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/*
* polelt.c:
*
* Copyright (c) 2014, 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 of the 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.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include <safe_lib.h>
#define PRINT printf
#include "../include/config.h"
#include "../include/hash.h"
#include "../include/uuid.h"
#include "../include/lcp3.h"
#include "polelt_plugin.h"
#include "lcputils.h"
#define POLELT_MAX_PLUGINS 32
unsigned int nr_polelt_plugins;
polelt_plugin_t *polelt_plugins[POLELT_MAX_PLUGINS];
polelt_plugin_t *find_polelt_plugin_by_type(uint32_t type)
{
for ( unsigned int i = 0; i < nr_polelt_plugins; i++ ) {
if ( type == polelt_plugins[i]->type )
return polelt_plugins[i];
}
return NULL;
}
polelt_plugin_t *find_polelt_plugin_by_type_string(const char *type_str)
{
for ( unsigned int i = 0; i < nr_polelt_plugins; i++ ) {
if ( strcmp(type_str, polelt_plugins[i]->type_string) == 0 )
return polelt_plugins[i];
}
return NULL;
}
bool verify_policy_element(const lcp_policy_element_t *elt, size_t size)
{
if ( size < sizeof(*elt) ) {
ERROR("Error: data is too small\n");
return false;
}
if ( size != elt->size ) {
ERROR("Error: data is too small\n");
return false;
}
return true;
}
void display_policy_element(const char *prefix,
const lcp_policy_element_t *elt, bool brief)
{
DISPLAY("%s size: 0x%x (%u)\n", prefix, elt->size, elt->size);
polelt_plugin_t *plugin = find_polelt_plugin_by_type(elt->type);
const char *type_str = (plugin == NULL) ? "unknown" : plugin->type_string;
DISPLAY("%s type: \'%s\' (%u)\n", prefix, type_str, elt->type);
DISPLAY("%s policy_elt_control: 0x%08x\n", prefix,
elt->policy_elt_control);
/* don't display element data for brief output */
if ( brief )
return;
char new_prefix[strnlen_s(prefix, 20)+8];
strcpy_s(new_prefix, sizeof(new_prefix), prefix);
strcat_s(new_prefix, sizeof(new_prefix), " ");
DISPLAY("%s data:\n", prefix);
if ( plugin == NULL )
print_hex(new_prefix, elt->data, elt->size - sizeof(*elt));
else
(*plugin->display)(new_prefix, elt);
}
/*
* Local variables:
* mode: C
* c-set-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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