/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1999-2006 The OpenLDAP Foundation.
+ * Copyright 1999-2012 The OpenLDAP Foundation.
* Portions Copyright 2001-2003 Pierangelo Masarati.
* Portions Copyright 1999-2003 Howard Chu.
* All rights reserved.
#include "../back-ldap/back-ldap.h"
#include "back-meta.h"
+#include "lutil_ldap.h"
+
+static int
+meta_back_proxy_authz_bind(
+ metaconn_t *mc,
+ int candidate,
+ Operation *op,
+ SlapReply *rs,
+ ldap_back_send_t sendok,
+ int dolock );
+
+static int
+meta_back_single_bind(
+ Operation *op,
+ SlapReply *rs,
+ metaconn_t *mc,
+ int candidate );
+
int
meta_back_bind( Operation *op, SlapReply *rs )
{
gotit = 0,
isroot = 0;
- SlapReply *candidates = meta_back_candidates_get( op );
+ SlapReply *candidates;
rs->sr_err = LDAP_SUCCESS;
op->o_log_prefix, op->o_req_dn.bv_val, 0 );
/* the test on the bind method should be superfluous */
- if ( op->orb_method == LDAP_AUTH_SIMPLE
- && be_isroot_dn( op->o_bd, &op->o_req_ndn ) )
- {
- if ( !be_isroot_pw( op ) ) {
- rs->sr_err = LDAP_INVALID_CREDENTIALS;
- rs->sr_text = NULL;
- send_ldap_result( op, rs );
- return rs->sr_err;
- }
-
+ switch ( be_rootdn_bind( op, rs ) ) {
+ case LDAP_SUCCESS:
if ( META_BACK_DEFER_ROOTDN_BIND( mi ) ) {
- rs->sr_err = LDAP_SUCCESS;
- rs->sr_text = NULL;
/* frontend will return success */
return rs->sr_err;
}
isroot = 1;
+ /* fallthru */
+
+ case SLAP_CB_CONTINUE:
+ break;
+
+ default:
+ /* be_rootdn_bind() sent result */
+ return rs->sr_err;
}
/* we need meta_back_getconn() not send result even on error,
return rs->sr_err;
}
+ candidates = meta_back_candidates_get( op );
+
/*
* Each target is scanned ...
*/
for ( i = 0; i < mi->mi_ntargets; i++ ) {
metatarget_t *mt = mi->mi_targets[ i ];
int lerr;
- Operation op2 = *op;
- int massage = 1;
/*
* Skip non-candidates
rc = LDAP_SUCCESS;
gotit = 1;
- } else if ( isroot == 0 ) {
+ } else if ( !isroot ) {
/*
* A bind operation is expected to have
* ONE CANDIDATE ONLY!
}
if ( isroot ) {
- if ( BER_BVISNULL( &mt->mt_pseudorootdn ) )
+ if ( mt->mt_idassert_authmethod == LDAP_AUTH_NONE
+ || BER_BVISNULL( &mt->mt_idassert_authcDN ) )
{
metasingleconn_t *msc = &mc->mc_conns[ i ];
BER_BVZERO( &msc->msc_bound_ndn );
}
- if ( LDAP_BACK_SAVECRED( mi ) &&
- !BER_BVISNULL( &msc->msc_cred ) )
- {
+ if ( !BER_BVISNULL( &msc->msc_cred ) ) {
/* destroy sensitive data */
memset( msc->msc_cred.bv_val, 0,
msc->msc_cred.bv_len );
continue;
}
- op2.o_req_dn = mt->mt_pseudorootdn;
- op2.o_req_ndn = mt->mt_pseudorootdn;
- op2.orb_cred = mt->mt_pseudorootpw;
- op2.orb_method = LDAP_AUTH_SIMPLE;
+
+ (void)meta_back_proxy_authz_bind( mc, i, op, rs, LDAP_BACK_DONTSEND, 1 );
+ lerr = rs->sr_err;
- massage = 0;
+ } else {
+ lerr = meta_back_single_bind( op, rs, mc, i );
}
-
- lerr = meta_back_single_bind( &op2, rs, mc, i, massage );
if ( lerr != LDAP_SUCCESS ) {
rc = rs->sr_err = lerr;
+
/* FIXME: in some cases (e.g. unavailable)
* do not assume it's not candidate; rather
* mark this as an error to be eventually
if ( rc == LDAP_SUCCESS ) {
if ( isroot ) {
mc->mc_authz_target = META_BOUND_ALL;
- ber_dupbv( &op->orb_edn, be_root_dn( op->o_bd ) );
}
- if ( !dn_match( &op->o_req_ndn, &mc->mc_local_ndn ) ) {
- metaconn_t *tmpmc;
+ if ( !LDAP_BACK_PCONN_ISPRIV( mc )
+ && !dn_match( &op->o_req_ndn, &mc->mc_local_ndn ) )
+ {
int lerr;
/* wait for all other ops to release the connection */
-retry_lock:;
ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
- if ( mc->mc_refcnt > 1 ) {
- ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
- ldap_pvt_thread_yield();
- goto retry_lock;
- }
-
assert( mc->mc_refcnt == 1 );
- tmpmc = avl_delete( &mi->mi_conninfo.lai_tree, (caddr_t)mc,
- meta_back_conndn_cmp );
- assert( tmpmc == mc );
+#if META_BACK_PRINT_CONNTREE > 0
+ meta_back_print_conntree( mi, ">>> meta_back_bind" );
+#endif /* META_BACK_PRINT_CONNTREE */
/* delete all cached connections with the current connection */
if ( LDAP_BACK_SINGLECONN( mi ) ) {
+ metaconn_t *tmpmc;
+
while ( ( tmpmc = avl_delete( &mi->mi_conninfo.lai_tree, (caddr_t)mc, meta_back_conn_cmp ) ) != NULL )
{
+ assert( !LDAP_BACK_PCONN_ISPRIV( mc ) );
Debug( LDAP_DEBUG_TRACE,
- "=>meta_back_bind: destroying conn %ld (refcnt=%u)\n",
- LDAP_BACK_PCONN_ID( mc->mc_conn ), mc->mc_refcnt, 0 );
+ "=>meta_back_bind: destroying conn %lu (refcnt=%u)\n",
+ mc->mc_conn->c_connid, mc->mc_refcnt, 0 );
if ( tmpmc->mc_refcnt != 0 ) {
/* taint it */
}
ber_bvreplace( &mc->mc_local_ndn, &op->o_req_ndn );
- if ( be_isroot_dn( op->o_bd, &op->o_req_ndn ) ) {
- mc->mc_conn = LDAP_BACK_PCONN_SET( op );
- }
lerr = avl_insert( &mi->mi_conninfo.lai_tree, (caddr_t)mc,
meta_back_conndn_cmp, meta_back_conndn_dup );
- ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
- if ( lerr == -1 ) {
- meta_clear_candidates( op, mc );
+#if META_BACK_PRINT_CONNTREE > 0
+ meta_back_print_conntree( mi, "<<< meta_back_bind" );
+#endif /* META_BACK_PRINT_CONNTREE */
+ if ( lerr == 0 ) {
+#if 0
+ /* NOTE: a connection cannot be privileged
+ * and be in the avl tree at the same time
+ */
+ if ( isroot ) {
+ LDAP_BACK_CONN_ISPRIV_SET( mc );
+ LDAP_BACK_PCONN_SET( mc, op );
+ }
+#endif
+ LDAP_BACK_CONN_CACHED_SET( mc );
- /* we can do this because mc_refcnt == 1 */
- mc->mc_refcnt = 0;
- meta_back_conn_free( mc );
- mc = NULL;
+ } else {
+ LDAP_BACK_CONN_CACHED_CLEAR( mc );
}
+ ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
}
}
if ( mc != NULL ) {
- meta_back_release_conn( op, mc );
+ meta_back_release_conn( mi, mc );
}
/*
metaconn_t *mc,
int candidate,
int msgid,
- ldap_back_send_t sendok )
+ ldap_back_send_t sendok,
+ int dolock )
{
metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
metatarget_t *mt = mi->mi_targets[ candidate ];
int nretries = mt->mt_nretries;
char buf[ SLAP_TEXT_BUFLEN ];
+ Debug( LDAP_DEBUG_TRACE,
+ ">>> %s meta_back_bind_op_result[%d]\n",
+ op->o_log_prefix, candidate, 0 );
+
+ /* make sure this is clean */
+ assert( rs->sr_ctrls == NULL );
+
if ( rs->sr_err == LDAP_SUCCESS ) {
+ time_t stoptime = (time_t)(-1),
+ timeout;
+ int timeout_err = op->o_protocol >= LDAP_VERSION3 ?
