+/* $OpenLDAP$ */
/*
+ * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
+/* Portions
* Copyright (c) 1995 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 Added code to chase V3 referrals
* request.c - sending of ldap requests; handling of referrals
*/
#include "portable.h"
-#ifndef lint
-static char copyright[] = "@(#) Copyright (c) 1995 Regents of the University of Michigan.\nAll rights reserved.\n";
-#endif
-
#include <stdio.h>
-#include <stdlib.h>
+
+#include <ac/stdlib.h>
#include <ac/errno.h>
#include <ac/socket.h>
#include <ac/unistd.h>
#include "ldap-int.h"
+#include "lber.h"
-#if defined( LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS ) || defined( LDAP_API_FEATURE_X_OPENLDAP_V2_DNS )
-static LDAPConn *find_connection LDAP_P(( LDAP *ld, LDAPServer *srv, int any ));
+static LDAPConn *find_connection LDAP_P(( LDAP *ld, LDAPURLDesc *srv, int any ));
static void use_connection LDAP_P(( LDAP *ld, LDAPConn *lc ));
-static void free_servers LDAP_P(( LDAPServer *srvlist ));
-#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS || LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
-#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_DNS
-static LDAPServer *dn2servers LDAP_P(( LDAP *ld, char *dn ));
-#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
-
-#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS
-static BerElement *re_encode_request LDAP_P(( LDAP *ld, BerElement *origber,
- int msgid, char **dnp ));
-#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS */
+static BerElement *re_encode_request LDAP_P((
+ LDAP *ld,
+ BerElement *origber,
+ ber_int_t msgid,
+ char **dnp,
+ int *type));
BerElement *
{
BerElement *ber;
- if (( ber = ber_alloc_t( ld->ld_lberoptions )) == NULLBER ) {
+ if (( ber = ber_alloc_t( ld->ld_lberoptions )) == NULL ) {
ld->ld_errno = LDAP_NO_MEMORY;
-#ifdef STR_TRANSLATION
- } else {
- ldap_set_ber_options( ld, ber );
-#endif /* STR_TRANSLATION */
}
return( ber );
ldap_set_ber_options( LDAP *ld, BerElement *ber )
{
ber->ber_options = ld->ld_lberoptions;
-#ifdef STR_TRANSLATION
- if (( ld->ld_lberoptions & LBER_TRANSLATE_STRINGS ) != 0 ) {
- ber_set_string_translators( ber,
- ld->ld_lber_encode_translate_proc,
- ld->ld_lber_decode_translate_proc );
- }
-#endif /* STR_TRANSLATION */
}
-int
-ldap_send_initial_request( LDAP *ld, unsigned long msgtype, char *dn,
+ber_int_t
+ldap_send_initial_request(
+ LDAP *ld,
+ ber_tag_t msgtype,
+ const char *dn,
BerElement *ber )
{
-#if defined( LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS ) || defined( LDAP_API_FEATURE_X_OPENLDAP_V2_DNS )
- LDAPServer *servers;
-#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS || LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
+ LDAPURLDesc *servers;
+ int rc;
Debug( LDAP_DEBUG_TRACE, "ldap_send_initial_request\n", 0, 0, 0 );
-#if !defined( LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS ) && !defined( LDAP_API_FEATURE_X_OPENLDAP_V2_DNS )
- if ( ber_flush( &ld->ld_sb, ber, 1 ) != 0 ) {
- ld->ld_errno = LDAP_SERVER_DOWN;
- return( -1 );
- }
-
- ld->ld_errno = LDAP_SUCCESS;
- return( ld->ld_msgid );
-#else /* !LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS && !LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
+ if ( ber_sockbuf_ctrl( ld->ld_sb, LBER_SB_OPT_GET_FD, NULL ) == -1 ) {
+ /* not connected yet */
+ int rc = ldap_open_defconn( ld );
-#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_DNS
- if (( LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_DNS ) == LDAP_OPT_ON )
- && ldap_is_dns_dn( dn ) )
- {
- if (( servers = dn2servers( ld, dn )) == NULL ) {
+ if( rc < 0 ) {
ber_free( ber, 1 );
return( -1 );
}
-#ifdef LDAP_DEBUG
- if ( ldap_debug & LDAP_DEBUG_TRACE ) {
- LDAPServer *srv;
+ Debug( LDAP_DEBUG_TRACE,
+ "ldap_delayed_open successful, ld_host is %s\n",
+ ( ld->ld_host == NULL ) ? "(null)" : ld->ld_host, 0, 0 );
+ }
- for ( srv = servers; srv != NULL;
- srv = srv->lsrv_next ) {
- fprintf( stderr,
- "LDAP server %s: dn %s, port %d\n",
- srv->lsrv_host, ( srv->lsrv_dn == NULL ) ?
- "(default)" : srv->lsrv_dn,
- srv->lsrv_port );
- }
- }
-#endif /* LDAP_DEBUG */
- } else {
-#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
+ {
/*
* use of DNS is turned off or this is an X.500 DN...
