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authorMartin Natano <natano@cvs.openbsd.org>2016-09-01 09:46:33 +0000
committerMartin Natano <natano@cvs.openbsd.org>2016-09-01 09:46:33 +0000
commitd0ecc04b169b4d8231234ad400d33896dc436613 (patch)
tree559dc480602b3d9723f75d22d8ae200ca4f43e3d /lib/libc/gen/getpass.3
parentcb805ad5354ebb5270d4269af6a451d2e9f6c769 (diff)
Mention explicit_bzero(3); ok jmc
Diffstat (limited to 'lib/libc/gen/getpass.3')
-rw-r--r--lib/libc/gen/getpass.38
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/libc/gen/getpass.3 b/lib/libc/gen/getpass.3
index 6d5f6aa0d92..e4796be3d14 100644
--- a/lib/libc/gen/getpass.3
+++ b/lib/libc/gen/getpass.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: getpass.3,v 1.15 2014/01/21 03:15:45 schwarze Exp $
+.\" $OpenBSD: getpass.3,v 1.16 2016/09/01 09:46:32 natano Exp $
.\"
.\" Copyright (c) 1989, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
@@ -27,7 +27,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.Dd $Mdocdate: January 21 2014 $
+.Dd $Mdocdate: September 1 2016 $
.Dt GETPASS 3
.Os
.Sh NAME
@@ -60,7 +60,9 @@ characters and the terminating newline character are discarded.
.Fn getpass
turns off character echoing while reading the password.
.Pp
-The calling process should zero the password as soon as possible to
+The calling process should zero the password with
+.Xr explicit_bzero 3
+as soon as possible to
avoid leaving the cleartext password visible in the process's address
space.
.Sh RETURN VALUES