From 38d9a6700d7248f523c8c9d056f1470f99eb7eef Mon Sep 17 00:00:00 2001
From: Zeljko Boros <Zeljko.Boros@carnet.hr>
Date: Sun, 23 May 2021 20:53:30 +0200
Subject: [PATCH] velike izmjene u postinstu i mkcert.sh zbog TLS putanja iz
 bustera

---
 debian/postinst |   85 +++++++++++++++++++++++++++++++++++++++++++------------
 mkcert.sh       |   12 ++++----
 2 files changed, 73 insertions(+), 24 deletions(-)

diff --git a/debian/postinst b/debian/postinst
index e02759c..b9202d1 100755
--- a/debian/postinst
+++ b/debian/postinst
@@ -8,6 +8,40 @@ set -e
 # Load CARNet Tools
 . /usr/share/carnet-tools/functions.sh
 
+
+function move_certs() {
+        if [ -f /etc/dovecot/private/dovecot.pem -a ! -f /etc/dovecot/private/dovecot.key ]; then
+                mv -f /etc/dovecot/private/dovecot.pem /etc/dovecot/private/dovecot.key || true
+        fi
+
+        if [ -f /etc/dovecot/dovecot.pem ]; then
+                mv -f /etc/dovecot/dovecot.pem /etc/dovecot/private/dovecot.pem || true
+        fi
+}
+
+function put_new_certs() {
+# postavlja cert i key na nove putanje iz bustera
+  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.key|g' \
+                   /etc/dovecot/conf.d/10-ssl.conf || true
+  cp_check_and_sed '#ssl_cert = </etc/dovecot/dovecot.pem' \
+                   's|#ssl_cert = </etc/dovecot/dovecot.pem|ssl_cert = </etc/dovecot/private/dovecot.pem|g' \
+                   /etc/dovecot/conf.d/10-ssl.conf || true
+  cp_check_and_sed 'ssl_cert = </etc/dovecot/dovecot.pem' \
+                   's|ssl_cert = </etc/dovecot/dovecot.pem|ssl_cert = </etc/dovecot/private/dovecot.pem|g' \
+                   /etc/dovecot/conf.d/10-ssl.conf || true
+  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.key|g' \
+                   /etc/dovecot/conf.d/10-ssl.conf || true
+  cp_check_and_sed '#ssl_cert = </etc/dovecot/private/dovecot.pem' \
+                   's|#ssl_cert = </etc/dovecot/private/dovecot.pem|ssl_cert = </etc/dovecot/private/dovecot.pem|g' \
+                   /etc/dovecot/conf.d/10-ssl.conf || true
+  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.key|g' \
+                   /etc/dovecot/conf.d/10-ssl.conf || true
+}
+
+
 cp_check_and_sed '#disable_plaintext_auth' \
                  's/#disable_plaintext_auth/disable_plaintext_auth/g' \
 		 /etc/dovecot/conf.d/10-auth.conf || true
@@ -16,7 +50,7 @@ cp_check_and_sed 'disable_plaintext_auth.*yes' \
                  's/disable_plaintext_auth.*$/disable_plaintext_auth = no/g' \
 		 /etc/dovecot/conf.d/10-auth.conf || true
 
-if ! grep -q "mail_privileged_group.*mail$" /etc/dovecot/conf.d/10-mail.conf \
+if ! grep -q "mail_privileged_group.*mail$" /etc/dovecot/conf.d/10-mail.conf; then
 	cp_check_and_sed 'mail_privileged_group' \
 	                 's/mail_privileged_group.*$/mail_privileged_group = mail/g' \
 			 /etc/dovecot/conf.d/10-mail.conf || true
@@ -57,26 +91,41 @@ cp_check_and_sed 'ssl = no' \
 		 's/^ssl = no/ssl = yes/g' \
 		 /etc/dovecot/conf.d/10-ssl.conf || true
 
