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@asarkar asarkar/csd-wrapper.sh forked from l0ki000/csd-wrapper.sh
Last active Jun 24, 2020

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Cisco Anyconnect CSD wrapper for OpenConnect macOS client
#!/bin/bash
# Enter your vpn host here
CSD_HOSTNAME=
if [[ -z ${CSD_HOSTNAME} ]]
then
echo "Define CSD_HOSTNAME with vpn-host in script text. Exiting."
exit 1
fi
HOSTSCAN_DIR="$HOME/.cisco/hostscan"
LIB_DIR="$HOSTSCAN_DIR/lib"
BIN_DIR="$HOSTSCAN_DIR/bin"
BINS=("cscan" "cstub" "cnotify")
# parsing command line
shift
URL=
TICKET=
STUB=
GROUP=
CERTHASH=
LANGSELEN=
while [ "$1" ]; do
if [ "$1" == "-ticket" ]; then shift; TICKET=$1; fi
if [ "$1" == "-stub" ]; then shift; STUB=$1; fi
if [ "$1" == "-group" ]; then shift; GROUP=$1; fi
if [ "$1" == "-certhash" ]; then shift; CERTHASH=$1; fi
if [ "$1" == "-url" ]; then shift; URL=$1; fi
if [ "$1" == "-langselen" ];then shift; LANGSELEN=$1; fi
shift
done
case `uname` in
Darwin)
ARCH="darwin_i386"
;;
linux)
ARCH=$(uname -m)
if [[ "$ARCH" == "x86_64" ]]
then
ARCH="linux_x64"
else
ARCH="linux_i386"
fi
;;
esac
# creating dirs
for dir in $HOSTSCAN_DIR $LIB_DIR $BIN_DIR ; do
if [[ ! -f $dir ]]
then
mkdir -p $dir
fi
done
# getting manifest, and checking binaries
wget --no-check-certificate -q -o /dev/null -c "https://${CSD_HOSTNAME}/CACHE/sdesktop/hostscan/$ARCH/manifest" -O "$HOSTSCAN_DIR/manifest"
case `uname` in
Darwin)
SED="sed -E";
;;
*)
SED="sed -r";
;;
esac;
# generating md5.sum with full paths from manifest
export HOSTSCAN_DIR=$HOSTSCAN_DIR
cat $HOSTSCAN_DIR/manifest | ${SED} 's/\(|\)//g' | awk '{ cmd = "find $HOSTSCAN_DIR -iname " $2; while (cmd | getline line) { print $4, line; } }' > $HOSTSCAN_DIR/md5.sum
# check number of files either
MD5_LINES=`wc -l $HOSTSCAN_DIR/md5.sum | awk '{ print $1; }'`
MANIFEST_LINES=`wc -l $HOSTSCAN_DIR/manifest | awk '{ print $1; }'`
echo "Got $MANIFEST_LINES files in manifest, locally found $MD5_LINES"
# check md5
md5sum -c $HOSTSCAN_DIR/md5.sum
if [[ "$?" -ne "0" || "$MD5_LINES" -ne "$MANIFEST_LINES" ]]
then
echo "Corrupted files, or whatever wrong with md5 sums, or missing some file"
# just download every file mentioned in manifest (not ideal, but hopefully should be enough)
FILES=( $(cat $HOSTSCAN_DIR/manifest | ${SED} 's/\(|\)//g' | awk '{ print $2; }') )
WORK_DIR=`pwd`
TMP_DIR=`mktemp -d` && cd $TMP_DIR
for i in ${FILES[@]} ; do
FILE="$(basename "$i")"
echo "Downloading: $FILE to $TMP_DIR"
wget --no-check-certificate -q -o /dev/null -c "https://${CSD_HOSTNAME}/CACHE/sdesktop/hostscan/$ARCH/$FILE" -O $FILE
# some files are in gz (don't understand logic here)
if [[ ! -f $FILE || ! -s $FILE ]]
then
# remove 0 size files
if [[ ! -s $FILE ]]; then
rm $FILE
fi
echo "Failure on $FILE, trying gz"
FILE_GZ=$FILE.gz
wget --no-check-certificate -q -o /dev/null -c "https://${CSD_HOSTNAME}/CACHE/sdesktop/hostscan/$ARCH/$FILE_GZ" -O $FILE_GZ
gunzip --verbose --decompress $FILE_GZ
fi
# don't know why, but my version of hostscan requires tables to be stored in libs
echo $FILE | grep --extended-regexp --quiet --invert-match ".so|tables.dat"
IS_LIB=$?
if [[ "$IS_LIB" -eq "1" ]]
then
cp -v $FILE $LIB_DIR
else
cp -v $FILE $BIN_DIR
fi
done
for i in ${BINS[@]} ; do
echo "Setting excecution bit on: $BIN_DIR/$i"
chmod u+x $BIN_DIR/$i
done
cd $WORK_DIR
rm -rf $TMP_DIR
fi
# cstub doesn't care about logging options, sic!
#ARGS="-log debug -ticket $TICKET -stub $STUB -group $GROUP -host $URL -certhash $CERTHASH"
ARGS="-log error -ticket $TICKET -stub $STUB -group $GROUP -host $URL -certhash $CERTHASH"
echo "Launching: $BIN_DIR/cstub $ARGS"
$BIN_DIR/cstub $ARGS
@FollowMeDown

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FollowMeDown commented Dec 25, 2019

Please explain this wrapper! Propose?

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