upstream commit

unit and regress tests for SHA256/512; ok markus

Upstream-Regress-ID: a0cd1a92dc824067076a5fcef83c18df9b0bf2c6

3 files changed, 102 insertions, 77 deletions

diff --git a/regress/cert-hostkey.sh b/regress/cert-hostkey.sh
index 3f53922c8..62261cf8b 100644
--- a/regress/cert-hostkey.sh
+++ b/regress/cert-hostkey.sh
@@ -1,4 +1,4 @@
-#       $OpenBSD: cert-hostkey.sh,v 1.13 2015/07/10 06:23:25 markus Exp $
+#       $OpenBSD: cert-hostkey.sh,v 1.14 2016/05/02 09:52:00 djm Exp $
 #       Placed in the Public Domain.
 
 tid="certified host keys"
@@ -30,34 +30,51 @@ cp $OBJ/sshd_proxy $OBJ/sshd_proxy_bak
 
 HOSTS='localhost-with-alias,127.0.0.1,::1'
 
-# Create a CA key and add it to known hosts. Ed25519 chosed for speed.
+kh_ca() {
+        for k in "$@" ; do
+                printf "@cert-authority $HOSTS "
+                cat $OBJ/$k || fatal "couldn't cat $k"
+        done
+}
+kh_revoke() {
+        for k in "$@" ; do
+                printf "@revoked * "
+                cat $OBJ/$k || fatal "couldn't cat $k"
+        done
+}
+
+# Create a CA key and add it to known hosts. Ed25519 chosen for speed.
+# RSA for testing RSA/SHA2 signatures.
 ${SSHKEYGEN} -q -N '' -t ed25519  -f $OBJ/host_ca_key ||\
         fail "ssh-keygen of host_ca_key failed"
-(
-        printf '@cert-authority '
-        printf "$HOSTS "
-        cat $OBJ/host_ca_key.pub
-) > $OBJ/known_hosts-cert.orig
+${SSHKEYGEN} -q -N '' -t rsa  -f $OBJ/host_ca_key2 ||\
+        fail "ssh-keygen of host_ca_key failed"
+
+kh_ca host_ca_key.pub host_ca_key2.pub > $OBJ/known_hosts-cert.orig
 cp $OBJ/known_hosts-cert.orig $OBJ/known_hosts-cert
 
 # Plain text revocation files
 touch $OBJ/host_revoked_empty
 touch $OBJ/host_revoked_plain
 touch $OBJ/host_revoked_cert
-cp $OBJ/host_ca_key.pub $OBJ/host_revoked_ca
+cat $OBJ/host_ca_key.pub $OBJ/host_ca_key2.pub > $OBJ/host_revoked_ca
 
 PLAIN_TYPES=`$SSH -Q key-plain | sed 's/^ssh-dss/ssh-dsa/g;s/^ssh-//'`
 
+if echo "$PLAIN_TYPES" | grep '^rsa$' >/dev/null 2>&1 ; then
+        PLAIN_TYPES="$PLAIN_TYPES rsa-sha2-256 rsa-sha2-512"
+fi
+
 # Prepare certificate, plain key and CA KRLs
 ${SSHKEYGEN} -kf $OBJ/host_krl_empty || fatal "KRL init failed"
 ${SSHKEYGEN} -kf $OBJ/host_krl_plain || fatal "KRL init failed"
 ${SSHKEYGEN} -kf $OBJ/host_krl_cert || fatal "KRL init failed"
-${SSHKEYGEN} -kf $OBJ/host_krl_ca $OBJ/host_ca_key.pub \
+${SSHKEYGEN} -kf $OBJ/host_krl_ca $OBJ/host_ca_key.pub $OBJ/host_ca_key2.pub \
         || fatal "KRL init failed"
 
