dbus/dbus dbus-sockets-win.h, NONE, 1.1 dbus-spawn-win.c, NONE,
1.1 dbus-sysdeps-util-win.c, NONE, 1.1 dbus-sysdeps-win.c,
NONE, 1.1 dbus-sysdeps-win.h, NONE, 1.1
Ralf Habacker
rhabacker at kemper.freedesktop.org
Sat Mar 3 09:25:56 PST 2007
Update of /cvs/dbus/dbus/dbus
In directory kemper:/tmp/cvs-serv24757/dbus
Added Files:
dbus-sockets-win.h dbus-spawn-win.c dbus-sysdeps-util-win.c
dbus-sysdeps-win.c dbus-sysdeps-win.h
Log Message:
* dbus/*-win.*,bus/*-win.*: added win32 platform related
files. These files are only added to the cmake build system.
The missing dbus-win32.patch file will be added later.
--- NEW FILE: dbus-sockets-win.h ---
/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-sockets.h Wrappers around socket features (internal to D-BUS implementation)
*
* Copyright (C) 2005 Novell, Inc.
*
* Licensed under the Academic Free License version 2.1
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef DBUS_SOCKETS_H
#define DBUS_SOCKETS_H
#if defined(DBUS_WIN) || defined(DBUS_WINCE)
#ifndef STRICT
#define STRICT
#include <winsock2.h>
#undef STRICT
#endif
#include <winsock2.h>
#undef interface
#include <errno.h>
/* Make use of the fact that the WSAE* error codes don't
* overlap with errno E* codes. Wrapper functions store
* the return value from WSAGetLastError() in errno.
*/
#if defined(EPROTONOSUPPORT) || \
defined(EAFNOSUPPORT) || \
defined(EWOULDBLOCK)
#error This does not look like Win32 and the Microsoft C library
#endif
#define EPROTONOSUPPORT WSAEPROTONOSUPPORT
#define EAFNOSUPPORT WSAEAFNOSUPPORT
#define EWOULDBLOCK WSAEWOULDBLOCK
#define DBUS_SOCKET_IS_INVALID(s) ((SOCKET)(s) == INVALID_SOCKET)
#define DBUS_SOCKET_API_RETURNS_ERROR(n) ((n) == SOCKET_ERROR)
#define DBUS_SOCKET_SET_ERRNO() errno = WSAGetLastError()
#define DBUS_CLOSE_SOCKET(s) closesocket(s)
#else
#include <sys/socket.h>
#include <sys/un.h>
#include <netinet/in.h>
#include <netdb.h>
#include <errno.h>
#define DBUS_SOCKET_IS_INVALID(s) ((s) < 0)
#define DBUS_SOCKET_API_RETURNS_ERROR(n) ((n) < 0)
#define DBUS_SOCKET_SET_ERRNO() /* empty */
#define DBUS_CLOSE_SOCKET(s) close(s)
#endif /* !Win32 */
#endif /* DBUS_SOCKETS_H */
--- NEW FILE: dbus-spawn-win.c ---
#include "config.h"
#if !defined(DBUS_ENABLE_VERBOSE_MODE) || defined(_MSC_VER)
#define PING()
#else
#define PING() fprintf (stderr, "%s:%s:%d\n", __FILE__, __FUNCTION__, __LINE__); fflush (stderr)
#endif
#include <stdio.h>
#ifdef DBUS_WINCE
#include <process.h>
#endif
/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-spawn-win32.c Wrapper around g_spawn
*
* Copyright (C) 2002, 2003, 2004 Red Hat, Inc.
* Copyright (C) 2003 CodeFactory AB
* Copyright (C) 2005 Novell, Inc.
*
* Licensed under the Academic Free License version 2.1
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "dbus-spawn.h"
#include "dbus-sysdeps.h"
#include "dbus-sysdeps-win.h"
#include "dbus-internals.h"
#include "dbus-test.h"
#include "dbus-protocol.h"
#define WIN32_LEAN_AND_MEAN
//#define STRICT
//#include <windows.h>
//#undef STRICT
#include <winsock2.h>
#undef interface
#include <stdlib.h>
#include <process.h>
/**
* Babysitter implementation details
*/
struct DBusBabysitter
{
int refcount;
HANDLE start_sync_event;
#ifdef DBUS_BUILD_TESTS
HANDLE end_sync_event;
#endif
char *executable;
DBusSpawnChildSetupFunc child_setup;
void *user_data;
int argc;
char **argv;
char **envp;
HANDLE child_handle;
int socket_to_babysitter; /* Connection to the babysitter thread */
int socket_to_main;
DBusWatchList *watches;
DBusWatch *sitter_watch;
dbus_bool_t have_spawn_errno;
int spawn_errno;
dbus_bool_t have_child_status;
int child_status;
};
static DBusBabysitter*
_dbus_babysitter_new (void)
{
DBusBabysitter *sitter;
sitter = dbus_new0 (DBusBabysitter, 1);
if (sitter == NULL)
return NULL;
sitter->refcount = 1;
sitter->start_sync_event = CreateEvent (NULL, FALSE, FALSE, NULL);
if (sitter->start_sync_event == NULL)
{
_dbus_babysitter_unref (sitter);
return NULL;
}
#ifdef DBUS_BUILD_TESTS
sitter->end_sync_event = CreateEvent (NULL, FALSE, FALSE, NULL);
if (sitter->end_sync_event == NULL)
{
_dbus_babysitter_unref (sitter);
return NULL;
}
#endif
sitter->child_handle = NULL;
sitter->socket_to_babysitter = sitter->socket_to_main = -1;
sitter->argc = 0;
sitter->argv = NULL;
sitter->envp = NULL;
sitter->watches = _dbus_watch_list_new ();
if (sitter->watches == NULL)
{
_dbus_babysitter_unref (sitter);
return NULL;
}
sitter->have_spawn_errno = FALSE;
sitter->have_child_status = FALSE;
return sitter;
}
/**
* Increment the reference count on the babysitter object.
*
* @param sitter the babysitter
* @returns the babysitter
*/
DBusBabysitter *
_dbus_babysitter_ref (DBusBabysitter *sitter)
{
PING();
_dbus_assert (sitter != NULL);
_dbus_assert (sitter->refcount > 0);
sitter->refcount += 1;
return sitter;
}
/**
* Decrement the reference count on the babysitter object.
*
* @param sitter the babysitter
*/
void
_dbus_babysitter_unref (DBusBabysitter *sitter)
{
int i;
PING();
_dbus_assert (sitter != NULL);
_dbus_assert (sitter->refcount > 0);
sitter->refcount -= 1;
if (sitter->refcount == 0)
{
if (sitter->socket_to_babysitter != -1)
{
_dbus_close_socket (sitter->socket_to_babysitter, NULL);
sitter->socket_to_babysitter = -1;
}
if (sitter->socket_to_main != -1)
{
_dbus_close_socket (sitter->socket_to_main, NULL);
sitter->socket_to_main = -1;
}
PING();
if (sitter->argv != NULL)
{
for (i = 0; i < sitter->argc; i++)
if (sitter->argv[i] != NULL)
{
dbus_free (sitter->argv[i]);
sitter->argv[i] = NULL;
}
dbus_free (sitter->argv);
sitter->argv = NULL;
}
if (sitter->envp != NULL)
{
char **e = sitter->envp;
while (*e)
dbus_free (*e++);
dbus_free (sitter->envp);
sitter->envp = NULL;
}
if (sitter->child_handle != NULL)
{
CloseHandle (sitter->child_handle);
sitter->child_handle = NULL;
}
if (sitter->sitter_watch)
{
_dbus_watch_invalidate (sitter->sitter_watch);
_dbus_watch_unref (sitter->sitter_watch);
sitter->sitter_watch = NULL;
}
if (sitter->watches)
_dbus_watch_list_free (sitter->watches);
if (sitter->start_sync_event != NULL)
{
PING();
CloseHandle (sitter->start_sync_event);
sitter->end_sync_event = NULL;
}
#ifdef DBUS_BUILD_TESTS
if (sitter->end_sync_event != NULL)
{
CloseHandle (sitter->end_sync_event);
sitter->end_sync_event = NULL;
}
#endif
dbus_free (sitter->executable);
dbus_free (sitter);
}
}
void
_dbus_babysitter_kill_child (DBusBabysitter *sitter)
{
PING();
if (sitter->child_handle == NULL)
return; /* child is already dead, or we're so hosed we'll never recover */
PING();
TerminateProcess (sitter->child_handle, 12345);
}
/**
* Checks whether the child has exited, without blocking.
*
* @param sitter the babysitter
*/
dbus_bool_t
_dbus_babysitter_get_child_exited (DBusBabysitter *sitter)
{
PING();
return (sitter->child_handle == NULL);
}
/**
* Sets the #DBusError with an explanation of why the spawned
* child process exited (on a signal, or whatever). If
* the child process has not exited, does nothing (error
* will remain unset).
*
* @param sitter the babysitter
* @param error an error to fill in
*/
void
_dbus_babysitter_set_child_exit_error (DBusBabysitter *sitter,
DBusError *error)
{
PING();
if (!_dbus_babysitter_get_child_exited (sitter))
return;
PING();
if (sitter->have_spawn_errno)
{
dbus_set_error (error, DBUS_ERROR_SPAWN_EXEC_FAILED,
"Failed to execute program %s: %s",
sitter->executable, _dbus_strerror (sitter->spawn_errno));
}
else if (sitter->have_child_status)
{
PING();
dbus_set_error (error, DBUS_ERROR_SPAWN_CHILD_EXITED,
"Process %s exited with status %d",
sitter->executable, sitter->child_status);
}
else
{
PING();
dbus_set_error (error, DBUS_ERROR_FAILED,
"Process %s exited, status unknown",
sitter->executable);
}
PING();
}
dbus_bool_t
_dbus_babysitter_set_watch_functions (DBusBabysitter *sitter,
DBusAddWatchFunction add_function,
DBusRemoveWatchFunction remove_function,
DBusWatchToggledFunction toggled_function,
void *data,
DBusFreeFunction free_data_function)
{
PING();
return _dbus_watch_list_set_functions (sitter->watches,
add_function,
remove_function,
toggled_function,
data,
free_data_function);
}
static dbus_bool_t
handle_watch (DBusWatch *watch,
unsigned int condition,
void *data)
{
DBusBabysitter *sitter = data;
/* On Unix dbus-spawn uses a babysitter *process*, thus it has to
* actually send the exit statuses, error codes and whatnot through
* sockets and/or pipes. On Win32, the babysitter is jus a thread,
* so it can set the status fields directly in the babysitter struct
* just fine. The socket pipe is used just so we can watch it with
* select(), as soon as anything is written to it we know that the
* babysitter thread has recorded the status in the babysitter
* struct.
*/
PING();
_dbus_close_socket (sitter->socket_to_babysitter, NULL);
PING();
sitter->socket_to_babysitter = -1;
return TRUE;
}
/* protect_argv lifted from GLib, relicensed by author, Tor Lillqvist */
static int
protect_argv (char **argv,
char ***new_argv)
{
int i;
int argc = 0;
while (argv[argc])
++argc;
*new_argv = dbus_malloc ((argc + 1) * sizeof (char *));
if (*new_argv == NULL)
return -1;
for (i = 0; i < argc; i++)
(*new_argv)[i] = NULL;
/* Quote each argv element if necessary, so that it will get
* reconstructed correctly in the C runtime startup code. Note that
* the unquoting algorithm in the C runtime is really weird, and
* rather different than what Unix shells do. See stdargv.c in the C
* runtime sources (in the Platform SDK, in src/crt).
*
* Note that an new_argv[0] constructed by this function should
* *not* be passed as the filename argument to a spawn* or exec*
* family function. That argument should be the real file name
* without any quoting.
*/
for (i = 0; i < argc; i++)
{
char *p = argv[i];
char *q;
int len = 0;
int need_dblquotes = FALSE;
while (*p)
{
if (*p == ' ' || *p == '\t')
need_dblquotes = TRUE;
else if (*p == '"')
len++;
else if (*p == '\\')
{
char *pp = p;
while (*pp && *pp == '\\')
pp++;
if (*pp == '"')
len++;
}
len++;
p++;
}
q = (*new_argv)[i] = dbus_malloc (len + need_dblquotes*2 + 1);
if (q == NULL)
return -1;
p = argv[i];
if (need_dblquotes)
*q++ = '"';
while (*p)
{
if (*p == '"')
*q++ = '\\';
else if (*p == '\\')
{
char *pp = p;
while (*pp && *pp == '\\')
pp++;
if (*pp == '"')
*q++ = '\\';
}
*q++ = *p;
p++;
}
if (need_dblquotes)
*q++ = '"';
*q++ = '\0';
/* printf ("argv[%d]:%s, need_dblquotes:%s len:%d => %s\n", i, argv[i], need_dblquotes?"TRUE":"FALSE", len, (*new_argv)[i]); */
}
(*new_argv)[argc] = NULL;
return argc;
}
static unsigned __stdcall
babysitter (void *parameter)
{
DBusBabysitter *sitter = (DBusBabysitter *) parameter;
DBusSocket *sock;
PING();
_dbus_babysitter_ref (sitter);
if (sitter->child_setup)
{
PING();
(*sitter->child_setup) (sitter->user_data);
}
_dbus_verbose ("babysitter: spawning %s\n", sitter->executable);
fprintf (stderr, "babysitter: spawning %s\n", sitter->executable);
PING();
if (sitter->envp != NULL)
sitter->child_handle = (HANDLE) spawnve (P_NOWAIT, sitter->executable,
(const char * const *) sitter->argv,
(const char * const *) sitter->envp);
else
sitter->child_handle = (HANDLE) spawnv (P_NOWAIT, sitter->executable,
(const char * const *) sitter->argv);
PING();
if (sitter->child_handle == (HANDLE) -1)
{
sitter->child_handle = NULL;
sitter->have_spawn_errno = TRUE;
sitter->spawn_errno = errno;
}
PING();
SetEvent (sitter->start_sync_event);
if (sitter->child_handle != NULL)
{
int ret;
DWORD status;
PING();
WaitForSingleObject (sitter->child_handle, INFINITE);
PING();
ret = GetExitCodeProcess (sitter->child_handle, &status);
sitter->child_status = status;
sitter->have_child_status = TRUE;
CloseHandle (sitter->child_handle);
sitter->child_handle = NULL;
}
#ifdef DBUS_BUILD_TESTS
SetEvent (sitter->end_sync_event);
#endif
PING();
_dbus_handle_to_socket (sitter->socket_to_main, &sock);
send (sock->fd, " ", 1, 0);
_dbus_babysitter_unref (sitter);
return 0;
}
dbus_bool_t
_dbus_spawn_async_with_babysitter (DBusBabysitter **sitter_p,
char **argv,
char **envp,
DBusSpawnChildSetupFunc child_setup,
void *user_data,
DBusError *error)
{
DBusBabysitter *sitter;
HANDLE sitter_thread;
int sitter_thread_id;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
*sitter_p = NULL;
PING();
sitter = _dbus_babysitter_new ();
if (sitter == NULL)
{
_DBUS_SET_OOM (error);
return FALSE;
}
sitter->child_setup = child_setup;
sitter->user_data = user_data;
sitter->executable = _dbus_strdup (argv[0]);
if (sitter->executable == NULL)
{
_DBUS_SET_OOM (error);
goto out0;
}
PING();
if (!_dbus_full_duplex_pipe (&sitter->socket_to_babysitter,
&sitter->socket_to_main,
FALSE, error))
goto out0;
sitter->sitter_watch = _dbus_watch_new (sitter->socket_to_babysitter,
DBUS_WATCH_READABLE,
TRUE, handle_watch, sitter, NULL);
PING();
if (sitter->sitter_watch == NULL)
{
_DBUS_SET_OOM (error);
goto out0;
}
PING();
if (!_dbus_watch_list_add_watch (sitter->watches, sitter->sitter_watch))
{
_DBUS_SET_OOM (error);
goto out0;
}
sitter->argc = protect_argv (argv, &sitter->argv);
if (sitter->argc == -1)
{
_DBUS_SET_OOM (error);
goto out0;
}
sitter->envp = envp;
PING();
sitter_thread = (HANDLE) _beginthreadex (NULL, 0, babysitter,
sitter, 0, &sitter_thread_id);
if (sitter_thread == 0)
{
PING();
dbus_set_error_const (error, DBUS_ERROR_SPAWN_FORK_FAILED,
"Failed to create new thread");
goto out0;
}
CloseHandle (sitter_thread);
PING();
WaitForSingleObject (sitter->start_sync_event, INFINITE);
PING();
if (sitter_p != NULL)
*sitter_p = sitter;
else
_dbus_babysitter_unref (sitter);
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
PING();
return TRUE;
out0:
_dbus_babysitter_unref (sitter);
return FALSE;
}
#ifdef DBUS_BUILD_TESTS
#define LIVE_CHILDREN(sitter) ((sitter)->child_handle != NULL)
static void
_dbus_babysitter_block_for_child_exit (DBusBabysitter *sitter)
{
if (sitter->child_handle == NULL)
return;
WaitForSingleObject (sitter->end_sync_event, INFINITE);
}
static dbus_bool_t
check_spawn_nonexistent (void *data)
{
char *argv[4] = { NULL, NULL, NULL, NULL };
DBusBabysitter *sitter;
DBusError error;
sitter = NULL;
dbus_error_init (&error);
/*** Test launching nonexistent binary */
argv[0] = "/this/does/not/exist/32542sdgafgafdg";
if (_dbus_spawn_async_with_babysitter (&sitter, argv, NULL,
NULL, NULL,
&error))
{
_dbus_babysitter_block_for_child_exit (sitter);
_dbus_babysitter_set_child_exit_error (sitter, &error);
}
if (sitter)
_dbus_babysitter_unref (sitter);
if (!dbus_error_is_set (&error))
{
_dbus_warn ("Did not get an error launching nonexistent executable\n");
return FALSE;
}
if (!(dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY) ||
dbus_error_has_name (&error, DBUS_ERROR_SPAWN_EXEC_FAILED)))
{
_dbus_warn ("Not expecting error when launching nonexistent executable: %s: %s\n",
error.name, error.message);
dbus_error_free (&error);
return FALSE;
}
dbus_error_free (&error);
return TRUE;
}
static dbus_bool_t
check_spawn_segfault (void *data)
{
char *argv[4] = { NULL, NULL, NULL, NULL };
DBusBabysitter *sitter;
DBusError error;
sitter = NULL;
dbus_error_init (&error);
/*** Test launching segfault binary */
argv[0] = TEST_SEGFAULT_BINARY;
if (_dbus_spawn_async_with_babysitter (&sitter, argv, NULL,
NULL, NULL,
&error))
{
_dbus_babysitter_block_for_child_exit (sitter);
_dbus_babysitter_set_child_exit_error (sitter, &error);
}
if (sitter)
_dbus_babysitter_unref (sitter);
if (!dbus_error_is_set (&error))
{
_dbus_warn ("Did not get an error launching segfaulting binary\n");
return FALSE;
}
if (!(dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY) ||
dbus_error_has_name (&error, DBUS_ERROR_SPAWN_CHILD_EXITED)))
{
_dbus_warn ("Not expecting error when launching segfaulting executable: %s: %s\n",
error.name, error.message);
dbus_error_free (&error);
return FALSE;
}
dbus_error_free (&error);
return TRUE;
}
static dbus_bool_t
check_spawn_exit (void *data)
{
char *argv[4] = { NULL, NULL, NULL, NULL };
DBusBabysitter *sitter;
DBusError error;
sitter = NULL;
dbus_error_init (&error);
/*** Test launching exit failure binary */
argv[0] = TEST_EXIT_BINARY;
if (_dbus_spawn_async_with_babysitter (&sitter, argv, NULL,
NULL, NULL,
&error))
{
_dbus_babysitter_block_for_child_exit (sitter);
_dbus_babysitter_set_child_exit_error (sitter, &error);
}
if (sitter)
_dbus_babysitter_unref (sitter);
if (!dbus_error_is_set (&error))
{
_dbus_warn ("Did not get an error launching binary that exited with failure code\n");
return FALSE;
}
if (!(dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY) ||
dbus_error_has_name (&error, DBUS_ERROR_SPAWN_CHILD_EXITED)))
{
_dbus_warn ("Not expecting error when launching exiting executable: %s: %s\n",
error.name, error.message);
dbus_error_free (&error);
return FALSE;
}
dbus_error_free (&error);
return TRUE;
}
static dbus_bool_t
check_spawn_and_kill (void *data)
{
char *argv[4] = { NULL, NULL, NULL, NULL };
DBusBabysitter *sitter;
DBusError error;
sitter = NULL;
dbus_error_init (&error);
/*** Test launching sleeping binary then killing it */
argv[0] = TEST_SLEEP_FOREVER_BINARY;
if (_dbus_spawn_async_with_babysitter (&sitter, argv, NULL,
NULL, NULL,
&error))
{
_dbus_babysitter_kill_child (sitter);
_dbus_babysitter_block_for_child_exit (sitter);
_dbus_babysitter_set_child_exit_error (sitter, &error);
}
if (sitter)
_dbus_babysitter_unref (sitter);
if (!dbus_error_is_set (&error))
{
_dbus_warn ("Did not get an error after killing spawned binary\n");
return FALSE;
}
if (!(dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY) ||
dbus_error_has_name (&error, DBUS_ERROR_SPAWN_CHILD_EXITED)))
{
_dbus_warn ("Not expecting error when killing executable: %s: %s\n",
error.name, error.message);
dbus_error_free (&error);
return FALSE;
}
dbus_error_free (&error);
return TRUE;
}
dbus_bool_t
_dbus_spawn_test (const char *test_data_dir)
{
if (!_dbus_test_oom_handling ("spawn_nonexistent",
check_spawn_nonexistent,
NULL))
return FALSE;
/* Don't run the obnoxious segfault test by default,
* it's a pain to have to click all those error boxes.
*/
if (getenv ("DO_SEGFAULT_TEST"))
if (!_dbus_test_oom_handling ("spawn_segfault",
check_spawn_segfault,
NULL))
return FALSE;
if (!_dbus_test_oom_handling ("spawn_exit",
check_spawn_exit,
NULL))
return FALSE;
if (!_dbus_test_oom_handling ("spawn_and_kill",
check_spawn_and_kill,
NULL))
return FALSE;
return TRUE;
}
#endif
--- NEW FILE: dbus-sysdeps-util-win.c ---
/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-sysdeps-util.c Would be in dbus-sysdeps.c, but not used in libdbus
*
* Copyright (C) 2002, 2003, 2004, 2005 Red Hat, Inc.
* Copyright (C) 2003 CodeFactory AB
*
* Licensed under the Academic Free License version 2.1
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#undef open
#define STRSAFE_NO_DEPRECATE
#include "dbus-sysdeps.h"
#include "dbus-internals.h"
#include "dbus-protocol.h"
#include "dbus-string.h"
#include "dbus-sysdeps.h"
#include "dbus-sysdeps-win.h"
#include "dbus-memory.h"
#include <io.h>
#include <sys/stat.h>
#include <aclapi.h>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
/**
* Does the chdir, fork, setsid, etc. to become a daemon process.
