--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/libcrypto/src/crypto/ui/ui_openssl.c	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,759 @@
+/* crypto/ui/ui_openssl.c -*- mode:C; c-file-style: "eay" -*- */
+/* Written by Richard Levitte (richard@levitte.org) and others
+ * for the OpenSSL project 2001.
+ */
+/* ====================================================================
+ * Copyright (c) 2001 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+/* The lowest level part of this file was previously in crypto/des/read_pwd.c,
+ * Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ * 
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ * 
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from 
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ * 
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * 
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+/*
+ © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
+ */
+
+
+#include <openssl/e_os2.h>
+
+/* need for #define _POSIX_C_SOURCE arises whenever you pass -ansi to gcc
+ * [maybe others?], because it masks interfaces not discussed in standard,
+ * sigaction and fileno included. -pedantic would be more appropriate for
+ * the intended purposes, but we can't prevent users from adding -ansi.
+ */
+ 
+#define _POSIX_C_SOURCE 1
+#if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__))) 
+#undef _POSIX_C_SOURCE
+#endif
+#ifndef SYMBIAN
+#include <signal.h> 
+#endif
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+
+#if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS)
+# ifdef OPENSSL_UNISTD
+#  include OPENSSL_UNISTD
+# else
+#  include <unistd.h>
+# endif
+/* If unistd.h defines _POSIX_VERSION, we conclude that we
+ * are on a POSIX system and have sigaction and termios. */
+# if defined(_POSIX_VERSION) && !defined(SYMBIAN)
+#  define SIGACTION
+#  if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY)
+#   define TERMIOS
+#  endif
+
+# endif
+#endif
+
+#ifdef WIN16TTY
+# undef OPENSSL_SYS_WIN16
+# undef WIN16
+# undef _WINDOWS
+# include <graph.h>
+#endif
+
+/* 06-Apr-92 Luke Brennan    Support for VMS */
+#include "ui_locl.h"
+#include "cryptlib.h"
+
+#ifdef OPENSSL_SYS_VMS		/* prototypes for sys$whatever */
+# include <starlet.h>
+# ifdef __DECC
+#  pragma message disable DOLLARID
+# endif
+#endif
+
+#ifndef SYMBIAN
+#ifdef WIN_CONSOLE_BUG
+# include <windows.h>
+#ifndef OPENSSL_SYS_WINCE
+# include <wincon.h>
+#endif
+#endif
+#endif
+
+/* There are 5 types of terminal interface supported,
+ * TERMIO, TERMIOS, VMS, MSDOS and SGTTY
+ */
+
+#if defined(__sgi) && !defined(TERMIOS)
+# define TERMIOS
+# undef  TERMIO
+# undef  SGTTY
+#endif
+
+#if defined(linux) && !defined(TERMIO)
+# undef  TERMIOS
+# define TERMIO
+# undef  SGTTY
+#endif
+
+#ifdef _LIBC
+# undef  TERMIOS
+# define TERMIO
+# undef  SGTTY
+#endif
+
+#if !defined(TERMIO) && !defined(TERMIOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && !defined(MAC_OS_GUSI_SOURCE)
+# undef  TERMIOS
+# undef  TERMIO
+# define SGTTY
