155714Skris/* crypto/des/read_pwd.c */ 255714Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 355714Skris * All rights reserved. 455714Skris * 555714Skris * This package is an SSL implementation written 655714Skris * by Eric Young (eay@cryptsoft.com). 755714Skris * The implementation was written so as to conform with Netscapes SSL. 8280304Sjkim * 955714Skris * This library is free for commercial and non-commercial use as long as 1055714Skris * the following conditions are aheared to. The following conditions 1155714Skris * apply to all code found in this distribution, be it the RC4, RSA, 1255714Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1355714Skris * included with this distribution is covered by the same copyright terms 1455714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15280304Sjkim * 1655714Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1755714Skris * the code are not to be removed. 1855714Skris * If this package is used in a product, Eric Young should be given attribution 1955714Skris * as the author of the parts of the library used. 2055714Skris * This can be in the form of a textual message at program startup or 2155714Skris * in documentation (online or textual) provided with the package. 22280304Sjkim * 2355714Skris * Redistribution and use in source and binary forms, with or without 2455714Skris * modification, are permitted provided that the following conditions 2555714Skris * are met: 2655714Skris * 1. Redistributions of source code must retain the copyright 2755714Skris * notice, this list of conditions and the following disclaimer. 2855714Skris * 2. Redistributions in binary form must reproduce the above copyright 2955714Skris * notice, this list of conditions and the following disclaimer in the 3055714Skris * documentation and/or other materials provided with the distribution. 3155714Skris * 3. All advertising materials mentioning features or use of this software 3255714Skris * must display the following acknowledgement: 3355714Skris * "This product includes cryptographic software written by 3455714Skris * Eric Young (eay@cryptsoft.com)" 3555714Skris * The word 'cryptographic' can be left out if the rouines from the library 3655714Skris * being used are not cryptographic related :-). 37280304Sjkim * 4. If you include any Windows specific code (or a derivative thereof) from 3855714Skris * the apps directory (application code) you must include an acknowledgement: 3955714Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40280304Sjkim * 4155714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4255714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4355714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4455714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4555714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4655714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4755714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4955714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5055714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5155714Skris * SUCH DAMAGE. 