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-rw-r--r--source4/lib/ldb/ldb_tdb/ldb_tdb.c149
1 files changed, 88 insertions, 61 deletions
diff --git a/source4/lib/ldb/ldb_tdb/ldb_tdb.c b/source4/lib/ldb/ldb_tdb/ldb_tdb.c
index 11d6c30710..01d570c89a 100644
--- a/source4/lib/ldb/ldb_tdb/ldb_tdb.c
+++ b/source4/lib/ldb/ldb_tdb/ldb_tdb.c
@@ -1,15 +1,15 @@
-/*
+/*
ldb database library
Copyright (C) Andrew Tridgell 2004
Copyright (C) Stefan Metzmacher 2004
Copyright (C) Simo Sorce 2006
-
+
** NOTE! The following LGPL license applies to the ldb
** library. This does NOT imply that all of Samba is released
** under the LGPL
-
+
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
@@ -76,7 +76,8 @@ static int ltdb_err_map(enum TDB_ERROR tdb_code)
}
-struct ldb_handle *init_ltdb_handle(struct ltdb_private *ltdb, struct ldb_module *module,
+struct ldb_handle *init_ltdb_handle(struct ltdb_private *ltdb,
+ struct ldb_module *module,
struct ldb_request *req)
{
struct ltdb_context *ac;
@@ -113,7 +114,7 @@ struct ldb_handle *init_ltdb_handle(struct ltdb_private *ltdb, struct ldb_module
form a TDB_DATA for a record key
caller frees
- note that the key for a record can depend on whether the
+ note that the key for a record can depend on whether the
dn refers to a case sensitive index record or not
*/
struct TDB_DATA ltdb_key(struct ldb_module *module, struct ldb_dn *dn)
@@ -131,8 +132,8 @@ struct TDB_DATA ltdb_key(struct ldb_module *module, struct ldb_dn *dn)
1) if the dn doesn't start with @ then uppercase the attribute
names and the attributes values of case insensitive attributes
- 2) if the dn starts with @ then leave it alone - the indexing code handles
- the rest
+ 2) if the dn starts with @ then leave it alone -
+ the indexing code handles the rest
*/
dn_folded = ldb_dn_get_casefold(dn);
@@ -166,10 +167,11 @@ failed:
check special dn's have valid attributes
currently only @ATTRIBUTES is checked
*/
-int ltdb_check_special_dn(struct ldb_module *module, const struct ldb_message *msg)
+int ltdb_check_special_dn(struct ldb_module *module,
+ const struct ldb_message *msg)
{
int i, j;
-
+
if (! ldb_dn_is_special(msg->dn) ||
! ldb_dn_check_special(msg->dn, LTDB_ATTRIBUTES)) {
return 0;
@@ -191,7 +193,7 @@ int ltdb_check_special_dn(struct ldb_module *module, const struct ldb_message *m
/*
- we've made a modification to a dn - possibly reindex and
+ we've made a modification to a dn - possibly reindex and
update sequence number
*/
static int ltdb_modified(struct ldb_module *module, struct ldb_dn *dn)
@@ -239,7 +241,7 @@ int ltdb_store(struct ldb_module *module, const struct ldb_message *msg, int flg
ret = ltdb_err_map(tdb_error(ltdb->tdb));
goto done;
}
-
+
ret = ltdb_index_add(module, msg);
if (ret != LDB_SUCCESS) {
tdb_delete(ltdb->tdb, tdb_key);
@@ -253,15 +255,16 @@ done:
}
-static int ltdb_add_internal(struct ldb_module *module, const struct ldb_message *msg)
+static int ltdb_add_internal(struct ldb_module *module,
+ const struct ldb_message *msg)
{
int ret;
-
+
ret = ltdb_check_special_dn(module, msg);
if (ret != LDB_SUCCESS) {
return ret;
}
-
+
if (ltdb_cache_load(module) != 0) {
