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#!/bin/sh /etc/rc.common
# Copyright 2017-2020 Stan Grishin (stangri@melmac.net)
# shellcheck disable=SC2039,SC1091,SC2018,SC2019,SC3043,SC3057,SC3060
PKG_VERSION='dev-test'
# sysctl net.ipv4.conf.default.rp_filter=1
# sysctl net.ipv4.conf.all.rp_filter=1
# shellcheck disable=SC2034
START=94
# shellcheck disable=SC2034
USE_PROCD=1
if type extra_command 1>/dev/null 2>&1; then
extra_command 'support' "Generates output required to troubleshoot routing issues
Use '-d' option for more detailed output
Use '-p' option to automatically upload data under VPR paste.ee account
WARNING: while paste.ee uploads are unlisted, they are still publicly available
List domain names after options to include their lookup in report"
extra_command 'version' 'Show version information'
extra_command 'reload_interface' 'Reload specific interface only'
else
# shellcheck disable=SC2034
EXTRA_COMMANDS='support version'
# shellcheck disable=SC2034
EXTRA_HELP=" support Generates output required to troubleshoot routing issues
Use '-d' option for more detailed output
Use '-p' option to automatically upload data under VPR paste.ee account
WARNING: while paste.ee uploads are unlisted, they are still publicly available
List domain names after options to include their lookup in report"
fi
readonly packageName='vpn-policy-routing'
readonly serviceName="$packageName $PKG_VERSION"
readonly PIDFile="/var/run/${packageName}.pid"
readonly jsonFile="/var/run/${packageName}.json"
readonly dnsmasqFile="/var/dnsmasq.d/${packageName}"
readonly sharedMemoryOutput="/dev/shm/$packageName-output"
readonly _OK_='\033[0;32m\xe2\x9c\x93\033[0m'
readonly _FAIL_='\033[0;31m\xe2\x9c\x97\033[0m'
readonly __OK__='\033[0;32m[\xe2\x9c\x93]\033[0m'
readonly __FAIL__='\033[0;31m[\xe2\x9c\x97]\033[0m'
readonly _ERROR_='\033[0;31mERROR\033[0m'
readonly _WARNING_='\033[0;33mWARNING\033[0m'
gatewaySummary=''; errorSummary=''; warningSummary='';
serviceEnabled=''; verbosity=''; strictMode='';
wanTableID=''; wanMark=''; fwMask='';
ipv6Enabled=''; srcIpset=''; destIpset=''; resolverIpset='';
wanIface4=''; wanIface6=''; ifaceMark=''; ifaceTableID='';
ifAll=''; ifSupported=''; ignoredIfaces=''; supportedIfaces=''; icmpIface='';
wanGW4=''; wanGW6=''; bootTimeout=''; insertOption='';
webuiChainColumn=''; webuiShowIgnore=''; dnsmasqIpsetSupported='';
procdReloadDelay='';
usedChainsList='PREROUTING'
ipsetSupported='true'
configLoaded='false'
version() { echo "$PKG_VERSION"; }
output_ok() { output 1 "$_OK_"; output 2 "$__OK__\\n"; }
output_okn() { output 1 "$_OK_\\n"; output 2 "$__OK__\\n"; }
output_fail() { s=1; output 1 "$_FAIL_"; output 2 "$__FAIL__\\n"; }
output_failn() { output 1 "$_FAIL_\\n"; output 2 "$__FAIL__\\n"; }
str_replace() { printf "%b" "$1" | sed -e "s/$(printf "%b" "$2")/$(printf "%b" "$3")/g"; }
str_replace() { echo "${1//$2/$3}"; }
str_contains() { [ -n "$2" ] && [ "${1//$2}" != "$1" ]; }
str_contains_word() { echo "$1" | grep -q -w "$2"; }
str_to_lower() { echo "$1" | tr 'A-Z' 'a-z'; }
str_extras_to_underscore() { echo "$1" | tr '[\. ~`!@#$%^&*()\+/,<>?//;:]' '_'; }
str_extras_to_space() { echo "$1" | tr ';{}' ' '; }
output() {
# Can take a single parameter (text) to be output at any verbosity
# Or target verbosity level and text to be output at specifc verbosity
local msg memmsg logmsg
if [ $# -ne 1 ]; then
if [ $((verbosity & $1)) -gt 0 ] || [ "$verbosity" = "$1" ]; then shift; else return 0; fi
fi
[ -t 1 ] && printf "%b" "$1"
msg="${1//$serviceName /service }";
if [ "$(printf "%b" "$msg" | wc -l)" -gt 0 ]; then
[ -s "$sharedMemoryOutput" ] && memmsg="$(cat "$sharedMemoryOutput")"
logmsg="$(printf "%b" "${memmsg}${msg}" | sed 's/\x1b\[[0-9;]*m//g')"
logger -t "${packageName:-service} [$$]" "$(printf "%b" "$logmsg")"
rm -f "$sharedMemoryOutput"
else
printf "%b" "$msg" >> "$sharedMemoryOutput"
fi
}
is_present() { command -v "$1" >/dev/null 2>&1; }
is_installed() { [ -s "/usr/lib/opkg/info/${1}.control" ]; }
is_variant_installed() { [ "$(echo /usr/lib/opkg/info/"${1}"*.control)" != "/usr/lib/opkg/info/${1}*.control" ]; }
build_ifAll() { ifAll="${ifAll}${1} "; }
build_ifSupported() { is_supported_interface "$1" && ifSupported="${ifSupported}${1} "; }
vpr_find_iface() {
local iface i param="$2"
[ "$param" = 'wan6' ] || param='wan'
"network_find_${param}" iface
is_tunnel "$iface" && unset iface
if [ -z "$iface" ]; then
for i in $ifAll; do
if "is_${param}" "$i"; then break; else unset i; fi
done
fi
eval "$1"='${iface:-$i}'
}
vpr_get_gateway() {
local iface="$2" dev="$3" gw
network_get_gateway gw "$iface"
if [ -z "$gw" ] || [ "$gw" = '0.0.0.0' ]; then
gw="$(ip -4 a list dev "$dev" 2>/dev/null | grep inet | awk '{print $2}' | awk -F "/" '{print $1}')"
fi
eval "$1"='$gw'
}
vpr_get_gateway6() {
local iface="$2" dev="$3" gw
network_get_gateway6 gw "$iface"
if [ -z "$gw" ] || [ "$gw" = '::/0' ] || [ "$gw" = '::0/0' ] || [ "$gw" = '::' ]; then
gw="$(ip -6 a list dev "$dev" 2>/dev/null | grep inet6 | awk '{print $2}')"
fi
eval "$1"='$gw'
}
is_l2tp() { local proto; proto=$(uci -q get network."$1".proto); [ "${proto:0:4}" = "l2tp" ]; }
is_oc() { local proto; proto=$(uci -q get network."$1".proto); [ "${proto:0:11}" = "openconnect" ]; }
is_ovpn() { local dev i; for i in ifname device; do [ -z "$dev" ] && dev="$(uci -q get "network.${1}.${i}")"; done; [ "${dev:0:3}" = "tun" ] || [ "${dev:0:3}" = "tap" ] || [ -f "/sys/devices/virtual/net/${dev}/tun_flags" ]; }
is_pptp() { local proto; proto=$(uci -q get network."$1".proto); [ "${proto:0:4}" = "pptp" ]; }
is_tor() { [ "$(str_to_lower "$1")" = "tor" ]; }
is_tor_running() {
local ret=0
if [ -s "/etc/tor/torrc" ]; then
json_load "$(ubus call service list "{ 'name': 'tor' }")"
json_select 'tor'; json_select 'instances'; json_select 'instance1';
json_get_var ret 'running'; json_cleanup
fi
if [ "$ret" = "0" ]; then return 1; else return 0; fi
}
is_wg() { local proto; proto=$(uci -q get network."$1".proto); [ "${proto:0:9}" = "wireguard" ]; }
is_tunnel() { is_l2tp "$1" || is_oc "$1" || is_ovpn "$1" || is_pptp "$1" || is_tor "$1" || is_wg "$1"; }
is_wan() { [ "$1" = "$wanIface4" ] || { [ "${1##wan}" != "$1" ] && [ "${1##wan6}" = "$1" ]; } || [ "${1%%wan}" != "$1" ]; }
is_wan6() { [ -n "$wanIface6" ] && [ "$1" = "$wanIface6" ] || [ "${1/#wan6}" != "$1" ] || [ "${1/%wan6}" != "$1" ]; }
is_ignored_interface() { str_contains_word "$ignoredIfaces" "$1"; }
is_supported_interface() { str_contains_word "$supportedIfaces" "$1" || { ! is_ignored_interface "$1" && { is_wan "$1" || is_wan6 "$1" || is_tunnel "$1"; }; }; }
