270 lines
7.4 KiB
C
270 lines
7.4 KiB
C
/*
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* Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "ktutil_locl.h"
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RCSID("$Id: get.c,v 1.22 2003/01/16 19:03:23 lha Exp $");
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static void*
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open_kadmin_connection(char *principal,
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const char *realm,
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char *admin_server,
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int server_port)
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{
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static kadm5_config_params conf;
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krb5_error_code ret;
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void *kadm_handle;
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memset(&conf, 0, sizeof(conf));
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if(realm) {
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conf.realm = (char*)realm;
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conf.mask |= KADM5_CONFIG_REALM;
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}
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if (admin_server) {
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conf.admin_server = admin_server;
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conf.mask |= KADM5_CONFIG_ADMIN_SERVER;
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}
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if (server_port) {
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conf.kadmind_port = htons(server_port);
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conf.mask |= KADM5_CONFIG_KADMIND_PORT;
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}
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/* should get realm from each principal, instead of doing
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everything with the same (local) realm */
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ret = kadm5_init_with_password_ctx(context,
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principal,
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NULL,
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KADM5_ADMIN_SERVICE,
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&conf, 0, 0,
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&kadm_handle);
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if(ret) {
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krb5_warn(context, ret, "kadm5_init_with_password");
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return NULL;
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}
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return kadm_handle;
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}
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int
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kt_get(int argc, char **argv)
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{
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krb5_error_code ret = 0;
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krb5_keytab keytab;
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void *kadm_handle = NULL;
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char *principal = NULL;
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char *realm = NULL;
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char *admin_server = NULL;
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int server_port = 0;
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int help_flag = 0;
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int optind = 0;
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struct getarg_strings etype_strs = {0, NULL};
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krb5_enctype *etypes = NULL;
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size_t netypes = 0;
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struct getargs args[] = {
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{ "principal", 'p', arg_string, NULL,
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"admin principal", "principal"
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},
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{ "enctypes", 'e', arg_strings, NULL,
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"encryption types to use", "enctypes" },
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{ "realm", 'r', arg_string, NULL,
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"realm to use", "realm"
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},
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{ "admin-server", 'a', arg_string, NULL,
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"server to contact", "host"
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},
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{ "server-port", 's', arg_integer, NULL,
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"port to contact", "port number"
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},
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{ "help", 'h', arg_flag, NULL }
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};
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int i = 0, j;
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args[i++].value = &principal;
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args[i++].value = &etype_strs;
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args[i++].value = &realm;
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args[i++].value = &admin_server;
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args[i++].value = &server_port;
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args[i++].value = &help_flag;
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if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optind)
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|| help_flag) {
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arg_printusage(args, sizeof(args) / sizeof(args[0]),
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"ktutil get", "principal...");
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return 1;
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}
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if(optind == argc) {
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krb5_warnx(context, "no principals specified");
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arg_printusage(args, sizeof(args) / sizeof(args[0]),
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"ktutil get", "principal...");
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return 1;
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}
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if((keytab = ktutil_open_keytab()) == NULL)
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return 1;
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if(realm)
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krb5_set_default_realm(context, realm);
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if (etype_strs.num_strings) {
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int i;
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etypes = malloc (etype_strs.num_strings * sizeof(*etypes));
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if (etypes == NULL) {
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krb5_warnx(context, "malloc failed");
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goto out;
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}
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netypes = etype_strs.num_strings;
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for(i = 0; i < netypes; i++) {
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ret = krb5_string_to_enctype(context,
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etype_strs.strings[i],
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&etypes[i]);
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if(ret) {
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krb5_warnx(context, "unrecognized enctype: %s",
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etype_strs.strings[i]);
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goto out;
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}
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}
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}
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for(i = optind; i < argc; i++){
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krb5_principal princ_ent;
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kadm5_principal_ent_rec princ;
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int mask = 0;
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krb5_keyblock *keys;
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int n_keys;
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int created = 0;
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krb5_keytab_entry entry;
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ret = krb5_parse_name(context, argv[i], &princ_ent);
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memset(&princ, 0, sizeof(princ));
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princ.principal = princ_ent;
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mask |= KADM5_PRINCIPAL;
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princ.attributes |= KRB5_KDB_DISALLOW_ALL_TIX;
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mask |= KADM5_ATTRIBUTES;
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princ.princ_expire_time = 0;
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mask |= KADM5_PRINC_EXPIRE_TIME;
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if(kadm_handle == NULL) {
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const char *r;
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if(realm != NULL)
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r = realm;
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else
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r = krb5_principal_get_realm(context, princ_ent);
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kadm_handle = open_kadmin_connection(principal,
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r,
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admin_server,
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server_port);
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if(kadm_handle == NULL) {
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break;
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}
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}
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ret = kadm5_create_principal(kadm_handle, &princ, mask, "x");
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if(ret == 0)
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created++;
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else if(ret != KADM5_DUP) {
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krb5_warn(context, ret, "kadm5_create_principal(%s)", argv[i]);
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krb5_free_principal(context, princ_ent);
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continue;
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}
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ret = kadm5_randkey_principal(kadm_handle, princ_ent, &keys, &n_keys);
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if (ret) {
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krb5_warn(context, ret, "kadm5_randkey_principal(%s)", argv[i]);
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krb5_free_principal(context, princ_ent);
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continue;
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}
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ret = kadm5_get_principal(kadm_handle, princ_ent, &princ,
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KADM5_PRINCIPAL | KADM5_KVNO | KADM5_ATTRIBUTES);
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if (ret) {
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krb5_warn(context, ret, "kadm5_get_principal(%s)", argv[i]);
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for (j = 0; j < n_keys; j++)
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krb5_free_keyblock_contents(context, &keys[j]);
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krb5_free_principal(context, princ_ent);
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continue;
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}
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princ.attributes &= (~KRB5_KDB_DISALLOW_ALL_TIX);
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mask = KADM5_ATTRIBUTES;
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if(created) {
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princ.kvno = 1;
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mask |= KADM5_KVNO;
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}
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ret = kadm5_modify_principal(kadm_handle, &princ, mask);
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if (ret) {
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krb5_warn(context, ret, "kadm5_modify_principal(%s)", argv[i]);
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for (j = 0; j < n_keys; j++)
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krb5_free_keyblock_contents(context, &keys[j]);
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krb5_free_principal(context, princ_ent);
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continue;
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}
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for(j = 0; j < n_keys; j++) {
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int do_add = TRUE;
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if (netypes) {
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int i;
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do_add = FALSE;
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for (i = 0; i < netypes; ++i)
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if (keys[j].keytype == etypes[i]) {
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do_add = TRUE;
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break;
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}
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}
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if (do_add) {
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entry.principal = princ_ent;
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entry.vno = princ.kvno;
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entry.keyblock = keys[j];
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entry.timestamp = time (NULL);
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ret = krb5_kt_add_entry(context, keytab, &entry);
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if (ret)
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krb5_warn(context, ret, "krb5_kt_add_entry");
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}
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krb5_free_keyblock_contents(context, &keys[j]);
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}
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kadm5_free_principal_ent(kadm_handle, &princ);
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krb5_free_principal(context, princ_ent);
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}
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out:
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free_getarg_strings(&etype_strs);
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free(etypes);
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if (kadm_handle)
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kadm5_destroy(kadm_handle);
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krb5_kt_close(context, keytab);
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return ret != 0;
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}
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