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[nssm.git] / service.cpp

diff --git a/service.cpp b/service.cpp
index d4d023b..fcb1c5a 100644 (file)
--- a/service.cpp
+++ b/service.cpp
@@ -11,7 +11,9 @@ char exe[EXE_LENGTH];
 char flags[CMD_LENGTH];\r
 char dir[MAX_PATH];\r
 bool stopping;\r
+bool allow_restart;\r
 unsigned long throttle_delay;\r
+unsigned long stop_method;\r
 HANDLE throttle_timer;\r
 LARGE_INTEGER throttle_duetime;\r
 FILETIME creation_time;\r
@@ -103,7 +105,7 @@ int install_service(char *name, char *exe, char *flags) {
     print_message(stderr, NSSM_MESSAGE_PATH_TOO_LONG, NSSM);\r
     return 3;\r
   }\r
-  if (_snprintf(command, sizeof(command), "\"%s\"", path) < 0) {\r
+  if (_snprintf_s(command, sizeof(command), _TRUNCATE, "\"%s\"", path) < 0) {\r
     print_message(stderr, NSSM_MESSAGE_OUT_OF_MEMORY_FOR_IMAGEPATH);\r
     return 4;\r
   }\r
@@ -177,7 +179,7 @@ int remove_service(char *name) {
 \r
 /* Service initialisation */\r
 void WINAPI service_main(unsigned long argc, char **argv) {\r
-  if (_snprintf(service_name, sizeof(service_name), "%s", argv[0]) < 0) {\r
+  if (_snprintf_s(service_name, sizeof(service_name), _TRUNCATE, "%s", argv[0]) < 0) {\r
     log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, "service_name", "service_main()", 0);\r
     return;\r
   }\r
@@ -260,7 +262,7 @@ int monitor_service() {
   int ret = start_service();\r
   if (ret) {\r
     char code[16];\r
-    _snprintf(code, sizeof(code), "%d", ret);\r
+    _snprintf_s(code, sizeof(code), _TRUNCATE, "%d", ret);\r
     log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_START_SERVICE_FAILED, exe, service_name, ret, 0);\r
     return ret;\r
   }\r
@@ -298,7 +300,7 @@ void log_service_control(char *service_name, unsigned long control, bool handled
       log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, "control code", "log_service_control", 0);\r
       return;\r
     }\r
-    if (_snprintf(text, 11, "0x%08x", control) < 0) {\r
+    if (_snprintf_s(text, 11, _TRUNCATE, "0x%08x", control) < 0) {\r
       log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, "control code", "log_service_control", 0);\r
       HeapFree(GetProcessHeap(), 0, text);\r
       return;\r
@@ -358,6 +360,7 @@ unsigned long WINAPI service_control_handler(unsigned long control, unsigned lon
 /* Start the service */\r
 int start_service() {\r
   stopping = false;\r
+  allow_restart = true;\r
 \r
   if (process_handle) return 0;\r
 \r
@@ -372,7 +375,7 @@ int start_service() {
 \r
   /* Get startup parameters */\r
   char *env = 0;\r
-  int ret = get_parameters(service_name, exe, sizeof(exe), flags, sizeof(flags), dir, sizeof(dir), &env, &throttle_delay);\r
+  int ret = get_parameters(service_name, exe, sizeof(exe), flags, sizeof(flags), dir, sizeof(dir), &env, &throttle_delay, &stop_method, &si);\r
   if (ret) {\r
     log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_GET_PARAMETERS_FAILED, service_name, 0);\r
     return stop_service(2, true, true);\r
@@ -380,17 +383,21 @@ int start_service() {
 \r
   /* Launch executable with arguments */\r
   char cmd[CMD_LENGTH];\r
-  if (_snprintf(cmd, sizeof(cmd), "\"%s\" %s", exe, flags) < 0) {\r
+  if (_snprintf_s(cmd, sizeof(cmd), _TRUNCATE, "\"%s\" %s", exe, flags) < 0) {\r
     log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, "command line", "start_service", 0);\r
+    close_output_handles(&si);\r
     return stop_service(2, true, true);\r
   }\r
 \r
   throttle_restart();\r
 \r
-  if (! CreateProcess(0, cmd, 0, 0, false, 0, env, dir, &si, &pi)) {\r
+  bool inherit_handles = false;\r
+  if (si.dwFlags & STARTF_USESTDHANDLES) inherit_handles = true;\r
+  if (! CreateProcess(0, cmd, 0, 0, inherit_handles, 0, env, dir, &si, &pi)) {\r
     unsigned long error = GetLastError();\r
     if (error == ERROR_INVALID_PARAMETER && env) log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEPROCESS_FAILED_INVALID_ENVIRONMENT, service_name, exe, NSSM_REG_ENV, 0);\r
