zeek/testing/external/scripts/update-traces
Daniel Thayer 3584495562 Fix information leak in the update-traces script
For trace files that require authentication to download, hide
part of the URL in output messages.  This avoids leaking potentially
sensitive info when running tests using a continuous integration
service.
2018-03-21 15:24:29 -05:00

84 lines
1.7 KiB
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#! /usr/bin/env bash
#
# Downloads all traces as specified in <cwd>/traces.cfg to directory $1.
#
# traces.cfg must consist of lines of the form "<url> [<http-user>[:<http-password>]]"
if [ "$1" == "" ]; then
echo "usage: `basename $0` <traces-directory>"
exit 1
fi
if [ ! -e $cfg ]; then
echo "No $cfg found."
exit 1
fi
cfg=traces.cfg
for p in .proxy ../.proxy; do
if [ -e $p ]; then
proxy=`cat $p | head -1 | awk '{print $1}'`
echo Using proxy $proxy ...
proxy="ALL_PROXY=$proxy"
break
fi
done
mkdir -p $1
cat $cfg | while read line; do
if echo $line | grep -q '^[ \t]*$'; then
continue
fi
if echo $line | grep -q '^[ \t]*#'; then
continue
fi
url=`echo $line | awk '{print $1}'`
auth=`echo $line | awk '{print $2}'`
file=$1/`echo $url | sed 's#^.*/##g'`
fp=$file.md5sum
if [ "$auth" != "" ]; then
auth="-u $auth"
# Hide the hostname and directory names in output messages
safe_url=`echo $url | sed 's#/[A-Za-z].*/#/[hidden]/#'`
else
safe_url=$url
fi
# Get the fingerprint file.
if ! eval "$proxy curl $auth -fsS --anyauth $url.md5sum -o $fp.tmp"; then
echo "Error: Could not get $safe_url.md5sum, skipping download."
continue
fi
download=0
if [ -e $fp ]; then
if ! cmp -s $fp $fp.tmp; then
download=1
fi
else
download=1
fi
if [ "$download" = "1" ]; then
echo Getting $safe_url ...
echo
eval "$proxy curl $auth -f --anyauth $url -o $file"
echo
mv $fp.tmp $fp
#else
# echo "`basename $file` already available."
fi
rm -f $fp.tmp
done