Added incoming telnet proxy
This commit is contained in:
Michiel Broek
parent
202719cb45
commit
24cd311b9c
3
AUTHORS
3
AUTHORS
@ -43,4 +43,7 @@ Vince Coen 2:257/609@fidonet
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Joachim Kuwan 2:249/591@fidonet
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Greek greek@voyager.nnov.ru
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Sergey Nechaev 2:5015/53@fidonet
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Serge Terekhov 2:5000/13@fidonet
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Vadim Kurland vadim@gu.kiev.ua
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Vadim Zaliva lord@crocodile.kiev.ua
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24
ChangeLog
24
ChangeLog
@ -3,6 +3,30 @@ $Id$
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v0.39.2 21-Nov-2003
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general:
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With the use of a proxy based on the iftelnetd from the ifmail
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package incoming telnet sessions are now supported. Outgoing
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telnet still doesn't work.
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upgrade:
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See mbtelnetd.html how to install mbtelnetd.
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mbcico:
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If called by inetd with the -t itn parameters, mbcico aborts
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and writes a short instruction in the log to install mbtelnetd.
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mbtelnetd:
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New program, a proxy to handle incoming telnet/vmodem sessions.
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Based on the work of Serge Terekhov, 2:5000/13@fidonet and
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Vadim Kurland, vadim@gu.kiev.ua and Vadim Zaliva,
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lord@crocodile.kiev.ua.
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SETUP.sh:
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Added installation of mbtelnetd for new systems.
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html:
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Added mbtelnetd page.
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v0.39.1 22-Oct-2003 - 21-Nov-2003
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16
SETUP.sh
16
SETUP.sh
@ -414,7 +414,8 @@ if [ "$FIDO" = "TRUE" ] || [ "$BINKD" = "TRUE" ]; then
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echo "binkp 24554/tcp # mbcico IBN mode">>/etc/services
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fi
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if [ "$FIDO" = "TRUE" ]; then
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echo -n ", fido at port 60179"
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echo -n ", fido at ports 60177, 60179"
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echo "tfido 60177/tcp # mbtelnetd ITN proxy">>/etc/services
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echo "fido 60179/tcp # mbcico IFC mode">>/etc/services
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fi
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chmod 644 /etc/services
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@ -434,6 +435,7 @@ cat << EOF >>/etc/inetd.conf
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#:MBSE-BBS: bbs service
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binkp stream tcp nowait mbse $MHOME/bin/mbcico mbcico -t ibn
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fido stream tcp nowait mbse $MHOME/bin/mbcico mbcico -t ifc
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tfido stream tcp nowait mbse $MHOME/bin/mbtelnetd mbtelnetd
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EOF
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chmod 644 /etc/inetd.conf
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@ -460,7 +462,7 @@ if [ -f /etc/xinetd.conf ]; then
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cat << EOF >> $XINET
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#:MBSE BBS services are defined here.
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#
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# Author: Michiel Broek <mbse@users.sourceforge.net>, 20-Jan-2002
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# Author: Michiel Broek <mbse@mbse.dds.nl>, 22-Nov-2003
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service binkp
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{
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@ -483,6 +485,16 @@ service fido
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server = $MHOME/bin/mbcico
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server_args = -t ifc
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}
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service tfido
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{
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socket_type = stream
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protocol = tcp
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wait = no
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user = mbse
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instances = 10
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server = $MHOME/bin/mbtelnetd
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}
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EOF
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fi
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@ -8,6 +8,9 @@
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#undef VERSION_REVISION
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#undef VERSION
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/* Compile experimental telnet code */
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#undef USE_TELNET
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/* Define if you have the snprintf function. */
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#undef HAVE_SNPRINTF
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20
configure
vendored
20
configure
vendored
@ -837,6 +837,11 @@ if test -n "$ac_init_help"; then
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cat <<\_ACEOF
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Optional Features:
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--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
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--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
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--enable-telnet Compile experimental telnet code
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Optional Packages:
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--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
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--without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no)
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@ -1777,6 +1782,21 @@ fi
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CFLAGS="$CFLAGS -Wall -Wshadow -Wwrite-strings -Wstrict-prototypes"
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# Check whether --enable-telnet or --disable-telnet was given.
