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

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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 <ws2tcpip.h>
56 #include <wincrypt.h>
57 #include <iphlpapi.h>
58
59 /* Declarations missing in mingw's and windows sdk 7.0 headers */
60 extern BOOL WINAPI ConvertStringSidToSidA (LPCSTR StringSid, PSID *Sid);
61 extern BOOL WINAPI ConvertSidToStringSidA (PSID Sid, LPSTR *StringSid);
62
63 #include <stdio.h>
64 #include <stdlib.h>
65
66 #include <string.h>
67 #if HAVE_ERRNO_H
68 #include <errno.h>
69 #endif
70 #ifndef DBUS_WINCE
71 #include <mbstring.h>
72 #include <sys/stat.h>
73 #include <sys/types.h>
74 #endif
75
76 #ifdef HAVE_WS2TCPIP_H
77 /* getaddrinfo for Windows CE (and Windows). */
78 #include <ws2tcpip.h>
79 #endif
80
81 #ifndef O_BINARY
82 #define O_BINARY 0
83 #endif
84
85 #ifndef PROCESS_QUERY_LIMITED_INFORMATION
86 /* MinGW32 < 4 does not define this value in its headers */
87 #define PROCESS_QUERY_LIMITED_INFORMATION (0x1000)
88 #endif
89
90 typedef int socklen_t;
91
92
93 void
94 _dbus_win_set_errno (int err)
95 {
96 #ifdef DBUS_WINCE
97 SetLastError (err);
98 #else
99 errno = err;
100 #endif
101 }
102
103 static BOOL is_winxp_sp3_or_lower();
104
105 /*
106 * _MIB_TCPROW_EX and friends are not available in system headers
107 * and are mapped to attribute identical ...OWNER_PID typedefs.
108 */
109 typedef MIB_TCPROW_OWNER_PID _MIB_TCPROW_EX;
110 typedef MIB_TCPTABLE_OWNER_PID MIB_TCPTABLE_EX;
111 typedef PMIB_TCPTABLE_OWNER_PID PMIB_TCPTABLE_EX;
112 typedef DWORD (WINAPI *ProcAllocateAndGetTcpExtTableFromStack)(PMIB_TCPTABLE_EX*,BOOL,HANDLE,DWORD,DWORD);
113 static ProcAllocateAndGetTcpExtTableFromStack lpfnAllocateAndGetTcpExTableFromStack = NULL;
114
120 static BOOL
121 load_ex_ip_helper_procedures(void)
122 {
123 HMODULE hModule = LoadLibrary ("iphlpapi.dll");
124 if (hModule == NULL)
125 {
126 _dbus_verbose ("could not load iphlpapi.dll\n");
127 return FALSE;
128 }
129
130 lpfnAllocateAndGetTcpExTableFromStack = (ProcAllocateAndGetTcpExtTableFromStack)GetProcAddress (hModule, "AllocateAndGetTcpExTableFromStack");
131 if (lpfnAllocateAndGetTcpExTableFromStack == NULL)
132 {
133 _dbus_verbose ("could not find function AllocateAndGetTcpExTableFromStack in iphlpapi.dll\n");
134 return FALSE;
135 }
136 return TRUE;
137 }
138
145 static dbus_pid_t
146 get_pid_from_extended_tcp_table(int peer_port)
147 {
148 dbus_pid_t result;
149 DWORD errorCode, size = 0, i;
150 MIB_TCPTABLE_OWNER_PID *tcp_table;
151
152 if ((errorCode =
153 GetExtendedTcpTable (NULL, &size, TRUE, AF_INET, TCP_TABLE_OWNER_PID_ALL, 0)) == ERROR_INSUFFICIENT_BUFFER)
154 {
155 tcp_table = (MIB_TCPTABLE_OWNER_PID *) dbus_malloc (size);
156 if (tcp_table == NULL)
157 {
158 _dbus_verbose ("Error allocating memory\n");
159 return 0;
160 }
161 }
162 else
163 {
164 _dbus_win_warn_win_error ("unexpected error returned from GetExtendedTcpTable", errorCode);
165 return 0;
166 }
167
168 if ((errorCode = GetExtendedTcpTable (tcp_table, &size, TRUE, AF_INET, TCP_TABLE_OWNER_PID_ALL, 0)) != NO_ERROR)
169 {
170 _dbus_verbose ("Error fetching tcp table %d\n", (int)errorCode);
171 dbus_free (tcp_table);
172 return 0;
173 }
174
175 result = 0;
176 for (i = 0; i < tcp_table->dwNumEntries; i++)
177 {
178 MIB_TCPROW_OWNER_PID *p = &tcp_table->table[i];
179 int local_address = ntohl (p->dwLocalAddr);
180 int local_port = ntohs (p->dwLocalPort);
181 if (p->dwState == MIB_TCP_STATE_ESTAB
182 && local_address == INADDR_LOOPBACK && local_port == peer_port)
183 result = p->dwOwningPid;
184 }
185
186 dbus_free (tcp_table);
187 _dbus_verbose ("got pid %lu\n", result);
188 return result;
189 }
190
198 static dbus_pid_t
199 get_pid_from_tcp_ex_table(int peer_port)
200 {
201 dbus_pid_t result;
202 DWORD errorCode, i;
203 PMIB_TCPTABLE_EX tcp_table = NULL;
204
205 if (!load_ex_ip_helper_procedures ())
206 {
207 _dbus_verbose
208 ("Error not been able to load iphelper procedures\n");
209 return 0;
210 }
211
212 errorCode = lpfnAllocateAndGetTcpExTableFromStack (&tcp_table, TRUE, GetProcessHeap(), 0, 2);
213
214 if (errorCode != NO_ERROR)
215 {
216 _dbus_verbose
217 ("Error not been able to call AllocateAndGetTcpExTableFromStack()\n");
218 return 0;
219 }
220
221 result = 0;
222 for (i = 0; i < tcp_table->dwNumEntries; i++)
223 {
224 _MIB_TCPROW_EX *p = &tcp_table->table[i];
225 int local_port = ntohs (p->dwLocalPort);
226 int local_address = ntohl (p->dwLocalAddr);
227 if (local_address == INADDR_LOOPBACK && local_port == peer_port)
228 {
229 result = p->dwOwningPid;
230 break;
231 }
232 }
233
234 HeapFree (GetProcessHeap(), 0, tcp_table);
235 _dbus_verbose ("got pid %lu\n", result);
236 return result;
237 }
238
244 static dbus_pid_t
245 _dbus_get_peer_pid_from_tcp_handle (int handle)
246 {
247 struct sockaddr_storage addr;
248 socklen_t len = sizeof (addr);
249 int peer_port;
250
251 dbus_pid_t result;
252 dbus_bool_t is_localhost = FALSE;
253
254 getpeername (handle, (struct sockaddr *) &addr, &len);
255
256 if (addr.ss_family == AF_INET)
257 {
258 struct sockaddr_in *s = (struct sockaddr_in *) &addr;
259 peer_port = ntohs (s->sin_port);
260 is_localhost = (ntohl (s->sin_addr.s_addr) == INADDR_LOOPBACK);
261 }
262 else if (addr.ss_family == AF_INET6)
263 {
264 _dbus_verbose ("FIXME [61922]: IPV6 support not working on windows\n");
265 return 0;
266 /*
267 struct sockaddr_in6 *s = (struct sockaddr_in6 * )&addr;
268 peer_port = ntohs (s->sin6_port);
269 is_localhost = (memcmp(s->sin6_addr.s6_addr, in6addr_loopback.s6_addr, 16) == 0);
270 _dbus_verbose ("IPV6 %08x %08x\n", s->sin6_addr.s6_addr, in6addr_loopback.s6_addr);
271 */
272 }
273 else
274 {
275 _dbus_verbose ("no idea what address family %d is\n", addr.ss_family);
276 return 0;
277 }
278
279 if (!is_localhost)
280 {
281 _dbus_verbose ("could not fetch process id from remote process\n");
282 return 0;
283 }
284
285 if (peer_port == 0)
286 {
287 _dbus_verbose
288 ("Error not been able to fetch tcp peer port from connection\n");
289 return 0;
290 }
291
292 _dbus_verbose ("trying to get peers pid");
293
294 result = get_pid_from_extended_tcp_table (peer_port);
295 if (result > 0)
296 return result;
297 result = get_pid_from_tcp_ex_table (peer_port);
298 return result;
299 }
300
301 /* Convert GetLastError() to a dbus error. */
302 const char*
303 _dbus_win_error_from_last_error (void)
304 {
305 switch (GetLastError())
306 {
307 case 0:
308 return DBUS_ERROR_FAILED;
309
310 case ERROR_NO_MORE_FILES:
311 case ERROR_TOO_MANY_OPEN_FILES:
312 return DBUS_ERROR_LIMITS_EXCEEDED; /* kernel out of memory */
313
314 case ERROR_ACCESS_DENIED:
315 case ERROR_CANNOT_MAKE:
316 return DBUS_ERROR_ACCESS_DENIED;
317
318 case ERROR_NOT_ENOUGH_MEMORY:
319 return DBUS_ERROR_NO_MEMORY;
320
321 case ERROR_FILE_EXISTS:
322 return DBUS_ERROR_FILE_EXISTS;
323
324 case ERROR_FILE_NOT_FOUND:
325 case ERROR_PATH_NOT_FOUND:
326 return DBUS_ERROR_FILE_NOT_FOUND;
327 }
328
329 return DBUS_ERROR_FAILED;
330 }
331
332
333 char*
334 _dbus_win_error_string (int error_number)
335 {
336 char *msg;
337
338 FormatMessageA (FORMAT_MESSAGE_ALLOCATE_BUFFER |
339 FORMAT_MESSAGE_IGNORE_INSERTS |
340 FORMAT_MESSAGE_FROM_SYSTEM,
341 NULL, error_number, 0,
342 (LPSTR) &msg, 0, NULL);
343
344 if (msg[strlen (msg) - 1] == '\n')
345 msg[strlen (msg) - 1] = '\0';
346 if (msg[strlen (msg) - 1] == '\r')
347 msg[strlen (msg) - 1] = '\0';
348
349 return msg;
350 }
351
352 void
353 _dbus_win_free_error_string (char *string)
354 {
355 LocalFree (string);
356 }
357
378 int
379 _dbus_read_socket (int fd,
380 DBusString *buffer,
381 int count)
382 {
383 int bytes_read;
384 int start;
385 char *data;
386
387 _dbus_assert (count >= 0);
388
389 start = _dbus_string_get_length (buffer);
390
391 if (!_dbus_string_lengthen (buffer, count))
392 {
393 _dbus_win_set_errno (ENOMEM);
394 return -1;
395 }
396
397 data = _dbus_string_get_data_len (buffer, start, count);
398
399 again:
400
401 _dbus_verbose ("recv: count=%d fd=%d\n", count, fd);
402 bytes_read = recv (fd, data, count, 0);
403
404 if (bytes_read == SOCKET_ERROR)
405 {
406 DBUS_SOCKET_SET_ERRNO();
407 _dbus_verbose ("recv: failed: %s (%d)\n", _dbus_strerror (errno), errno);
408 bytes_read = -1;
409 }
410 else
411 _dbus_verbose ("recv: = %d\n", bytes_read);
412
413 if (bytes_read < 0)
414 {
415 if (errno == EINTR)
416 goto again;
417 else
418 {
419 /* put length back (note that this doesn't actually realloc anything) */
420 _dbus_string_set_length (buffer, start);
421 return -1;
422 }
423 }
424 else
425 {
426 /* put length back (doesn't actually realloc) */
427 _dbus_string_set_length (buffer, start + bytes_read);
428
429 #if 0
430 if (bytes_read > 0)
431 _dbus_verbose_bytes_of_string (buffer, start, bytes_read);
432 #endif
433
434 return bytes_read;
435 }
436 }
437
448 int
449 _dbus_write_socket (int fd,
450 const DBusString *buffer,
451 int start,
452 int len)
453 {
454 const char *data;
455 int bytes_written;
456
457 data = _dbus_string_get_const_data_len (buffer, start, len);
458
459 again:
460
461 _dbus_verbose ("send: len=%d fd=%d\n", len, fd);
462 bytes_written = send (fd, data, len, 0);
463
464 if (bytes_written == SOCKET_ERROR)
465 {
466 DBUS_SOCKET_SET_ERRNO();
467 _dbus_verbose ("send: failed: %s\n", _dbus_strerror_from_errno ());
468 bytes_written = -1;
469 }
470 else
471 _dbus_verbose ("send: = %d\n", bytes_written);
472
473 if (bytes_written < 0 && errno == EINTR)
474 goto again;
475
476 #if 0
477 if (bytes_written > 0)
478 _dbus_verbose_bytes_of_string (buffer, start, bytes_written);
479 #endif
480
481 return bytes_written;
482 }
483
484
492 dbus_bool_t
493 _dbus_close_socket (int fd,
494 DBusError *error)
495 {
496 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
497
498 again:
499 if (closesocket (fd) == SOCKET_ERROR)
500 {
501 DBUS_SOCKET_SET_ERRNO ();
502
503 if (errno == EINTR)
504 goto again;
505
506 dbus_set_error (error, _dbus_error_from_errno (errno),
507 "Could not close socket: socket=%d, , %s",
508 fd, _dbus_strerror_from_errno ());
509 return FALSE;
510 }
511 _dbus_verbose ("_dbus_close_socket: socket=%d, \n", fd);
512
513 return TRUE;
514 }
515
523 void
524 _dbus_fd_set_close_on_exec (intptr_t handle)
525 {
526 if ( !SetHandleInformation( (HANDLE) handle,
527 HANDLE_FLAG_INHERIT | HANDLE_FLAG_PROTECT_FROM_CLOSE,
528 0 /*disable both flags*/ ) )
529 {
530 _dbus_win_warn_win_error ("Disabling socket handle inheritance failed:", GetLastError());
531 }
532 }
533
541 dbus_bool_t
542 _dbus_set_fd_nonblocking (int handle,
543 DBusError *error)
544 {
545 u_long one = 1;
546
547 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
548
549 if (ioctlsocket (handle, FIONBIO, &one) == SOCKET_ERROR)
550 {
551 DBUS_SOCKET_SET_ERRNO ();
552 dbus_set_error (error, _dbus_error_from_errno (errno),
553 "Failed to set socket %d:%d to nonblocking: %s", handle,
554 _dbus_strerror_from_errno ());
555 return FALSE;
556 }
557
558 return TRUE;
559 }
560
561
582 int
583 _dbus_write_socket_two (int fd,
584 const DBusString *buffer1,
585 int start1,
586 int len1,
587 const DBusString *buffer2,
588 int start2,
589 int len2)
590 {
591 WSABUF vectors[2];
592 const char *data1;
593 const char *data2;
594 int rc;
595 DWORD bytes_written;
596
597 _dbus_assert (buffer1 != NULL);
598 _dbus_assert (start1 >= 0);
599 _dbus_assert (start2 >= 0);
600 _dbus_assert (len1 >= 0);
601 _dbus_assert (len2 >= 0);
602
603
604 data1 = _dbus_string_get_const_data_len (buffer1, start1, len1);
605
606 if (buffer2 != NULL)
607 data2 = _dbus_string_get_const_data_len (buffer2, start2, len2);
608 else
609 {
610 data2 = NULL;
611 start2 = 0;
612 len2 = 0;
613 }
614
615 vectors[0].buf = (char*) data1;
616 vectors[0].len = len1;
617 vectors[1].buf = (char*) data2;
618 vectors[1].len = len2;
619
620 again:
621
622 _dbus_verbose ("WSASend: len1+2=%d+%d fd=%d\n", len1, len2, fd);
623 rc = WSASend (fd,
624 vectors,
625 data2 ? 2 : 1,
626 &bytes_written,
627 0,
628 NULL,
629 NULL);
630
631 if (rc == SOCKET_ERROR)
632 {
633 DBUS_SOCKET_SET_ERRNO ();
634 _dbus_verbose ("WSASend: failed: %s\n", _dbus_strerror_from_errno ());
635 bytes_written = -1;
636 }
637 else
638 _dbus_verbose ("WSASend: = %ld\n", bytes_written);
639
640 if (bytes_written < 0 && errno == EINTR)
641 goto again;
642
643 return bytes_written;
644 }
645
646 dbus_bool_t
647 _dbus_socket_is_invalid (int fd)
648 {
649 return fd == INVALID_SOCKET ? TRUE : FALSE;
650 }
651
652 #if 0
653
662 int
663 _dbus_connect_named_pipe (const char *path,
664 DBusError *error)
665 {
666 _dbus_assert_not_reached ("not implemented");
667 }
668
669 #endif
670
674 dbus_bool_t
675 _dbus_win_startup_winsock (void)
676 {
677 /* Straight from MSDN, deuglified */
678
679 /* Protected by _DBUS_LOCK_sysdeps */
680 static dbus_bool_t beenhere = FALSE;
681
682 WORD wVersionRequested;
683 WSADATA wsaData;
684 int err;
685
686 if (!_DBUS_LOCK (sysdeps))
687 return FALSE;
688
689 if (beenhere)
690 goto out;
691
692 wVersionRequested = MAKEWORD (2, 0);
693
694 err = WSAStartup (wVersionRequested, &wsaData);
695 if (err != 0)
696 {
697 _dbus_assert_not_reached ("Could not initialize WinSock");
698 _dbus_abort ();
699 }
700
701 /* Confirm that the WinSock DLL supports 2.0. Note that if the DLL
702 * supports versions greater than 2.0 in addition to 2.0, it will
703 * still return 2.0 in wVersion since that is the version we
704 * requested.
