791 lines
18 KiB
Plaintext
791 lines
18 KiB
Plaintext
%{
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/*
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* Implementation of the Microsoft Installer (msi.dll)
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*
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* Copyright 2003 Mike McCormack for CodeWeavers
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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#include "msi.h"
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#include "msiquery.h"
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#include "msipriv.h"
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#define YYLEX_PARAM info
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#define YYPARSE_PARAM info
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static int COND_error(const char *str);
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WINE_DEFAULT_DEBUG_CHANNEL(msi);
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typedef struct tag_yyinput
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{
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MSIPACKAGE *package;
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LPCWSTR str;
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INT n;
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MSICONDITION result;
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} COND_input;
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struct cond_str {
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LPCWSTR data;
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INT len;
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};
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static LPWSTR COND_GetString( struct cond_str *str );
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static LPWSTR COND_GetLiteral( struct cond_str *str );
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static int COND_lex( void *COND_lval, COND_input *info);
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typedef INT (*comp_int)(INT a, INT b);
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typedef INT (*comp_str)(LPWSTR a, LPWSTR b, BOOL caseless);
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typedef INT (*comp_m1)(LPWSTR a,int b);
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typedef INT (*comp_m2)(int a,LPWSTR b);
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static INT comp_lt_i(INT a, INT b);
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static INT comp_gt_i(INT a, INT b);
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static INT comp_le_i(INT a, INT b);
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static INT comp_ge_i(INT a, INT b);
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static INT comp_eq_i(INT a, INT b);
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static INT comp_ne_i(INT a, INT b);
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static INT comp_bitand(INT a, INT b);
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static INT comp_highcomp(INT a, INT b);
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static INT comp_lowcomp(INT a, INT b);
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static INT comp_eq_s(LPWSTR a, LPWSTR b, BOOL casless);
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static INT comp_ne_s(LPWSTR a, LPWSTR b, BOOL casless);
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static INT comp_lt_s(LPWSTR a, LPWSTR b, BOOL casless);
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static INT comp_gt_s(LPWSTR a, LPWSTR b, BOOL casless);
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static INT comp_le_s(LPWSTR a, LPWSTR b, BOOL casless);
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static INT comp_ge_s(LPWSTR a, LPWSTR b, BOOL casless);
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static INT comp_substring(LPWSTR a, LPWSTR b, BOOL casless);
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static INT comp_start(LPWSTR a, LPWSTR b, BOOL casless);
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static INT comp_end(LPWSTR a, LPWSTR b, BOOL casless);
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static INT comp_eq_m1(LPWSTR a, INT b);
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static INT comp_ne_m1(LPWSTR a, INT b);
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static INT comp_lt_m1(LPWSTR a, INT b);
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static INT comp_gt_m1(LPWSTR a, INT b);
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static INT comp_le_m1(LPWSTR a, INT b);
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static INT comp_ge_m1(LPWSTR a, INT b);
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static INT comp_eq_m2(INT a, LPWSTR b);
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static INT comp_ne_m2(INT a, LPWSTR b);
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static INT comp_lt_m2(INT a, LPWSTR b);
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static INT comp_gt_m2(INT a, LPWSTR b);
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static INT comp_le_m2(INT a, LPWSTR b);
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static INT comp_ge_m2(INT a, LPWSTR b);
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%}
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%pure-parser
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%union
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{
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struct cond_str str;
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LPWSTR string;
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INT value;
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comp_int fn_comp_int;
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comp_str fn_comp_str;
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comp_m1 fn_comp_m1;
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comp_m2 fn_comp_m2;
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}
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%token COND_SPACE COND_EOF COND_SPACE
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%token COND_OR COND_AND COND_NOT
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%token COND_LT COND_GT COND_EQ
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%token COND_LPAR COND_RPAR COND_TILDA
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%token COND_PERCENT COND_DOLLARS COND_QUESTION COND_AMPER COND_EXCLAM
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%token <str> COND_IDENT <str> COND_NUMBER <str> COND_LITER
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%nonassoc COND_EOF COND_ERROR
