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cd7324d066
remove -u flag to diff (only used for error output) to make things easier for -portable Upstream-Regress-ID: a5d6777d2909540d87afec3039d9bb2414ade548
198 lines
5.8 KiB
Bash
198 lines
5.8 KiB
Bash
# $OpenBSD: keygen-knownhosts.sh,v 1.3 2015/07/17 03:34:27 djm Exp $
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# Placed in the Public Domain.
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tid="ssh-keygen known_hosts"
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rm -f $OBJ/kh.*
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# Generate some keys for testing (just ed25519 for speed) and make a hosts file.
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for x in host-a host-b host-c host-d host-e host-f host-a2 host-b2; do
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${SSHKEYGEN} -qt ed25519 -f $OBJ/kh.$x -C "$x" -N "" || \
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fatal "ssh-keygen failed"
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# Add a comment that we expect should be preserved.
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echo "# $x" >> $OBJ/kh.hosts
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(
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case "$x" in
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host-a|host-b) printf "$x " ;;
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host-c) printf "@cert-authority $x " ;;
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host-d) printf "@revoked $x " ;;
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host-e) printf "host-e* " ;;
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host-f) printf "host-f,host-g,host-h " ;;
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host-a2) printf "host-a " ;;
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host-b2) printf "host-b " ;;
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esac
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cat $OBJ/kh.${x}.pub
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# Blank line should be preserved.
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echo "" >> $OBJ/kh.hosts
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) >> $OBJ/kh.hosts
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done
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# Generate a variant with an invalid line. We'll use this for most tests,
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# because keygen should be able to cope and it should be preserved in any
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# output file.
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cat $OBJ/kh.hosts >> $OBJ/kh.invalid
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echo "host-i " >> $OBJ/kh.invalid
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cp $OBJ/kh.invalid $OBJ/kh.invalid.orig
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cp $OBJ/kh.hosts $OBJ/kh.hosts.orig
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expect_key() {
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_host=$1
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_hosts=$2
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_key=$3
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_line=$4
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_mark=$5
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_marker=""
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test "x$_mark" = "xCA" && _marker="@cert-authority "
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test "x$_mark" = "xREVOKED" && _marker="@revoked "
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test "x$_line" != "x" &&
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echo "# Host $_host found: line $_line $_mark" >> $OBJ/kh.expect
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printf "${_marker}$_hosts " >> $OBJ/kh.expect
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cat $OBJ/kh.${_key}.pub >> $OBJ/kh.expect ||
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fatal "${_key}.pub missing"
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}
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check_find() {
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_host=$1
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_name=$2
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_keygenopt=$3
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${SSHKEYGEN} $_keygenopt -f $OBJ/kh.invalid -F $_host > $OBJ/kh.result
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if ! diff -w $OBJ/kh.expect $OBJ/kh.result ; then
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fail "didn't find $_name"
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fi
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}
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# Find key
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rm -f $OBJ/kh.expect
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expect_key host-a host-a host-a 2
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expect_key host-a host-a host-a2 20
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check_find host-a "simple find"
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# find CA key
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rm -f $OBJ/kh.expect
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expect_key host-c host-c host-c 8 CA
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check_find host-c "find CA key"
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# find revoked key
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rm -f $OBJ/kh.expect
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expect_key host-d host-d host-d 11 REVOKED
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check_find host-d "find revoked key"
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# find key with wildcard
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rm -f $OBJ/kh.expect
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expect_key host-e.somedomain "host-e*" host-e 14
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check_find host-e.somedomain "find wildcard key"
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# find key among multiple hosts
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rm -f $OBJ/kh.expect
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expect_key host-h "host-f,host-g,host-h " host-f 17
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check_find host-h "find multiple hosts"
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check_hashed_find() {
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_host=$1
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_name=$2
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_file=$3
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test "x$_file" = "x" && _file=$OBJ/kh.invalid
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${SSHKEYGEN} -f $_file -HF $_host | grep '|1|' | \
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sed "s/^[^ ]*/$_host/" > $OBJ/kh.result
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if ! diff -w $OBJ/kh.expect $OBJ/kh.result ; then
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fail "didn't find $_name"
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fi
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}
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# Find key and hash
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rm -f $OBJ/kh.expect
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expect_key host-a host-a host-a
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expect_key host-a host-a host-a2
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check_hashed_find host-a "find simple and hash"
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# Find CA key and hash
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rm -f $OBJ/kh.expect
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expect_key host-c host-c host-c "" CA
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# CA key output is not hashed.
