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* src/bdf/bdflib.c (setsbit, sbitset): Handle values >= 128 

gracefully.
(_bdf_set_default_spacing): Increase `name' buffer size to 256 and
issue an error for longer names.
(_bdf_parse_glyphs): Limit allowed number of glyphs in font to the
number of code points in Unicode.
This commit is contained in:
Werner Lemberg 2007-03-28 07:17:17 +00:00
parent 23553d6d2b
commit a08b2176c1
2 changed files with 42 additions and 15 deletions
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34
ChangeLog
View File

@ -1,20 +1,30 @@
2007-03-28 Werner Lemberg <wl@gnu.org>
* src/bdf/bdflib.c (setsbit, sbitset): Handle values >= 128
gracefully.
(_bdf_set_default_spacing): Increase `name' buffer size to 256 and
issue an error for longer names.
(_bdf_parse_glyphs): Limit allowed number of glyphs in font to the
number of code points in Unicode.
2007-03-26 David Turner <david@freetype.org>
* src/truetype/ttinterp.c: last fix for the MD instruction bytecode and
remove the FIX_BYTECODE macros from the sources. Woot, this looks good.
* src/truetype/ttinterp.c: Last fix for the `MD' instruction
bytecode and remove the FIX_BYTECODE macros from the sources.
* src/autofit/aflatin.c (af_latin_metrics_init_blues): fix blues computations
in order to ignore 1-point contours. These are never rasterized and in certain
fonts correspond to mark-attach points that are very far from the glyph's
real outline, ruining the computation.
* src/autofit/aflatin.c (af_latin_metrics_init_blues): Fix blues
computations in order to ignore 1-point contours. These are never
rasterized and correspond in certain fonts mark-attach points that
are very far from the glyph's real outline, ruining the computation.
* src/autofit/afloader.c (af_loader_load_g): in the case of monospaced fonts,
always set "rsb_delta" and "lsb_delta" to 0. Otherwise code that uses them
will most certainly ruin the fixed advance property.
* src/autofit/afloader.c (af_loader_load_g): In the case of
monospaced fonts, always set `rsb_delta' and `lsb_delta' to 0.
Otherwise code that uses them will most certainly ruin the fixed
advance property.
* docs/CHANGES, docs/VERSION, include/freetype/freetype.h,
builds/unix/configure.raw, README, Jamfile: update documentation and bump version
number to 2.3.3
* docs/CHANGES, docs/VERSION, include/freetype/freetype.h,
builds/unix/configure.raw, README, Jamfile: Update documentation and
bump version number to 2.3.3.
2007-03-26 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>

23
src/bdf/bdflib.c
View File

@ -385,8 +385,10 @@
} _bdf_parse_t;
#define setsbit( m, cc ) ( m[(cc) >> 3] |= (FT_Byte)( 1 << ( (cc) & 7 ) ) )
#define sbitset( m, cc ) ( m[(cc) >> 3] & ( 1 << ( (cc) & 7 ) ) )
#define setsbit( m, cc ) \
( m[(FT_Byte)(cc) >> 3] |= (FT_Byte)( 1 << ( (cc) & 7 ) ) )
#define sbitset( m, cc ) \
( m[(FT_Byte)(cc) >> 3] & ( 1 << ( (cc) & 7 ) ) )
static void
@ -1130,7 +1132,7 @@
bdf_options_t* opts )
{
unsigned long len;
char name[128];
char name[256];
_bdf_list_t list;
FT_Memory memory;
FT_Error error = BDF_Err_Ok;
@ -1149,6 +1151,13 @@
font->spacing = opts->font_spacing;
len = (unsigned long)( ft_strlen( font->name ) + 1 );
/* Limit ourselves to 256 characters in the font name. */
if ( len >= 256 )
{
error = BDF_Err_Invalid_Argument;
goto Exit;
}
FT_MEM_COPY( name, font->name, len );
error = _bdf_list_split( &list, (char *)"-", name, len );
@ -1467,6 +1476,14 @@
if ( p->cnt == 0 )
font->glyphs_size = 64;
/* Limit ourselves to 1,114,112 glyphs in the font (this is the */
/* number of code points available in Unicode). */
if ( p->cnt >= 1114112UL )
{
error = BDF_Err_Invalid_Argument;
goto Exit;
}
if ( FT_NEW_ARRAY( font->glyphs, font->glyphs_size ) )
goto Exit;