[apple/xnu.git] / bsd / netiso / clnp_raw.c

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*-
 * 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.
 *
 *	@(#)clnp_raw.c	8.1 (Berkeley) 6/10/93
 */

/***********************************************************
				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
 */

#include <sys/param.h>
#include <sys/mbuf.h>
#include <sys/domain.h>
#include <sys/protosw.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/errno.h>
#include <sys/time.h>
#include <sys/malloc.h>

#include <net/if.h>
#include <net/route.h>
#include <net/raw_cb.h>

#include <netiso/iso.h>
#include <netiso/iso_pcb.h>
#include <netiso/clnp.h>
#include <netiso/clnp_stat.h>
#include <netiso/argo_debug.h>

#include <netiso/tp_user.h>		/* XXX -- defines SOL_NETWORK */

struct sockproto	rclnp_proto	= { PF_ISO, 0 };
/*
 * FUNCTION:		rclnp_input
 *
 * PURPOSE:			Setup generic address an protocol structures for
 *					raw input routine, then pass them along with the
 *					mbuf chain.
 *
 * RETURNS:			none
 *
 * SIDE EFFECTS:	
 *
 * NOTES:			The protocol field of rclnp_proto is set to zero indicating
 *					no protocol.
 */
rclnp_input(m, src, dst, hdrlen)
struct mbuf 		*m;		/* ptr to packet */
struct sockaddr_iso	*src;	/* ptr to src address */
struct sockaddr_iso	*dst;	/* ptr to dest address */
int					hdrlen; /* length (in bytes) of clnp header */
{
#ifdef	TROLL
	if (trollctl.tr_ops & TR_CHUCK) {
		m_freem(m);
		return;
	}
#endif	/* TROLL */

	raw_input(m, &rclnp_proto, (struct sockaddr *)src, (struct sockaddr *)dst);
}

/*
 * FUNCTION:		rclnp_output
 *
 * PURPOSE:			Prepare to send a raw clnp packet. Setup src and dest
 *					addresses, count the number of bytes to send, and
 *					call clnp_output.
 *
 * RETURNS:			success - 0
 *					failure - an appropriate error code
 *
 * SIDE EFFECTS:	
 *
 * NOTES:			
 */
rclnp_output(m0, so)
struct mbuf		*m0;		/* packet to send */
struct socket	*so;	/* socket to send from */
{
	register struct mbuf	*m;			/* used to scan a chain */
	int						len = 0;	/* store length of chain here */
	struct rawisopcb		*rp = sotorawisopcb(so); /* ptr to raw cb */
	int						error;		/* return value of function */
	int						flags;		/* flags for clnp_output */

	if (0 == (m0->m_flags & M_PKTHDR))
		return (EINVAL);
	/*
	 *	Set up src address. If user has bound socket to an address, use it.
	 *	Otherwise, do not specify src (clnp_output will fill it in).
	 */
	if (rp->risop_rcb.rcb_laddr) {
		if (rp->risop_isop.isop_sladdr.siso_family != AF_ISO) {
bad:
			m_freem(m0);
			return(EAFNOSUPPORT);
		}
	}
	/* set up dest address */
	if (rp->risop_rcb.rcb_faddr == 0)
		goto bad;
	rp->risop_isop.isop_sfaddr =
				*(struct sockaddr_iso *)rp->risop_rcb.rcb_faddr;
	rp->risop_isop.isop_faddr = &rp->risop_isop.isop_sfaddr;

	/* get flags and ship it off */
	flags = rp->risop_flags & CLNP_VFLAGS;

	error = clnp_output(m0, &rp->risop_isop, m0->m_pkthdr.len,
												flags|CLNP_NOCACHE);

	return (error);
}

/*
 * FUNCTION:		rclnp_ctloutput
 *
 * PURPOSE:			Raw clnp socket option processing
 *					All options are stored inside an mbuf. 
 *
 * RETURNS:			success - 0
 *					failure - unix error code
 *
 * SIDE EFFECTS:	If the options mbuf does not exist, it the mbuf passed
 *					is used.
 *
 * NOTES:			
 */
rclnp_ctloutput(op, so, level, optname, m)
int				op;				/* type of operation */
struct socket	*so;			/* ptr to socket */
int 			level;			/* level of option */
int				optname;		/* name of option */
struct mbuf		**m;			/* ptr to ptr to option data */
{
	int						error = 0;
	register struct rawisopcb	*rp = sotorawisopcb(so);/* raw cb ptr */

