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192.168.1.100 / R306 / acd32f0e12acecb1b42a8ed34464f8fd76bcfc80 / . / ap / lib / libssl / openssl-1.1.1o / crypto / ui / ui_openssl.c
blob: 0f630a5bd9631655487dde63266ada69876d329d [file] [log] [blame]
yuezonghe824eb0c2024-06-27 02:32:26 -0700[diff] [blame]1/*
2 * Copyright 2001-2022 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include "e_os.h"
11#include <openssl/e_os2.h>
12#include <openssl/err.h>
13#include <openssl/ui.h>
14
15#ifndef OPENSSL_NO_UI_CONSOLE
16/*
17 * need for #define _POSIX_C_SOURCE arises whenever you pass -ansi to gcc
18 * [maybe others?], because it masks interfaces not discussed in standard,
19 * sigaction and fileno included. -pedantic would be more appropriate for the
20 * intended purposes, but we can't prevent users from adding -ansi.
21 */
22# if defined(OPENSSL_SYS_VXWORKS)
23# include <sys/types.h>
24# endif
25
26# if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
27# ifndef _POSIX_C_SOURCE
28# define _POSIX_C_SOURCE 2
29# endif
30# endif
31# include <signal.h>
32# include <stdio.h>
33# include <string.h>
34# include <errno.h>
35
36# if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS)
37# ifdef OPENSSL_UNISTD
38# include OPENSSL_UNISTD
39# else
40# include <unistd.h>
41# endif
42/*
43 * If unistd.h defines _POSIX_VERSION, we conclude that we are on a POSIX
44 * system and have sigaction and termios.
45 */
46# if defined(_POSIX_VERSION) && _POSIX_VERSION>=199309L
47
48# define SIGACTION
49# if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY)
50# define TERMIOS
51# endif
52
53# endif
54# endif
55
56# include "ui_local.h"
57# include "internal/cryptlib.h"
58
59# ifdef OPENSSL_SYS_VMS /* prototypes for sys$whatever */
60# include <starlet.h>
61# ifdef __DECC
62# pragma message disable DOLLARID
63# endif
64# endif
65
66# ifdef WIN_CONSOLE_BUG
67# include <windows.h>
68# ifndef OPENSSL_SYS_WINCE
69# include <wincon.h>
70# endif
71# endif
72
73/*
74 * There are 6 types of terminal interface supported, TERMIO, TERMIOS, VMS,
75 * MSDOS, WIN32 Console and SGTTY.
76 *
77 * If someone defines one of the macros TERMIO, TERMIOS or SGTTY, it will
78 * remain respected. Otherwise, we default to TERMIOS except for a few
79 * systems that require something different.
80 *
81 * Note: we do not use SGTTY unless it's defined by the configuration. We
82 * may eventually opt to remove its use entirely.
83 */
84
85# if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY)
86
87# if defined(_LIBC)
88# undef TERMIOS
89# define TERMIO
90# undef SGTTY
91/*
92 * We know that VMS, MSDOS, VXWORKS, use entirely other mechanisms.
