Line data    Source code

       1             : /* 
       2             :    Unix SMB/CIFS implementation.
       3             : 
       4             :    endpoint server for the unixinfo pipe
       5             : 
       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 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 "rpc_server/dcerpc_server.h"
      24             : #include "librpc/gen_ndr/ndr_unixinfo.h"
      25             : #include "libcli/wbclient/wbclient.h"
      26             : #include "system/passwd.h"
      27             : 
      28           3 : static NTSTATUS dcesrv_unixinfo_SidToUid(struct dcesrv_call_state *dce_call,
      29             :                                   TALLOC_CTX *mem_ctx,
      30             :                                   struct unixinfo_SidToUid *r)
      31             : {
      32           0 :         NTSTATUS status;
      33           0 :         struct id_map *ids;
      34             : 
      35           3 :         DEBUG(5, ("dcesrv_unixinfo_SidToUid called\n"));
      36             : 
      37           3 :         ids = talloc(mem_ctx, struct id_map);
      38           3 :         NT_STATUS_HAVE_NO_MEMORY(ids);
      39             : 
      40           3 :         ids->sid = &r->in.sid;
      41           3 :         ids->status = ID_UNKNOWN;
      42           3 :         ZERO_STRUCT(ids->xid);
      43           3 :         status = wbc_sids_to_xids(ids, 1);
      44           3 :         NT_STATUS_NOT_OK_RETURN(status);
      45             : 
      46           3 :         if (ids->xid.type == ID_TYPE_BOTH ||
      47           0 :             ids->xid.type == ID_TYPE_UID) {
      48           3 :                 *r->out.uid = ids->xid.id;
      49           3 :                 return NT_STATUS_OK;
      50             :         } else {
      51           0 :                 return NT_STATUS_INVALID_SID;
      52             :         }
      53             : }
      54             : 
      55           3 : static NTSTATUS dcesrv_unixinfo_UidToSid(struct dcesrv_call_state *dce_call,
      56             :                                   TALLOC_CTX *mem_ctx,
      57             :                                   struct unixinfo_UidToSid *r)
      58             : {
      59           0 :         struct id_map *ids;
      60           0 :         uint32_t uid;
      61           0 :         NTSTATUS status;
      62             : 
      63           3 :         DEBUG(5, ("dcesrv_unixinfo_UidToSid called\n"));
      64             : 
      65           3 :         uid = r->in.uid;     /* This cuts uid to 32 bit */
      66           3 :         if ((uint64_t)uid != r->in.uid) {
      67           0 :                 DEBUG(10, ("uid out of range\n"));
      68           0 :                 return NT_STATUS_INVALID_PARAMETER;
      69             :         }
      70             : 
      71           3 :         ids = talloc(mem_ctx, struct id_map);
      72           3 :         NT_STATUS_HAVE_NO_MEMORY(ids);
      73             : 
      74           3 :         ids->sid = NULL;
      75           3 :         ids->status = ID_UNKNOWN;
      76             : 
      77           3 :         ids->xid.id = uid;
      78           3 :         ids->xid.type = ID_TYPE_UID;
      79             : 
      80           3 :         status = wbc_xids_to_sids(ids, 1);
      81           3 :         NT_STATUS_NOT_OK_RETURN(status);
      82             : 
      83           3 :         r->out.sid = ids->sid;
      84           3 :         return NT_STATUS_OK;
      85             : }
      86             : 
      87           3 : static NTSTATUS dcesrv_unixinfo_SidToGid(struct dcesrv_call_state *dce_call,
      88             :                                   TALLOC_CTX *mem_ctx,
      89             :                                   struct unixinfo_SidToGid *r)
      90             : {
      91           0 :         NTSTATUS status;
      92           0 :         struct id_map *ids;
      93             : 
      94           3 :         DEBUG(5, ("dcesrv_unixinfo_SidToGid called\n"));
      95             : 
      96           3 :         ids = talloc(mem_ctx, struct id_map);
      97           3 :         NT_STATUS_HAVE_NO_MEMORY(ids);
      98             : 
      99           3 :         ids->sid = &r->in.sid;
     100           3 :         ids->status = ID_UNKNOWN;
     101           3 :         ZERO_STRUCT(ids->xid);
     102           3 :         status = wbc_sids_to_xids(ids, 1);
     103           3 :         NT_STATUS_NOT_OK_RETURN(status);
     104             : 
     105           3 :         if (ids->xid.type == ID_TYPE_BOTH ||
