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)
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>
11 * Licensed under the Academic Free License version 2.1
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.
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.
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
31 #define STRSAFE_NO_DEPRECATE
35 #define _WIN32_WINNT 0x0501
39 #include "dbus-internals.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"
59 /* Declarations missing in mingw's and windows sdk 7.0 headers */
60 extern BOOL WINAPI ConvertStringSidToSidA (LPCSTR StringSid, PSID *Sid);
61 extern BOOL WINAPI ConvertSidToStringSidA (PSID Sid, LPSTR *StringSid);
72 #include <sys/types.h>
75 #ifdef HAVE_WS2TCPIP_H
76 /* getaddrinfo for Windows CE (and Windows). */
81 // needed for w2k compatibility (getaddrinfo/freeaddrinfo/getnameinfo)
88 #endif // HAVE_WSPIAPI_H
94 typedef int socklen_t;
98 _dbus_win_set_errno (int err)
107 static BOOL is_winxp_sp3_or_lower();
110 * _MIB_TCPROW_EX and friends are not available in system headers
111 * and are mapped to attribute identical ...OWNER_PID typedefs.
113 typedef MIB_TCPROW_OWNER_PID _MIB_TCPROW_EX;
114 typedef MIB_TCPTABLE_OWNER_PID MIB_TCPTABLE_EX;
115 typedef PMIB_TCPTABLE_OWNER_PID PMIB_TCPTABLE_EX;
116 typedef DWORD (WINAPI *ProcAllocateAndGetTcpExtTableFromStack)(PMIB_TCPTABLE_EX*,BOOL,HANDLE,DWORD,DWORD);
117 static ProcAllocateAndGetTcpExtTableFromStack lpfnAllocateAndGetTcpExTableFromStack = NULL;
120 * AllocateAndGetTcpExTableFromStack() is undocumented and not exported,
121 * but is the only way to do this in older XP versions.
122 * @return true if the procedures could be loaded
124 static BOOL load_ex_ip_helper_procedures(void)
126 HMODULE hModule = LoadLibrary ("iphlpapi.dll");
130 lpfnAllocateAndGetTcpExTableFromStack = (ProcAllocateAndGetTcpExtTableFromStack)GetProcAddress (hModule, "AllocateAndGetTcpExTableFromStack");
131 if (lpfnAllocateAndGetTcpExTableFromStack == NULL)
138 dbus_pid_t get_pid_from_extended_tcp_table(int peer_port)
142 MIB_TCPTABLE_OWNER_PID *tcp_table;
146 GetExtendedTcpTable (NULL, &size, TRUE, AF_INET, TCP_TABLE_OWNER_PID_ALL, 0)) == ERROR_INSUFFICIENT_BUFFER)
148 tcp_table = (MIB_TCPTABLE_OWNER_PID *) dbus_malloc (size);
149 if (tcp_table == NULL)
151 _dbus_verbose ("Error allocating memory\n");
156 if ((result = GetExtendedTcpTable (tcp_table, &size, TRUE, AF_INET, TCP_TABLE_OWNER_PID_ALL, 0)) != NO_ERROR)
158 _dbus_verbose ("Error fetching tcp table %d\n", (int)result);
159 dbus_free (tcp_table);
164 for (i = 0; i < tcp_table->dwNumEntries; i++)
166 MIB_TCPROW_OWNER_PID *p = &tcp_table->table[i];
167 int local_address = ntohl (p->dwLocalAddr);
168 int local_port = ntohs (p->dwLocalPort);
169 if (p->dwState == MIB_TCP_STATE_ESTAB
170 && local_address == INADDR_LOOPBACK && local_port == peer_port)
171 result = p->dwOwningPid;
174 _dbus_verbose ("got pid %d\n", (int)result);
175 dbus_free (tcp_table);
179 dbus_pid_t get_pid_from_tcp_ex_table(int peer_port)
182 DWORD errorCode, dwSize;
183 PMIB_TCPTABLE_EX lpBuffer = NULL;
185 if (!load_ex_ip_helper_procedures ())
188 ("Error not been able to load iphelper procedures\n");
192 errorCode = lpfnAllocateAndGetTcpExTableFromStack (&lpBuffer, TRUE, GetProcessHeap(), 0, 2);
194 if (errorCode != NO_ERROR)
197 ("Error not been able to call AllocateAndGetTcpExTableFromStack()\n");
201 for (dwSize = 0; dwSize < lpBuffer->dwNumEntries; dwSize++)
203 int local_port = ntohs (lpBuffer->table[dwSize].dwLocalPort);
204 int local_address = ntohl (lpBuffer->table[dwSize].dwLocalAddr);
205 if (local_address == INADDR_LOOPBACK && local_port == peer_port)
207 result = lpBuffer->table[dwSize].dwOwningPid;
212 HeapFree (GetProcessHeap(), 0, lpBuffer);
213 _dbus_verbose ("got pid %d\n", (int)result);
218 * @brief return peer process id from tcp handle for localhost connections
219 * @param handle tcp socket descriptor
220 * @return process id or 0 in case the process id could not be fetched
223 _dbus_get_peer_pid_from_tcp_handle (int handle)
225 struct sockaddr_storage addr;
226 socklen_t len = sizeof (addr);
230 dbus_bool_t is_localhost = FALSE;
232 getpeername (handle, (struct sockaddr *) &addr, &len);
234 if (addr.ss_family == AF_INET)
236 struct sockaddr_in *s = (struct sockaddr_in *) &addr;
237 peer_port = ntohs (s->sin_port);
238 is_localhost = (htonl (s->sin_addr.s_addr) == INADDR_LOOPBACK);
240 else if (addr.ss_family == AF_INET6)
242 _dbus_verbose ("FIXME [61922]: IPV6 support not working on windows\n");
245 struct sockaddr_in6 *s = (struct sockaddr_in6 * )&addr;
246 peer_port = ntohs (s->sin6_port);
247 is_localhost = (memcmp(s->sin6_addr.s6_addr, in6addr_loopback.s6_addr, 16) == 0);
248 _dbus_verbose ("IPV6 %08x %08x\n", s->sin6_addr.s6_addr, in6addr_loopback.s6_addr);
253 _dbus_verbose ("no idea what address family %d is\n", addr.ss_family);
259 _dbus_verbose ("could not fetch process id from remote process\n");
266 ("Error not been able to fetch tcp peer port from connection\n");
270 _dbus_verbose ("\n");
272 result = get_pid_from_extended_tcp_table(peer_port);
275 result = get_pid_from_tcp_ex_table(peer_port);
279 /* Convert GetLastError() to a dbus error. */
281 _dbus_win_error_from_last_error (void)
283 switch (GetLastError())
286 return DBUS_ERROR_FAILED;
288 case ERROR_NO_MORE_FILES:
289 case ERROR_TOO_MANY_OPEN_FILES:
290 return DBUS_ERROR_LIMITS_EXCEEDED; /* kernel out of memory */
292 case ERROR_ACCESS_DENIED:
293 case ERROR_CANNOT_MAKE:
294 return DBUS_ERROR_ACCESS_DENIED;
296 case ERROR_NOT_ENOUGH_MEMORY:
297 return DBUS_ERROR_NO_MEMORY;
299 case ERROR_FILE_EXISTS:
300 return DBUS_ERROR_FILE_EXISTS;
302 case ERROR_FILE_NOT_FOUND:
303 case ERROR_PATH_NOT_FOUND:
304 return DBUS_ERROR_FILE_NOT_FOUND;
307 return DBUS_ERROR_FAILED;
312 _dbus_win_error_string (int error_number)
316 FormatMessageA (FORMAT_MESSAGE_ALLOCATE_BUFFER |
317 FORMAT_MESSAGE_IGNORE_INSERTS |
318 FORMAT_MESSAGE_FROM_SYSTEM,
319 NULL, error_number, 0,
320 (LPSTR) &msg, 0, NULL);
322 if (msg[strlen (msg) - 1] == '\n')
323 msg[strlen (msg) - 1] = '\0';
324 if (msg[strlen (msg) - 1] == '\r')
325 msg[strlen (msg) - 1] = '\0';
331 _dbus_win_free_error_string (char *string)
342 * Thin wrapper around the read() system call that appends
343 * the data it reads to the DBusString buffer. It appends
344 * up to the given count, and returns the same value
345 * and same errno as read(). The only exception is that
346 * _dbus_read_socket() handles EINTR for you.
347 * _dbus_read_socket() can return ENOMEM, even though
348 * regular UNIX read doesn't.
350 * @param fd the file descriptor to read from
351 * @param buffer the buffer to append data to
352 * @param count the amount of data to read
353 * @returns the number of bytes read or -1
357 _dbus_read_socket (int fd,
365 _dbus_assert (count >= 0);
367 start = _dbus_string_get_length (buffer);
369 if (!_dbus_string_lengthen (buffer, count))
371 _dbus_win_set_errno (ENOMEM);
375 data = _dbus_string_get_data_len (buffer, start, count);
379 _dbus_verbose ("recv: count=%d fd=%d\n", count, fd);
380 bytes_read = recv (fd, data, count, 0);
382 if (bytes_read == SOCKET_ERROR)
384 DBUS_SOCKET_SET_ERRNO();
385 _dbus_verbose ("recv: failed: %s (%d)\n", _dbus_strerror (errno), errno);
389 _dbus_verbose ("recv: = %d\n", bytes_read);
397 /* put length back (note that this doesn't actually realloc anything) */
398 _dbus_string_set_length (buffer, start);
404 /* put length back (doesn't actually realloc) */
405 _dbus_string_set_length (buffer, start + bytes_read);
409 _dbus_verbose_bytes_of_string (buffer, start, bytes_read);
417 * Thin wrapper around the write() system call that writes a part of a
418 * DBusString and handles EINTR for you.
420 * @param fd the file descriptor to write
421 * @param buffer the buffer to write data from
422 * @param start the first byte in the buffer to write
423 * @param len the number of bytes to try to write
424 * @returns the number of bytes written or -1 on error
427 _dbus_write_socket (int fd,
428 const DBusString *buffer,
435 data = _dbus_string_get_const_data_len (buffer, start, len);
439 _dbus_verbose ("send: len=%d fd=%d\n", len, fd);
440 bytes_written = send (fd, data, len, 0);
442 if (bytes_written == SOCKET_ERROR)
444 DBUS_SOCKET_SET_ERRNO();
445 _dbus_verbose ("send: failed: %s\n", _dbus_strerror_from_errno ());
449 _dbus_verbose ("send: = %d\n", bytes_written);
451 if (bytes_written < 0 && errno == EINTR)
455 if (bytes_written > 0)
456 _dbus_verbose_bytes_of_string (buffer, start, bytes_written);
459 return bytes_written;
464 * Closes a file descriptor.
466 * @param fd the file descriptor
467 * @param error error object
468 * @returns #FALSE if error set
471 _dbus_close_socket (int fd,
474 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
477 if (closesocket (fd) == SOCKET_ERROR)
479 DBUS_SOCKET_SET_ERRNO ();
484 dbus_set_error (error, _dbus_error_from_errno (errno),
485 "Could not close socket: socket=%d, , %s",
486 fd, _dbus_strerror_from_errno ());
489 _dbus_verbose ("_dbus_close_socket: socket=%d, \n", fd);
495 * Sets the file descriptor to be close
496 * on exec. Should be called for all file
497 * descriptors in D-Bus code.
499 * @param fd the file descriptor
502 _dbus_fd_set_close_on_exec (intptr_t handle)
504 if ( !SetHandleInformation( (HANDLE) handle,
505 HANDLE_FLAG_INHERIT | HANDLE_FLAG_PROTECT_FROM_CLOSE,
506 0 /*disable both flags*/ ) )
508 _dbus_win_warn_win_error ("Disabling socket handle inheritance failed:", GetLastError());
513 * Sets a file descriptor to be nonblocking.
515 * @param fd the file descriptor.
516 * @param error address of error location.
517 * @returns #TRUE on success.
