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authorMichael Adam <obnox@samba.org>2011-07-01 15:47:50 +0200
committerMichael Adam <obnox@samba.org>2011-07-04 20:02:08 +0200
commit322eaf1e9ef927bdec7fca947e894470196c1049 (patch)
tree6c0c3db61e00826d50a41206ff0a81c069e54cf0 /source3
parent394ca1446e712c9cb3649c8a2c4fd2ebe638d8cd (diff)
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s3:registry: refactor creation of subkey list out into regdb_store_subkey_list()
Pair-Programmed-With: Gregor Beck <gbeck@sernet.de>
Diffstat (limited to 'source3')
-rw-r--r--source3/registry/reg_backend_db.c74
1 files changed, 52 insertions, 22 deletions
diff --git a/source3/registry/reg_backend_db.c b/source3/registry/reg_backend_db.c
index 9d33f2cf9d..554114d6eb 100644
--- a/source3/registry/reg_backend_db.c
+++ b/source3/registry/reg_backend_db.c
@@ -854,6 +854,53 @@ done:
return werr;
}
+/**
+ * Utility function to store a new empty list of
+ * subkeys of given key specified as parent and subkey name
+ * (thereby creating the key).
+ * If the subkey list does already exist, it is not modified.
+ *
+ * Must be called from within a transaction.
+ */
+static WERROR regdb_store_subkey_list(struct db_context *db, const char *parent,
+ const char *key)
+{
+ WERROR werr;
+ char *path = NULL;
+ struct regsubkey_ctr *subkeys = NULL;
+ TALLOC_CTX *frame = talloc_stackframe();
+
+ path = talloc_asprintf(frame, "%s\\%s", parent, key);
+ if (!path) {
+ werr = WERR_NOMEM;
+ goto done;
+ }
+
+ werr = regsubkey_ctr_init(frame, &subkeys);
+ W_ERROR_NOT_OK_GOTO_DONE(werr);
+
+ werr = regdb_fetch_keys_internal(db, path, subkeys);
+ if (W_ERROR_IS_OK(werr)) {
+ /* subkey list exists already - don't modify */
+ goto done;
+ }
+
+ werr = regsubkey_ctr_reinit(subkeys);
+ W_ERROR_NOT_OK_GOTO_DONE(werr);
+
+ /* create a record with 0 subkeys */
+ werr = regdb_store_keys_internal2(db, path, subkeys);
+ if (!W_ERROR_IS_OK(werr)) {
+ DEBUG(0, ("regdb_store_keys: Failed to store new record for "
+ "key [%s]: %s\n", path, win_errstr(werr)));
+ goto done;
+ }
+
+done:
+ talloc_free(frame);
+ return werr;
+}
+
/***********************************************************************
Store the new subkey record and create any child key records that
do not currently exist
@@ -871,7 +918,7 @@ static NTSTATUS regdb_store_keys_action(struct db_context *db,
WERROR werr;
int num_subkeys, i;
char *path = NULL;
- struct regsubkey_ctr *subkeys = NULL, *old_subkeys = NULL;
+ struct regsubkey_ctr *old_subkeys = NULL;
char *oldkeyname = NULL;
TALLOC_CTX *mem_ctx = talloc_stackframe();
@@ -955,29 +1002,12 @@ static NTSTATUS regdb_store_keys_action(struct db_context *db,
num_subkeys = regsubkey_ctr_numkeys(store_ctx->ctr);
for (i=0; i<num_subkeys; i++) {
- path = talloc_asprintf(mem_ctx, "%s\\%s", store_ctx->key,
- regsubkey_ctr_specific_key(store_ctx->ctr, i));
- if (!path) {
- werr = WERR_NOMEM;
- goto done;
- }
- werr = regsubkey_ctr_init(mem_ctx, &subkeys);
- W_ERROR_NOT_OK_GOTO_DONE(werr);
+ const char *subkey;
- werr = regdb_fetch_keys_internal(db, path, subkeys);
- if (!W_ERROR_IS_OK(werr)) {
- /* create a record with 0 subkeys */
- werr = regdb_store_keys_internal2(db, path, subkeys);
- if (!W_ERROR_IS_OK(werr)) {
- DEBUG(0,("regdb_store_keys: Failed to store "
- "new record for key [%s]: %s\n", path,
- win_errstr(werr)));
- goto done;
- }
- }
+ subkey = regsubkey_ctr_specific_key(store_ctx->ctr, i);
- TALLOC_FREE(subkeys);
- TALLOC_FREE(path);
+ werr = regdb_store_subkey_list(db, store_ctx->key, subkey);
+ W_ERROR_NOT_OK_GOTO_DONE(werr);
}
werr = WERR_OK;