SystemConfiguration.fproj/SCDRemove.c

   1 /*
   2  * Copyright (c) 2000-2002 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 /*
  24  * Modification History
  25  *
  26  * June 1, 2001                 Allan Nathanson <ajn@apple.com>
  27  * - public API conversion
  28  *
  29  * March 24, 2000               Allan Nathanson <ajn@apple.com>
  30  * - initial revision
  31  */
  32
  33 #include <mach/mach.h>
  34 #include <mach/mach_error.h>
  35 #include <SystemConfiguration/SystemConfiguration.h>
  36 #include <SystemConfiguration/SCPrivate.h>
  37 #include "SCDynamicStoreInternal.h"
  38 #include "config.h"             /* MiG generated file */
  39
  40
  41 Boolean
  42 SCDynamicStoreRemoveValue(SCDynamicStoreRef store, CFStringRef key)
  43 {
  44         SCDynamicStorePrivateRef        storePrivate = (SCDynamicStorePrivateRef)store;
  45         kern_return_t                   status;
  46         CFDataRef                       xmlKey;         /* serialized key */
  47         xmlData_t                       myKeyRef;
  48         CFIndex                         myKeyLen;
  49         int                             sc_status;
  50
  51         SCLog(_sc_verbose, LOG_DEBUG, CFSTR("SCDynamicStoreRemoveValue:"));
  52         SCLog(_sc_verbose, LOG_DEBUG, CFSTR("  key      = %@"), key);
  53
  54         if (!store) {
  55                 /* sorry, you must provide a session */
  56                 _SCErrorSet(kSCStatusNoStoreSession);
  57                 return FALSE;
  58         }
  59
  60         if (storePrivate->server == MACH_PORT_NULL) {
  61                 /* sorry, you must have an open session to play */
  62                 _SCErrorSet(kSCStatusNoStoreServer);
  63                 return FALSE;
  64         }
  65
  66         /* serialize the key */
  67         if (!_SCSerialize(key, &xmlKey, (void **)&myKeyRef, &myKeyLen)) {
  68                 _SCErrorSet(kSCStatusFailed);
  69                 return FALSE;
  70         }
  71
  72         /* send the key to the server */
  73         status = configremove(storePrivate->server,
  74                               myKeyRef,
  75                               myKeyLen,
  76                               (int *)&sc_status);
  77
  78         /* clean up */
  79         CFRelease(xmlKey);
  80
  81         if (status != KERN_SUCCESS) {
  82                 if (status != MACH_SEND_INVALID_DEST)
  83                         SCLog(_sc_verbose, LOG_DEBUG, CFSTR("configremove(): %s"), mach_error_string(status));
  84                 (void) mach_port_destroy(mach_task_self(), storePrivate->server);
  85                 storePrivate->server = MACH_PORT_NULL;
  86                 _SCErrorSet(status);
  87                 return FALSE;
  88         }
  89
  90         if (sc_status != kSCStatusOK) {
  91                 _SCErrorSet(sc_status);
  92                 return FALSE;
  93         }
  94
  95         return TRUE;
  96 }