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Code Issues Releases Wiki Activity

2375. [security] Fully randomize UDP query ports to improve

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forgery resilience. [RT #17949, #18098]
This commit is contained in:
Tatuya JINMEI 神明達哉
2008-06-23 19:41:20 +00:00
parent 40976ef802
commit 386d3a99c1
26 changed files with 3403 additions and 1553 deletions
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15
lib/isc/unix/app.c
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@@ -15,7 +15,7 @@
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: app.c,v 1.57 2008/01/18 23:46:58 tbox Exp $ */
/* $Id: app.c,v 1.58 2008/06/23 19:41:19 jinmei Exp $ */
/*! \file */
@@ -30,6 +30,9 @@
#include <unistd.h>
#include <signal.h>
#include <sys/time.h>
#ifdef HAVE_EPOLL
#include <sys/epoll.h>
#endif
#include <isc/app.h>
#include <isc/boolean.h>
@@ -303,8 +306,7 @@ evloop() {
int n;
isc_time_t when, now;
struct timeval tv, *tvp;
fd_set readfds, writefds;
int maxfd;
isc_socketwait_t *swait;
isc_boolean_t readytasks;
isc_boolean_t call_timer_dispatch = ISC_FALSE;
@@ -331,8 +333,8 @@ evloop() {
}
}
isc__socketmgr_getfdsets(&readfds, &writefds, &maxfd);
n = select(maxfd, &readfds, &writefds, NULL, tvp);
swait = NULL;
n = isc__socketmgr_waitevents(tvp, &swait);
if (n == 0 || call_timer_dispatch) {
/*
@@ -352,8 +354,7 @@ evloop() {
isc__timermgr_dispatch();
}
if (n > 0)
(void)isc__socketmgr_dispatch(&readfds, &writefds,
maxfd);
(void)isc__socketmgr_dispatch(swait);
(void)isc__taskmgr_dispatch();
if (want_reload) {