#include <stdio.h>
+#include <ac/errno.h>
#include <ac/socket.h>
#include <ac/string.h>
static int
meta_back_single_bind(
- Operation *op,
- SlapReply *rs,
- struct metaconn *mc,
- int candidate );
+ Operation *op,
+ SlapReply *rs,
+ metaconn_t *mc,
+ int candidate );
int
meta_back_bind( Operation *op, SlapReply *rs )
{
- struct metainfo *li = ( struct metainfo * )op->o_bd->be_private;
- struct metaconn *mc;
+ metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
+ metaconn_t *mc = NULL;
int rc = LDAP_OTHER,
i, gotit = 0, isroot = 0;
Debug( LDAP_DEBUG_ARGS, "meta_back_bind: dn: %s.\n%s%s",
op->o_req_dn.bv_val, "", "" );
- if ( op->orb_method == LDAP_AUTH_SIMPLE && be_isroot_pw( op ) ) {
+ 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;
+ }
isroot = 1;
- ber_dupbv( &op->orb_edn, be_root_dn( op->o_bd ) );
}
/* we need meta_back_getconn() not send result even on error,
* Each target is scanned ...
*/
mc->mc_auth_target = META_BOUND_NONE;
- for ( i = 0; i < li->mi_ntargets; i++ ) {
+ for ( i = 0; i < mi->mi_ntargets; i++ ) {
int lerr;
Operation op2 = *op;
0, 0, 0 );
}
- if ( isroot && !BER_BVISNULL( &li->mi_targets[ i ]->mt_pseudorootdn ) )
+ if ( isroot && !BER_BVISNULL( &mi->mi_targets[ i ].mt_pseudorootdn ) )
{
- op2.o_req_dn = li->mi_targets[ i ]->mt_pseudorootdn;
- op2.o_req_ndn = li->mi_targets[ i ]->mt_pseudorootdn;
- op2.orb_cred = li->mi_targets[ i ]->mt_pseudorootpw;
+ op2.o_req_dn = mi->mi_targets[ i ].mt_pseudorootdn;
+ op2.o_req_ndn = mi->mi_targets[ i ].mt_pseudorootdn;
+ op2.orb_cred = mi->mi_targets[ i ].mt_pseudorootpw;
op2.orb_method = LDAP_AUTH_SIMPLE;
}
rs->sr_err = lerr;
candidates[ i ].sr_tag = META_NOT_CANDIDATE;
+ if ( META_BACK_ONERR_STOP( mi ) ) {
+ rc = rs->sr_err;
+ break;
+ }
+
} else {
rc = LDAP_SUCCESS;
}
}
- if ( isroot ) {
+ if ( isroot && rc == LDAP_SUCCESS ) {
mc->mc_auth_target = META_BOUND_ALL;
+ ber_dupbv( &op->orb_edn, be_root_dn( op->o_bd ) );
}
+ meta_back_release_conn( op, mc );
+
/*
* rc is LDAP_SUCCESS if at least one bind succeeded,
* err is the last error that occurred during a bind;
*/
static int
meta_back_single_bind(
- Operation *op,
- SlapReply *rs,
- struct metaconn *mc,
- int candidate
-)
+ Operation *op,
+ SlapReply *rs,
+ metaconn_t *mc,
+ int candidate )
{
- struct metainfo *li = ( struct metainfo * )op->o_bd->be_private;
+ metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
+ metatarget_t *mt = &mi->mi_targets[ candidate ];
struct berval mdn = BER_BVNULL;
dncookie dc;
- struct metasingleconn *msc = &mc->mc_conns[ candidate ];
- int msgid;
+ metasingleconn_t *msc = &mc->mc_conns[ candidate ];
+ int msgid,
+ rebinding = 0;
/*
* Rewrite the bind dn if needed
*/
- dc.rwmap = &li->mi_targets[ candidate ]->mt_rwmap;
+ dc.target = &mi->mi_targets[ candidate ];
dc.conn = op->o_conn;
dc.rs = rs;
dc.ctx = "bindDN";
* and more in case of failure ... */
/* FIXME: should be check if at least some of the op->o_ctrls
* can/should be passed? */
+rebind:;
rs->sr_err = ldap_sasl_bind( msc->msc_ld, mdn.bv_val,
LDAP_SASL_SIMPLE, &op->orb_cred,
op->o_ctrls, NULL, &msgid );
if ( rs->sr_err == LDAP_SUCCESS ) {
LDAPMessage *res;
- struct timeval tv = { 0, 0 };
+ struct timeval tv = { 0, 100000 };
int rc;
- int nretries = META_BIND_NRETRIES;
+ int nretries = mt->mt_nretries;
/*
* handle response!!!
