1 /* crypto/des/read_pwd.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
59 #include <openssl/e_os2.h>
60 #if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_WIN32)
61 # ifdef OPENSSL_UNISTD
62 # include OPENSSL_UNISTD
67 * If unistd.h defines _POSIX_VERSION, we conclude that we are on a POSIX
68 * system and have sigaction and termios.
70 # if defined(_POSIX_VERSION)
73 # if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY)
80 /* Define this if you have sigaction() */
81 /* #define SIGACTION */
84 # undef OPENSSL_SYS_WIN16
89 /* 06-Apr-92 Luke Brennan Support for VMS */
98 #ifdef OPENSSL_SYS_VMS /* prototypes for sys$whatever */
101 # pragma message disable DOLLARID
105 #ifdef WIN_CONSOLE_BUG
106 # include <windows.h>
107 # ifndef OPENSSL_SYS_WINCE
113 * There are 5 types of terminal interface supported, TERMIO, TERMIOS, VMS,
117 #if defined(__sgi) && !defined(TERMIOS)
123 #if defined(linux) && !defined(TERMIO)
135 #if !defined(TERMIO) && !defined(TERMIOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MSDOS) && !defined(MAC_OS_pre_X) && !defined(MAC_OS_GUSI_SOURCE)
141 #if defined(OPENSSL_SYS_VXWORKS)
148 # include <termios.h>
149 # define TTY_STRUCT struct termios
150 # define TTY_FLAGS c_lflag
151 # define TTY_get(tty,data) tcgetattr(tty,data)
152 # define TTY_set(tty,data) tcsetattr(tty,TCSANOW,data)
157 # define TTY_STRUCT struct termio
158 # define TTY_FLAGS c_lflag
159 # define TTY_get(tty,data) ioctl(tty,TCGETA,data)
160 # define TTY_set(tty,data) ioctl(tty,TCSETA,data)
165 # define TTY_STRUCT struct sgttyb
166 # define TTY_FLAGS sg_flags
167 # define TTY_get(tty,data) ioctl(tty,TIOCGETP,data)
168 # define TTY_set(tty,data) ioctl(tty,TIOCSETP,data)
171 #if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(MAC_OS_pre_X)
172 # include <sys/ioctl.h>
175 #if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WINCE)
177 # define fgets(a,b,c) noecho_fgets(a,b,c)
180 #ifdef OPENSSL_SYS_VMS
184 # include <descrip.h>
192 #if defined(MAC_OS_pre_X) || defined(MAC_OS_GUSI_SOURCE)
194 * This one needs work. As a matter of fact the code is unoperational
195 * and this is only a trick to get it compiled.
196 * <appro@fy.chalmers.se>
198 # define TTY_STRUCT int
202 # define NX509_SIG 32
205 static void read_till_nl(FILE *);
206 static void recsig(int);
207 static void pushsig(void);
208 static void popsig(void);
209 #if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16)
210 static int noecho_fgets(char *buf, int size, FILE *tty);
213 static struct sigaction savsig[NX509_SIG];
215 static void (*savsig[NX509_SIG]) (int);
219 int des_read_pw_string(char *buf, int length, const char *prompt, int verify)
225 des_read_pw(buf, buff, (length > BUFSIZ) ? BUFSIZ : length, prompt,
227 OPENSSL_cleanse(buff, BUFSIZ);
231 #ifdef OPENSSL_SYS_WINCE
233 int des_read_pw(char *buf, char *buff, int size, const char *prompt,
236 memset(buf, 0, size);
237 memset(buff, 0, size);
241 #elif defined(OPENSSL_SYS_WIN16)
243 int des_read_pw(char *buf, char *buff, int size, char *prompt, int verify)
245 memset(buf, 0, size);
246 memset(buff, 0, size);
250 #else /* !OPENSSL_SYS_WINCE && !OPENSSL_SYS_WIN16 */
252 static void read_till_nl(FILE *in)
258 fgets(buf, SIZE, in);
259 } while (strchr(buf, '\n') == NULL);