is_mac_address() { expr "$1" : '[0-9A-F][0-9A-F]:[0-9A-F][0-9A-F]:[0-9A-F][0-9A-F]:[0-9A-F][0-9A-F]:[0-9A-F][0-9A-F]:[0-9A-F][0-9A-F]$' >/dev/null; }
is_ipv4() { expr "$1" : '[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*$' >/dev/null; }
is_ipv6() { ! is_mac_address "$1" && str_contains "$1" ":"; }
is_family_mismatch() { ( is_netmask "${1//!}" && is_ipv6 "${2//!}" ) || ( is_ipv6 "${1//!}" && is_netmask "${2//!}" ); }
is_ipv6_link_local() { [ "${1:0:4}" = "fe80" ]; }
is_ipv6_unique_local() { [ "${1:0:2}" = "fc" ] || [ "${1:0:2}" = "fd" ]; }
is_ipv6_global() { [ "${1:0:4}" = "2001" ]; }
# is_ipv6_global() { is_ipv6 "$1" && ! is_ipv6_link_local "$1" && ! is_ipv6_link_local "$1"; }
is_netmask() { local ip="${1%/*}"; [ "$ip" != "$1" ] && is_ipv4 "$ip"; }
is_domain() { str_contains "$1" '[a-zA-Z]'; }
is_phys_dev() { [ "${1:0:1}" = "@" ] && ip l show | grep -E -q "^\\d+\\W+${1:1}"; }
is_turris() { /bin/ubus -S call system board | /bin/grep 'Turris' | /bin/grep -q '15.05'; }
is_chaos_calmer() { ubus -S call system board | grep -q 'Chaos Calmer'; }
dnsmasq_kill() { killall -q -s HUP dnsmasq; }
dnsmasq_restart() { output 3 'Restarting DNSMASQ '; if /etc/init.d/dnsmasq restart >/dev/null 2>&1; then output_okn; else output_failn; fi; }
is_default_dev() { [ "$1" = "$(ip -4 r | grep -m1 'dev' | grep -Eso 'dev [^ ]*' | awk '{print $2}')" ]; }
is_supported_iface_dev() {
for n in $ifSupported; do
if [ "$1" = "$(uci -q get "network.${n}.ifname" || echo "$n")" ] || \
[ "$1" = "$(uci -q get "network.${n}.device" || echo "$n")" ] || \
[ "$1" = "$(uci -q get "network.${n}.proto")-${n}" ] ; then return 0; fi
done
return 1
}
is_supported_protocol () { grep -o '^[^#]*' /etc/protocols | grep -w -v '0' | grep . | awk '{print $1}' | grep -q "$1"; }
append_chains_targets() {
local chain iface name
config_get name "$1" 'name' 'blank'
config_get chain "$1" 'chain' 'PREROUTING'
config_get iface "$1" 'interface'
if ! str_contains_word "$usedChainsList" "$chain"; then
usedChainsList="$usedChainsList $chain"
if [ "$chain" != 'PREROUTING' ] && [ "$webuiChainColumn" != '1' ]; then
warningSummary="${warningSummary}$_WARNING_: Chain '$chain' is used by a policy '$name', but a WebUI setting to show chains column (webui_chain_column) is disabled!\\n"
fi
fi
if [ "$iface" = 'ignore' ] && ! str_contains_word "$supportedIfaces" 'ignore'; then
supportedIfaces="$supportedIfaces ignore"
if [ "$webuiShowIgnore" != '1' ]; then
warningSummary="${warningSummary}$_WARNING_: The 'ignore' target is used by a policy '$name', but a WebUI setting to show 'ignore' target (webui_show_ignore_target) is disabled!\\n"
fi
fi
}
load_package_config() {
[ "$configLoaded" = 'false' ] || return 0
config_load "$packageName"
config_get_bool serviceEnabled 'config' 'enabled' 0
config_get_bool strictMode 'config' 'strict_enforcement' 1
config_get_bool ipv6Enabled 'config' 'ipv6_enabled' 0
config_get_bool srcIpset 'config' 'src_ipset' 0
config_get_bool destIpset 'config' 'dest_ipset' 0
config_get resolverIpset 'config' 'resolver_ipset' 'dnsmasq.ipset'
config_get verbosity 'config' 'verbosity' '2'
config_get wanTableID 'config' 'wan_tid' '201'
config_get wanMark 'config' 'wan_mark' '0x010000'
config_get fwMask 'config' 'fw_mask' '0xff0000'
config_get icmpIface 'config' 'icmp_interface'
config_get ignoredIfaces 'config' 'ignored_interface'
config_get supportedIfaces 'config' 'supported_interface'
config_get bootTimeout 'config' 'boot_timeout' '30'
config_get insertOption 'config' 'iptables_rule_option' 'append'
config_get procdReloadDelay 'config' 'procd_reload_delay' '0'
config_get_bool webuiChainColumn 'config' 'webui_chain_column' '0'
config_get_bool webuiShowIgnore 'config' 'webui_show_ignore_target' '0'
config_foreach append_chains_targets 'policy'
if [ -z "${verbosity##*[!0-9]*}" ] || [ "$verbosity" -lt 0 ] || [ "$verbosity" -gt 2 ]; then
verbosity=2
fi
. /lib/functions/network.sh
. /usr/share/libubox/jshn.sh
mkdir -p "${PIDFile%/*}"
mkdir -p "${jsonFile%/*}"
mkdir -p "${dnsmasqFile%/*}"
if [ -n "$icmpIface" ] && ! str_contains_word "$usedChainsList" 'OUTPUT'; then
usedChainsList="$usedChainsList OUTPUT"
fi
case $insertOption in
insert|-i|-I) insertOption='-I';;
append|-a|-A|*) insertOption='-A';;
esac
[ "$resolverIpset" = 'dnsmasq.ipset' ] && dnsmasqIpsetSupported='true'
if dnsmasq -v 2>/dev/null | grep -q 'no-ipset' || ! dnsmasq -v 2>/dev/null | grep -q -w 'ipset'; then
unset dnsmasqIpsetSupported
if [ -n "$dnsmasqIpsetSupported" ]; then
errorSummary="${errorSummary}${_ERROR_}: Resolver ipset support (dnsmasq.ipset) is enabled in $packageName, but DNSMASQ ipsets are not supported on this system!\\n"
fi
fi
if ! ipset help hash:net >/dev/null 2>&1; then
unset ipsetSupported
if [ -n "$dnsmasqIpsetSupported" ]; then
errorSummary="${errorSummary}${_ERROR_}: DNSMASQ ipsets are supported, but ipset is either not installed or installed ipset does not support 'hash:net' type!\\n"
unset dnsmasqIpsetSupported
fi
if [ "$destIpset" -ne 0 ]; then
errorSummary="${errorSummary}${_ERROR_}: Destination ipset support is enabled in $packageName, but ipset is either not installed or installed ipset does not support 'hash:net' type!\\n"
destIpset=0
fi
if [ "$srcIpset" -ne 0 ]; then
errorSummary="${errorSummary}${_ERROR_}: Source ipset support is enabled in $packageName, but ipset is either not installed or installed ipset does not support 'hash:net' type!\\n"
srcIpset=0
fi
fi
if ! ipset help hash:mac >/dev/null 2>&1; then
if [ "$srcIpset" -ne 0 ]; then
errorSummary="${errorSummary}${_ERROR_}: Source ipset support is enabled in $packageName, but ipset is either not installed or installed ipset does not support 'hash:mac' type!\\n"
srcIpset=0
fi
fi
configLoaded='true'
}
is_enabled() {
load_package_config
if [ "$serviceEnabled" -eq 0 ]; then
if [ "$1" = 'on_start' ]; then
errorSummary="${errorSummary}${_ERROR_}: ${packageName} is currently disabled.\\n"
errorSummary="${errorSummary}Enable ${packageName} from WebUI or run the following commands:\\n"
errorSummary="${errorSummary}uci set $packageName.config.enabled='1'; uci commit $packageName;\\n"
fi
return 1
fi
}
load_network() {
if [ -z "$ifAll" ]; then
config_load 'network'
config_foreach build_ifAll 'interface'
fi
vpr_find_iface wanIface4 'wan'
[ "$ipv6Enabled" -ne 0 ] && vpr_find_iface wanIface6 'wan6'
[ -n "$wanIface4" ] && network_get_gateway wanGW4 "$wanIface4"
[ -n "$wanIface6" ] && network_get_gateway6 wanGW6 "$wanIface6"
wanGW="${wanGW4:-$wanGW6}"
unset ifSupported
config_load 'network'
