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, PI_NETLOGON)) {
60 DEBUG(0,("Error connecting to NETLOGON pipe\n"));
64 if (!secrets_fetch_trust_account_password(domain,
65 stored_md4_trust_password,
67 DEBUG(0,("Could not retreive domain trust secret"));
71 CHECK_RPC_ERR(cli_nt_setup_creds(cli,
73 stored_md4_trust_password, &neg_flags, 2),
74 "error in domain join verification");
76 retval = 0; /* Success! */
79 /* Close down pipe - this will clean up open policy handles */
80 if (cli->nt_pipe_fnum)
81 cli_nt_session_close(cli);
89 * Join a domain using the administrator username and password
91 * @param argc Standard main() style argc
92 * @param argc Standard main() style argv. Initial components are already
93 * stripped. Currently not used.
94 * @return A shell status integer (0 for success)
98 int net_rpc_join_newstyle(int argc, const char **argv)
101 /* libsmb variables */
103 struct cli_state *cli;
105 uint32 acb_info = ACB_WSTRUST;
106 uint32 sec_channel_type;
110 POLICY_HND lsa_pol, sam_pol, domain_pol, user_pol;
116 char *clear_trust_password = NULL;
117 fstring ucs2_trust_password;
120 SAM_USERINFO_CTR ctr;
121 SAM_USER_INFO_24 p24;
122 SAM_USER_INFO_10 p10;
123 uchar md4_trust_password[16];
130 uint32 num_rids, *name_types, *user_rids;
131 uint32 flags = 0x3e8;
133 const char *const_acct_name;
134 uint32 neg_flags = 0x000001ff;
136 /* check what type of join */
138 sec_channel_type = get_sec_channel_type(argv[0]);
140 sec_channel_type = get_sec_channel_type(NULL);
143 switch (sec_channel_type) {
145 acb_info = ACB_WSTRUST;
148 acb_info = ACB_SVRTRUST;
151 case SEC_CHAN_DOMAIN:
152 acb_info = ACB_DOMTRUST;
157 /* Connect to remote machine */
159 if (!(cli = net_make_ipc_connection(NET_FLAGS_PDC)))
162 if (!(mem_ctx = talloc_init("net_rpc_join_newstyle"))) {
163 DEBUG(0, ("Could not initialise talloc context\n"));
167 /* Fetch domain sid */
169 if (!cli_nt_session_open(cli, PI_LSARPC)) {
170 DEBUG(0, ("Error connecting to SAM pipe\n"));
175 CHECK_RPC_ERR(cli_lsa_open_policy(cli, mem_ctx, True,
176 SEC_RIGHTS_MAXIMUM_ALLOWED,
178 "error opening lsa policy handle");
180 CHECK_RPC_ERR(cli_lsa_query_info_policy(cli, mem_ctx, &lsa_pol,
181 5, domain, &domain_sid),
182 "error querying info policy");
184 cli_lsa_close(cli, mem_ctx, &lsa_pol);
186 cli_nt_session_close(cli); /* Done with this pipe */
188 /* Create domain user */
189 if (!cli_nt_session_open(cli, PI_SAMR)) {
190 DEBUG(0, ("Error connecting to SAM pipe\n"));
194 CHECK_RPC_ERR(cli_samr_connect(cli, mem_ctx,
195 SEC_RIGHTS_MAXIMUM_ALLOWED,
197 "could not connect to SAM database");
200 CHECK_RPC_ERR(cli_samr_open_domain(cli, mem_ctx, &sam_pol,
201 SEC_RIGHTS_MAXIMUM_ALLOWED,
202 &domain_sid, &domain_pol),
203 "could not open domain");
205 /* Create domain user */
206 acct_name = talloc_asprintf(mem_ctx, "%s$", global_myname());
208 const_acct_name = acct_name;
210 result = cli_samr_create_dom_user(cli, mem_ctx, &domain_pol,
212 0xe005000b, &user_pol,
215 if (!NT_STATUS_IS_OK(result) &&
216 !NT_STATUS_EQUAL(result, NT_STATUS_USER_EXISTS)) {
217 d_printf("Create of workstation account failed\n");
219 /* If NT_STATUS_ACCESS_DENIED then we have a valid
220 username/password combo but the user does not have
221 administrator access. */
223 if (NT_STATUS_V(result) == NT_STATUS_V(NT_STATUS_ACCESS_DENIED))
224 d_printf("User specified does not have administrator privileges\n");
229 /* We *must* do this.... don't ask... */
231 if (NT_STATUS_IS_OK(result))
232 cli_samr_close(cli, mem_ctx, &user_pol);
