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mirror of https://sourceware.org/git/glibc.git synced 2025-07-30 22:43:12 +03:00
* crypt/md5-crypt.c (__md5_crypt_r): Clear arrays the key and salt
	string got copied in.
	Patch by Solar Designer <solar@false.com>.

2000-07-05  Andreas Jaeger  <aj@suse.de>

	* manual/install.texi (Installation): Update information about
	add-ons.
	(Configuring and compiling): Update for glibc 2.2.

2000-07-04  Andreas Jaeger  <aj@suse.de>

	* sysdeps/i386/fpu_control.h (_FPU_DEFAULT): Correct value.
	(_FPU_IEEE): Likewise.

	* math/Makefile (tests): Add test-fpucw.

	* math/test-fpucw.c (main): New file.

2000-07-05  Ulrich Drepper  <drepper@redhat.com>
This commit is contained in:
Ulrich Drepper
2000-07-05 22:34:10 +00:00
parent f3e29a1a0f
commit 11b3488225
36 changed files with 386 additions and 276 deletions

View File

@ -60,6 +60,8 @@ __md5_crypt_r (key, salt, buffer, buflen)
size_t key_len;
size_t cnt;
char *cp;
int key_copied = 0;
int salt_copied = 0;
/* Find beginning of salt string. The prefix should normally always
be present. Just in case it is not. */
@ -77,6 +79,7 @@ __md5_crypt_r (key, salt, buffer, buflen)
- (tmp - (char *) 0) % __alignof__ (md5_uint32),
key, key_len);
assert ((key - (char *) 0) % __alignof__ (md5_uint32) == 0);
key_copied = 1;
}
if ((salt - (char *) 0) % __alignof__ (md5_uint32) != 0)
@ -86,6 +89,7 @@ __md5_crypt_r (key, salt, buffer, buflen)
- (tmp - (char *) 0) % __alignof__ (md5_uint32),
salt, salt_len);
assert ((salt - (char *) 0) % __alignof__ (md5_uint32) == 0);
salt_copied = 1;
}
/* Prepare for the real work. */
@ -215,8 +219,16 @@ __md5_crypt_r (key, salt, buffer, buflen)
/* Clear the buffer for the intermediate result so that people
attaching to processes or reading core dumps cannot get any
information. */
memset (alt_result, '\0', sizeof (alt_result));
information. We do it in this way to clear correct_words[]
inside the MD5 implementation as well. */
__md5_init_ctx (&ctx);
__md5_finish_ctx (&ctx, alt_result);
memset (&ctx, '\0', sizeof (ctx));
memset (&alt_ctx, '\0', sizeof (alt_ctx));
if (key_copied)
memset (key, '\0', key_len);
if (salt_copied)
memset (salt, '\0', salt_len);
return buffer;
}