520 _dbus_set_fd_nonblocking (int handle,
525 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
527 if (ioctlsocket (handle, FIONBIO, &one) == SOCKET_ERROR)
529 DBUS_SOCKET_SET_ERRNO ();
530 dbus_set_error (error, _dbus_error_from_errno (errno),
531 "Failed to set socket %d:%d to nonblocking: %s", handle,
532 _dbus_strerror_from_errno ());
541 * Like _dbus_write() but will use writev() if possible
542 * to write both buffers in sequence. The return value
543 * is the number of bytes written in the first buffer,
544 * plus the number written in the second. If the first
545 * buffer is written successfully and an error occurs
546 * writing the second, the number of bytes in the first
547 * is returned (i.e. the error is ignored), on systems that
548 * don't have writev. Handles EINTR for you.
549 * The second buffer may be #NULL.
551 * @param fd the file descriptor
552 * @param buffer1 first buffer
553 * @param start1 first byte to write in first buffer
554 * @param len1 number of bytes to write from first buffer
555 * @param buffer2 second buffer, or #NULL
556 * @param start2 first byte to write in second buffer
557 * @param len2 number of bytes to write in second buffer
558 * @returns total bytes written from both buffers, or -1 on error
561 _dbus_write_socket_two (int fd,
562 const DBusString *buffer1,
565 const DBusString *buffer2,
575 _dbus_assert (buffer1 != NULL);
576 _dbus_assert (start1 >= 0);
577 _dbus_assert (start2 >= 0);
578 _dbus_assert (len1 >= 0);
579 _dbus_assert (len2 >= 0);
582 data1 = _dbus_string_get_const_data_len (buffer1, start1, len1);
585 data2 = _dbus_string_get_const_data_len (buffer2, start2, len2);
593 vectors[0].buf = (char*) data1;
594 vectors[0].len = len1;
595 vectors[1].buf = (char*) data2;
596 vectors[1].len = len2;
600 _dbus_verbose ("WSASend: len1+2=%d+%d fd=%d\n", len1, len2, fd);
609 if (rc == SOCKET_ERROR)
611 DBUS_SOCKET_SET_ERRNO ();
612 _dbus_verbose ("WSASend: failed: %s\n", _dbus_strerror_from_errno ());
616 _dbus_verbose ("WSASend: = %ld\n", bytes_written);
618 if (bytes_written < 0 && errno == EINTR)
621 return bytes_written;
625 _dbus_socket_is_invalid (int fd)
627 return fd == INVALID_SOCKET ? TRUE : FALSE;
633 * Opens the client side of a Windows named pipe. The connection D-BUS
634 * file descriptor index is returned. It is set up as nonblocking.
636 * @param path the path to named pipe socket
637 * @param error return location for error code
638 * @returns connection D-BUS file descriptor or -1 on error
641 _dbus_connect_named_pipe (const char *path,
644 _dbus_assert_not_reached ("not implemented");
652 _dbus_win_startup_winsock (void)
654 /* Straight from MSDN, deuglified */
656 static dbus_bool_t beenhere = FALSE;
658 WORD wVersionRequested;
665 wVersionRequested = MAKEWORD (2, 0);
667 err = WSAStartup (wVersionRequested, &wsaData);
670 _dbus_assert_not_reached ("Could not initialize WinSock");
674 /* Confirm that the WinSock DLL supports 2.0. Note that if the DLL
675 * supports versions greater than 2.0 in addition to 2.0, it will
676 * still return 2.0 in wVersion since that is the version we
679 if (LOBYTE (wsaData.wVersion) != 2 ||
680 HIBYTE (wsaData.wVersion) != 0)
682 _dbus_assert_not_reached ("No usable WinSock found");
697 /************************************************************************
701 ************************************************************************/
704 * Measure the message length without terminating nul
706 int _dbus_printf_string_upper_bound (const char *format,
709 /* MSVCRT's vsnprintf semantics are a bit different */
715 bufsize = sizeof (buf);
716 DBUS_VA_COPY (args_copy, args);
717 len = _vsnprintf (buf, bufsize - 1, format, args_copy);
720 while (len == -1) /* try again */
726 p = malloc (bufsize);
731 DBUS_VA_COPY (args_copy, args);
732 len = _vsnprintf (p, bufsize - 1, format, args_copy);
742 * Returns the UTF-16 form of a UTF-8 string. The result should be
743 * freed with dbus_free() when no longer needed.
745 * @param str the UTF-8 string
746 * @param error return location for error code
749 _dbus_win_utf8_to_utf16 (const char *str,
756 _dbus_string_init_const (&s, str);
758 if (!_dbus_string_validate_utf8 (&s, 0, _dbus_string_get_length (&s)))
760 dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid UTF-8");
764 n = MultiByteToWideChar (CP_UTF8, 0, str, -1, NULL, 0);
768 _dbus_win_set_error_from_win_error (error, GetLastError ());
772 retval = dbus_new (wchar_t, n);
776 _DBUS_SET_OOM (error);
780 if (MultiByteToWideChar (CP_UTF8, 0, str, -1, retval, n) != n)
783 dbus_set_error_const (error, DBUS_ERROR_FAILED, "MultiByteToWideChar inconsistency");
791 * Returns the UTF-8 form of a UTF-16 string. The result should be
792 * freed with dbus_free() when no longer needed.
794 * @param str the UTF-16 string
795 * @param error return location for error code
798 _dbus_win_utf16_to_utf8 (const wchar_t *str,
804 n = WideCharToMultiByte (CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL);
808 _dbus_win_set_error_from_win_error (error, GetLastError ());
812 retval = dbus_malloc (n);
816 _DBUS_SET_OOM (error);
820 if (WideCharToMultiByte (CP_UTF8, 0, str, -1, retval, n, NULL, NULL) != n)
823 dbus_set_error_const (error, DBUS_ERROR_FAILED, "WideCharToMultiByte inconsistency");
835 /************************************************************************
838 ************************************************************************/
841 _dbus_win_account_to_sid (const wchar_t *waccount,
845 dbus_bool_t retval = FALSE;
846 DWORD sid_length, wdomain_length;
854 if (!LookupAccountNameW (NULL, waccount, NULL, &sid_length,
855 NULL, &wdomain_length, &use) &&
856 GetLastError () != ERROR_INSUFFICIENT_BUFFER)
858 _dbus_win_set_error_from_win_error (error, GetLastError ());
862 *ppsid = dbus_malloc (sid_length);
865 _DBUS_SET_OOM (error);
869 wdomain = dbus_new (wchar_t, wdomain_length);
872 _DBUS_SET_OOM (error);
876 if (!LookupAccountNameW (NULL, waccount, (PSID) *ppsid, &sid_length,
877 wdomain, &wdomain_length, &use))
879 _dbus_win_set_error_from_win_error (error, GetLastError ());
883 if (!IsValidSid ((PSID) *ppsid))
885 dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid SID");
903 /** @} end of sysdeps-win */
907 * The only reason this is separate from _dbus_getpid() is to allow it
908 * on Windows for logging but not for other purposes.
910 * @returns process ID to put in log messages
913 _dbus_pid_for_log (void)
915 return _dbus_getpid ();
920 static BOOL is_winxp_sp3_or_lower()
922 OSVERSIONINFOEX osvi;
923 DWORDLONG dwlConditionMask = 0;
924 int op=VER_LESS_EQUAL;
926 // Initialize the OSVERSIONINFOEX structure.
928 ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
929 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
930 osvi.dwMajorVersion = 5;
931 osvi.dwMinorVersion = 1;
932 osvi.wServicePackMajor = 3;
933 osvi.wServicePackMinor = 0;
935 // Initialize the condition mask.
937 VER_SET_CONDITION( dwlConditionMask, VER_MAJORVERSION, op );
938 VER_SET_CONDITION( dwlConditionMask, VER_MINORVERSION, op );
939 VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMAJOR, op );
940 VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMINOR, op );
944 return VerifyVersionInfo(
946 VER_MAJORVERSION | VER_MINORVERSION |
947 VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
952 * @param sid points to sid buffer, need to be freed with LocalFree()
953 * @param process_id the process id for which the sid should be returned
954 * @returns process sid
957 _dbus_getsid(char **sid, dbus_pid_t process_id)
959 HANDLE process_token = INVALID_HANDLE_VALUE;
960 TOKEN_USER *token_user = NULL;
965 HANDLE process_handle = OpenProcess(is_winxp_sp3_or_lower() ? PROCESS_QUERY_INFORMATION : PROCESS_QUERY_LIMITED_INFORMATION, FALSE, process_id);
967 if (!OpenProcessToken (process_handle, TOKEN_QUERY, &process_token))
969 _dbus_win_warn_win_error ("OpenProcessToken failed", GetLastError ());
972 if ((!GetTokenInformation (process_token, TokenUser, NULL, 0, &n)
973 && GetLastError () != ERROR_INSUFFICIENT_BUFFER)
974 || (token_user = alloca (n)) == NULL
975 || !GetTokenInformation (process_token, TokenUser, token_user, n, &n))
977 _dbus_win_warn_win_error ("GetTokenInformation failed", GetLastError ());
980 psid = token_user->User.Sid;
981 if (!IsValidSid (psid))
983 _dbus_verbose("%s invalid sid\n",__FUNCTION__);
986 if (!ConvertSidToStringSidA (psid, sid))
988 _dbus_verbose("%s invalid sid\n",__FUNCTION__);
995 CloseHandle (process_handle);
996 if (process_token != INVALID_HANDLE_VALUE)
997 CloseHandle (process_token);
999 _dbus_verbose("_dbus_getsid() got '%s' and returns %d\n", *sid, retval);
1004 /************************************************************************
1008 ************************************************************************/
1011 * Creates a full-duplex pipe (as in socketpair()).
1012 * Sets both ends of the pipe nonblocking.
1014 * @param fd1 return location for one end
1015 * @param fd2 return location for the other end
1016 * @param blocking #TRUE if pipe should be blocking
1017 * @param error error return
1018 * @returns #FALSE on failure (if error is set)
1021 _dbus_full_duplex_pipe (int *fd1,
1023 dbus_bool_t blocking,
1026 SOCKET temp, socket1 = -1, socket2 = -1;
1027 struct sockaddr_in saddr;
1031 _dbus_win_startup_winsock ();
1033 temp = socket (AF_INET, SOCK_STREAM, 0);
1034 if (temp == INVALID_SOCKET)
1036 DBUS_SOCKET_SET_ERRNO ();
1041 saddr.sin_family = AF_INET;
1043 saddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
1045 if (bind (temp, (struct sockaddr *)&saddr, sizeof (saddr)) == SOCKET_ERROR)
1047 DBUS_SOCKET_SET_ERRNO ();
1051 if (listen (temp, 1) == SOCKET_ERROR)
1053 DBUS_SOCKET_SET_ERRNO ();
1057 len = sizeof (saddr);
1058 if (getsockname (temp, (struct sockaddr *)&saddr, &len) == SOCKET_ERROR)
1060 DBUS_SOCKET_SET_ERRNO ();
1064 socket1 = socket (AF_INET, SOCK_STREAM, 0);
1065 if (socket1 == INVALID_SOCKET)
1067 DBUS_SOCKET_SET_ERRNO ();
1071 if (connect (socket1, (struct sockaddr *)&saddr, len) == SOCKET_ERROR)
1073 DBUS_SOCKET_SET_ERRNO ();
1077 socket2 = accept (temp, (struct sockaddr *) &saddr, &len);
1078 if (socket2 == INVALID_SOCKET)
1080 DBUS_SOCKET_SET_ERRNO ();
1087 if (ioctlsocket (socket1, FIONBIO, &arg) == SOCKET_ERROR)
1089 DBUS_SOCKET_SET_ERRNO ();
1094 if (ioctlsocket (socket2, FIONBIO, &arg) == SOCKET_ERROR)
1096 DBUS_SOCKET_SET_ERRNO ();
1104 _dbus_verbose ("full-duplex pipe %d:%d <-> %d:%d\n",
1105 *fd1, socket1, *fd2, socket2);
1112 closesocket (socket2);
1114 closesocket (socket1);
1118 dbus_set_error (error, _dbus_error_from_errno (errno),
1119 "Could not setup socket pair: %s",
1120 _dbus_strerror_from_errno ());
1126 * Wrapper for poll().
