djm@openbsd.org | 907da2f | 2018-04-10 00:14:10 +0000 | [diff] [blame] | 1 | # $OpenBSD: rekey.sh,v 1.18 2018/04/10 00:14:10 djm Exp $ |
Darren Tucker | fc8a7ea | 2003-06-18 22:18:57 +1000 | [diff] [blame] | 2 | # Placed in the Public Domain. |
| 3 | |
Darren Tucker | 982b0cb | 2013-05-17 09:45:12 +1000 | [diff] [blame] | 4 | tid="rekey" |
Darren Tucker | fc8a7ea | 2003-06-18 22:18:57 +1000 | [diff] [blame] | 5 | |
Darren Tucker | 7512902 | 2013-05-17 09:19:10 +1000 | [diff] [blame] | 6 | LOG=${TEST_SSH_LOGFILE} |
Darren Tucker | fc8a7ea | 2003-06-18 22:18:57 +1000 | [diff] [blame] | 7 | |
Darren Tucker | 59d928d | 2013-05-17 15:32:29 +1000 | [diff] [blame] | 8 | rm -f ${LOG} |
Damien Miller | edb1af5 | 2014-05-15 15:07:53 +1000 | [diff] [blame] | 9 | cp $OBJ/sshd_proxy $OBJ/sshd_proxy_bak |
Darren Tucker | fc8a7ea | 2003-06-18 22:18:57 +1000 | [diff] [blame] | 10 | |
Darren Tucker | 06595d6 | 2013-11-07 15:08:02 +1100 | [diff] [blame] | 11 | # Test rekeying based on data volume only. |
| 12 | # Arguments will be passed to ssh. |
| 13 | ssh_data_rekeying() |
| 14 | { |
Damien Miller | edb1af5 | 2014-05-15 15:07:53 +1000 | [diff] [blame] | 15 | _kexopt=$1 ; shift |
| 16 | _opts="$@" |
| 17 | if ! test -z "$_kexopts" ; then |
| 18 | cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy |
| 19 | echo "$_kexopt" >> $OBJ/sshd_proxy |
| 20 | _opts="$_opts -o$_kexopt" |
| 21 | fi |
Darren Tucker | 06595d6 | 2013-11-07 15:08:02 +1100 | [diff] [blame] | 22 | rm -f ${COPY} ${LOG} |
Damien Miller | edb1af5 | 2014-05-15 15:07:53 +1000 | [diff] [blame] | 23 | _opts="$_opts -oCompression=no" |
| 24 | ${SSH} <${DATA} $_opts -v -F $OBJ/ssh_proxy somehost "cat > ${COPY}" |
Darren Tucker | 06595d6 | 2013-11-07 15:08:02 +1100 | [diff] [blame] | 25 | if [ $? -ne 0 ]; then |
| 26 | fail "ssh failed ($@)" |
| 27 | fi |
| 28 | cmp ${DATA} ${COPY} || fail "corrupted copy ($@)" |
| 29 | n=`grep 'NEWKEYS sent' ${LOG} | wc -l` |
| 30 | n=`expr $n - 1` |
| 31 | trace "$n rekeying(s)" |
| 32 | if [ $n -lt 1 ]; then |
djm@openbsd.org | 907da2f | 2018-04-10 00:14:10 +0000 | [diff] [blame] | 33 | fail "no rekeying occurred ($@)" |
Darren Tucker | 06595d6 | 2013-11-07 15:08:02 +1100 | [diff] [blame] | 34 | fi |
| 35 | } |
| 36 | |
Darren Tucker | 6e2fe81 | 2013-11-09 16:55:03 +1100 | [diff] [blame] | 37 | increase_datafile_size 300 |
| 38 | |
Darren Tucker | 651dc8b | 2013-11-07 15:04:44 +1100 | [diff] [blame] | 39 | opts="" |
| 40 | for i in `${SSH} -Q kex`; do |
