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a63d5eaa | 1 | /* crypto/ui/ui_openssl.c -*- mode:C; c-file-style: "eay" -*- */ |
219a3580 RL |
2 | /* Written by Richard Levitte (richard@levitte.org) and others |
3 | * for the OpenSSL project 2001. | |
a63d5eaa RL |
4 | */ |
5 | /* ==================================================================== | |
219a3580 | 6 | * Copyright (c) 2001 The OpenSSL Project. All rights reserved. |
a63d5eaa RL |
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 | ||
02790299 RL |
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 | ||
7babdf20 | 118 | #include <openssl/e_os2.h> |
02790299 | 119 | |
6df617a5 AP |
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 | */ | |
ffbfbef9 DSH |
125 | #if defined(OPENSSL_SYSNAME_VXWORKS) |
126 | #include <sys/types.h> | |
127 | #endif | |
128 | ||
fc7dae52 | 129 | #if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS) |
83d8fa7d DSH |
130 | #ifndef _POSIX_C_SOURCE |
131 | #define _POSIX_C_SOURCE 2 | |
132 | #endif | |
fc7dae52 | 133 | #endif |
2ee67f1d RL |
134 | #include <signal.h> |
135 | #include <stdio.h> | |
2ee67f1d RL |
136 | #include <string.h> |
137 | #include <errno.h> | |
138 | ||
02790299 RL |
139 | #if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) |
140 | # ifdef OPENSSL_UNISTD | |
141 | # include OPENSSL_UNISTD | |
142 | # else | |
143 | # include <unistd.h> | |
144 | # endif | |
a63d5eaa RL |
145 | /* If unistd.h defines _POSIX_VERSION, we conclude that we |
146 | * are on a POSIX system and have sigaction and termios. */ | |
02790299 | 147 | # if defined(_POSIX_VERSION) |
a63d5eaa | 148 | |
02790299 RL |
149 | # define SIGACTION |
150 | # if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY) | |
151 | # define TERMIOS | |
152 | # endif | |
a63d5eaa | 153 | |
02790299 | 154 | # endif |
a63d5eaa | 155 | #endif |
a63d5eaa RL |
156 | |
157 | #ifdef WIN16TTY | |
02790299 RL |
158 | # undef OPENSSL_SYS_WIN16 |
159 | # undef WIN16 | |
160 | # undef _WINDOWS | |
161 | # include <graph.h> | |
a63d5eaa RL |
162 | #endif |
163 | ||
164 | /* 06-Apr-92 Luke Brennan Support for VMS */ | |
165 | #include "ui_locl.h" | |
166 | #include "cryptlib.h" | |
a63d5eaa | 167 | |
02790299 RL |
168 | #ifdef OPENSSL_SYS_VMS /* prototypes for sys$whatever */ |
169 | # include <starlet.h> | |
170 | # ifdef __DECC | |
171 | # pragma message disable DOLLARID | |
172 | # endif | |
a63d5eaa RL |
173 | #endif |
174 | ||
175 | #ifdef WIN_CONSOLE_BUG | |
02790299 | 176 | # include <windows.h> |
0bf23d9b | 177 | #ifndef OPENSSL_SYS_WINCE |
02790299 | 178 | # include <wincon.h> |
a63d5eaa | 179 | #endif |
0bf23d9b | 180 | #endif |
a63d5eaa RL |
181 | |
182 | ||
183 | /* There are 5 types of terminal interface supported, | |
184 | * TERMIO, TERMIOS, VMS, MSDOS and SGTTY | |
185 | */ | |
186 | ||
187 | #if defined(__sgi) && !defined(TERMIOS) | |
02790299 RL |
188 | # define TERMIOS |
189 | # undef TERMIO | |
