summaryrefslogtreecommitdiff
path: root/source3/nsswitch/winbindd_misc.c
blob: 883f9a4e22fc32cde9a24dec8b32d9090cc7d478 (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
/* 
   Unix SMB/Netbios implementation.
   Version 2.0

   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 "winbindd.h"

extern pstring global_myname;

/************************************************************************
 Routine to get the trust account password for a domain
************************************************************************/
static BOOL _get_trust_account_password(char *domain, unsigned char *ret_pwd, 
					time_t *pass_last_set_time)
{
	if (!secrets_fetch_trust_account_password(domain, ret_pwd, pass_last_set_time)) {
                return False;
	}

	return True;
}

/* 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;
	DEBUG(3, ("[%5d]: check machine account\n", state->pid));

	/* Get trust account password */

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

        /* This call does a cli_nt_setup_creds() which implicitly checks
           the trust account password. */

        result = cm_get_netlogon_cli(lp_workgroup(), trust_passwd, &cli);

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

        cli_shutdown(cli);

        /* There is a race condition between fetching the trust account
           password and joining the domain 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.num_entries = NT_STATUS_V(result);

	return WINBINDD_OK;
}

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, ("[%5d]: list trusted domains\n", 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. */

	init_domain_list();

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

		/* Skip own domain */

		if (strequal(domain->name, lp_workgroup())) 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_ping(struct winbindd_cli_state
						   *state)
{
	DEBUG(3, ("[%5d]: ping\n", state->pid));

	return WINBINDD_OK;
}

/* List various tidbits of information */

enum winbindd_result winbindd_info(struct winbindd_cli_state *state)
{

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

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

	return WINBINDD_OK;
}

/* List various tidbits of information */

enum winbindd_result winbindd_interface_version(struct winbindd_cli_state *state)
{

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

	return WINBINDD_OK;
}