D-Bus: dbus-sysdeps-win.c Source File

D-Bus 1.10.22

dbus-sysdeps-win.c
1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2 /* dbus-sysdeps.c Wrappers around system/libc features (internal to D-BUS implementation)
3 *
4 * Copyright (C) 2002, 2003 Red Hat, Inc.
5 * Copyright (C) 2003 CodeFactory AB
6 * Copyright (C) 2005 Novell, Inc.
7 * Copyright (C) 2006 Peter Kümmel <syntheticpp@gmx.net>
8 * Copyright (C) 2006 Christian Ehrlicher <ch.ehrlicher@gmx.de>
9 * Copyright (C) 2006-2013 Ralf Habacker <ralf.habacker@freenet.de>
10 *
11 * Licensed under the Academic Free License version 2.1
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 *
27 */
28
29 #include <config.h>
30
31 #define STRSAFE_NO_DEPRECATE
32
33 #ifndef DBUS_WINCE
34 #ifndef _WIN32_WINNT
35 #define _WIN32_WINNT 0x0501
36 #endif
37 #endif
38
39 #include "dbus-internals.h"
40 #include "dbus-sha.h"
41 #include "dbus-sysdeps.h"
42 #include "dbus-threads.h"
43 #include "dbus-protocol.h"
44 #include "dbus-string.h"
45 #include "dbus-sysdeps.h"
46 #include "dbus-sysdeps-win.h"
47 #include "dbus-protocol.h"
48 #include "dbus-hash.h"
49 #include "dbus-sockets-win.h"
50 #include "dbus-list.h"
51 #include "dbus-nonce.h"
52 #include "dbus-credentials.h"
53
54 #include <windows.h>
55 #include <wincrypt.h>
56 #include <iphlpapi.h>
57
58 /* Declarations missing in mingw's and windows sdk 7.0 headers */
59 extern BOOL WINAPI ConvertStringSidToSidA (LPCSTR StringSid, PSID *Sid);
60 extern BOOL WINAPI ConvertSidToStringSidA (PSID Sid, LPSTR *StringSid);
61
62 #include <stdio.h>
63 #include <stdlib.h>
64
65 #include <string.h>
66 #if HAVE_ERRNO_H
67 #include <errno.h>
68 #endif
69 #ifndef DBUS_WINCE
70 #include <mbstring.h>
71 #include <sys/stat.h>
72 #include <sys/types.h>
73 #endif
74
75 #ifdef HAVE_WS2TCPIP_H
76 /* getaddrinfo for Windows CE (and Windows). */
77 #include <ws2tcpip.h>
78 #endif
79
80 #ifndef O_BINARY
81 #define O_BINARY 0
82 #endif
83
84 #ifndef PROCESS_QUERY_LIMITED_INFORMATION
85 /* MinGW32 < 4 does not define this value in its headers */
86 #define PROCESS_QUERY_LIMITED_INFORMATION (0x1000)
87 #endif
88
89 typedef int socklen_t;
90
91
92 void
93 _dbus_win_set_errno (int err)
94 {
95 #ifdef DBUS_WINCE
96 SetLastError (err);
97 #else
98 errno = err;
99 #endif
100 }
101
102 static BOOL is_winxp_sp3_or_lower();
103
104 /*
105 * _MIB_TCPROW_EX and friends are not available in system headers
106 * and are mapped to attribute identical ...OWNER_PID typedefs.
107 */
108 typedef MIB_TCPROW_OWNER_PID _MIB_TCPROW_EX;
109 typedef MIB_TCPTABLE_OWNER_PID MIB_TCPTABLE_EX;
110 typedef PMIB_TCPTABLE_OWNER_PID PMIB_TCPTABLE_EX;
111 typedef DWORD (WINAPI *ProcAllocateAndGetTcpExtTableFromStack)(PMIB_TCPTABLE_EX*,BOOL,HANDLE,DWORD,DWORD);
112 static ProcAllocateAndGetTcpExtTableFromStack lpfnAllocateAndGetTcpExTableFromStack = NULL;
113
119 static BOOL
120 load_ex_ip_helper_procedures(void)
121 {
122 HMODULE hModule = LoadLibrary ("iphlpapi.dll");
123 if (hModule == NULL)
124 {
125 _dbus_verbose ("could not load iphlpapi.dll\n");
126 return FALSE;
127 }
128
129 lpfnAllocateAndGetTcpExTableFromStack = (ProcAllocateAndGetTcpExtTableFromStack)GetProcAddress (hModule, "AllocateAndGetTcpExTableFromStack");
130 if (lpfnAllocateAndGetTcpExTableFromStack == NULL)
131 {
132 _dbus_verbose ("could not find function AllocateAndGetTcpExTableFromStack in iphlpapi.dll\n");
133 return FALSE;
134 }
135 return TRUE;
136 }
137
144 static dbus_pid_t
145 get_pid_from_extended_tcp_table(int peer_port)
146 {
147 dbus_pid_t result;
148 DWORD errorCode, size = 0, i;
149 MIB_TCPTABLE_OWNER_PID *tcp_table;
150
151 if ((errorCode =
152 GetExtendedTcpTable (NULL, &size, TRUE, AF_INET, TCP_TABLE_OWNER_PID_ALL, 0)) == ERROR_INSUFFICIENT_BUFFER)
153 {
154 tcp_table = (MIB_TCPTABLE_OWNER_PID *) dbus_malloc (size);
155 if (tcp_table == NULL)
156 {
157 _dbus_verbose ("Error allocating memory\n");
158 return 0;
159 }
160 }
161 else
162 {
163 _dbus_win_warn_win_error ("unexpected error returned from GetExtendedTcpTable", errorCode);
164 return 0;
165 }
166
167 if ((errorCode = GetExtendedTcpTable (tcp_table, &size, TRUE, AF_INET, TCP_TABLE_OWNER_PID_ALL, 0)) != NO_ERROR)
168 {
169 _dbus_verbose ("Error fetching tcp table %d\n", (int)errorCode);
170 dbus_free (tcp_table);
171 return 0;
172 }
173
174 result = 0;
175 for (i = 0; i < tcp_table->dwNumEntries; i++)
176 {
177 MIB_TCPROW_OWNER_PID *p = &tcp_table->table[i];
178 int local_address = ntohl (p->dwLocalAddr);
179 int local_port = ntohs (p->dwLocalPort);
180 if (p->dwState == MIB_TCP_STATE_ESTAB
181 && local_address == INADDR_LOOPBACK && local_port == peer_port)
182 result = p->dwOwningPid;
183 }
184
185 dbus_free (tcp_table);
186 _dbus_verbose ("got pid %lu\n", result);
187 return result;
188 }
189
197 static dbus_pid_t
198 get_pid_from_tcp_ex_table(int peer_port)
199 {
200 dbus_pid_t result;
201 DWORD errorCode, i;
202 PMIB_TCPTABLE_EX tcp_table = NULL;
203
204 if (!load_ex_ip_helper_procedures ())
205 {
206 _dbus_verbose
207 ("Error not been able to load iphelper procedures\n");
208 return 0;
209 }
210
211 errorCode = lpfnAllocateAndGetTcpExTableFromStack (&tcp_table, TRUE, GetProcessHeap(), 0, 2);
212
213 if (errorCode != NO_ERROR)
214 {
215 _dbus_verbose
216 ("Error not been able to call AllocateAndGetTcpExTableFromStack()\n");
217 return 0;
218 }
219
220 result = 0;
221 for (i = 0; i < tcp_table->dwNumEntries; i++)
222 {
223 _MIB_TCPROW_EX *p = &tcp_table->table[i];
224 int local_port = ntohs (p->dwLocalPort);
225 int local_address = ntohl (p->dwLocalAddr);
226 if (local_address == INADDR_LOOPBACK && local_port == peer_port)
227 {
228 result = p->dwOwningPid;
229 break;
230 }
231 }
232
233 HeapFree (GetProcessHeap(), 0, tcp_table);
234 _dbus_verbose ("got pid %lu\n", result);
235 return result;
236 }
237
243 static dbus_pid_t
244 _dbus_get_peer_pid_from_tcp_handle (int handle)
245 {
246 struct sockaddr_storage addr;
247 socklen_t len = sizeof (addr);
248 int peer_port;
249
250 dbus_pid_t result;
251 dbus_bool_t is_localhost = FALSE;
252
253 getpeername (handle, (struct sockaddr *) &addr, &len);
254
255 if (addr.ss_family == AF_INET)
256 {
257 struct sockaddr_in *s = (struct sockaddr_in *) &addr;
258 peer_port = ntohs (s->sin_port);
259 is_localhost = (ntohl (s->sin_addr.s_addr) == INADDR_LOOPBACK);
260 }
261 else if (addr.ss_family == AF_INET6)
262 {
263 _dbus_verbose ("FIXME [61922]: IPV6 support not working on windows\n");
264 return 0;
265 /*
266 struct sockaddr_in6 *s = (struct sockaddr_in6 * )&addr;
267 peer_port = ntohs (s->sin6_port);
268 is_localhost = (memcmp(s->sin6_addr.s6_addr, in6addr_loopback.s6_addr, 16) == 0);
269 _dbus_verbose ("IPV6 %08x %08x\n", s->sin6_addr.s6_addr, in6addr_loopback.s6_addr);
270 */
271 }
272 else
273 {
274 _dbus_verbose ("no idea what address family %d is\n", addr.ss_family);
275 return 0;
276 }
277
278 if (!is_localhost)
279 {
280 _dbus_verbose ("could not fetch process id from remote process\n");
281 return 0;
282 }
283
284 if (peer_port == 0)
285 {
286 _dbus_verbose
287 ("Error not been able to fetch tcp peer port from connection\n");
288 return 0;
289 }
290
291 _dbus_verbose ("trying to get peer's pid\n");
292
293 result = get_pid_from_extended_tcp_table (peer_port);
294 if (result > 0)
295 return result;
296 result = get_pid_from_tcp_ex_table (peer_port);
297 return result;
298 }
299
300 /* Convert GetLastError() to a dbus error. */
301 const char*
302 _dbus_win_error_from_last_error (void)
303 {
304 switch (GetLastError())
305 {
306 case 0:
307 return DBUS_ERROR_FAILED;
308
309 case ERROR_NO_MORE_FILES:
310 case ERROR_TOO_MANY_OPEN_FILES:
311 return DBUS_ERROR_LIMITS_EXCEEDED; /* kernel out of memory */
312
313 case ERROR_ACCESS_DENIED:
314 case ERROR_CANNOT_MAKE:
315 return DBUS_ERROR_ACCESS_DENIED;
316
317 case ERROR_NOT_ENOUGH_MEMORY:
318 return DBUS_ERROR_NO_MEMORY;
319
320 case ERROR_FILE_EXISTS:
321 return DBUS_ERROR_FILE_EXISTS;
322
323 case ERROR_FILE_NOT_FOUND:
324 case ERROR_PATH_NOT_FOUND:
325 return DBUS_ERROR_FILE_NOT_FOUND;
326 }
327
328 return DBUS_ERROR_FAILED;
329 }
330
331
332 char*
333 _dbus_win_error_string (int error_number)
334 {
335 char *msg;
336
337 FormatMessageA (FORMAT_MESSAGE_ALLOCATE_BUFFER |
338 FORMAT_MESSAGE_IGNORE_INSERTS |
339 FORMAT_MESSAGE_FROM_SYSTEM,
340 NULL, error_number, 0,
341 (LPSTR) &msg, 0, NULL);
342
343 if (msg[strlen (msg) - 1] == '\n')
344 msg[strlen (msg) - 1] = '\0';
345 if (msg[strlen (msg) - 1] == '\r')
346 msg[strlen (msg) - 1] = '\0';
347
348 return msg;
349 }
350
351 void
352 _dbus_win_free_error_string (char *string)
353 {
354 LocalFree (string);
355 }
356
377 int
378 _dbus_read_socket (DBusSocket fd,
379 DBusString *buffer,
380 int count)
381 {
382 int bytes_read;
383 int start;
384 char *data;
385
386 _dbus_assert (count >= 0);
387
388 start = _dbus_string_get_length (buffer);
389
390 if (!_dbus_string_lengthen (buffer, count))
391 {
392 _dbus_win_set_errno (ENOMEM);
393 return -1;
394 }
395
396 data = _dbus_string_get_data_len (buffer, start, count);
397
398 again:
399
400 _dbus_verbose ("recv: count=%d fd=%Iu\n", count, fd.sock);
401 bytes_read = recv (fd.sock, data, count, 0);
402
403 if (bytes_read == SOCKET_ERROR)
404 {
405 DBUS_SOCKET_SET_ERRNO();
406 _dbus_verbose ("recv: failed: %s (%d)\n", _dbus_strerror (errno), errno);
407 bytes_read = -1;
408 }
409 else
410 _dbus_verbose ("recv: = %d\n", bytes_read);
411
412 if (bytes_read < 0)
413 {
414 if (errno == EINTR)
415 goto again;
416 else
417 {
418 /* put length back (note that this doesn't actually realloc anything) */
419 _dbus_string_set_length (buffer, start);
420 return -1;
421 }
422 }
423 else
424 {
425 /* put length back (doesn't actually realloc) */
426 _dbus_string_set_length (buffer, start + bytes_read);
427
428 #if 0
429 if (bytes_read > 0)
430 _dbus_verbose_bytes_of_string (buffer, start, bytes_read);
431 #endif
432
433 return bytes_read;
434 }
435 }
436
447 int
448 _dbus_write_socket (DBusSocket fd,
449 const DBusString *buffer,
450 int start,
451 int len)
452 {
453 const char *data;
454 int bytes_written;
455
456 data = _dbus_string_get_const_data_len (buffer, start, len);
457
458 again:
459
460 _dbus_verbose ("send: len=%d fd=%Iu\n", len, fd.sock);
461 bytes_written = send (fd.sock, data, len, 0);
462
463 if (bytes_written == SOCKET_ERROR)
464 {
465 DBUS_SOCKET_SET_ERRNO();
466 _dbus_verbose ("send: failed: %s\n", _dbus_strerror_from_errno ());
467 bytes_written = -1;
468 }
469 else
470 _dbus_verbose ("send: = %d\n", bytes_written);
471
472 if (bytes_written < 0 && errno == EINTR)
473 goto again;
474
475 #if 0
476 if (bytes_written > 0)
477 _dbus_verbose_bytes_of_string (buffer, start, bytes_written);
478 #endif
479
480 return bytes_written;
481 }
482
483
491 dbus_bool_t
492 _dbus_close_socket (DBusSocket fd,
493 DBusError *error)
494 {
495 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
496
497 again:
498 if (closesocket (fd.sock) == SOCKET_ERROR)
499 {
500 DBUS_SOCKET_SET_ERRNO ();
501
502 if (errno == EINTR)
503 goto again;
504
505 dbus_set_error (error, _dbus_error_from_errno (errno),
506 "Could not close socket: socket=%Iu, , %s",
507 fd.sock, _dbus_strerror_from_errno ());
508 return FALSE;
509 }
510 _dbus_verbose ("_dbus_close_socket: socket=%Iu, \n", fd.sock);
511
512 return TRUE;
513 }
514
522 static void
523 _dbus_win_handle_set_close_on_exec (HANDLE handle)
524 {
525 if ( !SetHandleInformation( (HANDLE) handle,
526 HANDLE_FLAG_INHERIT | HANDLE_FLAG_PROTECT_FROM_CLOSE,
527 0 /*disable both flags*/ ) )
528 {
529 _dbus_win_warn_win_error ("Disabling socket handle inheritance failed:", GetLastError());
530 }
531 }
532
540 dbus_bool_t
541 _dbus_set_socket_nonblocking (DBusSocket handle,
542 DBusError *error)
543 {
544 u_long one = 1;
545
546 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
547
548 if (ioctlsocket (handle.sock, FIONBIO, &one) == SOCKET_ERROR)
549 {
550 DBUS_SOCKET_SET_ERRNO ();
551 dbus_set_error (error, _dbus_error_from_errno (errno),
552 "Failed to set socket %Iu to nonblocking: %s",
553 handle.sock, _dbus_strerror_from_errno ());
554 return FALSE;
555 }
556
557 return TRUE;
558 }
559
560
581 int
582 _dbus_write_socket_two (DBusSocket fd,
583 const DBusString *buffer1,
584 int start1,
585 int len1,
586 const DBusString *buffer2,
587 int start2,
588 int len2)
589 {
590 WSABUF vectors[2];
591 const char *data1;
592 const char *data2;
593 int rc;
594 DWORD bytes_written;
595
596 _dbus_assert (buffer1 != NULL);
597 _dbus_assert (start1 >= 0);
598 _dbus_assert (start2 >= 0);
599 _dbus_assert (len1 >= 0);
600 _dbus_assert (len2 >= 0);
601
602
603 data1 = _dbus_string_get_const_data_len (buffer1, start1, len1);
604
605 if (buffer2 != NULL)
606 data2 = _dbus_string_get_const_data_len (buffer2, start2, len2);
607 else
608 {
609 data2 = NULL;
610 start2 = 0;
611 len2 = 0;
612 }
613
614 vectors[0].buf = (char*) data1;
615 vectors[0].len = len1;
616 vectors[1].buf = (char*) data2;
617 vectors[1].len = len2;
618
619 again:
620
621 _dbus_verbose ("WSASend: len1+2=%d+%d fd=%Iu\n", len1, len2, fd.sock);
622 rc = WSASend (fd.sock,
623 vectors,
624 data2 ? 2 : 1,
625 &bytes_written,
626 0,
627 NULL,
628 NULL);
629
630 if (rc == SOCKET_ERROR)
631 {
632 DBUS_SOCKET_SET_ERRNO ();
633 _dbus_verbose ("WSASend: failed: %s\n", _dbus_strerror_from_errno ());
634 bytes_written = -1;
635 }
636 else
637 _dbus_verbose ("WSASend: = %ld\n", bytes_written);
638
639 if (bytes_written < 0 && errno == EINTR)
640 goto again;
641
642 return bytes_written;
643 }
644
645 #if 0
646
655 int
656 _dbus_connect_named_pipe (const char *path,
657 DBusError *error)
658 {
659 _dbus_assert_not_reached ("not implemented");
660 }
661
662 #endif
663
667 dbus_bool_t
668 _dbus_win_startup_winsock (void)
669 {
670 /* Straight from MSDN, deuglified */
671
672 /* Protected by _DBUS_LOCK_sysdeps */
673 static dbus_bool_t beenhere = FALSE;
674
675 WORD wVersionRequested;
676 WSADATA wsaData;
677 int err;
678
679 if (!_DBUS_LOCK (sysdeps))
680 return FALSE;
681
682 if (beenhere)
683 goto out;
684
685 wVersionRequested = MAKEWORD (2, 0);
686
687 err = WSAStartup (wVersionRequested, &wsaData);
688 if (err != 0)
689 {
690 _dbus_assert_not_reached ("Could not initialize WinSock");
691 _dbus_abort ();
692 }
693
694 /* Confirm that the WinSock DLL supports 2.0. Note that if the DLL
695 * supports versions greater than 2.0 in addition to 2.0, it will
696 * still return 2.0 in wVersion since that is the version we
697 * requested.