+ LDAP_ADMINLIMIT_EXCEEDED : LDAP_OTHER;
+ const char *timeout_text = "Operation timed out";
+ slap_op_t opidx = slap_req2op( op->o_tag );
+
+ /* since timeout is not specified, compute and use
+ * the one specific to the ongoing operation */
+ if ( opidx == LDAP_REQ_SEARCH ) {
+ if ( op->ors_tlimit <= 0 ) {
+ timeout = 0;
+
+ } else {
+ timeout = op->ors_tlimit;
+ timeout_err = LDAP_TIMELIMIT_EXCEEDED;
+ timeout_text = NULL;
+ }
+
+ } else {
+ timeout = mt->mt_timeout[ opidx ];
+ }
+
+ /* better than nothing :) */
+ if ( timeout == 0 ) {
+ if ( mi->mi_idle_timeout ) {
+ timeout = mi->mi_idle_timeout;
+
+ } else if ( mi->mi_conn_ttl ) {
+ timeout = mi->mi_conn_ttl;
+ }
+ }
+
+ if ( timeout ) {
+ stoptime = op->o_time + timeout;
+ }
+
LDAP_BACK_TV_SET( &tv );
/*
* handle response!!!
*/
retry:;
- switch ( ldap_result( msc->msc_ld, msgid, LDAP_MSG_ALL, &tv, &res ) ) {
+ rc = ldap_result( msc->msc_ld, msgid, LDAP_MSG_ALL, &tv, &res );
+ switch ( rc ) {
case 0:
- Debug( LDAP_DEBUG_ANY,
- "%s meta_back_single_bind[%d]: ldap_result=0 nretries=%d.\n",
- op->o_log_prefix, candidate, nretries );
-
- if ( nretries != META_RETRY_NEVER ) {
+ if ( nretries != META_RETRY_NEVER
+ || ( timeout && slap_get_time() <= stoptime ) )
+ {
ldap_pvt_thread_yield();
if ( nretries > 0 ) {
nretries--;
goto retry;
}
- rs->sr_err = LDAP_BUSY;
- (void)meta_back_cancel( mc, op, rs, msgid, candidate, sendok );
+ /* don't let anyone else use this handler,
+ * because there's a pending bind that will not
+ * be acknowledged */
+ if ( dolock) {
+ ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
+ }
+ assert( LDAP_BACK_CONN_BINDING( msc ) );
+
+#ifdef DEBUG_205
+ Debug( LDAP_DEBUG_ANY, "### %s meta_back_bind_op_result ldap_unbind_ext[%d] ld=%p\n",
+ op->o_log_prefix, candidate, (void *)msc->msc_ld );
+#endif /* DEBUG_205 */
+
+ meta_clear_one_candidate( op, mc, candidate );
+ if ( dolock ) {
+ ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
+ }
+
+ rs->sr_err = timeout_err;
+ rs->sr_text = timeout_text;
break;
case -1:
"err=%d (%s) nretries=%d",
rs->sr_err, ldap_err2string( rs->sr_err ), nretries );
Debug( LDAP_DEBUG_ANY,
- "### %s meta_back_single_bind[%d]: %s.\n",
+ "### %s meta_back_bind_op_result[%d]: %s.\n",
op->o_log_prefix, candidate, buf );
break;
default:
+ /* only touch when activity actually took place... */
+ if ( mi->mi_idle_timeout != 0 && msc->msc_time < op->o_time ) {
+ msc->msc_time = op->o_time;
+ }
+
+ /* FIXME: matched? referrals? response controls? */
rc = ldap_parse_result( msc->msc_ld, res, &rs->sr_err,
NULL, NULL, NULL, NULL, 1 );
if ( rc != LDAP_SUCCESS ) {
rs->sr_err = rc;
}
+ rs->sr_err = slap_map_api2result( rs );
break;
}
}
- return rs->sr_err = slap_map_api2result( rs );
+ rs->sr_err = slap_map_api2result( rs );
+
+ Debug( LDAP_DEBUG_TRACE,
+ "<<< %s meta_back_bind_op_result[%d] err=%d\n",
+ op->o_log_prefix, candidate, rs->sr_err );
+
+ return rs->sr_err;
}
/*
*
* attempts to perform a bind with creds
*/
-int
+static int
meta_back_single_bind(
Operation *op,
SlapReply *rs,
metaconn_t *mc,
- int candidate,
- int massage )
+ int candidate )
{
metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
metatarget_t *mt = mi->mi_targets[ candidate ];
struct berval mdn = BER_BVNULL;
metasingleconn_t *msc = &mc->mc_conns[ candidate ];
int msgid;
+ dncookie dc;
+ struct berval save_o_dn;
+ int save_o_do_not_cache;
+ LDAPControl **ctrls = NULL;
if ( !BER_BVISNULL( &msc->msc_bound_ndn ) ) {
ch_free( msc->msc_bound_ndn.bv_val );
BER_BVZERO( &msc->msc_bound_ndn );
}
- if ( LDAP_BACK_SAVECRED( mi ) && !BER_BVISNULL( &msc->msc_cred ) ) {
+ if ( !BER_BVISNULL( &msc->msc_cred ) ) {
/* destroy sensitive data */
memset( msc->msc_cred.bv_val, 0, msc->msc_cred.bv_len );
ch_free( msc->msc_cred.bv_val );
/*
* Rewrite the bind dn if needed
*/
- if ( massage ) {
- dncookie dc;
-
- dc.target = mt;
- dc.conn = op->o_conn;
- dc.rs = rs;
- dc.ctx = "bindDN";
+ dc.target = mt;
+ dc.conn = op->o_conn;
+ dc.rs = rs;
+ dc.ctx = "bindDN";
+
+ if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
+ rs->sr_text = "DN rewrite error";
+ rs->sr_err = LDAP_OTHER;
