Index: create.patch.sh
===================================================================
--- create.patch.sh (nonexistent)
+++ create.patch.sh (revision 5)
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+VERSION=0.17
+
+tar --files-from=file.list -xzvf ../netkit-telnet-$VERSION.tar.gz
+mv netkit-telnet-$VERSION netkit-telnet-$VERSION-orig
+
+cp -rf ./netkit-telnet-$VERSION-new ./netkit-telnet-$VERSION
+
+diff --unified -Nr netkit-telnet-$VERSION-orig netkit-telnet-$VERSION > netkit-telnet-$VERSION.patch
+
+mv netkit-telnet-$VERSION.patch ../patches
+
+rm -rf ./netkit-telnet-$VERSION
+rm -rf ./netkit-telnet-$VERSION-orig
Property changes on: create.patch.sh
___________________________________________________________________
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: file.list
===================================================================
--- file.list (nonexistent)
+++ file.list (revision 5)
@@ -0,0 +1,9 @@
+netkit-telnet-0.17/configure
+netkit-telnet-0.17/telnetd/telnetd.c
+netkit-telnet-0.17/telnetd/utility.c
+netkit-telnet-0.17/telnet/commands.cc
+netkit-telnet-0.17/telnet/main.cc
+netkit-telnet-0.17/telnet/netlink.cc
+netkit-telnet-0.17/telnet/network.cc
+netkit-telnet-0.17/telnet/terminal.cc
+netkit-telnet-0.17/telnet/utilities.cc
Index: netkit-telnet-0.17-new/configure
===================================================================
--- netkit-telnet-0.17-new/configure (nonexistent)
+++ netkit-telnet-0.17-new/configure (revision 5)
@@ -0,0 +1,572 @@
+#!/bin/sh
+#
+# This file was generated by confgen version 2.
+# Do not edit.
+#
+
+PREFIX='/usr'
+#EXECPREFIX='$PREFIX'
+INSTALLROOT=''
+BINMODE='755'
+#DAEMONMODE='$BINMODE'
+MANMODE='644'
+
+while [ x$1 != x ]; do case $1 in
+
+ --help)
+ cat <<EOF
+Usage: configure [options]
+ --help Show this message
+ --with-debug Enable debugging
+ --prefix=path Prefix for location of files [/usr]
+ --exec-prefix=path Location for arch-depedent files [prefix]
+ --installroot=root Top of filesystem tree to install in [/]
+ --binmode=mode Mode for binaries [755]
+ --daemonmode=mode Mode for daemon binaries [same as binmode]
+ --manmode=mode Mode for manual pages [644]
+ --with-c-compiler=cc Program for compiling C source [guessed]
+ --with-c++-compiler=cc Program for compiling C++ source [guessed]
+EOF
+ exit 0;;
+ --verbose) ;;
+ --quiet) ;;
+
+ --subdir) . ../configure.defs;;
+
+ --with-debug|--debug) DEBUG=1;;
+ --prefix=*) PREFIX=`echo $1 | sed 's/^[^=]*=//'` ;;
+ --exec-prefix=*) EXECPREFIX=`echo $1 | sed 's/^[^=]*=//'` ;;
+ --installroot=*) INSTALLROOT=`echo $1 | sed 's/^[^=]*=//'` ;;
+ --binmode=*) BINMODE=`echo $1 | sed 's/^[^=]*=//'` ;;
+ --daemonmode=*) DAEMONMODE=`echo $1 | sed 's/^[^=]*=//'` ;;
+ --manmode=*) MANMODE=`echo $1 | sed 's/^[^=]*=//'` ;;
+ --with-c-compiler=*) CC=`echo $1 | sed 's/^[^=]*=//'` ;;
+ --with-c++-compiler=*) CXX=`echo $1 | sed 's/^[^=]*=//'` ;;
+ *) echo "Unrecognized option: $1"; exit 1;;
+esac
+shift
+done
+
+if [ x$EXECPREFIX = x ]; then
+ EXECPREFIX="$PREFIX"
+fi
+
+if [ x$DAEMONMODE = x ]; then
+ DAEMONMODE="$BINMODE"
+fi
+
+BINDIR="$EXECPREFIX/bin"
+SBINDIR="$EXECPREFIX/sbin"
+MANDIR="$PREFIX/share/man"
+
+echo "Directories: $BINDIR $SBINDIR $MANDIR "
+
+if [ x$INSTALLROOT != x ]; then
+ echo "Installing in chroot tree rooted at $INSTALLROOT"
+fi
+
+##################################################
+
+WARNINGS='-Wall -W -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline '
+
+cat << EOF > __conftest.c
+ int main() { int class=0; return class; }
+EOF
+
+if [ x"$CC" = x ]; then
+ echo -n 'Looking for a C compiler... '
+ for TRY in egcs gcc g++ CC c++ cc; do
+ (
+ $TRY __conftest.c -o __conftest || exit 1;
+# ./__conftest || exit 1;
+ ) >/dev/null 2>&1 || continue;
+ CC=$TRY
+ break;
+ done
+ if [ x"$CC" = x ]; then
+ echo 'failed.'
+ echo 'Cannot find a C compiler. Run configure with --with-c-compiler.'
+ rm -f __conftest*
+ exit
+ fi
+ echo "$CC"
+else
+ echo -n 'Checking if C compiler works... '
+ if (
+ $CC __conftest.c -o __conftest || exit 1
+# ./__conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo 'yes'
+ else
+ echo 'no'
+ echo 'Compiler '"$CC"' does not exist or cannot compile C; try another.'
+ rm -f __conftest*
+ exit
+ fi
+fi
+
+echo -n "Checking if $CC accepts gcc warnings... "
+if (
+ $CC $WARNINGS __conftest.c -o __conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo 'yes'
+ CC_WARNINGS=1
+else
+ echo 'no'
+fi
+
+cat << EOF > __conftest.cc
+ template <class T> class fnord { public: T x; fnord(T y) { x=y; }};
+ int main() { fnord<int> a(0); return a.x; }
+EOF
+
+if [ x"$CXX" = x ]; then
+ echo -n 'Looking for a C++ compiler... '
+ for TRY in egcs gcc g++ CC c++ cc; do
+ (
+ $TRY __conftest.cc -o __conftest || exit 1;
+# ./__conftest || exit 1;
+ ) >/dev/null 2>&1 || continue;
+ CXX=$TRY
+ break;
+ done
+ if [ x"$CXX" = x ]; then
+ echo 'failed.'
+ echo 'Cannot find a C++ compiler. Run configure with --with-cpp-compiler.'
+ rm -f __conftest*
+ exit
+ fi
+ echo "$CXX"
+else
+ echo -n 'Checking if C++ compiler works... '
+ if (
+ $CXX __conftest.cc -o __conftest || exit 1
+# ./__conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo 'yes'
+ else
+ echo 'no'
+ echo 'Compiler '"$CXX"' does not exist or cannot compile C++; try another.'
+ rm -f __conftest*
+ exit
+ fi
+fi
+
+echo -n "Checking if $CXX accepts gcc warnings... "
+if (
+ $CXX $WARNINGS __conftest.cc -o __conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo 'yes'
+ CXX_WARNINGS=1
+else
+ echo 'no'
+fi
+
+if [ x$DEBUG = x ]; then
+ echo -n "Checking if $CC accepts -O2... "
+ if (
+ $CC -O2 __conftest.c -o __conftest
+ ) >/dev/null 2>&1; then
+ echo 'yes'
+ CFLAGS="$CFLAGS -O2"
+ else
+ echo 'no'
+ echo -n "Checking if $CC accepts -O... "
+ if (
+ $CC -O __conftest.c -o __conftest
+ ) >/dev/null 2>&1; then
+ echo 'yes'
+ CFLAGS="$CFLAGS -O"
+ else
+ echo 'no'
+ fi
+ fi
+
+else
+ echo -n "Checking if $CC accepts -g... "
+ if (
+ $CC -g __conftest.c -o __conftest
+ ) >/dev/null 2>&1; then
+ echo 'yes'
+ CFLAGS="$CFLAGS -g"
+ else
+ echo 'no'
+ fi
+
+fi
+
+if [ x"$CC" != x"$CXX" ]; then
+ if [ x$DEBUG = x ]; then
+ echo -n "Checking if $CXX accepts -O2... "
+ if (
+ $CXX -O2 __conftest.cc -o __conftest
+ ) >/dev/null 2>&1; then
+ echo 'yes'
+ CXXFLAGS="$CXXFLAGS -O2"
+ else
+ echo 'no'
+ echo -n "Checking if $CXX accepts -O... "
+ if (
+ $CXX -O __conftest.cc -o __conftest
+ ) >/dev/null 2>&1; then
+ echo 'yes'
+ CXXFLAGS="$CXXFLAGS -O"
+ else
+ echo 'no'
+ fi
+ fi
+
+ else
+ echo -n "Checking if $CXX accepts -g... "
+ if (
+ $CXX -g __conftest.cc -o __conftest
+ ) >/dev/null 2>&1; then
+ echo 'yes'
+ CXXFLAGS="$CXXFLAGS -g"
+ else
+ echo 'no'
+ fi
+
+ fi
+else
+ CXXFLAGS="$CFLAGS"
+fi
+echo -n "Checking if $CXX accepts -fno-rtti... "
+if (
+ $CXX -fno-rtti __conftest.cc -o __conftest
+ ) >/dev/null 2>&1; then
+ echo 'yes'
+ CXXFLAGS="$CXXFLAGS -fno-rtti"
+else
+ echo 'no'
+fi
+
+echo -n "Checking if $CXX accepts -fno-exceptions... "
+if (
+ $CXX -fno-exceptions __conftest.cc -o __conftest
+ ) >/dev/null 2>&1; then
+ echo 'yes'
+ CXXFLAGS="$CXXFLAGS -fno-exceptions"
+else
+ echo 'no'
+fi
+
+
+LDFLAGS=$LDFLAGS
+LIBS=$LIBS
+
+rm -f __conftest*
+
+##################################################
+
+echo -n 'Checking for BSD signal semantics... '
+cat <<EOF >__conftest.cc
+#include <unistd.h>
+#include <signal.h>
+int count=0;
+void handle(int foo) { count++; }
+int main() {
+ int pid=getpid();
+ signal(SIGINT, handle);
+ kill(pid,SIGINT);
+ kill(pid,SIGINT);
+ kill(pid,SIGINT);
+ if (count!=3) return 1;
+ return 0;
+}
+
+EOF
+if (
+ $CXX $CXXFLAGS __conftest.cc -o __conftest || exit 1
+# ./__conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo 'yes'
+else
+ if (
+ $CXX $CXXFLAGS -D__USE_BSD_SIGNAL __conftest.cc -o __conftest || exit 1
+# ./__conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo '-D__USE_BSD_SIGNAL'
+ CFLAGS="$CFLAGS -D__USE_BSD_SIGNAL"
+ CXXFLAGS="$CXXFLAGS -D__USE_BSD_SIGNAL"
+ else
+ echo 'no'
+ echo 'This package needs BSD signal semantics to run.'
+ rm -f __conftest*
+ exit
+ fi
+fi
+rm -f __conftest*
+
+##################################################
+
+echo -n 'Checking for ncurses... '
+cat <<EOF >__conftest.cc
+#include <stdio.h>
+#include <curses.h>
+#ifndef KEY_DOWN
+syntax error. /* not ncurses */
+#endif
+int main() {
+ endwin();
+ return 0;
+}
+
+EOF
+if (
+ $CXX $CXXFLAGS __conftest.cc -lncurses -o __conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo 'yes'
+ NCURSES=1
+else
+ if (
+ $CXX $CXXFLAGS -I/usr/include/ncurses __conftest.cc -lncurses -o __conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo '-I/usr/include/ncurses'
+ CFLAGS="$CFLAGS -I/usr/include/ncurses"
+ CXXFLAGS="$CXXFLAGS -I/usr/include/ncurses"
+ NCURSES=1
+ else
+ echo 'no'
+ fi
+fi
+
+if [ x$NCURSES != x ]; then
+ LIBTERMCAP=-lncurses
+else
+ echo -n 'Checking for traditional termcap... '
+cat <<EOF >__conftest.cc
+#include <stdio.h>
+#include <termcap.h>
+int main() {
+ tgetent(NULL, NULL); return 0;
+}
+
+EOF
+ if (
+ $CXX $CXXFLAGS __conftest.cc -ltermcap -o __conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo '-ltermcap'
+ LIBTERMCAP=-ltermcap
+ else
+ echo 'not found'
+ echo 'This package needs termcap to run.'
+ rm -f __conftest*
+ exit
+ fi
+fi
+rm -f __conftest*
+
+##################################################
+
+echo -n 'Checking for GNU libc... '
+cat <<EOF >__conftest.cc
+#include <stdio.h>
+#if defined(__GLIBC__) && (__GLIBC__ >= 2)
+int tester;
+#endif
+int main() { tester=6; return 0; }
+
+EOF
+if (
+ $CXX $CXXFLAGS __conftest.cc -o __conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo 'yes'
+ USE_GLIBC=1
+else
+ echo 'no'
+fi
+rm -f __conftest*
+
+##################################################
+
+echo -n 'Checking for forkpty... '
+cat <<EOF >__conftest.cc
+#include <pty.h>
+int main() { forkpty(0, 0, 0, 0); }
+
+EOF
+if (
+ $CXX $CXXFLAGS __conftest.cc -o __conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo 'yes'
+else
+ if (
+ $CXX $CXXFLAGS __conftest.cc -lutil -o __conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo '-lutil'
+ LIBS="$LIBS -lutil"
+ else
+ if (
+ $CXX $CXXFLAGS __conftest.cc -lbsd -o __conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo '-lbsd'
+ LIBBSD="-lbsd"
+ else
+ echo 'no'
+ echo 'This package requires forkpty.'
+ rm -f __conftest*
+ exit
+ fi
+ fi
+fi
+rm -f __conftest*
+
+##################################################
+
+echo -n 'Checking for logwtmp... '
+cat <<EOF >__conftest.cc
+#ifdef __cplusplus
+extern "C"
+#endif
+void logwtmp(const char *, const char *, const char *);
+int main() { logwtmp(0, 0, 0); }
+
+EOF
+if (
+ $CXX $CXXFLAGS __conftest.cc -o __conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo 'yes'
+else
+ if (
+ $CXX $CXXFLAGS __conftest.cc -lutil -o __conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo '-lutil'
+ LIBS="$LIBS -lutil"
+ else
+ if (
+ $CXX $CXXFLAGS __conftest.cc -lbsd -o __conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo '-lbsd'
+ LIBBSD="-lbsd"
+ else
+ echo 'no'
+ echo 'This package requires logwtmp.'
+ rm -f __conftest*
+ exit
+ fi
+ fi
+fi
+rm -f __conftest*
+
+##################################################
+
+echo -n 'Checking for snprintf declaration... '
+cat <<EOF >__conftest.cc
+#include <stdio.h>
+int main() {
+ void *x = (void *)snprintf;
+ printf("%lx", (long)x);
+ return 0;
+}
+
+EOF
+if (
+ $CXX $CXXFLAGS __conftest.cc -o __conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo 'ok'
+else
+ if (
+ $CXX $CXXFLAGS -D_GNU_SOURCE __conftest.cc -o __conftest || exit 1
+# ./__conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo '-D_GNU_SOURCE'
+ CFLAGS="$CFLAGS -D_GNU_SOURCE"
+ CXXFLAGS="$CXXFLAGS -D_GNU_SOURCE"
+ else
+ echo 'manual'
+ CFLAGS="$CFLAGS -DDECLARE_SNPRINTF"
+ CXXFLAGS="$CXXFLAGS -DDECLARE_SNPRINTF"
+ fi
+fi
+rm -f __conftest*
+
+echo -n 'Checking for snprintf implementation... '
+cat <<EOF >__conftest.cc
+#include <stdio.h>
+#include <string.h>
+#ifdef DECLARE_SNPRINTF
+#ifdef __cplusplus
+extern "C"
+#endif /*__cplusplus*/
+int snprintf(char *, int, const char *, ...);
+#endif /*DECLARE_SNPRINTF*/
+int main() {
+ char buf[32];
+ snprintf(buf, 8, "%s", "1234567890");
+ if (strlen(buf)!=7) return 1;
+ return 0;
+}
+
+EOF
+if (
+ $CXX $CXXFLAGS __conftest.cc $LIBBSD -o __conftest || exit 1
+# ./__conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo 'ok'
+else
+ if (
+ $CXX $CXXFLAGS __conftest.cc -lsnprintf $LIBBSD -o __conftest || exit 1
+# ./__conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo '-lsnprintf'
+ LIBS="$LIBS -lsnprintf"
+ else
+ if (
+ $CXX $CXXFLAGS __conftest.cc -ldb $LIBBSD -o __conftest || exit 1
+# ./__conftest || exit 1
+ ) >/dev/null 2>&1; then
+ echo '-ldb'
+ LIBS="$LIBS -ldb"
+ else
+ echo 'missing'
+ echo 'This package requires snprintf.'
+ rm -f __conftest*
+ exit
+ fi
+ fi
+fi
+rm -f __conftest*
+
+##################################################
+
+## libbsd should go last in case it's broken
+if [ "x$LIBBSD" != x ]; then
+ LIBS="$LIBS $LIBBSD"
+fi
+
+echo 'Generating MCONFIG...'
+(
+ echo -n '# Generated by configure (confgen version 2) on '
+ date
+ echo '#'
+ echo
+
+ echo "BINDIR=$BINDIR"
+ echo "SBINDIR=$SBINDIR"
+ echo "MANDIR=$MANDIR"
+ echo "BINMODE=$BINMODE"
+ echo "DAEMONMODE=$DAEMONMODE"
+ echo "MANMODE=$MANMODE"
+ echo "PREFIX=$PREFIX"
+ echo "EXECPREFIX=$EXECPREFIX"
+ echo "INSTALLROOT=$INSTALLROOT"
+ echo "CC=$CC"
+ echo "CXX=$CXX"
+ if [ x$CC_WARNINGS != x ]; then
+ CFLAGS="$CFLAGS $WARNINGS"
+ fi
+
+ if [ x$CXX_WARNINGS != x ]; then
+ CXXFLAGS="$CXXFLAGS $WARNINGS"
+ fi
+
+ echo "CFLAGS=$CFLAGS" | sed 's/= */=/'
+ echo "CXXFLAGS=$CXXFLAGS" | sed 's/= */=/'
+ echo "LDFLAGS=$LDFLAGS" | sed 's/= */=/'
+ echo "LIBS=$LIBS" | sed 's/= */=/'
+
+ echo "LIBTERMCAP=$LIBTERMCAP"
+ echo "USE_GLIBC=$USE_GLIBC"
+) > MCONFIG
+
Property changes on: netkit-telnet-0.17-new/configure
___________________________________________________________________
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: netkit-telnet-0.17-new/telnet/commands.cc
===================================================================
--- netkit-telnet-0.17-new/telnet/commands.cc (nonexistent)
+++ netkit-telnet-0.17-new/telnet/commands.cc (revision 5)
@@ -0,0 +1,2222 @@
+/*
+ * Copyright (c) 1988, 1990 Regents of the University of California.
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+/*
+ * From: @(#)commands.c 5.5 (Berkeley) 3/22/91
+ */
+char cmd_rcsid[] =
+ "$Id: commands.cc,v 1.34 2000/07/23 04:16:24 dholland Exp $";
+
+#include <string.h>
+
+#include <sys/param.h>
+#include <sys/file.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netinet/ip.h>
+
+#ifdef CRAY
+#include <fcntl.h>
+#endif /* CRAY */
+
+#include <sys/wait.h>
+#include <signal.h>
+#include <netdb.h>
+#include <ctype.h>
+#include <pwd.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <arpa/inet.h>
+#include <arpa/telnet.h>
+
+#include "ring.h"
+
+#include "externs.h"
+#include "defines.h"
+#include "types.h"
+#include "genget.h"
+#include "environ.h"
+#include "proto.h"
+#include "ptrarray.h"
+#include "netlink.h"
+
+/* In Linux, this is an enum */
+#if defined(__linux__) || defined(IPPROTO_IP)
+#define HAS_IPPROTO_IP
+#endif
+
+#ifndef CRAY
+#if (defined(vax) || defined(tahoe) || defined(hp300)) && !defined(ultrix)
+#include <machine/endian.h>
+#endif /* vax */
+#endif /* CRAY */
+
+#define HELPINDENT ((int) sizeof ("connect"))
+
+#ifndef MAXHOSTNAMELEN
+#define MAXHOSTNAMELEN 64
+#endif /* MAXHOSTNAMELEN */
+
+#if defined(HAS_IPPROTO_IP) && defined(IP_TOS)
+int tos = -1;
+#endif /* defined(HAS_IPPROTO_IP) && defined(IP_TOS) */
+
+static unsigned long sourceroute(char *arg, char **cpp, int *lenp);
+
+
+char *hostname;
+static char _hostname[MAXHOSTNAMELEN];
+
+//typedef int (*intrtn_t)(int argc, const char *argv[]);
+
+class command_entry;
+typedef ptrarray<command_entry> command_table;
+
+static int process_command(command_table *tab, int argc, const char **argv);
+
+
+class command_entry {
+ protected:
+ const char *name; /* command name */
+ const char *help; /* help string (NULL for no help) */
+
+ int nargs;
+ union { /* routine which executes command */
+ command_table *subhandler;
+ int (*handlern)(int, const char **);
+ int (*handler0)(void);
+ int (*handler1)(const char *);
+ int (*handler2)(const char *, const char *);
+ };
+ public:
+ command_entry(const char *n, const char *e,
+ int (*h)(int, const char **))
+ {
+ name = n;
+ help = e;
+ nargs = -1; handlern = h;
+ }
+ command_entry(const char *n, const char *e,
+ int (*h)(void))
+ {
+ name = n;
+ help = e;
+ nargs = 0; handler0 = h;
+ }
+ command_entry(const char *n, const char *e,
+ int (*h)(const char *))
+ {
+ name = n;
+ help = e;
+ nargs = 1; handler1 = h;
+ }
+ command_entry(const char *n, const char *e,
+ int (*h)(const char *, const char *))
+ {
+ name = n;
+ help = e;
+ nargs = 2; handler2 = h;
+ }
+ command_entry(const char *n, const char *e, command_table *sub) {
+ name = n;
+ help = e;
+ nargs = -2;
+ subhandler = sub;
+ }
+
+ int call(int argc, const char *argv[]) {
+ assert(argc>=1);
+ if (nargs>=0 && argc!=nargs+1) {
+ fprintf(stderr, "Wrong number of arguments for command.\n");
+ fprintf(stderr, "Try %s ? for help\n", argv[0]);
+ return 0; /* is this right? */
+ }
+ if (nargs==-2) {
+ if (argc<2) {
+ fprintf(stderr, "`%s' requires a subcommand.\n", argv[0]);
+ fprintf(stderr, "Try %s ? for help\n", argv[0]);
+ return 0; /* is this right? */
+ }
+ return process_command(subhandler, argc-1, argv+1);
+ }
+ else if (nargs==-1) return handlern(argc, argv);
+ else if (nargs==0) return handler0();
+ else if (nargs==1) return handler1(argv[1]);
+ else if (nargs==2) return handler2(argv[1], argv[2]);
+ return 0;
+ }
+
+ void describe() {
+ if (help) printf("%-*s\t%s\n", HELPINDENT, name, help);
+ }
+ void gethelp() {
+ if (help) printf("%s\n", help);
+ else printf("No help available\n");
+ }
+
+ const char *getname() const { return name; }
+};
+
+static char line[256];
+static char saveline[256];
+static int margc;
+static const char *margv[20];
+
+static void makeargv(void) {
+ register char *cp, *cp2, c;
+ register const char **argp = margv;
+
+ margc = 0;
+ cp = line;
+ if (*cp == '!') { /* Special case shell escape */
+ strcpy(saveline, line); /* save for shell command */
+ *argp++ = "!"; /* No room in string to get this */
+ margc++;
+ cp++;
+ }
+ while ((c = *cp)!=0) {
+ register int inquote = 0;
+ while (isspace(c))
+ c = *++cp;
+ if (c == '\0')
+ break;
+ *argp++ = cp;
+ margc += 1;
+ for (cp2 = cp; c != '\0'; c = *++cp) {
+ if (inquote) {
+ if (c == inquote) {
+ inquote = 0;
+ continue;
+ }
+ } else {
+ if (c == '\\') {
+ if ((c = *++cp) == '\0')
+ break;
+ } else if (c == '"') {
+ inquote = '"';
+ continue;
+ } else if (c == '\'') {
+ inquote = '\'';
+ continue;
+ } else if (isspace(c))
+ break;
+ }
+ *cp2++ = c;
+ }
+ *cp2 = '\0';
+ if (c == '\0')
+ break;
+ cp++;
+ }
+ *argp++ = 0;
+}
+
+/*
+ * Make a character string into a number.
+ *
+ * Todo: 1. Could take random integers (12, 0x12, 012, 0b1).
+ */
+
+static int special(const char *s) {
+ char c;
+ char b;
+
+ switch (*s) {
+ case '^':
+ b = *++s;
+ if (b == '?') {
+ c = b | 0x40; /* DEL */
+ }
+ else {
+ c = b & 0x1f;
+ }
+ break;
+ default:
+ c = *s;
+ break;
+ }
+ return c;
+}
+
+/*
+ * Construct a control character sequence
+ * for a special character.
+ */
+static const char *control(cc_t c)
+{
+ static char buf[5];
+ /*
+ * The only way I could get the Sun 3.5 compiler
+ * to shut up about
+ * if ((unsigned int)c >= 0x80)
+ * was to assign "c" to an unsigned int variable...
+ * Arggg....
+ */
+ register unsigned int uic = (unsigned int)c;
+
+ if (uic == 0x7f)
+ return ("^?");
+ if (c == (cc_t)_POSIX_VDISABLE) {
+ return "off";
+ }
+ if (uic >= 0x80) {
+ buf[0] = '\\';
+ buf[1] = ((c>>6)&07) + '0';
+ buf[2] = ((c>>3)&07) + '0';
+ buf[3] = (c&07) + '0';
+ buf[4] = 0;
+ } else if (uic >= 0x20) {
+ buf[0] = c;
+ buf[1] = 0;
+ } else {
+ buf[0] = '^';
+ buf[1] = '@'+c;
+ buf[2] = 0;
+ }
+ return (buf);
+}
+
+
+
+/*
+ * The following are data structures and routines for
+ * the "send" command.
