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[BZ #356]

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Update.
	* locale/loadlocale.c (_nl_intern_locale_data): Recognize LC_CTYPE
	data where _nl_value_type_LC_CTYPE does not contain the type
	information.  Add range checks.
	Reported by John Lumby <johnlumby@hotmail.com> [BZ #356].
This commit is contained in:
Ulrich Drepper 2004-09-26 05:49:15 +00:00
parent 5cec9552a6
commit fe6ce17059
2 changed files with 39 additions and 4 deletions
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5
ChangeLog
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@ -1,5 +1,10 @@
2004-09-25 Ulrich Drepper <drepper@redhat.com>
* locale/loadlocale.c (_nl_intern_locale_data): Recognize LC_CTYPE
data where _nl_value_type_LC_CTYPE does not contain the type
information. Add range checks.
Reported by John Lumby <johnlumby@hotmail.com> [BZ #356].
* libio/vasprintf.c (_IO_vasprintf): Fix condition to decide
whether to realloc or not.
Reported by Pavel Kankovsky <peak@argo.troja.mff.cuni.cz> [BZ #346].

38
locale/loadlocale.c
View File

@ -1,5 +1,5 @@
/* Functions to read locale data files.
Copyright (C) 1996-2001, 2002, 2003 Free Software Foundation, Inc.
Copyright (C) 1996-2001, 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@ -115,15 +115,45 @@ _nl_intern_locale_data (int category, const void *data, size_t datasize)
__set_errno (EINVAL);
return NULL;
}
if (__builtin_expect (_nl_value_types[category][cnt] == word, 0))
/* Determine the type. There is one special case: the LC_CTYPE
category can have more elements than there are in the
_nl_value_type_LC_XYZ array. There are all pointers. */
switch (category)
{
#define CATTEST(cat) \
case LC_##cat: \
assert (cnt < (sizeof (_nl_value_type_LC_##cat) \
/ sizeof (_nl_value_type_LC_##cat[0]))); \
break
CATTEST (NUMERIC);
CATTEST (TIME);
CATTEST (COLLATE);
CATTEST (MONETARY);
CATTEST (MESSAGES);
CATTEST (PAPER);
CATTEST (NAME);
CATTEST (ADDRESS);
CATTEST (TELEPHONE);
CATTEST (MEASUREMENT);
CATTEST (IDENTIFICATION);
default:
assert (category == LC_CTYPE);
break;
}
if ((category == LC_CTYPE
&& cnt >= (sizeof (_nl_value_type_LC_CTYPE)
/ sizeof (_nl_value_type_LC_CTYPE[0])))
|| __builtin_expect (_nl_value_types[category][cnt] != word, 1))
newdata->values[cnt].string = newdata->filedata + idx;
else
{
if (idx % __alignof__ (u_int32_t) != 0)
goto puntdata;
newdata->values[cnt].word =
*((const u_int32_t *) (newdata->filedata + idx));
}
else
newdata->values[cnt].string = newdata->filedata + idx;
}
return newdata;