3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and
9 * this paragraph in its entirety in the documentation or other materials
10 * provided with the distribution, and (3) all advertising materials mentioning
11 * features or use of this software display the following acknowledgement:
12 * ``This product includes software developed by the University of California,
13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14 * the University nor the names of its contributors may be used to endorse
15 * or promote products derived from this software without specific prior
16 * written permission.
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20 */
21#ifndef lint
22static const char rcsid[] =
| 3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and
9 * this paragraph in its entirety in the documentation or other materials
10 * provided with the distribution, and (3) all advertising materials mentioning
11 * features or use of this software display the following acknowledgement:
12 * ``This product includes software developed by the University of California,
13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14 * the University nor the names of its contributors may be used to endorse
15 * or promote products derived from this software without specific prior
16 * written permission.
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20 */
21#ifndef lint
22static const char rcsid[] =
|
54
55/*
56 * This is the top level routine of the printer. 'p' is the points
57 * to the LLC/SNAP header of the packet, 'tvp' is the timestamp,
58 * 'length' is the length of the packet off the wire, and 'caplen'
59 * is the number of bytes actually captured.
60 */
61void
62atm_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
63{
64 u_int caplen = h->caplen;
65 u_int length = h->len;
66 u_short ethertype;
67
68 ts_print(&h->ts);
69
70 if (caplen < 8) {
71 printf("[|atm]");
72 goto out;
73 }
74
75 if (p[4] == 0xaa || p[5] == 0xaa || p[6] == 0x03) {
76 /* if first 4 bytes are cookie/vpci */
77 if (eflag) {
78 printf("%04x ",
79 p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3]);
80 }
81 p += 4;
82 length -= 4;
83 caplen -= 4;
84 }
85 else if (p[0] != 0xaa || p[1] != 0xaa || p[2] != 0x03) {
86 /*XXX assume 802.6 MAC header from fore driver */
87 if (eflag)
88 printf("%04x%04x %04x%04x ",
89 p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3],
90 p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7],
91 p[8] << 24 | p[9] << 16 | p[10] << 8 | p[11],
92 p[12] << 24 | p[13] << 16 | p[14] << 8 | p[15]);
93 p += 20;
94 length -= 20;
95 caplen -= 20;
96 }
97 ethertype = p[6] << 8 | p[7];
98 if (eflag)
99 printf("%02x %02x %02x %02x-%02x-%02x %04x: ",
100 p[0], p[1], p[2], /* dsap/ssap/ctrl */
101 p[3], p[4], p[5], /* manufacturer's code */
102 ethertype);
103
104 /*
105 * Some printers want to get back at the ethernet addresses,
106 * and/or check that they're not walking off the end of the packet.
107 * Rather than pass them all the way down, we set these globals.
108 */
109 packetp = p;
110 snapend = p + caplen;
111
112 length -= 8;
113 caplen -= 8;
114 p += 8;
115
116 switch (ethertype) {
117
118 case ETHERTYPE_IP:
119 ip_print(p, length);
120 break;
121
122 /*XXX this probably isn't right */
123 case ETHERTYPE_ARP:
124 case ETHERTYPE_REVARP:
125 arp_print(p, length, caplen);
126 break;
127#ifdef notyet
128 case ETHERTYPE_DN:
129 decnet_print(p, length, caplen);
130 break;
131
132 case ETHERTYPE_ATALK:
133 if (vflag)
134 fputs("et1 ", stdout);
135 atalk_print(p, length);
136 break;
137
138 case ETHERTYPE_AARP:
139 aarp_print(p, length);
140 break;
141
142 case ETHERTYPE_LAT:
143 case ETHERTYPE_MOPRC:
144 case ETHERTYPE_MOPDL:
145 /* default_print for now */
146#endif
147 default:
148 /* ether_type not known, forward it to llc_print */
149 if (!eflag)
150 printf("%02x %02x %02x %02x-%02x-%02x %04x: ",
151 p[0], p[1], p[2], /* dsap/ssap/ctrl */
152 p[3], p[4], p[5], /* manufacturer's code */
153 ethertype);
154 if (!xflag && !qflag)
155 /* default_print(p, caplen); */
156 llc_print(p-8,length+8,caplen+8,"000000","000000");
157 }
158 if (xflag)
159 default_print(p, caplen);
160 out:
161 putchar('\n');
162}
| 54
55/*
56 * This is the top level routine of the printer. 'p' is the points
57 * to the LLC/SNAP header of the packet, 'tvp' is the timestamp,
58 * 'length' is the length of the packet off the wire, and 'caplen'
59 * is the number of bytes actually captured.
