Add baud rate support to telnet(1)
This implements part of RFC-2217 It's based off a patch originally written by Sujal Patel at Isilon, and contributions from other Isilon employees. PR: 173728 Phabric: D995 Reviewed by: markj, markm MFC after: 2 weeks Sponsored by: EMC / Isilon Storage Division git-svn-id: http://svn0.us-east.freebsd.org/base/head/contrib/telnet@274364 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
This commit is contained in:
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@ -127,6 +127,7 @@ extern char *telcmds[];
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#define TELOPT_KERMIT 47 /* RFC2840 - Kermit */
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#define TELOPT_KERMIT 47 /* RFC2840 - Kermit */
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#define TELOPT_EXOPL 255 /* extended-options-list */
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#define TELOPT_EXOPL 255 /* extended-options-list */
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#define COMPORT_SET_BAUDRATE 1 /* RFC2217 - Com Port Set Baud Rate */
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#define NTELOPTS (1+TELOPT_KERMIT)
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#define NTELOPTS (1+TELOPT_KERMIT)
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#ifdef TELOPTS
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#ifdef TELOPTS
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@ -0,0 +1,121 @@
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/*
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* Copyright (c) 2014 EMC Corporation
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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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*
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* THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL 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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* $FreeBSD$
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*/
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/*
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* Try to guess whether speeds are "encoded" (4.2BSD) or just numeric (4.4BSD).
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*/
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#if B4800 != 4800
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#define DECODE_BAUD
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#endif
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#ifdef DECODE_BAUD
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#ifndef B7200
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#define B7200 B4800
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#endif
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#ifndef B14400
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#define B14400 B9600
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#endif
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#ifndef B19200
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#define B19200 B14400
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#endif
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#ifndef B28800
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#define B28800 B19200
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#endif
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#ifndef B38400
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#define B38400 B28800
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#endif
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#ifndef B57600
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#define B57600 B38400
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#endif
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#ifndef B76800
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#define B76800 B57600
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#endif
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#ifndef B115200
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#define B115200 B76800
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#endif
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#ifndef B115200
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#define B115200 B76800
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#endif
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#endif
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#ifndef B230400
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#define B230400 B115200
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#endif
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/*
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* A table of available terminal speeds
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*/
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struct termspeeds termspeeds[] = {
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{ 0, B0 },
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{ 50, B50 },
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{ 75, B75 },
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{ 110, B110 },
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{ 134, B134 },
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{ 150, B150 },
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{ 200, B200 },
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{ 300, B300 },
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{ 600, B600 },
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{ 1200, B1200 },
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{ 1800, B1800 },
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{ 2400, B2400 },
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{ 4800, B4800 },
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#ifdef B7200
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{ 7200, B7200 },
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#endif
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{ 9600, B9600 },
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#ifdef B14400
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{ 14400, B14400 },
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#endif
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#ifdef B19200
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{ 19200, B19200 },
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#endif
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#ifdef B28800
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{ 28800, B28800 },
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#endif
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#ifdef B38400
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{ 38400, B38400 },
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#endif
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#ifdef B57600
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{ 57600, B57600 },
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#endif
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#ifdef B115200
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{ 115200, B115200 },
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#endif
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#ifdef B230400
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{ 230400, B230400 },
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#endif
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{ -1, 0 }
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};
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@ -896,6 +896,7 @@ static struct setlist Setlist[] = {
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{ "forw1", "alternate end of line character", NULL, termForw1Charp },
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{ "forw1", "alternate end of line character", NULL, termForw1Charp },
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{ "forw2", "alternate end of line character", NULL, termForw2Charp },
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{ "forw2", "alternate end of line character", NULL, termForw2Charp },
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{ "ayt", "alternate AYT character", NULL, termAytCharp },
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{ "ayt", "alternate AYT character", NULL, termAytCharp },
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{ "baudrate", "set remote baud rate", DoBaudRate, ComPortBaudRate },
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{ NULL, NULL, NULL, NULL }
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{ NULL, NULL, NULL, NULL }
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};
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};
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@ -231,6 +231,10 @@ extern unsigned char
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NetTraceFile[]; /* Name of file where debugging output goes */
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NetTraceFile[]; /* Name of file where debugging output goes */
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extern void
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extern void
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SetNetTrace(char *); /* Function to change where debugging goes */
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SetNetTrace(char *); /* Function to change where debugging goes */
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extern unsigned char
