 { "capath", krb5_config_list
, all_strings
, 1 },
375 { "check_pac", krb5_config_string
, check_boolean
},
376 { "clockskew", krb5_config_string
, check_time
},
377 { "date_format", krb5_config_string
, NULL
},
378 { "default_cc_name", krb5_config_string
, NULL
},
379 { "default_etypes", krb5_config_string
, NULL
},
380 { "default_etypes_des", krb5_config_string
, NULL
},
381 { "default_keytab_modify_name", krb5_config_string
, NULL
},
382 { "default_keytab_name", krb5_config_string
, NULL
},
383 { "default_realm", krb5_config_string
, NULL
},
384 { "dns_canonize_hostname", krb5_config_string
, check_boolean
},
385 { "dns_proxy", krb5_config_string
, NULL
},
386 { "dns_lookup_kdc", krb5_config_string
, check_boolean
},
387 { "dns_lookup_realm", krb5_config_string
, check_boolean
},
388 { "dns_lookup_realm_labels", krb5_config_string
, NULL
},
389 { "egd_socket", krb5_config_string
, NULL
},
390 { "encrypt", krb5_config_string
, check_boolean
},
391 { "extra_addresses", krb5_config_string
, NULL
},
392 { "fcache_version", krb5_config_string
, check_numeric
},
393 { "fcc-mit-ticketflags", krb5_config_string
, check_boolean
},
394 { "forward", krb5_config_string
, check_boolean
},
395 { "forwardable", krb5_config_string
, check_boolean
},
396 { "http_proxy", krb5_config_string
, check_host
/* XXX */ },
397 { "ignore_addresses", krb5_config_string
, NULL
},
398 { "kdc_timeout", krb5_config_string
, check_time
},
399 { "kdc_timesync", krb5_config_string
, check_boolean
},
400 { "log_utc", krb5_config_string
, check_boolean
},
401 { "maxretries", krb5_config_string
, check_numeric
},
402 { "scan_interfaces", krb5_config_string
, check_boolean
},
403 { "srv_lookup", krb5_config_string
, check_boolean
},
404 { "srv_try_txt", krb5_config_string
, check_boolean
},
405 { "ticket_lifetime", krb5_config_string
, check_time
},
406 { "time_format", krb5_config_string
, NULL
},
407 { "transited_realms_reject", krb5_config_string
, NULL
},
408 { "no-addresses", krb5_config_string
, check_boolean
},
409 { "v4_instance_resolve", krb5_config_string
, check_boolean
},
410 { "v4_name_convert", krb5_config_list
, v4_name_convert_entries
},
411 { "verify_ap_req_nofail", krb5_config_string
, check_boolean
},
412 { "max_retries", krb5_config_string
, check_time
},
413 { "renew_lifetime", krb5_config_string
, check_time
},
414 { "proxiable", krb5_config_string
, check_boolean
},
415 { "warn_pwexpire", krb5_config_string
, check_time
},
417 { "permitted_enctypes", krb5_config_string
, mit_entry
},
418 { "default_tgs_enctypes", krb5_config_string
, mit_entry
},
419 { "default_tkt_enctypes", krb5_config_string
, mit_entry
},
423 struct entry appdefaults_entries
[] = {
424 { "afslog", krb5_config_string
, check_boolean
},
425 { "afs-use-524", krb5_config_string
, check_524
},
426 { "encrypt", krb5_config_string
, check_boolean
},
427 { "forward", krb5_config_string
, check_boolean
},
428 { "forwardable", krb5_config_string
, check_boolean
},
429 { "proxiable", krb5_config_string
, check_boolean
},
430 { "ticket_lifetime", krb5_config_string
, check_time
},
431 { "renew_lifetime", krb5_config_string
, check_time
},
432 { "no-addresses", krb5_config_string
, check_boolean
},
433 { "krb4_get_tickets", krb5_config_string
, check_boolean
},
434 { "pkinit_anchors", krb5_config_string
, NULL
},
435 { "pkinit_win2k", krb5_config_string
, NULL
},
436 { "pkinit_win2k_require_binding", krb5_config_string
, NULL
},
437 { "pkinit_require_eku", krb5_config_string
, NULL
},
438 { "pkinit_require_krbtgt_otherName", krb5_config_string
, NULL
},
439 { "pkinit_require_hostname_match", krb5_config_string
, NULL
},
441 { "anonymous", krb5_config_string
