/*
Unix SMB/CIFS implementation.
Registry interface
- Copyright (C) Jelmer Vernooij 2004-2007.
+ Copyright (C) 2004-2007, Jelmer Vernooij, jelmer@samba.org
+ Copyright (C) 2008 Matthias Dieter Wallnöfer, mwallnoefer@yahoo.de
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
int subkey_count, value_count;
};
-static void reg_ldb_unpack_value(TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+static void reg_ldb_unpack_value(TALLOC_CTX *mem_ctx,
+ struct smb_iconv_convenience *iconv_convenience,
+ struct ldb_message *msg,
const char **name, uint32_t *type,
DATA_BLOB *data)
{
const struct ldb_val *val;
+ uint32_t value_type;
+
if (name != NULL)
*name = talloc_strdup(mem_ctx,
ldb_msg_find_attr_as_string(msg, "value",
NULL));
- if (type != NULL)
- *type = ldb_msg_find_attr_as_uint(msg, "type", 0);
+ value_type = ldb_msg_find_attr_as_uint(msg, "type", 0);
+ *type = value_type;
+
val = ldb_msg_find_ldb_val(msg, "data");
- switch (*type)
+ switch (value_type)
{
case REG_SZ:
case REG_EXPAND_SZ:
- data->length = convert_string_talloc(mem_ctx, lp_iconv_convenience(global_loadparm), CH_UTF8, CH_UTF16,
+ if (val != NULL)
+ data->length = convert_string_talloc(mem_ctx, iconv_convenience, CH_UTF8, CH_UTF16,
val->data, val->length,
(void **)&data->data);
+ else {
+ data->data = NULL;
+ data->length = 0;
+ }
+ break;
+
+ case REG_BINARY:
+ if (val != NULL)
+ *data = data_blob_talloc(mem_ctx, val->data, val->length);
+ else {
+ data->data = NULL;
+ data->length = 0;
+ }
break;
case REG_DWORD: {
switch (type) {
case REG_SZ:
case REG_EXPAND_SZ:
- val.length = convert_string_talloc(mem_ctx, lp_iconv_convenience(global_loadparm), CH_UTF16, CH_UNIX,
+ if (data.data[0] != '\0') {
+ val.length = convert_string_talloc(mem_ctx, lp_iconv_convenience(global_loadparm), CH_UTF16, CH_UTF8,
(void *)data.data,
data.length,
(void **)&val.data);
- ldb_msg_add_value(msg, "data", &val, NULL);
+ ldb_msg_add_value(msg, "data", &val, NULL);
+ } else {
+ ldb_msg_add_empty(msg, "data", LDB_FLAG_MOD_DELETE, NULL);
+ }
+ break;
+
+ case REG_BINARY:
+ if (data.length > 0)
+ ldb_msg_add_value(msg, "data", &data, NULL);
+ else
+ ldb_msg_add_empty(msg, "data", LDB_FLAG_MOD_DELETE, NULL);
break;
case REG_DWORD:
return msg;
}
+static char *reg_ldb_escape(TALLOC_CTX *mem_ctx, const char *value)
+{
+ struct ldb_val val;
+
+ val.data = discard_const_p(uint8_t, value);
+ val.length = strlen(value);
+
+ return ldb_dn_escape_value(mem_ctx, val);
+}
static int reg_close_ldb_key(struct ldb_key_data *key)
{
else keyname = mypath;
if(strlen(keyname)) {
- ldb_dn_add_base_fmt(ret, "key=%s", keyname);
+ if (!ldb_dn_add_base_fmt(ret, "key=%s",
+ reg_ldb_escape(local_ctx,
+ keyname)))
+ {
+ talloc_free(local_ctx);
+ return NULL;
+ }
}
if(begin) {
struct ldb_result *res;
int ret;
- ret = ldb_search(c, kd->dn, LDB_SCOPE_ONELEVEL, "(key=*)", NULL, &res);
+ ret = ldb_search(c, c, &res, kd->dn, LDB_SCOPE_ONELEVEL, NULL, "(key=*)");
