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Signed-off-by: David Goulet <dgoulet@torproject.org>
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One is fixed by disabling the -Wredundant-decls warnings around
openssl headers here, because of the old double-declaration of
SSL_get_selected_srtp_profile().
One is fixed by including compat.h before or.h so that we get the
winsock2.h include before the windows.h include.
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In our code to write public keys to a string, for some unfathomable
reason since 253f0f160e1185c, we would allocate a memory BIO, then
set the NOCLOSE flag on it, extract its memory buffer, and free it.
Then a little while later we'd free the memory buffer with
BUF_MEM_free().
As of openssl 1.1 this doesn't work any more, since there is now a
BIO_BUF_MEM structure that wraps the BUF_MEM structure. This
BIO_BUF_MEM doesn't get freed in our code.
So, we had a memory leak!
Is this an openssl bug? Maybe. But our code was already pretty
silly. Why mess around with the NOCLOSE flag here when we can just
keep the BIO object around until we don't need the buffer any more?
Fixes bug 20553; bugfix on 0.0.2pre8
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fixes bug 20551; bugfix on 0.2.1.1-alpha
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This function is allowed to return NULL if the certified key isn't
RSA. But in a couple of places we were treating this as a bug or
internal error, and in one other place we weren't checking for it at
all!
Caught by Isis during code review for #15055. The serious bug was
only on the 15055 branch, thank goodness.
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Adds docstrings for generate_ed_link_cert() and should_make_new_ed_keys().
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All supported Tors (0.2.4+) require versions of openssl that can
handle this.
Now that our link certificates are RSA2048, this might actually help
vs fingerprinting a little.
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This was a stopgap method, designed on the theory that some routers
might support it before they could support Ed25519. But it looks
like everybody who supports RFC5705 will also have an Ed25519 key,
so there's not a lot of reason to have this even supported.
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This patch moves the pregenerated RSA key logic into a new
testing_rsakeys.c.
Also, it adds support for RSA2048, since the link handshake tests
want that.
Also, it includes pregenerated keys, rather than trying to actually
generate the keys at startup, since generating even a small handful
of RSA2048 keys makes for an annoying delay.
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Check out the coverage!
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Success cases only. Failure cases to come.
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Includes updated test for authchallenge cells
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Oddly, nothing broke.
Closes ticket 13752.
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This code stores the ed certs as appropriate, and tries to check
them. The Ed25519 result is not yet used, and (because of its
behavior) this will break RSA authenticate cells. That will get
fixed as we go, however.
This should implement 19157, but it needs tests, and it needs
to get wired in.
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In particular, these functions are the ones that set the identity of
a given connection or channel, and/or confirm that we have learned
said IDs.
There's a lot of stub code here: we don't actually need to use the
new keys till we start looking up connections/channels by Ed25519
IDs. Still, we want to start passing the Ed25519 IDs in now, so it
makes sense to add these stubs as part of 15055.
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The impact here isn't too bad. First, the only affected certs that
expire after 32-bit signed time overflows in Y2038. Second, it could
only make it seem that a non-expired cert is expired: it could never
make it seem that an expired cert was still live.
Fixes bug 20027; bugfix on 0.2.7.2-alpha.
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The batch-verification helper didn't expose the expiration time,
which made it pretty error-prone.
This closes ticket 15087.
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This makes the code a bit cleaner by having more of the functions be
pure functions that don't depend on the current time.
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Also, adjust signing approach to more closely match the signing
scheme in the proposal.
(The format doesn't quite match the format in the proposal, since
RSA signatures aren't fixed-length.)
Closes 19020.
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Fixes bug 17779; bugfix on 0.2.7.2-alpha.
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This will help us do cert-checking in the background in the future,
perhaps.
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This means we don't need to precompute the length.
Helps simplify the implementation of 19156.
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Implements the major part of 19156, except doesn't actually send the
new cell type yet.
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See proposal 244. This feature lets us stop looking at the internals
of SSL objects, *and* should let us port better to more SSL libraries,
if they have RFC5705 support.
Preparatory for #19156
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Implements 19155 (send CERTS cells correctly for Ed25519)
Also send RSA->Ed crosscert
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We no longer generate certs cells by pasting the certs together one
by one. Instead we use trunnel to generate them.
Preliminary work for 19155 (send CERTS cell with ed certs)
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Implements the parsing part of #19157
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Fixes bug 19969; bugfix on b1d56fc58. We can fix this some more in
later Tors, but for now, this is probably the simplest fix possible.
This is a belt-and-suspenders fix, where the earlier fix ("Ask
event_base_loop to finish when we add a pending stream") aims to respond
to new streams as soon as they arrive, and this one aims to make sure
that we definitely respond to all of the streams.
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