-/*
- * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
- *
- * Copyright 2001, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
- *
- * This work has been developed to fulfill the requirements
- * of SysNet s.n.c. <http:www.sys-net.it> and it has been donated
- * to the OpenLDAP Foundation in the hope that it may be useful
- * to the Open Source community, but WITHOUT ANY WARRANTY.
- *
- * Permission is granted to anyone to use this software for any purpose
- * on any computer system, and to alter it and redistribute it, subject
- * to the following restrictions:
- *
- * 1. The author and SysNet s.n.c. are not responsible for the consequences
- * of use of this software, no matter how awful, even if they arise from
- * flaws in it.
- *
- * 2. The origin of this software must not be misrepresented, either by
- * explicit claim or by omission. Since few users ever read sources,
- * credits should appear in the documentation.
- *
- * 3. Altered versions must be plainly marked as such, and must not be
- * misrepresented as being the original software. Since few users
- * ever read sources, credits should appear in the documentation.
- * SysNet s.n.c. cannot be responsible for the consequences of the
- * alterations.
- *
- * 4. This notice may not be removed or altered.
- *
- *
- * This software is based on the backend back-ldap, implemented
- * by Howard Chu <hyc@highlandsun.com>, and modified by Mark Valence
- * <kurash@sassafras.com>, Pierangelo Masarati <ando@sys-net.it> and other
- * contributors. The contribution of the original software to the present
- * implementation is acknowledged in this copyright statement.
- *
- * A special acknowledgement goes to Howard for the overall architecture
- * (and for borrowing large pieces of code), and to Mark, who implemented
- * from scratch the attribute/objectclass mapping.
- *
- * The original copyright statement follows.
- *
- * Copyright 1999, Howard Chu, All rights reserved. <hyc@highlandsun.com>
- *
- * Permission is granted to anyone to use this software for any purpose
- * on any computer system, and to alter it and redistribute it, subject
- * to the following restrictions:
- *
- * 1. The author is not responsible for the consequences of use of this
- * software, no matter how awful, even if they arise from flaws in it.
- *
- * 2. The origin of this software must not be misrepresented, either by
- * explicit claim or by omission. Since few users ever read sources,
- * credits should appear in the documentation.
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * 3. Altered versions must be plainly marked as such, and must not be
- * misrepresented as being the original software. Since few users
- * ever read sources, credits should appear in the
- * documentation.
+ * Copyright 1999-2004 The OpenLDAP Foundation.
+ * Portions Copyright 2001-2003 Pierangelo Masarati.
+ * Portions Copyright 1999-2003 Howard Chu.
+ * All rights reserved.
*
- * 4. This notice may not be removed or altered.
+ * 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
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was initially developed by the Howard Chu for inclusion
+ * in OpenLDAP Software and subsequently enhanced by Pierangelo
+ * Masarati.
*/
#include "portable.h"
#include "../back-ldap/back-ldap.h"
#include "back-meta.h"
+static LDAP_REBIND_PROC meta_back_rebind;
+
+static int
+meta_back_do_single_bind(
+ struct metaconn *lc,
+ Operation *op,
+ SlapReply *rs,
+ int candidate
+);
+
int
-meta_back_bind(
- Backend *be,
- Connection *conn,
- Operation *op,
- struct berval *dn,
- struct berval *ndn,
- int method,
- struct berval *cred,
- struct berval *edn
-)
+meta_back_bind( Operation *op, SlapReply *rs )
{
- struct metainfo *li = ( struct metainfo * )be->be_private;
