KSOCKET提供了一个非常基本的示例，说明如何使用WSK在Windows驱动程序中建立网络连接

KSOCKET提供了一个非常基本的示例，说明如何使用WSK在Windows驱动程序中建立网络连接

KSOCKET

KSOCKET provides a very basic example on how to make a network connections in the Windows Driver by using WSK.

Why?

In my opinion there aren't too much examples on WSK on the Internet. This is quite understandable, as generally dealing with networking in the kernel-mode isn't a very good idea. However, sometimes, you're just too interested how it can be done.

What does it do?

It makes a HTTP GET request to the httpbin.org/uuid and prints the response to the debugger. Then, it creates a TCP server listening on port 9095 and waits for a client. When the client connects, it waits for a single message, prints it to the debugger and then responds with Hello from WSK! and closes both client and server sockets.

The output in the debugger might look like this:

Implementation

Because everyone is familiar with the Berkeley socket API, I've ported a very small subset of it - enough to make a basic TCP/UDP client/server:

int getaddrinfo(const char* node, const char* service, const struct addrinfo* hints, struct addrinfo** res);void freeaddrinfo(struct addrinfo *res);int socket_connection(int domain, int type, int protocol);int socket_listen(int domain, int type, int protocol);int socket_datagram(int domain, int type, int protocol);int connect(int sockfd, const struct sockaddr* addr, socklen_t addrlen);int listen(int sockfd, int backlog);int bind(int sockfd, const struct sockaddr *addr, socklen_t addrlen);int accept(int sockfd, struct sockaddr *addr, socklen_t *addrlen);int send(int sockfd, const void* buf, size_t len, int flags);int sendto(int sockfd, const void *buf, size_t len, int flags, const struct sockaddr *dest_addr, socklen_t addrlen);int recv(int sockfd, void* buf, size_t len, int flags);int recvfrom(int sockfd, void *buf, size_t len, int flags, struct sockaddr *src_addr, socklen_t *addrlen);int closesocket(int sockfd);

You can probably see the biggest difference between this API and the original Berkeley socket API - instead of a single socket() function, there are socket_connection(), socket_listen() and socket_datagram() functions. This is because in WSK, you have to specify type of the socket when the socket object is created. Although it would probably be possible with some workarounds to make just single socket() function, for simplicity of the implementation I've decided to split it too.

NOTE: This project is purely experimental and its goal is to show basic usage of the WSK. There aren't many error checks and it is not recommended for production use.

License

This software is open-source under the MIT license. See the LICENSE.txt file in this repository.

Dependencies are licensed by their own licenses.

If you find this project interesting, you can buy me a coffee

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