| 41 | opts="$opts KexAlgorithms=$i" |
| 42 | done |
| 43 | for i in `${SSH} -Q cipher`; do |
| 44 | opts="$opts Ciphers=$i" |
| 45 | done |
| 46 | for i in `${SSH} -Q mac`; do |
| 47 | opts="$opts MACs=$i" |
| 48 | done |
Darren Tucker | 2345577 | 2013-11-07 15:00:51 +1100 | [diff] [blame] | 49 | |
Darren Tucker | 651dc8b | 2013-11-07 15:04:44 +1100 | [diff] [blame] | 50 | for opt in $opts; do |
| 51 | verbose "client rekey $opt" |
Damien Miller | edb1af5 | 2014-05-15 15:07:53 +1000 | [diff] [blame] | 52 | ssh_data_rekeying "$opt" -oRekeyLimit=256k |
Darren Tucker | 651dc8b | 2013-11-07 15:04:44 +1100 | [diff] [blame] | 53 | done |
| 54 | |
Damien Miller | 8a073cf | 2013-11-21 14:26:18 +1100 | [diff] [blame] | 55 | # AEAD ciphers are magical so test with all KexAlgorithms |
| 56 | if ${SSH} -Q cipher-auth | grep '^.*$' >/dev/null 2>&1 ; then |
| 57 | for c in `${SSH} -Q cipher-auth`; do |
Darren Tucker | 651dc8b | 2013-11-07 15:04:44 +1100 | [diff] [blame] | 58 | for kex in `${SSH} -Q kex`; do |
| 59 | verbose "client rekey $c $kex" |
Damien Miller | edb1af5 | 2014-05-15 15:07:53 +1000 | [diff] [blame] | 60 | ssh_data_rekeying "KexAlgorithms=$kex" -oRekeyLimit=256k -oCiphers=$c |
Darren Tucker | 2345577 | 2013-11-07 15:00:51 +1100 | [diff] [blame] | 61 | done |
Darren Tucker | 651dc8b | 2013-11-07 15:04:44 +1100 | [diff] [blame] | 62 | done |
| 63 | fi |
| 64 | |
| 65 | for s in 16 1k 128k 256k; do |
| 66 | verbose "client rekeylimit ${s}" |
Damien Miller | edb1af5 | 2014-05-15 15:07:53 +1000 | [diff] [blame] | 67 | ssh_data_rekeying "" -oCompression=no -oRekeyLimit=$s |
Darren Tucker | fc8a7ea | 2003-06-18 22:18:57 +1000 | [diff] [blame] | 68 | done |
Darren Tucker | a8a62fc | 2013-05-17 09:42:34 +1000 | [diff] [blame] | 69 | |
Darren Tucker | c31c872 | 2013-05-17 09:43:33 +1000 | [diff] [blame] | 70 | for s in 5 10; do |
Darren Tucker | 14490fe | 2013-05-17 09:44:20 +1000 | [diff] [blame] | 71 | verbose "client rekeylimit default ${s}" |
Darren Tucker | a8a62fc | 2013-05-17 09:42:34 +1000 | [diff] [blame] | 72 | rm -f ${COPY} ${LOG} |
Darren Tucker | 06595d6 | 2013-11-07 15:08:02 +1100 | [diff] [blame] | 73 | ${SSH} < ${DATA} -oCompression=no -oRekeyLimit="default $s" -F \ |
| 74 | $OBJ/ssh_proxy somehost "cat >${COPY};sleep $s;sleep 3" |
Darren Tucker | a8a62fc | 2013-05-17 09:42:34 +1000 | [diff] [blame] | 75 | if [ $? -ne 0 ]; then |
| 76 | fail "ssh failed" |
| 77 | fi |
Darren Tucker | 06595d6 | 2013-11-07 15:08:02 +1100 | [diff] [blame] | 78 | cmp ${DATA} ${COPY} || fail "corrupted copy" |