*
* @param pidfile #NULL, or pidfile to create
* @param print_pid_fd file descriptor to print daemon's pid to, or -1 for none
* @param error return location for errors
* @returns #FALSE on failure
*/
dbus_bool_t
_dbus_become_daemon (const DBusString *pidfile,
int print_pid_fd,
DBusError *error)
{
return TRUE;
}
/**
* Creates a file containing the process ID.
*
* @param filename the filename to write to
* @param pid our process ID
* @param error return location for errors
* @returns #FALSE on failure
*/
dbus_bool_t
_dbus_write_pid_file (const DBusString *filename,
unsigned long pid,
DBusError *error)
{
const char *cfilename;
DBusFile file;
FILE *f;
cfilename = _dbus_string_get_const_data (filename);
if (!_dbus_open_file(&file, cfilename, O_WRONLY|O_CREAT|O_EXCL|O_BINARY, 0644))
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Failed to open \"%s\": %s", cfilename,
_dbus_strerror (errno));
return FALSE;
}
if ((f = fdopen (file.FDATA, "w")) == NULL)
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Failed to fdopen fd %d: %s", file.FDATA, _dbus_strerror (errno));
_dbus_close_file (&file, NULL);
return FALSE;
}
if (fprintf (f, "%lu\n", pid) < 0)
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Failed to write to \"%s\": %s", cfilename,
_dbus_strerror (errno));
fclose (f);
return FALSE;
}
if (fclose (f) == EOF)
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Failed to close \"%s\": %s", cfilename,
_dbus_strerror (errno));
return FALSE;
}
return TRUE;
}
/**
* Changes the user and group the bus is running as.
*
* @param uid the new user ID
* @param gid the new group ID
* @param error return location for errors
* @returns #FALSE on failure
*/
dbus_bool_t
_dbus_change_identity (dbus_uid_t uid,
dbus_gid_t gid,
DBusError *error)
{
return TRUE;
}
/** Checks if user is at the console
*
* @param username user to check
* @param error return location for errors
* @returns #TRUE is the user is at the consolei and there are no errors
*/
dbus_bool_t
_dbus_user_at_console(const char *username,
DBusError *error)
{
#ifdef DBUS_WINCE
return TRUE;
#else
dbus_bool_t retval = FALSE;
wchar_t *wusername;
DWORD sid_length;
PSID user_sid, console_user_sid;
HWINSTA winsta;
wusername = _dbus_win_utf8_to_utf16 (username, error);
if (!wusername)
return FALSE;
if (!_dbus_win_account_to_sid (wusername, &user_sid, error))
goto out0;
/* Now we have the SID for username. Get the SID of the
* user at the "console" (window station WinSta0)
*/
if (!(winsta = OpenWindowStation ("WinSta0", FALSE, READ_CONTROL)))
{
_dbus_win_set_error_from_win_error (error, GetLastError ());
goto out2;
}
sid_length = 0;
GetUserObjectInformation (winsta, UOI_USER_SID,
NULL, 0, &sid_length);
if (sid_length == 0)
{
/* Nobody is logged on */
goto out2;
}
if (sid_length < 0 || sid_length > 1000)
{
dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid SID length");
goto out3;
}
console_user_sid = dbus_malloc (sid_length);
if (!console_user_sid)
{
_DBUS_SET_OOM (error);
goto out3;
}
if (!GetUserObjectInformation (winsta, UOI_USER_SID,
console_user_sid, sid_length, &sid_length))
{
_dbus_win_set_error_from_win_error (error, GetLastError ());
goto out4;
}
if (!IsValidSid (console_user_sid))
{
dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid SID");
goto out4;
}
retval = EqualSid (user_sid, console_user_sid);
out4:
dbus_free (console_user_sid);
out3:
CloseWindowStation (winsta);
out2:
dbus_free (user_sid);
out0:
dbus_free (wusername);
return retval;
#endif //DBUS_WINCE
}
/**
* Removes a directory; Directory must be empty
*
* @param filename directory filename
* @param error initialized error object
* @returns #TRUE on success
*/
dbus_bool_t
_dbus_delete_directory (const DBusString *filename,
DBusError *error)
{
const char *filename_c;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
filename_c = _dbus_string_get_const_data (filename);
if (rmdir (filename_c) != 0)
{
dbus_set_error (error, DBUS_ERROR_FAILED,
"Failed to remove directory %s: %s\n",
filename_c, _dbus_strerror (errno));
return FALSE;
}
return TRUE;
}
/** Installs a signal handler
*
* @param sig the signal to handle
* @param handler the handler
*/
void
_dbus_set_signal_handler (int sig,
DBusSignalHandler handler)
{
_dbus_verbose ("_dbus_set_signal_handler() has to be implemented\n");
}
/**
* stat() wrapper.
*
* @param filename the filename to stat
* @param statbuf the stat info to fill in
* @param error return location for error
* @returns #FALSE if error was set
*/
dbus_bool_t
_dbus_stat(const DBusString *filename,
DBusStat *statbuf,
DBusError *error)
{
#ifdef DBUS_WINCE
return TRUE;
//TODO
#else
const char *filename_c;
#if !defined(DBUS_WIN) && !defined(DBUS_WINCE)
struct stat sb;
#else
WIN32_FILE_ATTRIBUTE_DATA wfad;
char *lastdot;
DWORD rc;
PSID owner_sid, group_sid;
PSECURITY_DESCRIPTOR sd;
#endif
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
filename_c = _dbus_string_get_const_data (filename);
if (!GetFileAttributesEx (filename_c, GetFileExInfoStandard, &wfad))
{
_dbus_win_set_error_from_win_error (error, GetLastError ());
return FALSE;
}
if (wfad.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
statbuf->mode = _S_IFDIR;
else
statbuf->mode = _S_IFREG;
statbuf->mode |= _S_IREAD;
if (wfad.dwFileAttributes & FILE_ATTRIBUTE_READONLY)
statbuf->mode |= _S_IWRITE;
lastdot = strrchr (filename_c, '.');
if (lastdot && stricmp (lastdot, ".exe") == 0)
statbuf->mode |= _S_IEXEC;
statbuf->mode |= (statbuf->mode & 0700) >> 3;
statbuf->mode |= (statbuf->mode & 0700) >> 6;
statbuf->nlink = 1;
sd = NULL;
rc = GetNamedSecurityInfo ((char *) filename_c, SE_FILE_OBJECT,
OWNER_SECURITY_INFORMATION |
GROUP_SECURITY_INFORMATION,
&owner_sid, &group_sid,
NULL, NULL,
&sd);
if (rc != ERROR_SUCCESS)
{
_dbus_win_set_error_from_win_error (error, rc);
if (sd != NULL)
LocalFree (sd);
return FALSE;
}
statbuf->uid = _dbus_win_sid_to_uid_t (owner_sid);
statbuf->gid = _dbus_win_sid_to_uid_t (group_sid);
LocalFree (sd);
statbuf->size = ((dbus_int64_t) wfad.nFileSizeHigh << 32) + wfad.nFileSizeLow;
statbuf->atime =
(((dbus_int64_t) wfad.ftLastAccessTime.dwHighDateTime << 32) +
wfad.ftLastAccessTime.dwLowDateTime) / 10000000 - DBUS_INT64_CONSTANT (116444736000000000);
statbuf->mtime =
(((dbus_int64_t) wfad.ftLastWriteTime.dwHighDateTime << 32) +
wfad.ftLastWriteTime.dwLowDateTime) / 10000000 - DBUS_INT64_CONSTANT (116444736000000000);
statbuf->ctime =
(((dbus_int64_t) wfad.ftCreationTime.dwHighDateTime << 32) +
wfad.ftCreationTime.dwLowDateTime) / 10000000 - DBUS_INT64_CONSTANT (116444736000000000);
return TRUE;
#endif //DBUS_WINCE
}
#ifdef HAVE_DIRENT_H
// mingw ships with dirent.h
#include <dirent.h>
#define _dbus_opendir opendir
#define _dbus_readdir readdir
#define _dbus_closedir closedir
#else
#ifdef HAVE_IO_H
#include <io.h> // win32 file functions
#endif
#include <sys/types.h>
#include <stdlib.h>
/* This file is part of the KDE project
Copyright (C) 2000 Werner Almesberger
libc/sys/linux/sys/dirent.h - Directory entry as returned by readdir
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#define HAVE_NO_D_NAMLEN /* no struct dirent->d_namlen */
#define HAVE_DD_LOCK /* have locking mechanism */
#define MAXNAMLEN 255 /* sizeof(struct dirent.d_name)-1 */
#define __dirfd(dir) (dir)->dd_fd
/* struct dirent - same as Unix */
struct dirent
{
long d_ino; /* inode (always 1 in WIN32) */
off_t d_off; /* offset to this dirent */
unsigned short d_reclen; /* length of d_name */
char d_name[_MAX_FNAME+1]; /* filename (null terminated) */
};
/* typedef DIR - not the same as Unix */
typedef struct
{
long handle; /* _findfirst/_findnext handle */
short offset; /* offset into directory */
short finished; /* 1 if there are not more files */
struct _finddata_t fileinfo; /* from _findfirst/_findnext */
char *dir; /* the dir we are reading */
struct dirent dent; /* the dirent to return */
}
DIR;
/**********************************************************************
* Implement dirent-style opendir/readdir/closedir on Window 95/NT
*
* Functions defined are opendir(), readdir() and closedir() with the
* same prototypes as the normal dirent.h implementation.
*
* Does not implement telldir(), seekdir(), rewinddir() or scandir().
* The dirent struct is compatible with Unix, except that d_ino is
* always 1 and d_off is made up as we go along.
*
* The DIR typedef is not compatible with Unix.
**********************************************************************/
DIR * _dbus_opendir(const char *dir)
{
DIR *dp;
char *filespec;
long handle;
int index;
filespec = malloc(strlen(dir) + 2 + 1);
strcpy(filespec, dir);
index = strlen(filespec) - 1;
if (index >= 0 && (filespec[index] == '/' || filespec[index] == '\\'))
filespec[index] = '\0';
strcat(filespec, "\\*");
dp = (DIR *)malloc(sizeof(DIR));
dp->offset = 0;
dp->finished = 0;
dp->dir = strdup(dir);
if ((handle = _findfirst(filespec, &(dp->fileinfo))) < 0)
{
if (errno == ENOENT)
dp->finished = 1;
else
return NULL;
}
dp->handle = handle;
free(filespec);
return dp;
}
struct dirent * _dbus_readdir(DIR *dp)
{
if (!dp || dp->finished)
return NULL;
if (dp->offset != 0)
{
if (_findnext(dp->handle, &(dp->fileinfo)) < 0)
{
dp->finished = 1;
errno = 0;
return NULL;
}
}
dp->offset++;
strncpy(dp->dent.d_name, dp->fileinfo.name, _MAX_FNAME);
dp->dent.d_ino = 1;
dp->dent.d_reclen = strlen(dp->dent.d_name);
dp->dent.d_off = dp->offset;
return &(dp->dent);
}
int _dbus_closedir(DIR *dp)
{
if (!dp)
return 0;
_findclose(dp->handle);
if (dp->dir)
free(dp->dir);
if (dp)
free(dp);
return 0;
}
#endif //#ifdef HAVE_DIRENT_H
/**
* Internals of directory iterator
*/
struct DBusDirIter
{
DIR *d; /**< The DIR* from opendir() */
};
/**
* Open a directory to iterate over.
*
* @param filename the directory name
* @param error exception return object or #NULL
* @returns new iterator, or #NULL on error
*/
DBusDirIter*
_dbus_directory_open (const DBusString *filename,
DBusError *error)
{
DIR *d;
DBusDirIter *iter;
const char *filename_c;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
filename_c = _dbus_string_get_const_data (filename);
d = _dbus_opendir (filename_c);
if (d == NULL)
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Failed to read directory \"%s\": %s",
filename_c,
_dbus_strerror (errno));
return NULL;
}
iter = dbus_new0 (DBusDirIter, 1);
if (iter == NULL)
{
_dbus_closedir (d);
dbus_set_error (error, DBUS_ERROR_NO_MEMORY,
"Could not allocate memory for directory iterator");
return NULL;
}
iter->d = d;
return iter;
}
/**
* Get next file in the directory. Will not return "." or ".." on
* UNIX. If an error occurs, the contents of "filename" are
* undefined. The error is never set if the function succeeds.
*
* @todo for thread safety, I think we have to use
* readdir_r(). (GLib has the same issue, should file a bug.)
*
* @param iter the iterator
* @param filename string to be set to the next file in the dir
* @param error return location for error
* @returns #TRUE if filename was filled in with a new filename
*/
dbus_bool_t
_dbus_directory_get_next_file (DBusDirIter *iter,
DBusString *filename,
DBusError *error)
{
struct dirent *ent;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
again:
errno = 0;
ent = _dbus_readdir (iter->d);
if (ent == NULL)
{
if (errno != 0)
dbus_set_error (error,
_dbus_error_from_errno (errno),
"%s", _dbus_strerror (errno));
return FALSE;
}
else if (ent->d_name[0] == '.' &&
(ent->d_name[1] == '\0' ||
(ent->d_name[1] == '.' && ent->d_name[2] == '\0')))
goto again;
else
{
_dbus_string_set_length (filename, 0);
if (!_dbus_string_append (filename, ent->d_name))
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY,
"No memory to read directory entry");
return FALSE;
}
else
return TRUE;
}
}
/**
* Closes a directory iteration.
*/
void
_dbus_directory_close (DBusDirIter *iter)
{
_dbus_closedir (iter->d);
dbus_free (iter);
}
/**
* Checks whether the filename is an absolute path
*
* @param filename the filename
* @returns #TRUE if an absolute path
*/
dbus_bool_t
_dbus_path_is_absolute (const DBusString *filename)
{
if (_dbus_string_get_length (filename) > 0)
return _dbus_string_get_byte (filename, 1) == ':'
|| _dbus_string_get_byte (filename, 0) == '\\'
|| _dbus_string_get_byte (filename, 0) == '/';
else
return FALSE;
}
static dbus_bool_t
fill_group_info(DBusGroupInfo *info,
dbus_gid_t gid,
const DBusString *groupname,
DBusError *error)
{
const char *group_c_str;
_dbus_assert (groupname != NULL || gid != DBUS_GID_UNSET);
_dbus_assert (groupname == NULL || gid == DBUS_GID_UNSET);
if (groupname)
group_c_str = _dbus_string_get_const_data (groupname);
else
group_c_str = NULL;
if (group_c_str)
{
PSID group_sid;
wchar_t *wgroupname = _dbus_win_utf8_to_utf16 (group_c_str, error);
if (!wgroupname)
return FALSE;
if (!_dbus_win_account_to_sid (wgroupname, &group_sid, error))
{
dbus_free (wgroupname);
return FALSE;
}
info->gid = _dbus_win_sid_to_uid_t (group_sid);
info->groupname = _dbus_strdup (group_c_str);
dbus_free (group_sid);
dbus_free (wgroupname);
return TRUE;
}
else
{
dbus_bool_t retval = FALSE;
wchar_t *wname, *wdomain;
char *name, *domain;
info->gid = gid;
if (!_dbus_win_sid_to_name_and_domain (gid, &wname, &wdomain, error))
return FALSE;
name = _dbus_win_utf16_to_utf8 (wname, error);
if (!name)
goto out0;
domain = _dbus_win_utf16_to_utf8 (wdomain, error);
if (!domain)
goto out1;
info->groupname = dbus_malloc (strlen (domain) + 1 + strlen (name) + 1);
strcpy (info->groupname, domain);
strcat (info->groupname, "\\");
strcat (info->groupname, name);
retval = TRUE;
dbus_free (domain);
out1:
dbus_free (name);
out0:
dbus_free (wname);
dbus_free (wdomain);
return retval;
}
}
/**
* Initializes the given DBusGroupInfo struct
* with information about the given group ID.
*
* @param info the group info struct
* @param gid group ID
* @param error the error return
* @returns #FALSE if error is set
*/
dbus_bool_t
_dbus_group_info_fill_gid (DBusGroupInfo *info,
dbus_gid_t gid,
DBusError *error)
{
return fill_group_info (info, gid, NULL, error);
}
/**
* Initializes the given DBusGroupInfo struct
* with information about the given group name.
*
* @param info the group info struct
* @param groupname name of group
* @param error the error return
* @returns #FALSE if error is set
*/
dbus_bool_t
_dbus_group_info_fill (DBusGroupInfo *info,
const DBusString *groupname,
DBusError *error)
{
return fill_group_info (info, DBUS_GID_UNSET,
groupname, error);
}
/** @} */ /* End of DBusInternalsUtils functions */
/**
* @addtogroup DBusString
*
* @{
*/
/**
* Get the directory name from a complete filename
* @param filename the filename
* @param dirname string to append directory name to
* @returns #FALSE if no memory
*/
dbus_bool_t
_dbus_string_get_dirname(const DBusString *filename,
DBusString *dirname)
{
int sep;
_dbus_assert (filename != dirname);
_dbus_assert (filename != NULL);
_dbus_assert (dirname != NULL);
/* Ignore any separators on the end */
sep = _dbus_string_get_length (filename);
if (sep == 0)
return _dbus_string_append (dirname, "."); /* empty string passed in */
while (sep > 0 &&
(_dbus_string_get_byte (filename, sep - 1) == '/' ||
_dbus_string_get_byte (filename, sep - 1) == '\\'))
--sep;
_dbus_assert (sep >= 0);
if (sep == 0 ||
(sep == 2 &&
_dbus_string_get_byte (filename, 1) == ':' &&
isalpha (_dbus_string_get_byte (filename, 0))))
return _dbus_string_copy_len (filename, 0, sep + 1,
dirname, _dbus_string_get_length (dirname));
{
int sep1, sep2;
_dbus_string_find_byte_backward (filename, sep, '/', &sep1);
_dbus_string_find_byte_backward (filename, sep, '\\', &sep2);
sep = MAX (sep1, sep2);
}
if (sep < 0)
return _dbus_string_append (dirname, ".");
while (sep > 0 &&
(_dbus_string_get_byte (filename, sep - 1) == '/' ||
_dbus_string_get_byte (filename, sep - 1) == '\\'))
--sep;
_dbus_assert (sep >= 0);
if ((sep == 0 ||
(sep == 2 &&
_dbus_string_get_byte (filename, 1) == ':' &&
isalpha (_dbus_string_get_byte (filename, 0))))
&&
(_dbus_string_get_byte (filename, sep) == '/' ||
_dbus_string_get_byte (filename, sep) == '\\'))
return _dbus_string_copy_len (filename, 0, sep + 1,
dirname, _dbus_string_get_length (dirname));
else
return _dbus_string_copy_len (filename, 0, sep - 0,
dirname, _dbus_string_get_length (dirname));
}
/** @} */ /* DBusString stuff */
--- NEW FILE: dbus-sysdeps-win.c ---
/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-sysdeps.c Wrappers around system/libc features (internal to D-BUS implementation)
*
* Copyright (C) 2002, 2003 Red Hat, Inc.
* Copyright (C) 2003 CodeFactory AB
* Copyright (C) 2005 Novell, Inc.
* Copyright (C) 2006 Ralf Habacker <ralf.habacker at freenet.de>
* Copyright (C) 2006 Peter Kümmel <syntheticpp at gmx.net>
* Copyright (C) 2006 Christian Ehrlicher <ch.ehrlicher at gmx.de>
*
* Licensed under the Academic Free License version 2.1
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#undef open
#define STRSAFE_NO_DEPRECATE
#ifndef DBUS_WINCE
#define _WIN32_WINNT 0x0500
#endif
#include "dbus-internals.h"
#include "dbus-sysdeps.h"
#include "dbus-threads.h"
#include "dbus-protocol.h"
#include "dbus-string.h"
#include "dbus-sysdeps-win.h"
#include "dbus-protocol.h"
#include "dbus-hash.h"
#include "dbus-sockets-win.h"
#include "dbus-userdb.h"
#include "dbus-list.h"
#include <windows.h>
#include <fcntl.h>
#include <process.h>
#include <sys/stat.h>
#include <sys/types.h>
#ifndef O_BINARY
#define O_BINARY 0
#endif
#ifndef HAVE_SOCKLEN_T
#define socklen_t int
#endif
_DBUS_DEFINE_GLOBAL_LOCK (win_fds);
_DBUS_DEFINE_GLOBAL_LOCK (sid_atom_cache);
static
void
_dbus_lock_sockets()
{
_dbus_assert (win_fds!=0);
_DBUS_LOCK (win_fds);
}
static
void
_dbus_unlock_sockets()
{
_dbus_assert (win_fds!=0);
_DBUS_UNLOCK (win_fds);
}
#ifdef _DBUS_WIN_USE_RANDOMIZER
static int win_encap_randomizer;
#endif
static DBusHashTable *sid_atom_cache = NULL;
static DBusString dbusdir;
static int working_dir_init = 0;
int _dbus_init_working_dir(char *s)
{
/* change working directory to one level above
of dbus-daemon executable path.
