(usagi-users 00522) Problem processing the routing header addresses

[SUPERJFG <SUPERJFG@xxxxxxxx>]

Hi,

There?s a problem in processing the routing header addresses. The last 
address is always ignored. I get the :: address. Has the 
inet6_rthdr_getaddr  function a known bug? I suspect the kernel doesn?t 
return the last address, because I can see the correct packet 
containing all the addresses with the tcpdump.


As an example, I show you a simplified version of my code.

struct cmsghdr *cmsgptr; 
int segments, i;
struct in6_addr *in6; 
char *asciiname =(char *) malloc(128*sizeof(char)); 

/* Call to recvmsg */


if (cmsgptr->cmsg_level == IPPROTO_IPV6 && cmsgptr->cmsg_type == 
IPV6_RTHDR ) { 

segments = inet6_rthdr_segments(cmsgptr); 
for (i=1; i<=segments; i++){ 
 
in6 = inet6_rthdr_getaddr(cmsgptr, i); 
if(in6 == NULL){ 
printf("Error processing routing header\n"); 
return NULL; 
} 
else{ 
asciiname = (char *)inet_ntop(AF_INET6, (const void *)in6->s6_addr,
asciiname, 128); 
printf(?Address %d: %s\n?, i, asciiname);
} 
} 
 } 


Thanks a lot.


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