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 %lu should be %lu\n"
  44                          " make sure you use the correct winbind client tools!\n",
  45                          (long)blob.length, (long)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 #if 0
  79         case WINBINDD_CHECK_MACHACC:
  80                 return wbsrv_samba3_check_machacc(s3call);
  81 #endif
  82
  83         case WINBINDD_PING:
  84                 return wbsrv_samba3_ping(s3call);
  85
  86         case WINBINDD_INFO:
  87                 return wbsrv_samba3_info(s3call);
  88
  89         case WINBINDD_DOMAIN_NAME:
  90                 return wbsrv_samba3_domain_name(s3call);
  91
  92         case WINBINDD_NETBIOS_NAME:
  93                 return wbsrv_samba3_netbios_name(s3call);
  94
  95         case WINBINDD_PRIV_PIPE_DIR:
  96                 return wbsrv_samba3_priv_pipe_dir(s3call);
  97
  98         case WINBINDD_LOOKUPNAME:
  99                 return wbsrv_samba3_lookupname(s3call);
 100
 101         case WINBINDD_LOOKUPSID:
 102                 return wbsrv_samba3_lookupsid(s3call);
 103
 104         case WINBINDD_PAM_AUTH:
 105                 return wbsrv_samba3_pam_auth(s3call);
 106
 107         case WINBINDD_PAM_AUTH_CRAP:
 108                 return wbsrv_samba3_pam_auth_crap(s3call);
 109
 110         case WINBINDD_GETDCNAME:
 111                 return wbsrv_samba3_getdcname(s3call);
 112
 113         case WINBINDD_GETUSERDOMGROUPS:
 114                 return wbsrv_samba3_userdomgroups(s3call);
 115
 116         case WINBINDD_GETUSERSIDS:
 117                 return wbsrv_samba3_usersids(s3call);
 118
 119         case WINBINDD_LIST_TRUSTDOM:
 120                 return wbsrv_samba3_list_trustdom(s3call);
 121
 122                 /* Unimplemented commands */
 123
 124         case WINBINDD_GETPWNAM:
 125         case WINBINDD_GETPWUID:
 126         case WINBINDD_GETGRNAM:
 127         case WINBINDD_GETGRGID:
 128         case WINBINDD_GETGROUPS:
 129         case WINBINDD_SETPWENT:
 130         case WINBINDD_ENDPWENT:
 131         case WINBINDD_GETPWENT:
 132         case WINBINDD_SETGRENT:
 133         case WINBINDD_ENDGRENT:
 134         case WINBINDD_GETGRENT:
 135         case WINBINDD_PAM_CHAUTHTOK:
 136         case WINBINDD_LIST_USERS:
 137         case WINBINDD_LIST_GROUPS:
 138         case WINBINDD_SID_TO_UID:
 139         case WINBINDD_SID_TO_GID:
 140         case WINBINDD_UID_TO_SID:
 141         case WINBINDD_GID_TO_SID:
 142         case WINBINDD_ALLOCATE_RID:
 143         case WINBINDD_ALLOCATE_RID_AND_GID:
 144         case WINBINDD_CHECK_MACHACC:
 145         case WINBINDD_DOMAIN_INFO:
 146         case WINBINDD_SHOW_SEQUENCE:
 147         case WINBINDD_WINS_BYIP:
 148         case WINBINDD_WINS_BYNAME:
 149         case WINBINDD_GETGRLST:
 150         case WINBINDD_INIT_CONNECTION:
 151         case WINBINDD_DUAL_SID2UID:
 152         case WINBINDD_DUAL_SID2GID:
 153         case WINBINDD_DUAL_IDMAPSET:
 154         case WINBINDD_DUAL_UID2NAME:
 155         case WINBINDD_DUAL_NAME2UID:
 156         case WINBINDD_DUAL_GID2NAME:
 157         case WINBINDD_DUAL_NAME2GID:
 158         case WINBINDD_DUAL_USERINFO:
 159         case WINBINDD_DUAL_GETSIDALIASES:
 160         case WINBINDD_NUM_CMDS:
 161                 DEBUG(10, ("Unimplemented winbind samba3 request %d\n",
 162                            s3call->request.cmd));
 163                 break;
 164         }
 165
 166         s3call->response.result = WINBINDD_ERROR;
 167         return NT_STATUS_OK;
 168 }
 169
 170 NTSTATUS wbsrv_samba3_push_reply(struct wbsrv_call *call, TALLOC_CTX *mem_ctx, DATA_BLOB *_blob)
 171 {
 172         struct wbsrv_samba3_call *s3call = talloc_get_type(call->private_data,
 173                                                            struct wbsrv_samba3_call);
 174         DATA_BLOB blob;
 175         uint8_t *extra_data;
 176         size_t extra_data_len = 0;
 177
 178         extra_data = s3call->response.extra_data;
 179         if (extra_data) {
 180                 extra_data_len = s3call->response.length -
 181                         sizeof(s3call->response);
 182         }
 183
 184         blob = data_blob_talloc(mem_ctx, NULL, s3call->response.length);
 185         NT_STATUS_HAVE_NO_MEMORY(blob.data);
 186
 187         /* don't push real pointer values into sockets */
 188         if (extra_data) {
 189                 s3call->response.extra_data = (void *)0xFFFFFFFF;
 190         }
 191         memcpy(blob.data, &s3call->response, sizeof(s3call->response));
 192         /* set back the pointer */
 193         s3call->response.extra_data = extra_data;
 194
 195         if (extra_data) {
 196                 memcpy(blob.data + sizeof(s3call->response), extra_data, extra_data_len);
 197         }
 198
 199         *_blob = blob;
 200         return NT_STATUS_OK;
 201 }