+ return rs->sr_err;
+ }
- if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
- rs->sr_text = "DN rewrite error";
- rs->sr_err = LDAP_OTHER;
- return rs->sr_err;
- }
+ /* don't add proxyAuthz; set the bindDN */
+ save_o_dn = op->o_dn;
+ save_o_do_not_cache = op->o_do_not_cache;
+ op->o_do_not_cache = 1;
+ op->o_dn = op->o_req_dn;
- } else {
- mdn = op->o_req_dn;
+ ctrls = op->o_ctrls;
+ rs->sr_err = meta_back_controls_add( op, rs, mc, candidate, &ctrls );
+ op->o_dn = save_o_dn;
+ op->o_do_not_cache = save_o_do_not_cache;
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ goto return_results;
}
/* FIXME: this fixes the bind problem right now; we need
* and more in case of failure ... */
/* FIXME: should we check if at least some of the op->o_ctrls
* can/should be passed? */
- rs->sr_err = ldap_sasl_bind( msc->msc_ld, mdn.bv_val,
+ for (;;) {
+ rs->sr_err = ldap_sasl_bind( msc->msc_ld, mdn.bv_val,
LDAP_SASL_SIMPLE, &op->orb_cred,
- op->o_ctrls, NULL, &msgid );
- meta_back_bind_op_result( op, rs, mc, candidate, msgid, LDAP_BACK_DONTSEND );
+ ctrls, NULL, &msgid );
+ if ( rs->sr_err != LDAP_X_CONNECTING ) {
+ break;
+ }
+ ldap_pvt_thread_yield();
+ }
+
+ mi->mi_ldap_extra->controls_free( op, rs, &ctrls );
+
+ meta_back_bind_op_result( op, rs, mc, candidate, msgid, LDAP_BACK_DONTSEND, 1 );
if ( rs->sr_err != LDAP_SUCCESS ) {
goto return_results;
}
- ber_bvreplace( &msc->msc_bound_ndn, &op->o_req_dn );
+ /* If defined, proxyAuthz will be used also when
+ * back-ldap is the authorizing backend; for this
+ * purpose, a successful bind is followed by a
+ * bind with the configured identity assertion */
+ /* NOTE: use with care */
+ if ( mt->mt_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) {
+ meta_back_proxy_authz_bind( mc, candidate, op, rs, LDAP_BACK_SENDERR, 1 );
+ if ( !LDAP_BACK_CONN_ISBOUND( msc ) ) {
+ goto return_results;
+ }
+ goto cache_refresh;
+ }
+
+ ber_bvreplace( &msc->msc_bound_ndn, &op->o_req_ndn );
LDAP_BACK_CONN_ISBOUND_SET( msc );
mc->mc_authz_target = candidate;
- if ( LDAP_BACK_SAVECRED( mi ) ) {
+ if ( META_BACK_TGT_SAVECRED( mt ) ) {
+ if ( !BER_BVISNULL( &msc->msc_cred ) ) {
+ memset( msc->msc_cred.bv_val, 0,
+ msc->msc_cred.bv_len );
+ }
ber_bvreplace( &msc->msc_cred, &op->orb_cred );
ldap_set_rebind_proc( msc->msc_ld, mt->mt_rebind_f, msc );
}
metatarget_t *mt = mi->mi_targets[ candidate ];
metaconn_t *mc = *mcp;
metasingleconn_t *msc = &mc->mc_conns[ candidate ];
- int rc;
- static struct berval cred = BER_BVC( "" );
int msgid;
assert( !LDAP_BACK_CONN_ISBOUND( msc ) );
- /*
- * meta_back_single_dobind() calls meta_back_single_bind()
- * if required.
- */
- if ( be_isroot( op ) && !BER_BVISNULL( &mt->mt_pseudorootdn ) )
+ /* NOTE: this obsoletes pseudorootdn */
+ if ( op->o_conn != NULL &&
+ !op->o_do_not_cache &&
+ ( BER_BVISNULL( &msc->msc_bound_ndn ) ||
+ BER_BVISEMPTY( &msc->msc_bound_ndn ) ||
+ ( LDAP_BACK_CONN_ISPRIV( mc ) && dn_match( &msc->msc_bound_ndn, &mt->mt_idassert_authcDN ) ) ||
+ ( mt->mt_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) ) )
{
- Operation op2 = *op;
+ (void)meta_back_proxy_authz_bind( mc, candidate, op, rs, sendok, dolock );
- op2.o_tag = LDAP_REQ_BIND;
- op2.o_req_dn = mt->mt_pseudorootdn;
- op2.o_req_ndn = mt->mt_pseudorootdn;
- op2.orb_cred = mt->mt_pseudorootpw;
- op2.orb_method = LDAP_AUTH_SIMPLE;
+ } else {
+ char *binddn = "";
+ struct berval cred = BER_BVC( "" );
+
+ /* use credentials if available */
+ if ( !BER_BVISNULL( &msc->msc_bound_ndn )
+ && !BER_BVISNULL( &msc->msc_cred ) )
+ {
+ binddn = msc->msc_bound_ndn.bv_val;
+ cred = msc->msc_cred;
+ }
- rc = meta_back_single_bind( &op2, rs, *mcp, candidate, 0 );
- goto done;
- }
+ /* FIXME: should we check if at least some of the op->o_ctrls
+ * can/should be passed? */
+ for (;;) {
+ rs->sr_err = ldap_sasl_bind( msc->msc_ld,
+ binddn, LDAP_SASL_SIMPLE, &cred,
+ NULL, NULL, &msgid );
+ if ( rs->sr_err != LDAP_X_CONNECTING ) {
+ break;
+ }
+ ldap_pvt_thread_yield();
+ }
- /*
- * Otherwise an anonymous bind is performed
- * (note: if the target was already bound, the anonymous
- * bind clears the previous bind).
