1/*
2   Unix SMB/CIFS implementation.
3
4   Command backend for wbinfo -i
5
6   Copyright (C) Kai Blin 2007
7
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 3 of the License, or
11   (at your option) any later version.
12
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.
17
18   You should have received a copy of the GNU General Public License
19   along with this program.  If not, see <http://www.gnu.org/licenses/>.
20*/
21
22#include "includes.h"
23#include "libcli/composite/composite.h"
24#include "winbind/wb_server.h"
25#include "winbind/wb_async_helpers.h"
26#include "param/param.h"
27#include "winbind/wb_helper.h"
28#include "smbd/service_task.h"
29#include "libnet/libnet_proto.h"
30#include "libcli/security/security.h"
31
32struct cmd_getpwnam_state {
33	struct composite_context *ctx;
34	struct wbsrv_service *service;
35	char *name;
36	char *workgroup_name;
37	struct dom_sid *group_sid;
38
39	struct winbindd_pw *result;
40};
41
42static void cmd_getpwnam_recv_domain(struct composite_context *ctx);
43static void cmd_getpwnam_recv_user_info(struct composite_context *ctx);
44static void cmd_getpwnam_recv_uid(struct composite_context *ctx);
45static void cmd_getpwnam_recv_gid(struct composite_context *ctx);
46
47struct composite_context *wb_cmd_getpwnam_send(TALLOC_CTX *mem_ctx,
48						 struct wbsrv_service *service,
49						 const char *name)
50{
51	struct composite_context *result, *ctx;
52	struct cmd_getpwnam_state *state;
53
54	DEBUG(5, ("wb_cmd_getpwnam_send called\n"));
55
56	result = composite_create(mem_ctx, service->task->event_ctx);
57	if (!result) return NULL;
58
59	state = talloc(result, struct cmd_getpwnam_state);
60	if (composite_nomem(state, result)) return result;
61	state->ctx = result;
62	result->private_data = state;
63	state->service = service;
64	state->name = talloc_strdup(state, name);
65	if(composite_nomem(state->name, result)) return result;
66
67	ctx = wb_name2domain_send(state, service, name);
68	if (composite_nomem(ctx, result)) return result;
69
70	composite_continue(result, ctx, cmd_getpwnam_recv_domain, state);
71	return result;
72}
73
74static void cmd_getpwnam_recv_domain(struct composite_context *ctx)
75{
76	struct cmd_getpwnam_state *state = talloc_get_type(
77			ctx->async.private_data, struct cmd_getpwnam_state);
78	struct wbsrv_domain *domain;
79	struct libnet_UserInfo *user_info;
80	char *user_dom, *user_name;
81	bool ok;
82
83	state->ctx->status = wb_name2domain_recv(ctx, &domain);
84	if(!composite_is_ok(state->ctx)) return;
85
86	user_info = talloc(state, struct libnet_UserInfo);
87	if (composite_nomem(user_info, state->ctx)) return;
88
89	ok= wb_samba3_split_username(state, state->service->task->lp_ctx, state->name, &user_dom, &user_name);
90	if(!ok){
91		composite_error(state->ctx, NT_STATUS_OBJECT_NAME_INVALID);
92		return;
93	}
94
95	user_info->in.level = USER_INFO_BY_NAME;
96	user_info->in.data.user_name = user_name;
97	user_info->in.domain_name = domain->libnet_ctx->samr.name;
98	state->workgroup_name = talloc_strdup(state,
99			domain->libnet_ctx->samr.name);
100	if(composite_nomem(state->workgroup_name, state->ctx)) return;
101
