lib/kadm5/init_s.c

   1 /*
   2  * Copyright (c) 1997 - 2000 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 #include <fcntl.h>
  36
  37
  38 static kadm5_ret_t
  39 kadm5_s_init_with_context(krb5_context context,
  40                           const char *client_name,
  41                           const char *service_name,
  42                           kadm5_config_params *realm_params,
  43                           unsigned long struct_version,
  44                           unsigned long api_version,
  45                           void **server_handle)
  46 {
  47     kadm5_ret_t ret;
  48     kadm5_server_context *ctx = NULL;
  49     char *dbname;
  50     char *stash_file;
  51
  52     *server_handle = NULL;
  53     ret = _kadm5_s_init_context(&ctx, realm_params, context);
  54     if (ret) {
  55         kadm5_s_destroy(ctx);
  56         return ret;
  57     }
  58
  59     if (realm_params->mask & KADM5_CONFIG_DBNAME)
  60         dbname = realm_params->dbname;
  61     else
  62         dbname = ctx->config.dbname;
  63
  64     if (realm_params->mask & KADM5_CONFIG_STASH_FILE)
  65         stash_file = realm_params->stash_file;
  66     else
  67         stash_file = ctx->config.stash_file;
  68
  69     assert(dbname != NULL);
  70     assert(stash_file != NULL);
  71     assert(ctx->config.acl_file != NULL);
  72     assert(ctx->log_context.log_file != NULL);
  73 #ifndef NO_UNIX_SOCKETS
  74     assert(ctx->log_context.socket_name.sun_path[0] != '\0');
  75 #else
  76     assert(ctx->log_context.socket_info != NULL);
  77 #endif
  78
  79     ret = hdb_create(ctx->context, &ctx->db, dbname);
  80     if (ret == 0)
  81         ret = hdb_set_master_keyfile(ctx->context,
  82                                      ctx->db, stash_file);
  83     if (ret) {
  84         kadm5_s_destroy(ctx);
  85         return ret;
  86     }
  87
  88     ctx->log_context.log_fd = -1;
  89
  90 #ifndef NO_UNIX_SOCKETS
  91     ctx->log_context.socket_fd = socket(AF_UNIX, SOCK_DGRAM, 0);
  92 #else
  93     ctx->log_context.socket_fd = socket(ctx->log_context.socket_info->ai_family,
  94                                         ctx->log_context.socket_info->ai_socktype,
  95                                         ctx->log_context.socket_info->ai_protocol);
  96 #endif
  97
  98     if (ctx->log_context.socket_fd != rk_INVALID_SOCKET)
  99         socket_set_nonblocking(ctx->log_context.socket_fd, 1);
 100
 101     ret = krb5_parse_name(ctx->context, client_name, &ctx->caller);
 102     if (ret == 0)
 103         ret = _kadm5_acl_init(ctx);
 104     if (ret)
 105         kadm5_s_destroy(ctx);
 106     else
 107         *server_handle = ctx;
 108     return ret;
 109 }
 110
 111 kadm5_ret_t
 112 kadm5_s_dup_context(void *vin, void **out)
 113 {
 114     kadm5_server_context *in = vin;
 115     kadm5_ret_t ret;
 116     char *p = NULL;
 117
 118     ret = krb5_unparse_name(in->context, in->caller, &p);
 119     if (ret == 0)
 120         ret = kadm5_s_init_with_context(in->context, p, NULL,
 121                                         &in->config, 0, 0, out);
 122     free(p);
 123     return ret;
 124 }
 125
 126 kadm5_ret_t
 127 kadm5_s_init_with_password_ctx(krb5_context context,
 128                                const char *client_name,
 129                                const char *password,
 130                                const char *service_name,
 131                                kadm5_config_params *realm_params,
 132                                unsigned long struct_version,
 133                                unsigned long api_version,
 134                                void **server_handle)
 135 {
 136     return kadm5_s_init_with_context(context,
 137                                      client_name,
 138                                      service_name,
 139                                      realm_params,
 140                                      struct_version,
 141                                      api_version,
 142                                      server_handle);
 143 }
 144
 145 kadm5_ret_t
 146 kadm5_s_init_with_password(const char *client_name,
 147                            const char *password,
 148                            const char *service_name,
 149                            kadm5_config_params *realm_params,
 150                            unsigned long struct_version,
 151                            unsigned long api_version,
 152                            void **server_handle)
 153 {
 154     krb5_context context;
 155     kadm5_ret_t ret;
 156     kadm5_server_context *ctx;
 157
 158     ret = krb5_init_context(&context);
 159     if (ret)
 160         return ret;
 161     ret = kadm5_s_init_with_password_ctx(context,
 162                                          client_name,
