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| USE [master]
GO
/****** Object: StoredProcedure [sys].[sp_change_users_login] Script Date: 08/25/2010 22:52:52 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER procedure [sys].[sp_change_users_login]
@Action varchar(10) -- REPORT / UPDATE_ONE / AUTO_FIX
,@UserNamePattern sysname = Null
,@LoginName sysname = Null
,@Password sysname = Null
AS
-- SETUP RUNTIME OPTIONS / DECLARE VARIABLES --
set nocount on
declare @exec_stmt nvarchar(4000)
declare @ret int,
@FixMode char(5),
@cfixesupdate int, -- count of fixes by update
@cfixesaddlogin int, -- count of fixes by sp_addlogin
@dbname sysname,
@loginsid varbinary(85),
@110name sysname,
@ActionIn varchar(10),
@sanitizedPwd sysname -- We use this to pass on the password parameter down to SetSID
-- SET INITIAL VALUES --
select @dbname = db_name(),
@cfixesupdate = 0,
@cfixesaddlogin = 0,
@ActionIn = @Action,
@Action = UPPER(@Action collate Latin1_General_CI_AS)
-- set the sanitized password to NULL - we do not want to give any information about this parameter in eventdata
set @sanitizedPwd = NULL
-- INVALIDATE USE OF SPECIAL LOGIN/USER NAMES --
if suser_sid(@LoginName) = 0x1 -- 'sa'
begin
raiserror(15287,-1,-1,@LoginName)
return (1)
end
if database_principal_id(@UserNamePattern) in (0,1,2,3,4) --public, dbo, guest, INFORMATION_SCHEMA, sys
begin
raiserror(15287,-1,-1,@UserNamePattern)
return (1)
end
-- HANDLE REPORT --
if @Action = 'REPORT'
begin
-- CHECK PERMISSIONS --
if not is_member('db_owner') = 1
begin
raiserror(15247,-1,-1)
return (1)
end
-- VALIDATE PARAMS --
if @UserNamePattern IS NOT Null or @LoginName IS NOT Null or @Password IS NOT Null
begin
raiserror(15600,-1,-1,'sys.sp_change_users_login')
return (1)
end
-- GENERATE REPORT --
select UserName = name, UserSID = sid from sysusers
where issqluser = 1
and (sid is not null and sid <> 0x0)
and (len(sid) <= 16)
and suser_sname(sid) is null
order by name
return (0)
end
-- ERROR IF IN USER TRANSACTION --
if @@trancount > 0
begin
raiserror(15289,-1,-1)
return (1)
end
-- HANDLE UPDATE_ONE --
if @Action = 'UPDATE_ONE'
begin
-- CHECK PERMISSIONS --
if not is_member('db_owner') = 1
begin
EXEC %%System().AuditEvent(ID = 1196184405, Success = 0, TargetLoginName = @LoginName, TargetUserName = @UserNamePattern, Role = NULL, Object = NULL, Provider = NULL, Server = NULL)
raiserror(15247,-1,-1)
return (1)
end
else
begin
EXEC %%System().AuditEvent(ID = 1196184405, Success = 1, TargetLoginName = @LoginName, TargetUserName = @UserNamePattern, Role = NULL, Object = NULL, Provider = NULL, Server = NULL)
end
-- ERROR IF PARAMS NULL --
-- OR IF A PASSWORD IS SPECIFIED --
if @UserNamePattern IS Null or @LoginName IS Null or @Password IS NOT Null
begin
raiserror(15600,-1,-1,'sys.sp_change_users_login')
return (1)
end
-- VALIDATE PARAMS --
-- Can ONLY remap SQL Users to SQL Logins! Should be no need
-- for re-mapping NT logins, and if you try, you'll mess up
-- the user status bits!
