[B! hook] akirakiã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

akiraki id:akiraki

hookã«é–¢ã™ã‚‹akirakiã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (2)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

linux ã®ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã‚’ãƒ•ãƒƒã‚¯ã™ã‚‹ : DSASé–‹ç™ºè€…ã®éƒ¨å±‹
æœ€è¿‘ã€ã¨ã‚ã‚‹ã‚¯ãƒãƒ¼ã‚ºãƒ‰ã‚½ãƒ¼ã‚¹ãªãƒ‡ãƒã‚¤ã‚¹ç®¡ç†ãƒ„ãƒ¼ãƒ«ã®æŒ™å‹•ãŒæ°—ã«ãªã‚Šã€ãã®å‹•ä½œã«ã¤ã„ã¦è§£æžã—ã¦ã¿ã‚‹ã“ã¨ã«ã—ã¾ã—ãŸã€‚ ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ãƒ‡ãƒãƒƒã‚°ã—ãŸã‚Šè§£æžã—ãŸã„æ™‚ã€ã©ã‚“ãªã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ãŒå‘¼ã°ã‚Œã€ã©ã®ã‚ˆã†ãªå¼•æ•°ãŒæ¸¡ã•ã‚Œã¦ã„ã‚‹ã‹ã‚’ã€èª¿ã¹ã‚‹ã“ã¨ãŒã§ãã‚‹ strace ã¯éžå¸¸ã«æœ‰ç”¨ã§ã™ã€‚ ã—ã‹ã—ã€strace ã§ã¯ ioctl ã§æ¸¡ã•ã‚Œã‚‹è¤‡é›‘ãªãƒ‡ãƒ¼ã‚¿æ§‹é€ ã‚’è¡¨ç¤ºã™ã‚‹ã“ã¨ã¯ã§ããªã„ãŸã‚ã€ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã‚’ãƒ•ãƒƒã‚¯ã—ã¦å¼•æ•°ã‚’è¡¨ç¤ºã™ã‚‹ã¨ã„ã†æ‰‹æ®µã‚’å–ã‚‹ã“ã¨ã«ã—ã¾ã—ãŸã€‚ ãã‚“ãªè¨³ã§ linux ã§ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã‚’ãƒ•ãƒƒã‚¯ã™ã‚‹æ–¹æ³•ã«ã¤ã„ã¦èª¿ã¹ã¦è¦‹ãŸã¨ã“ã‚ã€æ„å¤–ã¨ã„ã‚ã„ã‚ãªæ–¹æ³•ãŒæœ‰ã‚‹ã“ã¨ã‚’çŸ¥ã‚Šã¾ã—ãŸã®ã§ã€è©¦ã—ã¦ã¿ãŸæ–¹æ³•ã‚’å¹¾ã¤ã‹ç´¹ä»‹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ æ³¨)ä»Šå›žã®å®Ÿé¨“ã«ä½¿ç”¨ã—ãŸ linux kernel ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¯ 2.6.25.11 ã§ã™ã€‚ç•°ãªã‚‹ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã§ã¯ã“ã®å®Ÿé¨“é€šã‚Šã«ã¯ãªã‚‰ãªã„å ´åˆãŒã‚ã‚Šã¾ã™ã€‚ LD_PRELOAD ã‚’ä½¿ã£
akiraki 2011/08/24
linux

