This reverts commit 75d43b5785. Chatting
with EKR, there is some reason to believe that doing this might cause
more middlebox issues. Since we're still in the middle of working
towards viable deployment in the first place, revert this.
We can experiment with this later. I should have arranged for this to be
controlled more carefully anyway.
Change-Id: I0c8bf578f9d7364e913894e1bf3c2b8123dfd770
Reviewed-on: https://boringssl-review.googlesource.com/22204
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Commit-Queue: David Benjamin <davidben@google.com>
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This doesn't matter in so far as runner is not a real TLS
implementation, but it should enforce what there is to enforce just to
keep BoringSSL honest.
Bug: 80
Change-Id: I68940c33712d34a2437dc4dee31342e7f0f57c23
Reviewed-on: https://boringssl-review.googlesource.com/22069
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Commit-Queue: David Benjamin <davidben@google.com>
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This does not affect TLS 1.2 (beyond Channel ID or NPN) but, in TLS 1.3,
we send several encrypted handshake messages in a row. For the server,
this means 66 wasted bytes in TLS 1.3. Since OpenSSL has otherwise used
one record per message since the beginning and unencrypted overhead is
less interesting, leave that behavior as-is for the time being. (This
isn't the most pressing use of the breakage budget.) But TLS 1.3 is new,
so get this tight from the start.
Change-Id: I64dbd590a62469d296e1f10673c14bcd0c62919a
Reviewed-on: https://boringssl-review.googlesource.com/22068
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We enforce that servers don't send bogus ALPN values, so consumers may
assume that SSL_get0_alpn_selected won't have anything terribly weird.
To maintain that invariant in the face of folks whose ALPN preferences
change (consider a persisted session cache), we should decline to offer
0-RTT if early_alpn would have been rejected by the check anyway.
Change-Id: Ic3a9ba4041d5d4618742eb05e27033525d96ade1
Reviewed-on: https://boringssl-review.googlesource.com/22067
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Now that we've gotten everything, test this by just making bssl_shim run
all errors twice. The manual tests added to ssl_test.cc may now be
removed.
Bug: 206
Change-Id: Iefa0eae83ba59b476e6b6c6f0f921d5d1b72cbfb
Reviewed-on: https://boringssl-review.googlesource.com/21886
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While a fairly small hook, open_close_notify is pretty weird. It
processes things at the record level and not above. Notably, this will
break if it skips past a TLS 1.3 KeyUpdate.
Instead, it can share the core part of SSL_read/SSL_peek, with slight
tweaks to post-handshake processing. Note this does require some tweaks
to that code. Notably, to retain the current semantics that SSL_shutdown
does not call funny callbacks, we suppress tickets.
Change-Id: Ia0cbd0b9f4527f1b091dd2083a5d8c7efb2bac65
Reviewed-on: https://boringssl-review.googlesource.com/21885
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This removes the last place where non-app-data hooks leave anything
uncomsumed in rrec. (There is still a place where non-app-data hooks see
a non-empty rrec an entrance. read_app_data calls into read_handshake.
That'll be fixed in a later patch in this series.)
This should not change behavior, though some error codes may change due
to some processing happening in a slightly different order.
Since we do this in a few places, this adds a BUF_MEM_append with tests.
Change-Id: I9fe1fc0103e47f90e3c9f4acfe638927aecdeff6
Reviewed-on: https://boringssl-review.googlesource.com/21345
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RSABadValueTooLong should have the true one as a suffix, not a prefix,
so that the version check still works. Also do the padding manually to
catch a few other bad padding cases. This is sufficient coverage so that
disabling any one comparison in the padding check flags some failure.
Change-Id: Ibcad284e5ecee3e995f43101c09e4cf7694391e9
Reviewed-on: https://boringssl-review.googlesource.com/21904
Reviewed-by: Steven Valdez <svaldez@google.com>
Application records may be packed with other application data records or
with handshake records. We also were never testing CCS and handshake
being packed together. Implement this by moving the packing logic to the
bottom of BoGo's DTLS record layer.
Change-Id: Iabc14ec4ce7b99ed1f923ce9164077efe948c7a0
Reviewed-on: https://boringssl-review.googlesource.com/21844
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Thanks to Dimitar Vlahovski for pointing this out.
