static int ldap_back_exop_generic( Operation *op, SlapReply *rs, ldapconn_t **lcp ) { ldapinfo_t *li = (ldapinfo_t *) op->o_bd->be_private; ldapconn_t *lc = *lcp; LDAPMessage *res; ber_int_t msgid; int rc; int do_retry = 1; char *text = NULL; Debug( LDAP_DEBUG_ARGS, "==> ldap_back_exop_generic(%s, \"%s\")\n", op->ore_reqoid.bv_val, op->o_req_dn.bv_val, 0 ); assert( lc != NULL ); assert( rs->sr_ctrls == NULL ); retry: rc = ldap_extended_operation( lc->lc_ld, op->ore_reqoid.bv_val, op->ore_reqdata, op->o_ctrls, NULL, &msgid ); if ( rc == LDAP_SUCCESS ) { /* TODO: set timeout? */ /* by now, make sure no timeout is used (ITS#6282) */ struct timeval tv = { -1, 0 }; if ( ldap_result( lc->lc_ld, msgid, LDAP_MSG_ALL, &tv, &res ) == -1 ) { ldap_get_option( lc->lc_ld, LDAP_OPT_ERROR_NUMBER, &rc ); rs->sr_err = rc; } else { /* only touch when activity actually took place... */ if ( li->li_idle_timeout ) { lc->lc_time = op->o_time; } /* sigh. parse twice, because parse_passwd * doesn't give us the err / match / msg info. */ rc = ldap_parse_result( lc->lc_ld, res, &rs->sr_err, (char **)&rs->sr_matched, &text, NULL, &rs->sr_ctrls, 0 ); if ( rc == LDAP_SUCCESS ) { if ( rs->sr_err == LDAP_SUCCESS ) { rc = ldap_parse_extended_result( lc->lc_ld, res, (char **)&rs->sr_rspoid, &rs->sr_rspdata, 0 ); if ( rc == LDAP_SUCCESS ) { rs->sr_type = REP_EXTENDED; } } else { rc = rs->sr_err; } } ldap_msgfree( res ); } } if ( rc != LDAP_SUCCESS ) { rs->sr_err = slap_map_api2result( rs ); if ( rs->sr_err == LDAP_UNAVAILABLE && do_retry ) { do_retry = 0; if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) { goto retry; } } if ( LDAP_BACK_QUARANTINE( li ) ) { ldap_back_quarantine( op, rs ); } if ( text ) rs->sr_text = text; send_ldap_extended( op, rs ); /* otherwise frontend resends result */ rc = rs->sr_err = SLAPD_ABANDON; } else if ( LDAP_BACK_QUARANTINE( li ) ) { ldap_back_quarantine( op, rs ); } ldap_pvt_thread_mutex_lock( &li->li_counter_mutex ); ldap_pvt_mp_add( li->li_ops_completed[ SLAP_OP_EXTENDED ], 1 ); ldap_pvt_thread_mutex_unlock( &li->li_counter_mutex ); /* these have to be freed anyway... */ if ( rs->sr_matched ) { free( (char *)rs->sr_matched ); rs->sr_matched = NULL; } if ( rs->sr_ctrls ) { ldap_controls_free( rs->sr_ctrls ); rs->sr_ctrls = NULL; } if ( text ) { free( text ); rs->sr_text = NULL; } /* in case, cleanup handler */ if ( lc == NULL ) { *lcp = NULL; } return rc; }
int asyncmeta_handle_search_msg(LDAPMessage *res, a_metaconn_t *mc, bm_context_t *bc, int candidate) { a_metainfo_t *mi; a_metatarget_t *mt; a_metasingleconn_t *msc; Operation *op = bc->op; SlapReply *rs; int i, rc = LDAP_SUCCESS, sres; SlapReply *candidates; char **references = NULL; LDAPControl **ctrls = NULL; a_dncookie dc; LDAPMessage *msg; ber_int_t id; rs = &bc->rs; mi = mc->mc_info; mt = mi->mi_targets[ candidate ]; msc = &mc->mc_conns[ candidate ]; dc.op = op; dc.target = mt; dc.to_from = MASSAGE_REP; id = ldap_msgid(res); candidates = bc->candidates; i = candidate; while (res && !META_BACK_CONN_INVALID(msc)) { for (msg = ldap_first_message(msc->msc_ldr, res); msg; msg = ldap_next_message(msc->msc_ldr, msg)) { switch(ldap_msgtype(msg)) { case LDAP_RES_SEARCH_ENTRY: Debug( LDAP_DEBUG_TRACE, "%s asyncmeta_handle_search_msg: msc %p entry\n", op->o_log_prefix, msc ); if ( candidates[ i ].sr_type == REP_INTERMEDIATE ) { /* don't retry any more... */ candidates[ i ].sr_type = REP_RESULT; } /* count entries returned by target */ candidates[ i ].sr_nentries++; if (bc->c_peer_name.bv_val == op->o_conn->c_peer_name.bv_val && !op->o_abandon) { rs->sr_err = asyncmeta_send_entry( &bc->copy_op, rs, mc, i, msg ); } else { goto err_cleanup; } switch ( rs->sr_err ) { case LDAP_SIZELIMIT_EXCEEDED: asyncmeta_send_ldap_result(bc, op, rs); rs->sr_err = LDAP_SUCCESS; goto err_cleanup; case LDAP_UNAVAILABLE: rs->sr_err = LDAP_OTHER; break; default: break; } bc->is_ok++; break; case LDAP_RES_SEARCH_REFERENCE: if ( META_BACK_TGT_NOREFS( mt ) ) { rs->sr_err = LDAP_OTHER; asyncmeta_send_ldap_result(bc, op, rs); goto err_cleanup; } if ( candidates[ i ].sr_type == REP_INTERMEDIATE ) { /* don't retry any more... */ candidates[ i ].sr_type = REP_RESULT; } bc->is_ok++; rc = ldap_parse_reference( msc->msc_ldr, msg, &references, &rs->sr_ctrls, 0 ); if ( rc != LDAP_SUCCESS || references == NULL ) { rs->sr_err = LDAP_OTHER; asyncmeta_send_ldap_result(bc, op, rs); goto err_cleanup; } /* FIXME: merge all and return at the end */ { int cnt; for ( cnt = 0; references[ cnt ]; cnt++ ) ; rs->sr_ref = ber_memalloc_x( sizeof( struct berval ) * ( cnt + 1 ), op->o_tmpmemctx ); for ( cnt = 0; references[ cnt ]; cnt++ ) { ber_str2bv_x( references[ cnt ], 0, 1, &rs->sr_ref[ cnt ], op->o_tmpmemctx ); } BER_BVZERO( &rs->sr_ref[ cnt ] ); } { dc.memctx = op->o_tmpmemctx; ( void )asyncmeta_referral_result_rewrite( &dc, rs->sr_ref ); } if ( rs->sr_ref != NULL ) { if (!BER_BVISNULL( &rs->sr_ref[ 0 ] ) ) { /* ignore return value by now */ ( void )send_search_reference( op, rs ); } ber_bvarray_free_x( rs->sr_ref, op->o_tmpmemctx ); rs->sr_ref = NULL; } /* cleanup */ if ( references ) { ber_memvfree( (void **)references ); } if ( rs->sr_ctrls ) { ldap_controls_free( rs->sr_ctrls ); rs->sr_ctrls = NULL; } break; case LDAP_RES_INTERMEDIATE: if ( candidates[ i ].sr_type == REP_INTERMEDIATE ) { /* don't retry any more... */ candidates[ i ].sr_type = REP_RESULT; } bc->is_ok++; /* FIXME: response controls * are passed without checks */ rs->sr_err = ldap_parse_intermediate( msc->msc_ldr, msg, (char **)&rs->sr_rspoid, &rs->sr_rspdata, &rs->sr_ctrls, 0 ); if ( rs->sr_err != LDAP_SUCCESS ) { candidates[ i ].sr_type = REP_RESULT; rs->sr_err = LDAP_OTHER; asyncmeta_send_ldap_result(bc, op, rs); goto err_cleanup; } slap_send_ldap_intermediate( op, rs ); if ( rs->sr_rspoid != NULL ) { ber_memfree( (char *)rs->sr_rspoid ); rs->sr_rspoid = NULL; } if ( rs->sr_rspdata != NULL ) { ber_bvfree( rs->sr_rspdata ); rs->sr_rspdata = NULL; } if ( rs->sr_ctrls != NULL ) { ldap_controls_free( rs->sr_ctrls ); rs->sr_ctrls = NULL; } break; case LDAP_RES_SEARCH_RESULT: if ( mi->mi_idle_timeout != 0 ) { asyncmeta_set_msc_time(msc); } Debug( LDAP_DEBUG_TRACE, "%s asyncmeta_handle_search_msg: msc %p result\n", op->o_log_prefix, msc ); candidates[ i ].sr_type = REP_RESULT; candidates[ i ].sr_msgid = META_MSGID_IGNORE; /* NOTE: ignores response controls * (and intermediate response controls * as well, except for those with search * references); this may not be correct, * but if they're not ignored then * back-meta would need to merge them * consistently (think of pagedResults...) */ /* FIXME: response controls? */ rs->sr_err = ldap_parse_result( msc->msc_ldr, msg, &candidates[ i ].sr_err, (char **)&candidates[ i ].sr_matched, (char **)&candidates[ i ].sr_text, &references, &ctrls /* &candidates[ i ].sr_ctrls (unused) */ , 0 ); if ( rs->sr_err != LDAP_SUCCESS ) { candidates[ i ].sr_err = rs->sr_err; sres = slap_map_api2result( &candidates[ i ] ); candidates[ i ].sr_type = REP_RESULT; goto finish; } rs->sr_err = candidates[ i ].sr_err; /* massage matchedDN if need be */ if ( candidates[ i ].sr_matched != NULL ) { struct berval match, mmatch; ber_str2bv( candidates[ i ].sr_matched, 0, 0, &match ); candidates[ i ].sr_matched = NULL; dc.memctx = NULL; asyncmeta_dn_massage( &dc, &match, &mmatch ); if ( mmatch.bv_val == match.bv_val ) { candidates[ i ].sr_matched = ch_strdup( mmatch.bv_val ); } else { candidates[ i ].sr_matched = mmatch.bv_val; } bc->candidate_match++; ldap_memfree( match.bv_val ); } /* add references to array */ /* RFC 4511: referrals can only appear * if result code is LDAP_REFERRAL */ if ( references != NULL && references[ 0 ] != NULL && references[ 0 ][ 0 ] != '\0' ) { if ( rs->sr_err != LDAP_REFERRAL ) { Debug( LDAP_DEBUG_ANY, "%s asncmeta_search_result[%d]: " "got referrals with err=%d\n", op->o_log_prefix, i, rs->sr_err ); } else { BerVarray sr_ref; int cnt; for ( cnt = 0; references[ cnt ]; cnt++ ) ; sr_ref = ber_memalloc_x( sizeof( struct berval ) * ( cnt + 1 ), op->o_tmpmemctx ); for ( cnt = 0; references[ cnt ]; cnt++ ) { ber_str2bv_x( references[ cnt ], 0, 1, &sr_ref[ cnt ], op->o_tmpmemctx ); } BER_BVZERO( &sr_ref[ cnt ] ); dc.memctx = op->o_tmpmemctx; ( void )asyncmeta_referral_result_rewrite( &dc, sr_ref ); if ( rs->sr_v2ref == NULL ) { rs->sr_v2ref = sr_ref; } else { for ( cnt = 0; !BER_BVISNULL( &sr_ref[ cnt ] ); cnt++ ) { ber_bvarray_add_x( &rs->sr_v2ref, &sr_ref[ cnt ], op->o_tmpmemctx ); } ber_memfree_x( sr_ref, op->o_tmpmemctx ); } } } else if ( rs->sr_err == LDAP_REFERRAL ) { Debug( LDAP_DEBUG_TRACE, "%s asyncmeta_search_result[%d]: " "got err=%d with null " "or empty referrals\n", op->o_log_prefix, i, rs->sr_err ); rs->sr_err = LDAP_NO_SUCH_OBJECT; } /* cleanup */ ber_memvfree( (void **)references ); sres = slap_map_api2result( rs ); if ( candidates[ i ].sr_err == LDAP_SUCCESS ) { Debug( LDAP_DEBUG_TRACE, "%s asyncmeta_search_result[%d] " "match=\"%s\" err=%ld", op->o_log_prefix, i, candidates[ i ].sr_matched ? candidates[ i ].sr_matched : "", (long) candidates[ i ].sr_err ); } else { Debug( LDAP_DEBUG_ANY, "%s asyncmeta_search_result[%d] " "match=\"%s\" err=%ld (%s)", op->o_log_prefix, i, candidates[ i ].sr_matched ? candidates[ i ].sr_matched : "", (long) candidates[ i ].sr_err, ldap_err2string( candidates[ i ].sr_err ) ); } switch ( sres ) { case LDAP_NO_SUCH_OBJECT: /* is_ok is touched any time a valid * (even intermediate) result is * returned; as a consequence, if * a candidate returns noSuchObject * it is ignored and the candidate * is simply demoted. */ if ( bc->is_ok ) { sres = LDAP_SUCCESS; } break; case LDAP_SUCCESS: if ( ctrls != NULL && ctrls[0] != NULL ) { #ifdef SLAPD_META_CLIENT_PR LDAPControl *pr_c; pr_c = ldap_control_find( LDAP_CONTROL_PAGEDRESULTS, ctrls, NULL ); if ( pr_c != NULL ) { BerElementBuffer berbuf; BerElement *ber = (BerElement *)&berbuf; ber_tag_t tag; ber_int_t prsize; struct berval prcookie; /* unsolicited, do not accept */ if ( mt->mt_ps == 0 ) { rs->sr_err = LDAP_OTHER; goto err_pr; } ber_init2( ber, &pr_c->ldctl_value, LBER_USE_DER ); tag = ber_scanf( ber, "{im}", &prsize, &prcookie ); if ( tag == LBER_ERROR ) { rs->sr_err = LDAP_OTHER; goto err_pr; } /* more pages? new search request */ if ( !BER_BVISNULL( &prcookie ) && !BER_BVISEMPTY( &prcookie ) ) { if ( mt->mt_ps > 0 ) { /* ignore size if specified */ prsize = 0; } else if ( prsize == 0 ) { /* guess the page size from the entries returned so far */ prsize = candidates[ i ].sr_nentries; } candidates[ i ].sr_nentries = 0; candidates[ i ].sr_msgid = META_MSGID_IGNORE; candidates[ i ].sr_type = REP_INTERMEDIATE; assert( candidates[ i ].sr_matched == NULL ); assert( candidates[ i ].sr_text == NULL ); assert( candidates[ i ].sr_ref == NULL ); switch ( asyncmeta_back_search_start( &bc->copy_op, rs, mc, bc, i, &prcookie, prsize, 1 ) ) { case META_SEARCH_CANDIDATE: assert( candidates[ i ].sr_msgid >= 0 ); ldap_controls_free( ctrls ); // goto free_message; case META_SEARCH_ERR: case META_SEARCH_NEED_BIND: err_pr:; candidates[ i ].sr_err = rs->sr_err; candidates[ i ].sr_type = REP_RESULT; if ( META_BACK_ONERR_STOP( mi ) ) { asyncmeta_send_ldap_result(bc, op, rs); ldap_controls_free( ctrls ); goto err_cleanup; } /* fallthru */ case META_SEARCH_NOT_CANDIDATE: /* means that asyncmeta_back_search_start() * failed but onerr == continue */ candidates[ i ].sr_msgid = META_MSGID_IGNORE; candidates[ i ].sr_type = REP_RESULT; break; default: /* impossible */ assert( 0 ); break; } break; } } #endif /* SLAPD_META_CLIENT_PR */ ldap_controls_free( ctrls ); } /* fallthru */ case LDAP_REFERRAL: bc->is_ok++; break; case LDAP_SIZELIMIT_EXCEEDED: /* if a target returned sizelimitExceeded * and the entry count is equal to the * proxy's limit, the target would have * returned more, and the error must be * propagated to the client; otherwise, * the target enforced a limit lower * than what requested by the proxy; * ignore it */ candidates[ i ].sr_err = rs->sr_err; if ( rs->sr_nentries == op->ors_slimit || META_BACK_ONERR_STOP( mi ) ) { const char *save_text; got_err: save_text = rs->sr_text; rs->sr_text = candidates[ i ].sr_text; asyncmeta_send_ldap_result(bc, op, rs); if (candidates[ i ].sr_text != NULL) { ch_free( (char *)candidates[ i ].sr_text ); candidates[ i ].sr_text = NULL; } rs->sr_text = save_text; ldap_controls_free( ctrls ); goto err_cleanup; } break; default: candidates[ i ].sr_err = rs->sr_err; if ( META_BACK_ONERR_STOP( mi ) ) { goto got_err; } break; } /* if this is the last result we will ever receive, send it back */ rc = rs->sr_err; if (asyncmeta_is_last_result(mc, bc, i) == 0) { Debug( LDAP_DEBUG_TRACE, "%s asyncmeta_handle_search_msg: msc %p last result\n", op->o_log_prefix, msc ); asyncmeta_search_last_result(mc, bc, i, sres); err_cleanup: rc = rs->sr_err; ldap_pvt_thread_mutex_lock( &mc->mc_om_mutex ); asyncmeta_drop_bc( mc, bc); asyncmeta_clear_bm_context(bc); ldap_pvt_thread_mutex_unlock( &mc->mc_om_mutex ); ldap_msgfree(res); return rc; } finish: break; default: continue; } } ldap_msgfree(res); res = NULL; if (candidates[ i ].sr_type != REP_RESULT) { struct timeval tv = {0}; rc = ldap_result( msc->msc_ldr, id, LDAP_MSG_RECEIVED, &tv, &res ); if (res != NULL) { msc->msc_result_time = slap_get_time(); } } } ldap_pvt_thread_mutex_lock( &mc->mc_om_mutex ); bc->bc_active--; ldap_pvt_thread_mutex_unlock( &mc->mc_om_mutex ); return rc; }