return LDB_ERR_OPERATIONS_ERROR;
}
@@ -269,10 +272,12 @@ static int ltdb_add_internal(struct ldb_module *module, const struct ldb_message
ret = ltdb_store(module, msg, TDB_INSERT);
if (ret == LDB_ERR_ENTRY_ALREADY_EXISTS) {
- ldb_asprintf_errstring(module->ldb, "Entry %s already exists", ldb_dn_get_linearized(msg->dn));
+ ldb_asprintf_errstring(module->ldb,
+ "Entry %s already exists",
+ ldb_dn_get_linearized(msg->dn));
return ret;
}
-
+
if (ret == LDB_SUCCESS) {
ret = ltdb_index_one(module, msg, 1);
if (ret != LDB_SUCCESS) {
@@ -293,14 +298,16 @@ static int ltdb_add_internal(struct ldb_module *module, const struct ldb_message
*/
static int ltdb_add(struct ldb_module *module, struct ldb_request *req)
{
- struct ltdb_private *ltdb = talloc_get_type(module->private_data, struct ltdb_private);
+ struct ltdb_private *ltdb;
struct ltdb_context *ltdb_ac;
int tret, ret = LDB_SUCCESS;
+ ltdb = talloc_get_type(module->private_data, struct ltdb_private);
+
if (check_critical_controls(req->controls)) {
return LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION;
}
-
+
req->handle = init_ltdb_handle(ltdb, module, req);
if (req->handle == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
@@ -312,7 +319,7 @@ static int ltdb_add(struct ldb_module *module, struct ldb_request *req)
req->handle->status = tret;
goto done;
}
-
+
if (ltdb_ac->callback) {
ret = ltdb_ac->callback(module->ldb, ltdb_ac->context, NULL);
}
@@ -397,14 +404,16 @@ done:
*/
static int ltdb_delete(struct ldb_module *module, struct ldb_request *req)
{
- struct ltdb_private *ltdb = talloc_get_type(module->private_data, struct ltdb_private);
+ struct ltdb_private *ltdb;
struct ltdb_context *ltdb_ac;
int tret, ret = LDB_SUCCESS;
+ ltdb = talloc_get_type(module->private_data, struct ltdb_private);
+
if (check_critical_controls(req->controls)) {
return LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION;
}
-
+
req->handle = NULL;
if (ltdb_cache_load(module) != 0) {
@@ -419,7 +428,7 @@ static int ltdb_delete(struct ldb_module *module, struct ldb_request *req)
tret = ltdb_delete_internal(module, req->op.del.dn);
if (tret != LDB_SUCCESS) {
- req->handle->status = tret;
+ req->handle->status = tret;
goto done;
}
@@ -432,9 +441,9 @@ done:
}
/*
- find an element by attribute name. At the moment this does a linear search, it should
- be re-coded to use a binary search once all places that modify records guarantee
- sorted order
+ find an element by attribute name. At the moment this does a linear search,
+ it should be re-coded to use a binary search once all places that modify
+ records guarantee sorted order
return the index of the first matching element if found, otherwise -1
*/
@@ -452,18 +461,19 @@ static int find_element(const struct ldb_message *msg, const char *name)
/*
add an element to an existing record. Assumes a elements array that we
- can call re-alloc on, and assumed that we can re-use the data pointers from the
- passed in additional values. Use with care!
+ can call re-alloc on, and assumed that we can re-use the data pointers from
+ the passed in additional values. Use with care!
