summaryrefslogtreecommitdiff
path: root/source3/winbindd/winbindd_locator.c
blob: b35d8dcf545d55e4212449d321872333074ae3a9 (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
/*
   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 3 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, see <http://www.gnu.org/licenses/>.
*/

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

#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND


static const struct winbindd_child_dispatch_table locator_dispatch_table[];

static struct winbindd_child static_locator_child;

void init_locator_child(void)
{
	setup_child(&static_locator_child,
		    locator_dispatch_table,
		    "log.winbindd", "locator");
}

struct winbindd_child *locator_child(void)
{
	return &static_locator_child;
}

void winbindd_dsgetdcname(struct winbindd_cli_state *state)
{
	state->request->data.dsgetdcname.domain_name
		[sizeof(state->request->data.dsgetdcname.domain_name)-1] = '\0';
	state->request->data.dsgetdcname.site_name
		[sizeof(state->request->data.dsgetdcname.site_name)-1] = '\0';
	state->request->data.dsgetdcname.domain_guid
		[sizeof(state->request->data.dsgetdcname.domain_guid)-1] = '\0';

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

	sendto_child(state, locator_child());
}

struct wbc_flag_map {
	uint32_t wbc_dc_flag;
	uint32_t ds_dc_flags;
};

static uint32_t get_dsgetdc_flags(uint32_t wbc_flags)
{
	struct wbc_flag_map lookup_dc_flags[] = {
		{ WBC_LOOKUP_DC_FORCE_REDISCOVERY, DS_FORCE_REDISCOVERY },
		{ WBC_LOOKUP_DC_DS_REQUIRED, DS_DIRECTORY_SERVICE_REQUIRED },
		{ WBC_LOOKUP_DC_DS_PREFERRED, DS_DIRECTORY_SERVICE_PREFERRED},
		{ WBC_LOOKUP_DC_GC_SERVER_REQUIRED, DS_GC_SERVER_REQUIRED },
		{ WBC_LOOKUP_DC_PDC_REQUIRED,  DS_PDC_REQUIRED},
		{ WBC_LOOKUP_DC_BACKGROUND_ONLY, DS_BACKGROUND_ONLY  },
		{ WBC_LOOKUP_DC_IP_REQUIRED, DS_IP_REQUIRED },
		{ WBC_LOOKUP_DC_KDC_REQUIRED, DS_KDC_REQUIRED },
		{ WBC_LOOKUP_DC_TIMESERV_REQUIRED, DS_TIMESERV_REQUIRED },
		{ WBC_LOOKUP_DC_WRITABLE_REQUIRED,  DS_WRITABLE_REQUIRED },
		{ WBC_LOOKUP_DC_GOOD_TIMESERV_PREFERRED, DS_GOOD_TIMESERV_PREFERRED },
		{ WBC_LOOKUP_DC_AVOID_SELF, DS_AVOID_SELF },
		{ WBC_LOOKUP_DC_ONLY_LDAP_NEEDED, DS_ONLY_LDAP_NEEDED },
		{ WBC_LOOKUP_DC_IS_FLAT_NAME, DS_IS_FLAT_NAME },
		{ WBC_LOOKUP_DC_IS_DNS_NAME, DS_IS_DNS_NAME },
		{ WBC_LOOKUP_DC_TRY_NEXTCLOSEST_SITE, DS_TRY_NEXTCLOSEST_SITE },
		{ WBC_LOOKUP_DC_DS_6_REQUIRED, DS_DIRECTORY_SERVICE_6_REQUIRED },
		{ WBC_LOOKUP_DC_RETURN_DNS_NAME, DS_RETURN_DNS_NAME },
		{ WBC_LOOKUP_DC_RETURN_FLAT_NAME, DS_RETURN_FLAT_NAME }
	};
	uint32_t ds_flags = 0;
	int i = 0 ;
	int num_entries = sizeof(lookup_dc_flags) / sizeof(struct wbc_flag_map);

	for (i=0; i<num_entries; i++) {
		if (wbc_flags & lookup_dc_flags[i].wbc_dc_flag)
			ds_flags |= lookup_dc_flags[i].ds_dc_flags;
	}

	return ds_flags;
}

static enum winbindd_result dual_dsgetdcname(struct winbindd_domain *domain,
					     struct winbindd_cli_state *state)
{
	NTSTATUS result;
	struct netr_DsRGetDCNameInfo *info = NULL;
	uint32_t ds_flags = 0;
	struct GUID guid, *guid_ptr = NULL;
	const char *guid_str = NULL;

	state->request->data.dsgetdcname.domain_name
		[sizeof(state->request->data.dsgetdcname.domain_name)-1] = '\0';
	state->request->data.dsgetdcname.site_name
		[sizeof(state->request->data.dsgetdcname.site_name)-1] = '\0';
	state->request->data.dsgetdcname.domain_guid
		[sizeof(state->request->data.dsgetdcname.domain_guid)-1] = '\0';

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

	ds_flags = get_dsgetdc_flags(state->request->flags);

	result = GUID_from_string(state->request->data.dsgetdcname.domain_guid,
				  &guid);
	if (NT_STATUS_IS_OK(result) && !GUID_all_zero(&guid)) {
		guid_ptr = &guid;
	}

	result = dsgetdcname(state->mem_ctx,
			     winbind_messaging_context(),
			     state->request->data.dsgetdcname.domain_name,
			     guid_ptr,
			     state->request->data.dsgetdcname.site_name,
			     ds_flags,
			     &info);

	if (!NT_STATUS_IS_OK(result)) {
		return WINBINDD_ERROR;
	}

	guid_str = GUID_string(state->mem_ctx, &info->domain_guid);
	if (!guid_str) {
		return WINBINDD_ERROR;
	}

	fstrcpy(state->response->data.dsgetdcname.dc_unc, info->dc_unc);
	fstrcpy(state->response->data.dsgetdcname.dc_address, info->dc_address);
	state->response->data.dsgetdcname.dc_address_type = info->dc_address_type;
	fstrcpy(state->response->data.dsgetdcname.domain_guid, guid_str);
	fstrcpy(state->response->data.dsgetdcname.domain_name, info->domain_name);
	fstrcpy(state->response->data.dsgetdcname.forest_name, info->forest_name);
	state->response->data.dsgetdcname.dc_flags = info->dc_flags;
	fstrcpy(state->response->data.dsgetdcname.dc_site_name, info->dc_site_name);
	fstrcpy(state->response->data.dsgetdcname.client_site_name, info->client_site_name);

	return WINBINDD_OK;
}

static const struct winbindd_child_dispatch_table locator_dispatch_table[] = {
	{
		.name		= "PING",
		.struct_cmd	= WINBINDD_PING,
		.struct_fn	= winbindd_dual_ping,
	},{
		.name		= "DSGETDCNAME",
		.struct_cmd	= WINBINDD_DSGETDCNAME,
		.struct_fn	= dual_dsgetdcname,
	},{
		.name		= "NDRCMD",
		.struct_cmd	= WINBINDD_DUAL_NDRCMD,
		.struct_fn	= winbindd_dual_ndrcmd,
	},{
		.name		= NULL,
	}
};