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/*
* Copyright (C) 2008 Martin Willi
* Hochschule fuer Technik Rapperswil
*
* 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.
*/
#include <library.h>
#include <daemon.h>
/*******************************************************************************
* SSH agent signature creation and verification
******************************************************************************/
bool test_agent()
{
char *path, buf[] = {0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08};
chunk_t sig, data = chunk_from_buf(buf);
private_key_t *private;
public_key_t *public;
path = getenv("SSH_AUTH_SOCK");
if (!path)
{
DBG1(DBG_CFG, "ssh-agent not found.");
return FALSE;
}
private = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, KEY_RSA,
BUILD_AGENT_SOCKET, path, BUILD_END);
if (!private)
{
return FALSE;
}
if (!private->sign(private, SIGN_RSA_EMSA_PKCS1_SHA1, data, &sig))
{
return FALSE;
}
public = private->get_public_key(private);
if (!public)
{
return FALSE;;
}
if (!public->verify(public, SIGN_RSA_EMSA_PKCS1_SHA1, data, sig))
{
return FALSE;
}
free(sig.ptr);
buf[1] = 0x01; /* fake it */
if (public->verify(public, SIGN_RSA_EMSA_PKCS1_SHA1, data, sig))
{
return FALSE;
}
private->destroy(private);
public->destroy(public);
return TRUE;
}
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