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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <at.h>
#include <snoop.h>
extern char *src_name, *dst_name;
struct socktable {
int pt_num;
char *pt_short;
};
static struct socktable pt_ddp[] = {
{1, "RTMP"},
{2, "NIS"},
{4, "Echoer"},
{6, "ZIS"},
{0, NULL},
};
static struct socktable pt_ddp_types[] = {
{1, "RTMP Resp"},
{2, "NBP"},
{3, "ATP"},
{4, "AEP"},
{5, "RTMP Req"},
{6, "ZIP"},
{7, "ADSP"},
{0, NULL},
};
static char *
apple_ddp_type(struct socktable *p, uint16_t port)
{
for (; p->pt_num != 0; p++) {
if (port == p->pt_num)
return (p->pt_short);
}
return (NULL);
}
/*
* return the short at p, regardless of alignment
*/
uint16_t
get_short(uint8_t *p)
{
return (p[0] << 8 | p[1]);
}
/*
* return the long at p, regardless of alignment
*/
uint32_t
get_long(uint8_t *p)
{
return (p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3]);
}
/*
* format a MAC address
*/
char *
print_macaddr(uint8_t *ha, int len)
{
static char buf[128];
char *p = buf;
while (len-- != 0) {
p += snprintf(p, sizeof (buf) - (p - buf),
len > 0 ? "%x:" : "%x", *ha++);
}
return (buf);
}
/* ARGSUSED */
void
interpret_at(int flags, struct ddp_hdr *ddp, int len)
{
int ddplen;
char *pname;
char buff [32];
static char src_buf[16];
static char dst_buf[16];
if (ddp_pad(ddp) != 0)
return; /* unknown AppleTalk proto */
ddplen = ddp_len(ddp);
(void) snprintf(src_buf, sizeof (src_buf),
"%u.%u", ntohs(ddp->ddp_src_net), ddp->ddp_src_id);
src_name = src_buf;
(void) snprintf(dst_buf, sizeof (dst_buf),
"%u.%u", ntohs(ddp->ddp_dest_net), ddp->ddp_dest_id);
if (ddp->ddp_dest_id == NODE_ID_BROADCAST)
dst_name = "(broadcast)";
else
dst_name = dst_buf;
if (flags & F_SUM) {
(void) snprintf(get_sum_line(), MAXLINE,
"DDP S=%u.%u:%u D=%u.%u:%u LEN=%d",
ntohs(ddp->ddp_src_net),
ddp->ddp_src_id,
ddp->ddp_src_sock,
ntohs(ddp->ddp_dest_net),
ddp->ddp_dest_id,
ddp->ddp_dest_sock,
ddp_len(ddp));
}
if (flags & F_DTAIL) {
show_header("DDP: ", "DDP Header", ddplen - DDPHDR_SIZE);
show_space();
pname = apple_ddp_type(pt_ddp, ddp->ddp_src_sock);
if (pname == NULL) {
pname = "";
} else {
(void) snprintf(buff, sizeof (buff), "(%s)", pname);
pname = buff;
}
(void) snprintf(get_line(0, 0), get_line_remain(),
"Source = %s, Socket = %u %s",
src_name, ddp->ddp_src_sock, pname);
pname = apple_ddp_type(pt_ddp, ddp->ddp_dest_sock);
if (pname == NULL) {
pname = "";
} else {
(void) snprintf(buff, sizeof (buff), "(%s)", pname);
pname = buff;
}
(void) snprintf(get_line(0, 0), get_line_remain(),
"Destination = %s, Socket = %u %s",
dst_name, ddp->ddp_dest_sock, pname);
(void) snprintf(get_line(0, 0), get_line_remain(),
"Hop count = %d",
ddp_hop(ddp));
(void) snprintf(get_line(0, 0), get_line_remain(),
"Length = %d",
ddp_len(ddp));
(void) snprintf(get_line(0, 0), get_line_remain(),
"Checksum = %04x %s",
ntohs(ddp->ddp_cksum),
ddp->ddp_cksum == 0 ? "(no checksum)" : "");
(void) snprintf(get_line(0, 0), get_line_remain(),
"DDP type = %d (%s)",
ddp->ddp_type,
apple_ddp_type(pt_ddp_types, ddp->ddp_type));
show_space();
}
/* go to the next protocol layer */
switch (ddp->ddp_type) {
case DDP_TYPE_NBP:
interpret_nbp(flags, (struct nbp_hdr *)ddp, ddplen);
break;
case DDP_TYPE_AEP:
interpret_aecho(flags, ddp, ddplen);
break;
case DDP_TYPE_ATP:
interpret_atp(flags, ddp, ddplen);
break;
case DDP_TYPE_ZIP:
interpret_ddp_zip(flags, (struct zip_hdr *)ddp, ddplen);
break;
case DDP_TYPE_ADSP:
interpret_adsp(flags, (struct ddp_adsphdr *)ddp, ddplen);
break;
case DDP_TYPE_RTMPRQ:
case DDP_TYPE_RTMPRESP:
interpret_rtmp(flags, ddp, ddplen);
break;
}
}
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