if not exists
(select name
from sysusers
where name = @UserNamePattern -- match user name
and issqluser = 1 -- must be sql user
and sid is not NULL
and len(sid) <= 16) -- must not be a sql-user for the database
begin
raiserror(15291,-1,-1,'User',@UserNamePattern)
return (1)
end
if exists (select * from sys.server_principals where
name = @LoginName -- match login name
and type in ('C', 'K')) -- check if it is a certificate or asymmetric key login
begin
raiserror(15291,-1,-1,'login', @LoginName)
return (1)
end
BEGIN TRANSACTION
-- LOCK USER --
EXEC %%Owner(Name = @UserNamePattern).Lock(Exclusive = 1) -- may fail, back out below
if @@error = 0
select @loginsid = sid from master.dbo.syslogins where
loginname = @LoginName -- match login name
and isntname = 0 -- cannot use nt logins
if @loginsid is null
begin
ROLLBACK TRANSACTION
raiserror(15291,-1,-1,'Login',@LoginName)
return (1)
end
-- CHANGE THE USERS LOGIN (SID) - IF DUP, @@ERROR WILL INDICATE --
EXEC %%UserOrGroup(Name = @UserNamePattern).SetSID(SID = @loginsid,
IsExternal = 0, IsGroup = 0,
Action = @Action, UserNamePattern = @UserNamePattern, LoginName = @LoginName, Password = @sanitizedPwd) -- may fail
-- FINALIZATION: REPORT (ONLY IF NOT SUCCESSFUL) AND EXIT --
if @@error <> 0
begin
ROLLBACK TRANSACTION
raiserror(15063,-1,-1)
return (1)
end
COMMIT TRANSACTION
return (0)
end
-- ERROR IF NOT AUTO_FIX --
if @Action <> 'AUTO_FIX'
begin
raiserror(15286,-1,-1,@ActionIn)
return (1)
end
-- HANDLE AUTO_FIX --
-- CHECK PERMISSIONS --
if not is_srvrolemember('sysadmin') = 1
begin
EXEC %%System().AuditEvent(ID = 1178686293, Success = 0, TargetLoginName = NULL, TargetUserName = @UserNamePattern, Role = NULL, Object = NULL, Provider = NULL, Server = NULL)
raiserror(15247,-1,-1)
return (1)
end
else
begin
EXEC %%System().AuditEvent(ID = 1178686293, Success = 1, TargetLoginName = NULL, TargetUserName = @UserNamePattern, Role = NULL, Object = NULL, Provider = NULL, Server = NULL)
end
-- VALIDATE PARAMS --
if @UserNamePattern IS Null or @LoginName IS NOT Null
begin
raiserror(15600,-1,-1,'sys.sp_change_users_login')
return (1)
end
-- LOOP THRU ORPHANED USERS --
select @exec_stmt = 'declare ms_crs_110_Users cursor global for
select name from sysusers
where name = N' + quotename( @UserNamePattern , '''')+ '
and issqluser = 1
and sid is not NULL
and len(sid) <= 16
and suser_sname(sid) is null'
EXEC (@exec_stmt)
open ms_crs_110_Users
fetch next from ms_crs_110_Users into @110name
while (@@fetch_status = 0)
begin
if exists (select * from sys.server_principals where
name = @110name -- match login name
and type in ('C', 'K')) -- check if it is a certificate or asymmetric key login
begin
raiserror(15291,-1,-1, 'login', @110name)
deallocate ms_crs_110_Users
return (1)
end
-- IS NAME ALREADY IN USE? --
if not exists(select * from master.dbo.syslogins where loginname = @110name)
begin
-- VALIDATE PARAMS --
if @Password IS Null
begin
raiserror(15600,-1,-1,'sys.sp_change_users_login')
deallocate ms_crs_110_Users
return (1)
end
-- ADD LOGIN --
EXEC @ret = sys.sp_addlogin @110name, @Password, @dbname
if @ret <> 0 or suser_sid(@110name) is null
begin
raiserror(15497,16,1,@110name)
deallocate ms_crs_110_Users
return (1)
end
select @FixMode = '1AddL'
raiserror(15293,-1,-1,@110name)
end
else
begin
-- REPORT ERROR & CONTINUE IF DUPLICATE SID IN DB --
select @FixMode = '2UpdU'
raiserror(15292,-1,-1,@110name)
end
select @loginsid = suser_sid(@110name)
if not exists (select * from sysusers where sid = @loginsid)
begin
-- LOCK USER --
BEGIN TRANSACTION
EXEC %%Owner(Name = @110name).Lock(Exclusive = 1)
-- UPDATE SYSUSERS ROW --
if @@error = 0
begin
EXEC %%UserOrGroup(Name = @110name).SetSID(SID = @loginsid,
IsExternal = 0, IsGroup = 0,
Action = @Action, UserNamePattern = @UserNamePattern, LoginName = @LoginName, Password = @sanitizedPwd) -- may fail
if @@error <> 0
begin
ROLLBACK TRANSACTION
deallocate ms_crs_110_Users
raiserror(15063,-1,-1)
return (1)
end
end
COMMIT TRANSACTION
if @FixMode = '1AddL'
select @cfixesaddlogin = @cfixesaddlogin + 1
else
select @cfixesupdate = @cfixesupdate + 1
end
else
raiserror(15331,-1,-1,@110name)
fetch next from ms_crs_110_Users into @110name
end -- loop
close ms_crs_110_Users
deallocate ms_crs_110_Users
-- REPORT AND RETURN SUCCESS --
raiserror(15295,-1,-1,@cfixesupdate)
raiserror(15294,-1,-1,@cfixesaddlogin)
return (0) -- sp_change_users_login |
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