- */
- if ( !BER_BVISNULL( &msc->msc_bound_ndn ) ) {
- ber_memfree( msc->msc_bound_ndn.bv_val );
- BER_BVZERO( &msc->msc_bound_ndn );
- }
-
- if ( LDAP_BACK_SAVECRED( mi ) && !BER_BVISNULL( &msc->msc_cred ) ) {
- /* destroy sensitive data */
- memset( msc->msc_cred.bv_val, 0, msc->msc_cred.bv_len );
- ber_memfree( msc->msc_cred.bv_val );
- BER_BVZERO( &msc->msc_cred );
- }
+ rs->sr_err = meta_back_bind_op_result( op, rs, mc, candidate, msgid, sendok, dolock );
- /* FIXME: should we check if at least some of the op->o_ctrls
- * can/should be passed? */
- rs->sr_err = ldap_sasl_bind( msc->msc_ld, "", LDAP_SASL_SIMPLE, &cred,
- NULL, NULL, &msgid );
- rc = meta_back_bind_op_result( op, rs, mc, candidate, msgid, sendok );
+ /* if bind succeeded, but anonymous, clear msc_bound_ndn */
+ if ( rs->sr_err != LDAP_SUCCESS || binddn[0] == '\0' ) {
+ if ( !BER_BVISNULL( &msc->msc_bound_ndn ) ) {
+ ber_memfree( msc->msc_bound_ndn.bv_val );
+ BER_BVZERO( &msc->msc_bound_ndn );
+ }
-done:;
- rs->sr_err = rc;
- if ( rc != LDAP_SUCCESS ) {
+ if ( !BER_BVISNULL( &msc->msc_cred ) ) {
+ memset( msc->msc_cred.bv_val, 0, msc->msc_cred.bv_len );
+ ber_memfree( msc->msc_cred.bv_val );
+ BER_BVZERO( &msc->msc_cred );
+ }
+ }
+ }
+
+ if ( rs->sr_err != LDAP_SUCCESS ) {
if ( dolock ) {
ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
}
- LDAP_BACK_CONN_BINDING_CLEAR( msc );
+ LDAP_BACK_CONN_BINDING_CLEAR( msc );
if ( META_BACK_ONERR_STOP( mi ) ) {
- LDAP_BACK_CONN_TAINTED_SET( mc );
- meta_back_release_conn_lock( op, mc, 0 );
+ LDAP_BACK_CONN_TAINTED_SET( mc );
+ meta_back_release_conn_lock( mi, mc, 0 );
*mcp = NULL;
}
if ( dolock ) {
ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
}
-
- if ( META_BACK_ONERR_STOP( mi ) && ( sendok & LDAP_BACK_SENDERR ) ) {
- send_ldap_result( op, rs );
- }
}
if ( META_BACK_TGT_QUARANTINE( mt ) ) {
meta_back_quarantine( op, rs, candidate );
}
- return rc;
+ return rs->sr_err;
}
/*
i,
isroot = 0;
- SlapReply *candidates = meta_back_candidates_get( op );
+ SlapReply *candidates;
if ( be_isroot( op ) ) {
isroot = 1;
}
- Debug( LDAP_DEBUG_TRACE,
- "%s meta_back_dobind: conn=%ld%s\n",
- op->o_log_prefix,
- LDAP_BACK_PCONN_ID( mc->mc_conn ),
- isroot ? " (isroot)" : "" );
+ if ( LogTest( LDAP_DEBUG_TRACE ) ) {
+ char buf[STRLENOF("4294967295U") + 1] = { 0 };
+ mi->mi_ldap_extra->connid2str( &mc->mc_base, buf, sizeof(buf) );
+
+ Debug( LDAP_DEBUG_TRACE,
+ "%s meta_back_dobind: conn=%s%s\n",
+ op->o_log_prefix, buf,
+ isroot ? " (isroot)" : "" );
+ }
/*
* all the targets are bound as pseudoroot
goto done;
}
+ candidates = meta_back_candidates_get( op );
+
for ( i = 0; i < mi->mi_ntargets; i++ ) {
metatarget_t *mt = mi->mi_targets[ i ];
metasingleconn_t *msc = &mc->mc_conns[ i ];
- int rc, do_retry = 1;
+ int rc;
/*
* Not a candidate
retry_binding:;
ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
- if ( LDAP_BACK_CONN_ISBOUND( msc ) || LDAP_BACK_CONN_ISANON( msc ) ) {
+ if ( LDAP_BACK_CONN_ISBOUND( msc )
+ || ( LDAP_BACK_CONN_ISANON( msc )
+ && mt->mt_idassert_authmethod == LDAP_AUTH_NONE ) )
+ {
ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
++bound;
continue;
- } else if ( LDAP_BACK_CONN_BINDING( msc ) ) {
+ } else if ( META_BACK_CONN_CREATING( msc ) || LDAP_BACK_CONN_BINDING( msc ) )
+ {
ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
ldap_pvt_thread_yield();
goto retry_binding;
LDAP_BACK_CONN_BINDING_SET( msc );
ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
-retry:;
rc = meta_back_single_dobind( op, rs, &mc, i,
LDAP_BACK_DONTSEND, mt->mt_nretries, 1 );
/*
}
- if ( rc == LDAP_UNAVAILABLE && do_retry ) {
- do_retry = 0;
+ if ( rc == LDAP_UNAVAILABLE ) {
+ /* FIXME: meta_back_retry() already re-calls
+ * meta_back_single_dobind() */
if ( meta_back_retry( op, rs, &mc, i, sendok ) ) {
- goto retry;
+ goto retry_ok;
}
if ( mc != NULL ) {
ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
LDAP_BACK_CONN_BINDING_CLEAR( msc );
+ meta_back_release_conn_lock( mi, mc, 0 );
ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
}
continue;
} /* else */
-
+
+retry_ok:;
Debug( LDAP_DEBUG_TRACE,
"%s meta_back_dobind[%d]: "
"(%s)\n",
}
done:;
- Debug( LDAP_DEBUG_TRACE,
- "%s meta_back_dobind: conn=%ld bound=%d\n",
- op->o_log_prefix, LDAP_BACK_PCONN_ID( mc->mc_conn ), bound );
+ if ( LogTest( LDAP_DEBUG_TRACE ) ) {
+ char buf[STRLENOF("4294967295U") + 1] = { 0 };
+ mi->mi_ldap_extra->connid2str( &mc->mc_base, buf, sizeof(buf) );
+
+ Debug( LDAP_DEBUG_TRACE,
+ "%s meta_back_dobind: conn=%s bound=%d\n",
+ op->o_log_prefix, buf, bound );
+ }
if ( bound == 0 ) {
- meta_back_release_conn( op, mc );
+ meta_back_release_conn( mi, mc );
send_err:;
if ( sendok & LDAP_BACK_SENDERR ) {
metatarget_t *mt = mi->mi_targets[ candidate ];
metasingleconn_t *msc = &mc->mc_conns[ candidate ];
+ int rc = LDAP_OTHER;
+
+ Debug( LDAP_DEBUG_TRACE, ">>> %s meta_back_cancel[%d] msgid=%d\n",
+ op->o_log_prefix, candidate, msgid );
+
/* default behavior */
if ( META_BACK_TGT_ABANDON( mt ) ) {
- return ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
- }
+ rc = ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
- if ( META_BACK_TGT_IGNORE( mt ) ) {
- return LDAP_SUCCESS;
- }
+ } else if ( META_BACK_TGT_IGNORE( mt ) ) {
+ rc = ldap_pvt_discard( msc->msc_ld, msgid );
+
+ } else if ( META_BACK_TGT_CANCEL( mt ) ) {
+ rc = ldap_cancel_s( msc->msc_ld, msgid, NULL, NULL );
- if ( META_BACK_TGT_CANCEL( mt ) ) {
- /* FIXME: asynchronous? */
- return ldap_cancel_s( msc->msc_ld, msgid, NULL, NULL );
+ } else {
+ assert( 0 );
}
- assert( 0 );
+ Debug( LDAP_DEBUG_TRACE, "<<< %s meta_back_cancel[%d] err=%d\n",
+ op->o_log_prefix, candidate, rc );
- return LDAP_OTHER;
+ return rc;
}
*/
int
meta_back_op_result(
- metaconn_t *mc,
- Operation *op,
- SlapReply *rs,
- int candidate )
+ metaconn_t *mc,
+ Operation *op,
+ SlapReply *rs,
+ int candidate,
+ ber_int_t msgid,
+ time_t timeout,
+ ldap_back_send_t sendok )
{
- metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
+ metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
- int i,
- rerr = LDAP_SUCCESS;
- char *rmsg = NULL,
- *rmatch = NULL;
- const char *save_rmsg = NULL,
- *save_rmatch = NULL;
- void *rmatch_ctx = NULL;
+ const char *save_text = rs->sr_text,
+ *save_matched = rs->sr_matched;
+ BerVarray save_ref = rs->sr_ref;
+ LDAPControl **save_ctrls = rs->sr_ctrls;
+ void *matched_ctx = NULL;
+
+ char *matched = NULL;
+ char *text = NULL;
+ char **refs = NULL;
+ LDAPControl **ctrls = NULL;
assert( mc != NULL );
+ rs->sr_text = NULL;
+ rs->sr_matched = NULL;
+ rs->sr_ref = NULL;
+ rs->sr_ctrls = NULL;
+
if ( candidate != META_TARGET_NONE ) {
+ metatarget_t *mt = mi->mi_targets[ candidate ];
metasingleconn_t *msc = &mc->mc_conns[ candidate ];
- rs->sr_err = LDAP_SUCCESS;
+ if ( LDAP_ERR_OK( rs->sr_err ) ) {
+ int rc;
+ struct timeval tv;
+ LDAPMessage *res = NULL;
+ time_t stoptime = (time_t)(-1);
+ int timeout_err = op->o_protocol >= LDAP_VERSION3 ?
