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https://git.openldap.org/openldap/openldap.git
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399 lines
11 KiB
C
399 lines
11 KiB
C
/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 1998-2015 The OpenLDAP Foundation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/stdlib.h>
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#include <ac/socket.h>
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#include <ac/string.h>
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#include <ac/time.h>
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#include "ldap-int.h"
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void ldap_int_error_init( void ) {
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}
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char *
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ldap_err2string( int err )
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{
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char *m;
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Debug( LDAP_DEBUG_TRACE, "ldap_err2string\n", 0, 0, 0 );
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switch ( err ) {
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# define C(code, message) case code: m = message; break
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/* LDAPv3 (RFC 4511) codes */
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C(LDAP_SUCCESS, N_("Success"));
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C(LDAP_OPERATIONS_ERROR, N_("Operations error"));
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C(LDAP_PROTOCOL_ERROR, N_("Protocol error"));
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C(LDAP_TIMELIMIT_EXCEEDED, N_("Time limit exceeded"));
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C(LDAP_SIZELIMIT_EXCEEDED, N_("Size limit exceeded"));
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C(LDAP_COMPARE_FALSE, N_("Compare False"));
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C(LDAP_COMPARE_TRUE, N_("Compare True"));
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C(LDAP_STRONG_AUTH_NOT_SUPPORTED,N_("Authentication method not supported"));
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C(LDAP_STRONG_AUTH_REQUIRED, N_("Strong(er) authentication required"));
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C(LDAP_REFERRAL, N_("Referral"));
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C(LDAP_ADMINLIMIT_EXCEEDED, N_("Administrative limit exceeded"));
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C(LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
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N_("Critical extension is unavailable"));
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C(LDAP_CONFIDENTIALITY_REQUIRED,N_("Confidentiality required"));
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C(LDAP_SASL_BIND_IN_PROGRESS, N_("SASL bind in progress"));
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C(LDAP_NO_SUCH_ATTRIBUTE, N_("No such attribute"));
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C(LDAP_UNDEFINED_TYPE, N_("Undefined attribute type"));
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C(LDAP_INAPPROPRIATE_MATCHING, N_("Inappropriate matching"));
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C(LDAP_CONSTRAINT_VIOLATION, N_("Constraint violation"));
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C(LDAP_TYPE_OR_VALUE_EXISTS, N_("Type or value exists"));
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C(LDAP_INVALID_SYNTAX, N_("Invalid syntax"));
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C(LDAP_NO_SUCH_OBJECT, N_("No such object"));
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C(LDAP_ALIAS_PROBLEM, N_("Alias problem"));
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C(LDAP_INVALID_DN_SYNTAX, N_("Invalid DN syntax"));
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C(LDAP_ALIAS_DEREF_PROBLEM, N_("Alias dereferencing problem"));
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C(LDAP_INAPPROPRIATE_AUTH, N_("Inappropriate authentication"));
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C(LDAP_INVALID_CREDENTIALS, N_("Invalid credentials"));
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C(LDAP_INSUFFICIENT_ACCESS, N_("Insufficient access"));
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C(LDAP_BUSY, N_("Server is busy"));
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C(LDAP_UNAVAILABLE, N_("Server is unavailable"));
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C(LDAP_UNWILLING_TO_PERFORM, N_("Server is unwilling to perform"));
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C(LDAP_LOOP_DETECT, N_("Loop detected"));
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C(LDAP_NAMING_VIOLATION, N_("Naming violation"));
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C(LDAP_OBJECT_CLASS_VIOLATION, N_("Object class violation"));
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C(LDAP_NOT_ALLOWED_ON_NONLEAF, N_("Operation not allowed on non-leaf"));
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C(LDAP_NOT_ALLOWED_ON_RDN, N_("Operation not allowed on RDN"));
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C(LDAP_ALREADY_EXISTS, N_("Already exists"));
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C(LDAP_NO_OBJECT_CLASS_MODS, N_("Cannot modify object class"));
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C(LDAP_AFFECTS_MULTIPLE_DSAS, N_("Operation affects multiple DSAs"));
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/* Virtual List View draft */
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C(LDAP_VLV_ERROR, N_("Virtual List View error"));
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C(LDAP_OTHER, N_("Other (e.g., implementation specific) error"));
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/* LDAPv2 (RFC 1777) codes */
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C(LDAP_PARTIAL_RESULTS, N_("Partial results and referral received"));
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C(LDAP_IS_LEAF, N_("Entry is a leaf"));