, check_boolean
},
443 { "", krb5_config_list
, appdefaults_entries
},
447 struct entry realms_entries
[] = {
448 { "forwardable", krb5_config_string
, check_boolean
},
449 { "proxiable", krb5_config_string
, check_boolean
},
450 { "ticket_lifetime", krb5_config_string
, check_time
},
451 { "renew_lifetime", krb5_config_string
, check_time
},
452 { "warn_pwexpire", krb5_config_string
, check_time
},
453 { "kdc", krb5_config_string
, check_host
},
454 { "admin_server", krb5_config_string
, check_host
},
455 { "kpasswd_server", krb5_config_string
, check_host
},
456 { "krb524_server", krb5_config_string
, check_host
},
457 { "v4_name_convert", krb5_config_list
, v4_name_convert_entries
},
458 { "v4_instance_convert", krb5_config_list
, all_strings
},
459 { "v4_domains", krb5_config_string
, NULL
},
460 { "default_domain", krb5_config_string
, NULL
},
461 { "win2k_pkinit", krb5_config_string
, NULL
},
463 { "admin_keytab", krb5_config_string
, mit_entry
},
464 { "acl_file", krb5_config_string
, mit_entry
},
465 { "dict_file", krb5_config_string
, mit_entry
},
466 { "kadmind_port", krb5_config_string
, mit_entry
},
467 { "kpasswd_port", krb5_config_string
, mit_entry
},
468 { "master_key_name", krb5_config_string
, mit_entry
},
469 { "master_key_type", krb5_config_string
, mit_entry
},
470 { "key_stash_file", krb5_config_string
, mit_entry
},
471 { "max_life", krb5_config_string
, mit_entry
},
472 { "max_renewable_life", krb5_config_string
, mit_entry
},
473 { "default_principal_expiration", krb5_config_string
, mit_entry
},
474 { "default_principal_flags", krb5_config_string
, mit_entry
},
475 { "supported_enctypes", krb5_config_string
, mit_entry
},
476 { "database_name", krb5_config_string
, mit_entry
},
480 struct entry realms_foobar
[] = {
481 { "", krb5_config_list
, realms_entries
},
486 struct entry kdc_database_entries
[] = {
487 { "realm", krb5_config_string
, NULL
},
488 { "dbname", krb5_config_string
, NULL
},
489 { "mkey_file", krb5_config_string
, NULL
},
490 { "acl_file", krb5_config_string
, NULL
},
491 { "log_file", krb5_config_string
, NULL
},
495 struct entry kdc_entries
[] = {
496 { "database", krb5_config_list
, kdc_database_entries
},
497 { "key-file", krb5_config_string
, NULL
},
498 { "logging", krb5_config_string
, check_log
},
499 { "max-request", krb5_config_string
, check_bytes
},
500 { "require-preauth", krb5_config_string
, check_boolean
},
501 { "ports", krb5_config_string
, NULL
},
502 { "addresses", krb5_config_string
, NULL
},
503 { "enable-kerberos4", krb5_config_string
, check_boolean
},
504 { "enable-524", krb5_config_string
, check_boolean
},
505 { "enable-http", krb5_config_string
, check_boolean
},
506 { "check-ticket-addresses", krb5_config_string
, check_boolean
},
507 { "allow-null-ticket-addresses", krb5_config_string
, check_boolean
},
508 { "allow-anonymous", krb5_config_string
, check_boolean
},
509 { "v4_realm", krb5_config_string
, NULL
},
510 { "enable-kaserver", krb5_config_string
, check_boolean
},
511 { "encode_as_rep_as_tgs_rep", krb5_config_string
, check_boolean
},
512 { "kdc_warn_pwexpire", krb5_config_string
, check_time
},
513 { "use_2b", krb5_config_list
, NULL
},
514 { "enable-pkinit", krb5_config_string
, check_boolean
},
515 { "pkinit_identity", krb5_config_string
, NULL
},
516 { "pkinit_anchors", krb5_config_string
, NULL
},
517 { "pkinit_pool", krb5_config_string
, NULL
},
518 { "pkinit_revoke", krb5_config_string
, NULL
},
519 { "pkinit_kdc_ocsp", krb5_config_string
, NULL
},
520 { "pkinit_principal_in_certificate", krb5_config_string
, NULL
},
521 { "pkinit_dh_min_bits", krb5_config_string
, NULL
},
522 { "pkinit_allow_proxy_certificate", krb5_config_string
