2 Samba Unix/Linux SMB client library
3 Distributed SMB/CIFS Server Management Utility
4 Copyright (C) 2001 Andrew Bartlett (abartlet@samba.org)
5 Copyright (C) Tim Potter 2001
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 2 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, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
22 #include "../utils/net.h"
24 /* Macro for checking RPC error codes to make things more readable */
26 #define CHECK_RPC_ERR(rpc, msg) \
27 if (!NT_STATUS_IS_OK(result = rpc)) { \
28 DEBUG(0, (msg ": %s\n", nt_errstr(result))); \
32 #define CHECK_RPC_ERR_DEBUG(rpc, debug_args) \
33 if (!NT_STATUS_IS_OK(result = rpc)) { \
34 DEBUG(0, debug_args); \
40 * confirm that a domain join is still valid
42 * @return A shell status integer (0 for success)
45 int net_rpc_join_ok(const char *domain)
47 struct cli_state *cli;
48 uchar stored_md4_trust_password[16];
52 uint32 neg_flags = 0x000001ff;
54 /* Connect to remote machine */
55 if (!(cli = net_make_ipc_connection(NET_FLAGS_ANONYMOUS | NET_FLAGS_PDC))) {
59 if (!cli_nt_session_open(cli, PIPE_NETLOGON)) {
60 DEBUG(0,("Error connecting to NETLOGON pipe\n"));
64 if (!secrets_fetch_trust_account_password(domain,
65 stored_md4_trust_password, NULL)) {
66 DEBUG(0,("Could not reterive domain trust secret"));
70 if (lp_server_role() == ROLE_DOMAIN_BDC ||
71 lp_server_role() == ROLE_DOMAIN_PDC) {
72 channel = SEC_CHAN_BDC;
74 channel = SEC_CHAN_WKSTA;
77 CHECK_RPC_ERR(cli_nt_setup_creds(cli,
79 stored_md4_trust_password, &neg_flags, 2),
80 "error in domain join verification");
82 retval = 0; /* Success! */
85 /* Close down pipe - this will clean up open policy handles */
86 if (cli->nt_pipe_fnum)
87 cli_nt_session_close(cli);
95 * Join a domain using the administrator username and password
97 * @param argc Standard main() style argc
98 * @param argc Standard main() style argv. Initial components are already
99 * stripped. Currently not used.
100 * @return A shell status integer (0 for success)
104 int net_rpc_join_newstyle(int argc, const char **argv)
107 extern pstring global_myname;
109 /* libsmb variables */
111 struct cli_state *cli;
117 POLICY_HND lsa_pol, sam_pol, domain_pol, user_pol;
123 char *clear_trust_password = NULL;
124 fstring ucs2_trust_password;
126 uchar pwbuf[516], sess_key[16];
127 SAM_USERINFO_CTR ctr;
128 SAM_USER_INFO_24 p24;
129 SAM_USER_INFO_10 p10;
136 uint32 num_rids, *name_types, *user_rids;
137 uint32 flags = 0x3e8;
139 const char *const_acct_name;
141 /* Connect to remote machine */
143 if (!(cli = net_make_ipc_connection(NET_FLAGS_PDC)))
146 if (!(mem_ctx = talloc_init())) {
147 DEBUG(0, ("Could not initialise talloc context\n"));
151 /* Fetch domain sid */
153 if (!cli_nt_session_open(cli, PIPE_LSARPC)) {
154 DEBUG(0, ("Error connecting to SAM pipe\n"));
159 CHECK_RPC_ERR(cli_lsa_open_policy(cli, mem_ctx, True,
160 SEC_RIGHTS_MAXIMUM_ALLOWED,
162 "error opening lsa policy handle");
164 CHECK_RPC_ERR(cli_lsa_query_info_policy(cli, mem_ctx, &lsa_pol,
165 5, domain, &domain_sid),
166 "error querying info policy");
168 cli_lsa_close(cli, mem_ctx, &lsa_pol);
170 cli_nt_session_close(cli); /* Done with this pipe */
172 /* Create domain user */
173 if (!cli_nt_session_open(cli, PIPE_SAMR)) {
174 DEBUG(0, ("Error connecting to SAM pipe\n"));
178 CHECK_RPC_ERR(cli_samr_connect(cli, mem_ctx,
179 SEC_RIGHTS_MAXIMUM_ALLOWED,
181 "could not connect to SAM database");
184 CHECK_RPC_ERR(cli_samr_open_domain(cli, mem_ctx, &sam_pol,
185 SEC_RIGHTS_MAXIMUM_ALLOWED,
186 &domain_sid, &domain_pol),
187 "could not open domain");
189 /* Create domain user */
190 acct_name = talloc_asprintf(mem_ctx, "%s$", global_myname);
192 const_acct_name = acct_name;
194 acb_info = ((lp_server_role() == ROLE_DOMAIN_BDC) || lp_server_role() == ROLE_DOMAIN_PDC) ? ACB_SVRTRUST : ACB_WSTRUST;
196 result = cli_samr_create_dom_user(cli, mem_ctx, &domain_pol,
198 0xe005000b, &user_pol,
