/*
* Add the given assertion (as string).
*/
int make_assertion(char *aval)
{
struct lexer_state lls;
size_t n = strlen(aval) + 1;
char *c = sdup(aval);
int ret;
*(c + n - 1) = '\n';
init_buf_lexer_state(&lls, 0);
lls.flags = DEFAULT_LEXER_FLAGS;
lls.input = 0;
lls.input_string = (unsigned char *)c;
lls.pbuf = 0;
lls.ebuf = n;
lls.line = -1;
ret = handle_assert(&lls);
freemem(c);
free_lexer_state(&lls);
return ret;
}
void pim_interface::data_available(const sockaddr_in6 *src, const sockaddr_in6 *dst) {
pim_message *pimmsg = g_mrd->ipktb->header<pim_message>();
int len = g_mrd->ipktb->rlength;
m_stats.counter(AllCount, RX)++;
if (pimmsg->type() != pim_msg_register && should_log(MESSAGE_SIG)) {
log().xprintf("%s message from %{addr} to %{addr} len %u\n",
pimmsg->type_name(), src->sin6_addr,
dst->sin6_addr, (uint32_t)len);
}
if (pimmsg->type() == pim_msg_register)
len = sizeof(pim_register_message);
if (!(pimmsg->has_valid_checksum(src->sin6_addr, dst->sin6_addr, len)
|| (pimmsg->type() == pim_msg_register &&
pimmsg->has_valid_checksum(src->sin6_addr, dst->sin6_addr, g_mrd->ipktb->rlength)))) {
m_stats.counter(AllCount, Bad)++;
if (should_log(MESSAGE_ERR)) {
log().xprintf("Dropping message from %{addr} to %{addr}"
" len %u: Bad Checksum\n", src->sin6_addr,
dst->sin6_addr, (uint32_t)g_mrd->ipktb->rlength);
}
return;
}
if (dst->sin6_addr == pim_all_routers) {
if ((int)src->sin6_scope_id != owner()->index()) {
if (should_log(MESSAGE_ERR)) {
log().xprintf("Dropping message from %{addr} to %{addr}"
" len %u: Wrong interface\n", src->sin6_addr,
dst->sin6_addr, (uint32_t)g_mrd->ipktb->rlength);
}
return;
}
switch (pimmsg->type()) {
case pim_msg_hello:
handle_hello(src, (pim_hello_message *)g_mrd->ipktb->pheader(), g_mrd->ipktb->rlength);
break;
case pim_msg_joinprune:
handle_joinprune(src, (pim_joinprune_message *)g_mrd->ipktb->pheader(), g_mrd->ipktb->rlength);
break;
case pim_msg_assert:
handle_assert(src, (pim_assert_message *)g_mrd->ipktb->pheader(), g_mrd->ipktb->rlength);
break;
case pim_msg_bootstrap:
handle_bootstrap(src, dst, (pim_bootstrap_message *)g_mrd->ipktb->pheader(), g_mrd->ipktb->rlength);
break;
default:
m_stats.counter(AllCount, Bad)++;
}
} else {
switch (pimmsg->type()) {
case pim_msg_register:
handle_register(src, dst);
break;
case pim_msg_register_stop:
handle_register_stop(src);
break;
case pim_msg_bootstrap:
handle_bootstrap(src, dst, (pim_bootstrap_message *)g_mrd->ipktb->pheader(), g_mrd->ipktb->rlength);
break;
case pim_msg_candidate_rp_adv:
handle_candidate_rp_adv(src,
(pim_candidate_rp_adv_message *)g_mrd->ipktb->pheader(),
g_mrd->ipktb->rlength);
break;
default:
m_stats.counter(AllCount, Bad)++;
}
}
}
