#include "registry.h"
#include "reg_api.h"
#include "reg_cachehook.h"
-#include "reg_util_internal.h"
#include "reg_backend_db.h"
#include "reg_dispatcher.h"
#include "reg_objects.h"
}
}
+ TALLOC_FREE(key->values);
werr = regval_ctr_init(key, &(key->values));
W_ERROR_NOT_OK_RETURN(werr);
if (fetch_reg_keys(key->key, key->subkeys) == -1) {
TALLOC_FREE(key->subkeys);
- return WERR_NO_MORE_ITEMS;
+ return WERR_BADFILE;
}
return WERR_OK;
WERROR result = WERR_OK;
struct registry_key *regkey;
struct registry_key_handle *key;
- struct regsubkey_ctr *subkeys = NULL;
DEBUG(7,("regkey_open_onelevel: name = [%s]\n", name));
goto done;
}
- if ( !(W_ERROR_IS_OK(result = regdb_open())) ) {
+ result = regdb_open();
+ if (!(W_ERROR_IS_OK(result))) {
goto done;
}
/* Look up the table of registry I/O operations */
- if ( !(key->ops = reghook_cache_find( key->name )) ) {
+ key->ops = reghook_cache_find( key->name );
+ if (key->ops == NULL) {
DEBUG(0,("reg_open_onelevel: Failed to assign "
"registry_ops to [%s]\n", key->name ));
result = WERR_BADFILE;
goto done;
}
- /* check if the path really exists; failed is indicated by -1 */
- /* if the subkey count failed, bail out */
+ /* FIXME: Existence is currently checked by fetching the subkeys */
- result = regsubkey_ctr_init(key, &subkeys);
+ result = fill_subkey_cache(regkey);
if (!W_ERROR_IS_OK(result)) {
goto done;
}
- if ( fetch_reg_keys( key, subkeys ) == -1 ) {
- result = WERR_BADFILE;
- goto done;
- }
-
- TALLOC_FREE( subkeys );
-
if ( !regkey_access_check( key, access_desired, &key->access_granted,
token ) ) {
result = WERR_ACCESS_DENIED;
{
struct registry_key *direct_parent = parent;
WERROR err;
- char *p, *path, *to_free;
+ char *p, *path;
size_t len;
+ TALLOC_CTX *frame = talloc_stackframe();
- if (!(path = SMB_STRDUP(name))) {
- return WERR_NOMEM;
+ path = talloc_strdup(frame, name);
+ if (path == NULL) {
+ err = WERR_NOMEM;
+ goto error;
}
- to_free = path;
len = strlen(path);
char *name_component;
struct registry_key *tmp;
- if (!(name_component = SMB_STRNDUP(path, (p - path)))) {
+ name_component = talloc_strndup(frame, path, (p - path));
+ if (name_component == NULL) {
err = WERR_NOMEM;
goto error;
}
- err = regkey_open_onelevel(mem_ctx, direct_parent,
+ err = regkey_open_onelevel(frame, direct_parent,
name_component, parent->token,
KEY_ENUMERATE_SUB_KEYS, &tmp);
- SAFE_FREE(name_component);
if (!W_ERROR_IS_OK(err)) {
goto error;
}
- if (direct_parent != parent) {
- TALLOC_FREE(direct_parent);
- }
direct_parent = tmp;
path = p+1;
err = regkey_open_onelevel(mem_ctx, direct_parent, path, parent->token,
desired_access, pkey);
- error:
- if (direct_parent != parent) {
- TALLOC_FREE(direct_parent);
- }
- SAFE_FREE(to_free);
+
+error:
+ talloc_free(frame);
return err;
}
return WERR_OK;
}
+static WERROR reg_enumvalue_nocachefill(TALLOC_CTX *mem_ctx,
+ struct registry_key *key,
+ uint32 idx, char **pname,
+ struct registry_value **pval)
+{
+ struct registry_value *val;
+ struct regval_blob *blob;
+
+ if (!(key->key->access_granted & KEY_QUERY_VALUE)) {
+ return WERR_ACCESS_DENIED;
+ }
+
+ if (idx >= regval_ctr_numvals(key->values)) {
+ return WERR_NO_MORE_ITEMS;
+ }
+
+ blob = regval_ctr_specific_value(key->values, idx);
+
+ val = talloc_zero(mem_ctx, struct registry_value);
+ if (val == NULL) {
+ return WERR_NOMEM;
+ }
+
+ val->type = regval_type(blob);
+ val->data = data_blob_talloc(mem_ctx, regval_data_p(blob), regval_size(blob));
+
+ if (pname
+ && !(*pname = talloc_strdup(
+ mem_ctx, regval_name(blob)))) {
+ TALLOC_FREE(val);
+ return WERR_NOMEM;
+ }
+
+ *pval = val;
+ return WERR_OK;
+}
+
WERROR reg_queryvalue(TALLOC_CTX *mem_ctx, struct registry_key *key,
const char *name, struct registry_value **pval)
{
struct regval_blob *blob;
blob = regval_ctr_specific_value(key->values, i);
if (strequal(regval_name(blob), name)) {
- return reg_enumvalue(mem_ctx, key, i, NULL, pval);
+ /*
+ * don't use reg_enumvalue here:
+ * re-reading the values from the disk
+ * would change the indexing and break
+ * this function.