static int ldap_back_exop_passwd( Operation *op, SlapReply *rs, ldapconn_t **lcp ) { ldapinfo_t *li = (ldapinfo_t *) op->o_bd->be_private; ldapconn_t *lc = *lcp; req_pwdexop_s *qpw = &op->oq_pwdexop; LDAPMessage *res; ber_int_t msgid; int rc, isproxy, freedn = 0; int do_retry = 1; char *text = NULL; struct berval dn = op->o_req_dn, ndn = op->o_req_ndn; assert( lc != NULL ); assert( rs->sr_ctrls == NULL ); if ( BER_BVISNULL( &ndn ) && op->ore_reqdata != NULL ) { /* NOTE: most of this code is mutated * from slap_passwd_parse(); * But here we only need * the first berval... */ ber_tag_t tag; ber_len_t len = -1; BerElementBuffer berbuf; BerElement *ber = (BerElement *)&berbuf; struct berval tmpid = BER_BVNULL; if ( op->ore_reqdata->bv_len == 0 ) { return LDAP_PROTOCOL_ERROR; } /* ber_init2 uses reqdata directly, doesn't allocate new buffers */ ber_init2( ber, op->ore_reqdata, 0 ); tag = ber_scanf( ber, "{" /*}*/ ); if ( tag == LBER_ERROR ) { return LDAP_PROTOCOL_ERROR; } tag = ber_peek_tag( ber, &len ); if ( tag == LDAP_TAG_EXOP_MODIFY_PASSWD_ID ) { tag = ber_get_stringbv( ber, &tmpid, LBER_BV_NOTERM ); if ( tag == LBER_ERROR ) { return LDAP_PROTOCOL_ERROR; } } if ( !BER_BVISEMPTY( &tmpid ) ) { char idNull = tmpid.bv_val[tmpid.bv_len]; tmpid.bv_val[tmpid.bv_len] = '\0'; rs->sr_err = dnPrettyNormal( NULL, &tmpid, &dn, &ndn, op->o_tmpmemctx ); tmpid.bv_val[tmpid.bv_len] = idNull; if ( rs->sr_err != LDAP_SUCCESS ) { /* should have been successfully parsed earlier! */ return rs->sr_err; } freedn = 1; } else { dn = op->o_dn; ndn = op->o_ndn; } } isproxy = ber_bvcmp( &ndn, &op->o_ndn ); Debug( LDAP_DEBUG_ARGS, "==> ldap_back_exop_passwd(\"%s\")%s\n", dn.bv_val, isproxy ? " (proxy)" : "", 0 ); retry: rc = ldap_passwd( lc->lc_ld, &dn, qpw->rs_old.bv_val ? &qpw->rs_old : NULL, qpw->rs_new.bv_val ? &qpw->rs_new : NULL, op->o_ctrls, NULL, &msgid ); if ( rc == LDAP_SUCCESS ) { /* TODO: set timeout? */ /* by now, make sure no timeout is used (ITS#6282) */ struct timeval tv = { -1, 0 }; if ( ldap_result( lc->lc_ld, msgid, LDAP_MSG_ALL, &tv, &res ) == -1 ) { ldap_get_option( lc->lc_ld, LDAP_OPT_ERROR_NUMBER, &rc ); rs->sr_err = rc; } else { /* only touch when activity actually took place... */ if ( li->li_idle_timeout ) { lc->lc_time = op->o_time; } /* sigh. parse twice, because parse_passwd * doesn't give us the err / match / msg info. */ rc = ldap_parse_result( lc->lc_ld, res, &rs->sr_err, (char **)&rs->sr_matched, &text, NULL, &rs->sr_ctrls, 0 ); if ( rc == LDAP_SUCCESS ) { if ( rs->sr_err == LDAP_SUCCESS ) { struct berval newpw; /* this never happens because * the frontend is generating * the new password, so when * the passwd exop is proxied, * it never delegates password * generation to the remote server */ rc = ldap_parse_passwd( lc->lc_ld, res, &newpw ); if ( rc == LDAP_SUCCESS && !BER_BVISNULL( &newpw ) ) { rs->sr_type = REP_EXTENDED; rs->sr_rspdata = slap_passwd_return( &newpw ); free( newpw.bv_val ); } } else { rc = rs->sr_err; } } ldap_msgfree( res ); } } if ( rc != LDAP_SUCCESS ) { rs->sr_err = slap_map_api2result( rs ); if ( rs->sr_err == LDAP_UNAVAILABLE && do_retry ) { do_retry = 0; if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) { goto retry; } } if ( LDAP_BACK_QUARANTINE( li ) ) { ldap_back_quarantine( op, rs ); } if ( text ) rs->sr_text = text; send_ldap_extended( op, rs ); /* otherwise frontend resends result */ rc = rs->sr_err = SLAPD_ABANDON; } else if ( LDAP_BACK_QUARANTINE( li ) ) { ldap_back_quarantine( op, rs ); } ldap_pvt_thread_mutex_lock( &li->li_counter_mutex ); ldap_pvt_mp_add( li->li_ops_completed[ SLAP_OP_EXTENDED ], 1 ); ldap_pvt_thread_mutex_unlock( &li->li_counter_mutex ); if ( freedn ) { op->o_tmpfree( dn.bv_val, op->o_tmpmemctx ); op->o_tmpfree( ndn.bv_val, op->o_tmpmemctx ); } /* these have to be freed anyway... */ if ( rs->sr_matched ) { free( (char *)rs->sr_matched ); rs->sr_matched = NULL; } if ( rs->sr_ctrls ) { ldap_controls_free( rs->sr_ctrls ); rs->sr_ctrls = NULL; } if ( text ) { free( text ); rs->sr_text = NULL; } /* in case, cleanup handler */ if ( lc == NULL ) { *lcp = NULL; } return rc; }
int asyncmeta_handle_common_result(LDAPMessage *msg, a_metaconn_t *mc, bm_context_t *bc, int candidate) { a_metainfo_t *mi; a_metatarget_t *mt; a_metasingleconn_t *msc; const char *save_text = NULL, *save_matched = NULL; BerVarray save_ref = NULL; LDAPControl **save_ctrls = NULL; void *matched_ctx = NULL; char *matched = NULL; char *text = NULL; char **refs = NULL; LDAPControl **ctrls = NULL; Operation *op; SlapReply *rs; int rc; mi = mc->mc_info; mt = mi->mi_targets[ candidate ]; msc = &mc->mc_conns[ candidate ]; op = bc->op; rs = &bc->rs; save_text = rs->sr_text, save_matched = rs->sr_matched; save_ref = rs->sr_ref; save_ctrls = rs->sr_ctrls; rs->sr_text = NULL; rs->sr_matched = NULL; rs->sr_ref = NULL; rs->sr_ctrls = NULL; /* only touch when activity actually took place... */ if ( mi->mi_idle_timeout != 0 ) { asyncmeta_set_msc_time(msc); } rc = ldap_parse_result( msc->msc_ldr, msg, &rs->sr_err, &matched, &text, &refs, &ctrls, 0 ); 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 asyncmeta_handle_common_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 asyncmeta_handle_common_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; } /* 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 ); /* internal ops ( op->o_conn == NULL ) * must not reply to client */ if ( op->o_conn && !op->o_do_not_cache && matched ) { /* record the (massaged) matched * DN into the reply structure */ rs->sr_matched = matched; } } if ( META_BACK_TGT_QUARANTINE( mt ) ) { asyncmeta_quarantine( op, mi, rs, candidate ); } if ( matched != NULL ) { struct berval dn, pdn; ber_str2bv( matched, 0, 0, &dn ); if ( dnPretty( NULL, &dn, &pdn, op->o_tmpmemctx ) == LDAP_SUCCESS ) { ldap_memfree( matched ); matched_ctx = op->o_tmpmemctx; matched = pdn.bv_val; } rs->sr_matched = matched; } if ( rs->sr_err == LDAP_UNAVAILABLE || rs->sr_err == LDAP_SERVER_DOWN ) { if ( rs->sr_text == NULL ) { rs->sr_text = "Target is unavailable"; } } ldap_pvt_thread_mutex_lock( &mc->mc_om_mutex ); asyncmeta_drop_bc( mc, bc); ldap_pvt_thread_mutex_unlock( &mc->mc_om_mutex ); if ( op->o_conn ) { asyncmeta_send_ldap_result(bc, 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; rc = (LDAP_ERR_OK( rs->sr_err ) ? LDAP_SUCCESS : rs->sr_err); ldap_pvt_thread_mutex_lock( &mc->mc_om_mutex ); asyncmeta_clear_bm_context(bc); ldap_pvt_thread_mutex_unlock( &mc->mc_om_mutex ); return rc; }
meta_search_candidate_t asyncmeta_dobind_result( a_metaconn_t *mc, int candidate, SlapReply *bind_result, LDAPMessage *res ) { a_metainfo_t *mi = mc->mc_info; a_metatarget_t *mt = mi->mi_targets[ candidate ]; a_metasingleconn_t *msc = &mc->mc_conns[ candidate ]; meta_search_candidate_t retcode = META_SEARCH_NOT_CANDIDATE; int rc; assert( msc->msc_ldr != NULL ); if ( mi->mi_idle_timeout != 0 ) { asyncmeta_set_msc_time(msc); } if ( LogTest( asyncmeta_debug ) ) { char time_buf[ SLAP_TEXT_BUFLEN ]; asyncmeta_get_timestamp(time_buf); Debug( asyncmeta_debug, "[%x] [%s] asyncmeta_dobind_result msc: %p, " "msc->msc_binding_time: %x, msc->msc_flags:%x\n ", (unsigned int)slap_get_time(), time_buf, msc, (unsigned int)msc->msc_binding_time, msc->msc_mscflags ); } /* FIXME: matched? referrals? response controls? */ rc = ldap_parse_result( msc->msc_ldr, res, &(bind_result->sr_err), (char **)&(bind_result->sr_matched), (char **)&(bind_result->sr_text), NULL, NULL, 0 ); if ( LogTest( asyncmeta_debug ) ) { char time_buf[ SLAP_TEXT_BUFLEN ]; asyncmeta_get_timestamp(time_buf); Debug( asyncmeta_debug, "[%s] asyncmeta_dobind_result error=%d msc: %p\n", time_buf,bind_result->sr_err, msc ); } if ( rc != LDAP_SUCCESS ) { bind_result->sr_err = rc; } rc = slap_map_api2result( bind_result ); LDAP_BACK_CONN_BINDING_CLEAR( msc ); if ( rc != LDAP_SUCCESS ) { bind_result->sr_err = rc; } else { /* FIXME: check if bound as idassert authcDN! */ if ( BER_BVISNULL( &msc->msc_bound_ndn ) || BER_BVISEMPTY( &msc->msc_bound_ndn ) ) { LDAP_BACK_CONN_ISANON_SET( msc ); if ( LogTest( asyncmeta_debug ) ) { char time_buf[ SLAP_TEXT_BUFLEN ]; asyncmeta_get_timestamp(time_buf); Debug( asyncmeta_debug, "[%s] asyncmeta_dobind_result anonymous msc: %p\n", time_buf, msc ); } } else { if ( META_BACK_TGT_SAVECRED( mt ) && !BER_BVISNULL( &msc->msc_cred ) && !BER_BVISEMPTY( &msc->msc_cred ) ) { ldap_set_rebind_proc( msc->msc_ldr, mt->mt_rebind_f, msc ); } if ( LogTest( asyncmeta_debug ) ) { char time_buf[ SLAP_TEXT_BUFLEN ]; asyncmeta_get_timestamp(time_buf); Debug( asyncmeta_debug, "[%s] asyncmeta_dobind_result success msc: %p\n", time_buf, msc ); } LDAP_BACK_CONN_ISBOUND_SET( msc ); } retcode = META_SEARCH_CANDIDATE; } return retcode; }
int meta_back_bind( Operation *op, SlapReply *rs ) { metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private; metaconn_t *mc = NULL; int rc = LDAP_OTHER, i, gotit = 0, isroot = 0; SlapReply *candidates; rs->sr_err = LDAP_SUCCESS; Debug( LDAP_DEBUG_ARGS, "%s meta_back_bind: dn=\"%s\".\n", op->o_log_prefix, op->o_req_dn.bv_val ); /* the test on the bind method should be superfluous */ switch ( be_rootdn_bind( op, rs ) ) { case LDAP_SUCCESS: if ( META_BACK_DEFER_ROOTDN_BIND( mi ) ) { /* 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, * because we want to intercept the error and make it * invalidCredentials */ mc = meta_back_getconn( op, rs, NULL, LDAP_BACK_BIND_DONTSEND ); if ( !mc ) { if ( LogTest( LDAP_DEBUG_ANY ) ) { char buf[ SLAP_TEXT_BUFLEN ]; snprintf( buf, sizeof( buf ), "meta_back_bind: no target " "for dn \"%s\" (%d%s%s).", op->o_req_dn.bv_val, rs->sr_err, rs->sr_text ? ". " : "", rs->sr_text ? rs->sr_text : "" ); Debug( LDAP_DEBUG_ANY, "%s %s\n", op->o_log_prefix, buf ); } /* FIXME: there might be cases where we don't want * to map the error onto invalidCredentials */ switch ( rs->sr_err ) { case LDAP_NO_SUCH_OBJECT: case LDAP_UNWILLING_TO_PERFORM: rs->sr_err = LDAP_INVALID_CREDENTIALS; rs->sr_text = NULL; break; } send_ldap_result( op, rs ); return rs->sr_err; } candidates = meta_back_candidates_get( op ); /* * Each target is scanned ... */ mc->mc_authz_target = META_BOUND_NONE; for ( i = 0; i < mi->mi_ntargets; i++ ) { metatarget_t *mt = mi->mi_targets[ i ]; int lerr; /* * Skip non-candidates */ if ( !META_IS_CANDIDATE( &candidates[ i ] ) ) { continue; } if ( gotit == 0 ) { /* set rc to LDAP_SUCCESS only if at least * one candidate has been tried */ rc = LDAP_SUCCESS; gotit = 1; } else if ( !isroot ) { /* * A bind operation is expected to have * ONE CANDIDATE ONLY! */ Debug( LDAP_DEBUG_ANY, "### %s meta_back_bind: more than one" " candidate selected...\n", op->o_log_prefix ); } if ( isroot ) { if ( mt->mt_idassert_authmethod == LDAP_AUTH_NONE || BER_BVISNULL( &mt->mt_idassert_authcDN ) ) { metasingleconn_t *msc = &mc->mc_conns[ i ]; /* skip the target if no pseudorootdn is provided */ if ( !BER_BVISNULL( &msc->msc_bound_ndn ) ) { ch_free( msc->msc_bound_ndn.bv_val ); BER_BVZERO( &msc->msc_bound_ndn ); } 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 ); BER_BVZERO( &msc->msc_cred ); } continue; } (void)meta_back_proxy_authz_bind( mc, i, op, rs, LDAP_BACK_DONTSEND, 1 ); lerr = rs->sr_err; } else { lerr = meta_back_single_bind( op, rs, mc, i ); } 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 * reported to client */ META_CANDIDATE_CLEAR( &candidates[ i ] ); break; } } /* must re-insert if local DN changed as result of bind */ if ( rc == LDAP_SUCCESS ) { if ( isroot ) { mc->mc_authz_target = META_BOUND_ALL; } 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 */ ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex ); assert( mc->mc_refcnt == 1 ); #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 %lu (refcnt=%u)\n", mc->mc_conn->c_connid, mc->mc_refcnt ); if ( tmpmc->mc_refcnt != 0 ) { /* taint it */ LDAP_BACK_CONN_TAINTED_SET( tmpmc ); } else { /* * Needs a test because the handler may be corrupted, * and calling ldap_unbind on a corrupted header results * in a segmentation fault */ meta_back_conn_free( tmpmc ); } } } ber_bvreplace( &mc->mc_local_ndn, &op->o_req_ndn ); lerr = avl_insert( &mi->mi_conninfo.lai_tree, (caddr_t)mc, meta_back_conndn_cmp, meta_back_conndn_dup ); #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 ); } else { LDAP_BACK_CONN_CACHED_CLEAR( mc ); } ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex ); } } if ( mc != NULL ) { meta_back_release_conn( mi, mc ); } /* * rc is LDAP_SUCCESS if at least one bind succeeded, * err is the last error that occurred during a bind; * if at least (and at most?) one bind succeeds, fine. */ if ( rc != LDAP_SUCCESS ) { /* * deal with bind failure ... */ /* * no target was found within the naming context, * so bind must fail with invalid credentials */ if ( rs->sr_err == LDAP_SUCCESS && gotit == 0 ) { rs->sr_err = LDAP_INVALID_CREDENTIALS; } else { rs->sr_err = slap_map_api2result( rs ); } send_ldap_result( op, rs ); return rs->sr_err; } return LDAP_SUCCESS; }
/* * FIXME: error return must be handled in a cleaner way ... */ int meta_back_op_result( 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; 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 ]; 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"; /* 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; } } if ( timeout ) { stoptime = op->o_time + timeout; } 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 ); /* internal ops ( op->o_conn == NULL ) * must not reply to client */ if ( op->o_conn && !op->o_do_not_cache && matched ) { /* record the (massaged) matched * DN into the reply structure */ rs->sr_matched = matched; } } 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 *xtext = NULL; char *xmatched = NULL; if ( msc->msc_ld == NULL ) { continue; } rs->sr_err = LDAP_SUCCESS; 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 * (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_DIAGNOSTIC_MESSAGE, &xtext ); if ( xtext != NULL && xtext [ 0 ] == '\0' ) { ldap_memfree( xtext ); xtext = NULL; } ldap_get_option( msc->msc_ld, LDAP_OPT_MATCHED_DN, &xmatched ); if ( xmatched != NULL && xmatched[ 0 ] == '\0' ) { ldap_memfree( xmatched ); xmatched = NULL; } rs->sr_err = slap_map_api2result( rs ); if ( LogTest( LDAP_DEBUG_ANY ) ) { char buf[ SLAP_TEXT_BUFLEN ]; snprintf( buf, sizeof( buf ), "meta_back_op_result[%d] " "err=%d text=\"%s\" matched=\"%s\"", i, rs->sr_err, ( xtext ? xtext : "" ), ( xmatched ? xmatched : "" ) ); Debug( LDAP_DEBUG_ANY, "%s %s.\n", op->o_log_prefix, buf ); } /* * FIXME: need to rewrite "match" (need rwinfo) */ switch ( rs->sr_err ) { default: err = rs->sr_err; if ( xtext != NULL ) { if ( text ) { ldap_memfree( text ); } text = xtext; xtext = NULL; } if ( xmatched != NULL ) { if ( matched ) { ldap_memfree( matched ); } matched = xmatched; xmatched = NULL; } break; } if ( xtext ) { ldap_memfree( xtext ); } if ( xmatched ) { ldap_memfree( xmatched ); } } if ( META_BACK_TGT_QUARANTINE( mi->mi_targets[ i ] ) ) { meta_back_quarantine( op, rs, i ); } } if ( err != LDAP_SUCCESS ) { rs->sr_err = err; } } if ( matched != NULL ) { struct berval dn, pdn; ber_str2bv( matched, 0, 0, &dn ); if ( dnPretty( NULL, &dn, &pdn, op->o_tmpmemctx ) == LDAP_SUCCESS ) { 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 ); }
static int meta_back_bind_op_result( Operation *op, SlapReply *rs, metaconn_t *mc, int candidate, int msgid, 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 ]; LDAPMessage *res; struct timeval tv; int rc; 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 ); /* 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 == (slap_op_t) 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:; rc = ldap_result( msc->msc_ld, msgid, LDAP_MSG_ALL, &tv, &res ); switch ( rc ) { case 0: if ( nretries != META_RETRY_NEVER || ( timeout && slap_get_time() <= stoptime ) ) { ldap_pvt_thread_yield(); if ( nretries > 0 ) { nretries--; } tv = mt->mt_bind_timeout; goto retry; } /* 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: ldap_get_option( msc->msc_ld, LDAP_OPT_ERROR_NUMBER, &rs->sr_err ); snprintf( buf, sizeof( buf ), "err=%d (%s) nretries=%d", rs->sr_err, ldap_err2string( rs->sr_err ), nretries ); Debug( LDAP_DEBUG_ANY, "### %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; } } 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; }
/* * 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 ); memcpy( authzID.bv_val, "dn:", STRLENOF( "dn:" ) ); 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 ); } break; } done:; if ( !BER_BVISEMPTY( binddn ) ) { LDAP_BACK_CONN_ISIDASSERT_SET( msc ); } return rs->sr_err; }
int ldap_back_search( Operation *op, SlapReply *rs ) { ldapinfo_t *li = (ldapinfo_t *) op->o_bd->be_private; ldapconn_t *lc = NULL; struct timeval tv; time_t stoptime = (time_t)(-1); LDAPMessage *res, *e; int rc = 0, msgid; struct berval match = BER_BVNULL, filter = BER_BVNULL; int i, x; char **attrs = NULL; int freetext = 0, filter_undef = 0; int do_retry = 1, dont_retry = 0; LDAPControl **ctrls = NULL; char **references = NULL; rs_assert_ready( rs ); rs->sr_flags &= ~REP_ENTRY_MASK; /* paranoia, we can set rs = non-entry */ if ( !ldap_back_dobind( &lc, op, rs, LDAP_BACK_SENDERR ) ) { return rs->sr_err; } /* * FIXME: in case of values return filter, we might want * to map attrs and maybe rewrite value */ if ( op->ors_tlimit != SLAP_NO_LIMIT ) { tv.tv_sec = op->ors_tlimit; tv.tv_usec = 0; stoptime = op->o_time + op->ors_tlimit; } else { LDAP_BACK_TV_SET( &tv ); } i = 0; if ( op->ors_attrs ) { for ( ; !BER_BVISNULL( &op->ors_attrs[i].an_name ); i++ ) /* just count attrs */ ; } x = 0; if ( op->o_bd->be_extra_anlist ) { for ( ; !BER_BVISNULL( &op->o_bd->be_extra_anlist[x].an_name ); x++ ) /* just count attrs */ ; } if ( i > 0 || x > 0 ) { int j = 0; attrs = op->o_tmpalloc( ( i + x + 1 )*sizeof( char * ), op->o_tmpmemctx ); if ( attrs == NULL ) { rs->sr_err = LDAP_NO_MEMORY; rc = -1; goto finish; } if ( i > 0 ) { for ( i = 0; !BER_BVISNULL( &op->ors_attrs[i].an_name ); i++, j++ ) { attrs[ j ] = op->ors_attrs[i].an_name.bv_val; } } if ( x > 0 ) { for ( x = 0; !BER_BVISNULL( &op->o_bd->be_extra_anlist[x].an_name ); x++, j++ ) { if ( op->o_bd->be_extra_anlist[x].an_desc && ad_inlist( op->o_bd->be_extra_anlist[x].an_desc, op->ors_attrs ) ) { continue; } attrs[ j ] = op->o_bd->be_extra_anlist[x].an_name.bv_val; } } attrs[ j ] = NULL; } ctrls = op->o_ctrls; rc = ldap_back_controls_add( op, rs, lc, &ctrls ); if ( rc != LDAP_SUCCESS ) { goto finish; } /* deal with <draft-zeilenga-ldap-t-f> filters */ filter = op->ors_filterstr; retry: /* this goes after retry because ldap_back_munge_filter() * optionally replaces RFC 4526 T-F filters (&) (|) * if already computed, they will be re-installed * by filter2bv_undef_x() later */ if ( !LDAP_BACK_T_F( li ) ) { ldap_back_munge_filter( op, &filter ); } rs->sr_err = ldap_pvt_search( lc->lc_ld, op->o_req_dn.bv_val, op->ors_scope, filter.bv_val, attrs, op->ors_attrsonly, ctrls, NULL, tv.tv_sec ? &tv : NULL, op->ors_slimit, op->ors_deref, &msgid ); ldap_pvt_thread_mutex_lock( &li->li_counter_mutex ); ldap_pvt_mp_add( li->li_ops_completed[ SLAP_OP_SEARCH ], 1 ); ldap_pvt_thread_mutex_unlock( &li->li_counter_mutex ); if ( rs->sr_err != LDAP_SUCCESS ) { switch ( rs->sr_err ) { case LDAP_SERVER_DOWN: if ( do_retry ) { do_retry = 0; if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_DONTSEND ) ) { goto retry; } } if ( lc == NULL ) { /* reset by ldap_back_retry ... */ rs->sr_err = slap_map_api2result( rs ); } else { rc = ldap_back_op_result( lc, op, rs, msgid, 0, LDAP_BACK_DONTSEND ); } goto finish; case LDAP_FILTER_ERROR: /* first try? */ if ( !filter_undef && strstr( filter.bv_val, "(?" ) && !LDAP_BACK_NOUNDEFFILTER( li ) ) { BER_BVZERO( &filter ); filter2bv_undef_x( op, op->ors_filter, 1, &filter ); filter_undef = 1; goto retry; } /* invalid filters return success with no data */ rs->sr_err = LDAP_SUCCESS; rs->sr_text = NULL; goto finish; default: rs->sr_err = slap_map_api2result( rs ); rs->sr_text = NULL; goto finish; } } /* if needed, initialize timeout */ if ( li->li_timeout[ SLAP_OP_SEARCH ] ) { if ( tv.tv_sec == 0 || tv.tv_sec > li->li_timeout[ SLAP_OP_SEARCH ] ) { tv.tv_sec = li->li_timeout[ SLAP_OP_SEARCH ]; tv.tv_usec = 0; } } /* We pull apart the ber result, stuff it into a slapd entry, and * let send_search_entry stuff it back into ber format. Slow & ugly, * but this is necessary for version matching, and for ACL processing. */ for ( rc = -2; rc != -1; rc = ldap_result( lc->lc_ld, msgid, LDAP_MSG_ONE, &tv, &res ) ) { /* check for abandon */ if ( op->o_abandon || LDAP_BACK_CONN_ABANDON( lc ) ) { if ( rc > 0 ) { ldap_msgfree( res ); } (void)ldap_back_cancel( lc, op, rs, msgid, LDAP_BACK_DONTSEND ); rc = SLAPD_ABANDON; goto finish; } if ( rc == 0 || rc == -2 ) { ldap_pvt_thread_yield(); /* check timeout */ if ( li->li_timeout[ SLAP_OP_SEARCH ] ) { if ( rc == 0 ) { (void)ldap_back_cancel( lc, op, rs, msgid, LDAP_BACK_DONTSEND ); rs->sr_text = "Operation timed out"; rc = rs->sr_err = op->o_protocol >= LDAP_VERSION3 ? LDAP_ADMINLIMIT_EXCEEDED : LDAP_OTHER; goto finish; } } else { LDAP_BACK_TV_SET( &tv ); } /* check time limit */ if ( op->ors_tlimit != SLAP_NO_LIMIT && slap_get_time() > stoptime ) { (void)ldap_back_cancel( lc, op, rs, msgid, LDAP_BACK_DONTSEND ); rc = rs->sr_err = LDAP_TIMELIMIT_EXCEEDED; goto finish; } continue; } else { /* only touch when activity actually took place... */ if ( li->li_idle_timeout && lc ) { lc->lc_time = op->o_time; } /* don't retry any more */ dont_retry = 1; } if ( rc == LDAP_RES_SEARCH_ENTRY ) { Entry ent = { 0 }; struct berval bdn = BER_BVNULL; do_retry = 0; e = ldap_first_entry( lc->lc_ld, res ); rc = ldap_build_entry( op, e, &ent, &bdn ); if ( rc == LDAP_SUCCESS ) { ldap_get_entry_controls( lc->lc_ld, res, &rs->sr_ctrls ); rs->sr_entry = &ent; rs->sr_attrs = op->ors_attrs; rs->sr_operational_attrs = NULL; rs->sr_flags = 0; rs->sr_err = LDAP_SUCCESS; rc = rs->sr_err = send_search_entry( op, rs ); if ( rs->sr_ctrls ) { ldap_controls_free( rs->sr_ctrls ); rs->sr_ctrls = NULL; } rs->sr_entry = NULL; rs->sr_flags = 0; if ( !BER_BVISNULL( &ent.e_name ) ) { assert( ent.e_name.bv_val != bdn.bv_val ); op->o_tmpfree( ent.e_name.bv_val, op->o_tmpmemctx ); BER_BVZERO( &ent.e_name ); } if ( !BER_BVISNULL( &ent.e_nname ) ) { op->o_tmpfree( ent.e_nname.bv_val, op->o_tmpmemctx ); BER_BVZERO( &ent.e_nname ); } entry_clean( &ent ); } ldap_msgfree( res ); switch ( rc ) { case LDAP_SUCCESS: case LDAP_INSUFFICIENT_ACCESS: break; default: if ( rc == LDAP_UNAVAILABLE ) { rc = rs->sr_err = LDAP_OTHER; } else { (void)ldap_back_cancel( lc, op, rs, msgid, LDAP_BACK_DONTSEND ); } goto finish; } } else if ( rc == LDAP_RES_SEARCH_REFERENCE ) { if ( LDAP_BACK_NOREFS( li ) ) { ldap_msgfree( res ); continue; } do_retry = 0; rc = ldap_parse_reference( lc->lc_ld, res, &references, &rs->sr_ctrls, 1 ); if ( rc != LDAP_SUCCESS ) { continue; } /* FIXME: there MUST be at least one */ if ( references && references[ 0 ] && references[ 0 ][ 0 ] ) { int cnt; for ( cnt = 0; references[ cnt ]; cnt++ ) /* NO OP */ ; /* FIXME: there MUST be at least one */ rs->sr_ref = op->o_tmpalloc( ( cnt + 1 ) * sizeof( struct berval ), op->o_tmpmemctx ); for ( cnt = 0; references[ cnt ]; cnt++ ) { ber_str2bv( references[ cnt ], 0, 0, &rs->sr_ref[ cnt ] ); } BER_BVZERO( &rs->sr_ref[ cnt ] ); /* ignore return value by now */ RS_ASSERT( !(rs->sr_flags & REP_ENTRY_MASK) ); rs->sr_entry = NULL; ( void )send_search_reference( op, rs ); } else { Debug( LDAP_DEBUG_ANY, "%s ldap_back_search: " "got SEARCH_REFERENCE " "with no referrals\n", op->o_log_prefix, 0, 0 ); } /* cleanup */ if ( references ) { ber_memvfree( (void **)references ); op->o_tmpfree( rs->sr_ref, op->o_tmpmemctx ); rs->sr_ref = NULL; references = NULL; } if ( rs->sr_ctrls ) { ldap_controls_free( rs->sr_ctrls ); rs->sr_ctrls = NULL; } } else if ( rc == LDAP_RES_INTERMEDIATE ) { /* FIXME: response controls * are passed without checks */ rc = ldap_parse_intermediate( lc->lc_ld, res, (char **)&rs->sr_rspoid, &rs->sr_rspdata, &rs->sr_ctrls, 0 ); if ( rc != LDAP_SUCCESS ) { continue; } slap_send_ldap_intermediate( op, rs ); if ( rs->sr_rspoid != NULL ) { ber_memfree( (char *)rs->sr_rspoid ); rs->sr_rspoid = NULL; } if ( rs->sr_rspdata != NULL ) { ber_bvfree( rs->sr_rspdata ); rs->sr_rspdata = NULL; } if ( rs->sr_ctrls != NULL ) { ldap_controls_free( rs->sr_ctrls ); rs->sr_ctrls = NULL; } } else { char *err = NULL; rc = ldap_parse_result( lc->lc_ld, res, &rs->sr_err, &match.bv_val, &err, &references, &rs->sr_ctrls, 1 ); if ( rc == LDAP_SUCCESS ) { if ( err ) { rs->sr_text = err; freetext = 1; } } 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 ( references && references[ 0 ] && references[ 0 ][ 0 ] ) { if ( rs->sr_err != LDAP_REFERRAL ) { Debug( LDAP_DEBUG_ANY, "%s ldap_back_search: " "got referrals with err=%d\n", op->o_log_prefix, rs->sr_err, 0 ); } else { int cnt; for ( cnt = 0; references[ cnt ]; cnt++ ) /* NO OP */ ; rs->sr_ref = op->o_tmpalloc( ( cnt + 1 ) * sizeof( struct berval ), op->o_tmpmemctx ); for ( cnt = 0; references[ cnt ]; cnt++ ) { /* duplicating ...