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psaux: Prevent invalid arguments to afm_parser_read_vals().

This commit is contained in:
suzuki toshiya 2009-08-01 00:30:24 +09:00
parent 0d226c31c5
commit d3ed6d1bba
3 changed files with 13 additions and 3 deletions
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10
ChangeLog
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@ -1,3 +1,13 @@
2009-07-31 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
psaux: Prevent invalid arguments to afm_parser_read_vals().
* src/psaux/afmparse.c (afm_parser_read_vals): Change
the type of `n' to prevent negative number how many
arguments should be parsed.
* src/psaux/afmparse.h (afm_parser_read_vals): Ditto.
2009-07-31 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> 2009-07-31 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
base: Prevent some overflows on LP64 systems. base: Prevent some overflows on LP64 systems.

4
src/psaux/afmparse.c
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@ -366,11 +366,11 @@
FT_LOCAL_DEF( FT_Int ) FT_LOCAL_DEF( FT_Int )
afm_parser_read_vals( AFM_Parser parser, afm_parser_read_vals( AFM_Parser parser,
AFM_Value vals, AFM_Value vals,
FT_Int n ) FT_UInt n )
{ {
AFM_Stream stream = parser->stream; AFM_Stream stream = parser->stream;
char* str; char* str;
FT_Int i; FT_UInt i;
if ( n > AFM_MAX_ARGUMENTS ) if ( n > AFM_MAX_ARGUMENTS )

2
src/psaux/afmparse.h
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@ -71,7 +71,7 @@ FT_BEGIN_HEADER
FT_LOCAL( FT_Int ) FT_LOCAL( FT_Int )
afm_parser_read_vals( AFM_Parser parser, afm_parser_read_vals( AFM_Parser parser,
AFM_Value vals, AFM_Value vals,
FT_Int n ); FT_UInt n );
/* read the next key from the next line or column */ /* read the next key from the next line or column */
FT_LOCAL( char* ) FT_LOCAL( char* )