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ComPortBaudRate[]; /* Baud rate of the remote end */
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extern void
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DoBaudRate(char *); /* Function to set the baud rate of the remote end */
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extern jmp_buf
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extern jmp_buf
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toplevel; /* For error conditions. */
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toplevel; /* For error conditions. */
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@ -475,6 +479,16 @@ extern cc_t termAytChar;
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# endif
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# endif
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#endif
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#endif
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typedef struct {
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int
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system, /* what the current time is */
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echotoggle, /* last time user entered echo character */
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modenegotiated, /* last time operating mode negotiated */
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didnetreceive, /* last time we read data from network */
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gotDM; /* when did we last see a data mark */
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} Clocks;
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extern Clocks clocks;
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/* Ring buffer structures which are shared */
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/* Ring buffer structures which are shared */
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@ -91,10 +91,10 @@ usage(void)
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fprintf(stderr, "usage: %s %s%s%s%s\n",
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fprintf(stderr, "usage: %s %s%s%s%s\n",
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prompt,
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prompt,
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#ifdef AUTHENTICATION
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#ifdef AUTHENTICATION
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"[-4] [-6] [-8] [-E] [-K] [-L] [-N] [-S tos] [-X atype] [-c] [-d]",
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"[-4] [-6] [-8] [-B baudrate] [-E] [-K] [-L] [-N] [-S tos] [-X atype]",
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"\n\t[-e char] [-k realm] [-l user] [-f/-F] [-n tracefile] ",
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"\n\t[-c] [-d] [-e char] [-k realm] [-l user] [-f/-F] [-n tracefile] ",
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#else
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#else
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"[-4] [-6] [-8] [-E] [-L] [-N] [-S tos] [-c] [-d]",
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"[-4] [-6] [-8] [-B baudrate] [-E] [-L] [-N] [-S tos] [-c] [-d]",
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"\n\t[-e char] [-l user] [-n tracefile] ",
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"\n\t[-e char] [-l user] [-n tracefile] ",
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#endif
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#endif
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"[-r] [-s src_addr] [-u] ",
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"[-r] [-s src_addr] [-u] ",
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@ -154,7 +154,7 @@ main(int argc, char *argv[])
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#define IPSECOPT
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#define IPSECOPT
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#endif
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#endif
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while ((ch = getopt(argc, argv,
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while ((ch = getopt(argc, argv,
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"468EKLNS:X:acde:fFk:l:n:rs:uxy" IPSECOPT)) != -1)
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"468B:EKLNS:X:acde:fFk:l:n:rs:uxy" IPSECOPT)) != -1)
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#undef IPSECOPT
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#undef IPSECOPT
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{
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{
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switch(ch) {
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switch(ch) {
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@ -169,6 +169,9 @@ main(int argc, char *argv[])
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case '8':
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case '8':
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eight = 3; /* binary output and input */
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eight = 3; /* binary output and input */
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break;
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break;
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case 'B':
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DoBaudRate(optarg);
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break;
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case 'E':
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case 'E':
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rlogin = escape = _POSIX_VDISABLE;
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rlogin = escape = _POSIX_VDISABLE;
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break;
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break;
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#include "defines.h"
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#include "defines.h"
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#include "externs.h"
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#include "externs.h"
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#include "types.h"
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#include "types.h"
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#include "baud.h"
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int
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int
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tout, /* Output file descriptor */
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tout, /* Output file descriptor */
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}
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}
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/*
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* Try to guess whether speeds are "encoded" (4.2BSD) or just numeric (4.4BSD).
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*/
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#if B4800 != 4800
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#define DECODE_BAUD
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#endif
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#ifdef DECODE_BAUD
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#ifndef B7200
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#define B7200 B4800
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#endif
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#ifndef B14400
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#define B14400 B9600
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#endif
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#ifndef B19200
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# define B19200 B14400
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#endif
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#ifndef B28800
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#define B28800 B19200
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#endif
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#ifndef B38400
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# define B38400 B28800
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#endif
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#ifndef B57600
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#define B57600 B38400
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#endif
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#ifndef B76800
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#define B76800 B57600
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#endif
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#ifndef B115200
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#define B115200 B76800
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#endif
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#ifndef B230400
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#define B230400 B115200
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#endif
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/*
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* This code assumes that the values B0, B50, B75...
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* are in ascending order. They do not have to be
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* contiguous.
