311 lines
9.8 KiB
C
311 lines
9.8 KiB
C
/*
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* Copyright (c) 1983 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)telnet.h 5.14 (Berkeley) 4/3/91
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*/
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#ifndef _TELNET_H_
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#define _TELNET_H_
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/*
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* Definitions for the TELNET protocol.
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*/
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#define IAC 255 /* interpret as command: */
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#define DONT 254 /* you are not to use option */
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#define DO 253 /* please, you use option */
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#define WONT 252 /* I won't use option */
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#define WILL 251 /* I will use option */
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#define SB 250 /* interpret as subnegotiation */
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#define GA 249 /* you may reverse the line */
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#define EL 248 /* erase the current line */
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#define EC 247 /* erase the current character */
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#define AYT 246 /* are you there */
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#define AO 245 /* abort output--but let prog finish */
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#define IP 244 /* interrupt process--permanently */
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#define BREAK 243 /* break */
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#define DM 242 /* data mark--for connect. cleaning */
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#define NOP 241 /* nop */
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#define SE 240 /* end sub negotiation */
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#define EOR 239 /* end of record (transparent mode) */
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#define ABORT 238 /* Abort process */
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#define SUSP 237 /* Suspend process */
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#define xEOF 236 /* End of file: EOF is already used... */
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#define SYNCH 242 /* for telfunc calls */
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#ifdef TELCMDS
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char *telcmds[] = {
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"EOF", "SUSP", "ABORT", "EOR",
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"SE", "NOP", "DMARK", "BRK", "IP", "AO", "AYT", "EC",
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"EL", "GA", "SB", "WILL", "WONT", "DO", "DONT", "IAC", 0,
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};
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#else
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extern char *telcmds[];
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#endif
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#define TELCMD_FIRST xEOF
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#define TELCMD_LAST IAC
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#define TELCMD_OK(x) ((x) <= TELCMD_LAST && (x) >= TELCMD_FIRST)
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#define TELCMD(x) telcmds[(x)-TELCMD_FIRST]
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/* telnet options */
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#define TELOPT_BINARY 0 /* 8-bit data path */
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#define TELOPT_ECHO 1 /* echo */
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#define TELOPT_RCP 2 /* prepare to reconnect */
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#define TELOPT_SGA 3 /* suppress go ahead */
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#define TELOPT_NAMS 4 /* approximate message size */
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#define TELOPT_STATUS 5 /* give status */
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#define TELOPT_TM 6 /* timing mark */
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#define TELOPT_RCTE 7 /* remote controlled transmission and echo */
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#define TELOPT_NAOL 8 /* negotiate about output line width */
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#define TELOPT_NAOP 9 /* negotiate about output page size */
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#define TELOPT_NAOCRD 10 /* negotiate about CR disposition */
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#define TELOPT_NAOHTS 11 /* negotiate about horizontal tabstops */
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#define TELOPT_NAOHTD 12 /* negotiate about horizontal tab disposition */
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#define TELOPT_NAOFFD 13 /* negotiate about formfeed disposition */
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#define TELOPT_NAOVTS 14 /* negotiate about vertical tab stops */
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#define TELOPT_NAOVTD 15 /* negotiate about vertical tab disposition */
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#define TELOPT_NAOLFD 16 /* negotiate about output LF disposition */
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#define TELOPT_XASCII 17 /* extended ascic character set */
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#define TELOPT_LOGOUT 18 /* force logout */
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#define TELOPT_BM 19 /* byte macro */
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#define TELOPT_DET 20 /* data entry terminal */
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#define TELOPT_SUPDUP 21 /* supdup protocol */
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#define TELOPT_SUPDUPOUTPUT 22 /* supdup output */
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#define TELOPT_SNDLOC 23 /* send location */
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#define TELOPT_TTYPE 24 /* terminal type */
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#define TELOPT_EOR 25 /* end or record */
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#define TELOPT_TUID 26 /* TACACS user identification */