1128 * @param fds the file descriptors to poll
1129 * @param n_fds number of descriptors in the array
1130 * @param timeout_milliseconds timeout or -1 for infinite
1131 * @returns numbers of fds with revents, or <0 on error
1134 _dbus_poll (DBusPollFD *fds,
1136 int timeout_milliseconds)
1138 #define USE_CHRIS_IMPL 0
1142 #define DBUS_POLL_CHAR_BUFFER_SIZE 2000
1143 char msg[DBUS_POLL_CHAR_BUFFER_SIZE];
1151 #define DBUS_STACK_WSAEVENTS 256
1152 WSAEVENT eventsOnStack[DBUS_STACK_WSAEVENTS];
1153 WSAEVENT *pEvents = NULL;
1154 if (n_fds > DBUS_STACK_WSAEVENTS)
1155 pEvents = calloc(sizeof(WSAEVENT), n_fds);
1157 pEvents = eventsOnStack;
1160 #ifdef DBUS_ENABLE_VERBOSE_MODE
1162 msgp += sprintf (msgp, "WSAEventSelect: to=%d\n\t", timeout_milliseconds);
1163 for (i = 0; i < n_fds; i++)
1165 DBusPollFD *fdp = &fds[i];
1168 if (fdp->events & _DBUS_POLLIN)
1169 msgp += sprintf (msgp, "R:%d ", fdp->fd);
1171 if (fdp->events & _DBUS_POLLOUT)
1172 msgp += sprintf (msgp, "W:%d ", fdp->fd);
1174 msgp += sprintf (msgp, "E:%d\n\t", fdp->fd);
1176 // FIXME: more robust code for long msg
1177 // create on heap when msg[] becomes too small
1178 if (msgp >= msg + DBUS_POLL_CHAR_BUFFER_SIZE)
1180 _dbus_assert_not_reached ("buffer overflow in _dbus_poll");
1184 msgp += sprintf (msgp, "\n");
1185 _dbus_verbose ("%s",msg);
1187 for (i = 0; i < n_fds; i++)
1189 DBusPollFD *fdp = &fds[i];
1191 long lNetworkEvents = FD_OOB;
1193 ev = WSACreateEvent();
1195 if (fdp->events & _DBUS_POLLIN)
1196 lNetworkEvents |= FD_READ | FD_ACCEPT | FD_CLOSE;
1198 if (fdp->events & _DBUS_POLLOUT)
1199 lNetworkEvents |= FD_WRITE | FD_CONNECT;
1201 WSAEventSelect(fdp->fd, ev, lNetworkEvents);
1207 ready = WSAWaitForMultipleEvents (n_fds, pEvents, FALSE, timeout_milliseconds, FALSE);
1209 if (DBUS_SOCKET_API_RETURNS_ERROR (ready))
1211 DBUS_SOCKET_SET_ERRNO ();
1212 if (errno != WSAEWOULDBLOCK)
1213 _dbus_verbose ("WSAWaitForMultipleEvents: failed: %s\n", _dbus_strerror_from_errno ());
1216 else if (ready == WSA_WAIT_TIMEOUT)
1218 _dbus_verbose ("WSAWaitForMultipleEvents: WSA_WAIT_TIMEOUT\n");
1221 else if (ready >= WSA_WAIT_EVENT_0 && ready < (int)(WSA_WAIT_EVENT_0 + n_fds))
1224 msgp += sprintf (msgp, "WSAWaitForMultipleEvents: =%d\n\t", ready);
1226 for (i = 0; i < n_fds; i++)
1228 DBusPollFD *fdp = &fds[i];
1229 WSANETWORKEVENTS ne;
1233 WSAEnumNetworkEvents(fdp->fd, pEvents[i], &ne);
1235 if (ne.lNetworkEvents & (FD_READ | FD_ACCEPT | FD_CLOSE))
1236 fdp->revents |= _DBUS_POLLIN;
1238 if (ne.lNetworkEvents & (FD_WRITE | FD_CONNECT))
1239 fdp->revents |= _DBUS_POLLOUT;
1241 if (ne.lNetworkEvents & (FD_OOB))
1242 fdp->revents |= _DBUS_POLLERR;
1244 if (ne.lNetworkEvents & (FD_READ | FD_ACCEPT | FD_CLOSE))
1245 msgp += sprintf (msgp, "R:%d ", fdp->fd);
1247 if (ne.lNetworkEvents & (FD_WRITE | FD_CONNECT))
1248 msgp += sprintf (msgp, "W:%d ", fdp->fd);
1250 if (ne.lNetworkEvents & (FD_OOB))
1251 msgp += sprintf (msgp, "E:%d ", fdp->fd);
1253 msgp += sprintf (msgp, "lNetworkEvents:%d ", ne.lNetworkEvents);
1255 if(ne.lNetworkEvents)
1258 WSAEventSelect(fdp->fd, pEvents[i], 0);
1261 msgp += sprintf (msgp, "\n");
1262 _dbus_verbose ("%s",msg);
1266 _dbus_verbose ("WSAWaitForMultipleEvents: failed for unknown reason!");
1270 for(i = 0; i < n_fds; i++)
1272 WSACloseEvent(pEvents[i]);
1275 if (n_fds > DBUS_STACK_WSAEVENTS)
1280 #else /* USE_CHRIS_IMPL */
1282 #define DBUS_POLL_CHAR_BUFFER_SIZE 2000
1283 char msg[DBUS_POLL_CHAR_BUFFER_SIZE];
1286 fd_set read_set, write_set, err_set;
1292 FD_ZERO (&read_set);
1293 FD_ZERO (&write_set);
1297 #ifdef DBUS_ENABLE_VERBOSE_MODE
1299 msgp += sprintf (msgp, "select: to=%d\n\t", timeout_milliseconds);
1300 for (i = 0; i < n_fds; i++)
1302 DBusPollFD *fdp = &fds[i];
1305 if (fdp->events & _DBUS_POLLIN)
1306 msgp += sprintf (msgp, "R:%d ", fdp->fd);
1308 if (fdp->events & _DBUS_POLLOUT)
1309 msgp += sprintf (msgp, "W:%d ", fdp->fd);
1311 msgp += sprintf (msgp, "E:%d\n\t", fdp->fd);
1313 // FIXME: more robust code for long msg
1314 // create on heap when msg[] becomes too small
1315 if (msgp >= msg + DBUS_POLL_CHAR_BUFFER_SIZE)
1317 _dbus_assert_not_reached ("buffer overflow in _dbus_poll");
1321 msgp += sprintf (msgp, "\n");
1322 _dbus_verbose ("%s",msg);
1324 for (i = 0; i < n_fds; i++)
1326 DBusPollFD *fdp = &fds[i];
1328 if (fdp->events & _DBUS_POLLIN)
1329 FD_SET (fdp->fd, &read_set);
1331 if (fdp->events & _DBUS_POLLOUT)
1332 FD_SET (fdp->fd, &write_set);
1334 FD_SET (fdp->fd, &err_set);
1336 max_fd = MAX (max_fd, fdp->fd);
1339 // Avoid random lockups with send(), for lack of a better solution so far
1340 tv.tv_sec = timeout_milliseconds < 0 ? 1 : timeout_milliseconds / 1000;
1341 tv.tv_usec = timeout_milliseconds < 0 ? 0 : (timeout_milliseconds % 1000) * 1000;
1343 ready = select (max_fd + 1, &read_set, &write_set, &err_set, &tv);
1345 if (DBUS_SOCKET_API_RETURNS_ERROR (ready))
1347 DBUS_SOCKET_SET_ERRNO ();
1348 if (errno != WSAEWOULDBLOCK)
1349 _dbus_verbose ("select: failed: %s\n", _dbus_strerror_from_errno ());
1351 else if (ready == 0)
1352 _dbus_verbose ("select: = 0\n");
1356 #ifdef DBUS_ENABLE_VERBOSE_MODE
1358 msgp += sprintf (msgp, "select: = %d:\n\t", ready);
1360 for (i = 0; i < n_fds; i++)
1362 DBusPollFD *fdp = &fds[i];
1364 if (FD_ISSET (fdp->fd, &read_set))
1365 msgp += sprintf (msgp, "R:%d ", fdp->fd);
1367 if (FD_ISSET (fdp->fd, &write_set))
1368 msgp += sprintf (msgp, "W:%d ", fdp->fd);
1370 if (FD_ISSET (fdp->fd, &err_set))
1371 msgp += sprintf (msgp, "E:%d\n\t", fdp->fd);
1373 msgp += sprintf (msgp, "\n");
1374 _dbus_verbose ("%s",msg);
1377 for (i = 0; i < n_fds; i++)
1379 DBusPollFD *fdp = &fds[i];
1383 if (FD_ISSET (fdp->fd, &read_set))
1384 fdp->revents |= _DBUS_POLLIN;
1386 if (FD_ISSET (fdp->fd, &write_set))
1387 fdp->revents |= _DBUS_POLLOUT;
1389 if (FD_ISSET (fdp->fd, &err_set))
1390 fdp->revents |= _DBUS_POLLERR;
1394 #endif /* USE_CHRIS_IMPL */
1400 /******************************************************************************
1402 Original CVS version of dbus-sysdeps.c
1404 ******************************************************************************/
1405 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
1406 /* dbus-sysdeps.c Wrappers around system/libc features (internal to D-Bus implementation)
1408 * Copyright (C) 2002, 2003 Red Hat, Inc.
1409 * Copyright (C) 2003 CodeFactory AB
1410 * Copyright (C) 2005 Novell, Inc.
1412 * Licensed under the Academic Free License version 2.1
1414 * This program is free software; you can redistribute it and/or modify
1415 * it under the terms of the GNU General Public License as published by
1416 * the Free Software Foundation; either version 2 of the License, or
1417 * (at your option) any later version.
1419 * This program is distributed in the hope that it will be useful,
1420 * but WITHOUT ANY WARRANTY; without even the implied warranty of
1421 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1422 * GNU General Public License for more details.
1424 * You should have received a copy of the GNU General Public License
1425 * along with this program; if not, write to the Free Software
1426 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
1432 * Exit the process, returning the given value.
1434 * @param code the exit code
1437 _dbus_exit (int code)
1443 * Creates a socket and connects to a socket at the given host
1444 * and port. The connection fd is returned, and is set up as
1447 * @param host the host name to connect to
1448 * @param port the port to connect to
1449 * @param family the address family to listen on, NULL for all
1450 * @param error return location for error code
1451 * @returns connection file descriptor or -1 on error
1454 _dbus_connect_tcp_socket (const char *host,
1459 return _dbus_connect_tcp_socket_with_nonce (host, port, family, (const char*)NULL, error);
1463 _dbus_connect_tcp_socket_with_nonce (const char *host,
1466 const char *noncefile,
1470 struct addrinfo hints;
1471 struct addrinfo *ai, *tmp;
1473 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
1475 _dbus_win_startup_winsock ();
1480 hints.ai_family = AF_UNSPEC;
1481 else if (!strcmp(family, "ipv4"))
1482 hints.ai_family = AF_INET;
1483 else if (!strcmp(family, "ipv6"))
1484 hints.ai_family = AF_INET6;
1487 dbus_set_error (error,
1488 DBUS_ERROR_INVALID_ARGS,
1489 "Unknown address family %s", family);
1492 hints.ai_protocol = IPPROTO_TCP;
1493 hints.ai_socktype = SOCK_STREAM;
1494 #ifdef AI_ADDRCONFIG
1495 hints.ai_flags = AI_ADDRCONFIG;
1500 if ((res = getaddrinfo(host, port, &hints, &ai)) != 0 || !ai)
1502 dbus_set_error (error,
1503 _dbus_error_from_errno (res),
1504 "Failed to lookup host/port: \"%s:%s\": %s (%d)",
1505 host, port, _dbus_strerror(res), res);
1512 if ((fd = socket (tmp->ai_family, SOCK_STREAM, 0)) == INVALID_SOCKET)
1514 DBUS_SOCKET_SET_ERRNO ();
1515 dbus_set_error (error,
1516 _dbus_error_from_errno (errno),
1517 "Failed to open socket: %s",
1518 _dbus_strerror_from_errno ());
1522 _DBUS_ASSERT_ERROR_IS_CLEAR(error);
1524 if (connect (fd, (struct sockaddr*) tmp->ai_addr, tmp->ai_addrlen) == SOCKET_ERROR)
1526 DBUS_SOCKET_SET_ERRNO ();
1539 dbus_set_error (error,
1540 _dbus_error_from_errno (errno),
1541 "Failed to connect to socket \"%s:%s\" %s",
1542 host, port, _dbus_strerror_from_errno ());
1546 if (noncefile != NULL)
1548 DBusString noncefileStr;
1550 if (!_dbus_string_init (&noncefileStr) ||
1551 !_dbus_string_append(&noncefileStr, noncefile))
1554 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
1558 ret = _dbus_send_nonce (fd, &noncefileStr, error);
1560 _dbus_string_free (&noncefileStr);
1569 _dbus_fd_set_close_on_exec (fd);
1571 if (!_dbus_set_fd_nonblocking (fd, error))
1581 * Creates a socket and binds it to the given path, then listens on
1582 * the socket. The socket is set to be nonblocking. In case of port=0
1583 * a random free port is used and returned in the port parameter.
