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717 lines
20 KiB
717 lines
20 KiB
/* crypto/ui/ui_openssl.c */ |
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/* |
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* Written by Richard Levitte (richard@levitte.org) and others for the |
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* OpenSSL project 2001. |
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*/ |
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/* ==================================================================== |
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* Copyright (c) 2001 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* openssl-core@openssl.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This product includes cryptographic software written by Eric Young |
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* (eay@cryptsoft.com). This product includes software written by Tim |
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* Hudson (tjh@cryptsoft.com). |
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* |
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*/ |
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|
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/*- |
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* The lowest level part of this file was previously in crypto/des/read_pwd.c, |
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* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
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* All rights reserved. |
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* |
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* This package is an SSL implementation written |
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* by Eric Young (eay@cryptsoft.com). |
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* The implementation was written so as to conform with Netscapes SSL. |
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* |
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* This library is free for commercial and non-commercial use as long as |
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* the following conditions are aheared to. The following conditions |
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* apply to all code found in this distribution, be it the RC4, RSA, |
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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* included with this distribution is covered by the same copyright terms |
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* except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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* |
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* Copyright remains Eric Young's, and as such any Copyright notices in |
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* the code are not to be removed. |
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* If this package is used in a product, Eric Young should be given attribution |
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* as the author of the parts of the library used. |
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* This can be in the form of a textual message at program startup or |
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* in documentation (online or textual) provided with the package. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* "This product includes cryptographic software written by |
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* Eric Young (eay@cryptsoft.com)" |
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* The word 'cryptographic' can be left out if the rouines from the library |
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* being used are not cryptographic related :-). |
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* 4. If you include any Windows specific code (or a derivative thereof) from |
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* the apps directory (application code) you must include an acknowledgement: |
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* The licence and distribution terms for any publically available version or |
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* derivative of this code cannot be changed. i.e. this code cannot simply be |
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* copied and put under another distribution licence |
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* [including the GNU Public Licence.] |
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*/ |
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#include <openssl/e_os2.h> |
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|
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/* |
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* need for #define _POSIX_C_SOURCE arises whenever you pass -ansi to gcc |
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* [maybe others?], because it masks interfaces not discussed in standard, |
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* sigaction and fileno included. -pedantic would be more appropriate for the |
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* intended purposes, but we can't prevent users from adding -ansi. |
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*/ |
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#if defined(OPENSSL_SYSNAME_VXWORKS) |
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# include <sys/types.h> |
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#endif |
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#if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS) |
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# ifndef _POSIX_C_SOURCE |
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# define _POSIX_C_SOURCE 2 |
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# endif |
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#endif |
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#include <signal.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <errno.h> |
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#if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) |
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# ifdef OPENSSL_UNISTD |
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# include OPENSSL_UNISTD |
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# else |
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# include <unistd.h> |
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# endif |
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/* |
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* If unistd.h defines _POSIX_VERSION, we conclude that we are on a POSIX |
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* system and have sigaction and termios. |
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*/ |
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# if defined(_POSIX_VERSION) |
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# define SIGACTION |
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# if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY) |
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# define TERMIOS |
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# endif |
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# endif |
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#endif |
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#ifdef WIN16TTY |
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# undef OPENSSL_SYS_WIN16 |
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# undef WIN16 |
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# undef _WINDOWS |
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# include <graph.h> |
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#endif |
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/* 06-Apr-92 Luke Brennan Support for VMS */ |