 163                                          password,
 164                                          service_name,
 165                                          realm_params,
 166                                          struct_version,
 167                                          api_version,
 168                                          server_handle);
 169     if(ret){
 170         krb5_free_context(context);
 171         return ret;
 172     }
 173     ctx = *server_handle;
 174     ctx->my_context = 1;
 175     return 0;
 176 }
 177
 178 kadm5_ret_t
 179 kadm5_s_init_with_skey_ctx(krb5_context context,
 180                            const char *client_name,
 181                            const char *keytab,
 182                            const char *service_name,
 183                            kadm5_config_params *realm_params,
 184                            unsigned long struct_version,
 185                            unsigned long api_version,
 186                            void **server_handle)
 187 {
 188     return kadm5_s_init_with_context(context,
 189                                      client_name,
 190                                      service_name,
 191                                      realm_params,
 192                                      struct_version,
 193                                      api_version,
 194                                      server_handle);
 195 }
 196
 197 kadm5_ret_t
 198 kadm5_s_init_with_skey(const char *client_name,
 199                        const char *keytab,
 200                        const char *service_name,
 201                        kadm5_config_params *realm_params,
 202                        unsigned long struct_version,
 203                        unsigned long api_version,
 204                        void **server_handle)
 205 {
 206     krb5_context context;
 207     kadm5_ret_t ret;
 208     kadm5_server_context *ctx;
 209
 210     ret = krb5_init_context(&context);
 211     if (ret)
 212         return ret;
 213     ret = kadm5_s_init_with_skey_ctx(context,
 214                                      client_name,
 215                                      keytab,
 216                                      service_name,
 217                                      realm_params,
 218                                      struct_version,
 219                                      api_version,
 220                                      server_handle);
 221     if(ret){
 222         krb5_free_context(context);
 223         return ret;
 224     }
 225     ctx = *server_handle;
 226     ctx->my_context = 1;
 227     return 0;
 228 }
 229
 230 kadm5_ret_t
 231 kadm5_s_init_with_creds_ctx(krb5_context context,
 232                             const char *client_name,
 233                             krb5_ccache ccache,
 234                             const char *service_name,
 235                             kadm5_config_params *realm_params,
 236                             unsigned long struct_version,
 237                             unsigned long api_version,
 238                             void **server_handle)
 239 {
 240     return kadm5_s_init_with_context(context,
 241                                      client_name,
 242                                      service_name,
 243                                      realm_params,
 244                                      struct_version,
 245                                      api_version,
 246                                      server_handle);
 247 }
 248
 249 kadm5_ret_t
 250 kadm5_s_init_with_creds(const char *client_name,
 251                         krb5_ccache ccache,
 252                         const char *service_name,
 253                         kadm5_config_params *realm_params,
 254                         unsigned long struct_version,
 255                         unsigned long api_version,
 256                         void **server_handle)
 257 {
 258     krb5_context context;
 259     kadm5_ret_t ret;
 260     kadm5_server_context *ctx;
 261
 262     ret = krb5_init_context(&context);
 263     if (ret)
 264         return ret;
 265     ret = kadm5_s_init_with_creds_ctx(context,
 266                                       client_name,
 267                                       ccache,
 268                                       service_name,
 269                                       realm_params,
 270                                       struct_version,
 271                                       api_version,
 272                                       server_handle);
 273     if(ret){
 274         krb5_free_context(context);
 275         return ret;
 276     }
 277     ctx = *server_handle;
 278     ctx->my_context = 1;
 279     return 0;
 280 }