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