rclient.c

来自「ssl的客户端和服务端源代码」· C语言 代码 · 共 50 行

/* SSL client demonstrating session resumption */
#include "common.h"
#include "client.h"
#include "read_write.h"

int main(argc,argv)
  int argc;
  char **argv;
  {
    SSL_CTX *ctx;
    SSL *ssl;
    BIO *sbio;
    SSL_SESSION *sess;
    int sock;

    /* Build our SSL context*/
    ctx=initialize_ctx(KEYFILE,PASSWORD);

    /* Connect the TCP socket*/
    sock=tcp_connect();

    /* Connect the SSL socket */
    ssl=SSL_new(ctx);
    sbio=BIO_new_socket(sock,BIO_NOCLOSE);
    SSL_set_bio(ssl,sbio,sbio);
    if(SSL_connect(ssl)<=0)
      berr_exit("SSL connect error (first connect)");
    check_cert_chain(ssl,HOST);

    /* Now hang up and reconnect */
    sess=SSL_get_session(ssl); /*Collect the session*/
    SSL_shutdown(ssl);
    close(sock);

    sock=tcp_connect();
    ssl=SSL_new(ctx);
    sbio=BIO_new_socket(sock,BIO_NOCLOSE);
    SSL_set_bio(ssl,sbio,sbio);
    SSL_set_session(ssl,sess); /*And resume it*/
    if(SSL_connect(ssl)<=0)
      berr_exit("SSL connect error (second connect)");
    check_cert_chain(ssl,HOST);

    /*Now close everything down again*/
    SSL_shutdown(ssl);
    close(sock);
    destroy_ctx(ctx);
  }