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%type <value> expression boolean_term boolean_factor
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%type <value> term value_i symbol_i integer
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%type <string> identifier value_s symbol_s literal
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%type <fn_comp_int> comp_op_i
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%type <fn_comp_str> comp_op_s
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%type <fn_comp_m1> comp_op_m1
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%type <fn_comp_m2> comp_op_m2
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%%
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condition:
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expression
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{
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COND_input* cond = (COND_input*) info;
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cond->result = $1;
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}
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;
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expression:
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boolean_term
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{
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$$ = $1;
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}
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| boolean_term COND_OR expression
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{
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$$ = $1 || $3;
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}
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;
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boolean_term:
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boolean_factor
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{
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$$ = $1;
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}
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| boolean_term COND_AND boolean_factor
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{
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$$ = $1 && $3;
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}
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;
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boolean_factor:
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term
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{
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$$ = $1;
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}
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| COND_NOT term
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{
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$$ = ! $2;
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}
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;
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term:
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value_i
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{
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$$ = $1;
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}
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| value_s
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{
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$$ = ($1 && $1[0]) ? MSICONDITION_TRUE : MSICONDITION_FALSE;
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msi_free( $1 );
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}
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| value_i comp_op_i value_i
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{
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$$ = $2( $1, $3 );
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}
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| value_s comp_op_s value_s
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{
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$$ = $2( $1, $3, FALSE );
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msi_free( $1 );
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msi_free( $3 );
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}
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| value_s COND_TILDA comp_op_s value_s
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{
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$$ = $3( $1, $4, TRUE );
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msi_free( $1 );
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msi_free( $4 );
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}
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| value_s comp_op_m1 value_i
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{
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$$ = $2( $1, $3 );
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msi_free( $1 );
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}
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| value_i comp_op_m2 value_s
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{
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$$ = $2( $1, $3 );
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msi_free( $3 );
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}
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| COND_LPAR expression COND_RPAR
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{
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$$ = $2;
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}
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;
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comp_op_i:
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/* common functions */
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COND_EQ
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{
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$$ = comp_eq_i;
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}
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| COND_LT COND_GT
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{
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$$ = comp_ne_i;
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}
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| COND_LT
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{
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$$ = comp_lt_i;
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}
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| COND_GT
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{
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$$ = comp_gt_i;
