[thirdparty/openssl.git] / crypto / des / read_pwd.c

/* 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.]
 */

#include <openssl/e_os2.h>
#if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_WIN32)
#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)

# define SIGACTION
# if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY)
# define TERMIOS
# endif

#endif
#endif

/* #define SIGACTION */ /* Define this if you have sigaction() */

#ifdef WIN16TTY
#undef OPENSSL_SYS_WIN16
#undef _WINDOWS
#include <graph.h>
#endif

/* 06-Apr-92 Luke Brennan    Support for VMS */
#include "des_locl.h"
#include "cryptlib.h"
#include <signal.h>
#include <stdio.h>
#include <string.h>
#include <setjmp.h>
#include <errno.h>

#ifdef OPENSSL_SYS_VMS			/* prototypes for sys$whatever */
#include <starlet.h>
#ifdef __DECC
#pragma message disable DOLLARID
#endif
#endif

#ifdef WIN_CONSOLE_BUG
#include <windows.h>
#ifndef OPENSSL_SYS_WINCE
#include <wincon.h>
#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(MAC_OS_pre_X) && !defined(MAC_OS_GUSI_SOURCE)
#undef  TERMIOS
#undef  TERMIO
#define SGTTY
#endif

#if defined(OPENSSL_SYS_VXWORKS)
#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(MAC_OS_pre_X)
#include <sys/ioctl.h>
#endif

#if defined(OPENSSL_SYS_MSDOS) && !defined(__CYGWIN32__) && !defined(OPENSSL_SYS_WINCE)
#include <conio.h>
#define fgets(a,b,c) noecho_fgets(a,b,c)
#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(MAC_OS_pre_X) || defined(MAC_OS_GUSI_SOURCE)
/*
 * 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

static void read_till_nl(FILE *);
static void recsig(int);
static void pushsig(void);
static void popsig(void);
#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16)
static int noecho_fgets(char *buf, int size, FILE *tty);
#endif
#ifdef SIGACTION
 static struct sigaction savsig[NX509_SIG];
#else
  static void (*savsig[NX509_SIG])(int );
#endif
static jmp_buf save;

int des_read_pw_string(char *buf, int length, const char *prompt,
	     int verify)
	{
	char buff[BUFSIZ];
	int ret;

	ret=des_read_pw(buf,buff,(length>BUFSIZ)?BUFSIZ:length,prompt,verify);
	memset(buff,0,BUFSIZ);
	return(ret);
	}

#ifdef OPENSSL_SYS_WINCE

int des_read_pw(char *buf, char *buff, int size, const char *prompt, int verify)
	{ 
	memset(buf,0,size);
	memset(buff,0,size);
	return(0);
	}

#elif defined(OPENSSL_SYS_WIN16)

int des_read_pw(char *buf, char *buff, int size, char *prompt, int verify)
	{ 
	memset(buf,0,size);
	memset(buff,0,size);
	return(0);
	}

#else /* !OPENSSL_SYS_WINCE && !OPENSSL_SYS_WIN16 */

static void read_till_nl(FILE *in)
	{
#define SIZE 4
	char buf[SIZE+1];

	do	{
		fgets(buf,SIZE,in);
		} while (strchr(buf,'\n') == NULL);
	}


/* return 0 if ok, 1 (or -1) otherwise */
int des_read_pw(char *buf, char *buff, int size, const char *prompt,
	     int verify)
	{
#ifdef OPENSSL_SYS_VMS
	struct IOSB iosb;
	$DESCRIPTOR(terminal,"TT");
	long tty_orig[3], tty_new[3];
	long status;
	unsigned short channel = 0;
#else
#if !defined(OPENSSL_SYS_MSDOS) || defined(__DJGPP__)
	TTY_STRUCT tty_orig,tty_new;
#endif
#endif
	int number;
	int ok;
	/* statics are simply to avoid warnings about longjmp clobbering
	   things */
	static int ps;
	int is_a_tty;
	static FILE *tty;
	char *p;

	if (setjmp(save))
		{
		ok=0;
		goto error;
		}

	number=5;
	ok=0;
	ps=0;
	is_a_tty=1;
	tty=NULL;