190 | # undef SGTTY | |
a63d5eaa RL |
191 | #endif |
192 | ||
193 | #if defined(linux) && !defined(TERMIO) | |
02790299 RL |
194 | # undef TERMIOS |
195 | # define TERMIO | |
196 | # undef SGTTY | |
a63d5eaa RL |
197 | #endif |
198 | ||
199 | #ifdef _LIBC | |
02790299 RL |
200 | # undef TERMIOS |
201 | # define TERMIO | |
202 | # undef SGTTY | |
a63d5eaa RL |
203 | #endif |
204 | ||
02790299 RL |
205 | #if !defined(TERMIO) && !defined(TERMIOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && !defined(MAC_OS_GUSI_SOURCE) |
206 | # undef TERMIOS | |
207 | # undef TERMIO | |
208 | # define SGTTY | |
a63d5eaa RL |
209 | #endif |
210 | ||
6a89a25c | 211 | #if defined(OPENSSL_SYS_VXWORKS) |
3e83e686 RL |
212 | #undef TERMIOS |
213 | #undef TERMIO | |
214 | #undef SGTTY | |
215 | #endif | |
216 | ||
4d8743f4 RL |
217 | #if defined(OPENSSL_SYS_NETWARE) |
218 | #undef TERMIOS | |
219 | #undef TERMIO | |
220 | #undef SGTTY | |
221 | #endif | |
222 | ||
a63d5eaa | 223 | #ifdef TERMIOS |
02790299 RL |
224 | # include <termios.h> |
225 | # define TTY_STRUCT struct termios | |
226 | # define TTY_FLAGS c_lflag | |
227 | # define TTY_get(tty,data) tcgetattr(tty,data) | |
228 | # define TTY_set(tty,data) tcsetattr(tty,TCSANOW,data) | |
a63d5eaa RL |
229 | #endif |
230 | ||
231 | #ifdef TERMIO | |
02790299 RL |
232 | # include <termio.h> |
233 | # define TTY_STRUCT struct termio | |
234 | # define TTY_FLAGS c_lflag | |
235 | # define TTY_get(tty,data) ioctl(tty,TCGETA,data) | |
236 | # define TTY_set(tty,data) ioctl(tty,TCSETA,data) | |
a63d5eaa RL |
237 | #endif |
238 | ||
239 | #ifdef SGTTY | |
02790299 RL |
240 | # include <sgtty.h> |
241 | # define TTY_STRUCT struct sgttyb | |
242 | # define TTY_FLAGS sg_flags | |
243 | # define TTY_get(tty,data) ioctl(tty,TIOCGETP,data) | |
244 | # define TTY_set(tty,data) ioctl(tty,TIOCSETP,data) | |
a63d5eaa RL |
245 | #endif |
246 | ||
0709385d | 247 | #if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && !defined(OPENSSL_SYS_SUNOS) |
02790299 | 248 | # include <sys/ioctl.h> |
a63d5eaa RL |
249 | #endif |
250 | ||
02790299 RL |
251 | #ifdef OPENSSL_SYS_MSDOS |
252 | # include <conio.h> | |
a63d5eaa RL |
253 | #endif |
254 | ||
02790299 RL |
255 | #ifdef OPENSSL_SYS_VMS |
256 | # include <ssdef.h> | |
257 | # include <iodef.h> | |
258 | # include <ttdef.h> | |
259 | # include <descrip.h> | |
a63d5eaa RL |
260 | struct IOSB { |
261 | short iosb$w_value; | |
262 | short iosb$w_count; | |
263 | long iosb$l_info; | |
264 | }; | |
265 | #endif | |
266 | ||
0709385d RL |
267 | #ifdef OPENSSL_SYS_SUNOS |
268 | typedef int sig_atomic_t; | |
269 | #endif | |
270 | ||
4d8743f4 | 271 | #if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(MAC_OS_GUSI_SOURCE) || defined(OPENSSL_SYS_NETWARE) |
a63d5eaa RL |
272 | /* |
273 | * This one needs work. As a matter of fact the code is unoperational | |
274 | * and this is only a trick to get it compiled. | |
