1. 環境 /usr/local/apache/htdocs/ (待檢索的文件在該目錄下) /usr/local/apache/temp/ (作為中轉的文件夾) /usr/local/apache/cgi-bin/ 2. 將gcc search.c產生的a.out放置在/usr/local/apache/cgi-bin/中，權限設置為nobody可 以執行。 3. chown -R nobody.nobody /usr/local/apache/temp 4. 在/etc/cron.daily中增加一個文件deletetemp 權限為555 rm -f /usr/local/apache/temp/* 5. 在/etc/cron.hourly中增加一個文件myupdate 權限為555 updatedb -U /usr/local/apache/htdocs 6. 刪除/etc/cron.daily中的一個文件slocate.cron
附錄(共2條)： 1. index.htm的源碼 <Html> <head> <title>Untitled Document</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> </head> <body> <p>請輸入你的查詢字符串</p> <form name="form1" action="http://129.158.217.223/cgi-bin/a.out"> <p> </p> <p> <input name="keyname" value="" type=text> </p> <p> <input type="submit" value="查詢"> </p> </form> <p> </p> </body> </html> 2. search.c的源碼 #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <sys/types.h> #include <fcntl.h> int main(int argc, char* argv[]) { int fd; int status; time_t i; char cFileName[64]; char cTempName[64]; char cBuffer[1024]; char *p = cBuffer; char cContent[10240]; char *data; char keyWord[1024]; data = getenv("QUERY_STRING"); if(data==NULL) { printf("Content-Type:text/html "); printf("not found!"); exit(1); } sscanf(data, "keyname=%s&", keyword); p += sprintf(p, "locate '%s' sed -e 's#^/usr/local/apache/htdocs#http://129.158.217.223#' sed -e 's#^.*$#<a href=&>&</a> #' > ", keyword); i = time(NULL); sprintf(cTempName, "%d.html", i); sprintf(cFileName, "/usr/local/apache/temp/%d.html", i); strcat(cBuffer, cFileName); cBuffer[1024-1]=0; system(cBuffer); fd = open(cFileName, O_RDWR); status = read(fd, cContent, sizeof(cContent)-1); close(fd); printf("Content-Type:text/html "); printf("<meta http-equiv=refresh content=0;url="http://129.158.217.223/temp/%s"> ", cTempName); printf("Waiting....................... "); printf("%s", keyword); return 0; }
