return LDB_SUCCESS;
}
-/*
- * Gets back a single-valued attribute by the rules of the SAM triggers when
- * performing a modify operation
- */
-static int samldb_get_single_valued_attr(struct samldb_ctx *ac,
- const char *attr_name,
- struct ldb_message_element **attr)
-{
- struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
- struct ldb_message_element *el = NULL;
- unsigned int i;
-
- /* We've to walk over all modification entries and consider the
- * "attr_name" ones.
- *
- * 1.) Add operations aren't allowed and there is returned
- * "ATTRIBUTE_OR_VALUE_EXISTS".
- * 2.) Replace operations are allowed but the last one is taken
- * 3.) Delete operations are also not allowed and there is returned
- * "UNWILLING_TO_PERFORM".
- *
- * If "el" is afterwards NULL then that means we've nothing to do here.
- */
- for (i = 0; i < ac->msg->num_elements; i++) {
- if (ldb_attr_cmp(ac->msg->elements[i].name, attr_name) != 0) {
- continue;
- }
-
- el = &ac->msg->elements[i];
- if (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_ADD) {
- ldb_asprintf_errstring(ldb,
- "samldb: attribute '%s' already exists!",
- attr_name);
- return LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS;
- }
- if (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_DELETE) {
- ldb_asprintf_errstring(ldb,
- "samldb: attribute '%s' cannot be deleted!",
- attr_name);
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
- }
-
- *attr = el;
- return LDB_SUCCESS;
-}
-
/*
* "Objectclass" trigger (MS-SAMR 3.1.1.8.1)
*
struct ldb_result *res;
struct ldb_message_element *el;
struct ldb_message *msg;
- uint32_t rid;
- struct dom_sid *sid;
+ uint32_t prev_rid, new_rid;
+ struct dom_sid *prev_sid, *new_sid;
struct ldb_dn *prev_prim_group_dn, *new_prim_group_dn;
int ret;
- ret = samldb_get_single_valued_attr(ac, "primaryGroupID", &el);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
+ el = dsdb_get_single_valued_attr(ac->msg, "primaryGroupID");
if (el == NULL) {
/* we are not affected */
return LDB_SUCCESS;
/* Finds out the DN of the old primary group */
- rid = ldb_msg_find_attr_as_uint(res->msgs[0], "primaryGroupID", (uint32_t) -1);
- if (rid == (uint32_t) -1) {
+ prev_rid = ldb_msg_find_attr_as_uint(res->msgs[0], "primaryGroupID",
+ (uint32_t) -1);
+ if (prev_rid == (uint32_t) -1) {
/* User objects do always have a mandatory "primaryGroupID"
* attribute. If this doesn't exist then the object is of the
* wrong type. This is the exact Windows error code */
return LDB_ERR_OBJECT_CLASS_VIOLATION;
}
- sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), rid);
- if (sid == NULL) {
- return ldb_operr(ldb);
- }
-
- prev_prim_group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSid=%s)",
- ldap_encode_ndr_dom_sid(ac, sid));
- if (prev_prim_group_dn == NULL) {
+ prev_sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), prev_rid);
+ if (prev_sid == NULL) {
return ldb_operr(ldb);
}
if (ret != LDB_SUCCESS) {
return ret;
}
- rid = ldb_msg_find_attr_as_uint(msg, "primaryGroupID", (uint32_t) -1);
+ new_rid = ldb_msg_find_attr_as_uint(msg, "primaryGroupID", (uint32_t) -1);
talloc_free(msg);
- if (rid == (uint32_t) -1) {
+ if (new_rid == (uint32_t) -1) {
/* we aren't affected of any primary group change */
return LDB_SUCCESS;
}
- sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), rid);
- if (sid == NULL) {
+ if (prev_rid == new_rid) {
+ return LDB_SUCCESS;
+ }
+
