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* src/type1/t1load.c (read_binary_data): Return more meaningful

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value.
(parse_encoding, parse_subrs, parse_charstrings, parse_dict): Check
parser error value after call to T1_Skip_PS_Token (where necessary).

* src/type1/t1parse.c (T1_Get_Private_Dict): Check parser error
value after call to T1_Skip_PS_Token.

* src/cid/cidparse.c (cid_parser_new): Check parser error value
after call to cid_parser_skip_PS_token.

* src/type42/t42parse.c (t42_parse_encoding, t42_parse_sfnts,
t42_parse_charstrings, t42_parse_dict): Check parser error value
after call to T1_Skip_PS_Token (where necessary).

* src/psaux/psobjc.c (skip_string, ps_parser_skip_PS_token,
ps_tobytes): Add error messages.
This commit is contained in:
Werner Lemberg 2005-02-13 21:42:42 +00:00
parent a33bd861d7
commit 1d565fb01b
6 changed files with 76 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
ChangeLog
View File

@ -1,3 +1,23 @@
2005-02-13 Werner Lemberg <wl@gnu.org>
* src/type1/t1load.c (read_binary_data): Return more meaningful
value.
(parse_encoding, parse_subrs, parse_charstrings, parse_dict): Check
parser error value after call to T1_Skip_PS_Token (where necessary).
* src/type1/t1parse.c (T1_Get_Private_Dict): Check parser error
value after call to T1_Skip_PS_Token.
* src/cid/cidparse.c (cid_parser_new): Check parser error value
after call to cid_parser_skip_PS_token.
* src/type42/t42parse.c (t42_parse_encoding, t42_parse_sfnts,
t42_parse_charstrings, t42_parse_dict): Check parser error value
after call to T1_Skip_PS_Token (where necessary).
* src/psaux/psobjc.c (skip_string, ps_parser_skip_PS_token,
ps_tobytes): Add error messages.
2005-02-12 Werner Lemberg <wl@gnu.org>
* configure: Output more variables to the created Makefile so that

5
src/cid/cidparse.c
View File

@ -4,7 +4,7 @@
/* */
/* CID-keyed Type1 parser (body). */
/* */
/* Copyright 1996-2001, 2002, 2003, 2004 by */
/* Copyright 1996-2001, 2002, 2003, 2004, 2005 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -152,6 +152,9 @@
while ( cur < limit )
{
if ( parser->root.error )
break;
if ( *cur == 'S' && ft_strncmp( (char*)cur, "StartData", 9 ) == 0 )
{
if ( ft_strncmp( (char*)arg1, "(Hex)", 5 ) == 0 )

11
src/psaux/psobjs.c
View File

@ -4,7 +4,7 @@
/* */
/* Auxiliary functions for PostScript fonts (body). */
/* */
/* Copyright 1996-2001, 2002, 2003, 2004 by */
/* Copyright 1996-2001, 2002, 2003, 2004, 2005 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -429,7 +429,10 @@
}
if ( cur < limit && *cur != '>' )
{
FT_ERROR(( "skip_string: missing closing delimiter `>'\n" ));
parser->error = PSaux_Err_Invalid_File_Format;
}
else
cur++;
@ -492,6 +495,8 @@
cur++;
if ( cur >= limit || *cur != '>' ) /* >> */
{
FT_ERROR(( "ps_parser_skip_PS_token: "
"unexpected closing delimiter `>'\n" ));
parser->error = PSaux_Err_Invalid_File_Format;
goto Exit;
}
@ -516,6 +521,8 @@
if ( *cur == ')' )
{
FT_ERROR(( "ps_parser_skip_PS_token: "
"unexpected closing delimiter `)'\n" ));
parser->error = PSaux_Err_Invalid_File_Format;
goto Exit;
}
@ -795,6 +802,7 @@
{
if ( *cur != '<' )
{
FT_ERROR(( "ps_tobytes: Missing starting delimiter `<'\n" ));
error = PSaux_Err_Invalid_File_Format;
goto Exit;
}
@ -834,6 +842,7 @@
{
if ( cur < limit && *cur != '>' )
{
FT_ERROR(( "ps_tobytes: Missing closing delimiter `>'\n" ));
error = PSaux_Err_Invalid_File_Format;
goto Exit;
}

