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https://github.com/falcosecurity/falco.git
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f547dc97ab
Move the c++ and lua code implementing falco engine/falco common to its own directory userspace/engine. It's compiled as a static library libfalco_engine.a, and has its own CMakeLists.txt so it can be included by other projects. The engine's CMakeLists.txt has a add_subdirectory for the falco rules directory, so including the engine also builds the rules. The variables you need to set to use the engine's CMakeLists.txt are: - CMAKE_INSTALL_PREFIX: the root directory below which everything is installed. - FALCO_ETC_DIR: where to install the rules file. - FALCO_SHARE_DIR: where to install lua code, relative to the - install/package root. - LUAJIT_INCLUDE: where to find header files for lua. - FALCO_SINSP_LIBRARY: the library containing sinsp code. It will be - considered a dependency of the engine. - LPEG_LIB/LYAML_LIB/LIBYAML_LIB: locations for third-party libraries. - FALCO_COMPONENT: if set, will be included as a part of any install() commands. Instead of specifying /usr/share/falco in config_falco_*.h.in, use CMAKE_INSTALL_PREFIX and FALCO_SHARE_DIR. The lua code for the engine has also moved, so the two lua source directories (userspace/engine/lua and userspace/falco/lua) need to be available separately via falco_common, so make it an argument to falco_common::init. As a part of making it easy to include in another project, also clean up LPEG build/defs. Modify build-lpeg to add a PREFIX argument to allow for object files/libraries being in an alternate location, and when building lpeg, put object files in a build/ subdirectory.
36 lines
787 B
C++
36 lines
787 B
C++
#pragma once
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#include <list>
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#include "sinsp.h"
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#include "lua_parser.h"
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class falco_engine;
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class falco_rules
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{
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public:
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falco_rules(sinsp* inspector, falco_engine *engine, lua_State *ls);
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~falco_rules();
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void load_rules(const string &rules_content, bool verbose, bool all_events);
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void describe_rule(string *rule);
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static void init(lua_State *ls);
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static int add_filter(lua_State *ls);
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private:
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void add_filter(string &rule, list<uint32_t> &evttypes);
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lua_parser* m_lua_parser;
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sinsp* m_inspector;
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falco_engine *m_engine;
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lua_State* m_ls;
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string m_lua_load_rules = "load_rules";
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string m_lua_ignored_syscalls = "ignored_syscalls";
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string m_lua_ignored_events = "ignored_events";
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string m_lua_events = "events";
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string m_lua_describe_rule = "describe_rule";
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};
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