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245 lines
7.8 KiB
245 lines
7.8 KiB
/*
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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xrdp: A Remote Desktop Protocol server.
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Copyright (C) Jay Sorg 2006-2010
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keylayout
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maximum unicode 19996(0x4e00)
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*/
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#include "xrdp.h"
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/* map for rdp to x11 scancodes
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code1 is regular scancode, code2 is extended scancode */
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struct codepair
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{
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tui8 code1;
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tui8 code2;
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};
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static struct codepair g_map[] =
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{
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{ 0, 0 }, { 9, 0 }, { 10, 0 }, { 11, 0 }, { 12, 0 }, /* 0 - 4 */
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{ 13, 0 }, { 14, 0 }, { 15, 0 }, { 16, 0 }, { 17, 0 }, /* 5 - 9 */
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{ 18, 0 }, { 19, 0 }, { 20, 0 }, { 21, 0 }, { 22, 0 }, /* 10 - 14 */
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{ 23, 0 }, { 24, 0 }, { 25, 0 }, { 26, 0 }, { 27, 0 }, /* 15 - 19 */
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{ 28, 0 }, { 29, 0 }, { 30, 0 }, { 31, 0 }, { 32, 0 }, /* 20 - 24 */
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{ 33, 0 }, { 34, 0 }, { 35, 0 }, { 36, 108 }, { 37, 109 }, /* 25 - 29 */
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{ 38, 0 }, { 39, 0 }, { 40, 0 }, { 41, 0 }, { 42, 0 }, /* 30 - 34 */
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{ 43, 0 }, { 44, 0 }, { 45, 0 }, { 46, 0 }, { 47, 0 }, /* 35 - 39 */
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{ 48, 0 }, { 49, 0 }, { 50, 0 }, { 51, 0 }, { 52, 0 }, /* 40 - 44 */
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{ 53, 0 }, { 54, 0 }, { 55, 0 }, { 56, 0 }, { 57, 0 }, /* 45 - 49 */
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{ 58, 0 }, { 59, 0 }, { 60, 0 }, { 61, 112 }, { 62, 0 }, /* 50 - 54 */
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{ 63, 111 }, { 64, 113 }, { 65, 0 }, { 66, 0 }, { 67, 0 }, /* 55 - 59 */
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{ 68, 0 }, { 69, 0 }, { 70, 0 }, { 71, 0 }, { 72, 0 }, /* 60 - 64 */
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{ 73, 0 }, { 74, 0 }, { 75, 0 }, { 76, 0 }, { 77, 0 }, /* 65 - 69 */
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{ 78, 0 }, { 79, 97 }, { 80, 98 }, { 81, 99 }, { 82, 0 }, /* 70 - 74 */
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{ 83, 100 }, { 84, 0 }, { 85, 102 }, { 86, 0 }, { 87, 103 }, /* 75 - 79 */
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{ 88, 104 }, { 89, 105 }, { 90, 106 }, { 91, 107 }, { 92, 0 }, /* 80 - 84 */
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{ 93, 0 }, { 94, 0 }, { 95, 0 }, { 96, 0 }, { 97, 0 }, /* 85 - 89 */
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{ 98, 0 }, { 0, 115 }, { 0, 116 }, { 0, 117 }, { 102, 0 }, /* 90 - 94 */
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{ 103, 0 }, { 104, 0 }, { 105, 0 }, { 106, 0 }, { 107, 0 }, /* 95 - 99 */
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{ 108, 0 }, { 109, 0 }, { 110, 0 }, { 111, 0 }, { 112, 0 }, /* 100 - 104 */
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{ 113, 0 }, { 114, 0 }, { 115, 0 }, { 116, 0 }, { 117, 0 }, /* 105 - 109 */
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{ 118, 0 }, { 119, 0 }, { 120, 0 }, { 121, 0 }, { 122, 0 }, /* 110 - 114 */
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{ 123, 0 }, { 124, 0 }, { 125, 0 }, { 126, 0 }, { 127, 0 }, /* 115 - 119 */
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{ 128, 0 }, { 129, 0 }, { 130, 0 }, { 131, 0 }, { 132, 0 }, /* 120 - 124 */
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{ 133, 0 }, { 134, 0 }, { 135, 0 } /* 125 - 127 */
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};
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/*****************************************************************************/
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struct xrdp_key_info* APP_CC
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get_key_info_from_scan_code(int device_flags, int scan_code, int* keys,
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int caps_lock, int num_lock, int scroll_lock,
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struct xrdp_keymap* keymap)
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{
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struct xrdp_key_info* rv;
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int shift;
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int altgr;
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int ext;
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int index;
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ext = device_flags & KBD_FLAG_EXT; /* 0x0100 */
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shift = keys[42] || keys[54];
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altgr = keys[56] & KBD_FLAG_EXT; /* right alt */
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rv = 0;
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scan_code = scan_code & 0x7f;
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index = ext ? g_map[scan_code].code2 : g_map[scan_code].code1;
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/* keymap file is created with numlock off so we have to do this */
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if ((index >= 79) && (index <= 91))
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{
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if (num_lock)
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{
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rv = &(keymap->keys_shift[index]);
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}
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else
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{
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rv = &(keymap->keys_noshift[index]);
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}
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}
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else if (shift && caps_lock)
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{
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rv = &(keymap->keys_shiftcapslock[index]);
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}
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else if (shift)
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{
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rv = &(keymap->keys_shift[index]);
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}
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else if (caps_lock)
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{
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rv = &(keymap->keys_capslock[index]);
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}
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else if (altgr)
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{
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rv = &(keymap->keys_altgr[index]);
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}
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else
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{
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rv = &(keymap->keys_noshift[index]);
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}
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return rv;
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}
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/*****************************************************************************/
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int APP_CC
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get_keysym_from_scan_code(int device_flags, int scan_code, int* keys,
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int caps_lock, int num_lock, int scroll_lock,
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struct xrdp_keymap* keymap)
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{
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struct xrdp_key_info* ki;
