feat: clash sidecar

This commit is contained in:
SunBK201 2025-11-03 04:45:59 +08:00
parent 6c363fac1e
commit a82c568408
3 changed files with 143 additions and 113 deletions

View File

@ -7,5 +7,5 @@ License: GPL-3.0-only
Section: net
SourceDateEpoch: 1711267200
Architecture: all
Installed-Size: 4372480
Installed-Size: 4495360
Description: Advanced HTTP User-Agent Rewriting Tool.

View File

@ -7,5 +7,5 @@ License: GPL-3.0-only
Section: net
SourceDateEpoch: 1711267200
Architecture: all
Installed-Size: 4372480
Installed-Size: 4495360
Description: Advanced HTTP User-Agent Rewriting Tool.

View File

@ -1,4 +1,5 @@
#!/bin/sh /etc/rc.common
# shellcheck disable=SC2034,SC1083,SC3043,SC2086
USE_PROCD=1
@ -14,23 +15,23 @@ FW_BACKEND=""
NFT_TABLE="UA3F"
UA3F_CHAIN="UA3F"
UA3F_OUT_CHAIN="UA3F_OUTPUT"
UA3F_LOCAL="ua3f_localnetwork"
UA3FMARK="0xc9"
FWMARK="0x1c9"
UA3F_LANSET="ua3f_localnetwork"
UA3F_SOMARK="0xc9"
UA3F_FWMARK="0x1c9"
ROUTE_TABLE="0x1c9"
UA3F_GID="65534"
UA3F_GROUP="nogroup"
SKIP_GIDS=""
SIDECAR="OC"
FAKEIP_RANGE="198.18.0.0/16, 198.18.0.1/15, 28.0.0.1/8"
RUNDIR="/var/run/${NAME}"
[ -d "$RUNDIR" ] || mkdir -p "$RUNDIR"
ROUTE_CREATED_FLAG="$RUNDIR/route_created"
IPSET_CREATED_FLAG="$RUNDIR/ipset_created"
LOG_FILE="/var/log/ua3f/ua3f.log"
LOG() {
if [ -n "${1}" ]; then
echo -e "[$(date "+%Y-%m-%d %H:%M:%S")] ${1}" >>$LOG_FILE
printf '[%s] %s\n' "$(date "+%Y-%m-%d %H:%M:%S")" "$1" >>"$LOG_FILE"
fi
}
@ -78,41 +79,44 @@ set_ua3f_group() {
if openclash_running; then
UA3F_GID="65534"
UA3F_GROUP="nogroup"
SIDECAR="OCSC"
add_skip_gids "7890"
elif shellclash_running; then
UA3F_GID="7890"
UA3F_GROUP="shellcrash"
FWMARK="0x1ed6"
add_skip_gids "65534"
SIDECAR="SC"
elif openclash_exists; then
UA3F_GID="65534"
UA3F_GROUP="nogroup"
add_skip_gids "7890"
SIDECAR="OC"
elif shellclash_exists; then
UA3F_GID="7890"
UA3F_GROUP="shellcrash"
FWMARK="0x1ed6"
add_skip_gids "65534"
SIDECAR="SC"
else
UA3F_GID="65534"
UA3F_GROUP="nogroup"
add_skip_gids "7890"
SIDECAR="OC"
fi
LOG "Run as GID: $UA3F_GID, Group: $UA3F_GROUP"
LOG "Skip GIDs: $SKIP_GIDS"
LOG "FWMARK: $FWMARK"
}
add_skip_gids() {
for gid in "$@"; do
[[ -z "$gid" ]] && continue
if [[ ! ",$SKIP_GIDS," =~ ,$gid, ]]; then
if [[ -z "$SKIP_GIDS" ]]; then
SKIP_GIDS="$gid"
[ -z "$gid" ] && continue
case ",$SKIP_GIDS," in
*,"$gid",*) ;;
*)
if [ -z "$SKIP_GIDS" ]; then
SKIP_GIDS=$gid
else
SKIP_GIDS="$SKIP_GIDS,$gid"
SKIP_GIDS=$SKIP_GIDS,$gid
fi
fi
;;
esac
done
}
@ -138,17 +142,25 @@ detect_backend() {
return 1
}
ensure_tproxy_route() {
ip rule add fwmark "$FWMARK" table "$ROUTE_TABLE" 2>/dev/null
ip route add local 0.0.0.0/0 dev lo table "$ROUTE_TABLE" 2>/dev/null
echo 1 >"$ROUTE_CREATED_FLAG"
add_tproxy_route() {
sysctl -w net.bridge.bridge-nf-call-iptables=0 >/dev/null 2>&1
sysctl -w net.bridge.bridge-nf-call-ip6tables=0 >/dev/null 2>&1