config_foreach build_ifSupported 'interface'
}
is_wan_up() {
local sleepCount=1
load_network
while [ -z "$wanGW" ] ; do
load_network
if [ $((sleepCount)) -gt $((bootTimeout)) ] || [ -n "$wanGW" ]; then break; fi
output "$serviceName waiting for wan gateway...\\n"
sleep 1
network_flush_cache
sleepCount=$((sleepCount+1))
done
if [ -n "$wanGW" ]; then
return 0
else
errorSummary="${errorSummary}${_ERROR_}: ${serviceName} failed to discover WAN gateway!\\n"
return 1
fi
}
ipt_cleanup() {
local i
for i in PREROUTING FORWARD INPUT OUTPUT; do
while iptables -t mangle -D $i -m mark --mark 0x0/0xff0000 -j VPR_${i} >/dev/null 2>&1; do : ; done
done
for i in PREROUTING FORWARD INPUT OUTPUT; do
while iptables -t mangle -D $i -j VPR_${i} >/dev/null 2>&1; do : ; done
done
}
# shellcheck disable=SC2086
ipt() {
local d failFlagIpv4=1 failFlagIpv6=1
for d in "${*//-A/-D}" "${*//-I/-D}" "${*//-N/-F}" "${*//-N/-X}"; do
[ "$d" != "$*" ] && { iptables $d >/dev/null 2>&1; ip6tables $d >/dev/null 2>&1; }
done
d="$*"; iptables $d >/dev/null 2>&1 && failFlagIpv4=0;
if [ "$ipv6Enabled" -gt 0 ]; then ip6tables $d >/dev/null 2>&1 && failFlagIpv6=0; fi
[ "$failFlagIpv4" -eq 0 ] || [ "$failFlagIpv6" -eq 0 ]
}
# shellcheck disable=SC2086
ips() {
local command="$1" ipset="${2//-/_}" param="$3" comment="$4" appendix failFlag=0
if str_contains "$ipset" '_ip'; then
ipset="${ipset//_ip}"; appendix='_ip';
elif str_contains "$ipset" '_mac'; then
ipset="${ipset//_mac}"; appendix='_mac';
fi
case "$command" in
add_dnsmasq)
[ "$resolverIpset" = "dnsmasq.ipset" ] || return 1
if [ -z "$dnsmasqIpsetSupported" ]; then
warningSummary="${warningSummary}${_WARNING_}: The 'resolver_ipset' is set to 'dnsmasq.ipset', but DNSMASQ ipsets are not supported on this system!\\n"
failFlag=1
elif [ "$ipv6Enabled" -ne 0 ]; then
echo "ipset=/${param}/${ipset},${ipset}6 # $comment" >> "$dnsmasqFile" || failFlag=1
else
echo "ipset=/${param}/${ipset} # $comment" >> "$dnsmasqFile" || failFlag=1
fi
;;
add)
if [ -z "$appendix" ] && [ "$destIpset" -eq 0 ]; then return 1; fi
if [ -n "$appendix" ] && [ "$srcIpset" -eq 0 ]; then return 1; fi
if [ "$ipv6Enabled" -ne 0 ] && [ "$appendix" != "_mac" ]; then
ipset -q -! $command "${ipset}6${appendix}" $param comment "$comment" || failFlag=1
fi
ipset -q -! $command "${ipset}${appendix}" $param comment "$comment" || failFlag=1
;;
create)
if [ "$ipv6Enabled" -ne 0 ] && [ "$appendix" != "_mac" ]; then
ipset -q -! "$command" "${ipset}6${appendix}" $param family inet6 || failFlag=1
fi
ipset -q -! "$command" "${ipset}${appendix}" $param || failFlag=1
;;
destroy|flush)
ipset -q -! "$command" "${ipset}6${appendix}" 2>/dev/null || failFlag=1
ipset -q -! "$command" "${ipset}${appendix}" 2>/dev/null || failFlag=1
return 0
;;
esac
return $failFlag
}
insert_tor_policy() {
local comment="$1" iface="$2" laddr="$3" lport="$4" raddr="$5" rport="$6" proto chain
proto="$(str_to_lower "$7")"
chain="${8:-PREROUTING}"
if [ -n "${laddr}${lport}${rport}" ]; then
processPolicyWarning="${processPolicyWarning}${_WARNING_}: Please unset 'src_addr', 'src_port' and 'dest_port' for policy '$comment'\\n"
fi
if [ -n "$proto" ] && [ "$proto" != "all" ]; then
processPolicyWarning="${processPolicyWarning}${_WARNING_}: Please unset 'proto' or set 'proto' to 'all' for policy '$comment'\\n"
fi
if [ "$chain" != "PREROUTING" ]; then
processPolicyWarning="${processPolicyWarning}${_WARNING_}: Please unset 'chain' or set 'chain' to 'PREROUTING' for policy '$comment'\\n"
fi
ips 'add' "${iface}" "$raddr" "${comment}: $raddr" || processPolicyError="${processPolicyError}${_ERROR_}: ipset 'add' $iface $raddr\\n"
return 0
}
insert_policy() {
local comment="$1" iface="$2" laddr="$3" lport="$4" raddr="$5" rport="$6" proto chain
local mark param i valueNeg value dest ipInsertOption="-A"
proto="$(str_to_lower "$7")"
chain="${8:-PREROUTING}"
mark=$(eval echo "\$mark_${iface//-/_}")
if [ "$ipv6Enabled" -eq 0 ] && ( is_ipv6 "$laddr" || is_ipv6 "$raddr" ); then
processPolicyError="${processPolicyError}${_ERROR_}: Skipping IPv6 policy '$comment' as IPv6 support is disabled\\n"
return 1
fi
if [ -n "$mark" ]; then
dest="-g VPR_MARK${mark}"
elif [ "$iface" = "ignore" ]; then
dest="-j RETURN"
else
processPolicyError="${processPolicyError}${_ERROR_}: Unknown fw_mark for ${iface}\\n"
return 0
fi
if [ -z "$proto" ]; then
if [ -n "$lport" ] || [ -n "$rport" ]; then
proto='tcp udp'
else
proto='all'
fi
fi
if is_family_mismatch "$laddr" "$raddr"; then
processPolicyError="${processPolicyError}${_ERROR_}: Mismatched IP family between '$laddr' and '$raddr' in policy '$comment'\\n"
return 0
fi
for i in $proto; do
if [ "$i" = 'all' ]; then
param="-t mangle ${ipInsertOption} VPR_${chain} $dest"
elif ! is_supported_protocol "$i"; then
processPolicyError="${processPolicyError}${_ERROR_}: Unknown protocol '$i' in policy '$comment'\\n"
return 0
else
param="-t mangle ${ipInsertOption} VPR_${chain} $dest -p $i"
fi
if [ -n "$laddr" ]; then
if [ "${laddr:0:1}" = "!" ]; then
valueNeg='!'; value="${laddr:1}"
else
unset valueNeg; value="$laddr";
fi
if is_phys_dev "$value"; then
param="$param $valueNeg -m physdev --physdev-in ${value:1}"
elif is_mac_address "$value"; then
param="$param -m mac $valueNeg --mac-source $value"
else
param="$param $valueNeg -s $value"
fi
fi
if [ -n "$lport" ]; then
if [ "${lport:0:1}" = "!" ]; then
valueNeg='!'; value="${lport:1}"
else
unset valueNeg; value="$lport";
fi
param="$param -m multiport $valueNeg --sport ${value//-/:}"
fi
if [ -n "$raddr" ]; then
if [ "${raddr:0:1}" = "!" ]; then
valueNeg='!'; value="${raddr:1}"
else
unset valueNeg; value="$raddr";
fi
param="$param $valueNeg -d $value"
fi
if [ -n "$rport" ]; then
if [ "${rport:0:1}" = "!" ]; then
valueNeg='!'; value="${rport:1}"
else
unset valueNeg; value="$rport";
fi
param="$param -m multiport $valueNeg --dport ${value//-/:}"
fi
[ -n "$comment" ] && param="$param -m comment --comment $(str_extras_to_underscore "$comment")"
ipt "$param" || processPolicyError="${processPolicyError}${_ERROR_}: iptables $param\\n"
done
return 0
}
r_process_policy(){
local comment="$1" iface="$2" laddr="$3" lport="$4" raddr="$5" rport="$6" proto="$7" chain="$8" resolved_laddr resolved_raddr i ipsFailFlag
if str_contains "$laddr" '[ ;\{\}]'; then
for i in $(str_extras_to_space "$laddr"); do [ -n "$i" ] && r_process_policy "$comment" "$iface" "$i" "$lport" "$raddr" "$rport" "$proto" "$chain"; done
return 0
elif str_contains "$lport" '[ ;\{\}]'; then
for i in $(str_extras_to_space "$lport"); do [ -n "$i" ] && r_process_policy "$comment" "$iface" "$laddr" "$i" "$raddr" "$rport" "$proto" "$chain"; done
