pcap_file.c File Reference

#include <include.h>
#include <src/pcap_file.h>
#include <src/wlan-ng.h>
#include <src/functions.h>
#include <src/crt_io.h>

Include dependency graph for pcap_file.c:

Go to the source code of this file.

Defines
#define	STR_MAX   80
Functions
int	getPacketPCAP (p80211_caphdr_t *wlan_header, UINT8 *buf, int maxlen)
int	openPacketPCAP (char *pcap_name)
void	closePacketPCAP (void)
Variables
static char *	ID = "$Id: pcap.c,v 1.3 2005/11/03 15:28:53 poggij Exp $"
ConfigStruct	config
p80211_caphdr_t	wlan_header
WINDOW *	Sum_WND
WINDOW *	RealTime_WND
static CaptureArg	ca
static char	errbuf [PCAP_ERRBUF_SIZE]

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Define Documentation

#define STR_MAX   80

Definition at line 43 of file pcap_file.c.

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Function Documentation

int getPacketPCAP	(	p80211_caphdr_t *	wlan_header,
		UINT8 *	buf,
		int	maxlen
	)

Definition at line 48 of file pcap_file.c.

References p80211_caphdr::antenna, p80211_caphdr::channel, p80211_caphdr::datarate, DumpHexPaquets(), p80211_caphdr::encoding, p80211_caphdr::hosttime, p80211_caphdr::length, p80211_caphdr::mactime, memcpy_buff(), CaptureArg_t::offset, CaptureArg_t::pcap, p80211_caphdr::phytype, p80211_caphdr::preamble, p80211_caphdr::priority, RealTime_WND, p80211_caphdr::ssi_noise, p80211_caphdr::ssi_signal, p80211_caphdr::ssi_type, p80211_caphdr::version, and warning().

Referenced by getPacket().

{
  struct pcap_pkthdr pktHdr;
  u_char *ret;
  fd_set rs;

  FD_ZERO(&rs);
  FD_SET(0, &rs);

  warning("before\n");
  ret = (u_char *) pcap_next(ca.pcap, &pktHdr);
  warning("after\n");

  // If no problem and packet is enought big (with data)
  if ((ret) && (pktHdr.len >= 1)) {
#if 1
    // Function to dump in hexa the message send or sent to the driver
    DumpHexPaquets(RealTime_WND, ret, 0x40);
#endif
    memcpy_buff(buf, ret + ca.offset, pktHdr.len + 0x00);
    // Fill Header
    // TODO : find this information in any maner ?!
    wlan_header->version = 0;    // It's a reduced capture frame format
    wlan_header->length = 0;     // Not used for now
    wlan_header->mactime = 0;
    wlan_header->hosttime = 0;
    wlan_header->phytype = 0;    // Not used for now
    wlan_header->channel = 0;
    wlan_header->datarate = 0;   // datarate is in units of 100kbps.
    wlan_header->antenna = 0;    // Not used for now
    wlan_header->priority = 0;   // Not used for now
    wlan_header->ssi_type = 0;   // Not used for now
    wlan_header->ssi_signal = 0;
    wlan_header->ssi_noise = 0;
    wlan_header->preamble = 0;   // Not used for now
    wlan_header->encoding = 0;   // Not used for now
    return pktHdr.len;
  } else {
    return (0);                 // Noting to read
  }
}

int openPacketPCAP

(

char *

pcap_name

)

Definition at line 90 of file pcap_file.c.

References CalculateOffset(), CaptureArg_t::DataLink, errbuf, ERROR_CANT_OPEN_PCAP, NO_ERROR, CaptureArg_t::offset, and CaptureArg_t::pcap.

Referenced by openPacket().

{
  ca.pcap = pcap_open_offline(pcap_name, errbuf);
  if (ca.pcap) {
    ca.DataLink = pcap_datalink(ca.pcap);
    ca.offset = CalculateOffset(ca.DataLink);
    return NO_ERROR;
  }
  return ERROR_CANT_OPEN_PCAP;
}

void closePacketPCAP

(

void

)

Definition at line 101 of file pcap_file.c.

References CaptureArg_t::pcap.

Referenced by closePacket().

{
  pcap_close(ca.pcap);
}

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Variable Documentation

char* ID = "$Id: pcap.c,v 1.3 2005/11/03 15:28:53 poggij Exp $" [static]

Definition at line 30 of file pcap_file.c.

ConfigStruct config

Definition at line 58 of file scanner.c.

p80211_caphdr_t wlan_header

Referenced by main().

WINDOW* Sum_WND

Definition at line 61 of file scanner.c.

WINDOW * RealTime_WND

Definition at line 61 of file scanner.c.

CaptureArg ca [static]

Definition at line 40 of file pcap_file.c.

char errbuf[PCAP_ERRBUF_SIZE] [static]

Definition at line 41 of file pcap_file.c.