Changeset 23203 in vbox for trunk/src/VBox/Main

Timestamp:

Sep 22, 2009 6:13:09 AM (15 years ago)

Author:

vboxsync

Message:

Main/NetIf-linux: don't crash VBoxSVC if /proc/net/route couldn't be opened

File:

• trunk/src/VBox/Main/linux/NetIf-linux.cpp (modified) (1 diff)

trunk/src/VBox/Main/linux/NetIf-linux.cpp

@@ -53 +53 @@
     int  iFlags;
 
-    while (fgets(szBuf, sizeof(szBuf)-1, fp))
-    {
-        int n = sscanf(szBuf, "%16s %128s %128s %X %d %d %d %128s %d %d %d\n",
-                   szIfName, szAddr, szGateway, &iFlags, &iTmp, &iTmp, &iTmp,
-                   szMask, &iTmp, &iTmp, &iTmp);
-        if (n < 10 || !(iFlags & RTF_UP))
-            continue;
-
-        if (strcmp(szAddr, "00000000") == 0 && strcmp(szMask, "00000000") == 0)
-        {
-            fclose(fp);
-            strncpy(pszName, szIfName, 16);
-            pszName[16] = 0;
-            return VINF_SUCCESS;
+    if (fp)
+    {
+        while (fgets(szBuf, sizeof(szBuf)-1, fp))
+        {
+            int n = sscanf(szBuf, "%16s %128s %128s %X %d %d %d %128s %d %d %d\n",
+                           szIfName, szAddr, szGateway, &iFlags, &iTmp, &iTmp, &iTmp,
+                           szMask, &iTmp, &iTmp, &iTmp);
+            if (n < 10 || !(iFlags & RTF_UP))
+                continue;
+
+            if (strcmp(szAddr, "00000000") == 0 && strcmp(szMask, "00000000") == 0)
+            {
+                fclose(fp);
+                strncpy(pszName, szIfName, 16);
+                pszName[16] = 0;
+                return VINF_SUCCESS;
+            }
         }
     }