+ LDAP_ADMINLIMIT_EXCEEDED : LDAP_OTHER;
+ const char *timeout_text = "Operation timed out";
- ldap_get_option( msc->msc_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( msc->msc_ld,
- LDAP_OPT_ERROR_STRING, &rmsg );
- if ( rmsg != NULL && rmsg[ 0 ] == '\0' ) {
- ldap_memfree( rmsg );
- rmsg = NULL;
+ /* if timeout is not specified, compute and use
+ * the one specific to the ongoing operation */
+ if ( timeout == (time_t)(-1) ) {
+ slap_op_t opidx = slap_req2op( op->o_tag );
+
+ if ( opidx == SLAP_OP_SEARCH ) {
+ if ( op->ors_tlimit <= 0 ) {
+ timeout = 0;
+
+ } else {
+ timeout = op->ors_tlimit;
+ timeout_err = LDAP_TIMELIMIT_EXCEEDED;
+ timeout_text = NULL;
+ }
+
+ } else {
+ timeout = mt->mt_timeout[ opidx ];
+ }
+ }
+
+ /* better than nothing :) */
+ if ( timeout == 0 ) {
+ if ( mi->mi_idle_timeout ) {
+ timeout = mi->mi_idle_timeout;
+
+ } else if ( mi->mi_conn_ttl ) {
+ timeout = mi->mi_conn_ttl;
+ }
}
- ldap_get_option( msc->msc_ld,
- LDAP_OPT_MATCHED_DN, &rmatch );
- if ( rmatch != NULL && rmatch[ 0 ] == '\0' ) {
- ldap_memfree( rmatch );
- rmatch = NULL;
+ if ( timeout ) {
+ stoptime = op->o_time + timeout;
}
- rerr = rs->sr_err = slap_map_api2result( rs );
+ LDAP_BACK_TV_SET( &tv );
+
+retry:;
+ rc = ldap_result( msc->msc_ld, msgid, LDAP_MSG_ALL, &tv, &res );
+ switch ( rc ) {
+ case 0:
+ if ( timeout && slap_get_time() > stoptime ) {
+ (void)meta_back_cancel( mc, op, rs, msgid, candidate, sendok );
+ rs->sr_err = timeout_err;
+ rs->sr_text = timeout_text;
+ break;
+ }
+
+ LDAP_BACK_TV_SET( &tv );
+ ldap_pvt_thread_yield();
+ goto retry;
+
+ case -1:
+ ldap_get_option( msc->msc_ld, LDAP_OPT_RESULT_CODE,
+ &rs->sr_err );
+ break;
+
+
+ /* otherwise get the result; if it is not
+ * LDAP_SUCCESS, record it in the reply
+ * structure (this includes
+ * LDAP_COMPARE_{TRUE|FALSE}) */
+ default:
+ /* only touch when activity actually took place... */
+ if ( mi->mi_idle_timeout != 0 && msc->msc_time < op->o_time ) {
+ msc->msc_time = op->o_time;
+ }
+
+ rc = ldap_parse_result( msc->msc_ld, res, &rs->sr_err,
+ &matched, &text, &refs, &ctrls, 1 );
+ res = NULL;
+ if ( rc == LDAP_SUCCESS ) {
+ rs->sr_text = text;
+ } else {
+ rs->sr_err = rc;
+ }
+ rs->sr_err = slap_map_api2result( rs );
+
+ /* RFC 4511: referrals can only appear
+ * if result code is LDAP_REFERRAL */
+ if ( refs != NULL
+ && refs[ 0 ] != NULL
+ && refs[ 0 ][ 0 ] != '\0' )
+ {
+ if ( rs->sr_err != LDAP_REFERRAL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s meta_back_op_result[%d]: "
+ "got referrals with err=%d\n",
+ op->o_log_prefix,
+ candidate, rs->sr_err );
+
+ } else {
+ int i;
+
+ for ( i = 0; refs[ i ] != NULL; i++ )
+ /* count */ ;
+ rs->sr_ref = op->o_tmpalloc( sizeof( struct berval ) * ( i + 1 ),
+ op->o_tmpmemctx );
+ for ( i = 0; refs[ i ] != NULL; i++ ) {
+ ber_str2bv( refs[ i ], 0, 0, &rs->sr_ref[ i ] );
+ }
+ BER_BVZERO( &rs->sr_ref[ i ] );
+ }
+
+ } else if ( rs->sr_err == LDAP_REFERRAL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s meta_back_op_result[%d]: "
+ "got err=%d with null "
+ "or empty referrals\n",
+ op->o_log_prefix,
+ candidate, rs->sr_err );
+
+ rs->sr_err = LDAP_NO_SUCH_OBJECT;
+ }
+
+ if ( ctrls != NULL ) {
+ rs->sr_ctrls = ctrls;
+ }
+ }
+
+ assert( res == NULL );
+ }
+
+ /* if the error in the reply structure is not
+ * LDAP_SUCCESS, try to map it from client
+ * to server error */
+ if ( !LDAP_ERR_OK( rs->sr_err ) ) {
+ rs->sr_err = slap_map_api2result( rs );
- if ( LogTest( LDAP_DEBUG_ANY ) ) {
- char buf[ SLAP_TEXT_BUFLEN ];
+ /* internal ops ( op->o_conn == NULL )
+ * must not reply to client */
+ if ( op->o_conn && !op->o_do_not_cache && matched ) {
- snprintf( buf, sizeof( buf ),
- "meta_back_op_result[%d] "
- "err=%d text=\"%s\" matched=\"%s\"",
- candidate, rs->sr_err,
- ( rmsg ? rmsg : "" ),
- ( rmatch ? rmatch : "" ) );
- Debug( LDAP_DEBUG_ANY, "%s %s.\n",
- op->o_log_prefix, buf, 0 );
+ /* record the (massaged) matched
+ * DN into the reply structure */
+ rs->sr_matched = matched;
}
}
- if ( META_BACK_TGT_QUARANTINE( mi->mi_targets[ candidate ] ) ) {
+ if ( META_BACK_TGT_QUARANTINE( mt ) ) {
meta_back_quarantine( op, rs, candidate );
}
} else {
+ int i,
+ err = rs->sr_err;
+
for ( i = 0; i < mi->mi_ntargets; i++ ) {
metasingleconn_t *msc = &mc->mc_conns[ i ];
- char *msg = NULL;
- char *match = NULL;
+ char *xtext = NULL;
+ char *xmatched = NULL;
+
+ if ( msc->msc_ld == NULL ) {
+ continue;
+ }
rs->sr_err = LDAP_SUCCESS;
- ldap_get_option( msc->msc_ld, LDAP_OPT_ERROR_NUMBER, &rs->sr_err );
+ ldap_get_option( msc->msc_ld, LDAP_OPT_RESULT_CODE, &rs->sr_err );
if ( rs->sr_err != LDAP_SUCCESS ) {
/*
* better check the type of error. In some cases
* positive result ...