	IFDEBUG(D_CTLOUTPUT)
		printf("rclnp_ctloutput: op = x%x, level = x%x, name = x%x\n",
			op, level, optname);
		if (*m != NULL) {
			printf("rclnp_ctloutput: %d bytes of mbuf data\n", (*m)->m_len);
			dump_buf(mtod((*m), caddr_t), (*m)->m_len);
		}
	ENDDEBUG

#ifdef SOL_NETWORK
	if (level != SOL_NETWORK)
		error = EINVAL;
	else switch (op) {
#else
	switch (op) {
#endif /* SOL_NETWORK */
		case PRCO_SETOPT:
			switch (optname) {
				case CLNPOPT_FLAGS: {
					u_short	usr_flags;
					/* 
					 *	Insure that the data passed has exactly one short in it 
					 */
					if ((*m == NULL) || ((*m)->m_len != sizeof(short))) {
						error = EINVAL;
						break;
					}
					 
					/*
					 *	Don't allow invalid flags to be set
					 */
					usr_flags = (*mtod((*m), short *));

					if ((usr_flags & (CLNP_VFLAGS)) != usr_flags) {
						error = EINVAL;
					} else
						rp->risop_flags |= usr_flags;

					} break;
			
				case CLNPOPT_OPTS:
					if (error = clnp_set_opts(&rp->risop_isop.isop_options, m))
						break;
					rp->risop_isop.isop_optindex = m_get(M_WAIT, MT_SOOPTS);
					(void) clnp_opt_sanity(rp->risop_isop.isop_options, 
						mtod(rp->risop_isop.isop_options, caddr_t),
						rp->risop_isop.isop_options->m_len, 
						mtod(rp->risop_isop.isop_optindex,
							struct clnp_optidx *));
					break;
			} 
			break;

		case PRCO_GETOPT:
#ifdef notdef
			/* commented out to keep hi C quiet */
			switch (optname) {
				default:
					error = EINVAL;
					break;
			}
#endif /* notdef */
			break;
		default:
			error = EINVAL;
			break;
	}
	if (op == PRCO_SETOPT) {
		/* note: m_freem does not barf is *m is NULL */
		m_freem(*m);
		*m = NULL;
	}
	
	return error;
}

/*ARGSUSED*/
clnp_usrreq(so, req, m, nam, control)
	register struct socket *so;
	int req;
	struct mbuf *m, *nam, *control;
{
	register int error = 0;
	register struct rawisopcb *rp = sotorawisopcb(so);

	rp = sotorawisopcb(so);
	switch (req) {

	case PRU_ATTACH:
		if (rp)
			panic("rip_attach");
		MALLOC(rp, struct rawisopcb *, sizeof *rp, M_PCB, M_WAITOK);
		if (rp == 0)
			return (ENOBUFS);
		bzero((caddr_t)rp, sizeof *rp);
		so->so_pcb = (caddr_t)rp;
		break;

	case PRU_DETACH:
		if (rp == 0)
			panic("rip_detach");
		if (rp->risop_isop.isop_options)
			m_freem(rp->risop_isop.isop_options);
		if (rp->risop_isop.isop_route.ro_rt)
			RTFREE(rp->risop_isop.isop_route.ro_rt);
		if (rp->risop_rcb.rcb_laddr)
			rp->risop_rcb.rcb_laddr = 0;
		/* free clnp cached hdr if necessary */
		if (rp->risop_isop.isop_clnpcache != NULL) {
			struct clnp_cache *clcp = 
				mtod(rp->risop_isop.isop_clnpcache, struct clnp_cache *);
			if (clcp->clc_hdr != NULL) {
				m_free(clcp->clc_hdr);
			}
			m_free(rp->risop_isop.isop_clnpcache);
		}
		if (rp->risop_isop.isop_optindex != NULL)
			m_free(rp->risop_isop.isop_optindex);

		break;

	case PRU_BIND:
	    {
		struct sockaddr_iso *addr = mtod(nam, struct sockaddr_iso *);

		if (nam->m_len != sizeof(*addr))
			return (EINVAL);
		if ((ifnet == 0) ||
		    (addr->siso_family != AF_ISO) ||
		    (addr->siso_addr.isoa_len  &&
		     ifa_ifwithaddr((struct sockaddr *)addr) == 0))
			return (EADDRNOTAVAIL);
		rp->risop_isop.isop_sladdr = *addr;
		rp->risop_rcb.rcb_laddr = (struct sockaddr *)
			(rp->risop_isop.isop_laddr = &rp->risop_isop.isop_sladdr);
		return (0);
	    }
	case PRU_CONNECT:
	    {
		struct sockaddr_iso *addr = mtod(nam, struct sockaddr_iso *);

