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CFB DES sync-up with FIPS branch.
[thirdparty/openssl.git] / crypto / ui / ui_openssl.c
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a63d5eaa 1/* crypto/ui/ui_openssl.c -*- mode:C; c-file-style: "eay" -*- */
219a3580
RL		 2/* Written by Richard Levitte (richard@levitte.org) and others
3 * for the OpenSSL project 2001.
a63d5eaa
RL		 4 */
5/* ====================================================================
219a3580 6 * Copyright (c) 2001 The OpenSSL Project. All rights reserved.
a63d5eaa
RL		 7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * openssl-core@openssl.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
02790299
RL		 59/* The lowest level part of this file was previously in crypto/des/read_pwd.c,
60 * Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
61 * All rights reserved.
62 *
63 * This package is an SSL implementation written
64 * by Eric Young (eay@cryptsoft.com).
65 * The implementation was written so as to conform with Netscapes SSL.
66 *
67 * This library is free for commercial and non-commercial use as long as
68 * the following conditions are aheared to. The following conditions
69 * apply to all code found in this distribution, be it the RC4, RSA,
70 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
71 * included with this distribution is covered by the same copyright terms
72 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
73 *
74 * Copyright remains Eric Young's, and as such any Copyright notices in
75 * the code are not to be removed.
76 * If this package is used in a product, Eric Young should be given attribution
77 * as the author of the parts of the library used.
78 * This can be in the form of a textual message at program startup or
79 * in documentation (online or textual) provided with the package.
80 *
81 * Redistribution and use in source and binary forms, with or without
82 * modification, are permitted provided that the following conditions
83 * are met:
84 * 1. Redistributions of source code must retain the copyright
85 * notice, this list of conditions and the following disclaimer.
86 * 2. Redistributions in binary form must reproduce the above copyright
87 * notice, this list of conditions and the following disclaimer in the
88 * documentation and/or other materials provided with the distribution.
89 * 3. All advertising materials mentioning features or use of this software
90 * must display the following acknowledgement:
91 * "This product includes cryptographic software written by
92 * Eric Young (eay@cryptsoft.com)"
93 * The word 'cryptographic' can be left out if the rouines from the library
94 * being used are not cryptographic related :-).
95 * 4. If you include any Windows specific code (or a derivative thereof) from
96 * the apps directory (application code) you must include an acknowledgement:
97 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
98 *
99 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
100 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
101 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
102 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
103 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
104 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
105 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
106 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
107 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
108 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
109 * SUCH DAMAGE.
110 *
111 * The licence and distribution terms for any publically available version or
112 * derivative of this code cannot be changed. i.e. this code cannot simply be
113 * copied and put under another distribution licence
114 * [including the GNU Public Licence.]
115 */
116
117
7babdf20 118#include <openssl/e_os2.h>
02790299 119
2ee67f1d
RL		 120#define _POSIX_C_SOURCE 1
121#include <signal.h>
