| 1 | /*
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| 2 | * Copyright (c) 1983, 1993
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| 3 | * The Regents of the University of California. All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | * 1. Redistributions of source code must retain the above copyright
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| 9 | * notice, this list of conditions and the following disclaimer.
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer in the
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| 12 | * documentation and/or other materials provided with the distribution.
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| 13 | * 3. All advertising materials mentioning features or use of this software
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| 14 | * must display the following acknowledgement:
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| 15 | * This product includes software developed by the University of
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| 16 | * California, Berkeley and its contributors.
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| 17 | * 4. Neither the name of the University nor the names of its contributors
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| 18 | * may be used to endorse or promote products derived from this software
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| 19 | * without specific prior written permission.
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| 20 | *
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 31 | * SUCH DAMAGE.
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| 32 | *
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| 33 | * @(#)telnet.h 8.2 (Berkeley) 12/15/93
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| 34 | */
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| 35 |
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| 36 | #ifndef _ARPA_TELNET_H_
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| 37 | #define _ARPA_TELNET_H_
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| 38 |
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| 39 | /*
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| 40 | * Definitions for the TELNET protocol.
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| 41 | */
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| 42 | #define IAC 255 /* interpret as command: */
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| 43 | #define DONT 254 /* you are not to use option */
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| 44 | #define DO 253 /* please, you use option */
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| 45 | #define WONT 252 /* I won't use option */
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| 46 | #define WILL 251 /* I will use option */
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| 47 | #define SB 250 /* interpret as subnegotiation */
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| 48 | #define GA 249 /* you may reverse the line */
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| 49 | #define EL 248 /* erase the current line */
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| 50 | #define EC 247 /* erase the current character */
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| 51 | #define AYT 246 /* are you there */
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| 52 | #define AO 245 /* abort output--but let prog finish */
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| 53 | #define IP 244 /* interrupt process--permanently */
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| 54 | #define BREAK 243 /* break */
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| 55 | #define DM 242 /* data mark--for connect. cleaning */
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| 56 | #define NOP 241 /* nop */
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| 57 | #define SE 240 /* end sub negotiation */
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| 58 | #define EOR 239 /* end of record (transparent mode) */
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| 59 | #define ABORT 238 /* Abort process */
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| 60 | #define SUSP 237 /* Suspend process */
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| 61 | #define xEOF 236 /* End of file: EOF is already used... */
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| 62 |
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| 63 | #define SYNCH 242 /* for telfunc calls */
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| 64 |
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| 65 | #ifdef TELCMDS
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| 66 | char *telcmds[] = {
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| 67 | "EOF", "SUSP", "ABORT", "EOR",
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| 68 | "SE", "NOP", "DMARK", "BRK", "IP", "AO", "AYT", "EC",
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| 69 | "EL", "GA", "SB", "WILL", "WONT", "DO", "DONT", "IAC",
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| 70 | 0
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| 71 | };
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| 72 | #else
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| 73 | extern char *telcmds[];
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| 74 | #endif
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| 75 |
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| 76 | #define TELCMD_FIRST xEOF
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| 77 | #define TELCMD_LAST IAC
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| 78 | #define TELCMD_OK(x) ((unsigned int)(x) <= TELCMD_LAST && \
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| 79 | (unsigned int)(x) >= TELCMD_FIRST)
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| 80 | #define TELCMD(x) telcmds[(x)-TELCMD_FIRST]
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| 81 |
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| 82 | /* telnet options */
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| 83 | #define TELOPT_BINARY 0 /* 8-bit data path */
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| 84 | #define TELOPT_ECHO 1 /* echo */
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| 85 | #define TELOPT_RCP 2 /* prepare to reconnect */
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| 86 | #define TELOPT_SGA 3 /* suppress go ahead */
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| 87 | #define TELOPT_NAMS 4 /* approximate message size */
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| 88 | #define TELOPT_STATUS 5 /* give status */
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| 89 | #define TELOPT_TM 6 /* timing mark */
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| 90 | #define TELOPT_RCTE 7 /* remote controlled transmission and echo */
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| 91 | #define TELOPT_NAOL 8 /* negotiate about output line width */
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| 92 | #define TELOPT_NAOP 9 /* negotiate about output page size */
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| 93 | #define TELOPT_NAOCRD 10 /* negotiate about CR disposition */
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| 94 | #define TELOPT_NAOHTS 11 /* negotiate about horizontal tabstops */
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| 95 | #define TELOPT_NAOHTD 12 /* negotiate about horizontal tab disposition */
