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PHP 5 连接 mysql 5的认证协议问题

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发表于 2005-1-20 14:49 |只看该作者 |倒序浏览
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<><FONT color=#f70909>来源:LinuxAid</FONT> </P>% {$ F+ I5 P$ z
<>MYSQL 4.1以后, 采用了一种新的用户认证<a href="http://hackbase.com/network/protocol" target="_blank" >协议</A>, 对于老的客户端会出现不支持认证<a href="http://hackbase.com/network/protocol" target="_blank" >协议</A>的错误, 以下是官方网站的解决方法 r    </P>
. t) v+ y0 s8 d% Z<>  1Upgrade all client programs to use a 4.1.1 or newer client library.    </P>
- n" F; c; d" j9 Z6 P0 d3 U<>  更新客户端库,这需要更新PHP的扩展库,对于老的api PHP已经不提供了这样的扩展库了    </P>
! i8 z: q+ s3 b/ H' _. _. ]<>  2When connecting to the server with a pre-4.1 client program, use an account that still has a pre-4.1-style password.    </P>) `3 n& y! f- Q& o( G5 A) c
<>  使用以前建立的账号连接,对于在新的认证<a href="http://hackbase.com/network/protocol" target="_blank" >协议</A>下建立的<a href="http://hackbase.com/skill" target="_blank" >账户</A>就不行了    </P>/ H* k* ~  q& W4 E: A
<>  3Reset the password to pre-4.1 style for each user that needs to use a pre-4.1 client program. This can be done using the SET PASSWORD statement and the OLD<a href="http://www1.hackbase.com/network/server/200501209617.htm#" target="_blank" >_</A>ASSWORD() function: my<a href="http://hackbase.com/hacker" target="_blank" >sql</A>&gt; SET PASSWORD FOR </P>5 O4 j+ f6 Y8 ?# b, J8 {
<>  -&gt; <a href=" target="_blank" >_</A>user'@'some<a href="http://www1.hackbase.com/network/server/200501209617.htm#" target="_blank" >_</A>host'"&gt;'some<a href="http://www1.hackbase.com/network/server/200501209617.htm#" target="_blank" >_</A>user'@'some<a href="http://www1.hackbase.com/network/server/200501209617.htm#" target="_blank" >_</A>host'</A> = OLD<a href="http://www1.hackbase.com/network/server/200501209617.htm#" target="_blank" >_</A>ASSWORD('newpwd');    </P>) d: ~2 C: A: y7 ?( b0 t% t1 x& V
<>  Alternatively, use UPDATE and FLUSH PRIVILEGES: my<a href="http://hackbase.com/hacker" target="_blank" >sql</A>&gt; UPDATE my<a href="http://hackbase.com/hacker" target="_blank" >sql</A>.user SET Password = OLD<a href="http://www1.hackbase.com/network/server/200501209617.htm#" target="_blank" >_</A>ASSWORD('newpwd') -&gt; WHERE Host = 'some<a href="http://www1.hackbase.com/network/server/200501209617.htm#" target="_blank" >_</A>host' AND User = 'some<a href="http://www1.hackbase.com/network/server/200501209617.htm#" target="_blank" >_</A>user'; </P>
1 h$ x  M* t& i& R; e, F<>  my<a href="http://hackbase.com/hacker" target="_blank" >sql</A>&gt; FLUSH PRIVILEGES;    </P>
3 z0 C7 m; {5 c+ G7 x# s& n<>  Substitute the password you want to use for ``newpwd'' in the preceding examples. MySQL cannot tell you what the original password was, so you'll need to pick a new one.   </P>
: L  p" j' Q) w<>  这是一个不错的办法,新建立的账号采用老式的加密<a href="http://hackbase.com/network/protocol" target="_blank" >协议</A>    </P>
/ j! ?, f9 m, k! A- |<>  4Tell the server to use the older password hashing algorithm: </P>% y" @3 P: I4 O/ D/ x/ H" a6 L  y
<>  Start my<a href="http://hackbase.com/hacker" target="_blank" >sql</A>d with the --old-passwords option.   </P>) n" i( {; F& k) ?4 }! }
<>  这样新认证<a href="http://hackbase.com/network/protocol" target="_blank" >协议</A>的优点就没法使用了    </P>5 x: s+ f  Q( |4 c+ F$ x
<>  5Assign an old-format password to each account that has had its password updated to the longer 4.1 format. You can identify these accounts with the following query: my<a href="http://hackbase.com/hacker" target="_blank" >sql</A>&gt; SELECT Host, User, Password FROM my<a href="http://hackbase.com/hacker" target="_blank" >sql</A>.user </P>' a8 K  o0 _0 \3 |
<>  -&gt; WHERE LENGTH(Password) &gt; 16;    </P>0 Y& e; }( {" U6 p. y! w
<>  For each account record displayed by the query, use the Host and User values and assign a password using the OLD<a href="http://www1.hackbase.com/network/server/200501209617.htm#" target="_blank" >_</A>ASSWORD() function and either SET PASSWORD or UPDATE, as described earlier.    </P>! w) x' j& q( m, l( Q* w1 r
<>  恢复已经升级了口令到老样式    </P>
& _8 T2 l% ?! ]6 u# l9 [<>  本文参照了 <a href="http://dev.my<a%20href=/" target="_blank" >sql</A>.com/doc/my<a href="http://hackbase.com/hacker" target="_blank" >sql</A>/en/Old<a href="http://www1.hackbase.com/network/server/200501209617.htm#" target="_blank" >_</A>client.html"&gt;http://dev.my<a href="http://hackbase.com/hacker" target="_blank" >sql</A>.com/doc/my<a href="http://hackbase.com/hacker" target="_blank" >sql</A>/en/Old<a href="http://www1.hackbase.com/network/server/200501209617.htm#" target="_blank" >_</A>client.html</A> </P>( s! r5 M% T5 l( D$ G
<>2 y/ V) a) y: x; ~$ O$ y7 q. }6 x
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