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/* Connection-less LDAP (CLDAP - RFC 1798) code */
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C(LDAP_RESULTS_TOO_LARGE, N_("Results too large"));
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/* Cancel Operation (RFC 3909) codes */
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C(LDAP_CANCELLED, N_("Cancelled"));
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C(LDAP_NO_SUCH_OPERATION, N_("No Operation to Cancel"));
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C(LDAP_TOO_LATE, N_("Too Late to Cancel"));
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C(LDAP_CANNOT_CANCEL, N_("Cannot Cancel"));
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/* Assert Control (RFC 4528 and old internet-draft) codes */
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C(LDAP_ASSERTION_FAILED, N_("Assertion Failed"));
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C(LDAP_X_ASSERTION_FAILED, N_("Assertion Failed (X)"));
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/* Proxied Authorization Control (RFC 4370 and I-D) codes */
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C(LDAP_PROXIED_AUTHORIZATION_DENIED, N_("Proxied Authorization Denied"));
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C(LDAP_X_PROXY_AUTHZ_FAILURE, N_("Proxy Authorization Failure (X)"));
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/* Content Sync Operation (RFC 4533 and I-D) codes */
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C(LDAP_SYNC_REFRESH_REQUIRED, N_("Content Sync Refresh Required"));
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C(LDAP_X_SYNC_REFRESH_REQUIRED, N_("Content Sync Refresh Required (X)"));
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/* No-Op Control (draft-zeilenga-ldap-noop) code */
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C(LDAP_X_NO_OPERATION, N_("No Operation (X)"));
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/* Client Update Protocol (RFC 3928) codes */
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C(LDAP_CUP_RESOURCES_EXHAUSTED, N_("LCUP Resources Exhausted"));
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C(LDAP_CUP_SECURITY_VIOLATION, N_("LCUP Security Violation"));
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C(LDAP_CUP_INVALID_DATA, N_("LCUP Invalid Data"));
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C(LDAP_CUP_UNSUPPORTED_SCHEME, N_("LCUP Unsupported Scheme"));
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C(LDAP_CUP_RELOAD_REQUIRED, N_("LCUP Reload Required"));
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#ifdef LDAP_X_TXN
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/* Codes related to LDAP Transactions (draft-zeilenga-ldap-txn) */
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C(LDAP_X_TXN_SPECIFY_OKAY, N_("TXN specify okay"));
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C(LDAP_X_TXN_ID_INVALID, N_("TXN ID is invalid"));
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#endif
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/* API codes - renumbered since draft-ietf-ldapext-ldap-c-api */
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C(LDAP_SERVER_DOWN, N_("Can't contact LDAP server"));
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C(LDAP_LOCAL_ERROR, N_("Local error"));
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C(LDAP_ENCODING_ERROR, N_("Encoding error"));
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C(LDAP_DECODING_ERROR, N_("Decoding error"));
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C(LDAP_TIMEOUT, N_("Timed out"));
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C(LDAP_AUTH_UNKNOWN, N_("Unknown authentication method"));
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C(LDAP_FILTER_ERROR, N_("Bad search filter"));
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C(LDAP_USER_CANCELLED, N_("User cancelled operation"));
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C(LDAP_PARAM_ERROR, N_("Bad parameter to an ldap routine"));
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C(LDAP_NO_MEMORY, N_("Out of memory"));
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C(LDAP_CONNECT_ERROR, N_("Connect error"));
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C(LDAP_NOT_SUPPORTED, N_("Not Supported"));
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C(LDAP_CONTROL_NOT_FOUND, N_("Control not found"));
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C(LDAP_NO_RESULTS_RETURNED, N_("No results returned"));
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C(LDAP_MORE_RESULTS_TO_RETURN, N_("More results to return"));
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C(LDAP_CLIENT_LOOP, N_("Client Loop"));
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C(LDAP_REFERRAL_LIMIT_EXCEEDED, N_("Referral Limit Exceeded"));
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C(LDAP_X_CONNECTING, N_("Connecting (X)"));
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# undef C
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default:
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m = (LDAP_API_ERROR(err) ? N_("Unknown API error")
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: LDAP_E_ERROR(err) ? N_("Unknown (extension) error")
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: LDAP_X_ERROR(err) ? N_("Unknown (private extension) error")
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: N_("Unknown error"));
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break;
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}
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return _(m);
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}
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/* deprecated */
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void
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ldap_perror( LDAP *ld, LDAP_CONST char *str )
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{
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int i;
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assert( ld != NULL );
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assert( LDAP_VALID( ld ) );
