Package: iproute
Version: 20090324-1
Severity: normal
Tags: patch
The command "ip mroute show" will only show the first Oif.
m...@flappie:~$ ip mroute show
(192.168.1.1, 224.0.0.123) Iif: _rename Oifs: eth1
m...@flappie:~$ cat /proc/net/ip_mr_cache
Group Origin Iif Pkts Bytes Wrong Oifs
7B0000E0 0101A8C0 2 0 0 0 0:1 1:1
This shows 2 Oifs here. However, ipmroute.c, function read_mroute_list(), uses
sscanf() with a %s mask for oiflist, which stops after the first whitespace
(i.e. after Oif 0:1). The patch below fixes this to read until the newline
(though I'm not sure whether this is the proper way to fix it).
After this patch:
m...@flappie:~/iproute-20090324/ip$ ./ip mroute show
(192.168.1.1, 224.0.0.123) Iif: _rename Oifs: eth1 eth0
diff -rc iproute-20090324-origdeb/ip/ipmroute.c iproute-20090324/ip/ipmroute.c
*** iproute-20090324-origdeb/ip/ipmroute.c 2009-10-07 17:21:00.000000000
+0200
--- iproute-20090324/ip/ipmroute.c 2009-10-07 17:34:01.000000000 +0200
***************
*** 95,101 ****
char obuf[256];
oiflist[0] = 0;
! if (sscanf(buf, "%x%x%d%u%u%u%s", maddr.data, msrc.data, &vifi,
&pkts, &b, &w, oiflist) < 6)
continue;
--- 95,101 ----
char obuf[256];
oiflist[0] = 0;
! if (sscanf(buf, "%x%x%d%u%u%u%[^\n]", maddr.data, msrc.data,
&vifi,
&pkts, &b, &w, oiflist) < 6)
continue;
-- System Information:
Debian Release: squeeze/sid
APT prefers unstable
APT policy: (500, 'unstable'), (500, 'testing'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.30-2-686 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages iproute depends on:
ii libc6 2.9-27 GNU C Library: Shared libraries
ii libdb4.7 4.7.25-8 Berkeley v4.7 Database Libraries [
Versions of packages iproute recommends:
ii libatm1 2.4.1-17.2 shared library for ATM (Asynchrono
Versions of packages iproute suggests:
pn iproute-doc <none> (no description available)
-- no debconf information
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