#ifdef OPENSSL_SYS_MSDOS
	if ((tty=fopen("con","r")) == NULL)
		tty=stdin;
#elif defined(MAC_OS_pre_X) || defined(OPENSSL_SYS_VXWORKS)
	tty=stdin;
#else
#ifndef OPENSSL_SYS_MPE
	if ((tty=fopen("/dev/tty","r")) == NULL)
#endif
		tty=stdin;
#endif

#if defined(TTY_get) && !defined(OPENSSL_SYS_VMS)
	if (TTY_get(fileno(tty),&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(-1);
		}
	memcpy(&(tty_new),&(tty_orig),sizeof(tty_orig));
#endif
#ifdef OPENSSL_SYS_VMS
	status = sys$assign(&terminal,&channel,0,0);
	if (status != SS$_NORMAL)
		return(-1);
	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(-1);
#endif

	pushsig();
	ps=1;

#ifdef TTY_FLAGS
	tty_new.TTY_FLAGS &= ~ECHO;
#endif

#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
	if (is_a_tty && (TTY_set(fileno(tty),&tty_new) == -1))
#ifdef OPENSSL_SYS_MPE 
		; /* MPE lies -- echo really has been disabled */
#else
		return(-1);
#endif
#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(-1);
#endif
	ps=2;

	while ((!ok) && (number--))
		{
		fputs(prompt,stderr);
		fflush(stderr);

		buf[0]='\0';
		fgets(buf,size,tty);
		if (feof(tty)) goto error;
		if (ferror(tty)) goto error;
		if ((p=(char *)strchr(buf,'\n')) != NULL)
			*p='\0';
		else	read_till_nl(tty);
		if (verify)
			{
			fprintf(stderr,"\nVerifying password - %s",prompt);
			fflush(stderr);
			buff[0]='\0';
			fgets(buff,size,tty);
			if (feof(tty)) goto error;
			if ((p=(char *)strchr(buff,'\n')) != NULL)
				*p='\0';
			else	read_till_nl(tty);
				
			if (strcmp(buf,buff) != 0)
				{
				fprintf(stderr,"\nVerify failure");
				fflush(stderr);
				break;
				/* continue; */
				}
			}
		ok=1;
		}

error:
	fprintf(stderr,"\n");
#if 0
	perror("fgets(tty)");
#endif
	/* What can we do if there is an error? */
#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
	if (ps >= 2) TTY_set(fileno(tty),&tty_orig);
#endif
#ifdef OPENSSL_SYS_VMS
	if (ps >= 2)
		status = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0
			,tty_orig,12,0,0,0,0);
#endif
	
	if (ps >= 1) popsig();
	if (stdin != tty) fclose(tty);
#ifdef OPENSSL_SYS_VMS
	status = sys$dassgn(channel);
#endif
	return(!ok);
	}

static void pushsig(void)
	{
	int i;
#ifdef SIGACTION
	struct sigaction sa;

	memset(&sa,0,sizeof sa);
	sa.sa_handler=recsig;
#endif

	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,&sa,&savsig[i]);
#else
		savsig[i]=signal(i,recsig);
#endif
		}

#ifdef SIGWINCH
	signal(SIGWINCH,SIG_DFL);
#endif
	}

static void popsig(void)
	{
	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
		}
	}

