configd.tproj/_configadd.c

   1 /*
   2  * Copyright (c) 2000, 2001, 2003, 2004, 2006, 2008 Apple 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, Boolean internal)
  40 {
  41         SCDynamicStorePrivateRef        storePrivate    = (SCDynamicStorePrivateRef)store;
  42         int                             sc_status       = kSCStatusOK;
  43         CFDataRef                       tempValue;
  44
  45         if ((store == NULL) || (storePrivate->server == MACH_PORT_NULL)) {
  46                 return kSCStatusNoStoreSession; /* you must have an open session to play */
  47         }
  48
  49         if (_configd_trace) {
  50                 SCTrace(TRUE, _configd_trace,
  51                         CFSTR("%s%s : %5d : %@\n"),
  52                         internal ? "*add " : "add  ",
  53                         storePrivate->useSessionKeys ? "t " : "  ",
  54                         storePrivate->server,
  55                         key);
  56         }
  57
  58         /*
  59          * 1. Ensure that we hold the lock.
  60          */
  61         sc_status = __SCDynamicStoreLock(store, TRUE);
  62         if (sc_status != kSCStatusOK) {
  63                 return sc_status;
  64         }
  65
  66         /*
  67          * 2. Ensure that this is a new key.
  68          */
  69         sc_status = __SCDynamicStoreCopyValue(store, key, &tempValue, TRUE);
  70         switch (sc_status) {
  71                 case kSCStatusNoKey :
  72                         /* store key does not exist, proceed */
  73                         break;
  74
  75                 case kSCStatusOK :
  76                         /* store key exists, sorry */
  77                         CFRelease(tempValue);
  78                         sc_status = kSCStatusKeyExists;
  79                         goto done;
  80
  81                 default :
  82 #ifdef  DEBUG
  83                         SCLog(_configd_verbose, LOG_DEBUG, CFSTR("__SCDynamicStoreAddValue __SCDynamicStoreCopyValue(): %s"), SCErrorString(sc_status));
  84 #endif  /* DEBUG */
  85                         goto done;
  86         }
  87
  88         /*
  89          * 3. Save the new key.
  90          */
  91         sc_status = __SCDynamicStoreSetValue(store, key, value, TRUE);
  92
  93         /*
  94          * 4. Release our lock.
  95          */
  96
  97     done:
  98
  99         __SCDynamicStoreUnlock(store, TRUE);
 100
 101         return sc_status;
 102 }
 103
 104
 105 __private_extern__
 106 kern_return_t
 107 _configadd(mach_port_t                  server,
 108            xmlData_t                    keyRef,         /* raw XML bytes */
 109            mach_msg_type_number_t       keyLen,
 110            xmlData_t                    dataRef,        /* raw XML bytes */
 111            mach_msg_type_number_t       dataLen,
 112            int                          *newInstance,
 113            int                          *sc_status
 114 )
 115 {
 116         CFStringRef             key             = NULL;         /* key  (un-serialized) */
 117         CFDataRef               data            = NULL;         /* data (un-serialized) */
 118         serverSessionRef        mySession;
 119
 120         *sc_status = kSCStatusOK;
 121
 122         /* un-serialize the key */
 123         if (!_SCUnserializeString(&key, NULL, (void *)keyRef, keyLen)) {
 124                 *sc_status = kSCStatusFailed;
 125                 goto done;
 126         }
 127
 128         /* un-serialize the data */
 129         if (!_SCUnserializeData(&data, (void *)dataRef, dataLen)) {
 130                 *sc_status = kSCStatusFailed;
 131         }
 132
 133         if (*sc_status != kSCStatusOK) {
 134                 goto done;
 135         }
 136
 137         if (!isA_CFString(key)) {
 138                 *sc_status = kSCStatusInvalidArgument;
 139                 goto done;
 140         }
 141
 142         mySession = getSession(server);
 143         if (mySession == NULL) {
 144                 *sc_status = kSCStatusNoStoreSession;   /* you must have an open session to play */
 145                 goto done;
 146         }
 147
 148         *sc_status = __SCDynamicStoreAddValue(mySession->store, key, data, FALSE);
 149         if (*sc_status == kSCStatusOK) {
 150                 *newInstance = 0;
 151         }
 152
 153     done :
 154
 155         if (key != NULL)        CFRelease(key);
 156         if (data != NULL)       CFRelease(data);
 157
 158         return KERN_SUCCESS;
 159 }
 160
 161
 162 __private_extern__
 163 kern_return_t
 164 _configadd_s(mach_port_t                server,
 165              xmlData_t                  keyRef,         /* raw XML bytes */
 166              mach_msg_type_number_t     keyLen,
 167              xmlData_t                  dataRef,        /* raw XML bytes */
 168              mach_msg_type_number_t     dataLen,
 169              int                        *newInstance,
 170              int                        *sc_status
 171 )
 172 {
 173         CFDataRef                       data            = NULL;         /* data (un-serialized) */
 174         CFStringRef                     key             = NULL;         /* key  (un-serialized) */
 175         serverSessionRef                mySession;
 176         SCDynamicStorePrivateRef        storePrivate;
 177         Boolean                         useSessionKeys;
 178
 179         *sc_status = kSCStatusOK;
 180
 181         /* un-serialize the key */
 182         if (!_SCUnserializeString(&key, NULL, (void *)keyRef, keyLen)) {
 183                 *sc_status = kSCStatusFailed;
 184         }
 185
 186         /* un-serialize the data */
 187         if (!_SCUnserializeData(&data, (void *)dataRef, dataLen)) {
 188                 *sc_status = kSCStatusFailed;
 189         }
 190
 191         if (*sc_status != kSCStatusOK) {
 192                 goto done;
 193         }
 194
 195         if (!isA_CFString(key)) {
 196                 *sc_status = kSCStatusInvalidArgument;
 197                 goto done;
 198         }
 199
 200         mySession = getSession(server);
 201         if (mySession == NULL) {
 202                 *sc_status = kSCStatusNoStoreSession;   /* you must have an open session to play */
 203                 goto done;
 204         }
 205
 206         // force "useSessionKeys"
 207         storePrivate = (SCDynamicStorePrivateRef)mySession->store;
 208         useSessionKeys = storePrivate->useSessionKeys;
 209         storePrivate->useSessionKeys = TRUE;
 210
 211         *sc_status = __SCDynamicStoreAddValue(mySession->store, key, data, FALSE);
 212         if (*sc_status == kSCStatusOK) {
 213                 *newInstance = 0;
 214         }
 215
 216         // restore "useSessionKeys"
 217         storePrivate->useSessionKeys = useSessionKeys;
 218
 219     done :
 220
 221         if (key != NULL)        CFRelease(key);
 222         if (data != NULL)       CFRelease(data);
 223
 224         return KERN_SUCCESS;
 225 }