summaryrefslogtreecommitdiff
path: root/source3/libsmb/auth_generic.c
blob: 42669f7232e6dcade075b1354aa4443e2306036e (plain)
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
144
145
146
147
148
149
150
151
152
153
154
/*
   NLTMSSP wrappers

   Copyright (C) Andrew Tridgell      2001
   Copyright (C) Andrew Bartlett 2001-2003,2011

   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/ntlmssp/ntlmssp.h"
#include "auth_generic.h"
#include "auth/gensec/gensec.h"
#include "auth/credentials/credentials.h"
#include "librpc/rpc/dcerpc.h"
#include "lib/param/param.h"

NTSTATUS auth_generic_set_username(struct auth_generic_state *ans,
				   const char *user)
{
	cli_credentials_set_username(ans->credentials, user, CRED_SPECIFIED);
	return NT_STATUS_OK;
}

NTSTATUS auth_generic_set_domain(struct auth_generic_state *ans,
				 const char *domain)
{
	cli_credentials_set_domain(ans->credentials, domain, CRED_SPECIFIED);
	return NT_STATUS_OK;
}

NTSTATUS auth_generic_set_password(struct auth_generic_state *ans,
				   const char *password)
{
	cli_credentials_set_password(ans->credentials, password, CRED_SPECIFIED);
	return NT_STATUS_OK;
}

NTSTATUS auth_generic_client_prepare(TALLOC_CTX *mem_ctx, struct auth_generic_state **auth_generic_state)
{
	struct auth_generic_state *ans;
	NTSTATUS nt_status;

	struct gensec_settings *gensec_settings;
	struct loadparm_context *lp_ctx;

	ans = talloc_zero(mem_ctx, struct auth_generic_state);
	if (!ans) {
		DEBUG(0,("auth_generic_start: talloc failed!\n"));
		return NT_STATUS_NO_MEMORY;
	}

	lp_ctx = loadparm_init_s3(ans, loadparm_s3_context());
	if (lp_ctx == NULL) {
		DEBUG(10, ("loadparm_init_s3 failed\n"));
		TALLOC_FREE(ans);
		return NT_STATUS_INVALID_SERVER_STATE;
	}

	gensec_settings = lpcfg_gensec_settings(ans, lp_ctx);
	if (lp_ctx == NULL) {
		DEBUG(10, ("lpcfg_gensec_settings failed\n"));
		TALLOC_FREE(ans);
		return NT_STATUS_NO_MEMORY;
	}

	gensec_settings->backends = talloc_zero_array(gensec_settings, struct gensec_security_ops *, 2);
	if (gensec_settings->backends == NULL) {
		TALLOC_FREE(ans);
		return NT_STATUS_NO_MEMORY;
	}

	gensec_settings->backends[0] = &gensec_ntlmssp3_client_ops;

	nt_status = gensec_client_start(ans, &ans->gensec_security, gensec_settings);

	if (!NT_STATUS_IS_OK(nt_status)) {
		TALLOC_FREE(ans);
		return nt_status;
	}

	ans->credentials = cli_credentials_init(ans);
	if (!ans->credentials) {
		TALLOC_FREE(ans);
		return NT_STATUS_NO_MEMORY;
	}

	cli_credentials_guess(ans->credentials, lp_ctx);

	talloc_unlink(ans, lp_ctx);
	talloc_unlink(ans, gensec_settings);

	*auth_generic_state = ans;
	return NT_STATUS_OK;
}

NTSTATUS auth_generic_client_start(struct auth_generic_state *ans, const char *oid)
{
	NTSTATUS status;

	/* Transfer the credentials to gensec */
	status = gensec_set_credentials(ans->gensec_security, ans->credentials);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(1, ("Failed to set GENSEC credentials: %s\n",
			  nt_errstr(status)));
		return status;
	}
	talloc_unlink(ans, ans->credentials);
	ans->credentials = NULL;

	status = gensec_start_mech_by_oid(ans->gensec_security,
					  oid);
	if (!NT_STATUS_IS_OK(status)) {
		return status;
	}

	return NT_STATUS_OK;
}

NTSTATUS auth_generic_client_start_by_authtype(struct auth_generic_state *ans,
					       uint8_t auth_type,
					       uint8_t auth_level)
{
	NTSTATUS status;

	/* Transfer the credentials to gensec */
	status = gensec_set_credentials(ans->gensec_security, ans->credentials);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(1, ("Failed to set GENSEC credentials: %s\n",
			  nt_errstr(status)));
		return status;
	}
	talloc_unlink(ans, ans->credentials);
	ans->credentials = NULL;

	status = gensec_start_mech_by_authtype(ans->gensec_security,
					       auth_type, auth_level);
	if (!NT_STATUS_IS_OK(status)) {
		return status;
	}

	return NT_STATUS_OK;
}