2011-03-08 23:06:21 -07:00
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#! /bin/sh -e
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2013-06-07 21:05:26 -06:00
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# Change to CTF_BASE
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cd ${CTF_BASE:-.}
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for i in $(seq 5); do
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[ -d packages ] && break
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cd ..
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done
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if ! [ -d packages ]; then
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cat <<EOF
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Content-type: text/html
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Cannot find CTF_BASE
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EOF
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exit 1
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fi
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# Read CGI parameters
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2013-02-04 22:34:45 -07:00
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param () {
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ret=$(echo "$QUERY_STRING" | tr '=&' ' \n' | awk -v "k=$1" '($1==k) {print $2;}')
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ret=$(busybox httpd -d "$ret" || echo "$ret")
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2013-02-05 23:03:10 -07:00
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echo "$ret"
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2013-02-04 22:34:45 -07:00
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}
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team=$(param n)
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hash=$(param h | tr -dc 0-9a-f)
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2011-03-08 23:06:21 -07:00
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cat <<EOF
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Content-type: text/html
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<!DOCTYPE html>
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<html>
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<head>
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<title>Team Registration</title>
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<link rel="stylesheet" href="ctf.css" type="text/css">
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</head>
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<body>
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<h1>Team Registration</h1>
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EOF
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2013-02-05 23:07:35 -07:00
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if [ -z "$hash" ] || [ -z "$team" ]; then
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echo "<p>Empty field, cannot complete request</p>"
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2013-07-10 22:22:12 -06:00
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elif ! grep -q "^$hash$" state/teams/assigned.txt; then
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2013-02-05 23:06:45 -07:00
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echo "<p>That hash has not been assigned.</p>"
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2013-07-10 22:22:12 -06:00
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elif [ -f state/teams/names/$hash ]; then
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2013-02-05 23:06:45 -07:00
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echo "<p>That hash has already been registered.</p>"
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2011-03-08 23:06:21 -07:00
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else
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2013-07-10 22:22:12 -06:00
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printf "%s" "$team" > state/teams/names/$hash
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2013-02-05 23:06:45 -07:00
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echo "<p>Okay, your team has been named and you may begin using your hash!</p>"
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2011-03-08 23:06:21 -07:00
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fi
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2013-02-04 22:34:45 -07:00
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2011-03-08 23:06:21 -07:00
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cat <<EOF
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</body>
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</html>
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EOF
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