+/*
+ * Copyright (c) 2002-2003 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ *
+ * 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.
+ *
+ * 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,
+ * 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@
+ */
+
+/*
+ * Modification History
+ *
+ * December 20, 2002 Christophe Allie <callie@apple.com>
+ * - initial revision
+ */
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+#include <CoreFoundation/CoreFoundation.h>
+#include <CoreFoundation/CFRuntime.h>
+
+#include <Security/Security.h>
+#include "dy_framework.h"
+
+#include <SystemConfiguration/SystemConfiguration.h>
+#include <SystemConfiguration/SCPrivate.h>
+#include <SystemConfiguration/SCValidation.h>
+
+#include <pthread.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+#include <netdb.h>
+#include <resolv.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <net/if.h>
+
+#include "ppp.h"
+
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+typedef struct {
+
+ /* base CFType information */
+ CFRuntimeBase cfBase;
+
+ /* service ID */
+ CFStringRef serviceID; /* serviceID */
+
+ int eventRef; /* ref to PPP controller for event messages */
+ CFSocketRef eventRefCF; /* ref to PPP controller for event messages */
+ int controlRef; /* ref to PPP controller for control messages */
+ //u_int32_t status; /* current status of the connection */
+ //char ifname[IFNAMSIZ]; /* ppp interface used for this connection */
+
+ /* run loop source, callout, context, rl scheduling info */
+ CFRunLoopSourceRef rls;
+ SCNetworkConnectionCallBack rlsFunction;
+ SCNetworkConnectionContext rlsContext;
+ CFMutableArrayRef rlList;
+
+} SCNetworkConnectionPrivate, *SCNetworkConnectionPrivateRef;
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+static __inline__ CFTypeRef
+isA_SCNetworkConnection(CFTypeRef obj)
+{
+ return (isA_CFType(obj, SCNetworkConnectionGetTypeID()));
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+static CFStringRef
+__SCNetworkConnectionCopyDescription(CFTypeRef cf)
+{
+ CFAllocatorRef allocator = CFGetAllocator(cf);
+ CFMutableStringRef result;
+ SCNetworkConnectionPrivateRef connectionPrivate = (SCNetworkConnectionPrivateRef)cf;
+
+ result = CFStringCreateMutable(allocator, 0);
+ CFStringAppendFormat(result, NULL, CFSTR("<SCNetworkConnection, %p [%p]> {\n"), cf, allocator);
+ CFStringAppendFormat(result, NULL, CFSTR(" serviceID = %@ \n"), connectionPrivate->serviceID);
+ CFStringAppendFormat(result, NULL, CFSTR("}"));
+
+ return result;
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+static void
+__SCNetworkConnectionDeallocate(CFTypeRef cf)
+{
+ SCNetworkConnectionPrivateRef connectionPrivate = (SCNetworkConnectionPrivateRef)cf;
+
+ SCLog(_sc_verbose, LOG_DEBUG, CFSTR("__SCNetworkConnectionDeallocate:"));
+
+ /* release resources */
+ if (connectionPrivate->eventRef != -1) {
+ while (CFArrayGetCount(connectionPrivate->rlList)) {
+ CFRunLoopRef runLoop;
+ CFStringRef runLoopMode;
+
+ runLoop = (CFRunLoopRef)CFArrayGetValueAtIndex(connectionPrivate->rlList, 1);
+ runLoopMode = CFArrayGetValueAtIndex(connectionPrivate->rlList, 2);
+ CFRunLoopRemoveSource(runLoop, connectionPrivate->rls, runLoopMode);
+
+ CFArrayRemoveValueAtIndex(connectionPrivate->rlList, 2);
+ CFArrayRemoveValueAtIndex(connectionPrivate->rlList, 1);
+ CFArrayRemoveValueAtIndex(connectionPrivate->rlList, 0);
+ }
+ CFRelease(connectionPrivate->rls);
+ CFRelease(connectionPrivate->rlList);
+ //PPPDispose(connectionPrivate->eventRef);
+ CFSocketInvalidate(connectionPrivate->eventRefCF);
+ CFRelease(connectionPrivate->eventRefCF);
+ }
+ if (connectionPrivate->controlRef != -1)
+ PPPDispose(connectionPrivate->controlRef);
+ if (connectionPrivate->rlsContext.release)
+ connectionPrivate->rlsContext.release(connectionPrivate->rlsContext.info);
+ if (connectionPrivate->serviceID)
+ CFRelease(connectionPrivate->serviceID);
+
+ return;
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+static pthread_once_t initialized = PTHREAD_ONCE_INIT;
+
+static CFTypeID __kSCNetworkConnectionTypeID = _kCFRuntimeNotATypeID;
+
+static const CFRuntimeClass __SCNetworkConnectionClass = {
+ 0, // version
+ "SCNetworkConnection", // className