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#define TELOPT_OUTMRK 27 /* output marking */
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#define TELOPT_TTYLOC 28 /* terminal location number */
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#define TELOPT_3270REGIME 29 /* 3270 regime */
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#define TELOPT_X3PAD 30 /* X.3 PAD */
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#define TELOPT_NAWS 31 /* window size */
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#define TELOPT_TSPEED 32 /* terminal speed */
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#define TELOPT_LFLOW 33 /* remote flow control */
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#define TELOPT_LINEMODE 34 /* Linemode option */
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#define TELOPT_XDISPLOC 35 /* X Display Location */
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#define TELOPT_ENVIRON 36 /* Environment variables */
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#define TELOPT_AUTHENTICATION 37/* Authenticate */
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#define TELOPT_ENCRYPT 38 /* Encryption option */
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#define TELOPT_EXOPL 255 /* extended-options-list */
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#define NTELOPTS (1+TELOPT_ENCRYPT)
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#ifdef TELOPTS
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char *telopts[NTELOPTS+1] = {
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"BINARY", "ECHO", "RCP", "SUPPRESS GO AHEAD", "NAME",
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"STATUS", "TIMING MARK", "RCTE", "NAOL", "NAOP",
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"NAOCRD", "NAOHTS", "NAOHTD", "NAOFFD", "NAOVTS",
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"NAOVTD", "NAOLFD", "EXTEND ASCII", "LOGOUT", "BYTE MACRO",
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"DATA ENTRY TERMINAL", "SUPDUP", "SUPDUP OUTPUT",
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"SEND LOCATION", "TERMINAL TYPE", "END OF RECORD",
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"TACACS UID", "OUTPUT MARKING", "TTYLOC",
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"3270 REGIME", "X.3 PAD", "NAWS", "TSPEED", "LFLOW",
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"LINEMODE", "XDISPLOC", "ENVIRON", "AUTHENTICATION",
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"ENCRYPT",
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0,
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};
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#define TELOPT_FIRST TELOPT_BINARY
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#define TELOPT_LAST TELOPT_ENCRYPT
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#define TELOPT_OK(x) ((x) <= TELOPT_LAST && (x) >= TELOPT_FIRST)
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#define TELOPT(x) telopts[(x)-TELOPT_FIRST]
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#endif
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/* sub-option qualifiers */
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#define TELQUAL_IS 0 /* option is... */
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#define TELQUAL_SEND 1 /* send option */
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#define TELQUAL_INFO 2 /* ENVIRON: informational version of IS */
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#define TELQUAL_REPLY 2 /* AUTHENTICATION: client version of IS */
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#define TELQUAL_NAME 3 /* AUTHENTICATION: client version of IS */
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/*
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* LINEMODE suboptions
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*/
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#define LM_MODE 1
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#define LM_FORWARDMASK 2
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#define LM_SLC 3
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#define MODE_EDIT 0x01
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#define MODE_TRAPSIG 0x02
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#define MODE_ACK 0x04
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#define MODE_SOFT_TAB 0x08
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#define MODE_LIT_ECHO 0x10
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#define MODE_MASK 0x1f
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/* Not part of protocol, but needed to simplify things... */
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#define MODE_FLOW 0x0100
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#define MODE_ECHO 0x0200
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#define MODE_INBIN 0x0400
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#define MODE_OUTBIN 0x0800
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#define MODE_FORCE 0x1000
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#define SLC_SYNCH 1
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#define SLC_BRK 2
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#define SLC_IP 3
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#define SLC_AO 4
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#define SLC_AYT 5
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#define SLC_EOR 6
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#define SLC_ABORT 7
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#define SLC_EOF 8
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#define SLC_SUSP 9
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#define SLC_EC 10
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#define SLC_EL 11
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#define SLC_EW 12
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#define SLC_RP 13
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#define SLC_LNEXT 14
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#define SLC_XON 15
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#define SLC_XOFF 16
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#define SLC_FORW1 17
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#define SLC_FORW2 18
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#define NSLC 18
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/*
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* For backwards compatability, we define SLC_NAMES to be the
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* list of names if SLC_NAMES is not defined.
