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pam_authenticate (3)
  • pam_authenticate (3) ( Solaris man: Библиотечные вызовы )
  • pam_authenticate (3) ( FreeBSD man: Библиотечные вызовы )
  • >> pam_authenticate (3) ( Linux man: Библиотечные вызовы )
  •  

    NAME

    pam_authenticate - account authentication
     
    

    SYNOPSIS

    #include <security/pam_appl.h>
    
    int pam_authenticate(pam_handle_t *pamh, int flags);
     

    DESCRIPTION

    The pam_authenticate function is used to authenticate the user. The user is required to provide an authentication token depending upon the authentication service, usually this is a password, but could also be a finger print.

    The PAM service module may request that the user enter their username vio the the conversation mechanism (see pam_start(3) and pam_conv(3)). The name of the authenticated user will be present in the PAM item PAM_USER. This item may be recovered with a call to pam_get_item(3).

    The pamh argument is an authentication handle obtained by a prior call to pam_start(). The flags argument is the binary or of zero or more of the following values:

    PAM_SILENT
    Do not emit any messages.
    PAM_DISALLOW_NULL_AUTHTOK
    The PAM module service should return PAM_AUTH_ERR if the user does not have a registered authentication token.
     

    RETURN VALUES

    PAM_ABORT
    The application should exit immediately after calling pam_end(3) first.
    PAM_AUTH_ERR
    The user was not authenticated.
    PAM_CRED_INSUFFICIENT
    For some reason the application does not have sufficient credentials to authenticate the user.
    PAM_AUTHINFO_UNVAIL
    The modules were not able to access the authentication information. This might be due to a network or hardware failure etc.
    PAM_MAXTRIES
    One or more of the authentication modules has reached its limit of tries authenticating the user. Do not try again.
    PAM_SUCCESS
    The user was successfully authenticated.
    PAM_USER_UNKNOWN
    User unknown to authentication service.
     

    SEE ALSO

    pam_start(3), pam_setcred(3), pam_chauthtok(3), pam_strerror(3), pam(8)


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUES
    SEE ALSO


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