@ -7,13 +7,13 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# (s)hellcheck exceptions
# shellcheck disable=1091 disable=2039 disable=2143 disable=2181 disable= 2188
# shellcheck disable=1091,2039,2086,2140,2143,2181, 2188
# set initial defaults
#
LC_ALL = C
PATH = "/usr/sbin:/usr/bin:/sbin:/bin"
ban_ver = "0.3.11 "
ban_ver = "0.3.12 "
ban_basever = ""
ban_enabled = 0
ban_automatic = "1"
@ -42,6 +42,8 @@ ban_logservice="/etc/banip/banip.service"
ban_sshdaemon = ""
ban_setcnt = 0
ban_cnt = 0
ban_log_src = 0
ban_log_dst = 0
# load environment
#
@ -97,6 +99,28 @@ f_envload()
config_load banip
config_foreach parse_config source
# setup logging
#
ban_log_chain_src = " ${ ban_log_chain_src :- " ${ ban_chain } _log_src " } "
if [ " ${ ban_log_src } " -eq 1 ]
then
log_target_src = " ${ ban_target_src :- "DROP" } "
ban_target_src = " ${ ban_log_chain_src } "
log_target_src_6 = " ${ ban_target_src_6 :- "DROP" } "
ban_target_src_6 = " ${ ban_log_chain_src } "
fi
ban_log_chain_dst = " ${ ban_log_chain_dst :- " ${ ban_chain } _log_dst " } "
if [ " ${ ban_log_dst } " -eq 1 ]
then
log_target_dst = " ${ ban_target_dst :- "REJECT" } "
ban_target_dst = " ${ ban_log_chain_dst } "
log_target_dst_6 = " ${ ban_target_dst_6 :- "REJECT" } "
ban_target_dst_6 = " ${ ban_log_chain_dst } "
fi
# log daemon check
#
if [ " $( /etc/init.d/log running; printf "%u" " ${ ? } " ) " -eq 1 ]
@ -259,7 +283,7 @@ f_envcheck()
fi
case " ${ util } " in
"aria2c" )
ban_fetchparm = " ${ ban_fetchparm :- "--timeout=20 --allow-overwrite=true --auto-file-renaming=false --check-certificate=true --dir=" " -o" } "
ban_fetchparm = " ${ ban_fetchparm :- "--timeout=20 --allow-overwrite=true --auto-file-renaming=false --check-certificate=true --dir=/ -o" } "
; ;
"curl" )
ban_fetchparm = " ${ ban_fetchparm :- "--connect-timeout 20 -o" } "
@ -392,15 +416,13 @@ f_iptadd()
then
if [ " ${ src_ruletype } " != "dst" ]
then
if [ " ${ src_name ##*_ } " = "6" ]
f_iptrule "-I" " ${ wan_input } -j ${ ban_chain } "
f_iptrule "-I" " ${ wan_forward } -j ${ ban_chain } "
if [ " ${ src_name ##*_ } " != "6" ]
then
# dummy, special IPv6 rules
/bin/true
else
f_iptrule "-I" " ${ wan_input } -p udp --dport 67:68 --sport 67:68 -j RETURN "
# special IPv4 rules
f_iptrule "-A" " ${ ban_chain } -p udp --dport 67:68 --sport 67:68 -j RETURN "
fi
f_iptrule "-A" " ${ wan_input } -j ${ ban_chain } "
f_iptrule "-A" " ${ wan_forward } -j ${ ban_chain } "
for dev in ${ ban_dev }
do
f_iptrule " ${ action :- "-A" } " " ${ ban_chain } -i ${ dev } -m conntrack --ctstate NEW -m set --match-set ${ src_name } src -j ${ target_src } "
@ -408,15 +430,13 @@ f_iptadd()
fi
if [ " ${ src_ruletype } " != "src" ]
then
if [ " ${ src_name ##*_ } " = "6" ]
f_iptrule "-I" " ${ lan_input } -j ${ ban_chain } "