698 */
699 if (LOBYTE (wsaData.wVersion) != 2 ||
700 HIBYTE (wsaData.wVersion) != 0)
701 {
702 _dbus_assert_not_reached ("No usable WinSock found");
703 _dbus_abort ();
704 }
705
706 beenhere = TRUE;
707
708 out:
709 _DBUS_UNLOCK (sysdeps);
710 return TRUE;
711 }
712
713
714
715
716
717
718
719
720
721 /************************************************************************
722
723 UTF / string code
724
725 ************************************************************************/
726
730 int _dbus_printf_string_upper_bound (const char *format,
731 va_list args)
732 {
733 /* MSVCRT's vsnprintf semantics are a bit different */
734 char buf[1024];
735 int bufsize;
736 int len;
737 va_list args_copy;
738
739 bufsize = sizeof (buf);
740 DBUS_VA_COPY (args_copy, args);
741 len = _vsnprintf (buf, bufsize - 1, format, args_copy);
742 va_end (args_copy);
743
744 while (len == -1) /* try again */
745 {
746 char *p;
747
748 bufsize *= 2;
749
750 p = malloc (bufsize);
751
752 if (p == NULL)
753 return -1;
754
755 DBUS_VA_COPY (args_copy, args);
756 len = _vsnprintf (p, bufsize - 1, format, args_copy);
757 va_end (args_copy);
758 free (p);
759 }
760
761 return len;
762 }
763
764
772 wchar_t *
773 _dbus_win_utf8_to_utf16 (const char *str,
774 DBusError *error)
775 {
776 DBusString s;
777 int n;
778 wchar_t *retval;
779
780 _dbus_string_init_const (&s, str);
781
782 if (!_dbus_string_validate_utf8 (&s, 0, _dbus_string_get_length (&s)))
783 {
784 dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid UTF-8");
785 return NULL;
786 }
787
788 n = MultiByteToWideChar (CP_UTF8, 0, str, -1, NULL, 0);
789
790 if (n == 0)
791 {
792 _dbus_win_set_error_from_win_error (error, GetLastError ());
793 return NULL;
794 }
795
796 retval = dbus_new (wchar_t, n);
797
798 if (!retval)
799 {
800 _DBUS_SET_OOM (error);
801 return NULL;
802 }
803
804 if (MultiByteToWideChar (CP_UTF8, 0, str, -1, retval, n) != n)
805 {
806 dbus_free (retval);
807 dbus_set_error_const (error, DBUS_ERROR_FAILED, "MultiByteToWideChar inconsistency");
808 return NULL;
809 }
810
811 return retval;
812 }
813
821 char *
822 _dbus_win_utf16_to_utf8 (const wchar_t *str,
823 DBusError *error)
824 {
825 int n;
826 char *retval;
827
828 n = WideCharToMultiByte (CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL);
829
830 if (n == 0)
831 {
832 _dbus_win_set_error_from_win_error (error, GetLastError ());
833 return NULL;
834 }
835
836 retval = dbus_malloc (n);
837
838 if (!retval)
839 {
840 _DBUS_SET_OOM (error);
841 return NULL;
842 }
843
844 if (WideCharToMultiByte (CP_UTF8, 0, str, -1, retval, n, NULL, NULL) != n)
845 {
846 dbus_free (retval);
847 dbus_set_error_const (error, DBUS_ERROR_FAILED, "WideCharToMultiByte inconsistency");
848 return NULL;
849 }
850
851 return retval;
852 }
853
854
855
856
857
858
859 /************************************************************************
860
861
862 ************************************************************************/
863
864 dbus_bool_t
865 _dbus_win_account_to_sid (const wchar_t *waccount,
866 void **ppsid,
867 DBusError *error)
868 {
869 dbus_bool_t retval = FALSE;
870 DWORD sid_length, wdomain_length;
871 SID_NAME_USE use;
872 wchar_t *wdomain;
873
874 *ppsid = NULL;
875
876 sid_length = 0;
877 wdomain_length = 0;
878 if (!LookupAccountNameW (NULL, waccount, NULL, &sid_length,
879 NULL, &wdomain_length, &use) &&
880 GetLastError () != ERROR_INSUFFICIENT_BUFFER)
881 {
882 _dbus_win_set_error_from_win_error (error, GetLastError ());
883 return FALSE;
884 }
885
886 *ppsid = dbus_malloc (sid_length);
887 if (!*ppsid)
888 {
889 _DBUS_SET_OOM (error);
890 return FALSE;
891 }
892
893 wdomain = dbus_new (wchar_t, wdomain_length);
894 if (!wdomain)
895 {
896 _DBUS_SET_OOM (error);
897 goto out1;
898 }
899
900 if (!LookupAccountNameW (NULL, waccount, (PSID) *ppsid, &sid_length,
901 wdomain, &wdomain_length, &use))
902 {
903 _dbus_win_set_error_from_win_error (error, GetLastError ());
904 goto out2;
905 }
906
907 if (!IsValidSid ((PSID) *ppsid))
908 {
909 dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid SID");
910 goto out2;
911 }
912
913 retval = TRUE;
914
915 out2:
916 dbus_free (wdomain);
917 out1:
918 if (!retval)
919 {
920 dbus_free (*ppsid);
921 *ppsid = NULL;
922 }
923
924 return retval;
925 }
926
936 unsigned long
937 _dbus_pid_for_log (void)
938 {
939 return _dbus_getpid ();
940 }
941
942 #ifndef DBUS_WINCE
943
944 static BOOL is_winxp_sp3_or_lower()
945 {
946 OSVERSIONINFOEX osvi;
947 DWORDLONG dwlConditionMask = 0;
948 int op=VER_LESS_EQUAL;
949
950 // Initialize the OSVERSIONINFOEX structure.
951
952 ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
953 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
954 osvi.dwMajorVersion = 5;
955 osvi.dwMinorVersion = 1;
956 osvi.wServicePackMajor = 3;
957 osvi.wServicePackMinor = 0;
958
959 // Initialize the condition mask.
960
961 VER_SET_CONDITION( dwlConditionMask, VER_MAJORVERSION, op );
962 VER_SET_CONDITION( dwlConditionMask, VER_MINORVERSION, op );
963 VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMAJOR, op );
964 VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMINOR, op );
965
966 // Perform the test.
967
968 return VerifyVersionInfo(
969 &osvi,
970 VER_MAJORVERSION | VER_MINORVERSION |
971 VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
972 dwlConditionMask);
973 }
974
980 dbus_bool_t
981 _dbus_getsid(char **sid, dbus_pid_t process_id)
982 {
983 HANDLE process_token = INVALID_HANDLE_VALUE;
984 TOKEN_USER *token_user = NULL;
985 DWORD n;
986 PSID psid;
987 int retval = FALSE;
988
989 HANDLE process_handle;
990 if (process_id == 0)
991 process_handle = GetCurrentProcess();
992 else if (is_winxp_sp3_or_lower())
993 process_handle = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, process_id);
994 else
995 process_handle = OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, FALSE, process_id);
996
997 if (!OpenProcessToken (process_handle, TOKEN_QUERY, &process_token))
998 {
999 _dbus_win_warn_win_error ("OpenProcessToken failed", GetLastError ());
1000 goto failed;
1001 }
1002 if ((!GetTokenInformation (process_token, TokenUser, NULL, 0, &n)
1003 && GetLastError () != ERROR_INSUFFICIENT_BUFFER)
1004 || (token_user = alloca (n)) == NULL
1005 || !GetTokenInformation (process_token, TokenUser, token_user, n, &n))
1006 {
1007 _dbus_win_warn_win_error ("GetTokenInformation failed", GetLastError ());
1008 goto failed;
1009 }
1010 psid = token_user->User.Sid;
1011 if (!IsValidSid (psid))
1012 {
1013 _dbus_verbose("%s invalid sid\n",__FUNCTION__);
1014 goto failed;
1015 }
1016 if (!ConvertSidToStringSidA (psid, sid))
1017 {
1018 _dbus_verbose("%s invalid sid\n",__FUNCTION__);
1019 goto failed;
1020 }
1021 //okay:
1022 retval = TRUE;
1023
1024 failed:
1025 CloseHandle (process_handle);
1026 if (process_token != INVALID_HANDLE_VALUE)
1027 CloseHandle (process_token);
1028
1029 _dbus_verbose("_dbus_getsid() got '%s' and returns %d\n", *sid, retval);
1030 return retval;
1031 }
1032 #endif
1033
1034 /************************************************************************
1035
1036 pipes
1037
1038 ************************************************************************/
1039
1052 dbus_bool_t
1053 _dbus_socketpair (DBusSocket *fd1,
1054 DBusSocket *fd2,
1055 dbus_bool_t blocking,
1056 DBusError *error)
1057 {
1058 SOCKET temp, socket1 = -1, socket2 = -1;
1059 struct sockaddr_in saddr;
1060 int len;
1061 u_long arg;
1062
1063 if (!_dbus_win_startup_winsock ())
1064 {
1065 _DBUS_SET_OOM (error);
1066 return FALSE;
1067 }
1068
1069 temp = socket (AF_INET, SOCK_STREAM, 0);
1070 if (temp == INVALID_SOCKET)
1071 {
1072 DBUS_SOCKET_SET_ERRNO ();
1073 goto out0;
1074 }
1075
1076 _DBUS_ZERO (saddr);
1077 saddr.sin_family = AF_INET;
1078 saddr.sin_port = 0;
1079 saddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
1080
1081 if (bind (temp, (struct sockaddr *)&saddr, sizeof (saddr)) == SOCKET_ERROR)
1082 {
1083 DBUS_SOCKET_SET_ERRNO ();
1084 goto out0;
1085 }
1086
1087 if (listen (temp, 1) == SOCKET_ERROR)
1088 {
1089 DBUS_SOCKET_SET_ERRNO ();
1090 goto out0;
1091 }
1092
1093 len = sizeof (saddr);
1094 if (getsockname (temp, (struct sockaddr *)&saddr, &len) == SOCKET_ERROR)
1095 {
1096 DBUS_SOCKET_SET_ERRNO ();
1097 goto out0;
1098 }
1099
1100 socket1 = socket (AF_INET, SOCK_STREAM, 0);
1101 if (socket1 == INVALID_SOCKET)
1102 {
1103 DBUS_SOCKET_SET_ERRNO ();
1104 goto out0;
1105 }
1106
1107 if (connect (socket1, (struct sockaddr *)&saddr, len) == SOCKET_ERROR)
1108 {
1109 DBUS_SOCKET_SET_ERRNO ();
1110 goto out1;
1111 }
1112
1113 socket2 = accept (temp, (struct sockaddr *) &saddr, &len);
1114 if (socket2 == INVALID_SOCKET)
1115 {
1116 DBUS_SOCKET_SET_ERRNO ();
1117 goto out1;
1118 }
1119
1120 if (!blocking)
1121 {
1122 arg = 1;
1123 if (ioctlsocket (socket1, FIONBIO, &arg) == SOCKET_ERROR)
1124 {
1125 DBUS_SOCKET_SET_ERRNO ();
1126 goto out2;
1127 }
1128
1129 arg = 1;
1130 if (ioctlsocket (socket2, FIONBIO, &arg) == SOCKET_ERROR)
1131 {
1132 DBUS_SOCKET_SET_ERRNO ();
1133 goto out2;
1134 }
1135 }
1136
1137 fd1->sock = socket1;
1138 fd2->sock = socket2;
1139
1140 _dbus_verbose ("full-duplex pipe %Iu:%Iu <-> %Iu:%Iu\n",
1141 fd1->sock, socket1, fd2->sock, socket2);
1142
1143 closesocket (temp);
1144
1145 return TRUE;
1146
1147 out2:
1148 closesocket (socket2);
1149 out1:
1150 closesocket (socket1);
1151 out0:
1152 closesocket (temp);
1153
1154 dbus_set_error (error, _dbus_error_from_errno (errno),
1155 "Could not setup socket pair: %s",
1156 _dbus_strerror_from_errno ());
1157
1158 return FALSE;
1159 }
1160
1169 int
1170 _dbus_poll (DBusPollFD *fds,
1171 int n_fds,
1172 int timeout_milliseconds)
1173 {
1174 #define USE_CHRIS_IMPL 0
1175
1176 #if USE_CHRIS_IMPL
1177
1178 #define DBUS_POLL_CHAR_BUFFER_SIZE 2000
1179 char msg[DBUS_POLL_CHAR_BUFFER_SIZE];
1180 char *msgp;
1181
1182 int ret = 0;
1183 int i;
1184 struct timeval tv;
1185 int ready;
1186
1187 #define DBUS_STACK_WSAEVENTS 256
1188 WSAEVENT eventsOnStack[DBUS_STACK_WSAEVENTS];
1189 WSAEVENT *pEvents = NULL;
1190 if (n_fds > DBUS_STACK_WSAEVENTS)
1191 pEvents = calloc(sizeof(WSAEVENT), n_fds);
1192 else
1193 pEvents = eventsOnStack;
1194
1195
1196 #ifdef DBUS_ENABLE_VERBOSE_MODE
1197 msgp = msg;
1198 msgp += sprintf (msgp, "WSAEventSelect: to=%d\n\t", timeout_milliseconds);
1199 for (i = 0; i < n_fds; i++)
1200 {
1201 DBusPollFD *fdp = &fds[i];
1202
1203
1204 if (fdp->events & _DBUS_POLLIN)
1205 msgp += sprintf (msgp, "R:%Iu ", fdp->fd.sock);
1206
1207 if (fdp->events & _DBUS_POLLOUT)
1208 msgp += sprintf (msgp, "W:%Iu ", fdp->fd.sock);
1209
1210 msgp += sprintf (msgp, "E:%Iu\n\t", fdp->fd.sock);
1211
1212 // FIXME: more robust code for long msg
1213 // create on heap when msg[] becomes too small
1214 if (msgp >= msg + DBUS_POLL_CHAR_BUFFER_SIZE)
1215 {
1216 _dbus_assert_not_reached ("buffer overflow in _dbus_poll");
1217 }
1218 }
1219
1220 msgp += sprintf (msgp, "\n");
1221 _dbus_verbose ("%s",msg);
1222 #endif
1223 for (i = 0; i < n_fds; i++)
1224 {
1225 DBusPollFD *fdp = &fds[i];
1226 WSAEVENT ev;
1227 long lNetworkEvents = FD_OOB;
1228
1229 ev = WSACreateEvent();
1230
1231 if (fdp->events & _DBUS_POLLIN)
1232 lNetworkEvents |= FD_READ | FD_ACCEPT | FD_CLOSE;
1233
1234 if (fdp->events & _DBUS_POLLOUT)
1235 lNetworkEvents |= FD_WRITE | FD_CONNECT;
1236
1237 WSAEventSelect(fdp->fd.sock, ev, lNetworkEvents);
1238
1239 pEvents[i] = ev;
1240 }
1241
1242
1243 ready = WSAWaitForMultipleEvents (n_fds, pEvents, FALSE, timeout_milliseconds, FALSE);
1244
1245 if (DBUS_SOCKET_API_RETURNS_ERROR (ready))
1246 {
1247 DBUS_SOCKET_SET_ERRNO ();
1248 if (errno != WSAEWOULDBLOCK)
1249 _dbus_verbose ("WSAWaitForMultipleEvents: failed: %s\n", _dbus_strerror_from_errno ());
1250 ret = -1;
1251 }
1252 else if (ready == WSA_WAIT_TIMEOUT)
1253 {
1254 _dbus_verbose ("WSAWaitForMultipleEvents: WSA_WAIT_TIMEOUT\n");
1255 ret = 0;
1256 }
1257 else if (ready >= WSA_WAIT_EVENT_0 && ready < (int)(WSA_WAIT_EVENT_0 + n_fds))
