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postmarketos-config-nftables: Add nftables rules for anbox (MR 2271)

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Anbox needs a specific set of nftables rules to allow incoming and
outgoing traffic. Anbox makes it easy to allow the specific traffic due
to the established `anbox0` bridge network interface.
This commit is contained in:
samuel norbury 2021-06-23 19:40:46 +02:00 committed by Dylan Van Assche
parent ed39ad7319
commit 3960ad0c51
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GPG key ID: 8642571587897EA1
2 changed files with 22 additions and 2 deletions
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13
main/postmarketos-config-nftables/APKBUILD
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@ -1,18 +1,19 @@
# Maintainer: Clayton Craft <clayton@craftyguy.net>
pkgname=postmarketos-config-nftables
pkgver=0.1
pkgrel=0
pkgrel=1
pkgdesc="nftables firewall configuration for postmarketOS"
url="https://gitlab.com/postmarketos"
arch="noarch"
license="MIT"
depends="nftables-openrc"
subpackages="$pkgname-openusb:openusb $pkgname-log:log"
subpackages="$pkgname-openusb:openusb $pkgname-log:log $pkgname-anbox:anbox"
source="
rules/00_log_all.nft
rules/01_wwan.nft
rules/10_dhcp.nft
rules/50_ssh.nft
rules/51_anbox.nft
rules/60_usb.nft
rules/99_drop_log.nft
"
@ -41,11 +42,19 @@ log() {
amove etc/nftables.d/99_drop_log.nft
}
anbox() {
depends="$pkgname"
description="Enables networking for Anbox"
amove etc/nftables.d/51_anbox.nft
}
sha512sums="
166d77bcccc85a3db24af85010d07241cf193bccd79064863fbf9da7be4426364e9f9a9e0668c2c8018ada470d0fda30fe8eba24d24a2d4150af1d78af31b9b7 00_log_all.nft
10b3ab4d1f98a669e88fb2113a3880c4bf410d68859fe6a3efe8d638e3060af4a829485aed8c8da226c7fb7a53bab1bc90a659cb8fad9ccd226d808dbba94caf 01_wwan.nft
03ea8b54210e5c5627cfe26d50bc98355951ea81b9aa1a46dc4093b15b47b224ba1b2a95c5add65639478e47ca6e9d6f4ce4053a94622e832dc065f66d1fd6c8 10_dhcp.nft
6b0d0c7c3368dde1ad61d26a0c2e13008f16d5bedaf11fa4a3511b49675505cbbdda8bf8ff158194846b197108f76bdfd66d40a2afb9f4d25c79b02acf5659b7 50_ssh.nft
49d217a62b3bf2fb5555cf51db0bf0887d5a79722cffcd3b17fc85628ac26f3384e42ef28526746c754b071afa82fd13d02dd0876014d44fbfa20295a515060c 51_anbox.nft
0e86974602622c03f0b34acd048e3a31157c0226ab4b5ec093a19696af3fc9637ed84cecf0d190941e4bd3afeb0c76a37245fa850abef46778cd1235ad8106df 60_usb.nft
1532899534d7432a7708620cf1053ab80635fffe038a2352eb890c35fba4247c3b9ab3d0b028da1be765e5feb9b5a5b3a8107f4aa79f790d17930d38535a2288 99_drop_log.nft
"

11
main/postmarketos-config-nftables/rules/51_anbox.nft Normal file
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@ -0,0 +1,11 @@
#!/usr/sbin/nft -f
table inet filter {
chain input {
iif anbox0 accept comment "Allow incomming network traffic from Anbox"
}
chain forward {
iif anbox0 accept comment "Allow outgoing network traffic from Anbox"
ct state {established, related} counter accept comment "accept established connections"
}
}