source3/winbindd/winbindd_sockinit.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Copyright (C) Tim Potter 2000-2001
   4    Copyright (C) 2001 by Martin Pool <mbp@samba.org>
   5    Copyright (C) James Peach 2007
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "includes.h"
  22 #include "winbindd.h"
  23 #include "smb_launchd.h"
  24
  25 #undef DBGC_CLASS
  26 #define DBGC_CLASS DBGC_WINBIND
  27
  28 /* Open the winbindd socket */
  29
  30 static int _winbindd_socket = -1;
  31 static int _winbindd_priv_socket = -1;
  32 static BOOL unlink_winbindd_socket = True;
  33
  34 static int open_winbindd_socket(void)
  35 {
  36         if (_winbindd_socket == -1) {
  37                 _winbindd_socket = create_pipe_sock(
  38                         get_winbind_pipe_dir(), WINBINDD_SOCKET_NAME, 0755);
  39                 DEBUG(10, ("open_winbindd_socket: opened socket fd %d\n",
  40                            _winbindd_socket));
  41         }
  42
  43         return _winbindd_socket;
  44 }
  45
  46 static int open_winbindd_priv_socket(void)
  47 {
  48         if (_winbindd_priv_socket == -1) {
  49                 _winbindd_priv_socket = create_pipe_sock(
  50                         get_winbind_priv_pipe_dir(), WINBINDD_SOCKET_NAME, 0750);
  51                 DEBUG(10, ("open_winbindd_priv_socket: opened socket fd %d\n",
  52                            _winbindd_priv_socket));
  53         }
  54
  55         return _winbindd_priv_socket;
  56 }
  57
  58 /* Close the winbindd socket */
  59
  60 static void close_winbindd_socket(void)
  61 {
  62         if (_winbindd_socket != -1) {
  63                 DEBUG(10, ("close_winbindd_socket: closing socket fd %d\n",
  64                            _winbindd_socket));
  65                 close(_winbindd_socket);
  66                 _winbindd_socket = -1;
  67         }
  68         if (_winbindd_priv_socket != -1) {
  69                 DEBUG(10, ("close_winbindd_socket: closing socket fd %d\n",
  70                            _winbindd_priv_socket));
  71                 close(_winbindd_priv_socket);
  72                 _winbindd_priv_socket = -1;
  73         }
  74 }
  75
  76 BOOL winbindd_init_sockets(int *public_sock, int *priv_sock,
  77                                 int *idle_timeout_sec)
  78 {
  79         struct smb_launch_info linfo;
  80
  81         if (smb_launchd_checkin_names(&linfo, "WinbindPublicPipe",
  82                     "WinbindPrivilegedPipe", NULL)) {
  83                 if (linfo.num_sockets != 2) {
  84                         DEBUG(0, ("invalid launchd configuration, "
  85                                 "expected 2 sockets but got %d\n",
  86                                 linfo.num_sockets));
  87                         return False;
  88                 }
  89
  90                 *public_sock = _winbindd_socket = linfo.socket_list[0];
  91                 *priv_sock = _winbindd_priv_socket = linfo.socket_list[1];
  92                 *idle_timeout_sec = linfo.idle_timeout_secs;
  93
  94                 unlink_winbindd_socket = False;
  95
  96                 smb_launchd_checkout(&linfo);
  97                 return True;
  98         } else {
  99                 *public_sock = open_winbindd_socket();
 100                 *priv_sock = open_winbindd_priv_socket();
 101                 *idle_timeout_sec = -1;
 102
 103                 if (*public_sock == -1 || *priv_sock == -1) {
 104                         DEBUG(0, ("failed to open winbindd pipes: %s\n",
 105                             errno ? strerror(errno) : "unknown error"));
 106                         return False;
 107                 }
 108
 109                 return True;
 110         }
 111 }
 112
 113 void winbindd_release_sockets(void)
 114 {
 115         pstring path;
 116
 117         close_winbindd_socket();
 118
 119         /* Remove socket file */
 120         if (unlink_winbindd_socket) {
 121                 pstr_sprintf(path, "%s/%s",
 122                          get_winbind_pipe_dir(), WINBINDD_SOCKET_NAME);
 123                 unlink(path);
 124         }
 125 }
 126