/* $NetBSD: iso.c,v 1.24 1999/07/11 21:28:08 thorpej Exp $ */ /*- * Copyright (c) 1991, 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. * * @(#)iso.c 8.3 (Berkeley) 1/9/95 */ /*********************************************************** Copyright IBM Corporation 1987 All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of IBM not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ******************************************************************/ /* * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison */ /* * iso.c: miscellaneous routines to support the iso address family */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if defined(_KERNEL) && !defined(_LKM) #include "opt_iso.h" #endif #ifdef ISO int iso_interfaces = 0; /* number of external interfaces */ /* * FUNCTION: iso_addrmatch1 * * PURPOSE: decide if the two iso_addrs passed are equal * * RETURNS: true if the addrs match, false if they do not * * SIDE EFFECTS: * * NOTES: */ int iso_addrmatch1(isoaa, isoab) register struct iso_addr *isoaa, *isoab; /* addresses to check */ { u_int compare_len; #ifdef ARGO_DEBUG if (argo_debug[D_ROUTE]) { printf("iso_addrmatch1: comparing lengths: %d to %d\n", isoaa->isoa_len, isoab->isoa_len); printf("a:\n"); dump_buf(isoaa->isoa_genaddr, isoaa->isoa_len); printf("b:\n"); dump_buf(isoab->isoa_genaddr, isoab->isoa_len); } #endif if ((compare_len = isoaa->isoa_len) != isoab->isoa_len) { #ifdef ARGO_DEBUG if (argo_debug[D_ROUTE]) { printf("iso_addrmatch1: returning false because of lengths\n"); } #endif return 0; } #ifdef notdef /* TODO : generalize this to all afis with masks */ if (isoaa->isoa_afi == AFI_37) { /* * must not compare 2 least significant digits, or for that * matter, the DSP */ compare_len = ADDR37_IDI_LEN - 1; } #endif #ifdef ARGO_DEBUG if (argo_debug[D_ROUTE]) { int i; char *a, *b; a = isoaa->isoa_genaddr; b = isoab->isoa_genaddr; for (i = 0; i < compare_len; i++) { printf("<%x=%x>", a[i] & 0xff, b[i] & 0xff); if (a[i] != b[i]) { printf("\naddrs are not equal at byte %d\n", i); return (0); } } printf("\n"); printf("addrs are equal\n"); return (1); } #endif return (!bcmp(isoaa->isoa_genaddr, isoab->isoa_genaddr, compare_len)); } /* * FUNCTION: iso_addrmatch * * PURPOSE: decide if the two sockadrr_isos passed are equal * * RETURNS: true if the addrs match, false if they do not * * SIDE EFFECTS: * * NOTES: */ int iso_addrmatch(sisoa, sisob) struct sockaddr_iso *sisoa, *sisob; /* addresses to check */ { return (iso_addrmatch1(&sisoa->siso_addr, &sisob->siso_addr)); } #ifdef notdef /* * FUNCTION: iso_netmatch * * PURPOSE: similar to iso_addrmatch but takes sockaddr_iso * as argument. * * RETURNS: true if same net, false if not * * SIDE EFFECTS: * * NOTES: */ int iso_netmatch(sisoa, sisob) struct sockaddr_iso *sisoa, *sisob; { u_char bufa[sizeof(struct sockaddr_iso)]; u_char bufb[sizeof(struct sockaddr_iso)]; register int lena, lenb; lena = iso_netof(&sisoa->siso_addr, bufa); lenb = iso_netof(&sisob->siso_addr, bufb); #ifdef ARGO_DEBUG if (argo_debug[D_ROUTE]) { printf("iso_netmatch: comparing lengths: %d to %d\n", lena, lenb); printf("a:\n"); dump_buf(bufa, lena); printf("b:\n"); dump_buf(bufb, lenb); } #endif return ((lena == lenb) && (!bcmp(bufa, bufb, lena))); } #endif /* notdef */ /* * FUNCTION: iso_hashchar * * PURPOSE: Hash all character in the buffer specified into * a long. Return the long. * * RETURNS: The hash value. * * SIDE EFFECTS: * * NOTES: The hash is achieved by exclusive ORing 4 byte * quantities. */ u_long iso_hashchar(buf, len) register caddr_t buf; /* buffer to pack from */ register int len; /* length of buffer */ { register u_long h = 0; register int i; for (i = 0; i < len; i += 4) { register u_long l = 0; if ((len - i) < 4) { /* buffer not multiple of 4 */ switch (len - i) { case 3: l |= buf[i + 2] << 8; case 2: l |= buf[i + 1] << 16; case 1: l |= buf[i] << 24; break; default: printf("iso_hashchar: unexpected value x%x\n", len - i); break; } } else { l |= buf[i] << 24; l |= buf[i + 1] << 16; l |= buf[i + 2] << 8; l |= buf[i + 3]; } h ^= l; } h ^= (u_long) (len % 4); return (h); } #ifdef notdef /* * FUNCTION: iso_hash * * PURPOSE: Fill in fields of afhash structure based upon addr * passed. * * RETURNS: none * * SIDE EFFECTS: * * NOTES: */ void iso_hash(siso, hp) struct sockaddr_iso *siso; /* address to perform hash on */ struct afhash *hp; /* RETURN: hash info here */ { u_long buf[sizeof(struct sockaddr_iso) + 1 / 4]; register int bufsize; bzero(buf, sizeof(buf)); bufsize = iso_netof(&siso->siso_addr, buf); hp->afh_nethash = iso_hashchar((caddr_t) buf, bufsize); #ifdef ARGO_DEBUG if (argo_debug[D_ROUTE]) { printf("iso_hash: iso_netof: bufsize = %d\n", bufsize); } #endif hp->afh_hosthash = iso_hashchar((caddr_t) & siso->siso_addr, siso->siso_addr.isoa_len); #ifdef ARGO_DEBUG if (argo_debug[D_ROUTE]) { printf("iso_hash: %s: nethash = x%x, hosthash = x%x\n", clnp_iso_addrp(&siso->siso_addr), hp->afh_nethash, hp->afh_hosthash); } #endif } /* * FUNCTION: iso_netof * * PURPOSE: Extract the network portion of the iso address. * The network portion of the iso address varies depending * on the type of address. The network portion of the * address will include the IDP. The network portion is: * * TYPE DESC * t37 The AFI and x.121 (IDI) * osinet The AFI, orgid, snetid * rfc986 The AFI, vers and network part * of internet address. * * RETURNS: number of bytes placed into buf. * * SIDE EFFECTS: * * NOTES: Buf is assumed to be big enough */ u_int iso_netof(isoa, buf) struct iso_addr *isoa; /* address */ caddr_t buf; /* RESULT: network portion of address here */ { u_int len = 1;/* length of afi */ switch (isoa->isoa_afi) { case AFI_37: /* * Due to classic x.25 tunnel vision, there is no * net portion of an x.121 address. For our purposes * the AFI will do, so that all x.25 -type addresses * map to the single x.25 SNPA. (Cannot have more than * one, obviously). */ break; /* case AFI_OSINET: */ case AFI_RFC986:{ u_short idi; /* value of idi */ /* osinet and rfc986 have idi in the same place */ CTOH(isoa->rfc986_idi[0], isoa->rfc986_idi[1], idi); if (idi == IDI_OSINET) /* * Network portion of OSINET address can only * be the IDI. Clearly, with