		if ((nam->m_len > sizeof(*addr)) || (addr->siso_len > sizeof(*addr)))
			return (EINVAL);
		if (ifnet == 0)
			return (EADDRNOTAVAIL);
		if (addr->siso_family != AF_ISO)
		rp->risop_isop.isop_sfaddr = *addr;
		rp->risop_rcb.rcb_faddr = (struct sockaddr *)
			(rp->risop_isop.isop_faddr = &rp->risop_isop.isop_sfaddr);
		soisconnected(so);
		return (0);
	    }
	}
	error =  raw_usrreq(so, req, m, nam, control);

	if (error && req == PRU_ATTACH && so->so_pcb)
		FREE((caddr_t)rp, M_PCB);
	return (error);
}
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
	11	*
	12	* This Original Code and all software distributed under the License are
	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	/*-
	23	* Copyright (c) 1991, 1993
	24	* The Regents of the University of California. All rights reserved.
	25	*
	26	* Redistribution and use in source and binary forms, with or without
	27	* modification, are permitted provided that the following conditions
	28	* are met:
	29	* 1. Redistributions of source code must retain the above copyright
	30	* notice, this list of conditions and the following disclaimer.
	31	* 2. Redistributions in binary form must reproduce the above copyright
	32	* notice, this list of conditions and the following disclaimer in the
	33	* documentation and/or other materials provided with the distribution.
	34	* 3. All advertising materials mentioning features or use of this software
	35	* must display the following acknowledgement:
	36	* This product includes software developed by the University of
	37	* California, Berkeley and its contributors.
	38	* 4. Neither the name of the University nor the names of its contributors
	39	* may be used to endorse or promote products derived from this software
	40	* without specific prior written permission.
	41	*
	42	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	43	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	44	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	45	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	46	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	47	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	48	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	49	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	50	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	51	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	52	* SUCH DAMAGE.
	53	*
	54	* @(#)clnp_raw.c 8.1 (Berkeley) 6/10/93
	55	*/
	56
	57	/***********************************************************
	58	Copyright IBM Corporation 1987
	59
	60	All Rights Reserved
	61
	62	Permission to use, copy, modify, and distribute this software and its
	63	documentation for any purpose and without fee is hereby granted,
	64	provided that the above copyright notice appear in all copies and that
65	both that copyright notice and this permission notice appear in
66	supporting documentation, and that the name of IBM not be
67	used in advertising or publicity pertaining to distribution of the
68	software without specific, written prior permission.
69
70	IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
71	ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
72	IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
73	ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
74	WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
75	ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
76	SOFTWARE.
77
78	******************************************************************/
79
80	/*
81	* ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
82	*/
83
84	#include <sys/param.h>
85	#include <sys/mbuf.h>
86	#include <sys/domain.h>
87	#include <sys/protosw.h>
88	#include <sys/socket.h>
89	#include <sys/socketvar.h>
90	#include <sys/errno.h>