+ NULL, // init
+ NULL, // copy
+ __SCNetworkConnectionDeallocate, // dealloc
+ NULL, // equal
+ NULL, // hash
+ NULL, // copyFormattingDesc
+ __SCNetworkConnectionCopyDescription // copyDebugDesc
+};
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+static void
+__SCNetworkConnectionInitialize(void)
+{
+ __kSCNetworkConnectionTypeID = _CFRuntimeRegisterClass(&__SCNetworkConnectionClass);
+ return;
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+static SCNetworkConnectionPrivateRef
+__SCNetworkConnectionCreatePrivate(CFAllocatorRef allocator, CFStringRef serviceID)
+{
+ SCNetworkConnectionPrivateRef connectionPrivate = 0;
+ uint32_t size;
+ struct ppp_status *stats = 0;
+ int error = kSCStatusFailed;
+
+ /* initialize runtime */
+ pthread_once(&initialized, __SCNetworkConnectionInitialize);
+
+ SCLog(_sc_verbose, LOG_DEBUG, CFSTR("__SCNetworkConnectionCreatePrivate:"));
+
+ /* allocate NetworkConnection */
+ size = sizeof(SCNetworkConnectionPrivate) - sizeof(CFRuntimeBase);
+ connectionPrivate = (SCNetworkConnectionPrivateRef)_CFRuntimeCreateInstance(allocator, __kSCNetworkConnectionTypeID,size, NULL);
+ if (connectionPrivate == 0)
+ goto fail;
+
+ /* zero the data structure */
+ bzero(((u_char*)connectionPrivate)+sizeof(CFRuntimeBase), size);
+
+ /* save the serviceID */
+ connectionPrivate->serviceID = CFStringCreateCopy(NULL, serviceID);
+
+ connectionPrivate->controlRef = -1;
+ connectionPrivate->eventRef = -1;
+
+ if (PPPInit(&connectionPrivate->controlRef))
+ goto fail;
+
+ if (PPPStatus(connectionPrivate->controlRef, serviceID, 0, &stats)) {
+ error = kSCStatusInvalidArgument; // XXX can't get status, invalid service id
+ goto fail;
+ }
+
+ CFAllocatorDeallocate(NULL, stats);
+ stats = 0;
+
+ /* success, return the connection reference */
+ return connectionPrivate;
+
+ fail:
+
+ /* failure, clean up and leave */
+ if (connectionPrivate)
+ CFRelease(connectionPrivate);
+ if (stats)
+ CFAllocatorDeallocate(NULL, stats);
+ _SCErrorSet(error);
+ return NULL;
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+CFTypeID
+SCNetworkConnectionGetTypeID (void) {
+ pthread_once(&initialized, __SCNetworkConnectionInitialize); /* initialize runtime */
+ return __kSCNetworkConnectionTypeID;
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+static SCNetworkConnectionStatus
+__SCNetworkConnectionConvertStatus (int state)
+{
+ SCNetworkConnectionStatus status = kSCNetworkConnectionDisconnected;
+
+ switch (state) {
+ case PPP_INITIALIZE:
+ case PPP_CONNECTLINK:
+ case PPP_ESTABLISH:
+ case PPP_AUTHENTICATE:
+ case PPP_CALLBACK:
+ case PPP_NETWORK:
+ case PPP_WAITONBUSY:
+ status = kSCNetworkConnectionConnecting;
+ break;
+ case PPP_TERMINATE:
+ case PPP_DISCONNECTLINK:
+ case PPP_HOLDOFF:
+ status = kSCNetworkConnectionDisconnecting;
+ break;
+ case PPP_RUNNING:
+ case PPP_ONHOLD:
+ status = kSCNetworkConnectionConnected;
+ break;
+ case PPP_IDLE:
+ case PPP_STATERESERVED:
+ default:
+ status = kSCNetworkConnectionDisconnected;
+ }
+ return status;
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+SCNetworkConnectionRef
+SCNetworkConnectionCreateWithServiceID (CFAllocatorRef allocator,
+ CFStringRef serviceID,
+ SCNetworkConnectionCallBack callout,
+ SCNetworkConnectionContext *context)
+{
+ SCNetworkConnectionPrivateRef connectionPrivate;
+
+ if (!isA_CFString(serviceID)) {
+ _SCErrorSet(kSCStatusInvalidArgument);
+ return NULL;
+ }
+
+ connectionPrivate = __SCNetworkConnectionCreatePrivate(allocator, serviceID);
+
+ if (connectionPrivate) {
+ connectionPrivate->rlsFunction = callout;
+ if (context) {
+ bcopy(context, &connectionPrivate->rlsContext, sizeof(SCNetworkConnectionContext));
+ if (context->retain) {
+ connectionPrivate->rlsContext.info = (void *)context->retain(context->info);
+ }
+ }
+ }
+
+ return (SCNetworkConnectionRef)connectionPrivate;
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+CFStringRef
+SCNetworkConnectionCopyServiceID (SCNetworkConnectionRef connection)
+{
+ if (!isA_SCNetworkConnection(connection)) {
+ _SCErrorSet(kSCStatusInvalidArgument);
+ return NULL;
+ }
+
+ return CFRetain(((SCNetworkConnectionPrivateRef)connection)->serviceID);
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+CFDictionaryRef
