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IABSD.fr/xenocara/xserver/hw/xfree86/parser/Pointer.c

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  • Author : matthieu
    Date : 2024-11-05 08:13:05
    Hash : 8886fdf6
    Message : Update to xserver 21.1.14. tested by tb@ The xkb security fix was committed earlier. This is the rest of the 21.1.14 update.

  • xserver/hw/xfree86/parser/Pointer.c
  • /*
     *
     * Copyright (c) 1997  Metro Link Incorporated
     *
     * Permission is hereby granted, free of charge, to any person obtaining a
     * copy of this software and associated documentation files (the "Software"),
     * to deal in the Software without restriction, including without limitation
     * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     * and/or sell copies of the Software, and to permit persons to whom the
     * Software is furnished to do so, subject to the following conditions:
     *
     * The above copyright notice and this permission notice shall be included in
     * all copies or substantial portions of the Software.
     *
     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     * THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
     * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
     * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     * SOFTWARE.
     *
     * Except as contained in this notice, the name of the Metro Link shall not be
     * used in advertising or otherwise to promote the sale, use or other dealings
     * in this Software without prior written authorization from Metro Link.
     *
     */
    /*
     * Copyright (c) 1997-2003 by The XFree86 Project, Inc.
     *
     * Permission is hereby granted, free of charge, to any person obtaining a
     * copy of this software and associated documentation files (the "Software"),
     * to deal in the Software without restriction, including without limitation
     * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     * and/or sell copies of the Software, and to permit persons to whom the
     * Software is furnished to do so, subject to the following conditions:
     *
     * The above copyright notice and this permission notice shall be included in
     * all copies or substantial portions of the Software.
     *
     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     * OTHER DEALINGS IN THE SOFTWARE.
     *
     * Except as contained in this notice, the name of the copyright holder(s)
     * and author(s) shall not be used in advertising or otherwise to promote
     * the sale, use or other dealings in this Software without prior written
     * authorization from the copyright holder(s) and author(s).
     */
    
    #ifdef HAVE_XORG_CONFIG_H
    #include <xorg-config.h>
    #endif
    
    #include "xf86Parser.h"
    #include "xf86tokens.h"
    #include "Configint.h"
    #include "Xprintf.h"
    
    
    static const xf86ConfigSymTabRec PointerTab[] = {
        {PROTOCOL, "protocol"},
        {EMULATE3, "emulate3buttons"},
        {EM3TIMEOUT, "emulate3timeout"},
        {ENDSUBSECTION, "endsubsection"},
        {ENDSECTION, "endsection"},
        {PDEVICE, "device"},
        {PDEVICE, "port"},
        {BAUDRATE, "baudrate"},
        {SAMPLERATE, "samplerate"},
        {CLEARDTR, "cleardtr"},
        {CLEARRTS, "clearrts"},
        {CHORDMIDDLE, "chordmiddle"},
        {PRESOLUTION, "resolution"},
        {DEVICE_NAME, "devicename"},
        {ALWAYSCORE, "alwayscore"},
        {PBUTTONS, "buttons"},
        {ZAXISMAPPING, "zaxismapping"},
        {-1, ""},
    };
    
    static const xf86ConfigSymTabRec ZMapTab[] = {
        {XAXIS, "x"},
        {YAXIS, "y"},
        {-1, ""},
    };
    
    #define CLEANUP xf86freeInputList
    
    XF86ConfInputPtr
    xf86parsePointerSection(void)
    {
        char *s;
        unsigned long val1;
        int token;
    
        parsePrologue(XF86ConfInputPtr, XF86ConfInputRec)
    
