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0f113f3e | 1 | /* |
aa6bb135 | 2 | * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved. |
0f113f3e | 3 | * |
aa6bb135 RS |
4 | * Licensed under the OpenSSL license (the "License"). You may not use |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
02790299 RL |
8 | */ |
9 | ||
7babdf20 | 10 | #include <openssl/e_os2.h> |
02790299 | 11 | |
0f113f3e MC |
12 | /* |
13 | * need for #define _POSIX_C_SOURCE arises whenever you pass -ansi to gcc | |
6df617a5 | 14 | * [maybe others?], because it masks interfaces not discussed in standard, |
0f113f3e MC |
15 | * sigaction and fileno included. -pedantic would be more appropriate for the |
16 | * intended purposes, but we can't prevent users from adding -ansi. | |
6df617a5 | 17 | */ |
68b00c23 | 18 | #if defined(OPENSSL_SYS_VXWORKS) |
0f113f3e | 19 | # include <sys/types.h> |
ffbfbef9 DSH |
20 | #endif |
21 | ||
fc7dae52 | 22 | #if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS) |
0f113f3e MC |
23 | # ifndef _POSIX_C_SOURCE |
24 | # define _POSIX_C_SOURCE 2 | |
25 | # endif | |
fc7dae52 | 26 | #endif |
2ee67f1d RL |
27 | #include <signal.h> |
28 | #include <stdio.h> | |
2ee67f1d RL |
29 | #include <string.h> |
30 | #include <errno.h> | |
31 | ||
02790299 RL |
32 | #if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) |
33 | # ifdef OPENSSL_UNISTD | |
34 | # include OPENSSL_UNISTD | |
35 | # else | |
36 | # include <unistd.h> | |
37 | # endif | |
0f113f3e MC |
38 | /* |
39 | * If unistd.h defines _POSIX_VERSION, we conclude that we are on a POSIX | |
40 | * system and have sigaction and termios. | |
41 | */ | |
02790299 | 42 | # if defined(_POSIX_VERSION) |
a63d5eaa | 43 | |
02790299 RL |
44 | # define SIGACTION |
45 | # if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY) | |
46 | # define TERMIOS | |
47 | # endif | |
a63d5eaa | 48 | |
02790299 | 49 | # endif |
a63d5eaa | 50 | #endif |
a63d5eaa | 51 | |
a63d5eaa RL |
52 | /* 06-Apr-92 Luke Brennan Support for VMS */ |
53 | #include "ui_locl.h" | |
b39fc560 | 54 | #include "internal/cryptlib.h" |
a63d5eaa | 55 | |
0f113f3e | 56 | #ifdef OPENSSL_SYS_VMS /* prototypes for sys$whatever */ |
02790299 RL |
57 | # include <starlet.h> |
58 | # ifdef __DECC | |
59 | # pragma message disable DOLLARID | |
60 | # endif | |
a63d5eaa RL |
61 | #endif |
62 | ||
63 | #ifdef WIN_CONSOLE_BUG | |
02790299 | 64 | # include <windows.h> |
0f113f3e MC |
65 | # ifndef OPENSSL_SYS_WINCE |
66 | # include <wincon.h> | |
67 | # endif | |
0bf23d9b | 68 | #endif |
a63d5eaa | 69 | |
0f113f3e MC |
70 | /* |
71 | * There are 5 types of terminal interface supported, TERMIO, TERMIOS, VMS, | |
64e6bf64 RL |
72 | * MSDOS and SGTTY. |
73 | * | |
74 | * If someone defines one of the macros TERMIO, TERMIOS or SGTTY, it will | |
75 | * remain respected. Otherwise, we default to TERMIOS except for a few | |