+SCNetworkConnectionCopyStatistics (SCNetworkConnectionRef connection)
+{
+ SCNetworkConnectionPrivateRef connectionPrivate = (SCNetworkConnectionPrivateRef)connection;
+ int error = kSCStatusFailed;
+ struct ppp_status *stats = 0;
+ CFMutableDictionaryRef dict = 0;
+ CFMutableDictionaryRef statsdict = 0;
+
+#define ADDNUMBER(d, k, n) \
+{ \
+ CFNumberRef num; \
+ num = CFNumberCreate(NULL, kCFNumberSInt32Type, n); \
+ if (num) { \
+ CFDictionaryAddValue(d, k, num); \
+ CFRelease(num); \
+ } \
+}
+
+ if (!isA_SCNetworkConnection(connection)) {
+ _SCErrorSet(kSCStatusInvalidArgument);
+ return NULL;
+ }
+
+ /* get status and check connected state */
+ if (PPPStatus(connectionPrivate->controlRef, connectionPrivate->serviceID, 0, &stats))
+ goto fail;
+
+ if (__SCNetworkConnectionConvertStatus(stats->status) != kSCNetworkConnectionConnected)
+ goto fail;
+
+ /* create dictionaries */
+ if ((statsdict = CFDictionaryCreateMutable(NULL, 0, &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks)) == 0)
+ goto fail;
+
+ if ((dict = CFDictionaryCreateMutable(NULL, 0, &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks)) == 0)
+ goto fail;
+
+ /* add statistics */
+ ADDNUMBER(dict, kSCNetworkConnectionBytesIn, &stats->s.run.inBytes);
+ ADDNUMBER(dict, kSCNetworkConnectionBytesOut, &stats->s.run.outBytes);
+ ADDNUMBER(dict, kSCNetworkConnectionPacketsIn, &stats->s.run.inPackets);
+ ADDNUMBER(dict, kSCNetworkConnectionPacketsOut, &stats->s.run.outPackets);
+ ADDNUMBER(dict, kSCNetworkConnectionErrorsIn, &stats->s.run.inErrors);
+ ADDNUMBER(dict, kSCNetworkConnectionErrorsOut, &stats->s.run.outErrors);
+
+ /* add the PPP dictionary to the statistics dictionary */
+ CFDictionaryAddValue(statsdict, kSCEntNetPPP, dict);
+ CFRelease(dict);
+
+ /* done */
+ CFAllocatorDeallocate(NULL, stats);
+ return statsdict;
+
+ fail:
+
+ if (stats)
+ CFAllocatorDeallocate(NULL, stats);
+ if (dict)
+ CFRelease(dict);
+ if (statsdict)
+ CFRelease(statsdict);
+ _SCErrorSet(error);
+ return NULL;
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+SCNetworkConnectionStatus
+SCNetworkConnectionGetStatus (SCNetworkConnectionRef connection)
+{
+ SCNetworkConnectionPrivateRef connectionPrivate = (SCNetworkConnectionPrivateRef)connection;
+ struct ppp_status *stats = 0;
+ SCNetworkConnectionStatus status;
+
+ if (!isA_SCNetworkConnection(connection)) {
+ _SCErrorSet(kSCStatusInvalidArgument);
+ return NULL;
+ }
+
+ if (PPPStatus(connectionPrivate->controlRef, connectionPrivate->serviceID, 0, &stats))
+ return kSCNetworkConnectionDisconnected; // XXX
+
+ status = __SCNetworkConnectionConvertStatus(stats->status);
+
+ CFAllocatorDeallocate(NULL, stats);
+ return status;
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+CFDictionaryRef
+SCNetworkConnectionCopyExtendedStatus (SCNetworkConnectionRef connection)
+{
+ SCNetworkConnectionPrivateRef connectionPrivate = (SCNetworkConnectionPrivateRef)connection;
+ CFPropertyListRef status = 0;
+ void *data = 0;
+ u_int32_t datalen;
+
+ if (!isA_SCNetworkConnection(connection)) {
+ _SCErrorSet(kSCStatusInvalidArgument);
+ return NULL;
+ }
+
+ if (PPPExtendedStatus(connectionPrivate->controlRef, connectionPrivate->serviceID, 0, &data, &datalen))
+ goto fail;
+
+ if (!data
+ || !(status = PPPUnserialize(data, datalen))
+ || !isA_CFDictionary(status))
+ goto fail;
+
+ CFAllocatorDeallocate(NULL, data);
+ return status;
+
+ fail:
+
+ _SCErrorSet(kSCStatusFailed);
+ if (status)
+ CFRelease(status);
+ if (data)
+ CFAllocatorDeallocate(NULL, data);
+ return NULL;
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+Boolean
+SCNetworkConnectionStart (SCNetworkConnectionRef connection,
+ CFDictionaryRef userOptions,
+ Boolean linger)
+{
+ SCNetworkConnectionPrivateRef connectionPrivate = (SCNetworkConnectionPrivateRef)connection;
+ CFDataRef dataref = 0;
+ void *data = 0;
+ u_int32_t datalen = 0;
+
+ if (!isA_SCNetworkConnection(connection)) {
+ _SCErrorSet(kSCStatusInvalidArgument);
+ return NULL;
+ }
+
+ if (userOptions && !(dataref = PPPSerialize(userOptions, &data, &datalen)))
+ goto fail;
+
+ if (PPPConnect(connectionPrivate->controlRef, connectionPrivate->serviceID, 0, data, datalen, linger))
+ goto fail;
