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- /*
- * Copyright (c) 1983 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- *
- * @(#)telnet.h 5.7 (Berkeley) 11/14/89
- */
-
- /*
- * Definitions for the TELNET protocol.
- */
- #define IAC 255 /* interpret as command: */
- #define DONT 254 /* you are not to use option */
- #define DO 253 /* please, you use option */
- #define WONT 252 /* I won't use option */
- #define WILL 251 /* I will use option */
- #define SB 250 /* interpret as subnegotiation */
- #define GA 249 /* you may reverse the line */
- #define EL 248 /* erase the current line */
- #define EC 247 /* erase the current character */
- #define AYT 246 /* are you there */
- #define AO 245 /* abort output--but let prog finish */
- #define IP 244 /* interrupt process--permanently */
- #define BREAK 243 /* break */
- #define DM 242 /* data mark--for connect. cleaning */
- #define NOP 241 /* nop */
- #define SE 240 /* end sub negotiation */
- #define EOR 239 /* end of record (transparent mode) */
- #define ABORT 238 /* Abort process */
- #define SUSP 237 /* Suspend process */
- #define xEOF 236 /* End of file: EOF is already used... */
-
- #define SYNCH 242 /* for telfunc calls */
-
- #ifdef TELCMDS
- char *telcmds[] = {
- "EOF", "SUSP", "ABORT", "EOR",
- "SE", "NOP", "DMARK", "BRK", "IP", "AO", "AYT", "EC",
- "EL", "GA", "SB", "WILL", "WONT", "DO", "DONT", "IAC",
- };
- #define TELCMD_FIRST xEOF
- #define TELCMD_LAST IAC
- #define TELCMD_OK(x) ((x) <= TELCMD_LAST && (x) >= TELCMD_FIRST)
- #define TELCMD(x) telcmds[(x)-TELCMD_FIRST]
- #endif
-
- /* telnet options */
- #define TELOPT_BINARY 0 /* 8-bit data path */
- #define TELOPT_ECHO 1 /* echo */
- #define TELOPT_RCP 2 /* prepare to reconnect */
- #define TELOPT_SGA 3 /* suppress go ahead */
- #define TELOPT_NAMS 4 /* approximate message size */
- #define TELOPT_STATUS 5 /* give status */
- #define TELOPT_TM 6 /* timing mark */
- #define TELOPT_RCTE 7 /* remote controlled transmission and echo */
- #define TELOPT_NAOL 8 /* negotiate about output line width */
- #define TELOPT_NAOP 9 /* negotiate about output page size */
- #define TELOPT_NAOCRD 10 /* negotiate about CR disposition */
- #define TELOPT_NAOHTS 11 /* negotiate about horizontal tabstops */
- #define TELOPT_NAOHTD 12 /* negotiate about horizontal tab disposition */
- #define TELOPT_NAOFFD 13 /* negotiate about formfeed disposition */
- #define TELOPT_NAOVTS 14 /* negotiate about vertical tab stops */
- #define TELOPT_NAOVTD 15 /* negotiate about vertical tab disposition */
- #define TELOPT_NAOLFD 16 /* negotiate about output LF disposition */
- #define TELOPT_XASCII 17 /* extended ascic character set */
- #define TELOPT_LOGOUT 18 /* force logout */
- #define TELOPT_BM 19 /* byte macro */
- #define TELOPT_DET 20 /* data entry terminal */
- #define TELOPT_SUPDUP 21 /* supdup protocol */
