Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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 | */ |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 125 | #ifndef _POSIX_C_SOURCE |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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) && !defined(__ANDROID__) |
| 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> |
| 254 | struct 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 |
| 281 | static struct sigaction savsig[NX509_SIG]; |
| 282 | #else |
| 283 | static void (*savsig[NX509_SIG])(int ); |
| 284 | #endif |
| 285 | |
| 286 | #ifdef OPENSSL_SYS_VMS |
| 287 | static struct IOSB iosb; |
| 288 | static $DESCRIPTOR(terminal,"TT"); |
| 289 | static long tty_orig[3], tty_new[3]; /* XXX Is there any guarantee that this will always suffice for the actual structures? */ |
| 290 | static long status; |
| 291 | static unsigned short channel = 0; |
| 292 | #else |
| 293 | #if !defined(OPENSSL_SYS_MSDOS) || defined(__DJGPP__) |
| 294 | static TTY_STRUCT tty_orig,tty_new; |
| 295 | #endif |
| 296 | #endif |
| 297 | static FILE *tty_in, *tty_out; |
| 298 | static int is_a_tty; |
| 299 | |
| 300 | /* Declare static functions */ |
| 301 | #if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE) |
| 302 | static int read_till_nl(FILE *); |
| 303 | static void recsig(int); |
| 304 | static void pushsig(void); |
| 305 | static void popsig(void); |
| 306 | #endif |
| 307 | #if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16) |
| 308 | static int noecho_fgets(char *buf, int size, FILE *tty); |
| 309 | #endif |
| 310 | static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl); |
| 311 | |
| 312 | static int read_string(UI *ui, UI_STRING *uis); |
| 313 | static int write_string(UI *ui, UI_STRING *uis); |
| 314 | |
| 315 | static int open_console(UI *ui); |
| 316 | static int echo_console(UI *ui); |
| 317 | static int noecho_console(UI *ui); |
| 318 | static int close_console(UI *ui); |
| 319 | |
| 320 | static 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 */ |
| 332 | UI_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. */ |
| 339 | static 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 | |
| 354 | static 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 */ |
| 395 | static int read_till_nl(FILE *in) |
| 396 | { |
| 397 | #define SIZE 4 |
| 398 | char buf[SIZE+1]; |
| 399 | |
| 400 | do { |
| 401 | if (!fgets(buf,SIZE,in)) |
| 402 | return 0; |
| 403 | } while (strchr(buf,'\n') == NULL); |
| 404 | return 1; |
| 405 | } |
| 406 | |
| 407 | static volatile sig_atomic_t intr_signal; |
| 408 | #endif |
| 409 | |
| 410 | static 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 | |
| 457 | error: |
| 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. */ |
| 476 | static 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 | |
| 525 | static 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 | |
| 547 | static 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 | |
| 569 | static 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 */ |
| 584 | static 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 | |
| 631 | static 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 | |
| 661 | static 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) |
| 669 | static 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 |