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*/
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#define SLC_NAMELIST "0", "SYNCH", "BRK", "IP", "AO", "AYT", "EOR", \
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"ABORT", "EOF", "SUSP", "EC", "EL", "EW", "RP", \
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"LNEXT", "XON", "XOFF", "FORW1", "FORW2", 0,
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#ifdef SLC_NAMES
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char *slc_names[] = {
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SLC_NAMELIST
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};
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#else
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extern char *slc_names[];
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#define SLC_NAMES SLC_NAMELIST
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#endif
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#define SLC_NAME_OK(x) ((x) >= 0 && (x) < NSLC)
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#define SLC_NAME(x) slc_names[x]
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#define SLC_NOSUPPORT 0
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#define SLC_CANTCHANGE 1
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#define SLC_VARIABLE 2
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#define SLC_DEFAULT 3
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#define SLC_LEVELBITS 0x03
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#define SLC_FUNC 0
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#define SLC_FLAGS 1
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#define SLC_VALUE 2
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#define SLC_ACK 0x80
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#define SLC_FLUSHIN 0x40
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#define SLC_FLUSHOUT 0x20
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#define ENV_VALUE 0
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#define ENV_VAR 1
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#define ENV_ESC 2
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/*
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* AUTHENTICATION suboptions
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*/
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/*
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* Who is authenticating who ...
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*/
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#define AUTH_WHO_CLIENT 0 /* Client authenticating server */
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#define AUTH_WHO_SERVER 1 /* Server authenticating client */
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#define AUTH_WHO_MASK 1
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/*
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* amount of authentication done
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*/
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#define AUTH_HOW_ONE_WAY 0
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#define AUTH_HOW_MUTUAL 2
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#define AUTH_HOW_MASK 2
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#define AUTHTYPE_NULL 0
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#define AUTHTYPE_KERBEROS_V4 1
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#define AUTHTYPE_KERBEROS_V5 2
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#define AUTHTYPE_SPX 3
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#define AUTHTYPE_MINK 4
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#define AUTHTYPE_CNT 5
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#define AUTHTYPE_TEST 99
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#ifdef AUTH_NAMES
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char *authtype_names[] = {
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"NULL", "KERBEROS_V4", "KERBEROS_V5", "SPX", "MINK", 0,
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};
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#else
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extern char *authtype_names[];
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#endif
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#define AUTHTYPE_NAME_OK(x) ((x) >= 0 && (x) < AUTHTYPE_CNT)
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#define AUTHTYPE_NAME(x) authtype_names[x]
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/*
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* ENCRYPTion suboptions
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*/
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#define ENCRYPT_IS 0 /* I pick encryption type ... */
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#define ENCRYPT_SUPPORT 1 /* I support encryption types ... */
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#define ENCRYPT_REPLY 2 /* Initial setup response */
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#define ENCRYPT_START 3 /* Am starting to send encrypted */
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#define ENCRYPT_END 4 /* Am ending encrypted */
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#define ENCRYPT_REQSTART 5 /* Request you start encrypting */
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#define ENCRYPT_REQEND 6 /* Request you send encrypting */
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#define ENCRYPT_ENC_KEYID 7
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#define ENCRYPT_DEC_KEYID 8
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#define ENCRYPT_CNT 9
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#define ENCTYPE_ANY 0
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#define ENCTYPE_DES_CFB64 1
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#define ENCTYPE_DES_OFB64 2
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#define ENCTYPE_CNT 3
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#ifdef ENCRYPT_NAMES
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char *encrypt_names[] = {
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"IS", "SUPPORT", "REPLY", "START", "END",
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"REQUEST-START", "REQUEST-END", "ENC-KEYID", "DEC-KEYID",
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0,
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};
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char *enctype_names[] = {
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"ANY", "DES_CFB64", "DES_OFB64", 0,
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};
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#else
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extern char *encrypt_names[];
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extern char *enctype_names[];
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#endif
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#define ENCRYPT_NAME_OK(x) ((x) >= 0 && (x) < ENCRYPT_CNT)
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#define ENCRYPT_NAME(x) encrypt_names[x]
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#define ENCTYPE_NAME_OK(x) ((x) >= 0 && (x) < ENCTYPE_CNT)
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#define ENCTYPE_NAME(x) enctype_names[x]
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#endif /* !_TELNET_H_ */
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