/* result.c - routines to send ldap results, errors, and referrals */ /* $OpenLDAP$ */ /* * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved. * COPYING RESTRICTIONS APPLY, see COPYRIGHT file */ #include "portable.h" #include #include #include #include #include #include #include #include "slap.h" #ifdef LDAP_SLAPI #include "slapi.h" #endif static char *v2ref( BerVarray ref, const char *text ) { size_t len = 0, i = 0; char *v2; if(ref == NULL) { if (text) { return ch_strdup(text); } else { return NULL; } } if ( text != NULL ) { len = strlen( text ); if (text[len-1] != '\n') { i = 1; } } v2 = SLAP_MALLOC( len+i+sizeof("Referral:") ); if( v2 == NULL ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "v2ref: SLAP_MALLOC failed", 0, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "v2ref: SLAP_MALLOC failed", 0, 0, 0 ); #endif return NULL; } if( text != NULL ) { strcpy(v2, text); if( i ) { v2[len++] = '\n'; } } strcpy( v2+len, "Referral:" ); len += sizeof("Referral:"); for( i=0; ref[i].bv_val != NULL; i++ ) { v2 = SLAP_REALLOC( v2, len + ref[i].bv_len + 1 ); if( v2 == NULL ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "v2ref: SLAP_MALLOC failed", 0, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "v2ref: SLAP_MALLOC failed", 0, 0, 0 ); #endif return NULL; } v2[len-1] = '\n'; AC_MEMCPY(&v2[len], ref[i].bv_val, ref[i].bv_len ); len += ref[i].bv_len; if (ref[i].bv_val[ref[i].bv_len-1] != '/') { ++len; } } v2[len-1] = '\0'; return v2; } static ber_tag_t req2res( ber_tag_t tag ) { switch( tag ) { case LDAP_REQ_ADD: case LDAP_REQ_BIND: case LDAP_REQ_COMPARE: case LDAP_REQ_EXTENDED: case LDAP_REQ_MODIFY: case LDAP_REQ_MODRDN: tag++; break; case LDAP_REQ_DELETE: tag = LDAP_RES_DELETE; break; case LDAP_REQ_ABANDON: case LDAP_REQ_UNBIND: tag = LBER_SEQUENCE; break; case LDAP_REQ_SEARCH: tag = LDAP_RES_SEARCH_RESULT; break; default: tag = LBER_SEQUENCE; } return tag; } static long send_ldap_ber( Connection *conn, BerElement *ber ) { ber_len_t bytes; ber_get_option( ber, LBER_OPT_BER_BYTES_TO_WRITE, &bytes ); /* write only one pdu at a time - wait til it's our turn */ ldap_pvt_thread_mutex_lock( &conn->c_write_mutex ); /* lock the connection */ ldap_pvt_thread_mutex_lock( &conn->c_mutex ); /* write the pdu */ while( 1 ) { int err; ber_socket_t sd; if ( connection_state_closing( conn ) ) { ldap_pvt_thread_mutex_unlock( &conn->c_mutex ); ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex ); return 0; } if ( ber_flush( conn->c_sb, ber, 0 ) == 0 ) { break; } err = errno; /* * we got an error. if it's ewouldblock, we need to * wait on the socket being writable. otherwise, figure * it's a hard error and return. */ #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "send_ldap_ber: conn %lu ber_flush failed err=%d (%s)\n", conn ? conn->c_connid : 0, err, sock_errstr(err) ); #else Debug( LDAP_DEBUG_CONNS, "ber_flush failed errno=%d reason=\"%s\"\n", err, sock_errstr(err), 0 ); #endif if ( err != EWOULDBLOCK && err != EAGAIN ) { connection_closing( conn ); ldap_pvt_thread_mutex_unlock( &conn->c_mutex ); ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex ); return( -1 ); } /* wait for socket to be write-ready */ conn->c_writewaiter = 1; ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_GET_FD, &sd ); slapd_set_write( sd, 1 ); ldap_pvt_thread_cond_wait( &conn->c_write_cv, &conn->c_mutex ); conn->c_writewaiter = 0; } ldap_pvt_thread_mutex_unlock( &conn->c_mutex ); ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex ); return bytes; } static int send_ldap_controls( BerElement *ber, LDAPControl **c ) { int rc; if( c == NULL ) return 0; rc = ber_printf( ber, "t{"/*}*/, LDAP_TAG_CONTROLS ); if( rc == -1 ) return rc; for( ; *c != NULL; c++) { rc = ber_printf( ber, "{s" /*}*/, (*c)->ldctl_oid ); if( (*c)->ldctl_iscritical ) { rc = ber_printf( ber, "b", (ber_int_t) (*c)->ldctl_iscritical ) ; if( rc == -1 ) return rc; } if( (*c)->ldctl_value.bv_val != NULL ) { rc = ber_printf( ber, "O", &((*c)->ldctl_value)); if( rc == -1 ) return rc; } rc = ber_printf( ber, /*{*/"N}" ); if( rc == -1 ) return rc; } rc = ber_printf( ber, /*{*/"N}" ); return rc; } static void send_ldap_response( Connection *conn, Operation *op, ber_tag_t tag, ber_int_t msgid, ber_int_t err, const char *matched, const char *text, BerVarray ref, const char *resoid, struct berval *resdata, struct berval *sasldata, LDAPControl **ctrls ) { char berbuf[LBER_ELEMENT_SIZEOF]; BerElement *ber = (BerElement *)berbuf; int rc; long bytes; if (op->o_callback && op->o_callback->sc_response) { op->o_callback->sc_response( conn, op, tag, msgid, err, matched, text, ref, resoid, resdata, sasldata, ctrls ); return; } #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp) ber = op->o_res_ber; else #endif ber_init_w_nullc( ber, LBER_USE_DER ); #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ENTRY, "send_ldap_response: msgid=%d tag=%lu err=%d\n", msgid, tag, err ); #else Debug( LDAP_DEBUG_TRACE, "send_ldap_response: msgid=%d tag=%lu err=%d\n", msgid, tag, err ); #endif if( ref ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ARGS, "send_ldap_response: conn %lu ref=\"%s\"\n", conn ? conn->c_connid : 0, ref[0].bv_val ? ref[0].bv_val : "NULL" , 0 ); #else Debug( LDAP_DEBUG_ARGS, "send_ldap_response: ref=\"%s\"\n", ref[0].bv_val ? ref[0].bv_val : "NULL", NULL, NULL ); #endif } #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp && conn->c_protocol == LDAP_VERSION2) { rc = ber_printf( ber, "t{ess" /*"}}"*/, tag, err, matched == NULL ? "" : matched, text == NULL ? "" : text ); } else #endif { rc = ber_printf( ber, "{it{ess" /*"}}"*/, msgid, tag, err, matched == NULL ? "" : matched, text == NULL ? "" : text ); } if( rc != -1 ) { if ( ref != NULL ) { assert( err == LDAP_REFERRAL ); rc = ber_printf( ber, "t{W}", LDAP_TAG_REFERRAL, ref ); } else { assert( err != LDAP_REFERRAL ); } } if( rc != -1 && sasldata != NULL ) { rc = ber_printf( ber, "tO", LDAP_TAG_SASL_RES_CREDS, sasldata ); } if( rc != -1 && resoid != NULL ) { rc = ber_printf( ber, "ts", LDAP_TAG_EXOP_RES_OID, resoid ); } if( rc != -1 && resdata != NULL ) { rc = ber_printf( ber, "tO", LDAP_TAG_EXOP_RES_VALUE, resdata ); } if( rc != -1 ) { rc = ber_printf( ber, /*"{"*/ "N}" ); } if( rc != -1 && ctrls != NULL ) { rc = send_ldap_controls( ber, ctrls ); } if( rc != -1 ) { rc = ber_printf( ber, /*"{"*/ "N}" ); } if ( rc == -1 ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "send_ldap_response: conn %lu ber_printf failed\n", conn ? conn->c_connid : 0, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 ); #endif #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp == 0) #endif ber_free_buf( ber ); return; } /* send BER */ bytes = send_ldap_ber( conn, ber ); #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp == 0) #endif ber_free_buf( ber ); if ( bytes < 0 ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "send_ldap_response: conn %lu ber write failed\n", conn ? conn->c_connid : 0, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "send_ldap_response: ber write failed\n", 0, 0, 0 ); #endif return; } #ifdef LDAP_SLAPI slapi_pblock_set( op->o_pb, SLAPI_RESULT_CODE, (void *)err ); slapi_pblock_set( op->o_pb, SLAPI_RESULT_MATCHED, ( matched != NULL ) ? (void *)ch_strdup( matched ) : NULL ); slapi_pblock_set( op->o_pb, SLAPI_RESULT_TEXT, ( text != NULL ) ? (void *)ch_strdup( text ) : NULL ); #endif /* LDAP_SLAPI */ ldap_pvt_thread_mutex_lock( &num_sent_mutex ); num_bytes_sent += bytes; num_pdu_sent++; ldap_pvt_thread_mutex_unlock( &num_sent_mutex ); return; } void send_ldap_disconnect( Connection *conn, Operation *op, ber_int_t err, const char *text ) { ber_tag_t tag; ber_int_t msgid; char *reqoid; #define LDAP_UNSOLICITED_ERROR(e) \ ( (e) == LDAP_PROTOCOL_ERROR \ || (e) == LDAP_STRONG_AUTH_REQUIRED \ || (e) == LDAP_UNAVAILABLE ) assert( LDAP_UNSOLICITED_ERROR( err ) ); #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ENTRY, "send_ldap_disconnect: conn %lu %d:%s\n", conn ? conn->c_connid : 0, err, text ? text : "" ); #else Debug( LDAP_DEBUG_TRACE, "send_ldap_disconnect %d:%s\n", err, text ? text : "", NULL ); #endif if ( op->o_protocol < LDAP_VERSION3 ) { reqoid = NULL; tag = req2res( op->o_tag ); msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0; } else { reqoid = LDAP_NOTICE_DISCONNECT; tag = LDAP_RES_EXTENDED; msgid = 0; } send_ldap_response( conn, op, tag, msgid, err, NULL, text, NULL, reqoid, NULL, NULL, NULL ); Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu DISCONNECT tag=%lu err=%d text=%s\n", op->o_connid, op->o_opid, tag, err, text ? text : "" ); } void slap_send_ldap_result( Connection *conn, Operation *op, ber_int_t err, const char *matched, const char *text, BerVarray ref, LDAPControl **ctrls ) { ber_tag_t tag; ber_int_t msgid; char *tmp = NULL; assert( !LDAP_API_ERROR( err ) ); #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ENTRY, "send_ldap_result: conn %lu op=%lu p=%d\n", op->o_connid, op->o_opid, op->o_protocol ); #else Debug( LDAP_DEBUG_TRACE, "send_ldap_result: conn=%lu op=%lu p=%d\n", op->o_connid, op->o_opid, op->o_protocol ); #endif #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ARGS, "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n", err, matched ? matched : "", text ? text : "" ); #else Debug( LDAP_DEBUG_ARGS, "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n", err, matched ? matched : "", text ? text : "" ); #endif if( ref ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ARGS, "send_ldap_result: referral=\"%s\"\n", ref[0].bv_val ? ref[0].bv_val : "NULL", 0, 0 ); #else Debug( LDAP_DEBUG_ARGS, "send_ldap_result: referral=\"%s\"\n", ref[0].bv_val ? ref[0].bv_val : "NULL", NULL, NULL ); #endif } assert( err != LDAP_PARTIAL_RESULTS ); if ( err == LDAP_REFERRAL ) { #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE if( op->o_domain_scope ) { ref = NULL; } #endif if( ref == NULL ) { err = LDAP_NO_SUCH_OBJECT; } else if ( op->o_protocol < LDAP_VERSION3 ) { err = LDAP_PARTIAL_RESULTS; } } if ( op->o_protocol < LDAP_VERSION3 ) { tmp = v2ref( ref, text ); text = tmp; ref = NULL; } tag = req2res( op->o_tag ); msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0; send_ldap_response( conn, op, tag, msgid, err, matched, text, ref, NULL, NULL, NULL, ctrls ); Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu RESULT tag=%lu err=%d text=%s\n", op->o_connid, op->o_opid, tag, err, text ? text : "" ); if( tmp != NULL ) { ch_free(tmp); } } void send_ldap_sasl( Connection *conn, Operation *op, ber_int_t err, const char *matched, const char *text, BerVarray ref, LDAPControl **ctrls, struct berval *cred ) { ber_tag_t tag; ber_int_t msgid; #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ENTRY, "send_ldap_sasl: conn %lu err=%d len=%lu\n", op->o_connid, err, cred ? cred->bv_len : -1 ); #else Debug( LDAP_DEBUG_TRACE, "send_ldap_sasl: err=%d len=%ld\n", err, cred ? (long) cred->bv_len : -1, NULL ); #endif tag = req2res( op->o_tag ); msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0; send_ldap_response( conn, op, tag, msgid, err, matched, text, ref, NULL, NULL, cred, ctrls ); } void slap_send_ldap_extended( Connection *conn, Operation *op, ber_int_t err, const char *matched, const char *text, BerVarray refs, const char *rspoid, struct berval *rspdata, LDAPControl **ctrls ) { ber_tag_t tag; ber_int_t msgid; #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ENTRY, "send_ldap_extended: err=%d oid=%s len=%ld\n", err, rspoid ? rspoid : "", rspdata != NULL ? rspdata->bv_len : 0 ); #else Debug( LDAP_DEBUG_TRACE, "send_ldap_extended: err=%d oid=%s len=%ld\n", err, rspoid ? rspoid : "", rspdata != NULL ? rspdata->bv_len : 0 ); #endif tag = req2res( op->o_tag ); msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0; send_ldap_response( conn, op, tag, msgid, err, matched, text, refs, rspoid, rspdata, NULL, ctrls ); } #ifdef LDAP_RES_INTERMEDIATE_RESP void slap_send_ldap_intermediate_resp( Connection *conn, Operation *op, ber_int_t err, const char *matched, const char *text, BerVarray refs, const char *rspoid, struct berval *rspdata, LDAPControl **ctrls ) { ber_tag_t tag; ber_int_t msgid; #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ENTRY, "send_ldap_intermediate: err=%d oid=%s len=%ld\n", err, rspoid ? rspoid : "", rspdata != NULL ? rspdata->bv_len : 0 ); #else Debug( LDAP_DEBUG_TRACE, "send_ldap_intermediate: err=%d oid=%s len=%ld\n", err, rspoid ? rspoid : "", rspdata != NULL ? rspdata->bv_len : 0 ); #endif tag = LDAP_RES_INTERMEDIATE_RESP; msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0; send_ldap_response( conn, op, tag, msgid, err, matched, text, refs, rspoid, rspdata, NULL, ctrls ); } #endif void slap_send_search_result( Connection *conn, Operation *op, ber_int_t err, const char *matched, const char *text, BerVarray refs, LDAPControl **ctrls, int nentries ) { ber_tag_t tag; ber_int_t msgid; char *tmp = NULL; assert( !LDAP_API_ERROR( err ) ); if (op->o_callback && op->o_callback->sc_sresult) { op->o_callback->sc_sresult(conn, op, err, matched, text, refs, ctrls, nentries); return; } #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ENTRY, "send_search_result: err=%d matched=\"%s\" text=\"%s\"\n", err, matched ? matched : "", text ? text : "" ); #else Debug( LDAP_DEBUG_TRACE, "send_search_result: err=%d matched=\"%s\" text=\"%s\"\n", err, matched ? matched : "", text ? text : "" ); #endif assert( err != LDAP_PARTIAL_RESULTS ); if( op->o_protocol < LDAP_VERSION3 ) { /* send references in search results */ if( err == LDAP_REFERRAL ) { err = LDAP_PARTIAL_RESULTS; } tmp = v2ref( refs, text ); text = tmp; refs = NULL; } else { /* don't send references in search results */ assert( refs == NULL ); refs = NULL; if( err == LDAP_REFERRAL ) { err = LDAP_SUCCESS; } } tag = req2res( op->o_tag ); msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0; send_ldap_response( conn, op, tag, msgid, err, matched, text, refs, NULL, NULL, NULL, ctrls ); { char nbuf[64]; snprintf( nbuf, sizeof nbuf, "%d nentries=%d", err, nentries ); Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu SEARCH RESULT tag=%lu err=%s text=%s\n", op->o_connid, op->o_opid, tag, nbuf, text ? text : "" ); } if (tmp != NULL) { ch_free(tmp); } } int slap_send_search_entry( Backend *be, Connection *conn, Operation *op, Entry *e, AttributeName *attrs, int attrsonly, LDAPControl **ctrls ) { char berbuf[LBER_ELEMENT_SIZEOF]; BerElement *ber = (BerElement *)berbuf; Attribute *a, *aa; int i, j, rc=-1, bytes; char *edn; int userattrs; int opattrs; AccessControlState acl_state = ACL_STATE_INIT; #ifdef LDAP_SLAPI /* Support for computed attribute plugins */ computed_attr_context ctx; AttributeName *anp; #endif AttributeDescription *ad_entry = slap_schema.si_ad_entry; /* a_flags: array of flags telling if the i-th element will be * returned or filtered out * e_flags: array of a_flags */ char **e_flags = NULL; if (op->o_callback && op->o_callback->sc_sendentry) { return op->o_callback->sc_sendentry( be, conn, op, e, attrs, attrsonly, ctrls ); } #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ENTRY, "send_search_entry: conn %lu dn=\"%s\"%s\n", op->o_connid, e->e_dn, attrsonly ? " (attrsOnly)" : "" ); #else Debug( LDAP_DEBUG_TRACE, "=> send_search_entry: dn=\"%s\"%s\n", e->e_dn, attrsonly ? " (attrsOnly)" : "", 0 ); #endif if ( ! access_allowed( be, conn, op, e, ad_entry, NULL, ACL_READ, NULL ) ) { #ifdef NEW_LOGGING LDAP_LOG( ACL, INFO, "send_search_entry: conn %lu access to entry (%s) not allowed\n", op->o_connid, e->e_dn, 0 ); #else Debug( LDAP_DEBUG_ACL, "send_search_entry: access to entry not allowed\n", 0, 0, 0 ); #endif return( 1 ); } edn = e->e_ndn; #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp) ber = op->o_res_ber; else #endif ber_init_w_nullc( ber, LBER_USE_DER ); #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp && conn->c_protocol == LDAP_VERSION2) { rc = ber_printf(ber, "t{0{" /*}}*/, LDAP_RES_SEARCH_ENTRY, &e->e_name); } else #endif { rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid, LDAP_RES_SEARCH_ENTRY, &e->e_name ); } if ( rc == -1 ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "send_search_entry: conn %lu ber_printf failed\n", op->o_connid, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 ); #endif #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp == 0) #endif ber_free_buf( ber ); send_ldap_result( conn, op, LDAP_OTHER, NULL, "encoding DN error", NULL, NULL ); goto error_return; } /* check for special all user attributes ("*") type */ userattrs = ( attrs == NULL ) ? 