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This change has no semantic effect (I hope!). It's just a reformatting
of a few files in ssl/. This is just a start – the other files in ssl/
should follow in the coming days.
Change-Id: I5eb3f4b18d0d46349d0f94d3fe5ab2003db5364e
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SSL3_ENC_METHOD will remain version-specific while SSL_METHOD will become
protocol-specific. This finally removes all the version-specific portions of
SSL_METHOD but the version tag itself.
(SSL3_ENC_METHOD's version-specific bits themselves can probably be handled by
tracking a canonicalized protocol version. It would simplify version
comparisons anyway. The one catch is SSLv3 has a very different table. But
that's a cleanup for future. Then again, perhaps a version-specific method
table swap somewhere will be useful later for TLS 1.3.)
Much of this commit was generated with sed invocation:
s/method->ssl3_enc/enc_method/g
Change-Id: I2b192507876aadd4f9310240687e562e56e6c0b1
Reviewed-on: https://boringssl-review.googlesource.com/2581
Reviewed-by: Adam Langley <agl@google.com>
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These may as well be replaced with assertions. Get them out of the way of the
initialization.
Change-Id: Ie4ab8bdc018e4a1def7d3f6b3b172a77896bfc0a
Reviewed-on: https://boringssl-review.googlesource.com/2563
Reviewed-by: Adam Langley <agl@google.com>
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It just inserts extra flushes everywhere and isn't used.
Change-Id: I082e4bada405611f4986ba852dd5575265854036
Reviewed-on: https://boringssl-review.googlesource.com/2456
Reviewed-by: Adam Langley <agl@google.com>
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It should be set correctly prior to entering the handshake. Don't mask bugs by
assigning it.
Change-Id: Ib9bca8fad68916b3b242aad8819e3760e59e777a
Reviewed-on: https://boringssl-review.googlesource.com/2443
Reviewed-by: Adam Langley <agl@google.com>
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first_packet is a temporary connection-global flag set for the duration of some
call and then queried from other code. This kind of logic is too difficult to
reason through. It also incorrectly treats renegotiate ClientHellos as
pre-version-negotiation records. This eliminates the need to query
enc_write_ctx (which wasn't EVP_AEAD-aware anyway).
Instead, take a leaf from Go TLS's book and add a have_version bit. This is
placed on s->s3 as it is connection state; s->s3 automatically gets reset on
SSL_clear while s doesn't.
This new flag will also be used to determine whether to do the V2ClientHello
sniff when the version-locked methods merge into SSLv23_method. It will also
replace needing to condition s->method against a dummy DTLS_ANY_VERSION value
to determine whether DTLS version negotiation has happened yet.
Change-Id: I5c8bc6258b182ba4ab175a48a84eab6d3a001333
Reviewed-on: https://boringssl-review.googlesource.com/2442
Reviewed-by: Adam Langley <agl@google.com>
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Supporting both schemes seems pointless. Now that s->server and s->state are
set appropriately late and get_ssl_method is gone, the only difference is that
the client/server ones have non-functional ssl_accept or ssl_connect hooks. We
can't lose the generic ones, so let's unify on that.
Note: this means a static linker will no longer drop the client or server
handshake code if unused by a consumer linking statically. However, Chromium
needs the server half anyway for DTLS and WebRTC, so that's probably a lost
cause. Android also exposes server APIs.
Change-Id: I290f5fb4ed558f59fadb5d1f84e9d9c405004c23
Reviewed-on: https://boringssl-review.googlesource.com/2440
Reviewed-by: Adam Langley <agl@google.com>
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It's redundant with s->server.
Change-Id: Idb4ca44618477b54f3be5f0630f0295f0708b0f4
Reviewed-on: https://boringssl-review.googlesource.com/2438
Reviewed-by: Adam Langley <agl@google.com>
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If the state is SSL_ST_BEFORE, the SSL* was just initialized. Otherwise, we
don't want to call SSL_clear. The one case I found where we do is if a
handshake message is received and someone sets
SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS. This is apparently intended for external
consumers to set, but I see no code in Google that does.
Which is fortunate because it'll trigger SSL_clear. This retains the BIOs but
drops all connection state, including the record. If the client just initiated
renego, that's the ClientHello that's lost. The connection then hangs: the now
reset SSL* wants a ClientHello (under the null cipher because that too's been
dropped) while the peer wants an encrypted ServerHello.
Change-Id: Iddb3e0bb86d39d98155b060f9273a0856f2d1409
Reviewed-on: https://boringssl-review.googlesource.com/2436
Reviewed-by: Adam Langley <agl@google.com>
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SSL_ST_BEFORE is never standalone. As of upstream's
413c4f45ed0508d2242638696b7665f499d68265, SSL_ST_BEFORE is only ever set paired
with SSL_ST_ACCEPT or SSL_ST_CONNECT.
Conversely, SSL_ST_OK is never paired with SSL_ST_ACCEPT or SSL_ST_CONNECT. As
far as I can tell, this combination has never been possible.