if (ret != LDB_SUCCESS) {
DEBUG(0, ("Error getting subkeys for '%s': %s\n",
struct ldb_result *res;
int ret;
- ret = ldb_search(c, kd->dn, LDB_SCOPE_ONELEVEL,
- "(value=*)", NULL, &res);
+ ret = ldb_search(c, c, &res, kd->dn, LDB_SCOPE_ONELEVEL,
+ NULL, "(value=*)");
if (ret != LDB_SUCCESS) {
DEBUG(0, ("Error getting values for '%s': %s\n",
ldb_dn_get_linearized(kd->dn), ldb_errstring(c)));
return WERR_FOOBAR;
}
+
kd->value_count = res->count;
kd->values = talloc_steal(kd, res->msgs);
talloc_free(res);
+
return WERR_OK;
}
{
struct ldb_message_element *el;
struct ldb_key_data *kd = talloc_get_type(k, struct ldb_key_data);
+
+ /* Initialization */
+ if (name != NULL)
+ *name = NULL;
+ if (classname != NULL)
+ *classname = NULL; /* TODO: Store properly */
+ if (last_mod_time != NULL)
+ *last_mod_time = 0; /* TODO: we need to add this to the
+ ldb backend properly */
/* Do a search if necessary */
if (kd->subkeys == NULL) {
if (name != NULL)
*name = talloc_strdup(mem_ctx, (char *)el->values[0].data);
- if (classname != NULL)
- *classname = NULL; /* TODO: Store properly */
+ return WERR_OK;
+}
- if (last_mod_time != NULL)
- *last_mod_time = 0; /* TODO: we need to add this to the
- ldb backend properly */
+static WERROR ldb_get_default_value(TALLOC_CTX *mem_ctx, struct hive_key *k,
+ const char **name, uint32_t *data_type,
+ DATA_BLOB *data)
+{
+ struct ldb_key_data *kd = talloc_get_type(k, struct ldb_key_data);
+ struct ldb_context *c = kd->ldb;
+ const char* attrs[] = { "data", "type", NULL };
+ struct ldb_result *res;
+ int ret;
+
+ ret = ldb_search(c, mem_ctx, &res, kd->dn, LDB_SCOPE_BASE, attrs, "%s", "");
+
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0, ("Error getting default value for '%s': %s\n",
+ ldb_dn_get_linearized(kd->dn), ldb_errstring(c)));
+ return WERR_FOOBAR;
+ }
+
+ if (res->count == 0 || res->msgs[0]->num_elements == 0)
+ return WERR_BADFILE;
+
+ reg_ldb_unpack_value(mem_ctx, lp_iconv_convenience(global_loadparm),
+ res->msgs[0], name, data_type, data);
+
+ talloc_free(res);
return WERR_OK;
}
{
struct ldb_key_data *kd = talloc_get_type(k, struct ldb_key_data);
+ /* if default value exists, give it back */
+ if (W_ERROR_IS_OK(ldb_get_default_value(mem_ctx, k, name, data_type,
+ data))) {
+ if (idx == 0)
+ return WERR_OK;
+ else
+ --idx;
+ }
+
/* Do the search if necessary */
if (kd->values == NULL) {
W_ERROR_NOT_OK_RETURN(cache_values(kd));
if (idx >= kd->value_count)
return WERR_NO_MORE_ITEMS;
- reg_ldb_unpack_value(mem_ctx, kd->values[idx],
- name, data_type, data);
+ reg_ldb_unpack_value(mem_ctx, lp_iconv_convenience(global_loadparm),
+ kd->values[idx], name, data_type, data);
return WERR_OK;
}
struct ldb_context *c = kd->ldb;
struct ldb_result *res;
int ret;
- char *query = talloc_asprintf(mem_ctx, "(value=%s)", name);
+ char *query;
- ret = ldb_search(c, kd->dn, LDB_SCOPE_ONELEVEL, query, NULL, &res);
+ if (strlen(name) == 0) {
