xref: /illumos-gate/usr/src/cmd/valtools/ckyorn.c (revision 42b53e0fbc5c05289c3d334bb864b784fafe5ce4)
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, *prompt, *error, *help;
44 static int	kpid = BADPID;
45 static int	signo;
46 
47 static const char	husage[] = "Wh";
48 static const char	eusage[] = "We";
49 
50 static void
51 usage(void)
52 {
53 	switch (*prog) {
54 	default:
55 		(void) fprintf(stderr,
56 			gettext("usage: %s [options]\n"), prog);
57 		(void) fprintf(stderr, gettext(OPTMESG));
58 		(void) fprintf(stderr, gettext(STDOPTS));
59 		break;
60 
61 	case 'v':
62 		(void) fprintf(stderr,
63 			gettext("usage: %s input\n"), prog);
64 		break;
65 
66 	case 'h':
67 		(void) fprintf(stderr,
68 			gettext("usage: %s [options]\n"), prog);
69 		(void) fprintf(stderr, gettext(OPTMESG));
70 		(void) fprintf(stderr,
71 			gettext("\t-W width\n\t-h help\n"));
72 		break;
73 
74 	case 'e':
75 		(void) fprintf(stderr,
76 			gettext("usage: %s [options]\n"), prog);
77 		(void) fprintf(stderr, gettext(OPTMESG));
78 		(void) fprintf(stderr,
79 			gettext("\t-W width\n\t-e error\n"));
80 		break;
81 	}
82 	exit(1);
83 }
84 
85 /*
86  * Given argv[0], return a pointer to the basename of the program.
87  */
88 static char *
89 prog_name(char *arg0)
90 {
91 	char *str;
92 
93 	/* first strip trailing '/' characters (exec() allows these!) */
94 	str = arg0 + strlen(arg0);
95 	while (str > arg0 && *--str == '/')
96 		*str = '\0';
97 	if ((str = strrchr(arg0, '/')) != NULL)
98 		return (str + 1);
99 	return (arg0);
100 }
101 
102 int
103 main(int argc, char **argv)
104 {
105 	int	c, n;
106 	char	*ynval;
107 	size_t	len;
108 
109 	(void) setlocale(LC_ALL, "");
110 
111 #if	!defined(TEXT_DOMAIN)
112 #define	TEXT_DOMAIN	"SYS_TEST"
113 #endif
114 	(void) textdomain(TEXT_DOMAIN);
115 
116 	prog = prog_name(argv[0]);
117 
118 	while ((c = getopt(argc, argv, "d:p:e:h:k:s:QW:?")) != EOF) {
119 		/* check for invalid option */
120 		if (*prog == 'v')
121 			usage();
122 		if ((*prog == 'e') && !strchr(eusage, c))
123 			usage();
124 		if ((*prog == 'h') && !strchr(husage, c))
125 			usage();
126 
127 		switch (c) {
128 		case 'Q':
129 			ckquit = 0;
130 			break;
131 
132 		case 'W':
133 			ckwidth = atoi(optarg);
134 			if (ckwidth < 0) {
135 				(void) fprintf(stderr,
136 		gettext("%s: ERROR: negative display width specified\n"),
137 					prog);
138 				exit(1);
139 			}
140 			break;
141 
142 		case 'd':
143 			deflt = optarg;
144 			break;
145 
146 		case 'p':
147 			prompt = optarg;
148 			break;
149 
150 		case 'e':
151 			error = optarg;
152 			break;
153 
154 		case 'h':
155 			help = optarg;
156 			break;
157 
158 		case 'k':
159 			kpid = atoi(optarg);
160 			break;
161 
162 		case 's':
163 			signo = atoi(optarg);
164 			break;
165 
166 		default:
167 			usage();
168 		}
169 	}
170 
171 	if (signo) {
172 		if (kpid == BADPID)
173 			usage();
174 	} else
175 		signo = SIGTERM;
176 
177 	if (*prog == 'v') {
178 		if (argc != (optind + 1))
179 			usage();
180 		if (ckyorn_val(argv[optind]))
181 			exit(1);
182 		else
183 			exit(0);
184 	}
185 
186 	if (optind != argc)
187 		usage();
188 
189 	if (*prog == 'e') {
190 		ckindent = 0;
191 		ckyorn_err(error);
192 		exit(0);
193 	} else if (*prog == 'h') {
194 		ckindent = 0;
195 		ckyorn_hlp(help);
196 		exit(0);
197 	}
198 
199 	if (deflt) {
200 		len = strlen(deflt) + 1;
201 		if (len < MAX_INPUT)
202 			len = MAX_INPUT;
203 	} else {
204 		len = MAX_INPUT;
205 	}
206 	ynval = (char *)malloc(len);
207 	if (!ynval) {
208 		(void) fprintf(stderr,
209 			gettext("Not enough memory\n"));
210 		exit(1);
211 	}
212 	n = ckyorn(ynval, deflt, error, help, prompt);
213 	if (n == 3) {
214 		if (kpid > -2) {
215 			if (kill(kpid, signo)) {
216 				(void) fprintf(stderr,
217 			gettext("Failed to send signal %d to process %d\n"),
218 				signo, kpid);
219 			}
220 		}
221 		(void) puts("q");
222 	} else if (n == 0)
223 		(void) fputs(ynval, stdout);
224 	return (n);
225 }
226