* crypt/Makefile (libcrypt-routines): Add sha256-crypt, sha256,

	sha512-crypt, and sha512.
	(tests): Add sha256test, sha256c-test, sha512test, and sha512c-test.
	(distribute): Add sha256.h and sha512.h.
	* crypt/crypt-entry.c (crypt): Recognize the new $5$ and $6$ prefixes
	and call the appropriate code.
	* crypt/sha256-crypt.c: New file.
	* crypt/sha256.c: New file.
	* crypt/sha256.h: New file.
	* crypt/sha256c-test.c: New file.
	* crypt/sha256test.c: New file.
	* crypt/sha512-crypt.c: New file.
	* crypt/sha512.c: New file.
	* crypt/sha512.h: New file.
	* crypt/sha512c-test.c: New file.
	* crypt/sha512test.c: New file.

	* sysdeps/unix/sysv/linux/sparc/sparc32/clone.S (__thread_start):
	Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/clone.S (__thread_start):
	Likewise.

ChangeLog

@@ -1,3 +1,22 @@
+2007-09-19  Ulrich Drepper  <drepper@redhat.com>
+
+	* crypt/Makefile (libcrypt-routines): Add sha256-crypt, sha256,
+	sha512-crypt, and sha512.
+	(tests): Add sha256test, sha256c-test, sha512test, and sha512c-test.
+	(distribute): Add sha256.h and sha512.h.
+	* crypt/crypt-entry.c (crypt): Recognize the new $5$ and $6$ prefixes
+	and call the appropriate code.
+	* crypt/sha256-crypt.c: New file.
+	* crypt/sha256.c: New file.
+	* crypt/sha256.h: New file.
+	* crypt/sha256c-test.c: New file.
+	* crypt/sha256test.c: New file.
+	* crypt/sha512-crypt.c: New file.
+	* crypt/sha512.c: New file.
+	* crypt/sha512.h: New file.
+	* crypt/sha512c-test.c: New file.
+	* crypt/sha512test.c: New file.
+
 2007-09-19  Jakub Jelinek  <jakub@redhat.com>
 
 	* misc/bits/syslog.h (syslog): Remove extraneous argument from
@@ -11,8 +30,10 @@
 
 	* sysdeps/sparc/sparc32/elf/start.S: Remove cfi_* markup.
 	* sysdeps/sparc/sparc64/elf/start.S: Likewise.
-	* sysdeps/unix/sysv/linux/sparc/sparc32/clone.S (__thread_start): Likewise.
-	* sysdeps/unix/sysv/linux/sparc/sparc64/clone.S (__thread_start): Likewise.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/clone.S (__thread_start):
+	Likewise.
+	* sysdeps/unix/sysv/linux/sparc/sparc64/clone.S (__thread_start):
+	Likewise.
 
 	* sysdeps/generic/ldsodefs.h (DL_LOOKUP_GSCOPE_LOCK): New definition.
 	* elf/dl-runtime.c (_dl_fixup, _dl_profile_fixup): Or in

crypt/Makefile

@@ -1,4 +1,4 @@
-# Copyright (C) 1996, 2000, 2001 Free Software Foundation, Inc.
+# Copyright (C) 1996, 2000, 2001, 2007 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -26,12 +26,13 @@ headers := crypt.h
 extra-libs := libcrypt
 extra-libs-others := $(extra-libs)
 
-libcrypt-routines := crypt-entry md5-crypt md5 crypt crypt_util
+libcrypt-routines := crypt-entry md5-crypt md5 sha256-crypt sha256 \
+		     sha512-crypt sha512 crypt crypt_util
 
-tests := cert md5test md5c-test
+tests := cert md5test md5c-test sha256test sha256c-test sha512test sha512c-test
 
 distribute := ufc-crypt.h crypt-private.h ufc.c speeds.c README.ufc-crypt \
-	      Banner md5.h
+	      Banner md5.h sha256.h sha512.h
 
 include ../Makeconfig
 
@@ -40,6 +41,8 @@ routines += $(libcrypt-routines)
 endif
 
 $(objpfx)md5test: $(objpfx)md5.o
+$(objpfx)sha256test: $(objpfx)sha256.o
+$(objpfx)sha512test: $(objpfx)sha512.o
 
 include ../Rules
 

crypt/crypt-entry.c

@@ -1,7 +1,7 @@
 /*
  * UFC-crypt: ultra fast crypt(3) implementation
  *
- * Copyright (C) 1991, 1992, 1993, 1996, 1997 Free Software Foundation, Inc.
+ * Copyright (C) 1991,1992,1993,1996,1997,2007 Free Software Foundation, Inc.
  *
  * The GNU C Library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -55,13 +55,25 @@ void _ufc_clearmem (char *start, int cnt);
 extern char *__md5_crypt_r (const char *key, const char *salt, char *buffer,
 			    int buflen);
 extern char *__md5_crypt (const char *key, const char *salt);
+extern char *__sha256_crypt_r (const char *key, const char *salt,
+			       char *buffer, int buflen);
+extern char *__sha256_crypt (const char *key, const char *salt);
+extern char *__sha512_crypt_r (const char *key, const char *salt,
+			       char *buffer, int buflen);
+extern char *__sha512_crypt (const char *key, const char *salt);
 #endif
 
 /* Define our magic string to mark salt for MD5 encryption
    replacement.  This is meant to be the same as for other MD5 based
    encryption implementations.  */
 static const char md5_salt_prefix[] = "$1$";
 
+/* Magic string for SHA256 encryption.  */
+static const char sha256_salt_prefix[] = "$5$";
+
+/* Magic string for SHA512 encryption.  */
+static const char sha512_salt_prefix[] = "$6$";
+
 /* For use by the old, non-reentrant routines (crypt/encrypt/setkey)  */
 extern struct crypt_data _ufc_foobar;
 
@@ -84,6 +96,16 @@ __crypt_r (key, salt, data)
   if (strncmp (md5_salt_prefix, salt, sizeof (md5_salt_prefix) - 1) == 0)
     return __md5_crypt_r (key, salt, (char *) data,
 			  sizeof (struct crypt_data));
+
+  /* Try to find out whether we have to use SHA256 encryption replacement.  */
+  if (strncmp (sha256_salt_prefix, salt, sizeof (sha256_salt_prefix) - 1) == 0)
+    return __sha256_crypt_r (key, salt, (char *) data,
+			     sizeof (struct crypt_data));
+
+  /* Try to find out whether we have to use SHA512 encryption replacement.  */
+  if (strncmp (sha512_salt_prefix, salt, sizeof (sha512_salt_prefix) - 1) == 0)
+    return __sha512_crypt_r (key, salt, (char *) data,
+			     sizeof (struct crypt_data));
 #endif
 
   /*
@@ -126,6 +148,14 @@ crypt (key, salt)
   /* Try to find out whether we have to use MD5 encryption replacement.  */
   if (strncmp (md5_salt_prefix, salt, sizeof (md5_salt_prefix) - 1) == 0)
     return __md5_crypt (key, salt);
+
+  /* Try to find out whether we have to use SHA256 encryption replacement.  */
+  if (strncmp (sha256_salt_prefix, salt, sizeof (sha256_salt_prefix) - 1) == 0)
+    return __sha256_crypt (key, salt);
+
+  /* Try to find out whether we have to use SHA512 encryption replacement.  */
+  if (strncmp (sha512_salt_prefix, salt, sizeof (sha512_salt_prefix) - 1) == 0)
+    return __sha512_crypt (key, salt);
 #endif
 
   return __crypt_r (key, salt, &_ufc_foobar);