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1854 lines
59 KiB
1854 lines
59 KiB
#!/bin/sh
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# banIP - ban incoming and outgoing ip adresses/subnets via ipset
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# written by Dirk Brenken (dev@brenken.org)
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#
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# This is free software, licensed under the GNU General Public License v3.
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#
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# (s)hellcheck exceptions
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# shellcheck disable=1091,2030,2031,2034,2039,2086,2129,2140,2143,2154,2181,2183,2188
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# set initial defaults
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#
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export LC_ALL=C
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export PATH="/usr/sbin:/usr/bin:/sbin:/bin"
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set -o pipefail
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ban_ver="0.7.8"
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ban_enabled="0"
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ban_mail_enabled="0"
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ban_proto4_enabled="0"
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ban_proto6_enabled="0"
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ban_logsrc_enabled="0"
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ban_logdst_enabled="0"
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ban_monitor_enabled="0"
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ban_autodetect="1"
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ban_autoblacklist="1"
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ban_autowhitelist="1"
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ban_whitelistonly="0"
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ban_logterms=""
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ban_loglimit="100"
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ban_ssh_logcount="3"
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ban_luci_logcount="3"
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ban_nginx_logcount="5"
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ban_mailactions=""
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ban_search=""
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ban_devs=""
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ban_ifaces=""
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ban_debug="0"
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ban_maxqueue="4"
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ban_fetchutil=""
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ban_ip_cmd="$(command -v ip)"
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ban_ipt4_cmd="$(command -v iptables)"
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ban_ipt4_savecmd="$(command -v iptables-save)"
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ban_ipt4_restorecmd="$(command -v iptables-restore)"
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ban_ipt6_cmd="$(command -v ip6tables)"
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ban_ipt6_savecmd="$(command -v ip6tables-save)"
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ban_ipt6_restorecmd="$(command -v ip6tables-restore)"
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ban_ipset_cmd="$(command -v ipset)"
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ban_logger_cmd="$(command -v logger)"
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ban_logread_cmd="$(command -v logread)"
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ban_allsources=""
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ban_sources=""
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ban_asns=""
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ban_countries=""
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ban_settype_src=""
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ban_settype_dst=""
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ban_settype_all=""
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ban_lan_inputchains_4=""
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ban_lan_inputchains_6=""
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ban_lan_forwardchains_4=""
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ban_lan_forwardchains_6=""
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ban_wan_inputchains_4=""
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ban_wan_inputchains_6=""
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ban_wan_forwardchains_4=""
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ban_wan_forwardchains_6=""
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ban_action="${1:-"start"}"
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ban_pidfile="/var/run/banip.pid"
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ban_bgpidfile="/var/run/banip_bg.pid"
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ban_tmpbase="/tmp"
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ban_rtfile="${ban_tmpbase}/ban_runtime.json"
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ban_srcfile="${ban_tmpbase}/ban_sources.json"
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ban_reportdir="${ban_tmpbase}/banIP-Report"
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ban_backupdir="${ban_tmpbase}/banIP-Backup"
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ban_srcarc="/etc/banip/banip.sources.gz"
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ban_dnsservice="/etc/banip/banip.dns"
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ban_mailservice="/etc/banip/banip.mail"
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ban_logservice="/etc/banip/banip.service"
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ban_maclist="/etc/banip/banip.maclist"
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ban_blacklist="/etc/banip/banip.blacklist"
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ban_whitelist="/etc/banip/banip.whitelist"
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ban_setcnt="0"
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ban_cnt="0"
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# load environment
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#
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f_load()
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{
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# get system information
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#
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ban_sysver="$(ubus -S call system board 2>/dev/null | jsonfilter -e '@.model' -e '@.release.description' | \
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awk 'BEGIN{ORS=", "}{print $0}' | awk '{print substr($0,1,length($0)-2)}')"
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# load config
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#
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f_conf
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# check status
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#
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if [ "${ban_enabled}" = "0" ]
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then
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f_bgsrv "stop"
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f_ipset "destroy"
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f_jsnup "disabled"
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f_rmbckp
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f_rmtmp
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f_log "info" "banIP is currently disabled, please set the config option 'ban_enabled' to '1' to use this service"
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exit 0
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fi
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f_dir "${ban_backupdir}"
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f_dir "${ban_reportdir}"
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}
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# check/create directories
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#
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f_dir()
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{
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local dir="${1}"
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if [ ! -d "${dir}" ]
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then
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mkdir -p "${dir}"
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if [ "${?}" = "0" ]
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then
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f_log "debug" "directory '${dir}' created"
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else
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f_log "err" "directory '${dir}' could not be created"
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fi
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else
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f_log "debug" "directory '${dir}' is used"
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fi
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}
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# load banIP config
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#
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f_conf()
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{
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if [ ! -r "/etc/config/banip" ] || [ -z "$(uci -q show banip.global.ban_autodetect)" ]
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then
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f_log "err" "no valid banIP config found, please re-install the package via opkg with the '--force-reinstall --force-maintainer' options"
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fi
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config_cb()
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{
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option_cb()
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{
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local option="${1}"
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local value="${2}"
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eval "${option}=\"${value}\""
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}
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list_cb()
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{
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local option="${1}"