1258 {
1259 msgp = msg;
1260 msgp += sprintf (msgp, "WSAWaitForMultipleEvents: =%d\n\t", ready);
1261
1262 for (i = 0; i < n_fds; i++)
1263 {
1264 DBusPollFD *fdp = &fds[i];
1265 WSANETWORKEVENTS ne;
1266
1267 fdp->revents = 0;
1268
1269 WSAEnumNetworkEvents(fdp->fd.sock, pEvents[i], &ne);
1270
1271 if (ne.lNetworkEvents & (FD_READ | FD_ACCEPT | FD_CLOSE))
1272 fdp->revents |= _DBUS_POLLIN;
1273
1274 if (ne.lNetworkEvents & (FD_WRITE | FD_CONNECT))
1275 fdp->revents |= _DBUS_POLLOUT;
1276
1277 if (ne.lNetworkEvents & (FD_OOB))
1278 fdp->revents |= _DBUS_POLLERR;
1279
1280 if (ne.lNetworkEvents & (FD_READ | FD_ACCEPT | FD_CLOSE))
1281 msgp += sprintf (msgp, "R:%Iu ", fdp->fd.sock);
1282
1283 if (ne.lNetworkEvents & (FD_WRITE | FD_CONNECT))
1284 msgp += sprintf (msgp, "W:%Iu ", fdp->fd.sock);
1285
1286 if (ne.lNetworkEvents & (FD_OOB))
1287 msgp += sprintf (msgp, "E:%Iu ", fdp->fd.sock);
1288
1289 msgp += sprintf (msgp, "lNetworkEvents:%d ", ne.lNetworkEvents);
1290
1291 if(ne.lNetworkEvents)
1292 ret++;
1293
1294 WSAEventSelect(fdp->fd.sock, pEvents[i], 0);
1295 }
1296
1297 msgp += sprintf (msgp, "\n");
1298 _dbus_verbose ("%s",msg);
1299 }
1300 else
1301 {
1302 _dbus_verbose ("WSAWaitForMultipleEvents: failed for unknown reason!");
1303 ret = -1;
1304 }
1305
1306 for(i = 0; i < n_fds; i++)
1307 {
1308 WSACloseEvent(pEvents[i]);
1309 }
1310
1311 if (n_fds > DBUS_STACK_WSAEVENTS)
1312 free(pEvents);
1313
1314 return ret;
1315
1316 #else /* USE_CHRIS_IMPL */
1317
1318 #define DBUS_POLL_CHAR_BUFFER_SIZE 2000
1319 char msg[DBUS_POLL_CHAR_BUFFER_SIZE];
1320 char *msgp;
1321
1322 fd_set read_set, write_set, err_set;
1323 SOCKET max_fd = 0;
1324 int i;
1325 struct timeval tv;
1326 int ready;
1327
1328 FD_ZERO (&read_set);
1329 FD_ZERO (&write_set);
1330 FD_ZERO (&err_set);
1331
1332
1333 #ifdef DBUS_ENABLE_VERBOSE_MODE
1334 msgp = msg;
1335 msgp += sprintf (msgp, "select: to=%d\n\t", timeout_milliseconds);
1336 for (i = 0; i < n_fds; i++)
1337 {
1338 DBusPollFD *fdp = &fds[i];
1339
1340
1341 if (fdp->events & _DBUS_POLLIN)
1342 msgp += sprintf (msgp, "R:%Iu ", fdp->fd.sock);
1343
1344 if (fdp->events & _DBUS_POLLOUT)
1345 msgp += sprintf (msgp, "W:%Iu ", fdp->fd.sock);
1346
1347 msgp += sprintf (msgp, "E:%Iu\n\t", fdp->fd.sock);
1348
1349 // FIXME: more robust code for long msg
1350 // create on heap when msg[] becomes too small
1351 if (msgp >= msg + DBUS_POLL_CHAR_BUFFER_SIZE)
1352 {
1353 _dbus_assert_not_reached ("buffer overflow in _dbus_poll");
1354 }
1355 }
1356
1357 msgp += sprintf (msgp, "\n");
1358 _dbus_verbose ("%s",msg);
1359 #endif
1360 for (i = 0; i < n_fds; i++)
1361 {
1362 DBusPollFD *fdp = &fds[i];
1363
1364 if (fdp->events & _DBUS_POLLIN)
1365 FD_SET (fdp->fd.sock, &read_set);
1366
1367 if (fdp->events & _DBUS_POLLOUT)
1368 FD_SET (fdp->fd.sock, &write_set);
1369
1370 FD_SET (fdp->fd.sock, &err_set);
1371
1372 max_fd = MAX (max_fd, fdp->fd.sock);
1373 }
1374
1375 // Avoid random lockups with send(), for lack of a better solution so far
1376 tv.tv_sec = timeout_milliseconds < 0 ? 1 : timeout_milliseconds / 1000;
1377 tv.tv_usec = timeout_milliseconds < 0 ? 0 : (timeout_milliseconds % 1000) * 1000;
1378
1379 ready = select (max_fd + 1, &read_set, &write_set, &err_set, &tv);
1380
1381 if (DBUS_SOCKET_API_RETURNS_ERROR (ready))
1382 {
1383 DBUS_SOCKET_SET_ERRNO ();
1384 if (errno != WSAEWOULDBLOCK)
1385 _dbus_verbose ("select: failed: %s\n", _dbus_strerror_from_errno ());
1386 }
1387 else if (ready == 0)
1388 _dbus_verbose ("select: = 0\n");
1389 else
1390 if (ready > 0)
1391 {
1392 #ifdef DBUS_ENABLE_VERBOSE_MODE
1393 msgp = msg;
1394 msgp += sprintf (msgp, "select: = %d:\n\t", ready);
1395
1396 for (i = 0; i < n_fds; i++)
1397 {
1398 DBusPollFD *fdp = &fds[i];
1399
1400 if (FD_ISSET (fdp->fd.sock, &read_set))
1401 msgp += sprintf (msgp, "R:%Iu ", fdp->fd.sock);
1402
1403 if (FD_ISSET (fdp->fd.sock, &write_set))
1404 msgp += sprintf (msgp, "W:%Iu ", fdp->fd.sock);
1405
1406 if (FD_ISSET (fdp->fd.sock, &err_set))
1407 msgp += sprintf (msgp, "E:%Iu\n\t", fdp->fd.sock);
1408 }
1409 msgp += sprintf (msgp, "\n");
1410 _dbus_verbose ("%s",msg);
1411 #endif
1412
1413 for (i = 0; i < n_fds; i++)
1414 {
1415 DBusPollFD *fdp = &fds[i];
1416
1417 fdp->revents = 0;
1418
1419 if (FD_ISSET (fdp->fd.sock, &read_set))
1420 fdp->revents |= _DBUS_POLLIN;
1421
1422 if (FD_ISSET (fdp->fd.sock, &write_set))
1423 fdp->revents |= _DBUS_POLLOUT;
1424
1425 if (FD_ISSET (fdp->fd.sock, &err_set))
1426 fdp->revents |= _DBUS_POLLERR;
1427 }
1428 }
1429 return ready;
1430 #endif /* USE_CHRIS_IMPL */
1431 }
1432
1433
1434
1435
1436 /******************************************************************************
1437
1438 Original CVS version of dbus-sysdeps.c
1439
1440 ******************************************************************************/
1441 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
1442 /* dbus-sysdeps.c Wrappers around system/libc features (internal to D-Bus implementation)
1443 *
1444 * Copyright (C) 2002, 2003 Red Hat, Inc.
1445 * Copyright (C) 2003 CodeFactory AB
1446 * Copyright (C) 2005 Novell, Inc.
1447 *
1448 * Licensed under the Academic Free License version 2.1
1449 *
1450 * This program is free software; you can redistribute it and/or modify
1451 * it under the terms of the GNU General Public License as published by
1452 * the Free Software Foundation; either version 2 of the License, or
1453 * (at your option) any later version.
1454 *
1455 * This program is distributed in the hope that it will be useful,
1456 * but WITHOUT ANY WARRANTY; without even the implied warranty of
1457 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1458 * GNU General Public License for more details.
1459 *
1460 * You should have received a copy of the GNU General Public License
1461 * along with this program; if not, write to the Free Software
1462 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
1463 *
1464 */
1465
1466
1472 void
1473 _dbus_exit (int code)
1474 {
1475 _exit (code);
1476 }
1477
1489 DBusSocket
1490 _dbus_connect_tcp_socket (const char *host,
1491 const char *port,
1492 const char *family,
1493 DBusError *error)
1494 {
1495 return _dbus_connect_tcp_socket_with_nonce (host, port, family, (const char*)NULL, error);
1496 }
1497
1498 DBusSocket
1499 _dbus_connect_tcp_socket_with_nonce (const char *host,
1500 const char *port,
1501 const char *family,
1502 const char *noncefile,
1503 DBusError *error)
1504 {
1505 DBusSocket fd = DBUS_SOCKET_INIT;
1506 int res;
1507 struct addrinfo hints;
1508 struct addrinfo *ai, *tmp;
1509
1510 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
1511
1512 if (!_dbus_win_startup_winsock ())
1513 {
1514 _DBUS_SET_OOM (error);
1515 return _dbus_socket_get_invalid ();
1516 }
1517
1518 _DBUS_ZERO (hints);
1519
1520 if (!family)
1521 hints.ai_family = AF_UNSPEC;
1522 else if (!strcmp(family, "ipv4"))
1523 hints.ai_family = AF_INET;
1524 else if (!strcmp(family, "ipv6"))
1525 hints.ai_family = AF_INET6;
1526 else
1527 {
1528 dbus_set_error (error,
1529 DBUS_ERROR_INVALID_ARGS,
1530 "Unknown address family %s", family);
1531 return _dbus_socket_get_invalid ();
1532 }
1533 hints.ai_protocol = IPPROTO_TCP;
1534 hints.ai_socktype = SOCK_STREAM;
1535 #ifdef AI_ADDRCONFIG
1536 hints.ai_flags = AI_ADDRCONFIG;
1537 #else
1538 hints.ai_flags = 0;
1539 #endif
1540
1541 if ((res = getaddrinfo(host, port, &hints, &ai)) != 0 || !ai)
1542 {
1543 dbus_set_error (error,
1544 _dbus_error_from_errno (res),
1545 "Failed to lookup host/port: \"%s:%s\": %s (%d)",
1546 host, port, _dbus_strerror(res), res);
1547 return _dbus_socket_get_invalid ();
1548 }
1549
1550 tmp = ai;
1551 while (tmp)
1552 {
1553 if ((fd.sock = socket (tmp->ai_family, SOCK_STREAM, 0)) == INVALID_SOCKET)
1554 {
1555 DBUS_SOCKET_SET_ERRNO ();
1556 dbus_set_error (error,
1557 _dbus_error_from_errno (errno),
1558 "Failed to open socket: %s",
1559 _dbus_strerror_from_errno ());
1560 freeaddrinfo(ai);
1561 return _dbus_socket_get_invalid ();
1562 }
1563 _DBUS_ASSERT_ERROR_IS_CLEAR(error);
1564
1565 if (connect (fd.sock, (struct sockaddr*) tmp->ai_addr, tmp->ai_addrlen) == SOCKET_ERROR)
1566 {
1567 DBUS_SOCKET_SET_ERRNO ();
1568 closesocket(fd.sock);
1569 fd.sock = INVALID_SOCKET;
1570 tmp = tmp->ai_next;
1571 continue;
1572 }
1573
1574 break;
1575 }
1576 freeaddrinfo(ai);
1577
1578 if (!_dbus_socket_is_valid (fd))
1579 {
1580 dbus_set_error (error,
1581 _dbus_error_from_errno (errno),
1582 "Failed to connect to socket \"%s:%s\" %s",
1583 host, port, _dbus_strerror_from_errno ());
1584 return _dbus_socket_get_invalid ();
1585 }
1586
1587 if (noncefile != NULL)
1588 {
1589 DBusString noncefileStr;
1590 dbus_bool_t ret;
1591 if (!_dbus_string_init (&noncefileStr) ||
1592 !_dbus_string_append(&noncefileStr, noncefile))
1593 {
1594 closesocket (fd.sock);
1595 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
1596 return _dbus_socket_get_invalid ();
1597 }
1598
1599 ret = _dbus_send_nonce (fd, &noncefileStr, error);
1600
1601 _dbus_string_free (&noncefileStr);
1602
1603 if (!ret)
1604 {
1605 closesocket (fd.sock);
1606 return _dbus_socket_get_invalid ();
1607 }
1608 }
1609
1610 /* Every SOCKET is also a HANDLE. */
1611 _dbus_win_handle_set_close_on_exec ((HANDLE) fd.sock);
1612
1613 if (!_dbus_set_socket_nonblocking (fd, error))
1614 {
1615 closesocket (fd.sock);
1616 return _dbus_socket_get_invalid ();
1617 }
1618
1619 return fd;
1620 }
1621
1637 int
1638 _dbus_listen_tcp_socket (const char *host,
1639 const char *port,
1640 const char *family,
1641 DBusString *retport,
1642 DBusSocket **fds_p,
1643 DBusError *error)
1644 {
1645 DBusSocket *listen_fd = NULL;
1646 int nlisten_fd = 0, res, i, port_num = -1;
1647 struct addrinfo hints;
1648 struct addrinfo *ai, *tmp;
1649
1650 // On Vista, sockaddr_gen must be a sockaddr_in6, and not a sockaddr_in6_old
1651 //That's required for family == IPv6(which is the default on Vista if family is not given)
1652 //So we use our own union instead of sockaddr_gen:
1653
1654 typedef union {
1655 struct sockaddr Address;
1656 struct sockaddr_in AddressIn;
1657 struct sockaddr_in6 AddressIn6;
1658 } mysockaddr_gen;
1659
1660 *fds_p = NULL;
1661 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
1662
1663 if (!_dbus_win_startup_winsock ())
1664 {
1665 _DBUS_SET_OOM (error);
1666 return -1;
1667 }
1668
1669 _DBUS_ZERO (hints);
1670
1671 if (!family)
1672 hints.ai_family = AF_INET;
1673 else if (!strcmp(family, "ipv4"))
1674 hints.ai_family = AF_INET;
1675 else if (!strcmp(family, "ipv6"))
1676 hints.ai_family = AF_INET6;
1677 else
1678 {
1679 dbus_set_error (error,
1680 DBUS_ERROR_INVALID_ARGS,
1681 "Unknown address family %s", family);
1682 return -1;
1683 }
1684
1685 hints.ai_protocol = IPPROTO_TCP;
1686 hints.ai_socktype = SOCK_STREAM;
1687 #ifdef AI_ADDRCONFIG
1688 hints.ai_flags = AI_ADDRCONFIG | AI_PASSIVE;
1689 #else
1690 hints.ai_flags = AI_PASSIVE;
1691 #endif
1692
1693 redo_lookup_with_port:
1694 if ((res = getaddrinfo(host, port, &hints, &ai)) != 0 || !ai)
1695 {
1696 dbus_set_error (error,
1697 _dbus_error_from_errno (res),
1698 "Failed to lookup host/port: \"%s:%s\": %s (%d)",
1699 host ? host : "*", port, _dbus_strerror(res), res);
1700 return -1;
1701 }
1702
1703 tmp = ai;
1704 while (tmp)
1705 {
1706 DBusSocket fd = DBUS_SOCKET_INIT, *newlisten_fd;
1707 if ((fd.sock = socket (tmp->ai_family, SOCK_STREAM, 0)) == INVALID_SOCKET)
1708 {
1709 DBUS_SOCKET_SET_ERRNO ();
1710 dbus_set_error (error,
1711 _dbus_error_from_errno (errno),
1712 "Failed to open socket: %s",
1713 _dbus_strerror_from_errno ());
1714 goto failed;
1715 }
1716 _DBUS_ASSERT_ERROR_IS_CLEAR(error);
1717
1718 if (bind (fd.sock, (struct sockaddr*) tmp->ai_addr, tmp->ai_addrlen) == SOCKET_ERROR)
1719 {
1720 DBUS_SOCKET_SET_ERRNO ();
1721 closesocket (fd.sock);
1722 if (errno == WSAEADDRINUSE)
1723 {
1724 /* Calling this function with port=0 tries to
1725 * bind the same port twice, so we should
1726 * ignore the second bind.
