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ft2demos
CVE-2014-9675.patch
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File CVE-2014-9675.patch of Package ft2demos
From 2c4832d30939b45c05757f0a05128ce64c4cacc7 Mon Sep 17 00:00:00 2001 From: Werner Lemberg <wl@gnu.org> Date: Fri, 07 Nov 2014 06:42:33 +0000 Subject: Fix Savannah bug #43535. * src/bdf/bdflib.c (_bdf_strncmp): New macro that checks one character more than `strncmp'. s/ft_strncmp/_bdf_strncmp/ everywhere. --- Index: freetype-2.5.0.1/src/bdf/bdflib.c =================================================================== --- freetype-2.5.0.1.orig/src/bdf/bdflib.c +++ freetype-2.5.0.1/src/bdf/bdflib.c @@ -169,6 +169,18 @@ sizeof ( _bdf_properties[0] ); + /* An auxiliary macro to parse properties, to be used in conditionals. */ + /* It behaves like `strncmp' but also tests the following character */ + /* whether it is a whitespace or NULL. */ + /* `property' is a constant string of length `n' to compare with. */ +#define _bdf_strncmp( name, property, n ) \ + ( ft_strncmp( name, property, n ) || \ + !( name[n] == ' ' || \ + name[n] == '\0' || \ + name[n] == '\n' || \ + name[n] == '\r' || \ + name[n] == '\t' ) ) + /* Auto correction messages. */ #define ACMSG1 "FONT_ASCENT property missing. " \ "Added `FONT_ASCENT %hd'.\n" @@ -1409,7 +1421,7 @@ /* If the property happens to be a comment, then it doesn't need */ /* to be added to the internal hash table. */ - if ( ft_memcmp( name, "COMMENT", 7 ) != 0 ) + if ( _bdf_strncmp( name, "COMMENT", 7 ) != 0 ) { /* Add the property to the font property table. */ error = hash_insert( fp->name, @@ -1427,13 +1439,13 @@ /* FONT_ASCENT and FONT_DESCENT need to be assigned if they are */ /* present, and the SPACING property should override the default */ /* spacing. */ - if ( ft_memcmp( name, "DEFAULT_CHAR", 12 ) == 0 ) + if ( _bdf_strncmp( name, "DEFAULT_CHAR", 12 ) == 0 ) font->default_char = fp->value.l; - else if ( ft_memcmp( name, "FONT_ASCENT", 11 ) == 0 ) + else if ( _bdf_strncmp( name, "FONT_ASCENT", 11 ) == 0 ) font->font_ascent = fp->value.l; - else if ( ft_memcmp( name, "FONT_DESCENT", 12 ) == 0 ) + else if ( _bdf_strncmp( name, "FONT_DESCENT", 12 ) == 0 ) font->font_descent = fp->value.l; - else if ( ft_memcmp( name, "SPACING", 7 ) == 0 ) + else if ( _bdf_strncmp( name, "SPACING", 7 ) == 0 ) { if ( !fp->value.atom ) { @@ -1491,7 +1503,7 @@ memory = font->memory; /* Check for a comment. */ - if ( ft_memcmp( line, "COMMENT", 7 ) == 0 ) + if ( _bdf_strncmp( line, "COMMENT", 7 ) == 0 ) { linelen -= 7; @@ -1508,7 +1520,7 @@ /* The very first thing expected is the number of glyphs. */ if ( !( p->flags & _BDF_GLYPHS ) ) { - if ( ft_memcmp( line, "CHARS", 5 ) != 0 ) + if ( _bdf_strncmp( line, "CHARS", 5 ) != 0 ) { FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG1, lineno, "CHARS" )); error = FT_THROW( Missing_Chars_Field ); @@ -1542,7 +1554,7 @@ } /* Check for the ENDFONT field. */ - if ( ft_memcmp( line, "ENDFONT", 7 ) == 0 ) + if ( _bdf_strncmp( line, "ENDFONT", 7 ) == 0 ) { if ( p->flags & _BDF_GLYPH_BITS ) { @@ -1564,7 +1576,7 @@ } /* Check for the ENDCHAR field. */ - if ( ft_memcmp( line, "ENDCHAR", 7 ) == 0 ) + if ( _bdf_strncmp( line, "ENDCHAR", 7 ) == 0 ) { p->glyph_enc = 0; p->flags &= ~_BDF_GLYPH_BITS; @@ -1580,7 +1592,7 @@ goto Exit; /* Check for the STARTCHAR field. */ - if ( ft_memcmp( line, "STARTCHAR", 9 ) == 0 ) + if ( _bdf_strncmp( line, "STARTCHAR", 9 ) == 0 ) { /* Set the character name in the parse info first until the */ /* encoding can be checked for an unencoded character. */ @@ -1614,7 +1626,7 @@ } /* Check for the ENCODING field. */ - if ( ft_memcmp( line, "ENCODING", 8 ) == 0 ) + if ( _bdf_strncmp( line, "ENCODING", 8 ) == 0 ) { if ( !