if ! output=$(ip rule add fwmark "$UA3F_FWMARK" table "$ROUTE_TABLE" 2>&1); then
LOG "Failed to add ip rule fwmark: $output"
return 1
fi
if ! output=$(ip route add local 0.0.0.0/0 dev lo table "$ROUTE_TABLE" 2>&1); then
LOG "Failed to add ip route local lo: $output"
return 1
fi
}
cleanup_tproxy_route() {
ip route del local 0.0.0.0/0 dev lo table "$ROUTE_TABLE" 2>/dev/null
ip rule del fwmark "$FWMARK" table "$ROUTE_TABLE" 2>/dev/null
rm -f "$ROUTE_CREATED_FLAG"
ip route flush table "$ROUTE_TABLE" >/dev/null 2>&1
ip rule del fwmark "$UA3F_FWMARK" table "$ROUTE_TABLE" >/dev/null 2>&1
ip rule del fwmark 0x1c9 table "$ROUTE_TABLE" >/dev/null 2>&1
}
nft_drop_table() { nft delete table ip "$NFT_TABLE" 2>/dev/null; }
@ -158,34 +170,46 @@ nft_reinit_table() {
nft add table ip "$NFT_TABLE" || return 1
# set: localnetwork
nft "add set ip $NFT_TABLE $UA3F_LOCAL { type ipv4_addr; flags interval; auto-merge; }" || return 1
nft "add element ip $NFT_TABLE $UA3F_LOCAL { 0.0.0.0/8, 127.0.0.0/8, 10.0.0.0/8, 169.254.0.0/16, 172.16.0.0/12, 192.168.0.0/16, 224.0.0.0/4, 240.0.0.0/4, 100.64.0.0/10 }" >/dev/null 2>&1
nft "add set ip $NFT_TABLE $UA3F_LANSET { type ipv4_addr; flags interval; auto-merge; }" || return 1
nft "add element ip $NFT_TABLE $UA3F_LANSET { 0.0.0.0/8, 10.0.0.0/8, 100.64.0.0/10, 127.0.0.0/8, 169.254.0.0/16, 172.16.0.0/12, 192.168.0.0/16, 224.0.0.0/4, 240.0.0.0/4 }" >/dev/null 2>&1
}
fw_setup_nft_tproxy_tcp() {
nft_reinit_table || return 1
ensure_tproxy_route
nft_reinit_table || {
LOG "Failed to reinitialize nft table"
return 1
}
add_tproxy_route || {
LOG "Failed to add tproxy route"
return 1
}
if [ "$SIDECAR" = "SC" ]; then
nft add chain ip $NFT_TABLE sidecar '{ type filter hook prerouting priority mangle - 20; }'
nft add rule ip $NFT_TABLE sidecar meta l4proto tcp mark $UA3F_FWMARK mark set 7894 tproxy to 127.0.0.1:$SERVER_PORT counter accept comment '"cap sc"'
fi
# PREROUTING -> UA3F
nft add chain ip $NFT_TABLE prerouting '{ type filter hook prerouting priority filter + 20; }'
nft add rule ip $NFT_TABLE prerouting mark {$UA3FMARK, 0x162, 0x1ed4} counter return
nft add rule ip $NFT_TABLE prerouting ip daddr {198.18.0.0/16, 198.18.0.1/15, 28.0.0.1/8} counter return
nft add rule ip $NFT_TABLE prerouting meta l4proto {tcp, udp} th dport {53, 1053} counter return
nft add rule ip $NFT_TABLE prerouting ip daddr @$UA3F_LOCAL counter return
nft add rule ip $NFT_TABLE prerouting meta l4proto != tcp counter return
nft add rule ip $NFT_TABLE prerouting ct direction reply counter return
nft add rule ip $NFT_TABLE prerouting meta l4proto tcp mark $FWMARK tproxy to 127.0.0.1:$SERVER_PORT counter accept
nft add rule ip $NFT_TABLE prerouting meta l4proto tcp mark set $FWMARK tproxy to 127.0.0.1:$SERVER_PORT counter accept
nft add rule ip $NFT_TABLE prerouting mark {$UA3F_SOMARK} counter return comment '"UA3F somark, never hit"'
