diff options
Diffstat (limited to 'openssh-8.7p1-negotiate-supported-algs.patch')
-rw-r--r-- | openssh-8.7p1-negotiate-supported-algs.patch | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/openssh-8.7p1-negotiate-supported-algs.patch b/openssh-8.7p1-negotiate-supported-algs.patch deleted file mode 100644 index ee3637f..0000000 --- a/openssh-8.7p1-negotiate-supported-algs.patch +++ /dev/null @@ -1,117 +0,0 @@ -diff -up openssh-9.3p1/regress/hostkey-agent.sh.xxx openssh-9.3p1/regress/hostkey-agent.sh ---- openssh-9.3p1/regress/hostkey-agent.sh.xxx 2023-05-29 18:15:56.311236887 +0200 -+++ openssh-9.3p1/regress/hostkey-agent.sh 2023-05-29 18:16:07.598503551 +0200 -@@ -17,8 +17,21 @@ trace "make CA key" - - ${SSHKEYGEN} -qt ed25519 -f $OBJ/agent-ca -N '' || fatal "ssh-keygen CA" - -+PUBKEY_ACCEPTED_ALGOS=`$SSH -G "example.com" | \ -+ grep -i "PubkeyAcceptedAlgorithms" | cut -d ' ' -f2- | tr "," "|"` -+SSH_ACCEPTED_KEYTYPES=`echo "$SSH_KEYTYPES" | egrep "$PUBKEY_ACCEPTED_ALGOS"` -+echo $PUBKEY_ACCEPTED_ALGOS | grep "rsa" -+r=$? -+if [ $r == 0 ]; then -+echo $SSH_ACCEPTED_KEYTYPES | grep "rsa" -+r=$? -+if [ $r -ne 0 ]; then -+SSH_ACCEPTED_KEYTYPES="$SSH_ACCEPTED_KEYTYPES ssh-rsa" -+fi -+fi -+ - trace "load hostkeys" --for k in $SSH_KEYTYPES ; do -+for k in $SSH_ACCEPTED_KEYTYPES ; do - ${SSHKEYGEN} -qt $k -f $OBJ/agent-key.$k -N '' || fatal "ssh-keygen $k" - ${SSHKEYGEN} -s $OBJ/agent-ca -qh -n localhost-with-alias \ - -I localhost-with-alias $OBJ/agent-key.$k.pub || \ -@@ -32,12 +48,16 @@ rm $OBJ/agent-ca # Don't need CA private - - unset SSH_AUTH_SOCK - --for k in $SSH_KEYTYPES ; do -+for k in $SSH_ACCEPTED_KEYTYPES ; do - verbose "key type $k" -+ hka=$k -+ if [ $k = "ssh-rsa" ]; then -+ hka="rsa-sha2-512" -+ fi - cp $OBJ/sshd_proxy.orig $OBJ/sshd_proxy -- echo "HostKeyAlgorithms $k" >> $OBJ/sshd_proxy -+ echo "HostKeyAlgorithms $hka" >> $OBJ/sshd_proxy - echo "Hostkey $OBJ/agent-key.${k}" >> $OBJ/sshd_proxy -- opts="-oHostKeyAlgorithms=$k -F $OBJ/ssh_proxy" -+ opts="-oHostKeyAlgorithms=$hka -F $OBJ/ssh_proxy" - ( printf 'localhost-with-alias,127.0.0.1,::1 ' ; - cat $OBJ/agent-key.$k.pub) > $OBJ/known_hosts - SSH_CONNECTION=`${SSH} $opts host 'echo $SSH_CONNECTION'` -@@ -50,15 +70,16 @@ for k in $SSH_KEYTYPES ; do - done - - SSH_CERTTYPES=`ssh -Q key-sig | grep 'cert-v01@openssh.com'` -+SSH_ACCEPTED_CERTTYPES=`echo "$SSH_CERTTYPES" | egrep "$PUBKEY_ACCEPTED_ALGOS"` - - # Prepare sshd_proxy for certificates. - cp $OBJ/sshd_proxy.orig $OBJ/sshd_proxy - HOSTKEYALGS="" --for k in $SSH_CERTTYPES ; do -+for k in $SSH_ACCEPTED_CERTTYPES ; do - test -z "$HOSTKEYALGS" || HOSTKEYALGS="${HOSTKEYALGS}," - HOSTKEYALGS="${HOSTKEYALGS}${k}" - done --for k in $SSH_KEYTYPES ; do -+for k in $SSH_ACCEPTED_KEYTYPES ; do - echo "Hostkey $OBJ/agent-key.${k}.pub" >> $OBJ/sshd_proxy - echo "HostCertificate $OBJ/agent-key.${k}-cert.pub" >> $OBJ/sshd_proxy - test -f $OBJ/agent-key.${k}.pub || fatal "no $k key" -@@ -70,7 +93,7 @@ echo "HostKeyAlgorithms $HOSTKEYALGS" >> - ( printf '@cert-authority localhost-with-alias ' ; - cat $OBJ/agent-ca.pub) > $OBJ/known_hosts - --for k in $SSH_CERTTYPES ; do -+for k in $SSH_ACCEPTED_CERTTYPES ; do - verbose "cert type $k" - opts="-oHostKeyAlgorithms=$k -F $OBJ/ssh_proxy" - SSH_CONNECTION=`${SSH} $opts host 'echo $SSH_CONNECTION'` -diff -up openssh-9.3p1/sshconnect2.c.xxx openssh-9.3p1/sshconnect2.c ---- openssh-9.3p1/sshconnect2.c.xxx 2023-04-26 17:37:35.100827792 +0200 -+++ openssh-9.3p1/sshconnect2.c 2023-04-26 17:50:31.860748877 +0200 -@@ -221,7 +221,7 @@ ssh_kex2(struct ssh *ssh, char *host, st - const struct ssh_conn_info *cinfo) - { - char *myproposal[PROPOSAL_MAX]; -- char *s, *all_key, *hkalgs = NULL; -+ char *s, *all_key, *hkalgs = NULL, *filtered_algs = NULL; - int r, use_known_hosts_order = 0; - - #if defined(GSSAPI) && defined(WITH_OPENSSL) -@@ -260,9 +260,21 @@ ssh_kex2(struct ssh *ssh, char *host, st - if (use_known_hosts_order) - hkalgs = order_hostkeyalgs(host, hostaddr, port, cinfo); - -+ filtered_algs = hkalgs ? match_filter_allowlist(hkalgs, options.pubkey_accepted_algos) -+ : match_filter_allowlist(options.hostkeyalgorithms, -+ options.pubkey_accepted_algos); -+ if (filtered_algs == NULL) { -+ if (hkalgs) -+ fatal_f("No match between algorithms for %s (host %s) and pubkey accepted algorithms %s", -+ hkalgs, host, options.pubkey_accepted_algos); -+ else -+ fatal_f("No match between host key algorithms %s and pubkey accepted algorithms %s", -+ options.hostkeyalgorithms, options.pubkey_accepted_algos); -+ } -+ - kex_proposal_populate_entries(ssh, myproposal, s, options.ciphers, - options.macs, compression_alg_list(options.compression), -- hkalgs ? hkalgs : options.hostkeyalgorithms); -+ filtered_algs); - - #if defined(GSSAPI) && defined(WITH_OPENSSL) - if (options.gss_keyex) { -@@ -303,6 +315,7 @@ ssh_kex2(struct ssh *ssh, char *host, st - #endif - - free(hkalgs); -+ free(filtered_algs); - - /* start key exchange */ - if ((r = kex_setup(ssh, myproposal)) != 0) |