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/** BEGIN COPYRIGHT BLOCK
* 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., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA.
*
* In addition, as a special exception, Red Hat, Inc. gives You the additional
* right to link the code of this Program with code not covered under the GNU
* General Public License ("Non-GPL Code") and to distribute linked combinations
* including the two, subject to the limitations in this paragraph. Non-GPL Code
* permitted under this exception must only link to the code of this Program
* through those well defined interfaces identified in the file named EXCEPTION
* found in the source code files (the "Approved Interfaces"). The files of
* Non-GPL Code may instantiate templates or use macros or inline functions from
* the Approved Interfaces without causing the resulting work to be covered by
* the GNU General Public License. Only Red Hat, Inc. may make changes or
* additions to the list of Approved Interfaces. You must obey the GNU General
* Public License in all respects for all of the Program code and other code used
* in conjunction with the Program except the Non-GPL Code covered by this
* exception. If you modify this file, you may extend this exception to your
* version of the file, but you are not obligated to do so. If you do not wish to
* provide this exception without modification, you must delete this exception
* statement from your version and license this file solely under the GPL without
* exception.
*
*
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <stdarg.h>
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifndef _WIN32
#include <sys/param.h> /* MAXPATHLEN */
#endif
#include "../plugins/rever/rever.h"
#include "getopt_ext.h"
static void usage(char *name)
{
fprintf(stderr, "usage: %s -o OldInstancePath -n NewInstancePath -c OldCredential [-p NewPluginPath]\n", name);
fprintf(stderr, "New plugin path defaults to [%s] if not given\n", PLUGINDIR);
exit(1);
}
#ifdef _WIN32
/* converts '\' chars to '/' */
static void dostounixpath(char *szText)
{
if(szText)
{
while(*szText)
{
if( *szText == '\\' )
*szText = '/';
szText++;
}
}
}
#endif
/* Script used during migration: replication and
chaining backend credentials must be converted.
Assumption: the built-in des-plugin.so lib has been used
in the old version and is used in the new version
Usage: migrateCred
-o <old instance path>
-n <new instance path>
-c <old credential, with prefix>
Return new credential with prefix
*/
int
main( int argc, char **argv)
{
char *cmd = argv[0];
char *oldpath = NULL;
char *newpath = NULL;
char *pluginpath = NULL;
char *prefixCred = NULL;
char *cred = NULL;
char *newcred = NULL;
migrate_fn_type fct = NULL;
char libpath[MAXPATHLEN];
char *shared_lib;
char *opts = "o:n:c:p:";
int i;
while (( i = getopt( argc, argv, opts )) != EOF )
{
switch (i)
{
case 'o':
oldpath = strdup(optarg);
#ifdef _WIN32
dostounixpath(oldpath);
#endif /* _WIN32 */
break;
case 'n':
newpath = strdup(optarg);
#ifdef _WIN32
dostounixpath(newpath);
#endif /* _WIN32 */
break;
case 'c':
{
char *end = NULL;
int namelen;
/* cred has the prefix, remove it before decoding */
prefixCred = strdup(optarg);
if ((*prefixCred == PWD_HASH_PREFIX_START) &&
((end = strchr(prefixCred, PWD_HASH_PREFIX_END)) != NULL) &&
((namelen = end - prefixCred - 1 ) <= (3*PWD_MAX_NAME_LEN)) )
{
cred = prefixCred + namelen + 2;
}
else
{
fprintf(stderr, "Invalid -c argument: %s (wrong prefix?).\n", prefixCred);
}
}
break;
case 'p':
pluginpath = strdup(optarg);
#ifdef _WIN32
dostounixpath(pluginpath);
#endif /* _WIN32 */
break;
default:
usage(cmd);
}
}
if ( !oldpath || !newpath || !cred )
{
usage(cmd);
}
#if defined( XP_WIN32 )
shared_lib = ".dll";
#else
#ifdef HPUX
#ifdef __ia64
shared_lib = ".so";
#else
shared_lib = ".sl";
#endif
#else
#ifdef AIX
#if OSVERSION >= 4200
shared_lib = ".so";
#else
shared_lib = "_shr.a";
#endif
#else
shared_lib = ".so";
#endif
#endif
#endif
if (!pluginpath) {
pluginpath = strdup(PLUGINDIR);
#ifdef _WIN32
dostounixpath(pluginpath);
#endif /* _WIN32 */
}
if (access(pluginpath, R_OK)) {
snprintf(libpath, sizeof(libpath), "%s/../lib/des-plugin%s", newpath, shared_lib);
libpath[sizeof(libpath)-1] = 0;
} else {
snprintf(libpath, sizeof(libpath), "%s/libdes-plugin%s", pluginpath, shared_lib);
libpath[sizeof(libpath)-1] = 0;
}
fct = (migrate_fn_type)sym_load(libpath, "migrateCredentials",
"DES Plugin", 1 /* report errors */ );
if ( fct == NULL )
{
usage(cmd);
return(1);
}
newcred = (fct)(oldpath, newpath, cred);
fprintf(stdout, "%s", newcred);
return(0);
}
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