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- #include "nssm.h"
- int create_parameters(char *service_name, char *exe, char *flags, char *dir) {
- /* Get registry */
- char registry[MAX_PATH];
- if (_snprintf(registry, sizeof(registry), NSSM_REGISTRY, service_name) < 0) {
- eventprintf(EVENTLOG_ERROR_TYPE, "Out of memory for NSSM_REGISTRY in create_parameters()!");
- return 1;
- }
- /* 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) {
- eventprintf(EVENTLOG_ERROR_TYPE, "Can't open service registry settings!", NSSM_REGISTRY);
- return 2;
- }
- /* Try to create the parameters */
- if (RegSetValueEx(key, NSSM_REG_EXE, 0, REG_SZ, (const unsigned char *) exe, strlen(exe) + 1) != ERROR_SUCCESS) {
- eventprintf(EVENTLOG_ERROR_TYPE, "Can't add registry value %s: %s", NSSM_REG_EXE, error_string(GetLastError()));
- RegDeleteKey(HKEY_LOCAL_MACHINE, NSSM_REGISTRY);
- RegCloseKey(key);
- return 3;
- }
- if (RegSetValueEx(key, NSSM_REG_FLAGS, 0, REG_SZ, (const unsigned char *) flags, strlen(flags) + 1) != ERROR_SUCCESS) {
- eventprintf(EVENTLOG_ERROR_TYPE, "Can't add registry value %s: %s", NSSM_REG_FLAGS, error_string(GetLastError()));
- RegDeleteKey(HKEY_LOCAL_MACHINE, NSSM_REGISTRY);
- RegCloseKey(key);
- return 4;
- }
- if (RegSetValueEx(key, NSSM_REG_DIR, 0, REG_SZ, (const unsigned char *) dir, strlen(dir) + 1) != ERROR_SUCCESS) {
- eventprintf(EVENTLOG_ERROR_TYPE, "Can't add registry value %s: %s", NSSM_REG_DIR, error_string(GetLastError()));
- RegDeleteKey(HKEY_LOCAL_MACHINE, NSSM_REGISTRY);
- RegCloseKey(key);
- return 5;
- }
- /* Close registry */
- RegCloseKey(key);
- return 0;
- }
- int create_exit_action(char *service_name, const char *action_string) {
- /* Get registry */
- char registry[MAX_PATH];
- if (_snprintf(registry, sizeof(registry), NSSM_REGISTRY "\\%s", service_name, NSSM_REG_EXIT) < 0) {
- eventprintf(EVENTLOG_ERROR_TYPE, "Out of memory for NSSM_REG_EXIT in create_exit_action()!");
- return 1;
- }
- /* Try to open the registry */
- HKEY key;
- unsigned long disposition;
- if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, registry, 0, 0, REG_OPTION_NON_VOLATILE, KEY_WRITE, 0, &key, &disposition) != ERROR_SUCCESS) {
- eventprintf(EVENTLOG_ERROR_TYPE, "Can't open service exit action registry settings!");
- return 2;
- }
- /* Do nothing if the key already existed */
- if (disposition == REG_OPENED_EXISTING_KEY) {
- RegCloseKey(key);
- return 0;
- }
- /* Create the default value */
- if (RegSetValueEx(key, 0, 0, REG_SZ, (const unsigned char *) action_string, strlen(action_string) + 1) != ERROR_SUCCESS) {
- eventprintf(EVENTLOG_ERROR_TYPE, "Can't add default registry value %s: %s", NSSM_REG_EXIT, error_string(GetLastError()));
- RegCloseKey(key);
- return 3;
- }
- /* Close registry */
- RegCloseKey(key);
- return 0;
- }
- int get_parameters(char *service_name, char *exe, int exelen, char *flags, int flagslen, char *dir, int dirlen) {
- /* Get registry */
- char registry[MAX_PATH];
- if (_snprintf(registry, sizeof(registry), NSSM_REGISTRY, service_name) < 0) {
- eventprintf(EVENTLOG_ERROR_TYPE, "Out of memory for NSSM_REGISTRY in get_parameters()!");
- return 1;
- }
- /* Try to open the registry */
- HKEY key;
- if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, registry, 0, KEY_READ, &key) != ERROR_SUCCESS) {
- eventprintf(EVENTLOG_ERROR_TYPE, "Can't open service registry settings!", NSSM_REGISTRY);
- return 2;
- }
- unsigned long type = REG_SZ;
- /* Try to get executable file - MUST succeed */
- if (RegQueryValueEx(key, NSSM_REG_EXE, 0, &type, (unsigned char *) exe, (unsigned long *) &exelen) != ERROR_SUCCESS) {
- eventprintf(EVENTLOG_ERROR_TYPE, "Can't get application path (registry value %s): %s", NSSM_REG_EXE, error_string(GetLastError()));
- RegCloseKey(key);
- return 3;
- }
- /* Try to get flags - may fail */
- if (RegQueryValueEx(key, NSSM_REG_FLAGS, 0, &type, (unsigned char *) flags, (unsigned long *) &flagslen) != ERROR_SUCCESS) {
- eventprintf(EVENTLOG_WARNING_TYPE, "Can't get application flags (registry value %s): %s", NSSM_REG_FLAGS, error_string(GetLastError()));
- RegCloseKey(key);
- return 4;
- }
- /* Try to get startup directory - may fail */
- if (RegQueryValueEx(key, NSSM_REG_DIR, 0, &type, (unsigned char *) dir, (unsigned long *) &dirlen) != ERROR_SUCCESS) {
- eventprintf(EVENTLOG_WARNING_TYPE, "Can't get application startup directory (registry value %s): %s", NSSM_REG_DIR, error_string(GetLastError()));
- RegCloseKey(key);
- return 5;
- }
- /* Close registry */
- RegCloseKey(key);
- return 0;
- }
- int get_exit_action(char *service_name, unsigned long *ret, unsigned char *action) {
- /* Get registry */
- char registry[MAX_PATH];
- if (_snprintf(registry, sizeof(registry), NSSM_REGISTRY "\\%s", service_name, NSSM_REG_EXIT) < 0) {
- eventprintf(EVENTLOG_ERROR_TYPE, "Out of memory for NSSM_REG_EXIT in get_exit_action()!");
- return 1;
- }
- /* Try to open the registry */
- HKEY key;
- long error = RegOpenKeyEx(HKEY_LOCAL_MACHINE, registry, 0, KEY_READ, &key);
- if (error != ERROR_SUCCESS && error != ERROR_FILE_NOT_FOUND) {
- eventprintf(EVENTLOG_ERROR_TYPE, "Can't open registry %s!", registry);
- return 2;
- }
- unsigned long type = REG_SZ;
- unsigned long action_len = ACTION_LEN;
- char code[64];
- if (! ret) code[0] = '\0';
- else if (_snprintf(code, sizeof(code), "%lu", *ret) < 0) {
- RegCloseKey(key);
- return get_exit_action(service_name, 0, action);
- }
- if (RegQueryValueEx(key, code, 0, &type, action, &action_len) != ERROR_SUCCESS) {
- RegCloseKey(key);
- /* Try again with * as the key if an exit code was defined */
- if (ret) return get_exit_action(service_name, 0, action);
- return 0;
- }
- /* Close registry */
- RegCloseKey(key);
- return 0;
- }
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