vmail-stack/bin/vmail-forwards-add.sh

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#!/bin/bash
#
# vmail-stack
# https://git.stack-source.com/msb/vmail-stack
# MIT License Copyright (c) 2021 Matthew Saunders Brown
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# load include file
source $(dirname $0)/vmail.sh
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help()
{
thisfilename=$(basename -- "$0")
echo "$thisfilename"
echo "Add email forward to vmail system"
echo ""
echo "usage: $thisfilename email forward_to [OPTIONS]"
echo ""
echo " -h Print this help."
echo " -l Save Local (forward & keep local copy). 0 = no/off, 1 = yes/on. Default is 0."
echo ""
echo " 'email' and 'forward_to' should both be in full email address format."
echo " .e.g to have info@example.com delivered (forwarded) to joe@example.com do:"
echo " $thisfilename info@example.com joe@example.com"
exit
}
# check for and set forward_to & email address & split email in to mbox (local part) & domain
if [ -n "$2" ]; then
if [ $1 == "-h" ] || [ $2 == "-h" ]; then
help
else
email=$1
shift
if [[ $email =~ "@" ]] ; then
mbox=${email%@*}
domain=${email##*@}
if [ -z $mbox ] ; then
echo "ERROR: No local part in $email."
exit 1
elif [ -z $domain ] ; then
echo "ERROR: No domain in $email."
exit 1
elif ! vmail::validate_domain $domain; then
echo "ERROR: $domain is not a valid domain name."
exit 1
fi
else
echo "ERROR: $email is not a valid email."
exit 1
fi
forward_to=$1
shift
if [[ $forward_to =~ "@" ]] ; then
forward_to_mbox=${forward_to%@*}
forward_to_domain=${forward_to##*@}
if [ -z $forward_to_mbox ] ; then
echo "ERROR: No local part in $forward_to."
exit 1
elif [ -z $forward_to_domain ] ; then
echo "ERROR: No domain in $forward_to."
exit 1
elif ! vmail::validate_domain $forward_to_domain; then
echo "ERROR: $forward_to_domain is not a valid domain name."
exit 1
fi
else
echo "ERROR: $forward_to is not a valid email."
exit 1
fi
fi
else
help
fi
# set any options that were passed
while getopts "hl:" opt; do
case "${opt}" in
h )
help
exit;;
l )
save_local=${OPTARG}
if [ "$save_local" != "0" ] && [ "$save_local" != "1" ]; then
echo "ERROR: Invalid save local setting: -l $save_local."
help
exit 1
fi
;;
\? )
echo "Invalid option: $OPTARG" 1>&2
exit;;
: )
echo "Invalid option: $OPTARG requires an argument" 1>&2
exit;;
esac
done
# build query
dbcmd="mysql --defaults-extra-file=$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 $vm_forwards_id ]; then
# existing forward does not exist, add it now
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dbquery="INSERT INTO vm_forwards SET mbox_id='$mbox_id', forward_to='$forward_to'"
if [ ! -z $save_local ]; then
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dbquery="$dbquery, save_local='$save_local'"
fi
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eval $dbcmd $dbcmdopts \"$dbquery\;\"
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else
echo "ERROR: Forward for $email already exists. To change either del then add or use mod script."
exit 1
fi
else
# db query error
echo "ERROR: System error querying vmail database."
exit 1
fi