 # Generate and sign host keys
 serial=1
-for ktype in $PLAIN_TYPES ; do 
+for ktype in $PLAIN_TYPES ; do
         verbose "$tid: sign host ${ktype} cert"
         # Generate and sign a host key
         ${SSHKEYGEN} -q -N '' -t ${ktype} \
@@ -66,7 +83,11 @@ for ktype in $PLAIN_TYPES ; do
         ${SSHKEYGEN} -ukf $OBJ/host_krl_plain \
             $OBJ/cert_host_key_${ktype}.pub || fatal "KRL update failed"
         cat $OBJ/cert_host_key_${ktype}.pub >> $OBJ/host_revoked_plain
-        ${SSHKEYGEN} -h -q -s $OBJ/host_ca_key -z $serial \
+        case $ktype in
+        rsa-sha2-*)     tflag="-t $ktype"; ca="$OBJ/host_ca_key2" ;;
+        *)              tflag=""; ca="$OBJ/host_ca_key" ;;
+        esac
+        ${SSHKEYGEN} -h -q -s $ca -z $serial $tflag \
             -I "regress host key for $USER" \
             -n $HOSTS $OBJ/cert_host_key_${ktype} ||
                 fatal "couldn't sign cert_host_key_${ktype}"
@@ -100,7 +121,7 @@ attempt_connect() {
 
 # Basic connect and revocation tests.
 for privsep in yes no ; do
-        for ktype in $PLAIN_TYPES ; do 
+        for ktype in $PLAIN_TYPES ; do
                 verbose "$tid: host ${ktype} cert connect privsep $privsep"
                 (
                         cat $OBJ/sshd_proxy_bak
@@ -131,18 +152,14 @@ for privsep in yes no ; do
 done
 
 # Revoked certificates with key present
-(
-        printf '@cert-authority '
-        printf "$HOSTS "
-        cat $OBJ/host_ca_key.pub
-        for ktype in $PLAIN_TYPES ; do
-                test -f "$OBJ/cert_host_key_${ktype}.pub" || fatal "no pubkey"
-                printf "@revoked * `cat $OBJ/cert_host_key_${ktype}.pub`\n"
-        done
-) > $OBJ/known_hosts-cert.orig
+kh_ca host_ca_key.pub host_ca_key2.pub > $OBJ/known_hosts-cert.orig
+for ktype in $PLAIN_TYPES ; do
+        test -f "$OBJ/cert_host_key_${ktype}.pub" || fatal "no pubkey"
+        kh_revoke cert_host_key_${ktype}.pub >> $OBJ/known_hosts-cert.orig
+done
 cp $OBJ/known_hosts-cert.orig $OBJ/known_hosts-cert
 for privsep in yes no ; do
-        for ktype in $PLAIN_TYPES ; do 
+        for ktype in $PLAIN_TYPES ; do
                 verbose "$tid: host ${ktype} revoked cert privsep $privsep"
                 (
                         cat $OBJ/sshd_proxy_bak
@@ -162,16 +179,10 @@ for privsep in yes no ; do
 done
 
 # Revoked CA
-(
-        printf '@cert-authority '
-        printf "$HOSTS "
-        cat $OBJ/host_ca_key.pub
-        printf '@revoked '
-        printf "* "
-        cat $OBJ/host_ca_key.pub
-) > $OBJ/known_hosts-cert.orig
+kh_ca host_ca_key.pub host_ca_key2.pub > $OBJ/known_hosts-cert.orig
+kh_revoke host_ca_key.pub host_ca_key2.pub >> $OBJ/known_hosts-cert.orig
 cp $OBJ/known_hosts-cert.orig $OBJ/known_hosts-cert
-for ktype in $PLAIN_TYPES ; do 
+for ktype in $PLAIN_TYPES ; do
         verbose "$tid: host ${ktype} revoked cert"
         (
                 cat $OBJ/sshd_proxy_bak
@@ -188,11 +199,7 @@ for ktype in $PLAIN_TYPES ; do
 done
 
 # Create a CA key and add it to known hosts
-(
-        printf '@cert-authority '
-        printf "$HOSTS "
-        cat $OBJ/host_ca_key.pub
-) > $OBJ/known_hosts-cert.orig
+kh_ca host_ca_key.pub host_ca_key2.pub > $OBJ/known_hosts-cert.orig
 cp $OBJ/known_hosts-cert.orig $OBJ/known_hosts-cert
 