+ */
+ return reg_enumvalue_nocachefill(mem_ctx, key, i,
+ NULL, pval);
}
}
char *path, *end;
WERROR err;
- if (!(mem_ctx = talloc_new(ctx))) return WERR_NOMEM;
+ mem_ctx = talloc_new(ctx);
+ if (mem_ctx == NULL) {
+ return WERR_NOMEM;
+ }
- if (!(path = talloc_strdup(mem_ctx, subkeypath))) {
+ path = talloc_strdup(mem_ctx, subkeypath);
+ if (path == NULL) {
err = WERR_NOMEM;
goto done;
}
+ err = regdb_transaction_start();
+ if (!W_ERROR_IS_OK(err)) {
+ DEBUG(0, ("reg_createkey: failed to start transaction: %s\n",
+ win_errstr(err)));
+ goto done;
+ }
+
while ((end = strchr(path, '\\')) != NULL) {
struct registry_key *tmp;
enum winreg_CreateAction action;
err = reg_createkey(mem_ctx, key, path,
KEY_ENUMERATE_SUB_KEYS, &tmp, &action);
if (!W_ERROR_IS_OK(err)) {
- goto done;
+ goto trans_done;
}
if (key != parent) {
if (paction != NULL) {
*paction = REG_OPENED_EXISTING_KEY;
}
- goto done;
+ goto trans_done;
}
if (!W_ERROR_EQUAL(err, WERR_BADFILE)) {
/*
* Something but "notfound" has happened, so bail out
*/
- goto done;
+ goto trans_done;
}
/*
err = reg_openkey(mem_ctx, key, "", KEY_CREATE_SUB_KEY,
&create_parent);
if (!W_ERROR_IS_OK(err)) {
- goto done;
+ goto trans_done;
}
/*
* Actually create the subkey
*/
- err = fill_subkey_cache(create_parent);
- if (!W_ERROR_IS_OK(err)) goto done;
-
err = create_reg_subkey(key->key, path);
- W_ERROR_NOT_OK_GOTO_DONE(err);
+ if (!W_ERROR_IS_OK(err)) {
+ goto trans_done;
+ }
/*
* Now open the newly created key
*paction = REG_CREATED_NEW_KEY;
}
+trans_done:
+ if (W_ERROR_IS_OK(err)) {
+ err = regdb_transaction_commit();
+ if (!W_ERROR_IS_OK(err)) {
+ DEBUG(0, ("reg_createkey: Error committing transaction: %s\n", win_errstr(err)));
+ }
+ } else {
+ WERROR err1 = regdb_transaction_cancel();
+ if (!W_ERROR_IS_OK(err1)) {
+ DEBUG(0, ("reg_createkey: Error cancelling transaction: %s\n", win_errstr(err1)));
+ }
+ }
+
done:
TALLOC_FREE(mem_ctx);
return err;
err = reg_openkey(mem_ctx, parent, name, REG_KEY_READ, &key);
W_ERROR_NOT_OK_GOTO_DONE(err);
+ err = regdb_transaction_start();
+ if (!W_ERROR_IS_OK(err)) {
+ DEBUG(0, ("reg_deletekey: Error starting transaction: %s\n",
+ win_errstr(err)));
+ goto done;
+ }
+
err = fill_subkey_cache(key);
- W_ERROR_NOT_OK_GOTO_DONE(err);
+ W_ERROR_NOT_OK_GOTO(err, trans_done);
if (regsubkey_ctr_numkeys(key->subkeys) > 0) {
err = WERR_ACCESS_DENIED;
- goto done;
+ goto trans_done;
}
/* no subkeys - proceed with delete */
err = reg_openkey(mem_ctx, parent, name,
KEY_CREATE_SUB_KEY, &tmp_key);
- W_ERROR_NOT_OK_GOTO_DONE(err);
+ W_ERROR_NOT_OK_GOTO(err, trans_done);
parent = tmp_key;
name = end+1;
if (name[0] == '\0') {
err = WERR_INVALID_PARAM;
- goto done;
+ goto trans_done;
}
err = delete_reg_subkey(parent->key, name);
+trans_done:
+ if (W_ERROR_IS_OK(err)) {
+ err = regdb_transaction_commit();
+ if (!W_ERROR_IS_OK(err)) {
+ DEBUG(0, ("reg_deletekey: Error committing transaction: %s\n", win_errstr(err)));
+ }
+ } else {
+ WERROR err1 = regdb_transaction_cancel();
