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freetype2
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Code Issues 4 Releases Wiki Activity

* src/psaux/psobjs.c (ps_parser_skip_PS_token): Remove incorrect 

assertion.
(ps_parser_to_bytes): Fix error message.

* src/type42/t42objs.c (T42_Open_Face): Handle one more error
return.
* src/type42/t42parse.c (t42_parse_sfnts): s/alloc/allocated/.
Don't allow mixed binary and hex strings.
Handle zero string_size == 0 and string_buf == 0.
This commit is contained in:
Werner Lemberg 2007-06-18 17:00:05 +00:00
parent 95104a4d57
commit f9fa1c8b77
4 changed files with 42 additions and 7 deletions
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12
ChangeLog
View File

@ -1,3 +1,15 @@
2006-06-18 Werner Lemberg <wl@gnu.org>
* src/psaux/psobjs.c (ps_parser_skip_PS_token): Remove incorrect
assertion.
(ps_parser_to_bytes): Fix error message.
* src/type42/t42objs.c (T42_Open_Face): Handle one more error
return.
* src/type42/t42parse.c (t42_parse_sfnts): s/alloc/allocated/.
Don't allow mixed binary and hex strings.
Handle zero string_size == 0 and string_buf == 0.
2006-06-18 Werner Lemberg <wl@gnu.org>
* src/psaux/psobjs.c (ps_tofixedarray, ps_tocoordarray): Fix exit

3
src/psaux/psobjs.c
View File

@ -592,7 +592,6 @@
error = PSaux_Err_Invalid_File_Format;
}
FT_ASSERT( parser->error == PSaux_Err_Ok );
parser->error = error;
parser->cursor = cur;
}
@ -1338,7 +1337,7 @@
{
if ( cur < parser->limit && *cur != '>' )
{
FT_ERROR(( "ps_tobytes: Missing closing delimiter `>'\n" ));
FT_ERROR(( "ps_parser_to_bytes: Missing closing delimiter `>'\n" ));
error = PSaux_Err_Invalid_File_Format;
goto Exit;
}

4
src/type42/t42objs.c
View File

@ -4,7 +4,7 @@
/* */
/* Type 42 objects manager (body). */
/* */
/* Copyright 2002, 2003, 2004, 2005, 2006 by Roberto Alameda. */
/* Copyright 2002, 2003, 2004, 2005, 2006, 2007 by Roberto Alameda. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
@ -55,6 +55,8 @@
error = t42_parse_dict( face, &loader,
parser->base_dict, parser->base_len );
if ( error )
goto Exit;
if ( type1->font_type != 42 )
{

30
src/type42/t42parse.c
View File

@ -4,7 +4,7 @@
/* */
/* Type 42 font parser (body). */
/* */
/* Copyright 2002, 2003, 2004, 2005, 2006 by Roberto Alameda. */
/* Copyright 2002, 2003, 2004, 2005, 2006, 2007 by Roberto Alameda. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
@ -490,7 +490,7 @@
FT_Long n, string_size, old_string_size, real_size;
FT_Byte* string_buf = NULL;
FT_Bool alloc = 0;
FT_Bool allocated = 0;
T42_Load_Status status;
@ -545,7 +545,7 @@
if ( FT_REALLOC( string_buf, old_string_size, string_size ) )
goto Fail;
alloc = 1;
allocated = 1;
parser->root.cursor = cur;
(void)T1_ToBytes( parser, string_buf, string_size, &real_size, 1 );
@ -555,6 +555,14 @@
else if ( ft_isdigit( *cur ) )
{
if ( allocated )
{
FT_ERROR(( "t42_parse_sfnts: "
"can't handle mixed binary and hex strings!\n" ));
error = T42_Err_Invalid_File_Format;
goto Fail;
}
string_size = T1_ToInt( parser );
T1_Skip_PS_Token( parser ); /* `RD' */
@ -572,10 +580,24 @@
}
}
if ( !string_buf )
{
FT_ERROR(( "t42_parse_sfnts: invalid data in sfnts array!\n" ));
error = T42_Err_Invalid_File_Format;
goto Fail;
}
/* A string can have a trailing zero byte for padding. Ignore it. */
if ( string_buf[string_size - 1] == 0 && ( string_size % 2 == 1 ) )
string_size--;
if ( !string_size )
{
FT_ERROR(( "t42_parse_sfnts: invalid string!\n" ));
error = T42_Err_Invalid_File_Format;
goto Fail;
}
for ( n = 0; n < string_size; n++ )
{
switch ( status )
@ -654,7 +676,7 @@
parser->root.error = error;
Exit:
if ( alloc )
if ( allocated )
FT_FREE( string_buf );
}