2017-12-25 18:56:08 +00:00
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/*-
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2019-02-04 21:28:25 +00:00
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* Copyright (c) 2017 Netflix, Inc.
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2017-12-25 18:56:08 +00:00
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <ctype.h>
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#include <devinfo.h>
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#include <err.h>
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2017-12-27 18:30:24 +00:00
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#include <errno.h>
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2017-12-25 18:56:08 +00:00
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#include <fcntl.h>
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#include <getopt.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/linker.h>
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#include <sys/module.h>
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#include <sys/stat.h>
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#include <sys/sysctl.h>
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/* options descriptor */
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static struct option longopts[] = {
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{ "all", no_argument, NULL, 'a' },
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{ "dump", no_argument, NULL, 'd' },
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2018-02-17 06:57:43 +00:00
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{ "hints", required_argument, NULL, 'h' },
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2018-02-17 06:57:34 +00:00
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{ "nomatch", required_argument, NULL, 'p' },
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2017-12-25 18:56:08 +00:00
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{ "unbound", no_argument, NULL, 'u' },
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{ "verbose", no_argument, NULL, 'v' },
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{ NULL, 0, NULL, 0 }
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};
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2018-02-17 14:34:47 +00:00
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#define DEVMATCH_MAX_HITS 256
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2017-12-25 18:56:08 +00:00
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static int all_flag;
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static int dump_flag;
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2018-02-17 06:57:43 +00:00
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static char *linker_hints;
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2018-02-17 06:57:34 +00:00
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static char *nomatch_str;
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2017-12-25 18:56:08 +00:00
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static int unbound_flag;
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static int verbose_flag;
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static void *hints;
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static void *hints_end;
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2018-08-23 05:06:22 +00:00
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static struct devinfo_dev *root;
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2017-12-25 18:56:08 +00:00
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2018-02-17 06:57:43 +00:00
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static void *
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read_hints(const char *fn, size_t *len)
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{
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void *h;
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int fd;
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struct stat sb;
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fd = open(fn, O_RDONLY);
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if (fd < 0) {
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if (errno == ENOENT)
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return NULL;
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err(1, "Can't open %s for reading", fn);
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}
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if (fstat(fd, &sb) != 0)
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err(1, "Can't fstat %s\n", fn);
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h = malloc(sb.st_size);
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if (h == NULL)
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err(1, "not enough space to read hints file of %ju bytes", (uintmax_t)sb.st_size);
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if (read(fd, h, sb.st_size) != sb.st_size)
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err(1, "Can't read in %ju bytes from %s", (uintmax_t)sb.st_size, fn);
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close(fd);
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*len = sb.st_size;
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return h;
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}
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2017-12-25 18:56:08 +00:00
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static void
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read_linker_hints(void)
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{
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char fn[MAXPATHLEN];
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char *modpath, *p, *q;
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2018-02-17 06:57:43 +00:00
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size_t buflen, len;
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if (linker_hints == NULL) {
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if (sysctlbyname("kern.module_path", NULL, &buflen, NULL, 0) < 0)
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errx(1, "Can't find kernel module path.");
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modpath = malloc(buflen);
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if (modpath == NULL)
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err(1, "Can't get memory for modpath.");
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if (sysctlbyname("kern.module_path", modpath, &buflen, NULL, 0) < 0)
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errx(1, "Can't find kernel module path.");
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p = modpath;
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while ((q = strsep(&p, ";")) != NULL) {
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snprintf(fn, sizeof(fn), "%s/linker.hints", q);
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hints = read_hints(fn, &len);
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if (hints == NULL)
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2017-12-27 18:30:24 +00:00
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continue;
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2018-02-17 06:57:43 +00:00
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break;
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}
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2018-06-14 22:31:30 +00:00
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if (q == NULL)
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errx(1, "Can't read linker hints file.");
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2018-02-17 06:57:43 +00:00
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} else {
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hints = read_hints(linker_hints, &len);
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2017-12-25 18:56:08 +00:00
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if (hints == NULL)
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2018-02-17 06:57:43 +00:00
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err(1, "Can't open %s for reading", fn);
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2017-12-25 18:56:08 +00:00
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}
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2018-02-17 06:57:43 +00:00
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2017-12-25 18:56:08 +00:00
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if (*(int *)(intptr_t)hints != LINKER_HINTS_VERSION) {