1584 * If inaddr_any is specified, the hostname is ignored.
1586 * @param host the host name to listen on
1587 * @param port the port to listen on, if zero a free port will be used
1588 * @param family the address family to listen on, NULL for all
1589 * @param retport string to return the actual port listened on
1590 * @param fds_p location to store returned file descriptors
1591 * @param error return location for errors
1592 * @returns the number of listening file descriptors or -1 on error
1596 _dbus_listen_tcp_socket (const char *host,
1599 DBusString *retport,
1603 int nlisten_fd = 0, *listen_fd = NULL, res, i, port_num = -1;
1604 struct addrinfo hints;
1605 struct addrinfo *ai, *tmp;
1607 // On Vista, sockaddr_gen must be a sockaddr_in6, and not a sockaddr_in6_old
1608 //That's required for family == IPv6(which is the default on Vista if family is not given)
1609 //So we use our own union instead of sockaddr_gen:
1612 struct sockaddr Address;
1613 struct sockaddr_in AddressIn;
1614 struct sockaddr_in6 AddressIn6;
1618 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
1620 _dbus_win_startup_winsock ();
1625 hints.ai_family = AF_UNSPEC;
1626 else if (!strcmp(family, "ipv4"))
1627 hints.ai_family = AF_INET;
1628 else if (!strcmp(family, "ipv6"))
1629 hints.ai_family = AF_INET6;
1632 dbus_set_error (error,
1633 DBUS_ERROR_INVALID_ARGS,
1634 "Unknown address family %s", family);
1638 hints.ai_protocol = IPPROTO_TCP;
1639 hints.ai_socktype = SOCK_STREAM;
1640 #ifdef AI_ADDRCONFIG
1641 hints.ai_flags = AI_ADDRCONFIG | AI_PASSIVE;
1643 hints.ai_flags = AI_PASSIVE;
1646 redo_lookup_with_port:
1647 if ((res = getaddrinfo(host, port, &hints, &ai)) != 0 || !ai)
1649 dbus_set_error (error,
1650 _dbus_error_from_errno (res),
1651 "Failed to lookup host/port: \"%s:%s\": %s (%d)",
1652 host ? host : "*", port, _dbus_strerror(res), res);
1659 int fd = -1, *newlisten_fd;
1660 if ((fd = socket (tmp->ai_family, SOCK_STREAM, 0)) == INVALID_SOCKET)
1662 DBUS_SOCKET_SET_ERRNO ();
1663 dbus_set_error (error,
1664 _dbus_error_from_errno (errno),
1665 "Failed to open socket: %s",
1666 _dbus_strerror_from_errno ());
1669 _DBUS_ASSERT_ERROR_IS_CLEAR(error);
1671 if (bind (fd, (struct sockaddr*) tmp->ai_addr, tmp->ai_addrlen) == SOCKET_ERROR)
1673 DBUS_SOCKET_SET_ERRNO ();
1674 dbus_set_error (error, _dbus_error_from_errno (errno),
1675 "Failed to bind socket \"%s:%s\": %s",
1676 host ? host : "*", port, _dbus_strerror_from_errno ());
1681 if (listen (fd, 30 /* backlog */) == SOCKET_ERROR)
1683 DBUS_SOCKET_SET_ERRNO ();
1684 dbus_set_error (error, _dbus_error_from_errno (errno),
1685 "Failed to listen on socket \"%s:%s\": %s",
1686 host ? host : "*", port, _dbus_strerror_from_errno ());
1691 newlisten_fd = dbus_realloc(listen_fd, sizeof(int)*(nlisten_fd+1));
1695 dbus_set_error (error, DBUS_ERROR_NO_MEMORY,
1696 "Failed to allocate file handle array");
1699 listen_fd = newlisten_fd;
1700 listen_fd[nlisten_fd] = fd;
1703 if (!_dbus_string_get_length(retport))
1705 /* If the user didn't specify a port, or used 0, then
1706 the kernel chooses a port. After the first address
1707 is bound to, we need to force all remaining addresses
1708 to use the same port */
1709 if (!port || !strcmp(port, "0"))
1711 mysockaddr_gen addr;
1712 socklen_t addrlen = sizeof(addr);
1715 if (getsockname(fd, &addr.Address, &addrlen) == SOCKET_ERROR)
1717 DBUS_SOCKET_SET_ERRNO ();
1718 dbus_set_error (error, _dbus_error_from_errno (errno),
1719 "Failed to resolve port \"%s:%s\": %s",
1720 host ? host : "*", port, _dbus_strerror_from_errno());
1723 snprintf( portbuf, sizeof( portbuf ) - 1, "%d", addr.AddressIn.sin_port );
1724 if (!_dbus_string_append(retport, portbuf))
1726 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
1730 /* Release current address list & redo lookup */
1731 port = _dbus_string_get_const_data(retport);
1733 goto redo_lookup_with_port;
1737 if (!_dbus_string_append(retport, port))
1739 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
1752 _dbus_win_set_errno (WSAEADDRINUSE);
1753 dbus_set_error (error, _dbus_error_from_errno (errno),
1754 "Failed to bind socket \"%s:%s\": %s",
1755 host ? host : "*", port, _dbus_strerror_from_errno ());
1759 sscanf(_dbus_string_get_const_data(retport), "%d", &port_num);
1761 for (i = 0 ; i < nlisten_fd ; i++)
1763 _dbus_fd_set_close_on_exec (listen_fd[i]);
1764 if (!_dbus_set_fd_nonblocking (listen_fd[i], error))
1777 for (i = 0 ; i < nlisten_fd ; i++)
1778 closesocket (listen_fd[i]);
1779 dbus_free(listen_fd);
1785 * Accepts a connection on a listening socket.
1786 * Handles EINTR for you.
1788 * @param listen_fd the listen file descriptor
1789 * @returns the connection fd of the client, or -1 on error
1792 _dbus_accept (int listen_fd)
1797 client_fd = accept (listen_fd, NULL, NULL);
1799 if (DBUS_SOCKET_IS_INVALID (client_fd))
1801 DBUS_SOCKET_SET_ERRNO ();
1806 _dbus_verbose ("client fd %d accepted\n", client_fd);
1815 _dbus_send_credentials_socket (int handle,
1818 /* FIXME: for the session bus credentials shouldn't matter (?), but
1819 * for the system bus they are presumably essential. A rough outline
1820 * of a way to implement the credential transfer would be this:
1822 * client waits to *read* a byte.
1824 * server creates a named pipe with a random name, sends a byte
1825 * contining its length, and its name.
1827 * client reads the name, connects to it (using Win32 API).
1829 * server waits for connection to the named pipe, then calls
1830 * ImpersonateNamedPipeClient(), notes its now-current credentials,
1831 * calls RevertToSelf(), closes its handles to the named pipe, and
1832 * is done. (Maybe there is some other way to get the SID of a named
1833 * pipe client without having to use impersonation?)
1835 * client closes its handles and is done.
1837 * Ralf: Why not sending credentials over the given this connection ?
1838 * Using named pipes makes it impossible to be connected from a unix client.
1844 _dbus_string_init_const_len (&buf, "\0", 1);
1846 bytes_written = _dbus_write_socket (handle, &buf, 0, 1 );
1848 if (bytes_written < 0 && errno == EINTR)
1851 if (bytes_written < 0)
1853 dbus_set_error (error, _dbus_error_from_errno (errno),
1854 "Failed to write credentials byte: %s",
1855 _dbus_strerror_from_errno ());
1858 else if (bytes_written == 0)
1860 dbus_set_error (error, DBUS_ERROR_IO_ERROR,
1861 "wrote zero bytes writing credentials byte");
1866 _dbus_assert (bytes_written == 1);
1867 _dbus_verbose ("wrote 1 zero byte, credential sending isn't implemented yet\n");
1874 * Reads a single byte which must be nul (an error occurs otherwise),
1875 * and reads unix credentials if available. Fills in pid/uid/gid with
1876 * -1 if no credentials are available. Return value indicates whether
1877 * a byte was read, not whether we got valid credentials. On some
1878 * systems, such as Linux, reading/writing the byte isn't actually
1879 * required, but we do it anyway just to avoid multiple codepaths.
1881 * Fails if no byte is available, so you must select() first.
1883 * The point of the byte is that on some systems we have to
1884 * use sendmsg()/recvmsg() to transmit credentials.
1886 * @param client_fd the client file descriptor
1887 * @param credentials struct to fill with credentials of client
1888 * @param error location to store error code
1889 * @returns #TRUE on success
1892 _dbus_read_credentials_socket (int handle,
1893 DBusCredentials *credentials,
1903 // could fail due too OOM
1904 if (_dbus_string_init (&buf))
1906 bytes_read = _dbus_read_socket (handle, &buf, 1 );
1909 _dbus_verbose ("got one zero byte from server\n");
1911 _dbus_string_free (&buf);
1914 pid = _dbus_get_peer_pid_from_tcp_handle (handle);
1918 _dbus_credentials_add_pid (credentials, pid);
1920 if (_dbus_getsid (&sid, pid))
1922 if (!_dbus_credentials_add_windows_sid (credentials, sid))
1936 * Checks to make sure the given directory is
1937 * private to the user
1939 * @param dir the name of the directory
1940 * @param error error return
1941 * @returns #FALSE on failure
1944 _dbus_check_dir_is_private_to_user (DBusString *dir, DBusError *error)
1947 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
1953 * Appends the given filename to the given directory.
1955 * @todo it might be cute to collapse multiple '/' such as "foo//"
1958 * @param dir the directory name
1959 * @param next_component the filename
1960 * @returns #TRUE on success
1963 _dbus_concat_dir_and_file (DBusString *dir,
1964 const DBusString *next_component)
1966 dbus_bool_t dir_ends_in_slash;
1967 dbus_bool_t file_starts_with_slash;
1969 if (_dbus_string_get_length (dir) == 0 ||
1970 _dbus_string_get_length (next_component) == 0)
1974 ('/' == _dbus_string_get_byte (dir, _dbus_string_get_length (dir) - 1) ||
1975 '\\' == _dbus_string_get_byte (dir, _dbus_string_get_length (dir) - 1));
1977 file_starts_with_slash =
1978 ('/' == _dbus_string_get_byte (next_component, 0) ||
1979 '\\' == _dbus_string_get_byte (next_component, 0));
1981 if (dir_ends_in_slash && file_starts_with_slash)
1983 _dbus_string_shorten (dir, 1);
1985 else if (!(dir_ends_in_slash || file_starts_with_slash))
1987 if (!_dbus_string_append_byte (dir, '\\'))
1991 return _dbus_string_copy (next_component, 0, dir,
1992 _dbus_string_get_length (dir));
1995 /*---------------- DBusCredentials ----------------------------------*/
1998 * Adds the credentials corresponding to the given username.
