@ -12,7 +12,7 @@
export LC_ALL = C
export PATH = "/usr/sbin:/usr/bin:/sbin:/bin"
set -o pipefail
ban_ver = "0.7.6 "
ban_ver = "0.7.7 "
ban_enabled = "0"
ban_mail_enabled = "0"
ban_proto4_enabled = "0"
@ -23,6 +23,7 @@ ban_monitor_enabled="0"
ban_autodetect = "1"
ban_autoblacklist = "1"
ban_autowhitelist = "1"
ban_whitelistonly = "0"
ban_logterms = ""
ban_loglimit = "100"
ban_ssh_logcount = "3"
@ -240,7 +241,7 @@ f_conf()
fi
ban_localsources = " ${ ban_localsources :- "maclist whitelist blacklist" } "
ban_logterms = " ${ ban_logterms :- "dropbear sshd luci nginx" } "
f_log "debug" " f_conf ::: ifaces: ${ ban_ifaces :- "-" } , chain: ${ ban_chain } , set_type: ${ ban_global_settype } , log_chains (src/dst): ${ ban_logchain_src } / ${ ban_logchain_dst } , targets (src/dst): ${ ban_target_src } / ${ ban_target_dst } "
f_log "debug" " f_conf ::: ifaces: ${ ban_ifaces :- "-" } , chain: ${ ban_chain } , set_type: ${ ban_global_settype } , log_chains (src/dst): ${ ban_logchain_src } / ${ ban_logchain_dst } , targets (src/dst): ${ ban_target_src } / ${ ban_target_dst } , whitelist_only: ${ ban_whitelistonly }
f_log "debug" " f_conf ::: lan_inputs (4/6): ${ ban_lan_inputchains_4 } / ${ ban_lan_inputchains_6 } , lan_forwards (4/6): ${ ban_lan_forwardchains_4 } / ${ ban_lan_forwardchains_6 } , wan_inputs (4/6): ${ ban_wan_inputchains_4 } / ${ ban_wan_inputchains_6 } , wan_forwards (4/6): ${ ban_wan_forwardchains_4 } / ${ ban_wan_forwardchains_6 } "
f_log "debug" " f_conf ::: local_sources: ${ ban_localsources :- "-" } , extra_sources: ${ ban_extrasources :- "-" } , log_terms: ${ ban_logterms :- "-" } , log_prefixes (src/dst): ${ ban_logprefix_src } / ${ ban_logprefix_dst } , log_options (src/dst): ${ ban_logopts_src } / ${ ban_logopts_dst } "
}
@ -547,8 +548,14 @@ f_iptables()
f_iptrule "-D" " ${ ban_chain } " " -o ${ dev } -m set --match-set ${ src_name } src -j RETURN "
elif [ " ${ src_name %_* } " = "whitelist" ]
then
f_iptrule "-D" " ${ ban_chain } " " -i ${ dev } -m set --match-set ${ src_name } src -j RETURN "
f_iptrule "-D" " ${ ban_chain } " " -o ${ dev } -m set --match-set ${ src_name } dst -j RETURN "
if [ " ${ ban_whitelistonly } " = "1" ]
then
f_iptrule "-D" " ${ ban_chain } " " -i ${ dev } -m set ! --match-set ${ src_name } src -j ${ ban_logtarget_src } "
f_iptrule "-D" " ${ ban_chain } " " -o ${ dev } -m set ! --match-set ${ src_name } dst -j ${ ban_logtarget_dst } "
else
f_iptrule "-D" " ${ ban_chain } " " -i ${ dev } -m set --match-set ${ src_name } src -j RETURN "
f_iptrule "-D" " ${ ban_chain } " " -o ${ dev } -m set --match-set ${ src_name } dst -j RETURN "
fi
else
f_iptrule "-D" " ${ ban_chain } " " -i ${ dev } -m set --match-set ${ src_name } src -j ${ ban_logtarget_src } "
f_iptrule "-D" " ${ ban_chain } " " -o ${ dev } -m set --match-set ${ src_name } dst -j ${ ban_logtarget_dst } "
@ -599,7 +606,12 @@ f_iptables()
elif [ " ${ src_name %_* } " = "whitelist" ]
then
pos = " $(( $( " ${ ipt_cmd } " " ${ timeout } " -vnL " ${ ban_chain } " --line-numbers | grep -cF "RETURN" ) + 1 )) "
f_iptrule "-I" " ${ ban_chain } " " -i ${ dev } -m set --match-set ${ src_name } src -j RETURN " " ${ pos } "
