I modified my code a bit:
*static SSL_CTX *ctx = NULL;
static SSL *ssl = NULL;
void CreateTLSSession(int sockfd)
{
int RetValue=0;
printf("CREATING TLS SESSION...\n");
SSL_library_init();
SSL_load_error_strings();
OpenSSL_add_all_algorithms();
//ctx = SSL_CTX_new(TLSv1_client_method());
ctx = SSL_CTX_new(TLSv1_client_method());
//(SSL_CTX_set_options(ctx, SSL_OP_NO_COMPRESSION);
//SSL_CTX_set_mode(ctx, SSL_MODE_RELEASE_BUFFERS);
if (ctx == NULL)
{
printf("failed to initialize context\n");
return;
}
printf("CTX created...\n");
ssl = SSL_new(ctx);
if (ssl == NULL)
{
printf("failed to create SSL structure...\n");
return;
}
if (!SSL_set_fd(ssl, sockfd))
{
printf("failed to bind to socket fd\n");
return;
}
printf("SSL bound to sockfd=%d...\n",sockfd);
while (RetValue != 1)
{
interpreteError(RetValue);
sleep(1);
RetValue = SSL_connect(ssl);
}
printf("OK\n");
}
static void interpreteError(int iError)
{
int iRet = 0;
iRet = SSL_get_error(ssl, iError);
switch (iRet)
{
case SSL_ERROR_ZERO_RETURN:
printf("ERROR: TLS/SSL connection has been closed!\n");
break;
case SSL_ERROR_WANT_READ:
case SSL_ERROR_WANT_WRITE:
printf("ERROR: want read/write!\n");
break;
case SSL_ERROR_WANT_CONNECT:
case SSL_ERROR_WANT_ACCEPT:
printf("ERROR: socket not yet connect to the peer!\n");
break;
case SSL_ERROR_WANT_X509_LOOKUP:
printf("ERROR: want x509 lookup!\n");
break;
case SSL_ERROR_SYSCALL:
perror("SSL_ERROR_SYSCALL");
break;
case SSL_ERROR_SSL:
printf("ERROR: failure in SSL library!n");
break;
default:
printf("No errors\n");
}
}*
The output is:
*
CREATING TLS SESSION...
CTX created...
SSL bound to sockfd=9...
SSL_ERROR_SYSCALL: No such file or directory
SSL_ERROR_SYSCALL: Success
SSL_ERROR_SYSCALL: Success
SSL_ERROR_SYSCALL: Success
SSL_ERROR_SYSCALL: Success
SSL_ERROR_SYSCALL: Success
SSL_ERROR_SYSCALL: Success
SSL_ERROR_SYSCALL: Success
SSL_ERROR_SYSCALL: Success
SSL_ERROR_SYSCALL: Success*
So apparently some underlying system call is failing. Not sure which one
though.
--
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