Bandie/pam_panic
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Jordy Dickinson 2018-03-27 22:07:39 -05:00
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man/man8/pam_panic.8
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@ -22,7 +22,7 @@
.SH "NAME" .SH "NAME"
pam_panic \- PAM module for access control using removable media. With panic function pam_panic \- PAM module for access control using removable media (with panic function)
.SH "SYNOPSIS" .SH "SYNOPSIS"
@ -32,79 +32,72 @@ pam_panic \- PAM module for access control using removable media. With panic fun
.SH "DESCRIPTION" .SH "DESCRIPTION"
.PP .PP
The pam_panic PAM module shall protect people who have value data on their computer\&. It provides a panic function\&. The pam_panic PAM module protects sensitive data and provides a panic function for emergency situations\&.
.PP .PP
There are two removable media which work as keys: One is the auth key and one is the panic key\&. There are two removable media which work as keys: the auth key and the panic key\&. The auth key will let you pass to the password prompt whereas the panic key, if provided, will securely erase the LUKS header, rendering the data unreadable\&.
The auth key will let you pass to the password prompt\&.
The panic key will call the panic function which, if configured, executes "\fBcryptsetup luksErase [UUID]\fR"\&. This will destroy the luksHeader safely\&.
It means that your data will not be readable to anyone anymore\&.
.SH "OPTIONS" .SH "OPTIONS"
.PP .PP
\fBallow=\fR\fB\fIUUID(GPT)\fR\fR (required) \fBallow=\fR\fB\fIUUID(GPT)\fR\fR (required)
.RS 4 .RS 4
This device UUID is used for authentication (auth key)\&. The UUID of the device to be used for authentication (the auth key)\&.
.PD 0 .PD 0
.PP .PP
.PD 1 .PD 1
It is required to have a GPT formated device with at least one partition on it\&. The device must have a GPT formated device with at least one partition on it\&.
The UUID of a GPT formated device looks like "12345678-9ABC-DEF0-1234-56789ABCDEF0"\&. The UUID of a GPT-formated device looks like "12345678-9ABC-DEF0-1234-56789ABCDEF0"\&.
.PP .PP
See more in the section \fBHOW TO DETERMINE MY UUIDS\fR\&. See \fBHOW TO DETERMINE MY UUIDS\fR for details\&.
.RE .RE
.PP .PP
\fBreject=\fR\fB\fIUUID(GPT)\fR\fR (required) \fBreject=\fR\fB\fIUUID(GPT)\fR\fR (required)
.RS 4 .RS 4
This device UUID will cause calling \fBreboot\fR, \fBpoweroff\fR and/or the panic function \fBserious\fR if stated before (panic key)\&. The UUID of the device to be used in emergencies. The presence of this device will trigger \fBreboot\fR, \fBpoweroff\fR and/or the panic function, depending on whether \fBreboot\fB, \fBpoweroff\fB, and/or \fBserious\fB are specified.
.PD 0 .PD 0
.PP .PP
.PD 1 .PD 1
It is required to have a GPT formated device with at least one partition on it\&. The device must have a GPT formated device with at least one partition on it\&.
The UUID of a GPT formated device looks like "12345678-9ABC-DEF0-1234-56789ABCDEF0"\&. The UUID of a GPT-formated device looks like "12345678-9ABC-DEF0-1234-56789ABCDEF0"\&.
.PP .PP
See more in the section \fBHOW TO DETERMINE MY UUIDS\fR\&. See \fBHOW TO DETERMINE MY UUIDS\fR for details\&.
.RE .RE
.PP .PP
\fBreboot\fR (recommended) \fBreboot\fR (recommended)
.RS 4 .RS 4
Stating this argument will cause a reboot after the device stated in \fBreject=UUID(GPT)\fR has been inserted\&. Indicates that the system should reboot upon encountering the device specified with \fBreject\fR\&.
You might want that option\&.
