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insert only once

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Signed-off-by: Nico Schottelius <nico@ikn.schottelius.org>
This commit is contained in:
Nico Schottelius 2009-08-14 14:02:40 +02:00
commit 6a7dfe8cad
1 changed files with 5 additions and 1 deletions
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6
linux/workaround_CVE-2009-2692.sh
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@ -20,7 +20,11 @@
# Idea based on data from D-INFK ISG (www.isg.inf.ethz.ch) # Idea based on data from D-INFK ISG (www.isg.inf.ethz.ch)
# #
cat << eof >> /etc/modprobe.d/aliases string="# workaround for CVE-2009-2692"
file="/etc/modprobe.d/aliases"
grep "^$string" "$file" >/dev/null || cat << eof >> "$file"
$string
alias net-pf-10 off alias net-pf-10 off
alias ipv6 off alias ipv6 off
alias ib_ipoib off alias ib_ipoib off