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