93 */
94# elif !defined(OPENSSL_SYS_VMS) \
95 && !defined(OPENSSL_SYS_MSDOS) \
96 && !defined(OPENSSL_SYS_VXWORKS)
97# define TERMIOS
98# undef TERMIO
99# undef SGTTY
100# endif
101
102# endif
103
104# if defined(OPENSSL_SYS_VXWORKS)
105# undef TERMIOS
106# undef TERMIO
107# undef SGTTY
108# endif
109
110# ifdef TERMIOS
111# include <termios.h>
112# define TTY_STRUCT struct termios
113# define TTY_FLAGS c_lflag
114# define TTY_get(tty,data) tcgetattr(tty,data)
115# define TTY_set(tty,data) tcsetattr(tty,TCSANOW,data)
116# endif
117
118# ifdef TERMIO
119# include <termio.h>
120# define TTY_STRUCT struct termio
121# define TTY_FLAGS c_lflag
122# define TTY_get(tty,data) ioctl(tty,TCGETA,data)
123# define TTY_set(tty,data) ioctl(tty,TCSETA,data)
124# endif
125
126# ifdef SGTTY
127# include <sgtty.h>
128# define TTY_STRUCT struct sgttyb
129# define TTY_FLAGS sg_flags
130# define TTY_get(tty,data) ioctl(tty,TIOCGETP,data)
131# define TTY_set(tty,data) ioctl(tty,TIOCSETP,data)
132# endif
133
134# if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS)
135# include <sys/ioctl.h>
136# endif
137
138# ifdef OPENSSL_SYS_MSDOS
139# include <conio.h>
140# endif
141
142# ifdef OPENSSL_SYS_VMS
143# include <ssdef.h>
144# include <iodef.h>
145# include <ttdef.h>
146# include <descrip.h>
147struct IOSB {
148 short iosb$w_value;
149 short iosb$w_count;
150 long iosb$l_info;
151};
152# endif
153
154# ifndef NX509_SIG
155# define NX509_SIG 32
156# endif
157
158/* Define globals. They are protected by a lock */
159# ifdef SIGACTION
160static struct sigaction savsig[NX509_SIG];
161# else
162static void (*savsig[NX509_SIG]) (int);
163# endif
164
165# ifdef OPENSSL_SYS_VMS
166static struct IOSB iosb;
167static $DESCRIPTOR(terminal, "TT");
168static long tty_orig[3], tty_new[3]; /* XXX Is there any guarantee that this
169 * will always suffice for the actual
170 * structures? */
171static long status;
172static unsigned short channel = 0;
173# elif defined(_WIN32) && !defined(_WIN32_WCE)
174static DWORD tty_orig, tty_new;
175# else
176# if !defined(OPENSSL_SYS_MSDOS) || defined(__DJGPP__)
177static TTY_STRUCT tty_orig, tty_new;
178# endif
179# endif
180static FILE *tty_in, *tty_out;
181static int is_a_tty;
182
183/* Declare static functions */
184# if !defined(OPENSSL_SYS_WINCE)
185static int read_till_nl(FILE *);
186static void recsig(int);
187static void pushsig(void);
188static void popsig(void);
189# endif
190# if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32)
191static int noecho_fgets(char *buf, int size, FILE *tty);
192# endif
193static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl);
194
195static int read_string(UI *ui, UI_STRING *uis);
196static int write_string(UI *ui, UI_STRING *uis);
197
198static int open_console(UI *ui);
199static int echo_console(UI *ui);
200static int noecho_console(UI *ui);
201static int close_console(UI *ui);
202
203/*
204 * The following function makes sure that info and error strings are printed
205 * before any prompt.
206 */
207static int write_string(UI *ui, UI_STRING *uis)
208{
209 switch (UI_get_string_type(uis)) {
210 case UIT_ERROR:
211 case UIT_INFO:
212 fputs(UI_get0_output_string(uis), tty_out);
213 fflush(tty_out);
214 break;
