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 <wincrypt.h>
56 #include <iphlpapi.h>
57
58 /* Declarations missing in mingw's and windows sdk 7.0 headers */
59 extern BOOL WINAPI ConvertStringSidToSidA (LPCSTR StringSid, PSID *Sid);
60 extern BOOL WINAPI ConvertSidToStringSidA (PSID Sid, LPSTR *StringSid);
61
62 #include <stdio.h>
63 #include <stdlib.h>
64
65 #include <string.h>
66 #if HAVE_ERRNO_H
67 #include <errno.h>
68 #endif
69 #ifndef DBUS_WINCE
70 #include <mbstring.h>
71 #include <sys/stat.h>
72 #include <sys/types.h>
73 #endif
74
75 #ifdef HAVE_WS2TCPIP_H
76 /* getaddrinfo for Windows CE (and Windows). */
77 #include <ws2tcpip.h>
78 #endif
79
80 #ifndef O_BINARY
81 #define O_BINARY 0
82 #endif
83
84 #ifndef PROCESS_QUERY_LIMITED_INFORMATION
85 /* MinGW32 < 4 does not define this value in its headers */
86 #define PROCESS_QUERY_LIMITED_INFORMATION (0x1000)
87 #endif
88
89 typedef int socklen_t;
90
91
92 void
93 _dbus_win_set_errno (int err)
94 {
95 #ifdef DBUS_WINCE
96 SetLastError (err);
97 #else
98 errno = err;
99 #endif
100 }
101
102 static BOOL is_winxp_sp3_or_lower();
103
104 /*
105 * _MIB_TCPROW_EX and friends are not available in system headers
106 * and are mapped to attribute identical ...OWNER_PID typedefs.
107 */
108 typedef MIB_TCPROW_OWNER_PID _MIB_TCPROW_EX;
109 typedef MIB_TCPTABLE_OWNER_PID MIB_TCPTABLE_EX;
110 typedef PMIB_TCPTABLE_OWNER_PID PMIB_TCPTABLE_EX;
111 typedef DWORD (WINAPI *ProcAllocateAndGetTcpExtTableFromStack)(PMIB_TCPTABLE_EX*,BOOL,HANDLE,DWORD,DWORD);
112 static ProcAllocateAndGetTcpExtTableFromStack lpfnAllocateAndGetTcpExTableFromStack = NULL;
113
119 static BOOL
120 load_ex_ip_helper_procedures(void)
121 {
122 HMODULE hModule = LoadLibrary ("iphlpapi.dll");
123 if (hModule == NULL)
124 {
125 _dbus_verbose ("could not load iphlpapi.dll\n");
126 return FALSE;
127 }
128
129 lpfnAllocateAndGetTcpExTableFromStack = (ProcAllocateAndGetTcpExtTableFromStack)GetProcAddress (hModule, "AllocateAndGetTcpExTableFromStack");
130 if (lpfnAllocateAndGetTcpExTableFromStack == NULL)
131 {
132 _dbus_verbose ("could not find function AllocateAndGetTcpExTableFromStack in iphlpapi.dll\n");
133 return FALSE;
134 }
135 return TRUE;
136 }
137
144 static dbus_pid_t
145 get_pid_from_extended_tcp_table(int peer_port)
146 {
147 dbus_pid_t result;
148 DWORD errorCode, size = 0, i;
149 MIB_TCPTABLE_OWNER_PID *tcp_table;
150
151 if ((errorCode =
152 GetExtendedTcpTable (NULL, &size, TRUE, AF_INET, TCP_TABLE_OWNER_PID_ALL, 0)) == ERROR_INSUFFICIENT_BUFFER)
153 {
154 tcp_table = (MIB_TCPTABLE_OWNER_PID *) dbus_malloc (size);
155 if (tcp_table == NULL)
156 {
157 _dbus_verbose ("Error allocating memory\n");
158 return 0;
159 }
160 }
161 else
162 {
163 _dbus_win_warn_win_error ("unexpected error returned from GetExtendedTcpTable", errorCode);
164 return 0;
165 }
166
167 if ((errorCode = GetExtendedTcpTable (tcp_table, &size, TRUE, AF_INET, TCP_TABLE_OWNER_PID_ALL, 0)) != NO_ERROR)
168 {
169 _dbus_verbose ("Error fetching tcp table %d\n", (int)errorCode);
170 dbus_free (tcp_table);
171 return 0;
172 }
173
174 result = 0;
175 for (i = 0; i < tcp_table->dwNumEntries; i++)
176 {
177 MIB_TCPROW_OWNER_PID *p = &tcp_table->table[i];
178 int local_address = ntohl (p->dwLocalAddr);
179 int local_port = ntohs (p->dwLocalPort);
180 if (p->dwState == MIB_TCP_STATE_ESTAB
181 && local_address == INADDR_LOOPBACK && local_port == peer_port)
182 result = p->dwOwningPid;
183 }
184
185 dbus_free (tcp_table);
186 _dbus_verbose ("got pid %lu\n", result);
187 return result;
188 }
189
197 static dbus_pid_t
198 get_pid_from_tcp_ex_table(int peer_port)
199 {
200 dbus_pid_t result;
201 DWORD errorCode, i;
202 PMIB_TCPTABLE_EX tcp_table = NULL;
203
204 if (!load_ex_ip_helper_procedures ())
205 {
206 _dbus_verbose
207 ("Error not been able to load iphelper procedures\n");
208 return 0;
209 }
210
211 errorCode = lpfnAllocateAndGetTcpExTableFromStack (&tcp_table, TRUE, GetProcessHeap(), 0, 2);
212
213 if (errorCode != NO_ERROR)
214 {
215 _dbus_verbose
216 ("Error not been able to call AllocateAndGetTcpExTableFromStack()\n");
217 return 0;
218 }
219
220 result = 0;
221 for (i = 0; i < tcp_table->dwNumEntries; i++)
222 {
223 _MIB_TCPROW_EX *p = &tcp_table->table[i];
224 int local_port = ntohs (p->dwLocalPort);
225 int local_address = ntohl (p->dwLocalAddr);
226 if (local_address == INADDR_LOOPBACK && local_port == peer_port)
227 {
228 result = p->dwOwningPid;
229 break;
230 }
231 }
232
233 HeapFree (GetProcessHeap(), 0, tcp_table);
234 _dbus_verbose ("got pid %lu\n", result);
235 return result;
236 }
237
243 static dbus_pid_t
244 _dbus_get_peer_pid_from_tcp_handle (int handle)
245 {
246 struct sockaddr_storage addr;
247 socklen_t len = sizeof (addr);
248 int peer_port;
249
250 dbus_pid_t result;
251 dbus_bool_t is_localhost = FALSE;
252
253 getpeername (handle, (struct sockaddr *) &addr, &len);
254
255 if (addr.ss_family == AF_INET)
256 {
257 struct sockaddr_in *s = (struct sockaddr_in *) &addr;
258 peer_port = ntohs (s->sin_port);
259 is_localhost = (ntohl (s->sin_addr.s_addr) == INADDR_LOOPBACK);
260 }
261 else if (addr.ss_family == AF_INET6)
262 {
263 _dbus_verbose ("FIXME [61922]: IPV6 support not working on windows\n");
264 return 0;
265 /*
266 struct sockaddr_in6 *s = (struct sockaddr_in6 * )&addr;
267 peer_port = ntohs (s->sin6_port);
268 is_localhost = (memcmp(s->sin6_addr.s6_addr, in6addr_loopback.s6_addr, 16) == 0);
269 _dbus_verbose ("IPV6 %08x %08x\n", s->sin6_addr.s6_addr, in6addr_loopback.s6_addr);
270 */
271 }
272 else
273 {
274 _dbus_verbose ("no idea what address family %d is\n", addr.ss_family);
275 return 0;
276 }
277
278 if (!is_localhost)
279 {
280 _dbus_verbose ("could not fetch process id from remote process\n");
281 return 0;
282 }
283
284 if (peer_port == 0)
285 {
286 _dbus_verbose
287 ("Error not been able to fetch tcp peer port from connection\n");
288 return 0;
289 }
290
291 _dbus_verbose ("trying to get peer's pid\n");
292
293 result = get_pid_from_extended_tcp_table (peer_port);
294 if (result > 0)
295 return result;
296 result = get_pid_from_tcp_ex_table (peer_port);
297 return result;
298 }
299
300 /* Convert GetLastError() to a dbus error. */
301 const char*
302 _dbus_win_error_from_last_error (void)
303 {
304 switch (GetLastError())
305 {
306 case 0:
307 return DBUS_ERROR_FAILED;
308
309 case ERROR_NO_MORE_FILES:
310 case ERROR_TOO_MANY_OPEN_FILES:
311 return DBUS_ERROR_LIMITS_EXCEEDED; /* kernel out of memory */
312
313 case ERROR_ACCESS_DENIED:
314 case ERROR_CANNOT_MAKE:
315 return DBUS_ERROR_ACCESS_DENIED;
316
317 case ERROR_NOT_ENOUGH_MEMORY:
318 return DBUS_ERROR_NO_MEMORY;
319
320 case ERROR_FILE_EXISTS:
321 return DBUS_ERROR_FILE_EXISTS;
322
323 case ERROR_FILE_NOT_FOUND:
324 case ERROR_PATH_NOT_FOUND:
325 return DBUS_ERROR_FILE_NOT_FOUND;
326 }
327
328 return DBUS_ERROR_FAILED;
329 }
330
331
332 char*
333 _dbus_win_error_string (int error_number)
334 {
335 char *msg;
336
337 FormatMessageA (FORMAT_MESSAGE_ALLOCATE_BUFFER |
338 FORMAT_MESSAGE_IGNORE_INSERTS |
339 FORMAT_MESSAGE_FROM_SYSTEM,
340 NULL, error_number, 0,
341 (LPSTR) &msg, 0, NULL);
342
343 if (msg[strlen (msg) - 1] == '\n')
344 msg[strlen (msg) - 1] = '\0';
345 if (msg[strlen (msg) - 1] == '\r')
346 msg[strlen (msg) - 1] = '\0';
347
348 return msg;
349 }
350
351 void
352 _dbus_win_free_error_string (char *string)
353 {
354 LocalFree (string);
355 }
356
377 int
378 _dbus_read_socket (DBusSocket fd,
379 DBusString *buffer,
380 int count)
381 {
382 int bytes_read;
383 int start;
384 char *data;
385
386 _dbus_assert (count >= 0);
387
388 start = _dbus_string_get_length (buffer);
389
390 if (!_dbus_string_lengthen (buffer, count))
391 {
392 _dbus_win_set_errno (ENOMEM);
393 return -1;
394 }
395
396 data = _dbus_string_get_data_len (buffer, start, count);
397
398 again:
399
400 _dbus_verbose ("recv: count=%d fd=%Iu\n", count, fd.sock);
401 bytes_read = recv (fd.sock, data, count, 0);
402
403 if (bytes_read == SOCKET_ERROR)
404 {
405 DBUS_SOCKET_SET_ERRNO();
406 _dbus_verbose ("recv: failed: %s (%d)\n", _dbus_strerror (errno), errno);
407 bytes_read = -1;
408 }
409 else
410 _dbus_verbose ("recv: = %d\n", bytes_read);
411
412 if (bytes_read < 0)
413 {
414 if (errno == EINTR)
415 goto again;
416 else
417 {
418 /* put length back (note that this doesn't actually realloc anything) */
419 _dbus_string_set_length (buffer, start);
420 return -1;
421 }
422 }
423 else
424 {
425 /* put length back (doesn't actually realloc) */
426 _dbus_string_set_length (buffer, start + bytes_read);
427
428 #if 0
429 if (bytes_read > 0)
430 _dbus_verbose_bytes_of_string (buffer, start, bytes_read);
431 #endif
432
433 return bytes_read;
434 }
435 }
436
447 int
448 _dbus_write_socket (DBusSocket fd,
449 const DBusString *buffer,
450 int start,
451 int len)
452 {
453 const char *data;
454 int bytes_written;
455
456 data = _dbus_string_get_const_data_len (buffer, start, len);
457
458 again:
459
460 _dbus_verbose ("send: len=%d fd=%Iu\n", len, fd.sock);
461 bytes_written = send (fd.sock, data, len, 0);
462
463 if (bytes_written == SOCKET_ERROR)
464 {
465 DBUS_SOCKET_SET_ERRNO();
466 _dbus_verbose ("send: failed: %s\n", _dbus_strerror_from_errno ());
467 bytes_written = -1;
468 }
469 else
470 _dbus_verbose ("send: = %d\n", bytes_written);
471
472 if (bytes_written < 0 && errno == EINTR)
473 goto again;
474
475 #if 0
476 if (bytes_written > 0)
477 _dbus_verbose_bytes_of_string (buffer, start, bytes_written);
478 #endif
479
480 return bytes_written;
481 }
482
483
491 dbus_bool_t
492 _dbus_close_socket (DBusSocket fd,
493 DBusError *error)
494 {
495 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
496
497 again:
498 if (closesocket (fd.sock) == SOCKET_ERROR)
499 {
500 DBUS_SOCKET_SET_ERRNO ();
501
502 if (errno == EINTR)
503 goto again;
504
505 dbus_set_error (error, _dbus_error_from_errno (errno),
506 "Could not close socket: socket=%Iu, , %s",
507 fd.sock, _dbus_strerror_from_errno ());
508 return FALSE;
509 }
510 _dbus_verbose ("_dbus_close_socket: socket=%Iu, \n", fd.sock);
511
512 return TRUE;
513 }
514
522 static void
523 _dbus_win_handle_set_close_on_exec (HANDLE handle)
524 {
525 if ( !SetHandleInformation( (HANDLE) handle,
526 HANDLE_FLAG_INHERIT | HANDLE_FLAG_PROTECT_FROM_CLOSE,
527 0 /*disable both flags*/ ) )
528 {
529 _dbus_win_warn_win_error ("Disabling socket handle inheritance failed:", GetLastError());
530 }
531 }
532
540 dbus_bool_t
541 _dbus_set_socket_nonblocking (DBusSocket handle,
542 DBusError *error)
543 {
544 u_long one = 1;
545
546 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
547
548 if (ioctlsocket (handle.sock, FIONBIO, &one) == SOCKET_ERROR)
549 {
550 DBUS_SOCKET_SET_ERRNO ();
551 dbus_set_error (error, _dbus_error_from_errno (errno),
552 "Failed to set socket %Iu to nonblocking: %s",
553 handle.sock, _dbus_strerror_from_errno ());
554 return FALSE;
555 }
556
557 return TRUE;
558 }
559
560
581 int
582 _dbus_write_socket_two (DBusSocket fd,
583 const DBusString *buffer1,
584 int start1,
585 int len1,
586 const DBusString *buffer2,
587 int start2,
588 int len2)
589 {
590 WSABUF vectors[2];
591 const char *data1;
592 const char *data2;
593 int rc;
594 DWORD bytes_written;
595
596 _dbus_assert (buffer1 != NULL);
597 _dbus_assert (start1 >= 0);
598 _dbus_assert (start2 >= 0);
599 _dbus_assert (len1 >= 0);
600 _dbus_assert (len2 >= 0);
601
602
603 data1 = _dbus_string_get_const_data_len (buffer1, start1, len1);
604
605 if (buffer2 != NULL)
606 data2 = _dbus_string_get_const_data_len (buffer2, start2, len2);
607 else
608 {
609 data2 = NULL;
610 start2 = 0;
611 len2 = 0;
612 }
613
614 vectors[0].buf = (char*) data1;
615 vectors[0].len = len1;
616 vectors[1].buf = (char*) data2;
617 vectors[1].len = len2;
618
619 again:
620
621 _dbus_verbose ("WSASend: len1+2=%d+%d fd=%Iu\n", len1, len2, fd.sock);
622 rc = WSASend (fd.sock,
623 vectors,
624 data2 ? 2 : 1,
625 &bytes_written,
626 0,
627 NULL,
628 NULL);
629
630 if (rc == SOCKET_ERROR)
631 {
632 DBUS_SOCKET_SET_ERRNO ();
633 _dbus_verbose ("WSASend: failed: %s\n", _dbus_strerror_from_errno ());
634 bytes_written = -1;
635 }
636 else
637 _dbus_verbose ("WSASend: = %ld\n", bytes_written);
638
639 if (bytes_written < 0 && errno == EINTR)
640 goto again;
641
642 return bytes_written;
643 }
644
645 #if 0
646
655 int
656 _dbus_connect_named_pipe (const char *path,
657 DBusError *error)
658 {
659 _dbus_assert_not_reached ("not implemented");
660 }
661
662 #endif
663
667 dbus_bool_t
668 _dbus_win_startup_winsock (void)
669 {
670 /* Straight from MSDN, deuglified */
671
672 /* Protected by _DBUS_LOCK_sysdeps */
673 static dbus_bool_t beenhere = FALSE;
674
675 WORD wVersionRequested;
676 WSADATA wsaData;
677 int err;
678
679 if (!_DBUS_LOCK (sysdeps))
680 return FALSE;
681
682 if (beenhere)
683 goto out;
684
685 wVersionRequested = MAKEWORD (2, 0);
686
687 err = WSAStartup (wVersionRequested, &wsaData);
688 if (err != 0)
689 {
690 _dbus_assert_not_reached ("Could not initialize WinSock");
691 _dbus_abort ();
692 }
693
694 /* Confirm that the WinSock DLL supports 2.0. Note that if the DLL
695 * supports versions greater than 2.0 in addition to 2.0, it will
696 * still return 2.0 in wVersion since that is the version we
697 * requested.