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local value="${2}"
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if [ "${option}" = "ban_ifaces" ]
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then
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eval "${option}=\"$(printf "%s" "${ban_ifaces}")${value} \""
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elif [ "${option}" = "ban_sources" ]
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then
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eval "${option}=\"$(printf "%s" "${ban_sources}")${value} \""
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elif [ "${option}" = "ban_localsources" ]
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then
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eval "${option}=\"$(printf "%s" "${ban_localsources}")${value} \""
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elif [ "${option}" = "ban_extrasources" ]
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then
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eval "${option}=\"$(printf "%s" "${ban_extrasources}")${value} \""
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elif [ "${option}" = "ban_settype_src" ]
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then
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eval "${option}=\"$(printf "%s" "${ban_settype_src}")${value} \""
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elif [ "${option}" = "ban_settype_dst" ]
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then
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eval "${option}=\"$(printf "%s" "${ban_settype_dst}")${value} \""
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elif [ "${option}" = "ban_settype_all" ]
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then
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eval "${option}=\"$(printf "%s" "${ban_settype_all}")${value} \""
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elif [ "${option}" = "ban_mailactions" ]
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then
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eval "${option}=\"$(printf "%s" "${ban_mailactions}")${value} \""
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elif [ "${option}" = "ban_logterms" ]
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then
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eval "${option}=\"$(printf "%s" "${ban_logterms}")${value} \""
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elif [ "${option}" = "ban_countries" ]
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then
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eval "${option}=\"$(printf "%s" "${ban_countries}")${value} \""
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elif [ "${option}" = "ban_asns" ]
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then
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eval "${option}=\"$(printf "%s" "${ban_asns}")${value} \""
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elif [ "${option}" = "ban_lan_inputchains_4" ]
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then
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eval "${option}=\"$(printf "%s" "${ban_lan_inputchains_4}")${value} \""
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elif [ "${option}" = "ban_lan_inputchains_6" ]
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then
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eval "${option}=\"$(printf "%s" "${ban_lan_inputchains_6}")${value} \""
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elif [ "${option}" = "ban_lan_forwardchains_4" ]
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then
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eval "${option}=\"$(printf "%s" "${ban_lan_forwardchains_4}")${value} \""
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elif [ "${option}" = "ban_lan_forwardchains_6" ]
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then
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eval "${option}=\"$(printf "%s" "${ban_lan_forwardchains_6}")${value} \""
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elif [ "${option}" = "ban_wan_inputchains_4" ]
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then
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eval "${option}=\"$(printf "%s" "${ban_wan_inputchains_4}")${value} \""
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elif [ "${option}" = "ban_wan_inputchains_6" ]
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then
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eval "${option}=\"$(printf "%s" "${ban_wan_inputchains_6}")${value} \""
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elif [ "${option}" = "ban_wan_forwardchains_4" ]
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then
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eval "${option}=\"$(printf "%s" "${ban_wan_forwardchains_4}")${value} \""
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elif [ "${option}" = "ban_wan_forwardchains_6" ]
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then
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eval "${option}=\"$(printf "%s" "${ban_wan_forwardchains_6}")${value} \""
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fi
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}
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}
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config_load banip
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ban_chain="${ban_chain:-"banIP"}"
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ban_global_settype="${ban_global_settype:-"src+dst"}"
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ban_target_src="${ban_target_src:-"DROP"}"
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ban_target_dst="${ban_target_dst:-"REJECT"}"
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ban_lan_inputchains_4="${ban_lan_inputchains_4:-"input_lan_rule"}"
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ban_lan_inputchains_6="${ban_lan_inputchains_6:-"input_lan_rule"}"
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ban_lan_forwardchains_4="${ban_lan_forwardchains_4:-"forwarding_lan_rule"}"
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ban_lan_forwardchains_6="${ban_lan_forwardchains_6:-"forwarding_lan_rule"}"
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ban_wan_inputchains_4="${ban_wan_inputchains_4:-"input_wan_rule"}"
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ban_wan_inputchains_6="${ban_wan_inputchains_6:-"input_wan_rule"}"
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ban_wan_forwardchains_4="${ban_wan_forwardchains_4:-"forwarding_wan_rule"}"
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ban_wan_forwardchains_6="${ban_wan_forwardchains_6:-"forwarding_wan_rule"}"
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ban_logchain_src="${ban_logchain_src:-"${ban_chain}_log_src"}"
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ban_logchain_dst="${ban_logchain_dst:-"${ban_chain}_log_dst"}"
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ban_logtarget_src="${ban_target_src}"
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ban_logtarget_dst="${ban_target_dst}"
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if [ "${ban_logsrc_enabled}" = "1" ]
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then
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ban_logprefix_src="${ban_logprefix_src:-"[banIP-${ban_ver%-*}, src/${ban_target_src}] "}"
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ban_logopts_src="${ban_logopts_src:-"-m limit --limit 2/sec"}"
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ban_target_src="${ban_logchain_src}"
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fi
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if [ "${ban_logdst_enabled}" = "1" ]
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then
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ban_logprefix_dst="${ban_logprefix_dst:-"[banIP-${ban_ver%-*}, dst/${ban_target_dst}] "}"
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ban_logopts_dst="${ban_logopts_dst:-"-m limit --limit 2/sec"}"
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ban_target_dst="${ban_logchain_dst}"
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fi
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ban_localsources="${ban_localsources:-"maclist whitelist blacklist"}"
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ban_logterms="${ban_logterms:-"dropbear sshd luci nginx"}"
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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}"
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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}"
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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}"
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}
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# check environment
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#
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f_env()
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{
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local util utils packages iface tmp cnt="0" cnt_max="10"
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ban_starttime="$(date "+%s")"
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f_jsnup "running"
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f_log "info" "start banIP processing (${ban_action})"
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# create temp directory & files
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#
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f_tmp
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# get wan devices and wan subnets
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#
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if [ "${ban_autodetect}" = "1" ] && [ -z "${ban_ifaces}" ]
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then
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while [ "${cnt}" -le "${cnt_max}" ]
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do
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network_find_wan iface
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if [ -n "${iface}" ] && [ -z "$(printf "%s\n" "${ban_ifaces}" | grep -F "${iface}")" ]
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then
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ban_proto4_enabled="1"
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ban_ifaces="${ban_ifaces}${iface} "
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uci_set banip global ban_proto4_enabled "1"
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uci_add_list banip global ban_ifaces "${iface}"
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fi
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network_find_wan6 iface