215 case UIT_NONE:
216 case UIT_PROMPT:
217 case UIT_VERIFY:
218 case UIT_BOOLEAN:
219 break;
220 }
221 return 1;
222}
223
224static int read_string(UI *ui, UI_STRING *uis)
225{
226 int ok = 0;
227
228 switch (UI_get_string_type(uis)) {
229 case UIT_BOOLEAN:
230 fputs(UI_get0_output_string(uis), tty_out);
231 fputs(UI_get0_action_string(uis), tty_out);
232 fflush(tty_out);
233 return read_string_inner(ui, uis,
234 UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO,
235 0);
236 case UIT_PROMPT:
237 fputs(UI_get0_output_string(uis), tty_out);
238 fflush(tty_out);
239 return read_string_inner(ui, uis,
240 UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO,
241 1);
242 case UIT_VERIFY:
243 fprintf(tty_out, "Verifying - %s", UI_get0_output_string(uis));
244 fflush(tty_out);
245 if ((ok = read_string_inner(ui, uis,
246 UI_get_input_flags(uis) &
247 UI_INPUT_FLAG_ECHO, 1)) <= 0)
248 return ok;
249 if (strcmp(UI_get0_result_string(uis), UI_get0_test_string(uis)) != 0) {
250 fprintf(tty_out, "Verify failure\n");
251 fflush(tty_out);
252 return 0;
253 }
254 break;
255 case UIT_NONE:
256 case UIT_INFO:
257 case UIT_ERROR:
258 break;
259 }
260 return 1;
261}
262
263# if !defined(OPENSSL_SYS_WINCE)
264/* Internal functions to read a string without echoing */
265static int read_till_nl(FILE *in)
266{
267# define SIZE 4
268 char buf[SIZE + 1];
269
270 do {
271 if (!fgets(buf, SIZE, in))
272 return 0;
273 } while (strchr(buf, '\n') == NULL);
274 return 1;
275}
276
277static volatile sig_atomic_t intr_signal;
278# endif
279
280static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl)
281{
282 static int ps;
283 int ok;
284 char result[BUFSIZ];
285 int maxsize = BUFSIZ - 1;
286# if !defined(OPENSSL_SYS_WINCE)
287 char *p = NULL;
288 int echo_eol = !echo;
289
290 intr_signal = 0;
291 ok = 0;
292 ps = 0;
293
294 pushsig();
295 ps = 1;
296
297 if (!echo && !noecho_console(ui))
298 goto error;
299 ps = 2;
300
301 result[0] = '\0';
302# if defined(_WIN32)
303 if (is_a_tty) {
304 DWORD numread;
305# if defined(CP_UTF8)
306 if (GetEnvironmentVariableW(L"OPENSSL_WIN32_UTF8", NULL, 0) != 0) {
307 WCHAR wresult[BUFSIZ];
308
309 if (ReadConsoleW(GetStdHandle(STD_INPUT_HANDLE),
310 wresult, maxsize, &numread, NULL)) {
311 if (numread >= 2 &&
312 wresult[numread-2] == L'\r' &&
313 wresult[numread-1] == L'\n') {
314 wresult[numread-2] = L'\n';
315 numread--;
316 }
317 wresult[numread] = '\0';
318 if (WideCharToMultiByte(CP_UTF8, 0, wresult, -1,
319 result, sizeof(result), NULL, 0) > 0)
320 p = result;
321
322 OPENSSL_cleanse(wresult, sizeof(wresult));
323 }
324 } else
325# endif
326 if (ReadConsoleA(GetStdHandle(STD_INPUT_HANDLE),
327 result, maxsize, &numread, NULL)) {
328 if (numread >= 2 &&
329 result[numread-2] == '\r' && result[numread-1] == '\n') {
330 result[numread-2] = '\n';
331 numread--;
332 }
333 result[numread] = '\0';
334 p = result;
335 }
336 } else
337# elif defined(OPENSSL_SYS_MSDOS)
338 if (!echo) {
339 noecho_fgets(result, maxsize, tty_in);
340 p = result; /* FIXME: noecho_fgets doesn't return errors */
341 } else
342# endif
343 p = fgets(result, maxsize, tty_in);
344 if (p == NULL)
345 goto error;
346 if (feof(tty_in))
347 goto error;
348 if (ferror(tty_in))
