From b750101eb236130cf056c675997decbac904cc49 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:35:18 +0200 Subject: Adding upstream version 252.22. Signed-off-by: Daniel Baumann --- src/udev/udevadm-test.c | 151 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 151 insertions(+) create mode 100644 src/udev/udevadm-test.c (limited to 'src/udev/udevadm-test.c') diff --git a/src/udev/udevadm-test.c b/src/udev/udevadm-test.c new file mode 100644 index 0000000..626b963 --- /dev/null +++ b/src/udev/udevadm-test.c @@ -0,0 +1,151 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright © 2003-2004 Greg Kroah-Hartman + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "sd-device.h" + +#include "device-private.h" +#include "device-util.h" +#include "path-util.h" +#include "string-util.h" +#include "strxcpyx.h" +#include "udev-builtin.h" +#include "udev-event.h" +#include "udevadm-util.h" +#include "udevadm.h" + +static sd_device_action_t arg_action = SD_DEVICE_ADD; +static ResolveNameTiming arg_resolve_name_timing = RESOLVE_NAME_EARLY; +static const char *arg_syspath = NULL; + +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|help 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 r, c; + + while ((c = getopt_long(argc, argv, "a:N:Vh", options, NULL)) >= 0) + switch (c) { + case 'a': + r = parse_device_action(optarg, &arg_action); + if (r < 0) + return log_error_errno(r, "Invalid action '%s'", optarg); + if (r == 0) + return 0; + break; + case 'N': + arg_resolve_name_timing = resolve_name_timing_from_string(optarg); + if (arg_resolve_name_timing < 0) + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), + "--resolve-names= must be early, late or never"); + break; + case 'V': + return print_version(); + case 'h': + return help(); + case '?': + return -EINVAL; + default: + assert_not_reached(); + } + + arg_syspath = argv[optind]; + if (!arg_syspath) + return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "syspath parameter missing."); + + return 1; +} + +int test_main(int argc, char *argv[], void *userdata) { + _cleanup_(udev_rules_freep) UdevRules *rules = NULL; + _cleanup_(udev_event_freep) UdevEvent *event = NULL; + _cleanup_(sd_device_unrefp) sd_device *dev = NULL; + const char *cmd, *key, *value; + sigset_t mask, sigmask_orig; + void *val; + int r; + + log_set_max_level(LOG_DEBUG); + log_parse_environment(); + + 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"); + + assert_se(sigprocmask(SIG_SETMASK, NULL, &sigmask_orig) >= 0); + + udev_builtin_init(); + + r = udev_rules_load(&rules, arg_resolve_name_timing); + if (r < 0) { + log_error_errno(r, "Failed to read udev rules: %m"); + goto out; + } + + r = find_device_with_action(arg_syspath, arg_action, &dev); + if (r < 0) { + log_error_errno(r, "Failed to open device '%s': %m", arg_syspath); + goto out; + } + + /* don't read info from the db */ + device_seal(dev); + + event = udev_event_new(dev, 0, NULL, LOG_DEBUG); + + assert_se(sigfillset(&mask) >= 0); + assert_se(sigprocmask(SIG_SETMASK, &mask, &sigmask_orig) >= 0); + + udev_event_execute_rules(event, -1, 60 * USEC_PER_SEC, SIGKILL, NULL, rules); + + FOREACH_DEVICE_PROPERTY(dev, key, value) + printf("%s=%s\n", key, value); + + ORDERED_HASHMAP_FOREACH_KEY(val, cmd, event->run_list) { + char program[UDEV_PATH_SIZE]; + bool truncated; + + (void) udev_event_apply_format(event, cmd, program, sizeof(program), false, &truncated); + if (truncated) + log_warning("The command '%s' is truncated while substituting into '%s'.", program, cmd); + printf("run: '%s'\n", program); + } + + r = 0; +out: + udev_builtin_exit(); + return r; +} -- cgit v1.2.3