diff options
Diffstat (limited to 'pfinet/linux-src/net/ipv4/af_inet.c')
| -rw-r--r-- | pfinet/linux-src/net/ipv4/af_inet.c | 116 |
1 files changed, 61 insertions, 55 deletions
diff --git a/pfinet/linux-src/net/ipv4/af_inet.c b/pfinet/linux-src/net/ipv4/af_inet.c index e37eb6bd..04e05107 100644 --- a/pfinet/linux-src/net/ipv4/af_inet.c +++ b/pfinet/linux-src/net/ipv4/af_inet.c @@ -23,10 +23,10 @@ * when accept() ed * Alan Cox : Semantics of SO_LINGER aren't state moved * to close when you look carefully. With - * this fixed and the accept bug fixed + * this fixed and the accept bug fixed * some RPC stuff seems happier. * Niibe Yutaka : 4.4BSD style write async I/O - * Alan Cox, + * Alan Cox, * Tony Gale : Fixed reuse semantics. * Alan Cox : bind() shouldn't abort existing but dead * sockets. Stops FTP netin:.. I hope. @@ -141,7 +141,7 @@ int (*rarp_ioctl_hook)(unsigned int,void*) = NULL; /* * Destroy an AF_INET socket */ - + static __inline__ void kill_sk_queues(struct sock *sk) { struct sk_buff *skb; @@ -177,12 +177,12 @@ static __inline__ void kill_sk_later(struct sock *sk) { /* this should never happen. */ /* actually it can if an ack has just been sent. */ - /* + /* * It's more normal than that... * It can happen because a skb is still in the device queues * [PR] */ - + NETDEBUG(printk(KERN_DEBUG "Socket destroy delayed (r=%d w=%d)\n", atomic_read(&sk->rmem_alloc), atomic_read(&sk->wmem_alloc))); @@ -223,12 +223,12 @@ void destroy_sock(struct sock *sk) * socket object. Mostly it punts to the subprotocols of IP to do * the work. */ - + /* * Set socket options on an inet socket. */ - + int inet_setsockopt(struct socket *sock, int level, int optname, char *optval, int optlen) { @@ -275,7 +275,7 @@ static int inet_autobind(struct sock *sk) /* * Move a socket into listening state. */ - + int inet_listen(struct socket *sock, int backlog) { struct sock *sk = sock->sk; @@ -330,7 +330,7 @@ static int inet_create(struct socket *sock, int protocol) /* Compatibility */ if (sock->type == SOCK_PACKET) { - static int warned; + static int warned; if (net_families[PF_PACKET]==NULL) { #if defined(CONFIG_KMOD) && defined(CONFIG_PACKET_MODULE) @@ -348,7 +348,7 @@ static int inet_create(struct socket *sock, int protocol) sock->state = SS_UNCONNECTED; sk = sk_alloc(PF_INET, GFP_KERNEL, 1); - if (sk == NULL) + if (sk == NULL) goto do_oom; switch (sock->type) { @@ -392,13 +392,13 @@ static int inet_create(struct socket *sock, int protocol) } sock_init_data(sock,sk); - + sk->destruct = NULL; sk->zapped=0; #ifdef CONFIG_TCP_NAGLE_OFF sk->nonagle = 1; -#endif +#endif sk->family = PF_INET; sk->protocol = protocol; @@ -414,7 +414,7 @@ static int inet_create(struct socket *sock, int protocol) sk->ip_mc_ttl=1; sk->ip_mc_index=0; sk->ip_mc_list=NULL; - + if (sk->num) { /* It assumes that any protocol which allows * the user to assign a number at socket @@ -459,7 +459,7 @@ do_oom: * function we are destroying the object and from then on nobody * should refer to it. */ - + int inet_release(struct socket *sock, struct socket *peersock) { struct sock *sk = sock->sk; @@ -505,13 +505,13 @@ static int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) /* If the socket has its own bind function then use it. (RAW) */ if(sk->prot->bind) return sk->prot->bind(sk, uaddr, addr_len); - + /* Check these errors (active socket, bad address length, double bind). */ if ((sk->state != TCP_CLOSE) || (addr_len < sizeof(struct sockaddr_in)) || (sk->num != 0)) return -EINVAL; - + chk_addr_ret = inet_addr_type(addr->sin_addr.s_addr); if (addr->sin_addr.s_addr != 0 && chk_addr_ret != RTN_LOCAL && chk_addr_ret != RTN_MULTICAST && chk_addr_ret != RTN_BROADCAST) { @@ -538,10 +538,10 @@ static int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) /* The kernel masquerader needs some ports. */ if((snum >= PORT_MASQ_BEGIN) && (snum <= PORT_MASQ_END)) return -EADDRINUSE; -#endif +#endif if (snum && snum < PROT_SOCK && !capable(CAP_NET_BIND_SERVICE)) return(-EACCES); - + /* Make sure we are allowed to bind here. */ if (sk->prot->get_port(sk, snum) != 0) return -EADDRINUSE; @@ -564,10 +564,10 @@ int inet_dgram_connect(struct socket *sock, struct sockaddr * uaddr, if (inet_autobind(sk) != 0) return(-EAGAIN); - if (sk->prot->connect == NULL) + if (sk->prot->connect == NULL) return(-EOPNOTSUPP); err = sk->prot->connect(sk, (struct sockaddr *)uaddr, addr_len); - if (err < 0) + if (err < 0) return(err); return(0); } @@ -594,7 +594,7 @@ static void inet_wait_for_connect(struct sock *sk) * Connect to a remote host. There is regrettably still a little * TCP 'magic' in here. */ - + int inet_stream_connect(struct socket *sock, struct sockaddr * uaddr, int addr_len, int flags) { @@ -609,7 +609,7 @@ int inet_stream_connect(struct socket *sock, struct sockaddr * uaddr, if(sock->state == SS_CONNECTING) { /* Note: tcp_connected contains SYN_RECV, which may cause - bogus results here. -AK */ + bogus results here. -AK */ if(tcp_connected(sk->state)) { sock->state = SS_CONNECTED; return 0; @@ -619,7 +619,7 @@ int inet_stream_connect(struct socket *sock, struct sockaddr * uaddr, if (flags & O_NONBLOCK) return -EALREADY; } else { - if (sk->prot->connect == NULL) + if (sk->prot->connect == NULL) return(-EOPNOTSUPP); /* We may need to bind the socket. */ @@ -635,11 +635,11 @@ int inet_stream_connect(struct socket *sock, struct sockaddr * uaddr, return(err); sock->state = SS_CONNECTING; } - + if (sk->state > TCP_FIN_WAIT2 && sock->state == SS_CONNECTING) goto sock_error; - if (sk->state != TCP_ESTABLISHED && (flags & O_NONBLOCK)) + if (sk->state != TCP_ESTABLISHED && (flags & O_NONBLOCK)) return (-EINPROGRESS); if (sk->state == TCP_SYN_SENT || sk->state == TCP_SYN_RECV) { @@ -650,15 +650,15 @@ int inet_stream_connect(struct socket *sock, struct sockaddr * uaddr, sock->state = SS_CONNECTED; if ((sk->state != TCP_ESTABLISHED) && sk->err) - goto sock_error; + goto sock_error; return(0); -sock_error: +sock_error: /* This is ugly but needed to fix a race in the ICMP error handler */ - if (sk->zapped && sk->state != TCP_CLOSE) { - lock_sock(sk); + if (sk->zapped && sk->state != TCP_CLOSE) { + lock_sock(sk); tcp_set_state(sk, TCP_CLOSE); - release_sock(sk); + release_sock(sk); sk->zapped = 0; } sock->state = SS_UNCONNECTED; @@ -735,16 +735,16 @@ do_err: /* * This does both peername and sockname. */ - + static int inet_getname(struct socket *sock, struct sockaddr *uaddr, int *uaddr_len, int peer) { struct sock *sk = sock->sk; struct sockaddr_in *sin = (struct sockaddr_in *)uaddr; - + sin->sin_family = AF_INET; if (peer) { - if (!tcp_connected(sk->state)) + if (!tcp_connected(sk->state)) return(-ENOTCONN); sin->sin_port = sk->dport; sin->sin_addr.s_addr = sk->daddr; @@ -767,10 +767,10 @@ int inet_recvmsg(struct socket *sock, struct msghdr *msg, int size, struct sock *sk = sock->sk; int addr_len = 0; int err; - + if (sock->flags & SO_ACCEPTCON) return(-EINVAL); - if (sk->prot->recvmsg == NULL) + if (sk->prot->recvmsg == NULL) return(-EOPNOTSUPP); /* We