1. 接口让人给通过抓包给破解了,搞不清楚https的证书是怎么泄露的,然后就有了这么个需求,只要是网络设置了代理,那么就禁止一切网络访问,这里记录一下如何判断是否设置了代理。
需要导入框架CFNetwork
然后,这个方法是mrc的:需要添加-fno-objc-arc的flag
代码如下:
+ (BOOL)getProxyStatus {
NSDictionary *proxySettings = NSMakeCollectable([(NSDictionary *)CFNetworkCopySystemProxySettings() autorelease]);
NSArray *proxies = NSMakeCollectable([(NSArray *)CFNetworkCopyProxiesForURL((CFURLRef)[NSURL URLWithString:@"http://www.google.com"], (CFDictionaryRef)proxySettings) autorelease]);
NSDictionary *settings = [proxies objectAtIndex:0];
NSLog(@"host=%@", [settings objectForKey:(NSString *)kCFProxyHostNameKey]);
NSLog(@"port=%@", [settings objectForKey:(NSString *)kCFProxyPortNumberKey]);
NSLog(@"type=%@", [settings objectForKey:(NSString *)kCFProxyTypeKey]);
if ([[settings objectForKey:(NSString *)kCFProxyTypeKey] isEqualToString:@"kCFProxyTypeNone"])
{
//没有设置代理
return NO;
}
else
{
//设置代理了
return YES;
}
}
- (BOOL)isVPNConnected
{
struct ifaddrs *interfaces = NULL;
struct ifaddrs *temp_addr = NULL;
int success = 0;
// retrieve the current interfaces - returns 0 on success
success = getifaddrs(&interfaces);
if (success == 0) {
// Loop through linked list of interfaces
temp_addr = interfaces;
while (temp_addr != NULL) {
NSString *string = [NSString stringWithFormat:@"%s" , temp_addr->ifa_name];
if ([string rangeOfString:@"tap"].location != NSNotFound ||
[string rangeOfString:@"tun"].location != NSNotFound ||
[string rangeOfString:@"ppp"].location != NSNotFound){
return YES;
}
temp_addr = temp_addr->ifa_next;
}
}
// Free memory
freeifaddrs(interfaces);
return NO;
}