1727 */
1728 tmp = tmp->ai_next;
1729 continue;
1730 }
1731 dbus_set_error (error, _dbus_error_from_errno (errno),
1732 "Failed to bind socket \"%s:%s\": %s",
1733 host ? host : "*", port, _dbus_strerror_from_errno ());
1734 goto failed;
1735 }
1736
1737 if (listen (fd.sock, 30 /* backlog */) == SOCKET_ERROR)
1738 {
1739 DBUS_SOCKET_SET_ERRNO ();
1740 dbus_set_error (error, _dbus_error_from_errno (errno),
1741 "Failed to listen on socket \"%s:%s\": %s",
1742 host ? host : "*", port, _dbus_strerror_from_errno ());
1743 closesocket (fd.sock);
1744 goto failed;
1745 }
1746
1747 newlisten_fd = dbus_realloc(listen_fd, sizeof(DBusSocket)*(nlisten_fd+1));
1748 if (!newlisten_fd)
1749 {
1750 closesocket (fd.sock);
1751 dbus_set_error (error, DBUS_ERROR_NO_MEMORY,
1752 "Failed to allocate file handle array");
1753 goto failed;
1754 }
1755 listen_fd = newlisten_fd;
1756 listen_fd[nlisten_fd] = fd;
1757 nlisten_fd++;
1758
1759 if (!_dbus_string_get_length(retport))
1760 {
1761 /* If the user didn't specify a port, or used 0, then
1762 the kernel chooses a port. After the first address
1763 is bound to, we need to force all remaining addresses
1764 to use the same port */
1765 if (!port || !strcmp(port, "0"))
1766 {
1767 mysockaddr_gen addr;
1768 socklen_t addrlen = sizeof(addr);
1769 char portbuf[NI_MAXSERV];
1770
1771 if (getsockname(fd.sock, &addr.Address, &addrlen) == SOCKET_ERROR ||
1772 (res = getnameinfo (&addr.Address, addrlen, NULL, 0,
1773 portbuf, sizeof(portbuf),
1774 NI_NUMERICSERV)) != 0)
1775 {
1776 DBUS_SOCKET_SET_ERRNO ();
1777 dbus_set_error (error, _dbus_error_from_errno (errno),
1778 "Failed to resolve port \"%s:%s\": %s",
1779 host ? host : "*", port, _dbus_strerror_from_errno());
1780 goto failed;
1781 }
1782 if (!_dbus_string_append(retport, portbuf))
1783 {
1784 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
1785 goto failed;
1786 }
1787
1788 /* Release current address list & redo lookup */
1789 port = _dbus_string_get_const_data(retport);
1790 freeaddrinfo(ai);
1791 goto redo_lookup_with_port;
1792 }
1793 else
1794 {
1795 if (!_dbus_string_append(retport, port))
1796 {
1797 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
1798 goto failed;
1799 }
1800 }
1801 }
1802
1803 tmp = tmp->ai_next;
1804 }
1805 freeaddrinfo(ai);
1806 ai = NULL;
1807
1808 if (!nlisten_fd)
1809 {
1810 _dbus_win_set_errno (WSAEADDRINUSE);
1811 dbus_set_error (error, _dbus_error_from_errno (errno),
1812 "Failed to bind socket \"%s:%s\": %s",
1813 host ? host : "*", port, _dbus_strerror_from_errno ());
1814 return -1;
1815 }
1816
1817 sscanf(_dbus_string_get_const_data(retport), "%d", &port_num);
1818
1819 for (i = 0 ; i < nlisten_fd ; i++)
1820 {
1821 _dbus_win_handle_set_close_on_exec ((HANDLE) listen_fd[i].sock);
1822 if (!_dbus_set_socket_nonblocking (listen_fd[i], error))
1823 {
1824 goto failed;
1825 }
1826 }
1827
1828 *fds_p = listen_fd;
1829
1830 return nlisten_fd;
1831
1832 failed:
1833 if (ai)
1834 freeaddrinfo(ai);
1835 for (i = 0 ; i < nlisten_fd ; i++)
1836 closesocket (listen_fd[i].sock);
1837 dbus_free(listen_fd);
1838 return -1;
1839 }
1840
1841
1849 DBusSocket
1850 _dbus_accept (DBusSocket listen_fd)
1851 {
1852 DBusSocket client_fd;
1853
1854 retry:
1855 client_fd.sock = accept (listen_fd.sock, NULL, NULL);
1856
1857 if (!_dbus_socket_is_valid (client_fd))
1858 {
1859 DBUS_SOCKET_SET_ERRNO ();
1860 if (errno == EINTR)
1861 goto retry;
1862 }
1863
1864 _dbus_verbose ("client fd %Iu accepted\n", client_fd.sock);
1865
1866 return client_fd;
1867 }
1868
1869
1870
1871
1872 dbus_bool_t
1873 _dbus_send_credentials_socket (DBusSocket handle,
1874 DBusError *error)
1875 {
1876 /* FIXME: for the session bus credentials shouldn't matter (?), but
1877 * for the system bus they are presumably essential. A rough outline
1878 * of a way to implement the credential transfer would be this:
1879 *
1880 * client waits to *read* a byte.
1881 *
1882 * server creates a named pipe with a random name, sends a byte
1883 * contining its length, and its name.
1884 *
1885 * client reads the name, connects to it (using Win32 API).
1886 *
1887 * server waits for connection to the named pipe, then calls
1888 * ImpersonateNamedPipeClient(), notes its now-current credentials,
1889 * calls RevertToSelf(), closes its handles to the named pipe, and
1890 * is done. (Maybe there is some other way to get the SID of a named
1891 * pipe client without having to use impersonation?)
1892 *
1893 * client closes its handles and is done.
1894 *
1895 * Ralf: Why not sending credentials over the given this connection ?
1896 * Using named pipes makes it impossible to be connected from a unix client.
1897 *
1898 */
1899 int bytes_written;
1900 DBusString buf;
1901
1902 _dbus_string_init_const_len (&buf, "\0", 1);
1903 again:
1904 bytes_written = _dbus_write_socket (handle, &buf, 0, 1 );
1905
1906 if (bytes_written < 0 && errno == EINTR)
1907 goto again;
1908
1909 if (bytes_written < 0)
1910 {
1911 dbus_set_error (error, _dbus_error_from_errno (errno),
1912 "Failed to write credentials byte: %s",
1913 _dbus_strerror_from_errno ());
1914 return FALSE;
1915 }
1916 else if (bytes_written == 0)
1917 {
1918 dbus_set_error (error, DBUS_ERROR_IO_ERROR,
1919 "wrote zero bytes writing credentials byte");
1920 return FALSE;
1921 }
1922 else
1923 {
1924 _dbus_assert (bytes_written == 1);
1925 _dbus_verbose ("wrote 1 zero byte, credential sending isn't implemented yet\n");
1926 return TRUE;
1927 }
1928 return TRUE;
1929 }
1930
1949 dbus_bool_t
1950 _dbus_read_credentials_socket (DBusSocket handle,
1951 DBusCredentials *credentials,
1952 DBusError *error)
1953 {
1954 int bytes_read = 0;
1955 DBusString buf;
1956
1957 char *sid = NULL;
1958 dbus_pid_t pid;
1959 int retval = FALSE;
1960
1961 // could fail due too OOM
1962 if (_dbus_string_init (&buf))
1963 {
1964 bytes_read = _dbus_read_socket (handle, &buf, 1 );
1965
1966 if (bytes_read > 0)
1967 _dbus_verbose ("got one zero byte from server\n");
1968
1969 _dbus_string_free (&buf);
1970 }
1971
1972 pid = _dbus_get_peer_pid_from_tcp_handle (handle.sock);
1973 if (pid == 0)
1974 return TRUE;
1975
1976 _dbus_credentials_add_pid (credentials, pid);
1977
1978 if (_dbus_getsid (&sid, pid))
1979 {
1980 if (!_dbus_credentials_add_windows_sid (credentials, sid))
1981 goto out;
1982 }
1983
1984 retval = TRUE;
1985
1986 out:
1987 if (sid)
1988 LocalFree (sid);
1989
1990 return retval;
1991 }
1992
2001 dbus_bool_t
2002 _dbus_check_dir_is_private_to_user (DBusString *dir, DBusError *error)
2003 {
2004 /* TODO */
2005 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
2006 return TRUE;
2007 }
2008
2009
2020 dbus_bool_t
2021 _dbus_concat_dir_and_file (DBusString *dir,
2022 const DBusString *next_component)
2023 {
2024 dbus_bool_t dir_ends_in_slash;
2025 dbus_bool_t file_starts_with_slash;
2026
2027 if (_dbus_string_get_length (dir) == 0 ||
2028 _dbus_string_get_length (next_component) == 0)
2029 return TRUE;
2030
2031 dir_ends_in_slash =
2032 ('/' == _dbus_string_get_byte (dir, _dbus_string_get_length (dir) - 1) ||
2033 '\\' == _dbus_string_get_byte (dir, _dbus_string_get_length (dir) - 1));
2034
2035 file_starts_with_slash =
2036 ('/' == _dbus_string_get_byte (next_component, 0) ||
2037 '\\' == _dbus_string_get_byte (next_component, 0));
2038
2039 if (dir_ends_in_slash && file_starts_with_slash)
2040 {
2041 _dbus_string_shorten (dir, 1);
2042 }
2043 else if (!(dir_ends_in_slash || file_starts_with_slash))
2044 {
2045 if (!_dbus_string_append_byte (dir, '\\'))
2046 return FALSE;
2047 }
2048
2049 return _dbus_string_copy (next_component, 0, dir,
2050 _dbus_string_get_length (dir));
2051 }
2052
2053 /*---------------- DBusCredentials ----------------------------------*/
2054
2062 dbus_bool_t
2063 _dbus_credentials_add_from_user (DBusCredentials *credentials,
2064 const DBusString *username)
2065 {
2066 return _dbus_credentials_add_windows_sid (credentials,
2067 _dbus_string_get_const_data(username));
2068 }
2069
2078 dbus_bool_t
2079 _dbus_credentials_add_from_current_process (DBusCredentials *credentials)
2080 {
2081 dbus_bool_t retval = FALSE;
2082 char *sid = NULL;
2083
2084 if (!_dbus_getsid(&sid, _dbus_getpid()))
2085 goto failed;
2086
2087 if (!_dbus_credentials_add_pid (credentials, _dbus_getpid()))
2088 goto failed;
2089
2090 if (!_dbus_credentials_add_windows_sid (credentials,sid))
2091 goto failed;
2092
2093 retval = TRUE;
2094 goto end;
2095 failed:
2096 retval = FALSE;
2097 end:
2098 if (sid)
2099 LocalFree(sid);
2100
2101 return retval;
2102 }
2103
2116 dbus_bool_t
2117 _dbus_append_user_from_current_process (DBusString *str)
2118 {
2119 dbus_bool_t retval = FALSE;
2120 char *sid = NULL;
2121
2122 if (!_dbus_getsid(&sid, _dbus_getpid()))
2123 return FALSE;
2124
2125 retval = _dbus_string_append (str,sid);
2126
2127 LocalFree(sid);
2128 return retval;
2129 }
2130
2135 dbus_pid_t
2136 _dbus_getpid (void)
2137 {
2138 return GetCurrentProcessId ();
2139 }
2140
2144 dbus_uid_t
2145 _dbus_getuid (void)
2146 {
2147 return DBUS_UID_UNSET;
2148 }
2149
2151 #define NANOSECONDS_PER_SECOND 1000000000
2152
2153 #define MICROSECONDS_PER_SECOND 1000000
2154
2155 #define MILLISECONDS_PER_SECOND 1000
2156
2157 #define NANOSECONDS_PER_MILLISECOND 1000000
2158
2159 #define MICROSECONDS_PER_MILLISECOND 1000
2160
2165 void
2166 _dbus_sleep_milliseconds (int milliseconds)
2167 {
2168 Sleep (milliseconds);
2169 }
2170
2171
2179 void
2180 _dbus_get_real_time (long *tv_sec,
2181 long *tv_usec)
2182 {
2183 FILETIME ft;
2184 dbus_uint64_t time64;
2185
2186 GetSystemTimeAsFileTime (&ft);
2187
2188 memcpy (&time64, &ft, sizeof (time64));
2189
2190 /* Convert from 100s of nanoseconds since 1601-01-01
2191 * to Unix epoch. Yes, this is Y2038 unsafe.
