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openssh/openssh-7.7p1-redhat.patch
Jakub Jelen ffb1787c07 Enclose redhat specific configuration with Match final block 
This allows users to specify options in user configuration files overwriting
the defaults we propose without ovewriting them in the shipped configuration
file and without opting out from the crypto policy altogether.

Resolves: rhbz#1438326 rhbz#1630166
2019-02-06 17:18:30 +01:00

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diff -up openssh-7.7p1/ssh_config.redhat openssh-7.7p1/ssh_config
--- openssh-7.7p1/ssh_config.redhat 2018-04-02 07:38:28.000000000 +0200
+++ openssh-7.7p1/ssh_config 2018-07-03 10:44:06.522245125 +0200
@@ -44,3 +44,7 @@
# VisualHostKey no
# ProxyCommand ssh -q -W %h:%p gateway.example.com
# RekeyLimit 1G 1h
+#
+# To modify the system-wide ssh configuration, create a *.conf file under
+# /etc/ssh/ssh_config.d/ which will be automatically included below
+Include /etc/ssh/ssh_config.d/*.conf
diff -up openssh-7.7p1/ssh_config_redhat.redhat openssh-7.7p1/ssh_config_redhat
--- openssh-7.7p1/ssh_config_redhat.redhat 2018-07-03 10:44:06.522245125 +0200
+++ openssh-7.7p1/ssh_config_redhat 2018-07-03 10:44:06.522245125 +0200
@@ -0,0 +1,21 @@
+# The options here are in the "Match final block" to be applied as the last
+# options and could be potentially overwritten by the user configuration
+Match final all
+ # Follow system-wide Crypto Policy, if defined:
+ Include /etc/crypto-policies/back-ends/openssh.config
+
+ GSSAPIAuthentication yes
+
+# If this option is set to yes then remote X11 clients will have full access
+# to the original X11 display. As virtually no X11 client supports the untrusted
+# mode correctly we set this to yes.
+ ForwardX11Trusted yes
+
+# Send locale-related environment variables
+ SendEnv LANG LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES
+ SendEnv LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT
+ SendEnv LC_IDENTIFICATION LC_ALL LANGUAGE
+ SendEnv XMODIFIERS
+
+# Uncomment this if you want to use .local domain
+# Host *.local
+# CheckHostIP no
diff -up openssh-7.7p1/sshd_config.0.redhat openssh-7.7p1/sshd_config.0
--- openssh-7.7p1/sshd_config.0.redhat 2018-04-02 07:39:27.000000000 +0200
+++ openssh-7.7p1/sshd_config.0 2018-07-03 10:44:06.523245133 +0200
@@ -872,9 +872,9 @@ DESCRIPTION
SyslogFacility
Gives the facility code that is used when logging messages from
- sshd(8). The possible values are: DAEMON, USER, AUTH, LOCAL0,
- LOCAL1, LOCAL2, LOCAL3, LOCAL4, LOCAL5, LOCAL6, LOCAL7. The
- default is AUTH.
+ sshd(8). The possible values are: DAEMON, USER, AUTH, AUTHPRIV,
+ LOCAL0, LOCAL1, LOCAL2, LOCAL3, LOCAL4, LOCAL5, LOCAL6, LOCAL7.
+ The default is AUTH.
TCPKeepAlive
Specifies whether the system should send TCP keepalive messages
diff -up openssh-7.7p1/sshd_config.5.redhat openssh-7.7p1/sshd_config.5
--- openssh-7.7p1/sshd_config.5.redhat 2018-04-02 07:38:28.000000000 +0200
+++ openssh-7.7p1/sshd_config.5 2018-07-03 10:44:06.523245133 +0200
@@ -1461,7 +1461,7 @@ By default no subsystems are defined.
.It Cm SyslogFacility
Gives the facility code that is used when logging messages from
.Xr sshd 8 .
-The possible values are: DAEMON, USER, AUTH, LOCAL0, LOCAL1, LOCAL2,
+The possible values are: DAEMON, USER, AUTH, AUTHPRIV, LOCAL0, LOCAL1, LOCAL2,
LOCAL3, LOCAL4, LOCAL5, LOCAL6, LOCAL7.