This allows the usage of relative path in
config files or command line parameters */
DBusString daemon_path,bin_path;
if (!_dbus_string_init (&daemon_path))
return FALSE;
if (!_dbus_string_init (&bin_path))
return FALSE;
if (!_dbus_string_init (&dbusdir))
return FALSE;
_dbus_string_append(&daemon_path,s);
_dbus_string_get_dirname(&daemon_path,&bin_path);
_dbus_string_get_dirname(&bin_path,&dbusdir);
chdir(_dbus_string_get_const_data(&dbusdir));
_dbus_verbose ("Change working path to %s\n",_dbus_string_get_const_data (&dbusdir));
working_dir_init = 1;
return TRUE;
}
DBusString *_dbus_get_working_dir(void)
{
if (!working_dir_init)
return NULL;
_dbus_verbose ("retrieving working path %s\n",_dbus_string_get_const_data (&dbusdir));
return &dbusdir;
}
/**
* File interface
*
*/
dbus_bool_t
_dbus_open_file (DBusFile *file,
const char *filename,
int oflag,
int pmode)
{
if (pmode!=-1)
file->FDATA = _open (filename, oflag, pmode);
else
file->FDATA = _open (filename, oflag);
if (file->FDATA >= 0)
return TRUE;
else
{
file->FDATA = -1;
return FALSE;
}
}
dbus_bool_t
_dbus_close_file (DBusFile *file,
DBusError *error)
{
const int fd = file->FDATA;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
_dbus_assert (fd >= 0);
if (_close (fd) == -1)
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Could not close fd %d: %s", fd,
_dbus_strerror (errno));
return FALSE;
}
file->FDATA = -1;
_dbus_verbose ("closed C file descriptor %d:\n",fd);
return TRUE;
}
int
_dbus_read_file(DBusFile *file,
DBusString *buffer,
int count)
{
const int fd = file->FDATA;
int bytes_read;
int start;
char *data;
_dbus_assert (count >= 0);
start = _dbus_string_get_length (buffer);
if (!_dbus_string_lengthen (buffer, count))
{
errno = ENOMEM;
return -1;
}
data = _dbus_string_get_data_len (buffer, start, count);
_dbus_assert (fd >= 0);
_dbus_verbose ("read: count=%d fd=%d\n", count, fd);
bytes_read = read (fd, data, count);
if (bytes_read == -1)
_dbus_verbose ("read: failed: %s\n", _dbus_strerror (errno));
else
_dbus_verbose ("read: = %d\n", bytes_read);
if (bytes_read < 0)
{
/* put length back (note that this doesn't actually realloc anything) */
_dbus_string_set_length (buffer, start);
return -1;
}
else
{
/* put length back (doesn't actually realloc) */
_dbus_string_set_length (buffer, start + bytes_read);
#if 0
if (bytes_read > 0)
_dbus_verbose_bytes_of_string (buffer, start, bytes_read);
#endif
return bytes_read;
}
}
int
_dbus_write_file (DBusFile *file,
const DBusString *buffer,
int start,
int len)
{
const int fd = file->FDATA;
const char *data;
int bytes_written;
data = _dbus_string_get_const_data_len (buffer, start, len);
_dbus_assert (fd >= 0);
_dbus_verbose ("write: len=%d fd=%d\n", len, fd);
bytes_written = write (fd, data, len);
if (bytes_written == -1)
_dbus_verbose ("write: failed: %s\n", _dbus_strerror (errno));
else
_dbus_verbose ("write: = %d\n", bytes_written);
#if 0
if (bytes_written > 0)
_dbus_verbose_bytes_of_string (buffer, start, bytes_written);
#endif
return bytes_written;
}
dbus_bool_t
_dbus_is_valid_file (DBusFile* file)
{
return file->FDATA >= 0;
}
dbus_bool_t _dbus_fstat (DBusFile *file,
struct stat *sb)
{
return fstat(file->FDATA, sb) >= 0;
}
int
_dbus_write_pipe (DBusPipe pipe,
const DBusString *buffer,
int start,
int len)
{
DBusFile file;
file.FDATA = pipe;
return _dbus_write_file(&file, buffer, start, len);
}
int
_dbus_read_pipe(DBusPipe pipe,
DBusString *buffer,
int count)
{
DBusFile file;
file.FDATA = pipe;
return _dbus_read_file(&file, buffer, count);
}
#undef FDATA
/**
* Socket interface
*
*/
static DBusSocket *win_fds = NULL;
static int win_n_fds = 0; // is this the size? rename to win_fds_size? #
#if 0
#define TO_HANDLE(n) ((n)^win32_encap_randomizer)
#define FROM_HANDLE(n) ((n)^win32_encap_randomizer)
#else
#define TO_HANDLE(n) ((n)+0x10000000)
#define FROM_HANDLE(n) ((n)-0x10000000)
#define IS_HANDLE(n) ((n)&0x10000000)
#endif
static
void
_dbus_win_deallocate_fd (int fd)
{
_DBUS_LOCK (win_fds);
win_fds[FROM_HANDLE (fd)].is_used = 0;
_DBUS_UNLOCK (win_fds);
}
static
int
_dbus_win_allocate_fd (void)
{
int i;
_DBUS_LOCK (win_fds);
if (win_fds == NULL)
{
#ifdef _DBUS_WIN_USE_RANDOMIZER
DBusString random;
#endif
win_n_fds = 16;
/* Use malloc to avoid memory leak failure in dbus-test */
win_fds = malloc (win_n_fds * sizeof (*win_fds));
_dbus_assert (win_fds != NULL);
for (i = 0; i < win_n_fds; i++)
win_fds[i].is_used = 0;
#ifdef _DBUS_WIN_USE_RANDOMIZER
_dbus_string_init (&random);
_dbus_generate_random_bytes (&random, sizeof (int));
memmove (&win_encap_randomizer, _dbus_string_get_const_data (&random), sizeof (int));
win_encap_randomizer &= 0xFF;
_dbus_string_free (&random);
#endif
}
for (i = 0; i < win_n_fds && win_fds[i].is_used != 0; i++)
;
if (i == win_n_fds)
{
int oldn = win_n_fds;
int j;
win_n_fds += 16;
win_fds = realloc (win_fds, win_n_fds * sizeof (*win_fds));
_dbus_assert (win_fds != NULL);
for (j = oldn; j < win_n_fds; j++)
win_fds[i].is_used = 0;
}
memset(&win_fds[i], 0, sizeof(win_fds[i]));
win_fds[i].is_used = 1;
win_fds[i].fd = -1;
win_fds[i].port_file_fd = -1;
win_fds[i].close_on_exec = FALSE;
win_fds[i].non_blocking = FALSE;
_DBUS_UNLOCK (win_fds);
return i;
}
static
int
_dbus_create_handle_from_socket (int s)
{
int i;
int handle = -1;
// check: parameter must be a valid value
_dbus_assert(s != -1);
_dbus_assert(!IS_HANDLE(s));
// get index of a new position in the map
i = _dbus_win_allocate_fd ();
// fill new posiiton in the map: value->index
win_fds[i].fd = s;
win_fds[i].is_used = 1;
// create handle from the index: index->handle
handle = TO_HANDLE (i);
_dbus_verbose ("_dbus_create_handle_from_value, value: %d, handle: %d\n", s, handle);
return handle;
}
int
_dbus_socket_to_handle (DBusSocket *s)
{
int i;
int handle = -1;
// check: parameter must be a valid socket
_dbus_assert(s != NULL);
_dbus_assert(s->fd != -1);
_dbus_assert(!IS_HANDLE(s->fd));
_DBUS_LOCK (win_fds);
// at the first call there is no win_fds
// will be constructed _dbus_create_handle_from_socket
// because handle = -1
if (win_fds != NULL)
{
// search for the value in the map
// find the index of the value: value->index
for (i = 0; i < win_n_fds; i++)
if (win_fds[i].is_used == 1 && win_fds[i].fd == s->fd)
{
// create handle from the index: index->handle
handle = TO_HANDLE (i);
break;
}
}
_DBUS_UNLOCK (win_fds);
if (handle == -1)
{
handle = _dbus_create_handle_from_socket(s->fd);
}
_dbus_assert(handle != -1);
return handle;
}
static
void
_dbus_handle_to_socket_unlocked (int handle,
DBusSocket **ptr)
{
int i;
// check: parameter must be a valid handle
_dbus_assert(handle != -1);
_dbus_assert(IS_HANDLE(handle));
_dbus_assert(ptr != NULL);
// map from handle to index: handle->index
i = FROM_HANDLE (handle);
_dbus_assert (win_fds != NULL);
_dbus_assert (i >= 0 && i < win_n_fds);
// check for if fd is valid
_dbus_assert (win_fds[i].is_used == 1);
// get socket from index: index->socket
*ptr = &win_fds[i];
_dbus_verbose ("_dbus_socket_to_handle_unlocked: socket=%d, handle=%d, index=%d\n", (*ptr)->fd, handle, i);
}
void
_dbus_handle_to_socket (int handle,
DBusSocket **ptr)
{
_dbus_lock_sockets();
_dbus_handle_to_socket_unlocked (handle, ptr);
_dbus_unlock_sockets();
}
#undef TO_HANDLE
#undef IS_HANDLE
#undef FROM_HANDLE
#define FROM_HANDLE(n) 1==DBUS_WIN_DONT_USE__FROM_HANDLE__DIRECTLY
#define win_fds 1==DBUS_WIN_DONT_USE_win_fds_DIRECTLY
/**
* Thin wrapper around the read() system call that appends
* the data it reads to the DBusString buffer. It appends
* up to the given count, and returns the same value
* and same errno as read(). The only exception is that
* _dbus_read() handles EINTR for you. _dbus_read() can
* return ENOMEM, even though regular UNIX read doesn't.
*
* @param fd the file descriptor to read from
* @param buffer the buffer to append data to
* @param count the amount of data to read
* @returns the number of bytes read or -1
*/
int
_dbus_read_socket (int handle,
DBusString *buffer,
int count)
{
DBusSocket *s;
int bytes_read;
int start;
char *data;
_dbus_assert (count >= 0);
start = _dbus_string_get_length (buffer);
if (!_dbus_string_lengthen (buffer, count))
{
errno = ENOMEM;
return -1;
}
data = _dbus_string_get_data_len (buffer, start, count);
_dbus_handle_to_socket(handle, &s);
if(s->is_used)
{
_dbus_verbose ("recv: count=%d socket=%d\n", count, s->fd);
bytes_read = recv (s->fd, data, count, 0);
if (bytes_read == SOCKET_ERROR)
{
DBUS_SOCKET_SET_ERRNO();
_dbus_verbose ("recv: failed: %s\n", _dbus_strerror (errno));
bytes_read = -1;
}
else
_dbus_verbose ("recv: = %d\n", bytes_read);
}
else
{
_dbus_assert_not_reached ("no valid socket");
}
if (bytes_read < 0)
{
/* put length back (note that this doesn't actually realloc anything) */
_dbus_string_set_length (buffer, start);
return -1;
}
else
{
/* put length back (doesn't actually realloc) */
_dbus_string_set_length (buffer, start + bytes_read);
#if 0
if (bytes_read > 0)
_dbus_verbose_bytes_of_string (buffer, start, bytes_read);
#endif
return bytes_read;
}
}
/**
* Thin wrapper around the write() system call that writes a part of a
* DBusString and handles EINTR for you.
*
* @param fd the file descriptor to write
* @param buffer the buffer to write data from
* @param start the first byte in the buffer to write
* @param len the number of bytes to try to write
* @returns the number of bytes written or -1 on error
*/
int
_dbus_write_socket (int handle,
const DBusString *buffer,
int start,
int len)
{
DBusSocket *s;
int is_used;
const char *data;
int bytes_written;
data = _dbus_string_get_const_data_len (buffer, start, len);
_dbus_handle_to_socket(handle, &s);
if (s->is_used)
{
_dbus_verbose ("send: len=%d socket=%d\n", len, s->fd);
bytes_written = send (s->fd, data, len, 0);
if (bytes_written == SOCKET_ERROR)
{
DBUS_SOCKET_SET_ERRNO();
_dbus_verbose ("send: failed: %s\n", _dbus_strerror (errno));
bytes_written = -1;
}
else
_dbus_verbose ("send: = %d\n", bytes_written);
}
else
{
_dbus_assert_not_reached ("unhandled fd type");
}
#if 0
if (bytes_written > 0)
_dbus_verbose_bytes_of_string (buffer, start, bytes_written);
#endif
return bytes_written;
}
/**
* Closes a file descriptor.
*
* @param fd the file descriptor
* @param error error object
* @returns #FALSE if error set
*/
dbus_bool_t
_dbus_close_socket (int handle,
DBusError *error)
{
DBusSocket *s;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
_dbus_lock_sockets();
_dbus_handle_to_socket_unlocked (handle, &s);
if (s->is_used)
{
if (s->port_file_fd >= 0)
{
_chsize (s->port_file_fd, 0);
close (s->port_file_fd);
s->port_file_fd = -1;
unlink (_dbus_string_get_const_data (&s->port_file));
free ((char *) _dbus_string_get_const_data (&s->port_file));
}
if (closesocket (s->fd) == SOCKET_ERROR)
{
DBUS_SOCKET_SET_ERRNO ();
dbus_set_error (error, _dbus_error_from_errno (errno),
"Could not close socket: socket=%d, handle=%d, %s",
s->fd, handle, _dbus_strerror (errno));
_dbus_unlock_sockets();
return FALSE;
}
_dbus_verbose ("_dbus_close_socket: socket=%d, handle=%d\n",
s->fd, handle);
}
else
{
_dbus_assert_not_reached ("unhandled fd type");
}
_dbus_unlock_sockets();
_dbus_win_deallocate_fd (handle);
return TRUE;
}
/**
* Sets the file descriptor to be close
* on exec. Should be called for all file
* descriptors in D-Bus code.
*
* @param fd the file descriptor
*/
void
_dbus_fd_set_close_on_exec (int handle)
{
DBusSocket *s;
if (handle < 0)
return;
_dbus_lock_sockets();
_dbus_handle_to_socket_unlocked (handle, &s);
s->close_on_exec = TRUE;
_dbus_unlock_sockets();
}
/**
* Sets a file descriptor to be nonblocking.
*
* @param fd the file descriptor.
* @param error address of error location.
* @returns #TRUE on success.
*/
dbus_bool_t
_dbus_set_fd_nonblocking (int handle,
DBusError *error)
{
DBusSocket *s;
u_long one = 1;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
_dbus_lock_sockets();
_dbus_handle_to_socket_unlocked(handle, &s);
if (s->is_used)
{
if (ioctlsocket (s->fd, FIONBIO, &one) == SOCKET_ERROR)
{
dbus_set_error (error, _dbus_error_from_errno (WSAGetLastError ()),
"Failed to set socket %d:%d to nonblocking: %s", s->fd,
_dbus_strerror (WSAGetLastError ()));
_dbus_unlock_sockets();
return FALSE;
}
}
else
{
_dbus_assert_not_reached ("unhandled fd type");
}
_dbus_unlock_sockets();
return TRUE;
}
/**
* Like _dbus_write() but will use writev() if possible
* to write both buffers in sequence. The return value
* is the number of bytes written in the first buffer,
* plus the number written in the second. If the first
* buffer is written successfully and an error occurs
* writing the second, the number of bytes in the first
* is returned (i.e. the error is ignored), on systems that
* don't have writev. Handles EINTR for you.
* The second buffer may be #NULL.
*
* @param fd the file descriptor
* @param buffer1 first buffer
* @param start1 first byte to write in first buffer
* @param len1 number of bytes to write from first buffer
* @param buffer2 second buffer, or #NULL
* @param start2 first byte to write in second buffer
* @param len2 number of bytes to write in second buffer
* @returns total bytes written from both buffers, or -1 on error
*/
int
_dbus_write_socket_two (int handle,
const DBusString *buffer1,
int start1,
int len1,
const DBusString *buffer2,
int start2,
int len2)
{
DBusSocket *s;
WSABUF vectors[2];
const char *data1;
const char *data2;
int rc;
DWORD bytes_written;
int ret1;
_dbus_assert (buffer1 != NULL);
_dbus_assert (start1 >= 0);
_dbus_assert (start2 >= 0);
_dbus_assert (len1 >= 0);
_dbus_assert (len2 >= 0);
_dbus_handle_to_socket(handle, &s);
data1 = _dbus_string_get_const_data_len (buffer1, start1, len1);
if (buffer2 != NULL)
data2 = _dbus_string_get_const_data_len (buffer2, start2, len2);
else
{
data2 = NULL;
start2 = 0;
len2 = 0;
}
if (s->is_used)
{
vectors[0].buf = (char*) data1;
vectors[0].len = len1;
vectors[1].buf = (char*) data2;
vectors[1].len = len2;
_dbus_verbose ("WSASend: len1+2=%d+%d socket=%d\n", len1, len2, s->fd);
rc = WSASend (s->fd, vectors, data2 ? 2 : 1, &bytes_written,
0, NULL, NULL);
if (rc < 0)
{
DBUS_SOCKET_SET_ERRNO ();
_dbus_verbose ("WSASend: failed: %s\n", _dbus_strerror (errno));
bytes_written = -1;
}
else
_dbus_verbose ("WSASend: = %ld\n", bytes_written);
return bytes_written;
}
else
{
_dbus_assert_not_reached ("unhandled fd type");
}
return 0;
}
/**
* @def _DBUS_MAX_SUN_PATH_LENGTH
*
* Maximum length of the path to a UNIX domain socket,
* sockaddr_un::sun_path member. POSIX requires that all systems
* support at least 100 bytes here, including the nul termination.
* We use 99 for the max value to allow for the nul.
*
* We could probably also do sizeof (addr.sun_path)
* but this way we are the same on all platforms
* which is probably a good idea.
*/
/**
* Creates a socket and connects it to the UNIX domain socket at the
* given path. The connection fd is returned, and is set up as
* nonblocking.
*
* On Windows there are no UNIX domain sockets. Instead, connects to a
* localhost-bound TCP socket, whose port number is stored in a file
* at the given path.
*
* Uses abstract sockets instead of filesystem-linked sockets if
* requested (it's possible only on Linux; see "man 7 unix" on Linux).
* On non-Linux abstract socket usage always fails.
*
* @param path the path to UNIX domain socket
* @param abstract #TRUE to use abstract namespace
* @param error return location for error code
* @returns connection file descriptor or -1 on error
*/
int
_dbus_connect_unix_socket (const char *path,
dbus_bool_t abstract,
DBusError *error)
{
#ifdef DBUS_WINCE
return -1;
#else
int fd, n, port;
char buf[7];
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
_dbus_verbose ("connecting to pseudo-unix socket at %s\n",
path);
if (abstract)
{
dbus_set_error (error, DBUS_ERROR_NOT_SUPPORTED,
"Implementation does not support abstract socket namespace\n");
return -1;
}
fd = _sopen (path, O_RDONLY, SH_DENYNO);
if (fd == -1)
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Failed to open file %s: %s",
path, _dbus_strerror (errno));
return -1;
}
n = read (fd, buf, sizeof (buf) - 1);
close (fd);
if (n == 0)
{
dbus_set_error (error, DBUS_ERROR_FAILED,
"Failed to read port number from file %s",
path);
return -1;
}
buf[n] = '\0';
port = atoi (buf);
if (port <= 0 || port > 0xFFFF)
{
dbus_set_error (error, DBUS_ERROR_FAILED,
"Invalid port numer in file %s",
path);
return -1;
}
return _dbus_connect_tcp_socket (NULL, port, error);
#endif //DBUS_WINCE
}
/**
* Creates a socket and binds it to the given path,
* then listens on the socket. The socket is
* set to be nonblocking.
*
* Uses abstract sockets instead of filesystem-linked
* sockets if requested (it's possible only on Linux;
* see "man 7 unix" on Linux).
* On non-Linux abstract socket usage always fails.
*
* @param path the socket name
* @param abstract #TRUE to use abstract namespace
* @param error return location for errors
* @returns the listening file descriptor or -1 on error
*/
int
_dbus_listen_unix_socket (const char *path,
dbus_bool_t abstract,
DBusError *error)
{
#ifdef DBUS_WINCE
return -1;
#else
DBusSocket *s;
int listen_handle;
struct sockaddr sa;
int addr_len;
int filefd;
int n, l;
DBusString portstr;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
_dbus_verbose ("listening on pseudo-unix socket at %s\n",
path);
if (abstract)
{
dbus_set_error (error, DBUS_ERROR_NOT_SUPPORTED,
"Implementation does not support abstract socket namespace\n");
return -1;
}
listen_handle = _dbus_listen_tcp_socket (NULL, 0, error);
if (listen_handle == -1)
return -1;
_dbus_handle_to_socket(listen_handle, &s);
addr_len = sizeof (sa);
if (getsockname (s->fd, &sa, &addr_len) == SOCKET_ERROR)
{
DBUS_SOCKET_SET_ERRNO ();
dbus_set_error (error, _dbus_error_from_errno (errno),
"getsockname failed: %s",
_dbus_strerror (errno));
_dbus_close_socket (listen_handle, NULL);
return -1;
}
_dbus_assert (((struct sockaddr_in*) &sa)->sin_family == AF_INET);
filefd = _sopen (path, O_CREAT|O_WRONLY|_O_SHORT_LIVED, SH_DENYWR, 0666);
if (filefd == -1)
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Failed to create pseudo-unix socket port number file %s: %s",
path, _dbus_strerror (errno));
_dbus_close_socket (listen_handle, NULL);
return -1;
}
_dbus_lock_sockets();
_dbus_handle_to_socket_unlocked(listen_handle, &s);
s->port_file_fd = filefd;
_dbus_unlock_sockets();
/* Use strdup() to avoid memory leak in dbus-test */
path = strdup (path);
if (!path)
{
_DBUS_SET_OOM (error);
_dbus_close_socket (listen_handle, NULL);
return -1;
}
_dbus_string_init_const (&s->port_file, path);
if (!_dbus_string_init (&portstr))
{
_DBUS_SET_OOM (error);
_dbus_close_socket (listen_handle, NULL);
return -1;
}
if (!_dbus_string_append_int (&portstr, ntohs (((struct sockaddr_in*) &sa)->sin_port)))
{
_DBUS_SET_OOM (error);
_dbus_close_socket (listen_handle, NULL);
return -1;
}
l = _dbus_string_get_length (&portstr);
n = write (filefd, _dbus_string_get_const_data (&portstr), l);
_dbus_string_free (&portstr);
if (n == -1)
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Failed to write port number to file %s: %s",
path, _dbus_strerror (errno));
_dbus_close_socket (listen_handle, NULL);
return -1;
}
else if (n < l)
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Failed to write port number to file %s",
path);
_dbus_close_socket (listen_handle, NULL);
return -1;
}
return listen_handle;
#endif //DBUS_WINCE
}
#if 0
/**
* Opens the client side of a Windows named pipe. The connection D-BUS
* file descriptor index is returned. It is set up as nonblocking.
*
* @param path the path to named pipe socket
* @param error return location for error code
* @returns connection D-BUS file descriptor or -1 on error
*/
int
_dbus_connect_named_pipe (const char *path,
DBusError *error)
{
_dbus_assert_not_reached ("not implemented");
}
#endif
dbus_bool_t
_dbus_account_to_win_sid (const wchar_t *waccount,
void **ppsid,
DBusError *error)
{
dbus_bool_t retval = FALSE;
DWORD sid_length, wdomain_length;
SID_NAME_USE use;
wchar_t *wdomain;
*ppsid = NULL;
sid_length = 0;
wdomain_length = 0;
if (!LookupAccountNameW (NULL, waccount, NULL, &sid_length,
NULL, &wdomain_length, &use)
&& GetLastError () != ERROR_INSUFFICIENT_BUFFER)
{
_dbus_win_set_error_from_win_error (error, GetLastError ());
return FALSE;
}
*ppsid = dbus_malloc (sid_length);
if (!*ppsid)
{
_DBUS_SET_OOM (error);
return FALSE;
}
wdomain = dbus_new (wchar_t, wdomain_length);
if (!wdomain)
{
_DBUS_SET_OOM (error);
goto out1;
}
if (!LookupAccountNameW (NULL, waccount, (PSID) *ppsid, &sid_length,
wdomain, &wdomain_length, &use))
{
_dbus_win_set_error_from_win_error (error, GetLastError ());
goto out2;
}
if (!IsValidSid ((PSID) *ppsid))
{
dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid SID");
goto out2;
}
retval = TRUE;
out2:
dbus_free (wdomain);
out1:
if (!retval)
{
dbus_free (*ppsid);
*ppsid = NULL;
}
return retval;
}
dbus_bool_t
fill_win_user_info_name_and_groups (wchar_t *wname,
wchar_t *wdomain,
DBusUserInfo *info,
DBusError *error)
{
#ifdef DBUS_WINCE
return TRUE;
#else
dbus_bool_t retval = FALSE;
char *name, *domain;
LPLOCALGROUP_USERS_INFO_0 local_groups = NULL;
LPGROUP_USERS_INFO_0 global_groups = NULL;
DWORD nread, ntotal;
name = _dbus_win_utf16_to_utf8 (wname, error);
if (!name)
return FALSE;
domain = _dbus_win_utf16_to_utf8 (wdomain, error);
if (!domain)
goto out0;
info->username = dbus_malloc (strlen (domain) + 1 + strlen (name) + 1);
if (!info->username)
{
_DBUS_SET_OOM (error);
goto out1;
}
strcpy (info->username, domain);
strcat (info->username, "\\");
strcat (info->username, name);
info->n_group_ids = 0;
if (NetUserGetLocalGroups (NULL, wname, 0, LG_INCLUDE_INDIRECT,
(LPBYTE *) &local_groups, MAX_PREFERRED_LENGTH,
&nread, &ntotal) == NERR_Success)
{
DWORD i;
int n;
info->group_ids = dbus_new (dbus_gid_t, nread);
if (!info->group_ids)
{
_DBUS_SET_OOM (error);
goto out3;
}
for (i = n = 0; i < nread; i++)
{
PSID group_sid;
if (_dbus_account_to_win_sid (local_groups[i].lgrui0_name,
&group_sid, error))
{
info->group_ids[n++] = _dbus_win_sid_to_uid_t (group_sid);
dbus_free (group_sid);
}
}
info->n_group_ids = n;
}
if (NetUserGetGroups (NULL, wname, 0,
(LPBYTE *) &global_groups, MAX_PREFERRED_LENGTH,
&nread, &ntotal) == NERR_Success)
{
DWORD i;
int n = info->n_group_ids;
info->group_ids = dbus_realloc (info->group_ids, (n + nread) * sizeof (dbus_gid_t));
if (!info->group_ids)
{
_DBUS_SET_OOM (error);
goto out4;
}
for (i = 0; i < nread; i++)
{
PSID group_sid;
if (_dbus_account_to_win_sid (global_groups[i].grui0_name,
&group_sid, error))
{
info->group_ids[n++] = _dbus_win_sid_to_uid_t (group_sid);
dbus_free (group_sid);
}
}
info->n_group_ids = n;
}
if (info->n_group_ids > 0)
{
/* FIXME: find out actual primary group */
info->primary_gid = info->group_ids[0];
}
else
{
info->group_ids = dbus_new (dbus_gid_t, 1);
info->n_group_ids = 1;
info->group_ids[0] = DBUS_GID_UNSET;
info->primary_gid = DBUS_GID_UNSET;
}
retval = TRUE;
out4:
if (global_groups != NULL)
NetApiBufferFree (global_groups);
out3:
if (local_groups != NULL)
NetApiBufferFree (local_groups);
out1:
dbus_free (domain);
out0:
dbus_free (name);
return retval;
#endif //DBUS_WINCE
}
dbus_bool_t
fill_win_user_info_homedir (wchar_t *wname,
wchar_t *wdomain,
DBusUserInfo *info,
DBusError *error)
{
#ifdef DBUS_WINCE
//TODO
return TRUE;
#else
dbus_bool_t retval = FALSE;
USER_INFO_1 *user_info = NULL;
wchar_t wcomputername[MAX_COMPUTERNAME_LENGTH + 1];
DWORD wcomputername_length = MAX_COMPUTERNAME_LENGTH + 1;
dbus_bool_t local_computer;
wchar_t *dc = NULL;
NET_API_STATUS ret = 0;
/* If the domain is this computer's name, assume it's a local user.