698 */
699 if (LOBYTE (wsaData.wVersion) != 2 ||
700 HIBYTE (wsaData.wVersion) != 0)
701 {
702 _dbus_assert_not_reached ("No usable WinSock found");
703 _dbus_abort ();
704 }
705
706 beenhere = TRUE;
707
708 out:
709 _DBUS_UNLOCK (sysdeps);
710 return TRUE;
711 }
712
713
714
715
716
717
718
719
720
721 /************************************************************************
722
723 UTF / string code
724
725 ************************************************************************/
726
730 int _dbus_printf_string_upper_bound (const char *format,
731 va_list args)
732 {
733 /* MSVCRT's vsnprintf semantics are a bit different */
734 char buf[1024];
735 int bufsize;
736 int len;
737 va_list args_copy;
738
739 bufsize = sizeof (buf);
740 DBUS_VA_COPY (args_copy, args);
741 len = _vsnprintf (buf, bufsize - 1, format, args_copy);
742 va_end (args_copy);
743
744 while (len == -1) /* try again */
745 {
746 char *p;
747
748 bufsize *= 2;
749
750 p = malloc (bufsize);
751
752 if (p == NULL)
753 return -1;
754
755 DBUS_VA_COPY (args_copy, args);
756 len = _vsnprintf (p, bufsize - 1, format, args_copy);
757 va_end (args_copy);
758 free (p);
759 }
760
761 return len;
762 }
763
764
772 wchar_t *
773 _dbus_win_utf8_to_utf16 (const char *str,
774 DBusError *error)
775 {
776 DBusString s;
777 int n;
778 wchar_t *retval;
779
780 _dbus_string_init_const (&s, str);
781
782 if (!_dbus_string_validate_utf8 (&s, 0, _dbus_string_get_length (&s)))
783 {
784 dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid UTF-8");
785 return NULL;
786 }
787
788 n = MultiByteToWideChar (CP_UTF8, 0, str, -1, NULL, 0);
789
790 if (n == 0)
791 {
792 _dbus_win_set_error_from_win_error (error, GetLastError ());
793 return NULL;
794 }
795
796 retval = dbus_new (wchar_t, n);
797
798 if (!retval)
799 {
800 _DBUS_SET_OOM (error);
801 return NULL;
802 }
803
804 if (MultiByteToWideChar (CP_UTF8, 0, str, -1, retval, n) != n)
805 {
806 dbus_free (retval);
807 dbus_set_error_const (error, DBUS_ERROR_FAILED, "MultiByteToWideChar inconsistency");
808 return NULL;
809 }
810
811 return retval;
812 }
813
821 char *
822 _dbus_win_utf16_to_utf8 (const wchar_t *str,
823 DBusError *error)
824 {
825 int n;
826 char *retval;
827
828 n = WideCharToMultiByte (CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL);
829
830 if (n == 0)
831 {
832 _dbus_win_set_error_from_win_error (error, GetLastError ());
833 return NULL;
834 }
835
836 retval = dbus_malloc (n);
837
838 if (!retval)
839 {
840 _DBUS_SET_OOM (error);
841 return NULL;
842 }
843
844 if (WideCharToMultiByte (CP_UTF8, 0, str, -1, retval, n, NULL, NULL) != n)
845 {
846 dbus_free (retval);
847 dbus_set_error_const (error, DBUS_ERROR_FAILED, "WideCharToMultiByte inconsistency");
848 return NULL;
849 }
850
851 return retval;
852 }
853
854
855
856
857
858
859 /************************************************************************
860
861
862 ************************************************************************/
863
864 dbus_bool_t
865 _dbus_win_account_to_sid (const wchar_t *waccount,
866 void **ppsid,
867 DBusError *error)
868 {
869 dbus_bool_t retval = FALSE;
870 DWORD sid_length, wdomain_length;
871 SID_NAME_USE use;
872 wchar_t *wdomain;
873
874 *ppsid = NULL;
875
876 sid_length = 0;
877 wdomain_length = 0;
878 if (!LookupAccountNameW (NULL, waccount, NULL, &sid_length,
879 NULL, &wdomain_length, &use) &&
880 GetLastError () != ERROR_INSUFFICIENT_BUFFER)
881 {
882 _dbus_win_set_error_from_win_error (error, GetLastError ());
883 return FALSE;
884 }
885
886 *ppsid = dbus_malloc (sid_length);
887 if (!*ppsid)
888 {
889 _DBUS_SET_OOM (error);
890 return FALSE;
891 }
892
893 wdomain = dbus_new (wchar_t, wdomain_length);
894 if (!wdomain)
895 {
896 _DBUS_SET_OOM (error);
897 goto out1;
898 }
899
900 if (!LookupAccountNameW (NULL, waccount, (PSID) *ppsid, &sid_length,
901 wdomain, &wdomain_length, &use))
902 {
903 _dbus_win_set_error_from_win_error (error, GetLastError ());
904 goto out2;
905 }
906
907 if (!IsValidSid ((PSID) *ppsid))
908 {
909 dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid SID");
910 goto out2;
911 }
912
913 retval = TRUE;
914
915 out2:
916 dbus_free (wdomain);
917 out1:
918 if (!retval)
919 {
920 dbus_free (*ppsid);
921 *ppsid = NULL;
922 }
923
924 return retval;
925 }
926
936 unsigned long
937 _dbus_pid_for_log (void)
938 {
939 return _dbus_getpid ();
940 }
941
942 #ifndef DBUS_WINCE
943
944 static BOOL is_winxp_sp3_or_lower()
945 {
946 OSVERSIONINFOEX osvi;
947 DWORDLONG dwlConditionMask = 0;
948 int op=VER_LESS_EQUAL;
949
950 // Initialize the OSVERSIONINFOEX structure.
951
952 ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
953 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
954 osvi.dwMajorVersion = 5;
955 osvi.dwMinorVersion = 1;
956 osvi.wServicePackMajor = 3;
957 osvi.wServicePackMinor = 0;
958
959 // Initialize the condition mask.
960
961 VER_SET_CONDITION( dwlConditionMask, VER_MAJORVERSION, op );
962 VER_SET_CONDITION( dwlConditionMask, VER_MINORVERSION, op );
963 VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMAJOR, op );
964 VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMINOR, op );
965
966 // Perform the test.
967
968 return VerifyVersionInfo(
969 &osvi,
970 VER_MAJORVERSION | VER_MINORVERSION |
971 VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
972 dwlConditionMask);
973 }
974
980 dbus_bool_t
981 _dbus_getsid(char **sid, dbus_pid_t process_id)
982 {
983 HANDLE process_token = INVALID_HANDLE_VALUE;
984 TOKEN_USER *token_user = NULL;
985 DWORD n;
986 PSID psid;
987 int retval = FALSE;
988
989 HANDLE process_handle;
990 if (process_id == 0)
991 process_handle = GetCurrentProcess();
992 else if (is_winxp_sp3_or_lower())
993 process_handle = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, process_id);
994 else
995 process_handle = OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, FALSE, process_id);
996
997 if (!OpenProcessToken (process_handle, TOKEN_QUERY, &process_token))
998 {
999 _dbus_win_warn_win_error ("OpenProcessToken failed", GetLastError ());
1000 goto failed;
1001 }
1002 if ((!GetTokenInformation (process_token, TokenUser, NULL, 0, &n)
1003 && GetLastError () != ERROR_INSUFFICIENT_BUFFER)
1004 || (token_user = alloca (n)) == NULL
1005 || !GetTokenInformation (process_token, TokenUser, token_user, n, &n))
1006 {
1007 _dbus_win_warn_win_error ("GetTokenInformation failed", GetLastError ());
1008 goto failed;
1009 }
1010 psid = token_user->User.Sid;
1011 if (!IsValidSid (psid))
1012 {
1013 _dbus_verbose("%s invalid sid\n",__FUNCTION__);
1014 goto failed;
1015 }
1016 if (!ConvertSidToStringSidA (psid, sid))
1017 {
1018 _dbus_verbose("%s invalid sid\n",__FUNCTION__);
1019 goto failed;
1020 }
1021 //okay:
1022 retval = TRUE;
1023
1024 failed:
1025 CloseHandle (process_handle);
1026 if (process_token != INVALID_HANDLE_VALUE)
1027 CloseHandle (process_token);
1028
1029 _dbus_verbose("_dbus_getsid() got '%s' and returns %d\n", *sid, retval);
1030 return retval;
1031 }
1032 #endif
1033
1034 /************************************************************************
1035
1036 pipes
1037
1038 ************************************************************************/
1039
1052 dbus_bool_t
1053 _dbus_socketpair (DBusSocket *fd1,
1054 DBusSocket *fd2,
1055 dbus_bool_t blocking,
1056 DBusError *error)
1057 {
1058 SOCKET temp, socket1 = -1, socket2 = -1;
1059 struct sockaddr_in saddr;
1060 int len;
1061 u_long arg;
1062
1063 if (!_dbus_win_startup_winsock ())
1064 {
1065 _DBUS_SET_OOM (error);
1066 return FALSE;
1067 }
1068
1069 temp = socket (AF_INET, SOCK_STREAM, 0);
1070 if (temp == INVALID_SOCKET)
1071 {
1072 DBUS_SOCKET_SET_ERRNO ();
1073 goto out0;
1074 }
1075
1076 _DBUS_ZERO (saddr);
1077 saddr.sin_family = AF_INET;
1078 saddr.sin_port = 0;
1079 saddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
1080
1081 if (bind (temp, (struct sockaddr *)&saddr, sizeof (saddr)) == SOCKET_ERROR)
1082 {
1083 DBUS_SOCKET_SET_ERRNO ();
1084 goto out0;
1085 }
1086
1087 if (listen (temp, 1) == SOCKET_ERROR)
1088 {
1089 DBUS_SOCKET_SET_ERRNO ();
1090 goto out0;
1091 }
1092
1093 len = sizeof (saddr);
1094 if (getsockname (temp, (struct sockaddr *)&saddr, &len) == SOCKET_ERROR)
1095 {
1096 DBUS_SOCKET_SET_ERRNO ();
1097 goto out0;
1098 }
1099
1100 socket1 = socket (AF_INET, SOCK_STREAM, 0);
1101 if (socket1 == INVALID_SOCKET)
1102 {
1103 DBUS_SOCKET_SET_ERRNO ();
1104 goto out0;
1105 }
1106
1107 if (connect (socket1, (struct sockaddr *)&saddr, len) == SOCKET_ERROR)
1108 {
1109 DBUS_SOCKET_SET_ERRNO ();
1110 goto out1;
1111 }
1112
1113 socket2 = accept (temp, (struct sockaddr *) &saddr, &len);
1114 if (socket2 == INVALID_SOCKET)
1115 {
1116 DBUS_SOCKET_SET_ERRNO ();
1117 goto out1;
1118 }
1119
1120 if (!blocking)
1121 {
1122 arg = 1;
1123 if (ioctlsocket (socket1, FIONBIO, &arg) == SOCKET_ERROR)
1124 {
1125 DBUS_SOCKET_SET_ERRNO ();
1126 goto out2;
1127 }
1128
1129 arg = 1;
1130 if (ioctlsocket (socket2, FIONBIO, &arg) == SOCKET_ERROR)
1131 {
1132 DBUS_SOCKET_SET_ERRNO ();
1133 goto out2;
1134 }
1135 }
1136
1137 fd1->sock = socket1;
1138 fd2->sock = socket2;
1139
1140 _dbus_verbose ("full-duplex pipe %Iu:%Iu <-> %Iu:%Iu\n",
1141 fd1->sock, socket1, fd2->sock, socket2);
1142
1143 closesocket (temp);
1144
1145 return TRUE;
1146
1147 out2:
1148 closesocket (socket2);
1149 out1:
1150 closesocket (socket1);
1151 out0:
1152 closesocket (temp);
1153
1154 dbus_set_error (error, _dbus_error_from_errno (errno),
1155 "Could not setup socket pair: %s",
1156 _dbus_strerror_from_errno ());
1157
1158 return FALSE;
1159 }
1160
1169 int
1170 _dbus_poll (DBusPollFD *fds,
1171 int n_fds,
1172 int timeout_milliseconds)
1173 {
1174 #define USE_CHRIS_IMPL 0
1175
1176 #if USE_CHRIS_IMPL
1177
1178 #define DBUS_POLL_CHAR_BUFFER_SIZE 2000
1179 char msg[DBUS_POLL_CHAR_BUFFER_SIZE];
1180 char *msgp;
1181
1182 int ret = 0;
1183 int i;
1184 struct timeval tv;
1185 int ready;
1186
1187 #define DBUS_STACK_WSAEVENTS 256
1188 WSAEVENT eventsOnStack[DBUS_STACK_WSAEVENTS];
1189 WSAEVENT *pEvents = NULL;
1190 if (n_fds > DBUS_STACK_WSAEVENTS)
1191 pEvents = calloc(sizeof(WSAEVENT), n_fds);
1192 else
1193 pEvents = eventsOnStack;
1194
1195
1196 #ifdef DBUS_ENABLE_VERBOSE_MODE
1197 msgp = msg;
1198 msgp += sprintf (msgp, "WSAEventSelect: to=%d\n\t", timeout_milliseconds);
1199 for (i = 0; i < n_fds; i++)
1200 {
1201 DBusPollFD *fdp = &fds[i];
1202
1203
1204 if (fdp->events & _DBUS_POLLIN)
1205 msgp += sprintf (msgp, "R:%Iu ", fdp->fd.sock);
1206
1207 if (fdp->events & _DBUS_POLLOUT)
1208 msgp += sprintf (msgp, "W:%Iu ", fdp->fd.sock);
1209
1210 msgp += sprintf (msgp, "E:%Iu\n\t", fdp->fd.sock);
1211
1212 // FIXME: more robust code for long msg
1213 // create on heap when msg[] becomes too small
1214 if (msgp >= msg + DBUS_POLL_CHAR_BUFFER_SIZE)
1215 {
1216 _dbus_assert_not_reached ("buffer overflow in _dbus_poll");
1217 }
1218 }
1219
1220 msgp += sprintf (msgp, "\n");
1221 _dbus_verbose ("%s",msg);
1222 #endif
1223 for (i = 0; i < n_fds; i++)
1224 {
1225 DBusPollFD *fdp = &fds[i];
1226 WSAEVENT ev;
1227 long lNetworkEvents = FD_OOB;
1228
1229 ev = WSACreateEvent();
1230
1231 if (fdp->events & _DBUS_POLLIN)
1232 lNetworkEvents |= FD_READ | FD_ACCEPT | FD_CLOSE;
1233
1234 if (fdp->events & _DBUS_POLLOUT)
1235 lNetworkEvents |= FD_WRITE | FD_CONNECT;
1236
1237 WSAEventSelect(fdp->fd.sock, ev, lNetworkEvents);
1238
1239 pEvents[i] = ev;
1240 }
1241
1242
1243 ready = WSAWaitForMultipleEvents (n_fds, pEvents, FALSE, timeout_milliseconds, FALSE);
1244
1245 if (DBUS_SOCKET_API_RETURNS_ERROR (ready))
1246 {
1247 DBUS_SOCKET_SET_ERRNO ();
1248 if (errno != WSAEWOULDBLOCK)
1249 _dbus_verbose ("WSAWaitForMultipleEvents: failed: %s\n", _dbus_strerror_from_errno ());
1250 ret = -1;
1251 }
1252 else if (ready == WSA_WAIT_TIMEOUT)
1253 {
1254 _dbus_verbose ("WSAWaitForMultipleEvents: WSA_WAIT_TIMEOUT\n");
1255 ret = 0;
1256 }
1257 else if (ready >= WSA_WAIT_EVENT_0 && ready < (int)(WSA_WAIT_EVENT_0 + n_fds))