+ struct metainfo *li = ( struct metainfo * )op->o_bd->be_private;
struct metaconn *lc;
int rc = -1, i, gotit = 0, ndnlen, isroot = 0;
int op_type = META_OP_ALLOW_MULTIPLE;
- int err = LDAP_SUCCESS;
- struct berval *realdn = dn;
- struct berval *realndn = ndn;
- struct berval *realcred = cred;
- int realmethod = method;
+ rs->sr_err = LDAP_SUCCESS;
#ifdef NEW_LOGGING
- LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
- "meta_back_bind: dn: %s.\n", dn->bv_val ));
+ LDAP_LOG( BACK_META, ENTRY, "meta_back_bind: dn: %s.\n",
+ op->o_req_dn.bv_val, 0, 0 );
#else /* !NEW_LOGGING */
- Debug( LDAP_DEBUG_ARGS, "meta_back_bind: dn: %s.\n%s%s", dn->bv_val, "", "" );
+ Debug( LDAP_DEBUG_ARGS, "meta_back_bind: dn: %s.\n%s%s",
+ op->o_req_dn.bv_val, "", "" );
#endif /* !NEW_LOGGING */
- if ( method == LDAP_AUTH_SIMPLE
- && be_isroot_pw( be, conn, ndn, cred ) ) {
+ if ( op->oq_bind.rb_method == LDAP_AUTH_SIMPLE && be_isroot_pw( op ) ) {
isroot = 1;
- ber_dupbv( edn, be_root_dn( be ) );
+ ber_dupbv( &op->oq_bind.rb_edn, be_root_dn( op->o_bd ) );
op_type = META_OP_REQUIRE_ALL;
}
- lc = meta_back_getconn( li, conn, op, op_type, ndn, NULL );
+ lc = meta_back_getconn( op, rs, op_type,
+ &op->o_req_ndn, NULL );
if ( !lc ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "backend", LDAP_LEVEL_NOTICE,
+ LDAP_LOG( BACK_META, NOTICE,
"meta_back_bind: no target for dn %s.\n",
- dn->bv_val ));
+ op->o_req_dn.bv_val, 0, 0 );
#else /* !NEW_LOGGING */
Debug( LDAP_DEBUG_ANY,
"meta_back_bind: no target for dn %s.\n%s%s",
- dn->bv_val, "", "");
+ op->o_req_dn.bv_val, "", "");
#endif /* !NEW_LOGGING */
- send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
- NULL, NULL, NULL, NULL );
+
+ send_ldap_result( op, rs );
return -1;
}
* Each target is scanned ...
*/
lc->bound_target = META_BOUND_NONE;
- ndnlen = ndn->bv_len;
+ ndnlen = op->o_req_ndn.bv_len;
for ( i = 0; i < li->ntargets; i++ ) {
- int lerr;
+ int lerr;
+ struct berval orig_dn = op->o_req_dn;
+ struct berval orig_ndn = op->o_req_ndn;
+ struct berval orig_cred = op->oq_bind.rb_cred;
+ int orig_method = op->oq_bind.rb_method;
+
/*
* Skip non-candidates
*/
- if ( lc->conns[ i ]->candidate != META_CANDIDATE ) {
+ if ( lc->conns[ i ].candidate != META_CANDIDATE ) {
continue;
}
* ONE CANDIDATE ONLY!
*/
#ifdef NEW_LOGGING
- LDAP_LOG(( "backend", LDAP_LEVEL_WARNING,
+ LDAP_LOG( BACK_META, WARNING,
"==>meta_back_bind: more than one"
" candidate is attempting to bind"
- " ...\n" ));
+ " ...\n" , 0, 0, 0 );
#else /* !NEW_LOGGING */
Debug( LDAP_DEBUG_ANY,
"==>meta_back_bind: more than one"
}
if ( isroot && li->targets[ i ]->pseudorootdn.bv_val != NULL ) {
- realdn = &li->targets[ i ]->pseudorootdn;
- realndn = &li->targets[ i ]->pseudorootdn;
- realcred = &li->targets[ i ]->pseudorootpw;
- realmethod = LDAP_AUTH_SIMPLE;
- } else {
- realdn = dn;
- realndn = ndn;
- realcred = cred;
- realmethod = method;
+ op->o_req_dn = li->targets[ i ]->pseudorootdn;
+ op->o_req_ndn = li->targets[ i ]->pseudorootdn;
+ op->oq_bind.rb_cred = li->targets[ i ]->pseudorootpw;
+ op->oq_bind.rb_method = LDAP_AUTH_SIMPLE;
}
- lerr = meta_back_do_single_bind( li, lc,
- realdn, realndn, realcred, realmethod, i );
+ lerr = meta_back_do_single_bind( lc, op, rs, i );
if ( lerr != LDAP_SUCCESS ) {
- err = lerr;
- ( void )meta_clear_one_candidate( lc->conns[ i ], 1 );
+ rs->sr_err = lerr;
+ ( void )meta_clear_one_candidate( &lc->conns[ i ], 1 );
} else {
rc = LDAP_SUCCESS;
}
+
+ op->o_req_dn = orig_dn;
+ op->o_req_ndn = orig_ndn;
+ op->oq_bind.rb_cred = orig_cred;
+ op->oq_bind.rb_method = orig_method;
}
if ( isroot ) {
* err is the last error that occurred during a bind;
* if at least (and at most?) one bind succeedes, fine.
*/
- if ( rc != LDAP_SUCCESS /* && err != LDAP_SUCCESS */ ) {
+ if ( rc != LDAP_SUCCESS /* && rs->sr_err != LDAP_SUCCESS */ ) {
/*
* deal with bind failure ...
