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789cb376fd
This also installs symlinks from "zeek" and "bro-config" to a wrapper script that prints a deprecation warning. The btests pass, but this is still WIP. broctl renaming is still missing. #239
117 lines
2.7 KiB
C++
117 lines
2.7 KiB
C++
#include <string>
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using std::string;
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#include "zeek-config.h"
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#include "RuleAction.h"
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#include "RuleMatcher.h"
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#include "Conn.h"
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#include "Event.h"
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#include "NetVar.h"
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#include "analyzer/protocol/pia/PIA.h"
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#include "analyzer/Manager.h"
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void RuleActionEvent::DoAction(const Rule* parent, RuleEndpointState* state,
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const u_char* data, int len)
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{
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if ( signature_match )
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{
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mgr.QueueEventFast(signature_match, {
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rule_matcher->BuildRuleStateValue(parent, state),
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new StringVal(msg),
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data ? new StringVal(len, (const char*)data) : val_mgr->GetEmptyString(),
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});
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}
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}
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void RuleActionEvent::PrintDebug()
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{
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fprintf(stderr, " RuleActionEvent: |%s|\n", msg);
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}
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void RuleActionMIME::PrintDebug()
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{
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fprintf(stderr, " RuleActionMIME: |%s|\n", mime);
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}
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RuleActionAnalyzer::RuleActionAnalyzer(const char* arg_analyzer)
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{
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string str(arg_analyzer);
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string::size_type pos = str.find(':');
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string arg = str.substr(0, pos);
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analyzer = analyzer_mgr->GetComponentTag(arg.c_str());
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if ( ! analyzer )
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reporter->Warning("unknown analyzer '%s' specified in rule", arg.c_str());
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if ( pos != string::npos )
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{
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arg = str.substr(pos + 1);
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child_analyzer = analyzer_mgr->GetComponentTag(arg.c_str());
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if ( ! child_analyzer )
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reporter->Warning("unknown analyzer '%s' specified in rule", arg.c_str());
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}
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else
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child_analyzer = analyzer::Tag();
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}
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void RuleActionAnalyzer::PrintDebug()
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{
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if ( ! child_analyzer )
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fprintf(stderr, "|%s|\n", analyzer_mgr->GetComponentName(analyzer).c_str());
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else
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fprintf(stderr, "|%s:%s|\n",
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analyzer_mgr->GetComponentName(analyzer).c_str(),
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analyzer_mgr->GetComponentName(child_analyzer).c_str());
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}
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void RuleActionEnable::DoAction(const Rule* parent, RuleEndpointState* state,
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const u_char* data, int len)
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{
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if ( ! ChildAnalyzer() )
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{
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if ( ! analyzer_mgr->IsEnabled(Analyzer()) )
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return;
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if ( state->PIA() )
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state->PIA()->ActivateAnalyzer(Analyzer(), parent);
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}
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else
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{
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if ( ! analyzer_mgr->IsEnabled(ChildAnalyzer()) )
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return;
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// This is ugly and works only if there exists only one
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// analyzer of each type.
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state->PIA()->AsAnalyzer()->Conn()->FindAnalyzer(Analyzer())
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->AddChildAnalyzer(ChildAnalyzer());
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}
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}
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void RuleActionEnable::PrintDebug()
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{
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fprintf(stderr, " RuleActionEnable: ");
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RuleActionAnalyzer::PrintDebug();
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}
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void RuleActionDisable::DoAction(const Rule* parent, RuleEndpointState* state,
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const u_char* data, int len)
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{
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if ( ! ChildAnalyzer() )
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{
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if ( state->PIA() )
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state->PIA()->DeactivateAnalyzer(Analyzer());
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}
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else
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state->GetAnalyzer()->AddChildAnalyzer(
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state->GetAnalyzer()->FindChild(ChildAnalyzer()));
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}
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void RuleActionDisable::PrintDebug()
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{
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fprintf(stderr, " RuleActionDisable: ");
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RuleActionAnalyzer::PrintDebug();
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}
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