76 | * systems that require something different. | |
77 | * | |
78 | * Note: we do not use SGTTY unless it's defined by the configuration. We | |
79 | * may eventually opt to remove it's use entirely. | |
a63d5eaa RL |
80 | */ |
81 | ||
64e6bf64 | 82 | #if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY) |
a63d5eaa | 83 | |
64e6bf64 RL |
84 | # if defined(_LIBC) |
85 | # undef TERMIOS | |
86 | # define TERMIO | |
87 | # undef SGTTY | |
88 | /* | |
1fbab1dc | 89 | * We know that VMS, MSDOS, VXWORKS, use entirely other mechanisms. |
64e6bf64 RL |
90 | * MAC_OS_GUSI_SOURCE should probably go away, but that needs to be confirmed. |
91 | */ | |
92 | # elif !defined(OPENSSL_SYS_VMS) \ | |
93 | && !defined(OPENSSL_SYS_MSDOS) \ | |
94 | && !defined(MAC_OS_GUSI_SOURCE) \ | |
507c7c0e | 95 | && !defined(OPENSSL_SYS_VXWORKS) |
64e6bf64 RL |
96 | # define TERMIOS |
97 | # undef TERMIO | |
98 | # undef SGTTY | |
99 | # endif | |
3e83e686 | 100 | |
4d8743f4 RL |
101 | #endif |
102 | ||
a63d5eaa | 103 | #ifdef TERMIOS |
02790299 | 104 | # include <termios.h> |
0f113f3e MC |
105 | # define TTY_STRUCT struct termios |
106 | # define TTY_FLAGS c_lflag | |
107 | # define TTY_get(tty,data) tcgetattr(tty,data) | |
108 | # define TTY_set(tty,data) tcsetattr(tty,TCSANOW,data) | |
a63d5eaa RL |
109 | #endif |
110 | ||
111 | #ifdef TERMIO | |
02790299 | 112 | # include <termio.h> |
0f113f3e MC |
113 | # define TTY_STRUCT struct termio |
114 | # define TTY_FLAGS c_lflag | |
115 | # define TTY_get(tty,data) ioctl(tty,TCGETA,data) | |
116 | # define TTY_set(tty,data) ioctl(tty,TCSETA,data) | |
a63d5eaa RL |
117 | #endif |
118 | ||
119 | #ifdef SGTTY | |
02790299 | 120 | # include <sgtty.h> |
0f113f3e MC |
121 | # define TTY_STRUCT struct sgttyb |
122 | # define TTY_FLAGS sg_flags | |
123 | # define TTY_get(tty,data) ioctl(tty,TIOCGETP,data) | |
124 | # define TTY_set(tty,data) ioctl(tty,TIOCSETP,data) | |
a63d5eaa RL |
125 | #endif |
126 | ||
f2319414 | 127 | #if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) |
02790299 | 128 | # include <sys/ioctl.h> |
a63d5eaa RL |
129 | #endif |
130 | ||
02790299 RL |
131 | #ifdef OPENSSL_SYS_MSDOS |
132 | # include <conio.h> | |
a63d5eaa RL |
133 | #endif |
134 | ||
02790299 RL |
135 | #ifdef OPENSSL_SYS_VMS |
136 | # include <ssdef.h> | |
137 | # include <iodef.h> | |
138 | # include <ttdef.h> | |
139 | # include <descrip.h> | |
a63d5eaa | 140 | struct IOSB { |
0f113f3e MC |
141 | short iosb$w_value; |
142 | short iosb$w_count; | |
143 | long iosb$l_info; | |
144 | }; | |
a63d5eaa RL |
145 | #endif |
146 | ||
1fbab1dc | 147 | #if defined(MAC_OS_GUSI_SOURCE) |
a63d5eaa RL |
148 | /* |
149 | * This one needs work. As a matter of fact the code is unoperational | |
150 | * and this is only a trick to get it compiled. | |
0f113f3e | 151 | * <appro@fy.chalmers.se> |
a63d5eaa | 152 | */ |
