+/* $OpenLDAP$ */
/*
+ * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
+/* Portions
* Copyright (c) 1990 Regents of the University of Michigan.
* All rights reserved.
+ */
+/*---
+ * 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.
+ *
+ * THIS WORK IS SUBJECT TO U.S. AND INTERNATIONAL COPYRIGHT LAWS AND TREATIES.
+ * USE, MODIFICATION, AND REDISTRIBUTION OF THIS WORK IS SUBJECT TO VERSION
+ * 2.0.1 OF THE OPENLDAP PUBLIC LICENSE, A COPY OF WHICH IS AVAILABLE AT
+ * HTTP://WWW.OPENLDAP.ORG/LICENSE.HTML OR IN THE FILE "LICENSE" IN THE
+ * TOP-LEVEL DIRECTORY OF THE DISTRIBUTION. ANY USE OR EXPLOITATION OF THIS
+ * WORK OTHER THAN AS AUTHORIZED IN VERSION 2.0.1 OF THE OPENLDAP PUBLIC
+ * LICENSE, OR OTHER PRIOR WRITTEN CONSENT FROM NOVELL, COULD SUBJECT THE
+ * PERPETRATOR TO CRIMINAL AND CIVIL LIABILITY.
+ *---
+ * 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
*/
-#ifndef lint
-static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
-#endif
+/*
+ * LDAPv3 (RFC2251)
+ * LDAPResult ::= SEQUENCE {
+ * resultCode ENUMERATED { ... },
+ * matchedDN LDAPDN,
+ * errorMessage LDAPString,
+ * referral Referral OPTIONAL
+ * }
+ * Referral ::= SEQUENCE OF LDAPURL (one or more)
+ * LDAPURL ::= LDAPString (limited to URL chars)
+ */
-#include <stdio.h>
-#include <string.h>
-#ifdef MACOS
-#include <stdlib.h>
-#include <time.h>
-#include "macos.h"
-#else /* MACOS */
-#if defined( DOS ) || defined( _WIN32 )
-#include <time.h>
-#include "msdos.h"
-#ifdef PCNFS
-#include <tklib.h>
-#include <tk_errno.h>
-#include <bios.h>
-#endif /* PCNFS */
-#ifdef NCSA
-#include "externs.h"
-#endif /* NCSA */
-#else /* DOS */
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/errno.h>
-#ifdef _AIX
-#include <sys/select.h>
-#endif /* _AIX */
#include "portable.h"
-#endif /* DOS */
-#endif /* MACOS */
-#ifdef VMS
-#include "ucx_select.h"
-#endif
-#include "lber.h"
-#include "ldap.h"
+
+#include <stdio.h>
+
+#include <ac/stdlib.h>
+
+#include <ac/errno.h>
+#include <ac/socket.h>
+#include <ac/string.h>
+#include <ac/time.h>
+#include <ac/unistd.h>
+
#include "ldap-int.h"
-#ifdef USE_SYSCONF
-#include <unistd.h>
-#endif /* USE_SYSCONF */
-
-#ifdef NEEDPROTOS
-static int ldap_abandoned( LDAP *ld, int msgid );
-static int ldap_mark_abandoned( LDAP *ld, int msgid );
-static int wait4msg( LDAP *ld, int msgid, int all, struct timeval *timeout,
- LDAPMessage **result );
-#ifdef LDAP_REFERRALS
-static int read1msg( LDAP *ld, int msgid, int all, Sockbuf *sb, LDAPConn *lc,
- LDAPMessage **result );
-static int build_result_ber( LDAP *ld, BerElement *ber, LDAPRequest *lr );
-static void merge_error_info( LDAP *ld, LDAPRequest *parentr, LDAPRequest *lr );
-#else /* LDAP_REFERRALS */
-static int read1msg( LDAP *ld, int msgid, int all, Sockbuf *sb,
- LDAPMessage **result );
-#endif /* LDAP_REFERRALS */
-#if defined( CLDAP ) || !defined( LDAP_REFERRALS )
-static int ldap_select1( LDAP *ld, struct timeval *timeout );
-#endif
-#else /* NEEDPROTOS */
-static int ldap_abandoned();
-static int ldap_mark_abandoned();
-static int wait4msg();
-static int read1msg();
-#ifdef LDAP_REFERRALS
-static int build_result_ber();
-static void merge_error_info();
-#endif /* LDAP_REFERRALS */
-#if defined( CLDAP ) || !defined( LDAP_REFERRALS )
-static int ldap_select1();
-#endif
-#endif /* NEEDPROTOS */
-#if !defined( MACOS ) && !defined( DOS )
-extern int errno;
-#endif
+static int ldap_abandoned LDAP_P(( LDAP *ld, ber_int_t msgid ));
+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 ));
+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));
/*
* ldap_result - wait for an ldap result response to a message from the
- * ldap server. If msgid is -1, any message will be accepted, otherwise
- * ldap_result will wait for a response with msgid. If all is 0 the
- * first message with id msgid will be accepted, otherwise, ldap_result
- * will wait for all responses with id msgid and then return a pointer to
- * the entire list of messages. This is only useful for search responses,
- * which can be of two message types (zero or more entries, followed by an
- * ldap result). The type of the first message received is returned.