1258 {
1259 msgp = msg;
1260 msgp += sprintf (msgp, "WSAWaitForMultipleEvents: =%d\n\t", ready);
1261
1262 for (i = 0; i < n_fds; i++)
1263 {
1264 DBusPollFD *fdp = &fds[i];
1265 WSANETWORKEVENTS ne;
1266
1267 fdp->revents = 0;
1268
1269 WSAEnumNetworkEvents(fdp->fd.sock, pEvents[i], &ne);
1270
1271 if (ne.lNetworkEvents & (FD_READ | FD_ACCEPT | FD_CLOSE))
1272 fdp->revents |= _DBUS_POLLIN;
1273
1274 if (ne.lNetworkEvents & (FD_WRITE | FD_CONNECT))
1275 fdp->revents |= _DBUS_POLLOUT;
1276
1277 if (ne.lNetworkEvents & (FD_OOB))
1278 fdp->revents |= _DBUS_POLLERR;
1279
1280 if (ne.lNetworkEvents & (FD_READ | FD_ACCEPT | FD_CLOSE))
1281 msgp += sprintf (msgp, "R:%Iu ", fdp->fd.sock);
1282
1283 if (ne.lNetworkEvents & (FD_WRITE | FD_CONNECT))
1284 msgp += sprintf (msgp, "W:%Iu ", fdp->fd.sock);
1285
1286 if (ne.lNetworkEvents & (FD_OOB))
1287 msgp += sprintf (msgp, "E:%Iu ", fdp->fd.sock);
1288
1289 msgp += sprintf (msgp, "lNetworkEvents:%d ", ne.lNetworkEvents);
1290
1291 if(ne.lNetworkEvents)
1292 ret++;
1293
1294 WSAEventSelect(fdp->fd.sock, pEvents[i], 0);
1295 }
1296
1297 msgp += sprintf (msgp, "\n");
1298 _dbus_verbose ("%s",msg);
1299 }
1300 else
1301 {
1302 _dbus_verbose ("WSAWaitForMultipleEvents: failed for unknown reason!");
1303 ret = -1;
1304 }
1305
1306 for(i = 0; i < n_fds; i++)
1307 {
1308 WSACloseEvent(pEvents[i]);
1309 }
1310
1311 if (n_fds > DBUS_STACK_WSAEVENTS)
1312 free(pEvents);
1313
1314 return ret;
1315
1316 #else /* USE_CHRIS_IMPL */
1317
1318 #define DBUS_POLL_CHAR_BUFFER_SIZE 2000
1319 char msg[DBUS_POLL_CHAR_BUFFER_SIZE];
1320 char *msgp;
1321
1322 fd_set read_set, write_set, err_set;
1323 SOCKET max_fd = 0;
1324 int i;
1325 struct timeval tv;
1326 int ready;
1327
1328 FD_ZERO (&read_set);
1329 FD_ZERO (&write_set);
1330 FD_ZERO (&err_set);
1331
1332
1333 #ifdef DBUS_ENABLE_VERBOSE_MODE
1334 msgp = msg;
1335 msgp += sprintf (msgp, "select: to=%d\n\t", timeout_milliseconds);
1336 for (i = 0; i < n_fds; i++)
1337 {
1338 DBusPollFD *fdp = &fds[i];
1339
1340
1341 if (fdp->events & _DBUS_POLLIN)
1342 msgp += sprintf (msgp, "R:%Iu ", fdp->fd.sock);
1343
1344 if (fdp->events & _DBUS_POLLOUT)
1345 msgp += sprintf (msgp, "W:%Iu ", fdp->fd.sock);
1346
1347 msgp += sprintf (msgp, "E:%Iu\n\t", fdp->fd.sock);
1348
1349 // FIXME: more robust code for long msg
1350 // create on heap when msg[] becomes too small
1351 if (msgp >= msg + DBUS_POLL_CHAR_BUFFER_SIZE)
1352 {
1353 _dbus_assert_not_reached ("buffer overflow in _dbus_poll");
1354 }
1355 }
1356
1357 msgp += sprintf (msgp, "\n");
1358 _dbus_verbose ("%s",msg);
1359 #endif
1360 for (i = 0; i < n_fds; i++)
1361 {
1362 DBusPollFD *fdp = &fds[i];
1363
1364 if (fdp->events & _DBUS_POLLIN)
1365 FD_SET (fdp->fd.sock, &read_set);
1366
1367 if (fdp->events & _DBUS_POLLOUT)
1368 FD_SET (fdp->fd.sock, &write_set);
1369
1370 FD_SET (fdp->fd.sock, &err_set);
1371
1372 max_fd = MAX (max_fd, fdp->fd.sock);
1373 }
1374
1375 // Avoid random lockups with send(), for lack of a better solution so far
1376 tv.tv_sec = timeout_milliseconds < 0 ? 1 : timeout_milliseconds / 1000;
1377 tv.tv_usec = timeout_milliseconds < 0 ? 0 : (timeout_milliseconds % 1000) * 1000;
1378
1379 ready = select (max_fd + 1, &read_set, &write_set, &err_set, &tv);
1380
1381 if (DBUS_SOCKET_API_RETURNS_ERROR (ready))
1382 {
1383 DBUS_SOCKET_SET_ERRNO ();
1384 if (errno != WSAEWOULDBLOCK)
1385 _dbus_verbose ("select: failed: %s\n", _dbus_strerror_from_errno ());
1386 }
1387 else if (ready == 0)
1388 _dbus_verbose ("select: = 0\n");
1389 else
1390 if (ready > 0)
1391 {
1392 #ifdef DBUS_ENABLE_VERBOSE_MODE
1393 msgp = msg;
1394 msgp += sprintf (msgp, "select: = %d:\n\t", ready);
1395
1396 for (i = 0; i < n_fds; i++)
1397 {
1398 DBusPollFD *fdp = &fds[i];
1399
1400 if (FD_ISSET (fdp->fd.sock, &read_set))
1401 msgp += sprintf (msgp, "R:%Iu ", fdp->fd.sock);
1402
1403 if (FD_ISSET (fdp->fd.sock, &write_set))
1404 msgp += sprintf (msgp, "W:%Iu ", fdp->fd.sock);
1405
1406 if (FD_ISSET (fdp->fd.sock, &err_set))
1407 msgp += sprintf (msgp, "E:%Iu\n\t", fdp->fd.sock);
1408 }
1409 msgp += sprintf (msgp, "\n");
1410 _dbus_verbose ("%s",msg);
1411 #endif
1412
1413 for (i = 0; i < n_fds; i++)
1414 {
1415 DBusPollFD *fdp = &fds[i];
1416
1417 fdp->revents = 0;
1418
1419 if (FD_ISSET (fdp->fd.sock, &read_set))
1420 fdp->revents |= _DBUS_POLLIN;
1421
1422 if (FD_ISSET (fdp->fd.sock, &write_set))
1423 fdp->revents |= _DBUS_POLLOUT;
1424
1425 if (FD_ISSET (fdp->fd.sock, &err_set))
1426 fdp->revents |= _DBUS_POLLERR;
1427 }
1428 }
1429 return ready;
1430 #endif /* USE_CHRIS_IMPL */
1431 }
1432
1433
1434
1435
1436 /******************************************************************************
1437
1438 Original CVS version of dbus-sysdeps.c
1439
1440 ******************************************************************************/
1441 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
1442 /* dbus-sysdeps.c Wrappers around system/libc features (internal to D-Bus implementation)
1443 *
1444 * Copyright (C) 2002, 2003 Red Hat, Inc.
1445 * Copyright (C) 2003 CodeFactory AB
1446 * Copyright (C) 2005 Novell, Inc.
1447 *
1448 * Licensed under the Academic Free License version 2.1
1449 *
1450 * This program is free software; you can redistribute it and/or modify
1451 * it under the terms of the GNU General Public License as published by
1452 * the Free Software Foundation; either version 2 of the License, or
1453 * (at your option) any later version.
1454 *
1455 * This program is distributed in the hope that it will be useful,
1456 * but WITHOUT ANY WARRANTY; without even the implied warranty of
1457 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1458 * GNU General Public License for more details.
1459 *
1460 * You should have received a copy of the GNU General Public License
1461 * along with this program; if not, write to the Free Software
1462 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
1463 *
1464 */
1465
1466
1472 void
1473 _dbus_exit (int code)
1474 {
1475 _exit (code);
1476 }
1477
1489 DBusSocket
1490 _dbus_connect_tcp_socket (const char *host,
1491 const char *port,
1492 const char *family,
1493 DBusError *error)
1494 {
1495 return _dbus_connect_tcp_socket_with_nonce (host, port, family, (const char*)NULL, error);
1496 }
1497
1498 DBusSocket
1499 _dbus_connect_tcp_socket_with_nonce (const char *host,
1500 const char *port,
1501 const char *family,
1502 const char *noncefile,
1503 DBusError *error)
1504 {
1505 DBusSocket fd = DBUS_SOCKET_INIT;
1506 int res;
1507 struct addrinfo hints;
1508 struct addrinfo *ai, *tmp;
1509
1510 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
1511
1512 if (!_dbus_win_startup_winsock ())
1513 {
1514 _DBUS_SET_OOM (error);
1515 return _dbus_socket_get_invalid ();
1516 }
1517
1518 _DBUS_ZERO (hints);
1519
1520 if (!family)
1521 hints.ai_family = AF_UNSPEC;
1522 else if (!strcmp(family, "ipv4"))
1523 hints.ai_family = AF_INET;
1524 else if (!strcmp(family, "ipv6"))
1525 hints.ai_family = AF_INET6;
1526 else
1527 {
1528 dbus_set_error (error,
1529 DBUS_ERROR_INVALID_ARGS,
1530 "Unknown address family %s", family);
1531 return _dbus_socket_get_invalid ();
1532 }
1533 hints.ai_protocol = IPPROTO_TCP;
1534 hints.ai_socktype = SOCK_STREAM;
1535 #ifdef AI_ADDRCONFIG
1536 hints.ai_flags = AI_ADDRCONFIG;
1537 #else
1538 hints.ai_flags = 0;
1539 #endif
1540
1541 if ((res = getaddrinfo(host, port, &hints, &ai)) != 0 || !ai)
1542 {
1543 dbus_set_error (error,
1544 _dbus_error_from_errno (res),
1545 "Failed to lookup host/port: \"%s:%s\": %s (%d)",
1546 host, port, _dbus_strerror(res), res);
1547 return _dbus_socket_get_invalid ();
1548 }
1549
1550 tmp = ai;
1551 while (tmp)
1552 {
1553 if ((fd.sock = socket (tmp->ai_family, SOCK_STREAM, 0)) == INVALID_SOCKET)
1554 {
1555 DBUS_SOCKET_SET_ERRNO ();
1556 dbus_set_error (error,
1557 _dbus_error_from_errno (errno),
1558 "Failed to open socket: %s",
1559 _dbus_strerror_from_errno ());
1560 freeaddrinfo(ai);
1561 return _dbus_socket_get_invalid ();
1562 }
1563 _DBUS_ASSERT_ERROR_IS_CLEAR(error);
1564
1565 if (connect (fd.sock, (struct sockaddr*) tmp->ai_addr, tmp->ai_addrlen) == SOCKET_ERROR)
1566 {
1567 DBUS_SOCKET_SET_ERRNO ();
1568 closesocket(fd.sock);
1569 fd.sock = INVALID_SOCKET;
1570 tmp = tmp->ai_next;
1571 continue;
1572 }
1573
1574 break;
1575 }
1576 freeaddrinfo(ai);
1577
1578 if (!_dbus_socket_is_valid (fd))
1579 {
1580 dbus_set_error (error,
1581 _dbus_error_from_errno (errno),
1582 "Failed to connect to socket \"%s:%s\" %s",
1583 host, port, _dbus_strerror_from_errno ());
1584 return _dbus_socket_get_invalid ();
1585 }
1586
1587 if (noncefile != NULL)
1588 {
1589 DBusString noncefileStr;
1590 dbus_bool_t ret;
1591 if (!_dbus_string_init (&noncefileStr) ||
1592 !_dbus_string_append(&noncefileStr, noncefile))
1593 {
1594 closesocket (fd.sock);
1595 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
1596 return _dbus_socket_get_invalid ();
1597 }
1598
1599 ret = _dbus_send_nonce (fd, &noncefileStr, error);
1600
1601 _dbus_string_free (&noncefileStr);
1602
1603 if (!ret)
1604 {
1605 closesocket (fd.sock);
1606 return _dbus_socket_get_invalid ();
1607 }
1608 }
1609
1610 /* Every SOCKET is also a HANDLE. */
1611 _dbus_win_handle_set_close_on_exec ((HANDLE) fd.sock);
1612
1613 if (!_dbus_set_socket_nonblocking (fd, error))
1614 {
1615 closesocket (fd.sock);
1616 return _dbus_socket_get_invalid ();
1617 }
1618
1619 return fd;
1620 }
1621
1637 int
1638 _dbus_listen_tcp_socket (const char *host,
1639 const char *port,
1640 const char *family,
1641 DBusString *retport,
1642 DBusSocket **fds_p,
1643 DBusError *error)
1644 {
1645 DBusSocket *listen_fd = NULL;
1646 int nlisten_fd = 0, res, i, port_num = -1;
1647 struct addrinfo hints;
1648 struct addrinfo *ai, *tmp;
1649
1650 // On Vista, sockaddr_gen must be a sockaddr_in6, and not a sockaddr_in6_old
1651 //That's required for family == IPv6(which is the default on Vista if family is not given)
1652 //So we use our own union instead of sockaddr_gen:
1653
1654 typedef union {
1655 struct sockaddr Address;
1656 struct sockaddr_in AddressIn;
1657 struct sockaddr_in6 AddressIn6;
1658 } mysockaddr_gen;
1659
1660 *fds_p = NULL;
1661 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
1662
1663 if (!_dbus_win_startup_winsock ())
1664 {
1665 _DBUS_SET_OOM (error);
1666 return -1;
1667 }
1668
1669 _DBUS_ZERO (hints);
1670
1671 if (!family)
1672 hints.ai_family = AF_INET;
1673 else if (!strcmp(family, "ipv4"))
1674 hints.ai_family = AF_INET;
1675 else if (!strcmp(family, "ipv6"))
1676 hints.ai_family = AF_INET6;
1677 else
1678 {
1679 dbus_set_error (error,
1680 DBUS_ERROR_INVALID_ARGS,
1681 "Unknown address family %s", family);
1682 return -1;
1683 }
1684
1685 hints.ai_protocol = IPPROTO_TCP;
1686 hints.ai_socktype = SOCK_STREAM;
1687 #ifdef AI_ADDRCONFIG
1688 hints.ai_flags = AI_ADDRCONFIG | AI_PASSIVE;
1689 #else
1690 hints.ai_flags = AI_PASSIVE;
1691 #endif
1692
1693 redo_lookup_with_port:
1694 if ((res = getaddrinfo(host, port, &hints, &ai)) != 0 || !ai)
1695 {
1696 dbus_set_error (error,
1697 _dbus_error_from_errno (res),
1698 "Failed to lookup host/port: \"%s:%s\": %s (%d)",
1699 host ? host : "*", port, _dbus_strerror(res), res);
1700 return -1;
1701 }
1702
1703 tmp = ai;
1704 while (tmp)
1705 {
1706 DBusSocket fd = DBUS_SOCKET_INIT, *newlisten_fd;
1707 if ((fd.sock = socket (tmp->ai_family, SOCK_STREAM, 0)) == INVALID_SOCKET)
1708 {
1709 DBUS_SOCKET_SET_ERRNO ();
1710 dbus_set_error (error,
1711 _dbus_error_from_errno (errno),
1712 "Failed to open socket: %s",
1713 _dbus_strerror_from_errno ());
1714 goto failed;
1715 }
1716 _DBUS_ASSERT_ERROR_IS_CLEAR(error);
1717
1718 if (bind (fd.sock, (struct sockaddr*) tmp->ai_addr, tmp->ai_addrlen) == SOCKET_ERROR)
1719 {
1720 DBUS_SOCKET_SET_ERRNO ();
1721 closesocket (fd.sock);
1722 if (errno == WSAEADDRINUSE)
1723 {
1724 /* Calling this function with port=0 tries to
1725 * bind the same port twice, so we should
1726 * ignore the second bind.
