1/* 2 * Copyright (c) 1997 - 2004 Kungliga Tekniska Högskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#include "kadmin_locl.h" 35#include "kadmin-commands.h" 36#include <sl.h> 37 38static void usage(int ret) __attribute__((__noreturn__)); 39 40 41static char *config_file; 42static char *keyfile; 43int local_flag; 44static int ad_flag; 45static int mit_flag = 1; 46static int help_flag; 47static int version_flag; 48static char *realm; 49static char *admin_server; 50static int server_port = 0; 51static char *client_name; 52static char *keytab; 53static char *check_library = NULL; 54static char *check_function = NULL; 55static getarg_strings policy_libraries = { 0, NULL }; 56 57static struct getargs args[] = { 58 { "principal", 'p', arg_string, &client_name, 59 "principal to authenticate as", NULL }, 60 { "keytab", 'K', arg_string, &keytab, 61 "keytab for authentication principal", NULL }, 62 { 63 "config-file", 'c', arg_string, &config_file, 64 "location of config file", "file" 65 }, 66 { 67 "key-file", 'k', arg_string, &keyfile, 68 "location of master key file", "file" 69 }, 70 { 71 "realm", 'r', arg_string, &realm, 72 "realm to use", "realm" 73 }, 74 { 75 "admin-server", 'a', arg_string, &admin_server, 76 "server to contact", "host" 77 }, 78 { 79 "server-port", 's', arg_integer, &server_port, 80 "port to use", "port number" 81 }, 82 { "ad", 0, arg_flag, &ad_flag, "active directory admin mode" }, 83 { "mit", 0, arg_negative_flag, &mit_flag, "mit admin mode" }, 84#ifdef HAVE_DLOPEN 85 { "check-library", 0, arg_string, &check_library, 86 "library to load password check function from", "library" }, 87 { "check-function", 0, arg_string, &check_function, 88 "password check function to load", "function" }, 89 { "policy-libraries", 0, arg_strings, &policy_libraries, 90 "password check function to load", "function" }, 91#endif 92 { "local", 'l', arg_flag, &local_flag, "local admin mode", NULL }, 93 { "help", 'h', arg_flag, &help_flag, NULL, NULL }, 94 { "version", 'v', arg_flag, &version_flag, NULL, NULL } 95}; 96 97static int num_args = sizeof(args) / sizeof(args[0]); 98 99 100krb5_context context; 101void *kadm_handle; 102 103int 104help(void *opt, int argc, char **argv) 105{ 106 sl_slc_help(commands, argc, argv); 107 return 0; 108} 109 110static int exit_seen = 0; 111 112int 113exit_kadmin (void *opt, int argc, char **argv) 114{ 115 exit_seen = 1; 116 return 0; 117} 118 119int 120lock(void *opt, int argc, char **argv) 121{ 122 return kadm5_lock(kadm_handle); 123} 124 125int 126unlock(void *opt, int argc, char **argv) 127{ 128 return kadm5_unlock(kadm_handle); 129} 130 131static void 132usage(int ret) 133{ 134 arg_printusage (args, num_args, NULL, "[command]"); 135 exit (ret); 136} 137 138int 139get_privs(void *opt, int argc, char **argv) 140{ 141 uint32_t privs; 142 char str[128]; 143 kadm5_ret_t ret; 144 145 ret = kadm5_get_privs(kadm_handle, &privs); 146 if(ret) 147 krb5_warn(context, ret, "kadm5_get_privs"); 148 else{ 149 ret =_kadm5_privs_to_string(privs, str, sizeof(str)); 150 if (ret == 0) 151 printf("%s\n", str); 152 else 153 printf("privs: 0x%x\n", (unsigned int)privs); 154 } 155 return 0; 156} 157 158int 159main(int argc, char **argv) 160{ 161 krb5_error_code ret; 162 char **files; 163 kadm5_config_params conf; 164 int optidx = 0; 165 int exit_status = 0; 166 167 setprogname(argv[0]); 168 169 ret = krb5_init_context(&context); 170 if (ret) 171 errx (1, "krb5_init_context failed: %d", ret); 172 173 