+ * ldap server. If msgid is LDAP_RES_ANY (-1), any message will be
+ * accepted. If msgid is LDAP_RES_UNSOLICITED (0), any unsolicited
+ * message is accepted. Otherwise ldap_result will wait for a response
+ * with msgid. If all is LDAP_MSG_ONE (0) the first message with id
+ * msgid will be accepted, otherwise, ldap_result will wait for all
+ * responses with id msgid and then return a pointer to the entire list
+ * of messages. In general, this is only useful for search responses,
+ * which can be of three message types (zero or more entries, zero or
+ * search references, followed by an ldap result). An extension to
+ * LDAPv3 allows partial extended responses to be returned in response
+ * to any request. The type of the first message received is returned.
* When waiting, any messages that have been abandoned are discarded.
*
* Example:
* ldap_result( s, msgid, all, timeout, result )
*/
int
-ldap_result( LDAP *ld, int msgid, int all, struct timeval *timeout,
+ldap_result(
+ LDAP *ld,
+ int msgid,
+ int all,
+ struct timeval *timeout,
LDAPMessage **result )
{
- LDAPMessage *lm, *lastlm, *nextlm;
+ LDAPMessage *lm;
- /*
- * First, look through the list of responses we have received on
+ assert( ld != NULL );
+ assert( result != NULL );
+
+ Debug( LDAP_DEBUG_TRACE, "ldap_result msgid %d\n", msgid, 0, 0 );
+
+ if( ld == NULL ) {
+ return -1;
+ }
+
+ if( result == NULL ) {
+ ld->ld_errno = LDAP_PARAM_ERROR;
+ return -1;
+ }
+
+ lm = chkResponseList(ld, msgid, all);
+
+ if ( lm == NULL ) {
+ return( wait4msg( ld, msgid, all, timeout, result ) );
+ }
+
+ *result = lm;
+ ld->ld_errno = LDAP_SUCCESS;
+ return( lm->lm_msgtype );
+}
+
+static LDAPMessage *
+chkResponseList(
+ LDAP *ld,
+ int msgid,
+ int all)
+{
+ LDAPMessage *lm, *lastlm, *nextlm;
+ /*
+ * 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.
*/
- Debug( LDAP_DEBUG_TRACE, "ldap_result\n", 0, 0, 0 );
-
- *result = NULLMSG;
- lastlm = NULLMSG;
- for ( lm = ld->ld_responses; lm != NULLMSG; lm = nextlm ) {
+ Debug( LDAP_DEBUG_TRACE,
+ "ldap_chkResponseList for msgid=%d, all=%d\n",
+ msgid, all, 0 );
+ lastlm = NULL;
+ for ( lm = ld->ld_responses; lm != NULL; lm = nextlm ) {
nextlm = lm->lm_next;
if ( ldap_abandoned( ld, lm->lm_msgid ) ) {
+ Debug( LDAP_DEBUG_TRACE,
+ "ldap_chkResponseList msg abandoned, msgid %d\n",
+ msgid, 0, 0 );
ldap_mark_abandoned( ld, lm->lm_msgid );
- if ( lastlm == NULLMSG ) {
+ if ( lastlm == NULL ) {
+ /* Remove first entry in list */
ld->ld_responses = lm->lm_next;
} else {
lastlm->lm_next = nextlm;
if ( msgid == LDAP_RES_ANY || lm->lm_msgid == msgid ) {
LDAPMessage *tmp;
- if ( all == 0
- || (lm->lm_msgtype != LDAP_RES_SEARCH_RESULT
- && lm->lm_msgtype != LDAP_RES_SEARCH_ENTRY) )
+ if ( all == LDAP_MSG_ONE || msgid == LDAP_RES_UNSOLICITED ) {
break;
+ }
- for ( tmp = lm; tmp != NULLMSG; tmp = tmp->lm_chain ) {
- if ( tmp->lm_msgtype == LDAP_RES_SEARCH_RESULT )
+ for ( tmp = lm; tmp != NULL; tmp = tmp->lm_chain ) {
+ if ( lm->lm_msgtype != LDAP_RES_SEARCH_ENTRY
+ && lm->lm_msgtype != LDAP_RES_SEARCH_REFERENCE
+ && lm->lm_msgtype != LDAP_RES_EXTENDED_PARTIAL )
+ {
break;
+ }
}
- if ( tmp == NULLMSG ) {
- return( wait4msg( ld, msgid, all, timeout,
- result ) );
+ if ( tmp == NULL ) {
+ lm = NULL;
}
break;
}
lastlm = lm;
}
- if ( lm == NULLMSG ) {