+ /* default value */
+ return ldb_get_default_value(mem_ctx, k, NULL, data_type, data);
+ } else {
+ /* normal value */
+ query = talloc_asprintf(mem_ctx, "(value=%s)", name);
+ ret = ldb_search(c, mem_ctx, &res, kd->dn, LDB_SCOPE_ONELEVEL, NULL, "%s", query);
+ talloc_free(query);
+
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0, ("Error getting values for '%s': %s\n",
+ ldb_dn_get_linearized(kd->dn), ldb_errstring(c)));
+ return WERR_FOOBAR;
+ }
- talloc_free(query);
+ if (res->count == 0)
+ return WERR_BADFILE;
- if (ret != LDB_SUCCESS) {
- DEBUG(0, ("Error getting values for '%s': %s\n",
- ldb_dn_get_linearized(kd->dn), ldb_errstring(c)));
- return WERR_FOOBAR;
- }
+ reg_ldb_unpack_value(mem_ctx, lp_iconv_convenience(global_loadparm),
+ res->msgs[0], NULL, data_type, data);
- if (res->count == 0)
- return WERR_NOT_FOUND;
-
- reg_ldb_unpack_value(mem_ctx, res->msgs[0], NULL, data_type, data);
+ talloc_free(res);
+ }
return WERR_OK;
}
ldap_path = reg_path_to_ldb(mem_ctx, h, name, NULL);
- ret = ldb_search(c, ldap_path, LDB_SCOPE_BASE, "(key=*)", NULL, &res);
+ ret = ldb_search(c, mem_ctx, &res, ldap_path, LDB_SCOPE_BASE, NULL, "(key=*)");
if (ret != LDB_SUCCESS) {
DEBUG(3, ("Error opening key '%s': %s\n",
DEBUG(3, ("Key '%s' not found\n",
ldb_dn_get_linearized(ldap_path)));
talloc_free(res);
- return WERR_NOT_FOUND;
+ return WERR_BADFILE;
}
newkd = talloc_zero(mem_ctx, struct ldb_key_data);
*key = (struct hive_key *)newkd;
- talloc_free(res);
-
return WERR_OK;
}
WERROR reg_open_ldb_file(TALLOC_CTX *parent_ctx, const char *location,
struct auth_session_info *session_info,
struct cli_credentials *credentials,
+ struct event_context *ev_ctx,
struct loadparm_context *lp_ctx,
struct hive_key **k)
{
struct ldb_key_data *kd;
struct ldb_context *wrap;
+ struct ldb_message *attrs_msg;
if (location == NULL)
return WERR_INVALID_PARAM;
- wrap = ldb_wrap_connect(parent_ctx, global_loadparm,
+ wrap = ldb_wrap_connect(parent_ctx, ev_ctx, lp_ctx,
location, session_info, credentials, 0, NULL);
if (wrap == NULL) {
return WERR_FOOBAR;
}
+ attrs_msg = ldb_msg_new(wrap);
+ W_ERROR_HAVE_NO_MEMORY(attrs_msg);
+ attrs_msg->dn = ldb_dn_new(attrs_msg, wrap, "@ATTRIBUTES");
+ W_ERROR_HAVE_NO_MEMORY(attrs_msg->dn);
+ ldb_msg_add_string(attrs_msg, "key", "CASE_INSENSITIVE");
+ ldb_msg_add_string(attrs_msg, "value", "CASE_INSENSITIVE");
+
+ ldb_add(wrap, attrs_msg);
+
ldb_set_debug_stderr(wrap);
kd = talloc_zero(parent_ctx, struct ldb_key_data);
struct security_descriptor *sd,
struct hive_key **newkey)
{
- const struct ldb_key_data *parentkd = (const struct ldb_key_data *)parent;
+ struct ldb_key_data *parentkd = discard_const_p(struct ldb_key_data, parent);
struct ldb_message *msg;
struct ldb_key_data *newkd;
int ret;
talloc_strdup(mem_ctx, classname));
ret = ldb_add(parentkd->ldb, msg);
- if (ret < 0) {
- DEBUG(1, ("ldb_msg_add: %s\n", ldb_errstring(parentkd->ldb)));
