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--- old/usr/src/cmd/hostname/hostname.c
+++ new/usr/src/cmd/hostname/hostname.c
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21
22 22 /*
23 23 * University Copyright- Copyright (c) 1982, 1986, 1988
24 24 * The Regents of the University of California
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25 25 * All Rights Reserved
26 26 *
27 27 * University Acknowledgment- Portions of this document are derived from
28 28 * software developed by the University of California, Berkeley, and its
29 29 * contributors.
30 30 */
31 31
32 32 /*
33 33 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
34 34 * Use is subject to license terms.
35 + *
36 + * Copyright 2016 RackTop Systems.
35 37 */
36 38
37 39 /* Portions Copyright 2007 Jeremy Teo */
38 40 /* Portions Copyright 2006 Stephen P. Potter */
39 -#pragma ident "%Z%%M% %I% %E% SMI"
40 41
41 42 #include <unistd.h>
42 43 #include <stdio.h>
43 44 #include <string.h>
44 45 #include <locale.h>
45 46 #include <libgen.h>
46 47 #include <stdlib.h>
47 48 #include <errno.h>
48 49 #include <netdb.h>
49 50
51 +extern int getdomainname(char *name, int namelen);
52 +extern int setdomainname(char *domain, int len);
53 +
50 54 #ifndef TEXT_DOMAIN /* should be defined by cc -D */
51 55 #define TEXT_DOMAIN "SYS_TEST" /* use this only if it wasn't */
52 56 #endif
53 57
54 58 static char *progname;
55 59
56 60 static void
57 61 usage(void)
58 62 {
59 - (void) fprintf(stderr, gettext("usage: %s [system_name]\n"),
60 - basename(progname));
63 + (void) fprintf(stderr, gettext("usage: %s [-d|-f] [hostname|domain]\n"),
64 + basename(progname));
61 65 exit(1);
62 66 }
63 67
64 68 int
65 69 main(int argc, char *argv[])
66 70 {
67 - char *nodename = NULL;
68 - char c_hostname[MAXHOSTNAMELEN];
69 - int optlet;
70 - char *optstring = "?";
71 + int optlet, dflag = 0, fflag = 0;
72 + char *optstring = "df?";
71 73
72 74 (void) setlocale(LC_ALL, "");
73 75 (void) textdomain(TEXT_DOMAIN);
74 76
75 77 progname = argv[0];
76 78
77 79 opterr = 0;
78 80 while ((optlet = getopt(argc, argv, optstring)) != -1) {
79 81 switch (optlet) {
82 + case 'd':
83 + dflag++;
84 + break;
85 + case 'f':
86 + fflag++;
87 + break;
80 88 case '?':
81 89 usage();
82 90 }
83 91 }
84 92
93 + if (dflag && fflag)
94 + usage();
95 +
85 96 /*
86 - * if called with no options, just print out the hostname/nodename
97 + * if called with no options, just print out the hostname/domain
87 98 */
88 99 if (argc <= optind) {
100 + char c_hostname[MAXHOSTNAMELEN];
89 101 if (gethostname(c_hostname, sizeof (c_hostname)) < 0) {
90 102 (void) fprintf(stderr,
91 103 gettext("%s: unable to obtain hostname\n"),
92 104 basename(progname));
93 105 exit(1);
106 + }
107 + if (dflag || fflag) {
108 + char c_domain[MAXHOSTNAMELEN];
109 + if (getdomainname(c_domain, sizeof (c_domain)) < 0) {
110 + (void) fprintf(stderr,
111 + gettext("%s: unable to obtain domain\n"),
112 + basename(progname));
113 + exit(1);
114 + }
115 + /* Might not actually get a domain back */
116 + if (fflag && *c_domain)
117 + (void) fprintf(stdout, "%s.%s\n",
118 + c_hostname, c_domain);
119 + else
120 + (void) fprintf(stdout, "%s\n",
121 + dflag ? c_domain : c_hostname);
94 122 } else {
95 123 (void) fprintf(stdout, "%s\n", c_hostname);
96 124 }
97 125 } else {
98 126 /*
99 127 * if called with an argument,
100 - * we have to try to set the new hostname/nodename
128 + * we have to try to set the new hostname/domain
101 129 */
102 130 if (argc > optind + 1)
103 131 usage(); /* too many arguments */
104 -
105 - nodename = argv[optind];
106 - if (sethostname(nodename, strlen(nodename)) < 0) {
107 - int err = errno;
108 - (void) fprintf(stderr,
109 - gettext("%s: error in setting name: %s\n"),
110 - basename(progname), strerror(err));
111 - exit(1);
132 + if (fflag)
133 + usage(); /* can't set fqdn this way */
134 + if (dflag) {
135 + char *domain = argv[optind];
136 + if (setdomainname(domain, strlen(domain)) < 0) {
137 + int err = errno;
138 + (void) fprintf(stderr,
139 + gettext("%s: error setting domain: %s\n"),
140 + basename(progname), strerror(err));
141 + exit(1);
142 + }
143 + } else {
144 + char *hostname = argv[optind];
145 + if (sethostname(hostname, strlen(hostname)) < 0) {
146 + int err = errno;
147 + (void) fprintf(stderr,
148 + gettext("%s: error setting hostname: %s\n"),
149 + basename(progname), strerror(err));
150 + exit(1);
151 + }
112 152 }
113 153 }
114 154 return (0);
115 155 }
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