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/param.h>
28 #include <assert.h>
29 #include <err.h>
30 #include <errno.h>
31 #include <limits.h>
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <string.h>
35 #include <unistd.h>
36 #include <libgeom.h>
37
38 struct retval {
39 struct retval *retval;
40 const char *param;
41 char *value;
42 };
43
44 static struct retval *retval;
45 static int verbose;
46
47 static void
usage(void)48 usage(void)
49 {
50 fprintf(stdout, "usage: %s [-v] param[:len][=value] ...\n",
51 getprogname());
52 exit(1);
53 }
54
55 static int
parse(char * arg,char ** param,char ** value,int * len)56 parse(char *arg, char **param, char **value, int *len)
57 {
58 char *e, *colon, *equal;
59
60 if (*arg == '\0')
61 return (EINVAL);
62
63 colon = strchr(arg, ':');
64 equal = strchr(arg, '=');
65 if (colon == NULL && equal == NULL)
66 return (EINVAL);
67 if (colon == arg || equal == arg)
68 return (EINVAL);
69 if (colon != NULL && equal != NULL && equal < colon)
70 return (EINVAL);
71
72 if (colon != NULL)
73 *colon++ = '\0';
74 if (equal != NULL)
75 *equal++ = '\0';
76
77 *param = arg;
78 if (colon != NULL) {
79 /* Length specification. This parameter is RW. */
80 if (*colon == '\0')
81 return (EINVAL);
82 *len = strtol(colon, &e, 0);
83 if (*e != '\0')
84 return (EINVAL);
85 if (*len <= 0 || *len > PATH_MAX)
86 return (EINVAL);
87 *value = calloc(*len, sizeof(char));
88 if (*value == NULL)
89 return (ENOMEM);
90 if (equal != NULL) {
91 if (strlen(equal) >= PATH_MAX)
92 return (ENOMEM);
93 strcpy(*value, equal);
94 }
95 } else {
96 /* This parameter is RO. */
97 *len = -1;
98 if (*equal == '\0')
99 return (EINVAL);
100 *value = equal;
101 }
102
103 return (0);
104 }
105
106 int
main(int argc,char * argv[])107 main(int argc, char *argv[])
108 {
109 struct retval *rv;
110 struct gctl_req *req;
111 char *param, *value;
112 const char *s;
113 int c, len, parse_retval;
114
115 req = gctl_get_handle();
116 assert(req != NULL);
117
118 while ((c = getopt(argc, argv, "v")) != -1) {
119 switch (c) {
120 case 'v':
121 verbose = 1;
122 break;
123 case '?':
124 default:
125 usage();
126 /* NOTREACHED */
127 break;
128 }
129 }
130
131 for (; optind < argc; optind++) {
132 parse_retval = parse(argv[optind], ¶m, &value, &len);
133 if (parse_retval == 0) {
134 if (len > 0) {
135 rv = malloc(sizeof(struct retval));
136 assert(rv != NULL);
137 rv->param = param;
138 rv->value = value;
139 rv->retval = retval;
140 retval = rv;
141 gctl_rw_param(req, param, len, value);
142 } else
143 gctl_ro_param(req, param, -1, value);
144 } else
145 warnc(parse_retval, "failed to parse argument (%s)",
146 argv[optind]);
147 }
148
149 if (verbose)
150 gctl_dump(req, stdout);
151
152 s = gctl_issue(req);
153 if (s == NULL) {
154 printf("PASS");
155 while (retval != NULL) {
156 rv = retval->retval;
157 printf(" %s=%s", retval->param, retval->value);
158 free(retval->value);
159 free(retval);
160 retval = rv;
161 }
162 printf("\n");
163 } else
164 printf("FAIL %s\n", s);
165
166 gctl_free(req);
167 return (0);
168 }
169