static void recsig(int i)
	{
	longjmp(save,1);
#ifdef LINT
	i=i;
#endif
	}

#ifdef OPENSSL_SYS_MSDOS
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;
			}
		}
#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
	return(strlen(buf));
	}
#endif
#endif /* !OPENSSL_SYS_WINCE && !WIN16 */
Commit	Line	Data
d02b48c6	1	/* crypto/des/read_pwd.c */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	3	* All rights reserved.
	4	*
	5	* This package is an SSL implementation written
	6	* by Eric Young (eay@cryptsoft.com).
	7	* The implementation was written so as to conform with Netscapes SSL.
	8	*
	9	* This library is free for commercial and non-commercial use as long as
	10	* the following conditions are aheared to. The following conditions
	11	* apply to all code found in this distribution, be it the RC4, RSA,
	12	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	13	* included with this distribution is covered by the same copyright terms
	14	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	15	*
	16	* Copyright remains Eric Young's, and as such any Copyright notices in
	17	* the code are not to be removed.
	18	* If this package is used in a product, Eric Young should be given attribution
	19	* as the author of the parts of the library used.
	20	* This can be in the form of a textual message at program startup or
	21	* in documentation (online or textual) provided with the package.
	22	*
	23	* Redistribution and use in source and binary forms, with or without
	24	* modification, are permitted provided that the following conditions
	25	* are met:
	26	* 1. Redistributions of source code must retain the copyright
	27	* notice, this list of conditions and the following disclaimer.
	28	* 2. Redistributions in binary form must reproduce the above copyright
	29	* notice, this list of conditions and the following disclaimer in the
	30	* documentation and/or other materials provided with the distribution.
	31	* 3. All advertising materials mentioning features or use of this software
	32	* must display the following acknowledgement:
	33	* "This product includes cryptographic software written by
	34	* Eric Young (eay@cryptsoft.com)"
	35	* The word 'cryptographic' can be left out if the rouines from the library
	36	* being used are not cryptographic related :-).
	37	* 4. If you include any Windows specific code (or a derivative thereof) from
	38	* the apps directory (application code) you must include an acknowledgement:
	39	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	40	*
	41	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	42	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	43	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	44	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	45	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	46	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	47	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	49	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	50	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	51	* SUCH DAMAGE.
	52	*
	53	* The licence and distribution terms for any publically available version or
