projects / OpenSPARC-T2-SAM / blame
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1 | .TH MKPASSWD 1 "22 August 1994" |
| 2 | .SH NAME | |
| 3 | mkpasswd \- generate new password, optionally apply it to a user | |
| 4 | .SH SYNOPSIS | |
| 5 | .B mkpasswd | |
| 6 | .I | |
| 7 | [ | |
| 8 | .I args | |
| 9 | ] | |
| 10 | [ | |
| 11 | .I user | |
| 12 | ] | |
| 13 | .SH INTRODUCTION | |
| 14 | .B mkpasswd | |
| 15 | generates passwords and can apply them automatically to users. | |
| 16 | mkpasswd is based on the code from Chapter 23 of the O'Reilly book | |
| 17 | "Exploring Expect". | |
| 18 | .SH USAGE | |
| 19 | With no arguments, | |
| 20 | .B mkpasswd | |
| 21 | returns a new password. | |
| 22 | ||
| 23 | mkpasswd | |
| 24 | ||
| 25 | With a user name, | |
| 26 | .B mkpasswd | |
| 27 | assigns a new password to the user. | |
| 28 | ||
| 29 | mkpasswd don | |
| 30 | ||
| 31 | The passwords are randomly generated according to the flags below. | |
| 32 | ||
| 33 | .SH FLAGS | |
| 34 | The | |
| 35 | .B \-l | |
| 36 | flag defines the length of the password. The default is 9. | |
| 37 | The following example creates a 20 character password. | |
| 38 | ||
| 39 | mkpasswd -l 20 | |
| 40 | ||
| 41 | The | |
| 42 | .B \-d | |
| 43 | flag defines the minimum number of digits that must be in the password. | |
| 44 | The default is 2. The following example creates a password with at least | |
| 45 | 3 digits. | |
| 46 | ||
| 47 | mkpasswd -d 3 | |
| 48 | ||
| 49 | The | |
| 50 | .B \-c | |
| 51 | flag defines the minimum number of lowercase alphabetic characters that must be in the password. | |
| 52 | The default is 2. | |
| 53 | ||
| 54 | The | |
| 55 | .B \-C | |
| 56 | flag defines the minimum number of uppercase alphabetic characters that must be in the password. | |
| 57 | The default is 2. | |
| 58 | ||
| 59 | The | |
| 60 | .B \-s | |
| 61 | flag defines the minimum number of special characters that must be in the password. | |
| 62 | The default is 1. | |
| 63 | ||
| 64 | The | |
| 65 | .B \-p | |
| 66 | flag names a program to set the password. | |
| 67 | By default, /etc/yppasswd is used if present, otherwise /bin/passwd is used. | |
| 68 | ||
| 69 | The | |
| 70 | .B \-2 | |
| 71 | flag causes characters to be chosen so that they alternate between | |
| 72 | right and left hands (qwerty-style), making it harder for anyone | |
| 73 | watching passwords being entered. This can also make it easier for | |
| 74 | a password-guessing program. | |
| 75 | ||
| 76 | The | |
| 77 | .B \-v | |
| 78 | flag causes the password-setting interaction to be visible. | |
| 79 | By default, it is suppressed. | |
| 80 | ||
| 81 | .SH EXAMPLE | |
| 82 | The following example creates a 15-character password | |
| 83 | that contains at least 3 digits and 5 uppercase characters. | |
| 84 | ||
| 85 | mkpasswd -l 15 -d 3 -C 5 | |
| 86 | ||
| 87 | .SH SEE ALSO | |
| 88 | .I | |
| 89 | "Exploring Expect: A Tcl-Based Toolkit for Automating Interactive Programs" | |
| 90 | \fRby Don Libes, | |
| 91 | O'Reilly and Associates, January 1995. | |
| 92 | .SH AUTHOR | |
| 93 | Don Libes, National Institute of Standards and Technology | |
| 94 | ||
| 95 | .B mkpasswd | |
| 96 | is in the public domain. | |
| 97 | NIST and I would | |
| 98 | appreciate credit if this program or parts of it are used. | |
| 99 | ||
| 100 |