/* $OpenBSD: uipc_domain.c,v 1.6 1999/01/07 22:30:34 deraadt Exp $ */ /* $NetBSD: uipc_domain.c,v 1.14 1996/02/09 19:00:44 christos Exp $ */ /* * Copyright (c) 1982, 1986, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)uipc_domain.c 8.2 (Berkeley) 10/18/93 */ #include #include #include #include #include #include #include #include #include #include #include void pffasttimo __P((void *)); void pfslowtimo __P((void *)); #ifdef KEY int pfkey_init __P((void)); #endif /* KEY */ #define ADDDOMAIN(x) { \ extern struct domain __CONCAT(x,domain); \ __CONCAT(x,domain.dom_next) = domains; \ domains = &__CONCAT(x,domain); \ } void domaininit() { register struct domain *dp; register struct protosw *pr; #undef unix #ifndef lint ADDDOMAIN(unix); ADDDOMAIN(route); #ifdef INET ADDDOMAIN(inet); #ifdef IPSEC ADDDOMAIN(encap); #endif #endif #ifdef INET6 ADDDOMAIN(inet6); #endif /* INET6 */ #ifdef KEY pfkey_init(); #endif /* KEY */ #ifdef IPX ADDDOMAIN(ipx); #endif #ifdef NETATALK ADDDOMAIN(atalk); #endif #ifdef NS ADDDOMAIN(ns); #endif #ifdef ISO ADDDOMAIN(iso); #endif #ifdef CCITT ADDDOMAIN(ccitt); #endif #ifdef notdef /* XXXX */ #include "imp.h" #if NIMP > 0 ADDDOMAIN(imp); #endif #endif #endif for (dp = domains; dp; dp = dp->dom_next) { if (dp->dom_init) (*dp->dom_init)(); for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++) if (pr->pr_init) (*pr->pr_init)(); } if (max_linkhdr < 16) /* XXX */ max_linkhdr = 16; max_hdr = max_linkhdr + max_protohdr; max_datalen = MHLEN - max_hdr; timeout(pffasttimo, NULL, 1); timeout(pfslowtimo, NULL, 1); } struct protosw * pffindtype(family, type) int family, type; { register struct domain *dp; register struct protosw *pr; for (dp = domains; dp; dp = dp->dom_next) if (dp->dom_family == family) goto found; return (0); found: for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++) if (pr->pr_type && pr->pr_type == type) return (pr); return (0); } struct protosw * pffindproto(family, protocol, type) int family, protocol, type; { register struct domain *dp; register struct protosw *pr; struct protosw *maybe = 0; if (family == 0) return (0); for (dp = domains; dp; dp = dp->dom_next) if (dp->dom_family == family) goto found; return (0); found: for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++) { if ((pr->pr_protocol == protocol) && (pr->pr_type == type)) return (pr); if (type == SOCK_RAW && pr->pr_type == SOCK_RAW && pr->pr_protocol == 0 && maybe == (struct protosw *)0) maybe = pr; } return (maybe); } int net_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p) int *name; u_int namelen; void *oldp; size_t *oldlenp; void *newp; size_t newlen; struct proc *p; { register struct domain *dp; register struct protosw *pr; int family, protocol; /* * All sysctl names at this level are nonterminal; * next two components are protocol family and protocol number, * then at least one addition component. */ if (namelen < 3) return (EISDIR); /* overloaded */ family = name[0]; protocol = name[1]; if (family == 0) return (0); for (dp = domains; dp; dp = dp->dom_next) if (dp->dom_family == family) goto found; return (ENOPROTOOPT); found: for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++) if (pr->pr_protocol == protocol && pr->pr_sysctl) return ((*pr->pr_sysctl)(name + 2, namelen - 2, oldp, oldlenp, newp, newlen)); return (ENOPROTOOPT); } void pfctlinput(cmd, sa) int cmd; struct sockaddr *sa; { register struct domain *dp; register struct protosw *pr; for (dp = domains; dp; dp = dp->dom_next) for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++) if (pr->pr_ctlinput) (*pr->pr_ctlinput)(cmd, sa, NULL); } void pfslowtimo(arg) void *arg; { register struct domain *dp; register struct protosw *pr; for (dp = domains; dp; dp = dp->dom_next) for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++) if (pr->pr_slowtimo) (*pr->pr_slowtimo)(); timeout(pfslowtimo, NULL, hz/2); } void pffasttimo(arg) void *arg; { register struct domain *dp; register struct protosw *pr; for (dp = domains; dp; dp = dp->dom_next) for (pr = dp->dom_protosw; pr < dp->dom_protoswNPROTOSW; pr++) if (pr->pr_fasttimo) (*pr->pr_fasttimo)(); timeout(pffasttimo, NULL, hz/5); }