+
+ if (dataref)
+ CFRelease(dataref);
+
+ /* connection is now started */
+ return TRUE;
+
+ fail:
+
+ if (dataref)
+ CFRelease(dataref);
+ _SCErrorSet(kSCStatusFailed); // XXX
+ return FALSE;
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+Boolean
+SCNetworkConnectionStop (SCNetworkConnectionRef connection,
+ Boolean forceDisconnect)
+{
+ SCNetworkConnectionPrivateRef connectionPrivate = (SCNetworkConnectionPrivateRef)connection;
+
+ if (!isA_SCNetworkConnection(connection)) {
+ _SCErrorSet(kSCStatusInvalidArgument);
+ return FALSE;
+ }
+
+ if (PPPDisconnect(connectionPrivate->controlRef, connectionPrivate->serviceID, 0, forceDisconnect)) {
+ _SCErrorSet(kSCStatusFailed);
+ return FALSE;
+ }
+
+ /* connection is now disconnecting */
+ return TRUE;
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+Boolean
+SCNetworkConnectionSuspend (SCNetworkConnectionRef connection)
+{
+ SCNetworkConnectionPrivateRef connectionPrivate = (SCNetworkConnectionPrivateRef)connection;
+
+ if (!isA_SCNetworkConnection(connection)) {
+ _SCErrorSet(kSCStatusInvalidArgument);
+ return NULL;
+ }
+
+ if (PPPSuspend(connectionPrivate->controlRef, connectionPrivate->serviceID, 0)) {
+ _SCErrorSet(kSCStatusFailed);
+ return FALSE;
+ }
+
+ /* connection is now suspended */
+ return TRUE;
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+Boolean
+SCNetworkConnectionResume (SCNetworkConnectionRef connection)
+{
+ SCNetworkConnectionPrivateRef connectionPrivate = (SCNetworkConnectionPrivateRef)connection;
+
+ if (!isA_SCNetworkConnection(connection)) {
+ _SCErrorSet(kSCStatusInvalidArgument);
+ return NULL;
+ }
+
+ if (PPPResume(connectionPrivate->controlRef, connectionPrivate->serviceID, 0)) {
+ _SCErrorSet(kSCStatusFailed);
+ return FALSE;
+ }
+
+ /* connection is now resume */
+ return TRUE;
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+CFDictionaryRef
+SCNetworkConnectionCopyUserOptions (SCNetworkConnectionRef connection)
+{
+ SCNetworkConnectionPrivateRef connectionPrivate = (SCNetworkConnectionPrivateRef)connection;
+ void *data = 0;
+ u_int32_t datalen;
+ CFPropertyListRef userOptions = 0;
+
+ if (!isA_SCNetworkConnection(connection)) {
+ _SCErrorSet(kSCStatusInvalidArgument);
+ return NULL;
+ }
+
+ if (PPPGetConnectData(connectionPrivate->controlRef, connectionPrivate->serviceID, 0, &data, &datalen))
+ goto fail;
+
+ // no data were used, return an empty dictionary
+ if (data == 0) {
+ CFDictionaryRef dict;
+
+ dict = CFDictionaryCreateMutable(NULL, 0, &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
+ if (dict == 0)
+ _SCErrorSet(kSCStatusFailed); // XXX
+ return dict;
+ }
+
+ userOptions = PPPUnserialize(data, datalen);
+ if (!isA_CFDictionary(userOptions))
+ goto fail;
+
+ CFAllocatorDeallocate(NULL, data);
+ return userOptions;
+
+ fail:
+
+ _SCErrorSet(kSCStatusFailed);
+ if (userOptions)
+ CFRelease(userOptions);
+ if (data)
+ CFAllocatorDeallocate(NULL, data);
+ return NULL;
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+static Boolean
+__isScheduled(CFTypeRef obj, CFRunLoopRef runLoop, CFStringRef runLoopMode, CFMutableArrayRef rlList)
+{
+ CFIndex i;
+ CFIndex n = CFArrayGetCount(rlList);
+
+ for (i = 0; i < n; i += 3) {
+ if (obj && !CFEqual(obj, CFArrayGetValueAtIndex(rlList, i))) {
+ continue;
+ }
+ if (runLoop && !CFEqual(runLoop, CFArrayGetValueAtIndex(rlList, i+1))) {
+ continue;
+ }
+ if (runLoopMode && !CFEqual(runLoopMode, CFArrayGetValueAtIndex(rlList, i+2))) {
+ continue;
+ }
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+static void
+__schedule(CFTypeRef obj, CFRunLoopRef runLoop, CFStringRef runLoopMode, CFMutableArrayRef rlList)
+{
+ CFArrayAppendValue(rlList, obj);
+ CFArrayAppendValue(rlList, runLoop);
+ CFArrayAppendValue(rlList, runLoopMode);
+
+ return;
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+static Boolean
+__unschedule(CFTypeRef obj, CFRunLoopRef runLoop, CFStringRef runLoopMode, CFMutableArrayRef rlList, Boolean all)
+{
+ CFIndex i = 0;
+ Boolean found = FALSE;
+ CFIndex n = CFArrayGetCount(rlList);
+
+ while (i < n) {
+ if (obj && !CFEqual(obj, CFArrayGetValueAtIndex(rlList, i))) {
+ i += 3;
+ continue;
+ }
+ if (runLoop && !CFEqual(runLoop, CFArrayGetValueAtIndex(rlList, i+1))) {