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#include "ui_locl.h" |
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#include "cryptlib.h" |
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#ifdef OPENSSL_SYS_VMS /* prototypes for sys$whatever */ |
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# include <starlet.h> |
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# ifdef __DECC |
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# pragma message disable DOLLARID |
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# endif |
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#endif |
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#ifdef WIN_CONSOLE_BUG |
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# include <windows.h> |
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# ifndef OPENSSL_SYS_WINCE |
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# include <wincon.h> |
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# endif |
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#endif |
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/* |
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* There are 5 types of terminal interface supported, TERMIO, TERMIOS, VMS, |
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* MSDOS and SGTTY. |
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* |
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* If someone defines one of the macros TERMIO, TERMIOS or SGTTY, it will |
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* remain respected. Otherwise, we default to TERMIOS except for a few |
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* systems that require something different. |
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* |
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* Note: we do not use SGTTY unless it's defined by the configuration. We |
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* may eventually opt to remove it's use entirely. |
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*/ |
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#if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY) |
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# if defined(_LIBC) |
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# undef TERMIOS |
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# define TERMIO |
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# undef SGTTY |
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/* |
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* We know that VMS, MSDOS, VXWORKS, NETWARE use entirely other mechanisms. |
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* MAC_OS_GUSI_SOURCE should probably go away, but that needs to be confirmed. |
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*/ |
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# elif !defined(OPENSSL_SYS_VMS) \ |
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&& !defined(OPENSSL_SYS_MSDOS) \ |
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&& !defined(OPENSSL_SYS_MACINTOSH_CLASSIC) \ |
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&& !defined(MAC_OS_GUSI_SOURCE) \ |
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&& !defined(OPENSSL_SYS_VXWORKS) \ |
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&& !defined(OPENSSL_SYS_NETWARE) |
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# define TERMIOS |
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# undef TERMIO |
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# undef SGTTY |
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# endif |
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#endif |
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#ifdef TERMIOS |
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# include <termios.h> |
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# define TTY_STRUCT struct termios |
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# define TTY_FLAGS c_lflag |
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# define TTY_get(tty,data) tcgetattr(tty,data) |
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# define TTY_set(tty,data) tcsetattr(tty,TCSANOW,data) |
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#endif |
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#ifdef TERMIO |
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# include <termio.h> |
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# define TTY_STRUCT struct termio |
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# define TTY_FLAGS c_lflag |
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# define TTY_get(tty,data) ioctl(tty,TCGETA,data) |
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# define TTY_set(tty,data) ioctl(tty,TCSETA,data) |
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#endif |
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#ifdef SGTTY |
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# include <sgtty.h> |
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# define TTY_STRUCT struct sgttyb |
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# define TTY_FLAGS sg_flags |
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# define TTY_get(tty,data) ioctl(tty,TIOCGETP,data) |
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# define TTY_set(tty,data) ioctl(tty,TIOCSETP,data) |
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#endif |
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#if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && !defined(OPENSSL_SYS_SUNOS) |
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# include <sys/ioctl.h> |
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#endif |
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#ifdef OPENSSL_SYS_MSDOS |
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# include <conio.h> |
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#endif |
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#ifdef OPENSSL_SYS_VMS |
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# include <ssdef.h> |
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# include <iodef.h> |
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# include <ttdef.h> |
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# include <descrip.h> |
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struct IOSB { |
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short iosb$w_value; |
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short iosb$w_count; |
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long iosb$l_info; |
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}; |
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#endif |
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#ifdef OPENSSL_SYS_SUNOS |
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typedef int sig_atomic_t; |
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#endif |
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#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(MAC_OS_GUSI_SOURCE) || defined(OPENSSL_SYS_NETWARE) |
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/* |
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* This one needs work. As a matter of fact the code is unoperational |
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* and this is only a trick to get it compiled. |
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* <appro@fy.chalmers.se> |
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*/ |
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# define TTY_STRUCT int |
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#endif |
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#ifndef NX509_SIG |
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# define NX509_SIG 32 |
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#endif |
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/* Define globals. They are protected by a lock */ |