* use our default connection
*/
servers = NULL;
-#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_DNS
}
-#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
- return( ldap_send_server_request( ld, ber, ld->ld_msgid, NULL, servers,
- NULL, 0 ));
-#endif /* !LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS && !LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
+ rc = ldap_send_server_request( ld, ber, ld->ld_msgid, NULL,
+ servers, NULL, NULL );
+ if (servers)
+ ldap_free_urllist(servers);
+ return(rc);
}
-#if defined( LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS ) || defined( LDAP_API_FEATURE_X_OPENLDAP_V2_DNS )
int
-ldap_send_server_request( LDAP *ld, BerElement *ber, int msgid, LDAPRequest
- *parentreq, LDAPServer *srvlist, LDAPConn *lc, int bind )
+ldap_send_server_request(
+ LDAP *ld,
+ BerElement *ber,
+ ber_int_t msgid,
+ LDAPRequest *parentreq,
+ LDAPURLDesc *srvlist,
+ LDAPConn *lc,
+ LDAPreqinfo *bind )
{
LDAPRequest *lr;
int incparent;
} else {
if (( lc = find_connection( ld, srvlist, 1 )) ==
NULL ) {
- if ( bind && (parentreq != NULL) ) {
+ if ( (bind != NULL) && (parentreq != NULL) ) {
/* Remember the bind in the parent */
incparent = 1;
++parentreq->lr_outrefcnt;
}
- lc = ldap_new_connection( ld, &srvlist, 0, 1, bind );
+ lc = ldap_new_connection( ld, srvlist, 0, 1, bind );
}
- free_servers( srvlist );
}
}
}
use_connection( ld, lc );
- if (( lr = (LDAPRequest *)calloc( 1, sizeof( LDAPRequest ))) ==
+ if (( lr = (LDAPRequest *)LDAP_CALLOC( 1, sizeof( LDAPRequest ))) ==
NULL ) {
ld->ld_errno = LDAP_NO_MEMORY;
ldap_free_connection( ld, lc, 0, 0 );
return( msgid );
}
-
LDAPConn *
-ldap_new_connection( LDAP *ld, LDAPServer **srvlistp, int use_ldsb,
- int connect, int bind )
+ldap_new_connection( LDAP *ld, LDAPURLDesc *srvlist, int use_ldsb,
+ int connect, LDAPreqinfo *bind )
{
LDAPConn *lc;
- LDAPServer *prevsrv, *srv;
- Sockbuf *sb;
+ LDAPURLDesc *srv;
+ Sockbuf *sb = NULL;
+ Debug( LDAP_DEBUG_TRACE, "ldap_new_connection\n", 0, 0, 0 );
/*
* make a new LDAP server connection
* XXX open connection synchronously for now
*/
- if (( lc = (LDAPConn *)calloc( 1, sizeof( LDAPConn ))) == NULL ||
- ( !use_ldsb && ( sb = (Sockbuf *)calloc( 1, sizeof( Sockbuf )))
- == NULL )) {
+ if (( lc = (LDAPConn *)LDAP_CALLOC( 1, sizeof( LDAPConn ))) == NULL ||
+ ( !use_ldsb && ( (sb = ber_sockbuf_alloc()) == NULL ))) {
if ( lc != NULL ) {
- free( (char *)lc );
+ LDAP_FREE( (char *)lc );
}
ld->ld_errno = LDAP_NO_MEMORY;
return( NULL );
}
- lc->lconn_sb = ( use_ldsb ) ? &ld->ld_sb : sb;
+ lc->lconn_sb = ( use_ldsb ) ? ld->ld_sb : sb;
if ( connect ) {
- prevsrv = NULL;
-
- for ( srv = *srvlistp; srv != NULL; srv = srv->lsrv_next ) {
- if ( open_ldap_connection( ld, lc->lconn_sb,
- srv->lsrv_host, srv->lsrv_port,
- &lc->lconn_krbinstance, 0 ) != -1 ) {
+ for ( srv = srvlist; srv != NULL; srv = srv->lud_next ) {
+ if ( ldap_int_open_connection( ld, lc, srv, 0 ) != -1 ) {
break;
}
- prevsrv = srv;
}
if ( srv == NULL ) {
- if ( !use_ldsb ) {
- free( (char *)lc->lconn_sb );
- }
- free( (char *)lc );
+ if ( !use_ldsb ) {
+ ber_sockbuf_free( lc->lconn_sb );
+ }
+ LDAP_FREE( (char *)lc );
ld->ld_errno = LDAP_SERVER_DOWN;
return( NULL );
}
- if ( prevsrv == NULL ) {
- *srvlistp = srv->lsrv_next;
- } else {
- prevsrv->lsrv_next = srv->lsrv_next;
- }
- lc->lconn_server = srv;
+ lc->lconn_server = ldap_url_dup(srv);
}
lc->lconn_status = LDAP_CONNST_CONNECTED;
* XXX for now, we always do a synchronous bind. This will have
* to change in the long run...