*/
ldap_get_option( msc->msc_ld,
- LDAP_OPT_ERROR_STRING, &msg );
- if ( msg != NULL && msg[ 0 ] == '\0' ) {
- ldap_memfree( msg );
- msg = NULL;
+ LDAP_OPT_DIAGNOSTIC_MESSAGE, &xtext );
+ if ( xtext != NULL && xtext [ 0 ] == '\0' ) {
+ ldap_memfree( xtext );
+ xtext = NULL;
}
ldap_get_option( msc->msc_ld,
- LDAP_OPT_MATCHED_DN, &match );
- if ( match != NULL && match[ 0 ] == '\0' ) {
- ldap_memfree( match );
- match = NULL;
+ LDAP_OPT_MATCHED_DN, &xmatched );
+ if ( xmatched != NULL && xmatched[ 0 ] == '\0' ) {
+ ldap_memfree( xmatched );
+ xmatched = NULL;
}
rs->sr_err = slap_map_api2result( rs );
"meta_back_op_result[%d] "
"err=%d text=\"%s\" matched=\"%s\"",
i, rs->sr_err,
- ( rmsg ? rmsg : "" ),
- ( rmatch ? rmatch : "" ) );
+ ( xtext ? xtext : "" ),
+ ( xmatched ? xmatched : "" ) );
Debug( LDAP_DEBUG_ANY, "%s %s.\n",
op->o_log_prefix, buf, 0 );
}
-
+
/*
* FIXME: need to rewrite "match" (need rwinfo)
*/
switch ( rs->sr_err ) {
default:
- rerr = rs->sr_err;
- if ( msg != NULL ) {
- if ( rmsg ) {
- ldap_memfree( rmsg );
+ err = rs->sr_err;
+ if ( xtext != NULL ) {
+ if ( text ) {
+ ldap_memfree( text );
}
- rmsg = msg;
- msg = NULL;
+ text = xtext;
+ xtext = NULL;
}
- if ( match != NULL ) {
- if ( rmatch ) {
- ldap_memfree( rmatch );
+ if ( xmatched != NULL ) {
+ if ( matched ) {
+ ldap_memfree( matched );
}
- rmatch = match;
- match = NULL;
+ matched = xmatched;
+ xmatched = NULL;
}
break;
}
- if ( msg ) {
- ldap_memfree( msg );
+ if ( xtext ) {
+ ldap_memfree( xtext );
}
- if ( match ) {
- ldap_memfree( match );
+ if ( xmatched ) {
+ ldap_memfree( xmatched );
}
}
meta_back_quarantine( op, rs, i );
}
}
+
+ if ( err != LDAP_SUCCESS ) {
+ rs->sr_err = err;
+ }
}
-
- rs->sr_err = rerr;
- if ( rmsg != NULL ) {
- save_rmsg = rs->sr_text;
- rs->sr_text = rmsg;
- }
- if ( rmatch != NULL ) {
+
+ if ( matched != NULL ) {
struct berval dn, pdn;
- ber_str2bv( rmatch, 0, 0, &dn );
+ ber_str2bv( matched, 0, 0, &dn );
if ( dnPretty( NULL, &dn, &pdn, op->o_tmpmemctx ) == LDAP_SUCCESS ) {
- ldap_memfree( rmatch );
- rmatch_ctx = op->o_tmpmemctx;
- rmatch = pdn.bv_val;
+ ldap_memfree( matched );
+ matched_ctx = op->o_tmpmemctx;
+ matched = pdn.bv_val;
+ }
+ rs->sr_matched = matched;
+ }
+
+ if ( rs->sr_err == LDAP_UNAVAILABLE ) {
+ if ( !( sendok & LDAP_BACK_RETRYING ) ) {
+ if ( op->o_conn && ( sendok & LDAP_BACK_SENDERR ) ) {
+ if ( rs->sr_text == NULL ) rs->sr_text = "Proxy operation retry failed";
+ send_ldap_result( op, rs );
+ }
+ }
+
+ } else if ( op->o_conn &&
+ ( ( ( sendok & LDAP_BACK_SENDOK ) && LDAP_ERR_OK( rs->sr_err ) )
+ || ( ( sendok & LDAP_BACK_SENDERR ) && !LDAP_ERR_OK( rs->sr_err ) ) ) )
+ {
+ send_ldap_result( op, rs );
+ }
+ if ( matched ) {
+ op->o_tmpfree( (char *)rs->sr_matched, matched_ctx );
+ }
+ if ( text ) {
+ ldap_memfree( text );
+ }
+ if ( rs->sr_ref ) {
+ op->o_tmpfree( rs->sr_ref, op->o_tmpmemctx );
+ rs->sr_ref = NULL;
+ }
+ if ( refs ) {
+ ber_memvfree( (void **)refs );
+ }
+ if ( ctrls ) {
+ assert( rs->sr_ctrls != NULL );
+ ldap_controls_free( ctrls );
+ }
+
+ rs->sr_text = save_text;
+ rs->sr_matched = save_matched;
+ rs->sr_ref = save_ref;
+ rs->sr_ctrls = save_ctrls;
+
+ return( LDAP_ERR_OK( rs->sr_err ) ? LDAP_SUCCESS : rs->sr_err );
+}
+
+/*
+ * meta_back_proxy_authz_cred()
+ *
+ * prepares credentials & method for meta_back_proxy_authz_bind();
+ * or, if method is SASL, performs the SASL bind directly.
+ */
+int
+meta_back_proxy_authz_cred(
+ metaconn_t *mc,
+ int candidate,
+ Operation *op,
+ SlapReply *rs,
+ ldap_back_send_t sendok,
+ struct berval *binddn,
+ struct berval *bindcred,
+ int *method )
+{
+ metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
+ metatarget_t *mt = mi->mi_targets[ candidate ];
+ metasingleconn_t *msc = &mc->mc_conns[ candidate ];
+ struct berval ndn;
+ int dobind = 0;
+
+ /* don't proxyAuthz if protocol is not LDAPv3 */
+ switch ( mt->mt_version ) {
+ case LDAP_VERSION3:
+ break;
+
+ case 0:
+ if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) {
+ break;
+ }
+ /* fall thru */
+
+ default:
+ rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+ if ( sendok & LDAP_BACK_SENDERR ) {
+ send_ldap_result( op, rs );
+ }
+ LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
+ goto done;
+ }
+
+ if ( op->o_tag == LDAP_REQ_BIND ) {
+ ndn = op->o_req_ndn;
+
+ } else if ( !BER_BVISNULL( &op->o_conn->c_ndn ) ) {
+ ndn = op->o_conn->c_ndn;
+
+ } else {
+ ndn = op->o_ndn;
+ }
+ rs->sr_err = LDAP_SUCCESS;
+
+ /*
+ * FIXME: we need to let clients use proxyAuthz
+ * otherwise we cannot do symmetric pools of servers;
+ * we have to live with the fact that a user can
+ * authorize itself as any ID that is allowed
+ * by the authzTo directive of the "proxyauthzdn".