*/
retry:;
+ tv.tv_sec = 0;
+ tv.tv_usec = META_BIND_TIMEOUT;
switch ( ldap_result( msc->msc_ld, msgid, 0, &tv, &res ) ) {
case 0:
- if ( nretries > 0 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s meta_back_single_bind: "
+ "ldap_result=0 nretries=%d%s\n",
+ op->o_log_prefix, nretries,
+ rebinding ? " rebinding" : "" );
+
+ if ( nretries != META_RETRY_NEVER ) {
ldap_pvt_thread_yield();
+ if ( nretries > 0 ) {
+ nretries--;
+ }
tv.tv_sec = 0;
- tv.tv_usec = META_BIND_TIMEOUT;
- nretries--;
+ tv.tv_usec = 100000;
goto retry;
}
rs->sr_err = LDAP_BUSY;
- break;
+ if ( rebinding ) {
+ ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
+ break;
+ }
+
+ /* FIXME: some times the request times out
+ * while the other party is not willing to
+ * send a response any more. Give it a second
+ * chance with a freshly bound connection */
+ rebinding = 1;
+ nretries = mt->mt_nretries;
+ /* fallthru */
case -1:
ldap_get_option( msc->msc_ld, LDAP_OPT_ERROR_NUMBER,
&rs->sr_err );
- if ( rs->sr_err == LDAP_UNAVAILABLE && nretries > 0 ) {
- nretries--;
- if ( meta_back_retry( op, rs, mc, candidate, LDAP_BACK_SENDERR ) ) {
- goto retry;
+
+ if ( rebinding ) {
+ ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
+ }
+
+ Debug( LDAP_DEBUG_ANY,
+ "### %s meta_back_single_bind: "
+ "err=%d nretries=%d\n",
+ op->o_log_prefix, rs->sr_err, nretries );
+
+ rc = slap_map_api2result( rs );
+ if ( rs->sr_err == LDAP_UNAVAILABLE && nretries != META_RETRY_NEVER ) {
+ ldap_pvt_thread_mutex_lock( &mi->mi_conn_mutex );
+ if ( mc->mc_refcnt == 1 ) {
+ ldap_unbind_ext_s( msc->msc_ld, NULL, NULL );
+ msc->msc_ld = NULL;
+ msc->msc_bound = 0;
+
+ ( void )rewrite_session_delete( mt->mt_rwmap.rwm_rw, op->o_conn );
+
+ /* mc here must be the regular mc,
+ * reset and ready for init */
+ rc = meta_back_init_one_conn( op, rs,
+ mt, msc, LDAP_BACK_DONTSEND );
+
+ } else {
+ /* can't do anything about it */
+ rc = 0;
+ }
+
+ ldap_pvt_thread_mutex_unlock( &mi->mi_conn_mutex );
+
+ if ( rc ) {
+ if ( nretries > 0 ) {
+ nretries--;
+ }
+ ldap_pvt_thread_yield();
+ goto rebind;
}
}
break;
msc->msc_bound = META_BOUND;
mc->mc_auth_target = candidate;
- if ( LDAP_BACK_SAVECRED( li ) ) {
+ if ( LDAP_BACK_SAVECRED( mi ) ) {
ber_bvreplace( &msc->msc_cred, &op->orb_cred );
ldap_set_rebind_proc( msc->msc_ld, meta_back_rebind, msc );
}
- if ( li->mi_cache.ttl != META_DNCACHE_DISABLED