*/
- if ( bind ) {
- int err, freepasswd, authmethod;
- char *binddn, *passwd;
+ if ( bind != NULL) {
+ int err = 0;
LDAPConn *savedefconn;
- freepasswd = err = 0;
-
- if ( ld->ld_rebindproc == NULL ) {
- binddn = passwd = "";
- authmethod = LDAP_AUTH_SIMPLE;
- } else {
- if (( err = (*ld->ld_rebindproc)( ld, &binddn, &passwd,
- &authmethod, 0 )) == LDAP_SUCCESS ) {
- freepasswd = 1;
+ /* Set flag to prevent additional referrals from being processed on this
+ * connection until the bind has completed
+ */
+ lc->lconn_rebind_inprogress = 1;
+ /* V3 rebind function */
+ if ( ld->ld_rebindproc != NULL) {
+ LDAPURLDesc *srvfunc;
+ if( ( srvfunc = ldap_url_dup( srvlist)) == NULL) {
+ ld->ld_errno = LDAP_NO_MEMORY;
+ err = -1;
} else {
- ld->ld_errno = err;
+ savedefconn = ld->ld_defconn;
+ ++lc->lconn_refcnt; /* avoid premature free */
+ ld->ld_defconn = lc;
+
+ Debug( LDAP_DEBUG_TRACE, "Call application rebindproc\n", 0, 0, 0);
+ err = (*ld->ld_rebindproc)( ld, bind->ri_url, bind->ri_request, bind->ri_msgid);
+
+ ld->ld_defconn = savedefconn;
+ --lc->lconn_refcnt;
+
+ if( err != 0) {
err = -1;
+ ldap_free_connection( ld, lc, 1, 0 );
+ lc = NULL;
}
+ ldap_free_urldesc( srvfunc);
}
-
-
- if ( err == 0 ) {
+ } else {
savedefconn = ld->ld_defconn;
- ld->ld_defconn = lc;
++lc->lconn_refcnt; /* avoid premature free */
+ ld->ld_defconn = lc;
- if ( ldap_bind_s( ld, binddn, passwd, authmethod ) !=
- LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_TRACE, "anonymous rebind via ldap_bind_s\n", 0, 0, 0);
+ if ( ldap_bind_s( ld, "", "", LDAP_AUTH_SIMPLE ) != LDAP_SUCCESS ) {
err = -1;
}
- --lc->lconn_refcnt;
ld->ld_defconn = savedefconn;
- }
-
- if ( freepasswd ) {
- (*ld->ld_rebindproc)( ld, &binddn, &passwd,
- &authmethod, 1 );
- }
+ --lc->lconn_refcnt;
if ( err != 0 ) {
ldap_free_connection( ld, lc, 1, 0 );
lc = NULL;
}
}
+ if( lc != NULL)
+ lc->lconn_rebind_inprogress = 0;
+ }
return( lc );
}
static LDAPConn *
-find_connection( LDAP *ld, LDAPServer *srv, int any )
+find_connection( LDAP *ld, LDAPURLDesc *srv, int any )
/*
* return an existing connection (if any) to the server srv
* if "any" is non-zero, check for any server in the "srv" chain
*/
{
LDAPConn *lc;
- LDAPServer *ls;
+ LDAPURLDesc *ls;
for ( lc = ld->ld_conns; lc != NULL; lc = lc->lconn_next ) {
- for ( ls = srv; ls != NULL; ls = ls->lsrv_next ) {
- if ( lc->lconn_server->lsrv_host != NULL &&
- ls->lsrv_host != NULL && strcasecmp(
- ls->lsrv_host, lc->lconn_server->lsrv_host ) == 0
- && ls->lsrv_port == lc->lconn_server->lsrv_port ) {
+ for ( ls = srv; ls != NULL; ls = ls->lud_next ) {
+ if ( lc->lconn_server->lud_host != NULL &&
+ ls->lud_host != NULL && strcasecmp(
+ ls->lud_host, lc->lconn_server->lud_host ) == 0
+ && ls->lud_port == lc->lconn_server->lud_port ) {
return( lc );
}
if ( !any ) {
use_connection( LDAP *ld, LDAPConn *lc )
{
++lc->lconn_refcnt;
- lc->lconn_lastused = time( 0 );
+ lc->lconn_lastused = time( NULL );
}
if ( lc->lconn_status == LDAP_CONNST_CONNECTED ) {
ldap_mark_select_clear( ld, lc->lconn_sb );
if ( unbind ) {
- ldap_send_unbind( ld, lc->lconn_sb );
- }
- ldap_close_connection( lc->lconn_sb );
- if ( lc->lconn_sb->sb_ber.ber_buf != NULL ) {
- free( lc->lconn_sb->sb_ber.ber_buf );
+ ldap_send_unbind( ld, lc->lconn_sb, NULL, NULL );
}
}
+
+ if( lc->lconn_ber != NULL ) {
+ ber_free( lc->lconn_ber, 1 );
+ }
+
+ ldap_int_sasl_close( ld, lc );
+
prevlc = NULL;
for ( tmplc = ld->ld_conns; tmplc != NULL;
tmplc = tmplc->lconn_next ) {
}
prevlc = tmplc;
}
- free_servers( lc->lconn_server );
+ ldap_free_urllist( lc->lconn_server );
+#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
if ( lc->lconn_krbinstance != NULL ) {
- free( lc->lconn_krbinstance );
+ LDAP_FREE( lc->lconn_krbinstance );
}
- if ( lc->lconn_sb != &ld->ld_sb ) {
- free( (char *)lc->lconn_sb );
+#endif
+ if ( lc->lconn_sb != ld->ld_sb ) {
+ ber_sockbuf_free( lc->lconn_sb );
}
- free( lc );
+ if( lc->lconn_rebind_queue != NULL) {
+ int i;
+ for( i = 0; lc->lconn_rebind_queue[i] != NULL; i++) {
+ LDAP_VFREE(lc->lconn_rebind_queue[i]);
+ }
+ LDAP_FREE( lc->lconn_rebind_queue);
+ }
+ LDAP_FREE( lc );
Debug( LDAP_DEBUG_TRACE, "ldap_free_connection: actually freed\n",
0, 0, 0 );
} else {
- lc->lconn_lastused = time( 0 );
+ lc->lconn_lastused = time( NULL );
Debug( LDAP_DEBUG_TRACE, "ldap_free_connection: refcnt %d\n",
lc->lconn_refcnt, 0, 0 );
}
for ( lc = lconns; lc != NULL; lc = lc->lconn_next ) {
if ( lc->lconn_server != NULL ) {
fprintf( stderr, "* host: %s port: %d%s\n",
- ( lc->lconn_server->lsrv_host == NULL ) ? "(null)"
- : lc->lconn_server->lsrv_host,
- lc->lconn_server->lsrv_port, ( lc->lconn_sb ==
- &ld->ld_sb ) ? " (default)" : "" );
+ ( lc->lconn_server->lud_host == NULL ) ? "(null)"
+ : lc->lconn_server->lud_host,
+ lc->lconn_server->lud_port, ( lc->lconn_sb ==
+ ld->ld_sb ) ? " (default)" : "" );
}
fprintf( stderr, " refcnt: %d status: %s\n", lc->lconn_refcnt,
( lc->lconn_status == LDAP_CONNST_NEEDSOCKET ) ?
