diff -up bind-9.9.4/bin/dig/dighost.c.send_buffers bind-9.9.4/bin/dig/dighost.c
--- bind-9.9.4/bin/dig/dighost.c.send_buffers 2013-10-31 14:22:20.296811613 +0100
+++ bind-9.9.4/bin/dig/dighost.c 2013-10-31 14:57:00.336400190 +0100
@@ -194,6 +194,7 @@ isc_boolean_t validated = ISC_TRUE;
isc_entropy_t *entp = NULL;
isc_mempool_t *commctx = NULL;
isc_boolean_t debugging = ISC_FALSE;
+isc_boolean_t debugtiming = ISC_FALSE;
isc_boolean_t memdebugging = ISC_FALSE;
char *progname = NULL;
isc_mutex_t lookup_lock;
@@ -553,6 +554,12 @@ debug(const char *format, ...) {
if (debugging) {
fflush(stdout);
+ if (debugtiming) {
+ struct timeval tv;
+ (void)gettimeofday(&tv, NULL);
+ fprintf(stderr, "%ld.%06ld: ", (long)tv.tv_sec,
+ (long)tv.tv_usec);
+ }
va_start(args, format);
vfprintf(stderr, format, args);
va_end(args);
@@ -2416,8 +2423,10 @@ send_done(isc_task_t *_task, isc_event_t
for (b = ISC_LIST_HEAD(sevent->bufferlist);
b != NULL;
- b = ISC_LIST_HEAD(sevent->bufferlist))
+ b = ISC_LIST_HEAD(sevent->bufferlist)) {
ISC_LIST_DEQUEUE(sevent->bufferlist, b, link);
+ isc_mem_free(mctx, b);
+ }
query = event->ev_arg;
query->waiting_senddone = ISC_FALSE;
@@ -2609,6 +2618,17 @@ send_tcp_connect(dig_query_t *query) {
}
}
+static isc_buffer_t *
+clone_buffer(isc_buffer_t *source) {
+ isc_buffer_t *buffer;
+ buffer = isc_mem_allocate(mctx, sizeof(*buffer));
+ if (buffer == NULL)
+ fatal("memory allocation failure in %s:%d",
+ __FILE__, __LINE__);
+ *buffer = *source;
+ return (buffer);
+}
+
/*%
* Send a UDP packet to the remote nameserver, possible starting the
* recv action as well. Also make sure that the timer is running and
@@ -2618,6 +2638,7 @@ static void
send_udp(dig_query_t *query) {
dig_lookup_t *l = NULL;
isc_result_t result;
+ isc_buffer_t *sendbuf;
debug("send_udp(%p)", query);
@@ -2664,14 +2685,16 @@ send_udp(dig_query_t *query) {
debug("recvcount=%d", recvcount);
}
ISC_LIST_INIT(query->sendlist);
- ISC_LIST_ENQUEUE(query->sendlist, &query->sendbuf, link);
+ sendbuf = clone_buffer(&query->sendbuf);
+ ISC_LIST_ENQUEUE(query->sendlist, sendbuf, link);
debug("sending a request");
TIME_NOW(&query->time_sent);
INSIST(query->sock != NULL);
query->waiting_senddone = ISC_TRUE;
- result = isc_socket_sendtov(query->sock, &query->sendlist,
- global_task, send_done, query,
- &query->sockaddr, NULL);
+ result = isc_socket_sendtov2(query->sock, &query->sendlist,
+ global_task, send_done, query,
+ &query->sockaddr, NULL,
+ ISC_SOCKFLAG_NORETRY);
check_result(result, "isc_socket_sendtov");
sendcount++;
}
@@ -2838,6 +2861,7 @@ static void
launch_next_query(dig_query_t *query, isc_boolean_t include_question) {
isc_result_t result;
dig_lookup_t *l;
+ isc_buffer_t *buffer;
INSIST(!free_now);
@@ -2861,9 +2885,15 @@ launch_next_query(dig_query_t *query, is
isc_buffer_putuint16(&query->slbuf, (isc_uint16_t) query->sendbuf.used);
ISC_LIST_INIT(query->sendlist);
ISC_LINK_INIT(&query->slbuf, link);
- ISC_LIST_ENQUEUE(query->sendlist, &query->slbuf, link);
- if (include_question)
- ISC_LIST_ENQUEUE(query->sendlist, &query->sendbuf, link);
+ if (!query->first_soa_rcvd) {
+ buffer = clone_buffer(&query->slbuf);
+ ISC_LIST_ENQUEUE(query->sendlist, buffer, link);
+ if (include_question) {
+ buffer = clone_buffer(&query->sendbuf);
+ ISC_LIST_ENQUEUE(query->sendlist, buffer, link);
+ }
+ }
+
ISC_LINK_INIT(&query->lengthbuf, link);
ISC_LIST_ENQUEUE(query->lengthlist, &query->lengthbuf, link);
diff -up bind-9.9.4/bin/dig/host.c.send_buffers bind-9.9.4/bin/dig/host.c
--- bind-9.9.4/bin/dig/host.c.send_buffers 2013-10-31 14:22:20.270811568 +0100
+++ bind-9.9.4/bin/dig/host.c 2013-10-31 14:22:20.328811669 +0100
@@ -638,6 +638,8 @@ pre_parse_args(int argc, char **argv) {
case 'w': break;
case 'C': break;
case 'D':
+ if (debugging)
+ debugtiming = ISC_TRUE;
debugging = ISC_TRUE;
break;
case 'N': break;
diff -up bind-9.9.4/bin/dig/include/dig/dig.h.send_buffers bind-9.9.4/bin/dig/include/dig/dig.h
--- bind-9.9.4/bin/dig/include/dig/dig.h.send_buffers 2013-10-31 14:22:20.270811568 +0100
