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<p><FONT class=normalfont><B><font color=blue>自制c语言编制cgi实现搜索功能</font></B></FONT><BR><FONT class=smallfont color=#ff9900>2004-04-23 15:18 pm</FONT><BR><FONT class=normalfont>作者：陈绪先生<br>来自：Linux知识宝库<br>联系方式：无名<br><br>1. 环境<br>
/usr/local/apache/htdocs/ (待检索的文件在该目录下)<br>
/usr/local/apache/temp/ (作为中转的文件夹)<br>
/usr/local/apache/cgi-bin/<br>
2. 将gcc search.c产生的a.out放置在/usr/local/apache/cgi-bin/中，权限设置为nobody可<br>
以执行。<br>
3. chown -R nobody.nobody /usr/local/apache/temp<br>
4. 在/etc/cron.daily中增加一个文件deletetemp 权限为555<br>
rm -f /usr/local/apache/temp/*<br>
5. 在/etc/cron.hourly中增加一个文件myupdate 权限为555<br>
updatedb -U /usr/local/apache/htdocs<br>
6. 删除/etc/cron.daily中的一个文件slocate.cron<br>
<br>
附录(共2条)：<br>
1. index.htm的源码<br>
<html><br>
<head><br>
<title>Untitled Document</title><br>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"><br>
</head><br>
<br>
<body><br>
<p>请输入你的查询字符串</p><br>
<form name="form1" action="http://129.158.217.223/cgi-bin/a.out"><br>
<p> </p><br>
<p> <br>
<input name="keyname" value="" type=text><br>
</p><br>
<p><br>
<input type="submit" value="查询"><br>
</p><br>
</form><br>
<p> </p><br>
</body><br>
</html><br>
<br>
2. search.c的源码<br>
#include <stdio.h><br>
#include <stdlib.h><br>
#include <unistd.h><br>
#include <sys/types.h><br>
#include <fcntl.h><br>
<br>
int main(int argc, char* argv[])<br>
{<br>
int fd;<br>
int status;<br>
time_t i;<br>
char cFileName[64];<br>
char cTempName[64];<br>
char cBuffer[1024];<br>
char *p = cBuffer;<br>
char cContent[10240];<br>
<br>
char *data;<br>
char keyword[1024];<br>
data = getenv("QUERY_STRING");<br>
if(data==NULL)<br>
{<br>
printf("Content-Type:text/html");<br>
printf("not found!");<br>
exit(1); <br>
}<br>
<br>
sscanf(data, "keyname=%s&", keyword);<br>
<br>
p += sprintf(p, "locate '%s' | sed -e 's#^/usr/local/apache/htdocs#http://129.158.217.223#' | sed -e 's#^.*$#<a href=&>&</a><br>#' > ", keyword);<br>
i = time(NULL);<br>
<br>
sprintf(cTempName, "%d.html", i);<br>
sprintf(cFileName, "/usr/local/apache/temp/%d.html", i);<br>
strcat(cBuffer, cFileName);<br>
cBuffer[1024-1]=0;<br>
<br>
system(cBuffer);<br>
fd = open(cFileName, O_RDWR);<br>
status = read(fd, cContent, sizeof(cContent)-1);<br>
close(fd);<br>
<br>
printf("Content-Type:text/html");<br>
printf("<meta http-equiv=refresh content=0;url="http://129.158.217.223/temp/%s">", cTempName);<br>
printf("Waiting.......................");<br>
printf("%s", keyword);<br>
return 0;<br>
}<br>
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