mirror of
https://github.com/openappsec/openappsec.git
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81 lines
2.2 KiB
C++
Executable File
81 lines
2.2 KiB
C++
Executable File
// Copyright (C) 2022 Check Point Software Technologies Ltd. All rights reserved.
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// Licensed under the Apache License, Version 2.0 (the "License");
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "ParserRaw.h"
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#include "debug.h"
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USE_DEBUG_FLAG(D_WAAP_PARSER_RAW);
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const std::string ParserRaw::m_parserName = "ParserRaw";
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ParserRaw::ParserRaw(IParserStreamReceiver &receiver, const std::string &key)
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:m_receiver(receiver), m_key(key), m_state(s_start) {
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}
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ParserRaw::~ParserRaw() {
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}
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size_t ParserRaw::push(const char *buf, size_t len) {
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dbgTrace(D_WAAP_PARSER_RAW) << "ParserRaw::push(): (len=" << (unsigned long int)len << ")";
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if (len == 0) {
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dbgTrace(D_WAAP_PARSER_RAW) << "ParserRaw::push(): end of data signal! m_state=" << m_state;
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// flush unescaped data collected (if any)
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if (m_state != s_start) { // only emit if at least something was pushed
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if (m_receiver.onKvDone() != 0) {
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m_state = s_error;
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}
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}
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return 0;
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}
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switch (m_state) {
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case s_start:
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dbgTrace(D_WAAP_PARSER_RAW) << "ParserRaw::push(): s_start";
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if (m_receiver.onKey(m_key.data(), m_key.size()) != 0) {
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m_state = s_error;
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return 0;
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}
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m_state = s_forward;
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// fallthrough //
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CP_FALL_THROUGH;
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case s_forward:
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dbgTrace(D_WAAP_PARSER_RAW) << "ParserRaw::push(): s_forward";
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if (m_receiver.onValue(buf, len) != 0) {
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m_state = s_error;
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}
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break;
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case s_error:
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dbgTrace(D_WAAP_PARSER_RAW) << "ParserRaw::push(): s_error";
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return 0;
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}
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return len;
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}
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void ParserRaw::finish() {
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push(NULL, 0);
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}
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const std::string &
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ParserRaw::name() const {
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return m_parserName;
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}
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bool ParserRaw::error() const {
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return m_state == s_error;
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}
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