2192 */
2193 time64 -= DBUS_INT64_CONSTANT (116444736000000000);
2194 time64 /= 10;
2195
2196 if (tv_sec)
2197 *tv_sec = time64 / 1000000;
2198
2199 if (tv_usec)
2200 *tv_usec = time64 % 1000000;
2201 }
2202
2210 void
2211 _dbus_get_monotonic_time (long *tv_sec,
2212 long *tv_usec)
2213 {
2214 /* no implementation yet, fall back to wall-clock time */
2215 _dbus_get_real_time (tv_sec, tv_usec);
2216 }
2217
2221 void
2222 _dbus_disable_sigpipe (void)
2223 {
2224 }
2225
2234 dbus_bool_t
2235 _dbus_create_directory (const DBusString *filename,
2236 DBusError *error)
2237 {
2238 const char *filename_c;
2239
2240 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
2241
2242 filename_c = _dbus_string_get_const_data (filename);
2243
2244 if (!CreateDirectoryA (filename_c, NULL))
2245 {
2246 dbus_set_error (error, DBUS_ERROR_FAILED,
2247 "Failed to create directory %s: %s\n",
2248 filename_c, _dbus_strerror_from_errno ());
2249 return FALSE;
2250 }
2251 else
2252 return TRUE;
2253 }
2254
2263 dbus_bool_t
2264 _dbus_ensure_directory (const DBusString *filename,
2265 DBusError *error)
2266 {
2267 const char *filename_c;
2268
2269 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
2270
2271 filename_c = _dbus_string_get_const_data (filename);
2272
2273 if (!CreateDirectoryA (filename_c, NULL))
2274 {
2275 if (GetLastError () == ERROR_ALREADY_EXISTS)
2276 return TRUE;
2277
2278 dbus_set_error (error, DBUS_ERROR_FAILED,
2279 "Failed to create directory %s: %s\n",
2280 filename_c, _dbus_strerror_from_errno ());
2281 return FALSE;
2282 }
2283 else
2284 return TRUE;
2285 }
2286
2287
2297 dbus_bool_t
2298 _dbus_generate_random_bytes (DBusString *str,
2299 int n_bytes,
2300 DBusError *error)
2301 {
2302 int old_len;
2303 char *p;
2304 HCRYPTPROV hprov;
2305
2306 old_len = _dbus_string_get_length (str);
2307
2308 if (!_dbus_string_lengthen (str, n_bytes))
2309 {
2310 _DBUS_SET_OOM (error);
2311 return FALSE;
2312 }
2313
2314 p = _dbus_string_get_data_len (str, old_len, n_bytes);
2315
2316 if (!CryptAcquireContext (&hprov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
2317 {
2318 _DBUS_SET_OOM (error);
2319 return FALSE;
2320 }
2321
2322 if (!CryptGenRandom (hprov, n_bytes, p))
2323 {
2324 _DBUS_SET_OOM (error);
2325 CryptReleaseContext (hprov, 0);
2326 return FALSE;
2327 }
2328
2329 CryptReleaseContext (hprov, 0);
2330
2331 return TRUE;
2332 }
2333
2340 const char*
2341 _dbus_get_tmpdir(void)
2342 {
2343 /* Protected by _DBUS_LOCK_sysdeps */
2344 static const char* tmpdir = NULL;
2345 static char buf[1000];
2346
2347 if (!_DBUS_LOCK (sysdeps))
2348 return NULL;
2349
2350 if (tmpdir == NULL)
2351 {
2352 char *last_slash;
2353
2354 if (!GetTempPathA (sizeof (buf), buf))
2355 {
2356 _dbus_warn ("GetTempPath failed\n");
2357 _dbus_abort ();
2358 }
2359
2360 /* Drop terminating backslash or slash */
2361 last_slash = _mbsrchr (buf, '\\');
2362 if (last_slash > buf && last_slash[1] == '\0')
2363 last_slash[0] = '\0';
2364 last_slash = _mbsrchr (buf, '/');
2365 if (last_slash > buf && last_slash[1] == '\0')
2366 last_slash[0] = '\0';
2367
2368 tmpdir = buf;
2369 }
2370
2371 _DBUS_UNLOCK (sysdeps);
2372
2373 _dbus_assert(tmpdir != NULL);
2374
2375 return tmpdir;
2376 }
2377
2378
2387 dbus_bool_t
2388 _dbus_delete_file (const DBusString *filename,
2389 DBusError *error)
2390 {
2391 const char *filename_c;
2392
2393 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
2394
2395 filename_c = _dbus_string_get_const_data (filename);
2396
2397 if (DeleteFileA (filename_c) == 0)
2398 {
2399 dbus_set_error (error, DBUS_ERROR_FAILED,
2400 "Failed to delete file %s: %s\n",
2401 filename_c, _dbus_strerror_from_errno ());
2402 return FALSE;
2403 }
2404 else
2405 return TRUE;
2406 }
2407
2408 #if !defined (DBUS_DISABLE_ASSERT) || defined(DBUS_ENABLE_EMBEDDED_TESTS)
2409
2410 #if defined(_MSC_VER) || defined(DBUS_WINCE)
2411 # ifdef BACKTRACES
2412 # undef BACKTRACES
2413 # endif
2414 #else
2415 # define BACKTRACES
2416 #endif
2417
2418 #ifdef BACKTRACES
2419 /*
2420 * Backtrace Generator
2421 *
2422 * Copyright 2004 Eric Poech
2423 * Copyright 2004 Robert Shearman
2424 *
2425 * This library is free software; you can redistribute it and/or
2426 * modify it under the terms of the GNU Lesser General Public
2427 * License as published by the Free Software Foundation; either
2428 * version 2.1 of the License, or (at your option) any later version.
2429 *
2430 * This library is distributed in the hope that it will be useful,
2431 * but WITHOUT ANY WARRANTY; without even the implied warranty of
2432 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
2433 * Lesser General Public License for more details.
2434 *
2435 * You should have received a copy of the GNU Lesser General Public
2436 * License along with this library; if not, write to the Free Software
2437 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
2438 */
2439
2440 #include <winver.h>
2441 #include <imagehlp.h>
2442 #include <stdio.h>
2443
2444 #define DPRINTF(fmt, ...) fprintf (stderr, fmt, ##__VA_ARGS__)
2445
2446 #ifdef _MSC_VER
2447 #define BOOL int
2448
2449 #define __i386__
2450 #endif
2451
2452 //#define MAKE_FUNCPTR(f) static typeof(f) * p##f
2453
2454 //MAKE_FUNCPTR(StackWalk);
2455 //MAKE_FUNCPTR(SymGetModuleBase);
2456 //MAKE_FUNCPTR(SymFunctionTableAccess);
2457 //MAKE_FUNCPTR(SymInitialize);
2458 //MAKE_FUNCPTR(SymGetSymFromAddr);
2459 //MAKE_FUNCPTR(SymGetModuleInfo);
2460 static BOOL (WINAPI *pStackWalk)(
2461 DWORD MachineType,
2462 HANDLE hProcess,
2463 HANDLE hThread,
2464 LPSTACKFRAME StackFrame,
2465 PVOID ContextRecord,
2466 PREAD_PROCESS_MEMORY_ROUTINE ReadMemoryRoutine,
2467 PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
2468 PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
2469 PTRANSLATE_ADDRESS_ROUTINE TranslateAddress
2470 );
2471 #ifdef _WIN64
2472 static DWORD64 (WINAPI *pSymGetModuleBase)(
2473 HANDLE hProcess,
2474 DWORD64 dwAddr
2475 );
2476 static PVOID (WINAPI *pSymFunctionTableAccess)(
2477 HANDLE hProcess,
2478 DWORD64 AddrBase
2479 );
2480 #else
2481 static DWORD (WINAPI *pSymGetModuleBase)(
2482 HANDLE hProcess,
2483 DWORD dwAddr
2484 );
2485 static PVOID (WINAPI *pSymFunctionTableAccess)(
2486 HANDLE hProcess,
2487 DWORD AddrBase
2488 );
2489 #endif
2490 static BOOL (WINAPI *pSymInitialize)(
2491 HANDLE hProcess,
2492 PSTR UserSearchPath,
2493 BOOL fInvadeProcess
2494 );
2495 static BOOL (WINAPI *pSymGetSymFromAddr)(
2496 HANDLE hProcess,
2497 DWORD Address,
2498 PDWORD Displacement,
2499 PIMAGEHLP_SYMBOL Symbol
2500 );
2501 static BOOL (WINAPI *pSymGetModuleInfo)(
2502 HANDLE hProcess,
2503 DWORD dwAddr,
2504 PIMAGEHLP_MODULE ModuleInfo
2505 );
2506 static DWORD (WINAPI *pSymSetOptions)(
2507 DWORD SymOptions
2508 );
2509
2510
2511 static BOOL init_backtrace()
2512 {
2513 HMODULE hmodDbgHelp = LoadLibraryA("dbghelp");
2514 /*
2515 #define GETFUNC(x) \
2516 p##x = (typeof(x)*)GetProcAddress(hmodDbgHelp, #x); \
2517 if (!p##x) \
2518 { \
2519 return FALSE; \
2520 }
2521 */
2522
2523
2524 // GETFUNC(StackWalk);
2525 // GETFUNC(SymGetModuleBase);
2526 // GETFUNC(SymFunctionTableAccess);
2527 // GETFUNC(SymInitialize);
2528 // GETFUNC(SymGetSymFromAddr);
2529 // GETFUNC(SymGetModuleInfo);
2530
2531 #define FUNC(x) #x
2532
2533 pStackWalk = (BOOL (WINAPI *)(
2534 DWORD MachineType,
2535 HANDLE hProcess,
2536 HANDLE hThread,
2537 LPSTACKFRAME StackFrame,
2538 PVOID ContextRecord,
2539 PREAD_PROCESS_MEMORY_ROUTINE ReadMemoryRoutine,
2540 PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
2541 PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
2542 PTRANSLATE_ADDRESS_ROUTINE TranslateAddress
2543 ))GetProcAddress (hmodDbgHelp, FUNC(StackWalk));
2544 #ifdef _WIN64
2545 pSymGetModuleBase=(DWORD64 (WINAPI *)(
2546 HANDLE hProcess,
2547 DWORD64 dwAddr
2548 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleBase));
2549 pSymFunctionTableAccess=(PVOID (WINAPI *)(
2550 HANDLE hProcess,
2551 DWORD64 AddrBase
2552 ))GetProcAddress (hmodDbgHelp, FUNC(SymFunctionTableAccess));
2553 #else
2554 pSymGetModuleBase=(DWORD (WINAPI *)(
2555 HANDLE hProcess,
2556 DWORD dwAddr
2557 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleBase));
2558 pSymFunctionTableAccess=(PVOID (WINAPI *)(
2559 HANDLE hProcess,
2560 DWORD AddrBase
2561 ))GetProcAddress (hmodDbgHelp, FUNC(SymFunctionTableAccess));
2562 #endif
2563 pSymInitialize = (BOOL (WINAPI *)(
2564 HANDLE hProcess,
2565 PSTR UserSearchPath,
2566 BOOL fInvadeProcess
2567 ))GetProcAddress (hmodDbgHelp, FUNC(SymInitialize));
2568 pSymGetSymFromAddr = (BOOL (WINAPI *)(
2569 HANDLE hProcess,
2570 DWORD Address,
2571 PDWORD Displacement,
2572 PIMAGEHLP_SYMBOL Symbol
2573 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetSymFromAddr));
2574 pSymGetModuleInfo = (BOOL (WINAPI *)(
2575 HANDLE hProcess,
2576 DWORD dwAddr,
2577 PIMAGEHLP_MODULE ModuleInfo
2578 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleInfo));
2579 pSymSetOptions = (DWORD (WINAPI *)(
2580 DWORD SymOptions
2581 ))GetProcAddress (hmodDbgHelp, FUNC(SymSetOptions));
2582
2583
2584 pSymSetOptions(SYMOPT_UNDNAME);
2585
2586 pSymInitialize(GetCurrentProcess(), NULL, TRUE);
2587
2588 return TRUE;
2589 }
2590
2591 static void dump_backtrace_for_thread(HANDLE hThread)
2592 {
2593 STACKFRAME sf;
2594 CONTEXT context;
2595 DWORD dwImageType;
2596
2597 if (!pStackWalk)
2598 if (!init_backtrace())
2599 return;
2600
2601 /* can't use this function for current thread as GetThreadContext
2602 * doesn't support getting context from current thread */
2603 if (hThread == GetCurrentThread())
2604 return;
2605
2606 DPRINTF("Backtrace:\n");
2607
2608 _DBUS_ZERO(context);
2609 context.ContextFlags = CONTEXT_FULL;
2610
2611 SuspendThread(hThread);
2612
2613 if (!GetThreadContext(hThread, &context))
2614 {
2615 DPRINTF("Couldn't get thread context (error %ld)\n", GetLastError());
2616 ResumeThread(hThread);
2617 return;
2618 }
2619
2620 _DBUS_ZERO(sf);
2621
2622 #ifdef __i386__
2623 sf.AddrFrame.Offset = context.Ebp;
2624 sf.AddrFrame.Mode = AddrModeFlat;
2625 sf.AddrPC.Offset = context.Eip;
2626 sf.AddrPC.Mode = AddrModeFlat;
2627 dwImageType = IMAGE_FILE_MACHINE_I386;
2628 #elif _M_X64
2629 dwImageType = IMAGE_FILE_MACHINE_AMD64;
2630 sf.AddrPC.Offset = context.Rip;
2631 sf.AddrPC.Mode = AddrModeFlat;
2632 sf.AddrFrame.Offset = context.Rsp;
2633 sf.AddrFrame.Mode = AddrModeFlat;
2634 sf.AddrStack.Offset = context.Rsp;
2635 sf.AddrStack.Mode = AddrModeFlat;
2636 #elif _M_IA64
2637 dwImageType = IMAGE_FILE_MACHINE_IA64;
2638 sf.AddrPC.Offset = context.StIIP;
2639 sf.AddrPC.Mode = AddrModeFlat;
2640 sf.AddrFrame.Offset = context.IntSp;
2641 sf.AddrFrame.Mode = AddrModeFlat;
2642 sf.AddrBStore.Offset= context.RsBSP;
2643 sf.AddrBStore.Mode = AddrModeFlat;
2644 sf.AddrStack.Offset = context.IntSp;
2645 sf.AddrStack.Mode = AddrModeFlat;
2646 #else
2647 # error You need to fill in the STACKFRAME structure for your architecture
2648 #endif
2649
2650 while (pStackWalk(dwImageType, GetCurrentProcess(),
2651 hThread, &sf, &context, NULL, pSymFunctionTableAccess,
2652 pSymGetModuleBase, NULL))
2653 {
2654 BYTE buffer[256];
2655 IMAGEHLP_SYMBOL * pSymbol = (IMAGEHLP_SYMBOL *)buffer;
2656 DWORD dwDisplacement;
2657
2658 pSymbol->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL);
2659 pSymbol->MaxNameLength = sizeof(buffer) - sizeof(IMAGEHLP_SYMBOL) + 1;
2660
2661 if (!pSymGetSymFromAddr(GetCurrentProcess(), sf.AddrPC.Offset,
2662 &dwDisplacement, pSymbol))
2663 {
2664 IMAGEHLP_MODULE ModuleInfo;
2665 ModuleInfo.SizeOfStruct = sizeof(ModuleInfo);
2666
2667 if (!pSymGetModuleInfo(GetCurrentProcess(), sf.AddrPC.Offset,
2668 &ModuleInfo))
2669 DPRINTF("1\t%p\n", (void*)sf.AddrPC.Offset);
2670 else
2671 DPRINTF("2\t%s+0x%lx\n", ModuleInfo.ImageName,
2672 sf.AddrPC.Offset - ModuleInfo.BaseOfImage);
2673 }
2674 else if (dwDisplacement)
2675 DPRINTF("3\t%s+0x%lx\n", pSymbol->Name, dwDisplacement);
2676 else
2677 DPRINTF("4\t%s\n", pSymbol->Name);
2678 }
2679
2680 ResumeThread(hThread);
2681 }
2682
2683 static DWORD WINAPI dump_thread_proc(LPVOID lpParameter)
2684 {
2685 dump_backtrace_for_thread((HANDLE)lpParameter);
2686 return 0;
2687 }
2688
2689 /* cannot get valid context from current thread, so we have to execute
2690 * backtrace from another thread */
2691 static void dump_backtrace()
2692 {
2693 HANDLE hCurrentThread;
2694 HANDLE hThread;
2695 DWORD dwThreadId;
2696 DuplicateHandle(GetCurrentProcess(), GetCurrentThread(),
2697 GetCurrentProcess(), &hCurrentThread, 0, FALSE, DUPLICATE_SAME_ACCESS);
2698 hThread = CreateThread(NULL, 0, dump_thread_proc, (LPVOID)hCurrentThread,
2699 0, &dwThreadId);
2700 WaitForSingleObject(hThread, INFINITE);
2701 CloseHandle(hThread);
2702 CloseHandle(hCurrentThread);
2703 }
2704 #endif
2705 #endif /* asserts or tests enabled */
2706
2707 #ifdef BACKTRACES
2708 void _dbus_print_backtrace(void)
2709 {
2710 init_backtrace();
2711 dump_backtrace();
2712 }
2713 #else
2714 void _dbus_print_backtrace(void)
2715 {
2716 _dbus_verbose (" D-Bus not compiled with backtrace support\n");
2717 }
2718 #endif
2719
2720 static dbus_uint32_t fromAscii(char ascii)
2721 {
2722 if(ascii >= '0' && ascii <= '9')
2723 return ascii - '0';
2724 if(ascii >= 'A' && ascii <= 'F')
2725 return ascii - 'A' + 10;
2726 if(ascii >= 'a' && ascii <= 'f')
2727 return ascii - 'a' + 10;
2728 return 0;
2729 }
2730
2731 dbus_bool_t _dbus_read_local_machine_uuid (DBusGUID *machine_id,
2732 dbus_bool_t create_if_not_found,
2733 DBusError *error)
2734 {
2735 #ifdef DBUS_WINCE
2736 return TRUE;
2737 // TODO
2738 #else
2739 HW_PROFILE_INFOA info;
2740 char *lpc = &info.szHwProfileGuid[0];
2741 dbus_uint32_t u;
2742
2743 // the hw-profile guid lives long enough
2744 if(!GetCurrentHwProfileA(&info))
2745 {
2746 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL); // FIXME
2747 return FALSE;
