Mirror/zeek
1
0
Fork 0
mirror of https://github.com/zeek/zeek.git synced 2025-10-02 22:58:20 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

Revert "Move BinPAC, bifcl, af_packet, and gen_zam submodules into main zeek repo"

Browse source
This commit is contained in:
Tim Wojtulewicz 2025-08-15 15:11:22 -07:00 • committed by GitHub
parent a10a70994e
commit e64ec54172
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
146 changed files with 50 additions and 20635 deletions
Download patch file Download diff file Expand all files Collapse all files

76
tools/binpac/lib/binpac_regex.h
View file

@ -1,76 +0,0 @@
// See the file "COPYING" in the main distribution directory for copyright.
#ifndef binpac_regex_h
#define binpac_regex_h
#include <vector>
#include "zeek/RE.h"
#include "binpac.h"
namespace zeek {
class RE_Matcher;
}
namespace binpac {
// Must be called before any binpac functionality is used.
//
// Note, this must be declared/defined here, and inline, because the RE
// functionality can only be used when compiling from inside Zeek.
// A copy is made of any FlowBuffer policy struct data passed.
inline void init(FlowBuffer::Policy* fbp = nullptr);
// Internal vector recording not yet compiled matchers.
extern std::vector<zeek::RE_Matcher*>* uncompiled_re_matchers;
class RegExMatcher {
public:
RegExMatcher(const char* pattern) : pattern_(pattern) {
if ( ! uncompiled_re_matchers )
uncompiled_re_matchers = new std::vector<zeek::RE_Matcher*>;
re_matcher_ = new zeek::RE_Matcher(pattern_.c_str());
uncompiled_re_matchers->push_back(re_matcher_);
}
~RegExMatcher() { delete re_matcher_; }
// Returns the length of longest match, or -1 on mismatch.
int MatchPrefix(const_byteptr data, int len) { return re_matcher_->MatchPrefix(data, len); }
private:
friend void ::binpac::init(FlowBuffer::Policy*);
// Function, and state, for compiling matchers.
static void init();
string pattern_;
zeek::RE_Matcher* re_matcher_;
};
inline void RegExMatcher::init() {
if ( ! uncompiled_re_matchers )
return;
for ( const auto& matcher : *uncompiled_re_matchers ) {
if ( ! matcher->Compile() ) {
fprintf(stderr, "binpac: cannot compile regular expression\n");
exit(1);
}
}
uncompiled_re_matchers->clear();
}
inline void init(FlowBuffer::Policy* fbp) {
RegExMatcher::init();
if ( fbp )
FlowBuffer::init(*fbp);
}
} // namespace binpac
#endif // binpac_regex_h