コード例 #1
0
ファイル: darwin-tcpip.c プロジェクト: DCteam/lustre
int
libcfs_sock_listen (struct socket **sockp,
                    __u32 local_ip, int local_port, int backlog)
{
        int      fatal;
        int      rc;
        CFS_DECL_FUNNEL_DATA;

        rc = libcfs_sock_create(sockp, &fatal, local_ip, local_port);
        if (rc != 0) {
                if (!fatal)
                        CERROR("Can't create socket: port %d already in use\n",
                               local_port);
                return rc;
        }
        CFS_NET_IN;
        rc = solisten(*sockp, backlog);
        CFS_NET_EX;
        if (rc == 0)
                return 0;
        CERROR("Can't set listen backlog %d: %d\n", backlog, rc);
        CFS_NET_IN;
        soclose(*sockp);
        CFS_NET_EX;
        return -rc;
}
コード例 #2
0
ファイル: svc_vc.c プロジェクト: hmatyschok/MeshBSD
/*
 * Usage:
 *	xprt = svc_vc_create(sock, send_buf_size, recv_buf_size);
 *
 * Creates, registers, and returns a (rpc) tcp based transporter.
 * Once *xprt is initialized, it is registered as a transporter
 * see (svc.h, xprt_register).  This routine returns
 * a NULL if a problem occurred.
 *
 * The filedescriptor passed in is expected to refer to a bound, but
 * not yet connected socket.
 *
 * Since streams do buffered io similar to stdio, the caller can specify
 * how big the send and receive buffers are via the second and third parms;
 * 0 => use the system default.
 */
SVCXPRT *
svc_vc_create(SVCPOOL *pool, struct socket *so, size_t sendsize,
    size_t recvsize)
{
	SVCXPRT *xprt = NULL;
	struct sockaddr* sa;
	int error;

	SOCK_LOCK(so);
	if (so->so_state & (SS_ISCONNECTED|SS_ISDISCONNECTED)) {
		SOCK_UNLOCK(so);
		CURVNET_SET(so->so_vnet);
		error = so->so_proto->pr_usrreqs->pru_peeraddr(so, &sa);
		CURVNET_RESTORE();
		if (error)
			return (NULL);
		xprt = svc_vc_create_conn(pool, so, sa);
		free(sa, M_SONAME);
		return (xprt);
	}
	SOCK_UNLOCK(so);

	xprt = svc_xprt_alloc();
	sx_init(&xprt->xp_lock, "xprt->xp_lock");
	xprt->xp_pool = pool;
	xprt->xp_socket = so;
	xprt->xp_p1 = NULL;
	xprt->xp_p2 = NULL;
	xprt->xp_ops = &svc_vc_rendezvous_ops;

	CURVNET_SET(so->so_vnet);
	error = so->so_proto->pr_usrreqs->pru_sockaddr(so, &sa);
	CURVNET_RESTORE();
	if (error) {
		goto cleanup_svc_vc_create;
	}

	memcpy(&xprt->xp_ltaddr, sa, sa->sa_len);
	free(sa, M_SONAME);

	xprt_register(xprt);

	solisten(so, -1, curthread);

	SOCKBUF_LOCK(&so->so_rcv);
	xprt->xp_upcallset = 1;
	soupcall_set(so, SO_RCV, svc_vc_soupcall, xprt);
	SOCKBUF_UNLOCK(&so->so_rcv);

