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Commit	Line	Data
	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
	25	*
	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
	27	*/
	28	/*
	29	* Copyright (c) 1988, 1989, 1997, 1998 Apple Computer, Inc.
	30	*
	31	* Modified for MP, 1996 by Tuyen Nguyen
	32	* Modified, March 17, 1997 by Tuyen Nguyen for MacOSX.
	33	*/
	34
	35	/* ddp_proto.c: 2.0, 1.23; 10/18/93; Apple Computer, Inc. */
	36
	37	#include <sys/errno.h>
	38	#include <sys/types.h>
	39	#include <sys/param.h>
	40	#include <machine/spl.h>
	41	#include <sys/systm.h>
	42	#include <sys/kernel.h>
	43	#include <sys/proc.h>
	44	#include <sys/filedesc.h>
	45	#include <sys/fcntl.h>
	46	#include <sys/mbuf.h>
	47	#include <sys/ioctl.h>
	48	#include <sys/malloc.h>
	49	#include <sys/socket.h>
	50	#include <sys/socketvar.h>
	51
	52	#include <net/if.h>
	53
	54	#include <netat/sysglue.h>
	55	#include <netat/appletalk.h>
	56	#include <netat/at_pcb.h>
	57	#include <netat/at_var.h>
	58	#include <netat/ddp.h>
	59	#include <netat/zip.h>
	60
	61	extern at_ifaddr_t *ifID_home;
	62
	63	void ddp_putmsg(gref, mp)
	64	gref_t *gref;
	65	gbuf_t *mp;
	66	{
	67	register ioc_t *iocbp;
	68	register int error;
	69	at_ddp_t *ddp;
	70
	71	switch(gbuf_type(mp)) {
	72	case MSG_DATA :
	73	/* If this message is going out on a socket that's not bound,
	74	* nail it.
	75	*/
	76	ddp = (at_ddp_t *)gbuf_rptr(mp);
	77	if ((ddp->type == DDP_ATP) \|\| (ddp->type == DDP_ADSP)) {
	78	if ((gref == 0) \|\| (gref->lport == 0)) {
	79	int src_addr_included =
	80	((ddp->type==DDP_ATP) && ddp->src_node)? 1 : 0;
	81	(void)ddp_output(&mp, ddp->src_socket,
	82	src_addr_included);
	83	return;
	84	}
	85	}
	86
	87	if ((gref == 0) \|\| (gref->lport == 0)) {
	88	gbuf_freel(mp);
	89	if (gref)
	90	atalk_notify(gref, ENOTCONN);
	91	return;
	92	}
	93	if ((error = ddp_output(&mp, gref->lport, 0)) != 0) {
	94	if (gref)
	95	atalk_notify(gref, error);
	96	}
	97	return;
	98
	99	case MSG_IOCTL :
	100	iocbp = (ioc_t *)gbuf_rptr(mp);
	101	if (DDP_IOC_MYIOCTL(iocbp->ioc_cmd)) {
	102	switch(iocbp->ioc_cmd) {
	103	case DDP_IOC_GET_CFG :
	104	/* Note that DDP_IOC_GET_CFG / AppleTalk ddp_config()
	105	fills in the net and node of the ddp_addr_t param
	106	with the net and node of the default interface,
	107	not the net and node that has been bound, as
	108	getsockname() and sockopt DDP_GETSOCKNAME do.
	109	*/
	110	#ifdef APPLETALK_DEBUG
	111	kprintf("ddp_putmsg: DDP_IOC_GET_CFG\n");
	112	#endif
	113	if (gbuf_cont(mp))
	114	gbuf_freem(gbuf_cont(mp));
	115	if ((gbuf_cont(mp) =
	116	gbuf_alloc(sizeof(ddp_addr_t),
	117	PRI_MED)) == NULL) {
	118	ioc_ack(ENOBUFS, mp, gref);
	119	break;
	120	}
	121	{
	122	/* * was ddp_get_cfg() * */
	123	ddp_addr_t *cfgp =
	124	(ddp_addr_t *)gbuf_rptr(gbuf_cont(mp));
	125	cfgp->inet.net = ifID_home->ifThisNode.s_net;
	126	cfgp->inet.node = ifID_home->ifThisNode.s_node;
	127	#ifdef NOT_YET
	128	cfgp->inet.net = gref->laddr.s_net;
	129	cfgp->inet.node = gref->laddr.s_node;
	130	#endif
	131	cfgp->inet.socket = gref->lport;
	132	cfgp->ddptype = gref->ddptype;
	133	}
	134	gbuf_wset(gbuf_cont(mp), sizeof(ddp_addr_t));
	135	iocbp->ioc_count = sizeof(ddp_addr_t);
	136	ioc_ack(0, mp, gref);
	137	break;
	138	default:
	139	ioc_ack(EINVAL, mp, gref);
	140	break;
	141	}
	142	} else {
	143	/* Unknown ioctl */
	144	ioc_ack(EINVAL, mp, gref);
	145	}
	146	break;
	147	default :
	148	#ifdef APPLETALK_DEBUG
	149	kprintf("unexpected message type in ddp_putmsg: %d/n",
	150	gbuf_type(mp));
	151	#endif
	152	gbuf_freem(mp);
	153	break;
	154	}
	155	return;
	156	} /* ddp_putmsg */
	157
	158	gbuf_t *ddp_compress_msg(mp)
	159	register gbuf_t *mp;
	160	{
	161	register gbuf_t *tmp;
	162
	163	while (gbuf_len(mp) == 0) {
	164	tmp = mp;
	165	mp = gbuf_cont(mp);
	166	gbuf_freeb(tmp);
	167
	168	if (mp == NULL)
	169	break;
	170	}
	171	return (mp);
	172	}