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if test "${enable_telnet+set}" = set; then
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enableval="$enable_telnet"
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telnet=$enableval
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else
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telnet=no
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fi;
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if test "$telnet" = "yes"; then
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cat >>confdefs.h <<\_ACEOF
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#define USE_TELNET 1
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_ACEOF
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fi
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cat >>confdefs.h <<_ACEOF
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#define RESTAMP_OLD_POSTINGS 21
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_ACEOF
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@ -53,6 +53,13 @@ AC_CHECK_PROG(ZIP, zip, zip)
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AC_PATH_PROG(CHOWN, chown, chown, /bin:/sbin:/usr/bin:/usr/sbin:)
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CFLAGS="$CFLAGS -Wall -Wshadow -Wwrite-strings -Wstrict-prototypes"
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dnl Additional commandline switches
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AC_ARG_ENABLE(telnet, [ --enable-telnet Compile experimental telnet code], [ telnet=$enableval ], [ telnet=no ])
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if test "$telnet" = "yes"; then
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AC_DEFINE(USE_TELNET)
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fi
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dnl Defines for MBSE BBS (must use tests or --enable-stuff later)
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AC_DEFINE_UNQUOTED(RESTAMP_OLD_POSTINGS, 21)
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AC_DEFINE(RESTAMP_FUTURE_POSTINGS)
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@ -65,7 +65,7 @@ H_PROGS = programs/mbfido.html programs/mbmon.html \
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programs/mbaff.html programs/mbdiff.html \
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programs/mbindex.html programs/mbout.html \
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programs/mbsetup.html programs/mbuseradd.html \
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programs/mball.html \
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programs/mball.html programs/mbtelnetd.html \
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programs/mblang.html programs/mbsebbs.html \
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programs/mbstat.html programs/mbpasswd.html \
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programs/mbtask.html
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@ -16,7 +16,7 @@
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<BLOCKQUOTE>
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<center><img SRC="images/mbse.png" BORDER=0 alt="MBSE"></center>
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<div align=center><h1>MBSE BBS System Guide @VERSION@</h1></div>
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<div align=right><h5>Last update 11-Oct-2003</h5></div>
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<div align=right><h5>Last update 22-Nov-2003</h5></div>
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<h3><a NAME="top"></a>Introduction</h3>
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@ -107,6 +107,7 @@
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<li><a href="programs/mbsetup.html">mbsetup, The setup program</a></li>
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<li><a href="programs/mbstat.html">mbstat, The bbs status change program</a></li>
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<li><a href="programs/mbtask.html">mbtask, The taskmanager for the bbs system</a></li>
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<li><A HREF="programs/mbtelnetd.html">mbtelnetd, The incoming telnet proxy</A></li>
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<li><a href="programs/mbtoberep.html">mbtoberep, The toberep.data lister</a></li>
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<li><a href="programs/mbuser.html">mbuser, The userbase maintenance program</a></li>
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<li><a href="programs/mbuseradd.html">mbuseradd, The useradd wrapper</a></li>
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@ -14,13 +14,10 @@
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</HEAD>
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<BODY>
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<BLOCKQUOTE>
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<div align=right><h5>Last update 23-Mar-2003</h5></div>
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<div align=right><h5>Last update 22-Nov-2003</h5></div>
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<div align=center><h1>MBSE BBS Programs.</h1></div>
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<ol>
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<li><A HREF="mbaff.html">mbaff, Announce newfiles and filefind</A>
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<li><A HREF="mball.html">mball, Allfiles and newfiles list creator</A>
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@ -39,6 +36,7 @@
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<li><A HREF="mbseq.html">mbseq, Sequence number creator</A>
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<li><A HREF="mbsetup.html">mbsetup, The setup program</A>
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<li><A HREF="mbstat.html">mbstat, The bbs status change program</A>
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<li><A HREF="mbtelnetd.html">mbtelnetd, The incoming telnet proxy</A>
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<li><A HREF="mbtoberep.html">mbtoberep, The toberep.data lister</A>
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<li><A HREF="mbuser.html">mbuser, The userbase maintenance program</A>
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<li><A HREF="mbuseradd.html">mbuseradd, The adduser wrapper</A>
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69
html/programs/mbtelnetd.html
Executable file
69
html/programs/mbtelnetd.html
Executable file
@ -0,0 +1,69 @@
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<HTML>
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<!-- $Id$ -->
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<HEAD>
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<META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<META http-equiv="Content-Style-Type" content="text/css">
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<META NAME="Language" content='en'>
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<META name="author" lang="en" content="Michiel Broek">
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<META name="copyright" lang="en" content="Copyright Michiel Broek">
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<META name="description" lang="en" content="MBSE BBS Manual">
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<META name="keywords" lang="en" content="MBSE BBS, MBSE, BBS, manual, fido, fidonet, gateway, tosser, mail, tic, mailer">
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<TITLE>MBSE BBS Programs - mbtelnetd - Incoming telnet proxy.</TITLE>
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<LINK rel=stylesheet HREF="../manual.css">
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</HEAD>
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<BODY>
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<BLOCKQUOTE>
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<div align="right"><h5>Last update 22-Nov-2003</h5></div>
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<div align="center"><H1>mbtelnetd - Incoming telnet proxy</H1></div>
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<H3>Synopsis.</H3>
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<P>
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<code><strong>mbtelnetd</strong></code>
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<P> <P>
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<H3>Description.</H3>
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<P>
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<strong>mbtelnetd</strong> is a small proxy that handles incoming telnet/vmodem
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sessions and calls mbcico via the network on the standard fido port (60179).
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This small proxy was original written by Vadim Zaliva, lord@crocodile.kiev.ua, Serge
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Terekhov, 2:5000/13@fidonet and Vadim Kurland, vadim@gu.kiev.ua for the ifmail
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package.
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<P>
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<P> <P>
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<H3>Installation</H3>
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<P>
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To accept incoming telnet sessions to allow the ITN nodelist flag you must
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install <b>mbtelnetd</b> in your system. You need to do this as root. The
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example shown is for most GNU/Linux distributions.
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Add the following line to <code>/etc/services</code>:
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<pre>
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tfido 60177/tcp
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</pre>
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Add the following line to <code>/etc/inetd.conf</code>:
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<pre>
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tfido stream tcp nowait mbse /opt/mbse/bin/mbtelnetd mbtelnetd
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</pre>
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Or add the following lines to <code>/etc/xinetd.d/mbsebbs</code> if your system
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uses xinetd instead of inetd:
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<pre>
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service tfido
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{
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socket_type = stream
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protocol = tcp
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wait = no
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user = mbse
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instances = 10
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server = /opt/mbse/bin/mbtelnetd
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}
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</pre>
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<p>
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<A HREF="index.htm"><IMG SRC="../images/larrow.png" ALT="Index" Border="0">Back to index</A>
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<A HREF="../index.htm"><IMG SRC="../images/b_arrow.png" ALT="Main" Border="0">Back to Main index</A>
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</BLOCKQUOTE>
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</BODY>
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</HTML>
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@ -80,6 +80,7 @@ reqbits RQ_WU 0x00000008 # Wazoo update
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#
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service IBN binkp 24554
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service IFC fido 60179
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service ITN telnet 23
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# Switched network service names, they are used to build the
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@ -132,8 +133,9 @@ isdn X75 0x00000010 0x00000010
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# Supported IP protocols by the mailer in order of preference.