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if [ -n "${iface}" ] && [ -z "$(printf "%s\n" "${ban_ifaces}" | grep -F "${iface}")" ]
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then
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ban_proto6_enabled="1"
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ban_ifaces="${ban_ifaces}${iface} "
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uci_set banip global ban_proto6_enabled "1"
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uci_add_list banip global ban_ifaces "${iface}"
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fi
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if [ -z "${ban_ifaces}" ]
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then
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if [ "${cnt}" -le "${cnt_max}" ]
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then
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network_flush_cache
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cnt=$((cnt+1))
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sleep 1
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else
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break
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fi
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else
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if [ -n "$(uci -q changes "banip")" ]
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then
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uci_commit "banip"
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fi
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break
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fi
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done
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fi
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while [ "${cnt}" -le "${cnt_max}" ]
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do
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for iface in ${ban_ifaces}
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do
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network_get_device tmp "${iface}"
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if [ -n "${tmp}" ] && [ -z "$(printf "%s\n" "${ban_devs}" | grep -F "${tmp}")" ]
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then
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ban_devs="${ban_devs} ${tmp}"
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else
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network_get_physdev tmp "${iface}"
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if [ -n "${tmp}" ] && [ -z "$(printf "%s\n" "${ban_devs}" | grep -F "${tmp}")" ]
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then
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ban_devs="${ban_devs} ${tmp}"
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fi
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fi
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network_get_subnet tmp "${iface}"
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if [ -n "${tmp}" ] && [ -z "$(printf "%s\n" "${ban_subnets}" | grep -F "${tmp}")" ]
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then
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ban_subnets="${ban_subnets} ${tmp}"
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fi
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network_get_subnet6 tmp "${iface}"
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if [ -n "${tmp}" ] && [ -z "$(printf "%s\n" "${ban_subnets}" | grep -F "${tmp}")" ]
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then
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ban_subnets="${ban_subnets} ${tmp}"
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fi
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done
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if [ -z "${ban_devs}" ] || [ -z "${ban_subnets}" ]
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then
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if [ "${cnt}" -le "${cnt_max}" ]
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then
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network_flush_cache
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cnt=$((cnt+1))
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sleep 1
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else
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break
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fi
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else
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break
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fi
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done
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ban_ipdevs="$("${ban_ip_cmd}" link show 2>/dev/null | awk 'BEGIN{FS="[@: ]"}/^[0-9:]/{if($3!="lo"){ORS=" ";print $3}}')"
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if [ -z "${ban_ifaces}" ] || [ -z "${ban_devs}" ] || [ -z "${ban_ipdevs}" ]
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then
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f_log "err" "logical wan interface(s)/device(s) '${ban_ifaces:-"-"}/${ban_devs:-"-"}' not found, please please check your configuration"
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elif [ -z "${ban_ipdevs}" ]
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then
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f_log "err" "ip device(s) '${ban_ipdevs:-"-"}' not found, please please check your configuration"
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fi
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# check ipset/iptables utility
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#
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if [ ! -x "${ban_ipset_cmd}" ]
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then
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f_log "err" "ipset utility '${ban_ipset_cmd:-"-"}' not executable, please install package 'ipset'"
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fi
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if { [ "${ban_proto4_enabled}" = "1" ] && { [ ! -x "${ban_ipt4_cmd}" ] || [ ! -x "${ban_ipt4_savecmd}" ] || [ ! -x "${ban_ipt4_restorecmd}" ]; }; } || \
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{ [ "${ban_proto6_enabled}" = "1" ] && { [ ! -x "${ban_ipt6_cmd}" ] || [ ! -x "${ban_ipt6_savecmd}" ] || [ ! -x "${ban_ipt6_restorecmd}" ]; }; }
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then
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f_log "err" "iptables utilities '${ban_ipt4_cmd:-"-"}, ${ban_ipt4_savecmd:-"-"}, ${ban_ipt4_restorecmd:-"-"}/${ban_ipt6_cmd:-"-"}', ${ban_ipt6_savecmd:-"-"}, ${ban_ipt6_restorecmd:-"-"} not executable, please install the relevant iptables packages"
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fi
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# check download utility
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#
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if [ -z "${ban_fetchutil}" ]
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then
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while [ -z "${packages}" ] && [ "${cnt}" -le "${cnt_max}" ]
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do
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packages="$(opkg list-installed 2>/dev/null)"
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cnt=$((cnt+1))
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sleep 1
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done
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if [ -z "${packages}" ]
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then
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f_log "err" "local opkg package repository is not available, please set 'ban_fetchutil' manually"
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fi
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utils="aria2c curl wget uclient-fetch"
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for util in ${utils}
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do
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if { [ "${util}" = "uclient-fetch" ] && [ -n "$(printf "%s" "${packages}" | grep "^libustream-")" ]; } || \
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{ [ "${util}" = "wget" ] && [ -n "$(printf "%s" "${packages}" | grep "^wget -")" ]; } || \
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[ "${util}" = "curl" ] || [ "${util}" = "aria2c" ]
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then
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if [ -x "$(command -v "${util}")" ]
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then
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ban_fetchutil="${util}"
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uci_set banip global ban_fetchutil "${util}"
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uci_commit "banip"
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break
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fi
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fi
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done
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elif [ ! -x "$(command -v "${ban_fetchutil}")" ]
|
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then
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unset ban_fetchutil
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fi
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case "${ban_fetchutil}" in
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"aria2c")
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ban_fetchparm="${ban_fetchparm:-"--timeout=20 --allow-overwrite=true --auto-file-renaming=false --check-certificate=true --log-level=warn --dir=/ -o"}"
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;;
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"curl")
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ban_fetchparm="${ban_fetchparm:-"--connect-timeout 20 --silent --show-error --location -o"}"
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;;
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"uclient-fetch")
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ban_fetchparm="${ban_fetchparm:-"--timeout=20 -O"}"
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;;
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"wget")
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ban_fetchparm="${ban_fetchparm:-"--no-cache --no-cookies --max-redirect=0 --timeout=20 -O"}"
|
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;;
|
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esac
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if [ -n "${ban_fetchutil}" ] && [ -n "${ban_fetchparm}" ]
