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
|
/*
Unix SMB/CIFS implementation.
SASL/EXTERNAL authentication.
Copyright (C) Howard Chu <hyc@symas.com> 2013
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "auth/credentials/credentials.h"
#include "auth/gensec/gensec.h"
#include "auth/gensec/gensec_internal.h"
#include "auth/gensec/gensec_proto.h"
#include "auth/gensec/gensec_toplevel_proto.h"
/* SASL/EXTERNAL is essentially a no-op; it is only usable when the transport
* layer is already mutually authenticated.
*/
NTSTATUS gensec_external_init(void);
static NTSTATUS gensec_external_start(struct gensec_security *gensec_security)
{
if (gensec_security->want_features & GENSEC_FEATURE_SIGN)
return NT_STATUS_INVALID_PARAMETER;
if (gensec_security->want_features & GENSEC_FEATURE_SEAL)
return NT_STATUS_INVALID_PARAMETER;
return NT_STATUS_OK;
}
static NTSTATUS gensec_external_update(struct gensec_security *gensec_security,
TALLOC_CTX *out_mem_ctx,
struct tevent_context *ev,
const DATA_BLOB in, DATA_BLOB *out)
{
*out = data_blob_talloc(out_mem_ctx, "", 0);
return NT_STATUS_OK;
}
/* We have no features */
static bool gensec_external_have_feature(struct gensec_security *gensec_security,
uint32_t feature)
{
return false;
}
static const struct gensec_security_ops gensec_external_ops = {
.name = "sasl-EXTERNAL",
.sasl_name = "EXTERNAL",
.client_start = gensec_external_start,
.update = gensec_external_update,
.have_feature = gensec_external_have_feature,
.enabled = true,
.priority = GENSEC_EXTERNAL
};
NTSTATUS gensec_external_init(void)
{
NTSTATUS ret;
ret = gensec_register(&gensec_external_ops);
if (!NT_STATUS_IS_OK(ret)) {
DEBUG(0,("Failed to register '%s' gensec backend!\n",
gensec_external_ops.name));
}
return ret;
}
|
