+++ /dev/null
-/* 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);
- OPENSSL_cleanse(buff,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 */
projects / cassiopeia.git / blobdiff