LMLPHP后院

扫码查看  原文链接 : https://blog.lmlphp.com/archives/808/Clearing_the_phone_storage_DJI_s_log_files_really_shocked_me  来自 : LMLPHP后院

DJI 是个不厚道的公司，所有的产品吹的天花乱坠，买来总是觉得哪里不对，哪里过于吹嘘。

看下面，大家注意没，一个日志文件 2.5G。

~/.../CACHE/NFZ $ ls -alrt
total 2519239
-rw-rw----  1 root everybody     169126 May  2 18:06 log-2022-05-02.log
-rw-rw----  1 root everybody 2575771382 May  4 19:55 log-2022-05-04.log
-rw-rw----  1 root everybody     197188 May 25 13:39 log-2022-05-25.log
-rw-rw----  1 root everybody      79176 Jun  4 16:44 log-2022-06-04.log
-rw-rw----  1 root everybody     336856 Jun  5 20:20 log-2022-06-05.log
-rw-rw----  1 root everybody     385500 Jun 14 11:31 log-2022-06-14.log
drwxrwx---  2 root everybody       3488 Jun 27 10:51 .
-rw-rw----  1 root everybody     164888 Jun 27 14:50 log-2022-06-27.log
drwxrwx--- 76 root everybody       3488 Aug 22 18:09 ..
~/.../CACHE/NFZ $ vim log-2022-05-02.log 
~/.../CACHE/NFZ $ pwd
/data/data/com.termux/files/home/storage/shared/DJI/dji.go.v4/LOG/CACHE/NFZ
~/.../CACHE/NFZ $ ls ..
 AccountCenterValidateCheck   DJIFlySafeOverHorizonManager   DebugNotConnect        MultiQuickShot          ServerLog               areacode       onCall
 BLELog                       DJIFpvTipView                  EnterItemButton        MultiTrackingReporter   TimeLapseController     async_parser   playback
 BatteryEmbed                 DJILeftMenu                    FLAG_NO_VIDEO_SIGNAL   NAVIGATION              UP_DATA_ALL            'auto edit'     playback-video-play
 CAMERA                       DJILeftMenuNavigation          FlyForceLanding        NCVC                    UP_NEW_ALL              aviatorU       popup
 CameraSwitchMode             DJILeftMenuPoi                 FocusDistance          NFZ                     UP_WIFI_PR              awp2           recognize
 CheckList                    DJILeftMenuStopView            Guidance               NavigationReportUtil    UpgradeLog              changeName     sdrp4s
 ChecklistListRootView        DJIMainFragmentActivity        HomeMarkerMiss         POIController           Utmiss                  edit           setterAppGps
 ConnectDebug                 DJINavigationEnterLimitLogic   LiveStreaming          Poi                     VerPhone                flyPlan        web-login
 DECODER                      DJITipHelper                   MAP                    RECORD                  VisualScreenTouchView   gimbalPitch
 DJIAccountShareReceiver      DJIVisualController            MsdpInitCallback       SAT-4720                VisualTrackViewDebug    joyStickE
 DJIComponentManager          DateTest                       MultiNetworkLog        SMART_CAPTURE           active                  magnetic
~/.../CACHE/NFZ $ du -sh ./*
172K	./log-2022-05-02.log
2.5G	./log-2022-05-04.log
200K	./log-2022-05-25.log
84K	./log-2022-06-04.log
336K	./log-2022-06-05.log
384K	./log-2022-06-14.log
168K	./log-2022-06-27.log
~/.../CACHE/NFZ $ du -sh ..
2.5G	..

