152 lines
5.0 KiB
C
152 lines
5.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* Copyright © 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
|
|
*/
|
|
|
|
#include <errno.h>
|
|
#include <getopt.h>
|
|
#include <signal.h>
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <sys/signalfd.h>
|
|
#include <unistd.h>
|
|
|
|
#include "string-util.h"
|
|
#include "udev.h"
|
|
#include "udevadm.h"
|
|
|
|
static const char *arg_action = "add";
|
|
static int arg_resolve_names = 1;
|
|
static char arg_syspath[UTIL_PATH_SIZE] = {};
|
|
|
|
static int help(void) {
|
|
|
|
printf("%s test [OPTIONS] DEVPATH\n\n"
|
|
"Test an event run.\n\n"
|
|
" -h --help Show this help\n"
|
|
" -V --version Show package version\n"
|
|
" -a --action=ACTION Set action string\n"
|
|
" -N --resolve-names=early|late|never When to resolve names\n"
|
|
, program_invocation_short_name);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int parse_argv(int argc, char *argv[]) {
|
|
static const struct option options[] = {
|
|
{ "action", required_argument, NULL, 'a' },
|
|
{ "resolve-names", required_argument, NULL, 'N' },
|
|
{ "version", no_argument, NULL, 'V' },
|
|
{ "help", no_argument, NULL, 'h' },
|
|
{}
|
|
};
|
|
|
|
int c;
|
|
|
|
while ((c = getopt_long(argc, argv, "a:N:Vh", options, NULL)) >= 0)
|
|
switch (c) {
|
|
case 'a':
|
|
arg_action = optarg;
|
|
break;
|
|
case 'N':
|
|
if (streq (optarg, "early")) {
|
|
arg_resolve_names = 1;
|
|
} else if (streq (optarg, "late")) {
|
|
arg_resolve_names = 0;
|
|
} else if (streq (optarg, "never")) {
|
|
arg_resolve_names = -1;
|
|
} else {
|
|
log_error("resolve-names must be early, late or never");
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
case 'V':
|
|
return version();
|
|
case 'h':
|
|
return help();
|
|
case '?':
|
|
return -EINVAL;
|
|
default:
|
|
assert_not_reached("Unknown option");
|
|
}
|
|
|
|
if (!argv[optind]) {
|
|
log_error("syspath parameter missing.");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* add /sys if needed */
|
|
if (!startswith(argv[optind], "/sys"))
|
|
strscpyl(arg_syspath, sizeof(arg_syspath), "/sys", argv[optind], NULL);
|
|
else
|
|
strscpy(arg_syspath, sizeof(arg_syspath), argv[optind]);
|
|
|
|
return 1;
|
|
}
|
|
|
|
int test_main(int argc, char *argv[], void *userdata) {
|
|
_cleanup_(udev_rules_unrefp) struct udev_rules *rules = NULL;
|
|
_cleanup_(udev_device_unrefp) struct udev_device *dev = NULL;
|
|
_cleanup_(udev_event_unrefp) struct udev_event *event = NULL;
|
|
struct udev_list_entry *entry;
|
|
sigset_t mask, sigmask_orig;
|
|
int r;
|
|
|
|
log_set_max_level(LOG_DEBUG);
|
|
|
|
r = parse_argv(argc, argv);
|
|
if (r <= 0)
|
|
return r;
|
|
|
|
printf("This program is for debugging only, it does not run any program\n"
|
|
"specified by a RUN key. It may show incorrect results, because\n"
|
|
"some values may be different, or not available at a simulation run.\n"
|
|
"\n");
|
|
|
|
sigprocmask(SIG_SETMASK, NULL, &sigmask_orig);
|
|
|
|
udev_builtin_init();
|
|
|
|
rules = udev_rules_new(arg_resolve_names);
|
|
if (!rules) {
|
|
log_error("Failed to read udev rules.");
|
|
r = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
dev = udev_device_new_from_synthetic_event(NULL, arg_syspath, arg_action);
|
|
if (dev == NULL) {
|
|
r = log_error_errno(errno, "Failed to open device '%s': %m", arg_syspath);
|
|
goto out;
|
|
}
|
|
|
|
/* don't read info from the db */
|
|
udev_device_set_info_loaded(dev);
|
|
|
|
event = udev_event_new(dev);
|
|
|
|
sigfillset(&mask);
|
|
sigprocmask(SIG_SETMASK, &mask, &sigmask_orig);
|
|
|
|
udev_event_execute_rules(event,
|
|
60 * USEC_PER_SEC, 20 * USEC_PER_SEC,
|
|
NULL,
|
|
rules);
|
|
|
|
udev_list_entry_foreach(entry, udev_device_get_properties_list_entry(dev))
|
|
printf("%s=%s\n", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry));
|
|
|
|
udev_list_entry_foreach(entry, udev_list_get_entry(&event->run_list)) {
|
|
char program[UTIL_PATH_SIZE];
|
|
|
|
udev_event_apply_format(event, udev_list_entry_get_name(entry), program, sizeof(program), false);
|
|
printf("run: '%s'\n", program);
|
|
}
|
|
|
|
r = 0;
|
|
out:
|
|
udev_builtin_exit();
|
|
return r;
|
|
}
|