+ *
+ */
+
+struct sendlist {
+ const char *name; /* How user refers to it (case independent) */
+ const char *help; /* Help information (0 ==> no help) */
+ int needconnect; /* Need to be connected */
+ int narg; /* Number of arguments */
+ int (*handler)(const char *, const char *);
+ /* Routine to perform (for special ops) */
+ int nbyte; /* Number of bytes to send this command */
+ int what; /* Character to be sent (<0 ==> special) */
+};
+
+static int send_esc(const char *, const char *);
+static int send_help(const char *, const char *);
+static int send_docmd(const char *, const char *);
+static int send_dontcmd(const char *, const char *);
+static int send_willcmd(const char *, const char *);
+static int send_wontcmd(const char *, const char *);
+
+extern int send_do(int, int);
+extern int send_dont(int, int);
+extern int send_will(int, int);
+extern int send_wont(int, int);
+
+static int dosynch1(const char *, const char *) { return dosynch(); }
+
+static struct sendlist Sendlist[] = {
+ { "ao", "Send Telnet Abort output", 1, 0, 0, 2, AO },
+ { "ayt", "Send Telnet 'Are You There'", 1, 0, 0, 2, AYT },
+ { "brk", "Send Telnet Break", 1, 0, 0, 2, BREAK },
+ { "break", 0, 1, 0, 0, 2, BREAK },
+ { "ec", "Send Telnet Erase Character", 1, 0, 0, 2, EC },
+ { "el", "Send Telnet Erase Line", 1, 0, 0, 2, EL },
+ { "escape", "Send current escape character", 1, 0, send_esc, 1, 0 },
+ { "ga", "Send Telnet 'Go Ahead' sequence", 1, 0, 0, 2, GA },
+ { "ip", "Send Telnet Interrupt Process", 1, 0, 0, 2, IP },
+ { "intp", 0, 1, 0, 0, 2, IP },
+ { "interrupt", 0, 1, 0, 0, 2, IP },
+ { "intr", 0, 1, 0, 0, 2, IP },
+ { "nop", "Send Telnet 'No operation'", 1, 0, 0, 2, NOP },
+ { "eor", "Send Telnet 'End of Record'", 1, 0, 0, 2, EOR },
+ { "abort", "Send Telnet 'Abort Process'", 1, 0, 0, 2, ABORT },
+ { "susp", "Send Telnet 'Suspend Process'", 1, 0, 0, 2, SUSP },
+ { "eof", "Send Telnet End of File Character", 1, 0, 0, 2, xEOF },
+ { "synch", "Perform Telnet 'Synch operation'", 1, 0, dosynch1, 2, 0 },
+ { "getstatus", "Send request for STATUS", 1, 0, get_status, 6, 0 },
+ { "?", "Display send options", 0, 0, send_help, 0, 0 },
+ { "help", 0, 0, 0, send_help, 0, 0 },
+ { "do", 0, 0, 1, send_docmd, 3, 0 },
+ { "dont", 0, 0, 1, send_dontcmd, 3, 0 },
+ { "will", 0, 0, 1, send_willcmd, 3, 0 },
+ { "wont", 0, 0, 1, send_wontcmd, 3, 0 },
+ { 0, 0, 0, 0, 0, 0, 0 }
+};
+
+#define GETSEND(name) ((struct sendlist *) genget(name, (char **) Sendlist, \
+ sizeof(struct sendlist)))
+
+static int sendcmd(int argc, const char *argv[]) {
+ int count; /* how many bytes we are going to need to send */
+ int i;
+/* int question = 0;*/ /* was at least one argument a question */
+ struct sendlist *s; /* pointer to current command */
+ int success = 0;
+ int needconnect = 0;
+
+ if (argc < 2) {
+ printf("need at least one argument for 'send' command\n");
+ printf("'send ?' for help\n");
+ return 0;
+ }
+ /*
+ * First, validate all the send arguments.
+ * In addition, we see how much space we are going to need, and
+ * whether or not we will be doing a "SYNCH" operation (which
+ * flushes the network queue).
+ */
+ count = 0;
+ for (i = 1; i < argc; i++) {
+ s = GETSEND(argv[i]);
+ if (s == 0) {
+ printf("Unknown send argument '%s'\n'send ?' for help.\n",
+ argv[i]);
+ return 0;
+ }
+ else if (s == AMBIGUOUS) {
+ printf("Ambiguous send argument '%s'\n'send ?' for help.\n",
+ argv[i]);
+ return 0;
+ }
+ if (i + s->narg >= argc) {
+ fprintf(stderr,
+ "Need %d argument%s to 'send %s' command. 'send %s ?' for help.\n",
+ s->narg, s->narg == 1 ? "" : "s", s->name, s->name);
+ return 0;
+ }
+ count += s->nbyte;
+ if (s->handler == send_help) {
+ send_help(NULL, NULL);
+ return 0;
+ }
+
+ i += s->narg;
+ needconnect += s->needconnect;
+ }
+ if (!connected && needconnect) {
+ printf("?Need to be connected first.\n");
+ printf("'send ?' for help\n");
+ return 0;
+ }
+ /* Now, do we have enough room? */
+ if (netoring.empty_count() < count) {
+ printf("There is not enough room in the buffer TO the network\n");
+ printf("to process your request. Nothing will be done.\n");
+ printf("('send synch' will throw away most data in the network\n");
+ printf("buffer, if this might help.)\n");
+ return 0;
+ }
+ /* OK, they are all OK, now go through again and actually send */
+ count = 0;
+ for (i = 1; i < argc; i++) {
+ if ((s = GETSEND(argv[i])) == 0) {
+ fprintf(stderr, "Telnet 'send' error - argument disappeared!\n");
+ quit();
+ /*NOTREACHED*/
+ }
+ if (s->handler) {
+ count++;
+ success += (*s->handler)((s->narg > 0) ? argv[i+1] : 0,
+ (s->narg > 1) ? argv[i+2] : 0);
+ i += s->narg;
+ }
+ else {
+ NET2ADD(IAC, s->what);
+ printoption("SENT", IAC, s->what);
+ }
+ }
+ return (count == success);
+}
+
+static int send_esc(const char *, const char *) {
+ NETADD(escapechar);
+ return 1;
+}
+
+static int send_docmd(const char *name, const char *) {
+ return send_tncmd(send_do, "do", name);
+}
+
+static int send_dontcmd(const char *name, const char *) {
+ return(send_tncmd(send_dont, "dont", name));
+}
+
+static int send_willcmd(const char *name, const char *) {
+ return(send_tncmd(send_will, "will", name));
+}
+
+static int send_wontcmd(const char *name, const char *) {
+ return(send_tncmd(send_wont, "wont", name));
+}
+
+int send_tncmd(int (*func)(int, int), const char *cmd, const char *name) {
+ char **cpp;
+ extern char *telopts[];
+
+ if (isprefix(name, "help") || isprefix(name, "?")) {
+ register int col, len;
+
+ printf("Usage: send %s <option>\n", cmd);
+ printf("Valid options are:\n\t");
+
+ col = 8;
+ for (cpp = telopts; *cpp; cpp++) {
+ len = strlen(*cpp) + 1;
+ if (col + len > 65) {
+ printf("\n\t");
+ col = 8;
+ }
+ printf(" %s", *cpp);
+ col += len;
+ }
+ printf("\n");
+ return 0;
+ }
+ cpp = genget(name, telopts, sizeof(char *));
+ if (cpp == AMBIGUOUS) {
+ fprintf(stderr,"'%s': ambiguous argument ('send %s ?' for help).\n",
+ name, cmd);
+ return 0;
+ }
+ if (cpp == 0) {
+ fprintf(stderr, "'%s': unknown argument ('send %s ?' for help).\n",
+ name, cmd);
+ return 0;
+ }
+ if (!connected) {
+ printf("?Need to be connected first.\n");
+ return 0;
+ }
+ (*func)(cpp - telopts, 1);
+ return 1;
+}
+
+static int send_help(const char *, const char *) {
+ struct sendlist *s; /* pointer to current command */
+ for (s = Sendlist; s->name; s++) {
+ if (s->help)
+ printf("%-15s %s\n", s->name, s->help);
+ }
+ return(0);
+}
+
+/*
+ * The following are the routines and data structures referred
+ * to by the arguments to the "toggle" command.
+ */
+
+static int lclchars(int) {
+ donelclchars = 1;
+ return 1;
+}
+
+static int togdebug(int) {
+ return nlink.setdebug(debug);
+}
+
+
+static int togcrlf(int) {
+ if (crlf) {
+ printf("Will send carriage returns as telnet <CR><LF>.\n");
+ }
+ else {
+ printf("Will send carriage returns as telnet <CR><NUL>.\n");
+ }
+ return 1;
+}
+
+int binmode;
+
+static int togbinary(int val) {
+ donebinarytoggle = 1;
+
+ if (val >= 0) {
+ binmode = val;
+ } else {
+ if (my_want_state_is_will(TELOPT_BINARY) &&
+ my_want_state_is_do(TELOPT_BINARY)) {
+ binmode = 1;
+ } else if (my_want_state_is_wont(TELOPT_BINARY) &&
+ my_want_state_is_dont(TELOPT_BINARY)) {
+ binmode = 0;
+ }
+ val = binmode ? 0 : 1;
+ }
+
+ if (val == 1) {
+ if (my_want_state_is_will(TELOPT_BINARY) &&
+ my_want_state_is_do(TELOPT_BINARY)) {
+ printf("Already operating in binary mode with remote host.\n");
+ } else {
+ printf("Negotiating binary mode with remote host.\n");
+ tel_enter_binary(3);
+ }
+ } else {
+ if (my_want_state_is_wont(TELOPT_BINARY) &&
+ my_want_state_is_dont(TELOPT_BINARY)) {
+ printf("Already in network ascii mode with remote host.\n");
+ } else {
+ printf("Negotiating network ascii mode with remote host.\n");
+ tel_leave_binary(3);
+ }
+ }
+ return 1;
+}
+
+static int togrbinary(int val) {
+ donebinarytoggle = 1;
+
+ if (val == -1)
+ val = my_want_state_is_do(TELOPT_BINARY) ? 0 : 1;
+
+ if (val == 1) {
+ if (my_want_state_is_do(TELOPT_BINARY)) {
+ printf("Already receiving in binary mode.\n");
+ }
+ else {
+ printf("Negotiating binary mode on input.\n");
+ tel_enter_binary(1);
+ }
+ }
+ else {
+ if (my_want_state_is_dont(TELOPT_BINARY)) {
+ printf("Already receiving in network ascii mode.\n");
+ } else {
+ printf("Negotiating network ascii mode on input.\n");
+ tel_leave_binary(1);
+ }
+ }
+ return 1;
+}
+
+static int togxbinary(int val) {
+ donebinarytoggle = 1;
+
+ if (val == -1)
+ val = my_want_state_is_will(TELOPT_BINARY) ? 0 : 1;
+
+ if (val == 1) {
+ if (my_want_state_is_will(TELOPT_BINARY)) {
+ printf("Already transmitting in binary mode.\n");
+ }
+ else {
+ printf("Negotiating binary mode on output.\n");
+ tel_enter_binary(2);
+ }
+ }
+ else {
+ if (my_want_state_is_wont(TELOPT_BINARY)) {
+ printf("Already transmitting in network ascii mode.\n");
+ }
+ else {
+ printf("Negotiating network ascii mode on output.\n");
+ tel_leave_binary(2);
+ }
+ }
+ return 1;
+}
+
+
+static int netdata; /* Print out network data flow */
+static int prettydump; /* Print "netdata" output in user readable format */
+static int termdata; /* Print out terminal data flow */
+
+static int togglehelp(int);
+
+struct togglelist {
+ const char *name; /* name of toggle */
+ const char *help; /* help message */
+ int (*handler)(int); /* routine to do actual setting */
+ int *variable;
+ const char *actionexplanation;
+};
+
+static struct togglelist Togglelist[] = {
+ { "autoflush", "flushing of output when sending interrupt characters",
+ NULL, &autoflush,
+ "flush output when sending interrupt characters" },
+
+ { "autosynch", "automatic sending of interrupt characters in urgent mode",
+ NULL, &autosynch,
+ "send interrupt characters in urgent mode" },
+
+#if 0
+ { "autologin", "automatic sending of login and/or authentication info",
+ NULL, &autologin,
+ "send login name and/or authentication information" },
+ { "authdebug", "Toggle authentication debugging",
+ auth_togdebug, NULL,
+ "print authentication debugging information" },
+ { "autoencrypt", "automatic encryption of data stream",
+ EncryptAutoEnc, NULL,
+ "automatically encrypt output" },
+ { "autodecrypt", "automatic decryption of data stream",
+ EncryptAutoDec, NULL,
+ "automatically decrypt input" },
+ { "verbose_encrypt", "Toggle verbose encryption output",
+ EncryptVerbose, NULL,
+ "print verbose encryption output" },
+ { "encdebug", "Toggle encryption debugging",
+ EncryptDebug, NULL,
+ "print encryption debugging information" },
+#endif
+
+ { "skiprc", "don't read ~/.telnetrc file",
+ NULL, &skiprc,
+ "read ~/.telnetrc file" },
+ { "binary",
+ "sending and receiving of binary data",
+ togbinary, NULL,
+ NULL },
+ { "inbinary", "receiving of binary data",
+ togrbinary, NULL,
+ NULL },
+ { "outbinary", "sending of binary data",
+ togxbinary, 0,
+ NULL },
+ { "crlf", "sending carriage returns as telnet <CR><LF>",
+ togcrlf, &crlf,
+ NULL },
+ { "crmod", "mapping of received carriage returns",
+ NULL, &crmod,
+ "map carriage return on output" },
+ { "localchars", "local recognition of certain control characters",
+ lclchars, &localchars,
+ "recognize certain control characters" },
+
+ { " ", "", 0, 0, 0 }, /* empty line */
+
+#if defined(TN3270) && !defined(__linux__)
+ { "apitrace", "(debugging) toggle tracing of API transactions",
+ NULL, &apitrace,
+ "trace API transactions" },
+ { "cursesdata", "(debugging) toggle printing of hexadecimal curses data",
+ NULL, &cursesdata,
+ "print hexadecimal representation of curses data" },
+#endif /* TN3270 and not linux */
+
+ { "debug", "debugging",
+ togdebug, &debug,
+ "turn on socket level debugging" },
+ { "netdata", "printing of hexadecimal network data (debugging)",
+ NULL, &netdata,
+ "print hexadecimal representation of network traffic" },
+ { "prettydump","output of \"netdata\" to user readable format (debugging)",
+ NULL, &prettydump,
+ "print user readable output for \"netdata\"" },
+ { "options", "viewing of options processing (debugging)",
+ NULL, &showoptions,
+ "show option processing" },
+
+ { "termdata", "(debugging) toggle printing of hexadecimal terminal data",
+ NULL, &termdata,
+ "print hexadecimal representation of terminal traffic" },
+
+ { "?", NULL, togglehelp, 0, 0 },
+ { "help", NULL, togglehelp, 0, 0 },
+ { 0, 0, 0, 0, 0 }
+};
+
+static int togglehelp(int) {
+ struct togglelist *c;
+
+ for (c = Togglelist; c->name; c++) {
+ if (c->help) {
+ if (*c->help)
+ printf("%-15s toggle %s\n", c->name, c->help);
+ else
+ printf("\n");
+ }
+ }
+ printf("\n");
+ printf("%-15s %s\n", "?", "display help information");
+ return 0;
+}
+
+static void settogglehelp(int set) {
+ struct togglelist *c;
+
+ for (c = Togglelist; c->name; c++) {
+ if (c->help) {
+ if (*c->help)
+ printf("%-15s %s %s\n", c->name, set ? "enable" : "disable",
+ c->help);
+ else
+ printf("\n");
+ }
+ }
+}
+
+#define GETTOGGLE(name) (struct togglelist *) \
+ genget(name, (char **) Togglelist, sizeof(struct togglelist))
+
+static int toggle(int argc, const char *argv[]) {
+ int retval = 1;
+ const char *name;
+ struct togglelist *c;
+
+ if (argc < 2) {
+ fprintf(stderr,
+ "Need an argument to 'toggle' command. 'toggle ?' for help.\n");
+ return 0;
+ }
+ argc--;
+ argv++;
+ while (argc--) {
+ name = *argv++;
+ c = GETTOGGLE(name);
+ if (c == AMBIGUOUS) {
+ fprintf(stderr, "'%s': ambiguous argument ('toggle ?' for help).\n",
+ name);
+ return 0;
+ }
+ else if (c == 0) {
+ fprintf(stderr, "'%s': unknown argument ('toggle ?' for help).\n",
+ name);
+ return 0;
+ }
+ else {
+ if (c->variable) {
+ *c->variable = !*c->variable; /* invert it */
+ if (c->actionexplanation) {
+ printf("%s %s.\n", *c->variable? "Will" : "Won't",
+ c->actionexplanation);
+ }
+ }
+ if (c->handler) {
+ retval &= (*c->handler)(-1);
+ }
+ }
+ }
+ return retval;
+}
+
+/*
+ * The following perform the "set" command.
+ */
+
+struct setlist {
+ const char *name; /* name */
+ const char *help; /* help information */
+ void (*handler)(const char *);
+ cc_t *charp; /* where it is located at */
+};
+
+static struct setlist Setlist[] = {
+#ifdef KLUDGELINEMODE
+ { "echo", "character to toggle local echoing on/off", 0, &echoc },
+#endif
+ { "escape", "character to escape back to telnet command mode", 0, &escapechar },
+ { "rlogin", "rlogin escape character", 0, &rlogin },
+ { "tracefile", "file to write trace information to", SetNetTrace, (cc_t *)NetTraceFile},
+ { " ", "", 0, 0 },
+ { " ", "The following need 'localchars' to be toggled true", 0, 0 },
+ { "flushoutput", "character to cause an Abort Output", 0, termFlushCharp },
+ { "interrupt", "character to cause an Interrupt Process", 0, termIntCharp },
+ { "quit", "character to cause an Abort process", 0, termQuitCharp },
+ { "eof", "character to cause an EOF ", 0, termEofCharp },
+ { " ", "", 0, 0 },
+ { " ", "The following are for local editing in linemode", 0, 0 },
+ { "erase", "character to use to erase a character", 0, termEraseCharp },
+ { "kill", "character to use to erase a line", 0, termKillCharp },
+ { "lnext", "character to use for literal next", 0, termLiteralNextCharp },
+ { "susp", "character to cause a Suspend Process", 0, termSuspCharp },
+ { "reprint", "character to use for line reprint", 0, termRprntCharp },
+ { "worderase", "character to use to erase a word", 0, termWerasCharp },
+ { "start", "character to use for XON", 0, termStartCharp },
+ { "stop", "character to use for XOFF", 0, termStopCharp },
+ { "forw1", "alternate end of line character", 0, termForw1Charp },
+ { "forw2", "alternate end of line character", 0, termForw2Charp },
+ { "ayt", "alternate AYT character", 0, termAytCharp },
+ { 0, 0, 0, 0 }
+};
+
+#if defined(CRAY) && !defined(__STDC__)
+/* Work around compiler bug in pcc 4.1.5 */
+ void
+_setlist_init()
+{
+#ifndef KLUDGELINEMODE
+#define N 5
+#else
+#define N 6
+#endif
+ Setlist[N+0].charp = &termFlushChar;
+ Setlist[N+1].charp = &termIntChar;
+ Setlist[N+2].charp = &termQuitChar;
+ Setlist[N+3].charp = &termEofChar;
+ Setlist[N+6].charp = &termEraseChar;
+ Setlist[N+7].charp = &termKillChar;
+ Setlist[N+8].charp = &termLiteralNextChar;
+ Setlist[N+9].charp = &termSuspChar;
+ Setlist[N+10].charp = &termRprntChar;
+ Setlist[N+11].charp = &termWerasChar;
+ Setlist[N+12].charp = &termStartChar;
+ Setlist[N+13].charp = &termStopChar;
+ Setlist[N+14].charp = &termForw1Char;
+ Setlist[N+15].charp = &termForw2Char;
+ Setlist[N+16].charp = &termAytChar;
+#undef N
+}
+#endif /* defined(CRAY) && !defined(__STDC__) */
+
+static struct setlist *
+getset(const char *name)
+{
+ return (struct setlist *)
+ genget(name, (char **) Setlist, sizeof(struct setlist));
+}
+
+void set_escape_char(char *s) {
+ if (rlogin != _POSIX_VDISABLE) {
+ rlogin = (s && *s) ? special(s) : _POSIX_VDISABLE;
+ printf("Telnet rlogin escape character is '%s'.\n",
+ control(rlogin));
+ }
+ else {
+ escapechar = (s && *s) ? special(s) : _POSIX_VDISABLE;
+ printf("Telnet escape character is '%s'.\n", control(escapechar));
+ }
+}
+
+static int setcmd(int argc, const char *argv[]) {
+ int value;
+ struct setlist *ct;
+ struct togglelist *c;
+
+ if (argc < 2 || argc > 3) {
+ printf("Format is 'set Name Value'\n'set ?' for help.\n");
+ return 0;
+ }
+ if ((argc == 2) && (isprefix(argv[1], "?") || isprefix(argv[1], "help"))) {
+ for (ct = Setlist; ct->name; ct++)
+ printf("%-15s %s\n", ct->name, ct->help);
+ printf("\n");
+ settogglehelp(1);
+ printf("%-15s %s\n", "?", "display help information");
+ return 0;
+ }
+
+ ct = getset(argv[1]);
+ if (ct == 0) {
+ c = GETTOGGLE(argv[1]);
+ if (c == 0) {
+ fprintf(stderr, "'%s': unknown argument ('set ?' for help).\n",
+ argv[1]);
+ return 0;
+ }
+ else if (c == AMBIGUOUS) {
+ fprintf(stderr, "'%s': ambiguous argument ('set ?' for help).\n",
+ argv[1]);
+ return 0;
+ }
+ if (c->variable) {
+ if ((argc == 2) || (strcmp("on", argv[2]) == 0))
+ *c->variable = 1;
+ else if (strcmp("off", argv[2]) == 0)
+ *c->variable = 0;
+ else {
+ printf("Format is 'set togglename [on|off]'\n'set ?' for help.\n");
+ return 0;
+ }
+ if (c->actionexplanation) {
+ printf("%s %s.\n", *c->variable? "Will" : "Won't",
+ c->actionexplanation);
+ }
+ }
+ if (c->handler)
+ (*c->handler)(1);
+ }
+ else if (argc != 3) {
+ printf("Format is 'set Name Value'\n'set ?' for help.\n");
+ return 0;
+ }
+ else if (ct == AMBIGUOUS) {
+ fprintf(stderr, "'%s': ambiguous argument ('set ?' for help).\n",
+ argv[1]);
+ return 0;
+ }
+ else if (ct->handler) {
+ (*ct->handler)(argv[2]);
+ printf("%s set to \"%s\".\n", ct->name, (char *)ct->charp);
+ }
+ else {
+ if (strcmp("off", argv[2])) {
+ value = special(argv[2]);
+ } else {
+ value = _POSIX_VDISABLE;
+ }
+ *(ct->charp) = (cc_t)value;
+ printf("%s character is '%s'.\n", ct->name, control(*(ct->charp)));
+ }
+ slc_check();
+ return 1;
+}
+
+static int unsetcmd(int argc, const char *argv[]) {
+ struct setlist *ct;
+ struct togglelist *c;
+ const char *name;
+
+ if (argc < 2) {
+ fprintf(stderr,
+ "Need an argument to 'unset' command. 'unset ?' for help.\n");
+ return 0;
+ }
+ if (isprefix(argv[1], "?") || isprefix(argv[1], "help")) {
+ for (ct = Setlist; ct->name; ct++)
+ printf("%-15s %s\n", ct->name, ct->help);
+ printf("\n");
+ settogglehelp(0);
+ printf("%-15s %s\n", "?", "display help information");
+ return 0;
+ }
+
+ argc--;
+ argv++;
+ while (argc--) {
+ name = *argv++;
+ ct = getset(name);
+ if (ct == 0) {
+ c = GETTOGGLE(name);
+ if (c == 0) {
+ fprintf(stderr, "'%s': unknown argument ('unset ?' for help).\n",
+ name);
+ return 0;
+ }
+ else if (c == AMBIGUOUS) {
+ fprintf(stderr, "'%s': ambiguous argument ('unset ?' for help).\n",
+ name);
+ return 0;
+ }
+ if (c->variable) {
+ *c->variable = 0;
+ if (c->actionexplanation) {
+ printf("%s %s.\n", *c->variable? "Will" : "Won't",
+ c->actionexplanation);
+ }
+ }
+ if (c->handler)
+ (*c->handler)(0);
+ }
+ else if (ct == AMBIGUOUS) {
+ fprintf(stderr, "'%s': ambiguous argument ('unset ?' for help).\n",
+ name);
+ return 0;
+ }
+ else if (ct->handler) {
+ (*ct->handler)(0);
+ printf("%s reset to \"%s\".\n", ct->name, (char *)ct->charp);
+ }
+ else {
+ *(ct->charp) = _POSIX_VDISABLE;
+ printf("%s character is '%s'.\n", ct->name, control(*(ct->charp)));
+ }
+ }
+ return 1;
+}
+
+/*
+ * The following are the data structures and routines for the
+ * 'mode' command.
