[lib] CID #3, fix forward-null errors in vty_prefix_list_uninstall
2006-05-12 Paul Jakma <paul.jakma@sun.com>
* plist.c: (vty_prefix_list_uninstall) Fix potential NULL deref
of prefix and typestr strings, Coverity CID #3.
diff --git a/lib/plist.c b/lib/plist.c
index 83c5aa0..6caece0 100644
--- a/lib/plist.c
+++ b/lib/plist.c
@@ -804,6 +804,13 @@
return CMD_SUCCESS;
}
+ /* We must have, at a minimum, both the type and prefix here */
+ if ((typestr == NULL) || (prefix == NULL))
+ {
+ vty_out (vty, "%% Both prefix and type required%s", VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+
/* Check sequence number. */
if (seq)
seqnum = atoi (seq);