2000 * @param credentials credentials to fill in
2001 * @param username the username
2002 * @returns #TRUE if the username existed and we got some credentials
2005 _dbus_credentials_add_from_user (DBusCredentials *credentials,
2006 const DBusString *username)
2008 return _dbus_credentials_add_windows_sid (credentials,
2009 _dbus_string_get_const_data(username));
2013 * Adds the credentials of the current process to the
2014 * passed-in credentials object.
2016 * @param credentials credentials to add to
2017 * @returns #FALSE if no memory; does not properly roll back on failure, so only some credentials may have been added
2021 _dbus_credentials_add_from_current_process (DBusCredentials *credentials)
2023 dbus_bool_t retval = FALSE;
2026 if (!_dbus_getsid(&sid, _dbus_getpid()))
2029 if (!_dbus_credentials_add_pid (credentials, _dbus_getpid()))
2032 if (!_dbus_credentials_add_windows_sid (credentials,sid))
2047 * Append to the string the identity we would like to have when we
2048 * authenticate, on UNIX this is the current process UID and on
2049 * Windows something else, probably a Windows SID string. No escaping
2050 * is required, that is done in dbus-auth.c. The username here
2051 * need not be anything human-readable, it can be the machine-readable
2052 * form i.e. a user id.
2054 * @param str the string to append to
2055 * @returns #FALSE on no memory
2056 * @todo to which class belongs this
2059 _dbus_append_user_from_current_process (DBusString *str)
2061 dbus_bool_t retval = FALSE;
2064 if (!_dbus_getsid(&sid, _dbus_getpid()))
2067 retval = _dbus_string_append (str,sid);
2074 * Gets our process ID
2075 * @returns process ID
2080 return GetCurrentProcessId ();
2083 /** nanoseconds in a second */
2084 #define NANOSECONDS_PER_SECOND 1000000000
2085 /** microseconds in a second */
2086 #define MICROSECONDS_PER_SECOND 1000000
2087 /** milliseconds in a second */
2088 #define MILLISECONDS_PER_SECOND 1000
2089 /** nanoseconds in a millisecond */
2090 #define NANOSECONDS_PER_MILLISECOND 1000000
2091 /** microseconds in a millisecond */
2092 #define MICROSECONDS_PER_MILLISECOND 1000
2095 * Sleeps the given number of milliseconds.
2096 * @param milliseconds number of milliseconds
2099 _dbus_sleep_milliseconds (int milliseconds)
2101 Sleep (milliseconds);
2106 * Get current time, as in gettimeofday(). Never uses the monotonic
2109 * @param tv_sec return location for number of seconds
2110 * @param tv_usec return location for number of microseconds
2113 _dbus_get_real_time (long *tv_sec,
2117 dbus_uint64_t time64;
2119 GetSystemTimeAsFileTime (&ft);
2121 memcpy (&time64, &ft, sizeof (time64));
2123 /* Convert from 100s of nanoseconds since 1601-01-01
2124 * to Unix epoch. Yes, this is Y2038 unsafe.
2126 time64 -= DBUS_INT64_CONSTANT (116444736000000000);
2130 *tv_sec = time64 / 1000000;
2133 *tv_usec = time64 % 1000000;
2137 * Get current time, as in gettimeofday(). Use the monotonic clock if
2138 * available, to avoid problems when the system time changes.
2140 * @param tv_sec return location for number of seconds
2141 * @param tv_usec return location for number of microseconds
2144 _dbus_get_monotonic_time (long *tv_sec,
2147 /* no implementation yet, fall back to wall-clock time */
2148 _dbus_get_real_time (tv_sec, tv_usec);
2152 * signal (SIGPIPE, SIG_IGN);
2155 _dbus_disable_sigpipe (void)
2160 * Creates a directory; succeeds if the directory
2161 * is created or already existed.
2163 * @param filename directory filename
2164 * @param error initialized error object
2165 * @returns #TRUE on success
2168 _dbus_create_directory (const DBusString *filename,
2171 const char *filename_c;
2173 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
2175 filename_c = _dbus_string_get_const_data (filename);
2177 if (!CreateDirectoryA (filename_c, NULL))
2179 if (GetLastError () == ERROR_ALREADY_EXISTS)
2182 dbus_set_error (error, DBUS_ERROR_FAILED,
2183 "Failed to create directory %s: %s\n",
2184 filename_c, _dbus_strerror_from_errno ());
2193 * Generates the given number of random bytes,
2194 * using the best mechanism we can come up with.
2196 * @param str the string
2197 * @param n_bytes the number of random bytes to append to string
2198 * @returns #TRUE on success, #FALSE if no memory
2201 _dbus_generate_random_bytes (DBusString *str,
2208 old_len = _dbus_string_get_length (str);
2210 if (!_dbus_string_lengthen (str, n_bytes))
2213 p = _dbus_string_get_data_len (str, old_len, n_bytes);
2215 if (!CryptAcquireContext (&hprov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
2218 if (!CryptGenRandom (hprov, n_bytes, p))
2220 CryptReleaseContext (hprov, 0);
2224 CryptReleaseContext (hprov, 0);
2230 * Gets the temporary files directory by inspecting the environment variables
2231 * TMPDIR, TMP, and TEMP in that order. If none of those are set "/tmp" is returned
2233 * @returns location of temp directory
2236 _dbus_get_tmpdir(void)
2238 static const char* tmpdir = NULL;
2239 static char buf[1000];
2245 if (!GetTempPathA (sizeof (buf), buf))
2247 _dbus_warn ("GetTempPath failed\n");
2251 /* Drop terminating backslash or slash */
2252 last_slash = _mbsrchr (buf, '\\');
2253 if (last_slash > buf && last_slash[1] == '\0')
2254 last_slash[0] = '\0';
2255 last_slash = _mbsrchr (buf, '/');
2256 if (last_slash > buf && last_slash[1] == '\0')
2257 last_slash[0] = '\0';
2262 _dbus_assert(tmpdir != NULL);
2269 * Deletes the given file.
2271 * @param filename the filename
2272 * @param error error location
2274 * @returns #TRUE if unlink() succeeded
2277 _dbus_delete_file (const DBusString *filename,
2280 const char *filename_c;
2282 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
2284 filename_c = _dbus_string_get_const_data (filename);
2286 if (DeleteFileA (filename_c) == 0)
2288 dbus_set_error (error, DBUS_ERROR_FAILED,
2289 "Failed to delete file %s: %s\n",
2290 filename_c, _dbus_strerror_from_errno ());
2298 * replaces the term DBUS_PREFIX in configure_time_path by the
2299 * current dbus installation directory. On unix this function is a noop
2301 * @param configure_time_path
2305 _dbus_replace_install_prefix (const char *configure_time_path)
2308 return configure_time_path;
2310 static char retval[1000];
2311 static char runtime_prefix[1000];
2315 if (!configure_time_path)
2318 if ((!_dbus_get_install_root(runtime_prefix, len) ||
2319 strncmp (configure_time_path, DBUS_PREFIX "/",
2320 strlen (DBUS_PREFIX) + 1))) {
2321 strcat (retval, configure_time_path);
2325 strcpy (retval, runtime_prefix);
2326 strcat (retval, configure_time_path + strlen (DBUS_PREFIX) + 1);
2328 /* Somehow, in some situations, backslashes get collapsed in the string.
2329 * Since windows C library accepts both forward and backslashes as
2330 * path separators, convert all backslashes to forward slashes.
2333 for(i = 0; retval[i] != '\0'; i++) {
2334 if(retval[i] == '\\')
2341 #if !defined (DBUS_DISABLE_ASSERT) || defined(DBUS_ENABLE_EMBEDDED_TESTS)
2343 #if defined(_MSC_VER) || defined(DBUS_WINCE)
2353 * Backtrace Generator
2355 * Copyright 2004 Eric Poech
2356 * Copyright 2004 Robert Shearman
2358 * This library is free software; you can redistribute it and/or
2359 * modify it under the terms of the GNU Lesser General Public
2360 * License as published by the Free Software Foundation; either
2361 * version 2.1 of the License, or (at your option) any later version.
2363 * This library is distributed in the hope that it will be useful,
2364 * but WITHOUT ANY WARRANTY; without even the implied warranty of
2365 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
2366 * Lesser General Public License for more details.
2368 * You should have received a copy of the GNU Lesser General Public
2369 * License along with this library; if not, write to the Free Software
2370 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
2374 #include <imagehlp.h>
2377 #define DPRINTF _dbus_warn
2385 //#define MAKE_FUNCPTR(f) static typeof(f) * p##f
2387 //MAKE_FUNCPTR(StackWalk);
2388 //MAKE_FUNCPTR(SymGetModuleBase);
2389 //MAKE_FUNCPTR(SymFunctionTableAccess);
2390 //MAKE_FUNCPTR(SymInitialize);
2391 //MAKE_FUNCPTR(SymGetSymFromAddr);
2392 //MAKE_FUNCPTR(SymGetModuleInfo);
2393 static BOOL (WINAPI *pStackWalk)(
2397 LPSTACKFRAME StackFrame,
2398 PVOID ContextRecord,
2399 PREAD_PROCESS_MEMORY_ROUTINE ReadMemoryRoutine,
2400 PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
2401 PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
2402 PTRANSLATE_ADDRESS_ROUTINE TranslateAddress
2405 static DWORD64 (WINAPI *pSymGetModuleBase)(
2409 static PVOID (WINAPI *pSymFunctionTableAccess)(
2414 static DWORD (WINAPI *pSymGetModuleBase)(
2418 static PVOID (WINAPI *pSymFunctionTableAccess)(
2423 static BOOL (WINAPI *pSymInitialize)(
2425 PSTR UserSearchPath,
2428 static BOOL (WINAPI *pSymGetSymFromAddr)(
2431 PDWORD Displacement,
2432 PIMAGEHLP_SYMBOL Symbol
2434 static BOOL (WINAPI *pSymGetModuleInfo)(
2437 PIMAGEHLP_MODULE ModuleInfo
2439 static DWORD (WINAPI *pSymSetOptions)(
2444 static BOOL init_backtrace()
2446 HMODULE hmodDbgHelp = LoadLibraryA("dbghelp");
2448 #define GETFUNC(x) \
2449 p##x = (typeof(x)*)GetProcAddress(hmodDbgHelp, #x); \
2457 // GETFUNC(StackWalk);
2458 // GETFUNC(SymGetModuleBase);
2459 // GETFUNC(SymFunctionTableAccess);
2460 // GETFUNC(SymInitialize);
2461 // GETFUNC(SymGetSymFromAddr);
2462 // GETFUNC(SymGetModuleInfo);
2466 pStackWalk = (BOOL (WINAPI *)(
2470 LPSTACKFRAME StackFrame,
2471 PVOID ContextRecord,
2472 PREAD_PROCESS_MEMORY_ROUTINE ReadMemoryRoutine,
2473 PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
2474 PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
2475 PTRANSLATE_ADDRESS_ROUTINE TranslateAddress
2476 ))GetProcAddress (hmodDbgHelp, FUNC(StackWalk));
