X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libraries%2Flibldap%2Fresult.c;h=ebbb97c17ee0b29b12ba13fdd8223bb3416fabe6;hb=9446f8554b7173c2b73a6e7710e95c89808bbefb;hp=c99e2a84ff93a43036a1e537d1d7b30116392ca9;hpb=bb17493d31e19c47bc3a906a39ffa3d57e28aaa4;p=openldap diff --git a/libraries/libldap/result.c b/libraries/libldap/result.c index c99e2a84ff..ebbb97c17e 100644 --- a/libraries/libldap/result.c +++ b/libraries/libldap/result.c @@ -1,14 +1,22 @@ +/* result.c - wait for an ldap result */ /* $OpenLDAP$ */ -/* - * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved. - * COPYING RESTRICTIONS APPLY, see COPYRIGHT file +/* This work is part of OpenLDAP Software . + * + * Copyright 1998-2006 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 + * . */ -/* Portions - * Copyright (c) 1990 Regents of the University of Michigan. - * All rights reserved. +/* Portions Copyright (c) 1990 Regents of the University of Michigan. + * All rights reserved. */ -/*--- - * This notice applies to changes, created by or for Novell, Inc., +/* This notice applies to changes, created by or for Novell, Inc., * to preexisting works for which notices appear elsewhere in this file. * * Copyright (C) 1999, 2000 Novell, Inc. All Rights Reserved. @@ -24,17 +32,19 @@ *--- * Modification to OpenLDAP source by Novell, Inc. * April 2000 sfs Add code to process V3 referrals and search results - * - * result.c - wait for an ldap result + *--- + * Note: A verbatim copy of version 2.0.1 of the OpenLDAP Public License + * can be found in the file "build/LICENSE-2.0.1" in this distribution + * of OpenLDAP Software. */ /* - * LDAPv3 (RFC2251) + * LDAPv3 (RFC 4511) * LDAPResult ::= SEQUENCE { - * resultCode ENUMERATED { ... }, - * matchedDN LDAPDN, - * errorMessage LDAPString, - * referral Referral OPTIONAL + * resultCode ENUMERATED { ... }, + * matchedDN LDAPDN, + * diagnosticMessage LDAPString, + * referral [3] Referral OPTIONAL * } * Referral ::= SEQUENCE OF LDAPURL (one or more) * LDAPURL ::= LDAPString (limited to URL chars) @@ -53,18 +63,21 @@ #include #include "ldap-int.h" +#include "ldap_log.h" - -static int ldap_abandoned LDAP_P(( LDAP *ld, ber_int_t msgid )); +static int ldap_abandoned_idx LDAP_P(( LDAP *ld, ber_int_t msgid )); +#define ldap_abandoned(ld, msgid) ( ldap_abandoned_idx((ld), (msgid)) > -1 ) static int ldap_mark_abandoned LDAP_P(( LDAP *ld, ber_int_t msgid )); static int wait4msg LDAP_P(( LDAP *ld, ber_int_t msgid, int all, struct timeval *timeout, LDAPMessage **result )); static ber_tag_t try_read1msg LDAP_P(( LDAP *ld, ber_int_t msgid, - int all, Sockbuf *sb, LDAPConn *lc, LDAPMessage **result )); + int all, LDAPConn **lc, LDAPMessage **result )); static ber_tag_t build_result_ber LDAP_P(( LDAP *ld, BerElement **bp, LDAPRequest *lr )); static void merge_error_info LDAP_P(( LDAP *ld, LDAPRequest *parentr, LDAPRequest *lr )); static LDAPMessage * chkResponseList LDAP_P(( LDAP *ld, int msgid, int all)); +#define LDAP_MSG_X_KEEP_LOOKING (-2) + /* * ldap_result - wait for an ldap result response to a message from the @@ -92,35 +105,37 @@ ldap_result( struct timeval *timeout, LDAPMessage **result ) { - LDAPMessage *lm; + LDAPMessage *lm = NULL; + int rc; assert( ld != NULL ); assert( result != NULL ); -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_ARGS, "ldap_result msgid %d\n", msgid )); -#else - Debug( LDAP_DEBUG_TRACE, "ldap_result msgid %d\n", msgid, 0, 0 ); -#endif + Debug( LDAP_DEBUG_TRACE, "ldap_result ld %p msgid %d\n", (void *)ld, msgid, 0 ); - if( ld == NULL ) { - return -1; - } - - if( result == NULL ) { - ld->ld_errno = LDAP_PARAM_ERROR; - return -1; - } +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_lock( &ld->ld_res_mutex ); +#endif - lm = chkResponseList(ld, msgid, all); +#if 0 + /* this is already done inside wait4msg(), right?... */ + lm = chkResponseList( ld, msgid, all ); +#endif if ( lm == NULL ) { - return( wait4msg( ld, msgid, all, timeout, result ) ); + rc = wait4msg( ld, msgid, all, timeout, result ); + + } else { + *result = lm; + ld->ld_errno = LDAP_SUCCESS; + rc = lm->lm_msgtype; } - *result = lm; - ld->ld_errno = LDAP_SUCCESS; - return( lm->lm_msgtype ); +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_unlock( &ld->ld_res_mutex ); +#endif + + return rc; } static LDAPMessage * @@ -129,43 +144,37 @@ chkResponseList( int msgid, int all) { - LDAPMessage *lm, *lastlm, *nextlm; - /* + LDAPMessage *lm, **lastlm, *nextlm; + int cnt = 0; + + /* * Look through the list of responses we have received on * this association and see if the response we're interested in * is there. If it is, return it. If not, call wait4msg() to * wait until it arrives or timeout occurs. */ -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_ARGS, - "ldap_chkResponseList for msgid=%d, all=%d\n", msgid, all )); -#else - Debug( LDAP_DEBUG_TRACE, - "ldap_chkResponseList for msgid=%d, all=%d\n", - msgid, all, 0 ); +#ifdef LDAP_R_COMPILE + LDAP_PVT_THREAD_ASSERT_MUTEX_OWNER( &ld->ld_res_mutex ); #endif - lastlm = NULL; + + Debug( LDAP_DEBUG_TRACE, + "ldap_chkResponseList ld %p msgid %d all %d\n", + (void *)ld, msgid, all ); + + lastlm = &ld->ld_responses; for ( lm = ld->ld_responses; lm != NULL; lm = nextlm ) { nextlm = lm->lm_next; + ++cnt; if ( ldap_abandoned( ld, lm->lm_msgid ) ) { -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_DETAIL1, - "ldap_chkResponseList msg abandoned, msgid %d\n", msgid )); -#else Debug( LDAP_DEBUG_TRACE, "ldap_chkResponseList msg abandoned, msgid %d\n", - msgid, 0, 0 ); -#endif + msgid, 0, 0 ); ldap_mark_abandoned( ld, lm->lm_msgid ); - if ( lastlm == NULL ) { - /* Remove first entry in list */ - ld->ld_responses = lm->lm_next; - } else { - lastlm->lm_next = nextlm; - } + /* Remove this entry from list */ + *lastlm = nextlm; ldap_msgfree( lm ); @@ -175,17 +184,18 @@ chkResponseList( if ( msgid == LDAP_RES_ANY || lm->lm_msgid == msgid ) { LDAPMessage *tmp; - if ( all == LDAP_MSG_ONE || msgid == LDAP_RES_UNSOLICITED ) { + if ( all == LDAP_MSG_ONE || all == LDAP_MSG_RECEIVED || + msgid == LDAP_RES_UNSOLICITED ) + { break; } - for ( tmp = lm; tmp != NULL; tmp = tmp->lm_chain ) { - if ( tmp->lm_msgtype != LDAP_RES_SEARCH_ENTRY - && tmp->lm_msgtype != LDAP_RES_SEARCH_REFERENCE - && tmp->lm_msgtype != LDAP_RES_EXTENDED_PARTIAL ) - { - break; - } + tmp = lm->lm_chain_tail; + if ( (tmp->lm_msgtype == LDAP_RES_SEARCH_ENTRY) || + (tmp->lm_msgtype == LDAP_RES_SEARCH_REFERENCE) || + (tmp->lm_msgtype == LDAP_RES_INTERMEDIATE) ) + { + tmp = NULL; } if ( tmp == NULL ) { @@ -194,44 +204,41 @@ chkResponseList( break; } - lastlm = lm; + lastlm = &lm->lm_next; } - if ( lm != NULL ) { +#if 0 + { + char buf[ BUFSIZ ]; + + snprintf( buf, sizeof( buf ), "ld=%p msgid=%d%s cnt=%d", + ld, msgid, all ? " all" : "", cnt ); + Debug( LDAP_DEBUG_TRACE, "+++ chkResponseList %s\n", buf, 0, 0 ); + } +#endif + + if ( lm != NULL ) { /* Found an entry, remove it from the list */ - if ( lastlm == NULL ) { - ld->ld_responses = (all == LDAP_MSG_ONE && lm->lm_chain != NULL - ? lm->lm_chain : lm->lm_next); - } else { - lastlm->lm_next = (all == LDAP_MSG_ONE && lm->lm_chain != NULL - ? lm->lm_chain : lm->lm_next); - } - if ( all == LDAP_MSG_ONE && lm->lm_chain != NULL ) { - lm->lm_chain->lm_next = lm->lm_next; - lm->lm_chain = NULL; - } - lm->lm_next = NULL; - } + if ( all == LDAP_MSG_ONE && lm->lm_chain != NULL ) { + *lastlm = lm->lm_chain; + lm->lm_chain->lm_next = lm->lm_next; + lm->lm_chain->lm_chain_tail = ( lm->lm_chain_tail != lm ) ? lm->lm_chain_tail : lm->lm_chain; + lm->lm_chain = NULL; + lm->lm_chain_tail = NULL; + } else { + *lastlm = lm->lm_next; + } + lm->lm_next = NULL; + } #ifdef LDAP_DEBUG - if( lm == NULL) { -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_RESULTS, - "ldap_chkResponseList returns NULL\n" )); -#else + if ( lm == NULL) { Debug( LDAP_DEBUG_TRACE, - "ldap_chkResponseList returns NULL\n", 0, 0, 0); -#endif + "ldap_chkResponseList returns ld %p NULL\n", (void *)ld, 0, 0); } else { -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_RESULTS, - "ldap_chkResponseList returns msgid %d, type 0x02lu\n", - lm->lm_msgid, (unsigned long) lm->lm_msgtype )); -#else Debug( LDAP_DEBUG_TRACE, - "ldap_chkResponseList returns msgid %d, type 0x%02lu\n", - lm->lm_msgid, (unsigned long) lm->lm_msgtype, 0); -#endif + "ldap_chkResponseList returns ld %p msgid %d, type 0x%02lu\n", + (void *)ld, lm->lm_msgid, (unsigned long) lm->lm_msgtype ); } #endif return lm; @@ -246,133 +253,174 @@ wait4msg( LDAPMessage **result ) { int rc; - struct timeval tv, *tvp; + struct timeval tv = { 0 }, + tv0 = { 0 }, + *tvp; time_t start_time = 0; time_t tmp_time; - LDAPConn *lc, *nextlc; + LDAPConn *lc; assert( ld != NULL ); assert( result != NULL ); +#ifdef LDAP_R_COMPILE + LDAP_PVT_THREAD_ASSERT_MUTEX_OWNER( &ld->ld_res_mutex ); +#endif + #ifdef LDAP_DEBUG if ( timeout == NULL ) { -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_ARGS, - "wait4msg (infinite timeout), msgid %d\n", msgid )); -#else - Debug( LDAP_DEBUG_TRACE, "wait4msg (infinite timeout), msgid %d\n", - msgid, 0, 0 ); -#endif + Debug( LDAP_DEBUG_TRACE, "wait4msg ld %p msgid %d (infinite timeout)\n", + (void *)ld, msgid, 0 ); } else { -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_ARGS, - "wait4msg (timeout %ld sec, %ld usec), msgid %d\n", - (long) timeout->tv_sec, (long) timeout->tv_usec, msgid )); -#else - Debug( LDAP_DEBUG_TRACE, "wait4msg (timeout %ld sec, %ld usec), msgid %d\n", - (long) timeout->tv_sec, (long) timeout->tv_usec, msgid ); -#endif + Debug( LDAP_DEBUG_TRACE, "wait4msg ld %p msgid %d (timeout %ld usec)\n", + (void *)ld, msgid, (long)timeout->tv_sec * 1000000 + timeout->tv_usec ); } #endif /* LDAP_DEBUG */ if ( timeout == NULL ) { tvp = NULL; } else { + tv0 = *timeout; tv = *timeout; tvp = &tv; start_time = time( NULL ); } - rc = -2; - while ( rc == -2 ) { + rc = LDAP_MSG_X_KEEP_LOOKING; + while ( rc == LDAP_MSG_X_KEEP_LOOKING ) { #ifdef LDAP_DEBUG -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_ARGS, - "wait4msg continue, msgid %d, all %d\n", msgid, all )); -#else - Debug( LDAP_DEBUG_TRACE, "wait4msg continue, msgid %d, all %d\n", - msgid, all, 0 ); -#endif if ( ldap_debug & LDAP_DEBUG_TRACE ) { + Debug( LDAP_DEBUG_TRACE, "wait4msg continue ld %p msgid %d all %d\n", + (void *)ld, msgid, all ); +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_lock( &ld->ld_conn_mutex ); +#endif ldap_dump_connection( ld, ld->ld_conns, 1 ); +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_unlock( &ld->ld_conn_mutex ); + ldap_pvt_thread_mutex_lock( &ld->ld_req_mutex ); +#endif ldap_dump_requests_and_responses( ld ); +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_unlock( &ld->ld_req_mutex ); +#endif } #endif /* LDAP_DEBUG */ - if( (*result = chkResponseList(ld, msgid, all)) != NULL ) { - rc = (*result)->lm_msgtype; - } else { + if ( ( *result = chkResponseList( ld, msgid, all ) ) != NULL ) { + rc = (*result)->lm_msgtype; + + } else { + int lc_ready = 0; +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_lock( &ld->ld_conn_mutex ); +#endif for ( lc = ld->ld_conns; lc != NULL; lc = lc->lconn_next ) { if ( ber_sockbuf_ctrl( lc->lconn_sb, - LBER_SB_OPT_DATA_READY, NULL ) ) { - rc = try_read1msg( ld, msgid, all, lc->lconn_sb, - lc, result ); - break; + LBER_SB_OPT_DATA_READY, NULL ) ) + { +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_unlock( &ld->ld_conn_mutex ); +#endif + rc = try_read1msg( ld, msgid, all, &lc, result ); +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_lock( &ld->ld_conn_mutex ); +#endif + lc_ready = 1; + break; } - } + } +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_unlock( &ld->ld_conn_mutex ); +#endif - if ( lc == NULL ) { - rc = ldap_int_select( ld, tvp ); + if ( !lc_ready ) { + rc = ldap_int_select( ld, tvp ); +#ifdef LDAP_DEBUG + if ( rc == -1 ) { + Debug( LDAP_DEBUG_TRACE, + "ldap_int_select returned -1: errno %d\n", + sock_errno(), 0, 0 ); + } +#endif + if ( rc == 0 || ( rc == -1 && ( + !LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_RESTART) + || sock_errno() != EINTR ) ) ) + { + ld->ld_errno = (rc == -1 ? LDAP_SERVER_DOWN : + LDAP_TIMEOUT); + return( rc ); + } -#ifdef LDAP_DEBUG - if ( rc == -1 ) { -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_ARGS, - "wait4msg: ldap_int_select returned -1: errno %d\n", - errno )); -#else - Debug( LDAP_DEBUG_TRACE, - "ldap_int_select returned -1: errno %d\n", - errno, 0, 0 ); + if ( rc == -1 ) { + rc = LDAP_MSG_X_KEEP_LOOKING; /* select interrupted: loop */ + + } else { + rc = LDAP_MSG_X_KEEP_LOOKING; +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_lock( &ld->ld_req_mutex ); #endif - } + if ( ld->ld_requests && + ld->ld_requests->lr_status == LDAP_REQST_WRITING && + ldap_is_write_ready( ld, + ld->ld_requests->lr_conn->lconn_sb ) ) + { + ldap_int_flush_request( ld, ld->ld_requests ); + } +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_unlock( &ld->ld_req_mutex ); + ldap_pvt_thread_mutex_lock( &ld->ld_conn_mutex ); #endif + for ( lc = ld->ld_conns; + rc == LDAP_MSG_X_KEEP_LOOKING && lc != NULL; ) + { + if ( lc->lconn_status == LDAP_CONNST_CONNECTED && + ldap_is_read_ready( ld, lc->lconn_sb ) ) + { +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_unlock( &ld->ld_conn_mutex ); +#endif + rc = try_read1msg( ld, msgid, all, &lc, result ); +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_lock( &ld->ld_conn_mutex ); +#endif + if ( lc == NULL ) { + /* if lc gets free()'d, + * there's no guarantee + * lc->lconn_next is still + * sane; better restart + * (ITS#4405) */ + lc = ld->ld_conns; + + /* don't get to next conn! */ + break; + } + } - if ( rc == 0 || ( rc == -1 && ( - !LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_RESTART) - || errno != EINTR ))) - { - ld->ld_errno = (rc == -1 ? LDAP_SERVER_DOWN : - LDAP_TIMEOUT); - return( rc ); - } - - if ( rc == -1 ) { - rc = -2; /* select interrupted: loop */ - } else { - rc = -2; - for ( lc = ld->ld_conns; rc == -2 && lc != NULL; - lc = nextlc ) { - nextlc = lc->lconn_next; - if ( lc->lconn_status == - LDAP_CONNST_CONNECTED && - ldap_is_read_ready( ld, - lc->lconn_sb )) { - rc = try_read1msg( ld, msgid, all, - lc->lconn_sb, lc, result ); - } - } - } - } + /* next conn */ + lc = lc->lconn_next; + } +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_unlock( &ld->ld_conn_mutex ); +#endif + } + } } - if ( rc == -2 && tvp != NULL ) { + if ( rc == LDAP_MSG_X_KEEP_LOOKING && tvp != NULL ) { tmp_time = time( NULL ); - if (( tv.tv_sec -= ( tmp_time - start_time )) <= 0 ) { + tv0.tv_sec -= ( tmp_time - start_time ); + if ( tv0.tv_sec <= 0 ) { rc = 0; /* timed out */ ld->ld_errno = LDAP_TIMEOUT; break; } + tv.tv_sec = tv0.tv_sec; -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_DETAIL1, - "wait4msg: %ld secs to go\n", (long) tv.tv_sec )); -#else - Debug( LDAP_DEBUG_TRACE, "wait4msg: %ld secs to go\n", - (long) tv.tv_sec, 0, 0 ); -#endif + Debug( LDAP_DEBUG_TRACE, "wait4msg ld %p %ld secs to go\n", + (void *)ld, (long) tv.tv_sec, 0 ); start_time = tmp_time; } } @@ -386,86 +434,100 @@ try_read1msg( LDAP *ld, ber_int_t msgid, int all, - Sockbuf *sb, - LDAPConn *lc, + LDAPConn **lcp, LDAPMessage **result ) { BerElement *ber; - LDAPMessage *new, *l, *prev, *tmp; + LDAPMessage *newmsg, *l, *prev; ber_int_t id; ber_tag_t tag; ber_len_t len; int foundit = 0; LDAPRequest *lr, *tmplr; + LDAPConn *lc; BerElement tmpber; int rc, refer_cnt, hadref, simple_request; ber_int_t lderr; + +#ifdef LDAP_CONNECTIONLESS + LDAPMessage *tmp = NULL, *chain_head = NULL; + int moremsgs = 0, isv2 = 0; +#endif + /* * v3ref = flag for V3 referral / search reference * 0 = not a ref, 1 = sucessfully chased ref, -1 = pass ref to application */ - int v3ref; + enum { + V3REF_NOREF = 0, + V3REF_SUCCESS = 1, + V3REF_TOAPP = -1 + } v3ref; assert( ld != NULL ); - assert( lc != NULL ); + assert( lcp != NULL ); + assert( *lcp != NULL ); -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_ARGS, "read1msg: msgid %d, all %d\n", - msgid, all )); -#else - Debug( LDAP_DEBUG_TRACE, "read1msg: msgid %d, all %d\n", msgid, all, 0 ); +#ifdef LDAP_R_COMPILE + LDAP_PVT_THREAD_ASSERT_MUTEX_OWNER( &ld->ld_res_mutex ); #endif - if ( lc->lconn_ber == NULL ) { - lc->lconn_ber = ldap_alloc_ber_with_options(ld); + Debug( LDAP_DEBUG_TRACE, "read1msg: ld %p msgid %d all %d\n", + (void *)ld, msgid, all ); + + lc = *lcp; + +retry: + if ( lc->lconn_ber == NULL ) { + lc->lconn_ber = ldap_alloc_ber_with_options( ld ); if( lc->lconn_ber == NULL ) { return -1; } - } + } ber = lc->lconn_ber; assert( LBER_VALID (ber) ); /* get the next message */ - errno = 0; + sock_errset(0); #ifdef LDAP_CONNECTIONLESS if ( LDAP_IS_UDP(ld) ) { struct sockaddr from; - ber_int_sb_read(sb, &from, sizeof(struct sockaddr)); + ber_int_sb_read( lc->lconn_sb, &from, sizeof(struct sockaddr) ); + if (ld->ld_options.ldo_version == LDAP_VERSION2) isv2 = 1; } +nextresp3: #endif - if ( (tag = ber_get_next( sb, &len, ber )) - != LDAP_TAG_MESSAGE ) { - if ( tag == LBER_DEFAULT) { + tag = ber_get_next( lc->lconn_sb, &len, ber ); + switch ( tag ) { + case LDAP_TAG_MESSAGE: + /* + * We read a complete message. + * The connection should no longer need this ber. + */ + lc->lconn_ber = NULL; + break; + + case LBER_DEFAULT: #ifdef LDAP_DEBUG -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_DETAIL1, - "read1msg: ber_get_next failed\n" )); -#else - Debug( LDAP_DEBUG_CONNS, - "ber_get_next failed.