return 0
elif str_contains "$raddr" '[ ;\{\}]'; then
for i in $(str_extras_to_space "$raddr"); do [ -n "$i" ] && r_process_policy "$comment" "$iface" "$laddr" "$lport" "$i" "$rport" "$proto" "$chain"; done
return 0
elif str_contains "$rport" '[ ;\{\}]'; then
for i in $(str_extras_to_space "$rport"); do [ -n "$i" ] && r_process_policy "$comment" "$iface" "$laddr" "$lport" "$raddr" "$i" "$proto" "$chain"; done
return 0
fi
# start non-recursive processing
# process TOR, netmask, physical device and mac-address separately, so we don't send them to resolveip
if is_tor "$iface"; then
insert_tor_policy "$comment" "$iface" "$laddr" "$lport" "$raddr" "$rport" "$proto" "$chain"
elif is_phys_dev "$laddr"; then
insert_policy "$comment" "$iface" "$laddr" "$lport" "$raddr" "$rport" "$proto" "$chain"
elif [ -n "$laddr" ] && [ -z "${lport}${raddr}${rport}" ] && [ "$chain" = 'PREROUTING' ]; then
if is_mac_address "$laddr"; then
if [ -n "$proto" ] && [ "$proto" != 'all' ] && [ "$srcIpset" -ne 0 ]; then
processPolicyWarning="${processPolicyWarning}${_WARNING_}: Please unset 'proto' or set 'proto' to 'all' for policy: '$comment', mac-address: '$laddr'\\n"
fi
ips 'add' "${iface}_mac" "$laddr" "${comment}: $laddr" || ipsFailFlag=1
else
if [ -n "$proto" ] && [ "$proto" != "all" ] && [ "$srcIpset" -ne 0 ]; then
processPolicyWarning="${processPolicyWarning}${_WARNING_}: Please unset 'proto' or set 'proto' to 'all' for policy: '$comment', source: '$laddr'\\n"
fi
ips 'add' "${iface}_ip" "$laddr" "${comment}: $laddr" || ipsFailFlag=1
fi
elif [ -n "$raddr" ] && [ -z "${laddr}${lport}${rport}" ] && [ "$chain" = 'PREROUTING' ]; then
if [ -n "$proto" ] && [ "$proto" != 'all' ]; then
processPolicyWarning="${processPolicyWarning}${_WARNING_}: Please unset 'proto' or set 'proto' to 'all' for policy: '$comment', destination: '$raddr'\\n"
fi
if is_domain "$raddr"; then
ips 'add_dnsmasq' "${iface}" "$raddr" "${comment}" || ipsFailFlag=1
else
ips 'add' "${iface}" "$raddr" "${comment}: $raddr" || ipsFailFlag=1
fi
else
ipsFailFlag=1
fi
[ -n "$ipsFailFlag" ] || return 0;
if is_mac_address "$laddr"; then
insert_policy "$comment" "$iface" "$laddr" "$lport" "$raddr" "$rport" "$proto" "$chain"
elif is_netmask "$laddr" || is_netmask "$raddr"; then
insert_policy "$comment" "$iface" "$laddr" "$lport" "$raddr" "$rport" "$proto" "$chain"
else
[ -n "$laddr" ] && resolved_laddr="$(resolveip "$laddr")"
[ -n "$raddr" ] && resolved_raddr="$(resolveip "$raddr")"
if [ -n "$resolved_laddr" ] && [ "$resolved_laddr" != "$laddr" ]; then
for i in $resolved_laddr; do [ -n "$i" ] && r_process_policy "$comment $laddr" "$iface" "$i" "$lport" "$raddr" "$rport" "$proto" "$chain"; done
elif [ -n "$resolved_raddr" ] && [ "$resolved_raddr" != "$raddr" ]; then
for i in $resolved_raddr; do [ -n "$i" ] && r_process_policy "$comment $raddr" "$iface" "$laddr" "$lport" "$i" "$rport" "$proto" "$chain"; done
else
insert_policy "$comment" "$iface" "$laddr" "$lport" "$raddr" "$rport" "$proto" "$chain"
fi
fi
}
process_policy(){
local name comment iface laddr lport raddr rport param mark processPolicyError processPolicyWarning proto chain enabled
config_get comment "$1" 'comment'
config_get name "$1" 'name' 'blank'
config_get iface "$1" 'interface'
config_get laddr "$1" 'src_addr'
config_get lport "$1" 'src_port'
config_get raddr "$1" 'dest_addr'
config_get rport "$1" 'dest_port'
config_get proto "$1" 'proto'
config_get chain "$1" 'chain' 'PREROUTING'
config_get_bool enabled "$1" 'enabled' 1
[ "$enabled" -gt 0 ] || return 0
proto="$(str_to_lower "$proto")"
[ "$proto" = 'auto' ] && unset proto
comment="${comment:-$name}"
output 2 "Routing '$comment' via $iface "
if [ -z "$comment" ]; then
errorSummary="${errorSummary}${_ERROR_}: Policy name is empty\\n"
output_fail; return 1;
fi
if [ -z "${laddr}${lport}${raddr}${rport}" ]; then
errorSummary="${errorSummary}${_ERROR_}: Policy '$comment' missing all IPs/ports\\n"
output_fail; return 1;
fi
if [ -z "$iface" ]; then
errorSummary="${errorSummary}${_ERROR_}: Policy '$comment' has no assigned interface\\n"
output_fail; return 1;
fi
if ! is_supported_interface "$iface"; then
errorSummary="${errorSummary}${_ERROR_}: Policy '$comment' has unknown interface: '${iface}'\\n"
output_fail; return 1;
fi
lport="${lport// / }"; lport="${lport// /,}"; lport="${lport//,\!/ !}";
rport="${rport// / }"; rport="${rport// /,}"; rport="${rport//,\!/ !}";
r_process_policy "$comment" "$iface" "$laddr" "$lport" "$raddr" "$rport" "$proto" "$chain"
if [ -n "$processPolicyWarning" ]; then
warningSummary="${warningSummary}${processPolicyWarning}\\n"
fi
if [ -n "$processPolicyError" ]; then
output_fail
errorSummary="${errorSummary}${processPolicyError}\\n"
else
output_ok
fi
}
table_destroy(){
local tid="$1" iface="$2" mark="$3"
if [ -n "$tid" ] && [ -n "$iface" ] && [ -n "$mark" ]; then
ipt -t mangle -F "VPR_MARK${mark}"
ipt -t mangle -X "VPR_MARK${mark}"
ip -4 rule del fwmark "$mark" table "$tid" >/dev/null 2>&1
ip -6 rule del fwmark "$mark" table "$tid" >/dev/null 2>&1
ip -4 rule del table "$tid" >/dev/null 2>&1
ip -6 rule del table "$tid" >/dev/null 2>&1
ip -4 route flush table "$tid" >/dev/null 2>&1
ip -6 route flush table "$tid" >/dev/null 2>&1
ips 'flush' "${iface}"; ips 'destroy' "${iface}";
ips 'flush' "${iface}_ip"; ips 'destroy' "${iface}_ip";
ips 'flush' "${iface}_mac"; ips 'destroy' "${iface}_mac";
ip -4 route flush cache
ip -6 route flush cache
sed -i "/$iface/d" /etc/iproute2/rt_tables
return 0
else
return 1
fi
}
# shellcheck disable=SC2086
table_create(){
local tid="$1" mark="$2" iface="$3" gw4="$4" dev="$5" gw6="$6" dev6="$7" match="$8" dscp s=0 i ipv4_error=0 ipv6_error=1
if [ -z "$tid" ] || [ -z "$mark" ] || [ -z "$iface" ]; then
return 1
fi
table_destroy "$tid" "$iface" "$mark"
if [ -n "$gw4" ] || [ "$strictMode" -ne 0 ]; then
echo "$tid" "$iface" >> /etc/iproute2/rt_tables
if [ -z "$gw4" ]; then
ip -4 route add unreachable default table "$tid" >/dev/null 2>&1 || ipv4_error=1
else
ip -4 route add default via "$gw4" dev "$dev" table "$tid" >/dev/null 2>&1 || ipv4_error=1
fi
# ip -4 route list table main | grep -v 'br-lan' | while read -r i; do
ip -4 route list table main | while read -r i; do
idev="$(echo "$i" | grep -Eso 'dev [^ ]*' | awk '{print $2}')"
if ! is_supported_iface_dev "$idev"; then
ip -4 route add $i table "$tid" >/dev/null 2>&1 || ipv4_error=1
fi
done
ip -4 route flush cache || ipv4_error=1
ip -4 rule add fwmark "${mark}/${fwMask}" table "$tid" || ipv4_error=1