+#endif
+
+#if defined(OPENSSL_SYS_VXWORKS)
+#undef TERMIOS
+#undef TERMIO
+#undef SGTTY
+#endif
+
+#if defined(OPENSSL_SYS_NETWARE)
+#undef TERMIOS
+#undef TERMIO
+#undef SGTTY
+#endif
+
+#if defined(SYMBIAN)
+#undef TERMIOS
+#undef TERMIO
+#undef SGTTY
+#endif
+
+#ifdef TERMIOS
+# include <termios.h>
+# define TTY_STRUCT		struct termios
+# define TTY_FLAGS		c_lflag
+# define TTY_get(tty,data)	tcgetattr(tty,data)
+# define TTY_set(tty,data)	tcsetattr(tty,TCSANOW,data)
+#endif
+
+#ifdef TERMIO
+# include <termio.h>
+# define TTY_STRUCT		struct termio
+# define TTY_FLAGS		c_lflag
+# define TTY_get(tty,data)	ioctl(tty,TCGETA,data)
+# define TTY_set(tty,data)	ioctl(tty,TCSETA,data)
+#endif
+
+#ifdef SGTTY
+# include <sgtty.h>
+# define TTY_STRUCT		struct sgttyb
+# define TTY_FLAGS		sg_flags
+# define TTY_get(tty,data)	ioctl(tty,TIOCGETP,data)
+# define TTY_set(tty,data)	ioctl(tty,TIOCSETP,data)
+#endif
+
+#if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && !defined(OPENSSL_SYS_SUNOS)
+# include <sys/ioctl.h>
+#endif
+
+#ifdef OPENSSL_SYS_MSDOS
+# include <conio.h>
+#endif
+
+#ifdef OPENSSL_SYS_VMS
+# include <ssdef.h>
+# include <iodef.h>
+# include <ttdef.h>
+# include <descrip.h>
+struct IOSB {
+	short iosb$w_value;
+	short iosb$w_count;
+	long  iosb$l_info;
+	};
+#endif
+#if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
+#include "libcrypto_wsd_macros.h"
+#include "libcrypto_wsd.h"
+#endif
+
+#ifdef OPENSSL_SYS_SUNOS
+	typedef int sig_atomic_t;
+#endif
+
+#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(MAC_OS_GUSI_SOURCE) || defined(OPENSSL_SYS_NETWARE)
+/*
+ * This one needs work. As a matter of fact the code is unoperational
+ * and this is only a trick to get it compiled.
+ *					<appro@fy.chalmers.se>
+ */
+# define TTY_STRUCT int
+#endif
+
+#ifndef NX509_SIG
+# define NX509_SIG 32
+#endif
+
+
+/* Define globals.  They are protected by a lock */
+#ifdef SIGACTION
+static struct sigaction savsig[NX509_SIG];
+#else
+static void (*savsig[NX509_SIG])(int );
+#endif
+
+#ifdef OPENSSL_SYS_VMS
+static struct IOSB iosb;
+static $DESCRIPTOR(terminal,"TT");
+static long tty_orig[3], tty_new[3]; /* XXX   Is there any guarantee that this will always suffice for the actual structures? */
+static long status;
+static unsigned short channel = 0;
+#else
+#ifndef SYMBIAN
+#if !defined(OPENSSL_SYS_MSDOS) || defined(__DJGPP__)
+static TTY_STRUCT tty_orig,tty_new;
+#endif
+#endif
+#endif
+#ifndef EMULATOR
+static FILE *tty_in, *tty_out;
+static int is_a_tty;
+#else
+GET_STATIC_VAR_FROM_TLS(tty_in,ui_openssl,FILE *)
+#define tty_in (*GET_WSD_VAR_NAME(tty_in,ui_openssl, s)())
+
+GET_STATIC_VAR_FROM_TLS(tty_out,ui_openssl,FILE *)
+#define tty_out (*GET_WSD_VAR_NAME(tty_out,ui_openssl, s)())
+  
+GET_STATIC_VAR_FROM_TLS(is_a_tty,ui_openssl,int)
+#define is_a_tty (*GET_WSD_VAR_NAME(is_a_tty,ui_openssl, s)())
+
+#endif
+/* Declare static functions */
+#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
+static void read_till_nl(FILE *);
+static void recsig(int);
+static void pushsig(void);
