/*
* Soft: Perform a GET query to a remote HTTP/HTTPS server.
* Set a timer to compute global remote server response
* time.
*
* Part: Hash-related declarations (to break circular deps).
*
* Authors: Jan Pokorny, <jpokorny@redhat.com>
*
* 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.
*
* 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.
*
* Copyright 2013 Red Hat, Inc.
* Copyright (C) 2014-2017 Alexandre Cassen, <acassen@gmail.com>
*/
#ifndef _HASH_H
#define _HASH_H
/* system includes */
#include <openssl/md5.h>
#ifdef _WITH_SHA1_
#include <openssl/sha.h>
#endif
/* available hashes enumeration */
enum feat_hashes {
hash_first,
hash_md5 = hash_first,
#ifdef _WITH_SHA1_
hash_sha1,
#endif
hash_guard,
hash_default = hash_md5,
};
typedef union {
MD5_CTX md5;
#ifdef _WITH_SHA1_
SHA_CTX sha;
#endif
/* this is due to poor C standard/draft wording (wrapped):
https://groups.google.com/forum/#!msg/comp.lang.c/
1kQMGXhgn4I/0VBEYG_ji44J */
char *dummy;
} hash_context_t;
typedef int (*hash_init_f)(hash_context_t *);
typedef int (*hash_update_f)(hash_context_t *, const void *, unsigned long);
typedef int (*hash_final_f)(unsigned char *, hash_context_t *);
typedef struct {
hash_init_f init;
hash_update_f update;
hash_final_f final;
unsigned char length; /* length of the digest */
const char *id; /* command-line handing + help */
const char *label; /* final output */
} hash_t;
#endif