+ i += 3;
+ continue;
+ }
+ if (runLoopMode && !CFEqual(runLoopMode, CFArrayGetValueAtIndex(rlList, i+2))) {
+ i += 3;
+ continue;
+ }
+
+ found = TRUE;
+
+ CFArrayRemoveValueAtIndex(rlList, i + 2);
+ CFArrayRemoveValueAtIndex(rlList, i + 1);
+ CFArrayRemoveValueAtIndex(rlList, i);
+
+ if (!all) {
+ return found;
+ }
+
+ n -= 3;
+ }
+
+ return found;
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+static void
+__SCNetworkConnectionCallBack(CFSocketRef inref,
+ CFSocketCallBackType type,
+ CFDataRef address,
+ const void *data,
+ void *info)
+{
+ void *context_info;
+ void (*context_release)(const void *);
+ SCNetworkConnectionRef connection = (SCNetworkConnectionRef)info;
+ SCNetworkConnectionPrivateRef connectionPrivate = (SCNetworkConnectionPrivateRef)connection;
+ SCNetworkConnectionCallBack rlsFunction;
+ SCNetworkConnectionStatus status;
+ int pppstatus;
+ int err;
+
+ err = PPPReadEvent(connectionPrivate->eventRef, &pppstatus);
+ if (err)
+ return;
+
+ rlsFunction = connectionPrivate->rlsFunction;
+ if (connectionPrivate->rlsContext.retain && connectionPrivate->rlsContext.info) {
+ context_info = (void *)connectionPrivate->rlsContext.retain(connectionPrivate->rlsContext.info);
+ context_release = connectionPrivate->rlsContext.release;
+ }
+ else {
+ context_info = connectionPrivate->rlsContext.info;
+ context_release = NULL;
+ }
+
+ status = __SCNetworkConnectionConvertStatus(pppstatus);
+
+ (*rlsFunction)(connection, status, context_info);
+ if (context_release && context_info) {
+ context_release(context_info);
+ }
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+Boolean
+SCNetworkConnectionScheduleWithRunLoop(SCNetworkConnectionRef connection,
+ CFRunLoopRef runLoop,
+ CFStringRef runLoopMode)
+{
+ SCNetworkConnectionPrivateRef connectionPrivate = (SCNetworkConnectionPrivateRef)connection;
+ //CFSocketRef ref;
+
+ if (!isA_SCNetworkConnection(connection) || runLoop == NULL || runLoopMode == NULL) {
+ _SCErrorSet(kSCStatusInvalidArgument);
+ return FALSE;
+ }
+
+ if (connectionPrivate->rlsFunction == 0) {
+ _SCErrorSet(kSCStatusInvalidArgument);
+ return FALSE;
+ }
+
+ if (connectionPrivate->rlList
+ && __isScheduled(NULL, runLoop, runLoopMode, connectionPrivate->rlList)) {
+ /* already scheduled */
+ _SCErrorSet(kSCStatusFailed);
+ return FALSE;
+ }
+
+ if (connectionPrivate->eventRef == -1) {
+ CFSocketContext context = { 0, (void*)connection, CFRetain, CFRelease, CFCopyDescription };
+
+ if (PPPInit(&connectionPrivate->eventRef)) {
+ _SCErrorSet(kSCStatusFailed);
+ return FALSE;
+ }
+
+ PPPEnableEvents(connectionPrivate->eventRef, connectionPrivate->serviceID, 0, 1);
+
+ connectionPrivate->eventRefCF = CFSocketCreateWithNative(NULL, connectionPrivate->eventRef,
+ kCFSocketReadCallBack, __SCNetworkConnectionCallBack, &context);
+ connectionPrivate->rls = CFSocketCreateRunLoopSource(NULL, connectionPrivate->eventRefCF, 0);
+ connectionPrivate->rlList = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
+
+ //CFRelease(ref);
+ }
+
+ CFRunLoopAddSource(runLoop, connectionPrivate->rls, runLoopMode);
+ __schedule(connectionPrivate, runLoop, runLoopMode, connectionPrivate->rlList);
+
+ return TRUE;
+}
+
+/* -------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------- */
+
+Boolean
+SCNetworkConnectionUnscheduleFromRunLoop(SCNetworkConnectionRef connection,
+ CFRunLoopRef runLoop,
+ CFStringRef runLoopMode)
+{
+ SCNetworkConnectionPrivateRef connectionPrivate = (SCNetworkConnectionPrivateRef)connection;
+
+ if (!isA_SCNetworkConnection(connection) || runLoop == NULL || runLoopMode == NULL) {
+ _SCErrorSet(kSCStatusInvalidArgument);
+ return FALSE;
+ }
+
+ if (connectionPrivate->rlList == NULL
+ || !__unschedule(connectionPrivate, runLoop, runLoopMode, connectionPrivate->rlList, FALSE)) {
+ /* if not currently scheduled */
+ _SCErrorSet(kSCStatusFailed);
+ return FALSE;
+ }
+
+ CFRunLoopRemoveSource(runLoop, connectionPrivate->rls, runLoopMode);
+
+ if (CFArrayGetCount(connectionPrivate->rlList) == 0) {
+ CFRelease(connectionPrivate->rls);
+ connectionPrivate->rls = NULL;
+ CFRelease(connectionPrivate->rlList);
+ connectionPrivate->rlList = NULL;
+ //PPPDispose(connectionPrivate->eventRef);