f_iptrule "-I" " ${ lan_forward } -j ${ ban_chain } "
if [ " ${ src_name ##*_ } " != "6" ]
then
# dummy, special IPv6 rules
/bin/true
else
f_iptrule "-I" " ${ lan_input } -p udp --dport 67:68 --sport 67:68 -j RETURN "
# special IPv4 rules
f_iptrule "-A" " ${ ban_chain } -p udp --dport 67:68 --sport 67:68 -j RETURN "
fi
f_iptrule "-A" " ${ lan_input } -j ${ ban_chain } "
f_iptrule "-A" " ${ lan_forward } -j ${ ban_chain } "
for dev in ${ ban_dev }
do
f_iptrule " ${ action :- "-A" } " " ${ ban_chain } -o ${ dev } -m conntrack --ctstate NEW -m set --match-set ${ src_name } dst -j ${ target_dst } "
@ -434,7 +454,7 @@ f_iptadd()
#
f_ipset( )
{
local out_rc source action ruleset ruleset_6 rule cnt = 0 cnt_ip = 0 cnt_cidr = 0 timeout = "-w 5" mode = " ${ 1 } " in_rc = " ${ src_rc :- 0 } "
local out_rc source action ruleset rule cnt = 0 cnt_ip = 0 cnt_cidr = 0 timeout = "-w 5" mode = " ${ 1 } " in_rc = " ${ src_rc :- 0 } "
if [ " ${ src_name %_6* } " = "whitelist" ]
then
@ -471,34 +491,81 @@ f_ipset()
return " ${ out_rc } "
; ;
"initial" )
if [ -x " ${ ban_ipt } " ] && [ -z " $( " ${ ban_ipt } " " ${ timeout } " -nL " ${ ban_chain } " 2>/dev/null) " ]
then
" ${ ban_ipt } " " ${ timeout } " -N " ${ ban_chain } " 2>/dev/null
out_rc = " ${ ? } "
elif [ -x " ${ ban_ipt } " ]
then
src_name = "ruleset"
ruleset = " ${ ban_wan_input_chain :- "input_wan_rule" } ${ ban_wan_forward_chain :- "forwarding_wan_rule" } ${ ban_lan_input_chain :- "input_lan_rule" } ${ ban_lan_forward_chain :- "forwarding_lan_rule" } "
for rule in ${ ruleset }
do
f_iptrule "-D" " ${ rule } -j ${ ban_chain } "
done
fi
if [ -x " ${ ban_ipt6 } " ] && [ -z " $( " ${ ban_ipt6 } " " ${ timeout } " -nL " ${ ban_chain } " 2>/dev/null) " ]
then
" ${ ban_ipt6 } " " ${ timeout } " -N " ${ ban_chain } " 2>/dev/null
out_rc = " ${ ? } "
elif [ -x " ${ ban_ipt6 } " ]
then
src_name = "ruleset_6"
ruleset_6 = " ${ ban_wan_input_chain_6 :- "input_wan_rule" } ${ ban_wan_forward_chain_6 :- "forwarding_wan_rule" } ${ ban_lan_input_chain_6 :- "input_lan_rule" } ${ ban_lan_forward_chain_6 :- "forwarding_lan_rule" } "
for rule in ${ ruleset_6 }
do
f_iptrule "-D" " ${ rule } -j ${ ban_chain } "
done
fi
local ipt log_src_target log_src_opts log_src_prefix log_dst_target log_dst_opts log_dst_prefix
for src_name in "ruleset" "ruleset_6"
do
if [ " ${ src_name ##*_ } " = "6" ]
then
ipt = " ${ ban_ipt6 } "
ruleset = " ${ ban_wan_input_chain_6 :- "input_wan_rule" } ${ ban_wan_forward_chain_6 :- "forwarding_wan_rule" } ${ ban_lan_input_chain_6 :- "input_lan_rule" } ${ ban_lan_forward_chain_6 :- "forwarding_lan_rule" } "
log_src_target = " ${ log_target_src_6 } "
log_src_opts = " ${ ban_log_src_opts_6 :- "-m limit --limit 10/sec" } "
log_src_prefix = " ${ ban_log_src_prefix_6 :- " ${ log_target_src_6 } (src banIP) " } "