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| 96 | #define TELOPT_NAOFFD 13 /* negotiate about formfeed disposition */
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| 97 | #define TELOPT_NAOVTS 14 /* negotiate about vertical tab stops */
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| 98 | #define TELOPT_NAOVTD 15 /* negotiate about vertical tab disposition */
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| 99 | #define TELOPT_NAOLFD 16 /* negotiate about output LF disposition */
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| 100 | #define TELOPT_XASCII 17 /* extended ascic character set */
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| 101 | #define TELOPT_LOGOUT 18 /* force logout */
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| 102 | #define TELOPT_BM 19 /* byte macro */
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| 103 | #define TELOPT_DET 20 /* data entry terminal */
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| 104 | #define TELOPT_SUPDUP 21 /* supdup protocol */
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| 105 | #define TELOPT_SUPDUPOUTPUT 22 /* supdup output */
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| 106 | #define TELOPT_SNDLOC 23 /* send location */
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| 107 | #define TELOPT_TTYPE 24 /* terminal type */
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| 108 | #define TELOPT_EOR 25 /* end or record */
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| 109 | #define TELOPT_TUID 26 /* TACACS user identification */
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| 110 | #define TELOPT_OUTMRK 27 /* output marking */
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| 111 | #define TELOPT_TTYLOC 28 /* terminal location number */
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| 112 | #define TELOPT_3270REGIME 29 /* 3270 regime */
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| 113 | #define TELOPT_X3PAD 30 /* X.3 PAD */
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| 114 | #define TELOPT_NAWS 31 /* window size */
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| 115 | #define TELOPT_TSPEED 32 /* terminal speed */
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| 116 | #define TELOPT_LFLOW 33 /* remote flow control */
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| 117 | #define TELOPT_LINEMODE 34 /* Linemode option */
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| 118 | #define TELOPT_XDISPLOC 35 /* X Display Location */
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| 119 | #define TELOPT_OLD_ENVIRON 36 /* Old - Environment variables */
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| 120 | #define TELOPT_AUTHENTICATION 37/* Authenticate */
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| 121 | #define TELOPT_ENCRYPT 38 /* Encryption option */
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| 122 | #define TELOPT_NEW_ENVIRON 39 /* New - Environment variables */
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| 123 | #define TELOPT_EXOPL 255 /* extended-options-list */
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| 124 |
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| 125 |
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| 126 | #define NTELOPTS (1+TELOPT_NEW_ENVIRON)
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| 127 | #ifdef TELOPTS
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| 128 | char *telopts[NTELOPTS+1] = {
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| 129 | "BINARY", "ECHO", "RCP", "SUPPRESS GO AHEAD", "NAME",
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| 130 | "STATUS", "TIMING MARK", "RCTE", "NAOL", "NAOP",
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| 131 | "NAOCRD", "NAOHTS", "NAOHTD", "NAOFFD", "NAOVTS",
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| 132 | "NAOVTD", "NAOLFD", "EXTEND ASCII", "LOGOUT", "BYTE MACRO",
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| 133 | "DATA ENTRY TERMINAL", "SUPDUP", "SUPDUP OUTPUT",
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| 134 | "SEND LOCATION", "TERMINAL TYPE", "END OF RECORD",
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| 135 | "TACACS UID", "OUTPUT MARKING", "TTYLOC",
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| 136 | "3270 REGIME", "X.3 PAD", "NAWS", "TSPEED", "LFLOW",
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| 137 | "LINEMODE", "XDISPLOC", "OLD-ENVIRON", "AUTHENTICATION",
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| 138 | "ENCRYPT", "NEW-ENVIRON",
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| 139 | 0
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| 140 | };
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| 141 | #define TELOPT_FIRST TELOPT_BINARY
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| 142 | #define TELOPT_LAST TELOPT_NEW_ENVIRON
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| 143 | #define TELOPT_OK(x) ((unsigned int)(x) <= TELOPT_LAST)
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| 144 | #define TELOPT(x) telopts[(x)-TELOPT_FIRST]
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| 145 | #endif
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| 146 |
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| 147 | /* sub-option qualifiers */
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| 148 | #define TELQUAL_IS 0 /* option is... */
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| 149 | #define TELQUAL_SEND 1 /* send option */
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| 150 | #define TELQUAL_INFO 2 /* ENVIRON: informational version of IS */
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| 151 | #define TELQUAL_REPLY 2 /* AUTHENTICATION: client version of IS */
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| 152 | #define TELQUAL_NAME 3 /* AUTHENTICATION: client version of IS */
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| 153 |
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| 154 | #define LFLOW_OFF 0 /* Disable remote flow control */
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| 155 | #define LFLOW_ON 1 /* Enable remote flow control */
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| 156 | #define LFLOW_RESTART_ANY 2 /* Restart output on any char */
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| 157 | #define LFLOW_RESTART_XON 3 /* Restart output only on XON */
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| 158 |
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| 159 | /*
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| 160 | * LINEMODE suboptions
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| 161 | */
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| 162 |
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| 163 | #define LM_MODE 1
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| 164 | #define LM_FORWARDMASK 2
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| 165 | #define LM_SLC 3
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| 166 |
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| 167 | #define MODE_EDIT 0x01
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| 168 | #define MODE_TRAPSIG 0x02
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| 169 | #define MODE_ACK 0x04
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| 170 | #define MODE_SOFT_TAB 0x08
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| 171 | #define MODE_LIT_ECHO 0x10
