kopia lustrzana https://github.com/solokeys/solo1
68 wiersze
1.5 KiB
C
68 wiersze
1.5 KiB
C
/*
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* Used as a bridge for USBHID protocol for FIDO 2.0 and U2F to ease firmware development and testing.
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*
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* Client FIDO 2.0, U2F software should bind to UDP port 7112 to send/recv USBHID messages from.
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*
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* */
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#include <stdio.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <time.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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int udp_server()
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{
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int fd;
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if ( (fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0 ) {
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perror( "socket failed" );
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return 1;
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}
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struct sockaddr_in serveraddr;
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memset( &serveraddr, 0, sizeof(serveraddr) );
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serveraddr.sin_family = AF_INET;
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serveraddr.sin_port = htons( 8111 );
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serveraddr.sin_addr.s_addr = htonl( INADDR_ANY );
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if ( bind(fd, (struct sockaddr *)&serveraddr, sizeof(serveraddr)) < 0 ) {
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perror( "bind failed" );
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exit(1);
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}
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return fd;
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}
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void udp_recv(int fd, uint8_t * buf, int size)
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{
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int length = recvfrom( fd, buf, size, 0, NULL, 0 );
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if ( length < 0 ) {
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perror( "recvfrom failed" );
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exit(1);
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}
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}
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void udp_send(int fd, uint8_t * buf, int size)
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{
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struct sockaddr_in serveraddr;
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memset( &serveraddr, 0, sizeof(serveraddr) );
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serveraddr.sin_family = AF_INET;
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serveraddr.sin_port = htons( 7112 );
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serveraddr.sin_addr.s_addr = htonl( 0x7f000001 ); // (127.0.0.1)
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if (sendto( fd, buf, size, 0, (struct sockaddr *)&serveraddr, sizeof(serveraddr)) < 0 ) {
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perror( "sendto failed" );
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exit(1);
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}
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}
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void udp_close(int fd)
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{
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close(fd);
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}
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