configd.tproj/_snapshot.c

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22
  23 #include <fcntl.h>
  24 #include <paths.h>
  25 #include <unistd.h>
  26
  27 #include "configd.h"
  28 #include "configd_server.h"
  29 #include "session.h"
  30
  31
  32 #define SNAPSHOT_PATH_CACHE     _PATH_VARTMP "configd-cache.xml"
  33 #define SNAPSHOT_PATH_SESSION   _PATH_VARTMP "configd-session.xml"
  34
  35
  36 SCDStatus
  37 _SCDSnapshot(SCDSessionRef session)
  38 {
  39         int                     fd;
  40         CFDataRef               xmlData;
  41
  42         SCDLog(LOG_DEBUG, CFSTR("_SCDSnapshot:"));
  43
  44         /* Save a snapshot of the "cache" data */
  45
  46         (void) unlink(SNAPSHOT_PATH_CACHE);
  47         fd = open(SNAPSHOT_PATH_CACHE, O_WRONLY|O_CREAT|O_TRUNC, 0644);
  48         if (fd < 0) {
  49                 return SCD_FAILED;
  50         }
  51
  52         xmlData = CFPropertyListCreateXMLData(NULL, cacheData);
  53         (void) write(fd, CFDataGetBytePtr(xmlData), CFDataGetLength(xmlData));
  54         (void) close(fd);
  55         CFRelease(xmlData);
  56
  57         /* Save a snapshot of the "session" data */
  58
  59         (void) unlink(SNAPSHOT_PATH_SESSION);
  60         fd = open(SNAPSHOT_PATH_SESSION, O_WRONLY|O_CREAT|O_TRUNC, 0644);
  61         if (fd < 0) {
  62                 return SCD_FAILED;
  63         }
  64
  65         /* Save a snapshot of the "session" data */
  66
  67         xmlData = CFPropertyListCreateXMLData(NULL, sessionData);
  68         (void) write(fd, CFDataGetBytePtr(xmlData), CFDataGetLength(xmlData));
  69         (void) close(fd);
  70         CFRelease(xmlData);
  71
  72         return SCD_OK;
  73 }
  74
  75
  76 kern_return_t
  77 _snapshot(mach_port_t server, int *scd_status)
  78 {
  79         serverSessionRef        mySession = getSession(server);
  80
  81         SCDLog(LOG_DEBUG, CFSTR("Snapshot configuration database."));
  82
  83         *scd_status = _SCDSnapshot(mySession->session);
  84         if (*scd_status != SCD_OK) {
  85                 SCDLog(LOG_DEBUG, CFSTR("  SCDUnlock(): %s"), SCDError(*scd_status));
  86         }
  87
  88         return KERN_SUCCESS;
  89 }