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assert( str != NULL );
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fprintf( stderr, "%s: %s (%d)\n",
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str ? str : "ldap_perror",
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ldap_err2string( ld->ld_errno ),
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ld->ld_errno );
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if ( ld->ld_matched != NULL && ld->ld_matched[0] != '\0' ) {
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fprintf( stderr, _("\tmatched DN: %s\n"), ld->ld_matched );
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}
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if ( ld->ld_error != NULL && ld->ld_error[0] != '\0' ) {
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fprintf( stderr, _("\tadditional info: %s\n"), ld->ld_error );
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}
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if ( ld->ld_referrals != NULL && ld->ld_referrals[0] != NULL) {
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fprintf( stderr, _("\treferrals:\n") );
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for (i=0; ld->ld_referrals[i]; i++) {
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fprintf( stderr, _("\t\t%s\n"), ld->ld_referrals[i] );
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}
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}
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fflush( stderr );
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}
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/* deprecated */
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int
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ldap_result2error( LDAP *ld, LDAPMessage *r, int freeit )
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{
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int rc, err;
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rc = ldap_parse_result( ld, r, &err,
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NULL, NULL, NULL, NULL, freeit );
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return err != LDAP_SUCCESS ? err : rc;
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}
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/*
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* Parse LDAPResult Messages:
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*
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* LDAPResult ::= SEQUENCE {
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* resultCode ENUMERATED,
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* matchedDN LDAPDN,
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* errorMessage LDAPString,
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* referral [3] Referral OPTIONAL }
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*
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* including Bind results:
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*
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* BindResponse ::= [APPLICATION 1] SEQUENCE {
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* COMPONENTS OF LDAPResult,
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* serverSaslCreds [7] OCTET STRING OPTIONAL }
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*
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* and ExtendedOp results:
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*
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* ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
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* COMPONENTS OF LDAPResult,
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* responseName [10] LDAPOID OPTIONAL,
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* response [11] OCTET STRING OPTIONAL }
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*
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*/
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int
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ldap_parse_result(
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LDAP *ld,
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LDAPMessage *r,
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int *errcodep,
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char **matcheddnp,
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char **errmsgp,
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char ***referralsp,
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LDAPControl ***serverctrls,
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int freeit )
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{
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LDAPMessage *lm;
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ber_int_t errcode = LDAP_SUCCESS;
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ber_tag_t tag;
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BerElement *ber;
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Debug( LDAP_DEBUG_TRACE, "ldap_parse_result\n", 0, 0, 0 );
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assert( ld != NULL );
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assert( LDAP_VALID( ld ) );
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assert( r != NULL );
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if(errcodep != NULL) *errcodep = LDAP_SUCCESS;
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if(matcheddnp != NULL) *matcheddnp = NULL;
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if(errmsgp != NULL) *errmsgp = NULL;
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if(referralsp != NULL) *referralsp = NULL;
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if(serverctrls != NULL) *serverctrls = NULL;
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LDAP_MUTEX_LOCK( &ld->ld_res_mutex );
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/* Find the result, last msg in chain... */
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lm = r->lm_chain_tail;
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/* FIXME: either this is not possible (assert?)
