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ip.h

/*** This Programs/Libraries are (C)opyright by Sebastian Krahmer.
 *** You may use it under the terms of the GPL. You should have
 *** already received the file COPYING that shows you your rights.
 *** Please look at COPYING for further license-details.
 ***  
 *** THERE IS ABSOLUTELY NO WARRANTY. SO YOU USE IT AT YOUR OWN RISK.
 *** IT WAS WRITTEN IN THE HOPE THAT IT WILL BE USEFULL. I AM NOT RESPONSIBLE
 *** FOR ANY DAMAGE YOU MAYBE GET DUE TO USING MY PROGRAMS.
 ***/

#ifndef _IP_H_
#define _IP_H_

#include "usi-structs.h"
#include "datalink.h"
#include "Layer2.h"
#include <stdio.h>

namespace usipp {

class IP : public Layer2 {
protected:
        struct iphdr iph;
        char ipOptions[40];
        struct sockaddr_in saddr;
        char host[1000];
        
        char *reassemble(char *, int, int *);
public:

        IP(const char*, u_int8_t);      // IP("foo.foo", IPPROTO_TCP);

        IP(u_int32_t, u_int8_t);        

        virtual ~IP();

        u_int8_t get_hlen();

        u_int8_t get_vers();

        u_int8_t get_tos();

        u_int16_t get_totlen();

        u_int16_t get_id();

        u_int16_t get_fragoff();

        
        u_int16_t get_fflags();

        u_int8_t get_ttl();

        u_int8_t get_proto();

        u_int16_t get_sum();

        u_int32_t get_src();

        u_int32_t get_dst();

        IP &operator=(const IP&);

        IP(const IP&); 

        char *get_src(int resolv, char *buf, size_t buflen);

        char *get_dst(int resolv, char *buf, size_t buflen);
        
        int set_hlen(u_int8_t);

        int set_vers(u_int8_t);

        
        int set_tos(u_int8_t);

        int set_totlen(u_int16_t);

        int set_id(u_int16_t);

        
        int set_fragoff(u_int16_t);

        
        int set_fflags(u_int16_t);

        int set_ttl(u_int8_t);

        int set_proto(u_int8_t);
    
        
        int set_sum(u_int16_t);  // should NOT be used; just to be complete...

        int set_src(u_int32_t);

        int set_dst(u_int32_t);

        int set_src(const char *ip_or_name);
        
        int set_dst(const char*);

        iphdr get_iphdr();

        virtual int sendpack(void *payload, size_t paylen);
        
        
        virtual int sendpack(char *pay_string);
        
        virtual int sniffpack(void *buf, size_t len);

        
        virtual int init_device(char *, int, size_t);
};


} // namespace

#endif // _IP_H_

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