crypto/external/bsd/heimdal/dist/kadmin/kadmin.c

   1 /*      $NetBSD: kadmin.c,v 1.1.1.2 2014/04/24 12:45:27 pettai 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", NULL },
  58     {   "keytab",       'K',    arg_string,     &keytab,
  59         "keytab for authentication principal", NULL },
  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         NULL },
  82 #ifdef HAVE_DLOPEN
  83     { "check-library", 0, arg_string, &check_library,
  84       "library to load password check function from", "library" },
  85     { "check-function", 0, arg_string, &check_function,
  86       "password check function to load", "function" },
  87     { "policy-libraries", 0, arg_strings, &policy_libraries,
  88       "password check function to load", "function" },
  89 #endif
  90     {   "local", 'l', arg_flag, &local_flag, "local admin mode", NULL },
  91     {   "help",         'h',    arg_flag,   &help_flag, NULL, NULL },
  92     {   "version",      'v',    arg_flag,   &version_flag, NULL, NULL }
  93 };
  94
  95 static int num_args = sizeof(args) / sizeof(args[0]);
  96
  97
  98 krb5_context context;
  99 void *kadm_handle;
 100
 101 int
 102 help(void *opt, int argc, char **argv)
 103 {
 104     sl_slc_help(commands, argc, argv);
 105     return 0;
 106 }
 107
 108 static int exit_seen = 0;
 109
 110 int
 111 exit_kadmin (void *opt, int argc, char **argv)
 112 {
 113     exit_seen = 1;
 114     return 0;
 115 }
 116
 117 static void
 118 usage(int ret)
 119 {
 120     arg_printusage (args, num_args, NULL, "[command]");
 121     exit (ret);
 122 }
 123
 124 int
 125 get_privs(void *opt, int argc, char **argv)
 126 {
 127     uint32_t privs;
 128     char str[128];
 129     kadm5_ret_t ret;
 130
 131     ret = kadm5_get_privs(kadm_handle, &privs);
 132     if(ret)
 133         krb5_warn(context, ret, "kadm5_get_privs");
 134     else{
 135         ret =_kadm5_privs_to_string(privs, str, sizeof(str));
 136         if (ret == 0)
 137             printf("%s\n", str);
 138         else
 139             printf("privs: 0x%x\n", (unsigned int)privs);
 140     }
 141     return 0;
 142 }
 143
 144 int
 145 main(int argc, char **argv)
 146 {
 147     krb5_error_code ret;
 148     char **files;
 149     kadm5_config_params conf;
 150     int optidx = 0;
 151     int exit_status = 0;
 152
 153     setprogname(argv[0]);
 154
 155     ret = krb5_init_context(&context);
 156     if (ret)
 157         errx (1, "krb5_init_context failed: %d", ret);
 158
 159     if(getarg(args, num_args, argc, argv, &optidx))
 160         usage(1);
 161
 162     if (help_flag)
 163         usage (0);
 164
 165     if (version_flag) {
 166         print_version(NULL);
 167         exit(0);
 168     }
 169
 170     argc -= optidx;
 171     argv += optidx;
 172
 173     if (config_file == NULL) {
 174         asprintf(&config_file, "%s/kdc.conf", hdb_db_dir(context));
 175         if (config_file == NULL)
 176             errx(1, "out of memory");
 177     }
 178
 179     ret = krb5_prepend_config_files_default(config_file, &files);
 180     if (ret)
 181         krb5_err(context, 1, ret, "getting configuration files");
 182
 183     ret = krb5_set_config_files(context, files);
 184     krb5_free_config_files(files);
 185     if(ret)
 186         krb5_err(context, 1, ret, "reading configuration files");
 187
 188     memset(&conf, 0, sizeof(conf));
 189     if(realm) {
 190         krb5_set_default_realm(context, realm); /* XXX should be fixed
 191                                                    some other way */
 192         conf.realm = realm;
 193         conf.mask |= KADM5_CONFIG_REALM;
 194     }
 195
 196     if (admin_server) {
 197         conf.admin_server = admin_server;
 198         conf.mask |= KADM5_CONFIG_ADMIN_SERVER;
 199     }
 200
 201     if (server_port) {
 202         conf.kadmind_port = htons(server_port);
 203         conf.mask |= KADM5_CONFIG_KADMIND_PORT;
 204     }
 205
 206     if (keyfile) {
 207         conf.stash_file = keyfile;
 208         conf.mask |= KADM5_CONFIG_STASH_FILE;
 209     }
 210
 211     if(local_flag) {
 212         int i;
 213
 214         kadm5_setup_passwd_quality_check (context,
 215                                           check_library, check_function);
 216
 217         for (i = 0; i < policy_libraries.num_strings; i++) {
 218             ret = kadm5_add_passwd_quality_verifier(context,
 219                                                     policy_libraries.strings[i]);
 220             if (ret)
 221                 krb5_err(context, 1, ret, "kadm5_add_passwd_quality_verifier");
 222         }
 223         ret = kadm5_add_passwd_quality_verifier(context, NULL);
 224         if (ret)
 225             krb5_err(context, 1, ret, "kadm5_add_passwd_quality_verifier");
 226
 227         ret = kadm5_s_init_with_password_ctx(context,
 228                                              KADM5_ADMIN_SERVICE,
 229                                              NULL,
 230                                              KADM5_ADMIN_SERVICE,
 231                                              &conf, 0, 0,
 232                                              &kadm_handle);
 233     } else if (ad_flag) {
 234         if (client_name == NULL)
 235             krb5_errx(context, 1, "keytab mode require principal name");
 236         ret = kadm5_ad_init_with_password_ctx(context,
 237                                               client_name,
 238                                               NULL,
 239                                               KADM5_ADMIN_SERVICE,
 240                                               &conf, 0, 0,
 241                                               &kadm_handle);
 242     } else if (keytab) {
 243         if (client_name == NULL)
 244             krb5_errx(context, 1, "keytab mode require principal name");
 245         ret = kadm5_c_init_with_skey_ctx(context,
 246                                          client_name,
 247                                          keytab,
 248                                          KADM5_ADMIN_SERVICE,
 249                                          &conf, 0, 0,
 250                                          &kadm_handle);
 251     } else
 252         ret = kadm5_c_init_with_password_ctx(context,
 253                                              client_name,
 254                                              NULL,
 255                                              KADM5_ADMIN_SERVICE,
 256                                              &conf, 0, 0,
 257                                              &kadm_handle);
 258
 259     if(ret)
 260         krb5_err(context, 1, ret, "kadm5_init_with_password");
 261
 262     signal(SIGINT, SIG_IGN); /* ignore signals for now, the sl command
 263                                 parser will handle SIGINT its own way;
 264                                 we should really take care of this in
 265                                 each function, f.i `get' might be
 266                                 interruptable, but not `create' */
 267     if (argc != 0) {
 268         ret = sl_command (commands, argc, argv);
 269         if(ret == -1)
 270             krb5_warnx (context, "unrecognized command: %s", argv[0]);
 271         else if (ret == -2)
 272             ret = 0;
 273         if(ret != 0)
 274             exit_status = 1;
 275     } else {
 276         while(!exit_seen) {
 277             ret = sl_command_loop(commands, "kadmin> ", NULL);
 278             if (ret == -2)
 279                 exit_seen = 1;
 280             else if (ret != 0)
 281                 exit_status = 1;
 282         }
 283     }
 284
 285     kadm5_destroy(kadm_handle);
 286     krb5_free_context(context);
 287     return exit_status;
 288 }