02790299 | 153 | # define TTY_STRUCT int |
a63d5eaa RL |
154 | #endif |
155 | ||
156 | #ifndef NX509_SIG | |
02790299 | 157 | # define NX509_SIG 32 |
a63d5eaa RL |
158 | #endif |
159 | ||
a63d5eaa RL |
160 | /* Define globals. They are protected by a lock */ |
161 | #ifdef SIGACTION | |
162 | static struct sigaction savsig[NX509_SIG]; | |
163 | #else | |
0f113f3e | 164 | static void (*savsig[NX509_SIG]) (int); |
a63d5eaa | 165 | #endif |
a63d5eaa | 166 | |
02790299 | 167 | #ifdef OPENSSL_SYS_VMS |
a63d5eaa | 168 | static struct IOSB iosb; |
0f113f3e MC |
169 | static $DESCRIPTOR(terminal, "TT"); |
170 | static long tty_orig[3], tty_new[3]; /* XXX Is there any guarantee that this | |
171 | * will always suffice for the actual | |
172 | * structures? */ | |
a63d5eaa RL |
173 | static long status; |
174 | static unsigned short channel = 0; | |
175 | #else | |
0f113f3e MC |
176 | # if !defined(OPENSSL_SYS_MSDOS) || defined(__DJGPP__) |
177 | static TTY_STRUCT tty_orig, tty_new; | |
178 | # endif | |
a63d5eaa | 179 | #endif |
200bc9e3 | 180 | static FILE *tty_in, *tty_out; |
a63d5eaa RL |
181 | static int is_a_tty; |
182 | ||
183 | /* Declare static functions */ | |
6d23cf97 | 184 | #if !defined(OPENSSL_SYS_WINCE) |
0e039aa7 | 185 | static int read_till_nl(FILE *); |
a63d5eaa RL |
186 | static void recsig(int); |
187 | static void pushsig(void); | |
188 | static void popsig(void); | |
0bf23d9b | 189 | #endif |
6d23cf97 | 190 | #if defined(OPENSSL_SYS_MSDOS) |
a63d5eaa RL |
191 | static int noecho_fgets(char *buf, int size, FILE *tty); |
192 | #endif | |
b589977b | 193 | static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl); |
a63d5eaa RL |
194 | |
195 | static int read_string(UI *ui, UI_STRING *uis); | |
9ad0f681 | 196 | static int write_string(UI *ui, UI_STRING *uis); |
a63d5eaa RL |
197 | |
198 | static int open_console(UI *ui); | |
199 | static int echo_console(UI *ui); | |
200 | static int noecho_console(UI *ui); | |
201 | static int close_console(UI *ui); | |
202 | ||
0f113f3e MC |
203 | static UI_METHOD ui_openssl = { |
204 | "OpenSSL default user interface", | |
205 | open_console, | |
206 | write_string, | |
207 | NULL, /* No flusher is needed for command lines */ | |
208 | read_string, | |
209 | close_console, | |
210 | NULL | |
211 | }; | |
a63d5eaa RL |
212 | |
213 | /* The method with all the built-in thingies */ | |
214 | UI_METHOD *UI_OpenSSL(void) | |
0f113f3e MC |
215 | { |
216 | return &ui_openssl; | |
217 | } | |
a63d5eaa | 218 | |
0f113f3e MC |
219 | /* |
220 | * The following function makes sure that info and error strings are printed | |
221 | * before any prompt. | |
222 | */ | |
9ad0f681 | 223 | static int write_string(UI *ui, UI_STRING *uis) |
0f113f3e MC |
224 | { |
225 | switch (UI_get_string_type(uis)) { | |
226 | case UIT_ERROR: | |
227 | case UIT_INFO: | |
228 | fputs(UI_get0_output_string(uis), tty_out); | |