nft add rule ip $NFT_TABLE prerouting mark {0x162} counter return comment '"354"'
nft add rule ip $NFT_TABLE prerouting mark {0x1ed4} counter return comment '"sc tproxy mark 7892"'
nft add rule ip $NFT_TABLE prerouting ip daddr {$FAKEIP_RANGE} counter return comment '"fakeip range"'
nft add rule ip $NFT_TABLE prerouting ip daddr @$UA3F_LANSET counter return
nft add rule ip $NFT_TABLE prerouting meta l4proto tcp mark $UA3F_FWMARK tproxy to 127.0.0.1:$SERVER_PORT counter accept comment '"cap oc"'
nft add rule ip $NFT_TABLE prerouting meta l4proto tcp mark set $UA3F_FWMARK tproxy to 127.0.0.1:$SERVER_PORT counter accept comment '"default less hit. sc"'
# OUTPUT -> UA3F_OUTPUT
nft add chain ip $NFT_TABLE output '{ type route hook output priority filter + 20; }'
nft add rule ip $NFT_TABLE output mark $UA3FMARK counter return
nft add rule ip $NFT_TABLE output ip daddr {198.18.0.0/16, 198.18.0.1/15, 28.0.0.1/8} counter return
nft add rule ip $NFT_TABLE output meta l4proto {tcp, udp} th dport {53, 1053} counter return
nft add rule ip $NFT_TABLE output meta l4proto != tcp counter return
nft add rule ip $NFT_TABLE output mark $UA3F_SOMARK counter return comment '"UA3F somark"'
nft add rule ip $NFT_TABLE output ip daddr {$FAKEIP_RANGE} counter return
nft add rule ip $NFT_TABLE output meta skgid {$SKIP_GIDS} counter return
nft add rule ip $NFT_TABLE output ip daddr @$UA3F_LOCAL counter return
nft add rule ip $NFT_TABLE output meta l4proto tcp mark {0x1ed6} mark set $FWMARK counter accept
nft add rule ip $NFT_TABLE output meta l4proto tcp meta skgid $UA3F_GID mark set $FWMARK counter accept
nft add rule ip $NFT_TABLE output meta l4proto tcp mark set $FWMARK counter accept
nft add rule ip $NFT_TABLE output ip daddr @$UA3F_LANSET counter return
nft add rule ip $NFT_TABLE output meta l4proto tcp meta skgid $UA3F_GID mark set $UA3F_FWMARK counter accept comment '"ghost oc"'
nft add rule ip $NFT_TABLE output meta l4proto tcp mark set $UA3F_FWMARK counter accept comment '"default tproxy mark. bypass sc pre pollution"'
}
fw_setup_nft_redirect_tcp() {
@ -193,49 +217,58 @@ fw_setup_nft_redirect_tcp() {
# PREROUTING -> UA3F
nft add chain ip $NFT_TABLE prerouting '{ type nat hook prerouting priority filter + 20; }'
nft add rule ip $NFT_TABLE prerouting mark {$UA3FMARK, 0x162, 0x1ed4} counter return
nft add rule ip $NFT_TABLE prerouting ip daddr {198.18.0.0/16, 198.18.0.1/15, 28.0.0.1/8} counter return
nft add rule ip $NFT_TABLE prerouting meta l4proto {tcp, udp} th dport {53, 1053} counter return
nft add rule ip $NFT_TABLE prerouting ip daddr @$UA3F_LOCAL counter return
nft add rule ip $NFT_TABLE prerouting meta l4proto != tcp counter return
nft add rule ip $NFT_TABLE prerouting ct direction reply counter return
nft add rule ip $NFT_TABLE prerouting mark {$UA3F_SOMARK} counter return comment '"UA3F somark, never hit"'
