mirror of
https://github.com/qemu/qemu.git
synced 2024-12-03 16:53:53 +08:00
36a2c2d6d3
Remove glib.h includes, as it is provided by osdep.h. This commit was created with scripts/clean-includes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Eric Blake <eblake@redhat.com> Tested-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
191 lines
5.5 KiB
C
191 lines
5.5 KiB
C
/*
|
|
* QEMU Guest Agent helpers for win32 service management
|
|
*
|
|
* Copyright IBM Corp. 2012
|
|
*
|
|
* Authors:
|
|
* Gal Hammer <ghammer@redhat.com>
|
|
* Michael Roth <mdroth@linux.vnet.ibm.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
* See the COPYING file in the top-level directory.
|
|
*/
|
|
#include "qemu/osdep.h"
|
|
#include <windows.h>
|
|
#include "qga/service-win32.h"
|
|
|
|
static int printf_win_error(const char *text)
|
|
{
|
|
DWORD err = GetLastError();
|
|
char *message;
|
|
int n;
|
|
|
|
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
|
|
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
|
|
NULL,
|
|
err,
|
|
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
|
|
(char *)&message, 0,
|
|
NULL);
|
|
n = fprintf(stderr, "%s. (Error: %d) %s", text, (int)err, message);
|
|
LocalFree(message);
|
|
|
|
return n;
|
|
}
|
|
|
|
/* Windows command line escaping. Based on
|
|
* <http://blogs.msdn.com/b/oldnewthing/archive/2010/09/17/10063629.aspx> and
|
|
* <http://msdn.microsoft.com/en-us/library/windows/desktop/17w5ykft%28v=vs.85%29.aspx>.
|
|
*
|
|
* The caller is responsible for initializing @buffer; prior contents are lost.
|
|
*/
|
|
static const char *win_escape_arg(const char *to_escape, GString *buffer)
|
|
{
|
|
size_t backslash_count;
|
|
const char *c;
|
|
|
|
/* open with a double quote */
|
|
g_string_assign(buffer, "\"");
|
|
|
|
backslash_count = 0;
|
|
for (c = to_escape; *c != '\0'; ++c) {
|
|
switch (*c) {
|
|
case '\\':
|
|
/* The meaning depends on the first non-backslash character coming
|
|
* up.
|
|
*/
|
|
++backslash_count;
|
|
break;
|
|
|
|
case '"':
|
|
/* We must escape each pending backslash, then escape the double
|
|
* quote. This creates a case of "odd number of backslashes [...]
|
|
* followed by a double quotation mark".
|
|
*/
|
|
while (backslash_count) {
|
|
--backslash_count;
|
|
g_string_append(buffer, "\\\\");
|
|
}
|
|
g_string_append(buffer, "\\\"");
|
|
break;
|
|
|
|
default:
|
|
/* Any pending backslashes are without special meaning, flush them.
|
|
* "Backslashes are interpreted literally, unless they immediately
|
|
* precede a double quotation mark."
|
|
*/
|
|
while (backslash_count) {
|
|
--backslash_count;
|
|
g_string_append_c(buffer, '\\');
|
|
}
|
|
g_string_append_c(buffer, *c);
|
|
}
|
|
}
|
|
|
|
/* We're about to close with a double quote in string delimiter role.
|
|
* Double all pending backslashes, creating a case of "even number of
|
|
* backslashes [...] followed by a double quotation mark".
|
|
*/
|
|
while (backslash_count) {
|
|
--backslash_count;
|
|
g_string_append(buffer, "\\\\");
|
|
}
|
|
g_string_append_c(buffer, '"');
|
|
|
|
return buffer->str;
|
|
}
|
|
|
|
int ga_install_service(const char *path, const char *logfile,
|
|
const char *state_dir)
|
|
{
|
|
int ret = EXIT_FAILURE;
|
|
SC_HANDLE manager;
|
|
SC_HANDLE service;
|
|
TCHAR module_fname[MAX_PATH];
|
|
GString *esc;
|
|
GString *cmdline;
|
|
SERVICE_DESCRIPTION desc = { (char *)QGA_SERVICE_DESCRIPTION };
|
|
|
|
if (GetModuleFileName(NULL, module_fname, MAX_PATH) == 0) {
|
|
printf_win_error("No full path to service's executable");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
esc = g_string_new("");
|
|
cmdline = g_string_new("");
|
|
|
|
g_string_append_printf(cmdline, "%s -d",
|
|
win_escape_arg(module_fname, esc));
|
|
|
|
if (path) {
|
|
g_string_append_printf(cmdline, " -p %s", win_escape_arg(path, esc));
|
|
}
|
|
if (logfile) {
|
|
g_string_append_printf(cmdline, " -l %s -v",
|
|
win_escape_arg(logfile, esc));
|
|
}
|
|
if (state_dir) {
|
|
g_string_append_printf(cmdline, " -t %s",
|
|
win_escape_arg(state_dir, esc));
|
|
}
|
|
|
|
g_debug("service's cmdline: %s", cmdline->str);
|
|
|
|
manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
|
|
if (manager == NULL) {
|
|
printf_win_error("No handle to service control manager");
|
|
goto out_strings;
|
|
}
|
|
|
|
service = CreateService(manager, QGA_SERVICE_NAME, QGA_SERVICE_DISPLAY_NAME,
|
|
SERVICE_ALL_ACCESS, SERVICE_WIN32_OWN_PROCESS, SERVICE_AUTO_START,
|
|
SERVICE_ERROR_NORMAL, cmdline->str, NULL, NULL, NULL, NULL, NULL);
|
|
if (service == NULL) {
|
|
printf_win_error("Failed to install service");
|
|
goto out_manager;
|
|
}
|
|
|
|
ChangeServiceConfig2(service, SERVICE_CONFIG_DESCRIPTION, &desc);
|
|
fprintf(stderr, "Service was installed successfully.\n");
|
|
ret = EXIT_SUCCESS;
|
|
CloseServiceHandle(service);
|
|
|
|
out_manager:
|
|
CloseServiceHandle(manager);
|
|
|
|
out_strings:
|
|
g_string_free(cmdline, TRUE);
|
|
g_string_free(esc, TRUE);
|
|
return ret;
|
|
}
|
|
|
|
int ga_uninstall_service(void)
|
|
{
|
|
SC_HANDLE manager;
|
|
SC_HANDLE service;
|
|
|
|
manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
|
|
if (manager == NULL) {
|
|
printf_win_error("No handle to service control manager");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
service = OpenService(manager, QGA_SERVICE_NAME, DELETE);
|
|
if (service == NULL) {
|
|
printf_win_error("No handle to service");
|
|
CloseServiceHandle(manager);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if (DeleteService(service) == FALSE) {
|
|
printf_win_error("Failed to delete service");
|
|
} else {
|
|
fprintf(stderr, "Service was deleted successfully.\n");
|
|
}
|
|
|
|
CloseServiceHandle(service);
|
|
CloseServiceHandle(manager);
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|