SystemConfiguration.fproj/SCDSet.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 <mach/mach.h>
  24 #include <mach/mach_error.h>
  25
  26 #include <SystemConfiguration/SCD.h>
  27 #include "config.h"             /* MiG generated file */
  28 #include "SCDPrivate.h"
  29
  30
  31 SCDStatus
  32 SCDSet(SCDSessionRef session, CFStringRef key, SCDHandleRef handle)
  33 {
  34         SCDSessionPrivateRef    sessionPrivate = (SCDSessionPrivateRef)session;
  35         kern_return_t           status;
  36         CFDataRef               xmlKey;         /* serialized key */
  37         xmlData_t               myKeyRef;
  38         CFIndex                 myKeyLen;
  39         CFDataRef               xmlData;        /* serialized data */
  40         xmlData_t               myDataRef;
  41         CFIndex                 myDataLen;
  42         SCDStatus               scd_status;
  43         int                     newInstance;
  44
  45         SCDLog(LOG_DEBUG, CFSTR("SCDSet:"));
  46         SCDLog(LOG_DEBUG, CFSTR("  key          = %@"), key);
  47         SCDLog(LOG_DEBUG, CFSTR("  data         = %@"), SCDHandleGetData(handle));
  48         SCDLog(LOG_DEBUG, CFSTR("  instance     = %d"), SCDHandleGetInstance(handle));
  49
  50         if (key == NULL) {
  51                 return SCD_INVALIDARGUMENT;     /* no key specified */
  52         }
  53
  54         if ((session == NULL) || (sessionPrivate->server == MACH_PORT_NULL)) {
  55                 return SCD_NOSESSION;           /* you can't do anything with a closed session */
  56         }
  57
  58         /* serialize the key and data */
  59         xmlKey = CFPropertyListCreateXMLData(NULL, key);
  60         myKeyRef = (xmlData_t)CFDataGetBytePtr(xmlKey);
  61         myKeyLen = CFDataGetLength(xmlKey);
  62
  63         xmlData = CFPropertyListCreateXMLData(NULL, SCDHandleGetData(handle));
  64         myDataRef = (xmlData_t)CFDataGetBytePtr(xmlData);
  65         myDataLen = CFDataGetLength(xmlData);
  66
  67         /* send the key & data to the server, get new instance id */
  68         status = configset(sessionPrivate->server,
  69                            myKeyRef,
  70                            myKeyLen,
  71                            myDataRef,
  72                            myDataLen,
  73                            SCDHandleGetInstance(handle),
  74                            &newInstance,
  75                            (int *)&scd_status);
  76
  77         /* clean up */
  78         CFRelease(xmlKey);
  79         CFRelease(xmlData);
  80
  81         if (status != KERN_SUCCESS) {
  82                 if (status != MACH_SEND_INVALID_DEST)
  83                         SCDLog(LOG_DEBUG, CFSTR("configset(): %s"), mach_error_string(status));
  84                 (void) mach_port_destroy(mach_task_self(), sessionPrivate->server);
  85                 sessionPrivate->server = MACH_PORT_NULL;
  86                 return SCD_NOSERVER;
  87         }
  88
  89         if (scd_status == SCD_OK) {
  90                 _SCDHandleSetInstance(handle, newInstance);
  91         }
  92
  93         SCDLog(LOG_DEBUG, CFSTR("  new instance = %d"), SCDHandleGetInstance(handle));
  94
  95         return scd_status;
  96 }