net: core: add UID to flows, rules, and routes

[firefly-linux-kernel-4.4.55.git] / net / ipv6 / route.c

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 614e6a7718875e6c6323b763bcbe42f10be3eaf6..4bca900f629998ae405c0b6dcf97edede6f4ec83 100644 (file)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2686,6 +2686,7 @@ static const struct nla_policy rtm_ipv6_policy[RTA_MAX+1] = {
        [RTA_PREF]              = { .type = NLA_U8 },
        [RTA_ENCAP_TYPE]        = { .type = NLA_U16 },
        [RTA_ENCAP]             = { .type = NLA_NESTED },
+       [RTA_UID]               = { .type = NLA_U32 },
 };
 
 static int rtm_to_fib6_config(struct sk_buff *skb, struct nlmsghdr *nlh,
@@ -3249,6 +3250,12 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh)
        if (tb[RTA_MARK])
                fl6.flowi6_mark = nla_get_u32(tb[RTA_MARK]);
 
+       if (tb[RTA_UID])
+               fl6.flowi6_uid = make_kuid(current_user_ns(),
+                                          nla_get_u32(tb[RTA_UID]));
+       else
+               fl6.flowi6_uid = iif ? INVALID_UID : current_uid();
+
        if (iif) {
                struct net_device *dev;
                int flags = 0;