1 /* crypto/ui/ui_openssl.c -*- mode:C; c-file-style: "eay" -*- */
2 /* Written by Richard Levitte (richard@levitte.org) and others
3 * for the OpenSSL project 2001.
4 */
5 /* ====================================================================
6 * Copyright (c) 2001 The OpenSSL Project. All rights reserved.
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
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
118 #include <openssl/e_os2.h>
119
120 /* need for #define _POSIX_C_SOURCE arises whenever you pass -ansi to gcc
121 * [maybe others?], because it masks interfaces not discussed in standard,
122 * sigaction and fileno included. -pedantic would be more appropriate for
123 * the intended purposes, but we can't prevent users from adding -ansi.
124 */
125 #define _POSIX_C_SOURCE 1
126 #include <signal.h>
127 #include <stdio.h>
128 #include <string.h>
129 #include <errno.h>
130
131 #if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS)
132 # ifdef OPENSSL_UNISTD
133 # include OPENSSL_UNISTD
134 # else
135 # include <unistd.h>
136 # endif
137 /* If unistd.h defines _POSIX_VERSION, we conclude that we
138 * are on a POSIX system and have sigaction and termios. */
139 # if defined(_POSIX_VERSION)
140
141 # define SIGACTION
142 # if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY)
143 # define TERMIOS
144 # endif
145
146 # endif
147 #endif
148
149 #ifdef WIN16TTY
150 # undef OPENSSL_SYS_WIN16
151 # undef WIN16
152 # undef _WINDOWS
153 # include <graph.h>
154 #endif
155
156 /* 06-Apr-92 Luke Brennan Support for VMS */
157 #include "ui_locl.h"
158 #include "cryptlib.h"
159
160 #ifdef OPENSSL_SYS_VMS /* prototypes for sys$whatever */
161 # include <starlet.h>
162 # ifdef __DECC
163 # pragma message disable DOLLARID
164 # endif
165 #endif
166
167 #ifdef WIN_CONSOLE_BUG
168 # include <windows.h>
169 #ifndef OPENSSL_SYS_WINCE
170 # include <wincon.h>
171 #endif
172 #endif
173
174
175 /* There are 5 types of terminal interface supported,
176 * TERMIO, TERMIOS, VMS, MSDOS and SGTTY
177 */
178
179 #if defined(__sgi) && !defined(TERMIOS)
180 # define TERMIOS
181 # undef TERMIO
182 # undef SGTTY
183 #endif
184
185 #if defined(linux) && !defined(TERMIO)
186 # undef TERMIOS
187 # define TERMIO
188 # undef SGTTY
189 #endif
190
191 #ifdef _LIBC
192 # undef TERMIOS
193 # define TERMIO
194 # undef SGTTY
195 #endif
196
197 #if !defined(TERMIO) && !defined(TERMIOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && !defined(MAC_OS_GUSI_SOURCE)
198 # undef TERMIOS
199 # undef TERMIO
200 # define SGTTY
201 #endif
202
203 #if defined(OPENSSL_SYS_VXWORKS)
204 #undef TERMIOS
205 #undef TERMIO
206 #undef SGTTY
207 #endif
208
209 #if defined(OPENSSL_SYS_NETWARE)
210 #undef TERMIOS
211 #undef TERMIO
212 #undef SGTTY
213 #endif
214
215 #ifdef TERMIOS
216 # include <termios.h>
217 # define TTY_STRUCT struct termios
218 # define TTY_FLAGS c_lflag
219 # define TTY_get(tty,data) tcgetattr(tty,data)
220 # define TTY_set(tty,data) tcsetattr(tty,TCSANOW,data)
221 #endif
222
223 #ifdef TERMIO
224 # include <termio.h>
225 # define TTY_STRUCT struct termio
226 # define TTY_FLAGS c_lflag
227 # define TTY_get(tty,data) ioctl(tty,TCGETA,data)
228 # define TTY_set(tty,data) ioctl(tty,TCSETA,data)
229 #endif
230
231 #ifdef SGTTY
232 # include <sgtty.h>
233 # define TTY_STRUCT struct sgttyb
234 # define TTY_FLAGS sg_flags
235 # define TTY_get(tty,data) ioctl(tty,TIOCGETP,data)
236 # define TTY_set(tty,data) ioctl(tty,TIOCSETP,data)
237 #endif
238
239 #if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && !defined(OPENSSL_SYS_SUNOS)
240 # include <sys/ioctl.h>
241 #endif
242
243 #ifdef OPENSSL_SYS_MSDOS
244 # include <conio.h>
245 #endif
246
247 #ifdef OPENSSL_SYS_VMS
248 # include <ssdef.h>
249 # include <iodef.h>
250 # include <ttdef.h>
251 # include <descrip.h>
252 struct IOSB {
253 short iosb$w_value;
254 short iosb$w_count;
255 long iosb$l_info;
256 };
257 #endif
258
259 #ifdef OPENSSL_SYS_SUNOS
260 typedef int sig_atomic_t;
261 #endif
262
263 #if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(MAC_OS_GUSI_SOURCE) || defined(OPENSSL_SYS_NETWARE)
264 /*
265 * This one needs work. As a matter of fact the code is unoperational
266 * and this is only a trick to get it compiled.