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*/
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struct termspeeds {
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long speed;
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long value;
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} termspeeds[] = {
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{ 0, B0 }, { 50, B50 }, { 75, B75 },
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{ 110, B110 }, { 134, B134 }, { 150, B150 },
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{ 200, B200 }, { 300, B300 }, { 600, B600 },
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{ 1200, B1200 }, { 1800, B1800 }, { 2400, B2400 },
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{ 4800, B4800 }, { 7200, B7200 }, { 9600, B9600 },
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{ 14400, B14400 }, { 19200, B19200 }, { 28800, B28800 },
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{ 38400, B38400 }, { 57600, B57600 }, { 115200, B115200 },
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{ 230400, B230400 }, { -1, B230400 }
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};
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#endif /* DECODE_BAUD */
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void
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void
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TerminalSpeeds(long *ispeed, long *ospeed)
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TerminalSpeeds(long *ispeed, long *ospeed)
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{
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{
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@ -43,6 +43,7 @@ protocol
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.Sh SYNOPSIS
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.Sh SYNOPSIS
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.Nm
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.Nm
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.Op Fl 468EFKLNacdfruxy
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.Op Fl 468EFKLNacdfruxy
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.Op Fl B Ar baudrate
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.Op Fl S Ar tos
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.Op Fl S Ar tos
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.Op Fl X Ar authtype
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.Op Fl X Ar authtype
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.Op Fl e Ar escapechar
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.Op Fl e Ar escapechar
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@ -89,6 +90,9 @@ This causes an attempt to
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negotiate the
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negotiate the
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.Dv TELNET BINARY
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.Dv TELNET BINARY
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option on both input and output.
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option on both input and output.
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.It Fl B Ar baudrate
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Sets the baud rate to
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.Ar baudrate .
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.It Fl E
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.It Fl E
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Stops any character from being recognized as an escape character.
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Stops any character from being recognized as an escape character.
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.It Fl F
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.It Fl F
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@ -52,6 +52,7 @@ __FBSDID("$FreeBSD$");
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#include <stdlib.h>
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#include <stdlib.h>
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#include <term.h>
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#include <term.h>
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#include <unistd.h>
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#include <unistd.h>
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#include <arpa/inet.h>
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#include <arpa/telnet.h>
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#include <arpa/telnet.h>
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#include "ring.h"
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#include "ring.h"
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#include <libtelnet/encrypt.h>
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#include <libtelnet/encrypt.h>
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#endif
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#endif
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#include <libtelnet/misc.h>
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#include <libtelnet/misc.h>
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#define strip(x) ((my_want_state_is_wont(TELOPT_BINARY)) ? ((x)&0x7f) : (x))
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#define strip(x) ((my_want_state_is_wont(TELOPT_BINARY)) ? ((x)&0x7f) : (x))
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static unsigned char subbuffer[SUBBUFSIZE],
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static unsigned char subbuffer[SUBBUFSIZE],
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@ -162,7 +163,7 @@ static int is_unique(char *, char **, char **);
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*/
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*/
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Clocks clocks;
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Clocks clocks;
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/*
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/*
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* Initialize telnet environment.
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* Initialize telnet environment.
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*/
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*/
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@ -196,7 +197,7 @@ init_telnet(void)
