Line data    Source code

       1             : /*
       2             :    Unix SMB/CIFS implementation.
       3             : 
       4             :    Winbind client library.
       5             : 
       6             :    Copyright (C) 2008 Kai Blin  <kai@samba.org>
       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 <tevent.h>
      24             : #include "nsswitch/winbind_client.h"
      25             : #include "libcli/wbclient/wbclient.h"
      26             : #include "libcli/security/dom_sid.h"
      27             : #include "nsswitch/libwbclient/wbclient.h"
      28             : 
      29       11206 : NTSTATUS wbc_sids_to_xids(struct id_map *ids, uint32_t count)
      30             : {
      31         802 :         TALLOC_CTX *mem_ctx;
      32         802 :         uint32_t i;
      33         802 :         struct wbcDomainSid *sids;
      34         802 :         struct wbcUnixId *xids;
      35         802 :         wbcErr result;
      36         802 :         bool wb_off;
      37             : 
      38       11206 :         mem_ctx = talloc_new(NULL);
      39       11206 :         if (mem_ctx == NULL) {
      40           0 :                 return NT_STATUS_NO_MEMORY;
      41             :         }
      42             : 
      43       11206 :         sids = talloc_array(mem_ctx, struct wbcDomainSid, count);
      44       11206 :         if (sids == NULL) {
      45           0 :                 TALLOC_FREE(mem_ctx);
      46           0 :                 return NT_STATUS_NO_MEMORY;
      47             :         }
      48             : 
      49       11206 :         xids = talloc_array(mem_ctx, struct wbcUnixId, count);
      50       11206 :         if (xids == NULL) {
      51           0 :                 TALLOC_FREE(mem_ctx);
      52           0 :                 return NT_STATUS_NO_MEMORY;
      53             :         }
      54             : 
      55      160804 :         for (i=0; i<count; i++) {
      56      149598 :                 memcpy(&sids[i], ids[i].sid, sizeof(struct dom_sid));
      57             :         }
      58             : 
      59       11206 :         wb_off = winbind_env_set();
      60       11206 :         if (wb_off) {
      61        1470 :                 (void)winbind_on();
      62             :         }
      63             : 
      64       11206 :         result = wbcSidsToUnixIds(sids, count, xids);
      65             : 
      66       11206 :         if (wb_off) {
      67        1470 :                 (void)winbind_off();
      68             :         }
      69             : 
      70       11206 :         if (!WBC_ERROR_IS_OK(result)) {
      71           0 :                 TALLOC_FREE(mem_ctx);
      72           0 :                 return NT_STATUS_INTERNAL_ERROR;
      73             :         }
      74             : 
      75      160804 :         for (i=0; i<count; i++) {
      76      149598 :                 struct wbcUnixId *xid = &xids[i];
      77      149598 :                 struct unixid *id = &ids[i].xid;
      78             : 
      79      149598 :                 switch (xid->type) {
      80        8676 :                     case WBC_ID_TYPE_UID:
      81        8676 :                         id->type = ID_TYPE_UID;
      82        8676 :                         id->id = xid->id.uid;
      83        8676 :                         break;
      84        8589 :                     case WBC_ID_TYPE_GID:
      85        8589 :                         id->type = ID_TYPE_GID;
      86        8589 :                         id->id = xid->id.gid;
      87        8589 :                         break;
      88      132333 :                     case WBC_ID_TYPE_BOTH:
      89      132333 :                         id->type = ID_TYPE_BOTH;
      90      132333 :                         id->id = xid->id.uid;
      91      132333 :                         break;
      92           0 :                     case WBC_ID_TYPE_NOT_SPECIFIED:
      93           0 :                         id->type = ID_TYPE_NOT_SPECIFIED;
      94           0 :                         id->id = UINT32_MAX;
      95           0 :                         break;
      96             :                 }
      97      149598 :                 ids[i].status = ID_MAPPED;
      98             :         }
      99             : 
     100       11206 :         TALLOC_FREE(mem_ctx);
     101             : 
     102       11206 :         return NT_STATUS_OK;
     103             : }
     104             : 
     105        1187 : NTSTATUS wbc_xids_to_sids(struct id_map *ids, uint32_t count)
     106             : {
     107           0 :         TALLOC_CTX *mem_ctx;