所有的文件全部 base64 加密，用标准的 base64 无法解码，这个应该是最近一两年升级的，以前是明文：

~/.../CACHE/recognize $ ls -alrt
total 83
-rw-rw----  1 root everybody 5130 May  2 18:06 log-2022-05-02.log
-rw-rw----  1 root everybody 4798 May  4 16:41 log-2022-05-04.log
-rw-rw----  1 root everybody 2728 May 25 13:38 log-2022-05-25.log
-rw-rw----  1 root everybody 1362 Jun  4 12:10 log-2022-06-04.log
-rw-rw----  1 root everybody 2638 Jun  5 20:20 log-2022-06-05.log
-rw-rw----  1 root everybody 5040 Jun 14 11:11 log-2022-06-14.log
-rw-rw----  1 root everybody 3366 Jun 27 13:03 log-2022-06-27.log
drwxrwx--- 76 root everybody 3488 Aug 22 18:09 ..
drwxrwx---  2 root everybody 3488 Aug 22 18:13 .
~/.../CACHE/recognize $ cat log-2022-06-27.log 
GmcONIA9PFzHw1gpPLLPoqev3ytAH5KO3S/CJpMsylg=
fV1mxR3zCaeIuzBFwRx2YnPVz4AtgOjw9hQ1a1Qn87c=
YsbB8hMEeQbFCwZd48UNsZKh2CUYMaKK9Ff0gZiJTsc=
Ry9rg+x/KNoDG0shFsQH7w==
Ca9J6pJ1u/Gld0laPojYOe01jwld2tFz+HYJoY9eL8QIQu9NLiSXJjdWQgZYUjhF
cwgQW1UgxyVfBeSrdwXHsPE1eoSAri+NViVSjTYe4hg=
pYn3RyiaY4vz2unSybTHuw==
mAzeFbkWBGyzJRgEWJSZYQNn44wFaguEUnqkvHVinQw=
aBDeHnsfPHLfjb30LOifVT3sZI265SW8FUdOW6jz40er0kHqEuYeom1iYtkagMfG
2lfNnhNY+w/3xMaMUxJbE0YFT/wvMlSDz8Vrd5FEs18=
lUusw0kqjcYDS6a0cQbCtEe6WKa6VdiEySxwQAyjCv6dbFcD10L/r6FcqSXw0ABXEQw4AQfrl5TKU+8m6kw/1HbxJAtuFQhhAEZyai7oFOVQ2IUKYAps60HoApAydEzPM74VSgYmxaWRSxmfg7HJUPVwcRHG58UcnSNY+aS49c0=
f92woOM6CvIb6PzBaWorqx6X+QJi1cidkaGtjPzvqoRbYvgbE5ycaS/BrTxueI5Q7mzD1d7A3M/84K57GXwslA==
Nz0IetPGrBwCWb338TKtBrNl+XLmCrEwBMUNEPsFfQ7oGkkxk+o8EgL9NYq4AZA5/8a+VKjYI1h8NJ00mKarbTHpvSQi7G2tT2ZDK2ZpbPaynZYoN1oDpWKVeWEsAXj6UMoGqSfHuqpe8gjBAfRaQBVO3kyl7Yi4ODa2xBxhRwY=
Gb2qi4BTvgvjNz3mhww0WXDpTzOlzegHFoB6cxdKQHWko7cyBEsDnNf8LKqJNZebdQi93PSrvW98HUp27l8AQWwpd1y7i0Fg8wC0gsAjqk96f5+0p5GDAz2IzTHKKfjT8+llxTB0p7bK8HnLgmtAqM7qM7dJ1N5wuP7Sk+q3pTg=
ZMhubxVBNIRxMCrz3zlDXxoCYqHnnszlWicqv2Ss6flb6bpZVBR+RTq/5zClvRArpF8ZExRP3jv0bGv3dXlYQA==
Cq6ThXLXFDwi6fdqErgYHjy1dkpEqqC2jlWxFQjToby155SrOr8Xw0wJqEmmVO+FBL4GlC+7jju4sQuvEa/2NjgTlPNBkBWW7iAtg0pFw0xBbdDplqMD3ec5pwX0Y+AJ6d8Smd/3+UIJhKGZ04whMubwSfjeIHD/GfWHjy5guto=
G/Op0V309gxu0UnmRUIXVl37RpRGc/znWpAZyXNtd70D2Sur8pun/69CYcPhlcTonyQ3Wvr0VPWj0n14OQ/mUg==
