reactos/base/services/telnetd/telnetd.h

   1 #pragma once
   2
   3 #define _CRT_SECURE_NO_WARNINGS
   4 #define WIN32_NO_STATUS
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include <windef.h>
   8 #include <winbase.h>
   9 #include <wincon.h>
  10 #define _INC_WINDOWS
  11 #include <winsock2.h>
  12
  13 /*
  14 ** macro definitions
  15 */
  16 #define TELNET_PORT      (23)
  17
  18 #define BUFSIZE        (4096)
  19 #define USERID_SIZE      (64)
  20 #define CTRLC             (3)
  21 #define BS                (8)
  22 #define CR               (13)
  23 #define LF               (10)
  24 #define DEL             (127)
  25
  26 #define IAC "\xff"
  27 #define DONT "\xfe"
  28 #define WONT "\xfc"
  29 #define WILL "\xfb"
  30 #define DO "\xfd"
  31 #define SB "\xfa"
  32 #define SE "\xf0"
  33 #define ECHO "\x01"
  34 #define SUPPRESS_GO_AHEAD "\x03"
  35 #define TERMINAL_TYPE "\x18"
  36 #define NAWS "\x1f"
  37 #define LINEMODE "\x22"
  38 #define NEWENVIRON "\x27"
  39 #define MODE "\x01"
  40
  41 #define HANDSHAKE_TIMEOUT (3)
  42
  43 /*
  44 ** types
  45 */
  46
  47 typedef struct client_s
  48 {
  49   char     userID[USERID_SIZE];
  50   int      socket;
  51   BOOLEAN  bTerminate;
  52   BOOLEAN  bReadFromPipe;
  53   BOOLEAN  bWriteToPipe;
  54   HANDLE   hProcess;
  55   DWORD    dwProcessId;
  56   HANDLE   hChildStdinWr;
  57   HANDLE   hChildStdoutRd;
  58 } client_t;
  59
  60 typedef enum
  61 {
  62   NoEcho = 0,
  63   Echo = 1,
  64   Password = 2
  65 } EchoMode;
  66
  67 /*
  68 ** Forward function declarations
  69 */
  70 static BOOL WINAPI Cleanup(DWORD dwControlType);
  71 static void WaitForConnect(void);
  72 static BOOLEAN StartSocketInterface(void);
  73 static void CreateSocket(void);
  74 static void UserLogin(int client_socket);
  75 static DWORD WINAPI UserLoginThread(LPVOID);
  76 static int DoTelnetHandshake(int sock);
  77 static int ReceiveLine(int sock, char *buffer, int len, EchoMode echo);
  78 static void RunShell(client_t *client);
  79 //static BOOL CreateChildProcess(const char *);
  80 static DWORD WINAPI MonitorChildThread(LPVOID);
  81 static DWORD WINAPI WriteToPipeThread(LPVOID);
  82 static DWORD WINAPI ReadFromPipeThread(LPVOID);
  83 static void TerminateShell(client_t *client);
  84 static VOID ErrorExit(LPTSTR);
  85 int kickoff_telnetd(void);