+ */
+#ifdef KLUDGELINEMODE
+extern int kludgelinemode;
+
+static int dokludgemode(int) {
+ kludgelinemode = 1;
+ send_wont(TELOPT_LINEMODE, 1);
+ send_dont(TELOPT_SGA, 1);
+ send_dont(TELOPT_ECHO, 1);
+ return 0;
+}
+#endif
+
+static int dolinemode(int) {
+#ifdef KLUDGELINEMODE
+ if (kludgelinemode)
+ send_dont(TELOPT_SGA, 1);
+#endif
+ send_will(TELOPT_LINEMODE, 1);
+ send_dont(TELOPT_ECHO, 1);
+ return 1;
+}
+
+static int docharmode(int) {
+#ifdef KLUDGELINEMODE
+ if (kludgelinemode)
+ send_do(TELOPT_SGA, 1);
+ else
+#endif
+ send_wont(TELOPT_LINEMODE, 1);
+ send_do(TELOPT_ECHO, 1);
+ return 1;
+}
+
+static int dolmmode(int bit, int on) {
+ unsigned char c;
+ extern int linemode;
+
+ if (my_want_state_is_wont(TELOPT_LINEMODE)) {
+ printf("?Need to have LINEMODE option enabled first.\n");
+ printf("'mode ?' for help.\n");
+ return 0;
+ }
+
+ if (on)
+ c = (linemode | bit);
+ else
+ c = (linemode & ~bit);
+ lm_mode(&c, 1, 1);
+ return 1;
+}
+
+int setmode(int bit) {
+ return dolmmode(bit, 1);
+}
+
+int clearmode(int bit) {
+ return dolmmode(bit, 0);
+}
+
+struct modelist {
+ const char *name; /* command name */
+ const char *help; /* help string */
+ int (*handler)(int); /* routine which executes command */
+ int needconnect; /* Do we need to be connected to execute? */
+ int arg1;
+};
+
+extern int modehelp(int);
+
+static struct modelist ModeList[] = {
+ { "character", "Disable LINEMODE option", docharmode, 1,0},
+#ifdef KLUDGELINEMODE
+ { "", "(or disable obsolete line-by-line mode)", NULL, 0,0 },
+#endif
+ { "line", "Enable LINEMODE option", dolinemode, 1,0},
+#ifdef KLUDGELINEMODE
+ { "", "(or enable obsolete line-by-line mode)", NULL, 0,0 },
+#endif
+ { "", "", NULL, 0, 0 },
+ { "", "These require the LINEMODE option to be enabled", NULL, 0, 0},
+ { "isig", "Enable signal trapping", setmode, 1, MODE_TRAPSIG },
+ { "+isig", 0, setmode, 1, MODE_TRAPSIG },
+ { "-isig", "Disable signal trapping", clearmode, 1, MODE_TRAPSIG },
+ { "edit", "Enable character editing", setmode, 1, MODE_EDIT },
+ { "+edit", 0, setmode, 1, MODE_EDIT },
+ { "-edit", "Disable character editing", clearmode, 1, MODE_EDIT },
+ { "softtabs", "Enable tab expansion", setmode, 1, MODE_SOFT_TAB },
+ { "+softtabs", 0, setmode, 1, MODE_SOFT_TAB },
+ { "-softtabs", "Disable character editing", clearmode, 1, MODE_SOFT_TAB },
+ { "litecho", "Enable literal character echo", setmode, 1, MODE_LIT_ECHO },
+ { "+litecho", 0, setmode, 1, MODE_LIT_ECHO },
+ { "-litecho", "Disable literal character echo", clearmode, 1, MODE_LIT_ECHO },
+ { "help", 0, modehelp, 0, 0 },
+#ifdef KLUDGELINEMODE
+ { "kludgeline", 0, dokludgemode, 1, 0 },
+#endif
+ { "", "", 0, 0, 0 },
+ { "?", "Print help information", modehelp, 0, 0 },
+ { 0, 0, 0, 0, 0 },
+};
+
+
+int modehelp(int) {
+ struct modelist *mt;
+
+ printf("format is: 'mode Mode', where 'Mode' is one of:\n\n");
+ for (mt = ModeList; mt->name; mt++) {
+ if (mt->help) {
+ if (*mt->help)
+ printf("%-15s %s\n", mt->name, mt->help);
+ else
+ printf("\n");
+ }
+ }
+ return 0;
+}
+
+#define GETMODECMD(name) (struct modelist *) \
+ genget(name, (char **) ModeList, sizeof(struct modelist))
+
+static int modecmd(const char *arg) {
+ struct modelist *mt;
+
+ mt = GETMODECMD(arg);
+ if (mt == 0) {
+ fprintf(stderr, "Unknown mode '%s' ('mode ?' for help).\n", arg);
+ }
+ else if (mt == AMBIGUOUS) {
+ fprintf(stderr, "Ambiguous mode '%s' ('mode ?' for help).\n", arg);
+ }
+ else if (mt->needconnect && !connected) {
+ printf("?Need to be connected first.\n");
+ printf("'mode ?' for help.\n");
+ }
+ else if (mt->handler) {
+ return (*mt->handler)(mt->arg1);
+ }
+ return 0;
+}
+
+/*
+ * The following data structures and routines implement the
+ * "display" command.
+ */
+
+static void dotog(struct togglelist *tl) {
+ if (tl->variable && tl->actionexplanation) {
+ if (*tl->variable) {
+ printf("will");
+ }
+ else {
+ printf("won't");
+ }
+ printf(" %s.\n", tl->actionexplanation);
+ }
+}
+
+static void doset(struct setlist *sl) {
+ if (sl->name && *sl->name != ' ') {
+ if (sl->handler == 0) {
+ printf("%-15s [%s]\n", sl->name, control(*sl->charp));
+ }
+ else {
+ printf("%-15s \"%s\"\n", sl->name, (char *)sl->charp);
+ }
+ }
+}
+
+static int display(int argc, const char *argv[]) {
+ struct togglelist *tl;
+ struct setlist *sl;
+
+ if (argc == 1) {
+ for (tl = Togglelist; tl->name; tl++) {
+ dotog(tl);
+ }
+ printf("\n");
+ for (sl = Setlist; sl->name; sl++) {
+ doset(sl);
+ }
+ }
+ else {
+ int i;
+
+ for (i = 1; i < argc; i++) {
+ sl = getset(argv[i]);
+ tl = GETTOGGLE(argv[i]);
+ if (sl == AMBIGUOUS || tl == AMBIGUOUS) {
+ printf("?Ambiguous argument '%s'.\n", argv[i]);
+ return 0;
+ }
+ else if (!sl && !tl) {
+ printf("?Unknown argument '%s'.\n", argv[i]);
+ return 0;
+ }
+ else {
+ if (tl) {
+ dotog(tl);
+ }
+ if (sl) {
+ doset(sl);
+ }
+ }
+ }
+ }
+ optionstatus();
+ return 1;
+}
+
+/*
+ * The following are the data structures, and many of the routines,
+ * relating to command processing.
+ */
+
+/*
+ * Set the escape character.
+ */
+static int setescape(int argc, const char *argv[]) {
+ const char *arg;
+ char buf[50];
+
+ printf(
+ "Deprecated usage - please use 'set escape%s%s' in the future.\n",
+ (argc > 2)? " ":"", (argc > 2)? argv[1]: "");
+ if (argc > 2) {
+ arg = argv[1];
+ }
+ else {
+ printf("new escape character: ");
+ (void) fgets(buf, sizeof(buf), stdin);
+ arg = buf;
+ }
+ if (arg[0] != '\0')
+ escapechar = arg[0];
+ if (!In3270) {
+ printf("Escape character is '%s'.\n", control(escapechar));
+ }
+ (void) fflush(stdout);
+ return 1;
+}
+
+static int togcrmod(void) {
+ crmod = !crmod;
+ printf("Deprecated usage - please use 'toggle crmod' in the future.\n");
+ printf("%s map carriage return on output.\n", crmod ? "Will" : "Won't");
+ fflush(stdout);
+ return 1;
+}
+
+int suspend(void) {
+#ifdef SIGTSTP
+ setcommandmode();
+ {
+ long oldrows, oldcols, newrows, newcols, err;
+
+ err = TerminalWindowSize(&oldrows, &oldcols);
+ (void) kill(0, SIGTSTP);
+ err += TerminalWindowSize(&newrows, &newcols);
+ if (connected && !err &&
+ ((oldrows != newrows) || (oldcols != newcols))) {
+ sendnaws();
+ }
+ }
+ /* reget parameters in case they were changed */
+ TerminalSaveState();
+ setconnmode(0);
+#else
+ printf("Suspend is not supported. Try the '!' command instead\n");
+#endif
+ return 1;
+}
+
+#if !defined(TN3270)
+int shell(int argc, const char **) {
+ setcommandmode();
+ switch(vfork()) {
+ case -1:
+ perror("Fork failed\n");
+ break;
+
+ case 0:
+ {
+ /*
+ * Fire up the shell in the child.
+ */
+ const char *shellp, *shellname;
+
+ shellp = getenv("SHELL");
+ if (shellp == NULL)
+ shellp = "/bin/sh";
+ if ((shellname = rindex(shellp, '/')) == 0)
+ shellname = shellp;
+ else
+ shellname++;
+ if (argc > 1)
+ execl(shellp, shellname, "-c", &saveline[1], 0);
+ else
+ execl(shellp, shellname, 0);
+ perror("Execl");
+ _exit(1);
+ }
+ default:
+ wait(NULL); /* Wait for the shell to complete */
+ }
+ return 1;
+}
+#endif /* !defined(TN3270) */
+
+static int dobye(int isfromquit) {
+ extern int resettermname;
+
+ if (connected) {
+ nlink.close(1);
+ printf("Connection closed.\n");
+ connected = 0;
+ resettermname = 1;
+
+ /* reset options */
+ tninit();
+#if defined(TN3270)
+ SetIn3270(); /* Get out of 3270 mode */
+#endif /* defined(TN3270) */
+ }
+ if (!isfromquit) {
+ siglongjmp(toplevel, 1);
+ /* NOTREACHED */
+ }
+ return 1; /* Keep lint, etc., happy */
+}
+
+static int bye(void) {
+ if (!connected) {
+ printf("Need to be connected first for `bye'.\n");
+ return 0;
+ }
+ return dobye(0);
+}
+
+void quit(void) {
+ dobye(1);
+ Exit(0);
+}
+
+int logout(void) {
+ if (!connected) {
+ printf("Need to be connected first for `logout'.\n");
+ return 0;
+ }
+ send_do(TELOPT_LOGOUT, 1);
+ netflush();
+ return 1;
+}
+
+/*
+ * The ENVIRON command.
+ */
+
+struct envcmd {
+ const char *name;
+ const char *help;
+ void (*handler)(const char *, const char *);
+ int narg;
+};
+
+static void env_help(const char *, const char *);
+
+typedef void (*envfunc)(const char *, const char *);
+
+struct envcmd EnvList[] = {
+ { "define", "Define an environment variable",
+ env_define, 2 },
+ { "undefine", "Undefine an environment variable",
+ (envfunc) env_undefine, 1 },
+ { "export", "Mark an environment variable for automatic export",
+ (envfunc) env_export, 1 },
+ { "unexport", "Don't mark an environment variable for automatic export",
+ (envfunc) env_unexport, 1 },
+ { "send", "Send an environment variable", (envfunc) env_send, 1 },
+ { "list", "List the current environment variables",
+ (envfunc) env_list, 0 },
+ { "help", 0, env_help, 0 },
+ { "?", "Print help information", env_help, 0 },
+ { 0, 0, 0, 0 },
+};
+
+static void env_help(const char *, const char *) {
+ struct envcmd *c;
+
+ for (c = EnvList; c->name; c++) {
+ if (c->help) {
+ if (*c->help)
+ printf("%-15s %s\n", c->name, c->help);
+ else
+ printf("\n");
+ }
+ }
+}
+
+static struct envcmd *getenvcmd(const char *name) {
+ return (struct envcmd *)
+ genget(name, (char **) EnvList, sizeof(struct envcmd));
+}
+
+int env_cmd(int argc, const char *argv[]) {
+ struct envcmd *c;
+
+ if (argc < 2) {
+ fprintf(stderr,
+ "Need an argument to 'environ' command. 'environ ?' for help.\n");
+ return 0;
+ }
+ c = getenvcmd(argv[1]);
+ if (c == 0) {
+ fprintf(stderr, "'%s': unknown argument ('environ ?' for help).\n",
+ argv[1]);
+ return 0;
+ }
+ if (c == AMBIGUOUS) {
+ fprintf(stderr, "'%s': ambiguous argument ('environ ?' for help).\n",
+ argv[1]);
+ return 0;
+ }
+ if (c->narg + 2 != argc) {
+ fprintf(stderr,
+ "Need %s%d argument%s to 'environ %s' command. 'environ ?' for help.\n",
+ c->narg < argc + 2 ? "only " : "",
+ c->narg, c->narg == 1 ? "" : "s", c->name);
+ return 0;
+ }
+ (*c->handler)(argv[2], argv[3]);
+ return 1;
+}
+
+
+/*
+ * The AUTHENTICATE command.
+ *
+ * auth status Display status
+ * auth disable Disable an authentication type
+ * auth enable Enable an authentication type
+ *
+ * The ENCRYPT command.
+ *
+ * encrypt enable Enable encryption
+ * encrypt disable Disable encryption
+ * encrypt type foo Set encryption type
+ * encrypt start Start encryption
+ * encrypt stop Stop encryption
+ * encrypt input Start encrypting input stream
+ * encrypt -input Stop encrypting input stream
+ * encrypt output Start encrypting output stream
+ * encrypt -output Stop encrypting output stream
+ * encrypt status Print status
+ */
+
+
+#ifdef TN3270
+char *oflgs[] = { "read-only", "write-only", "read-write" };
+
+static void filestuff(int fd) {
+ int res;
+
+#ifdef F_GETOWN
+ setconnmode(0);
+ res = fcntl(fd, F_GETOWN, 0);
+ setcommandmode();
+
+ if (res == -1) {
+ perror("fcntl");
+ return;
+ }
+ printf("\tOwner is %d.\n", res);
+#endif
+
+ setconnmode(0);
+ res = fcntl(fd, F_GETFL, 0);
+ setcommandmode();
+
+ if (res == -1) {
+ perror("fcntl");
+ return;
+ }
+ printf("\tFlags are 0x%x: %s\n", res, oflgs[res]);
+}
+#endif /* TN3270 */
+
+/*
+ * Print status about the connection.
+ */
+static int dostatus(int notmuch) {
+ if (connected) {
+ printf("Connected to %s.\n", hostname);
+ if (!notmuch) {
+ int mode = getconnmode();
+
+ if (my_want_state_is_will(TELOPT_LINEMODE)) {
+ printf("Operating with LINEMODE option\n");
+ printf("%s line editing\n", (mode&MODE_EDIT) ? "Local" : "No");
+ printf("%s catching of signals\n",
+ (mode&MODE_TRAPSIG) ? "Local" : "No");
+ slcstate();
+#ifdef KLUDGELINEMODE
+ }
+ else if (kludgelinemode && my_want_state_is_dont(TELOPT_SGA)) {
+ printf("Operating in obsolete linemode\n");
+#endif
+ }
+ else {
+ printf("Operating in single character mode\n");
+ if (localchars)
+ printf("Catching signals locally\n");
+ }
+ printf("%s character echo\n", (mode&MODE_ECHO) ? "Local" : "Remote");
+ if (my_want_state_is_will(TELOPT_LFLOW))
+ printf("%s flow control\n", (mode&MODE_FLOW) ? "Local" : "No");
+ }
+ }
+ else {
+ printf("No connection.\n");
+ }
+#if !defined(TN3270)
+ printf("Escape character is '%s'.\n", control(escapechar));
+ (void) fflush(stdout);
+#else /* !defined(TN3270) */
+ if ((!In3270) && !notmuch) {
+ printf("Escape character is '%s'.\n", control(escape));
+ }
+ if ((argc >= 2) && !strcmp(argv[1], "everything")) {
+ printf("SIGIO received %d time%s.\n",
+ sigiocount, (sigiocount == 1)? "":"s");
+ if (In3270) {
+ printf("Process ID %d, process group %d.\n",
+ getpid(), getpgrp(getpid()));
+ printf("Terminal input:\n");
+ filestuff(tin);
+ printf("Terminal output:\n");
+ filestuff(tout);
+ printf("Network socket:\n");
+ filestuff(net);
+ }
+ }
+ if (In3270 && transcom) {
+ printf("Transparent mode command is '%s'.\n", transcom);
+ }
+ fflush(stdout);
+ if (In3270) {
+ return 0;
+ }
+#endif /* TN3270 */
+ return 1;
+}
+
+static int status(void) {
+ int notmuch = 1;
+ return dostatus(notmuch);
+}
+
+#ifdef SIGINFO
+/*
+ * Function that gets called when SIGINFO is received.
+ */
+void ayt_status(int) {
+ dostatus(1);
+}
+#endif
+
+int tn(int argc, const char *argv[]) {
+ register struct hostent *host = 0;
+ struct sockaddr_in sn;
+ struct servent *sp = 0;
+ char *srp = NULL;
+ int srlen;
+
+ const char *cmd, *volatile user = 0;
+ const char *portp = NULL;
+ char *hostp = NULL;
+
+ /* clear the socket address prior to use */
+ memset(&sn, 0, sizeof(sn));
+
+ if (connected) {
+ printf("?Already connected to %s\n", hostname);
+ return 0;
+ }
+ if (argc < 2) {
+ (void) strcpy(line, "open ");
+ printf("(to) ");
+ (void) fgets(&line[strlen(line)], sizeof(line) - strlen(line), stdin);
+ makeargv();
+ argc = margc;
+ argv = margv;
+ }
+ cmd = *argv;
+ --argc; ++argv;
+ while (argc) {
+ /*
+ * Having "telnet h" print usage is really stupid...
+ * suppose your hostname is h?
+ */
+ if (/*isprefix(*argv, "help") ||*/ isprefix(*argv, "?"))
+ goto usage;
+ if (strcmp(*argv, "-l") == 0) {
+ --argc; ++argv;
+ if (argc == 0)
+ goto usage;
+ user = *argv++;
+ --argc;
+ continue;
+ }
+ if (strcmp(*argv, "-a") == 0) {
+ --argc; ++argv;
+ autologin = 1;
+ continue;
+ }
+ if (hostp == 0) {
+ /* this leaks memory - FIXME */
+ hostp = strdup(*argv++);
+ --argc;
+ continue;
+ }
+ if (portp == 0) {
+ portp = *argv++;
+ --argc;
+ continue;
+ }
+ usage:
+ printf("usage: %s [-l user] [-a] host-name [port]\n", cmd);
+ return 0;
+ }
+ if (hostp == 0)
+ goto usage;
+
+#if defined(IP_OPTIONS) && defined(HAS_IPPROTO_IP)
+ if (hostp[0] == '@' || hostp[0] == '!') {
+ if ((hostname = strrchr(hostp, ':')) == NULL)
+ hostname = strrchr(hostp, '@');
+ hostname++;
+ srp = 0;
+ int temp = sourceroute(hostp, &srp, &srlen);
+ if (temp == 0) {
+ herror(srp);
+ return 0;
+ } else if (temp == -1) {
+ printf("Bad source route option: %s\n", hostp);
+ return 0;
+ } else {
+ sn.sin_addr.s_addr = temp;
+ sn.sin_family = AF_INET;
+ }
+ }
+ else {
+#endif
+ if (inet_aton(hostp, &sn.sin_addr)) {
+ sn.sin_family = AF_INET;
+ strcpy(_hostname, hostp);
+ hostname = _hostname;
+ }
+ else {
+ host = gethostbyname(hostp);
+ if (host) {
+ sn.sin_family = host->h_addrtype;
+ if (host->h_length > (int)sizeof(sn.sin_addr)) {
+ host->h_length = sizeof(sn.sin_addr);
+ }
+#if defined(h_addr) /* In 4.3, this is a #define */
+ memcpy((caddr_t)&sn.sin_addr,
+ host->h_addr_list[0], host->h_length);
+#else /* defined(h_addr) */
+ memcpy((caddr_t)&sn.sin_addr, host->h_addr, host->h_length);
+#endif /* defined(h_addr) */
+ strncpy(_hostname, host->h_name, sizeof(_hostname));
+ _hostname[sizeof(_hostname)-1] = '\0';
+ hostname = _hostname;
+ } else {
+ herror(hostp);
+ return 0;
+ }
+ }
+#if defined(IP_OPTIONS) && defined(HAS_IPPROTO_IP)
+ }
+#endif
+ if (portp) {
+ if (*portp == '-') {
+ portp++;
+ telnetport = 1;
+ } else
+ telnetport = 0;
+ sn.sin_port = atoi(portp);
+ if (sn.sin_port == 0) {
+ sp = getservbyname(portp, "tcp");
+ if (sp)
+ sn.sin_port = sp->s_port;
+ else {
+ printf("%s: bad port number\n", portp);
+ return 0;
+ }
+ }
+ else {
+ sn.sin_port = htons(sn.sin_port);
+ }
+ }
+ else {
+ if (sp == 0) {
+ sp = getservbyname("telnet", "tcp");
+ if (sp == 0) {
+ fprintf(stderr, "telnet: tcp/telnet: unknown service\n");
+ return 0;
+ }
+ sn.sin_port = sp->s_port;
+ }
+ telnetport = 1;
+ }
+ printf("Trying %s...\n", inet_ntoa(sn.sin_addr));
+ do {
+ int x = nlink.connect(debug, host, &sn, srp, srlen, tos);
+ if (!x) return 0;
+ else if (x==1) continue;
+ connected++;
+ } while (connected == 0);
+ cmdrc(hostp, hostname);
+ if (autologin && user == NULL) {
+ struct passwd *pw;
+
+ user = getenv("USER");
+ if (user == NULL ||
+ ((pw = getpwnam(user))!=NULL && pw->pw_uid != getuid())) {
+ if ((pw = getpwuid(getuid()))!=NULL)
+ user = pw->pw_name;
+ else
+ user = NULL;
+ }
+ }
+ if (user) {
+ env_define("USER", user);
+ env_export("USER");
+ }
+ dostatus(1);
+ if (sigsetjmp(peerdied, 1) == 0)
+ telnet(user);
+ nlink.close(0);
+ ExitString("Connection closed by foreign host.\n",1);
+ /*NOTREACHED*/
+ return 0;
+}
+
+static char
+ openhelp[] = "connect to a site",
+ closehelp[] = "close current connection",
+ logouthelp[] = "forcibly logout remote user and close the connection",
+ quithelp[] = "exit telnet",
+ statushelp[] = "print status information",
+ sendhelp[] = "transmit special characters ('send ?' for more)",
+ sethelp[] = "set operating parameters ('set ?' for more)",
+ unsethelp[] = "unset operating parameters ('unset ?' for more)",
+ togglestring[] ="toggle operating parameters ('toggle ?' for more)",
+ displayhelp[] = "display operating parameters",
+#ifdef TN3270
+ transcomhelp[] = "specify Unix command for transparent mode pipe",
+#endif /* TN3270 */
+ zhelp[] = "suspend telnet",
+/* shellhelp[] = "invoke a subshell", */
+ envhelp[] = "change environment variables ('environ ?' for more)",
+ modestring[] = "try to enter line or character mode ('mode ?' for more)";
+
+static char crmodhelp[] = "deprecated command -- use 'toggle crmod' instead";
+static char escapehelp[] = "deprecated command -- use 'set escape' instead";
+
+static int help(command_table *, int, const char **);
+
+static int doquit(void) {
+ quit();
+ return 0;
+}
+
+static int slc_mode_import_0(void) {
+ slc_mode_import(0);
+ return 1;
+}
+
+static int slc_mode_import_1(void) {
+ slc_mode_import(1);
+ return 1;
+}
+
+static int do_slc_mode_export(void) {
+ slc_mode_export();
+ return 1;
+}
+
+static ptrarray<command_entry> cmdtab;
+static ptrarray<command_entry> cmdtab2;
+static ptrarray<command_entry> slctab;
+
+#define BIND(a,b,c) cmdtab.add(new command_entry(a,b,c))
+#define BIND2(a,b,c) cmdtab2.add(new command_entry(a,b,c))
+#define BINDS(a,b,c) slctab.add(new command_entry(a,b,c))
+
+
+void cmdtab_init(void) {
+ BIND("close", closehelp, bye);
+ BIND("logout", logouthelp, logout);
+ BIND("display", displayhelp, display);
+ BIND("mode", modestring, modecmd);
+ BIND("open", openhelp, tn);
+ BIND("quit", quithelp, doquit);
+ BIND("send", sendhelp, sendcmd);
+ BIND("set", sethelp, setcmd);
+ BIND("unset", unsethelp, unsetcmd);
+ BIND("status", statushelp, status);
+ BIND("toggle", togglestring, toggle);
+ BIND("slc", "set treatment of special characters\n", &slctab);
+
+#ifdef TN3270
+ BIND("transcom", transcomhelp, settranscom);
+#endif /* TN3270 */
+
+ // BIND("auth", authhelp, auth_cmd);
+ // BIND("encrypt", encrypthelp, encrypt_cmd);
+
+ BIND("z", zhelp, suspend);
+
+#if defined(TN3270) /* why?! */
+ BIND("!", shellhelp, shell);
+#endif
+
+ BIND("environ", envhelp, env_cmd);
+
+ BINDS("export", "Use local special character definitions",
+ do_slc_mode_export);
+ BINDS("import", "Use remote special character definitions",
+ slc_mode_import_1);
+ BINDS("check", "Verify remote special character definitions",
+ slc_mode_import_0);
+
+ BIND2("escape", escapehelp, setescape);
+ BIND2("crmod", crmodhelp, togcrmod);
+}
+
+
+static command_entry *getcmd(command_table *tab, const char *name) {
+ if (!strcasecmp(name, "?") ||
+ !strcasecmp(name, "h") ||
+ !strcasecmp(name, "help")) return (command_entry *)HELP;
+
+ command_entry *found = NULL;
+
+ for (int i=0; i<tab->num(); i++) {
+ command_entry *c = (*tab)[i];
+ if (!strcasecmp(c->getname(), name)) return c;
+ if (!strncasecmp(c->getname(), name, strlen(name))) {
+ if (found) return (command_entry *)AMBIGUOUS;
+ found = c;
+ }
+ }
+ if (tab==&cmdtab && !found) return getcmd(&cmdtab2, name);
+
+ return found;
+}
+
+static int process_command(command_table *tab, int argc, const char **argv) {
+ command_entry *c;
+ c = getcmd(tab, argv[0]);
+ if (c == HELP) {
+ help(tab, argc, argv);
+ }
+ else if (c == AMBIGUOUS) {
+ printf("?Ambiguous command\n");
+ }
+ else if (c == NULL) {
+ printf("?Invalid command\n");
+ }
+ else {
+ if (c->call(argc, argv)) return 1;
+ }
+ return 0;
+}
+
+void command(int top, const char *tbuf, int cnt) {
+
+ setcommandmode();
+ if (!top) {
+ putchar('\n');
+ }
+ else {
+ signal(SIGINT, SIG_DFL);
+ signal(SIGQUIT, SIG_DFL);
+ }
+ for (;;) {
+ if (rlogin == _POSIX_VDISABLE)
+ printf("%s> ", prompt);
+ if (tbuf) {
+ char *cp = line;
+ while (cnt > 0 && (*cp++ = *tbuf++) != '\n')
+ cnt--;
+ tbuf = 0;
+ if (cp == line || *--cp != '\n' || cp == line)
+ goto getline;
+ *cp = '\0';
+ if (rlogin == _POSIX_VDISABLE)
+ printf("%s\n", line);
+ }
+ else {
+ getline:
+ if (rlogin != _POSIX_VDISABLE)
+ printf("%s> ", prompt);
+ if (fgets(line, sizeof(line), stdin) == NULL) {
+ if (feof(stdin) || ferror(stdin)) {
+ quit();
+ /*NOTREACHED*/
+ }
+ break;
+ }
+ }
+ if (line[0] == 0)
+ break;
+ makeargv();
+ if (margv[0] == 0) {
+ break;
+ }
+ if (process_command(&cmdtab, margc, margv)) break;
+ }
+ if (!top) {
+ if (!connected) {
+ siglongjmp(toplevel, 1);
+ /*NOTREACHED*/
+ }
+#if defined(TN3270)
+ if (shell_active == 0) {
+ setconnmode(0);
+ }
+#else /* defined(TN3270) */
+ setconnmode(0);
+#endif /* defined(TN3270) */
+ }
+}
+
+/*
+ * Help command.
