implement path_id, usb_id, input_id as built-in command

3 files changed, 0 insertions, 282 deletions

diff --git a/extras/input_id/.gitignore b/extras/input_id/.gitignore
deleted file mode 100644
index 4f33cba4ad..0000000000
--- a/extras/input_id/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-input_id
diff --git a/extras/input_id/input_id b/extras/input_id/input_id
new file mode 100755
index 0000000000..e215aad729
--- /dev/null
+++ b/extras/input_id/input_id
diff --git a/extras/input_id/input_id.c b/extras/input_id/input_id.c
index ba53df01b0..e69de29bb2 100644
--- a/extras/input_id/input_id.c
+++ b/extras/input_id/input_id.c
@@ -1,281 +0,0 @@
-/*
- * input_id - input device classification
- *
- * Copyright (C) 2009 Martin Pitt <martin.pitt@ubuntu.com>
- * Portions Copyright (C) 2004 David Zeuthen, <david@fubar.dk>
- *
- * 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 keymap; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <getopt.h>
-#include <limits.h>
-#include <linux/limits.h>
-#include <linux/input.h>
-
-#include "libudev.h"
-#include "libudev-private.h"
-
-/* we must use this kernel-compatible implementation */
-#define BITS_PER_LONG (sizeof(unsigned long) * 8)
-#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
-#define OFF(x)  ((x)%BITS_PER_LONG)
-#define BIT(x)  (1UL<<OFF(x))
-#define LONG(x) ((x)/BITS_PER_LONG)
-#define test_bit(bit, array)    ((array[LONG(bit)] >> OFF(bit)) & 1)
-
-static int debug = 0;
-
-static void log_fn(struct udev *udev, int priority,
-		   const char *file, int line, const char *fn,
-		   const char *format, va_list args)
-{
-	if (debug) {
-		fprintf(stderr, "%s: ", fn);
-		vfprintf(stderr, format, args);
-	} else {
-		vsyslog(priority, format, args);
-	}
-}
-
-/* 
- * Read a capability attribute and return bitmask.
- * @param dev udev_device
- * @param attr sysfs attribute name (e. g. "capabilities/key")
- * @param bitmask: Output array which has a sizeof of bitmask_size
- */
-static void get_cap_mask (struct udev_device *dev, const char* attr,
-			  unsigned long *bitmask, size_t bitmask_size)
-{
-	struct udev *udev = udev_device_get_udev(dev);
-	char text[4096];
-	unsigned i;
-	char* word;
-	unsigned long val;
-
-	snprintf(text, sizeof(text), "%s", udev_device_get_sysattr_value(dev, attr));
-	info(udev, "%s raw kernel attribute: %s\n", attr, text);
-
-	memset (bitmask, 0, bitmask_size);
-	i = 0;
-	while ((word = strrchr(text, ' ')) != NULL) {
-		val = strtoul (word+1, NULL, 16);
-		if (i < bitmask_size/sizeof(unsigned long))
-			bitmask[i] = val;
-		else
-			info(udev, "ignoring %s block %lX which is larger than maximum size\n", attr, val);
-		*word = '\0';
-		++i;
-	}
-	val = strtoul (text, NULL, 16);
-	if (i < bitmask_size / sizeof(unsigned long))
-		bitmask[i] = val;
-	else
-		info(udev, "ignoring %s block %lX which is larger than maximum size\n", attr, val);
-
-	if (debug) {
-		/* printf pattern with the right unsigned long number of hex chars */
-		snprintf(text, sizeof(text), "  bit %%4u: %%0%zilX\n", 2 * sizeof(unsigned long));
-		info(udev, "%s decoded bit map:\n", attr);
-		val = bitmask_size / sizeof (unsigned long);
-		/* skip over leading zeros */
-		while (bitmask[val-1] == 0 && val > 0)
-			--val;
-		for (i = 0; i < val; ++i)
-			info(udev, text, i * BITS_PER_LONG, bitmask[i]);
-	}
-}
-
-/* pointer devices */
-static void test_pointers (const unsigned long* bitmask_ev,
-			   const unsigned long* bitmask_abs,
-			   const unsigned long* bitmask_key,
-			   const unsigned long* bitmask_rel)
-{
-	int is_mouse = 0;
-	int is_touchpad = 0;
-
-	if (!test_bit (EV_KEY, bitmask_ev)) {
-		if (test_bit (EV_ABS, bitmask_ev) &&
-		    test_bit (ABS_X, bitmask_abs) &&
-		    test_bit (ABS_Y, bitmask_abs) &&
-		    test_bit (ABS_Z, bitmask_abs))
-			puts("ID_INPUT_ACCELEROMETER=1");
-		return;
-	}
-
-	if (test_bit (EV_ABS, bitmask_ev) &&
-	    test_bit (ABS_X, bitmask_abs) && test_bit (ABS_Y, bitmask_abs)) {
-		if (test_bit (BTN_STYLUS, bitmask_key) || test_bit (BTN_TOOL_PEN, bitmask_key))
-			puts("ID_INPUT_TABLET=1");
-		else if (test_bit (BTN_TOOL_FINGER, bitmask_key) && !test_bit (BTN_TOOL_PEN, bitmask_key))
-			is_touchpad = 1;
-		else if (test_bit (BTN_TRIGGER, bitmask_key) || 
