1 /* result.c - routines to send ldap results, errors, and referrals */
7 #include <sys/socket.h>
8 #include <netinet/in.h>
14 #ifndef SYSERRLIST_IN_STDIO
16 extern char *sys_errlist[];
18 extern int active_threads;
19 extern pthread_mutex_t active_threads_mutex;
20 extern pthread_mutex_t new_conn_mutex;
21 extern pthread_t listener_tid;
22 extern struct acl *acl_get_applicable();
23 extern long num_entries_sent;
24 extern long num_bytes_sent;
25 extern pthread_mutex_t num_sent_mutex;
27 void close_connection();
41 unsigned long tag, bytes;
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 );
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 pthread_kill( listener_tid, SIGSTKFLT );
127 pthread_kill( listener_tid, SIGUSR1 );
129 pthread_cond_wait( &conn->c_wcv, &active_threads_mutex );
130 pthread_mutex_unlock( &active_threads_mutex );
133 pthread_mutex_lock( &new_conn_mutex );
135 pthread_mutex_unlock( &new_conn_mutex );
136 pthread_mutex_unlock( &conn->c_pdumutex );
138 pthread_mutex_lock( &num_sent_mutex );
139 num_bytes_sent += bytes;
140 pthread_mutex_unlock( &num_sent_mutex );
142 Statslog( LDAP_DEBUG_STATS,
143 "conn=%d op=%d RESULT err=%d tag=%d nentries=%d\n", conn->c_connid,
144 op->o_opid, err, tag, nentries );
160 SAFEMEMCPY( (char *)conn->c_sb.sb_useaddr, &op->o_clientaddr,
161 sizeof( struct sockaddr ));
162 Debug( LDAP_DEBUG_TRACE, "UDP response to %s port %d\n",
163 inet_ntoa(((struct sockaddr_in *)
164 conn->c_sb.sb_useaddr)->sin_addr ),
165 ((struct sockaddr_in *) conn->c_sb.sb_useaddr)->sin_port,
169 send_ldap_result2( conn, op, err, matched, text, 0 );
173 send_ldap_search_result(
182 send_ldap_result2( conn, op, err, matched, text, nentries );
197 int i, rc, bytes, sd;
200 Debug( LDAP_DEBUG_TRACE, "=> send_search_entry (%s)\n", e->e_dn, 0, 0 );
202 if ( ! access_allowed( be, conn, op, e, "entry", NULL, op->o_dn,
204 Debug( LDAP_DEBUG_ACL, "acl: access to entry not allowed\n",
210 if ( (ber = ber_alloc_t( conn->c_version == 30 ? 0 : LBER_USE_DER ))
213 if ( (ber = der_alloc()) == NULLBER ) {
215 Debug( LDAP_DEBUG_ANY, "ber_alloc failed\n", 0, 0, 0 );
216 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, NULL,
222 if ( conn->c_version == 30 ) {
223 rc = ber_printf( ber, "{it{{s{", op->o_msgid,
224 LDAP_RES_SEARCH_ENTRY, e->e_dn );
227 rc = ber_printf( ber, "{it{s{", op->o_msgid,
228 LDAP_RES_SEARCH_ENTRY, e->e_dn );
231 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
233 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, NULL,
238 for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
239 if ( attrs != NULL && ! charray_inlist( attrs, a->a_type ) ) {
243 acl = acl_get_applicable( be, op, e, a->a_type );
245 if ( ! acl_access_allowed( acl, be, conn, e, NULL, op,
250 if ( ber_printf( ber, "{s[", a->a_type ) == -1 ) {
251 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
253 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
254 NULL, "ber_printf type" );
259 for ( i = 0; a->a_vals[i] != NULL; i++ ) {
260 if ( a->a_syntax & SYNTAX_DN &&
261 ! acl_access_allowed( acl, be, conn, e,
262 a->a_vals[i], op, ACL_READ ) )
267 if ( ber_printf( ber, "o",
268 a->a_vals[i]->bv_val,
269 a->a_vals[i]->bv_len ) == -1 )
271 Debug( LDAP_DEBUG_ANY,
272 "ber_printf failed\n", 0, 0, 0 );
274 send_ldap_result( conn, op,
275 LDAP_OPERATIONS_ERROR, NULL,
276 "ber_printf value" );
282 if ( ber_printf( ber, "]}" ) == -1 ) {
283 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
285 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
286 NULL, "ber_printf type end" );
292 if ( conn->c_version == 30 ) {
293 rc = ber_printf( ber, "}}}}" );
296 rc = ber_printf( ber, "}}}" );
299 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
301 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, NULL,
302 "ber_printf entry end" );
306 /* write only one pdu at a time - wait til it's our turn */
307 pthread_mutex_lock( &conn->c_pdumutex );
309 bytes = ber->ber_ptr - ber->ber_buf;
310 pthread_mutex_lock( &new_conn_mutex );
311 while ( conn->c_connid == op->o_connid && ber_flush( &conn->c_sb, ber,
313 pthread_mutex_unlock( &new_conn_mutex );
315 * we got an error. if it's ewouldblock, we need to
316 * wait on the socket being writable. otherwise, figure
317 * it's a hard error and return.
