moth/packages/mcp/bin/addteam

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#! /bin/sh -e
if [ $# -ne 1 ]; then
echo "Usage: $0 TEAM" 1>&2
exit 64
fi
escape () {
sed 's/&/\&amp;/g;s/</\&lt;/g;s/>/\&gt;/g'
}
# Don't overwrite files
set -C
base=${CTF_BASE:-/var/lib/ctf}
www=${CTF_BASE:-/var/www}
if which backup-team >/dev/null 2>&1 ; then
if [ ! -e $base/pass ]; then
echo "\nYou should consider running backup-pass or new-contest."
echo "DBTL Altocumulus™ backup system will not work without it.\n"
fi
fi
mkdir -p $base/teams/names
mkdir -p $base/teams/colors
[ -f $base/teams/salt ] || dd if=/dev/urandom count=1 2>/dev/null | md5sum | cut -b 1-8 > $base/teams/salt
salt=$(cat $base/teams/salt)
# Assign a color. I spent weeks selecting a color pallette that
# wouldn't be hell on people with protanopia. Please don't change these
# colors.
nteams=$(ls $base/teams/names/ | wc -l)
case $(expr $nteams % 10) in
0) color=a6cee3;;
1) color=1f78b4;;
2) color=b2df8a;;
3) color=33a02c;;
4) color=fb9a99;;
5) color=e31a1c;;
6) color=fdbf6f;;
7) color=ff7f00;;
8) color=cab2d6;;
9) color=6a3d9a;;
*)
echo 'ERROR ERROR' 1>&2
echo 'DOES NOT COMPUTE' 1>&2
exit 69
;;
esac
# Compute hash of team name; they'll use this for everything in the
# contest instead of their team name, which makes stuff much easier on
# me since all team hashes are in the set /[0-9a-f]{8}/.
hash=$(printf "%s:%s" $salt "$1" | md5sum | cut -b 1-8)
echo "$1" > $base/teams/names/$hash
echo "$color" > $base/teams/colors/$hash
echo "Registered with hash: $hash"