+ CFSocketInvalidate(connectionPrivate->eventRefCF);
+ CFRelease(connectionPrivate->eventRefCF);
+ connectionPrivate->eventRefCF = 0;
+ connectionPrivate->eventRef = -1;
+ }
+
+ return TRUE;
+}
+
+
+//************************* USER LEVEL DIAL API **********************************
+
+
+#define k_NetworkConnect_Pref_File CFSTR("com.apple.networkConnect")
+#define k_InterentConnect_Pref_File CFSTR("com.apple.internetconnect")
+
+#define k_Dial_Default_Key CFSTR("ConnectByDefault") // needs to go into SC
+#define k_Last_Service_Id_Key CFSTR("ServiceID")
+#define k_Unique_Id_Key CFSTR("UniqueIdentifier")
+
+
+/* Private Prototypes */
+static Boolean SCNetworkConnectionPrivateCopyDefaultServiceIDForDial (SCDynamicStoreRef session, CFStringRef *serviceID);
+static Boolean SCNetworkConnectionPrivateGetPPPServiceFromDynamicStore (SCDynamicStoreRef session, CFStringRef *serviceID);
+static Boolean SCNetworkConnectionPrivateCopyDefaultUserOptionsFromArray(CFArrayRef userOptionsArray, CFDictionaryRef *userOptions);
+static Boolean SCNetworkConnectionPrivateIsPPPService (SCDynamicStoreRef session, CFStringRef serviceID);
+static void addPasswordFromKeychain(CFDictionaryRef *userOptions);
+static CFArrayRef copyKeychainEnumerator(CFStringRef uniqueIdentifier);
+
+Boolean
+SCNetworkConnectionCopyUserPreferences (CFDictionaryRef selectionOptions,
+ CFStringRef *serviceID,
+ CFDictionaryRef *userOptions)
+{
+ SCDynamicStoreRef session = SCDynamicStoreCreate(NULL, CFSTR("SCNetworkConnection"), NULL, NULL);
+ Boolean success = FALSE;
+
+ // NOTE: we are currently ignoring selectionOptions
+
+ if (session != NULL) {
+ // (1) Figure out which service ID we care about, allocate it into passed "serviceID"
+ success = SCNetworkConnectionPrivateCopyDefaultServiceIDForDial(session, serviceID);
+
+ if (success && (*serviceID != NULL)) {
+ // (2) Get the list of user data for this service ID
+ CFPropertyListRef userServices = CFPreferencesCopyValue(*serviceID,
+ k_NetworkConnect_Pref_File,
+ kCFPreferencesCurrentUser,
+ kCFPreferencesCurrentHost);
+
+ // (3) We are expecting an array if the user has defined records for this service ID or NULL if the user hasn't
+ if (userServices != NULL) {
+ if (isA_CFArray(userServices)) {
+ // (4) Get the default set of user options for this service
+ success = SCNetworkConnectionPrivateCopyDefaultUserOptionsFromArray(
+ (CFArrayRef)userServices,
+ userOptions);
+ if(success && userOptions != NULL)
+ {
+ addPasswordFromKeychain(userOptions);
+ }
+ } else {
+ fprintf(stderr, "Error, userServices are not of type CFArray!\n");
+ }
+
+ CFRelease(userServices); // this is OK because SCNetworkConnectionPrivateISExpectedCFType() checks for NULL
+ }
+ }
+
+ CFRelease(session);
+ } else {
+ fprintf(stderr, "Error, SCNetworkConnectionCopyUserPreferences, SCDynamicStoreCreate() returned NULL!\n");
+ }
+
+ return success;
+}
+
+//*******************************************************************************************
+// SCNetworkConnectionPrivateCopyDefaultServiceIDForDial
+// ----------------------------------------------------
+// Try to find the service id to connect
+// (1) Start by looking at the last service used in Internet Connect
+// (2) If Internet Connect has not been used, find the PPP service with the highest ordering
+//********************************************************************************************
+static Boolean
+SCNetworkConnectionPrivateCopyDefaultServiceIDForDial(SCDynamicStoreRef session, CFStringRef *serviceID)
+{
+ Boolean foundService = FALSE;
+ CFPropertyListRef lastServiceSelectedInIC = NULL;
+
+ // NULL out the pointer
+ *serviceID = NULL;
+
+ // read out the last service from the Internet Connect preference file
+ lastServiceSelectedInIC = CFPreferencesCopyValue(k_Last_Service_Id_Key,
+ k_InterentConnect_Pref_File,
+ kCFPreferencesCurrentUser,
+ kCFPreferencesAnyHost);
+
+ // we found the service the user last had open in IC
+ if (lastServiceSelectedInIC != NULL) {
+ // make sure its a PPP service
+ if (SCNetworkConnectionPrivateIsPPPService(session, lastServiceSelectedInIC)) {
+ // make sure the service that we found is valid
+ CFDictionaryRef dict;
+ CFStringRef key;
+