+ */
+static int help(command_table *tab, int argc, const char *argv[]) {
+ int i;
+
+ if (argc == 1) {
+ printf("Commands may be abbreviated. Commands are:\n\n");
+ for (i = 0; i<tab->num(); i++) (*tab)[i]->describe();
+ return 0;
+ }
+ for (i=1; i<argc; i++) {
+ command_entry *c = getcmd(tab, argv[i]);
+ if (c == HELP) {
+ printf("Print help information\n");
+ }
+ else if (c == AMBIGUOUS) {
+ printf("?Ambiguous help command %s\n", argv[i]);
+ }
+ else if (c == NULL) {
+ printf("?Invalid help command %s\n", argv[i]);
+ }
+ else {
+ c->gethelp();
+ }
+ }
+ return 0;
+}
+
+static char *rcname = 0;
+static char rcbuf[128];
+
+void cmdrc(const char *m1, const char *m2) {
+ FILE *rcfile;
+ int gotmachine = 0;
+ int l1 = strlen(m1);
+ int l2 = strlen(m2);
+ char m1save[64];
+
+ if (skiprc) return;
+
+ strcpy(m1save, m1);
+ m1 = m1save;
+
+ if (rcname == 0) {
+ rcname = getenv("HOME");
+ if (rcname)
+ strcpy(rcbuf, rcname);
+ else
+ rcbuf[0] = '\0';
+ strcat(rcbuf, "/.telnetrc");
+ rcname = rcbuf;
+ }
+
+ rcfile = fopen(rcname, "r");
+ if (!rcfile) return;
+
+ while (fgets(line, sizeof(line), rcfile)) {
+ if (line[0] == 0)
+ break;
+ if (line[0] == '#')
+ continue;
+ if (gotmachine) {
+ if (!isspace(line[0]))
+ gotmachine = 0;
+ }
+ if (gotmachine == 0) {
+ if (isspace(line[0]))
+ continue;
+ if (strncasecmp(line, m1, l1) == 0)
+ strncpy(line, &line[l1], sizeof(line) - l1);
+ else if (strncasecmp(line, m2, l2) == 0)
+ strncpy(line, &line[l2], sizeof(line) - l2);
+ else if (strncasecmp(line, "DEFAULT", 7) == 0)
+ strncpy(line, &line[7], sizeof(line) - 7);
+ else
+ continue;
+ if (line[0] != ' ' && line[0] != '\t' && line[0] != '\n')
+ continue;
+ gotmachine = 1;
+ }
+ makeargv();
+ if (margv[0] == 0)
+ continue;
+ process_command(&cmdtab, margc, margv);
+ }
+ fclose(rcfile);
+}
+
+#if defined(IP_OPTIONS) && defined(HAS_IPPROTO_IP)
+
+/*
+ * Source route is handed in as
+ * [!]@hop1@hop2...[@|:]dst
+ * If the leading ! is present, it is a
+ * strict source route, otherwise it is
+ * assmed to be a loose source route.
+ *
+ * We fill in the source route option as
+ * hop1,hop2,hop3...dest
+ * and return a pointer to hop1, which will
+ * be the address to connect() to.
+ *
+ * Arguments:
+ * arg: pointer to route list to decipher
+ *
+ * cpp: If *cpp is not equal to NULL, this is a
+ * pointer to a pointer to a character array
+ * that should be filled in with the option.
+ *
+ * lenp: pointer to an integer that contains the
+ * length of *cpp if *cpp != NULL.
+ *
+ * Return values:
+ *
+ * Returns the address of the host to connect to. If the
+ * return value is -1, there was a syntax error in the
+ * option, either unknown characters, or too many hosts.
+ * If the return value is 0, one of the hostnames in the
+ * path is unknown, and *cpp is set to point to the bad
+ * hostname.
+ *
+ * *cpp: If *cpp was equal to NULL, it will be filled
+ * in with a pointer to our static area that has
+ * the option filled in. This will be 32bit aligned.
+ *
+ * *lenp: This will be filled in with how long the option
+ * pointed to by *cpp is.
+ *
+ */
+static unsigned long sourceroute(char *arg, char **cpp, int *lenp) {
+ static char lsr[44];
+ char *cp, *cp2, *lsrp, *lsrep;
+ struct in_addr sin_addr;
+ register struct hostent *host = 0;
+ register char c;
+
+ /*
+ * Verify the arguments, and make sure we have
+ * at least 7 bytes for the option.
+ */
+ if (cpp == NULL || lenp == NULL)
+ return((unsigned long)-1);
+ if (*cpp != NULL && *lenp < 7)
+ return((unsigned long)-1);
+ /*
+ * Decide whether we have a buffer passed to us,
+ * or if we need to use our own static buffer.
+ */
+ if (*cpp) {
+ lsrp = *cpp;
+ lsrep = lsrp + *lenp;
+ }
+ else {
+ *cpp = lsrp = lsr;
+ lsrep = lsrp + 44;
+ }
+
+ cp = arg;
+
+ /*
+ * Next, decide whether we have a loose source
+ * route or a strict source route, and fill in
+ * the begining of the option.
+ */
+ if (*cp == '!') {
+ cp++;
+ *lsrp++ = IPOPT_SSRR;
+ }
+ else *lsrp++ = IPOPT_LSRR;
+
+ if (*cp != '@')
+ return((unsigned long)-1);
+
+ lsrp++; /* skip over length, we'll fill it in later */
+ *lsrp++ = 4;
+
+ cp++;
+
+ sin_addr.s_addr = 0;
+
+ for (c = 0;;) {
+ if (c == ':')
+ cp2 = 0;
+ else for (cp2 = cp; (c = *cp2) != 0; cp2++) {
+ if (c == ',') {
+ *cp2++ = '\0';
+ if (*cp2 == '@')
+ cp2++;
+ } else if (c == '@') {
+ *cp2++ = '\0';
+ } else if (c == ':') {
+ *cp2++ = '\0';
+ } else
+ continue;
+ break;
+ }
+ if (!c)
+ cp2 = 0;
+
+ if (inet_aton(cp, &sin_addr)) ; /* nothing */
+ else if ((host = gethostbyname(cp))!=NULL) {
+ if (host->h_length > (int)sizeof(sin_addr)) {
+ host->h_length = sizeof(sin_addr);
+ }
+#if defined(h_addr)
+ memcpy(&sin_addr, host->h_addr_list[0], host->h_length);
+#else
+ memcpy(&sin_addr, host->h_addr, host->h_length);
+#endif
+ } else {
+ *cpp = cp;
+ return(0);
+ }
+ memcpy(lsrp, (char *)&sin_addr, 4);
+ lsrp += 4;
+ if (cp2)
+ cp = cp2;
+ else
+ break;
+ /*
+ * Check to make sure there is space for next address
+ */
+ if (lsrp + 4 > lsrep)
+ return((unsigned long)-1);
+ }
+ if ((*(*cpp+IPOPT_OLEN) = lsrp - *cpp) <= 7) {
+ *cpp = 0;
+ *lenp = 0;
+ return((unsigned long)-1);
+ }
+ *lsrp++ = IPOPT_NOP; /* 32 bit word align it */
+ *lenp = lsrp - *cpp;
+ return(sin_addr.s_addr);
+}
+#endif
Index: netkit-telnet-0.17-new/telnet/main.cc
===================================================================
--- netkit-telnet-0.17-new/telnet/main.cc (nonexistent)
+++ netkit-telnet-0.17-new/telnet/main.cc (revision 5)
@@ -0,0 +1,258 @@
+/*
+ * Copyright (c) 1988, 1990 Regents of the University of California.
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+char copyright[] =
+ "@(#) Copyright (c) 1988, 1990 Regents of the University of California.\n"
+ "All rights reserved.\n";
+
+/*
+ * From: @(#)main.c 5.4 (Berkeley) 3/22/91
+ */
+char main_rcsid[] =
+ "$Id: main.cc,v 1.14 1999/08/01 05:06:37 dholland Exp $";
+
+#include "../version.h"
+
+#include <sys/types.h>
+#include <getopt.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "ring.h"
+#include "externs.h"
+#include "defines.h"
+#include "proto.h"
+
+/*
+ * Initialize variables.
+ */
+void
+tninit(void)
+{
+ init_terminal();
+
+ init_network();
+
+ init_telnet();
+
+ init_sys();
+
+#if defined(TN3270)
+ init_3270();
+#endif
+}
+
+/*
+ * note: -x should mean use encryption
+ * -k <realm> to set kerberos realm
+ * -K don't auto-login
+ * -X <atype> disable specified auth type
+ */
+void usage(void) {
+ fprintf(stderr, "Usage: %s %s%s%s%s\n",
+ prompt,
+ " [-8] [-E] [-L] [-a] [-d] [-e char] [-l user] [-n tracefile]",
+ "\n\t",
+#ifdef TN3270
+ "[-noasynch] [-noasynctty] [-noasyncnet] [-r] [-t transcom]\n\t",
+#else
+ "[-r] ",
+#endif
+ "[host-name [port]]"
+ );
+ exit(1);
+}
+
+/*
+ * main. Parse arguments, invoke the protocol or command parser.
+ */
+
+int
+main(int argc, char *argv[])
+{
+ extern char *optarg;
+ extern int optind;
+ int ch;
+ char *user;
+
+ tninit(); /* Clear out things */
+#if defined(CRAY) && !defined(__STDC__)
+ _setlist_init(); /* Work around compiler bug */
+#endif
+
+ TerminalSaveState();
+
+ if ((prompt = strrchr(argv[0], '/'))!=NULL)
+ ++prompt;
+ else
+ prompt = argv[0];
+
+ user = NULL;
+
+ rlogin = (strncmp(prompt, "rlog", 4) == 0) ? '~' : _POSIX_VDISABLE;
+ autologin = -1;
+
+ while ((ch = getopt(argc, argv, "8EKLS:X:ade:k:l:n:rt:x")) != EOF) {
+ switch(ch) {
+ case '8':
+ eight = 3; /* binary output and input */
+ break;
+ case 'E':
+ rlogin = escapechar = _POSIX_VDISABLE;
+ break;
+ case 'K':
+ //autologin = 0;
+ break;
+ case 'L':
+ eight |= 2; /* binary output only */
+ break;
+ case 'S':
+ {
+#ifdef HAS_GETTOS
+ extern int tos;
+
+ if ((tos = parsetos(optarg, "tcp")) < 0)
+ fprintf(stderr, "%s%s%s%s\n",
+ prompt, ": Bad TOS argument '",
+ optarg,
+ "; will try to use default TOS");
+#else
+ fprintf(stderr,
+ "%s: Warning: -S ignored, no parsetos() support.\n",
+ prompt);
+#endif
+ }
+ break;
+ case 'X':
+ // disable authentication type "optarg"
+ break;
+ case 'a':
+ autologin = 1;
+ break;
+ case 'c':
+ skiprc = 1;
+ break;
+ case 'd':
+ debug = 1;
+ break;
+ case 'e':
+ set_escape_char(optarg);
+ break;
+ case 'k':
+ fprintf(stderr,
+ "%s: -k ignored, no Kerberos V4 support.\n",
+ prompt);
+ break;
+ case 'l':
+ autologin = 1;
+ user = optarg;
+ break;
+ case 'n':
+#ifdef TN3270
+ /* distinguish between "-n oasynch" and "-noasynch" */
+ if (argv[optind - 1][0] == '-' && argv[optind - 1][1]
+ == 'n' && argv[optind - 1][2] == 'o') {
+ if (!strcmp(optarg, "oasynch")) {
+ noasynchtty = 1;
+ noasynchnet = 1;
+ } else if (!strcmp(optarg, "oasynchtty"))
+ noasynchtty = 1;
+ else if (!strcmp(optarg, "oasynchnet"))
+ noasynchnet = 1;
+ } else
+#endif /* TN3270 */
+ SetNetTrace(optarg);
+ break;
+ case 'r':
+ rlogin = '~';
+ break;
+ case 't':
+#ifdef TN3270
+ transcom = tline;
+ (void)strcpy(transcom, optarg);
+#else
+ fprintf(stderr,
+ "%s: Warning: -t ignored, no TN3270 support.\n",
+ prompt);
+#endif
+ break;
+ case 'x':
+ fprintf(stderr,
+ "%s: -x ignored, no encryption support.\n",
+ prompt);
+ break;
+ case '?':
+ default:
+ usage();
+ /* NOTREACHED */
+ }
+ }
+ if (autologin == -1)
+ autologin = (rlogin == _POSIX_VDISABLE) ? 0 : 1;
+
+ argc -= optind;
+ argv += optind;
+
+ if (argc) {
+ const char *args[7];
+ const char **volatile argp = args;
+
+ if (argc > 2)
+ usage();
+ *argp++ = prompt;
+ if (user) {
+ *argp++ = "-l";
+ *argp++ = user;
+ }
+ *argp++ = argv[0]; /* host */
+ if (argc > 1)
+ *argp++ = argv[1]; /* port */
+ *argp = 0;
+
+ if (sigsetjmp(toplevel, 1) != 0)
+ Exit(0);
+ if (tn(argp - args, args) == 1)
+ return (0);
+ else
+ return (1);
+ }
+ (void)sigsetjmp(toplevel, 1);
+ for (;;) {
+#ifdef TN3270
+ if (shell_active)
+ shell_continue();
+ else
+#endif
+ command(1, 0, 0);
+ }
+}
Index: netkit-telnet-0.17-new/telnet/netlink.cc
===================================================================
--- netkit-telnet-0.17-new/telnet/netlink.cc (nonexistent)
+++ netkit-telnet-0.17-new/telnet/netlink.cc (revision 5)
@@ -0,0 +1,195 @@
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <netdb.h>
+#include "netlink.h"
+#include "proto.h"
+#include "ring.h"
+
+/* In Linux, this is an enum */
+#if defined(__linux__) || defined(IPPROTO_IP)
+#define HAS_IPPROTO_IP
+#endif
+
+netlink nlink;
+
+class netchannel : public ringbuf::source {
+ public:
+ virtual int read(char *buf, int maxlen) {
+ int net = nlink.getfd();
+ int l = recv(net, buf, maxlen, 0);
+ if (l<0 && errno == EWOULDBLOCK) l = 0;
+ return l;
+ }
+};
+
+class netchannel2 : public datasink {
+ public:
+ virtual int write(const char *buf, int len) {
+ int r = nlink.send(buf, len, 0);
+ if (r==-1 && (errno==ENOBUFS || errno==EWOULDBLOCK)) return 0;
+ return r;
+ }
+ virtual int writeurg(const char *buf, int len) {
+ /*
+ * In 4.2 (and 4.3) systems, there is some question about
+ * what byte in a sendOOB operation is the "OOB" data.
+ * To make ourselves compatible, we only send ONE byte
+ * out of band, the one WE THINK should be OOB (though
+ * we really have more the TCP philosophy of urgent data
+ * rather than the Unix philosophy of OOB data).
+ */
+ if (len==0) return 0;
+ int r = nlink.send(buf, 1, MSG_OOB);
+ if (r==-1 && (errno==ENOBUFS || errno==EWOULDBLOCK)) r = 0;
+ if (r<=0) return r;
+ int rr = nlink.send(buf+1, len-r, 0);
+ if (rr==-1 && (errno==ENOBUFS || errno==EWOULDBLOCK)) rr = 0;
+ if (rr<=0) return r; /* less than ideal */
+ return r+rr;
+ }
+};
+
+static netchannel chan;
+static netchannel2 chan2;
+datasink *netsink = &chan2;
+ringbuf::source *netsrc = &chan;
+
+
+netlink::netlink() { net = -1; }
+netlink::~netlink() { ::close(net); }
+
+
+int netlink::setdebug(int debug) {
+ if (net > 0 &&
+ (setsockopt(net, SOL_SOCKET, SO_DEBUG, &debug, sizeof(debug))) < 0) {
+ perror("setsockopt (SO_DEBUG)");
+ }
+ return 1;
+}
+
+void netlink::close(int doshutdown) {
+ if (doshutdown) {
+ shutdown(net, 2);
+ }
+ ::close(net);
+}
+
+int netlink::connect(int debug, struct hostent *host,
+ struct sockaddr_in *sn,
+ char *srcroute, int srlen, int tos)
+{
+ int on=1;
+
+ net = socket(AF_INET, SOCK_STREAM, 0);
+ if (net < 0) {
+ perror("telnet: socket");
+ return 0;
+ }
+
+#if defined(IP_OPTIONS) && defined(HAS_IPPROTO_IP)
+ if (srcroute) {
+ if (setsockopt(net, IPPROTO_IP, IP_OPTIONS, srcroute, srlen) < 0)
+ perror("setsockopt (IP_OPTIONS)");
+ }
+#endif
+
+#if defined(HAS_IPPROTO_IP) && defined(IP_TOS)
+#if defined(HAS_GETTOS)
+ struct tosent *tp;
+ if (tos < 0 && (tp = gettosbyname("telnet", "tcp")))
+ tos = tp->t_tos;
+#endif
+ if (tos < 0) tos = 020; /* Low Delay bit */
+ if (tos && (setsockopt(net, IPPROTO_IP, IP_TOS, &tos, sizeof(int)) < 0)
+ && (errno != ENOPROTOOPT))
+ perror("telnet: setsockopt (IP_TOS) (ignored)");
+#endif /* defined(IPPROTO_IP) && defined(IP_TOS) */
+
+ if (debug && setsockopt(net, SOL_SOCKET, SO_DEBUG, &on, sizeof(on)) < 0) {
+ perror("setsockopt (SO_DEBUG)");
+ }
+
+ if (::connect(net, (struct sockaddr *)sn, sizeof(*sn)) < 0) {
+#if defined(h_addr) /* In 4.3, this is a #define */
+ if (host && host->h_addr_list[1]) {
+ int oerrno = errno;
+
+ fprintf(stderr, "telnet: connect to address %s: ",
+ inet_ntoa(sn->sin_addr));
+ errno = oerrno;
+ perror(NULL);
+ host->h_addr_list++;
+ if (host->h_length > (int)sizeof(sn->sin_addr)) {
+ host->h_length = sizeof(sn->sin_addr);
+ }
+ memcpy(&sn->sin_addr, host->h_addr_list[0], host->h_length);
+ close(net);
+ return 1;
+ }
+#endif /* defined(h_addr) */
+
+ perror("telnet: Unable to connect to remote host");
+ return 0;
+ }
+ return 2;
+}
+
+
+void netlink::oobinline() {
+ int on=1;
+
+ /* Systems without SO_OOBINLINE probably won't work */
+ if (setsockopt(net, SOL_SOCKET, SO_OOBINLINE, &on, sizeof(on)) == -1) {
+ perror("setsockopt");
+ }
+}
+
+
+/*
+ * Check to see if any out-of-band data exists on a socket (for
+ * Telnet "synch" processing).
+ */
+
+int netlink::stilloob(void) {
+ static struct timeval timeout = { 0, 0 };
+ fd_set excepts;
+ int value;
+
+ do {
+ FD_ZERO(&excepts);
+ FD_SET(net, &excepts);
+ value = select(net+1, NULL, NULL, &excepts, &timeout);
+ } while ((value == -1) && (errno == EINTR));
+
+ if (value < 0) {
+ perror("select");
+ quit();
+ /* NOTREACHED */
+ }
+ if (FD_ISSET(net, &excepts)) {
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+int netlink::send(const char *s, int n, int f) {
+ return ::send(net, s, n, f);
+}
+
+void netlink::nonblock(int onoff) {
+ ioctl(net, FIONBIO, &onoff);
+}
+
+int netlink::getfd() {
+ return net;
+}
Index: netkit-telnet-0.17-new/telnet/network.cc
===================================================================
--- netkit-telnet-0.17-new/telnet/network.cc (nonexistent)
+++ netkit-telnet-0.17-new/telnet/network.cc (revision 5)
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 1988 Regents of the University of California.
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+/*
+ * From: @(#)network.c 5.2 (Berkeley) 3/1/91
+ */
+char net_rcsid[] =
+ "$Id: network.cc,v 1.15 1996/08/13 08:09:58 dholland Exp $";
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <errno.h>
+#include <arpa/telnet.h>
+#include <stdlib.h>
+
+#include "ring.h"
+#include "defines.h"
+#include "externs.h"
+#include "proto.h"
+#include "netlink.h"
+
+ringbuf netoring;
+ringbuf netiring;
+
+/*
+ * Initialize internal network data structures.
+ */
+
+void init_network(void) {
+ if (netoring.init(2*BUFSIZ, netsink, NULL) != 1) {
+ exit(1);
+ }
+ if (netiring.init(BUFSIZ, NULL, netsrc) != 1) {
+ exit(1);
+ }
+ NetTrace = stdout;
+}
+
+
+/*
+ * netflush
+ * Send as much data as possible to the network,
+ * handling requests for urgent data.
+ *
+ * The return value indicates whether we did any
+ * useful work.
+ */
+
+
+int netflush(void) {
+ int r = netoring.flush();
+ if (r < -1) {
+ setcommandmode();
+ perror(hostname);
+ nlink.close(0);
+ netoring.clear_mark();
+ siglongjmp(peerdied, -1);
+ /*NOTREACHED*/
+ }
+ return r>0;
+}
Index: netkit-telnet-0.17-new/telnet/terminal.cc
===================================================================
--- netkit-telnet-0.17-new/telnet/terminal.cc (nonexistent)
+++ netkit-telnet-0.17-new/telnet/terminal.cc (revision 5)
@@ -0,0 +1,720 @@
+/*
+ * Copyright (c) 1988, 1990 Regents of the University of California.
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+/*
+ * From: @(#)terminal.c 5.3 (Berkeley) 3/22/91
+ */
+char terminal_rcsid[] =
+ "$Id: terminal.cc,v 1.25 1999/12/12 19:48:05 dholland Exp $";
+
+#include <arpa/telnet.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <termios.h>
+#include <unistd.h>
+#include <signal.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "ring.h"
+#include "defines.h"
+#include "externs.h"
+#include "types.h"
+#include "proto.h"
+#include "terminal.h"
+
+static int TerminalWrite(const char *buf, int n);
+static int TerminalRead(char *buf, int n);
+
+ringbuf ttyoring, ttyiring;
+
+#ifndef VDISCARD
+cc_t termFlushChar;
+#endif
+
+#ifndef VLNEXT
+cc_t termLiteralNextChar;
+#endif
+
+#ifndef VSUSP
+cc_t termSuspChar;
+#endif
+
+#ifndef VWERASE
+cc_t termWerasChar;
+#endif
+
+#ifndef VREPRINT
+cc_t termRprntChar;
+#endif
+
+#ifndef VSTART
+cc_t termStartChar;
+#endif
+
+#ifndef VSTOP
+cc_t termStopChar;
+#endif
+
+#ifndef VEOL
+cc_t termForw1Char;
+#endif
+
+#ifndef VEOL2
+cc_t termForw2Char;
+#endif
+
+#ifndef VSTATUS
+cc_t termAytChar;
+#endif
+
+/*
+ * initialize the terminal data structures.
+ */
+void init_terminal(void) {
+ if (ttyoring.init(2*BUFSIZ, ttysink, NULL) != 1) {
+ exit(1);
+ }
+ if (ttyiring.init(BUFSIZ, NULL, ttysrc) != 1) {
+ exit(1);
+ }
+ autoflush = TerminalAutoFlush();
+}
+
+
+/*
+ * Send as much data as possible to the terminal.
+ * if arg "drop" is nonzero, drop data on the floor instead.
+ *
+ * Return value:
+ * -1: No useful work done, data waiting to go out.
+ * 0: No data was waiting, so nothing was done.
+ * 1: All waiting data was written out.
+ * n: All data - n was written out.
+ */
+int ttyflush(int drop) {
+ datasink *s = NULL;
+ if (drop) {
+ TerminalFlushOutput();
+ s = ttyoring.setsink(nullsink);
+ }
+ int rv = ttyoring.flush();
+ if (s) ttyoring.setsink(s);
+ return rv;
+}
+
+
+
+/*
+ * These routines decides on what the mode should be (based on the values
+ * of various global variables).
