/* echoclient.c  */

#include "openssl/ssl.h"
#include "../test.h"


int main(int argc, char** argv)
{
    SOCKET_T sockfd = 0;

    FILE* fin  = stdin;
    FILE* fout = stdout;

    int inCreated  = 0;
    int outCreated = 0;

    char send[1024];
    char reply[1024];

    SSL_METHOD* method = 0;
    SSL_CTX*    ctx    = 0;
    SSL*        ssl    = 0;

#ifdef _WIN32
    WSADATA wsd;
    WSAStartup(0x0002, &wsd);
#endif

    if (argc >= 2) {
        fin  = fopen(argv[1], "r"); 
        inCreated = 1;
    }
    if (argc >= 3) {
        fout = fopen(argv[2], "w");
        outCreated = 1;
    }

    if (!fin)  err_sys("can't open input file");
    if (!fout) err_sys("can't open output file");

    tcp_connect(&sockfd);

    method = SSLv3_client_method();
    ctx    = SSL_CTX_new(method);

    if (SSL_CTX_load_verify_locations(ctx, caCert, 0) != SSL_SUCCESS)
        err_sys("can't load ca file");

    ssl = SSL_new(ctx);

    if (SSL_set_fd(ssl, sockfd) != SSL_SUCCESS)
        err_sys("can't set ssl fd");

    if (SSL_connect(ssl) != SSL_SUCCESS) err_sys("SSL_connect failed");

    while (fgets(send, sizeof(send), fin)) {

        int  sendSz = strlen(send) + 1;

        if (SSL_write(ssl, send, sendSz) != sendSz)
            err_sys("SSL_write failed");

        if (strncmp(send, "quit", 4) == 0) {
            fputs("sending server shutdown command: quit!\n", fout);
            break;
        }

        if (SSL_read(ssl, reply, sizeof(reply)) > 0) 
            fputs(reply, fout);
    }

    SSL_shutdown(ssl);
    SSL_free(ssl);
    SSL_CTX_free(ctx);

    fflush(fout);
    if (inCreated)  fclose(fin);
    if (outCreated) fclose(fout);

#ifdef _WIN32
    closesocket(sockfd);
#else
    close(sockfd);
#endif

    return 0;
}