source: vendor/current/source3/winbindd/winbindd_dsgetdcname.c

Last change on this file was 988, checked in by Silvan Scherrer, 9 years ago

Samba Server: update vendor to version 4.4.3
File size: 5.7 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 async implementation of WINBINDD_DSGETDCNAME
4 Copyright (C) Volker Lendecke 2009
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
18*/
19
20#include "includes.h"
21#include "winbindd.h"
22#include "librpc/gen_ndr/ndr_winbind_c.h"
23
24struct winbindd_dsgetdcname_state {
25 struct GUID guid;
26 struct netr_DsRGetDCNameInfo *dc_info;
27};
28
29static uint32_t get_dsgetdc_flags(uint32_t wbc_flags);
30static void winbindd_dsgetdcname_done(struct tevent_req *subreq);
31
32struct tevent_req *winbindd_dsgetdcname_send(TALLOC_CTX *mem_ctx,
33 struct tevent_context *ev,
34 struct winbindd_cli_state *cli,
35 struct winbindd_request *request)
36{
37 struct tevent_req *req, *subreq;
38 struct winbindd_child *child;
39 struct winbindd_dsgetdcname_state *state;
40 struct GUID *guid_ptr = NULL;
41 uint32_t ds_flags = 0;
42 NTSTATUS status;
43
44 req = tevent_req_create(mem_ctx, &state,
45 struct winbindd_dsgetdcname_state);
46 if (req == NULL) {
47 return NULL;
48 }
49
50 request->data.dsgetdcname.domain_name
51 [sizeof(request->data.dsgetdcname.domain_name)-1] = '\0';
52 request->data.dsgetdcname.site_name
53 [sizeof(request->data.dsgetdcname.site_name)-1] = '\0';
54 request->data.dsgetdcname.domain_guid
55 [sizeof(request->data.dsgetdcname.domain_guid)-1] = '\0';
56
57 DEBUG(3, ("[%5lu]: dsgetdcname for %s\n", (unsigned long)cli->pid,
58 request->data.dsgetdcname.domain_name));
59
60 ds_flags = get_dsgetdc_flags(request->data.dsgetdcname.flags);
61
62 status = GUID_from_string(request->data.dsgetdcname.domain_guid,
63 &state->guid);
64 if (NT_STATUS_IS_OK(status) && !GUID_all_zero(&state->guid)) {
65 guid_ptr = &state->guid;
66 }
67
68 child = locator_child();
69
70 subreq = dcerpc_wbint_DsGetDcName_send(
71 state, ev, child->binding_handle,
72 request->data.dsgetdcname.domain_name, guid_ptr,
73 request->data.dsgetdcname.site_name,
74 ds_flags, &state->dc_info);
75 if (tevent_req_nomem(subreq, req)) {
76 return tevent_req_post(req, ev);
77 }
78 tevent_req_set_callback(subreq, winbindd_dsgetdcname_done, req);
79 return req;
80}
81
82static void winbindd_dsgetdcname_done(struct tevent_req *subreq)
83{
84 struct tevent_req *req = tevent_req_callback_data(
85 subreq, struct tevent_req);
86 struct winbindd_dsgetdcname_state *state = tevent_req_data(
87 req, struct winbindd_dsgetdcname_state);
88 NTSTATUS status, result;
89
90 status = dcerpc_wbint_DsGetDcName_recv(subreq, state, &result);
91 TALLOC_FREE(subreq);
92 if (any_nt_status_not_ok(status, result, &status)) {
93 tevent_req_nterror(req, status);
94 return;
95 }
96 tevent_req_done(req);
97}
98
99NTSTATUS winbindd_dsgetdcname_recv(struct tevent_req *req,
