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 2 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 "hive.h"
  24 #include "system/filesys.h"
  25
  26 /** Open a registry file/host/etc */
  27 _PUBLIC_ WERROR reg_open_hive(TALLOC_CTX *parent_ctx, const char *location,
  28                               struct auth_session_info *session_info,
  29                               struct cli_credentials *credentials,
  30                               struct hive_key **root)
  31 {
  32         int fd, num;
  33         char peek[20];
  34
  35         /* Check for directory */
  36         if (directory_exist(location)) {
  37                 return reg_open_directory(parent_ctx, location, root);
  38         }
  39
  40         fd = open(location, O_RDWR);
  41         if (fd == -1) {
  42                 if (errno == ENOENT)
  43                         return WERR_NOT_FOUND;
  44                 return WERR_BADFILE;
  45         }
  46
  47         num = read(fd, peek, 20);
  48         if (num == -1) {
  49                 return WERR_BADFILE;
  50         }
  51
  52         if (!strncmp(peek, "regf", 4)) {
  53                 close(fd);
  54                 return reg_open_regf_file(parent_ctx, location, root);
  55         } else if (!strncmp(peek, "TDB file", 8)) {
  56                 close(fd);
  57                 return reg_open_ldb_file(parent_ctx, location, session_info,
  58                                          credentials, root);
  59         }
  60
  61         return WERR_BADFILE;
  62 }
  63
  64 _PUBLIC_ WERROR hive_key_get_info(TALLOC_CTX *mem_ctx,
  65                                   const struct hive_key *key,
  66                                   const char **classname, uint32_t *num_subkeys,
  67                                   uint32_t *num_values,
  68                                   NTTIME *last_change_time)
  69 {
  70         return key->ops->get_key_info(mem_ctx, key, classname, num_subkeys,
  71                                       num_values, last_change_time);
  72 }
  73
  74 _PUBLIC_ WERROR hive_key_add_name(TALLOC_CTX *ctx,
  75                                   const struct hive_key *parent_key,
  76                                   const char *name, const char *classname,
  77                                   struct security_descriptor *desc,
  78                                   struct hive_key **key)
  79 {
  80         SMB_ASSERT(strchr(name, '\\') == NULL);
  81
  82         return parent_key->ops->add_key(ctx, parent_key, name, classname,
  83                                         desc, key);
  84 }
  85
  86 _PUBLIC_ WERROR hive_key_del(const struct hive_key *key, const char *name)
  87 {
  88         return key->ops->del_key(key, name);
  89 }
  90
  91 _PUBLIC_ WERROR hive_get_key_by_name(TALLOC_CTX *mem_ctx,
  92                                      const struct hive_key *key,
  93                                      const char *name,
  94                                      struct hive_key **subkey)
  95 {
  96         return key->ops->get_key_by_name(mem_ctx, key, name, subkey);
  97 }
  98
  99 WERROR hive_enum_key(TALLOC_CTX *mem_ctx,
 100                      const struct hive_key *key, uint32_t idx,
 101                      const char **name,
 102                      const char **classname,
 103                      NTTIME *last_mod_time)
 104 {
 105         return key->ops->enum_key(mem_ctx, key, idx, name, classname,
 106                                   last_mod_time);
 107 }
 108
 109 WERROR hive_set_value(struct hive_key *key, const char *name, uint32_t type,
 110                                           const DATA_BLOB data)
 111 {
 112         if (key->ops->set_value == NULL)
 113                 return WERR_NOT_SUPPORTED;
 114
 115         return key->ops->set_value(key, name, type, data);
 116 }
 117
 118 WERROR hive_get_value(TALLOC_CTX *mem_ctx,
 119                       struct hive_key *key, const char *name,
 120                       uint32_t *type, DATA_BLOB *data)
 121 {
 122         if (key->ops->get_value_by_name == NULL)
 123                 return WERR_NOT_SUPPORTED;
 124
 125         return key->ops->get_value_by_name(mem_ctx, key, name, type, data);
 126 }
 127
 128 WERROR hive_get_value_by_index(TALLOC_CTX *mem_ctx,
 129                                struct hive_key *key, uint32_t idx,
 130                                const char **name,
 131                                uint32_t *type, DATA_BLOB *data)
 132 {
 133         if (key->ops->enum_value == NULL)
 134                 return WERR_NOT_SUPPORTED;
 135
 136         return key->ops->enum_value(mem_ctx, key, idx, name, type, data);
 137 }
 138
 139
 140 WERROR hive_del_value(struct hive_key *key, const char *name)
 141 {
 142         if (key->ops->delete_value == NULL)
 143                 return WERR_NOT_SUPPORTED;
 144
 145         return key->ops->delete_value(key, name);
 146 }
 147
 148 WERROR hive_key_flush(struct hive_key *key)
 149 {
 150         if (key->ops->flush_key == NULL)
 151                 return WERR_OK;
 152
 153         return key->ops->flush_key(key);
 154 }