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/*
* Copyright (c) 2003,2004 by FORCE Computers
*
* Note that this file is based on parts of OpenIPMI
* written by Corey Minyard <minyard@mvista.com>
* of MontaVista Software. Corey's code was helpful
* and many thanks go to him. He gave the permission
* to use this code in OpenHPI under BSD 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. This
* file and program are licensed under a BSD style license. See
* the Copying file included with the OpenHPI distribution for
* full licensing terms.
*
* Authors:
* Thomas Kanngieser <thomas.kanngieser@fci.com>
*/
#ifndef dIpmiAuth_h
#define dIpmiAuth_h
#include "config.h"
/* Data is provided to the authorization code as an array of these items, a
"scatter-gather" list. The algorithm will go through the item in the
array until "data" is NULL. */
class cIpmiAuthSg
{
public:
void *data; /* NULL to terminate. */
int len;
};
class cIpmiAuth
{
public:
virtual ~cIpmiAuth() {};
/* Initialize the authorization engine and return a handle for it.
You must pass this handle into the other authorization
calls. Return 0 on success or an errno on failure. */
virtual int Init( const unsigned char *password ) = 0;
/* Generate a 16-byte authorization code and put it into
"output". Returns 0 on success and an errno on failure. */
virtual int Gen( cIpmiAuthSg data[], void *output ) = 0;
/* Check that the 16-byte authorization code given in "code" is valid.
This will return 0 if it is valid or EINVAL if not. */
virtual int Check( cIpmiAuthSg data[], void *code ) = 0;
};
// maximum number of charaters for username
#define dIpmiUsernameMax 16
#define dIpmiPasswordMax 16
// Standard IPMI authentication algorithms.
enum tIpmiAuthType
{
eIpmiAuthTypeNone = 0,
eIpmiAuthTypeMd2 = 1,
eIpmiAuthTypeMd5 = 2,
eIpmiAuthTypeStraight = 4,
eIpmiAuthTypeOem = 5,
};
cIpmiAuth *IpmiAuthFactory( tIpmiAuthType type );
// This is a table of authentication algorithms.
#define dMaxIpmiAuths 6
// IPMI privilege levels
enum tIpmiPrivilege
{
eIpmiPrivilegeNone = 0,
eIpmiPrivilegeCallback = 1,
eIpmiPrivilegeUser = 2,
eIpmiPrivilegeOperator = 3,
eIpmiPrivilegeAdmin = 4,
eIpmiPrivilegeOem = 5
};
// Tell if a specific command is permitted for the given priviledge
// level. Returns one of the following.
enum tIpmiPriv
{
eIpmiPrivInvalid = -1,
eIpmiPrivDenied = 0,
eIpmiPrivPermitted = 1,
eIpmiPrivSend = 2, // Special send message handling needed.
eIpmiPrivBoot = 3, // Special set system boot options handling.
};
class cIpmiAuthNone : public cIpmiAuth
{
unsigned char data[16];
public:
virtual int Init( const unsigned char *password );
virtual int Gen( cIpmiAuthSg data[], void *output );
virtual int Check( cIpmiAuthSg data[], void *code );
};
#ifdef HAVE_OPENSSL_MD2_H
class cIpmiAuthMd2 : public cIpmiAuth
{
unsigned char data[16];
public:
virtual int Init( const unsigned char *password );
virtual int Gen( cIpmiAuthSg data[], void *output );
virtual int Check( cIpmiAuthSg data[], void *code );
};
#endif
#ifdef HAVE_OPENSSL_MD5_H
class cIpmiAuthMd5 : public cIpmiAuth
{
unsigned char data[16];
public:
virtual int Init( const unsigned char *password );
virtual int Gen( cIpmiAuthSg data[], void *output );
virtual int Check( cIpmiAuthSg data[], void *code );
};
#endif
class cIpmiAuthStraight : public cIpmiAuth
{
unsigned char data[16];
public:
virtual int Init( const unsigned char *password );
virtual int Gen( cIpmiAuthSg data[], void *output );
virtual int Check( cIpmiAuthSg data[], void *code );
};
#endif
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