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authorcvs2svn <admin@example.com>2012-07-13 17:49:56 +0000
committercvs2svn <admin@example.com>2012-07-13 17:49:56 +0000
commitee04221ea8063435416c7e6369e6eae76843aa71 (patch)
tree821921a1dd0a5a3cece91121e121cc63c4b68128 /src/lib/libcrypto/ui/ui_openssl.c
parentadf6731f6e1d04718aee00cb93435143046aee9a (diff)
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This commit was manufactured by cvs2git to create tag 'eric_g2k12'.eric_g2k12
Diffstat (limited to '')
-rw-r--r--src/lib/libcrypto/ui/ui_openssl.c712
1 files changed, 0 insertions, 712 deletions
diff --git a/src/lib/libcrypto/ui/ui_openssl.c b/src/lib/libcrypto/ui/ui_openssl.c
deleted file mode 100644
index 1e3dba0833..0000000000
--- a/src/lib/libcrypto/ui/ui_openssl.c
+++ /dev/null
@@ -1,712 +0,0 @@
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#ifndef _POSIX_C_SOURCE
126#define _POSIX_C_SOURCE 2
127#endif
128#include <signal.h>
129#include <stdio.h>
130#include <string.h>
131#include <errno.h>
132
133#if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS)
134# ifdef OPENSSL_UNISTD
135# include OPENSSL_UNISTD
136# else
137# include <unistd.h>
138# endif
139/* If unistd.h defines _POSIX_VERSION, we conclude that we
140 * are on a POSIX system and have sigaction and termios. */
141# if defined(_POSIX_VERSION)
142
143# define SIGACTION
144# if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY)
145# define TERMIOS
146# endif
147
148# endif
149#endif
150
151#ifdef WIN16TTY
152# undef OPENSSL_SYS_WIN16
153# undef WIN16
154# undef _WINDOWS
155# include <graph.h>
156#endif
157
158/* 06-Apr-92 Luke Brennan Support for VMS */
159#include "ui_locl.h"
160#include "cryptlib.h"
161
162#ifdef OPENSSL_SYS_VMS /* prototypes for sys$whatever */
163# include <starlet.h>
164# ifdef __DECC
165# pragma message disable DOLLARID
166# endif
167#endif
168
169#ifdef WIN_CONSOLE_BUG
170# include <windows.h>
171#ifndef OPENSSL_SYS_WINCE
172# include <wincon.h>
173#endif
174#endif
175
176
177/* There are 5 types of terminal interface supported,
178 * TERMIO, TERMIOS, VMS, MSDOS and SGTTY
179 */
180
181#if defined(__sgi) && !defined(TERMIOS)
182# define TERMIOS
183# undef TERMIO
184# undef SGTTY
185#endif
186
187#if defined(linux) && !defined(TERMIO)
188# undef TERMIOS
189# define TERMIO
190# undef SGTTY
191#endif
192
193#ifdef _LIBC
194# undef TERMIOS
195# define TERMIO
196# undef SGTTY
197#endif
198
199#if !defined(TERMIO) && !defined(TERMIOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && !defined(MAC_OS_GUSI_SOURCE)
200# undef TERMIOS
201# undef TERMIO
202# define SGTTY
203#endif
204
205#if defined(OPENSSL_SYS_VXWORKS)
206#undef TERMIOS
207#undef TERMIO
208#undef SGTTY
209#endif
210
211#if defined(OPENSSL_SYS_NETWARE)
212#undef TERMIOS
213#undef TERMIO
214#undef SGTTY
215#endif
216
217#ifdef TERMIOS
218# include <termios.h>
219# define TTY_STRUCT struct termios
220# define TTY_FLAGS c_lflag
221# define TTY_get(tty,data) tcgetattr(tty,data)
222# define TTY_set(tty,data) tcsetattr(tty,TCSANOW,data)
223#endif
224
225#ifdef TERMIO
226# include <termio.h>
227# define TTY_STRUCT struct termio
228# define TTY_FLAGS c_lflag
229# define TTY_get(tty,data) ioctl(tty,TCGETA,data)
230# define TTY_set(tty,data) ioctl(tty,TCSETA,data)
231#endif
232
233#ifdef SGTTY
234# include <sgtty.h>
235# define TTY_STRUCT struct sgttyb
236# define TTY_FLAGS sg_flags
237# define TTY_get(tty,data) ioctl(tty,TIOCGETP,data)
238# define TTY_set(tty,data) ioctl(tty,TIOCSETP,data)
239#endif
240
241#if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && !defined(OPENSSL_SYS_SUNOS)
242# include <sys/ioctl.h>
243#endif
244
245#ifdef OPENSSL_SYS_MSDOS
246# include <conio.h>
247#endif
248
249#ifdef OPENSSL_SYS_VMS
250# include <ssdef.h>
251# include <iodef.h>
252# include <ttdef.h>
253# include <descrip.h>
254struct IOSB {
255 short iosb$w_value;
256 short iosb$w_count;
257 long iosb$l_info;
258 };
259#endif
260
261#ifdef OPENSSL_SYS_SUNOS
262 typedef int sig_atomic_t;
263#endif
264
265#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(MAC_OS_GUSI_SOURCE) || defined(OPENSSL_SYS_NETWARE)
266/*
267 * This one needs work. As a matter of fact the code is unoperational
268 * and this is only a trick to get it compiled.