, NULL
},
523 { "hdb-ldap-create-base", krb5_config_string
, NULL
},
524 { "v4-realm", krb5_config_string
, NULL
},
528 struct entry kadmin_entries
[] = {
529 { "password_lifetime", krb5_config_string
, check_time
},
530 { "default_keys", krb5_config_string
, NULL
},
531 { "use_v4_salt", krb5_config_string
, NULL
},
532 { "require-preauth", krb5_config_string
, check_boolean
},
535 struct entry log_strings
[] = {
536 { "", krb5_config_string
, check_log
},
542 struct entry kdcdefaults_entries
[] = {
543 { "kdc_ports", krb5_config_string
, mit_entry
},
544 { "v4_mode", krb5_config_string
, mit_entry
},
548 struct entry capaths_entries
[] = {
549 { "", krb5_config_list
, all_strings
},
553 struct entry password_quality_entries
[] = {
554 { "policies", krb5_config_string
, NULL
},
555 { "external_program", krb5_config_string
, NULL
},
556 { "min_classes", krb5_config_string
, check_numeric
},
557 { "min_length", krb5_config_string
, check_numeric
},
558 { "", krb5_config_list
, all_strings
},
562 struct entry toplevel_sections
[] = {
563 { "libdefaults" , krb5_config_list
, libdefaults_entries
},
564 { "realms", krb5_config_list
, realms_foobar
},
565 { "domain_realm", krb5_config_list
, all_strings
},
566 { "logging", krb5_config_list
, log_strings
},
567 { "kdc", krb5_config_list
, kdc_entries
},
568 { "kadmin", krb5_config_list
, kadmin_entries
},
569 { "appdefaults", krb5_config_list
, appdefaults_entries
},
570 { "gssapi", krb5_config_list
, NULL
},
571 { "capaths", krb5_config_list
, capaths_entries
},
572 { "password_quality", krb5_config_list
, password_quality_entries
},
574 { "kdcdefaults", krb5_config_list
, kdcdefaults_entries
},
580 check_section(krb5_context context
, const char *path
, krb5_config_section
*cf
,
581 struct entry
*entries
)
584 krb5_config_section
*p
;
589 for(p
= cf
; p
!= NULL
; p
= p
->next
) {
590 asprintf(&local
, "%s/%s", path
, p
->name
);
591 for(e
= entries
; e
->name
!= NULL
; e
++) {
592 if(*e
->name
== '\0' || strcmp(e
->name
, p
->name
) == 0) {
593 if(e
->type
!= p
->type
) {
594 krb5_warnx(context
, "%s: unknown or wrong type", local
);
596 } else if(p
->type
== krb5_config_string
&& e
->check_data
!= NULL
) {
597 error
|= (*(check_func_t
)e
->check_data
)(context
, local
, p
->u
.string
);
598 } else if(p
->type
== krb5_config_list
&& e
->check_data
!= NULL
) {
599 error
|= check_section(context
, local
, p
->u
.list
, e
->check_data
);
602 krb5_warnx(context
, "%s: is a deprecated entry", local
);
608 if(e
->name
== NULL
) {
609 krb5_warnx(context
, "%s: unknown entry", local
);
619 dumpconfig(int level
, krb5_config_section
*top
)
621 krb5_config_section
*x
;
622 for(x
= top
; x
; x
= x
->next
) {
624 case krb5_config_list
:
626 printf("[%s]\n", x
->name
);
628 printf("%*s%s = {\n", 4 * level
, " ", x
->name
);
630 dumpconfig(level
+ 1, x
->u
.list
);
632 printf("%*s}\n", 4 * level
, " ");
634 case krb5_config_string
:
635 printf("%*s%s = %s\n", 4 * level
, " ", x
->name
, x
->u
.string
);
642 main(int argc
, char **argv
)
644 krb5_context context
;
646 krb5_config_section
*tmp_cf
;
649 setprogname (argv
[0]);
651 ret
= krb5_init_context(&context
);
652 if (ret
== KRB5_CONFIG_BADFORMAT
)
653 errx (1, "krb5_init_context failed to parse configuration file");
655 errx (1, "krb5_init_context failed with %d", ret
);
657 if(getarg(args
, sizeof(args
) / sizeof(args
[0]), argc
, argv
, &optidx
))
673 krb5_get_default_config_files(&argv
);
676 ret
= krb5_config_parse_file_multi(context
, *argv
, &tmp_cf
);
678 krb5_warn (context
, ret
, "krb5_config_parse_file");
683 dumpconfig(0, tmp_cf
);
685 return check_section(context
, "", tmp_cf
, toplevel_sections
);