[thirdparty/systemd.git] / udevtest.c

/*
 * udev.c
 *
 * Userspace devfs
 *
 * Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
 *
 *	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.,
 *	675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <ctype.h>
#include <signal.h>

#include "libsysfs/sysfs/libsysfs.h"
#include "udev.h"
#include "udev_version.h"
#include "logging.h"
#include "namedev.h"

/* global variables */
char **main_argv;
char **main_envp;

#ifdef LOG
unsigned char logname[LOGNAME_SIZE];
void log_message (int level, const char *format, ...)
{
	va_list args;

	va_start(args, format);
	vprintf(format, args);
	va_end(args);
	if (format[strlen(format)-1] != '\n')
		printf("\n");
}
#endif

static char *subsystem_blacklist[] = {
	"net",
	"scsi_host",
	"scsi_device",
	"usb_host",
	"pci_bus",
	"pcmcia_socket",
	""
};

static int udev_hotplug(void)
{
	char *devpath;
	char *subsystem;
	int retval = -EINVAL;
	int i;

	devpath = main_argv[1];
	if (!devpath) {
		dbg("no devpath?");
		goto exit;
	}
	dbg("looking at '%s'", devpath);

	/* we only care about class devices and block stuff */
	if (!strstr(devpath, "class") &&
	    !strstr(devpath, "block")) {
		dbg("not a block or class device");
		goto exit;
	}

	/* skip blacklisted subsystems */
	subsystem = main_argv[1];
	i = 0;
	while (subsystem_blacklist[i][0] != '\0') {
		if (strcmp(subsystem, subsystem_blacklist[i]) == 0) {
			dbg("don't care about '%s' devices", subsystem);
			goto exit;
		}
		i++;
	}

	/* initialize our configuration */
	udev_init_config();

	/* initialize the naming deamon */
	namedev_init();

	/* simulate node creation with fake flag */
	retval = udev_add_device(devpath, subsystem, 1);

exit:
	if (retval > 0)
		retval = 0;

	return -retval;
}

int main(int argc, char *argv[], char *envp[])
{
	main_argv = argv;
	main_envp = envp;

	dbg("version %s", UDEV_VERSION);

	return udev_hotplug();
}
Commit	Line	Data
bb051f66 GKH	1	/*
	2	* udev.c
	3	*
	4	* Userspace devfs
	5	*
	6	* Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
	7	*
	8	* This program is free software; you can redistribute it and/or modify it
	9	* under the terms of the GNU General Public License as published by the
	10	* Free Software Foundation version 2 of the License.
	11	*
	12	* This program is distributed in the hope that it will be useful, but
	13	* WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License along
	18	* with this program; if not, write to the Free Software Foundation, Inc.,
	19	* 675 Mass Ave, Cambridge, MA 02139, USA.
	20	*
	21	*/
	22
	23	#include <stdlib.h>
	24	#include <string.h>
	25	#include <stdio.h>
	26	#include <errno.h>
	27	#include <ctype.h>
	28	#include <signal.h>
	29
c80da508	30	#include "libsysfs/sysfs/libsysfs.h"
bb051f66 GKH	31	#include "udev.h"
bb051f66 GKH	32	#include "udev_version.h"
bb051f66 GKH	33	#include "logging.h"
bb051f66 GKH	34	#include "namedev.h"
bb051f66 GKH	35
	36	/* global variables */
	37	char **main_argv;
	38	char **main_envp;
	39
	40	#ifdef LOG
d00bd172	41	unsigned char logname[LOGNAME_SIZE];
bb051f66 GKH	42	void log_message (int level, const char *format, ...)
bb051f66 GKH	43	{
d00bd172	44	va_list args;
bb051f66	45
bb051f66	46	va_start(args, format);
eb10f97f	47	vprintf(format, args);
bb051f66	48	va_end(args);
eb10f97f GKH	49	if (format[strlen(format)-1] != '\n')
eb10f97f GKH	50	printf("\n");
bb051f66 GKH	51	}
	52	#endif
	53
bb051f66 GKH	54	static char *subsystem_blacklist[] = {
	55	"net",
	56	"scsi_host",
	57	"scsi_device",
	58	"usb_host",
	59	"pci_bus",
d00bd172 KS	60	"pcmcia_socket",
d00bd172 KS	61	""
bb051f66 GKH	62	};
bb051f66 GKH	63
d00bd172	64	static int udev_hotplug(void)
bb051f66	65	{
bb051f66 GKH	66	char *devpath;
	67	char *subsystem;
	68	int retval = -EINVAL;
	69	int i;
bb051f66	70
d00bd172	71	devpath = main_argv[1];
bb051f66	72	if (!devpath) {
eb10f97f	73	dbg("no devpath?");
bb051f66 GKH	74	goto exit;
	75	}
	76	dbg("looking at '%s'", devpath);
	77
	78	/* we only care about class devices and block stuff */
	79	if (!strstr(devpath, "class") &&
	80	!strstr(devpath, "block")) {
	81	dbg("not a block or class device");
	82	goto exit;
	83	}
	84
	85	/* skip blacklisted subsystems */
d00bd172	86	subsystem = main_argv[1];
bb051f66 GKH	87	i = 0;
	88	while (subsystem_blacklist[i][0] != '\0') {
	89	if (strcmp(subsystem, subsystem_blacklist[i]) == 0) {
	90	dbg("don't care about '%s' devices", subsystem);
	91	goto exit;
	92	}
	93	i++;
	94	}
	95
bb051f66 GKH	96	/* initialize our configuration */
	97	udev_init_config();
	98
bb051f66 GKH	99	/* initialize the naming deamon */
	100	namedev_init();
	101
d00bd172	102	/* simulate node creation with fake flag */
eb10f97f	103	retval = udev_add_device(devpath, subsystem, 1);
bb051f66 GKH	104
	105	exit:
	106	if (retval > 0)
	107	retval = 0;
	108
	109	return -retval;
	110	}
	111
d00bd172	112	int main(int argc, char argv[], char envp[])
bb051f66 GKH	113	{
	114	main_argv = argv;
	115	main_envp = envp;
	116
bb051f66 GKH	117	dbg("version %s", UDEV_VERSION);
bb051f66 GKH	118
d00bd172	119	return udev_hotplug();
bb051f66 GKH	120	}
	121
	122