 test_one() {
@@ -201,16 +208,19 @@ test_one() {
         sign_opts=$3
 
         for kt in rsa ed25519 ; do
-                ${SSHKEYGEN} -q -s $OBJ/host_ca_key \
-                    -I "regress host key for $USER" \
+                case $ktype in
+                rsa-sha2-*)     tflag="-t $ktype"; ca="$OBJ/host_ca_key2" ;;
+                *)              tflag=""; ca="$OBJ/host_ca_key" ;;
+                esac
+                ${SSHKEYGEN} -q -s $ca $tflag -I "regress host key for $USER" \
                     $sign_opts $OBJ/cert_host_key_${kt} ||
-                        fail "couldn't sign cert_host_key_${kt}"
+                        fatal "couldn't sign cert_host_key_${kt}"
                 (
                         cat $OBJ/sshd_proxy_bak
                         echo HostKey $OBJ/cert_host_key_${kt}
                         echo HostCertificate $OBJ/cert_host_key_${kt}-cert.pub
                 ) > $OBJ/sshd_proxy
-        
+
                 cp $OBJ/known_hosts-cert.orig $OBJ/known_hosts-cert
                 ${SSH} -2 -oUserKnownHostsFile=$OBJ/known_hosts-cert \
                     -oGlobalKnownHostsFile=$OBJ/known_hosts-cert \
@@ -237,17 +247,20 @@ test_one "cert valid interval"	success "-h -V-1w:+2w"
 test_one "cert has constraints" failure "-h -Oforce-command=false"
 
 # Check downgrade of cert to raw key when no CA found
-for ktype in $PLAIN_TYPES ; do 
+for ktype in $PLAIN_TYPES ; do
         rm -f $OBJ/known_hosts-cert $OBJ/cert_host_key*
         verbose "$tid: host ${ktype} ${v} cert downgrade to raw key"
         # Generate and sign a host key
-        ${SSHKEYGEN} -q -N '' -t ${ktype} \
-            -f $OBJ/cert_host_key_${ktype} || \
+        ${SSHKEYGEN} -q -N '' -t ${ktype} -f $OBJ/cert_host_key_${ktype} || \
                 fail "ssh-keygen of cert_host_key_${ktype} failed"
-        ${SSHKEYGEN} -t ${v} -h -q -s $OBJ/host_ca_key \
+        case $ktype in
+        rsa-sha2-*)     tflag="-t $ktype"; ca="$OBJ/host_ca_key2" ;;
+        *)              tflag=""; ca="$OBJ/host_ca_key" ;;
+        esac
+        ${SSHKEYGEN} -h -q $tflag -s $ca $tflag \
             -I "regress host key for $USER" \
             -n $HOSTS $OBJ/cert_host_key_${ktype} ||
-                fail "couldn't sign cert_host_key_${ktype}"
+                fatal "couldn't sign cert_host_key_${ktype}"
         (
                 printf "$HOSTS "
                 cat $OBJ/cert_host_key_${ktype}.pub
@@ -257,7 +270,7 @@ for ktype in $PLAIN_TYPES ; do
                 echo HostKey $OBJ/cert_host_key_${ktype}
                 echo HostCertificate $OBJ/cert_host_key_${ktype}-cert.pub
         ) > $OBJ/sshd_proxy
-        
+
         ${SSH} -2 -oUserKnownHostsFile=$OBJ/known_hosts-cert \
             -oGlobalKnownHostsFile=$OBJ/known_hosts-cert \
                 -F $OBJ/ssh_proxy somehost true
@@ -267,23 +280,22 @@ for ktype in $PLAIN_TYPES ; do
 done
 
