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Commit 4bf9616

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Adding multithreaded example from issue #3054 (by airween)
- Rewritten to use C++ libModSecurity API and std::thread (instead of pthreads)
1 parent 293cd21 commit 4bf9616

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‎.gitignore‎

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@@ -50,6 +50,7 @@ ltmain.sh
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examples/simple_example_using_c/test
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/tools/rules-check/modsec-rules-check
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examples/multiprocess_c/multi
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examples/multithread/multithread
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examples/reading_logs_via_rule_message/simple_request
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examples/reading_logs_with_offset/read
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examples/using_bodies_in_chunks/simple_request

‎build/win32/CMakeLists.txt‎

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@@ -259,6 +259,10 @@ setExampleTargetProperties(reading_logs_via_rule_message)
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add_executable(reading_logs_with_offset ${BASE_DIR}/examples/reading_logs_with_offset/read.cc)
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setExampleTargetProperties(reading_logs_with_offset)
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# multithread
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add_executable(multithread ${BASE_DIR}/examples/multithread/multithread.cc)
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setExampleTargetProperties(multithread)
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# tools
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#
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‎build/win32/README.md‎

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@@ -51,6 +51,7 @@ Built files will be located in the directory: `build\win32\build\[build_configur
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* `using_bodies_in_chunks.exe`
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* `reading_logs_via_rule_message.exe`
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* `reading_logs_with_offset.exe`
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* `multithread.exe`
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* Executable files for tools
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* `rules_check.exe`
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‎configure.ac‎

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@@ -423,6 +423,7 @@ AM_COND_IF([EXAMPLES],
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examples/Makefile \
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examples/simple_example_using_c/Makefile \
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examples/multiprocess_c/Makefile \
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examples/multithread/Makefile \
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examples/reading_logs_with_offset/Makefile \
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examples/reading_logs_via_rule_message/Makefile \
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examples/using_bodies_in_chunks/Makefile \

‎examples/Makefile.am‎

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@@ -4,6 +4,7 @@ ACLOCAL_AMFLAGS = -I build
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SUBDIRS = \
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multiprocess_c \
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multithread \
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reading_logs_with_offset \
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reading_logs_via_rule_message \
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simple_example_using_c \

‎examples/multithread/Makefile.am‎

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noinst_PROGRAMS = multithread
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multithread_SOURCES = \
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multithread.cc
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multithread_LDADD = \
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$(CURL_LDADD) \
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$(GEOIP_LDADD) \
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$(GLOBAL_LDADD) \
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$(LIBXML2_LDADD) \
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$(LMDB_LDADD) \
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$(MAXMIND_LDADD) \
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$(LUA_LDADD) \
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$(PCRE_LDADD) \
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$(SSDEEP_LDADD) \
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$(YAJL_LDADD)
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multithread_LDFLAGS = \
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-L$(top_builddir)/src/.libs/ \
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$(GEOIP_LDFLAGS) \
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-lmodsecurity \
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-lm \
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-lstdc++ \
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$(LMDB_LDFLAGS) \
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$(LUA_LDFLAGS) \
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$(MAXMIND_LDFLAGS) \
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$(SSDEEP_LDFLAGS) \
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$(YAJL_LDFLAGS)
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multithread_CPPFLAGS = \
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$(GLOBAL_CFLAGS) \
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-I$(top_builddir)/headers \
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-I$(top_builddir) \
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-g \
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-I../others \
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-fPIC \
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-O3 \
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$(CURL_CFLAGS) \
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$(GEOIP_CFLAGS) \
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$(GLOBAL_CPPFLAGS) \
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$(MODSEC_NO_LOGS) \
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$(YAJL_CFLAGS) \
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$(LMDB_CFLAGS) \
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$(LUA_CFLAGS) \
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$(PCRE_CFLAGS) \
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$(LIBXML2_CFLAGS)
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MAINTAINERCLEANFILES = \
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Makefile.in
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SecDebugLog debug.log
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SecDebugLogLevel 9
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SecRule REQUEST_HEADERS:User-Agent ".*" "id:1,phase:1,t:sha1,t:hexEncode,setvar:tx.ua_hash=%{MATCHED_VAR}"
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SecAction "id:2,phase:2,initcol:ip=%{REMOTE_ADDR}_%{tx.ua_hash}"
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SecRule REQUEST_HEADERS:User-Agent "@rx .*" "id:3,phase:2,setvar:ip.auth_attempt=+1"
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SecRule ARGS:foo "@rx herewego" "id:4,phase:2,setvar:ip.foo=bar,expirevar:ip.foo=2"
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#SecRule ARGS:foo "@rx herewego" "id:4,phase:2,setvar:ip.foo=bar"
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SecRule IP "@rx bar" "id:5,phase:2,pass"
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SecRule IP:auth_attempt "@rx bar" "id:6,phase:2,pass"

‎examples/multithread/multithread.cc‎

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#include <iostream>
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#include <thread>
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#include <array>
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#include <modsecurity/modsecurity.h>
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#include <modsecurity/transaction.h>
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#include <modsecurity/rules_set.h>
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static void process_request(modsecurity::ModSecurity *modsec, modsecurity::RulesSet *rules, int tid) {
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std::cout << "Hello World! It's me, thread #" << tid << std::endl;
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for(int i = 0; i != 1'000; i++) {
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auto modsecTransaction = std::make_unique<modsecurity::Transaction>(modsec, rules, nullptr);
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modsecTransaction->processConnection("127.0.0.1", 12345, "127.0.0.1", 80);
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modsecTransaction->processURI(
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"https://www.modsecurity.org/test?foo=herewego",
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"GET", "1.1");
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modsecTransaction->addRequestHeader("User-Agent",
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"Basic ModSecurity example");
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modsecTransaction->processRequestHeaders();
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modsecTransaction->processRequestBody();
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modsecTransaction->addResponseHeader("HTTP/1.1",
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"200 OK");
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modsecTransaction->processResponseHeaders(200, "HTTP 1.2");
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modsecTransaction->processResponseBody();
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modsecTransaction->processLogging();
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std::this_thread::sleep_for(std::chrono::microseconds(100));
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}
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std::cout << "Thread #" << tid << " exits" << std::endl;
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}
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int main (int argc, char *argv[]) {
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auto modsec = std::make_unique<modsecurity::ModSecurity>();
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modsec->setConnectorInformation("ModSecurity-test v0.0.1-alpha (Simple " \
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"example on how to use ModSecurity API");
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char main_rule_uri[] = "basic_rules.conf";
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auto rules = std::make_unique<modsecurity::RulesSet>();
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if (rules->loadFromUri(main_rule_uri) < 0) {
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std::cerr << "Problems loading the rules..." << std::endl;
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std::cerr << rules->m_parserError.str() << std::endl;
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return -1;
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}
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constexpr auto NUM_THREADS = 100;
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std::array<std::thread, NUM_THREADS> threads;
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for (auto i = 0; i != threads.size(); ++i) {
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threads[i] = std::thread(
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[&modsec, &rules, i]() {
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process_request(modsec.get(), rules.get(), i);
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});
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}
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std::this_thread::sleep_for(std::chrono::microseconds(10000));
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for (auto i = 0; i != threads.size(); ++i) {
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threads[i].join();
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}
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return 0;
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}

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