122#include <stdio.h>
123#undef _POSIX_C_SOURCE
124#include <string.h>
125#include <errno.h>
126
02790299
RL		 127#if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS)
128# ifdef OPENSSL_UNISTD
129# include OPENSSL_UNISTD
130# else
131# include <unistd.h>
132# endif
a63d5eaa
RL		 133/* If unistd.h defines _POSIX_VERSION, we conclude that we
134 * are on a POSIX system and have sigaction and termios. */
02790299 135# if defined(_POSIX_VERSION)
a63d5eaa 136
02790299
RL		 137# define SIGACTION
138# if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY)
139# define TERMIOS
140# endif
a63d5eaa 141
02790299 142# endif
a63d5eaa 143#endif
a63d5eaa
RL		 144
145#ifdef WIN16TTY
02790299
RL		 146# undef OPENSSL_SYS_WIN16
147# undef WIN16
148# undef _WINDOWS
149# include <graph.h>
a63d5eaa
RL		 150#endif
151
152/* 06-Apr-92 Luke Brennan Support for VMS */
153#include "ui_locl.h"
154#include "cryptlib.h"
a63d5eaa 155
02790299
RL		 156#ifdef OPENSSL_SYS_VMS /* prototypes for sys$whatever */
157# include <starlet.h>
158# ifdef __DECC
159# pragma message disable DOLLARID
160# endif
a63d5eaa
RL		 161#endif
162
163#ifdef WIN_CONSOLE_BUG
02790299 164# include <windows.h>
0bf23d9b 165#ifndef OPENSSL_SYS_WINCE
02790299 166# include <wincon.h>
a63d5eaa 167#endif
0bf23d9b 168#endif
a63d5eaa
RL		 169
170
171/* There are 5 types of terminal interface supported,
172 * TERMIO, TERMIOS, VMS, MSDOS and SGTTY
173 */
174
175#if defined(__sgi) && !defined(TERMIOS)
02790299
RL		 176# define TERMIOS
177# undef TERMIO
178# undef SGTTY
a63d5eaa
RL		 179#endif
180
181#if defined(linux) && !defined(TERMIO)
02790299
RL		 182# undef TERMIOS
183# define TERMIO
184# undef SGTTY
a63d5eaa
RL		 185#endif
186
187#ifdef _LIBC
02790299
RL		 188# undef TERMIOS
189# define TERMIO
190# undef SGTTY
a63d5eaa
RL		 191#endif
192
02790299
RL		 193#if !defined(TERMIO) && !defined(TERMIOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && !defined(MAC_OS_GUSI_SOURCE)
194# undef TERMIOS
195# undef TERMIO
196# define SGTTY
a63d5eaa
RL		 197#endif
198
6a89a25c 199#if defined(OPENSSL_SYS_VXWORKS)
3e83e686
RL		 200#undef TERMIOS
201#undef TERMIO
202#undef SGTTY
203#endif
204
4d8743f4
RL		 205#if defined(OPENSSL_SYS_NETWARE)
206#undef TERMIOS
207#undef TERMIO
208#undef SGTTY
209#endif
210
a63d5eaa 211#ifdef TERMIOS
02790299
RL		 212# include <termios.h>
213# define TTY_STRUCT struct termios
214# define TTY_FLAGS c_lflag
215# define TTY_get(tty,data) tcgetattr(tty,data)
216# define TTY_set(tty,data) tcsetattr(tty,TCSANOW,data)
a63d5eaa
RL		 217#endif
218
219#ifdef TERMIO
02790299
RL		 220# include <termio.h>
221# define TTY_STRUCT struct termio
222# define TTY_FLAGS c_lflag
223# define TTY_get(tty,data) ioctl(tty,TCGETA,data)
224# define TTY_set(tty,data) ioctl(tty,TCSETA,data)
a63d5eaa
RL		 225#endif
226
227#ifdef SGTTY
02790299
RL		 228# include <sgtty.h>
229# define TTY_STRUCT struct sgttyb
230# define TTY_FLAGS sg_flags
231# define TTY_get(tty,data) ioctl(tty,TIOCGETP,data)
232# define TTY_set(tty,data) ioctl(tty,TIOCSETP,data)
a63d5eaa
RL		 233#endif
234
0709385d 235#if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && !defined(OPENSSL_SYS_SUNOS)
02790299 236# include <sys/ioctl.h>
a63d5eaa
RL		 237#endif
238
02790299
RL		 239#ifdef OPENSSL_SYS_MSDOS
240# include <conio.h>
a63d5eaa
RL		 241#endif
242
02790299
RL		 243#ifdef OPENSSL_SYS_VMS
244# include <ssdef.h>
245# include <iodef.h>
246# include <ttdef.h>
247# include <descrip.h>
a63d5eaa
RL		 248struct IOSB {
249 short iosb$w_value;
250 short iosb$w_count;
251 long iosb$l_info;
252 };
253#endif
254
0709385d
RL		 255#ifdef OPENSSL_SYS_SUNOS
256 typedef int sig_atomic_t;
257#endif
258
4d8743f4 259#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(MAC_OS_GUSI_SOURCE) || defined(OPENSSL_SYS_NETWARE)
a63d5eaa
RL		 260/*
261 * This one needs work. As a matter of fact the code is unoperational
262 * and this is only a trick to get it compiled.
