registry.cpp 3.5 KB

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  1. #include "nssm.h"
  2. int create_parameters(char *service_name, char *exe, char *flags, char *dir) {
  3. /* Get registry */
  4. char registry[MAX_PATH];
  5. if (_snprintf(registry, sizeof(registry), NSSM_REGISTRY, service_name) < 0) {
  6. eventprintf(EVENTLOG_ERROR_TYPE, "Out of memory for NSSM_REGISTRY in create_parameters()!");
  7. return 1;
  8. }
  9. /* Try to open the registry */
  10. HKEY key;
  11. if (RegCreateKeyEx(HKEY_LOCAL_MACHINE, registry, 0, 0, REG_OPTION_NON_VOLATILE, KEY_WRITE, 0, &key, 0) != ERROR_SUCCESS) {
  12. eventprintf(EVENTLOG_ERROR_TYPE, "Can't open service registry settings!", NSSM_REGISTRY);
  13. return 2;
  14. }
  15. /* Try to create the parameters */
  16. if (RegSetValueEx(key, NSSM_REG_EXE, 0, REG_SZ, (const unsigned char *) exe, strlen(exe) + 1) != ERROR_SUCCESS) {
  17. eventprintf(EVENTLOG_ERROR_TYPE, "Can't add registry value %s: %s", NSSM_REG_EXE, error_string(GetLastError()));
  18. RegDeleteKey(HKEY_LOCAL_MACHINE, NSSM_REGISTRY);
  19. RegCloseKey(key);
  20. return 3;
  21. }
  22. if (RegSetValueEx(key, NSSM_REG_FLAGS, 0, REG_SZ, (const unsigned char *) flags, strlen(flags) + 1) != ERROR_SUCCESS) {
  23. eventprintf(EVENTLOG_ERROR_TYPE, "Can't add registry value %s: %s", NSSM_REG_FLAGS, error_string(GetLastError()));
  24. RegDeleteKey(HKEY_LOCAL_MACHINE, NSSM_REGISTRY);
  25. RegCloseKey(key);
  26. return 4;
  27. }
  28. if (RegSetValueEx(key, NSSM_REG_DIR, 0, REG_SZ, (const unsigned char *) dir, strlen(dir) + 1) != ERROR_SUCCESS) {
  29. eventprintf(EVENTLOG_ERROR_TYPE, "Can't add registry value %s: %s", NSSM_REG_DIR, error_string(GetLastError()));
  30. RegDeleteKey(HKEY_LOCAL_MACHINE, NSSM_REGISTRY);
  31. RegCloseKey(key);
  32. return 5;
  33. }
  34. /* Close registry */
  35. RegCloseKey(key);
  36. return 0;
  37. }
  38. int get_parameters(char *service_name, char *exe, int exelen, char *flags, int flagslen, char *dir, int dirlen) {
  39. /* Get registry */
  40. char registry[MAX_PATH];
  41. if (_snprintf(registry, sizeof(registry), NSSM_REGISTRY, service_name) < 0) {
  42. eventprintf(EVENTLOG_ERROR_TYPE, "Out of memory for NSSM_REGISTRY in get_parameters()!");
  43. return 1;
  44. }
  45. /* Try to open the registry */
  46. HKEY key;
  47. if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, registry, 0, KEY_READ, &key) != ERROR_SUCCESS) {
  48. eventprintf(EVENTLOG_ERROR_TYPE, "Can't open service registry settings!", NSSM_REGISTRY);
  49. return 2;
  50. }
  51. unsigned long type = REG_SZ;
  52. /* Try to get executable file - MUST succeed */
  53. if (RegQueryValueEx(key, NSSM_REG_EXE, 0, &type, (unsigned char *) exe, (unsigned long *) &exelen) != ERROR_SUCCESS) {
  54. eventprintf(EVENTLOG_ERROR_TYPE, "Can't get application path (registry value %s): %s", NSSM_REG_EXE, error_string(GetLastError()));
  55. RegCloseKey(key);
  56. return 3;
  57. }
  58. /* Try to get flags - may fail */
  59. if (RegQueryValueEx(key, NSSM_REG_FLAGS, 0, &type, (unsigned char *) flags, (unsigned long *) &flagslen) != ERROR_SUCCESS) {
  60. eventprintf(EVENTLOG_WARNING_TYPE, "Can't get application flags (registry value %s): %s", NSSM_REG_FLAGS, error_string(GetLastError()));
  61. RegCloseKey(key);
  62. return 4;
  63. }
  64. /* Try to get startup directory - may fail */
  65. if (RegQueryValueEx(key, NSSM_REG_DIR, 0, &type, (unsigned char *) dir, (unsigned long *) &dirlen) != ERROR_SUCCESS) {
  66. eventprintf(EVENTLOG_WARNING_TYPE, "Can't get application startup directory (registry value %s): %s", NSSM_REG_DIR, error_string(GetLastError()));
  67. RegCloseKey(key);
  68. return 5;
  69. }
  70. /* Close registry */
  71. RegCloseKey(key);
  72. return 0;
  73. }