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#ifdef SIGACTION |
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static struct sigaction savsig[NX509_SIG]; |
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#else |
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static void (*savsig[NX509_SIG]) (int); |
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#endif |
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#ifdef OPENSSL_SYS_VMS |
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static struct IOSB iosb; |
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static $DESCRIPTOR(terminal, "TT"); |
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static long tty_orig[3], tty_new[3]; /* XXX Is there any guarantee that this |
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* will always suffice for the actual |
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* structures? */ |
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static long status; |
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static unsigned short channel = 0; |
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#else |
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# if !defined(OPENSSL_SYS_MSDOS) || defined(__DJGPP__) |
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static TTY_STRUCT tty_orig, tty_new; |
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# endif |
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#endif |
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static FILE *tty_in, *tty_out; |
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static int is_a_tty; |
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|
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/* Declare static functions */ |
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#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE) |
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static int read_till_nl(FILE *); |
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static void recsig(int); |
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static void pushsig(void); |
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static void popsig(void); |
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#endif |
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#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16) |
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static int noecho_fgets(char *buf, int size, FILE *tty); |
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#endif |
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static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl); |
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static int read_string(UI *ui, UI_STRING *uis); |
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static int write_string(UI *ui, UI_STRING *uis); |
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static int open_console(UI *ui); |
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static int echo_console(UI *ui); |
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static int noecho_console(UI *ui); |
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static int close_console(UI *ui); |
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static UI_METHOD ui_openssl = { |
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"OpenSSL default user interface", |
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open_console, |
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write_string, |
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NULL, /* No flusher is needed for command lines */ |
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read_string, |
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close_console, |
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NULL |
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}; |
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|
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/* The method with all the built-in thingies */ |
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UI_METHOD *UI_OpenSSL(void) |
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{ |
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return &ui_openssl; |
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} |
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|
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/* |
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* The following function makes sure that info and error strings are printed |
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* before any prompt. |
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*/ |
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static int write_string(UI *ui, UI_STRING *uis) |
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{ |
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switch (UI_get_string_type(uis)) { |
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case UIT_ERROR: |
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case UIT_INFO: |
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fputs(UI_get0_output_string(uis), tty_out); |
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fflush(tty_out); |
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break; |
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default: |
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break; |
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} |
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return 1; |
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} |
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static int read_string(UI *ui, UI_STRING *uis) |
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{ |
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int ok = 0; |
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|
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switch (UI_get_string_type(uis)) { |
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case UIT_BOOLEAN: |
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fputs(UI_get0_output_string(uis), tty_out); |
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fputs(UI_get0_action_string(uis), tty_out); |
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fflush(tty_out); |
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return read_string_inner(ui, uis, |
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UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, |
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0); |
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case UIT_PROMPT: |
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fputs(UI_get0_output_string(uis), tty_out); |
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fflush(tty_out); |
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return read_string_inner(ui, uis, |
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UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, |
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1); |
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case UIT_VERIFY: |
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fprintf(tty_out, "Verifying - %s", UI_get0_output_string(uis)); |
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fflush(tty_out); |
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if ((ok = read_string_inner(ui, uis, |
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UI_get_input_flags(uis) & |
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UI_INPUT_FLAG_ECHO, 1)) <= 0) |
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return ok; |
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if (strcmp(UI_get0_result_string(uis), UI_get0_test_string(uis)) != 0) { |
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fprintf(tty_out, "Verify failure\n"); |
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fflush(tty_out); |
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return 0; |