+ key = SCDynamicStoreKeyCreateNetworkServiceEntity(NULL,
+ kSCDynamicStoreDomainSetup,
+ lastServiceSelectedInIC,
+ kSCEntNetInterface);
+ dict = SCDynamicStoreCopyValue(session, key);
+ CFRelease(key);
+ if (dict) {
+ *serviceID = CFRetain(lastServiceSelectedInIC);
+ foundService = TRUE;
+ CFRelease(dict);
+ }
+ }
+ CFRelease(lastServiceSelectedInIC);
+ }
+
+ if (!foundService) {
+ foundService = SCNetworkConnectionPrivateGetPPPServiceFromDynamicStore(session, serviceID);
+ }
+
+ return foundService;
+}
+
+//********************************************************************************
+// SCNetworkConnectionPrivateGetPPPServiceFromDynamicStore
+// -------------------------------------------------------
+// Find the highest ordered PPP service in the dynamic store
+//********************************************************************************
+static Boolean
+SCNetworkConnectionPrivateGetPPPServiceFromDynamicStore(SCDynamicStoreRef session, CFStringRef *serviceID)
+{
+ Boolean success = FALSE;
+ CFStringRef key = NULL;
+ CFDictionaryRef dict = NULL;
+ CFArrayRef serviceIDs = NULL;
+
+ *serviceID = NULL;
+
+ do {
+ CFIndex count;
+ CFIndex i;
+
+ key = SCDynamicStoreKeyCreateNetworkGlobalEntity(NULL, kSCDynamicStoreDomainSetup, kSCEntNetIPv4);
+ if (key == NULL) {
+ fprintf(stderr, "Error, Setup Key == NULL!\n");
+ break;
+ }
+
+ dict = SCDynamicStoreCopyValue(session, key);
+ if (dict == NULL) {
+ fprintf(stderr, "Error, Dictionary for setup key == NULL!\n");
+ break;
+ }
+
+ serviceIDs = CFDictionaryGetValue(dict, kSCPropNetServiceOrder); // array of service id's
+ if (isA_CFArray(serviceIDs) == NULL) {
+ if (serviceIDs == NULL)
+ fprintf(stderr, "Error, Array of service IDs == NULL!\n");
+ else
+ fprintf(stderr, "Error, serviceIds are not of type CFArray!\n");
+ break;
+ }
+
+ count = CFArrayGetCount(serviceIDs);
+ for (i = 0; i < count; i++) {
+ CFStringRef service = CFArrayGetValueAtIndex(serviceIDs, i);
+
+ if (SCNetworkConnectionPrivateIsPPPService(session, service)) {
+ *serviceID = CFRetain(service);
+ success = TRUE;
+ break;
+ }
+ }
+ } while (FALSE);
+
+ if (key != NULL)
+ CFRelease(key);
+
+ if (dict != NULL)
+ CFRelease(dict);
+
+ return success;
+}
+
+//********************************************************************************
+// SCNetworkConnectionPrivateCopyDefaultUserOptionsFromArray
+// ---------------------------------------------------------
+// Copy over user preferences for a particular service if they exist
+//********************************************************************************
+static Boolean
+SCNetworkConnectionPrivateCopyDefaultUserOptionsFromArray(CFArrayRef userOptionsArray, CFDictionaryRef *userOptions)
+{
+ CFIndex count = CFArrayGetCount(userOptionsArray);
+ int i;
+
+ *userOptions = NULL;
+
+ for (i = 0; i < count; i++) {
+ // (1) Find the dictionary
+ CFPropertyListRef propertyList = CFArrayGetValueAtIndex(userOptionsArray, i);
+
+ if (isA_CFDictionary(propertyList) != NULL) {
+ // See if there's a value for dial on demand
+ CFPropertyListRef value = CFDictionaryGetValue((CFDictionaryRef)propertyList,
+ k_Dial_Default_Key);
+ if (isA_CFBoolean(value) != NULL) {
+ if (CFBooleanGetValue(value)) {
+ // we found the default user options
+ *userOptions = CFDictionaryCreateCopy(NULL,
+ (CFDictionaryRef)propertyList);
+ break;
+ }
+ }
+ }
+ }
+
+ return TRUE;
+}
+
+//********************************************************************************
+// SCNetworkConnectionPrivateIsPPPService
+// --------------------------------------
+// Check and see if the service is a PPP service
+//********************************************************************************
+static Boolean
+SCNetworkConnectionPrivateIsPPPService(SCDynamicStoreRef session, CFStringRef serviceID)
+{
+ CFStringRef entityKey;
+ Boolean isPPPService = FALSE;
+ Boolean isModemOrPPPoE = FALSE;
+
+ entityKey = SCDynamicStoreKeyCreateNetworkServiceEntity(NULL,
+ kSCDynamicStoreDomainSetup,
+ serviceID,
+ kSCEntNetInterface);
+ if (entityKey != NULL) {
+ CFDictionaryRef serviceDict;
+
+ serviceDict = SCDynamicStoreCopyValue(session, entityKey);
+ if (serviceDict != NULL) {
+ if (isA_CFDictionary(serviceDict)) {
+ CFStringRef type;
