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         fd = open(location, O_RDWR);
  39         if (fd == -1) {
  40                 if (errno == ENOENT)
  41                         return WERR_BADFILE;
  42                 return WERR_BADFILE;
  43         }
  44
  45         num = read(fd, peek, 20);
  46         close(fd);
  47         if (num == -1) {
  48                 return WERR_BADFILE;
  49         }
  50
  51         if (!strncmp(peek, "regf", 4)) {
  52                 return reg_open_regf_file(parent_ctx, location, root);
  53         } else if (!strncmp(peek, "TDB file", 8)) {
  54                 return reg_open_ldb_file(parent_ctx, location, session_info,
  55                                          credentials, ev_ctx, lp_ctx, root);
  56         }
  57
  58         return WERR_BADFILE;
  59 }
  60
  61 _PUBLIC_ WERROR hive_key_get_info(TALLOC_CTX *mem_ctx,
  62                                   const struct hive_key *key,
  63                                   const char **classname, uint32_t *num_subkeys,
  64                                   uint32_t *num_values,
  65                                   NTTIME *last_change_time,
  66                                   uint32_t *max_subkeynamelen,
  67                                   uint32_t *max_valnamelen,
  68                                   uint32_t *max_valbufsize)
  69 {
  70         return key->ops->get_key_info(mem_ctx, key, classname, num_subkeys,
  71                                       num_values, last_change_time,
  72                                       max_subkeynamelen,
  73                                       max_valnamelen, max_valbufsize);
  74 }
  75
  76 _PUBLIC_ WERROR hive_key_add_name(TALLOC_CTX *ctx,
  77                                   const struct hive_key *parent_key,
  78                                   const char *name, const char *classname,
  79                                   struct security_descriptor *desc,
  80                                   struct hive_key **key)
  81 {
  82         SMB_ASSERT(strchr(name, '\\') == NULL);
  83
  84         return parent_key->ops->add_key(ctx, parent_key, name, classname,
  85                                         desc, key);
  86 }
  87
  88 _PUBLIC_ WERROR hive_key_del(TALLOC_CTX *mem_ctx, const struct hive_key *key,
  89                              const char *name)
  90 {
  91         return key->ops->del_key(mem_ctx, key, name);
  92 }
  93
  94 _PUBLIC_ WERROR hive_get_key_by_name(TALLOC_CTX *mem_ctx,
  95                                      const struct hive_key *key,
  96                                      const char *name,
  97                                      struct hive_key **subkey)
  98 {
  99         return key->ops->get_key_by_name(mem_ctx, key, name, subkey);
 100 }
 101
 102 WERROR hive_enum_key(TALLOC_CTX *mem_ctx,
 103                      const struct hive_key *key, uint32_t idx,
 104                      const char **name,
 105                      const char **classname,
 106                      NTTIME *last_mod_time)
 107 {
 108         return key->ops->enum_key(mem_ctx, key, idx, name, classname,
 109                                   last_mod_time);
 110 }
 111
 112 WERROR hive_key_set_value(struct hive_key *key, const char *name, uint32_t type,
 113                                           const DATA_BLOB data)
 114 {
 115         if (key->ops->set_value == NULL)
 116                 return WERR_NOT_SUPPORTED;
 117
 118         return key->ops->set_value(key, name, type, data);
 119 }
 120
 121 WERROR hive_get_value(TALLOC_CTX *mem_ctx,
 122                       struct hive_key *key, const char *name,
 123                       uint32_t *type, DATA_BLOB *data)
 124 {
 125         if (key->ops->get_value_by_name == NULL)
 126                 return WERR_NOT_SUPPORTED;
 127
 128         return key->ops->get_value_by_name(mem_ctx, key, name, type, data);
 129 }
 130
 131 WERROR hive_get_value_by_index(TALLOC_CTX *mem_ctx,
 132                                struct hive_key *key, uint32_t idx,
 133                                const char **name,
 134                                uint32_t *type, DATA_BLOB *data)
 135 {
 136         if (key->ops->enum_value == NULL)
 137                 return WERR_NOT_SUPPORTED;
 138
 139         return key->ops->enum_value(mem_ctx, key, idx, name, type, data);
 140 }
 141
 142 WERROR hive_get_sec_desc(TALLOC_CTX *mem_ctx,
 143                          struct hive_key *key,
 144                          struct security_descriptor **security)
 145 {
 146         if (key->ops->get_sec_desc == NULL)
 147                 return WERR_NOT_SUPPORTED;
 148
 149         return key->ops->get_sec_desc(mem_ctx, key, security);
 150 }
 151
 152 WERROR hive_set_sec_desc(struct hive_key *key,
 153                          const struct security_descriptor *security)
 154 {
 155         if (key->ops->set_sec_desc == NULL)
 156                 return WERR_NOT_SUPPORTED;
 157
 158         return key->ops->set_sec_desc(key, security);
 159 }
 160
 161 WERROR hive_key_del_value(TALLOC_CTX *mem_ctx, struct hive_key *key,
 162                           const char *name)
 163 {
 164         if (key->ops->delete_value == NULL)
 165                 return WERR_NOT_SUPPORTED;
 166
 167         return key->ops->delete_value(mem_ctx, key, name);
 168 }
 169
 170 WERROR hive_key_flush(struct hive_key *key)
 171 {
 172         if (key->ops->flush_key == NULL)
 173                 return WERR_OK;
 174
 175         return key->ops->flush_key(key);
 176 }