Change-Id: Ifbc8f147be821026cf59f3d5038f0dbad3b0a1d2
Reviewed-on: https://boringssl-review.googlesource.com/2433
Reviewed-by: Adam Langley <agl@google.com>
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It should already be assigned, as of upstream's
b31b04d951e9b65bde29657e1ae057b76f0f0a73. I believe these assignments are part
of the reason it used to appear to work. Replace them with assertions. So the
assertions are actually valid, check in SSL_connect / SSL_accept that they are
never called if the socket had been placed in the opposite state. (Or we'd be
in another place where it would have appeared to work with the handshake
functions fixing things afterwards.)
Now the only places handshake_func is set are in SSL_set_{connect,accept}_state
and the method switches.
Change-Id: Ib249212bf4aa889b94c35965a62ca06bdbcf52e1
Reviewed-on: https://boringssl-review.googlesource.com/2432
Reviewed-by: Adam Langley <agl@google.com>
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This is a bit of cleanup that probably should have been done at the same time
as 30ddb434bfb845356fbacb6b2bd51f8814c7043c.
For now, version negotiation is implemented with a method swap. It also
performs this swap on SSL_set_session, but this was neutered in
30ddb434bfb845356fbacb6b2bd51f8814c7043c. Rather than hackishly neuter it,
remove it outright. In addition, remove SSL_set_ssl_method. Now all method
swaps are internal: SSLv23_method switch to a version-specific method and
SSL_clear undoing it.
Note that this does change behavior: if an SSL* is created with one
version-specific method and we SSL_set_session to a session from a /different/
version, we would switch to the /other/ version-specific method. This is
extremely confusing, so it's unlikely anyone was actually expecting it.
Version-specific methods in general don't work well.
Change-Id: I72a5c1f321ca9aeb1b52ebe0317072950ba25092
Reviewed-on: https://boringssl-review.googlesource.com/2390
Reviewed-by: Adam Langley <agl@google.com>
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This commit fixes a number of crashes caused by malloc failures. They
were found using the -malloc-test=0 option to runner.go which runs tests
many times, causing a different allocation call to fail in each case.
(This test only works on Linux and only looks for crashes caused by
allocation failures, not memory leaks or other errors.)
This is not the complete set of crashes! More can be found by collecting
core dumps from running with -malloc-test=0.
Change-Id: Ia61d19f51e373bccb7bc604642c51e043a74bd83
Reviewed-on: https://boringssl-review.googlesource.com/2320
Reviewed-by: Adam Langley <agl@google.com>
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This is an experimental flag that dates back to SSLeay 0.8.1b or earlier. It's
never set internally and never set in consumers.
Change-Id: I922583635c9f3d8d93f08f1707531ad22a26ae6a
Reviewed-on: https://boringssl-review.googlesource.com/2214
Reviewed-by: Adam Langley <agl@google.com>
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Remove the old implementation which was excessively general. This mirrors the
SCT support and adds a single boolean flag to request an OCSP response with no
responder IDs, extensions, or frills. The response, if received, is stored on
the SSL_SESSION so that it is available for (re)validation on session
resumption; Chromium revalidates the saved auth parameters on resume.
Server support is unimplemented for now. This API will also need to be adjusted
in the future if we implement RFC 6961.
Change-Id: I533c029b7f7ea622d814d05f934fdace2da85cb1
Reviewed-on: https://boringssl-review.googlesource.com/1671
Reviewed-by: Adam Langley <agl@google.com>
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This replaces the special-case in ssl3_get_message for Channel ID. Also add
ssl3_hash_current_message to hash the current message, taking TLS vs DTLS
handshake header size into account.
One subtlety with this flag is that a message intended to be processed with
SSL_GET_MESSAGE_DONT_HASH_MESSAGE cannot follow an optional message
(reprocessed with reuse_message, etc.). There is an assertion to that effect.
If need be, we can loosen it to requiring that the preceeding optional message
also pass SSL_GET_MESSAGE_DONT_HASH_MESSAGE and then maintain some state to
perform the more accurate assertion, but this is sufficient for now.
Change-Id: If8c87342b291ac041a35885b9b5ee961aee86eab
Reviewed-on: https://boringssl-review.googlesource.com/1630
Reviewed-by: Adam Langley <agl@google.com>
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Make the get/send functions match.
ssl3_client_hello -> ssl3_send_client_hello.
ssl3_send_newsession_ticket -> ssl3_send_new_session_ticket.
ssl3_send_client_verify -> ssl3_send_cert_verify
Change-Id: Iea5579479b8a8f392167b8fb3b7e9fe961d0f007
Reviewed-on: https://boringssl-review.googlesource.com/1613
Reviewed-by: Adam Langley <agl@google.com>
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In the fixed_ecdh case, it wasn't even implemented, but there was stub code for
it. It complicates the ClientKeyExchange (the client parameters become implicit
in the certificate) and isn't used.
Change-Id: I3627a37042539c90e05e59cd0cb3cd6c56225561
Reviewed-on: https://boringssl-review.googlesource.com/1563
Reviewed-by: Adam Langley <agl@google.com>
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RFC 6347 changed the meaning of server_version in HelloVerifyRequest. It should
now always be 1.0 with version negotiation not happening until ServerHello. Fix
runner.go logic and remove #if-0'd code in dtls1_get_hello_verify.
