1 files changed, 661 insertions, 0 deletions

diff --git a/src/lib/libcrypto/ui/ui_openssl.c b/src/lib/libcrypto/ui/ui_openssl.c
new file mode 100644
index 0000000000..3aa03f74aa
--- /dev/null
+++ b/src/lib/libcrypto/ui/ui_openssl.c
@@ -0,0 +1,661 @@
+/* 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>
+
+#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"
+#include <signal.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.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>
+# include <wincon.h>
+#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)
+# 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_VSWORKS)
+#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)
+# 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
+
+#if defined(OPENSSL_SYS_MACINTOSH_CLASSIC) || defined(MAC_OS_GUSI_SOURCE)
+/*
+ * 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
+#ifndef OPENSSL_SYS_MSDOS
+static TTY_STRUCT tty_orig,tty_new;
+#endif
+#endif
+static FILE *tty_in, *tty_out;
+static int is_a_tty;
+
+/* Declare static functions */
+static void 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)
+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;
+        }
+
+
+/* Internal functions to read a string without echoing */
+static void read_till_nl(FILE *in)
+        {
+#define SIZE 4
+        char buf[SIZE+1];
+
+        do      {
+                fgets(buf,SIZE,in);
+                } while (strchr(buf,'\n') == NULL);
+        }
+
+static sig_atomic_t intr_signal;
+
+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;
+        char *p;
+
+#ifndef OPENSSL_SYS_WIN16
+        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
+                read_till_nl(tty_in);
+        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
+
+        memset(result,0,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_VSWORKS)
+        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(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 != stderr) 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;
+        }
+
+
+/* Internal functions to handle signals and act on them */
+static void pushsig(void)
+        {
+        int i;
+#ifdef SIGACTION
+        struct sigaction sa;
+
+        memset(&sa,0,sizeof sa);
+        sa.sa_handler=recsig;
+#endif
+
+        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
+                }
+
+#ifdef SIGWINCH
+        signal(SIGWINCH,SIG_DFL);
+#endif
+        }
+
+static void popsig(void)
+        {
+        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
+                }
+        }
+
+static void recsig(int i)
+        {
+        intr_signal=i;
+        }
+
+/* Internal functions specific for Windows */
+#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16)
+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();
+#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