-			 test_bit (BTN_A, bitmask_key) || 
-			 test_bit (BTN_1, bitmask_key))
-			puts("ID_INPUT_JOYSTICK=1");
-		else if (test_bit (BTN_MOUSE, bitmask_key))
-			/* This path is taken by VMware's USB mouse, which has
-			 * absolute axes, but no touch/pressure button. */
-			is_mouse = 1;
-		else if (test_bit (BTN_TOUCH, bitmask_key))
-			puts("ID_INPUT_TOUCHSCREEN=1");
-	}
-
-	if (test_bit (EV_REL, bitmask_ev) && 
-	    test_bit (REL_X, bitmask_rel) && test_bit (REL_Y, bitmask_rel) &&
-	    test_bit (BTN_MOUSE, bitmask_key))
-		is_mouse = 1;
-
-	if (is_mouse)
-		puts("ID_INPUT_MOUSE=1");
-	if (is_touchpad)
-		puts("ID_INPUT_TOUCHPAD=1");
-}
-
-/* key like devices */
-static void test_key (struct udev *udev,
-		      const unsigned long* bitmask_ev, 
-		      const unsigned long* bitmask_key)
-{
-	unsigned i;
-	unsigned long found;
-	unsigned long mask;
-
-	/* do we have any KEY_* capability? */
-	if (!test_bit (EV_KEY, bitmask_ev)) {
-		info(udev, "test_key: no EV_KEY capability\n");
-		return;
-	}
-
-	/* only consider KEY_* here, not BTN_* */
-	found = 0;
-	for (i = 0; i < BTN_MISC/BITS_PER_LONG; ++i) {
-		found |= bitmask_key[i];
-		info(udev, "test_key: checking bit block %lu for any keys; found=%i\n", i*BITS_PER_LONG, found > 0);
-	}
-	/* If there are no keys in the lower block, check the higher block */
-	if (!found) {
-		for (i = KEY_OK; i < BTN_TRIGGER_HAPPY; ++i) {
-			if (test_bit (i, bitmask_key)) {
-				info(udev, "test_key: Found key %x in high block\n", i);
-				found = 1;
-				break;
-			}
-		}
-	}
-
-	if (found > 0)
-		puts("ID_INPUT_KEY=1");
-
-	/* the first 32 bits are ESC, numbers, and Q to D; if we have all of
-	 * those, consider it a full keyboard; do not test KEY_RESERVED, though */
-	mask = 0xFFFFFFFE;
-	if ((bitmask_key[0] & mask) == mask)
-		puts("ID_INPUT_KEYBOARD=1");
-}
-
-static void help(void)
-{
-	printf("Usage: input_id [options] <device path>\n"
-	       "  --debug         debug to stderr\n"
-	       "  --help          print this help text\n\n");
-}
-
-int main (int argc, char** argv)
-{
-	struct udev *udev;
-	struct udev_device *dev;
-
-	static const struct option options[] = {
-		{ "debug", no_argument, NULL, 'd' },
-		{ "help", no_argument, NULL, 'h' },
-		{}
-	};
-
-	char devpath[PATH_MAX];
-	unsigned long bitmask_ev[NBITS(EV_MAX)];
-	unsigned long bitmask_abs[NBITS(ABS_MAX)];
-	unsigned long bitmask_key[NBITS(KEY_MAX)];
-	unsigned long bitmask_rel[NBITS(REL_MAX)];
-
-	udev = udev_new();
-	if (udev == NULL)
-		return 1;
-
-	udev_log_init("input_id");
-	udev_set_log_fn(udev, log_fn);
-
-	/* CLI argument parsing */
-	while (1) {
-		int option;
-
-		option = getopt_long(argc, argv, "dxh", options, NULL);
-		if (option == -1)
-			break;
-
-		switch (option) {
-		case 'd':
-			debug = 1;
-			if (udev_get_log_priority(udev) < LOG_INFO)
-				udev_set_log_priority(udev, LOG_INFO);
-			break;
-		case 'h':
-			help();
-			exit(0);
-		default:
-			exit(1);
-		}
-	}
-
-	if (argv[optind] == NULL) {
-		help();
-		exit(1);
-	}
-
-	/* get the device */
-	snprintf(devpath, sizeof(devpath), "%s/%s", udev_get_sys_path(udev), argv[optind]);
-	dev = udev_device_new_from_syspath(udev, devpath);
-	if (dev == NULL) {
-		fprintf(stderr, "unable to access '%s'\n", devpath);
-		return 1;
-	}
-
-	/* walk up the parental chain until we find the real input device; the
-	 * argument is very likely a subdevice of this, like eventN */
-	while (dev != NULL && udev_device_get_sysattr_value(dev, "capabilities/ev") == NULL)
-		dev = udev_device_get_parent_with_subsystem_devtype(dev, "input", NULL);
-
-	/* not an "input" class device */
-	if (dev == NULL)
-		return 0;
-
-	/* Use this as a flag that input devices were detected, so that this
-	 * program doesn't need to be called more than once per device */
-	puts("ID_INPUT=1");
-
-	get_cap_mask (dev, "capabilities/ev", bitmask_ev, sizeof (bitmask_ev));
-	get_cap_mask (dev, "capabilities/abs", bitmask_abs, sizeof (bitmask_abs));
-	get_cap_mask (dev, "capabilities/rel", bitmask_rel, sizeof (bitmask_rel));
-	get_cap_mask (dev, "capabilities/key", bitmask_key, sizeof (bitmask_key));
-
-	test_pointers(bitmask_ev, bitmask_abs, bitmask_key, bitmask_rel);
-
-	test_key(udev, bitmask_ev, bitmask_key);
-
-	return 0;
-}