nft add rule ip $NFT_TABLE prerouting mark {0x162} counter return comment '"354"'
nft add rule ip $NFT_TABLE prerouting mark {0x1ed4} counter return comment '"sc tproxy mark 7892"'
nft add rule ip $NFT_TABLE prerouting ip daddr {$FAKEIP_RANGE} counter return comment '"fakeip range"'
nft add rule ip $NFT_TABLE prerouting ip daddr @$UA3F_LANSET counter return
nft add rule ip $NFT_TABLE prerouting tcp dport != {22} counter redirect to :$SERVER_PORT
# OUTPUT -> UA3F_OUTPUT
nft add chain ip $NFT_TABLE output '{ type nat hook output priority filter + 20; }'
nft add rule ip $NFT_TABLE output mark $UA3FMARK counter return
nft add rule ip $NFT_TABLE output ip daddr {198.18.0.0/16, 198.18.0.1/15, 28.0.0.1/8} counter return
nft add rule ip $NFT_TABLE output meta l4proto {tcp, udp} th dport {53, 1053} counter return
nft add rule ip $NFT_TABLE output meta l4proto != tcp counter return
nft add rule ip $NFT_TABLE output mark $UA3F_SOMARK counter return comment '"UA3F somark"'
nft add rule ip $NFT_TABLE output ip daddr {$FAKEIP_RANGE} counter return
nft add rule ip $NFT_TABLE output ip daddr @$UA3F_LANSET counter return
nft add rule ip $NFT_TABLE output meta skgid {$SKIP_GIDS} counter return
nft add rule ip $NFT_TABLE output ip daddr @$UA3F_LOCAL counter return
nft add rule ip $NFT_TABLE output meta l4proto tcp mark {0x1ed6} counter redirect to :$SERVER_PORT
nft add rule ip $NFT_TABLE output meta skgid $UA3F_GID tcp dport != {22} counter redirect to :$SERVER_PORT
nft add rule ip $NFT_TABLE output tcp dport != {22} counter redirect to :$SERVER_PORT
nft add rule ip $NFT_TABLE output meta l4proto tcp mark {0x1ed6} counter redirect to :$SERVER_PORT comment '"cap sc meta"'
nft add rule ip $NFT_TABLE output meta skgid $UA3F_GID tcp dport != {22} counter redirect to :$SERVER_PORT comment '"cap oc"'
nft add rule ip $NFT_TABLE output tcp dport != {22} counter redirect to :$SERVER_PORT comment '"cap scc"'
}
fw_revert_nft() {
nft_drop_table
[ -f "$ROUTE_CREATED_FLAG" ] && cleanup_tproxy_route
cleanup_tproxy_route
}
ensure_local_set_ipt() {
if ! ipset list "$UA3F_LOCAL" >/dev/null 2>&1; then
ipset create "$UA3F_LOCAL" hash:net maxelem 1048576 || return 1
echo 1 >"$IPSET_CREATED_FLAG"
ipset add "$UA3F_LOCAL" 0.0.0.0/8
ipset add "$UA3F_LOCAL" 127.0.0.0/8
ipset add "$UA3F_LOCAL" 10.0.0.0/8
ipset add "$UA3F_LOCAL" 169.254.0.0/16
ipset add "$UA3F_LOCAL" 172.16.0.0/12
ipset add "$UA3F_LOCAL" 192.168.0.0/16
ipset add "$UA3F_LOCAL" 224.0.0.0/4
ipset add "$UA3F_LOCAL" 240.0.0.0/4
ipset add "$UA3F_LOCAL" 100.64.0.0/10
fi
setup_ipset_ipt() {
cleanup_ipset_ipt
ipset create $UA3F_LANSET hash:net || return 1
ipset add $UA3F_LANSET 0.0.0.0/8
ipset add $UA3F_LANSET 10.0.0.0/8
ipset add $UA3F_LANSET 100.64.0.0/10
ipset add $UA3F_LANSET 127.0.0.0/8
ipset add $UA3F_LANSET 169.254.0.0/16
