diff options
Diffstat (limited to 'third_party/heimdal/admin/get.c')
| -rw-r--r-- | third_party/heimdal/admin/get.c | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/third_party/heimdal/admin/get.c b/third_party/heimdal/admin/get.c new file mode 100644 index 0000000..f56e50f --- /dev/null +++ b/third_party/heimdal/admin/get.c @@ -0,0 +1,264 @@ +/* + * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "ktutil_locl.h" + +RCSID("$Id$"); + +static void* +open_kadmin_connection(char *principal, + const char *realm, + char *admin_server, + int server_port) +{ + static kadm5_config_params conf; + krb5_error_code ret; + void *kadm_handle; + memset(&conf, 0, sizeof(conf)); + + if(realm) { + conf.realm = strdup(realm); + if (conf.realm == NULL) { + krb5_set_error_message(context, 0, "malloc: out of memory"); + return NULL; + } + conf.mask |= KADM5_CONFIG_REALM; + } + + if (admin_server) { + conf.admin_server = admin_server; + conf.mask |= KADM5_CONFIG_ADMIN_SERVER; + } + + if (server_port) { + conf.kadmind_port = htons(server_port); + conf.mask |= KADM5_CONFIG_KADMIND_PORT; + } + + /* should get realm from each principal, instead of doing + everything with the same (local) realm */ + + ret = kadm5_init_with_password_ctx(context, + principal, + NULL, + KADM5_ADMIN_SERVICE, + &conf, 0, 0, + &kadm_handle); + free(conf.realm); + if(ret) { + krb5_warn(context, ret, "kadm5_init_with_password"); + return NULL; + } + return kadm_handle; +} + +static int +parse_enctypes(struct get_options *opt, + size_t *nks, + krb5_key_salt_tuple **ks) +{ + const char *str; + char *s = NULL; + char *tmp; + size_t i; + int ret; + + *nks = 0; + *ks = NULL; + if (opt->enctypes_strings.num_strings == 0) { + str = krb5_config_get_string(context, NULL, "libdefaults", + "supported_enctypes", NULL); + if (str == NULL) + str = "aes128-cts-hmac-sha1-96"; + return krb5_string_to_keysalts2(context, str, nks, ks); + } + + for (i = 0; i < opt->enctypes_strings.num_strings; i++) { + if (asprintf(&tmp, "%s%s%s", i ? s : "", i ? "," : "", + opt->enctypes_strings.strings[i]) == -1) { + free(s); + return krb5_enomem(context); + } + s = tmp; + } + ret = krb5_string_to_keysalts2(context, s, nks, ks); + free(s); + return ret; +} + +int +kt_get(struct get_options *opt, int argc, char **argv) +{ + krb5_error_code ret = 0; + krb5_keytab keytab; + void *kadm_handle = NULL; + krb5_key_salt_tuple *ks = NULL; + size_t nks; + size_t i; + int a, j, keep; + unsigned int failed = 0; + + i = 0; + keep = 1; + if (opt->keepallold_flag) { + keep = 2; + i++; + } + if (opt->keepold_flag) { + keep = 1; + i++; + } + if (opt->pruneall_flag) { + keep = 0; + i++; + } + if (i > 1) { + fprintf(stderr, "use only one of --keepold, --keepallold, or --pruneall\n"); + return EINVAL; + } + + if ((ret = parse_enctypes(opt, &nks, &ks))) { + fprintf(stderr, "invalid enctype(s)\n"); + return ret; + } + + if((keytab = ktutil_open_keytab()) == NULL) { + free(ks); + return 1; + } + + if(opt->realm_string) + krb5_set_default_realm(context, opt->realm_string); + + for(a = 0; a < argc; a++){ + krb5_principal princ_ent; + kadm5_principal_ent_rec princ; + int mask = 0; + krb5_keyblock *keys; + int n_keys; + int created = 0; + krb5_keytab_entry entry; + + ret = krb5_parse_name(context, argv[a], &princ_ent); + if (ret) { + krb5_warn(context, ret, "can't parse principal %s", argv[a]); + failed++; + continue; + } + memset(&princ, 0, sizeof(princ)); + princ.principal = princ_ent; + mask |= KADM5_PRINCIPAL; + princ.attributes |= KRB5_KDB_DISALLOW_ALL_TIX; + mask |= KADM5_ATTRIBUTES; + princ.princ_expire_time = 0; + mask |= KADM5_PRINC_EXPIRE_TIME; + + if(kadm_handle == NULL) { + const char *r; + if(opt->realm_string != NULL) + r = opt->realm_string; + else + r = krb5_principal_get_realm(context, princ_ent); + kadm_handle = open_kadmin_connection(opt->principal_string, + r, + opt->admin_server_string, + opt->server_port_integer); + if(kadm_handle == NULL) + break; + } + + ret = kadm5_create_principal(kadm_handle, &princ, mask, "thisIs_aUseless.password123"); + if(ret == 0) + created = 1; + else if(ret != KADM5_DUP) { + krb5_warn(context, ret, "kadm5_create_principal(%s)", argv[a]); + krb5_free_principal(context, princ_ent); + failed++; + continue; + } + ret = kadm5_randkey_principal_3(kadm_handle, princ_ent, keep, nks, ks, + &keys, &n_keys); + if (ret) { + krb5_warn(context, ret, "kadm5_randkey_principal(%s)", argv[a]); + krb5_free_principal(context, princ_ent); + failed++; + continue; + } + + ret = kadm5_get_principal(kadm_handle, princ_ent, &princ, + KADM5_PRINCIPAL | KADM5_KVNO | KADM5_ATTRIBUTES); + if (ret) { + krb5_warn(context, ret, "kadm5_get_principal(%s)", argv[a]); + for (j = 0; j < n_keys; j++) + krb5_free_keyblock_contents(context, &keys[j]); + krb5_free_principal(context, princ_ent); + failed++; + continue; + } + if(!created && (princ.attributes & KRB5_KDB_DISALLOW_ALL_TIX)) + krb5_warnx(context, "%s: disallow-all-tix flag set - clearing", argv[a]); + princ.attributes &= (~KRB5_KDB_DISALLOW_ALL_TIX); + mask = KADM5_ATTRIBUTES; + if(created) { + princ.kvno = 1; + mask |= KADM5_KVNO; + } + ret = kadm5_modify_principal(kadm_handle, &princ, mask); + if (ret) { + krb5_warn(context, ret, "kadm5_modify_principal(%s)", argv[a]); + for (j = 0; j < n_keys; j++) + krb5_free_keyblock_contents(context, &keys[j]); + krb5_free_principal(context, princ_ent); + failed++; + continue; + } + for(j = 0; j < n_keys; j++) { + entry.principal = princ_ent; + entry.vno = princ.kvno; + entry.keyblock = keys[j]; + entry.timestamp = time (NULL); + ret = krb5_kt_add_entry(context, keytab, &entry); + if (ret) + krb5_warn(context, ret, "krb5_kt_add_entry"); + krb5_free_keyblock_contents(context, &keys[j]); + } + + kadm5_free_principal_ent(kadm_handle, &princ); + krb5_free_principal(context, princ_ent); + } + if (kadm_handle) + kadm5_destroy(kadm_handle); + krb5_kt_close(context, keytab); + free(ks); + return ret != 0 || failed > 0; +} |