705 */
706 if (LOBYTE (wsaData.wVersion) != 2 ||
707 HIBYTE (wsaData.wVersion) != 0)
708 {
709 _dbus_assert_not_reached ("No usable WinSock found");
710 _dbus_abort ();
711 }
712
713 beenhere = TRUE;
714
715 out:
716 _DBUS_UNLOCK (sysdeps);
717 return TRUE;
718 }
719
720
721
722
723
724
725
726
727
728 /************************************************************************
729
730 UTF / string code
731
732 ************************************************************************/
733
737 int _dbus_printf_string_upper_bound (const char *format,
738 va_list args)
739 {
740 /* MSVCRT's vsnprintf semantics are a bit different */
741 char buf[1024];
742 int bufsize;
743 int len;
744 va_list args_copy;
745
746 bufsize = sizeof (buf);
747 DBUS_VA_COPY (args_copy, args);
748 len = _vsnprintf (buf, bufsize - 1, format, args_copy);
749 va_end (args_copy);
750
751 while (len == -1) /* try again */
752 {
753 char *p;
754
755 bufsize *= 2;
756
757 p = malloc (bufsize);
758
759 if (p == NULL)
760 return -1;
761
762 DBUS_VA_COPY (args_copy, args);
763 len = _vsnprintf (p, bufsize - 1, format, args_copy);
764 va_end (args_copy);
765 free (p);
766 }
767
768 return len;
769 }
770
771
779 wchar_t *
780 _dbus_win_utf8_to_utf16 (const char *str,
781 DBusError *error)
782 {
783 DBusString s;
784 int n;
785 wchar_t *retval;
786
787 _dbus_string_init_const (&s, str);
788
789 if (!_dbus_string_validate_utf8 (&s, 0, _dbus_string_get_length (&s)))
790 {
791 dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid UTF-8");
792 return NULL;
793 }
794
795 n = MultiByteToWideChar (CP_UTF8, 0, str, -1, NULL, 0);
796
797 if (n == 0)
798 {
799 _dbus_win_set_error_from_win_error (error, GetLastError ());
800 return NULL;
801 }
802
803 retval = dbus_new (wchar_t, n);
804
805 if (!retval)
806 {
807 _DBUS_SET_OOM (error);
808 return NULL;
809 }
810
811 if (MultiByteToWideChar (CP_UTF8, 0, str, -1, retval, n) != n)
812 {
813 dbus_free (retval);
814 dbus_set_error_const (error, DBUS_ERROR_FAILED, "MultiByteToWideChar inconsistency");
815 return NULL;
816 }
817
818 return retval;
819 }
820
828 char *
829 _dbus_win_utf16_to_utf8 (const wchar_t *str,
830 DBusError *error)
831 {
832 int n;
833 char *retval;
834
835 n = WideCharToMultiByte (CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL);
836
837 if (n == 0)
838 {
839 _dbus_win_set_error_from_win_error (error, GetLastError ());
840 return NULL;
841 }
842
843 retval = dbus_malloc (n);
844
845 if (!retval)
846 {
847 _DBUS_SET_OOM (error);
848 return NULL;
849 }
850
851 if (WideCharToMultiByte (CP_UTF8, 0, str, -1, retval, n, NULL, NULL) != n)
852 {
853 dbus_free (retval);
854 dbus_set_error_const (error, DBUS_ERROR_FAILED, "WideCharToMultiByte inconsistency");
855 return NULL;
856 }
857
858 return retval;
859 }
860
861
862
863
864
865
866 /************************************************************************
867
868
869 ************************************************************************/
870
871 dbus_bool_t
872 _dbus_win_account_to_sid (const wchar_t *waccount,
873 void **ppsid,
874 DBusError *error)
875 {
876 dbus_bool_t retval = FALSE;
877 DWORD sid_length, wdomain_length;
878 SID_NAME_USE use;
879 wchar_t *wdomain;
880
881 *ppsid = NULL;
882
883 sid_length = 0;
884 wdomain_length = 0;
885 if (!LookupAccountNameW (NULL, waccount, NULL, &sid_length,
886 NULL, &wdomain_length, &use) &&
887 GetLastError () != ERROR_INSUFFICIENT_BUFFER)
888 {
889 _dbus_win_set_error_from_win_error (error, GetLastError ());
890 return FALSE;
891 }
892
893 *ppsid = dbus_malloc (sid_length);
894 if (!*ppsid)
895 {
896 _DBUS_SET_OOM (error);
897 return FALSE;
898 }
899
900 wdomain = dbus_new (wchar_t, wdomain_length);
901 if (!wdomain)
902 {
903 _DBUS_SET_OOM (error);
904 goto out1;
905 }
906
907 if (!LookupAccountNameW (NULL, waccount, (PSID) *ppsid, &sid_length,
908 wdomain, &wdomain_length, &use))
909 {
910 _dbus_win_set_error_from_win_error (error, GetLastError ());
911 goto out2;
912 }
913
914 if (!IsValidSid ((PSID) *ppsid))
915 {
916 dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid SID");
917 goto out2;
918 }
919
920 retval = TRUE;
921
922 out2:
923 dbus_free (wdomain);
924 out1:
925 if (!retval)
926 {
927 dbus_free (*ppsid);
928 *ppsid = NULL;
929 }
930
931 return retval;
932 }
933
943 unsigned long
944 _dbus_pid_for_log (void)
945 {
946 return _dbus_getpid ();
947 }
948
949 #ifndef DBUS_WINCE
950
951 static BOOL is_winxp_sp3_or_lower()
952 {
953 OSVERSIONINFOEX osvi;
954 DWORDLONG dwlConditionMask = 0;
955 int op=VER_LESS_EQUAL;
956
957 // Initialize the OSVERSIONINFOEX structure.
958
959 ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
960 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
961 osvi.dwMajorVersion = 5;
962 osvi.dwMinorVersion = 1;
963 osvi.wServicePackMajor = 3;
964 osvi.wServicePackMinor = 0;
965
966 // Initialize the condition mask.
967
968 VER_SET_CONDITION( dwlConditionMask, VER_MAJORVERSION, op );
969 VER_SET_CONDITION( dwlConditionMask, VER_MINORVERSION, op );
970 VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMAJOR, op );
971 VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMINOR, op );
972
973 // Perform the test.
974
975 return VerifyVersionInfo(
976 &osvi,
977 VER_MAJORVERSION | VER_MINORVERSION |
978 VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
979 dwlConditionMask);
980 }
981
987 static dbus_bool_t
988 _dbus_getsid(char **sid, dbus_pid_t process_id)
989 {
990 HANDLE process_token = INVALID_HANDLE_VALUE;
991 TOKEN_USER *token_user = NULL;
992 DWORD n;
993 PSID psid;
994 int retval = FALSE;
995
996 HANDLE process_handle = OpenProcess(is_winxp_sp3_or_lower() ? PROCESS_QUERY_INFORMATION : PROCESS_QUERY_LIMITED_INFORMATION, FALSE, process_id);
997
998 if (!OpenProcessToken (process_handle, TOKEN_QUERY, &process_token))
999 {
1000 _dbus_win_warn_win_error ("OpenProcessToken failed", GetLastError ());
1001 goto failed;
1002 }
1003 if ((!GetTokenInformation (process_token, TokenUser, NULL, 0, &n)
1004 && GetLastError () != ERROR_INSUFFICIENT_BUFFER)
1005 || (token_user = alloca (n)) == NULL
1006 || !GetTokenInformation (process_token, TokenUser, token_user, n, &n))
1007 {
1008 _dbus_win_warn_win_error ("GetTokenInformation failed", GetLastError ());
1009 goto failed;
1010 }
1011 psid = token_user->User.Sid;
1012 if (!IsValidSid (psid))
1013 {
1014 _dbus_verbose("%s invalid sid\n",__FUNCTION__);
1015 goto failed;
1016 }
1017 if (!ConvertSidToStringSidA (psid, sid))
1018 {
1019 _dbus_verbose("%s invalid sid\n",__FUNCTION__);
1020 goto failed;
1021 }
1022 //okay:
1023 retval = TRUE;
1024
1025 failed:
1026 CloseHandle (process_handle);
1027 if (process_token != INVALID_HANDLE_VALUE)
1028 CloseHandle (process_token);
1029
1030 _dbus_verbose("_dbus_getsid() got '%s' and returns %d\n", *sid, retval);
1031 return retval;
1032 }
1033 #endif
1034
1035 /************************************************************************
1036
1037 pipes
1038
1039 ************************************************************************/
1040
1051 dbus_bool_t
1052 _dbus_full_duplex_pipe (int *fd1,
1053 int *fd2,
1054 dbus_bool_t blocking,
1055 DBusError *error)
1056 {
1057 SOCKET temp, socket1 = -1, socket2 = -1;
1058 struct sockaddr_in saddr;
1059 int len;
1060 u_long arg;
1061
1062 if (!_dbus_win_startup_winsock ())
1063 {
1064 _DBUS_SET_OOM (error);
1065 return FALSE;
1066 }
1067
1068 temp = socket (AF_INET, SOCK_STREAM, 0);
1069 if (temp == INVALID_SOCKET)
1070 {
1071 DBUS_SOCKET_SET_ERRNO ();
1072 goto out0;
1073 }
1074
1075 _DBUS_ZERO (saddr);
1076 saddr.sin_family = AF_INET;
1077 saddr.sin_port = 0;
1078 saddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
1079
1080 if (bind (temp, (struct sockaddr *)&saddr, sizeof (saddr)) == SOCKET_ERROR)
1081 {
1082 DBUS_SOCKET_SET_ERRNO ();
1083 goto out0;
1084 }
1085
1086 if (listen (temp, 1) == SOCKET_ERROR)
1087 {
1088 DBUS_SOCKET_SET_ERRNO ();
1089 goto out0;
1090 }
1091
1092 len = sizeof (saddr);
1093 if (getsockname (temp, (struct sockaddr *)&saddr, &len) == SOCKET_ERROR)
1094 {
1095 DBUS_SOCKET_SET_ERRNO ();
1096 goto out0;
1097 }
1098
1099 socket1 = socket (AF_INET, SOCK_STREAM, 0);
1100 if (socket1 == INVALID_SOCKET)
1101 {
1102 DBUS_SOCKET_SET_ERRNO ();
1103 goto out0;
1104 }
1105
1106 if (connect (socket1, (struct sockaddr *)&saddr, len) == SOCKET_ERROR)
1107 {
1108 DBUS_SOCKET_SET_ERRNO ();
1109 goto out1;
1110 }
1111
1112 socket2 = accept (temp, (struct sockaddr *) &saddr, &len);
1113 if (socket2 == INVALID_SOCKET)
1114 {
1115 DBUS_SOCKET_SET_ERRNO ();
1116 goto out1;
1117 }
1118
1119 if (!blocking)
1120 {
1121 arg = 1;
1122 if (ioctlsocket (socket1, FIONBIO, &arg) == SOCKET_ERROR)