Change-Id: I417f52ec6c3e950bdab6079962b29976fb75c029
Reviewed-on: https://boringssl-review.googlesource.com/21324
Reviewed-by: David Benjamin <davidben@google.com>
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Although we are derived from 1.0.2, we mimic 1.1.0 in some ways around
our FOO_up_ref functions and opaque libssl types. This causes some
difficulties when porting third-party code as any OPENSSL_VERSION_NUMBER
checks for 1.1.0 APIs we have will be wrong.
Moreover, adding accessors without changing OPENSSL_VERSION_NUMBER can
break external projects. It is common to implement a compatibility
version of an accessor under #ifdef as a static function. This then
conflicts with our headers if we, unlike OpenSSL 1.0.2, have this
function.
This change switches OPENSSL_VERSION_NUMBER to 1.1.0 and atomically adds
enough accessors for software with 1.1.0 support already. The hope is
this will unblock hiding SSL_CTX and SSL_SESSION, which will be
especially useful with C++-ficiation. The cost is we will hit some
growing pains as more 1.1.0 consumers enter the ecosystem and we
converge on the right set of APIs to import from upstream.
It does not remove any 1.0.2 APIs, so we will not require that all
projects support 1.1.0. The exception is APIs which changed in 1.1.0 but
did not change the function signature. Those are breaking changes.
Specifically:
- SSL_CTX_sess_set_get_cb is now const-correct.
- X509_get0_signature is now const-correct.
For C++ consumers only, this change temporarily includes an overload
hack for SSL_CTX_sess_set_get_cb that keeps the old callback working.
This is a workaround for Node not yet supporting OpenSSL 1.1.0.
The version number is set at (the as yet unreleased) 1.1.0g to denote
that this change includes https://github.com/openssl/openssl/pull/4384.
Bug: 91
Change-Id: I5eeb27448a6db4c25c244afac37f9604d9608a76
Reviewed-on: https://boringssl-review.googlesource.com/10340
Commit-Queue: David Benjamin <davidben@google.com>
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Reviewed-by: Adam Langley <agl@google.com>
The Java client implementation of the 3SHAKE mitigation incorrectly
rejects initial handshakes when all of the following are true:
1. The ClientHello offered a session.
2. The session was successfully resumed previously.
3. The server declines the session.
4. The server sends a certificate with a different SAN list than in the
previous session.
(Note the 3SHAKE mitigation is to reject certificates changes on
renegotiation, while Java's logic applies to initial handshakes as
well.)
The end result is long-lived Java clients break on some certificate
rotations. Fingerprint Java clients and decline all offered sessions.
This avoids (2) while still introducing new sessions to clear any
existing problematic sessions.
See also b/65323005.
Change-Id: Ib2b84c69b5ecba285ffb8c4d03de5626838d794e
Reviewed-on: https://boringssl-review.googlesource.com/20184
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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Bug: 124
Change-Id: Iff02be9df2806572e6d3f860b448f598f85778c3
Reviewed-on: https://boringssl-review.googlesource.com/20107
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There's a lot of duplicated code between the two. This is in preparation
for adding two more of these fuzzers, this time for DTLS.
Bug: 124
Change-Id: I8ca2a02d599e2c88e30838d04b7cf07d4221aa76
Reviewed-on: https://boringssl-review.googlesource.com/20106
Reviewed-by: Steven Valdez <svaldez@google.com>
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Found with libFuzzer.
Bug: chromium:763097
Change-Id: I806bcfc714c0629ff7f725e37f4c0045d4ec7ac6
Reviewed-on: https://boringssl-review.googlesource.com/20105
Commit-Queue: David Benjamin <davidben@google.com>
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We forgot to reset that value.
Change-Id: Ic869cb61da332983cc40223cbbdf23b455dd9766
Reviewed-on: https://boringssl-review.googlesource.com/20084
Commit-Queue: David Benjamin <davidben@google.com>
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Change-Id: I4dea223825da4e4ab0bc789e738f470f5fe5d659
Reviewed-on: https://boringssl-review.googlesource.com/20044
Commit-Queue: Martin Kreichgauer <martinkr@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
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This fixes a regression in Conscrypt added by
https://boringssl-review.googlesource.com/19144. SSL_get_session
otherwise attempts to return hs->new_session, but that has been released
at this point.
