Issue #1258 - Part 1: Import mailnews, ldap, and mork from comm-esr52.9.1

1 files changed, 177 insertions, 0 deletions

diff --git a/ldap/c-sdk/libraries/libldap/referral.c b/ldap/c-sdk/libraries/libldap/referral.c
new file mode 100644
index 000000000..742d3d986
--- /dev/null
+++ b/ldap/c-sdk/libraries/libldap/referral.c
@@ -0,0 +1,177 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ * 
+ * The contents of this file are subject to the Mozilla Public License Version 
+ * 1.1 (the "License"); you may not use this file except in compliance with 
+ * the License. You may obtain a copy of the License at 
+ * http://www.mozilla.org/MPL/
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ * 
+ * The Original Code is Mozilla Communicator client code, released
+ * March 31, 1998.
+ * 
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998-1999
+ * the Initial Developer. All Rights Reserved.
+ * 
+ * Contributor(s):
+ * 
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ * 
+ * ***** END LICENSE BLOCK ***** */
+/*
+ *  referral.c - routines for handling LDAPv3 referrals and references.
+ */
+
+#include "ldap-int.h"
+
+
+LDAPMessage *
+LDAP_CALL
+ldap_first_reference( LDAP *ld, LDAPMessage *res )
+{
+	if ( !NSLDAPI_VALID_LDAP_POINTER( ld ) || res == NULLMSG ) {
+		return( NULLMSG );
+	}
+
+	if ( res->lm_msgtype == LDAP_RES_SEARCH_REFERENCE ) {
+		return( res );
+	}
+
+	return( ldap_next_reference( ld, res ));
+}
+
+
+LDAPMessage *
+LDAP_CALL
+ldap_next_reference( LDAP *ld, LDAPMessage *ref )
+{
+	if ( !NSLDAPI_VALID_LDAP_POINTER( ld ) || ref == NULLMSG ) {
+		return( NULLMSG );		/* punt */
+	}
+
+	for ( ref = ref->lm_chain; ref != NULLMSG; ref = ref->lm_chain ) {
+		if ( ref->lm_msgtype == LDAP_RES_SEARCH_REFERENCE ) {
+			return( ref );
+		}
+	}
+
+	return( NULLMSG );
+}
+
+
+int
+LDAP_CALL
+ldap_count_references( LDAP *ld, LDAPMessage *res )
+{
+	int	i;
+
+	if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
+		return( -1 );
+	}
+
+	for ( i = 0; res != NULL; res = res->lm_chain ) {
+		if ( res->lm_msgtype == LDAP_RES_SEARCH_REFERENCE ) {
+			++i;
+		}
+	}
+
+	return( i );
+}
+
+
+/*
+ * returns an LDAP error code.
+ */
+int
+LDAP_CALL
+ldap_parse_reference( LDAP *ld, LDAPMessage *ref, char ***referralsp,
+    LDAPControl ***serverctrlsp, int freeit )
+{
+	int		err;
+
+	if ( !NSLDAPI_VALID_LDAP_POINTER( ld ) ||
+	    !NSLDAPI_VALID_LDAPMESSAGE_REFERENCE_POINTER( ref )) {
+		return( LDAP_PARAM_ERROR );
+	}
+
+	err = nsldapi_parse_reference( ld, ref->lm_ber, referralsp,
+		serverctrlsp );
+
+	LDAP_SET_LDERRNO( ld, err, NULL, NULL );
+
+	if ( freeit ) {
+		ldap_msgfree( ref );
+	}
+
+	return( err );
+}
+
+
+/*
+ * returns an LDAP error code indicating success or failure of parsing
+ * does NOT set any error information inside "ld"
+ */
+int
+nsldapi_parse_reference( LDAP *ld, BerElement *rber, char ***referralsp,
+    LDAPControl ***serverctrlsp )
+{
+	int		err;
+	BerElement	ber;
+	char		**refs;
+
+	/*
+	 * Parse a searchResultReference message.  These are used in LDAPv3
+	 * and beyond and look like this:
+	 *
+	 *	SearchResultReference ::= [APPLICATION 19] SEQUENCE OF LDAPURL
+	 *
+	 * all wrapped up in an LDAPMessage sequence which looks like this:
+	 *
+	 *	LDAPMessage ::= SEQUENCE {
+	 *		messageID	MessageID,
+	 *		SearchResultReference
+	 *		controls	[0] Controls OPTIONAL
+	 *	}
+	 *
+	 * ldap_result() pulls out the message id, so by the time a result
+	 * message gets here we are conveniently sitting at the start of the
+	 * SearchResultReference itself.
+	 */
+	err = LDAP_SUCCESS;	/* optimistic */
+	ber = *rber;		/* struct copy */
+
+	if ( ber_scanf( &ber, "{v", &refs ) == LBER_ERROR ) {
+	    err = LDAP_DECODING_ERROR;
+	} else if ( serverctrlsp != NULL ) {
+	    /* pull out controls (if requested and any are present) */
+	    if ( ber_scanf( &ber, "}" ) == LBER_ERROR ) {
+		err = LDAP_DECODING_ERROR;
+	    } else {
+		err = nsldapi_get_controls( &ber, serverctrlsp );
+	    }
+	}
+
+	if ( referralsp == NULL ) {
+	    ldap_value_free( refs );
+	} else {
+	    *referralsp = refs;
+	}
+
+	return( err );
+}