macaroons-inner.h

/* Copyright (c) 2016, Robert Escriva
 * 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 this project 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.
 */

#ifndef macaroons_inner_h_
#define macaroons_inner_h_

/* macaroons */
#include "slice.h"

#ifdef PARANOID_MACAROONS
#define VALIDATE(M) assert(macaroon_validate(M) == 0);
#else
#define VALIDATE(M) do {} while (0)
#endif

#define MACAROON_API __attribute__ ((visibility ("default")))

struct caveat
{
    struct slice cid;
    struct slice vid;
    struct slice cl;
};

struct macaroon
{
    struct slice location;
    struct slice identifier;
    struct slice signature;
    /* zero or more caveats */
    size_t num_caveats;
    struct caveat caveats[1];
};

struct macaroon*
macaroon_malloc(const size_t num_caveats,
                const size_t body_data,
                unsigned char** _ptr);

size_t
macaroon_body_size(const struct macaroon* M);

#endif /* macaroons_inner_h_ */