D-Bus: dbus-server-socket.c Source File

D-Bus 1.10.22

dbus-server-socket.c
1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2 /* dbus-server-socket.c Server implementation for sockets
3 *
4 * Copyright (C) 2002, 2003, 2004, 2006 Red Hat Inc.
5 *
6 * Licensed under the Academic Free License version 2.1
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 *
22 */
23
24 #include <config.h>
25 #include "dbus-internals.h"
26 #include "dbus-server-socket.h"
27 #include "dbus-transport-socket.h"
28 #include "dbus-connection-internal.h"
29 #include "dbus-memory.h"
30 #include "dbus-nonce.h"
31 #include "dbus-string.h"
32
44 typedef struct DBusServerSocket DBusServerSocket;
45
50 struct DBusServerSocket
51 {
52 DBusServer base;
53 int n_fds;
54 DBusSocket *fds;
55 DBusWatch **watch;
56 char *socket_name;
57 DBusNonceFile *noncefile;
58 };
59
60 static void
61 socket_finalize (DBusServer *server)
62 {
63 DBusServerSocket *socket_server = (DBusServerSocket*) server;
64 int i;
65
66 _dbus_server_finalize_base (server);
67
68 for (i = 0 ; i < socket_server->n_fds ; i++)
69 if (socket_server->watch[i])
70 {
71 _dbus_watch_unref (socket_server->watch[i]);
72 socket_server->watch[i] = NULL;
73 }
74
75 dbus_free (socket_server->fds);
76 dbus_free (socket_server->watch);
77 dbus_free (socket_server->socket_name);
78 if (socket_server->noncefile)
79 _dbus_noncefile_delete (socket_server->noncefile, NULL);
80 dbus_free (socket_server->noncefile);
81 dbus_free (server);
82 }
83
84 /* Return value is just for memory, not other failures. */
85 static dbus_bool_t
86 handle_new_client_fd_and_unlock (DBusServer *server,
87 DBusSocket client_fd)
88 {
89 DBusConnection *connection;
90 DBusTransport *transport;
91 DBusNewConnectionFunction new_connection_function;
92 void *new_connection_data;
93
94 _dbus_verbose ("Creating new client connection with fd %" DBUS_SOCKET_FORMAT "\n",
95 _dbus_socket_printable (client_fd));
96
97 HAVE_LOCK_CHECK (server);
98
99 if (!_dbus_set_socket_nonblocking (client_fd, NULL))
100 {
101 SERVER_UNLOCK (server);
102 return TRUE;
103 }
104
105 transport = _dbus_transport_new_for_socket (client_fd, &server->guid_hex, NULL);
106 if (transport == NULL)
107 {
108 _dbus_close_socket (client_fd, NULL);
109 SERVER_UNLOCK (server);
110 return FALSE;
111 }
112
113 if (!_dbus_transport_set_auth_mechanisms (transport,
114 (const char **) server->auth_mechanisms))
115 {
116 _dbus_transport_unref (transport);
117 SERVER_UNLOCK (server);
118 return FALSE;
119 }
120
121 /* note that client_fd is now owned by the transport, and will be
122 * closed on transport disconnection/finalization
123 */
124
125 connection = _dbus_connection_new_for_transport (transport);
126 _dbus_transport_unref (transport);
127 transport = NULL; /* now under the connection lock */
128
129 if (connection == NULL)
130 {
131 SERVER_UNLOCK (server);
132 return FALSE;
133 }
134
135 /* See if someone wants to handle this new connection, self-referencing
136 * for paranoia.
