Clarify the license and copyright, make preprocessor dirctives a

little bit clearer and use the new OPENSSL_SYS_* macros.

crypto/ui/ui_openssl.c

@@ -56,31 +56,90 @@
  *
  */
 
-#if !defined(MSDOS) && !defined(VMS) && !defined(WIN32)
+/* 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/opensslconf.h>
-#ifdef OPENSSL_UNISTD
-# include OPENSSL_UNISTD
-#else
-# include <unistd.h>
-#endif
+
+#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 */
@@ -92,16 +151,16 @@
 #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>
+# include <wincon.h>
 #endif
 
 
@@ -110,67 +169,66 @@
  */
 
 #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
 
 #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)
+# 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;
@@ -178,17 +236,17 @@ struct IOSB {
 	};
 #endif
 
-#if defined(MAC_OS_pre_X) || defined(MAC_OS_GUSI_SOURCE)
+#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
+# define TTY_STRUCT int
 #endif
 
 #ifndef NX509_SIG
-#define NX509_SIG 32
+# define NX509_SIG 32
 #endif
 
 
@@ -200,14 +258,14 @@ 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 status;
 static unsigned short channel = 0;
 #else
-#ifndef MSDOS
+#ifndef OPENSSL_SYS_MSDOS
 static TTY_STRUCT tty_orig,tty_new;
 #endif
 #endif
@@ -219,7 +277,7 @@ static void read_till_nl(FILE *);
 static void recsig(int);
 static void pushsig(void);
 static void popsig(void);
-#if defined(MSDOS) && !defined(WIN16)
+#if defined(OENSSL_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);
@@ -313,7 +371,7 @@ static int read_string_inner(UI *ui, UI_STRING *uis, int echo)
 	char *result = OPENSSL_malloc(BUFSIZ);
 	int maxsize = BUFSIZ-1;
 
-#ifndef WIN16
+#ifndef OPENSSL_SYS_WIN16
 	if (setjmp(save))
 		{
 		ok=0;
@@ -333,7 +391,12 @@ static int read_string_inner(UI *ui, UI_STRING *uis, int echo)
 		char *p;
 
 		result[0]='\0';
-		fgets(result,maxsize,tty);
+#ifdef OPENSSL_SYS_MSDOS
+		if (!echo)
+			noecho_fgets(result,maxsize,tty);
+		else
+#endif
+			fgets(result,maxsize,tty);
 		if (feof(tty)) goto error;
 		if (ferror(tty)) goto error;
 		if ((p=(char *)strchr(result,'\n')) != NULL)
@@ -366,10 +429,10 @@ static int open_console(UI *ui)
 	CRYPTO_w_lock(CRYPTO_LOCK_UI);
 	is_a_tty = 1;
 
-#ifdef MSDOS
+#ifdef OPENSSL_SYS_MSDOS
 	if ((tty=fopen("con","w+")) == NULL)
 		tty=stdin;
-#elif defined(MAC_OS_pre_X)
+#elif defined(OPENSSL_SYS_MACINTOSH_CLASSIC)
 	tty=stdin;
 #else
 	if ((tty=fopen("/dev/tty","w+")) == NULL)
@@ -394,7 +457,7 @@ static int open_console(UI *ui)
 			return 0;
 		}
 #endif
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 	status = sys$assign(&terminal,&channel,0,0);
 	if (status != SS$_NORMAL)
 		return 0;
@@ -412,11 +475,11 @@ static int noecho_console(UI *ui)
 	tty_new.TTY_FLAGS &= ~ECHO;
 #endif
 
-#if defined(TTY_set) && !defined(VMS)
+#if defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
 	if (is_a_tty && (TTY_set(fileno(tty),&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];
@@ -429,16 +492,16 @@ static int noecho_console(UI *ui)
 
 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 defined(TTY_set) && !defined(OPENSSL_SYS_VMS)
 	if (is_a_tty && (TTY_set(fileno(tty),&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$M_NOECHO;
 	tty_new[2] = tty_orig[2];
@@ -452,7 +515,7 @@ static int echo_console(UI *ui)
 static int close_console(UI *ui)
 	{
 	if (stdin != tty) fclose(tty);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
 	status = sys$dassgn(channel);
 #endif
 	CRYPTO_w_unlock(CRYPTO_LOCK_UI);
@@ -530,7 +593,7 @@ static void recsig(int i)
 
 
 /* Internal functions specific for Windows */
-#if defined(MSDOS) && !defined(WIN16)
+#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16)
 static int noecho_fgets(char *buf, int size, FILE *tty)
 	{
 	int i;