267 * <appro@fy.chalmers.se>
268 */
269 # define TTY_STRUCT int
270 #endif
271
272 #ifndef NX509_SIG
273 # define NX509_SIG 32
274 #endif
275
276
277 /* Define globals. They are protected by a lock */
278 #ifdef SIGACTION
279 static struct sigaction savsig[NX509_SIG];
280 #else
281 static void (*savsig[NX509_SIG])(int );
282 #endif
283
284 #ifdef OPENSSL_SYS_VMS
285 static struct IOSB iosb;
286 static $DESCRIPTOR(terminal,"TT");
287 static long tty_orig[3], tty_new[3]; /* XXX Is there any guarantee that this will always suffice for the actual structures? */
288 static long status;
289 static unsigned short channel = 0;
290 #else
291 #if !defined(OPENSSL_SYS_MSDOS) || defined(__DJGPP__)
292 static TTY_STRUCT tty_orig,tty_new;
293 #endif
294 #endif
295 static FILE *tty_in, *tty_out;
296 static int is_a_tty;
297
298 /* Declare static functions */
299 #if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
300 static void read_till_nl(FILE *);
301 static void recsig(int);
302 static void pushsig(void);
303 static void popsig(void);
304 #endif
305 #if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16)
306 static int noecho_fgets(char *buf, int size, FILE *tty);
307 #endif
308 static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl);
309
310 static int read_string(UI *ui, UI_STRING *uis);
311 static int write_string(UI *ui, UI_STRING *uis);
312
313 static int open_console(UI *ui);
314 static int echo_console(UI *ui);
315 static int noecho_console(UI *ui);
316 static int close_console(UI *ui);
317
318 static UI_METHOD ui_openssl =
319 {
320 "OpenSSL default user interface",
321 open_console,
322 write_string,
323 NULL, /* No flusher is needed for command lines */
324 read_string,
325 close_console,
326 NULL
327 };
328
329 /* The method with all the built-in thingies */
UI_OpenSSL(void)330 UI_METHOD *UI_OpenSSL(void)
331 {
332 return &ui_openssl;
333 }
334
335 /* The following function makes sure that info and error strings are printed
336 before any prompt. */
write_string(UI * ui,UI_STRING * uis)337 static int write_string(UI *ui, UI_STRING *uis)
338 {
339 switch (UI_get_string_type(uis))
340 {
341 case UIT_ERROR:
342 case UIT_INFO:
343 fputs(UI_get0_output_string(uis), tty_out);
344 fflush(tty_out);
345 break;
346 default:
347 break;
348 }
349 return 1;
350 }
351
read_string(UI * ui,UI_STRING * uis)352 static int read_string(UI *ui, UI_STRING *uis)
353 {
354 int ok = 0;
355
356 switch (UI_get_string_type(uis))
357 {
358 case UIT_BOOLEAN:
359 fputs(UI_get0_output_string(uis), tty_out);
360 fputs(UI_get0_action_string(uis), tty_out);
361 fflush(tty_out);
362 return read_string_inner(ui, uis,
363 UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 0);
364 case UIT_PROMPT:
365 fputs(UI_get0_output_string(uis), tty_out);
366 fflush(tty_out);
367 return read_string_inner(ui, uis,
368 UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 1);
369 case UIT_VERIFY:
370 fprintf(tty_out,"Verifying - %s",
371 UI_get0_output_string(uis));
372 fflush(tty_out);
373 if ((ok = read_string_inner(ui, uis,
374 UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 1)) <= 0)
375 return ok;
376 if (strcmp(UI_get0_result_string(uis),
377 UI_get0_test_string(uis)) != 0)
378 {
379 fprintf(tty_out,"Verify failure\n");
380 fflush(tty_out);
381 return 0;
382 }
383 break;
384 default:
385 break;
386 }
387 return 1;
388 }
389
390
391 #if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
392 /* Internal functions to read a string without echoing */
read_till_nl(FILE * in)393 static void read_till_nl(FILE *in)
394 {
395 #define SIZE 4
396 char buf[SIZE+1];