if [ " ${ ban_whitelistonly } " = "1" ]
then
f_iptrule "-I" " ${ ban_chain } " " -i ${ dev } -m set ! --match-set ${ src_name } src -j ${ ban_target_src } " " ${ pos } "
else
f_iptrule "-I" " ${ ban_chain } " " -i ${ dev } -m set --match-set ${ src_name } src -j RETURN " " ${ pos } "
fi
else
f_iptrule " ${ action :- "-A" } " " ${ ban_chain } " " -i ${ dev } -m set --match-set ${ src_name } src -j ${ ban_target_src } "
fi
@ -612,7 +624,12 @@ f_iptables()
if [ " ${ src_name %_* } " = "whitelist" ]
then
pos = " $(( $( " ${ ipt_cmd } " " ${ timeout } " -vnL " ${ ban_chain } " --line-numbers | grep -cF "RETURN" ) + 1 )) "
f_iptrule "-I" " ${ ban_chain } " " -o ${ dev } -m set --match-set ${ src_name } dst -j RETURN " " ${ pos } "
if [ " ${ ban_whitelistonly } " = "1" ]
then
f_iptrule "-I" " ${ ban_chain } " " -o ${ dev } -m set ! --match-set ${ src_name } dst -j ${ ban_target_dst } " " ${ pos } "
else
f_iptrule "-I" " ${ ban_chain } " " -o ${ dev } -m set --match-set ${ src_name } dst -j RETURN " " ${ pos } "
fi
elif [ " ${ src_name } " != "maclist" ]
then
f_iptrule " ${ action :- "-A" } " " ${ ban_chain } " " -o ${ dev } -m set --match-set ${ src_name } dst -j ${ ban_target_dst } "
@ -913,7 +930,7 @@ f_bgsrv()
local bg_pid action = " ${ 1 } "
bg_pid = " $( pgrep -f " ^/bin/sh ${ ban_logservice } | ${ ban_logread_cmd } |^grep -qE Exit before auth|^grep -qE error: maximum|^grep -qE luci: failed|^grep -qE nginx " | awk '{ORS=" "; print $1}' ) "
if [ " ${ action } " = "start" ] && [ -x " ${ ban_logservice } " ] && [ " ${ ban_monitor_enabled } " = "1" ]
if [ " ${ action } " = "start" ] && [ -x " ${ ban_logservice } " ] && [ " ${ ban_monitor_enabled } " = "1" ] && [ " ${ ban_whitelistonly } " = "0" ]
then
if [ -n " ${ bg_pid } " ]
then
@ -1269,7 +1286,7 @@ f_main()
fi
if [ " ${ ban_proto4_enabled } " = "1" ]
then
if [ " ${ src_name } " = "blacklist" ] && [ -s " ${ ban_blacklist } " ]
if [ " ${ src_name } " = "blacklist" ] && [ -s " ${ ban_blacklist } " ] && [ " ${ ban_whitelistonly } " = "0" ]
then
(
src_rule_4 = " /^(([0-9]{1,3}\\.){3}(1?[0-9][0-9]?|2[0-4][0-9]|25[0-5])(\\/(1?[0-9]|2?[0-9]|3?[0-2]))?)([[:space:]]| $)/{print \"add ${ src_name } _4 \"\$1} "
@ -1290,7 +1307,7 @@ f_main()
fi
if [ " ${ ban_proto6_enabled } " = "1" ]
then
if [ " ${ src_name } " = "blacklist" ] && [ -s " ${ ban_blacklist } " ]
if [ " ${ src_name } " = "blacklist" ] && [ -s " ${ ban_blacklist } " ] && [ " ${ ban_whitelistonly } " = "0" ]
then
(
src_rule_6 = " /^(([0-9A-f]{0,4}:){1,7}[0-9A-f]{0,4}:?(\\/(1?[0-2][0-8]|[0-9][0-9]))?)([[:space:]]| $)/{print \"add ${ src_name } _6 \"\$1} "
@ -1314,50 +1331,53 @@ f_main()
# loop over all external sources
#
for src_name in ${ ban_sources }
do
# get source data from JSON file
#
json_select " ${ src_name } " >/dev/null 2>& 1
if [ " ${ ? } " != "0" ]
then
continue
fi
json_objects = "url_4 rule_4 url_6 rule_6 comp"
for object in ${ json_objects }
if [ " ${ ban_whitelistonly } " = "0" ]
then
for src_name in ${ ban_sources }
do
eval json_get_var src_${ object } "\${object}" >/dev/null 2>& 1
done
json_select ..