ipt -t mangle -N "VPR_MARK${mark}" || ipv4_error=1
ipt -t mangle -A "VPR_MARK${mark}" -j MARK --set-xmark "${mark}/${fwMask}" || ipv4_error=1
ipt -t mangle -A "VPR_MARK${mark}" -j RETURN || ipv4_error=1
fi
if [ "$ipv6Enabled" -ne 0 ]; then
ipv6_error=0
if { [ -n "$gw6" ] && [ "$gw6" != "::/0" ]; } || [ "$strictMode" -ne 0 ]; then
if [ -z "$gw6" ] || [ "$gw6" = "::/0" ]; then
ip -6 route add unreachable default table "$tid" || ipv6_error=1
else
ip -6 route list table main | grep " dev $dev6 " | while read -r i; do
ip -6 route add $i table "$tid" >/dev/null 2>&1 || ipv6_error=1
done
fi
ip -6 route flush cache || ipv6_error=1
ip -6 rule add fwmark "${mark}/${fwMask}" table "$tid" || ipv6_error=1
fi
fi
if [ $ipv4_error -eq 0 ] || [ $ipv6_error -eq 0 ]; then
dscp="$(uci -q get "${packageName}".config."${iface}"_dscp)"
if [ "${dscp:-0}" -ge 1 ] && [ "${dscp:-0}" -le 63 ]; then
ipt -t mangle -I VPR_PREROUTING -m dscp --dscp "${dscp}" -g "VPR_MARK${mark}" || s=1
fi
if [ -n "$ipsetSupported" ] && { [ -n "$dnsmasqIpsetSupported" ] || [ "$destIpset" -ne 0 ]; }; then
if ips 'create' "${iface}" 'hash:net comment' && ips 'flush' "${iface}"; then
for i in $usedChainsList; do
ipt -t mangle -I VPR_${i} -m set --match-set "${iface}" dst -g "VPR_MARK${mark}" || s=1
if [ "$ipv6Enabled" -ne 0 ]; then ipt -t mangle -I VPR_${i} -m set --match-set "${iface}6" dst -g "VPR_MARK${mark}" || s=1; fi
done
else
s=1
fi
fi
if [ -n "$ipsetSupported" ] && [ "$srcIpset" -ne 0 ]; then
if ips 'create' "${iface}_ip" 'hash:net comment' && ips 'flush' "${iface}_ip"; then
ipt -t mangle -I VPR_PREROUTING -m set --match-set "${iface}_ip" src -g "VPR_MARK${mark}" || s=1
if [ "$ipv6Enabled" -ne 0 ]; then ipt -t mangle -I VPR_PREROUTING -m set --match-set "${iface}6_ip" src -g "VPR_MARK${mark}" || s=1; fi
else
s=1
fi
if ips 'create' "${iface}_mac" 'hash:mac comment' && ips 'flush' "${iface}_mac"; then
ipt -t mangle -I VPR_PREROUTING -m set --match-set "${iface}_mac" src -g "VPR_MARK${mark}" || s=1
else
s=1
fi
fi
if [ "$iface" = "$icmpIface" ]; then
ipt -t mangle -I VPR_OUTPUT -p icmp -g "VPR_MARK${mark}" || s=1
fi
else
s=1
fi
return $s
}
table_reload() {
local tid="$1" mark="$2" iface="$3" gw4="$4" dev="$5" gw6="$6" dev6="$7" match="$8" dscp s=0 i ipv4_error=0 ipv6_error=1
if [ -z "$tid" ] || [ -z "$mark" ] || [ -z "$iface" ]; then
return 1
fi
ip -4 route del default table "$tid" >/dev/null 2>&1
if [ -n "$gw4" ] || [ "$strictMode" -ne 0 ]; then
if [ -z "$gw4" ]; then
ip -4 route add unreachable default table "$tid" >/dev/null 2>&1 || ipv4_error=1
else
ip -4 route add default via "$gw4" dev "$dev" table "$tid" >/dev/null 2>&1 || ipv4_error=1
fi
ip -4 route flush cache || ipv4_error=1
ip -4 rule del fwmark "${mark}/${fwMask}" table "$tid" >/dev/null 2>&1
ip -4 rule add fwmark "${mark}/${fwMask}" table "$tid" || ipv4_error=1
fi
if [ "$ipv6Enabled" -ne 0 ]; then
ip -6 route del default table "$tid" >/dev/null 2>&1
ipv6_error=0
if { [ -n "$gw6" ] && [ "$gw6" != "::/0" ]; } || [ "$strictMode" -ne 0 ]; then
if [ -z "$gw6" ] || [ "$gw6" = "::/0" ]; then
ip -6 route add unreachable default table "$tid" || ipv6_error=1
else
ip -6 route list table main | grep " dev $dev6 " | while read -r i; do
ip -6 route add "$i" table "$tid" >/dev/null 2>&1 || ipv6_error=1
done
fi
ip -6 route flush cache || ipv6_error=1
ip -6 rule del fwmark "${mark}/${fwMask}" table "$tid" >/dev/null 2>&1
ip -6 rule add fwmark "${mark}/${fwMask}" table "$tid" || ipv6_error=1
fi
fi
if [ $ipv4_error -eq 0 ] || [ $ipv6_error -eq 0 ]; then
dscp="$(uci -q get "${packageName}".config."${iface}"_dscp)"
if [ "${dscp:-0}" -ge 1 ] && [ "${dscp:-0}" -le 63 ]; then
ipt -t mangle -I VPR_PREROUTING -m dscp --dscp "${dscp}" -g "VPR_MARK${mark}" || s=1
fi
if [ "$iface" = "$icmpIface" ]; then
ipt -t mangle -I VPR_OUTPUT -p icmp -g "VPR_MARK${mark}" || s=1
fi
else
s=1
fi
return $s
}
process_interface(){
local gw4 gw6 dev dev6 s=0 dscp iface="$1" action="$2" match="$3" displayText
is_supported_interface "$iface" || return 0
is_wan6 "$iface" && return 0
[ $((ifaceMark)) -gt $((fwMask)) ] && return 1
network_get_device dev "$iface"
[ -z "$dev" ] && config_get dev "$iface" 'ifname'
[ -z "$dev" ] && config_get dev "$iface" 'device'
if is_wan "$iface" && [ -n "$wanIface6" ]; then
network_get_device dev6 "$wanIface6"
[ -z "$dev6" ] && config_get dev6 "$wanIface6" 'ifname'
[ -z "$dev6" ] && config_get dev6 "$wanIface6" 'device'
fi
[ -z "$dev6" ] && dev6="$dev"
[ -z "$ifaceTableID" ] && ifaceTableID="$wanTableID"; [ -z "$ifaceMark" ] && ifaceMark="$wanMark";
case "$action" in
destroy)
table_destroy "${ifaceTableID}" "${iface}" "${ifaceMark}"
ifaceTableID="$((ifaceTableID + 1))"; ifaceMark="$(printf '0x%06x' $((ifaceMark + wanMark)))";
;;
create)
eval "mark_${iface//-/_}"='$ifaceMark'
eval "tid_${iface//-/_}"='$ifaceTableID'
if [ -z "$match" ]; then
table_destroy "$ifaceTableID" "$iface"
fi
vpr_get_gateway gw4 "$iface" "$dev"
vpr_get_gateway6 gw6 "$iface" "$dev6"
if [ "$iface" = "$dev" ]; then
displayText="${iface}/${gw4:-0.0.0.0}"
else
displayText="${iface}/${dev}/${gw4:-0.0.0.0}"
fi
[ "$ipv6Enabled" -ne 0 ] && displayText="${displayText}/${gw6:-::/0}"
if [ -z "$match" ]; then
output 2 "Creating table '$displayText' "
is_default_dev "$dev" && displayText="${displayText} ${__OK__}"
if table_create "$ifaceTableID" "$ifaceMark" "$iface" "$gw4" "$dev" "$gw6" "$dev6" "$match"; then
gatewaySummary="${gatewaySummary}${displayText}\\n"
output_ok
else
errorSummary="${errorSummary}${_ERROR_}: Failed to set up '$displayText'\\n"
output_fail
fi
elif [ "$iface" = "$match" ]; then
output 2 "Reloading table '$displayText' "
is_default_dev "$dev" && displayText="${displayText} ${__OK__}"
if table_reload "$ifaceTableID" "$ifaceMark" "$iface" "$gw4" "$dev" "$gw6" "$dev6" "$match"; then
gatewaySummary="${gatewaySummary}${displayText}\\n"
output_ok
else
errorSummary="${errorSummary}${_ERROR_}: Failed to reload '$displayText'\\n"
output_fail
fi
else
is_default_dev "$dev" && displayText="${displayText} ${__OK__}"
gatewaySummary="${gatewaySummary}${displayText}\\n"
fi
ifaceTableID="$((ifaceTableID + 1))"; ifaceMark="$(printf '0x%06x' $((ifaceMark + wanMark)))";
;;
esac
return $s
}
process_tor_interface(){
local s=0 iface="$1" action="$2" displayText
case "$action" in
destroy)
for i in PREROUTING FORWARD INPUT OUTPUT; do
ipt -t nat -D "${i}" -m mark --mark "0x0/${fwMask}" -j "VPR_${i}"
ipt -t nat -F "VPR_${i}"; ipt -t nat -X "VPR_${i}";
done
;;
create)
output 2 "Creating TOR redirects "
dnsPort="$(grep -m1 DNSPort /etc/tor/torrc | awk -F: '{print $2}')"