137 */
138 new_connection_function = server->new_connection_function;
139 new_connection_data = server->new_connection_data;
140
141 _dbus_server_ref_unlocked (server);
142 SERVER_UNLOCK (server);
143
144 if (new_connection_function)
145 {
146 (* new_connection_function) (server, connection,
147 new_connection_data);
148 }
149 dbus_server_unref (server);
150
151 /* If no one grabbed a reference, the connection will die. */
152 _dbus_connection_close_if_only_one_ref (connection);
153 dbus_connection_unref (connection);
154
155 return TRUE;
156 }
157
158 static dbus_bool_t
159 socket_handle_watch (DBusWatch *watch,
160 unsigned int flags,
161 void *data)
162 {
163 DBusServer *server = data;
164 DBusServerSocket *socket_server = data;
165
166 #ifndef DBUS_DISABLE_ASSERT
167 int i;
168 dbus_bool_t found = FALSE;
169 #endif
170
171 SERVER_LOCK (server);
172
173 #ifndef DBUS_DISABLE_ASSERT
174 for (i = 0 ; i < socket_server->n_fds ; i++)
175 {
176 if (socket_server->watch[i] == watch)
177 found = TRUE;
178 }
179 _dbus_assert (found);
180 #endif
181
182 _dbus_verbose ("Handling client connection, flags 0x%x\n", flags);
183
184 if (flags & DBUS_WATCH_READABLE)
185 {
186 DBusSocket client_fd;
187 DBusSocket listen_fd;
188 int saved_errno;
189
190 listen_fd = _dbus_watch_get_socket (watch);
191
192 if (socket_server->noncefile)
193 client_fd = _dbus_accept_with_noncefile (listen_fd, socket_server->noncefile);
194 else
195 client_fd = _dbus_accept (listen_fd);
196
197 saved_errno = _dbus_save_socket_errno ();
198
199 if (!_dbus_socket_is_valid (client_fd))
200 {
201 /* EINTR handled for us */
202
203 if (_dbus_get_is_errno_eagain_or_ewouldblock (saved_errno))
204 _dbus_verbose ("No client available to accept after all\n");
205 else
206 _dbus_verbose ("Failed to accept a client connection: %s\n",
207 _dbus_strerror (saved_errno));
208
209 SERVER_UNLOCK (server);
210 }
211 else
212 {
213 if (!handle_new_client_fd_and_unlock (server, client_fd))
214 _dbus_verbose ("Rejected client connection due to lack of memory\n");
215 }
216 }
217
218 if (flags & DBUS_WATCH_ERROR)
219 _dbus_verbose ("Error on server listening socket\n");
220
221 if (flags & DBUS_WATCH_HANGUP)
222 _dbus_verbose ("Hangup on server listening socket\n");
223
224 return TRUE;
225 }
226
227 static void
228 socket_disconnect (DBusServer *server)
229 {
230 DBusServerSocket *socket_server = (DBusServerSocket*) server;
231 int i;
232
233 HAVE_LOCK_CHECK (server);
234
235 for (i = 0 ; i < socket_server->n_fds ; i++)
236 {
237 if (socket_server->watch[i])
238 {
239 _dbus_server_remove_watch (server,
240 socket_server->watch[i]);
241 _dbus_watch_invalidate (socket_server->watch[i]);
242 _dbus_watch_unref (socket_server->watch[i]);
243 socket_server->watch[i] = NULL;
244 }
245
246 _dbus_close_socket (socket_server->fds[i], NULL);
247 _dbus_socket_invalidate (&socket_server->fds[i]);
248 }
249
250 if (socket_server->socket_name != NULL)
251 {
252 DBusString tmp;
253 _dbus_string_init_const (&tmp, socket_server->socket_name);
254 _dbus_delete_file (&tmp, NULL);
255 }
256
257 if (server->published_address)
258 _dbus_daemon_unpublish_session_bus_address();
259
260 HAVE_LOCK_CHECK (server);
261 }
262
263 static const DBusServerVTable socket_vtable = {
264 socket_finalize,
265 socket_disconnect
266 };
267
284 DBusServer*
285 _dbus_server_new_for_socket (DBusSocket *fds,
286 int n_fds,
287 const DBusString *address,
288 DBusNonceFile *noncefile,
289 DBusError *error)
290 {
291 DBusServerSocket *socket_server;
292 DBusServer *server;
293 int i;
294
295 socket_server = dbus_new0 (DBusServerSocket, 1);
296 if (socket_server == NULL)
297 goto failed_0;
298
299 socket_server->noncefile = noncefile;
300
301 socket_server->fds = dbus_new (DBusSocket, n_fds);
302 if (!socket_server->fds)
303 goto failed_0;
304
305 socket_server->watch = dbus_new0 (DBusWatch *, n_fds);
306 if (!socket_server->watch)
307 goto failed_1;
308
309 for (i = 0 ; i < n_fds ; i++)
310 {
311 DBusWatch *watch;
312
313 watch = _dbus_watch_new (_dbus_socket_get_pollable (fds[i]),