1727 */
1728 tmp = tmp->ai_next;
1729 continue;
1730 }
1731 dbus_set_error (error, _dbus_error_from_errno (errno),
1732 "Failed to bind socket \"%s:%s\": %s",
1733 host ? host : "*", port, _dbus_strerror_from_errno ());
1734 goto failed;
1735 }
1736
1737 if (listen (fd.sock, 30 /* backlog */) == SOCKET_ERROR)
1738 {
1739 DBUS_SOCKET_SET_ERRNO ();
1740 dbus_set_error (error, _dbus_error_from_errno (errno),
1741 "Failed to listen on socket \"%s:%s\": %s",
1742 host ? host : "*", port, _dbus_strerror_from_errno ());
1743 closesocket (fd.sock);
1744 goto failed;
1745 }
1746
1747 newlisten_fd = dbus_realloc(listen_fd, sizeof(DBusSocket)*(nlisten_fd+1));
1748 if (!newlisten_fd)
1749 {
1750 closesocket (fd.sock);
1751 dbus_set_error (error, DBUS_ERROR_NO_MEMORY,
1752 "Failed to allocate file handle array");
1753 goto failed;
1754 }
1755 listen_fd = newlisten_fd;
1756 listen_fd[nlisten_fd] = fd;
1757 nlisten_fd++;
1758
1759 if (!_dbus_string_get_length(retport))
1760 {
1761 /* If the user didn't specify a port, or used 0, then
1762 the kernel chooses a port. After the first address
1763 is bound to, we need to force all remaining addresses
1764 to use the same port */
1765 if (!port || !strcmp(port, "0"))
1766 {
1767 mysockaddr_gen addr;
1768 socklen_t addrlen = sizeof(addr);
1769 char portbuf[NI_MAXSERV];
1770
1771 if (getsockname(fd.sock, &addr.Address, &addrlen) == SOCKET_ERROR ||
1772 (res = getnameinfo (&addr.Address, addrlen, NULL, 0,
1773 portbuf, sizeof(portbuf),
1774 NI_NUMERICSERV)) != 0)
1775 {
1776 DBUS_SOCKET_SET_ERRNO ();
1777 dbus_set_error (error, _dbus_error_from_errno (errno),
1778 "Failed to resolve port \"%s:%s\": %s",
1779 host ? host : "*", port, _dbus_strerror_from_errno());
1780 goto failed;
1781 }
1782 if (!_dbus_string_append(retport, portbuf))
1783 {
1784 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
1785 goto failed;
1786 }
1787
1788 /* Release current address list & redo lookup */
1789 port = _dbus_string_get_const_data(retport);
1790 freeaddrinfo(ai);
1791 goto redo_lookup_with_port;
1792 }
1793 else
1794 {
1795 if (!_dbus_string_append(retport, port))
1796 {
1797 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
1798 goto failed;
1799 }
1800 }
1801 }
1802
1803 tmp = tmp->ai_next;
1804 }
1805 freeaddrinfo(ai);
1806 ai = NULL;
1807
1808 if (!nlisten_fd)
1809 {
1810 _dbus_win_set_errno (WSAEADDRINUSE);
1811 dbus_set_error (error, _dbus_error_from_errno (errno),
1812 "Failed to bind socket \"%s:%s\": %s",
1813 host ? host : "*", port, _dbus_strerror_from_errno ());
1814 return -1;
1815 }
1816
1817 sscanf(_dbus_string_get_const_data(retport), "%d", &port_num);
1818
1819 for (i = 0 ; i < nlisten_fd ; i++)
1820 {
1821 _dbus_win_handle_set_close_on_exec ((HANDLE) listen_fd[i].sock);
1822 if (!_dbus_set_socket_nonblocking (listen_fd[i], error))
1823 {
1824 goto failed;
1825 }
1826 }
1827
1828 *fds_p = listen_fd;
1829
1830 return nlisten_fd;
1831
1832 failed:
1833 if (ai)
1834 freeaddrinfo(ai);
1835 for (i = 0 ; i < nlisten_fd ; i++)
1836 closesocket (listen_fd[i].sock);
1837 dbus_free(listen_fd);
1838 return -1;
1839 }
1840
1841
1849 DBusSocket
1850 _dbus_accept (DBusSocket listen_fd)
1851 {
1852 DBusSocket client_fd;
1853
1854 retry:
1855 client_fd.sock = accept (listen_fd.sock, NULL, NULL);
1856
1857 if (!_dbus_socket_is_valid (client_fd))
1858 {
1859 DBUS_SOCKET_SET_ERRNO ();
1860 if (errno == EINTR)
1861 goto retry;
1862 }
1863
1864 _dbus_verbose ("client fd %Iu accepted\n", client_fd.sock);
1865
1866 return client_fd;
1867 }
1868
1869
1870
1871
1872 dbus_bool_t
1873 _dbus_send_credentials_socket (DBusSocket handle,
1874 DBusError *error)
1875 {
1876 /* FIXME: for the session bus credentials shouldn't matter (?), but
1877 * for the system bus they are presumably essential. A rough outline
1878 * of a way to implement the credential transfer would be this:
1879 *
1880 * client waits to *read* a byte.
1881 *
1882 * server creates a named pipe with a random name, sends a byte
1883 * contining its length, and its name.
1884 *
1885 * client reads the name, connects to it (using Win32 API).
1886 *
1887 * server waits for connection to the named pipe, then calls
1888 * ImpersonateNamedPipeClient(), notes its now-current credentials,
1889 * calls RevertToSelf(), closes its handles to the named pipe, and
1890 * is done. (Maybe there is some other way to get the SID of a named
1891 * pipe client without having to use impersonation?)
1892 *
1893 * client closes its handles and is done.
1894 *
1895 * Ralf: Why not sending credentials over the given this connection ?
1896 * Using named pipes makes it impossible to be connected from a unix client.
1897 *
1898 */
1899 int bytes_written;
1900 DBusString buf;
1901
1902 _dbus_string_init_const_len (&buf, "\0", 1);
1903 again:
1904 bytes_written = _dbus_write_socket (handle, &buf, 0, 1 );
1905
1906 if (bytes_written < 0 && errno == EINTR)
1907 goto again;
1908
1909 if (bytes_written < 0)
1910 {
1911 dbus_set_error (error, _dbus_error_from_errno (errno),
1912 "Failed to write credentials byte: %s",
1913 _dbus_strerror_from_errno ());
1914 return FALSE;
1915 }
1916 else if (bytes_written == 0)
1917 {
1918 dbus_set_error (error, DBUS_ERROR_IO_ERROR,
1919 "wrote zero bytes writing credentials byte");
1920 return FALSE;
1921 }
1922 else
1923 {
1924 _dbus_assert (bytes_written == 1);
1925 _dbus_verbose ("wrote 1 zero byte, credential sending isn't implemented yet\n");
1926 return TRUE;
1927 }
1928 return TRUE;
1929 }
1930
1949 dbus_bool_t
1950 _dbus_read_credentials_socket (DBusSocket handle,
1951 DBusCredentials *credentials,
1952 DBusError *error)
1953 {
1954 int bytes_read = 0;
1955 DBusString buf;
1956
1957 char *sid = NULL;
1958 dbus_pid_t pid;
1959 int retval = FALSE;
1960
1961 // could fail due too OOM
1962 if (_dbus_string_init (&buf))
1963 {
1964 bytes_read = _dbus_read_socket (handle, &buf, 1 );
1965
1966 if (bytes_read > 0)
1967 _dbus_verbose ("got one zero byte from server\n");
1968
1969 _dbus_string_free (&buf);
1970 }
1971
1972 pid = _dbus_get_peer_pid_from_tcp_handle (handle.sock);
1973 if (pid == 0)
1974 return TRUE;
1975
1976 _dbus_credentials_add_pid (credentials, pid);
1977
1978 if (_dbus_getsid (&sid, pid))
1979 {
1980 if (!_dbus_credentials_add_windows_sid (credentials, sid))
1981 goto out;
1982 }
1983
1984 retval = TRUE;
1985
1986 out:
1987 if (sid)
1988 LocalFree (sid);
1989
1990 return retval;
1991 }
1992
2001 dbus_bool_t
2002 _dbus_check_dir_is_private_to_user (DBusString *dir, DBusError *error)
2003 {
2004 /* TODO */
2005 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
2006 return TRUE;
2007 }
2008
2009
2020 dbus_bool_t
2021 _dbus_concat_dir_and_file (DBusString *dir,
2022 const DBusString *next_component)
2023 {
2024 dbus_bool_t dir_ends_in_slash;
2025 dbus_bool_t file_starts_with_slash;
2026
2027 if (_dbus_string_get_length (dir) == 0 ||
2028 _dbus_string_get_length (next_component) == 0)
2029 return TRUE;
2030
2031 dir_ends_in_slash =
2032 ('/' == _dbus_string_get_byte (dir, _dbus_string_get_length (dir) - 1) ||
2033 '\\' == _dbus_string_get_byte (dir, _dbus_string_get_length (dir) - 1));
2034
2035 file_starts_with_slash =
2036 ('/' == _dbus_string_get_byte (next_component, 0) ||
2037 '\\' == _dbus_string_get_byte (next_component, 0));
2038
2039 if (dir_ends_in_slash && file_starts_with_slash)
2040 {
2041 _dbus_string_shorten (dir, 1);
2042 }
2043 else if (!(dir_ends_in_slash || file_starts_with_slash))
2044 {
2045 if (!_dbus_string_append_byte (dir, '\\'))
2046 return FALSE;
2047 }
2048
2049 return _dbus_string_copy (next_component, 0, dir,
2050 _dbus_string_get_length (dir));
2051 }
2052
2053 /*---------------- DBusCredentials ----------------------------------*/
2054
2062 dbus_bool_t
2063 _dbus_credentials_add_from_user (DBusCredentials *credentials,
2064 const DBusString *username)
2065 {
2066 return _dbus_credentials_add_windows_sid (credentials,
2067 _dbus_string_get_const_data(username));
2068 }
2069
2078 dbus_bool_t
2079 _dbus_credentials_add_from_current_process (DBusCredentials *credentials)
2080 {
2081 dbus_bool_t retval = FALSE;
2082 char *sid = NULL;
2083
2084 if (!_dbus_getsid(&sid, _dbus_getpid()))
2085 goto failed;
2086
2087 if (!_dbus_credentials_add_pid (credentials, _dbus_getpid()))
2088 goto failed;
2089
2090 if (!_dbus_credentials_add_windows_sid (credentials,sid))
2091 goto failed;
2092
2093 retval = TRUE;
2094 goto end;
2095 failed:
2096 retval = FALSE;
2097 end:
2098 if (sid)
2099 LocalFree(sid);
2100
2101 return retval;
2102 }
2103
2116 dbus_bool_t
2117 _dbus_append_user_from_current_process (DBusString *str)
2118 {
2119 dbus_bool_t retval = FALSE;
2120 char *sid = NULL;
2121
2122 if (!_dbus_getsid(&sid, _dbus_getpid()))
2123 return FALSE;
2124
2125 retval = _dbus_string_append (str,sid);
2126
2127 LocalFree(sid);
2128 return retval;
2129 }
2130
2135 dbus_pid_t
2136 _dbus_getpid (void)
2137 {
2138 return GetCurrentProcessId ();
2139 }
2140
2144 dbus_uid_t
2145 _dbus_getuid (void)
2146 {
2147 return DBUS_UID_UNSET;
2148 }
2149
2151 #define NANOSECONDS_PER_SECOND 1000000000
2152
2153 #define MICROSECONDS_PER_SECOND 1000000
2154
2155 #define MILLISECONDS_PER_SECOND 1000
2156
2157 #define NANOSECONDS_PER_MILLISECOND 1000000
2158
2159 #define MICROSECONDS_PER_MILLISECOND 1000
2160
2165 void
2166 _dbus_sleep_milliseconds (int milliseconds)
2167 {
2168 Sleep (milliseconds);
2169 }
2170
2171
2179 void
2180 _dbus_get_real_time (long *tv_sec,
2181 long *tv_usec)
2182 {
2183 FILETIME ft;
2184 dbus_uint64_t time64;
2185
2186 GetSystemTimeAsFileTime (&ft);
2187
2188 memcpy (&time64, &ft, sizeof (time64));
2189
2190 /* Convert from 100s of nanoseconds since 1601-01-01
2191 * to Unix epoch. Yes, this is Y2038 unsafe.
2192 */
2193 time64 -= DBUS_INT64_CONSTANT (116444736000000000);
2194 time64 /= 10;
2195
2196 if (tv_sec)
2197 *tv_sec = time64 / 1000000;
2198
2199 if (tv_usec)
2200 *tv_usec = time64 % 1000000;
2201 }
2202
2210 void
2211 _dbus_get_monotonic_time (long *tv_sec,
2212 long *tv_usec)
2213 {
2214 /* no implementation yet, fall back to wall-clock time */
2215 _dbus_get_real_time (tv_sec, tv_usec);
2216 }
2217
2221 void
2222 _dbus_disable_sigpipe (void)
2223 {
2224 }
2225
2234 dbus_bool_t
2235 _dbus_create_directory (const DBusString *filename,
2236 DBusError *error)
2237 {
2238 const char *filename_c;
2239
2240 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
2241
2242 filename_c = _dbus_string_get_const_data (filename);
2243
2244 if (!CreateDirectoryA (filename_c, NULL))
2245 {
2246 if (GetLastError () == ERROR_ALREADY_EXISTS)
2247 return TRUE;
2248
2249 dbus_set_error (error, DBUS_ERROR_FAILED,
2250 "Failed to create directory %s: %s\n",
2251 filename_c, _dbus_strerror_from_errno ());
2252 return FALSE;
2253 }
2254 else
2255 return TRUE;
2256 }
2257
2258
2268 dbus_bool_t
2269 _dbus_generate_random_bytes (DBusString *str,
2270 int n_bytes,
2271 DBusError *error)
2272 {
2273 int old_len;
2274 char *p;
2275 HCRYPTPROV hprov;
2276
2277 old_len = _dbus_string_get_length (str);
2278
2279 if (!_dbus_string_lengthen (str, n_bytes))
2280 {
2281 _DBUS_SET_OOM (error);
2282 return FALSE;
2283 }
2284
2285 p = _dbus_string_get_data_len (str, old_len, n_bytes);
2286
2287 if (!CryptAcquireContext (&hprov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
2288 {
2289 _DBUS_SET_OOM (error);
2290 return FALSE;
2291 }
2292
2293 if (!CryptGenRandom (hprov, n_bytes, p))
2294 {
2295 _DBUS_SET_OOM (error);
2296 CryptReleaseContext (hprov, 0);
2297 return FALSE;
2298 }
2299
2300 CryptReleaseContext (hprov, 0);
2301
2302 return TRUE;
2303 }
2304
2311 const char*
2312 _dbus_get_tmpdir(void)
2313 {
2314 /* Protected by _DBUS_LOCK_sysdeps */
2315 static const char* tmpdir = NULL;
2316 static char buf[1000];
2317
2318 if (!_DBUS_LOCK (sysdeps))
2319 return NULL;
2320
2321 if (tmpdir == NULL)
2322 {
2323 char *last_slash;
2324
2325 if (!GetTempPathA (sizeof (buf), buf))
2326 {
2327 _dbus_warn ("GetTempPath failed\n");
2328 _dbus_abort ();
2329 }
2330
2331 /* Drop terminating backslash or slash */
2332 last_slash = _mbsrchr (buf, '\\');
2333 if (last_slash > buf && last_slash[1] == '\0')
2334 last_slash[0] = '\0';
2335 last_slash = _mbsrchr (buf, '/');
2336 if (last_slash > buf && last_slash[1] == '\0')
2337 last_slash[0] = '\0';
2338
2339 tmpdir = buf;
2340 }
2341
2342 _DBUS_UNLOCK (sysdeps);
2343
2344 _dbus_assert(tmpdir != NULL);
2345
2346 return tmpdir;
2347 }
2348
2349
2358 dbus_bool_t
2359 _dbus_delete_file (const DBusString *filename,
2360 DBusError *error)
2361 {
2362 const char *filename_c;
2363
2364 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
2365
2366 filename_c = _dbus_string_get_const_data (filename);
2367
2368 if (DeleteFileA (filename_c) == 0)
2369 {
2370 dbus_set_error (error, DBUS_ERROR_FAILED,
2371 "Failed to delete file %s: %s\n",
2372 filename_c, _dbus_strerror_from_errno ());
2373 return FALSE;
2374 }
2375 else
2376 return TRUE;
2377 }
2378
2379 #if !defined (DBUS_DISABLE_ASSERT) || defined(DBUS_ENABLE_EMBEDDED_TESTS)
2380
2381 #if defined(_MSC_VER) || defined(DBUS_WINCE)
2382 # ifdef BACKTRACES
2383 # undef BACKTRACES
2384 # endif
2385 #else
2386 # define BACKTRACES
2387 #endif
2388
2389 #ifdef BACKTRACES
2390 /*
2391 * Backtrace Generator
2392 *
2393 * Copyright 2004 Eric Poech
2394 * Copyright 2004 Robert Shearman
2395 *
2396 * This library is free software; you can redistribute it and/or
2397 * modify it under the terms of the GNU Lesser General Public
2398 * License as published by the Free Software Foundation; either
2399 * version 2.1 of the License, or (at your option) any later version.