229 | fflush(tty_out); | |
230 | break; | |
231 | default: | |
232 | break; | |
233 | } | |
234 | return 1; | |
235 | } | |
9ad0f681 RL |
236 | |
237 | static int read_string(UI *ui, UI_STRING *uis) | |
0f113f3e MC |
238 | { |
239 | int ok = 0; | |
240 | ||
241 | switch (UI_get_string_type(uis)) { | |
242 | case UIT_BOOLEAN: | |
243 | fputs(UI_get0_output_string(uis), tty_out); | |
244 | fputs(UI_get0_action_string(uis), tty_out); | |
245 | fflush(tty_out); | |
246 | return read_string_inner(ui, uis, | |
247 | UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, | |
248 | 0); | |
249 | case UIT_PROMPT: | |
250 | fputs(UI_get0_output_string(uis), tty_out); | |
251 | fflush(tty_out); | |
252 | return read_string_inner(ui, uis, | |
253 | UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, | |
254 | 1); | |
255 | case UIT_VERIFY: | |
256 | fprintf(tty_out, "Verifying - %s", UI_get0_output_string(uis)); | |
257 | fflush(tty_out); | |
258 | if ((ok = read_string_inner(ui, uis, | |
259 | UI_get_input_flags(uis) & | |
260 | UI_INPUT_FLAG_ECHO, 1)) <= 0) | |
261 | return ok; | |
262 | if (strcmp(UI_get0_result_string(uis), UI_get0_test_string(uis)) != 0) { | |
263 | fprintf(tty_out, "Verify failure\n"); | |
264 | fflush(tty_out); | |
265 | return 0; | |
266 | } | |
267 | break; | |
268 | default: | |
269 | break; | |
270 | } | |
271 | return 1; | |
272 | } | |
a63d5eaa | 273 | |
6d23cf97 | 274 | #if !defined(OPENSSL_SYS_WINCE) |
a63d5eaa | 275 | /* Internal functions to read a string without echoing */ |
0e039aa7 | 276 | static int read_till_nl(FILE *in) |
0f113f3e MC |
277 | { |
278 | # define SIZE 4 | |
279 | char buf[SIZE + 1]; | |
a63d5eaa | 280 | |
0f113f3e MC |
281 | do { |
282 | if (!fgets(buf, SIZE, in)) | |
283 | return 0; | |
284 | } while (strchr(buf, '\n') == NULL); | |
285 | return 1; | |
286 | } | |
a63d5eaa | 287 | |
94960c84 | 288 | static volatile sig_atomic_t intr_signal; |
0bf23d9b | 289 | #endif |
7c517a04 | 290 | |
b589977b | 291 | static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl) |
0f113f3e MC |
292 | { |
293 | static int ps; | |
294 | int ok; | |
295 | char result[BUFSIZ]; | |
296 | int maxsize = BUFSIZ - 1; | |
6d23cf97 | 297 | #if !defined(OPENSSL_SYS_WINCE) |
0f113f3e MC |
298 | char *p; |
299 | ||
300 | intr_signal = 0; | |
301 | ok = 0; | |
302 | ps = 0; | |
303 | ||
304 | pushsig(); | |
305 | ps = 1; | |
306 | ||
307 | if (!echo && !noecho_console(ui)) | |
308 | goto error; | |
309 | ps = 2; | |
310 | ||
311 | result[0] = '\0'; | |
312 | # ifdef OPENSSL_SYS_MSDOS | |
313 | if (!echo) { | |
314 | noecho_fgets(result, maxsize, tty_in); | |
315 | p = result; /* FIXME: noecho_fgets doesn't return errors */ | |
316 | } else | |
317 | p = fgets(result, maxsize, tty_in); | |
318 | # else | |
319 | p = fgets(result, maxsize, tty_in); | |
320 | # endif | |
321 | if (!p) | |
