1 files changed, 118 insertions, 0 deletions
diff --git a/usr/src/lib/libc/port/stdio/getpass.c b/usr/src/lib/libc/port/stdio/getpass.c
new file mode 100644
index 0000000000..379fe24238
--- /dev/null
+++ b/usr/src/lib/libc/port/stdio/getpass.c
@@ -0,0 +1,118 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+/*	Copyright (c) 1988 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+
+#pragma weak getpass = _getpass
+#pragma weak getpassphrase = _getpassphrase
+
+#include "synonyms.h"
+#include "file64.h"
+#include "mtlib.h"
+#include <stdio.h>
+#include <sys/types.h>
+#include <signal.h>
+#include <unistd.h>
+#include <stropts.h>
+#include <termio.h>
+#include <thread.h>
+#include <synch.h>
+#include "libc.h"
+#include "stdiom.h"
+#include "tsd.h"
+
+static void catch(int);
+static int intrupt;
+static char *__getpass(const char *, int);
+
+#define	MAXPASSWD	256	/* max significant characters in password */
+#define	SMLPASSWD	8	/* unix standard  characters in password */
+
+
+char *
+getpass(const char *prompt)
+{
+	return ((char *)__getpass(prompt, SMLPASSWD));
+}
+
+char *
+getpassphrase(const char *prompt)
+{
+	return ((char *)__getpass(prompt, MAXPASSWD));
+}
+
+static char *
+__getpass(const char *prompt, int size)
+{
+	struct termio ttyb;
+	unsigned short flags;
+	char *p;
+	int c;
+	FILE	*fi;
+	char *pbuf = tsdalloc(_T_GETPASS, MAXPASSWD + 1, NULL);
+	void	(*sig)(int);
+	rmutex_t *lk;
+
+	if (pbuf == NULL ||
+	    (fi = fopen("/dev/tty", "r")) == NULL)
+		return (NULL);
+	setbuf(fi, NULL);
+	sig = signal(SIGINT, catch);
+	intrupt = 0;
+	(void) ioctl(FILENO(fi), TCGETA, &ttyb);
+	flags = ttyb.c_lflag;
+	ttyb.c_lflag &= ~(ECHO | ECHOE | ECHOK | ECHONL);
+	(void) ioctl(FILENO(fi), TCSETAF, &ttyb);
+	FLOCKFILE(lk, stderr);
+	(void) fputs(prompt, stderr);
+	p = pbuf;
+	while (!intrupt &&
+		(c = GETC(fi)) != '\n' && c != '\r' && c != EOF) {
+		if (p < &pbuf[ size ])
+			*p++ = (char)c;
+	}
+	*p = '\0';
+	ttyb.c_lflag = flags;
+	(void) ioctl(FILENO(fi), TCSETAW, &ttyb);
+	(void) PUTC('\n', stderr);
+	FUNLOCKFILE(lk);
+	(void) signal(SIGINT, sig);
+	(void) fclose(fi);
+	if (intrupt)
+		(void) kill(getpid(), SIGINT);
+	return (pbuf);
+}
+
+/* ARGSUSED */
+static void
+catch(int x)
+{
+	intrupt = 1;
+}