+ if (!W_ERROR_IS_OK(err1)) {
+ DEBUG(0, ("reg_deletekey: Error cancelling transaction: %s\n", win_errstr(err1)));
+ }
+ }
+
done:
TALLOC_FREE(mem_ctx);
return err;
return WERR_ACCESS_DENIED;
}
- if (!W_ERROR_IS_OK(err = fill_value_cache(key))) {
+ err = regdb_transaction_start();
+ if (!W_ERROR_IS_OK(err)) {
+ DEBUG(0, ("reg_setvalue: Failed to start transaction: %s\n",
+ win_errstr(err)));
return err;
}
+ err = fill_value_cache(key);
+ if (!W_ERROR_IS_OK(err)) {
+ DEBUG(0, ("reg_setvalue: Error filling value cache: %s\n", win_errstr(err)));
+ goto done;
+ }
+
existing = regval_ctr_getvalue(key->values, name);
if ((existing != NULL) &&
(regval_size(existing) == val->data.length) &&
(memcmp(regval_data_p(existing), val->data.data,
- val->data.length) == 0)) {
- return WERR_OK;
+ val->data.length) == 0))
+ {
+ err = WERR_OK;
+ goto done;
}
res = regval_ctr_addvalue(key->values, name, val->type,
if (res == 0) {
TALLOC_FREE(key->values);
- return WERR_NOMEM;
+ err = WERR_NOMEM;
+ goto done;
}
if (!store_reg_values(key->key, key->values)) {
TALLOC_FREE(key->values);
- return WERR_REG_IO_FAILURE;
+ DEBUG(0, ("reg_setvalue: store_reg_values failed\n"));
+ err = WERR_REG_IO_FAILURE;
+ goto done;
}
- return WERR_OK;
+ err = WERR_OK;
+
+done:
+ if (W_ERROR_IS_OK(err)) {
+ err = regdb_transaction_commit();
+ if (!W_ERROR_IS_OK(err)) {
+ DEBUG(0, ("reg_setvalue: Error committing transaction: %s\n", win_errstr(err)));
+ }
+ } else {
+ WERROR err1 = regdb_transaction_cancel();
+ if (!W_ERROR_IS_OK(err1)) {
+ DEBUG(0, ("reg_setvalue: Error cancelling transaction: %s\n", win_errstr(err1)));
+ }
+ }
+
+ return err;
}
static WERROR reg_value_exists(struct registry_key *key, const char *name)
return WERR_ACCESS_DENIED;
}
- if (!W_ERROR_IS_OK(err = fill_value_cache(key))) {
+ err = regdb_transaction_start();
+ if (!W_ERROR_IS_OK(err)) {
+ DEBUG(0, ("reg_deletevalue: Failed to start transaction: %s\n",
+ win_errstr(err)));
return err;
}
+ err = fill_value_cache(key);
+ if (!W_ERROR_IS_OK(err)) {
+ DEBUG(0, ("reg_deletevalue; Error filling value cache: %s\n",
+ win_errstr(err)));
+ goto done;
+ }
+
err = reg_value_exists(key, name);
if (!W_ERROR_IS_OK(err)) {
- return err;
+ goto done;
}
regval_ctr_delvalue(key->values, name);
if (!store_reg_values(key->key, key->values)) {
TALLOC_FREE(key->values);
- return WERR_REG_IO_FAILURE;
+ err = WERR_REG_IO_FAILURE;
+ DEBUG(0, ("reg_deletevalue: store_reg_values failed\n"));
+ goto done;
}
- return WERR_OK;
+ err = WERR_OK;
+
+done:
+ if (W_ERROR_IS_OK(err)) {
+ err = regdb_transaction_commit();
+ if (!W_ERROR_IS_OK(err)) {
+ DEBUG(0, ("reg_deletevalue: Error committing transaction: %s\n", win_errstr(err)));
+ }
+ } else {
+ WERROR err1 = regdb_transaction_cancel();
+ if (!W_ERROR_IS_OK(err1)) {
+ DEBUG(0, ("reg_deletevalue: Error cancelling transaction: %s\n", win_errstr(err1)));
+ }
+ }
+
+ return err;
}
WERROR reg_getkeysecurity(TALLOC_CTX *mem_ctx, struct registry_key *key,
git.samba.org / ddiss / samba.git / blobdiff