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author | Denys Vlasenko | 2014-01-13 13:38:53 +0100 |
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committer | Denys Vlasenko | 2014-01-13 13:38:53 +0100 |
commit | 2e66daca654d130b820a4f0498de7f0ec355039a (patch) | |
tree | bbc54616cb4b0ed75205a1f812982cfe7f13cc30 /examples/udhcp/sample.bound | |
parent | d74f8435ea7479fe558efa63c2ecc9aed5662db2 (diff) | |
download | busybox-2e66daca654d130b820a4f0498de7f0ec355039a.zip busybox-2e66daca654d130b820a4f0498de7f0ec355039a.tar.gz |
examples/udhcp: do not rewrite resolv.conf if no DNS servers. Closes 6788
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'examples/udhcp/sample.bound')
-rwxr-xr-x | examples/udhcp/sample.bound | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/examples/udhcp/sample.bound b/examples/udhcp/sample.bound index bd3569c..7c9d857 100755 --- a/examples/udhcp/sample.bound +++ b/examples/udhcp/sample.bound @@ -22,10 +22,14 @@ then done fi -echo -n > $RESOLV_CONF -[ -n "$domain" ] && echo domain $domain >> $RESOLV_CONF -for i in $dns -do - echo adding dns $i - echo nameserver $i >> $RESOLV_CONF -done +# Only replace resolv.conf is we have at least one DNS server +if [ -n "$dns" ] +then + echo -n > $RESOLV_CONF + [ -n "$domain" ] && echo domain $domain >> $RESOLV_CONF + for i in $dns + do + echo adding dns $i + echo nameserver $i >> $RESOLV_CONF + done +fi |