275 | * <appro@fy.chalmers.se> | |
276 | */ | |
02790299 | 277 | # define TTY_STRUCT int |
a63d5eaa RL |
278 | #endif |
279 | ||
280 | #ifndef NX509_SIG | |
02790299 | 281 | # define NX509_SIG 32 |
a63d5eaa RL |
282 | #endif |
283 | ||
284 | ||
285 | /* Define globals. They are protected by a lock */ | |
286 | #ifdef SIGACTION | |
287 | static struct sigaction savsig[NX509_SIG]; | |
288 | #else | |
289 | static void (*savsig[NX509_SIG])(int ); | |
290 | #endif | |
a63d5eaa | 291 | |
02790299 | 292 | #ifdef OPENSSL_SYS_VMS |
a63d5eaa RL |
293 | static struct IOSB iosb; |
294 | static $DESCRIPTOR(terminal,"TT"); | |
200bc9e3 | 295 | static long tty_orig[3], tty_new[3]; /* XXX Is there any guarantee that this will always suffice for the actual structures? */ |
a63d5eaa RL |
296 | static long status; |
297 | static unsigned short channel = 0; | |
298 | #else | |
451dc18f | 299 | #if !defined(OPENSSL_SYS_MSDOS) || defined(__DJGPP__) |
a63d5eaa RL |
300 | static TTY_STRUCT tty_orig,tty_new; |
301 | #endif | |
302 | #endif | |
200bc9e3 | 303 | static FILE *tty_in, *tty_out; |
a63d5eaa RL |
304 | static int is_a_tty; |
305 | ||
306 | /* Declare static functions */ | |
0bf23d9b | 307 | #if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE) |
0e039aa7 | 308 | static int read_till_nl(FILE *); |
a63d5eaa RL |
309 | static void recsig(int); |
310 | static void pushsig(void); | |
311 | static void popsig(void); | |
0bf23d9b | 312 | #endif |
29fb08c2 | 313 | #if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16) |
a63d5eaa RL |
314 | static int noecho_fgets(char *buf, int size, FILE *tty); |
315 | #endif | |
b589977b | 316 | static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl); |
a63d5eaa RL |
317 | |
318 | static int read_string(UI *ui, UI_STRING *uis); | |
9ad0f681 | 319 | static int write_string(UI *ui, UI_STRING *uis); |
a63d5eaa RL |
320 | |
321 | static int open_console(UI *ui); | |
322 | static int echo_console(UI *ui); | |
323 | static int noecho_console(UI *ui); | |
324 | static int close_console(UI *ui); | |
325 | ||
326 | static UI_METHOD ui_openssl = | |
327 | { | |
328 | "OpenSSL default user interface", | |
329 | open_console, | |
9ad0f681 RL |
330 | write_string, |
331 | NULL, /* No flusher is needed for command lines */ | |
a63d5eaa | 332 | read_string, |
a63d5eaa | 333 | close_console, |
9ad0f681 | 334 | NULL |
a63d5eaa RL |
335 | }; |
336 | ||
337 | /* The method with all the built-in thingies */ | |
338 | UI_METHOD *UI_OpenSSL(void) | |
339 | { | |
340 | return &ui_openssl; | |
341 | } | |
342 | ||
9ad0f681 RL |
343 | /* The following function makes sure that info and error strings are printed |
344 | before any prompt. */ | |
345 | static int write_string(UI *ui, UI_STRING *uis) | |
a63d5eaa RL |
346 | { |
347 | switch (UI_get_string_type(uis)) | |
348 | { | |
b589977b RL |
349 | case UIT_ERROR: |
350 | case UIT_INFO: | |
9ad0f681 | 351 | fputs(UI_get0_output_string(uis), tty_out); |