ipset add $UA3F_LANSET 172.16.0.0/12
ipset add $UA3F_LANSET 192.168.0.0/16
ipset add $UA3F_LANSET 224.0.0.0/4
ipset add $UA3F_LANSET 240.0.0.0/4
}
fw_setup_ipt_tproxy_tcp() {
ensure_local_set_ipt || return 1
ensure_tproxy_route
setup_ipset_ipt || return 1
add_tproxy_route || return 1
if [ "$SIDECAR" = "SC" ]; then
iptables -t mangle -F SIDECAR 2>/dev/null
iptables -t mangle -D PREROUTING -p tcp -j SIDECAR 2>/dev/null
iptables -t mangle -X SIDECAR 2>/dev/null
iptables -t mangle -N SIDECAR
iptables -t mangle -I PREROUTING -p tcp -j SIDECAR
iptables -t mangle -A SIDECAR -m mark --mark $UA3F_FWMARK -p tcp -j TPROXY --on-ip 127.0.0.1 --on-port $SERVER_PORT --tproxy-mark 7894
fi
# PREROUTING
iptables -t mangle -F $UA3F_CHAIN 2>/dev/null
@ -243,18 +276,16 @@ fw_setup_ipt_tproxy_tcp() {
iptables -t mangle -X $UA3F_CHAIN 2>/dev/null
iptables -t mangle -N $UA3F_CHAIN
iptables -t mangle -A PREROUTING -p tcp -j $UA3F_CHAIN
iptables -t mangle -A $UA3F_CHAIN -m mark --mark $UA3FMARK -j RETURN
iptables -t mangle -A $UA3F_CHAIN -m conntrack --ctdir REPLY -j RETURN
iptables -t mangle -A $UA3F_CHAIN -m mark --mark $UA3F_SOMARK -j RETURN
iptables -t mangle -A $UA3F_CHAIN -m mark --mark 0x162 -j RETURN
iptables -t mangle -A $UA3F_CHAIN -m mark --mark 0x1ed4 -j RETURN
iptables -t mangle -A $UA3F_CHAIN -d 198.18.0.0/16 -j RETURN
iptables -t mangle -A $UA3F_CHAIN -d 28.0.0.1/8 -j RETURN
iptables -t mangle -A $UA3F_CHAIN -d 198.18.0.1/15 -j RETURN
iptables -t mangle -A $UA3F_CHAIN -p tcp --dport 53 -j RETURN
iptables -t mangle -A $UA3F_CHAIN -p tcp --dport 1053 -j RETURN
iptables -t mangle -A $UA3F_CHAIN -m set --match-set $UA3F_LOCAL dst -j RETURN
iptables -t mangle -A $UA3F_CHAIN -m conntrack --ctdir REPLY -j RETURN
iptables -t mangle -A $UA3F_CHAIN -p tcp -m mark --mark $FWMARK -j TPROXY --on-ip 127.0.0.1 --on-port $SERVER_PORT
iptables -t mangle -A $UA3F_CHAIN -p tcp -j TPROXY --on-ip 127.0.0.1 --on-port $SERVER_PORT --tproxy-mark $FWMARK
iptables -t mangle -A $UA3F_CHAIN -m set --match-set $UA3F_LANSET dst -j RETURN
iptables -t mangle -A $UA3F_CHAIN -p tcp -m mark --mark $UA3F_FWMARK -j TPROXY --on-ip 127.0.0.1 --on-port $SERVER_PORT
iptables -t mangle -A $UA3F_CHAIN -p tcp -j TPROXY --on-ip 127.0.0.1 --on-port $SERVER_PORT --tproxy-mark $UA3F_FWMARK
# OUTPUT
iptables -t mangle -F $UA3F_OUT_CHAIN 2>/dev/null
@ -262,21 +293,18 @@ fw_setup_ipt_tproxy_tcp() {
iptables -t mangle -X $UA3F_OUT_CHAIN 2>/dev/null
iptables -t mangle -N $UA3F_OUT_CHAIN
iptables -t mangle -I OUTPUT -p tcp -j $UA3F_OUT_CHAIN
iptables -t mangle -A $UA3F_OUT_CHAIN -m mark --mark $UA3FMARK -j RETURN
iptables -t mangle -A $UA3F_OUT_CHAIN -m mark --mark $UA3F_SOMARK -j RETURN
iptables -t mangle -A $UA3F_OUT_CHAIN -d 198.18.0.0/16 -j RETURN
iptables -t mangle -A $UA3F_OUT_CHAIN -d 28.0.0.1/8 -j RETURN