"NeedSocket" : ( lc->lconn_status ==
LDAP_CONNST_CONNECTING ) ? "Connecting" : "Connected" );
- fprintf( stderr, " last used: %s\n",
- ldap_int_ctime( &lc->lconn_lastused, timebuf ));
+ fprintf( stderr, " last used: %s",
+ ldap_pvt_ctime( &lc->lconn_lastused, timebuf ));
+ if( lc->lconn_rebind_inprogress ) {
+ fprintf( stderr, " rebind in progress\n");
+ if( lc->lconn_rebind_queue != NULL) {
+ int i = 0;
+ for( ;lc->lconn_rebind_queue[i] != NULL; i++) {
+ int j = 0;
+ for( ;lc->lconn_rebind_queue[i][j] != 0; j++) {
+ fprintf( stderr, " queue %d entry %d - %s\n",
+ i, j, lc->lconn_rebind_queue[i][j]);
+ }
+ }
+ } else {
+ fprintf( stderr, " queue is empty\n");
+ }
+ }
+ fprintf(stderr, "\n");
if ( !all ) {
break;
}
}
for ( ; lr != NULL; lr = lr->lr_next ) {
fprintf( stderr, " * msgid %d, origid %d, status %s\n",
- lr->lr_msgid, lr->lr_origid, ( lr->lr_status ==
- LDAP_REQST_INPROGRESS ) ? "InProgress" :
+ lr->lr_msgid, lr->lr_origid,
+ ( lr->lr_status == LDAP_REQST_INPROGRESS ) ? "InProgress" :
( lr->lr_status == LDAP_REQST_CHASINGREFS ) ? "ChasingRefs" :
( lr->lr_status == LDAP_REQST_NOTCONNECTED ) ? "NotConnected" :
- "Writing" );
+ ( lr->lr_status == LDAP_REQST_WRITING) ? "Writing" :
+ ( lr->lr_status == LDAP_REQST_COMPLETED ? "Request Completed" : "Invalid Status"));
fprintf( stderr, " outstanding referrals %d, parent count %d\n",
lr->lr_outrefcnt, lr->lr_parentcnt );
}
fprintf( stderr, "** Response Queue:\n" );
- if (( lm = ld->ld_responses ) == NULLMSG ) {
+ if (( lm = ld->ld_responses ) == NULL ) {
fprintf( stderr, " Empty\n" );
}
- for ( ; lm != NULLMSG; lm = lm->lm_next ) {
- fprintf( stderr, " * msgid %d, type %d\n",
- lm->lm_msgid, lm->lm_msgtype );
+ for ( ; lm != NULL; lm = lm->lm_next ) {
+ fprintf( stderr, " * msgid %d, type %lu\n",
+ lm->lm_msgid, (unsigned long) lm->lm_msgtype );
if (( l = lm->lm_chain ) != NULL ) {
fprintf( stderr, " chained responses:\n" );
- for ( ; l != NULLMSG; l = l->lm_chain ) {
+ for ( ; l != NULL; l = l->lm_chain ) {
fprintf( stderr,
- " * msgid %d, type %d\n",
- l->lm_msgid, l->lm_msgtype );
+ " * msgid %d, type %lu\n",
+ l->lm_msgid,
+ (unsigned long) l->lm_msgtype );
}
}
}
}
if ( lr->lr_res_error != NULL ) {
- free( lr->lr_res_error );
+ LDAP_FREE( lr->lr_res_error );
}
if ( lr->lr_res_matched != NULL ) {
- free( lr->lr_res_matched );
+ LDAP_FREE( lr->lr_res_matched );
}
- free( lr );
+ LDAP_FREE( lr );
}
-
-static void
-free_servers( LDAPServer *srvlist )
+/*
+ * Chase v3 referrals
+ *
+ * Parameters:
+ * (IN) ld = LDAP connection handle
+ * (IN) lr = LDAP Request structure
+ * (IN) refs = array of pointers to referral strings that we will chase
+ * The array will be free'd by this function when no longer needed
+ * (OUT) errstrp = Place to return a string of referrals which could not be followed
+ * (OUT) hadrefp = 1 if sucessfully followed referral
+ *
+ * Return value - number of referrals followed
+ */
+int
+ldap_chase_v3referrals( LDAP *ld, LDAPRequest *lr, char **refs, char **errstrp, int *hadrefp )
{
- LDAPServer *nextsrv;
+ char *unfollowed;
+ int unfollowedcnt = 0;
+ LDAPRequest *origreq;
+ LDAPURLDesc *srv = NULL;
+ BerElement *ber;
