1 /* 2 * Copyright (c) 1997 - 2002 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 "kadm5_locl.h" 35 36 RCSID("$Id$"); 37 38 static void 39 set_funcs(kadm5_server_context *c) 40 { 41 #define SET(C, F) (C)->funcs.F = kadm5_s_ ## F 42 SET(c, chpass_principal); 43 SET(c, chpass_principal_with_key); 44 SET(c, create_principal); 45 SET(c, delete_principal); 46 SET(c, destroy); 47 SET(c, flush); 48 SET(c, get_principal); 49 SET(c, get_principals); 50 SET(c, get_privs); 51 SET(c, modify_principal); 52 SET(c, randkey_principal); 53 SET(c, rename_principal); 54 } 55 56 #ifndef NO_UNIX_SOCKETS 57 58 static void 59 set_socket_name(krb5_context context, struct sockaddr_un *un) 60 { 61 const char *fn = kadm5_log_signal_socket(context); 62 63 memset(un, 0, sizeof(*un)); 64 un->sun_family = AF_UNIX; 65 strlcpy (un->sun_path, fn, sizeof(un->sun_path)); 66 67 } 68 #else 69 70 static void 71 set_socket_info(krb5_context context, struct addrinfo **info) 72 { 73 kadm5_log_signal_socket_info(context, 0, info); 74 } 75 76 #endif 77 78 static kadm5_ret_t 79 find_db_spec(kadm5_server_context *ctx) 80 { 81 krb5_context context = ctx->context; 82 struct hdb_dbinfo *info, *d; 83 krb5_error_code ret; 84 85 if (ctx->config.realm) { 86 /* fetch the databases */ 87 ret = hdb_get_dbinfo(context, &info); 88 if (ret) 89 return ret; 90 91 d = NULL; 92 while ((d = hdb_dbinfo_get_next(info, d)) != NULL) { 93 const char *p = hdb_dbinfo_get_realm(context, d); 94 95 /* match default (realm-less) */ 96 if(p != NULL && strcmp(ctx->config.realm, p) != 0) 97 continue; 98 99 p = hdb_dbinfo_get_dbname(context, d); 100 if (p) 101 ctx->config.dbname = strdup(p); 102 103 p = hdb_dbinfo_get_acl_file(context, d); 104 if (p) 105 ctx->config.acl_file = strdup(p); 106 107 p = hdb_dbinfo_get_mkey_file(context, d); 108 if (p) 109 ctx->config.stash_file = strdup(p); 110 111 p = hdb_dbinfo_get_log_file(context, d); 112 if (p) 113 ctx->log_context.log_file = strdup(p); 114 break; 115 } 116 hdb_free_dbinfo(context, &info); 117 } 118 119 /* If any of the values was unset, pick up the default value */ 120 121 if (ctx->config.dbname == NULL) 122 ctx->config.dbname = strdup(hdb_default_db(context)); 123 if (ctx->config.acl_file == NULL) 124 asprintf(&ctx->config.acl_file, "%s/kadmind.acl", hdb_db_dir(context)); 125 if (ctx->config.stash_file == NULL) 126 asprintf(&ctx->config.stash_file, "%s/m-key", hdb_db_dir(context)); 127 if (ctx->log_context.log_file == NULL) 128 asprintf(&ctx->log_context.log_file, "%s/log", hdb_db_dir(context)); 129 130 #ifndef NO_UNIX_SOCKETS 131 set_socket_name(context, &ctx->log_context.socket_name); 132 #else 133 set_socket_info(context, &ctx->log_context.socket_info); 134 #endif 135 136 return 0; 137 } 138 139 kadm5_ret_t 140 _kadm5_s_init_context(kadm5_server_context **ctx, 141 kadm5_config_params *params, 142 krb5_context context) 143 { 144 *ctx = malloc(sizeof(**ctx)); 145 if(*ctx == NULL) 146 return ENOMEM; 147 memset(*ctx, 0, sizeof(**ctx)); 148 set_funcs(*ctx); 149 (*ctx)->context = context; 150 krb5_add_et_list (context, initialize_kadm5_error_table_r); 151 #define is_set(M) (params && params->mask & KADM5_CONFIG_ ## M) 152 if(is_set(REALM)) 153 (*ctx)->config.realm = strdup(params->realm); 154 else 155 krb5_get_default_realm(context, &(*ctx)->config.realm); 156 if(is_set(DBNAME)) 157 (*ctx)->config.dbname = strdup(params->dbname); 158 if(is_set(ACL_FILE)) 159 (*ctx)->config.acl_file = strdup(params->acl_file); 160 if(is_set(STASH_FILE)) 161 (*ctx)->config.stash_file = strdup(params->stash_file); 162 163 find_db_spec(*ctx); 164 165 /* PROFILE can't be specified for now */ 166 /* KADMIND_PORT is supposed to be used on the server also, 167 but this doesn't make sense */ 168 /* ADMIN_SERVER is client only */ 169 /* ADNAME is not used at all (as far as I can tell) */ 170 /* ADB_LOCKFILE ditto */ 171 /* DICT_FILE */ 172 /* ADMIN_KEYTAB */ 173 /* MKEY_FROM_KEYBOARD is not supported */ 174 /* MKEY_NAME neither */ 175 /* ENCTYPE */ 176 /* MAX_LIFE */ 177 /* MAX_RLIFE */ 178 /* EXPIRATION */ 179 /* FLAGS */ 180 /* ENCTYPES */ 181 182 return 0; 183 } 184 185 HDB * 186 _kadm5_s_get_db(void *server_handle) 187 { 188 kadm5_server_context *context = server_handle; 189 return context->db; 190 } 191