diff options
Diffstat (limited to 'openssl/crypto/ui/ui_openssl.c')
| -rw-r--r-- | openssl/crypto/ui/ui_openssl.c | 712 |
1 files changed, 712 insertions, 0 deletions
diff --git a/openssl/crypto/ui/ui_openssl.c b/openssl/crypto/ui/ui_openssl.c new file mode 100644 index 00000000..b05cbf34 --- /dev/null +++ b/openssl/crypto/ui/ui_openssl.c @@ -0,0 +1,712 @@ +/* crypto/ui/ui_openssl.c -*- mode:C; c-file-style: "eay" -*- */ +/* Written by Richard Levitte (richard@levitte.org) and others + * for the OpenSSL project 2001. + */ +/* ==================================================================== + * Copyright (c) 2001 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +/* The lowest level part of this file was previously in crypto/des/read_pwd.c, + * Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + + +#include <openssl/e_os2.h> + +/* need for #define _POSIX_C_SOURCE arises whenever you pass -ansi to gcc + * [maybe others?], because it masks interfaces not discussed in standard, + * sigaction and fileno included. -pedantic would be more appropriate for + * the intended purposes, but we can't prevent users from adding -ansi. + */ +#ifndef _POSIX_C_SOURCE +#define _POSIX_C_SOURCE 2 +#endif +#include <signal.h> +#include <stdio.h> +#include <string.h> +#include <errno.h> + +#if !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) +# ifdef OPENSSL_UNISTD +# include OPENSSL_UNISTD +# else +# include <unistd.h> +# endif +/* If unistd.h defines _POSIX_VERSION, we conclude that we + * are on a POSIX system and have sigaction and termios. */ +# if defined(_POSIX_VERSION) + +# define SIGACTION +# if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY) +# define TERMIOS +# endif + +# endif +#endif + +#ifdef WIN16TTY +# undef OPENSSL_SYS_WIN16 +# undef WIN16 +# undef _WINDOWS +# include <graph.h> +#endif + +/* 06-Apr-92 Luke Brennan Support for VMS */ +#include "ui_locl.h" +#include "cryptlib.h" + +#ifdef OPENSSL_SYS_VMS /* prototypes for sys$whatever */ +# include <starlet.h> +# ifdef __DECC +# pragma message disable DOLLARID +# endif +#endif + +#ifdef WIN_CONSOLE_BUG +# include <windows.h> +#ifndef OPENSSL_SYS_WINCE +# include <wincon.h> +#endif +#endif + + +/* There are 5 types of terminal interface supported, + * TERMIO, TERMIOS, VMS, MSDOS and SGTTY + */ + +#if defined(__sgi) && !defined(TERMIOS) +# define TERMIOS +# undef TERMIO +# undef SGTTY +#endif + +#if defined(linux) && !defined(TERMIO) && !defined(__ANDROID__) +# undef TERMIOS +# define TERMIO +# undef SGTTY +#endif + +#ifdef _LIBC +# undef TERMIOS +# define TERMIO +# undef SGTTY +#endif + +#if !defined(TERMIO) && !defined(TERMIOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && !defined(MAC_OS_GUSI_SOURCE) +# undef TERMIOS +# undef TERMIO +# define SGTTY +#endif + +#if defined(OPENSSL_SYS_VXWORKS) +#undef TERMIOS +#undef TERMIO +#undef SGTTY +#endif + +#if defined(OPENSSL_SYS_NETWARE) +#undef TERMIOS +#undef TERMIO +#undef SGTTY +#endif + +#ifdef TERMIOS +# include <termios.h> +# define TTY_STRUCT struct termios +# define TTY_FLAGS c_lflag +# define TTY_get(tty,data) tcgetattr(tty,data) +# define TTY_set(tty,data) tcsetattr(tty,TCSANOW,data) +#endif + +#ifdef TERMIO +# include <termio.h> +# define TTY_STRUCT struct termio +# define TTY_FLAGS c_lflag +# define TTY_get(tty,data) ioctl(tty,TCGETA,data) +# define TTY_set(tty,data) ioctl(tty,TCSETA,data) +#endif + +#ifdef SGTTY +# include <sgtty.h> +# define TTY_STRUCT