The default is AUTH.
.It Cm TCPKeepAlive
diff -up openssh-7.7p1/sshd_config.redhat openssh-7.7p1/sshd_config
--- openssh-7.7p1/sshd_config.redhat 2018-04-02 07:38:28.000000000 +0200
+++ openssh-7.7p1/sshd_config 2018-07-03 10:45:16.950782466 +0200
@@ -10,20 +10,34 @@
# possible, but leave them commented. Uncommented options override the
# default value.
+# If you want to change the port on a SELinux system, you have to tell
+# SELinux about this change.
+# semanage port -a -t ssh_port_t -p tcp #PORTNUMBER
+#
#Port 22
#AddressFamily any
#ListenAddress 0.0.0.0
#ListenAddress ::
-#HostKey /etc/ssh/ssh_host_rsa_key
-#HostKey /etc/ssh/ssh_host_ecdsa_key
-#HostKey /etc/ssh/ssh_host_ed25519_key
+HostKey /etc/ssh/ssh_host_rsa_key
+HostKey /etc/ssh/ssh_host_ecdsa_key
+HostKey /etc/ssh/ssh_host_ed25519_key
# Ciphers and keying
#RekeyLimit default none
+# System-wide Crypto policy:
+# This system is following system-wide crypto policy. The changes to
+# Ciphers, MACs, KexAlgoritms and GSSAPIKexAlgorithsm will not have any
+# effect here. They will be overridden by command-line options passed on
+# the server start up.
+# To opt out, uncomment a line with redefinition of CRYPTO_POLICY=
+# variable in /etc/sysconfig/sshd to overwrite the policy.
+# For more information, see manual page for update-crypto-policies(8).
+
# Logging
#SyslogFacility AUTH
+SyslogFacility AUTHPRIV
#LogLevel INFO
# Authentication:
@@ -56,9 +70,11 @@ AuthorizedKeysFile .ssh/authorized_keys
# To disable tunneled clear text passwords, change to no here!
#PasswordAuthentication yes
#PermitEmptyPasswords no
+PasswordAuthentication yes
# Change to no to disable s/key passwords
#ChallengeResponseAuthentication yes
+ChallengeResponseAuthentication no
# Kerberos options
#KerberosAuthentication no
@@ -67,8 +83,8 @@ AuthorizedKeysFile .ssh/authorized_keys
#KerberosGetAFSToken no
# GSSAPI options
-#GSSAPIAuthentication no
-#GSSAPICleanupCredentials yes
+GSSAPIAuthentication yes
+GSSAPICleanupCredentials no
# Set this to 'yes' to enable PAM authentication, account processing,
# and session processing. If this is enabled, PAM authentication will
@@ -79,16 +95,20 @@ AuthorizedKeysFile .ssh/authorized_keys
# If you just want the PAM account and session checks to run without
# PAM authentication, then enable this but set PasswordAuthentication
# and ChallengeResponseAuthentication to 'no'.
-#UsePAM no
+UsePAM yes
#AllowAgentForwarding yes
#AllowTcpForwarding yes
#GatewayPorts no
-#X11Forwarding no
+X11Forwarding yes
#X11DisplayOffset 10
#X11UseLocalhost yes
#PermitTTY yes
-#PrintMotd yes
+
+# It is recommended to use pam_motd in /etc/pam.d/sshd instead of PrintMotd,
+# as it is more configurable and versatile than the built-in version.
+PrintMotd no
+
#PrintLastLog yes
#TCPKeepAlive yes
#PermitUserEnvironment no
@@ -106,6 +126,12 @@ AuthorizedKeysFile .ssh/authorized_keys
# no default banner path
#Banner none
+# Accept locale-related environment variables
+AcceptEnv LANG LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES
+AcceptEnv LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT
+AcceptEnv LC_IDENTIFICATION LC_ALL LANGUAGE
+AcceptEnv XMODIFIERS
+
# override default of no subsystems
Subsystem sftp /usr/libexec/sftp-server
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