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78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
/*
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* Copyright (c) 2014, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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*/
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#include <vector>
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#include <string>
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#include <boost/algorithm/string/join.hpp>
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#include <boost/algorithm/string/predicate.hpp>
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#include <osquery/core.h>
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#include <osquery/logger.h>
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#include <osquery/tables.h>
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#include <osquery/filesystem.h>
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namespace osquery {
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namespace tables {
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QueryData parseEtcProtocolsContent(const std::string& content) {
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QueryData results;
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for (const auto& line : split(content, "\n")) {
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// Empty line or comment.
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if (line.size() == 0 || boost::starts_with(line, "#")) {
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continue;
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}
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// [0]: name protocol_number alias
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// [1]: [comment part1]
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// [2]: [comment part2]
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// [n]: [comment partn]
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auto protocol_comment = split(line, "#");
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// [0]: name
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// [1]: protocol_number
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// [2]: alias
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auto protocol_fields = split(protocol_comment[0]);
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if (protocol_fields.size() < 2) {
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continue;
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}
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Row r;
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r["name"] = TEXT(protocol_fields[0]);
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r["number"] = INTEGER(protocol_fields[1]);
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if (protocol_fields.size() > 2) {
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r["alias"] = TEXT(protocol_fields[2]);
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}
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// If there is a comment for the service.
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if (protocol_comment.size() > 1) {
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// Removes everything except the comment (parts of the comment).
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protocol_comment.erase(protocol_comment.begin(), protocol_comment.begin() + 1);
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r["comment"] = TEXT(boost::algorithm::join(protocol_comment, " # "));
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}
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results.push_back(r);
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}
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return results;
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}
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QueryData genEtcProtocols(QueryContext& context) {
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std::string content;
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auto s = osquery::readFile("/etc/protocols", content);
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if (s.ok()) {
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return parseEtcProtocolsContent(content);
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} else {
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TLOG << "Error reading /etc/protocols: " << s.toString();
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return {};
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}
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}
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}
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}
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