summaryrefslogtreecommitdiff
path: root/source3/nsswitch/winbindd_misc.c
blob: 18478992f3e1714c43cdce3a909a237bbb29e08a (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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
/* 
   Unix SMB/CIFS implementation.

   Winbind daemon - miscellaneous other functions

   Copyright (C) Tim Potter      2000
   Copyright (C) Andrew Bartlett 2002
   
   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 2 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, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include "includes.h"
#include "winbindd.h"

#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND

/* Check the machine account password is valid */

enum winbindd_result winbindd_check_machine_acct(struct winbindd_cli_state *state)
{
	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
	uchar trust_passwd[16];
        int num_retries = 0;
        struct cli_state *cli;
	uint32 sec_channel_type;
	struct winbindd_domain *contact_domain;

	DEBUG(3, ("[%5lu]: check machine account\n", (unsigned long)state->pid));

	/* Get trust account password */

 again:
	if (!secrets_fetch_trust_account_password(
		    lp_workgroup(), trust_passwd, NULL, &sec_channel_type)) {
		result = NT_STATUS_INTERNAL_ERROR;
		goto done;
	}


	contact_domain = find_our_domain();
        if (!contact_domain) {
		result = NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
                DEBUG(1, ("Cannot find our own domain!\n"));
                goto done;
        }
	
        /* This call does a cli_nt_setup_creds() which implicitly checks
           the trust account password. */
	/* Don't shut this down - it belongs to the connection cache code */
	
        result = cm_get_netlogon_cli(contact_domain,
		trust_passwd, sec_channel_type, True, &cli);

        if (!NT_STATUS_IS_OK(result)) {
                DEBUG(3, ("could not open handle to NETLOGON pipe\n"));
                goto done;
        }

        /* There is a race condition between fetching the trust account
           password and the periodic machine password change.  So it's 
	   possible that the trust account password has been changed on us.  
	   We are returned NT_STATUS_ACCESS_DENIED if this happens. */

#define MAX_RETRIES 8

        if ((num_retries < MAX_RETRIES) && 
            NT_STATUS_V(result) == NT_STATUS_V(NT_STATUS_ACCESS_DENIED)) {
                num_retries++;
                goto again;
        }

	/* Pass back result code - zero for success, other values for
	   specific failures. */

	DEBUG(3, ("secret is %s\n", NT_STATUS_IS_OK(result) ?  
                  "good" : "bad"));

 done:
	state->response.data.auth.nt_status = NT_STATUS_V(result);
	fstrcpy(state->response.data.auth.nt_status_string, nt_errstr(result));
	fstrcpy(state->response.data.auth.error_string, nt_errstr(result));
	state->response.data.auth.pam_error = nt_status_to_pam(result);

	DEBUG(NT_STATUS_IS_OK(result) ? 5 : 2, ("Checking the trust account password returned %s\n", 
						state->response.data.auth.nt_status_string));

	return NT_STATUS_IS_OK(result) ? WINBINDD_OK : WINBINDD_ERROR;
}

enum winbindd_result winbindd_list_trusted_domains(struct winbindd_cli_state
						   *state)
{
	struct winbindd_domain *domain;
	int total_entries = 0, extra_data_len = 0;
	char *ted, *extra_data = NULL;

	DEBUG(3, ("[%5lu]: list trusted domains\n", (unsigned long)state->pid));

	/* We need to refresh the trusted domain list as the domains may
	   have changed since we last looked.  There may be a sequence
	   number or something we should use but I haven't found it yet. */

	if (!init_domain_list()) {
		DEBUG(1, ("winbindd_list_trusted_domains: could not "
			  "refresh trusted domain list\n"));
		return WINBINDD_ERROR;
	}

	for(domain = domain_list(); domain; domain = domain->next) {

		/* Skip own domain */

		if (domain->primary) continue;

		/* Add domain to list */

		total_entries++;
		ted = Realloc(extra_data, sizeof(fstring) * 
                              total_entries);

		if (!ted) {
			DEBUG(0,("winbindd_list_trusted_domains: failed to enlarge buffer!\n"));
			SAFE_FREE(extra_data);
			return WINBINDD_ERROR;
		} else 
                        extra_data = ted;

		memcpy(&extra_data[extra_data_len], domain->name,
		       strlen(domain->name));

		extra_data_len  += strlen(domain->name);
		extra_data[extra_data_len++] = ',';
	}

	if (extra_data) {
		if (extra_data_len > 1) 
                        extra_data[extra_data_len - 1] = '\0';
		state->response.extra_data = extra_data;
		state->response.length += extra_data_len;
	}

	return WINBINDD_OK;
}


enum winbindd_result winbindd_show_sequence(struct winbindd_cli_state *state)
{
	struct winbindd_domain *domain;
	char *extra_data = NULL;
	const char *which_domain;