* Otherwise look up a DC for the domain, and ask it.
*/
GetComputerNameW (wcomputername, &wcomputername_length);
local_computer = (wcsicmp (wcomputername, wdomain) == 0);
if (!local_computer)
{
ret = NetGetAnyDCName (NULL, wdomain, (LPBYTE *) &dc);
if (ret != NERR_Success)
{
info->homedir = _dbus_strdup ("\\");
_dbus_warn("NetGetAnyDCName() failed with errorcode %d '%s'\n",ret,_dbus_lm_strerror(ret));
return TRUE;
}
}
/* No way to find out the profile of another user, let's try the
* "home directory" from NetUserGetInfo's USER_INFO_1.
*/
ret = NetUserGetInfo (dc, wname, 1, (LPBYTE *) &user_info);
if (ret == NERR_Success )
if(user_info->usri1_home_dir != NULL &&
user_info->usri1_home_dir != (LPWSTR)0xfeeefeee && /* freed memory http://www.gamedev.net/community/forums/topic.asp?topic_id=158402 */
user_info->usri1_home_dir[0] != '\0')
{
info->homedir = _dbus_win_utf16_to_utf8 (user_info->usri1_home_dir, error);
if (!info->homedir)
goto out1;
}
else
{
_dbus_verbose("NetUserGetInfo() returned no home dir entry\n");
/* Not set, so use something random. */
info->homedir = _dbus_strdup ("\\");
}
else
{
char *dc_string = _dbus_win_utf16_to_utf8(dc,error);
_dbus_warn("NetUserGetInfo() failed with errorcode %d '%s', %s\n",ret,_dbus_lm_strerror(ret),dc_string);
dbus_free(dc_string);
/* Not set, so use something random. */
info->homedir = _dbus_strdup ("\\");
}
retval = TRUE;
out1:
if (dc != NULL)
NetApiBufferFree (dc);
if (user_info != NULL)
NetApiBufferFree (user_info);
return retval;
#endif //DBUS_WINCE
}
dbus_bool_t
fill_win_user_info_from_name (wchar_t *wname,
DBusUserInfo *info,
DBusError *error)
{
#ifdef DBUS_WINCE
return TRUE;
//TODO
#else
dbus_bool_t retval = FALSE;
PSID sid;
wchar_t *wdomain;
DWORD sid_length, wdomain_length;
SID_NAME_USE use;
sid_length = 0;
wdomain_length = 0;
if (!LookupAccountNameW (NULL, wname, NULL, &sid_length,
NULL, &wdomain_length, &use) &&
GetLastError () != ERROR_INSUFFICIENT_BUFFER)
{
_dbus_win_set_error_from_win_error (error, GetLastError ());
return FALSE;
}
sid = dbus_malloc (sid_length);
if (!sid)
{
_DBUS_SET_OOM (error);
return FALSE;
}
wdomain = dbus_new (wchar_t, wdomain_length);
if (!wdomain)
{
_DBUS_SET_OOM (error);
goto out0;
}
if (!LookupAccountNameW (NULL, wname, sid, &sid_length,
wdomain, &wdomain_length, &use))
{
_dbus_win_set_error_from_win_error (error, GetLastError ());
goto out1;
}
if (!IsValidSid (sid))
{
dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid SID");
goto out1;
}
info->uid = _dbus_win_sid_to_uid_t (sid);
if (!fill_win_user_info_name_and_groups (wname, wdomain, info, error))
goto out1;
if (!fill_win_user_info_homedir (wname, wdomain, info, error))
goto out1;
retval = TRUE;
out1:
dbus_free (wdomain);
out0:
dbus_free (sid);
return retval;
#endif //DBUS_WINCE
}
dbus_bool_t
_dbus_win_sid_to_name_and_domain (dbus_uid_t uid,
wchar_t **wname,
wchar_t **wdomain,
DBusError *error)
{
#ifdef DBUS_WINCE
return TRUE;
//TODO
#else
PSID sid;
DWORD wname_length, wdomain_length;
SID_NAME_USE use;
if (!_dbus_uid_t_to_win_sid (uid, &sid))
{
_dbus_win_set_error_from_win_error (error, GetLastError ());
return FALSE;
}
wname_length = 0;
wdomain_length = 0;
if (!LookupAccountSidW (NULL, sid, NULL, &wname_length,
NULL, &wdomain_length, &use) &&
GetLastError () != ERROR_INSUFFICIENT_BUFFER)
{
_dbus_win_set_error_from_win_error (error, GetLastError ());
goto out0;
}
*wname = dbus_new (wchar_t, wname_length);
if (!*wname)
{
_DBUS_SET_OOM (error);
goto out0;
}
*wdomain = dbus_new (wchar_t, wdomain_length);
if (!*wdomain)
{
_DBUS_SET_OOM (error);
goto out1;
}
if (!LookupAccountSidW (NULL, sid, *wname, &wname_length,
*wdomain, &wdomain_length, &use))
{
_dbus_win_set_error_from_win_error (error, GetLastError ());
goto out2;
}
return TRUE;
out2:
dbus_free (*wdomain);
*wdomain = NULL;
out1:
dbus_free (*wname);
*wname = NULL;
out0:
LocalFree (sid);
return FALSE;
#endif //DBUS_WINCE
}
dbus_bool_t
fill_win_user_info_from_uid (dbus_uid_t uid,
DBusUserInfo *info,
DBusError *error)
{
#ifdef DBUS_WINCE
return TRUE;
//TODO
#else
PSID sid;
dbus_bool_t retval = FALSE;
wchar_t *wname, *wdomain;
info->uid = uid;
if (!_dbus_win_sid_to_name_and_domain (uid, &wname, &wdomain, error))
{
_dbus_verbose("%s after _dbus_win_sid_to_name_and_domain\n",__FUNCTION__);
return FALSE;
}
if (!fill_win_user_info_name_and_groups (wname, wdomain, info, error))
{
_dbus_verbose("%s after fill_win_user_info_name_and_groups\n",__FUNCTION__);
goto out0;
}
if (!fill_win_user_info_homedir (wname, wdomain, info, error))
{
_dbus_verbose("%s after fill_win_user_info_homedir\n",__FUNCTION__);
goto out0;
}
retval = TRUE;
out0:
dbus_free (wdomain);
dbus_free (wname);
return retval;
#endif //DBUS_WINCE
}
void
_dbus_win_startup_winsock (void)
{
/* Straight from MSDN, deuglified */
static dbus_bool_t beenhere = FALSE;
WORD wVersionRequested;
WSADATA wsaData;
int err;
if (beenhere)
return;
wVersionRequested = MAKEWORD (2, 0);
err = WSAStartup (wVersionRequested, &wsaData);
if (err != 0)
{
_dbus_assert_not_reached ("Could not initialize WinSock");
_dbus_abort ();
}
/* Confirm that the WinSock DLL supports 2.0. Note that if the DLL
* supports versions greater than 2.0 in addition to 2.0, it will
* still return 2.0 in wVersion since that is the version we
* requested.
*/
if (LOBYTE (wsaData.wVersion) != 2 ||
HIBYTE (wsaData.wVersion) != 0)
{
_dbus_assert_not_reached ("No usable WinSock found");
_dbus_abort ();
}
beenhere = TRUE;
}
/************************************************************************
UTF / string code
************************************************************************/
/**
* Measure the message length without terminating nul
*/
int _dbus_printf_string_upper_bound (const char *format,
va_list args)
{
/* MSVCRT's vsnprintf semantics are a bit different */
/* The C library source in the Platform SDK indicates that this
* would work, but alas, it doesn't. At least not on Windows
* 2000. Presumably those sources correspond to the C library on
* some newer or even future Windows version.
*
len = _vsnprintf (NULL, _DBUS_INT_MAX, format, args);
*/
char p[1024];
int len;
len = vsnprintf (p, sizeof(p)-1, format, args);
if (len == -1) // try again
{
char *p;
p = malloc (strlen(format)*3);
len = vsnprintf (p, sizeof(p)-1, format, args);
free(p);
}
return len;
}
/**
* Returns the UTF-16 form of a UTF-8 string. The result should be
* freed with dbus_free() when no longer needed.
*
* @param str the UTF-8 string
* @param error return location for error code
*/
wchar_t *
_dbus_win_utf8_to_utf16 (const char *str,
DBusError *error)
{
DBusString s;
int n;
wchar_t *retval;
_dbus_string_init_const (&s, str);
if (!_dbus_string_validate_utf8 (&s, 0, _dbus_string_get_length (&s)))
{
dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid UTF-8");
return NULL;
}
n = MultiByteToWideChar (CP_UTF8, 0, str, -1, NULL, 0);
if (n == 0)
{
_dbus_win_set_error_from_win_error (error, GetLastError ());
return NULL;
}
retval = dbus_new (wchar_t, n);
if (!retval)
{
_DBUS_SET_OOM (error);
return NULL;
}
if (MultiByteToWideChar (CP_UTF8, 0, str, -1, retval, n) != n)
{
dbus_free (retval);
dbus_set_error_const (error, DBUS_ERROR_FAILED, "MultiByteToWideChar inconsistency");
return NULL;
}
return retval;
}
/**
* Returns the UTF-8 form of a UTF-16 string. The result should be
* freed with dbus_free() when no longer needed.
*
* @param str the UTF-16 string
* @param error return location for error code
*/
char *
_dbus_win_utf16_to_utf8 (const wchar_t *str,
DBusError *error)
{
int n;
char *retval;
n = WideCharToMultiByte (CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL);
if (n == 0)
{
_dbus_win_set_error_from_win_error (error, GetLastError ());
return NULL;
}
retval = dbus_malloc (n);
if (!retval)
{
_DBUS_SET_OOM (error);
return NULL;
}
if (WideCharToMultiByte (CP_UTF8, 0, str, -1, retval, n, NULL, NULL) != n)
{
dbus_free (retval);
dbus_set_error_const (error, DBUS_ERROR_FAILED, "WideCharToMultiByte inconsistency");
return NULL;
}
return retval;
}
/************************************************************************
uid ... <-> win sid functions
************************************************************************/
dbus_bool_t
_dbus_win_account_to_sid (const wchar_t *waccount,
void **ppsid,
DBusError *error)
{
dbus_bool_t retval = FALSE;
DWORD sid_length, wdomain_length;
SID_NAME_USE use;
wchar_t *wdomain;
*ppsid = NULL;
sid_length = 0;
wdomain_length = 0;
if (!LookupAccountNameW (NULL, waccount, NULL, &sid_length,
NULL, &wdomain_length, &use) &&
GetLastError () != ERROR_INSUFFICIENT_BUFFER)
{
_dbus_win_set_error_from_win_error (error, GetLastError ());
return FALSE;
}
*ppsid = dbus_malloc (sid_length);
if (!*ppsid)
{
_DBUS_SET_OOM (error);
return FALSE;
}
wdomain = dbus_new (wchar_t, wdomain_length);
if (!wdomain)
{
_DBUS_SET_OOM (error);
goto out1;
}
if (!LookupAccountNameW (NULL, waccount, (PSID) *ppsid, &sid_length,
wdomain, &wdomain_length, &use))
{
_dbus_win_set_error_from_win_error (error, GetLastError ());
goto out2;
}
if (!IsValidSid ((PSID) *ppsid))
{
dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid SID");
goto out2;
}
retval = TRUE;
out2:
dbus_free (wdomain);
out1:
if (!retval)
{
dbus_free (*ppsid);
*ppsid = NULL;
}
return retval;
}
static void
_sid_atom_cache_shutdown (void *unused)
{
DBusHashIter iter;
_DBUS_LOCK (sid_atom_cache);
_dbus_hash_iter_init (sid_atom_cache, &iter);
while (_dbus_hash_iter_next (&iter))
{
ATOM atom;
atom = (ATOM) _dbus_hash_iter_get_value (&iter);
GlobalDeleteAtom(atom);
_dbus_hash_iter_remove_entry(&iter);
}
_DBUS_UNLOCK (sid_atom_cache);
_dbus_hash_table_unref (sid_atom_cache);
sid_atom_cache = NULL;
}
/**
* Returns the 2-way associated dbus_uid_t form a SID.
*
* @param psid pointer to the SID
*/
dbus_uid_t
_dbus_win_sid_to_uid_t (PSID psid)
{
dbus_uid_t uid;
dbus_uid_t olduid;
char *string;
ATOM atom;
if (!IsValidSid (psid))
{
_dbus_verbose("%s invalid sid\n",__FUNCTION__);
return DBUS_UID_UNSET;
}
if (!ConvertSidToStringSidA (psid, &string))
{
_dbus_verbose("%s invalid sid\n",__FUNCTION__);
return DBUS_UID_UNSET;
}
atom = GlobalAddAtom(string);
if (atom == 0)
{
_dbus_verbose("%s GlobalAddAtom failed\n",__FUNCTION__);
LocalFree (string);
return DBUS_UID_UNSET;
}
_DBUS_LOCK (sid_atom_cache);
if (sid_atom_cache == NULL)
{
sid_atom_cache = _dbus_hash_table_new (DBUS_HASH_ULONG, NULL, NULL);
_dbus_register_shutdown_func (_sid_atom_cache_shutdown, NULL);
}
uid = atom;
olduid = (dbus_uid_t) _dbus_hash_table_lookup_ulong (sid_atom_cache, uid);
if (olduid)
{
_dbus_verbose("%s sid with id %i found in cache\n",__FUNCTION__, olduid);
uid = olduid;
}
else
{
_dbus_hash_table_insert_ulong (sid_atom_cache, uid, (void*) uid);
_dbus_verbose("%s sid %s added with uid %i to cache\n",__FUNCTION__, string, uid);
}
_DBUS_UNLOCK (sid_atom_cache);
return uid;
}
dbus_bool_t _dbus_uid_t_to_win_sid (dbus_uid_t uid, PSID *ppsid)
{
void* atom;
char string[255];
atom = _dbus_hash_table_lookup_ulong (sid_atom_cache, uid);
if (atom == NULL)
{
_dbus_verbose("%s uid %i not found in cache\n",__FUNCTION__,uid);
return FALSE;
}
memset( string, '.', sizeof(string) );
if (!GlobalGetAtomNameA( (ATOM) atom, string, 255 ))
{
_dbus_verbose("%s uid %i not found in cache\n",__FUNCTION__, uid);
return FALSE;
}
if (!ConvertStringSidToSidA(string, ppsid))
{
_dbus_verbose("%s could not convert %s into sid \n",__FUNCTION__, string);
return FALSE;
}
_dbus_verbose("%s converted %s into sid \n",__FUNCTION__, string);
return TRUE;
}
/** @} end of sysdeps-win */
/** Gets our UID
* @returns process UID
*/
dbus_uid_t
_dbus_getuid(void)
{
dbus_uid_t retval = DBUS_UID_UNSET;
HANDLE process_token = NULL;
TOKEN_USER *token_user = NULL;
DWORD n;
if (!OpenProcessToken (GetCurrentProcess (), TOKEN_QUERY, &process_token))
_dbus_win_warn_win_error ("OpenProcessToken failed", GetLastError ());
else if ((!GetTokenInformation (process_token, TokenUser, NULL, 0, &n)
&& GetLastError () != ERROR_INSUFFICIENT_BUFFER)
|| (token_user = alloca (n)) == NULL
|| !GetTokenInformation (process_token, TokenUser, token_user, n, &n))
_dbus_win_warn_win_error ("GetTokenInformation failed", GetLastError ());
else
retval = _dbus_win_sid_to_uid_t (token_user->User.Sid);
if (process_token != NULL)
CloseHandle (process_token);
_dbus_verbose("_dbus_getuid() returns %d\n",retval);
return retval;
}
#ifdef DBUS_BUILD_TESTS
/** Gets our GID
* @returns process GID
*/
dbus_gid_t
_dbus_getgid (void)
{
dbus_gid_t retval = DBUS_GID_UNSET;
HANDLE process_token = NULL;
TOKEN_PRIMARY_GROUP *token_primary_group = NULL;
DWORD n;
if (!OpenProcessToken (GetCurrentProcess (), TOKEN_QUERY, &process_token))
_dbus_win_warn_win_error ("OpenProcessToken failed", GetLastError ());
else if ((!GetTokenInformation (process_token, TokenPrimaryGroup,
NULL, 0, &n) &&
GetLastError () != ERROR_INSUFFICIENT_BUFFER) ||
(token_primary_group = alloca (n)) == NULL ||
!GetTokenInformation (process_token, TokenPrimaryGroup,
token_primary_group, n, &n))
_dbus_win_warn_win_error ("GetTokenInformation failed", GetLastError ());
else
retval = _dbus_win_sid_to_uid_t (token_primary_group->PrimaryGroup);
if (process_token != NULL)
CloseHandle (process_token);
return retval;
}
#if 0
dbus_bool_t
_dbus_domain_test (const char *test_data_dir)
{
if (!_dbus_test_oom_handling ("spawn_nonexistent",
check_spawn_nonexistent,
NULL))
return FALSE;
}
#endif
#endif //DBUS_BUILD_TESTS
/************************************************************************
pipes
************************************************************************/
/**
* Creates a full-duplex pipe (as in socketpair()).
* Sets both ends of the pipe nonblocking.
*
* @todo libdbus only uses this for the debug-pipe server, so in
* principle it could be in dbus-sysdeps-util.c, except that
* dbus-sysdeps-util.c isn't in libdbus when tests are enabled and the
* debug-pipe server is used.
*
* @param fd1 return location for one end
* @param fd2 return location for the other end
* @param blocking #TRUE if pipe should be blocking
* @param error error return
* @returns #FALSE on failure (if error is set)
*/
dbus_bool_t
_dbus_full_duplex_pipe (int *fd1,
int *fd2,
dbus_bool_t blocking,
DBusError *error)
{
SOCKET temp, socket1 = -1, socket2 = -1;
struct sockaddr_in saddr;
int len;
u_long arg;
fd_set read_set, write_set;
struct timeval tv;
DBusSocket sock;
_dbus_win_startup_winsock ();
temp = socket (AF_INET, SOCK_STREAM, 0);
if (temp == INVALID_SOCKET)
{
DBUS_SOCKET_SET_ERRNO ();
goto out0;
}
arg = 1;
if (ioctlsocket (temp, FIONBIO, &arg) == SOCKET_ERROR)
{
DBUS_SOCKET_SET_ERRNO ();
goto out0;
}
_DBUS_ZERO (saddr);
saddr.sin_family = AF_INET;
saddr.sin_port = 0;
saddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
if (bind (temp, (struct sockaddr *)&saddr, sizeof (saddr)))
{
DBUS_SOCKET_SET_ERRNO ();
goto out0;
}
if (listen (temp, 1) == SOCKET_ERROR)
{
DBUS_SOCKET_SET_ERRNO ();
goto out0;
}
len = sizeof (saddr);
if (getsockname (temp, (struct sockaddr *)&saddr, &len))
{
DBUS_SOCKET_SET_ERRNO ();
goto out0;
}
socket1 = socket (AF_INET, SOCK_STREAM, 0);
if (socket1 == INVALID_SOCKET)
{
DBUS_SOCKET_SET_ERRNO ();
goto out0;
}
arg = 1;
if (ioctlsocket (socket1, FIONBIO, &arg) == SOCKET_ERROR)
{
DBUS_SOCKET_SET_ERRNO ();
goto out1;
}
if (connect (socket1, (struct sockaddr *)&saddr, len) != SOCKET_ERROR ||
WSAGetLastError () != WSAEWOULDBLOCK)
{
dbus_set_error_const (error, DBUS_ERROR_FAILED,
"_dbus_full_duplex_pipe socketpair() emulation failed");
goto out1;
}
FD_ZERO (&read_set);
FD_SET (temp, &read_set);
tv.tv_sec = 0;
tv.tv_usec = 0;
if (select (0, &read_set, NULL, NULL, NULL) == SOCKET_ERROR)
{
DBUS_SOCKET_SET_ERRNO ();
goto out1;
}
_dbus_assert (FD_ISSET (temp, &read_set));
socket2 = accept (temp, (struct sockaddr *) &saddr, &len);
if (socket2 == INVALID_SOCKET)
{
DBUS_SOCKET_SET_ERRNO ();
goto out1;
}
FD_ZERO (&write_set);
FD_SET (socket1, &write_set);
tv.tv_sec = 0;
tv.tv_usec = 0;
if (select (0, NULL, &write_set, NULL, NULL) == SOCKET_ERROR)
{
DBUS_SOCKET_SET_ERRNO ();
goto out2;
}
_dbus_assert (FD_ISSET (socket1, &write_set));
if (blocking)
{
arg = 0;
if (ioctlsocket (socket1, FIONBIO, &arg) == SOCKET_ERROR)
{
DBUS_SOCKET_SET_ERRNO ();
goto out2;
}
arg = 0;
if (ioctlsocket (socket2, FIONBIO, &arg) == SOCKET_ERROR)
{
DBUS_SOCKET_SET_ERRNO ();
goto out2;
}
}
else
{
arg = 1;
if (ioctlsocket (socket2, FIONBIO, &arg) == SOCKET_ERROR)
{
DBUS_SOCKET_SET_ERRNO ();
goto out2;
}
}
sock.fd = socket1;
*fd1 = _dbus_socket_to_handle (&sock);
sock.fd = socket2;
*fd2 = _dbus_socket_to_handle (&sock);
_dbus_verbose ("full-duplex pipe %d:%d <-> %d:%d\n",
*fd1, socket1, *fd2, socket2);
closesocket (temp);
return TRUE;
out2:
closesocket (socket2);
out1:
closesocket (socket1);
out0:
closesocket (temp);
dbus_set_error (error, _dbus_error_from_errno (errno),
"Could not setup socket pair: %s",
_dbus_strerror (errno));
return FALSE;
}
/**
* Wrapper for poll().
