chiark / gitweb /
move imported udev into place
[elogind.git] / src / udev / test-udev.c
diff --git a/src/udev/test-udev.c b/src/udev/test-udev.c
new file mode 100644 (file)
index 0000000..c9712e9
--- /dev/null
@@ -0,0 +1,121 @@
+/*
+ * 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/>.
+ */
+
+#include <stdio.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <errno.h>
+#include <unistd.h>
+#include <syslog.h>
+#include <grp.h>
+#include <sys/signalfd.h>
+
+#include "udev.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;
+        char syspath[UTIL_PATH_SIZE];
+        const char *devpath;
+        const char *action;
+        sigset_t mask, sigmask_orig;
+        int err = -EINVAL;
+
+        udev = udev_new();
+        if (udev == NULL)
+                exit(1);
+        info(udev, "version %s\n", VERSION);
+        udev_selinux_init(udev);
+
+        sigprocmask(SIG_SETMASK, NULL, &sigmask_orig);
+
+        action = argv[1];
+        if (action == NULL) {
+                err(udev, "action missing\n");
+                goto out;
+        }
+
+        devpath = argv[2];
+        if (devpath == NULL) {
+                err(udev, "devpath missing\n");
+                goto out;
+        }
+
+        rules = udev_rules_new(udev, 1);
+
+        util_strscpyl(syspath, sizeof(syspath), udev_get_sys_path(udev), devpath, NULL);
+        dev = udev_device_new_from_syspath(udev, syspath);
+        if (dev == NULL) {
+                info(udev, "unknown device '%s'\n", devpath);
+                goto out;
+        }
+
+        udev_device_set_action(dev, action);
+        event = udev_event_new(dev);
+
+        sigfillset(&mask);
+        sigprocmask(SIG_SETMASK, &mask, &sigmask_orig);
+        event->fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
+        if (event->fd_signal < 0) {
+                fprintf(stderr, "error creating signalfd\n");
+                goto out;
+        }
+
+        /* do what devtmpfs usually provides us */
+        if (udev_device_get_devnode(dev) != NULL) {
+                mode_t mode;
+
+                if (strcmp(udev_device_get_subsystem(dev), "block") == 0)
+                        mode |= S_IFBLK;
+                else
+                        mode |= S_IFCHR;
+
+                if (strcmp(action, "remove") != 0) {
+                        util_create_path(udev, udev_device_get_devnode(dev));
+                        mknod(udev_device_get_devnode(dev), mode, udev_device_get_devnum(dev));
+                } else {
+                        unlink(udev_device_get_devnode(dev));
+                        util_delete_path(udev, udev_device_get_devnode(dev));
+                }
+        }
+
+        err = udev_event_execute_rules(event, rules, &sigmask_orig);
+        if (err == 0)
+                udev_event_execute_run(event, NULL);
+out:
+        if (event != NULL && event->fd_signal >= 0)
+                close(event->fd_signal);
+        udev_event_unref(event);
+        udev_device_unref(dev);
+        udev_rules_unref(rules);
+        udev_selinux_exit(udev);
+        udev_unref(udev);
+        if (err != 0)
+                return 1;
+        return 0;
+}