314 DBUS_WATCH_READABLE,
315 TRUE,
316 socket_handle_watch, socket_server,
317 NULL);
318 if (watch == NULL)
319 goto failed_2;
320
321 socket_server->n_fds++;
322 socket_server->fds[i] = fds[i];
323 socket_server->watch[i] = watch;
324 }
325
326 if (!_dbus_server_init_base (&socket_server->base,
327 &socket_vtable, address,
328 error))
329 goto failed_2;
330
331 server = (DBusServer*)socket_server;
332
333 SERVER_LOCK (server);
334
335 for (i = 0 ; i < n_fds ; i++)
336 {
337 if (!_dbus_server_add_watch (&socket_server->base,
338 socket_server->watch[i]))
339 {
340 int j;
341 for (j = 0 ; j < i ; j++)
342 _dbus_server_remove_watch (server,
343 socket_server->watch[j]);
344
345 SERVER_UNLOCK (server);
346 _dbus_server_finalize_base (&socket_server->base);
347 goto failed_2;
348 }
349 }
350
351 SERVER_UNLOCK (server);
352
353 _dbus_server_trace_ref (&socket_server->base, 0, 1, "new_for_socket");
354 return (DBusServer*) socket_server;
355
356 failed_2:
357 for (i = 0 ; i < n_fds ; i++)
358 {
359 if (socket_server->watch[i] != NULL)
360 {
361 _dbus_watch_unref (socket_server->watch[i]);
362 socket_server->watch[i] = NULL;
363 }
364 }
365 dbus_free (socket_server->watch);
366
367 failed_1:
368 dbus_free (socket_server->fds);
369
370 failed_0:
371 dbus_free (socket_server);
372
373 if (error != NULL && !dbus_error_is_set (error))
374 _DBUS_SET_OOM (error);
375
376 return NULL;
377 }
378
398 DBusServer*
399 _dbus_server_new_for_tcp_socket (const char *host,
400 const char *bind,
401 const char *port,
402 const char *family,
403 DBusError *error,
404 dbus_bool_t use_nonce)
405 {
406 DBusServer *server;
407 DBusSocket *listen_fds = NULL;
408 int nlisten_fds = 0, i;
409 DBusString address;
410 DBusString host_str;
411 DBusString port_str;
412 DBusNonceFile *noncefile;
413
414 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
415
416 noncefile = NULL;
417
418 if (!_dbus_string_init (&address))
419 {
420 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
421 return NULL;
422 }
423
424 if (!_dbus_string_init (&port_str))
425 {
426 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
427 goto failed_0;
428 }
429
430 if (host == NULL)
431 host = "localhost";
432
433 if (port == NULL)
434 port = "0";
435
436 if (bind == NULL)
437 bind = host;
438 else if (strcmp (bind, "*") == 0)
439 bind = NULL;
440
441 nlisten_fds =_dbus_listen_tcp_socket (bind, port, family,
442 &port_str,
443 &listen_fds, error);
444 if (nlisten_fds <= 0)
445 {
446 _DBUS_ASSERT_ERROR_IS_SET(error);
447 goto failed_1;
448 }
449
450 _dbus_string_init_const (&host_str, host);
451 if (!_dbus_string_append (&address, use_nonce ? "nonce-tcp:host=" : "tcp:host=") ||
452 !_dbus_address_append_escaped (&address, &host_str) ||
453 !_dbus_string_append (&address, ",port=") ||
454 !_dbus_string_append (&address, _dbus_string_get_const_data(&port_str)))
455 {
456 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
457 goto failed_2;
458 }
459 if (family &&
460 (!_dbus_string_append (&address, ",family=") ||
461 !_dbus_string_append (&address, family)))
462 {
463 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
464 goto failed_2;
465 }
466
467 if (use_nonce)
468 {
469 noncefile = dbus_new0 (DBusNonceFile, 1);
470 if (noncefile == NULL)
471 {
472 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
473 goto failed_2;
474 }
475
476 if (!_dbus_noncefile_create (noncefile, error))
477 goto failed_3;
478
479 if (!_dbus_string_append (&address, ",noncefile=") ||
480 !_dbus_address_append_escaped (&address, _dbus_noncefile_get_path (noncefile)))
481 {
482 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
483 goto failed_4;
484 }
485
486 }
487
488 server = _dbus_server_new_for_socket (listen_fds, nlisten_fds, &address, noncefile, error);
489 if (server == NULL)
490 {
491 if (noncefile != NULL)
492 goto failed_4;
493 else
494 goto failed_2;
495 }
496
497 _dbus_string_free (&port_str);
498 _dbus_string_free (&address);
499 dbus_free(listen_fds);
500
501 return server;
502
503 failed_4:
504 _dbus_noncefile_delete (noncefile, NULL);
505
506 failed_3:
507 dbus_free (noncefile);
508
509 failed_2:
510 for (i = 0 ; i < nlisten_fds ; i++)
511 _dbus_close_socket (listen_fds[i], NULL);
512 dbus_free(listen_fds);
513
514 failed_1:
515 _dbus_string_free (&port_str);
516
517 failed_0:
518 _dbus_string_free (&address);
519
520 return NULL;
521 }
522
535 DBusServerListenResult
536 _dbus_server_listen_socket (DBusAddressEntry *entry,
537 DBusServer **server_p,
538 DBusError *error)
539 {
540 const char *method;
541
542 *server_p = NULL;
543
544 method = dbus_address_entry_get_method (entry);
545
546 if (strcmp (method, "tcp") == 0 || strcmp (method, "nonce-tcp") == 0)
547 {
548 const char *host;
549 const char *port;
550 const char *bind;
551 const char *family;
552
553 host = dbus_address_entry_get_value (entry, "host");
554 bind = dbus_address_entry_get_value (entry, "bind");
555 port = dbus_address_entry_get_value (entry, "port");
556 family = dbus_address_entry_get_value (entry, "family");
557
558 *server_p = _dbus_server_new_for_tcp_socket (host, bind, port,
559 family, error, strcmp (method, "nonce-tcp") == 0 ? TRUE : FALSE);
560
561 if (*server_p)
562 {
563 _DBUS_ASSERT_ERROR_IS_CLEAR(error);
564 return DBUS_SERVER_LISTEN_OK;
565 }
566 else
567 {
568 _DBUS_ASSERT_ERROR_IS_SET(error);
569 return DBUS_SERVER_LISTEN_DID_NOT_CONNECT;
570 }
571 }
572 else
573 {
574 _DBUS_ASSERT_ERROR_IS_CLEAR(error);
575 return DBUS_SERVER_LISTEN_NOT_HANDLED;
576 }
577 }
578
588 void
589 _dbus_server_socket_own_filename (DBusServer *server,
590 char *filename)
591 {
592 DBusServerSocket *socket_server = (DBusServerSocket*) server;
593
594 socket_server->socket_name = filename;
595 }
596
597
_dbus_string_append
dbus_bool_t _dbus_string_append(DBusString *str, const char *buffer)
Appends a nul-terminated C-style string to a DBusString.
Definition: dbus-string.c:935
_dbus_server_add_watch
dbus_bool_t _dbus_server_add_watch(DBusServer *server, DBusWatch *watch)
Adds a watch for this server, chaining out to application-provided watch handlers.
Definition: dbus-server.c:296
_dbus_watch_new
DBusWatch * _dbus_watch_new(DBusPollable fd, unsigned int flags, dbus_bool_t enabled, DBusWatchHandler handler, void *data, DBusFreeFunction free_data_function)
Creates a new DBusWatch.
Definition: dbus-watch.c:88
DBusServerSocket::noncefile
DBusNonceFile * noncefile
Nonce file used to authenticate clients.
Definition: dbus-server-socket.c:57
DBusWatch
Implementation of DBusWatch.
Definition: dbus-watch.c:40
NULL
#define NULL
A null pointer, defined appropriately for C or C++.
dbus_free
void dbus_free(void *memory)
Frees a block of memory previously allocated by dbus_malloc() or dbus_malloc0().
Definition: dbus-memory.c:701
dbus_new
#define dbus_new(type, count)
Safe macro for using dbus_malloc().
Definition: dbus-memory.h:58
DBusServer
Internals of DBusServer object.
Definition: dbus-server-protected.h:56
_dbus_assert
#define _dbus_assert(condition)
Aborts with an error message if the condition is false.
Definition: dbus-internals.h:148
dbus_address_entry_get_method
const char * dbus_address_entry_get_method(DBusAddressEntry *entry)
Returns the method string of an address entry.
Definition: dbus-address.c:227
_dbus_connection_close_if_only_one_ref
void _dbus_connection_close_if_only_one_ref(DBusConnection *connection)
Used internally to handle the semantics of dbus_server_set_new_connection_function().
Definition: dbus-connection.c:2146
DBusConnection
Implementation details of DBusConnection.
Definition: dbus-connection.c:256
_dbus_string_init
dbus_bool_t _dbus_string_init(DBusString *str)
Initializes a string.
Definition: dbus-string.c:175
_dbus_server_ref_unlocked
DBUS_PRIVATE_EXPORT void _dbus_server_ref_unlocked(DBusServer *server)
Like dbus_server_ref() but does not acquire the lock (must already be held)
Definition: dbus-server.c:456
DBusNewConnectionFunction
void(* DBusNewConnectionFunction)(DBusServer *server, DBusConnection *new_connection, void *data)
Called when a new connection to the server is available.
