Decide how to handle application exit.

[nssm.git] / registry.cpp

diff --git a/registry.cpp b/registry.cpp
index 2451933..d1080ae 100644 (file)
--- a/registry.cpp
+++ b/registry.cpp
@@ -41,6 +41,41 @@ int create_parameters(char *service_name, char *exe, char *flags, char *dir) {
   return 0;\r
 }\r
 \r
+int create_exit_action(char *service_name, const char *action_string) {\r
+  /* Get registry */\r
+  char registry[MAX_PATH];\r
+  if (_snprintf(registry, sizeof(registry), NSSM_REGISTRY "\\%s", service_name, NSSM_REG_EXIT) < 0) {\r
+    eventprintf(EVENTLOG_ERROR_TYPE, "Out of memory for NSSM_REG_EXIT in create_exit_action()!");\r
+    return 1;\r
+  }\r
+\r
+  /* Try to open the registry */\r
+  HKEY key;\r
+  unsigned long disposition;\r
+  if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, registry, 0, 0, REG_OPTION_NON_VOLATILE, KEY_WRITE, 0, &key, &disposition) != ERROR_SUCCESS) {\r
+    eventprintf(EVENTLOG_ERROR_TYPE, "Can't open service exit action registry settings!");\r
+    return 2;\r
+  }\r
+\r
+  /* Do nothing if the key already existed */\r
+  if (disposition == REG_OPENED_EXISTING_KEY) {\r
+    RegCloseKey(key);\r
+    return 0;\r
+  }\r
+\r
+  /* Create the default value */\r
+  if (RegSetValueEx(key, 0, 0, REG_SZ, (const unsigned char *) action_string, strlen(action_string) + 1) != ERROR_SUCCESS) {\r
+    eventprintf(EVENTLOG_ERROR_TYPE, "Can't add default registry value %s: %s", NSSM_REG_EXIT, error_string(GetLastError()));\r
+    RegCloseKey(key);\r
+    return 3;\r
+  }\r
+\r
+  /* Close registry */\r
+  RegCloseKey(key);\r
+\r
+  return 0;\r
+}\r
+\r
 int get_parameters(char *service_name, char *exe, int exelen, char *flags, int flagslen, char *dir, int dirlen) {\r
   /* Get registry */\r
   char registry[MAX_PATH];\r
@@ -84,3 +119,41 @@ int get_parameters(char *service_name, char *exe, int exelen, char *flags, int f
 \r
   return 0;\r
 }\r
+\r
+int get_exit_action(char *service_name, unsigned long *ret, unsigned char *action) {\r
+  /* Get registry */\r
+  char registry[MAX_PATH];\r
+  if (_snprintf(registry, sizeof(registry), NSSM_REGISTRY "\\%s", service_name, NSSM_REG_EXIT) < 0) {\r
+    eventprintf(EVENTLOG_ERROR_TYPE, "Out of memory for NSSM_REG_EXIT in get_exit_action()!");\r
+    return 1;\r
+  }\r
+\r
+  /* Try to open the registry */\r
+  HKEY key;\r
+  long error = RegOpenKeyEx(HKEY_LOCAL_MACHINE, registry, 0, KEY_READ, &key);\r
+  if (error != ERROR_SUCCESS && error != ERROR_FILE_NOT_FOUND) {\r
+    eventprintf(EVENTLOG_ERROR_TYPE, "Can't open registry %s!", registry);\r
+    return 2;\r
+  }\r
+\r
+  unsigned long type = REG_SZ;\r
+  unsigned long action_len = ACTION_LEN;\r
+\r
+  char code[64];\r
+  if (! ret) code[0] = '\0';\r
+  else if (_snprintf(code, sizeof(code), "%lu", *ret) < 0) {\r
+    RegCloseKey(key);\r
+    return get_exit_action(service_name, 0, action);\r
+  }\r
+  if (RegQueryValueEx(key, code, 0, &type, action, &action_len) != ERROR_SUCCESS) {\r
+    RegCloseKey(key);\r
+    /* Try again with * as the key if an exit code was defined */\r
+    if (ret) return get_exit_action(service_name, 0, action);\r
+    return 0;\r
+  }\r
+\r
+  /* Close registry */\r
+  RegCloseKey(key);\r
+\r
+  return 0;\r
+}\r