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/*
* The Initial Developer of the Original Code is International
* Business Machines Corporation. Portions created by IBM
* Corporation are Copyright (C) 2005 International Business
* Machines Corporation. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the Common Public License as published by
* IBM Corporation; either version 1 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
* Common Public License for more details.
*
* You should have received a copy of the Common Public License
* along with this program; if not, a copy can be viewed at
* http://www.opensource.org/licenses/cpl1.0.php.
*/
#include "config.h"
#include <unistd.h>
#include <stdlib.h>
#include <trousers/tss.h>
#include <trousers/trousers.h>
#include "tpm_tspi.h"
#include "tpm_utils.h"
BOOL useUnicode = FALSE;
static const struct option sGenLongOpts[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'v' },
{ "log", required_argument, NULL, 'l' },
{ "unicode", no_argument, NULL, 'u' },
};
static const char *pszGenShortOpts = "hvl:u";
void initIntlSys( ) {
setlocale( LC_ALL, "" );
bindtextdomain( PACKAGE, LOCALEDIR );
textdomain( PACKAGE );
}
int
genericOptHandler( int a_iNumArgs, char **a_pszArgs,
const char *a_pszShortOpts,
struct option *a_sLongOpts, int a_iNumOpts,
CmdOptParser a_tCmdOptParser, CmdHelpFunction a_tCmdHelpFunction ) {
CmdHelpFunction tCmdHelp = ( a_tCmdHelpFunction ) ? a_tCmdHelpFunction
: logCmdHelp;
char szShortOpts[strlen( pszGenShortOpts )
+ ( ( a_pszShortOpts == NULL ) ? 0 : strlen( a_pszShortOpts ) )
+ 1];
int iNumGenLongOpts = sizeof( sGenLongOpts ) / sizeof( struct option );
struct option sLongOpts[iNumGenLongOpts + a_iNumOpts + 1];
int iOpt;
int rc;
strcpy( szShortOpts, pszGenShortOpts);
if ( a_pszShortOpts )
strcat( szShortOpts, a_pszShortOpts );
__memset( sLongOpts, 0, sizeof( sLongOpts ) );
memcpy( sLongOpts, sGenLongOpts, sizeof( sGenLongOpts ) );
if ( a_sLongOpts ) {
memcpy( sLongOpts + iNumGenLongOpts,
a_sLongOpts,
a_iNumOpts * sizeof( struct option ) );
}
while ( ( iOpt = getopt_long( a_iNumArgs, a_pszArgs,
szShortOpts, sLongOpts, NULL ) ) != -1 ) {
switch ( iOpt ) {
case 'h':
tCmdHelp( a_pszArgs[0] );
return -1;
case 'v':
logMsg( _("%s version: %s\n"), a_pszArgs[0], CMD_VERSION );
return -1;
case 'l':
if ( !optarg ) {
tCmdHelp( a_pszArgs[0] );
return -1;
}
if ( strcmp( optarg, LOG_NONE ) == 0 )
iLogLevel = LOG_LEVEL_NONE;
else if ( strcmp( optarg, LOG_ERROR ) == 0 )
iLogLevel = LOG_LEVEL_ERROR;
else if ( strcmp( optarg, LOG_INFO ) == 0 )
iLogLevel = LOG_LEVEL_INFO;
else if ( strcmp( optarg, LOG_DEBUG ) == 0 )
iLogLevel = LOG_LEVEL_DEBUG;
else {
logMsg( _("Valid log levels are: %s, %s, %s, %s\n"),
LOG_NONE,
LOG_ERROR,
LOG_INFO,
LOG_DEBUG );
tCmdHelp( a_pszArgs[0] );
return -1;
}
break;
case 'u':
useUnicode = TRUE;
break;
case '?':
tCmdHelp( a_pszArgs[0] );
return -1;
default:
if ( !a_tCmdOptParser )
return -1;
rc = a_tCmdOptParser( iOpt, optarg );
if ( rc != 0 )
return rc;
break;
}
}
return 0;
}
void * __no_optimize
__memset(void *s, int c, size_t n)
{
return memset(s, c, n);
}
/*
* This function should be called when you are done with a password
* the above getPasswd function to properly clean up.
