4 Copyright (C) Andrew Tridgell 2001
5 Copyright (C) Andrew Bartlett 2001-2003,2011
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "auth/ntlmssp/ntlmssp.h"
23 #include "ntlmssp_wrap.h"
24 #include "auth/gensec/gensec.h"
25 #include "auth/credentials/credentials.h"
26 #include "librpc/rpc/dcerpc.h"
27 #include "lib/param/param.h"
29 NTSTATUS auth_ntlmssp_set_username(struct auth_ntlmssp_state *ans,
32 cli_credentials_set_username(ans->credentials, user, CRED_SPECIFIED);
36 NTSTATUS auth_ntlmssp_set_domain(struct auth_ntlmssp_state *ans,
39 cli_credentials_set_domain(ans->credentials, domain, CRED_SPECIFIED);
43 NTSTATUS auth_ntlmssp_set_password(struct auth_ntlmssp_state *ans,
46 cli_credentials_set_password(ans->credentials, password, CRED_SPECIFIED);
50 void auth_ntlmssp_want_feature(struct auth_ntlmssp_state *ans, uint32_t feature)
52 if (feature & NTLMSSP_FEATURE_SESSION_KEY) {
53 gensec_want_feature(ans->gensec_security, GENSEC_FEATURE_SESSION_KEY);
55 if (feature & NTLMSSP_FEATURE_SIGN) {
56 gensec_want_feature(ans->gensec_security, GENSEC_FEATURE_SIGN);
58 if (feature & NTLMSSP_FEATURE_SEAL) {
59 gensec_want_feature(ans->gensec_security, GENSEC_FEATURE_SEAL);
63 DATA_BLOB auth_ntlmssp_get_session_key(struct auth_ntlmssp_state *ans, TALLOC_CTX *mem_ctx)
65 DATA_BLOB session_key;
66 NTSTATUS status = gensec_session_key(ans->gensec_security, mem_ctx, &session_key);
67 if (NT_STATUS_IS_OK(status)) {
70 return data_blob_null;
74 static NTSTATUS gensec_ntlmssp3_client_update(struct gensec_security *gensec_security,
75 TALLOC_CTX *out_mem_ctx,
76 struct tevent_context *ev,
77 const DATA_BLOB request,
81 struct gensec_ntlmssp_context *gensec_ntlmssp =
82 talloc_get_type_abort(gensec_security->private_data,
83 struct gensec_ntlmssp_context);
85 status = ntlmssp_update(gensec_ntlmssp->ntlmssp_state, request, reply);
86 if (NT_STATUS_IS_OK(status) ||
87 NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
88 talloc_steal(out_mem_ctx, reply->data);
94 static NTSTATUS gensec_ntlmssp3_client_start(struct gensec_security *gensec_security)
97 struct gensec_ntlmssp_context *gensec_ntlmssp;
98 const char *user, *domain;
101 nt_status = gensec_ntlmssp_start(gensec_security);
102 NT_STATUS_NOT_OK_RETURN(nt_status);
105 talloc_get_type_abort(gensec_security->private_data,
106 struct gensec_ntlmssp_context);
108 nt_status = ntlmssp_client_start(gensec_ntlmssp,
109 lp_netbios_name(), lp_workgroup(),
110 lp_client_ntlmv2_auth(), &gensec_ntlmssp->ntlmssp_state);
111 if (!NT_STATUS_IS_OK(nt_status)) {
115 cli_credentials_get_ntlm_username_domain(gensec_security->credentials, gensec_ntlmssp, &user, &domain);
116 if (!user || !domain) {
117 return NT_STATUS_NO_MEMORY;
120 nt_status = ntlmssp_set_username(gensec_ntlmssp->ntlmssp_state, user);
121 if (!NT_STATUS_IS_OK(nt_status)) {
125 nt_status = ntlmssp_set_domain(gensec_ntlmssp->ntlmssp_state, domain);
126 if (!NT_STATUS_IS_OK(nt_status)) {
130 password = cli_credentials_get_password(gensec_security->credentials);
132 return NT_STATUS_NO_MEMORY;
135 nt_status = ntlmssp_set_password(gensec_ntlmssp->ntlmssp_state, password);
