rosapps/applications/sysutils/telnetd/telnetd.h

   1 #ifndef __TELNETD_H
   2 #define __TELNETD_H
   3
   4 #define _CRT_SECURE_NO_WARNINGS
   5
   6 #define WIN32_NO_STATUS
   7 #include <stdio.h>
   8 #include <winsock2.h>
   9 #include <tchar.h>
  10 #include <time.h>
  11
  12 /*
  13 ** macro definitions
  14 */
  15 #define TELNET_PORT      (23)
  16
  17 #define BUFSIZE        (4096)
  18 #define USERID_SIZE      (64)
  19 #define CTRLC             (3)
  20 #define BS                (8)
  21 #define CR               (13)
  22 #define LF               (10)
  23 #define DEL             (127)
  24
  25 #define IAC "\xff"
  26 #define DONT "\xfe"
  27 #define WONT "\xfc"
  28 #define WILL "\xfb"
  29 #define DO "\xfd"
  30 #define SB "\xfa"
  31 #define SE "\xf0"
  32 #define ECHO "\x01"
  33 #define SUPPRESS_GO_AHEAD "\x03"
  34 #define TERMINAL_TYPE "\x18"
  35 #define NAWS "\x1f"
  36 #define LINEMODE "\x22"
  37 #define NEWENVIRON "\x27"
  38 #define MODE "\x01"
  39
  40 #define HANDSHAKE_TIMEOUT (3)
  41
  42 /*
  43 ** types
  44 */
  45
  46 typedef struct client_s
  47 {
  48   char     userID[USERID_SIZE];
  49   int      socket;
  50   BOOLEAN  bTerminate;
  51   BOOLEAN  bReadFromPipe;
  52   BOOLEAN  bWriteToPipe;
  53   HANDLE   hProcess;
  54   DWORD    dwProcessId;
  55   HANDLE   hChildStdinWr;
  56   HANDLE   hChildStdoutRd;
  57 } client_t;
  58
  59 typedef enum
  60 {
  61   NoEcho = 0,
  62   Echo = 1,
  63   Password = 2
  64 } EchoMode;
  65
  66 /*
  67 ** Forward function declarations
  68 */
  69 static BOOL WINAPI Cleanup(DWORD dwControlType);
  70 static void WaitForConnect(void);
  71 static BOOLEAN StartSocketInterface(void);
  72 static void CreateSocket(void);
  73 static void UserLogin(int client_socket);
  74 static DWORD WINAPI UserLoginThread(LPVOID);
  75 static int DoTelnetHandshake(int sock);
  76 static int ReceiveLine(int sock, char *buffer, int len, EchoMode echo);
  77 static void RunShell(client_t *client);
  78 //static BOOL CreateChildProcess(const char *);
  79 static DWORD WINAPI MonitorChildThread(LPVOID);
  80 static DWORD WINAPI WriteToPipeThread(LPVOID);
  81 static DWORD WINAPI ReadFromPipeThread(LPVOID);
  82 static void TerminateShell(client_t *client);
  83 static VOID ErrorExit(LPTSTR);
  84 int kickoff_telnetd(void);
  85
  86 #endif /* __TELNETD_H */
  87