+ char **refarray = NULL;
+ LDAPConn *lc;
+ int rc, count, i, j;
+ LDAPreqinfo rinfo;
- while ( srvlist != NULL ) {
- nextsrv = srvlist->lsrv_next;
- if ( srvlist->lsrv_dn != NULL ) {
- free( srvlist->lsrv_dn );
+ ld->ld_errno = LDAP_SUCCESS; /* optimistic */
+ *hadrefp = 0;
+
+ Debug( LDAP_DEBUG_TRACE, "ldap_chase_v3referrals\n", 0, 0, 0 );
+
+ unfollowed = NULL;
+ rc = count = 0;
+
+ /* If no referrals in array, return */
+ if ( (refs == NULL) || ( (refs)[0] == NULL) ) {
+ rc = 0;
+ goto done;
}
- if ( srvlist->lsrv_host != NULL ) {
- free( srvlist->lsrv_host );
+
+ /* Check for hop limit exceeded */
+ if ( lr->lr_parentcnt >= ld->ld_refhoplimit ) {
+ Debug( LDAP_DEBUG_ANY,
+ "more than %d referral hops (dropping)\n", ld->ld_refhoplimit, 0, 0 );
+ ld->ld_errno = LDAP_REFERRAL_LIMIT_EXCEEDED;
+ rc = -1;
+ goto done;
}
- free( srvlist );
- srvlist = nextsrv;
- }
-}
-#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS || LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
+ /* find original request */
+ for ( origreq = lr; origreq->lr_parent != NULL; origreq = origreq->lr_parent ) {
+ ;
+ }
+
+ refarray = refs;
+ refs = NULL;
+ /* parse out & follow referrals */
+ for( i=0; refarray[i] != NULL; i++) {
+ /* Parse the referral URL */
+ if (( rc = ldap_url_parse( refarray[i], &srv)) != LDAP_SUCCESS) {
+ ld->ld_errno = rc;
+ rc = -1;
+ goto done;
+ }
+
+ /* treat ldap://hostpart and ldap://hostpart/ the same */
+ if ( srv->lud_dn && srv->lud_dn[0] == '\0' ) {
+ LDAP_FREE( srv->lud_dn );
+ srv->lud_dn = NULL;
+ }
+
+ /* check connection for re-bind in progress */
+ if (( lc = find_connection( ld, srv, 1 )) != NULL ) {
+ if( lc->lconn_rebind_inprogress) {
+ /* We are already chasing a referral or search reference and a
+ * bind on that connection is in progress. We must queue
+ * referrals on that connection, so we don't get a request
+ * going out before the bind operation completes. This happens
+ * if two search references come in one behind the other
+ * for the same server with different contexts.
+ */
+ Debug( LDAP_DEBUG_TRACE, "ldap_chase_v3referrals: queue referral \"%s\"\n",
+ refarray[i], 0, 0);
+ if( lc->lconn_rebind_queue == NULL ) {
+ /* Create a referral list */
+ if( (lc->lconn_rebind_queue = (char ***)LDAP_MALLOC( sizeof(void *) * 2)) == NULL) {
+ ld->ld_errno = LDAP_NO_MEMORY;
+ rc = -1;
+ goto done;
+ }
+ lc->lconn_rebind_queue[0] = refarray;
+ lc->lconn_rebind_queue[1] = NULL;
+ refarray = NULL;
+ } else {
+ /* Count how many referral arrays we already have */
+ for( j = 0; lc->lconn_rebind_queue[j] != NULL; j++) {
+ ;
+ }
+ /* Add the new referral to the list */
+ if( (lc->lconn_rebind_queue = (char ***)LDAP_REALLOC(
+ lc->lconn_rebind_queue, sizeof(void *) * (j + 2))) == NULL) {
+ ld->ld_errno = LDAP_NO_MEMORY;
+ rc = -1;
+ goto done;
+ }
+ lc->lconn_rebind_queue[j] = refarray;
+ lc->lconn_rebind_queue[j+1] = NULL;
+ refarray = NULL;
+ }
+ /* We have queued the referral/reference, now just return */
+ rc = 0;
+ *hadrefp = 1;
+ count = 1; /* Pretend we already followed referral */
+ goto done;
+ }
+ }
+ /* Re-encode the request with the new starting point of the search.