|
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then
|
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ban_fetchutil="$(command -v "${ban_fetchutil}")"
|
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else
|
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f_log "err" "download utility with SSL support not found, please install 'uclient-fetch' with a 'libustream-*' variant or another download utility like 'wget', 'curl' or 'aria2'"
|
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fi
|
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|
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# load JSON source file
|
|
#
|
|
if [ ! -r "${ban_srcfile}" ]
|
|
then
|
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if [ -r "${ban_srcarc}" ]
|
|
then
|
|
zcat "${ban_srcarc}" > "${ban_srcfile}"
|
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else
|
|
f_log "err" "banIP source archive not found"
|
|
fi
|
|
fi
|
|
if [ -r "${ban_srcfile}" ]
|
|
then
|
|
json_load_file "${ban_srcfile}"
|
|
json_get_keys ban_allsources
|
|
ban_allsources="${ban_allsources} maclist blacklist whitelist"
|
|
else
|
|
f_log "err" "banIP source file not found"
|
|
fi
|
|
f_log "debug" "f_env ::: auto_detect: ${ban_autodetect}, fetch_util: ${ban_fetchutil:-"-"}, fetch_parm: ${ban_fetchparm:-"-"}, src_file: ${ban_srcfile:-"-"}, log_terms: ${ban_logterms}, interfaces: ${ban_ifaces:-"-"}, devices: ${ban_devs:-"-"}, subnets: ${ban_subnets:-"-"}, ip_devices: ${ban_ipdevs:-"-"}, protocols (4/6): ${ban_proto4_enabled}/${ban_proto6_enabled}"
|
|
}
|
|
|
|
# create temporary files and directories
|
|
#
|
|
f_tmp()
|
|
{
|
|
f_dir "${ban_tmpbase}"
|
|
|
|
ban_tmpdir="$(mktemp -p "${ban_tmpbase}" -d)"
|
|
ban_tmpfile="$(mktemp -p "${ban_tmpdir}" -tu)"
|
|
|
|
if [ ! -f "${ban_pidfile}" ] || [ ! -s "${ban_pidfile}" ]
|
|
then
|
|
printf "%s" "${$}" > "${ban_pidfile}"
|
|
fi
|
|
f_log "debug" "f_tmp ::: tmp_base: ${ban_tmpbase:-"-"}, tmp_dir: ${ban_tmpdir:-"-"}, pid_file: ${ban_pidfile:-"-"}"
|
|
}
|
|
|
|
# remove temporary files and directories
|
|
#
|
|
f_rmtmp()
|
|
{
|
|
if [ -d "${ban_tmpdir}" ]
|
|
then
|
|
rm -rf "${ban_tmpdir}"
|
|
fi
|
|
rm -f "${ban_srcfile}"
|
|
> "${ban_pidfile}"
|
|
f_log "debug" "f_rmtmp ::: tmp_base: ${ban_tmpbase:-"-"}, tmp_dir: ${ban_tmpdir:-"-"}, pid_file: ${ban_pidfile:-"-"}"
|
|
}
|
|
|
|
# remove backup files
|
|
#
|
|
f_rmbckp()
|
|
{
|
|
if [ -d "${ban_backupdir}" ]
|
|
then
|
|
rm -f "${ban_backupdir}/banIP."*".gz"
|
|
fi
|
|
}
|
|
|
|
# status helper function
|
|
#
|
|
f_char()
|
|
{
|
|
local result input="${1}"
|
|
|
|
if [ "${input}" = "1" ]
|
|
then
|
|
result="✔"
|
|
else
|
|
result="✘"
|
|
fi
|
|
printf "%s" "${result}"
|
|
}
|
|
|
|
# apply iptables rules
|
|
#
|
|
f_iptrule()
|
|
{
|
|
local rc timeout="-w 5" action="${1}" chain="${2}" rule="${3}" pos="${4}"
|
|
|
|
if [ "${ban_proto4_enabled}" = "1" ] && { [ "${src_name}" = "maclist" ] || [ "${src_name##*_}" = "4" ]; }
|
|
then
|
|
rc="$("${ban_ipt4_cmd}" "${timeout}" -C ${chain} ${rule} 2>/dev/null; printf "%u" ${?})"
|
|
if { [ "${rc}" != "0" ] && { [ "${action}" = "-A" ] || [ "${action}" = "-I" ]; }; } || \
|
|
{ [ "${rc}" = "0" ] && [ "${action}" = "-D" ]; }
|
|
then
|
|
"${ban_ipt4_cmd}" "${timeout}" "${action}" ${chain} ${pos} ${rule} 2>/dev/null
|
|
rc="${?}"
|
|
else
|
|
rc=0
|
|
fi
|
|
fi
|
|
if [ "${ban_proto6_enabled}" = "1" ] && { [ "${src_name}" = "maclist" ] || [ "${src_name##*_}" = "6" ]; }
|
|
then
|
|
rc="$("${ban_ipt6_cmd}" "${timeout}" -C ${chain} ${rule} 2>/dev/null; printf "%u" ${?})"
|
|
if { [ "${rc}" != "0" ] && { [ "${action}" = "-A" ] || [ "${action}" = "-I" ]; }; } || \
|
|
{ [ "${rc}" = "0" ] && [ "${action}" = "-D" ]; }
|
|
then
|
|
"${ban_ipt6_cmd}" "${timeout}" "${action}" ${chain} ${pos} ${rule} 2>/dev/null
|
|
rc="${?}"
|
|
else
|
|
rc=0
|
|
fi
|
|
fi
|
|
if [ -n "${rc}" ] && [ "${rc}" != "0" ]
|
|
then
|
|
> "${tmp_err}"
|
|
f_log "info" "${src_name}: iptables action '${action:-"-"}' failed with '${chain}, ${pos:-"-"}, ${rule:-"-"}'"
|
|
fi
|
|
}
|
|
|
|
# iptables controller
|
|
#
|
|
f_iptables()
|
|
{
|
|
local ipt_cmd chain chainsets dev pos timeout="-w 5" destroy="${1}"
|
|
|
|
if [ "${ban_action}" != "refresh" ] && [ "${ban_action}" != "resume" ]
|
|
then
|
|
for dev in ${ban_ipdevs}
|
|
do
|
|
if [ "${src_name}" = "maclist" ]
|
|
then
|
|
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 ${ban_logtarget_src}"
|
|
f_iptrule "-D" "${ban_chain}" "-o ${dev} -m set ! --match-set ${src_name} dst -j ${ban_logtarget_dst}"
|
|
f_iptrule "-D" "${ban_chain}" "-i ${dev} -m set ! --match-set ${src_name} src -j ${ban_logchain_src}"
|
|
f_iptrule "-D" "${ban_chain}" "-o ${dev} -m set ! --match-set ${src_name} dst -j ${ban_logchain_dst}"
|
|
f_iptrule "-D" "${ban_chain}" "-i ${dev} -m set --match-set ${src_name} src -j RETURN"
|
|
f_iptrule "-D" "${ban_chain}" "-o ${dev} -m set --match-set ${src_name} dst -j RETURN"
|
|
else
|
|
f_iptrule "-D" "${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 ${ban_logtarget_dst}"
|
|
f_iptrule "-D" "${ban_chain}" "-i ${dev} -m set --match-set ${src_name} src -j ${ban_logchain_src}"
|
|
f_iptrule "-D" "${ban_chain}" "-o ${dev} -m set --match-set ${src_name} dst -j ${ban_logchain_dst}"
|
|
fi
|
|
done
|
|
fi
|
|
if [ -z "${destroy}" ] && { [ "${cnt}" -gt "0" ] || [ "${src_name%_*}" = "blacklist" ] || [ "${src_name%_*}" = "whitelist" ]; }
|
|
then
|
|
if [ "${src_name##*_}" = "4" ]
|
|
then
|
|
ipt_cmd="${ban_ipt4_cmd}"
|
|
if [ ! -f "${ban_tmpfile}.${src_name##*_}.chains" ]
|
|
then
|
|
> "${ban_tmpfile}.${src_name##*_}.chains"
|
|
chainsets="${ban_lan_inputchains_4} ${ban_wan_inputchains_4} ${ban_lan_forwardchains_4} ${ban_wan_forwardchains_4}"
|
|
for chain in ${chainsets}
|
|
do
|
|
f_iptrule "-I" "${chain}" "-j ${ban_chain}"
|
|
done
|
|
f_iptrule "-A" "${ban_chain}" "-p udp --dport 67:68 --sport 67:68 -j RETURN"
|
|
f_iptrule "-A" "${ban_chain}" "-m conntrack ! --ctstate NEW -j RETURN"
|
|
fi
|
|
elif [ "${src_name##*_}" = "6" ]
|
|
then
|
|
ipt_cmd="${ban_ipt6_cmd}"
|
|
if [ ! -f "${ban_tmpfile}.${src_name##*_}.chains" ]
|
|
then
|
|
> "${ban_tmpfile}.${src_name##*_}.chains"
|
|
chainsets="${ban_lan_inputchains_6} ${ban_wan_inputchains_6} ${ban_lan_forwardchains_6} ${ban_wan_forwardchains_6}"
|
|
for chain in ${chainsets}
|
|
do
|
|
f_iptrule "-I" "${chain}" "-j ${ban_chain}"
|
|
done
|
|
f_iptrule "-A" "${ban_chain}" "-p ipv6-icmp -s fe80::/10 -d fe80::/10 -j RETURN"
|
|
f_iptrule "-A" "${ban_chain}" "-p udp -s fc00::/6 --sport 547 -d fc00::/6 --dport 546 -j RETURN"
|
|
f_iptrule "-A" "${ban_chain}" "-m conntrack ! --ctstate NEW -j RETURN"
|
|
fi
|
|
fi
|
|
if [ "${src_settype}" != "dst" ]
|
|
then
|
|
for dev in ${ban_devs}
|
|
do
|
|
if [ "${src_name}" = "maclist" ]
|
|
then
|
|
f_iptrule "-I" "${ban_chain}" "-o ${dev} -m set --match-set ${src_name} src -j RETURN" "1"
|
|
elif [ "${src_name%_*}" = "whitelist" ]
|
|
then
|
|
pos="$(( $("${ipt_cmd}" "${timeout}" -vnL "${ban_chain}" --line-numbers | grep -cF "RETURN")+1))"
|
|
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 ${ban_target_src}"
|
|
fi
|
|
done
|
|
fi
|
|
if [ "${src_settype}" != "src" ]
|
|
then
|
|
for dev in ${ban_devs}
|
|
do
|
|
if [ "${src_name%_*}" = "whitelist" ]
|
|
then
|
|
pos="$(( $("${ipt_cmd}" "${timeout}" -vnL "${ban_chain}" --line-numbers | grep -cF "RETURN")+1))"
|
|
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 ${ban_target_dst}"
|
|
fi
|
|
done
|
|
fi
|
|
else
|
|
"${ban_ipset_cmd}" -q destroy "${src_name}"
|
|
fi
|
|
}
|
|
|
|
# ipset controller
|
|
#
|
|
f_ipset()
|
|
{
|
|
local src src_list action rule ipt_cmd out_rc max="0" cnt="0" cnt_ip="0" cnt_cidr="0" cnt_mac="0" timeout="-w 5" mode="${1}" in_rc="4"
|
|
|
|
case "${mode}" in
|
|
"backup")
|
|
gzip -cf "${tmp_load}" 2>/dev/null > "${ban_backupdir}/banIP.${src_name}.gz"
|
|
out_rc="${?}"
|
|
f_log "debug" "f_ipset ::: name: ${src_name:-"-"}, mode: ${mode:-"-"}, out_rc: ${out_rc}"
|
|
return "${out_rc}"
|
|
;;
|
|
"restore")
|
|
if [ -f "${ban_backupdir}/banIP.${src_name}.gz" ]
|
|
then
|
|
zcat "${ban_backupdir}/banIP.${src_name}.gz" 2>/dev/null > "${tmp_load}"
|
|
out_rc="${?}"
|
|
else
|
|
out_rc="${in_rc}"
|
|
fi
|
|
f_log "debug" "f_ipset ::: name: ${src_name:-"-"}, mode: ${mode:-"-"}, out_rc: ${out_rc}"
|
|
return "${out_rc}"
|
|
;;
|
|
"remove")
|
|
if [ -f "${ban_backupdir}/banIP.${src_name}.gz" ]
|
|
then
|
|
rm -f "${ban_backupdir}/banIP.${src_name}.gz"
|
|
out_rc="${?}"
|
|
else
|
|
out_rc="${in_rc}"
|
|
fi
|
|
f_log "debug" "f_ipset ::: name: ${src_name:-"-"}, mode: ${mode:-"-"}, out_rc: ${out_rc}"
|
|
return "${out_rc}"
|
|
;;
|
|
"initial")
|
|
for proto in "4" "6"
|
|
do
|
|
if [ "${proto}" = "4" ] && [ "${ban_proto4_enabled}" = "1" ]
|
|
then
|
|
ipt_cmd="${ban_ipt4_cmd}"
|
|
chainsets="${ban_lan_inputchains_4} ${ban_lan_forwardchains_4} ${ban_wan_inputchains_4} ${ban_wan_forwardchains_4}"
|
|
elif [ "${proto}" = "6" ] && [ "${ban_proto6_enabled}" = "1" ]
|
|
then
|
|
ipt_cmd="${ban_ipt6_cmd}"
|
|
chainsets="${ban_lan_inputchains_6} ${ban_lan_forwardchains_6} ${ban_wan_inputchains_6} ${ban_wan_forwardchains_6}"
|
|
fi
|
|
|
|
if { [ "${proto}" = "4" ] && [ "${ban_proto4_enabled}" = "1" ]; } || \
|
|
{ [ "${proto}" = "6" ] && [ "${ban_proto6_enabled}" = "1" ]; }
|
|
then
|
|
if [ -z "$("${ipt_cmd}" "${timeout}" -nL "${ban_chain}" 2>/dev/null)" ]
|
|
then
|
|
"${ipt_cmd}" "${timeout}" -N "${ban_chain}" 2>/dev/null
|
|
out_rc="${?}"
|
|
f_log "debug" "f_ipset ::: name: ${src_name:-"-"}, mode: ${mode:-"-"}, chain: ${ban_chain:-"-"}, out_rc: ${out_rc}"
|
|
else
|
|
out_rc=0
|
|
for chain in ${chainsets}
|
|
do
|
|
f_iptrule "-D" "${chain}" "-j ${ban_chain}"
|
|
done
|
|
fi
|
|
|
|
if [ "${ban_logsrc_enabled}" = "1" ] && [ "${out_rc}" = "0" ] && [ -z "$("${ipt_cmd}" "${timeout}" -nL "${ban_logchain_src}" 2>/dev/null)" ]
|
|
then
|
|
"${ipt_cmd}" "${timeout}" -N "${ban_logchain_src}" 2>/dev/null
|
|
out_rc="${?}"
|
|
if [ "${out_rc}" = "0" ]
|
|
then
|
|
"${ipt_cmd}" "${timeout}" -A "${ban_logchain_src}" -j LOG ${ban_logopts_src} --log-prefix "${ban_logprefix_src}"
|
|
out_rc="${?}"
|
|
if [ "${out_rc}" = "0" ]
|
|
then
|
|
"${ipt_cmd}" "${timeout}" -A "${ban_logchain_src}" -j "${ban_logtarget_src}"
|
|
out_rc="${?}"
|
|
fi
|
|
fi
|
|
f_log "debug" "f_ipset ::: name: ${src_name:-"-"}, mode: ${mode:-"-"}, logchain_src: ${ban_logchain_src:-"-"}, out_rc: ${out_rc}"
|
|
fi
|
|
|
|
if [ "${ban_logdst_enabled}" = "1" ] && [ "${out_rc}" = "0" ] && [ -z "$("${ipt_cmd}" "${timeout}" -nL "${ban_logchain_dst}" 2>/dev/null)" ]
|
|
then
|
|
"${ipt_cmd}" "${timeout}" -N "${ban_logchain_dst}" 2>/dev/null
|
|
out_rc="${?}"
|
|
if [ "${out_rc}" = "0" ]
|
|
then
|
|
"${ipt_cmd}" "${timeout}" -A "${ban_logchain_dst}" -j LOG ${ban_logopts_dst} --log-prefix "${ban_logprefix_dst}"
|
|
out_rc="${?}"
|
|
if [ "${out_rc}" = "0" ]
|
|
then
|
|
"${ipt_cmd}" "${timeout}" -A "${ban_logchain_dst}" -j "${ban_logtarget_dst}"
|
|
out_rc="${?}"
|
|
fi
|
|
fi
|
|
f_log "debug" "f_ipset ::: name: initial, mode: ${mode:-"-"}, logchain_dst: ${ban_logchain_dst:-"-"}, out_rc: ${out_rc}"