- return( wait4msg( ld, msgid, all, timeout, result ) );
- }
- if ( lastlm == NULLMSG ) {
- ld->ld_responses = (all == 0 && lm->lm_chain != NULLMSG
- ? lm->lm_chain : lm->lm_next);
+ 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;
+ }
+
+#ifdef LDAP_DEBUG
+ if( lm == NULL) {
+ Debug( LDAP_DEBUG_TRACE,
+ "ldap_chkResponseList returns NULL\n", 0, 0, 0);
} else {
- lastlm->lm_next = (all == 0 && lm->lm_chain != NULLMSG
- ? lm->lm_chain : lm->lm_next);
+ Debug( LDAP_DEBUG_TRACE,
+ "ldap_chkResponseList returns msgid %d, type 0x%02lu\n",
+ lm->lm_msgid, (unsigned long) lm->lm_msgtype, 0);
}
- if ( all == 0 )
- lm->lm_chain = NULLMSG;
- lm->lm_next = NULLMSG;
-
- *result = lm;
- ld->ld_errno = LDAP_SUCCESS;
- return( lm->lm_msgtype );
+#endif
+ return lm;
}
-
static int
-wait4msg( LDAP *ld, int msgid, int all, struct timeval *timeout,
+wait4msg(
+ LDAP *ld,
+ ber_int_t msgid,
+ int all,
+ struct timeval *timeout,
LDAPMessage **result )
{
int rc;
struct timeval tv, *tvp;
- long start_time, tmp_time;
-#ifdef LDAP_REFERRALS
+ time_t start_time = 0;
+ time_t tmp_time;
LDAPConn *lc, *nextlc;
-#endif /* LDAP_REFERRALS */
+
+ assert( ld != NULL );
+ assert( result != NULL );
#ifdef LDAP_DEBUG
if ( timeout == NULL ) {
- Debug( LDAP_DEBUG_TRACE, "wait4msg (infinite timeout)\n",
- 0, 0, 0 );
+ Debug( LDAP_DEBUG_TRACE, "wait4msg (infinite timeout), msgid %d\n",
+ msgid, 0, 0 );
} else {
- Debug( LDAP_DEBUG_TRACE, "wait4msg (timeout %ld sec, %ld usec)\n",
- timeout->tv_sec, timeout->tv_usec, 0 );
+ Debug( LDAP_DEBUG_TRACE, "wait4msg (timeout %ld sec, %ld usec), msgid %d\n",
+ (long) timeout->tv_sec, (long) timeout->tv_usec, msgid );
}
#endif /* LDAP_DEBUG */
} else {
tv = *timeout;
tvp = &tv;
- start_time = (long)time( NULL );
+ start_time = time( NULL );
}
rc = -2;
while ( rc == -2 ) {
-#ifndef LDAP_REFERRALS
- /* hack attack */
- if ( ld->ld_sb.sb_ber.ber_ptr >= ld->ld_sb.sb_ber.ber_end ) {
- rc = ldap_select1( ld, tvp );
-
-#if !defined( MACOS ) && !defined( DOS )
- if ( rc == 0 || ( rc == -1 && (( ld->ld_options &
- LDAP_OPT_RESTART ) == 0 || errno != EINTR ))) {
-#else
- if ( rc == -1 || rc == 0 ) {
-#endif
- ld->ld_errno = (rc == -1 ? LDAP_SERVER_DOWN :
- LDAP_TIMEOUT);
- return( rc );
- }
-
- }
- if ( rc == -1 ) {
- rc = -2; /* select interrupted: loop */
- } else {
- rc = read1msg( ld, msgid, all, &ld->ld_sb, result );
- }
-#else /* !LDAP_REFERRALS */
#ifdef LDAP_DEBUG
+ Debug( LDAP_DEBUG_TRACE, "wait4msg continue, msgid %d, all %d\n",
+ msgid, all, 0 );
if ( ldap_debug & LDAP_DEBUG_TRACE ) {
ldap_dump_connection( ld, ld->ld_conns, 1 );
ldap_dump_requests_and_responses( ld );
}
#endif /* LDAP_DEBUG */
- for ( lc = ld->ld_conns; lc != NULL; lc = lc->lconn_next ) {
- if ( lc->lconn_sb->sb_ber.ber_ptr <
- lc->lconn_sb->sb_ber.ber_end ) {
- rc = read1msg( ld, msgid, all, lc->lconn_sb,
- lc, result );
- break;
- }
- }
- if ( lc == NULL ) {
- rc = do_ldap_select( ld, tvp );
+ if( (*result = chkResponseList(ld, msgid, all)) != NULL ) {
+ rc = (*result)->lm_msgtype;
+ } else {
+ 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;
+ }
+ }
+
+ if ( lc == NULL ) {
+ rc = do_ldap_select( ld, tvp );
-#if defined( LDAP_DEBUG ) && !defined( MACOS ) && !defined( DOS )
- if ( rc == -1 ) {
- Debug( LDAP_DEBUG_TRACE,
- "do_ldap_select returned -1: errno %d\n",
- errno, 0, 0 );
- }
-#endif