2478 pSymGetModuleBase=(DWORD64 (WINAPI *)(
2481 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleBase));
2482 pSymFunctionTableAccess=(PVOID (WINAPI *)(
2485 ))GetProcAddress (hmodDbgHelp, FUNC(SymFunctionTableAccess));
2487 pSymGetModuleBase=(DWORD (WINAPI *)(
2490 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleBase));
2491 pSymFunctionTableAccess=(PVOID (WINAPI *)(
2494 ))GetProcAddress (hmodDbgHelp, FUNC(SymFunctionTableAccess));
2496 pSymInitialize = (BOOL (WINAPI *)(
2498 PSTR UserSearchPath,
2500 ))GetProcAddress (hmodDbgHelp, FUNC(SymInitialize));
2501 pSymGetSymFromAddr = (BOOL (WINAPI *)(
2504 PDWORD Displacement,
2505 PIMAGEHLP_SYMBOL Symbol
2506 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetSymFromAddr));
2507 pSymGetModuleInfo = (BOOL (WINAPI *)(
2510 PIMAGEHLP_MODULE ModuleInfo
2511 ))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleInfo));
2512 pSymSetOptions = (DWORD (WINAPI *)(
2514 ))GetProcAddress (hmodDbgHelp, FUNC(SymSetOptions));
2517 pSymSetOptions(SYMOPT_UNDNAME);
2519 pSymInitialize(GetCurrentProcess(), NULL, TRUE);
2524 static void dump_backtrace_for_thread(HANDLE hThread)
2531 if (!init_backtrace())
2534 /* can't use this function for current thread as GetThreadContext
2535 * doesn't support getting context from current thread */
2536 if (hThread == GetCurrentThread())
2539 DPRINTF("Backtrace:\n");
2541 _DBUS_ZERO(context);
2542 context.ContextFlags = CONTEXT_FULL;
2544 SuspendThread(hThread);
2546 if (!GetThreadContext(hThread, &context))
2548 DPRINTF("Couldn't get thread context (error %ld)\n", GetLastError());
2549 ResumeThread(hThread);
2556 sf.AddrFrame.Offset = context.Ebp;
2557 sf.AddrFrame.Mode = AddrModeFlat;
2558 sf.AddrPC.Offset = context.Eip;
2559 sf.AddrPC.Mode = AddrModeFlat;
2560 dwImageType = IMAGE_FILE_MACHINE_I386;
2562 dwImageType = IMAGE_FILE_MACHINE_AMD64;
2563 sf.AddrPC.Offset = context.Rip;
2564 sf.AddrPC.Mode = AddrModeFlat;
2565 sf.AddrFrame.Offset = context.Rsp;
2566 sf.AddrFrame.Mode = AddrModeFlat;
2567 sf.AddrStack.Offset = context.Rsp;
2568 sf.AddrStack.Mode = AddrModeFlat;
2570 dwImageType = IMAGE_FILE_MACHINE_IA64;
2571 sf.AddrPC.Offset = context.StIIP;
2572 sf.AddrPC.Mode = AddrModeFlat;
2573 sf.AddrFrame.Offset = context.IntSp;
2574 sf.AddrFrame.Mode = AddrModeFlat;
2575 sf.AddrBStore.Offset= context.RsBSP;
2576 sf.AddrBStore.Mode = AddrModeFlat;
2577 sf.AddrStack.Offset = context.IntSp;
2578 sf.AddrStack.Mode = AddrModeFlat;
2580 # error You need to fill in the STACKFRAME structure for your architecture
2583 while (pStackWalk(dwImageType, GetCurrentProcess(),
2584 hThread, &sf, &context, NULL, pSymFunctionTableAccess,
2585 pSymGetModuleBase, NULL))
2588 IMAGEHLP_SYMBOL * pSymbol = (IMAGEHLP_SYMBOL *)buffer;
2589 DWORD dwDisplacement;
2591 pSymbol->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL);
2592 pSymbol->MaxNameLength = sizeof(buffer) - sizeof(IMAGEHLP_SYMBOL) + 1;
2594 if (!pSymGetSymFromAddr(GetCurrentProcess(), sf.AddrPC.Offset,
2595 &dwDisplacement, pSymbol))
2597 IMAGEHLP_MODULE ModuleInfo;
2598 ModuleInfo.SizeOfStruct = sizeof(ModuleInfo);
2600 if (!pSymGetModuleInfo(GetCurrentProcess(), sf.AddrPC.Offset,
2602 DPRINTF("1\t%p\n", (void*)sf.AddrPC.Offset);
2604 DPRINTF("2\t%s+0x%lx\n", ModuleInfo.ImageName,
2605 sf.AddrPC.Offset - ModuleInfo.BaseOfImage);
2607 else if (dwDisplacement)
2608 DPRINTF("3\t%s+0x%lx\n", pSymbol->Name, dwDisplacement);
2610 DPRINTF("4\t%s\n", pSymbol->Name);
2613 ResumeThread(hThread);
2616 static DWORD WINAPI dump_thread_proc(LPVOID lpParameter)
2618 dump_backtrace_for_thread((HANDLE)lpParameter);
2622 /* cannot get valid context from current thread, so we have to execute
2623 * backtrace from another thread */
2624 static void dump_backtrace()
2626 HANDLE hCurrentThread;
2629 DuplicateHandle(GetCurrentProcess(), GetCurrentThread(),
2630 GetCurrentProcess(), &hCurrentThread, 0, FALSE, DUPLICATE_SAME_ACCESS);
2631 hThread = CreateThread(NULL, 0, dump_thread_proc, (LPVOID)hCurrentThread,
2633 WaitForSingleObject(hThread, INFINITE);
2634 CloseHandle(hThread);
2635 CloseHandle(hCurrentThread);
2638 #endif /* asserts or tests enabled */
2641 void _dbus_print_backtrace(void)
2647 void _dbus_print_backtrace(void)
2649 _dbus_verbose (" D-Bus not compiled with backtrace support\n");
2653 static dbus_uint32_t fromAscii(char ascii)
2655 if(ascii >= '0' && ascii <= '9')
2657 if(ascii >= 'A' && ascii <= 'F')
2658 return ascii - 'A' + 10;
2659 if(ascii >= 'a' && ascii <= 'f')
2660 return ascii - 'a' + 10;
2664 dbus_bool_t _dbus_read_local_machine_uuid (DBusGUID *machine_id,
2665 dbus_bool_t create_if_not_found,
2672 HW_PROFILE_INFOA info;
2673 char *lpc = &info.szHwProfileGuid[0];
2676 // the hw-profile guid lives long enough
2677 if(!GetCurrentHwProfileA(&info))
2679 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL); // FIXME
2683 // Form: {12340001-4980-1920-6788-123456789012}
2686 u = ((fromAscii(lpc[0]) << 0) |
2687 (fromAscii(lpc[1]) << 4) |
2688 (fromAscii(lpc[2]) << 8) |
2689 (fromAscii(lpc[3]) << 12) |
2690 (fromAscii(lpc[4]) << 16) |
2691 (fromAscii(lpc[5]) << 20) |
2692 (fromAscii(lpc[6]) << 24) |
2693 (fromAscii(lpc[7]) << 28));
2694 machine_id->as_uint32s[0] = u;
2698 u = ((fromAscii(lpc[0]) << 0) |
2699 (fromAscii(lpc[1]) << 4) |
2700 (fromAscii(lpc[2]) << 8) |
2701 (fromAscii(lpc[3]) << 12) |
2702 (fromAscii(lpc[5]) << 16) |
2703 (fromAscii(lpc[6]) << 20) |
2704 (fromAscii(lpc[7]) << 24) |
2705 (fromAscii(lpc[8]) << 28));
2706 machine_id->as_uint32s[1] = u;
2710 u = ((fromAscii(lpc[0]) << 0) |
2711 (fromAscii(lpc[1]) << 4) |
2712 (fromAscii(lpc[2]) << 8) |
2713 (fromAscii(lpc[3]) << 12) |
2714 (fromAscii(lpc[5]) << 16) |
2715 (fromAscii(lpc[6]) << 20) |
2716 (fromAscii(lpc[7]) << 24) |
2717 (fromAscii(lpc[8]) << 28));
2718 machine_id->as_uint32s[2] = u;
2722 u = ((fromAscii(lpc[0]) << 0) |
2723 (fromAscii(lpc[1]) << 4) |
2724 (fromAscii(lpc[2]) << 8) |
2725 (fromAscii(lpc[3]) << 12) |
2726 (fromAscii(lpc[4]) << 16) |
2727 (fromAscii(lpc[5]) << 20) |
2728 (fromAscii(lpc[6]) << 24) |
2729 (fromAscii(lpc[7]) << 28));
2730 machine_id->as_uint32s[3] = u;
2736 HANDLE _dbus_global_lock (const char *mutexname)
2741 mutex = CreateMutexA( NULL, FALSE, mutexname );
2747 gotMutex = WaitForSingleObject( mutex, INFINITE );
2750 case WAIT_ABANDONED:
2751 ReleaseMutex (mutex);
2752 CloseHandle (mutex);
2763 void _dbus_global_unlock (HANDLE mutex)
2765 ReleaseMutex (mutex);
2766 CloseHandle (mutex);
2769 // for proper cleanup in dbus-daemon
2770 static HANDLE hDBusDaemonMutex = NULL;
2771 static HANDLE hDBusSharedMem = NULL;
2772 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
2773 static const char *cUniqueDBusInitMutex = "UniqueDBusInitMutex";
2774 // sync _dbus_get_autolaunch_address
2775 static const char *cDBusAutolaunchMutex = "DBusAutolaunchMutex";
2776 // mutex to determine if dbus-daemon is already started (per user)
2777 static const char *cDBusDaemonMutex = "DBusDaemonMutex";
2778 // named shm for dbus adress info (per user)
2779 static const char *cDBusDaemonAddressInfo = "DBusDaemonAddressInfo";
2782 _dbus_get_install_root_as_hash(DBusString *out)
2784 DBusString install_path;
2786 char path[MAX_PATH*2];
2787 int path_size = sizeof(path);
2789 if (!_dbus_get_install_root(path,path_size))
2792 _dbus_string_init(&install_path);
2793 _dbus_string_append(&install_path,path);
2795 _dbus_string_init(out);
2796 _dbus_string_tolower_ascii(&install_path,0,_dbus_string_get_length(&install_path));
2798 if (!_dbus_sha_compute (&install_path, out))
2805 _dbus_get_address_string (DBusString *out, const char *basestring, const char *scope)
2807 _dbus_string_init(out);
2808 _dbus_string_append(out,basestring);
2814 else if (strcmp(scope,"*install-path") == 0
2815 // for 1.3 compatibility
2816 || strcmp(scope,"install-path") == 0)
2819 if (!_dbus_get_install_root_as_hash(&temp))
2821 _dbus_string_free(out);
2824 _dbus_string_append(out,"-");
2825 _dbus_string_append(out,_dbus_string_get_const_data(&temp));
2826 _dbus_string_free(&temp);
2828 else if (strcmp(scope,"*user") == 0)
2830 _dbus_string_append(out,"-");
2831 if (!_dbus_append_user_from_current_process(out))
2833 _dbus_string_free(out);
2837 else if (strlen(scope) > 0)
2839 _dbus_string_append(out,"-");
2840 _dbus_string_append(out,scope);
2847 _dbus_get_shm_name (DBusString *out,const char *scope)
2849 return _dbus_get_address_string (out,cDBusDaemonAddressInfo,scope);
2853 _dbus_get_mutex_name (DBusString *out,const char *scope)
2855 return _dbus_get_address_string (out,cDBusDaemonMutex,scope);
2859 _dbus_daemon_is_session_bus_address_published (const char *scope)
2862 DBusString mutex_name;
2864 if (!_dbus_get_mutex_name(&mutex_name,scope))
2866 _dbus_string_free( &mutex_name );
2870 if (hDBusDaemonMutex)
2873 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
2874 lock = _dbus_global_lock( cUniqueDBusInitMutex );
2876 // we use CreateMutex instead of OpenMutex because of possible race conditions,
2877 // see http://msdn.microsoft.com/en-us/library/ms684315%28VS.85%29.aspx
2878 hDBusDaemonMutex = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
2880 /* The client uses mutex ownership to detect a running server, so the server should do so too.
2881 Fortunally the client deletes the mutex in the lock protected area, so checking presence
2884 _dbus_global_unlock( lock );
2886 _dbus_string_free( &mutex_name );
2888 if (hDBusDaemonMutex == NULL)
2890 if (GetLastError() == ERROR_ALREADY_EXISTS)
2892 CloseHandle(hDBusDaemonMutex);
2893 hDBusDaemonMutex = NULL;
2896 // mutex wasn't created before, so return false.
2897 // We leave the mutex name allocated for later reusage
2898 // in _dbus_daemon_publish_session_bus_address.
