mirror of
git://anongit.mindrot.org/openssh.git
synced 2024-12-24 02:42:25 +00:00
a1dcafc41c
searching for and hashing known_hosts entries in a single operation (ssh-keygen -HF ...) Patch from Anton Kremenetsky OpenBSD-Regress-ID: 519585a4de35c4611285bd6a7272766c229b19dd
221 lines
6.4 KiB
Bash
221 lines
6.4 KiB
Bash
# $OpenBSD: keygen-knownhosts.sh,v 1.4 2018/06/01 03:52:37 djm Exp $
|
|
# Placed in the Public Domain.
|
|
|
|
tid="ssh-keygen known_hosts"
|
|
|
|
rm -f $OBJ/kh.*
|
|
|
|
# Generate some keys for testing (just ed25519 for speed) and make a hosts file.
|
|
for x in host-a host-b host-c host-d host-e host-f host-a2 host-b2; do
|
|
${SSHKEYGEN} -qt ed25519 -f $OBJ/kh.$x -C "$x" -N "" || \
|
|
fatal "ssh-keygen failed"
|
|
# Add a comment that we expect should be preserved.
|
|
echo "# $x" >> $OBJ/kh.hosts
|
|
(
|
|
case "$x" in
|
|
host-a|host-b) printf "$x " ;;
|
|
host-c) printf "@cert-authority $x " ;;
|
|
host-d) printf "@revoked $x " ;;
|
|
host-e) printf "host-e* " ;;
|
|
host-f) printf "host-f,host-g,host-h " ;;
|
|
host-a2) printf "host-a " ;;
|
|
host-b2) printf "host-b " ;;
|
|
esac
|
|
cat $OBJ/kh.${x}.pub
|
|
# Blank line should be preserved.
|
|
echo "" >> $OBJ/kh.hosts
|
|
) >> $OBJ/kh.hosts
|
|
done
|
|
|
|
# Generate a variant with an invalid line. We'll use this for most tests,
|
|
# because keygen should be able to cope and it should be preserved in any
|
|
# output file.
|
|
cat $OBJ/kh.hosts >> $OBJ/kh.invalid
|
|
echo "host-i " >> $OBJ/kh.invalid
|
|
|
|
cp $OBJ/kh.invalid $OBJ/kh.invalid.orig
|
|
cp $OBJ/kh.hosts $OBJ/kh.hosts.orig
|
|
|
|
expect_key() {
|
|
_host=$1
|
|
_hosts=$2
|
|
_key=$3
|
|
_line=$4
|
|
_mark=$5
|
|
_marker=""
|
|
test "x$_mark" = "xCA" && _marker="@cert-authority "
|
|
test "x$_mark" = "xREVOKED" && _marker="@revoked "
|
|
test "x$_line" != "x" &&
|
|
echo "# Host $_host found: line $_line $_mark" >> $OBJ/kh.expect
|
|
printf "${_marker}$_hosts " >> $OBJ/kh.expect
|
|
cat $OBJ/kh.${_key}.pub >> $OBJ/kh.expect ||
|
|
fatal "${_key}.pub missing"
|
|
}
|
|
|
|
check_find() {
|
|
_host=$1
|
|
_name=$2
|
|
shift; shift
|
|
${SSHKEYGEN} "$@" -f $OBJ/kh.invalid -F $_host > $OBJ/kh.result
|
|
if ! diff -w $OBJ/kh.expect $OBJ/kh.result ; then
|
|
fail "didn't find $_name"
|
|
fi
|
|
}
|
|
|
|
check_find_exit_code() {
|
|
_host=$1
|
|
_name=$2
|
|
_keygenopt=$3
|
|
_exp_exit_code=$4
|
|
${SSHKEYGEN} $_keygenopt -f $OBJ/kh.invalid -F $_host > /dev/null
|
|
if [ "$?" != "$_exp_exit_code" ] ; then
|
|
fail "Unexpected exit code $_name"
|
|
fi
|
|
}
|
