/* crypto/ui/ui_openssl.c -*- mode:C; c-file-style: "eay" -*- */
-/* Written by Richard Levitte (levitte@stacken.kth.se) for the OpenSSL
- * project 2000.
+/* Written by Richard Levitte (richard@levitte.org) and others
+ * for the OpenSSL project 2001.
*/
/* ====================================================================
- * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved.
+ * 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
*
*/
-#if !defined(MSDOS) && !defined(VMS) && !defined(WIN32)
-#include <openssl/opensslconf.h>
-#ifdef OPENSSL_UNISTD
-# include OPENSSL_UNISTD
-#else
-# include <unistd.h>
-#endif
+/* 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.
+ */
+#define _POSIX_C_SOURCE 1
+#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)
+# if defined(_POSIX_VERSION)
-# define SIGACTION
-# if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY)
-# define TERMIOS
-# endif
+# define SIGACTION
+# if !defined(TERMIOS) && !defined(TERMIO) && !defined(SGTTY)
+# define TERMIOS
+# endif
+# endif
#endif
-#endif
-
-/* #define SIGACTION */ /* Define this if you have sigaction() */
#ifdef WIN16TTY
-#undef WIN16
-#undef _WINDOWS
-#include <graph.h>
+# 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"
-#include <signal.h>
-#include <stdio.h>
-#include <string.h>
-#include <setjmp.h>
-#include <errno.h>
-#ifdef VMS /* prototypes for sys$whatever */
-#include <starlet.h>
-#ifdef __DECC
-#pragma message disable DOLLARID
-#endif
+#ifdef OPENSSL_SYS_VMS /* prototypes for sys$whatever */
+# include <starlet.h>
+# ifdef __DECC
+# pragma message disable DOLLARID
+# endif
#endif
#ifdef WIN_CONSOLE_BUG
-#include <windows.h>
-#include <wincon.h>
+# include <windows.h>
+#ifndef OPENSSL_SYS_WINCE
+# include <wincon.h>
+#endif
#endif
*/
#if defined(__sgi) && !defined(TERMIOS)
-#define TERMIOS
-#undef TERMIO
-#undef SGTTY
+# define TERMIOS
+# undef TERMIO
+# undef SGTTY
#endif
#if defined(linux) && !defined(TERMIO)
-#undef TERMIOS
-#define TERMIO
-#undef SGTTY
+# undef TERMIOS
+# define TERMIO
+# undef SGTTY
#endif
#ifdef _LIBC
-#undef TERMIOS
-#define TERMIO
-#undef SGTTY
+# undef TERMIOS
+# define TERMIO
+# undef SGTTY
#endif
-#if !defined(TERMIO) && !defined(TERMIOS) && !defined(VMS) && !defined(MSDOS) && !defined(MAC_OS_pre_X) && !defined(MAC_OS_GUSI_SOURCE)
-#undef TERMIOS
-#undef TERMIO
-#define SGTTY
+#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)
+# 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)
+# 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)
+# 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(MSDOS) && !defined(VMS) && !defined(MAC_OS_pre_X)
-#include <sys/ioctl.h>
+#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 MSDOS
-#include <conio.h>
-#define fgets(a,b,c) noecho_fgets(a,b,c)
+#ifdef OPENSSL_SYS_MSDOS
+# include <conio.h>
#endif
-#ifdef VMS
-#include <ssdef.h>
-#include <iodef.h>
-#include <ttdef.h>
-#include <descrip.h>
+#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;
};
#endif
-#if defined(MAC_OS_pre_X) || defined(MAC_OS_GUSI_SOURCE)
+#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
+# define TTY_STRUCT int
#endif
#ifndef NX509_SIG
-#define NX509_SIG 32
+# define NX509_SIG 32
#endif
#else
static void (*savsig[NX509_SIG])(int );
#endif
-static jmp_buf save;
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
static struct IOSB iosb;
static $DESCRIPTOR(terminal,"TT");
-static long tty_orig[3], tty_new[3];
+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
-#ifndef MSDOS
+#if !defined(OPENSSL_SYS_MSDOS) || defined(__DJGPP__)
static TTY_STRUCT tty_orig,tty_new;
#endif
#endif
-static FILE *tty;
+static FILE *tty_in, *tty_out;
static int is_a_tty;
/* Declare static functions */
+#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
static void read_till_nl(FILE *);
static void recsig(int);
static void pushsig(void);
static void popsig(void);
-#if defined(MSDOS) && !defined(WIN16)
+#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);
+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);
{
"OpenSSL default user interface",
open_console,
+ write_string,
+ NULL, /* No flusher is needed for command lines */
read_string,
- NULL, /* The reader function writes as well */
close_console,
+ NULL
};
/* The method with all the built-in thingies */
return &ui_openssl;
}
-static int read_string(UI *ui, UI_STRING *uis)
+/* 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 UI_VERIFY_NOECHO:
- fprintf(tty,"Verifying - %s",
- UI_get0_output_string(uis));
- fflush(tty);
- if (read_string_inner(ui, uis, 0) == 0)
- return 0;