-#if !defined( MACOS ) && !defined( DOS )
- if ( rc == 0 || ( rc == -1 && (( ld->ld_options &
- LDAP_OPT_RESTART ) == 0 || errno != EINTR ))) {
-#else
- if ( rc == -1 || rc == 0 ) {
+#ifdef LDAP_DEBUG
+ if ( rc == -1 ) {
+ Debug( LDAP_DEBUG_TRACE,
+ "do_ldap_select returned -1: errno %d\n",
+ errno, 0, 0 );
+ }
#endif
- 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 = read1msg( ld, msgid, all,
- lc->lconn_sb, lc, result );
- }
- }
- }
+ 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 );
+ }
+ }
+ }
+ }
}
-#endif /* !LDAP_REFERRALS */
if ( rc == -2 && tvp != NULL ) {
- tmp_time = (long)time( NULL );
+ tmp_time = time( NULL );
if (( tv.tv_sec -= ( tmp_time - start_time )) <= 0 ) {
rc = 0; /* timed out */
ld->ld_errno = LDAP_TIMEOUT;
}
Debug( LDAP_DEBUG_TRACE, "wait4msg: %ld secs to go\n",
- tv.tv_sec, 0, 0 );
+ (long) tv.tv_sec, 0, 0 );
start_time = tmp_time;
}
}
}
-static int
-read1msg( LDAP *ld, int msgid, int all, Sockbuf *sb,
-#ifdef LDAP_REFERRALS
+static ber_tag_t
+try_read1msg(
+ LDAP *ld,
+ ber_int_t msgid,
+ int all,
+ Sockbuf *sb,
LDAPConn *lc,
-#endif /* LDAP_REFERRALS */
- LDAPMessage **result )
+ LDAPMessage **result )
{
- BerElement ber;
+ BerElement *ber;
LDAPMessage *new, *l, *prev, *tmp;
- long id;
- unsigned long tag, len;
+ ber_int_t id;
+ ber_tag_t tag;
+ ber_len_t len;
int foundit = 0;
-#ifdef LDAP_REFERRALS
- LDAPRequest *lr;
+ LDAPRequest *lr, *tmplr;
BerElement tmpber;
int rc, refer_cnt, hadref, simple_request;
- unsigned long lderr;
-#endif /* LDAP_REFERRALS */
+ ber_int_t lderr;
+ /*
+ * v3ref = flag for V3 referral / search reference
+ * 0 = not a ref, 1 = sucessfully chased ref, -1 = pass ref to application
+ */
+ int v3ref;
+
+ assert( ld != NULL );
+ assert( lc != NULL );
+
+ Debug( LDAP_DEBUG_TRACE, "read1msg: msgid %d, all %d\n", msgid, all, 0 );
- Debug( LDAP_DEBUG_TRACE, "read1msg\n", 0, 0, 0 );
+ if ( lc->lconn_ber == NULL ) {
+ lc->lconn_ber = ldap_alloc_ber_with_options(ld);
+
+ if( lc->lconn_ber == NULL ) {
+ return -1;
+ }
+ }
- ber_init( &ber, 0 );
- ldap_set_ber_options( ld, &ber );
+ ber = lc->lconn_ber;
+ assert( BER_VALID (ber) );
/* get the next message */
- if ( (tag = ber_get_next( sb, &len, &ber ))
+ errno = 0;
+ if ( (tag = ber_get_next( sb, &len, ber ))
!= LDAP_TAG_MESSAGE ) {
- ld->ld_errno = (tag == LBER_DEFAULT ? LDAP_SERVER_DOWN :
- LDAP_LOCAL_ERROR);
- return( -1 );
+ if ( tag == LBER_DEFAULT) {
+#ifdef LDAP_DEBUG
+ Debug( LDAP_DEBUG_CONNS,
+ "ber_get_next failed.\n", 0, 0, 0 );
+#endif
+#ifdef EWOULDBLOCK
+ if (errno==EWOULDBLOCK) return -2;
+#endif
+#ifdef EAGAIN
+ if (errno == EAGAIN) return -2;
+#endif
+ ld->ld_errno = LDAP_SERVER_DOWN;
+ return -1;
+ }
+ 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 ) {
+ if ( ber_get_int( ber, &id ) == LBER_ERROR ) {
+ ber_free( ber, 1 );
ld->ld_errno = LDAP_DECODING_ERROR;
return( -1 );
}
/* if it's been abandoned, toss it */
- if ( ldap_abandoned( ld, (int)id ) ) {
- free( ber.ber_buf ); /* gack! */
+ if ( ldap_abandoned( ld, id ) ) {
+ ber_free( ber, 1 );
+ Debug( LDAP_DEBUG_ANY, "abandoned\n", 0, 0, 0);
return( -2 ); /* continue looking */
}
-#ifdef LDAP_REFERRALS
if (( lr = ldap_find_request_by_msgid( ld, id )) == NULL ) {
Debug( LDAP_DEBUG_ANY,
"no request for response with msgid %ld (tossing)\n",
- id, 0, 0 );
- free( ber.ber_buf ); /* gack! */