2400 *
2401 * This library is distributed in the hope that it will be useful,
2402 * but WITHOUT ANY WARRANTY; without even the implied warranty of
2403 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
2404 * Lesser General Public License for more details.
2405 *
2406 * You should have received a copy of the GNU Lesser General Public
2407 * License along with this library; if not, write to the Free Software
2408 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
2409 */
2410
2411 #include <winver.h>
2412 #include <imagehlp.h>
2413 #include <stdio.h>
2414
2415 #define DPRINTF(fmt, ...) fprintf (stderr, fmt, ##__VA_ARGS__)
2416
2417 #ifdef _MSC_VER
2418 #define BOOL int
2419
2420 #define __i386__
2421 #endif
2422
2423 //#define MAKE_FUNCPTR(f) static typeof(f) * p##f
2424
2425 //MAKE_FUNCPTR(StackWalk);
2426 //MAKE_FUNCPTR(SymGetModuleBase);
2427 //MAKE_FUNCPTR(SymFunctionTableAccess);
2428 //MAKE_FUNCPTR(SymInitialize);
2429 //MAKE_FUNCPTR(SymGetSymFromAddr);
2430 //MAKE_FUNCPTR(SymGetModuleInfo);
2431 static BOOL (WINAPI *pStackWalk)(
2432 DWORD MachineType,
2433 HANDLE hProcess,
2434 HANDLE hThread,
2435 LPSTACKFRAME StackFrame,
2436 PVOID ContextRecord,
2437 PREAD_PROCESS_MEMORY_ROUTINE ReadMemoryRoutine,
2438 PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
2439 PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
2440 PTRANSLATE_ADDRESS_ROUTINE TranslateAddress
2441 );
2442 #ifdef _WIN64
2443 static DWORD64 (WINAPI *pSymGetModuleBase)(
2444 HANDLE hProcess,
2445 DWORD64 dwAddr
2446 );
2447 static PVOID (WINAPI *pSymFunctionTableAccess)(
2448 HANDLE hProcess,
2449 DWORD64 AddrBase
2450 );
2451 #else
2452 static DWORD (WINAPI *pSymGetModuleBase)(
2453 HANDLE hProcess,
2454 DWORD dwAddr
2455 );
2456 static PVOID (WINAPI *pSymFunctionTableAccess)(
2457 HANDLE hProcess,
2458 DWORD AddrBase
2459 );
2460 #endif
2461 static BOOL (WINAPI *pSymInitialize)(
2462 HANDLE hProcess,
2463 PSTR UserSearchPath,
2464 BOOL fInvadeProcess
2465 );
2466 static BOOL (WINAPI *pSymGetSymFromAddr)(
2467 HANDLE hProcess,
2468 DWORD Address,
2469 PDWORD Displacement,
2470 PIMAGEHLP_SYMBOL Symbol
2471 );
2472 static BOOL (WINAPI *pSymGetModuleInfo)(
2473 HANDLE hProcess,
2474 DWORD dwAddr,
2475 PIMAGEHLP_MODULE ModuleInfo
2476 );
2477 static DWORD (WINAPI *pSymSetOptions)(
2478 DWORD SymOptions
2479 );
2480
2481
2482 static BOOL init_backtrace()
2483 {
2484 HMODULE hmodDbgHelp = LoadLibraryA("dbghelp");
2485 /*
2486 #define GETFUNC(x) \
2487 p##x = (typeof(x)*)GetProcAddress(hmodDbgHelp, #x); \
2488 if (!p##x) \
2489 { \
2490 return FALSE; \
2491 }
2492 */
2493
2494
2495 // GETFUNC(StackWalk);
2496 // GETFUNC(SymGetModuleBase);
2497 // GETFUNC(SymFunctionTableAccess);
2498 // GETFUNC(SymInitialize);
2499 // GETFUNC(SymGetSymFromAddr);
2500 // GETFUNC(SymGetModuleInfo);
2501
2502 #define FUNC(x) #x
2503
2504 pStackWalk = (BOOL (WINAPI *)(
2505 DWORD MachineType,
2506 HANDLE hProcess,
2507 HANDLE hThread,
2508 LPSTACKFRAME StackFrame,
2509 PVOID ContextRecord,
2510 PREAD_PROCESS_MEMORY_ROUTINE ReadMemoryRoutine,
2511 PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
2512 PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
2513 PTRANSLATE_ADDRESS_ROUTINE TranslateAddress
2514 ))GetProcAddress (hmodDbgHelp, FUNC(StackWalk));
2515 #ifdef _WIN64
2516 pSymGetModuleBase=(DWORD64 (WINAPI *)(
2517 HANDLE hProcess,
2518 DWORD64 dwAddr
2519 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleBase));
2520 pSymFunctionTableAccess=(PVOID (WINAPI *)(
2521 HANDLE hProcess,
2522 DWORD64 AddrBase
2523 ))GetProcAddress (hmodDbgHelp, FUNC(SymFunctionTableAccess));
2524 #else
2525 pSymGetModuleBase=(DWORD (WINAPI *)(
2526 HANDLE hProcess,
2527 DWORD dwAddr
2528 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleBase));
2529 pSymFunctionTableAccess=(PVOID (WINAPI *)(
2530 HANDLE hProcess,
2531 DWORD AddrBase
2532 ))GetProcAddress (hmodDbgHelp, FUNC(SymFunctionTableAccess));
2533 #endif
2534 pSymInitialize = (BOOL (WINAPI *)(
2535 HANDLE hProcess,
2536 PSTR UserSearchPath,
2537 BOOL fInvadeProcess
2538 ))GetProcAddress (hmodDbgHelp, FUNC(SymInitialize));
2539 pSymGetSymFromAddr = (BOOL (WINAPI *)(
2540 HANDLE hProcess,
2541 DWORD Address,
2542 PDWORD Displacement,
2543 PIMAGEHLP_SYMBOL Symbol
2544 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetSymFromAddr));
2545 pSymGetModuleInfo = (BOOL (WINAPI *)(
2546 HANDLE hProcess,
2547 DWORD dwAddr,
2548 PIMAGEHLP_MODULE ModuleInfo
2549 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleInfo));
2550 pSymSetOptions = (DWORD (WINAPI *)(
2551 DWORD SymOptions
2552 ))GetProcAddress (hmodDbgHelp, FUNC(SymSetOptions));
2553
2554
2555 pSymSetOptions(SYMOPT_UNDNAME);
2556
2557 pSymInitialize(GetCurrentProcess(), NULL, TRUE);
2558
2559 return TRUE;
2560 }
2561
2562 static void dump_backtrace_for_thread(HANDLE hThread)
2563 {
2564 STACKFRAME sf;
2565 CONTEXT context;
2566 DWORD dwImageType;
2567
2568 if (!pStackWalk)
2569 if (!init_backtrace())
2570 return;
2571
2572 /* can't use this function for current thread as GetThreadContext
2573 * doesn't support getting context from current thread */
2574 if (hThread == GetCurrentThread())
2575 return;
2576
2577 DPRINTF("Backtrace:\n");
2578
2579 _DBUS_ZERO(context);
2580 context.ContextFlags = CONTEXT_FULL;
2581
2582 SuspendThread(hThread);
2583
2584 if (!GetThreadContext(hThread, &context))
2585 {
2586 DPRINTF("Couldn't get thread context (error %ld)\n", GetLastError());
2587 ResumeThread(hThread);
2588 return;
2589 }
2590
2591 _DBUS_ZERO(sf);
2592
2593 #ifdef __i386__
2594 sf.AddrFrame.Offset = context.Ebp;
2595 sf.AddrFrame.Mode = AddrModeFlat;
2596 sf.AddrPC.Offset = context.Eip;
2597 sf.AddrPC.Mode = AddrModeFlat;
2598 dwImageType = IMAGE_FILE_MACHINE_I386;
2599 #elif _M_X64
2600 dwImageType = IMAGE_FILE_MACHINE_AMD64;
2601 sf.AddrPC.Offset = context.Rip;
2602 sf.AddrPC.Mode = AddrModeFlat;
2603 sf.AddrFrame.Offset = context.Rsp;
2604 sf.AddrFrame.Mode = AddrModeFlat;
2605 sf.AddrStack.Offset = context.Rsp;
2606 sf.AddrStack.Mode = AddrModeFlat;
2607 #elif _M_IA64
2608 dwImageType = IMAGE_FILE_MACHINE_IA64;
2609 sf.AddrPC.Offset = context.StIIP;
2610 sf.AddrPC.Mode = AddrModeFlat;
2611 sf.AddrFrame.Offset = context.IntSp;
2612 sf.AddrFrame.Mode = AddrModeFlat;
2613 sf.AddrBStore.Offset= context.RsBSP;
2614 sf.AddrBStore.Mode = AddrModeFlat;
2615 sf.AddrStack.Offset = context.IntSp;
2616 sf.AddrStack.Mode = AddrModeFlat;
2617 #else
2618 # error You need to fill in the STACKFRAME structure for your architecture
2619 #endif
2620
2621 while (pStackWalk(dwImageType, GetCurrentProcess(),
2622 hThread, &sf, &context, NULL, pSymFunctionTableAccess,
2623 pSymGetModuleBase, NULL))
2624 {
2625 BYTE buffer[256];
2626 IMAGEHLP_SYMBOL * pSymbol = (IMAGEHLP_SYMBOL *)buffer;
2627 DWORD dwDisplacement;
2628
2629 pSymbol->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL);
2630 pSymbol->MaxNameLength = sizeof(buffer) - sizeof(IMAGEHLP_SYMBOL) + 1;
2631
2632 if (!pSymGetSymFromAddr(GetCurrentProcess(), sf.AddrPC.Offset,
2633 &dwDisplacement, pSymbol))
2634 {
2635 IMAGEHLP_MODULE ModuleInfo;
2636 ModuleInfo.SizeOfStruct = sizeof(ModuleInfo);
2637
2638 if (!pSymGetModuleInfo(GetCurrentProcess(), sf.AddrPC.Offset,
2639 &ModuleInfo))
2640 DPRINTF("1\t%p\n", (void*)sf.AddrPC.Offset);
2641 else
2642 DPRINTF("2\t%s+0x%lx\n", ModuleInfo.ImageName,
2643 sf.AddrPC.Offset - ModuleInfo.BaseOfImage);
2644 }
2645 else if (dwDisplacement)
2646 DPRINTF("3\t%s+0x%lx\n", pSymbol->Name, dwDisplacement);
2647 else
2648 DPRINTF("4\t%s\n", pSymbol->Name);
2649 }
2650
2651 ResumeThread(hThread);
2652 }
2653
2654 static DWORD WINAPI dump_thread_proc(LPVOID lpParameter)
2655 {
2656 dump_backtrace_for_thread((HANDLE)lpParameter);
2657 return 0;
2658 }
2659
2660 /* cannot get valid context from current thread, so we have to execute
2661 * backtrace from another thread */
2662 static void dump_backtrace()
2663 {
2664 HANDLE hCurrentThread;
2665 HANDLE hThread;
2666 DWORD dwThreadId;
2667 DuplicateHandle(GetCurrentProcess(), GetCurrentThread(),
2668 GetCurrentProcess(), &hCurrentThread, 0, FALSE, DUPLICATE_SAME_ACCESS);
2669 hThread = CreateThread(NULL, 0, dump_thread_proc, (LPVOID)hCurrentThread,
2670 0, &dwThreadId);
2671 WaitForSingleObject(hThread, INFINITE);
2672 CloseHandle(hThread);
2673 CloseHandle(hCurrentThread);
2674 }
2675 #endif
2676 #endif /* asserts or tests enabled */
2677
2678 #ifdef BACKTRACES
2679 void _dbus_print_backtrace(void)
2680 {
2681 init_backtrace();
2682 dump_backtrace();
2683 }
2684 #else
2685 void _dbus_print_backtrace(void)
2686 {
2687 _dbus_verbose (" D-Bus not compiled with backtrace support\n");
2688 }
2689 #endif
2690
2691 static dbus_uint32_t fromAscii(char ascii)
2692 {
2693 if(ascii >= '0' && ascii <= '9')
2694 return ascii - '0';
2695 if(ascii >= 'A' && ascii <= 'F')
2696 return ascii - 'A' + 10;
2697 if(ascii >= 'a' && ascii <= 'f')
2698 return ascii - 'a' + 10;
2699 return 0;
2700 }
2701
2702 dbus_bool_t _dbus_read_local_machine_uuid (DBusGUID *machine_id,
2703 dbus_bool_t create_if_not_found,
2704 DBusError *error)
2705 {
2706 #ifdef DBUS_WINCE
2707 return TRUE;
2708 // TODO
2709 #else
2710 HW_PROFILE_INFOA info;
2711 char *lpc = &info.szHwProfileGuid[0];
2712 dbus_uint32_t u;
2713
2714 // the hw-profile guid lives long enough
2715 if(!GetCurrentHwProfileA(&info))
2716 {
2717 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL); // FIXME
2718 return FALSE;
2719 }
2720
2721 // Form: {12340001-4980-1920-6788-123456789012}
2722 lpc++;
2723 // 12340001
2724 u = ((fromAscii(lpc[0]) << 0) |
2725 (fromAscii(lpc[1]) << 4) |
2726 (fromAscii(lpc[2]) << 8) |
2727 (fromAscii(lpc[3]) << 12) |
2728 (fromAscii(lpc[4]) << 16) |
2729 (fromAscii(lpc[5]) << 20) |
2730 (fromAscii(lpc[6]) << 24) |
2731 (fromAscii(lpc[7]) << 28));
2732 machine_id->as_uint32s[0] = u;
2733
2734 lpc += 9;
2735 // 4980-1920
2736 u = ((fromAscii(lpc[0]) << 0) |
2737 (fromAscii(lpc[1]) << 4) |
2738 (fromAscii(lpc[2]) << 8) |
2739 (fromAscii(lpc[3]) << 12) |
2740 (fromAscii(lpc[5]) << 16) |
2741 (fromAscii(lpc[6]) << 20) |
2742 (fromAscii(lpc[7]) << 24) |
2743 (fromAscii(lpc[8]) << 28));
2744 machine_id->as_uint32s[1] = u;
2745
2746 lpc += 10;
2747 // 6788-1234
2748 u = ((fromAscii(lpc[0]) << 0) |
2749 (fromAscii(lpc[1]) << 4) |
2750 (fromAscii(lpc[2]) << 8) |
2751 (fromAscii(lpc[3]) << 12) |
2752 (fromAscii(lpc[5]) << 16) |
2753 (fromAscii(lpc[6]) << 20) |
2754 (fromAscii(lpc[7]) << 24) |
2755 (fromAscii(lpc[8]) << 28));
2756 machine_id->as_uint32s[2] = u;
2757
2758 lpc += 9;
2759 // 56789012
2760 u = ((fromAscii(lpc[0]) << 0) |
2761 (fromAscii(lpc[1]) << 4) |
2762 (fromAscii(lpc[2]) << 8) |
2763 (fromAscii(lpc[3]) << 12) |
2764 (fromAscii(lpc[4]) << 16) |
2765 (fromAscii(lpc[5]) << 20) |
2766 (fromAscii(lpc[6]) << 24) |
2767 (fromAscii(lpc[7]) << 28));
2768 machine_id->as_uint32s[3] = u;
2769 #endif
2770 return TRUE;
2771 }
2772
2773 static
2774 HANDLE _dbus_global_lock (const char *mutexname)
2775 {
2776 HANDLE mutex;
2777 DWORD gotMutex;
2778
2779 mutex = CreateMutexA( NULL, FALSE, mutexname );
2780 if( !mutex )
2781 {
2782 return FALSE;
2783 }
2784
2785 gotMutex = WaitForSingleObject( mutex, INFINITE );
2786 switch( gotMutex )
2787 {
2788 case WAIT_ABANDONED:
2789 ReleaseMutex (mutex);
2790 CloseHandle (mutex);
2791 return 0;
2792 case WAIT_FAILED:
2793 case WAIT_TIMEOUT:
2794 return 0;
2795 }
2796
2797 return mutex;
2798 }
2799
2800 static
2801 void _dbus_global_unlock (HANDLE mutex)
2802 {
2803 ReleaseMutex (mutex);
2804 CloseHandle (mutex);
2805 }
2806
2807 // for proper cleanup in dbus-daemon
2808 static HANDLE hDBusDaemonMutex = NULL;
2809 static HANDLE hDBusSharedMem = NULL;
2810 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
