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001: /*
002:  * Copyright (c) 1983, 1993
003:  *      The Regents of the University of California.  All rights reserved.
004:  *
005:  * Redistribution and use in source and binary forms, with or without
006:  * modification, are permitted provided that the following conditions
007:  * are met:
008:  * 1. Redistributions of source code must retain the above copyright
009:  *    notice, this list of conditions and the following disclaimer.
010:  * 2. Redistributions in binary form must reproduce the above copyright
011:  *    notice, this list of conditions and the following disclaimer in the
012:  *    documentation and/or other materials provided with the distribution.
013:  * 4. Neither the name of the University nor the names of its contributors
014:  *    may be used to endorse or promote products derived from this software
015:  *    without specific prior written permission.
016:  *
017:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
018:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
019:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
020:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
021:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
022:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
023:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
024:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
025:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
026:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
027:  * SUCH DAMAGE.
028:  *
029:  *      @(#)telnet.h    8.2 (Berkeley) 12/15/93
030:  */
031: 
032: #ifndef _ARPA_TELNET_H
033: #define _ARPA_TELNET_H 1
034: 
035: /*
036:  * Definitions for the TELNET protocol.
037:  */
038: #define IAC     255             /* interpret as command: */
039: #define DONT    254             /* you are not to use option */
040: #define DO      253             /* please, you use option */
041: #define WONT    252             /* I won't use option */
042: #define WILL    251             /* I will use option */
043: #define SB      250             /* interpret as subnegotiation */
044: #define GA      249             /* you may reverse the line */
045: #define EL      248             /* erase the current line */
046: #define EC      247             /* erase the current character */
047: #define AYT     246             /* are you there */
048: #define AO      245             /* abort output--but let prog finish */
049: #define IP      244             /* interrupt process--permanently */
050: #define BREAK   243             /* break */
051: #define DM      242             /* data mark--for connect. cleaning */
052: #define NOP     241             /* nop */
053: #define SE      240             /* end sub negotiation */
054: #define EOR     239             /* end of record (transparent mode) */
055: #define ABORT   238             /* Abort process */
056: #define SUSP    237             /* Suspend process */
057: #define xEOF    236             /* End of file: EOF is already used... */
058: 
059: #define SYNCH   242             /* for telfunc calls */
060: 
061: #ifdef TELCMDS
062: char *telcmds[] = {
063:         "EOF", "SUSP", "ABORT", "EOR",
064:         "SE", "NOP", "DMARK", "BRK", "IP", "AO", "AYT", "EC",
065:         "EL", "GA", "SB", "WILL", "WONT", "DO", "DONT", "IAC", 0,
066: };
067: #else
068: extern char *telcmds[];
069: #endif
070: 
071: #define TELCMD_FIRST    xEOF
072: #define TELCMD_LAST     IAC
073: #define TELCMD_OK(x)    ((unsigned int)(x) <= TELCMD_LAST && \
074:                          (unsigned int)(x) >= TELCMD_FIRST)
075: #define TELCMD(x)       telcmds[(x)-TELCMD_FIRST]
076: 
077: /* telnet options */
078: #define TELOPT_BINARY   0       /* 8-bit data path */
079: #define TELOPT_ECHO     1       /* echo */
080: #define TELOPT_RCP      2       /* prepare to reconnect */
081: #define TELOPT_SGA      3       /* suppress go ahead */
082: #define TELOPT_NAMS     4       /* approximate message size */
083: #define TELOPT_STATUS   5       /* give status */
084: #define TELOPT_TM       6       /* timing mark */
085: #define TELOPT_RCTE     7       /* remote controlled transmission and echo */
086: #define TELOPT_NAOL     8       /* negotiate about output line width */
087: #define TELOPT_NAOP     9       /* negotiate about output page size */
088: #define TELOPT_NAOCRD   10      /* negotiate about CR disposition */
089: #define TELOPT_NAOHTS   11      /* negotiate about horizontal tabstops */
090: #define TELOPT_NAOHTD   12      /* negotiate about horizontal tab disposition */
091: #define TELOPT_NAOFFD   13      /* negotiate about formfeed disposition */
092: #define TELOPT_NAOVTS   14      /* negotiate about vertical tab stops */