+ CFStringRef subtype;
+
+ type = CFDictionaryGetValue(serviceDict, kSCPropNetInterfaceType);
+ if (isA_CFString(type)) {
+ isPPPService = CFEqual(type, kSCValNetInterfaceTypePPP);
+ }
+
+ subtype = CFDictionaryGetValue(serviceDict, kSCPropNetInterfaceSubType);
+ if (isA_CFString(subtype)) {
+ isModemOrPPPoE = (CFEqual(subtype, kSCValNetInterfaceSubTypePPPSerial) ||
+ CFEqual(subtype, kSCValNetInterfaceSubTypePPPoE));
+ }
+ }
+ CFRelease(serviceDict);
+ }
+ CFRelease(entityKey);
+ }
+
+ return (isPPPService && isModemOrPPPoE);
+}
+
+//********************************************************************************
+// addPasswordFromKeychain
+// --------------------------------------
+// Get the password out of the keychain and add it to the PPP dictionary
+//********************************************************************************
+static void
+addPasswordFromKeychain(CFDictionaryRef *userOptions)
+{
+ CFArrayRef enumerator;
+ CFIndex n;
+ CFDictionaryRef oldDict;
+ CFPropertyListRef uniqueID = NULL;
+
+ oldDict = *userOptions;
+ if(oldDict == NULL) {
+ return; // if no userOptions
+ }
+
+ uniqueID = CFDictionaryGetValue(oldDict, k_Unique_Id_Key);
+ if(!isA_CFString(uniqueID)) {
+ return; // if no unique ID
+ }
+
+ enumerator = copyKeychainEnumerator(uniqueID);
+ if(enumerator == NULL) {
+ return; // if no keychain enumerator
+ }
+
+
+ n = CFArrayGetCount(enumerator);
+ if (n > 0) {
+ void *data = NULL;
+ UInt32 dataLen = 0;
+ SecKeychainItemRef itemRef;
+ OSStatus result;
+
+ itemRef = (SecKeychainItemRef)CFArrayGetValueAtIndex(enumerator, 0);
+ result = SecKeychainItemCopyContent(itemRef, // itemRef
+ NULL, // itemClass
+ NULL, // attrList
+ &dataLen, // length
+ (void *)&data); // outData
+ if(result == noErr && data != NULL && dataLen > 0) {
+ CFStringRef pass;
+
+ pass = CFStringCreateWithBytes(NULL, data, dataLen, kCFStringEncodingUTF8, TRUE);
+ if (pass) {
+ CFMutableDictionaryRef newDict;
+ CFMutableDictionaryRef newPPP;
+ CFDictionaryRef pppDict;
+
+ newDict = CFDictionaryCreateMutableCopy(NULL, 0, oldDict);
+ pppDict = CFDictionaryGetValue(newDict, kSCEntNetPPP);
+ if (isA_CFDictionary(pppDict)) {
+ newPPP = CFDictionaryCreateMutableCopy(NULL, 0, pppDict);
+ } else {
+ newPPP = CFDictionaryCreateMutable(NULL,
+ 0,
+ &kCFTypeDictionaryKeyCallBacks,
+ &kCFTypeDictionaryValueCallBacks);
+ }
+
+ // set the PPP password
+ CFDictionarySetValue(newPPP, kSCPropNetPPPAuthPassword, pass);
+ CFRelease(pass);
+
+ // update the PPP entity
+ CFDictionarySetValue(newDict, kSCEntNetPPP, newPPP);
+ CFRelease(newPPP);
+
+ // update the userOptions dictionary
+ CFRelease(oldDict);
+ *userOptions = CFDictionaryCreateCopy(NULL, newDict);
+ CFRelease(newDict);
+ }
+ }
+ }
+
+ CFRelease(enumerator);
+ return;
+}
+
+//********************************************************************************
+// copyKeychainEnumerator
+// --------------------------------------
+// Gather Keychain Enumerator
+//********************************************************************************
+static CFArrayRef
+copyKeychainEnumerator(CFStringRef uniqueIdentifier)
+{
+ char *buf = NULL;
+ CFMutableArrayRef itemArray = NULL;
+ OSStatus result;
+ SecKeychainSearchRef search = NULL;
+
+ buf = _SC_cfstring_to_cstring(uniqueIdentifier, NULL, 0, kCFStringEncodingUTF8);
+ if (buf != NULL) {
+ // search for unique identifier in "svce" attribute
+ SecKeychainAttribute attributes[] = {{ kSecServiceItemAttr,
+ CFStringGetLength(uniqueIdentifier),
+ (void *)buf
+ }};
+
+ SecKeychainAttributeList attrList = { sizeof(attributes) / sizeof(*attributes),
+ attributes };
+
+ result = SecKeychainSearchCreateFromAttributes(NULL, kSecGenericPasswordItemClass, &attrList, &search);
+ if (result == noErr) {
+ itemArray = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
+
+ while (result == noErr) {
+ SecKeychainItemRef itemFound = NULL;
+
+ result = SecKeychainSearchCopyNext(search, &itemFound);
+ if (result != noErr) {
+ break;
+ }
+
+ if (itemFound) {
+ CFArrayAppendValue(itemArray, itemFound);
+ CFRelease(itemFound);
+ }
+ }
+ }
+ }
+
+ if (search) CFRelease(search);
+ if (buf) CFAllocatorDeallocate(NULL, buf);
+
+ return itemArray;
+}
projects / apple / configd.git / blobdiff