349 goto error;
350 if ((p = (char *)strchr(result, '\n')) != NULL) {
351 if (strip_nl)
352 *p = '\0';
353 } else if (!read_till_nl(tty_in))
354 goto error;
355 if (UI_set_result(ui, uis, result) >= 0)
356 ok = 1;
357
358 error:
359 if (intr_signal == SIGINT)
360 ok = -1;
361 if (echo_eol)
362 fprintf(tty_out, "\n");
363 if (ps >= 2 && !echo && !echo_console(ui))
364 ok = 0;
365
366 if (ps >= 1)
367 popsig();
368# else
369 ok = 1;
370# endif
371
372 OPENSSL_cleanse(result, BUFSIZ);
373 return ok;
374}
375
376/* Internal functions to open, handle and close a channel to the console. */
377static int open_console(UI *ui)
378{
379 CRYPTO_THREAD_write_lock(ui->lock);
380 is_a_tty = 1;
381
382# if defined(OPENSSL_SYS_VXWORKS)
383 tty_in = stdin;
384 tty_out = stderr;
385# elif defined(_WIN32) && !defined(_WIN32_WCE)
386 if ((tty_out = fopen("conout$", "w")) == NULL)
387 tty_out = stderr;
388
389 if (GetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), &tty_orig)) {
390 tty_in = stdin;
391 } else {
392 is_a_tty = 0;
393 if ((tty_in = fopen("conin$", "r")) == NULL)
394 tty_in = stdin;
395 }
396# else
397# ifdef OPENSSL_SYS_MSDOS
398# define DEV_TTY "con"
399# else
400# define DEV_TTY "/dev/tty"
401# endif
402 if ((tty_in = fopen(DEV_TTY, "r")) == NULL)
403 tty_in = stdin;
404 if ((tty_out = fopen(DEV_TTY, "w")) == NULL)
405 tty_out = stderr;
406# endif
407
408# if defined(TTY_get) && !defined(OPENSSL_SYS_VMS)
409 if (TTY_get(fileno(tty_in), &tty_orig) == -1) {
410# ifdef ENOTTY
411 if (errno == ENOTTY)
412 is_a_tty = 0;
413 else
414# endif
415# ifdef EINVAL
416 /*
417 * Ariel Glenn reports that solaris can return EINVAL instead.
418 * This should be ok
419 */
420 if (errno == EINVAL)
421 is_a_tty = 0;
422 else
423# endif
424# ifdef ENXIO
425 /*
426 * Solaris can return ENXIO.
427 * This should be ok
428 */
429 if (errno == ENXIO)
430 is_a_tty = 0;
431 else
432# endif
433# ifdef EIO
434 /*
435 * Linux can return EIO.
436 * This should be ok
437 */
438 if (errno == EIO)
439 is_a_tty = 0;
440 else
441# endif
442# ifdef EPERM
443 /*
444 * Linux can return EPERM (Operation not permitted),
445 * e.g. if a daemon executes openssl via fork()+execve()
446 * This should be ok
447 */
448 if (errno == EPERM)
449 is_a_tty = 0;
450 else
451# endif
452# ifdef ENODEV
453 /*
454 * MacOS X returns ENODEV (Operation not supported by device),
455 * which seems appropriate.
456 */
457 if (errno == ENODEV)
458 is_a_tty = 0;
459 else
460# endif
461 {
462 char tmp_num[10];
463 BIO_snprintf(tmp_num, sizeof(tmp_num) - 1, "%d", errno);
464 UIerr(UI_F_OPEN_CONSOLE, UI_R_UNKNOWN_TTYGET_ERRNO_VALUE);
465 ERR_add_error_data(2, "errno=", tmp_num);
466
467 return 0;
468 }
469 }
470# endif
471# ifdef OPENSSL_SYS_VMS
472 status = sys$assign(&terminal, &channel, 0, 0);
473
474 /* if there isn't a TT device, something is very wrong */
475 if (status != SS$_NORMAL) {
476 char tmp_num[12];
477
478 BIO_snprintf(tmp_num, sizeof(tmp_num) - 1, "%%X%08X", status);
479 UIerr(UI_F_OPEN_CONSOLE, UI_R_SYSASSIGN_ERROR);
480 ERR_add_error_data(2, "status=", tmp_num);
481 return 0;
482 }
483
484 status = sys$qiow(0, channel, IO$_SENSEMODE, &iosb, 0, 0, tty_orig, 12,
485 0, 0, 0, 0);
486
