1 /* result.c - routines to send ldap results, errors, and referrals */
10 #include <ac/string.h>
15 extern int active_threads;
16 extern pthread_mutex_t active_threads_mutex;
17 extern pthread_mutex_t new_conn_mutex;
18 extern pthread_t listener_tid;
19 extern struct acl *acl_get_applicable();
20 extern long num_entries_sent;
21 extern long num_bytes_sent;
22 extern pthread_mutex_t num_sent_mutex;
24 void close_connection();
38 unsigned long tag, bytes;
40 if ( err == LDAP_PARTIAL_RESULTS && (text == NULL || *text == '\0') )
41 err = LDAP_NO_SUCH_OBJECT;
43 Debug( LDAP_DEBUG_TRACE, "send_ldap_result %d:%s:%s\n", err, matched ?
44 matched : "", text ? text : "" );
46 switch ( op->o_tag ) {
52 tag = LDAP_RES_SEARCH_RESULT;
56 tag = LDAP_RES_DELETE;
65 if ( (ber = ber_alloc_t( conn->c_version == 30 ? 0 : LBER_USE_DER ))
68 if ( (ber = der_alloc()) == NULLBER ) {
70 Debug( LDAP_DEBUG_ANY, "ber_alloc failed\n", 0, 0, 0 );
74 #ifdef LDAP_CONNECTIONLESS
76 rc = ber_printf( ber, "{is{t{ess}}}", op->o_msgid, "", tag,
77 err, matched ? matched : "", text ? text : "" );
81 if ( conn->c_version == 30 ) {
82 rc = ber_printf( ber, "{it{{ess}}}", op->o_msgid, tag, err,
83 matched ? matched : "", text ? text : "" );
86 rc = ber_printf( ber, "{it{ess}}", op->o_msgid, tag, err,
87 matched ? matched : "", text ? text : "" );
90 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
94 /* write only one pdu at a time - wait til it's our turn */
95 pthread_mutex_lock( &conn->c_pdumutex );
98 bytes = ber->ber_ptr - ber->ber_buf;
99 pthread_mutex_lock( &new_conn_mutex );
100 while ( conn->c_connid == op->o_connid && ber_flush( &conn->c_sb, ber,
102 pthread_mutex_unlock( &new_conn_mutex );
104 * we got an error. if it's ewouldblock, we need to
105 * wait on the socket being writable. otherwise, figure
106 * it's a hard error and return.
109 Debug( LDAP_DEBUG_CONNS, "ber_flush failed errno %d msg (%s)\n",
110 errno, errno > -1 && errno < sys_nerr ? sys_errlist[errno]
113 if ( errno != EWOULDBLOCK && errno != EAGAIN ) {
114 close_connection( conn, op->o_connid, op->o_opid );
116 pthread_mutex_unlock( &conn->c_pdumutex );
120 /* wait for socket to be write-ready */
121 pthread_mutex_lock( &active_threads_mutex );
123 conn->c_writewaiter = 1;
125 #ifdef HAVE_LINUX_THREADS
126 pthread_kill( listener_tid, SIGSTKFLT );
128 pthread_kill( listener_tid, SIGUSR1 );
131 pthread_cond_wait( &conn->c_wcv, &active_threads_mutex );
132 pthread_mutex_unlock( &active_threads_mutex );
135 pthread_mutex_lock( &new_conn_mutex );
137 pthread_mutex_unlock( &new_conn_mutex );
138 pthread_mutex_unlock( &conn->c_pdumutex );
140 pthread_mutex_lock( &num_sent_mutex );
141 num_bytes_sent += bytes;
142 pthread_mutex_unlock( &num_sent_mutex );
144 Statslog( LDAP_DEBUG_STATS,
145 "conn=%d op=%d RESULT err=%d tag=%d nentries=%d\n", conn->c_connid,
146 op->o_opid, err, tag, nentries );
160 #ifdef LDAP_CONNECTIONLESS
162 SAFEMEMCPY( (char *)conn->c_sb.sb_useaddr, &op->o_clientaddr,
163 sizeof( struct sockaddr ));
164 Debug( LDAP_DEBUG_TRACE, "UDP response to %s port %d\n",
165 inet_ntoa(((struct sockaddr_in *)
166 conn->c_sb.sb_useaddr)->sin_addr ),
167 ((struct sockaddr_in *) conn->c_sb.sb_useaddr)->sin_port,
171 send_ldap_result2( conn, op, err, matched, text, 0 );
175 send_ldap_search_result(
184 send_ldap_result2( conn, op, err, matched, text, nentries );
199 int i, rc, bytes, sd;
203 Debug( LDAP_DEBUG_TRACE, "=> send_search_entry (%s)\n", e->e_dn, 0, 0 );
205 if ( ! access_allowed( be, conn, op, e, "entry", NULL, op->o_dn,
207 Debug( LDAP_DEBUG_ACL, "acl: access to entry not allowed\n",
212 edn = dn_normalize_case( strdup( e->e_dn ) );
215 if ( (ber = ber_alloc_t( conn->c_version == 30 ? 0 : LBER_USE_DER ))
218 if ( (ber = der_alloc()) == NULLBER )
221 Debug( LDAP_DEBUG_ANY, "ber_alloc failed\n", 0, 0, 0 );
222 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, NULL,
228 if ( conn->c_version == 30 ) {
229 rc = ber_printf( ber, "{it{{s{", op->o_msgid,
230 LDAP_RES_SEARCH_ENTRY, e->e_dn );
234 rc = ber_printf( ber, "{it{s{", op->o_msgid,
235 LDAP_RES_SEARCH_ENTRY, e->e_dn );
239 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
241 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, NULL,
246 for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
247 regmatch_t matches[MAXREMATCHES];
249 if ( attrs != NULL && ! charray_inlist( attrs, a->a_type ) ) {