# get source data from JSON file
#
json_select " ${ src_name } " >/dev/null 2>& 1
if [ " ${ ? } " != "0" ]
then
continue
fi
json_objects = "url_4 rule_4 url_6 rule_6 comp"
for object in ${ json_objects }
do
eval json_get_var src_${ object } "\${object}" >/dev/null 2>& 1
done
json_select ..
# handle external IPv4 source downloads in a subshell
#
if [ " ${ ban_proto4_enabled } " = "1" ] && [ -n " ${ src_url_4 } " ] && [ -n " ${ src_rule_4 } " ]
then
(
f_down " ${ src_name } " "4" "inet" " ${ src_url_4 } " " ${ src_rule_4 } " " ${ src_comp } "
) &
fi
# handle external IPv4 source downloads in a subshell
#
if [ " ${ ban_proto4_enabled } " = "1" ] && [ -n " ${ src_url_4 } " ] && [ -n " ${ src_rule_4 } " ]
then
(
f_down " ${ src_name } " "4" "inet" " ${ src_url_4 } " " ${ src_rule_4 } " " ${ src_comp } "
) &
fi
# handle external IPv6 source downloads in a subshell
#
if [ " ${ ban_proto6_enabled } " = "1" ] && [ -n " ${ src_url_6 } " ] && [ -n " ${ src_rule_6 } " ]
then
(
f_down " ${ src_name } " "6" "inet6" " ${ src_url_6 } " " ${ src_rule_6 } " " ${ src_comp } "
) &
fi
# handle external IPv6 source downloads in a subshell
#
if [ " ${ ban_proto6_enabled } " = "1" ] && [ -n " ${ src_url_6 } " ] && [ -n " ${ src_rule_6 } " ]
then
(
f_down " ${ src_name } " "6" "inet6" " ${ src_url_6 } " " ${ src_rule_6 } " " ${ src_comp } "
) &
fi
# control/limit download queues
#
hold = $(( cnt%ban_maxqueue))
if [ " ${ hold } " = "0" ]
then
wait
fi
cnt = $(( cnt+1))
done
wait
# control/limit download queues
#
hold = $(( cnt%ban_maxqueue))
if [ " ${ hold } " = "0" ]
then
wait
fi
cnt = $(( cnt+1))
done
wait
fi
# error out
#
@ -1635,6 +1655,7 @@ f_report()
json_select ".."
done
content = " $( cat " ${ report_txt } " 2>/dev/null) "
rm -f " ${ report_txt } "
fi
# report output
@ -1726,7 +1747,7 @@ f_jsnup()
done
json_close_array
json_add_string "run_infos" " settype: ${ ban_global_settype } , backup_dir: ${ ban_backupdir } , report_dir: ${ ban_reportdir } "
json_add_string "run_flags" " protocols (4/6): $( f_char ${ ban_proto4_enabled } ) / $( f_char ${ ban_proto6_enabled } ) , log (src/dst): $( f_char ${ ban_logsrc_enabled } ) / $( f_char ${ ban_logdst_enabled } ) , monitor: $( f_char ${ ban_monitor_enabled } ) , mail: $( f_char ${ ban_mail_enabled } ) "
json_add_string "run_flags" " protocols (4/6): $( f_char ${ ban_proto4_enabled } ) / $( f_char ${ ban_proto6_enabled } ) , log (src/dst): $( f_char ${ ban_logsrc_enabled } ) / $( f_char ${ ban_logdst_enabled } ) , monitor: $( f_char ${ ban_monitor_enabled } ) , mail: $( f_char ${ ban_mail_enabled } ) , whitelist only: $( f_char ${ ban_whitelistonly } )
json_add_string "last_run" " ${ runtime :- "-" } "
json_add_string "system" " ${ ban_sysver } "
json_dump > " ${ ban_rtfile } "
@ -1783,7 +1804,7 @@ case "${ban_action}" in
f_main
; ;
"suspend" )
if [ " ${ ban_status } " = "enabled" ]
if [ " ${ ban_status } " = "enabled" ] && [ " ${ ban_whitelistonly } " = "0" ]
then
f_bgsrv "stop"
f_jsnup "running"
@ -1793,7 +1814,7 @@ case "${ban_action}" in
f_rmtmp
; ;
"resume" )
if [ " ${ ban_status } " = "paused" ]
if [ " ${ ban_status } " = "paused" ] && [ " ${ ban_whitelistonly } " = "0" ]
then
f_env
f_main
Dirk Brenken
4 years ago
GitHub