	DEBUG(3, ("[%5lu]: show sequence\n", (unsigned long)state->pid));

	/* Ensure null termination */
	state->request.domain_name[sizeof(state->request.domain_name)-1]='\0';	
	which_domain = state->request.domain_name;

	extra_data = strdup("");

	/* this makes for a very simple data format, and is easily parsable as well
	   if that is ever needed */
	for (domain = domain_list(); domain; domain = domain->next) {
		char *s;

		/* if we have a domain name restricting the request and this
		   one in the list doesn't match, then just bypass the remainder
		   of the loop */

		if ( *which_domain && !strequal(which_domain, domain->name) )
			continue;

		domain->methods->sequence_number(domain, &domain->sequence_number);
		
		if (DOM_SEQUENCE_NONE == (unsigned)domain->sequence_number) {
			asprintf(&s,"%s%s : DISCONNECTED\n", extra_data, 
				 domain->name);
		} else {
			asprintf(&s,"%s%s : %u\n", extra_data, 
				 domain->name, (unsigned)domain->sequence_number);
		}
		free(extra_data);
		extra_data = s;
	}

	state->response.extra_data = extra_data;
	/* must add one to length to copy the 0 for string termination */
	state->response.length += strlen(extra_data) + 1;

	return WINBINDD_OK;
}

enum winbindd_result winbindd_domain_info(struct winbindd_cli_state *state)
{
	struct winbindd_domain *domain;

	DEBUG(3, ("[%5lu]: domain_info [%s]\n", (unsigned long)state->pid,
		  state->request.domain_name));

	domain = find_domain_from_name(state->request.domain_name);

	if (domain == NULL) {
		DEBUG(3, ("Did not find domain [%s]\n",
			  state->request.domain_name));
		return WINBINDD_ERROR;
	}

	fstrcpy(state->response.data.domain_info.name, domain->name);
	fstrcpy(state->response.data.domain_info.alt_name, domain->alt_name);
	fstrcpy(state->response.data.domain_info.sid,
		sid_string_static(&domain->sid));
	
	state->response.data.domain_info.native_mode = domain->native_mode;
	state->response.data.domain_info.active_directory = domain->active_directory;
	state->response.data.domain_info.primary = domain->primary;

	state->response.data.domain_info.sequence_number =
		domain->sequence_number;

	return WINBINDD_OK;
}

enum winbindd_result winbindd_ping(struct winbindd_cli_state
						   *state)
{
	DEBUG(3, ("[%5lu]: ping\n", (unsigned long)state->pid));

	return WINBINDD_OK;
}

/* List various tidbits of information */

enum winbindd_result winbindd_info(struct winbindd_cli_state *state)
{

	DEBUG(3, ("[%5lu]: request misc info\n", (unsigned long)state->pid));

	state->response.data.info.winbind_separator = *lp_winbind_separator();
	fstrcpy(state->response.data.info.samba_version, SAMBA_VERSION_STRING);

	return WINBINDD_OK;
}

/* Tell the client the current interface version */

enum winbindd_result winbindd_interface_version(struct winbindd_cli_state *state)
{

	DEBUG(3, ("[%5lu]: request interface version\n", (unsigned long)state->pid));
	
	state->response.data.interface_version = WINBIND_INTERFACE_VERSION;

	return WINBINDD_OK;
}

/* What domain are we a member of? */

enum winbindd_result winbindd_domain_name(struct winbindd_cli_state *state)
{

	DEBUG(3, ("[%5lu]: request domain name\n", (unsigned long)state->pid));
	
	fstrcpy(state->response.data.domain_name, lp_workgroup());

	return WINBINDD_OK;
}

/* What's my name again? */

enum winbindd_result winbindd_netbios_name(struct winbindd_cli_state *state)
{

	DEBUG(3, ("[%5lu]: request netbios name\n", (unsigned long)state->pid));
	
	fstrcpy(state->response.data.netbios_name, global_myname());

	return WINBINDD_OK;
}

/* Where can I find the privilaged pipe? */

enum winbindd_result winbindd_priv_pipe_dir(struct winbindd_cli_state *state)
{

	DEBUG(3, ("[%5lu]: request location of privileged pipe\n", (unsigned long)state->pid));
	
	state->response.extra_data = strdup(get_winbind_priv_pipe_dir());
	if (!state->response.extra_data)
		return WINBINDD_ERROR;

	/* must add one to length to copy the 0 for string termination */
	state->response.length += strlen((char *)state->response.extra_data) + 1;

	return WINBINDD_OK;
}