Got the Feedback service working for APNS

C15-Media/01-Play Audio/ModalMenu.m

@@ -57,7 +57,7 @@ +(NSUInteger) menuWithTitle: (NSString *) title view: (UIView *) aView  andButto
 	UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:title delegate:madelegate cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles:nil];
 
 	// Set max number of items
-	int fewerthan = isLandscape() ? 5 : 8;
+	int fewerthan = isLandscape() ? 8 : 8; // hard coding for this example. This is not a general use case for this class
 	int count = 1;
 	for (NSString *title in buttons) 
 		if (count++ < fewerthan) [actionSheet addButtonWithTitle:title];

C16-Push/01-PushClient/HelloWorld.xcodeproj/project.pbxproj

@@ -165,13 +165,15 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer: Erica Sadun";
 				COPY_PHASE_STRIP = NO;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = HelloWorld_Prefix.pch;
 				INFOPLIST_FILE = "HelloWorld-Info.plist";
 				PRODUCT_NAME = HelloWorld;
+				"PROVISIONING_PROFILE[sdk=iphoneos*]" = "A3F26AFC-7F4C-44C6-B7D7-F54FE50F1AFB";
 			};
 			name = Debug;
 		};

C16-Push/02-PushUtil/APNSHelper.h

@@ -16,5 +16,5 @@
 
 + (APNSHelper *) sharedInstance;
 - (BOOL) push: (NSString *) payload;
-- (NSData *) fetchFeedback;
+- (NSArray *) fetchFeedback;
 @end

C16-Push/02-PushUtil/APNSHelper.m

@@ -140,7 +140,6 @@ - (BOOL) push: (NSString *) payload
 	// Perform SSL handshake.
 	do {result = SSLHandshake(context);} while(result == errSSLWouldBlock);
 
-
 	// Convert string into device token data.
 	NSMutableData *deviceToken = [NSMutableData data];
 	unsigned value;
@@ -190,16 +189,15 @@ - (BOOL) push: (NSString *) payload
 	}
 }
 
-// This is just a guess about how this will work. Not live, can't test.
-- (NSData *) fetchFeedback
+- (NSArray *) fetchFeedback
 {
 	otSocket socket;
 	SSLContextRef context;
 	SecKeychainRef keychain;
 	SecIdentityRef identity;
 	SecCertificateRef certificate;
 	OSStatus result;
-
+	
 	// Ensure device token
 	if (!self.deviceTokenID) 
 	{
@@ -284,6 +282,14 @@ - (NSData *) fetchFeedback
 		printf("Error creating identity from certificate\n");
 		return NO;
 	}
+
+	// Attempt to Disable Verify
+	result = SSLSetEnableCertVerify(context, NO);
+	if (result)
+	{
+		printf("Error disabling cert verify\n");
+		return NO;
+	}
 
 	// Set client certificate.
 	CFArrayRef certificates = CFArrayCreate(NULL, (const void **)&identity, 1, NULL);
@@ -294,23 +300,46 @@ - (NSData *) fetchFeedback
 		CFRelease(certificates);
 		return NO;
 	}
-
 	CFRelease(certificates);
 
 	// Perform SSL handshake.
 	do {result = SSLHandshake(context);} while(result == errSSLWouldBlock);
-
+	if (result)
+	{
+		cssmPerror("Error", result);
+		return NO;
+	}
+
+	NSMutableArray *results = [NSMutableArray array];
+
+	// 4 big endian bytes for time_t
+	// 2 big endian bytes for token length (always 0, 32)
+	// 32 bytes for device token
+
 	// Retrieve message from SSL.
 	size_t processed = 0;
 	char buffer[38];
-	NSMutableData *mdata = [NSMutableData data];
 	do 
 	{
-		(SSLRead(context, buffer, 38, &processed));
-		[mdata appendBytes:buffer length:processed];
+		result = SSLRead(context, buffer, 38, &processed);
+		if (result) break;
+
+		// Recover Date
+		char *b = buffer;
+		NSTimeInterval ti = ((unsigned char)b[0] << 24) + ((unsigned char)b[1] << 16) + ((unsigned char)b[2] << 8) + (unsigned char)b[3];
+		NSDate *date = [NSDate dateWithTimeIntervalSince1970:ti];
+
+		// Recover Device ID
+		NSMutableString *deviceID = [NSMutableString string];
+		b += 6;
+		for (int i = 0; i < 32; i++) [deviceID appendFormat:@"%02x", (unsigned char)b[i]];
+
+		// Add dictionary to results
+		[results addObject:[NSDictionary dictionaryWithObject:date forKey:deviceID]];
+
 	} while (processed > 0);
 
-	return mdata;
+	return results;
 }
 
 - (void) dealloc

C16-Push/02-PushUtil/doit

@@ -0,0 +1 @@
+cp build/Debug/pushutil .

C16-Push/02-PushUtil/pushutil.m

@@ -364,19 +364,44 @@ int main (int argc, const char * argv[]) {
 				exit(-1);
 			}
 
-			printf("Preparing to retrieve feedback\n");
-
 			[APNSHelper sharedInstance].deviceTokenID = dToken;
 			[APNSHelper sharedInstance].certificateData = dCert;
-			NSData *feedbackData = [[APNSHelper sharedInstance] fetchFeedback];
-			printf("Retrieved %d bytes\n", feedbackData.length);
-			if (feedbackData.length > 0)
+			NSArray *resultsArray = [[APNSHelper sharedInstance] fetchFeedback];
+
+			if	(resultsArray.count == 0)
 			{
-				NSString *results = [[NSString alloc] initWithData:feedbackData encoding:NSUTF8StringEncoding];
-				CFShow(results);
-				[results release];
+				printf("No feedback results at this time.\n");
 			}
-			exit(1);
+			else
+			{
+
+				NSString *path = [workingDir() stringByAppendingPathComponent:@"feedback.txt"];
+				FILE *fp;
+				if ((fp = fopen([path UTF8String], "a")) == NULL)
+				{
+					printf("Cannot open feedback.txt for output\n");
+					exit(-1);
+				}
+
+				printf("APNS has encountered the following delivery failures:\n\n");
+				NSDateFormatter *formatter = [[[NSDateFormatter alloc] init] autorelease];
+				formatter.dateFormat = @"MM/dd/YY h:mm:ss a";
+
+				for (NSDictionary *dict in resultsArray)
+				{
+					NSString *deviceid = [[dict allKeys] lastObject];
+					NSDate *date = [dict objectForKey:deviceid];
+					NSString *timestamp = [formatter stringFromDate:date];
+					fprintf(fp, "%s %s\n", [timestamp UTF8String], [deviceid UTF8String]);
+					printf("TIMESTAMP: %s\n", [timestamp UTF8String]);
+					printf("DEVICE ID: %s\n\n", [deviceid UTF8String]);
+				}
+
+				fclose(fp);
+				printf("Wrote %d events to feedback.txt\n", resultsArray.count);
+			}
+
+			exit(1); // successful exit
 		}
 
 		if ([darg caseInsensitiveCompare:@"-undoc"] == NSOrderedSame)  // undocumented