*/ ber_str2bv( references[ cnt ], 0, 0, &rs->sr_ref[ cnt ] ); } BER_BVZERO( &rs->sr_ref[ cnt ] ); } } else if ( rs->sr_err == LDAP_REFERRAL ) { Debug( LDAP_DEBUG_ANY, "%s ldap_back_search: " "got err=%d with null " "or empty referrals\n", op->o_log_prefix, rs->sr_err, 0 ); rs->sr_err = LDAP_NO_SUCH_OBJECT; } if ( match.bv_val != NULL ) { match.bv_len = strlen( match.bv_val ); } rc = 0; break; } /* if needed, restore timeout */ if ( li->li_timeout[ SLAP_OP_SEARCH ] ) { if ( tv.tv_sec == 0 || tv.tv_sec > li->li_timeout[ SLAP_OP_SEARCH ] ) { tv.tv_sec = li->li_timeout[ SLAP_OP_SEARCH ]; tv.tv_usec = 0; } } } if ( rc == -1 ) { if ( dont_retry == 0 ) { if ( do_retry ) { do_retry = 0; if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_DONTSEND ) ) { goto retry; } } rs->sr_err = LDAP_SERVER_DOWN; rs->sr_err = slap_map_api2result( rs ); goto finish; } else if ( LDAP_BACK_ONERR_STOP( li ) ) { /* if onerr == STOP */ rs->sr_err = LDAP_SERVER_DOWN; rs->sr_err = slap_map_api2result( rs ); goto finish; } } /* * Rewrite the matched portion of the search base, if required */ if ( !BER_BVISNULL( &match ) && !BER_BVISEMPTY( &match ) ) { struct berval pmatch; if ( dnPretty( NULL, &match, &pmatch, op->o_tmpmemctx ) != LDAP_SUCCESS ) { pmatch.bv_val = match.bv_val; match.bv_val = NULL; } rs->sr_matched = pmatch.bv_val; rs->sr_flags |= REP_MATCHED_MUSTBEFREED; } finish:; if ( !BER_BVISNULL( &match ) ) { ber_memfree( match.bv_val ); } if ( rs->sr_v2ref ) { rs->sr_err = LDAP_REFERRAL; } if ( LDAP_BACK_QUARANTINE( li ) ) { ldap_back_quarantine( op, rs ); } if ( filter.bv_val != op->ors_filterstr.bv_val ) { op->o_tmpfree( filter.bv_val, op->o_tmpmemctx ); } #if 0 /* let send_ldap_result play cleanup handlers (ITS#4645) */ if ( rc != SLAPD_ABANDON ) #endif { send_ldap_result( op, rs ); } (void)ldap_back_controls_free( op, rs, &ctrls ); if ( rs->sr_ctrls ) { ldap_controls_free( rs->sr_ctrls ); rs->sr_ctrls = NULL; } if ( rs->sr_text ) { if ( freetext ) { ber_memfree( (char *)rs->sr_text ); } rs->sr_text = NULL; } if ( rs->sr_ref ) { op->o_tmpfree( rs->sr_ref, op->o_tmpmemctx ); rs->sr_ref = NULL; } if ( references ) { ber_memvfree( (void **)references ); } if ( attrs ) { op->o_tmpfree( attrs, op->o_tmpmemctx ); } if ( lc != NULL ) { ldap_back_release_conn( li, lc ); } return rs->sr_err; }
int asyncmeta_back_bind( Operation *op, SlapReply *rs ) { a_metainfo_t *mi = ( a_metainfo_t * )op->o_bd->be_private; a_metaconn_t *mc = NULL; int rc = LDAP_OTHER, i, gotit = 0, isroot = 0; SlapReply *candidates; candidates = op->o_tmpcalloc(mi->mi_ntargets, sizeof(SlapReply),op->o_tmpmemctx); rs->sr_err = LDAP_SUCCESS; Debug( LDAP_DEBUG_ARGS, "%s asyncmeta_back_bind: dn=\"%s\".\n", op->o_log_prefix, op->o_req_dn.bv_val, 0 ); /* the test on the bind method should be superfluous */ switch ( be_rootdn_bind( op, rs ) ) { case LDAP_SUCCESS: if ( META_BACK_DEFER_ROOTDN_BIND( mi ) ) { /* 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 asyncmeta_getconn() not send result even on error, * because we want to intercept the error and make it * invalidCredentials */ mc = asyncmeta_getconn( op, rs, candidates, NULL, LDAP_BACK_BIND_DONTSEND, 1 ); if ( !mc ) { if ( LogTest( LDAP_DEBUG_ANY ) ) { char buf[ SLAP_TEXT_BUFLEN ]; snprintf( buf, sizeof( buf ), "asyncmeta_back_bind: no target " "for dn \"%s\" (%d%s%s).", op->o_req_dn.bv_val, rs->sr_err, rs->sr_text ? ". " : "", rs->sr_text ? rs->sr_text : "" ); Debug( LDAP_DEBUG_ANY, "%s %s\n", op->o_log_prefix, buf, 0 ); } /* FIXME: there might be cases where we don't want * to map the error onto invalidCredentials */ switch ( rs->sr_err ) { case LDAP_NO_SUCH_OBJECT: case LDAP_UNWILLING_TO_PERFORM: rs->sr_err = LDAP_INVALID_CREDENTIALS; rs->sr_text = NULL; break; } send_ldap_result( op, rs ); return rs->sr_err; } /* * Each target is scanned ... */ mc->mc_authz_target = META_BOUND_NONE; for ( i = 0; i < mi->mi_ntargets; i++ ) { a_metatarget_t *mt = mi->mi_targets[ i ]; int lerr; /* * Skip non-candidates */ if ( !META_IS_CANDIDATE( &candidates[ i ] ) ) { continue; } if ( gotit == 0 ) { /* set rc to LDAP_SUCCESS only if at least * one candidate has been tried */ rc = LDAP_SUCCESS; gotit = 1; } else if ( !isroot ) { /* * A bind operation is expected to have * ONE CANDIDATE ONLY! */ Debug( LDAP_DEBUG_ANY, "### %s asyncmeta_back_bind: more than one" " candidate selected...\n", op->o_log_prefix, 0, 0 ); } if ( isroot ) { if ( mt->mt_idassert_authmethod == LDAP_AUTH_NONE || BER_BVISNULL( &mt->mt_idassert_authcDN ) ) { a_metasingleconn_t *msc = &mc->mc_conns[ i ]; if ( !BER_BVISNULL( &msc->msc_bound_ndn ) ) { ch_free( msc->msc_bound_ndn.bv_val ); BER_BVZERO( &msc->msc_bound_ndn ); } 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 ); BER_BVZERO( &msc->msc_cred ); } continue; } (void)asyncmeta_proxy_authz_bind( mc, i, op, rs, LDAP_BACK_DONTSEND, 1 ); lerr = rs->sr_err; } else { lerr = asyncmeta_single_bind( op, rs, mc, i ); } 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 * reported to client */ META_CANDIDATE_CLEAR( &candidates[ i ] ); break; } } if ( mc != NULL ) { for ( i = 0; i < mi->mi_ntargets; i++ ) { a_metasingleconn_t *msc = &mc->mc_conns[ i ]; if ( !BER_BVISNULL( &msc->msc_bound_ndn ) ) { ch_free( msc->msc_bound_ndn.bv_val ); } 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 ); } } asyncmeta_back_conn_free( mc ); } /* * rc is LDAP_SUCCESS if at least one bind succeeded, * err is the last error that occurred during a bind; * if at least (and at most?) one bind succeeds, fine. */ if ( rc != LDAP_SUCCESS ) { /* * deal with bind failure ... */ /* * no target was found within the naming context, * so bind must fail with invalid credentials */ if ( rs->sr_err == LDAP_SUCCESS && gotit == 0 ) { rs->sr_err = LDAP_INVALID_CREDENTIALS; } else { rs->sr_err = slap_map_api2result( rs ); } send_ldap_result( op, rs ); return rs->sr_err; } return LDAP_SUCCESS; }
