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# $OpenBSD: percent.sh,v 1.9 2020/07/17 07:10:24 dtucker Exp $
# Placed in the Public Domain.
tid="percent expansions"
if [ -x "/usr/xpg4/bin/id" ]; then
PATH=/usr/xpg4/bin:$PATH
export PATH
fi
USER=`id -u -n`
USERID=`id -u`
HOST=`hostname | cut -f1 -d.`
HOSTNAME=`hostname`
# Localcommand is evaluated after connection because %T is not available
# until then. Because of this we use a different method of exercising it,
# and we can't override the remote user otherwise authentication will fail.
# We also have to explicitly enable it.
echo "permitlocalcommand yes" >> $OBJ/ssh_proxy
trial()
{
opt="$1"; arg="$2"; expect="$3"
trace "test $opt=$arg $expect"
rm -f $OBJ/actual
got=""
case "$opt" in
localcommand)
${SSH} -F $OBJ/ssh_proxy -o $opt="echo '$arg' >$OBJ/actual" \
somehost true
got=`cat $OBJ/actual`
;;
userknownhostsfile)
# Move the userknownhosts file to what the expansion says,
# make sure ssh works then put it back.
mv "$OBJ/known_hosts" "$OBJ/$expect"
${SSH} -F $OBJ/ssh_proxy -o $opt="$OBJ/$arg" somehost true && \
got="$expect"
mv "$OBJ/$expect" "$OBJ/known_hosts"
;;
matchexec)
(cat $OBJ/ssh_proxy && \
echo "Match Exec \"echo '$arg' >$OBJ/actual\"") \
>$OBJ/ssh_proxy_match
${SSH} -F $OBJ/ssh_proxy_match remuser@somehost true || true
got=`cat $OBJ/actual`
;;
*forward)
# LocalForward and RemoteForward take two args and only
# operate on Unix domain socket paths
got=`${SSH} -F $OBJ/ssh_proxy -o $opt="/$arg /$arg" -G \
remuser@somehost | awk '$1=="'$opt'"{print $2" "$3}'`
expect="/$expect /$expect"
;;
*)
got=`${SSH} -F $OBJ/ssh_proxy -o $opt="$arg" -G \
remuser@somehost | awk '$1=="'$opt'"{print $2}'`
esac
if [ "$got" != "$expect" ]; then
fail "$opt=$arg expect $expect got $got"
fi
}
for i in matchexec localcommand remotecommand controlpath identityagent \
forwardagent localforward remoteforward userknownhostsfile; do
verbose $tid $i percent
case "$i" in
localcommand|userknownhostsfile)
# Any test that's going to actually make a connection needs
# to use the real username.
REMUSER=$USER ;;
*)
REMUSER=remuser ;;
esac
if [ "$i" = "$localcommand" ]; then
trial $i '%T' NONE
fi
# Matches implementation in readconf.c:ssh_connection_hash()
HASH=`printf "${HOSTNAME}127.0.0.1${PORT}$REMUSER" |
openssl sha1 | cut -f2 -d' '`
trial $i '%%' '%'
trial $i '%C' $HASH
trial $i '%i' $USERID
trial $i '%h' 127.0.0.1
trial $i '%L' $HOST
trial $i '%l' $HOSTNAME
trial $i '%n' somehost
trial $i '%k' localhost-with-alias
trial $i '%p' $PORT
trial $i '%r' $REMUSER
trial $i '%u' $USER
# We can't specify a full path outside the regress dir, so skip tests
# containing %d for UserKnownHostsFile
if [ "$i" != "userknownhostsfile" ]; then
trial $i '%d' $HOME
trial $i '%%/%C/%i/%h/%d/%L/%l/%n/%p/%r/%u' \
"%/$HASH/$USERID/127.0.0.1/$HOME/$HOST/$HOSTNAME/somehost/$PORT/$REMUSER/$USER"
fi
done
# Subset of above since we don't expand shell-style variables on anything that
# runs a command because the shell will expand those.
for i in controlpath identityagent forwardagent localforward remoteforward \
userknownhostsfile; do
verbose $tid $i dollar
FOO=bar
export FOO
trial $i '${FOO}' $FOO
done
# A subset of options support tilde expansion
for i in controlpath identityagent forwardagent; do
verbose $tid $i tilde
trial $i '~' $HOME/
trial $i '~/.ssh' $HOME/.ssh
done
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