+ */
+int getconnmode(void) {
+ extern int linemode;
+ int mode = 0;
+#ifdef KLUDGELINEMODE
+ extern int kludgelinemode;
+#endif
+
+ if (In3270)
+ return(MODE_FLOW);
+
+ if (my_want_state_is_dont(TELOPT_ECHO))
+ mode |= MODE_ECHO;
+
+ if (localflow)
+ mode |= MODE_FLOW;
+
+ if (my_want_state_is_will(TELOPT_BINARY))
+ mode |= MODE_INBIN;
+
+ if (his_want_state_is_will(TELOPT_BINARY))
+ mode |= MODE_OUTBIN;
+
+#ifdef KLUDGELINEMODE
+ if (kludgelinemode) {
+ if (my_want_state_is_dont(TELOPT_SGA)) {
+ mode |= (MODE_TRAPSIG|MODE_EDIT);
+ if (dontlecho && (clocks.echotoggle > clocks.modenegotiated)) {
+ mode &= ~MODE_ECHO;
+ }
+ }
+ return(mode);
+ }
+#endif
+ if (my_want_state_is_will(TELOPT_LINEMODE))
+ mode |= linemode;
+ return(mode);
+}
+
+void setconnmode(int force) {
+ int newmode;
+
+ newmode = getconnmode()|(force?MODE_FORCE:0);
+
+ TerminalNewMode(newmode);
+
+}
+
+
+void setcommandmode(void) {
+ TerminalNewMode(-1);
+}
+
+
+/*********************/
+
+static int tout; /* Output file descriptor */
+static int tin; /* Input file descriptor */
+
+
+class ttysynk : public datasink {
+ public:
+ virtual int write(const char *buf, int len) {
+ return TerminalWrite(buf, len);
+ }
+ virtual int writeurg(const char *buf, int len) {
+ return TerminalWrite(buf, len);
+ }
+};
+
+class ttysorc : public ringbuf::source {
+ virtual int read(char *buf, int maxlen) {
+ int l = TerminalRead(buf, maxlen);
+ if (l<0 && errno==EWOULDBLOCK) l = 0;
+ else if (l==0 && MODE_LOCAL_CHARS(globalmode) && isatty(tin)) {
+ /* EOF detection for line mode!!!! */
+ /* must be an EOF... */
+ *buf = termEofChar;
+ l = 1;
+ }
+ return l;
+ }
+};
+
+static ttysynk chan1;
+static ttysorc chan2;
+datasink *ttysink = &chan1;
+ringbuf::source *ttysrc = &chan2;
+
+
+struct termios old_tc;
+struct termios new_tc;
+
+#ifndef TCSANOW
+
+#if defined(TCSETS)
+#define TCSANOW TCSETS
+#define TCSADRAIN TCSETSW
+#define tcgetattr(f, t) ioctl(f, TCGETS, (char *)t)
+
+#elif defined(TCSETA)
+#define TCSANOW TCSETA
+#define TCSADRAIN TCSETAW
+#define tcgetattr(f, t) ioctl(f, TCGETA, (char *)t)
+
+#else
+#define TCSANOW TIOCSETA
+#define TCSADRAIN TIOCSETAW
+#define tcgetattr(f, t) ioctl(f, TIOCGETA, (char *)t)
+
+#endif
+
+#define tcsetattr(f, a, t) ioctl(f, a, (char *)t)
+#define cfgetospeed(ptr) ((ptr)->c_cflag&CBAUD)
+#ifdef CIBAUD
+#define cfgetispeed(ptr) (((ptr)->c_cflag&CIBAUD) >> IBSHIFT)
+#else
+#define cfgetispeed(ptr) cfgetospeed(ptr)
+#endif
+
+#endif /* no TCSANOW */
+
+
+static void susp(int sig);
+
+void tlink_init(void) {
+#ifdef SIGTSTP
+ signal(SIGTSTP, susp);
+#endif
+ tout = fileno(stdout);
+ tin = fileno(stdin);
+}
+
+int tlink_getifd(void) {
+ return tin;
+}
+
+int tlink_getofd(void) {
+ return tout;
+}
+
+static int TerminalWrite(const char *buf, int n) {
+ int r;
+ do {
+ r = write(tout, buf, n);
+ } while (r<0 && errno==EINTR);
+ if (r<0 && (errno==ENOBUFS || errno==EWOULDBLOCK)) r = 0;
+ return r;
+}
+
+static int TerminalRead(char *buf, int n) {
+ int r;
+ do {
+ r = read(tin, buf, n);
+ } while (r<0 && errno==EINTR);
+ return r;
+}
+
+#ifdef SIGTSTP
+static void susp(int /*sig*/) {
+ if ((rlogin != _POSIX_VDISABLE) && rlogin_susp())
+ return;
+ if (localchars)
+ sendsusp();
+}
+#endif
+
+/*
+ * TerminalNewMode - set up terminal to a specific mode.
+ * MODE_ECHO: do local terminal echo
+ * MODE_FLOW: do local flow control
+ * MODE_TRAPSIG: do local mapping to TELNET IAC sequences
+ * MODE_EDIT: do local line editing
+ *
+ * Command mode:
+ * MODE_ECHO|MODE_EDIT|MODE_FLOW|MODE_TRAPSIG
+ * local echo
+ * local editing
+ * local xon/xoff
+ * local signal mapping
+ *
+ * Linemode:
+ * local/no editing
+ * Both Linemode and Single Character mode:
+ * local/remote echo
+ * local/no xon/xoff
+ * local/no signal mapping
+ */
+
+void TerminalNewMode(int f)
+{
+ static int prevmode = 0;
+ struct termios tmp_tc;
+
+ int onoff;
+ int old;
+ cc_t esc;
+
+ globalmode = f&~MODE_FORCE;
+ if (prevmode == f)
+ return;
+
+ /*
+ * Write any outstanding data before switching modes
+ * ttyflush() returns 0 only when there is no more data
+ * left to write out, it returns -1 if it couldn't do
+ * anything at all, otherwise it returns 1 + the number
+ * of characters left to write.
+ */
+ old = ttyflush(SYNCHing|flushout);
+ if (old < 0 || old > 1) {
+ tcgetattr(tin, &tmp_tc);
+ do {
+ /*
+ * Wait for data to drain, then flush again.
+ */
+ tcsetattr(tin, TCSADRAIN, &tmp_tc);
+ old = ttyflush(SYNCHing|flushout);
+ } while (old < 0 || old > 1);
+ }
+
+ old = prevmode;
+ prevmode = f&~MODE_FORCE;
+ tmp_tc = new_tc;
+
+ if (f&MODE_ECHO) {
+ tmp_tc.c_lflag |= ECHO;
+ tmp_tc.c_oflag |= ONLCR;
+ if (crlf)
+ tmp_tc.c_iflag |= ICRNL;
+ }
+ else {
+ tmp_tc.c_lflag &= ~ECHO;
+ tmp_tc.c_oflag &= ~ONLCR;
+ if (crlf) tmp_tc.c_iflag &= ~ICRNL;
+ }
+
+ if ((f&MODE_FLOW) == 0) {
+ tmp_tc.c_iflag &= ~(IXANY|IXOFF|IXON);
+ }
+ else {
+ tmp_tc.c_iflag |= IXANY|IXOFF|IXON;
+ }
+
+ if ((f&MODE_TRAPSIG) == 0) {
+ tmp_tc.c_lflag &= ~ISIG;
+ localchars = 0;
+ }
+ else {
+ tmp_tc.c_lflag |= ISIG;
+ localchars = 1;
+ }
+
+ if (f&MODE_EDIT) {
+ tmp_tc.c_lflag |= ICANON;
+ }
+ else {
+ tmp_tc.c_lflag &= ~ICANON;
+ tmp_tc.c_iflag &= ~ICRNL;
+ tmp_tc.c_cc[VMIN] = 1;
+ tmp_tc.c_cc[VTIME] = 0;
+ }
+
+ if ((f&(MODE_EDIT|MODE_TRAPSIG)) == 0) {
+#ifdef VLNEXT
+ tmp_tc.c_cc[VLNEXT] = (cc_t)(_POSIX_VDISABLE);
+#endif
+ }
+
+ if (f&MODE_SOFT_TAB) {
+#ifdef OXTABS
+ tmp_tc.c_oflag |= OXTABS;
+#endif
+#ifdef TABDLY
+ tmp_tc.c_oflag &= ~TABDLY;
+ tmp_tc.c_oflag |= TAB3;
+#endif
+ }
+ else {
+#ifdef OXTABS
+ tmp_tc.c_oflag &= ~OXTABS;
+#endif
+#ifdef TABDLY
+ tmp_tc.c_oflag &= ~TABDLY;
+#endif
+ }
+
+ if (f&MODE_LIT_ECHO) {
+#ifdef ECHOCTL
+ tmp_tc.c_lflag &= ~ECHOCTL;
+#endif
+ }
+ else {
+#ifdef ECHOCTL
+ tmp_tc.c_lflag |= ECHOCTL;
+#endif
+ }
+
+ if (f == -1) {
+ onoff = 0;
+ }
+ else {
+ if (f & MODE_INBIN) {
+ tmp_tc.c_iflag &= ~ISTRIP;
+ }
+ else {
+ // Commented this out 5/97 so it works with 8-bit characters
+ // ...and put it back 12/99 because it violates the RFC and
+ // breaks SunOS.
+ tmp_tc.c_iflag |= ISTRIP;
+ }
+ if (f & MODE_OUTBIN) {
+ tmp_tc.c_cflag &= ~(CSIZE|PARENB);
+ tmp_tc.c_cflag |= CS8;
+ tmp_tc.c_oflag &= ~OPOST;
+ } else {
+ tmp_tc.c_cflag &= ~(CSIZE|PARENB);
+ tmp_tc.c_cflag |= old_tc.c_cflag & (CSIZE|PARENB);
+ tmp_tc.c_oflag |= OPOST;
+ }
+ onoff = 1;
+ }
+
+ if (f != -1) {
+#ifdef SIGTSTP
+ signal(SIGTSTP, susp);
+#endif /* SIGTSTP */
+
+#ifdef SIGINFO
+ signal(SIGINFO, ayt);
+#endif /* SIGINFO */
+
+#if defined(NOKERNINFO)
+ tmp_tc.c_lflag |= NOKERNINFO;
+#endif
+ /*
+ * We don't want to process ^Y here. It's just another
+ * character that we'll pass on to the back end. It has
+ * to process it because it will be processed when the
+ * user attempts to read it, not when we send it.
+ */
+#ifdef VDSUSP
+ tmp_tc.c_cc[VDSUSP] = (cc_t)(_POSIX_VDISABLE);
+#endif
+ /*
+ * If the VEOL character is already set, then use VEOL2,
+ * otherwise use VEOL.
+ */
+ esc = (rlogin != _POSIX_VDISABLE) ? rlogin : escapechar;
+ if ((tmp_tc.c_cc[VEOL] != esc)
+#ifdef VEOL2
+ && (tmp_tc.c_cc[VEOL2] != esc)
+#endif
+ ) {
+ if (tmp_tc.c_cc[VEOL] == (cc_t)(_POSIX_VDISABLE))
+ tmp_tc.c_cc[VEOL] = esc;
+#ifdef VEOL2
+ else if (tmp_tc.c_cc[VEOL2] == (cc_t)(_POSIX_VDISABLE))
+ tmp_tc.c_cc[VEOL2] = esc;
+#endif
+ }
+ }
+ else {
+
+#ifdef SIGINFO
+ signal(SIGINFO, ayt_status);
+#endif SIGINFO
+
+#ifdef SIGTSTP
+ signal(SIGTSTP, SIG_DFL);
+/* (void) sigsetmask(sigblock(0) & ~(1<<(SIGTSTP-1))); */
+#endif /* SIGTSTP */
+
+ tmp_tc = old_tc;
+ }
+ if (tcsetattr(tin, TCSADRAIN, &tmp_tc) < 0)
+ tcsetattr(tin, TCSANOW, &tmp_tc);
+
+ ioctl(tin, FIONBIO, (char *)&onoff);
+ ioctl(tout, FIONBIO, (char *)&onoff);
+
+#if defined(TN3270)
+ if (noasynchtty == 0) {
+ ioctl(tin, FIOASYNC, (char *)&onoff);
+ }
+#endif /* defined(TN3270) */
+
+}
+
+#ifndef B19200
+#define B19200 B9600
+#endif
+
+#ifndef B38400
+#define B38400 B19200
+#endif
+
+#ifndef B57600
+#define B57600 B38400
+#endif
+
+#ifndef B115200
+#define B115200 B57600
+#endif
+
+/*
+ * This code assumes that the values B0, B50, B75...
+ * are in ascending order. They do not have to be
+ * contiguous.
+ */
+struct termspeeds {
+ long speed;
+ long 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 }, { 9600, B9600 }, { 19200, B19200 },
+ { 38400, B38400 }, { 57600, B57600 }, { 115200, B115200 },
+ { -1, B115200 }
+};
+
+void TerminalSpeeds(long *ispeed, long *ospeed) {
+ register struct termspeeds *tp;
+ register long in, out;
+
+ out = cfgetospeed(&old_tc);
+ in = cfgetispeed(&old_tc);
+ if (in == 0)
+ in = out;
+
+ tp = termspeeds;
+ while ((tp->speed != -1) && (tp->value < in))
+ tp++;
+ *ispeed = tp->speed;
+
+ tp = termspeeds;
+ while ((tp->speed != -1) && (tp->value < out))
+ tp++;
+ *ospeed = tp->speed;
+}
+
+int TerminalWindowSize(long *rows, long *cols) {
+#ifdef TIOCGWINSZ
+ struct winsize ws;
+
+ if (ioctl(fileno(stdin), TIOCGWINSZ, (char *)&ws) >= 0) {
+ *rows = ws.ws_row;
+ *cols = ws.ws_col;
+ return 1;
+ }
+#endif /* TIOCGWINSZ */
+ return 0;
+}
+
+
+/*
+ * EmptyTerminal - called to make sure that the terminal buffer is
+ * empty. Note that we consider the buffer to run all the way to the
+ * kernel (thus the select).
+ */
+void EmptyTerminal(void) {
+ fd_set o;
+ FD_ZERO(&o);
+
+ if (TTYBYTES() == 0) {
+ FD_SET(tout, &o);
+ select(tout+1, NULL, &o, NULL, NULL); /* wait for TTLOWAT */
+ }
+ else {
+ while (TTYBYTES()) {
+ ttyflush(0);
+ FD_SET(tout, &o);
+ select(tout+1, NULL, &o, NULL, NULL); /* wait for TTLOWAT */
+ }
+ }
+}
+
+int
+TerminalAutoFlush(void)
+{
+#if defined(LNOFLSH)
+ int flush;
+
+ ioctl(tin, TIOCLGET, (char *)&flush);
+ return !(flush&LNOFLSH); /* if LNOFLSH, no autoflush */
+#else /* LNOFLSH */
+ return 1;
+#endif /* LNOFLSH */
+}
+
+/*
+ * Flush output to the terminal
+ */
+ void
+TerminalFlushOutput()
+{
+#ifdef TIOCFLUSH
+ (void) ioctl(fileno(stdout), TIOCFLUSH, (char *) 0);
+#else
+ (void) ioctl(fileno(stdout), TCFLSH, (char *) 0);
+#endif
+}
+
+ void
+TerminalSaveState()
+{
+#ifndef USE_TERMIO
+ ioctl(0, TIOCGETP, (char *)&ottyb);
+ ioctl(0, TIOCGETC, (char *)&otc);
+ ioctl(0, TIOCGLTC, (char *)&oltc);
+ ioctl(0, TIOCLGET, (char *)&olmode);
+
+ ntc = otc;
+ nltc = oltc;
+ nttyb = ottyb;
+
+#else /* USE_TERMIO */
+ tcgetattr(0, &old_tc);
+
+ new_tc = old_tc;
+
+#ifndef VDISCARD
+ termFlushChar = CONTROL('O');
+#endif
+#ifndef VWERASE
+ termWerasChar = CONTROL('W');
+#endif
+#ifndef VREPRINT
+ termRprntChar = CONTROL('R');
+#endif
+#ifndef VLNEXT
+ termLiteralNextChar = CONTROL('V');
+#endif
+#ifndef VSTART
+ termStartChar = CONTROL('Q');
+#endif
+#ifndef VSTOP
+ termStopChar = CONTROL('S');
+#endif
+#ifndef VSTATUS
+ termAytChar = CONTROL('T');
+#endif
+#endif /* USE_TERMIO */
+}
+
+void TerminalDefaultChars(void) {
+#ifndef USE_TERMIO
+ ntc = otc;
+ nltc = oltc;
+ nttyb.sg_kill = ottyb.sg_kill;
+ nttyb.sg_erase = ottyb.sg_erase;
+#else /* USE_TERMIO */
+ memcpy(new_tc.c_cc, old_tc.c_cc, sizeof(old_tc.c_cc));
+#ifndef VDISCARD
+ termFlushChar = CONTROL('O');
+#endif
+#ifndef VWERASE
+ termWerasChar = CONTROL('W');
+#endif
+#ifndef VREPRINT
+ termRprntChar = CONTROL('R');
+#endif
+#ifndef VLNEXT
+ termLiteralNextChar = CONTROL('V');
+#endif
+#ifndef VSTART
+ termStartChar = CONTROL('Q');
+#endif
+#ifndef VSTOP
+ termStopChar = CONTROL('S');
+#endif
+#ifndef VSTATUS
+ termAytChar = CONTROL('T');
+#endif
+#endif /* USE_TERMIO */
+}
Index: netkit-telnet-0.17-new/telnet/utilities.cc
===================================================================
--- netkit-telnet-0.17-new/telnet/utilities.cc (nonexistent)
+++ netkit-telnet-0.17-new/telnet/utilities.cc (revision 5)
@@ -0,0 +1,675 @@
+/*
+ * Copyright (c) 1988 Regents of the University of California.
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+/*
+ * From: @(#)utilities.c 5.3 (Berkeley) 3/22/91
+ */
+char util_rcsid[] =
+ "$Id: utilities.cc,v 1.19 1999/12/12 15:33:40 dholland Exp $";
+
+#define TELOPTS
+#define TELCMDS
+#define SLC_NAMES
+
+#include <arpa/telnet.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "ring.h"
+#include "defines.h"
+#include "externs.h"
+#include "proto.h"
+#include "terminal.h"
+
+FILE *NetTrace = 0; /* Not in bss, since needs to stay */ /* ? */
+char NetTraceFile[256] = "(standard output)";
+
+/*
+ * upcase()
+ *
+ * Upcase (in place) the argument.
+ */
+void upcase(char *str) {
+ for (int i=0; str[i]; i++) {
+ if (islower(str[i])) str[i] = toupper(str[i]);
+ }
+}
+
+/*
+ * The following are routines used to print out debugging information.
+ */
+
+void SetNetTrace(const char *file) {
+ if (NetTrace && NetTrace != stdout)
+ fclose(NetTrace);
+ if (file && strcmp(file, "-")) {
+ NetTrace = fopen(file, "w");
+ if (NetTrace) {
+ strcpy((char *)NetTraceFile, file);
+ return;
+ }
+ fprintf(stderr, "Cannot open %s.\n", file);
+ }
+ NetTrace = stdout;
+ strcpy((char *)NetTraceFile, "(standard output)");
+}
+
+#define BYTES_PER_LINE 32
+#define min(x,y) ((x<y)? x:y)
+
+void Dump(int direction, char *buffer, int length) {
+ char *pThis;
+ int offset;
+
+ offset = 0;
+
+ while (length) {
+ /* print one line */
+ fprintf(NetTrace, "%c 0x%x\t", direction, offset);
+ pThis = buffer;
+ if (0 /*prettydump*/) {
+ buffer = buffer + min(length, BYTES_PER_LINE/2);
+ while (pThis < buffer) {
+ fprintf(NetTrace, "%c%.2x",
+ (((*pThis)&0xff) == 0xff) ? '*' : ' ',
+ (*pThis)&0xff);
+ pThis++;
+ }
+ length -= BYTES_PER_LINE/2;
+ offset += BYTES_PER_LINE/2;
+ }
+ else {
+ buffer = buffer + min(length, BYTES_PER_LINE);
+ while (pThis < buffer) {
+ fprintf(NetTrace, "%.2x", (*pThis)&0xff);
+ pThis++;
+ }
+ length -= BYTES_PER_LINE;
+ offset += BYTES_PER_LINE;
+ }
+ if (NetTrace == stdout) {
+ fprintf(NetTrace, "\r\n");
+ }
+ else {
+ fprintf(NetTrace, "\n");
+ }
+ if (length < 0) {
+ fflush(NetTrace);
+ return;
+ }
+ /* find next unique line */
+ }
+ fflush(NetTrace);
+}
+
+
+void printoption(const char *direction, int cmd, int option) {
+ if (!showoptions)
+ return;
+ if (cmd == IAC) {
+ if (TELCMD_OK(option))
+ fprintf(NetTrace, "%s IAC %s", direction, TELCMD(option));
+ else
+ fprintf(NetTrace, "%s IAC %d", direction, option);
+ }
+ else {
+ const char *fmt;
+ fmt = (cmd == WILL) ? "WILL" : (cmd == WONT) ? "WONT" :
+ (cmd == DO) ? "DO" : (cmd == DONT) ? "DONT" : 0;
+ if (fmt) {
+ fprintf(NetTrace, "%s %s ", direction, fmt);
+ if (TELOPT_OK(option))
+ fprintf(NetTrace, "%s", TELOPT(option));
+ else if (option == TELOPT_EXOPL)
+ fprintf(NetTrace, "EXOPL");
+ else
+ fprintf(NetTrace, "%d", option);
+ }
+ else
+ fprintf(NetTrace, "%s %d %d", direction, cmd, option);
+ }
+ if (NetTrace == stdout)
+ fprintf(NetTrace, "\r\n");
+ else
+ fprintf(NetTrace, "\n");
+ return;
+}
+
+void optionstatus(void) {
+ int i;
+ extern char will_wont_resp[], do_dont_resp[];
+
+ for (i = 0; i < 256; i++) {
+ if (do_dont_resp[i]) {
+ if (TELOPT_OK(i))
+ printf("resp DO_DONT %s: %d\n", TELOPT(i), do_dont_resp[i]);
+ else if (TELCMD_OK(i))
+ printf("resp DO_DONT %s: %d\n", TELCMD(i), do_dont_resp[i]);
+ else
+ printf("resp DO_DONT %d: %d\n", i, do_dont_resp[i]);
+ if (my_want_state_is_do(i)) {
+ if (TELOPT_OK(i))
+ printf("want DO %s\n", TELOPT(i));
+ else if (TELCMD_OK(i))
+ printf("want DO %s\n", TELCMD(i));
+ else
+ printf("want DO %d\n", i);
+ }
+ else {
+ if (TELOPT_OK(i))
+ printf("want DONT %s\n", TELOPT(i));
+ else if (TELCMD_OK(i))
+ printf("want DONT %s\n", TELCMD(i));
+ else
+ printf("want DONT %d\n", i);
+ }
+ }
+ else {
+ if (my_state_is_do(i)) {
+ if (TELOPT_OK(i))
+ printf(" DO %s\n", TELOPT(i));
+ else if (TELCMD_OK(i))
+ printf(" DO %s\n", TELCMD(i));
+ else
+ printf(" DO %d\n", i);
+ }
+ }
+ if (will_wont_resp[i]) {
+ if (TELOPT_OK(i))
+ printf("resp WILL_WONT %s: %d\n", TELOPT(i), will_wont_resp[i]);
+ else if (TELCMD_OK(i))
+ printf("resp WILL_WONT %s: %d\n", TELCMD(i), will_wont_resp[i]);
+ else
+ printf("resp WILL_WONT %d: %d\n",
+ i, will_wont_resp[i]);
+ if (my_want_state_is_will(i)) {
+ if (TELOPT_OK(i))
+ printf("want WILL %s\n", TELOPT(i));
+ else if (TELCMD_OK(i))
+ printf("want WILL %s\n", TELCMD(i));
+ else
+ printf("want WILL %d\n", i);
+ }
+ else {
+ if (TELOPT_OK(i))
+ printf("want WONT %s\n", TELOPT(i));
+ else if (TELCMD_OK(i))
+ printf("want WONT %s\n", TELCMD(i));
+ else
+ printf("want WONT %d\n", i);
+ }
+ }
+ else {
+ if (my_state_is_will(i)) {
+ if (TELOPT_OK(i))
+ printf(" WILL %s\n", TELOPT(i));
+ else if (TELCMD_OK(i))
+ printf(" WILL %s\n", TELCMD(i));
+ else
+ printf(" WILL %d\n", i);
+ }
+ }
+ }
+
+}
+
+/* direction: '<' or '>' */
+/* pointer: where suboption data sits */
+/* length: length of suboption data */
+void printsub(int direction, unsigned char *pointer, int length) {
+ register int i = 0;
+
+ extern int want_status_response;
+
+ if (showoptions || direction == 0 ||
+ (want_status_response && (pointer[0] == TELOPT_STATUS))) {
+ if (direction) {
+ fprintf(NetTrace, "%s IAC SB ",
+ (direction == '<')? "RCVD":"SENT");
+ if (length >= 3) {
+ register int j;
+
+ i = pointer[length-2];
+ j = pointer[length-1];
+
+ if (i != IAC || j != SE) {
+ fprintf(NetTrace, "(terminated by ");
+ if (TELOPT_OK(i))
+ fprintf(NetTrace, "%s ", TELOPT(i));
+ else if (TELCMD_OK(i))
+ fprintf(NetTrace, "%s ", TELCMD(i));
+ else
+ fprintf(NetTrace, "%d ", i);
+ if (TELOPT_OK(j))
+ fprintf(NetTrace, "%s", TELOPT(j));
+ else if (TELCMD_OK(j))
+ fprintf(NetTrace, "%s", TELCMD(j));
+ else
+ fprintf(NetTrace, "%d", j);
+ fprintf(NetTrace, ", not IAC SE!) ");
+ }
+ }
+ length -= 2;
+ }
+ if (length < 1) {
+ fprintf(NetTrace, "(Empty suboption???)");
+ return;
+ }
+ switch ((unsigned char)(pointer[0])) {
+ case TELOPT_TTYPE:
+ fprintf(NetTrace, "TERMINAL-TYPE ");
+ switch (pointer[1]) {
+ case TELQUAL_IS:
+ fprintf(NetTrace, "IS \"%.*s\"", length-2, (char *)pointer+2);
+ break;
+ case TELQUAL_SEND:
+ fprintf(NetTrace, "SEND");
+ break;
+ default:
+ fprintf(NetTrace,
+ "- unknown qualifier %d (0x%x).",
+ pointer[1], pointer[1]);
+ }
+ break;
+ case TELOPT_TSPEED:
+ fprintf(NetTrace, "TERMINAL-SPEED");
+ if (length < 2) {
+ fprintf(NetTrace, " (empty suboption???)");
+ break;
+ }
+ switch (pointer[1]) {
+ case TELQUAL_IS:
+ fprintf(NetTrace, " IS ");
+ fprintf(NetTrace, "%.*s", length-2, (char *)pointer+2);
+ break;
+ default:
+ if (pointer[1] == 1)
+ fprintf(NetTrace, " SEND");
+ else
+ fprintf(NetTrace, " %d (unknown)", pointer[1]);
+ for (i = 2; i < length; i++)
+ fprintf(NetTrace, " ?%d?", pointer[i]);
+ break;
+ }
+ break;
+
+ case TELOPT_LFLOW:
+ fprintf(NetTrace, "TOGGLE-FLOW-CONTROL");
+ if (length < 2) {
+ fprintf(NetTrace, " (empty suboption???)");
+ break;
+ }
+ switch (pointer[1]) {
+ case 0:
+ fprintf(NetTrace, " OFF"); break;
+ case 1:
+ fprintf(NetTrace, " ON"); break;
+ default:
+ fprintf(NetTrace, " %d (unknown)", pointer[1]);
+ }
+ for (i = 2; i < length; i++)
+ fprintf(NetTrace, " ?%d?", pointer[i]);
+ break;
+
+ case TELOPT_NAWS:
+ fprintf(NetTrace, "NAWS");
+ if (length < 2) {
