configd.tproj/_configclose.c

   1 /*
   2  * Copyright (c) 2000, 2001, 2003, 2004, 2006-2011 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 <unistd.h>
  35
  36 #include "configd.h"
  37 #include "session.h"
  38
  39 #define N_QUICK 16
  40
  41 static Boolean
  42 isMySessionKey(CFStringRef sessionKey, CFStringRef key)
  43 {
  44         CFDictionaryRef dict;
  45         CFStringRef     storeSessionKey;
  46
  47         dict = CFDictionaryGetValue(storeData, key);
  48         if (!dict) {
  49                 /* if key no longer exists */
  50                 return FALSE;
  51         }
  52
  53         storeSessionKey = CFDictionaryGetValue(dict, kSCDSession);
  54         if (!storeSessionKey) {
  55                 /* if this is not a session key */
  56                 return FALSE;
  57         }
  58
  59         if (!CFEqual(sessionKey, storeSessionKey)) {
  60                 /* if this is not "my" session key */
  61                 return FALSE;
  62         }
  63
  64         return TRUE;
  65 }
  66
  67
  68 static void
  69 removeAllKeys(SCDynamicStoreRef store, Boolean isRegex)
  70 {
  71         SCDynamicStorePrivateRef        storePrivate    = (SCDynamicStorePrivateRef)store;
  72         CFArrayRef                      keys;
  73         CFIndex                         n;
  74
  75         keys = isRegex ? storePrivate->patterns : storePrivate->keys;
  76         n = (keys != NULL) ? CFArrayGetCount(keys) : 0;
  77         if (n > 0) {
  78                 CFIndex         i;
  79                 CFArrayRef      keysToRemove;
  80
  81                 keysToRemove = CFArrayCreateCopy(NULL, keys);
  82                 for (i = 0; i < n; i++) {
  83                         (void) __SCDynamicStoreRemoveWatchedKey(store,
  84                                                                 CFArrayGetValueAtIndex(keysToRemove, i),
  85                                                                 isRegex,
  86                                                                 TRUE);
  87                 }
  88                 CFRelease(keysToRemove);
  89         }
  90
  91         return;
  92 }
  93
  94
  95 __private_extern__
  96 int
  97 __SCDynamicStoreClose(SCDynamicStoreRef *store)
  98 {
  99         CFDictionaryRef                 dict;
 100         CFArrayRef                      keys;
 101         CFIndex                         keyCnt;
 102         serverSessionRef                mySession;
 103         CFStringRef                     sessionKey;
 104         SCDynamicStorePrivateRef        storePrivate = (SCDynamicStorePrivateRef)*store;
 105
 106         if (_configd_trace) {
 107                 SCTrace(TRUE, _configd_trace,
 108                         CFSTR("close   : %5d\n"),
 109                         storePrivate->server);
 110         }
 111
 112         /* Remove all notification keys and patterns */
 113         removeAllKeys(*store, FALSE);   // keys
 114         removeAllKeys(*store, TRUE);    // patterns
 115
 116         /* Remove/cancel any outstanding notification requests. */
 117         __MACH_PORT_DEBUG(storePrivate->notifyPort != MACH_PORT_NULL, "*** __SCDynamicStoreClose", storePrivate->notifyPort);
 118         (void) __SCDynamicStoreNotifyCancel(*store);
 119
 120         /* Remove any session keys */
 121         sessionKey = CFStringCreateWithFormat(NULL, NULL, CFSTR("%d"), storePrivate->server);
 122         dict = CFDictionaryGetValue(sessionData, sessionKey);
 123         keys = CFDictionaryGetValue(dict, kSCDSessionKeys);
 124         if (keys && ((keyCnt = CFArrayGetCount(keys)) > 0)) {
 125                 CFIndex i;
 126                 Boolean push    = FALSE;
 127
 128                 /* remove session keys */
 129                 for (i = 0; i < keyCnt; i++) {
 130                         if (isMySessionKey(sessionKey, CFArrayGetValueAtIndex(keys, i))) {
 131                                 (void) __SCDynamicStoreRemoveValue(*store, CFArrayGetValueAtIndex(keys, i), TRUE);
 132                                 push = TRUE;
 133                         }
 134                 }
 135
 136                 if (push) {
 137                         /* push changes */
 138                         (void) __SCDynamicStorePush();
 139                 }
 140         }
 141         CFRelease(sessionKey);
 142
 143         /*
 144          * invalidate and release our run loop source on the server
 145          * port (for this client).  Then, release the port.
 146          */
 147         mySession = getSession(storePrivate->server);
 148         if (mySession->serverRunLoopSource) {
 149                 CFRunLoopSourceInvalidate(mySession->serverRunLoopSource);
 150                 CFRelease(mySession->serverRunLoopSource);
 151                 mySession->serverRunLoopSource = NULL;
 152         }
 153         if (mySession->serverPort != NULL) {
 154                 CFMachPortInvalidate(mySession->serverPort);
 155                 CFRelease(mySession->serverPort);
 156                 mySession->serverPort = NULL;
 157         }
 158
 159         storePrivate->server = MACH_PORT_NULL;
 160         CFRelease(*store);
 161         *store = NULL;
 162
 163         return kSCStatusOK;
 164 }