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# The names must match the service names.
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#
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tcpip IFC 0x00000001 0x00000001
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tcpip IBN 0x00000002 0x00000002
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tcpip ITN 0x00000001 0x00000001
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tcpip IFC 0x00000002 0x00000002
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tcpip IBN 0x00000004 0x00000004
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# The following gives the order to search for the
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@ -1 +1 @@
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filelist mbcico mbout
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filelist mbcico mbout mbtelnetd
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@ -12,7 +12,7 @@ SRCS = zmmisc.c zmrle.c zmrecv.c zmsend.c binkp.c md5b.c \
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filetime.c ftsc.c atoul.c portsel.c \
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ttyio.c lutil.c scanout.c emsi.c ulock.c \
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callstat.c session.c call.c mbcico.c \
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outstat.c nlinfo.c mbout.c
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outstat.c nlinfo.c mbout.c mbtelnetd.c
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HDRS = zmodem.h binkp.h config.h statetbl.h md5b.h \
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xmsend.h xmrecv.h m7recv.h m7send.h hydra.h inbound.h \
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answer.h chat.h dial.h dietifna.h emsidat.h filelist.h \
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@ -21,7 +21,7 @@ HDRS = zmodem.h binkp.h config.h statetbl.h md5b.h \
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filetime.h ftsc.h atoul.h portsel.h \
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ttyio.h lutil.h scanout.h emsi.h ulock.h \
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callstat.h session.h call.h mbcico.h \
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outstat.h nlinfo.h
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outstat.h nlinfo.h mbtelnetd.h
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MBCICO_OBJS = zmmisc.o zmrle.o zmrecv.o zmsend.o binkp.o md5b.o \
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xmsend.o xmrecv.o m7recv.o m7send.o hydra.o inbound.o \
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answer.o chat.o dial.o dietifna.o emsidat.o filelist.o \
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@ -31,10 +31,11 @@ MBCICO_OBJS = zmmisc.o zmrle.o zmrecv.o zmsend.o binkp.o md5b.o \
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ttyio.o lutil.o scanout.o emsi.o ulock.o \
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callstat.o session.o call.o mbcico.o
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MBOUT_OBJS = outstat.o nlinfo.o mbout.o scanout.o callstat.o
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MBTEL_OBJS = mbtelnetd.o
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LIBS += ../lib/libclcomm.a ../lib/libcommon.a \
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../lib/libmsgbase.a ../lib/libdbase.a ../lib/libnodelist.a
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OTHER = Makefile README
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TARGET = mbcico mbout
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TARGET = mbcico mbout mbtelnetd
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#############################################################################
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@ -49,6 +50,7 @@ clean:
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install: all
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${INSTALL} -c -s -g ${GROUP} -o ${OWNER} -m 4751 mbcico ${BINDIR}
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${INSTALL} -c -s -g ${GROUP} -o ${OWNER} -m 0755 mbout ${BINDIR}
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${INSTALL} -c -s -g ${GROUP} -o ${OWNER} -m 0755 mbtelnetd ${BINDIR}
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mbcico: ${MBCICO_OBJS} ${LIBS}
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${CC} -o mbcico ${MBCICO_OBJS} ${LIBS}
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@ -58,6 +60,10 @@ mbout: ${MBOUT_OBJS} ${LIBS}
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${CC} -o mbout ${MBOUT_OBJS} ${LIBS}
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strip mbout
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mbtelnetd: ${MBTEL_OBJS} ${LIBS}
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${CC} -o mbtelnetd ${MBTEL_OBJS} ${LIBS}
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strip mbtelnetd
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filelist: Makefile
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BASE=`pwd`; \
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BASE=`basename $${BASE}`; \
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@ -126,10 +132,11 @@ scanout.o: ../config.h ../lib/libs.h ../lib/structs.h ../lib/users.h ../lib/reco
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emsi.o: ../config.h ../lib/libs.h ../lib/structs.h ../lib/users.h ../lib/records.h ../lib/common.h ../lib/nodelist.h ../lib/dbnode.h ../lib/clcomm.h ../lib/mberrors.h ttyio.h session.h statetbl.h config.h emsi.h emsidat.h hydra.h rdoptions.h tcp.h wazoo.h inbound.h