- #define TELOPT_SUPDUPOUTPUT 22 /* supdup output */
- #define TELOPT_SNDLOC 23 /* send location */
- #define TELOPT_TTYPE 24 /* terminal type */
- #define TELOPT_EOR 25 /* end or record */
- #define TELOPT_TUID 26 /* TACACS user identification */
- #define TELOPT_OUTMRK 27 /* output marking */
- #define TELOPT_TTYLOC 28 /* terminal location number */
- #define TELOPT_3270REGIME 29 /* 3270 regime */
- #define TELOPT_X3PAD 30 /* X.3 PAD */
- #define TELOPT_NAWS 31 /* window size */
- #define TELOPT_TSPEED 32 /* terminal speed */
- #define TELOPT_LFLOW 33 /* remote flow control */
- #define TELOPT_LINEMODE 34 /* Linemode option */
- #define TELOPT_EXOPL 255 /* extended-options-list */
-
- #define NTELOPTS (1+TELOPT_LINEMODE)
- #ifdef TELOPTS
- char *telopts[NTELOPTS] = {
- "BINARY", "ECHO", "RCP", "SUPPRESS GO AHEAD", "NAME",
- "STATUS", "TIMING MARK", "RCTE", "NAOL", "NAOP",
- "NAOCRD", "NAOHTS", "NAOHTD", "NAOFFD", "NAOVTS",
- "NAOVTD", "NAOLFD", "EXTEND ASCII", "LOGOUT", "BYTE MACRO",
- "DATA ENTRY TERMINAL", "SUPDUP", "SUPDUP OUTPUT",
- "SEND LOCATION", "TERMINAL TYPE", "END OF RECORD",
- "TACACS UID", "OUTPUT MARKING", "TTYLOC",
- "3270 REGIME", "X.3 PAD", "NAWS", "TSPEED", "LFLOW",
- "LINEMODE",
- };
- #define TELOPT_FIRST TELOPT_BINARY
- #define TELOPT_LAST TELOPT_LINEMODE
- #define TELOPT_OK(x) ((x) <= TELOPT_LAST && (x) >= TELOPT_FIRST)
- #define TELOPT(x) telopts[(x)-TELOPT_FIRST]
- #endif
-
- /* sub-option qualifiers */
- #define TELQUAL_IS 0 /* option is... */
- #define TELQUAL_SEND 1 /* send option */
-
- /*
- * LINEMODE suboptions
- */
-
- #define LM_MODE 1
- #define LM_FORWARDMASK 2
- #define LM_SLC 3
-
- #define MODE_EDIT 0x01
- #define MODE_TRAPSIG 0x02
- #define MODE_ACK 0x04
-
- #define MODE_MASK (MODE_EDIT|MODE_TRAPSIG|MODE_ACK)
-
- /* Not part of protocol, but needed to simplify things... */
- #define MODE_FLOW 0x0100
- #define MODE_ECHO 0x0200
- #define MODE_INBIN 0x0400
- #define MODE_OUTBIN 0x0800
- #define MODE_FORCE 0x1000
-
- #define SLC_SYNCH 1
- #define SLC_BRK 2
- #define SLC_IP 3
- #define SLC_AO 4
- #define SLC_AYT 5
- #define SLC_EOR 6
- #define SLC_ABORT 7
- #define SLC_EOF 8
- #define SLC_SUSP 9
- #define SLC_EC 10
- #define SLC_EL 11
- #define SLC_EW 12
- #define SLC_RP 13
- #define SLC_LNEXT 14
- #define SLC_XON 15
- #define SLC_XOFF 16
- #define SLC_FORW1 17
- #define SLC_FORW2 18
-
- #define NSLC 18
-
- #define SLC_NAMES "0", "SYNCH", "BRK", "IP", "AO", "AYT", "EOR", \
- "ABORT", "EOF", "SUSP", "EC", "EL", "EW", "RP", \
- "LNEXT", "XON", "XOFF", "FORW1", "FORW2"
-
- #define SLC_NOSUPPORT 0
- #define SLC_CANTCHANGE 1
- #define SLC_VARIABLE 2
- #define SLC_DEFAULT 3
- #define SLC_LEVELBITS 0x03
-
- #define SLC_FUNC 0
- #define SLC_FLAGS 1
- #define SLC_VALUE 2
-
- #define SLC_ACK 0x80
- #define SLC_FLUSHIN 0x40
- #define SLC_FLUSHOUT 0x20
-