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authorDaniel Stenberg <daniel@haxx.se>2001-08-03 15:11:28 +0000
committerDaniel Stenberg <daniel@haxx.se>2001-08-03 15:11:28 +0000
commit3a145180cc754a5959ca971ef3cd243c5c83fc51 (patch)
treedd67407b9189027e6590b663bff10161f22f05e6
parentf24d54a9c4546d845226b4d0dd7700651e0011dd (diff)
complete rewrite to avoid the BSD license in the previous version
-rw-r--r--lib/arpa_telnet.h370
1 files changed, 75 insertions, 295 deletions
diff --git a/lib/arpa_telnet.h b/lib/arpa_telnet.h
index 7c1c3b02b..1f1890fb7 100644
--- a/lib/arpa_telnet.h
+++ b/lib/arpa_telnet.h
@@ -1,321 +1,101 @@
-/*
- * Copyright (c) 1983, 1993
- * The Regents of the University of California. All rights reserved.
+#ifndef __ARPA_TELNET_H
+#define __ARPA_TELNET_H
+/*****************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
+ * Copyright (C) 2001, Daniel Stenberg, <daniel@haxx.se>, et al.
*
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
+ * In order to be useful for every potential user, curl and libcurl are
+ * dual-licensed under the MPL and the MIT/X-derivate licenses.
*
- * @(#)telnet.h 8.2 (Berkeley) 12/15/93
- */
-
-#ifndef _ARPA_TELNET_H
-#define _ARPA_TELNET_H
-
-/*
- * 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
-static
-char *telcmds[] = {
- "EOF", "SUSP", "ABORT", "EOR",
- "SE", "NOP", "DMARK", "BRK", "IP", "AO", "AYT", "EC",
- "EL", "GA", "SB", "WILL", "WONT", "DO", "DONT", "IAC", 0,
-};
-#else
-extern char *telcmds[];
-#endif
-
-#define TELCMD_FIRST xEOF
-#define TELCMD_LAST IAC
-#define TELCMD_OK(x) ((unsigned int)(x) <= TELCMD_LAST && \
- (unsigned int)(x) >= TELCMD_FIRST)
-#define TELCMD(x) telcmds[(x)-TELCMD_FIRST]
-
-/* 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_XDISPLOC 35 /* X Display Location */
-#define TELOPT_OLD_ENVIRON 36 /* Old - Environment variables */
-#define TELOPT_AUTHENTICATION 37/* Authenticate */
-#define TELOPT_ENCRYPT 38 /* Encryption option */
-#define TELOPT_NEW_ENVIRON 39 /* New - Environment variables */
-#define TELOPT_EXOPL 255 /* extended-options-list */
-
-
-#define NTELOPTS (1+TELOPT_NEW_ENVIRON)
-#ifdef TELOPTS
-static
-char *telopts[NTELOPTS+1] = {
- "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", "XDISPLOC", "OLD-ENVIRON", "AUTHENTICATION",
- "ENCRYPT", "NEW-ENVIRON",
- 0,
-};
-#define TELOPT_FIRST TELOPT_BINARY
-#define TELOPT_LAST TELOPT_NEW_ENVIRON
-#define TELOPT_OK(x) ((unsigned int)(x) <= TELOPT_LAST)
-#define TELOPT(x) telopts[(x)-TELOPT_FIRST]
-#endif
-
-/* sub-option qualifiers */
-#define TELQUAL_IS 0 /* option is... */
-#define TELQUAL_SEND 1 /* send option */
-#define TELQUAL_INFO 2 /* ENVIRON: informational version of IS */
-#define TELQUAL_REPLY 2 /* AUTHENTICATION: client version of IS */
-#define TELQUAL_NAME 3 /* AUTHENTICATION: client version of IS */
-
-#define LFLOW_OFF 0 /* Disable remote flow control */
-#define LFLOW_ON 1 /* Enable remote flow control */
-#define LFLOW_RESTART_ANY 2 /* Restart output on any char */
-#define LFLOW_RESTART_XON 3 /* Restart output only on XON */
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the MPL or the MIT/X-derivate
+ * licenses. You may pick one of these licenses.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * $Id$
+ *****************************************************************************/
/*
- * LINEMODE suboptions
+ * Telnet option defines. Add more here if in need.
