111 lines
3.4 KiB
Bash
111 lines
3.4 KiB
Bash
#!/bin/bash
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# shellcheck disable=SC1091
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[ -r /var/lib/from_repos/scripts/shared_functions.sh ] && . /var/lib/from_repos/scripts/shared_functions.sh
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function usage() {
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echo "Usage:"
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echo "$(basename "${0}") -p|--porpouse <porpouse> [-o|--domain <DOMAIN>] [-l|--length <ALIAS_LENGTH>] [-e|--destination <DESTINATION>]"
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echo ""
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echo " -d|--debug Show more debug information."
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echo " -p|--porpouse <PORPOUSE> Porpouse of this forwarding that will help you remember why you created it."
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echo " -o|--domain <DOMAIN> Domain name for the alias. From the list:"
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while read -r DOMAIN
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do
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echo " # ${DOMAIN}"
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done <<< "$(echo 'select domain FROM mail.domains' | mysql mail|grep -v '^domain$')"
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echo " -l|--length <ALIAS_LENGTH> Length of pseudo-random character of the alias."
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echo " -e|--destination <DESTINATION> Destination of the forwarding."
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echo " -a|--alias <ALIAS> Use a defined alias."
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}
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domain="susurrando.com"
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alias_length=6
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destination="ad@susurrando.com"
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alias=""
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while [ $# -gt 0 ]
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do
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case "${1}" in
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"-h"|"-?"|"--help")
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shift
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usage
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exit 0
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;;
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"-d"|"--debug")
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shift
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export DEBUG=true
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;;
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"-o"|"--domain")
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shift
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domain="${1}"
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existing=$(echo "select domain FROM mail.domains WHERE domain = '${domain}';" | mysql mail | grep -v '^domain$')
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if [ -z "${existing}" ]; then
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message "The domain '${domain}' doesn't exist in the database. Add it first." p
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echo "Current list of domains:"
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while read -r DOMAIN
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do
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echo " # ${DOMAIN}"
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done <<< "$(echo 'select domain FROM mail.domains' | mysql mail|grep -v '^domain$')"
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exit 4
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fi
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shift
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;;
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"-l"|"--length")
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shift
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alias_length="${1}"
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shift
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;;
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"-e"|"--destination")
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shift
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destination="${1}"
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shift
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;;
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"-p"|"--porpouse")
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shift
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porpouse="${1}"
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shift
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;;
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"-a"|"--alias")
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shift
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alias="${1}"
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shift
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;;
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*)
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message "Unknown parameter '$1'" p
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shift
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;;
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esac
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done
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if [ -z "${porpouse}" ]; then
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message "You have to provide a porpouse." p
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usage
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exit 1
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fi
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existing=$(echo "SELECT * FROM mail.forwardings where porpouse = '${porpouse}';" | mysql mail)
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if [ -n "${existing}" ]; then
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message "There is already an alias for that porpouse:" p
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message "${existing}" p
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exit 2
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fi
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if [ -n "${alias}" ]; then
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existing=$(echo "SELECT source FROM mail.forwardings where source = '${alias}';" |mysql mail | grep -v '^source$')
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if [ -n "${existing}" ]; then
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message "Alias already exist in the database:" p
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message "'${existing}'" p
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exit 3
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fi
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fi
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while [ "${alias}" == "" ]
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do
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random_string=$(LC_ALL=C tr -dc A-Za-z0-9 </dev/urandom | head -c "${alias_length}")
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existing=$(echo "SELECT source FROM mail.forwardings where source = '${random_string}@${domain}';" |mysql mail |grep -v '^source$')
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if [ -z "${existing}" ]; then
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alias="${random_string}@${domain}"
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message "Generated alias: '${alias}'"
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else
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message "Generated alias '${random_string}@${domain}' exists in the database."
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message "'${existing}'"
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fi
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done
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echo "INSERT INTO mail.forwardings (source, destination, porpouse) VALUES ('${alias}','${destination}','${porpouse}');"| mysql mail
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message "Inserted forwarding from '${alias}' to '${destination}' for the porpouse of '${porpouse}'." p
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