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ToDo:


2006-11-16

_ ¤¢¡¼

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  • HEY
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(00:23)

_ ¤Ä¡¼¤ï¤±¤Ç

  • ¥¹¥é¥¤¥É¤ò¥À¥ó¥×¤¹¤ëµ¡Ç½¤ò¤Ä¤±¤¿
  • ¥¹¥é¥¤¥Éɽ¼¨¤¹¤ë CGI ¤ò½ñ¤¤¤¿
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(01:54)

_ ¼Ì¿¿¤ò¸«¤Æ

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(02:07)

_ TODO

  • quine

(02:49)

_ ¥¢¥Õ¥£

ȯÁ÷ºÑ¤ß¾¦Éʤιç·×¡ÊAmazon.co.jp¡Ë	14	\31,750	\1,417
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¤³¤ó¤Ê´¶¤¸¤À¤Ã¤¿¤ß¤¿¤¤¤Ç¤¹¡£ ¤Á¤ç¤¦¤É¥¢¥Þ¥¾¥ó¤Î 1500±ß¥Á¥±¥Ã¥È¤â¤é¤¨¤ë´¶¤¸¤ß¤¿¤¤¡£ ¤¦¤Á Binary Hacks ¤¬ 1000±ß¤¯¤é¤¤¡£ ¤Ê¤ó¤«¤É¤Ê¤¿¤«ÃΤé¤ó¤Ç¤¹¤¬¤¢¤ê¤¬¤È¤¦¤´¤¶¤¤¤Þ¤¹¡£

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(03:12)

_ Hello world 2.0 ¥«¥ó¥Õ¥¡¥ì¥ó¥¹

  • PHP ¤Î Hello world ¤ÏÀ¤³¦°ì(û¤¤)
  • HQ9+ ¤È¤«¤ÎÊý¤¬
  • ¤½¤ì¥Á¥å¡¼¥ê¥ó¥°´°Á´¤Á¤ã¤¦¤ä¤ó
  • binfmt_misc ¤Î 0B ¤Ë¾¡¤Æ¤ë¤«¤Ê
  • exe ¤¬³ÈÄ¥»Ò¤Î¼Â¹Ô¥Õ¥¡¥¤¥ë¤¬¼Â¹Ô¤Ç¤­¤Ê¤¯¤Ê¤Ã¤Æ¤·¤Þ¤¤¤Þ¤·¤¿
i@u ~> ls /proc/sys/fs/binfmt_misc
cli  hello  python2.4  register  status
i@u ~> sudo rm /proc/sys/fs/binfmt_misc/hello
rm: cannot remove `/proc/sys/fs/binfmt_misc/hello': Operation not permitted

¸åÌá¤êÉÔǽ¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¡£ ¤³¤ì¤¦¤Ã¤«¤ê ELF ¤Î magic ¤ÎµóÆ°ÊѤ¨¤¿¤é¤ª¤â¤·¤í¤¤¤è¤Í¡£

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i@u ~> sudo sh -c 'echo -1 > /proc/sys/fs/binfmt_misc/hello'
i@u ~> ./hello.exe
zsh: exec format error: ./hello.exe

(03:20)

_ Windows PowerShell

http://www.atmarkit.co.jp/fdotnet/special/powershell02/powershell02_01.html

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http://slashdot.jp/article.pl?sid=06/11/15/2331202

(11:57)

_ 815,761,845°Ì

http://www.globalrichlist.com/

100Ëü¤¯¤é¤¤¤«¤Ê¤È»×¤Ã¤ÆÆþ¤ì¤¿¤é13.59% ¤é¤·¤¤¡£ ¤½¤ó¤Ê¤â¤ó¤Ê¤ó¤À¤í¤¦¤Ê¤¡¡Ä

(12:00)

_ ǯ¼ý1Ëü

¤¯¤é¤¤¤¬ºÇ²¼ÁؤʤΤ«¡Ä

(12:03)

_ nntpÈÄ

http://pc8.2ch.net/nntp/

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(12:31)

_ Exceptional C++ Style

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1 vector

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2 sprintf

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4 std:: ¤Î°ú¿ô¤Î¿ô¤Î¼ÂÁõ°Í¸

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5 ÈÆÍÑÀ­½½Ê¬¤«¡£

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7 ´Ø¿ô¥Æ¥ó¥×¥ì¡¼¥È¤òÆü첽¤¹¤ë¤Ê

ËÜǽŪ¤Ë¤·¤Æ¤Ê¤«¤Ã¤¿¤Æ¤¤¤¦¤«¡¢ std::mem_fun ¤È¤«¤Î¥¤¥Ç¥£¥ª¥à¤¬ À÷¤ß¹þ¤ß¤¹¤®¤Æ¤ë¤Ê¥Ð¥¤¥È¤ÇÀ÷¤ßÉÕ¤¤¤¿¡£ ¤Á¤ã¤ó¤ÈÍýͳ¤¬¸À¸ì²½¤·¤Æ¤¢¤Ã¤¿¤Î¤ÏÎɤ«¤Ã¤¿¤·¡¢ C++ ¤Î¥¢¥ì¤µ¤¬¤è¤¯¤ï¤«¤Ã¤Æ¤è¤¤