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} |
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break; |
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default: |
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break; |
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} |
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return 1; |
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} |
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#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE) |
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/* Internal functions to read a string without echoing */ |
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static int read_till_nl(FILE *in) |
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{ |
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# define SIZE 4 |
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char buf[SIZE + 1]; |
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|
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do { |
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if (!fgets(buf, SIZE, in)) |
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return 0; |
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} while (strchr(buf, '\n') == NULL); |
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return 1; |
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} |
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|
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static volatile sig_atomic_t intr_signal; |
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#endif |
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static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl) |
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{ |
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static int ps; |
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int ok; |
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char result[BUFSIZ]; |
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int maxsize = BUFSIZ - 1; |
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#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE) |
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char *p; |
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|
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intr_signal = 0; |
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ok = 0; |
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ps = 0; |
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|
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pushsig(); |
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ps = 1; |
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|
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if (!echo && !noecho_console(ui)) |
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goto error; |
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ps = 2; |
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|
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result[0] = '\0'; |
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# ifdef OPENSSL_SYS_MSDOS |
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if (!echo) { |
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noecho_fgets(result, maxsize, tty_in); |
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p = result; /* FIXME: noecho_fgets doesn't return errors */ |
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} else |
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p = fgets(result, maxsize, tty_in); |
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# else |
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p = fgets(result, maxsize, tty_in); |
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# endif |
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if (!p) |
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goto error; |
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if (feof(tty_in)) |
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goto error; |
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if (ferror(tty_in)) |
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goto error; |
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if ((p = (char *)strchr(result, '\n')) != NULL) { |
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if (strip_nl) |
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*p = '\0'; |
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} else if (!read_till_nl(tty_in)) |
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goto error; |
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if (UI_set_result(ui, uis, result) >= 0) |
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ok = 1; |
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|
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error: |
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if (intr_signal == SIGINT) |
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ok = -1; |
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if (!echo) |
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fprintf(tty_out, "\n"); |
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if (ps >= 2 && !echo && !echo_console(ui)) |
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ok = 0; |
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|
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if (ps >= 1) |
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popsig(); |
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#else |
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ok = 1; |
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#endif |
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|
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OPENSSL_cleanse(result, BUFSIZ); |
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return ok; |
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} |
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|
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/* Internal functions to open, handle and close a channel to the console. */ |
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static int open_console(UI *ui) |
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{ |
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CRYPTO_w_lock(CRYPTO_LOCK_UI); |
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is_a_tty = 1; |
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|
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#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS) |
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tty_in = stdin; |
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tty_out = stderr; |
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#else |
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# ifdef OPENSSL_SYS_MSDOS |
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# define DEV_TTY "con" |
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# else |
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# define DEV_TTY "/dev/tty" |
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# endif |
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if ((tty_in = fopen(DEV_TTY, "r")) == NULL) |
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tty_in = stdin; |
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if ((tty_out = fopen(DEV_TTY, "w")) == NULL) |
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tty_out = stderr; |
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#endif |
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|
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#if defined(TTY_get) && !defined(OPENSSL_SYS_VMS) |
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if (TTY_get(fileno(tty_in), &tty_orig) == -1) { |
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# ifdef ENOTTY |
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if (errno == ENOTTY) |