*/
+#define TELOPT_BINARY 0 /* binary 8bit data */
+#define TELOPT_SGA 3 /* Supress Go Ahead */
+#define TELOPT_EXOPL 255 /* EXtended OPtions List */
+#define TELOPT_TTYPE 24 /* Terminal TYPE */
+#define TELOPT_XDISPLOC 35 /* X DISPlay LOCation */
-#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_SOFT_TAB 0x08
-#define MODE_LIT_ECHO 0x10
-
-#define MODE_MASK 0x1f
-
-/* 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 TELOPT_NEW_ENVIRON 39 /* NEW ENVIRONment variables */
+#define NEW_ENV_VAR 0
+#define NEW_ENV_VALUE 1
/*
- * For backwards compatability, we define SLC_NAMES to be the
- * list of names if SLC_NAMES is not defined.
+ * The telnet options represented as strings
*/
-#define SLC_NAMELIST "0", "SYNCH", "BRK", "IP", "AO", "AYT", "EOR", \
- "ABORT", "EOF", "SUSP", "EC", "EL", "EW", "RP", \
- "LNEXT", "XON", "XOFF", "FORW1", "FORW2", 0,
-#ifdef SLC_NAMES
-char *slc_names[] = {
- SLC_NAMELIST
+static char *telnetoptions[]=
+{
+ "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",
+ "DE TERMINAL", "SUPDUP", "SUPDUP OUTPUT", "SEND LOCATION",
+ "TERM TYPE", "END OF RECORD", "TACACS UID", "OUTPUT MARKING",
+ "TTYLOC", "3270 REGIME", "X3 PAD", "NAWS",
+ "TERM SPEED", "LFLOW", "LINEMODE", "XDISPLOC",
+ "OLD-ENVIRON", "AUTHENTICATION", "ENCRYPT", "NEW-ENVIRON"
};
-#else
-extern char *slc_names[];
-#define SLC_NAMES SLC_NAMELIST
-#endif
-
-#define SLC_NAME_OK(x) ((unsigned int)(x) <= NSLC)
-#define SLC_NAME(x) slc_names[x]
-#define SLC_NOSUPPORT 0
-#define SLC_CANTCHANGE 1
-#define SLC_VARIABLE 2
-#define SLC_DEFAULT 3
-#define SLC_LEVELBITS 0x03
+#define TELOPT_MAXIMUM TELOPT_NEW_ENVIRON
-#define SLC_FUNC 0
-#define SLC_FLAGS 1
-#define SLC_VALUE 2
+#define TELOPT_OK(x) ((x) <= TELOPT_MAXIMUM)
+#define TELOPT(x) telnetoptions[x]
-#define SLC_ACK 0x80
-#define SLC_FLUSHIN 0x40
-#define SLC_FLUSHOUT 0x20
-
-#define OLD_ENV_VAR 1
-#define OLD_ENV_VALUE 0
-#define NEW_ENV_VAR 0
-#define NEW_ENV_VALUE 1
-#define ENV_ESC 2
-#define ENV_USERVAR 3
+#define NTELOPTS 40
/*
- * AUTHENTICATION suboptions
+ * First some defines
*/
+#define xEOF 236 /* End Of File */
+#define SE 240 /* Sub negotiation End */
+#define NOP 241 /* No OPeration */
+#define DM 242 /* Data Mark */
+#define GA 249 /* Go Ahead, reverse the line */
+#define SB 250 /* SuBnegotiation */
+#define WILL 251 /* Our side WILL use this option */
+#define WONT 252 /* Our side WON'T use this option */
+#define DO 253 /* DO use this option! */
+#define DONT 254 /* DON'T use this option! */
+#define IAC 255 /* Interpret As Command */
/*
- * Who is authenticating who ...