1123 {
1124 DBUS_SOCKET_SET_ERRNO ();
1125 goto out2;
1126 }
1127
1128 arg = 1;
1129 if (ioctlsocket (socket2, FIONBIO, &arg) == SOCKET_ERROR)
1130 {
1131 DBUS_SOCKET_SET_ERRNO ();
1132 goto out2;
1133 }
1134 }
1135
1136 *fd1 = socket1;
1137 *fd2 = socket2;
1138
1139 _dbus_verbose ("full-duplex pipe %d:%d <-> %d:%d\n",
1140 *fd1, socket1, *fd2, socket2);
1141
1142 closesocket (temp);
1143
1144 return TRUE;
1145
1146 out2:
1147 closesocket (socket2);
1148 out1:
1149 closesocket (socket1);
1150 out0:
1151 closesocket (temp);
1152
1153 dbus_set_error (error, _dbus_error_from_errno (errno),
1154 "Could not setup socket pair: %s",
1155 _dbus_strerror_from_errno ());
1156
1157 return FALSE;
1158 }
1159
1168 int
1169 _dbus_poll (DBusPollFD *fds,
1170 int n_fds,
1171 int timeout_milliseconds)
1172 {
1173 #define USE_CHRIS_IMPL 0
1174
1175 #if USE_CHRIS_IMPL
1176
1177 #define DBUS_POLL_CHAR_BUFFER_SIZE 2000
1178 char msg[DBUS_POLL_CHAR_BUFFER_SIZE];
1179 char *msgp;
1180
1181 int ret = 0;
1182 int i;
1183 struct timeval tv;
1184 int ready;
1185
1186 #define DBUS_STACK_WSAEVENTS 256
1187 WSAEVENT eventsOnStack[DBUS_STACK_WSAEVENTS];
1188 WSAEVENT *pEvents = NULL;
1189 if (n_fds > DBUS_STACK_WSAEVENTS)
1190 pEvents = calloc(sizeof(WSAEVENT), n_fds);
1191 else
1192 pEvents = eventsOnStack;
1193
1194
1195 #ifdef DBUS_ENABLE_VERBOSE_MODE
1196 msgp = msg;
1197 msgp += sprintf (msgp, "WSAEventSelect: to=%d\n\t", timeout_milliseconds);
1198 for (i = 0; i < n_fds; i++)
1199 {
1200 DBusPollFD *fdp = &fds[i];
1201
1202
1203 if (fdp->events & _DBUS_POLLIN)
1204 msgp += sprintf (msgp, "R:%d ", fdp->fd);
1205
1206 if (fdp->events & _DBUS_POLLOUT)
1207 msgp += sprintf (msgp, "W:%d ", fdp->fd);
1208
1209 msgp += sprintf (msgp, "E:%d\n\t", fdp->fd);
1210
1211 // FIXME: more robust code for long msg
1212 // create on heap when msg[] becomes too small
1213 if (msgp >= msg + DBUS_POLL_CHAR_BUFFER_SIZE)
1214 {
1215 _dbus_assert_not_reached ("buffer overflow in _dbus_poll");
1216 }
1217 }
1218
1219 msgp += sprintf (msgp, "\n");
1220 _dbus_verbose ("%s",msg);
1221 #endif
1222 for (i = 0; i < n_fds; i++)
1223 {
1224 DBusPollFD *fdp = &fds[i];
1225 WSAEVENT ev;
1226 long lNetworkEvents = FD_OOB;
1227
1228 ev = WSACreateEvent();
1229
1230 if (fdp->events & _DBUS_POLLIN)
1231 lNetworkEvents |= FD_READ | FD_ACCEPT | FD_CLOSE;
1232
1233 if (fdp->events & _DBUS_POLLOUT)
1234 lNetworkEvents |= FD_WRITE | FD_CONNECT;
1235
1236 WSAEventSelect(fdp->fd, ev, lNetworkEvents);
1237
1238 pEvents[i] = ev;
1239 }
1240
1241
1242 ready = WSAWaitForMultipleEvents (n_fds, pEvents, FALSE, timeout_milliseconds, FALSE);
1243
1244 if (DBUS_SOCKET_API_RETURNS_ERROR (ready))
1245 {
1246 DBUS_SOCKET_SET_ERRNO ();
1247 if (errno != WSAEWOULDBLOCK)
1248 _dbus_verbose ("WSAWaitForMultipleEvents: failed: %s\n", _dbus_strerror_from_errno ());
1249 ret = -1;
1250 }
1251 else if (ready == WSA_WAIT_TIMEOUT)
1252 {
1253 _dbus_verbose ("WSAWaitForMultipleEvents: WSA_WAIT_TIMEOUT\n");
1254 ret = 0;
1255 }
1256 else if (ready >= WSA_WAIT_EVENT_0 && ready < (int)(WSA_WAIT_EVENT_0 + n_fds))
1257 {
1258 msgp = msg;
1259 msgp += sprintf (msgp, "WSAWaitForMultipleEvents: =%d\n\t", ready);
1260
1261 for (i = 0; i < n_fds; i++)
1262 {
1263 DBusPollFD *fdp = &fds[i];
1264 WSANETWORKEVENTS ne;
1265
1266 fdp->revents = 0;
1267
1268 WSAEnumNetworkEvents(fdp->fd, pEvents[i], &ne);
1269
1270 if (ne.lNetworkEvents & (FD_READ | FD_ACCEPT | FD_CLOSE))
1271 fdp->revents |= _DBUS_POLLIN;
1272
1273 if (ne.lNetworkEvents & (FD_WRITE | FD_CONNECT))
1274 fdp->revents |= _DBUS_POLLOUT;
1275
1276 if (ne.lNetworkEvents & (FD_OOB))
1277 fdp->revents |= _DBUS_POLLERR;
1278
1279 if (ne.lNetworkEvents & (FD_READ | FD_ACCEPT | FD_CLOSE))
1280 msgp += sprintf (msgp, "R:%d ", fdp->fd);
1281
1282 if (ne.lNetworkEvents & (FD_WRITE | FD_CONNECT))
1283 msgp += sprintf (msgp, "W:%d ", fdp->fd);
1284
1285 if (ne.lNetworkEvents & (FD_OOB))
1286 msgp += sprintf (msgp, "E:%d ", fdp->fd);
1287
1288 msgp += sprintf (msgp, "lNetworkEvents:%d ", ne.lNetworkEvents);
1289
1290 if(ne.lNetworkEvents)
1291 ret++;
1292
1293 WSAEventSelect(fdp->fd, pEvents[i], 0);
1294 }
1295
1296 msgp += sprintf (msgp, "\n");
1297 _dbus_verbose ("%s",msg);
1298 }
1299 else
1300 {
1301 _dbus_verbose ("WSAWaitForMultipleEvents: failed for unknown reason!");
1302 ret = -1;
1303 }
1304
1305 for(i = 0; i < n_fds; i++)
1306 {
1307 WSACloseEvent(pEvents[i]);
1308 }
1309
1310 if (n_fds > DBUS_STACK_WSAEVENTS)
1311 free(pEvents);
1312
1313 return ret;
1314
1315 #else /* USE_CHRIS_IMPL */
1316
1317 #define DBUS_POLL_CHAR_BUFFER_SIZE 2000
1318 char msg[DBUS_POLL_CHAR_BUFFER_SIZE];
1319 char *msgp;
1320
1321 fd_set read_set, write_set, err_set;
1322 int max_fd = 0;
1323 int i;
1324 struct timeval tv;
1325 int ready;
1326
1327 FD_ZERO (&read_set);
1328 FD_ZERO (&write_set);
1329 FD_ZERO (&err_set);
1330
1331
1332 #ifdef DBUS_ENABLE_VERBOSE_MODE
1333 msgp = msg;
1334 msgp += sprintf (msgp, "select: to=%d\n\t", timeout_milliseconds);
1335 for (i = 0; i < n_fds; i++)
1336 {
1337 DBusPollFD *fdp = &fds[i];
1338
1339
1340 if (fdp->events & _DBUS_POLLIN)
1341 msgp += sprintf (msgp, "R:%d ", fdp->fd);
1342
1343 if (fdp->events & _DBUS_POLLOUT)
1344 msgp += sprintf (msgp, "W:%d ", fdp->fd);
1345
1346 msgp += sprintf (msgp, "E:%d\n\t", fdp->fd);
1347
1348 // FIXME: more robust code for long msg
1349 // create on heap when msg[] becomes too small
1350 if (msgp >= msg + DBUS_POLL_CHAR_BUFFER_SIZE)
1351 {
1352 _dbus_assert_not_reached ("buffer overflow in _dbus_poll");
1353 }
1354 }
1355
1356 msgp += sprintf (msgp, "\n");
1357 _dbus_verbose ("%s",msg);
1358 #endif
1359 for (i = 0; i < n_fds; i++)
1360 {
1361 DBusPollFD *fdp = &fds[i];
1362
1363 if (fdp->events & _DBUS_POLLIN)
1364 FD_SET (fdp->fd, &read_set);
1365
1366 if (fdp->events & _DBUS_POLLOUT)
1367 FD_SET (fdp->fd, &write_set);
1368
1369 FD_SET (fdp->fd, &err_set);
1370
1371 max_fd = MAX (max_fd, fdp->fd);
1372 }
1373
1374 // Avoid random lockups with send(), for lack of a better solution so far
1375 tv.tv_sec = timeout_milliseconds < 0 ? 1 : timeout_milliseconds / 1000;
1376 tv.tv_usec = timeout_milliseconds < 0 ? 0 : (timeout_milliseconds % 1000) * 1000;
1377
1378 ready = select (max_fd + 1, &read_set, &write_set, &err_set, &tv);
1379
1380 if (DBUS_SOCKET_API_RETURNS_ERROR (ready))
1381 {
1382 DBUS_SOCKET_SET_ERRNO ();
1383 if (errno != WSAEWOULDBLOCK)
1384 _dbus_verbose ("select: failed: %s\n", _dbus_strerror_from_errno ());
1385 }
1386 else if (ready == 0)
1387 _dbus_verbose ("select: = 0\n");
1388 else
1389 if (ready > 0)
1390 {
1391 #ifdef DBUS_ENABLE_VERBOSE_MODE
1392 msgp = msg;
1393 msgp += sprintf (msgp, "select: = %d:\n\t", ready);
1394
1395 for (i = 0; i < n_fds; i++)
1396 {
1397 DBusPollFD *fdp = &fds[i];
1398
1399 if (FD_ISSET (fdp->fd, &read_set))
1400 msgp += sprintf (msgp, "R:%d ", fdp->fd);
1401
1402 if (FD_ISSET (fdp->fd, &write_set))
1403 msgp += sprintf (msgp, "W:%d ", fdp->fd);
1404
1405 if (FD_ISSET (fdp->fd, &err_set))
1406 msgp += sprintf (msgp, "E:%d\n\t", fdp->fd);
1407 }
1408 msgp += sprintf (msgp, "\n");
1409 _dbus_verbose ("%s",msg);
1410 #endif
1411
1412 for (i = 0; i < n_fds; i++)
1413 {
1414 DBusPollFD *fdp = &fds[i];
1415
1416 fdp->revents = 0;
1417
1418 if (FD_ISSET (fdp->fd, &read_set))
1419 fdp->revents |= _DBUS_POLLIN;
1420
1421 if (FD_ISSET (fdp->fd, &write_set))
1422 fdp->revents |= _DBUS_POLLOUT;
1423
1424 if (FD_ISSET (fdp->fd, &err_set))
1425 fdp->revents |= _DBUS_POLLERR;
1426 }
1427 }
1428 return ready;
1429 #endif /* USE_CHRIS_IMPL */
1430 }
1431
1432
1433
1434
1435 /******************************************************************************
1436
1437 Original CVS version of dbus-sysdeps.c
1438
1439 ******************************************************************************/
1440 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
1441 /* dbus-sysdeps.c Wrappers around system/libc features (internal to D-Bus implementation)
1442 *
1443 * Copyright (C) 2002, 2003 Red Hat, Inc.
1444 * Copyright (C) 2003 CodeFactory AB
1445 * Copyright (C) 2005 Novell, Inc.
1446 *
1447 * Licensed under the Academic Free License version 2.1
1448 *
1449 * This program is free software; you can redistribute it and/or modify
1450 * it under the terms of the GNU General Public License as published by
1451 * the Free Software Foundation; either version 2 of the License, or
1452 * (at your option) any later version.
1453 *
1454 * This program is distributed in the hope that it will be useful,
1455 * but WITHOUT ANY WARRANTY; without even the implied warranty of
1456 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1457 * GNU General Public License for more details.