52280304Sjkim * 5355714Skris * The licence and distribution terms for any publically available version or 5455714Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5555714Skris * copied and put under another distribution licence 5655714Skris * [including the GNU Public Licence.] 5755714Skris */ 5855714Skris 59109998Smarkm#include <openssl/e_os2.h> 60109998Smarkm#if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_WIN32) 61280304Sjkim# ifdef OPENSSL_UNISTD 62280304Sjkim# include OPENSSL_UNISTD 63280304Sjkim# else 64280304Sjkim# include <unistd.h> 65280304Sjkim# endif 66280304Sjkim/* 67280304Sjkim * If unistd.h defines _POSIX_VERSION, we conclude that we are on a POSIX 68280304Sjkim * system and have sigaction and termios. 69280304Sjkim */ 70280304Sjkim# if defined(_POSIX_VERSION) 7155714Skris 72280304Sjkim# define SIGACTION 73280304Sjkim# if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY) 74280304Sjkim# define TERMIOS 75280304Sjkim# endif 76280304Sjkim 7755714Skris# endif 7855714Skris#endif 7955714Skris 80280304Sjkim/* Define this if you have sigaction() */ 81280304Sjkim/* #define SIGACTION */ 8255714Skris 8355714Skris#ifdef WIN16TTY 84280304Sjkim# undef OPENSSL_SYS_WIN16 85280304Sjkim# undef _WINDOWS 86280304Sjkim# include <graph.h> 8755714Skris#endif 8855714Skris 8955714Skris/* 06-Apr-92 Luke Brennan Support for VMS */ 9055714Skris#include "des_locl.h" 9155714Skris#include "cryptlib.h" 9255714Skris#include <signal.h> 9355714Skris#include <stdio.h> 9455714Skris#include <string.h> 9555714Skris#include <setjmp.h> 9655714Skris#include <errno.h> 9755714Skris 98280304Sjkim#ifdef OPENSSL_SYS_VMS /* prototypes for sys$whatever */ 99280304Sjkim# include <starlet.h> 100280304Sjkim# ifdef __DECC 101280304Sjkim# pragma message disable DOLLARID 102280304Sjkim# endif 10355714Skris#endif 10455714Skris 10555714Skris#ifdef WIN_CONSOLE_BUG 106280304Sjkim# include <windows.h> 107280304Sjkim# ifndef OPENSSL_SYS_WINCE 108280304Sjkim# include <wincon.h> 109280304Sjkim# endif 11055714Skris#endif 11155714Skris 112280304Sjkim/* 113280304Sjkim * There are 5 types of terminal interface supported, TERMIO, TERMIOS, VMS, 114280304Sjkim * MSDOS and SGTTY 11555714Skris */ 11655714Skris 11755714Skris#if defined(__sgi) && !defined(TERMIOS) 118280304Sjkim# define TERMIOS 119280304Sjkim# undef TERMIO 120280304Sjkim# undef SGTTY 12155714Skris#endif 12255714Skris 12355714Skris#if defined(linux) && !defined(TERMIO) 124280304Sjkim# undef TERMIOS 125280304Sjkim# define TERMIO 126280304Sjkim# undef SGTTY 12755714Skris#endif 12855714Skris 12955714Skris#ifdef _LIBC 130280304Sjkim# undef TERMIOS 131280304Sjkim# define TERMIO 132280304Sjkim# undef SGTTY 13355714Skris#endif 13455714Skris 135109998Smarkm#if !defined(TERMIO) && !defined(TERMIOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MSDOS) && !defined(MAC_OS_pre_X) && !defined(MAC_OS_GUSI_SOURCE) 136280304Sjkim# undef TERMIOS 137280304Sjkim# undef TERMIO 138280304Sjkim# define SGTTY 13955714Skris#endif 14055714Skris 141109998Smarkm#if defined(OPENSSL_SYS_VXWORKS) 142280304Sjkim# undef TERMIOS 143280304Sjkim# undef TERMIO 144280304Sjkim# undef SGTTY 145100928Snectar#endif 146100928Snectar 14755714Skris#ifdef TERMIOS 148280304Sjkim# include <termios.h> 149280304Sjkim# define