transPort="$(grep -m1 TransPort /etc/tor/torrc | awk -F: '{print $2}')"
dnsPort="${dnsPort:-9053}"; transPort="${transPort:-9040}";
for i in $usedChainsList; do
ipt -t nat -N "VPR_${i}"
ipt -t nat "$insertOption" "$i" -m mark --mark "0x0/${fwMask}" -j "VPR_${i}"
done
if ips 'create' "${iface}" 'hash:net comment' && ips 'flush' "${iface}"; then
for i in $usedChainsList; do
ipt -t nat -I "VPR_${i}" -p udp -m udp --dport 53 -m set --match-set "${iface}" dst -j REDIRECT --to-ports "$dnsPort" -m comment --comment "TorDNS-UDP" || s=1
ipt -t nat -I "VPR_${i}" -p tcp -m tcp --dport 80 -m set --match-set "${iface}" dst -j REDIRECT --to-ports "$transPort" -m comment --comment "TorHTTP-TCP" || s=1
ipt -t nat -I "VPR_${i}" -p udp -m udp --dport 80 -m set --match-set "${iface}" dst -j REDIRECT --to-ports "$transPort" -m comment --comment "TorHTTP-UDP" || s=1
ipt -t nat -I "VPR_${i}" -p tcp -m tcp --dport 443 -m set --match-set "${iface}" dst -j REDIRECT --to-ports "$transPort" -m comment --comment "TorHTTPS-TCP" || s=1
ipt -t nat -I "VPR_${i}" -p udp -m udp --dport 443 -m set --match-set "${iface}" dst -j REDIRECT --to-ports "$transPort" -m comment --comment "TorHTTPS-UDP" || s=1
done
else
s=1
fi
displayText="${iface}/53->${dnsPort}/80,443->${transPort}"
if [ "$s" -eq "0" ]; then
gatewaySummary="${gatewaySummary}${displayText}\\n"
output_ok
else
errorSummary="${errorSummary}${_ERROR_}: Failed to set up '$displayText'\\n"
output_fail
fi
;;
esac
return $s
}
convert_config(){
local i src_ipset dest_ipset resolver_ipset
[ -s "/etc/config/${packageName}" ] || return 0
grep -q "ignored_interfaces" "/etc/config/${packageName}" && sed -i 's/ignored_interfaces/ignored_interface/g' "/etc/config/${packageName}"
grep -q "supported_interfaces" "/etc/config/${packageName}" && sed -i 's/supported_interfaces/supported_interface/g' "/etc/config/${packageName}"
grep -q "local_addresses" "/etc/config/${packageName}" && sed -i 's/local_addresses/local_address/g' "/etc/config/${packageName}"
grep -q "local_ports" "/etc/config/${packageName}" && sed -i 's/local_ports/local_port/g' "/etc/config/${packageName}"
grep -q "remote_addresses" "/etc/config/${packageName}" && sed -i 's/remote_addresses/remote_address/g' "/etc/config/${packageName}"
grep -q "remote_ports" "/etc/config/${packageName}" && sed -i 's/remote_ports/remote_port/g' "/etc/config/${packageName}"
grep -q "ipset_enabled" "/etc/config/${packageName}" && sed -i 's/ipset_enabled/dest_ipset/g' "/etc/config/${packageName}"
grep -q "dnsmasq_enabled" "/etc/config/${packageName}" && sed -i 's/dnsmasq_enabled/resolver_ipset/g' "/etc/config/${packageName}"
grep -q "enable_control" "/etc/config/${packageName}" && sed -i 's/enable_control/webui_enable_column/g' "/etc/config/${packageName}"
grep -q "proto_control" "/etc/config/${packageName}" && sed -i 's/proto_control/webui_protocol_column/g' "/etc/config/${packageName}"
grep -q "chain_control" "/etc/config/${packageName}" && sed -i 's/chain_control/webui_chain_column/g' "/etc/config/${packageName}"
grep -q "sort_control" "/etc/config/${packageName}" && sed -i 's/sort_control/webui_sorting/g' "/etc/config/${packageName}"
grep -q "local_address" "/etc/config/${packageName}" && sed -i 's/local_address/src_addr/g' "/etc/config/${packageName}"
grep -q "local_port" "/etc/config/${packageName}" && sed -i 's/local_port/src_port/g' "/etc/config/${packageName}"
grep -q "remote_address" "/etc/config/${packageName}" && sed -i 's/remote_address/dest_addr/g' "/etc/config/${packageName}"
grep -q "remote_port" "/etc/config/${packageName}" && sed -i 's/remote_port/dest_port/g' "/etc/config/${packageName}"
grep -q "local_ipset" "/etc/config/${packageName}" && sed -i 's/local_ipset/src_ipset/g' "/etc/config/${packageName}"
grep -q "remote_ipset" "/etc/config/${packageName}" && sed -i 's/remote_ipset/dest_ipset/g' "/etc/config/${packageName}"
dest_ipset="$(uci -q get $packageName.config.dest_ipset)"
src_ipset="$(uci -q get $packageName.config.src_ipset)"
resolver_ipset="$(uci -q get $packageName.config.resolver_ipset)"
if [ -n "$dest_ipset" ] && [ "$dest_ipset" != "0" ] && [ "$dest_ipset" != "1" ]; then
uci set "$packageName".config.dest_ipset='0'
if [ -z "$resolver_ipset" ]; then
uci set "$packageName".config.resolver_ipset='dnsmasq.ipset'
fi
uci commit "$packageName"
fi
if [ -n "$src_ipset" ] && [ "$src_ipset" != "0" ] && [ "$src_ipset" != "1" ]; then
uci set "$packageName".config.src_ipset='1'
uci commit "$packageName"
fi
if [ -z "$(uci -q get $packageName.config.webui_supported_protocol)" ]; then
uci add_list "$packageName".config.webui_supported_protocol='tcp'
uci add_list "$packageName".config.webui_supported_protocol='udp'
uci add_list "$packageName".config.webui_supported_protocol='tcp udp'
uci add_list "$packageName".config.webui_supported_protocol='icmp'
uci add_list "$packageName".config.webui_supported_protocol='all'
uci commit "$packageName"
fi
for i in append_local_rules append_src_rules \
append_remote_rules append_dest_rules; do
if [ -n "$(uci -q get $packageName.config.$i)" ]; then
warningSummary="${warningSummary}$_WARNING_: $i setting is not supported in ${serviceName}.\\n"
fi
done
for i in udp_proto_enabled forward_chain_enabled input_chain_enabled \
output_chain_enabled iprule_enabled; do
if [ "$(uci -q get $packageName.config.$i)" = "1" ]; then
warningSummary="${warningSummary}$_WARNING_: $i setting is not supported in ${serviceName}.\\n"
fi
done
}
check_config(){ local en; config_get_bool en "$1" 'enabled' 1; [ "$en" -gt 0 ] && _cfg_enabled=0; }
is_config_enabled(){
local cfg="$1" _cfg_enabled=1
[ -n "$1" ] || return 1
config_load "$packageName"
config_foreach check_config "$cfg"
return "$_cfg_enabled"
}
process_user_file(){
local path enabled shellBin="${SHELL:-/bin/ash}"
config_get_bool enabled "$1" 'enabled' 1
config_get path "$1" 'path'
[ "$enabled" -gt 0 ] || return 0
if [ ! -s "$path" ]; then
errorSummary="${errorSummary}${_ERROR_}: Custom user file '$path' not found or empty!\\n"
output_fail
return 1
fi
if ! $shellBin -n "$path"; then
errorSummary="${errorSummary}${_ERROR_}: Syntax error in custom user file '$path'!\\n"
output_fail
return 1
fi
output 2 "Running $path "
# shellcheck disable=SC1090
if ! . "$path"; then
errorSummary="${errorSummary}${_ERROR_}: Error running custom user file '$path'!\\n"
if grep -q -w 'curl' "$path" && ! is_present 'curl'; then
errorSummary="${errorSummary}${_ERROR_}: Use of 'curl' is detected in custom user file '$path', but 'curl' isn't installed!\\n"
