Init

sys/boot/os/uipc_socket.c

@@ -0,0 +1,144 @@
+#ifndef lint
+static        char sccsid[] = "@(#)uipc_socket.c 1.1 94/10/31 Copyr 1983 Sun Micro";
+#endif
+
+
+#include <sys/param.h>
+#include "boot/systm.h"
+#include <sys/user.h>
+#include <sys/proc.h>
+#include <sys/file.h>
+#include <sys/buf.h>
+#include <sys/mbuf.h>
+#include <sys/un.h>
+#include "boot/protosw.h"
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/uio.h>
+#include <net/route.h>
+#include <netinet/in.h>
+#include <net/if.h>
+
+static int dump_debug = 10;
+
+#undef	u
+extern struct user u;
+
+/*
+ * Socket operation routines.
+ * These routines are called by the routines in
+ * sys_socket.c or from a system process, and
+ * implement the semantics of socket operations by
+ * switching out to the protocol specific routines.
+ *
+ * TODO:
+ *	sostat
+ *	test socketpair
+ *	PR_RIGHTS
+ *	clean up select, async
+ *	out-of-band is a kludge
+ */
+/*ARGSUSED*/
+socreate(dom, aso, type, proto)
+	struct socket **aso;
+	register int type;
+	int proto;
+{
+	register struct protosw *prp;
+	register struct socket *so;
+	register struct mbuf *m;
+	register int error;
+
+
+	if (proto)
+		prp = pffindproto(dom, proto);
+	else
+		prp = pffindtype(dom, type);
+	if (prp == 0)	{
+		dprint(dump_debug, 10,
+			"socreate: EPROTONOSUPPORT\n");
+		return (EPROTONOSUPPORT);
+	}
+	if (prp->pr_type != type)	{
+		dprint(dump_debug, 10,
+                        "socreate: EPROTOTYPE\n");
+		return (EPROTOTYPE);
+	}
+	m = m_getclr(M_WAIT, MT_SOCKET);
+	if (m == 0)	{
+		dprint(dump_debug, 10, 
+                        "socreate: ENOBUFS\n");
+		return (ENOBUFS);
+	}
+	so = mtod(m, struct socket *);
+	so->so_options = 0;
+	so->so_state = 0;
+	so->so_type = type;
+	if (u.u_uid == 0)
+		so->so_state = SS_PRIV;
+	so->so_proto = prp;
+	error =
+	    (*prp->pr_usrreq)(so, PRU_ATTACH,
+		(struct mbuf *)0, (struct mbuf *)0, (struct mbuf *)0);
+	if (error) {
+		dprint(dump_debug, 10,  
+                        "socreate: prp->pr_usrreq error %d\n", error);
+		so->so_state |= SS_NOFDREF;
+		sofree(so);
+		return (error);
+	}
+	*aso = so;
+	return (0);
+}
+
+sobind(so, nam)
+	struct socket *so;
+	struct mbuf *nam;
+{
+	int s = splnet();
+	int error;
+
+	error = (*so->so_proto->pr_usrreq)(so, PRU_BIND,
+		(struct mbuf *)0, nam, (struct mbuf *)0);
+	(void) splx(s);
+	return (error);
+}
+
+#ifdef	NEVER
+solisten(so, backlog)
+	register struct socket *so;
+	int backlog;
+{
+	int s = splnet(), error;
+
+	error =
+	    (*so->so_proto->pr_usrreq)(so, PRU_LISTEN,
+		(struct mbuf *)0, (struct mbuf *)0, (struct mbuf *)0);
+	if (error) {
+		(void) splx(s);
+		return (error);
+	}
+	if (so->so_q == 0) {
+		so->so_q = so;
+		so->so_q0 = so;
+		so->so_options |= SO_ACCEPTCONN;
+	}
+	if (backlog < 0)
+		backlog = 0;
+	so->so_qlimit = MIN(backlog, SOMAXCONN);
+	(void) splx(s);
+	return (0);
+}
+#endif	/* NEVER */
+
+/*ARGSUSED*/
+sofree(so)
+	register struct socket *so;
+{
+
+#ifdef lint
+	so = so;
+#endif lint
+}