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[/] [openrisc/] [trunk/] [gnu-stable/] [find-linuxes.sh] - Blame information for rev 857

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Line No. Rev Author Line
1 548 jeremybenn
#!/bin/bash
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# Copyright (C) 2011 Embecosm Limited
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# Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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# This file is a script to start up a group of Linux instances
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the Free
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# Software Foundation; either version 3 of the License, or (at your option)
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# any later version.
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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# more details.
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# You should have received a copy of the GNU General Public License along
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# with this program.  If not, see <http://www.gnu.org/licenses/>.
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# ------------------------------------------------------------------------------
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# See if telnet or ftp is working
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# We call the program with a sequence
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# command (telnet or ftp)
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# wait for prompt ("telnet> "or "ftp> ")
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# send open <ip address>
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# wait for prompt ("login: " or "Name (<ip address>:<user>): ")
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# send root
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# wait for prompt ("# " or "ftp> ")
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# send exit
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# wait for closing message ("Connection closed by foreign host." or
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#                           "221 Operation successful")
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# @param[in] $1  The command to use (ftp or telnet)
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# @param[in] $2  The IP address
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# @param[in] $3  The connection prompt (regular expression)
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# @param[in] $4  The operational prompt (regular expression)
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# @param[in] $5  The closing message (regular expression)
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# @return  0 on success, non-zero otherwise.
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function check_remote_command {
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    command=$1
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    ip=$2
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    conn_prompt=$3
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    op_prompt=$4
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    close_mess=$5
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    expect -f - <<EOF > /dev/null 2>&1
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    spawn "${command}"
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    set timeout 30
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    expect {
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        "${command}> " {}
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        timeout    {exit 1}
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    }
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    send "open ${ip}\n"
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    expect {
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        -re "${conn_prompt}" {}
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        timeout   {exit 2}
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    }
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    send "root\n"
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    expect {
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        -re "${op_prompt}" {}
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        timeout   {exit 3}
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    }
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    send "exit\n"
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    expect {
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        -re "${close_mess}" {exit 0}
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        timeout {exit 4}
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    }
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EOF
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    return $?
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}
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# See if telnet is working.
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# We call check_remote_command with appropriate arguments
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# @param[in] $1  The IP address
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# @return  0 on success, non-zero otherwise.
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function check_telnet {
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    check_remote_command telnet $1 "^.* login: " "^.*# " \
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        "Connection closed by foreign host."
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    return $?
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}
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# See if FTP is working.
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# We call check_remote_command with appropriate arguments
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# @param[in] $1  The IP address
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# @return  0 on success, non-zero otherwise.
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function check_ftp {
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    check_remote_command ftp $1 "Name \\\($1:.*\\\): " "ftp> " \
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        "221 Operation successful"
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    return $?
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}
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# See if telnet and FTP are working.
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# We combine calls to check_telnet and check_ftp. Note that we do check both,
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# even though we really only need to check one for failure. However in the
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# future the additional information may be useful.
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# @param[in] $1  The IP address
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# @return  0 on success, non-zero (10 x telnet failure + ftp failure)
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#          otherwise.
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function check_telnet_ftp {
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    check_telnet $1
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    res_telnet=$?
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    check_ftp $1
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    res_ftp=$?
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    return $(( $res_telnet * 10 + $res_ftp ))
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}
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# IP list excluding all known IPs
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ip_list="192.168.0.2-39,41-59,61-79,82-127,129,130,133-255"
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ip_file=`dirname ${DEJAGNU}`/ip-avail.txt
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tmp_file=/tmp/find-linuxes-$$
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# Keep using nmap until we get the same number of IP addresses twice running.
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nmap -sP -n ${ip_list} | \
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    sed -n -e 's/Nmap scan report for //p' | \
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    sort > ${ip_file}
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len1=`wc -l ${ip_file} | cut -d " " -f 1`
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nmap -sP -n ${ip_list} | \
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    sed -n -e 's/Nmap scan report for //p' | \
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    sort > ${ip_file}
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len2=`wc -l ${ip_file} | cut -d " " -f 1`
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while [ ${len1} -ne ${len2} ]
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do
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    len1=${len2}
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    nmap -sP -n ${ip_list} | \
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        sed -n -e 's/Nmap scan report for //p' | \
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        sort > ${ip_file}
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    len2=`wc -l ${ip_file} | cut -d " " -f 1`
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done
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# If we have a -c flag, check that the targets respond to telnet and ftp
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if [ $# > 0 -a "x$1" == "x-c" ]
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then
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    mv ${ip_file} ${tmp_file}
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    touch ${ip_file}
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    len=`wc -l ${tmp_file} | cut -d " " -f 1`
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    while [ ${len} -gt 0 ]
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    do
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        # Get each IP address in turn
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        ip=`tail -${len} ${tmp_file} | head -1`
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        len=$(( ${len} - 1 ))
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        check_telnet_ftp ${ip}
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        res=$?
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        if [ ${res} -eq 0 ]
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        then
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            echo ${ip} >> ${ip_file}
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        else
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            echo "${ip} failed to respond to telnet/FTP: result ${res}"
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        fi
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    done
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    rm ${tmp_file}
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fi
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# Print the results
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cat ${ip_file}

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