configd.tproj/_configadd.c

   1 /*
   2  * Copyright (c) 2000, 2001, 2003, 2004, 2006, 2008, 2011, 2012, 2014 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)
  40 {
  41         int                             sc_status       = kSCStatusOK;
  42         SCDynamicStorePrivateRef        storePrivate    = (SCDynamicStorePrivateRef)store;
  43         CFDataRef                       tempValue;
  44
  45         if (_configd_trace) {
  46                 SCTrace(TRUE, _configd_trace,
  47                         CFSTR("%s%s : %5d : %@\n"),
  48                         "add  ",
  49                         storePrivate->useSessionKeys ? "t " : "  ",
  50                         storePrivate->server,
  51                         key);
  52         }
  53
  54         /*
  55          * Ensure that this is a new key.
  56          */
  57         sc_status = __SCDynamicStoreCopyValue(store, key, &tempValue, TRUE);
  58         switch (sc_status) {
  59                 case kSCStatusNoKey :
  60                         /* store key does not exist, proceed */
  61                         break;
  62
  63                 case kSCStatusOK :
  64                         /* store key exists, sorry */
  65                         CFRelease(tempValue);
  66                         sc_status = kSCStatusKeyExists;
  67                         goto done;
  68
  69                 default :
  70 #ifdef  DEBUG
  71                         SCLog(_configd_verbose, LOG_DEBUG, CFSTR("__SCDynamicStoreAddValue __SCDynamicStoreCopyValue(): %s"), SCErrorString(sc_status));
  72 #endif  /* DEBUG */
  73                         goto done;
  74         }
  75
  76         /*
  77          * Save the new key.
  78          */
  79         sc_status = __SCDynamicStoreSetValue(store, key, value, TRUE);
  80
  81         /* push changes */
  82         __SCDynamicStorePush();
  83
  84     done:
  85
  86         return sc_status;
  87 }
  88
  89
  90 __private_extern__
  91 kern_return_t
  92 _configadd(mach_port_t                  server,
  93            xmlData_t                    keyRef,         /* raw XML bytes */
  94            mach_msg_type_number_t       keyLen,
  95            xmlData_t                    dataRef,        /* raw XML bytes */
  96            mach_msg_type_number_t       dataLen,
  97            int                          *newInstance,
  98            int                          *sc_status,
  99            audit_token_t                audit_token)
 100 {
 101         CFStringRef             key             = NULL;         /* key  (un-serialized) */
 102         CFDataRef               data            = NULL;         /* data (un-serialized) */
 103         serverSessionRef        mySession;
 104
 105         *sc_status = kSCStatusOK;
 106
 107         /* un-serialize the key */
 108         if (!_SCUnserializeString(&key, NULL, (void *)keyRef, keyLen)) {
 109                 *sc_status = kSCStatusFailed;
 110                 goto done;
 111         }
 112
 113         /* un-serialize the data */
 114         if (!_SCUnserializeData(&data, (void *)dataRef, dataLen)) {
 115                 *sc_status = kSCStatusFailed;
 116         }
 117
 118         if (*sc_status != kSCStatusOK) {
 119                 goto done;
 120         }
 121
 122         if (!isA_CFString(key)) {
 123                 *sc_status = kSCStatusInvalidArgument;
 124                 goto done;
 125         }
 126
 127         mySession = getSession(server);
 128         if (mySession == NULL) {
 129                 mySession = tempSession(server, CFSTR("SCDynamicStoreAddValue"), audit_token);
 130                 if (mySession == NULL) {
 131                         /* you must have an open session to play */
 132                         *sc_status = kSCStatusNoStoreSession;
 133                         goto done;
 134                 }
 135         }
 136
 137         if (!hasWriteAccess(mySession, key)) {
 138                 *sc_status = kSCStatusAccessError;
 139                 goto done;
 140         }
 141
 142         *sc_status = __SCDynamicStoreAddValue(mySession->store, key, data);
 143         if (*sc_status == kSCStatusOK) {
 144                 *newInstance = 0;
 145         }
 146
 147     done :
 148
 149         if (key != NULL)        CFRelease(key);
 150         if (data != NULL)       CFRelease(data);
 151
 152         return KERN_SUCCESS;
 153 }
 154
 155
 156 __private_extern__
 157 kern_return_t
 158 _configadd_s(mach_port_t                server,
 159              xmlData_t                  keyRef,         /* raw XML bytes */
 160              mach_msg_type_number_t     keyLen,
 161              xmlData_t                  dataRef,        /* raw XML bytes */
 162              mach_msg_type_number_t     dataLen,
 163              int                        *newInstance,
 164              int                        *sc_status)
 165 {
 166         CFDataRef                       data            = NULL;         /* data (un-serialized) */
 167         CFStringRef                     key             = NULL;         /* key  (un-serialized) */
 168         serverSessionRef                mySession;
 169         SCDynamicStorePrivateRef        storePrivate;
 170         Boolean                         useSessionKeys;
 171
 172         *sc_status = kSCStatusOK;
 173
 174         /* un-serialize the key */
 175         if (!_SCUnserializeString(&key, NULL, (void *)keyRef, keyLen)) {
 176                 *sc_status = kSCStatusFailed;
 177         }
 178
 179         /* un-serialize the data */
 180         if (!_SCUnserializeData(&data, (void *)dataRef, dataLen)) {
 181                 *sc_status = kSCStatusFailed;
 182         }
 183
 184         if (*sc_status != kSCStatusOK) {
 185                 goto done;
 186         }
 187
 188         if (!isA_CFString(key)) {
 189                 *sc_status = kSCStatusInvalidArgument;
 190                 goto done;
 191         }
 192
 193         mySession = getSession(server);
 194         if (mySession == NULL) {
 195                 /* you must have an open session to play */
 196                 *sc_status = kSCStatusNoStoreSession;
 197                 goto done;
 198         }
 199
 200         if (!hasWriteAccess(mySession, key)) {
 201                 *sc_status = kSCStatusAccessError;
 202                 goto done;
 203         }
 204
 205         // force "useSessionKeys"
 206         storePrivate = (SCDynamicStorePrivateRef)mySession->store;
 207         useSessionKeys = storePrivate->useSessionKeys;
 208         storePrivate->useSessionKeys = TRUE;
 209
 210         *sc_status = __SCDynamicStoreAddValue(mySession->store, key, data);
 211         if (*sc_status == kSCStatusOK) {
 212                 *newInstance = 0;
 213         }
 214
 215         // restore "useSessionKeys"
 216         storePrivate->useSessionKeys = useSessionKeys;
 217
 218     done :
 219
 220         if (key != NULL)        CFRelease(key);
 221         if (data != NULL)       CFRelease(data);
 222
 223         return KERN_SUCCESS;
 224 }