source: branches/samba-3.5.x/source4/winbind/wb_cmd_getpwuid.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 15 years ago

Samba 3.5.0: Initial import
File size: 6.0 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3
4 Backend for getpwuid
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 "winbind/wb_helper.h"
27#include "smbd/service_task.h"
28#include "libnet/libnet_proto.h"
29#include "param/param.h"
30#include "libcli/security/proto.h"
31#include "auth/credentials/credentials.h"
32
33struct cmd_getpwuid_state {
34 struct composite_context *ctx;
35 struct wbsrv_service *service;
36 uid_t uid;
37 struct dom_sid *sid;
38 char *workgroup;
39 struct wbsrv_domain *domain;
40
41 struct winbindd_pw *result;
42};
43
44static void cmd_getpwuid_recv_sid(struct composite_context *ctx);
45static void cmd_getpwuid_recv_domain(struct composite_context *ctx);
46static void cmd_getpwuid_recv_user_info(struct composite_context *ctx);
47static void cmd_getpwuid_recv_gid(struct composite_context *ctx);
48
49/* Get the SID using the uid */
50
51struct composite_context *wb_cmd_getpwuid_send(TALLOC_CTX *mem_ctx,
52 struct wbsrv_service *service,
53 uid_t uid)
54{
55 struct composite_context *ctx, *result;
56 struct cmd_getpwuid_state *state;
57
58 DEBUG(5, ("wb_cmd_getpwuid_send called\n"));
59
60 result = composite_create(mem_ctx, service->task->event_ctx);
61 if (!result) return NULL;
62
63 state = talloc(result, struct cmd_getpwuid_state);
64 if (composite_nomem(state, result)) return result;
65 state->ctx = result;
66 result->private_data = state;
67 state->service = service;
68 state->uid = uid;
69
70 ctx = wb_uid2sid_send(state, service, uid);
71 if (composite_nomem(ctx, state->ctx)) return result;
72
73 composite_continue(result, ctx, cmd_getpwuid_recv_sid, state);
74 return result;
75}
76
77
78/* Receive the sid and get the domain structure with it */
79
80static void cmd_getpwuid_recv_sid(struct composite_context *ctx)
81{
82 struct cmd_getpwuid_state *state =
83 talloc_get_type(ctx->async.private_data,
84 struct cmd_getpwuid_state);
85
86 DEBUG(5, ("cmd_getpwuid_recv_sid called %p\n", ctx->private_data));
87
88 state->ctx->status = wb_uid2sid_recv(ctx, state, &state->sid);
89 if (!composite_is_ok(state->ctx)) return;
90
91 ctx = wb_sid2domain_send(state, state->service, state->sid);
92
93 composite_continue(state->ctx, ctx, cmd_getpwuid_recv_domain, state);
94}
95
96/* Receive the domain struct and call libnet to get the user info struct */
97
98static void cmd_getpwuid_recv_domain(struct composite_context *ctx)
99{
100 struct cmd_getpwuid_state *state =
101 talloc_get_type(ctx->async.private_data,
102 struct cmd_getpwuid_state);
103 struct libnet_UserInfo *user_info;
104
105 DEBUG(5, ("cmd_getpwuid_recv_domain called\n"));
106
107 state->ctx->status = wb_sid2domain_recv(ctx, &state->domain);
108 if (!composite_is_ok(state->ctx)) return;
109
110 user_info = talloc(state, struct libnet_UserInfo);
111 if (composite_nomem(user_info, state->ctx)) return;
112
113 user_info->in.level = USER_INFO_BY_SID;
114 user_info->in.data.user_sid = state->sid;
115 user_info->in.domain_name = state->domain->libnet_ctx->samr.name;
116
117 /* We need the workgroup later, so copy it */
118 state->workgroup = talloc_strdup(state,
119 state->domain->libnet_ctx->samr.name);
120 if (composite_nomem(state->workgroup, state->ctx)) return;
121
122 ctx = libnet_UserInfo_send(state->domain->libnet_ctx, state, user_info,
123 NULL);
124
125 composite_continue(state->ctx, ctx, cmd_getpwuid_recv_user_info, state);
126}
127
128/* Receive the user info struct and get the gid for the user */
129
130static void cmd_getpwuid_recv_user_info(struct composite_context *ctx)
131{
132 struct cmd_getpwuid_state *state =
133 talloc_get_type(ctx->async.private_data,
134 struct cmd_getpwuid_state);
135 struct libnet_UserInfo *user_info;
136 struct winbindd_pw *pw;
137
138 DEBUG(5, ("cmd_getpwuid_recv_user_info called\n"));
139
140 pw = talloc(state, struct winbindd_pw);
141 if (composite_nomem(pw, state->ctx)) return;
142
143 user_info = talloc(state, struct libnet_UserInfo);
144 if(composite_nomem(user_info, state->ctx)) return;
145
146 state->ctx->status = libnet_UserInfo_recv(ctx, state, user_info);
147 if (!composite_is_ok(state->ctx)) return;
148
149 WBSRV_SAMBA3_SET_STRING(pw->pw_name, user_info->out.account_name);
150 WBSRV_SAMBA3_SET_STRING(pw->pw_passwd, "*");
151 WBSRV_SAMBA3_SET_STRING(pw->pw_gecos, user_info->out.full_name);
152 WBSRV_SAMBA3_SET_STRING(pw->pw_dir,
153 lp_template_homedir(state->service->task->lp_ctx));
154 all_string_sub(pw->pw_dir, "%WORKGROUP%", state->workgroup,
155 sizeof(fstring) - 1);
156 all_string_sub(pw->pw_dir, "%ACCOUNTNAME%", user_info->out.account_name,
157 sizeof(fstring) - 1);
158 WBSRV_SAMBA3_SET_STRING(pw->pw_shell,
159 lp_template_shell(state->service->task->lp_ctx));
160
161 pw->pw_uid = state->uid;
162
163 state->result = pw;
164
165 ctx = wb_sid2gid_send(state, state->service,
166 user_info->out.primary_group_sid);
167
168 composite_continue(state->ctx, ctx, cmd_getpwuid_recv_gid, state);
169}
170
171static void cmd_getpwuid_recv_gid(struct composite_context *ctx)
172{
173 struct cmd_getpwuid_state *state =
174 talloc_get_type(ctx->async.private_data,
175 struct cmd_getpwuid_state);
176 gid_t gid;
177
178 DEBUG(5, ("cmd_getpwuid_recv_gid called\n"));
179
180 state->ctx->status = wb_sid2gid_recv(ctx, &gid);
181 if (!composite_is_ok(state->ctx)) return;
182
183 state->result->pw_gid = gid;
184
185 composite_done(state->ctx);
186}
187
188NTSTATUS wb_cmd_getpwuid_recv(struct composite_context *ctx,
189 TALLOC_CTX *mem_ctx, struct winbindd_pw **pw)
190{
191 NTSTATUS status = composite_wait(ctx);
192
193 DEBUG(5, ("wb_cmd_getpwuid_recv called\n"));
194
195 if (NT_STATUS_IS_OK(status)) {
196 struct cmd_getpwuid_state *state =
197 talloc_get_type(ctx->private_data,
198 struct cmd_getpwuid_state);
199 *pw = talloc_steal(mem_ctx, state->result);
200 }
201 talloc_free(ctx);
202 return status;
203
204}
205
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