200bc9e3 | 352 | fflush(tty_out); |
a63d5eaa | 353 | break; |
b589977b RL |
354 | default: |
355 | break; | |
9ad0f681 RL |
356 | } |
357 | return 1; | |
358 | } | |
359 | ||
360 | static int read_string(UI *ui, UI_STRING *uis) | |
361 | { | |
362 | int ok = 0; | |
363 | ||
364 | switch (UI_get_string_type(uis)) | |
365 | { | |
b589977b RL |
366 | case UIT_BOOLEAN: |
367 | fputs(UI_get0_output_string(uis), tty_out); | |
368 | fputs(UI_get0_action_string(uis), tty_out); | |
369 | fflush(tty_out); | |
370 | return read_string_inner(ui, uis, | |
371 | UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 0); | |
9ad0f681 RL |
372 | case UIT_PROMPT: |
373 | fputs(UI_get0_output_string(uis), tty_out); | |
374 | fflush(tty_out); | |
375 | return read_string_inner(ui, uis, | |
b589977b | 376 | UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 1); |
9ad0f681 | 377 | case UIT_VERIFY: |
200bc9e3 | 378 | fprintf(tty_out,"Verifying - %s", |
a63d5eaa | 379 | UI_get0_output_string(uis)); |
200bc9e3 | 380 | fflush(tty_out); |
9ad0f681 | 381 | if ((ok = read_string_inner(ui, uis, |
b589977b | 382 | UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 1)) <= 0) |
9ad0f681 | 383 | return ok; |
a63d5eaa RL |
384 | if (strcmp(UI_get0_result_string(uis), |
385 | UI_get0_test_string(uis)) != 0) | |
386 | { | |
200bc9e3 BM |
387 | fprintf(tty_out,"Verify failure\n"); |
388 | fflush(tty_out); | |
a63d5eaa RL |
389 | return 0; |
390 | } | |
391 | break; | |
a63d5eaa | 392 | default: |
a63d5eaa RL |
393 | break; |
394 | } | |
395 | return 1; | |
396 | } | |
397 | ||
398 | ||
0bf23d9b | 399 | #if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE) |
a63d5eaa | 400 | /* Internal functions to read a string without echoing */ |
0e039aa7 | 401 | static int read_till_nl(FILE *in) |
a63d5eaa RL |
402 | { |
403 | #define SIZE 4 | |
404 | char buf[SIZE+1]; | |
405 | ||
406 | do { | |
0e039aa7 DSH |
407 | if (!fgets(buf,SIZE,in)) |
408 | return 0; | |
a63d5eaa | 409 | } while (strchr(buf,'\n') == NULL); |
0e039aa7 | 410 | return 1; |
a63d5eaa RL |
411 | } |
412 | ||
94960c84 | 413 | static volatile sig_atomic_t intr_signal; |
0bf23d9b | 414 | #endif |
7c517a04 | 415 | |
b589977b | 416 | static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl) |
a63d5eaa RL |
417 | { |
418 | static int ps; | |
419 | int ok; | |
b589977b | 420 | char result[BUFSIZ]; |
a63d5eaa | 421 | int maxsize = BUFSIZ-1; |
0bf23d9b | 422 | #if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE) |
b589977b | 423 | char *p; |
a63d5eaa | 424 | |
7c517a04 | 425 | intr_signal=0; |
a63d5eaa RL |
426 | ok=0; |
427 | ps=0; | |
428 | ||
429 | pushsig(); | |
430 | ps=1; | |
431 | ||
7c517a04 BL |
432 | if (!echo && !noecho_console(ui)) |
433 | goto error; | |
a63d5eaa RL |
434 | ps=2; |
435 | ||
b589977b | 436 | result[0]='\0'; |
02790299 | 437 | #ifdef OPENSSL_SYS_MSDOS |
b589977b | 438 | if (!echo) |
7c517a04 | 439 | { |