2811 static const char *cUniqueDBusInitMutex = "UniqueDBusInitMutex";
2812 // sync _dbus_get_autolaunch_address
2813 static const char *cDBusAutolaunchMutex = "DBusAutolaunchMutex";
2814 // mutex to determine if dbus-daemon is already started (per user)
2815 static const char *cDBusDaemonMutex = "DBusDaemonMutex";
2816 // named shm for dbus adress info (per user)
2817 static const char *cDBusDaemonAddressInfo = "DBusDaemonAddressInfo";
2818
2819 static dbus_bool_t
2820 _dbus_get_install_root_as_hash(DBusString *out)
2821 {
2822 DBusString install_path;
2823
2824 char path[MAX_PATH*2];
2825 int path_size = sizeof(path);
2826
2827 if (!_dbus_get_install_root(path,path_size))
2828 return FALSE;
2829
2830 _dbus_string_init(&install_path);
2831 _dbus_string_append(&install_path,path);
2832
2833 _dbus_string_init(out);
2834 _dbus_string_tolower_ascii(&install_path,0,_dbus_string_get_length(&install_path));
2835
2836 if (!_dbus_sha_compute (&install_path, out))
2837 return FALSE;
2838
2839 return TRUE;
2840 }
2841
2842 static dbus_bool_t
2843 _dbus_get_address_string (DBusString *out, const char *basestring, const char *scope)
2844 {
2845 _dbus_string_init(out);
2846 _dbus_string_append(out,basestring);
2847
2848 if (!scope)
2849 {
2850 return TRUE;
2851 }
2852 else if (strcmp(scope,"*install-path") == 0
2853 // for 1.3 compatibility
2854 || strcmp(scope,"install-path") == 0)
2855 {
2856 DBusString temp;
2857 if (!_dbus_get_install_root_as_hash(&temp))
2858 {
2859 _dbus_string_free(out);
2860 return FALSE;
2861 }
2862 _dbus_string_append(out,"-");
2863 _dbus_string_append(out,_dbus_string_get_const_data(&temp));
2864 _dbus_string_free(&temp);
2865 }
2866 else if (strcmp(scope,"*user") == 0)
2867 {
2868 _dbus_string_append(out,"-");
2869 if (!_dbus_append_user_from_current_process(out))
2870 {
2871 _dbus_string_free(out);
2872 return FALSE;
2873 }
2874 }
2875 else if (strlen(scope) > 0)
2876 {
2877 _dbus_string_append(out,"-");
2878 _dbus_string_append(out,scope);
2879 return TRUE;
2880 }
2881 return TRUE;
2882 }
2883
2884 static dbus_bool_t
2885 _dbus_get_shm_name (DBusString *out,const char *scope)
2886 {
2887 return _dbus_get_address_string (out,cDBusDaemonAddressInfo,scope);
2888 }
2889
2890 static dbus_bool_t
2891 _dbus_get_mutex_name (DBusString *out,const char *scope)
2892 {
2893 return _dbus_get_address_string (out,cDBusDaemonMutex,scope);
2894 }
2895
2896 dbus_bool_t
2897 _dbus_daemon_is_session_bus_address_published (const char *scope)
2898 {
2899 HANDLE lock;
2900 DBusString mutex_name;
2901
2902 if (!_dbus_get_mutex_name(&mutex_name,scope))
2903 {
2904 _dbus_string_free( &mutex_name );
2905 return FALSE;
2906 }
2907
2908 if (hDBusDaemonMutex)
2909 return TRUE;
2910
2911 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
2912 lock = _dbus_global_lock( cUniqueDBusInitMutex );
2913
2914 // we use CreateMutex instead of OpenMutex because of possible race conditions,
2915 // see http://msdn.microsoft.com/en-us/library/ms684315%28VS.85%29.aspx
2916 hDBusDaemonMutex = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
2917
2918 /* The client uses mutex ownership to detect a running server, so the server should do so too.
2919 Fortunally the client deletes the mutex in the lock protected area, so checking presence
2920 will work too. */
2921
2922 _dbus_global_unlock( lock );
2923
2924 _dbus_string_free( &mutex_name );
2925
2926 if (hDBusDaemonMutex == NULL)
2927 return FALSE;
2928 if (GetLastError() == ERROR_ALREADY_EXISTS)
2929 {
2930 CloseHandle(hDBusDaemonMutex);
2931 hDBusDaemonMutex = NULL;
2932 return TRUE;
2933 }
2934 // mutex wasn't created before, so return false.
2935 // We leave the mutex name allocated for later reusage
2936 // in _dbus_daemon_publish_session_bus_address.
2937 return FALSE;
2938 }
2939
2940 dbus_bool_t
2941 _dbus_daemon_publish_session_bus_address (const char* address, const char *scope)
2942 {
2943 HANDLE lock;
2944 char *shared_addr = NULL;
2945 DBusString shm_name;
2946 DBusString mutex_name;
2947 dbus_uint64_t len;
2948
2949 _dbus_assert (address);
2950
2951 if (!_dbus_get_mutex_name(&mutex_name,scope))
2952 {
2953 _dbus_string_free( &mutex_name );
2954 return FALSE;
2955 }
2956
2957 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
2958 lock = _dbus_global_lock( cUniqueDBusInitMutex );
2959
2960 if (!hDBusDaemonMutex)
2961 {
2962 hDBusDaemonMutex = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
2963 }
2964 _dbus_string_free( &mutex_name );
2965
2966 // acquire the mutex
2967 if (WaitForSingleObject( hDBusDaemonMutex, 10 ) != WAIT_OBJECT_0)
2968 {
2969 _dbus_global_unlock( lock );
2970 CloseHandle( hDBusDaemonMutex );
2971 return FALSE;
2972 }
2973
2974 if (!_dbus_get_shm_name(&shm_name,scope))
2975 {
2976 _dbus_string_free( &shm_name );
2977 _dbus_global_unlock( lock );
2978 return FALSE;
2979 }
2980
2981 // create shm
2982 len = strlen (address) + 1;
2983
2984 hDBusSharedMem = CreateFileMappingA( INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE,
2985 len >> 32, len & 0xffffffffu,
2986 _dbus_string_get_const_data(&shm_name) );
2987 _dbus_assert( hDBusSharedMem );
2988
2989 shared_addr = MapViewOfFile( hDBusSharedMem, FILE_MAP_WRITE, 0, 0, 0 );
2990
2991 _dbus_assert (shared_addr);
2992
2993 strcpy( shared_addr, address);
2994
2995 // cleanup
2996 UnmapViewOfFile( shared_addr );
2997
2998 _dbus_global_unlock( lock );
2999 _dbus_verbose( "published session bus address at %s\n",_dbus_string_get_const_data (&shm_name) );
3000
3001 _dbus_string_free( &shm_name );
3002 return TRUE;
3003 }
3004
3005 void
3006 _dbus_daemon_unpublish_session_bus_address (void)
3007 {
3008 HANDLE lock;
3009
3010 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
3011 lock = _dbus_global_lock( cUniqueDBusInitMutex );
3012
3013 CloseHandle( hDBusSharedMem );
3014
3015 hDBusSharedMem = NULL;
3016
3017 ReleaseMutex( hDBusDaemonMutex );
3018
3019 CloseHandle( hDBusDaemonMutex );
3020
3021 hDBusDaemonMutex = NULL;
3022
3023 _dbus_global_unlock( lock );
3024 }
3025
3026 static dbus_bool_t
3027 _dbus_get_autolaunch_shm (DBusString *address, DBusString *shm_name)
3028 {
3029 HANDLE sharedMem;
3030 char *shared_addr;
3031 int i;
3032
3033 // read shm
3034 for(i=0;i<20;++i) {
3035 // we know that dbus-daemon is available, so we wait until shm is available
3036 sharedMem = OpenFileMappingA( FILE_MAP_READ, FALSE, _dbus_string_get_const_data(shm_name));
3037 if( sharedMem == 0 )
3038 Sleep( 100 );
3039 if ( sharedMem != 0)
3040 break;
3041 }
3042
3043 if( sharedMem == 0 )
3044 return FALSE;
3045
3046 shared_addr = MapViewOfFile( sharedMem, FILE_MAP_READ, 0, 0, 0 );
3047
3048 if( !shared_addr )
3049 return FALSE;
3050
3051 _dbus_string_init( address );
3052
3053 _dbus_string_append( address, shared_addr );
3054
3055 // cleanup
3056 UnmapViewOfFile( shared_addr );
3057
3058 CloseHandle( sharedMem );
3059
3060 return TRUE;
3061 }
3062
3063 static dbus_bool_t
3064 _dbus_daemon_already_runs (DBusString *address, DBusString *shm_name, const char *scope)
3065 {
3066 HANDLE lock;
3067 HANDLE daemon;
3068 DBusString mutex_name;
3069 dbus_bool_t bRet = TRUE;
3070
3071 if (!_dbus_get_mutex_name(&mutex_name,scope))
3072 {
3073 _dbus_string_free( &mutex_name );
3074 return FALSE;
3075 }
3076
3077 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
3078 lock = _dbus_global_lock( cUniqueDBusInitMutex );
3079
3080 // do checks
3081 daemon = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
3082 if(WaitForSingleObject( daemon, 10 ) != WAIT_TIMEOUT)
3083 {
3084 ReleaseMutex (daemon);
3085 CloseHandle (daemon);
3086
3087 _dbus_global_unlock( lock );
3088 _dbus_string_free( &mutex_name );
3089 return FALSE;
3090 }
3091
3092 // read shm
3093 bRet = _dbus_get_autolaunch_shm( address, shm_name );
3094
3095 // cleanup
3096 CloseHandle ( daemon );
3097
3098 _dbus_global_unlock( lock );
3099 _dbus_string_free( &mutex_name );
3100
3101 return bRet;
3102 }
3103
3104 dbus_bool_t
3105 _dbus_get_autolaunch_address (const char *scope, DBusString *address,
3106 DBusError *error)
3107 {
3108 HANDLE mutex;
3109 STARTUPINFOA si;
3110 PROCESS_INFORMATION pi;
3111 dbus_bool_t retval = FALSE;
3112 LPSTR lpFile;
3113 char dbus_exe_path[MAX_PATH];
3114 char dbus_args[MAX_PATH * 2];
3115 const char * daemon_name = DBUS_DAEMON_NAME ".exe";
3116 DBusString shm_name;
3117
3118 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
3119
3120 if (!_dbus_get_shm_name(&shm_name,scope))
3121 {
3122 dbus_set_error_const (error, DBUS_ERROR_FAILED, "could not determine shm name");
3123 return FALSE;
3124 }
3125
3126 mutex = _dbus_global_lock ( cDBusAutolaunchMutex );
3127
3128 if (_dbus_daemon_already_runs(address,&shm_name,scope))
3129 {
3130 _dbus_verbose( "found running dbus daemon for scope '%s' at %s\n",
3131 scope ? scope : "", _dbus_string_get_const_data (&shm_name) );
3132 retval = TRUE;
3133 goto out;
3134 }
3135
3136 if (!SearchPathA(NULL, daemon_name, NULL, sizeof(dbus_exe_path), dbus_exe_path, &lpFile))
3137 {
3138 // Look in directory containing dbus shared library
3139 HMODULE hmod;
3140 char dbus_module_path[MAX_PATH];
3141 DWORD rc;
3142
3143 _dbus_verbose( "did not found dbus daemon executable on default search path, "
3144 "trying path where dbus shared library is located");
3145
3146 hmod = _dbus_win_get_dll_hmodule();
3147 rc = GetModuleFileNameA(hmod, dbus_module_path, sizeof(dbus_module_path));
3148 if (rc <= 0)
3149 {
3150 dbus_set_error_const (error, DBUS_ERROR_FAILED, "could not retrieve dbus shared library file name");
3151 retval = FALSE;
3152 goto out;
3153 }
3154 else
3155 {
3156 char *ext_idx = strrchr(dbus_module_path, '\\');
3157 if (ext_idx)
3158 *ext_idx = '\0';
3159 if (!SearchPathA(dbus_module_path, daemon_name, NULL, sizeof(dbus_exe_path), dbus_exe_path, &lpFile))
3160 {
3161 dbus_set_error_const (error, DBUS_ERROR_FAILED, "could not find dbus-daemon executable");
3162 retval = FALSE;
3163 printf ("please add the path to %s to your PATH environment variable\n", daemon_name);
3164 printf ("or start the daemon manually\n\n");
3165 goto out;
3166 }
3167 _dbus_verbose( "found dbus daemon executable at %s",dbus_module_path);
3168 }
3169 }
3170
3171
3172 // Create process
3173 ZeroMemory( &si, sizeof(si) );
3174 si.cb = sizeof(si);
3175 ZeroMemory( &pi, sizeof(pi) );
3176
3177 _snprintf(dbus_args, sizeof(dbus_args) - 1, "\"%s\" %s", dbus_exe_path, " --session");
3178
3179 // argv[i] = "--config-file=bus\\session.conf";
3180 // printf("create process \"%s\" %s\n", dbus_exe_path, dbus_args);
3181 if(CreateProcessA(dbus_exe_path, dbus_args, NULL, NULL, FALSE, CREATE_NO_WINDOW, NULL, NULL, &si, &pi))
3182 {
3183 CloseHandle (pi.hThread);
3184 CloseHandle (pi.hProcess);
3185 retval = _dbus_get_autolaunch_shm( address, &shm_name );
3186 if (retval == FALSE)
3187 dbus_set_error_const (error, DBUS_ERROR_FAILED, "Failed to get autolaunch address from launched dbus-daemon");
3188 }
3189 else
3190 {
3191 dbus_set_error_const (error, DBUS_ERROR_FAILED, "Failed to launch dbus-daemon");
3192 retval = FALSE;
3193 }
3194
3195 out:
3196 if (retval)
3197 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
3198 else
3199 _DBUS_ASSERT_ERROR_IS_SET (error);
3200
3201 _dbus_global_unlock (mutex);
3202 _dbus_string_free (&shm_name);
3203
3204 return retval;
3205 }
3206
3207
3214 dbus_bool_t
3215 _dbus_make_file_world_readable(const DBusString *filename,
3216 DBusError *error)
3217 {
3218 // TODO
3219 return TRUE;
3220 }
3221
3229 dbus_int32_t
3230 _dbus_atomic_inc (DBusAtomic *atomic)
3231 {
3232 // +/- 1 is needed here!
3233 // no volatile argument with mingw
3234 return InterlockedIncrement (&atomic->value) - 1;
3235 }
3236
3244 dbus_int32_t
3245 _dbus_atomic_dec (DBusAtomic *atomic)
3246 {
3247 // +/- 1 is needed here!