	return (xprt);
cleanup_svc_vc_create:
	if (xprt) {
		sx_destroy(&xprt->xp_lock);
		svc_xprt_free(xprt);
	}
	return (NULL);
}
コード例 #3
0
ファイル: slirp.c プロジェクト: AlexandreCo/macemu
int slirp_redir(int is_udp, int host_port, 
                struct in_addr guest_addr, int guest_port)
{
    if (is_udp) {
        if (!udp_listen(htons(host_port), guest_addr.s_addr, 
                        htons(guest_port), 0))
            return -1;
    } else {
        if (!solisten(htons(host_port), guest_addr.s_addr, 
                      htons(guest_port), 0))
            return -1;
    }
    return 0;
}
コード例 #4
0
ファイル: slirp.c プロジェクト: qtekfun/htcDesire820Kernel
int slirp_redir(int is_udp, int host_port,
                uint32_t  guest_ip, int guest_port)
{
    if (is_udp) {
        if (!udp_listen(host_port,
                        guest_ip,
                        guest_port, 0))
            return -1;
    } else {
        if (!solisten(host_port, guest_ip, guest_port, 0))
            return -1;
    }
    return 0;
}
コード例 #5
0
ファイル: handshake.c プロジェクト: bottompawn/4.4BSD-Lite2
struct socket* listenon(unsigned short port)
{
  struct socket* so = NULL;
  socreate(AF_INET, &so, SOCK_STREAM, 0);
  struct sockaddr_in addr;
  bzero(&addr, sizeof addr);
  addr.sin_len = sizeof addr;
  addr.sin_family = AF_INET;
  addr.sin_port = htons(port);
  struct mbuf* nam = m_devget((caddr_t)&addr, sizeof addr, 0, NULL, NULL);
  sobind(so, nam);
  solisten(so, 5);
  return so;
}
コード例 #6
0
int
sys_listen(struct lwp *l, const struct sys_listen_args *uap, register_t *retval)
{
	/* {
		syscallarg(int)	s;
		syscallarg(int)	backlog;
	} */
	struct socket	*so;
	int		error;

	if ((error = fd_getsock(SCARG(uap, s), &so)) != 0)
		return (error);
	error = solisten(so, SCARG(uap, backlog), l);
	fd_putfile(SCARG(uap, s));
	return error;
}
コード例 #7
0
ファイル: uipc_syscalls.c プロジェクト: appleorange1/bitrig
/* ARGSUSED */
int
sys_listen(struct proc *p, void *v, register_t *retval)
{
	struct sys_listen_args /* {
		syscallarg(int) s;
		syscallarg(int) backlog;
	} */ *uap = v;
	struct file *fp;
	int error;

	if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0)
		return (error);
	error = solisten(fp->f_data, SCARG(uap, backlog));
	FRELE(fp, p);
	return (error);
}
コード例 #8
0
int
listen (int s, int backlog)
{
	int error;
	int ret = -1;
	struct socket *so;

	rtems_bsdnet_semaphore_obtain ();
	if ((so = rtems_bsdnet_fdToSocket (s)) != NULL) {
		error = solisten (so, backlog);
		if (error == 0)
			ret = 0;
		else
			errno = error;
	}
	rtems_bsdnet_semaphore_release ();
	return ret;
}
コード例 #9
0
ファイル: misc.c プロジェクト: ayourtch/slirp
/*
 * XXX Allow more than one X redirection?
 */
void redir_x(u_int32_t inaddr, int start_port, int display, int screen)
{
	int i;
	
	if (x_port >= 0) {
		lprint("X Redir: X already being redirected.\r\n");
		show_x(0, 0);
	} else {
		for (i = 6001 + (start_port-1); i <= 6100; i++) {
			if (solisten(htons(i), inaddr, htons(6000 + display), 0)) {
				/* Success */
				x_port = i - 6000;
				x_display = display;
				x_screen = screen;
				show_x(0, 0);
				return;
			}
		}
		lprint("X Redir: Error: Couldn't redirect a port for X. Weird.\r\n");
	}
}
コード例 #10
0
int
sys_listen(struct thread *td, struct listen_args *uap)
{
	struct socket *so;
	struct file *fp;
	cap_rights_t rights;
	int error;