b589977b | 440 | noecho_fgets(result,maxsize,tty_in); |
7c517a04 BL |
441 | p=result; /* FIXME: noecho_fgets doesn't return errors */ |
442 | } | |
b589977b | 443 | else |
7c517a04 | 444 | p=fgets(result,maxsize,tty_in); |
b589977b | 445 | #else |
7c517a04 | 446 | p=fgets(result,maxsize,tty_in); |
02790299 | 447 | #endif |
7c517a04 BL |
448 | if(!p) |
449 | goto error; | |
b589977b RL |
450 | if (feof(tty_in)) goto error; |
451 | if (ferror(tty_in)) goto error; | |
452 | if ((p=(char *)strchr(result,'\n')) != NULL) | |
453 | { | |
454 | if (strip_nl) | |
a63d5eaa | 455 | *p='\0'; |
a63d5eaa | 456 | } |
b589977b | 457 | else |
0e039aa7 DSH |
458 | if (!read_till_nl(tty_in)) |
459 | goto error; | |
b589977b RL |
460 | if (UI_set_result(ui, uis, result) >= 0) |
461 | ok=1; | |
a63d5eaa RL |
462 | |
463 | error: | |
7c517a04 BL |
464 | if (intr_signal == SIGINT) |
465 | ok=-1; | |
200bc9e3 | 466 | if (!echo) fprintf(tty_out,"\n"); |
7c517a04 BL |
467 | if (ps >= 2 && !echo && !echo_console(ui)) |
468 | ok=0; | |
a63d5eaa RL |
469 | |
470 | if (ps >= 1) | |
471 | popsig(); | |
472 | #else | |
a63d5eaa RL |
473 | ok=1; |
474 | #endif | |
475 | ||
4579924b | 476 | OPENSSL_cleanse(result,BUFSIZ); |
a63d5eaa RL |
477 | return ok; |
478 | } | |
479 | ||
480 | ||
481 | /* Internal functions to open, handle and close a channel to the console. */ | |
482 | static int open_console(UI *ui) | |
483 | { | |
484 | CRYPTO_w_lock(CRYPTO_LOCK_UI); | |
485 | is_a_tty = 1; | |
486 | ||
4700aea9 | 487 | #if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS) |
200bc9e3 BM |
488 | tty_in=stdin; |
489 | tty_out=stderr; | |
a63d5eaa | 490 | #else |
508f15cd BM |
491 | # ifdef OPENSSL_SYS_MSDOS |
492 | # define DEV_TTY "con" | |
493 | # else | |
494 | # define DEV_TTY "/dev/tty" | |
495 | # endif | |
496 | if ((tty_in=fopen(DEV_TTY,"r")) == NULL) | |
200bc9e3 | 497 | tty_in=stdin; |
508f15cd | 498 | if ((tty_out=fopen(DEV_TTY,"w")) == NULL) |
200bc9e3 | 499 | tty_out=stderr; |
a63d5eaa RL |
500 | #endif |
501 | ||
c5597592 | 502 | #if defined(TTY_get) && !defined(OPENSSL_SYS_VMS) |
2ee67f1d | 503 | if (TTY_get(fileno(tty_in),&tty_orig) == -1) |
a63d5eaa RL |
504 | { |
505 | #ifdef ENOTTY | |
506 | if (errno == ENOTTY) | |
507 | is_a_tty=0; | |
508 | else | |
509 | #endif | |
510 | #ifdef EINVAL | |
511 | /* Ariel Glenn ariel@columbia.edu reports that solaris | |
512 | * can return EINVAL instead. This should be ok */ | |
513 | if (errno == EINVAL) | |
514 | is_a_tty=0; | |
515 | else | |
516 | #endif | |
517 | return 0; | |
518 | } | |
519 | #endif | |
02790299 | 520 | #ifdef OPENSSL_SYS_VMS |
a63d5eaa RL |
521 | status = sys$assign(&terminal,&channel,0,0); |
522 | if (status != SS$_NORMAL) | |
523 | return 0; | |
524 | status=sys$qiow(0,channel,IO$_SENSEMODE,&iosb,0,0,tty_orig,12,0,0,0,0); | |
525 | if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL)) | |
526 | return 0; | |
527 | #endif | |
528 | return 1; | |
