Takeshi Honda wrote:
> if ((sock=socket(AF_INET,SOCK_RAW,IPPROTO_TCP))==-1){
> printf("Can not create RAW socket.\n");
> return -1;
> }
>
> FD_ZERO(&read_fd);
> FD_SET(sock,&read_fd);
> select(FD_SETSIZE,&read_fd,NULL,NULL,NULL); // program
> stop here
You create a socket but you don't call bind(), connect(), or listen() on
it so I don't know what you expect to happen. AFAIK just creating a
socket and then trying to read from it is an undefined behavior, but I
could be wrong. If you're trying to read raw packets off the interface
you're going to need to use libpcap. Fortunately, there is a libpcap
library for Windows (called WinPcap), and there are cygwin bindings for
it so it can be used in the same way as with linux. There are a handful
of examples that come with the library code, so you should probably
start there.
Brian
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