r11181: Implement wbinfo -s and wbinfo --user-sids. The patch is so large because
[samba.git] / source4 / winbind / wb_samba3_protocol.c
1 /* 
2    Unix SMB/CIFS implementation.
3    Main winbindd samba3 server routines
4
5    Copyright (C) Stefan Metzmacher      2005
6    Copyright (C) Volker Lendecke        2005
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 2 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, write to the Free Software
20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23 #include "includes.h"
24 #include "smbd/service_stream.h"
25 #include "nsswitch/winbind_nss_config.h"
26 #include "nsswitch/winbindd_nss.h"
27 #include "winbind/wb_server.h"
28 #include "winbind/wb_samba3_protocol.h"
29
30 uint32_t wbsrv_samba3_packet_length(DATA_BLOB blob)
31 {
32         uint32_t *len = (uint32_t *)blob.data;
33         return *len;
34 }
35
36 NTSTATUS wbsrv_samba3_pull_request(DATA_BLOB blob, TALLOC_CTX *mem_ctx,
37                                    struct wbsrv_call **_call)
38 {
39         struct wbsrv_call *call;
40         struct wbsrv_samba3_call *s3_call;
41
42         if (blob.length != sizeof(s3_call->request)) {
43                 DEBUG(0,("wbsrv_samba3_pull_request: invalid blob length %u should be %u\n"
44                          " make sure you use the correct winbind client tools!\n",
45                          blob.length, sizeof(s3_call->request)));
46                 return NT_STATUS_INVALID_PARAMETER;
47         }
48
49         call = talloc_zero(mem_ctx, struct wbsrv_call);
50         NT_STATUS_HAVE_NO_MEMORY(call);
51
52         s3_call = talloc_zero(call, struct wbsrv_samba3_call);
53         NT_STATUS_HAVE_NO_MEMORY(s3_call);
54         s3_call->call = call;
55
56         /* the packet layout is the same as the in memory layout of the request, so just copy it */
57         memcpy(&s3_call->request, blob.data, sizeof(s3_call->request));
58
59         call->private_data = s3_call;
60
61         *_call = call;
62         return NT_STATUS_OK;
63 }
64
65 NTSTATUS wbsrv_samba3_handle_call(struct wbsrv_call *call)
66 {
67         struct wbsrv_samba3_call *s3call = talloc_get_type(call->private_data,
68                                                            struct wbsrv_samba3_call);
69
70         DEBUG(10, ("Got winbind samba3 request %d\n", s3call->request.cmd));
71
72         s3call->response.length = sizeof(s3call->response);
73
74         switch(s3call->request.cmd) {
75         case WINBINDD_INTERFACE_VERSION:
76                 return wbsrv_samba3_interface_version(s3call);
77
78         case WINBINDD_CHECK_MACHACC:
79                 return wbsrv_samba3_check_machacc(s3call);
80
81         case WINBINDD_PING:
82                 return wbsrv_samba3_ping(s3call);
83
84         case WINBINDD_INFO:
85                 return wbsrv_samba3_info(s3call);
86
87         case WINBINDD_DOMAIN_NAME:
88                 return wbsrv_samba3_domain_name(s3call);
89
90         case WINBINDD_NETBIOS_NAME:
91                 return wbsrv_samba3_netbios_name(s3call);
92
93         case WINBINDD_PRIV_PIPE_DIR:
94                 return wbsrv_samba3_priv_pipe_dir(s3call);
95
96         case WINBINDD_LOOKUPNAME:
97                 return wbsrv_samba3_lookupname(s3call);
98
99         case WINBINDD_LOOKUPSID:
100                 return wbsrv_samba3_lookupsid(s3call);
101
102         case WINBINDD_PAM_AUTH:
103                 return wbsrv_samba3_pam_auth(s3call);
104
105         case WINBINDD_PAM_AUTH_CRAP:
106                 return wbsrv_samba3_pam_auth_crap(s3call);
107
108         case WINBINDD_GETDCNAME:
109                 return wbsrv_samba3_getdcname(s3call);
110
111         case WINBINDD_GETUSERDOMGROUPS:
112                 return wbsrv_samba3_userdomgroups(s3call);
113
114         case WINBINDD_GETUSERSIDS:
115                 return wbsrv_samba3_usersids(s3call);
116         }
117
118         s3call->response.result = WINBINDD_ERROR;
119         return NT_STATUS_OK;
120 }
121
122 NTSTATUS wbsrv_samba3_push_reply(struct wbsrv_call *call, TALLOC_CTX *mem_ctx, DATA_BLOB *_blob)
123 {
124         struct wbsrv_samba3_call *s3call = talloc_get_type(call->private_data,
125                                                            struct wbsrv_samba3_call);
126         DATA_BLOB blob;
127         uint8_t *extra_data;
128         size_t extra_data_len = 0;
129
130         extra_data = s3call->response.extra_data;
131         if (extra_data) {
132                 extra_data_len = s3call->response.length -
133                         sizeof(s3call->response);
134         }
135
136         blob = data_blob_talloc(mem_ctx, NULL, s3call->response.length);
137         NT_STATUS_HAVE_NO_MEMORY(blob.data);
138
139         /* don't push real pointer values into sockets */
140         if (extra_data) {
141                 s3call->response.extra_data = (void *)0xFFFFFFFF;
142         }
143         memcpy(blob.data, &s3call->response, sizeof(s3call->response));
144         /* set back the pointer */
145         s3call->response.extra_data = extra_data;
146
147         if (extra_data) {
148                 memcpy(blob.data + sizeof(s3call->response), extra_data, extra_data_len);
149         }
150
151         *_blob = blob;
152         return NT_STATUS_OK;
153 }