1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright (c) 2000 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27 #pragma ident "%Z%%M% %I% %E% SMI"
28
29 /*
30 * Print SUNWbinfiles DHCP network containers.
31 */
32
33 #include <stdlib.h>
34 #include <unistd.h>
35 #include <sys/types.h>
36 #include <netinet/in.h>
37 #include <arpa/inet.h>
38 #include <stdio.h>
39 #include <fcntl.h>
40 #include <errno.h>
41 #include <string.h>
42 #include <stddef.h>
43 #include <sys/socket.h>
44 #include "../dhcp_network.h"
45
46 static void print_hashes(int, dn_header_t);
47
48 int
49 main(int argc, char **argv)
50 {
51 int confd;
52 dn_header_t header;
53 char netmask[INET_ADDRSTRLEN], network[INET_ADDRSTRLEN];
54 struct in_addr in_addr;
55 unsigned int i;
56
57 if (argc < 2) {
58 (void) fprintf(stderr, "usage: %s container [container ...]\n",
59 argv[0]);
60 return (EXIT_FAILURE);
61 }
62
63 for (i = 1; argv[i] != NULL; i++) {
64 confd = open(argv[i], O_RDONLY);
65 if (confd == -1) {
66 (void) fprintf(stderr, "%s: cannot open container "
67 "`%s': %s\n", argv[0], argv[i], strerror(errno));
68 continue;
69 }
70
71 if (read(confd, &header, sizeof (header)) != sizeof (header) ||
72 header.dnh_magic != DN_MAGIC) {
73 (void) fprintf(stderr, "%s: container `%s' is not a "
74 "binfiles network container\n", argv[0], argv[i]);
75 continue;
76 }
77
78 (void) printf("binfiles network container `%s':\n", argv[i]);
79
80 in_addr.s_addr = header.dnh_network;
81 (void) inet_ntop(AF_INET, &in_addr, network, INET_ADDRSTRLEN);
82 in_addr.s_addr = header.dnh_netmask;
83 (void) inet_ntop(AF_INET, &in_addr, netmask, INET_ADDRSTRLEN);
84
85 (void) printf("%12s: %s\n", "network", network);
86 (void) printf("%12s: %s\n", "netmask", netmask);
87 (void) printf("%12s: %d\n", "dirtybit", header.dnh_dirty);
88 (void) printf("%12s: %d\n", "version", header.dnh_version);
89 (void) printf("%12s: %d\n", "active image", header.dnh_image);
90 (void) printf("%12s: %d\n", "temp image", header.dnh_tempimage);
91 (void) printf("%12s: %d\n", "checks", header.dnh_checks);
92 (void) printf("%12s: %d\n", "errors", header.dnh_errors);
93 print_hashes(confd, header);
94 (void) close(confd);
95 }
96
97 return (EXIT_SUCCESS);
98 }
99
100 static void
101 print_hashes(int confd, dn_header_t header)
102 {
103 dn_filerec_t rec;
104 dn_recid_t recid;
105 unsigned int image, hash;
106
107 for (hash = 0; hash < DN_CIDHASHSZ; hash++) {
108 for (image = 0; image < 2; image++) {
109 if (header.dnh_cidhash[hash][image] == DN_NOREC)
110 continue;
111
112 (void) printf(" hash %4d/%d: ", hash, image);
113 recid = header.dnh_cidhash[hash][image];
114 for (; recid != DN_NOREC; recid = rec.rec_next[image]) {
115 if (pread(confd, &rec, sizeof (dn_rec_t),
116 RECID2OFFSET(recid)) != sizeof (dn_rec_t)) {
117 (void) fprintf(stderr, "cannot read "
118 "recid %d: %s", recid,
119 strerror(errno));
120 break;
121 }
122 (void) printf("%d<-[%d]->%d ",
123 rec.rec_prev[image], recid,
124 rec.rec_next[image]);
125 }
126 (void) printf("\n");
127 }
128 }
129 }