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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim:expandtab:autoindent:tabstop=4:shiftwidth=4:filetype=c:cindent:textwidth=0:
*
* Copyright (C) 2005 Dell Inc.
* by Michael Brown <Michael_E_Brown@dell.com>
* Licensed under the Open Software License version 2.1
*
* Alternatively, you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation; either version 2 of the License,
* or (at your option) any later version.
* 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.
*/
// compat header should always be first header if including system headers
#include "smbios/compat.h"
#include <string>
#include <iostream>
#include <iomanip>
#include <stdlib.h>
#include <string.h>
#include "smbios/IMemory.h" // only needed if you want to use fake input (memdump.dat)
#include "smbios/ICmosRW.h" // only needed if you want to use fake input (cmos.dat)
#include "smbios/SystemInfo.h" // this is the main header to include to use the C interface
#include "smbios/version.h"
#include "getopts.h"
// always include last if included.
#include "smbios/message.h" // not needed outside of this lib. (mainly for gettext i18n)
using namespace std;
struct options opts[] =
{
{
254, "memory_file", "Debug: Memory dump file to use instead of physical memory", "m", 1
},
{ 253, "cmos_file", "Debug: CMOS dump file to use instead of physical cmos", "c", 1 },
{ 250, "set", "Set Dell Service Tag", "s", 1 },
{ 252, "password", "BIOS setup password", "p", 1 },
{ 249, "rawpassword", "Do not auto-convert password to scancodes", NULL, 0 },
{ 255, "version", "Display libsmbios version information", "v", 0 },
{ 0, NULL, NULL, NULL, 0 }
};
int
main (int argc, char **argv)
{
int retval = 0;
try
{
int c=0;
char *args = 0;
memory::MemoryFactory *memoryFactory = 0;
cmos::CmosRWFactory *cmosFactory = 0;
bool setVal = false;
string password("");
string newTag("");
bool rawPassword=false;
while ( (c=getopts(argc, argv, opts, &args)) != 0 )
{
switch(c)
{
case 254:
// This is for unit testing. You can specify a file that
// contains a dump of memory to use instead of writing
// directly to RAM.
memoryFactory = memory::MemoryFactory::getFactory();
memoryFactory->setParameter("memFile", args);
memoryFactory->setMode( memory::MemoryFactory::UnitTestMode );
break;
case 253:
// ditto, except for CMOS
cmosFactory = cmos::CmosRWFactory::getFactory();
cmosFactory->setParameter("cmosMapFile", args);
cmosFactory->setMode( cmos::CmosRWFactory::UnitTestMode );
break;
case 250:
setVal = 1;
// service tag can be at most 7 chars (plus '\0')
newTag = args;
break;
case 252:
password = args;
break;
case 249:
rawPassword = true;
break;
case 255:
cout << "Libsmbios version: " << LIBSMBIOS_RELEASE_VERSION << endl;
exit(0);
break;
default:
break;
}
free(args);
}
if(setVal && (!rawPassword) && (1 == SMBIOSGetSmiPasswordCoding()) && strlen(password.c_str())>0)
{
cerr << endl;
cerr << "BIOS Password encoding has been detected as SCAN CODE format." << endl;
cerr << "Automatically changing password from ASCII coding to en_US scancode format." << endl;
cerr << "Use the --rawpassword option to disable this, for example, if you have " << endl;
cerr << "another language keyboard, then manually convert the ASCII password to" << endl;
cerr << "scan code format." << endl;
cerr << endl;
char *codedPass = new char[strlen(password.c_str())+1];
memset(codedPass, 0, strlen(password.c_str())+1);
SMBIOSMapAsciiTo_en_US_ScanCode(codedPass, password.c_str(), strlen(password.c_str()));
password = codedPass;
delete []codedPass;
}
const char *oldTag = SMBIOSGetServiceTag();
if(!oldTag)
{
cerr << endl;
const char *str = SMBIOSGetSysInfoErrorString();
if(str)
{
cerr << "An Error occurred. The Error message is: " << endl;
cerr << " " << str << endl;
cerr << endl;
}
cerr << "Could not read tag. Common problems are:" << endl;
cerr << " -- Insufficient permissions to perform operation." << endl;
cerr << " Try running as a more privileged account." << endl;
cerr << " Linux : run as 'root' user" << endl;
cerr << " Windows: run as 'administrator' user" << endl;
cerr << endl;
cerr << " -- dcdbas device driver not loaded." << endl;
cerr << " Try loading the dcdbas driver" << endl;
cerr << " Linux : modprobe dcdbas" << endl;
cerr << " Windows: dcdbas driver not yet available." << endl;
cerr << endl;
retval = 1;
// don't bother trying to set, as it will not work.
setVal = false;
}
else
{
cout << "Existing Service Tag: " << oldTag << endl;
SMBIOSFreeMemory(oldTag);
}
if( setVal)
{
cout << "Changing Service Tag: " << newTag << endl;
int res = SMBIOSSetServiceTag(password.c_str(), newTag.c_str(), strlen(newTag.c_str()));
if(!res)
{
cout << "Change Successful. The changes may not take effect until reboot, depending on system type." << endl;
}
else
{
cerr << endl;
const char *str = SMBIOSGetSysInfoErrorString();
if(str)
{
cerr << "An Error occurred. The Error message is: " << endl;
cerr << " " << str << endl;
cerr << endl;
}
cerr << "Could not set tag. Common problems are:" << endl;
cerr << " -- Some systems do not allow setting of service tag outside of the factory." << endl;
cerr << " All attempts to set Service Tag on these systems will fail." << endl;
cerr << endl;
cerr << " -- Password-protection in the BIOS." << endl;
cerr << " Try using the '--password' option to specify the BIOS setup password." << endl;
cerr << endl;
cerr << " -- Insufficient permissions to perform operation." << endl;
cerr << " Try running as a more privileged account." << endl;
cerr << " Linux : run as 'root' user" << endl;
cerr << " Windows: run as 'administrator' user" << endl;
cerr << endl;
cerr << " -- dcdbas device driver not loaded." << endl;
cerr << " Try loading the dcdbas driver" << endl;
cerr << " Linux : modprobe dcdbas" << endl;
cerr << " Windows: dcdbas driver not yet available." << endl;
retval = 1;
}
}
}
catch( const exception &e )
{
cerr << "An Error occurred. The Error message is: " << endl << e.what() << endl;
retval = 1;
}
catch ( ... )
{
cerr << "An Unknown Error occurred. Aborting." << endl;
retval = 2;
}
return retval;
}
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