22
src/type1/t1load.c
View File

@ -4,7 +4,7 @@
/* */
/* Type 1 font loader (body). */
/* */
/* Copyright 1996-2001, 2002, 2003, 2004 by */
/* Copyright 1996-2001, 2002, 2003, 2004, 2005 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -1008,7 +1008,7 @@
*base = parser->root.cursor + 1;
parser->root.cursor += *size + 1;
return 1;
return !parser->root.error;
}
FT_ERROR(( "read_binary_data: invalid size field\n" ));
@ -1202,6 +1202,8 @@
parser->root.cursor = cur;
T1_Skip_PS_Token( parser );
if ( parser->root.error )
return;
len = parser->root.cursor - cur;
@ -1277,7 +1279,9 @@
/* position the parser right before the `dup' of the first subr */
T1_Skip_PS_Token( parser ); /* `array' */
T1_Skip_Spaces ( parser );
if ( parser->root.error )
return;
T1_Skip_Spaces( parser );
/* initialize subrs array -- with synthetic fonts it is possible */
/* we get here twice */
@ -1315,6 +1319,8 @@
/* `noaccess' & `put'. We position the parser right */
/* before the next `dup', if any. */
T1_Skip_PS_Token( parser ); /* `NP' or `|' or `noaccess' */
if ( parser->root.error )
return;
T1_Skip_Spaces ( parser );
if ( ft_strncmp( (char*)parser->root.cursor, "put", 3 ) == 0 )
@ -1451,6 +1457,8 @@
}
T1_Skip_PS_Token( parser );
if ( parser->root.error )
return;
if ( *cur == '/' )
{
@ -1723,7 +1731,9 @@
break;
T1_Skip_PS_Token( parser );
T1_Skip_Spaces ( parser );
if ( parser->root.error )
goto Exit;
T1_Skip_Spaces( parser );
cur = parser->root.cursor;
}
@ -1759,6 +1769,8 @@
{
start_binary = cur;
T1_Skip_PS_Token( parser );
if ( parser->root.error )
goto Exit;
have_integer = 1;
}
@ -1801,6 +1813,8 @@
parser->root.cursor = cur;
T1_Skip_PS_Token( parser );
if ( parser->root.error )
goto Exit;
len = parser->root.cursor - cur;

4
src/type1/t1parse.c
View File

@ -4,7 +4,7 @@
/* */
/* Type 1 parser (body). */
/* */
/* Copyright 1996-2001, 2002, 2003, 2004 by */
/* Copyright 1996-2001, 2002, 2003, 2004, 2005 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -337,6 +337,8 @@
goto Found;
T1_Skip_PS_Token( parser );
if ( parser->root.error )
break;
T1_Skip_Spaces ( parser );
cur = parser->root.cursor;
}

23
src/type42/t42parse.c
View File

@ -4,7 +4,7 @@
/* */
/* Type 42 font parser (body). */
/* */
/* Copyright 2002, 2003, 2004 by Roberto Alameda. */
/* Copyright 2002, 2003, 2004, 2005 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 */
@ -412,14 +412,16 @@
parser->root.cursor = cur;
T1_Skip_PS_Token( parser );
if ( parser->root.error )
return;
len = parser->root.cursor - cur;
parser->root.error = T1_Add_Table( char_table, charcode,
cur, len + 1 );
char_table->elements[charcode][len] = '\0';
if ( parser->root.error )
return;
char_table->elements[charcode][len] = '\0';
n++;
}
@ -550,6 +552,8 @@
string_size = T1_ToInt( parser );
T1_Skip_PS_Token( parser ); /* `RD' */
if ( parser->root.error )
return;
string_buf = parser->root.cursor + 1; /* one space after `RD' */
@ -691,6 +695,8 @@
T1_Skip_PS_Token( parser );
if ( parser->root.error )
return;
T1_Skip_Spaces( parser );
cur = parser->root.cursor;
@ -705,6 +711,8 @@
break;
}
T1_Skip_PS_Token( parser );
if ( parser->root.error )
return;
T1_Skip_Spaces( parser );
}
}
@ -767,6 +775,8 @@
break;
T1_Skip_PS_Token( parser );
if ( parser->root.error )
return;
if ( *cur == '/' )
{
@ -1003,6 +1013,8 @@
break;
T1_Skip_PS_Token( parser );
if ( parser->root.error )
goto Exit;
T1_Skip_Spaces ( parser );
cur = parser->root.cursor;
}
@ -1033,6 +1045,8 @@
parser->root.cursor = cur;
T1_Skip_PS_Token( parser );
if ( parser->root.error )
goto Exit;
len = parser->root.cursor - cur;
@ -1069,11 +1083,16 @@
}
}
else
{
T1_Skip_PS_Token( parser );
if ( parser->root.error )
goto Exit;
}
T1_Skip_Spaces( parser );
}
Exit:
return parser->root.error;
}