may need to bind the socket. */ if (inet_autobind(sk) != 0) @@ -793,7 +793,7 @@ int inet_sendmsg(struct socket *sock, struct msghdr *msg, int size, send_sig(SIGPIPE, current, 1); return(-EPIPE); } - if (sk->prot->sendmsg == NULL) + if (sk->prot->sendmsg == NULL) return(-EOPNOTSUPP); if(sk->err) return sock_error(sk); @@ -822,7 +822,7 @@ int inet_shutdown(struct socket *sock, int how) return(-ENOTCONN); if (sock->state == SS_CONNECTING && sk->state == TCP_ESTABLISHED) sock->state = SS_CONNECTED; - if (!tcp_connected(sk->state)) + if (!tcp_connected(sk->state)) return(-ENOTCONN); sk->shutdown |= how; if (sk->prot->shutdown) @@ -842,6 +842,10 @@ unsigned int inet_poll(struct file * file, struct socket *sock, poll_table *wait return sk->prot->poll(file, sock, wait); } +#ifdef _HURD_ +#define inet_ioctl 0 +#else + /* * ioctl() calls you can issue on an INET socket. Most of these are * device configuration and stuff and very rarely used. Some ioctls @@ -858,14 +862,14 @@ static int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) int err; int pid; - switch(cmd) + switch(cmd) { case FIOSETOWN: case SIOCSPGRP: err = get_user(pid, (int *) arg); if (err) - return err; - if (current->pid != pid && current->pgrp != -pid && + return err; + if (current->pid != pid && current->pgrp != -pid && !capable(CAP_NET_ADMIN)) return -EPERM; sk->proc = pid; @@ -905,18 +909,18 @@ static int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) case SIOCSIFNETMASK: case SIOCGIFDSTADDR: case SIOCSIFDSTADDR: - case SIOCSIFPFLAGS: - case SIOCGIFPFLAGS: + case SIOCSIFPFLAGS: + case SIOCGIFPFLAGS: case SIOCSIFFLAGS: return(devinet_ioctl(cmd,(void *) arg)); case SIOCGIFBR: case SIOCSIFBR: -#ifdef CONFIG_BRIDGE +#ifdef CONFIG_BRIDGE return(br_ioctl(cmd,(void *) arg)); #else return -ENOPKG; -#endif - +#endif + case SIOCADDDLCI: case SIOCDELDLCI: #ifdef CONFIG_DLCI @@ -946,13 +950,15 @@ static int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) #endif if (sk->prot->ioctl==NULL || (err=sk->prot->ioctl(sk, cmd, arg))==-ENOIOCTLCMD) - return(dev_ioctl(cmd,(void *) arg)); + return(dev_ioctl(cmd,(void *) arg)); return err; } /*NOTREACHED*/ return(0); } +#endif + struct proto_ops inet_stream_ops = { PF_INET, @@ -962,7 +968,7 @@ struct proto_ops inet_stream_ops = { inet_stream_connect, sock_no_socketpair, inet_accept, - inet_getname, + inet_getname, inet_poll, inet_ioctl, inet_listen, @@ -983,7 +989,7 @@ struct proto_ops inet_dgram_ops = { inet_dgram_connect, sock_no_socketpair, sock_no_accept, - inet_getname, + inet_getname, datagram_poll, inet_ioctl, sock_no_listen, @@ -1053,9 +1059,9 @@ extern void tcp_v4_init(struct net_proto_family *); /* - * Called by socket.c on kernel startup. + * Called by socket.c on kernel startup. */ - + __initfunc(void inet_proto_init(struct net_proto *pro)) { struct sk_buff *dummy_skb; @@ -1070,17 +1076,17 @@ __initfunc(void inet_proto_init(struct net_proto *pro)) } /* - * Tell SOCKET that we are alive... + * Tell SOCKET that we are alive... */ - + (void) sock_register(&inet_family_ops); /* - * Add all the protocols. + * Add all the protocols. */ printk(KERN_INFO "IP Protocols: "); - for(p = inet_protocol_base; p != NULL;) + for(p = inet_protocol_base; p != NULL;) { struct inet_protocol *tmp = (struct inet_protocol *) p->next; inet_add_protocol(p); @@ -1132,7 +1138,7 @@ __initfunc(void inet_proto_init(struct net_proto *pro)) #ifdef CONFIG_IP_MASQUERADE ip_masq_init(); #endif - + /* * Initialise the multicast router */ |