+ * Then those numbers represented as strings:
*/
-#define AUTH_WHO_CLIENT 0 /* Client authenticating server */
-#define AUTH_WHO_SERVER 1 /* Server authenticating client */
-#define AUTH_WHO_MASK 1
-
-/*
- * amount of authentication done
- */
-#define AUTH_HOW_ONE_WAY 0
-#define AUTH_HOW_MUTUAL 2
-#define AUTH_HOW_MASK 2
-
-#define AUTHTYPE_NULL 0
-#define AUTHTYPE_KERBEROS_V4 1
-#define AUTHTYPE_KERBEROS_V5 2
-#define AUTHTYPE_SPX 3
-#define AUTHTYPE_MINK 4
-#define AUTHTYPE_CNT 5
-
-#define AUTHTYPE_TEST 99
-
-#ifdef AUTH_NAMES
-char *authtype_names[] = {
- "NULL", "KERBEROS_V4", "KERBEROS_V5", "SPX", "MINK", 0,
+static char *telnetcmds[]=
+{
+ "EOF", "SUSP", "ABORT", "EOR", "SE",
+ "NOP", "DMARK", "BRK", "IP", "AO",
+ "AYT", "EC", "EL", "GA", "SB",
+ "WILL", "WONT", "DO", "DONT", "IAC"
};
-#else
-extern char *authtype_names[];
-#endif
-#define AUTHTYPE_NAME_OK(x) ((unsigned int)(x) < AUTHTYPE_CNT)
-#define AUTHTYPE_NAME(x) authtype_names[x]
+#define TELCMD_MINIMUM xEOF /* the first one */
+#define TELCMD_MAXIMUM IAC /* surprise, 255 is the last one! ;-) */
-/*
- * ENCRYPTion suboptions
- */
-#define ENCRYPT_IS 0 /* I pick encryption type ... */
-#define ENCRYPT_SUPPORT 1 /* I support encryption types ... */
-#define ENCRYPT_REPLY 2 /* Initial setup response */
-#define ENCRYPT_START 3 /* Am starting to send encrypted */
-#define ENCRYPT_END 4 /* Am ending encrypted */
-#define ENCRYPT_REQSTART 5 /* Request you start encrypting */
-#define ENCRYPT_REQEND 6 /* Request you send encrypting */
-#define ENCRYPT_ENC_KEYID 7
-#define ENCRYPT_DEC_KEYID 8
-#define ENCRYPT_CNT 9
+#define TELQUAL_IS 0
+#define TELQUAL_SEND 1
+#define TELQUAL_INFO 2
+#define TELQUAL_NAME 3
-#define ENCTYPE_ANY 0
-#define ENCTYPE_DES_CFB64 1
-#define ENCTYPE_DES_OFB64 2
-#define ENCTYPE_CNT 3
+#define TELCMD_OK(x) ( ((unsigned int)(x) >= TELCMD_MINIMUM) && \
+ ((unsigned int)(x) <= TELCMD_MAXIMUM) )
+#define TELCMD(x) telnetcmds[(x)-TELCMD_MINIMUM]
-#ifdef ENCRYPT_NAMES
-char *encrypt_names[] = {
- "IS", "SUPPORT", "REPLY", "START", "END",
- "REQUEST-START", "REQUEST-END", "ENC-KEYID", "DEC-KEYID",
- 0,
-};
-char *enctype_names[] = {
- "ANY", "DES_CFB64", "DES_OFB64", 0,
-};
-#else
-extern char *encrypt_names[];
-extern char *enctype_names[];
#endif
-
-
-#define ENCRYPT_NAME_OK(x) ((unsigned int)(x) < ENCRYPT_CNT)
-#define ENCRYPT_NAME(x) encrypt_names[x]
-
-#define ENCTYPE_NAME_OK(x) ((unsigned int)(x) < ENCTYPE_CNT)
-#define ENCTYPE_NAME(x) enctype_names[x]
-#endif /* _ARPA_TELNET_H */