X-Git-Url: http://git.iain.cx/?a=blobdiff_plain;f=service.cpp;h=849f79093573d4ffa383c8eb9acf9e75f058fed7;hb=94d25a5dcfad872c97e71b646429fc87dc66acc2;hp=a94e6984d41e0b8a79a003ae2898cf1b87b9bf2b;hpb=de47d8ddf95aeddbdcaf0d9ecf2d126aae9a5df7;p=nssm.git

diff --git a/service.cpp b/service.cpp
index a94e698..849f790 100644
--- a/service.cpp
+++ b/service.cpp
@@ -883,7 +883,7 @@ int pre_edit_service(int argc, TCHAR **argv) {
   if (argc < 2) return usage(1);
 
   /* Are we editing on the command line? */
-  enum { MODE_EDITING, MODE_GETTING, MODE_SETTING, MODE_RESETTING } mode = MODE_EDITING;
+  enum { MODE_EDITING, MODE_GETTING, MODE_SETTING, MODE_RESETTING, MODE_DUMPING } mode = MODE_EDITING;
   const TCHAR *verb = argv[0];
   const TCHAR *service_name = argv[1];
   bool getting = false;
@@ -906,6 +906,11 @@ int pre_edit_service(int argc, TCHAR **argv) {
     mandatory = 3;
     mode = MODE_RESETTING;
   }
+  else if (str_equiv(verb, _T("dump"))) {
+    mandatory = 1;
+    remainder = 2;
+    mode = MODE_DUMPING;
+  }
   if (argc < mandatory) return usage(1);
 
   const TCHAR *parameter = 0;
@@ -980,7 +985,7 @@ int pre_edit_service(int argc, TCHAR **argv) {
 
   service->type = qsc->dwServiceType;
   if (! (service->type & SERVICE_WIN32_OWN_PROCESS)) {
-    if (mode != MODE_GETTING) {
+    if (mode != MODE_GETTING && mode != MODE_DUMPING) {
       HeapFree(GetProcessHeap(), 0, qsc);
       CloseServiceHandle(service->handle);
       CloseServiceHandle(services);
@@ -990,7 +995,7 @@ int pre_edit_service(int argc, TCHAR **argv) {
   }
 
   if (get_service_startup(service->name, service->handle, qsc, &service->startup)) {
-    if (mode != MODE_GETTING) {
+    if (mode != MODE_GETTING && mode != MODE_DUMPING) {
       HeapFree(GetProcessHeap(), 0, qsc);
       CloseServiceHandle(service->handle);
       CloseServiceHandle(services);
@@ -999,7 +1004,7 @@ int pre_edit_service(int argc, TCHAR **argv) {
   }
 
   if (get_service_username(service->name, qsc, &service->username, &service->usernamelen)) {
-    if (mode != MODE_GETTING) {
+    if (mode != MODE_GETTING && mode != MODE_DUMPING) {
       HeapFree(GetProcessHeap(), 0, qsc);
       CloseServiceHandle(service->handle);
       CloseServiceHandle(services);
@@ -1019,7 +1024,7 @@ int pre_edit_service(int argc, TCHAR **argv) {
 
   /* Get extended system details. */
   if (get_service_description(service->name, service->handle, _countof(service->description), service->description)) {
-    if (mode != MODE_GETTING) {
+    if (mode != MODE_GETTING && mode != MODE_DUMPING) {
       CloseServiceHandle(service->handle);
       CloseServiceHandle(services);
       return 6;
@@ -1027,7 +1032,7 @@ int pre_edit_service(int argc, TCHAR **argv) {
   }
 
   if (get_service_dependencies(service->name, service->handle, &service->dependencies, &service->dependencieslen)) {
-    if (mode != MODE_GETTING) {
+    if (mode != MODE_GETTING && mode != MODE_DUMPING) {
       CloseServiceHandle(service->handle);
       CloseServiceHandle(services);
       return 7;
@@ -1041,7 +1046,7 @@ int pre_edit_service(int argc, TCHAR **argv) {
 
   if (! service->exe[0]) {
     service->native = true;
-    if (mode != MODE_GETTING) print_message(stderr, NSSM_MESSAGE_INVALID_SERVICE, service->name, NSSM, service->image);
+    if (mode != MODE_GETTING && mode != MODE_DUMPING) print_message(stderr, NSSM_MESSAGE_INVALID_SERVICE, service->name, NSSM, service->image);
   }
 
   /* Editing with the GUI. */
@@ -1050,6 +1055,41 @@ int pre_edit_service(int argc, TCHAR **argv) {
     return 0;
   }
 