* no target was found within the naming context,
* so bind must fail with invalid credentials
*/
- if ( err == LDAP_SUCCESS && gotit == 0 ) {
- err = LDAP_INVALID_CREDENTIALS;
+ if ( rs->sr_err == LDAP_SUCCESS && gotit == 0 ) {
+ rs->sr_err = LDAP_INVALID_CREDENTIALS;
}
- err = ldap_back_map_result( err );
- send_ldap_result( conn, op, err, NULL, NULL, NULL, NULL );
+ rs->sr_err = slap_map_api2result( rs );
+ send_ldap_result( op, rs );
return -1;
}
*
* attempts to perform a bind with creds
*/
-int
+static int
meta_back_do_single_bind(
- struct metainfo *li,
struct metaconn *lc,
- struct berval *dn,
- struct berval *ndn,
- struct berval *cred,
- int method,
+ Operation *op,
+ SlapReply *rs,
int candidate
)
{
- struct berval mdn = { 0, NULL };
- int rc;
+ struct metainfo *li = ( struct metainfo * )op->o_bd->be_private;
+ struct berval mdn = BER_BVNULL;
+ ber_int_t msgid;
+ dncookie dc;
+ struct metasingleconn *lsc = &lc->conns[ candidate ];
+ LDAPMessage *res;
/*
* Rewrite the bind dn if needed
*/
- switch ( rewrite_session( li->targets[ candidate ]->rwinfo,
- "bindDn", dn->bv_val, lc->conn, &mdn.bv_val ) ) {
- case REWRITE_REGEXEC_OK:
- if ( mdn.bv_val == NULL ) {
- mdn = *dn;
+ dc.rwmap = &li->targets[ candidate ]->rwmap;
+ dc.conn = op->o_conn;
+ dc.rs = rs;
+ dc.ctx = "bindDN";
+
+ if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
+ send_ldap_result( op, rs );
+ return -1;
+ }
+
+ if ( op->o_ctrls ) {
+ rs->sr_err = ldap_set_option( lsc->ld,
+ LDAP_OPT_SERVER_CONTROLS, op->o_ctrls );
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ rs->sr_err = slap_map_api2result( rs );
+ goto return_results;
}
-#ifdef NEW_LOGGING
- LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
- "[rw] bindDn: \"%s\" -> \"%s\"\n", dn->bv_val, mdn.bv_val ));
-#else /* !NEW_LOGGING */
- Debug( LDAP_DEBUG_ARGS,
- "rw> bindDn: \"%s\" -> \"%s\"\n%s",
- dn->bv_val, mdn.bv_val, "" );
-#endif /* !NEW_LOGGING */
- break;
-
- case REWRITE_REGEXEC_UNWILLING:
- return LDAP_UNWILLING_TO_PERFORM;
+ }
- case REWRITE_REGEXEC_ERR:
- return LDAP_OPERATIONS_ERROR;
+ /* FIXME: this fixes the bind problem right now; we need
+ * to use the asynchronous version to get the "matched"
+ * and more in case of failure ... */
+ rs->sr_err = ldap_sasl_bind_s(lsc->ld, mdn.bv_val,
+ LDAP_SASL_SIMPLE, &op->oq_bind.rb_cred,
+ op->o_ctrls, NULL, NULL);
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ rs->sr_err = slap_map_api2result( rs );
+ goto return_results;
}
- rc = ldap_bind_s( lc->conns[ candidate ]->ld, mdn.bv_val, cred->bv_val, method );
- if ( rc != LDAP_SUCCESS ) {
- rc = ldap_back_map_result( rc );
- } else {
- ber_dupbv( &lc->conns[ candidate ]->bound_dn, dn );
- lc->conns[ candidate ]->bound = META_BOUND;
- lc->bound_target = candidate;
-
- if ( li->cache.ttl != META_DNCACHE_DISABLED
- && ndn->bv_len != 0 ) {
- ( void )meta_dncache_update_entry( &li->cache,
- ndn, candidate );
+ /*
+ * FIXME: handle response!!!