     else log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEPROCESS_FAILED, service_name, exe, error_string(error), 0);\r
+    close_output_handles(&si);\r
     return stop_service(3, true, true);\r
   }\r
   process_handle = pi.hProcess;\r
@@ -398,18 +405,23 @@ int start_service() {
 \r
   if (get_process_creation_time(process_handle, &creation_time)) ZeroMemory(&creation_time, sizeof(creation_time));\r
 \r
-  /* Signal successful start */\r
-  service_status.dwCurrentState = SERVICE_RUNNING;\r
-  SetServiceStatus(service_handle, &service_status);\r
+  close_output_handles(&si);\r
 \r
   /* Wait for a clean startup. */\r
   if (WaitForSingleObject(process_handle, throttle_delay) == WAIT_TIMEOUT) throttle = 0;\r
 \r
+  /* Signal successful start */\r
+  service_status.dwCurrentState = SERVICE_RUNNING;\r
+  SetServiceStatus(service_handle, &service_status);\r
+\r
   return 0;\r
 }\r
 \r
 /* Stop the service */\r
 int stop_service(unsigned long exitcode, bool graceful, bool default_action) {\r
+  allow_restart = false;\r
+  if (wait_handle) UnregisterWait(wait_handle);\r
+\r
   if (default_action && ! exitcode && ! graceful) {\r
     log_event(EVENTLOG_INFORMATION_TYPE, NSSM_EVENT_GRACEFUL_SUICIDE, service_name, exe, exit_action_strings[NSSM_EXIT_UNCLEAN], exit_action_strings[NSSM_EXIT_UNCLEAN], exit_action_strings[NSSM_EXIT_UNCLEAN], exit_action_strings[NSSM_EXIT_REALLY] ,0);\r
     graceful = true;\r
@@ -426,7 +438,7 @@ int stop_service(unsigned long exitcode, bool graceful, bool default_action) {
   if (pid) {\r
     /* Shut down service */\r
     log_event(EVENTLOG_INFORMATION_TYPE, NSSM_EVENT_TERMINATEPROCESS, service_name, exe, 0);\r
-    kill_process(service_name, process_handle, pid, 0);\r
+    kill_process(service_name, stop_method, process_handle, pid, 0);\r
   }\r
   else log_event(EVENTLOG_INFORMATION_TYPE, NSSM_EVENT_PROCESS_ALREADY_STOPPED, service_name, exe, 0);\r
 \r
@@ -470,12 +482,12 @@ void CALLBACK end_service(void *arg, unsigned char why) {
     tree.  See below for the possible values of the why argument.\r
   */\r
   if (! why) {\r
-    _snprintf(code, sizeof(code), "%d", exitcode);\r
+    _snprintf_s(code, sizeof(code), _TRUNCATE, "%d", exitcode);\r
     log_event(EVENTLOG_INFORMATION_TYPE, NSSM_EVENT_ENDED_SERVICE, exe, service_name, code, 0);\r
   }\r
 \r
   /* Clean up. */\r
-  kill_process_tree(service_name, pid, exitcode, pid, &creation_time, &exit_time);\r
+  kill_process_tree(service_name, stop_method, pid, exitcode, pid, &creation_time, &exit_time);\r
 \r
   /*\r
     The why argument is true if our wait timed out or false otherwise.\r
@@ -484,6 +496,7 @@ void CALLBACK end_service(void *arg, unsigned char why) {
     this is a controlled shutdown, and don't take any restart action.\r
   */\r
   if (why) return;\r
+  if (! allow_restart) return;\r
 \r
   /* What action should we take? */\r
   int action = NSSM_EXIT_RESTART;\r
@@ -525,7 +538,9 @@ void CALLBACK end_service(void *arg, unsigned char why) {
     /* Fake a crash so pre-Vista service managers will run recovery actions. */\r
     case NSSM_EXIT_UNCLEAN:\r
       log_event(EVENTLOG_INFORMATION_TYPE, NSSM_EVENT_EXIT_UNCLEAN, service_name, code, exit_action_strings[action], 0);\r
-      exit(stop_service(exitcode, false, default_action));\r
+      stop_service(exitcode, false, default_action);\r
+      free_imports();\r
+      exit(exitcode);\r
     break;\r
   }\r
 }\r
@@ -539,8 +554,8 @@ void throttle_restart() {
   if (throttle > 7) throttle = 8;\r
 \r
   char threshold[8], milliseconds[8];\r
-  _snprintf(threshold, sizeof(threshold), "%d", throttle_delay);\r
-  _snprintf(milliseconds, sizeof(milliseconds), "%d", ms);\r
+  _snprintf_s(threshold, sizeof(threshold), _TRUNCATE, "%d", throttle_delay);\r
+  _snprintf_s(milliseconds, sizeof(milliseconds), _TRUNCATE, "%d", ms);\r
   log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_THROTTLED, service_name, threshold, milliseconds, 0);\r
 \r
   if (throttle_timer) {\r