TTY_STRUCT struct termios 150280304Sjkim# define TTY_FLAGS c_lflag 151280304Sjkim# define TTY_get(tty,data) tcgetattr(tty,data) 152280304Sjkim# define TTY_set(tty,data) tcsetattr(tty,TCSANOW,data) 15355714Skris#endif 15455714Skris 15555714Skris#ifdef TERMIO 156280304Sjkim# include <termio.h> 157280304Sjkim# define TTY_STRUCT struct termio 158280304Sjkim# define TTY_FLAGS c_lflag 159280304Sjkim# define TTY_get(tty,data) ioctl(tty,TCGETA,data) 160280304Sjkim# define TTY_set(tty,data) ioctl(tty,TCSETA,data) 16155714Skris#endif 16255714Skris 16355714Skris#ifdef SGTTY 164280304Sjkim# include <sgtty.h> 165280304Sjkim# define TTY_STRUCT struct sgttyb 166280304Sjkim# define TTY_FLAGS sg_flags 167280304Sjkim# define TTY_get(tty,data) ioctl(tty,TIOCGETP,data) 168280304Sjkim# define TTY_set(tty,data) ioctl(tty,TIOCSETP,data) 16955714Skris#endif 17055714Skris 171109998Smarkm#if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(MAC_OS_pre_X) 172280304Sjkim# include <sys/ioctl.h> 17355714Skris#endif 17455714Skris 175109998Smarkm#if defined(OPENSSL_SYS_MSDOS) && !defined(__CYGWIN32__) && !defined(OPENSSL_SYS_WINCE) 176280304Sjkim# include <conio.h> 177280304Sjkim# define fgets(a,b,c) noecho_fgets(a,b,c) 17855714Skris#endif 17955714Skris 180109998Smarkm#ifdef OPENSSL_SYS_VMS 181280304Sjkim# include <ssdef.h> 182280304Sjkim# include <iodef.h> 183280304Sjkim# include <ttdef.h> 184280304Sjkim# include <descrip.h> 18555714Skrisstruct IOSB { 186280304Sjkim short iosb$w_value; 187280304Sjkim short iosb$w_count; 188280304Sjkim long iosb$l_info; 189280304Sjkim}; 19055714Skris#endif 19155714Skris 19259191Skris#if defined(MAC_OS_pre_X) || defined(MAC_OS_GUSI_SOURCE) 19359191Skris/* 19459191Skris * This one needs work. As a matter of fact the code is unoperational 19559191Skris * and this is only a trick to get it compiled. 196280304Sjkim * <appro@fy.chalmers.se> 19759191Skris */ 198280304Sjkim# define TTY_STRUCT int 19959191Skris#endif 20059191Skris 20155714Skris#ifndef NX509_SIG 202280304Sjkim# define NX509_SIG 32 20355714Skris#endif 20455714Skris 20555714Skrisstatic void read_till_nl(FILE *); 20655714Skrisstatic void recsig(int); 20755714Skrisstatic void pushsig(void); 20855714Skrisstatic void popsig(void); 209109998Smarkm#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16) 21055714Skrisstatic int noecho_fgets(char *buf, int size, FILE *tty); 21155714Skris#endif 21255714Skris#ifdef SIGACTION 213280304Sjkimstatic struct sigaction savsig[NX509_SIG]; 21455714Skris#else 215280304Sjkimstatic void (*savsig[NX509_SIG]) (int); 21655714Skris#endif 21755714Skrisstatic jmp_buf save; 21855714Skris 219280304Sjkimint des_read_pw_string(char *buf, int length, const char *prompt, int verify) 220280304Sjkim{ 221280304Sjkim char buff[BUFSIZ]; 222280304Sjkim int ret; 22355714Skris 224280304Sjkim ret = 225280304Sjkim des_read_pw(buf, buff, (length > BUFSIZ) ? BUFSIZ : length, prompt, 226280304Sjkim verify); 227280304Sjkim OPENSSL_cleanse(buff, BUFSIZ); 228280304Sjkim return (ret); 229280304Sjkim} 23055714Skris 231109998Smarkm#ifdef OPENSSL_SYS_WINCE 23255714Skris 233280304Sjkimint des_read_pw(char *buf, char *buff, int size, const char *prompt, 234280304Sjkim