322 | goto error; | |
323 | if (feof(tty_in)) | |
324 | goto error; | |
325 | if (ferror(tty_in)) | |
326 | goto error; | |
327 | if ((p = (char *)strchr(result, '\n')) != NULL) { | |
328 | if (strip_nl) | |
329 | *p = '\0'; | |
330 | } else if (!read_till_nl(tty_in)) | |
331 | goto error; | |
332 | if (UI_set_result(ui, uis, result) >= 0) | |
333 | ok = 1; | |
334 | ||
335 | error: | |
336 | if (intr_signal == SIGINT) | |
337 | ok = -1; | |
338 | if (!echo) | |
339 | fprintf(tty_out, "\n"); | |
340 | if (ps >= 2 && !echo && !echo_console(ui)) | |
341 | ok = 0; | |
342 | ||
343 | if (ps >= 1) | |
344 | popsig(); | |
a63d5eaa | 345 | #else |
0f113f3e | 346 | ok = 1; |
a63d5eaa RL |
347 | #endif |
348 | ||
0f113f3e MC |
349 | OPENSSL_cleanse(result, BUFSIZ); |
350 | return ok; | |
351 | } | |
a63d5eaa RL |
352 | |
353 | /* Internal functions to open, handle and close a channel to the console. */ | |
354 | static int open_console(UI *ui) | |
0f113f3e | 355 | { |
41cfbccc | 356 | CRYPTO_THREAD_write_lock(ui->lock); |
0f113f3e | 357 | is_a_tty = 1; |
a63d5eaa | 358 | |
1fbab1dc | 359 | #if defined(OPENSSL_SYS_VXWORKS) |
0f113f3e MC |
360 | tty_in = stdin; |
361 | tty_out = stderr; | |
a63d5eaa | 362 | #else |
0f113f3e MC |
363 | # ifdef OPENSSL_SYS_MSDOS |
364 | # define DEV_TTY "con" | |
365 | # else | |
366 | # define DEV_TTY "/dev/tty" | |
367 | # endif | |
368 | if ((tty_in = fopen(DEV_TTY, "r")) == NULL) | |
369 | tty_in = stdin; | |
370 | if ((tty_out = fopen(DEV_TTY, "w")) == NULL) | |
371 | tty_out = stderr; | |
a63d5eaa RL |
372 | #endif |
373 | ||
c5597592 | 374 | #if defined(TTY_get) && !defined(OPENSSL_SYS_VMS) |
0f113f3e MC |
375 | if (TTY_get(fileno(tty_in), &tty_orig) == -1) { |
376 | # ifdef ENOTTY | |
377 | if (errno == ENOTTY) | |
378 | is_a_tty = 0; | |
379 | else | |
380 | # endif | |
381 | # ifdef EINVAL | |
382 | /* | |
383 | * Ariel Glenn ariel@columbia.edu reports that solaris can return | |
384 | * EINVAL instead. This should be ok | |
385 | */ | |
386 | if (errno == EINVAL) | |
387 | is_a_tty = 0; | |
388 | else | |
389 | # endif | |
390 | return 0; | |
391 | } | |
a63d5eaa | 392 | #endif |
02790299 | 393 | #ifdef OPENSSL_SYS_VMS |
0f113f3e MC |
394 | status = sys$assign(&terminal, &channel, 0, 0); |
395 | if (status != SS$_NORMAL) | |
396 | return 0; | |
397 | status = | |
398 | sys$qiow(0, channel, IO$_SENSEMODE, &iosb, 0, 0, tty_orig, 12, 0, 0, | |
399 | 0, 0); | |
400 | if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL)) | |
401 | return 0; | |
402 | #endif | |
403 | return 1; | |
404 | } | |
a63d5eaa RL |
405 | |
406 | static int noecho_console(UI *ui) | |
0f113f3e | 407 | { |
a63d5eaa | 408 | #ifdef TTY_FLAGS |
0f113f3e MC |
409 | memcpy(&(tty_new), &(tty_orig), sizeof(tty_orig)); |
410 | tty_new.TTY_FLAGS &= ~ECHO; | |
a63d5eaa RL |
411 | #endif |
412 | ||
