various fixes

[distro-setup] / mail-cert-cron

diff --git a/mail-cert-cron b/mail-cert-cron
index 01fb68904dcd13d44b0cbbe84f4d45835174997e..b69bc28e4913fb1333d917f3cb6ce50287ca6803 100755 (executable)
--- a/mail-cert-cron
+++ b/mail-cert-cron
@@ -25,10 +25,16 @@ trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 
 [[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
 
+interactive=false
 case $1 in
   # For first run, accept host key. Note, known_hosts is saved in /p.
   -1)
     opt=(-e 'ssh -oStrictHostKeyChecking=no')
+    shift
+    ;;
+  -i)
+    interactive=true
+    shift
     ;;
 esac
 
@@ -38,11 +44,22 @@ if [[ -e $f ]]; then
   source $f
 fi
 
+try() {
+  local ret=0
+  "$@" || ret=$?
+  if $interactive && (( ret >=1 )); then
+    echo "$0: ERROR: exit $ret on: $*"
+  fi
+}
+
+# note: when certificate is expired, you will get this in /var/log/mail.log when k-9 mail tries to fetch:
+# imap-login: Disconnected: Connection closed: SSL_accept() failed: error:0A000416:SSL routines::sslv3 alert certificate unknown: SSL alert number 46 (no auth attempts in 0 secs): user=<>, rip=redacted, lip=10.8.0.4, TLS handshaking: SSL_accept() failed: error:0A000416:SSL routines::sslv3 alert certificate unknown: SSL alert number 46, session=<EsdzzmAWosNKXpza
+
 case $HOSTNAME in
   $MAIL_HOST|bk)
     # ||: is to allow for temporary connection issues.
-    rsync "${opt[@]}" -ogtL --chown=root:Debian-exim --chmod=640 \
-          root@li.iankelling.org:/etc/letsencrypt/live/mail.iankelling.org/{fullchain.pem,privkey.pem} /etc/exim4 ||:
+    try rsync "${opt[@]}" -ogtL --chown=root:Debian-exim --chmod=640 \
+          root@li.iankelling.org:/etc/letsencrypt/live/mail.iankelling.org/{fullchain.pem,privkey.pem} /etc/exim4
     if ! openssl x509 -checkend $(( 60 * 60 * 24 * 3 )) -noout -in /etc/exim4/fullchain.pem; then
       echo "$0: error!: cert rsync failed and it will expire in less than 3 days"
       exit 1