2748 }
2749
2750 // Form: {12340001-4980-1920-6788-123456789012}
2751 lpc++;
2752 // 12340001
2753 u = ((fromAscii(lpc[0]) << 0) |
2754 (fromAscii(lpc[1]) << 4) |
2755 (fromAscii(lpc[2]) << 8) |
2756 (fromAscii(lpc[3]) << 12) |
2757 (fromAscii(lpc[4]) << 16) |
2758 (fromAscii(lpc[5]) << 20) |
2759 (fromAscii(lpc[6]) << 24) |
2760 (fromAscii(lpc[7]) << 28));
2761 machine_id->as_uint32s[0] = u;
2762
2763 lpc += 9;
2764 // 4980-1920
2765 u = ((fromAscii(lpc[0]) << 0) |
2766 (fromAscii(lpc[1]) << 4) |
2767 (fromAscii(lpc[2]) << 8) |
2768 (fromAscii(lpc[3]) << 12) |
2769 (fromAscii(lpc[5]) << 16) |
2770 (fromAscii(lpc[6]) << 20) |
2771 (fromAscii(lpc[7]) << 24) |
2772 (fromAscii(lpc[8]) << 28));
2773 machine_id->as_uint32s[1] = u;
2774
2775 lpc += 10;
2776 // 6788-1234
2777 u = ((fromAscii(lpc[0]) << 0) |
2778 (fromAscii(lpc[1]) << 4) |
2779 (fromAscii(lpc[2]) << 8) |
2780 (fromAscii(lpc[3]) << 12) |
2781 (fromAscii(lpc[5]) << 16) |
2782 (fromAscii(lpc[6]) << 20) |
2783 (fromAscii(lpc[7]) << 24) |
2784 (fromAscii(lpc[8]) << 28));
2785 machine_id->as_uint32s[2] = u;
2786
2787 lpc += 9;
2788 // 56789012
2789 u = ((fromAscii(lpc[0]) << 0) |
2790 (fromAscii(lpc[1]) << 4) |
2791 (fromAscii(lpc[2]) << 8) |
2792 (fromAscii(lpc[3]) << 12) |
2793 (fromAscii(lpc[4]) << 16) |
2794 (fromAscii(lpc[5]) << 20) |
2795 (fromAscii(lpc[6]) << 24) |
2796 (fromAscii(lpc[7]) << 28));
2797 machine_id->as_uint32s[3] = u;
2798 #endif
2799 return TRUE;
2800 }
2801
2802 static
2803 HANDLE _dbus_global_lock (const char *mutexname)
2804 {
2805 HANDLE mutex;
2806 DWORD gotMutex;
2807
2808 mutex = CreateMutexA( NULL, FALSE, mutexname );
2809 if( !mutex )
2810 {
2811 return FALSE;
2812 }
2813
2814 gotMutex = WaitForSingleObject( mutex, INFINITE );
2815 switch( gotMutex )
2816 {
2817 case WAIT_ABANDONED:
2818 ReleaseMutex (mutex);
2819 CloseHandle (mutex);
2820 return 0;
2821 case WAIT_FAILED:
2822 case WAIT_TIMEOUT:
2823 return 0;
2824 }
2825
2826 return mutex;
2827 }
2828
2829 static
2830 void _dbus_global_unlock (HANDLE mutex)
2831 {
2832 ReleaseMutex (mutex);
2833 CloseHandle (mutex);
2834 }
2835
2836 // for proper cleanup in dbus-daemon
2837 static HANDLE hDBusDaemonMutex = NULL;
2838 static HANDLE hDBusSharedMem = NULL;
2839 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
2840 static const char *cUniqueDBusInitMutex = "UniqueDBusInitMutex";
2841 // sync _dbus_get_autolaunch_address
2842 static const char *cDBusAutolaunchMutex = "DBusAutolaunchMutex";
2843 // mutex to determine if dbus-daemon is already started (per user)
2844 static const char *cDBusDaemonMutex = "DBusDaemonMutex";
2845 // named shm for dbus adress info (per user)
2846 static const char *cDBusDaemonAddressInfo = "DBusDaemonAddressInfo";
2847
2848 static dbus_bool_t
2849 _dbus_get_install_root_as_hash(DBusString *out)
2850 {
2851 DBusString install_path;
2852
2853 char path[MAX_PATH*2];
2854 int path_size = sizeof(path);
2855
2856 if (!_dbus_get_install_root(path,path_size))
2857 return FALSE;
2858
2859 _dbus_string_init(&install_path);
2860 _dbus_string_append(&install_path,path);
2861
2862 _dbus_string_init(out);
2863 _dbus_string_tolower_ascii(&install_path,0,_dbus_string_get_length(&install_path));
2864
2865 if (!_dbus_sha_compute (&install_path, out))
2866 return FALSE;
2867
2868 return TRUE;
2869 }
2870
2871 static dbus_bool_t
2872 _dbus_get_address_string (DBusString *out, const char *basestring, const char *scope)
2873 {
2874 _dbus_string_init(out);
2875 _dbus_string_append(out,basestring);
2876
2877 if (!scope)
2878 {
2879 return TRUE;
2880 }
2881 else if (strcmp(scope,"*install-path") == 0
2882 // for 1.3 compatibility
2883 || strcmp(scope,"install-path") == 0)
2884 {
2885 DBusString temp;
2886 if (!_dbus_get_install_root_as_hash(&temp))
2887 {
2888 _dbus_string_free(out);
2889 return FALSE;
2890 }
2891 _dbus_string_append(out,"-");
2892 _dbus_string_append(out,_dbus_string_get_const_data(&temp));
2893 _dbus_string_free(&temp);
2894 }
2895 else if (strcmp(scope,"*user") == 0)
2896 {
2897 _dbus_string_append(out,"-");
2898 if (!_dbus_append_user_from_current_process(out))
2899 {
2900 _dbus_string_free(out);
2901 return FALSE;
2902 }
2903 }
2904 else if (strlen(scope) > 0)
2905 {
2906 _dbus_string_append(out,"-");
2907 _dbus_string_append(out,scope);
2908 return TRUE;
2909 }
2910 return TRUE;
2911 }
2912
2913 static dbus_bool_t
2914 _dbus_get_shm_name (DBusString *out,const char *scope)
2915 {
2916 return _dbus_get_address_string (out,cDBusDaemonAddressInfo,scope);
2917 }
2918
2919 static dbus_bool_t
2920 _dbus_get_mutex_name (DBusString *out,const char *scope)
2921 {
2922 return _dbus_get_address_string (out,cDBusDaemonMutex,scope);
2923 }
2924
2925 dbus_bool_t
2926 _dbus_daemon_is_session_bus_address_published (const char *scope)
2927 {
2928 HANDLE lock;
2929 DBusString mutex_name;
2930
2931 if (!_dbus_get_mutex_name(&mutex_name,scope))
2932 {
2933 _dbus_string_free( &mutex_name );
2934 return FALSE;
2935 }
2936
2937 if (hDBusDaemonMutex)
2938 return TRUE;
2939
2940 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
2941 lock = _dbus_global_lock( cUniqueDBusInitMutex );
2942
2943 // we use CreateMutex instead of OpenMutex because of possible race conditions,
2944 // see http://msdn.microsoft.com/en-us/library/ms684315%28VS.85%29.aspx
2945 hDBusDaemonMutex = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
2946
2947 /* The client uses mutex ownership to detect a running server, so the server should do so too.
2948 Fortunally the client deletes the mutex in the lock protected area, so checking presence
2949 will work too. */
2950
2951 _dbus_global_unlock( lock );
2952
2953 _dbus_string_free( &mutex_name );
2954
2955 if (hDBusDaemonMutex == NULL)
2956 return FALSE;
2957 if (GetLastError() == ERROR_ALREADY_EXISTS)
2958 {
2959 CloseHandle(hDBusDaemonMutex);
2960 hDBusDaemonMutex = NULL;
2961 return TRUE;
2962 }
2963 // mutex wasn't created before, so return false.
2964 // We leave the mutex name allocated for later reusage
2965 // in _dbus_daemon_publish_session_bus_address.
2966 return FALSE;
2967 }
2968
2969 dbus_bool_t
2970 _dbus_daemon_publish_session_bus_address (const char* address, const char *scope)
2971 {
2972 HANDLE lock;
2973 char *shared_addr = NULL;
2974 DBusString shm_name;
2975 DBusString mutex_name;
2976 dbus_uint64_t len;
2977
2978 _dbus_assert (address);
2979
2980 if (!_dbus_get_mutex_name(&mutex_name,scope))
2981 {
2982 _dbus_string_free( &mutex_name );
2983 return FALSE;
2984 }
2985
2986 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
2987 lock = _dbus_global_lock( cUniqueDBusInitMutex );
2988
2989 if (!hDBusDaemonMutex)
2990 {
2991 hDBusDaemonMutex = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
2992 }
2993 _dbus_string_free( &mutex_name );
2994
2995 // acquire the mutex
2996 if (WaitForSingleObject( hDBusDaemonMutex, 10 ) != WAIT_OBJECT_0)
2997 {
2998 _dbus_global_unlock( lock );
2999 CloseHandle( hDBusDaemonMutex );
3000 return FALSE;
3001 }
3002
3003 if (!_dbus_get_shm_name(&shm_name,scope))
3004 {
3005 _dbus_string_free( &shm_name );
3006 _dbus_global_unlock( lock );
3007 return FALSE;
3008 }
3009
3010 // create shm
3011 len = strlen (address) + 1;
3012
3013 hDBusSharedMem = CreateFileMappingA( INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE,
3014 len >> 32, len & 0xffffffffu,
3015 _dbus_string_get_const_data(&shm_name) );
3016 _dbus_assert( hDBusSharedMem );
3017
3018 shared_addr = MapViewOfFile( hDBusSharedMem, FILE_MAP_WRITE, 0, 0, 0 );
3019
3020 _dbus_assert (shared_addr);
3021
3022 strcpy( shared_addr, address);
3023
3024 // cleanup
3025 UnmapViewOfFile( shared_addr );
3026
3027 _dbus_global_unlock( lock );
3028 _dbus_verbose( "published session bus address at %s\n",_dbus_string_get_const_data (&shm_name) );
3029
3030 _dbus_string_free( &shm_name );
3031 return TRUE;
3032 }
3033
3034 void
3035 _dbus_daemon_unpublish_session_bus_address (void)
3036 {
3037 HANDLE lock;
3038
3039 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
3040 lock = _dbus_global_lock( cUniqueDBusInitMutex );
3041
3042 CloseHandle( hDBusSharedMem );
3043
3044 hDBusSharedMem = NULL;
3045
3046 ReleaseMutex( hDBusDaemonMutex );
3047
3048 CloseHandle( hDBusDaemonMutex );
3049
3050 hDBusDaemonMutex = NULL;
3051
3052 _dbus_global_unlock( lock );
3053 }
3054
3055 static dbus_bool_t
3056 _dbus_get_autolaunch_shm (DBusString *address, DBusString *shm_name)
3057 {
3058 HANDLE sharedMem;
3059 char *shared_addr;
3060 int i;
3061
3062 // read shm
3063 for(i=0;i<20;++i) {
3064 // we know that dbus-daemon is available, so we wait until shm is available
3065 sharedMem = OpenFileMappingA( FILE_MAP_READ, FALSE, _dbus_string_get_const_data(shm_name));
3066 if( sharedMem == 0 )
3067 Sleep( 100 );
3068 if ( sharedMem != 0)
3069 break;
3070 }
3071
3072 if( sharedMem == 0 )
3073 return FALSE;
3074
3075 shared_addr = MapViewOfFile( sharedMem, FILE_MAP_READ, 0, 0, 0 );
3076
3077 if( !shared_addr )
3078 return FALSE;
3079
3080 _dbus_string_init( address );
3081
3082 _dbus_string_append( address, shared_addr );
3083
3084 // cleanup
3085 UnmapViewOfFile( shared_addr );
3086
3087 CloseHandle( sharedMem );
3088
3089 return TRUE;
3090 }
3091
3092 static dbus_bool_t
3093 _dbus_daemon_already_runs (DBusString *address, DBusString *shm_name, const char *scope)
3094 {
3095 HANDLE lock;
3096 HANDLE daemon;
3097 DBusString mutex_name;
3098 dbus_bool_t bRet = TRUE;
3099
3100 if (!_dbus_get_mutex_name(&mutex_name,scope))
3101 {
3102 _dbus_string_free( &mutex_name );
3103 return FALSE;
3104 }
3105
3106 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
3107 lock = _dbus_global_lock( cUniqueDBusInitMutex );
3108
3109 // do checks
3110 daemon = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
3111 if(WaitForSingleObject( daemon, 10 ) != WAIT_TIMEOUT)
3112 {
3113 ReleaseMutex (daemon);
3114 CloseHandle (daemon);
3115
3116 _dbus_global_unlock( lock );
3117 _dbus_string_free( &mutex_name );
3118 return FALSE;
3119 }
3120
3121 // read shm
3122 bRet = _dbus_get_autolaunch_shm( address, shm_name );
3123
3124 // cleanup
3125 CloseHandle ( daemon );
3126
3127 _dbus_global_unlock( lock );
3128 _dbus_string_free( &mutex_name );
3129
3130 return bRet;
3131 }
3132
3133 dbus_bool_t
3134 _dbus_get_autolaunch_address (const char *scope, DBusString *address,
3135 DBusError *error)
3136 {
3137 HANDLE mutex;
3138 STARTUPINFOA si;
3139 PROCESS_INFORMATION pi;
3140 dbus_bool_t retval = FALSE;
3141 LPSTR lpFile;
3142 char dbus_exe_path[MAX_PATH];
3143 char dbus_args[MAX_PATH * 2];
3144 const char * daemon_name = DBUS_DAEMON_NAME ".exe";
3145 DBusString shm_name;
3146
3147 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
3148
3149 if (!_dbus_get_shm_name(&shm_name,scope))
3150 {
3151 dbus_set_error_const (error, DBUS_ERROR_FAILED, "could not determine shm name");
3152 return FALSE;
3153 }
3154
3155 mutex = _dbus_global_lock ( cDBusAutolaunchMutex );
3156
3157 if (_dbus_daemon_already_runs(address,&shm_name,scope))
3158 {
3159 _dbus_verbose( "found running dbus daemon for scope '%s' at %s\n",
3160 scope ? scope : "", _dbus_string_get_const_data (&shm_name) );
3161 retval = TRUE;
3162 goto out;
3163 }
3164
3165 if (!SearchPathA(NULL, daemon_name, NULL, sizeof(dbus_exe_path), dbus_exe_path, &lpFile))
3166 {
3167 // Look in directory containing dbus shared library
3168 HMODULE hmod;
3169 char dbus_module_path[MAX_PATH];
3170 DWORD rc;
3171
3172 _dbus_verbose( "did not found dbus daemon executable on default search path, "
3173 "trying path where dbus shared library is located");
3174
3175 hmod = _dbus_win_get_dll_hmodule();
3176 rc = GetModuleFileNameA(hmod, dbus_module_path, sizeof(dbus_module_path));
3177 if (rc <= 0)
3178 {
3179 dbus_set_error_const (error, DBUS_ERROR_FAILED, "could not retrieve dbus shared library file name");
3180 retval = FALSE;
3181 goto out;
3182 }
3183 else
3184 {
3185 char *ext_idx = strrchr(dbus_module_path, '\\');
3186 if (ext_idx)
3187 *ext_idx = '\0';
3188 if (!SearchPathA(dbus_module_path, daemon_name, NULL, sizeof(dbus_exe_path), dbus_exe_path, &lpFile))
3189 {
3190 dbus_set_error_const (error, DBUS_ERROR_FAILED, "could not find dbus-daemon executable");
3191 retval = FALSE;
3192 printf ("please add the path to %s to your PATH environment variable\n", daemon_name);
3193 printf ("or start the daemon manually\n\n");
3194 goto out;
3195 }
3196 _dbus_verbose( "found dbus daemon executable at %s",dbus_module_path);
3197 }
3198 }
3199
3200
3201 // Create process
3202 ZeroMemory( &si, sizeof(si) );
3203 si.cb = sizeof(si);
3204 ZeroMemory( &pi, sizeof(pi) );
3205
3206 _snprintf(dbus_args, sizeof(dbus_args) - 1, "\"%s\" %s", dbus_exe_path, " --session");
3207
3208 // argv[i] = "--config-file=bus\\session.conf";
3209 // printf("create process \"%s\" %s\n", dbus_exe_path, dbus_args);
3210 if(CreateProcessA(dbus_exe_path, dbus_args, NULL, NULL, FALSE, CREATE_NO_WINDOW, NULL, NULL, &si, &pi))
3211 {
3212 CloseHandle (pi.hThread);
3213 CloseHandle (pi.hProcess);
3214 retval = _dbus_get_autolaunch_shm( address, &shm_name );
3215 if (retval == FALSE)
3216 dbus_set_error_const (error, DBUS_ERROR_FAILED, "Failed to get autolaunch address from launched dbus-daemon");
3217 }
3218 else
3219 {
3220 dbus_set_error_const (error, DBUS_ERROR_FAILED, "Failed to launch dbus-daemon");
3221 retval = FALSE;
3222 }
3223
3224 out:
3225 if (retval)
3226 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
3227 else
3228 _DBUS_ASSERT_ERROR_IS_SET (error);
3229
3230 _dbus_global_unlock (mutex);
3231 _dbus_string_free (&shm_name);
3232
3233 return retval;
3234 }
3235
3236
3243 dbus_bool_t
3244 _dbus_make_file_world_readable(const DBusString *filename,
3245 DBusError *error)
3246 {
3247 // TODO
3248 return TRUE;
3249 }
3250
3258 dbus_int32_t
3259 _dbus_atomic_inc (DBusAtomic *atomic)
3260 {
3261 // +/- 1 is needed here!