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warnx("Linker hints version %d doesn't match expected %d.",
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*(int *)(intptr_t)hints, LINKER_HINTS_VERSION);
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free(hints);
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hints = NULL;
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}
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if (hints != NULL)
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2018-02-17 06:57:43 +00:00
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hints_end = (void *)((intptr_t)hints + (intptr_t)len);
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2017-12-25 18:56:08 +00:00
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}
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static int
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getint(void **ptr)
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{
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int *p = *ptr;
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int rv;
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p = (int *)roundup2((intptr_t)p, sizeof(int));
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rv = *p++;
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*ptr = p;
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return rv;
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}
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static void
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getstr(void **ptr, char *val)
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{
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int *p = *ptr;
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char *c = (char *)p;
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int len = *(uint8_t *)c;
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memcpy(val, c + 1, len);
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val[len] = 0;
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c += len + 1;
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*ptr = (void *)c;
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}
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static int
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pnpval_as_int(const char *val, const char *pnpinfo)
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{
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int rv;
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char key[256];
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char *cp;
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if (pnpinfo == NULL)
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return -1;
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cp = strchr(val, ';');
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key[0] = ' ';
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if (cp == NULL)
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2017-12-27 18:30:24 +00:00
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strlcpy(key + 1, val, sizeof(key) - 1);
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2017-12-25 18:56:08 +00:00
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else {
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memcpy(key + 1, val, cp - val);
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key[cp - val + 1] = '\0';
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}
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2017-12-27 18:30:24 +00:00
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strlcat(key, "=", sizeof(key));
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2017-12-25 18:56:08 +00:00
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if (strncmp(key + 1, pnpinfo, strlen(key + 1)) == 0)
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rv = strtol(pnpinfo + strlen(key + 1), NULL, 0);
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else {
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cp = strstr(pnpinfo, key);
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if (cp == NULL)
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rv = -1;
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else
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rv = strtol(cp + strlen(key), NULL, 0);
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}
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return rv;
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}
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static void
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quoted_strcpy(char *dst, const char *src)
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{
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char q = ' ';
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if (*src == '\'' || *src == '"')
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q = *src++;
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while (*src && *src != q)
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*dst++ = *src++; // XXX backtick quoting
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*dst++ = '\0';
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// XXX overflow
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}
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static char *
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pnpval_as_str(const char *val, const char *pnpinfo)
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{
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static char retval[256];
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char key[256];
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char *cp;
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if (pnpinfo == NULL) {
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*retval = '\0';
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return retval;
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}
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cp = strchr(val, ';');
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key[0] = ' ';
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if (cp == NULL)
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2017-12-27 20:33:37 +00:00
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strlcpy(key + 1, val, sizeof(key) - 1);
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2017-12-25 18:56:08 +00:00
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else {
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memcpy(key + 1, val, cp - val);
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key[cp - val + 1] = '\0';
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}
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2017-12-27 20:33:37 +00:00
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strlcat(key, "=", sizeof(key));
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2017-12-25 18:56:08 +00:00
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if (strncmp(key + 1, pnpinfo, strlen(key + 1)) == 0)
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quoted_strcpy(retval, pnpinfo + strlen(key + 1));
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else {
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cp = strstr(pnpinfo, key);
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if (cp == NULL)
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strcpy(retval, "MISSING");
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else
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quoted_strcpy(retval, cp + strlen(key));
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}
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return retval;
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}
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static void
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search_hints(const char *bus, const char *dev, const char *pnpinfo)
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{
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char val1[256], val2[256];
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int ival, len, ents, i, notme, mask, bit, v, found;
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void *ptr, *walker;
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char *lastmod = NULL, *cp, *s;
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walker = hints;
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getint(&walker);
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found = 0;
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2018-02-18 23:16:16 +00:00
