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authorAndrew Bartlett <abartlet@samba.org>2009-09-25 08:06:37 -0700
committerMatthias Dieter Wallnöfer <mwallnoefer@yahoo.de>2009-10-02 12:45:06 +0200
commit737f21bd9d2032b80d46b6e4a7d896dc9e1cdb32 (patch)
treea1c62f12ad5b61d664d30738a0aa9fab5377235d /source4
parent4c235ca78728a472215bd761fe041efdb1831a07 (diff)
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s4:ldap_server Ensure we don't segfault when sent a NULL new RDN
The Microsoft testsuite tried to rename cn=administrator,cn=users,... into "",cn=users... which didn't go so well. Andrew Bartlett
Diffstat (limited to 'source4')
-rw-r--r--source4/ldap_server/ldap_backend.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/source4/ldap_server/ldap_backend.c b/source4/ldap_server/ldap_backend.c
index 27b9c879bb..7bbc6795d3 100644
--- a/source4/ldap_server/ldap_backend.c
+++ b/source4/ldap_server/ldap_backend.c
@@ -750,6 +750,12 @@ static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call)
DEBUG(10, ("ModifyDNRequest: olddn: [%s]\n", req->dn));
DEBUG(10, ("ModifyDNRequest: newrdn: [%s]\n", req->newrdn));
+ if (ldb_dn_get_comp_num(req->newrdn) != 1) {
+ result = LDAP_INVALID_DN_SYNTAX;
+ map_ldb_error(local_ctx, LDB_ERR_INVALID_DN_SYNTAX, &errstr);
+ goto reply;
+ }
+
/* we can't handle the rename if we should not remove the old dn */
if (!req->deleteolddn) {
result = LDAP_UNWILLING_TO_PERFORM;
@@ -779,10 +785,7 @@ static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call)
NT_STATUS_HAVE_NO_MEMORY(parentdn);
}
- if ( ! ldb_dn_add_child_fmt(parentdn,
- "%s=%s",
- ldb_dn_get_rdn_name(newrdn),
- (char *)ldb_dn_get_rdn_val(newrdn)->data)) {
+ if ( ! ldb_dn_add_child(parentdn, newrdn)) {
result = LDAP_OTHER;
goto reply;
}