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/*
* Copyright (c) 2003 CORE Security Technologies
*
* This software is provided under under a slightly modified version
* of the Apache Software License. See the accompanying LICENSE file
* for more information.
*
* $Id: pcapdumper.cc,v 1.3 2003/10/23 20:00:53 jkohen Exp $
*/
#include <Python.h>
#include <pcap.h>
#include "pcapdumper.h"
#include "pcap_pkthdr.h"
#include "pcapy.h"
// internal pcapdumper
typedef struct {
PyObject_HEAD
pcap_dumper_t *dumper;
} pcapdumper;
// Pdumpertype
static void
pcap_dealloc(register pcapdumper* pp)
{
if ( pp->dumper )
pcap_dump_close(pp->dumper);
pp->dumper = NULL;
PyObject_Del(pp);
}
// pcap methods
//static PyObject* p_close(register pcapdumper* pp, PyObject* args);
static PyObject* p_dump(register pcapdumper* pp, PyObject* args);
static PyMethodDef p_methods[] = {
// {"close", (PyCFunction) p_close, METH_VARARGS, "loops packet dispatching"},
{"dump", (PyCFunction) p_dump, METH_VARARGS, "dump a packet to the file"},
{NULL, NULL} /* sentinel */
};
static PyObject*
pcap_getattr(pcapdumper* pp, char* name)
{
return Py_FindMethod(p_methods, (PyObject*)pp, name);
}
PyTypeObject Pdumpertype = {
PyObject_HEAD_INIT(NULL)
0,
"Dumper",
sizeof(pcapdumper),
0,
/* methods */
(destructor)pcap_dealloc, /*tp_dealloc*/
0, /*tp_print*/
(getattrfunc)pcap_getattr, /*tp_getattr*/
0, /*tp_setattr*/
0, /*tp_compare*/
0, /*tp_repr*/
0, /*tp_as_number*/
0, /*tp_as_sequence*/
0, /*tp_as_mapping*/
};
PyObject*
new_pcapdumper(pcap_dumper_t *dumper)
{
pcapdumper *pp;
pp = PyObject_New(pcapdumper, &Pdumpertype);
if (pp == NULL)
return NULL;
pp->dumper = dumper;
return (PyObject*)pp;
}
static PyObject*
p_dump(register pcapdumper* pp, PyObject* args)
{
PyObject *pyhdr;
u_char *data;
int len;
if (pp->ob_type != &Pdumpertype) {
PyErr_SetString(PcapError, "Not a pcapdumper object");
return NULL;
}
if (!PyArg_ParseTuple(args,"Os#",&pyhdr,&data,&len))
return NULL;
struct pcap_pkthdr hdr;
if (-1 == pkthdr_to_native(pyhdr, &hdr))
return NULL;
pcap_dump((u_char *)pp->dumper, &hdr, data);
Py_INCREF(Py_None);
return Py_None;
}
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