269 * <appro@fy.chalmers.se>
270 */
271# define TTY_STRUCT int
272#endif
273
274#ifndef NX509_SIG
275# define NX509_SIG 32
276#endif
277
278
279/* Define globals. They are protected by a lock */
280#ifdef SIGACTION
281static struct sigaction savsig[NX509_SIG];
282#else
283static void (*savsig[NX509_SIG])(int );
284#endif
285
286#ifdef OPENSSL_SYS_VMS
287static struct IOSB iosb;
288static $DESCRIPTOR(terminal,"TT");
289static long tty_orig[3], tty_new[3]; /* XXX Is there any guarantee that this will always suffice for the actual structures? */
290static long status;
291static unsigned short channel = 0;
292#else
293#if !defined(OPENSSL_SYS_MSDOS) || defined(__DJGPP__)
294static TTY_STRUCT tty_orig,tty_new;
295#endif
296#endif
297static FILE *tty_in, *tty_out;
298static int is_a_tty;
299
300/* Declare static functions */
301#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
302static int read_till_nl(FILE *);
303static void recsig(int);
304static void pushsig(void);
305static void popsig(void);
306#endif
307#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16)
308static int noecho_fgets(char *buf, int size, FILE *tty);
309#endif
310static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl);
311
312static int read_string(UI *ui, UI_STRING *uis);
313static int write_string(UI *ui, UI_STRING *uis);
314
315static int open_console(UI *ui);
316static int echo_console(UI *ui);
317static int noecho_console(UI *ui);
318static int close_console(UI *ui);
319
320static UI_METHOD ui_openssl =
321 {
322 "OpenSSL default user interface",
323 open_console,
324 write_string,
325 NULL, /* No flusher is needed for command lines */
326 read_string,
327 close_console,
328 NULL
329 };
330
331/* The method with all the built-in thingies */
332UI_METHOD *UI_OpenSSL(void)
333 {
334 return &ui_openssl;
335 }
336
337/* The following function makes sure that info and error strings are printed
338 before any prompt. */
339static int write_string(UI *ui, UI_STRING *uis)
340 {
341 switch (UI_get_string_type(uis))
342 {
343 case UIT_ERROR:
344 case UIT_INFO:
345 fputs(UI_get0_output_string(uis), tty_out);
346 fflush(tty_out);
347 break;
348 default:
349 break;
350 }
351 return 1;
352 }
353
354static int read_string(UI *ui, UI_STRING *uis)
355 {
356 int ok = 0;
357
358 switch (UI_get_string_type(uis))
359 {
360 case UIT_BOOLEAN:
361 fputs(UI_get0_output_string(uis), tty_out);
362 fputs(UI_get0_action_string(uis), tty_out);
363 fflush(tty_out);
364 return read_string_inner(ui, uis,
365 UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 0);
366 case UIT_PROMPT:
367 fputs(UI_get0_output_string(uis), tty_out);
368 fflush(tty_out);
369 return read_string_inner(ui, uis,
370 UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 1);
371 case UIT_VERIFY:
372 fprintf(tty_out,"Verifying - %s",
373 UI_get0_output_string(uis));
374 fflush(tty_out);
375 if ((ok = read_string_inner(ui, uis,
376 UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 1)) <= 0)
377 return ok;
378 if (strcmp(UI_get0_result_string(uis),
379 UI_get0_test_string(uis)) != 0)
380 {
381 fprintf(tty_out,"Verify failure\n");
382 fflush(tty_out);
383 return 0;
384 }
385 break;
386 default:
387 break;
388 }
389 return 1;
390 }
391
392
393#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
394/* Internal functions to read a string without echoing */
395static int read_till_nl(FILE *in)
396 {
397#define SIZE 4
398 char buf[SIZE+1];
399
400 do {
401 if (fgets(buf,sizeof(buf),in) == NULL)