	AUDIT_ARG_FD(uap->s);
	error = getsock_cap(td, uap->s, cap_rights_init(&rights, CAP_LISTEN),
	    &fp, NULL, NULL);
	if (error == 0) {
		so = fp->f_data;
#ifdef MAC
		error = mac_socket_check_listen(td->td_ucred, so);
		if (error == 0)
#endif
			error = solisten(so, uap->backlog, td);
		fdrop(fp, td);
	}
	return(error);
}
コード例 #11
0
ファイル: sockcall.c プロジェクト: fjanssen/Car2X
int
t_listen(long s, 
   int   backlog)
{
   struct socket *   so;
   int   err;

   so = LONG2SO(s);  /* convert long to socket */
   SOC_CHECK(so);
   so->so_error = 0;
   INET_TRACE (INETM_SOCKET, ("SOCK:listen:qlen %d\n", backlog));

   LOCK_NET_RESOURCE(NET_RESID);
   err = solisten (so, backlog);
   UNLOCK_NET_RESOURCE(NET_RESID);

   if (err != 0) 
   {
      so->so_error = err;
      return SOCKET_ERROR;
   }
   return 0;
}
int waitForMessages(struct sockaddr_in *site_2, struct thread *td) {
	waiting_sockaddr = *site_2;
	struct sockaddr_in *site = &waiting_sockaddr;
	log_info("waiting for messages on %s:%d", inet_ntoa(site->sin_addr), ntohs(site->sin_port));

	int error = 0;
	struct socket *so = NULL;

	error = socreate(AF_INET, &so, SOCK_STREAM, 0, td->td_ucred, td);
	if (error) {
		log_warn("error in socreate in waitForMessages");
		goto bad;
	}
	error = sobind(so, (struct sockaddr *) site, td);
	if (error) {
		log_warn("error in sobind in waitForMessages");
		goto bad;
	}
	error = solisten(so, 5, td);
	if (error) {
		log_warn("error in solisten in waitForMessages");
		goto bad;
	}

	error = kthread_add(accept_loop, so, NULL, &accept_kthread, 0, 0,
			"raymond_accept_loop");
	if (error) {
		log_warn("error creating thread: %d\n", error);
		goto bad;
	}
	return 0;

	bad: // on error
	if (so != NULL)
		soclose(so);
	return error;
}
コード例 #13
0
ファイル: udp.c プロジェクト: flwh/Alcatel_OT_985_kernel
static void
udp_emu(struct socket *so, struct mbuf *m)
{
	struct sockaddr_in addr;
	socklen_t addrlen = sizeof(addr);
#ifdef EMULATE_TALK
	CTL_MSG_OLD *omsg;
	CTL_MSG *nmsg;
	char buff[sizeof(CTL_MSG)];
	u_char type;

struct talk_request {
	struct talk_request *next;
	struct socket *udp_so;
	struct socket *tcp_so;
} *req;

	static struct talk_request *req_tbl = 0;

#endif

struct cu_header {
	uint16_t	d_family;		// destination family
	uint16_t	d_port;			// destination port
	uint32_t	d_addr;			// destination address
	uint16_t	s_family;		// source family
	uint16_t	s_port;			// source port
	uint32_t	so_addr;		// source address
	uint32_t	seqn;			// sequence number
	uint16_t	message;		// message
	uint16_t	data_type;		// data type
	uint16_t	pkt_len;		// packet length
} *cu_head;

	switch(so->so_emu) {

#ifdef EMULATE_TALK
	 case EMU_TALK:
	 case EMU_NTALK:
		/*
		 * Talk emulation. We always change the ctl_addr to get
		 * some answers from the daemon. When an ANNOUNCE comes,
		 * we send LEAVE_INVITE to the local daemons. Also when a
		 * DELETE comes, we send copies to the local daemons.
		 */
		if (getsockname(so->s, (struct sockaddr *)&addr, &addrlen) < 0)
			return;

#define	IS_OLD	(so->so_emu == EMU_TALK)

#define COPY_MSG(dest, src) { dest->type = src->type; \
			      dest->id_num = src->id_num; \
			      dest->pid = src->pid; \
			      dest->addr = src->addr; \
			      dest->ctl_addr = src->ctl_addr; \
			      memcpy(&dest->l_name, &src->l_name, NAME_SIZE_OLD); \
			      memcpy(&dest->r_name, &src->r_name, NAME_SIZE_OLD); \
	         	      memcpy(&dest->r_tty, &src->r_tty, TTY_SIZE); }

