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authorMatthias Dieter Wallnöfer <mdw@samba.org>2010-10-30 19:56:54 +0200
committerMatthias Dieter Wallnöfer <mdw@samba.org>2010-10-30 19:07:20 +0000
commit9401189d5435632bcc6a177845ce03beaa804113 (patch)
tree9fbeb26f4bf5ff4fa63d35b8e9fcc0c15604e55e /source4
parent098ea71728eb6389ff4c5314d17df533f79a07a8 (diff)
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s4:samldb LDB module - make the "userAccountControl" and "groupType" modify handlers separate functions
It's easier to maintain afterwards Autobuild-User: Matthias Dieter Wallnöfer <mdw@samba.org> Autobuild-Date: Sat Oct 30 19:07:20 UTC 2010 on sn-devel-104
Diffstat (limited to 'source4')
-rw-r--r--source4/dsdb/samdb/ldb_modules/samldb.c295
1 files changed, 173 insertions, 122 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/samldb.c b/source4/dsdb/samdb/ldb_modules/samldb.c
index 5687560976..9b6d6e03cc 100644
--- a/source4/dsdb/samdb/ldb_modules/samldb.c
+++ b/source4/dsdb/samdb/ldb_modules/samldb.c
@@ -1188,6 +1188,169 @@ static int samldb_prim_group_trigger(struct samldb_ctx *ac)
return ret;
}
+static int samldb_user_account_control_change(struct samldb_ctx *ac)
+{
+ struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
+ uint32_t user_account_control, account_type;
+ struct ldb_message_element *el;
+ struct ldb_message *tmp_msg;
+ int ret;
+
+ ret = samldb_get_single_valued_attr(ac, "userAccountControl", &el);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ if (el == NULL) {
+ /* we are not affected */
+ return LDB_SUCCESS;
+ }
+
+ /* Create a temporary message for fetching the "userAccountControl" */
+ tmp_msg = ldb_msg_new(ac->msg);
+ if (tmp_msg == NULL) {
+ return ldb_module_oom(ac->module);
+ }
+ ret = ldb_msg_add(tmp_msg, el, 0);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ user_account_control = ldb_msg_find_attr_as_uint(tmp_msg,
+ "userAccountControl",
+ 0);
+ talloc_free(tmp_msg);
+
+ /* Temporary duplicate accounts aren't allowed */
+ if ((user_account_control & UF_TEMP_DUPLICATE_ACCOUNT) != 0) {
+ return LDB_ERR_OTHER;
+ }
+
+ account_type = ds_uf2atype(user_account_control);
+ if (account_type == 0) {
+ ldb_set_errstring(ldb, "samldb: Unrecognized account type!");
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg, "sAMAccountType",
+ account_type);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ el = ldb_msg_find_element(ac->msg, "sAMAccountType");
+ el->flags = LDB_FLAG_MOD_REPLACE;
+
+ if (user_account_control
+ & (UF_SERVER_TRUST_ACCOUNT | UF_PARTIAL_SECRETS_ACCOUNT)) {
+ ret = samdb_msg_add_string(ldb, ac->msg, ac->msg,
+ "isCriticalSystemObject", "TRUE");
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ el = ldb_msg_find_element(ac->msg,
+ "isCriticalSystemObject");
+ el->flags = LDB_FLAG_MOD_REPLACE;
+ }
+
+ if (!ldb_msg_find_element(ac->msg, "primaryGroupID")) {
+ uint32_t rid = ds_uf2prim_group_rid(user_account_control);
+ ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
+ "primaryGroupID", rid);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ el = ldb_msg_find_element(ac->msg,
+ "primaryGroupID");
+ el->flags = LDB_FLAG_MOD_REPLACE;
+ }
+
+ return LDB_SUCCESS;
+}
+
+static int samldb_group_type_change(struct samldb_ctx *ac)
+{
+ struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
+ uint32_t group_type, old_group_type, account_type;
+ struct ldb_message_element *el;
+ struct ldb_message *tmp_msg;
+ int ret;
+
+ ret = samldb_get_single_valued_attr(ac, "groupType", &el);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ if (el == NULL) {