Darren Tucker | a8a62fc | 2013-05-17 09:42:34 +1000 | [diff] [blame] | 79 | n=`grep 'NEWKEYS sent' ${LOG} | wc -l` |
| 80 | n=`expr $n - 1` |
| 81 | trace "$n rekeying(s)" |
| 82 | if [ $n -lt 1 ]; then |
djm@openbsd.org | 907da2f | 2018-04-10 00:14:10 +0000 | [diff] [blame] | 83 | fail "no rekeying occurred" |
Darren Tucker | a8a62fc | 2013-05-17 09:42:34 +1000 | [diff] [blame] | 84 | fi |
| 85 | done |
| 86 | |
Darren Tucker | c31c872 | 2013-05-17 09:43:33 +1000 | [diff] [blame] | 87 | for s in 5 10; do |
Darren Tucker | 14490fe | 2013-05-17 09:44:20 +1000 | [diff] [blame] | 88 | verbose "client rekeylimit default ${s} no data" |
Darren Tucker | c31c872 | 2013-05-17 09:43:33 +1000 | [diff] [blame] | 89 | rm -f ${COPY} ${LOG} |
| 90 | ${SSH} -oCompression=no -oRekeyLimit="default $s" -F \ |
| 91 | $OBJ/ssh_proxy somehost "sleep $s;sleep 3" |
| 92 | if [ $? -ne 0 ]; then |
| 93 | fail "ssh failed" |
| 94 | fi |
| 95 | n=`grep 'NEWKEYS sent' ${LOG} | wc -l` |
| 96 | n=`expr $n - 1` |
| 97 | trace "$n rekeying(s)" |
| 98 | if [ $n -lt 1 ]; then |
djm@openbsd.org | 907da2f | 2018-04-10 00:14:10 +0000 | [diff] [blame] | 99 | fail "no rekeying occurred" |
Darren Tucker | c31c872 | 2013-05-17 09:43:33 +1000 | [diff] [blame] | 100 | fi |
| 101 | done |
| 102 | |
markus@openbsd.org | 8ea3365 | 2015-02-14 12:43:16 +0000 | [diff] [blame] | 103 | for s in 16 1k 128k 256k; do |
| 104 | verbose "server rekeylimit ${s}" |
| 105 | cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy |
| 106 | echo "rekeylimit ${s}" >>$OBJ/sshd_proxy |
| 107 | rm -f ${COPY} ${LOG} |
| 108 | ${SSH} -oCompression=no -F $OBJ/ssh_proxy somehost "cat ${DATA}" \ |
| 109 | > ${COPY} |
| 110 | if [ $? -ne 0 ]; then |
| 111 | fail "ssh failed" |
| 112 | fi |
| 113 | cmp ${DATA} ${COPY} || fail "corrupted copy" |
| 114 | n=`grep 'NEWKEYS sent' ${LOG} | wc -l` |
| 115 | n=`expr $n - 1` |
| 116 | trace "$n rekeying(s)" |
| 117 | if [ $n -lt 1 ]; then |
djm@openbsd.org | 907da2f | 2018-04-10 00:14:10 +0000 | [diff] [blame] | 118 | fail "no rekeying occurred" |
markus@openbsd.org | 8ea3365 | 2015-02-14 12:43:16 +0000 | [diff] [blame] | 119 | fi |
| 120 | done |
| 121 | |
Darren Tucker | 14490fe | 2013-05-17 09:44:20 +1000 | [diff] [blame] | 122 | for s in 5 10; do |
| 123 | verbose "server rekeylimit default ${s} no data" |
markus@openbsd.org | 8ea3365 | 2015-02-14 12:43:16 +0000 | [diff] [blame] | 124 | cp $OBJ/sshd_proxy_bak $OBJ/sshd_proxy |