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if (verbose_flag)
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printf("Searching bus %s dev %s for pnpinfo %s\n",
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bus, dev, pnpinfo);
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2017-12-25 18:56:08 +00:00
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while (walker < hints_end) {
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len = getint(&walker);
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ival = getint(&walker);
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ptr = walker;
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switch (ival) {
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case MDT_VERSION:
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getstr(&ptr, val1);
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ival = getint(&ptr);
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getstr(&ptr, val2);
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2018-02-18 23:16:16 +00:00
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if (dump_flag || verbose_flag)
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2017-12-25 18:56:08 +00:00
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printf("Version: if %s.%d kmod %s\n", val1, ival, val2);
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break;
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case MDT_MODULE:
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getstr(&ptr, val1);
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getstr(&ptr, val2);
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if (lastmod)
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free(lastmod);
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lastmod = strdup(val2);
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2018-02-18 23:16:16 +00:00
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if (dump_flag || verbose_flag)
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2017-12-25 18:56:08 +00:00
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printf("Module %s in %s\n", val1, val2);
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break;
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case MDT_PNP_INFO:
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2017-12-27 18:30:24 +00:00
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if (!dump_flag && !unbound_flag && lastmod && strcmp(lastmod, "kernel") == 0)
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2017-12-25 18:56:08 +00:00
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break;
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getstr(&ptr, val1);
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getstr(&ptr, val2);
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ents = getint(&ptr);
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2018-02-18 23:16:16 +00:00
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if (dump_flag || verbose_flag)
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2017-12-25 18:56:08 +00:00
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printf("PNP info for bus %s format %s %d entries (%s)\n",
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val1, val2, ents, lastmod);
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2018-02-18 23:16:16 +00:00
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if (strcmp(val1, "usb") == 0) {
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if (verbose_flag)
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printf("Treating usb as uhub -- bug in source table still?\n");
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strcpy(val1, "uhub");
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}
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if (bus && strcmp(val1, bus) != 0) {
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if (verbose_flag)
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printf("Skipped because table for bus %s, looking for %s\n",
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val1, bus);
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break;
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}
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2017-12-25 18:56:08 +00:00
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for (i = 0; i < ents; i++) {
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2018-02-18 23:16:16 +00:00
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if (verbose_flag)
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printf("---------- Entry %d ----------\n", i);
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2017-12-25 18:56:08 +00:00
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if (dump_flag)
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printf(" ");
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cp = val2;
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notme = 0;
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mask = -1;
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bit = -1;
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do {
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switch (*cp) {
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2018-02-17 06:57:25 +00:00
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/* All integer fields */
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2017-12-25 18:56:08 +00:00
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case 'I':
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case 'J':
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case 'G':
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case 'L':
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case 'M':
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ival = getint(&ptr);
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if (dump_flag) {
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printf("%#x:", ival);
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break;
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}
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if (bit >= 0 && ((1 << bit) & mask) == 0)
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break;
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v = pnpval_as_int(cp + 2, pnpinfo);
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2018-02-18 23:16:16 +00:00
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if (verbose_flag)
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printf("Matching %s (%c) table=%#x tomatch=%#x\n",
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cp + 2, *cp, v, ival);
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2017-12-25 18:56:08 +00:00
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switch (*cp) {
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case 'J':
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if (ival == -1)
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break;
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/*FALLTHROUGH*/
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case 'I':
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2018-02-17 06:57:30 +00:00
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if (v != ival)
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2017-12-25 18:56:08 +00:00
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notme++;
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break;
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case 'G':
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if (v < ival)
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notme++;
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break;
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case 'L':
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if (v > ival)
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notme++;
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break;
|
|
|
|
case 'M':
|
|
|
|
mask = ival;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
2018-02-17 06:57:25 +00:00
|
|
|
/* String fields */
|
2017-12-25 18:56:08 +00:00
|
|
|
case 'D':
|
|
|
|
case 'Z':
|
|
|
|
getstr(&ptr, val1);
|
|
|
|
if (dump_flag) {
|
|
|
|
printf("'%s':", val1);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (*cp == 'D')
|
|
|
|
break;
|
|
|
|
s = pnpval_as_str(cp + 2, pnpinfo);
|
|
|
|
if (strcmp(s, val1) != 0)
|
|
|
|
notme++;
|
|
|
|
break;
|
2018-02-17 06:57:25 +00:00
|
|
|
/* Key override fields, required to be last in the string */
|
|
|
|
case 'T':
|
|
|
|
/*
|
|
|
|
* This is imperfect and only does one key and will be redone
|
|
|
|
* to be more general for multiple keys. Currently, nothing
|
|
|
|
* does that.