Enforce this in the runner for when we get DTLS 1.2 tests.
Change-Id: Ice83628798a231df6bf268f66b4c47b14a519386
Reviewed-on: https://boringssl-review.googlesource.com/1552
Reviewed-by: Adam Langley <agl@google.com>
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Rather than switching the order of the ServerHello and HelloVerifyRequest
states and processing each twice, have the states follow the protocol order.
HelloVerifyRequest reading is optional and ServerHello is strict. Use the
send_cookie bit to determine whether we're expecting a cookie or not.
Fix the dtls1_stop_timer call in these states to consistently hit the end of a
server flight; the previous flight should not be cleared from the retransmit
buffer until the entire next flight is received. That said, OpenSSL doesn't
appear to implement the part where, on receipt of the previous peer flight, the
buffered flight is retransmitted. (With the exception of a SSL3_MT_FINISHED
special-case in dtls1_read_bytes.) So if the peer is also OpenSSL, this doesn't
do anything.
Also fix the DTLS test which wasn't actually asserting that the ClientHello
matched.
Change-Id: Ia542190972dbffabb837d32c9d453a243caa90b2
Reviewed-on: https://boringssl-review.googlesource.com/1551
Reviewed-by: Adam Langley <agl@google.com>
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I see no internal users and the existence of a THIRD version encoding
complicates all version-checking logic. Also convert another version check to
SSL_IS_DTLS that was missed earlier.
Change-Id: I60d215f57d44880f6e6877889307dc39dbf838f7
Reviewed-on: https://boringssl-review.googlesource.com/1550
Reviewed-by: Adam Langley <agl@google.com>
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Gives bounds checks and asserts that there's nothing after the cookie.
Change-Id: I8f9753e0c72670e9960f73a5722cefd9c02696a9
Reviewed-on: https://boringssl-review.googlesource.com/1507
Reviewed-by: Adam Langley <agl@google.com>
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Mirror the changes in s3_clnt.c.
Change-Id: I7af7080c6eea2a67cc994befa11e45d32eaa9615
Reviewed-on: https://boringssl-review.googlesource.com/1506
Reviewed-by: Adam Langley <agl@google.com>
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Analogous fix for DTLS as upstream's c519e89f5c359b8c0f747519773284d9b6382791.
Change-Id: I8a56070ce2a1edf4e9ceb2fd8ce08552e25a1cf3
Reviewed-on: https://boringssl-review.googlesource.com/1504
Reviewed-by: Adam Langley <agl@google.com>
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ssl3_get_new_session_ticket is sensible and fills in a session_id for stateless
sessions, so the resumption will already be detected at this point. Remove the
codepath in ssl3_client_hello which allows for resuming sessions with empty
session_ids. The rest of the code doesn't allow it either.
This removes another codepath where we potentially probe a Finished message
early.
Change-Id: I2749b5c65c7ce98c6f30566d8716360ff1bba24c
Reviewed-on: https://boringssl-review.googlesource.com/1295
Reviewed-by: Adam Langley <agl@google.com>
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Android never did this - they patched out the point in the code that set
the SSL3_FLAGS_DELAY_CLIENT_FINISHED flag when doing False Start.
Also, from the unittests it appears that NSS doesn't do this either.
Thus this change brings BoringSSL into line with existing behaviour.
SSL3_FLAGS_DELAY_CLIENT_FINISHED wasn't introduced with False Start,
it's an option in vanilla OpenSSL. But I can't find anything that uses
it and, since it's going to be untested, I've removed it completely in
this change.
Change-Id: I910537bfa35e74ab88778b83612cf5607d485969
Reviewed-on: https://boringssl-review.googlesource.com/1221
Reviewed-by: David Benjamin <davidben@chromium.org>
Reviewed-by: Adam Langley <agl@google.com>
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More consistent with ssl3_send_server_key_exchange and the message name.
Change-Id: If0f435a89bdf117297d349099708fff0bd5a6e98
Reviewed-on: https://boringssl-review.googlesource.com/1170
Reviewed-by: Adam Langley <agl@google.com>
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It's current a void* and gets explicitly cast everywhere. Make it a uint8_t and
only add the casts when converting it come init_buf, which internally stores a
char*.
Change-Id: I28bed129e46ed37ee1ce378d5c3bd0738fc1177f
Reviewed-on: https://boringssl-review.googlesource.com/1163
Reviewed-by: Adam Langley <agl@google.com>
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Mostly done with unifdef.
Change-Id: I876f79f9e96d77628d696b09694363d07aee6b74
Reviewed-on: https://boringssl-review.googlesource.com/1096
Reviewed-by: Adam Langley <agl@google.com>
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Change-Id: I0273a31e49c5367b89b9899553e3ebe13ec50687
Reviewed-on: https://boringssl-review.googlesource.com/1050
Reviewed-by: Adam Langley <agl@google.com>
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Change-Id: I721914594fc92a66d95c7ec2088f13b68e964103
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Initial fork from f2d678e6e89b6508147086610e985d4e8416e867 (1.0.2 beta).
(This change contains substantial changes from the original and
effectively starts a new history.)
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