Michael Roth | bc62fa0 | 2012-01-21 16:42:27 -0600 | [diff] [blame] | 1 | /* |
| 2 | * QEMU Guest Agent helpers for win32 service management |
| 3 | * |
| 4 | * Copyright IBM Corp. 2012 |
| 5 | * |
| 6 | * Authors: |
| 7 | * Gal Hammer <ghammer@redhat.com> |
| 8 | * Michael Roth <mdroth@linux.vnet.ibm.com> |
| 9 | * |
| 10 | * This work is licensed under the terms of the GNU GPL, version 2 or later. |
| 11 | * See the COPYING file in the top-level directory. |
| 12 | */ |
| 13 | #include <stdlib.h> |
| 14 | #include <stdio.h> |
| 15 | #include <glib.h> |
| 16 | #include <windows.h> |
| 17 | #include "qga/service-win32.h" |
| 18 | |
| 19 | static int printf_win_error(const char *text) |
| 20 | { |
| 21 | DWORD err = GetLastError(); |
| 22 | char *message; |
| 23 | int n; |
| 24 | |
| 25 | FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | |
| 26 | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, |
| 27 | NULL, |
| 28 | err, |
| 29 | MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
| 30 | (char *)&message, 0, |
| 31 | NULL); |
| 32 | n = printf("%s. (Error: %d) %s", text, err, message); |
| 33 | LocalFree(message); |
| 34 | |
| 35 | return n; |
| 36 | } |
| 37 | |
| 38 | int ga_install_service(const char *path, const char *logfile) |
| 39 | { |
| 40 | SC_HANDLE manager; |
| 41 | SC_HANDLE service; |
| 42 | TCHAR cmdline[MAX_PATH]; |
| 43 | |
| 44 | if (GetModuleFileName(NULL, cmdline, MAX_PATH) == 0) { |
| 45 | printf_win_error("No full path to service's executable"); |
| 46 | return EXIT_FAILURE; |
| 47 | } |
| 48 | |
| 49 | _snprintf(cmdline, MAX_PATH - strlen(cmdline), "%s -d", cmdline); |
| 50 | |
| 51 | if (path) { |
| 52 | _snprintf(cmdline, MAX_PATH - strlen(cmdline), "%s -p %s", cmdline, path); |
| 53 | } |
| 54 | if (logfile) { |
| 55 | _snprintf(cmdline, MAX_PATH - strlen(cmdline), "%s -l %s -v", |
| 56 | cmdline, logfile); |
| 57 | } |
| 58 | |
| 59 | g_debug("service's cmdline: %s", cmdline); |
| 60 | |
| 61 | manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS); |
| 62 | if (manager == NULL) { |
| 63 | printf_win_error("No handle to service control manager"); |
| 64 | return EXIT_FAILURE; |
| 65 | } |
| 66 | |
| 67 | service = CreateService(manager, QGA_SERVICE_NAME, QGA_SERVICE_DISPLAY_NAME, |
| 68 | SERVICE_ALL_ACCESS, SERVICE_WIN32_OWN_PROCESS, SERVICE_AUTO_START, |
| 69 | SERVICE_ERROR_NORMAL, cmdline, NULL, NULL, NULL, NULL, NULL); |
| 70 | |
| 71 | if (service) { |
| 72 | SERVICE_DESCRIPTION desc = { (char *)QGA_SERVICE_DESCRIPTION }; |
| 73 | ChangeServiceConfig2(service, SERVICE_CONFIG_DESCRIPTION, &desc); |
| 74 | |
| 75 | printf("Service was installed successfully.\n"); |
| 76 | } else { |
| 77 | printf_win_error("Failed to install service"); |
| 78 | } |
| 79 | |
| 80 | CloseServiceHandle(service); |
| 81 | CloseServiceHandle(manager); |
| 82 | |
| 83 | return (service == NULL); |
| 84 | } |
| 85 | |
| 86 | int ga_uninstall_service(void) |
| 87 | { |
| 88 | SC_HANDLE manager; |
| 89 | SC_HANDLE service; |
| 90 | |
| 91 | manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS); |
| 92 | if (manager == NULL) { |
| 93 | printf_win_error("No handle to service control manager"); |
| 94 | return EXIT_FAILURE; |
| 95 | } |
| 96 | |
| 97 | service = OpenService(manager, QGA_SERVICE_NAME, DELETE); |
| 98 | if (service == NULL) { |
| 99 | printf_win_error("No handle to service"); |
| 100 | CloseServiceHandle(manager); |
| 101 | return EXIT_FAILURE; |
| 102 | } |
| 103 | |
| 104 | if (DeleteService(service) == FALSE) { |
| 105 | printf_win_error("Failed to delete service"); |
| 106 | } else { |
| 107 | printf("Service was deleted successfully.\n"); |
| 108 | } |
| 109 | |
| 110 | CloseServiceHandle(service); |
| 111 | CloseServiceHandle(manager); |
| 112 | |
| 113 | return EXIT_SUCCESS; |
| 114 | } |