+ prev_prim_group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSid=%s)",
+ ldap_encode_ndr_dom_sid(ac, prev_sid));
+ if (prev_prim_group_dn == NULL) {
+ return ldb_operr(ldb);
+ }
+
+ new_sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), new_rid);
+ if (new_sid == NULL) {
return ldb_operr(ldb);
}
new_prim_group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSid=%s)",
- ldap_encode_ndr_dom_sid(ac, sid));
+ ldap_encode_ndr_dom_sid(ac, new_sid));
if (new_prim_group_dn == NULL) {
/* Here we know if the specified new primary group candidate is
* valid or not. */
return LDB_ERR_UNWILLING_TO_PERFORM;
}
- /* Only update the "member" attributes when we really do have a change */
- if (ldb_dn_compare(new_prim_group_dn, prev_prim_group_dn) != 0) {
- /* We need to be already a normal member of the new primary
- * group in order to be successful. */
- el = samdb_find_attribute(ldb, res->msgs[0], "memberOf",
- ldb_dn_get_linearized(new_prim_group_dn));
- if (el == NULL) {
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
-
- /* Remove the "member" attribute on the new primary group */
- msg = ldb_msg_new(ac->msg);
- if (msg == NULL) {
- return ldb_module_oom(ac->module);
- }
- msg->dn = new_prim_group_dn;
+ /* We need to be already a normal member of the new primary
+ * group in order to be successful. */
+ el = samdb_find_attribute(ldb, res->msgs[0], "memberOf",
+ ldb_dn_get_linearized(new_prim_group_dn));
+ if (el == NULL) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
- ret = samdb_msg_add_delval(ldb, msg, msg, "member",
- ldb_dn_get_linearized(ac->msg->dn));
- if (ret != LDB_SUCCESS) {
- return ret;
- }
+ /* Remove the "member" attribute on the new primary group */
+ msg = ldb_msg_new(ac->msg);
+ if (msg == NULL) {
+ return ldb_module_oom(ac->module);
+ }
+ msg->dn = new_prim_group_dn;
- ret = dsdb_module_modify(ac->module, msg, DSDB_FLAG_NEXT_MODULE);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- talloc_free(msg);
+ ret = samdb_msg_add_delval(ldb, msg, msg, "member",
+ ldb_dn_get_linearized(ac->msg->dn));
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
- /* Add a "member" attribute for the previous primary group */
- msg = ldb_msg_new(ac->msg);
- if (msg == NULL) {
- return ldb_module_oom(ac->module);
- }
- msg->dn = prev_prim_group_dn;
+ ret = dsdb_module_modify(ac->module, msg, DSDB_FLAG_NEXT_MODULE);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ talloc_free(msg);
- ret = samdb_msg_add_addval(ldb, msg, msg, "member",
- ldb_dn_get_linearized(ac->msg->dn));
- if (ret != LDB_SUCCESS) {
- return ret;
- }
+ /* Add a "member" attribute for the previous primary group */
+ msg = ldb_msg_new(ac->msg);
+ if (msg == NULL) {
+ return ldb_module_oom(ac->module);
+ }
+ msg->dn = prev_prim_group_dn;
- ret = dsdb_module_modify(ac->module, msg, DSDB_FLAG_NEXT_MODULE);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- talloc_free(msg);
+ ret = samdb_msg_add_addval(ldb, msg, msg, "member",
+ ldb_dn_get_linearized(ac->msg->dn));
+ if (ret != LDB_SUCCESS) {
+ return ret;
}
- talloc_free(res);
+ ret = dsdb_module_modify(ac->module, msg, DSDB_FLAG_NEXT_MODULE);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ talloc_free(msg);
return LDB_SUCCESS;
}
struct ldb_message *tmp_msg;
int ret;
- ret = samldb_get_single_valued_attr(ac, "userAccountControl", &el);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
+ el = dsdb_get_single_valued_attr(ac->msg, "userAccountControl");
