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author | wolfbeast <mcwerewolf@gmail.com> | 2018-02-24 00:43:43 +0100 |
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committer | wolfbeast <mcwerewolf@gmail.com> | 2018-02-24 00:43:43 +0100 |
commit | dc7ceccf8bc0950e4daa5f0e7736d4c204526fc0 (patch) | |
tree | c70154c611b0f03bdcba029f1c51c48e5f69eb36 /security/nss/cpputil/tls_parser.cc | |
parent | 6f93b00559c8fe5b8dfaf59fcbaac8f1e0dd3366 (diff) | |
parent | 788c588bf6f8907dc57b01cd1c86239215d3c661 (diff) | |
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Merge branch 'TLS-1.3'
Diffstat (limited to 'security/nss/cpputil/tls_parser.cc')
-rw-r--r-- | security/nss/cpputil/tls_parser.cc | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/security/nss/cpputil/tls_parser.cc b/security/nss/cpputil/tls_parser.cc new file mode 100644 index 000000000..e4c06aa91 --- /dev/null +++ b/security/nss/cpputil/tls_parser.cc @@ -0,0 +1,73 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "tls_parser.h" + +namespace nss_test { + +bool TlsParser::Read(uint8_t* val) { + if (remaining() < 1) { + return false; + } + *val = *ptr(); + consume(1); + return true; +} + +bool TlsParser::Read(uint32_t* val, size_t size) { + if (size > sizeof(uint32_t)) { + return false; + } + + uint32_t v = 0; + for (size_t i = 0; i < size; ++i) { + uint8_t tmp; + if (!Read(&tmp)) { + return false; + } + + v = (v << 8) | tmp; + } + + *val = v; + return true; +} + +bool TlsParser::Read(DataBuffer* val, size_t len) { + if (remaining() < len) { + return false; + } + + val->Assign(ptr(), len); + consume(len); + return true; +} + +bool TlsParser::ReadVariable(DataBuffer* val, size_t len_size) { + uint32_t len; + if (!Read(&len, len_size)) { + return false; + } + return Read(val, len); +} + +bool TlsParser::Skip(size_t len) { + if (len > remaining()) { + return false; + } + consume(len); + return true; +} + +bool TlsParser::SkipVariable(size_t len_size) { + uint32_t len; + if (!Read(&len, len_size)) { + return false; + } + return Skip(len); +} + +} // namespace nss_test |