bc62fa039c
This allows qemu-ga to function as a Windows service:
- to install the service (will auto-start on boot):
qemu-ga --service install
- to start the service:
net start qemu-ga
- to stop the service:
net stop qemu-ga
- to uninstall service:
qemu-ga --service uninstall
Original patch by Gal Hammer <ghammer@redhat.com>
115 lines
3.0 KiB
C
115 lines
3.0 KiB
C
/*
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* QEMU Guest Agent helpers for win32 service management
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*
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* Copyright IBM Corp. 2012
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*
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* Authors:
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* Gal Hammer <ghammer@redhat.com>
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* Michael Roth <mdroth@linux.vnet.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <glib.h>
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#include <windows.h>
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#include "qga/service-win32.h"
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static int printf_win_error(const char *text)
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{
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DWORD err = GetLastError();
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char *message;
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int n;
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FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
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FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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err,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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(char *)&message, 0,
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NULL);
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n = printf("%s. (Error: %d) %s", text, err, message);
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LocalFree(message);
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return n;
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}
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int ga_install_service(const char *path, const char *logfile)
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{
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SC_HANDLE manager;
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SC_HANDLE service;
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TCHAR cmdline[MAX_PATH];
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if (GetModuleFileName(NULL, cmdline, MAX_PATH) == 0) {
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printf_win_error("No full path to service's executable");
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return EXIT_FAILURE;
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}
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_snprintf(cmdline, MAX_PATH - strlen(cmdline), "%s -d", cmdline);
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if (path) {
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_snprintf(cmdline, MAX_PATH - strlen(cmdline), "%s -p %s", cmdline, path);
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}
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if (logfile) {
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_snprintf(cmdline, MAX_PATH - strlen(cmdline), "%s -l %s -v",
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cmdline, logfile);
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}
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g_debug("service's cmdline: %s", cmdline);
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manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
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if (manager == NULL) {
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printf_win_error("No handle to service control manager");
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return EXIT_FAILURE;
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}
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service = CreateService(manager, QGA_SERVICE_NAME, QGA_SERVICE_DISPLAY_NAME,
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SERVICE_ALL_ACCESS, SERVICE_WIN32_OWN_PROCESS, SERVICE_AUTO_START,
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SERVICE_ERROR_NORMAL, cmdline, NULL, NULL, NULL, NULL, NULL);
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if (service) {
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SERVICE_DESCRIPTION desc = { (char *)QGA_SERVICE_DESCRIPTION };
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ChangeServiceConfig2(service, SERVICE_CONFIG_DESCRIPTION, &desc);
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printf("Service was installed successfully.\n");
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} else {
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printf_win_error("Failed to install service");
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}
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CloseServiceHandle(service);
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CloseServiceHandle(manager);
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return (service == NULL);
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}
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int ga_uninstall_service(void)
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{
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SC_HANDLE manager;
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SC_HANDLE service;
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manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
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if (manager == NULL) {
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printf_win_error("No handle to service control manager");
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return EXIT_FAILURE;
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}
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service = OpenService(manager, QGA_SERVICE_NAME, DELETE);
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if (service == NULL) {
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printf_win_error("No handle to service");
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CloseServiceHandle(manager);
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return EXIT_FAILURE;
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}
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if (DeleteService(service) == FALSE) {
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printf_win_error("Failed to delete service");
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} else {
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printf("Service was deleted successfully.\n");
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}
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CloseServiceHandle(service);
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CloseServiceHandle(manager);
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return EXIT_SUCCESS;
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}
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