This reverts commits 5a6e616961 and
e8509090cf. I'm going to unify how the
chains are kept in memory between client and server first otherwise the
mess just keeps growing.
Change-Id: I76df0d94c9053b2454821d22a3c97951b6419831
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Change-Id: Ie947ab176d10feb709c6e135d5241c6cf605b8e8
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This currently only works for certificates parsed from the network, but
if making several connections that share certificates, some KB of memory
might be saved.
Change-Id: I0ea4589d7a8b5c41df225ad7f282b6d1376a8db4
Reviewed-on: https://boringssl-review.googlesource.com/12164
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This change adds a STACK_OF(CRYPTO_BUFFER) to an SSL_SESSION which
contains the raw form of the received certificates. The X509-based
members still exist, but their |enc| buffer will alias the
CRYPTO_BUFFERs.
The serialisation format of SSL_SESSIONs is also changed, in a backwards
compatible way. Previously, some sessions would duplicate the leaf
certificate in the certificate chain. These sessions can still be read,
but will be written in a way incompatible with older versions of the
code. This should be fine because the situation where multiple versions
exchange serialised sessions is at the server, and the server doesn't
duplicate the leaf certifiate in the chain anyway.
Change-Id: Id3b75d24f1745795315cb7f8089a4ee4263fa938
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A recent change to curl[1] added support for HTTPS proxies, which
involves running a TLS connection inside another TLS connection. This
was done by using SSL BIOs, which we removed from BoringSSL for being
crazy.
This change adds a stripped-down version of the SSL BIO to decrepit in
order to suport curl.
[1] cb4e2be7c6
Change-Id: I9cb8f2db5b28a5a70724f6f93544297c380ac124
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Right now the only way to set an OCSP response is SSL_CTX_set_ocsp_response
however this assumes that all the SSLs generated from a SSL_CTX share the
same OCSP response, which is wrong.
This is similar to the OpenSSL "function" SSL_get_tlsext_status_ocsp_resp,
the main difference being that this doesn't take ownership of the OCSP buffer.
In order to avoid memory duplication in case SSL_CTX has its own response,
a CRYPTO_BUFFER is used for both SSL_CTX and SSL.
Change-Id: I3a0697f82b805ac42a22be9b6bb596aa0b530025
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All callers were long since updated.
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Prior to 87eab4902d, due to some
confusions between configuration and connection state, SSL_clear had the
side effect of offering the previously established session on the new
connection.
wpa_supplicant relies on this behavior, so restore it for TLS 1.2 and
below and add a test. (This behavior is largely incompatible with TLS
1.3's post-handshake tickets, so it won't work in 1.3. It'll act as if
we configured an unresumable session instead.)
Change-Id: Iaee8c0afc1cb65c0ab7397435602732b901b1c2d
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size_t at the public API, uint8_t on the SSL structs since everything
fits in there comfortably.
Change-Id: I837c3b21e04e03dfb957c1a3e6770300d0b49c0b
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It is impossible to have an SSL* without a corresponding method.
Change-Id: Icaf826a06aaaa2c7caf98b1e4a950f9c1d48e6bd
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There is no need to retain it beyond this point.
Change-Id: Ib5722ab30fc013380198b1582d1240f0fe0aa770
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These too have no reason to be called across files.
Change-Id: Iee477e71f956c2fa0d8817bf2777cb3a81e1c853
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s3_lib.c is nearly gone. ssl_get_cipher_preferences will fall away once
we remove the version-specific cipher lists. ssl_get_algorithm_prf and
the PRF stuff in general needs some revising (it was the motivation for
all the SSL_HANDSHAKE business). I've left ssl3_new / ssl3_free alone
for now because we don't have a good separation between common TLS/DTLS
connection state and state internal to the TLS SSL_PROTOCOL_METHOD.
Leaving that alone for now as there's lower-hanging fruit.
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d2i_X509 will free an existing |X509*| on parse failure. Thus
|X509_parse_from_buffer| would double-free the result on error.
Change-Id: If2bca2f1e1895bc426079f6ade4b82008707888d
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This was useful when we were transitioning NPN off in Chromium, but now
there are no callers remaining.
Change-Id: Ic619613d6d475eea6bc258c4a90148f129ea4a81
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Change-Id: I6514d68435ac4b7e2c638c7612b57bde5886bbba
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We've taken to writing bssl::UniquePtr in full, so it's not buying
us much.
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This was only used by Chromium and was since replaced with a custom BIO.
Though it meant a new ring buffer implementation, custom BIOs seem a
better solution for folks who wish to do particularly complicated
things, until the new SSL API is available. External-buffer BIO pairs
were effectively a really confusing and leaky abstraction over a ring
buffer anyway.
Change-Id: I0e201317ff87cdccb17b2f8c260ee5bb06c74771
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This allows a consumer to disable Channel ID (for instance, it may be
enabled on the SSL_CTX and later disabled on the SSL) without reaching
into the SSL struct directly.