+ (long) id, 0, 0 );
+ ber_free( ber, 1 );
return( -2 ); /* continue looking */
}
- Debug( LDAP_DEBUG_TRACE, "got %s msgid %ld, original id %d\n",
- ( tag == LDAP_RES_SEARCH_ENTRY ) ? "entry" : "result", id,
- lr->lr_origid );
- id = lr->lr_origid;
-#endif /* LDAP_REFERRALS */
/* the message type */
- if ( (tag = ber_peek_tag( &ber, &len )) == LBER_ERROR ) {
+ if ( (tag = ber_peek_tag( ber, &len )) == LBER_ERROR ) {
ld->ld_errno = LDAP_DECODING_ERROR;
+ ber_free( ber, 1 );
return( -1 );
}
-#ifdef LDAP_REFERRALS
+ 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 );
+
+ id = lr->lr_origid;
refer_cnt = 0;
hadref = simple_request = 0;
rc = -2; /* default is to keep looking (no response found) */
lr->lr_res_msgtype = tag;
- if ( tag != LDAP_RES_SEARCH_ENTRY ) {
+ /*
+ * 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 */
+ 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) {
+ /* This is a V3 search reference */
+ /* Assume we do not chase the reference, but pass it to application */
+ v3ref = -1;
+ 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 */
+ refer_cnt = ldap_chase_v3referrals( ld, lr, refs,
+ 1, &lr->lr_res_error, &hadref );
+ if ( refer_cnt > 0 ) { /* sucessfully chased reference */
+ /* If haven't got end search, set chasing referrals */
+ if( lr->lr_status != LDAP_REQST_COMPLETED) {
+ lr->lr_status = LDAP_REQST_CHASINGREFS;
+ Debug( LDAP_DEBUG_TRACE,
+ "read1msg: search ref chased, mark request chasing refs, id = %d\n",
+ lr->lr_msgid, 0, 0);
+ }
+ v3ref = 1; /* We sucessfully chased the reference */
+ }
+ }
+ }
+ } 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 ) {
+ /* Check if V3 referral */
+ if( ber_peek_tag( &tmpber, &len) == LDAP_TAG_REFERRAL ) {
+ /* We have a V3 referral, assume we cannot chase it */
+ v3ref = -1;
+ 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 */
+ /* Get the referral list */
+ if( ber_scanf( &tmpber, "{v}", &refs) == LBER_ERROR) {
+ rc = LDAP_DECODING_ERROR;
+ lr->lr_status = LDAP_REQST_COMPLETED;
+ Debug( LDAP_DEBUG_TRACE,
+ "read1msg: referral decode error, mark request completed, id = %d\n",
+ lr->lr_msgid, 0, 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 );
+ lr->lr_status = LDAP_REQST_COMPLETED;
+ Debug( LDAP_DEBUG_TRACE,
+ "read1msg: referral chased, mark request completed, id = %d\n",
+ lr->lr_msgid, 0, 0);
+ if( refer_cnt > 0) {
+ v3ref = 1; /* Referral successfully chased */
+ }
+ }
+ }
+ }
+
+ if( lr->lr_res_matched != NULL ) {
+ 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;
+ }
+ }
+ }
+ }
+
+ /* All results that just return a status, i.e. don't return data
+ * 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) ) {
+ /* For a v3 search referral/reference, only come here if already chased it */
if ( ld->ld_version >= LDAP_VERSION2 &&
- ( lr->lr_parent != NULL ||
- ( ld->ld_options & LDAP_OPT_REFERRALS ) != 0 )) {
- tmpber = ber; /* struct copy */
+ ( lr->lr_parent != NULL ||
+ LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_REFERRALS) ) )
+ {
+ 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 ) {
/* referrals are in error string */
refer_cnt = ldap_chase_referrals( ld, lr,
&lr->lr_res_error, &hadref );
+ lr->lr_status = LDAP_REQST_COMPLETED;
+ Debug( LDAP_DEBUG_TRACE,
+ "read1msg: V2 referral chased, mark request completed, id = %d\n", lr->lr_msgid, 0, 0);