91	#include <sys/time.h>
92	#include <sys/malloc.h>
93
94	#include <net/if.h>
95	#include <net/route.h>
96	#include <net/raw_cb.h>
97
98	#include <netiso/iso.h>
99	#include <netiso/iso_pcb.h>
100	#include <netiso/clnp.h>
101	#include <netiso/clnp_stat.h>
102	#include <netiso/argo_debug.h>
103
104	#include <netiso/tp_user.h> /* XXX -- defines SOL_NETWORK */
105
106	struct sockproto rclnp_proto = { PF_ISO, 0 };
107	/*
108	* FUNCTION: rclnp_input
109	*
110	* PURPOSE: Setup generic address an protocol structures for
111	* raw input routine, then pass them along with the
112	* mbuf chain.
113	*
114	* RETURNS: none
115	*
116	* SIDE EFFECTS:
117	*
118	* NOTES: The protocol field of rclnp_proto is set to zero indicating
119	* no protocol.
120	*/
121	rclnp_input(m, src, dst, hdrlen)
122	struct mbuf m; / ptr to packet */
123	struct sockaddr_iso src; / ptr to src address */
124	struct sockaddr_iso dst; / ptr to dest address */
125	int hdrlen; /* length (in bytes) of clnp header */
126	{
127	#ifdef TROLL
128	if (trollctl.tr_ops & TR_CHUCK) {
129	m_freem(m);
130	return;
131	}
132	#endif /* TROLL */
133
134	raw_input(m, &rclnp_proto, (struct sockaddr )src, (struct sockaddr )dst);
135	}
136
137	/*
138	* FUNCTION: rclnp_output
139	*
140	* PURPOSE: Prepare to send a raw clnp packet. Setup src and dest
141	* addresses, count the number of bytes to send, and
142	* call clnp_output.
143	*
144	* RETURNS: success - 0
145	* failure - an appropriate error code
146	*
147	* SIDE EFFECTS:
148	*
149	* NOTES:
150	*/
151	rclnp_output(m0, so)
152	struct mbuf m0; / packet to send */
153	struct socket so; / socket to send from */
154	{
155	register struct mbuf m; / used to scan a chain */
156	int len = 0; /* store length of chain here */
157	struct rawisopcb rp = sotorawisopcb(so); / ptr to raw cb */
158	int error; /* return value of function */
159	int flags; /* flags for clnp_output */
160
161	if (0 == (m0->m_flags & M_PKTHDR))
162	return (EINVAL);
163	/*
164	* Set up src address. If user has bound socket to an address, use it.
165	* Otherwise, do not specify src (clnp_output will fill it in).
166	*/
167	if (rp->risop_rcb.rcb_laddr) {
168	if (rp->risop_isop.isop_sladdr.siso_family != AF_ISO) {
169	bad:
170	m_freem(m0);
171	return(EAFNOSUPPORT);
172	}
173	}
174	/* set up dest address */
175	if (rp->risop_rcb.rcb_faddr == 0)
176	goto bad;
177	rp->risop_isop.isop_sfaddr =
178	(struct sockaddr_iso )rp->risop_rcb.rcb_faddr;
179	rp->risop_isop.isop_faddr = &rp->risop_isop.isop_sfaddr;
180
181	/* get flags and ship it off */
182	flags = rp->risop_flags & CLNP_VFLAGS;
183
184	error = clnp_output(m0, &rp->risop_isop, m0->m_pkthdr.len,
185	flags\|CLNP_NOCACHE);
186
187	return (error);
188	}
189
190	/*
191	* FUNCTION: rclnp_ctloutput
192	*
193	* PURPOSE: Raw clnp socket option processing
194	* All options are stored inside an mbuf.
195	*
196	* RETURNS: success - 0
197	* failure - unix error code
198	*
199	* SIDE EFFECTS: If the options mbuf does not exist, it the mbuf passed
200	* is used.
201	*
202	* NOTES:
203	*/
204	rclnp_ctloutput(op, so, level, optname, m)
205	int op; /* type of operation */
206	struct socket so; / ptr to socket */
207	int level; /* level of option */
208	int optname; /* name of option */
209	struct mbuf *m; / ptr to ptr to option data */
210	{
211	int error = 0;
212	register struct rawisopcb rp = sotorawisopcb(so);/ raw cb ptr */
213
214	IFDEBUG(D_CTLOUTPUT)
215	printf("rclnp_ctloutput: op = x%x, level = x%x, name = x%x\n",
216	op, level, optname);
217	if (*m != NULL) {
218	printf("rclnp_ctloutput: %d bytes of mbuf data\n", (*m)->m_len);
219	dump_buf(mtod((m), caddr_t), (m)->m_len);
220	}
221	ENDDEBUG
222
223	#ifdef SOL_NETWORK
224	if (level != SOL_NETWORK)
225	error = EINVAL;