if (el == NULL) {
/* we are not affected */
return LDB_SUCCESS;
struct ldb_message *tmp_msg;
int ret;
- ret = samldb_get_single_valued_attr(ac, "groupType", &el);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
+ el = dsdb_get_single_valued_attr(ac->msg, "groupType");
if (el == NULL) {
/* we are not affected */
return LDB_SUCCESS;
struct ldb_message *tmp_msg;
int ret;
- ret = samldb_get_single_valued_attr(ac, "sAMAccountName", &el);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
+ el = dsdb_get_single_valued_attr(ac->msg, "sAMAccountName");
if (el == NULL) {
/* we are not affected */
return LDB_SUCCESS;
static int samldb_member_check(struct samldb_ctx *ac)
{
+ static const char * const attrs[] = { "objectSid", "member", NULL };
struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
struct ldb_message_element *el;
- struct ldb_dn *member_dn, *group_dn;
+ struct ldb_dn *member_dn;
uint32_t prim_group_rid;
struct dom_sid *sid;
+ struct ldb_result *res;
+ struct dom_sid *group_sid;
unsigned int i, j;
int cnt;
+ int ret;
+
+ /* Fetch informations from the existing object */
+
+ ret = ldb_search(ldb, ac, &res, ac->msg->dn, LDB_SCOPE_BASE, attrs,
+ NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ if (res->count != 1) {
+ return ldb_operr(ldb);
+ }
+
+ group_sid = samdb_result_dom_sid(res, res->msgs[0], "objectSid");
+ if (group_sid == NULL) {
+ return ldb_operr(ldb);
+ }
/* We've to walk over all modification entries and consider the "member"
* ones. */
el = &ac->msg->elements[i];
for (j = 0; j < el->num_values; j++) {
+ struct ldb_message_element *mo;
+
member_dn = ldb_dn_from_ldb_val(ac, ldb,
&el->values[j]);
if (!ldb_dn_validate(member_dn)) {
* ERR_NO_SUCH_ATTRIBUTE!)
* - primary group check
*/
- cnt = samdb_search_count(ldb, ac, ac->msg->dn,
- "(member=%s)",
- ldb_dn_get_linearized(member_dn));
- if (cnt < 0) {
- return ldb_operr(ldb);
+ mo = samdb_find_attribute(ldb, res->msgs[0], "member",
+ ldb_dn_get_linearized(member_dn));
+ if (mo == NULL) {
+ cnt = 0;
+ } else {
+ cnt = 1;
}
+
if ((cnt > 0) && (LDB_FLAG_MOD_TYPE(el->flags)
== LDB_FLAG_MOD_ADD)) {
return LDB_ERR_ENTRY_ALREADY_EXISTS;
return ldb_operr(ldb);
}
- group_dn = samdb_search_dn(ldb, ac, NULL,
- "(objectSid=%s)",
- ldap_encode_ndr_dom_sid(ac, sid));
- if (group_dn == NULL) {
- return ldb_operr(ldb);
- }
-
- if (ldb_dn_compare(group_dn, ac->msg->dn) == 0) {
+ if (dom_sid_equal(group_sid, sid)) {
return LDB_ERR_ENTRY_ALREADY_EXISTS;
}
}
unsigned int i;
int ret;
- /* Here it's not the same logic as with "samldb_get_single_valued_attr".
- * We need to:
- *
- * - consider "add" and "replace" operations - the last value we take
- * - ignore "delete" operations - obviously this attribute isn't
- * write protected
- */
- for (i = 0; i < ac->msg->num_elements; i++) {
- if ((ldb_attr_cmp(ac->msg->elements[i].name,
- "dNSHostName") == 0) &&
- (LDB_FLAG_MOD_TYPE(ac->msg->elements[i].flags)
- != LDB_FLAG_MOD_DELETE)) {
- el = &ac->msg->elements[i];
- }
- if ((ldb_attr_cmp(ac->msg->elements[i].name,
- "sAMAccountName") == 0) &&
- (LDB_FLAG_MOD_TYPE(ac->msg->elements[i].flags)
- != LDB_FLAG_MOD_DELETE)) {
- el2 = &ac->msg->elements[i];
- }
- }
+ el = dsdb_get_single_valued_attr(ac->msg, "dNSHostName");
+ el2 = dsdb_get_single_valued_attr(ac->msg, "sAMAccountName");
if ((el == NULL) && (el2 == NULL)) {
/* we are not affected */
return LDB_SUCCESS;
git.samba.org / metze / samba / wip.git / blobdiff