s4: fix various warnings (not "const" related ones)
[sfrench/samba-autobuild/.git] / source4 / winbind / wb_cmd_getgrgid.c
1 /*
2    Unix SMB/CIFS implementation.
3
4    Backend for getgrgid
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/security.h"
31 #include "auth/credentials/credentials.h"
32
33 struct cmd_getgrgid_state {
34         struct composite_context *ctx;
35         struct wbsrv_service *service;
36         gid_t gid;
37         struct dom_sid *sid;
38         char *workgroup;
39         struct wbsrv_domain *domain;
40
41         struct winbindd_gr *result;
42 };
43
44 static void cmd_getgrgid_recv_sid(struct composite_context *ctx);
45 static void cmd_getgrgid_recv_domain(struct composite_context *ctx);
46 static void cmd_getgrgid_recv_group_info(struct composite_context *ctx);
47
48 /* Get the SID using the gid */
49
50 struct composite_context *wb_cmd_getgrgid_send(TALLOC_CTX *mem_ctx,
51                                                  struct wbsrv_service *service,
52                                                  gid_t gid)
53 {
54         struct composite_context *ctx, *result;
55         struct cmd_getgrgid_state *state;
56
57         DEBUG(5, ("wb_cmd_getgrgid_send called\n"));
58
59         result = composite_create(mem_ctx, service->task->event_ctx);
60         if (!result) return NULL;
61
62         state = talloc(result, struct cmd_getgrgid_state);
63         if (composite_nomem(state, result)) return result;
64         state->ctx = result;
65         result->private_data = state;
66         state->service = service;
67         state->gid = gid;
68
69         ctx = wb_gid2sid_send(state, service, gid);
70         if (composite_nomem(ctx, state->ctx)) return result;
71
72         composite_continue(result, ctx, cmd_getgrgid_recv_sid, state);
73         return result;
74 }
75
76
77 /* Receive the sid and get the domain structure with it */
78
79 static void cmd_getgrgid_recv_sid(struct composite_context *ctx)
80 {
81         struct cmd_getgrgid_state *state =
82                 talloc_get_type(ctx->async.private_data,
83                                 struct cmd_getgrgid_state);
84
85         DEBUG(5, ("cmd_getgrgid_recv_sid called %p\n", ctx->private_data));
86
87         state->ctx->status = wb_gid2sid_recv(ctx, state, &state->sid);
88         if (!composite_is_ok(state->ctx)) return;
89
90         ctx = wb_sid2domain_send(state, state->service, state->sid);
91
92         composite_continue(state->ctx, ctx, cmd_getgrgid_recv_domain, state);
93 }
94
95 /* Receive the domain struct and call libnet to get the user info struct */
96
97 static void cmd_getgrgid_recv_domain(struct composite_context *ctx)
98 {
99         struct cmd_getgrgid_state *state =
100                 talloc_get_type(ctx->async.private_data,
101                                 struct cmd_getgrgid_state);
102         struct libnet_GroupInfo *group_info;
103
104         DEBUG(5, ("cmd_getgrgid_recv_domain called\n"));
105
106         state->ctx->status = wb_sid2domain_recv(ctx, &state->domain);
107         if (!composite_is_ok(state->ctx)) return;
108
109         group_info = talloc(state, struct libnet_GroupInfo);
110         if (composite_nomem(group_info, state->ctx)) return;
111
112         group_info->in.level = GROUP_INFO_BY_SID;
113         group_info->in.data.group_sid = state->sid;
114         group_info->in.domain_name = state->domain->libnet_ctx->samr.name;
115
116         /* We need the workgroup later, so copy it  */
117         state->workgroup = talloc_strdup(state,
118                         state->domain->libnet_ctx->samr.name);
119         if (composite_nomem(state->workgroup, state->ctx)) return;
120
121         ctx = libnet_GroupInfo_send(state->domain->libnet_ctx, state,group_info,
122                         NULL);
123
124         composite_continue(state->ctx, ctx, cmd_getgrgid_recv_group_info,state);
125 }
126
127 /* Receive the group info struct */
128
129 static void cmd_getgrgid_recv_group_info(struct composite_context *ctx)
130 {
131         struct cmd_getgrgid_state *state =
132                 talloc_get_type(ctx->async.private_data,
133                                 struct cmd_getgrgid_state);
134         struct libnet_GroupInfo *group_info;
135         struct winbindd_gr *gr;
136
137         DEBUG(5, ("cmd_getgrgid_recv_group_info called\n"));
138
139         gr = talloc(state, struct winbindd_gr);
140         if (composite_nomem(gr, state->ctx)) return;
141
142         group_info = talloc(state, struct libnet_GroupInfo);
143         if(composite_nomem(group_info, state->ctx)) return;
144
145         state->ctx->status = libnet_GroupInfo_recv(ctx, state, group_info);
146         if (!composite_is_ok(state->ctx)) return;
147
148         WBSRV_SAMBA3_SET_STRING(gr->gr_name, group_info->out.group_name);
149         WBSRV_SAMBA3_SET_STRING(gr->gr_passwd, "*");
150
151         gr->gr_gid = state->gid;
152
153         state->result = gr;
154
155         composite_done(state->ctx);
156 }
157
158 NTSTATUS wb_cmd_getgrgid_recv(struct composite_context *ctx,
159                 TALLOC_CTX *mem_ctx, struct winbindd_gr **gr)
160 {
161         NTSTATUS status = composite_wait(ctx);
162
163         DEBUG(5, ("wb_cmd_getgrgid_recv called\n"));
164
165         DEBUG(5, ("status is %s\n", nt_errstr(status)));
166
167         if (NT_STATUS_IS_OK(status)) {
168                 struct cmd_getgrgid_state *state =
169                         talloc_get_type(ctx->private_data,
170                                         struct cmd_getgrgid_state);
171                 *gr = talloc_steal(mem_ctx, state->result);
172         }
173         talloc_free(ctx);
174         return status;
175
176 }
177