+ /* we are not affected */
+ return LDB_SUCCESS;
+ }
+
+ /* Create a temporary message for fetching the "groupType" */
+ tmp_msg = ldb_msg_new(ac->msg);
+ if (tmp_msg == NULL) {
+ return ldb_module_oom(ac->module);
+ }
+ ret = ldb_msg_add(tmp_msg, el, 0);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ group_type = ldb_msg_find_attr_as_uint(tmp_msg, "groupType", 0);
+ talloc_free(tmp_msg);
+
+ old_group_type = samdb_search_uint(ldb, ac, 0, ac->msg->dn,
+ "groupType", NULL);
+ if (old_group_type == 0) {
+ return ldb_operr(ldb);
+ }
+
+ /* Group type switching isn't so easy as it seems: We can only
+ * change in this directions: global <-> universal <-> local
+ * On each step also the group type itself
+ * (security/distribution) is variable. */
+
+ switch (group_type) {
+ case GTYPE_SECURITY_GLOBAL_GROUP:
+ case GTYPE_DISTRIBUTION_GLOBAL_GROUP:
+ /* change to "universal" allowed */
+ if ((old_group_type == GTYPE_SECURITY_DOMAIN_LOCAL_GROUP) ||
+ (old_group_type == GTYPE_DISTRIBUTION_DOMAIN_LOCAL_GROUP)) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ break;
+
+ case GTYPE_SECURITY_UNIVERSAL_GROUP:
+ case GTYPE_DISTRIBUTION_UNIVERSAL_GROUP:
+ /* each change allowed */
+ break;
+
+ case GTYPE_SECURITY_DOMAIN_LOCAL_GROUP:
+ case GTYPE_DISTRIBUTION_DOMAIN_LOCAL_GROUP:
+ /* change to "universal" allowed */
+ if ((old_group_type == GTYPE_SECURITY_GLOBAL_GROUP) ||
+ (old_group_type == GTYPE_DISTRIBUTION_GLOBAL_GROUP)) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ break;
+
+ case GTYPE_SECURITY_BUILTIN_LOCAL_GROUP:
+ default:
+ /* we don't allow this "groupType" values */
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ break;
+ }
+
+ account_type = ds_gtype2atype(group_type);
+ if (account_type == 0) {
+ ldb_set_errstring(ldb, "samldb: Unrecognized account type!");
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg, "sAMAccountType",
+ account_type);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ el = ldb_msg_find_element(ac->msg, "sAMAccountType");
+ el->flags = LDB_FLAG_MOD_REPLACE;
+
+ return LDB_SUCCESS;
+}
+
static int samldb_member_check(struct samldb_ctx *ac)
{
struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
@@ -1379,10 +1542,9 @@ static int samldb_modify(struct ldb_module *module, struct ldb_request *req)
{
struct ldb_context *ldb;
struct samldb_ctx *ac;
- struct ldb_message_element *el, *el2;
+ struct ldb_message_element *el;
bool modified = false;
int ret;
- uint32_t account_type;
if (ldb_dn_is_special(req->op.mod.message->dn)) {
/* do not manipulate our control entries */
@@ -1431,75 +1593,6 @@ static int samldb_modify(struct ldb_module *module, struct ldb_request *req)
return ldb_operr(ldb);
}
- el = ldb_msg_find_element(ac->msg, "groupType");
- if (el && (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_REPLACE)
- && el->num_values == 1) {
- uint32_t group_type, old_group_type;
-
- modified = true;
-
- group_type = ldb_msg_find_attr_as_uint(ac->msg, "groupType", 0);
- old_group_type = samdb_search_uint(ldb, ac, 0, ac->msg->dn,
- "groupType", NULL);
- if (old_group_type == 0) {
- return ldb_operr(ldb);
- }
-
- /* Group type switching isn't so easy as it seems: We can only
- * change in this directions: global <-> universal <-> local
- * On each step also the group type itself
- * (security/distribution) is variable. */
-
- switch (group_type) {
- case GTYPE_SECURITY_GLOBAL_GROUP:
- case GTYPE_DISTRIBUTION_GLOBAL_GROUP:
- /* change to "universal" allowed */
- if ((old_group_type == GTYPE_SECURITY_DOMAIN_LOCAL_GROUP) ||
- (old_group_type == GTYPE_DISTRIBUTION_DOMAIN_LOCAL_GROUP)) {