+ if ( mi->mi_cache.ttl != META_DNCACHE_DISABLED
&& op->o_req_ndn.bv_len != 0 )
{
- ( void )meta_dncache_update_entry( &li->mi_cache,
+ ( void )meta_dncache_update_entry( &mi->mi_cache,
&op->o_req_ndn, candidate );
}
int
meta_back_single_dobind(
Operation *op,
- struct metasingleconn *msc,
+ SlapReply *rs,
+ metaconn_t *mc,
+ int candidate,
ldap_back_send_t sendok,
- int retries )
+ int nretries,
+ int dolock )
{
- int rc;
- struct berval cred = BER_BVC( "" );
- int msgid;
+ metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
+ metatarget_t *mt = &mi->mi_targets[ candidate ];
+ metasingleconn_t *msc = &mc->mc_conns[ candidate ];
+ int rc;
+ struct berval cred = BER_BVC( "" );
+ int msgid,
+ rebinding = 0,
+ save_nretries = nretries;
/*
* Otherwise an anonymous bind is performed
BER_BVZERO( &msc->msc_bound_ndn );
}
- if ( /* FIXME: need li ... li->savecred && */
- !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 );
ber_memfree( msc->msc_cred.bv_val );
/* FIXME: should we check if at least some of the op->o_ctrls
* can/should be passed? */
+rebind:;
rc = ldap_sasl_bind( msc->msc_ld, "", LDAP_SASL_SIMPLE, &cred,
NULL, NULL, &msgid );
if ( rc == LDAP_SUCCESS ) {
LDAPMessage *res;
- struct timeval tv = { 0, 0 };
- int err;
+ struct timeval tv = { 0, 100000 };
/*
* handle response!!!
*/
retry:;
+ tv.tv_sec = 0;
+ tv.tv_usec = META_BIND_TIMEOUT;
switch ( ldap_result( msc->msc_ld, msgid, 0, &tv, &res ) ) {
case 0:
- if ( retries > 0 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s meta_back_single_dobind: "
+ "ldap_result=0 nretries=%d%s\n",
+ op->o_log_prefix, nretries,
+ rebinding ? " rebinding" : "" );
+
+ if ( nretries != META_RETRY_NEVER ) {
ldap_pvt_thread_yield();
+ if ( nretries > 0 ) {
+ nretries--;
+ }
tv.tv_sec = 0;
- tv.tv_usec = META_BIND_TIMEOUT;
- retries--;
+ tv.tv_usec = 100000;
goto retry;
}
rc = LDAP_BUSY;
- break;
+ if ( rebinding ) {
+ ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
+ break;
+ }
+
+ /* FIXME: some times the request times out
+ * while the other party is not willing to
+ * send a response any more. Give it a second
+ * chance with a freshly bound connection */
+ rebinding = 1;
+ nretries = save_nretries;
+ /* fallthru */
case -1:
ldap_get_option( msc->msc_ld,
- LDAP_OPT_ERROR_NUMBER, &rc );
+ LDAP_OPT_ERROR_NUMBER, &rs->sr_err );
+
+ if ( rebinding ) {
+ ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
+ }
+
+ Debug( LDAP_DEBUG_ANY,
+ "### %s meta_back_single_dobind: "
+ "err=%d nretries=%d\n",
+ op->o_log_prefix, rs->sr_err, nretries );
+
+ rc = slap_map_api2result( rs );
+ if ( rc == LDAP_UNAVAILABLE && nretries != META_RETRY_NEVER ) {
+ if ( dolock ) {
+ ldap_pvt_thread_mutex_lock( &mi->mi_conn_mutex );
+ }
+
+ if ( mc->mc_refcnt == 1 ) {
+ ldap_unbind_ext_s( msc->msc_ld, NULL, NULL );
+ msc->msc_ld = NULL;
+ msc->msc_bound = 0;
+
+ ( void )rewrite_session_delete( mt->mt_rwmap.rwm_rw, op->o_conn );
+
+ /* mc here must be the regular mc,
+ * reset and ready for init */
+ rc = meta_back_init_one_conn( op, rs,
+ mt, msc, LDAP_BACK_DONTSEND );
+
+
+ } else {
+ /* can't do anything about it */
+ rc = LDAP_UNAVAILABLE;
+ }
+
+ if ( dolock ) {
+ ldap_pvt_thread_mutex_unlock( &mi->mi_conn_mutex );
+ }
+
+ if ( rc == LDAP_SUCCESS ) {
+ ldap_pvt_thread_yield();
+ if ( nretries > 0 ) {
+ nretries--;
+ }
+ goto rebind;
+ }
+ }
break;
default:
- rc = ldap_parse_result( msc->msc_ld, res, &err,
+ rc = ldap_parse_result( msc->msc_ld, res, &rs->sr_err,
NULL, NULL, NULL, NULL, 1 );
if ( rc == LDAP_SUCCESS ) {
- rc = err;
+ rc = slap_map_api2result( rs );
}
break;
}
+
+ } else {
+ rs->sr_err = rc;
+ rc = slap_map_api2result( rs );
+ }
+
+ rs->sr_err = rc;
+ if ( rc != LDAP_SUCCESS && ( sendok & LDAP_BACK_SENDERR ) ) {
+ send_ldap_result( op, rs );
}
return rc;
* meta_back_dobind
*/
int
-meta_back_dobind( struct metaconn *mc, Operation *op, ldap_back_send_t sendok )
+meta_back_dobind(
+ Operation *op,
+ SlapReply *rs,
+ metaconn_t *mc,
+ ldap_back_send_t sendok )
{
- struct metasingleconn *msc;
- int bound = 0, i;
+ metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
+
+ int bound = 0,
+ i,
+ isroot = 0;
SlapReply *candidates = meta_back_candidates_get( op );
+ if ( be_isroot( op ) ) {
+ isroot = 1;
+ }
+
+ Debug( LDAP_DEBUG_TRACE,
+ "%s meta_back_dobind: conn=%ld%s\n",
+ op->o_log_prefix, mc->mc_conn->c_connid,
+ isroot ? " (isroot)" : "" );
+
ldap_pvt_thread_mutex_lock( &mc->mc_mutex );
/*
goto done;
}
- for ( i = 0, msc = &mc->mc_conns[ 0 ]; !META_LAST( msc ); ++i, ++msc ) {
- int rc;
+ for ( i = 0; i < mi->mi_ntargets; i++ ) {
+ metatarget_t *mt = &mi->mi_targets[ i ];
+ metasingleconn_t *msc = &mc->mc_conns[ i ];
+ int rc;
/*
- * Not a candidate or something wrong with this target ...