+ */
+ if ( lsc->bound_dn.bv_val != NULL ) {
+ ber_memfree( lsc->bound_dn.bv_val );
+ }
+ ber_dupbv( &lsc->bound_dn, &op->o_req_dn );
+ lsc->bound = META_BOUND;
+ lc->bound_target = candidate;
+
+ if ( li->savecred ) {
+ if ( lsc->cred.bv_val ) {
+ memset( lsc->cred.bv_val, 0, lsc->cred.bv_len );
+ ber_memfree( lsc->cred.bv_val );
}
+ ber_dupbv( &lsc->cred, &op->oq_bind.rb_cred );
+ ldap_set_rebind_proc( lsc->ld, meta_back_rebind, lsc );
+ }
+
+ if ( li->cache.ttl != META_DNCACHE_DISABLED
+ && op->o_req_ndn.bv_len != 0 ) {
+ ( void )meta_dncache_update_entry( &li->cache,
+ &op->o_req_ndn, candidate );
}
+
+return_results:;
- if ( mdn.bv_val != dn->bv_val ) {
+ if ( mdn.bv_val != op->o_req_dn.bv_val ) {
free( mdn.bv_val );
}
- return rc;
+ return rs->sr_err;
}
/*
int
meta_back_dobind( struct metaconn *lc, Operation *op )
{
- struct metasingleconn **lsc;
+ struct metasingleconn *lsc;
int bound = 0, i;
/*
return 1;
}
- for ( i = 0, lsc = lc->conns; lsc[ 0 ] != NULL; ++i, ++lsc ) {
- int rc;
+ for ( i = 0, lsc = lc->conns; !META_LAST(lsc); ++i, ++lsc ) {
+ int rc;
+ struct berval cred = BER_BVC("");
/*
* Not a candidate or something wrong with this target ...
*/
- if ( lsc[ 0 ]->ld == NULL ) {
+ if ( lsc->ld == NULL ) {
continue;
}
+ /*
+ * If required, set controls
+ */
+ if ( op->o_ctrls ) {
+ if ( ldap_set_option( lsc->ld, LDAP_OPT_SERVER_CONTROLS,
+ op->o_ctrls ) != LDAP_SUCCESS ) {
+ ( void )meta_clear_one_candidate( lsc, 1 );
+ continue;
+ }
+ }
+
/*
* If the target is already bound it is skipped
*/
- if ( lsc[ 0 ]->bound == META_BOUND && lc->bound_target == i ) {
+ if ( lsc->bound == META_BOUND && lc->bound_target == i ) {
++bound;
continue;
}
* (note: if the target was already bound, the anonymous
* bind clears the previous bind).
*/
- if ( lsc[ 0 ]->bound_dn.bv_val ) {
- ch_free( lsc[ 0 ]->bound_dn.bv_val );
- lsc[ 0 ]->bound_dn.bv_val = NULL;
- lsc[ 0 ]->bound_dn.bv_len = 0;
+ if ( lsc->bound_dn.bv_val ) {
+ ber_memfree( lsc->bound_dn.bv_val );
+ lsc->bound_dn.bv_val = NULL;
+ lsc->bound_dn.bv_len = 0;
+ }
+
+ if ( /* FIXME: need li ... li->savecred && */
+ lsc->cred.bv_val ) {
+ memset( lsc->cred.bv_val, 0, lsc->cred.bv_len );
+ ber_memfree( lsc->cred.bv_val );
+ lsc->cred.bv_val = NULL;
+ lsc->cred.bv_len = 0;
}
- rc = ldap_bind_s( lsc[ 0 ]->ld, 0, NULL, LDAP_AUTH_SIMPLE );
+
+ rc = ldap_sasl_bind_s(lsc->ld, "", LDAP_SASL_SIMPLE, &cred,
+ op->o_ctrls, NULL, NULL);
if ( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "backend", LDAP_LEVEL_WARNING,
+ LDAP_LOG( BACK_META, WARNING,
"meta_back_dobind: (anonymous)"
- " bind as \"%s\" failed"
- " with error \"%s\"\n",
- lsc[ 0 ]->bound_dn.bv_val,
- ldap_err2string( rc ) ));
+ " bind failed"
+ " with error %d (%s)\n",
+ rc, ldap_err2string( rc ), 0 );
#else /* !NEW_LOGGING */
Debug( LDAP_DEBUG_ANY,
"==>meta_back_dobind: (anonymous)"
- " bind as \"%s\" failed"
- " with error \"%s\"\n%s",
- lsc[ 0 ]->bound_dn.bv_val,
- ldap_err2string( rc ), "" );
+ " bind failed"
+ " with error %d (%s)\n",
+ rc, ldap_err2string( rc ), 0 );
#endif /* !NEW_LOGGING */
/*
* due to technical reasons (remote host down?)
