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Date: Thu, 20 Aug 2015 03:03:09 +0200
From: Sebastian Gottschall <s.gottschall@...wrt.com>
To: musl@...ts.openwall.com
Subject: curious file access problem
Hello Guys
can someone explain why a file read operation on /proc/net/route will
return everything but the default gateway?
this happens only with musl and does for sure affect the command "route"
in busybox
here a short example of this curiosity
strings does not print the default gateway.
cat does print it with default gateway
root@...WRT:~# strings /proc/net/route
Iface Destination Gateway Flags RefCnt Use Metric
Mask MTU Window IRTT
ath1 00C1580A 00000000 0001 0 0 0
00FFFFFF 0 0 0
lo 0000007F 00000000 0001 0 0 0
000000FF 0 0 0
br0 0000FEA9 00000000 0001 0 0 0
0000FFFF 0 0 0
br0 0001A8C0 00000000 0001 0 0 0
00FFFFFF 0 0 0
root@...WRT:~# cat /proc/net/route
Iface Destination Gateway Flags RefCnt Use Metric
Mask MTU Window IRTT
ath1 00000000 01C1580A 0003 0 0 0
00000000 0 0 0
ath1 00C1580A 00000000 0001 0 0 0
00FFFFFF 0 0 0
lo 0000007F 00000000 0001 0 0 0
000000FF 0 0 0
br0 0000FEA9 00000000 0001 0 0 0
0000FFFF 0 0 0
br0 0001A8C0 00000000 0001 0 0 0
00FFFFFF 0 0 0
Sebastian
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