263 * <appro@fy.chalmers.se>
264 */
02790299 265# define TTY_STRUCT int
a63d5eaa
RL		 266#endif
267
268#ifndef NX509_SIG
02790299 269# define NX509_SIG 32
a63d5eaa
RL		 270#endif
271
272
273/* Define globals. They are protected by a lock */
274#ifdef SIGACTION
275static struct sigaction savsig[NX509_SIG];
276#else
277static void (*savsig[NX509_SIG])(int );
278#endif
a63d5eaa 279
02790299 280#ifdef OPENSSL_SYS_VMS
a63d5eaa
RL		 281static struct IOSB iosb;
282static $DESCRIPTOR(terminal,"TT");
200bc9e3 283static long tty_orig[3], tty_new[3]; /* XXX Is there any guarantee that this will always suffice for the actual structures? */
a63d5eaa
RL		 284static long status;
285static unsigned short channel = 0;
286#else
451dc18f 287#if !defined(OPENSSL_SYS_MSDOS) || defined(__DJGPP__)
a63d5eaa
RL		 288static TTY_STRUCT tty_orig,tty_new;
289#endif
290#endif
200bc9e3 291static FILE *tty_in, *tty_out;
a63d5eaa
RL		 292static int is_a_tty;
293
294/* Declare static functions */
0bf23d9b 295#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
a63d5eaa
RL		 296static void read_till_nl(FILE *);
297static void recsig(int);
298static void pushsig(void);
299static void popsig(void);
0bf23d9b 300#endif
29fb08c2 301#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16)
a63d5eaa
RL		 302static int noecho_fgets(char *buf, int size, FILE *tty);
303#endif
b589977b 304static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl);
a63d5eaa
RL		 305
306static int read_string(UI *ui, UI_STRING *uis);
9ad0f681 307static int write_string(UI *ui, UI_STRING *uis);
a63d5eaa
RL		 308
309static int open_console(UI *ui);
310static int echo_console(UI *ui);
311static int noecho_console(UI *ui);
312static int close_console(UI *ui);
313
314static UI_METHOD ui_openssl =
315 {
316 "OpenSSL default user interface",
317 open_console,
9ad0f681
RL		 318 write_string,
319 NULL, /* No flusher is needed for command lines */
a63d5eaa 320 read_string,
a63d5eaa 321 close_console,
9ad0f681 322 NULL
a63d5eaa
RL		 323 };
324
325/* The method with all the built-in thingies */
326UI_METHOD *UI_OpenSSL(void)
327 {
328 return &ui_openssl;
329 }
330
9ad0f681
RL		 331/* The following function makes sure that info and error strings are printed
332 before any prompt. */
333static int write_string(UI *ui, UI_STRING *uis)
a63d5eaa
RL		 334 {
335 switch (UI_get_string_type(uis))
336 {
b589977b
RL		 337 case UIT_ERROR:
338 case UIT_INFO:
9ad0f681 339 fputs(UI_get0_output_string(uis), tty_out);
200bc9e3 340 fflush(tty_out);
a63d5eaa 341 break;
b589977b
RL		 342 default:
343 break;
9ad0f681
RL		 344 }
345 return 1;
346 }
347
348static int read_string(UI *ui, UI_STRING *uis)
349 {
350 int ok = 0;
351
352 switch (UI_get_string_type(uis))
353 {
b589977b
RL		 354 case UIT_BOOLEAN:
355 fputs(UI_get0_output_string(uis), tty_out);
356 fputs(UI_get0_action_string(uis), tty_out);
357 fflush(tty_out);
358 return read_string_inner(ui, uis,
359 UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 0);
9ad0f681
RL		 360 case UIT_PROMPT:
361 fputs(UI_get0_output_string(uis), tty_out);
362 fflush(tty_out);
363 return read_string_inner(ui, uis,
b589977b 364 UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 1);
9ad0f681 365 case UIT_VERIFY:
200bc9e3 366 fprintf(tty_out,"Verifying - %s",
a63d5eaa 367 UI_get0_output_string(uis));
200bc9e3 368 fflush(tty_out);
9ad0f681 369 if ((ok = read_string_inner(ui, uis,
b589977b 370 UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 1)) <= 0)
9ad0f681 371 return ok;
a63d5eaa
RL		 372 if (strcmp(UI_get0_result_string(uis),
373 UI_get0_test_string(uis)) != 0)
374 {
200bc9e3
BM		 375 fprintf(tty_out,"Verify failure\n");
376 fflush(tty_out);
a63d5eaa
RL		 377 return 0;
378 }