262 /* return 0 if ok, 1 (or -1) otherwise */
263 int des_read_pw(char *buf, char *buff, int size, const char *prompt,
266 # ifdef OPENSSL_SYS_VMS
268 $DESCRIPTOR(terminal, "TT");
269 long tty_orig[3], tty_new[3];
271 unsigned short channel = 0;
273 # if !defined(OPENSSL_SYS_MSDOS) || defined(__DJGPP__)
274 TTY_STRUCT tty_orig, tty_new;
280 * statics are simply to avoid warnings about longjmp clobbering things
298 # ifdef OPENSSL_SYS_MSDOS
299 if ((tty = fopen("con", "r")) == NULL)
301 # elif defined(MAC_OS_pre_X) || defined(OPENSSL_SYS_VXWORKS)
304 # ifndef OPENSSL_SYS_MPE
305 if ((tty = fopen("/dev/tty", "r")) == NULL)
310 # if defined(TTY_get) && !defined(OPENSSL_SYS_VMS)
311 if (TTY_get(fileno(tty), &tty_orig) == -1) {
319 * Ariel Glenn ariel@columbia.edu reports that solaris can return
320 * EINVAL instead. This should be ok
328 memcpy(&(tty_new), &(tty_orig), sizeof(tty_orig));
330 # ifdef OPENSSL_SYS_VMS
331 status = sys$assign(&terminal, &channel, 0, 0);
332 if (status != SS$_NORMAL)
335 sys$qiow(0, channel, IO$_SENSEMODE, &iosb, 0, 0, tty_orig, 12, 0, 0,
337 if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
345 tty_new.TTY_FLAGS &= ~ECHO;
348 # if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
349 if (is_a_tty && (TTY_set(fileno(tty), &tty_new) == -1))
350 # ifdef OPENSSL_SYS_MPE
351 ; /* MPE lies -- echo really has been disabled */
356 # ifdef OPENSSL_SYS_VMS
357 tty_new[0] = tty_orig[0];
358 tty_new[1] = tty_orig[1] | TT$M_NOECHO;
359 tty_new[2] = tty_orig[2];
361 sys$qiow(0, channel, IO$_SETMODE, &iosb, 0, 0, tty_new, 12, 0, 0, 0,
363 if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
368 while ((!ok) && (number--)) {
369 fputs(prompt, stderr);
373 fgets(buf, size, tty);
378 if ((p = (char *)strchr(buf, '\n')) != NULL)
383 fprintf(stderr, "\nVerifying password - %s", prompt);
386 fgets(buff, size, tty);
389 if ((p = (char *)strchr(buff, '\n')) != NULL)
394 if (strcmp(buf, buff) != 0) {
395 fprintf(stderr, "\nVerify failure");
405 fprintf(stderr, "\n");
407 perror("fgets(tty)");
409 /* What can we do if there is an error? */
410 # if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
412 TTY_set(fileno(tty), &tty_orig);
414 # ifdef OPENSSL_SYS_VMS
417 sys$qiow(0, channel, IO$_SETMODE, &iosb, 0, 0, tty_orig, 12, 0, 0,
425 # ifdef OPENSSL_SYS_VMS
426 status = sys$dassgn(channel);
431 static void pushsig(void)
437 memset(&sa, 0, sizeof sa);
438 sa.sa_handler = recsig;
441 for (i = 1; i < NX509_SIG; i++) {
451 sigaction(i, &sa, &savsig[i]);
453 savsig[i] = signal(i, recsig);
458 signal(SIGWINCH, SIG_DFL);
462 static void popsig(void)
466 for (i = 1; i < NX509_SIG; i++) {
476 sigaction(i, &savsig[i], NULL);
478 signal(i, savsig[i]);
483 static void recsig(int i)
491 # ifdef OPENSSL_SYS_MSDOS
492 static int noecho_fgets(char *buf, int size, FILE *tty)
517 # ifdef WIN_CONSOLE_BUG
519 * Win95 has several evil console bugs: one of these is that the last
520 * character read using getch() is passed to the next read: this is
521 * usually a CR so this can be trouble. No STDIO fix seems to work but
522 * flushing the console appears to do the trick.
526 inh = GetStdHandle(STD_INPUT_HANDLE);
527 FlushConsoleInputBuffer(inh);
530 return (strlen(buf));
533 #endif /* !OPENSSL_SYS_WINCE && !WIN16 */