2 * Written by Richard Levitte (richard@levitte.org) and others for the
3 * OpenSSL project 2001.
5 /* ====================================================================
6 * Copyright (c) 2001 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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 * ====================================================================
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).
60 * The lowest level part of this file was previously in crypto/des/read_pwd.c,
61 * Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
62 * All rights reserved.
64 * This package is an SSL implementation written
65 * by Eric Young (eay@cryptsoft.com).
66 * The implementation was written so as to conform with Netscapes SSL.
68 * This library is free for commercial and non-commercial use as long as
69 * the following conditions are aheared to. The following conditions
70 * apply to all code found in this distribution, be it the RC4, RSA,
71 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
72 * included with this distribution is covered by the same copyright terms
73 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
75 * Copyright remains Eric Young's, and as such any Copyright notices in
76 * the code are not to be removed.
77 * If this package is used in a product, Eric Young should be given attribution
78 * as the author of the parts of the library used.
79 * This can be in the form of a textual message at program startup or
80 * in documentation (online or textual) provided with the package.
82 * Redistribution and use in source and binary forms, with or without
83 * modification, are permitted provided that the following conditions
85 * 1. Redistributions of source code must retain the copyright
86 * notice, this list of conditions and the following disclaimer.
87 * 2. Redistributions in binary form must reproduce the above copyright
88 * notice, this list of conditions and the following disclaimer in the
89 * documentation and/or other materials provided with the distribution.
90 * 3. All advertising materials mentioning features or use of this software
91 * must display the following acknowledgement:
92 * "This product includes cryptographic software written by
93 * Eric Young (eay@cryptsoft.com)"
94 * The word 'cryptographic' can be left out if the rouines from the library
95 * being used are not cryptographic related :-).
96 * 4. If you include any Windows specific code (or a derivative thereof) from
97 * the apps directory (application code) you must include an acknowledgement:
98 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
100 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
101 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
102 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
103 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
104 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
105 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
106 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
107 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
108 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
109 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
112 * The licence and distribution terms for any publically available version or
113 * derivative of this code cannot be changed. i.e. this code cannot simply be
114 * copied and put under another distribution licence
115 * [including the GNU Public Licence.]
118 #include <openssl/e_os2.h>
121 * need for #define _POSIX_C_SOURCE arises whenever you pass -ansi to gcc
122 * [maybe others?], because it masks interfaces not discussed in standard,
123 * sigaction and fileno included. -pedantic would be more appropriate for the
124 * intended purposes, but we can't prevent users from adding -ansi.
126 #if defined(OPENSSL_SYS_VXWORKS)
127 # include <sys/types.h>
130 #if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
131 # ifndef _POSIX_C_SOURCE
132 # define _POSIX_C_SOURCE 2
140 #if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS)
141 # ifdef OPENSSL_UNISTD
142 # include OPENSSL_UNISTD
147 * If unistd.h defines _POSIX_VERSION, we conclude that we are on a POSIX
148 * system and have sigaction and termios.
150 # if defined(_POSIX_VERSION)
153 # if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY)
160 /* 06-Apr-92 Luke Brennan Support for VMS */
162 #include "internal/cryptlib.h"
164 #ifdef OPENSSL_SYS_VMS /* prototypes for sys$whatever */
165 # include <starlet.h>
167 # pragma message disable DOLLARID
171 #ifdef WIN_CONSOLE_BUG
172 # include <windows.h>
173 # ifndef OPENSSL_SYS_WINCE
179 * There are 5 types of terminal interface supported, TERMIO, TERMIOS, VMS,
182 * If someone defines one of the macros TERMIO, TERMIOS or SGTTY, it will
183 * remain respected. Otherwise, we default to TERMIOS except for a few
184 * systems that require something different.
186 * Note: we do not use SGTTY unless it's defined by the configuration. We
187 * may eventually opt to remove it's use entirely.
190 #if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY)
197 * We know that VMS, MSDOS, VXWORKS, NETWARE use entirely other mechanisms.
198 * MAC_OS_GUSI_SOURCE should probably go away, but that needs to be confirmed.