one x25 interface, * one could get to several orgids, and * several snetids. */ #if 0 len += (ADDROSINET_IDI_LEN + OVLOSINET_ORGID_LEN + OVLOSINET_SNETID_LEN); #endif len += ADDROSINET_IDI_LEN; else if (idi == IDI_RFC986) { struct ovl_rfc986 *o986 = (struct ovl_rfc986 *) isoa; /* * bump len to include idi and version (1 * byte) */ len += ADDRRFC986_IDI_LEN + 1; #ifdef ARGO_DEBUG if (argo_debug[D_ROUTE]) { printf("iso_netof: isoa "); dump_buf(isoa, sizeof(*isoa)); printf("iso_netof: inetaddr 0x%x ", inetaddr); } #endif /* * bump len by size of network portion of * inet address */ if (IN_CLASSA(o986->o986_inetaddr)) { len += 4 - IN_CLASSA_NSHIFT / 8; #ifdef ARGO_DEBUG if (argo_debug[D_ROUTE]) { printf("iso_netof: class A net len is now %d\n", len); } #endif } else if (IN_CLASSB(o986->o986_inetaddr)) { len += 4 - IN_CLASSB_NSHIFT / 8; #ifdef ARGO_DEBUG if (argo_debug[D_ROUTE]) { printf("iso_netof: class B net len is now %d\n", len); } #endif } else { len += 4 - IN_CLASSC_NSHIFT / 8; #ifdef ARGO_DEBUG if (argo_debug[D_ROUTE]) { printf("iso_netof: class C net len is now %d\n", len); } #endif } } else len = 0; } break; default: len = 0; } bcopy((caddr_t) isoa, buf, len); #ifdef ARGO_DEBUG if (argo_debug[D_ROUTE]) { printf("iso_netof: isoa "); dump_buf(isoa, len); printf("iso_netof: net "); dump_buf(buf, len); } #endif return len; } #endif /* notdef */ /* * Generic iso control operations (ioctl's). * Ifp is 0 if not an interface-specific ioctl. */ /* ARGSUSED */ int iso_control(so, cmd, data, ifp, p) struct socket *so; u_long cmd; caddr_t data; register struct ifnet *ifp; struct proc *p; { register struct iso_ifreq *ifr = (struct iso_ifreq *) data; register struct iso_ifaddr *ia = 0; struct iso_aliasreq *ifra = (struct iso_aliasreq *) data; int error, hostIsNew, maskIsNew; /* * Find address for this interface, if it exists. */ if (ifp) for (ia = iso_ifaddr.tqh_first; ia != 0; ia = ia->ia_list.tqe_next) if (ia->ia_ifp == ifp) break; switch (cmd) { case SIOCAIFADDR_ISO: case SIOCDIFADDR_ISO: if (ifra->ifra_addr.siso_family == AF_ISO) for (; ia != 0; ia = ia->ia_list.tqe_next) { if (ia->ia_ifp == ifp && SAME_ISOADDR(&ia->ia_addr, &ifra->ifra_addr)) break; } if (cmd == SIOCDIFADDR_ISO && ia == 0) return (EADDRNOTAVAIL); /* FALLTHROUGH */ #if 0 case SIOCSIFADDR: case SIOCSIFNETMASK: case SIOCSIFDSTADDR: #endif if (p == 0 || (error = suser(p->p_ucred, &p->p_acflag))) return (EPERM); if (ifp == 0) panic("iso_control"); if (ia == 0) { MALLOC(ia, struct iso_ifaddr *, sizeof(*ia), M_IFADDR, M_WAITOK); if (ia == 0) return (ENOBUFS); bzero((caddr_t)ia, sizeof(*ia)); TAILQ_INSERT_TAIL(&iso_ifaddr, ia, ia_list); TAILQ_INSERT_TAIL(&ifp->if_addrlist, (struct ifaddr *)ia, ifa_list); ia->ia_ifa.ifa_addr = sisotosa(&ia->ia_addr); ia->ia_ifa.ifa_dstaddr = sisotosa(&ia->ia_dstaddr); ia->ia_ifa.ifa_netmask = sisotosa(&ia->ia_sockmask); ia->ia_ifp = ifp; if ((ifp->if_flags & IFF_LOOPBACK) == 0) iso_interfaces++; } break; case SIOCGIFADDR_ISO: case SIOCGIFNETMASK_ISO: case SIOCGIFDSTADDR_ISO: if (ia == 0) return (EADDRNOTAVAIL); break; } switch (cmd) { case