1b22f85a56
This shouldn't happen, but it is good to check to avoid the potential underflow in ssl_session_is_time_valid. This required tweaking the mock clock in bssl_shim to stop going back in time. Change-Id: Id3ab8755139e989190d0b53d4bf90fe1ac203022 Reviewed-on: https://boringssl-review.googlesource.com/11841 Reviewed-by: David Benjamin <davidben@google.com>
47 lines
1.8 KiB
C
47 lines
1.8 KiB
C
/* Copyright (c) 2014, Google Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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#ifndef HEADER_PACKETED_BIO
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#define HEADER_PACKETED_BIO
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#include <openssl/base.h>
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#include <openssl/bio.h>
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#if defined(OPENSSL_WINDOWS)
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OPENSSL_MSVC_PRAGMA(warning(push, 3))
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#include <winsock2.h>
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OPENSSL_MSVC_PRAGMA(warning(pop))
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#else
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#include <sys/time.h>
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#endif
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// PacketedBioCreate creates a filter BIO which implements a reliable in-order
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// blocking datagram socket. It uses the value of |*clock| as the clock and
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// honors |BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT| based on it.
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//
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// During a |BIO_read|, the peer may signal the filter BIO to simulate a
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// timeout. If |advance_clock| is true, it automatically advances the clock and
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// continues reading, subject to the read deadline. Otherwise, it fails
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// immediately. The caller must then call |PacketedBioAdvanceClock| before
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// retrying |BIO_read|.
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bssl::UniquePtr<BIO> PacketedBioCreate(timeval *clock, bool advance_clock);
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// PacketedBioAdvanceClock advances |bio|'s clock and returns true if there is a
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// pending timeout. Otherwise, it returns false.
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bool PacketedBioAdvanceClock(BIO *bio);
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#endif // HEADER_PACKETED_BIO
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