+ * Note: In the future we also need to replace the filter if one
+ * was provided with the search reference
+ */
+ if (( ber = re_encode_request( ld, origreq->lr_ber,
+ ++ld->ld_msgid, &srv->lud_dn, &rinfo.ri_request )) == NULL ) {
+ ld->ld_errno = LDAP_ENCODING_ERROR;
+ rc = -1;
+ goto done;
+ }
+
+ Debug( LDAP_DEBUG_TRACE, "ldap_chase_v3referral: msgid %d, url \"%s\"\n",
+ lr->lr_msgid, refarray[i], 0);
+
+ /* Send the new request to the server - may require a bind */
+ rinfo.ri_msgid = origreq->lr_origid;
+ rinfo.ri_url = refarray[i];
+ if ( (rc = ldap_send_server_request( ld, ber, ld->ld_msgid,
+ origreq, srv, NULL, &rinfo )) < 0 ) {
+ /* Failure, try next referral in the list */
+ Debug( LDAP_DEBUG_ANY, "Unable to chase referral \"%s\" (%s)\n",
+ refarray[i], ldap_err2string( ld->ld_errno ), 0);
+ unfollowedcnt += ldap_append_referral( ld, &unfollowed, refarray[i]);
+ ldap_free_urllist(srv);
+ srv = NULL;
+ } else {
+ /* Success, no need to try this referral list further */
+ rc = 0;
+ ++count;
+ *hadrefp = 1;
+
+ /* check if there is a queue of referrals that came in during bind */
+ if( lc == NULL) {
+ if (( lc = find_connection( ld, srv, 1 )) == NULL ) {
+ ld->ld_errno = LDAP_OPERATIONS_ERROR;
+ rc = -1;
+ goto done;
+ }
+ }
+
+ if( lc->lconn_rebind_queue != NULL) {
+ /* Release resources of previous list */
+ LDAP_VFREE(refarray);
+ refarray = NULL;
+ ldap_free_urllist(srv);
+ srv = NULL;
+
+ /* Pull entries off end of queue so list always null terminated */
+ for( j = 0; lc->lconn_rebind_queue[j] != NULL; j++) {
+ ;
+ }
+ refarray = lc->lconn_rebind_queue[j-1];
+ lc->lconn_rebind_queue[j-1] = NULL;
+ /* we pulled off last entry from queue, free queue */
+ if ( j == 1 ) {
+ LDAP_FREE( lc->lconn_rebind_queue);
+ lc->lconn_rebind_queue = NULL;
+ }
+ /* restart the loop the with new referral list */
+ i = -1;
+ continue;
+ }
+ break; /* referral followed, break out of for loop */
+ }
+ } /* end for loop */
+done:
+ LDAP_VFREE(refarray);
+ ldap_free_urllist(srv);
+ LDAP_FREE( *errstrp );
+
+ if( rc == 0) {
+ *errstrp = NULL;
+ LDAP_FREE( unfollowed );
+ return count;
+ } else {
+ ld->ld_errno = LDAP_REFERRAL;
+ *errstrp = unfollowed;
+ return rc;
+ }
+}
-#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS
/*
* XXX merging of errors in this routine needs to be improved
*/
ldap_chase_referrals( LDAP *ld, LDAPRequest *lr, char **errstrp, int *hadrefp )
{
int rc, count, len, newdn;
-#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_DNS
- int ldapref;
-#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
char *p, *ports, *ref, *tmpref, *refdn, *unfollowed;
LDAPRequest *origreq;
- LDAPServer *srv;
+ LDAPURLDesc *srv;
BerElement *ber;
+ LDAPreqinfo rinfo;
Debug( LDAP_DEBUG_TRACE, "ldap_chase_referrals\n", 0, 0, 0 );
/* parse out & follow referrals */
for ( ref = p; rc == 0 && ref != NULL; ref = p ) {
-#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_DNS
- ldapref = 0;
-#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
if (( p = strchr( ref, '\n' )) != NULL ) {
*p++ = '\0';
p = NULL;
}
+ ldap_pvt_hex_unescape( ref );
len = strlen( ref );
+
+ /* FIXME: we should use the URL Parser */
+
if ( len > LDAP_LDAP_REF_STR_LEN && strncasecmp( ref,
LDAP_LDAP_REF_STR, LDAP_LDAP_REF_STR_LEN ) == 0 ) {
Debug( LDAP_DEBUG_TRACE,
"chasing LDAP referral: <%s>\n", ref, 0, 0 );
-#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_DNS
- ldapref = 1;
-#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
tmpref = ref + LDAP_LDAP_REF_STR_LEN;
-#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_DNS
- } else if ( len > LDAP_DX_REF_STR_LEN && strncasecmp( ref,
- LDAP_DX_REF_STR, LDAP_DX_REF_STR_LEN ) == 0 ) {
- Debug( LDAP_DEBUG_TRACE,
- "chasing DX referral: <%s>\n", ref, 0, 0 );
- tmpref = ref + LDAP_DX_REF_STR_LEN;