|
|
fi
|
|
fi
|
|
done
|
|
out_rc="${out_rc:-"${in_rc}"}"
|
|
f_log "debug" "f_ipset ::: name: ${src_name:-"-"}, mode: ${mode:-"-"}, out_rc: ${out_rc}"
|
|
return "${out_rc}"
|
|
;;
|
|
"create")
|
|
if [ -z "$("${ban_ipset_cmd}" -q -n list "${src_name}")" ] && \
|
|
{ [ -s "${tmp_file}" ] || [ "${src_name%_*}" = "whitelist" ] || [ "${src_name%_*}" = "blacklist" ]; }
|
|
then
|
|
max="$(awk 'END{print NR}' "${tmp_file}" 2>/dev/null)"
|
|
max=$((max+262144))
|
|
if [ "${src_name}" = "maclist" ]
|
|
then
|
|
"${ban_ipset_cmd}" create "${src_name}" hash:mac hashsize 64 maxelem "${max}" counters timeout "${ban_maclist_timeout:-"0"}"
|
|
out_rc="${?}"
|
|
elif [ "${src_name%_*}" = "whitelist" ]
|
|
then
|
|
"${ban_ipset_cmd}" create "${src_name}" hash:net hashsize 64 maxelem "${max}" family "${src_ipver}" counters timeout "${ban_whitelist_timeout:-"0"}"
|
|
out_rc="${?}"
|
|
elif [ "${src_name%_*}" = "blacklist" ]
|
|
then
|
|
"${ban_ipset_cmd}" create "${src_name}" hash:net hashsize 64 maxelem "${max}" family "${src_ipver}" counters timeout "${ban_blacklist_timeout:-"0"}"
|
|
out_rc="${?}"
|
|
else
|
|
"${ban_ipset_cmd}" create "${src_name}" hash:net hashsize 64 maxelem "${max}" family "${src_ipver}" counters
|
|
out_rc="${?}"
|
|
fi
|
|
elif [ -n "$("${ban_ipset_cmd}" -q -n list "${src_name}")" ]
|
|
then
|
|
"${ban_ipset_cmd}" -q flush "${src_name}"
|
|
out_rc="${?}"
|
|
fi
|
|
if [ -s "${tmp_file}" ] && [ "${out_rc}" = "0" ]
|
|
then
|
|
"${ban_ipset_cmd}" -q -! restore < "${tmp_file}"
|
|
out_rc="${?}"
|
|
if [ "${out_rc}" = "0" ]
|
|
then
|
|
src_list="$("${ban_ipset_cmd}" -q list "${src_name}")"
|
|
cnt="$(printf "%s\n" "${src_list}" | awk '/^Number of entries:/{print $4}')"
|
|
cnt_mac="$(printf "%s\n" "${src_list}" | grep -cE "^(([0-9A-Z][0-9A-Z]:){5}[0-9A-Z]{2} )")"
|
|
cnt_cidr="$(printf "%s\n" "${src_list}" | grep -cE "(/[0-9]{1,3} )")"
|
|
cnt_ip=$((cnt-cnt_cidr-cnt_mac))
|
|
printf "%s\n" "${cnt}" > "${tmp_cnt}"
|
|
fi
|
|
fi
|
|
f_iptables
|
|
end_ts="$(date +%s)"
|
|
out_rc="${out_rc:-"${in_rc}"}"
|
|
f_log "debug" "f_ipset ::: name: ${src_name:-"-"}, mode: ${mode:-"-"}, ipver: ${src_ipver:-"-"}, settype: ${src_settype:-"-"}, count(sum/ip/cidr/mac): ${cnt}/${cnt_ip}/${cnt_cidr}/${cnt_mac}, time: $((end_ts-start_ts)), out_rc: ${out_rc}"
|
|
return "${out_rc}"
|
|
;;
|
|
"refresh")
|
|
if [ -n "$("${ban_ipset_cmd}" -q -n list "${src_name}")" ]
|
|
then
|
|
out_rc=0
|
|
src_list="$("${ban_ipset_cmd}" -q list "${src_name}")"
|
|
cnt="$(printf "%s\n" "${src_list}" | awk '/^Number of entries:/{print $4}')"
|
|
cnt_mac="$(printf "%s\n" "${src_list}" | grep -cE "^(([0-9A-Z][0-9A-Z]:){5}[0-9A-Z]{2} )")"
|
|
cnt_cidr="$(printf "%s\n" "${src_list}" | grep -cE "(/[0-9]{1,3} )")"
|
|
cnt_ip=$((cnt-cnt_cidr-cnt_mac))
|
|
printf "%s\n" "${cnt}" > "${tmp_cnt}"
|
|
f_iptables
|
|
fi
|
|
end_ts="$(date +%s)"
|
|
out_rc="${out_rc:-"${in_rc}"}"
|
|
f_log "debug" "f_ipset ::: name: ${src_name:-"-"}, mode: ${mode:-"-"}, count(sum/ip/cidr/mac): ${cnt}/${cnt_ip}/${cnt_cidr}/${cnt_mac}, time: $((end_ts-start_ts)), out_rc: ${out_rc}"
|
|
return "${out_rc}"
|
|
;;
|
|
"suspend")
|
|
for src in ${ban_sources} ${ban_localsources}
|
|
do
|
|
if [ "${src}" = "maclist" ] && [ -n "$("${ban_ipset_cmd}" -q -n list "${src}")" ]
|
|
then
|
|
tmp_file="${ban_backupdir}/${src}.file"
|
|
"${ban_ipset_cmd}" -q save "${src}" | tail -n +2 > "${tmp_file}"
|
|
"${ban_ipset_cmd}" -q flush "${src}"
|
|
else
|
|
for proto in "4" "6"
|
|
do
|
|
if [ -n "$("${ban_ipset_cmd}" -q -n list "${src}_${proto}")" ]
|
|
then
|
|
tmp_file="${ban_backupdir}/${src}_${proto}.file"
|
|
"${ban_ipset_cmd}" -q save "${src}_${proto}" | tail -n +2 > "${tmp_file}"
|
|
"${ban_ipset_cmd}" -q flush "${src}_${proto}"
|
|
fi
|
|
done
|
|
fi
|
|
done
|
|
f_log "debug" "f_ipset ::: name: ${src:-"-"}, mode: ${mode:-"-"}"
|
|
;;
|
|
"resume")
|
|
if [ -f "${ban_backupdir}/${src_name}.file" ]
|
|
then
|
|
"${ban_ipset_cmd}" -q -! restore < "${ban_backupdir}/${src_name}.file"
|
|
out_rc="${?}"
|
|
if [ "${out_rc}" = "0" ]
|
|
then
|
|
rm -f "${ban_backupdir}/${src_name}.file"
|
|
src_list="$("${ban_ipset_cmd}" -q list "${src_name}")"
|
|
cnt="$(printf "%s\n" "${src_list}" | awk '/^Number of entries:/{print $4}')"
|
|
cnt_mac="$(printf "%s\n" "${src_list}" | grep -cE "^(([0-9A-Z][0-9A-Z]:){5}[0-9A-Z]{2} )")"
|
|
cnt_cidr="$(printf "%s\n" "${src_list}" | grep -cE "(/[0-9]{1,3} )")"
|
|
cnt_ip=$((cnt-cnt_cidr-cnt_mac))
|
|
printf "%s\n" "${cnt}" > "${tmp_cnt}"
|
|
fi
|
|
f_iptables
|
|
fi
|
|
end_ts="$(date +%s)"
|
|
out_rc="${out_rc:-"${in_rc}"}"
|
|
f_log "debug" "f_ipset ::: name: ${src_name:-"-"}, mode: ${mode:-"-"}, ipver: ${src_ipver:-"-"}, settype: ${src_settype:-"-"}, count(sum/ip/cidr/mac): ${cnt}/${cnt_ip}/${cnt_cidr}/${cnt_mac}, time: $((end_ts-start_ts)), out_rc: ${out_rc}"
|
|
return "${out_rc}"
|
|
;;
|
|
"flush")
|
|
if [ -n "$("${ban_ipset_cmd}" -q -n list "${src_name}")" ]
|
|
then
|
|
f_iptables "destroy"
|
|
out_rc=0
|
|
fi
|
|
out_rc="${out_rc:-"${in_rc}"}"
|
|
f_log "debug" "f_ipset ::: name: ${src_name:-"-"}, mode: ${mode:-"-"}, out_rc: ${out_rc}"
|
|
return "${out_rc}"
|
|
;;
|
|
"destroy")
|
|
for chain in ${ban_chain} ${ban_logchain_src} ${ban_logchain_dst}
|
|
do
|
|
if [ -n "$("${ban_ipt4_cmd}" "${timeout}" -nL "${chain}" 2>/dev/null)" ]
|
|
then
|
|
"${ban_ipt4_savecmd}" | grep -v -- "-j ${chain}" | "${ban_ipt4_restorecmd}"
|
|
"${ban_ipt4_cmd}" "${timeout}" -F "${chain}" 2>/dev/null
|
|
"${ban_ipt4_cmd}" "${timeout}" -X "${chain}" 2>/dev/null
|
|
fi
|
|
if [ -n "$("${ban_ipt6_cmd}" "${timeout}" -nL "${chain}" 2>/dev/null)" ]
|
|
then
|
|
"${ban_ipt6_savecmd}" | grep -v -- "-j ${chain}" | "${ban_ipt6_restorecmd}"
|
|
"${ban_ipt6_cmd}" "${timeout}" -F "${chain}" 2>/dev/null
|
|
"${ban_ipt6_cmd}" "${timeout}" -X "${chain}" 2>/dev/null
|
|
fi
|
|
done
|
|
for src in ${ban_sources} maclist blacklist whitelist
|
|
do
|
|
if [ "${src}" = "maclist" ] && [ -n "$("${ban_ipset_cmd}" -q -n list "${src}")" ]
|
|
then
|
|
"${ban_ipset_cmd}" -q destroy "${src}"
|
|
else
|
|
for proto in "4" "6"
|
|
do
|
|
if [ -n "$("${ban_ipset_cmd}" -q -n list "${src}_${proto}")" ]
|
|
then
|
|
"${ban_ipset_cmd}" -q destroy "${src}_${proto}"
|
|
fi
|
|
done
|
|
fi
|
|
done
|
|
f_log "debug" "f_ipset ::: name: ${src_name:-"-"}, mode: ${mode:-"-"}"
|
|
;;
|
|
esac
|
|
}
|
|
|
|
# write to syslog
|
|
#
|
|
f_log()
|
|
{
|
|
local class="${1}" log_msg="${2}"
|
|
|
|
if [ -n "${log_msg}" ] && { [ "${class}" != "debug" ] || [ "${ban_debug}" = "1" ]; }
|
|
then
|
|
if [ -x "${ban_logger_cmd}" ]
|
|
then
|
|
"${ban_logger_cmd}" -p "${class}" -t "banIP-${ban_ver%-*}[${$}]" "${log_msg}"
|
|
else
|
|
printf "%s %s %s\n" "${class}" "banIP-${ban_ver%-*}[${$}]" "${log_msg}"
|
|
fi
|
|
if [ "${class}" = "err" ]
|
|
then
|
|
f_jsnup "error"
|
|
f_ipset "destroy"
|
|
f_rmbckp
|
|
f_rmtmp
|
|
exit 1
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# kill all relevant background processes
|
|
#
|
|
f_pidx()
|
|
{
|
|
local pids ppid="${1}"
|
|
|
|
pids="$(pgrep -P "${ppid}" 2>/dev/null | awk '{ORS=" ";print $0}')"
|
|
kill -HUP "${ppid}" "${pids}" 2>/dev/null
|
|
> "${ban_bgpidfile}"
|
|
}
|
|
|
|
# start log service to trace failed ssh/luci logins
|
|
#
|
|
f_bgsrv()
|
|
{
|
|
local bg_pid action="${1}"
|
|
|
|
bg_pid="$(cat "${ban_bgpidfile}" 2>/dev/null)"
|
|
if [ "${action}" = "start" ] && [ -x "${ban_logservice}" ] && [ "${ban_monitor_enabled}" = "1" ] && [ "${ban_whitelistonly}" = "0" ]
|
|
then
|
|
if [ -n "${bg_pid}" ]
|
|
then
|
|
f_pidx "${bg_pid}"
|
|
fi
|
|
if [ -n "$(printf "%s\n" "${ban_logterms}" | grep -F "dropbear")" ]
|
|
then
|
|
ban_search="Exit before auth from|"
|
|
fi
|
|
if [ -n "$(printf "%s\n" "${ban_logterms}" | grep -F "sshd")" ]
|
|
then
|
|
ban_search="${ban_search}error: maximum authentication attempts exceeded|sshd.*Connection closed by.*\[preauth\]|"
|
|
fi
|
|
if [ -n "$(printf "%s\n" "${ban_logterms}" | grep -F "luci")" ]
|
|
then
|
|
ban_search="${ban_search}luci: failed login|"
|
|
fi
|
|
if [ -n "$(printf "%s\n" "${ban_logterms}" | grep -F "nginx")" ]
|
|
then
|
|
ban_search="${ban_search}nginx\[[0-9]+\]:.*\[error\].*open().*client: [[:alnum:].:]+|"
|
|
fi
|
|
(
|
|
"${ban_logservice}" "${ban_ver}" "${ban_search%?}" &
|
|
printf "%s" "${!}" > "${ban_bgpidfile}"
|
|
)
|
|
elif { [ "${action}" = "stop" ] || [ "${ban_monitor_enabled}" = "0" ]; } && [ -n "${bg_pid}" ]
|
|
then
|
|
f_pidx "${bg_pid}"
|
|
fi
|
|
f_log "debug" "f_bgsrv ::: action: ${action:-"-"}, bg_pid (old/new): ${bg_pid}/$(cat "${ban_bgpidfile}" 2>/dev/null), monitor_enabled: ${ban_monitor_enabled:-"-"}, log_service: ${ban_logservice:-"-"}"
|
|
}
|
|
|
|
# download controller
|
|
#
|
|
f_down()
|
|
{
|
|
local src_name="${1}" proto="${2}" src_ipver="${3}" src_url="${4}" src_rule="${5}" src_comp="${6}"
|
|
local ip start_ts end_ts src_settype src_log src_rc tmp_load tmp_file tmp_raw tmp_cnt tmp_err
|
|
|
|
start_ts="$(date +%s)"
|
|
if [ -n "$(printf "%s\n" "${ban_settype_src}" | grep -F "${src_name}")" ]
|
|
then
|
|
src_settype="src"
|
|
elif [ -n "$(printf "%s\n" "${ban_settype_dst}" | grep -F "${src_name}")" ]
|
|
then
|
|
src_settype="dst"
|
|
elif [ -n "$(printf "%s\n" "${ban_settype_all}" | grep -F "${src_name}")" ]
|
|
then
|
|
src_settype="src+dst"
|
|
else
|
|
src_settype="${ban_global_settype}"
|
|
fi
|
|
src_name="${src_name}_${proto}"
|
|
tmp_load="${ban_tmpfile}.${src_name}.load"
|
|
tmp_file="${ban_tmpfile}.${src_name}.file"
|
|
tmp_raw="${tmp_file}.raw"
|
|
tmp_cnt="${tmp_file}.cnt"
|
|
tmp_err="${tmp_file}.err"
|
|
|
|
# 'resume' mode
|
|
#
|
|
if [ "${ban_action}" = "resume" ]
|
|
then
|
|
if [ "${src_name%_*}" = "maclist" ]
|
|
then
|
|
src_name="maclist"
|
|
fi
|
|
f_ipset "resume"
|
|
src_rc="${?}"
|
|
if [ "${src_rc}" = "0" ]
|
|
then
|
|
return
|
|
fi
|
|
fi
|
|
|
|
# handle local downloads
|
|
#
|
|
case "${src_name%_*}" in
|
|
"blacklist"|"whitelist")
|
|
printf "%s\n" "0" > "${tmp_cnt}"
|
|
awk "${src_rule}" "${src_url}" > "${tmp_file}"
|
|
src_rc="${?}"
|
|
if [ "${src_rc}" = "0" ]
|
|
then
|
|
f_ipset "create"
|
|
if [ ! -f "${tmp_dns}" ] && { { [ "${proto}" = "4" ] && [ "${ban_proto4_enabled}" = "1" ]; } || \
|
|
{ [ "${proto}" = "6" ] && [ "${ban_proto6_enabled}" = "1" ] && [ "${ban_proto4_enabled}" = "0" ]; }; }
|
|
then
|
|
tmp_dns="${ban_tmpbase}/${src_name%_*}.dns"
|
|
src_rule="/^([[:alnum:]_-]{1,63}\\.)+[[:alpha:]]+([[:space:]]|$)/{print tolower(\$1)}"
|
|
awk "${src_rule}" "${src_url}" > "${tmp_dns}"
|
|
src_rc="${?}"
|
|
if [ "${src_rc}" = "0" ] && [ -s "${tmp_dns}" ]
|
|
then
|
|
( "${ban_dnsservice}" "${ban_ver}" "${ban_action}" "${src_name%_*}" "${tmp_dns}" & )
|
|
else
|
|
rm -f "${tmp_dns}"
|
|
fi
|
|
fi
|
|
else
|
|
f_log "debug" "f_down ::: name: ${src_name}, url: ${src_url}, rule: ${src_rule}, rc: ${src_rc}"
|
|
fi
|
|
return
|
|
;;
|
|
"maclist")
|
|
src_name="${src_name%_*}"
|
|
tmp_file="${ban_tmpfile}.${src_name}.file"
|
|
tmp_cnt="${tmp_file}.cnt"
|
|
tmp_err="${tmp_file}.err"
|
|
awk "${src_rule}" "${src_url}" > "${tmp_file}"
|
