X-Git-Url: http://git.iain.cx/?a=blobdiff_plain;f=registry.cpp;h=5172c50e91750fc26d66a5c201a785102281f8a4;hb=530bd80072effe809a6d3a2fc5fd847e51342021;hp=29b4ed2926c0a4d4c82123c0834869320fc99b12;hpb=f9a99d7e21e6df478d81c89176e338db4155ed33;p=nssm.git

diff --git a/registry.cpp b/registry.cpp
index 29b4ed2..5172c50 100644
--- a/registry.cpp
+++ b/registry.cpp
@@ -10,7 +10,7 @@ int create_messages() {
   }
 
   if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, registry, 0, 0, REG_OPTION_NON_VOLATILE, KEY_WRITE, 0, &key, 0) != ERROR_SUCCESS) {
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, GetLastError(), 0);
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);
     return 2;
   }
 
@@ -37,25 +37,25 @@ int create_parameters(char *service_name, char *exe, char *flags, char *dir) {
   /* Try to open the registry */
   HKEY key;
   if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, registry, 0, 0, REG_OPTION_NON_VOLATILE, KEY_WRITE, 0, &key, 0) != ERROR_SUCCESS) {
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, GetLastError(), 0);
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);
     return 2;
   }
 
   /* Try to create the parameters */
   if (RegSetValueEx(key, NSSM_REG_EXE, 0, REG_EXPAND_SZ, (const unsigned char *) exe, strlen(exe) + 1) != ERROR_SUCCESS) {
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_EXE, GetLastError(), 0);
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_EXE, error_string(GetLastError()), 0);
     RegDeleteKey(HKEY_LOCAL_MACHINE, NSSM_REGISTRY);
     RegCloseKey(key);
     return 3;
   }
   if (RegSetValueEx(key, NSSM_REG_FLAGS, 0, REG_EXPAND_SZ, (const unsigned char *) flags, strlen(flags) + 1) != ERROR_SUCCESS) {
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_FLAGS, GetLastError(), 0);
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_FLAGS, error_string(GetLastError()), 0);
     RegDeleteKey(HKEY_LOCAL_MACHINE, NSSM_REGISTRY);
     RegCloseKey(key);
     return 4;
   }
   if (RegSetValueEx(key, NSSM_REG_DIR, 0, REG_EXPAND_SZ, (const unsigned char *) dir, strlen(dir) + 1) != ERROR_SUCCESS) {
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_DIR, GetLastError(), 0);
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_DIR, error_string(GetLastError()), 0);
     RegDeleteKey(HKEY_LOCAL_MACHINE, NSSM_REGISTRY);
     RegCloseKey(key);
     return 5;
@@ -79,7 +79,7 @@ int create_exit_action(char *service_name, const char *action_string) {
   HKEY key;
   unsigned long disposition;
   if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, registry, 0, 0, REG_OPTION_NON_VOLATILE, KEY_WRITE, 0, &key, &disposition) != ERROR_SUCCESS) {
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, GetLastError(), 0);
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);
     return 2;
   }
 
@@ -91,7 +91,7 @@ int create_exit_action(char *service_name, const char *action_string) {
 
   /* Create the default value */
   if (RegSetValueEx(key, 0, 0, REG_SZ, (const unsigned char *) action_string, strlen(action_string) + 1) != ERROR_SUCCESS) {
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_EXIT, GetLastError(), 0);
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_SETVALUE_FAILED, NSSM_REG_EXIT, error_string(GetLastError()), 0);
     RegCloseKey(key);
     return 3;
   }
@@ -102,7 +102,46 @@ int create_exit_action(char *service_name, const char *action_string) {
   return 0;
 }
 