2903 _dbus_daemon_publish_session_bus_address (const char* address, const char *scope)
2906 char *shared_addr = NULL;
2907 DBusString shm_name;
2908 DBusString mutex_name;
2910 _dbus_assert (address);
2912 if (!_dbus_get_mutex_name(&mutex_name,scope))
2914 _dbus_string_free( &mutex_name );
2918 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
2919 lock = _dbus_global_lock( cUniqueDBusInitMutex );
2921 if (!hDBusDaemonMutex)
2923 hDBusDaemonMutex = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
2925 _dbus_string_free( &mutex_name );
2927 // acquire the mutex
2928 if (WaitForSingleObject( hDBusDaemonMutex, 10 ) != WAIT_OBJECT_0)
2930 _dbus_global_unlock( lock );
2931 CloseHandle( hDBusDaemonMutex );
2935 if (!_dbus_get_shm_name(&shm_name,scope))
2937 _dbus_string_free( &shm_name );
2938 _dbus_global_unlock( lock );
2943 hDBusSharedMem = CreateFileMappingA( INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE,
2944 0, strlen( address ) + 1, _dbus_string_get_const_data(&shm_name) );
2945 _dbus_assert( hDBusSharedMem );
2947 shared_addr = MapViewOfFile( hDBusSharedMem, FILE_MAP_WRITE, 0, 0, 0 );
2949 _dbus_assert (shared_addr);
2951 strcpy( shared_addr, address);
2954 UnmapViewOfFile( shared_addr );
2956 _dbus_global_unlock( lock );
2957 _dbus_verbose( "published session bus address at %s\n",_dbus_string_get_const_data (&shm_name) );
2959 _dbus_string_free( &shm_name );
2964 _dbus_daemon_unpublish_session_bus_address (void)
2968 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
2969 lock = _dbus_global_lock( cUniqueDBusInitMutex );
2971 CloseHandle( hDBusSharedMem );
2973 hDBusSharedMem = NULL;
2975 ReleaseMutex( hDBusDaemonMutex );
2977 CloseHandle( hDBusDaemonMutex );
2979 hDBusDaemonMutex = NULL;
2981 _dbus_global_unlock( lock );
2985 _dbus_get_autolaunch_shm (DBusString *address, DBusString *shm_name)
2993 // we know that dbus-daemon is available, so we wait until shm is available
2994 sharedMem = OpenFileMappingA( FILE_MAP_READ, FALSE, _dbus_string_get_const_data(shm_name));
2995 if( sharedMem == 0 )
2997 if ( sharedMem != 0)
3001 if( sharedMem == 0 )
3004 shared_addr = MapViewOfFile( sharedMem, FILE_MAP_READ, 0, 0, 0 );
3009 _dbus_string_init( address );
3011 _dbus_string_append( address, shared_addr );
3014 UnmapViewOfFile( shared_addr );
3016 CloseHandle( sharedMem );
3022 _dbus_daemon_already_runs (DBusString *address, DBusString *shm_name, const char *scope)
3026 DBusString mutex_name;
3027 dbus_bool_t bRet = TRUE;
3029 if (!_dbus_get_mutex_name(&mutex_name,scope))
3031 _dbus_string_free( &mutex_name );
3035 // sync _dbus_daemon_publish_session_bus_address, _dbus_daemon_unpublish_session_bus_address and _dbus_daemon_already_runs
3036 lock = _dbus_global_lock( cUniqueDBusInitMutex );
3039 daemon = CreateMutexA( NULL, FALSE, _dbus_string_get_const_data(&mutex_name) );
3040 if(WaitForSingleObject( daemon, 10 ) != WAIT_TIMEOUT)
3042 ReleaseMutex (daemon);
3043 CloseHandle (daemon);
3045 _dbus_global_unlock( lock );
3046 _dbus_string_free( &mutex_name );
3051 bRet = _dbus_get_autolaunch_shm( address, shm_name );
3054 CloseHandle ( daemon );
3056 _dbus_global_unlock( lock );
3057 _dbus_string_free( &mutex_name );
3063 _dbus_get_autolaunch_address (const char *scope, DBusString *address,
3068 PROCESS_INFORMATION pi;
3069 dbus_bool_t retval = FALSE;
3071 char dbus_exe_path[MAX_PATH];
3072 char dbus_args[MAX_PATH * 2];
3073 const char * daemon_name = DBUS_DAEMON_NAME ".exe";
3074 DBusString shm_name;
3076 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
3078 if (!_dbus_get_shm_name(&shm_name,scope))
3080 dbus_set_error_const (error, DBUS_ERROR_FAILED, "could not determine shm name");
3084 mutex = _dbus_global_lock ( cDBusAutolaunchMutex );
3086 if (_dbus_daemon_already_runs(address,&shm_name,scope))
3088 _dbus_verbose( "found running dbus daemon at %s\n",
3089 _dbus_string_get_const_data (&shm_name) );
3094 if (!SearchPathA(NULL, daemon_name, NULL, sizeof(dbus_exe_path), dbus_exe_path, &lpFile))
3096 // Look in directory containing dbus shared library
3098 char dbus_module_path[MAX_PATH];
3101 _dbus_verbose( "did not found dbus daemon executable on default search path, "
3102 "trying path where dbus shared library is located");
3104 hmod = _dbus_win_get_dll_hmodule();
3105 rc = GetModuleFileNameA(hmod, dbus_module_path, sizeof(dbus_module_path));
3108 dbus_set_error_const (error, DBUS_ERROR_FAILED, "could not retrieve dbus shared library file name");
3114 char *ext_idx = strrchr(dbus_module_path, '\\');
3117 if (!SearchPathA(dbus_module_path, daemon_name, NULL, sizeof(dbus_exe_path), dbus_exe_path, &lpFile))
3119 dbus_set_error_const (error, DBUS_ERROR_FAILED, "could not find dbus-daemon executable");
3121 printf ("please add the path to %s to your PATH environment variable\n", daemon_name);
3122 printf ("or start the daemon manually\n\n");
3125 _dbus_verbose( "found dbus daemon executable at %s",dbus_module_path);
3131 ZeroMemory( &si, sizeof(si) );
3133 ZeroMemory( &pi, sizeof(pi) );
3135 _snprintf(dbus_args, sizeof(dbus_args) - 1, "\"%s\" %s", dbus_exe_path, " --session");
3137 // argv[i] = "--config-file=bus\\session.conf";
3138 // printf("create process \"%s\" %s\n", dbus_exe_path, dbus_args);
3139 if(CreateProcessA(dbus_exe_path, dbus_args, NULL, NULL, FALSE, CREATE_NO_WINDOW, NULL, NULL, &si, &pi))
3141 CloseHandle (pi.hThread);
3142 CloseHandle (pi.hProcess);
3143 retval = _dbus_get_autolaunch_shm( address, &shm_name );
3144 if (retval == FALSE)
3145 dbus_set_error_const (error, DBUS_ERROR_FAILED, "Failed to get autolaunch address from launched dbus-daemon");
3149 dbus_set_error_const (error, DBUS_ERROR_FAILED, "Failed to launch dbus-daemon");
3155 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
3157 _DBUS_ASSERT_ERROR_IS_SET (error);
3159 _dbus_global_unlock (mutex);
3165 /** Makes the file readable by every user in the system.
3167 * @param filename the filename
3168 * @param error error location
3169 * @returns #TRUE if the file's permissions could be changed.
3172 _dbus_make_file_world_readable(const DBusString *filename,
3180 * return the relocated DATADIR
3182 * @returns relocated DATADIR static string
3186 _dbus_windows_get_datadir (void)
3188 return _dbus_replace_install_prefix(DBUS_DATADIR);
3192 #define DBUS_DATADIR _dbus_windows_get_datadir ()
3195 #define DBUS_STANDARD_SESSION_SERVICEDIR "/dbus-1/services"
3196 #define DBUS_STANDARD_SYSTEM_SERVICEDIR "/dbus-1/system-services"
3199 * Returns the standard directories for a session bus to look for service
3202 * On Windows this should be data directories:
3204 * %CommonProgramFiles%/dbus
3208 * relocated DBUS_DATADIR
3210 * @param dirs the directory list we are returning
3211 * @returns #FALSE on OOM
3215 _dbus_get_standard_session_servicedirs (DBusList **dirs)
3217 const char *common_progs;
3218 DBusString servicedir_path;
3220 if (!_dbus_string_init (&servicedir_path))
3225 /* On Windows CE, we adjust datadir dynamically to installation location. */
3226 const char *data_dir = _dbus_getenv ("DBUS_DATADIR");
3228 if (data_dir != NULL)
3230 if (!_dbus_string_append (&servicedir_path, data_dir))
3233 if (!_dbus_string_append (&servicedir_path, _DBUS_PATH_SEPARATOR))
3239 the code for accessing services requires absolute base pathes
3240 in case DBUS_DATADIR is relative make it absolute
3246 _dbus_string_init_const (&p, DBUS_DATADIR);
3248 if (!_dbus_path_is_absolute (&p))
3250 char install_root[1000];
3251 if (_dbus_get_install_root (install_root, sizeof(install_root)))
3252 if (!_dbus_string_append (&servicedir_path, install_root))
3257 if (!_dbus_string_append (&servicedir_path, DBUS_DATADIR))
3260 if (!_dbus_string_append (&servicedir_path, _DBUS_PATH_SEPARATOR))
3264 common_progs = _dbus_getenv ("CommonProgramFiles");
3266 if (common_progs != NULL)
3268 if (!_dbus_string_append (&servicedir_path, common_progs))
3271 if (!_dbus_string_append (&servicedir_path, _DBUS_PATH_SEPARATOR))
3275 if (!_dbus_split_paths_and_append (&servicedir_path,
3276 DBUS_STANDARD_SESSION_SERVICEDIR,
3280 _dbus_string_free (&servicedir_path);
3284 _dbus_string_free (&servicedir_path);
3289 * Returns the standard directories for a system bus to look for service
3292 * On UNIX this should be the standard xdg freedesktop.org data directories:
3294 * XDG_DATA_DIRS=${XDG_DATA_DIRS-/usr/local/share:/usr/share}
3300 * On Windows there is no system bus and this function can return nothing.
3302 * @param dirs the directory list we are returning
3303 * @returns #FALSE on OOM
3307 _dbus_get_standard_system_servicedirs (DBusList **dirs)
3314 * Atomically increments an integer
3316 * @param atomic pointer to the integer to increment
3317 * @returns the value before incrementing
3321 _dbus_atomic_inc (DBusAtomic *atomic)
3323 // +/- 1 is needed here!
3324 // no volatile argument with mingw
3325 return InterlockedIncrement (&atomic->value) - 1;
3329 * Atomically decrement an integer
3331 * @param atomic pointer to the integer to decrement
3332 * @returns the value before decrementing
3336 _dbus_atomic_dec (DBusAtomic *atomic)
3338 // +/- 1 is needed here!
3339 // no volatile argument with mingw
3340 return InterlockedDecrement (&atomic->value) + 1;
3344 * Atomically get the value of an integer. It may change at any time
3345 * thereafter, so this is mostly only useful for assertions.
3347 * @param atomic pointer to the integer to get
3348 * @returns the value at this moment
3351 _dbus_atomic_get (DBusAtomic *atomic)
3353 /* In this situation, GLib issues a MemoryBarrier() and then returns
3354 * atomic->value. However, mingw from mingw.org (not to be confused with
3355 * mingw-w64 from mingw-w64.sf.net) does not have MemoryBarrier in its
3356 * headers, so we have to get a memory barrier some other way.
3358 * InterlockedIncrement is older, and is documented on MSDN to be a full
3359 * memory barrier, so let's use that.
3363 InterlockedExchange (&dummy, 1);
3365 return atomic->value;
3369 * Called when the bus daemon is signaled to reload its configuration; any
3370 * caches should be nuked. Of course any caches that need explicit reload
3371 * are probably broken, but c'est la vie.
