source: trunk/server/source3/winbindd/winbindd_lookuprids.c

Last change on this file was 745, checked in by Silvan Scherrer, 13 years ago

Samba Server: updated trunk to 3.6.0
File size: 5.2 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 async implementation of WINBINDD_LOOKUPRIDS
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_wbint_c.h"
23#include "../libcli/security/security.h"
24
25struct winbindd_lookuprids_state {
26 struct tevent_context *ev;
27 struct dom_sid domain_sid;
28 const char *domain_name;
29 struct wbint_RidArray rids;
30 struct wbint_Principals names;
31};
32
33static bool parse_ridlist(TALLOC_CTX *mem_ctx, char *ridstr,
34 uint32_t **prids, uint32_t *pnum_rids);
35
36static void winbindd_lookuprids_done(struct tevent_req *subreq);
37
38struct tevent_req *winbindd_lookuprids_send(TALLOC_CTX *mem_ctx,
39 struct tevent_context *ev,
40 struct winbindd_cli_state *cli,
41 struct winbindd_request *request)
42{
43 struct tevent_req *req, *subreq;
44 struct winbindd_lookuprids_state *state;
45 struct winbindd_domain *domain;
46
47 req = tevent_req_create(mem_ctx, &state,
48 struct winbindd_lookuprids_state);
49 if (req == NULL) {
50 return NULL;
51 }
52 state->ev = ev;
53
54 /* Ensure null termination */
55 request->data.sid[sizeof(request->data.sid)-1]='\0';
56
57 DEBUG(3, ("lookuprids (%s)\n", request->data.sid));
58
59 if (!string_to_sid(&state->domain_sid, request->data.sid)) {
60 DEBUG(5, ("%s not a SID\n", request->data.sid));
61 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
62 return tevent_req_post(req, ev);
63 }
64
65 domain = find_lookup_domain_from_sid(&state->domain_sid);
66 if (domain == NULL) {
67 DEBUG(5, ("Domain for sid %s not found\n",
68 sid_string_dbg(&state->domain_sid)));
69 tevent_req_nterror(req, NT_STATUS_NO_SUCH_DOMAIN);
70 return tevent_req_post(req, ev);
71 }
72
73 if (request->extra_data.data[request->extra_len-1] != '\0') {
74 DEBUG(5, ("extra_data not 0-terminated\n"));
75 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
76 return tevent_req_post(req, ev);
77 }
78
79 if (!parse_ridlist(state, request->extra_data.data,
80 &state->rids.rids, &state->rids.num_rids)) {
81 DEBUG(5, ("parse_ridlist failed\n"));
82 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
83 return tevent_req_post(req, ev);
84 }
85
86 subreq = dcerpc_wbint_LookupRids_send(
87 state, ev, dom_child_handle(domain), &state->domain_sid,
88 &state->rids, &state->domain_name, &state->names);
89 if (tevent_req_nomem(subreq, req)) {
90 return tevent_req_post(req, ev);
91 }
92 tevent_req_set_callback(subreq, winbindd_lookuprids_done, req);
93 return req;
94}
95
96static void winbindd_lookuprids_done(struct tevent_req *subreq)
97{
98 struct tevent_req *req = tevent_req_callback_data(
99 subreq, struct tevent_req);
100 struct winbindd_lookuprids_state *state = tevent_req_data(
101 req, struct winbindd_lookuprids_state);
102 NTSTATUS status, result;
103
104 status = dcerpc_wbint_LookupRids_recv(subreq, state, &result);
105 TALLOC_FREE(subreq);
106 if (any_nt_status_not_ok(status, result, &status)) {
107 tevent_req_nterror(req, status);
108 return;
109 }
110 tevent_req_done(req);
111}
112
113NTSTATUS winbindd_lookuprids_recv(struct tevent_req *req,
114 struct winbindd_response *response)
115{
116 struct winbindd_lookuprids_state *state = tevent_req_data(
117 req, struct winbindd_lookuprids_state);
118 NTSTATUS status;
119 char *result;
120 int i;
121
122 if (tevent_req_is_nterror(req, &status)) {
123 DEBUG(5, ("Lookuprids failed: %s\n",nt_errstr(status)));
124 return status;
125 }
126
127 result = talloc_strdup(response, "");
128 if (result == NULL) {
129 return NT_STATUS_NO_MEMORY;
130 }
131
132 for (i=0; i<state->names.num_principals; i++) {
133 struct wbint_Principal *p = &state->names.principals[i];
134
135 result = talloc_asprintf_append_buffer(
136 result, "%d %s\n", (int)p->type, p->name);
137 if (result == NULL) {
138 return NT_STATUS_NO_MEMORY;
139 }
140 }
141
142 fstrcpy(response->data.domain_name, state->domain_name);
143 response->extra_data.data = result;
144 response->length += talloc_get_size(result);
145 return NT_STATUS_OK;
146}
147
148static bool parse_ridlist(TALLOC_CTX *mem_ctx, char *ridstr,
149 uint32_t **prids, uint32_t *pnum_rids)
150{
151 uint32_t i, num_rids;
152 uint32_t *rids;
153 char *p;
154
155 if (ridstr == NULL) {
156 return false;
157 }
158
159 p = ridstr;
160 num_rids = 0;
161
162 /* count rids */
163
164 while ((p = strchr(p, '\n')) != NULL) {
165 p += 1;
166 num_rids += 1;
167 }
168
169 if (num_rids == 0) {
170 *pnum_rids = 0;
171 *prids = NULL;
172 return true;
173 }
174
175 rids = talloc_array(mem_ctx, uint32_t, num_rids);
176 if (rids == NULL) {
177 return false;
178 }
179
180 p = ridstr;
181
182 for (i=0; i<num_rids; i++) {
183 char *q;
184 rids[i] = strtoul(p, &q, 10);
185 if (*q != '\n') {
186 DEBUG(0, ("Got invalid ridstr: %s\n", p));
187 return false;
188 }
189 p = q+1;
190 }
191
192 *pnum_rids = num_rids;
193 *prids = rids;
194 return true;
195}
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