| 125 | echo "rekeylimit default ${s}" >>$OBJ/sshd_proxy |
Darren Tucker | 14490fe | 2013-05-17 09:44:20 +1000 | [diff] [blame] | 126 | rm -f ${COPY} ${LOG} |
| 127 | ${SSH} -oCompression=no -F $OBJ/ssh_proxy somehost "sleep $s;sleep 3" |
| 128 | if [ $? -ne 0 ]; then |
| 129 | fail "ssh failed" |
| 130 | fi |
| 131 | n=`grep 'NEWKEYS sent' ${LOG} | wc -l` |
| 132 | n=`expr $n - 1` |
| 133 | trace "$n rekeying(s)" |
| 134 | if [ $n -lt 1 ]; then |
djm@openbsd.org | 907da2f | 2018-04-10 00:14:10 +0000 | [diff] [blame] | 135 | fail "no rekeying occurred" |
Darren Tucker | 14490fe | 2013-05-17 09:44:20 +1000 | [diff] [blame] | 136 | fi |
| 137 | done |
| 138 | |
Darren Tucker | 982b0cb | 2013-05-17 09:45:12 +1000 | [diff] [blame] | 139 | verbose "rekeylimit parsing" |
dtucker@openbsd.org | 537f88e | 2016-01-29 05:18:15 +0000 | [diff] [blame] | 140 | for size in 16 1k 1K 1m 1M 1g 1G 4G 8G; do |
Darren Tucker | 982b0cb | 2013-05-17 09:45:12 +1000 | [diff] [blame] | 141 | for time in 1 1m 1M 1h 1H 1d 1D 1w 1W; do |
| 142 | case $size in |
| 143 | 16) bytes=16 ;; |
| 144 | 1k|1K) bytes=1024 ;; |
| 145 | 1m|1M) bytes=1048576 ;; |
| 146 | 1g|1G) bytes=1073741824 ;; |
dtucker@openbsd.org | 537f88e | 2016-01-29 05:18:15 +0000 | [diff] [blame] | 147 | 4g|4G) bytes=4294967296 ;; |
| 148 | 8g|8G) bytes=8589934592 ;; |
Darren Tucker | 982b0cb | 2013-05-17 09:45:12 +1000 | [diff] [blame] | 149 | esac |
| 150 | case $time in |
| 151 | 1) seconds=1 ;; |
| 152 | 1m|1M) seconds=60 ;; |
| 153 | 1h|1H) seconds=3600 ;; |
| 154 | 1d|1D) seconds=86400 ;; |
| 155 | 1w|1W) seconds=604800 ;; |
| 156 | esac |
| 157 | |
| 158 | b=`$SUDO ${SSHD} -T -o "rekeylimit $size $time" -f $OBJ/sshd_proxy | \ |
| 159 | awk '/rekeylimit/{print $2}'` |
| 160 | s=`$SUDO ${SSHD} -T -o "rekeylimit $size $time" -f $OBJ/sshd_proxy | \ |
| 161 | awk '/rekeylimit/{print $3}'` |
| 162 | |
| 163 | if [ "$bytes" != "$b" ]; then |
Damien Miller | 8a073cf | 2013-11-21 14:26:18 +1100 | [diff] [blame] | 164 | fatal "rekeylimit size: expected $bytes bytes got $b" |
Darren Tucker | 982b0cb | 2013-05-17 09:45:12 +1000 | [diff] [blame] | 165 | fi |
| 166 | if [ "$seconds" != "$s" ]; then |
Damien Miller | 8a073cf | 2013-11-21 14:26:18 +1100 | [diff] [blame] | 167 | fatal "rekeylimit time: expected $time seconds got $s" |
Darren Tucker | 982b0cb | 2013-05-17 09:45:12 +1000 | [diff] [blame] | 168 | fi |
| 169 | done |
| 170 | done |
| 171 | |
Darren Tucker | 7512902 | 2013-05-17 09:19:10 +1000 | [diff] [blame] | 172 | rm -f ${COPY} ${DATA} |