SystemConfiguration.fproj/SCDSet.c

   1 /*
   2  * Copyright (c) 2000-2006, 2009-2011, 2013 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 <mach/mach.h>
  35 #include <mach/mach_error.h>
  36
  37 #include <SystemConfiguration/SystemConfiguration.h>
  38 #include <SystemConfiguration/SCPrivate.h>
  39 #include "SCDynamicStoreInternal.h"
  40 #include "config.h"             /* MiG generated file */
  41
  42
  43 Boolean
  44 SCDynamicStoreSetMultiple(SCDynamicStoreRef     store,
  45                           CFDictionaryRef       keysToSet,
  46                           CFArrayRef            keysToRemove,
  47                           CFArrayRef            keysToNotify)
  48 {
  49         SCDynamicStorePrivateRef        storePrivate;
  50         kern_return_t                   status;
  51         CFDataRef                       xmlSet          = NULL; /* key/value pairs to set (XML serialized) */
  52         xmlData_t                       mySetRef        = NULL; /* key/value pairs to set (serialized) */
  53         CFIndex                         mySetLen        = 0;
  54         CFDataRef                       xmlRemove       = NULL; /* keys to remove (XML serialized) */
  55         xmlData_t                       myRemoveRef     = NULL; /* keys to remove (serialized) */
  56         CFIndex                         myRemoveLen     = 0;
  57         CFDataRef                       xmlNotify       = NULL; /* keys to notify (XML serialized) */
  58         xmlData_t                       myNotifyRef     = NULL; /* keys to notify (serialized) */
  59         CFIndex                         myNotifyLen     = 0;
  60         int                             sc_status;
  61
  62         if (store == NULL) {
  63                 store = __SCDynamicStoreNullSession();
  64                 if (store == NULL) {
  65                         /* sorry, you must provide a session */
  66                         _SCErrorSet(kSCStatusNoStoreSession);
  67                         return FALSE;
  68                 }
  69         }
  70
  71         storePrivate = (SCDynamicStorePrivateRef)store;
  72         if (storePrivate->server == MACH_PORT_NULL) {
  73                 _SCErrorSet(kSCStatusNoStoreServer);
  74                 return FALSE;   /* you must have an open session to play */
  75         }
  76
  77         /* serialize the key/value pairs to set*/
  78         if (keysToSet != NULL) {
  79                 CFDictionaryRef newInfo;
  80                 Boolean         ok;
  81
  82                 newInfo = _SCSerializeMultiple(keysToSet);
  83                 if (newInfo == NULL) {
  84                         _SCErrorSet(kSCStatusInvalidArgument);
  85                         return FALSE;
  86                 }
  87
  88                 ok = _SCSerialize(newInfo, &xmlSet, (void **)&mySetRef, &mySetLen);
  89                 CFRelease(newInfo);
  90                 if (!ok) {
  91                         _SCErrorSet(kSCStatusInvalidArgument);
  92                         return FALSE;
  93                 }
  94         }
  95
  96         /* serialize the keys to remove */
  97         if (keysToRemove != NULL) {
  98                 if (!_SCSerialize(keysToRemove, &xmlRemove, (void **)&myRemoveRef, &myRemoveLen)) {
  99                         if (xmlSet != NULL)     CFRelease(xmlSet);
 100                         _SCErrorSet(kSCStatusInvalidArgument);
 101                         return FALSE;
 102                 }
 103         }
 104
 105         /* serialize the keys to notify */
 106         if (keysToNotify != NULL) {
 107                 if (!_SCSerialize(keysToNotify, &xmlNotify, (void **)&myNotifyRef, &myNotifyLen)) {
 108                         if (xmlSet != NULL)     CFRelease(xmlSet);
 109                         if (xmlRemove != NULL)  CFRelease(xmlRemove);
 110                         _SCErrorSet(kSCStatusInvalidArgument);
 111                         return FALSE;
 112                 }
 113         }
 114
 115     retry :
 116
 117         /* send the keys and patterns, fetch the associated result from the server */
 118         status = configset_m(storePrivate->server,