\n", 0, 0, 0 ); -#endif + Debug( LDAP_DEBUG_CONNS, + "ber_get_next failed.\n", 0, 0, 0 ); #endif #ifdef EWOULDBLOCK - if (errno==EWOULDBLOCK) return -2; + if ( sock_errno() == EWOULDBLOCK ) return LDAP_MSG_X_KEEP_LOOKING; #endif #ifdef EAGAIN - if (errno == EAGAIN) return -2; + if ( sock_errno() == EAGAIN ) return LDAP_MSG_X_KEEP_LOOKING; #endif - ld->ld_errno = LDAP_SERVER_DOWN; - return -1; - } + ld->ld_errno = LDAP_SERVER_DOWN; + return -1; + + default: ld->ld_errno = LDAP_LOCAL_ERROR; return -1; } - /* - * We read a complete message. - * The connection should no longer need this ber. - */ - lc->lconn_ber = NULL; - /* message id */ if ( ber_get_int( ber, &id ) == LBER_ERROR ) { ber_free( ber, 1 ); @@ -475,34 +537,28 @@ try_read1msg( /* if it's been abandoned, toss it */ if ( ldap_abandoned( ld, id ) ) { + Debug( LDAP_DEBUG_ANY, "abandoned/discarded ld %p msgid %ld\n", + (void *)ld, (long) id, 0); +retry_ber: ber_free( ber, 1 ); -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_DETAIL1, - "read1msg: abandoned\n" )); -#else - Debug( LDAP_DEBUG_ANY, "abandoned\n", 0, 0, 0); -#endif - return( -2 ); /* continue looking */ + if ( ber_sockbuf_ctrl( lc->lconn_sb, LBER_SB_OPT_DATA_READY, NULL ) ) { + goto retry; + } + return( LDAP_MSG_X_KEEP_LOOKING ); /* continue looking */ } - if (( lr = ldap_find_request_by_msgid( ld, id )) == NULL ) { -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_DETAIL1, - "read1msg: no request for response with msgid %ld (tossing)\n", - (long) id )); -#else + lr = ldap_find_request_by_msgid( ld, id ); + if ( lr == NULL ) { Debug( LDAP_DEBUG_ANY, - "no request for response with msgid %ld (tossing)\n", - (long) id, 0, 0 ); -#endif - ber_free( ber, 1 ); - return( -2 ); /* continue looking */ + "no request for response on ld %p msgid %ld (tossing)\n", + (void *)ld, (long)id, 0 ); + goto retry_ber; } #ifdef LDAP_CONNECTIONLESS - if (LDAP_IS_UDP(ld) && ld->ld_options.ldo_version == LDAP_VERSION2) { - struct berval blank; - ber_scanf(ber, "m{", &blank); + if (LDAP_IS_UDP(ld) && isv2) { + ber_scanf(ber, "x{"); } +nextresp2: #endif /* the message type */ if ( (tag = ber_peek_tag( ber, &len )) == LBER_ERROR ) { @@ -511,113 +567,110 @@ try_read1msg( return( -1 ); } -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_DETAIL1, - "read1msg: ldap_read: message type %s msgid %ld, original id %ld\n", - ldap_int_msgtype2str( tag ), - (long) lr->lr_msgid, (long) lr->lr_origid )); -#else Debug( LDAP_DEBUG_TRACE, - "ldap_read: message type %s msgid %ld, original id %ld\n", - ldap_int_msgtype2str( tag ), - (long) lr->lr_msgid, (long) lr->lr_origid ); -#endif + "read1msg: ld %p msgid %ld message type %s\n", + (void *)ld, (long) lr->lr_msgid, ldap_int_msgtype2str( tag )); id = lr->lr_origid; refer_cnt = 0; hadref = simple_request = 0; - rc = -2; /* default is to keep looking (no response found) */ + rc = LDAP_MSG_X_KEEP_LOOKING; /* default is to keep looking (no response found) */ lr->lr_res_msgtype = tag; /* * This code figures out if we are going to chase a * referral / search reference, or pass it back to the application */ - v3ref = 0; /* Assume not a V3 search reference or referral */ + v3ref = V3REF_NOREF; /* Assume not a V3 search reference/referral */ if( (tag != LDAP_RES_SEARCH_ENTRY) && (ld->ld_version > LDAP_VERSION2) ) { BerElement tmpber = *ber; /* struct copy */ char **refs = NULL; - if( tag == LDAP_RES_SEARCH_REFERENCE) { + if( tag == LDAP_RES_SEARCH_REFERENCE ) { /* This is a V3 search reference */ - /* Assume we do not chase the reference, but pass it to application */ - v3ref = -1; + /* Assume we do not chase the reference, + * but pass it to application */ + v3ref = V3REF_TOAPP; if( LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_REFERRALS) || (lr->lr_parent != NULL) ) { /* Get the referral list */ if ( ber_scanf( &tmpber, "{v}", &refs ) == LBER_ERROR ) { rc = LDAP_DECODING_ERROR; + } else { - /* Note: refs arrary is freed by ldap_chase_v3referrals */ + /* Note: refs array is freed by ldap_chase_v3referrals */ refer_cnt = ldap_chase_v3referrals( ld, lr, refs, 1, &lr->lr_res_error, &hadref ); - if ( refer_cnt > 0 ) { /* sucessfully chased reference */ + if ( refer_cnt > 0 ) { + /* sucessfully chased reference */ /* If haven't got end search, set chasing referrals */ - if( lr->lr_status != LDAP_REQST_COMPLETED) { + if ( lr->lr_status != LDAP_REQST_COMPLETED ) { lr->lr_status = LDAP_REQST_CHASINGREFS; -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_DETAIL1, - "read1msg: search ref chased," - "mark request chasing refs, id = %d\n", - lr->lr_msgid )); -#else Debug( LDAP_DEBUG_TRACE, - "read1msg: search ref chased, mark request chasing refs, id = %d\n", - lr->lr_msgid, 0, 0); -#endif + "read1msg: search ref chased, " + "mark request chasing refs, " + "id = %d\n", + lr->lr_msgid, 0, 0); } - v3ref = 1; /* We sucessfully chased the reference */ + + /* We sucessfully chased the reference */ + v3ref = V3REF_SUCCESS; } } } + } else { /* Check