int verify) 235280304Sjkim{ 236280304Sjkim memset(buf, 0, size); 237280304Sjkim memset(buff, 0, size); 238280304Sjkim return (0); 239280304Sjkim} 240109998Smarkm 241109998Smarkm#elif defined(OPENSSL_SYS_WIN16) 242109998Smarkm 243109998Smarkmint des_read_pw(char *buf, char *buff, int size, char *prompt, int verify) 244280304Sjkim{ 245280304Sjkim memset(buf, 0, size); 246280304Sjkim memset(buff, 0, size); 247280304Sjkim return (0); 248280304Sjkim} 249109998Smarkm 250280304Sjkim#else /* !OPENSSL_SYS_WINCE && !OPENSSL_SYS_WIN16 */ 251109998Smarkm 25255714Skrisstatic void read_till_nl(FILE *in) 253280304Sjkim{ 254280304Sjkim# define SIZE 4 255280304Sjkim char buf[SIZE + 1]; 25655714Skris 257280304Sjkim do { 258280304Sjkim fgets(buf, SIZE, in); 259280304Sjkim } while (strchr(buf, '\n') == NULL); 260280304Sjkim} 26155714Skris 26255714Skris/* return 0 if ok, 1 (or -1) otherwise */ 26355714Skrisint des_read_pw(char *buf, char *buff, int size, const char *prompt, 264280304Sjkim int verify) 265280304Sjkim{ 266280304Sjkim# ifdef OPENSSL_SYS_VMS 267280304Sjkim struct IOSB iosb; 268280304Sjkim $DESCRIPTOR(terminal, "TT"); 269280304Sjkim long tty_orig[3], tty_new[3]; 270280304Sjkim long status; 271280304Sjkim unsigned short channel = 0; 272280304Sjkim# else 273280304Sjkim# if !defined(OPENSSL_SYS_MSDOS) || defined(__DJGPP__) 274280304Sjkim TTY_STRUCT tty_orig, tty_new; 275280304Sjkim# endif 276280304Sjkim# endif 277280304Sjkim int number; 278280304Sjkim int ok; 279280304Sjkim /* 280280304Sjkim * statics are simply to avoid warnings about longjmp clobbering things 281280304Sjkim */ 282280304Sjkim static int ps; 283280304Sjkim int is_a_tty; 284280304Sjkim static FILE *tty; 285280304Sjkim char *p; 28655714Skris 287280304Sjkim if (setjmp(save)) { 288280304Sjkim ok = 0; 289280304Sjkim goto error; 290280304Sjkim } 29155714Skris 292280304Sjkim number = 5; 293280304Sjkim ok = 0; 294280304Sjkim ps = 0; 295280304Sjkim is_a_tty = 1; 296280304Sjkim tty = NULL; 29755714Skris 298280304Sjkim# ifdef OPENSSL_SYS_MSDOS 299280304Sjkim if ((tty = fopen("con", "r")) == NULL) 300280304Sjkim tty = stdin; 301280304Sjkim# elif defined(MAC_OS_pre_X) || defined(OPENSSL_SYS_VXWORKS) 302280304Sjkim tty = stdin; 303280304Sjkim# else 304280304Sjkim# ifndef OPENSSL_SYS_MPE 305280304Sjkim if ((tty = fopen("/dev/tty", "r")) == NULL) 306280304Sjkim# endif 307280304Sjkim tty = stdin; 308280304Sjkim# endif 30955714Skris 310280304Sjkim# if defined(TTY_get) && !defined(OPENSSL_SYS_VMS) 311280304Sjkim if (TTY_get(fileno(tty), &tty_orig) == -1) { 312280304Sjkim# ifdef ENOTTY 313280304Sjkim if (errno == ENOTTY) 314280304Sjkim is_a_tty = 0; 315280304Sjkim else 316280304Sjkim# endif 317280304Sjkim# ifdef EINVAL 318280304Sjkim /* 319280304Sjkim * Ariel Glenn ariel@columbia.edu reports that solaris can return 320280304Sjkim * EINVAL instead. This should be ok 321280304Sjkim */ 322280304Sjkim if (errno == EINVAL) 323280304Sjkim is_a_tty = 0; 324280304Sjkim else 325280304Sjkim# endif 326280304Sjkim return (-1); 327280304Sjkim } 328280304Sjkim memcpy(&(tty_new), &(tty_orig), sizeof(tty_orig)); 329280304Sjkim# endif 330280304Sjkim# ifdef OPENSSL_SYS_VMS 331280304Sjkim status = sys$assign(&terminal, &channel, 0, 0); 332280304Sjkim if (status != SS$_NORMAL) 333280304Sjkim return (-1); 334280304Sjkim status = 335280304Sjkim sys$qiow(0, channel, IO$_SENSEMODE, &iosb, 0, 0, tty_orig, 12, 0, 0, 336280304Sjkim 0, 0); 337280304Sjkim if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL)) 338280304Sjkim return (-1); 339280304Sjkim# endif 34055714Skris 341280304Sjkim pushsig(); 342280304Sjkim ps = 1; 34355714Skris 344280304Sjkim# ifdef TTY_FLAGS 345280304Sjkim tty_new.TTY_FLAGS &= ~ECHO; 346280304Sjkim# endif 34755714Skris 348280304Sjkim# if defined(TTY_set) && !defined(OPENSSL_SYS_VMS) 349280304Sjkim if (is_a_tty && (TTY_set(fileno(tty), &tty_new) == -1)) 350280304Sjkim# ifdef OPENSSL_SYS_MPE 351280304Sjkim ; /* MPE lies -- echo really has been disabled */ 352280304Sjkim# else 353280304Sjkim return (-1); 354280304Sjkim# endif 355280304Sjkim# endif 356280304Sjkim# ifdef OPENSSL_SYS_VMS 357280304Sjkim tty_new[0] = tty_orig[0]; 358280304Sjkim tty_new[1] = tty_orig[1] | TT$M_NOECHO; 359280304Sjkim tty_new[2] = tty_orig[2]; 360280304Sjkim status = 361280304Sjkim sys$qiow(0, channel, IO$_SETMODE, &iosb, 0, 0, tty_new, 12, 0, 0, 0, 362280304Sjkim 0); 363280304Sjkim if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL)) 364280304Sjkim return (-1); 365280304Sjkim# endif 366280304Sjkim ps = 2; 36755714Skris 368280304Sjkim while ((!ok) && (number--)) { 369280304Sjkim fputs(prompt, stderr); 370280304Sjkim fflush(stderr); 37155714Skris 372280304Sjkim buf[0] = '\0'; 373280304Sjkim fgets(buf, size, tty); 374280304Sjkim if (feof(tty)) 375280304Sjkim goto error; 376280304Sjkim if (ferror(tty)) 377280304Sjkim goto error; 378280304Sjkim if ((p = (char *)strchr(buf, '\n')) != NULL) 379280304Sjkim *p = '\0'; 380280304Sjkim else 381280304Sjkim read_till_nl(tty); 382280304Sjkim if (verify) { 383280304Sjkim fprintf(stderr, "\nVerifying password - %s", prompt); 384280304Sjkim fflush(stderr); 385280304Sjkim buff[0] = '\0'; 386280304Sjkim fgets(buff, size, tty); 387280304Sjkim if (feof(tty)) 388280304Sjkim goto error; 389280304Sjkim if ((p = (char *)strchr(buff, '\n')) != NULL) 390280304Sjkim *p = '\0'; 391280304Sjkim else 392280304Sjkim read_till_nl(tty); 39355714Skris 394280304Sjkim if (strcmp(buf, buff) != 0) { 395280304Sjkim fprintf(stderr, "\nVerify failure"); 396280304Sjkim fflush(stderr); 397280304Sjkim break; 398280304Sjkim /* continue; */ 399280304Sjkim } 400280304Sjkim } 401280304Sjkim ok = 1; 402280304Sjkim } 40355714Skris 404280304Sjkim error: 405280304Sjkim fprintf(stderr, "\n"); 406280304Sjkim# if 0 407280304Sjkim perror("fgets(tty)"); 408280304Sjkim# endif 409280304Sjkim /* What can we do if there is an error? */ 410280304Sjkim# if defined(TTY_set) && !defined(OPENSSL_SYS_VMS) 411280304Sjkim if (ps >= 2) 412280304Sjkim TTY_set(fileno(tty), &tty_orig); 413280304Sjkim# endif 414280304Sjkim# ifdef OPENSSL_SYS_VMS 415280304Sjkim if (ps >= 2) 416280304Sjkim status = 417280304Sjkim sys$qiow(0, channel, IO$_SETMODE, &iosb, 0, 0, tty_orig, 12, 0, 0, 418280304Sjkim 0, 0); 419280304Sjkim# endif 420280304Sjkim 421280304Sjkim if (ps >= 1) 422280304Sjkim popsig(); 423280304Sjkim if (stdin != tty) 424280304Sjkim fclose(tty); 