Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 106 insertions, 0 deletions

diff --git a/sql/des_key_file.cc b/sql/des_key_file.cc
new file mode 100644
index 00000000..bfbe04f6
--- /dev/null
+++ b/sql/des_key_file.cc
@@ -0,0 +1,106 @@
+/* Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  USA */
+
+#include "mariadb.h"          // HAVE_*
+#include "sql_priv.h"
+#include "des_key_file.h"       // st_des_keyschedule, st_des_keyblock
+#include "log.h"                // sql_print_error
+#include <m_ctype.h>
+
+#ifdef HAVE_OPENSSL
+
+struct st_des_keyschedule des_keyschedule[10];
+uint   des_default_key;
+
+#define des_cs	&my_charset_latin1
+
+/**
+  Load DES keys from plaintext file into
+  memory on MySQL server startup and on command FLUSH DES_KEY_FILE.
+
+  @retval
+    0  ok
+  @retval
+    1  Error   
+*/
+
+
+bool
+load_des_key_file(const char *file_name)
+{
+  bool result=1;
+  File file;
+  IO_CACHE io;
+  DBUG_ENTER("load_des_key_file");
+  DBUG_PRINT("enter",("name: %s",file_name));
+
+  mysql_mutex_lock(&LOCK_des_key_file);
+  if ((file= mysql_file_open(key_file_des_key_file, file_name,
+                             O_RDONLY | O_BINARY, MYF(MY_WME))) < 0 ||
+      init_io_cache(&io, file, IO_SIZE*2, READ_CACHE, 0, 0, MYF(MY_WME)))
+    goto error;
+
+  bzero((char*) des_keyschedule,sizeof(struct st_des_keyschedule) * 10);
+  des_default_key=15;				// Impossible key
+  for (;;)
+  {
+    char *start, *end;
+    char buf[1024], offset;
+    st_des_keyblock keyblock;
+    size_t length;
+
+    if (!(length=my_b_gets(&io,buf,sizeof(buf)-1)))
+      break;					// End of file
+    offset=buf[0];
+    if (offset >= '0' && offset <= '9')		// If ok key
+    {
+      offset=(char) (offset - '0');
+      // Remove newline and possible other control characters
+      for (start=buf+1 ; my_isspace(des_cs, *start) ; start++) ;
+      end=buf+length;
+      for  (end=strend(buf) ; 
+            end > start && !my_isgraph(des_cs, end[-1]) ; end--) ;
+
+      if (start != end)
+      {
+	DES_cblock ivec;
+	bzero((char*) &ivec,sizeof(ivec));
+	// We make good 24-byte (168 bit) key from given plaintext key with MD5
+	EVP_BytesToKey(EVP_des_ede3_cbc(),EVP_md5(),NULL,
+		       (uchar *) start, (int) (end-start),1,
+		       (uchar *) &keyblock,
+		       ivec);
+	DES_set_key_unchecked(&keyblock.key1,&(des_keyschedule[(int)offset].ks1));
+	DES_set_key_unchecked(&keyblock.key2,&(des_keyschedule[(int)offset].ks2));
+	DES_set_key_unchecked(&keyblock.key3,&(des_keyschedule[(int)offset].ks3));
+	if (des_default_key == 15)
+	  des_default_key= (uint) offset;		// use first as def.
+      }
+    }
+    else if (offset != '#')
+      sql_print_error("load_des_file:  Found wrong key_number: %c",offset);
+  }
+  result=0;
+
+error:
+  if (file >= 0)
+  {
+    mysql_file_close(file, MYF(0));
+    end_io_cache(&io);
+  }
+  mysql_mutex_unlock(&LOCK_des_key_file);
+  DBUG_RETURN(result);
+}
+#endif /* HAVE_OPENSSL */