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changeset 1257:eb19245b94b6 draft

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An issue in ifconfig while verifying the HW Address, which is assumed to be of the format __C2:79:38:95:CD:AB__ but can be of form __C2:79:38:95:D:A__. In this case the HW address is reported as bad.
author Ashwini sharma <ak.ashwini1981@gmail.com>
date Sun, 13 Apr 2014 16:04:16 -0500
parents 2fe64bc16a61
children fd0a595f5486
files toys/other/ifconfig.c
diffstat 1 files changed, 1 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/toys/other/ifconfig.c	Sun Apr 13 15:58:20 2014 -0500
+++ b/toys/other/ifconfig.c	Sun Apr 13 16:04:16 2014 -0500
@@ -415,7 +415,7 @@
 
         if (*hw_addr == ':') hw_addr++;
         sscanf(hw_addr, "%2x%n", &val, &len);
-        if (len != 2) break;
+        if (!len || len > 2) break; // 1 nibble can be set e.g. C2:79:38:95:D:A 
         hw_addr += len;
         *p++ = val;
       }