|
|
|
# Find key
|
|
rm -f $OBJ/kh.expect
|
|
expect_key host-a host-a host-a 2
|
|
expect_key host-a host-a host-a2 20
|
|
check_find host-a "simple find"
|
|
|
|
# find CA key
|
|
rm -f $OBJ/kh.expect
|
|
expect_key host-c host-c host-c 8 CA
|
|
check_find host-c "find CA key"
|
|
|
|
# find revoked key
|
|
rm -f $OBJ/kh.expect
|
|
expect_key host-d host-d host-d 11 REVOKED
|
|
check_find host-d "find revoked key"
|
|
|
|
# find key with wildcard
|
|
rm -f $OBJ/kh.expect
|
|
expect_key host-e.somedomain "host-e*" host-e 14
|
|
check_find host-e.somedomain "find wildcard key"
|
|
|
|
# find key among multiple hosts
|
|
rm -f $OBJ/kh.expect
|
|
expect_key host-h "host-f,host-g,host-h " host-f 17
|
|
check_find host-h "find multiple hosts"
|
|
|
|
# Check exit code, known host
|
|
check_find_exit_code host-a "known host" "-q" "0"
|
|
|
|
# Check exit code, unknown host
|
|
check_find_exit_code host-aa "unknown host" "-q" "1"
|
|
|
|
# Check exit code, the hash mode, known host
|
|
check_find_exit_code host-a "known host" "-q -H" "0"
|
|
|
|
# Check exit code, the hash mode, unknown host
|
|
check_find_exit_code host-aa "unknown host" "-q -H" "1"
|
|
|
|
check_hashed_find() {
|
|
_host=$1
|
|
_name=$2
|
|
_file=$3
|
|
test "x$_file" = "x" && _file=$OBJ/kh.invalid
|
|
${SSHKEYGEN} -f $_file -HF $_host | grep '|1|' | \
|
|
sed "s/^[^ ]*/$_host/" > $OBJ/kh.result
|
|
if ! diff -w $OBJ/kh.expect $OBJ/kh.result ; then
|
|
fail "didn't find $_name"
|
|
fi
|
|
}
|
|
|
|
# Find key and hash
|
|
rm -f $OBJ/kh.expect
|
|
expect_key host-a host-a host-a
|
|
expect_key host-a host-a host-a2
|
|
check_hashed_find host-a "find simple and hash"
|
|
|
|
# Find CA key and hash
|
|
rm -f $OBJ/kh.expect
|
|
expect_key host-c host-c host-c "" CA
|
|
# CA key output is not hashed.
|
|
check_find host-c "find simple and hash" -Hq
|
|
|
|
# Find revoked key and hash
|
|
rm -f $OBJ/kh.expect
|
|
expect_key host-d host-d host-d "" REVOKED
|
|
# Revoked key output is not hashed.
|
|
check_find host-d "find simple and hash" -Hq
|
|
|
|
# find key with wildcard and hash
|
|
rm -f $OBJ/kh.expect
|
|
expect_key host-e "host-e*" host-e ""
|
|
# Key with wildcard hostname should not be hashed.
|
|
check_find host-e "find wildcard key" -Hq
|
|
|
|
# find key among multiple hosts
|
|
rm -f $OBJ/kh.expect
|
|
# Comma-separated hostnames should be expanded and hashed.
|
|
expect_key host-f "host-h " host-f
|
|
expect_key host-g "host-h " host-f
|
|
expect_key host-h "host-h " host-f
|
|
check_hashed_find host-h "find multiple hosts"
