1 /*-
2 * Copyright (c) 2005, 2006 Marcel Moolenaar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 #include <sys/param.h>
29 #include <assert.h>
30 #include <err.h>
31 #include <errno.h>
32 #include <limits.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <unistd.h>
37 #include <libgeom.h>
38
39 struct retval {
40 struct retval *retval;
41 const char *param;
42 char *value;
43 };
44
45 static struct retval *retval;
46 static int verbose;
47
48 static void
usage(void)49 usage(void)
50 {
51 fprintf(stdout, "usage: %s [-v] param[:len][=value] ...\n",
52 getprogname());
53 exit(1);
54 }
55
56 static int
parse(char * arg,char ** param,char ** value,int * len)57 parse(char *arg, char **param, char **value, int *len)
58 {
59 char *e, *colon, *equal;
60
61 if (*arg == '\0')
62 return (EINVAL);
63
64 colon = strchr(arg, ':');
65 equal = strchr(arg, '=');
66 if (colon == NULL && equal == NULL)
67 return (EINVAL);
68 if (colon == arg || equal == arg)
69 return (EINVAL);
70 if (colon != NULL && equal != NULL && equal < colon)
71 return (EINVAL);
72
73 if (colon != NULL)
74 *colon++ = '\0';
75 if (equal != NULL)
76 *equal++ = '\0';
77
78 *param = arg;
79 if (colon != NULL) {
80 /* Length specification. This parameter is RW. */
81 if (*colon == '\0')
82 return (EINVAL);
83 *len = strtol(colon, &e, 0);
84 if (*e != '\0')
85 return (EINVAL);
86 if (*len <= 0 || *len > PATH_MAX)
87 return (EINVAL);
88 *value = calloc(*len, sizeof(char));
89 if (*value == NULL)
90 return (ENOMEM);
91 if (equal != NULL) {
92 if (strlen(equal) >= PATH_MAX)
93 return (ENOMEM);
94 strcpy(*value, equal);
95 }
96 } else {
97 /* This parameter is RO. */
98 *len = -1;
99 if (*equal == '\0')
100 return (EINVAL);
101 *value = equal;
102 }
103
104 return (0);
105 }
106
107 int
main(int argc,char * argv[])108 main(int argc, char *argv[])
109 {
110 struct retval *rv;
111 struct gctl_req *req;
112 char *param, *value;
113 const char *s;
114 int c, len, parse_retval;
115
116 req = gctl_get_handle();
117 assert(req != NULL);
118
119 while ((c = getopt(argc, argv, "v")) != -1) {
120 switch (c) {
121 case 'v':
122 verbose = 1;
123 break;
124 case '?':
125 default:
126 usage();
127 /* NOTREACHED */
128 break;
129 }
130 }
131
132 for (; optind < argc; optind++) {
133 parse_retval = parse(argv[optind], ¶m, &value, &len);
134 if (parse_retval == 0) {
135 if (len > 0) {
136 rv = malloc(sizeof(struct retval));
137 assert(rv != NULL);
138 rv->param = param;
139 rv->value = value;
140 rv->retval = retval;
141 retval = rv;
142 gctl_rw_param(req, param, len, value);
143 } else
144 gctl_ro_param(req, param, -1, value);
145 } else
146 warnc(parse_retval, "failed to parse argument (%s)",
147 argv[optind]);
148 }
149
150 if (verbose)
151 gctl_dump(req, stdout);
152
153 s = gctl_issue(req);
154 if (s == NULL) {
155 printf("PASS");
156 while (retval != NULL) {
157 rv = retval->retval;
158 printf(" %s=%s", retval->param, retval->value);
159 free(retval->value);
160 free(retval);
161 retval = rv;
162 }
163 printf("\n");
164 } else
165 printf("FAIL %s\n", s);
166
167 gctl_free(req);
168 return (0);
169 }
170