SIOCGIFADDR_ISO: ifr->ifr_Addr = ia->ia_addr; break; case SIOCGIFDSTADDR_ISO: if ((ifp->if_flags & IFF_POINTOPOINT) == 0) return (EINVAL); ifr->ifr_Addr = ia->ia_dstaddr; break; case SIOCGIFNETMASK_ISO: ifr->ifr_Addr = ia->ia_sockmask; break; case SIOCAIFADDR_ISO: maskIsNew = 0; hostIsNew = 1; error = 0; if (ia->ia_addr.siso_family == AF_ISO) { if (ifra->ifra_addr.siso_len == 0) { ifra->ifra_addr = ia->ia_addr; hostIsNew = 0; } else if (SAME_ISOADDR(&ia->ia_addr, &ifra->ifra_addr)) hostIsNew = 0; } if (ifra->ifra_mask.siso_len) { iso_ifscrub(ifp, ia); ia->ia_sockmask = ifra->ifra_mask; maskIsNew = 1; } if ((ifp->if_flags & IFF_POINTOPOINT) && (ifra->ifra_dstaddr.siso_family == AF_ISO)) { iso_ifscrub(ifp, ia); ia->ia_dstaddr = ifra->ifra_dstaddr; maskIsNew = 1; /* We lie; but the effect's the same */ } if (ifra->ifra_addr.siso_family == AF_ISO && (hostIsNew || maskIsNew)) error = iso_ifinit(ifp, ia, &ifra->ifra_addr, 0); if (ifra->ifra_snpaoffset) ia->ia_snpaoffset = ifra->ifra_snpaoffset; return (error); case SIOCDIFADDR_ISO: iso_ifscrub(ifp, ia); TAILQ_REMOVE(&ifp->if_addrlist, (struct ifaddr *)ia, ifa_list); TAILQ_REMOVE(&iso_ifaddr, ia, ia_list); IFAFREE((&ia->ia_ifa)); break; #define cmdbyte(x) (((x) >> 8) & 0xff) default: if (cmdbyte(cmd) == 'a') return (snpac_ioctl(so, cmd, data, p)); if (ifp == 0 || ifp->if_ioctl == 0) return (EOPNOTSUPP); return ((*ifp->if_ioctl)(ifp, cmd, data)); } return (0); } /* * Delete any existing route for an interface. */ void iso_ifscrub(ifp, ia) register struct ifnet *ifp; register struct iso_ifaddr *ia; { int nsellength = ia->ia_addr.siso_tlen; if ((ia->ia_flags & IFA_ROUTE) == 0) return; ia->ia_addr.siso_tlen = 0; if (ifp->if_flags & IFF_LOOPBACK) rtinit(&(ia->ia_ifa), (int) RTM_DELETE, RTF_HOST); else if (ifp->if_flags & IFF_POINTOPOINT) rtinit(&(ia->ia_ifa), (int) RTM_DELETE, RTF_HOST); else { rtinit(&(ia->ia_ifa), (int) RTM_DELETE, 0); } ia->ia_addr.siso_tlen = nsellength; ia->ia_flags &= ~IFA_ROUTE; } /* * Initialize an interface's internet address * and routing table entry. */ int iso_ifinit(ifp, ia, siso, scrub) register struct ifnet *ifp; register struct iso_ifaddr *ia; struct sockaddr_iso *siso; int scrub; { struct sockaddr_iso oldaddr; int s = splimp(), error, nsellength; oldaddr = ia->ia_addr; ia->ia_addr = *siso; /* * Give the interface a chance to initialize * if this is its first address, * and to validate the address if necessary. */ if (ifp->if_ioctl && (error = (*ifp->if_ioctl) (ifp, SIOCSIFADDR, (caddr_t) ia))) { splx(s); ia->ia_addr = oldaddr; return (error); } if (scrub) { ia->ia_ifa.ifa_addr = sisotosa(&oldaddr); iso_ifscrub(ifp, ia); ia->ia_ifa.ifa_addr = sisotosa(&ia->ia_addr); } /* * XXX -- The following is here temporarily out of laziness in not * changing every ethernet driver's if_ioctl routine */ if (ifp->if_type == IFT_ETHER || ifp->if_type == IFT_FDDI) { ia->ia_ifa.ifa_rtrequest = llc_rtrequest; ia->ia_ifa.ifa_flags |= RTF_CLONING; } /* * Add route for the network. */ nsellength = ia->ia_addr.siso_tlen; ia->ia_addr.siso_tlen = 0; if (ifp->if_flags & IFF_LOOPBACK) { ia->ia_ifa.ifa_dstaddr = ia->ia_ifa.ifa_addr; error = rtinit(&(ia->ia_ifa), (int) RTM_ADD, RTF_HOST | RTF_UP); } else if (ifp->if_flags & IFF_POINTOPOINT && ia->ia_dstaddr.siso_family == AF_ISO) error = rtinit(&(ia->ia_ifa), (int) RTM_ADD, RTF_HOST | RTF_UP); else { rt_maskedcopy(ia->ia_ifa.ifa_addr, ia->ia_ifa.ifa_dstaddr, ia->ia_ifa.ifa_netmask); ia->ia_dstaddr.siso_nlen = min(ia->ia_addr.siso_nlen, (ia->ia_sockmask.siso_len - 6)); error = rtinit(&(ia->ia_ifa), (int) RTM_ADD, RTF_UP); } ia->ia_addr.siso_tlen = nsellength; ia->ia_flags |= IFA_ROUTE; splx(s); return (error); } #ifdef notdef struct ifaddr * iso_ifwithidi(addr) register struct sockaddr *addr; { register struct ifnet *ifp; register struct ifaddr *ifa; register u_int af = addr->sa_family; if (af != AF_ISO) return (0); #ifdef ARGO_DEBUG if (argo_debug[D_ROUTE]) { printf(">>> iso_ifwithidi addr\n"); dump_isoaddr(satosiso(addr)); printf("\n"); } #endif for (ifp = ifnet.tqh_first; ifp != 0; ifp = ifp->if_list.tqe_next) { #ifdef ARGO_DEBUG if (argo_debug[D_ROUTE]) { printf("iso_ifwithidi ifnet %s\n", ifp->if_name); } #endif for (ifa = ifp->if_addrlist.tqh_first; ifa != 0; ifa = ifa->ifa_list.tqe_next) { #ifdef ARGO_DEBUG if (argo_debug[D_ROUTE]) { printf("iso_ifwithidi address "); dump_isoaddr(satosiso(ifa->ifa_addr)); } #endif if (ifa->ifa_addr->sa_family != addr->sa_family) continue; #ifdef ARGO_DEBUG if (argo_debug[D_ROUTE]) { printf(" af same, args to iso_eqtype:\n"); printf("0x%x ", satosiso(ifa->ifa_addr)->siso_addr); printf(" 0x%x\n", &satosiso(addr)->siso_addr)); } #endif if (iso_eqtype(&satosiso(ifa->ifa_addr)->siso_addr, &satosiso(addr)->siso_addr)) { #ifdef ARGO_DEBUG if (argo_debug[D_ROUTE]) { printf("ifa_ifwithidi: ifa found\n"); } #endif return (ifa); } #ifdef ARGO_DEBUG if (argo_debug[D_ROUTE]) { printf(" iso_eqtype failed\n"); } #endif } } return ((struct ifaddr *) 0); } #endif /* notdef */ /* * FUNCTION: iso_ck_addr * * PURPOSE: return true if the iso_addr passed is * within the legal size limit for an iso address. * * RETURNS: true or false * * SIDE EFFECTS: * */ int iso_ck_addr(isoa) struct iso_addr *isoa; /* address to check */ { return (isoa->isoa_len <= 20); } #ifdef notdef /* * FUNCTION: iso_eqtype * * PURPOSE: Determine if two iso addresses are of the same type. * This is flaky. Really we should consider all type * 47 addrs to be the same - but there do exist different * structures for 47 addrs. Gosip adds a 3rd. * * RETURNS: true if the addresses are the same type * * SIDE EFFECTS: * * NOTES: By type, I mean rfc986, t37, or osinet * * This will first compare afis. If they match, then * if the addr is not t37, the idis must be compared. */ int iso_eqtype(isoaa, isoab) struct iso_addr *isoaa; /* first addr to check */ struct iso_addr *isoab; /* other addr to check */ { if (isoaa->isoa_afi == isoab->isoa_afi) { if (isoaa->isoa_afi == AFI_37) return (1); else return (!bcmp(&isoaa->isoa_u, &isoab->isoa_u, 2)); } return (0); } #endif /* notdef */ /* * FUNCTION: iso_localifa() * * PURPOSE: Find an interface addresss having a given destination * or at