+ */
+ /*
+ * NOTE: current Proxy Authorization specification
+ * and implementation do not allow proxy authorization
+ * control to be provided with Bind requests
+ */
+ /*
+ * if no bind took place yet, but the connection is bound
+ * and the "proxyauthzdn" is set, then bind as
+ * "proxyauthzdn" and explicitly add the proxyAuthz
+ * control to every operation with the dn bound
+ * to the connection as control value.
+ */
+
+ /* bind as proxyauthzdn only if no idassert mode
+ * is requested, or if the client's identity
+ * is authorized */
+ switch ( mt->mt_idassert_mode ) {
+ case LDAP_BACK_IDASSERT_LEGACY:
+ if ( !BER_BVISNULL( &ndn ) && !BER_BVISEMPTY( &ndn ) ) {
+ if ( !BER_BVISNULL( &mt->mt_idassert_authcDN ) && !BER_BVISEMPTY( &mt->mt_idassert_authcDN ) )
+ {
+ *binddn = mt->mt_idassert_authcDN;
+ *bindcred = mt->mt_idassert_passwd;
+ dobind = 1;
+ }
+ }
+ break;
+
+ default:
+ /* NOTE: rootdn can always idassert */
+ if ( BER_BVISNULL( &ndn )
+ && mt->mt_idassert_authz == NULL
+ && !( mt->mt_idassert_flags & LDAP_BACK_AUTH_AUTHZ_ALL ) )
+ {
+ if ( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
+ rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
+ if ( sendok & LDAP_BACK_SENDERR ) {
+ send_ldap_result( op, rs );
+ }
+ LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
+ goto done;
+
+ }
+
+ rs->sr_err = LDAP_SUCCESS;
+ *binddn = slap_empty_bv;
+ *bindcred = slap_empty_bv;
+ break;
+
+ } else if ( mt->mt_idassert_authz && !be_isroot( op ) ) {
+ struct berval authcDN;
+
+ if ( BER_BVISNULL( &ndn ) ) {
+ authcDN = slap_empty_bv;
+
+ } else {
+ authcDN = ndn;
+ }
+ rs->sr_err = slap_sasl_matches( op, mt->mt_idassert_authz,
+ &authcDN, &authcDN );
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ if ( mt->mt_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
+ if ( sendok & LDAP_BACK_SENDERR ) {
+ send_ldap_result( op, rs );
+ }
+ LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
+ goto done;
+ }
+
+ rs->sr_err = LDAP_SUCCESS;
+ *binddn = slap_empty_bv;
+ *bindcred = slap_empty_bv;
+ break;
+ }
+ }
+
+ *binddn = mt->mt_idassert_authcDN;
+ *bindcred = mt->mt_idassert_passwd;
+ dobind = 1;
+ break;
+ }
+
+ if ( dobind && mt->mt_idassert_authmethod == LDAP_AUTH_SASL ) {
+#ifdef HAVE_CYRUS_SASL
+ void *defaults = NULL;
+ struct berval authzID = BER_BVNULL;
+ int freeauthz = 0;
+
+ /* if SASL supports native authz, prepare for it */
+ if ( ( !op->o_do_not_cache || !op->o_is_auth_check ) &&
+ ( mt->mt_idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) )
+ {
+ switch ( mt->mt_idassert_mode ) {
+ case LDAP_BACK_IDASSERT_OTHERID:
+ case LDAP_BACK_IDASSERT_OTHERDN:
+ authzID = mt->mt_idassert_authzID;
+ break;
+
+ case LDAP_BACK_IDASSERT_ANONYMOUS:
+ BER_BVSTR( &authzID, "dn:" );
+ break;
+
+ case LDAP_BACK_IDASSERT_SELF:
+ if ( BER_BVISNULL( &ndn ) ) {
+ /* connection is not authc'd, so don't idassert */
+ BER_BVSTR( &authzID, "dn:" );
+ break;
+ }
+ authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
+ authzID.bv_val = slap_sl_malloc( authzID.bv_len + 1, op->o_tmpmemctx );
+ AC_MEMCPY( authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
+ AC_MEMCPY( authzID.bv_val + STRLENOF( "dn:" ),
+ ndn.bv_val, ndn.bv_len + 1 );
+ freeauthz = 1;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ if ( mt->mt_idassert_secprops != NULL ) {
+ rs->sr_err = ldap_set_option( msc->msc_ld,
+ LDAP_OPT_X_SASL_SECPROPS,
+ (void *)mt->mt_idassert_secprops );
+
+ if ( rs->sr_err != LDAP_OPT_SUCCESS ) {
+ rs->sr_err = LDAP_OTHER;
+ if ( sendok & LDAP_BACK_SENDERR ) {
+ send_ldap_result( op, rs );
+ }
+ LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
+ goto done;
+ }
+ }
+
+ defaults = lutil_sasl_defaults( msc->msc_ld,
+ mt->mt_idassert_sasl_mech.bv_val,
+ mt->mt_idassert_sasl_realm.bv_val,
+ mt->mt_idassert_authcID.bv_val,
+ mt->mt_idassert_passwd.bv_val,
+ authzID.bv_val );
+ if ( defaults == NULL ) {
+ rs->sr_err = LDAP_OTHER;
+ LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
+ if ( sendok & LDAP_BACK_SENDERR ) {
+ send_ldap_result( op, rs );
+ }
+ goto done;
+ }
+
+ rs->sr_err = ldap_sasl_interactive_bind_s( msc->msc_ld, binddn->bv_val,
+ mt->mt_idassert_sasl_mech.bv_val, NULL, NULL,
+ LDAP_SASL_QUIET, lutil_sasl_interact,
+ defaults );
+
+ rs->sr_err = slap_map_api2result( rs );
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
+ if ( sendok & LDAP_BACK_SENDERR ) {
+ send_ldap_result( op, rs );
+ }
+
+ } else {
+ LDAP_BACK_CONN_ISBOUND_SET( msc );
+ }
+
+ lutil_sasl_freedefs( defaults );
+ if ( freeauthz ) {
+ slap_sl_free( authzID.bv_val, op->o_tmpmemctx );
+ }
+
+ goto done;
+#endif /* HAVE_CYRUS_SASL */
+ }
+
+ *method = mt->mt_idassert_authmethod;
+ switch ( mt->mt_idassert_authmethod ) {
+ case LDAP_AUTH_NONE:
+ BER_BVSTR( binddn, "" );
+ BER_BVSTR( bindcred, "" );
+ /* fallthru */
+
+ case LDAP_AUTH_SIMPLE:
+ break;
+
+ default:
+ /* unsupported! */
+ LDAP_BACK_CONN_ISBOUND_CLEAR( msc );
+ rs->sr_err = LDAP_AUTH_METHOD_NOT_SUPPORTED;
