configd-1061.40.2.tar.gz

[apple/configd.git] / SystemConfiguration.fproj / SCDNotifierSetKeys.c

diff --git a/SystemConfiguration.fproj/SCDNotifierSetKeys.c b/SystemConfiguration.fproj/SCDNotifierSetKeys.c
index f504f7cb6bc95c450f5dbd0e456404addb71ef93..4f0c286c49e08802c59c28def5e04a9f9f6d2d91 100644 (file)
--- a/SystemConfiguration.fproj/SCDNotifierSetKeys.c
+++ b/SystemConfiguration.fproj/SCDNotifierSetKeys.c
@@ -1,21 +1,22 @@
 /*
 /*

- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000, 2001, 2003-2005, 2009-2011, 2013, 2016, 2017, 2019 Apple Inc. All rights reserved.

  *
  * @APPLE_LICENSE_HEADER_START@
  *
  *
  * @APPLE_LICENSE_HEADER_START@
  *

- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.

  *
  *

- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER

  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.

  *
  * @APPLE_LICENSE_HEADER_END@
  */
  *
  * @APPLE_LICENSE_HEADER_END@
  */


@@ -27,144 +28,88 @@
  * - initial revision
  */
 
  * - initial revision
  */
 

-#include <mach/mach.h>
-#include <mach/mach_error.h>
-
-#include <SystemConfiguration/SystemConfiguration.h>
-#include <SystemConfiguration/SCPrivate.h>

 #include "SCDynamicStoreInternal.h"
 #include "config.h"            /* MiG generated file */
 
 #include "SCDynamicStoreInternal.h"
 #include "config.h"            /* MiG generated file */
 

-
-static __inline__ void
-my_CFSetApplyFunction(CFSetRef                 theSet,
-                     CFSetApplierFunction      applier,
-                     void                      *context)
-{
-       CFAllocatorRef  myAllocator;
-       CFSetRef        mySet;
-
-       myAllocator = CFGetAllocator(theSet);
-       mySet       = CFSetCreateCopy(myAllocator, theSet);
-       CFSetApplyFunction(mySet, applier, context);
-       CFRelease(mySet);
-       return;
-}
-
-
-/*
- * "context" argument for removeOldKey() and addNewKey()
- */
-typedef struct {
-       SCDynamicStoreRef       store;
-       CFArrayRef              newKeys;        /* for removeOldKey */
-       Boolean                 isRegex;
-       Boolean                 ok;
-} updateKeysContext, *updateKeysContextRef;
-
-
-static void
-removeOldKey(const void *value, void *context)
-{
-       CFStringRef                     oldKey          = (CFStringRef)value;
-       updateKeysContextRef            myContextRef    = (updateKeysContextRef)context;
-
-       if (!myContextRef->ok) {
-               return;
-       }
-
-       if (!myContextRef->newKeys ||
-           !CFArrayContainsValue(myContextRef->newKeys,
-                                 CFRangeMake(0, CFArrayGetCount(myContextRef->newKeys)),
-                                 oldKey)) {
-               /* the old notification key is not being retained, remove it */
-               myContextRef->ok = SCDynamicStoreRemoveWatchedKey(myContextRef->store,
-                                                                 oldKey,
-                                                                 myContextRef->isRegex);
-       }
-
-       return;
-}
-
-
-static void
-addNewKey(const void *value, void *context)
-{
-       CFStringRef                     newKey          = (CFStringRef)value;
-       updateKeysContextRef            myContextRef    = (updateKeysContextRef)context;
-       SCDynamicStorePrivateRef        storePrivate    = (SCDynamicStorePrivateRef)myContextRef->store;
-
-       if (!myContextRef->ok) {
-               return;
-       }
-
-       if (myContextRef->isRegex) {
-               if (!CFSetContainsValue(storePrivate->reKeys, newKey)) {
-                       /* add pattern to this sessions notifier list */
-                       myContextRef->ok = SCDynamicStoreAddWatchedKey(myContextRef->store, newKey, TRUE);
-               }
-       } else {
-               if (!CFSetContainsValue(storePrivate->keys, newKey)) {
-                       /* add key to this sessions notifier list */
-                       myContextRef->ok = SCDynamicStoreAddWatchedKey(myContextRef->store, newKey, FALSE);
-               }
-       }
-
-       return;
-}
-

 Boolean
 SCDynamicStoreSetNotificationKeys(SCDynamicStoreRef    store,
                                  CFArrayRef            keys,
                                  CFArrayRef            patterns)
 {
 Boolean
 SCDynamicStoreSetNotificationKeys(SCDynamicStoreRef    store,
                                  CFArrayRef            keys,
                                  CFArrayRef            patterns)
 {

-       updateKeysContext               myContext;

        SCDynamicStorePrivateRef        storePrivate = (SCDynamicStorePrivateRef)store;
        SCDynamicStorePrivateRef        storePrivate = (SCDynamicStorePrivateRef)store;

