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libs/sys: implement luci.sys.user.getpasswd()

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This commit is contained in:
Jo-Philipp Wich 2010-10-11 23:22:25 +00:00
parent f372cbda9a
commit 051186345c
1 changed files with 15 additions and 3 deletions
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18
libs/sys/luasrc/sys.lua
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@ -584,14 +584,26 @@ user = {}
-- { "uid", "gid", "name", "passwd", "dir", "shell", "gecos" }
user.getuser = nixio.getpw
--- Retrieve the current user password hash.
-- @param username String containing the username to retrieve the password for
-- @return String containing the hash or nil if no password is set.
function user.getpasswd(username)
local pwe = nixio.getsp and nixio.getsp(username) or nixio.getpw(username)
local pwh = pwe and (pwe.pwdp or pwe.passwd)
if not pwh or #pwh < 1 or pwh == "!" or pwh == "x" then
return nil
else
return pwh
end
end
--- Test whether given string matches the password of a given system user.
-- @param username String containing the Unix user name
-- @param pass String containing the password to compare
-- @return Boolean indicating wheather the passwords are equal
function user.checkpasswd(username, pass)
local pwe = nixio.getsp and nixio.getsp(username) or nixio.getpw(username)
local pwh = pwe and (pwe.pwdp or pwe.passwd)
if not pwh or #pwh < 1 or pwh ~= "!" and nixio.crypt(pass, pwh) ~= pwh then
local pwh = user.getpasswd(username)
if not pwh or nixio.crypt(pass, pwh) ~= pwh then
return false
else
return true