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pbr: bugfix for dns & tor policies

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Signed-off-by: Stan Grishin <stangri@melmac.ca>
This commit is contained in:
Stan Grishin
2024-10-06 16:45:43 +00:00
parent 340e856987
commit 5facb6cbcc
6 changed files with 23 additions and 22 deletions
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2
net/pbr/Makefile
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@@ -5,7 +5,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=pbr
PKG_VERSION:=1.1.6
PKG_RELEASE:=20
PKG_RELEASE:=22
PKG_LICENSE:=AGPL-3.0-or-later
PKG_MAINTAINER:=Stan Grishin <stangri@melmac.ca>

33
net/pbr/files/etc/init.d/pbr
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@@ -909,7 +909,7 @@ cleanup_rt_tables() {
cleanup_main_chains() {
local i j
for i in $chainsList dstnat_lan; do
for i in $chainsList dstnat; do
i="$(str_to_lower "$i")"
nft_call flush chain inet "$nftTable" "${nftPrefix}_${i}"
done
@@ -1187,8 +1187,8 @@ traffic_killswitch() {
network_get_physdev wan_device "${wanIface4:-wan}"
network_get_physdev wan6_device "${wanIface6:-wan6}"
nft_call add chain inet "$nftTable" "${nftPrefix}_killswitch" '{ type filter hook forward priority 0; policy accept; }' || s=1
nft_call add rule inet "$nftTable" "${nftPrefix}_killswitch" oifname "$wan_device" "$nftIPv4Flag" saddr "$lan_subnet" counter reject || s=1
nft_call add rule inet "$nftTable" "${nftPrefix}_killswitch" oifname "$wan6_device" "$nftIPv6Flag" saddr "$lan_subnet" counter reject
nft_call add rule inet "$nftTable" "${nftPrefix}_killswitch" oifname "$wan_device" "$nftIPv4Flag" saddr "$lan_subnet" reject || s=1
nft_call add rule inet "$nftTable" "${nftPrefix}_killswitch" oifname "$wan6_device" "$nftIPv6Flag" saddr "$lan_subnet" reject
if [ "$s" -eq '0' ]; then
output_okn
else
@@ -1221,7 +1221,7 @@ dns_policy_routing() {
local negation value dest4 dest6 first_value
local inline_set_ipv4_empty_flag inline_set_ipv6_empty_flag
local name="$1" src_addr="$2" dest_dns="$3" uid="$4"
local chain='dstnat_lan' iface='dns'
local chain='dstnat' iface='dns'
if [ -z "${dest_dns_ipv4}${dest_dns_ipv6}" ]; then
processPolicyError='true'
@@ -1246,8 +1246,8 @@ dns_policy_routing() {
unset param4
unset param6
dest4="dport 53 counter dnat ip to ${dest_dns_ipv4}:53"
dest6="dport 53 counter dnat ip6 to ${dest_dns_ipv6}:53"
dest4="dport 53 dnat ip to ${dest_dns_ipv4}:53"
dest6="dport 53 dnat ip6 to ${dest_dns_ipv6}:53"
if [ -n "$src_addr" ]; then
if [ "${src_addr:0:1}" = "!" ]; then
@@ -1286,8 +1286,8 @@ dns_policy_routing() {
fi
fi
param4="$nftInsertOption rule inet ${nftTable} ${nftPrefix}_${chain} ${param4} ${proto_i} ${nft_rule_params} ${dest4} comment \"$name\""
param6="$nftInsertOption rule inet ${nftTable} ${nftPrefix}_${chain} ${param6} ${proto_i} ${nft_rule_params} ${dest6} comment \"$name\""
param4="$nftInsertOption rule inet ${nftTable} ${nftPrefix}_${chain} ${param4} ${nft_rule_params} ${proto_i} ${dest4} comment \"$name\""
param6="$nftInsertOption rule inet ${nftTable} ${nftPrefix}_${chain} ${param6} ${nft_rule_params} ${proto_i} ${dest6} comment \"$name\""
local ipv4_error='0' ipv6_error='0'
if [ "$policy_routing_nft_prev_param4" != "$param4" ] && \
@@ -1488,13 +1488,14 @@ policy_routing() {
local dest_udp_53 dest_tcp_80 dest_udp_80 dest_tcp_443 dest_udp_443
local ipv4_error='0' ipv6_error='0'
local dest_i dest4 dest6
param4="$nftInsertOption rule inet $nftTable ${nftPrefix}_${chain} dstnat meta nfproto ipv4 $param4"
param6="$nftInsertOption rule inet $nftTable ${nftPrefix}_${chain} dstnat meta nfproto ipv6 $param6"
dest_udp_53="udp dport 53 counter redirect to :${torDnsPort} comment 'Tor-DNS-UDP'"
dest_tcp_80="tcp dport 80 counter redirect to :${torTrafficPort} comment 'Tor-HTTP-TCP'"
dest_udp_80="udp dport 80 counter redirect to :${torTrafficPort} comment 'Tor-HTTP-UDP'"
dest_tcp_443="tcp dport 443 counter redirect to :${torTrafficPort} comment 'Tor-HTTPS-TCP'"
dest_udp_443="udp dport 443 counter redirect to :${torTrafficPort} comment 'Tor-HTTPS-UDP'"
chain='dstnat'
param4="$nftInsertOption rule inet $nftTable ${nftPrefix}_${chain} meta nfproto ipv4 $param4"
param6="$nftInsertOption rule inet $nftTable ${nftPrefix}_${chain} meta nfproto ipv6 $param6"
dest_udp_53="udp dport 53 redirect to :${torDnsPort} comment 'Tor-DNS-UDP'"
dest_tcp_80="tcp dport 80 redirect to :${torTrafficPort} comment 'Tor-HTTP-TCP'"
dest_udp_80="udp dport 80 redirect to :${torTrafficPort} comment 'Tor-HTTP-UDP'"
dest_tcp_443="tcp dport 443 redirect to :${torTrafficPort} comment 'Tor-HTTPS-TCP'"
dest_udp_443="udp dport 443 redirect to :${torTrafficPort} comment 'Tor-HTTPS-UDP'"
for dest_i in dest_udp_53 dest_tcp_80 dest_udp_80 dest_tcp_443 dest_udp_443; do
eval "dest4=\$$dest_i"
eval "dest6=\$$dest_i"
@@ -2381,7 +2382,7 @@ status_service() {
fi
echo "$_SEPARATOR_"
echo "$packageName chains - policies"
for i in $chainsList dstnat_lan; do
for i in $chainsList dstnat; do
"$nft" -a list table inet "$nftTable" | sed -n "/chain ${nftPrefix}_${i} {/,/\t}/p"
done
echo "$_SEPARATOR_"

