bakalarska_praca/rs232_kanal/klient.c
tom_win e532cee113 -
2020-03-30 03:32:44 +02:00

115 lines
2.5 KiB
C

//////////////////////////////////////////////////
// Bakalarska praca //
// Meno studenta: Tomas Lukac //
// Veduci BP: prof. Ing. Milos Drutarovsky CSc. //
// Skola: KEMT FEI TUKE //
// Datum poslednej upravy: 12.3.2020 //
//////////////////////////////////////////////////
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wolfssl/ssl.h>
#include <wolfssl/certs_test.h>
#include <wolfssl/wolfcrypt/types.h>
#ifdef _WIN32
#include <Windows.h>
#include <io.h>
#include <fcntl.h>
#define O_NOCTTY 0
#else
#include <unistd.h>
#endif
#include "../kniznica/kryptografia.h"
#include "../kniznica/komunikacia.h"
#include "../kniznica/rs232.h"
int rs232_poslat;
int rs232_prijat;
int rs232_citanie(WOLFSSL *ssl, char *buf, int sz, void *ctx)
{
(void)ssl;
(void)ctx;
int uspech = 0;
while(uspech <= 0)
{
uspech = (int)read(rs232_prijat, buf, (size_t)sz);
}
return uspech;
}
int rs232_zapis(WOLFSSL *ssl, char *buf, int sz, void *ctx)
{
(void)ssl;
(void)ctx;
int uspech = 0;
uspech = (int) write(rs232_poslat, buf, (size_t)sz);
return uspech;
}
int main(int argc, char const *argv[])
{
char rezim[]={'8','N','1', 0};
int cislo_rozhrania = 4;
int rychlost = 9600;
WOLFSSL *ssl;
WOLFSSL_CTX *ctx = NULL;
rs232_poslat = open("server.txt", O_WRONLY | O_NOCTTY);
rs232_prijat = open("klient.txt", O_RDONLY | O_NOCTTY);
int uspech;
/* uspech = rs232_otvorit_rozhranie(cislo_rozhrania, rychlost, rezim, 0);
if(uspech == -1)
{
return -1;
}*/
if((ctx = nastavit_ctx_klient()) == NULL)
{
return -1;
}
const char* subor_certifikat = "../certifikaty/klient/klient_rsa.pem";
const char* subor_kluc = "../certifikaty/klient/klient_rsa.key";
if(nacitat_certifikaty(ctx, subor_certifikat, subor_kluc) == -1) return -1;
wolfSSL_SetIOSend(ctx, rs232_zapis);
wolfSSL_SetIORecv(ctx, rs232_citanie);
if ((ssl = wolfSSL_new(ctx)) == NULL)
{
printf("Nepodarilo sa vytvorit ssl relaciu\n");
wolfSSL_CTX_free(ctx);
return -1;
}
wolfSSL_set_fd(ssl, rs232_prijat);
wolfSSL_set_using_nonblock(ssl, rs232_prijat);
printf("bol som tu\n");
while(uspech != SSL_SUCCESS)
{
uspech |= wolfSSL_connect(ssl);
printf("bol sss\n");
if(uspech != SSL_SUCCESS)
{
printf("Nepodarilo sa pripojit%d\n", uspech);
return -1;
}
else
{
printf("oukej\n");
}
}
printf("bol som aj tu tu\n");
wolfSSL_write(ssl, "nieco", 10);
RS232_CloseComport(cislo_rozhrania);
return 0;
}