1 files changed, 115 insertions, 0 deletions

diff --git a/debian/openssh-client.postinst b/debian/openssh-client.postinst
new file mode 100644
index 000000000..cff282d70
--- /dev/null
+++ b/debian/openssh-client.postinst
@@ -0,0 +1,115 @@
+#!/bin/sh -e
+
+action="$1"
+oldversion="$2"
+
+. /usr/share/debconf/confmodule
+db_version 2.0
+
+umask 022
+
+if [ "$action" != configure ]
+  then
+  exit 0
+fi
+
+
+fix_rsh_diversion() {
+# get rid of mistaken rsh diversion (circa 1.2.27-1)
+
+        if [ -L /usr/bin/rsh ] &&
+                dpkg-divert --list '/usr/bin/rsh.real/rsh' | grep -q ' ssh$' ; then
+                for cmd in rlogin  rsh rcp ; do
+                        [ -L /usr/bin/$cmd ] && rm /usr/bin/$cmd
+                        dpkg-divert --package ssh --remove --rename \
+                                --divert /usr/bin/rsh.real/$cmd /usr/bin/$cmd
+
+                        [ -L /usr/man/man1/$cmd.1.gz ] && rm /usr/man/man1/$$cmd.1.gz
+                        dpkg-divert --package ssh --remove --rename \
+                                --divert /usr/man/man1/$cmd.real.1.gz /usr/man/man1/$cmd.1.gz
+                done
+
+                rmdir /usr/bin/rsh.real
+        fi
+}
+
+create_alternatives() {
+# Create alternatives for the various r* tools.
+# Make sure we don't change existing alternatives that a user might have
+# changed, but clean up after some old alternatives that mistakenly pointed
+# rlogin and rcp to ssh.
+        update-alternatives --quiet --remove rlogin /usr/bin/ssh
+        update-alternatives --quiet --remove rcp /usr/bin/ssh
+        for cmd in rsh rlogin rcp; do
+                scmd="s${cmd#r}"
+                if ! update-alternatives --display "$cmd" 2>/dev/null | \
+                                grep -q "$scmd"; then
+                        update-alternatives --quiet --install "/usr/bin/$cmd" "$cmd" "/usr/bin/$scmd" 20 \
+                                --slave "/usr/share/man/man1/$cmd.1.gz" "$cmd.1.gz" "/usr/share/man/man1/$scmd.1.gz"
+                fi
+        done
+}
+
+set_ssh_permissions() {
+        if dpkg --compare-versions "$oldversion" lt-nl 1:3.4p1-1 ; then
+            if [ -x /usr/sbin/dpkg-statoverride ] ; then
+                if dpkg-statoverride --list /usr/bin/ssh >/dev/null; then
+                    dpkg-statoverride --remove /usr/bin/ssh >/dev/null
+                fi 
+            fi
+        fi
+
+        # libexecdir changed, so migrate old statoverrides.
+        if [ -x /usr/sbin/dpkg-statoverride ] &&
+            override="$(dpkg-statoverride --list /usr/lib/ssh-keysign)"; then
+                override_user="${override%% *}"
+                override="${override#* }"
+                override_group="${override%% *}"
+                override="${override#* }"
+                override_mode="${override%% *}"
+                if dpkg-statoverride --update --add \
+                    "$override_user" "$override_group" "$override_mode" \
+                    /usr/lib/openssh/ssh-keysign; then
+                        dpkg-statoverride --remove /usr/lib/ssh-keysign || true
+                fi
+        fi
+}
+
+fix_ssh_group() {
+        # Try to remove non-system group mistakenly created by 1:3.5p1-1.
+        # set_ssh_agent_permissions() below will re-create it properly.
+        if getent group ssh >/dev/null; then
+                delgroup --quiet ssh || true
+        fi
+}
+
+set_ssh_agent_permissions() {
+        if ! getent group ssh >/dev/null; then
+                addgroup --system --quiet ssh
+        fi
+        if ! [ -x /usr/sbin/dpkg-statoverride ] || \
+            ! dpkg-statoverride --list /usr/bin/ssh-agent >/dev/null ; then
+                chgrp ssh /usr/bin/ssh-agent
+                chmod 2755 /usr/bin/ssh-agent
+        fi
+}
+
+commit_transfer_conffile () {
+        CONFFILE="$1"
+        if [ -e "$CONFFILE.moved-by-preinst" ]; then
+                rm -f "$CONFFILE.moved-by-preinst"
+        fi
+}
+
+
+fix_rsh_diversion
+create_alternatives
+set_ssh_permissions
+if [ "$2" = "1:3.5p1-1" ]; then
+    fix_ssh_group
+fi
+set_ssh_agent_permissions
+commit_transfer_conffile /etc/ssh/moduli
+commit_transfer_conffile /etc/ssh/ssh_config
+
+exit 0