static void flush_lookup_list (void)
{
dig_lookup_t *l, *lp;
dig_query_t *q, *qp;
dig_server_t *s, *sp;
lookup_counter = 0;
l = ISC_LIST_HEAD (lookup_list);
while (l != NULL)
{
q = ISC_LIST_HEAD (l->q);
while (q != NULL)
{
if (q->sock != NULL)
{
isc_socket_cancel (q->sock, NULL, ISC_SOCKCANCEL_ALL);
isc_socket_detach (&q->sock);
}
if (ISC_LINK_LINKED (&q->recvbuf, link))
ISC_LIST_DEQUEUE (q->recvlist, &q->recvbuf, link);
if (ISC_LINK_LINKED (&q->lengthbuf, link))
ISC_LIST_DEQUEUE (q->lengthlist, &q->lengthbuf, link);
isc_buffer_invalidate (&q->recvbuf);
isc_buffer_invalidate (&q->lengthbuf);
qp = q;
q = ISC_LIST_NEXT (q, link);
ISC_LIST_DEQUEUE (l->q, qp, link);
isc_mem_free (mctx, qp);
}
s = ISC_LIST_HEAD (l->my_server_list);
while (s != NULL)
{
sp = s;
s = ISC_LIST_NEXT (s, link);
ISC_LIST_DEQUEUE (l->my_server_list, sp, link);
isc_mem_free (mctx, sp);
}
if (l->sendmsg != NULL)
dns_message_destroy (&l->sendmsg);
if (l->timer != NULL)
isc_timer_detach (&l->timer);
lp = l;
l = ISC_LIST_NEXT (l, link);
ISC_LIST_DEQUEUE (lookup_list, lp, link);
isc_mem_free (mctx, lp);
}
}
isc_result_t
dhcp_isc_name(unsigned char *namestr,
dns_fixedname_t *namefix,
dns_name_t **name)
{
size_t namelen;
isc_buffer_t b;
isc_result_t result;
namelen = strlen((char *)namestr);
isc_buffer_init(&b, namestr, namelen);
isc_buffer_add(&b, namelen);
dns_fixedname_init(namefix);
*name = dns_fixedname_name(namefix);
result = dns_name_fromtext(*name, &b, dns_rootname, 0, NULL);
isc_buffer_invalidate(&b);
return(result);
}
static void
parse_name(char **cmdlinep, dns_name_t *name) {
isc_result_t result;
char *word;
isc_buffer_t source;
word = nsu_strsep(cmdlinep, " \t\r\n");
if (word == NULL || *word == 0) {
fprintf(stderr, "could not read owner name\n");
exit(1);
}
isc_buffer_init(&source, word, strlen(word));
isc_buffer_add(&source, strlen(word));
result = dns_name_fromtext(name, &source, dns_rootname, 0, NULL);
check_result(result, "dns_name_fromtext");
isc_buffer_invalidate(&source);
}
void
isc_buffer_free(isc_buffer_t **dynbuffer) {
isc_buffer_t *dbuf;
isc_mem_t *mctx;
REQUIRE(dynbuffer != NULL);
REQUIRE(ISC_BUFFER_VALID(*dynbuffer));
REQUIRE((*dynbuffer)->mctx != NULL);
dbuf = *dynbuffer;
*dynbuffer = NULL; /* destroy external reference */
mctx = dbuf->mctx;
dbuf->mctx = NULL;
isc_mem_put(mctx, dbuf->base, dbuf->length);
isc_buffer_invalidate(dbuf);
isc_mem_put(mctx, dbuf, sizeof(isc_buffer_t));
}
static void
reset_client(isc_httpd_t *httpd) {
/*
* Catch errors here. We MUST be in RECV mode, and we MUST NOT have
* any outstanding buffers. If we have buffers, we have a leak.
*/
INSIST(ISC_HTTPD_ISRECV(httpd));
INSIST(!ISC_LINK_LINKED(&httpd->headerbuffer, link));
INSIST(!ISC_LINK_LINKED(&httpd->bodybuffer, link));
httpd->recvbuf[0] = 0;
httpd->recvlen = 0;
httpd->headers = NULL;
httpd->method = ISC_HTTPD_METHODUNKNOWN;
httpd->url = NULL;
httpd->querystring = NULL;
httpd->protocol = NULL;
httpd->flags = 0;
isc_buffer_clear(&httpd->headerbuffer);
isc_buffer_invalidate(&httpd->bodybuffer);
}