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ulock.o: ../config.h ../lib/libs.h ../lib/clcomm.h
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callstat.o: ../config.h ../lib/libs.h ../lib/structs.h ../lib/users.h ../lib/records.h ../lib/clcomm.h ../lib/common.h callstat.h
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session.o: ../config.h ../lib/libs.h ../lib/structs.h ../lib/users.h ../lib/records.h ../lib/common.h ../lib/clcomm.h ../lib/nodelist.h ../lib/mberrors.h ttyio.h statetbl.h emsi.h ftsc.h session.h yoohoo.h mbcico.h binkp.h callstat.h inbound.h
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session.o: ../config.h ../lib/libs.h ../lib/structs.h ../lib/users.h ../lib/records.h ../lib/common.h ../lib/clcomm.h ../lib/nodelist.h ../lib/mberrors.h ttyio.h statetbl.h emsi.h ftsc.h session.h yoohoo.h mbcico.h binkp.h callstat.h inbound.h opentcp.h
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call.o: ../config.h ../lib/libs.h ../lib/structs.h ../lib/users.h ../lib/records.h ../lib/common.h ../lib/nodelist.h ../lib/clcomm.h ../lib/dbnode.h ../lib/mberrors.h session.h callstat.h call.h config.h dial.h lutil.h portsel.h openport.h opentcp.h rdoptions.h inbound.h
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mbcico.o: ../config.h ../lib/libs.h ../lib/structs.h ../lib/users.h ../lib/records.h ../lib/common.h ../lib/nodelist.h ../lib/clcomm.h ../lib/dbcfg.h ../lib/dbnode.h ../lib/dbftn.h ../lib/mberrors.h config.h answer.h call.h lutil.h mbcico.h session.h
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outstat.o: ../config.h ../lib/libs.h ../lib/structs.h ../lib/users.h ../lib/records.h ../lib/common.h ../lib/nodelist.h ../lib/clcomm.h ../lib/dbcfg.h ../lib/dbnode.h ../lib/dbftn.h ../lib/mberrors.h scanout.h callstat.h outstat.h
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nlinfo.o: ../config.h ../lib/libs.h ../lib/structs.h ../lib/common.h ../lib/nodelist.h ../lib/clcomm.h nlinfo.h
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mbout.o: ../config.h ../lib/libs.h ../lib/structs.h ../lib/users.h ../lib/records.h ../lib/common.h ../lib/nodelist.h ../lib/clcomm.h ../lib/dbcfg.h ../lib/dbnode.h ../lib/dbftn.h ../lib/mberrors.h outstat.h nlinfo.h
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mbtelnetd.o: ../config.h ../lib/libs.h ../lib/structs.h ../lib/users.h ../lib/records.h ../lib/common.h ../lib/clcomm.h ../lib/dbcfg.h ../lib/mberrors.h mbtelnetd.h
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# End of generated dependencies
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@ -175,6 +175,10 @@ int call(faddr *addr)
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tcp_mode = TCPMODE_IBN;
|
||||
} else if (strcmp(protocol, "fido") == 0) {
|
||||
tcp_mode = TCPMODE_IFC;
|
||||
#ifdef USE_TELNET
|
||||
} else if (strcmp(protocol, "telnet") == 0) {
|
||||
tcp_mode = TCPMODE_ITN;
|
||||
#endif
|
||||
} else {
|
||||
Syslog('+', "No common TCP/IP protocols for node %s", nlent->name);
|
||||
free(inetaddr);
|
||||
|
||||
@ -65,6 +65,7 @@ unsigned long sentbytes = 0;
|
||||
unsigned long rcvdbytes = 0;
|
||||
int tcp_mode = TCPMODE_NONE;
|
||||
int Loaded = FALSE;
|
||||
int telnet = FALSE;
|
||||
|
||||
|
||||
extern char *myname;
|
||||
@ -85,7 +86,11 @@ void usage(void)
|
||||
fprintf(stderr,"-a<inetaddr> <node>\n");
|
||||
fprintf(stderr,"-n<phone> forced phone number\n");
|
||||
fprintf(stderr,"-l<ttydevice> forced tty device\n");
|
||||
#ifdef USE_TELNET
|
||||
fprintf(stderr,"-t<tcpmode> must be one of ifc|itn|ibn, forces TCP/IP\n");
|
||||
#else
|
||||
fprintf(stderr,"-t<tcpmode> must be one of ifc|ibn, forces TCP/IP\n");
|
||||
#endif
|
||||
fprintf(stderr,"-a<inetaddr> supply internet hostname if not in nodelist\n");
|
||||
fprintf(stderr," <node> should be in domain form, e.g. f11.n22.z3\n");
|
||||
fprintf(stderr," (this implies master mode)\n");
|
||||
@ -246,6 +251,10 @@ int main(int argc, char *argv[])
|
||||
} else if (strncmp(p, "ibn", 3) == 0) {
|
||||
tcp_mode = TCPMODE_IBN;
|
||||
protocol = xstrcpy((char *)"binkp");
|
||||
} else if (strncmp(p, "itn", 3) == 0) {
|
||||
tcp_mode = TCPMODE_ITN;
|
||||
protocol = xstrcpy((char *)"tfido");
|
||||
telnet = TRUE;
|
||||
} else {
|
||||
usage();
|
||||
die(MBERR_COMMANDLINE);
|
||||
@ -355,6 +364,11 @@ int main(int argc, char *argv[])
|
||||
if (rc > maxrc)
|
||||
maxrc=rc;
|
||||
} else {
|
||||
if (telnet) {
|
||||
WriteError("Incoming telnet call is not supported anymore");
|
||||
WriteError("Install mbtelnetd to handle telnet inbound traffic");
|
||||
die(MBERR_COMMANDLINE);
|
||||
}
|
||||
/* slave */
|
||||
if (!answermode && tcp_mode == TCPMODE_IBN)
|
||||
answermode = xstrcpy((char *)"ibn");
|
||||
|
||||
390
mbcico/mbtelnetd.c
Normal file
390
mbcico/mbtelnetd.c
Normal file
@ -0,0 +1,390 @@
|
||||
/*****************************************************************************
|
||||
*
|
||||
* $Id$
|
||||
* Purpose ...............: Fidonet telnet proxy
|
||||
*
|
||||
*****************************************************************************
|
||||
* Copyright (C) 1997-2003
|
||||
*
|
||||
* Michiel Broek FIDO: 2:280/2802
|
||||
* Beekmansbos 10
|
||||
* 1971 BV IJmuiden
|
||||
* the Netherlands
|
||||
*
|
||||
* This file is part of MBSE BBS.
|
||||
*
|
||||
* This BBS is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the
|
||||
* Free Software Foundation; either version 2, or (at your option) any
|
||||
* later version.