|
|
|
|
*/
|
|
|
|
if (dump_flag) /* No per-row data stored */
|
|
|
|
break;
|
|
|
|
if (cp[strlen(cp) - 1] == ';') /* Skip required ; at end */
|
|
|
|
cp[strlen(cp) - 1] = '\0'; /* in case it's not there */
|
|
|
|
if ((s = strstr(pnpinfo, cp + 2)) == NULL)
|
|
|
|
notme++;
|
|
|
|
else if (s > pnpinfo && s[-1] != ' ')
|
|
|
|
notme++;
|
|
|
|
break;
|
2017-12-25 18:56:08 +00:00
|
|
|
default:
|
2018-02-17 06:57:12 +00:00
|
|
|
fprintf(stderr, "Unknown field type %c\n:", *cp);
|
2017-12-25 18:56:08 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
bit++;
|
|
|
|
cp = strchr(cp, ';');
|
|
|
|
if (cp)
|
|
|
|
cp++;
|
|
|
|
} while (cp && *cp);
|
|
|
|
if (dump_flag)
|
|
|
|
printf("\n");
|
|
|
|
else if (!notme) {
|
|
|
|
if (!unbound_flag) {
|
|
|
|
if (all_flag)
|
2018-08-23 05:06:11 +00:00
|
|
|
printf("%s: %s", *dev ? dev : "unattached", lastmod);
|
2018-02-17 14:34:47 +00:00
|
|
|
else
|
2018-08-25 15:47:52 +00:00
|
|
|
printf("%s\n", lastmod);
|
2018-02-20 05:35:00 +00:00
|
|
|
if (verbose_flag)
|
|
|
|
printf("Matches --- %s ---\n", lastmod);
|
2017-12-25 18:56:08 +00:00
|
|
|
}
|
|
|
|
found++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
if (dump_flag)
|
|
|
|
printf("Unknown Type %d len %d\n", ival, len);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
walker = (void *)(len - sizeof(int) + (intptr_t)walker);
|
|
|
|
}
|
|
|
|
if (unbound_flag && found == 0 && *pnpinfo) {
|
|
|
|
if (verbose_flag)
|
|
|
|
printf("------------------------- ");
|
2017-12-26 04:07:18 +00:00
|
|
|
printf("%s on %s pnpinfo %s", *dev ? dev : "unattached", bus, pnpinfo);
|
2017-12-25 18:56:08 +00:00
|
|
|
if (verbose_flag)
|
|
|
|
printf(" -------------------------");
|
|
|
|
printf("\n");
|
|
|
|
}
|
2017-12-27 18:30:24 +00:00
|
|
|
free(lastmod);
|
2017-12-25 18:56:08 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
find_unmatched(struct devinfo_dev *dev, void *arg)
|
|
|
|
{
|
|
|
|
struct devinfo_dev *parent;
|
|
|
|
char *bus, *p;
|
|
|
|
|
|
|
|
do {
|
|
|
|
if (!all_flag && dev->dd_name[0] != '\0')
|
|
|
|
break;
|
|
|
|
if (!(dev->dd_flags & DF_ENABLED))
|
|
|
|
break;
|
2018-08-23 05:06:16 +00:00
|
|
|
if (dev->dd_flags & DF_ATTACHED_ONCE)
|
|
|
|
break;
|
2017-12-25 18:56:08 +00:00
|
|
|
parent = devinfo_handle_to_device(dev->dd_parent);
|
|
|
|
bus = strdup(parent->dd_name);
|
|
|
|
p = bus + strlen(bus) - 1;
|
|
|
|
while (p >= bus && isdigit(*p))
|
|
|
|
p--;
|
|
|
|
*++p = '\0';
|
|
|
|
if (verbose_flag)
|
|
|
|
printf("Searching %s %s bus at %s for pnpinfo %s\n",
|
|
|
|
dev->dd_name, bus, dev->dd_location, dev->dd_pnpinfo);
|
|
|
|
search_hints(bus, dev->dd_name, dev->dd_pnpinfo);
|
|
|
|
free(bus);
|
|
|
|
} while (0);
|
|
|
|
|
|
|
|
return (devinfo_foreach_device_child(dev, find_unmatched, arg));
