mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2025-11-11 16:50:34 +08:00
92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
#if !defined(__WIN32_SOCKET_TEMPLATE_H__)
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#define __WIN32_SOCKET_TEMPLATE_H__
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#include <stdio.h>
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#include <unistd.h>
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#ifdef _WIN32
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <winsock2.h>
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#include <ws2tcpip.h>
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void close_nb_socket(mqtt_pal_socket_handle sockfd);
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mqtt_pal_socket_handle open_nb_socket(const char *addr, const char *port);
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mqtt_pal_socket_handle open_nb_socket(const char *addr, const char *port) {
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WSADATA wsaData;
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int res = WSAStartup(MAKEWORD(2, 2), &wsaData);
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if (res != 0) {
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fprintf(stderr, "error: WSAStartup failed with error: %i", res);
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return INVALID_SOCKET;
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}
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struct addrinfo hints;
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memset(&hints, 0, sizeof(hints));
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hints.ai_family = AF_UNSPEC; // IPv4 or IPv6
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hints.ai_socktype = SOCK_STREAM; // Must be TCP
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hints.ai_protocol = IPPROTO_TCP; //
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struct addrinfo *p, *servinfo;
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// get address information
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int rv = getaddrinfo(addr, port, &hints, &servinfo);
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if (rv != 0) {
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fprintf(stderr, "error: getaddrinfo: %s", gai_strerror(rv));
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WSACleanup();
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return INVALID_SOCKET;
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}
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/* open the first possible socket */
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SOCKET hSocket = INVALID_SOCKET;
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for (p = servinfo; p != NULL; p = p->ai_next) {
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hSocket = socket(p->ai_family, p->ai_socktype, p->ai_protocol);
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if (hSocket == INVALID_SOCKET) {
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continue;
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}
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// connect to server
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if (connect(hSocket, p->ai_addr, (int)p->ai_addrlen) != INVALID_SOCKET) {
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break;
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}
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closesocket(hSocket);
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hSocket = INVALID_SOCKET;
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}
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// free servinfo
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freeaddrinfo(servinfo);
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if (p == NULL) { // No address succeeded
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fprintf(stderr, "error: Could not connect");
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WSACleanup();
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return INVALID_SOCKET;
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}
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// make non-blocking
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if (hSocket != INVALID_SOCKET) {
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u_long mode = 1; // FIONBIO returns size on 32b
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ioctlsocket(hSocket, FIONBIO, &mode);
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}
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int flag = 1;
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res = setsockopt(hSocket, IPPROTO_TCP, TCP_NODELAY, (char *)&flag, sizeof(flag));
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if (res != 0) {
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closesocket(hSocket);
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WSACleanup();
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return INVALID_SOCKET;
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}
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return hSocket;
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}
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void close_nb_socket(mqtt_pal_socket_handle sockfd) {
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if (sockfd != INVALID_SOCKET) {
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closesocket(sockfd);
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}
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}
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#endif
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#endif
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