+ if (ret == LDB_ERR_ENTRY_ALREADY_EXISTS) {
+ return WERR_ALREADY_EXISTS;
+ }
+
+ if (ret != LDB_SUCCESS) {
+ DEBUG(1, ("ldb_add: %s\n", ldb_errstring(parentkd->ldb)));
return WERR_FOOBAR;
}
*newkey = (struct hive_key *)newkd;
+ /* reset cache */
+ talloc_free(parentkd->subkeys);
+ parentkd->subkeys = NULL;
+
return WERR_OK;
}
-static WERROR ldb_del_key(const struct hive_key *key, const char *child)
+static WERROR ldb_del_value (struct hive_key *key, const char *child)
{
int ret;
- struct ldb_key_data *parentkd = talloc_get_type(key, struct ldb_key_data);
+ struct ldb_key_data *kd = talloc_get_type(key, struct ldb_key_data);
+ TALLOC_CTX *mem_ctx;
+ struct ldb_message *msg;
struct ldb_dn *childdn;
- childdn = ldb_dn_copy(parentkd->ldb, parentkd->dn);
- ldb_dn_add_child_fmt(childdn, "key=%s", child);
+ if (strlen(child) == 0) {
+ /* default value */
+ mem_ctx = talloc_init("ldb_del_value");
+
+ msg = talloc_zero(mem_ctx, struct ldb_message);
+ msg->dn = ldb_dn_copy(msg, kd->dn);
+ ldb_msg_add_empty(msg, "data", LDB_FLAG_MOD_DELETE, NULL);
+ ldb_msg_add_empty(msg, "type", LDB_FLAG_MOD_DELETE, NULL);
+
+ ret = ldb_modify(kd->ldb, msg);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(1, ("ldb_del_value: %s\n", ldb_errstring(kd->ldb)));
+ talloc_free(mem_ctx);
+ return WERR_FOOBAR;
+ }
+
+ talloc_free(mem_ctx);
+ } else {
+ /* normal value */
+ childdn = ldb_dn_copy(kd->ldb, kd->dn);
+ if (!ldb_dn_add_child_fmt(childdn, "value=%s",
+ reg_ldb_escape(childdn, child)))
+ {
+ talloc_free(childdn);
+ return WERR_FOOBAR;
+ }
- ret = ldb_delete(parentkd->ldb, childdn);
+ ret = ldb_delete(kd->ldb, childdn);
- talloc_free(childdn);
+ talloc_free(childdn);
- if (ret == LDB_ERR_NO_SUCH_OBJECT) {
- return WERR_NOT_FOUND;
- } else if (ret < 0) {
- DEBUG(1, ("ldb_del_key: %s\n", ldb_errstring(parentkd->ldb)));
- return WERR_FOOBAR;
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ return WERR_BADFILE;
+ } else if (ret != LDB_SUCCESS) {
+ DEBUG(1, ("ldb_del_value: %s\n", ldb_errstring(kd->ldb)));
+ return WERR_FOOBAR;
+ }
}
+ /* reset cache */
+ talloc_free(kd->values);
+ kd->values = NULL;
+
return WERR_OK;
}
-static WERROR ldb_del_value (struct hive_key *key, const char *child)
+static WERROR ldb_del_key(const struct hive_key *key, const char *name)
{
- int ret;
- struct ldb_key_data *kd = talloc_get_type(key, struct ldb_key_data);
- struct ldb_dn *childdn;
+ int i, ret;
+ struct ldb_key_data *parentkd = talloc_get_type(key, struct ldb_key_data);
+ struct ldb_dn *ldap_path;
+ TALLOC_CTX *mem_ctx = talloc_init("ldb_del_key");
+ struct ldb_context *c = parentkd->ldb;
+ struct ldb_result *res_keys;
+ struct ldb_result *res_vals;
+ WERROR werr;
+ struct hive_key *hk;
+
+ /* Verify key exists by opening it */
+ werr = ldb_open_key(mem_ctx, key, name, &hk);
+ if (!W_ERROR_IS_OK(werr)) {
+ talloc_free(mem_ctx);
+ return werr;
+ }
- childdn = ldb_dn_copy(kd->ldb, kd->dn);
- ldb_dn_add_child_fmt(childdn, "value=%s", child);