#define OTOSIN(ptr, field) ((struct sockaddr_in *)&ptr->field)
/* old_sockaddr to sockaddr_in */


		if (IS_OLD) {  		/* old talk */
			omsg = mtod(m, CTL_MSG_OLD*);
			nmsg = (CTL_MSG *) buff;
			type = omsg->type;
			OTOSIN(omsg, ctl_addr)->sin_port = addr.sin_port;
			OTOSIN(omsg, ctl_addr)->sin_addr = our_addr;
                        pstrcpy(omsg->l_name, NAME_SIZE_OLD, getlogin());
		} else {		/* new talk */
			omsg = (CTL_MSG_OLD *) buff;
			nmsg = mtod(m, CTL_MSG *);
			type = nmsg->type;
			OTOSIN(nmsg, ctl_addr)->sin_port = addr.sin_port;
			OTOSIN(nmsg, ctl_addr)->sin_addr = our_addr;
                        pstrcpy(nmsg->l_name, NAME_SIZE_OLD, getlogin());
		}

		if (type == LOOK_UP)
			return;		/* for LOOK_UP this is enough */

		if (IS_OLD) {		/* make a copy of the message */
			COPY_MSG(nmsg, omsg);
			nmsg->vers = 1;
			nmsg->answer = 0;
		} else
			COPY_MSG(omsg, nmsg);

		/*
		 * If if is an ANNOUNCE message, we go through the
		 * request table to see if a tcp port has already
		 * been redirected for this socket. If not, we solisten()
		 * a new socket and add this entry to the table.
		 * The port number of the tcp socket and our IP
		 * are put to the addr field of the message structures.
		 * Then a LEAVE_INVITE is sent to both local daemon
		 * ports, 517 and 518. This is why we have two copies
		 * of the message, one in old talk and one in new talk
		 * format.
		 */

		if (type == ANNOUNCE) {
			int s;
			u_short temp_port;

			for(req = req_tbl; req; req = req->next)
				if (so == req->udp_so)
					break;  	/* found it */

			if (!req) {	/* no entry for so, create new */
				req = (struct talk_request *)
					malloc(sizeof(struct talk_request));
				req->udp_so = so;
				req->tcp_so = solisten(0,
					OTOSIN(omsg, addr)->sin_addr.s_addr,
					OTOSIN(omsg, addr)->sin_port,
					SS_FACCEPTONCE);
				req->next = req_tbl;
				req_tbl = req;
			}

			/* replace port number in addr field */
			addrlen = sizeof(addr);
			getsockname(req->tcp_so->s,
					(struct sockaddr *) &addr,
					&addrlen);
			OTOSIN(omsg, addr)->sin_port = addr.sin_port;
			OTOSIN(omsg, addr)->sin_addr = our_addr;
			OTOSIN(nmsg, addr)->sin_port = addr.sin_port;
			OTOSIN(nmsg, addr)->sin_addr = our_addr;

			/* send LEAVE_INVITEs */
			temp_port = OTOSIN(omsg, ctl_addr)->sin_port;
			OTOSIN(omsg, ctl_addr)->sin_port = 0;
			OTOSIN(nmsg, ctl_addr)->sin_port = 0;
			omsg->type = nmsg->type = LEAVE_INVITE;

			s = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
			addr.sin_addr = our_addr;
			addr.sin_family = AF_INET;
			addr.sin_port = htons(517);
			sendto(s, (char *)omsg, sizeof(*omsg), 0,
				(struct sockaddr *)&addr, sizeof(addr));
			addr.sin_port = htons(518);
			sendto(s, (char *)nmsg, sizeof(*nmsg), 0,
				(struct sockaddr *) &addr, sizeof(addr));
			closesocket(s) ;

			omsg->type = nmsg->type = ANNOUNCE;
			OTOSIN(omsg, ctl_addr)->sin_port = temp_port;
			OTOSIN(nmsg, ctl_addr)->sin_port = temp_port;
		}