402 break;
403 } while (strchr(buf,'\n') == NULL);
404 return 1;
405 }
406
407static volatile sig_atomic_t intr_signal;
408#endif
409
410static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl)
411 {
412 static int ps;
413 int ok;
414 char result[BUFSIZ];
415 int maxsize = BUFSIZ-1;
416#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
417 char *p;
418
419 intr_signal=0;
420 ok=0;
421 ps=0;
422
423 pushsig();
424 ps=1;
425
426 if (!echo && !noecho_console(ui))
427 goto error;
428 ps=2;
429
430 result[0]='\0';
431#ifdef OPENSSL_SYS_MSDOS
432 if (!echo)
433 {
434 noecho_fgets(result,maxsize,tty_in);
435 p=result; /* FIXME: noecho_fgets doesn't return errors */
436 }
437 else
438 p=fgets(result,maxsize,tty_in);
439#else
440 p=fgets(result,maxsize,tty_in);
441#endif
442 if(!p)
443 goto error;
444 if (feof(tty_in)) goto error;
445 if (ferror(tty_in)) goto error;
446 if ((p=(char *)strchr(result,'\n')) != NULL)
447 {
448 if (strip_nl)
449 *p='\0';
450 }
451 else
452 if (!read_till_nl(tty_in))
453 goto error;
454 if (UI_set_result(ui, uis, result) >= 0)
455 ok=1;
456
457error:
458 if (intr_signal == SIGINT)
459 ok=-1;
460 if (!echo) fprintf(tty_out,"\n");
461 if (ps >= 2 && !echo && !echo_console(ui))
462 ok=0;
463
464 if (ps >= 1)
465 popsig();
466#else
467 ok=1;
468#endif
469
470 OPENSSL_cleanse(result,BUFSIZ);
471 return ok;
472 }
473
474
475/* Internal functions to open, handle and close a channel to the console. */
476static int open_console(UI *ui)
477 {
478 CRYPTO_w_lock(CRYPTO_LOCK_UI);
479 is_a_tty = 1;
480
481#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS)
482 tty_in=stdin;
483 tty_out=stderr;
484#else
485# ifdef OPENSSL_SYS_MSDOS
486# define DEV_TTY "con"
487# else
488# define DEV_TTY "/dev/tty"
489# endif
490 if ((tty_in=fopen(DEV_TTY,"r")) == NULL)
491 tty_in=stdin;
492 if ((tty_out=fopen(DEV_TTY,"w")) == NULL)
493 tty_out=stderr;
494#endif
495
496#if defined(TTY_get) && !defined(OPENSSL_SYS_VMS)
497 if (TTY_get(fileno(tty_in),&tty_orig) == -1)
498 {
499#ifdef ENOTTY
500 if (errno == ENOTTY)
501 is_a_tty=0;
502 else
503#endif
504#ifdef EINVAL
505 /* Ariel Glenn ariel@columbia.edu reports that solaris
506 * can return EINVAL instead. This should be ok */
507 if (errno == EINVAL)
508 is_a_tty=0;
509 else
510#endif
511 return 0;
512 }
513#endif
514#ifdef OPENSSL_SYS_VMS
515 status = sys$assign(&terminal,&channel,0,0);
516 if (status != SS$_NORMAL)
517 return 0;
518 status=sys$qiow(0,channel,IO$_SENSEMODE,&iosb,0,0,tty_orig,12,0,0,0,0);
519 if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
520 return 0;
521#endif
522 return 1;
523 }
524
525static int noecho_console(UI *ui)
526 {
527#ifdef TTY_FLAGS
528 memcpy(&(tty_new),&(tty_orig),sizeof(tty_orig));
529 tty_new.TTY_FLAGS &= ~ECHO;
530#endif
531
532#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
533 if (is_a_tty && (TTY_set(fileno(tty_in),&tty_new) == -1))
534 return 0;
535#endif
536#ifdef OPENSSL_SYS_VMS
537 tty_new[0] = tty_orig[0];
538 tty_new[1] = tty_orig[1] | TT$M_NOECHO;
539 tty_new[2] = tty_orig[2];
540 status = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0,tty_new,12,0,0,0,0);
541 if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
542 return 0;
543#endif
544 return 1;
545 }
546
547static int echo_console(UI *ui)
548 {
549#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
550 memcpy(&(tty_new),&(tty_orig),sizeof(tty_orig));
551 tty_new.TTY_FLAGS |= ECHO;
552#endif
553