Change-Id: I55b41cbefb65b3ae3cfbfad72f6338bd66db3341
Reviewed-on: https://boringssl-review.googlesource.com/19904
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For historical reasons, TLS allows ServerHellos (and ClientHellos)
without extensions to omit the extensions fields entirely.
https://github.com/openssl/openssl/pull/4296 reports this is even
necessary for compatibility with extension-less clients. We continue to
do so, but add a test for it anyway.
Change-Id: I63c2e3a5f298674eb21952fca6914dad07d7c245
Reviewed-on: https://boringssl-review.googlesource.com/19864
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That's the last of it!
Change-Id: I93d1f5ab7e95b2ad105c34b24297a0bf77625263
Reviewed-on: https://boringssl-review.googlesource.com/19784
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The fuzzer should discover this instantly, but it's a sufficiently
important failure case (don't accidentally drop the certificate on the
floor or anything weird like that) that it's probably worth testing.
Change-Id: I684932c2e8a88fcf9b2318bf46980d312c66f6ef
Reviewed-on: https://boringssl-review.googlesource.com/19744
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OpenSSL's API has a non-fatal "soft fail" mode (can we get rid of
this?), so we should set the flag even if config->verify_fail is true.
Change-Id: I5a2a3290b9bf45c682f3a629a8b6474b1090fc6e
Reviewed-on: https://boringssl-review.googlesource.com/19684
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We have fancy -on-initial and -on-resume prefixes now that can apply to
every flag.
Change-Id: I6195a97f663ebc94db320ca35889c213c700a976
Reviewed-on: https://boringssl-review.googlesource.com/19666
Commit-Queue: Adam Langley <agl@google.com>
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We currently forbid the server certificate from changing on
renegotiation. This means re-verifying the certificate is pointless and
indeed the callback being called again seems to surprise consumers more
than anything else.
Carry over the initial handshake's SCT lists and OCSP responses (don't
enforce they don't change since the server may have, say, picked up new
OCSP responses in the meantime), ignore new ones received on
renegotiation, and don't bother redoing verification.
For our purposes, TLS 1.2 renegotiation is an overcomplicated TLS 1.3
KeyUpdate + post-handshake auth. The server is not allowed to change
identity.
Bug: 126
Change-Id: I0dae85bcf243943b1a5a97fa4f30f100c9e6e41e
Reviewed-on: https://boringssl-review.googlesource.com/19665
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We do not call the new_session callback on renego, but a consumer using
SSL_get_session may still attempt to resume such a session. Leave the
not_resumable flag unset. Also document this renegotiation restriction.
Change-Id: I5361f522700b02edf5272ba5089c0777e5dafb09
Reviewed-on: https://boringssl-review.googlesource.com/19664
Commit-Queue: Adam Langley <agl@google.com>
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I messed up https://boringssl-review.googlesource.com/8883 and caused
both sides to believe they had sent the final Finished. Use next_message
to detect whether our last flight had a reply.
Change-Id: Ia4d8c8eefa818c9a69acc94d63c9c863293c3cf5
Reviewed-on: https://boringssl-review.googlesource.com/19604
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This loosens the earlier restriction to match Channel ID. Both may be
configured and offered, but the server is obligated to select only one
of them. This aligns with the current tokbind + 0-RTT draft where the
combination is signaled by a separate extension.
Bug: 183
Change-Id: I786102a679999705d399f0091f76da236be091c2
Reviewed-on: https://boringssl-review.googlesource.com/19124
Reviewed-by: Steven Valdez <svaldez@google.com>
Commit-Queue: Steven Valdez <svaldez@google.com>
CertificateVerify must be sent after a non-empty Certificate msg for:
1) TLS1.2 client
2) TLS1.3 client and server
This CL adds tests for those use cases.
Change-Id: I696e9dd74dcd523c6f8868a4fb9ada28fd67746d
Reviewed-on: https://boringssl-review.googlesource.com/19044
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This is analogous to needing to test that Finished is enforced in False
Start.
Change-Id: I168a72ac51b0f75156aaf6ccc9724ae66ce1e734
Reviewed-on: https://boringssl-review.googlesource.com/18986
Reviewed-by: Steven Valdez <svaldez@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
These should use the shim/runner combined setting.
Change-Id: Iad6abb4e76f6e5accef446696aa4132073eca06a
Reviewed-on: https://boringssl-review.googlesource.com/18984
Commit-Queue: David Benjamin <davidben@google.com>
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reuse_message and V2ClientHellos each caused messages to be
double-reported.