*
* @param fds the file descriptors to poll
* @param n_fds number of descriptors in the array
* @param timeout_milliseconds timeout or -1 for infinite
* @returns numbers of fds with revents, or <0 on error
*/
#define USE_CHRIS_IMPL 0
#if USE_CHRIS_IMPL
int
_dbus_poll (DBusPollFD *fds,
int n_fds,
int timeout_milliseconds)
{
#define DBUS_POLL_CHAR_BUFFER_SIZE 2000
char msg[DBUS_POLL_CHAR_BUFFER_SIZE];
char *msgp;
int ret = 0;
int i;
struct timeval tv;
int ready;
#define DBUS_STACK_WSAEVENTS 256
WSAEVENT eventsOnStack[DBUS_STACK_WSAEVENTS];
WSAEVENT *pEvents = NULL;
if (n_fds > DBUS_STACK_WSAEVENTS)
pEvents = calloc(sizeof(WSAEVENT), n_fds);
else
pEvents = eventsOnStack;
_dbus_lock_sockets();
#ifdef DBUS_ENABLE_VERBOSE_MODE
msgp = msg;
msgp += sprintf (msgp, "WSAEventSelect: to=%d\n\t", timeout_milliseconds);
for (i = 0; i < n_fds; i++)
{
static dbus_bool_t warned = FALSE;
DBusSocket *s;
DBusPollFD *fdp = &fds[i];
_dbus_handle_to_socket_unlocked(fdp->fd, &s);
if (s->is_used == 0)
{
_dbus_warn ("no valid socket");
warned = TRUE;
}
if (fdp->events & _DBUS_POLLIN)
msgp += sprintf (msgp, "R:%d ", s->fd);
if (fdp->events & _DBUS_POLLOUT)
msgp += sprintf (msgp, "W:%d ", s->fd);
msgp += sprintf (msgp, "E:%d\n\t", s->fd);
// FIXME: more robust code for long msg
// create on heap when msg[] becomes too small
if (msgp >= msg + DBUS_POLL_CHAR_BUFFER_SIZE)
{
_dbus_assert_not_reached ("buffer overflow in _dbus_poll");
}
}
msgp += sprintf (msgp, "\n");
_dbus_verbose ("%s",msg);
#endif
for (i = 0; i < n_fds; i++)
{
DBusSocket *s;
DBusPollFD *fdp = &fds[i];
WSAEVENT ev;
long lNetworkEvents = FD_OOB;
_dbus_handle_to_socket_unlocked(fdp->fd, &s);
if (s->is_used == 0)
continue;
ev = WSACreateEvent();
if (fdp->events & _DBUS_POLLIN)
lNetworkEvents |= FD_READ | FD_ACCEPT | FD_CLOSE;
if (fdp->events & _DBUS_POLLOUT)
lNetworkEvents |= FD_WRITE | FD_CONNECT;
WSAEventSelect(s->fd, ev, lNetworkEvents);
pEvents[i] = ev;
}
_dbus_unlock_sockets();
ready = WSAWaitForMultipleEvents (n_fds, pEvents, FALSE, timeout_milliseconds, FALSE);
if (DBUS_SOCKET_API_RETURNS_ERROR (ready))
{
DBUS_SOCKET_SET_ERRNO ();
if (errno != EWOULDBLOCK)
_dbus_verbose ("WSAWaitForMultipleEvents: failed: %s\n", _dbus_strerror (errno));
ret = -1;
}
else if (ready == WSA_WAIT_TIMEOUT)
{
_dbus_verbose ("WSAWaitForMultipleEvents: WSA_WAIT_TIMEOUT\n");
ret = 0;
}
else if (ready >= WSA_WAIT_EVENT_0 && ready < (int)(WSA_WAIT_EVENT_0 + n_fds))
{
msgp = msg;
msgp += sprintf (msgp, "WSAWaitForMultipleEvents: =%d\n\t", ready);
_dbus_lock_sockets();
for (i = 0; i < n_fds; i++)
{
DBusSocket *s;
DBusPollFD *fdp = &fds[i];
WSANETWORKEVENTS ne;
_dbus_handle_to_socket_unlocked(fdp->fd, &s);
fdp->revents = 0;
WSAEnumNetworkEvents(s->fd, pEvents[i], &ne);
if (ne.lNetworkEvents & (FD_READ | FD_ACCEPT | FD_CLOSE))
fdp->revents |= _DBUS_POLLIN;
if (ne.lNetworkEvents & (FD_WRITE | FD_CONNECT))
fdp->revents |= _DBUS_POLLOUT;
if (ne.lNetworkEvents & (FD_OOB))
fdp->revents |= _DBUS_POLLERR;
if (ne.lNetworkEvents & (FD_READ | FD_ACCEPT | FD_CLOSE))
msgp += sprintf (msgp, "R:%d ", s->fd);
if (ne.lNetworkEvents & (FD_WRITE | FD_CONNECT))
msgp += sprintf (msgp, "W:%d ", s->fd);
if (ne.lNetworkEvents & (FD_OOB))
msgp += sprintf (msgp, "E:%d ", s->fd);
msgp += sprintf (msgp, "lNetworkEvents:%d ", ne.lNetworkEvents);
if(ne.lNetworkEvents)
ret++;
WSAEventSelect(s->fd, pEvents[i], 0);
}
_dbus_unlock_sockets();
msgp += sprintf (msgp, "\n");
_dbus_verbose ("%s",msg);
}
else
{
_dbus_verbose ("WSAWaitForMultipleEvents: failed for unknown reason!");
ret = -1;
}
for(i = 0; i < n_fds; i++)
{
WSACloseEvent(pEvents[i]);
}
if (n_fds > DBUS_STACK_WSAEVENTS)
free(pEvents);
return ret;
}
#else // USE_CHRIS_IMPL
int
_dbus_poll (DBusPollFD *fds,
int n_fds,
int timeout_milliseconds)
{
#define DBUS_POLL_CHAR_BUFFER_SIZE 2000
char msg[DBUS_POLL_CHAR_BUFFER_SIZE];
char *msgp;
fd_set read_set, write_set, err_set;
int max_fd = 0;
int i;
struct timeval tv;
int ready;
FD_ZERO (&read_set);
FD_ZERO (&write_set);
FD_ZERO (&err_set);
_dbus_lock_sockets();
#ifdef DBUS_ENABLE_VERBOSE_MODE
msgp = msg;
msgp += sprintf (msgp, "select: to=%d\n\t", timeout_milliseconds);
for (i = 0; i < n_fds; i++)
{
static dbus_bool_t warned = FALSE;
DBusSocket *s;
DBusPollFD *fdp = &fds[i];
_dbus_handle_to_socket_unlocked(fdp->fd, &s);
if (s->is_used == 0)
{
_dbus_warn ("no valid socket");
warned = TRUE;
}
if (fdp->events & _DBUS_POLLIN)
msgp += sprintf (msgp, "R:%d ", s->fd);
if (fdp->events & _DBUS_POLLOUT)
msgp += sprintf (msgp, "W:%d ", s->fd);
msgp += sprintf (msgp, "E:%d\n\t", s->fd);
// FIXME: more robust code for long msg
// create on heap when msg[] becomes too small
if (msgp >= msg + DBUS_POLL_CHAR_BUFFER_SIZE)
{
_dbus_assert_not_reached ("buffer overflow in _dbus_poll");
}
}
msgp += sprintf (msgp, "\n");
_dbus_verbose ("%s",msg);
#endif
for (i = 0; i < n_fds; i++)
{
DBusSocket *s;
DBusPollFD *fdp = &fds[i];
_dbus_handle_to_socket_unlocked(fdp->fd, &s);
if (s->is_used != 1)
continue;
if (fdp->events & _DBUS_POLLIN)
FD_SET (s->fd, &read_set);
if (fdp->events & _DBUS_POLLOUT)
FD_SET (s->fd, &write_set);
FD_SET (s->fd, &err_set);
max_fd = MAX (max_fd, s->fd);
}
_dbus_unlock_sockets();
tv.tv_sec = timeout_milliseconds / 1000;
tv.tv_usec = (timeout_milliseconds % 1000) * 1000;
ready = select (max_fd + 1, &read_set, &write_set, &err_set,
timeout_milliseconds < 0 ? NULL : &tv);
if (DBUS_SOCKET_API_RETURNS_ERROR (ready))
{
DBUS_SOCKET_SET_ERRNO ();
if (errno != EWOULDBLOCK)
_dbus_verbose ("select: failed: %s\n", _dbus_strerror (errno));
}
else if (ready == 0)
_dbus_verbose ("select: = 0\n");
else
if (ready > 0)
{
#ifdef DBUS_ENABLE_VERBOSE_MODE
msgp = msg;
msgp += sprintf (msgp, "select: = %d:\n\t", ready);
_dbus_lock_sockets();
for (i = 0; i < n_fds; i++)
{
DBusSocket *s;
DBusPollFD *fdp = &fds[i];
_dbus_handle_to_socket_unlocked(fdp->fd, &s);
if (FD_ISSET (s->fd, &read_set))
msgp += sprintf (msgp, "R:%d ", s->fd);
if (FD_ISSET (s->fd, &write_set))
msgp += sprintf (msgp, "W:%d ", s->fd);
if (FD_ISSET (s->fd, &err_set))
msgp += sprintf (msgp, "E:%d\n\t", s->fd);
}
msgp += sprintf (msgp, "\n");
_dbus_verbose ("%s",msg);
#endif
for (i = 0; i < n_fds; i++)
{
DBusSocket *s;
DBusPollFD *fdp = &fds[i];
_dbus_handle_to_socket_unlocked(fdp->fd, &s);
fdp->revents = 0;
if (FD_ISSET (s->fd, &read_set))
fdp->revents |= _DBUS_POLLIN;
if (FD_ISSET (s->fd, &write_set))
fdp->revents |= _DBUS_POLLOUT;
if (FD_ISSET (s->fd, &err_set))
fdp->revents |= _DBUS_POLLERR;
}
_dbus_unlock_sockets();
}
return ready;
}
#endif // USE_CHRIS_IMPL
/************************************************************************
error handling
************************************************************************/
/**
* Assigns an error name and message corresponding to a Win32 error
* code to a DBusError. Does nothing if error is #NULL.
*
* @param error the error.
* @param code the Win32 error code
*/
void
_dbus_win_set_error_from_win_error (DBusError *error,
int code)
{
char *msg;
/* As we want the English message, use the A API */
FormatMessageA (FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_IGNORE_INSERTS |
FORMAT_MESSAGE_FROM_SYSTEM,
NULL, code, MAKELANGID (LANG_ENGLISH, SUBLANG_ENGLISH_US),
(LPTSTR) &msg, 0, NULL);
if (msg)
{
char *msg_copy;
msg_copy = dbus_malloc (strlen (msg));
strcpy (msg_copy, msg);
LocalFree (msg);
dbus_set_error (error, "Win32 error", "%s", msg_copy);
}
else
dbus_set_error_const (error, "Win32 error", "Unknown error code or FormatMessage failed");
}
void
_dbus_win_warn_win_error (const char *message,
int code)
{
DBusError error;
dbus_error_init (&error);
_dbus_win_set_error_from_win_error (&error, code);
_dbus_warn ("%s: %s\n", message, error.message);
dbus_error_free (&error);
}
/**
* A wrapper around strerror() because some platforms
* may be lame and not have strerror().
*
* @param error_number errno.
* @returns error description.
*/
const char*
_dbus_strerror (int error_number)
{
#ifdef DBUS_WINCE
// TODO
return "unknown";
#else
const char *msg;
switch (error_number)
{
case WSAEINTR:
return "Interrupted function call";
case WSAEACCES:
return "Permission denied";
case WSAEFAULT:
return "Bad address";
case WSAEINVAL:
return "Invalid argument";
case WSAEMFILE:
return "Too many open files";
case WSAEWOULDBLOCK:
return "Resource temporarily unavailable";
case WSAEINPROGRESS:
return "Operation now in progress";
case WSAEALREADY:
return "Operation already in progress";
case WSAENOTSOCK:
return "Socket operation on nonsocket";
case WSAEDESTADDRREQ:
return "Destination address required";
case WSAEMSGSIZE:
return "Message too long";
case WSAEPROTOTYPE:
return "Protocol wrong type for socket";
case WSAENOPROTOOPT:
return "Bad protocol option";
case WSAEPROTONOSUPPORT:
return "Protocol not supported";
case WSAESOCKTNOSUPPORT:
return "Socket type not supported";
case WSAEOPNOTSUPP:
return "Operation not supported";
case WSAEPFNOSUPPORT:
return "Protocol family not supported";
case WSAEAFNOSUPPORT:
return "Address family not supported by protocol family";
case WSAEADDRINUSE:
return "Address already in use";
case WSAEADDRNOTAVAIL:
return "Cannot assign requested address";
case WSAENETDOWN:
return "Network is down";
case WSAENETUNREACH:
return "Network is unreachable";
case WSAENETRESET:
return "Network dropped connection on reset";
case WSAECONNABORTED:
return "Software caused connection abort";
case WSAECONNRESET:
return "Connection reset by peer";
case WSAENOBUFS:
return "No buffer space available";
case WSAEISCONN:
return "Socket is already connected";
case WSAENOTCONN:
return "Socket is not connected";
case WSAESHUTDOWN:
return "Cannot send after socket shutdown";
case WSAETIMEDOUT:
return "Connection timed out";
case WSAECONNREFUSED:
return "Connection refused";
case WSAEHOSTDOWN:
return "Host is down";
case WSAEHOSTUNREACH:
return "No route to host";
case WSAEPROCLIM:
return "Too many processes";
case WSAEDISCON:
return "Graceful shutdown in progress";
case WSATYPE_NOT_FOUND:
return "Class type not found";
case WSAHOST_NOT_FOUND:
return "Host not found";
case WSATRY_AGAIN:
return "Nonauthoritative host not found";
case WSANO_RECOVERY:
return "This is a nonrecoverable error";
case WSANO_DATA:
return "Valid name, no data record of requested type";
case WSA_INVALID_HANDLE:
return "Specified event object handle is invalid";
case WSA_INVALID_PARAMETER:
return "One or more parameters are invalid";
case WSA_IO_INCOMPLETE:
return "Overlapped I/O event object not in signaled state";
case WSA_IO_PENDING:
return "Overlapped operations will complete later";
case WSA_NOT_ENOUGH_MEMORY:
return "Insufficient memory available";
case WSA_OPERATION_ABORTED:
return "Overlapped operation aborted";
#ifdef WSAINVALIDPROCTABLE
case WSAINVALIDPROCTABLE:
return "Invalid procedure table from service provider";
#endif
#ifdef WSAINVALIDPROVIDER
case WSAINVALIDPROVIDER:
return "Invalid service provider version number";
#endif
#ifdef WSAPROVIDERFAILEDINIT
case WSAPROVIDERFAILEDINIT:
return "Unable to initialize a service provider";
#endif
case WSASYSCALLFAILURE:
return "System call failure";
}
msg = strerror (error_number);
if (msg == NULL)
msg = "unknown";
return msg;
#endif //DBUS_WINCE
}
/* lan manager error codes */
const char*
_dbus_lm_strerror(int error_number)
{
#ifdef DBUS_WINCE
// TODO
return "unknown";
#else
const char *msg;
switch (error_number)
{
case NERR_NetNotStarted:
return "The workstation driver is not installed.";
case NERR_UnknownServer:
return "The server could not be located.";
case NERR_ShareMem:
return "An internal error occurred. The network cannot access a shared memory segment.";
case NERR_NoNetworkResource:
return "A network resource shortage occurred.";
case NERR_RemoteOnly:
return "This operation is not supported on workstations.";
case NERR_DevNotRedirected:
return "The device is not connected.";
case NERR_ServerNotStarted:
return "The Server service is not started.";
case NERR_ItemNotFound:
return "The queue is empty.";
case NERR_UnknownDevDir:
return "The device or directory does not exist.";
case NERR_RedirectedPath:
return "The operation is invalid on a redirected resource.";
case NERR_DuplicateShare:
return "The name has already been shared.";
case NERR_NoRoom:
return "The server is currently out of the requested resource.";
case NERR_TooManyItems:
return "Requested addition of items exceeds the maximum allowed.";
case NERR_InvalidMaxUsers:
return "The Peer service supports only two simultaneous users.";
case NERR_BufTooSmall:
return "The API return buffer is too small.";
case NERR_RemoteErr:
return "A remote API error occurred.";
case NERR_LanmanIniError:
return "An error occurred when opening or reading the configuration file.";
case NERR_NetworkError:
return "A general network error occurred.";
case NERR_WkstaInconsistentState:
return "The Workstation service is in an inconsistent state. Restart the computer before restarting the Workstation service.";
case NERR_WkstaNotStarted:
return "The Workstation service has not been started.";
case NERR_BrowserNotStarted:
return "The requested information is not available.";
case NERR_InternalError:
return "An internal error occurred.";
case NERR_BadTransactConfig:
return "The server is not configured for transactions.";
case NERR_InvalidAPI:
return "The requested API is not supported on the remote server.";
case NERR_BadEventName:
return "The event name is invalid.";
case NERR_DupNameReboot:
return "The computer name already exists on the network. Change it and restart the computer.";
case NERR_CfgCompNotFound:
return "The specified component could not be found in the configuration information.";
case NERR_CfgParamNotFound:
return "The specified parameter could not be found in the configuration information.";
case NERR_LineTooLong:
return "A line in the configuration file is too long.";
case NERR_QNotFound:
return "The printer does not exist.";
case NERR_JobNotFound:
return "The print job does not exist.";
case NERR_DestNotFound:
return "The printer destination cannot be found.";
case NERR_DestExists:
return "The printer destination already exists.";
case NERR_QExists:
return "The printer queue already exists.";
case NERR_QNoRoom:
return "No more printers can be added.";
case NERR_JobNoRoom:
return "No more print jobs can be added.";
case NERR_DestNoRoom:
return "No more printer destinations can be added.";
case NERR_DestIdle:
return "This printer destination is idle and cannot accept control operations.";
case NERR_DestInvalidOp:
return "This printer destination request contains an invalid control function.";
case NERR_ProcNoRespond:
return "The print processor is not responding.";
case NERR_SpoolerNotLoaded:
return "The spooler is not running.";
case NERR_DestInvalidState:
return "This operation cannot be performed on the print destination in its current state.";
case NERR_QInvalidState:
return "This operation cannot be performed on the printer queue in its current state.";
case NERR_JobInvalidState:
return "This operation cannot be performed on the print job in its current state.";
case NERR_SpoolNoMemory:
return "A spooler memory allocation failure occurred.";
case NERR_DriverNotFound:
return "The device driver does not exist.";
case NERR_DataTypeInvalid:
return "The data type is not supported by the print processor.";
case NERR_ProcNotFound:
return "The print processor is not installed.";
case NERR_ServiceTableLocked:
return "The service database is locked.";
case NERR_ServiceTableFull:
return "The service table is full.";
case NERR_ServiceInstalled:
return "The requested service has already been started.";
case NERR_ServiceEntryLocked:
return "The service does not respond to control actions.";
case NERR_ServiceNotInstalled:
return "The service has not been started.";
case NERR_BadServiceName:
return "The service name is invalid.";
case NERR_ServiceCtlTimeout:
return "The service is not responding to the control function.";
case NERR_ServiceCtlBusy:
return "The service control is busy.";
case NERR_BadServiceProgName:
return "The configuration file contains an invalid service program name.";
case NERR_ServiceNotCtrl:
return "The service could not be controlled in its present state.";
case NERR_ServiceKillProc:
return "The service ended abnormally.";
case NERR_ServiceCtlNotValid:
return "The requested pause or stop is not valid for this service.";
case NERR_NotInDispatchTbl:
return "The service control dispatcher could not find the service name in the dispatch table.";
case NERR_BadControlRecv:
return "The service control dispatcher pipe read failed.";
case NERR_ServiceNotStarting:
return "A thread for the new service could not be created.";
case NERR_AlreadyLoggedOn:
return "This workstation is already logged on to the local-area network.";
case NERR_NotLoggedOn:
return "The workstation is not logged on to the local-area network.";
case NERR_BadUsername:
return "The user name or group name parameter is invalid.";
case NERR_BadPassword:
return "The password parameter is invalid.";
case NERR_UnableToAddName_W:
return "@W The logon processor did not add the message alias.";
case NERR_UnableToAddName_F:
return "The logon processor did not add the message alias.";
case NERR_UnableToDelName_W:
return "@W The logoff processor did not delete the message alias.";
case NERR_UnableToDelName_F:
return "The logoff processor did not delete the message alias.";
case NERR_LogonsPaused:
return "Network logons are paused.";
case NERR_LogonServerConflict:
return "A centralized logon-server conflict occurred.";
case NERR_LogonNoUserPath:
return "The server is configured without a valid user path.";
case NERR_LogonScriptError:
return "An error occurred while loading or running the logon script.";
case NERR_StandaloneLogon:
return "The logon server was not specified. Your computer will be logged on as STANDALONE.";
case NERR_LogonServerNotFound:
return "The logon server could not be found.";
case NERR_LogonDomainExists:
return "There is already a logon domain for this computer.";
case NERR_NonValidatedLogon:
return "The logon server could not validate the logon.";
case NERR_ACFNotFound:
return "The security database could not be found.";
case NERR_GroupNotFound:
return "The group name could not be found.";
case NERR_UserNotFound:
return "The user name could not be found.";
case NERR_ResourceNotFound:
return "The resource name could not be found.";
case NERR_GroupExists:
return "The group already exists.";
case NERR_UserExists:
return "The user account already exists.";
case NERR_ResourceExists:
return "The resource permission list already exists.";
case NERR_NotPrimary:
return "This operation is only allowed on the primary domain controller of the domain.";
case NERR_ACFNotLoaded:
return "The security database has not been started.";
case NERR_ACFNoRoom:
return "There are too many names in the user accounts database.";
case NERR_ACFFileIOFail:
return "A disk I/O failure occurred.";
case NERR_ACFTooManyLists:
return "The limit of 64 entries per resource was exceeded.";
case NERR_UserLogon:
return "Deleting a user with a session is not allowed.";
case NERR_ACFNoParent:
return "The parent directory could not be located.";
case NERR_CanNotGrowSegment:
return "Unable to add to the security database session cache segment.";
case NERR_SpeGroupOp:
return "This operation is not allowed on this special group.";
case NERR_NotInCache:
return "This user is not cached in user accounts database session cache.";
case NERR_UserInGroup:
return "The user already belongs to this group.";
case NERR_UserNotInGroup:
return "The user does not belong to this group.";
case NERR_AccountUndefined:
return "This user account is undefined.";
case NERR_AccountExpired:
return "This user account has expired.";
case NERR_InvalidWorkstation:
return "The user is not allowed to log on from this workstation.";
case NERR_InvalidLogonHours:
return "The user is not allowed to log on at this time.";
case NERR_PasswordExpired:
return "The password of this user has expired.";
case NERR_PasswordCantChange:
return "The password of this user cannot change.";
case NERR_PasswordHistConflict:
return "This password cannot be used now.";
case NERR_PasswordTooShort:
return "The password does not meet the password policy requirements. Check the minimum password length, password complexity and password history requirements.";
case NERR_PasswordTooRecent:
return "The password of this user is too recent to change.";
case NERR_InvalidDatabase:
return "The security database is corrupted.";
case NERR_DatabaseUpToDate:
return "No updates are necessary to this replicant network/local security database.";
case NERR_SyncRequired:
return "This replicant database is outdated; synchronization is required.";
case NERR_UseNotFound:
return "The network connection could not be found.";
case NERR_BadAsgType:
return "This asg_type is invalid.";
case NERR_DeviceIsShared:
return "This device is currently being shared.";
case NERR_NoComputerName:
return "The computer name could not be added as a message alias. The name may already exist on the network.";
case NERR_MsgAlreadyStarted:
return "The Messenger service is already started.";
case NERR_MsgInitFailed:
return "The Messenger service failed to start.";
case NERR_NameNotFound:
return "The message alias could not be found on the network.";
case NERR_AlreadyForwarded:
return "This message alias has already been forwarded.";
case NERR_AddForwarded:
return "This message alias has been added but is still forwarded.";
case NERR_AlreadyExists:
return "This message alias already exists locally.";
case NERR_TooManyNames:
return "The maximum number of added message aliases has been exceeded.";
case NERR_DelComputerName:
return "The computer name could not be deleted.";
case NERR_LocalForward:
return "Messages cannot be forwarded back to the same workstation.";
