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netifd: relax check in dhcp proto handler

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Checking whether /sbin/udhcpc is a symbolic link breaks using the
DHCP proto handler inside procd-ujail where bind-mounts are used for
the resolved link. Check whether /sbin/udhcpc is executable instead
to allow using the proto handler for DHCP-provisioned containers.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit c5f113c43f)
This commit is contained in:
Daniel Golle
2022-04-13 16:51:58 +01:00
parent 7cd482662f
commit 7ea412ef5a
1 changed files with 1 additions and 1 deletions
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package/network/config/netifd/files/lib/netifd/proto/dhcp.sh
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@@ -1,6 +1,6 @@
#!/bin/sh
[ -L /sbin/udhcpc ] || exit 0
[ -x /sbin/udhcpc ] || exit 0
. /lib/functions.sh
. ../netifd-proto.sh