programs/net/net.c

   1 /*
   2  * Copyright 2007 Tim Schwartz
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include <windows.h>
  20 #include <lm.h>
  21 #include <wine/unicode.h>
  22 #include <wine/debug.h>
  23
  24 #include "resources.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(net);
  27
  28 #define NET_START 0001
  29 #define NET_STOP  0002
  30
  31 static int output_write(const WCHAR* str, int len)
  32 {
  33     DWORD ret, count;
  34     ret = WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE), str, len, &count, NULL);
  35     if (!ret)
  36     {
  37         DWORD lenA;
  38         char* strA;
  39
  40         /* On Windows WriteConsoleW() fails if the output is redirected. So fall
  41          * back to WriteFile(), assuming the console encoding is still the right
  42          * one in that case.
  43          */
  44         lenA = WideCharToMultiByte(GetConsoleOutputCP(), 0, str, len,
  45                                    NULL, 0, NULL, NULL);
  46         strA = HeapAlloc(GetProcessHeap(), 0, lenA);
  47         if (!strA)
  48             return 0;
  49
  50         WideCharToMultiByte(GetConsoleOutputCP(), 0, str, len, strA, lenA,
  51                             NULL, NULL);
  52         WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), strA, lenA, &count, FALSE);
  53         HeapFree(GetProcessHeap(), 0, strA);
  54     }
  55     return count;
  56 }
  57
  58 static int output_vprintf(const WCHAR* fmt, __ms_va_list va_args)
  59 {
  60     WCHAR str[8192];
  61     int len;
  62
  63     SetLastError(NO_ERROR);
  64     len = FormatMessageW(FORMAT_MESSAGE_FROM_STRING, fmt, 0, 0, str, ARRAY_SIZE(str), &va_args);
  65     if (len == 0 && GetLastError() != NO_ERROR)
  66         WINE_FIXME("Could not format string: le=%u, fmt=%s\n", GetLastError(), wine_dbgstr_w(fmt));
  67     else
  68         output_write(str, len);
  69     return 0;
  70 }
  71
  72 static int WINAPIV output_printf(const WCHAR* fmt, ...)
  73 {
  74     __ms_va_list arguments;
  75
  76     __ms_va_start(arguments, fmt);
  77     output_vprintf(fmt, arguments);
  78     __ms_va_end(arguments);
  79     return 0;
  80 }
  81
  82 static int WINAPIV output_string(int msg, ...)
  83 {
  84     WCHAR fmt[8192];
  85     __ms_va_list arguments;
  86
  87     LoadStringW(GetModuleHandleW(NULL), msg, fmt, ARRAY_SIZE(fmt));
  88     __ms_va_start(arguments, msg);
  89     output_vprintf(fmt, arguments);
  90     __ms_va_end(arguments);
  91     return 0;
  92 }
  93
  94 static BOOL output_error_string(DWORD error)
  95 {
  96     LPWSTR pBuffer;
  97     if (FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM |
  98             FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_ALLOCATE_BUFFER,
  99             NULL, error, 0, (LPWSTR)&pBuffer, 0, NULL))
 100     {
 101         output_write(pBuffer, lstrlenW(pBuffer));
 102         LocalFree(pBuffer);
 103         return TRUE;
 104     }
 105     return FALSE;
 106 }
 107
 108 static BOOL net_use(int argc, const WCHAR* argv[])
 109 {
 110     USE_INFO_2 *buffer, *connection;
 111     DWORD read, total, resume_handle, rc, i;
 112     WCHAR* status[STRING_RECONN-STRING_OK+1];
 113     resume_handle = 0;
 114     buffer = NULL;
 115
 116     if(argc<3)
 117     {
 118         HMODULE hmod = GetModuleHandleW(NULL);
 119
 120         /* Load the status strings */
 121         for (i = 0; i < ARRAY_SIZE(status); i++)
 122         {
 123             status[i] = HeapAlloc(GetProcessHeap(), 0, 1024 * sizeof(**status));
 124             LoadStringW(hmod, STRING_OK+i, status[i], 1024);
 125         }
 126
 127         do {
 128             rc = NetUseEnum(NULL, 2, (BYTE **) &buffer, 2048, &read, &total, &resume_handle);
 129             if (rc != ERROR_MORE_DATA && rc != ERROR_SUCCESS)
 130             {
 131                 break;
 132             }
 133
 134             if(total == 0)
 135             {
 136                 output_string(STRING_NO_ENTRIES);
 137                 break;
 138             }
 139