3262 // no volatile argument with mingw
3263 return InterlockedIncrement (&atomic->value) - 1;
3264 }
3265
3273 dbus_int32_t
3274 _dbus_atomic_dec (DBusAtomic *atomic)
3275 {
3276 // +/- 1 is needed here!
3277 // no volatile argument with mingw
3278 return InterlockedDecrement (&atomic->value) + 1;
3279 }
3280
3288 dbus_int32_t
3289 _dbus_atomic_get (DBusAtomic *atomic)
3290 {
3291 /* In this situation, GLib issues a MemoryBarrier() and then returns
3292 * atomic->value. However, mingw from mingw.org (not to be confused with
3293 * mingw-w64 from mingw-w64.sf.net) does not have MemoryBarrier in its
3294 * headers, so we have to get a memory barrier some other way.
3295 *
3296 * InterlockedIncrement is older, and is documented on MSDN to be a full
3297 * memory barrier, so let's use that.
3298 */
3299 long dummy = 0;
3300
3301 InterlockedExchange (&dummy, 1);
3302
3303 return atomic->value;
3304 }
3305
3313 void
3314 _dbus_flush_caches (void)
3315 {
3316 }
3317
3324 dbus_bool_t
3325 _dbus_get_is_errno_eagain_or_ewouldblock (int e)
3326 {
3327 return e == WSAEWOULDBLOCK;
3328 }
3329
3337 dbus_bool_t
3338 _dbus_get_install_root(char *prefix, int len)
3339 {
3340 //To find the prefix, we cut the filename and also \bin\ if present
3341 DWORD pathLength;
3342 char *lastSlash;
3343 SetLastError( 0 );
3344 pathLength = GetModuleFileNameA(_dbus_win_get_dll_hmodule(), prefix, len);
3345 if ( pathLength == 0 || GetLastError() != 0 ) {
3346 *prefix = '\0';
3347 return FALSE;
3348 }
3349 lastSlash = _mbsrchr(prefix, '\\');
3350 if (lastSlash == NULL) {
3351 *prefix = '\0';
3352 return FALSE;
3353 }
3354 //cut off binary name
3355 lastSlash[1] = 0;
3356
3357 //cut possible "\\bin"
3358
3359 //this fails if we are in a double-byte system codepage and the
3360 //folder's name happens to end with the *bytes*
3361 //"\\bin"... (I.e. the second byte of some Han character and then
3362 //the Latin "bin", but that is not likely I think...
3363 if (lastSlash - prefix >= 4 && strnicmp(lastSlash - 4, "\\bin", 4) == 0)
3364 lastSlash[-3] = 0;
3365 else if (lastSlash - prefix >= 10 && strnicmp(lastSlash - 10, "\\bin\\debug", 10) == 0)
3366 lastSlash[-9] = 0;
3367 else if (lastSlash - prefix >= 12 && strnicmp(lastSlash - 12, "\\bin\\release", 12) == 0)
3368 lastSlash[-11] = 0;
3369
3370 return TRUE;
3371 }
3372
3373 /* See comment in dbus-sysdeps-unix.c */
3374 dbus_bool_t
3375 _dbus_lookup_session_address (dbus_bool_t *supported,
3376 DBusString *address,
3377 DBusError *error)
3378 {
3379 /* Probably fill this in with something based on COM? */
3380 *supported = FALSE;
3381 return TRUE;
3382 }
3383
3397 dbus_bool_t
3398 _dbus_append_keyring_directory_for_credentials (DBusString *directory,
3399 DBusCredentials *credentials)
3400 {
3401 DBusString homedir;
3402 DBusString dotdir;
3403 const char *homepath;
3404 const char *homedrive;
3405
3406 _dbus_assert (credentials != NULL);
3407 _dbus_assert (!_dbus_credentials_are_anonymous (credentials));
3408
3409 if (!_dbus_string_init (&homedir))
3410 return FALSE;
3411
3412 homedrive = _dbus_getenv("HOMEDRIVE");
3413 if (homedrive != NULL && *homedrive != '\0')
3414 {
3415 _dbus_string_append(&homedir,homedrive);
3416 }
3417
3418 homepath = _dbus_getenv("HOMEPATH");
3419 if (homepath != NULL && *homepath != '\0')
3420 {
3421 _dbus_string_append(&homedir,homepath);
3422 }
3423
3424 #ifdef DBUS_ENABLE_EMBEDDED_TESTS
3425 {
3426 const char *override;
3427
3428 override = _dbus_getenv ("DBUS_TEST_HOMEDIR");
3429 if (override != NULL && *override != '\0')
3430 {
3431 _dbus_string_set_length (&homedir, 0);
3432 if (!_dbus_string_append (&homedir, override))
3433 goto failed;
3434
3435 _dbus_verbose ("Using fake homedir for testing: %s\n",
3436 _dbus_string_get_const_data (&homedir));
3437 }
3438 else
3439 {
3440 /* Not strictly thread-safe, but if we fail at thread-safety here,
3441 * the worst that will happen is some extra warnings. */
3442 static dbus_bool_t already_warned = FALSE;
3443 if (!already_warned)
3444 {
3445 _dbus_warn ("Using your real home directory for testing, set DBUS_TEST_HOMEDIR to avoid\n");
3446 already_warned = TRUE;
3447 }
3448 }
3449 }
3450 #endif
3451
3452 #ifdef DBUS_WINCE
3453 /* It's not possible to create a .something directory in Windows CE
3454 using the file explorer. */
3455 #define KEYRING_DIR "dbus-keyrings"
3456 #else
3457 #define KEYRING_DIR ".dbus-keyrings"
3458 #endif
3459
3460 _dbus_string_init_const (&dotdir, KEYRING_DIR);
3461 if (!_dbus_concat_dir_and_file (&homedir,
3462 &dotdir))
3463 goto failed;
3464
3465 if (!_dbus_string_copy (&homedir, 0,
3466 directory, _dbus_string_get_length (directory))) {
3467 goto failed;
3468 }
3469
3470 _dbus_string_free (&homedir);
3471 return TRUE;
3472
3473 failed:
3474 _dbus_string_free (&homedir);
3475 return FALSE;
3476 }
3477
3483 dbus_bool_t
3484 _dbus_file_exists (const char *file)
3485 {
3486 DWORD attributes = GetFileAttributesA (file);
3487
3488 if (attributes != INVALID_FILE_ATTRIBUTES && GetLastError() != ERROR_PATH_NOT_FOUND)
3489 return TRUE;
3490 else
3491 return FALSE;
3492 }
3493
3501 const char*
3502 _dbus_strerror (int error_number)
3503 {
3504 #ifdef DBUS_WINCE
3505 // TODO
3506 return "unknown";
3507 #else
3508 const char *msg;
3509
3510 switch (error_number)
3511 {
3512 case WSAEINTR:
3513 return "Interrupted function call";
3514 case WSAEACCES:
3515 return "Permission denied";
3516 case WSAEFAULT:
3517 return "Bad address";
3518 case WSAEINVAL:
3519 return "Invalid argument";
3520 case WSAEMFILE:
3521 return "Too many open files";
3522 case WSAEWOULDBLOCK:
3523 return "Resource temporarily unavailable";
3524 case WSAEINPROGRESS:
3525 return "Operation now in progress";
3526 case WSAEALREADY:
3527 return "Operation already in progress";
3528 case WSAENOTSOCK:
3529 return "Socket operation on nonsocket";
3530 case WSAEDESTADDRREQ:
3531 return "Destination address required";
3532 case WSAEMSGSIZE:
3533 return "Message too long";
3534 case WSAEPROTOTYPE:
3535 return "Protocol wrong type for socket";
3536 case WSAENOPROTOOPT:
3537 return "Bad protocol option";
3538 case WSAEPROTONOSUPPORT:
3539 return "Protocol not supported";
3540 case WSAESOCKTNOSUPPORT:
3541 return "Socket type not supported";
3542 case WSAEOPNOTSUPP:
3543 return "Operation not supported";
3544 case WSAEPFNOSUPPORT:
3545 return "Protocol family not supported";
3546 case WSAEAFNOSUPPORT:
3547 return "Address family not supported by protocol family";
3548 case WSAEADDRINUSE:
3549 return "Address already in use";
3550 case WSAEADDRNOTAVAIL:
3551 return "Cannot assign requested address";
3552 case WSAENETDOWN:
3553 return "Network is down";
3554 case WSAENETUNREACH:
3555 return "Network is unreachable";
3556 case WSAENETRESET:
3557 return "Network dropped connection on reset";
3558 case WSAECONNABORTED:
3559 return "Software caused connection abort";
3560 case WSAECONNRESET:
3561 return "Connection reset by peer";
3562 case WSAENOBUFS:
3563 return "No buffer space available";
3564 case WSAEISCONN:
3565 return "Socket is already connected";
3566 case WSAENOTCONN:
3567 return "Socket is not connected";
3568 case WSAESHUTDOWN:
3569 return "Cannot send after socket shutdown";
3570 case WSAETIMEDOUT:
3571 return "Connection timed out";
3572 case WSAECONNREFUSED:
3573 return "Connection refused";
3574 case WSAEHOSTDOWN:
3575 return "Host is down";
3576 case WSAEHOSTUNREACH:
3577 return "No route to host";
3578 case WSAEPROCLIM:
3579 return "Too many processes";
3580 case WSAEDISCON:
3581 return "Graceful shutdown in progress";
3582 case WSATYPE_NOT_FOUND:
3583 return "Class type not found";
3584 case WSAHOST_NOT_FOUND:
3585 return "Host not found";
3586 case WSATRY_AGAIN:
3587 return "Nonauthoritative host not found";
3588 case WSANO_RECOVERY:
3589 return "This is a nonrecoverable error";
3590 case WSANO_DATA:
3591 return "Valid name, no data record of requested type";
3592 case WSA_INVALID_HANDLE:
3593 return "Specified event object handle is invalid";
3594 case WSA_INVALID_PARAMETER:
3595 return "One or more parameters are invalid";
3596 case WSA_IO_INCOMPLETE:
3597 return "Overlapped I/O event object not in signaled state";
3598 case WSA_IO_PENDING:
3599 return "Overlapped operations will complete later";
3600 case WSA_NOT_ENOUGH_MEMORY:
3601 return "Insufficient memory available";
3602 case WSA_OPERATION_ABORTED:
3603 return "Overlapped operation aborted";
3604 #ifdef WSAINVALIDPROCTABLE
3605
3606 case WSAINVALIDPROCTABLE:
3607 return "Invalid procedure table from service provider";
3608 #endif
3609 #ifdef WSAINVALIDPROVIDER
3610
3611 case WSAINVALIDPROVIDER:
3612 return "Invalid service provider version number";
3613 #endif
3614 #ifdef WSAPROVIDERFAILEDINIT
3615
3616 case WSAPROVIDERFAILEDINIT:
3617 return "Unable to initialize a service provider";
3618 #endif
3619
3620 case WSASYSCALLFAILURE:
3621 return "System call failure";
3622 }
3623 msg = strerror (error_number);
3624 if (msg == NULL)
3625 msg = "unknown";
3626
3627 return msg;
3628 #endif //DBUS_WINCE
3629 }
3630
3638 void
3639 _dbus_win_set_error_from_win_error (DBusError *error,
3640 int code)
3641 {
3642 char *msg;
3643
3644 /* As we want the English message, use the A API */
3645 FormatMessageA (FORMAT_MESSAGE_ALLOCATE_BUFFER |
3646 FORMAT_MESSAGE_IGNORE_INSERTS |
3647 FORMAT_MESSAGE_FROM_SYSTEM,
3648 NULL, code, MAKELANGID (LANG_ENGLISH, SUBLANG_ENGLISH_US),
3649 (LPSTR) &msg, 0, NULL);
3650 if (msg)
3651 {
3652 dbus_set_error (error, "win32.error", "%s", msg);
3653 LocalFree (msg);
3654 }
3655 else
3656 dbus_set_error (error, "win32.error", "Unknown error code %d or FormatMessage failed", code);
3657 }
3658
3659 void
3660 _dbus_win_warn_win_error (const char *message,
3661 unsigned long code)
3662 {
3663 DBusError error;
3664
3665 dbus_error_init (&error);
3666 _dbus_win_set_error_from_win_error (&error, code);
3667 _dbus_warn ("%s: %s\n", message, error.message);
3668 dbus_error_free (&error);
3669 }
3670
3678 dbus_bool_t
3679 _dbus_delete_directory (const DBusString *filename,
3680 DBusError *error)
3681 {
3682 const char *filename_c;
3683
3684 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
3685
3686 filename_c = _dbus_string_get_const_data (filename);
3687
3688 if (RemoveDirectoryA (filename_c) == 0)
3689 {
3690 char *emsg = _dbus_win_error_string (GetLastError ());
3691 dbus_set_error (error, _dbus_win_error_from_last_error (),
3692 "Failed to remove directory %s: %s",
3693 filename_c, emsg);
3694 _dbus_win_free_error_string (emsg);
3695 return FALSE;
3696 }
3697
3698 return TRUE;
3699 }
3700
3707 dbus_bool_t
3708 _dbus_path_is_absolute (const DBusString *filename)
3709 {
3710 if (_dbus_string_get_length (filename) > 0)
3711 return _dbus_string_get_byte (filename, 1) == ':'
3712 || _dbus_string_get_byte (filename, 0) == '\\'
3713 || _dbus_string_get_byte (filename, 0) == '/';
3714 else
3715 return FALSE;
3716 }
3717
3718 dbus_bool_t
3719 _dbus_check_setuid (void)
3720 {
3721 return FALSE;
3722 }
3723
3724 int
3725 _dbus_save_socket_errno (void)
3726 {
3727 return errno;
3728 }
3729
3730 void
3731 _dbus_restore_socket_errno (int saved_errno)
3732 {
3733 _dbus_win_set_errno (saved_errno);
3734 }
3735
3737 /* tests in dbus-sysdeps-util.c */
3738
_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
DBusAtomic
An atomic integer safe to increment or decrement from multiple threads.
Definition: dbus-sysdeps.h:279
DBUS_ERROR_FILE_NOT_FOUND
#define DBUS_ERROR_FILE_NOT_FOUND
Missing file.
Definition: dbus-protocol.h:393
DBUS_ERROR_FILE_EXISTS
#define DBUS_ERROR_FILE_EXISTS
Existing file and the operation you&#39;re using does not silently overwrite.
Definition: dbus-protocol.h:395
DBusError::message
const char * message
public error message field
Definition: dbus-errors.h:51
NULL
#define NULL
A null pointer, defined appropriately for C or C++.
DBusCredentials
Definition: dbus-credentials.c:48
DBusAtomic::value
volatile dbus_int32_t value
Value of the atomic integer.
Definition: dbus-sysdeps.h:284
_dbus_check_dir_is_private_to_user
dbus_bool_t _dbus_check_dir_is_private_to_user(DBusString *dir, DBusError *error)
Checks to make sure the given directory is private to the user.
Definition: dbus-sysdeps-win.c:2002
dbus_realloc
void * dbus_realloc(void *memory, size_t bytes)
Resizes a block of memory previously allocated by dbus_malloc() or dbus_malloc0().
Definition: dbus-memory.c:601
_dbus_string_lengthen
dbus_bool_t _dbus_string_lengthen(DBusString *str, int additional_length)
Makes a string longer by the given number of bytes.
Definition: dbus-string.c:760
_dbus_ensure_directory
dbus_bool_t _dbus_ensure_directory(const DBusString *filename, DBusError *error)
Creates a directory; succeeds if the directory is created or already existed.
Definition: dbus-sysdeps-win.c:2264
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_socketpair
dbus_bool_t _dbus_socketpair(DBusSocket *fd1, DBusSocket *fd2, dbus_bool_t blocking, DBusError *error)
Creates pair of connect sockets (as in socketpair()).
Definition: dbus-sysdeps-win.c:1053
dbus_new
#define dbus_new(type, count)
Safe macro for using dbus_malloc().
Definition: dbus-memory.h:58
_dbus_path_is_absolute
dbus_bool_t _dbus_path_is_absolute(const DBusString *filename)
Checks whether the filename is an absolute path.
