/* * Copyright (c) 1997 - 2001 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: get.c,v 1.22.2.1 2004/06/21 10:55:46 lha 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 = (char*)realm; 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); if(ret) { krb5_warn(context, ret, "kadm5_init_with_password"); return NULL; } return kadm_handle; } int kt_get(int argc, char **argv) { krb5_error_code ret = 0; krb5_keytab keytab; void *kadm_handle = NULL; char *principal = NULL; char *realm = NULL; char *admin_server = NULL; int server_port = 0; int help_flag = 0; int optind = 0; struct getarg_strings etype_strs = {0, NULL}; krb5_enctype *etypes = NULL; size_t netypes = 0; struct getargs args[] = { { "principal", 'p', arg_string, NULL, "admin principal", "principal" }, { "enctypes", 'e', arg_strings, NULL, "encryption types to use", "enctypes" }, { "realm", 'r', arg_string, NULL, "realm to use", "realm" }, { "admin-server", 'a', arg_string, NULL, "server to contact", "host" }, { "server-port", 's', arg_integer, NULL, "port to contact", "port number" }, { "help", 'h', arg_flag, NULL } }; int i = 0, j; args[i++].value = &principal; args[i++].value = &etype_strs; args[i++].value = &realm; args[i++].value = &admin_server; args[i++].value = &server_port; args[i++].value = &help_flag; if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optind) || help_flag) { arg_printusage(args, sizeof(args) / sizeof(args[0]), "ktutil get", "principal..."); return 1; } if(optind == argc) { krb5_warnx(context, "no principals specified"); arg_printusage(args, sizeof(args) / sizeof(args[0]), "ktutil get", "principal..."); return 1; } if((keytab = ktutil_open_keytab()) == NULL) return 1; if(realm) krb5_set_default_realm(context, realm); if (etype_strs.num_strings) { int i; etypes = malloc (etype_strs.num_strings * sizeof(*etypes)); if (etypes == NULL) { krb5_warnx(context, "malloc failed"); goto out; } netypes = etype_strs.num_strings; for(i = 0; i < netypes; i++) { ret = krb5_string_to_enctype(context, etype_strs.strings[i], &etypes[i]); if(ret) { krb5_warnx(context, "unrecognized enctype: %s", etype_strs.strings[i]); goto out; } } } for(i = optind; 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]); 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(realm != NULL) r = realm; else r = krb5_principal_get_realm(context, princ_ent); kadm_handle = open_kadmin_connection(principal, r, admin_server, server_port); if(kadm_handle == NULL) { break; } } ret = kadm5_create_principal(kadm_handle, &princ, mask, "x"); if(ret == 0) created++; else if(ret != KADM5_DUP) { krb5_warn(context, ret, "kadm5_create_principal(%s)", argv[i]); krb5_free_principal(context, princ_ent); 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); 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); continue; } 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); continue; } for(j = 0; j < n_keys; j++) { int do_add = TRUE; if (netypes) { int i; do_add = FALSE; for (i = 0; i < netypes; ++i) if (keys[j].keytype == etypes[i]) { 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_getarg_strings(&etype_strs); free(etypes); if (kadm_handle) kadm5_destroy(kadm_handle); krb5_kt_close(context, keytab); return ret != 0; }