}
/* save errno, message, and matched string */
"read1msg: %d new referrals\n", refer_cnt, 0, 0 );
if ( refer_cnt != 0 ) { /* chasing referrals */
- free( ber.ber_buf ); /* gack! */
- ber.ber_buf = NULL;
+ ber_free( ber, 1 );
+ ber = NULL;
if ( refer_cnt < 0 ) {
return( -1 ); /* fatal error */
}
- lr->lr_status = LDAP_REQST_CHASINGREFS;
+ 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 */
- free( ber.ber_buf ); /* gack! */
- ber.ber_buf = NULL;
+ ber_free( ber, 1 );
+ ber = NULL;
}
+ lr->lr_status = LDAP_REQST_COMPLETED; /* declare this request done */
+ Debug( LDAP_DEBUG_TRACE,
+ "read1msg: mark request completed, id = %d\n", lr->lr_msgid, 0, 0);
while ( lr->lr_parent != NULL ) {
merge_error_info( ld, lr->lr_parent, lr );
}
}
- if ( lr->lr_outrefcnt <= 0 && lr->lr_parent == NULL ) {
+ /* Check if all requests are finished, lr is now parent */
+ for(tmplr=lr ; 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 ) {
id = lr->lr_msgid;
tag = lr->lr_res_msgtype;
Debug( LDAP_DEBUG_ANY, "request %ld done\n",
- id, 0, 0 );
+ (long) id, 0, 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 : "" );
if ( !simple_request ) {
- if ( ber.ber_buf != NULL ) {
- free( ber.ber_buf ); /* gack! */
- ber.ber_buf = NULL;
- }
+ ber_free( ber, 1 );
+ ber = NULL;
if ( build_result_ber( ld, &ber, lr )
== LBER_ERROR ) {
- ld->ld_errno = LDAP_NO_MEMORY;
rc = -1; /* fatal error */
}
}
}
}
- if ( ber.ber_buf == NULL ) {
+ if ( ber == NULL ) {
return( rc );
}
-#endif /* LDAP_REFERRALS */
/* make a new ldap message */
- if ( (new = (LDAPMessage *) calloc( 1, sizeof(LDAPMessage) ))
+ if ( (new = (LDAPMessage *) LDAP_CALLOC( 1, sizeof(LDAPMessage) ))
== NULL ) {
ld->ld_errno = LDAP_NO_MEMORY;
return( -1 );
}
new->lm_msgid = (int)id;
new->lm_msgtype = tag;
- new->lm_ber = ber_dup( &ber );
+ new->lm_ber = ber;
-#ifndef NO_CACHE
+#ifndef LDAP_NOCACHE
if ( ld->ld_cache != NULL ) {
ldap_add_result_to_cache( ld, new );
}
-#endif /* NO_CACHE */
+#endif /* LDAP_NOCACHE */
/* is this the one we're looking for? */
if ( msgid == LDAP_RES_ANY || id == msgid ) {
- if ( all == 0
+ 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_ENTRY
+ && new->lm_msgtype != LDAP_RES_SEARCH_REFERENCE) ) {
*result = new;
ld->ld_errno = LDAP_SUCCESS;
return( tag );
* search response.
*/
- prev = NULLMSG;
- for ( l = ld->ld_responses; l != NULLMSG; l = l->lm_next ) {
+ prev = NULL;
+ for ( l = ld->ld_responses; l != NULL; l = l->lm_next ) {
if ( l->lm_msgid == new->lm_msgid )
break;
prev = l;
}
/* not part of an existing search response */
- if ( l == NULLMSG ) {
+ if ( l == NULL ) {
if ( foundit ) {
*result = new;
ld->ld_errno = LDAP_SUCCESS;
return( -2 ); /* continue looking */
}
- Debug( LDAP_DEBUG_TRACE, "adding response id %d type %d:\n",
- new->lm_msgid, new->lm_msgtype, 0 );
+ Debug( LDAP_DEBUG_TRACE, "adding response id %ld type %ld:\n",
+ (long) new->lm_msgid, (long) new->lm_msgtype, 0 );
/* part of a search response - add to end of list of entries */
- for ( tmp = l; tmp->lm_chain != NULLMSG &&
- tmp->lm_chain->lm_msgtype == LDAP_RES_SEARCH_ENTRY;
+ 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;
/* return the whole chain if that's what we were looking for */
if ( foundit ) {
- if ( prev == NULLMSG )
+ if ( prev == NULL )
ld->ld_responses = l->lm_next;
else
