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| author | Johannes Berg <johannes.berg@intel.com> | 2019-05-28 10:56:03 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2019-06-14 14:12:01 +0200 |
| commit | 901bb9891855164fdcfcfdd9c3d25bcc800d3f5b (patch) | |
| tree | 74e0821a522ebb1f5bee4cb8df8705dd1a4442f3 /include/net/netlink.h | |
| parent | d7edf40c15e85b44c4bef146819b664089b827b1 (diff) | |
| download | linux-901bb9891855164fdcfcfdd9c3d25bcc800d3f5b.tar.bz2 | |
nl80211: require and validate vendor command policy
Require that each vendor command give a policy of its sub-attributes
in NL80211_ATTR_VENDOR_DATA, and then (stricly) check the contents,
including the NLA_F_NESTED flag that we couldn't check on the outer
layer because there we don't know yet.
It is possible to use VENDOR_CMD_RAW_DATA for raw data, but then no
nested data can be given (NLA_F_NESTED flag must be clear) and the
data is just passed as is to the command.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/net/netlink.h')
| -rw-r--r-- | include/net/netlink.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/net/netlink.h b/include/net/netlink.h index 395b4406f4b0..28ece67f5312 100644 --- a/include/net/netlink.h +++ b/include/net/netlink.h @@ -1755,6 +1755,15 @@ static inline int __nla_validate_nested(const struct nlattr *start, int maxtype, } static inline int +nl80211_validate_nested(const struct nlattr *start, int maxtype, + const struct nla_policy *policy, + struct netlink_ext_ack *extack) +{ + return __nla_validate_nested(start, maxtype, policy, + NL_VALIDATE_STRICT, extack); +} + +static inline int nla_validate_nested_deprecated(const struct nlattr *start, int maxtype, const struct nla_policy *policy, struct netlink_ext_ack *extack) |