/* $NetBSD: references.c,v 1.1.1.6.6.1 2019/08/10 06:17:14 martin Exp $ */ /* references.c */ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * * Copyright 1998-2019 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 * . */ #include __RCSID("$NetBSD: references.c,v 1.1.1.6.6.1 2019/08/10 06:17:14 martin Exp $"); #include "portable.h" #include #include #include #include #include #include "ldap-int.h" LDAPMessage * ldap_first_reference( LDAP *ld, LDAPMessage *chain ) { assert( ld != NULL ); assert( LDAP_VALID( ld ) ); assert( chain != NULL ); return chain->lm_msgtype == LDAP_RES_SEARCH_REFERENCE ? chain : ldap_next_reference( ld, chain ); } LDAPMessage * ldap_next_reference( LDAP *ld, LDAPMessage *ref ) { assert( ld != NULL ); assert( LDAP_VALID( ld ) ); assert( ref != NULL ); for ( ref = ref->lm_chain; ref != NULL; ref = ref->lm_chain ) { if( ref->lm_msgtype == LDAP_RES_SEARCH_REFERENCE ) { return( ref ); } } return( NULL ); } int ldap_count_references( LDAP *ld, LDAPMessage *chain ) { int i; assert( ld != NULL ); assert( LDAP_VALID( ld ) ); for ( i = 0; chain != NULL; chain = chain->lm_chain ) { if( chain->lm_msgtype == LDAP_RES_SEARCH_REFERENCE ) { i++; } } return( i ); } int ldap_parse_reference( LDAP *ld, LDAPMessage *ref, char ***referralsp, LDAPControl ***serverctrls, int freeit) { BerElement be; char **refs = NULL; int rc; assert( ld != NULL ); assert( LDAP_VALID( ld ) ); assert( ref != NULL ); if( ref->lm_msgtype != LDAP_RES_SEARCH_REFERENCE ) { return LDAP_PARAM_ERROR; } /* make a private copy of BerElement */ AC_MEMCPY(&be, ref->lm_ber, sizeof(be)); if ( ber_scanf( &be, "{v" /*}*/, &refs ) == LBER_ERROR ) { rc = LDAP_DECODING_ERROR; goto free_and_return; } if ( serverctrls == NULL ) { rc = LDAP_SUCCESS; goto free_and_return; } if ( ber_scanf( &be, /*{*/ "}" ) == LBER_ERROR ) { rc = LDAP_DECODING_ERROR; goto free_and_return; } rc = ldap_pvt_get_controls( &be, serverctrls ); free_and_return: if( referralsp != NULL ) { /* provide references regradless of return code */ *referralsp = refs; } else { LDAP_VFREE( refs ); } if( freeit ) { ldap_msgfree( ref ); } if( rc != LDAP_SUCCESS ) { ld->ld_errno = rc; if( ld->ld_matched != NULL ) { LDAP_FREE( ld->ld_matched ); ld->ld_matched = NULL; } if( ld->ld_error != NULL ) { LDAP_FREE( ld->ld_error ); ld->ld_error = NULL; } } return rc; }