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T 网站要做足安全, 特别是对防SQL注入, 因为大多数程序员都会很粗心大意而导致网站被黑。51Testing软件测试网Ph'U!fj9y0o
51Testing软件测试网_U'K_.[KD5WW php脚本:
_2LwT_ @6J8O^09S~]B5u0 基本上php本身就带有类似功能的函数了, 比如mysql_real_escape_string, addslashes等.
Y0sZ?_9S h4Z,~&Q0pcv&J)b)VS]7W0 大多数虚拟主机商比如耐思尼克(都会开启了magic_quotes_gpc这个选项, 那提交数据时, 会自动执行了addslashes这个函数, 这样就可以杜绝大多数的注入了
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pj0plpO0Jrs7{:G}![?0 另外因为mysql是不分数字还是文本,都可以用''来括住, 所以建议在写sql的时候, 参数都用''来括起来
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E1O2v 使用方法如下:51Testing软件测试网J u'e&y,|G5uHI
W0v;z hxsf0 $query = mysql_real_escape_string("SELECT * FROM products WHERE name='$productname'");
XU^m(TKC051Testing软件测试网`TB$y@ asp脚本:
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f h:^Y8J0 FUNCTION CHECKSTR(ISTR)51Testing软件测试网NI6B(i!}Gi#@
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I0 DIM ISTR_FORM,SQL_KILL,SQL_KILL_1,SQL_KILL_2,ISTR_KILL
@$e]D$C051Testing软件测试网)AMt0f7`g5Q1R8M IF ISTR="" THEN EXIT FUNCTION
3r/G)a])z;eY9S7y8PL051Testing软件测试网8^rI3{:}3n*V ISTR=LCase(ISTR)
p8A:YK`1c0B_6H#t0gV#Uh)Y"BcpbH0 ISTR_FORM=ISTR51Testing软件测试网ZHX)[%U*B
51Testing软件测试网]\^0s,MyI]9` SQL_KILL="' and exec insert51Testing软件测试网)U Ubo_q4HBv
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51Testing软件测试网.m)AvF]tn select delete update count * % chr mid master truncate char declare set ; from ="
0_-GA;^&f7D| \051Testing软件测试网*j;@pW,N SQL_KILL_1=SPLIT(SQL_KILL," ")51Testing软件测试网;\HdH0C*B,g0r
51Testing软件测试网[!tb/H@8s FOR EACH SQL_KILL_2 IN SQL_KILL_1
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t-U3}['Y1E+zu fq}051Testing软件测试网3iP#Yf2{ ISTR=REPLACE(ISTR,SQL_KILL_2,"")51Testing软件测试网&TWB6{7de
#xI3mpr_yl0 NEXT51Testing软件测试网-F2{z5WBb2d
51Testing软件测试网*_JL,eg CHECKSTR=ISTR
'y"ZU7?[0i1G`c2Q;GCO6P(U0 ISTR_KILL=REPLACE(ISTR_FORM,ISTR,"")
2\ ieJ#Xb9L01b.k0a-E5L+?t@0 IF ISTR<>ISTR_FORM THEN
x)v^NI$B+vB0b$C3r6i}\0 RESPONSE.WRITE ""
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