201 if (!NT_STATUS_IS_OK(result) &&
202 !NT_STATUS_EQUAL(result, NT_STATUS_USER_EXISTS)) {
203 d_printf("Create of workstation account failed\n");
205 /* If NT_STATUS_ACCESS_DENIED then we have a valid
206 username/password combo but the user does not have
207 administrator access. */
209 if (NT_STATUS_V(result) == NT_STATUS_V(NT_STATUS_ACCESS_DENIED))
210 d_printf("User specified does not have administrator privileges\n");
215 /* We *must* do this.... don't ask... */
217 if (NT_STATUS_IS_OK(result))
218 cli_samr_close(cli, mem_ctx, &user_pol);
220 CHECK_RPC_ERR_DEBUG(cli_samr_lookup_names(cli, mem_ctx,
224 &user_rids, &name_types),
225 ("error looking up rid for user %s: %s\n",
226 acct_name, nt_errstr(result)));
228 if (name_types[0] != SID_NAME_USER) {
229 DEBUG(0, ("%s is not a user account\n", acct_name));
233 user_rid = user_rids[0];
235 /* Open handle on user */
238 cli_samr_open_user(cli, mem_ctx, &domain_pol,
239 SEC_RIGHTS_MAXIMUM_ALLOWED,
240 user_rid, &user_pol),
241 ("could not re-open existing user %s: %s\n",
242 acct_name, nt_errstr(result)));
244 /* Create a random machine account password */
248 str = generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
249 clear_trust_password = strdup(str);
252 ucs2_pw_len = push_ucs2(NULL, ucs2_trust_password,
253 clear_trust_password,
254 sizeof(ucs2_trust_password), 0);
256 encode_pw_buffer((char *)pwbuf, ucs2_trust_password,
259 /* Set password on machine account */
264 init_sam_user_info24(&p24, (char *)pwbuf,24);
266 ctr.switch_value = 24;
267 ctr.info.id24 = &p24;
269 /* I don't think this is quite the right place for this
270 calculation. It should be moved somewhere where the credentials
271 are calculated. )-: */
273 mdfour(sess_key, cli->pwd.smb_nt_pwd, 16);
275 CHECK_RPC_ERR(cli_samr_set_userinfo(cli, mem_ctx, &user_pol, 24,
277 "error setting trust account password");
279 /* Why do we have to try to (re-)set the ACB to be the same as what
280 we passed in the samr_create_dom_user() call? When a NT
281 workstation is joined to a domain by an administrator the
282 acb_info is set to 0x80. For a normal user with "Add
283 workstations to the domain" rights the acb_info is 0x84. I'm
284 not sure whether it is supposed to make a difference or not. NT
285 seems to cope with either value so don't bomb out if the set
286 userinfo2 level 0x10 fails. -tpot */
289 ctr.switch_value = 0x10;
290 ctr.info.id10 = &p10;
292 init_sam_user_info10(&p10, acb_info);
294 /* Ignoring the return value is necessary for joining a domain
295 as a normal user with "Add workstation to domain" privilege. */
297 result = cli_samr_set_userinfo2(cli, mem_ctx, &user_pol, 0x10,
300 /* Now store the secret in the secrets database */
304 if (!secrets_store_domain_sid(domain, &domain_sid)) {
305 DEBUG(0, ("error storing domain sid for %s\n", domain));
309 if (!secrets_store_machine_password(clear_trust_password)) {
310 DEBUG(0, ("error storing plaintext domain secrets for %s\n", domain));
313 /* Now check the whole process from top-to-bottom */
314 cli_samr_close(cli, mem_ctx, &user_pol);
315 cli_nt_session_close(cli); /* Done with this pipe */
317 retval = net_rpc_join_ok(domain);
320 /* Close down pipe - this will clean up open policy handles */
322 if (cli->nt_pipe_fnum)
323 cli_nt_session_close(cli);
325 /* Display success or failure */
328 trust_password_delete(domain);
329 fprintf(stderr,"Unable to join domain %s.\n",domain);
331 printf("Joined domain %s.\n",domain);
336 SAFE_FREE(clear_trust_password);
343 * check that a join is OK
345 * @return A shell status integer (0 for success)
348 int net_rpc_testjoin(int argc, const char **argv)
350 char *domain = lp_workgroup();
352 domain = smb_xstrdup(domain);
354 /* Display success or failure */
355 if (net_rpc_join_ok(domain) != 0) {
356 fprintf(stderr,"Join to domain '%s' is not valid\n",domain);
361 printf("Join to '%s' is OK\n",domain);