+ fprintf(NetTrace, " (empty suboption???)");
+ break;
+ }
+ if (length == 2) {
+ fprintf(NetTrace, " ?%d?", pointer[1]);
+ break;
+ }
+ fprintf(NetTrace, " %d %d (%d)",
+ pointer[1], pointer[2],
+ (int)((((unsigned int)pointer[1])<<8)|((unsigned int)pointer[2])));
+ if (length == 4) {
+ fprintf(NetTrace, " ?%d?", pointer[3]);
+ break;
+ }
+ fprintf(NetTrace, " %d %d (%d)",
+ pointer[3], pointer[4],
+ (int)((((unsigned int)pointer[3])<<8)|((unsigned int)pointer[4])));
+ for (i = 5; i < length; i++)
+ fprintf(NetTrace, " ?%d?", pointer[i]);
+ break;
+
+ case TELOPT_LINEMODE:
+ fprintf(NetTrace, "LINEMODE ");
+ if (length < 2) {
+ fprintf(NetTrace, " (empty suboption???)");
+ break;
+ }
+ switch ((unsigned char)(pointer[1])) {
+ case WILL:
+ fprintf(NetTrace, "WILL ");
+ goto common;
+ case WONT:
+ fprintf(NetTrace, "WONT ");
+ goto common;
+ case DO:
+ fprintf(NetTrace, "DO ");
+ goto common;
+ case DONT:
+ fprintf(NetTrace, "DONT ");
+ common:
+ if (length < 3) {
+ fprintf(NetTrace, "(no option???)");
+ break;
+ }
+ switch ((unsigned char)(pointer[2])) {
+ case LM_FORWARDMASK:
+ fprintf(NetTrace, "Forward Mask");
+ for (i = 3; i < length; i++)
+ fprintf(NetTrace, " %x", pointer[i]);
+ break;
+ default:
+ fprintf(NetTrace, "%d (unknown)", pointer[2]);
+ for (i = 3; i < length; i++)
+ fprintf(NetTrace, " %d", pointer[i]);
+ break;
+ }
+ break;
+
+ case LM_SLC:
+ fprintf(NetTrace, "SLC");
+ for (i = 2; i < length - 2; i += 3) {
+ if (SLC_NAME_OK(pointer[i+SLC_FUNC]))
+ fprintf(NetTrace, " %s", SLC_NAME(pointer[i+SLC_FUNC]));
+ else
+ fprintf(NetTrace, " %d", pointer[i+SLC_FUNC]);
+ switch (pointer[i+SLC_FLAGS]&SLC_LEVELBITS) {
+ case SLC_NOSUPPORT:
+ fprintf(NetTrace, " NOSUPPORT"); break;
+ case SLC_CANTCHANGE:
+ fprintf(NetTrace, " CANTCHANGE"); break;
+ case SLC_VARIABLE:
+ fprintf(NetTrace, " VARIABLE"); break;
+ case SLC_DEFAULT:
+ fprintf(NetTrace, " DEFAULT"); break;
+ }
+ fprintf(NetTrace, "%s%s%s",
+ pointer[i+SLC_FLAGS]&SLC_ACK ? "|ACK" : "",
+ pointer[i+SLC_FLAGS]&SLC_FLUSHIN ? "|FLUSHIN" : "",
+ pointer[i+SLC_FLAGS]&SLC_FLUSHOUT ? "|FLUSHOUT" : "");
+ if (pointer[i+SLC_FLAGS]& ~(SLC_ACK|SLC_FLUSHIN|
+ SLC_FLUSHOUT| SLC_LEVELBITS))
+ fprintf(NetTrace, "(0x%x)", pointer[i+SLC_FLAGS]);
+ fprintf(NetTrace, " %d;", pointer[i+SLC_VALUE]);
+ if ((pointer[i+SLC_VALUE] == IAC) &&
+ (pointer[i+SLC_VALUE+1] == IAC))
+ i++;
+ }
+ for (; i < length; i++)
+ fprintf(NetTrace, " ?%d?", pointer[i]);
+ break;
+
+ case LM_MODE:
+ fprintf(NetTrace, "MODE ");
+ if (length < 3) {
+ fprintf(NetTrace, "(no mode???)");
+ break;
+ }
+ {
+ char tbuf[64];
+ snprintf(tbuf, sizeof(tbuf), "%s%s%s%s%s",
+ pointer[2]&MODE_EDIT ? "|EDIT" : "",
+ pointer[2]&MODE_TRAPSIG ? "|TRAPSIG" : "",
+ pointer[2]&MODE_SOFT_TAB ? "|SOFT_TAB" : "",
+ pointer[2]&MODE_LIT_ECHO ? "|LIT_ECHO" : "",
+ pointer[2]&MODE_ACK ? "|ACK" : "");
+ fprintf(NetTrace, "%s", tbuf[1] ? &tbuf[1] : "0");
+ }
+ if (pointer[2]&~(MODE_MASK))
+ fprintf(NetTrace, " (0x%x)", pointer[2]);
+ for (i = 3; i < length; i++)
+ fprintf(NetTrace, " ?0x%x?", pointer[i]);
+ break;
+ default:
+ fprintf(NetTrace, "%d (unknown)", pointer[1]);
+ for (i = 2; i < length; i++)
+ fprintf(NetTrace, " %d", pointer[i]);
+ }
+ break;
+
+ case TELOPT_STATUS: {
+ const char *cp;
+ int j, k;
+
+ fprintf(NetTrace, "STATUS");
+
+ switch (pointer[1]) {
+ default:
+ if (pointer[1] == TELQUAL_SEND)
+ fprintf(NetTrace, " SEND");
+ else
+ fprintf(NetTrace, " %d (unknown)", pointer[1]);
+ for (i = 2; i < length; i++)
+ fprintf(NetTrace, " ?%d?", pointer[i]);
+ break;
+ case TELQUAL_IS:
+ if (--want_status_response < 0)
+ want_status_response = 0;
+ if (NetTrace == stdout)
+ fprintf(NetTrace, " IS\r\n");
+ else
+ fprintf(NetTrace, " IS\n");
+
+ for (i = 2; i < length; i++) {
+ switch((unsigned char)(pointer[i])) {
+ case DO: cp = "DO"; goto common2;
+ case DONT: cp = "DONT"; goto common2;
+ case WILL: cp = "WILL"; goto common2;
+ case WONT: cp = "WONT"; goto common2;
+ common2:
+ i++;
+ if (TELOPT_OK((int)pointer[i]))
+ fprintf(NetTrace, " %s %s", cp, TELOPT(pointer[i]));
+ else
+ fprintf(NetTrace, " %s %d", cp, pointer[i]);
+
+ if (NetTrace == stdout)
+ fprintf(NetTrace, "\r\n");
+ else
+ fprintf(NetTrace, "\n");
+ break;
+
+ case SB:
+ fprintf(NetTrace, " SB ");
+ i++;
+ j = k = i;
+ while (j < length) {
+ if (pointer[j] == SE) {
+ if (j+1 == length)
+ break;
+ if (pointer[j+1] == SE)
+ j++;
+ else
+ break;
+ }
+ pointer[k++] = pointer[j++];
+ }
+ printsub(0, &pointer[i], k - i);
+ if (i < length) {
+ fprintf(NetTrace, " SE");
+ i = j;
+ } else
+ i = j - 1;
+
+ if (NetTrace == stdout)
+ fprintf(NetTrace, "\r\n");
+ else
+ fprintf(NetTrace, "\n");
+
+ break;
+
+ default:
+ fprintf(NetTrace, " %d", pointer[i]);
+ break;
+ }
+ }
+ break;
+ }
+ break;
+ }
+
+ case TELOPT_XDISPLOC:
+ fprintf(NetTrace, "X-DISPLAY-LOCATION ");
+ switch (pointer[1]) {
+ case TELQUAL_IS:
+ fprintf(NetTrace, "IS \"%.*s\"", length-2, (char *)pointer+2);
+ break;
+ case TELQUAL_SEND:
+ fprintf(NetTrace, "SEND");
+ break;
+ default:
+ fprintf(NetTrace, "- unknown qualifier %d (0x%x).",
+ pointer[1], pointer[1]);
+ }
+ break;
+
+ case TELOPT_ENVIRON:
+ fprintf(NetTrace, "ENVIRON ");
+ switch (pointer[1]) {
+ case TELQUAL_IS:
+ fprintf(NetTrace, "IS ");
+ goto env_common;
+ case TELQUAL_SEND:
+ fprintf(NetTrace, "SEND ");
+ goto env_common;
+ case TELQUAL_INFO:
+ fprintf(NetTrace, "INFO ");
+ env_common:
+ {
+ register int noquote = 2;
+ for (i = 2; i < length; i++ ) {
+ switch (pointer[i]) {
+ case ENV_VAR:
+ if (pointer[1] == TELQUAL_SEND)
+ goto def_case;
+ fprintf(NetTrace, "\" VAR " + noquote);
+ noquote = 2;
+ break;
+
+ case ENV_VALUE:
+ fprintf(NetTrace, "\" VALUE " + noquote);
+ noquote = 2;
+ break;
+
+ case ENV_ESC:
+ fprintf(NetTrace, "\" ESC " + noquote);
+ noquote = 2;
+ break;
+
+ default:
+ def_case:
+ if (isprint(pointer[i]) && pointer[i] != '"') {
+ if (noquote) {
+ putc('"', NetTrace);
+ noquote = 0;
+ }
+ putc(pointer[i], NetTrace);
+ } else {
+ fprintf(NetTrace, "\" %03o " + noquote,
+ pointer[i]);
+ noquote = 2;
+ }
+ break;
+ }
+ }
+ if (!noquote)
+ putc('"', NetTrace);
+ break;
+ }
+ }
+ break;
+
+ default:
+ if (TELOPT_OK(pointer[0]))
+ fprintf(NetTrace, "%s (unknown)", TELOPT(pointer[0]));
+ else
+ fprintf(NetTrace, "%d (unknown)", pointer[i]);
+ for (i = 1; i < length; i++)
+ fprintf(NetTrace, " %d", pointer[i]);
+ break;
+ }
+ if (direction) {
+ if (NetTrace == stdout)
+ fprintf(NetTrace, "\r\n");
+ else
+ fprintf(NetTrace, "\n");
+ }
+ }
+}
+
+void SetForExit(void) {
+ setconnmode(0);
+#if defined(TN3270)
+ if (In3270) {
+ Finish3270();
+ }
+#else /* defined(TN3270) */
+ do {
+ telrcv(); /* Process any incoming data */
+ EmptyTerminal();
+ } while (netiring.full_count()); /* While there is any */
+#endif /* defined(TN3270) */
+ setcommandmode();
+ fflush(stdout);
+ fflush(stderr);
+#if defined(TN3270)
+ if (In3270) {
+ StopScreen(1);
+ }
+#endif /* defined(TN3270) */
+ setconnmode(0);
+ EmptyTerminal(); /* Flush the path to the tty */
+ setcommandmode();
+}
+
+void Exit(int returnCode) {
+ SetForExit();
+ exit(returnCode);
+}
+
+void ExitString(const char *string, int returnCode) {
+ SetForExit();
+ fwrite(string, 1, strlen(string), stderr);
+ exit(returnCode);
+}
Index: netkit-telnet-0.17-new/telnet
===================================================================
--- netkit-telnet-0.17-new/telnet (nonexistent)
+++ netkit-telnet-0.17-new/telnet (revision 5)
Property changes on: netkit-telnet-0.17-new/telnet
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Index: netkit-telnet-0.17-new/telnetd/telnetd.c
===================================================================
--- netkit-telnet-0.17-new/telnetd/telnetd.c (nonexistent)
+++ netkit-telnet-0.17-new/telnetd/telnetd.c (revision 5)
@@ -0,0 +1,1164 @@
+/*
+ * Copyright (c) 1989 Regents of the University of California.
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+char copyright[] =
+ "@(#) Copyright (c) 1989 Regents of the University of California.\n"
+ "All rights reserved.\n";
+
+/*
+ * From: @(#)telnetd.c 5.48 (Berkeley) 3/1/91
+ */
+char telnetd_rcsid[] =
+ "$Id: telnetd.c,v 1.24 2000/04/12 21:36:12 dholland Exp $";
+
+#include "../version.h"
+
+#include <netdb.h>
+#include <termcap.h>
+#include <netinet/in.h>
+/* #include <netinet/ip.h> */ /* Don't think this is used at all here */
+#include <arpa/inet.h>
+#include <assert.h>
+#include "telnetd.h"
+#include "pathnames.h"
+#include "setproctitle.h"
+
+#if defined(AUTHENTICATE)
+#include <libtelnet/auth.h>
+#include <libtelnet/auth-proto.h>
+#include <libtelnet/misc-proto.h>
+int auth_level = 0;
+#endif
+#if defined(SecurID)
+int require_SecurID = 0;
+#endif
+
+/* In Linux, this is an enum */
+#if defined(__linux__) || defined(IPPROTO_IP)
+#define HAS_IPPROTO_IP
+#endif
+
+static void doit(struct sockaddr_in *who);
+static int terminaltypeok(const char *s);
+
+/*
+ * I/O data buffers,
+ * pointers, and counters.
+ */
+char ptyibuf[BUFSIZ], *ptyip = ptyibuf;
+char ptyibuf2[BUFSIZ];
+
+int hostinfo = 1; /* do we print login banner? */
+
+int debug = 0;
+int keepalive = 1;
+char *loginprg = _PATH_LOGIN;
+char *progname;
+
+extern void usage(void);
+
+int
+main(int argc, char *argv[], char *env[])
+{
+ struct sockaddr_in from;
+ int on = 1;
+ socklen_t fromlen;
+ register int ch;
+
+#if defined(HAS_IPPROTO_IP) && defined(IP_TOS)
+ int tos = -1;
+#endif
+
+ initsetproctitle(argc, argv, env);
+
+ pfrontp = pbackp = ptyobuf;
+ netip = netibuf;
+ nfrontp = nbackp = netobuf;
+#if defined(ENCRYPT)
+ nclearto = 0;
+#endif
+
+ progname = *argv;
+
+ while ((ch = getopt(argc, argv, "d:a:e:lhnr:I:D:B:sS:a:X:L:")) != EOF) {
+ switch(ch) {
+
+#ifdef AUTHENTICATE
+ case 'a':
+ /*
+ * Check for required authentication level
+ */
+ if (strcmp(optarg, "debug") == 0) {
+ extern int auth_debug_mode;
+ auth_debug_mode = 1;
+ } else if (strcasecmp(optarg, "none") == 0) {
+ auth_level = 0;
+ } else if (strcasecmp(optarg, "other") == 0) {
+ auth_level = AUTH_OTHER;
+ } else if (strcasecmp(optarg, "user") == 0) {
+ auth_level = AUTH_USER;
+ } else if (strcasecmp(optarg, "valid") == 0) {
+ auth_level = AUTH_VALID;
+ } else if (strcasecmp(optarg, "off") == 0) {
+ /*
+ * This hack turns off authentication
+ */
+ auth_level = -1;
+ } else {
+ fprintf(stderr,
+ "telnetd: unknown authorization level for -a\n");
+ }
+ break;
+#endif /* AUTHENTICATE */
+
+#ifdef BFTPDAEMON
+ case 'B':
+ bftpd++;
+ break;
+#endif /* BFTPDAEMON */
+
+ case 'd':
+ if (strcmp(optarg, "ebug") == 0) {
+ debug++;
+ break;
+ }
+ usage();
+ /* NOTREACHED */
+ break;
+
+#ifdef DIAGNOSTICS
+ case 'D':
+ /*
+ * Check for desired diagnostics capabilities.
+ */
+ if (!strcmp(optarg, "report")) {
+ diagnostic |= TD_REPORT|TD_OPTIONS;
+ } else if (!strcmp(optarg, "exercise")) {
+ diagnostic |= TD_EXERCISE;
+ } else if (!strcmp(optarg, "netdata")) {
+ diagnostic |= TD_NETDATA;
+ } else if (!strcmp(optarg, "ptydata")) {
+ diagnostic |= TD_PTYDATA;
+ } else if (!strcmp(optarg, "options")) {
+ diagnostic |= TD_OPTIONS;
+ } else {
+ usage();
+ /* NOT REACHED */
+ }
+ break;
+#endif /* DIAGNOSTICS */
+
+#ifdef AUTHENTICATE
+ case 'e':
+ if (strcmp(optarg, "debug") == 0) {
+ extern int auth_debug_mode;
+ auth_debug_mode = 1;
+ break;
+ }
+ usage();
+ /* NOTREACHED */
+ break;
+#endif /* AUTHENTICATE */
+
+ case 'h':
+ hostinfo = 0;
+ break;
+
+#ifdef LINEMODE
+ case 'l':
+ alwayslinemode = 1;
+ break;
+#endif /* LINEMODE */
+
+ case 'L':
+ loginprg = strdup(optarg);
+ /* XXX what if strdup fails? */
+ break;
+
+ case 'n':
+ keepalive = 0;
+ break;
+
+#ifdef SecurID
+ case 's':
+ /* SecurID required */
+ require_SecurID = 1;
+ break;
+#endif /* SecurID */
+ case 'S':
+#ifdef HAS_GETTOS
+ if ((tos = parsetos(optarg, "tcp")) < 0)
+ fprintf(stderr, "%s%s%s\n",
+ "telnetd: Bad TOS argument '", optarg,
+ "'; will try to use default TOS");
+#else
+ fprintf(stderr, "%s%s\n", "TOS option unavailable; ",
+ "-S flag not supported\n");
+#endif
+ break;
+
+#ifdef AUTHENTICATE
+ case 'X':
+ /*
+ * Check for invalid authentication types
+ */
+ auth_disable_name(optarg);
+ break;
+#endif /* AUTHENTICATE */
+
+ default:
+ fprintf(stderr, "telnetd: %c: unknown option\n", ch);
+ /* FALLTHROUGH */
+ case '?':
+ usage();
+ /* NOTREACHED */
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (debug) {
+ int s, ns;
+ socklen_t foo;
+ struct servent *sp;
+ struct sockaddr_in sn;
+
+ memset(&sn, 0, sizeof(sn));
+ sn.sin_family = AF_INET;
+
+ if (argc > 1) {
+ usage();
+ /* NOTREACHED */
+ } else if (argc == 1) {
+ if ((sp = getservbyname(*argv, "tcp"))!=NULL) {
+ sn.sin_port = sp->s_port;
+ }
+ else {
+ int pt = atoi(*argv);
+ if (pt <= 0) {
+ fprintf(stderr, "telnetd: %s: bad port number\n",
+ *argv);
+ usage();
+ /* NOTREACHED */
+ }
+ sn.sin_port = htons(pt);
+ }
+ } else {
+ sp = getservbyname("telnet", "tcp");
+ if (sp == 0) {
+ fprintf(stderr, "telnetd: tcp/telnet: unknown service\n");
+ exit(1);
+ }
+ sn.sin_port = sp->s_port;
+ }
+
+ s = socket(AF_INET, SOCK_STREAM, 0);
+ if (s < 0) {
+ perror("telnetd: socket");;
+ exit(1);
+ }
+ (void) setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
+ if (bind(s, (struct sockaddr *)&sn, sizeof(sn)) < 0) {
+ perror("bind");
+ exit(1);
+ }
+ if (listen(s, 1) < 0) {
+ perror("listen");
+ exit(1);
+ }
+ foo = sizeof(sn);
+ ns = accept(s, (struct sockaddr *)&sn, &foo);
+ if (ns < 0) {
+ perror("accept");
+ exit(1);
+ }
+ (void) dup2(ns, 0);
+ (void) close(ns);
+ (void) close(s);
+ } else if (argc > 0) {
+ usage();
+ /* NOT REACHED */
+ }
+
+ openlog("telnetd", LOG_PID | LOG_ODELAY, LOG_DAEMON);
+ fromlen = sizeof (from);
+ if (getpeername(0, (struct sockaddr *)&from, &fromlen) < 0) {
+ fprintf(stderr, "%s: ", progname);
+ perror("getpeername");
+ _exit(1);
+ }
+ if (keepalive &&
+ setsockopt(0, SOL_SOCKET, SO_KEEPALIVE, &on, sizeof (on)) < 0) {
+ syslog(LOG_WARNING, "setsockopt (SO_KEEPALIVE): %m");
+ }
+
+#if defined(HAS_IPPROTO_IP) && defined(IP_TOS)
+ {
+# if defined(HAS_GETTOS)
+ struct tosent *tp;
+ if (tos < 0 && (tp = gettosbyname("telnet", "tcp")))
+ tos = tp->t_tos;
+# endif
+ if (tos < 0)
+ tos = 020; /* Low Delay bit */
+ if (tos
+ && (setsockopt(0, IPPROTO_IP, IP_TOS, &tos, sizeof(tos)) < 0)
+ && (errno != ENOPROTOOPT) )
+ syslog(LOG_WARNING, "setsockopt (IP_TOS): %m");
+ }
+#endif /* defined(HAS_IPPROTO_IP) && defined(IP_TOS) */
+ net = 0;
+ doit(&from);
+ /* NOTREACHED */
+ return 0;
+} /* end of main */
+
+void
+usage(void)
+{
+ fprintf(stderr, "Usage: telnetd");
+#ifdef AUTHENTICATE
+ fprintf(stderr, " [-a (debug|other|user|valid|off)]\n\t");
+#endif
+#ifdef BFTPDAEMON
+ fprintf(stderr, " [-B]");
+#endif
+ fprintf(stderr, " [-debug]");
+#ifdef DIAGNOSTICS
+ fprintf(stderr, " [-D (options|report|exercise|netdata|ptydata)]\n\t");
+#endif
+#ifdef AUTHENTICATE
+ fprintf(stderr, " [-edebug]");
+#endif
+ fprintf(stderr, " [-h]");
+#ifdef LINEMODE
+ fprintf(stderr, " [-l]");
+#endif
+ fprintf(stderr, " [-L login_program]");
+ fprintf(stderr, " [-n]");
+#ifdef SecurID
+ fprintf(stderr, " [-s]");
+#endif
+#ifdef AUTHENTICATE
+ fprintf(stderr, " [-X auth-type]");
+#endif
+ fprintf(stderr, " [port]\n");
+ exit(1);
+}
+
+/*
+ * getterminaltype
+ *
+ * Ask the other end to send along its terminal type and speed.
+ * Output is the variable terminaltype filled in.
+ */
+
+static void _gettermname(void);
+
+static
+int
+getterminaltype(char *name)
+{
+ int retval = -1;
+ (void)name;
+
+ settimer(baseline);
+#if defined(AUTHENTICATE)
+ /*
+ * Handle the Authentication option before we do anything else.
+ */
+ send_do(TELOPT_AUTHENTICATION, 1);
+ while (his_will_wont_is_changing(TELOPT_AUTHENTICATION))
+ ttloop();
+ if (his_state_is_will(TELOPT_AUTHENTICATION)) {
+ retval = auth_wait(name);
+ }
+#endif
+
+#if defined(ENCRYPT)
+ send_will(TELOPT_ENCRYPT, 1);
+#endif
+ send_do(TELOPT_TTYPE, 1);
+ send_do(TELOPT_TSPEED, 1);
+ send_do(TELOPT_XDISPLOC, 1);
+ send_do(TELOPT_ENVIRON, 1);
+ while (
+#if defined(ENCRYPT)
+ his_do_dont_is_changing(TELOPT_ENCRYPT) ||
+#endif
+ his_will_wont_is_changing(TELOPT_TTYPE) ||
+ his_will_wont_is_changing(TELOPT_TSPEED) ||
+ his_will_wont_is_changing(TELOPT_XDISPLOC) ||
+ his_will_wont_is_changing(TELOPT_ENVIRON)) {
+ ttloop();
+ }
+#if defined(ENCRYPT)
+ /*
+ * Wait for the negotiation of what type of encryption we can
+ * send with. If autoencrypt is not set, this will just return.
+ */
+ if (his_state_is_will(TELOPT_ENCRYPT)) {
+ encrypt_wait();
+ }
+#endif
+ if (his_state_is_will(TELOPT_TSPEED)) {
+ netoprintf("%c%c%c%c%c%c",
+ IAC, SB, TELOPT_TSPEED, TELQUAL_SEND, IAC, SE);
+ }
+ if (his_state_is_will(TELOPT_XDISPLOC)) {
+ netoprintf("%c%c%c%c%c%c",
+ IAC, SB, TELOPT_XDISPLOC, TELQUAL_SEND, IAC, SE);
+ }
+ if (his_state_is_will(TELOPT_ENVIRON)) {
+ netoprintf("%c%c%c%c%c%c",
+ IAC, SB, TELOPT_ENVIRON, TELQUAL_SEND, IAC, SE);
+ }
+ if (his_state_is_will(TELOPT_TTYPE)) {
+ netoprintf("%c%c%c%c%c%c",
+ IAC, SB, TELOPT_TTYPE, TELQUAL_SEND, IAC, SE);
+ }
+ if (his_state_is_will(TELOPT_TSPEED)) {
+ while (sequenceIs(tspeedsubopt, baseline))
+ ttloop();
+ }
+ if (his_state_is_will(TELOPT_XDISPLOC)) {
+ while (sequenceIs(xdisplocsubopt, baseline))
+ ttloop();
+ }
+ if (his_state_is_will(TELOPT_ENVIRON)) {
+ while (sequenceIs(environsubopt, baseline))
+ ttloop();
+ }
+ if (his_state_is_will(TELOPT_TTYPE)) {
+ char first[256], last[256];
+
+ while (sequenceIs(ttypesubopt, baseline))
+ ttloop();
+
+ /*
+ * If the other side has already disabled the option, then
+ * we have to just go with what we (might) have already gotten.
+ */
+ if (his_state_is_will(TELOPT_TTYPE) && !terminaltypeok(terminaltype)) {
+ /*
+ * Due to state.c, terminaltype points to a static char[41].
+ * Therefore, this assert cannot fail, and therefore, strings
+ * arising from "terminaltype" can be safely strcpy'd into
+ * first[] or last[].
+ */
+ assert(strlen(terminaltype) < sizeof(first));
+
+ strcpy(first, terminaltype);
+
+ for(;;) {
+ /*
+ * Save the unknown name, and request the next name.
+ */
+ strcpy(last, terminaltype);
+
+ _gettermname();
+ assert(strlen(terminaltype) < sizeof(first));
+
+ if (terminaltypeok(terminaltype))
+ break;
+
+ if (!strcmp(last, terminaltype) ||
+ his_state_is_wont(TELOPT_TTYPE)) {
+ /*
+ * We've hit the end. If this is the same as
+ * the first name, just go with it.
+ */
+ if (!strcmp(first, terminaltype))
+ break;
+ /*
+ * Get the terminal name one more time, so that
+ * RFC1091 compliant telnets will cycle back to
+ * the start of the list.
+ */
+ _gettermname();
+ assert(strlen(terminaltype) < sizeof(first));
+
+ if (strcmp(first, terminaltype)) {
+ /*
+ * first[] came from terminaltype, so it must fit
+ * back in.
+ */
+ strcpy(terminaltype, first);
+ }
+ break;
+ }
+ }
+ }
+ }
+ return(retval);
+} /* end of getterminaltype */
+
+static
+void
+_gettermname(void)
+{
+ /*
+ * If the client turned off the option,
+ * we can't send another request, so we
+ * just return.
