1 /* $NetBSD: kadmin.c,v 1.1.1.1 2011/04/13 18:14:35 elric Exp $ */ 2 3 /* 4 * Copyright (c) 1997 - 2004 Kungliga Tekniska Högskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include "kadmin_locl.h" 37 #include "kadmin-commands.h" 38 #include <krb5/sl.h> 39 40 static char *config_file; 41 static char *keyfile; 42 int local_flag; 43 static int ad_flag; 44 static int help_flag; 45 static int version_flag; 46 static char *realm; 47 static char *admin_server; 48 static int server_port = 0; 49 static char *client_name; 50 static char *keytab; 51 static char *check_library = NULL; 52 static char *check_function = NULL; 53 static getarg_strings policy_libraries = { 0, NULL }; 54 55 static struct getargs args[] = { 56 { "principal", 'p', arg_string, &client_name, 57 "principal to authenticate as" }, 58 { "keytab", 'K', arg_string, &keytab, 59 "keytab for authentication principal" }, 60 { 61 "config-file", 'c', arg_string, &config_file, 62 "location of config file", "file" 63 }, 64 { 65 "key-file", 'k', arg_string, &keyfile, 66 "location of master key file", "file" 67 }, 68 { 69 "realm", 'r', arg_string, &realm, 70 "realm to use", "realm" 71 }, 72 { 73 "admin-server", 'a', arg_string, &admin_server, 74 "server to contact", "host" 75 }, 76 { 77 "server-port", 's', arg_integer, &server_port, 78 "port to use", "port number" 79 }, 80 { "ad", 0, arg_flag, &ad_flag, "active directory admin mode" }, 81 #ifdef HAVE_DLOPEN 82 { "check-library", 0, arg_string, &check_library, 83 "library to load password check function from", "library" }, 84 { "check-function", 0, arg_string, &check_function, 85 "password check function to load", "function" }, 86 { "policy-libraries", 0, arg_strings, &policy_libraries, 87 "password check function to load", "function" }, 88 #endif 89 { "local", 'l', arg_flag, &local_flag, "local admin mode" }, 90 { "help", 'h', arg_flag, &help_flag }, 91 { "version", 'v', arg_flag, &version_flag } 92 }; 93 94 static int num_args = sizeof(args) / sizeof(args[0]); 95 96 97 krb5_context context; 98 void *kadm_handle; 99 100 int 101 help(void *opt, int argc, char **argv) 102 { 103 sl_slc_help(commands, argc, argv); 104 return 0; 105 } 106 107 static int exit_seen = 0; 108 109 int 110 exit_kadmin (void *opt, int argc, char **argv) 111 { 112 exit_seen = 1; 113 return 0; 114 } 115 116 static void 117 usage(int ret) 118 { 119 arg_printusage (args, num_args, NULL, "[command]"); 120 exit (ret); 121 } 122 123 int 124 get_privs(void *opt, int argc, char **argv) 125 { 126 uint32_t privs; 127 char str[128]; 128 kadm5_ret_t ret; 129 130 ret = kadm5_get_privs(kadm_handle, &privs); 131 if(ret) 132 krb5_warn(context, ret, "kadm5_get_privs"); 133 else{ 134 ret =_kadm5_privs_to_string(privs, str, sizeof(str)); 135 if (ret == 0) 136 printf("%s\n", str); 137 else 138 printf("privs: 0x%x\n", (unsigned int)privs); 139 } 140 return 0; 141 } 142 143 int 144 main(int argc, char **argv) 145 { 146 krb5_error_code ret; 147 char **files; 148 kadm5_config_params conf; 149 int optidx = 0; 150 int exit_status = 0; 151 152 setprogname(argv[0]); 153 154 ret = krb5_init_context(&context); 155 if (ret) 156 errx (1, "krb5_init_context failed: %d", ret); 157 158 if(getarg(args, num_args, argc, argv, &optidx)) 159 usage(1); 160 161 if (help_flag) 162 usage (0); 163 164 if (version_flag) { 165 print_version(NULL); 166 exit(0); 167 } 168 169 argc -= optidx; 170 argv += optidx; 171 172 if (config_file == NULL) { 173 asprintf(&config_file, "%s/kdc.conf", hdb_db_dir(context)); 174 if (config_file == NULL) 175 errx(1, "out of memory"); 176 } 177 178 ret = krb5_prepend_config_files_default(config_file, &files); 179 if (ret) 180 krb5_err(context, 1, ret, "getting configuration files"); 181 182 ret = krb5_set_config_files(context, files); 183 krb5_free_config_files(files); 184 if(ret) 185 krb5_err(context, 1, ret, "reading configuration files"); 186 187 memset(&conf, 0, sizeof(conf)); 188 if(realm) { 189 krb5_set_default_realm(context, realm); /* XXX should be fixed 190 some other way */ 191 conf.realm = realm; 192 conf.mask |= KADM5_CONFIG_REALM; 193 } 194 195 if (admin_server) { 196 conf.admin_server = admin_server; 197 conf.mask |= KADM5_CONFIG_ADMIN_SERVER; 198 } 199 200 if (server_port) { 201 conf.kadmind_port = htons(server_port); 202 conf.mask |= KADM5_CONFIG_KADMIND_PORT; 203 } 204 205 if (keyfile) { 206 conf.stash_file = keyfile; 207 conf.mask |= KADM5_CONFIG_STASH_FILE; 208 } 209 210 if(local_flag) { 211 int i; 212 213 kadm5_setup_passwd_quality_check (context, 214 check_library, check_function); 215 216 for (i = 0; i < policy_libraries.num_strings; i++) { 217 ret = kadm5_add_passwd_quality_verifier(context, 218 policy_libraries.strings[i]); 219 if (ret) 220 krb5_err(context, 1, ret, "kadm5_add_passwd_quality_verifier"); 221 } 222 ret = kadm5_add_passwd_quality_verifier(context, NULL); 223 if (ret) 224 krb5_err(context, 1, ret, "kadm5_add_passwd_quality_verifier"); 225 226 ret = kadm5_s_init_with_password_ctx(context, 227 KADM5_ADMIN_SERVICE, 228 NULL, 229 KADM5_ADMIN_SERVICE, 230 &conf, 0, 0, 231 &kadm_handle); 232 } else if (ad_flag) { 233 if (client_name == NULL) 234 krb5_errx(context, 1, "keytab mode require principal name"); 235 ret = kadm5_ad_init_with_password_ctx(context, 236 client_name, 237 NULL, 238 KADM5_ADMIN_SERVICE, 239 &conf, 0, 0, 240 &kadm_handle); 241 } else if (keytab) { 242 if (client_name == NULL) 243 krb5_errx(context, 1, "keytab mode require principal name"); 244 ret = kadm5_c_init_with_skey_ctx(context, 245 client_name, 246 keytab, 247 KADM5_ADMIN_SERVICE, 248 &conf, 0, 0, 249 &kadm_handle); 250 } else 251 ret = kadm5_c_init_with_password_ctx(context, 252 client_name, 253 NULL, 254 KADM5_ADMIN_SERVICE, 255 &conf, 0, 0, 256 &kadm_handle); 257 258 if(ret) 259 krb5_err(context, 1, ret, "kadm5_init_with_password"); 260 261 signal(SIGINT, SIG_IGN); /* ignore signals for now, the sl command 262 parser will handle SIGINT its own way; 263 we should really take care of this in 264 each function, f.i `get' might be 265 interruptable, but not `create' */ 266 if (argc != 0) { 267 ret = sl_command (commands, argc, argv); 268 if(ret == -1) 269 krb5_warnx (context, "unrecognized command: %s", argv[0]); 270 else if (ret == -2) 271 ret = 0; 272 if(ret != 0) 273 exit_status = 1; 274 } else { 275 while(!exit_seen) { 276 ret = sl_command_loop(commands, "kadmin> ", NULL); 277 if (ret == -2) 278 exit_seen = 1; 279 else if (ret != 0) 280 exit_status = 1; 281 } 282 } 283 284 kadm5_destroy(kadm_handle); 285 krb5_free_context(context); 286 return exit_status; 287 } 288