-#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
} else {
Debug( LDAP_DEBUG_TRACE,
"ignoring unknown referral <%s>\n", ref, 0, 0 );
continue;
}
+ /* copy the complete referral for rebind process */
+ rinfo.ri_url = LDAP_STRDUP( ref );
+
*hadrefp = 1;
+
if (( refdn = strchr( tmpref, '/' )) != NULL ) {
*refdn++ = '\0';
- newdn = 1;
+ newdn = refdn[0] != '?' && refdn[0] != '\0';
+ if( !newdn ) refdn = NULL;
} else {
newdn = 0;
}
if (( ber = re_encode_request( ld, origreq->lr_ber,
- ++ld->ld_msgid, &refdn )) == NULL ) {
+ ++ld->ld_msgid, &refdn, &rinfo.ri_request )) == NULL ) {
return( -1 );
}
-#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_DNS
- if ( ldapref ) {
-#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
- if (( srv = (LDAPServer *)calloc( 1,
- sizeof( LDAPServer ))) == NULL ) {
+ if (( srv = (LDAPURLDesc *)LDAP_CALLOC( 1,
+ sizeof( LDAPURLDesc ))) == NULL ) {
ber_free( ber, 1 );
ld->ld_errno = LDAP_NO_MEMORY;
return( -1 );
}
- if (( srv->lsrv_host = ldap_strdup( tmpref )) == NULL ) {
- free( (char *)srv );
+ if (( srv->lud_scheme = LDAP_STRDUP("ldap")) == NULL ) {
+ LDAP_FREE( (char *)srv );
ber_free( ber, 1 );
ld->ld_errno = LDAP_NO_MEMORY;
return( -1 );
}
- if (( ports = strchr( srv->lsrv_host, ':' )) != NULL ) {
+ if (( srv->lud_host = LDAP_STRDUP( tmpref )) == NULL ) {
+ LDAP_FREE( (char *)srv );
+ ber_free( ber, 1 );
+ ld->ld_errno = LDAP_NO_MEMORY;
+ return( -1 );
+ }
+
+ if (( ports = strchr( srv->lud_host, ':' )) != NULL ) {
*ports++ = '\0';
- srv->lsrv_port = atoi( ports );
+ srv->lud_port = atoi( ports );
} else {
- srv->lsrv_port = openldap_ldap_global_options.ldo_defport;
+ srv->lud_port = (LDAP_INT_GLOBAL_OPT())->ldo_defport;
}
-#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_DNS
- } else {
- srv = dn2servers( ld, tmpref );
- }
-#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
+ rinfo.ri_msgid = origreq->lr_origid;
if ( srv != NULL && ldap_send_server_request( ld, ber, ld->ld_msgid,
- lr, srv, NULL, 1 ) >= 0 ) {
+ lr, srv, NULL, &rinfo ) >= 0 ) {
++count;
} else {
Debug( LDAP_DEBUG_ANY,
ldap_err2string( ld->ld_errno ), 0, 0 );
rc = ldap_append_referral( ld, &unfollowed, ref );
}
+ LDAP_FREE( rinfo.ri_url);
+
+ if (srv != NULL)
+ ldap_free_urllist(srv);
if ( !newdn && refdn != NULL ) {
- free( refdn );
+ LDAP_FREE( refdn );
}
}
- free( *errstrp );
+ LDAP_FREE( *errstrp );
*errstrp = unfollowed;
return(( rc == 0 ) ? count : rc );
if ( *referralsp == NULL ) {
first = 1;
- *referralsp = (char *)malloc( strlen( s ) + LDAP_REF_STR_LEN
+ *referralsp = (char *)LDAP_MALLOC( strlen( s ) + LDAP_REF_STR_LEN
+ 1 );
} else {
first = 0;
- *referralsp = (char *)realloc( *referralsp,
+ *referralsp = (char *)LDAP_REALLOC( *referralsp,
strlen( *referralsp ) + strlen( s ) + 2 );
}
static BerElement *
-re_encode_request( LDAP *ld, BerElement *origber, int msgid, char **dnp )
+re_encode_request( LDAP *ld, BerElement *origber, ber_int_t msgid, char **dnp, int *type )
{
/*
* XXX this routine knows way too much about how the lber library works!
*/
- unsigned long along, tag;
- long ver;
+ ber_int_t along;
+ ber_tag_t tag;
+ ber_int_t ver;
int rc;
BerElement tmpber, *ber;
char *orig_dn;
Debug( LDAP_DEBUG_TRACE,
- "re_encode_request: new msgid %d, new dn <%s>\n",
- msgid, ( *dnp == NULL ) ? "NONE" : *dnp, 0 );
+ "re_encode_request: new msgid %ld, new dn <%s>\n",
+ (long) msgid, ( *dnp == NULL ) ? "NONE" : *dnp, 0 );
tmpber = *origber;
/*
- * all LDAP requests are sequences that start with a message id,
- * followed by a sequence that is tagged with the operation code
+ * all LDAP requests are sequences that start with a message id.
+ * For all except delete, this is followed by a sequence that is
+ * tagged with the operation code. For delete, the provided DN
+ * is not wrapped by a sequence.
