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device: ensure simple action sdata is a NUL-terminated bytestring

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(cherry picked from commit 9639a176ff)
This commit is contained in:
Lubomir Rintel 2017-12-11 18:41:14 +01:00
parent 775893fc00
commit 35e86a0cef
1 changed files with 8 additions and 3 deletions
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11
src/devices/nm-device.c
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@ -5278,9 +5278,14 @@ tc_commit (NMDevice *self)
if (action) {
tfilter->action.kind = nm_tc_action_get_kind (action);
if (strcmp (tfilter->action.kind, "simple") == 0) {
strncpy (tfilter->action.simple.sdata,
g_variant_get_bytestring (nm_tc_action_get_attribute (action, "sdata")),
sizeof (tfilter->action.simple.sdata));
GVariant *sdata;
sdata = nm_tc_action_get_attribute (action, "sdata");
if (sdata && g_variant_is_of_type (sdata, G_VARIANT_TYPE_BYTESTRING)) {
g_strlcpy (tfilter->action.simple.sdata,
g_variant_get_bytestring (sdata),
sizeof (tfilter->action.simple.sdata));
}
}
}