529 | } | |
530 | ||
531 | static int noecho_console(UI *ui) | |
532 | { | |
533 | #ifdef TTY_FLAGS | |
534 | memcpy(&(tty_new),&(tty_orig),sizeof(tty_orig)); | |
535 | tty_new.TTY_FLAGS &= ~ECHO; | |
536 | #endif | |
537 | ||
02790299 | 538 | #if defined(TTY_set) && !defined(OPENSSL_SYS_VMS) |
200bc9e3 | 539 | if (is_a_tty && (TTY_set(fileno(tty_in),&tty_new) == -1)) |
a63d5eaa RL |
540 | return 0; |
541 | #endif | |
02790299 | 542 | #ifdef OPENSSL_SYS_VMS |
a63d5eaa RL |
543 | tty_new[0] = tty_orig[0]; |
544 | tty_new[1] = tty_orig[1] | TT$M_NOECHO; | |
545 | tty_new[2] = tty_orig[2]; | |
546 | status = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0,tty_new,12,0,0,0,0); | |
547 | if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL)) | |
548 | return 0; | |
549 | #endif | |
550 | return 1; | |
551 | } | |
552 | ||
553 | static int echo_console(UI *ui) | |
554 | { | |
02790299 | 555 | #if defined(TTY_set) && !defined(OPENSSL_SYS_VMS) |
a63d5eaa RL |
556 | memcpy(&(tty_new),&(tty_orig),sizeof(tty_orig)); |
557 | tty_new.TTY_FLAGS |= ECHO; | |
558 | #endif | |
559 | ||
02790299 | 560 | #if defined(TTY_set) && !defined(OPENSSL_SYS_VMS) |
200bc9e3 | 561 | if (is_a_tty && (TTY_set(fileno(tty_in),&tty_new) == -1)) |
a63d5eaa RL |
562 | return 0; |
563 | #endif | |
02790299 | 564 | #ifdef OPENSSL_SYS_VMS |
a63d5eaa RL |
565 | tty_new[0] = tty_orig[0]; |
566 | tty_new[1] = tty_orig[1] & ~TT$M_NOECHO; | |
567 | tty_new[2] = tty_orig[2]; | |
568 | status = sys$qiow(0,channel,IO$_SETMODE,&iosb,0,0,tty_new,12,0,0,0,0); | |
569 | if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL)) | |
570 | return 0; | |
571 | #endif | |
572 | return 1; | |
573 | } | |
574 | ||
575 | static int close_console(UI *ui) | |
576 | { | |
caa7b2ad | 577 | if (tty_in != stdin) fclose(tty_in); |
200bc9e3 | 578 | if (tty_out != stderr) fclose(tty_out); |
02790299 | 579 | #ifdef OPENSSL_SYS_VMS |
a63d5eaa RL |
580 | status = sys$dassgn(channel); |
581 | #endif | |
582 | CRYPTO_w_unlock(CRYPTO_LOCK_UI); | |
583 | ||
584 | return 1; | |
585 | } | |
586 | ||
587 | ||
0bf23d9b | 588 | #if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE) |
a63d5eaa RL |
589 | /* Internal functions to handle signals and act on them */ |
590 | static void pushsig(void) | |
591 | { | |
bfa4b8c5 | 592 | #ifndef OPENSSL_SYS_WIN32 |
a63d5eaa | 593 | int i; |
bfa4b8c5 | 594 | #endif |
a63d5eaa RL |
595 | #ifdef SIGACTION |
596 | struct sigaction sa; | |
597 | ||
598 | memset(&sa,0,sizeof sa); | |
599 | sa.sa_handler=recsig; | |
600 | #endif | |
601 | ||
6d00101e AP |
602 | #ifdef OPENSSL_SYS_WIN32 |
603 | savsig[SIGABRT]=signal(SIGABRT,recsig); | |
604 | savsig[SIGFPE]=signal(SIGFPE,recsig); | |
605 | savsig[SIGILL]=signal(SIGILL,recsig); | |
606 | savsig[SIGINT]=signal(SIGINT,recsig); | |
607 | savsig[SIGSEGV]=signal(SIGSEGV,recsig); | |
608 | savsig[SIGTERM]=signal(SIGTERM,recsig); | |
609 | #else | |
a63d5eaa RL |
