1 /*- 2 * Copyright (c) 1982, 1986, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)uipc_proto.c 8.1 (Berkeley) 6/10/93 34 * $FreeBSD: src/sys/kern/uipc_proto.c,v 1.21.2.1 2002/03/09 05:22:23 dd Exp $ 35 */ 36 37 #include <sys/param.h> 38 #include <sys/kernel.h> 39 #include <sys/domain.h> 40 #include <sys/protosw.h> 41 #include <sys/socket.h> 42 #include <sys/queue.h> 43 #include <sys/sysctl.h> 44 #include <sys/un.h> 45 46 #include <net/raw_cb.h> 47 48 /* 49 * Definitions of protocols supported in the LOCAL domain. 50 */ 51 52 static struct protosw localsw[] = { 53 { 54 .pr_type = SOCK_STREAM, 55 .pr_domain = &localdomain, 56 .pr_protocol = 0, 57 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_RIGHTS|PR_SYNC_PORT, 58 .pr_ctloutput = uipc_ctloutput, 59 .pr_usrreqs = &uipc_usrreqs 60 }, 61 { 62 .pr_type = SOCK_SEQPACKET, 63 .pr_domain = &localdomain, 64 .pr_protocol = 0, 65 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_RIGHTS|PR_SYNC_PORT| 66 PR_ATOMIC, 67 .pr_ctloutput = uipc_ctloutput, 68 .pr_usrreqs = &uipc_usrreqs 69 }, 70 { 71 .pr_type = SOCK_DGRAM, 72 .pr_domain = &localdomain, 73 .pr_protocol = 0, 74 .pr_flags = PR_RIGHTS|PR_SYNC_PORT|PR_ATOMIC|PR_ADDR, 75 .pr_ctloutput = NULL, 76 .pr_usrreqs = &uipc_usrreqs 77 }, 78 { 79 .pr_type = 0, 80 .pr_protocol = 0, 81 .pr_flags = PR_SYNC_PORT, 82 .pr_ctlinput = raw_ctlinput, 83 .pr_ctloutput = NULL, 84 .pr_init = raw_init, 85 .pr_usrreqs = &raw_usrreqs 86 } 87 }; 88 89 struct domain localdomain = { 90 AF_LOCAL, "local", unp_init, unp_externalize, unp_dispose, 91 localsw, &localsw[NELEM(localsw)], 92 }; 93 94 DOMAIN_SET(local); 95 96 SYSCTL_NODE(_net, PF_LOCAL, local, CTLFLAG_RW, 0, "Local domain"); 97 SYSCTL_NODE(_net_local, SOCK_STREAM, stream, CTLFLAG_RW, 0, "SOCK_STREAM"); 98 SYSCTL_NODE(_net_local, SOCK_SEQPACKET, seqpacket, CTLFLAG_RW, 0, 99 "SOCK_SEQPACKET"); 100 SYSCTL_NODE(_net_local, SOCK_DGRAM, dgram, CTLFLAG_RW, 0, "SOCK_DGRAM"); 101