xref: /illumos-gate/usr/src/cmd/valtools/ckgid.c (revision 1a2d662a91cee3bf82f41cd47c7ae6f3825d9db2)
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 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28 /*	  All Rights Reserved  	*/
29 
30 #include <stdio.h>
31 #include <string.h>
32 #include <signal.h>
33 #include <stdlib.h>
34 #include <locale.h>
35 #include <libintl.h>
36 #include <limits.h>
37 #include "usage.h"
38 #include "libadm.h"
39 
40 #define	BADPID	(-2)
41 
42 static char	*prog;
43 static char	*deflt = NULL, *error = NULL, *help = NULL, *prompt = NULL;
44 static int	kpid = BADPID;
45 static int	signo, disp;
46 
47 static const char	eusage[] = "mWe";
48 static const char	husage[] = "mWh";
49 
50 static void
51 usage(void)
52 {
53 	switch (*prog) {
54 	default:
55 		(void) fprintf(stderr,
56 			gettext("usage: %s [options] [-m]\n"), prog);
57 		(void) fprintf(stderr, gettext(OPTMESG));
58 		(void) fprintf(stderr, gettext(STDOPTS));
59 		break;
60 
61 	case 'd':
62 		(void) fprintf(stderr,
63 			gettext("usage: %s\n"), prog);
64 		break;
65 
66 	case 'v':
67 		(void) fprintf(stderr,
68 			gettext("usage: %s input\n"), prog);
69 		break;
70 
71 	case 'h':
72 		(void) fprintf(stderr,
73 			gettext("usage: %s [options] [-m]\n"), prog);
74 		(void) fprintf(stderr, gettext(OPTMESG));
75 		(void) fprintf(stderr,
76 			gettext("\t-W width\n\t-h help\n"));
77 		break;
78 
79 	case 'e':
80 		(void) fprintf(stderr,
81 			gettext("usage: %s [options] [-m]\n"), prog);
82 		(void) fprintf(stderr, gettext(OPTMESG));
83 		(void) fprintf(stderr,
84 			gettext("\t-W width\n\t-e error\n"));
85 		break;
86 	}
87 	exit(1);
88 }
89 
90 /*
91  * Given argv[0], return a pointer to the basename of the program.
92  */
93 static char *
94 prog_name(char *arg0)
95 {
96 	char *str;
97 
98 	/* first strip trailing '/' characters (exec() allows these!) */
99 	str = arg0 + strlen(arg0);
100 	while (str > arg0 && *--str == '/')
101 		*str = '\0';
102 	if ((str = strrchr(arg0, '/')) != NULL)
103 		return (str + 1);
104 	return (arg0);
105 }
106 
107 int
108 main(int argc, char **argv)
109 {
110 	int	c, n;
111 	char	*gid;
112 	size_t	len;
113 
114 	(void) setlocale(LC_ALL, "");
115 
116 #if	!defined(TEXT_DOMAIN)
117 #define	TEXT_DOMAIN	"SYS_TEST"
118 #endif
119 	(void) textdomain(TEXT_DOMAIN);
120 
121 	prog = prog_name(argv[0]);
122 
123 	while ((c = getopt(argc, argv, "md:p:e:h:k:s:QW:?")) != EOF) {
124 		/* check for invalid option */
125 		if ((*prog == 'v') || (*prog == 'd'))
126 			usage(); /* no valid options */
127 		if ((*prog == 'e') && !strchr(eusage, c))
128 			usage();
129 		if ((*prog == 'h') && !strchr(husage, c))
130 			usage();
131 
132 		switch (c) {
133 		case 'Q':
134 			ckquit = 0;
135 			break;
136 
137 		case 'W':
138 			ckwidth = atoi(optarg);
139 			if (ckwidth < 0) {
140 				(void) fprintf(stderr,
141 		gettext("%s: ERROR: negative display width specified\n"),
142 					prog);
143 				exit(1);
144 			}
145 			break;
146 
147 		case 'm':
148 			disp = 1;
149 			break;
150 
151 		case 'd':
152 			deflt = optarg;
153 			break;
154 
155 		case 'p':
156 			prompt = optarg;
157 			break;
158 
159 		case 'e':
160 			error = optarg;
161 			break;
162 
163 		case 'h':
164 			help = optarg;
165 			break;
166 
167 		case 'k':
168 			kpid = atoi(optarg);
169 			break;
170 
171 		case 's':
172 			signo = atoi(optarg);
173 			break;
174 
175 		default:
176 			usage();
177 		}
178 	}
179 
180 	if (signo) {
181 		if (kpid == BADPID)
182 			usage();
183 	} else
184 		signo = SIGTERM;
185 
186 	if (*prog == 'v') {
187 		if (argc != (optind+1))
188 			usage();
189 		exit(ckgid_val(argv[optind]));
190 	}
191 
192 	if (argc != optind)
193 		usage();
194 
195 
196 	if (*prog == 'e') {
197 		ckindent = 0;
198 		ckgid_err(disp, error);
199 		exit(0);
200 	} else if (*prog == 'h') {
201 		ckindent = 0;
202 		ckgid_hlp(disp, help);
203 		exit(0);
204 	} else if (*prog == 'd') {
205 		exit(ckgid_dsp());
206 	}
207 
208 	if (deflt) {
209 		len = strlen(deflt) + 1;
210 		if (len < MAX_INPUT)
211 			len = MAX_INPUT;
212 	} else {
213 		len = MAX_INPUT;
214 	}
215 	gid = (char *)malloc(len);
216 	if (!gid) {
217 		(void) fprintf(stderr,
218 			gettext("Not enough memory\n"));
219 		exit(1);
220 	}
221 	n = ckgid(gid, disp, deflt, error, help, prompt);
222 	if (n == 3) {
223 		if (kpid > -2)
224 			(void) kill(kpid, signo);
225 		(void) puts("q");
226 	} else if (n == 0)
227 		(void) fputs(gid, stdout);
228 	return (n);
229 }
230