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This commit fixes all callsites of netip.AddrFromSlice(), which has
changed its signature and now returns two values.
Signed-off-by: Alexander Neumann <alexander.neumann@redteam-pentesting.de>
[Jason: remove error handling from AddrFromSlice.]
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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I'm not 100% sure this is correct, but it certainly is a lot simpler.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Provide a PacketConn interface for netstack's ICMP endpoint; netstack
currently only provides EchoRequest/EchoResponse ICMP support, so this
code exposes only an interface for doing ping.
Signed-off-by: Thomas Ptacek <thomas@sockpuppet.org>
[Jason: rework structure, match std go interfaces, add example code]
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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There are more places where we'll need to add it later, when Go 1.18
comes out with support for it in the "net" package. Also, allowedips
still uses slices internally, which might be suboptimal.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Update gvisor to v0.0.0-20211020211948-f76a604701b6, which requires some
changes to tun.go:
WriteRawPacket: Add function with not implemented error.
CreateNetTUN: Replace stack.AddAddress with stack.AddProtocolAddress, and
fix IPv6 address in error message.
Signed-off-by: Mikael Magnusson <mikma@users.sourceforge.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Reported-by: John Xiong <xiaoyang1258@yeah.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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The Go linker isn't smart enough to prevent gvisor from being pulled
into modules that use other parts of tun/, due to the types exposed. So,
we put this into its own standalone module.
We use this as an opportunity to introduce some example code as well.
I'm still not happy that this not only clutters this repo's go.sum, but
all the other projects that consume it, but it seems like making a new
module inside of this repo will lead to even greater confusion.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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