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Fix missing -p in usage message (noted by Christoph Badura, thanks), 

and update -l usage as well.

While here fix man page synopses and a few other odds and ends.
This commit is contained in:
kre 2018-05-09 14:27:41 +00:00
parent 91960439d5
commit 2d50dc8f17
2 changed files with 30 additions and 16 deletions
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30
sbin/cgdconfig/cgdconfig.8
View File

@ -1,4 +1,4 @@
.\" $NetBSD: cgdconfig.8,v 1.36 2016/09/11 01:09:34 sevan Exp $
.\" $NetBSD: cgdconfig.8,v 1.37 2018/05/09 14:27:41 kre Exp $
.\"
.\" Copyright (c) 2002, The NetBSD Foundation, Inc.
.\" All rights reserved.
@ -27,7 +27,7 @@
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd September 11, 2016
.Dd May 9, 2018
.Dt CGDCONFIG 8
.Os
.Sh NAME
@ -41,11 +41,11 @@
.Op Ar paramsfile
.Nm
.Fl C
.Op Fl nv
.Op Fl npv
.Op Fl f Ar configfile
.Nm
.Fl G
.Op Fl nv
.Op Fl npv
.Op Fl i Ar ivmeth
.Op Fl k Ar kgmeth
.Op Fl o Ar outfile
@ -60,7 +60,8 @@
.Op Ar keylen
.Nm
.Fl l
.Op Fl cgd
.Op Fl v Ns Op Cm v
.Op Ar cgd
.Nm
.Fl s
.Op Fl nv
@ -96,7 +97,7 @@ configuration file
Generate a new paramsfile (to stdout) using the values from
.Ar paramsfile
which will generate the same key.
This may need to prompt for multiple passphrases.
This may need to obtain multiple passphrases.
.It Fl g
Generate a paramsfile (to stdout).
.It Fl i Ar ivmeth
@ -116,6 +117,9 @@ When generating a
.Ar paramsfile ,
store it in
.Ar outfile .
If
.Fl o
is not given, any paramsfile content is written to standard output.
.It Fl p
Read all passphrases from stdin rather than
.Pa /dev/tty .
@ -126,7 +130,7 @@ If this flag is specified then verification errors will cause the device
in question to be unconfigured rather than prompting for the passphrase
again.
.It Fl s
Read the key from stdin.
Read the key (nb: not the passphrase) from stdin.
.It Fl U
Unconfigure all the devices listed in the cgd configuration file.
.It Fl u
@ -421,7 +425,7 @@ And use the entered passphrase to generate the key.
.Pp
Although not required, the partition type
.Ar cgd
should be used in the disklabel for the cgd partition.
should be used in the disklabel or GPT type field for the cgd partition.
.Sh DIAGNOSTICS
.Bl -diag
.It "cgdconfig: could not calibrate pkcs5_pbkdf2"
@ -432,6 +436,8 @@ program's execution.
.El
.Sh SEE ALSO
.Xr cgd 4
.Xr disklabel 8
.Xr gpt 8
.Pp
.Dq PKCS #5 v2.0: Password-Based Cryptography Standard ,
RSA Laboratories, March 25, 1999.
@ -443,6 +449,12 @@ utility appeared in
.Sh BUGS
Since
.Nm
without
.Fl p
uses
.Xr getpass 3
to read in the passphrase, it is limited to 128 characters.
to read in the passphrase,
it is limited to sysconf(_SC_PASS_MAX) (128) characters.
With
.Fl p
the limit is 1023 characters.

16
sbin/cgdconfig/cgdconfig.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: cgdconfig.c,v 1.44 2018/05/09 13:19:33 kre Exp $ */
/* $NetBSD: cgdconfig.c,v 1.45 2018/05/09 14:27:41 kre Exp $ */
/*-
* Copyright (c) 2002, 2003 The NetBSD Foundation, Inc.
@ -33,7 +33,7 @@
#ifndef lint
__COPYRIGHT("@(#) Copyright (c) 2002, 2003\
The NetBSD Foundation, Inc. All rights reserved.");
__RCSID("$NetBSD: cgdconfig.c,v 1.44 2018/05/09 13:19:33 kre Exp $");
__RCSID("$NetBSD: cgdconfig.c,v 1.45 2018/05/09 14:27:41 kre Exp $");
#endif
#include <err.h>
@ -136,17 +136,19 @@ static void
usage(void)
{
(void)fprintf(stderr, "usage: %s [-nv] [-V vmeth] cgd dev [paramsfile]\n",
(void)fprintf(stderr, "usage: %s [-npv] [-V vmeth] cgd dev "
"[paramsfile]\n", getprogname());
(void)fprintf(stderr, " %s -C [-npv] [-f configfile]\n",
getprogname());
(void)fprintf(stderr, " %s -C [-nv] [-f configfile]\n", getprogname());
(void)fprintf(stderr, " %s -G [-nv] [-i ivmeth] [-k kgmeth] "
(void)fprintf(stderr, " %s -G [-npv] [-i ivmeth] [-k kgmeth] "
"[-o outfile] paramsfile\n", getprogname());
(void)fprintf(stderr, " %s -g [-nv] [-i ivmeth] [-k kgmeth] "
"[-o outfile] alg [keylen]\n", getprogname());
(void)fprintf(stderr, " %s -l\n", getprogname());
(void)fprintf(stderr, " %s -l [-v[v]] [cgd]\n", getprogname());
(void)fprintf(stderr, " %s -s [-nv] [-i ivmeth] cgd dev alg "
"[keylen]\n", getprogname());
(void)fprintf(stderr, " %s -U [-nv] [-f configfile]\n", getprogname());
(void)fprintf(stderr, " %s -U [-nv] [-f configfile]\n",
getprogname());
(void)fprintf(stderr, " %s -u [-nv] cgd\n", getprogname());
exit(EXIT_FAILURE);
}