02790299 | 413 | #if defined(TTY_set) && !defined(OPENSSL_SYS_VMS) |
0f113f3e MC |
414 | if (is_a_tty && (TTY_set(fileno(tty_in), &tty_new) == -1)) |
415 | return 0; | |
a63d5eaa | 416 | #endif |
02790299 | 417 | #ifdef OPENSSL_SYS_VMS |
0f113f3e MC |
418 | tty_new[0] = tty_orig[0]; |
419 | tty_new[1] = tty_orig[1] | TT$M_NOECHO; | |
420 | tty_new[2] = tty_orig[2]; | |
421 | status = | |
422 | sys$qiow(0, channel, IO$_SETMODE, &iosb, 0, 0, tty_new, 12, 0, 0, 0, | |
423 | 0); | |
424 | if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL)) | |
425 | return 0; | |
426 | #endif | |
427 | return 1; | |
428 | } | |
a63d5eaa RL |
429 | |
430 | static int echo_console(UI *ui) | |
0f113f3e | 431 | { |
02790299 | 432 | #if defined(TTY_set) && !defined(OPENSSL_SYS_VMS) |
0f113f3e MC |
433 | memcpy(&(tty_new), &(tty_orig), sizeof(tty_orig)); |
434 | tty_new.TTY_FLAGS |= ECHO; | |
a63d5eaa RL |
435 | #endif |
436 | ||
02790299 | 437 | #if defined(TTY_set) && !defined(OPENSSL_SYS_VMS) |
0f113f3e MC |
438 | if (is_a_tty && (TTY_set(fileno(tty_in), &tty_new) == -1)) |
439 | return 0; | |
a63d5eaa | 440 | #endif |
02790299 | 441 | #ifdef OPENSSL_SYS_VMS |
0f113f3e MC |
442 | tty_new[0] = tty_orig[0]; |
443 | tty_new[1] = tty_orig[1] & ~TT$M_NOECHO; | |
444 | tty_new[2] = tty_orig[2]; | |
445 | status = | |
446 | sys$qiow(0, channel, IO$_SETMODE, &iosb, 0, 0, tty_new, 12, 0, 0, 0, | |
447 | 0); | |
448 | if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL)) | |
449 | return 0; | |
450 | #endif | |
451 | return 1; | |
452 | } | |
a63d5eaa RL |
453 | |
454 | static int close_console(UI *ui) | |
0f113f3e MC |
455 | { |
456 | if (tty_in != stdin) | |
457 | fclose(tty_in); | |
458 | if (tty_out != stderr) | |
459 | fclose(tty_out); | |
02790299 | 460 | #ifdef OPENSSL_SYS_VMS |
0f113f3e | 461 | status = sys$dassgn(channel); |
a63d5eaa | 462 | #endif |
41cfbccc | 463 | CRYPTO_THREAD_unlock(ui->lock); |
a63d5eaa | 464 | |
0f113f3e MC |
465 | return 1; |
466 | } | |
a63d5eaa | 467 | |
6d23cf97 | 468 | #if !defined(OPENSSL_SYS_WINCE) |
a63d5eaa RL |
469 | /* Internal functions to handle signals and act on them */ |
470 | static void pushsig(void) | |
0f113f3e MC |
471 | { |
472 | # ifndef OPENSSL_SYS_WIN32 | |
473 | int i; | |
474 | # endif | |
475 | # ifdef SIGACTION | |
476 | struct sigaction sa; | |
a63d5eaa | 477 | |
16f8d4eb | 478 | memset(&sa, 0, sizeof(sa)); |
0f113f3e MC |
479 | sa.sa_handler = recsig; |
480 | # endif | |
a63d5eaa | 481 | |
0f113f3e MC |
482 | # ifdef OPENSSL_SYS_WIN32 |
483 | savsig[SIGABRT] = signal(SIGABRT, recsig); | |
484 | savsig[SIGFPE] = signal(SIGFPE, recsig); | |
485 | savsig[SIGILL] = signal(SIGILL, recsig); | |
486 | savsig[SIGINT] = signal(SIGINT, recsig); | |
487 | savsig[SIGSEGV] = signal(SIGSEGV, recsig); | |
488 | savsig[SIGTERM] = signal(SIGTERM, recsig); | |
489 | # else | |
490 | for (i = 1; i < NX509_SIG; i++) { | |