397
398 do {
399 fgets(buf,SIZE,in);
400 } while (strchr(buf,'\n') == NULL);
401 }
402
403 static volatile sig_atomic_t intr_signal;
404 #endif
405
read_string_inner(UI * ui,UI_STRING * uis,int echo,int strip_nl)406 static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl)
407 {
408 static int ps;
409 int ok;
410 char result[BUFSIZ];
411 int maxsize = BUFSIZ-1;
412 #if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
413 char *p;
414
415 intr_signal=0;
416 ok=0;
417 ps=0;
418
419 pushsig();
420 ps=1;
421
422 if (!echo && !noecho_console(ui))
423 goto error;
424 ps=2;
425
426 result[0]='\0';
427 #ifdef OPENSSL_SYS_MSDOS
428 if (!echo)
429 {
430 noecho_fgets(result,maxsize,tty_in);
431 p=result; /* FIXME: noecho_fgets doesn't return errors */
432 }
433 else
434 p=fgets(result,maxsize,tty_in);
435 #else
436 p=fgets(result,maxsize,tty_in);
437 #endif
438 if(!p)
439 goto error;
440 if (feof(tty_in)) goto error;
441 if (ferror(tty_in)) goto error;
442 if ((p=(char *)strchr(result,'\n')) != NULL)
443 {
444 if (strip_nl)
445 *p='\0';
446 }
447 else
448 read_till_nl(tty_in);
449 if (UI_set_result(ui, uis, result) >= 0)
450 ok=1;
451
452 error:
453 if (intr_signal == SIGINT)
454 ok=-1;
455 if (!echo) fprintf(tty_out,"\n");
456 if (ps >= 2 && !echo && !echo_console(ui))
457 ok=0;
458
459 if (ps >= 1)
460 popsig();
461 #else
462 ok=1;
463 #endif
464
465 OPENSSL_cleanse(result,BUFSIZ);
466 return ok;
467 }
468
469
470 /* Internal functions to open, handle and close a channel to the console. */
open_console(UI * ui)471 static int open_console(UI *ui)
472 {
473 CRYPTO_w_lock(CRYPTO_LOCK_UI);
474 is_a_tty = 1;
475
476 #if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE)
477 tty_in=stdin;
478 tty_out=stderr;
479 #else
480 # ifdef OPENSSL_SYS_MSDOS
481 # define DEV_TTY "con"
482 # else
483 # define DEV_TTY "/dev/tty"
484 # endif
485 if ((tty_in=fopen(DEV_TTY,"r")) == NULL)
486 tty_in=stdin;
487 if ((tty_out=fopen(DEV_TTY,"w")) == NULL)
488 tty_out=stderr;
489 #endif
490
491 #if defined(TTY_get) && !defined(OPENSSL_SYS_VMS)
492 if (TTY_get(fileno(tty_in),&tty_orig) == -1)
493 {
494 #ifdef ENOTTY
495 if (errno == ENOTTY)
496 is_a_tty=0;
497 else
498 #endif
499 #ifdef EINVAL
500 /* Ariel Glenn ariel@columbia.edu reports that solaris
501 * can return EINVAL instead. This should be ok */
502 if (errno == EINVAL)
503 is_a_tty=0;
504 else
505 #endif
506 return 0;
507 }
508 #endif
509 #ifdef OPENSSL_SYS_VMS
510 status = sys$assign(&terminal,&channel,0,0);
511 if (status != SS$_NORMAL)
512 return 0;
513 status=sys$qiow(0,channel,IO$_SENSEMODE,&iosb,0,0,tty_orig,12,0,0,0,0);
514 if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
515 return 0;
516 #endif
517 return 1;
518 }
519
noecho_console(UI * ui)520 static int noecho_console(UI *ui)
521 {
522 #ifdef TTY_FLAGS
523 memcpy(&(tty_new),&(tty_orig),sizeof(tty_orig));
524 tty_new.TTY_FLAGS &= ~ECHO;
525 #endif
526
527 #if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
528 if (is_a_tty && (TTY_set(fileno(tty_in),&tty_new) == -1))
529 return 0;
530 #endif
531 #ifdef OPENSSL_SYS_VMS
532 tty_new[0] = tty_orig[0];
533 tty_new[1] = tty_orig[1] | TT$M_NOECHO;
534 tty_new[2] = tty_orig[2];
535 status = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0,tty_new,12,0,0,0,0);
536 if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
537 return 0;
538 #endif
539 return 1;
540 }
541
echo_console(UI * ui)542 static int echo_console(UI *ui)
543 {
544 #if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
545 memcpy(&(tty_new),&(tty_orig),sizeof(tty_orig));
546 tty_new.TTY_FLAGS |= ECHO;