errorSummary="${errorSummary}${_ERROR_}: If 'curl' is needed, install it with 'opkg update; opkg install curl;' command in CLI.\\n"
fi
output_fail
return 1
else
output_ok
return 0
fi
}
boot() { rc_procd start_service && rc_procd service_triggers; }
start_service() {
local dnsmasqStoredHash dnsmasqNewHash i modprobeStatus=0 reloadedIface="$1"
convert_config
is_enabled 'on_start' || return 1
is_wan_up || return 1
iptables -t 'mangle' --list 'VPR_PREROUTING' >/dev/null 2>&1 || unset reloadedIface
[ -n "$(tmpfs get gateway)" ] || unset reloadedIface
if [ -s "$dnsmasqFile" ]; then
dnsmasqStoredHash="$(md5sum $dnsmasqFile | awk '{ print $1; }')"
rm -f "$dnsmasqFile"
fi
for i in xt_set ip_set ip_set_hash_ip; do
modprobe "$i" >/dev/null 2>/dev/null || modprobeStatus=$((modprobeStatus + 1))
done
if [ "$modprobeStatus" -gt 0 ] && ! is_chaos_calmer; then
errorSummary="${errorSummary}${_ERROR_}: Failed to load kernel modules\\n"
fi
if [ -z "$reloadedIface" ]; then
for i in $usedChainsList; do
ipt -t mangle -N "VPR_${i}"
ipt -t mangle "$insertOption" "$i" -m mark --mark "0x0/${fwMask}" -j "VPR_${i}"
done
fi
if [ -z "$reloadedIface" ]; then
output 1 'Processing Interfaces '
config_load 'network'; config_foreach process_interface 'interface' 'create';
process_tor_interface 'tor' 'destroy'; is_tor_running && process_tor_interface 'tor' 'create';
output 1 '\n'
if is_config_enabled 'policy'; then
output 1 'Processing Policies '
config_load "$packageName"; config_foreach process_policy 'policy' "$reloadedIface";
output 1 '\n'
fi
if is_config_enabled 'include'; then
output 1 'Processing User File(s) '
config_load "$packageName"; config_foreach process_user_file 'include';
output 1 '\n'
fi
else
output 1 "Reloading Interface: $reloadedIface "
config_load 'network'; config_foreach process_interface 'interface' 'create' "$reloadedIface";
output 1 '\n'
fi
if [ -s "$dnsmasqFile" ]; then
dnsmasqNewHash="$(md5sum $dnsmasqFile | awk '{ print $1; }')"
fi
[ "$dnsmasqNewHash" != "$dnsmasqStoredHash" ] && dnsmasq_restart
if [ -z "$gatewaySummary" ]; then
errorSummary="${errorSummary}${_ERROR_}: failed to set up any gateway!\\n"
fi
procd_open_instance "main"
procd_set_param command /bin/true
procd_set_param stdout 1
procd_set_param stderr 1
procd_open_data
json_add_array 'status'
json_add_object ''
[ -n "$gatewaySummary" ] && json_add_string gateway "$gatewaySummary"
[ -n "$errorSummary" ] && json_add_string error "$errorSummary"
[ -n "$warningSummary" ] && json_add_string warning "$warningSummary"
if [ "$strictMode" -ne 0 ] && str_contains "$gatewaySummary" '0.0.0.0'; then
json_add_string mode "strict"
fi
json_close_object
json_close_array
procd_close_data
procd_close_instance
}
tmpfs() {
local action="$1" param="$2" value="$3"
# shellcheck disable=SC2034
local gateway error warning mode i
if [ -s "$jsonFile" ]; then
json_load_file "$jsonFile" 2>/dev/null
json_select 'status' 2>/dev/null
for i in gateway error warning mode; do
json_get_var $i "$i" 2>/dev/null
done
fi
case "$action" in
get)
printf "%b" "$(eval echo "\$$param")"; return;;
add)
eval "$param"='$(eval echo "\$$param")${value}';;
del)
case "$param" in
all)
unset gateway error warning mode;;
*)
unset "$param";;
esac
;;
set)
eval "$param"='$value';;
esac
json_init
json_add_object 'status'
json_add_string version "$PKG_VERSION"
for i in gateway error warning mode; do
json_add_string "$i" "$(eval echo "\$$i")"
done
json_close_object
json_dump > "$jsonFile"
sync
}
service_started() {
tmpfs set 'gateway' "$gatewaySummary"
tmpfs set 'error' "$errorSummary"
tmpfs set 'warning' "$warningSummary"
if [ "$strictMode" -ne 0 ] && str_contains "$gatewaySummary" '0.0.0.0'; then
tmpfs set 'mode' 'strict'
fi
[ -n "$gatewaySummary" ] && output "$serviceName started with gateways:\\n${gatewaySummary}"
[ -n "$errorSummary" ] && output "${errorSummary}"
[ -n "$warningSummary" ] && output "${warningSummary}"
if [ -n "$errorSummary" ]; then
return 2
elif [ -n "$warningSummary" ]; then
return 1
else
return 0
fi
}
stop_service() {
local i
iptables -t mangle -L | grep -q VPR_PREROUTING || return 0
load_package_config
for i in PREROUTING FORWARD INPUT OUTPUT; do
ipt -t mangle -D "${i}" -m mark --mark "0x0/${fwMask}" -j "VPR_${i}"
ipt -t mangle -F "VPR_${i}"; ipt -t mangle -X "VPR_${i}";
done
config_load 'network'; config_foreach process_interface 'interface' 'destroy';
process_tor_interface 'tor' 'destroy'
unset ifaceTableID; unset ifaceMark;
if [ -s "$dnsmasqFile" ]; then
rm -f "$dnsmasqFile"
dnsmasq_restart
fi
if [ "$serviceEnabled" -ne 0 ]; then
output "$serviceName stopped "; output_okn;
fi
}
reload_interface() { rc_procd start_service "$1"; }
service_triggers() {
local n
is_enabled || return 1
if [ "$procdReloadDelay" -gt 0 ] && [ "$procdReloadDelay" -lt 100 ]; then
# shellcheck disable=SC2034
PROCD_RELOAD_DELAY=$(( procdReloadDelay * 1000 ))
fi
procd_open_validate
validate_config
validate_policy
validate_include
procd_close_validate
procd_open_trigger
procd_add_reload_trigger 'openvpn'
if type procd_add_service_trigger 1>/dev/null 2>&1; then
procd_add_service_trigger "service.restart" "firewall" /etc/init.d/${packageName} reload
fi
procd_add_config_trigger "config.change" "${packageName}" /etc/init.d/${packageName} reload
for n in $ifSupported; do
procd_add_interface_trigger "interface.*" "$n" /etc/init.d/${packageName} reload_interface "$n"
done
procd_close_trigger
output 3 "$serviceName monitoring interfaces: $ifSupported"; output_okn;
}
status_service() { support "$@"; }
support() {
local dist vers out id s param status set_d set_p tableCount i=0 dev dev6 j
readonly _SEPARATOR_='============================================================'
is_enabled
json_load "$(ubus call system board)"; json_select release; json_get_var dist distribution; json_get_var vers version
if [ -n "$wanIface4" ]; then
network_get_gateway wanGW4 "$wanIface4"
[ -z "$dev" ] && dev="$(uci -q get network."${wanIface4}".ifname)"
[ -z "$dev" ] && dev="$(uci -q get network."${wanIface4}".device)"
fi
if [ -n "$wanIface6" ]; then
[ -z "$dev6" ] && dev6="$(uci -q get network."${wanIface6}".ifname)"
[ -z "$dev6" ] && dev6="$(uci -q get network."${wanIface6}".device)"
wanGW6=$(ip -6 route show | grep -m1 " dev $dev6 " | awk '{print $1}')
[ "$wanGW6" = "default" ] && wanGW6=$(ip -6 route show | grep -m1 " dev $dev6 " | awk '{print $3}')
fi
while [ "${1:0:1}" = "-" ]; do param="${1//-/}"; eval "set_$param=1"; shift; done
[ -e "/var/${packageName}-support" ] && rm -f "/var/${packageName}-support"
status="$serviceName running on $dist $vers."