for V3 referral */ - ber_len_t len; - if ( ber_scanf( &tmpber, "{iaa",/*}*/ &lderr, - &lr->lr_res_matched, &lr->lr_res_error ) - != LBER_ERROR ) { + ber_len_t len; + char *lr_res_error = NULL; + + if ( ber_scanf( &tmpber, "{eAA",/*}*/ &lderr, + &lr->lr_res_matched, &lr_res_error ) + != LBER_ERROR ) + { + if ( lr_res_error != NULL ) { + if ( lr->lr_res_error != NULL ) { + (void)ldap_append_referral( ld, &lr->lr_res_error, lr_res_error ); + LDAP_FREE( (char *)lr_res_error ); + + } else { + lr->lr_res_error = lr_res_error; + } + lr_res_error = NULL; + } + /* Check if V3 referral */ - if( ber_peek_tag( &tmpber, &len) == LDAP_TAG_REFERRAL ) { + if ( ber_peek_tag( &tmpber, &len ) == LDAP_TAG_REFERRAL ) { /* We have a V3 referral, assume we cannot chase it */ - v3ref = -1; + v3ref = V3REF_TOAPP; if( LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_REFERRALS) || (lr->lr_parent != NULL) ) { - v3ref = -1; /* Assume referral not chased and return it to app */ + /* Assume referral not chased and return it to app */ + v3ref = V3REF_TOAPP; + /* Get the referral list */ if( ber_scanf( &tmpber, "{v}", &refs) == LBER_ERROR) { rc = LDAP_DECODING_ERROR; lr->lr_status = LDAP_REQST_COMPLETED; -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_DETAIL1, - "read1msg: referral decode error," - "mark request completed, id = %d\n", - lr->lr_msgid )); -#else Debug( LDAP_DEBUG_TRACE, - "read1msg: referral decode error, mark request completed, id = %d\n", - lr->lr_msgid, 0, 0); -#endif + "read1msg: referral decode error, mark request completed, ld %p msgid %d\n", + (void *)ld, lr->lr_msgid, 0); + } else { /* Chase the referral * Note: refs arrary is freed by ldap_chase_v3referrals */ refer_cnt = ldap_chase_v3referrals( ld, lr, refs, - 0, &lr->lr_res_error, &hadref ); + 0, &lr->lr_res_error, &hadref ); lr->lr_status = LDAP_REQST_COMPLETED; -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_DETAIL1, - "read1msg: referral chased," - "mark request completed, id = %d\n", - lr->lr_msgid )); -#else Debug( LDAP_DEBUG_TRACE, - "read1msg: referral chased, mark request completed, id = %d\n", - lr->lr_msgid, 0, 0); -#endif + "read1msg: referral chased, mark request completed, ld %p msgid %d\n", + (void *)ld, lr->lr_msgid, 0); if( refer_cnt > 0) { - v3ref = 1; /* Referral successfully chased */ + /* Referral successfully chased */ + v3ref = V3REF_SUCCESS; } } } @@ -627,6 +680,7 @@ try_read1msg( LDAP_FREE( lr->lr_res_matched ); lr->lr_res_matched = NULL; } + if( lr->lr_res_error != NULL ) { LDAP_FREE( lr->lr_res_error ); lr->lr_res_error = NULL; @@ -639,32 +693,62 @@ try_read1msg( * go through the following code. This code also chases V2 referrals * and checks if all referrals have been chased. */ - if ( (tag != LDAP_RES_SEARCH_ENTRY) && (v3ref > -1) ) { + if ( (tag != LDAP_RES_SEARCH_ENTRY) && (v3ref != V3REF_TOAPP) && + (tag != LDAP_RES_INTERMEDIATE )) + { /* For a v3 search referral/reference, only come here if already chased it */ if ( ld->ld_version >= LDAP_VERSION2 && ( lr->lr_parent != NULL || LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_REFERRALS) ) ) { + char *lr_res_error = NULL; + tmpber = *ber; /* struct copy */ - if ( v3ref == 1 ) { - ; /* V3 search reference or V3 referral sucessfully chased */ - } else if ( ber_scanf( &tmpber, "{iaa}", &lderr, - &lr->lr_res_matched, &lr->lr_res_error ) - != LBER_ERROR ) { - if ( lderr != LDAP_SUCCESS ) { + if ( v3ref == V3REF_SUCCESS ) { + /* V3 search reference or V3 referral + * sucessfully chased. If this message + * is a search result, then it has no more + * outstanding referrals. + */ + if ( tag == LDAP_RES_SEARCH_RESULT ) + refer_cnt = 0; + + } else if ( ber_scanf( &tmpber, "{eAA}", &lderr, + &lr->lr_res_matched, &lr_res_error ) + != LBER_ERROR ) + { + if ( lr_res_error != NULL ) { + if ( lr->lr_res_error != NULL ) { + (void)ldap_append_referral( ld, &lr->lr_res_error, lr_res_error ); + LDAP_FREE( (char *)lr_res_error ); + } else { + lr->lr_res_error = lr_res_error; + } + lr_res_error = NULL; + } + + switch ( lderr ) { + case LDAP_SUCCESS: + case LDAP_COMPARE_TRUE: + case LDAP_COMPARE_FALSE: + break; + + default: + if ( lr->lr_res_error == NULL + || lr->lr_res_error[ 0 ] == '\0' ) + { + break; + } + /* referrals are in error string */ refer_cnt = ldap_chase_referrals( ld, lr, &lr->lr_res_error, -1, &hadref ); lr->lr_status = LDAP_REQST_COMPLETED; -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_DETAIL1, - "read1msg: V2 referral chased," - "mark request completed, id = %d\n", - lr->lr_msgid )); -#else Debug( LDAP_DEBUG_TRACE, - "read1msg: V2 referral chased, mark request completed, id = %d\n", lr->lr_msgid, 0, 0); -#endif + "read1msg: V2 referral chased, " + "mark request completed, id = %d\n", + lr->lr_msgid, 0, 0 ); + break; } /* save errno, message, and matched string */ @@ -672,44 +756,47 @@ try_read1msg( lr->lr_res_errno = ( lderr == LDAP_PARTIAL_RESULTS ) ? LDAP_SUCCESS : lderr; + } else if ( ld->ld_errno != LDAP_SUCCESS ) { lr->lr_res_errno = ld->ld_errno; + } else { lr->lr_res_errno = LDAP_PARTIAL_RESULTS; } -#ifdef NEW_LOGGING -LDAP_LOG (( "result", LDAP_LEVEL_DETAIL1, - "read1msg: new result: res_errno: %d, res_error: <%s>, res_matched: <%s>\n", - lr->lr_res_errno, lr->lr_res_error ? lr->lr_res_error : "", - lr->lr_res_matched ? lr->lr_res_matched : "" )); -#else -Debug( LDAP_DEBUG_TRACE, - "new result: res_errno: %d, res_error: <%s>, res_matched: <%s>\n", - lr->lr_res_errno, lr->lr_res_error ? lr->lr_res_error : "", - lr->lr_res_matched ? lr->lr_res_matched : "" ); -#endif + + Debug( LDAP_DEBUG_TRACE, "new result: " + "res_errno: %d, " + "res_error: <%s>, " + "res_matched: <%s>\n", + lr->lr_res_errno, + lr->lr_res_error ? lr->lr_res_error : "", + lr->lr_res_matched ? lr->lr_res_matched : "" ); + } + + /* in any case, don't leave any lr_res_error 'round */ + if ( lr_res_error ) { + LDAP_FREE( lr_res_error ); } } -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_DETAIL1, - "read1msg: %d new referrals\n", refer_cnt )); -#else Debug( LDAP_DEBUG_TRACE, - "read1msg: %d new referrals\n", refer_cnt, 0, 0 ); -#endif + "read1msg: ld %p %d new referrals\n", + (void *)ld, refer_cnt, 0 ); if ( refer_cnt != 0 ) { /* chasing referrals */ ber_free( ber, 1 ); ber = NULL; if ( refer_cnt < 0 ) { + ldap_return_request( ld, lr, 0 ); return( -1 ); /* fatal error */ } lr->lr_res_errno = LDAP_SUCCESS; /* sucessfully chased referral */ + } else { if ( lr->lr_outrefcnt <= 0 && lr->lr_parent == NULL ) { /* request without any referrals */ simple_request = ( hadref ? 0 : 1 ); + } else { /* request with referrals or child request */ ber_free( ber, 1 ); @@ -717,13 +804,9 @@ Debug( LDAP_DEBUG_TRACE, } lr->lr_status = LDAP_REQST_COMPLETED; /* declare this request done */ -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_DETAIL1, - "read1msg: mark request completed, id = %d\n", lr->lr_msgid )); -#else Debug( LDAP_DEBUG_TRACE, - "read1msg: mark request completed, id = %d\n", lr->lr_msgid, 0, 0); -#endif + "read1msg: mark request completed, ld %p msgid %d\n", + (void *)ld, lr->lr_msgid, 0); while ( lr->lr_parent != NULL ) { merge_error_info( ld, lr->lr_parent, lr ); @@ -735,81 +818,165 @@ Debug( LDAP_DEBUG_TRACE, /* Check if all requests are finished, lr is now parent */ tmplr = lr; - if (tmplr->lr_status == LDAP_REQST_COMPLETED) { - for(tmplr=lr->lr_child; tmplr != NULL; tmplr=tmplr->lr_refnext) { - if( tmplr->lr_status != LDAP_REQST_COMPLETED) { - break; - } + if ( tmplr->lr_status == LDAP_REQST_COMPLETED ) { + for ( tmplr = lr->lr_child; + tmplr != NULL; + tmplr = tmplr->lr_refnext ) + { + if ( tmplr->lr_status != LDAP_REQST_COMPLETED ) break; } } /* This is the parent request if the request has referrals */ - if ( lr->lr_outrefcnt <= 0 && lr->lr_parent == NULL && tmplr == NULL ) { + if ( lr->lr_outrefcnt <= 0 && lr->lr_parent == NULL && + tmplr == NULL ) + { id = lr->lr_msgid; tag = lr->lr_res_msgtype; -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_DETAIL1, - "read1msg: request %ld done\n", (long) id )); - LDAP_LOG (( "result", LDAP_LEVEL_DETAIL1, - "read1msg: res_errno: %d,res_error: <%s>, res_matched: <%s>\n", - lr->lr_res_errno, lr->lr_res_error ? lr->lr_res_error : "", - lr->lr_res_matched ? lr->lr_res_matched : "" )); -#else - Debug( LDAP_DEBUG_ANY, "request %ld done\n", - (long) id, 0, 0 ); + Debug( LDAP_DEBUG_ANY, "request done: ld %p msgid %ld\n", + (void *)ld, (long) id, 0 ); Debug( LDAP_DEBUG_TRACE, "res_errno: %d, res_error: <%s>, res_matched: <%s>\n", lr->lr_res_errno, lr->lr_res_error ? lr->lr_res_error : "", lr->lr_res_matched ? lr->lr_res_matched : "" ); -#endif if ( !simple_request ) { ber_free( ber, 1 ); ber = NULL; if ( build_result_ber( ld, &ber, lr ) - == LBER_ERROR ) { + == LBER_ERROR ) + { rc = -1; /* fatal error */ } } - ldap_free_request( ld, lr ); + ldap_return_request( ld, lr, 1 ); + lr = NULL; } if ( lc != NULL ) { +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_lock( &ld->ld_req_mutex ); +#endif ldap_free_connection( ld, lc, 0, 1 ); +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_unlock( &ld->ld_req_mutex ); +#endif + lc = *lcp = NULL; } } } + if ( lr != NULL ) { + ldap_return_request( ld, lr, 0 ); + lr = NULL; + } + if ( ber == NULL ) { return( rc ); } /* make a new ldap message */ - if ( (new = (LDAPMessage *) LDAP_CALLOC( 1, sizeof(LDAPMessage) )) - == NULL ) { + newmsg = (LDAPMessage *) LDAP_CALLOC( 1, sizeof(LDAPMessage) ); + if ( newmsg == NULL ) { ld->ld_errno = LDAP_NO_MEMORY; return( -1 ); } - new->lm_msgid = (int)id; - new->lm_msgtype = tag; - new->lm_ber = ber; + newmsg->lm_msgid = (int)id; + newmsg->lm_msgtype = tag; + newmsg->lm_ber = ber; + newmsg->lm_chain_tail = newmsg; -#ifndef LDAP_NOCACHE - if ( ld->ld_cache != NULL ) { - ldap_add_result_to_cache( ld, new ); +#ifdef LDAP_CONNECTIONLESS + /* CLDAP replies all fit in a single datagram. In LDAPv2 RFC1798 + * the responses are all a sequence wrapped in one message. In + * LDAPv3 each response is in its own message. The datagram must + * end with a SearchResult. We can't just parse each response in + * separate calls to try_read1msg because the header info is only + * present at the beginning of the datagram, not at the beginning + * of each response. So parse all the responses at once and queue + * them up, then pull off the first response to return to the + * caller when all parsing is complete. + */ + if ( LDAP_IS_UDP(ld) ) { + /* If not a result, look for more */ + if ( tag != LDAP_RES_SEARCH_RESULT ) { + int ok = 0; + moremsgs = 1; + if (isv2) { + /* LDAPv2: dup the current ber, skip past the current + * response, and see if there are any more after it. + */ + ber = ber_dup( ber ); + ber_scanf( ber, "x" ); + if (ber_peek_tag(ber, &len) != LBER_DEFAULT) { + /* There's more - dup the ber buffer so they can all be + * individually freed by ldap_msgfree. + */ + struct berval bv; + ber_get_option(ber, LBER_OPT_BER_REMAINING_BYTES, &len); + bv.bv_val = LDAP_MALLOC(len); + if (bv.bv_val) { + ok=1; + ber_read(ber, bv.bv_val, len); + bv.bv_len = len; + ber_init2(ber, &bv, ld->ld_lberoptions ); + } + } + } else { + /* LDAPv3: Just allocate a new ber. Since this is a buffered + * datagram, if the sockbuf is readable we