-int expand_parameter(HKEY key, char *value, char *data, unsigned long datalen) {
+int set_environment(char *service_name, HKEY key, char **env) {
+  unsigned long type = REG_MULTI_SZ;
+  unsigned long envlen = 0;
+
+  /* Dummy test to find buffer size */
+  unsigned long ret = RegQueryValueEx(key, NSSM_REG_ENV, 0, &type, NULL, &envlen);
+  if (ret != ERROR_SUCCESS) {
+    /* The service probably doesn't have any environment configured */
+    if (ret == ERROR_FILE_NOT_FOUND) return 0;
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, NSSM_REG_ENV, error_string(GetLastError()), 0);
+    return 1;
+  }
+
+  if (type != REG_MULTI_SZ) {
+    log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_INVALID_ENVIRONMENT_STRING_TYPE, NSSM_REG_ENV, service_name, 0);
+    return 2;
+  }
+
+  /* Probably not possible */
+  if (! envlen) return 0;
+
+  *env = (char *) HeapAlloc(GetProcessHeap(), 0, envlen);
+  if (! *env) {
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, "environment registry", "set_environment()", 0);
+    return 3;
+  }
+
+  /* Actually get the strings */
+  ret = RegQueryValueEx(key, NSSM_REG_ENV, 0, &type, (unsigned char *) *env, &envlen);
+  if (ret != ERROR_SUCCESS) {
+    HeapFree(GetProcessHeap(), 0, *env);
+    *env = 0;
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, NSSM_REG_ENV, error_string(GetLastError()), 0);
+    return 4;
+  }
+
+  return 0;
+}
+
+int expand_parameter(HKEY key, char *value, char *data, unsigned long datalen, bool sanitise) {
   unsigned char *buffer = (unsigned char *) HeapAlloc(GetProcessHeap(), 0, datalen);
   if (! buffer) {
     log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OUT_OF_MEMORY, value, "expand_parameter()", 0);
@@ -112,23 +151,28 @@ int expand_parameter(HKEY key, char *value, char *data, unsigned long datalen) {
   unsigned long type = REG_EXPAND_SZ;
   unsigned long buflen = datalen;
 
-  if (RegQueryValueEx(key, value, 0, &type, buffer, &buflen) != ERROR_SUCCESS) {
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, value, GetLastError(), 0);
+  unsigned long ret = RegQueryValueEx(key, value, 0, &type, buffer, &buflen);
+  if (ret != ERROR_SUCCESS) {
+    if (ret != ERROR_FILE_NOT_FOUND) log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, value, error_string(GetLastError()), 0);
     HeapFree(GetProcessHeap(), 0, buffer);
     return 2;
   }
 
+  /* Paths aren't allowed to contain quotes. */
+  if (sanitise) PathUnquoteSpaces((LPSTR) buffer);
+
   ZeroMemory(data, datalen);
 
   /* Technically we shouldn't expand environment strings from REG_SZ values */
   if (type != REG_EXPAND_SZ) {
     memmove(data, buffer, buflen);
+    HeapFree(GetProcessHeap(), 0, buffer);
     return 0;
   }
 
-  unsigned long ret = ExpandEnvironmentStrings((char *) buffer, data, datalen);
+  ret = ExpandEnvironmentStrings((char *) buffer, data, datalen);
   if (! ret || ret > datalen) {
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_EXPANDENVIRONMENTSTRINGS_FAILED, value, buffer, GetLastError(), 0);
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_EXPANDENVIRONMENTSTRINGS_FAILED, buffer, error_string(GetLastError()), 0);
     HeapFree(GetProcessHeap(), 0, buffer);
     return 3;
   }
@@ -137,7 +181,9 @@ int expand_parameter(HKEY key, char *value, char *data, unsigned long datalen) {
   return 0;
 }
 
-int get_parameters(char *service_name, char *exe, int exelen, char *flags, int flagslen, char *dir, int dirlen) {
+int get_parameters(char *service_name, char *exe, int exelen, char *flags, int flagslen, char *dir, int dirlen, char **env, unsigned long *throttle_delay) {
+  unsigned long ret;
+
   /* Get registry */
   char registry[KEY_LENGTH];
   if (_snprintf(registry, sizeof(registry), NSSM_REGISTRY, service_name) < 0) {
@@ -148,28 +194,65 @@ int get_parameters(char *service_name, char *exe, int exelen, char *flags, int f
   /* Try to open the registry */
   HKEY key;
   if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, registry, 0, KEY_READ, &key) != ERROR_SUCCESS) {
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, GetLastError(), 0);
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);
     return 2;
   }
 
