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Diffstat (limited to 'static/netbsd/man1/passwd.1')
| -rw-r--r-- | static/netbsd/man1/passwd.1 | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/static/netbsd/man1/passwd.1 b/static/netbsd/man1/passwd.1 new file mode 100644 index 00000000..3f64f1fd --- /dev/null +++ b/static/netbsd/man1/passwd.1 @@ -0,0 +1,142 @@ +.\" $NetBSD: passwd.1,v 1.28 2006/03/07 01:52:09 hubertf Exp $ +.\" +.\" Copyright (c) 1990, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" 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 above 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. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS 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. +.\" +.\" from: @(#)passwd.1 8.1 (Berkeley) 6/6/93 +.\" +.Dd February 25, 2005 +.Dt PASSWD 1 +.Os +.Sh NAME +.Nm passwd +.Nd modify a user's password +.Sh SYNOPSIS +.Nm +.Op Ar user +.Nm +.Oo Fl d Ar files | Fl l Oc +.Op Ar user +.Nm +.Oo Fl d Ar nis | Fl y Oc +.Op Ar user +.Nm +.Oo Fl d Ar krb5 | Fl k Oc +.Op Ar principal +.Sh DESCRIPTION +.Nm +changes the user's password. +First, the user is +prompted for their current password. +If the current password is correctly typed, a new password is +requested. +The new password must be entered twice to avoid typing errors. +.Pp +The new password should be at least six characters long and not +purely alphabetic. +Its total length must be less than +.Dv _PASSWORD_LEN +(currently 128 characters). +Numbers, upper case letters and meta characters +are encouraged. +.Pp +All options may not be available on all systems. +.Bl -tag -width flag +.It Fl d Ar database +This option specifies the password database that should be updated. The +following databases are supported: +.Bl -tag -width files +.It files +This specifies that the password change should be applied to the local +password file. +When changing only the local password, +.Nm +uses +.Xr pwd_mkdb 8 +to update the password databases. +.It nis +This specifies that the password change should be applied to the NIS +password database. +The +.Xr rpc.yppasswdd 8 +daemon should be running on the master NIS server. +.It krb5 +This specifies that the user's Kerberos 5 password should be changed. +The host must be configured to use Kerberos. +See +.Xr krb5.conf 5 . +.El +.It Fl l +This is the equivalent of +.Fl d Ar files . +.It Fl y +This is the equivalent of +.Fl d Ar nis . +.It Fl k +This is the equivalent of +.Fl d Ar krb5 . +.El +.Pp +If a password database is not specified, +.Nm +will change the password database as determined by the +Pluggable Authentication Module +.Pq PAM +library. +.Pp +The type of cipher used to encrypt the password depends on the configuration +in +.Xr passwd.conf 5 . +It can be different for local and NIS passwords. +.Sh FILES +.Bl -tag -width /etc/master.passwd -compact +.It Pa /etc/master.passwd +The user database +.It Pa /etc/passwd +A Version 7 format password file +.It Pa /etc/passwd.XXXXXX +Temporary copy of the password file +.El +.Sh SEE ALSO +.Xr chpass 1 , +.Xr login 1 , +.Xr pwhash 1 , +.Xr passwd 5 , +.Xr passwd.conf 5 , +.Xr pam 8 , +.Xr pwd_mkdb 8 , +.Xr vipw 8 +.Rs +.%A Robert Morris +.%A Ken Thompson +.%T "UNIX password security" +.Re +.Sh HISTORY +A +.Nm +command appeared in +.At v6 . |