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
|
/* client.c --- SAML20 mechanism, client side.
* Copyright (C) 2010-2025 Simon Josefsson
*
* This file is part of GNU SASL Library.
*
* GNU SASL Library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* GNU SASL Library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with GNU SASL Library; if not, see
* <https://www.gnu.org/licenses/>.
*
*/
#include <config.h>
/* Get specification. */
#include "saml20.h"
/* Get strdup, strlen. */
#include <string.h>
/* Get free. */
#include <stdlib.h>
/* Get bool. */
#include <stdbool.h>
/* Get _gsasl_gs2_generate_header. */
#include "mechtools.h"
struct saml20_client_state
{
int step;
};
int
_gsasl_saml20_client_start (Gsasl_session *sctx _GL_UNUSED, void **mech_data)
{
struct saml20_client_state *state;
state = (struct saml20_client_state *) calloc (1, sizeof (*state));
if (state == NULL)
return GSASL_MALLOC_ERROR;
*mech_data = state;
return GSASL_OK;
}
int
_gsasl_saml20_client_step (Gsasl_session *sctx,
void *mech_data,
const char *input, size_t input_len,
char **output, size_t *output_len)
{
struct saml20_client_state *state = mech_data;
int res = GSASL_MECHANISM_CALLED_TOO_MANY_TIMES;
switch (state->step)
{
case 0:
{
const char *authzid = gsasl_property_get (sctx, GSASL_AUTHZID);
const char *idp =
gsasl_property_get (sctx, GSASL_SAML20_IDP_IDENTIFIER);
if (!idp || !*idp)
return GSASL_NO_SAML20_IDP_IDENTIFIER;
res = _gsasl_gs2_generate_header (false, 'n', NULL, authzid,
strlen (idp), idp,
output, output_len);
if (res != GSASL_OK)
return res;
res = GSASL_NEEDS_MORE;
state->step++;
}
break;
case 1:
{
res = gsasl_property_set_raw (sctx, GSASL_SAML20_REDIRECT_URL,
input, input_len);
if (res != GSASL_OK)
return res;
res = gsasl_callback (NULL, sctx,
GSASL_SAML20_AUTHENTICATE_IN_BROWSER);
if (res != GSASL_OK)
return res;
*output_len = 1;
*output = strdup ("=");
if (!*output)
return GSASL_MALLOC_ERROR;
res = GSASL_OK;
state->step++;
}
break;
default:
break;
}
return res;
}
void
_gsasl_saml20_client_finish (Gsasl_session *sctx _GL_UNUSED, void *mech_data)
{
struct saml20_client_state *state = mech_data;
if (!state)
return;
free (state);
}
|
