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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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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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Note: this is a partial diff, introducing temporary bugs that will be
resolved in following commits, detailed below.
This commit brings wg_noise.{c,h} up to date with wireguard-openbsd. The
primary motivator for this large patchset is to allow checking nonces
serial, requiring a reference to the receiving keypair across noise_*
calls. Due to requiring reference counting on the keypairs, we also take
this opportunity to throw away the old locking and bring in EPOCH
(roughly equivalent to SMR on OpenBSD and RCU on Linux).
The changes to if_wg.c are purely to allow it to compile, there are most
certainly refcount leaks present (to be addressed in the following
commits). Readers should review wg_noise.{c,h} in their entirety rather
than the diffs, as there are significant changes. if_wg.c can be
reviewed, but must be contextualised with the following commits
(repace wg_tag with wg_packet, encrypt mbuf in place).
Signed-off-by: Matt Dunwoodie <ncon@noconroy.net>
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This should allow us to get more testing coverage earlier.
This port here is also a bit janky. I really don't like the taskqgroup
business, having to copy and paste those structs. And this isn't well
tested, either. But, it's a start.
This distinguishes between compat.h and support.h, though both header
files are intended to operate in more or less the same way. It's
important to keep some discipline between things that we're backporting
and things that aren't _yet_ upstream or are shims for OpenBSD.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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This involves weird backporting things. Hopefully support.c here is not
as bad as compat.h on Linux.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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There's still more to do with wiring this up properly.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Jason A. Donenfeld
Matt Dunwoodie