425280304Sjkim# ifdef OPENSSL_SYS_VMS 426280304Sjkim status = sys$dassgn(channel); 427280304Sjkim# endif 428280304Sjkim return (!ok); 429280304Sjkim} 430280304Sjkim 43155714Skrisstatic void pushsig(void) 432280304Sjkim{ 433280304Sjkim int i; 434280304Sjkim# ifdef SIGACTION 435280304Sjkim struct sigaction sa; 43655714Skris 437280304Sjkim memset(&sa, 0, sizeof sa); 438280304Sjkim sa.sa_handler = recsig; 439280304Sjkim# endif 44055714Skris 441280304Sjkim for (i = 1; i < NX509_SIG; i++) { 442280304Sjkim# ifdef SIGUSR1 443280304Sjkim if (i == SIGUSR1) 444280304Sjkim continue; 445280304Sjkim# endif 446280304Sjkim# ifdef SIGUSR2 447280304Sjkim if (i == SIGUSR2) 448280304Sjkim continue; 449280304Sjkim# endif 450280304Sjkim# ifdef SIGACTION 451280304Sjkim sigaction(i, &sa, &savsig[i]); 452280304Sjkim# else 453280304Sjkim savsig[i] = signal(i, recsig); 454280304Sjkim# endif 455280304Sjkim } 45655714Skris 457280304Sjkim# ifdef SIGWINCH 458280304Sjkim signal(SIGWINCH, SIG_DFL); 459280304Sjkim# endif 460280304Sjkim} 46155714Skris 46255714Skrisstatic void popsig(void) 463280304Sjkim{ 464280304Sjkim int i; 46555714Skris 466280304Sjkim for (i = 1; i < NX509_SIG; i++) { 467280304Sjkim# ifdef SIGUSR1 468280304Sjkim if (i == SIGUSR1) 469280304Sjkim continue; 470280304Sjkim# endif 471280304Sjkim# ifdef SIGUSR2 472280304Sjkim if (i == SIGUSR2) 473280304Sjkim continue; 474280304Sjkim# endif 475280304Sjkim# ifdef SIGACTION 476280304Sjkim sigaction(i, &savsig[i], NULL); 477280304Sjkim# else 478280304Sjkim signal(i, savsig[i]); 479280304Sjkim# endif 480280304Sjkim } 481280304Sjkim} 48255714Skris 48355714Skrisstatic void recsig(int i) 484280304Sjkim{ 485280304Sjkim longjmp(save, 1); 486280304Sjkim# ifdef LINT 487280304Sjkim i = i; 488280304Sjkim# endif 489280304Sjkim} 49055714Skris 491280304Sjkim# ifdef OPENSSL_SYS_MSDOS 49255714Skrisstatic int noecho_fgets(char *buf, int size, FILE *tty) 493280304Sjkim{ 494280304Sjkim int i; 495280304Sjkim char *p; 49655714Skris 497280304Sjkim p = buf; 498280304Sjkim for (;;) { 499280304Sjkim if (size == 0) { 500280304Sjkim *p = '\0'; 501280304Sjkim break; 502280304Sjkim } 503280304Sjkim size--; 504280304Sjkim# ifdef WIN16TTY 505280304Sjkim i = _inchar(); 506280304Sjkim# else 507280304Sjkim i = getch(); 508280304Sjkim# endif 509280304Sjkim if (i == '\r') 510280304Sjkim i = '\n'; 511280304Sjkim *(p++) = i; 512280304Sjkim if (i == '\n') { 513280304Sjkim *p = '\0'; 514280304Sjkim break; 515280304Sjkim } 516280304Sjkim } 517280304Sjkim# ifdef WIN_CONSOLE_BUG 518280304Sjkim /* 519280304Sjkim * Win95 has several evil console bugs: one of these is that the last 520280304Sjkim * character read using getch() is passed to the next read: this is 521280304Sjkim * usually a CR so this can be trouble. No STDIO fix seems to work but 522280304Sjkim * flushing the console appears to do the trick. 523280304Sjkim */ 524280304Sjkim { 525280304Sjkim HANDLE inh; 526280304Sjkim inh = GetStdHandle(STD_INPUT_HANDLE); 527280304Sjkim FlushConsoleInputBuffer(inh); 528280304Sjkim } 529280304Sjkim# endif 530280304Sjkim return (strlen(buf)); 531280304Sjkim} 532280304Sjkim# endif 533280304Sjkim#endif /* !OPENSSL_SYS_WINCE && !WIN16 */ 534