1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/*
* HttpAuth
*
* Copyright (C) 2004 Stefan Walter
*
* 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.
*
* 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.
* 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 "md5.h"
#define DIGEST_NONCE_LEN sizeof(time_t) + sizeof(unsigned int) + MD5_LEN
#define DIGEST_SECRET_LEN 16
/* Parsed Digest response from the client */
typedef struct digest_header
{
const char* scheme;
const char* realm;
const char* username;
const char* nonce;
const char* uri;
const char* method;
const char* digest;
const char* algorithm;
const char* cnonce;
const char* opaque;
const char* qop;
const char* nc;
}
digest_header_t;
typedef struct digest_context
{
digest_header_t client;
long server_nc;
const char* server_uri;
const char* server_method;
unsigned char ha1[MD5_LEN];
}
digest_context_t;
void digest_makeha1(unsigned char* digest, const char* user,
const char* realm, const char* password);
int digest_parse(const char* header, ha_buffer_t* buf, digest_header_t* dg);
const char* digest_challenge(ha_buffer_t* buf, const char* nonce_str,
const char* realm, const char* domains, int stale);
/*
* Validate digest headers once they've been parsed. Note that it's up
* to the caller to validate the 'username' and 'nonce' fields.
*/
int digest_check(digest_context_t* dg, const ha_context_t* opts, ha_buffer_t* buf);
int digest_pre_check(digest_context_t* dg, const ha_context_t* opts, ha_buffer_t* buf);
/* This assumes a digest_context that's been prechecked successfully */
int digest_complete_check(digest_context_t* dg, const ha_context_t* opts, ha_buffer_t* buf);
/* This assumes a digest_context that's been checked and validated successfully */
const char* digest_respond(digest_context_t* dg, ha_buffer_t* buf, unsigned char* next);
#endif /* __DIGEST_H__ */
|
