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Module Pam

module Pam: sig .. end
type pam_error =
| Pam_Abort
| Pam_Session_Err
| Pam_Authtok_Err
| Pam_Authtok_Recover_Err
| Pam_Authtok_Lock_Busy
| Pam_Authtok_Disable_Aging
| Pam_Try_Again
| Pam_Acct_Expired
| Pam_New_Authtok_Reqd
| Pam_Perm_Denied
| Pam_Cred_Err
| Pam_Cred_Expired
| Pam_Cred_Unavail
| Pam_Auth_Err
| Pam_Cred_Insufficient
| Pam_Authinfo_Unavail
| Pam_Maxtries
| Pam_User_Unknown
| Pam_Buf_Err
| Pam_System_Err
| Pam_Bad_Item 
exception Pam_Error of pam_error
type pam_handle 
type pam_conv_type =
| Pam_Prompt_Echo_Off
| Pam_Prompt_Echo_On
| Pam_Error_Msg
| Pam_Text_Info 
type pam_conv = pam_conv_type -> string -> string 
type pam_auth_flags =
| Pam_Disallow_Null_Authtok 
type pam_fail_delay = int -> int -> unit 
type pam_credentials =
| Pam_Establish_Cred
| Pam_Delete_Cred
| Pam_Reinitialize_Cred
| Pam_Refresh_Cred 
type pam_token_flags =
| Pam_Change_Expired_Authtok 
type pam_item =
| Pam_Service of string
| Pam_User of string
| Pam_User_Prompt of string
| Pam_Tty of string
| Pam_RUser of string
| Pam_RHost of string
| Pam_AuthTok of string
| Pam_OldAuthTok of string
| Pam_Conv of pam_conv
| Pam_Fail_Delay of pam_fail_delay 
val pam_item_service : pam_item
val pam_item_user : pam_item
val pam_item_user_prompt : pam_item
val pam_item_tty : pam_item
val pam_item_ruser : pam_item
val pam_item_rhost : pam_item
val pam_item_authtok : pam_item
val pam_item_oldauthtok : pam_item
val pam_item_conv : pam_item
val pam_item_fail_delay : pam_item
type pam_functions = {
   pam_end : unit -> bool;
   pam_set_item : pam_item -> unit;
   pam_get_item : pam_item -> pam_item;
   pam_fail_delay : int -> unit;
   pam_authenticate : pam_auth_flags list -> ?silent:bool -> unit;
   pam_setcred : pam_credentials -> ?silent:bool -> unit;
   pam_acct_mgmt : pam_auth_flags list -> ?silent:bool -> unit;
   pam_chauthtok : pam_token_flags list -> ?silent:bool -> unit;
   pam_open_session : ?silent:bool -> unit -> unit;
   pam_close_session : ?silent:bool -> unit -> unit;
   pam_putenv : string -> unit;
   pam_getenv : string -> string option;
   pam_getenvlist : unit -> string list;
} 
val pam_start_ex : string -> ?user:string -> pam_conv -> pam_functions
val pam_start : string -> ?user:string -> pam_conv -> pam_handle
val pam_end : pam_handle -> bool
val pam_set_item : pam_handle -> pam_item -> unit
val pam_get_item : pam_handle -> pam_item -> pam_item
val pam_fail_delay : pam_handle -> int -> unit
val pam_authenticate : pam_handle -> pam_auth_flags list -> ?silent:bool -> unit
val pam_setcred : pam_handle -> pam_credentials -> ?silent:bool -> unit
val pam_acct_mgmt : pam_handle -> pam_auth_flags list -> ?silent:bool -> unit
val pam_chauthtok : pam_handle -> pam_token_flags list -> ?silent:bool -> unit
val pam_open_session : pam_handle -> ?silent:bool -> unit
val pam_close_session : pam_handle -> ?silent:bool -> unit
val pam_putenv : pam_handle -> string -> unit
val pam_getenv : pam_handle -> string -> string option
val pam_getenvlist : pam_handle -> string list