     106           0 :             ids->xid.type == ID_TYPE_GID) {
     107           3 :                 *r->out.gid = ids->xid.id;
     108           3 :                 return NT_STATUS_OK;
     109             :         } else {
     110           0 :                 return NT_STATUS_INVALID_SID;
     111             :         }
     112             : }
     113             : 
     114           3 : static NTSTATUS dcesrv_unixinfo_GidToSid(struct dcesrv_call_state *dce_call,
     115             :                                   TALLOC_CTX *mem_ctx,
     116             :                                   struct unixinfo_GidToSid *r)
     117             : {
     118           0 :         struct id_map *ids;
     119           0 :         uint32_t gid;
     120           0 :         NTSTATUS status;
     121             : 
     122           3 :         DEBUG(5, ("dcesrv_unixinfo_GidToSid called\n"));
     123             : 
     124           3 :         gid = r->in.gid;     /* This cuts gid to 32 bit */
     125           3 :         if ((uint64_t)gid != r->in.gid) {
     126           0 :                 DEBUG(10, ("gid out of range\n"));
     127           0 :                 return NT_STATUS_INVALID_PARAMETER;
     128             :         }
     129             : 
     130           3 :         ids = talloc(mem_ctx, struct id_map);
     131           3 :         NT_STATUS_HAVE_NO_MEMORY(ids);
     132             : 
     133           3 :         ids->sid = NULL;
     134           3 :         ids->status = ID_UNKNOWN;
     135             : 
     136           3 :         ids->xid.id = gid;
     137           3 :         ids->xid.type = ID_TYPE_GID;
     138             : 
     139           3 :         status = wbc_xids_to_sids(ids, 1);
     140           3 :         NT_STATUS_NOT_OK_RETURN(status);
     141             : 
     142           3 :         r->out.sid = ids->sid;
     143           3 :         return NT_STATUS_OK;
     144             : }
     145             : 
     146           3 : static NTSTATUS dcesrv_unixinfo_GetPWUid(struct dcesrv_call_state *dce_call,
     147             :                                   TALLOC_CTX *mem_ctx,
     148             :                                   struct unixinfo_GetPWUid *r)
     149             : {
     150           0 :         unsigned int i;
     151             : 
     152           3 :         *r->out.count = 0;
     153             : 
     154           3 :         r->out.infos = talloc_zero_array(mem_ctx, struct unixinfo_GetPWUidInfo,
     155             :                                          *r->in.count);
     156           3 :         NT_STATUS_HAVE_NO_MEMORY(r->out.infos);
     157           3 :         *r->out.count = *r->in.count;
     158             : 
     159        1539 :         for (i=0; i < *r->in.count; i++) {
     160           0 :                 uid_t uid;
     161           0 :                 struct passwd *pwd;
     162             : 
     163        1536 :                 uid = r->in.uids[i];
     164        1536 :                 pwd = getpwuid(uid);
     165        1536 :                 if (pwd == NULL) {
     166        1533 :                         DEBUG(10, ("uid %d not found\n", uid));
     167        1533 :                         r->out.infos[i].homedir = "";
     168        1533 :                         r->out.infos[i].shell = "";
     169        1533 :                         r->out.infos[i].status = NT_STATUS_NO_SUCH_USER;
     170        1533 :                         continue;
     171             :                 }
     172             : 
     173           3 :                 r->out.infos[i].homedir = talloc_strdup(mem_ctx, pwd->pw_dir);
     174           3 :                 r->out.infos[i].shell = talloc_strdup(mem_ctx, pwd->pw_shell);
     175             : 
     176           3 :                 if ((r->out.infos[i].homedir == NULL) ||
     177           3 :                     (r->out.infos[i].shell == NULL)) {
     178           0 :                         r->out.infos[i].homedir = "";
     179           0 :                         r->out.infos[i].shell = "";
     180           0 :                         r->out.infos[i].status = NT_STATUS_NO_MEMORY;
     181           0 :                         continue;
     182             :                 }
     183             : 
     184           3 :                 r->out.infos[i].status = NT_STATUS_OK;
     185             :         }
     186             : 
     187           3 :         return NT_STATUS_OK;
     188             : }
     189             : 
     190             : /* include the generated boilerplate */
     191             : #include "librpc/gen_ndr/ndr_unixinfo_s.c"