		/*
		 * If it is a DELETE message, we send a copy to the
		 * local daemons. Then we delete the entry corresponding
		 * to our socket from the request table.
		 */

		if (type == DELETE) {
			struct talk_request *temp_req, *req_next;
			int s;
			u_short temp_port;

			temp_port = OTOSIN(omsg, ctl_addr)->sin_port;
			OTOSIN(omsg, ctl_addr)->sin_port = 0;
			OTOSIN(nmsg, ctl_addr)->sin_port = 0;

			s = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
			addr.sin_addr = our_addr;
			addr.sin_family = AF_INET;
			addr.sin_port = htons(517);
			sendto(s, (char *)omsg, sizeof(*omsg), 0,
				(struct sockaddr *)&addr, sizeof(addr));
			addr.sin_port = htons(518);
			sendto(s, (char *)nmsg, sizeof(*nmsg), 0,
				(struct sockaddr *)&addr, sizeof(addr));
			closesocket(s);

			OTOSIN(omsg, ctl_addr)->sin_port = temp_port;
			OTOSIN(nmsg, ctl_addr)->sin_port = temp_port;

			/* delete table entry */
			if (so == req_tbl->udp_so) {
				temp_req = req_tbl;
				req_tbl = req_tbl->next;
				free(temp_req);
			} else {
				temp_req = req_tbl;
				for(req = req_tbl->next; req; req = req_next) {
					req_next = req->next;
					if (so == req->udp_so) {
						temp_req->next = req_next;
						free(req);
						break;
					} else {
						temp_req = req;
					}
				}
			}
		}

		return;
#endif

	case EMU_CUSEEME:

		/*
		 * Cu-SeeMe emulation.
		 * Hopefully the packet is more that 16 bytes long. We don't
		 * do any other tests, just replace the address and port
		 * fields.
		 */
		if (m->m_len >= sizeof (*cu_head)) {
			if (getsockname(so->s, (struct sockaddr *)&addr, &addrlen) < 0)
				return;
			cu_head = mtod(m, struct cu_header *);
			cu_head->s_port = addr.sin_port;
			cu_head->so_addr = our_addr.s_addr;
		}

		return;
	}
コード例 #14
0
ファイル: icl_proxy.c プロジェクト: ele7enxxh/dtrace-pf
static int
icl_listen_add_tcp(struct icl_listen *il, int domain, int socktype,
    int protocol, struct sockaddr *sa, int portal_id)
{
	struct icl_listen_sock *ils;
	struct socket *so;
	struct sockopt sopt;
	int error, one = 1;

	error = socreate(domain, &so, socktype, protocol,
	    curthread->td_ucred, curthread);
	if (error != 0) {
		ICL_WARN("socreate failed with error %d", error);
		return (error);
	}

	sopt.sopt_dir = SOPT_SET;
	sopt.sopt_level = SOL_SOCKET;
	sopt.sopt_name = SO_REUSEADDR;
	sopt.sopt_val = &one;
	sopt.sopt_valsize = sizeof(one);
	sopt.sopt_td = NULL;
	error = sosetopt(so, &sopt);
	if (error != 0) {
		ICL_WARN("failed to set SO_REUSEADDR with error %d", error);
		soclose(so);
		return (error);
	}

	error = sobind(so, sa, curthread);
	if (error != 0) {
		ICL_WARN("sobind failed with error %d", error);
		soclose(so);
		return (error);
	}

	error = solisten(so, -1, curthread);
	if (error != 0) {
		ICL_WARN("solisten failed with error %d", error);
		soclose(so);
		return (error);
	}

	ils = malloc(sizeof(*ils), M_ICL_PROXY, M_ZERO | M_WAITOK);
	ils->ils_listen = il;
	ils->ils_socket = so;
	ils->ils_id = portal_id;