+++ bind-9.9.4/bin/dig/include/dig/dig.h 2013-10-31 14:22:20.328811669 +0100
@@ -275,7 +275,7 @@ extern isc_boolean_t validated;
extern isc_taskmgr_t *taskmgr;
extern isc_task_t *global_task;
extern isc_boolean_t free_now;
-extern isc_boolean_t debugging, memdebugging;
+extern isc_boolean_t debugging, debugtiming, memdebugging;
extern char *progname;
extern int tries;
diff -up bind-9.9.4/lib/isc/include/isc/namespace.h.send_buffers bind-9.9.4/lib/isc/include/isc/namespace.h
--- bind-9.9.4/lib/isc/include/isc/namespace.h.send_buffers 2013-09-05 07:09:08.000000000 +0200
+++ bind-9.9.4/lib/isc/include/isc/namespace.h 2013-10-31 14:22:20.328811669 +0100
@@ -106,6 +106,7 @@
#define isc_socket_sendv isc__socket_sendv
#define isc_socket_sendtov isc__socket_sendtov
#define isc_socket_sendto2 isc__socket_sendto2
+#define isc_socket_sendtov2 isc__socket_sendtov2
#define isc_socket_cleanunix isc__socket_cleanunix
#define isc_socket_permunix isc__socket_permunix
#define isc_socket_bind isc__socket_bind
diff -up bind-9.9.4/lib/isc/include/isc/socket.h.send_buffers bind-9.9.4/lib/isc/include/isc/socket.h
--- bind-9.9.4/lib/isc/include/isc/socket.h.send_buffers 2013-09-05 07:09:08.000000000 +0200
+++ bind-9.9.4/lib/isc/include/isc/socket.h 2013-10-31 14:22:20.328811669 +0100
@@ -866,6 +866,11 @@ isc_socket_sendtov(isc_socket_t *sock, i
isc_task_t *task, isc_taskaction_t action, const void *arg,
isc_sockaddr_t *address, struct in6_pktinfo *pktinfo);
isc_result_t
+isc_socket_sendtov2(isc_socket_t *sock, isc_bufferlist_t *buflist,
+ isc_task_t *task, isc_taskaction_t action, const void *arg,
+ isc_sockaddr_t *address, struct in6_pktinfo *pktinfo,
+ unsigned int flags);
+isc_result_t
isc_socket_sendto2(isc_socket_t *sock, isc_region_t *region,
isc_task_t *task,
isc_sockaddr_t *address, struct in6_pktinfo *pktinfo,
diff -up bind-9.9.4/lib/isc/unix/socket.c.send_buffers bind-9.9.4/lib/isc/unix/socket.c
--- bind-9.9.4/lib/isc/unix/socket.c.send_buffers 2013-10-31 14:22:20.293811608 +0100
+++ bind-9.9.4/lib/isc/unix/socket.c 2013-10-31 14:22:20.330811673 +0100
@@ -510,6 +510,11 @@ isc__socket_sendtov(isc_socket_t *sock,
isc_task_t *task, isc_taskaction_t action, const void *arg,
isc_sockaddr_t *address, struct in6_pktinfo *pktinfo);
ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_sendtov2(isc_socket_t *sock, isc_bufferlist_t *buflist,
+ isc_task_t *task, isc_taskaction_t action, const void *arg,
+ isc_sockaddr_t *address, struct in6_pktinfo *pktinfo,
+ unsigned int flags);
+ISC_SOCKETFUNC_SCOPE isc_result_t
isc__socket_sendto2(isc_socket_t *sock, isc_region_t *region,
isc_task_t *task,
isc_sockaddr_t *address, struct in6_pktinfo *pktinfo,
@@ -4796,15 +4801,25 @@ ISC_SOCKETFUNC_SCOPE isc_result_t
isc__socket_sendv(isc_socket_t *sock, isc_bufferlist_t *buflist,
isc_task_t *task, isc_taskaction_t action, const void *arg)
{
- return (isc__socket_sendtov(sock, buflist, task, action, arg, NULL,
- NULL));
+ return (isc__socket_sendtov2(sock, buflist, task, action, arg, NULL,
+ NULL, 0));
}
ISC_SOCKETFUNC_SCOPE isc_result_t
-isc__socket_sendtov(isc_socket_t *sock0, isc_bufferlist_t *buflist,
+isc__socket_sendtov(isc_socket_t *sock, isc_bufferlist_t *buflist,
isc_task_t *task, isc_taskaction_t action, const void *arg,
isc_sockaddr_t *address, struct in6_pktinfo *pktinfo)
{
+ return (isc__socket_sendtov2(sock, buflist, task, action, arg, address,
+ pktinfo, 0));
+}
+
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_sendtov2(isc_socket_t *sock0, isc_bufferlist_t *buflist,
+ isc_task_t *task, isc_taskaction_t action, const void *arg,
+ isc_sockaddr_t *address, struct in6_pktinfo *pktinfo,
+ unsigned int flags)
+{
isc__socket_t *sock = (isc__socket_t *)sock0;
isc_socketevent_t *dev;
isc__socketmgr_t *manager;
@@ -4837,7 +4852,7 @@ isc__socket_sendtov(isc_socket_t *sock0,
buffer = ISC_LIST_HEAD(*buflist);
}
- return (socket_send(sock, dev, task, address, pktinfo, 0));
+ return (socket_send(sock, dev, task, address, pktinfo, flags));
}
ISC_SOCKETFUNC_SCOPE isc_result_t