     108           0 :         uint32_t i;
     109           0 :         struct wbcDomainSid *sids;
     110           0 :         struct wbcUnixId *xids;
     111           0 :         wbcErr result;
     112           0 :         bool wb_off;
     113             : 
     114        1187 :         mem_ctx = talloc_new(NULL);
     115        1187 :         if (mem_ctx == NULL) {
     116           0 :                 return NT_STATUS_NO_MEMORY;
     117             :         }
     118             : 
     119        1187 :         sids = talloc_array(mem_ctx, struct wbcDomainSid, count);
     120        1187 :         if (sids == NULL) {
     121           0 :                 TALLOC_FREE(mem_ctx);
     122           0 :                 return NT_STATUS_NO_MEMORY;
     123             :         }
     124             : 
     125        1187 :         xids = talloc_array(mem_ctx, struct wbcUnixId, count);
     126        1187 :         if (xids == NULL) {
     127           0 :                 TALLOC_FREE(mem_ctx);
     128           0 :                 return NT_STATUS_NO_MEMORY;
     129             :         }
     130             : 
     131        3555 :         for (i=0; i<count; i++) {
     132        2368 :                 struct id_map *id = &ids[i];
     133        2368 :                 struct wbcUnixId *xid = &xids[i];
     134             : 
     135        2368 :                 switch (id->xid.type) {
     136        1184 :                     case ID_TYPE_UID:
     137        1184 :                             *xid = (struct wbcUnixId) {
     138             :                                     .type = WBC_ID_TYPE_UID,
     139        1184 :                                     .id.uid = id->xid.id
     140             :                             };
     141        2368 :                             break;
     142        1184 :                     case ID_TYPE_GID:
     143        1184 :                             *xid = (struct wbcUnixId) {
     144             :                                     .type = WBC_ID_TYPE_GID,
     145        1184 :                                     .id.uid = id->xid.id
     146             :                             };
     147        1184 :                             break;
     148           0 :                     default:
     149           0 :                             TALLOC_FREE(mem_ctx);
     150           0 :                             return NT_STATUS_NOT_FOUND;
     151             :                 }
     152             :         }
     153             : 
     154        1187 :         wb_off = winbind_env_set();
     155        1187 :         if (wb_off) {
     156        1187 :                 (void)winbind_on();
     157             :         }
     158             : 
     159        1187 :         result = wbcUnixIdsToSids(xids, count, sids);
     160             : 
     161        1187 :         if (wb_off) {
     162        1187 :                 (void)winbind_off();
     163             :         }
     164             : 
     165        1187 :         if (!WBC_ERROR_IS_OK(result)) {
     166           0 :                 TALLOC_FREE(mem_ctx);
     167           0 :                 return NT_STATUS_INTERNAL_ERROR;
     168             :         }
     169             : 
     170        3555 :         for (i=0; i<count; i++) {
     171        2368 :                 struct wbcDomainSid *sid = &sids[i];
     172        2368 :                 struct wbcDomainSid null_sid = { 0 };
     173        2368 :                 struct id_map *id = &ids[i];
     174             : 
     175        2368 :                 if (memcmp(sid, &null_sid, sizeof(*sid)) != 0) {
     176           0 :                         struct dom_sid domsid;
     177        2368 :                         id->status = ID_MAPPED;
     178             : 
     179        2368 :                         memcpy(&domsid, sid, sizeof(struct dom_sid));
     180        2368 :                         id->sid = dom_sid_dup(ids, &domsid);
     181        2368 :                         if (id->sid == NULL) {
     182           0 :                                 TALLOC_FREE(mem_ctx);
     183           0 :                                 return NT_STATUS_NO_MEMORY;
     184             :                         }
     185             :                 } else {
     186           0 :                         id->status = ID_UNMAPPED;
     187           0 :                         id->sid = NULL;
     188             :                 }
     189             :         }
     190             : 
     191        1187 :         TALLOC_FREE(mem_ctx);
     192        1187 :         return NT_STATUS_OK;
     193             : }