/* * asyncmeta_dobind_init() * * initiates bind for a candidate target */ meta_search_candidate_t asyncmeta_dobind_init(Operation *op, SlapReply *rs, bm_context_t *bc, a_metaconn_t *mc, int candidate) { SlapReply *candidates = bc->candidates; a_metainfo_t *mi = ( a_metainfo_t * )mc->mc_info; a_metatarget_t *mt = mi->mi_targets[ candidate ]; a_metasingleconn_t *msc = &mc->mc_conns[ candidate ]; ber_socket_t s; struct berval binddn = msc->msc_bound_ndn, cred = msc->msc_cred; int method; int rc; ber_int_t msgid; meta_search_candidate_t retcode; Debug( LDAP_DEBUG_TRACE, "%s >>> asyncmeta_search_dobind_init[%d]\n", op->o_log_prefix, candidate, 0 ); if ( mc->mc_authz_target == META_BOUND_ALL ) { return META_SEARCH_CANDIDATE; } retcode = META_SEARCH_BINDING; if ( LDAP_BACK_CONN_ISBOUND( msc ) || LDAP_BACK_CONN_ISANON( msc ) ) { /* already bound (or anonymous) */ #ifdef DEBUG_205 char buf[ SLAP_TEXT_BUFLEN ] = { '\0' }; int bound = 0; if ( LDAP_BACK_CONN_ISBOUND( msc ) ) { bound = 1; } snprintf( buf, sizeof( buf ), " mc=%p ld=%p%s DN=\"%s\"", (void *)mc, (void *)msc->msc_ld, bound ? " bound" : " anonymous", bound == 0 ? "" : msc->msc_bound_ndn.bv_val ); Debug( LDAP_DEBUG_ANY, "### %s asyncmeta_search_dobind_init[%d]%s\n", op->o_log_prefix, candidate, buf ); #endif /* DEBUG_205 */ retcode = META_SEARCH_CANDIDATE; } else if ( META_BACK_CONN_CREATING( msc ) || LDAP_BACK_CONN_BINDING( msc ) ) { /* another thread is binding the target for this conn; wait */ #ifdef DEBUG_205 char buf[ SLAP_TEXT_BUFLEN ] = { '\0' }; snprintf( buf, sizeof( buf ), " mc=%p ld=%p needbind", (void *)mc, (void *)msc->msc_ld ); Debug( LDAP_DEBUG_ANY, "### %s asyncmeta_search_dobind_init[%d]%s\n", op->o_log_prefix, candidate, buf ); #endif /* DEBUG_205 */ candidates[ candidate ].sr_msgid = META_MSGID_NEED_BIND; retcode = META_SEARCH_NEED_BIND; } else { /* we'll need to bind the target for this conn */ #ifdef DEBUG_205 char buf[ SLAP_TEXT_BUFLEN ]; snprintf( buf, sizeof( buf ), " mc=%p ld=%p binding", (void *)mc, (void *)msc->msc_ld ); Debug( LDAP_DEBUG_ANY, "### %s asyncmeta_search_dobind_init[%d]%s\n", op->o_log_prefix, candidate, buf ); #endif /* DEBUG_205 */ if ( msc->msc_ld == NULL ) { /* for some reason (e.g. because formerly in "binding" * state, with eventual connection expiration or invalidation) * it was not initialized as expected */ Debug( LDAP_DEBUG_ANY, "%s asyncmeta_search_dobind_init[%d] mc=%p ld=NULL\n", op->o_log_prefix, candidate, (void *)mc ); rc = asyncmeta_init_one_conn( op, rs, mc, candidate, LDAP_BACK_CONN_ISPRIV( mc ), LDAP_BACK_DONTSEND, 0 ); switch ( rc ) { case LDAP_SUCCESS: assert( msc->msc_ld != NULL ); break; case LDAP_SERVER_DOWN: case LDAP_UNAVAILABLE: goto down; default: goto other; } } LDAP_BACK_CONN_BINDING_SET( msc ); } if ( retcode != META_SEARCH_BINDING ) { return retcode; } if ( op->o_conn != NULL && !op->o_do_not_cache && ( BER_BVISNULL( &msc->msc_bound_ndn ) || BER_BVISEMPTY( &msc->msc_bound_ndn ) || ( mt->mt_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) ) ) { rc = asyncmeta_back_proxy_authz_cred( mc, candidate, op, rs, LDAP_BACK_DONTSEND, &binddn, &cred, &method ); switch ( rc ) { case LDAP_SUCCESS: break; case LDAP_UNAVAILABLE: goto down; default: goto other; } /* NOTE: we copy things here, even if bind didn't succeed yet, * because the connection is not shared until bind is over */ if ( !BER_BVISNULL( &binddn ) ) { ldap_pvt_thread_mutex_lock(&mc->mc_om_mutex); ber_bvreplace( &msc->msc_bound_ndn, &binddn ); if ( META_BACK_TGT_SAVECRED( mt ) && !BER_BVISNULL( &cred ) ) { 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_pvt_thread_mutex_unlock(&mc->mc_om_mutex); } if ( LDAP_BACK_CONN_ISBOUND( msc ) ) { /* apparently, idassert was configured with SASL bind, * so bind occurred inside meta_back_proxy_authz_cred() */ LDAP_BACK_CONN_BINDING_CLEAR( msc ); return META_SEARCH_CANDIDATE; } /* paranoid */ switch ( method ) { case LDAP_AUTH_NONE: case LDAP_AUTH_SIMPLE: /* do a simple bind with binddn, cred */ break; default: assert( 0 ); break; } } assert( msc->msc_ld != NULL ); if ( !BER_BVISEMPTY( &binddn ) && BER_BVISEMPTY( &cred ) ) { /* bind anonymously? */ Debug( LDAP_DEBUG_ANY, "%s asyncmeta_search_dobind_init[%d] mc=%p: " "non-empty dn with empty cred; binding anonymously\n", op->o_log_prefix, candidate, (void *)mc ); cred = slap_empty_bv; } else if ( BER_BVISEMPTY( &binddn ) && !BER_BVISEMPTY( &cred ) ) { /* error */ Debug( LDAP_DEBUG_ANY, "%s asyncmeta_search_dobind_init[%d] mc=%p: " "empty dn with non-empty cred: error\n", op->o_log_prefix, candidate, (void *)mc ); rc = LDAP_OTHER; goto other; } retry_bind: rc = ldap_sasl_bind( msc->msc_ld, binddn.bv_val, LDAP_SASL_SIMPLE, &cred, NULL, NULL, &msgid ); ldap_get_option( msc->msc_ld, LDAP_OPT_RESULT_CODE, &rc ); if (rc == LDAP_SERVER_DOWN ) { goto down; } candidates[ candidate ].sr_msgid = msgid; asyncmeta_set_msc_time(msc); #ifdef DEBUG_205 { char buf[ SLAP_TEXT_BUFLEN ]; snprintf( buf, sizeof( buf ), "asyncmeta_search_dobind_init[%d] mc=%p ld=%p rc=%d", candidate, (void *)mc, (void *)mc->mc_conns[ candidate ].msc_ld, rc ); Debug( LDAP_DEBUG_ANY, "### %s %s\n", op->o_log_prefix, buf, 0 ); } #endif /* DEBUG_205 */ switch ( rc ) { case LDAP_SUCCESS: assert( msgid >= 0 ); META_BINDING_SET( &candidates[ candidate ] ); rs->sr_err = LDAP_SUCCESS; return META_SEARCH_BINDING; case LDAP_X_CONNECTING: /* must retry, same conn */ candidates[ candidate ].sr_msgid = META_MSGID_CONNECTING; LDAP_BACK_CONN_BINDING_CLEAR( msc ); goto retry_bind; case LDAP_SERVER_DOWN: down:; retcode = META_SEARCH_ERR; rs->sr_err = LDAP_UNAVAILABLE; candidates[ candidate ].sr_msgid = META_MSGID_IGNORE; break; /* fall thru */ default: other:; rs->sr_err = rc; rc = slap_map_api2result( rs ); candidates[ candidate ].sr_err = rc; if ( META_BACK_ONERR_STOP( mi ) ) { retcode = META_SEARCH_ERR; } else { retcode = META_SEARCH_NOT_CANDIDATE; } candidates[ candidate ].sr_msgid = META_MSGID_IGNORE; break; } return retcode; }