CedarLUG
9 years ago
4 changed files with 172 additions and 2 deletions
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#!/bin/bash -x |
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# LGSM command_postdetails.sh function |
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# Author: CedarLUG |
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# Contributor: CedarLUG |
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# Website: https://gameservermanagers.com |
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# Description: Strips sensitive information out of Details output |
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local commandname="POSTDETAILS" |
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local commandaction="Postdetails" |
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local function_selfname="$(basename $(readlink -f "${BASH_SOURCE[0]}"))" |
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# POSTDETAILS variable affects the output of command_details.sh. Setting |
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# it here silences the output from sourcing command_details.sh. |
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POSTDETAILS=yes |
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# Set POSTTARGET to the appropriately-defined post destination. The present |
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# option is only pastebin, but hastebin is on the todo list (and should be |
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# a lot easier than pastebin. |
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# |
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# Another reason for an alternative here is that pastebin limits guest |
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# posts to 10 per day, which might be a tight limit for some debugging situations. |
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POSTTARGET="http://pastebin.com" |
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POSTEXPIRE="1W" # use 1 week as the default, other options are '24h' for a day, etc. |
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# This file sources the command_details.sh file to leverage all |
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# of the already-defined functions. To keep the command_details.sh |
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# from actually producing output, the main executable statements have |
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# been wrapped in the equivalent of an ifdef clause, that looks |
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# for the variable "postdetails" to be defined. -CedarLUG |
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# source all of the functions defined in the details command |
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. ${functionsdir}/command_details.sh |
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fn_bad_tmpfile() { |
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echo "There was a problem creating a temporary file ${tmpfile}." |
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core_exit.sh |
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} |
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fn_gen_rand() { |
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# This is just a simple random generator to generate a random |
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# name for storing the output. Named pipes would (possibly) be |
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# better. -CedarLUG |
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# |
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# len holds the number of digits in our random string |
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local len=$1 |
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# If not specified, default to 10. |
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: {len:=10} |
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# Quick generator for a random filename, pulled from /dev/urandom |
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tr -dc A-Za-z0-9_ < /dev/urandom | head -c ${len} | xargs |
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} |
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# Rather than a one-pass sed parser, default to using a temporary directory |
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filedir="${lgsmdir}/tmp" |
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# Not all game servers possess a tmp directory. So create it if |
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# it doesn't already exist |
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mkdir -p ${filedir} 2>&1 >/dev/null |
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tmpfile=${filedir}/$(fn_gen_rand 10).tmp |
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touch ${tmpfile} || fn_bad_tmpfile |
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# fn_display_details is found in the command_details.sh file (which |
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# was sourced above. The output is parsed for passwords and other |
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# confidential information. -CedarLUG |
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# The numerous sed lines could certainly be condensed quite a bit, |
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# but they are separated out to provide examples for how to add |
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# additional criteria in a straight-forward manner. |
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# (This was originally a sed one-liner.) -CedarLUG |
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fn_display_details | sed -e 's/password="[^"]*/password="--stripped--/' | |
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sed -e 's/password "[^"]*/password "--stripped--/' | |
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sed -e 's/password: .*/password: --stripped--/' | |
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sed -e 's/gslt="[^"]*/gslt="--stripped--/' | |
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sed -e 's/gslt "[^"]*/gslt "--stripped--/' | |
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sed -e 's/pushbullettoken="[^"]*/pushbullettoken="--stripped--/' | |
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sed -e 's/pushbullettoken "[^"]*/pushbullettoken "--stripped--/' | |
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sed -e 's/authkey="[^"]*/authkey="--stripped--/' | |
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sed -e 's/authkey "[^"]*/authkey "--stripped--/' | |
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sed -e 's/authkey [A-Za-z0-9]\+/authkey --stripped--/' | |
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sed -e 's/rcts_strAdminPassword="[^"]*/rcts_strAdminPassword="--stripped--/' | |
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sed -e 's/rcts_strAdminPassword "[^"]*/rcts_strAdminPassword "--stripped--/' | |
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sed -e 's/sv_setsteamaccount [A-Za-z0-9]\+/sv_setsteamaccount --stripped--/' | |
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sed -e 's/sv_password="[^"]*/sv_password="--stripped--/' | |
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sed -e 's/sv_password "[^"]*/sv_password "--stripped--/' | |
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sed -e 's/zmq_stats_password="[^"]*/zmq_stats_password="--stripped--/' | |
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sed -e 's/zmq_stats_password "[^"]*/zmq_stats_password "--stripped--/' | |
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sed -e 's/zmq_rcon_password="[^"]*/zmq_rcon_password="--stripped--/' | |
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sed -e 's/zmq_rcon_password "[^"]*/zmq_rcon_password "--stripped--/' | |
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sed -e 's/pass="[^"]*/pass="--stripped--/' | |
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sed -e 's/pass "[^"]*/pass "--stripped--/' | |
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sed -e 's/rconServerPassword="[^"]*/rconServerPassword="--stripped--/' | |
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sed -e 's/rconServerPassword "[^"]*/rconServerPassword "--stripped--/' > ${tmpfile} |
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# strip off all console escape codes (colorization) |
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sed -i -r "s/[\x1B,\x0B]\[([0-9]{1,2}(;[0-9]{1,2})?)?[mGK]//g" ${tmpfile} |
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# If the gameserver uses anonymous steam credentials, leave them displayed |
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# in the output. Otherwise, strip these out as well. |
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if ! grep -q "^steampass[= ]\"\"" ${tmpfile} ; then |
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sed -i -e 's/steampass[= ]"[^"]*/steampass "--stripped--/' ${tmpfile} |
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fi |
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if ! grep -q "^steamuser[= ]\"anonymous\"" ${tmpfile} ; then |
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sed -i -e 's/steamuser[= ]"[^"]*/steamuser "--stripped--/' ${tmpfile} |
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fi |
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if [ "$POSTTARGET" == "http://pastebin.com" ] ; then |
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# grab the return from 'value' from an initial visit to pastebin. |
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TOKEN=$(curl -s $POSTTARGET | |
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sed -n 's/^.*input type="hidden" name="csrf_token_post" value="\(.*\)".*$/\1/p') |
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# |
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# Use the TOKEN to then post the content. |
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# |
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link=$(curl -s "$POSTTARGET/post.php" -D - -F "submit_hidden=submit_hidden" \ |
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-F "post_key=$TOKEN" -F "paste_expire_date=${POSTEXPIRE}" \ |
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-F "paste_name=${gamename} Debug Info" \ |
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-F "paste_format=8" -F "paste_private=0" \ |
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-F "paste_type=bash" -F "paste_code=<${tmpfile}" | |
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awk '/^location: / { print $2 }' | sed "s/\n//g") |
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# Output the resulting link. |
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fn_print_warn_nl "You now need to visit (and verify) the content posted at ${POSTTARGET}${link}" |
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elif [ "$POSTTARGET" == "http://hastebin.com" ] ; then |
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# hastebin is a bit simpler. If successful, the returned result |
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# should look like: {"something":"key"}, putting the reference that |
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# we need in "key". TODO - error handling. -CedarLUG |
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link=$(curl -s -d "$(<${tmpfile}) | cut -d\" -f4) |
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fn_print_warn_nl "You now need to visit (and verify) the content posted at ${POSTTARGET}${link}" |
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fi |
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# cleanup |
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rm ${tmpfile} || /bin/true |
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core_exit.sh |
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