still have data + * to parse. + */ + ber = ldap_alloc_ber_with_options( ld ); + if ( ber_sockbuf_ctrl( lc->lconn_sb, LBER_SB_OPT_DATA_READY, NULL ) ) ok = 1; + } + /* set up response chain */ + if ( tmp == NULL ) { + newmsg->lm_next = ld->ld_responses; + ld->ld_responses = newmsg; + chain_head = newmsg; + } else { + tmp->lm_chain = newmsg; + } + chain_head->lm_chain_tail = newmsg; + tmp = newmsg; + /* "ok" means there's more to parse */ + if (ok) { + if (isv2) goto nextresp2; + else goto nextresp3; + } else { + /* got to end of datagram without a SearchResult. Free + * our dup'd ber, but leave any buffer alone. For v2 case, + * the previous response is still using this buffer. For v3, + * the new ber has no buffer to free yet. + */ + ber_free(ber, 0); + return -1; + } + } else if ( moremsgs ) { + /* got search result, and we had multiple responses in 1 datagram. + * stick the result onto the end of the chain, and then pull the + * first response off the head of the chain. + */ + tmp->lm_chain = newmsg; + chain_head->lm_chain_tail = newmsg; + *result = chkResponseList( ld, msgid, all ); + ld->ld_errno = LDAP_SUCCESS; + return( (*result)->lm_msgtype ); } -#endif /* LDAP_NOCACHE */ + } +#endif /* LDAP_CONNECTIONLESS */ /* is this the one we're looking for? */ if ( msgid == LDAP_RES_ANY || id == msgid ) { if ( all == LDAP_MSG_ONE - || (new->lm_msgtype != LDAP_RES_SEARCH_RESULT - && new->lm_msgtype != LDAP_RES_SEARCH_ENTRY - && new->lm_msgtype != LDAP_RES_SEARCH_REFERENCE) ) { - *result = new; + || (newmsg->lm_msgtype != LDAP_RES_SEARCH_RESULT + && newmsg->lm_msgtype != LDAP_RES_SEARCH_ENTRY + && newmsg->lm_msgtype != LDAP_RES_SEARCH_REFERENCE) ) { + *result = newmsg; ld->ld_errno = LDAP_SUCCESS; return( tag ); - } else if ( new->lm_msgtype == LDAP_RES_SEARCH_RESULT) { + } else if ( newmsg->lm_msgtype == LDAP_RES_SEARCH_RESULT) { foundit = 1; /* return the chain later */ } } @@ -822,7 +989,7 @@ lr->lr_res_matched ? lr->lr_res_matched : "" ); prev = NULL; for ( l = ld->ld_responses; l != NULL; l = l->lm_next ) { - if ( l->lm_msgid == new->lm_msgid ) + if ( l->lm_msgid == newmsg->lm_msgid ) break; prev = l; } @@ -830,33 +997,21 @@ lr->lr_res_matched ? lr->lr_res_matched : "" ); /* not part of an existing search response */ if ( l == NULL ) { if ( foundit ) { - *result = new; - ld->ld_errno = LDAP_SUCCESS; - return( tag ); + *result = newmsg; + goto exit; } - new->lm_next = ld->ld_responses; - ld->ld_responses = new; - return( -2 ); /* continue looking */ + newmsg->lm_next = ld->ld_responses; + ld->ld_responses = newmsg; + goto exit; } -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_DETAIL1, - "read1msg: adding response id %ld type %ld\n", - (long) new->lm_msgid, (long) new->lm_msgtype )); -#else - Debug( LDAP_DEBUG_TRACE, "adding response id %ld type %ld:\n", - (long) new->lm_msgid, (long) new->lm_msgtype, 0 ); -#endif + Debug( LDAP_DEBUG_TRACE, "adding response ld %p msgid %ld type %ld:\n", + (void *)ld, (long) newmsg->lm_msgid, (long) newmsg->lm_msgtype ); /* part of a search response - add to end of list of entries */ - for ( tmp = l; (tmp->lm_chain != NULL) && - ((tmp->lm_chain->lm_msgtype == LDAP_RES_SEARCH_ENTRY) || - (tmp->lm_chain->lm_msgtype == LDAP_RES_SEARCH_REFERENCE) || - (tmp->lm_chain->lm_msgtype == LDAP_RES_EXTENDED_PARTIAL )); - tmp = tmp->lm_chain ) - ; /* NULL */ - tmp->lm_chain = new; + l->lm_chain_tail->lm_chain = newmsg; + l->lm_chain_tail = newmsg; /* return the whole chain if that's what we were looking for */ if ( foundit ) { @@ -865,22 +1020,17 @@ lr->lr_res_matched ? lr->lr_res_matched : "" ); else prev->lm_next = l->lm_next; *result = l; + } + +exit: + if ( foundit ) { ld->ld_errno = LDAP_SUCCESS; -#ifdef LDAP_WORLD_P16 - /* - * XXX questionable fix; see text for [P16] on - * http://www.critical-angle.com/ldapworld/patch/ - * - * inclusion of this patch causes searchs to hang on - * multiple platforms - */ - return( l->lm_msgtype ); -#else /* LDAP_WORLD_P16 */ return( tag ); -#endif /* !LDAP_WORLD_P16 */ } - - return( -2 ); /* continue looking */ + if ( lc && ber_sockbuf_ctrl( lc->lconn_sb, LBER_SB_OPT_DATA_READY, NULL ) ) { + goto retry; + } + return( LDAP_MSG_X_KEEP_LOOKING ); /* continue looking */ } @@ -901,10 +1051,10 @@ build_result_ber( LDAP *ld, BerElement **bp, LDAPRequest *lr ) } if ( ber_printf( ber, "{it{ess}}", lr->lr_msgid, - lr->lr_res_msgtype, lr->lr_res_errno, - lr->lr_res_matched ? lr->lr_res_matched : "", - lr->lr_res_error ? lr->lr_res_error : "" ) == -1 ) { - + lr->lr_res_msgtype, lr->lr_res_errno, + lr->lr_res_matched ? lr->lr_res_matched : "", + lr->lr_res_error ? lr->lr_res_error : "" ) == -1 ) + { ld->ld_errno = LDAP_ENCODING_ERROR; ber_free(ber, 1); return( LBER_ERROR ); @@ -918,7 +1068,7 @@ build_result_ber( LDAP *ld, BerElement **bp, LDAPRequest *lr ) return( LBER_ERROR ); } - if ( ber_get_int( ber, &along ) == LBER_ERROR ) { + if ( ber_get_enum( ber, &along ) == LBER_ERROR ) { ld->ld_errno = LDAP_DECODING_ERROR; ber_free(ber, 1); return( LBER_ERROR ); @@ -937,27 +1087,29 @@ build_result_ber( LDAP *ld, BerElement **bp, LDAPRequest *lr ) } -static void -merge_error_info( LDAP *ld, LDAPRequest *parentr, LDAPRequest *lr ) -{ /* * Merge error information in "lr" with "parentr" error code and string. */ +static void +merge_error_info( LDAP *ld, LDAPRequest *parentr, LDAPRequest *lr ) +{ if ( lr->lr_res_errno == LDAP_PARTIAL_RESULTS ) { parentr->lr_res_errno = lr->lr_res_errno; if ( lr->lr_res_error != NULL ) { (void)ldap_append_referral( ld, &parentr->lr_res_error, lr->lr_res_error ); } + } else if ( lr->lr_res_errno != LDAP_SUCCESS && - parentr->lr_res_errno == LDAP_SUCCESS ) { + parentr->lr_res_errno == LDAP_SUCCESS ) + { parentr->lr_res_errno = lr->lr_res_errno; if ( parentr->lr_res_error != NULL ) { LDAP_FREE( parentr->lr_res_error ); } parentr->lr_res_error = lr->lr_res_error; lr->lr_res_error = NULL; - if ( LDAP_NAME_ERROR( lr->lr_res_errno )) { + if ( LDAP_NAME_ERROR( lr->lr_res_errno ) ) { if ( parentr->lr_res_matched != NULL ) { LDAP_FREE( parentr->lr_res_matched ); } @@ -966,21 +1118,12 @@ merge_error_info( LDAP *ld, LDAPRequest *parentr, LDAPRequest *lr ) } } -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_DETAIL1, - "read1msg: merged parent (id %d) error info: result errno %d, " - "error <%s>, matched <%s>\n", parentr->lr_msgid, - parentr->lr_res_errno, parentr->lr_res_error ? - parentr->lr_res_error : "", parentr->lr_res_matched ? - parentr->lr_res_matched : "" )); -#else Debug( LDAP_DEBUG_TRACE, "merged parent (id %d) error info: ", - parentr->lr_msgid, 0, 0 ); + parentr->lr_msgid, 0, 0 ); Debug( LDAP_DEBUG_TRACE, "result errno %d, error <%s>, matched <%s>\n", - parentr->lr_res_errno, parentr->lr_res_error ? - parentr->lr_res_error : "", parentr->lr_res_matched ? - parentr->lr_res_matched : "" ); -#endif + parentr->lr_res_errno, + parentr->lr_res_error ? parentr->lr_res_error : "", + parentr->lr_res_matched ? parentr->lr_res_matched : "" ); } @@ -989,7 +1132,7 @@ int ldap_msgtype( LDAPMessage *lm ) { assert( lm != NULL ); - return ( lm != NULL ) ? lm->lm_msgtype : -1; + return ( lm != NULL ) ? (int)lm->lm_msgtype : -1; } @@ -1010,7 +1153,7 @@ char * ldap_int_msgtype2str( ber_tag_t tag ) case LDAP_RES_COMPARE: return "compare"; case LDAP_RES_DELETE: return "delete"; case LDAP_RES_EXTENDED: return "extended-result"; - case LDAP_RES_EXTENDED_PARTIAL: return "extended-partial"; + case LDAP_RES_INTERMEDIATE: return "intermediate"; case LDAP_RES_MODIFY: return "modify"; case LDAP_RES_RENAME: return "rename"; case LDAP_RES_SEARCH_ENTRY: return "search-entry"; @@ -1026,11 +1169,7 @@ ldap_msgfree( LDAPMessage *lm ) LDAPMessage *next; int type = 0; -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_ENTRY, "ldap_msgfree\n" )); -#else Debug( LDAP_DEBUG_TRACE, "ldap_msgfree\n", 0, 0, 0 ); -#endif for ( ; lm != NULL; lm = next ) { next = lm->lm_chain; @@ -1039,7 +1178,7 @@ ldap_msgfree( LDAPMessage *lm ) LDAP_FREE( (char *) lm ); } - return( type ); + return type; } /* @@ -1051,74 +1190,124 @@ int ldap_msgdelete( LDAP *ld, int msgid ) { LDAPMessage *lm, *prev; + int rc = 0; assert( ld != NULL ); -#ifdef NEW_LOGGING - LDAP_LOG (( "result", LDAP_LEVEL_ENTRY, "ldap_msgdelete\n" )); -#else - Debug( LDAP_DEBUG_TRACE, "ldap_msgdelete\n", 0, 0, 0 ); -#endif + Debug( LDAP_DEBUG_TRACE, "ldap_msgdelete ld=%p msgid=%d\n", + (void *)ld, msgid, 0 ); +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_lock( &ld->ld_res_mutex ); +#endif prev = NULL; for ( lm = ld->ld_responses; lm != NULL; lm = lm->lm_next ) { - if ( lm->lm_msgid == msgid ) + if ( lm->lm_msgid == msgid ) { break; + } prev = lm; } - if ( lm == NULL ) - return( -1 ); - - if ( prev == NULL ) - ld->ld_responses = lm->lm_next; - else - prev->lm_next = lm->lm_next; + if ( lm == NULL ) { + rc = -1; - if ( ldap_msgfree( lm ) == LDAP_RES_SEARCH_ENTRY ) - return( -1 ); + } else { + if ( prev == NULL ) { + ld->ld_responses = lm->lm_next; + } else { + prev->lm_next = lm->lm_next; + } + } +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_unlock( &ld->ld_res_mutex ); +#endif + if ( lm && ldap_msgfree( lm ) == LDAP_RES_SEARCH_ENTRY ) { + rc = -1; + } - return( 0 ); + return rc; } /* - * return 1 if message msgid is waiting to be abandoned, 0 otherwise + * ldap_abandoned_idx + * + * return the location of the message id in the array of abandoned + * message ids, or -1 + * + * expects ld_res_mutex to be locked */ static int -ldap_abandoned( LDAP *ld, ber_int_t msgid ) +ldap_abandoned_idx( LDAP *ld, ber_int_t msgid ) { - int i; + int begin, + end; - if ( ld->ld_abandoned == NULL ) - return( 0 ); +#ifdef LDAP_R_COMPILE + LDAP_PVT_THREAD_ASSERT_MUTEX_OWNER( &ld->ld_res_mutex ); +#endif - for ( i = 0; ld->ld_abandoned[i] != -1; i++ ) - if ( ld->ld_abandoned[i] == msgid ) - return( 1 ); + assert( ld->ld_nabandoned >= 0 ); - return( 0 ); -} + if ( ld->ld_abandoned == NULL || ld->ld_nabandoned == 0 ) { + return -1; + } + begin = 0; + end = ld->ld_nabandoned - 1; + /* use bisection */ + if ( msgid < ld->ld_abandoned[ begin ] ) { + return -1; + } + + if ( msgid > ld->ld_abandoned[ end ] ) { + return -1; + } + + while ( end >= begin ) { + int pos = (begin + end)/2; + int curid = ld->ld_abandoned[ pos ]; + + if ( msgid < curid ) { + end = pos - 1; + + } else if ( msgid > curid ) { + begin = pos + 1; + + } else { + return pos; + } + } + + /* not abandoned */ + return -1; +} + +/* + * ldap_mark_abandoned + * + * expects ld_res_mutex to be locked + */ static int ldap_mark_abandoned( LDAP *ld, ber_int_t msgid ) { - int i; + int i, idx; - if ( ld->ld_abandoned == NULL ) - return( -1 ); - - for ( i = 0; ld->ld_abandoned[i] != -1; i++ ) - if ( ld->ld_abandoned[i] == msgid ) - break; +#ifdef LDAP_R_COMPILE + LDAP_PVT_THREAD_ASSERT_MUTEX_OWNER( &ld->ld_res_mutex ); +#endif - if ( ld->ld_abandoned[i] == -1 ) - return( -1 ); + idx = ldap_abandoned_idx( ld, msgid ); + if ( idx == -1 ) { + return -1; + } - for ( ; ld->ld_abandoned[i] != -1; i++ ) { - ld->ld_abandoned[i] = ld->ld_abandoned[i + 1]; + --ld->ld_nabandoned; + assert( ld->ld_nabandoned >= 0 ); + for ( i = idx; i < ld->ld_nabandoned; i++ ) { + ld->ld_abandoned[ i ] = ld->ld_abandoned[ i + 1 ]; } - return( 0 ); + return 0; }