60 */
61void
62atm_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
63{
64 u_int caplen = h->caplen;
65 u_int length = h->len;
66 u_short ethertype;
67
68 ts_print(&h->ts);
69
70 if (caplen < 8) {
71 printf("[|atm]");
72 goto out;
73 }
74
75 if (p[4] == 0xaa || p[5] == 0xaa || p[6] == 0x03) {
76 /* if first 4 bytes are cookie/vpci */
77 if (eflag) {
78 printf("%04x ",
79 p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3]);
80 }
81 p += 4;
82 length -= 4;
83 caplen -= 4;
84 }
85 else if (p[0] != 0xaa || p[1] != 0xaa || p[2] != 0x03) {
86 /*XXX assume 802.6 MAC header from fore driver */
87 if (eflag)
88 printf("%04x%04x %04x%04x ",
89 p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3],
90 p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7],
91 p[8] << 24 | p[9] << 16 | p[10] << 8 | p[11],
92 p[12] << 24 | p[13] << 16 | p[14] << 8 | p[15]);
93 p += 20;
94 length -= 20;
95 caplen -= 20;
96 }
97 ethertype = p[6] << 8 | p[7];
98 if (eflag)
99 printf("%02x %02x %02x %02x-%02x-%02x %04x: ",
100 p[0], p[1], p[2], /* dsap/ssap/ctrl */
101 p[3], p[4], p[5], /* manufacturer's code */
102 ethertype);
103
104 /*
105 * Some printers want to get back at the ethernet addresses,
106 * and/or check that they're not walking off the end of the packet.
107 * Rather than pass them all the way down, we set these globals.
108 */
109 packetp = p;
110 snapend = p + caplen;
111
112 length -= 8;
113 caplen -= 8;
114 p += 8;
115
116 switch (ethertype) {
117
118 case ETHERTYPE_IP:
119 ip_print(p, length);
120 break;
121
122 /*XXX this probably isn't right */
123 case ETHERTYPE_ARP:
124 case ETHERTYPE_REVARP:
125 arp_print(p, length, caplen);
126 break;
127#ifdef notyet
128 case ETHERTYPE_DN:
129 decnet_print(p, length, caplen);
130 break;
131
132 case ETHERTYPE_ATALK:
133 if (vflag)
134 fputs("et1 ", stdout);
135 atalk_print(p, length);
136 break;
137
138 case ETHERTYPE_AARP:
139 aarp_print(p, length);
140 break;
141
142 case ETHERTYPE_LAT:
143 case ETHERTYPE_MOPRC:
144 case ETHERTYPE_MOPDL:
145 /* default_print for now */
146#endif
147 default:
148 /* ether_type not known, forward it to llc_print */
149 if (!eflag)
150 printf("%02x %02x %02x %02x-%02x-%02x %04x: ",
151 p[0], p[1], p[2], /* dsap/ssap/ctrl */
152 p[3], p[4], p[5], /* manufacturer's code */
153 ethertype);
154 if (!xflag && !qflag)
155 /* default_print(p, caplen); */
156 llc_print(p-8,length+8,caplen+8,"000000","000000");
157 }
158 if (xflag)
159 default_print(p, caplen);
160 out:
161 putchar('\n');
162}
|