Skip blank lines in format_double_null().

[nssm.git] / io.cpp

diff --git a/io.cpp b/io.cpp
index 464e290..cf30cd4 100644 (file)
--- a/io.cpp
+++ b/io.cpp
@@ -230,21 +230,23 @@ void rotate_file(TCHAR *service_name, TCHAR *path, unsigned long seconds, unsign
   return;\r
 }\r
 \r
-int get_output_handles(nssm_service_t *service, HKEY key, STARTUPINFO *si) {\r
-  bool set_flags = false;\r
+int get_output_handles(nssm_service_t *service, STARTUPINFO *si) {\r
+  if (! si) return 1;\r
 \r
-  /* Standard security attributes allowing inheritance. */\r
-  SECURITY_ATTRIBUTES attributes;\r
-  ZeroMemory(&attributes, sizeof(attributes));\r
-  attributes.bInheritHandle = true;\r
+  /* Allocate a new console so we get a fresh stdin, stdout and stderr. */\r
+  alloc_console(service);\r
 \r
-  /* stdout */\r
-  if (get_createfile_parameters(key, NSSM_REG_STDOUT, service->stdout_path, &service->stdout_sharing, NSSM_STDOUT_SHARING, &service->stdout_disposition, NSSM_STDOUT_DISPOSITION, &service->stdout_flags, NSSM_STDOUT_FLAGS)) {\r
-    service->stdout_sharing = service->stdout_disposition = service->stdout_flags = 0;\r
-    ZeroMemory(service->stdout_path, _countof(service->stdout_path) * sizeof(TCHAR));\r
-    return 3;\r
+  /* stdin */\r
+  if (service->stdin_path[0]) {\r
+    si->hStdInput = CreateFile(service->stdin_path, FILE_READ_DATA, service->stdin_sharing, 0, service->stdin_disposition, service->stdin_flags, 0);\r
+    if (! si->hStdInput) {\r
+      log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEFILE_FAILED, service->stdin_path, error_string(GetLastError()), 0);\r
+      return 2;\r
+    }\r
   }\r
-  if (si && service->stdout_path[0]) {\r
+\r
+  /* stdout */\r
+  if (service->stdout_path[0]) {\r
     if (service->rotate_files) rotate_file(service->name, service->stdout_path, service->rotate_seconds, service->rotate_bytes_low, service->rotate_bytes_high);\r
     HANDLE stdout_handle = write_to_file(service->stdout_path, service->stdout_sharing, 0, service->stdout_disposition, service->stdout_flags);\r
     if (! stdout_handle) return 4;\r
@@ -266,16 +268,9 @@ int get_output_handles(nssm_service_t *service, HKEY key, STARTUPINFO *si) {
       }\r
       service->rotate_stdout_online = NSSM_ROTATE_OFFLINE;\r
     }\r
-\r
-    set_flags = true;\r
   }\r
 \r
   /* stderr */\r
-  if (get_createfile_parameters(key, NSSM_REG_STDERR, service->stderr_path, &service->stderr_sharing, NSSM_STDERR_SHARING, &service->stderr_disposition, NSSM_STDERR_DISPOSITION, &service->stderr_flags, NSSM_STDERR_FLAGS)) {\r
-    service->stderr_sharing = service->stderr_disposition = service->stderr_flags = 0;\r
-    ZeroMemory(service->stderr_path, _countof(service->stderr_path) * sizeof(TCHAR));\r
-    return 5;\r
-  }\r
   if (service->stderr_path[0]) {\r
     /* Same as stdout? */\r
     if (str_equiv(service->stderr_path, service->stdout_path)) {\r
@@ -284,15 +279,13 @@ int get_output_handles(nssm_service_t *service, HKEY key, STARTUPINFO *si) {
       service->stderr_flags = service->stdout_flags;\r
       service->rotate_stderr_online = NSSM_ROTATE_OFFLINE;\r
 \r
-      if (si) {\r
-        /* Two handles to the same file will create a race. */\r
-        if (! DuplicateHandle(GetCurrentProcess(), si->hStdOutput, GetCurrentProcess(), &si->hStdError, 0, true, DUPLICATE_SAME_ACCESS)) {\r
-          log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_DUPLICATEHANDLE_FAILED, NSSM_REG_STDOUT, _T("stderr"), error_string(GetLastError()), 0);\r
-          return 6;\r
-        }\r
+      /* Two handles to the same file will create a race. */\r
+      if (! DuplicateHandle(GetCurrentProcess(), si->hStdOutput, GetCurrentProcess(), &si->hStdError, 0, true, DUPLICATE_SAME_ACCESS)) {\r
+        log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_DUPLICATEHANDLE_FAILED, NSSM_REG_STDOUT, _T("stderr"), error_string(GetLastError()), 0);\r
+        return 6;\r
       }\r
     }\r
-    else if (si) {\r
+    else {\r
       if (service->rotate_files) rotate_file(service->name, service->stderr_path, service->rotate_seconds, service->rotate_bytes_low, service->rotate_bytes_high);\r
