r->pref = pref;
r->table = table;
r->flags = flags;
- r->uid_start = INVALID_UID;
- r->uid_end = INVALID_UID;
r->fr_net = hold_net(ops->fro_net);
/* The lock is not required here, the list in unreacheable
}
EXPORT_SYMBOL_GPL(fib_rules_unregister);
-static inline kuid_t fib_nl_uid(struct nlattr *nla)
-{
- return make_kuid(current_user_ns(), nla_get_u32(nla));
-}
-
-static int nla_put_uid(struct sk_buff *skb, int idx, kuid_t uid)
-{
- return nla_put_u32(skb, idx, from_kuid_munged(current_user_ns(), uid));
-}
-
-static int fib_uid_range_match(struct flowi *fl, struct fib_rule *rule)
-{
- return (!uid_valid(rule->uid_start) && !uid_valid(rule->uid_end)) ||
- (uid_gte(fl->flowi_uid, rule->uid_start) &&
- uid_lte(fl->flowi_uid, rule->uid_end));
-}
-
static int fib_rule_match(struct fib_rule *rule, struct fib_rules_ops *ops,
struct flowi *fl, int flags)
{
if ((rule->mark ^ fl->flowi_mark) & rule->mark_mask)
goto out;
- if (!fib_uid_range_match(fl, rule))
- goto out;
-
ret = ops->match(rule, fl, flags);
out:
return (rule->flags & FIB_RULE_INVERT) ? !ret : ret;
} else if (rule->action == FR_ACT_GOTO)
goto errout_free;
- /* UID start and end must either both be valid or both unspecified. */
- rule->uid_start = rule->uid_end = INVALID_UID;
- if (tb[FRA_UID_START] || tb[FRA_UID_END]) {
- if (tb[FRA_UID_START] && tb[FRA_UID_END]) {
- rule->uid_start = fib_nl_uid(tb[FRA_UID_START]);
- rule->uid_end = fib_nl_uid(tb[FRA_UID_END]);
- }
- if (!uid_valid(rule->uid_start) ||
- !uid_valid(rule->uid_end) ||
- !uid_lte(rule->uid_start, rule->uid_end))
- goto errout_free;
- }
-
err = ops->configure(rule, skb, frh, tb);
if (err < 0)
goto errout_free;
(rule->mark_mask != nla_get_u32(tb[FRA_FWMASK])))
continue;
- if (tb[FRA_UID_START] &&
- !uid_eq(rule->uid_start, fib_nl_uid(tb[FRA_UID_START])))
- continue;
-
- if (tb[FRA_UID_END] &&
- !uid_eq(rule->uid_end, fib_nl_uid(tb[FRA_UID_END])))
- continue;
-
if (!ops->compare(rule, frh, tb))
continue;
+ nla_total_size(4) /* FRA_PRIORITY */
+ nla_total_size(4) /* FRA_TABLE */
+ nla_total_size(4) /* FRA_FWMARK */
- + nla_total_size(4) /* FRA_FWMASK */
- + nla_total_size(4) /* FRA_UID_START */
- + nla_total_size(4); /* FRA_UID_END */
+ + nla_total_size(4); /* FRA_FWMASK */
if (ops->nlmsg_payload)
payload += ops->nlmsg_payload(rule);
((rule->mark_mask || rule->mark) &&
nla_put_u32(skb, FRA_FWMASK, rule->mark_mask)) ||
(rule->target &&
- nla_put_u32(skb, FRA_GOTO, rule->target)) ||
- (uid_valid(rule->uid_start) &&
- nla_put_uid(skb, FRA_UID_START, rule->uid_start)) ||
- (uid_valid(rule->uid_end) &&
- nla_put_uid(skb, FRA_UID_END, rule->uid_end)))
+ nla_put_u32(skb, FRA_GOTO, rule->target)))
goto nla_put_failure;
if (ops->fill(rule, skb, frh) < 0)
goto nla_put_failure;