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-rw-r--r--source4/dsdb/samdb/ldb_modules/samldb.c176
1 files changed, 176 insertions, 0 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/samldb.c b/source4/dsdb/samdb/ldb_modules/samldb.c
index bf804fd54c..56b2c43c28 100644
--- a/source4/dsdb/samdb/ldb_modules/samldb.c
+++ b/source4/dsdb/samdb/ldb_modules/samldb.c
@@ -907,6 +907,182 @@ static int samldb_schema_info_update(struct samldb_ctx *ac)
return LDB_SUCCESS;
}
+/*
+ * "Objectclass" trigger (MS-SAMR 3.1.1.8.1)
+ *
+ * Has to be invoked on "add" and "modify" operations on "user", "computer" and
+ * "group" objects.
+ * ac->msg contains the "add"/"modify" message
+ * ac->type contains the object type (main objectclass)
+ */
+static int samldb_objectclass_trigger(struct samldb_ctx *ac)
+{
+ struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
+ struct loadparm_context *lp_ctx = talloc_get_type(ldb_get_opaque(ldb,
+ "loadparm"), struct loadparm_context);
+ struct ldb_message_element *el, *el2;
+ enum sid_generator sid_generator;
+ struct dom_sid *sid;
+ int ret;
+
+ /* make sure that "sAMAccountType" is not specified */
+ el = ldb_msg_find_element(ac->msg, "sAMAccountType");
+ if (el != NULL) {
+ ldb_set_errstring(ldb,
+ "samldb: sAMAccountType must not be specified!");
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+
+ /* Step 1: objectSid assignment */
+
+ /* Don't allow the objectSid to be changed. But beside the RELAX
+ * control we have also to guarantee that it can always be set with
+ * SYSTEM permissions. This is needed for the "samba3sam" backend. */
+ sid = samdb_result_dom_sid(ac, ac->msg, "objectSid");
+ if ((sid != NULL) && (!dsdb_module_am_system(ac->module)) &&
+ (ldb_request_get_control(ac->req, LDB_CONTROL_RELAX_OID) == NULL)) {
+ ldb_asprintf_errstring(ldb, "No SID may be specified in user/group modifications for %s",
+ ldb_dn_get_linearized(ac->msg->dn));
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+
+ /* but generate a new SID when we do have an add operations */
+ if ((sid == NULL) && (ac->req->operation == LDB_ADD)) {
+ sid_generator = lpcfg_sid_generator(lp_ctx);
+ if (sid_generator == SID_GENERATOR_INTERNAL) {
+ ret = samldb_add_step(ac, samldb_allocate_sid);
+ if (ret != LDB_SUCCESS) return ret;
+ }
+ }
+
+ if (strcmp(ac->type, "user") == 0) {
+ /* Step 1.2: Default values */
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "userAccountControl",
+ talloc_asprintf(ac->msg, "%u", UF_NORMAL_ACCOUNT));
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "badPwdCount", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "codePage", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "countryCode", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "badPasswordTime", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "lastLogoff", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "lastLogon", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "pwdLastSet", "0");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "accountExpires", "9223372036854775807");
+ if (ret != LDB_SUCCESS) return ret;
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "logonCount", "0");
+ if (ret != LDB_SUCCESS) return ret;
+
+ el = ldb_msg_find_element(ac->msg, "userAccountControl");
+ if (el != NULL) {
+ uint32_t user_account_control, account_type;
+
+ /* Step 1.3: "userAccountControl" -> "sAMAccountType" mapping */
+ user_account_control = strtoul((const char *)el->values[0].data,
+ NULL, 0);
+ 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;
+ }
+ 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_set_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;
+ }
+
+ /* Step 1.4: "userAccountControl" -> "primaryGroupID" mapping */
+ 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;
+ }
+
+ /* Step 1.5: Add additional flags when needed */
+ if ((user_account_control & UF_NORMAL_ACCOUNT) &&
+ (ldb_request_get_control(ac->req, LDB_CONTROL_RELAX_OID) == NULL)) {
+ user_account_control |= UF_ACCOUNTDISABLE;
+ user_account_control |= UF_PASSWD_NOTREQD;
+
+ ret = samdb_msg_set_uint(ldb, ac->msg, ac->msg,
+ "userAccountControl",
+ user_account_control);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ }
+
+ } else if (strcmp(ac->type, "group") == 0) {
+ /* Step 2.2: Default values */
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "groupType",
+ talloc_asprintf(ac->msg, "%u", GTYPE_SECURITY_GLOBAL_GROUP));
+ if (ret != LDB_SUCCESS) return ret;
+
+ /* Step 2.3: "groupType" -> "sAMAccountType" */
+ el = ldb_msg_find_element(ac->msg, "groupType");
+ if (el != NULL) {
+ uint32_t group_type, account_type;
+
+ group_type = strtoul((const char *)el->values[0].data,
+ NULL, 0);
+ 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;
+ }
+ }
+
+ return LDB_SUCCESS;
+}
static int samldb_prim_group_change(struct samldb_ctx *ac)
{
generated by cgit (git 2.34.1) at 2024-10-31 13:55:56 +0000