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/*
* $Id: digest.h,v 1.1.1.1 2005/06/13 16:47:51 bogdan_iancu Exp $
*
* Digest credentials parser interface
*
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of openser, a free SIP server.
*
* openser 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
*
* openser 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef DIGEST_H
#define DIGEST_H
#include "digest_parser.h"
#include "../hf.h" /* struct hdr_field */
#include "../msg_parser.h"
typedef struct auth_body {
/* This is pointer to header field containing
* parsed authorized digest credentials. This
* pointer is set in sip_msg->{authorization,proxy_auth}
* hooks.
*
* This is necessary for functions called after
* {www,proxy}_authorize, these functions need to know
* which credentials are authorized and they will simply
* look into
* sip_msg->{authorization,proxy_auth}->parsed->authorized
*/
struct hdr_field* authorized;
dig_cred_t digest; /* Parsed digest credentials */
unsigned char stale; /* Flag is set if nonce is stale */
} auth_body_t;
/*
* Errors returned by check_dig_cred
*/
typedef enum dig_err {
E_DIG_OK = 0, /* Everything is OK */
E_DIG_USERNAME = 1, /* Username missing */
E_DIG_REALM = 2, /* Realm missing */
E_DIG_NONCE = 4, /* Nonce value missing */
E_DIG_URI = 8, /* URI missing */
E_DIG_RESPONSE = 16, /* Response missing */
E_DIG_CNONCE = 32, /* CNONCE missing */
E_DIG_NC = 64, /* Nonce-count missing */
E_DIG_DOMAIN = 128 /* Username domain != realm */
} dig_err_t;
/*
* Parse digest credentials
*/
int parse_credentials(struct hdr_field* _h);
/*
* Free all memory associated with parsed
* structures
*/
void free_credentials(auth_body_t** _b);
/*
* Print dig_cred structure to stdout
*/
void print_cred(dig_cred_t* _c);
/*
* Mark credentials as authorized
*/
int mark_authorized_cred(struct sip_msg* _m, struct hdr_field* _h);
/*
* Get pointer to authorized credentials
*/
int get_authorized_cred(struct hdr_field* _f, struct hdr_field** _h);
/*
* Check if credentials are correct
* (check of semantics)
*/
dig_err_t check_dig_cred(dig_cred_t* _c);
#endif /* DIGEST_H */
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