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    1: #ifndef HEADER_CURL_ARPA_TELNET_H
    2: #define HEADER_CURL_ARPA_TELNET_H
    3: /***************************************************************************
    4:  *                                  _   _ ____  _
    5:  *  Project                     ___| | | |  _ \| |
    6:  *                             / __| | | | |_) | |
    7:  *                            | (__| |_| |  _ <| |___
    8:  *                             \___|\___/|_| \_\_____|
    9:  *
   10:  * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
   11:  *
   12:  * This software is licensed as described in the file COPYING, which
   13:  * you should have received as part of this distribution. The terms
   14:  * are also available at https://curl.haxx.se/docs/copyright.html.
   15:  *
   16:  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
   17:  * copies of the Software, and permit persons to whom the Software is
   18:  * furnished to do so, under the terms of the COPYING file.
   19:  *
   20:  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
   21:  * KIND, either express or implied.
   22:  *
   23:  ***************************************************************************/
   24: #ifndef CURL_DISABLE_TELNET
   25: /*
   26:  * Telnet option defines. Add more here if in need.
   27:  */
   28: #define CURL_TELOPT_BINARY   0  /* binary 8bit data */
   29: #define CURL_TELOPT_ECHO     1  /* just echo! */
   30: #define CURL_TELOPT_SGA      3  /* Suppress Go Ahead */
   31: #define CURL_TELOPT_EXOPL  255  /* EXtended OPtions List */
   32: #define CURL_TELOPT_TTYPE   24  /* Terminal TYPE */
   33: #define CURL_TELOPT_NAWS    31  /* Negotiate About Window Size */
   34: #define CURL_TELOPT_XDISPLOC 35 /* X DISPlay LOCation */
   35: 
   36: #define CURL_TELOPT_NEW_ENVIRON 39  /* NEW ENVIRONment variables */
   37: #define CURL_NEW_ENV_VAR   0
   38: #define CURL_NEW_ENV_VALUE 1
   39: 
   40: #ifndef CURL_DISABLE_VERBOSE_STRINGS
   41: /*
   42:  * The telnet options represented as strings
   43:  */
   44: static const char * const telnetoptions[]=
   45: {
   46:   "BINARY",      "ECHO",           "RCP",           "SUPPRESS GO AHEAD",
   47:   "NAME",        "STATUS",         "TIMING MARK",   "RCTE",
   48:   "NAOL",        "NAOP",           "NAOCRD",        "NAOHTS",
   49:   "NAOHTD",      "NAOFFD",         "NAOVTS",        "NAOVTD",
   50:   "NAOLFD",      "EXTEND ASCII",   "LOGOUT",        "BYTE MACRO",
   51:   "DE TERMINAL", "SUPDUP",         "SUPDUP OUTPUT", "SEND LOCATION",
   52:   "TERM TYPE",   "END OF RECORD",  "TACACS UID",    "OUTPUT MARKING",
   53:   "TTYLOC",      "3270 REGIME",    "X3 PAD",        "NAWS",
   54:   "TERM SPEED",  "LFLOW",          "LINEMODE",      "XDISPLOC",
   55:   "OLD-ENVIRON", "AUTHENTICATION", "ENCRYPT",       "NEW-ENVIRON"
   56: };
   57: #endif
   58: 
   59: #define CURL_TELOPT_MAXIMUM CURL_TELOPT_NEW_ENVIRON
   60: 
   61: #define CURL_TELOPT_OK(x) ((x) <= CURL_TELOPT_MAXIMUM)
   62: #define CURL_TELOPT(x)    telnetoptions[x]
   63: 
   64: #define CURL_NTELOPTS 40
   65: 
   66: /*
   67:  * First some defines
   68:  */
   69: #define CURL_xEOF 236 /* End Of File */
   70: #define CURL_SE   240 /* Sub negotiation End */
   71: #define CURL_NOP  241 /* No OPeration */
   72: #define CURL_DM   242 /* Data Mark */
   73: #define CURL_GA   249 /* Go Ahead, reverse the line */
   74: #define CURL_SB   250 /* SuBnegotiation */
   75: #define CURL_WILL 251 /* Our side WILL use this option */
   76: #define CURL_WONT 252 /* Our side WON'T use this option */
   77: #define CURL_DO   253 /* DO use this option! */
   78: #define CURL_DONT 254 /* DON'T use this option! */
   79: #define CURL_IAC  255 /* Interpret As Command */
   80: 
   81: #ifndef CURL_DISABLE_VERBOSE_STRINGS
   82: /*
   83:  * Then those numbers represented as strings:
   84:  */
   85: static const char * const telnetcmds[]=
   86: {
   87:   "EOF",  "SUSP",  "ABORT", "EOR",  "SE",
   88:   "NOP",  "DMARK", "BRK",   "IP",   "AO",
   89:   "AYT",  "EC",    "EL",    "GA",   "SB",
   90:   "WILL", "WONT",  "DO",    "DONT", "IAC"
   91: };
   92: #endif
   93: 
   94: #define CURL_TELCMD_MINIMUM CURL_xEOF /* the first one */
   95: #define CURL_TELCMD_MAXIMUM CURL_IAC  /* surprise, 255 is the last one! ;-) */
   96: 
   97: #define CURL_TELQUAL_IS   0
   98: #define CURL_TELQUAL_SEND 1
   99: #define CURL_TELQUAL_INFO 2
  100: #define CURL_TELQUAL_NAME 3
  101: 
  102: #define CURL_TELCMD_OK(x) ( ((unsigned int)(x) >= CURL_TELCMD_MINIMUM) && \
  103:                        ((unsigned int)(x) <= CURL_TELCMD_MAXIMUM) )
  104: #define CURL_TELCMD(x)    telnetcmds[(x)-CURL_TELCMD_MINIMUM]
  105: 
  106: #endif /* CURL_DISABLE_TELNET */
  107: 
  108: #endif /* HEADER_CURL_ARPA_TELNET_H */