610 | for (i=1; i<NX509_SIG; i++) |
611 | { | |
612 | #ifdef SIGUSR1 | |
613 | if (i == SIGUSR1) | |
614 | continue; | |
615 | #endif | |
616 | #ifdef SIGUSR2 | |
617 | if (i == SIGUSR2) | |
618 | continue; | |
619 | #endif | |
620 | #ifdef SIGKILL | |
621 | if (i == SIGKILL) /* We can't make any action on that. */ | |
622 | continue; | |
623 | #endif | |
624 | #ifdef SIGACTION | |
625 | sigaction(i,&sa,&savsig[i]); | |
626 | #else | |
627 | savsig[i]=signal(i,recsig); | |
628 | #endif | |
629 | } | |
6d00101e | 630 | #endif |
a63d5eaa RL |
631 | |
632 | #ifdef SIGWINCH | |
633 | signal(SIGWINCH,SIG_DFL); | |
634 | #endif | |
635 | } | |
636 | ||
637 | static void popsig(void) | |
638 | { | |
6d00101e AP |
639 | #ifdef OPENSSL_SYS_WIN32 |
640 | signal(SIGABRT,savsig[SIGABRT]); | |
641 | signal(SIGFPE,savsig[SIGFPE]); | |
642 | signal(SIGILL,savsig[SIGILL]); | |
643 | signal(SIGINT,savsig[SIGINT]); | |
644 | signal(SIGSEGV,savsig[SIGSEGV]); | |
645 | signal(SIGTERM,savsig[SIGTERM]); | |
646 | #else | |
bfa4b8c5 | 647 | int i; |
a63d5eaa RL |
648 | for (i=1; i<NX509_SIG; i++) |
649 | { | |
650 | #ifdef SIGUSR1 | |
651 | if (i == SIGUSR1) | |
652 | continue; | |
653 | #endif | |
654 | #ifdef SIGUSR2 | |
655 | if (i == SIGUSR2) | |
656 | continue; | |
657 | #endif | |
658 | #ifdef SIGACTION | |
659 | sigaction(i,&savsig[i],NULL); | |
660 | #else | |
661 | signal(i,savsig[i]); | |
662 | #endif | |
663 | } | |
6d00101e | 664 | #endif |
a63d5eaa RL |
665 | } |
666 | ||
667 | static void recsig(int i) | |
668 | { | |
7c517a04 | 669 | intr_signal=i; |
a63d5eaa | 670 | } |
0bf23d9b | 671 | #endif |
a63d5eaa | 672 | |
a63d5eaa | 673 | /* Internal functions specific for Windows */ |
0bf23d9b | 674 | #if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE) |
a63d5eaa RL |
675 | static int noecho_fgets(char *buf, int size, FILE *tty) |
676 | { | |
677 | int i; | |
678 | char *p; | |
679 | ||
680 | p=buf; | |
681 | for (;;) | |
682 | { | |
683 | if (size == 0) | |
684 | { | |
685 | *p='\0'; | |
686 | break; | |
687 | } | |
688 | size--; | |
689 | #ifdef WIN16TTY | |
690 | i=_inchar(); | |
e527201f AP |
691 | #elif defined(_WIN32) |
692 | i=_getch(); | |
a63d5eaa RL |
693 | #else |
694 | i=getch(); | |
695 | #endif | |
696 | if (i == '\r') i='\n'; | |
697 | *(p++)=i; | |
698 | if (i == '\n') | |
699 | { | |
700 | *p='\0'; | |
701 | break; | |
702 | } | |
703 | } | |
704 | #ifdef WIN_CONSOLE_BUG | |
705 | /* Win95 has several evil console bugs: one of these is that the | |
706 | * last character read using getch() is passed to the next read: this is | |
707 | * usually a CR so this can be trouble. No STDIO fix seems to work but | |
708 | * flushing the console appears to do the trick. | |
709 | */ | |
710 | { | |
711 | HANDLE inh; | |
712 | inh = GetStdHandle(STD_INPUT_HANDLE); | |
713 | FlushConsoleInputBuffer(inh); | |
714 | } | |
715 | #endif | |
716 | return(strlen(buf)); | |
717 | } | |
718 | #endif |