X-Git-Url: http://git.iain.cx/?a=blobdiff_plain;f=registry.cpp;h=de3127fc9ca8428699430d4d4eacd222683d74d5;hb=32a1d0fab47a050086106aac346342c70f4d985b;hp=42c542590ad7a25ee71bd97e73fcc7dbe892b8e4;hpb=f7f20a0b3ecbb0e1a2eb59f95b50f0625b37c671;p=nssm.git

diff --git a/registry.cpp b/registry.cpp
index 42c5425..de3127f 100644
--- a/registry.cpp
+++ b/registry.cpp
@@ -457,7 +457,7 @@ void override_milliseconds(TCHAR *service_name, HKEY key, TCHAR *value, unsigned
   if (! ok) *buffer = default_value;
 }
 
-HKEY open_registry(const TCHAR *service_name, const TCHAR *sub, REGSAM sam) {
+HKEY open_registry(const TCHAR *service_name, const TCHAR *sub, REGSAM sam, bool must_exist) {
   /* Get registry */
   TCHAR registry[KEY_LENGTH];
   HKEY key;
@@ -470,14 +470,16 @@ HKEY open_registry(const TCHAR *service_name, const TCHAR *sub, REGSAM sam) {
     return 0;
   }
 
-  if (sam & KEY_WRITE) {
+  if (sam & KEY_SET_VALUE) {
     if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, registry, 0, 0, REG_OPTION_NON_VOLATILE, sam, 0, &key, 0) != ERROR_SUCCESS) {
       log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);
       return 0;
     }
   }
   else {
-    if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, registry, 0, sam, &key) != ERROR_SUCCESS) {
+    long error = RegOpenKeyEx(HKEY_LOCAL_MACHINE, registry, 0, sam, &key);
+    if (error != ERROR_SUCCESS) {
+      if (error == ERROR_FILE_NOT_FOUND && ! must_exist) return 0;
       log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);
       return 0;
     }
@@ -486,8 +488,12 @@ HKEY open_registry(const TCHAR *service_name, const TCHAR *sub, REGSAM sam) {
   return key;
 }
 
+HKEY open_registry(const TCHAR *service_name, const TCHAR *sub, REGSAM sam) {
+  return open_registry(service_name, sub, sam, true);
+}
+
 HKEY open_registry(const TCHAR *service_name, REGSAM sam) {
-  return open_registry(service_name, 0, sam);
+  return open_registry(service_name, 0, sam, true);
 }
 
 int get_io_parameters(nssm_service_t *service, HKEY key) {
@@ -525,6 +531,14 @@ int get_parameters(nssm_service_t *service, STARTUPINFO *si) {
   /* Don't expand parameters when retrieving for the GUI. */
   bool expand = si ? true : false;
 
+  /* Try to get environment variables - may fail */
+  get_environment(service->name, key, NSSM_REG_ENV, &service->env, &service->envlen);
+  /* Environment variables to add to existing rather than replace - may fail. */
+  get_environment(service->name, key, NSSM_REG_ENV_EXTRA, &service->env_extra, &service->env_extralen);
+
+  /* Set environment if we are starting the service. */
+  if (si) set_service_environment(service);
+
   /* Try to get executable file - MUST succeed */
   if (get_string(key, NSSM_REG_EXE, service->exe, sizeof(service->exe), expand, false, true)) {
     RegCloseKey(key);
@@ -579,11 +593,6 @@ int get_parameters(nssm_service_t *service, STARTUPINFO *si) {
     }
   }
 
-  /* Try to get environment variables - may fail */
-  get_environment(service->name, key, NSSM_REG_ENV, &service->env, &service->envlen);
-  /* Environment variables to add to existing rather than replace - may fail. */
-  get_environment(service->name, key, NSSM_REG_ENV_EXTRA, &service->env_extra, &service->env_extralen);
-
   /* Try to get priority - may fail. */
   unsigned long priority;
   if (get_number(key, NSSM_REG_PRIORITY, &priority, false) == 1) {
@@ -729,3 +738,57 @@ int get_exit_action(const TCHAR *service_name, unsigned long *ret, TCHAR *action
 
   return 0;
 }
+
+int set_hook(const TCHAR *service_name, const TCHAR *hook_event, const TCHAR *hook_action, TCHAR *cmd) {
+  /* Try to open the registry */
+  TCHAR registry[KEY_LENGTH];
+  if (_sntprintf_s(registry, _countof(registry), _TRUNCATE, _T("%s\\%s"), NSSM_REG_HOOK, hook_event) < 0) {
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("hook registry"), _T("set_hook()"), 0);
+    return 1;
+  }
+
+  HKEY key;
+  long error;
+
+  /* Don't create keys needlessly. */
+  if (! _tcslen(cmd)) {
+    key = open_registry(service_name, registry, KEY_READ, false);
+    if (! key) return 0;
+    error = RegQueryValueEx(key, hook_action, 0, 0, 0, 0);
+    RegCloseKey(key);
+    if (error == ERROR_FILE_NOT_FOUND) return 0;
+  }
+
+  key = open_registry(service_name, registry, KEY_WRITE);
+  if (! key) return 1;
+
+  int ret = 1;
+  if (_tcslen(cmd)) ret = set_string(key, (TCHAR *) hook_action, cmd, true);
+  else {
+    error = RegDeleteValue(key, hook_action);
+    if (error == ERROR_SUCCESS || error == ERROR_FILE_NOT_FOUND) ret = 0;
+  }
+
+  /* Close registry */
+  RegCloseKey(key);
+
+  return ret;
+}
+
+int get_hook(const TCHAR *service_name, const TCHAR *hook_event, const TCHAR *hook_action, TCHAR *buffer, unsigned long buflen) {
+  /* Try to open the registry */
+  TCHAR registry[KEY_LENGTH];
+  if (_sntprintf_s(registry, _countof(registry), _TRUNCATE, _T("%s\\%s"), NSSM_REG_HOOK, hook_event) < 0) {
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, _T("hook registry"), _T("get_hook()"), 0);
+    return 1;
+  }
+  HKEY key = open_registry(service_name, registry, KEY_READ, false);
+  if (! key) return 1;
+
+  int ret = expand_parameter(key, (TCHAR *) hook_action, buffer, buflen, true, false);
+
+  /* Close registry */
+  RegCloseKey(key);
+
+  return ret;
+}