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s3:registry: implement delete_subkey in the db backend

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Michael
This commit is contained in:
Michael Adam 2009-02-26 02:56:00 +01:00
parent 97508eefb7
commit b5fbe06d74
1 changed files with 68 additions and 0 deletions
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68
source3/registry/reg_backend_db.c
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@ -957,6 +957,73 @@ done:
return werr;
}
static WERROR regdb_delete_subkey(const char *key, const char *subkey)
{
WERROR werr, werr2;
struct regsubkey_ctr *subkeys;
char *path;
TALLOC_CTX *mem_ctx = talloc_stackframe();
if (!regdb_key_is_base_key(key) && !regdb_key_exists(key)) {
werr = WERR_NOT_FOUND;
goto done;
}
path = talloc_asprintf(mem_ctx, "%s/%s", key, subkey);
if (path == NULL) {
werr = WERR_NOMEM;
goto done;
}
if (!regdb_key_exists(path)) {
werr = WERR_OK;
goto done;
}
werr = regdb_transaction_start();
W_ERROR_NOT_OK_GOTO_DONE(werr);
werr = regdb_delete_key_lists(path);
W_ERROR_NOT_OK_GOTO(werr, cancel);
werr = regsubkey_ctr_init(mem_ctx, &subkeys);
W_ERROR_NOT_OK_GOTO(werr, cancel);
if (regdb_fetch_keys(key, subkeys) < 0) {
werr = WERR_REG_IO_FAILURE;
goto cancel;
}
werr = regsubkey_ctr_delkey(subkeys, subkey);
W_ERROR_NOT_OK_GOTO(werr, cancel);
if (!regdb_store_keys_internal(key, subkeys)) {
DEBUG(0, (__location__ " failed to store new subkey_list for "
"parent key %s\n", key));
werr = WERR_REG_IO_FAILURE;
goto cancel;
}
werr = regdb_transaction_commit();
if (!W_ERROR_IS_OK(werr)) {
DEBUG(0, (__location__ " failed to commit transaction: %s\n",
win_errstr(werr)));
}
goto done;
cancel:
werr2 = regdb_transaction_cancel();
if (!W_ERROR_IS_OK(werr2)) {
DEBUG(0, (__location__ " failed to cancel transaction: %s\n",
win_errstr(werr2)));
}
done:
talloc_free(mem_ctx);
return werr;
}
static TDB_DATA regdb_fetch_key_internal(TALLOC_CTX *mem_ctx, const char *key)
{
char *path = NULL;
@ -1606,6 +1673,7 @@ REGISTRY_OPS regdb_ops = {
.store_subkeys = regdb_store_keys,
.store_values = regdb_store_values,
.create_subkey = regdb_create_subkey,
.delete_subkey = regdb_delete_subkey,
.get_secdesc = regdb_get_secdesc,
.set_secdesc = regdb_set_secdesc,
.subkeys_need_update = regdb_subkeys_need_update,