returns 0 on success, -1 on failure (and sets errno)
*/
static int msg_add_element(struct ldb_context *ldb,
- struct ldb_message *msg, struct ldb_message_element *el)
+ struct ldb_message *msg,
+ struct ldb_message_element *el)
{
struct ldb_message_element *e2;
unsigned int i;
- e2 = talloc_realloc(msg, msg->elements, struct ldb_message_element,
+ e2 = talloc_realloc(msg, msg->elements, struct ldb_message_element,
msg->num_elements+1);
if (!e2) {
errno = ENOMEM;
@@ -478,7 +488,8 @@ static int msg_add_element(struct ldb_context *ldb,
e2->flags = el->flags;
e2->values = NULL;
if (el->num_values != 0) {
- e2->values = talloc_array(msg->elements, struct ldb_val, el->num_values);
+ e2->values = talloc_array(msg->elements,
+ struct ldb_val, el->num_values);
if (!e2->values) {
errno = ENOMEM;
return -1;
@@ -512,20 +523,21 @@ static int msg_delete_attribute(struct ldb_module *module,
for (i=0;i<msg->num_elements;i++) {
if (ldb_attr_cmp(msg->elements[i].name, name) == 0) {
for (j=0;j<msg->elements[i].num_values;j++) {
- ltdb_index_del_value(module, dn, &msg->elements[i], j);
+ ltdb_index_del_value(module, dn,
+ &msg->elements[i], j);
}
talloc_free(msg->elements[i].values);
if (msg->num_elements > (i+1)) {
- memmove(&msg->elements[i],
- &msg->elements[i+1],
+ memmove(&msg->elements[i],
+ &msg->elements[i+1],
sizeof(struct ldb_message_element)*
(msg->num_elements - (i+1)));
}
msg->num_elements--;
i--;
- msg->elements = talloc_realloc(msg, msg->elements,
- struct ldb_message_element,
- msg->num_elements);
+ msg->elements = talloc_realloc(msg, msg->elements,
+ struct ldb_message_element,
+ msg->num_elements);
}
}
@@ -533,12 +545,12 @@ static int msg_delete_attribute(struct ldb_module *module,
}
/*
- delete all elements matching an attribute name/value
+ delete all elements matching an attribute name/value
return 0 on success, -1 on failure
*/
static int msg_delete_element(struct ldb_module *module,
- struct ldb_message *msg,
+ struct ldb_message *msg,
const char *name,
const struct ldb_val *val)
{
@@ -558,14 +570,17 @@ static int msg_delete_element(struct ldb_module *module,
a = ldb_schema_attribute_by_name(ldb, el->name);
for (i=0;i<el->num_values;i++) {
- if (a->syntax->comparison_fn(ldb, ldb, &el->values[i], val) == 0) {
+ if (a->syntax->comparison_fn(ldb, ldb,
+ &el->values[i], val) == 0) {
if (i<el->num_values-1) {
memmove(&el->values[i], &el->values[i+1],
- sizeof(el->values[i])*(el->num_values-(i+1)));
+ sizeof(el->values[i])*
+ (el->num_values-(i+1)));
}
el->num_values--;
if (el->num_values == 0) {
- return msg_delete_attribute(module, ldb, msg, name);
+ return msg_delete_attribute(module, ldb,
+ msg, name);
}
return 0;
}
@@ -579,10 +594,11 @@ static int msg_delete_element(struct ldb_module *module,
modify a record - internal interface
yuck - this is O(n^2). Luckily n is usually small so we probably
- get away with it, but if we ever have really large attribute lists
+ get away with it, but if we ever have really large attribute lists
then we'll need to look at this again
*/
-int ltdb_modify_internal(struct ldb_module *module, const struct ldb_message *msg)
+int ltdb_modify_internal(struct ldb_module *module,
+ const struct ldb_message *msg)
{
struct ldb_context *ldb = module->ldb;
struct ltdb_private *ltdb =
@@ -734,15 +750,17 @@ int ltdb_modify_internal(struct ldb_module *module, const struct ldb_message *ms
}
break;
default:
- ldb_asprintf_errstring(module->ldb, "Invalid ldb_modify flags on %s: 0x%x",
- msg->elements[i].name,
- msg->elements[i].flags & LDB_FLAG_MOD_MASK);
+ ldb_asprintf_errstring(module->ldb,
+ "Invalid ldb_modify flags on %s: 0x%x",
+ msg->elements[i].name,
+ msg->elements[i].flags & LDB_FLAG_MOD_MASK);
ret = LDB_ERR_PROTOCOL_ERROR;
goto failed;