200 # elif !defined(OPENSSL_SYS_VMS) \
201 && !defined(OPENSSL_SYS_MSDOS) \
202 && !defined(MAC_OS_GUSI_SOURCE) \
203 && !defined(OPENSSL_SYS_VXWORKS) \
204 && !defined(OPENSSL_SYS_NETWARE)
213 # include <termios.h>
214 # define TTY_STRUCT struct termios
215 # define TTY_FLAGS c_lflag
216 # define TTY_get(tty,data) tcgetattr(tty,data)
217 # define TTY_set(tty,data) tcsetattr(tty,TCSANOW,data)
222 # define TTY_STRUCT struct termio
223 # define TTY_FLAGS c_lflag
224 # define TTY_get(tty,data) ioctl(tty,TCGETA,data)
225 # define TTY_set(tty,data) ioctl(tty,TCSETA,data)
230 # define TTY_STRUCT struct sgttyb
231 # define TTY_FLAGS sg_flags
232 # define TTY_get(tty,data) ioctl(tty,TIOCGETP,data)
233 # define TTY_set(tty,data) ioctl(tty,TIOCSETP,data)
236 #if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS)
237 # include <sys/ioctl.h>
240 #ifdef OPENSSL_SYS_MSDOS
244 #ifdef OPENSSL_SYS_VMS
248 # include <descrip.h>
256 #if defined(MAC_OS_GUSI_SOURCE) || defined(OPENSSL_SYS_NETWARE)
258 * This one needs work. As a matter of fact the code is unoperational
259 * and this is only a trick to get it compiled.
260 * <appro@fy.chalmers.se>
262 # define TTY_STRUCT int
266 # define NX509_SIG 32
269 /* Define globals. They are protected by a lock */
271 static struct sigaction savsig[NX509_SIG];
273 static void (*savsig[NX509_SIG]) (int);
276 #ifdef OPENSSL_SYS_VMS
277 static struct IOSB iosb;
278 static $DESCRIPTOR(terminal, "TT");
279 static long tty_orig[3], tty_new[3]; /* XXX Is there any guarantee that this
280 * will always suffice for the actual
283 static unsigned short channel = 0;
285 # if !defined(OPENSSL_SYS_MSDOS) || defined(__DJGPP__)
286 static TTY_STRUCT tty_orig, tty_new;
289 static FILE *tty_in, *tty_out;
292 /* Declare static functions */
293 #if !defined(OPENSSL_SYS_WINCE)
294 static int read_till_nl(FILE *);
295 static void recsig(int);
296 static void pushsig(void);
297 static void popsig(void);
299 #if defined(OPENSSL_SYS_MSDOS)
300 static int noecho_fgets(char *buf, int size, FILE *tty);
302 static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl);
304 static int read_string(UI *ui, UI_STRING *uis);
305 static int write_string(UI *ui, UI_STRING *uis);
307 static int open_console(UI *ui);
308 static int echo_console(UI *ui);
309 static int noecho_console(UI *ui);
310 static int close_console(UI *ui);
312 static UI_METHOD ui_openssl = {
313 "OpenSSL default user interface",
316 NULL, /* No flusher is needed for command lines */
322 /* The method with all the built-in thingies */
323 UI_METHOD *UI_OpenSSL(void)
329 * The following function makes sure that info and error strings are printed
332 static int write_string(UI *ui, UI_STRING *uis)
334 switch (UI_get_string_type(uis)) {
337 fputs(UI_get0_output_string(uis), tty_out);
346 static int read_string(UI *ui, UI_STRING *uis)
350 switch (UI_get_string_type(uis)) {
352 fputs(UI_get0_output_string(uis), tty_out);
353 fputs(UI_get0_action_string(uis), tty_out);
355 return read_string_inner(ui, uis,
356 UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO,
359 fputs(UI_get0_output_string(uis), tty_out);
361 return read_string_inner(ui, uis,
362 UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO,
365 fprintf(tty_out, "Verifying - %s", UI_get0_output_string(uis));
367 if ((ok = read_string_inner(ui, uis,
368 UI_get_input_flags(uis) &
369 UI_INPUT_FLAG_ECHO, 1)) <= 0)
371 if (strcmp(UI_get0_result_string(uis), UI_get0_test_string(uis)) != 0) {
372 fprintf(tty_out, "Verify failure\n");
383 #if !defined(OPENSSL_SYS_WINCE)
384 /* Internal functions to read a string without echoing */
385 static int read_till_nl(FILE *in)
391 if (!fgets(buf, SIZE, in))
393 } while (strchr(buf, '\n') == NULL);
397 static volatile sig_atomic_t intr_signal;
400 static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl)
405 int maxsize = BUFSIZ - 1;
406 #if !defined(OPENSSL_SYS_WINCE)
416 if (!echo && !noecho_console(ui))
421 # ifdef OPENSSL_SYS_MSDOS
423 noecho_fgets(result, maxsize, tty_in);