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}
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| COND_LT COND_EQ
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{
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$$ = comp_le_i;
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}
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| COND_GT COND_EQ
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{
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$$ = comp_ge_i;
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}
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/*Int only*/
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| COND_GT COND_LT
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{
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$$ = comp_bitand;
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}
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| COND_LT COND_LT
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{
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$$ = comp_highcomp;
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}
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| COND_GT COND_GT
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{
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$$ = comp_lowcomp;
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}
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;
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comp_op_s:
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/* common functions */
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COND_EQ
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{
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$$ = comp_eq_s;
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}
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| COND_LT COND_GT
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{
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$$ = comp_ne_s;
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}
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| COND_LT
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{
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$$ = comp_lt_s;
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}
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| COND_GT
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{
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$$ = comp_gt_s;
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}
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| COND_LT COND_EQ
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{
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$$ = comp_le_s;
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}
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| COND_GT COND_EQ
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{
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$$ = comp_ge_s;
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}
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/*string only*/
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| COND_GT COND_LT
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{
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$$ = comp_substring;
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}
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| COND_LT COND_LT
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{
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$$ = comp_start;
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}
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| COND_GT COND_GT
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{
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$$ = comp_end;
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}
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;
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comp_op_m1:
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/* common functions */
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COND_EQ
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{
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$$ = comp_eq_m1;
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}
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| COND_LT COND_GT
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{
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$$ = comp_ne_m1;
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}
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| COND_LT
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{
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$$ = comp_lt_m1;
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}
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| COND_GT
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{
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$$ = comp_gt_m1;
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}
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| COND_LT COND_EQ
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{
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$$ = comp_le_m1;
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}
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| COND_GT COND_EQ
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{
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$$ = comp_ge_m1;
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}
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/*Not valid for mixed compares*/
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| COND_GT COND_LT
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{
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$$ = 0;
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}
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| COND_LT COND_LT
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{
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$$ = 0;
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}
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| COND_GT COND_GT
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{
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$$ = 0;
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}
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;
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comp_op_m2:
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/* common functions */
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COND_EQ
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{
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$$ = comp_eq_m2;
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}