253 /* the lastmod attributes are ignored by ACL checking */
254 if ( strcasecmp( a->a_type, "modifiersname" ) == 0 ||
255 strcasecmp( a->a_type, "modifytimestamp" ) == 0 ||
256 strcasecmp( a->a_type, "creatorsname" ) == 0 ||
257 strcasecmp( a->a_type, "createtimestamp" ) == 0 )
259 Debug( LDAP_DEBUG_ACL, "LASTMOD attribute: %s access DEFAULT\n",
263 acl = acl_get_applicable( be, op, e, a->a_type, edn,
264 MAXREMATCHES, matches );
267 if ( ! acl_access_allowed( acl, be, conn, e, NULL, op, ACL_READ,
273 if ( ber_printf( ber, "{s[", a->a_type ) == -1 ) {
274 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
276 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
277 NULL, "ber_printf type" );
282 for ( i = 0; a->a_vals[i] != NULL; i++ ) {
283 if ( a->a_syntax & SYNTAX_DN &&
284 ! acl_access_allowed( acl, be, conn, e, a->a_vals[i], op,
285 ACL_READ, edn, matches) )
290 if ( ber_printf( ber, "o",
291 a->a_vals[i]->bv_val,
292 a->a_vals[i]->bv_len ) == -1 )
294 Debug( LDAP_DEBUG_ANY,
295 "ber_printf failed\n", 0, 0, 0 );
297 send_ldap_result( conn, op,
298 LDAP_OPERATIONS_ERROR, NULL,
299 "ber_printf value" );
305 if ( ber_printf( ber, "]}" ) == -1 ) {
306 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
308 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
309 NULL, "ber_printf type end" );
317 if ( conn->c_version == 30 ) {
318 rc = ber_printf( ber, "}}}}" );
321 rc = ber_printf( ber, "}}}" );
324 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
326 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, NULL,
327 "ber_printf entry end" );
331 /* write only one pdu at a time - wait til it's our turn */
332 pthread_mutex_lock( &conn->c_pdumutex );
334 bytes = ber->ber_ptr - ber->ber_buf;
335 pthread_mutex_lock( &new_conn_mutex );
336 while ( conn->c_connid == op->o_connid && ber_flush( &conn->c_sb, ber,
338 pthread_mutex_unlock( &new_conn_mutex );
340 * we got an error. if it's ewouldblock, we need to
341 * wait on the socket being writable. otherwise, figure
342 * it's a hard error and return.
345 Debug( LDAP_DEBUG_CONNS, "ber_flush failed errno %d msg (%s)\n",
346 errno, errno > -1 && errno < sys_nerr ? sys_errlist[errno]
349 if ( errno != EWOULDBLOCK && errno != EAGAIN ) {
350 close_connection( conn, op->o_connid, op->o_opid );
352 pthread_mutex_unlock( &conn->c_pdumutex );
356 /* wait for socket to be write-ready */
357 pthread_mutex_lock( &active_threads_mutex );
359 conn->c_writewaiter = 1;
360 pthread_kill( listener_tid, SIGUSR1 );
361 pthread_cond_wait( &conn->c_wcv, &active_threads_mutex );
362 pthread_mutex_unlock( &active_threads_mutex );
365 pthread_mutex_lock( &new_conn_mutex );
367 pthread_mutex_unlock( &new_conn_mutex );
368 pthread_mutex_unlock( &conn->c_pdumutex );
370 pthread_mutex_lock( &num_sent_mutex );
371 num_bytes_sent += bytes;
373 pthread_mutex_unlock( &num_sent_mutex );
375 pthread_mutex_lock( &new_conn_mutex );
376 if ( conn->c_connid == op->o_connid ) {
378 Statslog( LDAP_DEBUG_STATS2, "conn=%d op=%d ENTRY dn=\"%s\"\n",
379 conn->c_connid, op->o_opid, e->e_dn, 0, 0 );
383 pthread_mutex_unlock( &new_conn_mutex );
385 Debug( LDAP_DEBUG_TRACE, "<= send_search_entry\n", 0, 0, 0 );
405 *code = LDAP_SUCCESS;
409 if ( strncasecmp( s, "RESULT", 6 ) != 0 ) {
410 Debug( LDAP_DEBUG_ANY, "str2result (%s) expecting \"RESULT\"\n",
417 while ( (s = strchr( s, '\n' )) != NULL ) {
422 if ( (c = strchr( s, ':' )) != NULL ) {
426 if ( strncasecmp( s, "code", 4 ) == 0 ) {
430 } else if ( strncasecmp( s, "matched", 7 ) == 0 ) {
434 } else if ( strncasecmp( s, "info", 4 ) == 0 ) {
439 Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n",
449 * close_connection - close a connection. takes the connection to close,
450 * the connid associated with the operation generating the close (so we
451 * don't accidentally close a connection that's not ours), and the opid
452 * of the operation generating the close (for logging purposes).
455 close_connection( Connection *conn, int opconnid, int opid )
457 pthread_mutex_lock( &new_conn_mutex );
458 if ( conn->c_sb.sb_sd != -1 && conn->c_connid == opconnid ) {
459 Statslog( LDAP_DEBUG_STATS,
460 "conn=%d op=%d fd=%d closed errno=%d\n", conn->c_connid,
461 opid, conn->c_sb.sb_sd, errno, 0 );
462 close( conn->c_sb.sb_sd );
463 conn->c_sb.sb_sd = -1;
466 pthread_mutex_unlock( &new_conn_mutex );