+ * Not a candidate
*/
- if ( msc->msc_ld == NULL ) {
+ if ( candidates[ i ].sr_tag != META_CANDIDATE ) {
continue;
}
+ assert( msc->msc_ld != NULL );
+
/*
* If the target is already bound it is skipped
*/
if ( msc->msc_bound == META_BOUND && mc->mc_auth_target == i ) {
++bound;
+
+ Debug( LDAP_DEBUG_TRACE, "%s meta_back_dobind[%d]: "
+ "authcTarget\n",
+ op->o_log_prefix, i, 0 );
continue;
}
- rc = meta_back_single_dobind( op, msc, sendok, META_BIND_NRETRIES );
+ if ( isroot && !BER_BVISNULL( &mi->mi_targets[ i ].mt_pseudorootdn ) )
+ {
+ Operation op2 = *op;
+
+ op2.o_tag = LDAP_REQ_BIND;
+ op2.o_req_dn = mi->mi_targets[ i ].mt_pseudorootdn;
+ op2.o_req_ndn = mi->mi_targets[ i ].mt_pseudorootdn;
+ op2.orb_cred = mi->mi_targets[ i ].mt_pseudorootpw;
+ op2.orb_method = LDAP_AUTH_SIMPLE;
+
+ rc = meta_back_single_bind( &op2, rs, mc, i );
+
+ } else {
+ rc = meta_back_single_dobind( op, rs, mc, i,
+ LDAP_BACK_DONTSEND, mt->mt_nretries, 1 );
+ }
+
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY, "%s meta_back_dobind[%d]: "
"(anonymous) err=%d\n",
* due to technical reasons (remote host down?)
* so better clear the handle
*/
- candidates[ i ].sr_tag = META_NOT_CANDIDATE;
-#if 0
- ( void )meta_clear_one_candidate( msc );
-#endif
+ /* leave the target candidate, but record the error for later use */
+ candidates[ i ].sr_err = rc;
+ if ( META_BACK_ONERR_STOP( mi ) ) {
+ bound = 0;
+ goto done;
+ }
continue;
} /* else */
- candidates[ i ].sr_tag = META_CANDIDATE;
+ Debug( LDAP_DEBUG_TRACE, "%s meta_back_dobind[%d]: "
+ "(anonymous)\n",
+ op->o_log_prefix, i, 0 );
+
msc->msc_bound = META_ANONYMOUS;
++bound;
}
done:;
ldap_pvt_thread_mutex_unlock( &mc->mc_mutex );
+ Debug( LDAP_DEBUG_TRACE,
+ "%s meta_back_dobind: conn=%ld bound=%d\n",
+ op->o_log_prefix, mc->mc_conn->c_connid, bound );
+
+ if ( bound == 0 ) {
+ meta_back_release_conn( op, mc );
+
+ if ( sendok & LDAP_BACK_SENDERR ) {
+ if ( rs->sr_err == LDAP_SUCCESS ) {
+ rs->sr_err = LDAP_BUSY;
+ }
+ send_ldap_result( op, rs );
+ }
+ }
+
return( bound > 0 );
}
* 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 )
+meta_back_rebind(
+ LDAP *ld,
+ LDAP_CONST char *url,
+ ber_tag_t request,
+ ber_int_t msgid,
+ void *params )
{
- struct metasingleconn *msc = (struct metasingleconn *)params;
+ metasingleconn_t *msc = ( metasingleconn_t * )params;
return ldap_sasl_bind_s( ld, msc->msc_bound_ndn.bv_val,
LDAP_SASL_SIMPLE, &msc->msc_cred,
*/
int
meta_back_op_result(
- struct metaconn *mc,
+ metaconn_t *mc,
Operation *op,
SlapReply *rs,
int candidate )
{
+ metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
+
int i,
rerr = LDAP_SUCCESS;
- struct metasingleconn *msc;
- char *rmsg = NULL;
- char *rmatch = NULL;
- int free_rmsg = 0,
- free_rmatch = 0;
+ char *rmsg = NULL,
+ *rmatch = NULL;
