[oe-commits] [openembedded-core] 01/08: openssh: drop sshd support for DSA host keys

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rpurdie pushed a commit to branch master-next
in repository openembedded-core.

commit 3c83a5eb06669620406d38bf3882da0458f9b0f4
Author: Andre McCurdy <armccurdy at gmail.com>
AuthorDate: Fri May 25 15:07:20 2018 -0700

    openssh: drop sshd support for DSA host keys
    
    DSA keys have been deprecated for some time:
    
      https://www.gentoo.org/support/news-items/2015-08-13-openssh-weak-keys.html
    
    Signed-off-by: Andre McCurdy <armccurdy at gmail.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/recipes-connectivity/openssh/openssh/sshd_check_keys | 8 --------
 meta/recipes-connectivity/openssh/openssh/sshd_config     | 1 -
 meta/recipes-connectivity/openssh/openssh_7.7p1.bb        | 1 -
 3 files changed, 10 deletions(-)

diff --git a/meta/recipes-connectivity/openssh/openssh/sshd_check_keys b/meta/recipes-connectivity/openssh/openssh/sshd_check_keys
index 5463b1a..be2e2ec 100644
--- a/meta/recipes-connectivity/openssh/openssh/sshd_check_keys
+++ b/meta/recipes-connectivity/openssh/openssh/sshd_check_keys
@@ -60,9 +60,6 @@ done
 HOST_KEY_RSA=$(grep ^HostKey "${sshd_config}" | grep _rsa_ | tail -1 | awk ' { print $2 } ')
 [ -z "${HOST_KEY_RSA}" ] && HOST_KEY_RSA=$(grep HostKey "${sshd_config}" | grep _rsa_ | tail -1 | awk ' { print $2 } ')
 [ -z "${HOST_KEY_RSA}" ] && HOST_KEY_RSA=$SYSCONFDIR/ssh_host_rsa_key
-HOST_KEY_DSA=$(grep ^HostKey "${sshd_config}" | grep _dsa_ | tail -1 | awk ' { print $2 } ')
-[ -z "${HOST_KEY_DSA}" ] && HOST_KEY_DSA=$(grep HostKey "${sshd_config}" | grep _dsa_ | tail -1 | awk ' { print $2 } ')
-[ -z "${HOST_KEY_DSA}" ] && HOST_KEY_DSA=$SYSCONFDIR/ssh_host_dsa_key
 HOST_KEY_ECDSA=$(grep ^HostKey "${sshd_config}" | grep _ecdsa_ | tail -1 | awk ' { print $2 } ')
 [ -z "${HOST_KEY_ECDSA}" ] && HOST_KEY_ECDSA=$(grep HostKey "${sshd_config}" | grep _ecdsa_ | tail -1 | awk ' { print $2 } ')
 [ -z "${HOST_KEY_ECDSA}" ] && HOST_KEY_ECDSA=$SYSCONFDIR/ssh_host_ecdsa_key
@@ -79,12 +76,7 @@ if [ ! -f $HOST_KEY_ECDSA ]; then
     echo "  generating ssh ECDSA key..."
     generate_key $HOST_KEY_ECDSA ecdsa
 fi
-if [ ! -f $HOST_KEY_DSA ]; then
-    echo "  generating ssh DSA key..."
-    generate_key $HOST_KEY_DSA dsa
-fi
 if [ ! -f $HOST_KEY_ED25519 ]; then
     echo "  generating ssh ED25519 key..."
     generate_key $HOST_KEY_ED25519 ed25519
 fi
-
diff --git a/meta/recipes-connectivity/openssh/openssh/sshd_config b/meta/recipes-connectivity/openssh/openssh/sshd_config
index 31fe5d9..b7c3ccd 100644
--- a/meta/recipes-connectivity/openssh/openssh/sshd_config
+++ b/meta/recipes-connectivity/openssh/openssh/sshd_config
@@ -22,7 +22,6 @@ Protocol 2
 #HostKey /etc/ssh/ssh_host_key
 # HostKeys for protocol version 2
 #HostKey /etc/ssh/ssh_host_rsa_key
-#HostKey /etc/ssh/ssh_host_dsa_key
 #HostKey /etc/ssh/ssh_host_ecdsa_key
 #HostKey /etc/ssh/ssh_host_ed25519_key
 
diff --git a/meta/recipes-connectivity/openssh/openssh_7.7p1.bb b/meta/recipes-connectivity/openssh/openssh_7.7p1.bb
index 691dec6..7b6ee5c 100644
--- a/meta/recipes-connectivity/openssh/openssh_7.7p1.bb
+++ b/meta/recipes-connectivity/openssh/openssh_7.7p1.bb
@@ -110,7 +110,6 @@ do_install_append () {
 	install -m 644 ${D}${sysconfdir}/ssh/sshd_config ${D}${sysconfdir}/ssh/sshd_config_readonly
 	sed -i '/HostKey/d' ${D}${sysconfdir}/ssh/sshd_config_readonly
 	echo "HostKey /var/run/ssh/ssh_host_rsa_key" >> ${D}${sysconfdir}/ssh/sshd_config_readonly
-	echo "HostKey /var/run/ssh/ssh_host_dsa_key" >> ${D}${sysconfdir}/ssh/sshd_config_readonly
 	echo "HostKey /var/run/ssh/ssh_host_ecdsa_key" >> ${D}${sysconfdir}/ssh/sshd_config_readonly
 	echo "HostKey /var/run/ssh/ssh_host_ed25519_key" >> ${D}${sysconfdir}/ssh/sshd_config_readonly
 

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