424 p = result; /* FIXME: noecho_fgets doesn't return errors */
426 p = fgets(result, maxsize, tty_in);
428 p = fgets(result, maxsize, tty_in);
436 if ((p = (char *)strchr(result, '\n')) != NULL) {
439 } else if (!read_till_nl(tty_in))
441 if (UI_set_result(ui, uis, result) >= 0)
445 if (intr_signal == SIGINT)
448 fprintf(tty_out, "\n");
449 if (ps >= 2 && !echo && !echo_console(ui))
458 OPENSSL_cleanse(result, BUFSIZ);
462 /* Internal functions to open, handle and close a channel to the console. */
463 static int open_console(UI *ui)
465 CRYPTO_w_lock(CRYPTO_LOCK_UI);
468 #if defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE)
472 # ifdef OPENSSL_SYS_MSDOS
473 # define DEV_TTY "con"
475 # define DEV_TTY "/dev/tty"
477 if ((tty_in = fopen(DEV_TTY, "r")) == NULL)
479 if ((tty_out = fopen(DEV_TTY, "w")) == NULL)
483 #if defined(TTY_get) && !defined(OPENSSL_SYS_VMS)
484 if (TTY_get(fileno(tty_in), &tty_orig) == -1) {
492 * Ariel Glenn ariel@columbia.edu reports that solaris can return
493 * EINVAL instead. This should be ok
502 #ifdef OPENSSL_SYS_VMS
503 status = sys$assign(&terminal, &channel, 0, 0);
504 if (status != SS$_NORMAL)
507 sys$qiow(0, channel, IO$_SENSEMODE, &iosb, 0, 0, tty_orig, 12, 0, 0,
509 if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
515 static int noecho_console(UI *ui)
518 memcpy(&(tty_new), &(tty_orig), sizeof(tty_orig));
519 tty_new.TTY_FLAGS &= ~ECHO;
522 #if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
523 if (is_a_tty && (TTY_set(fileno(tty_in), &tty_new) == -1))
526 #ifdef OPENSSL_SYS_VMS
527 tty_new[0] = tty_orig[0];
528 tty_new[1] = tty_orig[1] | TT$M_NOECHO;
529 tty_new[2] = tty_orig[2];
531 sys$qiow(0, channel, IO$_SETMODE, &iosb, 0, 0, tty_new, 12, 0, 0, 0,
533 if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
539 static int echo_console(UI *ui)
541 #if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
542 memcpy(&(tty_new), &(tty_orig), sizeof(tty_orig));
543 tty_new.TTY_FLAGS |= ECHO;
546 #if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
547 if (is_a_tty && (TTY_set(fileno(tty_in), &tty_new) == -1))
550 #ifdef OPENSSL_SYS_VMS
551 tty_new[0] = tty_orig[0];
552 tty_new[1] = tty_orig[1] & ~TT$M_NOECHO;
553 tty_new[2] = tty_orig[2];
555 sys$qiow(0, channel, IO$_SETMODE, &iosb, 0, 0, tty_new, 12, 0, 0, 0,
557 if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
563 static int close_console(UI *ui)
567 if (tty_out != stderr)
569 #ifdef OPENSSL_SYS_VMS
570 status = sys$dassgn(channel);
572 CRYPTO_w_unlock(CRYPTO_LOCK_UI);
577 #if !defined(OPENSSL_SYS_WINCE)
578 /* Internal functions to handle signals and act on them */
579 static void pushsig(void)
581 # ifndef OPENSSL_SYS_WIN32
587 memset(&sa, 0, sizeof(sa));
588 sa.sa_handler = recsig;
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);
599 for (i = 1; i < NX509_SIG; i++) {
609 if (i == SIGKILL) /* We can't make any action on that. */
613 sigaction(i, &sa, &savsig[i]);
615 savsig[i] = signal(i, recsig);
621 signal(SIGWINCH, SIG_DFL);
625 static void popsig(void)
627 # ifdef OPENSSL_SYS_WIN32
628 signal(SIGABRT, savsig[SIGABRT]);
629 signal(SIGFPE, savsig[SIGFPE]);
630 signal(SIGILL, savsig[SIGILL]);
631 signal(SIGINT, savsig[SIGINT]);
632 signal(SIGSEGV, savsig[SIGSEGV]);
633 signal(SIGTERM, savsig[SIGTERM]);
636 for (i = 1; i < NX509_SIG; i++) {
646 sigaction(i, &savsig[i], NULL);
648 signal(i, savsig[i]);
654 static void recsig(int i)
660 /* Internal functions specific for Windows */
661 #if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WINCE)
662 static int noecho_fgets(char *buf, int size, FILE *tty)
687 # ifdef WIN_CONSOLE_BUG
689 * Win95 has several evil console bugs: one of these is that the last
690 * character read using getch() is passed to the next read: this is
691 * usually a CR so this can be trouble. No STDIO fix seems to work but
692 * flushing the console appears to do the trick.
696 inh = GetStdHandle(STD_INPUT_HANDLE);
697 FlushConsoleInputBuffer(inh);
700 return (strlen(buf));