379 break;
a63d5eaa 380 default:
a63d5eaa
RL		 381 break;
382 }
383 return 1;
384 }
385
386
0bf23d9b 387#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
a63d5eaa
RL		 388/* Internal functions to read a string without echoing */
389static void read_till_nl(FILE *in)
390 {
391#define SIZE 4
392 char buf[SIZE+1];
393
394 do {
395 fgets(buf,SIZE,in);
396 } while (strchr(buf,'\n') == NULL);
397 }
398
94960c84 399static volatile sig_atomic_t intr_signal;
0bf23d9b 400#endif
7c517a04 401
b589977b 402static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl)
a63d5eaa
RL		 403 {
404 static int ps;
405 int ok;
b589977b 406 char result[BUFSIZ];
a63d5eaa 407 int maxsize = BUFSIZ-1;
0bf23d9b 408#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
b589977b 409 char *p;
a63d5eaa 410
7c517a04 411 intr_signal=0;
a63d5eaa
RL		 412 ok=0;
413 ps=0;
414
415 pushsig();
416 ps=1;
417
7c517a04
BL		 418 if (!echo && !noecho_console(ui))
419 goto error;
a63d5eaa
RL		 420 ps=2;
421
b589977b 422 result[0]='\0';
02790299 423#ifdef OPENSSL_SYS_MSDOS
b589977b 424 if (!echo)
7c517a04 425 {
b589977b 426 noecho_fgets(result,maxsize,tty_in);
7c517a04
BL		 427 p=result; /* FIXME: noecho_fgets doesn't return errors */
428 }
b589977b 429 else
7c517a04 430 p=fgets(result,maxsize,tty_in);
b589977b 431#else
7c517a04 432 p=fgets(result,maxsize,tty_in);
02790299 433#endif
7c517a04
BL		 434 if(!p)
435 goto error;
b589977b
RL		 436 if (feof(tty_in)) goto error;
437 if (ferror(tty_in)) goto error;
438 if ((p=(char *)strchr(result,'\n')) != NULL)
439 {
440 if (strip_nl)
a63d5eaa 441 *p='\0';
a63d5eaa 442 }
b589977b
RL		 443 else
444 read_till_nl(tty_in);
445 if (UI_set_result(ui, uis, result) >= 0)
446 ok=1;
a63d5eaa
RL		 447
448error:
7c517a04
BL		 449 if (intr_signal == SIGINT)
450 ok=-1;
200bc9e3 451 if (!echo) fprintf(tty_out,"\n");
7c517a04
BL		 452 if (ps >= 2 && !echo && !echo_console(ui))
453 ok=0;
a63d5eaa
RL		 454
455 if (ps >= 1)
456 popsig();
457#else
a63d5eaa
RL		 458 ok=1;
459#endif
460
4579924b 461 OPENSSL_cleanse(result,BUFSIZ);
a63d5eaa
RL		 462 return ok;
463 }
464
465
466/* Internal functions to open, handle and close a channel to the console. */
467static int open_console(UI *ui)
468 {
469 CRYPTO_w_lock(CRYPTO_LOCK_UI);
470 is_a_tty = 1;
471
4d8743f4 472#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE)
200bc9e3
BM		 473 tty_in=stdin;
474 tty_out=stderr;
a63d5eaa 475#else
508f15cd
BM		 476# ifdef OPENSSL_SYS_MSDOS
477# define DEV_TTY "con"
478# else
479# define DEV_TTY "/dev/tty"
480# endif
481 if ((tty_in=fopen(DEV_TTY,"r")) == NULL)
200bc9e3 482 tty_in=stdin;
508f15cd 483 if ((tty_out=fopen(DEV_TTY,"w")) == NULL)
200bc9e3 484 tty_out=stderr;
a63d5eaa
RL		 485#endif
486
c5597592 487#if defined(TTY_get) && !defined(OPENSSL_SYS_VMS)
2ee67f1d 488 if (TTY_get(fileno(tty_in),&tty_orig) == -1)
a63d5eaa
RL		 489 {
490#ifdef ENOTTY
491 if (errno == ENOTTY)
492 is_a_tty=0;
493 else
494#endif
495#ifdef EINVAL
496 /* Ariel Glenn ariel@columbia.edu reports that solaris
497 * can return EINVAL instead. This should be ok */
498 if (errno == EINVAL)
499 is_a_tty=0;
500 else
501#endif
502 return 0;
503 }
504#endif
02790299 505#ifdef OPENSSL_SYS_VMS
a63d5eaa
RL		 506 status = sys$assign(&terminal,&channel,0,0);
507 if (status != SS$_NORMAL)
508 return 0;
509 status=sys$qiow(0,channel,IO$_SENSEMODE,&iosb,0,0,tty_orig,12,0,0,0,0);
510 if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
511 return 0;
512#endif
513 return 1;
514 }
515
516static int noecho_console(UI *ui)
517 {
518#ifdef TTY_FLAGS
519 memcpy(&(tty_new),&(tty_orig),sizeof(tty_orig));
520 tty_new.TTY_FLAGS &= ~ECHO;
521#endif
522
02790299 523#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