   /* Try to get executable file - MUST succeed */
-  if (expand_parameter(key, NSSM_REG_EXE, exe, exelen)) {
+  if (expand_parameter(key, NSSM_REG_EXE, exe, exelen, false)) {
     RegCloseKey(key);
     return 3;
   }
 
-  /* Try to get flags - may fail */
-  if (expand_parameter(key, NSSM_REG_FLAGS, flags, flagslen)) {
-    RegCloseKey(key);
-    return 4;
+  /* Try to get flags - may fail and we don't care */
+  if (expand_parameter(key, NSSM_REG_FLAGS, flags, flagslen, false)) {
+    log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_NO_FLAGS, NSSM_REG_FLAGS, service_name, exe, 0);
+    ZeroMemory(flags, flagslen);
   }
 
-  /* Try to get startup directory - may fail */
-  if (expand_parameter(key, NSSM_REG_DIR, dir, dirlen)) {
-    RegCloseKey(key);
-    return 5;
+  /* Try to get startup directory - may fail and we fall back to a default */
+  if (expand_parameter(key, NSSM_REG_DIR, dir, dirlen, true) || ! dir[0]) {
+    /* Our buffers are defined to be long enough for this to be safe */
+    size_t i;
+    for (i = strlen(exe); i && exe[i] != '\\' && exe[i] != '/'; i--);
+    if (i) {
+      memmove(dir, exe, i);
+      dir[i] = '\0';
+    }
+    else {
+      /* Help! */
+      ret = GetWindowsDirectory(dir, dirlen);
+      if (! ret || ret > dirlen) {
+        log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_NO_DIR_AND_NO_FALLBACK, NSSM_REG_DIR, service_name, 0);
+        RegCloseKey(key);
+        return 4;
+      }
+    }
+    log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_NO_DIR, NSSM_REG_DIR, service_name, dir, 0);
   }
 
+  /* Try to get environment variables - may fail */
+  set_environment(service_name, key, env);
+
+  /* Try to get throttle restart delay */
+  unsigned long type = REG_DWORD;
+  unsigned long buflen = sizeof(*throttle_delay);
+  bool throttle_ok = false;
+  ret = RegQueryValueEx(key, NSSM_REG_THROTTLE, 0, &type, (unsigned char *) throttle_delay, &buflen);
+  if (ret != ERROR_SUCCESS) {
+    if (ret != ERROR_FILE_NOT_FOUND) {
+      if (type != REG_DWORD) {
+        char milliseconds[16];
+        _snprintf(milliseconds, sizeof(milliseconds), "%lu", NSSM_RESET_THROTTLE_RESTART);
+        log_event(EVENTLOG_WARNING_TYPE, NSSM_EVENT_BOGUS_THROTTLE, service_name, NSSM_REG_THROTTLE, milliseconds, 0);
+      }
+      else log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_QUERYVALUE_FAILED, NSSM_REG_THROTTLE, error_string(GetLastError()), 0);
+    }
+  }
+  else throttle_ok = true;
+
+  if (! throttle_ok) *throttle_delay = NSSM_RESET_THROTTLE_RESTART;
+
   /* Close registry */
   RegCloseKey(key);
 
@@ -191,7 +274,7 @@ int get_exit_action(char *service_name, unsigned long *ret, unsigned char *actio
   HKEY key;
   long error = RegOpenKeyEx(HKEY_LOCAL_MACHINE, registry, 0, KEY_READ, &key);
   if (error != ERROR_SUCCESS && error != ERROR_FILE_NOT_FOUND) {
-    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, GetLastError(), 0);
+    log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_OPENKEY_FAILED, registry, error_string(GetLastError()), 0);
     return 2;
   }