|
src_rc="${?}"
|
|
if [ "${src_rc}" = "0" ]
|
|
then
|
|
f_ipset "create"
|
|
else
|
|
f_log "debug" "f_down ::: name: ${src_name}, url: ${src_url}, rule: ${src_rule}, rc: ${src_rc}"
|
|
fi
|
|
return
|
|
;;
|
|
esac
|
|
|
|
# 'refresh' mode
|
|
#
|
|
if [ "${ban_action}" = "refresh" ]
|
|
then
|
|
f_ipset "refresh"
|
|
src_rc="${?}"
|
|
if [ "${src_rc}" = "0" ]
|
|
then
|
|
return
|
|
fi
|
|
fi
|
|
|
|
# 'start' mode
|
|
#
|
|
if [ "${ban_action}" = "start" ]
|
|
then
|
|
f_ipset "restore"
|
|
fi
|
|
src_rc="${?}"
|
|
if [ "${src_rc}" = "0" ]
|
|
then
|
|
awk "${src_rule}" "${tmp_load}" 2>/dev/null > "${tmp_file}"
|
|
src_rc="${?}"
|
|
if [ "${src_rc}" = "0" ]
|
|
then
|
|
f_ipset "create"
|
|
src_rc="${?}"
|
|
if [ "${src_rc}" = "0" ]
|
|
then
|
|
return
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
# handle country related downloads
|
|
#
|
|
if [ "${src_name%_*}" = "country" ]
|
|
then
|
|
for country in ${ban_countries}
|
|
do
|
|
src_log="$("${ban_fetchutil}" ${ban_fetchparm} "${tmp_raw}" "${src_url}${country}-aggregated.zone" 2>&1)"
|
|
src_rc="${?}"
|
|
if [ "${src_rc}" = "0" ]
|
|
then
|
|
cat "${tmp_raw}" 2>/dev/null >> "${tmp_load}"
|
|
else
|
|
continue
|
|
fi
|
|
done
|
|
|
|
# handle asn related downloads
|
|
#
|
|
elif [ "${src_name%_*}" = "asn" ]
|
|
then
|
|
for asn in ${ban_asns}
|
|
do
|
|
src_log="$("${ban_fetchutil}" ${ban_fetchparm} "${tmp_raw}" "${src_url}AS${asn}" 2>&1)"
|
|
src_rc="${?}"
|
|
if [ "${src_rc}" = "0" ]
|
|
then
|
|
cat "${tmp_raw}" 2>/dev/null >> "${tmp_load}"
|
|
else
|
|
continue
|
|
fi
|
|
done
|
|
|
|
# handle compressed downloads
|
|
#
|
|
elif [ -n "${src_comp}" ]
|
|
then
|
|
case "${src_comp}" in
|
|
"gz")
|
|
src_log="$("${ban_fetchutil}" ${ban_fetchparm} "${tmp_raw}" "${src_url}" 2>&1)"
|
|
src_rc="${?}"
|
|
if [ "${src_rc}" -eq 0 ]
|
|
then
|
|
zcat "${tmp_raw}" 2>/dev/null > "${tmp_load}"
|
|
src_rc="${?}"
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
# handle normal downloads
|
|
#
|
|
else
|
|
src_log="$("${ban_fetchutil}" ${ban_fetchparm} "${tmp_load}" "${src_url}" 2>&1)"
|
|
src_rc="${?}"
|
|
fi
|
|
|
|
# download post-processing (backup, restore, regex)
|
|
#
|
|
if [ "${src_rc}" = "0" ]
|
|
then
|
|
f_ipset "backup"
|
|
src_rc="${?}"
|
|
elif [ "${ban_action}" != "start" ] && [ "${ban_action}" != "refresh" ]
|
|
then
|
|
f_ipset "restore"
|
|
src_rc="${?}"
|
|
fi
|
|
if [ "${src_rc}" = "0" ]
|
|
then
|
|
awk "${src_rule}" "${tmp_load}" 2>/dev/null > "${tmp_file}"
|
|
src_rc="${?}"
|
|
if [ "${src_rc}" = "0" ]
|
|
then
|
|
f_ipset "create"
|
|
src_rc="${?}"
|
|
elif [ "${ban_action}" != "refresh" ]
|
|
then
|
|
f_ipset "refresh"
|
|
src_rc="${?}"
|
|
fi
|
|
else
|
|
src_log="$(printf "%s" "${src_log}" | awk '{ORS=" ";print $0}')"
|
|
if [ "${ban_action}" != "refresh" ]
|
|
then
|
|
f_ipset "refresh"
|
|
src_rc="${?}"
|
|
fi
|
|
f_log "debug" "f_down ::: name: ${src_name}, url: ${src_url}, rule: ${src_rule}, rc: ${src_rc}, log: ${src_log:-"-"}"
|
|
fi
|
|
}
|
|
|
|
# main controller
|
|
#
|
|
f_main()
|
|
{
|
|
local src_name src_url_4 src_rule_4 src_url_6 src_rule_6 src_comp src_rc src_ts log_raw log_merge log_ips log_count hold err_file cnt_file cnt=0
|
|
|
|
# prepare logfile excerpts (dropbear, sshd, luci)
|
|
#
|
|
if [ "${ban_autoblacklist}" = "1" ] || [ "${ban_monitor_enabled}" = "1" ]
|
|
then
|
|
log_raw="$(${ban_logread_cmd} -l "${ban_loglimit}")"
|
|
if [ -n "$(printf "%s\n" "${ban_logterms}" | grep -F "dropbear")" ]
|
|
then
|
|
log_ips="$(printf "%s\n" "${log_raw}" | grep -E "Exit before auth from" | \
|
|
awk 'match($0,/<[0-9A-f:\.]+:/){printf "%s\n",substr($0,RSTART+1,RLENGTH-2)}' | awk '!seen[$NF]++' | awk '{ORS=" ";print $NF}')"
|
|
for ip in ${log_ips}
|
|
do
|
|
log_count="$(printf "%s\n" "${log_raw}" | grep -cE "Exit before auth from <${ip}")"
|
|
if [ "${log_count}" -ge "${ban_ssh_logcount}" ]
|
|
then
|
|
log_merge="${log_merge} ${ip}"
|
|
fi
|
|
done
|
|
fi
|
|
if [ -n "$(printf "%s\n" "${ban_logterms}" | grep -F "sshd")" ]
|
|
then
|
|
log_ips="$(printf "%s\n" "${log_raw}" | grep -E "error: maximum authentication attempts exceeded|sshd.*Connection closed by.*\[preauth\]" | \
|
|
awk 'match($0,/[0-9A-f:\.]+ port/){printf "%s\n",substr($0,RSTART,RLENGTH-5)}' | awk '!seen[$NF]++' | awk '{ORS=" ";print $NF}')"
|
|
for ip in ${log_ips}
|
|
do
|
|
log_count="$(printf "%s\n" "${log_raw}" | grep -cE "error: maximum authentication attempts exceeded.*${ip}|sshd.*Connection closed by.*${ip}.*\[preauth\]")"
|
|
if [ "${log_count}" -ge "${ban_ssh_logcount}" ]
|
|
then
|
|
log_merge="${log_merge} ${ip}"
|
|
fi
|
|
done
|
|
fi
|
|
if [ -n "$(printf "%s\n" "${ban_logterms}" | grep -F "luci")" ]
|
|
then
|
|
log_ips="$(printf "%s\n" "${log_raw}" | grep -E "luci: failed login on " | \
|
|
awk 'match($0,/[0-9A-f:\.]+$/){printf "%s\n",substr($0,RSTART,RLENGTH)}' | awk '!seen[$NF]++' | awk '{ORS=" ";print $NF}')"
|
|
for ip in ${log_ips}
|
|
do
|
|
log_count="$(printf "%s\n" "${log_raw}" | grep -cE "luci: failed login on .*from ${ip}")"
|
|
if [ "${log_count}" -ge "${ban_luci_logcount}" ]
|
|
then
|
|
log_merge="${log_merge} ${ip}"
|
|
fi
|
|
done
|
|
fi
|
|
if [ -n "$(printf "%s\n" "${ban_logterms}" | grep -F "nginx")" ]
|
|
then
|
|
log_ips="$(printf "%s\n" "${log_raw}" | grep -oE "nginx\[[0-9]+\]:.*\[error\].*open().*client: [[:alnum:].:]+" | \
|
|
awk '!seen[$NF]++' | awk '{ORS=" ";print $NF}')"
|
|
for ip in ${log_ips}
|
|
do
|
|
log_count="$(printf "%s\n" "${log_raw}" | grep -cE "nginx\[[0-9]+\]:.*\[error\].*open().*client: ${ip}")"
|
|
if [ "${log_count}" -ge "${ban_nginx_logcount}" ]
|
|
then
|
|
log_merge="${log_merge} ${ip}"
|
|
fi
|
|
done
|
|
fi
|
|
fi
|
|
|
|
# prepare new black- and whitelist entries
|
|
#
|
|
if [ "${ban_autowhitelist}" = "1" ] && [ -f "${ban_whitelist}" ]
|
|
then
|
|
for ip in ${ban_subnets}
|
|
do
|
|
if [ -z "$(grep -F "${ip}" "${ban_whitelist}")" ]
|
|
then
|
|
src_ts="# added on $(date "+%d.%m.%Y %H:%M:%S")"
|
|
printf "%-42s%s\n" "${ip}" "${src_ts}" >> "${ban_whitelist}"
|
|
f_log "info" "IP address '${ip}' added to whitelist"
|
|
fi
|
|
done
|
|
fi
|
|
if [ "${ban_autoblacklist}" = "1" ] && [ -f "${ban_blacklist}" ]
|
|
then
|
|
for ip in ${log_merge}
|
|
do
|
|
if [ -z "$(grep -F "${ip}" "${ban_blacklist}")" ]
|
|
then
|
|
src_ts="# added on $(date "+%d.%m.%Y %H:%M:%S")"
|
|
printf "%-42s%s\n" "${ip}" "${src_ts}" >> "${ban_blacklist}"
|
|
f_log "info" "IP address '${ip}' added to blacklist"
|
|
fi
|
|
done
|
|
fi
|
|
|
|
# initial ipset/iptables creation
|
|
#
|
|
f_ipset "initial"
|
|
if [ "${?}" != "0" ]
|
|
then
|
|
f_log "err" "banIP processing failed, fatal error during ipset/iptables creation (${ban_sysver})"
|
|
fi
|
|
|
|
# load local source files (maclist, blacklist, whitelist)
|
|
#
|
|
for src_name in ${ban_localsources}
|
|
do
|
|
if [ "${src_name}" = "maclist" ] && [ -s "${ban_maclist}" ]
|
|
then
|
|
(
|
|
src_rule_4="/^([0-9A-z][0-9A-z]:){5}[0-9A-z]{2}([[:space:]]|$)/{print \"add ${src_name} \"toupper(\$1)}"
|
|
f_down "${src_name}" "mac" "mac" "${ban_maclist}" "${src_rule_4}"
|
|
)&
|
|
fi
|
|
if [ "${ban_proto4_enabled}" = "1" ]
|
|
then
|
|
if [ "${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 ${src_name}_4 \"\$1}"
|
|
f_down "${src_name}" "4" "inet" "${ban_blacklist}" "${src_rule_4}"
|
|
)&
|
|
elif [ "${src_name}" = "whitelist" ] && [ -s "${ban_whitelist}" ]
|
|
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 ${src_name}_4 \"\$1}"
|
|
f_down "${src_name}" "4" "inet" "${ban_whitelist}" "${src_rule_4}"
|
|
)&
|
|
fi
|
|
else
|
|
(
|
|
src_name="${src_name}_4"
|
|
f_ipset "flush"
|
|
)&
|
|
fi
|
|
if [ "${ban_proto6_enabled}" = "1" ]
|
|
then
|
|
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 ${src_name}_6 \"\$1}"
|
|
f_down "${src_name}" "6" "inet6" "${ban_blacklist}" "${src_rule_6}"
|
|
)&
|
|
elif [ "${src_name}" = "whitelist" ] && [ -s "${ban_whitelist}" ]
|
|
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 ${src_name}_6 \"\$1}"
|
|
f_down "${src_name}" "6" "inet6" "${ban_whitelist}" "${src_rule_6}"
|
|
)&
|
|
fi
|
|
else
|
|
(
|
|
src_name="${src_name}_6"
|
|
f_ipset "flush"
|
|
)&
|
|
fi
|
|
done
|
|
wait
|
|
|
|
# loop over all external sources
|
|
#
|
|
if [ "${ban_whitelistonly}" = "0" ]
|
|
then
|
|
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 ${json_objects}
|
|
do
|
|
eval json_get_var src_${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}" "${src_comp}"
|
|
)&
|
|
fi
|
|
|
|
# handle external IPv6 source downloads in a subshell
|
|
#
|
|
if [ "${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=$((cnt+1))
|
|
done
|
|
wait
|
|
fi
|
|
|
|
# error out
|
|
#
|
|
for err_file in "${ban_tmpfile}."*".err"
|
|
do
|
|
if [ -f "${err_file}" ]
|
|
then
|
|
f_log "err" "banIP processing failed, fatal iptables errors during subshell processing (${ban_sysver})"
|
|
fi
|
|
done
|
|
|
|
# finish processing
|
|
#
|
|
ban_sources=""
|
|
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=$((ban_setcnt+1))
|
|
src_name="$(printf "%s" "${cnt_file}" | grep -Eo "[a-z0-9_]+.file.cnt")"
|
|
src_name="${src_name%%.*}"
|
|
if [ -z "$(printf "%s" "${ban_sources}" | grep -F "${src_name%_*}")" ]
|
|
then
|
|
ban_sources="${ban_sources} ${src_name%_*}"
|
|
ban_allsources="${ban_allsources//${src_name%_*}/}"
|
|
fi
|
|
fi
|
|
done
|
|
for src_name in ${ban_allsources}
|
|
do
|
|
if [ "${src_name}" = "maclist" ]
|
|
then
|
|
f_ipset "flush"
|
|
else
|
|
for proto in "4" "6"
|
|
do
|
|
src_name="${src_name%_*}_${proto}"
|
|
f_ipset "flush"
|
|
if [ "${src_name%_*}" != "blacklist" ] && [ "${src_name%_*}" != "whitelist" ]
|
|
then
|
|
f_ipset "remove"
|
|
fi
|
|
done
|
|
fi
|
|
done
|
|
f_log "info" "${ban_setcnt} IPSets with overall ${ban_cnt} IPs/Prefixes loaded successfully (${ban_sysver})"
|
|
f_jsnup
|
|
f_rmtmp
|
|
f_bgsrv "start"
|
|
}
|
|
|
|
# query ipsets for certain IP
|
|
#
|
|
f_query()
|
|
{
|
|
local src proto result query_start query_end query_timeout="30" match="0" search="${1}"
|
|
|
|
if [ -z "${search}" ]
|
|
then
|
|
printf "%s\n" "::: missing search term, please submit a single ip or mac address :::"
|
|
else
|
|
query_start="$(date "+%s")"
|
|
printf "%s\n%s\n%s\n" ":::" "::: search '${search}' in banIP related IPSets" ":::"
|
|
|
|
for src in ${ban_localsources} ${ban_sources} ${ban_extrasources}
|
|
do
|
|
if [ "${src}" = "maclist" ] && [ -n "$("${ban_ipset_cmd}" -q -n list "${src}")" ]
|
|
then
|
|
result="$(ipset -q test ${src} ${search} >/dev/null 2>&1; printf "%u" "${?}")"
|
|
if [ "${result}" = "0" ]
|
|
then
|
|
match="1"
|
|
printf "%s\n" " - found in IPSet '${src}'"
|
|
break
|
|
fi
|
|
else
|
|
for proto in "4" "6"
|
|
do
|
|
if [ -n "$("${ban_ipset_cmd}" -q -n list "${src}_${proto}")" ]
|
|
then
|
|
result="$(ipset -q test ${src}_${proto} ${search} >/dev/null 2>&1; printf "%u" "${?}")"
|
|
if [ "${result}" = "0" ]
|
|
then
|
|
match="1"
|
|
printf "%s\n" " - found in IPSet '${src}_${proto}'"
|
|
fi
|
|
fi
|
|
done
|
|
fi
|
|
query_end="$(date "+%s")"
|
|
if [ "$((query_end-query_start))" -gt "${query_timeout}" ]
|
|
then
|
|
printf "%s\n\n" " - [...]"