|
|
|
|
}
|
|
|
|
|
2018-08-23 05:06:22 +00:00
|
|
|
struct exact_info
|
|
|
|
{
|
|
|
|
const char *bus;
|
|
|
|
const char *loc;
|
|
|
|
struct devinfo_dev *dev;
|
|
|
|
};
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Look for the exact location specified by the nomatch event. The
|
|
|
|
* loc and pnpinfo run together to get the string we're looking for,
|
|
|
|
* so we have to synthesize the same thing that subr_bus.c is
|
|
|
|
* generating in devnomatch/devaddq to do the string comparison.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
find_exact_dev(struct devinfo_dev *dev, void *arg)
|
|
|
|
{
|
|
|
|
struct devinfo_dev *parent;
|
|
|
|
char *loc;
|
|
|
|
struct exact_info *info;
|
|
|
|
|
|
|
|
info = arg;
|
|
|
|
do {
|
|
|
|
if (info->dev != NULL)
|
|
|
|
break;
|
|
|
|
if (!(dev->dd_flags & DF_ENABLED))
|
|
|
|
break;
|
|
|
|
parent = devinfo_handle_to_device(dev->dd_parent);
|
|
|
|
if (strcmp(info->bus, parent->dd_name) != 0)
|
|
|
|
break;
|
|
|
|
asprintf(&loc, "%s %s", parent->dd_pnpinfo,
|
|
|
|
parent->dd_location);
|
|
|
|
if (strcmp(loc, info->loc) == 0)
|
|
|
|
info->dev = dev;
|
|
|
|
free(loc);
|
|
|
|
} while (0);
|
|
|
|
|
|
|
|
return (devinfo_foreach_device_child(dev, find_exact_dev, arg));
|
|
|
|
}
|
|
|
|
|
2018-02-17 06:57:34 +00:00
|
|
|
static void
|
|
|
|
find_nomatch(char *nomatch)
|
|
|
|
{
|
2018-08-23 05:06:22 +00:00
|
|
|
char *bus, *pnpinfo, *tmp, *busnameunit;
|
|
|
|
struct exact_info info;
|
2018-02-17 06:57:34 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Find our bus name. It will include the unit number. We have to search
|
|
|
|
* backwards to avoid false positive for any PNP string that has ' on '
|
|
|
|
* in them, which would come earlier in the string. Like if there were
|
|
|
|
* an 'Old Bard' ethernet card made by 'Stratford on Avon Hardware' or
|
|
|
|
* something silly like that.
|
|
|
|
*/
|
|
|
|
tmp = nomatch + strlen(nomatch) - 4;
|
|
|
|
while (tmp > nomatch && strncmp(tmp, " on ", 4) != 0)
|
|
|
|
tmp--;
|
|
|
|
if (tmp == nomatch)
|
|
|
|
errx(1, "No bus found in nomatch string: '%s'", nomatch);
|
|
|
|
bus = tmp + 4;
|
|
|
|
*tmp = '\0';
|
2018-08-23 05:06:22 +00:00
|
|
|
busnameunit = strdup(bus);
|
|
|
|
if (busnameunit == NULL)
|
|
|
|
errx(1, "Can't allocate memory for strings");
|
2018-02-17 06:57:34 +00:00
|
|
|
tmp = bus + strlen(bus) - 1;
|
|
|
|
while (tmp > bus && isdigit(*tmp))
|
|
|
|
tmp--;
|
|
|
|
*++tmp = '\0';
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Note: the NOMATCH events place both the bus location as well as the
|
|
|
|
* pnp info after the 'at' and we don't know where one stops and the
|
|
|
|
* other begins, so we pass the whole thing to our search routine.