case NERR_GrpMsgProcessor:
return "An error occurred in the domain message processor.";
case NERR_PausedRemote:
return "The message was sent, but the recipient has paused the Messenger service.";
case NERR_BadReceive:
return "The message was sent but not received.";
case NERR_NameInUse:
return "The message alias is currently in use. Try again later.";
case NERR_MsgNotStarted:
return "The Messenger service has not been started.";
case NERR_NotLocalName:
return "The name is not on the local computer.";
case NERR_NoForwardName:
return "The forwarded message alias could not be found on the network.";
case NERR_RemoteFull:
return "The message alias table on the remote station is full.";
case NERR_NameNotForwarded:
return "Messages for this alias are not currently being forwarded.";
case NERR_TruncatedBroadcast:
return "The broadcast message was truncated.";
case NERR_InvalidDevice:
return "This is an invalid device name.";
case NERR_WriteFault:
return "A write fault occurred.";
case NERR_DuplicateName:
return "A duplicate message alias exists on the network.";
case NERR_DeleteLater:
return "@W This message alias will be deleted later.";
case NERR_IncompleteDel:
return "The message alias was not successfully deleted from all networks.";
case NERR_MultipleNets:
return "This operation is not supported on computers with multiple networks.";
case NERR_NetNameNotFound:
return "This shared resource does not exist.";
case NERR_DeviceNotShared:
return "This device is not shared.";
case NERR_ClientNameNotFound:
return "A session does not exist with that computer name.";
case NERR_FileIdNotFound:
return "There is not an open file with that identification number.";
case NERR_ExecFailure:
return "A failure occurred when executing a remote administration command.";
case NERR_TmpFile:
return "A failure occurred when opening a remote temporary file.";
case NERR_TooMuchData:
return "The data returned from a remote administration command has been truncated to 64K.";
case NERR_DeviceShareConflict:
return "This device cannot be shared as both a spooled and a non-spooled resource.";
case NERR_BrowserTableIncomplete:
return "The information in the list of servers may be incorrect.";
case NERR_NotLocalDomain:
return "The computer is not active in this domain.";
#ifdef NERR_IsDfsShare
case NERR_IsDfsShare:
return "The share must be removed from the Distributed File System before it can be deleted.";
#endif
case NERR_DevInvalidOpCode:
return "The operation is invalid for this device.";
case NERR_DevNotFound:
return "This device cannot be shared.";
case NERR_DevNotOpen:
return "This device was not open.";
case NERR_BadQueueDevString:
return "This device name list is invalid.";
case NERR_BadQueuePriority:
return "The queue priority is invalid.";
case NERR_NoCommDevs:
return "There are no shared communication devices.";
case NERR_QueueNotFound:
return "The queue you specified does not exist.";
case NERR_BadDevString:
return "This list of devices is invalid.";
case NERR_BadDev:
return "The requested device is invalid.";
case NERR_InUseBySpooler:
return "This device is already in use by the spooler.";
case NERR_CommDevInUse:
return "This device is already in use as a communication device.";
case NERR_InvalidComputer:
return "This computer name is invalid.";
case NERR_MaxLenExceeded:
return "The string and prefix specified are too long.";
case NERR_BadComponent:
return "This path component is invalid.";
case NERR_CantType:
return "Could not determine the type of input.";
case NERR_TooManyEntries:
return "The buffer for types is not big enough.";
case NERR_ProfileFileTooBig:
return "Profile files cannot exceed 64K.";
case NERR_ProfileOffset:
return "The start offset is out of range.";
case NERR_ProfileCleanup:
return "The system cannot delete current connections to network resources.";
case NERR_ProfileUnknownCmd:
return "The system was unable to parse the command line in this file.";
case NERR_ProfileLoadErr:
return "An error occurred while loading the profile file.";
case NERR_ProfileSaveErr:
return "@W Errors occurred while saving the profile file. The profile was partially saved.";
case NERR_LogOverflow:
return "Log file %1 is full.";
case NERR_LogFileChanged:
return "This log file has changed between reads.";
case NERR_LogFileCorrupt:
return "Log file %1 is corrupt.";
case NERR_SourceIsDir:
return "The source path cannot be a directory.";
case NERR_BadSource:
return "The source path is illegal.";
case NERR_BadDest:
return "The destination path is illegal.";
case NERR_DifferentServers:
return "The source and destination paths are on different servers.";
case NERR_RunSrvPaused:
return "The Run server you requested is paused.";
case NERR_ErrCommRunSrv:
return "An error occurred when communicating with a Run server.";
case NERR_ErrorExecingGhost:
return "An error occurred when starting a background process.";
case NERR_ShareNotFound:
return "The shared resource you are connected to could not be found.";
case NERR_InvalidLana:
return "The LAN adapter number is invalid.";
case NERR_OpenFiles:
return "There are open files on the connection.";
case NERR_ActiveConns:
return "Active connections still exist.";
case NERR_BadPasswordCore:
return "This share name or password is invalid.";
case NERR_DevInUse:
return "The device is being accessed by an active process.";
case NERR_LocalDrive:
return "The drive letter is in use locally.";
case NERR_AlertExists:
return "The specified client is already registered for the specified event.";
case NERR_TooManyAlerts:
return "The alert table is full.";
case NERR_NoSuchAlert:
return "An invalid or nonexistent alert name was raised.";
case NERR_BadRecipient:
return "The alert recipient is invalid.";
case NERR_AcctLimitExceeded:
return "A user's session with this server has been deleted.";
case NERR_InvalidLogSeek:
return "The log file does not contain the requested record number.";
case NERR_BadUasConfig:
return "The user accounts database is not configured correctly.";
case NERR_InvalidUASOp:
return "This operation is not permitted when the Netlogon service is running.";
case NERR_LastAdmin:
return "This operation is not allowed on the last administrative account.";
case NERR_DCNotFound:
return "Could not find domain controller for this domain.";
case NERR_LogonTrackingError:
return "Could not set logon information for this user.";
case NERR_NetlogonNotStarted:
return "The Netlogon service has not been started.";
case NERR_CanNotGrowUASFile:
return "Unable to add to the user accounts database.";
case NERR_TimeDiffAtDC:
return "This server's clock is not synchronized with the primary domain controller's clock.";
case NERR_PasswordMismatch:
return "A password mismatch has been detected.";
case NERR_NoSuchServer:
return "The server identification does not specify a valid server.";
case NERR_NoSuchSession:
return "The session identification does not specify a valid session.";
case NERR_NoSuchConnection:
return "The connection identification does not specify a valid connection.";
case NERR_TooManyServers:
return "There is no space for another entry in the table of available servers.";
case NERR_TooManySessions:
return "The server has reached the maximum number of sessions it supports.";
case NERR_TooManyConnections:
return "The server has reached the maximum number of connections it supports.";
case NERR_TooManyFiles:
return "The server cannot open more files because it has reached its maximum number.";
case NERR_NoAlternateServers:
return "There are no alternate servers registered on this server.";
case NERR_TryDownLevel:
return "Try down-level (remote admin protocol) version of API instead.";
case NERR_UPSDriverNotStarted:
return "The UPS driver could not be accessed by the UPS service.";
case NERR_UPSInvalidConfig:
return "The UPS service is not configured correctly.";
case NERR_UPSInvalidCommPort:
return "The UPS service could not access the specified Comm Port.";
case NERR_UPSSignalAsserted:
return "The UPS indicated a line fail or low battery situation. Service not started.";
case NERR_UPSShutdownFailed:
return "The UPS service failed to perform a system shut down.";
case NERR_BadDosRetCode:
return "The program below returned an MS-DOS error code:";
case NERR_ProgNeedsExtraMem:
return "The program below needs more memory:";
case NERR_BadDosFunction:
return "The program below called an unsupported MS-DOS function:";
case NERR_RemoteBootFailed:
return "The workstation failed to boot.";
case NERR_BadFileCheckSum:
return "The file below is corrupt.";
case NERR_NoRplBootSystem:
return "No loader is specified in the boot-block definition file.";
case NERR_RplLoadrNetBiosErr:
return "NetBIOS returned an error: The NCB and SMB are dumped above.";
case NERR_RplLoadrDiskErr:
return "A disk I/O error occurred.";
case NERR_ImageParamErr:
return "Image parameter substitution failed.";
case NERR_TooManyImageParams:
return "Too many image parameters cross disk sector boundaries.";
case NERR_NonDosFloppyUsed:
return "The image was not generated from an MS-DOS diskette formatted with /S.";
case NERR_RplBootRestart:
return "Remote boot will be restarted later.";
case NERR_RplSrvrCallFailed:
return "The call to the Remoteboot server failed.";
case NERR_CantConnectRplSrvr:
return "Cannot connect to the Remoteboot server.";
case NERR_CantOpenImageFile:
return "Cannot open image file on the Remoteboot server.";
case NERR_CallingRplSrvr:
return "Connecting to the Remoteboot server...";
case NERR_StartingRplBoot:
return "Connecting to the Remoteboot server...";
case NERR_RplBootServiceTerm:
return "Remote boot service was stopped; check the error log for the cause of the problem.";
case NERR_RplBootStartFailed:
return "Remote boot startup failed; check the error log for the cause of the problem.";
case NERR_RPL_CONNECTED:
return "A second connection to a Remoteboot resource is not allowed.";
case NERR_BrowserConfiguredToNotRun:
return "The browser service was configured with MaintainServerList=No.";
case NERR_RplNoAdaptersStarted:
return "Service failed to start since none of the network adapters started with this service.";
case NERR_RplBadRegistry:
return "Service failed to start due to bad startup information in the registry.";
case NERR_RplBadDatabase:
return "Service failed to start because its database is absent or corrupt.";
case NERR_RplRplfilesShare:
return "Service failed to start because RPLFILES share is absent.";
case NERR_RplNotRplServer:
return "Service failed to start because RPLUSER group is absent.";
case NERR_RplCannotEnum:
return "Cannot enumerate service records.";
case NERR_RplWkstaInfoCorrupted:
return "Workstation record information has been corrupted.";
case NERR_RplWkstaNotFound:
return "Workstation record was not found.";
case NERR_RplWkstaNameUnavailable:
return "Workstation name is in use by some other workstation.";
case NERR_RplProfileInfoCorrupted:
return "Profile record information has been corrupted.";
case NERR_RplProfileNotFound:
return "Profile record was not found.";
case NERR_RplProfileNameUnavailable:
return "Profile name is in use by some other profile.";
case NERR_RplProfileNotEmpty:
return "There are workstations using this profile.";
case NERR_RplConfigInfoCorrupted:
return "Configuration record information has been corrupted.";
case NERR_RplConfigNotFound:
return "Configuration record was not found.";
case NERR_RplAdapterInfoCorrupted:
return "Adapter ID record information has been corrupted.";
case NERR_RplInternal:
return "An internal service error has occurred.";
case NERR_RplVendorInfoCorrupted:
return "Vendor ID record information has been corrupted.";
case NERR_RplBootInfoCorrupted:
return "Boot block record information has been corrupted.";
case NERR_RplWkstaNeedsUserAcct:
return "The user account for this workstation record is missing.";
case NERR_RplNeedsRPLUSERAcct:
return "The RPLUSER local group could not be found.";
case NERR_RplBootNotFound:
return "Boot block record was not found.";
case NERR_RplIncompatibleProfile:
return "Chosen profile is incompatible with this workstation.";
case NERR_RplAdapterNameUnavailable:
return "Chosen network adapter ID is in use by some other workstation.";
case NERR_RplConfigNotEmpty:
return "There are profiles using this configuration.";
case NERR_RplBootInUse:
return "There are workstations, profiles, or configurations using this boot block.";
case NERR_RplBackupDatabase:
return "Service failed to backup Remoteboot database.";
case NERR_RplAdapterNotFound:
return "Adapter record was not found.";
case NERR_RplVendorNotFound:
return "Vendor record was not found.";
case NERR_RplVendorNameUnavailable:
return "Vendor name is in use by some other vendor record.";
case NERR_RplBootNameUnavailable:
return "(boot name, vendor ID) is in use by some other boot block record.";
case NERR_RplConfigNameUnavailable:
return "Configuration name is in use by some other configuration.";
case NERR_DfsInternalCorruption:
return "The internal database maintained by the Dfs service is corrupt.";
case NERR_DfsVolumeDataCorrupt:
return "One of the records in the internal Dfs database is corrupt.";
case NERR_DfsNoSuchVolume:
return "There is no DFS name whose entry path matches the input Entry Path.";
case NERR_DfsVolumeAlreadyExists:
return "A root or link with the given name already exists.";
case NERR_DfsAlreadyShared:
return "The server share specified is already shared in the Dfs.";
case NERR_DfsNoSuchShare:
return "The indicated server share does not support the indicated DFS namespace.";
case NERR_DfsNotALeafVolume:
return "The operation is not valid on this portion of the namespace.";
case NERR_DfsLeafVolume:
return "The operation is not valid on this portion of the namespace.";
case NERR_DfsVolumeHasMultipleServers:
return "The operation is ambiguous because the link has multiple servers.";
case NERR_DfsCantCreateJunctionPoint:
return "Unable to create a link.";
case NERR_DfsServerNotDfsAware:
return "The server is not Dfs Aware.";
case NERR_DfsBadRenamePath:
return "The specified rename target path is invalid.";
case NERR_DfsVolumeIsOffline:
return "The specified DFS link is offline.";
case NERR_DfsNoSuchServer:
return "The specified server is not a server for this link.";
case NERR_DfsCyclicalName:
return "A cycle in the Dfs name was detected.";
case NERR_DfsNotSupportedInServerDfs:
return "The operation is not supported on a server-based Dfs.";
case NERR_DfsDuplicateService:
return "This link is already supported by the specified server-share.";
case NERR_DfsCantRemoveLastServerShare:
return "Can't remove the last server-share supporting this root or link.";
case NERR_DfsVolumeIsInterDfs:
return "The operation is not supported for an Inter-DFS link.";
case NERR_DfsInconsistent:
return "The internal state of the Dfs Service has become inconsistent.";
case NERR_DfsServerUpgraded:
return "The Dfs Service has been installed on the specified server.";
case NERR_DfsDataIsIdentical:
return "The Dfs data being reconciled is identical.";
case NERR_DfsCantRemoveDfsRoot:
return "The DFS root cannot be deleted. Uninstall DFS if required.";
case NERR_DfsChildOrParentInDfs:
return "A child or parent directory of the share is already in a Dfs.";
case NERR_DfsInternalError:
return "Dfs internal error.";
/* the following are not defined in mingw */
#if 0
case NERR_SetupAlreadyJoined:
return "This machine is already joined to a domain.";
case NERR_SetupNotJoined:
return "This machine is not currently joined to a domain.";
case NERR_SetupDomainController:
return "This machine is a domain controller and cannot be unjoined from a domain.";
case NERR_DefaultJoinRequired:
return "The destination domain controller does not support creating machine accounts in OUs.";
case NERR_InvalidWorkgroupName:
return "The specified workgroup name is invalid.";
case NERR_NameUsesIncompatibleCodePage:
return "The specified computer name is incompatible with the default language used on the domain controller.";
case NERR_ComputerAccountNotFound:
return "The specified computer account could not be found.";
case NERR_PersonalSku:
return "This version of Windows cannot be joined to a domain.";
case NERR_PasswordMustChange:
return "The password must change at the next logon.";
case NERR_AccountLockedOut:
return "The account is locked out.";
case NERR_PasswordTooLong:
return "The password is too long.";
case NERR_PasswordNotComplexEnough:
return "The password does not meet the complexity policy.";
case NERR_PasswordFilterError:
return "The password does not meet the requirements of the password filter DLLs.";
#endif
}
msg = strerror (error_number);
if (msg == NULL)
msg = "unknown";
return msg;
#endif //DBUS_WINCE
}
/******************************************************************************
Original CVS version of dbus-sysdeps.c
******************************************************************************/
/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-sysdeps.c Wrappers around system/libc features (internal to D-Bus implementation)
*
* Copyright (C) 2002, 2003 Red Hat, Inc.
* Copyright (C) 2003 CodeFactory AB
* Copyright (C) 2005 Novell, Inc.
*
* Licensed under the Academic Free License version 2.1
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/**
* @addtogroup DBusInternalsUtils
* @{
*/
int _dbus_mkdir (const char *path,
mode_t mode)
{
return _mkdir(path);
}
/**
* Exit the process, returning the given value.
*
* @param code the exit code
*/
void
_dbus_exit (int code)
{
_exit (code);
}
/**
* Creates a socket and connects to a socket at the given host
* and port. The connection fd is returned, and is set up as
* nonblocking.
*
* @param host the host name to connect to, NULL for loopback
* @param port the prot to connect to
* @param error return location for error code
* @returns connection file descriptor or -1 on error
*/
int
_dbus_connect_tcp_socket (const char *host,
dbus_uint32_t port,
DBusError *error)
{
DBusSocket s;
int handle;
struct sockaddr_in addr;
struct hostent *he;
struct in_addr *haddr;
struct in_addr ina;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
_dbus_win_startup_winsock ();
s.fd = socket (AF_INET, SOCK_STREAM, 0);
if (DBUS_SOCKET_IS_INVALID (s.fd))
{
DBUS_SOCKET_SET_ERRNO ();
dbus_set_error (error,
_dbus_error_from_errno (errno),
"Failed to create socket: %s",
_dbus_strerror (errno));
return -1;
}
if (host == NULL)
{
host = "localhost";
ina.s_addr = htonl (INADDR_LOOPBACK);
haddr = &ina;
}
he = gethostbyname (host);
if (he == NULL)
{
DBUS_SOCKET_SET_ERRNO ();
dbus_set_error (error,
_dbus_error_from_errno (errno),
"Failed to lookup hostname: %s",
host);
DBUS_CLOSE_SOCKET (s.fd);
return -1;
}
haddr = ((struct in_addr *) (he->h_addr_list)[0]);
_DBUS_ZERO (addr);
memcpy (&addr.sin_addr, haddr, sizeof(struct in_addr));
addr.sin_family = AF_INET;
addr.sin_port = htons (port);
if (DBUS_SOCKET_API_RETURNS_ERROR
(connect (s.fd, (struct sockaddr*) &addr, sizeof (addr)) < 0))
{
DBUS_SOCKET_SET_ERRNO ();
dbus_set_error (error,
_dbus_error_from_errno (errno),
"Failed to connect to socket %s:%d %s",
host, port, _dbus_strerror (errno));
DBUS_CLOSE_SOCKET (s.fd);
s.fd = -1;
return -1;
}
handle = _dbus_socket_to_handle (&s);
if (!_dbus_set_fd_nonblocking (handle, error))
{
_dbus_close_socket (handle, NULL);
handle = -1;
return -1;
}
return handle;
}
void
_dbus_daemon_init(const char *host, dbus_uint32_t port);
/**
* Creates a socket and binds it to the given port,
* then listens on the socket. The socket is
* set to be nonblocking.
*
* @param host the interface to listen on, NULL for loopback, empty for any
* @param port the port to listen on, if zero a free port will be used
* @param error return location for errors
* @returns the listening file descriptor or -1 on error
*/
int
_dbus_listen_tcp_socket (const char *host,
dbus_uint32_t port,
DBusError *error)
{
DBusSocket slisten;
int handle;
struct sockaddr_in addr;
struct hostent *he;
struct in_addr *haddr;
int len = sizeof (struct sockaddr);
struct in_addr ina;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
_dbus_win_startup_winsock ();
slisten.fd = socket (AF_INET, SOCK_STREAM, 0);
if (DBUS_SOCKET_IS_INVALID (slisten.fd))
{
DBUS_SOCKET_SET_ERRNO ();
dbus_set_error (error, _dbus_error_from_errno (errno),
"Failed to create socket \"%s:%d\": %s",
host, port, _dbus_strerror (errno));
return -1;
}
if (host == NULL)
{
host = "localhost";
ina.s_addr = htonl (INADDR_LOOPBACK);
haddr = &ina;
}
else if (!host[0])
{
ina.s_addr = htonl (INADDR_ANY);
haddr = &ina;
}
else
{
he = gethostbyname (host);
if (he == NULL)
{
DBUS_SOCKET_SET_ERRNO ();
dbus_set_error (error,
_dbus_error_from_errno (errno),
"Failed to lookup hostname: %s",
host);
DBUS_CLOSE_SOCKET (slisten.fd);
return -1;
}
haddr = ((struct in_addr *) (he->h_addr_list)[0]);
}
_DBUS_ZERO (addr);
memcpy (&addr.sin_addr, haddr, sizeof (struct in_addr));
addr.sin_family = AF_INET;
addr.sin_port = htons (port);
if (bind (slisten.fd, (struct sockaddr*) &addr, sizeof (struct sockaddr)))
{
DBUS_SOCKET_SET_ERRNO ();
dbus_set_error (error, _dbus_error_from_errno (errno),
"Failed to bind socket \"%s:%d\": %s",
host, port, _dbus_strerror (errno));
DBUS_CLOSE_SOCKET (slisten.fd);
return -1;
}
if (DBUS_SOCKET_API_RETURNS_ERROR (listen (slisten.fd, 30 /* backlog */)))
{
DBUS_SOCKET_SET_ERRNO ();
dbus_set_error (error, _dbus_error_from_errno (errno),
"Failed to listen on socket \"%s:%d\": %s",
host, port, _dbus_strerror (errno));
DBUS_CLOSE_SOCKET (slisten.fd);
return -1;
}
getsockname(slisten.fd, (struct sockaddr*) &addr, &len);
_dbus_daemon_init(host, ntohs(addr.sin_port));
handle = _dbus_socket_to_handle (&slisten);
if (!_dbus_set_fd_nonblocking (handle, error))
{
_dbus_close_socket (handle, NULL);
return -1;
}
return handle;
}
/**
* Accepts a connection on a listening socket.
