106 lines
3.2 KiB
Bash
Executable File
106 lines
3.2 KiB
Bash
Executable File
#!/bin/bash
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#
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# vmail-stack
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# https://git.stack-source.com/msb/vmail-stack
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# MIT License Copyright (c) 2021 Matthew Saunders Brown
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# load config
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source /usr/local/etc/vmail.conf
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help()
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{
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thisfilename=$(basename -- "$0")
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echo "$thisfilename"
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echo "Add email alias to vmail system"
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echo ""
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echo "usage: $thisfilename email alias [OPTIONS]"
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echo ""
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echo " -h Print this help."
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echo ""
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echo " 'email' should be the full address 'alias' just the local part (username)."
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echo " .e.g to have info@example.com delivered (aliased) to joe@example.com do:"
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echo " $thisfilename joe@example.com info"
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exit
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}
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# set any options that were passed
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while getopts "h" opt; do
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case "${opt}" in
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h )
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help
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exit;;
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\? )
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echo "Invalid option: $OPTARG" 1>&2
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exit;;
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: )
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echo "Invalid option: $OPTARG requires an argument" 1>&2
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exit;;
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esac
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done
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# check for and set alias & email address & split in to local part & domain
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if [ -n "$2" ]; then
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if [ $1 == "-h" ] || [ $2 == "-h" ]; then
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help
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else
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email=$1
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shift
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alias=$1
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shift
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if [[ $email =~ "@" ]] ; then
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mbox=${email%@*}
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domain=${email##*@}
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if [ -z $mbox ] ; then
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echo "ERROR: No local part in $email."
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exit 1
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elif [ -z $domain ] ; then
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echo "ERROR: No domain in $email."
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exit 1
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elif [[ ! $domain =~ ^(([a-zA-Z](-?[a-zA-Z0-9])*)\.)+[a-zA-Z]{2,}$ ]] ; then
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echo "ERROR: $domain is not a valid domain name."
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exit 1
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fi
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else
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echo "ERROR: $email is not a valid email."
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exit 1
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fi
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fi
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else
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help
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fi
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# get domain_id (and thus check if domain already exists)
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domain_id=`mysql --defaults-extra-file=$MYSQL_CONNECTION_INFO_FILE -s -r -N -e "SELECT id from vm_domains WHERE domain='$domain';"`
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if [ -z $domain_id ] ; then
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echo "ERROR: Domain $domain does not exist."
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exit 1
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fi
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# get mbox id, which also verfies that email address exists
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mbox_id=`mysql --defaults-extra-file=$MYSQL_CONNECTION_INFO_FILE -s -r -N -e "SELECT id FROM vm_mboxes WHERE domain_id='$domain_id' AND mbox='$mbox';"`
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if [ -z $mbox_id ] ; then
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# mbox does not exist, can't create alias
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echo "ERROR: Address to Alias To ($email) does not exist."
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exit 1
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elif [ "$mbox_id" -gt '1' ] ; then
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# verified mbox, check for existing alias
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existing_alias=`mysql --defaults-extra-file=$MYSQL_CONNECTION_INFO_FILE -s -r -N -e "SELECT vm_mboxes.mbox FROM vm_mboxes, vm_aliases WHERE vm_aliases.alias='$alias' AND vm_aliases.mbox_id=vm_mboxes.id AND vm_mboxes.domain_id='$domain_id';"`
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if [ -z $existing_alias ]; then
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# existing alias does not exist, add new one now
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dbcmd="mysql --defaults-extra-file=$MYSQL_CONNECTION_INFO_FILE -e 'INSERT INTO vm_aliases SET vm_aliases.alias=\"$alias\", vm_aliases.mbox_id=\"$mbox_id\";'"
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eval $dbcmd
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else
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if [ "$existing_alias" == "$mbox" ]; then
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echo "ERROR: Alias for $alias To $email already exists."
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exit 1
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else
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echo "ERROR: Alias for $alias already points to another address ($existing_alias@$domain). To update delete that alias first, then add a new one."
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exit 1
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fi
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fi
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else
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# db query error
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echo "ERROR: System error querying vmail database."
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exit 1
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fi
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