if(getarg(args, num_args, argc, argv, &optidx)) 174 usage(1); 175 176 if (help_flag) 177 usage(0); 178 179 if (version_flag) { 180 print_version(NULL); 181 exit(0); 182 } 183 184 argc -= optidx; 185 argv += optidx; 186 187 if (config_file == NULL) { 188 asprintf(&config_file, "%s/kdc.conf", hdb_db_dir(context)); 189 if (config_file == NULL) 190 errx(1, "out of memory"); 191 } 192 193 ret = krb5_prepend_config_files_default(config_file, &files); 194 if (ret) 195 krb5_err(context, 1, ret, "getting configuration files"); 196 197 ret = krb5_set_config_files(context, files); 198 krb5_free_config_files(files); 199 if(ret) 200 krb5_err(context, 1, ret, "reading configuration files"); 201 202 memset(&conf, 0, sizeof(conf)); 203 if(realm) { 204 krb5_set_default_realm(context, realm); /* XXX should be fixed 205 some other way */ 206 conf.realm = realm; 207 conf.mask |= KADM5_CONFIG_REALM; 208 } 209 210 if (admin_server) { 211 conf.admin_server = admin_server; 212 conf.mask |= KADM5_CONFIG_ADMIN_SERVER; 213 } 214 215 if (server_port) { 216 conf.kadmind_port = htons(server_port); 217 conf.mask |= KADM5_CONFIG_KADMIND_PORT; 218 } 219 220 if (keyfile) { 221 conf.stash_file = keyfile; 222 conf.mask |= KADM5_CONFIG_STASH_FILE; 223 } 224 225 if(local_flag) { 226 int i; 227 228 kadm5_setup_passwd_quality_check (context, 229 check_library, check_function); 230 231 for (i = 0; i < policy_libraries.num_strings; i++) { 232 ret = kadm5_add_passwd_quality_verifier(context, 233 policy_libraries.strings[i]); 234 if (ret) 235 krb5_err(context, 1, ret, "kadm5_add_passwd_quality_verifier"); 236 } 237 ret = kadm5_add_passwd_quality_verifier(context, NULL); 238 if (ret) 239 krb5_err(context, 1, ret, "kadm5_add_passwd_quality_verifier"); 240 241 ret = kadm5_s_init_with_password_ctx(context, 242 KADM5_ADMIN_SERVICE, 243 NULL, 244 KADM5_ADMIN_SERVICE, 245 &conf, 0, 0, 246 &kadm_handle); 247 } else if (mit_flag) { 248 ret = kadm5_mit_init_with_password_ctx(context, 249 client_name, 250 NULL, 251 &conf, 0, 0, 252 &kadm_handle); 253 } else if (ad_flag) { 254 if (client_name == NULL) 255 krb5_errx(context, 1, "keytab mode require principal name"); 256 ret = kadm5_ad_init_with_password_ctx(context, 257 client_name, 258 NULL, 259 KADM5_ADMIN_SERVICE, 260 &conf, 0, 0, 261 &kadm_handle); 262 } else if (keytab) { 263 if (client_name == NULL) 264 krb5_errx(context, 1, "keytab mode require principal name"); 265 ret = kadm5_c_init_with_skey_ctx(context, 266 client_name, 267 keytab, 268 KADM5_ADMIN_SERVICE, 269 &conf, 0, 0, 270 &kadm_handle); 271 } else 272 ret = kadm5_c_init_with_password_ctx(context, 273 client_name, 274 NULL, 275 KADM5_ADMIN_SERVICE, 276 &conf, 0, 0, 277 &kadm_handle); 278 279 if(ret) 280 krb5_err(context, 1, ret, "kadm5_init_with_password"); 281 282 signal(SIGINT, SIG_IGN); /* ignore signals for now, the sl command 283 parser will handle SIGINT its own way; 284 we should really take care of this in 285 each function, f.i `get' might be 286 interruptable, but not `create' */ 287 if (argc != 0) { 288 ret = sl_command (commands, argc, argv); 289 if(ret == -1) 290 krb5_warnx (context, "unrecognized command: %s", argv[0]); 291 else if (ret == -2) 292 ret = 0; 293 if(ret != 0) 294 exit_status = 1; 295 } else { 296 while(!exit_seen) { 297 ret = sl_command_loop(commands, "kadmin> ", NULL); 298 if (ret == -2) 299 exit_seen = 1; 300 else if (ret != 0) 301 exit_status = 1; 302 } 303 } 304 305 kadm5_destroy(kadm_handle); 306 krb5_free_context(context); 307 return exit_status; 308} 309