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check_find host-c "find simple and hash" -H
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# Find revoked key and hash
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rm -f $OBJ/kh.expect
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expect_key host-d host-d host-d "" REVOKED
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# Revoked key output is not hashed.
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check_find host-d "find simple and hash" -H
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# find key with wildcard and hash
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rm -f $OBJ/kh.expect
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expect_key host-e "host-e*" host-e ""
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# Key with wildcard hostname should not be hashed.
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check_find host-e "find wildcard key" -H
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# find key among multiple hosts
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rm -f $OBJ/kh.expect
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# Comma-separated hostnames should be expanded and hashed.
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expect_key host-f "host-h " host-f
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expect_key host-g "host-h " host-f
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expect_key host-h "host-h " host-f
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check_hashed_find host-h "find multiple hosts"
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# Attempt remove key on invalid file.
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cp $OBJ/kh.invalid.orig $OBJ/kh.invalid
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${SSHKEYGEN} -qf $OBJ/kh.invalid -R host-a 2>/dev/null
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diff $OBJ/kh.invalid $OBJ/kh.invalid.orig || fail "remove on invalid succeeded"
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# Remove key
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cp $OBJ/kh.hosts.orig $OBJ/kh.hosts
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${SSHKEYGEN} -qf $OBJ/kh.hosts -R host-a 2>/dev/null
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grep -v "^host-a " $OBJ/kh.hosts.orig > $OBJ/kh.expect
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diff $OBJ/kh.hosts $OBJ/kh.expect || fail "remove simple"
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# Remove CA key
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cp $OBJ/kh.hosts.orig $OBJ/kh.hosts
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${SSHKEYGEN} -qf $OBJ/kh.hosts -R host-c 2>/dev/null
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# CA key should not be removed.
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diff $OBJ/kh.hosts $OBJ/kh.hosts.orig || fail "remove CA"
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# Remove revoked key
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cp $OBJ/kh.hosts.orig $OBJ/kh.hosts
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${SSHKEYGEN} -qf $OBJ/kh.hosts -R host-d 2>/dev/null
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# revoked key should not be removed.
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diff $OBJ/kh.hosts $OBJ/kh.hosts.orig || fail "remove revoked"
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# Remove wildcard
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cp $OBJ/kh.hosts.orig $OBJ/kh.hosts
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${SSHKEYGEN} -qf $OBJ/kh.hosts -R host-e.blahblah 2>/dev/null
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grep -v "^host-e[*] " $OBJ/kh.hosts.orig > $OBJ/kh.expect
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diff $OBJ/kh.hosts $OBJ/kh.expect || fail "remove wildcard"
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# Remove multiple
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cp $OBJ/kh.hosts.orig $OBJ/kh.hosts
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${SSHKEYGEN} -qf $OBJ/kh.hosts -R host-h 2>/dev/null
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grep -v "^host-f," $OBJ/kh.hosts.orig > $OBJ/kh.expect
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diff $OBJ/kh.hosts $OBJ/kh.expect || fail "remove wildcard"
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# Attempt hash on invalid file
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cp $OBJ/kh.invalid.orig $OBJ/kh.invalid
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${SSHKEYGEN} -qf $OBJ/kh.invalid -H 2>/dev/null && fail "hash invalid succeeded"
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diff $OBJ/kh.invalid $OBJ/kh.invalid.orig || fail "invalid file modified"
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# Hash valid file
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cp $OBJ/kh.hosts.orig $OBJ/kh.hosts
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${SSHKEYGEN} -qf $OBJ/kh.hosts -H 2>/dev/null || fail "hash failed"
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diff $OBJ/kh.hosts.old $OBJ/kh.hosts.orig || fail "backup differs"
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grep "^host-[abfgh]" $OBJ/kh.hosts && fail "original hostnames persist"
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cp $OBJ/kh.hosts $OBJ/kh.hashed.orig
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# Test lookup
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rm -f $OBJ/kh.expect
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expect_key host-a host-a host-a
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expect_key host-a host-a host-a2
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check_hashed_find host-a "find simple in hashed" $OBJ/kh.hosts
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# Test multiple expanded
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rm -f $OBJ/kh.expect
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expect_key host-h host-h host-f
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check_hashed_find host-h "find simple in hashed" $OBJ/kh.hosts
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# Test remove
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cp $OBJ/kh.hashed.orig $OBJ/kh.hashed
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${SSHKEYGEN} -qf $OBJ/kh.hashed -R host-a 2>/dev/null
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${SSHKEYGEN} -qf $OBJ/kh.hashed -F host-a && fail "found key after hashed remove"
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