+ ldap_path = reg_path_to_ldb(mem_ctx, key, name, NULL);
+ if (!ldap_path) {
+ talloc_free(mem_ctx);
+ return WERR_FOOBAR;
+ }
- ret = ldb_delete(kd->ldb, childdn);
+ /* Search for subkeys */
+ ret = ldb_search(c, mem_ctx, &res_keys, ldap_path, LDB_SCOPE_ONELEVEL,
+ NULL, "(key=*)");
- talloc_free(childdn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0, ("Error getting subkeys for '%s': %s\n",
+ ldb_dn_get_linearized(ldap_path), ldb_errstring(c)));
+ talloc_free(mem_ctx);
+ return WERR_FOOBAR;
+ }
+
+ /* Search for values */
+ ret = ldb_search(c, mem_ctx, &res_vals, ldap_path, LDB_SCOPE_ONELEVEL,
+ NULL, "(value=*)");
- if (ret == LDB_ERR_NO_SUCH_OBJECT) {
- return WERR_NOT_FOUND;
- } else if (ret < 0) {
- DEBUG(1, ("ldb_del_value: %s\n", ldb_errstring(kd->ldb)));
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0, ("Error getting values for '%s': %s\n",
+ ldb_dn_get_linearized(ldap_path), ldb_errstring(c)));
+ talloc_free(mem_ctx);
return WERR_FOOBAR;
}
+ /* Start an explicit transaction */
+ ret = ldb_transaction_start(c);
+
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0, ("ldb_transaction_start: %s\n", ldb_errstring(c)));
+ talloc_free(mem_ctx);
+ return WERR_FOOBAR;
+ }
+
+ if (res_keys->count || res_vals->count)
+ {
+ /* Delete any subkeys */
+ for (i = 0; i < res_keys->count; i++)
+ {
+ werr = ldb_del_key(hk, ldb_msg_find_attr_as_string(
+ res_keys->msgs[i],
+ "key", NULL));
+ if (!W_ERROR_IS_OK(werr)) {
+ ret = ldb_transaction_cancel(c);
+ talloc_free(mem_ctx);
+ return werr;
+ }
+ }
+
+ /* Delete any values */
+ for (i = 0; i < res_vals->count; i++)
+ {
+ werr = ldb_del_value(hk, ldb_msg_find_attr_as_string(
+ res_vals->msgs[i],
+ "value", NULL));
+ if (!W_ERROR_IS_OK(werr)) {
+ ret = ldb_transaction_cancel(c);
+ talloc_free(mem_ctx);
+ return werr;
+ }
+ }
+ }
+
+ /* Delete the key itself */
+ ret = ldb_delete(c, ldap_path);
+
+ if (ret != LDB_SUCCESS)
+ {
+ DEBUG(1, ("ldb_del_key: %s\n", ldb_errstring(c)));
+ ret = ldb_transaction_cancel(c);
+ talloc_free(mem_ctx);
+ return WERR_FOOBAR;
+ }
+
+ /* Commit the transaction */
+ ret = ldb_transaction_commit(c);
+
+ if (ret != LDB_SUCCESS)
+ {
+ DEBUG(0, ("ldb_transaction_commit: %s\n", ldb_errstring(c)));
+ ret = ldb_transaction_cancel(c);
+ talloc_free(mem_ctx);
+ return WERR_FOOBAR;
+ }
+
+ talloc_free(mem_ctx);
+
+ /* reset cache */
+ talloc_free(parentkd->subkeys);
+ parentkd->subkeys = NULL;
+
return WERR_OK;
}
TALLOC_CTX *mem_ctx = talloc_init("ldb_set_value");
msg = reg_ldb_pack_value(kd->ldb, mem_ctx, name, type, data);
-
msg->dn = ldb_dn_copy(msg, kd->dn);
- ldb_dn_add_child_fmt(msg->dn, "value=%s", name);
-
- ret = ldb_add(kd->ldb, msg);
- if (ret < 0) {
- ret = ldb_modify(kd->ldb, msg);
- if (ret < 0) {
- DEBUG(1, ("ldb_msg_add: %s\n", ldb_errstring(kd->ldb)));
+
+ if (strlen(name) > 0) {
+ /* For a default value, we add/overwrite the attributes to/of the hive.