 119                              mySetRef,
 120                              (mach_msg_type_number_t)mySetLen,
 121                              myRemoveRef,
 122                              (mach_msg_type_number_t)myRemoveLen,
 123                              myNotifyRef,
 124                              (mach_msg_type_number_t)myNotifyLen,
 125                              (int *)&sc_status);
 126
 127         if (__SCDynamicStoreCheckRetryAndHandleError(store,
 128                                                      status,
 129                                                      &sc_status,
 130                                                      "SCDynamicStoreSetMultiple configset_m()")) {
 131                 goto retry;
 132         }
 133
 134         /* clean up */
 135         if (xmlSet != NULL)     CFRelease(xmlSet);
 136         if (xmlRemove != NULL)  CFRelease(xmlRemove);
 137         if (xmlNotify != NULL)  CFRelease(xmlNotify);
 138
 139         if (sc_status != kSCStatusOK) {
 140                 _SCErrorSet(sc_status);
 141                 return FALSE;
 142         }
 143
 144         return TRUE;
 145 }
 146
 147 Boolean
 148 SCDynamicStoreSetValue(SCDynamicStoreRef store, CFStringRef key, CFPropertyListRef value)
 149 {
 150         SCDynamicStorePrivateRef        storePrivate;
 151         kern_return_t                   status;
 152         CFDataRef                       utfKey;         /* serialized key */
 153         xmlData_t                       myKeyRef;
 154         CFIndex                         myKeyLen;
 155         CFDataRef                       xmlData;        /* serialized data */
 156         xmlData_t                       myDataRef;
 157         CFIndex                         myDataLen;
 158         int                             sc_status;
 159         int                             newInstance;
 160
 161         if (store == NULL) {
 162                 store = __SCDynamicStoreNullSession();
 163                 if (store == NULL) {
 164                         /* sorry, you must provide a session */
 165                         _SCErrorSet(kSCStatusNoStoreSession);
 166                         return FALSE;
 167                 }
 168         }
 169
 170         storePrivate = (SCDynamicStorePrivateRef)store;
 171         if (storePrivate->server == MACH_PORT_NULL) {
 172                 /* sorry, you must have an open session to play */
 173                 _SCErrorSet(kSCStatusNoStoreServer);
 174                 return FALSE;
 175         }
 176
 177         /* serialize the key */
 178         if (!_SCSerializeString(key, &utfKey, (void **)&myKeyRef, &myKeyLen)) {
 179                 _SCErrorSet(kSCStatusInvalidArgument);
 180                 return FALSE;
 181         }
 182
 183         /* serialize the data */
 184         if (!_SCSerialize(value, &xmlData, (void **)&myDataRef, &myDataLen)) {
 185                 CFRelease(utfKey);
 186                 _SCErrorSet(kSCStatusInvalidArgument);
 187                 return FALSE;
 188         }
 189
 190     retry :
 191
 192         /* send the key & data to the server, get new instance id */
 193         status = configset(storePrivate->server,
 194                            myKeyRef,
 195                            (mach_msg_type_number_t)myKeyLen,
 196                            myDataRef,
 197                            (mach_msg_type_number_t)myDataLen,
 198                            0,
 199                            &newInstance,
 200                            (int *)&sc_status);
 201
 202         if (__SCDynamicStoreCheckRetryAndHandleError(store,
 203                                                      status,
 204                                                      &sc_status,
 205                                                      "SCDynamicStoreSetValue configset()")) {
 206                 goto retry;
 207         }
 208
 209         /* clean up */
 210         CFRelease(utfKey);
 211         CFRelease(xmlData);
 212
 213         if (sc_status != kSCStatusOK) {
 214                 _SCErrorSet(sc_status);
 215                 return FALSE;
 216         }
 217
 218         return TRUE;
 219 }