1458 *
1459 * You should have received a copy of the GNU General Public License
1460 * along with this program; if not, write to the Free Software
1461 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
1462 *
1463 */
1464
1465
1471 void
1472 _dbus_exit (int code)
1473 {
1474 _exit (code);
1475 }
1476
1488 int
1489 _dbus_connect_tcp_socket (const char *host,
1490 const char *port,
1491 const char *family,
1492 DBusError *error)
1493 {
1494 return _dbus_connect_tcp_socket_with_nonce (host, port, family, (const char*)NULL, error);
1495 }
1496
1497 int
1498 _dbus_connect_tcp_socket_with_nonce (const char *host,
1499 const char *port,
1500 const char *family,
1501 const char *noncefile,
1502 DBusError *error)
1503 {
1504 int fd = -1, res;
1505 struct addrinfo hints;
1506 struct addrinfo *ai, *tmp;
1507
1508 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
1509
1510 if (!_dbus_win_startup_winsock ())
1511 {
1512 _DBUS_SET_OOM (error);
1513 return -1;
1514 }
1515
1516 _DBUS_ZERO (hints);
1517
1518 if (!family)
1519 hints.ai_family = AF_UNSPEC;
1520 else if (!strcmp(family, "ipv4"))
1521 hints.ai_family = AF_INET;
1522 else if (!strcmp(family, "ipv6"))
1523 hints.ai_family = AF_INET6;
1524 else
1525 {
1526 dbus_set_error (error,
1527 DBUS_ERROR_INVALID_ARGS,
1528 "Unknown address family %s", family);
1529 return -1;
1530 }
1531 hints.ai_protocol = IPPROTO_TCP;
1532 hints.ai_socktype = SOCK_STREAM;
1533 #ifdef AI_ADDRCONFIG
1534 hints.ai_flags = AI_ADDRCONFIG;
1535 #else
1536 hints.ai_flags = 0;
1537 #endif
1538
1539 if ((res = getaddrinfo(host, port, &hints, &ai)) != 0 || !ai)
1540 {
1541 dbus_set_error (error,
1542 _dbus_error_from_errno (res),
1543 "Failed to lookup host/port: \"%s:%s\": %s (%d)",
1544 host, port, _dbus_strerror(res), res);
1545 return -1;
1546 }
1547
1548 tmp = ai;
1549 while (tmp)
1550 {
1551 if ((fd = socket (tmp->ai_family, SOCK_STREAM, 0)) == INVALID_SOCKET)
1552 {
1553 DBUS_SOCKET_SET_ERRNO ();
1554 dbus_set_error (error,
1555 _dbus_error_from_errno (errno),
1556 "Failed to open socket: %s",
1557 _dbus_strerror_from_errno ());
1558 freeaddrinfo(ai);
1559 return -1;
1560 }
1561 _DBUS_ASSERT_ERROR_IS_CLEAR(error);
1562
1563 if (connect (fd, (struct sockaddr*) tmp->ai_addr, tmp->ai_addrlen) == SOCKET_ERROR)
1564 {
1565 DBUS_SOCKET_SET_ERRNO ();
1566 closesocket(fd);
1567 fd = -1;
1568 tmp = tmp->ai_next;
1569 continue;
1570 }
1571
1572 break;
1573 }
1574 freeaddrinfo(ai);
1575
1576 if (fd == -1)
1577 {
1578 dbus_set_error (error,
1579 _dbus_error_from_errno (errno),
1580 "Failed to connect to socket \"%s:%s\" %s",
1581 host, port, _dbus_strerror_from_errno ());
1582 return -1;
1583 }
1584
1585 if (noncefile != NULL)
1586 {
1587 DBusString noncefileStr;
1588 dbus_bool_t ret;
1589 if (!_dbus_string_init (&noncefileStr) ||
1590 !_dbus_string_append(&noncefileStr, noncefile))
1591 {
1592 closesocket (fd);
1593 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
1594 return -1;
1595 }
1596
1597 ret = _dbus_send_nonce (fd, &noncefileStr, error);
1598
1599 _dbus_string_free (&noncefileStr);
1600
1601 if (!ret)
1602 {
1603 closesocket (fd);
1604 return -1;
1605 }
1606 }
1607
1608 _dbus_fd_set_close_on_exec (fd);
1609
1610 if (!_dbus_set_fd_nonblocking (fd, error))
1611 {
1612 closesocket (fd);
1613 return -1;
1614 }
1615
1616 return fd;
1617 }
1618
1634 int
1635 _dbus_listen_tcp_socket (const char *host,
1636 const char *port,
1637 const char *family,
1638 DBusString *retport,
1639 int **fds_p,
1640 DBusError *error)
1641 {
1642 int nlisten_fd = 0, *listen_fd = NULL, res, i, port_num = -1;
1643 struct addrinfo hints;
1644 struct addrinfo *ai, *tmp;
1645
1646 // On Vista, sockaddr_gen must be a sockaddr_in6, and not a sockaddr_in6_old
1647 //That's required for family == IPv6(which is the default on Vista if family is not given)
1648 //So we use our own union instead of sockaddr_gen:
1649
1650 typedef union {
1651 struct sockaddr Address;
1652 struct sockaddr_in AddressIn;
1653 struct sockaddr_in6 AddressIn6;
1654 } mysockaddr_gen;
1655
1656 *fds_p = NULL;
1657 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
1658
1659 if (!_dbus_win_startup_winsock ())
1660 {
1661 _DBUS_SET_OOM (error);
1662 return -1;
1663 }
1664
1665 _DBUS_ZERO (hints);
1666
1667 if (!family)
1668 hints.ai_family = AF_UNSPEC;
1669 else if (!strcmp(family, "ipv4"))
1670 hints.ai_family = AF_INET;
1671 else if (!strcmp(family, "ipv6"))
1672 hints.ai_family = AF_INET6;
1673 else
1674 {
1675 dbus_set_error (error,
1676 DBUS_ERROR_INVALID_ARGS,
1677 "Unknown address family %s", family);
1678 return -1;
1679 }
1680
1681 hints.ai_protocol = IPPROTO_TCP;
1682 hints.ai_socktype = SOCK_STREAM;
1683 #ifdef AI_ADDRCONFIG
1684 hints.ai_flags = AI_ADDRCONFIG | AI_PASSIVE;
1685 #else
1686 hints.ai_flags = AI_PASSIVE;
1687 #endif
1688
1689 redo_lookup_with_port:
1690 if ((res = getaddrinfo(host, port, &hints, &ai)) != 0 || !ai)
1691 {
1692 dbus_set_error (error,
1693 _dbus_error_from_errno (res),
1694 "Failed to lookup host/port: \"%s:%s\": %s (%d)",
1695 host ? host : "*", port, _dbus_strerror(res), res);
1696 return -1;
1697 }
1698
1699 tmp = ai;
1700 while (tmp)
1701 {
1702 int fd = -1, *newlisten_fd;
1703 if ((fd = socket (tmp->ai_family, SOCK_STREAM, 0)) == INVALID_SOCKET)
1704 {
1705 DBUS_SOCKET_SET_ERRNO ();
1706 dbus_set_error (error,
1707 _dbus_error_from_errno (errno),
1708 "Failed to open socket: %s",
1709 _dbus_strerror_from_errno ());
1710 goto failed;
1711 }
1712 _DBUS_ASSERT_ERROR_IS_CLEAR(error);
1713
1714 if (bind (fd, (struct sockaddr*) tmp->ai_addr, tmp->ai_addrlen) == SOCKET_ERROR)
1715 {
1716 DBUS_SOCKET_SET_ERRNO ();
1717 dbus_set_error (error, _dbus_error_from_errno (errno),
1718 "Failed to bind socket \"%s:%s\": %s",
1719 host ? host : "*", port, _dbus_strerror_from_errno ());
1720 closesocket (fd);
1721 goto failed;
1722 }
1723
1724 if (listen (fd, 30 /* backlog */) == SOCKET_ERROR)
1725 {
1726 DBUS_SOCKET_SET_ERRNO ();
1727 dbus_set_error (error, _dbus_error_from_errno (errno),
1728 "Failed to listen on socket \"%s:%s\": %s",
1729 host ? host : "*", port, _dbus_strerror_from_errno ());
1730 closesocket (fd);
1731 goto failed;
1732 }
1733
1734 newlisten_fd = dbus_realloc(listen_fd, sizeof(int)*(nlisten_fd+1));
1735 if (!newlisten_fd)
1736 {
1737 closesocket (fd);
1738 dbus_set_error (error, DBUS_ERROR_NO_MEMORY,
1739 "Failed to allocate file handle array");
1740 goto failed;
1741 }
1742 listen_fd = newlisten_fd;
1743 listen_fd[nlisten_fd] = fd;
1744 nlisten_fd++;
1745
1746 if (!_dbus_string_get_length(retport))
1747 {
1748 /* If the user didn't specify a port, or used 0, then
1749 the kernel chooses a port. After the first address
1750 is bound to, we need to force all remaining addresses
1751 to use the same port */
1752 if (!port || !strcmp(port, "0"))
1753 {
1754 mysockaddr_gen addr;
1755 socklen_t addrlen = sizeof(addr);
1756 char portbuf[10];
1757
1758 if (getsockname(fd, &addr.Address, &addrlen) == SOCKET_ERROR)
1759 {
1760 DBUS_SOCKET_SET_ERRNO ();
1761 dbus_set_error (error, _dbus_error_from_errno (errno),
1762 "Failed to resolve port \"%s:%s\": %s",
1763 host ? host : "*", port, _dbus_strerror_from_errno());
1764 goto failed;
1765 }
1766 snprintf( portbuf, sizeof( portbuf ) - 1, "%d", addr.AddressIn.sin_port );
1767 if (!_dbus_string_append(retport, portbuf))
1768 {
1769 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
1770 goto failed;
1771 }
1772
1773 /* Release current address list & redo lookup */
1774 port = _dbus_string_get_const_data(retport);
1775 freeaddrinfo(ai);
1776 goto redo_lookup_with_port;
1777 }
1778 else
1779 {
1780 if (!_dbus_string_append(retport, port))
1781 {
1782 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
1783 goto failed;
1784 }
1785 }
1786 }
1787
1788 tmp = tmp->ai_next;
1789 }
1790 freeaddrinfo(ai);
1791 ai = NULL;
1792
1793 if (!nlisten_fd)
1794 {
1795 _dbus_win_set_errno (WSAEADDRINUSE);
1796 dbus_set_error (error, _dbus_error_from_errno (errno),
1797 "Failed to bind socket \"%s:%s\": %s",
1798 host ? host : "*", port, _dbus_strerror_from_errno ());
1799 return -1;
1800 }
1801
1802 sscanf(_dbus_string_get_const_data(retport), "%d", &port_num);
1803
1804 for (i = 0 ; i < nlisten_fd ; i++)
1805 {
1806 _dbus_fd_set_close_on_exec (listen_fd[i]);
1807 if (!_dbus_set_fd_nonblocking (listen_fd[i], error))
1808 {
1809 goto failed;
1810 }
1811 }
1812
1813 *fds_p = listen_fd;
1814
1815 return nlisten_fd;
1816
1817 failed:
1818 if (ai)
1819 freeaddrinfo(ai);
1820 for (i = 0 ; i < nlisten_fd ; i++)
1821 closesocket (listen_fd[i]);
1822 dbus_free(listen_fd);
1823 return -1;
1824 }
1825
1826
1834 int
1835 _dbus_accept (int listen_fd)
1836 {
1837 int client_fd;
1838
1839 retry:
1840 client_fd = accept (listen_fd, NULL, NULL);
1841
1842 if (DBUS_SOCKET_IS_INVALID (client_fd))
1843 {
1844 DBUS_SOCKET_SET_ERRNO ();
1845 if (errno == EINTR)
1846 goto retry;
1847 }
1848
1849 _dbus_verbose ("client fd %d accepted\n", client_fd);
1850
1851 return client_fd;
1852 }
1853
1854
1855
1856
1857 dbus_bool_t
1858 _dbus_send_credentials_socket (int handle,
1859 DBusError *error)
1860 {
1861 /* FIXME: for the session bus credentials shouldn't matter (?), but
1862 * for the system bus they are presumably essential. A rough outline
1863 * of a way to implement the credential transfer would be this:
1864 *
1865 * client waits to *read* a byte.
1866 *
1867 * server creates a named pipe with a random name, sends a byte
1868 * contining its length, and its name.
1869 *
1870 * client reads the name, connects to it (using Win32 API).
1871 *
1872 * server waits for connection to the named pipe, then calls
1873 * ImpersonateNamedPipeClient(), notes its now-current credentials,
1874 * calls RevertToSelf(), closes its handles to the named pipe, and
1875 * is done. (Maybe there is some other way to get the SID of a named
1876 * pipe client without having to use impersonation?)
1877 *
1878 * client closes its handles and is done.
1879 *
1880 * Ralf: Why not sending credentials over the given this connection ?
1881 * Using named pipes makes it impossible to be connected from a unix client.
1882 *
1883 */
1884 int bytes_written;
1885 DBusString buf;
1886
1887 _dbus_string_init_const_len (&buf, "\0", 1);
1888 again:
1889 bytes_written = _dbus_write_socket (handle, &buf, 0, 1 );
1890
1891 if (bytes_written < 0 && errno == EINTR)
1892 goto again;
1893
1894 if (bytes_written < 0)
1895 {
1896 dbus_set_error (error, _dbus_error_from_errno (errno),
1897 "Failed to write credentials byte: %s",
1898 _dbus_strerror_from_errno ());
1899 return FALSE;
1900 }
1901 else if (bytes_written == 0)
1902 {
1903 dbus_set_error (error, DBUS_ERROR_IO_ERROR,
1904 "wrote zero bytes writing credentials byte");
1905 return FALSE;
1906 }
1907 else
1908 {
1909 _dbus_assert (bytes_written == 1);
1910 _dbus_verbose ("wrote 1 zero byte, credential sending isn't implemented yet\n");
1911 return TRUE;
1912 }
1913 return TRUE;
1914 }
1915
1934 dbus_bool_t
1935 _dbus_read_credentials_socket (int handle,
1936 DBusCredentials *credentials,
1937 DBusError *error)
1938 {
1939 int bytes_read = 0;
1940 DBusString buf;
1941
1942 char *sid = NULL;
1943 dbus_pid_t pid;
1944 int retval = FALSE;
1945
1946 // could fail due too OOM
1947 if (_dbus_string_init (&buf))
1948 {
1949 bytes_read = _dbus_read_socket (handle, &buf, 1 );
1950
1951 if (bytes_read > 0)
1952 _dbus_verbose ("got one zero byte from server\n");
1953
1954 _dbus_string_free (&buf);
1955 }
1956
1957 pid = _dbus_get_peer_pid_from_tcp_handle (handle);
1958 if (pid == 0)
1959 return TRUE;
1960
1961 _dbus_credentials_add_pid (credentials, pid);
1962
1963 if (_dbus_getsid (&sid, pid))
1964 {
1965 if (!_dbus_credentials_add_windows_sid (credentials, sid))
1966 goto out;
1967 }
1968
1969 retval = TRUE;
1970
1971 out:
1972 if (sid)
1973 LocalFree (sid);
1974
1975 return retval;
1976 }
1977
1986 dbus_bool_t
1987 _dbus_check_dir_is_private_to_user (DBusString *dir, DBusError *error)
1988 {
1989 /* TODO */
1990 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
1991 return TRUE;
1992 }
1993
1994
2005 dbus_bool_t
2006 _dbus_concat_dir_and_file (DBusString *dir,
2007 const DBusString *next_component)
2008 {
2009 dbus_bool_t dir_ends_in_slash;
2010 dbus_bool_t file_starts_with_slash;
2011
2012 if (_dbus_string_get_length (dir) == 0 ||
2013 _dbus_string_get_length (next_component) == 0)
2014 return TRUE;
2015
2016 dir_ends_in_slash =
2017 ('/' == _dbus_string_get_byte (dir, _dbus_string_get_length (dir) - 1) ||
2018 '\\' == _dbus_string_get_byte (dir, _dbus_string_get_length (dir) - 1));
2019
2020 file_starts_with_slash =
2021 ('/' == _dbus_string_get_byte (next_component, 0) ||
2022 '\\' == _dbus_string_get_byte (next_component, 0));
2023
2024 if (dir_ends_in_slash && file_starts_with_slash)
2025 {
2026 _dbus_string_shorten (dir, 1);
2027 }
2028 else if (!(dir_ends_in_slash || file_starts_with_slash))
2029 {
2030 if (!_dbus_string_append_byte (dir, '\\'))
2031 return FALSE;
2032 }
2033
2034 return _dbus_string_copy (next_component, 0, dir,
2035 _dbus_string_get_length (dir));
2036 }
2037
2038 /*---------------- DBusCredentials ----------------------------------*/
2039
2047 dbus_bool_t
2048 _dbus_credentials_add_from_user (DBusCredentials *credentials,
2049 const DBusString *username)
2050 {
2051 return _dbus_credentials_add_windows_sid (credentials,
2052 _dbus_string_get_const_data(username));
2053 }
2054
2063 dbus_bool_t
2064 _dbus_credentials_add_from_current_process (DBusCredentials *credentials)
2065 {
2066 dbus_bool_t retval = FALSE;
2067 char *sid = NULL;
2068
2069 if (!_dbus_getsid(&sid, _dbus_getpid()))
2070 goto failed;
2071
2072 if (!_dbus_credentials_add_pid (credentials, _dbus_getpid()))
2073 goto failed;
2074
2075 if (!_dbus_credentials_add_windows_sid (credentials,sid))
2076 goto failed;
2077
2078 retval = TRUE;
2079 goto end;
2080 failed:
2081 retval = FALSE;
2082 end:
2083 if (sid)
2084 LocalFree(sid);
2085
2086 return retval;
2087 }
2088
2101 dbus_bool_t
2102 _dbus_append_user_from_current_process (DBusString *str)
2103 {
2104 dbus_bool_t retval = FALSE;
2105 char *sid = NULL;
2106
2107 if (!_dbus_getsid(&sid, _dbus_getpid()))
2108 return FALSE;
2109
2110 retval = _dbus_string_append (str,sid);
2111
2112 LocalFree(sid);
2113 return retval;
2114 }
2115
2120 dbus_pid_t
2121 _dbus_getpid (void)
2122 {
2123 return GetCurrentProcessId ();
2124 }
2125
2127 #define NANOSECONDS_PER_SECOND 1000000000
2128
2129 #define MICROSECONDS_PER_SECOND 1000000
2130
2131 #define MILLISECONDS_PER_SECOND 1000
2132
2133 #define NANOSECONDS_PER_MILLISECOND 1000000
2134
2135 #define MICROSECONDS_PER_MILLISECOND 1000
2136
2141 void
2142 _dbus_sleep_milliseconds (int milliseconds)
2143 {
2144 Sleep (milliseconds);
2145 }
2146
2147
2155 void
2156 _dbus_get_real_time (long *tv_sec,
2157 long *tv_usec)
2158 {
2159 FILETIME ft;
2160 dbus_uint64_t time64;
2161
2162 GetSystemTimeAsFileTime (&ft);
2163
2164 memcpy (&time64, &ft, sizeof (time64));
2165
2166 /* Convert from 100s of nanoseconds since 1601-01-01
2167 * to Unix epoch. Yes, this is Y2038 unsafe.