226	else switch (op) {
227	#else
228	switch (op) {
229	#endif /* SOL_NETWORK */
230	case PRCO_SETOPT:
231	switch (optname) {
232	case CLNPOPT_FLAGS: {
233	u_short usr_flags;
234	/*
235	* Insure that the data passed has exactly one short in it
236	*/
237	if ((m == NULL) \|\| ((m)->m_len != sizeof(short))) {
238	error = EINVAL;
239	break;
240	}
241
242	/*
243	* Don't allow invalid flags to be set
244	*/
245	usr_flags = (mtod((m), short *));
246
247	if ((usr_flags & (CLNP_VFLAGS)) != usr_flags) {
248	error = EINVAL;
249	} else
250	rp->risop_flags \|= usr_flags;
251
252	} break;
253
254	case CLNPOPT_OPTS:
255	if (error = clnp_set_opts(&rp->risop_isop.isop_options, m))
256	break;
257	rp->risop_isop.isop_optindex = m_get(M_WAIT, MT_SOOPTS);
258	(void) clnp_opt_sanity(rp->risop_isop.isop_options,
259	mtod(rp->risop_isop.isop_options, caddr_t),
260	rp->risop_isop.isop_options->m_len,
261	mtod(rp->risop_isop.isop_optindex,
262	struct clnp_optidx *));
263	break;
264	}
265	break;
266
267	case PRCO_GETOPT:
268	#ifdef notdef
269	/* commented out to keep hi C quiet */
270	switch (optname) {
271	default:
272	error = EINVAL;
273	break;
274	}
275	#endif /* notdef */
276	break;
277	default:
278	error = EINVAL;
279	break;
280	}
281	if (op == PRCO_SETOPT) {
282	/* note: m_freem does not barf is m is NULL /
283	m_freem(*m);
284	*m = NULL;
285	}
286
287	return error;
288	}
289
290	/ARGSUSED/
291	clnp_usrreq(so, req, m, nam, control)
292	register struct socket *so;
293	int req;
294	struct mbuf m, nam, *control;
295	{
296	register int error = 0;
297	register struct rawisopcb *rp = sotorawisopcb(so);
298
299	rp = sotorawisopcb(so);
300	switch (req) {
301
302	case PRU_ATTACH:
303	if (rp)
304	panic("rip_attach");
305	MALLOC(rp, struct rawisopcb , sizeof rp, M_PCB, M_WAITOK);
306	if (rp == 0)
307	return (ENOBUFS);
308	bzero((caddr_t)rp, sizeof *rp);
309	so->so_pcb = (caddr_t)rp;
310	break;
311
312	case PRU_DETACH:
313	if (rp == 0)
314	panic("rip_detach");
315	if (rp->risop_isop.isop_options)
316	m_freem(rp->risop_isop.isop_options);
317	if (rp->risop_isop.isop_route.ro_rt)
318	RTFREE(rp->risop_isop.isop_route.ro_rt);
319	if (rp->risop_rcb.rcb_laddr)
320	rp->risop_rcb.rcb_laddr = 0;
321	/* free clnp cached hdr if necessary */
322	if (rp->risop_isop.isop_clnpcache != NULL) {
323	struct clnp_cache *clcp =
324	mtod(rp->risop_isop.isop_clnpcache, struct clnp_cache *);
325	if (clcp->clc_hdr != NULL) {
326	m_free(clcp->clc_hdr);
327	}
328	m_free(rp->risop_isop.isop_clnpcache);
329	}
330	if (rp->risop_isop.isop_optindex != NULL)
331	m_free(rp->risop_isop.isop_optindex);
332
333	break;
334
335	case PRU_BIND:
336	{
337	struct sockaddr_iso addr = mtod(nam, struct sockaddr_iso );
338
339	if (nam->m_len != sizeof(*addr))
340	return (EINVAL);
341	if ((ifnet == 0) \|\|
342	(addr->siso_family != AF_ISO) \|\|
343	(addr->siso_addr.isoa_len &&
344	ifa_ifwithaddr((struct sockaddr *)addr) == 0))
345	return (EADDRNOTAVAIL);
346	rp->risop_isop.isop_sladdr = *addr;
347	rp->risop_rcb.rcb_laddr = (struct sockaddr *)
348	(rp->risop_isop.isop_laddr = &rp->risop_isop.isop_sladdr);
349	return (0);
350	}
351	case PRU_CONNECT:
352	{
353	struct sockaddr_iso addr = mtod(nam, struct sockaddr_iso );
354
355	if ((nam->m_len > sizeof(addr)) \|\| (addr->siso_len > sizeof(addr)))
356	return (EINVAL);
357	if (ifnet == 0)
358	return (EADDRNOTAVAIL);
359	if (addr->siso_family != AF_ISO)
360	rp->risop_isop.isop_sfaddr = *addr;
361	rp->risop_rcb.rcb_faddr = (struct sockaddr *)
362	(rp->risop_isop.isop_faddr = &rp->risop_isop.isop_sfaddr);
363	soisconnected(so);
364	return (0);
365	}
366	}
367	error = raw_usrreq(so, req, m, nam, control);
368
369	if (error && req == PRU_ATTACH && so->so_pcb)
370	FREE((caddr_t)rp, M_PCB);
371	return (error);
372	}