	54	* derivative of this code cannot be changed. i.e. this code cannot simply be
	55	* copied and put under another distribution licence
	56	* [including the GNU Public Licence.]
	57	*/
	58
a5bc1e85	59	#include <openssl/e_os2.h>
7ab1a391	60	#if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_WIN32)
404fb714 AP	61	#ifdef OPENSSL_UNISTD
	62	# include OPENSSL_UNISTD
	63	#else
	64	# include <unistd.h>
	65	#endif
fa3da3cf BM	66	/* If unistd.h defines _POSIX_VERSION, we conclude that we
	67	* are on a POSIX system and have sigaction and termios. */
	68	#if defined(_POSIX_VERSION)
	69
	70	# define SIGACTION
	71	# if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY)
	72	# define TERMIOS
	73	# endif
	74
	75	#endif
	76	#endif
	77
58964a49	78	/* #define SIGACTION / / Define this if you have sigaction() */
fa3da3cf	79
d02b48c6	80	#ifdef WIN16TTY
bc36ee62	81	#undef OPENSSL_SYS_WIN16
d02b48c6 RE	82	#undef _WINDOWS
	83	#include <graph.h>
	84	#endif
	85
	86	/* 06-Apr-92 Luke Brennan Support for VMS */
	87	#include "des_locl.h"
6e064240	88	#include "cryptlib.h"
d02b48c6	89	#include <signal.h>
410aa522	90	#include <stdio.h>
d02b48c6 RE	91	#include <string.h>
	92	#include <setjmp.h>
	93	#include <errno.h>
	94
bc36ee62	95	#ifdef OPENSSL_SYS_VMS /* prototypes for sys$whatever */
7d7d2cbc UM	96	#include <starlet.h>
	97	#ifdef __DECC
	98	#pragma message disable DOLLARID
	99	#endif
	100	#endif
	101
d00b7aad DSH	102	#ifdef WIN_CONSOLE_BUG
d00b7aad DSH	103	#include <windows.h>
0bf23d9b	104	#ifndef OPENSSL_SYS_WINCE
d00b7aad DSH	105	#include <wincon.h>
d00b7aad DSH	106	#endif
0bf23d9b	107	#endif
d00b7aad DSH	108
d00b7aad DSH	109
d02b48c6 RE	110	/* There are 5 types of terminal interface supported,
	111	* TERMIO, TERMIOS, VMS, MSDOS and SGTTY
	112	*/
	113
	114	#if defined(__sgi) && !defined(TERMIOS)
	115	#define TERMIOS
	116	#undef TERMIO
	117	#undef SGTTY
	118	#endif
	119
	120	#if defined(linux) && !defined(TERMIO)
	121	#undef TERMIOS
	122	#define TERMIO
	123	#undef SGTTY
	124	#endif
	125
	126	#ifdef _LIBC
	127	#undef TERMIOS
	128	#define TERMIO
	129	#undef SGTTY
	130	#endif
	131
bc36ee62	132	#if !defined(TERMIO) && !defined(TERMIOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MSDOS) && !defined(MAC_OS_pre_X) && !defined(MAC_OS_GUSI_SOURCE)
d02b48c6 RE	133	#undef TERMIOS
	134	#undef TERMIO
	135	#define SGTTY
	136	#endif
	137
6a89a25c	138	#if defined(OPENSSL_SYS_VXWORKS)
3e83e686 RL	139	#undef TERMIOS
	140	#undef TERMIO
	141	#undef SGTTY
	142	#endif
	143
d02b48c6 RE	144	#ifdef TERMIOS
	145	#include <termios.h>
	146	#define TTY_STRUCT struct termios
	147	#define TTY_FLAGS c_lflag
	148	#define TTY_get(tty,data) tcgetattr(tty,data)
	149	#define TTY_set(tty,data) tcsetattr(tty,TCSANOW,data)
	150	#endif
	151
	152	#ifdef TERMIO
	153	#include <termio.h>
	154	#define TTY_STRUCT struct termio
	155	#define TTY_FLAGS c_lflag
	156	#define TTY_get(tty,data) ioctl(tty,TCGETA,data)
	157	#define TTY_set(tty,data) ioctl(tty,TCSETA,data)
	158	#endif
	159
	160	#ifdef SGTTY
	161	#include <sgtty.h>
	162	#define TTY_STRUCT struct sgttyb
	163	#define TTY_FLAGS sg_flags
