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https://www.gnu.org/licenses/gpl-howto.html recommends that the 'If not, see <url>.' phrase be a separate sentence. * tests/securityselinuxhelper.c: Remove doubled line. * tests/securityselinuxtest.c: Likewise. * globally: s/; If/. If/
149 lines
4.5 KiB
C
149 lines
4.5 KiB
C
/*
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* Copyright (c) 2011 Lai Jiangshan
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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*/
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#include <config.h>
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#include "virkeycode.h"
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#include <string.h>
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#include <stddef.h>
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#define getfield(object, field_type, field_offset) \
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(*(typeof(field_type) *)((char *)(object) + field_offset))
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struct keycode {
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const char *linux_name;
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const char *os_x_name;
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const char *win32_name;
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unsigned short linux_keycode;
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unsigned short os_x;
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unsigned short atset1;
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unsigned short atset2;
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unsigned short atset3;
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unsigned short xt;
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unsigned short xt_kbd;
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unsigned short usb;
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unsigned short win32;
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unsigned short rfb;
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};
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#define VIRT_KEY_INTERNAL
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#include "virkeymaps.h"
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static unsigned int codeOffset[] = {
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[VIR_KEYCODE_SET_LINUX] =
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offsetof(struct keycode, linux_keycode),
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[VIR_KEYCODE_SET_XT] =
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offsetof(struct keycode, xt),
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[VIR_KEYCODE_SET_ATSET1] =
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offsetof(struct keycode, atset1),
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[VIR_KEYCODE_SET_ATSET2] =
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offsetof(struct keycode, atset2),
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[VIR_KEYCODE_SET_ATSET3] =
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offsetof(struct keycode, atset3),
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[VIR_KEYCODE_SET_OSX] =
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offsetof(struct keycode, os_x),
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[VIR_KEYCODE_SET_XT_KBD] =
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offsetof(struct keycode, xt_kbd),
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[VIR_KEYCODE_SET_USB] =
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offsetof(struct keycode, usb),
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[VIR_KEYCODE_SET_WIN32] =
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offsetof(struct keycode, win32),
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[VIR_KEYCODE_SET_RFB] =
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offsetof(struct keycode, rfb),
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};
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verify(ARRAY_CARDINALITY(codeOffset) == VIR_KEYCODE_SET_LAST);
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VIR_ENUM_IMPL(virKeycodeSet, VIR_KEYCODE_SET_LAST,
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"linux",
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"xt",
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"atset1",
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"atset2",
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"atset3",
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"os_x",
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"xt_kbd",
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"usb",
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"win32",
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"rfb",
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);
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static int __virKeycodeValueFromString(unsigned int name_offset,
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unsigned int code_offset,
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const char *keyname)
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{
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int i;
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for (i = 0; i < ARRAY_CARDINALITY(virKeycodes); i++) {
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const char *name = getfield(virKeycodes + i, const char *, name_offset);
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if (name && STREQ(name, keyname))
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return getfield(virKeycodes + i, unsigned short, code_offset);
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}
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return -1;
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}
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int virKeycodeValueFromString(virKeycodeSet codeset, const char *keyname)
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{
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switch (codeset) {
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case VIR_KEYCODE_SET_LINUX:
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return __virKeycodeValueFromString(offsetof(struct keycode, linux_name),
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offsetof(struct keycode, linux_keycode),
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keyname);
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case VIR_KEYCODE_SET_OSX:
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return __virKeycodeValueFromString(offsetof(struct keycode, os_x_name),
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offsetof(struct keycode, os_x),
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keyname);
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case VIR_KEYCODE_SET_WIN32:
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return __virKeycodeValueFromString(offsetof(struct keycode, win32_name),
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offsetof(struct keycode, win32),
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keyname);
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default:
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return -1;
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}
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}
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static int __virKeycodeValueTranslate(unsigned int from_offset,
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unsigned int to_offset,
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int key_value)
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{
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int i;
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for (i = 0; i < ARRAY_CARDINALITY(virKeycodes); i++) {
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if (getfield(virKeycodes + i, unsigned short, from_offset) == key_value)
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return getfield(virKeycodes + i, unsigned short, to_offset);
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}
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return -1;
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}
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int virKeycodeValueTranslate(virKeycodeSet from_codeset,
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virKeycodeSet to_codeset,
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int key_value)
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{
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if (key_value <= 0)
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return -1;
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key_value = __virKeycodeValueTranslate(codeOffset[from_codeset],
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codeOffset[to_codeset],
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key_value);
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if (key_value <= 0)
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return -1;
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return key_value;
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}
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