093: #define TELOPT_NAOVTD   15      /* negotiate about vertical tab disposition */
094: #define TELOPT_NAOLFD   16      /* negotiate about output LF disposition */
095: #define TELOPT_XASCII   17      /* extended ascii character set */
096: #define TELOPT_LOGOUT   18      /* force logout */
097: #define TELOPT_BM       19      /* byte macro */
098: #define TELOPT_DET      20      /* data entry terminal */
099: #define TELOPT_SUPDUP   21      /* supdup protocol */
100: #define TELOPT_SUPDUPOUTPUT 22  /* supdup output */
101: #define TELOPT_SNDLOC   23      /* send location */
102: #define TELOPT_TTYPE    24      /* terminal type */
103: #define TELOPT_EOR      25      /* end or record */
104: #define TELOPT_TUID     26      /* TACACS user identification */
105: #define TELOPT_OUTMRK   27      /* output marking */
106: #define TELOPT_TTYLOC   28      /* terminal location number */
107: #define TELOPT_3270REGIME 29    /* 3270 regime */
108: #define TELOPT_X3PAD    30      /* X.3 PAD */
109: #define TELOPT_NAWS     31      /* window size */
110: #define TELOPT_TSPEED   32      /* terminal speed */
111: #define TELOPT_LFLOW    33      /* remote flow control */
112: #define TELOPT_LINEMODE 34      /* Linemode option */
113: #define TELOPT_XDISPLOC 35      /* X Display Location */
114: #define TELOPT_OLD_ENVIRON 36   /* Old - Environment variables */
115: #define TELOPT_AUTHENTICATION 37/* Authenticate */
116: #define TELOPT_ENCRYPT  38      /* Encryption option */
117: #define TELOPT_NEW_ENVIRON 39   /* New - Environment variables */
118: #define TELOPT_EXOPL    255     /* extended-options-list */
119: 
120: 
121: #define NTELOPTS        (1+TELOPT_NEW_ENVIRON)
122: #ifdef TELOPTS
123: char *telopts[NTELOPTS+1] = {
124:         "BINARY", "ECHO", "RCP", "SUPPRESS GO AHEAD", "NAME",
125:         "STATUS", "TIMING MARK", "RCTE", "NAOL", "NAOP",
126:         "NAOCRD", "NAOHTS", "NAOHTD", "NAOFFD", "NAOVTS",
127:         "NAOVTD", "NAOLFD", "EXTEND ASCII", "LOGOUT", "BYTE MACRO",
128:         "DATA ENTRY TERMINAL", "SUPDUP", "SUPDUP OUTPUT",
129:         "SEND LOCATION", "TERMINAL TYPE", "END OF RECORD",
130:         "TACACS UID", "OUTPUT MARKING", "TTYLOC",
131:         "3270 REGIME", "X.3 PAD", "NAWS", "TSPEED", "LFLOW",
132:         "LINEMODE", "XDISPLOC", "OLD-ENVIRON", "AUTHENTICATION",
133:         "ENCRYPT", "NEW-ENVIRON",
134:         0,
135: };
136: #define TELOPT_FIRST    TELOPT_BINARY
137: #define TELOPT_LAST     TELOPT_NEW_ENVIRON
138: #define TELOPT_OK(x)    ((unsigned int)(x) <= TELOPT_LAST)
139: #define TELOPT(x)       telopts[(x)-TELOPT_FIRST]
140: #endif
141: 
142: /* sub-option qualifiers */
143: #define TELQUAL_IS      0       /* option is... */
144: #define TELQUAL_SEND    1       /* send option */
145: #define TELQUAL_INFO    2       /* ENVIRON: informational version of IS */
146: #define TELQUAL_REPLY   2       /* AUTHENTICATION: client version of IS */
147: #define TELQUAL_NAME    3       /* AUTHENTICATION: client version of IS */
148: 
149: #define LFLOW_OFF               0       /* Disable remote flow control */
150: #define LFLOW_ON                1       /* Enable remote flow control */
151: #define LFLOW_RESTART_ANY       2       /* Restart output on any char */
152: #define LFLOW_RESTART_XON       3       /* Restart output only on XON */
153: 
154: /*
155:  * LINEMODE suboptions
156:  */
157: 
158: #define LM_MODE         1
159: #define LM_FORWARDMASK  2
160: #define LM_SLC          3
161: 
162: #define MODE_EDIT       0x01
163: #define MODE_TRAPSIG    0x02
164: #define MODE_ACK        0x04
165: #define MODE_SOFT_TAB   0x08
166: #define MODE_LIT_ECHO   0x10
167: 
168: #define MODE_MASK       0x1f
169: 
170: /* Not part of protocol, but needed to simplify things... */
171: #define MODE_FLOW               0x0100
172: #define MODE_ECHO               0x0200
173: #define MODE_INBIN              0x0400
174: #define MODE_OUTBIN             0x0800
175: #define MODE_FORCE              0x1000
176: 
177: #define SLC_SYNCH       1
178: #define SLC_BRK         2
179: #define SLC_IP          3
180: #define SLC_AO          4
181: #define SLC_AYT         5
182: #define SLC_EOR         6
183: #define SLC_ABORT       7
184: #define SLC_EOF         8
185: #define SLC_SUSP        9
186: #define SLC_EC          10
187: #define SLC_EL          11
188: #define SLC_EW          12
189: #define SLC_RP          13
190: #define SLC_LNEXT       14
191: #define SLC_XON         15
192: #define SLC_XOFF        16
193: #define SLC_FORW1       17
194: #define SLC_FORW2       18
195: 
196: #define NSLC            18
197: 
198: /*
199:  * For backwards compatibility, we define SLC_NAMES to be the
200:  * list of names if SLC_NAMES is not defined.