* Handles EINTR for you.
*
* @param listen_fd the listen file descriptor
* @returns the connection fd of the client, or -1 on error
*/
int
_dbus_accept (int listen_handle)
{
DBusSocket *slisten;
DBusSocket sclient;
struct sockaddr addr;
socklen_t addrlen;
_dbus_handle_to_socket(listen_handle, &slisten);
addrlen = sizeof (addr);
//FIXME: why do we not try it again on Windows?
#if !defined(DBUS_WIN) && !defined(DBUS_WINCE)
retry:
#endif
sclient.fd = accept (slisten->fd, &addr, &addrlen);
if (DBUS_SOCKET_IS_INVALID (sclient.fd))
{
DBUS_SOCKET_SET_ERRNO ();
#if !defined(DBUS_WIN) && !defined(DBUS_WINCE)
if (errno == EINTR)
goto retry;
#else
return -1;
#endif
}
return _dbus_socket_to_handle (&sclient);
}
dbus_bool_t
write_credentials_byte (int server_fd,
DBusError *error)
{
/* FIXME: for the session bus credentials shouldn't matter (?), but
* for the system bus they are presumably essential. A rough outline
* of a way to implement the credential transfer would be this:
*
* client waits to *read* a byte.
*
* server creates a named pipe with a random name, sends a byte
* contining its length, and its name.
*
* client reads the name, connects to it (using Win32 API).
*
* server waits for connection to the named pipe, then calls
* ImpersonateNamedPipeClient(), notes its now-current credentials,
* calls RevertToSelf(), closes its handles to the named pipe, and
* is done. (Maybe there is some other way to get the SID of a named
* pipe client without having to use impersonation?)
*
* client closes its handles and is done.
*
*/
return TRUE;
}
/**
* Reads a single byte which must be nul (an error occurs otherwise),
* and reads unix credentials if available. Fills in pid/uid/gid with
* -1 if no credentials are available. Return value indicates whether
* a byte was read, not whether we got valid credentials. On some
* systems, such as Linux, reading/writing the byte isn't actually
* required, but we do it anyway just to avoid multiple codepaths.
*
* Fails if no byte is available, so you must select() first.
*
* The point of the byte is that on some systems we have to
* use sendmsg()/recvmsg() to transmit credentials.
*
* @param client_fd the client file descriptor
* @param credentials struct to fill with credentials of client
* @param error location to store error code
* @returns #TRUE on success
*/
dbus_bool_t
_dbus_read_credentials_unix_socket (int client_fd,
DBusCredentials *credentials,
DBusError *error)
{
/* FIXME bogus testing credentials */
_dbus_credentials_from_current_process (credentials);
return TRUE;
}
/**
* Checks to make sure the given directory is
* private to the user
*
* @param dir the name of the directory
* @param error error return
* @returns #FALSE on failure
**/
dbus_bool_t
_dbus_check_dir_is_private_to_user (DBusString *dir, DBusError *error)
{
const char *directory;
struct stat sb;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
return TRUE;
}
/**
* Gets user info for the given user ID.
*
* @param info user info object to initialize
* @param uid the user ID
* @param error error return
* @returns #TRUE on success
*/
dbus_bool_t
_dbus_user_info_fill_uid (DBusUserInfo *info,
dbus_uid_t uid,
DBusError *error)
{
return fill_user_info (info, uid,
NULL, error);
}
/**
* Gets user info for the given username.
*
* @param info user info object to initialize
* @param username the username
* @param error error return
* @returns #TRUE on success
*/
dbus_bool_t
_dbus_user_info_fill (DBusUserInfo *info,
const DBusString *username,
DBusError *error)
{
return fill_user_info (info, DBUS_UID_UNSET,
username, error);
}
dbus_bool_t
fill_user_info (DBusUserInfo *info,
dbus_uid_t uid,
const DBusString *username,
DBusError *error)
{
const char *username_c;
/* exactly one of username/uid provided */
_dbus_assert (username != NULL || uid != DBUS_UID_UNSET);
_dbus_assert (username == NULL || uid == DBUS_UID_UNSET);
info->uid = DBUS_UID_UNSET;
info->primary_gid = DBUS_GID_UNSET;
info->group_ids = NULL;
info->n_group_ids = 0;
info->username = NULL;
info->homedir = NULL;
if (username != NULL)
username_c = _dbus_string_get_const_data (username);
else
username_c = NULL;
if (uid != DBUS_UID_UNSET)
{
if (!fill_win_user_info_from_uid (uid, info, error))
{
_dbus_verbose("%s after fill_win_user_info_from_uid\n",__FUNCTION__);
return FALSE;
}
}
else
{
wchar_t *wname = _dbus_win_utf8_to_utf16 (username_c, error);
if (!wname)
return FALSE;
if (!fill_win_user_info_from_name (wname, info, error))
{
dbus_free (wname);
return FALSE;
}
dbus_free (wname);
}
return TRUE;
}
/**
* Appends the given filename to the given directory.
*
* @todo it might be cute to collapse multiple '/' such as "foo//"
* concat "//bar"
*
* @param dir the directory name
* @param next_component the filename
* @returns #TRUE on success
*/
dbus_bool_t
_dbus_concat_dir_and_file (DBusString *dir,
const DBusString *next_component)
{
dbus_bool_t dir_ends_in_slash;
dbus_bool_t file_starts_with_slash;
if (_dbus_string_get_length (dir) == 0 ||
_dbus_string_get_length (next_component) == 0)
return TRUE;
dir_ends_in_slash =
('/' == _dbus_string_get_byte (dir, _dbus_string_get_length (dir) - 1) ||
'\\' == _dbus_string_get_byte (dir, _dbus_string_get_length (dir) - 1));
file_starts_with_slash =
('/' == _dbus_string_get_byte (next_component, 0) ||
'\\' == _dbus_string_get_byte (next_component, 0));
if (dir_ends_in_slash && file_starts_with_slash)
{
_dbus_string_shorten (dir, 1);
}
else if (!(dir_ends_in_slash || file_starts_with_slash))
{
if (!_dbus_string_append_byte (dir, '\\'))
return FALSE;
}
return _dbus_string_copy (next_component, 0, dir,
_dbus_string_get_length (dir));
}
/**
* Gets our process ID
* @returns process ID
*/
unsigned long
_dbus_getpid (void)
{
return GetCurrentProcessId ();
}
/** nanoseconds in a second */
#define NANOSECONDS_PER_SECOND 1000000000
/** microseconds in a second */
#define MICROSECONDS_PER_SECOND 1000000
/** milliseconds in a second */
#define MILLISECONDS_PER_SECOND 1000
/** nanoseconds in a millisecond */
#define NANOSECONDS_PER_MILLISECOND 1000000
/** microseconds in a millisecond */
#define MICROSECONDS_PER_MILLISECOND 1000
/**
* Sleeps the given number of milliseconds.
* @param milliseconds number of milliseconds
*/
void
_dbus_sleep_milliseconds (int milliseconds)
{
Sleep (milliseconds);
}
/**
* Get current time, as in gettimeofday().
*
* @param tv_sec return location for number of seconds
* @param tv_usec return location for number of microseconds
*/
void
_dbus_get_current_time (long *tv_sec,
long *tv_usec)
{
FILETIME ft;
dbus_uint64_t *time64 = (dbus_uint64_t *) &ft;
GetSystemTimeAsFileTime (&ft);
/* Convert from 100s of nanoseconds since 1601-01-01
* to Unix epoch. Yes, this is Y2038 unsafe.
*/
*time64 -= DBUS_INT64_CONSTANT (116444736000000000);
*time64 /= 10;
if (tv_sec)
*tv_sec = *time64 / 1000000;
if (tv_usec)
*tv_usec = *time64 % 1000000;
}
/**
* signal (SIGPIPE, SIG_IGN);
*/
void
_dbus_disable_sigpipe (void)
{
_dbus_verbose("FIXME: implement _dbus_disable_sigpipe (void)\n");
}
/**
* Gets the credentials of the current process.
*
* @param credentials credentials to fill in.
*/
void
_dbus_credentials_from_current_process (DBusCredentials *credentials)
{
credentials->pid = _dbus_getpid ();
credentials->uid = _dbus_getuid ();
credentials->gid = _dbus_getgid ();
}
/**
* Appends the contents of the given file to the string,
* returning error code. At the moment, won't open a file
* more than a megabyte in size.
*
* @param str the string to append to
* @param filename filename to load
* @param error place to set an error
* @returns #FALSE if error was set
*/
dbus_bool_t
_dbus_file_get_contents (DBusString *str,
const DBusString *filename,
DBusError *error)
{
DBusFile file;
struct stat sb;
int orig_len;
int total;
const char *filename_c;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
filename_c = _dbus_string_get_const_data (filename);
/* O_BINARY useful on Cygwin and Win32 */
if (!_dbus_open_file (&file, filename_c, O_RDONLY | O_BINARY, -1))
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Failed to open \"%s\": %s",
filename_c,
_dbus_strerror (errno));
return FALSE;
}
if (!_dbus_fstat (&file, &sb))
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Failed to stat \"%s\": %s",
filename_c,
_dbus_strerror (errno));
_dbus_verbose ("fstat() failed: %s",
_dbus_strerror (errno));
_dbus_close_file (&file, NULL);
return FALSE;
}
if (sb.st_size > _DBUS_ONE_MEGABYTE)
{
dbus_set_error (error, DBUS_ERROR_FAILED,
"File size %lu of \"%s\" is too large.",
(unsigned long) sb.st_size, filename_c);
_dbus_close_file (&file, NULL);
return FALSE;
}
total = 0;
orig_len = _dbus_string_get_length (str);
if (sb.st_size > 0 && S_ISREG (sb.st_mode))
{
int bytes_read;
while (total < (int) sb.st_size)
{
bytes_read = _dbus_read_file (&file, str,
sb.st_size - total);
if (bytes_read <= 0)
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Error reading \"%s\": %s",
filename_c,
_dbus_strerror (errno));
_dbus_verbose ("read() failed: %s",
_dbus_strerror (errno));
_dbus_close_file (&file, NULL);
_dbus_string_set_length (str, orig_len);
return FALSE;
}
else
total += bytes_read;
}
_dbus_close_file (&file, NULL);
return TRUE;
}
else if (sb.st_size != 0)
{
_dbus_verbose ("Can only open regular files at the moment.\n");
dbus_set_error (error, DBUS_ERROR_FAILED,
"\"%s\" is not a regular file",
filename_c);
_dbus_close_file (&file, NULL);
return FALSE;
}
else
{
_dbus_close_file (&file, NULL);
return TRUE;
}
}
/**
* Writes a string out to a file. If the file exists,
* it will be atomically overwritten by the new data.
*
* @param str the string to write out
* @param filename the file to save string to
* @param error error to be filled in on failure
* @returns #FALSE on failure
*/
dbus_bool_t
_dbus_string_save_to_file (const DBusString *str,
const DBusString *filename,
DBusError *error)
{
DBusFile file;
int bytes_to_write;
const char *filename_c;
DBusString tmp_filename;
const char *tmp_filename_c;
int total;
dbus_bool_t need_unlink;
dbus_bool_t retval;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
retval = FALSE;
need_unlink = FALSE;
if (!_dbus_string_init (&tmp_filename))
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
return FALSE;
}
if (!_dbus_string_copy (filename, 0, &tmp_filename, 0))
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
_dbus_string_free (&tmp_filename);
return FALSE;
}
if (!_dbus_string_append (&tmp_filename, "."))
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
_dbus_string_free (&tmp_filename);
return FALSE;
}
#define N_TMP_FILENAME_RANDOM_BYTES 8
if (!_dbus_generate_random_ascii (&tmp_filename, N_TMP_FILENAME_RANDOM_BYTES))
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
_dbus_string_free (&tmp_filename);
return FALSE;
}
filename_c = _dbus_string_get_const_data (filename);
tmp_filename_c = _dbus_string_get_const_data (&tmp_filename);
if (!_dbus_open_file (&file, tmp_filename_c, O_WRONLY | O_BINARY | O_EXCL | O_CREAT,
0600))
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Could not create %s: %s", tmp_filename_c,
_dbus_strerror (errno));
goto out;
}
need_unlink = TRUE;
total = 0;
bytes_to_write = _dbus_string_get_length (str);
while (total < bytes_to_write)
{
int bytes_written;
bytes_written = _dbus_write_file (&file, str, total,
bytes_to_write - total);
if (bytes_written <= 0)
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Could not write to %s: %s", tmp_filename_c,
_dbus_strerror (errno));
goto out;
}
total += bytes_written;
}
if (!_dbus_close_file (&file, NULL))
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Could not close file %s: %s",
tmp_filename_c, _dbus_strerror (errno));
goto out;
}
if ((unlink (filename_c) == -1 && errno != ENOENT) ||
rename (tmp_filename_c, filename_c) < 0)
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Could not rename %s to %s: %s",
tmp_filename_c, filename_c,
_dbus_strerror (errno));
goto out;
}
need_unlink = FALSE;
retval = TRUE;
out:
/* close first, then unlink, to prevent ".nfs34234235" garbage
* files
*/
if (_dbus_is_valid_file(&file))
_dbus_close_file (&file, NULL);
if (need_unlink && unlink (tmp_filename_c) < 0)
_dbus_verbose ("Failed to unlink temp file %s: %s\n",
tmp_filename_c, _dbus_strerror (errno));
_dbus_string_free (&tmp_filename);
if (!retval)
_DBUS_ASSERT_ERROR_IS_SET (error);
return retval;
}
/** Creates the given file, failing if the file already exists.
*
* @param filename the filename
* @param error error location
* @returns #TRUE if we created the file and it didn't exist
*/
dbus_bool_t
_dbus_create_file_exclusively (const DBusString *filename,
DBusError *error)
{
DBusFile file;
const char *filename_c;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
filename_c = _dbus_string_get_const_data (filename);
if (!_dbus_open_file (&file, filename_c, O_WRONLY | O_BINARY | O_EXCL | O_CREAT,
0600))
{
dbus_set_error (error,
DBUS_ERROR_FAILED,
"Could not create file %s: %s\n",
filename_c,
_dbus_strerror (errno));
return FALSE;
}
if (!_dbus_close_file (&file, NULL))
{
dbus_set_error (error,
DBUS_ERROR_FAILED,
"Could not close file %s: %s\n",
filename_c,
_dbus_strerror (errno));
return FALSE;
}
return TRUE;
}
/**
* Creates a directory; succeeds if the directory
* is created or already existed.
*
* @param filename directory filename
* @param error initialized error object
* @returns #TRUE on success
*/
dbus_bool_t
_dbus_create_directory (const DBusString *filename,
DBusError *error)
{
const char *filename_c;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
filename_c = _dbus_string_get_const_data (filename);
if (_dbus_mkdir (filename_c, 0700) < 0)
{
if (errno == EEXIST)
return TRUE;
dbus_set_error (error, DBUS_ERROR_FAILED,
"Failed to create directory %s: %s\n",
filename_c, _dbus_strerror (errno));
return FALSE;
}
else
return TRUE;
}
static void
pseudorandom_generate_random_bytes_buffer (char *buffer,
int n_bytes)
{
long tv_usec;
int i;
/* fall back to pseudorandom */
_dbus_verbose ("Falling back to pseudorandom for %d bytes\n",
n_bytes);
_dbus_get_current_time (NULL, &tv_usec);
srand (tv_usec);
i = 0;
while (i < n_bytes)
{
double r;
unsigned int b;
r = rand ();
b = (r / (double) RAND_MAX) * 255.0;
buffer[i] = b;
++i;
}
}
static dbus_bool_t
pseudorandom_generate_random_bytes (DBusString *str,
int n_bytes)
{
int old_len;
char *p;
old_len = _dbus_string_get_length (str);
if (!_dbus_string_lengthen (str, n_bytes))
return FALSE;
p = _dbus_string_get_data_len (str, old_len, n_bytes);
pseudorandom_generate_random_bytes_buffer (p, n_bytes);
return TRUE;
}
/**
* Gets the temporary files directory by inspecting the environment variables
* TMPDIR, TMP, and TEMP in that order. If none of those are set "/tmp" is returned
*
* @returns location of temp directory
*/
const char*
_dbus_get_tmpdir(void)
{
static const char* tmpdir = NULL;
if (tmpdir == NULL)
{
if (tmpdir == NULL)
tmpdir = getenv("TMP");
if (tmpdir == NULL)
tmpdir = getenv("TEMP");
if (tmpdir == NULL)
tmpdir = getenv("TMPDIR");
if (tmpdir == NULL)
tmpdir = "C:\\Temp";
}
_dbus_assert(tmpdir != NULL);
return tmpdir;
}
/**
* Deletes the given file.
*
* @param filename the filename
* @param error error location
*
* @returns #TRUE if unlink() succeeded
*/
dbus_bool_t
_dbus_delete_file (const DBusString *filename,
DBusError *error)
{
const char *filename_c;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
filename_c = _dbus_string_get_const_data (filename);
if (unlink (filename_c) < 0)
{
dbus_set_error (error, DBUS_ERROR_FAILED,
"Failed to delete file %s: %s\n",
filename_c, _dbus_strerror (errno));
return FALSE;
}
else
return TRUE;
}
/**
* Generates the given number of random bytes,
* using the best mechanism we can come up with.
*
* @param str the string
* @param n_bytes the number of random bytes to append to string
* @returns #TRUE on success, #FALSE if no memory
*/
dbus_bool_t
_dbus_generate_random_bytes (DBusString *str,
int n_bytes)
{
return pseudorandom_generate_random_bytes (str, n_bytes);
}
#if !defined (DBUS_DISABLE_ASSERT) || defined(DBUS_BUILD_TESTS)
#ifdef _MSC_VER
# ifdef BACKTRACES
# undef BACKTRACES
# endif
#else
# define BACKTRACES
#endif
#ifdef BACKTRACES
/*
* Backtrace Generator
*
* Copyright 2004 Eric Poech
* Copyright 2004 Robert Shearman
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <winver.h>
#include <imagehlp.h>
#include <stdio.h>
#define DPRINTF _dbus_warn
#ifdef _MSC_VER
#define BOOL int
#define __i386__
#endif
//#define MAKE_FUNCPTR(f) static typeof(f) * p##f
//MAKE_FUNCPTR(StackWalk);
//MAKE_FUNCPTR(SymGetModuleBase);
//MAKE_FUNCPTR(SymFunctionTableAccess);
//MAKE_FUNCPTR(SymInitialize);
//MAKE_FUNCPTR(SymGetSymFromAddr);
//MAKE_FUNCPTR(SymGetModuleInfo);
static BOOL (WINAPI *pStackWalk)(
DWORD MachineType,
HANDLE hProcess,
HANDLE hThread,
LPSTACKFRAME StackFrame,
PVOID ContextRecord,
PREAD_PROCESS_MEMORY_ROUTINE ReadMemoryRoutine,
PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
PTRANSLATE_ADDRESS_ROUTINE TranslateAddress
);
static DWORD (WINAPI *pSymGetModuleBase)(
HANDLE hProcess,
DWORD dwAddr
);
static PVOID (WINAPI *pSymFunctionTableAccess)(
HANDLE hProcess,
DWORD AddrBase
);
static BOOL (WINAPI *pSymInitialize)(
HANDLE hProcess,
PSTR UserSearchPath,
BOOL fInvadeProcess
);
static BOOL (WINAPI *pSymGetSymFromAddr)(
HANDLE hProcess,
DWORD Address,
PDWORD Displacement,
PIMAGEHLP_SYMBOL Symbol
);
static BOOL (WINAPI *pSymGetModuleInfo)(
HANDLE hProcess,
DWORD dwAddr,
PIMAGEHLP_MODULE ModuleInfo
);
static DWORD (WINAPI *pSymSetOptions)(
DWORD SymOptions
);
static BOOL init_backtrace()
{
HMODULE hmodDbgHelp = LoadLibraryA("dbghelp");
/*
#define GETFUNC(x) \
p##x = (typeof(x)*)GetProcAddress(hmodDbgHelp, #x); \
if (!p##x) \
{ \
return FALSE; \
}
*/
// GETFUNC(StackWalk);
// GETFUNC(SymGetModuleBase);
// GETFUNC(SymFunctionTableAccess);
// GETFUNC(SymInitialize);
// GETFUNC(SymGetSymFromAddr);
// GETFUNC(SymGetModuleInfo);
#define FUNC(x) #x
pStackWalk = (BOOL (WINAPI *)(
DWORD MachineType,
HANDLE hProcess,
HANDLE hThread,
LPSTACKFRAME StackFrame,
PVOID ContextRecord,
PREAD_PROCESS_MEMORY_ROUTINE ReadMemoryRoutine,
PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
PTRANSLATE_ADDRESS_ROUTINE TranslateAddress
))GetProcAddress (hmodDbgHelp, FUNC(StackWalk));
pSymGetModuleBase=(DWORD (WINAPI *)(
HANDLE hProcess,
DWORD dwAddr
))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleBase));
pSymFunctionTableAccess=(PVOID (WINAPI *)(
HANDLE hProcess,
DWORD AddrBase
))GetProcAddress (hmodDbgHelp, FUNC(SymFunctionTableAccess));
pSymInitialize = (BOOL (WINAPI *)(
HANDLE hProcess,
PSTR UserSearchPath,
BOOL fInvadeProcess
))GetProcAddress (hmodDbgHelp, FUNC(SymInitialize));
pSymGetSymFromAddr = (BOOL (WINAPI *)(
HANDLE hProcess,
DWORD Address,
PDWORD Displacement,
PIMAGEHLP_SYMBOL Symbol
))GetProcAddress (hmodDbgHelp, FUNC(SymGetSymFromAddr));
pSymGetModuleInfo = (BOOL (WINAPI *)(
HANDLE hProcess,
DWORD dwAddr,
PIMAGEHLP_MODULE ModuleInfo
))GetProcAddress (hmodDbgHelp, FUNC(SymGetModuleInfo));
pSymSetOptions = (DWORD (WINAPI *)(
DWORD SymOptions
))GetProcAddress (hmodDbgHelp, FUNC(SymSetOptions));
pSymSetOptions(SYMOPT_UNDNAME);
pSymInitialize(GetCurrentProcess(), NULL, TRUE);
return TRUE;
}
static void dump_backtrace_for_thread(HANDLE hThread)
{
STACKFRAME sf;
CONTEXT context;
DWORD dwImageType;
if (!pStackWalk)
if (!init_backtrace())
return;
/* can't use this function for current thread as GetThreadContext
* doesn't support getting context from current thread */
if (hThread == GetCurrentThread())
return;
DPRINTF("Backtrace:\n");
memset(&context, 0, sizeof(context));
context.ContextFlags = CONTEXT_FULL;
SuspendThread(hThread);
if (!GetThreadContext(hThread, &context))
{
DPRINTF("Couldn't get thread context (error %ld)\n", GetLastError());
ResumeThread(hThread);
return;
}
memset(&sf, 0, sizeof(sf));
#ifdef __i386__
sf.AddrFrame.Offset = context.Ebp;
sf.AddrFrame.Mode = AddrModeFlat;
sf.AddrPC.Offset = context.Eip;
sf.AddrPC.Mode = AddrModeFlat;
dwImageType = IMAGE_FILE_MACHINE_I386;
#else
# error You need to fill in the STACKFRAME structure for your architecture
#endif
while (pStackWalk(dwImageType, GetCurrentProcess(),
hThread, &sf, &context, NULL, pSymFunctionTableAccess,
pSymGetModuleBase, NULL))
{
BYTE buffer[256];
IMAGEHLP_SYMBOL * pSymbol = (IMAGEHLP_SYMBOL *)buffer;
DWORD dwDisplacement;
pSymbol->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL);
pSymbol->MaxNameLength = sizeof(buffer) - sizeof(IMAGEHLP_SYMBOL) + 1;
if (!pSymGetSymFromAddr(GetCurrentProcess(), sf.AddrPC.Offset,
&dwDisplacement, pSymbol))
{
IMAGEHLP_MODULE ModuleInfo;
ModuleInfo.SizeOfStruct = sizeof(ModuleInfo);
if (!pSymGetModuleInfo(GetCurrentProcess(), sf.AddrPC.Offset,
&ModuleInfo))
DPRINTF("1\t%p\n", (void*)sf.AddrPC.Offset);
else
DPRINTF("2\t%s+0x%lx\n", ModuleInfo.ImageName,
sf.AddrPC.Offset - ModuleInfo.BaseOfImage);
}
else if (dwDisplacement)
DPRINTF("3\t%s+0x%lx\n", pSymbol->Name, dwDisplacement);
else
DPRINTF("4\t%s\n", pSymbol->Name);
}
ResumeThread(hThread);
}
static DWORD WINAPI dump_thread_proc(LPVOID lpParameter)
{
dump_backtrace_for_thread((HANDLE)lpParameter);
return 0;
}
/* cannot get valid context from current thread, so we have to execute
* backtrace from another thread */
static void dump_backtrace()
{
HANDLE hCurrentThread;
HANDLE hThread;
DWORD dwThreadId;
DuplicateHandle(GetCurrentProcess(), GetCurrentThread(),
GetCurrentProcess(), &hCurrentThread, 0, FALSE, DUPLICATE_SAME_ACCESS);
hThread = CreateThread(NULL, 0, dump_thread_proc, (LPVOID)hCurrentThread,
0, &dwThreadId);
WaitForSingleObject(hThread, INFINITE);
CloseHandle(hThread);
CloseHandle(hCurrentThread);
}
void _dbus_print_backtrace(void)
{
init_backtrace();
dump_backtrace();
}
#else
void _dbus_print_backtrace(void)
{
_dbus_verbose (" D-Bus not compiled with backtrace support\n");
}
#endif
/**
* Sends a single nul byte with our UNIX credentials as ancillary
* data. Returns #TRUE if the data was successfully written. On
* systems that don't support sending credentials, just writes a byte,
* doesn't send any credentials. On some systems, such as Linux,
* reading/writing the byte isn't actually required, but we do it
* anyway just to avoid multiple codepaths.
