source3/rpc_server/srv_unixinfo_nt.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  RPC Pipe client / server routines for unixinfo-pipe
   4  *  Copyright (C) Volker Lendecke 2005
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 /* This is the interface to the rpcunixinfo pipe. */
  21
  22 #include "includes.h"
  23 #include "nterr.h"
  24
  25
  26
  27 #undef DBGC_CLASS
  28 #define DBGC_CLASS DBGC_RPC_SRV
  29
  30 /* Map a sid to a uid */
  31
  32 NTSTATUS _unixinfo_SidToUid(pipes_struct *p, struct unixinfo_SidToUid *r)
  33 {
  34         uid_t real_uid;
  35         NTSTATUS status;
  36         *r->out.uid = 0;
  37
  38         status = sid_to_uid(&r->in.sid, &real_uid) ? NT_STATUS_OK : NT_STATUS_NONE_MAPPED;
  39         if (NT_STATUS_IS_OK(status))
  40                 *r->out.uid = real_uid;
  41
  42         return status;
  43 }
  44
  45 /* Map a uid to a sid */
  46
  47 NTSTATUS _unixinfo_UidToSid(pipes_struct *p, struct unixinfo_UidToSid *r)
  48 {
  49         NTSTATUS status = NT_STATUS_NO_SUCH_USER;
  50
  51         uid_to_sid(r->out.sid, (uid_t)r->in.uid);
  52         status = NT_STATUS_OK;
  53
  54         return status;
  55 }
  56
  57 /* Map a sid to a gid */
  58
  59 NTSTATUS _unixinfo_SidToGid(pipes_struct *p, struct unixinfo_SidToGid *r)
  60 {
  61         gid_t real_gid;
  62         NTSTATUS status;
  63
  64         *r->out.gid = 0;
  65
  66         status = sid_to_gid(&r->in.sid, &real_gid) ? NT_STATUS_OK : NT_STATUS_NONE_MAPPED;
  67         if (NT_STATUS_IS_OK(status))
  68                 *r->out.gid = real_gid;
  69
  70         return status;
  71 }
  72
  73 /* Map a gid to a sid */
  74
  75 NTSTATUS _unixinfo_GidToSid(pipes_struct *p, struct unixinfo_GidToSid *r)
  76 {
  77         NTSTATUS status = NT_STATUS_NO_SUCH_GROUP;
  78
  79         gid_to_sid(r->out.sid, (gid_t)r->in.gid);
  80         status = NT_STATUS_OK;
  81
  82         return status;
  83 }
  84
  85 /* Get unix struct passwd information */
  86
  87 NTSTATUS _unixinfo_GetPWUid(pipes_struct *p, struct unixinfo_GetPWUid *r)
  88 {
  89         int i;
  90         NTSTATUS status;
  91
  92         if (*r->in.count > 1023)
  93                 return NT_STATUS_INVALID_PARAMETER;
  94
  95         status = NT_STATUS_OK;
  96
  97         for (i=0; i<*r->in.count; i++) {
  98                 struct passwd *pw;
  99                 char *homedir, *shell;
 100                 ssize_t len1, len2;
 101
 102                 r->out.infos[i].status = NT_STATUS_NO_SUCH_USER;
 103                 r->out.infos[i].homedir = "";
 104                 r->out.infos[i].shell = "";
 105
 106                 pw = getpwuid(r->in.uids[i]);
 107
 108                 if (pw == NULL) {
 109                         DEBUG(10, ("Did not find uid %lld\n",
 110                                    (long long int)r->in.uids[i]));
 111                         continue;
 112                 }
 113
 114                 len1 = push_utf8_talloc(p->mem_ctx, &homedir, pw->pw_dir);
 115                 len2 = push_utf8_talloc(p->mem_ctx, &shell, pw->pw_shell);
 116
 117                 if ((len1 < 0) || (len2 < 0) || (homedir == NULL) ||
 118                     (shell == NULL)) {
 119                         DEBUG(3, ("push_utf8_talloc failed\n"));
 120                         r->out.infos[i].status = NT_STATUS_NO_MEMORY;
 121                         continue;
 122                 }
 123
 124                 r->out.infos[i].status = NT_STATUS_OK;
 125                 r->out.infos[i].homedir = homedir;
 126                 r->out.infos[i].shell = shell;
 127         }
 128
 129         return status;
 130 }