configd.tproj/_configadd.c

   1 /*
   2  * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25
  26 /*
  27  * Modification History
  28  *
  29  * June 1, 2001                 Allan Nathanson <ajn@apple.com>
  30  * - public API conversion
  31  *
  32  * March 24, 2000               Allan Nathanson <ajn@apple.com>
  33  * - initial revision
  34  */
  35
  36 #include "configd.h"
  37 #include "session.h"
  38
  39 __private_extern__
  40 int
  41 __SCDynamicStoreAddValue(SCDynamicStoreRef store, CFStringRef key, CFDataRef value)
  42 {
  43         SCDynamicStorePrivateRef        storePrivate    = (SCDynamicStorePrivateRef)store;
  44         int                             sc_status       = kSCStatusOK;
  45         CFDataRef                       tempValue;
  46
  47         if (_configd_verbose) {
  48                 CFPropertyListRef       val;
  49
  50                 (void) _SCUnserialize(&val, value, NULL, NULL);
  51                 SCLog(TRUE, LOG_DEBUG, CFSTR("__SCDynamicStoreAddValue:"));
  52                 SCLog(TRUE, LOG_DEBUG, CFSTR("  key          = %@"), key);
  53                 SCLog(TRUE, LOG_DEBUG, CFSTR("  value        = %@"), val);
  54                 CFRelease(val);
  55         }
  56
  57         if (!store || (storePrivate->server == MACH_PORT_NULL)) {
  58                 return kSCStatusNoStoreSession; /* you must have an open session to play */
  59         }
  60
  61         if (_configd_trace) {
  62                 SCTrace(TRUE, _configd_trace, CFSTR("add     : %5d : %@\n"), storePrivate->server, key);
  63         }
  64
  65         /*
  66          * 1. Ensure that we hold the lock.
  67          */
  68         sc_status = __SCDynamicStoreLock(store, TRUE);
  69         if (sc_status != kSCStatusOK) {
  70                 return sc_status;
  71         }
  72
  73         /*
  74          * 2. Ensure that this is a new key.
  75          */
  76         sc_status = __SCDynamicStoreCopyValue(store, key, &tempValue, TRUE);
  77         switch (sc_status) {
  78                 case kSCStatusNoKey :
  79                         /* store key does not exist, proceed */
  80                         break;
  81
  82                 case kSCStatusOK :
  83                         /* store key exists, sorry */
  84                         CFRelease(tempValue);
  85                         sc_status = kSCStatusKeyExists;
  86                         goto done;
  87
  88                 default :
  89                         SCLog(_configd_verbose, LOG_DEBUG, CFSTR("  __SCDynamicStoreCopyValue(): %s"), SCErrorString(sc_status));
  90                         goto done;
  91         }
  92
  93         /*
  94          * 3. Save the new key.
  95          */
  96         sc_status = __SCDynamicStoreSetValue(store, key, value, TRUE);
  97
  98         /*
  99          * 4. Release our lock.
 100          */
 101     done:
 102         __SCDynamicStoreUnlock(store, TRUE);
 103
 104         return sc_status;
 105 }
 106
 107
 108 __private_extern__
 109 kern_return_t
 110 _configadd(mach_port_t                  server,
 111            xmlData_t                    keyRef,         /* raw XML bytes */
 112            mach_msg_type_number_t       keyLen,
 113            xmlData_t                    dataRef,        /* raw XML bytes */
 114            mach_msg_type_number_t       dataLen,
 115            int                          *newInstance,
 116            int                          *sc_status
 117 )
 118 {
 119         serverSessionRef        mySession = getSession(server);
 120         CFStringRef             key;            /* key  (un-serialized) */
 121         CFDataRef               data;           /* data (un-serialized) */
 122
 123         if (_configd_verbose) {
 124                 SCLog(TRUE, LOG_DEBUG, CFSTR("Add key to configuration database."));
 125                 SCLog(TRUE, LOG_DEBUG, CFSTR("  server = %d"), server);
 126         }
 127
 128         *sc_status = kSCStatusOK;
 129
 130         /* un-serialize the key */
 131         if (!_SCUnserializeString(&key, NULL, (void *)keyRef, keyLen)) {
 132                 *sc_status = kSCStatusFailed;
 133         } else if (!isA_CFString(key)) {
 134                 *sc_status = kSCStatusInvalidArgument;
 135         }
 136
 137         /* un-serialize the data */
 138         if (!_SCUnserializeData(&data, (void *)dataRef, dataLen)) {
 139                 *sc_status = kSCStatusFailed;
 140         }
 141
 142         if (!mySession) {
 143                 *sc_status = kSCStatusNoStoreSession;   /* you must have an open session to play */
 144         }
 145
 146         if (*sc_status != kSCStatusOK) {
 147                 if (key)        CFRelease(key);
 148                 if (data)       CFRelease(data);
 149                 return KERN_SUCCESS;
 150         }
 151
 152         *sc_status = __SCDynamicStoreAddValue(mySession->store, key, data);
 153         *newInstance = 0;
 154
 155         CFRelease(key);
 156         CFRelease(data);
 157
 158         return KERN_SUCCESS;
 159 }