*
* Fails if no byte can be written, so you must select() first.
*
* The point of the byte is that on some systems we have to
* use sendmsg()/recvmsg() to transmit credentials.
*
* @param server_fd file descriptor for connection to server
* @param error return location for error code
* @returns #TRUE if the byte was sent
*/
dbus_bool_t
_dbus_send_credentials_unix_socket (int server_fd,
DBusError *error)
{
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
if (write_credentials_byte (server_fd, error))
return TRUE;
else
return FALSE;
}
static dbus_uint32_t fromAscii(char ascii)
{
if(ascii >= '0' && ascii <= '9')
return ascii - '0';
if(ascii >= 'A' && ascii <= 'F')
return ascii - 'A' + 10;
if(ascii >= 'a' && ascii <= 'f')
return ascii - 'a' + 10;
return 0;
}
dbus_bool_t _dbus_read_local_machine_uuid (DBusGUID *machine_id,
dbus_bool_t create_if_not_found,
DBusError *error)
{
#ifdef DBUS_WINCE
return TRUE;
// TODO
#else
HW_PROFILE_INFOA info;
char *lpc = &info.szHwProfileGuid[0];
dbus_uint32_t u;
// the hw-profile guid lives long enough
if(!GetCurrentHwProfileA(&info))
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL); // FIXME
return FALSE;
}
// Form: {12340001-4980-1920-6788-123456789012}
lpc++;
// 12340001
u = ((fromAscii(lpc[0]) << 0) |
(fromAscii(lpc[1]) << 4) |
(fromAscii(lpc[2]) << 8) |
(fromAscii(lpc[3]) << 12) |
(fromAscii(lpc[4]) << 16) |
(fromAscii(lpc[5]) << 20) |
(fromAscii(lpc[6]) << 24) |
(fromAscii(lpc[7]) << 28));
machine_id->as_uint32s[0] = u;
lpc += 9;
// 4980-1920
u = ((fromAscii(lpc[0]) << 0) |
(fromAscii(lpc[1]) << 4) |
(fromAscii(lpc[2]) << 8) |
(fromAscii(lpc[3]) << 12) |
(fromAscii(lpc[5]) << 16) |
(fromAscii(lpc[6]) << 20) |
(fromAscii(lpc[7]) << 24) |
(fromAscii(lpc[8]) << 28));
machine_id->as_uint32s[1] = u;
lpc += 10;
// 6788-1234
u = ((fromAscii(lpc[0]) << 0) |
(fromAscii(lpc[1]) << 4) |
(fromAscii(lpc[2]) << 8) |
(fromAscii(lpc[3]) << 12) |
(fromAscii(lpc[5]) << 16) |
(fromAscii(lpc[6]) << 20) |
(fromAscii(lpc[7]) << 24) |
(fromAscii(lpc[8]) << 28));
machine_id->as_uint32s[2] = u;
lpc += 9;
// 56789012
u = ((fromAscii(lpc[0]) << 0) |
(fromAscii(lpc[1]) << 4) |
(fromAscii(lpc[2]) << 8) |
(fromAscii(lpc[3]) << 12) |
(fromAscii(lpc[4]) << 16) |
(fromAscii(lpc[5]) << 20) |
(fromAscii(lpc[6]) << 24) |
(fromAscii(lpc[7]) << 28));
machine_id->as_uint32s[3] = u;
#endif
return TRUE;
}
static
HANDLE _dbus_global_lock (const char *mutexname)
{
HANDLE mutex;
DWORD gotMutex;
mutex = CreateMutex( NULL, FALSE, mutexname );
if( !mutex )
{
return FALSE;
}
gotMutex = WaitForSingleObject( mutex, INFINITE );
switch( gotMutex )
{
case WAIT_ABANDONED:
ReleaseMutex (mutex);
CloseHandle (mutex);
return 0;
case WAIT_FAILED:
case WAIT_TIMEOUT:
return 0;
}
return mutex;
}
static
void _dbus_global_unlock (HANDLE mutex)
{
ReleaseMutex (mutex);
CloseHandle (mutex);
}
// for proper cleanup in dbus-daemon
static HANDLE hDBusDaemonMutex = NULL;
static HANDLE hDBusSharedMem = NULL;
// sync _dbus_daemon_init, _dbus_daemon_uninit and _dbus_daemon_already_runs
static const char *cUniqueDBusInitMutex = "UniqueDBusInitMutex";
// sync _dbus_get_autolaunch_address
static const char *cDBusAutolaunchMutex = "DBusAutolaunchMutex";
// mutex to determine if dbus-daemon is already started (per user)
static const char *cDBusDaemonMutex = "DBusDaemonMutex";
// named shm for dbus adress info (per user)
static const char *cDBusDaemonAddressInfo = "DBusDaemonAddressInfo";
void
_dbus_daemon_init(const char *host, dbus_uint32_t port)
{
HANDLE lock;
const char *adr = NULL;
char szUserName[64];
DWORD dwUserNameSize = sizeof(szUserName);
char szDBusDaemonMutex[128];
char szDBusDaemonAddressInfo[128];
char szAddress[128];
_dbus_assert(host);
_dbus_assert(port);
_snprintf(szAddress, sizeof(szAddress) - 1, "tcp:host=%s,port=%d", host, port);
_dbus_assert( GetUserName(szUserName, &dwUserNameSize) != 0);
_snprintf(szDBusDaemonMutex, sizeof(szDBusDaemonMutex) - 1, "%s:%s",
cDBusDaemonMutex, szUserName);
_snprintf(szDBusDaemonAddressInfo, sizeof(szDBusDaemonAddressInfo) - 1, "%s:%s",
cDBusDaemonAddressInfo, szUserName);
// before _dbus_global_lock to keep correct lock/release order
hDBusDaemonMutex = CreateMutex( NULL, FALSE, szDBusDaemonMutex );
_dbus_assert(WaitForSingleObject( hDBusDaemonMutex, 1000 ) == WAIT_OBJECT_0);
// sync _dbus_daemon_init, _dbus_daemon_uninit and _dbus_daemon_already_runs
lock = _dbus_global_lock( cUniqueDBusInitMutex );
// create shm
hDBusSharedMem = CreateFileMapping( INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE,
0, strlen( szAddress ) + 1, szDBusDaemonAddressInfo );
_dbus_assert( hDBusSharedMem );
adr = MapViewOfFile( hDBusSharedMem, FILE_MAP_WRITE, 0, 0, 0 );
_dbus_assert( adr );
strcpy(adr, szAddress);
// cleanup
UnmapViewOfFile( adr );
_dbus_global_unlock( lock );
}
void
_dbus_daemon_release()
{
HANDLE lock;
// sync _dbus_daemon_init, _dbus_daemon_uninit and _dbus_daemon_already_runs
lock = _dbus_global_lock( cUniqueDBusInitMutex );
CloseHandle( hDBusSharedMem );
hDBusSharedMem = NULL;
ReleaseMutex( hDBusDaemonMutex );
CloseHandle( hDBusDaemonMutex );
hDBusDaemonMutex = NULL;
_dbus_global_unlock( lock );
}
static dbus_bool_t
_dbus_get_autolaunch_shm(DBusString *adress)
{
HANDLE sharedMem;
const char *adr;
char szUserName[64];
DWORD dwUserNameSize = sizeof(szUserName);
char szDBusDaemonAddressInfo[128];
if( !GetUserName(szUserName, &dwUserNameSize) )
return FALSE;
_snprintf(szDBusDaemonAddressInfo, sizeof(szDBusDaemonAddressInfo) - 1, "%s:%s",
cDBusDaemonAddressInfo, szUserName);
// read shm
do {
// we know that dbus-daemon is available, so we wait until shm is available
sharedMem = OpenFileMapping( FILE_MAP_READ, FALSE, szDBusDaemonAddressInfo );
if( sharedMem == 0 )
Sleep( 100 );
} while( sharedMem == 0 );
if( sharedMem == 0 )
return FALSE;
adr = MapViewOfFile( sharedMem, FILE_MAP_READ, 0, 0, 0 );
if( adr == 0 )
return FALSE;
_dbus_string_init( adress );
_dbus_string_append( adress, adr );
// cleanup
UnmapViewOfFile( adr );
CloseHandle( sharedMem );
return TRUE;
}
static dbus_bool_t
_dbus_daemon_already_runs (DBusString *adress)
{
HANDLE lock;
HANDLE daemon;
dbus_bool_t bRet = TRUE;
char szUserName[64];
DWORD dwUserNameSize = sizeof(szUserName);
char szDBusDaemonMutex[128];
// sync _dbus_daemon_init, _dbus_daemon_uninit and _dbus_daemon_already_runs
lock = _dbus_global_lock( cUniqueDBusInitMutex );
if( !GetUserName(szUserName, &dwUserNameSize) )
return FALSE;
_snprintf(szDBusDaemonMutex, sizeof(szDBusDaemonMutex) - 1, "%s:%s",
cDBusDaemonMutex, szUserName);
// do checks
daemon = CreateMutex( NULL, FALSE, szDBusDaemonMutex );
if(WaitForSingleObject( daemon, 10 ) != WAIT_TIMEOUT)
{
ReleaseMutex (daemon);
CloseHandle (daemon);
_dbus_global_unlock( lock );
return FALSE;
}
// read shm
bRet = _dbus_get_autolaunch_shm( adress );
// cleanup
CloseHandle ( daemon );
_dbus_global_unlock( lock );
return bRet;
}
dbus_bool_t
_dbus_get_autolaunch_address (DBusString *address,
DBusError *error)
{
HANDLE mutex;
STARTUPINFOA si;
PROCESS_INFORMATION pi;
dbus_bool_t retval = FALSE;
LPSTR lpFile;
char dbus_exe_path[MAX_PATH];
char dbus_args[MAX_PATH * 2];
mutex = _dbus_global_lock ( cDBusAutolaunchMutex );
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
if (_dbus_daemon_already_runs(address))
{
printf("dbus daemon already exists\n");
retval = TRUE;
goto out;
}
if (!SearchPathA(NULL, "dbus-daemon.exe", NULL, sizeof(dbus_exe_path), dbus_exe_path, &lpFile))
{
printf ("could not find dbus-daemon executable\n");
goto out;
}
// Create process
ZeroMemory( &si, sizeof(si) );
si.cb = sizeof(si);
ZeroMemory( &pi, sizeof(pi) );
_snprintf(dbus_args, sizeof(dbus_args) - 1, "\"%s\" %s", dbus_exe_path, " --session");
// argv[i] = "--config-file=bus\\session.conf";
printf("create process \"%s\" %s\n", dbus_exe_path, dbus_args);
if(CreateProcessA(dbus_exe_path, dbus_args, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi))
{
retval = TRUE;
// Wait until started (see _dbus_get_autolaunch_shm())
WaitForInputIdle(pi.hProcess, INFINITE);
retval = _dbus_get_autolaunch_shm( address );
} else {
retval = FALSE;
}
out:
if (retval)
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
else
_DBUS_ASSERT_ERROR_IS_SET (error);
_dbus_global_unlock (mutex);
return retval;
}
/** Makes the file readable by every user in the system.
*
* @param filename the filename
* @param error error location
* @returns #TRUE if the file's permissions could be changed.
*/
dbus_bool_t
_dbus_make_file_world_readable(const DBusString *filename,
DBusError *error)
{
// TODO
return TRUE;
}
#define DBUS_STANDARD_SESSION_SERVICEDIR "/dbus-1/services"
// @TODO: this function is duplicated from dbus-sysdeps-unix.c
// and differs only in the path separator, may be we should
// use a dbus path separator variable
#define _dbus_path_seperator ";"
static dbus_bool_t
split_paths_and_append (DBusString *dirs,
const char *suffix,
DBusList **dir_list)
{
int start;
int i;
int len;
char *cpath;
const DBusString file_suffix;
start = 0;
i = 0;
_dbus_string_init_const (&file_suffix, suffix);
len = _dbus_string_get_length (dirs);
while (_dbus_string_find (dirs, start, _dbus_path_seperator, &i))
{
DBusString path;
if (!_dbus_string_init (&path))
goto oom;
if (!_dbus_string_copy_len (dirs,
start,
i - start,
&path,
0))
{
_dbus_string_free (&path);
goto oom;
}
_dbus_string_chop_white (&path);
/* check for an empty path */
if (_dbus_string_get_length (&path) == 0)
goto next;
if (!_dbus_concat_dir_and_file (&path,
&file_suffix))
{
_dbus_string_free (&path);
goto oom;
}
if (!_dbus_string_copy_data(&path, &cpath))
{
_dbus_string_free (&path);
goto oom;
}
if (!_dbus_list_append (dir_list, cpath))
{
_dbus_string_free (&path);
dbus_free (cpath);
goto oom;
}
next:
_dbus_string_free (&path);
start = i + 1;
}
if (start != len)
{
DBusString path;
if (!_dbus_string_init (&path))
goto oom;
if (!_dbus_string_copy_len (dirs,
start,
len - start,
&path,
0))
{
_dbus_string_free (&path);
goto oom;
}
if (!_dbus_concat_dir_and_file (&path,
&file_suffix))
{
_dbus_string_free (&path);
goto oom;
}
if (!_dbus_string_copy_data(&path, &cpath))
{
_dbus_string_free (&path);
goto oom;
}
if (!_dbus_list_append (dir_list, cpath))
{
_dbus_string_free (&path);
dbus_free (cpath);
goto oom;
}
_dbus_string_free (&path);
}
return TRUE;
oom:
_dbus_list_foreach (dir_list, (DBusForeachFunction)dbus_free, NULL);
_dbus_list_clear (dir_list);
return FALSE;
}
/**
* Returns the standard directories for a session bus to look for service
* activation files
*
* On Windows this should be data directories:
*
* %CommonProgramFiles%/dbus
*
* and
*
* DBUS_DATADIR
*
* @param dirs the directory list we are returning
* @returns #FALSE on OOM
*/
dbus_bool_t
_dbus_get_standard_session_servicedirs (DBusList **dirs)
{
const char *common_progs;
DBusString servicedir_path;
if (!_dbus_string_init (&servicedir_path))
return FALSE;
if (!_dbus_string_append (&servicedir_path, DBUS_DATADIR";"))
goto oom;
common_progs = _dbus_getenv ("CommonProgramFiles");
if (common_progs != NULL)
{
if (!_dbus_string_append (&servicedir_path, common_progs))
goto oom;
if (!_dbus_string_append (&servicedir_path, ";"))
goto oom;
}
if (!split_paths_and_append (&servicedir_path,
DBUS_STANDARD_SESSION_SERVICEDIR,
dirs))
goto oom;
_dbus_string_free (&servicedir_path);
return TRUE;
oom:
_dbus_string_free (&servicedir_path);
return FALSE;
}
_DBUS_DEFINE_GLOBAL_LOCK (atomic);
/**
* Atomically increments an integer
*
* @param atomic pointer to the integer to increment
* @returns the value before incrementing
*
*/
dbus_int32_t
_dbus_atomic_inc (DBusAtomic *atomic)
{
// +/- 1 is needed here!
return InterlockedIncrement (&atomic->value) - 1;
}
/**
* Atomically decrement an integer
*
* @param atomic pointer to the integer to decrement
* @returns the value before decrementing
*
*/
dbus_int32_t
_dbus_atomic_dec (DBusAtomic *atomic)
{
// +/- 1 is needed here!
return InterlockedDecrement (&atomic->value) + 1;
}
#endif /* asserts or tests enabled */
/** @} end of sysdeps-win */
/* tests in dbus-sysdeps-util.c */
--- NEW FILE: dbus-sysdeps-win.h ---
/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-sysdeps.c Wrappers around system/libc features (internal to D-BUS implementation)
*
* Copyright (C) 2002, 2003 Red Hat, Inc.
* Copyright (C) 2003 CodeFactory AB
* Copyright (C) 2005 Novell, Inc.
*
* Licensed under the Academic Free License version 2.1
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef DBUS_SYSDEPS_WIN_H
#define DBUS_SYSDEPS_WIN_H
#define _WINSOCKAPI_
#include "dbus-hash.h"
#include "dbus-string.h"
#include <ctype.h>
#include <malloc.h>
#include <windows.h>
#include <aclapi.h>
#include <lm.h>
#include <io.h>
#include <share.h>
#include <direct.h>
#define mkdir(path, mode) _mkdir (path)
#ifndef DBUS_WINCE
#ifndef S_ISREG
#define S_ISREG(mode) (((mode) & S_IFMT) == S_IFREG)
#endif
#endif
/* Declarations missing in mingw's headers */
extern BOOL WINAPI ConvertStringSidToSidA (LPCSTR StringSid, PSID *Sid);
extern BOOL WINAPI ConvertSidToStringSidA (PSID Sid, LPSTR *StringSid);
#define DBUS_CONSOLE_DIR "/var/run/console/"
typedef struct
{
int fd; /* File descriptor, SOCKET or file HANDLE */
int port_file_fd; /* File descriptor for file containing
* port number for "pseudo-unix" sockets
*/
DBusString port_file; /* File name for said file */
dbus_bool_t close_on_exec;
dbus_bool_t non_blocking;
int is_used;
}
DBusSocket;
extern DBusSocket *win_fds;
extern int win32_n_fds;
void _dbus_win_startup_winsock (void);
void _dbus_win_warn_win_error (const char *message,
int code);
extern const char* _dbus_lm_strerror (int error_number);
dbus_bool_t
fill_win_user_info_from_uid (dbus_uid_t uid,
DBusUserInfo *info,
DBusError *error);
dbus_bool_t
fill_win_user_info_from_name (wchar_t *wname,
DBusUserInfo *info,
DBusError *error);
dbus_bool_t _dbus_win_account_to_sid (const wchar_t *waccount,
void **ppsid,
DBusError *error);
dbus_bool_t
_dbus_win32_sid_to_name_and_domain (dbus_uid_t uid,
wchar_t **wname,
wchar_t **wdomain,
DBusError *error);
/* Don't define DBUS_CONSOLE_DIR on Win32 */
wchar_t *_dbus_win_utf8_to_utf16 (const char *str,
DBusError *error);
char *_dbus_win_utf16_to_utf8 (const wchar_t *str,
DBusError *error);
void _dbus_win_set_error_from_win_error (DBusError *error, int code);
dbus_uid_t _dbus_win_sid_to_uid_t (void *psid);
dbus_bool_t _dbus_uid_t_to_win_sid (dbus_uid_t uid,
void **ppsid);
dbus_bool_t
_dbus_account_to_win_sid (const wchar_t *waccount,
void **ppsid,
DBusError *error);
dbus_bool_t
_dbus_win_sid_to_name_and_domain (dbus_uid_t uid,
wchar_t **wname,
wchar_t **wdomain,
DBusError *error);
typedef struct DBusFile DBusFile;
dbus_bool_t _dbus_open_file (DBusFile *file,
const char *filename,
int oflag,
int pmode);
dbus_bool_t _dbus_close_file (DBusFile *file,
DBusError *error);
int _dbus_read_file (DBusFile *file,
DBusString *buffer,
int count);
int _dbus_write_file (DBusFile *file,
const DBusString *buffer,
int start,
int len);
#define FDATA private_data
struct DBusFile
{
int FDATA;
};
void _dbus_handle_to_socket (int handle,
DBusSocket **socket);
int _dbus_socket_to_handle (DBusSocket *socket);
dbus_bool_t
fill_user_info (DBusUserInfo *info,
dbus_uid_t uid,
const DBusString *username,
DBusError *error);
// replace with a windows version
dbus_bool_t _dbus_open_unix_socket (int *fd,
DBusError *error);
int _dbus_connect_unix_socket (const char *path,
dbus_bool_t abstract,
DBusError *error);
int _dbus_listen_unix_socket (const char *path,
dbus_bool_t abstract,
DBusError *error);
#endif
/** @} end of sysdeps-win.h */
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