 # Wrong certificate
-(
-        printf '@cert-authority '
-        printf "$HOSTS "
-        cat $OBJ/host_ca_key.pub
-) > $OBJ/known_hosts-cert.orig
+kh_ca host_ca_key.pub host_ca_key2.pub > $OBJ/known_hosts-cert.orig
 cp $OBJ/known_hosts-cert.orig $OBJ/known_hosts-cert
-for kt in $PLAIN_TYPES ; do 
+for kt in $PLAIN_TYPES ; do
+        verbose "$tid: host ${kt} connect wrong cert"
         rm -f $OBJ/cert_host_key*
         # Self-sign key
-        ${SSHKEYGEN} -q -N '' -t ${kt} \
-            -f $OBJ/cert_host_key_${kt} || \
+        ${SSHKEYGEN} -q -N '' -t ${kt} -f $OBJ/cert_host_key_${kt} || \
                 fail "ssh-keygen of cert_host_key_${kt} failed"
-        ${SSHKEYGEN} -t ${v} -h -q -s $OBJ/cert_host_key_${kt} \
+        case $kt in
+        rsa-sha2-*)     tflag="-t $kt" ;;
+        *)              tflag="" ;;
+        esac
+        ${SSHKEYGEN} $tflag -h -q -s $OBJ/cert_host_key_${kt} \
             -I "regress host key for $USER" \
             -n $HOSTS $OBJ/cert_host_key_${kt} ||
-                fail "couldn't sign cert_host_key_${kt}"
-        verbose "$tid: host ${kt} connect wrong cert"
+                fatal "couldn't sign cert_host_key_${kt}"
         (
                 cat $OBJ/sshd_proxy_bak
                 echo HostKey $OBJ/cert_host_key_${kt}
diff --git a/regress/cert-userkey.sh b/regress/cert-userkey.sh
index c38c00a02..096d9e47a 100644
--- a/regress/cert-userkey.sh
+++ b/regress/cert-userkey.sh
@@ -1,4 +1,4 @@
-#       $OpenBSD: cert-userkey.sh,v 1.14 2015/07/10 06:23:25 markus Exp $
+#       $OpenBSD: cert-userkey.sh,v 1.15 2016/05/02 09:52:00 djm Exp $
 #       Placed in the Public Domain.
 
 tid="certified user keys"
@@ -9,9 +9,16 @@ cp $OBJ/ssh_proxy $OBJ/ssh_proxy_bak
 
 PLAIN_TYPES=`$SSH -Q key-plain | sed 's/^ssh-dss/ssh-dsa/;s/^ssh-//'`
 
+if echo "$PLAIN_TYPES" | grep '^rsa$' >/dev/null 2>&1 ; then
+        PLAIN_TYPES="$PLAIN_TYPES rsa-sha2-256 rsa-sha2-512"
+fi
+
 kname() {
-        n=`echo "$1" | sed 's/^dsa/ssh-dss/;s/^rsa/ssh-rsa/;s/^ed/ssh-ed/'`
-        echo "$n*,ssh-rsa*,ssh-ed25519*"
+        case $ktype in
+        rsa-sha2-*) ;;
+        *) printf $1 | sed 's/^dsa/ssh-dss/;s/^rsa/ssh-rsa/;s/^ed/ssh-ed/' ;;
+        esac
+        echo "*,ssh-rsa*,ssh-ed25519*"
 }
 
 # Create a CA key
@@ -19,18 +26,24 @@ ${SSHKEYGEN} -q -N '' -t rsa  -f $OBJ/user_ca_key ||\
         fail "ssh-keygen of user_ca_key failed"
 
 # Generate and sign user keys
-for ktype in $PLAIN_TYPES ; do 
+for ktype in $PLAIN_TYPES $EXTRA_TYPES ; do
         verbose "$tid: sign user ${ktype} cert"
         ${SSHKEYGEN} -q -N '' -t ${ktype} \
             -f $OBJ/cert_user_key_${ktype} || \
-                fail "ssh-keygen of cert_user_key_${ktype} failed"
-        ${SSHKEYGEN} -q -s $OBJ/user_ca_key -I "regress user key for $USER" \
-            -z $$ -n ${USER},mekmitasdigoat $OBJ/cert_user_key_${ktype} ||
-                fail "couldn't sign cert_user_key_${ktype}"
+                fatal "ssh-keygen of cert_user_key_${ktype} failed"
+        # Generate RSA/SHA2 certs for rsa-sha2* keys.
+        case $ktype in
+        rsa-sha2-*)     tflag="-t $ktype" ;;
+        *)              tflag="" ;;
+        esac
+        ${SSHKEYGEN} -q -s $OBJ/user_ca_key -z $$ \
+            -I "regress user key for $USER" \
+            -n ${USER},mekmitasdigoat $tflag $OBJ/cert_user_key_${ktype} || \
+                fatal "couldn't sign cert_user_key_${ktype}"
 done
 
