2 Unix SMB/CIFS implementation.
4 Find and init a domain struct for a SID
6 Copyright (C) Volker Lendecke 2005
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include "libcli/composite/composite.h"
25 #include "winbind/wb_server.h"
26 #include "smbd/service_task.h"
27 #include "winbind/wb_async_helpers.h"
28 #include "include/dlinklist.h"
30 static struct wbsrv_domain *find_domain_from_sid(struct wbsrv_service *service,
31 const struct dom_sid *sid)
33 struct wbsrv_domain *domain;
35 for (domain = service->domains; domain!=NULL; domain = domain->next) {
36 if (dom_sid_equal(domain->info->sid, sid)) {
39 if (dom_sid_in_domain(domain->info->sid, sid)) {
46 struct sid2domain_state {
47 struct composite_context *ctx;
48 struct wbsrv_service *service;
51 struct wbsrv_domain *domain;
54 static void sid2domain_recv_dom_info(struct composite_context *ctx);
55 static void sid2domain_recv_name(struct composite_context *ctx);
56 static void sid2domain_recv_trusted_dom_info(struct composite_context *ctx);
57 static void sid2domain_recv_init(struct composite_context *ctx);
59 struct composite_context *wb_sid2domain_send(TALLOC_CTX *mem_ctx,
60 struct wbsrv_service *service,
61 const struct dom_sid *sid)
63 struct composite_context *result, *ctx;
64 struct sid2domain_state *state;
66 result = talloc_zero(mem_ctx, struct composite_context);
67 if (result == NULL) goto failed;
68 result->state = COMPOSITE_STATE_IN_PROGRESS;
69 result->async.fn = NULL;
70 result->event_ctx = service->task->event_ctx;
72 state = talloc(result, struct sid2domain_state);
73 if (state == NULL) goto failed;
75 result->private_data = state;
77 state->service = service;
78 state->sid = dom_sid_dup(state, sid);
79 if (state->sid == NULL) goto failed;
81 state->domain = find_domain_from_sid(service, sid);
82 if (state->domain != NULL) {
83 result->status = NT_STATUS_OK;
84 composite_done(result);
88 if (dom_sid_equal(service->primary_sid, sid) ||
89 dom_sid_in_domain(service->primary_sid, sid)) {
90 ctx = wb_get_dom_info_send(state, service, lp_workgroup(),
91 service->primary_sid);
92 if (ctx == NULL) goto failed;
93 ctx->async.fn = sid2domain_recv_dom_info;
94 ctx->async.private_data = state;
98 ctx = wb_cmd_lookupsid_send(state, service, state->sid);
99 if (ctx == NULL) goto failed;
100 ctx->async.fn = sid2domain_recv_name;
101 ctx->async.private_data = state;
110 static void sid2domain_recv_dom_info(struct composite_context *ctx)
112 struct sid2domain_state *state =
113 talloc_get_type(ctx->async.private_data,
114 struct sid2domain_state);
115 struct wb_dom_info *info;
117 state->ctx->status = wb_get_dom_info_recv(ctx, state, &info);
118 if (!composite_is_ok(state->ctx)) return;
120 ctx = wb_init_domain_send(state, state->service, info);
122 composite_continue(state->ctx, ctx, sid2domain_recv_init, state);
125 static void sid2domain_recv_name(struct composite_context *ctx)
127 struct sid2domain_state *state =
128 talloc_get_type(ctx->async.private_data,
129 struct sid2domain_state);
130 struct wb_sid_object *name;
132 state->ctx->status = wb_cmd_lookupsid_recv(ctx, state, &name);
133 if (!composite_is_ok(state->ctx)) return;
135 if (name->type == SID_NAME_UNKNOWN) {
136 composite_error(state->ctx, NT_STATUS_NO_SUCH_DOMAIN);
140 if (name->type != SID_NAME_DOMAIN) {
141 state->sid->num_auths -= 1;
144 ctx = wb_trusted_dom_info_send(state, state->service, name->domain,
147 composite_continue(state->ctx, ctx, sid2domain_recv_trusted_dom_info,
151 static void sid2domain_recv_trusted_dom_info(struct composite_context *ctx)
153 struct sid2domain_state *state =
154 talloc_get_type(ctx->async.private_data,
155 struct sid2domain_state);
156 struct wb_dom_info *info;
158 state->ctx->status = wb_trusted_dom_info_recv(ctx, state, &info);
159 if (!composite_is_ok(state->ctx)) return;
161 ctx = wb_init_domain_send(state, state->service, info);
163 composite_continue(state->ctx, ctx, sid2domain_recv_init, state);
166 static void sid2domain_recv_init(struct composite_context *ctx)
168 struct sid2domain_state *state =
169 talloc_get_type(ctx->async.private_data,
170 struct sid2domain_state);
171 struct wbsrv_domain *existing;
173 state->ctx->status = wb_init_domain_recv(ctx, state,
175 if (!composite_is_ok(state->ctx)) {
176 DEBUG(10, ("Could not init domain\n"));
180 existing = find_domain_from_sid(state->service, state->sid);
181 if (existing != NULL) {
182 DEBUG(5, ("Initialized domain twice, dropping second one\n"));
183 talloc_free(state->domain);
184 state->domain = existing;
187 talloc_steal(state->service, state->domain);
188 DLIST_ADD(state->service->domains, state->domain);
190 composite_done(state->ctx);
193 NTSTATUS wb_sid2domain_recv(struct composite_context *ctx,
194 struct wbsrv_domain **result)
196 NTSTATUS status = composite_wait(ctx);
197 if (NT_STATUS_IS_OK(status)) {
198 struct sid2domain_state *state =
199 talloc_get_type(ctx->private_data,
200 struct sid2domain_state);
201 *result = state->domain;
207 NTSTATUS wb_sid2domain(TALLOC_CTX *mem_ctx, struct wbsrv_service *service,
208 const struct dom_sid *sid,
209 struct wbsrv_domain **result)
211 struct composite_context *c = wb_sid2domain_send(mem_ctx, service,
213 return wb_sid2domain_recv(c, result);