	164	#define TTY_get(tty,data) ioctl(tty,TIOCGETP,data)
	165	#define TTY_set(tty,data) ioctl(tty,TIOCSETP,data)
	166	#endif
	167
bc36ee62	168	#if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(MAC_OS_pre_X)
d02b48c6 RE	169	#include <sys/ioctl.h>
	170	#endif
	171
0bf23d9b	172	#if defined(OPENSSL_SYS_MSDOS) && !defined(__CYGWIN32__) && !defined(OPENSSL_SYS_WINCE)
d02b48c6 RE	173	#include <conio.h>
	174	#define fgets(a,b,c) noecho_fgets(a,b,c)
	175	#endif
	176
bc36ee62	177	#ifdef OPENSSL_SYS_VMS
d02b48c6 RE	178	#include <ssdef.h>
	179	#include <iodef.h>
	180	#include <ttdef.h>
	181	#include <descrip.h>
	182	struct IOSB {
	183	short iosb$w_value;
	184	short iosb$w_count;
	185	long iosb$l_info;
	186	};
	187	#endif
	188
76997b7d	189	#if defined(MAC_OS_pre_X) \|\| defined(MAC_OS_GUSI_SOURCE)
17f389bb AP	190	/*
	191	* This one needs work. As a matter of fact the code is unoperational
	192	* and this is only a trick to get it compiled.
	193	* <appro@fy.chalmers.se>
	194	*/
	195	#define TTY_STRUCT int
	196	#endif
	197
d02b48c6 RE	198	#ifndef NX509_SIG
	199	#define NX509_SIG 32
	200	#endif
	201
d02b48c6 RE	202	static void read_till_nl(FILE *);
	203	static void recsig(int);
	204	static void pushsig(void);
	205	static void popsig(void);
bc36ee62	206	#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16)
d02b48c6 RE	207	static int noecho_fgets(char buf, int size, FILE tty);
d02b48c6 RE	208	#endif
58964a49 RE	209	#ifdef SIGACTION
58964a49 RE	210	static struct sigaction savsig[NX509_SIG];
d02b48c6	211	#else
58964a49	212	static void (*savsig[NX509_SIG])(int );
d02b48c6 RE	213	#endif
	214	static jmp_buf save;
	215
6b691a5c UM	216	int des_read_pw_string(char buf, int length, const char prompt,
6b691a5c UM	217	int verify)
d02b48c6 RE	218	{
	219	char buff[BUFSIZ];
	220	int ret;
	221
	222	ret=des_read_pw(buf,buff,(length>BUFSIZ)?BUFSIZ:length,prompt,verify);
	223	memset(buff,0,BUFSIZ);
	224	return(ret);
	225	}
	226
0bf23d9b RL	227	#ifdef OPENSSL_SYS_WINCE
	228
	229	int des_read_pw(char buf, char buff, int size, const char *prompt, int verify)
	230	{
	231	memset(buf,0,size);
	232	memset(buff,0,size);
	233	return(0);
	234	}
	235
	236	#elif defined(OPENSSL_SYS_WIN16)
	237
	238	int des_read_pw(char buf, char buff, int size, char *prompt, int verify)
	239	{
	240	memset(buf,0,size);
	241	memset(buff,0,size);
	242	return(0);
	243	}
	244
	245	#else /* !OPENSSL_SYS_WINCE && !OPENSSL_SYS_WIN16 */
d02b48c6	246
6b691a5c	247	static void read_till_nl(FILE *in)
d02b48c6 RE	248	{
	249	#define SIZE 4
	250	char buf[SIZE+1];
	251
	252	do {
	253	fgets(buf,SIZE,in);
	254	} while (strchr(buf,'\n') == NULL);
	255	}
	256
	257
	258	/* return 0 if ok, 1 (or -1) otherwise */
6b691a5c UM	259	int des_read_pw(char buf, char buff, int size, const char *prompt,
6b691a5c UM	260	int verify)
d02b48c6	261	{
bc36ee62	262	#ifdef OPENSSL_SYS_VMS
d02b48c6 RE	263	struct IOSB iosb;
	264	$DESCRIPTOR(terminal,"TT");
	265	long tty_orig[3], tty_new[3];
	266	long status;
	267	unsigned short channel = 0;
	268	#else
451dc18f	269	#if !defined(OPENSSL_SYS_MSDOS) \|\| defined(__DJGPP__)
d02b48c6 RE	270	TTY_STRUCT tty_orig,tty_new;
	271	#endif
