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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2020 - 2021, Simon Josefsson, <simon@josefsson.org>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* RFC5802 SCRAM-SHA-1 authentication
*
***************************************************************************/
#include "curl_setup.h"
#ifdef USE_GSASL
#include <curl/curl.h>
#include "curl_base64.h"
#include "vauth/vauth.h"
#include "urldata.h"
#include "sendf.h"
#include <gsasl.h>
/* The last #include files should be: */
#include "curl_memory.h"
#include "memdebug.h"
bool Curl_auth_gsasl_is_supported(struct Curl_easy *data,
const char *mech,
struct gsasldata *gsasl)
{
int res;
res = gsasl_init(&gsasl->ctx);
if(res != GSASL_OK) {
failf(data, "gsasl init: %s\n", gsasl_strerror(res));
return FALSE;
}
res = gsasl_client_start(gsasl->ctx, mech, &gsasl->client);
if(res != GSASL_OK) {
gsasl_done(gsasl->ctx);
return FALSE;
}
return true;
}
CURLcode Curl_auth_gsasl_start(struct Curl_easy *data,
const char *userp,
const char *passwdp,
struct gsasldata *gsasl)
{
#if GSASL_VERSION_NUMBER >= 0x010b00
int res;
res =
#endif
gsasl_property_set(gsasl->client, GSASL_AUTHID, userp);
#if GSASL_VERSION_NUMBER >= 0x010b00
if(res != GSASL_OK) {
failf(data, "setting AUTHID failed: %s\n", gsasl_strerror(res));
return CURLE_OUT_OF_MEMORY;
}
#endif
#if GSASL_VERSION_NUMBER >= 0x010b00
res =
#endif
gsasl_property_set(gsasl->client, GSASL_PASSWORD, passwdp);
#if GSASL_VERSION_NUMBER >= 0x010b00
if(res != GSASL_OK) {
failf(data, "setting PASSWORD failed: %s\n", gsasl_strerror(res));
return CURLE_OUT_OF_MEMORY;
}
#endif
(void)data;
return CURLE_OK;
}
CURLcode Curl_auth_gsasl_token(struct Curl_easy *data,
const char *chlg64,
struct gsasldata *gsasl,
char **outptr, size_t *outlen)
{
unsigned char *chlg = NULL;
size_t chlglen = 0;
CURLcode result = CURLE_OK;
int res;
char *response;
if(chlg64) {
result = Curl_base64_decode(chlg64, &chlg, &chlglen);
if(result)
return result;
}
res = gsasl_step(gsasl->client,
(const char *)chlg, chlglen, &response, outlen);
if(res != GSASL_OK && res != GSASL_NEEDS_MORE) {
if(chlg64)
free(chlg);
failf(data, "GSASL step: %s\n", gsasl_strerror(res));
return CURLE_BAD_CONTENT_ENCODING;
}
if(*outlen > 0) {
result = Curl_base64_encode(data, response, 0, outptr, outlen);
gsasl_free(response);
}
else {
*outptr = strdup("");
if(!*outptr)
result = CURLE_OUT_OF_MEMORY;
}
return result;
}
void Curl_auth_gsasl_cleanup(struct gsasldata *gsasl)
{
gsasl_finish(gsasl->client);
gsasl->client = NULL;
gsasl_done(gsasl->ctx);
gsasl->ctx = NULL;
}
#endif
|
