2 * Copyright (c) 2016 Netflix, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
32 #include <efivar-dp.h>
42 #define MAXSIZE 65536 /* Everyting will be smaller than this, most 1000x smaller */
44 /* options descriptor */
45 static struct option longopts[] = {
46 { "to-unix", no_argument, NULL, 'u' },
47 { "to-efi", no_argument, NULL, 'e' },
48 { "format", no_argument, NULL, 'f' },
49 { "parse", no_argument, NULL, 'p' },
54 static int flag_format, flag_parse, flag_unix, flag_efi;
60 errx(1, "efidp [-efpu]");
64 read_file(int fd, void **rv)
75 red = read(fd, retval + off, len - off);
79 if (off == (off_t)len)
88 parse_args(int argc, char **argv)
92 while ((ch = getopt_long(argc, argv, "efpu",
93 longopts, NULL)) != -1) {
117 if (flag_parse + flag_format + flag_efi + flag_unix != 1) {
118 warnx("Can only use one of -p (--parse), "
119 "and -f (--format)");
131 t = s + strlen(s) - 1;
132 while (t > s && isspace(*t))
140 char buffer[MAXSIZE];
147 while (fgets(buffer, sizeof(buffer), stdin)) {
148 walker= trim(buffer);
151 rv = efivar_unix_path_to_device_path(walker, &dp);
152 if (rv != 0 || dp == NULL) {
154 warn("Can't convert '%s' to efi", walker);
157 if (efidp_format_device_path(efi, sizeof(efi),
158 dp, efidp_size(dp)) < 0) {
159 warnx("Can't format dp for '%s'", walker);
170 char buffer[MAXSIZE];
174 char *walker, *dev, *relpath, *abspath;
178 while (fgets(buffer, sizeof(buffer), stdin)) {
179 walker= trim(buffer);
180 dplen = efidp_parse_device_path(walker, dp, sizeof(dpbuf));
181 rv = efivar_device_path_to_unix_path(dp, &dev, &relpath, &abspath);
183 printf("%s:%s %s\n", dev, relpath, abspath);
186 warn("Can't convert '%s' to unix", walker);
194 char buffer[MAXSIZE];
201 len = read_file(STDIN_FILENO, &data);
204 dp = (const_efidp)data;
206 dplen = efidp_size(dp);
207 fmtlen = efidp_format_device_path(buffer, sizeof(buffer),
210 printf("%s\n", buffer);
212 dp = (const_efidp)((const char *)dp + dplen);
220 char buffer[MAXSIZE];
228 errx(1, "Can't allocate memory.");
229 while (fgets(buffer, sizeof(buffer), stdin)) {
230 walker= trim(buffer);
231 dplen = efidp_parse_device_path(walker, dp, dplen);
233 errx(1, "Can't parse %s", walker);
234 write(STDOUT_FILENO, dp, dplen);
240 main(int argc, char **argv)
243 parse_args(argc, argv);
248 else if (flag_format)