-
-       SCLog(_sc_verbose, LOG_DEBUG, CFSTR("SCDynamicStoreSetNotificationKeys:"));
-       SCLog(_sc_verbose, LOG_DEBUG, CFSTR("  keys     = %@"), keys);
-       SCLog(_sc_verbose, LOG_DEBUG, CFSTR("  patterns = %@"), patterns);
-
-       if (!store) {
+       kern_return_t                   status;
+       CFDataRef                       xmlKeys         = NULL; /* keys (XML serialized) */
+       xmlData_t                       myKeysRef       = NULL; /* keys (serialized) */
+       CFIndex                         myKeysLen       = 0;
+       CFDataRef                       xmlPatterns     = NULL; /* patterns (XML serialized) */
+       xmlData_t                       myPatternsRef   = NULL; /* patterns (serialized) */
+       CFIndex                         myPatternsLen   = 0;
+       int                             sc_status;
+       CFMutableArrayRef               tmp;
+
+       if (store == NULL) {

                /* sorry, you must provide a session */
                _SCErrorSet(kSCStatusNoStoreSession);
                return FALSE;
        }
 
        if (storePrivate->server == MACH_PORT_NULL) {
                /* sorry, you must provide a session */
                _SCErrorSet(kSCStatusNoStoreSession);
                return FALSE;
        }
 
        if (storePrivate->server == MACH_PORT_NULL) {

-               /* sorry, you must have an open session to play */

                _SCErrorSet(kSCStatusNoStoreServer);
                _SCErrorSet(kSCStatusNoStoreServer);

-               return FALSE;
+               return FALSE;   /* you must have an open session to play */
+       }
+
+       /* serialize the keys */
+       if (keys != NULL) {
+               if (!_SCSerialize(keys, &xmlKeys, (void **)&myKeysRef, &myKeysLen)) {
+                       _SCErrorSet(kSCStatusFailed);
+                       return FALSE;
+               }
+       }
+
+       /* serialize the patterns */
+       if (patterns != NULL) {
+               if (!_SCSerialize(patterns, &xmlPatterns, (void **)&myPatternsRef, &myPatternsLen)) {
+                       if (xmlKeys != NULL) CFRelease(xmlKeys);
+                       _SCErrorSet(kSCStatusFailed);
+                       return FALSE;
+               }

        }
 
        }
 

-       myContext.ok      = TRUE;
-       myContext.store   = store;

 
 

-       /* remove any previously registered keys */
-       myContext.newKeys = keys;
-       myContext.isRegex = FALSE;
-       my_CFSetApplyFunction(storePrivate->keys, removeOldKey, &myContext);
+    retry :

 
 

-       /* register any new keys */
-       if (keys) {
-               CFArrayApplyFunction(keys,
-                                    CFRangeMake(0, CFArrayGetCount(keys)),
-                                    addNewKey,
-                                    &myContext);
+       /* send the keys and patterns, fetch the associated result from the server */
+       status = notifyset(storePrivate->server,
+                          myKeysRef,
+                          (mach_msg_type_number_t)myKeysLen,
+                          myPatternsRef,
+                          (mach_msg_type_number_t)myPatternsLen,
+                          (int *)&sc_status);
+
+       if (__SCDynamicStoreCheckRetryAndHandleError(store,
+                                                    status,
+                                                    &sc_status,
+                                                    "SCDynamicStoreSetNotificationKeys notifyset()")) {
+               goto retry;

        }
 
        }
 

-       /* remove any previously registered patterns */
-       myContext.newKeys = patterns;
-       myContext.isRegex = TRUE;
-       my_CFSetApplyFunction(storePrivate->reKeys, removeOldKey, &myContext);
-
-       /* register any new patterns */
-       if (patterns) {
-               CFArrayApplyFunction(patterns,
-                                    CFRangeMake(0, CFArrayGetCount(patterns)),
-                                    addNewKey,
-                                    &myContext);
+       /* clean up */
+       if (xmlKeys != NULL)            CFRelease(xmlKeys);
+       if (xmlPatterns != NULL)        CFRelease(xmlPatterns);
+
+       if (sc_status != kSCStatusOK) {
+               _SCErrorSet(sc_status);
+               return FALSE;

        }
 
        }
 

-       return myContext.ok;
+       /* in case we need to re-connect, save the keys/patterns */
+       tmp = (keys != NULL) ? CFArrayCreateMutableCopy(NULL, 0, keys) : NULL;
+       if (storePrivate->keys != NULL) CFRelease(storePrivate->keys);
+       storePrivate->keys = tmp;
+
+       tmp = (patterns != NULL) ? CFArrayCreateMutableCopy(NULL, 0, patterns) : NULL;
+       if (storePrivate->patterns != NULL) CFRelease(storePrivate->patterns);
+       storePrivate->patterns = tmp;
+
+       return TRUE;

 }
 }