234 CHECK_RPC_ERR_DEBUG(cli_samr_lookup_names(cli, mem_ctx,
238 &user_rids, &name_types),
239 ("error looking up rid for user %s: %s\n",
240 acct_name, nt_errstr(result)));
242 if (name_types[0] != SID_NAME_USER) {
243 DEBUG(0, ("%s is not a user account\n", acct_name));
247 user_rid = user_rids[0];
249 /* Open handle on user */
252 cli_samr_open_user(cli, mem_ctx, &domain_pol,
253 SEC_RIGHTS_MAXIMUM_ALLOWED,
254 user_rid, &user_pol),
255 ("could not re-open existing user %s: %s\n",
256 acct_name, nt_errstr(result)));
258 /* Create a random machine account password */
262 str = generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
263 clear_trust_password = strdup(str);
264 E_md4hash(clear_trust_password, md4_trust_password);
267 ucs2_pw_len = push_ucs2(NULL, ucs2_trust_password,
268 clear_trust_password,
269 sizeof(ucs2_trust_password), 0);
271 encode_pw_buffer((char *)pwbuf, ucs2_trust_password,
274 /* Set password on machine account */
279 init_sam_user_info24(&p24, (char *)pwbuf,24);
281 ctr.switch_value = 24;
282 ctr.info.id24 = &p24;
284 CHECK_RPC_ERR(cli_samr_set_userinfo(cli, mem_ctx, &user_pol, 24,
285 cli->user_session_key, &ctr),
286 "error setting trust account password");
288 /* Why do we have to try to (re-)set the ACB to be the same as what
289 we passed in the samr_create_dom_user() call? When a NT
290 workstation is joined to a domain by an administrator the
291 acb_info is set to 0x80. For a normal user with "Add
292 workstations to the domain" rights the acb_info is 0x84. I'm
293 not sure whether it is supposed to make a difference or not. NT
294 seems to cope with either value so don't bomb out if the set
295 userinfo2 level 0x10 fails. -tpot */
298 ctr.switch_value = 0x10;
299 ctr.info.id10 = &p10;
301 init_sam_user_info10(&p10, acb_info);
303 /* Ignoring the return value is necessary for joining a domain
304 as a normal user with "Add workstation to domain" privilege. */
306 result = cli_samr_set_userinfo2(cli, mem_ctx, &user_pol, 0x10,
307 cli->user_session_key, &ctr);
309 /* Now check the whole process from top-to-bottom */
310 cli_samr_close(cli, mem_ctx, &user_pol);
311 cli_nt_session_close(cli); /* Done with this pipe */
313 if (!cli_nt_session_open(cli, PI_NETLOGON)) {
314 DEBUG(0,("Error connecting to NETLOGON pipe\n"));
318 CHECK_RPC_ERR(cli_nt_setup_creds(cli,
320 md4_trust_password, &neg_flags, 2),
321 "error in domain join verification");
323 /* Now store the secret in the secrets database */
327 if (!secrets_store_domain_sid(domain, &domain_sid)) {
328 DEBUG(0, ("error storing domain sid for %s\n", domain));
332 if (!secrets_store_machine_password(clear_trust_password, domain, sec_channel_type)) {
333 DEBUG(0, ("error storing plaintext domain secrets for %s\n", domain));
336 /* double-check, connection from scratch */
337 retval = net_rpc_join_ok(domain);
340 /* Close down pipe - this will clean up open policy handles */
342 if (cli->nt_pipe_fnum)
343 cli_nt_session_close(cli);
345 /* Display success or failure */
348 fprintf(stderr,"Unable to join domain %s.\n",domain);
350 printf("Joined domain %s.\n",domain);
355 SAFE_FREE(clear_trust_password);
362 * check that a join is OK
364 * @return A shell status integer (0 for success)
367 int net_rpc_testjoin(int argc, const char **argv)
369 char *domain = smb_xstrdup(lp_workgroup());
371 /* Display success or failure */
372 if (net_rpc_join_ok(domain) != 0) {
373 fprintf(stderr,"Join to domain '%s' is not valid\n",domain);
378 printf("Join to '%s' is OK\n",domain);