 140             output_string(STRING_USE_HEADER);
 141             for (i = 0, connection = buffer; i < read; ++i, ++connection)
 142                 output_string(STRING_USE_ENTRY, status[connection->ui2_status], connection->ui2_local,
 143                                 connection->ui2_remote, connection->ui2_refcount);
 144
 145             if (buffer != NULL) NetApiBufferFree(buffer);
 146         } while (rc == ERROR_MORE_DATA);
 147
 148         /* Release the status strings */
 149         for (i = 0; i < ARRAY_SIZE(status); i++)
 150             HeapFree(GetProcessHeap(), 0, status[i]);
 151
 152         return TRUE;
 153     }
 154
 155     return FALSE;
 156 }
 157
 158 static BOOL net_enum_services(void)
 159 {
 160     static const WCHAR runningW[]={' ',' ',' ',' ','%','1','\n',0};
 161     SC_HANDLE SCManager;
 162     LPENUM_SERVICE_STATUS_PROCESSW services;
 163     DWORD size, i, count, resume;
 164     BOOL success = FALSE;
 165
 166     SCManager = OpenSCManagerW(NULL, NULL, SC_MANAGER_ALL_ACCESS);
 167     if(!SCManager)
 168     {
 169         output_string(STRING_NO_SCM);
 170         return FALSE;
 171     }
 172
 173     EnumServicesStatusExW(SCManager, SC_ENUM_PROCESS_INFO, SERVICE_WIN32, SERVICE_ACTIVE, NULL, 0, &size, &count, NULL, NULL);
 174     if(GetLastError() != ERROR_MORE_DATA)
 175     {
 176         output_error_string(GetLastError());
 177         goto end;
 178     }
 179     services = HeapAlloc(GetProcessHeap(), 0, size);
 180     resume = 0;
 181     if(!EnumServicesStatusExW(SCManager, SC_ENUM_PROCESS_INFO, SERVICE_WIN32, SERVICE_ACTIVE, (LPBYTE)services, size, &size, &count, &resume, NULL))
 182     {
 183         output_error_string(GetLastError());
 184         goto end;
 185     }
 186     output_string(STRING_RUNNING_HEADER);
 187     for(i = 0; i < count; i++)
 188     {
 189         output_printf(runningW, services[i].lpDisplayName);
 190         WINE_TRACE("service=%s state=%d controls=%x\n",
 191                    wine_dbgstr_w(services[i].lpServiceName),
 192                    services[i].ServiceStatusProcess.dwCurrentState,
 193                    services[i].ServiceStatusProcess.dwControlsAccepted);
 194     }
 195     success = TRUE;
 196
 197  end:
 198     CloseServiceHandle(SCManager);
 199     return success;
 200 }
 201
 202 static BOOL StopService(SC_HANDLE SCManager, SC_HANDLE serviceHandle)
 203 {
 204     LPENUM_SERVICE_STATUSW dependencies = NULL;
 205     DWORD buffer_size = 0;
 206     DWORD count = 0, counter;
 207     BOOL result;
 208     SC_HANDLE dependent_serviceHandle;
 209     SERVICE_STATUS_PROCESS ssp;
 210
 211     result = EnumDependentServicesW(serviceHandle, SERVICE_ACTIVE, dependencies, buffer_size, &buffer_size, &count);
 212
 213     if(!result && (GetLastError() == ERROR_MORE_DATA))
 214     {
 215         dependencies = HeapAlloc(GetProcessHeap(), 0, buffer_size);
 216         if(EnumDependentServicesW(serviceHandle, SERVICE_ACTIVE, dependencies, buffer_size, &buffer_size, &count))
 217         {
 218             for(counter = 0; counter < count; counter++)
 219             {
 220                 output_string(STRING_STOP_DEP, dependencies[counter].lpDisplayName);
 221                 dependent_serviceHandle = OpenServiceW(SCManager, dependencies[counter].lpServiceName, SC_MANAGER_ALL_ACCESS);
 222                 if(dependent_serviceHandle)
 223                 {
 224                     result = StopService(SCManager, dependent_serviceHandle);
 225                     CloseServiceHandle(dependent_serviceHandle);
 226                 }
 227                 if(!result) output_string(STRING_CANT_STOP, dependencies[counter].lpDisplayName);
 228            }
 229         }
 230     }
 231
 232     if(result) result = ControlService(serviceHandle, SERVICE_CONTROL_STOP, (LPSERVICE_STATUS)&ssp);
 233     HeapFree(GetProcessHeap(), 0, dependencies);
 234     return result;
 235 }
 236
 237 static BOOL net_service(int operation, const WCHAR* service_name)
 238 {
 239     SC_HANDLE SCManager, serviceHandle;
 240     BOOL result = FALSE;
