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/*
* Copyright (C) 2011 Martin Willi
* Copyright (C) 2011 revosec AG
*
* This program is free software; 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. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*/
#define _GNU_SOURCE
#include <stdio.h>
#include "plugin_feature.h"
ENUM(plugin_feature_names, FEATURE_NONE, FEATURE_CUSTOM,
"NONE",
"CRYPTER",
"SIGNER",
"HASHER",
"PRF",
"DH",
"RNG",
"PRIVKEY",
"PRIVKEY_GEN",
"PRIVKEY_SIGN",
"PRIVKEY_DECRYPT",
"PUBKEY",
"PUBKEY_VERIFY",
"PUBKEY_ENCRYPT",
"CERT_DECODE",
"CERT_ENCODE",
"EAP_SERVER",
"EAP_CLIENT",
"DATABASE",
"FETCHER",
"CUSTOM",
);
/**
* See header.
*/
bool plugin_feature_matches(plugin_feature_t *a, plugin_feature_t *b)
{
if (a->type == b->type)
{
switch (a->type)
{
case FEATURE_NONE:
return FALSE;
case FEATURE_CRYPTER:
return a->crypter.alg == b->crypter.alg &&
a->crypter.key_size == b->crypter.key_size;
case FEATURE_SIGNER:
return a->signer == b->signer;
case FEATURE_HASHER:
return a->hasher == b->hasher;
case FEATURE_PRF:
return a->prf == b->prf;
case FEATURE_DH:
return a->dh_group == b->dh_group;
case FEATURE_RNG:
return a->rng_quality <= b->rng_quality;
case FEATURE_PRIVKEY:
case FEATURE_PRIVKEY_GEN:
case FEATURE_PUBKEY:
return a->privkey == b->privkey;
case FEATURE_PRIVKEY_SIGN:
case FEATURE_PUBKEY_VERIFY:
return a->privkey_sign == b->privkey_sign;
case FEATURE_PRIVKEY_DECRYPT:
case FEATURE_PUBKEY_ENCRYPT:
return a->privkey_decrypt == b->privkey_decrypt;
case FEATURE_CERT_DECODE:
case FEATURE_CERT_ENCODE:
return a->cert == b->cert;
case FEATURE_EAP_SERVER:
case FEATURE_EAP_PEER:
return a->eap == b->eap;
case FEATURE_DATABASE:
return a->database == DB_ANY || a->database == b->database;
case FEATURE_FETCHER:
return a->fetcher == NULL || streq(a->fetcher, b->fetcher);
case FEATURE_CUSTOM:
return streq(a->custom, b->custom);
}
}
return FALSE;
}
/**
* See header.
*/
char* plugin_feature_get_string(plugin_feature_t *feature)
{
char *str = NULL;
if (feature->kind == FEATURE_REGISTER)
{
return strdup("(register function)");
}
switch (feature->type)
{
case FEATURE_NONE:
return strdup("NONE");
case FEATURE_CRYPTER:
if (asprintf(&str, "%N:%N-%d", plugin_feature_names, feature->type,
encryption_algorithm_names, feature->crypter.alg,
feature->crypter.key_size) > 0)
{
return str;
}
break;
case FEATURE_SIGNER:
if (asprintf(&str, "%N:%N", plugin_feature_names, feature->type,
integrity_algorithm_names, feature->signer) > 0)
{
return str;
}
break;
case FEATURE_HASHER:
if (asprintf(&str, "%N:%N", plugin_feature_names, feature->type,
hash_algorithm_names, feature->hasher) > 0)
{
return str;
}
break;
case FEATURE_PRF:
if (asprintf(&str, "%N:%N", plugin_feature_names, feature->type,
pseudo_random_function_names, feature->prf) > 0)
{
return str;
}
break;
case FEATURE_DH:
if (asprintf(&str, "%N:%N", plugin_feature_names, feature->type,
diffie_hellman_group_names, feature->dh_group) > 0)
{
return str;
}
break;
case FEATURE_RNG:
if (asprintf(&str, "%N:%N", plugin_feature_names, feature->type,
rng_quality_names, feature->rng_quality) > 0)
{
return str;
}
break;
case FEATURE_PRIVKEY:
case FEATURE_PRIVKEY_GEN:
case FEATURE_PUBKEY:
if (asprintf(&str, "%N:%N", plugin_feature_names, feature->type,
key_type_names, feature->privkey) > 0)
{
return str;
}
break;
case FEATURE_PRIVKEY_SIGN:
case FEATURE_PUBKEY_VERIFY:
if (asprintf(&str, "%N:%N", plugin_feature_names, feature->type,
signature_scheme_names, feature->privkey_sign) > 0)
{
return str;
}
break;
case FEATURE_PRIVKEY_DECRYPT:
case FEATURE_PUBKEY_ENCRYPT:
if (asprintf(&str, "%N:%N", plugin_feature_names, feature->type,
encryption_scheme_names, feature->privkey_decrypt) > 0)
{
return str;
}
break;
case FEATURE_CERT_DECODE:
case FEATURE_CERT_ENCODE:
if (asprintf(&str, "%N:%N", plugin_feature_names, feature->type,
certificate_type_names, feature->cert) > 0)
{
return str;
}
break;
case FEATURE_EAP_SERVER:
case FEATURE_EAP_PEER:
if (asprintf(&str, "%N:%N", plugin_feature_names, feature->type,
eap_type_short_names, feature->eap) > 0)
{
return str;
}
break;
case FEATURE_DATABASE:
if (asprintf(&str, "%N:%N", plugin_feature_names, feature->type,
db_driver_names, feature->database) > 0)
{
return str;
}
break;
case FEATURE_FETCHER:
if (asprintf(&str, "%N:%s", plugin_feature_names, feature->type,
feature->fetcher) > 0)
{
return str;
}
break;
case FEATURE_CUSTOM:
if (asprintf(&str, "%N:%s", plugin_feature_names, feature->type,
feature->custom) > 0)
{
return str;
}
break;
}
if (!str)
{
str = strdup("(invalid)");
}
return str;
}
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