ITS#3032: retry when GSSAPI creds are not available

[openldap] / servers / slapd / back-ldap / extended.c

diff --git a/servers/slapd/back-ldap/extended.c b/servers/slapd/back-ldap/extended.c
index 5a8b7535b3f5ce12746f493fb8241c3e951e6def..4403fbaaf51dcc831385f385148284100b083002 100644 (file)
--- a/servers/slapd/back-ldap/extended.c
+++ b/servers/slapd/back-ldap/extended.c
@@ -1,8 +1,22 @@
 /* extended.c - ldap backend extended routines */
 /* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2003-2004 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was initially developed by the Howard Chu for inclusion
+ * in OpenLDAP Software and subsequently enhanced by Pierangelo
+ * Masarati. 
  */
 
 #include "portable.h"
@@ -33,7 +47,40 @@ ldap_back_extended(
 
        for( i=0; exop_table[i].extended != NULL; i++ ) {
                if( ber_bvcmp( exop_table[i].oid, &op->oq_extended.rs_reqoid ) == 0 ) {
+#ifdef LDAP_BACK_PROXY_AUTHZ 
+                       struct ldapconn *lc;
+                       LDAPControl **oldctrls = NULL;
+                       int rc;
+
+                       /* FIXME: this needs to be called here, so it is
+                        * called twice; maybe we could avoid the 
+                        * ldap_back_dobind() call inside each extended()
+                        * call ... */
+                       lc = ldap_back_getconn(op, rs);
+                       if (!lc || !ldap_back_dobind(lc, op, rs) ) {
+                               return -1;
+                       }
+
+                       oldctrls = op->o_ctrls;
+                       if ( ldap_back_proxy_authz_ctrl( lc, op, rs, &op->o_ctrls ) ) {
+                               op->o_ctrls = oldctrls;
+                               send_ldap_result( op, rs );
+                               rs->sr_text = NULL;
+                               return rs->sr_err;
+                       }
+
+                       rc = (exop_table[i].extended)( op, rs );
+
+                       if ( op->o_ctrls && op->o_ctrls != oldctrls ) {
+                               free( op->o_ctrls[ 0 ] );
+                               free( op->o_ctrls );
+                       }
+                       op->o_ctrls = oldctrls;
+
+                       return rc;
+#else /* ! LDAP_BACK_PROXY_AUTHZ */
                        return (exop_table[i].extended)( op, rs );
+#endif /* ! LDAP_BACK_PROXY_AUTHZ */
                }
        }
 
@@ -48,13 +95,11 @@ ldap_back_exop_passwd(
 {
        struct ldapinfo *li = (struct ldapinfo *) op->o_bd->be_private;
        struct ldapconn *lc;
-       struct berval id = { 0, NULL };
-       struct berval old = { 0, NULL };
-       struct berval new = { 0, NULL };
-       struct berval dn, mdn = { 0, NULL }, newpw;
+       req_pwdexop_s *qpw = &op->oq_pwdexop;
+       struct berval mdn = { 0, NULL }, newpw;
        LDAPMessage *res;
        ber_int_t msgid;
-       int rc;
+       int rc, isproxy;
        dncookie dc;
 
        lc = ldap_back_getconn(op, rs);
@@ -62,48 +107,37 @@ ldap_back_exop_passwd(
                return -1;
        }
 
-       rc = slap_passwd_parse( op->oq_extended.rs_reqdata, &id, &old, &new, &rs->sr_text );
-       if (rc != LDAP_SUCCESS)
-               return rc;
-       
-       if (id.bv_len) {
-               dn = id;
-       } else {
-               dn = op->o_dn;
-       }
+       isproxy = ber_bvcmp( &op->o_req_ndn, &op->o_ndn );
 
 #ifdef NEW_LOGGING
        LDAP_LOG ( ACL, DETAIL1, "ldap_back_exop_passwd: \"%s\"%s\"\n",
-               dn.bv_val, id.bv_len ? " (proxy)" : "", 0 );
+               op->o_req_dn.bv_val, isproxy ? " (proxy)" : "", 0 );
 #else
        Debug( LDAP_DEBUG_TRACE, "ldap_back_exop_passwd: \"%s\"%s\n",
-               dn.bv_val, id.bv_len ? " (proxy)" : "", 0 );
+               op->o_req_dn.bv_val, isproxy ? " (proxy)" : "", 0 );
 #endif
 
-       if (dn.bv_len == 0) {
-               rs->sr_text = "No password is associated with the Root DSE";
-               return LDAP_UNWILLING_TO_PERFORM;
-       }
-       if (id.bv_len) {
+       if ( isproxy ) {
                dc.rwmap = &li->rwmap;
 #ifdef ENABLE_REWRITE
                dc.conn = op->o_conn;
                dc.rs = rs;
-               dc.ctx = "modifyPwd";
+               dc.ctx = "exopPasswdDN";
 #else
                dc.tofrom = 1;
                dc.normalized = 0;
 #endif
-               if ( ldap_back_dn_massage( &dc, &dn, &mdn ) ) {
+               if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
                        send_ldap_result( op, rs );
                        return -1;
                }
        }
 
-       rc = ldap_passwd(lc->ld, id.bv_len ? &mdn : NULL, old.bv_len ? &old : NULL,
-               new.bv_len ? &new : NULL, op->o_ctrls, NULL, &msgid);
+       rc = ldap_passwd(lc->ld, isproxy ? &mdn : NULL,
+               qpw->rs_old.bv_len ? &qpw->rs_old : NULL,
+               qpw->rs_new.bv_len ? &qpw->rs_new : NULL, op->o_ctrls, NULL, &msgid);
 
-       if (mdn.bv_val != dn.bv_val) {
+       if (mdn.bv_val != op->o_req_dn.bv_val) {
                free(mdn.bv_val);
        }