tKeLsMsx/m87gJlVLMKRzI6mks8JFbZp9KVUVrr5BA9T4JYLikD5KsAj07HP4mxMlV+GaEXd+SJQTXAtNphldQ9h4tR/gZXndBpFZq/DwYzLelYxJVD7kJQSfTSrTeHSwwQb3sUnsVFZjmqSneauQ9kAYTdl3tONxjRT3AWfE/g=
VNVxs33Rw7MSEnrvfr34an98GeT5pPwvEtNiC+5Q0kL1Mc3wYhLFDrZ2f+qwXfdRr2gfWdKd1C4NBgM7xiHvog==
grN8N1fEhW3PKZjnFb6rrMEfR+vNeITIkgK60Qcr0hXhfVGJs5eZGKvp5xaKI0Mdo3h1Mg+7bgBKUgHgZQKD9tjYhlnNAusBAGE8xurezh33BsLnl8CTyTNerjd8bm0Jl4005/PxG2wml9bUCFUgK5U5VFq+ddPmlEuv1uvMx4o=
C14/tjH2qW5LieKlNKkITdSUp4JDuA6npqaqk9V6+K8+XYf2bY7hCqjQhqO4xD18BiiSrJ4wWHNjN9GQIMwlzg==
IuiAuIJ/MFvT6bFTmrsDw1GEwvVkIR4c81tYz8EhgxUxXWZukdu6YjdBigu4w7i3VGyNBEQvL7r5S4hfe6Mh7A8DCBYFX8Ou8e1BeZmEg1A=
dSfIlBgyeelC3tV/CO3vP4Hp9jG9ORuO11tRUln1q5kVIr024sf+sy3BMEZ/JRMDlUha5oDK0ZN4UcS0lgRWKg==
DoLPlSWlriysQ9u3lNrocE2G1qT/wmYe6N5pSYLUbJED/54/v4tWVYJPkIuojttDUQycbTm0rAFJrZmlZ7F/0NXwHuUoVI6mJ2EXcpYhgvPwO7AI0RJu5OdAOegHGcDG4oPROtkur7YOvTAkjF2CRuv+2UnDn7u0yCg00yi9tT0=
PsrJexthFE7jIDUVFC2n+FysvVBi1QjkOF99r3yuROXGrNuuDIvqENoZ8hJepob0q2jjQO2jZldMjm2wx9tkqg==
KaOx5iIicGdEYYAbKfBL1BauPxivKAmEcrM1D5ecj1JyEh5nGUw+LUYj6GTFsu/BkmPKIJoJPKwM2MtiT6qAwm39QZ1Dcne214UL7XxBf4dZSoG7DZSgpcRPKVlwjsBxK6YzMIu8GO0WNizi9BGERjAwljEhuKeO3iN0LXsEtTU=
gFlCQzvxJhoUblSZ3mv0OfXJCdGV1H0zqhNTSsYU8LiJwlYxgfFAQV+TckzJPwF+yt1XNzXGVJwmuk/lOGvCnQ==
Y7PoycpfxYDer/s0ZaldM5N7ALqykatFxC0m/8ag424Q+b2Ryx6mn0+Q6mcfQiMYD5N62aHiU81zAEFpGzH/FCfvsvCd8lZJFMBPPF8+RP4=
ByWZcq5wr2JHCQqR2jdQxmARv0ILZw+7JInrxFtGxU+Fn9m9gvWRC3U3atQvfOqu4dm4Lz/Gwizl4+zJ/UY5KQtIp9CX1fNGgKVlaNTLYJ8HD/BLFltDVEYn0KcLc2CMPZykejuyp9RC3B13w3FX7IKX1yqpZK3uF0dby2oRSgI=
nZDvhU0Q6yTFGgQcVwr+98qEjTAP7+mn3PKqdvbDNbJtZlJddFmnYgbkW6Zd/ZuqOV56OfmKBNf0AyGFYfxT+g==
RuzGUQtWDI5QiBDhZ5p+1hANP2JOKf/7GkQP0YfrOPOwphHmMALkPpPUcKwtwI5LJDWHXNcECCE6dPepCjkgrZPYihyVUkwLaGaS/qbPczE=
5QLLOLJwtYk2/F9X73+9orbXpFm9V25CP8ckLsVy+IWJ07DNxPizE06rTtLt3wd9Q+3l5hlurWnGippydEASIw==
Ln7PQHB7D6LrfJvyNHX5DT6nHqnztqn0eeCl1acYVqpJxfpIJ5R3b5Hmi4emkBYGdCZnCLJxNwfxhx0uULJQPJk5FGvqV5oeoI5N4RAusrU=
~/.../CACHE/recognize $ pwd
/data/data/com.termux/files/home/storage/shared/DJI/dji.go.v4/LOG/CACHE/recognize