upstream: Add tests for expansions on UserKnownHostsFile.

OpenBSD-Regress-ID: bccf8060306c841bbcceb1392644f906a4d6ca51

1 files changed, 29 insertions, 10 deletions

diff --git a/regress/percent.sh b/regress/percent.sh
index cdcbe1839..f569f82c2 100644
--- a/regress/percent.sh
+++ b/regress/percent.sh
@@ -1,4 +1,4 @@
-#       $OpenBSD: percent.sh,v 1.7 2020/05/29 04:32:26 dtucker Exp $
+#       $OpenBSD: percent.sh,v 1.8 2020/07/17 03:26:58 dtucker Exp $
 #       Placed in the Public Domain.
 
 tid="percent expansions"
@@ -25,12 +25,21 @@ trial()
 
         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\"") \
@@ -55,13 +64,18 @@ trial()
 }
 
 for i in matchexec localcommand remotecommand controlpath identityagent \
-    forwardagent localforward remoteforward; do
+    forwardagent localforward remoteforward userknownhostsfile; do
         verbose $tid $i percent
-        if [ "$i" = "localcommand" ]; then
-                REMUSER=$USER
+        case "$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 $i '%T' NONE
-        else
-                REMUSER=remuser
         fi
         # Matches implementation in readconf.c:ssh_connection_hash()
         HASH=`printf "${HOSTNAME}127.0.0.1${PORT}$REMUSER" |
@@ -70,20 +84,25 @@ for i in matchexec localcommand remotecommand controlpath identityagent \
         trial $i '%C' $HASH
         trial $i '%i' $USERID
         trial $i '%h' 127.0.0.1
-        trial $i '%d' $HOME
         trial $i '%L' $HOST
         trial $i '%l' $HOSTNAME
         trial $i '%n' somehost
         trial $i '%p' $PORT
         trial $i '%r' $REMUSER
         trial $i '%u' $USER
-        trial $i '%%/%C/%i/%h/%d/%L/%l/%n/%p/%r/%u' \
-            "%/$HASH/$USERID/127.0.0.1/$HOME/$HOST/$HOSTNAME/somehost/$PORT/$REMUSER/$USER"
+        # We can't specify a full path outside the regress dir, so skip tests
+        # containing %d for UserKnownHostsFile
+        if [ "$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; do
+for i in controlpath identityagent forwardagent localforward remoteforward \
+    userknownhostsfile; do
         verbose $tid $i dollar
         FOO=bar
         export FOO