547 #endif
548
549 #if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
550 if (is_a_tty && (TTY_set(fileno(tty_in),&tty_new) == -1))
551 return 0;
552 #endif
553 #ifdef OPENSSL_SYS_VMS
554 tty_new[0] = tty_orig[0];
555 tty_new[1] = tty_orig[1] & ~TT$M_NOECHO;
556 tty_new[2] = tty_orig[2];
557 status = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0,tty_new,12,0,0,0,0);
558 if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
559 return 0;
560 #endif
561 return 1;
562 }
563
close_console(UI * ui)564 static int close_console(UI *ui)
565 {
566 if (tty_in != stdin) fclose(tty_in);
567 if (tty_out != stderr) fclose(tty_out);
568 #ifdef OPENSSL_SYS_VMS
569 status = sys$dassgn(channel);
570 #endif
571 CRYPTO_w_unlock(CRYPTO_LOCK_UI);
572
573 return 1;
574 }
575
576
577 #if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
578 /* Internal functions to handle signals and act on them */
pushsig(void)579 static void pushsig(void)
580 {
581 #ifndef OPENSSL_SYS_WIN32
582 int i;
583 #endif
584 #ifdef SIGACTION
585 struct sigaction sa;
586
587 memset(&sa,0,sizeof sa);
588 sa.sa_handler=recsig;
589 #endif
590
591 #ifdef OPENSSL_SYS_WIN32
592 savsig[SIGABRT]=signal(SIGABRT,recsig);
593 savsig[SIGFPE]=signal(SIGFPE,recsig);
594 savsig[SIGILL]=signal(SIGILL,recsig);
595 savsig[SIGINT]=signal(SIGINT,recsig);
596 savsig[SIGSEGV]=signal(SIGSEGV,recsig);
597 savsig[SIGTERM]=signal(SIGTERM,recsig);
598 #else
599 for (i=1; i<NX509_SIG; i++)
600 {
601 #ifdef SIGUSR1
602 if (i == SIGUSR1)
603 continue;
604 #endif
605 #ifdef SIGUSR2
606 if (i == SIGUSR2)
607 continue;
608 #endif
609 #ifdef SIGKILL
610 if (i == SIGKILL) /* We can't make any action on that. */
611 continue;
612 #endif
613 #ifdef SIGACTION
614 sigaction(i,&sa,&savsig[i]);
615 #else
616 savsig[i]=signal(i,recsig);
617 #endif
618 }
619 #endif
620
621 #ifdef SIGWINCH
622 signal(SIGWINCH,SIG_DFL);
623 #endif
624 }
625
popsig(void)626 static void popsig(void)
627 {
628 #ifdef OPENSSL_SYS_WIN32
629 signal(SIGABRT,savsig[SIGABRT]);
630 signal(SIGFPE,savsig[SIGFPE]);
631 signal(SIGILL,savsig[SIGILL]);
632 signal(SIGINT,savsig[SIGINT]);
633 signal(SIGSEGV,savsig[SIGSEGV]);
634 signal(SIGTERM,savsig[SIGTERM]);
635 #else
636 int i;
637 for (i=1; i<NX509_SIG; i++)
638 {
639 #ifdef SIGUSR1
640 if (i == SIGUSR1)
641 continue;
642 #endif
643 #ifdef SIGUSR2
644 if (i == SIGUSR2)
645 continue;
646 #endif
647 #ifdef SIGACTION
648 sigaction(i,&savsig[i],NULL);
649 #else
650 signal(i,savsig[i]);
651 #endif
652 }
653 #endif
654 }
655
recsig(int i)656 static void recsig(int i)
657 {
658 intr_signal=i;
659 }
660 #endif
661
662 /* Internal functions specific for Windows */
663 #if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
noecho_fgets(char * buf,int size,FILE * tty)664 static int noecho_fgets(char *buf, int size, FILE *tty)
665 {
666 int i;
667 char *p;
668
669 p=buf;
670 for (;;)
671 {
672 if (size == 0)
673 {
674 *p='\0';
675 break;
676 }
677 size--;
678 #ifdef WIN16TTY
679 i=_inchar();
680 #else
681 i=getch();
682 #endif
683 if (i == '\r') i='\n';
684 *(p++)=i;
685 if (i == '\n')
686 {
687 *p='\0';
688 break;
689 }
690 }
691 #ifdef WIN_CONSOLE_BUG
692 /* Win95 has several evil console bugs: one of these is that the
693 * last character read using getch() is passed to the next read: this is
694 * usually a CR so this can be trouble. No STDIO fix seems to work but
695 * flushing the console appears to do the trick.
696 */
697 {
698 HANDLE inh;
699 inh = GetStdHandle(STD_INPUT_HANDLE);
700 FlushConsoleInputBuffer(inh);
701 }
702 #endif
703 return(strlen(buf));
704 }
705 #endif
706