s_server.c

					BIO_puts(io,"\n");
				}
			BIO_puts(io,"\n");
			p=SSL_get_shared_ciphers(con,buf,bufsize);
			if (p != NULL)
				{
				BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
				j=i=0;
				while (*p)
					{
					if (*p == ':')
						{
						BIO_write(io,space,26-j);
						i++;
						j=0;
						BIO_write(io,((i%3)?" ":"\n"),1);
						}
					else
						{
						BIO_write(io,p,1);
						j++;
						}
					p++;
					}
				BIO_puts(io,"\n");
				}
			BIO_printf(io,((con->hit)
				?"---\nReused, "
				:"---\nNew, "));
			c=SSL_get_current_cipher(con);
			BIO_printf(io,"%s, Cipher is %s\n",
				SSL_CIPHER_get_version(c),
				SSL_CIPHER_get_name(c));
			SSL_SESSION_print(io,SSL_get_session(con));
			BIO_printf(io,"---\n");
			print_stats(io,SSL_get_SSL_CTX(con));
			BIO_printf(io,"---\n");
			peer=SSL_get_peer_certificate(con);
			if (peer != NULL)
				{
				BIO_printf(io,"Client certificate\n");
				X509_print(io,peer);
				PEM_write_bio_X509(io,peer);
				}
			else
				BIO_puts(io,"no client certificate available\n");
			BIO_puts(io,"</BODY></HTML>\r\n\r\n");
			break;
			}
		else if ((www == 2) && (strncmp("GET ",buf,4) == 0))
			{
			BIO *file;
			char *p,*e;
			static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";

			/* skip the '/' */
			p= &(buf[5]);
			dot=0;
			for (e=p; *e != '\0'; e++)
				{
				if (e[0] == ' ') break;
				if (	(e[0] == '.') &&
					(strncmp(&(e[-1]),"/../",4) == 0))
					dot=1;
				}
			

			if (*e == '\0')
				{
				BIO_puts(io,text);
				BIO_printf(io,"'%s' is an invalid file name\r\n",p);
				break;
				}
			*e='\0';

			if (dot)
				{
				BIO_puts(io,text);
				BIO_printf(io,"'%s' contains '..' reference\r\n",p);
				break;
				}

			if (*p == '/')
				{
				BIO_puts(io,text);
				BIO_printf(io,"'%s' is an invalid path\r\n",p);
				break;
				}

			/* append if a directory lookup */
			if (e[-1] == '/')
				strcat(p,"index.html");

			/* if a directory, do the index thang */
			if (stat(p,&st_buf) < 0)
				{
				BIO_puts(io,text);
				BIO_printf(io,"Error accessing '%s'\r\n",p);
				ERR_print_errors(io);
				break;
				}
			if (S_ISDIR(st_buf.st_mode))
				{
				strcat(p,"/index.html");
				}

			if ((file=BIO_new_file(p,"r")) == NULL)
				{
				BIO_puts(io,text);
				BIO_printf(io,"Error opening '%s'\r\n",p);
				ERR_print_errors(io);
				break;
				}

			if (!s_quiet)
				BIO_printf(bio_err,"FILE:%s\n",p);

			i=strlen(p);
			if (	((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
				((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
				((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
				BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
			else
				BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
			/* send the file */
			total_bytes=0;
			for (;;)
				{
				i=BIO_read(file,buf,bufsize);
				if (i <= 0) break;

#ifdef RENEG
				total_bytes+=i;
				fprintf(stderr,"%d\n",i);
				if (total_bytes > 3*1024)
					{
					total_bytes=0;
					fprintf(stderr,"RENEGOTIATE\n");
					SSL_renegotiate(con);
					}
#endif

				for (j=0; j<i; )
					{
#ifdef RENEG
{ static count=0; if (++count == 13) { SSL_renegotiate(con); } }
#endif
					k=BIO_write(io,&(buf[j]),i-j);
					if (k <= 0)
						{
						if (!BIO_should_retry(io))
							goto write_error;
						else
							{
							BIO_printf(bio_s_out,"rwrite W BLOCK\n");
							}
						}
					else
						{
						j+=k;
						}
					}
				}
write_error:
			BIO_free(file);
			break;
			}
		}

	for (;;)
		{
		i=(int)BIO_flush(io);
		if (i <= 0)
			{
			if (!BIO_should_retry(io))
				break;
			}
		else
			break;
		}
end:
#if 1
	/* make sure we re-use sessions */
	SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
#else
	/* This kills performace */
/*	SSL_shutdown(con); A shutdown gets sent in the
 *	BIO_free_all(io) procession */
#endif

err:

	if (ret >= 0)
		BIO_printf(bio_s_out,"ACCEPT\n");

	if (buf != NULL) Free(buf);
	if (io != NULL) BIO_free_all(io);
/*	if (ssl_bio != NULL) BIO_free(ssl_bio);*/
	return(ret);
	}

static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int export, int keylength)
	{
	static RSA *rsa_tmp=NULL;

	if (rsa_tmp == NULL)
		{
		if (!s_quiet)
			{
			BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
			BIO_flush(bio_err);
			}
#ifndef NO_RSA
		rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
#endif
		if (!s_quiet)
			{
			BIO_printf(bio_err,"\n");
			BIO_flush(bio_err);
			}
		}
	return(rsa_tmp);
	}