1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Written By Julian ELischer
5 * Copyright julian Elischer 1993.
6 * Permission is granted to use or redistribute this file in any way as long
7 * as this notice remains. Julian Elischer does not guarantee that this file
8 * is totally correct for any given task and users of this file must
9 * accept responsibility for any damage that occurs from the application of this
10 * file.
11 *
12 * (julian@tfs.com julian@dialix.oz.au)
13 *
14 * User SCSI hooks added by Peter Dufault:
15 *
16 * Copyright (c) 1994 HD Associates
17 * (contact: dufault@hda.com)
18 * All rights reserved.
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
22 * are met:
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * 2. Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in the
27 * documentation and/or other materials provided with the distribution.
28 * 3. The name of HD Associates
29 * may not be used to endorse or promote products derived from this software
30 * without specific prior written permission.
31 *
32 * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES ``AS IS'' AND
33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
35 * ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES BE LIABLE
36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
42 * SUCH DAMAGE.
43 */
44 /*
45 * Taken from the original scsi(8) program.
46 * from: scsi.c,v 1.17 1998/01/12 07:57:57 charnier Exp $";
47 */
48 #include <sys/cdefs.h>
49 #include <sys/stdint.h>
50 #include <sys/types.h>
51
52 #include <stdlib.h>
53 #include <stdio.h>
54 #include <string.h>
55
56 #include <camlib.h>
57 #include "camcontrol.h"
58
59 int verbose;
60
61 /* iget: Integer argument callback
62 */
63 int
iget(void * hook,char * name)64 iget(void *hook, char *name)
65 {
66 struct get_hook *h = (struct get_hook *)hook;
67 int arg;
68
69 if (h->got >= h->argc)
70 {
71 fprintf(stderr, "Expecting an integer argument.\n");
72 usage(0);
73 exit(1);
74 }
75 arg = strtol(h->argv[h->got], 0, 0);
76 h->got++;
77
78 if (verbose && name && *name)
79 printf("%s: %d\n", name, arg);
80
81 return arg;
82 }
83
84 /* cget: char * argument callback
85 */
86 char *
cget(void * hook,char * name)87 cget(void *hook, char *name)
88 {
89 struct get_hook *h = (struct get_hook *)hook;
90 char *arg;
91
92 if (h->got >= h->argc)
93 {
94 fprintf(stderr, "Expecting a character pointer argument.\n");
95 usage(0);
96 exit(1);
97 }
98 arg = h->argv[h->got];
99 h->got++;
100
101 if (verbose && name)
102 printf("cget: %s: %s", name, arg);
103
104 return arg;
105 }
106
107 /* arg_put: "put argument" callback
108 */
109 void
arg_put(void * hook __unused,int letter,void * arg,int count,char * name)110 arg_put(void *hook __unused, int letter, void *arg, int count, char *name)
111 {
112 if (verbose && name && *name)
113 printf("%s: ", name);
114
115 switch(letter)
116 {
117 case 'i':
118 case 'b':
119 printf("%jd ", (intmax_t)(intptr_t)arg);
120 break;
121
122 case 'c':
123 case 'z':
124 {
125 char *p;
126
127 p = calloc(1, count + 1);
128 if (p == NULL) {
129 fprintf(stderr, "can't malloc memory for p\n");
130 exit(1);
131 }
132
133 strlcpy(p, (char *)arg, count + 1);
134 if (letter == 'z')
135 {
136 int i;
137 for (i = count - 1; i >= 0; i--)
138 if (p[i] == ' ')
139 p[i] = 0;
140 else
141 break;
142 }
143 printf("%s ", p);
144
145 free(p);
146 }
147
148 break;
149
150 default:
151 printf("Unknown format letter: '%c'\n", letter);
152 }
153 if (verbose)
154 putchar('\n');
155 }
156
157 /*
158 * Get confirmation from user
159 * Return values:
160 * 1: confirmed
161 * 0: unconfirmed
162 */
163 int
get_confirmation(void)164 get_confirmation(void)
165 {
166 char str[1024];
167 int response = -1;
168
169 do {
170 fprintf(stdout, "Are you SURE you want to do this? (yes/no) ");
171 if (fgets(str, sizeof(str), stdin) != NULL) {
172 if (strncasecmp(str, "yes", 3) == 0)
173 response = 1;
174 else if (strncasecmp(str, "no", 2) == 0)
175 response = 0;
176 else
177 fprintf(stdout,
178 "Please answer \"yes\" or \"no\"\n");
179 } else
180 response = 0;
181 } while (response == -1);
182 return (response);
183 }
184