|
|
|
|
*/
|
|
|
|
if (*nomatch == '?')
|
|
|
|
nomatch++;
|
|
|
|
if (strncmp(nomatch, " at ", 4) != 0)
|
|
|
|
errx(1, "Malformed NOMATCH string: '%s'", nomatch);
|
|
|
|
pnpinfo = nomatch + 4;
|
|
|
|
|
2018-08-23 05:06:22 +00:00
|
|
|
/*
|
|
|
|
* See if we can find the devinfo_dev for this device. If we
|
|
|
|
* can, and it's been attached before, we should filter it out
|
|
|
|
* so that a kldunload foo doesn't cause an immediate reload.
|
|
|
|
*/
|
|
|
|
info.loc = pnpinfo;
|
|
|
|
info.bus = busnameunit;
|
|
|
|
info.dev = NULL;
|
|
|
|
devinfo_foreach_device_child(root, find_exact_dev, (void *)&info);
|
|
|
|
if (info.dev != NULL && info.dev->dd_flags & DF_ATTACHED_ONCE)
|
|
|
|
exit(0);
|
2018-02-17 06:57:34 +00:00
|
|
|
search_hints(bus, "", pnpinfo);
|
|
|
|
|
|
|
|
exit(0);
|
|
|
|
}
|
|
|
|
|
2017-12-25 18:56:08 +00:00
|
|
|
static void
|
|
|
|
usage(void)
|
|
|
|
{
|
|
|
|
|
2018-02-17 06:57:43 +00:00
|
|
|
errx(1, "devmatch [-adv] [-p nomatch] [-h linker-hints]");
|
2017-12-25 18:56:08 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
main(int argc, char **argv)
|
|
|
|
{
|
|
|
|
int ch;
|
|
|
|
|
2018-02-17 06:57:43 +00:00
|
|
|
while ((ch = getopt_long(argc, argv, "adh:p:uv",
|
2017-12-25 18:56:08 +00:00
|
|
|
longopts, NULL)) != -1) {
|
|
|
|
switch (ch) {
|
|
|
|
case 'a':
|
|
|
|
all_flag++;
|
|
|
|
break;
|
|
|
|
case 'd':
|
|
|
|
dump_flag++;
|
|
|
|
break;
|
2018-02-17 06:57:43 +00:00
|
|
|
case 'h':
|
|
|
|
linker_hints = optarg;
|
|
|
|
break;
|
2018-02-17 06:57:34 +00:00
|
|
|
case 'p':
|
|
|
|
nomatch_str = optarg;
|
|
|
|
break;
|
2017-12-25 18:56:08 +00:00
|
|
|
case 'u':
|
|
|
|
unbound_flag++;
|
|
|
|
break;
|
|
|
|
case 'v':
|
|
|
|
verbose_flag++;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
usage();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
argc -= optind;
|
|
|
|
argv += optind;
|
|
|
|
|
|
|
|
if (argc >= 1)
|
|
|
|
usage();
|
|
|
|
|
|
|
|
read_linker_hints();
|
|
|
|
if (dump_flag) {
|
|
|
|
search_hints(NULL, NULL, NULL);
|
|
|
|
exit(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (devinfo_init())
|
|
|
|
err(1, "devinfo_init");
|
|
|
|
if ((root = devinfo_handle_to_device(DEVINFO_ROOT_DEVICE)) == NULL)
|
|
|
|
errx(1, "can't find root device");
|
2018-08-23 05:06:22 +00:00
|
|
|
if (nomatch_str != NULL)
|
|
|
|
find_nomatch(nomatch_str);
|
|
|
|
else
|
|
|
|
devinfo_foreach_device_child(root, find_unmatched, (void *)0);
|
2017-12-25 18:56:08 +00:00
|
|
|
devinfo_free();
|
|
|
|
}
|