Deprecate the old APIs in favor of these.
BUG=6
Change-Id: I193bf94bc1f537e1a81602a39fc2b9a73f44c73b
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This is an API which we added, so only first-party code could be
conditioning on it.
Change-Id: I08217fcae47585b22142df05622e31b6dfb6e4d6
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Each of these functions is called only once, but they're interspersed
between s3_lib.c and ssl_lib.c.
Change-Id: Ic496e364b091fc8e01fc0653fe73c83c47f690d9
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It's our ClientHello representation. May as well name it accordingly.
Also switch away from calling the variable name ctx as that conflicts
with SSL_CTX.
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The various key schedule cleanups have removed the need for this enum.
Change-Id: I3269aa19b834815926ad56b2d919e21b5e2603fe
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AES-GCM-SIV is an AEAD with nonce-misuse resistance. It can reuse
hardware support for AES-GCM and thus encrypt at ~66% the speed, and
decrypt at 100% the speed, of AES-GCM.
See https://tools.ietf.org/html/draft-irtf-cfrg-gcmsiv-02
This implementation is generic, not optimised, and reuses existing AES
and GHASH support as much as possible. It is guarded by !OPENSSL_SMALL,
at least for now.
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Change-Id: I1e28ba84de59336cab432d1db3dd9c6023909081
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Change-Id: Ie46d45cdb07c692a789594e13040a1ce9d6cf83d
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The remaining direct accesses are in functions which expect to be called
in and out of the handshake. Accordingly, they are NULL-checked.
Change-Id: I07a7de6bdca7b6f8d09e22da11b8863ebf41389a
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Change-Id: I84a8ff1d717f3291403f6fc49668c84f89b910da
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Change-Id: I5ef0fe5cc3ae0d5029ae41db36e66d22d76f6158
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Change-Id: Id8543a88929091eb004a5205a30b483253cdaa25
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This removes all explicit ssl->s3->hs access in those files.
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This takes care of many of the explicit ssl->s3->hs accesses.
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This change will cause getrandom to be used in preference to
/dev/urandom when supported by the kernel.
This will also cause BoringSSL-using processes to block until the
entropy pool is initialised on systems that support getrandom(2).
Change-Id: I2d3a17891502c85884c77138ef0f3a719d7ecfe6
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This cuts down on a lot of unchecked ssl->s3->hs accesses. Next is
probably the mass of extensions callbacks, and then we can play
whack-a-mole with git grep.
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We currently look up SSL_HANDSHAKE off of ssl->s3->hs everywhere, but
this is a little dangerous. Unlike ssl->s3->tmp, ssl->s3->hs may not be
present. Right now we just know not to call some functions outside the
handshake.
Instead, code which expects to only be called during a handshake should
take an explicit SSL_HANDSHAKE * parameter and can assume it non-NULL.
This replaces the SSL * parameter. Instead, that is looked up from
hs->ssl.
Code which is called in both cases, reads from ssl->s3->hs. Ultimately,
we should get to the point that all direct access of ssl->s3->hs needs
to be NULL-checked.
As a start, manage the lifetime of the ssl->s3->hs in SSL_do_handshake.
This allows the top-level handshake_func hooks to be passed in the
SSL_HANDSHAKE *. Later work will route it through the stack. False Start
is a little wonky, but I think this is cleaner overall.
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There only needs to be a single place where we do the generic
initialisation. All the processor-specific implementations can just
return early.
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Previously, gcm.c contained a lot of workarounds for cases where BSWAP8
wasn't defined. Rather than handle this in each place, just make it
always available.
While we're here, make these macros inline functions instead and rename
them to something less likely to collide.
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finishedHash should keep a running secret and incorporate entropy as is
available.
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I missed this one.
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CRYPTO_ghash_init exposes the (often hardware accelerated) internals for
evaluating GHASH. These can be used for evaluating POLYVAL[1] on
platforms where we don't have dedicated code for it.
[1] https://tools.ietf.org/html/draft-irtf-cfrg-gcmsiv-02#section-3
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The key is only needed during initialisation because after that point it
is implicit in the table of powers. So no need to keep it around. There
was a non-specific “haunted house” comment about not changing this, but
I've successfully tested with all the assembly versions so I think that
comment is no longer true.
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The GCM code has lots of cases of big-endian support left over from
OpenSSL. Since we don't support big-endian systems, drop that code.
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This should shave 20% (40 seconds) off our Windows cycle times, going by
the graphs. It's 15% off our Linux ones, but that 15% is only 11
seconds.
Change-Id: I077c3924c722d597f66fc6dec72932ed0c81660a
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bot_update does a git clean -dff before each run, so we were
redownloading all the utilities on each run. This should make the bots
only download them when the change. (Chromium's setup is similar.)
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MSVC, on 32-bit systems, defines sizeof(long)=4 which means that a
uint32_t could end up negative when passed to |ASN1_INTEGER_set| on
Windows.
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