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 RCSID("$Id$");
  38
  39 #ifndef O_NONBLOCK
  40 #define NBLK FNDELAY
  41 #else
  42 #define NBLK O_NONBLOCK
  43 #endif
  44
  45 static int non_blocking(int fd, int on)
  46 {
  47     int     flags;
  48
  49     if ((flags = fcntl(fd, F_GETFL, 0)) < 0)
  50         return -1;
  51     if (fcntl(fd, F_SETFL, on ? flags | NBLK : flags & ~NBLK) < 0)
  52         return -1;
  53     return ((flags & NBLK) != 0);
  54 }
  55
  56
  57 static kadm5_ret_t
  58 kadm5_s_init_with_context(krb5_context context,
  59                           const char *client_name,
  60                           const char *service_name,
  61                           kadm5_config_params *realm_params,
  62                           unsigned long struct_version,
  63                           unsigned long api_version,
  64                           void **server_handle)
  65 {
  66     kadm5_ret_t ret;
  67     kadm5_server_context *ctx;
  68     char *dbname;
  69     char *stash_file;
  70
  71     ret = _kadm5_s_init_context(&ctx, realm_params, context);
  72     if(ret)
  73         return ret;
  74
  75     if (realm_params->mask & KADM5_CONFIG_DBNAME)
  76         dbname = realm_params->dbname;
  77     else
  78         dbname = ctx->config.dbname;
  79
  80     if (realm_params->mask & KADM5_CONFIG_STASH_FILE)
  81         stash_file = realm_params->stash_file;
  82     else
  83         stash_file = ctx->config.stash_file;
  84
  85     assert(dbname != NULL);
  86     assert(stash_file != NULL);
  87     assert(ctx->config.acl_file != NULL);
  88     assert(ctx->log_context.log_file != NULL);
  89 #ifndef NO_UNIX_SOCKETS
  90     assert(ctx->log_context.socket_name.sun_path[0] != '\0');
  91 #else
  92     assert(ctx->log_context.socket_info != NULL);
  93 #endif
  94
  95     ret = hdb_create(ctx->context, &ctx->db, dbname);
  96     if(ret)
  97         return ret;
  98     ret = hdb_set_master_keyfile (ctx->context,
  99                                   ctx->db, stash_file);
 100     if(ret)
 101         return ret;
 102
 103     ctx->log_context.log_fd   = -1;
 104
 105 #ifndef NO_UNIX_SOCKETS
 106     ctx->log_context.socket_fd = socket (AF_UNIX, SOCK_DGRAM, 0);
 107 #else
 108     ctx->log_context.socket_fd = socket (ctx->log_context.socket_info->ai_family,
 109                                          ctx->log_context.socket_info->ai_socktype,
 110                                          ctx->log_context.socket_info->ai_protocol);
 111 #endif
 112
 113     non_blocking(ctx->log_context.socket_fd, 1);
 114
 115     ret = krb5_parse_name(ctx->context, client_name, &ctx->caller);
 116     if(ret)
 117         return ret;
 118
 119     ret = _kadm5_acl_init(ctx);
 120     if(ret)
 121         return ret;
 122
 123     *server_handle = ctx;
 124     return 0;
 125 }
 126
 127 kadm5_ret_t
 128 kadm5_s_init_with_password_ctx(krb5_context context,
 129                                const char *client_name,
 130                                const char *password,
 131                                const char *service_name,
 132                                kadm5_config_params *realm_params,
 133                                unsigned long struct_version,
 134                                unsigned long api_version,
 135                                void **server_handle)
 136 {
 137     return kadm5_s_init_with_context(context,
 138                                      client_name,
 139                                      service_name,
 140                                      realm_params,
 141                                      struct_version,
 142                                      api_version,
 143                                      server_handle);
 144 }
 145
 146 kadm5_ret_t
 147 kadm5_s_init_with_password(const char *client_name,
 148                            const char *password,
 149                            const char *service_name,
 150                            kadm5_config_params *realm_params,
 151                            unsigned long struct_version,
 152                            unsigned long api_version,
 153                            void **server_handle)
 154 {
 155     krb5_context context;
 156     kadm5_ret_t ret;
 157     kadm5_server_context *ctx;
 158
 159     ret = krb5_init_context(&context);
 160     if (ret)
 161         return ret;
 162     ret = kadm5_s_init_with_password_ctx(context,
 163                                          client_name,
 164                                          password,
 165                                          service_name,