       HANDLE stderr_handle = write_to_file(service->stderr_path, service->stderr_sharing, 0, service->stderr_disposition, service->stderr_flags);\r
       if (! stderr_handle) return 7;\r
@@ -314,62 +307,36 @@ int get_output_handles(nssm_service_t *service, HKEY key, STARTUPINFO *si) {
         }\r
         service->rotate_stderr_online = NSSM_ROTATE_OFFLINE;\r
       }\r
-\r
-      set_flags = true;\r
-    }\r
-  }\r
-\r
-  /* stdin */\r
-  if (get_createfile_parameters(key, NSSM_REG_STDIN, service->stdin_path, &service->stdin_sharing, NSSM_STDIN_SHARING, &service->stdin_disposition, NSSM_STDIN_DISPOSITION, &service->stdin_flags, NSSM_STDIN_FLAGS)) {\r
-    service->stdin_sharing = service->stdin_disposition = service->stdin_flags = 0;\r
-    ZeroMemory(service->stdin_path, _countof(service->stdin_path) * sizeof(TCHAR));\r
-    return 1;\r
-  }\r
-  if (si && service->stdin_path[0]) {\r
-    if (str_equiv(service->stdin_path, _T("|"))) {\r
-      /* Fake stdin with a pipe. */\r
-      if (set_flags) {\r
-        /*\r
-          None of this is necessary if we aren't redirecting stdout and/or\r
-          stderr as well.\r
-\r
-          If we don't redirect any handles the application will start and be\r
-          quite happy with its console.  If we start it with\r
-          STARTF_USESTDHANDLES set it will interpret a NULL value for\r
-          hStdInput as meaning no input.  Because the service starts with\r
-          no stdin we can't just pass GetStdHandle(STD_INPUT_HANDLE) to\r
-          the application.\r
-\r
-          The only way we can successfully redirect the application's output\r
-          while preventing programs which exit after reading all input from\r
-          exiting prematurely is to create a pipe between ourselves and the\r
-          application but write nothing to it.\r
-        */\r
-        if (! CreatePipe(&si->hStdInput, &service->stdin_pipe, 0, 0)) {\r
-          log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_STDIN_CREATEPIPE_FAILED, service->name, error_string(GetLastError()), 0);\r
-          return 2;\r
-        }\r
-        SetHandleInformation(si->hStdInput, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT);\r
-      }\r
-    }\r
-    else {\r
-      si->hStdInput = CreateFile(service->stdin_path, FILE_READ_DATA, service->stdin_sharing, &attributes, service->stdin_disposition, service->stdin_flags, 0);\r
-      if (! si->hStdInput) {\r
-        log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_CREATEFILE_FAILED, service->stdin_path, error_string(GetLastError()), 0);\r
-        return 2;\r
-      }\r
-\r
-      set_flags = true;\r
     }\r
   }\r
 \r
-  if (! set_flags) return 0;\r
-\r
   /*\r
     We need to set the startup_info flags to make the new handles\r
     inheritable by the new process.\r
   */\r
-  if (si) si->dwFlags |= STARTF_USESTDHANDLES;\r
+  si->dwFlags |= STARTF_USESTDHANDLES;\r
+\r
+  if (service->no_console) return 0;\r
+\r
+  /* Redirect other handles. */\r
+  if (! si->hStdInput) {\r
+    if (! DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_INPUT_HANDLE), GetCurrentProcess(), &si->hStdInput, 0, true, DUPLICATE_SAME_ACCESS)) {\r
+      log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_DUPLICATEHANDLE_FAILED, _T("STD_INPUT_HANDLE"), _T("stdin"), error_string(GetLastError()), 0);\r
+      return 8;\r
+    }\r
+  }\r
+  if (! si->hStdOutput) {\r
+    if (! DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_OUTPUT_HANDLE), GetCurrentProcess(), &si->hStdOutput, 0, true, DUPLICATE_SAME_ACCESS)) {\r
+      log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_DUPLICATEHANDLE_FAILED, _T("STD_OUTPUT_HANDLE"), _T("stdout"), error_string(GetLastError()), 0);\r
+      return 9;\r
+    }\r
+  }\r
+  if (! si->hStdError)  {\r
+    if (! DuplicateHandle(GetCurrentProcess(), GetStdHandle(STD_ERROR_HANDLE), GetCurrentProcess(), &si->hStdError, 0, true, DUPLICATE_SAME_ACCESS)) {\r
+      log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_DUPLICATEHANDLE_FAILED, _T("STD_ERROR_HANDLE"), _T("stderr"), error_string(GetLastError()), 0);\r
+      return 10;\r
+    }\r
+  }\r
 \r
   return 0;\r
 }\r