rename "udev.c" to "test-udev.c" - it is only for testing

1 files changed, 184 insertions, 0 deletions

diff --git a/test-udev.c b/test-udev.c
new file mode 100644
index 0000000000..bbe50eeeb4
--- /dev/null
+++ b/test-udev.c
@@ -0,0 +1,184 @@
+/*
+ * Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2004-2006 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 version 2 of the License.
+ * 
+ *	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, write to the Free Software Foundation, Inc.,
+ *	51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ */
+
+#include <stdio.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <errno.h>
+#include <signal.h>
+#include <unistd.h>
+#include <syslog.h>
+
+#include "udev.h"
+#include "udev_rules.h"
+#include "udev_selinux.h"
+
+#ifdef USE_LOG
+void log_message(int priority, const char *format, ...)
+{
+	va_list args;
+
+	if (priority > udev_log_priority)
+		return;
+
+	va_start(args, format);
+	vsyslog(priority, format, args);
+	va_end(args);
+}
+#endif
+
+static void asmlinkage sig_handler(int signum)
+{
+	switch (signum) {
+		case SIGALRM:
+			exit(1);
+		case SIGINT:
+		case SIGTERM:
+			exit(20 + signum);
+	}
+}
+
+int main(int argc, char *argv[], char *envp[])
+{
+	struct sysfs_device *dev;
+	struct udevice *udev;
+	const char *maj, *min;
+	struct udev_rules rules;
+	const char *action;
+	const char *devpath;
+	const char *subsystem;
+	struct sigaction act;
+	int devnull;
+	int retval = -EINVAL;
+
+	if (argc == 2 && strcmp(argv[1], "-V") == 0) {
+		printf("%s\n", UDEV_VERSION);
+		exit(0);
+	}
+
+	/* set std fd's to /dev/null, /sbin/hotplug forks us, we don't have them at all */
+	devnull = open("/dev/null", O_RDWR);
+	if (devnull >= 0)  {
+		if (devnull != STDIN_FILENO)
+			dup2(devnull, STDIN_FILENO);
+		if (devnull != STDOUT_FILENO)
+			dup2(devnull, STDOUT_FILENO);
+		if (devnull != STDERR_FILENO)
+			dup2(devnull, STDERR_FILENO);
+		if (devnull > STDERR_FILENO)
+			close(devnull);
+	}
+
+	logging_init("udev");
+	if (devnull < 0)
+		err("open /dev/null failed: %s", strerror(errno));
+	udev_config_init();
+	selinux_init();
+	dbg("version %s", UDEV_VERSION);
+
+	/* set signal handlers */
+	memset(&act, 0x00, sizeof(act));
+	act.sa_handler = (void (*)(int)) sig_handler;
+	sigemptyset (&act.sa_mask);
+	act.sa_flags = 0;
+	sigaction(SIGALRM, &act, NULL);
+	sigaction(SIGINT, &act, NULL);
+	sigaction(SIGTERM, &act, NULL);
+
+	/* trigger timeout to prevent hanging processes */
+	alarm(UDEV_ALARM_TIMEOUT);
+
+	action = getenv("ACTION");
+	devpath = getenv("DEVPATH");
+	subsystem = getenv("SUBSYSTEM");
+	/* older kernels passed the SUBSYSTEM only as argument */
+	if (subsystem == NULL && argc == 2)
+		subsystem = argv[1];
+
+	if (action == NULL || subsystem == NULL || devpath == NULL) {
+		err("action, subsystem or devpath missing");
+		goto exit;
+	}
+
+	/* export log_priority , as called programs may want to do the same as udev */
+	if (udev_log_priority) {
+		char priority[32];
+
+		sprintf(priority, "%i", udev_log_priority);
+		setenv("UDEV_LOG", priority, 1);
+	}
+
+	sysfs_init();
+	udev_rules_init(&rules, 0);
+
+	dev = sysfs_device_get(devpath);
+	if (dev == NULL) {
+		info("unable to open '%s'", devpath);
+		goto fail;
+	}
+
+	udev = udev_device_init();
+	if (udev == NULL)
+		goto fail;
+
+	/* override built-in sysfs device */
+	udev->dev = dev;
+	strlcpy(udev->action, action, sizeof(udev->action));
+
+	/* get dev_t from environment, which is needed for "remove" to work, "add" works also from sysfs */
+	maj = getenv("MAJOR");
+	min = getenv("MINOR");
+	if (maj != NULL && min != NULL)
+		udev->devt = makedev(atoi(maj), atoi(min));
+	else
+		udev->devt = udev_device_get_devt(udev);
+
+	retval = udev_device_event(&rules, udev);
+
+	if (retval == 0 && !udev->ignore_device && udev_run) {
+		struct name_entry *name_loop;
+
+		dbg("executing run list");
+		list_for_each_entry(name_loop, &udev->run_list, node) {
+			if (strncmp(name_loop->name, "socket:", strlen("socket:")) == 0)
+				pass_env_to_socket(&name_loop->name[strlen("socket:")], devpath, action);
+			else {
+				char program[PATH_SIZE];
+
+				strlcpy(program, name_loop->name, sizeof(program));
+				udev_rules_apply_format(udev, program, sizeof(program));
+				run_program(program, udev->dev->subsystem, NULL, 0, NULL, (udev_log_priority >= LOG_INFO));
+			}
+		}
+	}
+
+	udev_device_cleanup(udev);
+fail:
+	udev_rules_cleanup(&rules);
+	sysfs_cleanup();
+
+exit:
+	logging_close();
+	if (retval != 0)
+		return 1;
+	return 0;
+}