mirror of
https://github.com/sheumann/hush.git
synced 2024-10-29 20:27:40 +00:00
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
#ifndef _PACKET_H
|
|
#define _PACKET_H
|
|
|
|
#include <netinet/udp.h>
|
|
#include <netinet/ip.h>
|
|
|
|
struct dhcpMessage {
|
|
uint8_t op;
|
|
uint8_t htype;
|
|
uint8_t hlen;
|
|
uint8_t hops;
|
|
uint32_t xid;
|
|
uint16_t secs;
|
|
uint16_t flags;
|
|
uint32_t ciaddr;
|
|
uint32_t yiaddr;
|
|
uint32_t siaddr;
|
|
uint32_t giaddr;
|
|
uint8_t chaddr[16];
|
|
uint8_t sname[64];
|
|
uint8_t file[128];
|
|
uint32_t cookie;
|
|
uint8_t options[308]; /* 312 - cookie */
|
|
};
|
|
|
|
struct udp_dhcp_packet {
|
|
struct iphdr ip;
|
|
struct udphdr udp;
|
|
struct dhcpMessage data;
|
|
};
|
|
|
|
#define init_header udhcp_init_header
|
|
#define get_packet udhcp_get_packet
|
|
#define checksum udhcp_checksum
|
|
#define raw_packet udhcp_raw_packet
|
|
#define kernel_packet udhcp_kernel_packet
|
|
|
|
void init_header(struct dhcpMessage *packet, char type);
|
|
int get_packet(struct dhcpMessage *packet, int fd);
|
|
uint16_t checksum(void *addr, int count);
|
|
int raw_packet(struct dhcpMessage *payload, uint32_t source_ip, int source_port,
|
|
uint32_t dest_ip, int dest_port, uint8_t *dest_arp, int ifindex);
|
|
int kernel_packet(struct dhcpMessage *payload, uint32_t source_ip, int source_port,
|
|
uint32_t dest_ip, int dest_port);
|
|
|
|
|
|
#endif
|