101 lines
3.3 KiB
Bash
101 lines
3.3 KiB
Bash
#!/bin/bash
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# Manage DB writes for:
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# - DATABASE_ACCOUNTS
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# - DATABASE_DOVECOT_MASTERS
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# Logic to perform for requested operations handled here:
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function _manage_accounts
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{
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local ACTION=${1}
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local DATABASE=${2}
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local MAIL_ACCOUNT=${3}
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# Only for ACTION 'create' or 'update':
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local PASSWD=${4}
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_arg_expect_mail_account
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case "${ACTION}" in
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( 'create' | 'update' )
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# Fail early before requesting password:
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[[ ${ACTION} == 'create' ]] && _account_should_not_exist_yet
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[[ ${ACTION} == 'update' ]] && _account_should_already_exist
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_password_request_if_missing
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local PASSWD_HASH
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PASSWD_HASH=$(doveadm pw -s SHA512-CRYPT -u "${MAIL_ACCOUNT}" -p "${PASSWD}")
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# Early failure above ensures correct operation => Add (create) or Replace (update):
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_db_entry_add_or_replace "${DATABASE}" "${MAIL_ACCOUNT}" "${PASSWD_HASH}"
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;;
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( 'delete' )
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_db_entry_remove "${DATABASE}" "${MAIL_ACCOUNT}"
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;;
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( * ) # This should not happen if using convenience wrapper methods:
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_exit_with_error "Unsupported Action: '${ACTION}'"
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;;
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esac
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}
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# Convenience wrappers:
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DATABASE_ACCOUNTS='/tmp/docker-mailserver/postfix-accounts.cf'
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function _manage_accounts_create { _manage_accounts 'create' "${DATABASE_ACCOUNTS}" "${@}" ; }
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function _manage_accounts_update { _manage_accounts 'update' "${DATABASE_ACCOUNTS}" "${@}" ; }
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function _manage_accounts_delete { _manage_accounts 'delete' "${DATABASE_ACCOUNTS}" "${@}" ; }
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# Dovecot Master account support can leverage the same management logic:
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DATABASE_DOVECOT_MASTERS='/tmp/docker-mailserver/dovecot-masters.cf'
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function _manage_accounts_dovecotmaster_create { _manage_accounts 'create' "${DATABASE_DOVECOT_MASTERS}" "${@}" ; }
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function _manage_accounts_dovecotmaster_update { _manage_accounts 'update' "${DATABASE_DOVECOT_MASTERS}" "${@}" ; }
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function _manage_accounts_dovecotmaster_delete { _manage_accounts 'delete' "${DATABASE_DOVECOT_MASTERS}" "${@}" ; }
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#
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# Validation Methods
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#
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# These validation helpers rely on:
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# - Exteral vars to be declared prior to calling them (MAIL_ACCOUNT, PASSWD, DATABASE).
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# - Calling external method '__usage' as part of error handling.
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# Also used by setquota, delquota
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function _arg_expect_mail_account
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{
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[[ -z ${MAIL_ACCOUNT} ]] && { __usage ; _exit_with_error 'No account specified' ; }
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# Dovecot Master accounts are validated (they are not email addresses):
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[[ ${DATABASE} == "${DATABASE_DOVECOT_MASTERS}" ]] && return 0
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# Account has both local and domain parts:
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[[ ${MAIL_ACCOUNT} =~ .*\@.* ]] || { __usage ; _exit_with_error "'${MAIL_ACCOUNT}' should include the domain (eg: user@example.com)" ; }
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}
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function _account_should_not_exist_yet
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{
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__account_already_exists && _exit_with_error "'${MAIL_ACCOUNT}' already exists"
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}
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# Also used by delmailuser, setquota, delquota
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function _account_should_already_exist
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{
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! __account_already_exists && _exit_with_error "'${MAIL_ACCOUNT}' does not exist"
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}
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function __account_already_exists
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{
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local DATABASE=${DATABASE:-"${DATABASE_ACCOUNTS}"}
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_db_has_entry_with_key "${MAIL_ACCOUNT}" "${DATABASE}"
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}
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# Also used by addsaslpassword
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function _password_request_if_missing
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{
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if [[ -z ${PASSWD} ]]
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then
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read -r -s -p 'Enter Password: ' PASSWD
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echo
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[[ -z ${PASSWD} ]] && _exit_with_error 'Password must not be empty'
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fi
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}
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