	error = kthread_add(icl_accept_thread, ils, NULL, NULL, 0, 0, "iclacc");
	if (error != 0) {
		ICL_WARN("kthread_add failed with error %d", error);
		soclose(so);
		free(ils, M_ICL_PROXY);

		return (error);
	}

	sx_xlock(&il->il_lock);
	TAILQ_INSERT_TAIL(&il->il_sockets, ils, ils_next);
	sx_xunlock(&il->il_lock);

	return (0);
}
コード例 #15
0
ファイル: ng_ksocket.c プロジェクト: juanfra684/DragonFlyBSD
/*
 * Receive a control message
 */
static int
ng_ksocket_rcvmsg(node_p node, item_p item, hook_p lasthook)
{
	struct thread *td = curthread;	/* XXX broken */
	const priv_p priv = NG_NODE_PRIVATE(node);
	struct socket *const so = priv->so;
	struct ng_mesg *resp = NULL;
	int error = 0;
	struct ng_mesg *msg;
	ng_ID_t raddr;

	NGI_GET_MSG(item, msg);
	switch (msg->header.typecookie) {
	case NGM_KSOCKET_COOKIE:
		switch (msg->header.cmd) {
		case NGM_KSOCKET_BIND:
		    {
			struct sockaddr *const sa
			    = (struct sockaddr *)msg->data;

			/* Sanity check */
			if (msg->header.arglen < SADATA_OFFSET
			    || msg->header.arglen < sa->sa_len)
				ERROUT(EINVAL);
			if (so == NULL)
				ERROUT(ENXIO);

			/* Bind */
			error = sobind(so, sa, td);
			break;
		    }
		case NGM_KSOCKET_LISTEN:
		    {
			/* Sanity check */
			if (msg->header.arglen != sizeof(int32_t))
				ERROUT(EINVAL);
			if (so == NULL)
				ERROUT(ENXIO);

			/* Listen */
			error = solisten(so, *((int32_t *)msg->data), td);
			break;
		    }

		case NGM_KSOCKET_ACCEPT:
		    {
			/* Sanity check */
			if (msg->header.arglen != 0)
				ERROUT(EINVAL);
			if (so == NULL)
				ERROUT(ENXIO);

			/* Make sure the socket is capable of accepting */
			if (!(so->so_options & SO_ACCEPTCONN))
				ERROUT(EINVAL);
			if (priv->flags & KSF_ACCEPTING)
				ERROUT(EALREADY);

			error = ng_ksocket_check_accept(priv);
			if (error != 0 && error != EWOULDBLOCK)
				ERROUT(error);

			/*
			 * If a connection is already complete, take it.
			 * Otherwise let the upcall function deal with
			 * the connection when it comes in.
			 */
			priv->response_token = msg->header.token;
			raddr = priv->response_addr = NGI_RETADDR(item);
			if (error == 0) {
				ng_ksocket_finish_accept(priv);
			} else
				priv->flags |= KSF_ACCEPTING;
			break;
		    }

		case NGM_KSOCKET_CONNECT:
		    {
			struct sockaddr *const sa
			    = (struct sockaddr *)msg->data;

			/* Sanity check */
			if (msg->header.arglen < SADATA_OFFSET
			    || msg->header.arglen < sa->sa_len)
				ERROUT(EINVAL);
			if (so == NULL)
				ERROUT(ENXIO);

			/* Do connect */
			if ((so->so_state & SS_ISCONNECTING) != 0)
				ERROUT(EALREADY);
			if ((error = soconnect(so, sa, td)) != 0) {
				soclrstate(so, SS_ISCONNECTING);
				ERROUT(error);
			}
			if ((so->so_state & SS_ISCONNECTING) != 0) {
				/* We will notify the sender when we connect */
				priv->response_token = msg->header.token;
				raddr = priv->response_addr = NGI_RETADDR(item);
				priv->flags |= KSF_CONNECTING;
				ERROUT(EINPROGRESS);
			}
			break;
		    }

		case NGM_KSOCKET_GETNAME:
		case NGM_KSOCKET_GETPEERNAME:
		    {
			int (*func)(struct socket *so, struct sockaddr **nam);
			struct sockaddr *sa = NULL;
			int len;

