mirror of
https://github.com/moonlight-stream/moonlight-ios.git
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85 lines
2.2 KiB
Objective-C
85 lines
2.2 KiB
Objective-C
//
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// Utils.m
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// Moonlight
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//
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// Created by Diego Waxemberg on 10/20/14.
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// Copyright (c) 2014 Moonlight Stream. All rights reserved.
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//
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#import "Utils.h"
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <netdb.h>
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@implementation Utils
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NSString *const deviceName = @"roth";
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+ (NSData*) randomBytes:(NSInteger)length {
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char* bytes = malloc(length);
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arc4random_buf(bytes, length);
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NSData* randomData = [NSData dataWithBytes:bytes length:length];
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free(bytes);
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return randomData;
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}
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+ (NSData*) hexToBytes:(NSString*) hex {
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unsigned long len = [hex length];
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NSMutableData* data = [NSMutableData dataWithCapacity:len / 2];
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char byteChars[3] = {'\0','\0','\0'};
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unsigned long wholeByte;
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const char *chars = [hex UTF8String];
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int i = 0;
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while (i < len) {
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byteChars[0] = chars[i++];
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byteChars[1] = chars[i++];
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wholeByte = strtoul(byteChars, NULL, 16);
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[data appendBytes:&wholeByte length:1];
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}
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return data;
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}
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+ (NSString*) bytesToHex:(NSData*)data {
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const unsigned char* bytes = [data bytes];
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NSMutableString *hex = [[NSMutableString alloc] init];
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for (int i = 0; i < [data length]; i++) {
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[hex appendFormat:@"%02X" , bytes[i]];
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}
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return hex;
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}
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+ (BOOL)isActiveNetworkVPN {
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NSDictionary *dict = CFBridgingRelease(CFNetworkCopySystemProxySettings());
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NSArray *keys = [dict[@"__SCOPED__"] allKeys];
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for (NSString *key in keys) {
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if ([key containsString:@"tap"] ||
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[key containsString:@"tun"] ||
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[key containsString:@"ppp"] ||
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[key containsString:@"ipsec"]) {
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return YES;
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}
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}
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return NO;
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}
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+ (void) addHelpOptionToDialog:(UIAlertController*)dialog {
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#if !TARGET_OS_TV
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// tvOS doesn't have a browser
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[dialog addAction:[UIAlertAction actionWithTitle:@"Help" style:UIAlertActionStyleDefault handler:^(UIAlertAction* action){
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[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"https://github.com/moonlight-stream/moonlight-docs/wiki/Troubleshooting"]];
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}]];
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#endif
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}
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@end
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@implementation NSString (NSStringWithTrim)
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- (NSString *)trim {
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return [self stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
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}
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@end
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