updates

1 files changed, 52 insertions, 0 deletions

diff --git a/ipv6/ns_bind.sh b/ipv6/ns_bind.sh
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+#!/usr/bin/env sh
+# this pretty much just creates a new network namespace for the interface we get
+# when we enable USB tethering on the phone. This enables us to use the phone interface
+# for certain applications only.
+# reference:
+# - https://unix.stackexchange.com/questions/210982/bind-unix-program-to-specific-network-interface
+# - https://superuser.com/questions/241178/how-to-use-different-network-interfaces-for-different-processes
+# - https://gist.github.com/mtds/4c4925c2aa022130e4b7c538fdd5a89f
+# - https://unix.stackexchange.com/questions/494324/how-to-setup-dns-manually-on-linux
+# example: sudo ip netns exec phone_ns bash
+
+PHONE_NS=phone_ns
+IF=enp0s20f0u3u1u3
+
+sudo ip netns add ${PHONE_NS}
+sudo ip link set ${IF} netns ${PHONE_NS}
+sudo ip netns exec ${PHONE_NS} ip link set ${IF} up
+sudo ip netns exec ${PHONE_NS} ip link set dev lo up
+# will need to install dhclient before runnning this dummy
+# FIXME running dhclient fucks up resolv.conf
+# FIXME right now we have to use sudo
+sudo ip netns exec ${PHONE_NS} dhclient ${IF}
+
+# ip netns add myNamespace
+# ip link set eth0 netns myNamespace
+# ip netns exec myNamespace ifconfig eth0 192.168.0.10/24 up
+# ip netns exec myNamespace ifconfig lo 127.0.0.1/8 up
+# ip netns exec myNamespace route add default gw 192.168.0.1
+# ip netns exec myNamespace firefox
+
+# ip netns add ${PHONE_NS}
+# ip link set ${IF} netns ${PHONE_NS}
+# ip netns exec ${PHONE_NS} ifconfig ${IF} 192.168.0.10/24 up
+# ip netns exec ${PHONE_NS} ifconfig lo 127.0.0.1/8 up
+# ip netns exec ${PHONE_NS} route add default gw 192.168.0.1
+# ip netns exec ${PHONE_NS} dhclient ${IF}
+
+# IF_A=v_eth0a
+# IF_B=v_eth0b
+# ip netns add ${PHONE_NS}
+# ip link add ${IF_A} veth peer name ${IF_B}
+# ip link set ${IF_A} netns ${PHONE_NS}
+# ip netns exec ${PHONE_NS} ifconfig ${IF_A} up {{NAMESPACE_IP}} netmask {{NAMESPACE_NETMASK}}
+# ifconfig ${IF_B} up {{ROOT_NS_IP}} netmask {{ROOT_NS_NETMASK}}
+# ip netns exec ${PHONE_NS} route add default gw {{ROOT_NS_IP}} dev ${IF_A}
+# sysctl net.ipv4.ip_forward=1
+# iptables -t nat -A POSTROUTING -s {{ROUTE_SOURCE}}/24 -o {{NETWORK_INTERFACE}} -j SNAT --to-source {{ROUTE_TARGET}}
+################################################################################
+#test
+ip netns exec ${PHONE_NS} ping -4 9.9.9.9
+ip netns exec ${PHONE_NS} ping -4 google.com
+ip netns exec ${PHONE_NS} curl -4 icanhazip.com