diff options
Diffstat (limited to 'net/sctp/socket.c')
| -rw-r--r-- | net/sctp/socket.c | 51 |
1 files changed, 35 insertions, 16 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 1b4593b842b0..ce620e878538 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -1084,7 +1084,7 @@ out: */ static int __sctp_connect(struct sock *sk, struct sockaddr *kaddrs, - int addrs_size, + int addrs_size, int flags, sctp_assoc_t *assoc_id) { struct net *net = sock_net(sk); @@ -1102,7 +1102,6 @@ static int __sctp_connect(struct sock *sk, union sctp_addr *sa_addr = NULL; void *addr_buf; unsigned short port; - unsigned int f_flags = 0; sp = sctp_sk(sk); ep = sp->ep; @@ -1252,13 +1251,7 @@ static int __sctp_connect(struct sock *sk, sp->pf->to_sk_daddr(sa_addr, sk); sk->sk_err = 0; - /* in-kernel sockets don't generally have a file allocated to them - * if all they do is call sock_create_kern(). - */ - if (sk->sk_socket->file) - f_flags = sk->sk_socket->file->f_flags; - - timeo = sock_sndtimeo(sk, f_flags & O_NONBLOCK); + timeo = sock_sndtimeo(sk, flags & O_NONBLOCK); if (assoc_id) *assoc_id = asoc->assoc_id; @@ -1346,7 +1339,7 @@ static int __sctp_setsockopt_connectx(struct sock *sk, sctp_assoc_t *assoc_id) { struct sockaddr *kaddrs; - int err = 0; + int err = 0, flags = 0; pr_debug("%s: sk:%p addrs:%p addrs_size:%d\n", __func__, sk, addrs, addrs_size); @@ -1365,7 +1358,13 @@ static int __sctp_setsockopt_connectx(struct sock *sk, if (err) goto out_free; - err = __sctp_connect(sk, kaddrs, addrs_size, assoc_id); + /* in-kernel sockets don't generally have a file allocated to them + * if all they do is call sock_create_kern(). + */ + if (sk->sk_socket->file) + flags = sk->sk_socket->file->f_flags; + + err = __sctp_connect(sk, kaddrs, addrs_size, flags, assoc_id); out_free: kvfree(kaddrs); @@ -4392,16 +4391,26 @@ out_nounlock: * len: the size of the address. */ static int sctp_connect(struct sock *sk, struct sockaddr *addr, - int addr_len) + int addr_len, int flags) { - int err = 0; + struct inet_sock *inet = inet_sk(sk); struct sctp_af *af; + int err = 0; lock_sock(sk); pr_debug("%s: sk:%p, sockaddr:%p, addr_len:%d\n", __func__, sk, addr, addr_len); + /* We may need to bind the socket. */ + if (!inet->inet_num) { + if (sk->sk_prot->get_port(sk, 0)) { + release_sock(sk); + return -EAGAIN; + } + inet->inet_sport = htons(inet->inet_num); + } + /* Validate addr_len before calling common connect/connectx routine. */ af = sctp_get_af_specific(addr->sa_family); if (!af || addr_len < af->sockaddr_len) { @@ -4410,13 +4419,25 @@ static int sctp_connect(struct sock *sk, struct sockaddr *addr, /* Pass correct addr len to common routine (so it knows there * is only one address being passed. */ - err = __sctp_connect(sk, addr, af->sockaddr_len, NULL); + err = __sctp_connect(sk, addr, af->sockaddr_len, flags, NULL); } release_sock(sk); return err; } +int sctp_inet_connect(struct socket *sock, struct sockaddr *uaddr, + int addr_len, int flags) +{ + if (addr_len < sizeof(uaddr->sa_family)) + return -EINVAL; + + if (uaddr->sa_family == AF_UNSPEC) + return -EOPNOTSUPP; + + return sctp_connect(sock->sk, uaddr, addr_len, flags); +} + /* FIXME: Write comments. */ static int sctp_disconnect(struct sock *sk, int flags) { @@ -8719,7 +8740,6 @@ struct proto sctp_prot = { .name = "SCTP", .owner = THIS_MODULE, .close = sctp_close, - .connect = sctp_connect, .disconnect = sctp_disconnect, .accept = sctp_accept, .ioctl = sctp_ioctl, @@ -8762,7 +8782,6 @@ struct proto sctpv6_prot = { .name = "SCTPv6", .owner = THIS_MODULE, .close = sctp_close, - .connect = sctp_connect, .disconnect = sctp_disconnect, .accept = sctp_accept, .ioctl = sctp_ioctl, |