320 Debug( LDAP_DEBUG_CONNS, "ber_flush failed errno %d msg (%s)\n",
321 errno, errno > -1 && errno < sys_nerr ? sys_errlist[errno]
324 if ( errno != EWOULDBLOCK && errno != EAGAIN ) {
325 close_connection( conn, op->o_connid, op->o_opid );
327 pthread_mutex_unlock( &conn->c_pdumutex );
331 /* wait for socket to be write-ready */
332 pthread_mutex_lock( &active_threads_mutex );
334 conn->c_writewaiter = 1;
335 pthread_kill( listener_tid, SIGUSR1 );
336 pthread_cond_wait( &conn->c_wcv, &active_threads_mutex );
337 pthread_mutex_unlock( &active_threads_mutex );
340 pthread_mutex_lock( &new_conn_mutex );
342 pthread_mutex_unlock( &new_conn_mutex );
343 pthread_mutex_unlock( &conn->c_pdumutex );
345 pthread_mutex_lock( &num_sent_mutex );
346 num_bytes_sent += bytes;
348 pthread_mutex_unlock( &num_sent_mutex );
350 pthread_mutex_lock( &new_conn_mutex );
351 if ( conn->c_connid == op->o_connid ) {
353 Statslog( LDAP_DEBUG_STATS2, "conn=%d op=%d ENTRY dn=\"%s\"\n",
354 conn->c_connid, op->o_opid, e->e_dn, 0, 0 );
358 pthread_mutex_unlock( &new_conn_mutex );
360 Debug( LDAP_DEBUG_TRACE, "<= send_search_entry\n", 0, 0, 0 );
376 *code = LDAP_SUCCESS;
380 if ( strncasecmp( s, "RESULT", 6 ) != 0 ) {
381 Debug( LDAP_DEBUG_ANY, "str2result (%s) expecting \"RESULT\"\n",
388 while ( (s = strchr( s, '\n' )) != NULL ) {
393 if ( (c = strchr( s, ':' )) != NULL ) {
397 if ( strncasecmp( s, "code", 4 ) == 0 ) {
401 } else if ( strncasecmp( s, "matched", 7 ) == 0 ) {
405 } else if ( strncasecmp( s, "info", 4 ) == 0 ) {
410 Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n",
420 * close_connection - close a connection. takes the connection to close,
421 * the connid associated with the operation generating the close (so we
422 * don't accidentally close a connection that's not ours), and the opid
423 * of the operation generating the close (for logging purposes).
426 close_connection( Connection *conn, int opconnid, int opid )
428 pthread_mutex_lock( &new_conn_mutex );
429 if ( conn->c_sb.sb_sd != -1 && conn->c_connid == opconnid ) {
430 Statslog( LDAP_DEBUG_STATS,
431 "conn=%d op=%d fd=%d closed errno=%d\n", conn->c_connid,
432 opid, conn->c_sb.sb_sd, errno, 0 );
433 close( conn->c_sb.sb_sd );
434 conn->c_sb.sb_sd = -1;
437 pthread_mutex_unlock( &new_conn_mutex );