[ -n "$wanIface4" ] && status="$status WAN (IPv4): ${wanIface4}/${dev}/${wanGW4:-0.0.0.0}."
[ -n "$wanIface6" ] && status="$status WAN (IPv6): ${wanIface6}/${dev6}/${wanGW6:-::/0}."
{
echo "$status"
echo "$_SEPARATOR_"
dnsmasq --version 2>/dev/null | sed '/^$/,$d'
if [ -n "$1" ]; then
echo "$_SEPARATOR_"
echo "Resolving domains"
for i in $1; do
echo "$i: $(resolveip "$i" | tr '\n' ' ')"
done
fi
echo "$_SEPARATOR_"
echo "Routes/IP Rules"
tableCount=$(ip rule list | grep -c 'fwmark') || tableCount=0
if [ -n "$set_d" ]; then route; else route | grep '^default'; fi
if [ -n "$set_d" ]; then ip rule list; fi
i=0; while [ $i -lt $tableCount ]; do
echo ""
echo "IPv4 Table $((wanTableID + i)): $(ip -4 route show table $((wanTableID + i)))"
echo "IPv4 Table $((wanTableID + i)) Rules:"
ip -4 rule list table "$((wanTableID + i))"
i=$((i + 1))
done
if [ "$ipv6Enabled" -ne 0 ]; then
i=0; while [ $i -lt $tableCount ]; do
ip -6 route show table $((wanTableID + i)) | while read -r param; do
echo "IPv6 Table $((wanTableID + i)): $param"
done
i=$((i + 1))
done
fi
for j in Mangle NAT; do
if [ -z "$set_d" ]; then
for i in $usedChainsList; do
if iptables -v -t "$(str_to_lower $j)" -S "VPR_${i}" 1>/dev/null 2>&1; then
echo "$_SEPARATOR_"
echo "$j IP Table: $i"
iptables -v -t "$(str_to_lower $j)" -S "VPR_${i}"
if [ "$ipv6Enabled" -ne 0 ]; then
echo "$_SEPARATOR_"
echo "$j IPv6 Table: $i"
ip6tables -v -t "$(str_to_lower $j)" -S "VPR_${i}"
fi
fi
done
else
echo "$_SEPARATOR_"
echo "$j IP Table"
iptables -L -t "$(str_to_lower $j)"
if [ "$ipv6Enabled" -ne 0 ]; then
echo "$_SEPARATOR_"
echo "$j IPv6 Table"
ip6tables -L -t "$(str_to_lower $j)"
fi
fi
i=0; ifaceMark="$wanMark";
while [ $i -lt $tableCount ]; do
if iptables -v -t "$(str_to_lower $j)" -S "VPR_MARK${ifaceMark}" 1>/dev/null 2>&1; then
echo "$_SEPARATOR_"
echo "$j IP Table MARK Chain: VPR_MARK${ifaceMark}"
iptables -v -t "$(str_to_lower $j)" -S "VPR_MARK${ifaceMark}"
ifaceMark="$(printf '0x%06x' $((ifaceMark + wanMark)))";
fi
i=$((i + 1))
done
done
echo "$_SEPARATOR_"
echo "Current ipsets"
ipset save
if [ -s "$dnsmasqFile" ]; then
echo "$_SEPARATOR_"
echo "DNSMASQ ipsets"
cat "$dnsmasqFile"
fi
echo "$_SEPARATOR_"
} | tee -a /var/${packageName}-support
if [ -n "$set_p" ]; then
printf "%b" "Pasting to paste.ee... "
if is_present 'curl' && is_variant_installed 'libopenssl' && is_installed 'ca-bundle'; then
json_init; json_add_string "description" "${packageName}-support"
json_add_array "sections"; json_add_object '0'
json_add_string "name" "$(uci -q get system.@system[0].hostname)"
json_add_string "contents" "$(cat /var/${packageName}-support)"
json_close_object; json_close_array; payload=$(json_dump)
out=$(curl -s -k "https://api.paste.ee/v1/pastes" -X "POST" -H "Content-Type: application/json" -H "X-Auth-Token:uVOJt6pNqjcEWu7qiuUuuxWQafpHhwMvNEBviRV2B" -d "$payload")
json_load "$out"; json_get_var id id; json_get_var s success
[ "$s" = "1" ] && printf "%b" "https://paste.ee/p/$id $__OK__\\n" || printf "%b" "$__FAIL__\\n"
[ -e "/var/${packageName}-support" ] && rm -f "/var/${packageName}-support"
else
printf "%b" "$__FAIL__\\n"
printf "%b" "$_ERROR_: curl, libopenssl or ca-bundle were not found!\\nRun 'opkg update; opkg install curl libopenssl ca-bundle' to install them.\\n"
fi
else
printf "%b" "Your support details have been logged to '/var/${packageName}-support'. $__OK__\\n"
fi
}
# shellcheck disable=SC2120
validate_config() {
uci_validate_section "${packageName}" config "${1}" \
'enabled:bool:0' \
'strict_enforcement:bool:1' \
'ipv6_enabled:bool:0' \
'src_ipset:bool:0' \
'dest_ipset:bool:0' \
'resolver_ipset::or("", "none", "dnsmasq.ipset")' \
'verbosity:range(0,2):1' \
'wan_tid:integer:201' \
'wan_fw_mark:hex(8)' \
'fw_mask:hex(8)' \
'icmp_interface:string' \
'ignored_interface:list(string)' \
'supported_interface:list(string)' \
'boot_timeout:integer:30' \
'iptables_rule_option:or("", "append", "insert")' \
'procd_reload_delay:integer:0' \
'webui_enable_column:bool:0' \
'webui_protocol_column:bool:0' \
'webui_supported_protocol:list(string)' \
'webui_chain_column:bool:0' \
'webui_sorting:bool:1' \
'webui_show_ignore_target:bool:0'
}
# shellcheck disable=SC2120
validate_policy() {
uci_validate_section "${packageName}" policy "${1}" \
'name:string' \
'enabled:bool:0' \
'interface:network' \
'proto:or(string)' \
'chain:or("", "PREROUTING", "FORWARD", "INPUT", "OUTPUT")' \
'src_addr:list(neg(or(host,network,macaddr)))' \
'src_port:list(neg(or(portrange, string)))' \
'dest_addr:list(neg(host))' \
'dest_port:list(neg(or(portrange, string)))'
}
# shellcheck disable=SC2120
validate_include() {
uci_validate_section "${packageName}" include "${1}" \
'path:string' \
'enabled:bool:0'
}