|
||||
*
|
||||
* MBSE BBS is distributed in the hope that it will be useful, but
|
||||
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with MBSE BBS; see the file COPYING. If not, write to the Free
|
||||
* Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
|
||||
*****************************************************************************/
|
||||
|
||||
|
||||
/*
|
||||
Simple proxy daemon for ifcico to work with SIO/VMODEM.
|
||||
========================================================
|
||||
Written by: Vadim Zaliva, lord@crocodile.kiev.ua, 2:463/80
|
||||
|
||||
This software is provided ``as is'' without express or implied warranty.
|
||||
Feel free to distribute it.
|
||||
|
||||
Feel free to contact me with improovments request
|
||||
and bug reports.
|
||||
|
||||
Some parts of this code are taken from
|
||||
1. serge terekhov, 2:5000/13@fidonet path for ifmail
|
||||
2. Vadim Kurland, vadim@gu.kiev.ua transl daemon.
|
||||
Thanks them.
|
||||
*/
|
||||
|
||||
#include "../config.h"
|
||||
#include "../lib/libs.h"
|
||||
#include "../lib/structs.h"
|
||||
#include "../lib/users.h"
|
||||
#include "../lib/records.h"
|
||||
#include "../lib/common.h"
|
||||
#include "../lib/clcomm.h"
|
||||
#include "../lib/dbcfg.h"
|
||||
#include "../lib/mberrors.h"
|
||||
#include "mbtelnetd.h"
|
||||
|
||||
|
||||
#define MBT_BUFSIZ 8192
|
||||
#define MBT_TIMEOUT 3600
|
||||
|
||||
|
||||
void die(int);
|
||||
int init_telnet(void);
|
||||
void answer(int, int);
|
||||
int read0(char *, int);
|
||||
int write1(char *, int);
|
||||
void com_gw(int);
|
||||
|
||||
|
||||
#define WILL 251
|
||||
#define WONT 252
|
||||
#define DO 253
|
||||
#define DONT 254
|
||||
#define IAC 255
|
||||
|
||||
#define TN_TRANSMIT_BINARY 0
|
||||
#define TN_ECHO 1
|
||||
#define TN_SUPPRESS_GA 3
|
||||
|
||||
|
||||
|
||||
static int tellen;
|
||||
char *envptr = NULL;
|
||||
time_t t_start, t_end;
|
||||
|
||||
|
||||
void die(int onsig)
|
||||
{
|
||||
signal(onsig, SIG_IGN);
|
||||
|
||||
if (onsig) {
|
||||
if (onsig <= NSIG)
|
||||
WriteError("Terminated on signal %d (%s)", onsig, SigName[onsig]);
|
||||
else
|
||||
Syslog('+', "Terminated with error %d", onsig);
|
||||
}
|
||||
|
||||
t_end = time(NULL);
|
||||
Syslog(' ', "MBTELNETD finished in %s", t_elapsed(t_start, t_end));
|
||||
if (envptr)
|
||||
free(envptr);
|
||||
ExitClient(onsig);
|
||||
}
|
||||
|
||||
|
||||
|
||||
int main(int ac, char **av)
|
||||
{
|
||||
struct sockaddr_in peeraddr;
|
||||
int addrlen = sizeof(struct sockaddr_in);
|
||||
char *remote_name = NULL;
|
||||
char *remote_port = NULL;
|
||||
int s; /* socket to remote*/
|
||||
int i;
|
||||
struct hostent *hp;
|
||||
struct servent *sp;
|
||||
struct sockaddr_in server;
|
||||
char *tmp = NULL;
|
||||
struct passwd *pw;
|
||||
|
||||
/*
|
||||
* The next trick is to supply a fake environment variable
|
||||
* MBSE_ROOT in case we are started from inetd or mgetty,
|
||||
* this will setup the variable so InitConfig() will work.
|
||||
* The /etc/passwd must point to the correct homedirectory.
|
||||
*/
|
||||
pw = getpwuid(getuid());
|
||||
if (getenv("MBSE_ROOT") == NULL) {
|
||||
envptr = xstrcpy((char *)"MBSE_ROOT=");
|
||||
envptr = xstrcat(envptr, pw->pw_dir);
|
||||
putenv(envptr);
|
||||
}
|
||||
|
||||
InitConfig();
|
||||
t_start = time(NULL);
|
||||
|
||||
InitClient(pw->pw_name, (char *)"mbtelnetd", CFG.location, CFG.logfile,
|
||||
CFG.util_loglevel, CFG.error_log, CFG.mgrlog, CFG.debuglog);
|
||||
|
||||
Syslog(' ', " ");
|
||||
Syslog(' ', "MBTELNETDv%s", VERSION);
|
||||
|
||||
/*
|
||||
* Catch all signals we can, and ignore the rest.