+ const char *save_rmsg = NULL,
+ *save_rmatch = NULL;
+ void *rmatch_ctx = NULL;
if ( candidate != META_TARGET_NONE ) {
- msc = &mc->mc_conns[ candidate ];
+ metasingleconn_t *msc = &mc->mc_conns[ candidate ];
rs->sr_err = LDAP_SUCCESS;
*/
ldap_get_option( msc->msc_ld,
LDAP_OPT_ERROR_STRING, &rmsg );
+ if ( rmsg != NULL && rmsg[ 0 ] == '\0' ) {
+ ldap_memfree( rmsg );
+ rmsg = NULL;
+ }
+
ldap_get_option( msc->msc_ld,
LDAP_OPT_MATCHED_DN, &rmatch );
- rerr = rs->sr_err = slap_map_api2result( rs );
-
- if ( rmsg ) {
- free_rmsg = 1;
- }
- if ( rmatch ) {
- free_rmatch = 1;
+ if ( rmatch != NULL && rmatch[ 0 ] == '\0' ) {
+ ldap_memfree( rmatch );
+ rmatch = NULL;
}
+ rerr = rs->sr_err = slap_map_api2result( rs );
+
Debug(LDAP_DEBUG_ANY,
"==> meta_back_op_result: target"
" <%d> sending msg \"%s\""
}
} else {
- for ( i = 0, msc = &mc->mc_conns[ 0 ]; !META_LAST( msc ); ++i, ++msc ) {
- char *msg = NULL;
- char *match = NULL;
+ for ( i = 0; i < mi->mi_ntargets; i++ ) {
+ metasingleconn_t *msc = &mc->mc_conns[ i ];
+ char *msg = NULL;
+ char *match = NULL;
rs->sr_err = LDAP_SUCCESS;
*/
ldap_get_option( msc->msc_ld,
LDAP_OPT_ERROR_STRING, &msg );
+ if ( msg != NULL && msg[ 0 ] == '\0' ) {
+ ldap_memfree( msg );
+ msg = NULL;
+ }
+
ldap_get_option( msc->msc_ld,
LDAP_OPT_MATCHED_DN, &match );
+ if ( match != NULL && match[ 0 ] == '\0' ) {
+ ldap_memfree( match );
+ match = NULL;
+ }
+
rs->sr_err = slap_map_api2result( rs );
Debug(LDAP_DEBUG_ANY,
switch ( rs->sr_err ) {
default:
rerr = rs->sr_err;
- if ( rmsg ) {
- ber_memfree( rmsg );
+ if ( msg != NULL ) {
+ if ( rmsg ) {
+ ldap_memfree( rmsg );
+ }
+ rmsg = msg;
+ msg = NULL;
}
- rmsg = msg;
- free_rmsg = 1;
- msg = NULL;
- if ( rmatch ) {
- ber_memfree( rmatch );
+ if ( match != NULL ) {
+ if ( rmatch ) {
+ ldap_memfree( rmatch );
+ }
+ rmatch = match;
+ match = NULL;
}
- rmatch = match;
- free_rmatch = 1;
- match = NULL;
break;
}
+
+ if ( msg ) {
+ ldap_memfree( msg );
+ }
- /* better test the pointers before freeing? */
if ( match ) {
- free( match );
- }
- if ( msg ) {
- free( msg );
+ ldap_memfree( match );
}
}
}
}
rs->sr_err = rerr;
- rs->sr_text = rmsg;
- rs->sr_matched = rmatch;
+ if ( rmsg != NULL ) {
+ save_rmsg = rs->sr_text;
+ rs->sr_text = rmsg;
+ }
+ if ( rmatch != NULL ) {
+ struct berval dn, pdn;
+
+ ber_str2bv( rmatch, 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;
+ }
+ save_rmatch = rs->sr_matched;
+ rs->sr_matched = rmatch;
+ }
send_ldap_result( op, rs );
- if ( free_rmsg ) {
+ if ( rmsg != NULL ) {
ber_memfree( rmsg );
+ rs->sr_text = save_rmsg;
}
- if ( free_rmatch ) {
- ber_memfree( rmatch );
+ if ( rmatch != NULL ) {
+ ber_memfree_x( rmatch, rmatch_ctx );
+ rs->sr_matched = save_rmatch;
}
- rs->sr_text = NULL;
- rs->sr_matched = NULL;
return ( ( rerr == LDAP_SUCCESS ) ? 0 : -1 );
}