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Don't do bindtodevice if --interface option not given.

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This commit is contained in:
Simon Kelley
2013-10-10 21:15:23 +01:00
parent c4cd95df68
commit 8584c502d3
1 changed files with 6 additions and 3 deletions
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9
src/dhcp-common.c
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@@ -453,14 +453,17 @@ void bindtodevice(int fd)
individual processes don't always see the packets they should. individual processes don't always see the packets they should.
SO_BINDTODEVICE is only available Linux. SO_BINDTODEVICE is only available Linux.
Note that if wildcards are used in --interface, or a configured interface doesn't Note that if wildcards are used in --interface, or --interface is not used at all,
yet exist, then more interfaces may arrive later, so we can't safely assert there or a configured interface doesn't yet exist, then more interfaces may arrive later,
is only one interface and proceed. so we can't safely assert there is only one interface and proceed.
*/ */
struct irec *iface, *found; struct irec *iface, *found;
struct iname *if_tmp; struct iname *if_tmp;
if (!daemon->if_names)
return;
for (if_tmp = daemon->if_names; if_tmp; if_tmp = if_tmp->next) for (if_tmp = daemon->if_names; if_tmp; if_tmp = if_tmp->next)
if (if_tmp->name && (!if_tmp->used || strchr(if_tmp->name, '*'))) if (if_tmp->name && (!if_tmp->used || strchr(if_tmp->name, '*')))
return; return;