200bc9e3 524 if (is_a_tty && (TTY_set(fileno(tty_in),&tty_new) == -1))
a63d5eaa
RL		 525 return 0;
526#endif
02790299 527#ifdef OPENSSL_SYS_VMS
a63d5eaa
RL		 528 tty_new[0] = tty_orig[0];
529 tty_new[1] = tty_orig[1] | TT$M_NOECHO;
530 tty_new[2] = tty_orig[2];
531 status = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0,tty_new,12,0,0,0,0);
532 if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
533 return 0;
534#endif
535 return 1;
536 }
537
538static int echo_console(UI *ui)
539 {
02790299 540#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
a63d5eaa
RL		 541 memcpy(&(tty_new),&(tty_orig),sizeof(tty_orig));
542 tty_new.TTY_FLAGS |= ECHO;
543#endif
544
02790299 545#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
200bc9e3 546 if (is_a_tty && (TTY_set(fileno(tty_in),&tty_new) == -1))
a63d5eaa
RL		 547 return 0;
548#endif
02790299 549#ifdef OPENSSL_SYS_VMS
a63d5eaa
RL		 550 tty_new[0] = tty_orig[0];
551 tty_new[1] = tty_orig[1] & ~TT$M_NOECHO;
552 tty_new[2] = tty_orig[2];
553 status = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0,tty_new,12,0,0,0,0);
554 if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
555 return 0;
556#endif
557 return 1;
558 }
559
560static int close_console(UI *ui)
561 {
caa7b2ad 562 if (tty_in != stdin) fclose(tty_in);
200bc9e3 563 if (tty_out != stderr) fclose(tty_out);
02790299 564#ifdef OPENSSL_SYS_VMS
a63d5eaa
RL		 565 status = sys$dassgn(channel);
566#endif
567 CRYPTO_w_unlock(CRYPTO_LOCK_UI);
568
569 return 1;
570 }
571
572
0bf23d9b 573#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
a63d5eaa
RL		 574/* Internal functions to handle signals and act on them */
575static void pushsig(void)
576 {
577 int i;
578#ifdef SIGACTION
579 struct sigaction sa;
580
581 memset(&sa,0,sizeof sa);
582 sa.sa_handler=recsig;
583#endif
584
585 for (i=1; i<NX509_SIG; i++)
586 {
587#ifdef SIGUSR1
588 if (i == SIGUSR1)
589 continue;
590#endif
591#ifdef SIGUSR2
592 if (i == SIGUSR2)
593 continue;
594#endif
595#ifdef SIGKILL
596 if (i == SIGKILL) /* We can't make any action on that. */
597 continue;
598#endif
599#ifdef SIGACTION
600 sigaction(i,&sa,&savsig[i]);
601#else
602 savsig[i]=signal(i,recsig);
603#endif
604 }
605
606#ifdef SIGWINCH
607 signal(SIGWINCH,SIG_DFL);
608#endif
609 }
610
611static void popsig(void)
612 {
613 int i;
614
615 for (i=1; i<NX509_SIG; i++)
616 {
617#ifdef SIGUSR1
618 if (i == SIGUSR1)
619 continue;
620#endif
621#ifdef SIGUSR2
622 if (i == SIGUSR2)
623 continue;
624#endif
625#ifdef SIGACTION
626 sigaction(i,&savsig[i],NULL);
627#else
628 signal(i,savsig[i]);
629#endif
630 }
631 }
632
633static void recsig(int i)
634 {
7c517a04 635 intr_signal=i;
a63d5eaa 636 }
0bf23d9b 637#endif
a63d5eaa 638
a63d5eaa 639/* Internal functions specific for Windows */
0bf23d9b 640#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
a63d5eaa
RL		 641static int noecho_fgets(char *buf, int size, FILE *tty)
642 {
643 int i;
644 char *p;
645
646 p=buf;
647 for (;;)
648 {
649 if (size == 0)
650 {
651 *p='\0';
652 break;
653 }
654 size--;
655#ifdef WIN16TTY
656 i=_inchar();
657#else
658 i=getch();
659#endif
660 if (i == '\r') i='\n';
661 *(p++)=i;
662 if (i == '\n')
663 {
664 *p='\0';
665 break;
666 }
667 }
668#ifdef WIN_CONSOLE_BUG
669/* Win95 has several evil console bugs: one of these is that the
670 * last character read using getch() is passed to the next read: this is
671 * usually a CR so this can be trouble. No STDIO fix seems to work but
672 * flushing the console appears to do the trick.
673 */
674 {
675 HANDLE inh;
676 inh = GetStdHandle(STD_INPUT_HANDLE);
677 FlushConsoleInputBuffer(inh);
678 }
679#endif
680 return(strlen(buf));
681 }
682#endif
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