libmac.h

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#ifndef LIBMAC_H
#define LIBMAC_H
#include <sys/types.h>
#include <sys/socket.h>
#include <stdio.h>
#include <math.h>
#include <errno.h>
#include <fcntl.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <netinet/in.h>
#include <netinet/ether.h>
#include <arpa/inet.h>
#include <net/if_arp.h>  
#include <libnet.h>
#include <pcap.h>
#include <assert.h>
#include <time.h>
#include <syslog.h>
#include <stdarg.h> 
#include "libmac_cmn.h"
#include <limits.h> 
#include <math.h>  

#define DEBUG_ERR

#define DEBUG_BASIC
// Debug macro. Highest level of debugging.
// #define DEBUG_ADV
#define USE_PROC_INTERFACE_OK 0          

#define IFNAME 8

#define IPSIZE 16

#define MACSIZE 6

#define VERSION 1.2

#define FRM_TYPE 0x0900

#define MAX_FRAME_SIZE 1500

#define IOCTL_BUF_SIZE 1024

#define PROC_BUF_SIZE 128

#define SET 0

#define RESET 1

#define GET_FLAG 0

#define SET_FLAG 1

#define APPEND_FLAG 2

#define INCLUDE_FLAG 3

#define CHANGE_FLAG 4

#define OUTGOING 0

#define INCOMING 1 

#define APPEND_OFF 2 

#define INIT_VAL -1 

#define UNSUPPORTED INT_MIN 

#define READONLY INT_MAX

#define SIZEOF_PARAMS_LIST_LEN sizeof(char)

#define SIZEOF_PARAMS_LIST_KEY sizeof(char)

#define SIZEOF_PARAMS_LIST_VALUE sizeof(unsigned short)

#define BYTE_SIZE_MAX_16b_VALUE 5



struct mac_promisc_recv_frame_info
{
  unsigned char *frame_ptr;
  unsigned short frame_len;
};


struct mac_recv_frame_info
{
  struct ether_header *hptr;
  unsigned char *data;
  short data_len;
};


struct mac_ifinfo_list
{
  char if_name[IFNAME + 1];
  char ip_addr[IPSIZE + 1];
  u_char hw_addr[MACSIZE + 1];
  char mac_flag;
  libnet_t *link_struct;
  pcap_t *pcap_descr;
  unsigned char num_supported_params;
  unsigned char supported_params[((MAX_NO_PARAMS)/(CHAR_BIT))];
  unsigned char mode_params[((MAX_NO_PARAMS)/(CHAR_BIT))];
  unsigned char append_params_incmg[((MAX_NO_PARAMS)/(CHAR_BIT))];
  unsigned char append_params_outgng[((MAX_NO_PARAMS)/(CHAR_BIT))];
  struct mac_recv_frame_info frame_info;
  struct mac_promisc_recv_frame_info promisc_frame_info;
  struct mac_ifinfo_list *next;
};


struct mac_ifinfo
{
  struct mac_ifinfo_list *mac_list;
  float lib_version;
};


int mac_get_ifinfo(struct mac_ifinfo **mac_ptr);


void mac_free_ifinfo(struct mac_ifinfo **mac_ptr);


int iw_sockets_open(void);


char *pr_ether(unsigned char *ptr);


int mac_send_broadcast(u_char *payload, short len, struct mac_ifinfo_list *q);


int mac_send_unicast(u_char *payload, short len, struct mac_ifinfo_list *q, unsigned char *ucast_mac);


int mac_recv(struct ether_header **header, char **payload, unsigned short *len, unsigned char **send_params, unsigned char **recv_params, struct mac_ifinfo_list *q, char *filter);


int mac_promisc_recv(unsigned char **frame, unsigned short *frame_len, unsigned char **send_params, unsigned char **recv_params, struct mac_ifinfo_list *q);


struct mac_params {
  short key[MAX_NO_PARAMS];
  int value[MAX_NO_PARAMS];
  unsigned char number_of_params;
  float lib_version;
};


struct mac_params_flags {
  unsigned char set_flag[((MAX_NO_PARAMS)/(CHAR_BIT))];
  unsigned char get_flag[((MAX_NO_PARAMS)/(CHAR_BIT))];
  unsigned char append_flag[((MAX_NO_PARAMS)/(CHAR_BIT))];
  unsigned char change_flag[((MAX_NO_PARAMS)/(CHAR_BIT))];
  unsigned char include_flag[((MAX_NO_PARAMS)/(CHAR_BIT))];
  float lib_version;
};


int 
mac_init_params(struct mac_params **h, 
               struct mac_params_flags **g);


void 
mac_free_params(struct mac_params **h, 
               struct mac_params_flags **g);


int 
mac_get_params (struct mac_params *h, 
        struct mac_ifinfo_list *if_ptr, 
        int argc, 
        ...);


int 
mac_set_params (struct mac_params *h, 
        struct mac_ifinfo_list *if_ptr, 
        int argc, 
        ...);


int 
mac_append_params (struct mac_ifinfo_list *if_ptr, 
                  unsigned char direction, 
                  int argc, 
                  ...);

#endif

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