Changeset 4326

Timestamp:

Jan 22, 2013 3:39:34 AM (12 years ago)

Author:

ming

Message:

Fixed #1613: Use appropriate request for ioctl() function to access the interface flags

File:

• pjproject/trunk/pjlib/src/pj/ip_helper_generic.c (modified) (3 diffs)

pjproject/trunk/pjlib/src/pj/ip_helper_generic.c

@@ -178 +178 @@
     for (i=0; i<count; ++i) {
         struct ifreq *itf = &ifr[i];
+        struct ifreq iff;
         struct sockaddr *ad = &itf->ifr_addr;
         
@@ -189 +190 @@
         }
 
-        if ((itf->ifr_flags & IFF_UP)==0) {
+        if ((rc=ioctl(sock, SIOCGIFFLAGS, &iff)) != 0) {
+            TRACE_((THIS_FILE, "  ioctl(SIOCGIFFLAGS) failed: %s",
+                    get_os_errmsg()));
+            continue;   /* Failed to get flags, continue */
+        }
+
+        if ((iff.ifr_flags & IFF_UP)==0) {
             TRACE_((THIS_FILE, "  interface is down"));
             continue; /* Skip when interface is down */
@@ -195 +202 @@
 
 #if PJ_IP_HELPER_IGNORE_LOOPBACK_IF
-        if (itf->ifr_flags & IFF_LOOPBACK) {
+        if (iff.ifr_flags & IFF_LOOPBACK) {
             TRACE_((THIS_FILE, "  loopback interface"));
             continue; /* Skip loopback interface */