3248 // no volatile argument with mingw
3249 return InterlockedDecrement (&atomic->value) + 1;
3250 }
3251
3259 dbus_int32_t
3260 _dbus_atomic_get (DBusAtomic *atomic)
3261 {
3262 /* In this situation, GLib issues a MemoryBarrier() and then returns
3263 * atomic->value. However, mingw from mingw.org (not to be confused with
3264 * mingw-w64 from mingw-w64.sf.net) does not have MemoryBarrier in its
3265 * headers, so we have to get a memory barrier some other way.
3266 *
3267 * InterlockedIncrement is older, and is documented on MSDN to be a full
3268 * memory barrier, so let's use that.
3269 */
3270 long dummy = 0;
3271
3272 InterlockedExchange (&dummy, 1);
3273
3274 return atomic->value;
3275 }
3276
3284 void
3285 _dbus_flush_caches (void)
3286 {
3287 }
3288
3295 dbus_bool_t
3296 _dbus_get_is_errno_eagain_or_ewouldblock (int e)
3297 {
3298 return e == WSAEWOULDBLOCK;
3299 }
3300
3308 dbus_bool_t
3309 _dbus_get_install_root(char *prefix, int len)
3310 {
3311 //To find the prefix, we cut the filename and also \bin\ if present
3312 DWORD pathLength;
3313 char *lastSlash;
3314 SetLastError( 0 );
3315 pathLength = GetModuleFileNameA(_dbus_win_get_dll_hmodule(), prefix, len);
3316 if ( pathLength == 0 || GetLastError() != 0 ) {
3317 *prefix = '\0';
3318 return FALSE;
3319 }
3320 lastSlash = _mbsrchr(prefix, '\\');
3321 if (lastSlash == NULL) {
3322 *prefix = '\0';
3323 return FALSE;
3324 }
3325 //cut off binary name
3326 lastSlash[1] = 0;
3327
3328 //cut possible "\\bin"
3329
3330 //this fails if we are in a double-byte system codepage and the
3331 //folder's name happens to end with the *bytes*
3332 //"\\bin"... (I.e. the second byte of some Han character and then
3333 //the Latin "bin", but that is not likely I think...
3334 if (lastSlash - prefix >= 4 && strnicmp(lastSlash - 4, "\\bin", 4) == 0)
3335 lastSlash[-3] = 0;
3336 else if (lastSlash - prefix >= 10 && strnicmp(lastSlash - 10, "\\bin\\debug", 10) == 0)
3337 lastSlash[-9] = 0;
3338 else if (lastSlash - prefix >= 12 && strnicmp(lastSlash - 12, "\\bin\\release", 12) == 0)
3339 lastSlash[-11] = 0;
3340
3341 return TRUE;
3342 }
3343
3344 /* See comment in dbus-sysdeps-unix.c */
3345 dbus_bool_t
3346 _dbus_lookup_session_address (dbus_bool_t *supported,
3347 DBusString *address,
3348 DBusError *error)
3349 {
3350 /* Probably fill this in with something based on COM? */
3351 *supported = FALSE;
3352 return TRUE;
3353 }
3354
3368 dbus_bool_t
3369 _dbus_append_keyring_directory_for_credentials (DBusString *directory,
3370 DBusCredentials *credentials)
3371 {
3372 DBusString homedir;
3373 DBusString dotdir;
3374 const char *homepath;
3375 const char *homedrive;
3376
3377 _dbus_assert (credentials != NULL);
3378 _dbus_assert (!_dbus_credentials_are_anonymous (credentials));
3379
3380 if (!_dbus_string_init (&homedir))
3381 return FALSE;
3382
3383 homedrive = _dbus_getenv("HOMEDRIVE");
3384 if (homedrive != NULL && *homedrive != '\0')
3385 {
3386 _dbus_string_append(&homedir,homedrive);
3387 }
3388
3389 homepath = _dbus_getenv("HOMEPATH");
3390 if (homepath != NULL && *homepath != '\0')
3391 {
3392 _dbus_string_append(&homedir,homepath);
3393 }
3394
3395 #ifdef DBUS_ENABLE_EMBEDDED_TESTS
3396 {
3397 const char *override;
3398
3399 override = _dbus_getenv ("DBUS_TEST_HOMEDIR");
3400 if (override != NULL && *override != '\0')
3401 {
3402 _dbus_string_set_length (&homedir, 0);
3403 if (!_dbus_string_append (&homedir, override))
3404 goto failed;
3405
3406 _dbus_verbose ("Using fake homedir for testing: %s\n",
3407 _dbus_string_get_const_data (&homedir));
3408 }
3409 else
3410 {
3411 /* Not strictly thread-safe, but if we fail at thread-safety here,
3412 * the worst that will happen is some extra warnings. */
3413 static dbus_bool_t already_warned = FALSE;
3414 if (!already_warned)
3415 {
3416 _dbus_warn ("Using your real home directory for testing, set DBUS_TEST_HOMEDIR to avoid\n");
3417 already_warned = TRUE;
3418 }
3419 }
3420 }
3421 #endif
3422
3423 #ifdef DBUS_WINCE
3424 /* It's not possible to create a .something directory in Windows CE
3425 using the file explorer. */
3426 #define KEYRING_DIR "dbus-keyrings"
3427 #else
3428 #define KEYRING_DIR ".dbus-keyrings"
3429 #endif
3430
3431 _dbus_string_init_const (&dotdir, KEYRING_DIR);
3432 if (!_dbus_concat_dir_and_file (&homedir,
3433 &dotdir))
3434 goto failed;
3435
3436 if (!_dbus_string_copy (&homedir, 0,
3437 directory, _dbus_string_get_length (directory))) {
3438 goto failed;
3439 }
3440
3441 _dbus_string_free (&homedir);
3442 return TRUE;
3443
3444 failed:
3445 _dbus_string_free (&homedir);
3446 return FALSE;
3447 }
3448
3454 dbus_bool_t
3455 _dbus_file_exists (const char *file)
3456 {
3457 DWORD attributes = GetFileAttributesA (file);
3458
3459 if (attributes != INVALID_FILE_ATTRIBUTES && GetLastError() != ERROR_PATH_NOT_FOUND)
3460 return TRUE;
3461 else
3462 return FALSE;
3463 }
3464
3472 const char*
3473 _dbus_strerror (int error_number)
3474 {
3475 #ifdef DBUS_WINCE
3476 // TODO
3477 return "unknown";
3478 #else
3479 const char *msg;
3480
3481 switch (error_number)
3482 {
3483 case WSAEINTR:
3484 return "Interrupted function call";
3485 case WSAEACCES:
3486 return "Permission denied";
3487 case WSAEFAULT:
3488 return "Bad address";
3489 case WSAEINVAL:
3490 return "Invalid argument";
3491 case WSAEMFILE:
3492 return "Too many open files";
3493 case WSAEWOULDBLOCK:
3494 return "Resource temporarily unavailable";
3495 case WSAEINPROGRESS:
3496 return "Operation now in progress";
3497 case WSAEALREADY:
3498 return "Operation already in progress";
3499 case WSAENOTSOCK:
3500 return "Socket operation on nonsocket";
3501 case WSAEDESTADDRREQ:
3502 return "Destination address required";
3503 case WSAEMSGSIZE:
3504 return "Message too long";
3505 case WSAEPROTOTYPE:
3506 return "Protocol wrong type for socket";
3507 case WSAENOPROTOOPT:
3508 return "Bad protocol option";
3509 case WSAEPROTONOSUPPORT:
3510 return "Protocol not supported";
3511 case WSAESOCKTNOSUPPORT:
3512 return "Socket type not supported";
3513 case WSAEOPNOTSUPP:
3514 return "Operation not supported";
3515 case WSAEPFNOSUPPORT:
3516 return "Protocol family not supported";
3517 case WSAEAFNOSUPPORT:
3518 return "Address family not supported by protocol family";
3519 case WSAEADDRINUSE:
3520 return "Address already in use";
3521 case WSAEADDRNOTAVAIL:
3522 return "Cannot assign requested address";
3523 case WSAENETDOWN:
3524 return "Network is down";
3525 case WSAENETUNREACH:
3526 return "Network is unreachable";
3527 case WSAENETRESET:
3528 return "Network dropped connection on reset";
3529 case WSAECONNABORTED:
3530 return "Software caused connection abort";
3531 case WSAECONNRESET:
3532 return "Connection reset by peer";
3533 case WSAENOBUFS:
3534 return "No buffer space available";
3535 case WSAEISCONN:
3536 return "Socket is already connected";
3537 case WSAENOTCONN:
3538 return "Socket is not connected";
3539 case WSAESHUTDOWN:
3540 return "Cannot send after socket shutdown";
3541 case WSAETIMEDOUT:
3542 return "Connection timed out";
3543 case WSAECONNREFUSED:
3544 return "Connection refused";
3545 case WSAEHOSTDOWN:
3546 return "Host is down";
3547 case WSAEHOSTUNREACH:
3548 return "No route to host";
3549 case WSAEPROCLIM:
3550 return "Too many processes";
3551 case WSAEDISCON:
3552 return "Graceful shutdown in progress";
3553 case WSATYPE_NOT_FOUND:
3554 return "Class type not found";
3555 case WSAHOST_NOT_FOUND:
3556 return "Host not found";
3557 case WSATRY_AGAIN:
3558 return "Nonauthoritative host not found";
3559 case WSANO_RECOVERY:
3560 return "This is a nonrecoverable error";
3561 case WSANO_DATA:
3562 return "Valid name, no data record of requested type";
3563 case WSA_INVALID_HANDLE:
3564 return "Specified event object handle is invalid";
3565 case WSA_INVALID_PARAMETER:
3566 return "One or more parameters are invalid";
3567 case WSA_IO_INCOMPLETE:
3568 return "Overlapped I/O event object not in signaled state";
3569 case WSA_IO_PENDING:
3570 return "Overlapped operations will complete later";
3571 case WSA_NOT_ENOUGH_MEMORY:
3572 return "Insufficient memory available";
3573 case WSA_OPERATION_ABORTED:
3574 return "Overlapped operation aborted";
3575 #ifdef WSAINVALIDPROCTABLE
3576
3577 case WSAINVALIDPROCTABLE:
3578 return "Invalid procedure table from service provider";
3579 #endif
3580 #ifdef WSAINVALIDPROVIDER
3581
3582 case WSAINVALIDPROVIDER:
3583 return "Invalid service provider version number";
3584 #endif
3585 #ifdef WSAPROVIDERFAILEDINIT
3586
3587 case WSAPROVIDERFAILEDINIT:
3588 return "Unable to initialize a service provider";
3589 #endif
3590
3591 case WSASYSCALLFAILURE:
3592 return "System call failure";
3593 }
3594 msg = strerror (error_number);
3595 if (msg == NULL)
3596 msg = "unknown";
3597
3598 return msg;
3599 #endif //DBUS_WINCE
3600 }
3601
3609 void
3610 _dbus_win_set_error_from_win_error (DBusError *error,
3611 int code)
3612 {
3613 char *msg;
3614
3615 /* As we want the English message, use the A API */
3616 FormatMessageA (FORMAT_MESSAGE_ALLOCATE_BUFFER |
3617 FORMAT_MESSAGE_IGNORE_INSERTS |
3618 FORMAT_MESSAGE_FROM_SYSTEM,
3619 NULL, code, MAKELANGID (LANG_ENGLISH, SUBLANG_ENGLISH_US),
3620 (LPSTR) &msg, 0, NULL);
3621 if (msg)
3622 {
3623 dbus_set_error (error, "win32.error", "%s", msg);
3624 LocalFree (msg);
3625 }
3626 else
3627 dbus_set_error (error, "win32.error", "Unknown error code %d or FormatMessage failed", code);
3628 }
3629
3630 void
3631 _dbus_win_warn_win_error (const char *message,
3632 unsigned long code)
3633 {
3634 DBusError error;
3635
3636 dbus_error_init (&error);
3637 _dbus_win_set_error_from_win_error (&error, code);
3638 _dbus_warn ("%s: %s\n", message, error.message);
3639 dbus_error_free (&error);
3640 }
3641
3649 dbus_bool_t
3650 _dbus_delete_directory (const DBusString *filename,
3651 DBusError *error)
3652 {
3653 const char *filename_c;
3654
3655 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
3656
3657 filename_c = _dbus_string_get_const_data (filename);
3658
3659 if (RemoveDirectoryA (filename_c) == 0)
3660 {
3661 char *emsg = _dbus_win_error_string (GetLastError ());
3662 dbus_set_error (error, _dbus_win_error_from_last_error (),
3663 "Failed to remove directory %s: %s",
3664 filename_c, emsg);
3665 _dbus_win_free_error_string (emsg);
3666 return FALSE;
3667 }
3668
3669 return TRUE;
3670 }
3671
3678 dbus_bool_t
3679 _dbus_path_is_absolute (const DBusString *filename)
3680 {
3681 if (_dbus_string_get_length (filename) > 0)
3682 return _dbus_string_get_byte (filename, 1) == ':'
3683 || _dbus_string_get_byte (filename, 0) == '\\'
3684 || _dbus_string_get_byte (filename, 0) == '/';
3685 else
3686 return FALSE;
3687 }
3688
3689 dbus_bool_t
3690 _dbus_check_setuid (void)
3691 {
3692 return FALSE;
3693 }
3694
3695 int
3696 _dbus_save_socket_errno (void)
3697 {
3698 return errno;
3699 }
3700
3701 void
3702 _dbus_restore_socket_errno (int saved_errno)
3703 {
3704 _dbus_win_set_errno (saved_errno);
3705 }
3706
3708 /* tests in dbus-sysdeps-util.c */
3709
_dbus_string_append
dbus_bool_t _dbus_string_append(DBusString *str, const char *buffer)
Appends a nul-terminated C-style string to a DBusString.
Definition: dbus-string.c:935
dbus_uint32_t
unsigned int dbus_uint32_t
A 32-bit unsigned integer on all platforms.
Definition: dbus-arch-deps.h:43
DBusAtomic
An atomic integer safe to increment or decrement from multiple threads.
Definition: dbus-sysdeps.h:279
DBUS_ERROR_FILE_NOT_FOUND
#define DBUS_ERROR_FILE_NOT_FOUND
Missing file.
Definition: dbus-protocol.h:393
DBUS_ERROR_FILE_EXISTS
#define DBUS_ERROR_FILE_EXISTS
Existing file and the operation you&#39;re using does not silently overwrite.
Definition: dbus-protocol.h:395
DBusError::message
const char * message
public error message field
Definition: dbus-errors.h:51
NULL
#define NULL
A null pointer, defined appropriately for C or C++.
DBusCredentials
Definition: dbus-credentials.c:48
DBusAtomic::value
volatile dbus_int32_t value
Value of the atomic integer.
Definition: dbus-sysdeps.h:284
_dbus_check_dir_is_private_to_user
dbus_bool_t _dbus_check_dir_is_private_to_user(DBusString *dir, DBusError *error)
Checks to make sure the given directory is private to the user.
Definition: dbus-sysdeps-win.c:2002
dbus_realloc
void * dbus_realloc(void *memory, size_t bytes)
Resizes a block of memory previously allocated by dbus_malloc() or dbus_malloc0().
Definition: dbus-memory.c:601
_dbus_string_lengthen
dbus_bool_t _dbus_string_lengthen(DBusString *str, int additional_length)
Makes a string longer by the given number of bytes.
Definition: dbus-string.c:760
dbus_free
void dbus_free(void *memory)
Frees a block of memory previously allocated by dbus_malloc() or dbus_malloc0().
Definition: dbus-memory.c:701
_dbus_socketpair
dbus_bool_t _dbus_socketpair(DBusSocket *fd1, DBusSocket *fd2, dbus_bool_t blocking, DBusError *error)
Creates pair of connect sockets (as in socketpair()).
Definition: dbus-sysdeps-win.c:1053
dbus_new
#define dbus_new(type, count)
Safe macro for using dbus_malloc().
Definition: dbus-memory.h:58
_dbus_path_is_absolute
dbus_bool_t _dbus_path_is_absolute(const DBusString *filename)
Checks whether the filename is an absolute path.
Definition: dbus-sysdeps-win.c:3679
DBusGUID::as_uint32s
dbus_uint32_t as_uint32s[DBUS_UUID_LENGTH_WORDS]
guid as four uint32 values
Definition: dbus-internals.h:392
_dbus_assert
#define _dbus_assert(condition)
Aborts with an error message if the condition is false.
