configd.tproj/_configadd.c

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