			/* Sanity check */
			if (msg->header.arglen != 0)
				ERROUT(EINVAL);
			if (so == NULL)
				ERROUT(ENXIO);

			/* Get function */
			if (msg->header.cmd == NGM_KSOCKET_GETPEERNAME) {
				if ((so->so_state
				    & (SS_ISCONNECTED|SS_ISCONFIRMING)) == 0) 
					ERROUT(ENOTCONN);
				func = so->so_proto->pr_usrreqs->pru_peeraddr;
			} else
				func = so->so_proto->pr_usrreqs->pru_sockaddr;

			/* Get local or peer address */
			if ((error = (*func)(so, &sa)) != 0)
				goto bail;
			len = (sa == NULL) ? 0 : sa->sa_len;

			/* Send it back in a response */
			NG_MKRESPONSE(resp, msg, len, M_WAITOK | M_NULLOK);
			if (resp == NULL) {
				error = ENOMEM;
				goto bail;
			}
			bcopy(sa, resp->data, len);

		bail:
			/* Cleanup */
			if (sa != NULL)
				kfree(sa, M_SONAME);
			break;
		    }

		case NGM_KSOCKET_GETOPT:
		    {
			struct ng_ksocket_sockopt *ksopt = 
			    (struct ng_ksocket_sockopt *)msg->data;
			struct sockopt sopt;

			/* Sanity check */
			if (msg->header.arglen != sizeof(*ksopt))
				ERROUT(EINVAL);
			if (so == NULL)
				ERROUT(ENXIO);

			/* Get response with room for option value */
			NG_MKRESPONSE(resp, msg, sizeof(*ksopt)
			    + NG_KSOCKET_MAX_OPTLEN, M_WAITOK | M_NULLOK);
			if (resp == NULL)
				ERROUT(ENOMEM);

			/* Get socket option, and put value in the response */
			sopt.sopt_dir = SOPT_GET;
			sopt.sopt_level = ksopt->level;
			sopt.sopt_name = ksopt->name;
			sopt.sopt_td = NULL;
			sopt.sopt_valsize = NG_KSOCKET_MAX_OPTLEN;
			ksopt = (struct ng_ksocket_sockopt *)resp->data;
			sopt.sopt_val = ksopt->value;
			if ((error = sogetopt(so, &sopt)) != 0) {
				NG_FREE_MSG(resp);
				break;
			}

			/* Set actual value length */
			resp->header.arglen = sizeof(*ksopt)
			    + sopt.sopt_valsize;
			break;
		    }

		case NGM_KSOCKET_SETOPT:
		    {
			struct ng_ksocket_sockopt *const ksopt = 
			    (struct ng_ksocket_sockopt *)msg->data;
			const int valsize = msg->header.arglen - sizeof(*ksopt);
			struct sockopt sopt;

			/* Sanity check */
			if (valsize < 0)
				ERROUT(EINVAL);
			if (so == NULL)
				ERROUT(ENXIO);

			/* Set socket option */
			sopt.sopt_dir = SOPT_SET;
			sopt.sopt_level = ksopt->level;
			sopt.sopt_name = ksopt->name;
			sopt.sopt_val = ksopt->value;
			sopt.sopt_valsize = valsize;
			sopt.sopt_td = NULL;
			error = sosetopt(so, &sopt);
			break;
		    }

		default:
			error = EINVAL;
			break;
		}
		break;
	default:
		error = EINVAL;
		break;
	}
done:
	NG_RESPOND_MSG(error, node, item, resp);
	NG_FREE_MSG(msg);
	return (error);
}
コード例 #16
0
static int 
bsd_listen(cyg_file *fp, int backlog)
{
    return (solisten((struct socket *)fp->f_data, backlog, 0));
}