+ For a normal value, we create new childs. */
+ if (!ldb_dn_add_child_fmt(msg->dn, "value=%s",
+ reg_ldb_escape(mem_ctx, name)))
+ {
talloc_free(mem_ctx);
return WERR_FOOBAR;
}
}
+ ret = ldb_add(kd->ldb, msg);
+ if (ret == LDB_ERR_ENTRY_ALREADY_EXISTS) {
+ int i;
+ for (i = 0; i < msg->num_elements; i++) {
+ if (msg->elements[i].flags != LDB_FLAG_MOD_DELETE)
+ msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
+ }
+ ret = ldb_modify(kd->ldb, msg);
+ }
+
+ if (ret != LDB_SUCCESS) {
+ DEBUG(1, ("ldb_set_value: %s\n", ldb_errstring(kd->ldb)));
+ talloc_free(mem_ctx);
+ return WERR_FOOBAR;
+ }
+
+ /* reset cache */
+ talloc_free(kd->values);
+ kd->values = NULL;
+
talloc_free(mem_ctx);
return WERR_OK;
}
const char **classname,
uint32_t *num_subkeys,
uint32_t *num_values,
- NTTIME *last_change_time)
+ NTTIME *last_change_time,
+ uint32_t *max_subkeynamelen,
+ uint32_t *max_valnamelen,
+ uint32_t *max_valbufsize)
{
struct ldb_key_data *kd = talloc_get_type(key, struct ldb_key_data);
- /* FIXME */
+ /* Initialization */
if (classname != NULL)
*classname = NULL;
+ if (num_subkeys != NULL)
+ *num_subkeys = 0;
+ if (num_values != NULL)
+ *num_values = 0;
+ if (last_change_time != NULL)
+ *last_change_time = 0;
+ if (max_subkeynamelen != NULL)
+ *max_subkeynamelen = 0;
+ if (max_valnamelen != NULL)
+ *max_valnamelen = 0;
+ if (max_valbufsize != NULL)
+ *max_valbufsize = 0;
- if (num_subkeys != NULL) {
+ if (kd->subkeys == NULL) {
W_ERROR_NOT_OK_RETURN(cache_subkeys(kd));
- *num_subkeys = kd->subkey_count;
}
- if (num_values != NULL) {
+ if (kd->values == NULL) {
W_ERROR_NOT_OK_RETURN(cache_values(kd));
+ }
+
+ if (num_subkeys != NULL) {
+ *num_subkeys = kd->subkey_count;
+ }
+ if (num_values != NULL) {
*num_values = kd->value_count;
}
- if (last_change_time != NULL)
- *last_change_time = 0;
+
+ if (max_subkeynamelen != NULL) {
+ int i;
+ struct ldb_message_element *el;
+
+ *max_subkeynamelen = 0;
+
+ for (i = 0; i < kd->subkey_count; i++) {
+ el = ldb_msg_find_element(kd->subkeys[i], "key");
+ *max_subkeynamelen = MAX(*max_subkeynamelen, el->values[0].length);
+ }
+ }
+
+ if (max_valnamelen != NULL || max_valbufsize != NULL) {
+ int i;
+ struct ldb_message_element *el;
+ W_ERROR_NOT_OK_RETURN(cache_values(kd));
+
+ if (max_valbufsize != NULL)
+ *max_valbufsize = 0;
+
+ if (max_valnamelen != NULL)
+ *max_valnamelen = 0;
+
+ for (i = 0; i < kd->value_count; i++) {
+ if (max_valnamelen != NULL) {
+ el = ldb_msg_find_element(kd->values[i], "value");
+ *max_valnamelen = MAX(*max_valnamelen, el->values[0].length);
+ }
+
+ if (max_valbufsize != NULL) {
+ uint32_t data_type;
+ DATA_BLOB data;
+ reg_ldb_unpack_value(mem_ctx,
+ lp_iconv_convenience(global_loadparm),
+ kd->values[i], NULL,
+ &data_type, &data);
+ *max_valbufsize = MAX(*max_valbufsize, data.length);
+ talloc_free(data.data);
+ }
+ }
+ }
return WERR_OK;
}
git.samba.org / kai / samba.git / blobdiff