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s4:ldap_server Ensure we don't segfault when sent a NULL new RDN

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The Microsoft testsuite tried to rename
cn=administrator,cn=users,... into "",cn=users... which didn't go so well.

Andrew Bartlett
This commit is contained in:
Andrew Bartlett 2009-09-25 08:06:37 -07:00 committed by Matthias Dieter Wallnöfer
parent 4c235ca787
commit 737f21bd9d
1 changed files with 7 additions and 4 deletions
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11
source4/ldap_server/ldap_backend.c
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@ -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;
}