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| 172 |
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| 173 | #define MODE_MASK 0x1f
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| 174 |
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| 175 | /* Not part of protocol, but needed to simplify things... */
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| 176 | #define MODE_FLOW 0x0100
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| 177 | #define MODE_ECHO 0x0200
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| 178 | #define MODE_INBIN 0x0400
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| 179 | #define MODE_OUTBIN 0x0800
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| 180 | #define MODE_FORCE 0x1000
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| 181 |
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| 182 | #define SLC_SYNCH 1
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| 183 | #define SLC_BRK 2
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| 184 | #define SLC_IP 3
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| 185 | #define SLC_AO 4
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| 186 | #define SLC_AYT 5
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| 187 | #define SLC_EOR 6
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| 188 | #define SLC_ABORT 7
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| 189 | #define SLC_EOF 8
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| 190 | #define SLC_SUSP 9
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| 191 | #define SLC_EC 10
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| 192 | #define SLC_EL 11
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| 193 | #define SLC_EW 12
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| 194 | #define SLC_RP 13
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| 195 | #define SLC_LNEXT 14
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| 196 | #define SLC_XON 15
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| 197 | #define SLC_XOFF 16
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| 198 | #define SLC_FORW1 17
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| 199 | #define SLC_FORW2 18
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| 200 | #define SLC_MCL 19
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| 201 | #define SLC_MCR 20
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| 202 | #define SLC_MCWL 21
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| 203 | #define SLC_MCWR 22
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| 204 | #define SLC_MCBOL 23
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| 205 | #define SLC_MCEOL 24
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| 206 | #define SLC_INSRT 25
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| 207 | #define SLC_OVER 26
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| 208 | #define SLC_ECR 27
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| 209 | #define SLC_EWR 28
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| 210 | #define SLC_EBOL 29
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| 211 | #define SLC_EEOL 30
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| 212 |
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| 213 | #define NSLC 30
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| 214 |
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| 215 | /*
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| 216 | * For backwards compatability, we define SLC_NAMES to be the
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| 217 | * list of names if SLC_NAMES is not defined.
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| 218 | */
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| 219 | #define SLC_NAMELIST "0", "SYNCH", "BRK", "IP", "AO", "AYT", "EOR", \
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| 220 | "ABORT", "EOF", "SUSP", "EC", "EL", "EW", "RP", \
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| 221 | "LNEXT", "XON", "XOFF", "FORW1", "FORW2", \
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| 222 | "MCL", "MCR", "MCWL", "MCWR", "MCBOL", \
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| 223 | "MCEOL", "INSRT", "OVER", "ECR", "EWR", \
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| 224 | "EBOL", "EEOL", \
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| 225 | 0
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| 226 |
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| 227 | #ifdef SLC_NAMES
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| 228 | char *slc_names[] = {
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| 229 | SLC_NAMELIST
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| 230 | };
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| 231 | #else
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| 232 | extern char *slc_names[];
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| 233 | #define SLC_NAMES SLC_NAMELIST
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| 234 | #endif
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| 235 |
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| 236 | #define SLC_NAME_OK(x) ((unsigned int)(x) <= NSLC)
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| 237 | #define SLC_NAME(x) slc_names[x]
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| 238 |
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| 239 | #define SLC_NOSUPPORT 0
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| 240 | #define SLC_CANTCHANGE 1
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| 241 | #define SLC_VARIABLE 2
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| 242 | #define SLC_DEFAULT 3
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| 243 | #define SLC_LEVELBITS 0x03
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| 244 |
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| 245 | #define SLC_FUNC 0
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| 246 | #define SLC_FLAGS 1
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| 247 | #define SLC_VALUE 2
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| 248 |
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| 249 | #define SLC_ACK 0x80
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| 250 | #define SLC_FLUSHIN 0x40
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| 251 | #define SLC_FLUSHOUT 0x20
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| 252 |
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| 253 | #define OLD_ENV_VAR 1
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| 254 | #define OLD_ENV_VALUE 0
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| 255 | #define NEW_ENV_VAR 0
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| 256 | #define NEW_ENV_VALUE 1
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| 257 | #define ENV_ESC 2
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| 258 | #define ENV_USERVAR 3
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| 259 |
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| 260 | /*
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| 261 | * AUTHENTICATION suboptions
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| 262 | */
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| 263 |
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| 264 | /*
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| 265 | * Who is authenticating who ...