Change-Id: I8722a3761ede272408ac9cf8e1b2ce383911cc6f
Reviewed-on: https://boringssl-review.googlesource.com/18764
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This would only come up if the peer didn't pack records together, but
it's free to handle. Notably OpenSSL has a bug where it does not pack
retransmits together.
Change-Id: I0927d768f6b50c62bacdd82bd1c95396ed503cf3
Reviewed-on: https://boringssl-review.googlesource.com/18724
Reviewed-by: David Benjamin <davidben@google.com>
I'm not that fast when debugging.
Change-Id: I37a120a77e9a35ac5255ad760513b983f83d9bd7
Reviewed-on: https://boringssl-review.googlesource.com/18605
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I started by switching a couple fields to SSL_HANDSHAKE and then kept
following transitive bits.
Bug: 132
Change-Id: I640dadd3558615fa38c7e8498d4efe7449b0658f
Reviewed-on: https://boringssl-review.googlesource.com/18245
Reviewed-by: Steven Valdez <svaldez@google.com>
Commit-Queue: Steven Valdez <svaldez@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
The previous attempt around the 'struct ssl_st' compatibility mess
offended OSS-Fuzz and UBSan because one compilation unit passed a
function pointer with ssl_st* and another called it with
bssl::SSLConnection*.
Linkers don't retain such types, of course, but to silence this alert,
instead make C-visible types be separate from the implementation and
subclass the public type. This does mean we risk polluting the symbol
namespace, but hopefully the compiler is smart enough to inline the
visible struct's constructor and destructor.
Bug: 132
Change-Id: Ia75a89b3a22a202883ad671a630b72d0aeef680e
Reviewed-on: https://boringssl-review.googlesource.com/18224
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Steven Valdez <svaldez@google.com>
Reviewed-by: Steven Valdez <svaldez@google.com>
This is horrible, but everything else I tried was worse. The goal with
this CL is to take the extern "C" out of ssl/internal.h and move most
symbols to namespace bssl, so we can start using C++ helpers and
destructors without worry.
Complications:
- Public API functions must be extern "C" and match their declaration in
ssl.h, which is unnamespaced. C++ really does not want you to
interleave namespaced and unnamespaced things. One can actually write
a namespaced extern "C" function, but this means, from C++'s
perspective, the function is namespaced. Trying to namespace the
public header would worked but ended up too deep a rabbithole.
- Our STACK_OF macros do not work right in namespaces.
- The typedefs for our exposed but opaque types are visible in the
header files and copied into consuming projects as forward
declarations. We ultimately want to give SSL a destructor, but
clobbering an unnamespaced ssl_st::~ssl_st seems bad manners.
- MSVC complains about ambiguous names if one typedefs SSL to bssl::SSL.
This CL opts for:
- ssl/*.cc must begin with #define BORINGSSL_INTERNAL_CXX_TYPES. This
informs the public headers to create forward declarations which are
compatible with our namespaces.
- For now, C++-defined type FOO ends up at bssl::FOO with a typedef
outside. Later I imagine we'll rename many of them.
- Internal functions get namespace bssl, so we stop worrying about
stomping the tls1_prf symbol. Exported C functions are stuck as they
are. Rather than try anything weird, bite the bullet and reorder files
which have a mix of public and private functions. I expect that over
time, the public functions will become fairly small as we move logic
to more idiomatic C++.
Files without any public C functions can just be written normally.
- To avoid MSVC troubles, some bssl types are renamed to CPlusPlusStyle
in advance of them being made idiomatic C++.
Bug: 132
Change-Id: Ic931895e117c38b14ff8d6e5a273e868796c7581
Reviewed-on: https://boringssl-review.googlesource.com/18124
Reviewed-by: David Benjamin <davidben@google.com>
This also serves as a certificate verification callback for
CRYPTO_BUFFER-based consumers. Remove the silly
SSL_CTX_i_promise_to_verify_certs_after_the_handshake placeholder.
Bug: 54, chromium:347402
Change-Id: I4c6b445cb9cd7204218acb2e5d1625e6f37aff6f
Reviewed-on: https://boringssl-review.googlesource.com/17964
Reviewed-by: David Benjamin <davidben@google.com>