*/
- if ( ber_scanf( &tmpber, "{i", &along ) != LDAP_TAG_MSGID ||
- ( tag = ber_skip_tag( &tmpber, &along )) == LBER_DEFAULT ) {
- ld->ld_errno = LDAP_DECODING_ERROR;
+ rc = ber_scanf( &tmpber, "{it", /*}*/ &along, &tag );
+
+ if ( rc == LBER_ERROR ) {
+ ld->ld_errno = LDAP_DECODING_ERROR;
return( NULL );
}
- if (( ber = ldap_alloc_ber_with_options( ld )) == NULLBER ) {
- return( NULL );
- }
+ assert( tag != 0);
+ if ( tag == LDAP_REQ_BIND ) {
+ /* bind requests have a version number before the DN & other stuff */
+ rc = ber_scanf( &tmpber, "{ia" /*}*/, &ver, &orig_dn );
- /* bind requests have a version number before the DN & other stuff */
- if ( tag == LDAP_REQ_BIND && ber_get_int( &tmpber, (long *)&ver ) ==
- LBER_DEFAULT ) {
- ld->ld_errno = LDAP_DECODING_ERROR;
- ber_free( ber, 1 );
- return( NULL );
+ } else if ( tag == LDAP_REQ_DELETE ) {
+ /* delete requests don't have a DN wrapping sequence */
+ rc = ber_scanf( &tmpber, "a", &orig_dn );
+
+ } else {
+ rc = ber_scanf( &tmpber, "{a" /*}*/, &orig_dn );
}
- /* the rest of the request is the DN followed by other stuff */
- if ( ber_get_stringa( &tmpber, &orig_dn ) == LBER_DEFAULT ) {
- ber_free( ber, 1 );
- return( NULL );
+ if( rc == LBER_ERROR ) {
+ ld->ld_errno = LDAP_DECODING_ERROR;
+ return NULL;
}
if ( *dnp == NULL ) {
*dnp = orig_dn;
} else {
- free( orig_dn );
+ LDAP_FREE( orig_dn );
+ }
+
+ if (( ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
+ return( NULL );
}
if ( tag == LDAP_REQ_BIND ) {
- rc = ber_printf( ber, "{it{is", msgid, tag, ver, *dnp );
+ rc = ber_printf( ber, "{it{is" /*}}*/, msgid, tag, ver, *dnp );
+ } else if ( tag == LDAP_REQ_DELETE ) {
+ rc = ber_printf( ber, "{itsN}", msgid, tag, *dnp );
} else {
- rc = ber_printf( ber, "{it{s", msgid, tag, *dnp );
+ rc = ber_printf( ber, "{it{s" /*}}*/, msgid, tag, *dnp );
}
if ( rc == -1 ) {
+ ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( NULL );
}
- if ( ber_write( ber, tmpber.ber_ptr, ( tmpber.ber_end -
- tmpber.ber_ptr ), 0 ) != ( tmpber.ber_end - tmpber.ber_ptr ) ||
- ber_printf( ber, "}}" ) == -1 ) {
+ if ( tag != LDAP_REQ_DELETE && (
+ ber_write(ber, tmpber.ber_ptr, ( tmpber.ber_end - tmpber.ber_ptr ), 0)
+ != ( tmpber.ber_end - tmpber.ber_ptr ) ||
+ ber_printf( ber, /*{{*/ "N}N}" ) == -1 ) )
+ {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( NULL );
if ( ldap_debug & LDAP_DEBUG_PACKETS ) {
Debug( LDAP_DEBUG_ANY, "re_encode_request new request is:\n",
0, 0, 0 );
- ber_dump( ber, 0 );
+ ber_log_dump( LDAP_DEBUG_BER, ldap_debug, ber, 0 );
}
#endif /* LDAP_DEBUG */
+ *type = tag; /* return request type */
return( ber );
}
LDAPRequest *
-ldap_find_request_by_msgid( LDAP *ld, int msgid )
+ldap_find_request_by_msgid( LDAP *ld, ber_int_t msgid )
{
LDAPRequest *lr;
for ( lr = ld->ld_requests; lr != NULL; lr = lr->lr_next ) {
+ if( lr->lr_status == LDAP_REQST_COMPLETED ) {
+ continue; /* Skip completed requests */
+ }
if ( msgid == lr->lr_msgid ) {
break;
}
return( lr );
}
-#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS */
-
-
-#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_DNS
-static LDAPServer *
-dn2servers( LDAP *ld, char *dn ) /* dn can also be a domain.... */
-{
- char *p, *domain, *host, *server_dn, **dxs;
- int i, port;
- LDAPServer *srvlist, *prevsrv, *srv;
-
- if (( domain = strrchr( dn, '@' )) != NULL ) {
- ++domain;
- } else {
- domain = dn;
- }
- if (( dxs = ldap_getdxbyname( domain )) == NULL ) {
- ld->ld_errno = LDAP_NO_MEMORY;
- return( NULL );
- }
- srvlist = NULL;
-
- for ( i = 0; dxs[ i ] != NULL; ++i ) {
- port = openldap_ldap_global_options.ldo_defport;
- server_dn = NULL;
- if ( strchr( dxs[ i ], ':' ) == NULL ) {
- host = dxs[ i ];
- } else if ( strlen( dxs[ i ] ) >= 7 &&
- strncmp( dxs[ i ], "ldap://", 7 ) == 0 ) {
- host = dxs[ i ] + 7;
- if (( p = strchr( host, ':' )) == NULL ) {
- p = host;
- } else {
- *p++ = '\0';
- port = atoi( p );
- }
- if (( p = strchr( p, '/' )) != NULL ) {
- server_dn = ++p;
- if ( *server_dn == '\0' ) {
- server_dn = NULL;
- }
- }
- } else {
- host = NULL;
- }
-
- if ( host != NULL ) { /* found a server we can use */
- if (( srv = (LDAPServer *)calloc( 1,
- sizeof( LDAPServer ))) == NULL ) {
- free_servers( srvlist );
- srvlist = NULL;
- break; /* exit loop & return */
- }
-
- /* add to end of list of servers */
- if ( srvlist == NULL ) {
- srvlist = srv;
- } else {
- prevsrv->lsrv_next = srv;
- }
- prevsrv = srv;
-
- /* copy in info. */
- if (( srv->lsrv_host = ldap_strdup( host )) == NULL ||
- ( server_dn != NULL && ( srv->lsrv_dn =
- ldap_strdup( server_dn )) == NULL )) {
- free_servers( srvlist );
- srvlist = NULL;
- break; /* exit loop & return */
- }
- srv->lsrv_port = port;
- }
- }
-
- ldap_value_free( dxs );
-
- if ( srvlist == NULL ) {
- ld->ld_errno = LDAP_SERVER_DOWN;
- }
-
- return( srvlist );
-}
-#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
projects / openldap / blobdiff