 166                                          realm_params,
 167                                          struct_version,
 168                                          api_version,
 169                                          server_handle);
 170     if(ret){
 171         krb5_free_context(context);
 172         return ret;
 173     }
 174     ctx = *server_handle;
 175     ctx->my_context = 1;
 176     return 0;
 177 }
 178
 179 kadm5_ret_t
 180 kadm5_s_init_with_skey_ctx(krb5_context context,
 181                            const char *client_name,
 182                            const char *keytab,
 183                            const char *service_name,
 184                            kadm5_config_params *realm_params,
 185                            unsigned long struct_version,
 186                            unsigned long api_version,
 187                            void **server_handle)
 188 {
 189     return kadm5_s_init_with_context(context,
 190                                      client_name,
 191                                      service_name,
 192                                      realm_params,
 193                                      struct_version,
 194                                      api_version,
 195                                      server_handle);
 196 }
 197
 198 kadm5_ret_t
 199 kadm5_s_init_with_skey(const char *client_name,
 200                        const char *keytab,
 201                        const char *service_name,
 202                        kadm5_config_params *realm_params,
 203                        unsigned long struct_version,
 204                        unsigned long api_version,
 205                        void **server_handle)
 206 {
 207     krb5_context context;
 208     kadm5_ret_t ret;
 209     kadm5_server_context *ctx;
 210
 211     ret = krb5_init_context(&context);
 212     if (ret)
 213         return ret;
 214     ret = kadm5_s_init_with_skey_ctx(context,
 215                                      client_name,
 216                                      keytab,
 217                                      service_name,
 218                                      realm_params,
 219                                      struct_version,
 220                                      api_version,
 221                                      server_handle);
 222     if(ret){
 223         krb5_free_context(context);
 224         return ret;
 225     }
 226     ctx = *server_handle;
 227     ctx->my_context = 1;
 228     return 0;
 229 }
 230
 231 kadm5_ret_t
 232 kadm5_s_init_with_creds_ctx(krb5_context context,
 233                             const char *client_name,
 234                             krb5_ccache ccache,
 235                             const char *service_name,
 236                             kadm5_config_params *realm_params,
 237                             unsigned long struct_version,
 238                             unsigned long api_version,
 239                             void **server_handle)
 240 {
 241     return kadm5_s_init_with_context(context,
 242                                      client_name,
 243                                      service_name,
 244                                      realm_params,
 245                                      struct_version,
 246                                      api_version,
 247                                      server_handle);
 248 }
 249
 250 kadm5_ret_t
 251 kadm5_s_init_with_creds(const char *client_name,
 252                         krb5_ccache ccache,
 253                         const char *service_name,
 254                         kadm5_config_params *realm_params,
 255                         unsigned long struct_version,
 256                         unsigned long api_version,
 257                         void **server_handle)
 258 {
 259     krb5_context context;
 260     kadm5_ret_t ret;
 261     kadm5_server_context *ctx;
 262
 263     ret = krb5_init_context(&context);
 264     if (ret)
 265         return ret;
 266     ret = kadm5_s_init_with_creds_ctx(context,
 267                                       client_name,
 268                                       ccache,
 269                                       service_name,
 270                                       realm_params,
 271                                       struct_version,
 272                                       api_version,
 273                                       server_handle);
 274     if(ret){
 275         krb5_free_context(context);
 276         return ret;
 277     }
 278     ctx = *server_handle;
 279     ctx->my_context = 1;
 280     return 0;
 281 }