|
|
break
|
|
fi
|
|
done
|
|
if [ "${match}" = "0" ]
|
|
then
|
|
printf "%s\n\n" " - no match"
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# generate statistics
|
|
#
|
|
f_report()
|
|
{
|
|
local report_json report_txt bg_pid content proto src src_list cnt cnt_mac cnt_cidr cnt_ip cnt_acc cnt_sum="0" cnt_set_sum="1" cnt_acc_sum="0" cnt_mac_sum="0" cnt_ip_sum="0" cnt_cidr_sum="0" cnt_set_sum="0" action="${1}"
|
|
|
|
report_json="${ban_reportdir}/ban_report.json"
|
|
report_txt="${ban_reportdir}/ban_mailreport.txt"
|
|
|
|
# build json file
|
|
#
|
|
if [ "${action}" != "json" ] && { [ -n "$("${ban_ipt4_savecmd}" | grep " ${ban_chain} ")" ] || [ -n "$("${ban_ipt6_savecmd}" | grep " ${ban_chain} ")" ]; }
|
|
then
|
|
> "${report_json}"
|
|
> "${report_txt}"
|
|
printf "%s\n" "{" >> "${report_json}"
|
|
printf "\t%s\n" "\"ipsets\": {" >> "${report_json}"
|
|
for src in ${ban_localsources} ${ban_sources} ${ban_extrasources}
|
|
do
|
|
if [ -n "$(printf "%s" "${ban_extrasources}" | grep -F "${src}")" ]
|
|
then
|
|
set_type="n/a"
|
|
else
|
|
if [ -n "$(printf "%s\n" "${ban_settype_src}" | grep -F "${src}")" ]
|
|
then
|
|
set_type="src"
|
|
elif [ -n "$(printf "%s\n" "${ban_settype_dst}" | grep -F "${src}")" ]
|
|
then
|
|
set_type="dst"
|
|
elif [ -n "$(printf "%s\n" "${ban_settype_all}" | grep -F "${src}")" ]
|
|
then
|
|
set_type="src+dst"
|
|
else
|
|
set_type="${ban_global_settype}"
|
|
fi
|
|
fi
|
|
if [ "${src}" = "maclist" ]
|
|
then
|
|
src_list="$("${ban_ipset_cmd}" -q list "${src}")"
|
|
if [ -n "${src_list}" ]
|
|
then
|
|
cnt="$(printf "%s" "${src_list}" | awk '/^Number of entries:/{print $4}')"
|
|
cnt_acc="$(printf "%s" "${src_list}" | grep -cE "packets [1-9]+")"
|
|
cnt_acc_sum=$((cnt_acc_sum+cnt_acc))
|
|
cnt_mac_sum="${cnt}"
|
|
cnt_sum=$((cnt_sum+cnt))
|
|
if [ "${cnt_set_sum}" != "0" ]
|
|
then
|
|
printf "%s\n" "," >> "${report_json}"
|
|
fi
|
|
printf "\t\t%s\n" "\"${src}\": {" >> "${report_json}"
|
|
printf "\t\t\t%s\n" "\"type\": \"${set_type}\"," >> "${report_json}"
|
|
printf "\t\t\t%s\n" "\"count\": \"${cnt}\"," >> "${report_json}"
|
|
printf "\t\t\t%s\n" "\"count_ip\": \"0\"," >> "${report_json}"
|
|
printf "\t\t\t%s\n" "\"count_cidr\": \"0\"," >> "${report_json}"
|
|
printf "\t\t\t%s\n" "\"count_mac\": \"${cnt}\"," >> "${report_json}"
|
|
printf "\t\t\t%s" "\"count_acc\": \"${cnt_acc}\"" >> "${report_json}"
|
|
printf ",\n\t\t\t%s" "\"member_acc\": [" >> "${report_json}"
|
|
printf "%s" "${src_list}" | awk 'match($0,/ packets [1-9]+/){printf "%s %s\n",$1,substr($0,RSTART+9,RLENGTH-9)}' | \
|
|
awk 'BEGIN{i=0};{i=i+1;if(i==1){printf "\n\t\t\t\t\t{\n\t\t\t\t\t\t\"member\": \"%s\",\n\t\t\t\t\t\t\"packets\": \"%s\"\n\t\t\t\t\t}",$1,$2}else{printf ",\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\"member\": \"%s\",\n\t\t\t\t\t\t\t\"packets\": \"%s\"\n\t\t\t\t\t\t}",$1,$2}}' >> "${report_json}"
|
|
printf "\n\t\t\t%s\n" "]" >> "${report_json}"
|
|
printf "\t\t%s" "}" >> "${report_json}"
|
|
cnt_set_sum=$((cnt_set_sum+1))
|
|
fi
|
|
else
|
|
for proto in "4" "6"
|
|
do
|
|
src_list="$("${ban_ipset_cmd}" -q list "${src}_${proto}")"
|
|
if [ -n "${src_list}" ]
|
|
then
|
|
cnt="$(printf "%s\n" "${src_list}" | awk '/^Number of entries:/{print $4}')"
|
|
cnt_cidr="$(printf "%s\n" "${src_list}" | grep -cE "/[0-9]{1,3} ")"
|
|
cnt_ip=$((cnt-cnt_cidr-cnt_mac))
|
|
cnt_acc="$(printf "%s\n" "${src_list}" | grep -cE "packets [1-9]+")"
|
|
cnt_cidr_sum=$((cnt_cidr_sum+cnt_cidr))
|
|
cnt_ip_sum=$((cnt_ip_sum+cnt_ip))
|
|
cnt_acc_sum=$((cnt_acc_sum+cnt_acc))
|
|
cnt_sum=$((cnt_sum+cnt))
|
|
if [ "${cnt_set_sum}" != "0" ]
|
|
then
|
|
printf "%s\n" "," >> "${report_json}"
|
|
fi
|
|
printf "\t\t%s\n" "\"${src}_${proto}\": {" >> "${report_json}"
|
|
printf "\t\t\t%s\n" "\"type\": \"${set_type}\"," >> "${report_json}"
|
|
printf "\t\t\t%s\n" "\"count\": \"${cnt}\"," >> "${report_json}"
|
|
printf "\t\t\t%s\n" "\"count_ip\": \"${cnt_ip}\"," >> "${report_json}"
|
|
printf "\t\t\t%s\n" "\"count_cidr\": \"${cnt_cidr}\"," >> "${report_json}"
|
|
printf "\t\t\t%s\n" "\"count_mac\": \"0\"," >> "${report_json}"
|
|
printf "\t\t\t%s" "\"count_acc\": \"${cnt_acc}\"" >> "${report_json}"
|
|
printf ",\n\t\t\t%s" "\"member_acc\": [" >> "${report_json}"
|
|
printf "%s" "${src_list}" | awk 'match($0,/ packets [1-9]+/){printf "%s %s\n",$1,substr($0,RSTART+9,RLENGTH-9)}' | \
|
|
awk 'BEGIN{i=0};{i=i+1;if(i==1){printf "\n\t\t\t\t\t{\n\t\t\t\t\t\t\"member\": \"%s\",\n\t\t\t\t\t\t\"packets\": \"%s\"\n\t\t\t\t\t}",$1,$2}else{printf ",\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\"member\": \"%s\",\n\t\t\t\t\t\t\t\"packets\": \"%s\"\n\t\t\t\t\t\t}",$1,$2}}' >> "${report_json}"
|
|
printf "\n\t\t\t%s\n" "]" >> "${report_json}"
|
|
printf "\t\t%s" "}" >> "${report_json}"
|
|
cnt_set_sum=$((cnt_set_sum+1))
|
|
fi
|
|
done
|
|
fi
|
|
done
|
|
printf "\n\t%s" "}" >> "${report_json}"
|
|
printf ",\n\t%s\n" "\"timestamp\": \"$(date "+%d.%m.%Y %H:%M:%S")\"," >> "${report_json}"
|
|
printf "\t%s\n" "\"cnt_set_sum\": \"${cnt_set_sum}\"," >> "${report_json}"
|
|
printf "\t%s\n" "\"cnt_ip_sum\": \"${cnt_ip_sum}\"," >> "${report_json}"
|
|
printf "\t%s\n" "\"cnt_cidr_sum\": \"${cnt_cidr_sum}\"," >> "${report_json}"
|
|
printf "\t%s\n" "\"cnt_mac_sum\": \"${cnt_mac_sum}\"," >> "${report_json}"
|
|
printf "\t%s\n" "\"cnt_sum\": \"${cnt_sum}\"," >> "${report_json}"
|
|
printf "\t%s\n" "\"cnt_acc_sum\": \"${cnt_acc_sum}\"" >> "${report_json}"
|
|
printf "%s\n" "}" >> "${report_json}"
|
|
fi
|
|
|
|
# output preparation
|
|
#
|
|
if [ -s "${report_json}" ] && { [ "${action}" = "cli" ] || [ "${action}" = "mail" ]; }
|
|
then
|
|
printf "%s\n%s\n%s\n" ":::" "::: report on all banIP related IPSets" ":::" >> "${report_txt}"
|
|
json_load_file "${report_json}" >/dev/null 2>&1
|
|
json_get_var value "timestamp" >/dev/null 2>&1
|
|
printf " + %s\n" "Report timestamp ::: ${value}" >> "${report_txt}"
|
|
json_get_var value "cnt_set_sum" >/dev/null 2>&1
|
|
printf " + %s\n" "Number of all IPSets ::: ${value:-"0"}" >> "${report_txt}"
|
|
json_get_var value "cnt_sum" >/dev/null 2>&1
|
|
printf " + %s\n" "Number of all entries ::: ${value:-"0"}" >> "${report_txt}"
|
|
json_get_var value "cnt_ip_sum" >/dev/null 2>&1
|
|
printf " + %s\n" "Number of IP entries ::: ${value:-"0"}" >> "${report_txt}"
|
|
json_get_var value "cnt_cidr_sum" >/dev/null 2>&1
|
|
printf " + %s\n" "Number of CIDR entries ::: ${value:-"0"}" >> "${report_txt}"
|
|
json_get_var value "cnt_mac_sum" >/dev/null 2>&1
|
|
printf " + %s\n" "Number of MAC entries ::: ${value:-"0"}" >> "${report_txt}"
|
|
json_get_var value "cnt_acc_sum" >/dev/null 2>&1
|
|
printf " + %s\n" "Number of accessed entries ::: ${value:-"0"}" >> "${report_txt}"
|
|
json_select "ipsets"
|
|
json_get_keys ipsetlist
|
|
if [ -n "${ipsetlist}" ]
|
|
then
|
|
printf "%s\n%s\n%s\n" ":::" "::: IPSet details" ":::" >> "${report_txt}"
|
|
printf "%-25s%-12s%-11s%-10s%-10s%-10s%-10s%s\n" " Name" "Type" "Count" "Cnt_IP" "Cnt_CIDR" "Cnt_MAC" "Cnt_ACC" "Entry details (Entry/Count)" >> "${report_txt}"
|
|
printf "%s\n" " --------------------------------------------------------------------------------------------------------------------" >> "${report_txt}"
|
|
fi
|
|
for ipset in ${ipsetlist}
|
|
do
|
|
set_info="${ipset}"
|
|
acc_info=""
|
|
json_select "${ipset}"
|
|
json_get_keys detaillist
|
|
for detail in ${detaillist}
|
|
do
|
|
if [ "${detail}" != "member_acc" ]
|
|
then
|
|
json_get_var value "${detail}" >/dev/null 2>&1
|
|
set_info="${set_info} ${value}"
|
|
elif [ "${detail}" = "member_acc" ]
|
|
then
|
|
index=1
|
|
json_select "${detail}"
|
|
while json_get_type type "${index}" && [ "${type}" = "object" ]
|
|
do
|
|
json_get_values values "${index}" >/dev/null 2>&1
|
|
acc_info="${acc_info} ${values}"
|
|
index=$((index+1))
|
|
done
|
|
json_select ".."
