mirror of
https://git.savannah.gnu.org/git/inetutils.git
synced 2026-01-12 00:19:39 +08:00
172 lines
4.1 KiB
Bash
Executable File
172 lines
4.1 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (C) 2013 Free Software Foundation, Inc.
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#
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# This file is part of GNU Inetutils.
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#
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# GNU Inetutils is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or (at
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# your option) any later version.
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#
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# GNU Inetutils is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see `http://www.gnu.org/licenses/'.
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# Test to establish functionality of inetd.
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# An important part is to run in daemon mode
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# and to send SIGHUP repeatedly.
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#
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# Written by Mats Erik Andersson.
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. ./tools.sh
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if test -z "${VERBOSE+set}"; then
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silence=:
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fi
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# Portability fix for SVR4
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PWD="${PWD:-`pwd`}"
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USER=${USER:-`func_id_user`}
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# Prerequisites
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#
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$need_mktemp || exit_no_mktemp
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# Execution control. Initialise early!
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#
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do_cleandir=false
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# Executable under test and helper functionality.
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#
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INETD=${INETD:-../src/inetd$EXEEXT}
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TELNET=${TELNET:-../telnet/telnet$EXEEXT}
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ADDRPEEK=${ADDRPEEK:-$PWD/addrpeek$EXEEXT}
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if test ! -x $ADDRPEEK; then
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echo >&2 "No executable '$ADDRPEEK' present. Skipping test."
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exit 77
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fi
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if [ ! -x $INETD ]; then
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echo "Missing executable '$INETD'. Skipping test." >&2
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exit 77
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fi
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if [ ! -x $TELNET ]; then
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echo "Missing executable '$TELNET'. Skipping test." >&2
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exit 77
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fi
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if test -n "$VERBOSE"; then
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set -x
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$INETD --version | $SED '1q'
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fi
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# The use of telnet is portable only with a connected TTY.
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if tty >/dev/null; then
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:
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else
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echo >&2 'No TTY is assigned to this process. Skipping test.'
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exit 77
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fi
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# For file creation below IU_TESTDIR.
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umask 0077
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# Keep any external assignment of testing directory.
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# Otherwise a randomisation is included.
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#
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: ${IU_TESTDIR:=$PWD/iu_inetd.XXXXXX}
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if [ ! -d "$IU_TESTDIR" ]; then
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do_cleandir=true
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IU_TESTDIR="`$MKTEMP -d "$IU_TESTDIR" 2>/dev/null`" ||
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{
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echo 'Failed at creating test directory. Aborting.' >&2
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exit 77
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}
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elif expr X"$IU_TESTDIR" : X"\.\{1,2\}/\{0,1\}$" >/dev/null; then
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# Eliminating directories: . ./ .. ../
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echo 'Dangerous input for test directory. Aborting.' >&2
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exit 77
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fi
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# The INETD daemon uses two files in the present test.
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#
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CONF="$IU_TESTDIR"/inetd.conf
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PID="$IU_TESTDIR"/inetd.pid
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# Are we able to write in IU_TESTDIR?
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# This could happen with preset IU_TESTDIR.
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#
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touch "$CONF" || {
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echo 'No write access in test directory. Aborting.' >&2
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exit 1
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}
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# Erase the temporary directory.
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#
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clean_testdir () {
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if test -f "$PID" && kill -0 "`cat "$PID"`" >/dev/null 2>&1; then
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kill "`cat "$PID"`" || kill -9 "`cat "$PID"`"
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fi
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if test -z "${NOCLEAN+no}" && $do_cleandir; then
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rm -r -f "$IU_TESTDIR"
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fi
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}
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# Write a fresh configuration file. Port is input parameter.
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write_conf () {
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# First argument is port number. Node is fixed as localhost.
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echo "127.0.0.1:$1 stream tcp4 nowait $USER $ADDRPEEK addrpeek addr" \
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> $CONF
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}
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errno=0
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PORT=`expr 12347 + ${RANDOM:-$$} % 521`
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write_conf $PORT
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# The daemon is launched only once.
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#
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$INETD -p$PID $CONF
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# Allow for the service to settle.
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sleep 2
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if test ! -f $PID; then
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echo >&2 "Inetd never started: missing the PID-file."
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errno=1
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else
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# Repeated SIGHUP testing, with modified port.
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for nn in 1 2 3 4 5; do
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# Check for response at chosen port.
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$TELNET -c -E -K -4 localhost $PORT 2>/dev/null |
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grep 'Your address is 127.0.0.1.' >/dev/null 2>&1 || errno=1
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test $errno -eq 0 ||
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{ echo >&2 "Repetition $nn failed."; break; }
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# Update with new port for next round.
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PORT=`expr $PORT + 1 + ${RANDOM:-$$} % 521`
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write_conf $PORT
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kill -HUP `cat $PID`
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# Allow for the service to settle.
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sleep 1
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done
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$silence echo "Passed `expr $nn - 1` SIGHUP rounds."
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fi
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test $errno -ne 0 || $silence echo 'Successful testing.'
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clean_testdir
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exit $errno
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