+ */
+ if (his_state_is_wont(TELOPT_TTYPE))
+ return;
+
+ settimer(baseline);
+ netoprintf("%c%c%c%c%c%c", IAC, SB, TELOPT_TTYPE, TELQUAL_SEND, IAC, SE);
+ while (sequenceIs(ttypesubopt, baseline))
+ ttloop();
+}
+
+static int
+terminaltypeok(const char *s)
+{
+ /* char buf[2048]; */
+
+ if (terminaltype == NULL)
+ return(1);
+
+ /*
+ * Fix from Chris Evans: if it has a / in it, termcap will
+ * treat it as a filename. Oops.
+ */
+ if (strchr(s, '/')) {
+ return 0;
+ }
+
+ /*
+ * If it's absurdly long, accept it without asking termcap.
+ *
+ * This means that it won't get seen again until after login,
+ * at which point exploiting buffer problems in termcap doesn't
+ * gain one anything.
+ *
+ * It's possible this limit ought to be raised to 128, but nothing
+ * in my termcap is more than 64, 64 is _plenty_ for most, and while
+ * buffers aren't likely to be smaller than 64, they might be 80 and
+ * thus less than 128.
+ */
+ if (strlen(s) > 63) {
+ return 0;
+ }
+
+ /*
+ * tgetent() will return 1 if the type is known, and
+ * 0 if it is not known. If it returns -1, it couldn't
+ * open the database. But if we can't open the database,
+ * it won't help to say we failed, because we won't be
+ * able to verify anything else. So, we treat -1 like 1.
+ */
+
+ /*
+ * Don't do this - tgetent is not really trustworthy. Assume
+ * the terminal type is one we know; terminal types are pretty
+ * standard now. And if it isn't, it's unlikely we're going to
+ * know anything else the remote telnet might send as an alias
+ * for it.
+ *
+ * if (tgetent(buf, s) == 0)
+ * return(0);
+ */
+ return(1);
+}
+
+#ifndef MAXHOSTNAMELEN
+#define MAXHOSTNAMELEN 64
+#endif /* MAXHOSTNAMELEN */
+
+char host_name[MAXHOSTNAMELEN];
+char remote_host_name[MAXHOSTNAMELEN];
+
+extern void telnet(int, int);
+
+/*
+ * Get a pty, scan input lines.
+ */
+static void
+doit(struct sockaddr_in *who)
+{
+ const char *host;
+ struct hostent *hp;
+ int level;
+ char user_name[256];
+
+ /*
+ * Find an available pty to use.
+ */
+ pty = getpty();
+ if (pty < 0)
+ fatal(net, "All network ports in use");
+
+ /* get name of connected client */
+ hp = gethostbyaddr((char *)&who->sin_addr, sizeof (struct in_addr),
+ who->sin_family);
+ if (hp)
+ host = hp->h_name;
+ else
+ host = inet_ntoa(who->sin_addr);
+
+ /*
+ * We must make a copy because Kerberos is probably going
+ * to also do a gethost* and overwrite the static data...
+ */
+ {
+ int i;
+ strncpy(remote_host_name, host, sizeof(remote_host_name)-1);
+ remote_host_name[sizeof(remote_host_name)-1] = 0;
+
+ /* Disallow funnies. */
+ for (i=0; remote_host_name[i]; i++) {
+ if (remote_host_name[i]<=32 || remote_host_name[i]>126)
+ remote_host_name[i] = '?';
+ }
+ }
+ host = remote_host_name;
+
+ /* Get local host name */
+ {
+ struct hostent *h;
+ gethostname(host_name, sizeof(host_name));
+ h = gethostbyname(host_name);
+ if (h) {
+ strncpy(host_name, h->h_name, sizeof(host_name));
+ host_name[sizeof(host_name)-1] = 0;
+ }
+ }
+
+#if defined(AUTHENTICATE) || defined(ENCRYPT)
+ auth_encrypt_init(host_name, host, "TELNETD", 1);
+#endif
+
+ init_env();
+ /*
+ * get terminal type.
+ */
+ *user_name = 0;
+ level = getterminaltype(user_name);
+ setenv("TERM", terminaltype ? terminaltype : "network", 1);
+
+ /* TODO list stuff provided by Laszlo Vecsey <master@internexus.net> */
+
+ /*
+ * Set REMOTEHOST environment variable
+ */
+ setproctitle("%s", host);
+ setenv("REMOTEHOST", host, 0);
+
+ /*
+ * Start up the login process on the slave side of the terminal
+ */
+ startslave(host, level, user_name);
+
+ telnet(net, pty); /* begin server processing */
+
+ /*NOTREACHED*/
+} /* end of doit */
+
+/*
+ * Main loop. Select from pty and network, and
+ * hand data to telnet receiver finite state machine.
+ */
+void telnet(int f, int p)
+{
+ int on = 1;
+ char *HE;
+ const char *IM;
+
+ /*
+ * Initialize the slc mapping table.
+ */
+ get_slc_defaults();
+
+ /*
+ * Do some tests where it is desireable to wait for a response.
+ * Rather than doing them slowly, one at a time, do them all
+ * at once.
+ */
+ if (my_state_is_wont(TELOPT_SGA))
+ send_will(TELOPT_SGA, 1);
+ /*
+ * Is the client side a 4.2 (NOT 4.3) system? We need to know this
+ * because 4.2 clients are unable to deal with TCP urgent data.
+ *
+ * To find out, we send out a "DO ECHO". If the remote system
+ * answers "WILL ECHO" it is probably a 4.2 client, and we note
+ * that fact ("WILL ECHO" ==> that the client will echo what
+ * WE, the server, sends it; it does NOT mean that the client will
+ * echo the terminal input).
+ */
+ send_do(TELOPT_ECHO, 1);
+
+#ifdef LINEMODE
+ if (his_state_is_wont(TELOPT_LINEMODE)) {
+ /*
+ * Query the peer for linemode support by trying to negotiate
+ * the linemode option.
+ */
+ linemode = 0;
+ editmode = 0;
+ send_do(TELOPT_LINEMODE, 1); /* send do linemode */
+ }
+#endif /* LINEMODE */
+
+ /*
+ * Send along a couple of other options that we wish to negotiate.
+ */
+ send_do(TELOPT_NAWS, 1);
+ send_will(TELOPT_STATUS, 1);
+ flowmode = 1; /* default flow control state */
+ send_do(TELOPT_LFLOW, 1);
+
+ /*
+ * Spin, waiting for a response from the DO ECHO. However,
+ * some REALLY DUMB telnets out there might not respond
+ * to the DO ECHO. So, we spin looking for NAWS, (most dumb
+ * telnets so far seem to respond with WONT for a DO that
+ * they don't understand...) because by the time we get the
+ * response, it will already have processed the DO ECHO.
+ * Kludge upon kludge.
+ */
+ while (his_will_wont_is_changing(TELOPT_NAWS)) {
+ ttloop();
+ }
+
+ /*
+ * But...
+ * The client might have sent a WILL NAWS as part of its
+ * startup code; if so, we'll be here before we get the
+ * response to the DO ECHO. We'll make the assumption
+ * that any implementation that understands about NAWS
+ * is a modern enough implementation that it will respond
+ * to our DO ECHO request; hence we'll do another spin
+ * waiting for the ECHO option to settle down, which is
+ * what we wanted to do in the first place...
+ */
+ if (his_want_state_is_will(TELOPT_ECHO) &&
+ his_state_is_will(TELOPT_NAWS)) {
+ while (his_will_wont_is_changing(TELOPT_ECHO))
+ ttloop();
+ }
+ /*
+ * On the off chance that the telnet client is broken and does not
+ * respond to the DO ECHO we sent, (after all, we did send the
+ * DO NAWS negotiation after the DO ECHO, and we won't get here
+ * until a response to the DO NAWS comes back) simulate the
+ * receipt of a will echo. This will also send a WONT ECHO
+ * to the client, since we assume that the client failed to
+ * respond because it believes that it is already in DO ECHO
+ * mode, which we do not want.
+ */
+ if (his_want_state_is_will(TELOPT_ECHO)) {
+ DIAG(TD_OPTIONS, netoprintf("td: simulating recv\r\n"););
+ willoption(TELOPT_ECHO);
+ }
+
+ /*
+ * Finally, to clean things up, we turn on our echo. This
+ * will break stupid 4.2 telnets out of local terminal echo.
+ */
+
+ if (my_state_is_wont(TELOPT_ECHO))
+ send_will(TELOPT_ECHO, 1);
+
+ /*
+ * Turn on packet mode
+ */
+ ioctl(p, TIOCPKT, (char *)&on);
+#if defined(LINEMODE) && defined(KLUDGELINEMODE)
+ /*
+ * Continuing line mode support. If client does not support
+ * real linemode, attempt to negotiate kludge linemode by sending
+ * the do timing mark sequence.
+ */
+ if (lmodetype < REAL_LINEMODE)
+ send_do(TELOPT_TM, 1);
+#endif /* defined(LINEMODE) && defined(KLUDGELINEMODE) */
+
+ /*
+ * Call telrcv() once to pick up anything received during
+ * terminal type negotiation, 4.2/4.3 determination, and
+ * linemode negotiation.
+ */
+ telrcv();
+
+ ioctl(f, FIONBIO, (char *)&on);
+ ioctl(p, FIONBIO, (char *)&on);
+
+#if defined(SO_OOBINLINE)
+ setsockopt(net, SOL_SOCKET, SO_OOBINLINE, &on, sizeof on);
+#endif /* defined(SO_OOBINLINE) */
+
+#ifdef SIGTSTP
+ signal(SIGTSTP, SIG_IGN);
+#endif
+#ifdef SIGTTOU
+ /*
+ * Ignoring SIGTTOU keeps the kernel from blocking us
+ * in ttioct() in /sys/tty.c.
+ */
+ signal(SIGTTOU, SIG_IGN);
+#endif
+
+ signal(SIGCHLD, cleanup);
+
+#ifdef TIOCNOTTY
+ {
+ register int t;
+ t = open(_PATH_TTY, O_RDWR);
+ if (t >= 0) {
+ (void) ioctl(t, TIOCNOTTY, (char *)0);
+ (void) close(t);
+ }
+ }
+#endif
+
+ /*
+ * Show banner that getty never gave.
+ *
+ * We put the banner in the pty input buffer. This way, it
+ * gets carriage return null processing, etc., just like all
+ * other pty --> client data.
+ */
+
+ if (getenv("USER"))
+ hostinfo = 0;
+
+ IM = DEFAULT_IM;
+ HE = 0;
+
+ edithost(HE, host_name);
+ if (hostinfo && *IM)
+ putf(IM, ptyibuf2);
+
+ if (pcc) strncat(ptyibuf2, ptyip, pcc+1);
+ ptyip = ptyibuf2;
+ pcc = strlen(ptyip);
+#ifdef LINEMODE
+ /*
+ * Last check to make sure all our states are correct.
+ */
+ init_termbuf();
+ localstat();
+#endif /* LINEMODE */
+
+ DIAG(TD_REPORT, netoprintf("td: Entering processing loop\r\n"););
+
+ for (;;) {
+ fd_set ibits, obits, xbits;
+ int c, hifd;
+
+ if (ncc < 0 && pcc < 0)
+ break;
+
+ FD_ZERO(&ibits);
+ FD_ZERO(&obits);
+ FD_ZERO(&xbits);
+ hifd=0;
+ /*
+ * Never look for input if there's still
+ * stuff in the corresponding output buffer
+ */
+ if (nfrontp - nbackp || pcc > 0) {
+ FD_SET(f, &obits);
+ if (f >= hifd) hifd = f+1;
+ }
+ else {
+ FD_SET(p, &ibits);
+ if (p >= hifd) hifd = p+1;
+ }
+ if (pfrontp - pbackp || ncc > 0) {
+ FD_SET(p, &obits);
+ if (p >= hifd) hifd = p+1;
+ }
+ else {
+ FD_SET(f, &ibits);
+ if (f >= hifd) hifd = f+1;
+ }
+ if (!SYNCHing) {
+ FD_SET(f, &xbits);
+ if (f >= hifd) hifd = f+1;
+ }
+ if ((c = select(hifd, &ibits, &obits, &xbits,
+ (struct timeval *)0)) < 1) {
+ if (c == -1) {
+ if (errno == EINTR) {
+ continue;
+ }
+ }
+ sleep(5);
+ continue;
+ }
+
+ /*
+ * Any urgent data?
+ */
+ if (FD_ISSET(net, &xbits)) {
+ SYNCHing = 1;
+ }
+
+ /*
+ * Something to read from the network...
+ */
+ if (FD_ISSET(net, &ibits)) {
+#if !defined(SO_OOBINLINE)
+ /*
+ * In 4.2 (and 4.3 beta) systems, the
+ * OOB indication and data handling in the kernel
+ * is such that if two separate TCP Urgent requests
+ * come in, one byte of TCP data will be overlaid.
+ * This is fatal for Telnet, but we try to live
+ * with it.
+ *
+ * In addition, in 4.2 (and...), a special protocol
+ * is needed to pick up the TCP Urgent data in
+ * the correct sequence.
+ *
+ * What we do is: if we think we are in urgent
+ * mode, we look to see if we are "at the mark".
+ * If we are, we do an OOB receive. If we run
+ * this twice, we will do the OOB receive twice,
+ * but the second will fail, since the second
+ * time we were "at the mark", but there wasn't
+ * any data there (the kernel doesn't reset
+ * "at the mark" until we do a normal read).
+ * Once we've read the OOB data, we go ahead
+ * and do normal reads.
+ *
+ * There is also another problem, which is that
+ * since the OOB byte we read doesn't put us
+ * out of OOB state, and since that byte is most
+ * likely the TELNET DM (data mark), we would
+ * stay in the TELNET SYNCH (SYNCHing) state.
+ * So, clocks to the rescue. If we've "just"
+ * received a DM, then we test for the
+ * presence of OOB data when the receive OOB
+ * fails (and AFTER we did the normal mode read
+ * to clear "at the mark").
+ */
+ if (SYNCHing) {
+ int atmark;
+
+ ioctl(net, SIOCATMARK, (char *)&atmark);
+ if (atmark) {
+ ncc = recv(net, netibuf, sizeof (netibuf), MSG_OOB);
+ if ((ncc == -1) && (errno == EINVAL)) {
+ ncc = read(net, netibuf, sizeof (netibuf));
+ if (sequenceIs(didnetreceive, gotDM)) {
+ SYNCHing = stilloob(net);
+ }
+ }
+ }
+ else {
+ ncc = read(net, netibuf, sizeof (netibuf));
+ }
+ }
+ else {
+ ncc = read(net, netibuf, sizeof (netibuf));
+ }
+ settimer(didnetreceive);
+#else /* !defined(SO_OOBINLINE)) */
+ ncc = read(net, netibuf, sizeof (netibuf));
+#endif /* !defined(SO_OOBINLINE)) */
+ if (ncc < 0 && errno == EWOULDBLOCK)
+ ncc = 0;
+ else {
+ if (ncc <= 0) {
+ break;
+ }
+ netip = netibuf;
+ }
+ DIAG((TD_REPORT | TD_NETDATA),
+ netoprintf("td: netread %d chars\r\n", ncc););
+ DIAG(TD_NETDATA, printdata("nd", netip, ncc));
+ }
+
+ /*
+ * Something to read from the pty...
+ */
+ if (FD_ISSET(p, &ibits)) {
+ pcc = read(p, ptyibuf, BUFSIZ);
+ /*
+ * On some systems, if we try to read something
+ * off the master side before the slave side is
+ * opened, we get EIO.
+ */
+ if (pcc < 0 && (errno == EWOULDBLOCK || errno == EIO)) {
+ pcc = 0;
+ }
+ else {
+ if (pcc <= 0)
+ break;
+#ifdef LINEMODE
+ /*
+ * If ioctl from pty, pass it through net
+ */
+ if (ptyibuf[0] & TIOCPKT_IOCTL) {
+ copy_termbuf(ptyibuf+1, pcc-1);
+ localstat();
+ pcc = 1;
+ }
+#endif /* LINEMODE */
+ if (ptyibuf[0] & TIOCPKT_FLUSHWRITE) {
+ netclear(); /* clear buffer back */
+#ifndef NO_URGENT
+ /*
+ * There are client telnets on some
+ * operating systems get screwed up
+ * royally if we send them urgent
+ * mode data.
+ */
+ netoprintf("%c%c", IAC, DM);
+ neturg = nfrontp-1; /* off by one XXX */
+#endif
+ }
+ if (his_state_is_will(TELOPT_LFLOW) &&
+ (ptyibuf[0] &
+ (TIOCPKT_NOSTOP|TIOCPKT_DOSTOP))) {
+ netoprintf("%c%c%c%c%c%c",
+ IAC, SB, TELOPT_LFLOW,
+ ptyibuf[0] & TIOCPKT_DOSTOP ? 1 : 0,
+ IAC, SE);
+ }
+ pcc--;
+ ptyip = ptyibuf+1;
+ }
+ }
+
+ while (pcc > 0) {
+ if ((&netobuf[BUFSIZ] - nfrontp) < 2)
+ break;
+ c = *ptyip++ & 0377, pcc--;
+ if (c == IAC)
+ *nfrontp++ = c;
+ *nfrontp++ = c;
+ if ((c == '\r' ) && (my_state_is_wont(TELOPT_BINARY))) {
+ if (pcc > 0 && ((*ptyip & 0377) == '\n')) {
+ *nfrontp++ = *ptyip++ & 0377;
+ pcc--;
+ }
+ else *nfrontp++ = '\0';
+ }
+ }
+
+ if (FD_ISSET(f, &obits) && (nfrontp - nbackp) > 0)
+ netflush();
+ if (ncc > 0)
+ telrcv();
+ if (FD_ISSET(p, &obits) && (pfrontp - pbackp) > 0)
+ ptyflush();
+ }
+ cleanup(0);
+} /* end of telnet */
+
+#ifndef TCSIG
+# ifdef TIOCSIG
+# define TCSIG TIOCSIG
+# endif
+#endif
+
+/*
+ * Send interrupt to process on other side of pty.
+ * If it is in raw mode, just write NULL;
+ * otherwise, write intr char.
+ */
+void interrupt(void) {
+ ptyflush(); /* half-hearted */
+
+#ifdef TCSIG
+ (void) ioctl(pty, TCSIG, (char *)SIGINT);
+#else /* TCSIG */
+ init_termbuf();
+ *pfrontp++ = slctab[SLC_IP].sptr ?
+ (unsigned char)*slctab[SLC_IP].sptr : '\177';
+#endif /* TCSIG */
+}
+
+/*
+ * Send quit to process on other side of pty.
+ * If it is in raw mode, just write NULL;
+ * otherwise, write quit char.
+ */
+void sendbrk(void) {
+ ptyflush(); /* half-hearted */
+#ifdef TCSIG
+ (void) ioctl(pty, TCSIG, (char *)SIGQUIT);
+#else /* TCSIG */
+ init_termbuf();
+ *pfrontp++ = slctab[SLC_ABORT].sptr ?
+ (unsigned char)*slctab[SLC_ABORT].sptr : '\034';
+#endif /* TCSIG */
+}
+
+void sendsusp(void) {
+#ifdef SIGTSTP
+ ptyflush(); /* half-hearted */
+# ifdef TCSIG
+ (void) ioctl(pty, TCSIG, (char *)SIGTSTP);
+# else /* TCSIG */
+ *pfrontp++ = slctab[SLC_SUSP].sptr ?
+ (unsigned char)*slctab[SLC_SUSP].sptr : '\032';
+# endif /* TCSIG */
+#endif /* SIGTSTP */
+}
+
+/*
+ * When we get an AYT, if ^T is enabled, use that. Otherwise,
+ * just send back "[Yes]".
+ */
+void recv_ayt(void) {
+#if defined(SIGINFO) && defined(TCSIG)
+ if (slctab[SLC_AYT].sptr && *slctab[SLC_AYT].sptr != _POSIX_VDISABLE) {
+ (void) ioctl(pty, TCSIG, (char *)SIGINFO);
+ return;
+ }
+#endif
+ netoprintf("\r\n[Yes]\r\n");
+}
+
+void doeof(void) {
+ init_termbuf();
+
+#if defined(LINEMODE) && (VEOF == VMIN)
+ if (!tty_isediting()) {
+ extern char oldeofc;
+ *pfrontp++ = oldeofc;
+ return;
+ }
+#endif
+ *pfrontp++ = slctab[SLC_EOF].sptr ?
+ (unsigned char)*slctab[SLC_EOF].sptr : '\004';
+}
Index: netkit-telnet-0.17-new/telnetd/utility.c
===================================================================
--- netkit-telnet-0.17-new/telnetd/utility.c (nonexistent)
+++ netkit-telnet-0.17-new/telnetd/utility.c (revision 5)
@@ -0,0 +1,1153 @@
+/*
+ * Copyright (c) 1989 Regents of the University of California.
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+/*
+ * From: @(#)utility.c 5.8 (Berkeley) 3/22/91
+ */
+char util_rcsid[] =
+ "$Id: utility.c,v 1.11 1999/12/12 14:59:45 dholland Exp $";
+
+#define PRINTOPTIONS
+
+#include <stdarg.h>
+#include <sys/utsname.h>
+#include <time.h>
+
+#ifdef AUTHENTICATE
+#include <libtelnet/auth.h>
+#endif
+
+#include "telnetd.h"
+
+/*
+ * utility functions performing io related tasks
+ */
+
+void
+netoprintf(const char *fmt, ...)
+{
+ int len = 0, maxsize;
+ va_list ap;
+ int done=0;
+
+ while (!done) {
+ maxsize = sizeof(netobuf) - (nfrontp - netobuf);
+ if (maxsize < 0) {
+ /* no way this is gonna fit - try to flush some */
+ netflush();
+ maxsize = sizeof(netobuf) - (nfrontp - netobuf);
+ if (maxsize < 0)
+ break;
+ }
+
+ va_start(ap, fmt);
+ len = vsnprintf(nfrontp, maxsize, fmt, ap);
+ va_end(ap);
+
+ if (len<=0 || len==maxsize) {
+ /* didn't fit */
+ netflush();
+ }
+ else {
+ done = 1;
+ }
+ }
+ nfrontp += len;
+}
+
+/*
+ * ttloop
+ *
+ * A small subroutine to flush the network output buffer, get some data
+ * from the network, and pass it through the telnet state machine. We
+ * also flush the pty input buffer (by dropping its data) if it becomes
+ * too full.
+ */
+
+void
+ttloop(void)
+{
+
+ DIAG(TD_REPORT, netoprintf("td: ttloop\r\n"););
+
+ if (nfrontp-nbackp) {
+ netflush();
+ }
+ ncc = read(net, netibuf, sizeof(netibuf));
+ if (ncc < 0) {
+ syslog(LOG_INFO, "ttloop: read: %m\n");
+ exit(1);
+ } else if (ncc == 0) {
+ syslog(LOG_INFO, "ttloop: peer died: EOF\n");
+ exit(1);
+ }
+ DIAG(TD_REPORT, netoprintf("td: ttloop read %d chars\r\n", ncc););
+ netip = netibuf;
+ telrcv(); /* state machine */
+ if (ncc > 0) {
+ pfrontp = pbackp = ptyobuf;
+ telrcv();
+ }
+} /* end of ttloop */
+
+/*
+ * Check a descriptor to see if out of band data exists on it.
+ */
+int stilloob(int s) /* socket number */
+{
+ static struct timeval timeout = { 0, 0 };
+ fd_set excepts;
+ int value;
+
+ do {
+ FD_ZERO(&excepts);
+ FD_SET(s, &excepts);
+ value = select(s+1, (fd_set *)0, (fd_set *)0, &excepts, &timeout);
+ } while ((value == -1) && (errno == EINTR));
+
+ if (value < 0) {
+ fatalperror(pty, "select");
+ }
+ if (FD_ISSET(s, &excepts)) {
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+void ptyflush(void)
+{
+ int n;
+
+ if ((n = pfrontp - pbackp) > 0) {
+ DIAG((TD_REPORT | TD_PTYDATA),
+ netoprintf("td: ptyflush %d chars\r\n", n););
+ DIAG(TD_PTYDATA, printdata("pd", pbackp, n));
+ n = write(pty, pbackp, n);
+ }
+ if (n < 0) {
+ if (errno == EWOULDBLOCK || errno == EINTR)
+ return;
+ cleanup(0);
+ }
+ pbackp += n;
+ if (pbackp == pfrontp)
+ pbackp = pfrontp = ptyobuf;
+}
+
+/*
+ * nextitem()
+ *
+ * Return the address of the next "item" in the TELNET data
+ * stream. This will be the address of the next character if
+ * the current address is a user data character, or it will
+ * be the address of the character following the TELNET command
+ * if the current address is a TELNET IAC ("I Am a Command")
+ * character.
+ */
+static
+char *
+nextitem(char *current)
+{
+ if ((*current&0xff) != IAC) {
+ return current+1;
+ }
+ switch (*(current+1)&0xff) {
+ case DO:
+ case DONT:
+ case WILL:
+ case WONT:
+ return current+3;
+ case SB: /* loop forever looking for the SE */
+ {
+ register char *look = current+2;
+
+ for (;;) {
+ if ((*look++&0xff) == IAC) {
+ if ((*look++&0xff) == SE) {
+ return look;
+ }
+ }
+ }
+ }
+ default:
+ return current+2;
+ }
+} /* end of nextitem */
+
+
+/*
+ * netclear()
+ *
+ * We are about to do a TELNET SYNCH operation. Clear
+ * the path to the network.
+ *
+ * Things are a bit tricky since we may have sent the first
+ * byte or so of a previous TELNET command into the network.
+ * So, we have to scan the network buffer from the beginning
+ * until we are up to where we want to be.
+ *
+ * A side effect of what we do, just to keep things
+ * simple, is to clear the urgent data pointer. The principal
+ * caller should be setting the urgent data pointer AFTER calling
+ * us in any case.
+ */
+void netclear(void)
+{
+ register char *thisitem, *next;
+ char *good;
+#define wewant(p) ((nfrontp > p) && ((*p&0xff) == IAC) && \
+ ((*(p+1)&0xff) != EC) && ((*(p+1)&0xff) != EL))
+
+#if defined(ENCRYPT)
+ thisitem = nclearto > netobuf ? nclearto : netobuf;
+#else
+ thisitem = netobuf;
+#endif
+
+ while ((next = nextitem(thisitem)) <= nbackp) {
+ thisitem = next;
+ }
+
+ /* Now, thisitem is first before/at boundary. */
+
+#if defined(ENCRYPT)
+ good = nclearto > netobuf ? nclearto : netobuf;
+#else
+ good = netobuf; /* where the good bytes go */
+#endif
+
+ while (nfrontp > thisitem) {
+ if (wewant(thisitem)) {
+ int length;
+
+ next = thisitem;
+ do {
+ next = nextitem(next);
+ } while (wewant(next) && (nfrontp > next));
+ length = next-thisitem;
+ bcopy(thisitem, good, length);
+ good += length;
+ thisitem = next;
+ } else {
+ thisitem = nextitem(thisitem);
+ }
+ }
+
+ nbackp = netobuf;
+ nfrontp = good; /* next byte to be sent */
+ neturg = 0;
+} /* end of netclear */
+
+/*
+ * netflush
+ * Send as much data as possible to the network,
+ * handling requests for urgent data.