prev->lm_next = l->lm_next;
}
-#ifdef LDAP_REFERRALS
-static int
-build_result_ber( LDAP *ld, BerElement *ber, LDAPRequest *lr )
+static ber_tag_t
+build_result_ber( LDAP *ld, BerElement **bp, LDAPRequest *lr )
{
- unsigned long len;
- long along;
+ ber_len_t len;
+ ber_int_t tag;
+ ber_int_t along;
+ BerElement *ber;
+
+ *bp = NULL;
+ ber = ldap_alloc_ber_with_options( ld );
+
+ if( ber == NULL ) {
+ ld->ld_errno = LDAP_NO_MEMORY;
+ return LBER_ERROR;
+ }
- ber_init( ber, 0 );
- ldap_set_ber_options( ld, ber );
if ( ber_printf( ber, "{it{ess}}", lr->lr_msgid,
- (long)lr->lr_res_msgtype, lr->lr_res_errno,
+ lr->lr_res_msgtype, lr->lr_res_errno,
lr->lr_res_matched ? lr->lr_res_matched : "",
- lr->lr_res_error ? lr->lr_res_error : "" ) == LBER_ERROR ) {
+ lr->lr_res_error ? lr->lr_res_error : "" ) == -1 ) {
+
+ ld->ld_errno = LDAP_ENCODING_ERROR;
+ ber_free(ber, 1);
return( LBER_ERROR );
}
ber_reset( ber, 1 );
+
if ( ber_skip_tag( ber, &len ) == LBER_ERROR ) {
+ ld->ld_errno = LDAP_DECODING_ERROR;
+ ber_free(ber, 1);
return( LBER_ERROR );
}
if ( ber_get_int( ber, &along ) == LBER_ERROR ) {
+ ld->ld_errno = LDAP_DECODING_ERROR;
+ ber_free(ber, 1);
+ return( LBER_ERROR );
+ }
+
+ tag = ber_peek_tag( ber, &len );
+
+ if ( tag == LBER_ERROR ) {
+ ld->ld_errno = LDAP_DECODING_ERROR;
+ ber_free(ber, 1);
return( LBER_ERROR );
}
- return( ber_peek_tag( ber, &len ));
+ *bp = ber;
+ return tag;
}
parentr->lr_res_errno == LDAP_SUCCESS ) {
parentr->lr_res_errno = lr->lr_res_errno;
if ( parentr->lr_res_error != NULL ) {
- free( parentr->lr_res_error );
+ LDAP_FREE( parentr->lr_res_error );
}
parentr->lr_res_error = lr->lr_res_error;
lr->lr_res_error = NULL;
- if ( NAME_ERROR( lr->lr_res_errno )) {
+ if ( LDAP_NAME_ERROR( lr->lr_res_errno )) {
if ( parentr->lr_res_matched != NULL ) {
- free( parentr->lr_res_matched );
+ LDAP_FREE( parentr->lr_res_matched );
}
parentr->lr_res_matched = lr->lr_res_matched;
lr->lr_res_matched = NULL;
parentr->lr_res_error : "", parentr->lr_res_matched ?
parentr->lr_res_matched : "" );
}
-#endif /* LDAP_REFERRALS */
-#if defined( CLDAP ) || !defined( LDAP_REFERRALS )
-#if !defined( MACOS ) && !defined( DOS ) && !defined( _WIN32 )
-static int
-ldap_select1( LDAP *ld, struct timeval *timeout )
-{
- fd_set readfds;
- static int tblsize;
-
- if ( tblsize == 0 ) {
-#ifdef FD_SETSIZE
- /*
- * It is invalid to use a set size in excess of the type
- * scope, as defined for the fd_set in sys/types.h. This
- * is true for any OS.
- */
- tblsize = FD_SETSIZE;
-#else /* !FD_SETSIZE*/
-#ifdef USE_SYSCONF
- tblsize = sysconf( _SC_OPEN_MAX );
-#else /* USE_SYSCONF */
- tblsize = getdtablesize();
-#endif /* USE_SYSCONF */
-#endif /* !FD_SETSIZE*/
- }
-
- FD_ZERO( &readfds );
- FD_SET( ld->ld_sb.sb_sd, &readfds );
-
- return( select( tblsize, &readfds, 0, 0, timeout ) );
-}
-#endif /* !MACOS */
-
-
-#ifdef MACOS
-static int
-ldap_select1( LDAP *ld, struct timeval *timeout )
+int
+ldap_msgtype( LDAPMessage *lm )
{
- return( tcpselect( ld->ld_sb.sb_sd, timeout ));
+ assert( lm != NULL );
+ return ( lm != NULL ) ? lm->lm_msgtype : -1;
}
-#endif /* MACOS */
-#if ( defined( DOS ) && defined( WINSOCK )) || defined( _WIN32 )
-static int
-ldap_select1( LDAP *ld, struct timeval *timeout )
+int
+ldap_msgid( LDAPMessage *lm )
{
- fd_set readfds;
- int rc;
-
- FD_ZERO( &readfds );
