Win98 SSL_write

[Thomas Fuessl]

Hi OpenSSL-developers,

I compiled OpenSSL under Win98 (VisualC++4.0, MASM).

(1)
I had to patch the following lines in openssl\crypto\asn1\a_strnid.c:
line 107: mask = (unsigned long)(~(B_ASN1_BMPSTRING|B_ASN1_UTF8STRING));
line 109: mask = (unsigned long)(~B_ASN1_T61STRING);

(2)
I have problems with the ssl client code. I can connect a https-Server.
I get the certificate, but calling SSL_write, I get -1 returned !?!?!?

can you help me?

Thanks,
Thomas.


#include <stdio.h>
#include <memory.h>
#include <errno.h>
#include <sys/types.h>

#ifdef WIN32
   #include <string.h>
   #include <winsock.h>
   #include <io.h>
   #pragma warning(disable:4270)
#else
   #include <sys/socket.h>
   #include <netinet/in.h>
   #include <arpa/inet.h>
   #include <netdb.h>
#endif

#include <openssl/crypto.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include <openssl/ssl.h>
#include <openssl/err.h>

void main ()
{
   int err;
   
   SSLeay_add_ssl_algorithms();
   SSL_METHOD *meth = SSLv2_client_method();
   SSL_load_error_strings();
   SSL_CTX* ctx = SSL_CTX_new (meth);

#ifdef WIN32
   WSADATA wsaData; 
   WSAStartup(MAKEWORD(1, 1), &wsaData); 
#endif

   // *** Create Socket ***
   int sd;
   sd = socket (AF_INET, SOCK_STREAM, 0);
 
   struct sockaddr_in sa;
   memset (&sa, 0, sizeof(sa));
   sa.sin_family = AF_INET;
   sa.sin_addr.s_addr = inet_addr ("194.15.183.180");  // sparda-bank
   sa.sin_port = htons(443);
  
   err = connect(sd, (struct sockaddr*) &sa, sizeof(sa)); 
   if (err) { printf("cannot connect\n"); return; }

   // *** Start SSL negotiation ***
   SSL* ssl = SSL_new (ctx);
   SSL_set_fd (ssl, sd);
   err = SSL_connect (ssl);
  
   // Cipher, Certificate
   printf ("SSL connection using %s\n", SSL_get_cipher (ssl));
  
   X509* server_cert = SSL_get_peer_certificate (ssl);
   printf ("\nServer certificate:\n");

   char *subject = X509_NAME_oneline (X509_get_subject_name (server_cert),0,0);
   char *issuer = X509_NAME_oneline (X509_get_issuer_name  (server_cert),0,0);

   printf ("\nsubject: %s\n\nissuer: %s\n\n", subject, issuer);

   Free (subject);
   Free (issuer);
   X509_free (server_cert);
  
   // *** Send a message and receive a reply ***
   char *txt;
   txt="GET / HTTP/1.0\n\n";
   err = SSL_write (ssl, txt, strlen(txt)); // <<---------- here I get -1 ----------
   printf("%d\n",err);

   char buf[4096];
   err = SSL_read (ssl, buf, sizeof(buf)-1);
   buf[err] = 0;
   printf ("Got %d chars:'%s'\n", err, buf);

   // *** Clean up ***
   SSL_shutdown (ssl);
   close (sd);
   SSL_free (ssl);
   SSL_CTX_free (ctx);

#ifdef WIN32
   WSACleanup();
#endif
}
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