在Mac OS Hight Sierra上创建和绑定套接字 [英] Creating and binding socket on Mac OS Hight Sierra
问题描述
在Hight Sierra的应用程序中创建套接字时,我遇到了严重而奇怪的问题.如果我创建命令行工具,一切正常!我创建套接字,绑定套接字.但是,如果我尝试创建Cocoa App,则无法绑定我的套接字! :(
I have serious and strange problem with creating socket in my application for Hight Sierra. If I create command Line tool, everything is ok! I create socket, bind socket. But If I trying to create Cocoa App, I can't binding my socket! :(
如果我在Cocoa App中使用CFSocket,则
If I use CFSockets in Cocoa App,
char punchline[] = "MESSAGE from Server!";
int yes = 1;
CFSocketContext CTX = {0, punchline, NULL, NULL, NULL};
CFSocketRef TCPServer = CFSocketCreate(kCFAllocatorDefault, PF_INET, SOCK_STREAM, IPPROTO_TCP, kCFSocketAcceptCallBack, (CFSocketCallBack) &AcceptCallBack, &CTX);
if (TCPServer == NULL) return;
setsockopt(CFSocketGetNative(TCPServer), SOL_SOCKET, SO_REUSEADDR, (void *) &yes, sizeof(yes));
struct sockaddr_in addr;
memset(&addr, 0, sizeof(addr));
addr.sin_len = sizeof(addr);
addr.sin_family = AF_INET;
addr.sin_port = htons(33000);
addr.sin_addr.s_addr = htonl(INADDR_ANY);
NSData *address = [NSData dataWithBytes:&addr length:sizeof(addr)];
if (CFSocketSetAddress(TCPServer, (CFDataRef) address) != kCFSocketSuccess) {
CFRelease(TCPServer);
return;
}
我收到此消息:
CFSocketSetAddress绑定失败:1
如果我在Cocoa App中使用低级C函数,则这样:
If I use low level C function in Cocoa App, like this:
sockfd = socket(AF_INET, SOCK_STREAM, 0);
bzero((char *) &serv_addr, sizeof(serv_addr));
portno = atoi(argv[1]);
serv_addr.sin_family = AF_INET;
serv_addr.sin_addr.s_addr = INADDR_ANY;
serv_addr.sin_port = htons(portno);
if (bind(sockfd, (struct sockaddr *) &serv_addr,
sizeof(serv_addr)) < 0) error("ERROR on binding");
listen(sockfd,5);
clilen = sizeof(cli_addr);
newsockfd = accept(sockfd, (struct sockaddr *) &cli_addr, &clilen);
...它也不起作用,并且在绑定时出现错误,并且在控制台中也显示此消息:
...it's not work too, and I get error on binding and also this message in console:
错误:不允许操作
但是在命令行工具中一切正常!
我需要修复哪种项目设置(可能在info.plist中)? 哪里有麻烦? :(
What kind of project settings (may be in info.plist) I need to fix? Where is a trouble? :(
救救我! :(((
推荐答案
问题是该应用程序已被沙盒化,并且没有网络:传入连接"权利.可以在目标设置的功能"选项卡中的应用程序沙箱"详细信息下的Xcode中添加该权利.
The problem was that the application was sandboxed and did not have the Network: Incoming Connections entitlement. That entitlement can be added in Xcode under the App Sandbox details in the Capabilities tab of the target settings.
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