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