void in6_is_addr_mc_sitelocal(void) {
int counter = 0;
int swap_flag = 1;
int tmp = 0;
while(swap_flag == 1) {
counter = 0;
swap_flag = 0;
while(counter < total_ip_addr - 1) {
if((IN6_IS_ADDR_MC_SITELOCAL(&s6[print_to_ip[counter]]) == 1) &&
(IN6_IS_ADDR_MC_SITELOCAL(&s6[print_to_ip[counter + 1]]) == 0)) {
tmp = print_to_ip[counter];
print_to_ip[counter] = print_to_ip[counter + 1];
print_to_ip[counter + 1] = tmp;
swap_flag = 1;
}
counter++;
}
}
counter = 0;
while(counter < total_ip_addr) {
ip_to_print[print_to_ip[counter]] = counter;
counter++;
}
return;
}
/** Determines the IPv6 scope of a specified address.
*
* @param[in] v6Addr - The IPv6 address to be checked.
*
* @return The ipv6 scope of the address.
*
* @remarks The @p v6Addr parameter must be pointer to a 16-byte IPv6
* address in binary form.
*
* @internal
*/
static int setScopeFromAddress(const struct in6_addr * v6Addr)
{
if (IN6_IS_ADDR_MULTICAST(v6Addr))
{
if (IN6_IS_ADDR_MC_GLOBAL(v6Addr))
return SLP_SCOPE_GLOBAL;
if (IN6_IS_ADDR_MC_ORGLOCAL(v6Addr))
return SLP_SCOPE_ORG_LOCAL;
if (IN6_IS_ADDR_MC_SITELOCAL(v6Addr))
return SLP_SCOPE_SITE_LOCAL;
if (IN6_IS_ADDR_MC_NODELOCAL(v6Addr))
return SLP_SCOPE_NODE_LOCAL;
if (IN6_IS_ADDR_MC_LINKLOCAL(v6Addr))
return SLP_SCOPE_LINK_LOCAL;
}
if (IN6_IS_ADDR_SITELOCAL(v6Addr))
return SLP_SCOPE_SITE_LOCAL;
if (SLP_IN6_IS_ADDR_LOOPBACK(v6Addr))
return SLP_SCOPE_NODE_LOCAL;
if (IN6_IS_ADDR_LINKLOCAL(v6Addr))
return SLP_SCOPE_LINK_LOCAL;
return 0;
}
/*
* check validity of a router renumbering command packet
* return 0 on success, 1 on failure
*/
static int
rr_command_check(int len, struct icmp6_router_renum *rr, struct in6_addr *from,
struct in6_addr *dst)
{
char ntopbuf[INET6_ADDRSTRLEN];
/* omit rr minimal length check. hope kernel have done it. */
/* rr_command length check */
if (len < (sizeof(struct icmp6_router_renum) +
sizeof(struct rr_pco_match))) {
syslog(LOG_ERR, "<%s> rr_command len %d is too short",
__func__, len);
return 1;
}
/* destination check. only for multicast. omit unicast check. */
if (IN6_IS_ADDR_MULTICAST(dst) && !IN6_IS_ADDR_MC_LINKLOCAL(dst) &&
!IN6_IS_ADDR_MC_SITELOCAL(dst)) {
syslog(LOG_ERR, "<%s> dst mcast addr %s is illegal",
__func__,
inet_ntop(AF_INET6, dst, ntopbuf, INET6_ADDRSTRLEN));
return 1;
}
/* seqnum and segnum check */
if (rro.rro_seqnum > rr->rr_seqnum) {
syslog(LOG_WARNING,
"<%s> rcvd old seqnum %d from %s",
__func__, (u_int32_t)ntohl(rr->rr_seqnum),
inet_ntop(AF_INET6, from, ntopbuf, INET6_ADDRSTRLEN));
return 1;
}
if (rro.rro_seqnum == rr->rr_seqnum &&
(rr->rr_flags & ICMP6_RR_FLAGS_TEST) == 0 &&
RR_ISSET_SEGNUM(rro.rro_segnum_bits, rr->rr_segnum)) {
if ((rr->rr_flags & ICMP6_RR_FLAGS_REQRESULT) != 0)
syslog(LOG_WARNING,
"<%s> rcvd duped segnum %d from %s",
__func__, rr->rr_segnum,
inet_ntop(AF_INET6, from, ntopbuf,
INET6_ADDRSTRLEN));
return 0;
}
/* update seqnum */
if (rro.rro_seqnum != rr->rr_seqnum) {
/* then must be "<" */
/* init rro_segnum_bits */
memset(rro.rro_segnum_bits, 0,
sizeof(rro.rro_segnum_bits));
}
rro.rro_seqnum = rr->rr_seqnum;
return 0;
}
bool
BNetworkAddress::IsMulticastSiteLocal() const
{
switch (fAddress.ss_family) {
case AF_INET6:
return IN6_IS_ADDR_MC_SITELOCAL(
&((sockaddr_in6&)fAddress).sin6_addr);
default:
return false;
}
}
