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ԽŸƲ ʺ̵ / 󼼺
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ǻѼ
ʺ̵ > 󼼺 | 2013-05-29 15:36:36
õ 1862
ȸ   88,434

г

HappyCGI

ǻѼ
 

ϰ 丮 ̶ ణ ٸǷ ϰ ϰڽϴ.

б ִ ϰ, ִ , ׸ ִ մϴ.

丮 б 丮 ִ ̰, 丮 ׸ , ̵ϰ ϰ ִ 丮  ִ ǹϰ, 丮 Ž ִ ũ⸦ ϰų 丮 ų "cd" ɾ Ͽ ٸ 丮 ̵ ִ մϴ.
 

2 #


ϴ ɾ chmod Դϴ. ɾ ϴ ,

chmod ϸ Ǵ 丮-- ̷ Ͻø ˴ϴ.

̰, ڿ ̳ 丮 ̸ ԷϽø ˴ϴ.

?
happy.cgi Ͽ Ͽ ڴ ְ, ׷ ƹ ѵ ʰ, ڿԴ б ַ  ؾ ұ?

̷ մϴ.
ex) chmod 706 happy.cgi

н ǥϱ ó ڸ ڵ带 ϴµ, ̰ ϸ մϴ. ó 706 ڸ ڷ ǥõǴµ ⼭


ù ° ( ڸ ) Ÿ,
° ( ڸ ) ׷ Ÿ,
° ( ڸ ) ü Ÿ.

, ڴ ϴ.
б = 4
= 2
= 1
ƹ = 0

شǴ ڸ Էϸ ˴ϴ.
׸, ÿ ʿ ڵ ָ ˴ϴ.

б Ѱ ְ ϸ 4 + 2 6 , б Ѱ ְ ϸ 4 + 1 5 ָ ȴ. ְ Ѵٸ 4 + 2 + 1 7 ָ ˴ϴ.

׷ ǽ ls -l  Ǿ ִ ˾ƺô.
-rwxr-xr-x 1 root root 27978 7 13 00:18 happy.cgi
rwx ־ Ƿ 4 + 2 + 1 = 7
׷ r-x ̹Ƿ бѰ 4 + 1 = 5
ü ѵ r-x ̹Ƿ 4 + 1 = 5 ̴.
׷Ƿ happy.cgi 755 ˴ϴ.

ϳ ˾ƺ?
-rw-r--r-- 1 root root 27978 7 13 00:18 happymall.cgi
Ͽ Ǿ ִ  ɱ?
rw̹Ƿ 4 + 2 = 6
׷ ü r̹Ƿ 4̴.
׷Ƿ happymall.cgi 644 ̴.




 
׸ FTP ̿ ۹̼ ִ ׸Դϴ.

happymall.cgi ڴ ְ, ׷ б ְ, ڿԴ б Ѹ ַ  ؾ ұ?

ѹ غñ ٶϴ.
õũҽ
dukmo Hwang 2015-03-06 01:34:02

մϴ

Խñ IFrameϱ 2013-05-29 15:35:38
Խñ ƯIP 2013-05-29 15:37:33