554#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
555 if (is_a_tty && (TTY_set(fileno(tty_in),&tty_new) == -1))
556 return 0;
557#endif
558#ifdef OPENSSL_SYS_VMS
559 tty_new[0] = tty_orig[0];
560 tty_new[1] = tty_orig[1] & ~TT$M_NOECHO;
561 tty_new[2] = tty_orig[2];
562 status = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0,tty_new,12,0,0,0,0);
563 if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
564 return 0;
565#endif
566 return 1;
567 }
568
569static int close_console(UI *ui)
570 {
571 if (tty_in != stdin) fclose(tty_in);
572 if (tty_out != stderr) fclose(tty_out);
573#ifdef OPENSSL_SYS_VMS
574 status = sys$dassgn(channel);
575#endif
576 CRYPTO_w_unlock(CRYPTO_LOCK_UI);
577
578 return 1;
579 }
580
581
582#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
583/* Internal functions to handle signals and act on them */
584static void pushsig(void)
585 {
586#ifndef OPENSSL_SYS_WIN32
587 int i;
588#endif
589#ifdef SIGACTION
590 struct sigaction sa;
591
592 memset(&sa,0,sizeof sa);
593 sa.sa_handler=recsig;
594#endif
595
596#ifdef OPENSSL_SYS_WIN32
597 savsig[SIGABRT]=signal(SIGABRT,recsig);
598 savsig[SIGFPE]=signal(SIGFPE,recsig);
599 savsig[SIGILL]=signal(SIGILL,recsig);
600 savsig[SIGINT]=signal(SIGINT,recsig);
601 savsig[SIGSEGV]=signal(SIGSEGV,recsig);
602 savsig[SIGTERM]=signal(SIGTERM,recsig);
603#else
604 for (i=1; i<NX509_SIG; i++)
605 {
606#ifdef SIGUSR1
607 if (i == SIGUSR1)
608 continue;
609#endif
610#ifdef SIGUSR2
611 if (i == SIGUSR2)
612 continue;
613#endif
614#ifdef SIGKILL
615 if (i == SIGKILL) /* We can't make any action on that. */
616 continue;
617#endif
618#ifdef SIGACTION
619 sigaction(i,&sa,&savsig[i]);
620#else
621 savsig[i]=signal(i,recsig);
622#endif
623 }
624#endif
625
626#ifdef SIGWINCH
627 signal(SIGWINCH,SIG_DFL);
628#endif
629 }
630
631static void popsig(void)
632 {
633#ifdef OPENSSL_SYS_WIN32
634 signal(SIGABRT,savsig[SIGABRT]);
635 signal(SIGFPE,savsig[SIGFPE]);
636 signal(SIGILL,savsig[SIGILL]);
637 signal(SIGINT,savsig[SIGINT]);
638 signal(SIGSEGV,savsig[SIGSEGV]);
639 signal(SIGTERM,savsig[SIGTERM]);
640#else
641 int i;
642 for (i=1; i<NX509_SIG; i++)
643 {
644#ifdef SIGUSR1
645 if (i == SIGUSR1)
646 continue;
647#endif
648#ifdef SIGUSR2
649 if (i == SIGUSR2)
650 continue;
651#endif
652#ifdef SIGACTION
653 sigaction(i,&savsig[i],NULL);
654#else
655 signal(i,savsig[i]);
656#endif
657 }
658#endif
659 }
660
661static void recsig(int i)
662 {
663 intr_signal=i;
664 }
665#endif
666
667/* Internal functions specific for Windows */
668#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
669static int noecho_fgets(char *buf, int size, FILE *tty)
670 {
671 int i;
672 char *p;
673
674 p=buf;
675 for (;;)
676 {
677 if (size == 0)
678 {
679 *p='\0';
680 break;
681 }
682 size--;
683#ifdef WIN16TTY
684 i=_inchar();
685#elif defined(_WIN32)
686 i=_getch();
687#else
688 i=getch();
689#endif
690 if (i == '\r') i='\n';
691 *(p++)=i;
692 if (i == '\n')
693 {
694 *p='\0';
695 break;
696 }
697 }
698#ifdef WIN_CONSOLE_BUG
699/* Win95 has several evil console bugs: one of these is that the
700 * last character read using getch() is passed to the next read: this is
701 * usually a CR so this can be trouble. No STDIO fix seems to work but
702 * flushing the console appears to do the trick.
703 */
704 {
705 HANDLE inh;
706 inh = GetStdHandle(STD_INPUT_HANDLE);
707 FlushConsoleInputBuffer(inh);
708 }
709#endif
710 return(strlen(buf));
711 }
712#endif
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