least matching the net. * * RETURNS: ptr to an interface address * * SIDE EFFECTS: * * NOTES: */ struct iso_ifaddr * iso_localifa(siso) register struct sockaddr_iso *siso; { register struct iso_ifaddr *ia; register char *cp1, *cp2, *cp3; register struct ifnet *ifp; struct iso_ifaddr *ia_maybe = 0; /* * We make one pass looking for both net matches and an exact * dst addr. */ for (ia = iso_ifaddr.tqh_first; ia != 0; ia = ia->ia_list.tqe_next) { if ((ifp = ia->ia_ifp) == 0 || ((ifp->if_flags & IFF_UP) == 0)) continue; if (ifp->if_flags & IFF_POINTOPOINT) { if ((ia->ia_dstaddr.siso_family == AF_ISO) && SAME_ISOADDR(&ia->ia_dstaddr, siso)) return (ia); else if (SAME_ISOADDR(&ia->ia_addr, siso)) ia_maybe = ia; continue; } if (ia->ia_sockmask.siso_len) { char *cplim = ia->ia_sockmask.siso_len + (char *) &ia->ia_sockmask; cp1 = ia->ia_sockmask.siso_data; cp2 = siso->siso_data; cp3 = ia->ia_addr.siso_data; while (cp1 < cplim) if (*cp1++ & (*cp2++ ^ *cp3++)) goto next; ia_maybe = ia; } if (SAME_ISOADDR(&ia->ia_addr, siso)) return ia; next: ; } return ia_maybe; } #ifdef TPCONS #include #endif /* TPCONS */ /* * FUNCTION: iso_nlctloutput * * PURPOSE: Set options at the network level * * RETURNS: E* * * SIDE EFFECTS: * * NOTES: This could embody some of the functions of * rclnp_ctloutput and cons_ctloutput. */ int iso_nlctloutput(cmd, optname, pcb, m) int cmd; /* command:set or get */ int optname;/* option of interest */ caddr_t pcb; /* nl pcb */ struct mbuf *m; /* data for set, buffer for get */ { #ifdef TPCONS struct isopcb *isop = (struct isopcb *) pcb; #endif int error = 0; /* return value */ caddr_t data; /* data for option */ int data_len; /* data's length */ #ifdef ARGO_DEBUG if (argo_debug[D_ISO]) { printf("iso_nlctloutput: cmd %x, opt %x, pcb %p, m %p\n", cmd, optname, pcb, m); } #endif if ((cmd != PRCO_GETOPT) && (cmd != PRCO_SETOPT)) return (EOPNOTSUPP); data = mtod(m, caddr_t); data_len = (m)->m_len; #ifdef ARGO_DEBUG if (argo_debug[D_ISO]) { printf("iso_nlctloutput: data is:\n"); dump_buf(data, data_len); } #endif switch (optname) { #ifdef TPCONS case CONSOPT_X25CRUD: if (cmd == PRCO_GETOPT) { error = EOPNOTSUPP; break; } if (data_len > MAXX25CRUDLEN) { error = EINVAL; break; } #ifdef ARGO_DEBUG if (argo_debug[D_ISO]) { printf("iso_nlctloutput: setting x25 crud\n"); } #endif bcopy(data, (caddr_t) isop->isop_x25crud, (unsigned) data_len); isop->isop_x25crud_len = data_len; break; #endif /* TPCONS */ default: error = EOPNOTSUPP; } if (cmd == PRCO_SETOPT) m_freem(m); return error; } #endif /* ISO */ #ifdef ARGO_DEBUG /* * FUNCTION: dump_isoaddr * * PURPOSE: debugging * * RETURNS: nada * */ void dump_isoaddr(s) struct sockaddr_iso *s; { if (s->siso_family == AF_ISO) { printf("ISO address: suffixlen %d, %s\n", s->siso_tlen, clnp_saddr_isop(s)); } else if (s->siso_family == AF_INET) { /* hack */ struct sockaddr_in *sin = satosin(s); printf("%d.%d.%d.%d: %d", (sin->sin_addr.s_addr >> 24) & 0xff, (sin->sin_addr.s_addr >> 16) & 0xff, (sin->sin_addr.s_addr >> 8) & 0xff, (sin->sin_addr.s_addr) & 0xff, sin->sin_port); } } #endif /* ARGO_DEBUG */