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-rw-r--r--source4/lib/registry/ldb.c173
1 files changed, 128 insertions, 45 deletions
diff --git a/source4/lib/registry/ldb.c b/source4/lib/registry/ldb.c
index a8a9ed597e..2eb4e9e3ce 100644
--- a/source4/lib/registry/ldb.c
+++ b/source4/lib/registry/ldb.c
@@ -64,6 +64,15 @@ static void reg_ldb_unpack_value(TALLOC_CTX *mem_ctx,
(void **)&data->data);
break;
+ case REG_BINARY:
+ if (val)
+ *data = strhex_to_data_blob((char *)val->data);
+ else {
+ data->data = NULL;
+ data->length = 0;
+ }
+ break;
+
case REG_DWORD: {
uint32_t tmp = strtoul((char *)val->data, NULL, 0);
*data = data_blob_talloc(mem_ctx, &tmp, 4);
@@ -97,6 +106,11 @@ static struct ldb_message *reg_ldb_pack_value(struct ldb_context *ctx,
ldb_msg_add_value(msg, "data", &val, NULL);
break;
+ case REG_BINARY:
+ ldb_msg_add_string(msg, "data",
+ data_blob_hex_string(mem_ctx, &data));
+ break;
+
case REG_DWORD:
ldb_msg_add_string(msg, "data",
talloc_asprintf(mem_ctx, "0x%x",
@@ -269,22 +283,58 @@ static WERROR ldb_get_subkey_by_id(TALLOC_CTX *mem_ctx,
return WERR_OK;
}
+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, kd->dn, LDB_SCOPE_BASE, "", attrs, &res);
+
+ 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;
+}
+
static WERROR ldb_get_value_by_id(TALLOC_CTX *mem_ctx, struct hive_key *k,
int idx, const char **name,
uint32_t *data_type, DATA_BLOB *data)
{
struct ldb_key_data *kd = talloc_get_type(k, struct ldb_key_data);
- /* Do the search if necessary */
- if (kd->values == NULL) {
- W_ERROR_NOT_OK_RETURN(cache_values(kd));
- }
+ if (idx == 0) {
+ /* default value */
+ return ldb_get_default_value(mem_ctx, k, name, data_type, data);
+ } else {
+ /* normal value */
- if (idx >= kd->value_count)
- return WERR_NO_MORE_ITEMS;
+ /* Do the search if necessary */
+ if (kd->values == NULL) {
+ W_ERROR_NOT_OK_RETURN(cache_values(kd));
+ }
- reg_ldb_unpack_value(mem_ctx, lp_iconv_convenience(global_loadparm), kd->values[idx],
- name, data_type, data);
+ if (idx >= kd->value_count)
+ return WERR_NO_MORE_ITEMS;
+
+ reg_ldb_unpack_value(mem_ctx, lp_iconv_convenience(global_loadparm),
+ kd->values[idx], name, data_type, data);
+ }
return WERR_OK;
}
@@ -297,22 +347,31 @@ static WERROR ldb_get_value(TALLOC_CTX *mem_ctx, struct hive_key *k,
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);
-
- talloc_free(query);
+ 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, kd->dn, LDB_SCOPE_ONELEVEL, query, NULL, &res);
+ 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;
+ }
- 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;
- }
+ if (res->count == 0)
+ return WERR_BADFILE;
- if (res->count == 0)
- return WERR_BADFILE;
+ reg_ldb_unpack_value(mem_ctx, lp_iconv_convenience(global_loadparm),
+ res->msgs[0], NULL, data_type, data);
- reg_ldb_unpack_value(mem_ctx, lp_iconv_convenience(global_loadparm), res->msgs[0], NULL, data_type, data);
+ talloc_free(res);
+ }
return WERR_OK;
}
@@ -349,8 +408,6 @@ static WERROR ldb_open_key(TALLOC_CTX *mem_ctx, const struct hive_key *h,
*key = (struct hive_key *)newkd;
- talloc_free(res);
-
return WERR_OK;
}
@@ -447,30 +504,52 @@ static WERROR ldb_del_value (struct hive_key *key, const char *child)
{
int ret;
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(kd->ldb, kd->dn);
- if (!ldb_dn_add_child_fmt(childdn, "value=%s",
+ 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;
- }
+ {
+ talloc_free(childdn);
+ return WERR_FOOBAR;
+ }
- ret = ldb_delete(kd->ldb, childdn);
+ ret = ldb_delete(kd->ldb, childdn);
- talloc_free(childdn);
+ talloc_free(childdn);
- 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;
- }
+ 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;
+ /* reset cache */
+ talloc_free(kd->values);
+ kd->values = NULL;
+ }
return WERR_OK;
}
@@ -601,13 +680,17 @@ static WERROR ldb_set_value(struct hive_key *parent,
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);
- if (!ldb_dn_add_child_fmt(msg->dn, "value=%s",
+
+ 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;
+ {
+ talloc_free(mem_ctx);
+ return WERR_FOOBAR;
+ }
}
ret = ldb_add(kd->ldb, msg);
@@ -620,7 +703,7 @@ static WERROR ldb_set_value(struct hive_key *parent,
}
if (ret != LDB_SUCCESS) {
- DEBUG(1, ("ldb_msg_add: %s\n", ldb_errstring(kd->ldb)));
+ DEBUG(1, ("ldb_set_value: %s\n", ldb_errstring(kd->ldb)));
talloc_free(mem_ctx);
return WERR_FOOBAR;
}
generated by cgit (git 2.34.1) at 2024-12-11 12:15:22 +0000