source4/lib/registry/hive.c

   1
   2 /*
   3    Unix SMB/CIFS implementation.
   4    Registry hive interface
   5    Copyright (C) Jelmer Vernooij                                  2003-2007.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #include "includes.h"
  23 #include "registry.h"
  24 #include "system/filesys.h"
  25 #include "param/param.h"
  26
  27 /** Open a registry file/host/etc */
  28 _PUBLIC_ WERROR reg_open_hive(TALLOC_CTX *parent_ctx, const char *location,
  29                               struct auth_session_info *session_info,
  30                               struct cli_credentials *credentials,
  31                               struct tevent_context *ev_ctx,
  32                               struct loadparm_context *lp_ctx,
  33                               struct hive_key **root)
  34 {
  35         int fd, num;
  36         char peek[20];
  37
  38         /* Check for directory */
  39         if (directory_exist(location)) {
  40                 return reg_open_directory(parent_ctx, location, root);
  41         }
  42
  43         fd = open(location, O_RDWR);
  44         if (fd == -1) {
  45                 if (errno == ENOENT)
  46                         return WERR_BADFILE;
  47                 return WERR_BADFILE;
  48         }
  49
  50         num = read(fd, peek, 20);
  51         if (num == -1) {
  52                 return WERR_BADFILE;
  53         }
  54
  55         if (!strncmp(peek, "regf", 4)) {
  56                 close(fd);
  57                 return reg_open_regf_file(parent_ctx, location, lp_iconv_convenience(lp_ctx), root);
  58         } else if (!strncmp(peek, "TDB file", 8)) {
  59                 close(fd);
  60                 return reg_open_ldb_file(parent_ctx, location, session_info,
  61                                          credentials, ev_ctx, lp_ctx, root);
  62         }
  63
  64         return WERR_BADFILE;
  65 }
  66
  67 _PUBLIC_ WERROR hive_key_get_info(TALLOC_CTX *mem_ctx,
  68                                   const struct hive_key *key,
  69                                   const char **classname, uint32_t *num_subkeys,
  70                                   uint32_t *num_values,
  71                                   NTTIME *last_change_time,
  72                                   uint32_t *max_subkeynamelen,
  73                                   uint32_t *max_valnamelen,
  74                                   uint32_t *max_valbufsize)
  75 {
  76         return key->ops->get_key_info(mem_ctx, key, classname, num_subkeys,
  77                                       num_values, last_change_time,
  78                                       max_subkeynamelen,
  79                                       max_valnamelen, max_valbufsize);
  80 }
  81
  82 _PUBLIC_ WERROR hive_key_add_name(TALLOC_CTX *ctx,
  83                                   const struct hive_key *parent_key,
  84                                   const char *name, const char *classname,
  85                                   struct security_descriptor *desc,
  86                                   struct hive_key **key)
  87 {
  88         SMB_ASSERT(strchr(name, '\\') == NULL);
  89
  90         return parent_key->ops->add_key(ctx, parent_key, name, classname,
  91                                         desc, key);
  92 }
  93
  94 _PUBLIC_ WERROR hive_key_del(TALLOC_CTX *mem_ctx, const struct hive_key *key,
  95                              const char *name)
  96 {
  97         return key->ops->del_key(mem_ctx, key, name);
  98 }
  99
 100 _PUBLIC_ WERROR hive_get_key_by_name(TALLOC_CTX *mem_ctx,
 101                                      const struct hive_key *key,
 102                                      const char *name,
 103                                      struct hive_key **subkey)
 104 {
 105         return key->ops->get_key_by_name(mem_ctx, key, name, subkey);
 106 }
 107
 108 WERROR hive_enum_key(TALLOC_CTX *mem_ctx,
 109                      const struct hive_key *key, uint32_t idx,
 110                      const char **name,
 111                      const char **classname,
 112                      NTTIME *last_mod_time)
 113 {
 114         return key->ops->enum_key(mem_ctx, key, idx, name, classname,
 115                                   last_mod_time);
 116 }
 117
 118 WERROR hive_key_set_value(struct hive_key *key, const char *name, uint32_t type,
 119                                           const DATA_BLOB data)
 120 {
 121         if (key->ops->set_value == NULL)
 122                 return WERR_NOT_SUPPORTED;
 123
 124         return key->ops->set_value(key, name, type, data);
 125 }
 126
 127 WERROR hive_get_value(TALLOC_CTX *mem_ctx,
 128                       struct hive_key *key, const char *name,
 129                       uint32_t *type, DATA_BLOB *data)
 130 {
 131         if (key->ops->get_value_by_name == NULL)
 132                 return WERR_NOT_SUPPORTED;
 133
 134         return key->ops->get_value_by_name(mem_ctx, key, name, type, data);
 135 }
 136
 137 WERROR hive_get_value_by_index(TALLOC_CTX *mem_ctx,
 138                                struct hive_key *key, uint32_t idx,
 139                                const char **name,
 140                                uint32_t *type, DATA_BLOB *data)
 141 {
 142         if (key->ops->enum_value == NULL)
 143                 return WERR_NOT_SUPPORTED;
 144
 145         return key->ops->enum_value(mem_ctx, key, idx, name, type, data);
 146 }
 147
 148 WERROR hive_get_sec_desc(TALLOC_CTX *mem_ctx,
 149                          struct hive_key *key,
 150                          struct security_descriptor **security)
 151 {
 152         if (key->ops->get_sec_desc == NULL)
 153                 return WERR_NOT_SUPPORTED;
 154
 155         return key->ops->get_sec_desc(mem_ctx, key, security);
 156 }
 157
 158 WERROR hive_set_sec_desc(struct hive_key *key,
 159                          const struct security_descriptor *security)
 160 {
 161         if (key->ops->set_sec_desc == NULL)
 162                 return WERR_NOT_SUPPORTED;
 163
 164         return key->ops->set_sec_desc(key, security);
 165 }
 166
 167 WERROR hive_key_del_value(TALLOC_CTX *mem_ctx, struct hive_key *key,
 168                           const char *name)
 169 {
 170         if (key->ops->delete_value == NULL)
 171                 return WERR_NOT_SUPPORTED;
 172
 173         return key->ops->delete_value(mem_ctx, key, name);
 174 }
 175
 176 WERROR hive_key_flush(struct hive_key *key)
 177 {
 178         if (key->ops->flush_key == NULL)
 179                 return WERR_OK;
 180
 181         return key->ops->flush_key(key);
 182 }