我自己写得libpcap抓包，用libnet发送程序，无法运行，提示段错误-红联Linux系统门户

我自己写得libpcap抓包，用libnet发送程序，但是编译通过以后，无法运行，错误为段错误，我自己也按照网上说段错误的调试了，但是还是不知道怎么修改。

下面是源代码以及错误提示：

#include
#include
#include

#include
#include
#include

struct ether_header

{
u_int8_t ether_dhost[6];

u_int8_t ether_shost[6];

u_int16_t ether_type;

};

void ethernet_protocol_packet_callback(u_char *argument, const struct pcap_pkthdr *packet_header, const u_char *packet_content)
{

int packet_size;

char error_buffer[LIBNET_ERRBUF_SIZE];

char *dev1_ = "eth9";
char *dev2_ = "eth8";

libnet_t *l;
static int k;

char *data;

u_int8_t len;

int ethernet_protocol_tag = 0;

u_short ethernet_type;

struct ether_header *ethernet_protocol;

u_int8_t *hardware_destination;

u_int8_t *hardware_source;

len = packet_header->len;

data = packet_content;

int i;

for(i=0;i<14;i++)
data++;

ethernet_protocol = (struct ether_header*)packet_content;

printf("Ethernet type is :\n");

ethernet_type = ntohs(ethernet_protocol->ether_type);

printf("%04x\n", ethernet_type);

hardware_source = ethernet_protocol->ether_shost;

hardware_destination = ethernet_protocol->ether_dhost;

printf("Mac Source Address is : \n");
printf("%02x:%02x:%02x:%02x:%02x:%02x\n", *hardware_source, *(hardware_source + 1), *(hardware_source + 2), *(hardware_source + 3),
*(hardware_source + 4), *(hardware_source + 5));

printf("Mac Destination Address is : \n");
printf("%02x:%02x:%02x:%02x:%02x:%02x\n", *hardware_destination, *(hardware_destination + 1), *(hardware_destination + 2), *(hardware_destination+ 3),
*(hardware_destination + 4), *(hardware_destination + 5));

if(k%2==0)

l = libnet_init(LIBNET_LINK, dev1_, error_buffer);

else

l = libnet_init(LIBNET_LINK, dev2_, error_buffer);
k++;

ethernet_protocol_tag = libnet_build_ethernet(

hardware_destination,

hardware_source,

ethernet_type,

data,

len-14,

l,

ethernet_protocol_tag );

packet_size = libnet_write(l);

printf("??

我自己写得libpcap抓包，用libnet发送程序，无法运行，提示段错误

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我自己写得libpcap抓包，用libnet发送程序，无法运行，提示段错误