configd.tproj/_configadd.c

   1 /*
   2  * Copyright (c) 2000, 2001, 2003, 2004, 2006, 2008, 2011, 2012, 2014, 2015 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         SC_trace(_configd_trace, "%s%s : %5d : %@\n",
  46                  "add  ",
  47                  storePrivate->useSessionKeys ? "t " : "  ",
  48                  storePrivate->server,
  49                  key);
  50
  51         /*
  52          * Ensure that this is a new key.
  53          */
  54         sc_status = __SCDynamicStoreCopyValue(store, key, &tempValue, TRUE);
  55         switch (sc_status) {
  56                 case kSCStatusNoKey :
  57                         /* store key does not exist, proceed */
  58                         break;
  59
  60                 case kSCStatusOK :
  61                         /* store key exists, sorry */
  62                         CFRelease(tempValue);
  63                         sc_status = kSCStatusKeyExists;
  64                         goto done;
  65
  66                 default :
  67 #ifdef  DEBUG
  68                         SC_log(LOG_DEBUG, "__SCDynamicStoreCopyValue() failed: %s", SCErrorString(sc_status));
  69 #endif  /* DEBUG */
  70                         goto done;
  71         }
  72
  73         /*
  74          * Save the new key.
  75          */
  76         sc_status = __SCDynamicStoreSetValue(store, key, value, TRUE);
  77
  78         /* push changes */
  79         __SCDynamicStorePush();
  80
  81     done:
  82
  83         return sc_status;
  84 }
  85
  86
  87 __private_extern__
  88 kern_return_t
  89 _configadd(mach_port_t                  server,
  90            xmlData_t                    keyRef,         /* raw XML bytes */
  91            mach_msg_type_number_t       keyLen,
  92            xmlData_t                    dataRef,        /* raw XML bytes */
  93            mach_msg_type_number_t       dataLen,
  94            int                          *newInstance,
  95            int                          *sc_status,
  96            audit_token_t                audit_token)
  97 {
  98         CFStringRef             key             = NULL;         /* key  (un-serialized) */
  99         CFDataRef               data            = NULL;         /* data (un-serialized) */
 100         serverSessionRef        mySession;
 101
 102         *sc_status = kSCStatusOK;
 103
 104         /* un-serialize the key */
 105         if (!_SCUnserializeString(&key, NULL, (void *)keyRef, keyLen)) {
 106                 *sc_status = kSCStatusFailed;
 107                 goto done;
 108         }
 109
 110         /* un-serialize the data */
 111         if (!_SCUnserializeData(&data, (void *)dataRef, dataLen)) {
 112                 *sc_status = kSCStatusFailed;
 113         }
 114
 115         if (*sc_status != kSCStatusOK) {
 116                 goto done;
 117         }
 118
 119         if (!isA_CFString(key)) {
 120                 *sc_status = kSCStatusInvalidArgument;
 121                 goto done;
 122         }
 123
 124         mySession = getSession(server);
 125         if (mySession == NULL) {
 126                 mySession = tempSession(server, CFSTR("SCDynamicStoreAddValue"), audit_token);
 127                 if (mySession == NULL) {
 128                         /* you must have an open session to play */
 129                         *sc_status = kSCStatusNoStoreSession;
 130                         goto done;
 131                 }
 132         }
 133
 134         if (!hasWriteAccess(mySession, key)) {
 135                 *sc_status = kSCStatusAccessError;
 136                 goto done;
 137         }
 138
 139         *sc_status = __SCDynamicStoreAddValue(mySession->store, key, data);
 140         if (*sc_status == kSCStatusOK) {
 141                 *newInstance = 0;
 142         }
 143
 144     done :
 145
 146         if (key != NULL)        CFRelease(key);
 147         if (data != NULL)       CFRelease(data);
 148
 149         return KERN_SUCCESS;
 150 }
 151
 152
 153 __private_extern__
 154 kern_return_t
 155 _configadd_s(mach_port_t                server,
 156              xmlData_t                  keyRef,         /* raw XML bytes */
 157              mach_msg_type_number_t     keyLen,
 158              xmlData_t                  dataRef,        /* raw XML bytes */
 159              mach_msg_type_number_t     dataLen,
 160              int                        *newInstance,
 161              int                        *sc_status)
 162 {
 163         CFDataRef                       data            = NULL;         /* data (un-serialized) */
 164         CFStringRef                     key             = NULL;         /* key  (un-serialized) */
 165         serverSessionRef                mySession;
 166         SCDynamicStorePrivateRef        storePrivate;
 167         Boolean                         useSessionKeys;
 168
 169         *sc_status = kSCStatusOK;
 170
 171         /* un-serialize the key */
 172         if (!_SCUnserializeString(&key, NULL, (void *)keyRef, keyLen)) {
 173                 *sc_status = kSCStatusFailed;
 174         }
 175
 176         /* un-serialize the data */
 177         if (!_SCUnserializeData(&data, (void *)dataRef, dataLen)) {
 178                 *sc_status = kSCStatusFailed;
 179         }
 180
 181         if (*sc_status != kSCStatusOK) {
 182                 goto done;
 183         }
 184
 185         if (!isA_CFString(key)) {
 186                 *sc_status = kSCStatusInvalidArgument;
 187                 goto done;
 188         }
 189
 190         mySession = getSession(server);
 191         if (mySession == NULL) {
 192                 /* you must have an open session to play */
 193                 *sc_status = kSCStatusNoStoreSession;
 194                 goto done;
 195         }
 196
 197         if (!hasWriteAccess(mySession, key)) {
 198                 *sc_status = kSCStatusAccessError;
 199                 goto done;
 200         }
 201
 202         // force "useSessionKeys"
 203         storePrivate = (SCDynamicStorePrivateRef)mySession->store;
 204         useSessionKeys = storePrivate->useSessionKeys;
 205         storePrivate->useSessionKeys = TRUE;
 206
 207         *sc_status = __SCDynamicStoreAddValue(mySession->store, key, data);
 208         if (*sc_status == kSCStatusOK) {
 209                 *newInstance = 0;
 210         }
 211
 212         // restore "useSessionKeys"
 213         storePrivate->useSessionKeys = useSessionKeys;
 214
 215     done :
 216
 217         if (key != NULL)        CFRelease(key);
 218         if (data != NULL)       CFRelease(data);
 219
 220         return KERN_SUCCESS;
 221 }