[email protected]
5e385a71ef
out uname -n doesn't do what we need for some platforms in portable, so we'll fix the original problem (that some other platforms don't have hostname at all) by providing wrapper function to implement it. OpenBSD-Regress-ID: 827a707d6201d5a8e196a8c28aec1d2c76c52341
120 lines
3.4 KiB
Bash
120 lines
3.4 KiB
Bash
# $OpenBSD: percent.sh,v 1.11 2021/02/05 22:03:40 dtucker Exp $
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# Placed in the Public Domain.
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tid="percent expansions"
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if [ -x "/usr/xpg4/bin/id" ]; then
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PATH=/usr/xpg4/bin:$PATH
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export PATH
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fi
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USER=`id -u -n`
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USERID=`id -u`
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HOST=`hostname | cut -f1 -d.`
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HOSTNAME=`hostname`
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# Localcommand is evaluated after connection because %T is not available
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# until then. Because of this we use a different method of exercising it,
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# and we can't override the remote user otherwise authentication will fail.
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# We also have to explicitly enable it.
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echo "permitlocalcommand yes" >> $OBJ/ssh_proxy
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trial()
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{
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opt="$1"; arg="$2"; expect="$3"
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trace "test $opt=$arg $expect"
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rm -f $OBJ/actual
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got=""
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case "$opt" in
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localcommand)
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${SSH} -F $OBJ/ssh_proxy -o $opt="echo '$arg' >$OBJ/actual" \
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somehost true
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got=`cat $OBJ/actual`
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;;
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userknownhostsfile)
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# Move the userknownhosts file to what the expansion says,
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# make sure ssh works then put it back.
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mv "$OBJ/known_hosts" "$OBJ/$expect"
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${SSH} -F $OBJ/ssh_proxy -o $opt="$OBJ/$arg" somehost true && \
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got="$expect"
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mv "$OBJ/$expect" "$OBJ/known_hosts"
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;;
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matchexec)
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(cat $OBJ/ssh_proxy && \
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echo "Match Exec \"echo '$arg' >$OBJ/actual\"") \
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>$OBJ/ssh_proxy_match
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${SSH} -F $OBJ/ssh_proxy_match remuser@somehost true || true
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got=`cat $OBJ/actual`
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;;
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*forward)
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# LocalForward and RemoteForward take two args and only
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# operate on Unix domain socket paths
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got=`${SSH} -F $OBJ/ssh_proxy -o $opt="/$arg /$arg" -G \
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remuser@somehost | awk '$1=="'$opt'"{print $2" "$3}'`
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expect="/$expect /$expect"
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;;
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*)
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got=`${SSH} -F $OBJ/ssh_proxy -o $opt="$arg" -G \
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remuser@somehost | awk '$1=="'$opt'"{print $2}'`
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esac
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if [ "$got" != "$expect" ]; then
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fail "$opt=$arg expect $expect got $got"
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fi
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}
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for i in matchexec localcommand remotecommand controlpath identityagent \
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forwardagent localforward remoteforward userknownhostsfile; do
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verbose $tid $i percent
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case "$i" in
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localcommand|userknownhostsfile)
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# Any test that's going to actually make a connection needs
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# to use the real username.
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REMUSER=$USER ;;
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*)
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REMUSER=remuser ;;
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esac
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if [ "$i" = "$localcommand" ]; then
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trial $i '%T' NONE
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fi
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# Matches implementation in readconf.c:ssh_connection_hash()
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HASH=`printf "${HOSTNAME}127.0.0.1${PORT}$REMUSER" |
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openssl sha1 | cut -f2 -d' '`
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trial $i '%%' '%'
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trial $i '%C' $HASH
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trial $i '%i' $USERID
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trial $i '%h' 127.0.0.1
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trial $i '%L' $HOST
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trial $i '%l' $HOSTNAME
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trial $i '%n' somehost
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trial $i '%k' localhost-with-alias
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trial $i '%p' $PORT
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trial $i '%r' $REMUSER
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trial $i '%u' $USER
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# We can't specify a full path outside the regress dir, so skip tests
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# containing %d for UserKnownHostsFile
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if [ "$i" != "userknownhostsfile" ]; then
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trial $i '%d' $HOME
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trial $i '%%/%C/%i/%h/%d/%L/%l/%n/%p/%r/%u' \
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"%/$HASH/$USERID/127.0.0.1/$HOME/$HOST/$HOSTNAME/somehost/$PORT/$REMUSER/$USER"
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fi
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done
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# Subset of above since we don't expand shell-style variables on anything that
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# runs a command because the shell will expand those.
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for i in controlpath identityagent forwardagent localforward remoteforward \
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userknownhostsfile; do
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verbose $tid $i dollar
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FOO=bar
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export FOO
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trial $i '${FOO}' $FOO
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done
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# A subset of options support tilde expansion
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for i in controlpath identityagent forwardagent; do
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verbose $tid $i tilde
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trial $i '~' $HOME/
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trial $i '~/.ssh' $HOME/.ssh
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done
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