Definition: dbus-sysdeps-win.c:3708
DBusGUID::as_uint32s
dbus_uint32_t as_uint32s[DBUS_UUID_LENGTH_WORDS]
guid as four uint32 values
Definition: dbus-internals.h:392
_dbus_assert
#define _dbus_assert(condition)
Aborts with an error message if the condition is false.
Definition: dbus-internals.h:148
_dbus_check_setuid
dbus_bool_t _dbus_check_setuid(void)
NOTE: If you modify this function, please also consider making the corresponding change in GLib...
Definition: dbus-sysdeps-win.c:3719
_dbus_string_tolower_ascii
void _dbus_string_tolower_ascii(const DBusString *str, int start, int len)
Converts the given range of the string to lower case.
Definition: dbus-string.c:2485
dbus_error_free
void dbus_error_free(DBusError *error)
Frees an error that&#39;s been set (or just initialized), then reinitializes the error as in dbus_error_i...
Definition: dbus-errors.c:211
DBusPollFD
Definition: dbus-sysdeps.h:380
DBusGUID
A globally unique ID ; we have one for each DBusServer, and also one for each machine with libdbus in...
Definition: dbus-internals.h:390
_dbus_getpid
dbus_pid_t _dbus_getpid(void)
Gets our process ID.
Definition: dbus-sysdeps-win.c:2136
_DBUS_POLLIN
#define _DBUS_POLLIN
There is data to read.
Definition: dbus-sysdeps.h:388
_dbus_concat_dir_and_file
dbus_bool_t _dbus_concat_dir_and_file(DBusString *dir, const DBusString *next_component)
Appends the given filename to the given directory.
Definition: dbus-sysdeps-win.c:2021
_dbus_file_exists
dbus_bool_t _dbus_file_exists(const char *file)
Checks if a file exists.
Definition: dbus-sysdeps-win.c:3484
_dbus_string_get_data_len
char * _dbus_string_get_data_len(DBusString *str, int start, int len)
Gets a sub-portion of the raw character buffer from the string.
Definition: dbus-string.c:490
_dbus_read_socket
int _dbus_read_socket(DBusSocket fd, DBusString *buffer, int count)
Socket interface.
Definition: dbus-sysdeps-win.c:378
_dbus_string_init
dbus_bool_t _dbus_string_init(DBusString *str)
Initializes a string.
Definition: dbus-string.c:175
DBUS_ERROR_IO_ERROR
#define DBUS_ERROR_IO_ERROR
Something went wrong reading or writing to a socket, for example.
Definition: dbus-protocol.h:365
_dbus_string_shorten
void _dbus_string_shorten(DBusString *str, int length_to_remove)
Makes a string shorter by the given number of bytes.
Definition: dbus-string.c:780
DBusPollFD::events
short events
Events to poll for.
Definition: dbus-sysdeps.h:383
_dbus_string_copy
dbus_bool_t _dbus_string_copy(const DBusString *source, int start, DBusString *dest, int insert_at)
Like _dbus_string_move(), but does not delete the section of the source string that&#39;s copied to the d...
Definition: dbus-string.c:1283
_dbus_credentials_add_windows_sid
dbus_bool_t _dbus_credentials_add_windows_sid(DBusCredentials *credentials, const char *windows_sid)
Add a Windows user SID to the credentials.
Definition: dbus-credentials.c:183
_dbus_send_credentials_socket
dbus_bool_t _dbus_send_credentials_socket(DBusSocket handle, DBusError *error)
Sends a single nul byte with our UNIX credentials as ancillary data.
Definition: dbus-sysdeps-win.c:1873
_dbus_close_socket
dbus_bool_t _dbus_close_socket(DBusSocket fd, DBusError *error)
Closes a file descriptor.
Definition: dbus-sysdeps-win.c:492
DBUS_UID_UNSET
#define DBUS_UID_UNSET
an invalid UID used to represent an uninitialized dbus_uid_t field
Definition: dbus-sysdeps.h:114
_dbus_delete_file
dbus_bool_t _dbus_delete_file(const DBusString *filename, DBusError *error)
Deletes the given file.
Definition: dbus-sysdeps-win.c:2388
_dbus_abort
void _dbus_abort(void)
Aborts the program with SIGABRT (dumping core).
Definition: dbus-sysdeps.c:77
_dbus_get_autolaunch_address
dbus_bool_t _dbus_get_autolaunch_address(const char *scope, DBusString *address, DBusError *error)
Returns the address of a new session bus.
Definition: dbus-sysdeps-win.c:3134
_dbus_error_from_errno
const char * _dbus_error_from_errno(int error_number)
Converts a UNIX errno, or Windows errno or WinSock error value into a DBusError name.
Definition: dbus-sysdeps.c:590
dbus_pid_t
unsigned long dbus_pid_t
A process ID.
Definition: dbus-sysdeps.h:105
DBusSocket
Socket interface.
Definition: dbus-sysdeps.h:148
dbus_malloc
void * dbus_malloc(size_t bytes)
Allocates the given number of bytes, as with standard malloc().
Definition: dbus-memory.c:461
_dbus_append_user_from_current_process
dbus_bool_t _dbus_append_user_from_current_process(DBusString *str)
Append to the string the identity we would like to have when we authenticate, on UNIX this is the cur...
Definition: dbus-sysdeps-win.c:2117
_dbus_credentials_are_anonymous
dbus_bool_t _dbus_credentials_are_anonymous(DBusCredentials *credentials)
Checks whether a credentials object contains a user identity.
Definition: dbus-credentials.c:408
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-win.c:3325
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_make_file_world_readable
dbus_bool_t _dbus_make_file_world_readable(const DBusString *filename, DBusError *error)
Makes the file readable by every user in the system.
Definition: dbus-sysdeps-win.c:3244
_DBUS_POLLOUT
#define _DBUS_POLLOUT
Writing now will not block.
Definition: dbus-sysdeps.h:392
_dbus_warn
void _dbus_warn(const char *format,...)
Prints a warning message to stderr.
Definition: dbus-internals.c:230
_dbus_write_socket_two
int _dbus_write_socket_two(DBusSocket fd, const DBusString *buffer1, int start1, int len1, const DBusString *buffer2, int start2, int len2)
Like _dbus_write() but will use writev() if possible to write both buffers in sequence.
Definition: dbus-sysdeps-win.c:582
_dbus_accept
DBusSocket _dbus_accept(DBusSocket listen_fd)
Accepts a connection on a listening socket.
Definition: dbus-sysdeps-win.c:1850
_dbus_atomic_inc
dbus_int32_t _dbus_atomic_inc(DBusAtomic *atomic)
Atomically increments an integer.
Definition: dbus-sysdeps-win.c:3259
_dbus_append_keyring_directory_for_credentials
dbus_bool_t _dbus_append_keyring_directory_for_credentials(DBusString *directory, DBusCredentials *credentials)
Appends the directory in which a keyring for the given credentials should be stored.
Definition: dbus-sysdeps-win.c:3398
_dbus_read_credentials_socket
dbus_bool_t _dbus_read_credentials_socket(DBusSocket handle, DBusCredentials *credentials, DBusError *error)
Reads a single byte which must be nul (an error occurs otherwise), and reads unix credentials if avai...
Definition: dbus-sysdeps-win.c:1950
_dbus_create_directory
dbus_bool_t _dbus_create_directory(const DBusString *filename, DBusError *error)
Creates a directory.
Definition: dbus-sysdeps-win.c:2235
_dbus_delete_directory
dbus_bool_t _dbus_delete_directory(const DBusString *filename, DBusError *error)
Removes a directory; Directory must be empty.
Definition: dbus-sysdeps-win.c:3679
DBusError
Object representing an exception.
Definition: dbus-errors.h:48
_dbus_get_monotonic_time
void _dbus_get_monotonic_time(long *tv_sec, long *tv_usec)
Get current time, as in gettimeofday().
Definition: dbus-sysdeps-win.c:2211
_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-win.c:1638
_dbus_string_validate_utf8
dbus_bool_t _dbus_string_validate_utf8(const DBusString *str, int start, int len)
Checks that the given range of the string is valid UTF-8.
Definition: dbus-string.c:2555
_dbus_disable_sigpipe
void _dbus_disable_sigpipe(void)
signal (SIGPIPE, SIG_IGN);
Definition: dbus-sysdeps-win.c:2222
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_flush_caches
void _dbus_flush_caches(void)
Called when the bus daemon is signaled to reload its configuration; any caches should be nuked...
Definition: dbus-sysdeps-win.c:3314
_dbus_get_tmpdir
const char * _dbus_get_tmpdir(void)
Gets the temporary files directory by inspecting the environment variables TMPDIR, TMP, and TEMP in that order.
Definition: dbus-sysdeps-win.c:2341
_dbus_string_append_byte
dbus_bool_t _dbus_string_append_byte(DBusString *str, unsigned char byte)
Appends a single byte to the string, returning FALSE if not enough memory.
Definition: dbus-string.c:1157
_DBUS_UNLOCK
#define _DBUS_UNLOCK(name)
Unlocks a global lock.
Definition: dbus-internals.h:369
_dbus_string_free
void _dbus_string_free(DBusString *str)
Frees a string created by _dbus_string_init().
Definition: dbus-string.c:259
_dbus_credentials_add_from_current_process
dbus_bool_t _dbus_credentials_add_from_current_process(DBusCredentials *credentials)
Adds the credentials of the current process to the passed-in credentials object.
Definition: dbus-sysdeps-win.c:2079
TRUE
#define TRUE
Expands to "1".
DBusPollFD::fd
DBusPollable fd
File descriptor.
Definition: dbus-sysdeps.h:382
_dbus_assert_not_reached
#define _dbus_assert_not_reached(explanation)
Aborts with an error message if called.
Definition: dbus-internals.h:159
_dbus_credentials_add_pid
dbus_bool_t _dbus_credentials_add_pid(DBusCredentials *credentials, dbus_pid_t pid)
Add a UNIX process ID to the credentials.
Definition: dbus-credentials.c:152
DBUS_ERROR_FAILED
#define DBUS_ERROR_FAILED
A generic error; "something went wrong" - see the error message for more.
Definition: dbus-protocol.h:355
_dbus_exit
void _dbus_exit(int code)
Exit the process, returning the given value.
Definition: dbus-sysdeps-win.c:1473
_dbus_strerror_from_errno
const char * _dbus_strerror_from_errno(void)
Get error message from errno.
Definition: dbus-sysdeps.c:749
_dbus_pid_for_log
unsigned long _dbus_pid_for_log(void)
The only reason this is separate from _dbus_getpid() is to allow it on Windows for logging but not fo...
Definition: dbus-sysdeps-win.c:937
_dbus_connect_tcp_socket
DBusSocket _dbus_connect_tcp_socket(const char *host, const char *port, const char *family, DBusError *error)
Creates a socket and connects to a socket at the given host and port.
Definition: dbus-sysdeps-win.c:1490
dbus_error_init
void dbus_error_init(DBusError *error)
Initializes a DBusError structure.
Definition: dbus-errors.c:188
_dbus_atomic_dec
dbus_int32_t _dbus_atomic_dec(DBusAtomic *atomic)
Atomically decrement an integer.
Definition: dbus-sysdeps-win.c:3274
DBUS_ERROR_ACCESS_DENIED
#define DBUS_ERROR_ACCESS_DENIED
Security restrictions don&#39;t allow doing what you&#39;re trying to do.
Definition: dbus-protocol.h:373
_dbus_getuid
dbus_uid_t _dbus_getuid(void)
Gets our Unix UID.
Definition: dbus-sysdeps-win.c:2145
_dbus_generate_random_bytes
dbus_bool_t _dbus_generate_random_bytes(DBusString *str, int n_bytes, DBusError *error)
Generates the given number of random bytes, using the best mechanism we can come up with...
Definition: dbus-sysdeps-win.c:2298
_dbus_set_socket_nonblocking
dbus_bool_t _dbus_set_socket_nonblocking(DBusSocket handle, DBusError *error)
Sets a file descriptor to be nonblocking.
Definition: dbus-sysdeps-win.c:541
DBUS_ERROR_NO_MEMORY
#define DBUS_ERROR_NO_MEMORY
There was not enough memory to complete an operation.
Definition: dbus-protocol.h:357
_dbus_lookup_session_address
dbus_bool_t _dbus_lookup_session_address(dbus_bool_t *supported, DBusString *address, DBusError *error)
Determines the address of the session bus by querying a platform-specific method. ...
Definition: dbus-sysdeps-win.c:3375
FALSE
#define FALSE
Expands to "0".
_dbus_read_local_machine_uuid
dbus_bool_t _dbus_read_local_machine_uuid(DBusGUID *machine_id, dbus_bool_t create_if_not_found, DBusError *error)
Reads the uuid of the machine we&#39;re running on from the dbus configuration.
Definition: dbus-sysdeps-win.c:2731
_dbus_print_backtrace
void _dbus_print_backtrace(void)
On GNU libc systems, print a crude backtrace to stderr.
Definition: dbus-sysdeps-win.c:2708
_dbus_sha_compute
dbus_bool_t _dbus_sha_compute(const DBusString *data, DBusString *ascii_output)
Computes the ASCII hex-encoded shasum of the given data and appends it to the output string...
Definition: dbus-sha.c:483
dbus_set_error_const
void dbus_set_error_const(DBusError *error, const char *name, const char *message)
Assigns an error name and message to a DBusError.
Definition: dbus-errors.c:243
_dbus_string_set_length
dbus_bool_t _dbus_string_set_length(DBusString *str, int length)
Sets the length of a string.
Definition: dbus-string.c:802
_DBUS_LOCK
#define _DBUS_LOCK(name)
Locks a global lock, initializing it first if necessary.
Definition: dbus-internals.h:368
_dbus_write_socket
int _dbus_write_socket(DBusSocket fd, const DBusString *buffer, int start, int len)
Thin wrapper around the write() system call that writes a part of a DBusString and handles EINTR for ...
Definition: dbus-sysdeps-win.c:448
_dbus_atomic_get
dbus_int32_t _dbus_atomic_get(DBusAtomic *atomic)
Atomically get the value of an integer.
Definition: dbus-sysdeps-win.c:3289
_dbus_sleep_milliseconds
void _dbus_sleep_milliseconds(int milliseconds)
Sleeps the given number of milliseconds.
Definition: dbus-sysdeps-win.c:2166
_dbus_verbose_bytes_of_string
DBUS_PRIVATE_EXPORT void _dbus_verbose_bytes_of_string(const DBusString *str, int start, int len)
Dump the given part of the string to verbose log.
Definition: dbus-marshal-basic.c:1360
_dbus_printf_string_upper_bound
int _dbus_printf_string_upper_bound(const char *format, va_list args)
Measure the message length without terminating nul.
Definition: dbus-sysdeps-win.c:730
_DBUS_ZERO
#define _DBUS_ZERO(object)
Sets all bits in an object to zero.
Definition: dbus-internals.h:194
_dbus_getenv
const char * _dbus_getenv(const char *varname)
Wrapper for getenv().
Definition: dbus-sysdeps.c:185
DBUS_ERROR_INVALID_ARGS
#define DBUS_ERROR_INVALID_ARGS
Invalid arguments passed to a method call.
Definition: dbus-protocol.h:391
dbus_uid_t
unsigned long dbus_uid_t
A user ID.
Definition: dbus-sysdeps.h:107
_dbus_poll
int _dbus_poll(DBusPollFD *fds, int n_fds, int timeout_milliseconds)
Wrapper for poll().
Definition: dbus-sysdeps-win.c:1170
DBusPollFD::revents
short revents
Events that occurred.
Definition: dbus-sysdeps.h:384
DBUS_ERROR_LIMITS_EXCEEDED
#define DBUS_ERROR_LIMITS_EXCEEDED
Some limited resource is exhausted.
Definition: dbus-protocol.h:371
_dbus_string_init_const_len
void _dbus_string_init_const_len(DBusString *str, const char *value, int len)
Initializes a constant string with a length.
Definition: dbus-string.c:210
_dbus_get_real_time
void _dbus_get_real_time(long *tv_sec, long *tv_usec)
Get current time, as in gettimeofday().
Definition: dbus-sysdeps-win.c:2180
_DBUS_POLLERR
#define _DBUS_POLLERR
Error condition.
Definition: dbus-sysdeps.h:394
_dbus_credentials_add_from_user
dbus_bool_t _dbus_credentials_add_from_user(DBusCredentials *credentials, const DBusString *username)
Adds the credentials corresponding to the given username.
Definition: dbus-sysdeps-win.c:2063