From c874358e2d25d31f33989d317a80260033199966 Mon Sep 17 00:00:00 2001
From: Matthew Saunders Brown <msb@stackaas.com>
Date: Wed, 18 May 2022 14:37:30 -0700
Subject: [PATCH] add new vmail-forwards-mod.sh

---
 bin/vmail-forwards-mod.sh | 77 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100755 bin/vmail-forwards-mod.sh

diff --git a/bin/vmail-forwards-mod.sh b/bin/vmail-forwards-mod.sh
new file mode 100755
index 0000000..d6116c7
--- /dev/null
+++ b/bin/vmail-forwards-mod.sh
@@ -0,0 +1,77 @@
+#!/bin/bash
+#
+# vmail-stack
+# https://git.stack-source.com/msb/vmail-stack
+# MIT License Copyright (c) 2021 Matthew Saunders Brown
+
+# load include file
+source $(dirname $0)/vmail.sh
+
+help()
+{
+  thisfilename=$(basename -- "$0")
+  echo "$thisfilename"
+  echo "Modify email forward"
+  echo ""
+  echo "usage: $thisfilename -e <email> -f <forward> [-k <0|1>] [-h]"
+  echo ""
+  echo "  -h            Print this help."
+  echo "  -e <email>    Email address to forward."
+  echo "  -f <forward>  Email address to forward to."
+  echo "  -k <0|1>      Local Copy (forward & Keep local copy). 0 = no/off, 1 = yes/on. Default is 0."
+  echo ""
+  echo "                Forwarding is for delivering an email to another domain. Use aliases"
+  echo "                for directing emails to another address in the same domain."
+  echo "                'email' and 'forward' should both be in full email address format."
+  echo "                .e.g to have info@example.org delivered (forwarded) to joe@example.com do:"
+  echo "                $thisfilename -e info@example.org -f joe@example.com"
+  exit
+}
+
+vmail:getoptions "$@"
+
+# check for email
+if [[ -z $email ]]; then
+  echo "email is required"
+  exit 1
+fi
+
+# check for forward
+if [[ -z $forward ]]; then
+  echo "forward is required"
+  exit 1
+fi
+
+# build query
+dbcmd="mysql --defaults-extra-file=$MYSQL_CONNECTION_INFO_FILE"
+dbcmdopts="-s -r -N -e"
+
+# get mbox id, which also verfies that email address exists
+dbquery="SELECT vm_mboxes.id FROM vm_mboxes, vm_domains WHERE vm_mboxes.mbox='$mbox' AND vm_mboxes.domain_id=vm_domains.id AND vm_domains.domain='$domain';"
+mbox_id=`eval $dbcmd $dbcmdopts \"$dbquery\"`
+
+if [ -z $mbox_id ]; then
+  # mbox does not exist, can't create forward
+  echo "ERROR: Address to Forward ($email) does not exist."
+  exit 1
+elif [ "$mbox_id" -gt '0' ]; then
+  # verified mbox, check for existing forward
+  dbquery="SELECT id FROM vm_forwards WHERE mbox_id='$mbox_id';"
+  vm_forwards_id=`eval $dbcmd $dbcmdopts \"$dbquery\"`
+  if [ -z $vm_forwards_id ]; then
+    # existing forward does not exist, can't modify
+    echo "ERROR: Forward for $email does not exists, can't edit. Add new forward instead."
+    exit 1
+  else
+    dbquery="UPDATE vm_forwards SET forward_to='$forward'"
+    if [ ! -z $keep ]; then
+      dbquery="$dbquery, save_local='$keep'"
+    fi
+    dbquery="$dbquery WHERE mbox_id='$mbox_id'"
+    eval $dbcmd $dbcmdopts \"$dbquery\;\"
+  fi
+else
+  # db query error
+  echo "ERROR: System error querying database."
+  exit 1
+fi