6
net/pbr/files/etc/init.d/pbr-iptables
View File

@@ -995,7 +995,7 @@ cleanup_rt_tables() {
cleanup_main_chains() {
local i j
for i in $chainsList dstnat_lan; do
for i in $chainsList dstnat; do
i="$(str_to_lower "$i")"
nft_call flush chain inet "$nftTable" "${nftPrefix}_${i}"
done
@@ -1638,7 +1638,7 @@ dns_policy_routing_nft() {
local mark i nftInsertOption='add'
local param4 param6 proto_i negation value dest4 dest6 dest_dns4 dest_dns6
local name="$1" src_addr="$2" dest_dns="$3" uid="$4"
local proto='tcp udp' chain='dstnat_lan' iface='dns'
local proto='tcp udp' chain='dstnat' iface='dns'
if [ -z "$ipv6_enabled" ] && { is_ipv6 "$src_addr" || is_ipv6 "$dest_dns"; }; then
processPolicyError='true'
@@ -3162,7 +3162,7 @@ status_service_nft() {
fi
echo "$_SEPARATOR_"
echo "$packageName chains - policies"
for i in $chainsList dstnat_lan; do
for i in $chainsList dstnat; do
"$nft" -a list table inet "$nftTable" | sed -n "/chain ${nftPrefix}_${i} {/,/\t}/p"
done
echo "$_SEPARATOR_"

1
net/pbr/files/usr/share/nftables.d/chain-post/dstnat/30-pbr.nft Normal file
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@@ -0,0 +1 @@
jump pbr_dstnat comment "Jump into pbr dstnat chain";

1
net/pbr/files/usr/share/nftables.d/chain-post/dstnat_lan/30-pbr.nft
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@@ -1 +0,0 @@
jump pbr_dstnat_lan comment "Jump into pbr dstnat_lan chain";

2
net/pbr/files/usr/share/nftables.d/table-post/30-pbr.nft
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@@ -1,4 +1,4 @@
chain pbr_dstnat_lan {}
chain pbr_dstnat {}
chain pbr_forward {}
chain pbr_input {}
chain pbr_output {}