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118 lines
3.1 KiB
118 lines
3.1 KiB
/*
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* $Id$
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*
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* Digest credentials parser interface
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*
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* Copyright (C) 2001-2003 FhG Fokus
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*
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* This file is part of ser, a free SIP server.
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*
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* ser is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* For a license to use the ser software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* ser is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef DIGEST_H
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#define DIGEST_H
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#include "digest_parser.h"
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#include "../hf.h" /* struct hdr_field */
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#include "../msg_parser.h"
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typedef struct auth_body {
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/* This is pointer to header field containing
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* parsed authorized digest credentials. This
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* pointer is set in sip_msg->{authorization,proxy_auth}
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* hooks.
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*
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* This is necessary for functions called after
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* {www,proxy}_authorize, these functions need to know
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* which credentials are authorized and they will simply
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* look into
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* sip_msg->{authorization,proxy_auth}->parsed->authorized
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*/
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struct hdr_field* authorized;
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dig_cred_t digest; /* Parsed digest credentials */
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unsigned char stale; /* Flag is set if nonce is stale */
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} auth_body_t;
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/*
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* Errors returned by check_dig_cred
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*/
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typedef enum dig_err {
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E_DIG_OK = 0, /* Everything is OK */
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E_DIG_USERNAME = 1, /* Username missing */
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E_DIG_REALM = 2, /* Realm missing */
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E_DIG_NONCE = 4, /* Nonce value missing */
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E_DIG_URI = 8, /* URI missing */
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E_DIG_RESPONSE = 16, /* Response missing */
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E_DIG_CNONCE = 32, /* CNONCE missing */
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E_DIG_NC = 64, /* Nonce-count missing */
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E_DIG_DOMAIN = 128 /* Username domain != realm */
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} dig_err_t;
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/*
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* Parse digest credentials
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*/
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int parse_credentials(struct hdr_field* _h);
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/*
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* Free all memory associated with parsed
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* structures
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*/
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void free_credentials(auth_body_t** _b);
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/*
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* Print dig_cred structure to stdout
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*/
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void print_cred(dig_cred_t* _c);
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/*
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* Mark credentials as authorized
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*/
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int mark_authorized_cred(struct sip_msg* _m, struct hdr_field* _h);
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/*
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* Get pointer to authorized credentials
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*/
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int get_authorized_cred(struct hdr_field* _f, struct hdr_field** _h);
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/*
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* Check if credentials are correct
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* (check of semantics)
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*/
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dig_err_t check_dig_cred(dig_cred_t* _c);
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/*
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* Find credentials with given realm in a SIP message header
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*/
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int find_credentials(struct sip_msg* msg, str* realm,
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hdr_types_t hftype, struct hdr_field** hdr);
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#endif /* DIGEST_H */
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