uklanja kludge, popravlja varijablu ssl_min_protocol

[dovecot-cn.git] / debian / postinst

diff --git a/debian/postinst b/debian/postinst
index dd1bf13..18fd1cf 100755 (executable)
--- a/debian/postinst
+++ b/debian/postinst
@@ -1,4 +1,6 @@
-#!/bin/sh -e
+#!/bin/sh
+
+set -e
 
 [ "$1" = "configure" ] || exit 0
 [ "$DEBIAN_SCRIPT_DEBUG" ] && set -vx
@@ -31,7 +33,12 @@ cp_check_and_sed 'pop3_client_workarounds' \
                 /etc/dovecot/conf.d/20-pop3.conf || true
 
 cp_check_and_sed '#ssl_cipher_list' \
-                 's/#ssl_cipher_list.*/ssl_cipher_list = ALL:!aNULL:!eNULL:!ADH!LOW:!MEDIUM:!EXP:!SSLv2:HIGH/g' \
+                 's/#ssl_cipher_list.*/ssl_cipher_list = ALL:!aNULL:!eNULL:!ADH!LOW:!MEDIUM:!EXP:HIGH/g' \
+                /etc/dovecot/conf.d/10-ssl.conf || true
+
+# izbacujemo SSLv2
+cp_check_and_sed 'ssl_cipher_list' \
+                 's/:\!SSLv2//g' \
                 /etc/dovecot/conf.d/10-ssl.conf || true
 
 # trazio zelja
@@ -58,14 +65,64 @@ if ! grep -q ^ssl_cert /etc/dovecot/conf.d/10-ssl.conf \
   cp_check_and_sed '#ssl_key = </etc/dovecot/private/dovecot.pem' \
                   's|#ssl_key = </etc/dovecot/private/dovecot.pem|ssl_key = </etc/dovecot/private/dovecot.pem|g' \
                   /etc/dovecot/conf.d/10-ssl.conf || true
+  # negdje se pojavljuje dovecot.key umjesto dovecot.pem
+  cp_check_and_sed 'ssl_key = </etc/dovecot/private/dovecot.key' \
+                  's|ssl_key = </etc/dovecot/private/dovecot.key|ssl_key = </etc/dovecot/private/dovecot.pem|g' \
+                  /etc/dovecot/conf.d/10-ssl.conf || true
 fi
 
+### buster ima ssl_min_protocol umjesto ssl_protocols
+# ne radimo ništa ako već postoji ^ssl_min_protocol = TLS*, možda je sistemac smanjivao level TLS-a
+
+if ! grep -q "^ssl_min_protocol = TLS"; then
+       # postavlja minimalni TLS protokol i mijenja ime varijable
+       cp_check_and_sed '#ssl_protocols =' \
+                        's/^#ssl_protocols.*/ssl_min_protocol = TLSv1.2/g' \
+                        /etc/dovecot/conf.d/10-ssl.conf || true
+
+       # postavlja minimalni TLS protokol ako je varijabla već uključena
+       cp_check_and_sed 'ssl_protocols =' \
+                        's/^ssl_protocols.*/ssl_min_protocol = TLSv1.2/g' \
+                        /etc/dovecot/conf.d/10-ssl.conf || true
+
+       # samo popravlja inačicu protokola i uključuje varijablu
+       cp_check_and_sed '#ssl_min_protocol =' \
+                        's/^#ssl_min_protocol.*/ssl_min_protocol = TLSv1.2/g' \
+                        /etc/dovecot/conf.d/10-ssl.conf || true
+
+       # popravlja inačicu protokola ako je varijabla već uključena (ako je zaostao SSLv2 i SSLv3)
+       cp_check_and_sed 'ssl_min_protocol =' \
+                        's/^ssl_min_protocol.*/ssl_min_protocol = TLSv1.2/g' \
+                        /etc/dovecot/conf.d/10-ssl.conf || true
+fi
 
-
-# dodao ico, gasi stare SSL protokole
-cp_check_and_sed '#ssl_protocols =' \
-                's/^#ssl_protocols.*/ssl_protocols = !SSLv2 !SSLv3/g' \
-                /etc/dovecot/conf.d/10-ssl.conf || true
+# maknuti kludge kreiran u carnet-upgrade
+echo "CN: Prebacujem stare konfiguracije za dovecot 95-cn#-upgrade.conf u /var/backups..."
+test -f /etc/dovecot/conf.d/95-cn6-upgrade.conf && mv /etc/dovecot/conf.d/95-cn6-upgrade.conf /var/backups || true
+test -f /etc/dovecot/conf.d/95-cn7-upgrade.conf && mv /etc/dovecot/conf.d/95-cn7-upgrade.conf /var/backups || true
+test -f /etc/dovecot/conf.d/95-cn8-upgrade.conf && mv /etc/dovecot/conf.d/95-cn8-upgrade.conf /var/backups || true
+test -f /etc/dovecot/conf.d/95-cn9-upgrade.conf && mv /etc/dovecot/conf.d/95-cn9-upgrade.conf /var/backups || true
+
+# staro, može se brisati
+# dodao ico, gasi SSLv3 protokol
+#cp_check_and_sed '#ssl_protocols =' \
+#               's/^#ssl_protocols.*/ssl_protocols = !SSLv3/g' \
+#               /etc/dovecot/conf.d/10-ssl.conf || true
+
+# dodao zelja, gasi stare SSL protokole
+#cp_check_and_sed 'ssl_protocols =' \
+#               's/\!SSLv2 //g' \
+#               /etc/dovecot/conf.d/10-ssl.conf || true
+
+# dodao zelja, gasi stare SSL protokole/ciphere u 95-cn9-upgrade.conf ako postoje
+#if [ -f /etc/dovecot/conf.d/95-cn9-upgrade.conf ]; then
+#      cp_check_and_sed 'ssl_protocols =' \
+#                       's/\!SSLv2 //g' \
+#                       /etc/dovecot/conf.d/95-cn9-upgrade.conf || true
+#      cp_check_and_sed 'ssl_cipher_list' \
+#                       's/:\!SSLv2//g' \
+#                       /etc/dovecot/conf.d/95-cn9-upgrade.conf || true
+#fi
 
 # restart 
 service dovecot restart || true