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util/

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* secmem.c (init_pool): Avoid assigning a negative value to a
	size_t.
./
	* acinclude.m4: Fix last change.  Make test self-conatined by
	checking for sysconf and getpagesize.  Remove indentation for the
	sake of broken C-89 cpps.
This commit is contained in:
Werner Koch 2007-04-16 15:37:45 +00:00
parent eec94ac312
commit d54ee32837
5 changed files with 60 additions and 44 deletions
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6
ChangeLog
View File

@ -1,3 +1,9 @@
2007-04-16 Werner Koch <wk@g10code.com>
* acinclude.m4: Fix last change. Make test self-conatined by
checking for sysconf and getpagesize. Remove indentation for the
sake of broken C-89 cpp.
2007-04-16 David Shaw <dshaw@jabberwocky.com>
* configure.ac: Add a HAVE_SHM conditional.

2
NEWS
View File

@ -11,7 +11,7 @@ Noteworthy changes in version 1.4.7 (2007-03-05)
plaintext boundary status tags that GnuPG provides. This change
makes GnuPG reject such messages by default which makes those
programs safe again. --allow-multiple-messages returns to the
old behavior.
old behavior. [CVE-2007-1263].
* [W32] The environment variable LANGUAGE may be used to override
the language given by HKCU\Software\GNU\GnuPG:Lang. The

3
acinclude.m4
View File

@ -406,6 +406,7 @@ define(GNUPG_CHECK_MLOCK,
fi
fi
if test "$ac_cv_func_mlock" = "yes"; then
AC_CHECK_FUNCS(sysconf getpagesize)
AC_MSG_CHECKING(whether mlock is broken)
AC_CACHE_VAL(gnupg_cv_have_broken_mlock,
AC_TRY_RUN([
@ -426,6 +427,8 @@ define(GNUPG_CHECK_MLOCK,
pgsize = sysconf(_SC_PAGESIZE);
#elif defined(HAVE_GETPAGESIZE)
pgsize = getpagesize();
#else
pgsize = -1;
#endif
if(pgsize==-1)

5
util/ChangeLog
View File

@ -1,3 +1,8 @@
2007-04-16 Werner Koch <wk@g10code.com>
* secmem.c (init_pool): Avoid assigning a negative value to a
size_t.
2007-04-16 David Shaw <dshaw@jabberwocky.com>
* secmem.c (init_pool): Use sysconf() if available to determine

12
util/secmem.c
View File

@ -219,7 +219,8 @@ lock_pool( void *p, size_t n )
static void
init_pool( size_t n)
{
size_t pgsize=-1;
long int pgsize_val;
size_t pgsize;
poolsize = n;
@ -227,13 +228,14 @@ init_pool( size_t n)
log_bug("secure memory is disabled");
#if defined(HAVE_SYSCONF) && defined(_SC_PAGESIZE)
pgsize = sysconf(_SC_PAGESIZE);
pgsize_val = sysconf (_SC_PAGESIZE);
#elif defined(HAVE_GETPAGESIZE)
pgsize = getpagesize();
pgsize_val = getpagesize ();
#else
pgsize_val = -1;
#endif
pgsize = (pgsize_val != -1 && pgsize_val > 0)? pgsize_val : 4096;
if(pgsize==-1)
pgsize = 4096;
#ifdef HAVE_MMAP
poolsize = (poolsize + pgsize -1 ) & ~(pgsize-1);