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NAME

unix_chkpwd - helper binary that verifies the password of the current user
 

SYNOPSIS

/sbin/unix_chkpwd [username]

DESCRIPTION

unix_chkpwd is a helper program for the pam_unix module that verifies the password of the current user. It is not intended to be run directly from the command line and logs a security violation if done so.

It is typically installed setuid root or setgid shadow.

OPTIONS

unix_pwdchk optionally takes the following argument:

username

The username of the user whose password you want to check: this must match the current user id.

INPUTS

unix_pwdchk expects the following inputs via stdin:

option

Either nullok or nonull, depending on whether the user can have an empty password.

password

The password to verify.

RETURN CODES

unix_chkpwd has the following return codes:

1

unix_chkpwd was inappropriately called from the command line or the password is incorrect.

0

The password is correct.

HISTORY

SEE ALSO

pam(8)

AUTHOR

Index

NAME

SYNOPSIS

DESCRIPTION

OPTIONS

INPUTS

RETURN CODES

HISTORY

SEE ALSO

AUTHOR

Партнёры:

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