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Bug 746

Summary: ifconfig does something stupid.
Product: [Retired] Red Hat Linux Reporter: Peter Jones <pjones>
Component: net-toolsAssignee: Crutcher Dunnavant <crutcher>
Status: CLOSED CURRENTRELEASE QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: 5.2   
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 1999-01-12 14:10:35 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Peter Jones 1999-01-08 21:44:18 UTC
fuzzball:~$ /sbin/ifconfig 1234567890123456
1234567890123456=4`@q?H#: unknown interface.

Here's the diff to fix it:

--- ifconfig.c       Fri Jan  8 16:39:25 1999
+++ ifconfig.c  Fri Jan  8 16:40:44 1999
@@ -496,7 +496,8 @@

   /* No. Fetch the interface name. */
   spp = argv;
-  strncpy(ifr.ifr_name, *spp++, IFNAMSIZ);
+  strncpy(ifr.ifr_name, *spp++, IFNAMSIZ-1);
+  ifr.ifr_name[IFNAMSIZ-1]=0;
   if (*spp == (char *)NULL) {
     if_print(ifr.ifr_name);
     (void) close(skfd);

Comment 1 David Lawrence 1999-01-08 23:14:59 UTC
This has been verified to act as the user reports. It is being
assigned to a developer.

Comment 2 Jeff Johnson 1999-01-12 14:10:59 UTC
Already fixed in net-tools-1.49-2.