|
|
fi
|
|
done
|
|
printf " %-21s%-12s%-11s%-10s%-10s%-10s%s\n" ${set_info} >> "${report_txt}"
|
|
if [ -n "${acc_info}" ]
|
|
then
|
|
printf " %-25s%s\n" ${acc_info} >> "${report_txt}"
|
|
fi
|
|
printf "%s\n" " --------------------------------------------------------------------------------------------------------------------" >> "${report_txt}"
|
|
json_select ".."
|
|
done
|
|
content="$(cat "${report_txt}" 2>/dev/null)"
|
|
rm -f "${report_txt}"
|
|
fi
|
|
|
|
# report output
|
|
#
|
|
if [ "${action}" = "cli" ]
|
|
then
|
|
printf "%s\n" "${content}"
|
|
elif [ "${action}" = "json" ]
|
|
then
|
|
cat "${ban_reportdir}/ban_report.json"
|
|
elif [ "${action}" = "mail" ] && [ "${ban_mail_enabled}" = "1" ] && [ -x "${ban_mailservice}" ]
|
|
then
|
|
( "${ban_mailservice}" "${ban_ver}" "${content}" >/dev/null 2>&1 )&
|
|
bg_pid="${!}"
|
|
fi
|
|
f_log "debug" "f_report ::: action: ${action}, report_json: ${report_json}, report_txt: ${report_txt}, bg_pid: ${bg_pid:-"-"}"
|
|
}
|
|
|
|
# update runtime information
|
|
#
|
|
f_jsnup()
|
|
{
|
|
local memory entry runtime cnt_info status="${1:-"enabled"}"
|
|
|
|
if [ "${status}" = "enabled" ] || [ "${status}" = "error" ]
|
|
then
|
|
ban_endtime="$(date "+%s")"
|
|
cnt_info="${ban_setcnt} IPSets with ${ban_cnt} IPs/Prefixes"
|
|
memory="$(awk '/^MemTotal|^MemFree|^MemAvailable/{ORS="/"; print int($2/1000)}' "/proc/meminfo" 2>/dev/null | awk '{print substr($0,1,length($0)-1)}')"
|
|
if [ "$(( (ban_endtime-ban_starttime)/60 ))" -lt "60" ]
|
|
then
|
|
runtime="${ban_action}, $(( (ban_endtime-ban_starttime)/60 ))m $(( (ban_endtime-ban_starttime)%60 ))s, ${memory:-0}, $(date "+%d.%m.%Y %H:%M:%S")"
|
|
else
|
|
runtime="${ban_action}, n/a, ${memory:-0}, $(date "+%d.%m.%Y %H:%M:%S")"
|
|
fi
|
|
fi
|
|
|
|
> "${ban_rtfile}"
|
|
json_load_file "${ban_rtfile}" >/dev/null 2>&1
|
|
json_init
|
|
json_add_string "status" "${status}"
|
|
json_add_string "version" "${ban_ver}"
|
|
json_add_string "ipset_info" "${cnt_info:-"-"}"
|
|
json_add_array "active_sources"
|
|
if [ "${status}" = "running" ] || [ "${status}" = "error" ]
|
|
then
|
|
json_add_object
|
|
json_add_string "source" "-"
|
|
json_close_object
|
|
else
|
|
for entry in ${ban_sources}
|
|
do
|
|
json_add_object
|
|
json_add_string "source" "${entry}"
|
|
json_close_object
|
|
done
|
|
fi
|
|
json_close_array
|
|
json_add_array "active_devs"
|
|
for entry in ${ban_devs}
|
|
do
|
|
json_add_object
|
|
json_add_string "dev" "${entry}"
|
|
json_close_object
|
|
done
|
|
json_close_array
|
|
json_add_array "active_ifaces"
|
|
for entry in ${ban_ifaces}
|
|
do
|
|
json_add_object
|
|
json_add_string "iface" "${entry}"
|
|
json_close_object
|
|
done
|
|
json_close_array
|
|
json_add_array "active_logterms"
|
|
for entry in ${ban_logterms}
|
|
do
|
|
json_add_object
|
|
json_add_string "term" "${entry}"
|
|
json_close_object
|
|
done
|
|
json_close_array
|
|
json_add_array "active_subnets"
|
|
for entry in ${ban_subnets}
|
|
do
|
|
json_add_object
|
|
json_add_string "subnet" "${entry}"
|
|
json_close_object
|
|
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}), whitelist only: $(f_char ${ban_whitelistonly})"
|
|
json_add_string "last_run" "${runtime:-"-"}"
|
|
json_add_string "system" "${ban_sysver}"
|
|
json_dump > "${ban_rtfile}"
|
|
|
|
if [ "${ban_mail_enabled}" = "1" ] && [ -x "${ban_mailservice}" ] && { [ "${status}" = "error" ] || \
|
|
{ [ "${status}" = "enabled" ] && { [ -z "${ban_mailactions}" ] || [ -n "$(printf "%s\n" "${ban_mailactions}" | grep -F "${ban_action}")" ]; }; }; }
|
|
then
|
|
( "${ban_mailservice}" "${ban_ver}" >/dev/null 2>&1 )&
|
|
bg_pid="${!}"
|
|
fi
|
|
f_log "debug" "f_jsnup ::: status: ${status:-"-"}, action: ${ban_action}, mail_enabled: ${ban_mail_enabled}, mail_actions: ${ban_mailactions}, mail_service: ${ban_mailservice}, mail_pid: ${bg_pid:-"-"}"
|
|
}
|
|
|
|
# source required system libraries
|
|
#
|
|
if [ -r "/lib/functions.sh" ] && [ -r "/lib/functions/network.sh" ] && [ -r "/usr/share/libubox/jshn.sh" ]
|
|
then
|
|
. "/lib/functions.sh"
|
|
. "/lib/functions/network.sh"
|
|
. "/usr/share/libubox/jshn.sh"
|
|
else
|
|
f_log "err" "system libraries not found"
|
|
fi
|
|
|
|
if [ "${ban_action}" = "suspend" ] || [ "${ban_action}" = "resume" ] || \
|
|
[ "${ban_action}" = "report" ] || [ "${ban_action}" = "query" ]
|
|
then
|
|
json_load_file "${ban_rtfile}" >/dev/null 2>&1
|
|
json_get_var ban_status "status"
|
|
fi
|
|
|
|
# version information
|
|
#
|
|
if [ "${ban_action}" = "version" ]
|
|
then
|
|
printf "%s\n" "${ban_ver}"
|
|
exit 0
|
|
fi
|
|
|
|
# handle different banIP actions
|
|
#
|
|
f_load
|
|
case "${ban_action}" in
|
|
"stop")
|
|
f_bgsrv "stop"
|
|
f_ipset "destroy"
|
|
f_jsnup "stopped"
|
|
f_rmbckp
|
|
;;
|
|
"restart")
|
|
f_ipset "destroy"
|
|
f_rmbckp
|
|
f_env
|
|
f_main
|
|
;;
|
|
"suspend")
|
|
if [ "${ban_status}" = "enabled" ] && [ "${ban_whitelistonly}" = "0" ]
|
|
then
|
|
f_bgsrv "stop"
|
|
f_jsnup "running"
|
|
f_ipset "suspend"
|
|
f_jsnup "paused"
|
|
fi
|
|
f_rmtmp
|
|
;;
|
|
"resume")
|
|
if [ "${ban_status}" = "paused" ] && [ "${ban_whitelistonly}" = "0" ]
|
|
then
|
|
f_env
|
|
f_main
|
|
else
|
|
f_rmtmp
|
|
fi
|
|
;;
|
|
"query")
|
|
if [ "${ban_status}" = "enabled" ]
|
|
then
|
|
f_query "${2}"
|
|
fi
|
|
;;
|
|
"report")
|
|
if [ "${ban_status}" = "enabled" ] || [ "${2}" = "json" ]
|
|
then
|
|
f_report "${2}"
|
|
fi
|
|
;;
|
|
"start"|"reload"|"refresh")
|
|
f_env
|
|
f_main
|
|
;;
|
|
esac
|