Definition: dbus-server.h:47
DBusServer::new_connection_function
DBusNewConnectionFunction new_connection_function
Callback to invoke when a new connection is created.
Definition: dbus-server-protected.h:76
_dbus_close_socket
dbus_bool_t _dbus_close_socket(DBusSocket fd, DBusError *error)
Closes a socket.
Definition: dbus-sysdeps-unix.c:283
_dbus_server_new_for_tcp_socket
DBusServer * _dbus_server_new_for_tcp_socket(const char *host, const char *bind, const char *port, const char *family, DBusError *error, dbus_bool_t use_nonce)
Creates a new server listening on TCP.
Definition: dbus-server-socket.c:399
DBusServer::auth_mechanisms
char ** auth_mechanisms
Array of allowed authentication mechanisms.
Definition: dbus-server-protected.h:85
_dbus_delete_file
dbus_bool_t _dbus_delete_file(const DBusString *filename, DBusError *error)
Deletes the given file.
Definition: dbus-file-unix.c:399
_dbus_transport_set_auth_mechanisms
dbus_bool_t _dbus_transport_set_auth_mechanisms(DBusTransport *transport, const char **mechanisms)
Sets the SASL authentication mechanisms supported by this transport.
Definition: dbus-transport.c:1526
_dbus_server_new_for_socket
DBusServer * _dbus_server_new_for_socket(DBusSocket *fds, int n_fds, const DBusString *address, DBusNonceFile *noncefile, DBusError *error)
Creates a new server listening on the given file descriptor.
Definition: dbus-server-socket.c:285
DBusSocket
Socket interface.
Definition: dbus-sysdeps.h:148
DBusNonceFile
Definition: dbus-nonce.h:36
dbus_address_entry_get_value
const char * dbus_address_entry_get_value(DBusAddressEntry *entry, const char *key)
Returns a value from a key of an entry.
Definition: dbus-address.c:244
DBusServerSocket
Implementation details of DBusServerSocket.
Definition: dbus-server-socket.c:50
_dbus_transport_new_for_socket
DBusTransport * _dbus_transport_new_for_socket(DBusSocket fd, const DBusString *server_guid, const DBusString *address)
Creates a new transport for the given socket file descriptor.
Definition: dbus-transport-socket.c:1275
dbus_new0
#define dbus_new0(type, count)
Safe macro for using dbus_malloc0().
Definition: dbus-memory.h:59
DBusString
Definition: dbus-string.h:42
_dbus_get_is_errno_eagain_or_ewouldblock
dbus_bool_t _dbus_get_is_errno_eagain_or_ewouldblock(int e)
See if errno is EAGAIN or EWOULDBLOCK (this has to be done differently for Winsock so is abstracted) ...
Definition: dbus-sysdeps-unix.c:4267
dbus_bool_t
dbus_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE.
Definition: dbus-types.h:35
_dbus_string_init_const
void _dbus_string_init_const(DBusString *str, const char *value)
Initializes a constant string.
Definition: dbus-string.c:190
_dbus_server_socket_own_filename
void _dbus_server_socket_own_filename(DBusServer *server, char *filename)
This is a bad hack since it&#39;s really unix domain socket specific.
Definition: dbus-server-socket.c:589
_dbus_accept
DBusSocket _dbus_accept(DBusSocket listen_fd)
Accepts a connection on a listening socket.
Definition: dbus-sysdeps-unix.c:2220
DBusAddressEntry
Internals of DBusAddressEntry.
Definition: dbus-address.c:43
_dbus_server_remove_watch
void _dbus_server_remove_watch(DBusServer *server, DBusWatch *watch)
Removes a watch previously added with _dbus_server_remove_watch().
Definition: dbus-server.c:312
_dbus_watch_invalidate
void _dbus_watch_invalidate(DBusWatch *watch)
Clears the file descriptor from a now-invalid watch object so that no one tries to use it...
Definition: dbus-watch.c:169
DBusError
Object representing an exception.
Definition: dbus-errors.h:48
_dbus_address_append_escaped
dbus_bool_t _dbus_address_append_escaped(DBusString *escaped, const DBusString *unescaped)
Appends an escaped version of one string to another string, using the D-Bus address escaping mechanis...
Definition: dbus-address.c:104
_dbus_listen_tcp_socket
int _dbus_listen_tcp_socket(const char *host, const char *port, const char *family, DBusString *retport, DBusSocket **fds_p, DBusError *error)
Creates a socket and binds it to the given path, then listens on the socket.
