Date: Fri, 17 Apr 2020 12:00:22 +0200 From: Daniel Morandini <danielmorandini@me.com> To: freebsd-net@freebsd.org Subject: ipheth device and iPhone tetheting Message-ID: <A2DB0B17-C241-4886-8857-A012450CF864@me.com>
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Hi folks,
Obtaining an Internet access from an iOS device connected via USB is =
currently quite a pain.
The flow is supposed to be something like:
1. load the ipheth module
2. plug in the iOS device with tethering enabled
3. a new ueN interface is created
4. dhclient ueN
and you should have a new gateway. At least this is what I expect, which =
is similar to what happens when connecting an Android device with =
tethering enabled, the only difference being you have to use the urndis =
module.
After step 3 instead the ipheth module is not capable of creating the =
interface, and you have to actually configure the device manually as =
explained in the ipheth(4) BUG note, using `usbconfig -d <unit>.<addr> 2 =
set_config 3`.
This triggers an authentication request on the iPhone, and after that =
the interface is eventually created, but the dhclient is not able to =
obtain a lease with it, "No DHCPOFFERS received=E2=80=9D.
Digging around the web you=E2=80=99ll eventually find this guide [1] =
which, even though it is quite old (10 yrs now), points to the right =
direction: usbmuxd and libimobiledevice.
The usbmuxd is available as a port now, under comms/usbmuxd (not =
maintained though). Install, run the daemon, plug the phone again and =
you=E2=80=99ll get your interface. This time dhclient is able to obtain =
a lease, but you=E2=80=99ll not get internet out of that (at least, =
I=E2=80=99m not):
```
# ifconfig
lo0: flags=3D8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
options=3D680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1
inet 127.0.0.1 netmask 0xff000000
groups: lo
nd6 options=3D21<PERFORMNUD,AUTO_LINKLOCAL>
ue0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu =
1500
options=3D80009<RXCSUM,VLAN_MTU,LINKSTATE>
ether b8:27:eb:ed:a1:c9
media: Ethernet autoselect (none)
status: no carrier
nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
ue1: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu =
1500
ether 7e:a1:ae:6a:11:1d
inet 0.0.0.0 netmask 0xff000000 broadcast 255.255.255.255
nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
```
```
# netstat -rn
Routing tables
Internet:
Destination Gateway Flags Netif Expire
0.0.0.0/8 link#3 U ue1
127.0.0.1 link#1 UH lo0
Internet6:
Destination Gateway Flags =
Netif Expire
::/96 ::1 UGRS =
lo0
::1 link#1 UH =
lo0
::ffff:0.0.0.0/96 ::1 UGRS =
lo0
fe80::/10 ::1 UGRS =
lo0
fe80::%lo0/64 link#1 U =
lo0
fe80::1%lo0 link#1 UHS =
lo0
ff02::/16 ::1 UGRS =
lo0
```
```
# uname -a
FreeBSD generic 12.1-RELEASE FreeBSD 12.1-RELEASE r354233 GENERIC arm
```
Long story short: do we want to work on this issue? I=E2=80=99m =
available for helping, but I need some guidance.
Greetings,
Daniel
[1] =
https://forums.freebsd.org/threads/howto-iphone-internet-connection-sharin=
g-via-usb.19995/
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