2168 */
2169 time64 -= DBUS_INT64_CONSTANT (116444736000000000);
2170 time64 /= 10;
2171
2172 if (tv_sec)
2173 *tv_sec = time64 / 1000000;
2174
2175 if (tv_usec)
2176 *tv_usec = time64 % 1000000;
2177 }
2178
2186 void
2187 _dbus_get_monotonic_time (long *tv_sec,
2188 long *tv_usec)
2189 {
2190 /* no implementation yet, fall back to wall-clock time */
2191 _dbus_get_real_time (tv_sec, tv_usec);
2192 }
2193
2197 void
2198 _dbus_disable_sigpipe (void)
2199 {
2200 }
2201
2210 dbus_bool_t
2211 _dbus_create_directory (const DBusString *filename,
2212 DBusError *error)
2213 {
2214 const char *filename_c;
2215
2216 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
2217
2218 filename_c = _dbus_string_get_const_data (filename);
2219
2220 if (!CreateDirectoryA (filename_c, NULL))
2221 {
2222 if (GetLastError () == ERROR_ALREADY_EXISTS)
2223 return TRUE;
2224
2225 dbus_set_error (error, DBUS_ERROR_FAILED,
2226 "Failed to create directory %s: %s\n",
2227 filename_c, _dbus_strerror_from_errno ());
2228 return FALSE;
2229 }
2230 else
2231 return TRUE;
2232 }
2233
2234
2243 dbus_bool_t
2244 _dbus_generate_random_bytes (DBusString *str,
2245 int n_bytes)
2246 {
2247 int old_len;
2248 char *p;
2249 HCRYPTPROV hprov;
2250
2251 old_len = _dbus_string_get_length (str);
2252
2253 if (!_dbus_string_lengthen (str, n_bytes))
2254 return FALSE;
2255
2256 p = _dbus_string_get_data_len (str, old_len, n_bytes);
2257
2258 if (!CryptAcquireContext (&hprov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
2259 return FALSE;
2260
2261 if (!CryptGenRandom (hprov, n_bytes, p))
2262 {
2263 CryptReleaseContext (hprov, 0);
2264 return FALSE;
2265 }
2266
2267 CryptReleaseContext (hprov, 0);
2268
2269 return TRUE;
2270 }
2271
2278 const char*
2279 _dbus_get_tmpdir(void)
2280 {
2281 /* Protected by _DBUS_LOCK_sysdeps */
2282 static const char* tmpdir = NULL;
2283 static char buf[1000];
2284
2285 if (!_DBUS_LOCK (sysdeps))
2286 return NULL;
2287
2288 if (tmpdir == NULL)
2289 {
2290 char *last_slash;
2291
2292 if (!GetTempPathA (sizeof (buf), buf))
2293 {
2294 _dbus_warn ("GetTempPath failed\n");
2295 _dbus_abort ();
2296 }
2297
2298 /* Drop terminating backslash or slash */
2299 last_slash = _mbsrchr (buf, '\\');
2300 if (last_slash > buf && last_slash[1] == '\0')
2301 last_slash[0] = '\0';
2302 last_slash = _mbsrchr (buf, '/');
2303 if (last_slash > buf && last_slash[1] == '\0')
2304 last_slash[0] = '\0';
2305
2306 tmpdir = buf;
2307 }
2308
2309 _DBUS_UNLOCK (sysdeps);
2310
2311 _dbus_assert(tmpdir != NULL);
2312
2313 return tmpdir;
2314 }
2315
2316
2325 dbus_bool_t
2326 _dbus_delete_file (const DBusString *filename,
2327 DBusError *error)
2328 {
2329 const char *filename_c;
2330
2331 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
2332
2333 filename_c = _dbus_string_get_const_data (filename);
2334
2335 if (DeleteFileA (filename_c) == 0)
2336 {
2337 dbus_set_error (error, DBUS_ERROR_FAILED,
2338 "Failed to delete file %s: %s\n",
2339 filename_c, _dbus_strerror_from_errno ());
2340 return FALSE;
2341 }
2342 else
2343 return TRUE;
2344 }
2345
2346 #if !defined (DBUS_DISABLE_ASSERT) || defined(DBUS_ENABLE_EMBEDDED_TESTS)
2347
2348 #if defined(_MSC_VER) || defined(DBUS_WINCE)
2349 # ifdef BACKTRACES
2350 # undef BACKTRACES
2351 # endif
2352 #else
2353 # define BACKTRACES
2354 #endif
2355
2356 #ifdef BACKTRACES
2357 /*
2358 * Backtrace Generator
2359 *
2360 * Copyright 2004 Eric Poech
2361 * Copyright 2004 Robert Shearman
2362 *
2363 * This library is free software; you can redistribute it and/or
2364 * modify it under the terms of the GNU Lesser General Public
2365 * License as published by the Free Software Foundation; either
2366 * version 2.1 of the License, or (at your option) any later version.
2367 *
2368 * This library is distributed in the hope that it will be useful,
2369 * but WITHOUT ANY WARRANTY; without even the implied warranty of
2370 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
2371 * Lesser General Public License for more details.
2372 *
2373 * You should have received a copy of the GNU Lesser General Public
2374 * License along with this library; if not, write to the Free Software
2375 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
2376 */
2377
2378 #include <winver.h>
2379 #include <imagehlp.h>
2380 #include <stdio.h>
2381
2382 #define DPRINTF _dbus_warn
2383
2384 #ifdef _MSC_VER
2385 #define BOOL int
2386
2387 #define __i386__
2388 #endif
2389
2390 //#define MAKE_FUNCPTR(f) static typeof(f) * p##f
2391
2392 //MAKE_FUNCPTR(StackWalk);
2393 //MAKE_FUNCPTR(SymGetModuleBase);
2394 //MAKE_FUNCPTR(SymFunctionTableAccess);
2395 //MAKE_FUNCPTR(SymInitialize);
2396 //MAKE_FUNCPTR(SymGetSymFromAddr);
2397 //MAKE_FUNCPTR(SymGetModuleInfo);
2398 static BOOL (WINAPI *pStackWalk)(
2399 DWORD MachineType,
2400 HANDLE hProcess,
2401 HANDLE hThread,
2402 LPSTACKFRAME StackFrame,
2403 PVOID ContextRecord,
2404 PREAD_PROCESS_MEMORY_ROUTINE ReadMemoryRoutine,
2405 PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
2406 PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
2407 PTRANSLATE_ADDRESS_ROUTINE TranslateAddress
2408 );
2409 #ifdef _WIN64
2410 static DWORD64 (WINAPI *pSymGetModuleBase)(
2411 HANDLE hProcess,
2412 DWORD64 dwAddr
2413 );
2414 static PVOID (WINAPI *pSymFunctionTableAccess)(
2415 HANDLE hProcess,
2416 DWORD64 AddrBase
2417 );
2418 #else
2419 static DWORD (WINAPI *pSymGetModuleBase)(
2420 HANDLE hProcess,
2421 DWORD dwAddr
2422 );
2423 static PVOID (WINAPI *pSymFunctionTableAccess)(
2424 HANDLE hProcess,
2425 DWORD AddrBase
2426 );
2427 #endif
2428 static BOOL (WINAPI *pSymInitialize)(
2429 HANDLE hProcess,
2430 PSTR UserSearchPath,
2431 BOOL fInvadeProcess
2432 );
2433 static BOOL (WINAPI *pSymGetSymFromAddr)(
2434 HANDLE hProcess,
2435 DWORD Address,
2436 PDWORD Displacement,
2437 PIMAGEHLP_SYMBOL Symbol
2438 );
2439 static BOOL (WINAPI *pSymGetModuleInfo)(
2440 HANDLE hProcess,
2441 DWORD dwAddr,
2442 PIMAGEHLP_MODULE ModuleInfo
2443 );
2444 static DWORD (WINAPI *pSymSetOptions)(
2445 DWORD SymOptions
2446 );
2447
2448
2449 static BOOL init_backtrace()
2450 {
2451 HMODULE hmodDbgHelp = LoadLibraryA("dbghelp");
2452 /*
2453 #define GETFUNC(x) \
2454 p##x = (typeof(x)*)GetProcAddress(hmodDbgHelp, #x); \
2455 if (!p##x) \
2456 { \
2457 return FALSE; \
2458 }
2459 */
2460
2461
2462 // GETFUNC(StackWalk);
2463 // GETFUNC(SymGetModuleBase);
2464 // GETFUNC(SymFunctionTableAccess);
2465 // GETFUNC(SymInitialize);
2466 // GETFUNC(SymGetSymFromAddr);
2467 // GETFUNC(SymGetModuleInfo);
2468
2469 #define FUNC(x) #x
2470
2471 pStackWalk = (BOOL (WINAPI *)(
2472 DWORD MachineType,
2473 HANDLE hProcess,
2474 HANDLE hThread,
2475 LPSTACKFRAME StackFrame,
2476 PVOID ContextRecord,
2477 PREAD_PROCESS_MEMORY_ROUTINE ReadMemoryRoutine,
2478 PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
2479 PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
2480 PTRANSLATE_ADDRESS_ROUTINE TranslateAddress
2481 ))GetProcAddress (hmodDbgHelp, FUNC(StackWalk));
2482 #ifdef _WIN64
2483 pSymGetModuleBase=(DWORD64 (WINAPI *)(
2484 HANDLE hProcess,
2485 DWORD64 dwAddr
2486 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleBase));
2487 pSymFunctionTableAccess=(PVOID (WINAPI *)(
2488 HANDLE hProcess,
2489 DWORD64 AddrBase
2490 ))GetProcAddress (hmodDbgHelp, FUNC(SymFunctionTableAccess));
2491 #else
2492 pSymGetModuleBase=(DWORD (WINAPI *)(
2493 HANDLE hProcess,
2494 DWORD dwAddr
2495 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleBase));
2496 pSymFunctionTableAccess=(PVOID (WINAPI *)(
2497 HANDLE hProcess,
2498 DWORD AddrBase
2499 ))GetProcAddress (hmodDbgHelp, FUNC(SymFunctionTableAccess));
2500 #endif
2501 pSymInitialize = (BOOL (WINAPI *)(
2502 HANDLE hProcess,
2503 PSTR UserSearchPath,
2504 BOOL fInvadeProcess
2505 ))GetProcAddress (hmodDbgHelp, FUNC(SymInitialize));
2506 pSymGetSymFromAddr = (BOOL (WINAPI *)(
2507 HANDLE hProcess,
2508 DWORD Address,
2509 PDWORD Displacement,
2510 PIMAGEHLP_SYMBOL Symbol
2511 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetSymFromAddr));
2512 pSymGetModuleInfo = (BOOL (WINAPI *)(
2513 HANDLE hProcess,
2514 DWORD dwAddr,
2515 PIMAGEHLP_MODULE ModuleInfo
2516 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleInfo));
2517 pSymSetOptions = (DWORD (WINAPI *)(
2518 DWORD SymOptions
2519 ))GetProcAddress (hmodDbgHelp, FUNC(SymSetOptions));
2520
2521
2522 pSymSetOptions(SYMOPT_UNDNAME);
2523
2524 pSymInitialize(GetCurrentProcess(), NULL, TRUE);
2525
2526 return TRUE;
2527 }
2528
2529 static void dump_backtrace_for_thread(HANDLE hThread)
2530 {
2531 STACKFRAME sf;
2532 CONTEXT context;
2533 DWORD dwImageType;
2534
2535 if (!pStackWalk)
2536 if (!init_backtrace())
2537 return;
2538
2539 /* can't use this function for current thread as GetThreadContext
2540 * doesn't support getting context from current thread */
2541 if (hThread == GetCurrentThread())
2542 return;
2543
2544 DPRINTF("Backtrace:\n");
2545
2546 _DBUS_ZERO(context);
2547 context.ContextFlags = CONTEXT_FULL;
2548
2549 SuspendThread(hThread);
2550
2551 if (!GetThreadContext(hThread, &context))
2552 {
2553 DPRINTF("Couldn't get thread context (error %ld)\n", GetLastError());
2554 ResumeThread(hThread);
2555 return;
2556 }
2557
2558 _DBUS_ZERO(sf);
2559
2560 #ifdef __i386__
2561 sf.AddrFrame.Offset = context.Ebp;
2562 sf.AddrFrame.Mode = AddrModeFlat;
2563 sf.AddrPC.Offset = context.Eip;
2564 sf.AddrPC.Mode = AddrModeFlat;
2565 dwImageType = IMAGE_FILE_MACHINE_I386;
2566 #elif _M_X64
2567 dwImageType = IMAGE_FILE_MACHINE_AMD64;
2568 sf.AddrPC.Offset = context.Rip;
2569 sf.AddrPC.Mode = AddrModeFlat;
2570 sf.AddrFrame.Offset = context.Rsp;
2571 sf.AddrFrame.Mode = AddrModeFlat;
2572 sf.AddrStack.Offset = context.Rsp;
2573 sf.AddrStack.Mode = AddrModeFlat;
2574 #elif _M_IA64
2575 dwImageType = IMAGE_FILE_MACHINE_IA64;
2576 sf.AddrPC.Offset = context.StIIP;
2577 sf.AddrPC.Mode = AddrModeFlat;
2578 sf.AddrFrame.Offset = context.IntSp;
2579 sf.AddrFrame.Mode = AddrModeFlat;
2580 sf.AddrBStore.Offset= context.RsBSP;
2581 sf.AddrBStore.Mode = AddrModeFlat;
2582 sf.AddrStack.Offset = context.IntSp;
2583 sf.AddrStack.Mode = AddrModeFlat;
2584 #else
2585 # error You need to fill in the STACKFRAME structure for your architecture
2586 #endif
2587
2588 while (pStackWalk(dwImageType, GetCurrentProcess(),
2589 hThread, &sf, &context, NULL, pSymFunctionTableAccess,
2590 pSymGetModuleBase, NULL))
2591 {
2592 BYTE buffer[256];
2593 IMAGEHLP_SYMBOL * pSymbol = (IMAGEHLP_SYMBOL *)buffer;
2594 DWORD dwDisplacement;
2595
2596 pSymbol->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL);
2597 pSymbol->MaxNameLength = sizeof(buffer) - sizeof(IMAGEHLP_SYMBOL) + 1;
2598
2599 if (!pSymGetSymFromAddr(GetCurrentProcess(), sf.AddrPC.Offset,
2600 &dwDisplacement, pSymbol))
2601 {
2602 IMAGEHLP_MODULE ModuleInfo;
2603 ModuleInfo.SizeOfStruct = sizeof(ModuleInfo);
2604
2605 if (!pSymGetModuleInfo(GetCurrentProcess(), sf.AddrPC.Offset,
2606 &ModuleInfo))
2607 DPRINTF("1\t%p\n", (void*)sf.AddrPC.Offset);
2608 else
2609 DPRINTF("2\t%s+0x%lx\n", ModuleInfo.ImageName,
2610 sf.AddrPC.Offset - ModuleInfo.BaseOfImage);
2611 }
2612 else if (dwDisplacement)
2613 DPRINTF("3\t%s+0x%lx\n", pSymbol->Name, dwDisplacement);
2614 else
2615 DPRINTF("4\t%s\n", pSymbol->Name);
2616 }
2617
2618 ResumeThread(hThread);
2619 }
2620
2621 static DWORD WINAPI dump_thread_proc(LPVOID lpParameter)
2622 {
2623 dump_backtrace_for_thread((HANDLE)lpParameter);
2624 return 0;
2625 }
2626
2627 /* cannot get valid context from current thread, so we have to execute
2628 * backtrace from another thread */
2629 static void dump_backtrace()
2630 {
2631 HANDLE hCurrentThread;
2632 HANDLE hThread;
2633 DWORD dwThreadId;
2634 DuplicateHandle(GetCurrentProcess(), GetCurrentThread(),
2635 GetCurrentProcess(), &hCurrentThread, 0, FALSE, DUPLICATE_SAME_ACCESS);
2636 hThread = CreateThread(NULL, 0, dump_thread_proc, (LPVOID)hCurrentThread,
2637 0, &dwThreadId);
2638 WaitForSingleObject(hThread, INFINITE);
2639 CloseHandle(hThread);
2640 CloseHandle(hCurrentThread);
2641 }
2642 #endif
2643 #endif /* asserts or tests enabled */
2644
2645 #ifdef BACKTRACES
2646 void _dbus_print_backtrace(void)
2647 {
2648 init_backtrace();
2649 dump_backtrace();
2650 }
2651 #else
2652 void _dbus_print_backtrace(void)
2653 {
2654 _dbus_verbose (" D-Bus not compiled with backtrace support\n");
2655 }
2656 #endif
2657