100 struct winbindd_response *response)
101{
102 struct winbindd_dsgetdcname_state *state = tevent_req_data(
103 req, struct winbindd_dsgetdcname_state);
104 struct GUID_txt_buf guid_str_buf;
105 char *guid_str;
106 NTSTATUS status;
107
108 if (tevent_req_is_nterror(req, &status)) {
109 DEBUG(5, ("dsgetdcname failed: %s\n", nt_errstr(status)));
110 return status;
111 }
112
113
114 fstrcpy(response->data.dsgetdcname.dc_unc,
115 state->dc_info->dc_unc);
116 fstrcpy(response->data.dsgetdcname.dc_address,
117 state->dc_info->dc_address);
118 response->data.dsgetdcname.dc_address_type =
119 state->dc_info->dc_address_type;
120
121 guid_str = GUID_buf_string(&state->dc_info->domain_guid,
122 &guid_str_buf);
123 fstrcpy(response->data.dsgetdcname.domain_guid, guid_str);
124
125 fstrcpy(response->data.dsgetdcname.domain_name,
126 state->dc_info->domain_name);
127 fstrcpy(response->data.dsgetdcname.forest_name,
128 state->dc_info->forest_name);
129 response->data.dsgetdcname.dc_flags = state->dc_info->dc_flags;
130 fstrcpy(response->data.dsgetdcname.dc_site_name,
131 state->dc_info->dc_site_name);
132 fstrcpy(response->data.dsgetdcname.client_site_name,
133 state->dc_info->client_site_name);
134
135 return NT_STATUS_OK;
136}
137
138static uint32_t get_dsgetdc_flags(uint32_t wbc_flags)
139{
140 struct wbc_flag_map {
141 uint32_t wbc_dc_flag;
142 uint32_t ds_dc_flags;
143 } lookup_dc_flags[] = {
144 { WBC_LOOKUP_DC_FORCE_REDISCOVERY,
145 DS_FORCE_REDISCOVERY },
146 { WBC_LOOKUP_DC_DS_REQUIRED,
147 DS_DIRECTORY_SERVICE_REQUIRED },
148 { WBC_LOOKUP_DC_DS_PREFERRED,
149 DS_DIRECTORY_SERVICE_PREFERRED},
150 { WBC_LOOKUP_DC_GC_SERVER_REQUIRED,
151 DS_GC_SERVER_REQUIRED },
152 { WBC_LOOKUP_DC_PDC_REQUIRED,
153 DS_PDC_REQUIRED},
154 { WBC_LOOKUP_DC_BACKGROUND_ONLY,
155 DS_BACKGROUND_ONLY },
156 { WBC_LOOKUP_DC_IP_REQUIRED,
157 DS_IP_REQUIRED },
158 { WBC_LOOKUP_DC_KDC_REQUIRED,
159 DS_KDC_REQUIRED },
160 { WBC_LOOKUP_DC_TIMESERV_REQUIRED,
161 DS_TIMESERV_REQUIRED },
162 { WBC_LOOKUP_DC_WRITABLE_REQUIRED,
163 DS_WRITABLE_REQUIRED },
164 { WBC_LOOKUP_DC_GOOD_TIMESERV_PREFERRED,
165 DS_GOOD_TIMESERV_PREFERRED },
166 { WBC_LOOKUP_DC_AVOID_SELF,
167 DS_AVOID_SELF },
168 { WBC_LOOKUP_DC_ONLY_LDAP_NEEDED,
169 DS_ONLY_LDAP_NEEDED },
170 { WBC_LOOKUP_DC_IS_FLAT_NAME,
171 DS_IS_FLAT_NAME },
172 { WBC_LOOKUP_DC_IS_DNS_NAME,
173 DS_IS_DNS_NAME },
174 { WBC_LOOKUP_DC_TRY_NEXTCLOSEST_SITE,
175 DS_TRY_NEXTCLOSEST_SITE },
176 { WBC_LOOKUP_DC_DS_6_REQUIRED,
177 DS_DIRECTORY_SERVICE_6_REQUIRED },
178 { WBC_LOOKUP_DC_RETURN_DNS_NAME,
179 DS_RETURN_DNS_NAME },
180 { WBC_LOOKUP_DC_RETURN_FLAT_NAME,
181 DS_RETURN_FLAT_NAME }
182 };
183
184 uint32_t ds_flags = 0;
185 int i = 0 ;
186
187 for (i=0; i<ARRAY_SIZE(lookup_dc_flags); i++) {
188 if (wbc_flags & lookup_dc_flags[i].wbc_dc_flag) {
189 ds_flags |= lookup_dc_flags[i].ds_dc_flags;
190 }
191 }
192
193 return ds_flags;
194}
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