Merging upstream version 1:9.7p1.debian/1%9.7p1-1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 37 insertions, 14 deletions

diff --git a/regress/putty-ciphers.sh b/regress/putty-ciphers.sh
index 5b8e25a..30f6461 100644
--- a/regress/putty-ciphers.sh
+++ b/regress/putty-ciphers.sh
@@ -1,24 +1,47 @@
-#	$OpenBSD: putty-ciphers.sh,v 1.11 2021/09/01 03:16:06 dtucker Exp $
+#	$OpenBSD: putty-ciphers.sh,v 1.13 2024/02/09 08:56:59 dtucker Exp $
 #	Placed in the Public Domain.
 
 tid="putty ciphers"
 
-if test "x$REGRESS_INTEROP_PUTTY" != "xyes" ; then
-	skip "putty interop tests not enabled"
-fi
+puttysetup
 
-# Re-enable ssh-rsa on older PuTTY versions.
-oldver="`${PLINK} --version | awk '/plink: Release/{if ($3<0.76)print "yes"}'`"
-if [ "x$oldver" = "xyes" ]; then
-	echo "HostKeyAlgorithms +ssh-rsa" >> ${OBJ}/sshd_proxy
-	echo "PubkeyAcceptedKeyTypes +ssh-rsa" >> ${OBJ}/sshd_proxy
-fi
+cp ${OBJ}/sshd_proxy ${OBJ}/sshd_proxy_bak
 
-for c in aes 3des aes128-ctr aes192-ctr aes256-ctr chacha20 ; do
-	verbose "$tid: cipher $c"
+# Since there doesn't seem to be a way to set MACs on the PuTTY client side,
+# we force each in turn on the server side, omitting the ones PuTTY doesn't
+# support.  Grepping the binary is pretty janky, but AFAIK there's no way to
+# query for supported algos.
+macs=""
+for m in `${SSH} -Q MACs`; do
+	if strings "${PLINK}" | grep -E "^${m}$" >/dev/null; then
+		macs="${macs} ${m}"
+	else
+		trace "omitting unsupported MAC ${m}"
+	fi
+done
+
+ciphers=""
+for c in `${SSH} -Q Ciphers`; do
+	if strings "${PLINK}" | grep -E "^${c}$" >/dev/null; then
+		ciphers="${ciphers} ${c}"
+	else
+		trace "omitting unsupported cipher ${c}"
+	fi
+done
+
+for c in default $ciphers; do
+    for m in default ${macs}; do
+	verbose "$tid: cipher $c mac $m"
 	cp ${OBJ}/.putty/sessions/localhost_proxy \
 	    ${OBJ}/.putty/sessions/cipher_$c
-	echo "Cipher=$c" >> ${OBJ}/.putty/sessions/cipher_$c
+	if [ "${c}" != "default" ]; then
+		echo "Cipher=$c" >> ${OBJ}/.putty/sessions/cipher_$c
+	fi
+
+	cp ${OBJ}/sshd_proxy_bak ${OBJ}/sshd_proxy
+	if [ "${m}" != "default" ]; then
+		echo "MACs $m" >> ${OBJ}/sshd_proxy
+	fi
 
 	rm -f ${COPY}
 	env HOME=$PWD ${PLINK} -load cipher_$c -batch -i ${OBJ}/putty.rsa2 \
@@ -27,6 +50,6 @@ for c in aes 3des aes128-ctr aes192-ctr aes256-ctr chacha20 ; do
 		fail "ssh cat $DATA failed"
 	fi
 	cmp ${DATA} ${COPY}		|| fail "corrupted copy"
+    done
 done
 rm -f ${COPY}
-