+static void popsig(void);
+#endif
+#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16)
+static int noecho_fgets(char *buf, int size, FILE *tty);
+#endif
+static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl);
+
+static int read_string(UI *ui, UI_STRING *uis);
+static int write_string(UI *ui, UI_STRING *uis);
+
+static int open_console(UI *ui);
+static int echo_console(UI *ui);
+static int noecho_console(UI *ui);
+static int close_console(UI *ui);
+
+#ifndef EMULATOR
+static UI_METHOD ui_openssl =
+	{
+	"OpenSSL default user interface",
+	open_console,
+	write_string,
+	NULL,			/* No flusher is needed for command lines */
+	read_string,
+	close_console,
+	NULL
+	};
+#else
+GET_STATIC_VAR_FROM_TLS(ui_openssl,ui_openssl,UI_METHOD)
+#define ui_openssl (*GET_WSD_VAR_NAME(ui_openssl,ui_openssl, s)())
+const UI_METHOD temp_s_ui_openssl =
+	{
+	"OpenSSL default user interface",
+	open_console,
+	write_string,
+	NULL,			/* No flusher is needed for command lines */
+	read_string,
+	close_console,
+	NULL
+	};
+
+#endif
+/* The method with all the built-in thingies */
+EXPORT_C UI_METHOD *UI_OpenSSL(void)
+	{
+	return &ui_openssl;
+	}
+
+/* The following function makes sure that info and error strings are printed
+   before any prompt. */
+static int write_string(UI *ui, UI_STRING *uis)
+	{
+	switch (UI_get_string_type(uis))
+		{
+	case UIT_ERROR:
+	case UIT_INFO:
+		fputs(UI_get0_output_string(uis), tty_out);
+		fflush(tty_out);
+		break;
+	default:
+		break;
+		}
+	return 1;
+	}
+
+static int read_string(UI *ui, UI_STRING *uis)
+	{
+	int ok = 0;
+
+	switch (UI_get_string_type(uis))
+		{
+	case UIT_BOOLEAN:
+		fputs(UI_get0_output_string(uis), tty_out);
+		fputs(UI_get0_action_string(uis), tty_out);
+		fflush(tty_out);
+		return read_string_inner(ui, uis,
+			UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 0);
+	case UIT_PROMPT:
+		fputs(UI_get0_output_string(uis), tty_out);
+		fflush(tty_out);
+		return read_string_inner(ui, uis,
+			UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 1);
+	case UIT_VERIFY:
+		fprintf(tty_out,"Verifying - %s",
+			UI_get0_output_string(uis));
+		fflush(tty_out);
+		if ((ok = read_string_inner(ui, uis,
+			UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 1)) <= 0)
+			return ok;
+		if (strcmp(UI_get0_result_string(uis),
+			UI_get0_test_string(uis)) != 0)
+			{
+			fprintf(tty_out,"Verify failure\n");
+			fflush(tty_out);
+			return 0;
+			}
+		break;
+	default:
+		break;
+		}
+	return 1;
+	}
+
+#ifndef SYMBIAN
+#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
+/* Internal functions to read a string without echoing */
+static void read_till_nl(FILE *in)
+	{
+#define SIZE 4
+	char buf[SIZE+1];
+
+	do	{
+		fgets(buf,SIZE,in);
+		} while (strchr(buf,'\n') == NULL);
+	}
+
+static volatile sig_atomic_t intr_signal;
+#endif
+#endif
+static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl)
+	{
+	static int ps;
+	int ok;
+	char result[BUFSIZ];
+	int maxsize = BUFSIZ-1;
+#ifndef SYMBIAN	
+#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