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| COND_LT COND_GT
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{
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$$ = comp_ne_m2;
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}
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| COND_LT
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{
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$$ = comp_lt_m2;
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}
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| COND_GT
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{
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$$ = comp_gt_m2;
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}
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| COND_LT COND_EQ
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{
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$$ = comp_le_m2;
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}
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| COND_GT COND_EQ
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{
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$$ = comp_ge_m2;
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}
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/*Not valid for mixed compares*/
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| COND_GT COND_LT
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{
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$$ = 0;
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}
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| COND_LT COND_LT
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{
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$$ = 0;
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}
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| COND_GT COND_GT
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{
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$$ = 0;
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}
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;
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value_i:
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symbol_i
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{
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$$ = $1;
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}
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| integer
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{
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$$ = $1;
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}
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;
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value_s:
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symbol_s
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{
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$$ = $1;
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}
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| literal
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{
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$$ = $1;
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}
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;
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literal:
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COND_LITER
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{
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$$ = COND_GetLiteral(&$1);
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if( !$$ )
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YYABORT;
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}
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;
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symbol_i:
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COND_DOLLARS identifier
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{
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COND_input* cond = (COND_input*) info;
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INSTALLSTATE install = INSTALLSTATE_UNKNOWN, action = INSTALLSTATE_UNKNOWN;
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MSI_GetComponentStateW(cond->package, $2, &install, &action );
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$$ = action;
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msi_free( $2 );
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}
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| COND_QUESTION identifier
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{
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COND_input* cond = (COND_input*) info;
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INSTALLSTATE install = INSTALLSTATE_UNKNOWN, action = INSTALLSTATE_UNKNOWN;
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MSI_GetComponentStateW(cond->package, $2, &install, &action );
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$$ = install;
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msi_free( $2 );
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}
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| COND_AMPER identifier
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{
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COND_input* cond = (COND_input*) info;
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INSTALLSTATE install = INSTALLSTATE_UNKNOWN, action = INSTALLSTATE_UNKNOWN;
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MSI_GetFeatureStateW(cond->package, $2, &install, &action );
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$$ = action;
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msi_free( $2 );
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}
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| COND_EXCLAM identifier
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{
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COND_input* cond = (COND_input*) info;
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INSTALLSTATE install = INSTALLSTATE_UNKNOWN, action = INSTALLSTATE_UNKNOWN;
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MSI_GetFeatureStateW(cond->package, $2, &install, &action );
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$$ = install;
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msi_free( $2 );
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}
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;
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symbol_s:
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identifier
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{
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DWORD sz;