Definition: dbus-sysdeps-unix.c:1460
DBusServerSocket::fds
DBusSocket * fds
File descriptor or DBUS_SOCKET_INVALID if disconnected.
Definition: dbus-server-socket.c:54
dbus_set_error
void dbus_set_error(DBusError *error, const char *name, const char *format,...)
Assigns an error name and message to a DBusError.
Definition: dbus-errors.c:354
_dbus_server_finalize_base
void _dbus_server_finalize_base(DBusServer *server)
Finalizes the members of the DBusServer base class.
Definition: dbus-server.c:201
DBusServerVTable
Virtual table to be implemented by all server "subclasses".
Definition: dbus-server-protected.h:43
dbus_server_unref
void dbus_server_unref(DBusServer *server)
Decrements the reference count of a DBusServer.
Definition: dbus-server.c:728
DBUS_WATCH_ERROR
As in POLLERR (can&#39;t watch for this, but can be present in current state passed to dbus_watch_handle(...
Definition: dbus-connection.h:62
_dbus_connection_new_for_transport
DBusConnection * _dbus_connection_new_for_transport(DBusTransport *transport)
Creates a new connection for the given transport.
Definition: dbus-connection.c:1249
_dbus_string_free
void _dbus_string_free(DBusString *str)
Frees a string created by _dbus_string_init().
Definition: dbus-string.c:259
TRUE
#define TRUE
Expands to "1".
DBUS_WATCH_HANGUP
As in POLLHUP (can&#39;t watch for it, but can be present in current state passed to dbus_watch_handle())...
Definition: dbus-connection.h:67
DBusServer::published_address
dbus_bool_t published_address
flag which indicates that server has published its bus address.
Definition: dbus-server-protected.h:70
DBusTransport
Object representing a transport such as a socket.
Definition: dbus-transport-protected.h:80
DBusServer::new_connection_data
void * new_connection_data
Data for new connection callback.
Definition: dbus-server-protected.h:78
_dbus_server_listen_socket
DBusServerListenResult _dbus_server_listen_socket(DBusAddressEntry *entry, DBusServer **server_p, DBusError *error)
Tries to interpret the address entry for various socket-related addresses (well, currently only tcp a...
Definition: dbus-server-socket.c:536
DBusServerSocket::base
DBusServer base
Parent class members.
Definition: dbus-server-socket.c:52
_dbus_server_init_base
dbus_bool_t _dbus_server_init_base(DBusServer *server, const DBusServerVTable *vtable, const DBusString *address, DBusError *error)
Initializes the members of the DBusServer base class.
Definition: dbus-server.c:112
DBusServerSocket::socket_name
char * socket_name
Name of domain socket, to unlink if appropriate.
Definition: dbus-server-socket.c:56
_dbus_watch_unref
void _dbus_watch_unref(DBusWatch *watch)
Decrements the reference count of a DBusWatch object and finalizes the object if the count reaches ze...
Definition: dbus-watch.c:138
_dbus_set_socket_nonblocking
dbus_bool_t _dbus_set_socket_nonblocking(DBusSocket fd, DBusError *error)
Sets a file descriptor to be nonblocking.
Definition: dbus-sysdeps-unix.c:3283
DBusServer::guid_hex
DBusString guid_hex
Hex-encoded version of GUID.
Definition: dbus-server-protected.h:64
DBUS_ERROR_NO_MEMORY
#define DBUS_ERROR_NO_MEMORY
There was not enough memory to complete an operation.
Definition: dbus-protocol.h:357
FALSE
#define FALSE
Expands to "0".
DBusServerSocket::n_fds
int n_fds
Number of active file handles.
Definition: dbus-server-socket.c:53
DBUS_WATCH_READABLE
As in POLLIN.
Definition: dbus-connection.h:60
dbus_connection_unref
void dbus_connection_unref(DBusConnection *connection)
Decrements the reference count of a DBusConnection, and finalizes it if the count reaches zero...
Definition: dbus-connection.c:2819
dbus_error_is_set
dbus_bool_t dbus_error_is_set(const DBusError *error)
Checks whether an error occurred (the error is set).
Definition: dbus-errors.c:329
_dbus_transport_unref
void _dbus_transport_unref(DBusTransport *transport)
Decrements the reference count for the transport.
Definition: dbus-transport.c:480
DBusServerSocket::watch
DBusWatch ** watch
File descriptor watch.
Definition: dbus-server-socket.c:55