log_dst_target = " ${ log_target_dst_6 } "
log_dst_opts = " ${ ban_log_dst_opts_6 :- "-m limit --limit 10/sec" } "
log_dst_prefix = " ${ ban_log_dst_prefix_6 :- " ${ log_target_dst_6 } (dst banIP) " } "
else
ipt = " ${ ban_ipt } "
ruleset = " ${ ban_wan_input_chain :- "input_wan_rule" } ${ ban_wan_forward_chain :- "forwarding_wan_rule" } ${ ban_lan_input_chain :- "input_lan_rule" } ${ ban_lan_forward_chain :- "forwarding_lan_rule" } "
log_src_target = " ${ log_target_src } "
log_src_opts = " ${ ban_log_src_opts :- "-m limit --limit 10/sec" } "
log_src_prefix = " ${ ban_log_src_prefix :- " ${ log_target_src } (src banIP) " } "
log_dst_target = " ${ log_target_dst } "
log_dst_opts = " ${ ban_log_dst_opts :- "-m limit --limit 10/sec" } "
log_dst_prefix = " ${ ban_log_dst_prefix :- " ${ log_target_dst } (dst banIP) " } "
fi
if [ -x " ${ ipt } " ]
then
if [ -z " $( " ${ ipt } " " ${ timeout } " -nL " ${ ban_chain } " 2>/dev/null) " ]
then
" ${ ipt } " " ${ timeout } " -N " ${ ban_chain } " 2>/dev/null
out_rc = " ${ ? } "
else
out_rc = 0
for rule in ${ ruleset }
do
f_iptrule "-D" " ${ rule } -j ${ ban_chain } "
done
fi
f_log "debug" " f_ipset ::: name: -, mode: ${ mode :- "-" } , chain: ${ ban_chain :- "-" } , $src_name : ${ ruleset :- "-" } , out_rc: ${ out_rc } "
if [ " ${ ban_log_src } " -eq 1 ] && [ " ${ out_rc } " -eq 0 ]
then
if [ -z " $( " ${ ipt } " " ${ timeout } " -nL " ${ ban_log_chain_src } " 2>/dev/null) " ]
then
" ${ ipt } " " ${ timeout } " -N " ${ ban_log_chain_src } " 2>/dev/null
out_rc = " ${ ? } "
if [ " ${ out_rc } " -eq 0 ]
then
" ${ ipt } " " ${ timeout } " -A " ${ ban_log_chain_src } " -j LOG ${ log_src_opts } --log-prefix " ${ log_src_prefix } " && \
" ${ ipt } " " ${ timeout } " -A " ${ ban_log_chain_src } " -j " ${ log_src_target } "
out_rc = " ${ ? } "
fi
fi
f_log "debug" " f_ipset ::: name: -, mode: ${ mode :- "-" } , chain: ${ ban_log_chain_src :- "-" } , out_rc: ${ out_rc } "
fi
if [ " ${ ban_log_dst } " -eq 1 ] && [ " ${ out_rc } " -eq 0 ]
then
if [ -z " $( " ${ ipt } " " ${ timeout } " -nL " ${ ban_log_chain_dst } " 2>/dev/null) " ]
then
" ${ ipt } " " ${ timeout } " -N " ${ ban_log_chain_dst } " 2>/dev/null
out_rc = " ${ ? } "
if [ " ${ out_rc } " -eq 0 ]
then
" ${ ipt } " " ${ timeout } " -A " ${ ban_log_chain_dst } " -j LOG ${ log_dst_opts } --log-prefix " ${ log_dst_prefix } " && \
" ${ ipt } " " ${ timeout } " -A " ${ ban_log_chain_dst } " -j " ${ log_dst_target } "
out_rc = " ${ ? } "
fi
fi
f_log "debug" " f_ipset ::: name: -, mode: ${ mode :- "-" } , chain: ${ ban_log_chain_dst :- "-" } , out_rc: ${ out_rc } "
fi
fi
done
out_rc = " ${ out_rc :- " ${ in_rc } " } "
f_log "debug" " f_ipset ::: name: -, mode: ${ mode :- "-" } , chain: ${ ban_chain :- "-" } , ruleset: ${ ruleset :- "-" } , ruleset_6: ${ ruleset_6 :- "-" } , out_rc: ${ out_rc } "
