diff options
Diffstat (limited to 'net/ipv4/inet_connection_sock.c')
-rw-r--r-- | net/ipv4/inet_connection_sock.c | 42 |
1 files changed, 15 insertions, 27 deletions
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 6906bedad19a..1e2df51427fe 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -168,7 +168,7 @@ static bool inet_use_bhash2_on_bind(const struct sock *sk) } static bool inet_bind_conflict(const struct sock *sk, struct sock *sk2, - kuid_t sk_uid, bool relax, + kuid_t uid, bool relax, bool reuseport_cb_ok, bool reuseport_ok) { int bound_dev_if2; @@ -185,12 +185,12 @@ static bool inet_bind_conflict(const struct sock *sk, struct sock *sk2, if (!relax || (!reuseport_ok && sk->sk_reuseport && sk2->sk_reuseport && reuseport_cb_ok && (sk2->sk_state == TCP_TIME_WAIT || - uid_eq(sk_uid, sock_i_uid(sk2))))) + uid_eq(uid, sk_uid(sk2))))) return true; } else if (!reuseport_ok || !sk->sk_reuseport || !sk2->sk_reuseport || !reuseport_cb_ok || (sk2->sk_state != TCP_TIME_WAIT && - !uid_eq(sk_uid, sock_i_uid(sk2)))) { + !uid_eq(uid, sk_uid(sk2)))) { return true; } } @@ -198,7 +198,7 @@ static bool inet_bind_conflict(const struct sock *sk, struct sock *sk2, } static bool __inet_bhash2_conflict(const struct sock *sk, struct sock *sk2, - kuid_t sk_uid, bool relax, + kuid_t uid, bool relax, bool reuseport_cb_ok, bool reuseport_ok) { if (ipv6_only_sock(sk2)) { @@ -211,20 +211,20 @@ static bool __inet_bhash2_conflict(const struct sock *sk, struct sock *sk2, #endif } - return inet_bind_conflict(sk, sk2, sk_uid, relax, + return inet_bind_conflict(sk, sk2, uid, relax, reuseport_cb_ok, reuseport_ok); } static bool inet_bhash2_conflict(const struct sock *sk, const struct inet_bind2_bucket *tb2, - kuid_t sk_uid, + kuid_t uid, bool relax, bool reuseport_cb_ok, bool reuseport_ok) { struct sock *sk2; sk_for_each_bound(sk2, &tb2->owners) { - if (__inet_bhash2_conflict(sk, sk2, sk_uid, relax, + if (__inet_bhash2_conflict(sk, sk2, uid, relax, reuseport_cb_ok, reuseport_ok)) return true; } @@ -242,8 +242,8 @@ static int inet_csk_bind_conflict(const struct sock *sk, const struct inet_bind2_bucket *tb2, /* may be null */ bool relax, bool reuseport_ok) { - kuid_t uid = sock_i_uid((struct sock *)sk); struct sock_reuseport *reuseport_cb; + kuid_t uid = sk_uid(sk); bool reuseport_cb_ok; struct sock *sk2; @@ -287,11 +287,11 @@ static int inet_csk_bind_conflict(const struct sock *sk, static bool inet_bhash2_addr_any_conflict(const struct sock *sk, int port, int l3mdev, bool relax, bool reuseport_ok) { - kuid_t uid = sock_i_uid((struct sock *)sk); const struct net *net = sock_net(sk); struct sock_reuseport *reuseport_cb; struct inet_bind_hashbucket *head2; struct inet_bind2_bucket *tb2; + kuid_t uid = sk_uid(sk); bool conflict = false; bool reuseport_cb_ok; @@ -425,15 +425,13 @@ success: static inline int sk_reuseport_match(struct inet_bind_bucket *tb, struct sock *sk) { - kuid_t uid = sock_i_uid(sk); - if (tb->fastreuseport <= 0) return 0; if (!sk->sk_reuseport) return 0; if (rcu_access_pointer(sk->sk_reuseport_cb)) return 0; - if (!uid_eq(tb->fastuid, uid)) + if (!uid_eq(tb->fastuid, sk_uid(sk))) return 0; /* We only need to check the rcv_saddr if this tb was once marked * without fastreuseport and then was reset, as we can only know that @@ -458,14 +456,13 @@ static inline int sk_reuseport_match(struct inet_bind_bucket *tb, void inet_csk_update_fastreuse(struct inet_bind_bucket *tb, struct sock *sk) { - kuid_t uid = sock_i_uid(sk); bool reuse = sk->sk_reuse && sk->sk_state != TCP_LISTEN; if (hlist_empty(&tb->bhash2)) { tb->fastreuse = reuse; if (sk->sk_reuseport) { tb->fastreuseport = FASTREUSEPORT_ANY; - tb->fastuid = uid; + tb->fastuid = sk_uid(sk); tb->fast_rcv_saddr = sk->sk_rcv_saddr; tb->fast_ipv6_only = ipv6_only_sock(sk); tb->fast_sk_family = sk->sk_family; @@ -492,7 +489,7 @@ void inet_csk_update_fastreuse(struct inet_bind_bucket *tb, */ if (!sk_reuseport_match(tb, sk)) { tb->fastreuseport = FASTREUSEPORT_STRICT; - tb->fastuid = uid; + tb->fastuid = sk_uid(sk); tb->fast_rcv_saddr = sk->sk_rcv_saddr; tb->fast_ipv6_only = ipv6_only_sock(sk); tb->fast_sk_family = sk->sk_family; @@ -812,7 +809,7 @@ struct dst_entry *inet_csk_route_req(const struct sock *sk, sk->sk_protocol, inet_sk_flowi_flags(sk), (opt && opt->opt.srr) ? opt->opt.faddr : ireq->ir_rmt_addr, ireq->ir_loc_addr, ireq->ir_rmt_port, - htons(ireq->ir_num), sk->sk_uid); + htons(ireq->ir_num), sk_uid(sk)); security_req_classify_flow(req, flowi4_to_flowi_common(fl4)); rt = ip_route_output_flow(net, fl4, sk); if (IS_ERR(rt)) @@ -849,7 +846,7 @@ struct dst_entry *inet_csk_route_child_sock(const struct sock *sk, sk->sk_protocol, inet_sk_flowi_flags(sk), (opt && opt->opt.srr) ? opt->opt.faddr : ireq->ir_rmt_addr, ireq->ir_loc_addr, ireq->ir_rmt_port, - htons(ireq->ir_num), sk->sk_uid); + htons(ireq->ir_num), sk_uid(sk)); security_req_classify_flow(req, flowi4_to_flowi_common(fl4)); rt = ip_route_output_flow(net, fl4, sk); if (IS_ERR(rt)) @@ -887,15 +884,6 @@ static void syn_ack_recalc(struct request_sock *req, req->num_timeout >= rskq_defer_accept - 1; } -int inet_rtx_syn_ack(const struct sock *parent, struct request_sock *req) -{ - int err = req->rsk_ops->rtx_syn_ack(parent, req); - - if (!err) - req->num_retrans++; - return err; -} - static struct request_sock * reqsk_alloc_noprof(const struct request_sock_ops *ops, struct sock *sk_listener, bool attach_listener) @@ -1135,7 +1123,7 @@ static void reqsk_timer_handler(struct timer_list *t) req->rsk_ops->syn_ack_timeout(req); if (!expire && (!resend || - !inet_rtx_syn_ack(sk_listener, req) || + !tcp_rtx_synack(sk_listener, req) || inet_rsk(req)->acked)) { if (req->num_timeout++ == 0) atomic_dec(&queue->young); |