            while ((token = xf86getToken(PointerTab)) != ENDSECTION) {
            switch (token) {
            case COMMENT:
                ptr->inp_comment = xf86addComment(ptr->inp_comment, xf86_lex_val.str);
                free(xf86_lex_val.str);
                xf86_lex_val.str = NULL;
                break;
            case PROTOCOL:
                if (xf86getSubToken(&(ptr->inp_comment)) != STRING)
                    Error(QUOTE_MSG, "Protocol");
                ptr->inp_option_lst = xf86addNewOption(ptr->inp_option_lst,
                                                       strdup("Protocol"), xf86_lex_val.str);
                break;
            case PDEVICE:
                if (xf86getSubToken(&(ptr->inp_comment)) != STRING)
                    Error(QUOTE_MSG, "Device");
                ptr->inp_option_lst = xf86addNewOption(ptr->inp_option_lst,
                                                       strdup("Device"), xf86_lex_val.str);
                break;
            case EMULATE3:
                ptr->inp_option_lst = xf86addNewOption(ptr->inp_option_lst,
                                                       strdup("Emulate3Buttons"),
                                                       NULL);
                break;
            case EM3TIMEOUT:
                if (xf86getSubToken(&(ptr->inp_comment)) != NUMBER || xf86_lex_val.num < 0)
                    Error(POSITIVE_INT_MSG, "Emulate3Timeout");
                s = xf86uLongToString(xf86_lex_val.num);
                ptr->inp_option_lst = xf86addNewOption(ptr->inp_option_lst,
                                                       strdup("Emulate3Timeout"),
                                                       s);
                break;
            case CHORDMIDDLE:
                ptr->inp_option_lst = xf86addNewOption(ptr->inp_option_lst,
                                                       strdup("ChordMiddle"), NULL);
                break;
            case PBUTTONS:
                if (xf86getSubToken(&(ptr->inp_comment)) != NUMBER || xf86_lex_val.num < 0)
                    Error(POSITIVE_INT_MSG, "Buttons");
                s = xf86uLongToString(xf86_lex_val.num);
                ptr->inp_option_lst = xf86addNewOption(ptr->inp_option_lst,
                                                       strdup("Buttons"), s);
                break;
            case BAUDRATE:
                if (xf86getSubToken(&(ptr->inp_comment)) != NUMBER || xf86_lex_val.num < 0)
                    Error(POSITIVE_INT_MSG, "BaudRate");
                s = xf86uLongToString(xf86_lex_val.num);
                ptr->inp_option_lst = xf86addNewOption(ptr->inp_option_lst,
                                                       strdup("BaudRate"), s);
                break;
            case SAMPLERATE:
                if (xf86getSubToken(&(ptr->inp_comment)) != NUMBER || xf86_lex_val.num < 0)
                    Error(POSITIVE_INT_MSG, "SampleRate");
                s = xf86uLongToString(xf86_lex_val.num);
                ptr->inp_option_lst = xf86addNewOption(ptr->inp_option_lst,
                                                       strdup("SampleRate"), s);
                break;
            case PRESOLUTION:
                if (xf86getSubToken(&(ptr->inp_comment)) != NUMBER || xf86_lex_val.num < 0)
                    Error(POSITIVE_INT_MSG, "Resolution");
                s = xf86uLongToString(xf86_lex_val.num);
                ptr->inp_option_lst = xf86addNewOption(ptr->inp_option_lst,
                                                       strdup("Resolution"), s);
                break;
            case CLEARDTR:
                ptr->inp_option_lst = xf86addNewOption(ptr->inp_option_lst,
                                                       strdup("ClearDTR"), NULL);
                break;
            case CLEARRTS:
                ptr->inp_option_lst = xf86addNewOption(ptr->inp_option_lst,
                                                       strdup("ClearRTS"), NULL);
                break;
            case ZAXISMAPPING:
                switch (xf86getToken(ZMapTab)) {
                case NUMBER:
                    if (xf86_lex_val.num < 0)
                        Error(ZAXISMAPPING_MSG);
                    val1 = xf86_lex_val.num;
                    if (xf86getSubToken(&(ptr->inp_comment)) != NUMBER ||
                        xf86_lex_val.num < 0) {
                        Error(ZAXISMAPPING_MSG);
                    }
                    if (asprintf(&s, "%lu %u", val1, xf86_lex_val.num) == -1)
                        s = NULL;
                    break;
                case XAXIS:
                    s = strdup("x");
                    break;
                case YAXIS:
                    s = strdup("y");
                    break;
                default:
                    Error(ZAXISMAPPING_MSG);
                    break;
                }
                ptr->inp_option_lst = xf86addNewOption(ptr->inp_option_lst,
                                                       strdup("ZAxisMapping"), s);
                break;
            case ALWAYSCORE:
                break;
            case EOF_TOKEN:
                Error(UNEXPECTED_EOF_MSG);
                break;
            default:
                Error(INVALID_KEYWORD_MSG, xf86tokenString());
                break;
            }
        }
    
        ptr->inp_identifier = strdup(CONF_IMPLICIT_POINTER);
        ptr->inp_driver = strdup("mouse");
        ptr->inp_option_lst = xf86addNewOption(ptr->inp_option_lst,
                                               strdup("CorePointer"), NULL);
    
    #ifdef DEBUG
        printf("Pointer section parsed\n");
    #endif
    
        return ptr;
    }
    
    #undef CLEANUP