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https://github.com/zeek/zeek.git
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9642feeaf2
Also changes `zeek-config --include_dir` to now output `$prefix/include:$prefix/include/zeek` instead of only `$prefix/include/zeek`
87 lines
2 KiB
C++
87 lines
2 KiB
C++
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#include "Plugin.h"
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#include <zeek/Val.h>
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#include <zeek/Func.h>
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#include <zeek/Event.h>
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#include <zeek/Conn.h>
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#include <zeek/Desc.h>
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#include <zeek/threading/Formatter.h>
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namespace plugin { namespace Demo_Hooks { Plugin plugin; } }
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using namespace plugin::Demo_Hooks;
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plugin::Configuration Plugin::Configure()
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{
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EnableHook(HOOK_CALL_FUNCTION);
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EnableHook(META_HOOK_PRE);
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EnableHook(META_HOOK_POST);
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plugin::Configuration config;
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config.name = "Demo::Hooks";
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config.description = "Exercises all plugin hooks";
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config.version.major = 1;
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config.version.minor = 0;
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config.version.patch = 0;
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return config;
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}
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static void describe_hook_args(const plugin::HookArgumentList& args, ODesc* d)
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{
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bool first = true;
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for ( plugin::HookArgumentList::const_iterator i = args.begin(); i != args.end(); i++ )
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{
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if ( ! first )
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d->Add(", ");
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i->Describe(d);
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first = false;
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}
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}
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std::pair<bool, zeek::IntrusivePtr<Val>> Plugin::HookFunctionCall(
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const Func* func, Frame* frame, zeek::Args* args)
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{
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ODesc d;
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d.SetShort();
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HookArgument(func).Describe(&d);
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HookArgument(args).Describe(&d);
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fprintf(stderr, "%.6f %-15s %s\n", network_time, "| HookFunctionCall",
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d.Description());
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if ( streq(func->Name(), "foo") )
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{
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auto& vl = *args;
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vl[0] = val_mgr->Count(42);
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}
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return {};
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}
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void Plugin::MetaHookPre(zeek::plugin::HookType hook, const zeek::plugin::HookArgumentList& args)
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{
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ODesc d;
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d.SetShort();
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describe_hook_args(args, &d);
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fprintf(stderr, "%.6f %-15s %s(%s)\n", network_time, " MetaHookPre",
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hook_name(hook), d.Description());
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}
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void Plugin::MetaHookPost(zeek::plugin::HookType hook,
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const zeek::plugin::HookArgumentList& args,
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zeek::plugin::HookArgument result)
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{
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ODesc d1;
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d1.SetShort();
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describe_hook_args(args, &d1);
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ODesc d2;
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d2.SetShort();
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result.Describe(&d2);
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fprintf(stderr, "%.6f %-15s %s(%s) -> %s\n", network_time, " MetaHookPost",
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hook_name(hook), d1.Description(),
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d2.Description());
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}
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