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ki = get_key_info_from_scan_code(device_flags, scan_code, keys,
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caps_lock, num_lock, scroll_lock,
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keymap);
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if (ki == 0)
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{
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return 0;
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}
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return ki->sym;
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}
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/*****************************************************************************/
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twchar APP_CC
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get_char_from_scan_code(int device_flags, int scan_code, int* keys,
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int caps_lock, int num_lock, int scroll_lock,
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struct xrdp_keymap* keymap)
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{
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struct xrdp_key_info* ki;
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ki = get_key_info_from_scan_code(device_flags, scan_code, keys,
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caps_lock, num_lock, scroll_lock,
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keymap);
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if (ki == 0)
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{
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return 0;
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}
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return (twchar)(ki->chr);
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}
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/*****************************************************************************/
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static int APP_CC
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km_read_section(int fd, const char* section_name, struct xrdp_key_info* keymap)
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{
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struct list* names;
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struct list* values;
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int index;
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int code;
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int pos1;
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char* name;
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char* value;
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names = list_create();
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names->auto_free = 1;
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values = list_create();
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values->auto_free = 1;
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if (file_read_section(fd, section_name, names, values) == 0)
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{
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for (index = names->count - 1; index >= 0; index--)
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{
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name = (char*)list_get_item(names, index);
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value = (char*)list_get_item(values, index);
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if ((name != 0) && (value != 0))
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{
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if (g_strncasecmp(name, "key", 3) == 0)
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{
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code = g_atoi(name + 3);
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}
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else
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{
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code = g_atoi(name);
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}
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if ((code >= 0) && (code < 128))
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{
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pos1 = g_pos(value, ":");
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if (pos1 >= 0)
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{
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keymap[code].chr = g_atoi(value + pos1 + 1);
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}
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keymap[code].sym = g_atoi(value);
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}
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}
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}
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}
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list_delete(names);
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list_delete(values);
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return 0;
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}
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/*****************************************************************************/
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int APP_CC
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get_keymaps(int keylayout, struct xrdp_keymap* keymap)
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{
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int fd;
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char* filename;
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struct xrdp_keymap* lkeymap;
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filename = (char*)g_malloc(256, 0);
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/* check if there is a keymap file */
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g_snprintf(filename, 255, "%s/km-%4.4x.ini", XRDP_CFG_PATH, keylayout);
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/* if the file does not exist, try again with 'en-us' as fallback */
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if (!g_file_exist(filename))
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{
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g_snprintf(filename, 255, "%s/km-0409.ini", XRDP_CFG_PATH);
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}
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if (g_file_exist(filename))
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{
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fd = g_file_open(filename);
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if (fd > 0)
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{
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lkeymap = (struct xrdp_keymap*)g_malloc(sizeof(struct xrdp_keymap), 0);
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/* make a copy of the build in kaymap */
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g_memcpy(lkeymap, keymap, sizeof(struct xrdp_keymap));
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/* clear the keymaps */
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g_memset(keymap, 0, sizeof(struct xrdp_keymap));
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/* read the keymaps */
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km_read_section(fd, "noshift", keymap->keys_noshift);
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km_read_section(fd, "shift", keymap->keys_shift);
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km_read_section(fd, "altgr", keymap->keys_altgr);
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km_read_section(fd, "capslock", keymap->keys_capslock);
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km_read_section(fd, "shiftcapslock", keymap->keys_shiftcapslock);
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if (g_memcmp(lkeymap, keymap, sizeof(struct xrdp_keymap)) != 0)
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{
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g_writeln("local keymap file for 0x%4.4x found and dosen't match "
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"built in keymap, using local keymap file", keylayout);
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}
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g_free(lkeymap);
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g_file_close(fd);
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}
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}
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g_free(filename);
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return 0;
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}
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