1 : an_find( attrs, &AllUser ); /* check for special all operational attributes ("+") type */ opattrs = ( attrs == NULL ) ? 0 : an_find( attrs, &AllOper ); /* create an array of arrays of flags. Each flag corresponds * to particular value of attribute and equals 1 if value matches * to ValuesReturnFilter or 0 if not */ if ( op->vrFilter != NULL ) { int k = 0; size_t size; for ( a = e->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) { for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++; } size = i * sizeof(char *) + k; if ( size > 0 ) { char *a_flags; e_flags = SLAP_CALLOC ( 1, i * sizeof(char *) + k ); if( e_flags == NULL ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "send_search_entry: conn %lu SLAP_CALLOC failed\n", conn ? conn->c_connid : 0, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "send_search_entry: SLAP_CALLOC failed\n", 0, 0, 0 ); #endif ber_free( ber, 1 ); send_ldap_result( conn, op, LDAP_OTHER, NULL, "memory error", NULL, NULL ); goto error_return; } a_flags = (char *)(e_flags + i); memset( a_flags, 0, k ); for ( a = e->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) { for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ); e_flags[i] = a_flags; a_flags += j; } rc = filter_matched_values(be, conn, op, e->e_attrs, &e_flags) ; if ( rc == -1 ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "send_search_entry: conn %lu matched values filtering failed\n", conn ? conn->c_connid : 0, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "matched values filtering failed\n", 0, 0, 0 ); #endif #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp == 0) #endif ber_free( ber, 1 ); send_ldap_result( conn, op, LDAP_OTHER, NULL, "matched values filtering error", NULL, NULL ); goto error_return; } } } for ( a = e->e_attrs, j = 0; a != NULL; a = a->a_next, j++ ) { AttributeDescription *desc = a->a_desc; if ( attrs == NULL ) { /* all attrs request, skip operational attributes */ if( is_at_operational( desc->ad_type ) ) { continue; } } else { /* specific attrs requested */ if ( is_at_operational( desc->ad_type ) ) { if( !opattrs && !ad_inlist( desc, attrs ) ) { continue; } } else { if (!userattrs && !ad_inlist( desc, attrs ) ) { continue; } } } if ( ! access_allowed( be, conn, op, e, desc, NULL, ACL_READ, &acl_state ) ) { #ifdef NEW_LOGGING LDAP_LOG( ACL, INFO, "send_search_entry: conn %lu access to attribute %s not " "allowed\n", op->o_connid, desc->ad_cname.bv_val, 0 ); #else Debug( LDAP_DEBUG_ACL, "acl: " "access to attribute %s not allowed\n", desc->ad_cname.bv_val, 0, 0 ); #endif continue; } if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "send_search_entry: conn %lu ber_printf failed\n", op->o_connid, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 ); #endif #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp == 0) #endif ber_free_buf( ber ); send_ldap_result( conn, op, LDAP_OTHER, NULL, "encoding description error", NULL, NULL ); goto error_return; } if ( ! attrsonly ) { for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) { if ( ! access_allowed( be, conn, op, e, desc, &a->a_vals[i], ACL_READ, &acl_state ) ) { #ifdef NEW_LOGGING LDAP_LOG( ACL, INFO, "send_search_entry: conn %lu " "access to attribute %s, value %d not allowed\n", op->o_connid, desc->ad_cname.bv_val, i ); #else Debug( LDAP_DEBUG_ACL, "acl: access to attribute %s, " "value %d not allowed\n", desc->ad_cname.bv_val, i, 0 ); #endif continue; } if ( op->vrFilter && e_flags[j][i] == 0 ){ continue; } if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "send_search_entry: conn %lu " "ber_printf failed.