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* or it should be handled */
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if ( lm != NULL ) {
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switch ( lm->lm_msgtype ) {
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case LDAP_RES_SEARCH_ENTRY:
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case LDAP_RES_SEARCH_REFERENCE:
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case LDAP_RES_INTERMEDIATE:
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lm = NULL;
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break;
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default:
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break;
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}
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}
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if( lm == NULL ) {
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errcode = ld->ld_errno = LDAP_NO_RESULTS_RETURNED;
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LDAP_MUTEX_UNLOCK( &ld->ld_res_mutex );
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goto done;
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}
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if ( ld->ld_error ) {
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LDAP_FREE( ld->ld_error );
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ld->ld_error = NULL;
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}
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if ( ld->ld_matched ) {
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LDAP_FREE( ld->ld_matched );
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ld->ld_matched = NULL;
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}
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if ( ld->ld_referrals ) {
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LDAP_VFREE( ld->ld_referrals );
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ld->ld_referrals = NULL;
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}
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/* parse results */
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ber = ber_dup( lm->lm_ber );
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if ( ld->ld_version < LDAP_VERSION2 ) {
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tag = ber_scanf( ber, "{iA}",
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&ld->ld_errno, &ld->ld_error );
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} else {
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ber_len_t len;
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tag = ber_scanf( ber, "{iAA" /*}*/,
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&ld->ld_errno, &ld->ld_matched, &ld->ld_error );
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if( tag != LBER_ERROR ) {
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/* peek for referrals */
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if( ber_peek_tag(ber, &len) == LDAP_TAG_REFERRAL ) {
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tag = ber_scanf( ber, "v", &ld->ld_referrals );
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}
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}
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/* need to clean out misc items */
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if( tag != LBER_ERROR ) {
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if( lm->lm_msgtype == LDAP_RES_BIND ) {
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/* look for sasl result creditials */
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if ( ber_peek_tag( ber, &len ) == LDAP_TAG_SASL_RES_CREDS ) {
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/* skip 'em */
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tag = ber_scanf( ber, "x" );
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}
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} else if( lm->lm_msgtype == LDAP_RES_EXTENDED ) {
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/* look for exop result oid or value */
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if ( ber_peek_tag( ber, &len ) == LDAP_TAG_EXOP_RES_OID ) {
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/* skip 'em */
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tag = ber_scanf( ber, "x" );
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}
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if ( tag != LBER_ERROR &&
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ber_peek_tag( ber, &len ) == LDAP_TAG_EXOP_RES_VALUE )
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{
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/* skip 'em */
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tag = ber_scanf( ber, "x" );
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}
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}
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}
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if( tag != LBER_ERROR ) {
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int rc = ldap_pvt_get_controls( ber, serverctrls );
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if( rc != LDAP_SUCCESS ) {
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tag = LBER_ERROR;
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}
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}
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if( tag != LBER_ERROR ) {
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tag = ber_scanf( ber, /*{*/"}" );
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}
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}
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if ( tag == LBER_ERROR ) {
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ld->ld_errno = errcode = LDAP_DECODING_ERROR;
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}
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if( ber != NULL ) {
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ber_free( ber, 0 );
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}
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/* return */
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if( errcodep != NULL ) {
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*errcodep = ld->ld_errno;
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}
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if ( errcode == LDAP_SUCCESS ) {
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if( matcheddnp != NULL ) {
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if ( ld->ld_matched )
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{
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*matcheddnp = LDAP_STRDUP( ld->ld_matched );
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}
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}
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if( errmsgp != NULL ) {
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if ( ld->ld_error )
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{
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*errmsgp = LDAP_STRDUP( ld->ld_error );
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}
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}
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if( referralsp != NULL) {
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*referralsp = ldap_value_dup( ld->ld_referrals );
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}
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}
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LDAP_MUTEX_UNLOCK( &ld->ld_res_mutex );
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done:
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if ( freeit ) {
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ldap_msgfree( r );
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}
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return errcode;
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}
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