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
- break;
-
- case GTYPE_SECURITY_UNIVERSAL_GROUP:
- case GTYPE_DISTRIBUTION_UNIVERSAL_GROUP:
- /* each change allowed */
- break;
-
- case GTYPE_SECURITY_DOMAIN_LOCAL_GROUP:
- case GTYPE_DISTRIBUTION_DOMAIN_LOCAL_GROUP:
- /* change to "universal" allowed */
- if ((old_group_type == GTYPE_SECURITY_GLOBAL_GROUP) ||
- (old_group_type == GTYPE_DISTRIBUTION_GLOBAL_GROUP)) {
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
- break;
-
- case GTYPE_SECURITY_BUILTIN_LOCAL_GROUP:
- default:
- /* we don't allow this "groupType" values */
- return LDB_ERR_UNWILLING_TO_PERFORM;
- break;
- }
-
- account_type = ds_gtype2atype(group_type);
- if (account_type == 0) {
- ldb_set_errstring(ldb, "samldb: Unrecognized account type!");
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
- ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
- "sAMAccountType",
- account_type);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- el2 = ldb_msg_find_element(ac->msg, "sAMAccountType");
- el2->flags = LDB_FLAG_MOD_REPLACE;
- }
- el = ldb_msg_find_element(ac->msg, "groupType");
- if (el && (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_DELETE)) {
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
-
el = ldb_msg_find_element(ac->msg, "primaryGroupID");
if (el != NULL) {
ret = samldb_prim_group_change(ac);
@@ -1509,64 +1602,22 @@ static int samldb_modify(struct ldb_module *module, struct ldb_request *req)
}
el = ldb_msg_find_element(ac->msg, "userAccountControl");
- if (el && (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_REPLACE)
- && el->num_values == 1) {
- uint32_t user_account_control;
-
+ if (el != NULL) {
modified = true;
-
- user_account_control = ldb_msg_find_attr_as_uint(ac->msg,
- "userAccountControl",
- 0);
-
- /* Temporary duplicate accounts aren't allowed */
- if ((user_account_control & UF_TEMP_DUPLICATE_ACCOUNT) != 0) {
- return LDB_ERR_OTHER;
- }
-
- account_type = ds_uf2atype(user_account_control);
- if (account_type == 0) {
- ldb_set_errstring(ldb, "samldb: Unrecognized account type!");
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
- ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
- "sAMAccountType",
- account_type);
+ ret = samldb_user_account_control_change(ac);
if (ret != LDB_SUCCESS) {
return ret;
}
- el2 = ldb_msg_find_element(ac->msg, "sAMAccountType");
- el2->flags = LDB_FLAG_MOD_REPLACE;
-
- if (user_account_control & (UF_SERVER_TRUST_ACCOUNT | UF_PARTIAL_SECRETS_ACCOUNT)) {
- ret = samdb_msg_add_string(ldb, ac->msg, ac->msg,
- "isCriticalSystemObject",
- "TRUE");
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- el2 = ldb_msg_find_element(ac->msg,
- "isCriticalSystemObject");
- el2->flags = LDB_FLAG_MOD_REPLACE;
- }
-
- if (!ldb_msg_find_element(ac->msg, "primaryGroupID")) {
- uint32_t rid = ds_uf2prim_group_rid(user_account_control);
+ }
- ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
- "primaryGroupID", rid);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- el2 = ldb_msg_find_element(ac->msg,
- "primaryGroupID");
- el2->flags = LDB_FLAG_MOD_REPLACE;
+ el = ldb_msg_find_element(ac->msg, "groupType");
+ if (el != NULL) {
+ modified = true;
+ ret = samldb_group_type_change(ac);
+ if (ret != LDB_SUCCESS) {
+ return ret;
}
}
- el = ldb_msg_find_element(ac->msg, "userAccountControl");
- if (el && (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_DELETE)) {
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
el = ldb_msg_find_element(ac->msg, "member");
if (el != NULL) {