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2007-07-31 Joel Sherrill <joel.sherrill@OARcorp.com>

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PR 1248/networking
	* libnetworking/rtems/rtems_glue.c: Luke Stras <luke@spacequest.com>
	reported that when no interfaces are successfully attached, the
	default route is broken and may result in a jump to an illegal
	address.
This commit is contained in:
Joel Sherrill
2007-08-01 00:44:05 +00:00
parent 8661209e6e
commit 51b6226c25
2 changed files with 13 additions and 1 deletions
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8
cpukit/ChangeLog
View File

@@ -1,3 +1,11 @@
2007-07-31 Joel Sherrill <joel.sherrill@OARcorp.com>
PR 1248/networking
* libnetworking/rtems/rtems_glue.c: Luke Stras <luke@spacequest.com>
reported that when no interfaces are successfully attached, the
default route is broken and may result in a jump to an illegal
address.
2007-07-31 Ralf Corsépius <ralf.corsepius@rtems.org> 2007-07-31 Ralf Corsépius <ralf.corsepius@rtems.org>
* score/inline/rtems/score/priority.inl: Use size_t instead of * score/inline/rtems/score/priority.inl: Use size_t instead of

6
cpukit/libnetworking/rtems/rtems_glue.c
View File

@@ -807,6 +807,7 @@ rtems_bsdnet_setup (void)
struct sockaddr_in broadcast; struct sockaddr_in broadcast;
struct sockaddr_in gateway; struct sockaddr_in gateway;
int i; int i;
int any_if_configured = 0;
/* /*
* Set local parameters * Set local parameters
@@ -883,6 +884,9 @@ rtems_bsdnet_setup (void)
printf ("Can't read %s flags: %s\n", ifp->name, strerror (errno)); printf ("Can't read %s flags: %s\n", ifp->name, strerror (errno));
continue; continue;
} }
any_if_configured = 1;
if (flags & IFF_BROADCAST) { if (flags & IFF_BROADCAST) {
memset (&broadcast, '\0', sizeof broadcast); memset (&broadcast, '\0', sizeof broadcast);
broadcast.sin_len = sizeof broadcast; broadcast.sin_len = sizeof broadcast;
@@ -904,7 +908,7 @@ rtems_bsdnet_setup (void)
/* /*
* Set default route * Set default route
*/ */
if (rtems_bsdnet_config.gateway) { if (rtems_bsdnet_config.gateway && any_if_configured) {
address.sin_addr.s_addr = INADDR_ANY; address.sin_addr.s_addr = INADDR_ANY;
netmask.sin_addr.s_addr = INADDR_ANY; netmask.sin_addr.s_addr = INADDR_ANY;
memset (&gateway, '\0', sizeof gateway); memset (&gateway, '\0', sizeof gateway);