2658 static dbus_uint32_t fromAscii(char ascii)
2659 {
2660 if(ascii >= '0' && ascii <= '9')
2661 return ascii - '0';
2662 if(ascii >= 'A' && ascii <= 'F')
2663 return ascii - 'A' + 10;
2664 if(ascii >= 'a' && ascii <= 'f')
2665 return ascii - 'a' + 10;
2666 return 0;
2667 }
2668
2669 dbus_bool_t _dbus_read_local_machine_uuid (DBusGUID *machine_id,
2670 dbus_bool_t create_if_not_found,
2671 DBusError *error)
2672 {
2673 #ifdef DBUS_WINCE
2674 return TRUE;
2675 // TODO
2676 #else
2677 HW_PROFILE_INFOA info;
2678 char *lpc = &info.szHwProfileGuid[0];
2679 dbus_uint32_t u;
2680
2681 // the hw-profile guid lives long enough
2682 if(!GetCurrentHwProfileA(&info))
2683 {
2684 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL); // FIXME
2685 return FALSE;
2686 }
2687
2688 // Form: {12340001-4980-1920-6788-123456789012}
2689 lpc++;
2690 // 12340001
2691 u = ((fromAscii(lpc[0]) << 0) |
2692 (fromAscii(lpc[1]) << 4) |
2693 (fromAscii(lpc[2]) << 8) |
2694 (fromAscii(lpc[3]) << 12) |
2695 (fromAscii(lpc[4]) << 16) |
2696 (fromAscii(lpc[5]) << 20) |
2697 (fromAscii(lpc[6]) << 24) |
2698 (fromAscii(lpc[7]) << 28));
2699 machine_id->as_uint32s[0] = u;
2700
2701 lpc += 9;
2702 // 4980-1920
2703 u = ((fromAscii(lpc[0]) << 0) |
2704 (fromAscii(lpc[1]) << 4) |
2705 (fromAscii(lpc[2]) << 8) |
2706 (fromAscii(lpc[3]) << 12) |
2707 (fromAscii(lpc[5]) << 16) |
2708 (fromAscii(lpc[6]) << 20) |
2709 (fromAscii(lpc[7]) << 24) |
2710 (fromAscii(lpc[8]) << 28));
2711 machine_id->as_uint32s[1] = u;
2712
2713 lpc += 10;
2714 // 6788-1234
2715 u = ((fromAscii(lpc[0]) << 0) |
2716 (fromAscii(lpc[1]) << 4) |
2717 (fromAscii(lpc[2]) << 8) |
2718 (fromAscii(lpc[3]) << 12) |
2719 (fromAscii(lpc[5]) << 16) |
2720 (fromAscii(lpc[6]) << 20) |
2721 (fromAscii(lpc[7]) << 24) |
2722 (fromAscii(lpc[8]) << 28));
2723 machine_id->as_uint32s[2] = u;
2724
2725 lpc += 9;
2726 // 56789012
2727 u = ((fromAscii(lpc[0]) << 0) |
2728 (fromAscii(lpc[1]) << 4) |
2729 (fromAscii(lpc[2]) << 8) |
2730 (fromAscii(lpc[3]) << 12) |
2731 (fromAscii(lpc[4]) << 16) |
2732 (fromAscii(lpc[5]) << 20) |
2733 (fromAscii(lpc[6]) << 24) |
2734 (fromAscii(lpc[7]) << 28));
2735 machine_id->as_uint32s[3] = u;
2736 #endif
2737 return TRUE;
2738 }
2739
2740 static
2741 HANDLE _dbus_global_lock (const char *mutexname)
2742 {
2743 HANDLE mutex;
2744 DWORD gotMutex;
2745
2746 mutex = CreateMutexA( NULL, FALSE, mutexname );
2747 if( !mutex )
2748 {
2749 return FALSE;
2750 }
2751
2752 gotMutex = WaitForSingleObject( mutex, INFINITE );
2753 switch( gotMutex )
2754 {
2755 case WAIT_ABANDONED:
2756 ReleaseMutex (mutex);
2757 CloseHandle (mutex);
2758 return 0;
2759 case WAIT_FAILED:
2760 case WAIT_TIMEOUT:
2761 return 0;
2762 }
2763
2764 return mutex;
2765 }
2766
2767 static
2768 void _dbus_global_unlock (HANDLE mutex)
2769 {
2770 ReleaseMutex (mutex);
2771 CloseHandle (mutex);
2772 }
2773
2774 // for proper cleanup in dbus-daemon
2775 static HANDLE hDBusDaemonMutex = NULL;
2776 static HANDLE hDBusSharedMem = NULL;
2777 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
2778 static const char *cUniqueDBusInitMutex = "UniqueDBusInitMutex";
2779 // sync _dbus_get_autolaunch_address
2780 static const char *cDBusAutolaunchMutex = "DBusAutolaunchMutex";
2781 // mutex to determine if dbus-daemon is already started (per user)
2782 static const char *cDBusDaemonMutex = "DBusDaemonMutex";
2783 // named shm for dbus adress info (per user)
2784 static const char *cDBusDaemonAddressInfo = "DBusDaemonAddressInfo";
2785
2786 static dbus_bool_t
2787 _dbus_get_install_root_as_hash(DBusString *out)
2788 {
2789 DBusString install_path;
2790
2791 char path[MAX_PATH*2];
2792 int path_size = sizeof(path);
2793
2794 if (!_dbus_get_install_root(path,path_size))
2795 return FALSE;
2796
2797 _dbus_string_init(&install_path);
2798 _dbus_string_append(&install_path,path);
2799
2800 _dbus_string_init(out);
2801 _dbus_string_tolower_ascii(&install_path,0,_dbus_string_get_length(&install_path));
2802
2803 if (!_dbus_sha_compute (&install_path, out))
2804 return FALSE;
2805
2806 return TRUE;
2807 }
2808
2809 static dbus_bool_t
2810 _dbus_get_address_string (DBusString *out, const char *basestring, const char *scope)
2811 {
2812 _dbus_string_init(out);
2813 _dbus_string_append(out,basestring);
2814
2815 if (!scope)
2816 {
2817 return TRUE;
2818 }
2819 else if (strcmp(scope,"*install-path") == 0
2820 // for 1.3 compatibility
2821 || strcmp(scope,"install-path") == 0)
2822 {
2823 DBusString temp;
2824 if (!_dbus_get_install_root_as_hash(&temp))
2825 {
2826 _dbus_string_free(out);
2827 return FALSE;
2828 }
2829 _dbus_string_append(out,"-");
2830 _dbus_string_append(out,_dbus_string_get_const_data(&temp));
2831 _dbus_string_free(&temp);
2832 }
2833 else if (strcmp(scope,"*user") == 0)
2834 {
2835 _dbus_string_append(out,"-");
2836 if (!_dbus_append_user_from_current_process(out))
2837 {
2838 _dbus_string_free(out);
2839 return FALSE;
2840 }
2841 }
2842 else if (strlen(scope) > 0)
2843 {
2844 _dbus_string_append(out,"-");
2845 _dbus_string_append(out,scope);
2846 return TRUE;
2847 }
2848 return TRUE;
2849 }
2850
2851 static dbus_bool_t
2852 _dbus_get_shm_name (DBusString *out,const char *scope)
2853 {
2854 return _dbus_get_address_string (out,cDBusDaemonAddressInfo,scope);
2855 }
2856
2857 static dbus_bool_t
2858 _dbus_get_mutex_name (DBusString *out,const char *scope)
2859 {
2860 return _dbus_get_address_string (out,cDBusDaemonMutex,scope);
2861 }
2862
2863 dbus_bool_t
2864 _dbus_daemon_is_session_bus_address_published (const char *scope)
2865 {
2866 HANDLE lock;
2867 DBusString mutex_name;
2868
2869 if (!_dbus_get_mutex_name(&mutex_name,scope))
2870 {
2871 _dbus_string_free( &mutex_name );
2872 return FALSE;
2873 }
2874
2875 if (hDBusDaemonMutex)
2876 return TRUE;
2877
2878 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
2879 lock = _dbus_global_lock( cUniqueDBusInitMutex );
2880
2881 // we use CreateMutex instead of OpenMutex because of possible race conditions,
2882 // see http://msdn.microsoft.com/en-us/library/ms684315%28VS.85%29.aspx
2883 hDBusDaemonMutex = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
2884
2885 /* The client uses mutex ownership to detect a running server, so the server should do so too.
2886 Fortunally the client deletes the mutex in the lock protected area, so checking presence
2887 will work too. */
2888
2889 _dbus_global_unlock( lock );
2890
2891 _dbus_string_free( &mutex_name );
2892
2893 if (hDBusDaemonMutex == NULL)
2894 return FALSE;
2895 if (GetLastError() == ERROR_ALREADY_EXISTS)
2896 {
2897 CloseHandle(hDBusDaemonMutex);
2898 hDBusDaemonMutex = NULL;
2899 return TRUE;
2900 }
2901 // mutex wasn't created before, so return false.
2902 // We leave the mutex name allocated for later reusage
2903 // in _dbus_daemon_publish_session_bus_address.
2904 return FALSE;
2905 }
2906
2907 dbus_bool_t
2908 _dbus_daemon_publish_session_bus_address (const char* address, const char *scope)
2909 {
2910 HANDLE lock;
2911 char *shared_addr = NULL;
2912 DBusString shm_name;
2913 DBusString mutex_name;
2914
2915 _dbus_assert (address);
2916
2917 if (!_dbus_get_mutex_name(&mutex_name,scope))
2918 {
2919 _dbus_string_free( &mutex_name );
2920 return FALSE;
2921 }
2922
2923 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
2924 lock = _dbus_global_lock( cUniqueDBusInitMutex );
2925
2926 if (!hDBusDaemonMutex)
2927 {
2928 hDBusDaemonMutex = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
2929 }
2930 _dbus_string_free( &mutex_name );
2931
2932 // acquire the mutex
2933 if (WaitForSingleObject( hDBusDaemonMutex, 10 ) != WAIT_OBJECT_0)
2934 {
2935 _dbus_global_unlock( lock );
2936 CloseHandle( hDBusDaemonMutex );
2937 return FALSE;
2938 }
2939
2940 if (!_dbus_get_shm_name(&shm_name,scope))
2941 {
2942 _dbus_string_free( &shm_name );
2943 _dbus_global_unlock( lock );
2944 return FALSE;
2945 }
2946
2947 // create shm
2948 hDBusSharedMem = CreateFileMappingA( INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE,
2949 0, strlen( address ) + 1, _dbus_string_get_const_data(&shm_name) );
2950 _dbus_assert( hDBusSharedMem );
2951
2952 shared_addr = MapViewOfFile( hDBusSharedMem, FILE_MAP_WRITE, 0, 0, 0 );
2953
2954 _dbus_assert (shared_addr);
2955
2956 strcpy( shared_addr, address);
2957
2958 // cleanup
2959 UnmapViewOfFile( shared_addr );
2960
2961 _dbus_global_unlock( lock );
2962 _dbus_verbose( "published session bus address at %s\n",_dbus_string_get_const_data (&shm_name) );
2963
2964 _dbus_string_free( &shm_name );
2965 return TRUE;
2966 }
2967
2968 void
2969 _dbus_daemon_unpublish_session_bus_address (void)
2970 {
2971 HANDLE lock;
2972
2973 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
2974 lock = _dbus_global_lock( cUniqueDBusInitMutex );
2975
2976 CloseHandle( hDBusSharedMem );
2977
2978 hDBusSharedMem = NULL;
2979
2980 ReleaseMutex( hDBusDaemonMutex );
2981
2982 CloseHandle( hDBusDaemonMutex );
2983
2984 hDBusDaemonMutex = NULL;
2985
2986 _dbus_global_unlock( lock );
2987 }
2988
2989 static dbus_bool_t
2990 _dbus_get_autolaunch_shm (DBusString *address, DBusString *shm_name)
2991 {
2992 HANDLE sharedMem;
2993 char *shared_addr;
2994 int i;
2995
2996 // read shm
2997 for(i=0;i<20;++i) {
2998 // we know that dbus-daemon is available, so we wait until shm is available
2999 sharedMem = OpenFileMappingA( FILE_MAP_READ, FALSE, _dbus_string_get_const_data(shm_name));
3000 if( sharedMem == 0 )
3001 Sleep( 100 );
3002 if ( sharedMem != 0)
3003 break;
3004 }
3005
3006 if( sharedMem == 0 )
3007 return FALSE;
3008
3009 shared_addr = MapViewOfFile( sharedMem, FILE_MAP_READ, 0, 0, 0 );
3010
3011 if( !shared_addr )
3012 return FALSE;
3013
3014 _dbus_string_init( address );
3015
3016 _dbus_string_append( address, shared_addr );
3017
3018 // cleanup
3019 UnmapViewOfFile( shared_addr );
3020
3021 CloseHandle( sharedMem );
3022
3023 return TRUE;
3024 }
3025
3026 static dbus_bool_t
3027 _dbus_daemon_already_runs (DBusString *address, DBusString *shm_name, const char *scope)
3028 {
3029 HANDLE lock;
3030 HANDLE daemon;
3031 DBusString mutex_name;
3032 dbus_bool_t bRet = TRUE;
3033
3034 if (!_dbus_get_mutex_name(&mutex_name,scope))
3035 {
3036 _dbus_string_free( &mutex_name );
3037 return FALSE;
3038 }
3039
3040 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
3041 lock = _dbus_global_lock( cUniqueDBusInitMutex );
3042
3043 // do checks
3044 daemon = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
3045 if(WaitForSingleObject( daemon, 10 ) != WAIT_TIMEOUT)
3046 {
3047 ReleaseMutex (daemon);
3048 CloseHandle (daemon);
3049
3050 _dbus_global_unlock( lock );
3051 _dbus_string_free( &mutex_name );
3052 return FALSE;
3053 }
3054
3055 // read shm
3056 bRet = _dbus_get_autolaunch_shm( address, shm_name );
3057
3058 // cleanup
3059 CloseHandle ( daemon );
3060
3061 _dbus_global_unlock( lock );
3062 _dbus_string_free( &mutex_name );
3063
3064 return bRet;
3065 }
3066
3067 dbus_bool_t
3068 _dbus_get_autolaunch_address (const char *scope, DBusString *address,
3069 DBusError *error)
3070 {
3071 HANDLE mutex;
3072 STARTUPINFOA si;
3073 PROCESS_INFORMATION pi;
3074 dbus_bool_t retval = FALSE;
3075 LPSTR lpFile;
3076 char dbus_exe_path[MAX_PATH];
3077 char dbus_args[MAX_PATH * 2];
3078 const char * daemon_name = DBUS_DAEMON_NAME ".exe";
3079 DBusString shm_name;
3080
3081 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
3082
3083 if (!_dbus_get_shm_name(&shm_name,scope))
3084 {
3085 dbus_set_error_const (error, DBUS_ERROR_FAILED, "could not determine shm name");
3086 return FALSE;
3087 }
3088
3089 mutex = _dbus_global_lock ( cDBusAutolaunchMutex );
3090
3091 if (_dbus_daemon_already_runs(address,&shm_name,scope))
3092 {
3093 _dbus_verbose( "found running dbus daemon at %s\n",
3094 _dbus_string_get_const_data (&shm_name) );
3095 retval = TRUE;
3096 goto out;
3097 }
3098
3099 if (!SearchPathA(NULL, daemon_name, NULL, sizeof(dbus_exe_path), dbus_exe_path, &lpFile))
3100 {
3101 // Look in directory containing dbus shared library
3102 HMODULE hmod;
3103 char dbus_module_path[MAX_PATH];
3104 DWORD rc;
3105
3106 _dbus_verbose( "did not found dbus daemon executable on default search path, "
3107 "trying path where dbus shared library is located");
3108
3109 hmod = _dbus_win_get_dll_hmodule();
3110 rc = GetModuleFileNameA(hmod, dbus_module_path, sizeof(dbus_module_path));
3111 if (rc <= 0)
3112 {
3113 dbus_set_error_const (error, DBUS_ERROR_FAILED, "could not retrieve dbus shared library file name");
