s4-idmap: Add mapping using uidNumber and gidNumber like idmap_ad
[samba.git] / source4 / winbind / wb_cmd_getgrnam.c
1 /*
2    Unix SMB/CIFS implementation.
3
4    Command backend for wbinfo --group-info
5
6    Copyright (C) Kai Blin 2008
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_helper.h"
26 #include "smbd/service_task.h"
27
28 struct cmd_getgrnam_state {
29         struct composite_context *ctx;
30         struct wbsrv_service *service;
31         char *name;
32         char *workgroup_name;
33         struct dom_sid *group_sid;
34
35         struct winbindd_gr *result;
36 };
37
38 static void cmd_getgrnam_recv_domain(struct composite_context *ctx);
39 static void cmd_getgrnam_recv_group_info(struct composite_context *ctx);
40 static void cmd_getgrnam_recv_gid(struct composite_context *ctx);
41
42 struct composite_context *wb_cmd_getgrnam_send(TALLOC_CTX *mem_ctx,
43                                                  struct wbsrv_service *service,
44                                                  const char *name)
45 {
46         struct composite_context *result, *ctx;
47         struct cmd_getgrnam_state *state;
48
49         DEBUG(5, ("wb_cmd_getgrnam_send called\n"));
50
51         result = composite_create(mem_ctx, service->task->event_ctx);
52         if (!result) return NULL;
53
54         state = talloc(result, struct cmd_getgrnam_state);
55         if (composite_nomem(state, result)) return result;
56         state->ctx = result;
57         result->private_data = state;
58         state->service = service;
59         state->name = talloc_strdup(state, name);
60         if(composite_nomem(state->name, result)) return result;
61
62         ctx = wb_name2domain_send(state, service, name);
63         if (composite_nomem(ctx, result)) return result;
64
65         composite_continue(result, ctx, cmd_getgrnam_recv_domain, state);
66         return result;
67 }
68
69 static void cmd_getgrnam_recv_domain(struct composite_context *ctx)
70 {
71         struct cmd_getgrnam_state *state = talloc_get_type(
72                         ctx->async.private_data, struct cmd_getgrnam_state);
73         struct wbsrv_domain *domain;
74         struct libnet_GroupInfo *group_info;
75         char *group_dom, *group_name;
76         bool ok;
77
78         state->ctx->status = wb_name2domain_recv(ctx, &domain);
79         if(!composite_is_ok(state->ctx)) return;
80
81         group_info = talloc(state, struct libnet_GroupInfo);
82         if (composite_nomem(group_info, state->ctx)) return;
83
84         ok = wb_samba3_split_username(state, state->service->task->lp_ctx,
85                                       state->name, &group_dom, &group_name);
86         if(!ok){
87                 composite_error(state->ctx, NT_STATUS_OBJECT_NAME_INVALID);
88                 return;
89         }
90
91         group_info->in.level = GROUP_INFO_BY_NAME;
92         group_info->in.data.group_name = group_name;
93         group_info->in.domain_name = group_dom;
94         state->workgroup_name = talloc_strdup(state, group_dom);
95         if(composite_nomem(state->workgroup_name, state->ctx)) return;
96
97         ctx = libnet_GroupInfo_send(domain->libnet_ctx, state, group_info,NULL);
98
99         composite_continue(state->ctx, ctx, cmd_getgrnam_recv_group_info,state);
100 }
101
102 static void cmd_getgrnam_recv_group_info(struct composite_context *ctx)
103 {
104         struct cmd_getgrnam_state *state = talloc_get_type(
105                         ctx->async.private_data, struct cmd_getgrnam_state);
106         struct libnet_GroupInfo *group_info;
107         struct winbindd_gr *gr;
108
109         DEBUG(5, ("cmd_getgrnam_recv_group_info called\n"));
110
111         group_info = talloc(state, struct libnet_GroupInfo);
112         if(composite_nomem(group_info, state->ctx)) return;
113
114         gr = talloc(state, struct winbindd_gr);
115         if(composite_nomem(gr, state->ctx)) return;
116
117         state->ctx->status = libnet_GroupInfo_recv(ctx, state, group_info);
118         if(!composite_is_ok(state->ctx)) return;
119
120         WBSRV_SAMBA3_SET_STRING(gr->gr_name, group_info->out.group_name);
121         WBSRV_SAMBA3_SET_STRING(gr->gr_passwd, "*");
122         gr->num_gr_mem = group_info->out.num_members;
123         gr->gr_mem_ofs = 0;
124
125         state->result = gr;
126
127         ctx = wb_sid2gid_send(state, state->service, group_info->out.group_sid);
128         composite_continue(state->ctx, ctx, cmd_getgrnam_recv_gid, state);
129 }
130
131 static void cmd_getgrnam_recv_gid(struct composite_context *ctx)
132 {
133         struct cmd_getgrnam_state *state = talloc_get_type(
134                         ctx->async.private_data, struct cmd_getgrnam_state);
135         gid_t gid;
136
137         DEBUG(5, ("cmd_getgrnam_recv_gid called\n"));
138
139         state->ctx->status = wb_sid2gid_recv(ctx, &gid);
140         if(!composite_is_ok(state->ctx)) return;
141
142         state->result->gr_gid = gid;
143
144         composite_done(state->ctx);
145 }
146
147 NTSTATUS wb_cmd_getgrnam_recv(struct composite_context *ctx,
148                 TALLOC_CTX *mem_ctx, struct winbindd_gr **gr)
149 {
150         NTSTATUS status = composite_wait(ctx);
151
152         DEBUG(5, ("wb_cmd_getgrnam_recv called\n"));
153
154         if (NT_STATUS_IS_OK(status)) {
155                 struct cmd_getgrnam_state *state =
156                         talloc_get_type(ctx->private_data,
157                                         struct cmd_getgrnam_state);
158                 *gr = talloc_steal(mem_ctx, state->result);
159         }
160         talloc_free(ctx);
161         return status;
162
163 }
164