static void
test_09()
{
slist sl;
slist *l = &sl;
/*
* #1
*/
slist_init(l);
slist_set_size(l, 3);
slist_add(l, (void *)1);
slist_add(l, (void *)2);
slist_add(l, (void *)3);
slist_itr_first(l);
ASSERT((int)slist_itr_next(l) == 1); /* 1 */
ASSERT((int)slist_itr_next(l) == 2); /* 2 */
ASSERT((int)slist_itr_next(l) == 3); /* 3 */
/* reaches the last */
slist_add(l, (void *)4); /* add a new item */
ASSERT(slist_itr_has_next(l)); /* iterates the new */
ASSERT((int)slist_itr_next(l) == 4);
slist_fini(l);
/*
* #2
*/
slist_init(l);
slist_set_size(l, 3);
slist_add(l, (void *)1);
slist_add(l, (void *)2);
slist_add(l, (void *)3);
slist_itr_first(l);
ASSERT((int)slist_itr_next(l) == 1); /* 1 */
ASSERT((int)slist_itr_next(l) == 2); /* 2 */
ASSERT((int)slist_itr_next(l) == 3); /* 3 */
/* reaches the last */
slist_itr_remove(l); /* and remove the last*/
slist_add(l, (void *)4); /* add 4 (new last)*/
ASSERT(slist_itr_has_next(l)); /* */
ASSERT((int)slist_itr_next(l) == 4); /* 4 */
slist_fini(l);
/*
* #3
*/
slist_init(l);
slist_set_size(l, 3);
slist_add(l, (void *)1);
slist_add(l, (void *)2);
slist_add(l, (void *)3);
slist_itr_first(l);
ASSERT((int)slist_itr_next(l) == 1); /* 1 */
ASSERT((int)slist_itr_next(l) == 2); /* 2 */
ASSERT((int)slist_itr_next(l) == 3); /* 3 */
/* reaches the last */
slist_add(l, (void *)4); /* add a new */
slist_itr_remove(l);
ASSERT(slist_itr_has_next(l));
ASSERT((int)slist_itr_next(l) == 4); /* 4 */
slist_fini(l);
/*
* #4 - remove iterator's next and it is the last
*/
slist_init(l);
slist_set_size(l, 3);
slist_add(l, (void *)1);
slist_add(l, (void *)2);
slist_add(l, (void *)3);
slist_itr_first(l);
ASSERT((int)slist_itr_next(l) == 1); /* 1 */
ASSERT((int)slist_itr_next(l) == 2); /* 2 */
slist_remove(l, 2); /* remove the next */
slist_add(l, (void *)4); /* add the new next */
ASSERT(slist_itr_has_next(l)); /* iterates the new */
ASSERT((int)slist_itr_next(l) == 4);
slist_fini(l);
}
/* add a listner to pptpd daemon context */
int
pptpd_add_listener(pptpd *_this, int idx, const char *label,
struct sockaddr *bindaddr)
{
int inaddr_any;
pptpd_listener *plistener, *plstn;
plistener = NULL;
if (idx == 0 && slist_length(&_this->listener) > 0) {
slist_itr_first(&_this->listener);
while (slist_itr_has_next(&_this->listener)) {
slist_itr_next(&_this->listener);
plstn = slist_itr_remove(&_this->listener);
PPTPD_ASSERT(plstn != NULL);
PPTPD_ASSERT(plstn->sock == -1);
PPTPD_ASSERT(plstn->sock_gre == -1);
free(plstn);
}
}
PPTPD_ASSERT(slist_length(&_this->listener) == idx);
if (slist_length(&_this->listener) != idx) {
pptpd_log(_this, LOG_ERR,
"Invalid argument error on %s(): idx must be %d but %d",
__func__, slist_length(&_this->listener), idx);
goto fail;
}
if ((plistener = malloc(sizeof(pptpd_listener))) == NULL) {
pptpd_log(_this, LOG_ERR, "malloc() failed in %s: %m",
__func__);
goto fail;
}
memset(plistener, 0, sizeof(pptpd_listener));
PPTPD_ASSERT(sizeof(plistener->bind_sin) >= bindaddr->sa_len);
memcpy(&plistener->bind_sin, bindaddr, bindaddr->sa_len);
memcpy(&plistener->bind_sin_gre, bindaddr, bindaddr->sa_len);
if (plistener->bind_sin.sin_port == 0)
plistener->bind_sin.sin_port = htons(PPTPD_DEFAULT_TCP_PORT);
/* When a raw socket binds both of an INADDR_ANY and specific IP
* address sockets, packets will be received by those sockets
* simultaneously. To avoid this duplicate receives, not
* permit such kind of configuration */
inaddr_any = 0;
slist_itr_first(&_this->listener);
while (slist_itr_has_next(&_this->listener)) {
plstn = slist_itr_next(&_this->listener);
if (plstn->bind_sin_gre.sin_addr.s_addr == INADDR_ANY)
inaddr_any++;
}
if (plistener->bind_sin_gre.sin_addr.s_addr == INADDR_ANY)
inaddr_any++;
if (inaddr_any > 0 && idx > 0) {
log_printf(LOG_ERR, "configuration error at pptpd.listener_in: "
"combination 0.0.0.0 and other address is not allowed.");
goto fail;
}
plistener->bind_sin_gre.sin_port = 0;
plistener->sock = -1;
plistener->sock_gre = -1;
plistener->self = _this;
plistener->index = idx;
strlcpy(plistener->phy_label, label, sizeof(plistener->phy_label));
if (slist_add(&_this->listener, plistener) == NULL) {
pptpd_log(_this, LOG_ERR, "slist_add() failed in %s: %m",
__func__);
goto fail;
}
return 0;
fail:
if (plistener != NULL)
free(plistener);
return 1;
}