+	char *p;
+
+	intr_signal=0;
+	ok=0;
+	ps=0;
+
+	pushsig();
+	ps=1;
+
+	if (!echo && !noecho_console(ui))
+		goto error;
+	ps=2;
+
+	result[0]='\0';
+#ifdef OPENSSL_SYS_MSDOS
+	if (!echo)
+		{
+		noecho_fgets(result,maxsize,tty_in);
+		p=result; /* FIXME: noecho_fgets doesn't return errors */
+		}
+	else
+		p=fgets(result,maxsize,tty_in);
+#else
+	p=fgets(result,maxsize,tty_in);
+#endif
+	if(!p)
+		goto error;
+	if (feof(tty_in)) goto error;
+	if (ferror(tty_in)) goto error;
+	if ((p=(char *)strchr(result,'\n')) != NULL)
+		{
+		if (strip_nl)
+			*p='\0';
+		}
+	else
+		read_till_nl(tty_in);
+	if (UI_set_result(ui, uis, result) >= 0)
+		ok=1;
+
+error:
+	if (intr_signal == SIGINT)
+		ok=-1;
+	if (!echo) fprintf(tty_out,"\n");
+	if (ps >= 2 && !echo && !echo_console(ui))
+		ok=0;
+
+	if (ps >= 1)
+		popsig();
+#else
+	ok=1;
+#endif
+#endif
+	OPENSSL_cleanse(result,BUFSIZ);
+	return ok;
+	}
+
+
+/* Internal functions to open, handle and close a channel to the console.  */
+static int open_console(UI *ui)
+	{
+	CRYPTO_w_lock(CRYPTO_LOCK_UI);
+	is_a_tty = 1;
+
+#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE)
+	tty_in=stdin;
+	tty_out=stderr;
+#else
+#  ifdef OPENSSL_SYS_MSDOS
+#    define DEV_TTY "con"
+#  else
+#    define DEV_TTY "/dev/tty"
+#  endif
+	if ((tty_in=fopen(DEV_TTY,"r")) == NULL)
+		tty_in=stdin;
+	if ((tty_out=fopen(DEV_TTY,"w")) == NULL)
+		tty_out=stderr;
+#endif
+
+#if defined(TTY_get) && !defined(OPENSSL_SYS_VMS)
+ 	if (TTY_get(fileno(tty_in),&tty_orig) == -1)
+		{
+#ifdef ENOTTY
+		if (errno == ENOTTY)
+			is_a_tty=0;
+		else
+#endif
+#ifdef EINVAL
+		/* Ariel Glenn ariel@columbia.edu reports that solaris
+		 * can return EINVAL instead.  This should be ok */
+		if (errno == EINVAL)
+			is_a_tty=0;
+		else
+#endif
+			return 0;
+		}
+#endif
+#ifdef OPENSSL_SYS_VMS
+	status = sys$assign(&terminal,&channel,0,0);
+	if (status != SS$_NORMAL)
+		return 0;
+	status=sys$qiow(0,channel,IO$_SENSEMODE,&iosb,0,0,tty_orig,12,0,0,0,0);
+	if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
+		return 0;
+#endif
+	return 1;
+	}
+
+static int noecho_console(UI *ui)
+	{
+#ifdef TTY_FLAGS
+	memcpy(&(tty_new),&(tty_orig),sizeof(tty_orig));
+	tty_new.TTY_FLAGS &= ~ECHO;
+#endif
+
+#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
+	if (is_a_tty && (TTY_set(fileno(tty_in),&tty_new) == -1))
+		return 0;
+#endif
+#ifdef OPENSSL_SYS_VMS
+	tty_new[0] = tty_orig[0];
+	tty_new[1] = tty_orig[1] | TT$M_NOECHO;
+	tty_new[2] = tty_orig[2];
+	status = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0,tty_new,12,0,0,0,0);
+	if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
+		return 0;
+#endif
+	return 1;
+	}
+
+static int echo_console(UI *ui)
+	{
+#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
+	memcpy(&(tty_new),&(tty_orig),sizeof(tty_orig));
+	tty_new.TTY_FLAGS |= ECHO;
+#endif
+
+#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
+	if (is_a_tty && (TTY_set(fileno(tty_in),&tty_new) == -1))
+		return 0;
+#endif
+#ifdef OPENSSL_SYS_VMS
