-/*
- * Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
- * Copyright (C) 2004-2008 Kay Sievers <kay.sievers@vrfy.org>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
+/***
+ This file is part of systemd.
+
+ Copyright 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
+ Copyright 2004-2012 Kay Sievers <kay@vrfy.org>
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
#include <stdio.h>
#include <stddef.h>
#include <unistd.h>
#include <syslog.h>
#include <grp.h>
+#include <sched.h>
+#include <sys/mount.h>
#include <sys/signalfd.h>
+#include "missing.h"
#include "udev.h"
+#include "udev-util.h"
void udev_main_log(struct udev *udev, int priority,
const char *file, int line, const char *fn,
const char *format, va_list args) {}
-int main(int argc, char *argv[])
-{
- struct udev *udev;
- struct udev_event *event = NULL;
- struct udev_device *dev = NULL;
- struct udev_rules *rules = NULL;
+static int fake_filesystems(void) {
+ static const struct fakefs {
+ const char *src;
+ const char *target;
+ const char *error;
+ } fakefss[] = {
+ { "test/sys", "/sys", "failed to mount test /sys" },
+ { "test/dev", "/dev", "failed to mount test /dev" },
+ { "test/run", "/run", "failed to mount test /run" },
+ { "test/run", "/etc/udev/rules.d", "failed to mount empty /etc/udev/rules.d" },
+ { "test/run", "/usr/lib/udev/rules.d", "failed to mount empty /usr/lib/udev/rules.d" },
+ };
+ unsigned int i;
+ int err;
+
+ err = unshare(CLONE_NEWNS);
+ if (err < 0) {
+ err = -errno;
+ fprintf(stderr, "failed to call unshare(): %m\n");
+ goto out;
+ }
+
+ if (mount(NULL, "/", NULL, MS_PRIVATE|MS_REC, NULL) < 0) {
+ err = -errno;
+ fprintf(stderr, "failed to mount / as private: %m\n");
+ goto out;
+ }
+
+ for (i = 0; i < ELEMENTSOF(fakefss); i++) {
+ err = mount(fakefss[i].src, fakefss[i].target, NULL, MS_BIND, NULL);
+ if (err < 0) {
+ err = -errno;
+ fprintf(stderr, "%s %m", fakefss[i].error);
+ return err;
+ }
+ }
+out:
+ return err;
+}
+
+
+int main(int argc, char *argv[]) {
+ _cleanup_udev_unref_ struct udev *udev = NULL;
+ _cleanup_udev_event_unref_ struct udev_event *event = NULL;
+ _cleanup_udev_device_unref_ struct udev_device *dev = NULL;
+ _cleanup_udev_rules_unref_ struct udev_rules *rules = NULL;
char syspath[UTIL_PATH_SIZE];
const char *devpath;
const char *action;
sigset_t mask, sigmask_orig;
- int err = -EINVAL;
+ int err;
+
+ err = fake_filesystems();
+ if (err < 0)
+ return EXIT_FAILURE;
udev = udev_new();
if (udev == NULL)
- exit(EXIT_FAILURE);
- log_debug("version %s\n", VERSION);
+ return EXIT_FAILURE;
+
+ log_debug("version %s", VERSION);
label_init("/dev");
sigprocmask(SIG_SETMASK, NULL, &sigmask_orig);
action = argv[1];
if (action == NULL) {
- log_error("action missing\n");
+ log_error("action missing");
goto out;
}
devpath = argv[2];
if (devpath == NULL) {
- log_error("devpath missing\n");
+ log_error("devpath missing");
goto out;
}
rules = udev_rules_new(udev, 1);
- util_strscpyl(syspath, sizeof(syspath), TEST_PREFIX "/sys", devpath, NULL);
+ strscpyl(syspath, sizeof(syspath), "/sys", devpath, NULL);
dev = udev_device_new_from_syspath(udev, syspath);
if (dev == NULL) {
- log_debug("unknown device '%s'\n", devpath);
+ log_debug("unknown device '%s'", devpath);
goto out;
}
if (udev_device_get_devnode(dev) != NULL) {
mode_t mode = 0600;
- if (strcmp(udev_device_get_subsystem(dev), "block") == 0)
+ if (streq(udev_device_get_subsystem(dev), "block"))
mode |= S_IFBLK;
else
mode |= S_IFCHR;
- if (strcmp(action, "remove") != 0) {
+ if (!streq(action, "remove")) {
mkdir_parents_label(udev_device_get_devnode(dev), 0755);
mknod(udev_device_get_devnode(dev), mode, udev_device_get_devnum(dev));
} else {
out:
if (event != NULL && event->fd_signal >= 0)
close(event->fd_signal);
- udev_event_unref(event);
- udev_device_unref(dev);
- udev_rules_unref(rules);
label_finish();
- udev_unref(udev);
- if (err != 0)
- return EXIT_FAILURE;
- return EXIT_SUCCESS;
+
+ return err ? EXIT_FAILURE : EXIT_SUCCESS;
}