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COND_input* cond = (COND_input*) info;
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sz = 0;
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MSI_GetPropertyW(cond->package, $1, NULL, &sz);
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if (sz == 0)
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{
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$$ = msi_alloc( sizeof(WCHAR));
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$$[0] = 0;
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}
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else
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{
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sz ++;
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$$ = msi_alloc( sz*sizeof (WCHAR) );
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/* Lookup the identifier */
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MSI_GetPropertyW(cond->package,$1,$$,&sz);
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}
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msi_free( $1 );
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}
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| COND_PERCENT identifier
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{
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UINT len = GetEnvironmentVariableW( $2, NULL, 0 );
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if( len++ )
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{
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$$ = msi_alloc( len*sizeof (WCHAR) );
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if( $$ )
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GetEnvironmentVariableW( $2, $$, len );
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}
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msi_free( $2 );
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}
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;
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identifier:
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COND_IDENT
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{
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$$ = COND_GetString(&$1);
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if( !$$ )
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YYABORT;
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}
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;
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integer:
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COND_NUMBER
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{
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LPWSTR szNum = COND_GetString(&$1);
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if( !szNum )
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YYABORT;
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$$ = atoiW( szNum );
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msi_free( szNum );
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}
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;
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%%
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static int COND_IsAlpha( WCHAR x )
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{
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return( ( ( x >= 'A' ) && ( x <= 'Z' ) ) ||
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( ( x >= 'a' ) && ( x <= 'z' ) ) ||
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( ( x == '_' ) ) );
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}
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static int COND_IsNumber( WCHAR x )
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{
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return( (( x >= '0' ) && ( x <= '9' )) || (x =='-') || (x =='.') );
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}
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/* the mess of comparison functions */
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static INT comp_lt_i(INT a, INT b)
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{ return (a < b); }
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static INT comp_gt_i(INT a, INT b)
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{ return (a > b); }
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static INT comp_le_i(INT a, INT b)
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{ return (a <= b); }
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static INT comp_ge_i(INT a, INT b)
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{ return (a >= b); }
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static INT comp_eq_i(INT a, INT b)
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{ return (a == b); }
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static INT comp_ne_i(INT a, INT b)
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{ return (a != b); }
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static INT comp_bitand(INT a, INT b)
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{ return a & b;}
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static INT comp_highcomp(INT a, INT b)
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{ return HIWORD(a)==b; }
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static INT comp_lowcomp(INT a, INT b)
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{ return LOWORD(a)==b; }
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static INT comp_eq_s(LPWSTR a, LPWSTR b, BOOL casless)
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{ if (casless) return !strcmpiW(a,b); else return !strcmpW(a,b);}
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static INT comp_ne_s(LPWSTR a, LPWSTR b, BOOL casless)
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{ if (casless) return strcmpiW(a,b); else return strcmpW(a,b);}
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static INT comp_lt_s(LPWSTR a, LPWSTR b, BOOL casless)
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{ if (casless) return strcmpiW(a,b)<0; else return strcmpW(a,b)<0;}
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static INT comp_gt_s(LPWSTR a, LPWSTR b, BOOL casless)
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{ if (casless) return strcmpiW(a,b)>0; else return strcmpW(a,b)>0;}
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static INT comp_le_s(LPWSTR a, LPWSTR b, BOOL casless)
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{ if (casless) return strcmpiW(a,b)<=0; else return strcmpW(a,b)<=0;}
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static INT comp_ge_s(LPWSTR a, LPWSTR b, BOOL casless)