f_log "debug" " f_ipset ::: name: -, mode: ${ mode :- "-" } , out_rc: ${ out_rc } "
return " ${ out_rc } "
; ;
"create" )
@ -562,20 +629,23 @@ f_ipset()
f_log "debug" " f_ipset ::: name: ${ src_name :- "-" } , mode: ${ mode :- "-" } "
; ;
"destroy" )
if [ -x " ${ ban_ipt } " ] && [ -x " ${ ban_ipt_save } " ] && [ -x " ${ ban_ipt_restore } " ] && \
[ -n " $( " ${ ban_ipt } " " ${ timeout } " -nL " ${ ban_chain } " 2>/dev/null) " ]
then
" ${ ban_ipt_save } " | grep -v -- " -j ${ ban_chain } " | " ${ ban_ipt_restore } "
" ${ ban_ipt } " " ${ timeout } " -F " ${ ban_chain } " 2>/dev/null
" ${ ban_ipt } " " ${ timeout } " -X " ${ ban_chain } " 2>/dev/null
fi
if [ -x " ${ ban_ipt6 } " ] && [ -x " ${ ban_ipt6_save } " ] && [ -x " ${ ban_ipt6_restore } " ] && \
[ -n " $( " ${ ban_ipt6 } " " ${ timeout } " -nL " ${ ban_chain } " 2>/dev/null) " ]
then
" ${ ban_ipt6_save } " | grep -v -- " -j ${ ban_chain } " | " ${ ban_ipt6_restore } "
" ${ ban_ipt6 } " " ${ timeout } " -F " ${ ban_chain } " 2>/dev/null
" ${ ban_ipt6 } " " ${ timeout } " -X " ${ ban_chain } " 2>/dev/null
fi
for chain in ${ ban_log_chain_src } ${ ban_log_chain_dst } ${ ban_chain }
do
if [ -x " ${ ban_ipt } " ] && [ -x " ${ ban_ipt_save } " ] && [ -x " ${ ban_ipt_restore } " ] && \
[ -n " $( " ${ ban_ipt } " " ${ timeout } " -nL " ${ chain } " 2>/dev/null) " ]
then
" ${ ban_ipt_save } " | grep -v -- " -j ${ chain } " | " ${ ban_ipt_restore } "
" ${ ban_ipt } " " ${ timeout } " -F " ${ chain } " 2>/dev/null
" ${ ban_ipt } " " ${ timeout } " -X " ${ chain } " 2>/dev/null
fi
if [ -x " ${ ban_ipt6 } " ] && [ -x " ${ ban_ipt6_save } " ] && [ -x " ${ ban_ipt6_restore } " ] && \
[ -n " $( " ${ ban_ipt6 } " " ${ timeout } " -nL " ${ chain } " 2>/dev/null) " ]
then
" ${ ban_ipt6_save } " | grep -v -- " -j ${ chain } " | " ${ ban_ipt6_restore } "
" ${ ban_ipt6 } " " ${ timeout } " -F " ${ chain } " 2>/dev/null
" ${ ban_ipt6 } " " ${ timeout } " -X " ${ chain } " 2>/dev/null
fi
done
for source in ${ ban_sources }
do
if [ -x " ${ ban_ipset } " ] && [ -n " $( " ${ ban_ipset } " -q -n list " ${ source } " ) " ]
@ -895,14 +965,15 @@ f_main()
if [ -z " $( ls " ${ ban_tmpfile } " .*.err 2>/dev/null) " ]
then
for cnt in $( cat " ${ ban_tmpfile } " .*.cnt 2>/dev/null)
do
ban_cnt = " $(( ban_cnt+cnt)) "
done
if [ " ${ ban_cnt } " -gt 0 ]
then
ban_setcnt = " $( ls " ${ ban_tmpfile } " .*.cnt 2>/dev/null | wc -l) "
fi
for cnt_file in " ${ ban_tmpfile } " .*.cnt
do
if [ -f " $cnt_file " ]
then
read -r cnt < " $cnt_file "
ban_cnt = " $(( ban_cnt+cnt)) "
ban_setcnt = " $(( ban_setcnt+1)) "
fi
done
f_log "info" " ${ ban_setcnt } IPSets with overall ${ ban_cnt } IPs/Prefixes loaded successfully ( ${ ban_sysver } ) "
f_bgserv "start"
f_jsnup
Dirk Brenken
4 years ago
GitHub