/* 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
*
*/
-/* The lowest level part of this file was previously in crypto/des/read_pwd.c,
+/*-
+ * 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.
*
#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.
+ */
+#if defined(OPENSSL_SYSNAME_VXWORKS)
+#include <sys/types.h>
+#endif
+
+#if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
+#ifndef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE 2
+#endif
+#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
# 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"
-#include <signal.h>
-#include <stdio.h>
-#include <string.h>
-#include <setjmp.h>
-#include <errno.h>
#ifdef OPENSSL_SYS_VMS /* prototypes for sys$whatever */
# include <starlet.h>
#ifdef WIN_CONSOLE_BUG
# include <windows.h>
+#ifndef OPENSSL_SYS_WINCE
# include <wincon.h>
#endif
+#endif
/* There are 5 types of terminal interface supported,
# 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)
+#if !defined(TERMIO) && !defined(TERMIOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MSDOS) && !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_set(tty,data) ioctl(tty,TIOCSETP,data)
#endif
-#if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_MACINTOSH_CLASSIC)
+#if !defined(_LIBC) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_VMS)
# include <sys/ioctl.h>
#endif
};
#endif
-#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(MAC_OS_GUSI_SOURCE)
+#if 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.
#else
static void (*savsig[NX509_SIG])(int );
#endif
-static jmp_buf save;
#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 OPENSSL_SYS_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 */
-static void read_till_nl(FILE *);
+#if !defined(OPENSSL_SYS_WINCE)
+static int read_till_nl(FILE *);
static void recsig(int);
static void pushsig(void);
static void popsig(void);
-#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16)
+#endif
+#if defined(OPENSSL_SYS_MSDOS)
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_WINCE)
/* Internal functions to read a string without echoing */
-static void read_till_nl(FILE *in)
+static int read_till_nl(FILE *in)
{
#define SIZE 4
char buf[SIZE+1];
do {
- fgets(buf,SIZE,in);
+ if (!fgets(buf,SIZE,in))
+ return 0;
} while (strchr(buf,'\n') == NULL);
+ return 1;
}
-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_WINCE)
+ char *p;
-#ifndef OPENSSL_SYS_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)
- {
- char *p;
-
- result[0]='\0';
+ result[0]='\0';
#ifdef OPENSSL_SYS_MSDOS
- if (!echo)
- noecho_fgets(result,maxsize,tty);
- else
+ 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
- fgets(result,maxsize,tty);
- if (feof(tty)) goto error;
- if (ferror(tty)) goto error;
- if ((p=(char *)strchr(result,'\n')) != NULL)
+ 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
+ if (!read_till_nl(tty_in))
+ goto error;
+ 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 OPENSSL_SYS_MSDOS
- if ((tty=fopen("con","w+")) == NULL)
- tty=stdin;
-#elif defined(OPENSSL_SYS_MACINTOSH_CLASSIC)
- tty=stdin;
+#if defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE)
+ tty_in=stdin;
+ tty_out=stderr;
#else
- if ((tty=fopen("/dev/tty","w+")) == NULL)
- tty=stdin;
+# 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(VMS)
- if (TTY_get(fileno(tty),&tty_orig) == -1)
+#if defined(TTY_get) && !defined(OPENSSL_SYS_VMS)
+ if (TTY_get(fileno(tty_in),&tty_orig) == -1)
{
#ifdef ENOTTY
if (errno == ENOTTY)
#endif
#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
- if (is_a_tty && (TTY_set(fileno(tty),&tty_new) == -1))
+ if (is_a_tty && (TTY_set(fileno(tty_in),&tty_new) == -1))
return 0;
#endif
#ifdef OPENSSL_SYS_VMS
#endif
#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
- if (is_a_tty && (TTY_set(fileno(tty),&tty_new) == -1))
+ if (is_a_tty && (TTY_set(fileno(tty_in),&tty_new) == -1))
return 0;
#endif
#ifdef OPENSSL_SYS_VMS
static int close_console(UI *ui)
{
- if (stdin != tty) fclose(tty);
+ if (tty_in != stdin) fclose(tty_in);
+ if (tty_out != stderr) fclose(tty_out);
#ifdef OPENSSL_SYS_VMS
status = sys$dassgn(channel);
#endif
}
+#if !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(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16)
+#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WINCE)
static int noecho_fgets(char *buf, int size, FILE *tty)
{
int i;
break;
}
size--;
-#ifdef WIN16TTY
- i=_inchar();
+#if defined(_WIN32)
+ i=_getch();
#else
i=getch();
#endif