hook

programming
ãƒªãƒ³ã‚¯
ã‚¦ãƒŽã‚¦ãƒ©ãƒœ Unoh Labs: LD_PRELOADã‚’ä½¿ã£ã¦ä»»æ„ã®é–¢æ•°å‘¼ã³å‡ºã—ã«ãƒ•ãƒƒã‚¯ã—ã¦ã¿ã‚‹
å°¾è—¤æ£äºº(a.k.a BTO)ã§ã™ å…ˆæ—¥ã®ç¤¾å†…å‹‰å¼·ä¼šã®LTã§LD_PRELOADã«ã¤ã„ã¦ç°¡å˜ã«ã‚„ã£ã¦ã¿ã¾ã—ãŸã€‚ LD_PRELOADã£ã¦? ç’°å¢ƒå¤‰æ•°$LD_PRELOADã‚’ä½¿ã†ã¨ä»–ã®ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã®èªã¿è¾¼ã¿ã®å‰ã«ä»»æ„ã®ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’å…ˆã«èªã¿è¾¼ã¾ã›ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ å®Ÿè¡Œãƒ—ãƒã‚°ãƒ©ãƒ ã®å½¢å¼ã«ELFå½¢å¼ã‚’æŽ¡ç”¨ã—ã¦ã„ã‚‹OSã§ä½¿ã†ã“ã¨ãŒã§ãã¾ã™ã€‚ Linuxã§ã‚ã‚Œã°å•é¡Œãªãä½¿ç”¨ã§ãã‚‹ã¯ãšã§ã™ã€‚ ä½•ãŒã§ãã‚‹ã®ã‹ ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’å¤‰æ›´ã™ã‚‹ã“ã¨ãªãã€ä»»æ„ã®é–¢æ•°ã‚’ä¸Šæ›¸ãã—ãŸã‚Šã€ä»»æ„ã®é–¢æ•°ã«ãƒ•ãƒƒã‚¯ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ libhookwriteã‚’ä½œã£ã¦ã¿ãŸ ç°¡å˜ãªã‚µãƒ³ãƒ—ãƒ«ãƒ—ãƒã‚°ãƒ©ãƒ ã¨ã—ã¦libhookwriteã¨ã„ã†ã®ã‚’ä½œã£ã¦ã¿ã¾ã—ãŸã€‚ libhookwriteã¯ãã®åã®é€šã‚Šwrite(2)ã«ãƒ•ãƒƒã‚¯ã‚’ã‹ã‘ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ ã¨ã„ã£ã¦ã‚‚ã§ãã‚‹ã“ã¨ã¯é™ã‚‰ã‚Œã¦ã„ã¦ãƒ•ã‚¡ã‚¤ãƒ«ã®ã‚¿ã‚¤ãƒ ã‚¹ã‚¿ãƒ³ãƒ—ã®æ›´æ–°ã‹ã€ä»»æ„ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’sh
akiraki 2011/08/24
ãƒ—ãƒã‚°ãƒ©ãƒ

hook

programming
ãƒªãƒ³ã‚¯
1

ãŠçŸ¥ã‚‰ã›

ã‚‚ã£ã¨èªã‚€

å…¬å¼Twitter

@hatebu
æœ€æ–°ã®äººæ°—ã‚¨ãƒ³ãƒˆãƒªãƒ¼ã®é…ä¿¡

ã‚ãƒ¼ãƒœãƒ¼ãƒ‰ã‚·ãƒ§ãƒ¼ãƒˆã‚«ãƒƒãƒˆä¸€è¦§

jæ¬¡ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

kå‰ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

lã‚ã¨ã§èªã‚€

eã‚³ãƒ¡ãƒ³ãƒˆä¸€è¦§ã‚’é–‹ã

oãƒšãƒ¼ã‚¸ã‚’é–‹ã

è¨å®šã‚’å¤‰æ›´ã—ã¾ã—ãŸx

ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

ã‚¿ã‚°

é–¢é€£ã‚¿ã‚°ã§çµžã‚Šè¾¼ã‚€ (3)

hookã«é–¢ã™ã‚‹akirakiã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (2)

ãŠçŸ¥ã‚‰ã›

æœˆé–“ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯æ•°ãƒ©ãƒ³ã‚ãƒ³ã‚°ï¼ˆ2025å¹´2æœˆï¼‰

æ—§ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã®Chromeæ‹¡å¼µæ©Ÿèƒ½ã«ã¤ã„ã¦ã®ãŠçŸ¥ã‚‰ã›ã¨æ–°ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã”åˆ©ç”¨ã®ãŠé¡˜ã„

