crypto/external/bsd/heimdal/dist/lib/kadm5/context_s.c

   1 /*      $NetBSD: context_s.c,v 1.1.1.2 2014/04/24 12:45:48 pettai Exp $ */
   2
   3 /*
   4  * Copyright (c) 1997 - 2002 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 "kadm5_locl.h"
  37
  38 __RCSID("NetBSD");
  39
  40 static void
  41 set_funcs(kadm5_server_context *c)
  42 {
  43 #define SET(C, F) (C)->funcs.F = kadm5_s_ ## F
  44     SET(c, chpass_principal);
  45     SET(c, chpass_principal_with_key);
  46     SET(c, create_principal);
  47     SET(c, delete_principal);
  48     SET(c, destroy);
  49     SET(c, flush);
  50     SET(c, get_principal);
  51     SET(c, get_principals);
  52     SET(c, get_privs);
  53     SET(c, modify_principal);
  54     SET(c, randkey_principal);
  55     SET(c, rename_principal);
  56 }
  57
  58 #ifndef NO_UNIX_SOCKETS
  59
  60 static void
  61 set_socket_name(krb5_context context, struct sockaddr_un *un)
  62 {
  63     const char *fn = kadm5_log_signal_socket(context);
  64
  65     memset(un, 0, sizeof(*un));
  66     un->sun_family = AF_UNIX;
  67     strlcpy (un->sun_path, fn, sizeof(un->sun_path));
  68
  69 }
  70 #else
  71
  72 static void
  73 set_socket_info(krb5_context context, struct addrinfo **info)
  74 {
  75     kadm5_log_signal_socket_info(context, 0, info);
  76 }
  77
  78 #endif
  79
  80 static kadm5_ret_t
  81 find_db_spec(kadm5_server_context *ctx)
  82 {
  83     krb5_context context = ctx->context;
  84     struct hdb_dbinfo *info, *d;
  85     krb5_error_code ret;
  86
  87     if (ctx->config.realm) {
  88         /* fetch the databases */
  89         ret = hdb_get_dbinfo(context, &info);
  90         if (ret)
  91             return ret;
  92
  93         d = NULL;
  94         while ((d = hdb_dbinfo_get_next(info, d)) != NULL) {
  95             const char *p = hdb_dbinfo_get_realm(context, d);
  96
  97             /* match default (realm-less) */
  98             if(p != NULL && strcmp(ctx->config.realm, p) != 0)
  99                 continue;
 100
 101             p = hdb_dbinfo_get_dbname(context, d);
 102             if (p)
 103                 ctx->config.dbname = strdup(p);
 104
 105             p = hdb_dbinfo_get_acl_file(context, d);
 106             if (p)
 107                 ctx->config.acl_file = strdup(p);
 108
 109             p = hdb_dbinfo_get_mkey_file(context, d);
 110             if (p)
 111                 ctx->config.stash_file = strdup(p);
 112
 113             p = hdb_dbinfo_get_log_file(context, d);
 114             if (p)
 115                 ctx->log_context.log_file = strdup(p);
 116             break;
 117         }
 118         hdb_free_dbinfo(context, &info);
 119     }
 120
 121     /* If any of the values was unset, pick up the default value */
 122
 123     if (ctx->config.dbname == NULL)
 124         ctx->config.dbname = strdup(hdb_default_db(context));
 125     if (ctx->config.acl_file == NULL)
 126         asprintf(&ctx->config.acl_file, "%s/kadmind.acl", hdb_db_dir(context));
 127     if (ctx->config.stash_file == NULL)
 128         asprintf(&ctx->config.stash_file, "%s/m-key", hdb_db_dir(context));
 129     if (ctx->log_context.log_file == NULL)
 130         asprintf(&ctx->log_context.log_file, "%s/log", hdb_db_dir(context));
 131
 132 #ifndef NO_UNIX_SOCKETS
 133     set_socket_name(context, &ctx->log_context.socket_name);
 134 #else
 135     set_socket_info(context, &ctx->log_context.socket_info);
 136 #endif
 137
 138     return 0;
 139 }
 140
 141 kadm5_ret_t
 142 _kadm5_s_init_context(kadm5_server_context **ctx,
 143                       kadm5_config_params *params,
 144                       krb5_context context)
 145 {
 146     *ctx = malloc(sizeof(**ctx));
 147     if(*ctx == NULL)
 148         return ENOMEM;
 149     memset(*ctx, 0, sizeof(**ctx));
 150     set_funcs(*ctx);
 151     (*ctx)->context = context;
 152     krb5_add_et_list (context, initialize_kadm5_error_table_r);
 153 #define is_set(M) (params && params->mask & KADM5_CONFIG_ ## M)
 154     if(is_set(REALM))
 155         (*ctx)->config.realm = strdup(params->realm);
 156     else
 157         krb5_get_default_realm(context, &(*ctx)->config.realm);
 158     if(is_set(DBNAME))
 159         (*ctx)->config.dbname = strdup(params->dbname);
 160     if(is_set(ACL_FILE))
 161         (*ctx)->config.acl_file = strdup(params->acl_file);
 162     if(is_set(STASH_FILE))
 163         (*ctx)->config.stash_file = strdup(params->stash_file);
 164
 165     find_db_spec(*ctx);
 166
 167     /* PROFILE can't be specified for now */
 168     /* KADMIND_PORT is supposed to be used on the server also,
 169        but this doesn't make sense */
 170     /* ADMIN_SERVER is client only */
 171     /* ADNAME is not used at all (as far as I can tell) */
 172     /* ADB_LOCKFILE ditto */
 173     /* DICT_FILE */
 174     /* ADMIN_KEYTAB */
 175     /* MKEY_FROM_KEYBOARD is not supported */
 176     /* MKEY_NAME neither */
 177     /* ENCTYPE */
 178     /* MAX_LIFE */
 179     /* MAX_RLIFE */
 180     /* EXPIRATION */
 181     /* FLAGS */
 182     /* ENCTYPES */
 183
 184     return 0;
 185 }
 186
 187 HDB *
 188 _kadm5_s_get_db(void *server_handle)
 189 {
 190     kadm5_server_context *context = server_handle;
 191     return context->db;
 192 }