|
||||
*/
|
||||
for (i = 0; i < NSIG; i++) {
|
||||
if ((i == SIGINT) || (i == SIGBUS) || (i == SIGILL) || (i == SIGSEGV) || (i == SIGTERM) || (i == SIGKILL)) {
|
||||
signal(i, (void (*))die);
|
||||
} else {
|
||||
signal(i, SIG_IGN);
|
||||
}
|
||||
}
|
||||
|
||||
remote_name = xstrcpy((char *)"localhost");
|
||||
remote_port = xstrcpy((char *)"fido");
|
||||
|
||||
if (getpeername(0,(struct sockaddr*)&peeraddr,&addrlen) == 0) {
|
||||
tmp = strdup(inet_ntoa(peeraddr.sin_addr));
|
||||
Syslog('+', "Incoming TCP connection from %s", tmp ? tmp : "Unknown");
|
||||
Syslog('+', "Rerouting to %s:%s", remote_name, remote_port);
|
||||
}
|
||||
|
||||
if (tmp)
|
||||
free(tmp);
|
||||
|
||||
if ((sp = getservbyname(remote_port, "tcp")) == NULL) {
|
||||
WriteError("Can't find service: %s", remote_port);
|
||||
free(remote_name);
|
||||
free(remote_port);
|
||||
die(MBERR_INIT_ERROR);
|
||||
}
|
||||
|
||||
if ((s = socket(AF_INET,SOCK_STREAM,0)) == -1) {
|
||||
WriteError("Can't create Internet domain socket");
|
||||
free(remote_name);
|
||||
free(remote_port);
|
||||
die(MBERR_INIT_ERROR);
|
||||
}
|
||||
|
||||
if ((hp = gethostbyname(remote_name)) == NULL) {
|
||||
WriteError("%s - Unknown host", remote_name);
|
||||
free(remote_name);
|
||||
free(remote_port);
|
||||
die(MBERR_INIT_ERROR);
|
||||
}
|
||||
|
||||
memset(&server,0,sizeof(server));
|
||||
memcpy((char *)&server.sin_addr,hp->h_addr,hp->h_length);
|
||||
|
||||
server.sin_family=hp->h_addrtype;
|
||||
server.sin_port = sp->s_port;
|
||||
|
||||
if (connect(s,(struct sockaddr *)&server,sizeof(server)) == -1) {
|
||||
WriteError("Can't connect %s", remote_name);
|
||||
free(remote_name);
|
||||
free(remote_port);
|
||||
die(MBERR_INIT_ERROR);
|
||||
}
|
||||
|
||||
init_telnet();
|
||||
|
||||
tmp = calloc(81, sizeof(char ));
|
||||
sprintf(tmp, "mbtelnetd v%s\r\n", VERSION);
|
||||
write1(tmp, strlen(tmp));
|
||||
free(tmp);
|
||||
|
||||
com_gw(s);
|
||||
|
||||
free(remote_name);
|
||||
free(remote_port);
|
||||
close(s);
|
||||
die(0);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/* --- This is an artwork of serge terekhov, 2:5000/13@fidonet :) --- */
|
||||
|
||||
void answer (int tag, int opt)
|
||||
{
|
||||
char buf[3];
|
||||
char *r = (char *)"???";
|
||||
|
||||
switch (tag) {
|
||||
case WILL:
|
||||
r = (char *)"WILL";
|
||||
break;
|
||||
case WONT:
|
||||
r = (char *)"WONT";
|
||||
break;
|
||||
case DO:
|
||||
r = (char *)"DO";
|
||||
break;
|
||||
case DONT:
|
||||
r = (char *)"DONT";
|
||||
break;
|
||||
}
|
||||
Syslog('s', "TELNET send %s %d", r, opt);
|
||||
|
||||
buf[0] = IAC;
|
||||
buf[1] = tag;
|
||||
buf[2] = opt;
|
||||
if (write (1, buf, 3) != 3)
|
||||
WriteError("$answer cant send");
|
||||
}
|
||||
|
||||
|
||||
|
||||
int init_telnet(void)
|
||||
{
|
||||
tellen = 0;
|
||||
answer (DO, TN_SUPPRESS_GA);
|
||||
answer (WILL, TN_SUPPRESS_GA);
|
||||
answer (DO, TN_TRANSMIT_BINARY);
|
||||
answer (WILL, TN_TRANSMIT_BINARY);
|
||||
answer (DO, TN_ECHO);
|
||||
answer (WILL, TN_ECHO);
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
|
||||
int read0 (char *buf, int len)
|
||||
{
|
||||
int n = 0, m;
|
||||
char *q, *p;
|
||||
static char telbuf[4];
|
||||
|
||||
while ((n == 0) && (n = read (0, buf + tellen, MBT_BUFSIZ - tellen)) > 0) {
|
||||
if (tellen) {
|
||||
memcpy(buf, telbuf, tellen);
|
||||
n += tellen;
|
||||
tellen = 0;
|
||||
}
|
||||
|
||||
if (memchr (buf, IAC, n)) {
|
||||
for (p = q = buf; n--; )
|
||||
if ((m = (unsigned char)*q++) != IAC)
|
||||
*p++ = m;
|
||||
else {
|
||||
if (n < 2) {
|
||||
memcpy (telbuf, q - 1, tellen = n + 1);
|
||||
break;
|
||||
}
|
||||
--n;
|
||||
switch (m = (unsigned char)*q++) {
|
||||
case WILL: m = (unsigned char)*q++; --n;
|
||||
Syslog('s', "TELNET: recv WILL %d", m);
|
||||
if (m != TN_TRANSMIT_BINARY && m != TN_SUPPRESS_GA && m != TN_ECHO)
|
||||
answer (DONT, m);
|
||||
break;
|
||||
case WONT: m = *q++;
|
||||
--n;
|