* so better clear the handle
*/
- ( void )meta_clear_one_candidate( lsc[ 0 ], 1 );
+ ( void )meta_clear_one_candidate( lsc, 1 );
continue;
} /* else */
- lsc[ 0 ]->bound = META_ANONYMOUS;
+ lsc->bound = META_ANONYMOUS;
++bound;
}
int
meta_back_is_valid( struct metaconn *lc, int candidate )
{
- struct metasingleconn **lsc;
+ struct metasingleconn *lsc;
int i;
assert( lc );
return 0;
}
- for ( i = 0, lsc = lc->conns;
- lsc[ 0 ] != NULL && i < candidate;
+ for ( i = 0, lsc = lc->conns; !META_LAST(lsc) && i < candidate;
++i, ++lsc );
- if ( lsc[ 0 ] ) {
- return( lsc[ 0 ]->ld != NULL );
+ if ( !META_LAST(lsc) ) {
+ return( lsc->ld != NULL );
}
return 0;
}
+/*
+ * meta_back_rebind
+ *
+ * This is a callback used for chasing referrals using the same
+ * credentials as the original user on this session.
+ */
+static int
+meta_back_rebind( LDAP *ld, LDAP_CONST char *url, ber_tag_t request,
+ ber_int_t msgid, void *params )
+{
+ struct metasingleconn *lc = params;
+
+ return ldap_bind_s( ld, lc->bound_dn.bv_val, lc->cred.bv_val,
+ LDAP_AUTH_SIMPLE );
+}
+
/*
* FIXME: error return must be handled in a cleaner way ...
*/
int
-meta_back_op_result( struct metaconn *lc, Operation *op )
+meta_back_op_result( struct metaconn *lc, Operation *op, SlapReply *rs )
{
int i, rerr = LDAP_SUCCESS;
- struct metasingleconn **lsc;
+ struct metasingleconn *lsc;
char *rmsg = NULL;
char *rmatch = NULL;
+ int free_rmsg = 0, free_rmatch = 0;
- for ( i = 0, lsc = lc->conns; lsc[ 0 ] != NULL; ++i, ++lsc ) {
- int err = LDAP_SUCCESS;
+ for ( i = 0, lsc = lc->conns; !META_LAST(lsc); ++i, ++lsc ) {
char *msg = NULL;
char *match = NULL;
- ldap_get_option( lsc[ 0 ]->ld, LDAP_OPT_ERROR_NUMBER, &err );
- if ( err != LDAP_SUCCESS ) {
+ rs->sr_err = LDAP_SUCCESS;
+
+ ldap_get_option( lsc->ld, LDAP_OPT_ERROR_NUMBER, &rs->sr_err );
+ if ( rs->sr_err != LDAP_SUCCESS ) {
/*
* better check the type of error. In some cases
* (search ?) it might be better to return a
* success if at least one of the targets gave
* positive result ...
*/
- ldap_get_option( lsc[ 0 ]->ld,
+ ldap_get_option( lsc->ld,
LDAP_OPT_ERROR_STRING, &msg );
- ldap_get_option( lsc[ 0 ]->ld,
+ ldap_get_option( lsc->ld,
LDAP_OPT_MATCHED_DN, &match );
- err = ldap_back_map_result( err );
+ rs->sr_err = slap_map_api2result( rs );
#ifdef NEW_LOGGING
- LDAP_LOG(( "backend", LDAP_LEVEL_RESULTS,
+ LDAP_LOG( BACK_META, RESULTS,
"meta_back_op_result: target"
" <%d> sending msg \"%s\""
" (matched \"%s\")\n",
i, ( msg ? msg : "" ),
- ( match ? match : "" ) ));
+ ( match ? match : "" ) );
#else /* !NEW_LOGGING */
Debug(LDAP_DEBUG_ANY,
"==> meta_back_op_result: target"
/*
* FIXME: need to rewrite "match" (need rwinfo)
*/
- switch ( err ) {
+ switch ( rs->sr_err ) {
default:
- rerr = err;
+ rerr = rs->sr_err;
+ if ( rmsg ) {
+ ber_memfree( rmsg );
+ }
rmsg = msg;
+ free_rmsg = 1;
msg = NULL;
+ if ( rmatch ) {
+ ber_memfree( rmatch );
+ }
rmatch = match;
+ free_rmatch = 1;
match = NULL;
break;
}
}
}
- send_ldap_result( lc->conn, op, rerr, rmatch, rmsg, NULL, NULL );
+ rs->sr_err = rerr;
+ rs->sr_text = rmsg;
+ rs->sr_matched = rmatch;
+ send_ldap_result( op, rs );
+ if ( free_rmsg ) {
+ ber_memfree( rmsg );
+ }
+ if ( free_rmatch ) {
+ ber_memfree( rmatch );
+ }
+ rs->sr_text = NULL;
+ rs->sr_matched = NULL;
return ( ( rerr == LDAP_SUCCESS ) ? 0 : -1 );
}