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config: limit ra_mtu to 65535
[project/odhcpd.git]
/
src
/
config.c
diff --git
a/src/config.c
b/src/config.c
index
979603c
..
fd334ef
100644
(file)
--- a/
src/config.c
+++ b/
src/config.c
@@
-621,9
+621,11
@@
int config_parse_interface(void *data, size_t len, const char *name, bool overwr
}
if ((c = tb[IFACE_ATTR_RA_MTU])) {
}
if ((c = tb[IFACE_ATTR_RA_MTU])) {
-
iface->
ra_mtu = blobmsg_get_u32(c);
- if (
iface->ra_mtu < 1280
)
+
uint32_t
ra_mtu = blobmsg_get_u32(c);
+ if (
ra_mtu < 1280 || ra_mtu > 65535
)
goto err;
goto err;
+
+ iface->ra_mtu = ra_mtu;
}
if ((c = tb[IFACE_ATTR_RA_OFFLINK]))
}
if ((c = tb[IFACE_ATTR_RA_OFFLINK]))