||||
Syslog('s', "TELNET: recv WONT %d", m);
|
||||
break;
|
||||
case DO: m = (unsigned char)*q++;
|
||||
--n;
|
||||
Syslog('s', "TELNET: recv DO %d", m);
|
||||
if (m != TN_TRANSMIT_BINARY && m != TN_SUPPRESS_GA && m != TN_ECHO)
|
||||
answer (WONT, m);
|
||||
break;
|
||||
case DONT: m = (unsigned char)*q++;
|
||||
--n;
|
||||
Syslog('s', "TELNET: recv DONT %d", m);
|
||||
break;
|
||||
case IAC: *p++ = IAC;
|
||||
break;
|
||||
default: Syslog('s', "TELNET: recv IAC %d", m);
|
||||
break;
|
||||
}
|
||||
}
|
||||
n = p - buf;
|
||||
}
|
||||
}
|
||||
|
||||
return n;
|
||||
}
|
||||
|
||||
|
||||
|
||||
int write1 (char *buf, int len)
|
||||
{
|
||||
char *q;
|
||||
int k, l;
|
||||
|
||||
l = len;
|
||||
while ((len > 0) && (q = memchr(buf, IAC, len))) {
|
||||
k = (q - buf) + 1;
|
||||
if ((write (1, buf, k) != k) || (write (1, q, 1) != 1)) {
|
||||
return -1;
|
||||
}
|
||||
buf += k;
|
||||
len -= k;
|
||||
}
|
||||
|
||||
if ((len > 0) && write (1, buf, len) != len) {
|
||||
return -1;
|
||||
}
|
||||
return l;
|
||||
}
|
||||
|
||||
|
||||
|
||||
void com_gw(int in)
|
||||
{
|
||||
fd_set fds;
|
||||
int n, fdsbits;
|
||||
static struct timeval tout = { MBT_TIMEOUT, 0 };
|
||||
unsigned char buf[MBT_BUFSIZ];
|
||||
|
||||
alarm(0);
|
||||
fdsbits = in + 1;
|
||||
|
||||
while (TRUE) {
|
||||
FD_ZERO(& fds);
|
||||
FD_SET (in, &fds);
|
||||
FD_SET (0 , &fds);
|
||||
FD_SET (1 , &fds);
|
||||
|
||||
tout.tv_sec = MBT_TIMEOUT;
|
||||
tout.tv_usec = 0;
|
||||
if ((n = select(fdsbits, &fds, NULL, NULL, &tout)) > 0) {
|
||||
if (FD_ISSET(in, &fds)) {
|
||||
if ((n = read(in, buf, sizeof buf)) > 0) {
|
||||
if (write1(buf, n) < 0) {
|
||||
goto bad;
|
||||
}
|
||||
} else {
|
||||
goto bad;
|
||||
}
|
||||
}
|
||||
if (FD_ISSET(0, &fds)) {
|
||||
if ((n = read0(buf, sizeof buf)) > 0) {
|
||||
if (write(in, buf, n) < 0) goto bad;
|
||||
} else {
|
||||
goto bad;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
goto bad;
|
||||
}
|
||||
}
|
||||
bad: ;
|
||||
}
|
||||
|
||||
|
||||
7
mbcico/mbtelnetd.h
Normal file
7
mbcico/mbtelnetd.h
Normal file
@ -0,0 +1,7 @@
|
||||
#ifndef _MBTELNETD_H
|
||||
#define _MBTELNETD_H
|
||||
|
||||
/* $Id$ */
|
||||
|
||||
|
||||
#endif
|
||||
@ -44,7 +44,7 @@
|
||||
|
||||
|
||||
#define BINKPORT 24554
|
||||
// #define TELNPORT 23
|
||||
#define TELNPORT 23
|
||||
#define FIDOPORT 60179 /* Eugene G. Crossers birthday */
|
||||
|
||||
|
||||
@ -103,6 +103,13 @@ int opentcp(char *name)
|
||||
else
|
||||
server.sin_port = htons(FIDOPORT);
|
||||
break;
|
||||
#ifdef USE_TELNET
|
||||
case TCPMODE_ITN: if ((se = getservbyname("tfido", "tcp")))
|
||||
server.sin_port = se->s_port;
|
||||
else
|
||||
server.sin_port = htons(TELNPORT);
|
||||
break;
|
||||
#endif
|
||||
case TCPMODE_IBN: if ((se = getservbyname("binkd", "tcp")))
|
||||
server.sin_port = se->s_port;
|
||||
else
|
||||
@ -214,3 +221,42 @@ void closetcp(void)
|
||||
}
|
||||
|
||||
|
||||
#ifdef USE_TELNET
|
||||
|
||||
#define WILL 251
|
||||
#define WONT 252
|
||||
#define DO 253
|
||||
#define DONT 254
|
||||
#define IAC 255
|
||||
|
||||
#define TOPT_BIN 0
|
||||
#define TOPT_ECHO 1
|
||||
#define TOPT_SUPP 3
|
||||
|
||||
|
||||
static void telnet_answer(int tag, int opt)
|
||||
{
|
||||
char buf[3];
|
||||
|
||||
Syslog('s', "telnet_answer(%d, %d)", tag, opt);
|
||||
buf[0]=IAC;
|
||||
buf[1]=tag;
|
||||
buf[2]=opt;
|
||||
tty_put(buf, 3);
|
||||
}
|
||||
|
||||
|
||||
void telnet_init(void)
|
||||
{
|
||||
Syslog('s', "telnet_init()");
|
||||
telnet_answer(DO,TOPT_SUPP);
|
||||
telnet_answer(WILL,TOPT_SUPP);
|
||||
telnet_answer(DO,TOPT_BIN);
|
||||
telnet_answer(WILL,TOPT_BIN);
|
||||
telnet_answer(DO,TOPT_ECHO);
|
||||
telnet_answer(WILL,TOPT_ECHO);
|
||||
}
|
||||
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
@ -6,5 +6,8 @@
|
||||
int opentcp(char *);
|
||||
void closetcp(void);
|
||||
|
||||
#ifdef USE_TELNET
|
||||
void telnet_init(void);
