passwderl : An erlang NIF driver to interface Linux passwd functions

API

#passwderl_pwd{}

Lookup functions return a record defined in passwderl.hrl which contains the following fields:

• name: A list (string) containing the user name
• uid: An integer representing the user id
• gid: An integer representing the user group id
• home: A list (string) containing the user home directory
• shell: A list (string) containing the user shell

getpwuid(pos_integer()) -> #passwderl_pwd{}

Takes as an argument an integer of a user id, and returns a record or throws a bad argument exception.

getpwnam(list()) -> #passwderl_pwd{}

Takes as an argument a username string, and returns a record or throws a bad argument exception.

seteuid(pos_integer()) -> ok | error.

Takes as an argument an integer of a user id, and attempts to set the effective user id to the provided value.

setegid(pos_integer()) -> ok | error.

Takes as an argument an integer of a group id, and attempts to set the effective group id to the provided value.

getuid() -> integer().

Returns the user id for the calling process.

geteuid() -> integer().

Returns the effective user id for the calling process.