struct sgttyb +# define TTY_FLAGS sg_flags +# define TTY_get(tty,data) ioctl(tty,TIOCGETP,data) +# define TTY_set(tty,data) ioctl(tty,TIOCSETP,data) +#endif + +#if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MACINTOSH_CLASSIC) && !defined(OPENSSL_SYS_SUNOS) +# include <sys/ioctl.h> +#endif + +#ifdef OPENSSL_SYS_MSDOS +# include <conio.h> +#endif + +#ifdef OPENSSL_SYS_VMS +# include <ssdef.h> +# include <iodef.h> +# include <ttdef.h> +# include <descrip.h> +struct IOSB { + short iosb$w_value; + short iosb$w_count; + long iosb$l_info; + }; +#endif + +#ifdef OPENSSL_SYS_SUNOS + typedef int sig_atomic_t; +#endif + +#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(MAC_OS_GUSI_SOURCE) || defined(OPENSSL_SYS_NETWARE) +/* + * This one needs work. As a matter of fact the code is unoperational + * and this is only a trick to get it compiled. + * <appro@fy.chalmers.se> + */ +# define TTY_STRUCT int +#endif + +#ifndef NX509_SIG +# define NX509_SIG 32 +#endif + + +/* Define globals. They are protected by a lock */ +#ifdef SIGACTION +static struct sigaction savsig[NX509_SIG]; +#else +static void (*savsig[NX509_SIG])(int ); +#endif + +#ifdef OPENSSL_SYS_VMS +static struct IOSB iosb; +static $DESCRIPTOR(terminal,"TT"); +static long tty_orig[3], tty_new[3]; /* XXX Is there any guarantee that this will always suffice for the actual structures? */ +static long status; +static unsigned short channel = 0; +#else +#if !defined(OPENSSL_SYS_MSDOS) || defined(__DJGPP__) +static TTY_STRUCT tty_orig,tty_new; +#endif +#endif +static FILE *tty_in, *tty_out; +static int is_a_tty; + +/* Declare static functions */ +#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE) +static int read_till_nl(FILE *); +static void recsig(int); +static void pushsig(void); +static void popsig(void); +#endif +#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16) +static int noecho_fgets(char *buf, int size, FILE *tty); +#endif +static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl); + +static int read_string(UI *ui, UI_STRING *uis); +static int write_string(UI *ui, UI_STRING *uis); + +static int open_console(UI *ui); +static int echo_console(UI *ui); +static int noecho_console(UI *ui); +static int close_console(UI *ui); + +static UI_METHOD ui_openssl = + { + "OpenSSL default user interface", + open_console, + write_string, + NULL, /* No flusher is needed for command lines */ + read_string, + close_console, + NULL + }; + +/* The method with all the built-in thingies */ +UI_METHOD *UI_OpenSSL(void) + { + return &ui_openssl; + } + +/* The following function makes sure that info and error strings are printed + before any prompt. */ +static int write_string(UI *ui, UI_STRING *uis) + { + switch (UI_get_string_type(uis)) + { + case UIT_ERROR: + case UIT_INFO: + fputs(UI_get0_output_string(uis), tty_out); + fflush(tty_out); + break; + default: + break; + } + return 1; + } + +static int read_string(UI *ui, UI_STRING *uis) + { + int ok = 0; + + switch (UI_get_string_type(uis)) + { + case UIT_BOOLEAN: + fputs(UI_get0_output_string(uis), tty_out); + fputs(UI_get0_action_string(uis), tty_out); + fflush(tty_out); + return read_string_inner(ui, uis, + UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 0); + case UIT_PROMPT: + fputs(UI_get0_output_string(uis), tty_out); + fflush(tty_out); + return read_string_inner(ui, uis, + UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 1); + case UIT_VERIFY: + fprintf(tty_out,"Verifying - %s", + UI_get0_output_string(uis)); + fflush(tty_out); + if ((ok = read_string_inner(ui, uis, + UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 1)) <= 0) + return ok; + if (strcmp(UI_get0_result_string(uis), + UI_get0_test_string(uis)) != 0) + { + fprintf(tty_out,"Verify failure\n"); + fflush(tty_out); + return 0; + } + break; + default: + break; + } + return 1; + } + + +#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE) +/* Internal functions to read a string without echoing */ +static int read_till_nl(FILE *in) + { +#define SIZE 4 + char buf[SIZE+1]; + + do { + if (!fgets(buf,SIZE,in)) + return 0; + } while (strchr(buf,'\n') == NULL); + return 1; + } + +static volatile sig_atomic_t intr_signal; +#endif + +static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl) + { + static int ps; + int ok; + char result[BUFSIZ]; + int maxsize = BUFSIZ-1; +#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE) + char *p; + + intr_signal=0; + ok=0; + ps=0; + + pushsig(); + ps=1; + + if (!echo && !noecho_console(ui)) + goto error; + ps=2; + + result[0]='\0'; +#ifdef OPENSSL_SYS_MSDOS + if (!echo) + { + noecho_fgets(result,maxsize,tty_in); + p=result; /* FIXME: noecho_fgets doesn't return errors */ + } + else + p=fgets(result,maxsize,tty_in); +#else + p=fgets(result,maxsize,tty_in); +#endif + if(!p) + goto error; + if (feof(tty_in)) goto error; + if (ferror(tty_in)) goto error; + if ((p=(char *)strchr(result,'\n')) != NULL) + { + if (strip_nl) + *p='\0'; + } + else + if (!read_till_nl(tty_in)) + goto error; + if (UI_set_result(ui, uis, result) >= 0) + ok=1; + +error: + if (intr_signal == SIGINT) + ok=-1; + if (!echo) fprintf(tty_out,"\n"); + if (ps >= 2 && !echo && !echo_console(ui)) + ok=0; + + if (ps >= 1) + popsig(); +#else + ok=1; +#endif + + OPENSSL_cleanse(result,BUFSIZ); + return ok; + } + + +/* Internal functions to open, handle and close a channel to the console. */ +static int open_console(UI *ui) + { + CRYPTO_w_lock(CRYPTO_LOCK_UI); + is_a_tty = 1; + +#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS) + tty_in=stdin; + tty_out=stderr; +#else +# ifdef OPENSSL_SYS_MSDOS +# define DEV_TTY "con" +# else +# define DEV_TTY "/dev/tty" +# endif + if ((tty_in=fopen(DEV_TTY,"r")) == NULL) + tty_in=stdin; + if ((tty_out=fopen(DEV_TTY,"w")) == NULL) + tty_out=stderr; +#endif + +#if defined(TTY_get) && !defined(OPENSSL_SYS_VMS) + if (TTY_get(fileno(tty_in),&tty_orig) == -1) + { +#ifdef ENOTTY + if (errno == ENOTTY) + is_a_tty=0; + else +#endif +#ifdef EINVAL + /* Ariel Glenn ariel@columbia.edu reports that solaris + * can return EINVAL instead. This should be ok */ + if (errno == EINVAL) + is_a_tty=0; + else +#endif + return 0; + } +#endif +#ifdef OPENSSL_SYS_VMS + status = sys$assign(&terminal,&channel,0,0); + if (status != SS$_NORMAL) + return 0; + status=sys$qiow(0,channel,IO$_SENSEMODE,&iosb,0,0,tty_orig,12,0,0,0,0); + if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL)) + return 0; +#endif + return 1; + } + +static int noecho_console(UI *ui) + { +#ifdef TTY_FLAGS + memcpy(&(tty_new),&(tty_orig),sizeof(tty_orig)); + tty_new.TTY_FLAGS &= ~ECHO; +#endif + +#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 echo_console(UI *ui) + { +#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS) + memcpy(&(tty_new),&(tty_orig),sizeof(tty_orig)); + tty_new.TTY_FLAGS |= ECHO; +#endif + +#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 |