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authorGeremy Condra <gcondra@google.com>2011-12-16 12:43:20 -0800
committerGeremy Condra <gcondra@google.com>2011-12-16 12:43:20 -0800
commit27811904d8de0ce5591417812ca31163bf5aad60 (patch)
treecb03f6111bcf07f311be09b462bbe1d7391a689f /src
parenta56904260208e9306d661349cc2bddfad8f29019 (diff)
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Updated freetype to 2.4.8
This change is to fix a vulnerability in 2.4.7 (CVE-2011-3439). It is taken from http://b/issue?id=5700584. Change-Id: I25a87999bc3ab44d7c7f59e7f04f56895d86bb5d
Diffstat (limited to 'src')
-rw-r--r--src/base/ftbase.h5
-rw-r--r--src/base/ftbitmap.c4
-rw-r--r--src/base/ftrfork.c2
-rw-r--r--src/base/fttype1.c22
-rw-r--r--src/cff/cffdrivr.c6
-rw-r--r--src/truetype/ttinterp.c33
6 files changed, 54 insertions, 18 deletions
diff --git a/src/base/ftbase.h b/src/base/ftbase.h
index 6375613..516f4bb 100644
--- a/src/base/ftbase.h
+++ b/src/base/ftbase.h
@@ -49,7 +49,8 @@ FT_BEGIN_HEADER
FT_Face *aface );
-#ifdef FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK
+#if defined( FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK ) && \
+ ( !defined( FT_MACINTOSH ) || defined( DARWIN_NO_CARBON ) )
/* Mac OS X/Darwin kernel often changes recommended method to access */
/* the resource fork and older methods makes the kernel issue the */
/* warning of deprecated method. To calm it down, the methods based */
@@ -57,7 +58,7 @@ FT_BEGIN_HEADER
/* the case the resource is opened but found to lack a font in it. */
FT_LOCAL( FT_Bool )
raccess_rule_by_darwin_vfs( FT_UInt rule_index );
-#endif /* FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK */
+#endif
FT_END_HEADER
diff --git a/src/base/ftbitmap.c b/src/base/ftbitmap.c
index 5ef7ac7..15c9d65 100644
--- a/src/base/ftbitmap.c
+++ b/src/base/ftbitmap.c
@@ -417,8 +417,8 @@
target->pitch = source->width + pad;
- if ( target->pitch > 0 &&
- target->rows > FT_ULONG_MAX / target->pitch )
+ if ( target->pitch > 0 &&
+ (FT_ULong)target->rows > FT_ULONG_MAX / target->pitch )
return FT_Err_Invalid_Argument;
if ( target->rows * target->pitch > old_size &&
diff --git a/src/base/ftrfork.c b/src/base/ftrfork.c
index 4e7d510..33768b0 100644
--- a/src/base/ftrfork.c
+++ b/src/base/ftrfork.c
@@ -417,6 +417,7 @@
}
+#if !defined( FT_MACINTOSH ) || defined( DARWIN_NO_CARBON )
static FT_RFork_Rule
raccess_get_rule_type_from_rule_index( FT_UInt rule_index )
{
@@ -440,6 +441,7 @@
return FALSE;
}
}
+#endif
static FT_Error
diff --git a/src/base/fttype1.c b/src/base/fttype1.c
index 8f1e102..c30124f 100644
--- a/src/base/fttype1.c
+++ b/src/base/fttype1.c
@@ -4,7 +4,7 @@
/* */
/* FreeType utility file for PS names support (body). */
/* */
-/* Copyright 2002, 2003, 2004 by */
+/* Copyright 2002-2004, 2011 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -90,5 +90,25 @@
return error;
}
+/* documentation is in t1tables.h */
+FT_EXPORT_DEF( FT_Long )
+FT_Get_PS_Font_Value( FT_Face face,
+ PS_Dict_Keys key,
+ FT_UInt idx,
+ void *value,
+ FT_Long value_len )
+{
+ FT_Int result = 0;
+ FT_Service_PsInfo service = NULL;
+
+ if ( face )
+ {
+ FT_FACE_FIND_SERVICE( face, service, POSTSCRIPT_INFO );
+ if ( service && service->ps_get_font_value )
+ result = service->ps_get_font_value( face, key, idx,
+ value, value_len );
+ }
+ return result;
+}
/* END */
diff --git a/src/cff/cffdrivr.c b/src/cff/cffdrivr.c
index 4fd3436..bf2d016 100644
--- a/src/cff/cffdrivr.c
+++ b/src/cff/cffdrivr.c
@@ -4,8 +4,7 @@
/* */
/* OpenType font driver implementation (body). */
/* */
-/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, */
-/* 2010 by */
+/* Copyright 1996-2011 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -365,7 +364,8 @@
(PS_GetFontInfoFunc) cff_ps_get_font_info,
(PS_GetFontExtraFunc) NULL,
(PS_HasGlyphNamesFunc) cff_ps_has_glyph_names,
- (PS_GetFontPrivateFunc)NULL /* unsupported with CFF fonts */
+ (PS_GetFontPrivateFunc)NULL, /* unsupported with CFF fonts */
+ (PS_GetFontValueFunc) NULL /* not implemented */
)
diff --git a/src/truetype/ttinterp.c b/src/truetype/ttinterp.c
index 6c4eed6..c62c589 100644
--- a/src/truetype/ttinterp.c
+++ b/src/truetype/ttinterp.c
@@ -5155,25 +5155,38 @@
D = CUR_Func_project( CUR.zp0.cur + L, CUR.zp1.cur + K );
else
{
- FT_Vector* vec1 = CUR.zp0.orus + L;
- FT_Vector* vec2 = CUR.zp1.orus + K;
+ /* XXX: UNDOCUMENTED: twilight zone special case */
-
- if ( CUR.metrics.x_scale == CUR.metrics.y_scale )
+ if ( CUR.GS.gep0 == 0 || CUR.GS.gep1 == 0 )
{
- /* this should be faster */
+ FT_Vector* vec1 = CUR.zp0.org + L;
+ FT_Vector* vec2 = CUR.zp1.org + K;
+
+
D = CUR_Func_dualproj( vec1, vec2 );
- D = TT_MULFIX( D, CUR.metrics.x_scale );
}
else
{
- FT_Vector vec;
+ FT_Vector* vec1 = CUR.zp0.orus + L;
+ FT_Vector* vec2 = CUR.zp1.orus + K;
+
+
+ if ( CUR.metrics.x_scale == CUR.metrics.y_scale )
+ {
+ /* this should be faster */
+ D = CUR_Func_dualproj( vec1, vec2 );
+ D = TT_MULFIX( D, CUR.metrics.x_scale );
+ }
+ else
+ {
+ FT_Vector vec;
- vec.x = TT_MULFIX( vec1->x - vec2->x, CUR.metrics.x_scale );
- vec.y = TT_MULFIX( vec1->y - vec2->y, CUR.metrics.y_scale );
+ vec.x = TT_MULFIX( vec1->x - vec2->x, CUR.metrics.x_scale );
+ vec.y = TT_MULFIX( vec1->y - vec2->y, CUR.metrics.y_scale );
- D = CUR_fast_dualproj( &vec );
+ D = CUR_fast_dualproj( &vec );
+ }
}
}
}