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{ if (casless) return strcmpiW(a,b)>=0; else return strcmpW(a,b)>=0;}
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static INT comp_substring(LPWSTR a, LPWSTR b, BOOL casless)
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/* ERROR NOT WORKING REWRITE */
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{ if (casless) return strstrW(a,b)!=NULL; else return strstrW(a,b)!=NULL;}
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static INT comp_start(LPWSTR a, LPWSTR b, BOOL casless)
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{ if (casless) return strncmpiW(a,b,strlenW(b))==0;
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else return strncmpW(a,b,strlenW(b))==0;}
|
|
static INT comp_end(LPWSTR a, LPWSTR b, BOOL casless)
|
|
{
|
|
int i = strlenW(a);
|
|
int j = strlenW(b);
|
|
if (j>i)
|
|
return 0;
|
|
if (casless) return (!strcmpiW(&a[i-j-1],b));
|
|
else return (!strcmpW(&a[i-j-1],b));
|
|
}
|
|
|
|
|
|
static INT comp_eq_m1(LPWSTR a, INT b)
|
|
{ if (COND_IsNumber(a[0])) return atoiW(a)==b; else return 0;}
|
|
static INT comp_ne_m1(LPWSTR a, INT b)
|
|
{ if (COND_IsNumber(a[0])) return atoiW(a)!=b; else return 1;}
|
|
static INT comp_lt_m1(LPWSTR a, INT b)
|
|
{ if (COND_IsNumber(a[0])) return atoiW(a)<b; else return 0;}
|
|
static INT comp_gt_m1(LPWSTR a, INT b)
|
|
{ if (COND_IsNumber(a[0])) return atoiW(a)>b; else return 0;}
|
|
static INT comp_le_m1(LPWSTR a, INT b)
|
|
{ if (COND_IsNumber(a[0])) return atoiW(a)<=b; else return 0;}
|
|
static INT comp_ge_m1(LPWSTR a, INT b)
|
|
{ if (COND_IsNumber(a[0])) return atoiW(a)>=b; else return 0;}
|
|
|
|
static INT comp_eq_m2(INT a, LPWSTR b)
|
|
{ if (COND_IsNumber(b[0])) return a == atoiW(b); else return 0;}
|
|
static INT comp_ne_m2(INT a, LPWSTR b)
|
|
{ if (COND_IsNumber(b[0])) return a != atoiW(b); else return 1;}
|
|
static INT comp_lt_m2(INT a, LPWSTR b)
|
|
{ if (COND_IsNumber(b[0])) return a < atoiW(b); else return 0;}
|
|
static INT comp_gt_m2(INT a, LPWSTR b)
|
|
{ if (COND_IsNumber(b[0])) return a > atoiW(b); else return 0;}
|
|
static INT comp_le_m2(INT a, LPWSTR b)
|
|
{ if (COND_IsNumber(b[0])) return a <= atoiW(b); else return 0;}
|
|
static INT comp_ge_m2(INT a, LPWSTR b)
|
|
{ if (COND_IsNumber(b[0])) return a >= atoiW(b); else return 0;}
|
|
|
|
|
|
|
|
static int COND_IsIdent( WCHAR x )
|
|
{
|
|
return( COND_IsAlpha( x ) || COND_IsNumber( x ) || ( x == '_' )
|
|
|| ( x == '#' ) || (x == '.') );
|
|
}
|
|
|
|
static int COND_GetOne( struct cond_str *str, COND_input *cond )
|
|
{
|
|
static const WCHAR szNot[] = {'N','O','T',0};
|
|
static const WCHAR szAnd[] = {'A','N','D',0};
|
|
static const WCHAR szOr[] = {'O','R',0};
|
|
WCHAR ch;
|
|
int rc, len = 1;
|
|
|
|
str->data = &cond->str[cond->n];
|
|
|
|
ch = str->data[0];
|
|
switch( ch )
|
|
{
|
|
case 0: return 0;
|
|
case '(': rc = COND_LPAR; break;
|
|
case ')': rc = COND_RPAR; break;
|
|
case '&': rc = COND_AMPER; break;
|
|
case '!': rc = COND_EXCLAM; break;
|
|
case '$': rc = COND_DOLLARS; break;
|
|
case '?': rc = COND_QUESTION; break;
|
|
case '%': rc = COND_PERCENT; break;
|
|
case ' ': rc = COND_SPACE; break;
|
|
case '=': rc = COND_EQ; break;
|
|
case '~': rc = COND_TILDA; break;
|
|
case '<': rc = COND_LT; break;
|
|
case '>': rc = COND_GT; break;
|
|
case '"':
|
|
{
|
|
const WCHAR *ch2 = str->data + 1;
|
|
|
|
|
|
while ( *ch2 && *ch2 != '"' )
|
|
++ch2;
|
|
if (*ch2 == '"')
|
|
{
|
|
len = ch2 - str->data + 1;
|
|
rc = COND_LITER;
|
|
break;
|
|
}
|
|
}
|
|
ERR("Unterminated string\n");
|
|
rc = COND_ERROR;
|
|
break;
|
|
default:
|
|
if( COND_IsAlpha( ch ) )
|
|
{
|
|
while( COND_IsIdent( str->data[len] ) )
|
|
len++;
|
|
rc = COND_IDENT;
|
|
break;
|
|
}
|
|
|
|
if( COND_IsNumber( ch ) )
|
|
{
|
|
while( COND_IsNumber( str->data[len] ) )
|
|
len++;
|
|
rc = COND_NUMBER;
|
|
break;
|
|
}
|
|
|
|
ERR("Got unknown character %c(%x)\n",ch,ch);
|
|
rc = COND_ERROR;
|
|
break;
|
|
}
|
|
|
|
/* keyword identifiers */
|
|
if( rc == COND_IDENT )
|
|
{
|
|
if( (len==3) && (strncmpiW(str->data,szNot,len)==0) )
|
|
rc = COND_NOT;
|
|
else if( (len==3) && (strncmpiW(str->data,szAnd,len)==0) )
|
|
rc = COND_AND;
|
|
else if( (len==2) && (strncmpiW(str->data,szOr,len)==0) )
|
|
rc = COND_OR;
|
|
}
|
|
|
|
cond->n += len;
|
|
str->len = len;
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int COND_lex( void *COND_lval, COND_input *cond )
|
|
{
|
|
int rc;
|
|
struct cond_str *str = COND_lval;
|
|
|
|
do {
|
|
rc = COND_GetOne( str, cond );
|
|
} while (rc == COND_SPACE);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static LPWSTR COND_GetString( struct cond_str *str )
|
|
{
|
|
LPWSTR ret;
|
|
|
|
ret = msi_alloc( (str->len+1) * sizeof (WCHAR) );
|
|
if( ret )
|
|
{
|
|
memcpy( ret, str->data, str->len * sizeof(WCHAR));
|
|
ret[str->len]=0;
|
|
}
|
|
TRACE("Got identifier %s\n",debugstr_w(ret));
|
|
return ret;
|
|
}
|
|
|
|
static LPWSTR COND_GetLiteral( struct cond_str *str )
|
|
{
|
|
LPWSTR ret;
|
|
|
|
ret = msi_alloc( (str->len-1) * sizeof (WCHAR) );
|
|
if( ret )
|
|
{
|
|
memcpy( ret, str->data+1, (str->len-2) * sizeof(WCHAR) );
|
|
ret[str->len - 2]=0;
|
|
}
|
|
TRACE("Got literal %s\n",debugstr_w(ret));
|
|
return ret;
|
|
}
|
|
|
|
static int COND_error(const char *str)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
MSICONDITION MSI_EvaluateConditionW( MSIPACKAGE *package, LPCWSTR szCondition )
|
|
{
|
|
COND_input cond;
|
|
MSICONDITION r;
|
|
|
|
cond.package = package;
|
|
cond.str = szCondition;
|
|
cond.n = 0;
|
|
cond.result = -1;
|
|
|
|
TRACE("Evaluating %s\n",debugstr_w(szCondition));
|
|
|
|
if ( szCondition == NULL || szCondition[0] == 0)
|
|
r = MSICONDITION_NONE;
|
|
else if ( !COND_parse( &cond ) )
|
|
r = cond.result;
|
|
else
|
|
r = MSICONDITION_ERROR;
|
|
|
|
TRACE("Evaluates to %i\n",r);
|
|
return r;
|
|
}
|
|
|
|
MSICONDITION WINAPI MsiEvaluateConditionW( MSIHANDLE hInstall, LPCWSTR szCondition )
|
|
{
|
|
MSIPACKAGE *package;
|
|
UINT ret;
|
|
|
|
package = msihandle2msiinfo( hInstall, MSIHANDLETYPE_PACKAGE);
|
|
if( !package)
|
|
return ERROR_INVALID_HANDLE;
|
|
ret = MSI_EvaluateConditionW( package, szCondition );
|
|
msiobj_release( &package->hdr );
|
|
return ret;
|
|
}
|
|
|
|
MSICONDITION WINAPI MsiEvaluateConditionA( MSIHANDLE hInstall, LPCSTR szCondition )
|
|
{
|
|
LPWSTR szwCond = NULL;
|
|
MSICONDITION r;
|
|
|
|
if( szCondition )
|
|
{
|
|
UINT len = MultiByteToWideChar( CP_ACP, 0, szCondition, -1, NULL, 0 );
|
|
szwCond = msi_alloc( len * sizeof (WCHAR) );
|
|
MultiByteToWideChar( CP_ACP, 0, szCondition, -1, szwCond, len );
|
|
}
|
|
|
|
r = MsiEvaluateConditionW( hInstall, szwCond );
|
|
|
|
msi_free( szwCond );
|
|
|
|
return r;
|
|
}
|