- FD_SET( ld->ld_sb.sb_sd, &readfds );
+ assert( lm != NULL );
- rc = select( 1, &readfds, 0, 0, timeout );
- return( rc == SOCKET_ERROR ? -1 : rc );
+ return ( lm != NULL ) ? lm->lm_msgid : -1;
}
-#endif /* WINSOCK || _WIN32 */
-#ifdef DOS
-#ifdef PCNFS
-static int
-ldap_select1( LDAP *ld, struct timeval *timeout )
+char * ldap_int_msgtype2str( ber_tag_t tag )
{
- fd_set readfds;
- int res;
-
- FD_ZERO( &readfds );
- FD_SET( ld->ld_sb.sb_sd, &readfds );
-
- res = select( FD_SETSIZE, &readfds, NULL, NULL, timeout );
- if ( res == -1 && errno == EINTR) {
- /* We've been CTRL-C'ed at this point. It'd be nice to
- carry on but PC-NFS currently won't let us! */
- printf("\n*** CTRL-C ***\n");
- exit(-1);
+ switch( tag ) {
+ case LDAP_RES_ADD: return "add";
+ case LDAP_RES_BIND: return "bind";
+ 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_MODIFY: return "modify";
+ case LDAP_RES_RENAME: return "rename";
+ case LDAP_RES_SEARCH_ENTRY: return "search-entry";
+ case LDAP_RES_SEARCH_REFERENCE: return "search-reference";
+ case LDAP_RES_SEARCH_RESULT: return "search-result";
}
- return( res );
+ return "unknown";
}
-#endif /* PCNFS */
-
-#ifdef NCSA
-static int
-ldap_select1( LDAP *ld, struct timeval *timeout )
-{
- int rc;
- clock_t endtime;
-
- if ( timeout != NULL ) {
- endtime = timeout->tv_sec * CLK_TCK +
- timeout->tv_usec * CLK_TCK / 1000000 + clock();
- }
-
- do {
- Stask();
- rc = netqlen( ld->ld_sb.sb_sd );
- } while ( rc <= 0 && ( timeout == NULL || clock() < endtime ));
-
- return( rc > 0 ? 1 : 0 );
-}
-#endif /* NCSA */
-#endif /* DOS */
-#endif /* !LDAP_REFERRALS */
-
int
ldap_msgfree( LDAPMessage *lm )
Debug( LDAP_DEBUG_TRACE, "ldap_msgfree\n", 0, 0, 0 );
- for ( ; lm != NULLMSG; lm = next ) {
+ for ( ; lm != NULL; lm = next ) {
next = lm->lm_chain;
type = lm->lm_msgtype;
ber_free( lm->lm_ber, 1 );
- free( (char *) lm );
+ LDAP_FREE( (char *) lm );
}
return( type );
{
LDAPMessage *lm, *prev;
+ assert( ld != NULL );
+
Debug( LDAP_DEBUG_TRACE, "ldap_msgdelete\n", 0, 0, 0 );
- prev = NULLMSG;
- for ( lm = ld->ld_responses; lm != NULLMSG; lm = lm->lm_next ) {
+ prev = NULL;
+ for ( lm = ld->ld_responses; lm != NULL; lm = lm->lm_next ) {
if ( lm->lm_msgid == msgid )
break;
prev = lm;
}
- if ( lm == NULLMSG )
+ if ( lm == NULL )
return( -1 );
- if ( prev == NULLMSG )
+ if ( prev == NULL )
ld->ld_responses = lm->lm_next;
else
prev->lm_next = lm->lm_next;
* return 1 if message msgid is waiting to be abandoned, 0 otherwise
*/
static int
-ldap_abandoned( LDAP *ld, int msgid )
+ldap_abandoned( LDAP *ld, ber_int_t msgid )
{
int i;
static int
-ldap_mark_abandoned( LDAP *ld, int msgid )
+ldap_mark_abandoned( LDAP *ld, ber_int_t msgid )
{
int i;
return( 0 );
}
-
-
-#ifdef CLDAP
-int
-cldap_getmsg( LDAP *ld, struct timeval *timeout, BerElement *ber )
-{
- int rc;
- unsigned long tag, len;
-
- if ( ld->ld_sb.sb_ber.ber_ptr >= ld->ld_sb.sb_ber.ber_end ) {
- rc = ldap_select1( ld, timeout );
- if ( rc == -1 || rc == 0 ) {
- ld->ld_errno = (rc == -1 ? LDAP_SERVER_DOWN :
- LDAP_TIMEOUT);
- return( rc );
- }
- }
-
- /* get the next message */
- if ( (tag = ber_get_next( &ld->ld_sb, &len, ber ))
- != LDAP_TAG_MESSAGE ) {
- ld->ld_errno = (tag == LBER_DEFAULT ? LDAP_SERVER_DOWN :
- LDAP_LOCAL_ERROR);
- return( -1 );
- }
-
- return( tag );
-}
-#endif /* CLDAP */