102	ctx = libnet_UserInfo_send(domain->libnet_ctx, state, user_info, NULL);
103
104	composite_continue(state->ctx, ctx, cmd_getpwnam_recv_user_info, state);
105}
106
107static void cmd_getpwnam_recv_user_info(struct composite_context *ctx)
108{
109	struct cmd_getpwnam_state *state = talloc_get_type(
110			ctx->async.private_data, struct cmd_getpwnam_state);
111	struct libnet_UserInfo *user_info;
112	struct winbindd_pw *pw;
113
114	DEBUG(5, ("cmd_getpwnam_recv_user_info called\n"));
115
116	user_info = talloc(state, struct libnet_UserInfo);
117	if(composite_nomem(user_info, state->ctx)) return;
118
119	pw = talloc(state, struct winbindd_pw);
120	if(composite_nomem(pw, state->ctx)) return;
121
122	state->ctx->status = libnet_UserInfo_recv(ctx, state, user_info);
123	if(!composite_is_ok(state->ctx)) return;
124
125	WBSRV_SAMBA3_SET_STRING(pw->pw_name, user_info->out.account_name);
126	WBSRV_SAMBA3_SET_STRING(pw->pw_passwd, "*");
127	WBSRV_SAMBA3_SET_STRING(pw->pw_gecos, user_info->out.full_name);
128	WBSRV_SAMBA3_SET_STRING(pw->pw_dir,
129		lp_template_homedir(state->service->task->lp_ctx));
130	all_string_sub(pw->pw_dir, "%WORKGROUP%", state->workgroup_name,
131			sizeof(fstring) - 1);
132	all_string_sub(pw->pw_dir, "%ACCOUNTNAME%", user_info->out.account_name,
133			sizeof(fstring) - 1);
134	WBSRV_SAMBA3_SET_STRING(pw->pw_shell,
135		lp_template_shell(state->service->task->lp_ctx));
136
137	state->group_sid = dom_sid_dup(state, user_info->out.primary_group_sid);
138	if(composite_nomem(state->group_sid, state->ctx)) return;
139
140	state->result = pw;
141
142	ctx = wb_sid2uid_send(state, state->service, user_info->out.user_sid);
143	composite_continue(state->ctx, ctx, cmd_getpwnam_recv_uid, state);
144}
145
146static void cmd_getpwnam_recv_uid(struct composite_context *ctx)
147{
148	struct cmd_getpwnam_state *state = talloc_get_type(
149			ctx->async.private_data, struct cmd_getpwnam_state);
150	uid_t uid;
151
152	DEBUG(5, ("cmd_getpwnam_recv_uid called\n"));
153
154	state->ctx->status = wb_sid2uid_recv(ctx, &uid);
155	if(!composite_is_ok(state->ctx)) return;
156
157	state->result->pw_uid = uid;
158
159	ctx = wb_sid2gid_send(state, state->service, state->group_sid);
160	composite_continue(state->ctx, ctx, cmd_getpwnam_recv_gid, state);
161}
162
163static void cmd_getpwnam_recv_gid(struct composite_context *ctx)
164{
165	struct cmd_getpwnam_state *state = talloc_get_type(
166			ctx->async.private_data, struct cmd_getpwnam_state);
167	gid_t gid;
168
169	DEBUG(5, ("cmd_getpwnam_recv_gid called\n"));
170
171	state->ctx->status = wb_sid2gid_recv(ctx, &gid);
172	if(!composite_is_ok(state->ctx)) return;
173
174	state->result->pw_gid = gid;
175
176	composite_done(state->ctx);
177}
178
179NTSTATUS wb_cmd_getpwnam_recv(struct composite_context *ctx,
180		TALLOC_CTX *mem_ctx, struct winbindd_pw **pw)
181{
182	NTSTATUS status = composite_wait(ctx);
183
184	DEBUG(5, ("wb_cmd_getpwnam_recv called\n"));
185
186	if (NT_STATUS_IS_OK(status)) {
187		struct cmd_getpwnam_state *state =
188			talloc_get_type(ctx->private_data,
189					struct cmd_getpwnam_state);
190		*pw = talloc_steal(mem_ctx, state->result);
191	}
192	talloc_free(ctx);
193	return status;
194
195}
196
197