487 /* If IO$_SENSEMODE doesn't work, this is not a terminal device */
488 if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
489 is_a_tty = 0;
490# endif
491 return 1;
492}
493
494static int noecho_console(UI *ui)
495{
496# ifdef TTY_FLAGS
497 memcpy(&(tty_new), &(tty_orig), sizeof(tty_orig));
498 tty_new.TTY_FLAGS &= ~ECHO;
499# endif
500
501# if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
502 if (is_a_tty && (TTY_set(fileno(tty_in), &tty_new) == -1))
503 return 0;
504# endif
505# ifdef OPENSSL_SYS_VMS
506 if (is_a_tty) {
507 tty_new[0] = tty_orig[0];
508 tty_new[1] = tty_orig[1] | TT$M_NOECHO;
509 tty_new[2] = tty_orig[2];
510 status = sys$qiow(0, channel, IO$_SETMODE, &iosb, 0, 0, tty_new, 12,
511 0, 0, 0, 0);
512 if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL)) {
513 char tmp_num[2][12];
514
515 BIO_snprintf(tmp_num[0], sizeof(tmp_num[0]) - 1, "%%X%08X",
516 status);
517 BIO_snprintf(tmp_num[1], sizeof(tmp_num[1]) - 1, "%%X%08X",
518 iosb.iosb$w_value);
519 UIerr(UI_F_NOECHO_CONSOLE, UI_R_SYSQIOW_ERROR);
520 ERR_add_error_data(5, "status=", tmp_num[0],
521 ",", "iosb.iosb$w_value=", tmp_num[1]);
522 return 0;
523 }
524 }
525# endif
526# if defined(_WIN32) && !defined(_WIN32_WCE)
527 if (is_a_tty) {
528 tty_new = tty_orig;
529 tty_new &= ~ENABLE_ECHO_INPUT;
530 SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), tty_new);
531 }
532# endif
533 return 1;
534}
535
536static int echo_console(UI *ui)
537{
538# if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
539 memcpy(&(tty_new), &(tty_orig), sizeof(tty_orig));
540 if (is_a_tty && (TTY_set(fileno(tty_in), &tty_new) == -1))
541 return 0;
542# endif
543# ifdef OPENSSL_SYS_VMS
544 if (is_a_tty) {
545 tty_new[0] = tty_orig[0];
546 tty_new[1] = tty_orig[1];
547 tty_new[2] = tty_orig[2];
548 status = sys$qiow(0, channel, IO$_SETMODE, &iosb, 0, 0, tty_new, 12,
549 0, 0, 0, 0);
550 if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL)) {
551 char tmp_num[2][12];
552
553 BIO_snprintf(tmp_num[0], sizeof(tmp_num[0]) - 1, "%%X%08X",
554 status);
555 BIO_snprintf(tmp_num[1], sizeof(tmp_num[1]) - 1, "%%X%08X",
556 iosb.iosb$w_value);
557 UIerr(UI_F_ECHO_CONSOLE, UI_R_SYSQIOW_ERROR);
558 ERR_add_error_data(5, "status=", tmp_num[0],
559 ",", "iosb.iosb$w_value=", tmp_num[1]);
560 return 0;
561 }
562 }
563# endif
564# if defined(_WIN32) && !defined(_WIN32_WCE)
565 if (is_a_tty) {
566 tty_new = tty_orig;
567 SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), tty_new);
568 }
569# endif
570 return 1;
571}
572
573static int close_console(UI *ui)
574{
575 int ret = 1;
576
577 if (tty_in != stdin)
578 fclose(tty_in);
579 if (tty_out != stderr)
580 fclose(tty_out);
581# ifdef OPENSSL_SYS_VMS
582 status = sys$dassgn(channel);
583 if (status != SS$_NORMAL) {
584 char tmp_num[12];
585
586 BIO_snprintf(tmp_num, sizeof(tmp_num) - 1, "%%X%08X", status);
587 UIerr(UI_F_CLOSE_CONSOLE, UI_R_SYSDASSGN_ERROR);
588 ERR_add_error_data(2, "status=", tmp_num);
589 ret = 0;
590 }
591# endif
592 CRYPTO_THREAD_unlock(ui->lock);
593
594 return ret;
595}
596
597# if !defined(OPENSSL_SYS_WINCE)
598/* Internal functions to handle signals and act on them */
599static void pushsig(void)
600{
601# ifndef OPENSSL_SYS_WIN32
602 int i;
603# endif