Definition: dbus-internals.h:148
_dbus_check_setuid
dbus_bool_t _dbus_check_setuid(void)
NOTE: If you modify this function, please also consider making the corresponding change in GLib...
Definition: dbus-sysdeps-win.c:3690
_dbus_string_tolower_ascii
void _dbus_string_tolower_ascii(const DBusString *str, int start, int len)
Converts the given range of the string to lower case.
Definition: dbus-string.c:2485
dbus_error_free
void dbus_error_free(DBusError *error)
Frees an error that&#39;s been set (or just initialized), then reinitializes the error as in dbus_error_i...
Definition: dbus-errors.c:211
DBusPollFD
Definition: dbus-sysdeps.h:380
DBusGUID
A globally unique ID ; we have one for each DBusServer, and also one for each machine with libdbus in...
Definition: dbus-internals.h:390
_dbus_getpid
dbus_pid_t _dbus_getpid(void)
Gets our process ID.
Definition: dbus-sysdeps-win.c:2136
_DBUS_POLLIN
#define _DBUS_POLLIN
There is data to read.
Definition: dbus-sysdeps.h:388
_dbus_concat_dir_and_file
dbus_bool_t _dbus_concat_dir_and_file(DBusString *dir, const DBusString *next_component)
Appends the given filename to the given directory.
Definition: dbus-sysdeps-win.c:2021
_dbus_file_exists
dbus_bool_t _dbus_file_exists(const char *file)
Checks if a file exists.
Definition: dbus-sysdeps-win.c:3455
_dbus_string_get_data_len
char * _dbus_string_get_data_len(DBusString *str, int start, int len)
Gets a sub-portion of the raw character buffer from the string.
Definition: dbus-string.c:490
_dbus_read_socket
int _dbus_read_socket(DBusSocket fd, DBusString *buffer, int count)
Socket interface.
Definition: dbus-sysdeps-win.c:378
_dbus_string_init
dbus_bool_t _dbus_string_init(DBusString *str)
Initializes a string.
Definition: dbus-string.c:175
DBUS_ERROR_IO_ERROR
#define DBUS_ERROR_IO_ERROR
Something went wrong reading or writing to a socket, for example.
Definition: dbus-protocol.h:365
_dbus_string_shorten
void _dbus_string_shorten(DBusString *str, int length_to_remove)
Makes a string shorter by the given number of bytes.
Definition: dbus-string.c:780
DBusPollFD::events
short events
Events to poll for.
Definition: dbus-sysdeps.h:383
_dbus_string_copy
dbus_bool_t _dbus_string_copy(const DBusString *source, int start, DBusString *dest, int insert_at)
Like _dbus_string_move(), but does not delete the section of the source string that&#39;s copied to the d...
Definition: dbus-string.c:1283
_dbus_credentials_add_windows_sid
dbus_bool_t _dbus_credentials_add_windows_sid(DBusCredentials *credentials, const char *windows_sid)
Add a Windows user SID to the credentials.
Definition: dbus-credentials.c:183
_dbus_send_credentials_socket
dbus_bool_t _dbus_send_credentials_socket(DBusSocket handle, DBusError *error)
Sends a single nul byte with our UNIX credentials as ancillary data.
Definition: dbus-sysdeps-win.c:1873
_dbus_close_socket
dbus_bool_t _dbus_close_socket(DBusSocket fd, DBusError *error)
Closes a file descriptor.
Definition: dbus-sysdeps-win.c:492
DBUS_UID_UNSET
#define DBUS_UID_UNSET
an invalid UID used to represent an uninitialized dbus_uid_t field
Definition: dbus-sysdeps.h:114
_dbus_delete_file
dbus_bool_t _dbus_delete_file(const DBusString *filename, DBusError *error)
Deletes the given file.
Definition: dbus-sysdeps-win.c:2359
_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:3105
_dbus_error_from_errno
const char * _dbus_error_from_errno(int error_number)
Converts a UNIX errno, or Windows errno or WinSock error value into a DBusError name.
Definition: dbus-sysdeps.c:590
dbus_pid_t
unsigned long dbus_pid_t
A process ID.
Definition: dbus-sysdeps.h:105
DBusSocket
Socket interface.
Definition: dbus-sysdeps.h:148
dbus_malloc
void * dbus_malloc(size_t bytes)
Allocates the given number of bytes, as with standard malloc().
Definition: dbus-memory.c:461
_dbus_append_user_from_current_process
dbus_bool_t _dbus_append_user_from_current_process(DBusString *str)
Append to the string the identity we would like to have when we authenticate, on UNIX this is the cur...
Definition: dbus-sysdeps-win.c:2117
_dbus_credentials_are_anonymous
dbus_bool_t _dbus_credentials_are_anonymous(DBusCredentials *credentials)
Checks whether a credentials object contains a user identity.
Definition: dbus-credentials.c:408
DBusString
Definition: dbus-string.h:42
_dbus_get_is_errno_eagain_or_ewouldblock
dbus_bool_t _dbus_get_is_errno_eagain_or_ewouldblock(int e)
See if errno is EAGAIN or EWOULDBLOCK (this has to be done differently for Winsock so is abstracted) ...
Definition: dbus-sysdeps-win.c:3296
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_uint64_t
_DBUS_GNUC_EXTENSION typedef unsigned long long dbus_uint64_t
A 64-bit unsigned integer.
Definition: dbus-arch-deps.h:37
_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:3215
_DBUS_POLLOUT
#define _DBUS_POLLOUT
Writing now will not block.
Definition: dbus-sysdeps.h:392
_dbus_warn
void _dbus_warn(const char *format,...)
Prints a warning message to stderr.
Definition: dbus-internals.c:230
_dbus_write_socket_two
int _dbus_write_socket_two(DBusSocket fd, const DBusString *buffer1, int start1, int len1, const DBusString *buffer2, int start2, int len2)
Like _dbus_write() but will use writev() if possible to write both buffers in sequence.
Definition: dbus-sysdeps-win.c:582
_dbus_accept
DBusSocket _dbus_accept(DBusSocket listen_fd)
Accepts a connection on a listening socket.
Definition: dbus-sysdeps-win.c:1850
_dbus_atomic_inc
dbus_int32_t _dbus_atomic_inc(DBusAtomic *atomic)
Atomically increments an integer.
Definition: dbus-sysdeps-win.c:3230
_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:3369
_dbus_read_credentials_socket
dbus_bool_t _dbus_read_credentials_socket(DBusSocket handle, DBusCredentials *credentials, DBusError *error)
Reads a single byte which must be nul (an error occurs otherwise), and reads unix credentials if avai...
Definition: dbus-sysdeps-win.c:1950
_dbus_create_directory
dbus_bool_t _dbus_create_directory(const DBusString *filename, DBusError *error)
Creates a directory; succeeds if the directory is created or already existed.
Definition: dbus-sysdeps-win.c:2235
_dbus_delete_directory
dbus_bool_t _dbus_delete_directory(const DBusString *filename, DBusError *error)
Removes a directory; Directory must be empty.
Definition: dbus-sysdeps-win.c:3650
DBusError
Object representing an exception.
Definition: dbus-errors.h:48
_dbus_get_monotonic_time
void _dbus_get_monotonic_time(long *tv_sec, long *tv_usec)
Get current time, as in gettimeofday().
Definition: dbus-sysdeps-win.c:2211
_dbus_listen_tcp_socket
int _dbus_listen_tcp_socket(const char *host, const char *port, const char *family, DBusString *retport, DBusSocket **fds_p, DBusError *error)
Creates a socket and binds it to the given path, then listens on the socket.
Definition: dbus-sysdeps-win.c:1638
_dbus_string_validate_utf8
dbus_bool_t _dbus_string_validate_utf8(const DBusString *str, int start, int len)
Checks that the given range of the string is valid UTF-8.
Definition: dbus-string.c:2555
_dbus_disable_sigpipe
void _dbus_disable_sigpipe(void)
signal (SIGPIPE, SIG_IGN);
Definition: dbus-sysdeps-win.c:2222
dbus_set_error
void dbus_set_error(DBusError *error, const char *name, const char *format,...)
Assigns an error name and message to a DBusError.
Definition: dbus-errors.c:354
_dbus_flush_caches
void _dbus_flush_caches(void)
Called when the bus daemon is signaled to reload its configuration; any caches should be nuked...
Definition: dbus-sysdeps-win.c:3285
_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:2312
_dbus_string_append_byte
dbus_bool_t _dbus_string_append_byte(DBusString *str, unsigned char byte)
Appends a single byte to the string, returning FALSE if not enough memory.
Definition: dbus-string.c:1157
_DBUS_UNLOCK
#define _DBUS_UNLOCK(name)
Unlocks a global lock.
Definition: dbus-internals.h:369
_dbus_string_free
void _dbus_string_free(DBusString *str)
Frees a string created by _dbus_string_init().
Definition: dbus-string.c:259
_dbus_credentials_add_from_current_process
dbus_bool_t _dbus_credentials_add_from_current_process(DBusCredentials *credentials)
Adds the credentials of the current process to the passed-in credentials object.
Definition: dbus-sysdeps-win.c:2079
TRUE
#define TRUE
Expands to "1".
DBusPollFD::fd
DBusPollable fd
File descriptor.
Definition: dbus-sysdeps.h:382
_dbus_assert_not_reached
#define _dbus_assert_not_reached(explanation)
Aborts with an error message if called.
Definition: dbus-internals.h:159
_dbus_credentials_add_pid
dbus_bool_t _dbus_credentials_add_pid(DBusCredentials *credentials, dbus_pid_t pid)
Add a UNIX process ID to the credentials.
Definition: dbus-credentials.c:152
DBUS_ERROR_FAILED
#define DBUS_ERROR_FAILED
A generic error; "something went wrong" - see the error message for more.
Definition: dbus-protocol.h:355
_dbus_exit
void _dbus_exit(int code)
Exit the process, returning the given value.
Definition: dbus-sysdeps-win.c:1473
_dbus_strerror_from_errno
const char * _dbus_strerror_from_errno(void)
Get error message from errno.
Definition: dbus-sysdeps.c:749
_dbus_pid_for_log
unsigned long _dbus_pid_for_log(void)
The only reason this is separate from _dbus_getpid() is to allow it on Windows for logging but not fo...
Definition: dbus-sysdeps-win.c:937
DBUS_INT64_CONSTANT
#define DBUS_INT64_CONSTANT(val)
Declare a 64-bit signed integer constant.
_dbus_connect_tcp_socket
DBusSocket _dbus_connect_tcp_socket(const char *host, const char *port, const char *family, DBusError *error)
Creates a socket and connects to a socket at the given host and port.
Definition: dbus-sysdeps-win.c:1490
dbus_error_init
void dbus_error_init(DBusError *error)
Initializes a DBusError structure.
Definition: dbus-errors.c:188
_dbus_atomic_dec
dbus_int32_t _dbus_atomic_dec(DBusAtomic *atomic)
Atomically decrement an integer.
Definition: dbus-sysdeps-win.c:3245
DBUS_ERROR_ACCESS_DENIED
#define DBUS_ERROR_ACCESS_DENIED
Security restrictions don&#39;t allow doing what you&#39;re trying to do.
Definition: dbus-protocol.h:373
_dbus_getuid
dbus_uid_t _dbus_getuid(void)
Gets our Unix UID.
Definition: dbus-sysdeps-win.c:2145
_dbus_generate_random_bytes
dbus_bool_t _dbus_generate_random_bytes(DBusString *str, int n_bytes, DBusError *error)
Generates the given number of random bytes, using the best mechanism we can come up with...
Definition: dbus-sysdeps-win.c:2269
_dbus_set_socket_nonblocking
dbus_bool_t _dbus_set_socket_nonblocking(DBusSocket handle, DBusError *error)
Sets a file descriptor to be nonblocking.
Definition: dbus-sysdeps-win.c:541
DBUS_ERROR_NO_MEMORY
#define DBUS_ERROR_NO_MEMORY
There was not enough memory to complete an operation.
Definition: dbus-protocol.h:357
_dbus_lookup_session_address
dbus_bool_t _dbus_lookup_session_address(dbus_bool_t *supported, DBusString *address, DBusError *error)
Determines the address of the session bus by querying a platform-specific method. ...
Definition: dbus-sysdeps-win.c:3346
FALSE
#define FALSE
Expands to "0".
_dbus_read_local_machine_uuid
dbus_bool_t _dbus_read_local_machine_uuid(DBusGUID *machine_id, dbus_bool_t create_if_not_found, DBusError *error)
Reads the uuid of the machine we&#39;re running on from the dbus configuration.
Definition: dbus-sysdeps-win.c:2702
_dbus_print_backtrace
void _dbus_print_backtrace(void)
On GNU libc systems, print a crude backtrace to stderr.
Definition: dbus-sysdeps-win.c:2679
_dbus_sha_compute
dbus_bool_t _dbus_sha_compute(const DBusString *data, DBusString *ascii_output)
Computes the ASCII hex-encoded shasum of the given data and appends it to the output string...
Definition: dbus-sha.c:483
dbus_set_error_const
void dbus_set_error_const(DBusError *error, const char *name, const char *message)
Assigns an error name and message to a DBusError.
Definition: dbus-errors.c:243
_dbus_string_set_length
dbus_bool_t _dbus_string_set_length(DBusString *str, int length)
Sets the length of a string.
Definition: dbus-string.c:802
_DBUS_LOCK
#define _DBUS_LOCK(name)
Locks a global lock, initializing it first if necessary.
Definition: dbus-internals.h:368
_dbus_write_socket
int _dbus_write_socket(DBusSocket fd, const DBusString *buffer, int start, int len)
Thin wrapper around the write() system call that writes a part of a DBusString and handles EINTR for ...
Definition: dbus-sysdeps-win.c:448
_dbus_atomic_get
dbus_int32_t _dbus_atomic_get(DBusAtomic *atomic)
Atomically get the value of an integer.
Definition: dbus-sysdeps-win.c:3260
_dbus_sleep_milliseconds
void _dbus_sleep_milliseconds(int milliseconds)
Sleeps the given number of milliseconds.
Definition: dbus-sysdeps-win.c:2166
_dbus_verbose_bytes_of_string
DBUS_PRIVATE_EXPORT void _dbus_verbose_bytes_of_string(const DBusString *str, int start, int len)
Dump the given part of the string to verbose log.
Definition: dbus-marshal-basic.c:1360
_dbus_printf_string_upper_bound
int _dbus_printf_string_upper_bound(const char *format, va_list args)
Measure the message length without terminating nul.
Definition: dbus-sysdeps-win.c:730
dbus_int32_t
int dbus_int32_t
A 32-bit signed integer on all platforms.
Definition: dbus-arch-deps.h:42
_DBUS_ZERO
#define _DBUS_ZERO(object)
Sets all bits in an object to zero.
Definition: dbus-internals.h:194
_dbus_getenv
const char * _dbus_getenv(const char *varname)
Wrapper for getenv().
Definition: dbus-sysdeps.c:185
DBUS_ERROR_INVALID_ARGS
#define DBUS_ERROR_INVALID_ARGS
Invalid arguments passed to a method call.
Definition: dbus-protocol.h:391
dbus_uid_t
unsigned long dbus_uid_t
A user ID.
Definition: dbus-sysdeps.h:107
_dbus_poll
int _dbus_poll(DBusPollFD *fds, int n_fds, int timeout_milliseconds)
Wrapper for poll().
Definition: dbus-sysdeps-win.c:1170
DBusPollFD::revents
short revents
Events that occurred.
Definition: dbus-sysdeps.h:384
DBUS_ERROR_LIMITS_EXCEEDED
#define DBUS_ERROR_LIMITS_EXCEEDED
Some limited resource is exhausted.
Definition: dbus-protocol.h:371
_dbus_string_init_const_len
void _dbus_string_init_const_len(DBusString *str, const char *value, int len)
Initializes a constant string with a length.
Definition: dbus-string.c:210
_dbus_get_real_time
void _dbus_get_real_time(long *tv_sec, long *tv_usec)
Get current time, as in gettimeofday().
Definition: dbus-sysdeps-win.c:2180
_DBUS_POLLERR
#define _DBUS_POLLERR
Error condition.
Definition: dbus-sysdeps.h:394
_dbus_credentials_add_from_user
dbus_bool_t _dbus_credentials_add_from_user(DBusCredentials *credentials, const DBusString *username)
Adds the credentials corresponding to the given username.
Definition: dbus-sysdeps-win.c:2063