|
|
|
|
# Attempt remove key on invalid file.
|
|
cp $OBJ/kh.invalid.orig $OBJ/kh.invalid
|
|
${SSHKEYGEN} -qf $OBJ/kh.invalid -R host-a 2>/dev/null
|
|
diff $OBJ/kh.invalid $OBJ/kh.invalid.orig || fail "remove on invalid succeeded"
|
|
|
|
# Remove key
|
|
cp $OBJ/kh.hosts.orig $OBJ/kh.hosts
|
|
${SSHKEYGEN} -qf $OBJ/kh.hosts -R host-a 2>/dev/null
|
|
grep -v "^host-a " $OBJ/kh.hosts.orig > $OBJ/kh.expect
|
|
diff $OBJ/kh.hosts $OBJ/kh.expect || fail "remove simple"
|
|
|
|
# Remove CA key
|
|
cp $OBJ/kh.hosts.orig $OBJ/kh.hosts
|
|
${SSHKEYGEN} -qf $OBJ/kh.hosts -R host-c 2>/dev/null
|
|
# CA key should not be removed.
|
|
diff $OBJ/kh.hosts $OBJ/kh.hosts.orig || fail "remove CA"
|
|
|
|
# Remove revoked key
|
|
cp $OBJ/kh.hosts.orig $OBJ/kh.hosts
|
|
${SSHKEYGEN} -qf $OBJ/kh.hosts -R host-d 2>/dev/null
|
|
# revoked key should not be removed.
|
|
diff $OBJ/kh.hosts $OBJ/kh.hosts.orig || fail "remove revoked"
|
|
|
|
# Remove wildcard
|
|
cp $OBJ/kh.hosts.orig $OBJ/kh.hosts
|
|
${SSHKEYGEN} -qf $OBJ/kh.hosts -R host-e.blahblah 2>/dev/null
|
|
grep -v "^host-e[*] " $OBJ/kh.hosts.orig > $OBJ/kh.expect
|
|
diff $OBJ/kh.hosts $OBJ/kh.expect || fail "remove wildcard"
|
|
|
|
# Remove multiple
|
|
cp $OBJ/kh.hosts.orig $OBJ/kh.hosts
|
|
${SSHKEYGEN} -qf $OBJ/kh.hosts -R host-h 2>/dev/null
|
|
grep -v "^host-f," $OBJ/kh.hosts.orig > $OBJ/kh.expect
|
|
diff $OBJ/kh.hosts $OBJ/kh.expect || fail "remove wildcard"
|
|
|
|
# Attempt hash on invalid file
|
|
cp $OBJ/kh.invalid.orig $OBJ/kh.invalid
|
|
${SSHKEYGEN} -qf $OBJ/kh.invalid -H 2>/dev/null && fail "hash invalid succeeded"
|
|
diff $OBJ/kh.invalid $OBJ/kh.invalid.orig || fail "invalid file modified"
|
|
|
|
# Hash valid file
|
|
cp $OBJ/kh.hosts.orig $OBJ/kh.hosts
|
|
${SSHKEYGEN} -qf $OBJ/kh.hosts -H 2>/dev/null || fail "hash failed"
|
|
diff $OBJ/kh.hosts.old $OBJ/kh.hosts.orig || fail "backup differs"
|
|
grep "^host-[abfgh]" $OBJ/kh.hosts && fail "original hostnames persist"
|
|
|
|
cp $OBJ/kh.hosts $OBJ/kh.hashed.orig
|
|
|
|
# Test lookup
|
|
rm -f $OBJ/kh.expect
|
|
expect_key host-a host-a host-a
|
|
expect_key host-a host-a host-a2
|
|
check_hashed_find host-a "find simple in hashed" $OBJ/kh.hosts
|
|
|
|
# Test multiple expanded
|
|
rm -f $OBJ/kh.expect
|
|
expect_key host-h host-h host-f
|
|
check_hashed_find host-h "find simple in hashed" $OBJ/kh.hosts
|
|
|
|
# Test remove
|
|
cp $OBJ/kh.hashed.orig $OBJ/kh.hashed
|
|
${SSHKEYGEN} -qf $OBJ/kh.hashed -R host-a 2>/dev/null
|
|
${SSHKEYGEN} -qf $OBJ/kh.hashed -F host-a && fail "found key after hashed remove"
|