+ */
+extern int not42;
+void
+netflush(void)
+{
+ int n;
+
+ if ((n = nfrontp - nbackp) > 0) {
+ DIAG(TD_REPORT,
+ { netoprintf("td: netflush %d chars\r\n", n);
+ n = nfrontp - nbackp; /* update count */
+ });
+#if defined(ENCRYPT)
+ if (encrypt_output) {
+ char *s = nclearto ? nclearto : nbackp;
+ if (nfrontp - s > 0) {
+ (*encrypt_output)((unsigned char *)s, nfrontp-s);
+ nclearto = nfrontp;
+ }
+ }
+#endif
+ /*
+ * if no urgent data, or if the other side appears to be an
+ * old 4.2 client (and thus unable to survive TCP urgent data),
+ * write the entire buffer in non-OOB mode.
+ */
+ if ((neturg == 0) || (not42 == 0)) {
+ n = write(net, nbackp, n); /* normal write */
+ } else {
+ n = neturg - nbackp;
+ /*
+ * In 4.2 (and 4.3) systems, there is some question about
+ * what byte in a sendOOB operation is the "OOB" data.
+ * To make ourselves compatible, we only send ONE byte
+ * out of band, the one WE THINK should be OOB (though
+ * we really have more the TCP philosophy of urgent data
+ * rather than the Unix philosophy of OOB data).
+ */
+ if (n > 1) {
+ n = send(net, nbackp, n-1, 0); /* send URGENT all by itself */
+ } else {
+ n = send(net, nbackp, n, MSG_OOB); /* URGENT data */
+ }
+ }
+ }
+ if (n < 0) {
+ if (errno == EWOULDBLOCK || errno == EINTR)
+ return;
+ cleanup(0);
+ }
+ nbackp += n;
+#if defined(ENCRYPT)
+ if (nbackp > nclearto)
+ nclearto = 0;
+#endif
+ if (nbackp >= neturg) {
+ neturg = 0;
+ }
+ if (nbackp == nfrontp) {
+ nbackp = nfrontp = netobuf;
+#if defined(ENCRYPT)
+ nclearto = 0;
+#endif
+ }
+ return;
+} /* end of netflush */
+
+
+/*
+ * writenet
+ *
+ * Just a handy little function to write a bit of raw data to the net.
+ * It will force a transmit of the buffer if necessary
+ *
+ * arguments
+ * ptr - A pointer to a character string to write
+ * len - How many bytes to write
+ */
+void writenet(register unsigned char *ptr, register int len)
+{
+ /* flush buffer if no room for new data) */
+ if ((&netobuf[BUFSIZ] - nfrontp) < len) {
+ /* if this fails, don't worry, buffer is a little big */
+ netflush();
+ }
+
+ bcopy(ptr, nfrontp, len);
+ nfrontp += len;
+
+} /* end of writenet */
+
+
+/*
+ * miscellaneous functions doing a variety of little jobs follow ...
+ */
+
+
+void
+fatal(int f, const char *msg)
+{
+ char buf[BUFSIZ];
+
+ (void) snprintf(buf, sizeof(buf), "telnetd: %s.\r\n", msg);
+#if defined(ENCRYPT)
+ if (encrypt_output) {
+ /*
+ * Better turn off encryption first....
+ * Hope it flushes...
+ */
+ encrypt_send_end();
+ netflush();
+ }
+#endif
+ (void) write(f, buf, (int)strlen(buf));
+ sleep(1); /*XXX*/
+ exit(1);
+}
+
+void
+fatalperror(int f, const char *msg)
+{
+ char buf[BUFSIZ];
+ snprintf(buf, sizeof(buf), "%s: %s\r\n", msg, strerror(errno));
+ fatal(f, buf);
+}
+
+char editedhost[32];
+struct utsname kerninfo;
+
+void
+edithost(const char *pat, const char *host)
+{
+ char *res = editedhost;
+
+ uname(&kerninfo);
+
+ if (!pat)
+ pat = "";
+ while (*pat) {
+ switch (*pat) {
+
+ case '#':
+ if (*host)
+ host++;
+ break;
+
+ case '@':
+ if (*host)
+ *res++ = *host++;
+ break;
+
+ default:
+ *res++ = *pat;
+ break;
+ }
+ if (res == &editedhost[sizeof editedhost - 1]) {
+ *res = '\0';
+ return;
+ }
+ pat++;
+ }
+ if (*host)
+ (void) strncpy(res, host,
+ sizeof editedhost - (res - editedhost) -1);
+ else
+ *res = '\0';
+ editedhost[sizeof editedhost - 1] = '\0';
+}
+
+static char *putlocation;
+
+static
+void
+putstr(const char *s)
+{
+ while (*s) putchr(*s++);
+}
+
+void putchr(int cc)
+{
+ *putlocation++ = cc;
+}
+
+static char fmtstr[] = { "%H:%M on %A, %d %B %Y" };
+
+void putf(const char *cp, char *where)
+{
+ char *slash;
+ time_t t;
+ char db[100];
+
+ if (where)
+ putlocation = where;
+
+ while (*cp) {
+ if (*cp != '%') {
+ putchr(*cp++);
+ continue;
+ }
+ switch (*++cp) {
+
+ case 't':
+ slash = strrchr(line, '/');
+ if (slash == NULL)
+ putstr(line);
+ else
+ putstr(slash+1);
+ break;
+
+ case 'h':
+ putstr(editedhost);
+ break;
+
+ case 'd':
+ (void)time(&t);
+ (void)strftime(db, sizeof(db), fmtstr, localtime(&t));
+ putstr(db);
+ break;
+
+ case '%':
+ putchr('%');
+ break;
+
+ case 'D':
+ {
+ char buff[128];
+
+ if (getdomainname(buff,sizeof(buff)) < 0
+ || buff[0] == '\0'
+ || strcmp(buff, "(none)") == 0)
+ break;
+ putstr(buff);
+ }
+ break;
+
+ case 'i':
+ {
+ char buff[3];
+ FILE *fp;
+ int p, c;
+
+ if ((fp = fopen(ISSUE_FILE, "r")) == NULL)
+ break;
+ p = '\n';
+ while ((c = fgetc(fp)) != EOF) {
+ if (p == '\n' && c == '#') {
+ do {
+ c = fgetc(fp);
+ } while (c != EOF && c != '\n');
+ continue;
+ } else if (c == '%') {
+ buff[0] = c;
+ c = fgetc(fp);
+ if (c == EOF) break;
+ buff[1] = c;
+ buff[2] = '\0';
+ putf(buff, NULL);
+ } else {
+ if (c == '\n') putchr('\r');
+ putchr(c);
+ p = c;
+ }
+ };
+ (void) fclose(fp);
+ }
+ return; /* ignore remainder of the banner string */
+ /*NOTREACHED*/
+
+ case 's':
+ putstr(kerninfo.sysname);
+ break;
+
+ case 'm':
+ putstr(kerninfo.machine);
+ break;
+
+ case 'r':
+ putstr(kerninfo.release);
+ break;
+
+ case 'v':
+#ifdef __linux__
+ putstr(kerninfo.version);
+#else
+ puts(kerninfo.version);
+#endif
+ break;
+ }
+ cp++;
+ }
+}
+
+#ifdef DIAGNOSTICS
+/*
+ * Print telnet options and commands in plain text, if possible.
+ */
+void
+printoption(const char *fmt, int option)
+{
+ if (TELOPT_OK(option))
+ netoprintf("%s %s\r\n", fmt, TELOPT(option));
+ else if (TELCMD_OK(option))
+ netoprintf("%s %s\r\n", fmt, TELCMD(option));
+ else
+ netoprintf("%s %d\r\n", fmt, option);
+}
+
+/* direction: '<' or '>' */
+/* pointer: where suboption data sits */
+/* length: length of suboption data */
+void
+printsub(char direction, unsigned char *pointer, int length)
+{
+ register int i = -1;
+#ifdef AUTHENTICATE
+ char buf[512];
+#endif
+
+ if (!(diagnostic & TD_OPTIONS))
+ return;
+
+ if (direction) {
+ netoprintf("td: %s suboption ",
+ direction == '<' ? "recv" : "send");
+ if (length >= 3) {
+ register int j;
+
+ i = pointer[length-2];
+ j = pointer[length-1];
+
+ if (i != IAC || j != SE) {
+ netoprintf("(terminated by ");
+ if (TELOPT_OK(i))
+ netoprintf("%s ", TELOPT(i));
+ else if (TELCMD_OK(i))
+ netoprintf("%s ", TELCMD(i));
+ else
+ netoprintf("%d ", i);
+ if (TELOPT_OK(j))
+ netoprintf("%s", TELOPT(j));
+ else if (TELCMD_OK(j))
+ netoprintf("%s", TELCMD(j));
+ else
+ netoprintf("%d", j);
+ netoprintf(", not IAC SE!) ");
+ }
+ }
+ length -= 2;
+ }
+ if (length < 1) {
+ netoprintf("(Empty suboption ? ? ?)");
+ return;
+ }
+ switch (pointer[0]) {
+ case TELOPT_TTYPE:
+ netoprintf("TERMINAL-TYPE ");
+ switch (pointer[1]) {
+ case TELQUAL_IS:
+ netoprintf("IS \"%.*s\"", length-2, (char *)pointer+2);
+ break;
+ case TELQUAL_SEND:
+ netoprintf("SEND");
+ break;
+ default:
+ netoprintf("- unknown qualifier %d (0x%x).",
+ pointer[1], pointer[1]);
+ }
+ break;
+ case TELOPT_TSPEED:
+ netoprintf("TERMINAL-SPEED");
+ if (length < 2) {
+ netoprintf(" (empty suboption ? ? ?)");
+ break;
+ }
+ switch (pointer[1]) {
+ case TELQUAL_IS:
+ netoprintf(" IS %.*s", length-2, (char *)pointer+2);
+ break;
+ default:
+ if (pointer[1] == 1)
+ netoprintf(" SEND");
+ else
+ netoprintf(" %d (unknown)", pointer[1]);
+ for (i = 2; i < length; i++) {
+ netoprintf(" ?%d?", pointer[i]);
+ }
+ break;
+ }
+ break;
+
+ case TELOPT_LFLOW:
+ netoprintf("TOGGLE-FLOW-CONTROL");
+ if (length < 2) {
+ netoprintf(" (empty suboption ? ? ?)");
+ break;
+ }
+ switch (pointer[1]) {
+ case 0:
+ netoprintf(" OFF"); break;
+ case 1:
+ netoprintf(" ON"); break;
+ default:
+ netoprintf(" %d (unknown)", pointer[1]);
+ }
+ for (i = 2; i < length; i++) {
+ netoprintf(" ?%d?", pointer[i]);
+ }
+ break;
+
+ case TELOPT_NAWS:
+ netoprintf("NAWS");
+ if (length < 2) {
+ netoprintf(" (empty suboption ? ? ?)");
+ break;
+ }
+ if (length == 2) {
+ netoprintf(" ?%d?", pointer[1]);
+ break;
+ }
+ netoprintf(" %d %d (%d)",
+ pointer[1], pointer[2],
+ (int)((((unsigned int)pointer[1])<<8)|((unsigned int)pointer[2])));
+ if (length == 4) {
+ netoprintf(" ?%d?", pointer[3]);
+ break;
+ }
+ netoprintf(" %d %d (%d)",
+ pointer[3], pointer[4],
+ (int)((((unsigned int)pointer[3])<<8)|((unsigned int)pointer[4])));
+ for (i = 5; i < length; i++) {
+ netoprintf(" ?%d?", pointer[i]);
+ }
+ break;
+
+ case TELOPT_LINEMODE:
+ netoprintf("LINEMODE ");
+ if (length < 2) {
+ netoprintf(" (empty suboption ? ? ?)");
+ break;
+ }
+ switch (pointer[1]) {
+ case WILL:
+ netoprintf("WILL ");
+ goto common;
+ case WONT:
+ netoprintf("WONT ");
+ goto common;
+ case DO:
+ netoprintf("DO ");
+ goto common;
+ case DONT:
+ netoprintf("DONT ");
+ common:
+ if (length < 3) {
+ netoprintf("(no option ? ? ?)");
+ break;
+ }
+ switch (pointer[2]) {
+ case LM_FORWARDMASK:
+ netoprintf("Forward Mask");
+ for (i = 3; i < length; i++) {
+ netoprintf(" %x", pointer[i]);
+ }
+ break;
+ default:
+ netoprintf("%d (unknown)", pointer[2]);
+ for (i = 3; i < length; i++) {
+ netoprintf(" %d", pointer[i]);
+ }
+ break;
+ }
+ break;
+
+ case LM_SLC:
+ netoprintf("SLC");
+ for (i = 2; i < length - 2; i += 3) {
+ if (SLC_NAME_OK(pointer[i+SLC_FUNC]))
+ netoprintf(" %s", SLC_NAME(pointer[i+SLC_FUNC]));
+ else
+ netoprintf(" %d", pointer[i+SLC_FUNC]);
+ switch (pointer[i+SLC_FLAGS]&SLC_LEVELBITS) {
+ case SLC_NOSUPPORT:
+ netoprintf(" NOSUPPORT"); break;
+ case SLC_CANTCHANGE:
+ netoprintf(" CANTCHANGE"); break;
+ case SLC_VARIABLE:
+ netoprintf(" VARIABLE"); break;
+ case SLC_DEFAULT:
+ netoprintf(" DEFAULT"); break;
+ }
+ netoprintf("%s%s%s",
+ pointer[i+SLC_FLAGS]&SLC_ACK ? "|ACK" : "",
+ pointer[i+SLC_FLAGS]&SLC_FLUSHIN ? "|FLUSHIN" : "",
+ pointer[i+SLC_FLAGS]&SLC_FLUSHOUT ? "|FLUSHOUT" : "");
+ if (pointer[i+SLC_FLAGS]& ~(SLC_ACK|SLC_FLUSHIN|
+ SLC_FLUSHOUT| SLC_LEVELBITS)) {
+ netoprintf("(0x%x)", pointer[i+SLC_FLAGS]);
+ }
+ netoprintf(" %d;", pointer[i+SLC_VALUE]);
+ if ((pointer[i+SLC_VALUE] == IAC) &&
+ (pointer[i+SLC_VALUE+1] == IAC))
+ i++;
+ }
+ for (; i < length; i++) {
+ netoprintf(" ?%d?", pointer[i]);
+ }
+ break;
+
+ case LM_MODE:
+ netoprintf("MODE ");
+ if (length < 3) {
+ netoprintf("(no mode ? ? ?)");
+ break;
+ }
+ {
+ char tbuf[32];
+ snprintf(tbuf, sizeof(tbuf), "%s%s%s%s%s",
+ pointer[2]&MODE_EDIT ? "|EDIT" : "",
+ pointer[2]&MODE_TRAPSIG ? "|TRAPSIG" : "",
+ pointer[2]&MODE_SOFT_TAB ? "|SOFT_TAB" : "",
+ pointer[2]&MODE_LIT_ECHO ? "|LIT_ECHO" : "",
+ pointer[2]&MODE_ACK ? "|ACK" : "");
+ netoprintf("%s", tbuf[1] ? &tbuf[1] : "0");
+ }
+ if (pointer[2]&~(MODE_EDIT|MODE_TRAPSIG|MODE_ACK)) {
+ netoprintf(" (0x%x)", pointer[2]);
+ }
+ for (i = 3; i < length; i++) {
+ netoprintf(" ?0x%x?", pointer[i]);
+ }
+ break;
+ default:
+ netoprintf("%d (unknown)", pointer[1]);
+ for (i = 2; i < length; i++) {
+ netoprintf(" %d", pointer[i]);
+ }
+ }
+ break;
+
+ case TELOPT_STATUS: {
+ const char *cp;
+ register int j, k;
+
+ netoprintf("STATUS");
+
+ switch (pointer[1]) {
+ default:
+ if (pointer[1] == TELQUAL_SEND)
+ netoprintf(" SEND");
+ else
+ netoprintf(" %d (unknown)", pointer[1]);
+ for (i = 2; i < length; i++) {
+ netoprintf(" ?%d?", pointer[i]);
+ }
+ break;
+ case TELQUAL_IS:
+ netoprintf(" IS\r\n");
+
+ for (i = 2; i < length; i++) {
+ switch(pointer[i]) {
+ case DO: cp = "DO"; goto common2;
+ case DONT: cp = "DONT"; goto common2;
+ case WILL: cp = "WILL"; goto common2;
+ case WONT: cp = "WONT"; goto common2;
+ common2:
+ i++;
+ if (TELOPT_OK((int)pointer[i]))
+ netoprintf(" %s %s", cp, TELOPT(pointer[i]));
+ else
+ netoprintf(" %s %d", cp, pointer[i]);
+
+ netoprintf("\r\n");
+ break;
+
+ case SB:
+ netoprintf(" SB ");
+ i++;
+ j = k = i;
+ while (j < length) {
+ if (pointer[j] == SE) {
+ if (j+1 == length)
+ break;
+ if (pointer[j+1] == SE)
+ j++;
+ else
+ break;
+ }
+ pointer[k++] = pointer[j++];
+ }
+ printsub(0, &pointer[i], k - i);
+ if (i < length) {
+ netoprintf(" SE");
+ i = j;
+ } else
+ i = j - 1;
+
+ netoprintf("\r\n");
+
+ break;
+
+ default:
+ netoprintf(" %d", pointer[i]);
+ break;
+ }
+ }
+ break;
+ }
+ break;
+ }
+
+ case TELOPT_XDISPLOC:
+ netoprintf("X-DISPLAY-LOCATION ");
+ switch (pointer[1]) {
+ case TELQUAL_IS:
+ netoprintf("IS \"%.*s\"", length-2, (char *)pointer+2);
+ break;
+ case TELQUAL_SEND:
+ netoprintf("SEND");
+ break;
+ default:
+ netoprintf("- unknown qualifier %d (0x%x).",
+ pointer[1], pointer[1]);
+ }
+ break;
+
+ case TELOPT_ENVIRON:
+ netoprintf("ENVIRON ");
+ switch (pointer[1]) {
+ case TELQUAL_IS:
+ netoprintf("IS ");
+ goto env_common;
+ case TELQUAL_SEND:
+ netoprintf("SEND ");
+ goto env_common;
+ case TELQUAL_INFO:
+ netoprintf("INFO ");
+ env_common:
+ {
+ register int noquote = 2;
+ for (i = 2; i < length; i++ ) {
+ switch (pointer[i]) {
+ case ENV_VAR:
+ if (pointer[1] == TELQUAL_SEND)
+ goto def_case;
+ netoprintf("\" VAR " + noquote);
+ noquote = 2;
+ break;
+
+ case ENV_VALUE:
+ netoprintf("\" VALUE " + noquote);
+ noquote = 2;
+ break;
+
+ case ENV_ESC:
+ netoprintf("\" ESC " + noquote);
+ noquote = 2;
+ break;
+
+ default:
+ def_case:
+ if (isprint(pointer[i]) && pointer[i] != '"') {
+ if (noquote) {
+ netoprintf("\"");
+ noquote = 0;
+ }
+ netoprintf("%c", pointer[i]);
+ } else {
+ netoprintf("\" %03o " + noquote,
+ pointer[i]);
+ noquote = 2;
+ }
+ break;
+ }
+ }
+ if (!noquote)
+ netoprintf("\"");
+ break;
+ }
+ }
+ break;
+
+#if defined(AUTHENTICATE)
+ case TELOPT_AUTHENTICATION:
+ netoprintf("AUTHENTICATION");
+
+ if (length < 2) {
+ netoprintf(" (empty suboption ? ? ?)");
+ break;
+ }
+ switch (pointer[1]) {
+ case TELQUAL_REPLY:
+ case TELQUAL_IS:
+ netoprintf(" %s ", (pointer[1] == TELQUAL_IS) ?
+ "IS" : "REPLY");
+ if (AUTHTYPE_NAME_OK(pointer[2]))
+ netoprintf("%s ", AUTHTYPE_NAME(pointer[2]));
+ else
+ netoprintf("%d ", pointer[2]);
+ if (length < 3) {
+ netoprintf("(partial suboption ? ? ?)");
+ break;
+ }
+ netoprintf("%s|%s",
+ ((pointer[3] & AUTH_WHO_MASK) == AUTH_WHO_CLIENT) ?
+ "CLIENT" : "SERVER",
+ ((pointer[3] & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) ?
+ "MUTUAL" : "ONE-WAY");
+
+ auth_printsub(&pointer[1], length - 1, buf, sizeof(buf));
+ netoprintf("%s", buf);
+ break;
+
+ case TELQUAL_SEND:
+ i = 2;
+ netoprintf(" SEND ");
+ while (i < length) {
+ if (AUTHTYPE_NAME_OK(pointer[i]))
+ netoprintf("%s ", AUTHTYPE_NAME(pointer[i]));
+ else
+ netoprintf("%d ", pointer[i]);
+ if (++i >= length) {
+ netoprintf("(partial suboption ? ? ?)");
+ break;
+ }
+ netoprintf("%s|%s ",
+ ((pointer[i] & AUTH_WHO_MASK) == AUTH_WHO_CLIENT) ?
+ "CLIENT" : "SERVER",
+ ((pointer[i] & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) ?
+ "MUTUAL" : "ONE-WAY");
+ ++i;
+ }
+ break;
+
+ case TELQUAL_NAME:
+ i = 2;
+ netoprintf(" NAME \"");
+ /*
+ * Was:
+ * while (i < length)
+ * *nfrontp += pointer[i++];
+ * *nfrontp += '"';
+ *
+ * but I'm pretty sure that's wrong...
+ */
+ while (i < length)
+ netoprintf("%c", pointer[i++]);
+ netoprintf("\"");
+ break;
+
+ default:
+ for (i = 2; i < length; i++) {
+ netoprintf(" ?%d?", pointer[i]);
+ }
+ break;
+ }
+ break;
+#endif
+
+#if defined(ENCRYPT)
+ case TELOPT_ENCRYPT:
+ netoprintf("ENCRYPT");
+ if (length < 2) {
+ netoprintf(" (empty suboption ? ? ?)");
+ break;
+ }
+ switch (pointer[1]) {
+ case ENCRYPT_START:
+ netoprintf(" START");
+ break;
+
+ case ENCRYPT_END:
+ netoprintf(" END");
+ break;
+
+ case ENCRYPT_REQSTART:
+ netoprintf(" REQUEST-START");
+ break;
+
+ case ENCRYPT_REQEND:
+ netoprintf(" REQUEST-END");
+ break;
+
+ case ENCRYPT_IS:
+ case ENCRYPT_REPLY:
+ netoprintf(" %s ", (pointer[1] == ENCRYPT_IS) ?
+ "IS" : "REPLY");
+ if (length < 3) {
+ netoprintf(" (partial suboption ? ? ?)");
+ break;
+ }
+ if (ENCTYPE_NAME_OK(pointer[2]))
+ netoprintf("%s ", ENCTYPE_NAME(pointer[2]));
+ else
+ netoprintf(" %d (unknown)", pointer[2]);
+
+ encrypt_printsub(&pointer[1], length - 1, buf, sizeof(buf));
+ netoprintf("%s", buf);
+ break;
+
+ case ENCRYPT_SUPPORT:
+ i = 2;
+ netoprintf(" SUPPORT ");
+ while (i < length) {
+ if (ENCTYPE_NAME_OK(pointer[i]))
+ netoprintf("%s ", ENCTYPE_NAME(pointer[i]));
+ else
+ netoprintf("%d ", pointer[i]);
+ i++;
+ }
+ break;
+
+ case ENCRYPT_ENC_KEYID:
+ netoprintf(" ENC_KEYID", pointer[1]);
+ goto encommon;
+
+ case ENCRYPT_DEC_KEYID:
+ netoprintf(" DEC_KEYID", pointer[1]);
+ goto encommon;
+
+ default:
+ netoprintf(" %d (unknown)", pointer[1]);
+ encommon:
+ for (i = 2; i < length; i++) {
+ netoprintf(" %d", pointer[i]);
+ }
+ break;
+ }
+ break;
+#endif
+
+ default:
+ if (TELOPT_OK(pointer[0]))
+ netoprintf("%s (unknown)", TELOPT(pointer[0]));
+ else
+ netoprintf("%d (unknown)", pointer[i]);
+ for (i = 1; i < length; i++) {
+ netoprintf(" %d", pointer[i]);
+ }
+ break;
+ }
+ netoprintf("\r\n");
+}
+
+/*
+ * Dump a data buffer in hex and ascii to the output data stream.
+ */
+void
+printdata(const char *tag, const char *ptr, int cnt)
+{
+ register int i;
+ char xbuf[30];
+
+ while (cnt) {
+ /* flush net output buffer if no room for new data) */
+ if ((&netobuf[BUFSIZ] - nfrontp) < 80) {
+ netflush();
+ }
+
+ /* add a line of output */
+ netoprintf("%s: ", tag);
+ for (i = 0; i < 20 && cnt; i++) {
+ netoprintf("%02x", *ptr);
+ if (isprint(*ptr)) {
+ xbuf[i] = *ptr;
+ } else {
+ xbuf[i] = '.';
+ }
+ if (i % 2) {
+ netoprintf(" ");
+ }
+ cnt--;
+ ptr++;
+ }
+ xbuf[i] = '\0';
+ netoprintf(" %s\r\n", xbuf );
+ }
+}
+#endif /* DIAGNOSTICS */
Index: netkit-telnet-0.17-new/telnetd
===================================================================
--- netkit-telnet-0.17-new/telnetd (nonexistent)
+++ netkit-telnet-0.17-new/telnetd (revision 5)
Property changes on: netkit-telnet-0.17-new/telnetd
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Index: netkit-telnet-0.17-new
===================================================================
--- netkit-telnet-0.17-new (nonexistent)
+++ netkit-telnet-0.17-new (revision 5)
Property changes on: netkit-telnet-0.17-new
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Index: .
===================================================================
--- . (nonexistent)
+++ . (revision 5)
Property changes on: .
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Radix cross Linux
The main Radix cross Linux repository contains the build scripts of packages, which have the most complete and common functionality for desktop machines
452 Commits
2 Branches
1 Tag