	272	#endif
15799403 BL	273	int number;
	274	int ok;
	275	/* statics are simply to avoid warnings about longjmp clobbering
	276	things */
	277	static int ps;
	278	int is_a_tty;
	279	static FILE *tty;
d02b48c6 RE	280	char *p;
d02b48c6 RE	281
15799403 BL	282	if (setjmp(save))
	283	{
	284	ok=0;
	285	goto error;
	286	}
	287
	288	number=5;
	289	ok=0;
	290	ps=0;
	291	is_a_tty=1;
	292	tty=NULL;
	293
bc36ee62	294	#ifdef OPENSSL_SYS_MSDOS
d02b48c6 RE	295	if ((tty=fopen("con","r")) == NULL)
d02b48c6 RE	296	tty=stdin;
6a89a25c	297	#elif defined(MAC_OS_pre_X) \|\| defined(OPENSSL_SYS_VXWORKS)
991f0706 UM	298	tty=stdin;
991f0706 UM	299	#else
cf1b7d96	300	#ifndef OPENSSL_SYS_MPE
991f0706	301	if ((tty=fopen("/dev/tty","r")) == NULL)
c5f8bbbc	302	#endif
991f0706 UM	303	tty=stdin;
991f0706 UM	304	#endif
d02b48c6	305
bc36ee62	306	#if defined(TTY_get) && !defined(OPENSSL_SYS_VMS)
d02b48c6 RE	307	if (TTY_get(fileno(tty),&tty_orig) == -1)
	308	{
	309	#ifdef ENOTTY
	310	if (errno == ENOTTY)
	311	is_a_tty=0;
	312	else
58964a49 RE	313	#endif
	314	#ifdef EINVAL
	315	/* Ariel Glenn ariel@columbia.edu reports that solaris
	316	* can return EINVAL instead. This should be ok */
	317	if (errno == EINVAL)
	318	is_a_tty=0;
	319	else
d02b48c6 RE	320	#endif
	321	return(-1);
	322	}
	323	memcpy(&(tty_new),&(tty_orig),sizeof(tty_orig));
	324	#endif
bc36ee62	325	#ifdef OPENSSL_SYS_VMS
7d7d2cbc	326	status = sys$assign(&terminal,&channel,0,0);
d02b48c6 RE	327	if (status != SS$_NORMAL)
d02b48c6 RE	328	return(-1);
7d7d2cbc	329	status=sys$qiow(0,channel,IO$_SENSEMODE,&iosb,0,0,tty_orig,12,0,0,0,0);
d02b48c6 RE	330	if ((status != SS$_NORMAL) \|\| (iosb.iosb$w_value != SS$_NORMAL))
	331	return(-1);
	332	#endif
	333
d02b48c6 RE	334	pushsig();
	335	ps=1;
	336
	337	#ifdef TTY_FLAGS
	338	tty_new.TTY_FLAGS &= ~ECHO;
	339	#endif
	340
bc36ee62	341	#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
d02b48c6	342	if (is_a_tty && (TTY_set(fileno(tty),&tty_new) == -1))
cf1b7d96	343	#ifdef OPENSSL_SYS_MPE
c5f8bbbc RL	344	; /* MPE lies -- echo really has been disabled */
c5f8bbbc RL	345	#else
d02b48c6 RE	346	return(-1);
d02b48c6 RE	347	#endif
c5f8bbbc	348	#endif
bc36ee62	349	#ifdef OPENSSL_SYS_VMS
d02b48c6 RE	350	tty_new[0] = tty_orig[0];
	351	tty_new[1] = tty_orig[1] \| TT$M_NOECHO;
	352	tty_new[2] = tty_orig[2];
7d7d2cbc	353	status = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0,tty_new,12,0,0,0,0);
d02b48c6 RE	354	if ((status != SS$_NORMAL) \|\| (iosb.iosb$w_value != SS$_NORMAL))
	355	return(-1);
	356	#endif
	357	ps=2;
	358
	359	while ((!ok) && (number--))
	360	{
	361	fputs(prompt,stderr);
	362	fflush(stderr);
	363
	364	buf[0]='\0';
	365	fgets(buf,size,tty);
	366	if (feof(tty)) goto error;
	367	if (ferror(tty)) goto error;
	368	if ((p=(char *)strchr(buf,'\n')) != NULL)
	369	*p='\0';
	370	else read_till_nl(tty);
	371	if (verify)
	372	{
	373	fprintf(stderr,"\nVerifying password - %s",prompt);
	374	fflush(stderr);
	375	buff[0]='\0';
	376	fgets(buff,size,tty);
	377	if (feof(tty)) goto error;
	378	if ((p=(char *)strchr(buff,'\n')) != NULL)
	379	*p='\0';
	380	else read_till_nl(tty);
	381
	382	if (strcmp(buf,buff) != 0)