iptables -t mangle -A $UA3F_OUT_CHAIN -d 198.18.0.1/15 -j RETURN
iptables -t mangle -A $UA3F_OUT_CHAIN -p tcp --dport 53 -j RETURN
iptables -t mangle -A $UA3F_OUT_CHAIN -p tcp --dport 1053 -j RETURN
iptables -t mangle -A $UA3F_OUT_CHAIN -p tcp -m owner --gid-owner 453 -j RETURN
iptables -t mangle -A $UA3F_OUT_CHAIN -m set --match-set $UA3F_LOCAL dst -j RETURN
iptables -t mangle -A $UA3F_OUT_CHAIN -p tcp -m mark --mark 0x1ed6 -j MARK --set-mark $FWMARK
iptables -t mangle -A $UA3F_OUT_CHAIN -p tcp -m owner --gid-owner $UA3F_GID -j MARK --set-mark $FWMARK
iptables -t mangle -A $UA3F_OUT_CHAIN -p tcp -j MARK --set-mark $FWMARK
iptables -t mangle -A $UA3F_OUT_CHAIN -m set --match-set $UA3F_LANSET dst -j RETURN
iptables -t mangle -A $UA3F_OUT_CHAIN -p tcp -m owner --gid-owner $UA3F_GID -j MARK --set-mark $UA3F_FWMARK
iptables -t mangle -A $UA3F_OUT_CHAIN -p tcp -j MARK --set-mark $UA3F_FWMARK
}
fw_setup_ipt_redirect_tcp() {
ensure_local_set_ipt || return 1
setup_ipset_ipt || return 1
# PREROUTING
iptables -t nat -F $UA3F_CHAIN 2>/dev/null
@ -284,16 +312,14 @@ fw_setup_ipt_redirect_tcp() {
iptables -t nat -X $UA3F_CHAIN 2>/dev/null
iptables -t nat -N $UA3F_CHAIN
iptables -t nat -A PREROUTING -p tcp -j $UA3F_CHAIN
iptables -t nat -A $UA3F_CHAIN -m mark --mark $UA3FMARK -j RETURN
iptables -t nat -A $UA3F_CHAIN -m conntrack --ctdir REPLY -j RETURN
iptables -t nat -A $UA3F_CHAIN -m mark --mark $UA3F_SOMARK -j RETURN
iptables -t nat -A $UA3F_CHAIN -m mark --mark 0x162 -j RETURN
iptables -t nat -A $UA3F_CHAIN -m mark --mark 0x1ed4 -j RETURN
iptables -t nat -A $UA3F_CHAIN -d 198.18.0.0/16 -j RETURN
iptables -t nat -A $UA3F_CHAIN -d 28.0.0.1/8 -j RETURN
iptables -t nat -A $UA3F_CHAIN -d 198.18.0.1/15 -j RETURN
iptables -t nat -A $UA3F_CHAIN -p tcp --dport 53 -j RETURN
iptables -t nat -A $UA3F_CHAIN -p tcp --dport 1053 -j RETURN
iptables -t nat -A $UA3F_CHAIN -m set --match-set $UA3F_LOCAL dst -j RETURN
iptables -t nat -A $UA3F_CHAIN -m conntrack --ctdir REPLY -j RETURN
iptables -t nat -A $UA3F_CHAIN -m set --match-set $UA3F_LANSET dst -j RETURN
iptables -t nat -A $UA3F_CHAIN -p tcp -j REDIRECT --to-ports $SERVER_PORT
# OUTPUT
@ -301,21 +327,27 @@ fw_setup_ipt_redirect_tcp() {
iptables -t nat -D OUTPUT -p tcp -j $UA3F_OUT_CHAIN 2>/dev/null
iptables -t nat -X $UA3F_OUT_CHAIN 2>/dev/null
iptables -t nat -N $UA3F_OUT_CHAIN
iptables -t nat -A OUTPUT -p tcp -j $UA3F_OUT_CHAIN
iptables -t nat -A $UA3F_OUT_CHAIN -m mark --mark $UA3FMARK -j RETURN
iptables -t nat -I OUTPUT -p tcp -j $UA3F_OUT_CHAIN
iptables -t nat -A $UA3F_OUT_CHAIN -m mark --mark $UA3F_SOMARK -j RETURN
iptables -t nat -A $UA3F_OUT_CHAIN -d 198.18.0.0/16 -j RETURN
iptables -t nat -A $UA3F_OUT_CHAIN -d 28.0.0.1/8 -j RETURN
iptables -t nat -A $UA3F_OUT_CHAIN -d 198.18.0.1/15 -j RETURN
iptables -t nat -A $UA3F_OUT_CHAIN -p tcp --dport 53 -j RETURN