 # Test explicitly-specified principals
-for ktype in $PLAIN_TYPES ; do 
+for ktype in $EXTRA_TYPES $PLAIN_TYPES ; do
         t=$(kname $ktype)
         for privsep in yes no ; do
                 _prefix="${ktype} privsep $privsep"
@@ -67,7 +80,7 @@ for ktype in $PLAIN_TYPES ; do
                 if [ $? -eq 0 ]; then
                         fail "ssh cert connect succeeded unexpectedly"
                 fi
-        
+
                 # Wrong authorized_principals
                 verbose "$tid: ${_prefix} wrong authorized_principals"
                 echo gregorsamsa > $OBJ/authorized_principals_$USER
@@ -166,8 +179,8 @@ basic_tests() {
                 echo > $OBJ/authorized_keys_$USER
                 extra_sshd="TrustedUserCAKeys $OBJ/user_ca_key.pub"
         fi
-        
-        for ktype in $PLAIN_TYPES ; do 
+
+        for ktype in $PLAIN_TYPES ; do
                 t=$(kname $ktype)
                 for privsep in yes no ; do
                         _prefix="${ktype} privsep $privsep $auth"
@@ -183,7 +196,7 @@ basic_tests() {
                                 cat $OBJ/ssh_proxy_bak
                                 echo "PubkeyAcceptedKeyTypes ${t}"
                         ) > $OBJ/ssh_proxy
-        
+
                         ${SSH} -2i $OBJ/cert_user_key_${ktype} \
                             -F $OBJ/ssh_proxy somehost true
                         if [ $? -ne 0 ]; then
@@ -223,7 +236,7 @@ basic_tests() {
                                 fail "ssh cert connect failed"
                         fi
                 done
-        
+
                 # Revoked CA
                 verbose "$tid: ${ktype} $auth revoked CA key"
                 (
@@ -238,7 +251,7 @@ basic_tests() {
                         fail "ssh cert connect succeeded unexpecedly"
                 fi
         done
-        
+
         verbose "$tid: $auth CA does not authenticate"
         (
                 cat $OBJ/sshd_proxy_bak
@@ -286,7 +299,7 @@ test_one() {
                                         echo $auth_opt >> $OBJ/sshd_proxy
                                 fi
                         fi
-                        
+
                         verbose "$tid: $ident auth $auth expect $result $ktype"
                         ${SSHKEYGEN} -q -s $OBJ/user_ca_key \
                             -I "regress user key for $USER" \
@@ -342,13 +355,13 @@ test_one "principals key option no principals" failure "" \
 
 # Wrong certificate
 cat $OBJ/sshd_proxy_bak > $OBJ/sshd_proxy
-for ktype in $PLAIN_TYPES ; do 
+for ktype in $PLAIN_TYPES ; do
         t=$(kname $ktype)
         # Self-sign
         ${SSHKEYGEN} -q -s $OBJ/cert_user_key_${ktype} -I \
             "regress user key for $USER" \
             -n $USER $OBJ/cert_user_key_${ktype} ||
-                fail "couldn't sign cert_user_key_${ktype}"
+                fatal "couldn't sign cert_user_key_${ktype}"
         verbose "$tid: user ${ktype} connect wrong cert"
         ${SSH} -2i $OBJ/cert_user_key_${ktype} -F $OBJ/ssh_proxy \
             somehost true >/dev/null 2>&1
diff --git a/regress/unittests/sshkey/test_sshkey.c b/regress/unittests/sshkey/test_sshkey.c
index 1f160d1a7..1476dc2e3 100644
--- a/regress/unittests/sshkey/test_sshkey.c
+++ b/regress/unittests/sshkey/test_sshkey.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: test_sshkey.c,v 1.9 2015/12/07 02:20:46 djm Exp $ */
+/*      $OpenBSD: test_sshkey.c,v 1.10 2016/05/02 09:52:00 djm Exp $ */
 /*
  * Regress test for sshkey.h key management API
  *
@@ -455,7 +455,7 @@ sshkey_tests(void)
         put_opt(k1->cert->extensions, "permit-X11-forwarding", NULL);
         put_opt(k1->cert->extensions, "permit-agent-forwarding", NULL);
         ASSERT_INT_EQ(sshkey_from_private(k2, &k1->cert->signature_key), 0);
-        ASSERT_INT_EQ(sshkey_certify(k1, k2), 0);
+        ASSERT_INT_EQ(sshkey_certify(k1, k2, NULL), 0);
         b = sshbuf_new();
         ASSERT_PTR_NE(b, NULL);
         ASSERT_INT_EQ(sshkey_putb(k1, b), 0);