	383	{
	384	fprintf(stderr,"\nVerify failure");
	385	fflush(stderr);
	386	break;
	387	/* continue; */
	388	}
	389	}
	390	ok=1;
	391	}
	392
	393	error:
	394	fprintf(stderr,"\n");
59dbdb51	395	#if 0
d02b48c6 RE	396	perror("fgets(tty)");
	397	#endif
	398	/* What can we do if there is an error? */
bc36ee62	399	#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
d02b48c6 RE	400	if (ps >= 2) TTY_set(fileno(tty),&tty_orig);
d02b48c6 RE	401	#endif
bc36ee62	402	#ifdef OPENSSL_SYS_VMS
d02b48c6	403	if (ps >= 2)
7d7d2cbc	404	status = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0
d02b48c6 RE	405	,tty_orig,12,0,0,0,0);
	406	#endif
	407
	408	if (ps >= 1) popsig();
	409	if (stdin != tty) fclose(tty);
bc36ee62	410	#ifdef OPENSSL_SYS_VMS
7d7d2cbc	411	status = sys$dassgn(channel);
d02b48c6 RE	412	#endif
	413	return(!ok);
	414	}
	415
6b691a5c	416	static void pushsig(void)
d02b48c6 RE	417	{
d02b48c6 RE	418	int i;
215c24fc BL	419	#ifdef SIGACTION
	420	struct sigaction sa;
	421
	422	memset(&sa,0,sizeof sa);
	423	sa.sa_handler=recsig;
	424	#endif
d02b48c6 RE	425
d02b48c6 RE	426	for (i=1; i<NX509_SIG; i++)
58964a49 RE	427	{
	428	#ifdef SIGUSR1
	429	if (i == SIGUSR1)
	430	continue;
	431	#endif
	432	#ifdef SIGUSR2
	433	if (i == SIGUSR2)
	434	continue;
	435	#endif
	436	#ifdef SIGACTION
215c24fc	437	sigaction(i,&sa,&savsig[i]);
58964a49	438	#else
d02b48c6	439	savsig[i]=signal(i,recsig);
58964a49 RE	440	#endif
58964a49 RE	441	}
d02b48c6 RE	442
	443	#ifdef SIGWINCH
	444	signal(SIGWINCH,SIG_DFL);
	445	#endif
	446	}
	447
6b691a5c	448	static void popsig(void)
d02b48c6 RE	449	{
	450	int i;
	451
	452	for (i=1; i<NX509_SIG; i++)
58964a49 RE	453	{
	454	#ifdef SIGUSR1
	455	if (i == SIGUSR1)
	456	continue;
	457	#endif
	458	#ifdef SIGUSR2
	459	if (i == SIGUSR2)
	460	continue;
	461	#endif
	462	#ifdef SIGACTION
	463	sigaction(i,&savsig[i],NULL);
	464	#else
d02b48c6	465	signal(i,savsig[i]);
58964a49 RE	466	#endif
58964a49 RE	467	}
d02b48c6 RE	468	}
d02b48c6 RE	469
6b691a5c	470	static void recsig(int i)
d02b48c6 RE	471	{
	472	longjmp(save,1);
	473	#ifdef LINT
	474	i=i;
	475	#endif
	476	}
	477
0bf23d9b	478	#ifdef OPENSSL_SYS_MSDOS
6b691a5c	479	static int noecho_fgets(char buf, int size, FILE tty)
d02b48c6 RE	480	{
	481	int i;
	482	char *p;
	483
	484	p=buf;
	485	for (;;)
	486	{
	487	if (size == 0)
	488	{
	489	*p='\0';
	490	break;
	491	}
	492	size--;
	493	#ifdef WIN16TTY
	494	i=_inchar();
	495	#else
	496	i=getch();
	497	#endif
	498	if (i == '\r') i='\n';
	499	*(p++)=i;
	500	if (i == '\n')
	501	{
	502	*p='\0';
	503	break;
	504	}
	505	}
d00b7aad DSH	506	#ifdef WIN_CONSOLE_BUG
	507	/* Win95 has several evil console bugs: one of these is that the
	508	* last character read using getch() is passed to the next read: this is
	509	* usually a CR so this can be trouble. No STDIO fix seems to work but
	510	* flushing the console appears to do the trick.
	511	*/
b1c4fe36 BM	512	{
	513	HANDLE inh;
	514	inh = GetStdHandle(STD_INPUT_HANDLE);
	515	FlushConsoleInputBuffer(inh);
	516	}
d00b7aad	517	#endif
d02b48c6 RE	518	return(strlen(buf));
	519	}
	520	#endif
0bf23d9b	521	#endif /* !OPENSSL_SYS_WINCE && !WIN16 */