.PP .PP
If \fBpoweroff\fR is also stated the argument \fBreboot\fR will be ignored\&. If \fBpoweroff\fR is also specified, \fBreboot\fR will be ignored\&.
.RE .RE
.PP .PP
\fBpoweroff\fR \fBpoweroff\fR
.RS 4 .RS 4
Stating this argument will cause a shutdown after the device stated in \fBreject=UUID(GPT)\fR has been inserted\&. Indicates that the system should shut down upon encountering the device specified with \fBreject\fR\&.
For security reasons you should abstrain from this option\&. This option is discouraged for security reasons\&.
.RE .RE
.PP .PP
\fBserious=\fR\fB\fIUUID\fR\fR \fBserious=\fR\fB\fIUUID\fR\fR
.RS 4 .RS 4
The device UUID of which the luksHeaders will be erased if the device stated in \fBreject=UUID(GPT)\fR has been inserted\&. The UUID of the device containing the LUKS header to erase upon encountering the device specified with \fBreject\fR\&.
.PP .PP
(You should make a luksHeader backup before using this function\&.) NOTE: You should make a backup of the LUKS header before using this function\&.
.RE .RE
.PP .PP
.SH "HOW DO I USE IT" .SH "USAGE"
.PP .PP
To activate the module you have to change some file(s) in \fI/etc/pam.d/\fR\&. To activate the module you have to configure PAM\&. See \fBpam\&.conf(5)\fR for details\&.
There you'll see different services, programs and other config files which use the PAM modules\&.
Speaking of the general authentication configs, if you use Ubuntu "\fIcommon-auth\fR" might be interesting for you\&.
For other distributions you might want to look into the distribution's wiki\&.
.PP .PP
Put the following lines on top of the config file: In general, you will want to add the following to the top of a PAM configuration file:
.PD 0 .PD 0
.RS 4 .RS 4
auth requisite pam_panic.so auth=<UUID> reject=<UUID> reboot serious=<UUID> auth requisite pam_panic\&.so auth=<UUID> reject=<UUID> reboot serious=<UUID>
.PP .PP
account requisite pam_panic.so account requisite pam_panic\&.so
.RE .RE
.PD 1 .PD 1
@ -124,12 +117,12 @@ Access was granted\&.
.PP .PP
PAM_IGNORE PAM_IGNORE
.RS 4 .RS 4
An error has occured\&. This module will been ignored.\&. An error has occured\&. The module will be ignored.\&.
.RE .RE
.PP .PP
PAM_MAXTRIES PAM_MAXTRIES
.RS 4 .RS 4
The removable media has not been detected\&. The removable media was not detected\&.
.RE .RE
@ -137,30 +130,23 @@ The removable media has not been detected\&.
.PP .PP
/lib/*/security/pam_panic\&.so /lib/*/security/pam_panic\&.so
.RS 4 .RS 4
Shared object file which does all the work\&. This kernel module\&.
.RE
.PP
/usr/share/man/*/man8/pam_panic\&.8\&.gz
.RS 4
The man pages\&.
.RE .RE
.SH "BUGS" .SH "BUGS"
.PP .PP
Please report bugs or do merge requests at https://github.com/Bandie/pam_panic Please report bugs and send pull requests to <https://github\&.com/Bandie/pam_panic>\&.
.SH "SEE ALSO" .SH "SEE ALSO"
.PP .PP
\fBcryptsetup\fR(8), \fBcryptsetup\fR(8), \fBpam\fR(8), \fBpam\&.conf\fR(5)
\fBpam.d\fR(5),
\fBpam\fR(8)\&.
.SH "AUTHORS" .SH "AUTHORS"
.PD 0 .PD 0
.PP .PP
This pam_panic PAM module was developed by Bandie <bandie@chaospott\&.de>\&. pam_panic was written by Bandie <bandie@chaospott\&.de>\&.
.PP .PP
This man page has been revised by This man page has been revised by Jordy Dickinson <jordy\&.dickinson@icloud\&.com>