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authorGeoff Keating <geoffk@cygnus.com>2000-03-04 00:47:31 +0000
committerGeoff Keating <geoffk@cygnus.com>2000-03-04 00:47:31 +0000
commitb11f59548803413101b72d28f42cbe997d64a144 (patch)
tree4898a19a9169c9cedd0250e0e7590dbc6058b189 /crypt/crypt-entry.c
parente3d53b06cc8520c23a010909ab2f0bde93f2abfc (diff)
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* Makeconfig (rpath-dirs): Add crypt.
(all-subdirs): Remove md5crypt. 
* crypt/sysdeps/unix/crypt.c: Move to crypt/. 
* crypt/sysdeps/unix/crypt-entry.c: Move to crypt/. 
* sysdeps/generic/crypt-entry.c: Delete. 
* crypt/sysdeps/unix/crypt.h: Move to crypt/. 
* sysdeps/generic/crypt.h: Delete. 
* crypt/sysdeps/unix/crypt-private.h: Move to crypt/. 
* crypt/sysdeps/unix/crypt_util.c: Move to crypt/. 
* crypt/sysdeps/unix/des_impl.c: Move to sunrpc/. 
* sysdeps/generic/des_impl.c: Delete. 
* crypt/sysdeps/unix/ufc-crypt.h: Move to crypt/. 
* crypt/sysdeps: Delete. 
* crypt/crypt_util.c: Don't use `patchlevel.h'. 
* md5-crypt/Versions: Move to crypt/. 
* md5-crypt/md5-crypt.c: Move to crypt/. 
* md5-crypt/md5.c: Move to crypt/. 
* md5-crypt/md5c-test.c: Move to crypt/. 
* md5-crypt/md5test.c: Move to crypt/. 
* md5-crypt: Delete. 
* crypt/Makefile: Adjust for new structure.
2000-03-03  Geoff Keating  <geoffk@cygnus.com>

	* Makeconfig (rpath-dirs): Add crypt.
	(all-subdirs): Remove md5crypt.
	* crypt/sysdeps/unix/crypt.c: Move to crypt/.
	* crypt/sysdeps/unix/crypt-entry.c: Move to crypt/.
	* sysdeps/generic/crypt-entry.c: Delete.
	* crypt/sysdeps/unix/crypt.h: Move to crypt/.
	* sysdeps/generic/crypt.h: Delete.
	* crypt/sysdeps/unix/crypt-private.h: Move to crypt/.
	* crypt/sysdeps/unix/crypt_util.c: Move to crypt/.
	* crypt/sysdeps/unix/des_impl.c: Move to sunrpc/.
	* sysdeps/generic/des_impl.c: Delete.
	* crypt/sysdeps/unix/ufc-crypt.h: Move to crypt/.
	* crypt/sysdeps: Delete.
	* crypt/crypt_util.c: Don't use `patchlevel.h'.
	* md5-crypt/Versions: Move to crypt/.
	* md5-crypt/md5-crypt.c: Move to crypt/.
	* md5-crypt/md5.c: Move to crypt/.
	* md5-crypt/md5c-test.c: Move to crypt/.
	* md5-crypt/md5test.c: Move to crypt/.
	* md5-crypt: Delete.
	* crypt/Makefile: Adjust for new structure.
Diffstat (limited to 'crypt/crypt-entry.c')
-rw-r--r--crypt/crypt-entry.c149
1 files changed, 149 insertions, 0 deletions
diff --git a/crypt/crypt-entry.c b/crypt/crypt-entry.c
new file mode 100644
index 0000000000..9d99c53a2b
--- /dev/null
+++ b/crypt/crypt-entry.c
@@ -0,0 +1,149 @@
+/*
+ * UFC-crypt: ultra fast crypt(3) implementation
+ *
+ * Copyright (C) 1991, 1992, 1993, 1996, 1997 Free Software Foundation, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; see the file COPYING.LIB.  If not,
+ * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * crypt entry points
+ *
+ * @(#)crypt-entry.c	1.2 12/20/96
+ *
+ */
+
+#ifdef DEBUG
+#include <stdio.h>
+#endif
+#include <string.h>
+
+#ifndef STATIC
+#define STATIC static
+#endif
+
+#ifndef DOS
+#include "ufc-crypt.h"
+#else
+/*
+ * Thanks to greg%wind@plains.NoDak.edu (Greg W. Wettstein)
+ * for DOS patches
+ */
+#include "ufc.h"
+#endif
+#include "crypt.h"
+#include "crypt-private.h"
+
+/* Prototypes for local functions.  */
+#if __STDC__ - 0
+#ifndef __GNU_LIBRARY__
+void _ufc_clearmem (char *start, int cnt);
+#else
+#define _ufc_clearmem(start, cnt)   memset(start, 0, cnt)
+#endif
+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);
+#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[] = "$1$";
+
+/* For use by the old, non-reentrant routines (crypt/encrypt/setkey)  */
+extern struct crypt_data _ufc_foobar;
+
+/*
+ * UNIX crypt function
+ */
+
+char *
+__crypt_r (key, salt, data)
+     const char *key;
+     const char *salt;
+     struct crypt_data * __restrict data;
+{
+  ufc_long res[4];
+  char ktab[9];
+  ufc_long xx = 25; /* to cope with GCC long long compiler bugs */
+
+#ifdef _LIBC
+  /* 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_r (key, salt, (char *) data,
+			  sizeof (struct crypt_data));
+#endif
+
+  /*
+   * Hack DES tables according to salt
+   */
+  _ufc_setup_salt_r (salt, data);
+
+  /*
+   * Setup key schedule
+   */
+  _ufc_clearmem (ktab, (int) sizeof (ktab));
+  (void) strncpy (ktab, key, 8);
+  _ufc_mk_keytab_r (ktab, data);
+
+  /*
+   * Go for the 25 DES encryptions
+   */
+  _ufc_clearmem ((char*) res, (int) sizeof (res));
+  _ufc_doit_r (xx,  data, &res[0]);
+
+  /*
+   * Do final permutations
+   */
+  _ufc_dofinalperm_r (res, data);
+
+  /*
+   * And convert back to 6 bit ASCII
+   */
+  _ufc_output_conversion_r (res[0], res[1], salt, data);
+  return data->crypt_3_buf;
+}
+weak_alias (__crypt_r, crypt_r)
+
+char *
+crypt (key, salt)
+     const char *key;
+     const char *salt;
+{
+#ifdef _LIBC
+  /* 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);
+#endif
+
+  return __crypt_r (key, salt, &_ufc_foobar);
+}
+
+
+/*
+ * To make fcrypt users happy.
+ * They don't need to call init_des.
+ */
+#ifdef _LIBC
+weak_alias (crypt, fcrypt)
+#else
+char *
+__fcrypt (key, salt)
+     const char *key;
+     const char *salt;
+{
+  return crypt (key, salt);
+}
+#endif