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 * ([email protected] [email protected])
13 *
14 * User SCSI hooks added by Peter Dufault:
15 *
16 * Copyright (c) 1994 HD Associates
17 * (contact: [email protected])
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 $";
47 */
48 #include <sys/cdefs.h>
49 __FBSDID("$FreeBSD$");
50
51 #include <sys/stdint.h>
52 #include <sys/types.h>
53
54 #include <stdlib.h>
55 #include <stdio.h>
56 #include <string.h>
57
58 #include <camlib.h>
59 #include "camcontrol.h"
60
61 int verbose;
62
63 /* iget: Integer argument callback
64 */
65 int
iget(void * hook,char * name)66 iget(void *hook, char *name)
67 {
68 struct get_hook *h = (struct get_hook *)hook;
69 int arg;
70
71 if (h->got >= h->argc)
72 {
73 fprintf(stderr, "Expecting an integer argument.\n");
74 usage(0);
75 exit(1);
76 }
77 arg = strtol(h->argv[h->got], 0, 0);
78 h->got++;
79
80 if (verbose && name && *name)
81 printf("%s: %d\n", name, arg);
82
83 return arg;
84 }
85
86 /* cget: char * argument callback
87 */
88 char *
cget(void * hook,char * name)89 cget(void *hook, char *name)
90 {
91 struct get_hook *h = (struct get_hook *)hook;
92 char *arg;
93
94 if (h->got >= h->argc)
95 {
96 fprintf(stderr, "Expecting a character pointer argument.\n");
97 usage(0);
98 exit(1);
99 }
100 arg = h->argv[h->got];
101 h->got++;
102
103 if (verbose && name)
104 printf("cget: %s: %s", name, arg);
105
106 return arg;
107 }
108
109 /* arg_put: "put argument" callback
110 */
111 void
arg_put(void * hook __unused,int letter,void * arg,int count,char * name)112 arg_put(void *hook __unused, int letter, void *arg, int count, char *name)
113 {
114 if (verbose && name && *name)
115 printf("%s: ", name);
116
117 switch(letter)
118 {
119 case 'i':
120 case 'b':
121 printf("%jd ", (intmax_t)(intptr_t)arg);
122 break;
123
124 case 'c':
125 case 'z':
126 {
127 char *p;
128
129 p = calloc(1, count + 1);
130 if (p == NULL) {
131 fprintf(stderr, "can't malloc memory for p\n");
132 exit(1);
133 }
134
135 strlcpy(p, (char *)arg, count + 1);
136 if (letter == 'z')
137 {
138 int i;
139 for (i = count - 1; i >= 0; i--)
140 if (p[i] == ' ')
141 p[i] = 0;
142 else
143 break;
144 }
145 printf("%s ", p);
146
147 free(p);
148 }
149
150 break;
151
152 default:
153 printf("Unknown format letter: '%c'\n", letter);
154 }
155 if (verbose)
156 putchar('\n');
157 }
158
159 /*
160 * Get confirmation from user
161 * Return values:
162 * 1: confirmed
163 * 0: unconfirmed
164 */
165 int
get_confirmation(void)166 get_confirmation(void)
167 {
168 char str[1024];
169 int response = -1;
170
171 do {
172 fprintf(stdout, "Are you SURE you want to do this? (yes/no) ");
173 if (fgets(str, sizeof(str), stdin) != NULL) {
174 if (strncasecmp(str, "yes", 3) == 0)
175 response = 1;
176 else if (strncasecmp(str, "no", 2) == 0)
177 response = 0;
178 else
179 fprintf(stdout,
180 "Please answer \"yes\" or \"no\"\n");
181 } else
182 response = 0;
183 } while (response == -1);
184 return (response);
185 }
186