/* $NetBSD: get.c,v 1.1.1.1 2011/04/13 18:14:32 elric Exp $ */ /* * 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("$NetBSD: get.c,v 1.1.1.1 2011/04/13 18:14:32 elric Exp $"); 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; } int kt_get(struct get_options *opt, int argc, char **argv) { krb5_error_code ret = 0; krb5_keytab keytab; void *kadm_handle = NULL; krb5_enctype *etypes = NULL; size_t netypes = 0; int i, j; unsigned int failed = 0; if((keytab = ktutil_open_keytab()) == NULL) return 1; if(opt->realm_string) krb5_set_default_realm(context, opt->realm_string); if (opt->enctypes_strings.num_strings != 0) { etypes = malloc (opt->enctypes_strings.num_strings * sizeof(*etypes)); if (etypes == NULL) { krb5_warnx(context, "malloc failed"); goto out; } netypes = opt->enctypes_strings.num_strings; for(i = 0; i < netypes; i++) { ret = krb5_string_to_enctype(context, opt->enctypes_strings.strings[i], &etypes[i]); if(ret) { krb5_warnx(context, "unrecognized enctype: %s", opt->enctypes_strings.strings[i]); goto out; } } } for(i = 0; i < argc; i++){ 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[i], &princ_ent); if (ret) { krb5_warn(context, ret, "can't parse principal %s", argv[i]); 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, "x"); if(ret == 0) created = 1; else if(ret != KADM5_DUP) { krb5_warn(context, ret, "kadm5_create_principal(%s)", argv[i]); krb5_free_principal(context, princ_ent); failed++; continue; } ret = kadm5_randkey_principal(kadm_handle, princ_ent, &keys, &n_keys); if (ret) { krb5_warn(context, ret, "kadm5_randkey_principal(%s)", argv[i]); 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[i]); 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[i]); 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[i]); 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++) { int do_add = TRUE; if (netypes) { int k; do_add = FALSE; for (k = 0; k < netypes; ++k) if (keys[j].keytype == etypes[k]) { do_add = TRUE; break; } } if (do_add) { 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); } out: free(etypes); if (kadm_handle) kadm5_destroy(kadm_handle); krb5_kt_close(context, keytab); return ret != 0 || failed > 0; }