}
}
- /* we've made all the mods - save the modified record back into the database */
+ /* we've made all the mods
+ * save the modified record back into the database */
ret = ltdb_store(module, msg2, TDB_MODIFY);
if (ret != LDB_SUCCESS) {
goto failed;
@@ -768,14 +786,16 @@ failed:
*/
static int ltdb_modify(struct ldb_module *module, struct ldb_request *req)
{
- struct ltdb_private *ltdb = talloc_get_type(module->private_data, struct ltdb_private);
+ struct ltdb_private *ltdb;
struct ltdb_context *ltdb_ac;
int tret, ret = LDB_SUCCESS;
+ ltdb = talloc_get_type(module->private_data, struct ltdb_private);
+
if (check_critical_controls(req->controls)) {
return LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION;
}
-
+
req->handle = NULL;
req->handle = init_ltdb_handle(ltdb, module, req);
@@ -789,7 +809,7 @@ static int ltdb_modify(struct ldb_module *module, struct ldb_request *req)
req->handle->status = tret;
goto done;
}
-
+
if (ltdb_cache_load(module) != 0) {
ret = LDB_ERR_OPERATIONS_ERROR;
goto done;
@@ -814,15 +834,17 @@ done:
*/
static int ltdb_rename(struct ldb_module *module, struct ldb_request *req)
{
- struct ltdb_private *ltdb = talloc_get_type(module->private_data, struct ltdb_private);
+ struct ltdb_private *ltdb;
struct ltdb_context *ltdb_ac;
struct ldb_message *msg;
int tret, ret = LDB_SUCCESS;
+ ltdb = talloc_get_type(module->private_data, struct ltdb_private);
+
if (check_critical_controls(req->controls)) {
return LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION;
}
-
+
req->handle = NULL;
if (ltdb_cache_load(module) != 0) {
@@ -947,19 +969,22 @@ static int ltdb_wait(struct ldb_handle *handle, enum ldb_wait_type type)
static int ltdb_request(struct ldb_module *module, struct ldb_request *req)
{
- /* check for oustanding critical controls and return an error if found */
+ /* check for oustanding critical controls
+ * and return an error if found */
if (check_critical_controls(req->controls)) {
return LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION;
}
-
- /* search, add, modify, delete, rename are handled by their own, no other op supported */
+
+ /* search, add, modify, delete, rename are handled by their own,
+ * no other op supported */
return LDB_ERR_OPERATIONS_ERROR;
}
/*
return sequenceNumber from @BASEINFO
*/
-static int ltdb_sequence_number(struct ldb_module *module, struct ldb_request *req)
+static int ltdb_sequence_number(struct ldb_module *module,
+ struct ldb_request *req)
{
TALLOC_CTX *tmp_ctx;
struct ldb_message *msg = NULL;
@@ -1031,7 +1056,7 @@ static const struct ldb_module_ops ltdb_ops = {
/*
connect to the database
*/
-static int ltdb_connect(struct ldb_context *ldb, const char *url,
+static int ltdb_connect(struct ldb_context *ldb, const char *url,
unsigned int flags, const char *options[],
struct ldb_module **module)
{
@@ -1042,7 +1067,8 @@ static int ltdb_connect(struct ldb_context *ldb, const char *url,
/* parse the url */
if (strchr(url, ':')) {
if (strncmp(url, "tdb://", 6) != 0) {
- ldb_debug(ldb, LDB_DEBUG_ERROR, "Invalid tdb URL '%s'", url);
+ ldb_debug(ldb, LDB_DEBUG_ERROR,
+ "Invalid tdb URL '%s'", url);
return -1;
}
path = url+6;
@@ -1075,11 +1101,12 @@ static int ltdb_connect(struct ldb_context *ldb, const char *url,
}
/* note that we use quite a large default hash size */
- ltdb->tdb = ltdb_wrap_open(ltdb, path, 10000,
- tdb_flags, open_flags,
+ ltdb->tdb = ltdb_wrap_open(ltdb, path, 10000,
+ tdb_flags, open_flags,
ldb->create_perms, ldb);
if (!ltdb->tdb) {
- ldb_debug(ldb, LDB_DEBUG_ERROR, "Unable to open tdb '%s'\n", path);
+ ldb_debug(ldb, LDB_DEBUG_ERROR,
+ "Unable to open tdb '%s'\n", path);
talloc_free(ltdb);
return -1;
}
generated by cgit (git 2.34.1) at 2024-11-02 08:10:49 +0000