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
@ -47,9 +47,13 @@
|
||||
#include "binkp.h"
|
||||
#include "callstat.h"
|
||||
#include "inbound.h"
|
||||
#include "opentcp.h"
|
||||
|
||||
|
||||
extern int tcp_mode;
|
||||
#ifdef USE_TELNET
|
||||
extern int telnet;
|
||||
#endif
|
||||
|
||||
|
||||
node *nlent;
|
||||
@ -99,6 +103,11 @@ int session(faddr *a, node *nl, int role, int tp, char *dt)
|
||||
} else if (tcp_mode == TCPMODE_IFC) {
|
||||
Syslog('+', "Incoming IFC/TCP connection from %s", inet_ntoa(peeraddr.sin_addr));
|
||||
IsDoing("Incoming IFC/TCP");
|
||||
#ifdef USE_TELNET
|
||||
} else if (tcp_mode == TCPMODE_ITN) {
|
||||
Syslog('+', "Incoming ITN/TCP connection from %s", inet_ntoa(peeraddr.sin_addr));
|
||||
IsDoing("Incoming ITN/TCP");
|
||||
#endif
|
||||
} else if (tcp_mode == TCPMODE_NONE) {
|
||||
WriteError("Unknown TCP connection, parameter missing");
|
||||
die(MBERR_COMMANDLINE);
|
||||
@ -106,6 +115,10 @@ int session(faddr *a, node *nl, int role, int tp, char *dt)
|
||||
}
|
||||
session_flags |= SESSION_TCP;
|
||||
}
|
||||
#ifdef USE_TELNET
|
||||
if (telnet && (session_flags & SESSION_TCP))
|
||||
telnet_init();
|
||||
#endif
|
||||
|
||||
if (data)
|
||||
free(data);
|
||||
|
||||
@ -5,6 +5,9 @@
|
||||
|
||||
#define TCPMODE_NONE 0
|
||||
#define TCPMODE_IFC 1 /* ifcico native EMSI on raw TCP */
|
||||
#ifdef USE_TELNET
|
||||
#define TCPMODE_ITN 2 /* EMSI encapsulation through telnet */
|
||||
#endif
|
||||
#define TCPMODE_IBN 3 /* Binkp protocol */
|
||||
|
||||
#define SESSION_UNKNOWN 0
|
||||
|
||||
@ -178,7 +178,7 @@ static int tty_read(char *buf, int size, int tot)
|
||||
now = time(NULL);
|
||||
timeout = (time_t)300; /* maximum of 5 minutes */
|
||||
|
||||
for (i = 0; i < 2; i++) {
|
||||
for (i = 0; i < NUMTIMERS; i++) {
|
||||
if (timer[i]) {
|
||||
if (now >= timer[i]) {
|
||||
tty_status=STAT_TIMEOUT;
|
||||
|
||||
@ -203,7 +203,7 @@ int outstat()
|
||||
struct dirent *de;
|
||||
struct stat sb;
|
||||
struct passwd *pw;
|
||||
unsigned long cmmask, ibnmask = 0, ifcmask = 0;
|
||||
unsigned long cmmask, ibnmask = 0, ifcmask = 0, itnmask = 0;
|
||||
nodelist_modem **tmpm;
|
||||
|
||||
cmmask = getCMmask();
|
||||
@ -212,6 +212,10 @@ int outstat()
|
||||
ibnmask = (*tmpm)->mask;
|
||||
if (strcmp((*tmpm)->name, "IFC") == 0)
|
||||
ifcmask = (*tmpm)->mask;
|
||||
#ifdef USE_TELNET
|
||||
if (strcmp((*tmpm)->name, "ITN") == 0)
|
||||
itnmask = (*tmpm)->mask;
|
||||
#endif
|
||||
}
|
||||
now = time(NULL);
|
||||
tm = gmtime(&now); /* UTC time */
|
||||
@ -334,7 +338,7 @@ int outstat()
|
||||
|
||||
rc = load_node(tmp->addr);
|
||||
// Syslog('o', "Load node %s rc=%s, NoCall=%s, NoTCP=%s", fido2str(tmp->addr, 0x0f), rc?"true":"false",
|
||||
// nodes.NoCall?"True":"False", (ibnmask + ifcmask)?"False":"True");
|
||||
// nodes.NoCall?"True":"False", (itnmask + ibnmask + ifcmask)?"False":"True");
|
||||
|
||||
/*
|
||||
* Zone Mail Hours, only use Fidonet Hours.
|
||||
@ -418,7 +422,11 @@ int outstat()
|
||||
*/
|
||||
if (TCFG.max_tcp && (tmp->olflags & cmmask) &&
|
||||
(((tmp->flavors) & F_IMM) || ((tmp->flavors) & F_CRASH) || ((tmp->flavors) & F_NORMAL)) &&
|
||||
((tmp->ipflags & ibnmask) || (tmp->ipflags & ifcmask) )) {
|
||||
#ifdef USE_TELNET
|
||||
((tmp->ipflags & ibnmask) || (tmp->ipflags & ifcmask) || (tmp->ipflags & itnmask))) {
|
||||
#else
|
||||
((tmp->ipflags & ibnmask) || (tmp->ipflags & ifcmask))) {
|
||||
#endif
|
||||
tmp->flavors |= F_CALL;
|
||||
}
|
||||
|
||||
@ -497,7 +505,11 @@ int outstat()
|
||||
if ((tmp->flavors) & F_CALL) {
|
||||
tmp->callmode = CM_NONE;
|
||||
|
||||
#ifdef USE_TELNET
|
||||
if (TCFG.max_tcp && ((tmp->ipflags & ibnmask) || (tmp->ipflags & ifcmask) || (tmp->ipflags & itnmask))) {
|
||||
#else
|
||||
if (TCFG.max_tcp && ((tmp->ipflags & ibnmask) || (tmp->ipflags & ifcmask))) {
|
||||
#endif
|
||||
inet_calls++;
|
||||
tmp->callmode = CM_INET;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user