3114 retval = FALSE;
3115 goto out;
3116 }
3117 else
3118 {
3119 char *ext_idx = strrchr(dbus_module_path, '\\');
3120 if (ext_idx)
3121 *ext_idx = '\0';
3122 if (!SearchPathA(dbus_module_path, daemon_name, NULL, sizeof(dbus_exe_path), dbus_exe_path, &lpFile))
3123 {
3124 dbus_set_error_const (error, DBUS_ERROR_FAILED, "could not find dbus-daemon executable");
3125 retval = FALSE;
3126 printf ("please add the path to %s to your PATH environment variable\n", daemon_name);
3127 printf ("or start the daemon manually\n\n");
3128 goto out;
3129 }
3130 _dbus_verbose( "found dbus daemon executable at %s",dbus_module_path);
3131 }
3132 }
3133
3134
3135 // Create process
3136 ZeroMemory( &si, sizeof(si) );
3137 si.cb = sizeof(si);
3138 ZeroMemory( &pi, sizeof(pi) );
3139
3140 _snprintf(dbus_args, sizeof(dbus_args) - 1, "\"%s\" %s", dbus_exe_path, " --session");
3141
3142 // argv[i] = "--config-file=bus\\session.conf";
3143 // printf("create process \"%s\" %s\n", dbus_exe_path, dbus_args);
3144 if(CreateProcessA(dbus_exe_path, dbus_args, NULL, NULL, FALSE, CREATE_NO_WINDOW, NULL, NULL, &si, &pi))
3145 {
3146 CloseHandle (pi.hThread);
3147 CloseHandle (pi.hProcess);
3148 retval = _dbus_get_autolaunch_shm( address, &shm_name );
3149 if (retval == FALSE)
3150 dbus_set_error_const (error, DBUS_ERROR_FAILED, "Failed to get autolaunch address from launched dbus-daemon");
3151 }
3152 else
3153 {
3154 dbus_set_error_const (error, DBUS_ERROR_FAILED, "Failed to launch dbus-daemon");
3155 retval = FALSE;
3156 }
3157
3158 out:
3159 if (retval)
3160 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
3161 else
3162 _DBUS_ASSERT_ERROR_IS_SET (error);
3163
3164 _dbus_global_unlock (mutex);
3165
3166 return retval;
3167 }
3168
3169
3176 dbus_bool_t
3177 _dbus_make_file_world_readable(const DBusString *filename,
3178 DBusError *error)
3179 {
3180 // TODO
3181 return TRUE;
3182 }
3183
3191 dbus_int32_t
3192 _dbus_atomic_inc (DBusAtomic *atomic)
3193 {
3194 // +/- 1 is needed here!
3195 // no volatile argument with mingw
3196 return InterlockedIncrement (&atomic->value) - 1;
3197 }
3198
3206 dbus_int32_t
3207 _dbus_atomic_dec (DBusAtomic *atomic)
3208 {
3209 // +/- 1 is needed here!
3210 // no volatile argument with mingw
3211 return InterlockedDecrement (&atomic->value) + 1;
3212 }
3213
3221 dbus_int32_t
3222 _dbus_atomic_get (DBusAtomic *atomic)
3223 {
3224 /* In this situation, GLib issues a MemoryBarrier() and then returns
3225 * atomic->value. However, mingw from mingw.org (not to be confused with
3226 * mingw-w64 from mingw-w64.sf.net) does not have MemoryBarrier in its
3227 * headers, so we have to get a memory barrier some other way.
3228 *
3229 * InterlockedIncrement is older, and is documented on MSDN to be a full
3230 * memory barrier, so let's use that.
3231 */
3232 long dummy = 0;
3233
3234 InterlockedExchange (&dummy, 1);
3235
3236 return atomic->value;
3237 }
3238
3246 void
3247 _dbus_flush_caches (void)
3248 {
3249 }
3250
3257 dbus_bool_t
3258 _dbus_get_is_errno_eagain_or_ewouldblock (void)
3259 {
3260 return errno == WSAEWOULDBLOCK;
3261 }
3262
3270 dbus_bool_t
3271 _dbus_get_install_root(char *prefix, int len)
3272 {
3273 //To find the prefix, we cut the filename and also \bin\ if present
3274 DWORD pathLength;
3275 char *lastSlash;
3276 SetLastError( 0 );
3277 pathLength = GetModuleFileNameA(_dbus_win_get_dll_hmodule(), prefix, len);
3278 if ( pathLength == 0 || GetLastError() != 0 ) {
3279 *prefix = '\0';
3280 return FALSE;
3281 }
3282 lastSlash = _mbsrchr(prefix, '\\');
3283 if (lastSlash == NULL) {
3284 *prefix = '\0';
3285 return FALSE;
3286 }
3287 //cut off binary name
3288 lastSlash[1] = 0;
3289
3290 //cut possible "\\bin"
3291
3292 //this fails if we are in a double-byte system codepage and the
3293 //folder's name happens to end with the *bytes*
3294 //"\\bin"... (I.e. the second byte of some Han character and then
3295 //the Latin "bin", but that is not likely I think...
3296 if (lastSlash - prefix >= 4 && strnicmp(lastSlash - 4, "\\bin", 4) == 0)
3297 lastSlash[-3] = 0;
3298 else if (lastSlash - prefix >= 10 && strnicmp(lastSlash - 10, "\\bin\\debug", 10) == 0)
3299 lastSlash[-9] = 0;
3300 else if (lastSlash - prefix >= 12 && strnicmp(lastSlash - 12, "\\bin\\release", 12) == 0)
3301 lastSlash[-11] = 0;
3302
3303 return TRUE;
3304 }
3305
3319 dbus_bool_t
3320 _dbus_get_config_file_name(DBusString *config_file, char *s)
3321 {
3322 char path[MAX_PATH*2];
3323 int path_size = sizeof(path);
3324
3325 if (!_dbus_get_install_root(path,path_size))
3326 return FALSE;
3327
3328 if(strlen(s) + 4 + strlen(path) > sizeof(path)-2)
3329 return FALSE;
3330 strcat(path,"etc\\");
3331 strcat(path,s);
3332 if (_dbus_file_exists(path))
3333 {
3334 // find path from executable
3335 if (!_dbus_string_append (config_file, path))
3336 return FALSE;
3337 }
3338 else
3339 {
3340 if (!_dbus_get_install_root(path,path_size))
3341 return FALSE;
3342 if(strlen(s) + 11 + strlen(path) > sizeof(path)-2)
3343 return FALSE;
3344 strcat(path,"etc\\dbus-1\\");
3345 strcat(path,s);
3346
3347 if (_dbus_file_exists(path))
3348 {
3349 if (!_dbus_string_append (config_file, path))
3350 return FALSE;
3351 }
3352 else
3353 {
3354 if (!_dbus_get_install_root(path,path_size))
3355 return FALSE;
3356 if(strlen(s) + 4 + strlen(path) > sizeof(path)-2)
3357 return FALSE;
3358 strcat(path,"bus\\");
3359 strcat(path,s);
3360
3361 if (_dbus_file_exists(path))
3362 {
3363 if (!_dbus_string_append (config_file, path))
3364 return FALSE;
3365 }
3366 }
3367 }
3368 return TRUE;
3369 }
3370
3371 /* See comment in dbus-sysdeps-unix.c */
3372 dbus_bool_t
3373 _dbus_lookup_session_address (dbus_bool_t *supported,
3374 DBusString *address,
3375 DBusError *error)
3376 {
3377 /* Probably fill this in with something based on COM? */
3378 *supported = FALSE;
3379 return TRUE;
3380 }
3381
3395 dbus_bool_t
3396 _dbus_append_keyring_directory_for_credentials (DBusString *directory,
3397 DBusCredentials *credentials)
3398 {
3399 DBusString homedir;
3400 DBusString dotdir;
3401 const char *homepath;
3402 const char *homedrive;
3403
3404 _dbus_assert (credentials != NULL);
3405 _dbus_assert (!_dbus_credentials_are_anonymous (credentials));
3406
3407 if (!_dbus_string_init (&homedir))
3408 return FALSE;
3409
3410 homedrive = _dbus_getenv("HOMEDRIVE");
3411 if (homedrive != NULL && *homedrive != '\0')
3412 {
3413 _dbus_string_append(&homedir,homedrive);
3414 }
3415
3416 homepath = _dbus_getenv("HOMEPATH");
3417 if (homepath != NULL && *homepath != '\0')
3418 {
3419 _dbus_string_append(&homedir,homepath);
3420 }
3421
3422 #ifdef DBUS_ENABLE_EMBEDDED_TESTS
3423 {
3424 const char *override;
3425
3426 override = _dbus_getenv ("DBUS_TEST_HOMEDIR");
3427 if (override != NULL && *override != '\0')
3428 {
3429 _dbus_string_set_length (&homedir, 0);
3430 if (!_dbus_string_append (&homedir, override))
3431 goto failed;
3432
3433 _dbus_verbose ("Using fake homedir for testing: %s\n",
3434 _dbus_string_get_const_data (&homedir));
3435 }
3436 else
3437 {
3438 /* Not strictly thread-safe, but if we fail at thread-safety here,
3439 * the worst that will happen is some extra warnings. */
3440 static dbus_bool_t already_warned = FALSE;
3441 if (!already_warned)
3442 {
3443 _dbus_warn ("Using your real home directory for testing, set DBUS_TEST_HOMEDIR to avoid\n");
3444 already_warned = TRUE;
3445 }
3446 }
3447 }
3448 #endif
3449
3450 #ifdef DBUS_WINCE
3451 /* It's not possible to create a .something directory in Windows CE
3452 using the file explorer. */
3453 #define KEYRING_DIR "dbus-keyrings"
3454 #else
3455 #define KEYRING_DIR ".dbus-keyrings"
3456 #endif
3457
3458 _dbus_string_init_const (&dotdir, KEYRING_DIR);
3459 if (!_dbus_concat_dir_and_file (&homedir,
3460 &dotdir))
3461 goto failed;
3462
3463 if (!_dbus_string_copy (&homedir, 0,
3464 directory, _dbus_string_get_length (directory))) {
3465 goto failed;
3466 }
3467
3468 _dbus_string_free (&homedir);
3469 return TRUE;
3470
3471 failed:
3472 _dbus_string_free (&homedir);
3473 return FALSE;
3474 }
3475
3481 dbus_bool_t
3482 _dbus_file_exists (const char *file)
3483 {
3484 DWORD attributes = GetFileAttributesA (file);
3485
3486 if (attributes != INVALID_FILE_ATTRIBUTES && GetLastError() != ERROR_PATH_NOT_FOUND)
3487 return TRUE;
3488 else
3489 return FALSE;
3490 }
3491
3499 const char*
3500 _dbus_strerror (int error_number)
3501 {
3502 #ifdef DBUS_WINCE
3503 // TODO
3504 return "unknown";
3505 #else
3506 const char *msg;
3507
3508 switch (error_number)
3509 {
3510 case WSAEINTR:
3511 return "Interrupted function call";
3512 case WSAEACCES:
3513 return "Permission denied";
3514 case WSAEFAULT:
3515 return "Bad address";
3516 case WSAEINVAL:
3517 return "Invalid argument";
3518 case WSAEMFILE:
3519 return "Too many open files";
3520 case WSAEWOULDBLOCK:
3521 return "Resource temporarily unavailable";
3522 case WSAEINPROGRESS:
3523 return "Operation now in progress";
3524 case WSAEALREADY:
3525 return "Operation already in progress";
3526 case WSAENOTSOCK:
3527 return "Socket operation on nonsocket";
3528 case WSAEDESTADDRREQ:
3529 return "Destination address required";
3530 case WSAEMSGSIZE:
3531 return "Message too long";
3532 case WSAEPROTOTYPE:
3533 return "Protocol wrong type for socket";
3534 case WSAENOPROTOOPT:
3535 return "Bad protocol option";
3536 case WSAEPROTONOSUPPORT:
3537 return "Protocol not supported";
3538 case WSAESOCKTNOSUPPORT:
3539 return "Socket type not supported";
3540 case WSAEOPNOTSUPP:
3541 return "Operation not supported";
3542 case WSAEPFNOSUPPORT:
3543 return "Protocol family not supported";
3544 case WSAEAFNOSUPPORT:
3545 return "Address family not supported by protocol family";
3546 case WSAEADDRINUSE:
3547 return "Address already in use";
3548 case WSAEADDRNOTAVAIL:
3549 return "Cannot assign requested address";
3550 case WSAENETDOWN:
3551 return "Network is down";
3552 case WSAENETUNREACH:
3553 return "Network is unreachable";
3554 case WSAENETRESET:
3555 return "Network dropped connection on reset";
3556 case WSAECONNABORTED:
3557 return "Software caused connection abort";
3558 case WSAECONNRESET:
3559 return "Connection reset by peer";
3560 case WSAENOBUFS:
3561 return "No buffer space available";
3562 case WSAEISCONN:
3563 return "Socket is already connected";
3564 case WSAENOTCONN:
3565 return "Socket is not connected";
3566 case WSAESHUTDOWN:
3567 return "Cannot send after socket shutdown";
3568 case WSAETIMEDOUT:
3569 return "Connection timed out";
3570 case WSAECONNREFUSED:
3571 return "Connection refused";
3572 case WSAEHOSTDOWN:
3573 return "Host is down";
3574 case WSAEHOSTUNREACH:
3575 return "No route to host";
3576 case WSAEPROCLIM:
3577 return "Too many processes";
3578 case WSAEDISCON:
3579 return "Graceful shutdown in progress";
3580 case WSATYPE_NOT_FOUND:
3581 return "Class type not found";
3582 case WSAHOST_NOT_FOUND:
3583 return "Host not found";
3584 case WSATRY_AGAIN:
3585 return "Nonauthoritative host not found";
3586 case WSANO_RECOVERY:
3587 return "This is a nonrecoverable error";
3588 case WSANO_DATA:
3589 return "Valid name, no data record of requested type";
3590 case WSA_INVALID_HANDLE:
3591 return "Specified event object handle is invalid";
3592 case WSA_INVALID_PARAMETER:
3593 return "One or more parameters are invalid";
3594 case WSA_IO_INCOMPLETE:
3595 return "Overlapped I/O event object not in signaled state";
3596 case WSA_IO_PENDING:
3597 return "Overlapped operations will complete later";
3598 case WSA_NOT_ENOUGH_MEMORY:
3599 return "Insufficient memory available";
3600 case WSA_OPERATION_ABORTED:
3601 return "Overlapped operation aborted";
3602 #ifdef WSAINVALIDPROCTABLE
3603
3604 case WSAINVALIDPROCTABLE:
3605 return "Invalid procedure table from service provider";
3606 #endif
3607 #ifdef WSAINVALIDPROVIDER
3608
3609 case WSAINVALIDPROVIDER:
3610 return "Invalid service provider version number";
3611 #endif
3612 #ifdef WSAPROVIDERFAILEDINIT
3613
3614 case WSAPROVIDERFAILEDINIT:
3615 return "Unable to initialize a service provider";
3616 #endif
3617
3618 case WSASYSCALLFAILURE:
3619 return "System call failure";
3620 }
3621 msg = strerror (error_number);
3622 if (msg == NULL)
3623 msg = "unknown";
3624
3625 return msg;
3626 #endif //DBUS_WINCE
3627 }
3628
3636 void
3637 _dbus_win_set_error_from_win_error (DBusError *error,
3638 int code)
3639 {
