Imported Upstream version 93u+upstream

1 files changed, 79 insertions, 0 deletions

diff --git a/src/lib/libast/uwin/getpass.c b/src/lib/libast/uwin/getpass.c
new file mode 100644
index 0000000..bb65996
--- /dev/null
+++ b/src/lib/libast/uwin/getpass.c
@@ -0,0 +1,79 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
+*                      and is licensed under the                       *
+*                 Eclipse Public License, Version 1.0                  *
+*                    by AT&T Intellectual Property                     *
+*                                                                      *
+*                A copy of the License is available at                 *
+*          http://www.eclipse.org/org/documents/epl-v10.html           *
+*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
+*                                                                      *
+*              Information and Software Systems Research               *
+*                            AT&T Research                             *
+*                           Florham Park NJ                            *
+*                                                                      *
+*                 Glenn Fowler <gsf@research.att.com>                  *
+*                  David Korn <dgk@research.att.com>                   *
+*                   Phong Vo <kpv@research.att.com>                    *
+*                                                                      *
+***********************************************************************/
+#include "FEATURE/uwin"
+
+#if !_UWIN || _lib_getpass
+
+void _STUB_getpass(){}
+
+#else
+
+#pragma prototyped
+
+#define getpass	______getpass
+
+#include	<ast.h>
+#include	<termios.h>
+#include	<signal.h>
+
+#undef	getpass
+
+#if defined(__EXPORT__)
+#define extern		__EXPORT__
+#endif
+
+static int interrupt;
+static void handler(int sig)
+{
+	interrupt++;
+}
+
+extern char*	getpass(const char *prompt)
+{
+	struct termios told,tnew;
+	Sfio_t *iop;
+	static char *cp, passwd[32];
+	void (*savesig)(int);
+	if(!(iop = sfopen((Sfio_t*)0, "/dev/tty", "r")))
+		return(0);
+	if(tcgetattr(sffileno(iop),&told) < 0)
+		return(0);
+	interrupt = 0;
+	tnew = told;
+	tnew.c_lflag &= ~(ECHO|ECHOE|ECHOK|ECHONL);
+	if(tcsetattr(sffileno(iop),TCSANOW,&tnew) < 0)
+		return(0);
+	savesig = signal(SIGINT, handler);
+	sfputr(sfstderr,prompt,-1);
+	if(cp = sfgetr(iop,'\n',1))
+		strncpy(passwd,cp,sizeof(passwd)-1);
+	tcsetattr(sffileno(iop),TCSANOW,&told);
+	sfputc(sfstderr,'\n');
+	sfclose(iop);
+	signal(SIGINT, savesig);
+	if(interrupt)
+		kill(getpid(),SIGINT);
+	return(cp?passwd:0);
+}
+
+
+#endif