 241     WCHAR service_display_name[4096];
 242     DWORD buffer_size;
 243
 244     SCManager = OpenSCManagerW(NULL, NULL, SC_MANAGER_ALL_ACCESS);
 245     if(!SCManager)
 246     {
 247         output_string(STRING_NO_SCM);
 248         return FALSE;
 249     }
 250     serviceHandle = OpenServiceW(SCManager, service_name, SC_MANAGER_ALL_ACCESS);
 251     if(!serviceHandle)
 252     {
 253         output_string(STRING_NO_SVCHANDLE);
 254         CloseServiceHandle(SCManager);
 255         return FALSE;
 256     }
 257
 258     buffer_size = ARRAY_SIZE(service_display_name);
 259     GetServiceDisplayNameW(SCManager, service_name, service_display_name, &buffer_size);
 260     if (!service_display_name[0]) lstrcpyW(service_display_name, service_name);
 261
 262     switch(operation)
 263     {
 264     case NET_START:
 265         output_string(STRING_START_SVC, service_display_name);
 266         result = StartServiceW(serviceHandle, 0, NULL);
 267
 268         if(result) output_string(STRING_START_SVC_SUCCESS, service_display_name);
 269         else
 270         {
 271             if (!output_error_string(GetLastError()))
 272                 output_string(STRING_START_SVC_FAIL, service_display_name);
 273         }
 274         break;
 275     case NET_STOP:
 276         output_string(STRING_STOP_SVC, service_display_name);
 277         result = StopService(SCManager, serviceHandle);
 278
 279         if(result) output_string(STRING_STOP_SVC_SUCCESS, service_display_name);
 280         else
 281         {
 282             if (!output_error_string(GetLastError()))
 283                 output_string(STRING_STOP_SVC_FAIL, service_display_name);
 284         }
 285         break;
 286     }
 287
 288     CloseServiceHandle(serviceHandle);
 289     CloseServiceHandle(SCManager);
 290     return result;
 291 }
 292
 293 static BOOL arg_is(const WCHAR* str1, const WCHAR* str2)
 294 {
 295     return CompareStringW(LOCALE_USER_DEFAULT, NORM_IGNORECASE, str1, -1, str2, -1) == CSTR_EQUAL;
 296 }
 297
 298 int wmain(int argc, const WCHAR* argv[])
 299 {
 300     static const WCHAR helpW[]={'h','e','l','p',0};
 301     static const WCHAR shelpW[]={'/','h','e','l','p',0};
 302     static const WCHAR startW[]={'s','t','a','r','t',0};
 303     static const WCHAR stopW[]={'s','t','o','p',0};
 304     static const WCHAR useW[]={'u','s','e',0};
 305
 306     if (argc < 2)
 307     {
 308         output_string(STRING_USAGE);
 309         return 1;
 310     }
 311
 312     if(arg_is(argv[1], helpW))
 313     {
 314         if(argc > 3)
 315         {
 316             output_string(STRING_USAGE);
 317             return 1;
 318         }
 319         if(argc == 2)
 320             output_string(STRING_USAGE);
 321         else if(arg_is(argv[2], startW))
 322             output_string(STRING_START_USAGE);
 323         else if(arg_is(argv[2], stopW))
 324             output_string(STRING_STOP_USAGE);
 325         else
 326             output_string(STRING_USAGE);
 327     }
 328     else if(arg_is(argv[1], startW))
 329     {
 330         if(argc > 3)
 331         {
 332             output_string(STRING_START_USAGE);
 333             return 1;
 334         }
 335         if (argc == 2)
 336         {
 337             if (!net_enum_services())
 338                 return 1;
 339         }
 340         else if(arg_is(argv[2], shelpW))
 341             output_string(STRING_START_USAGE);
 342         else if(!net_service(NET_START, argv[2]))
 343             return 1;
 344     }
 345     else if(arg_is(argv[1], stopW))
 346     {
 347         if(argc != 3)
 348         {
 349             output_string(STRING_STOP_USAGE);
 350             return 1;
 351         }
 352         if(arg_is(argv[2], shelpW))
 353             output_string(STRING_STOP_USAGE);
 354         else if(!net_service(NET_STOP, argv[2]))
 355             return 1;
 356     }
 357     else if(arg_is(argv[1], useW))
 358     {
 359         if(!net_use(argc, argv)) return 1;
 360     }
 361     else
 362         output_string(STRING_USAGE);
 363
 364     return 0;
 365 }