3640 char *msg;
3641
3642 /* As we want the English message, use the A API */
3643 FormatMessageA (FORMAT_MESSAGE_ALLOCATE_BUFFER |
3644 FORMAT_MESSAGE_IGNORE_INSERTS |
3645 FORMAT_MESSAGE_FROM_SYSTEM,
3646 NULL, code, MAKELANGID (LANG_ENGLISH, SUBLANG_ENGLISH_US),
3647 (LPSTR) &msg, 0, NULL);
3648 if (msg)
3649 {
3650 char *msg_copy;
3651
3652 msg_copy = dbus_malloc (strlen (msg));
3653 strcpy (msg_copy, msg);
3654 LocalFree (msg);
3655
3656 dbus_set_error (error, "win32.error", "%s", msg_copy);
3657 }
3658 else
3659 dbus_set_error (error, "win32.error", "Unknown error code %d or FormatMessage failed", code);
3660 }
3661
3662 void
3663 _dbus_win_warn_win_error (const char *message,
3664 unsigned long code)
3665 {
3666 DBusError error;
3667
3668 dbus_error_init (&error);
3669 _dbus_win_set_error_from_win_error (&error, code);
3670 _dbus_warn ("%s: %s\n", message, error.message);
3671 dbus_error_free (&error);
3672 }
3673
3681 dbus_bool_t
3682 _dbus_delete_directory (const DBusString *filename,
3683 DBusError *error)
3684 {
3685 const char *filename_c;
3686
3687 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
3688
3689 filename_c = _dbus_string_get_const_data (filename);
3690
3691 if (RemoveDirectoryA (filename_c) == 0)
3692 {
3693 char *emsg = _dbus_win_error_string (GetLastError ());
3694 dbus_set_error (error, _dbus_win_error_from_last_error (),
3695 "Failed to remove directory %s: %s",
3696 filename_c, emsg);
3697 _dbus_win_free_error_string (emsg);
3698 return FALSE;
3699 }
3700
3701 return TRUE;
3702 }
3703
3710 dbus_bool_t
3711 _dbus_path_is_absolute (const DBusString *filename)
3712 {
3713 if (_dbus_string_get_length (filename) > 0)
3714 return _dbus_string_get_byte (filename, 1) == ':'
3715 || _dbus_string_get_byte (filename, 0) == '\\'
3716 || _dbus_string_get_byte (filename, 0) == '/';
3717 else
3718 return FALSE;
3719 }
3720
3721 dbus_bool_t
3722 _dbus_check_setuid (void)
3723 {
3724 return FALSE;
3725 }
3726
3728 /* tests in dbus-sysdeps-util.c */
3729
_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:918
DBusAtomic
An atomic integer safe to increment or decrement from multiple threads.
Definition: dbus-sysdeps.h:227
DBUS_ERROR_FILE_NOT_FOUND
#define DBUS_ERROR_FILE_NOT_FOUND
Missing file.
Definition: dbus-protocol.h:388
DBUS_ERROR_FILE_EXISTS
#define DBUS_ERROR_FILE_EXISTS
Existing file and the operation you're using does not silently overwrite.
Definition: dbus-protocol.h:390
DBusError::message
const char * message
public error message field
Definition: dbus-errors.h:51
_dbus_atomic_get
dbus_int32_t _dbus_atomic_get(DBusAtomic *atomic)
Atomically get the value of an integer.
Definition: dbus-sysdeps-win.c:3222
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:232
_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:1987
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:743
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_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:3682
dbus_new
#define dbus_new(type, count)
Safe macro for using dbus_malloc().
Definition: dbus-memory.h:58
DBusGUID::as_uint32s
dbus_uint32_t as_uint32s[DBUS_UUID_LENGTH_WORDS]
guid as four uint32 values
Definition: dbus-internals.h:352
_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:3247
_dbus_assert
#define _dbus_assert(condition)
Aborts with an error message if the condition is false.
Definition: dbus-internals.h:135
_dbus_full_duplex_pipe
dbus_bool_t _dbus_full_duplex_pipe(int *fd1, int *fd2, dbus_bool_t blocking, DBusError *error)
Creates a full-duplex pipe (as in socketpair()).
Definition: dbus-sysdeps-win.c:1052
_dbus_write_socket_two
int _dbus_write_socket_two(int 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:583
_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:3722
_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:2467
dbus_error_free
void dbus_error_free(DBusError *error)
Frees an error that's been set (or just initialized), then reinitializes the error as in dbus_error_i...
Definition: dbus-errors.c:211
DBusPollFD
A portable struct pollfd wrapper.
Definition: dbus-sysdeps.h:310
DBusGUID
A globally unique ID ; we have one for each DBusServer, and also one for each machine with libdbus in...
Definition: dbus-internals.h:350
_dbus_accept
int _dbus_accept(int listen_fd)
Accepts a connection on a listening socket.
Definition: dbus-sysdeps-win.c:1835
_DBUS_POLLIN
#define _DBUS_POLLIN
There is data to read.
Definition: dbus-sysdeps.h:294
_dbus_file_exists
dbus_bool_t _dbus_file_exists(const char *file)
Checks if a file exists.
Definition: dbus-sysdeps-win.c:3482
_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:473
_dbus_string_init
dbus_bool_t _dbus_string_init(DBusString *str)
Initializes a string.
Definition: dbus-string.c:175
_dbus_getpid
dbus_pid_t _dbus_getpid(void)
Gets our process ID.
Definition: dbus-sysdeps-win.c:2121
_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:2102
DBUS_ERROR_IO_ERROR
#define DBUS_ERROR_IO_ERROR
Something went wrong reading or writing to a socket, for example.
Definition: dbus-protocol.h:360
_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:763
DBusPollFD::events
short events
Events to poll for.
Definition: dbus-sysdeps.h:313
_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's copied to the d...
Definition: dbus-string.c:1265
_dbus_read_credentials_socket
dbus_bool_t _dbus_read_credentials_socket(int 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:1935
_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:180
_dbus_getenv
const char * _dbus_getenv(const char *varname)
Wrapper for getenv().
Definition: dbus-sysdeps.c:185
_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:3068
_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:614
_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:3711
_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:2187
dbus_pid_t
unsigned long dbus_pid_t
A process ID.
Definition: dbus-sysdeps.h:96
_dbus_atomic_dec
dbus_int32_t _dbus_atomic_dec(DBusAtomic *atomic)
Atomically decrement an integer.
Definition: dbus-sysdeps-win.c:3207
_dbus_fd_set_close_on_exec
void _dbus_fd_set_close_on_exec(intptr_t handle)
Sets the file descriptor to be close on exec.
Definition: dbus-sysdeps-win.c:524
_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:2156
dbus_malloc
void * dbus_malloc(size_t bytes)
Allocates the given number of bytes, as with standard malloc().
Definition: dbus-memory.c:461
_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:2006
_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:361
DBusString
Definition: dbus-string.h:42
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_poll
int _dbus_poll(DBusPollFD *fds, int n_fds, int timeout_milliseconds)
Wrapper for poll().
Definition: dbus-sysdeps-win.c:1169
_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:3177
_DBUS_POLLOUT
#define _DBUS_POLLOUT
Writing now will not block.
Definition: dbus-sysdeps.h:298
_dbus_warn
void _dbus_warn(const char *format,...)
Prints a warning message to stderr.
Definition: dbus-internals.c:230
_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:3396
_dbus_read_socket
int _dbus_read_socket(int fd, DBusString *buffer, int count)
Socket interface.
Definition: dbus-sysdeps-win.c:379
DBusError
Object representing an exception.
Definition: dbus-errors.h:48
_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:2537
_dbus_disable_sigpipe
void _dbus_disable_sigpipe(void)
signal (SIGPIPE, SIG_IGN);
Definition: dbus-sysdeps-win.c:2198
_dbus_send_credentials_socket
dbus_bool_t _dbus_send_credentials_socket(int handle, DBusError *error)
Sends a single nul byte with our UNIX credentials as ancillary data.
Definition: dbus-sysdeps-win.c:1858
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_atomic_inc
dbus_int32_t _dbus_atomic_inc(DBusAtomic *atomic)
Atomically increments an integer.
Definition: dbus-sysdeps-win.c:3192
DBusPollFD::fd
int fd
File descriptor.
Definition: dbus-sysdeps.h:312
_dbus_create_directory
dbus_bool_t _dbus_create_directory(const DBusString *filename, DBusError *error)
Creates a directory; succeeds if the directory is created or already existed.
Definition: dbus-sysdeps-win.c:2211
_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:1139
_DBUS_UNLOCK
#define _DBUS_UNLOCK(name)
Unlocks a global lock.
Definition: dbus-internals.h:330
_dbus_string_free
void _dbus_string_free(DBusString *str)
Frees a string created by _dbus_string_init().
Definition: dbus-string.c:242
_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:2064
TRUE
#define TRUE
Expands to "1".
_dbus_assert_not_reached
#define _dbus_assert_not_reached(explanation)
Aborts with an error message if called.
Definition: dbus-internals.h:145
_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:149
DBUS_ERROR_FAILED
#define DBUS_ERROR_FAILED
A generic error; "something went wrong" - see the error message for more.
Definition: dbus-protocol.h:350
_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:2279
_dbus_strerror_from_errno
const char * _dbus_strerror_from_errno(void)
Get error message from errno.
Definition: dbus-sysdeps.c:783
_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:944
dbus_error_init
void dbus_error_init(DBusError *error)
Initializes a DBusError structure.
Definition: dbus-errors.c:188
_dbus_write_socket
int _dbus_write_socket(int 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:449
_dbus_exit
void _dbus_exit(int code)
Exit the process, returning the given value.
Definition: dbus-sysdeps-win.c:1472
DBUS_ERROR_ACCESS_DENIED
#define DBUS_ERROR_ACCESS_DENIED
Security restrictions don't allow doing what you're trying to do.
Definition: dbus-protocol.h:368
_dbus_get_is_errno_eagain_or_ewouldblock
dbus_bool_t _dbus_get_is_errno_eagain_or_ewouldblock(void)
See if errno is EAGAIN or EWOULDBLOCK (this has to be done differently for Winsock so is abstracted) ...
Definition: dbus-sysdeps-win.c:3258
DBUS_ERROR_NO_MEMORY
#define DBUS_ERROR_NO_MEMORY
There was not enough memory to complete an operation.
Definition: dbus-protocol.h:352
_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:3373
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're running on from the dbus configuration.
Definition: dbus-sysdeps-win.c:2669
_dbus_print_backtrace
void _dbus_print_backtrace(void)
On GNU libc systems, print a crude backtrace to stderr.
Definition: dbus-sysdeps-win.c:2646
_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:785
_DBUS_LOCK
#define _DBUS_LOCK(name)
Locks a global lock, initializing it first if necessary.
Definition: dbus-internals.h:329
_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:737
_dbus_verbose_bytes_of_string
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_close_socket
dbus_bool_t _dbus_close_socket(int fd, DBusError *error)
Closes a file descriptor.
Definition: dbus-sysdeps-win.c:493
_DBUS_ZERO
#define _DBUS_ZERO(object)
Sets all bits in an object to zero.
Definition: dbus-internals.h:179
DBUS_ERROR_INVALID_ARGS
#define DBUS_ERROR_INVALID_ARGS
Invalid arguments passed to a method call.
Definition: dbus-protocol.h:386
DBusPollFD::revents
short revents
Events that occurred.
Definition: dbus-sysdeps.h:314
DBUS_ERROR_LIMITS_EXCEEDED
#define DBUS_ERROR_LIMITS_EXCEEDED
Some limited resource is exhausted.
Definition: dbus-protocol.h:366
_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_sleep_milliseconds
void _dbus_sleep_milliseconds(int milliseconds)
Sleeps the given number of milliseconds.
Definition: dbus-sysdeps-win.c:2142
_dbus_delete_file
dbus_bool_t _dbus_delete_file(const DBusString *filename, DBusError *error)
Deletes the given file.
Definition: dbus-sysdeps-win.c:2326
_dbus_connect_tcp_socket
int _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:1489
_dbus_listen_tcp_socket
int _dbus_listen_tcp_socket(const char *host, const char *port, const char *family, DBusString *retport, int **fds_p, DBusError *error)
Creates a socket and binds it to the given path, then listens on the socket.
Definition: dbus-sysdeps-win.c:1635
_dbus_generate_random_bytes
dbus_bool_t _dbus_generate_random_bytes(DBusString *str, int n_bytes)
Generates the given number of random bytes, using the best mechanism we can come up with...
Definition: dbus-sysdeps-win.c:2244
_DBUS_POLLERR
#define _DBUS_POLLERR
Error condition.
Definition: dbus-sysdeps.h:300
_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:2048