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/*
* Copyright 2001 - 2007 Intel Corporation. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name Intel Corporation nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* writepol.c
* Command: lcp_writepol.
* This command can write LCP policy into TPM NV Storage.
*/
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include <getopt.h>
#include <trousers/tss.h>
#include <trousers/trousers.h>
#include <safe_lib.h>
#define PRINT printf
#include "../../include/uuid.h"
#include "../../include/lcp.h"
#include "lcptools.h"
#include "lcputils.h"
static uint32_t index_value = 0;
static char *file_arg=NULL;
static uint32_t fLeng;
static unsigned char *policy_data = NULL;
static char *password = NULL;
static uint32_t passwd_length = 0;
static int help_input = 0;
static unsigned char empty_pol_data[] = {0};
static const char *short_option = "ehi:f:p:";
static const char *usage_string = "lcp_writepol -i index_value "
"[-f policy_file] [-e] [-p passwd] [-h]";
static const char *option_strings[] = {
"-i index value: uint32/string.\n"
"\tINDEX_LCP_DEF:0x50000001 or \"default\",\n"
"\tINDEX_LCP_OWN:0x40000001 or \"owner\",\n"
"\tINDEX_AUX:0x50000002 or \"aux\"\n",
"-f file_name: string. File name of the policy data is stored. \n",
"-p password: string. \n",
"-e write 0 length data to the index.\n"
"\tIt will be used for some special index.\n"
"\tFor example, the index with permission WRITEDEFINE.\n",
"-h help. Will print out this help message.\n",
NULL
};
static param_option_t index_option_table[] = {
{"default", INDEX_LCP_DEF},
{"owner", INDEX_LCP_OWN},
{"aux", INDEX_AUX},
{NULL, -1}
};
/*
* function: parse_cmdline
* description: parse the input of commandline
*/
static int
parse_cmdline(int argc, const char * argv[])
{
int c;
while (((c = getopt(argc, (char ** const)argv, short_option)) != -1))
switch (c){
case 'i':
/* check whether user inputs the string for reserved indices */
index_value = parse_input_option(index_option_table, optarg);
/*
* if not, then the users should input the non-0 number,
* 0 is not allowed for index
*/
if ( index_value == (uint32_t)-1 )
if ( strtonum(optarg, &index_value) || (index_value == 0) )
return LCP_E_INVALID_PARAMETER;
break;
case 'f':
file_arg = optarg;
break;
case 'p':
password = optarg;
passwd_length = strnlen_s(password, 4096);
break;
case 'e':
policy_data = empty_pol_data;
fLeng = 0;
break;
case 'h':
help_input = 1;
break;
default:
return LCP_E_NO_SUCH_PARAMETER;
}
if ( optind < argc )
return LCP_E_INVALID_PARAMETER;
return LCP_SUCCESS;
}
int
main (int argc, char *argv[])
{
char *file = NULL;
FILE *p_file = NULL;
lcp_result_t ret_value = LCP_E_COMD_INTERNAL_ERR;
/*
* No parameter input will print out the help message.
*/
if ( argc == 1 ) {
print_help(usage_string, option_strings);
return LCP_SUCCESS;
}
/*
* Parse the parameters input to decide
* what parameters will be passed to TSS API.
*/
ret_value = parse_cmdline(argc, (const char **)argv);
if ( ret_value )
goto exit;
/*
* If user input -h(help), just print guide to
* users and ignore other parameters.
*/
if ( help_input ) {
print_help(usage_string, option_strings);
return LCP_SUCCESS;
}
if ( index_value == 0 ) {
ret_value = LCP_E_NO_INDEXVALUE;
goto exit;
}
if ( file_arg && (policy_data == NULL) )
file = file_arg;
else if ( file_arg && (policy_data == empty_pol_data) ) {
log_error("Cannot use '-f' and '-e' option at the same time!\n");
ret_value = LCP_E_INVALID_PARAMETER;
goto exit;
}
if ( (file_arg == NULL) && (policy_data == NULL) ) {
log_error("Must specify policy file name or use -e option! \n");
ret_value = LCP_E_INVALID_PARAMETER;
goto exit;
}
if ( policy_data == NULL ) {
p_file = fopen(file, "rb");
if ( !p_file ) {
log_error("Open file %s error!\n", file);
ret_value = LCP_E_COMD_INTERNAL_ERR;
goto exit;
}
/*
* Get length of file.
*/
fseek(p_file, 0, SEEK_END);
fLeng = ftell(p_file);
fseek(p_file, 0, SEEK_SET);
policy_data = (unsigned char *)malloc(fLeng);
if ( !policy_data ) {
log_error("Memory alloc error!\n");
ret_value = LCP_E_OUTOFMEMORY;
goto exit;
}
/*
* Read policy data from file.
*/
if ( fLeng != fread(policy_data, 1, fLeng, p_file) ) {
log_error("Read policy data from file error!\n");
ret_value = LCP_E_COMD_INTERNAL_ERR;
goto exit;
}
}
ret_value = lcp_write_index(index_value,
password, passwd_length, 0, fLeng, policy_data);
exit:
if ( ret_value != LCP_SUCCESS ) {
log_error("\nCommand WritePol failed:\n");
print_error(ret_value);
} else {
log_info("\nSuccessfully write policy into index 0x%08x \n",
index_value);
}
if ( (policy_data != NULL) && (policy_data != empty_pol_data) )
free(policy_data);
if ( p_file != NULL )
fclose(p_file);
return ret_value;
}
/*
* Local variables:
* mode: C
* c-set-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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