136 if (!NT_STATUS_IS_OK(nt_status)) {
140 if (gensec_ntlmssp->gensec_security->want_features & GENSEC_FEATURE_SESSION_KEY) {
141 gensec_ntlmssp->ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
143 if (gensec_ntlmssp->gensec_security->want_features & GENSEC_FEATURE_SIGN) {
144 gensec_ntlmssp->ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
146 if (gensec_ntlmssp->gensec_security->want_features & GENSEC_FEATURE_SEAL) {
147 gensec_ntlmssp->ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
148 gensec_ntlmssp->ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SEAL;
154 static const char *gensec_ntlmssp3_client_oids[] = {
159 static const struct gensec_security_ops gensec_ntlmssp3_client_ops = {
160 .name = "ntlmssp3_client",
161 .sasl_name = GENSEC_SASL_NAME_NTLMSSP, /* "NTLM" */
162 .auth_type = DCERPC_AUTH_TYPE_NTLMSSP,
163 .oid = gensec_ntlmssp3_client_oids,
164 .client_start = gensec_ntlmssp3_client_start,
165 .magic = gensec_ntlmssp_magic,
166 .update = gensec_ntlmssp3_client_update,
167 .sig_size = gensec_ntlmssp_sig_size,
168 .sign_packet = gensec_ntlmssp_sign_packet,
169 .check_packet = gensec_ntlmssp_check_packet,
170 .seal_packet = gensec_ntlmssp_seal_packet,
171 .unseal_packet = gensec_ntlmssp_unseal_packet,
172 .wrap = gensec_ntlmssp_wrap,
173 .unwrap = gensec_ntlmssp_unwrap,
174 .session_key = gensec_ntlmssp_session_key,
175 .have_feature = gensec_ntlmssp_have_feature,
177 .priority = GENSEC_NTLMSSP
180 NTSTATUS auth_ntlmssp_client_prepare(TALLOC_CTX *mem_ctx, struct auth_ntlmssp_state **auth_ntlmssp_state)
182 struct auth_ntlmssp_state *ans;
185 struct gensec_settings *gensec_settings;
186 struct loadparm_context *lp_ctx;
188 ans = talloc_zero(mem_ctx, struct auth_ntlmssp_state);
190 DEBUG(0,("auth_ntlmssp_start: talloc failed!\n"));
191 return NT_STATUS_NO_MEMORY;
194 lp_ctx = loadparm_init_s3(ans, loadparm_s3_context());
195 if (lp_ctx == NULL) {
196 DEBUG(10, ("loadparm_init_s3 failed\n"));
198 return NT_STATUS_INVALID_SERVER_STATE;
201 gensec_settings = lpcfg_gensec_settings(ans, lp_ctx);
202 if (lp_ctx == NULL) {
203 DEBUG(10, ("lpcfg_gensec_settings failed\n"));
205 return NT_STATUS_NO_MEMORY;
208 nt_status = gensec_client_start(ans, &ans->gensec_security, gensec_settings);
210 if (!NT_STATUS_IS_OK(nt_status)) {
215 ans->credentials = cli_credentials_init(ans);
216 if (!ans->credentials) {
218 return NT_STATUS_NO_MEMORY;
221 cli_credentials_guess(ans->credentials, lp_ctx);
223 talloc_unlink(ans, lp_ctx);
224 talloc_unlink(ans, gensec_settings);
226 *auth_ntlmssp_state = ans;
230 NTSTATUS auth_ntlmssp_client_start(struct auth_ntlmssp_state *ans)
234 /* Transfer the credentials to gensec */
235 status = gensec_set_credentials(ans->gensec_security, ans->credentials);
236 if (!NT_STATUS_IS_OK(status)) {
237 DEBUG(1, ("Failed to set GENSEC credentials: %s\n",
241 talloc_unlink(ans, ans->credentials);
242 ans->credentials = NULL;
244 status = gensec_start_mech_by_ops(ans->gensec_security,
245 &gensec_ntlmssp3_client_ops);
246 if (!NT_STATUS_IS_OK(status)) {