iptables -t nat -A $UA3F_OUT_CHAIN -p tcp --dport 1053 -j RETURN
iptables -t nat -A $UA3F_OUT_CHAIN -p tcp -m owner --gid-owner 453 -j RETURN
iptables -t nat -A $UA3F_OUT_CHAIN -m set --match-set $UA3F_LOCAL dst -j RETURN
iptables -t nat -A $UA3F_OUT_CHAIN -m set --match-set $UA3F_LANSET dst -j RETURN
iptables -t nat -A $UA3F_OUT_CHAIN -m owner --gid-owner 453 -j RETURN
iptables -t nat -A $UA3F_OUT_CHAIN -p tcp -m mark --mark 0x1ed6 -j REDIRECT --to-ports $SERVER_PORT
iptables -t nat -A $UA3F_OUT_CHAIN -p tcp -m owner --gid-owner $UA3F_GID -j REDIRECT --to-ports $SERVER_PORT
iptables -t nat -A $UA3F_OUT_CHAIN -p tcp -j REDIRECT --to-ports $SERVER_PORT
}
cleanup_ipset_ipt() {
ipset destroy $UA3F_LANSET 2>/dev/null
}
fw_revert_ipt() {
# sidecar
iptables -t mangle -F SIDECAR 2>/dev/null
iptables -t mangle -D PREROUTING -p tcp -j SIDECAR 2>/dev/null
iptables -t mangle -X SIDECAR 2>/dev/null
# mangle
iptables -t mangle -D PREROUTING -p tcp -j $UA3F_CHAIN 2>/dev/null
iptables -t mangle -F $UA3F_CHAIN 2>/dev/null
@ -331,11 +363,8 @@ fw_revert_ipt() {
iptables -t nat -F $UA3F_OUT_CHAIN 2>/dev/null
iptables -t nat -X $UA3F_OUT_CHAIN 2>/dev/null
# ipset
if [ -f "$IPSET_CREATED_FLAG" ]; then
ipset destroy "$UA3F_LOCAL" 2>/dev/null
rm -f "$IPSET_CREATED_FLAG"
fi
[ -f "$ROUTE_CREATED_FLAG" ] && cleanup_tproxy_route
cleanup_ipset_ipt
cleanup_tproxy_route
}
start_service() {
@ -366,14 +395,17 @@ start_service() {
SERVER_MODE="$server_mode"
LOG "Server Mode: $SERVER_MODE"
LOG "Port: $(echo $port)"
LOG "Bind: $(echo $bind)"
LOG "User-Agent: $(echo $ua)"
LOG "User-Agent Regex: $(echo $ua_regex)"
LOG "Log level: $(echo $log_level)"
LOG "Partial Replace: $(echo $partial_replace)"
LOG "Port: $port"
LOG "Bind: $bind"
LOG "User-Agent: $ua"
LOG "User-Agent Regex: $ua_regex"
LOG "Log level: $log_level"
LOG "Partial Replace: $partial_replace"
set_ua3f_group
LOG "Run as GID: $UA3F_GID, Group: $UA3F_GROUP"
LOG "Skip GIDs: $SKIP_GIDS"
LOG "UA3F_FWMARK: $UA3F_FWMARK"
detect_backend || {
LOG "No supported firewall backend found (nftables or iptables)"
@ -429,11 +461,11 @@ start_service() {
procd_open_instance "$NAME"
procd_set_param command "$PROG"
procd_append_param command -m "$server_mode"
procd_append_param command -p $port
procd_append_param command -p "$port"
procd_append_param command -b "$bind"
procd_append_param command -f "$ua"
procd_append_param command -r "$ua_regex"
procd_append_param command -l $log_level
procd_append_param command -l "$log_level"
[ "$partial_replace" = "1" ] && procd_append_param command -s
procd_set_param respawn
@ -448,15 +480,13 @@ start_service() {
stop_service() {
LOG "Stopping $NAME service..."
fw_revert_ipt >/dev/null 2>&1
fw_revert_nft >/dev/null 2>&1
rm -f "$IPSET_CREATED_FLAG" "$ROUTE_CREATED_FLAG"
LOG "$NAME service stopped"
}
reload_service() {
set_ua3f_group
stop
start
}