-if ! grep -q ^ssl_cert /etc/dovecot/conf.d/10-ssl.conf \
-  && ! grep -q ^ssl_key /etc/dovecot/conf.d/10-ssl.conf; then
-
-  if [ ! -f /etc/dovecot/dovecot.pem -a ! -f /etc/dovecot/private/dovecot.pem ]; then
-    echo "CN: Generating certificate and key..."
-    /usr/share/dovecot-cn/mkcert.sh || true
-  fi
 
-  cp_check_and_sed '#ssl_cert = </etc/dovecot/dovecot.pem' \
-		   's|#ssl_cert = </etc/dovecot/dovecot.pem|ssl_cert = </etc/dovecot/dovecot.pem|g' \
-		   /etc/dovecot/conf.d/10-ssl.conf || true
-  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
+dovecert="$(doveconf ssl_cert)"
+dovekey="$(doveconf ssl_key)"
+
+if [ -n "$dovecert" -a -n "$dovekey" ]; then
+        echo -n "CN: Opcije ssl_cert i ssl_key su pronađene"
+
+        cfile=$(grep -l ^ssl_cert /etc/dovecot/conf.d/*.conf | tail -1)
+        kfile=$(grep -l ^ssl_key /etc/dovecot/conf.d/*.conf | tail -1)
+
+        if grep -q ^ssl_cert $cfile && grep -q ^ssl_key $kfile; then
+                if [ "$cfile" != "/etc/dovecot/conf.d/10-ssl.conf" -o "$kfile" != "/etc/dovecot/conf.d/10-ssl.conf" ]; then
+                        echo " izvan 10-ssl.conf (u $cfile), preskačem rekonfiguraciju..."
+                else
+                        echo " u /etc/dovecot/conf.d/10-ssl.conf. Postavljam default vrijednosti iz Debiana 10..."
+                        put_new_certs
+                        move_certs
+                fi
+        fi
+else
+        echo "CN: ssl_cert i ssl_key nisu definirani, postavljam default vrijednosti iz Debiana 10!"
+        # ako postoji,  pomaknut ćemo stari certifikat na novo mjesto i preimenovati kljuc
+        # ako ne postoje certifikati generiraj ih i postavi na prava mjesta
+
+        move_certs
+
+        if [ ! -f /etc/dovecot/private/dovecot.pem -a ! -f /etc/dovecot/private/dovecot.key ]; then
+            echo "CN: Pravim certifikat i kljuc i postavljam ih u /etc/dovecot/private..."
+            /usr/share/dovecot-cn/mkcert.sh || true
+        fi  
+        put_new_certs
 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
 
diff --git a/mkcert.sh b/mkcert.sh
index 3689b17..8a38b5f 100755
--- a/mkcert.sh
+++ b/mkcert.sh
@@ -2,24 +2,24 @@
 
 # Generates a self-signed certificate.
 # Edit dovecot-openssl.cnf before running this.
+# edit by Zeljko Boros
 
 umask 077
 OPENSSL=${OPENSSL-openssl}
 SSLDIR=${SSLDIR-/etc/ssl}
 OPENSSLCONFIG=${OPENSSLCONFIG-/usr/share/dovecot-cn/dovecot-openssl.cnf}
 
-CERTDIR=/etc/dovecot
-KEYDIR=/etc/dovecot/private
+CERTKEYDIR=/etc/dovecot/private
 
-CERTFILE=$CERTDIR/dovecot.pem
-KEYFILE=$KEYDIR/dovecot.pem
+CERTFILE=$CERTKEYDIR/dovecot.pem
+KEYFILE=$CERTKEYDIR/dovecot.key
 
-if [ ! -d $CERTDIR ]; then
+if [ ! -d $CERTKEYDIR ]; then
   echo "$SSLDIR/certs directory doesn't exist"
   exit 1
 fi
 
-if [ ! -d $KEYDIR ]; then
+if [ ! -d $CERTKEYDIR ]; then
   echo "$SSLDIR/private directory doesn't exist"
   exit 1
 fi
-- 
1.7.10.4