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#
# Author:: Doug MacEachern (<dougm@vmware.com>)
# Copyright:: Copyright (c) 2010 VMware, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'chef/util/windows'
#wrapper around a subset of the NetUser* APIs.
#nothing Chef specific, but not complete enough to be its own gem, so util for now.
class Chef::Util::Windows::NetUser < Chef::Util::Windows
private
LogonUser = Windows::API.new('LogonUser', 'SSSLLP', 'I', 'advapi32')
DOMAIN_GROUP_RID_USERS = 0x00000201
UF_SCRIPT = 0x000001
UF_ACCOUNTDISABLE = 0x000002
UF_PASSWD_CANT_CHANGE = 0x000040
UF_NORMAL_ACCOUNT = 0x000200
UF_DONT_EXPIRE_PASSWD = 0x010000
#[:symbol_name, default_val]
#default_val duals as field type
#array index duals as structure offset
USER_INFO_3 = [
[:name, nil],
[:password, nil],
[:password_age, 0],
[:priv, 0], #"The NetUserAdd and NetUserSetInfo functions ignore this member"
[:home_dir, nil],
[:comment, nil],
[:flags, UF_SCRIPT|UF_DONT_EXPIRE_PASSWD|UF_NORMAL_ACCOUNT],
[:script_path, nil],
[:auth_flags, 0],
[:full_name, nil],
[:user_comment, nil],
[:parms, nil],
[:workstations, nil],
[:last_logon, 0],
[:last_logoff, 0],
[:acct_expires, -1],
[:max_storage, -1],
[:units_per_week, 0],
[:logon_hours, nil],
[:bad_pw_count, 0],
[:num_logons, 0],
[:logon_server, nil],
[:country_code, 0],
[:code_page, 0],
[:user_id, 0],
[:primary_group_id, DOMAIN_GROUP_RID_USERS],
[:profile, nil],
[:home_dir_drive, nil],
[:password_expired, 0]
]
USER_INFO_3_TEMPLATE =
USER_INFO_3.collect { |field| field[1].class == Fixnum ? 'i' : 'L' }.join
SIZEOF_USER_INFO_3 = #sizeof(USER_INFO_3)
USER_INFO_3.inject(0){|sum,item|
sum + (item[1].class == Fixnum ? 4 : PTR_SIZE)
}
def user_info_3(args)
USER_INFO_3.collect { |field|
args.include?(field[0]) ? args[field[0]] : field[1]
}
end
def user_info_3_pack(user)
user.collect { |v|
v.class == Fixnum ? v : str_to_ptr(multi_to_wide(v))
}.pack(USER_INFO_3_TEMPLATE)
end
def user_info_3_unpack(buffer)
user = Hash.new
USER_INFO_3.each_with_index do |field,offset|
user[field[0]] = field[1].class == Fixnum ?
dword_to_i(buffer, offset) : lpwstr_to_s(buffer, offset)
end
user
end
def set_info(args)
user = user_info_3(args)
buffer = user_info_3_pack(user)
rc = NetUserSetInfo.call(nil, @name, 3, buffer, nil)
if rc != NERR_Success
raise ArgumentError, get_last_error(rc)
end
end
public
def initialize(username)
@username = username
@name = multi_to_wide(username)
end
LOGON32_PROVIDER_DEFAULT = 0
LOGON32_LOGON_NETWORK = 3
#XXX for an extra painful alternative, see: http://support.microsoft.com/kb/180548
def validate_credentials(passwd)
token = 0.chr * PTR_SIZE
res = LogonUser.call(@username, nil, passwd,
LOGON32_LOGON_NETWORK, LOGON32_PROVIDER_DEFAULT, token)
if res == 0
return false
end
::Windows::Handle::CloseHandle.call(token.unpack('L')[0])
return true
end
def get_info
ptr = 0.chr * PTR_SIZE
rc = NetUserGetInfo.call(nil, @name, 3, ptr)
if rc != NERR_Success
raise ArgumentError, get_last_error(rc)
end
ptr = ptr.unpack('L')[0]
buffer = 0.chr * SIZEOF_USER_INFO_3
memcpy(buffer, ptr, buffer.size)
NetApiBufferFree(ptr)
user_info_3_unpack(buffer)
end
def add(args)
user = user_info_3(args)
buffer = user_info_3_pack(user)
rc = NetUserAdd.call(nil, 3, buffer, rc)
if rc != NERR_Success
raise ArgumentError, get_last_error(rc)
end
#usri3_primary_group_id:
#"When you call the NetUserAdd function, this member must be DOMAIN_GROUP_RID_USERS"
NetLocalGroupAddMembers(nil, multi_to_wide("Users"), 3, buffer[0,PTR_SIZE], 1)
end
def user_modify(&proc)
user = get_info
user[:last_logon] = user[:units_per_week] = 0 #ignored as per USER_INFO_3 doc
user[:logon_hours] = nil #PBYTE field; \0 == no changes
proc.call(user)
set_info(user)
end
def update(args)
user_modify do |user|
args.each do |key,val|
user[key] = val
end
end
end
def delete
rc = NetUserDel.call(nil, @name)
if rc != NERR_Success
raise ArgumentError, get_last_error(rc)
end
end
def disable_account
user_modify do |user|
user[:flags] |= UF_ACCOUNTDISABLE
end
end
def enable_account
user_modify do |user|
user[:flags] &= ~UF_ACCOUNTDISABLE
end
end
def check_enabled
(get_info()[:flags] & UF_ACCOUNTDISABLE) != 0
end
end
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