ä»Šé€±ã®ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯æ•°ãƒ©ãƒ³ã‚ãƒ³ã‚°ï¼ˆ2025å¹´3æœˆç¬¬1é€±ï¼‰

å…¬å¼Twitter

ã‚ãƒ¼ãƒœãƒ¼ãƒ‰ã‚·ãƒ§ãƒ¼ãƒˆã‚«ãƒƒãƒˆä¸€è¦§

ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

å…¬å¼Twitter

ã¯ã¦ãªã®ã‚µãƒ¼ãƒ“ã‚¹

ã‚¿ã‚°

é–¢é€£ã‚¿ã‚°ã§çµžã‚Šè¾¼ã‚€ (3)

hookã«é–¢ã™ã‚‹akirakiã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (2)

linux ã®ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã‚’ãƒ•ãƒƒã‚¯ã™ã‚‹ : DSASé–‹ç™ºè€…ã®éƒ¨å±‹

ã‚¦ãƒŽã‚¦ãƒ©ãƒœ Unoh Labs: LD_PRELOADã‚’ä½¿ã£ã¦ä»»æ„ã®é–¢æ•°å‘¼ã³å‡ºã—ã«ãƒ•ãƒƒã‚¯ã—ã¦ã¿ã‚‹

ãŠçŸ¥ã‚‰ã›

æœˆé–“ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯æ•°ãƒ©ãƒ³ã‚­ãƒ³ã‚°ï¼ˆ2025å¹´2æœˆï¼‰

æ—§ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã®Chromeæ‹¡å¼µæ©Ÿèƒ½ã«ã¤ã„ã¦ã®ãŠçŸ¥ã‚‰ã›ã¨æ–°ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã”åˆ©ç”¨ã®ãŠé¡˜ã„

ä»Šé€±ã®ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯æ•°ãƒ©ãƒ³ã‚­ãƒ³ã‚°ï¼ˆ2025å¹´3æœˆç¬¬1é€±ï¼‰

å…¬å¼Twitter

ã‚­ãƒ¼ãƒœãƒ¼ãƒ‰ã‚·ãƒ§ãƒ¼ãƒˆã‚«ãƒƒãƒˆä¸€è¦§

ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

å…¬å¼Twitter

ã¯ã¦ãªã®ã‚µãƒ¼ãƒ“ã‚¹

é–¢é€£ã‚¿ã‚°ã§çµžã‚Šè¾¼ã‚€ (3)

hookã«é–¢ã™ã‚‹akirakiã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (2)

linux ã®ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã‚’ãƒ•ãƒƒã‚¯ã™ã‚‹ : DSASé–‹ç™ºè€…ã®éƒ¨å±‹

ã‚¦ãƒŽã‚¦ãƒ©ãƒœ Unoh Labs: LD_PRELOADã‚’ä½¿ã£ã¦ä»»æ„ã®é–¢æ•°å‘¼ã³å‡ºã—ã«ãƒ•ãƒƒã‚¯ã—ã¦ã¿ã‚‹

ãŠçŸ¥ã‚‰ã›

æœˆé–“ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯æ•°ãƒ©ãƒ³ã‚ãƒ³ã‚°ï¼ˆ2025å¹´2æœˆï¼‰

æ—§ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã®Chromeæ‹¡å¼µæ©Ÿèƒ½ã«ã¤ã„ã¦ã®ãŠçŸ¥ã‚‰ã›ã¨æ–°ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã”åˆ©ç”¨ã®ãŠé¡˜ã„

ä»Šé€±ã®ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯æ•°ãƒ©ãƒ³ã‚ãƒ³ã‚°ï¼ˆ2025å¹´3æœˆç¬¬1é€±ï¼‰

å…¬å¼Twitter

ã‚ãƒ¼ãƒœãƒ¼ãƒ‰ã‚·ãƒ§ãƒ¼ãƒˆã‚«ãƒƒãƒˆä¸€è¦§

ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

å…¬å¼Twitter

ã¯ã¦ãªã®ã‚µãƒ¼ãƒ“ã‚¹