Author: delphij
Date: Tue Oct 21 21:09:54 2014
New Revision: 273425
URL: https://svnweb.freebsd.org/changeset/base/273425
Log:
MFC r272830 (des):
Change the hardcoded default back from SHA512 to DES.
This will become EN-14:11.crypt.
PR: 192277
Modified:
stable/9/lib/libcrypt/crypt.c
Directory Properties:
stable/9/lib/libcrypt/ (props changed)
Modified: stable/9/lib/libcrypt/crypt.c
==============================================================================
--- stable/9/lib/libcrypt/crypt.c Tue Oct 21 21:08:45 2014
(r273424)
+++ stable/9/lib/libcrypt/crypt.c Tue Oct 21 21:09:54 2014
(r273425)
@@ -37,24 +37,26 @@ __FBSDID("$FreeBSD$");
#include "crypt.h"
/*
- * List of supported crypt(3) formats. The first element in the list will
- * be the default.
+ * List of supported crypt(3) formats.
+ *
+ * The default algorithm is the last entry in the list (second-to-last
+ * array element since the last is a sentinel). The reason for placing
+ * the default last rather than first is that DES needs to be at the
+ * bottom for the algorithm guessing logic in crypt(3) to work correctly,
+ * and it needs to be the default for backward compatibility.
*/
static const struct crypt_format {
const char *const name;
char *(*const func)(const char *, const char *);
const char *const magic;
} crypt_formats[] = {
- /* default format */
- { "sha512", crypt_sha512, "$6$" },
-
- /* other supported formats */
{ "md5", crypt_md5, "$1$" },
#ifdef HAS_BLOWFISH
{ "blf", crypt_blowfish, "$2" },
#endif
{ "nth", crypt_nthash, "$3$" },
{ "sha256", crypt_sha256, "$5$" },
+ { "sha512", crypt_sha512, "$6$" },
#ifdef HAS_DES
{ "des", crypt_des, "_" },
#endif
@@ -63,7 +65,8 @@ static const struct crypt_format {
{ NULL, NULL, NULL }
};
-static const struct crypt_format *crypt_format = &crypt_formats[0];
+static const struct crypt_format *crypt_format =
+ &crypt_formats[(sizeof crypt_formats / sizeof *crypt_formats) - 2];
#define DES_SALT_ALPHABET \
"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
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