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flushline = 1;
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flushline = 1;
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telrcv_state = TS_DATA;
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telrcv_state = TS_DATA;
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}
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}
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/*
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/*
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* These routines are in charge of sending option negotiations
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* These routines are in charge of sending option negotiations
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@ -206,6 +207,42 @@ init_telnet(void)
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* is in disagreement as to what the current state should be.
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* is in disagreement as to what the current state should be.
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*/
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*/
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unsigned char ComPortBaudRate[256];
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void
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DoBaudRate(char *arg)
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{
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char *temp, temp2[10];
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int i;
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uint32_t baudrate;
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errno = 0;
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baudrate = (uint32_t)strtol(arg, &temp, 10);
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if (temp[0] != '\0' || (baudrate == 0 && errno != 0))
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ExitString("Invalid baud rate provided.\n", 1);
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for (i = 1; termspeeds[i].speed != -1; i++)
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if (baudrate == termspeeds[i].speed)
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break;
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if (termspeeds[i].speed == -1)
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ExitString("Invalid baud rate provided.\n", 1);
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strlcpy(ComPortBaudRate, arg, sizeof(ComPortBaudRate));
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||||||
|
if (NETROOM() < sizeof(temp2)) {
|
||||||
|
ExitString("No room in buffer for baud rate.\n", 1);
|
||||||
|
/* NOTREACHED */
|
||||||
|
}
|
||||||
|
|
||||||
|
snprintf(temp2, sizeof(temp2), "%c%c%c%c....%c%c", IAC, SB, TELOPT_COMPORT,
|
||||||
|
COMPORT_SET_BAUDRATE, IAC, SE);
|
||||||
|
|
||||||
|
baudrate = htonl(baudrate);
|
||||||
|
memcpy(&temp2[4], &baudrate, sizeof(baudrate));
|
||||||
|
ring_supply_data(&netoring, temp2, sizeof(temp2));
|
||||||
|
printsub('>', &temp[2], sizeof(temp2) - 2);
|
||||||
|
}
|
||||||
|
|
||||||
void
|
void
|
||||||
send_do(int c, int init)
|
send_do(int c, int init)
|
||||||
{
|
{
|
||||||
|
@ -1084,7 +1121,7 @@ lm_mode(unsigned char *cmd, int len, int init)
|
||||||
setconnmode(0); /* set changed mode */
|
setconnmode(0); /* set changed mode */
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* slc()
|
* slc()
|
||||||
|
@ -1628,7 +1665,7 @@ env_opt_end(int emptyok)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
int
|
int
|
||||||
telrcv(void)
|
telrcv(void)
|
||||||
|
@ -2013,7 +2050,7 @@ telsnd(void)
|
||||||
ring_consumed(&ttyiring, count);
|
ring_consumed(&ttyiring, count);
|
||||||
return returnValue||count; /* Non-zero if we did anything */
|
return returnValue||count; /* Non-zero if we did anything */
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Scheduler()
|
* Scheduler()
|
||||||
*
|
*
|
||||||
|
|
|
@ -40,13 +40,9 @@ typedef struct {
|
||||||
|
|
||||||
extern Modelist modelist[];
|
extern Modelist modelist[];
|
||||||
|
|
||||||
typedef struct {
|
struct termspeeds {
|
||||||
int
|
int speed;
|
||||||
system, /* what the current time is */
|
int value;
|
||||||
echotoggle, /* last time user entered echo character */
|
};
|
||||||
modenegotiated, /* last time operating mode negotiated */
|
|
||||||
didnetreceive, /* last time we read data from network */
|
|
||||||
gotDM; /* when did we last see a data mark */
|
|
||||||
} Clocks;
|
|
||||||
|
|
||||||
extern Clocks clocks;
|
extern struct termspeeds termspeeds[];
|
||||||
|
|
|
@ -46,6 +46,8 @@ __FBSDID("$FreeBSD$");
|
||||||
|
|
||||||
#include "telnetd.h"
|
#include "telnetd.h"
|
||||||
#include "pathnames.h"
|
#include "pathnames.h"
|
||||||
|
#include "types.h"
|
||||||
|
#include "baud.h"
|
||||||
|
|
||||||
#ifdef AUTHENTICATION
|
#ifdef AUTHENTICATION
|
||||||
#include <libtelnet/auth.h>
|
#include <libtelnet/auth.h>
|
||||||
|
@ -743,56 +745,6 @@ tty_iscrnl(void)
|
||||||
#endif
|
#endif
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
|
||||||
* Try to guess whether speeds are "encoded" (4.2BSD) or just numeric (4.4BSD).
|
|
||||||
*/
|
|
||||||
#if B4800 != 4800
|
|
||||||
#define DECODE_BAUD
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef DECODE_BAUD
|
|
||||||
|
|
||||||
/*
|
|
||||||
* A table of available terminal speeds
|
|
||||||
*/
|
|
||||||
struct termspeeds {
|
|
||||||
int speed;
|
|
||||||
int value;
|
|
||||||
} termspeeds[] = {
|
|
||||||
{ 0, B0 }, { 50, B50 }, { 75, B75 },
|
|
||||||
{ 110, B110 }, { 134, B134 }, { 150, B150 },
|
|
||||||
{ 200, B200 }, { 300, B300 }, { 600, B600 },
|
|
||||||
{ 1200, B1200 }, { 1800, B1800 }, { 2400, B2400 },
|
|
||||||
{ 4800, B4800 },
|
|
||||||
#ifdef B7200
|
|
||||||
{ 7200, B7200 },
|
|
||||||
#endif
|
|
||||||
{ 9600, B9600 },
|
|
||||||
#ifdef B14400
|
|
||||||
{ 14400, B14400 },
|
|
||||||
#endif
|
|
||||||
#ifdef B19200
|
|
||||||
{ 19200, B19200 },
|
|
||||||
#endif
|
|
||||||
#ifdef B28800
|
|
||||||
{ 28800, B28800 },
|
|
||||||
#endif
|
|
||||||
#ifdef B38400
|
|
||||||
{ 38400, B38400 },
|
|
||||||
#endif
|
|
||||||
#ifdef B57600
|
|
||||||
{ 57600, B57600 },
|
|
||||||
#endif
|
|
||||||
#ifdef B115200
|
|
||||||
{ 115200, B115200 },
|
|
||||||
#endif
|
|
||||||
#ifdef B230400
|
|
||||||
{ 230400, B230400 },
|
|
||||||
#endif
|
|
||||||
{ -1, 0 }
|
|
||||||
};
|
|
||||||
#endif /* DECODE_BAUD */
|
|
||||||
|
|
||||||
void
|
void
|
||||||
tty_tspeed(int val)
|
tty_tspeed(int val)
|
||||||
{
|
{
|
||||||
|
|
Loading…
Reference in New Issue