3376 _dbus_flush_caches (void)
3381 * See if errno is EAGAIN or EWOULDBLOCK (this has to be done differently
3382 * for Winsock so is abstracted)
3384 * @returns #TRUE if errno == EAGAIN or errno == EWOULDBLOCK
3387 _dbus_get_is_errno_eagain_or_ewouldblock (void)
3389 return errno == WSAEWOULDBLOCK;
3393 * return the absolute path of the dbus installation
3395 * @param s buffer for installation path
3396 * @param len length of buffer
3397 * @returns #FALSE on failure
3400 _dbus_get_install_root(char *prefix, int len)
3402 //To find the prefix, we cut the filename and also \bin\ if present
3406 pathLength = GetModuleFileNameA(_dbus_win_get_dll_hmodule(), prefix, len);
3407 if ( pathLength == 0 || GetLastError() != 0 ) {
3411 lastSlash = _mbsrchr(prefix, '\\');
3412 if (lastSlash == NULL) {
3416 //cut off binary name
3419 //cut possible "\\bin"
3421 //this fails if we are in a double-byte system codepage and the
3422 //folder's name happens to end with the *bytes*
3423 //"\\bin"... (I.e. the second byte of some Han character and then
3424 //the Latin "bin", but that is not likely I think...
3425 if (lastSlash - prefix >= 4 && strnicmp(lastSlash - 4, "\\bin", 4) == 0)
3427 else if (lastSlash - prefix >= 10 && strnicmp(lastSlash - 10, "\\bin\\debug", 10) == 0)
3429 else if (lastSlash - prefix >= 12 && strnicmp(lastSlash - 12, "\\bin\\release", 12) == 0)
3436 find config file either from installation or build root according to
3437 the following path layout
3439 bin/dbus-daemon[d].exe
3440 etc/<config-file>.conf *or* etc/dbus-1/<config-file>.conf
3441 (the former above is what dbus4win uses, the latter above is
3442 what a "normal" Unix-style "make install" uses)
3445 bin/dbus-daemon[d].exe
3446 bus/<config-file>.conf
3449 _dbus_get_config_file_name(DBusString *config_file, char *s)
3451 char path[MAX_PATH*2];
3452 int path_size = sizeof(path);
3454 if (!_dbus_get_install_root(path,path_size))
3457 if(strlen(s) + 4 + strlen(path) > sizeof(path)-2)
3459 strcat(path,"etc\\");
3461 if (_dbus_file_exists(path))
3463 // find path from executable
3464 if (!_dbus_string_append (config_file, path))
3469 if (!_dbus_get_install_root(path,path_size))
3471 if(strlen(s) + 11 + strlen(path) > sizeof(path)-2)
3473 strcat(path,"etc\\dbus-1\\");
3476 if (_dbus_file_exists(path))
3478 if (!_dbus_string_append (config_file, path))
3483 if (!_dbus_get_install_root(path,path_size))
3485 if(strlen(s) + 4 + strlen(path) > sizeof(path)-2)
3487 strcat(path,"bus\\");
3490 if (_dbus_file_exists(path))
3492 if (!_dbus_string_append (config_file, path))
3501 * Append the absolute path of the system.conf file
3502 * (there is no system bus on Windows so this can just
3503 * return FALSE and print a warning or something)
3505 * @param str the string to append to
3506 * @returns #FALSE if no memory
3509 _dbus_append_system_config_file (DBusString *str)
3511 return _dbus_get_config_file_name(str, "system.conf");
3515 * Append the absolute path of the session.conf file.
3517 * @param str the string to append to
3518 * @returns #FALSE if no memory
3521 _dbus_append_session_config_file (DBusString *str)
3523 return _dbus_get_config_file_name(str, "session.conf");
3526 /* See comment in dbus-sysdeps-unix.c */
3528 _dbus_lookup_session_address (dbus_bool_t *supported,
3529 DBusString *address,
3532 /* Probably fill this in with something based on COM? */
3538 * Appends the directory in which a keyring for the given credentials
3539 * should be stored. The credentials should have either a Windows or
3540 * UNIX user in them. The directory should be an absolute path.
3542 * On UNIX the directory is ~/.dbus-keyrings while on Windows it should probably
3543 * be something else, since the dotfile convention is not normal on Windows.
3545 * @param directory string to append directory to
3546 * @param credentials credentials the directory should be for
3548 * @returns #FALSE on no memory
3551 _dbus_append_keyring_directory_for_credentials (DBusString *directory,
3552 DBusCredentials *credentials)
3556 const char *homepath;
3557 const char *homedrive;
3559 _dbus_assert (credentials != NULL);
3560 _dbus_assert (!_dbus_credentials_are_anonymous (credentials));
3562 if (!_dbus_string_init (&homedir))
3565 homedrive = _dbus_getenv("HOMEDRIVE");
3566 if (homedrive != NULL && *homedrive != '\0')
3568 _dbus_string_append(&homedir,homedrive);
3571 homepath = _dbus_getenv("HOMEPATH");
3572 if (homepath != NULL && *homepath != '\0')
3574 _dbus_string_append(&homedir,homepath);
3577 #ifdef DBUS_ENABLE_EMBEDDED_TESTS
3579 const char *override;
3581 override = _dbus_getenv ("DBUS_TEST_HOMEDIR");
3582 if (override != NULL && *override != '\0')
3584 _dbus_string_set_length (&homedir, 0);
3585 if (!_dbus_string_append (&homedir, override))
3588 _dbus_verbose ("Using fake homedir for testing: %s\n",
3589 _dbus_string_get_const_data (&homedir));
3593 static dbus_bool_t already_warned = FALSE;
3594 if (!already_warned)
3596 _dbus_warn ("Using your real home directory for testing, set DBUS_TEST_HOMEDIR to avoid\n");
3597 already_warned = TRUE;
3604 /* It's not possible to create a .something directory in Windows CE
3605 using the file explorer. */
3606 #define KEYRING_DIR "dbus-keyrings"
3608 #define KEYRING_DIR ".dbus-keyrings"
3611 _dbus_string_init_const (&dotdir, KEYRING_DIR);
3612 if (!_dbus_concat_dir_and_file (&homedir,
3616 if (!_dbus_string_copy (&homedir, 0,
3617 directory, _dbus_string_get_length (directory))) {
3621 _dbus_string_free (&homedir);
3625 _dbus_string_free (&homedir);
3629 /** Checks if a file exists
3631 * @param file full path to the file
3632 * @returns #TRUE if file exists
3635 _dbus_file_exists (const char *file)
3637 DWORD attributes = GetFileAttributesA (file);
3639 if (attributes != INVALID_FILE_ATTRIBUTES && GetLastError() != ERROR_PATH_NOT_FOUND)
3646 * A wrapper around strerror() because some platforms
3647 * may be lame and not have strerror().
3649 * @param error_number errno.
3650 * @returns error description.
3653 _dbus_strerror (int error_number)
3661 switch (error_number)
3664 return "Interrupted function call";
3666 return "Permission denied";
3668 return "Bad address";
3670 return "Invalid argument";
3672 return "Too many open files";
3673 case WSAEWOULDBLOCK:
3674 return "Resource temporarily unavailable";
3675 case WSAEINPROGRESS:
3676 return "Operation now in progress";
3678 return "Operation already in progress";
3680 return "Socket operation on nonsocket";
3681 case WSAEDESTADDRREQ:
3682 return "Destination address required";
3684 return "Message too long";
3686 return "Protocol wrong type for socket";
3687 case WSAENOPROTOOPT:
3688 return "Bad protocol option";
3689 case WSAEPROTONOSUPPORT:
3690 return "Protocol not supported";
3691 case WSAESOCKTNOSUPPORT:
3692 return "Socket type not supported";
3694 return "Operation not supported";
3695 case WSAEPFNOSUPPORT:
3696 return "Protocol family not supported";
3697 case WSAEAFNOSUPPORT:
3698 return "Address family not supported by protocol family";
3700 return "Address already in use";
3701 case WSAEADDRNOTAVAIL:
3702 return "Cannot assign requested address";
3704 return "Network is down";
3705 case WSAENETUNREACH:
3706 return "Network is unreachable";
3708 return "Network dropped connection on reset";
3709 case WSAECONNABORTED:
3710 return "Software caused connection abort";
3712 return "Connection reset by peer";
3714 return "No buffer space available";
3716 return "Socket is already connected";
3718 return "Socket is not connected";
3720 return "Cannot send after socket shutdown";
3722 return "Connection timed out";
3723 case WSAECONNREFUSED:
3724 return "Connection refused";
3726 return "Host is down";
3727 case WSAEHOSTUNREACH:
3728 return "No route to host";
3730 return "Too many processes";
3732 return "Graceful shutdown in progress";
3733 case WSATYPE_NOT_FOUND:
3734 return "Class type not found";
3735 case WSAHOST_NOT_FOUND:
3736 return "Host not found";
3738 return "Nonauthoritative host not found";
3739 case WSANO_RECOVERY:
3740 return "This is a nonrecoverable error";
3742 return "Valid name, no data record of requested type";
3743 case WSA_INVALID_HANDLE:
3744 return "Specified event object handle is invalid";
3745 case WSA_INVALID_PARAMETER:
3746 return "One or more parameters are invalid";
3747 case WSA_IO_INCOMPLETE:
3748 return "Overlapped I/O event object not in signaled state";
3749 case WSA_IO_PENDING:
3750 return "Overlapped operations will complete later";
3751 case WSA_NOT_ENOUGH_MEMORY:
3752 return "Insufficient memory available";
3753 case WSA_OPERATION_ABORTED:
3754 return "Overlapped operation aborted";
3755 #ifdef WSAINVALIDPROCTABLE
3757 case WSAINVALIDPROCTABLE:
3758 return "Invalid procedure table from service provider";
3760 #ifdef WSAINVALIDPROVIDER
3762 case WSAINVALIDPROVIDER:
3763 return "Invalid service provider version number";
3765 #ifdef WSAPROVIDERFAILEDINIT
3767 case WSAPROVIDERFAILEDINIT:
3768 return "Unable to initialize a service provider";
3771 case WSASYSCALLFAILURE:
3772 return "System call failure";
3774 msg = strerror (error_number);
3783 * Assigns an error name and message corresponding to a Win32 error
3784 * code to a DBusError. Does nothing if error is #NULL.
3786 * @param error the error.
3787 * @param code the Win32 error code
3790 _dbus_win_set_error_from_win_error (DBusError *error,
3795 /* As we want the English message, use the A API */
3796 FormatMessageA (FORMAT_MESSAGE_ALLOCATE_BUFFER |
3797 FORMAT_MESSAGE_IGNORE_INSERTS |
3798 FORMAT_MESSAGE_FROM_SYSTEM,
3799 NULL, code, MAKELANGID (LANG_ENGLISH, SUBLANG_ENGLISH_US),
3800 (LPSTR) &msg, 0, NULL);
3805 msg_copy = dbus_malloc (strlen (msg));
3806 strcpy (msg_copy, msg);
3809 dbus_set_error (error, "win32.error", "%s", msg_copy);
3812 dbus_set_error (error, "win32.error", "Unknown error code %d or FormatMessage failed", code);
3816 _dbus_win_warn_win_error (const char *message,
3821 dbus_error_init (&error);
3822 _dbus_win_set_error_from_win_error (&error, code);
3823 _dbus_warn ("%s: %s\n", message, error.message);
3824 dbus_error_free (&error);
3828 * Removes a directory; Directory must be empty
3830 * @param filename directory filename
3831 * @param error initialized error object
3832 * @returns #TRUE on success
3835 _dbus_delete_directory (const DBusString *filename,
3838 const char *filename_c;
3840 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
3842 filename_c = _dbus_string_get_const_data (filename);
3844 if (RemoveDirectoryA (filename_c) == 0)
3846 char *emsg = _dbus_win_error_string (GetLastError ());
3847 dbus_set_error (error, _dbus_win_error_from_last_error (),
3848 "Failed to remove directory %s: %s",
3850 _dbus_win_free_error_string (emsg);
3858 * Checks whether the filename is an absolute path
3860 * @param filename the filename
3861 * @returns #TRUE if an absolute path
3864 _dbus_path_is_absolute (const DBusString *filename)
3866 if (_dbus_string_get_length (filename) > 0)
3867 return _dbus_string_get_byte (filename, 1) == ':'
3868 || _dbus_string_get_byte (filename, 0) == '\\'
3869 || _dbus_string_get_byte (filename, 0) == '/';
3875 _dbus_check_setuid (void)
3880 /** @} end of sysdeps-win */
3881 /* tests in dbus-sysdeps-util.c */