604# ifdef SIGACTION
605 struct sigaction sa;
606
607 memset(&sa, 0, sizeof(sa));
608 sa.sa_handler = recsig;
609# endif
610
611# ifdef OPENSSL_SYS_WIN32
612 savsig[SIGABRT] = signal(SIGABRT, recsig);
613 savsig[SIGFPE] = signal(SIGFPE, recsig);
614 savsig[SIGILL] = signal(SIGILL, recsig);
615 savsig[SIGINT] = signal(SIGINT, recsig);
616 savsig[SIGSEGV] = signal(SIGSEGV, recsig);
617 savsig[SIGTERM] = signal(SIGTERM, recsig);
618# else
619 for (i = 1; i < NX509_SIG; i++) {
620# ifdef SIGUSR1
621 if (i == SIGUSR1)
622 continue;
623# endif
624# ifdef SIGUSR2
625 if (i == SIGUSR2)
626 continue;
627# endif
628# ifdef SIGKILL
629 if (i == SIGKILL) /* We can't make any action on that. */
630 continue;
631# endif
632# ifdef SIGACTION
633 sigaction(i, &sa, &savsig[i]);
634# else
635 savsig[i] = signal(i, recsig);
636# endif
637 }
638# endif
639
640# ifdef SIGWINCH
641 signal(SIGWINCH, SIG_DFL);
642# endif
643}
644
645static void popsig(void)
646{
647# ifdef OPENSSL_SYS_WIN32
648 signal(SIGABRT, savsig[SIGABRT]);
649 signal(SIGFPE, savsig[SIGFPE]);
650 signal(SIGILL, savsig[SIGILL]);
651 signal(SIGINT, savsig[SIGINT]);
652 signal(SIGSEGV, savsig[SIGSEGV]);
653 signal(SIGTERM, savsig[SIGTERM]);
654# else
655 int i;
656 for (i = 1; i < NX509_SIG; i++) {
657# ifdef SIGUSR1
658 if (i == SIGUSR1)
659 continue;
660# endif
661# ifdef SIGUSR2
662 if (i == SIGUSR2)
663 continue;
664# endif
665# ifdef SIGACTION
666 sigaction(i, &savsig[i], NULL);
667# else
668 signal(i, savsig[i]);
669# endif
670 }
671# endif
672}
673
674static void recsig(int i)
675{
676 intr_signal = i;
677}
678# endif
679
680/* Internal functions specific for Windows */
681# if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32)
682static int noecho_fgets(char *buf, int size, FILE *tty)
683{
684 int i;
685 char *p;
686
687 p = buf;
688 for (;;) {
689 if (size == 0) {
690 *p = '\0';
691 break;
692 }
693 size--;
694# if defined(_WIN32)
695 i = _getch();
696# else
697 i = getch();
698# endif
699 if (i == '\r')
700 i = '\n';
701 *(p++) = i;
702 if (i == '\n') {
703 *p = '\0';
704 break;
705 }
706 }
707# ifdef WIN_CONSOLE_BUG
708 /*
709 * Win95 has several evil console bugs: one of these is that the last
710 * character read using getch() is passed to the next read: this is
711 * usually a CR so this can be trouble. No STDIO fix seems to work but
712 * flushing the console appears to do the trick.
713 */
714 {
715 HANDLE inh;
716 inh = GetStdHandle(STD_INPUT_HANDLE);
717 FlushConsoleInputBuffer(inh);
718 }
719# endif
720 return strlen(buf);
721}
722# endif
723
724static UI_METHOD ui_openssl = {
725 "OpenSSL default user interface",
726 open_console,
727 write_string,
728 NULL, /* No flusher is needed for command lines */
729 read_string,
730 close_console,
731 NULL
732};
733
734/* The method with all the built-in console thingies */
735UI_METHOD *UI_OpenSSL(void)
736{
737 return &ui_openssl;
738}
739
740static const UI_METHOD *default_UI_meth = &ui_openssl;
741
742#else
743
744static const UI_METHOD *default_UI_meth = NULL;
745
746#endif
747
748void UI_set_default_method(const UI_METHOD *meth)
749{
750 default_UI_meth = meth;
751}
752
753const UI_METHOD *UI_get_default_method(void)
754{
755 return default_UI_meth;
756}