\n", op->o_connid, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 ); #endif #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp == 0) #endif ber_free_buf( ber ); send_ldap_result( conn, op, LDAP_OTHER, NULL, "encoding values error", NULL, NULL ); goto error_return; } } } if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "send_search_entry: conn %lu ber_printf failed\n", op->o_connid, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 ); #endif #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp == 0) #endif ber_free_buf( ber ); send_ldap_result( conn, op, LDAP_OTHER, NULL, "encode end error", NULL, NULL ); goto error_return; } } /* eventually will loop through generated operational attributes */ /* only have subschemaSubentry implemented */ aa = backend_operational( be, conn, op, e, attrs, opattrs ); if ( aa != NULL && op->vrFilter != NULL ) { int k = 0; size_t size; for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) { for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++; } size = i * sizeof(char *) + k; if ( size > 0 ) { char *a_flags, **tmp; /* * Reuse previous memory - we likely need less space * for operational attributes */ tmp = SLAP_REALLOC ( e_flags, i * sizeof(char *) + k ); if ( tmp == NULL ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "send_search_entry: conn %lu " "not enough memory " "for matched values filtering\n", conn ? conn->c_connid : 0, 0, 0); #else Debug( LDAP_DEBUG_ANY, "send_search_entry: conn %lu " "not enough memory " "for matched values filtering\n", conn ? conn->c_connid : 0, 0, 0 ); #endif ber_free( ber, 1 ); send_ldap_result( conn, op, LDAP_NO_MEMORY, NULL, NULL, NULL, NULL ); goto error_return; } e_flags = tmp; a_flags = (char *)(e_flags + i); memset( a_flags, 0, k ); for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) { for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ); e_flags[i] = a_flags; a_flags += j; } rc = filter_matched_values(be, conn, op, aa, &e_flags) ; if ( rc == -1 ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "send_search_entry: conn %lu " "matched values filtering failed\n", conn ? conn->c_connid : 0, 0, 0); #else Debug( LDAP_DEBUG_ANY, "matched values filtering failed\n", 0, 0, 0 ); #endif #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp == 0) #endif ber_free( ber, 1 ); send_ldap_result( conn, op, LDAP_OTHER, NULL, "matched values filtering error", NULL, NULL ); goto error_return; } } } for (a = aa, j=0; a != NULL; a = a->a_next, j++ ) { AttributeDescription *desc = a->a_desc; if ( attrs == NULL ) { /* all attrs request, skip operational attributes */ if( is_at_operational( desc->ad_type ) ) { continue; } } else { /* specific attrs requested */ if( is_at_operational( desc->ad_type ) ) { if( !opattrs && !ad_inlist( desc, attrs ) ) { continue; } } else { if (!userattrs && !ad_inlist( desc, attrs ) ) { continue; } } } if ( ! access_allowed( be, conn, op, e, desc, NULL, ACL_READ, &acl_state ) ) { #ifdef NEW_LOGGING LDAP_LOG( ACL, INFO, "send_search_entry: conn %lu " "access to attribute %s not allowed\n", op->o_connid, desc->ad_cname.bv_val, 0 ); #else Debug( LDAP_DEBUG_ACL, "acl: access to attribute %s " "not allowed\n", desc->ad_cname.bv_val, 0, 0 ); #endif continue; } rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname ); if ( rc == -1 ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "send_search_entry: conn %lu " "ber_printf failed\n", op->o_connid, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 ); #endif #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp == 0) #endif ber_free_buf( ber ); send_ldap_result( conn, op, LDAP_OTHER, NULL, "encoding description error", NULL, NULL ); attrs_free( aa ); goto error_return; } if ( ! attrsonly ) { for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) { if ( ! access_allowed( be, conn, op, e, desc, &a->a_vals[i], ACL_READ, &acl_state ) ) { #ifdef NEW_LOGGING LDAP_LOG( ACL, INFO, "send_search_entry: conn %lu " "access to %s, value %d not allowed\n", op->o_connid, desc->ad_cname.bv_val, i ); #else Debug( LDAP_DEBUG_ACL, "acl: access to attribute %s, " "value %d not allowed\n", desc->ad_cname.bv_val, i, 0 ); #endif continue; } if ( op->vrFilter && e_flags[j][i] == 0 ){ continue; } if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "send_search_entry: conn %lu ber_printf failed\n", op->o_connid, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 ); #endif #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp == 0) #endif ber_free_buf( ber ); send_ldap_result( conn, op, LDAP_OTHER, NULL, "encoding values error", NULL, NULL ); attrs_free( aa ); goto error_return; } } } if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "send_search_entry: conn %lu ber_printf failed\n", op->o_connid, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 ); #endif #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp == 0) #endif ber_free_buf( ber ); send_ldap_result( conn, op, LDAP_OTHER, NULL, "encode end error", NULL, NULL ); attrs_free( aa ); goto error_return; } } #ifdef LDAP_SLAPI /* * First, setup the computed attribute context that is * passed to all plugins. */ ctx.cac_pb = op->o_pb; ctx.cac_attrs = attrs; ctx.cac_attrsonly = attrsonly; ctx.cac_userattrs = userattrs; ctx.cac_opattrs = opattrs; ctx.cac_acl_state = acl_state; ctx.cac_private = (void *)ber; /* * For each client requested attribute, call the plugins. */ if ( attrs != NULL ) { for ( anp = attrs; anp->an_name.bv_val != NULL; anp++ ) { rc = compute_evaluator( &ctx, anp->an_name.bv_val, e, slapi_x_compute_output_ber ); if ( rc == 1 ) { break; } } } else { /* * Technically we shouldn't be returning operational attributes * when the user requested only user attributes. We'll let the * plugin decide whether to be naughty or not. */ rc = compute_evaluator( &ctx, "*", e, slapi_x_compute_output_ber ); } if ( rc == 1 ) { ber_free_buf( ber ); send_ldap_result( conn, op, LDAP_OTHER, NULL, "computed attribute error", NULL, NULL ); goto error_return; } #endif /* LDAP_SLAPI */ /* free e_flags */ if ( e_flags ) { free( e_flags ); e_flags = NULL; } attrs_free( aa ); rc = ber_printf( ber, /*{{*/ "}N}" ); if( rc != -1 && ctrls != NULL ) { rc = send_ldap_controls( ber, ctrls ); } if( rc != -1 ) { rc = ber_printf( ber, /*{*/ "N}" ); } if ( rc == -1 ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "send_search_entry: conn %lu ber_printf failed\n", op->o_connid, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 ); #endif #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp == 0) #endif ber_free_buf( ber ); send_ldap_result( conn, op, LDAP_OTHER, NULL, "encode entry end error", NULL, NULL ); return( 1 ); } #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp == 0) { #endif bytes = op->o_noop ? 0 : send_ldap_ber( conn, ber ); ber_free_buf( ber ); if ( bytes < 0 ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "send_search_entry: conn %lu ber write failed.\n", op->o_connid, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "send_search_entry: ber write failed\n", 0, 0, 0 ); #endif return -1; } ldap_pvt_thread_mutex_lock( &num_sent_mutex ); num_bytes_sent += bytes; num_entries_sent++; num_pdu_sent++; ldap_pvt_thread_mutex_unlock( &num_sent_mutex ); #ifdef LDAP_CONNECTIONLESS } #endif Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu ENTRY dn=\"%s\"\n", conn->c_connid, op->o_opid, e->e_dn, 0, 0 ); #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ENTRY, "send_search_entry: conn %lu exit.\n", op->o_connid, 0, 0 ); #else Debug( LDAP_DEBUG_TRACE, "<= send_search_entry\n", 0, 0, 0 ); #endif rc = 0; error_return:; if ( e_flags ) free( e_flags ); return( rc ); } int slap_send_search_reference( Backend *be, Connection *conn, Operation *op, Entry *e, BerVarray refs, LDAPControl **ctrls, BerVarray *v2refs ) { char berbuf[LBER_ELEMENT_SIZEOF]; BerElement *ber = (BerElement *)berbuf; int rc; int bytes; AttributeDescription *ad_ref = slap_schema.si_ad_ref; AttributeDescription *ad_entry = slap_schema.si_ad_entry; if (op->o_callback && op->o_callback->sc_sendreference) { return op->o_callback->sc_sendreference( be, conn, op, e, refs, ctrls, v2refs ); } #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ENTRY, "send_search_reference: conn %lu dn=\"%s\"\n", op->o_connid, e ? e->e_dn : "(null)", 0 ); #else Debug( LDAP_DEBUG_TRACE, "=> send_search_reference: dn=\"%s\"\n", e ? e->e_dn : "(null)", 0, 0 ); #endif if ( e && ! access_allowed( be, conn, op, e, ad_entry, NULL, ACL_READ, NULL ) ) { #ifdef NEW_LOGGING LDAP_LOG( ACL, INFO, "send_search_reference: conn %lu " "access to entry %s not allowed\n", op->o_connid, e->e_dn, 0 ); #else Debug( LDAP_DEBUG_ACL, "send_search_reference: access to entry not allowed\n", 0, 0, 0 ); #endif return( 1 ); } if ( e && ! access_allowed( be, conn, op, e, ad_ref, NULL, ACL_READ, NULL ) ) { #ifdef NEW_LOGGING LDAP_LOG( ACL, INFO, "send_search_reference: conn %lu access " "to reference not allowed.