123 lines
2.8 KiB
Bash
Executable File
123 lines
2.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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tmp_err_msg=$(mktemp)
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# -------------
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# --- Some functions
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# -------------
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clean_up() {
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# Perform program exit housekeeping
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rm -f $tmp_err_msg
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exit $1
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}
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echononl(){
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echo X\\c > /tmp/shprompt$$
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if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
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echo -e -n "$*\\c" 1>&2
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else
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echo -e -n "$*" 1>&2
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fi
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rm /tmp/shprompt$$
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}
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fatal(){
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echo ""
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echo -e "fatal error: $*"
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echo ""
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echo -e "\t\033[31m\033[1mInstalllation will be interrupted\033[m\033[m"
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echo ""
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exit 1
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}
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error(){
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echo ""
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echo -e "\t[ \033[31m\033[1mFehler\033[m ]: $*"
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echo ""
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}
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warn (){
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echo ""
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echo -e "\t[ \033[33m\033[1mWarning\033[m ]: $*"
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echo ""
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}
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info (){
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echo ""
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echo -e "\t[ \033[32m\033[1mInfo\033[m ]: $*"
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echo ""
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}
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echo_done() {
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echo -e "\033[80G[ \033[32mdone\033[m ]"
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}
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echo_ok() {
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echo -e "\033[80G[ \033[32mok\033[m ]"
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}
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echo_warning() {
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echo -e "\033[80G[ \033[33m\033[1mwarn\033[m ]"
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}
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echo_failed(){
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echo -e "\033[80G[ \033[1;31mfailed\033[m ]"
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}
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echo_skipped() {
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echo -e "\033[80G[ \033[33m\033[1mskipped\033[m ]"
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}
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echononl " Create file \"greylist_client_access_pcre\""
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if [[ ! -f /etc/postfix/greylist_client_access_pcre ]]; then
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cat <<EOF > /etc/postfix/greylist_client_access_pcre
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# ---
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# Check Client Access for greylisting (selective greylisting)
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# ---
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#
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# - Note:
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# -
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# - Action 'check_greylist' must be defined by 'smtpd_restriction_classes'
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# - and also set with an action (check_policy_service inet:127.0.0.1:10023)
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# - in file /etc/postfix/ main.cf.
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# -
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# - Your main.cf may looks like:
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# -
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# - smtpd_restriction_classes = check_greylist
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# - check_greylist = check_policy_service inet:127.0.0.1:10023
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# -
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# - smtpd_recipient_restrictions =
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# - ...
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# - check_client_access pcre:/etc/postfix/greylist_client_access_pcre,
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# - ...
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# -
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# - smtpd_relay_restrictions =
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# - ...
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# - check_client_access pcre:/etc/postfix/greylist_client_access_pcre,
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# - ...
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# ---
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# - For clients matching the following rules greylisting check is applied.
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# ---
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# unkown clients
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/^unknown$/ check_greylist
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# everything with 3 or more hyphens in the hostname
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/(\\-.+){3}$/ check_greylist
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# everything with 4 or more dots in the hostname
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/(\\..+){4}$/ check_greylist
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# dialups
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/(^|[0-9.x_-])(abo|br(e|oa)dband|cabel|(hk)?cablep?|catv|cbl|cidr|d?client2?|cust(omer)?s?|dhcp|dial?(in|up)?|d[iu]p|[asx]?dsld?|dyn(a(dsl|mic)?)?|home|in-addr|modem(cable)?|(di)?pool|ppp|ptr|rev|static|user|YahooBB[0-9]{12}|c[[:alnum:]]{6,}(\\.[a-z]{3})?\\.virtua|[1-9]Cust[0-9]+|AC[A-Z][0-9A-F]{5}\\.ipt|pcp[0-9]{6,}pcs|S0106[[:alnum:]]{12,}\\.[a-z]{2})[0-9.x_-]/ check_greylist
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EOF
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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fi
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else
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echo_skipped
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fi
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clean_up 0
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