491 | # ifdef SIGUSR1 | |
492 | if (i == SIGUSR1) | |
493 | continue; | |
494 | # endif | |
495 | # ifdef SIGUSR2 | |
496 | if (i == SIGUSR2) | |
497 | continue; | |
498 | # endif | |
499 | # ifdef SIGKILL | |
500 | if (i == SIGKILL) /* We can't make any action on that. */ | |
501 | continue; | |
502 | # endif | |
503 | # ifdef SIGACTION | |
504 | sigaction(i, &sa, &savsig[i]); | |
505 | # else | |
506 | savsig[i] = signal(i, recsig); | |
507 | # endif | |
508 | } | |
509 | # endif | |
a63d5eaa | 510 | |
0f113f3e MC |
511 | # ifdef SIGWINCH |
512 | signal(SIGWINCH, SIG_DFL); | |
513 | # endif | |
514 | } | |
a63d5eaa RL |
515 | |
516 | static void popsig(void) | |
0f113f3e MC |
517 | { |
518 | # ifdef OPENSSL_SYS_WIN32 | |
519 | signal(SIGABRT, savsig[SIGABRT]); | |
520 | signal(SIGFPE, savsig[SIGFPE]); | |
521 | signal(SIGILL, savsig[SIGILL]); | |
522 | signal(SIGINT, savsig[SIGINT]); | |
523 | signal(SIGSEGV, savsig[SIGSEGV]); | |
524 | signal(SIGTERM, savsig[SIGTERM]); | |
525 | # else | |
526 | int i; | |
527 | for (i = 1; i < NX509_SIG; i++) { | |
528 | # ifdef SIGUSR1 | |
529 | if (i == SIGUSR1) | |
530 | continue; | |
531 | # endif | |
532 | # ifdef SIGUSR2 | |
533 | if (i == SIGUSR2) | |
534 | continue; | |
535 | # endif | |
536 | # ifdef SIGACTION | |
537 | sigaction(i, &savsig[i], NULL); | |
538 | # else | |
539 | signal(i, savsig[i]); | |
540 | # endif | |
541 | } | |
542 | # endif | |
543 | } | |
a63d5eaa RL |
544 | |
545 | static void recsig(int i) | |
0f113f3e MC |
546 | { |
547 | intr_signal = i; | |
548 | } | |
0bf23d9b | 549 | #endif |
a63d5eaa | 550 | |
a63d5eaa | 551 | /* Internal functions specific for Windows */ |
6d23cf97 | 552 | #if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WINCE) |
a63d5eaa | 553 | static int noecho_fgets(char *buf, int size, FILE *tty) |
0f113f3e MC |
554 | { |
555 | int i; | |
556 | char *p; | |
557 | ||
558 | p = buf; | |
559 | for (;;) { | |
560 | if (size == 0) { | |
561 | *p = '\0'; | |
562 | break; | |
563 | } | |
564 | size--; | |
565 | # if defined(_WIN32) | |
566 | i = _getch(); | |
567 | # else | |
568 | i = getch(); | |
569 | # endif | |
570 | if (i == '\r') | |
571 | i = '\n'; | |
572 | *(p++) = i; | |
573 | if (i == '\n') { | |
574 | *p = '\0'; | |
575 | break; | |
576 | } | |
577 | } | |
578 | # ifdef WIN_CONSOLE_BUG | |
579 | /* | |
580 | * Win95 has several evil console bugs: one of these is that the last | |
581 | * character read using getch() is passed to the next read: this is | |
582 | * usually a CR so this can be trouble. No STDIO fix seems to work but | |
583 | * flushing the console appears to do the trick. | |
584 | */ | |
585 | { | |
586 | HANDLE inh; | |
587 | inh = GetStdHandle(STD_INPUT_HANDLE); | |
588 | FlushConsoleInputBuffer(inh); | |
589 | } | |
590 | # endif | |
591 | return (strlen(buf)); | |
592 | } | |
a63d5eaa | 593 | #endif |