\n", op->o_connid, 0, 0 ); #else Debug( LDAP_DEBUG_ACL, "send_search_reference: access " "to reference not allowed\n", 0, 0, 0 ); #endif return( 1 ); } #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE if( op->o_domain_scope ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "send_search_reference: conn %lu domainScope control in (%s).\n", op->o_connid, e->e_dn, 0 ); #else Debug( LDAP_DEBUG_ANY, "send_search_reference: domainScope control in (%s)\n", e->e_dn, 0, 0 ); #endif return( 0 ); } #endif if( refs == NULL ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "send_search_reference: conn %lu null ref in (%s).\n", op->o_connid, e ? e->e_dn : "(null)", 0 ); #else Debug( LDAP_DEBUG_ANY, "send_search_reference: null ref in (%s)\n", e ? e->e_dn : "(null)", 0, 0 ); #endif return( 1 ); } if( op->o_protocol < LDAP_VERSION3 ) { /* save the references for the result */ if( refs[0].bv_val != NULL ) { if( value_add( v2refs, refs ) ) return LDAP_OTHER; } return 0; } #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp) ber = op->o_res_ber; else #endif ber_init_w_nullc( ber, LBER_USE_DER ); rc = ber_printf( ber, "{it{W}" /*"}"*/ , op->o_msgid, LDAP_RES_SEARCH_REFERENCE, refs ); if( rc != -1 && ctrls != NULL ) { rc = send_ldap_controls( ber, ctrls ); } if( rc != -1 ) { rc = ber_printf( ber, /*"{"*/ "N}", op->o_msgid, LDAP_RES_SEARCH_REFERENCE, refs ); } if ( rc == -1 ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "send_search_reference: conn %lu " "ber_printf failed.\n", op->o_connid, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "send_search_reference: ber_printf failed\n", 0, 0, 0 ); #endif #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp == 0) #endif ber_free_buf( ber ); send_ldap_result( conn, op, LDAP_OTHER, NULL, "encode DN error", NULL, NULL ); return -1; } #ifdef LDAP_CONNECTIONLESS if (conn->c_is_udp == 0) { #endif bytes = op->o_noop ? 0 : send_ldap_ber( conn, ber ); ber_free_buf( ber ); ldap_pvt_thread_mutex_lock( &num_sent_mutex ); num_bytes_sent += bytes; num_refs_sent++; num_pdu_sent++; ldap_pvt_thread_mutex_unlock( &num_sent_mutex ); #ifdef LDAP_CONNECTIONLESS } #endif Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu REF dn=\"%s\"\n", conn->c_connid, op->o_opid, e ? e->e_dn : "(null)", 0, 0 ); #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ENTRY, "send_search_reference: conn %lu exit.\n", op->o_connid, 0, 0 ); #else Debug( LDAP_DEBUG_TRACE, "<= send_search_reference\n", 0, 0, 0 ); #endif return 0; } int str2result( char *s, int *code, char **matched, char **info ) { int rc; char *c; *code = LDAP_SUCCESS; *matched = NULL; *info = NULL; if ( strncasecmp( s, "RESULT", 6 ) != 0 ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, INFO, "str2result: (%s), expecting \"RESULT\"\n", s, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "str2result (%s) expecting \"RESULT\"\n", s, 0, 0 ); #endif return( -1 ); } rc = 0; while ( (s = strchr( s, '\n' )) != NULL ) { *s++ = '\0'; if ( *s == '\0' ) { break; } if ( (c = strchr( s, ':' )) != NULL ) { c++; } if ( strncasecmp( s, "code", 4 ) == 0 ) { if ( c != NULL ) { *code = atoi( c ); } } else if ( strncasecmp( s, "matched", 7 ) == 0 ) { if ( c != NULL ) { *matched = c; } } else if ( strncasecmp( s, "info", 4 ) == 0 ) { if ( c != NULL ) { *info = c; } } else { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, INFO, "str2result: (%s) unknown.\n", s, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n", s, 0, 0 ); #endif rc = -1; } } return( rc ); }