+  HKEY key;
+  value_t value;
+  int ret;
+
+  if (mode == MODE_DUMPING) {
+    TCHAR *service_name = service->name;
+    if (argc > remainder) service_name = argv[remainder];
+    if (service->native) key = 0;
+    else {
+      key = open_registry(service->name, KEY_READ);
+      if (! key) return 4;
+    }
+
+    TCHAR quoted_service_name[SERVICE_NAME_LENGTH * 2];
+    TCHAR quoted_exe[EXE_LENGTH * 2];
+    TCHAR quoted_nssm[EXE_LENGTH * 2];
+    if (quote(service_name, quoted_service_name, _countof(quoted_service_name))) return 5;
+    if (quote(service->exe, quoted_exe, _countof(quoted_exe))) return 6;
+    if (quote(nssm_exe(), quoted_nssm, _countof(quoted_nssm))) return 6;
+    _tprintf(_T("%s install %s %s\n"), quoted_nssm, quoted_service_name, quoted_exe);
+
+    ret = 0;
+    for (i = 0; settings[i].name; i++) {
+      setting = &settings[i];
+      if (! setting->native && service->native) continue;
+      if (dump_setting(service_name, key, service->handle, setting)) ret++;
+    }
+
+    if (! service->native) RegCloseKey(key);
+    CloseServiceHandle(service->handle);
+
+    if (ret) return 1;
+    return 0;
+  }
+
   /* Trying to manage App* parameters for a non-NSSM service. */
   if (! setting->native && service->native) {
     CloseServiceHandle(service->handle);
@@ -1057,10 +1097,6 @@ int pre_edit_service(int argc, TCHAR **argv) {
     return 1;
   }
 
-  HKEY key;
-  value_t value;
-  int ret;
-
   if (mode == MODE_GETTING) {
     if (! service->native) {
       key = open_registry(service->name, KEY_READ);
@@ -1083,7 +1119,7 @@ int pre_edit_service(int argc, TCHAR **argv) {
         break;
 
       case REG_DWORD:
-        _tprintf(_T("%u\n"), value.numeric);
+        _tprintf(_T("%lu\n"), value.numeric);
         break;
     }
 
@@ -2231,3 +2267,77 @@ int list_nssm_services() {
   HeapFree(GetProcessHeap(), 0, status);
   return 0;
 }
+
+int service_process_tree(int argc, TCHAR **argv) {
+  int errors = 0;
+  if (argc < 1) return usage(1);
+
+  SC_HANDLE services = open_service_manager(SC_MANAGER_CONNECT);
+  if (! services) {
+    print_message(stderr, NSSM_MESSAGE_OPEN_SERVICE_MANAGER_FAILED);
+    return 1;
+  }
+
+  /*
+    We need SeDebugPrivilege to read the process tree.
+    We ignore failure here so that an error will be printed later when we
+    try to open a process handle.
+  */
+  HANDLE token = get_debug_token();
+
+  TCHAR canonical_name[SERVICE_NAME_LENGTH];
+  SERVICE_STATUS_PROCESS service_status;
+  nssm_service_t *service;
+  kill_t k;
+
+  int i;
+  for (i = 0; i < argc; i++) {
+    TCHAR *service_name = argv[i];
+    SC_HANDLE service_handle = open_service(services, service_name, SERVICE_QUERY_STATUS, canonical_name, _countof(canonical_name));
+    if (! service_handle) {
+      errors++;
+      continue;
+    }
+
+    unsigned long size;
+    int ret = QueryServiceStatusEx(service_handle, SC_STATUS_PROCESS_INFO, (LPBYTE) &service_status, sizeof(service_status), &size);
+    long error = GetLastError();
+    CloseServiceHandle(service_handle);
+    if (! ret) {
+      _ftprintf(stderr, _T("%s: %s\n"), canonical_name, error_string(error));
+      errors++;
+      continue;
+    }
+
+    ZeroMemory(&k, sizeof(k));
+    k.pid = service_status.dwProcessId;
+    if (! k.pid) continue;
+
+    k.process_handle = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, false, k.pid);
+    if (! k.process_handle) {
+      _ftprintf(stderr, _T("%s: %lu: %s\n"), canonical_name, k.pid, error_string(GetLastError()));
+      continue;
+    }
+
+    if (get_process_creation_time(k.process_handle, &k.creation_time)) continue;
+    /* Dummy exit time so we can check processes' parents. */
+    GetSystemTimeAsFileTime(&k.exit_time);
+
+    service = alloc_nssm_service();
+    if (! service) {
+      errors++;
+      continue;
+    }
+
+    _sntprintf_s(service->name, _countof(service->name), _TRUNCATE, _T("%s"), canonical_name);
+    k.name = service->name;
+    walk_process_tree(service, print_process, &k, k.pid);
+
+    cleanup_nssm_service(service);
+  }
+
+  CloseServiceHandle(services);
+  if (token != INVALID_HANDLE_VALUE) CloseHandle(token);
+
+  return errors;
+}