- if (strcmp(UI_get0_result_string(uis),
- UI_get0_test_string(uis)) != 0)
- {
- fprintf(tty,"Verify failure\n");
- fflush(tty);
- return 0;
- }
+ case UIT_ERROR:
+ case UIT_INFO:
+ fputs(UI_get0_output_string(uis), tty_out);
+ fflush(tty_out);
+ break;
+ default:
break;
- case UI_VERIFY_ECHO:
- fprintf(tty,"Verifying - %s",
+ }
+ 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);
- if (read_string_inner(ui, uis, 1) == 0)
- return 0;
+ 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,"Verify failure\n");
- fflush(tty);
+ fprintf(tty_out,"Verify failure\n");
+ fflush(tty_out);
return 0;
}
break;
- case UI_STRING_NOECHO:
- fputs(UI_get0_output_string(uis), tty);
- fflush(tty);
- return read_string_inner(ui, uis, 0);
- case UI_STRING_ECHO:
- fputs(UI_get0_output_string(uis), tty);
- fflush(tty);
- return read_string_inner(ui, uis, 1);
default:
- fputs(UI_get0_output_string(uis), tty);
- fflush(tty);
break;
}
return 1;
}
+#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
/* Internal functions to read a string without echoing */
static void read_till_nl(FILE *in)
{
} while (strchr(buf,'\n') == NULL);
}
-static int read_string_inner(UI *ui, UI_STRING *uis, int echo)
+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 = OPENSSL_malloc(BUFSIZ);
+ char result[BUFSIZ];
int maxsize = BUFSIZ-1;
+#if !defined(OPENSSL_SYS_WIN16) && !defined(OPENSSL_SYS_WINCE)
+ char *p;
-#ifndef WIN16
- if (setjmp(save))
- {
- ok=0;
- goto error;
- }
+ intr_signal=0;
ok=0;
ps=0;
pushsig();
ps=1;
- if (!echo) noecho_console(ui);
+ if (!echo && !noecho_console(ui))
+ goto error;
ps=2;
- while (!ok)
+ result[0]='\0';
+#ifdef OPENSSL_SYS_MSDOS
+ if (!echo)
{
- char *p;
-
- result[0]='\0';
- fgets(result,maxsize,tty);
- if (feof(tty)) goto error;
- if (ferror(tty)) goto error;
- if ((p=(char *)strchr(result,'\n')) != NULL)
+ 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 read_till_nl(tty);
- if (UI_set_result(uis, result) >= 0)
- ok=1;
}
+ else
+ read_till_nl(tty_in);
+ if (UI_set_result(ui, uis, result) >= 0)
+ ok=1;
error:
- if (!echo) fprintf(tty,"\n");
- if (ps >= 2 && !echo)
- echo_console(ui);
+ 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
- memset(result,0,BUFSIZ);
ok=1;
#endif
- OPENSSL_free(result);
+ OPENSSL_cleanse(result,BUFSIZ);
return ok;
}
CRYPTO_w_lock(CRYPTO_LOCK_UI);
is_a_tty = 1;
-#ifdef MSDOS
- if ((tty=fopen("con","w+")) == NULL)
- tty=stdin;
-#elif defined(MAC_OS_pre_X)
- tty=stdin;
+#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE)
+ tty_in=stdin;
+ tty_out=stderr;
#else
- if ((tty=fopen("/dev/tty","w+")) == NULL)
- tty=stdin;
-#endif
-
-#if defined(TTY_get) && !defined(VMS)
- if (TTY_get(fileno(tty),&tty_orig) == -1)
+# 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)
return 0;
}
#endif
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
status = sys$assign(&terminal,&channel,0,0);
if (status != SS$_NORMAL)
return 0;
tty_new.TTY_FLAGS &= ~ECHO;
#endif
-#if defined(TTY_set) && !defined(VMS)
- if (is_a_tty && (TTY_set(fileno(tty),&tty_new) == -1))
+#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
+ if (is_a_tty && (TTY_set(fileno(tty_in),&tty_new) == -1))
return 0;
#endif
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
tty_new[0] = tty_orig[0];
tty_new[1] = tty_orig[1] | TT$M_NOECHO;
tty_new[2] = tty_orig[2];
static int echo_console(UI *ui)
{
-#if defined(TTY_set) && !defined(VMS)
+#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(VMS)
- if (is_a_tty && (TTY_set(fileno(tty),&tty_new) == -1))
+#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
+ if (is_a_tty && (TTY_set(fileno(tty_in),&tty_new) == -1))
return 0;
#endif
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
tty_new[0] = tty_orig[0];
tty_new[1] = tty_orig[1] & ~TT$M_NOECHO;
tty_new[2] = tty_orig[2];
static int close_console(UI *ui)
{
- if (stdin != tty) fclose(tty);
-#ifdef VMS
+ if (tty_in != stdin) fclose(tty_in);
+ if (tty_out != stderr) fclose(tty_out);
+#ifdef OPENSSL_SYS_VMS
status = sys$dassgn(channel);
#endif
CRYPTO_w_unlock(CRYPTO_LOCK_UI);
}
+#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;
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
savsig[i]=signal(i,recsig);
#endif
}
+#endif
#ifdef SIGWINCH
signal(SIGWINCH,SIG_DFL);
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
signal(i,savsig[i]);
#endif
}
+#endif
}
static void recsig(int i)
{
- longjmp(save,1);
-#ifdef LINT
- i=i;
-#endif
+ intr_signal=i;
}
-
+#endif
/* Internal functions specific for Windows */
-#if defined(MSDOS) && !defined(WIN16)
+#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;