92ea95e34a
In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC from src/webrtc to src/ (in order to preserve an healthy git history). This CL takes care of fixing header guards, #include paths, etc... NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true TBR=tommi@webrtc.org Bug: chromium:611808 Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578 Reviewed-on: https://webrtc-review.googlesource.com/1561 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19846}
51 lines
2.0 KiB
C++
51 lines
2.0 KiB
C++
/*
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* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <bitset>
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#include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
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#include "modules/rtp_rtcp/source/rtp_packet_received.h"
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#include "modules/rtp_rtcp/source/rtp_utility.h"
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namespace webrtc {
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// We decide which header extensions to register by reading two bytes
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// from the beginning of |data| and interpreting it as a bitmask over
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// the RTPExtensionType enum. This assert ensures two bytes are enough.
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static_assert(kRtpExtensionNumberOfExtensions <= 16,
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"Insufficient bits read to configure all header extensions. Add "
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"an extra byte and update the switches.");
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void FuzzOneInput(const uint8_t* data, size_t size) {
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if (size <= 2)
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return;
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// Don't use the configuration byte as part of the packet.
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std::bitset<16> extensionMask(*reinterpret_cast<const uint16_t*>(data));
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data += 2;
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size -= 2;
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RtpPacketReceived::ExtensionManager extensions;
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// Skip i = 0 since it maps to ExtensionNone and extension id = 0 is invalid.
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for (int i = 0; i < kRtpExtensionNumberOfExtensions; i++) {
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RTPExtensionType extension_type = static_cast<RTPExtensionType>(i);
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if (extensionMask[i] && extension_type != kRtpExtensionNone) {
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// Extensions are registered with an ID, which you signal to the
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// peer so they know what to expect. This code only cares about
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// parsing so the value of the ID isn't relevant; we use i.
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extensions.RegisterByType(i, extension_type);
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}
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}
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RTPHeader rtp_header;
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RtpUtility::RtpHeaderParser rtp_parser(data, size);
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rtp_parser.Parse(&rtp_header, &extensions);
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}
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} // namespace webrtc
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