8 template friend

¤Þ¤µ¤·¤¯2000ǯ¤¯¤é¤¤¤Î¥Ð¥¤¥È¤Ç¤¤¤í¤¤¤í¤ä¤Ã¤¿¤Ê¤¡¤È²û¤·¤¯¡£ ¤Þ¤¡¤³¤ì¤âC++¤Î¥¢¥ì¤Ê¤È¤³¤í¤¬¸«¤¨¤Þ¤¯¤ê¤ÇÎɤ¤¡£ ·ëÏÀ¤ÏÁ´Éô public ¤È¤¤¤¦¤³¤È¤Ç¤è¤í¤·¤«¤Ã¤¿¤Ç¤·¤ç¤¦¤«¡£

(13:10)

_ jserv

http://blog.linux.org.tw/~jserv/archives/001728.html

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ºÇ¾® hello ¤Ë¤â¸ÀµÚ¤·¤Æ¤ª¤é¤ì¤ë¤ß¤¿¤¤¤À¡£

http://blog.linux.org.tw/~jserv/archives/001762.html

http://d.hatena.ne.jp/kikx/20061111

¤â¤· REFERER ¤ÇÍè¤é¤ì¤¿¤é¤ï¤«¤ë¤è¤¦¤Ë¥ê¥ó¥¯¤Ï¤Ã¤È¤³

(18:11)

_ ¤ª¤ª

SDL-IM ¤È¤«¤Ê¤ó¤«ÁÇŨ¤Ê

http://jserv.sayya.org/

(18:12)

_ ¥à¡¼¥¢¤Îˡ§ 2.0

CPU¾å¤Î¥³¥¢¤Î¿ô¤Ï2ǯ¤ÇÇÜÁý¤¹¤ë

36ǯ¤Û¤É¤Ç 1MCore ¤È¤«¤Ë¤Ê¤ë¤Ï¤º¤Ç¤¹¡£

50ǯ¤â¤¹¤ì¤Ð CPU ±é½¬¤Ç 100MCore CPU ¤È¤«ºî¤Ã¤Æ¤ë¤ó¤Ç¤·¤ç¤¦

(19:21)

_ lingr

»È¤Ã¤Æ¤ß¤¿¤¤¤â¤Î¤À¤±¤É

(21:43)

_ ¥Æ¥¹¥È¤¬¤¢¤Ã¤¿

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(21:55)

_ ¤¿¤·¤«¤Ë

¼«Ê¬Æɤàquine¤Ï¤à¤Ã¤Á¤ã´Êñ¤Ç¤¹¤Í¡Ä

i@u ~/wrk/binhacks> la quine_small
-rwxr-xr-x 1 i 56 2006-11-16 22:41 quine_small*
i@u ~/wrk/binhacks> diff =(./quine_small) quine_small

¤µ¤é¤Ë¥¨¥°¤¤¥Ñ¥¿¡¼¥ó¤¬¤¢¤ì¤Ð¤¤¤¤¤ó¤À¤±¤É

(22:42)

_ e_ident ¤À¤±¤Ç½ª¤ï¤ë¤·

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(22:45)

_ quine ¤Ï

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e_phoff ¤¬ 0x14 => p_vaddr ¤¬ 0x14 => p_offset ¤¬ 0x14 => e_entry ¤¬ 0x14 ¤Ã¤Æ¤¤¤¦À©Ìó¤Ç¡¢ phdr ¤Î½é¤Ãü¤Ç¤¢¤ë¤È¤³¤í¤Î 01 00 ¤Ç¥³¥±¤ëµ¤¤¬¤¹¤ë¡£

¤µ¤Æ¡£ p_vaddr ¤¬ 0x14 => p_offset ¤¬ 0x14 ¤ÏËÜÅö¤ËÀäÂÐɬÍפʾò·ï¤Ê¤Î¤À¤í¤¦¤«¡Ä

(23:59)

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Á´¤Æ¥ê¥ó¥¯¥Õ¥ê¡¼¤Ç¤¹¡£ ¥³¡¼¥ÉÊҤϼ«Í³¤Ë»ÈÍѤ·¤Æ¤¤¤¿¤À¤¤¤Æ¹½¤¤¤Þ¤»¤ó¡£ ¤½¤Î¾¤Î¤â¤Î¤ÏGPL°·¤¤¤Ç¤¢¤ì¤Ð¤¢¤é¤æ¤ë»ÈÍѤ˴ؤ·¤Æʸ¶ç¤Ï¸À¤¤¤Þ¤»¤ó¡£ ¤Ê¤Ë¤«¤¢¤ì¤Ð²¼µ­¥á¡¼¥ë¥¢¥É¥ì¥¹¤Ø¡£

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