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| 266 | */
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| 267 | #define AUTH_WHO_CLIENT 0 /* Client authenticating server */
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| 268 | #define AUTH_WHO_SERVER 1 /* Server authenticating client */
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| 269 | #define AUTH_WHO_MASK 1
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| 270 |
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| 271 | /*
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| 272 | * amount of authentication done
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| 273 | */
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| 274 | #define AUTH_HOW_ONE_WAY 0
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| 275 | #define AUTH_HOW_MUTUAL 2
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| 276 | #define AUTH_HOW_MASK 2
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| 277 |
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| 278 | #define AUTHTYPE_NULL 0
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| 279 | #define AUTHTYPE_KERBEROS_V4 1
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| 280 | #define AUTHTYPE_KERBEROS_V5 2
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| 281 | #define AUTHTYPE_SPX 3
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| 282 | #define AUTHTYPE_MINK 4
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| 283 | #define AUTHTYPE_CNT 5
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| 284 |
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| 285 | #define AUTHTYPE_TEST 99
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| 286 |
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| 287 | #ifdef AUTH_NAMES
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| 288 | char *authtype_names[] = {
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| 289 | "NULL", "KERBEROS_V4", "KERBEROS_V5", "SPX", "MINK",
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| 290 | 0
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| 291 | };
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| 292 | #else
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| 293 | extern char *authtype_names[];
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| 294 | #endif
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| 295 |
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| 296 | #define AUTHTYPE_NAME_OK(x) ((unsigned int)(x) < AUTHTYPE_CNT)
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| 297 | #define AUTHTYPE_NAME(x) authtype_names[x]
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| 298 |
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| 299 | /*
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| 300 | * ENCRYPTion suboptions
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| 301 | */
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| 302 | #define ENCRYPT_IS 0 /* I pick encryption type ... */
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| 303 | #define ENCRYPT_SUPPORT 1 /* I support encryption types ... */
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| 304 | #define ENCRYPT_REPLY 2 /* Initial setup response */
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| 305 | #define ENCRYPT_START 3 /* Am starting to send encrypted */
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| 306 | #define ENCRYPT_END 4 /* Am ending encrypted */
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| 307 | #define ENCRYPT_REQSTART 5 /* Request you start encrypting */
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| 308 | #define ENCRYPT_REQEND 6 /* Request you end encrypting */
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| 309 | #define ENCRYPT_ENC_KEYID 7
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| 310 | #define ENCRYPT_DEC_KEYID 8
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| 311 | #define ENCRYPT_CNT 9
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| 312 |
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| 313 | #define ENCTYPE_ANY 0
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| 314 | #define ENCTYPE_DES_CFB64 1
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| 315 | #define ENCTYPE_DES_OFB64 2
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| 316 | #define ENCTYPE_CNT 3
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| 317 |
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| 318 | #ifdef ENCRYPT_NAMES
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| 319 | char *encrypt_names[] = {
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| 320 | "IS", "SUPPORT", "REPLY", "START", "END",
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| 321 | "REQUEST-START", "REQUEST-END", "ENC-KEYID", "DEC-KEYID",
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| 322 | 0
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| 323 | };
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| 324 | char *enctype_names[] = {
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| 325 | "ANY", "DES_CFB64", "DES_OFB64",
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| 326 | 0
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| 327 | };
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| 328 | #else
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| 329 | extern char *encrypt_names[];
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| 330 | extern char *enctype_names[];
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| 331 | #endif
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| 332 |
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| 333 |
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| 334 | #define ENCRYPT_NAME_OK(x) ((unsigned int)(x) < ENCRYPT_CNT)
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| 335 | #define ENCRYPT_NAME(x) encrypt_names[x]
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| 336 |
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| 337 | #define ENCTYPE_NAME_OK(x) ((unsigned int)(x) < ENCTYPE_CNT)
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| 338 | #define ENCTYPE_NAME(x) enctype_names[x]
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| 339 |
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| 340 | #endif /* !_TELNET_H_ */
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