+ if ( sendok & LDAP_BACK_SENDERR ) {
+ send_ldap_result( op, rs );
}
- save_rmatch = rs->sr_matched;
- rs->sr_matched = rmatch;
+ break;
}
- send_ldap_result( op, rs );
- if ( rmsg != NULL ) {
- ber_memfree( rmsg );
- rs->sr_text = save_rmsg;
+
+done:;
+
+ if ( !BER_BVISEMPTY( binddn ) ) {
+ LDAP_BACK_CONN_ISIDASSERT_SET( msc );
}
- if ( rmatch != NULL ) {
- ber_memfree_x( rmatch, rmatch_ctx );
- rs->sr_matched = save_rmatch;
+
+ return rs->sr_err;
+}
+
+static int
+meta_back_proxy_authz_bind(
+ metaconn_t *mc,
+ int candidate,
+ Operation *op,
+ SlapReply *rs,
+ ldap_back_send_t sendok,
+ int dolock )
+{
+ metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
+ metatarget_t *mt = mi->mi_targets[ candidate ];
+ metasingleconn_t *msc = &mc->mc_conns[ candidate ];
+ struct berval binddn = BER_BVC( "" ),
+ cred = BER_BVC( "" );
+ int method = LDAP_AUTH_NONE,
+ rc;
+
+ rc = meta_back_proxy_authz_cred( mc, candidate, op, rs, sendok, &binddn, &cred, &method );
+ if ( rc == LDAP_SUCCESS && !LDAP_BACK_CONN_ISBOUND( msc ) ) {
+ int msgid;
+
+ switch ( method ) {
+ case LDAP_AUTH_NONE:
+ case LDAP_AUTH_SIMPLE:
+ for (;;) {
+ rs->sr_err = ldap_sasl_bind( msc->msc_ld,
+ binddn.bv_val, LDAP_SASL_SIMPLE,
+ &cred, NULL, NULL, &msgid );
+ if ( rs->sr_err != LDAP_X_CONNECTING ) {
+ break;
+ }
+ ldap_pvt_thread_yield();
+ }
+ rc = meta_back_bind_op_result( op, rs, mc, candidate, msgid, sendok, dolock );
+ if ( rc == LDAP_SUCCESS ) {
+ /* set rebind stuff in case of successful proxyAuthz bind,
+ * so that referral chasing is attempted using the right
+ * identity */
+ LDAP_BACK_CONN_ISBOUND_SET( msc );
+ ber_bvreplace( &msc->msc_bound_ndn, &binddn );
+
+ if ( META_BACK_TGT_SAVECRED( mt ) ) {
+ if ( !BER_BVISNULL( &msc->msc_cred ) ) {
+ memset( msc->msc_cred.bv_val, 0,
+ msc->msc_cred.bv_len );
+ }
+ ber_bvreplace( &msc->msc_cred, &cred );
+ ldap_set_rebind_proc( msc->msc_ld, mt->mt_rebind_f, msc );
+ }
+ }
+ break;
+
+ default:
+ assert( 0 );
+ break;
+ }
}
- return ( ( rerr == LDAP_SUCCESS ) ? 0 : -1 );
+ return LDAP_BACK_CONN_ISBOUND( msc );
+}
+
+/*
+ * Add controls;
+ *
+ * if any needs to be added, it is prepended to existing ones,
+ * in a newly allocated array. The companion function
+ * mi->mi_ldap_extra->controls_free() must be used to restore the original
+ * status of op->o_ctrls.
+ */
+int
+meta_back_controls_add(
+ Operation *op,
+ SlapReply *rs,
+ metaconn_t *mc,
+ int candidate,
+ LDAPControl ***pctrls )
+{
+ metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
+ metatarget_t *mt = mi->mi_targets[ candidate ];
+ metasingleconn_t *msc = &mc->mc_conns[ candidate ];
+
+ LDAPControl **ctrls = NULL;
+ /* set to the maximum number of controls this backend can add */
+ LDAPControl c[ 2 ] = {{ 0 }};
+ int n = 0, i, j1 = 0, j2 = 0;
+
+ *pctrls = NULL;
+
+ rs->sr_err = LDAP_SUCCESS;
+
+ /* don't add controls if protocol is not LDAPv3 */
+ switch ( mt->mt_version ) {
+ case LDAP_VERSION3:
+ break;
+
+ case 0:
+ if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) {
+ break;
+ }
+ /* fall thru */
+
+ default:
+ goto done;
+ }
+
+ /* put controls that go __before__ existing ones here */
+
+ /* proxyAuthz for identity assertion */
+ switch ( mi->mi_ldap_extra->proxy_authz_ctrl( op, rs, &msc->msc_bound_ndn,
+ mt->mt_version, &mt->mt_idassert, &c[ j1 ] ) )
+ {
+ case SLAP_CB_CONTINUE:
+ break;
+
+ case LDAP_SUCCESS:
+ j1++;
+ break;
+
+ default:
+ goto done;
+ }
+
+ /* put controls that go __after__ existing ones here */
+
+#ifdef SLAP_CONTROL_X_SESSION_TRACKING
+ /* session tracking */
+ if ( META_BACK_TGT_ST_REQUEST( mt ) ) {
+ switch ( slap_ctrl_session_tracking_request_add( op, rs, &c[ j1 + j2 ] ) ) {
+ case SLAP_CB_CONTINUE:
+ break;
+
+ case LDAP_SUCCESS:
+ j2++;
+ break;
+
+ default:
+ goto done;
+ }
+ }
+#endif /* SLAP_CONTROL_X_SESSION_TRACKING */
+
+ if ( rs->sr_err == SLAP_CB_CONTINUE ) {
+ rs->sr_err = LDAP_SUCCESS;
+ }
+
+ /* if nothing to do, just bail out */
+ if ( j1 == 0 && j2 == 0 ) {
+ goto done;
+ }
+
+ assert( j1 + j2 <= (int) (sizeof( c )/sizeof( c[0] )) );
+
+ if ( op->o_ctrls ) {
+ for ( n = 0; op->o_ctrls[ n ]; n++ )
+ /* just count ctrls */ ;
+ }
+
+ ctrls = op->o_tmpalloc( (n + j1 + j2 + 1) * sizeof( LDAPControl * ) + ( j1 + j2 ) * sizeof( LDAPControl ),
+ op->o_tmpmemctx );
+ if ( j1 ) {
+ ctrls[ 0 ] = (LDAPControl *)&ctrls[ n + j1 + j2 + 1 ];
+ *ctrls[ 0 ] = c[ 0 ];
+ for ( i = 1; i < j1; i++ ) {
+ ctrls[ i ] = &ctrls[ 0 ][ i ];
+ *ctrls[ i ] = c[ i ];
+ }
+ }
+
+ i = 0;
+ if ( op->o_ctrls ) {
+ for ( i = 0; op->o_ctrls[ i ]; i++ ) {
+ ctrls[ i + j1 ] = op->o_ctrls[ i ];
+ }
+ }
+
+ n += j1;
+ if ( j2 ) {
+ ctrls[ n ] = (LDAPControl *)&ctrls[ n + j2 + 1 ] + j1;
+ *ctrls[ n ] = c[ j1 ];
+ for ( i = 1; i < j2; i++ ) {
+ ctrls[ n + i ] = &ctrls[ n ][ i ];
+ *ctrls[ n + i ] = c[ i ];
+ }
+ }
+
+ ctrls[ n + j2 ] = NULL;
+
+done:;
+ if ( ctrls == NULL ) {
+ ctrls = op->o_ctrls;
+ }
+
+ *pctrls = ctrls;
+
+ return rs->sr_err;
}
projects / openldap / blobdiff