source/nsswitch/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 2 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, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #include "includes.h"
  23 #include "winbindd.h"
  24 #include "smb_launchd.h"
  25
  26 #undef DBGC_CLASS
  27 #define DBGC_CLASS DBGC_WINBIND
  28
  29 /* Open the winbindd socket */
  30
  31 static int _winbindd_socket = -1;
  32 static int _winbindd_priv_socket = -1;
  33 static BOOL unlink_winbindd_socket = True;
  34
  35 static int open_winbindd_socket(void)
  36 {
  37         if (_winbindd_socket == -1) {
  38                 _winbindd_socket = create_pipe_sock(
  39                         WINBINDD_SOCKET_DIR, WINBINDD_SOCKET_NAME, 0755);
  40                 DEBUG(10, ("open_winbindd_socket: opened socket fd %d\n",
  41                            _winbindd_socket));
  42         }
  43
  44         return _winbindd_socket;
  45 }
  46
  47 static int open_winbindd_priv_socket(void)
  48 {
  49         if (_winbindd_priv_socket == -1) {
  50                 _winbindd_priv_socket = create_pipe_sock(
  51                         get_winbind_priv_pipe_dir(), WINBINDD_SOCKET_NAME, 0750);
  52                 DEBUG(10, ("open_winbindd_priv_socket: opened socket fd %d\n",
  53                            _winbindd_priv_socket));
  54         }
  55
  56         return _winbindd_priv_socket;
  57 }
  58
  59 /* Close the winbindd socket */
  60
  61 static void close_winbindd_socket(void)
  62 {
  63         if (_winbindd_socket != -1) {
  64                 DEBUG(10, ("close_winbindd_socket: closing socket fd %d\n",
  65                            _winbindd_socket));
  66                 close(_winbindd_socket);
  67                 _winbindd_socket = -1;
  68         }
  69         if (_winbindd_priv_socket != -1) {
  70                 DEBUG(10, ("close_winbindd_socket: closing socket fd %d\n",
  71                            _winbindd_priv_socket));
  72                 close(_winbindd_priv_socket);
  73                 _winbindd_priv_socket = -1;
  74         }
  75 }
  76
  77 BOOL winbindd_init_sockets(int *public_sock, int *priv_sock,
  78                                 int *idle_timeout_sec)
  79 {
  80         struct smb_launch_info linfo;
  81
  82         if (smb_launchd_checkin_names(&linfo, "WinbindPublicPipe",
  83                     "WinbindPrivilegedPipe", NULL)) {
  84                 if (linfo.num_sockets != 2) {
  85                         DEBUG(0, ("invalid launchd configuration, "
  86                                 "expected 2 sockets but got %d\n",
  87                                 linfo.num_sockets));
  88                         return False;
  89                 }
  90
  91                 *public_sock = _winbindd_socket = linfo.socket_list[0];
  92                 *priv_sock = _winbindd_priv_socket = linfo.socket_list[1];
  93                 *idle_timeout_sec = linfo.idle_timeout_secs;
  94
  95                 unlink_winbindd_socket = False;
  96
  97                 smb_launchd_checkout(&linfo);
  98                 return True;
  99         } else {
 100                 *public_sock = open_winbindd_socket();
 101                 *priv_sock = open_winbindd_priv_socket();
 102                 *idle_timeout_sec = -1;
 103
 104                 if (*public_sock == -1 || *priv_sock == -1) {
 105                         DEBUG(0, ("failed to open winbindd pipes: %s\n",
 106                             errno ? strerror(errno) : "unknown error"));
 107                         return False;
 108                 }
 109
 110                 return True;
 111         }
 112 }
 113
 114 void winbindd_release_sockets(void)
 115 {
 116         pstring path;
 117
 118         close_winbindd_socket();
 119
 120         /* Remove socket file */
 121         if (unlink_winbindd_socket) {
 122                 pstr_sprintf(path, "%s/%s",
 123                          WINBINDD_SOCKET_DIR, WINBINDD_SOCKET_NAME);
 124                 unlink(path);
 125         }
 126 }
 127