201:  */
202: #define SLC_NAMELIST    "0", "SYNCH", "BRK", "IP", "AO", "AYT", "EOR", \
203:                         "ABORT", "EOF", "SUSP", "EC", "EL", "EW", "RP", \
204:                         "LNEXT", "XON", "XOFF", "FORW1", "FORW2", 0,
205: #ifdef  SLC_NAMES
206: char *slc_names[] = {
207:         SLC_NAMELIST
208: };
209: #else
210: extern char *slc_names[];
211: #define SLC_NAMES SLC_NAMELIST
212: #endif
213: 
214: #define SLC_NAME_OK(x)  ((unsigned int)(x) <= NSLC)
215: #define SLC_NAME(x)     slc_names[x]
216: 
217: #define SLC_NOSUPPORT   0
218: #define SLC_CANTCHANGE  1
219: #define SLC_VARIABLE    2
220: #define SLC_DEFAULT     3
221: #define SLC_LEVELBITS   0x03
222: 
223: #define SLC_FUNC        0
224: #define SLC_FLAGS       1
225: #define SLC_VALUE       2
226: 
227: #define SLC_ACK         0x80
228: #define SLC_FLUSHIN     0x40
229: #define SLC_FLUSHOUT    0x20
230: 
231: #define OLD_ENV_VAR     1
232: #define OLD_ENV_VALUE   0
233: #define NEW_ENV_VAR     0
234: #define NEW_ENV_VALUE   1
235: #define ENV_ESC         2
236: #define ENV_USERVAR     3
237: 
238: /*
239:  * AUTHENTICATION suboptions
240:  */
241: 
242: /*
243:  * Who is authenticating who ...
244:  */
245: #define AUTH_WHO_CLIENT         0       /* Client authenticating server */
246: #define AUTH_WHO_SERVER         1       /* Server authenticating client */
247: #define AUTH_WHO_MASK           1
248: 
249: /*
250:  * amount of authentication done
251:  */
252: #define AUTH_HOW_ONE_WAY        0
253: #define AUTH_HOW_MUTUAL         2
254: #define AUTH_HOW_MASK           2
255: 
256: #define AUTHTYPE_NULL           0
257: #define AUTHTYPE_KERBEROS_V4    1
258: #define AUTHTYPE_KERBEROS_V5    2
259: #define AUTHTYPE_SPX            3
260: #define AUTHTYPE_MINK           4
261: #define AUTHTYPE_CNT            5
262: 
263: #define AUTHTYPE_TEST           99
264: 
265: #ifdef  AUTH_NAMES
266: char *authtype_names[] = {
267:         "NULL", "KERBEROS_V4", "KERBEROS_V5", "SPX", "MINK", 0,
268: };
269: #else
270: extern char *authtype_names[];
271: #endif
272: 
273: #define AUTHTYPE_NAME_OK(x)     ((unsigned int)(x) < AUTHTYPE_CNT)
274: #define AUTHTYPE_NAME(x)        authtype_names[x]
275: 
276: /*
277:  * ENCRYPTion suboptions
278:  */
279: #define ENCRYPT_IS              0       /* I pick encryption type ... */
280: #define ENCRYPT_SUPPORT         1       /* I support encryption types ... */
281: #define ENCRYPT_REPLY           2       /* Initial setup response */
282: #define ENCRYPT_START           3       /* Am starting to send encrypted */
283: #define ENCRYPT_END             4       /* Am ending encrypted */
284: #define ENCRYPT_REQSTART        5       /* Request you start encrypting */
285: #define ENCRYPT_REQEND          6       /* Request you send encrypting */
286: #define ENCRYPT_ENC_KEYID       7
287: #define ENCRYPT_DEC_KEYID       8
288: #define ENCRYPT_CNT             9
289: 
290: #define ENCTYPE_ANY             0
291: #define ENCTYPE_DES_CFB64       1
292: #define ENCTYPE_DES_OFB64       2
293: #define ENCTYPE_CNT             3
294: 
295: #ifdef  ENCRYPT_NAMES
296: char *encrypt_names[] = {
297:         "IS", "SUPPORT", "REPLY", "START", "END",
298:         "REQUEST-START", "REQUEST-END", "ENC-KEYID", "DEC-KEYID",
299:         0,
300: };
301: char *enctype_names[] = {
302:         "ANY", "DES_CFB64",  "DES_OFB64",  0,
303: };
304: #else
305: extern char *encrypt_names[];
306: extern char *enctype_names[];
307: #endif
308: 
309: 
310: #define ENCRYPT_NAME_OK(x)      ((unsigned int)(x) < ENCRYPT_CNT)
311: #define ENCRYPT_NAME(x)         encrypt_names[x]
312: 
313: #define ENCTYPE_NAME_OK(x)      ((unsigned int)(x) < ENCTYPE_CNT)
314: #define ENCTYPE_NAME(x)         enctype_names[x]
315: 
316: #endif /* arpa/telnet.h */
317: 

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