+	tty_new[0] = tty_orig[0];
+	tty_new[1] = tty_orig[1] & ~TT$M_NOECHO;
+	tty_new[2] = tty_orig[2];
+	status = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0,tty_new,12,0,0,0,0);
+	if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
+		return 0;
+#endif
+	return 1;
+	}
+
+static int close_console(UI *ui)
+	{
+	if (tty_in != stdin) fclose(tty_in);
+	if (tty_out != stderr) fclose(tty_out);
+#ifdef OPENSSL_SYS_VMS
+	status = sys$dassgn(channel);
+#endif
+	CRYPTO_w_unlock(CRYPTO_LOCK_UI);
+
+	return 1;
+	}
+
+
+#ifndef SYMBIAN
+#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
+/* Internal functions to handle signals and act on them */
+static void pushsig(void)
+	{
+#ifndef OPENSSL_SYS_WIN32
+	int i;
+#endif
+#ifdef SIGACTION
+	struct sigaction sa;
+
+	memset(&sa,0,sizeof sa);
+	sa.sa_handler=recsig;
+#endif
+
+#ifdef OPENSSL_SYS_WIN32
+	savsig[SIGABRT]=signal(SIGABRT,recsig);
+	savsig[SIGFPE]=signal(SIGFPE,recsig);
+	savsig[SIGILL]=signal(SIGILL,recsig);
+	savsig[SIGINT]=signal(SIGINT,recsig);
+	savsig[SIGSEGV]=signal(SIGSEGV,recsig);
+	savsig[SIGTERM]=signal(SIGTERM,recsig);
+#else
+	for (i=1; i<NX509_SIG; i++)
+		{
+#ifdef SIGUSR1
+		if (i == SIGUSR1)
+			continue;
+#endif
+#ifdef SIGUSR2
+		if (i == SIGUSR2)
+			continue;
+#endif
+#ifdef SIGKILL
+		if (i == SIGKILL) /* We can't make any action on that. */
+			continue;
+#endif
+#ifdef SIGACTION
+		sigaction(i,&sa,&savsig[i]);
+#else
+		savsig[i]=signal(i,recsig);
+#endif
+		}
+#endif
+
+#ifdef SIGWINCH
+	signal(SIGWINCH,SIG_DFL);
+#endif
+	}
+
+static void popsig(void)
+	{
+#ifdef OPENSSL_SYS_WIN32
+	signal(SIGABRT,savsig[SIGABRT]);
+	signal(SIGFPE,savsig[SIGFPE]);
+	signal(SIGILL,savsig[SIGILL]);
+	signal(SIGINT,savsig[SIGINT]);
+	signal(SIGSEGV,savsig[SIGSEGV]);
+	signal(SIGTERM,savsig[SIGTERM]);
+#else
+	int i;
+	for (i=1; i<NX509_SIG; i++)
+		{
+#ifdef SIGUSR1
+		if (i == SIGUSR1)
+			continue;
+#endif
+#ifdef SIGUSR2
+		if (i == SIGUSR2)
+			continue;
+#endif
+#ifdef SIGACTION
+		sigaction(i,&savsig[i],NULL);
+#else
+		signal(i,savsig[i]);
+#endif
+		}
+#endif
+	}
+
+static void recsig(int i)
+	{
+	intr_signal=i;
+	}
+#endif
+#endif
+
+/* Internal functions specific for Windows */
+#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
+static int noecho_fgets(char *buf, int size, FILE *tty)
+	{
+	int i;
+	char *p;
+
+	p=buf;
+	for (;;)
+		{
+		if (size == 0)
+			{
+			*p='\0';
+			break;
+			}
+		size--;
+#ifdef WIN16TTY
+		i=_inchar();
+#else
+		i=getch();
+#endif
+		if (i == '\r') i='\n';
+		*(p++)=i;
+		if (i == '\n')
+			{
+			*p='\0';
+			break;
+			}
+		}
+#ifndef SYMBIAN		
+#ifdef WIN_CONSOLE_BUG
+/* Win95 has several evil console bugs: one of these is that the
+ * last character read using getch() is passed to the next read: this is
+ * usually a CR so this can be trouble. No STDIO fix seems to work but
+ * flushing the console appears to do the trick.
+ */
+		{
+			HANDLE inh;
+			inh = GetStdHandle(STD_INPUT_HANDLE);
+			FlushConsoleInputBuffer(inh);
+		}
+#endif
+#endif
+	return(strlen(buf));
+	}
+#endif
+