( p->flags & _BDF_GLYPH ) ) { @@ -1800,7 +1812,7 @@ } /* Expect the SWIDTH (scalable width) field next. */ - if ( ft_memcmp( line, "SWIDTH", 6 ) == 0 ) + if ( _bdf_strncmp( line, "SWIDTH", 6 ) == 0 ) { if ( !( p->flags & _BDF_ENCODING ) ) goto Missing_Encoding; @@ -1816,7 +1828,7 @@ } /* Expect the DWIDTH (scalable width) field next. */ - if ( ft_memcmp( line, "DWIDTH", 6 ) == 0 ) + if ( _bdf_strncmp( line, "DWIDTH", 6 ) == 0 ) { if ( !( p->flags & _BDF_ENCODING ) ) goto Missing_Encoding; @@ -1844,7 +1856,7 @@ } /* Expect the BBX field next. */ - if ( ft_memcmp( line, "BBX", 3 ) == 0 ) + if ( _bdf_strncmp( line, "BBX", 3 ) == 0 ) { if ( !( p->flags & _BDF_ENCODING ) ) goto Missing_Encoding; @@ -1912,7 +1924,7 @@ } /* And finally, gather up the bitmap. */ - if ( ft_memcmp( line, "BITMAP", 6 ) == 0 ) + if ( _bdf_strncmp( line, "BITMAP", 6 ) == 0 ) { unsigned long bitmap_size; @@ -1987,7 +1999,7 @@ p = (_bdf_parse_t *) client_data; /* Check for the end of the properties. */ - if ( ft_memcmp( line, "ENDPROPERTIES", 13 ) == 0 ) + if ( _bdf_strncmp( line, "ENDPROPERTIES", 13 ) == 0 ) { /* If the FONT_ASCENT or FONT_DESCENT properties have not been */ /* encountered yet, then make sure they are added as properties and */ @@ -2028,12 +2040,12 @@ } /* Ignore the _XFREE86_GLYPH_RANGES properties. */ - if ( ft_memcmp( line, "_XFREE86_GLYPH_RANGES", 21 ) == 0 ) + if ( _bdf_strncmp( line, "_XFREE86_GLYPH_RANGES", 21 ) == 0 ) goto Exit; /* Handle COMMENT fields and properties in a special way to preserve */ /* the spacing. */ - if ( ft_memcmp( line, "COMMENT", 7 ) == 0 ) + if ( _bdf_strncmp( line, "COMMENT", 7 ) == 0 ) { name = value = line; value += 7; @@ -2097,7 +2109,7 @@ /* Check for a comment. This is done to handle those fonts that have */ /* comments before the STARTFONT line for some reason. */ - if ( ft_memcmp( line, "COMMENT", 7 ) == 0 ) + if ( _bdf_strncmp( line, "COMMENT", 7 ) == 0 ) { if ( p->opts->keep_comments != 0 && p->font != 0 ) { @@ -2123,7 +2135,7 @@ { memory = p->memory; - if ( ft_memcmp( line, "STARTFONT", 9 ) != 0 ) + if ( _bdf_strncmp( line, "STARTFONT", 9 ) != 0 ) { /* we don't emit an error message since this code gets */ /* explicitly caught one level higher */ @@ -2171,7 +2183,7 @@ } /* Check for the start of the properties. */ - if ( ft_memcmp( line, "STARTPROPERTIES", 15 ) == 0 ) + if ( _bdf_strncmp( line, "STARTPROPERTIES", 15 ) == 0 ) { if ( !( p->flags & _BDF_FONT_BBX ) ) { @@ -2200,7 +2212,7 @@ } /* Check for the FONTBOUNDINGBOX field. */ - if ( ft_memcmp( line, "FONTBOUNDINGBOX", 15 ) == 0 ) + if ( _bdf_strncmp( line, "FONTBOUNDINGBOX", 15 ) == 0 ) { if ( !( p->flags & _BDF_SIZE ) ) { @@ -2231,7 +2243,7 @@ } /* The next thing to check for is the FONT field. */ - if ( ft_memcmp( line, "FONT", 4 ) == 0 ) + if ( _bdf_strncmp( line, "FONT", 4 ) == 0 ) { error = _bdf_list_split( &p->list, (char *)" +", line, linelen ); if ( error ) @@ -2266,7 +2278,7 @@ } /* Check for the SIZE field. */ - if ( ft_memcmp( line, "SIZE", 4 ) == 0 ) + if ( _bdf_strncmp( line, "SIZE", 4 ) == 0 ) { if ( !( p->flags & _BDF_FONT_NAME ) ) { @@ -2320,7 +2332,7 @@ } /* Check for the CHARS field -- font properties are optional */ - if ( ft_memcmp( line, "CHARS", 5 ) == 0 ) + if ( _bdf_strncmp( line, "CHARS", 5 ) == 0 ) { char nbuf[128];
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