*/
void shredPasswd( char *a_pszPasswd ) {
if ( a_pszPasswd ) {
__memset( a_pszPasswd, 0, strlen( a_pszPasswd ) );
free( a_pszPasswd );
}
}
/*
* You must free the memory passed back to you when you are finished.
* Loop will always terminate by the second pass.
* Safest use of getpass is to zero the memory as soon as possible.
*/
char *getPlainPasswd(const char *a_pszPrompt, BOOL a_bConfirm) {
int len;
return _getPasswd(a_pszPrompt, &len, a_bConfirm, FALSE);
}
#ifndef TSS_LIB_IS_12
char *getPasswd(const char *a_pszPrompt, int* a_iLen,
BOOL a_bConfirm) {
return _getPasswd( a_pszPrompt, a_iLen, a_bConfirm, useUnicode);
}
#endif
char *_getPasswd(const char *a_pszPrompt, int* a_iLen,
BOOL a_bConfirm, BOOL a_bUseUnicode) {
char *pszPrompt = (char *)a_pszPrompt;
char *pszPasswd = NULL;
char *pszRetPasswd = NULL;
do {
// Get password value from user - this is a static buffer
// and should never be freed
pszPasswd = getpass( pszPrompt );
if (!pszPasswd && pszRetPasswd) {
shredPasswd( pszRetPasswd );
return NULL;
}
// If this is confirmation pass check for match
if ( pszRetPasswd ) {
// Matched work complete
if ( strcmp( pszPasswd, pszRetPasswd ) == 0)
goto out;
// No match clean-up
logMsg( _("Passwords didn't match\n") );
// pszPasswd will be cleaned up at out label
shredPasswd( pszRetPasswd );
pszRetPasswd = NULL;
goto out;
}
// Save this passwd for next pass and/or return val
pszRetPasswd = strdup( pszPasswd );
if ( !pszRetPasswd )
goto out;
pszPrompt = _("Confirm password: ");
} while (a_bConfirm);
out:
if (pszRetPasswd) {
*a_iLen = strlen(pszRetPasswd);
if (a_bUseUnicode) {
shredPasswd(pszRetPasswd);
pszRetPasswd = (char *)Trspi_Native_To_UNICODE((BYTE *)pszPasswd, (unsigned int *)a_iLen);
}
}
// pszPasswd is a static buffer, just clear it
if ( pszPasswd )
__memset( pszPasswd, 0, strlen( pszPasswd ) );
return pszRetPasswd;
}
/*
* You must free the memory passed back to you when you are finished.
*/
char *getReply( const char *a_pszPrompt, int a_iMaxLen ) {
char *pszReply = NULL;
int iReplyLen = a_iMaxLen + 2; // Room for newline and trailing zero
if ( iReplyLen <= 0 )
goto out;
pszReply = (char *)calloc( iReplyLen, 1 );
if ( !pszReply )
goto out;
logMsg( "%s", a_pszPrompt );
pszReply = fgets( pszReply, iReplyLen, stdin );
if ( !pszReply )
goto out;
// Be certain that a complete line was read
if ( ( pszReply[ a_iMaxLen ] != '\n' ) && ( pszReply[ a_iMaxLen ] != '\0' ) ) {
free( pszReply );
pszReply = NULL;
goto out;
}
for ( iReplyLen -= 1; iReplyLen >= 0; iReplyLen-- ) {
if ( pszReply[ iReplyLen ] == '\0' )
continue;
if ( pszReply[ iReplyLen ] == '\n' )
pszReply[ iReplyLen ] = '\0';
break;
}
out:
return pszReply;
}