鏂囨。璇存槑锛?/p>
鏈枃妗ｇ畝杩颁簡
openwrt sdk
鐨勫崌绾у姛鑳芥祦绋嬶紝浠庨〉闈紶鍏ュ崌绾ф枃浠跺埌鍗囩骇鏂囦欢妫�娴嬶紝鍐?/p>
鍒拌皟鐢ㄥ崌绾ц剼鏈繘琛屽崌绾э紝
鍗囩骇瀹屾垚鍚庯紝
杩涜绯荤粺閲嶅惎銆?/p>
鏈�鍚庣畝杩颁簡濡備綍娣诲姞鍗囩骇鏂囦欢鏍囪瘑锛?/p>
鏍囪瘑鍖呮嫭鑷繁瀹氫箟鐨勫瓧娈碉紝
浠ュ強鍗囩骇杞欢鐨?/p>
md5
鍊笺�?/p>
杈惧埌闃叉鐢ㄦ埛鐢ㄥ叾浠?/p>
openwrt sdk
缂栬瘧
鍑烘潵鐨勫浐浠跺埛鏂版垜浠殑绯荤粺锛屼互鍙婇槻姝㈠崌绾ц蒋浠惰鐮村潖銆?/p>
鏂囨。闇�瑕佺敤鍒扮殑鏂囦欢鍙婂湪
sdk
涓殑璺緞锛堟煇浜涙枃浠惰矾寰勫彲鑳介殢椤圭洰鐨勪笉鍚岃�屾敼鍔級
锛?/p>
./package/ralink/ui/luci-mtk/src/modules/admin-full/luasrc/controller/admin/system.lua
./target/linux/ramips/image/ Makefile
./package/base-files/files/lib/upgrade/common.sh
./package/base-files/files/lib/functions.sh
./package/base-files/files/sbin/sysupgrade
./target/linux/ramips/base-files/lib/ramips.sh
./target/linux/ramips/base-files/lib/upgrade/platform.sh
鏂囨。姝ｆ枃锛?/p>
1.
浠庨〉闈㈡帴鍙椾紶杩囨潵鐨勫崌绾ф枃浠?/p>
浣滀负鏁翠釜娴佺▼鐨勫紑濮嬶紝鍔熻兘瀹炵幇鍦ㄦ枃浠?/p>
system.lua
涓�?/p>
杩欐槸涓�涓?/p>
lua
鏂囦欢锛屽緢瀹规槗鍦?/p>
function
index
鍑芥暟涓壘鍒扮郴缁熷崌绾у姛鑳界殑鍏ュ彛鍑芥暟锛?/p>
action_flashops
銆傚湪杩欎釜鍑芥暟涓鍏堥�氳繃
fp
=
io.open(image_tmp,
"w")
鎵撳紑鍗囩骇涓存椂鏂囦欢锛?/p>
/tmp/firmware.img
锛屾墦寮�鍚庨�氳繃
fp:write(chunk)
鍐欏叆椤甸潰浼犺繘鏉ョ殑鍗囩骇鏂囦欢銆傚埌杩欓噷锛屾帴鍙?/p>
鍗囩骇鏂囦欢瀹屾垚
銆?/p>
2.
妫�娴嬪崌绾ф枃浠剁殑鍚堟硶鎬?/p>
瀹炵幇鍚屾牱鍦ㄦ枃浠?/p>
system.lua
涓�?/p>
鍦ㄥ嚱鏁?/p>
image_supported()
涓繘琛屾娴嬶紝杩欎釜鍑芥暟閫氳繃
image
magic
number
鏉ユ娴嬪崌绾ф枃浠?/p>
鏄惁鍚堟硶銆傚嚱鏁?/p>
image_supported()
浼氳皟鐢?/p>
platform.sh
鑴氭湰涓殑
platform_check_image
鍑芥暟锛?/p>
platform_check_image
鍑芥暟璋冪敤
ramips.sh
鑴氭湰涓殑
ramips_board_name
鍑芥暟锛岃幏鍙?/p>
board
name
锛?/p>
ramips_board_name
鍑芥暟浠庢枃浠?/p>
/tmp/sysinfo/board_name
涓幏鍙?/p>
board name
锛?/p>
鑻ユ病
鏈夊垯涓?/p>
unknown
锛屽苟杩斿洖缁欒皟鐢ㄨ�咃紝鎴戠敤鐨勬澘鏄?/p>
ralink-soc
銆?/p>
platform_check_image
鍑芥暟缁х画
璋冪敤
common.sh
鑴氭湰涓殑
get_magic_long
鍑芥暟锛?/p>
鐢ㄤ互鑾峰彇鍗囩骇鏂囦欢
magic
锛?/p>
灏辨槸鍗囩骇鏂囦欢鍓?/p>
4
浣?/p>
銆?/p>
get_magic_long
鍑芥暟
璋冪敤
common.sh
鑴氭湰涓殑
get_image
鍑芥暟鐢ㄤ互
鑾峰彇鏂?/p>
浠?/p>
/tmp/firmware.img
鍐呭锛屽叾瀹炲氨鏄?/p>
cat
/tmp/firmware.img.
鑾峰彇鍒扮殑鍐呭锛岄�氳繃
dd
bs=4
count=1
锛屾潵鑾峰彇鍓?/p>
4
浣嶏紝鏈�鍚庨�氳繃
hexdump -v -n 4 -e '1/1 "%02x"'
澶勭悊浠ュ崄鍏繘鍒剁紪鐮佽繑鍥?/p>
璋冪敤鑰呫�?/p>
鑾峰彇鍒扮殑鍗囩骇鏂囦欢
magic
锛?/p>
鍦?/p>
platform_check_image
鍑芥暟涓笌
27051956
鍋氬姣旓紝
杩?/p>
涓�兼槸鍦ㄥ浐浠剁紪璇戠殑鏃跺�欏凡缁忓畾濂戒簡鐨勩�傚鏋滅浉绛夛紝灏辨槸鍚堟硶鐨勫崌绾ф枃浠讹紝缁х画鍗囩骇鍔ㄤ綔锛?/p>
涓嶇浉绛夊垯涓洪潪娉曞崌绾ф枃浠讹紝
鍋氫竴浜涘悗缁鐞嗗苟缁堟鍗囩骇鍔ㄤ綔銆?/p>
鍒拌繖閲屾娴嬪崌绾ф枃浠跺悎娉曟�у畬
鎴愩�?/p>
3.
妫�娴嬪崌绾ф枃浠朵笉鍚堟硶鍚庣殑澶勭悊
瀹炵幇鍚屾牱鍦ㄦ枃浠?/p>
system.lua
涓�?/p>
妫�娴嬪埌涓嶅悎娉曞悗锛?/p>
閫氳繃
nixio.fs.unlink(image_tmp)
鏉ュ垹闄や复鏃舵枃浠?/p>
/tmp/firmware.img
锛?/p>
骞堕�氳繃
image_invalid = true
锛岃缃娴嬪け璐ワ紝鐢ㄤ互閫氱煡椤甸潰鏄剧ず鎻愮ず淇℃伅銆傜粓姝㈠崌绾с�傚鐞嗗畬鎴愩�?/p>