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is_a_tty = 0; |
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else |
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# endif |
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# ifdef EINVAL |
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/* |
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* Ariel Glenn ariel@columbia.edu reports that solaris can return |
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* EINVAL instead. This should be ok |
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*/ |
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if (errno == EINVAL) |
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is_a_tty = 0; |
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else |
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# endif |
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return 0; |
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} |
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#endif |
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#ifdef OPENSSL_SYS_VMS |
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status = sys$assign(&terminal, &channel, 0, 0); |
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if (status != SS$_NORMAL) |
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return 0; |
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status = |
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sys$qiow(0, channel, IO$_SENSEMODE, &iosb, 0, 0, tty_orig, 12, 0, 0, |
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0, 0); |
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if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL)) |
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return 0; |
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#endif |
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return 1; |
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} |
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|
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static int noecho_console(UI *ui) |
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{ |
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#ifdef TTY_FLAGS |
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memcpy(&(tty_new), &(tty_orig), sizeof(tty_orig)); |
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tty_new.TTY_FLAGS &= ~ECHO; |
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#endif |
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|
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#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS) |
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if (is_a_tty && (TTY_set(fileno(tty_in), &tty_new) == -1)) |
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return 0; |
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#endif |
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#ifdef OPENSSL_SYS_VMS |
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tty_new[0] = tty_orig[0]; |
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tty_new[1] = tty_orig[1] | TT$M_NOECHO; |
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tty_new[2] = tty_orig[2]; |
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status = |
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sys$qiow(0, channel, IO$_SETMODE, &iosb, 0, 0, tty_new, 12, 0, 0, 0, |
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0); |
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if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL)) |
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return 0; |
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#endif |
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return 1; |
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} |
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|
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static int echo_console(UI *ui) |
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{ |
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#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS) |
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memcpy(&(tty_new), &(tty_orig), sizeof(tty_orig)); |
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tty_new.TTY_FLAGS |= ECHO; |
|
#endif |
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|
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#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS) |
|
if (is_a_tty && (TTY_set(fileno(tty_in), &tty_new) == -1)) |
|
return 0; |
|
#endif |
|
#ifdef OPENSSL_SYS_VMS |
|
tty_new[0] = tty_orig[0]; |
|
tty_new[1] = tty_orig[1] & ~TT$M_NOECHO; |
|
tty_new[2] = tty_orig[2]; |
|
status = |
|
sys$qiow(0, channel, IO$_SETMODE, &iosb, 0, 0, tty_new, 12, 0, 0, 0, |
|
0); |
|
if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL)) |
|
return 0; |
|
#endif |
|
return 1; |
|
} |
|
|
|
static int close_console(UI *ui) |
|
{ |
|
if (tty_in != stdin) |
|
fclose(tty_in); |
|
if (tty_out != stderr) |
|
fclose(tty_out); |
|
#ifdef OPENSSL_SYS_VMS |
|
status = sys$dassgn(channel); |
|
#endif |
|
CRYPTO_w_unlock(CRYPTO_LOCK_UI); |
|
|
|
return 1; |
|
} |
|
|
|
#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE) |
|
/* Internal functions to handle signals and act on them */ |
|
static void pushsig(void) |
|
{ |
|
# ifndef OPENSSL_SYS_WIN32 |
|
int i; |
|
# endif |
|
# ifdef SIGACTION |
|
struct sigaction sa; |
|
|
|
memset(&sa, 0, sizeof sa); |
|
sa.sa_handler = recsig; |
|
# endif |
|
|
|
# ifdef OPENSSL_SYS_WIN32 |
|
savsig[SIGABRT] = signal(SIGABRT, recsig); |
|
savsig[SIGFPE] = signal(SIGFPE, recsig); |
|
savsig[SIGILL] = signal(SIGILL, recsig); |
|
savsig[SIGINT] = signal(SIGINT, recsig); |
|
savsig[SIGSEGV] = signal(SIGSEGV, recsig); |
|
savsig[SIGTERM] = signal(SIGTERM, recsig); |
|
# else |
|
for (i = 1; i < NX509_SIG; i++) { |
|
# ifdef SIGUSR1 |
|
if (i == SIGUSR1) |
|
continue; |
|
# endif |
|
# ifdef SIGUSR2 |
|
if (i == SIGUSR2) |
|
continue; |
|
# endif |
|
# ifdef SIGKILL |
|
if (i == SIGKILL) /* We can't make any action on that. */ |
|
continue; |
|
# endif |
|
# ifdef SIGACTION |
|
sigaction(i, &sa, &savsig[i]); |
|
# else |
|
savsig[i] = signal(i, recsig); |
|
# endif |
|
} |
|
# endif |
|
|
|
# ifdef SIGWINCH |
|
signal(SIGWINCH, SIG_DFL); |
|
# endif |
|
} |
|
|
|
static void popsig(void) |
|
{ |
|
# ifdef OPENSSL_SYS_WIN32 |
|
signal(SIGABRT, savsig[SIGABRT]); |
|
signal(SIGFPE, savsig[SIGFPE]); |
|
signal(SIGILL, savsig[SIGILL]); |
|
signal(SIGINT, savsig[SIGINT]); |
|
signal(SIGSEGV, savsig[SIGSEGV]); |
|
signal(SIGTERM, savsig[SIGTERM]); |
|
# else |
|
int i; |
|
for (i = 1; i < NX509_SIG; i++) { |
|
# ifdef SIGUSR1 |
|
if (i == SIGUSR1) |
|
continue; |
|
# endif |
|
# ifdef SIGUSR2 |
|
if (i == SIGUSR2) |
|
continue; |
|
# endif |
|
# ifdef SIGACTION |
|
sigaction(i, &savsig[i], NULL); |
|
# else |
|
signal(i, savsig[i]); |
|
# endif |
|
} |
|
# endif |
|
} |
|
|
|
static void recsig(int i) |
|
{ |
|
intr_signal = i; |
|
} |
|
#endif |
|
|
|
/* Internal functions specific for Windows */ |
|
#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE) |
|
static int noecho_fgets(char *buf, int size, FILE *tty) |
|
{ |
|
int i; |
|
char *p; |
|
|
|
p = buf; |
|
for (;;) { |
|
if (size == 0) { |
|
*p = '\0'; |
|
break; |
|
} |
|
size--; |
|
# ifdef WIN16TTY |
|
i = _inchar(); |
|
# elif defined(_WIN32) |
|
i = _getch(); |
|
# else |
|
i = getch(); |
|
# endif |
|
if (i == '\r') |
|
i = '\n'; |
|
*(p++) = i; |
|
if (i == '\n') { |
|
*p = '\0'; |
|
break; |
|
} |
|
} |
|
# ifdef WIN_CONSOLE_BUG |
|
/* |
|
* Win95 has several evil console bugs: one of these is that the last |
|
* character read using getch() is passed to the next read: this is |
|
* usually a CR so this can be trouble. No STDIO fix seems to work but |
|
* flushing the console appears to do the trick. |
|
*/ |
|
{ |
|
HANDLE inh; |
|
inh = GetStdHandle(STD_INPUT_HANDLE); |
|
FlushConsoleInputBuffer(inh); |
|
} |
|
# endif |
|
return (strlen(buf)); |
|
} |
|
#endif
|
|
|