?? tftpmain.c
字號:
#include "skbuff.h"
#include "eth.h"
#include "arp.h"
#include "ip.h"
#include "udp.h"
#include "console.h"
#include "utils.h"
#include "DataType.h"
int DownLoadEnd;
int DownLoadOnly;
unsigned long LoadLength;
unsigned long load_addr = 0x8000;
int net_handle(void)
{
struct sk_buff *skb;
struct ethhdr *eth_hdr;
skb = alloc_skb(ETH_FRAME_LEN);
if (eth_rcv(skb) != -1) {
eth_hdr = (struct ethhdr *)(skb->data);
skb_pull(skb, ETH_HLEN);
//printf("\n----%x", eth_hdr->h_proto);
if (ntohs(eth_hdr->h_proto) == ETH_P_ARP)
arp_rcv_packet(skb);
else if(ntohs(eth_hdr->h_proto) == ETH_P_IP)
ip_rcv_packet(skb);
}
free_skb(skb);
return 0;
}
int tftp_main(unsigned long ip, unsigned long addr, int method)
{
unsigned char eth_addr[ETH_ALEN];
unsigned char *s = (unsigned char *)&ip;
printf("Mini TFTP Server 1.0 (IP : %d.%d.%d.%d PORT: %d)\n", s[3], s[2], s[1], s[0], TFTP);
load_addr = addr;
DownLoadEnd = 0;
DownLoadOnly = method;
LoadLength = 0;
puts("Load image file from host\n");
printf("Type tftp -i %d.%d.%d.%d put filename at the host PC\n", s[3], s[2], s[1], s[0]);
puts("Press ESC key to exit\n");
eth_init();
eth_get_addr(eth_addr);
arp_init();
ip_init(ip);
udp_init();
arp_add_entry(eth_addr, ip);
while (1) {
net_handle();
if (kbhit()&&(getch()==ESC_KEY))
{
putch('\n');
return 0;
}
if(DownLoadEnd)
{
puts("Download end\n");
return LoadLength;
}
}
}
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