Python 的 b64encode 被插入 "Administrator" Sid: S-1-5-21 的问题。

经过
def getProfileString(): ret = '\b'.join(p) + '\f' + '\b'.join(alt) ret = base64.b64encode(zlib.compress(ret, 9)) return ret
之后
成为：
eNrtW1tv27gSfhWM/RHEedrFNj662E2zhh7axEkD5GLECprmRaAl2uZWEgWKinNB/vsZkpIsJVaSdtOcpGsDtarhDC9z/YaII3xFuD8ndDYXrtm1jQWOIl/MafAtIVkGpL7BieA4EJQlPknwJCKux3NiZCyioR+pCZYCljGlMENIkoyKK9c2jYRdX0fEz+g1gel6RsppIvwsJSR0HbN4FSROCcci58S1tvr3qfZqsuOumKFXESckbEzdN40sT1PGhXvEEmKkERZTxmMfh3OSwQk1ueDxwxxHPrkUPFdjn5iYGwuaEl+wBeHuLo4yUiP4FyzKY+La/TqRJKWWkjyegJhpMHYNCplTEoVal6AzHBPYcEjhKYDJ6m7275PtFrpUwz1ir06cRmzhWqbZNev21Fbo3aHimOWJcHtN2ytlFEONgZgmPrxckAh21xgJWDyhyUyfsSlB44ZqYQd2nWPOUkkzJkwIFjcc0jGUNk1/QUMx96cgwbg8msEmf5MAXIsm35QwuyA8wqnauRLUuyxO/b6aXVtHU62+QRPlwvrdhNeMCLP5elm9BoxFSgNFIFCwv2NMcRkrhYGzbxT8KaIJAaVIDVoFaYZT14G96rdSMRFJZmIOm5HHkJNNc9hRFaZ9RSs2bJrLNz/Gl4pSbWsKVHB+iKqCOCcY/JFOReG+OowF6Lv+rjVTOWfkF7qU+imjQ1ylxN3jNKwoOJlBdnhfBZmvRNXy9lLu8gpcNBM4CYhKOSX9ukY2spRyHMmcofVH4xSSSMxCUuxzwmlcV+imwfEUNIj5jCZuX3q0fFccWYoD6YdOSZ3gjNxxqiVdiijfAncu+CGXEA6e1hSyN++OLkVlplODmHJpY+C2NSHLC17pMJlrg34vwd85p+Aufp6oCJRJGNTr49IE7SyTQiFNHjgHS0niT6jIVjFA6MkUfQHKEVQEc6kezZZGOWgQtAphMHPLoAqIPKR/6W5Yd0hXQPoN7MZFdxZI+wzQxgYaex9PPLS3fbwzhNfOwJWf8dA7HfmWqz+dwTiiAQkRFn+hmxBf3cpvQeAhw+i2M/iEMxogiDcB28v+QgdSZUiHAYhEteJ1i76ARoDnplnBbtEu+CCQ62UJph7J+oDkOjBWVBC96G6RMhHoMNSCOoXq3Hcb10gLvfasJhWwTNSl5DvMemhtmWh8s7Is3aLBaQK5UskLhnAYoiuWc8QWCQJeVONF0sXkdGavmu6pU92fBsE8W8izVk1l/9hc5j/f1p5toeIzgErGwQcucJSTrLMHSixH8ARSVS4IShnYFEICfKQDe9gsGZRPogUVcyTmBEGSRGw6LV1xXHmheoyOx/ve/vHR/tHe0kH37A/ozFSPr/Cw0NcNy0S7zntTE88V8dxSjzPLtmtsncMPYCEHOFcv+Hn40Wssdmj12j2ko5R7skKzbec52T8c+kfH5+cHw+o4WzYaVgpcfgbXhDOlI1WQQ/A4XYDkWXY/mGhoN6UGBR+yzTgGpSJZZVAmWPDt+xdBeIZpopbqm7DWhmVL9gIMtBxvvH3y0dv+vDxZzQQbfTBMaaUtSw3YenxDPrfaTPJlf1TpqrJec2owf+vc1tL2SkC/WqtHN2rDb2dD28fHB/7O8ZejpdOa78FYKraSTpkBTsCVIcUefERSAMljIG94OAKbnZ4MO4dwDDS2TfgegcmLoB08HKBr4zy2odHJ8SfIKFVMFJnJ/gD/tp6Q9pyGJCAovbRj1tPew8nMrvlFS7p6sBC2TD88805Od4aAL0O/vuNeyeatSDgq6YwXEtzIkqNKAOWZKPMP/8F8aMkkZTnSsitzouU8W05syX0KRdk1a+3e1DsbiW5ygZSGoSaiGGAQnhEIUHSwvYOygBMiY9XaRDuePUY0Q6OCt9vt/qej8Bt0rfIQTRhnALUO8oZHO0uIpyHJakOUypHgDRAeV3GuC16LgOILFfpZiqDf6VTiBjSH0yIq/pBRhZ7wgWoCnT6g3QZYAM1BtQHHNs1HhFUpKlyowHkYAbSG/U2Zgi1TpWrJoe873kmfg1UJdBQoYzGR2pTDKQdzgK+rKPsTejld8WRpgjiDrzvGBAgEvRc6R3larAlRgMotVdshFyRBMZPzbpkFcAE08oha1NRn//0qNwvdorQ6eGyavYMtq93KblE6CAOHKg6wwFcq37VOmgmSQkRnysg1xHafcyWEG0wISYsaYdmyRkDEmU8gDCCpMFCIbGnAn2e3DU+u+6qhoKG97lfW/cq6X/lp/Uqv1VBLoLgaIWgbn6wUfXq741mvtONRi0ijQOq/WX3DevuikOYFW7zHjv3s7d4gppwzfrbs//T4kv7aEP7KHT/QENwfXTXXv/yUj3euOl090rlWDa4DbN7o9CE261fqg9dO+RNO+co69p9TsN98wy+rY1u9Wl0z27jf0sWA8533AvbDFwOe+Z13A4U3ru8T1vcJb+Q+wSkjYH1N8H++JnjGW4I3cklQC9DWICyuAGqRen6fpQASLVlDJZzib6ZQKM9p9eO449lPqsY2RM4/rMW2unxvu3l/3lbVfqRBt/6Nh35B3PWSx/5RnFQDSBIEVSVgCFbf24b/viD6kTL2GjH9EGLqPydgestg6S7m0dCmt4Y2rwra2M8HbdYo6cVQkvOk2tmDTf9CgOFp0ND5tQ69hoZraHgHGvbeGjSUMs4aTq7h5PPCyeLHHvUfDFTE5Z+X6d+qNJgUpcbBCdTYgHSD7MI1wAg6zQwLv6wAq04+EyIWEJnq0EHOuVJx6cLSAMrQQKmo79BiDgJVpCswEeeRoGlUpQuedTsDbw5KlatJ5QK8UV6uvEhO6v2e/GGATsRr2h+eygAst/c/Ejt5Xg==

使用

print zlib.decompress(base64.b64decode(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))

可以看到压缩并编码的内容。

这段内容是插入到文件里的，但是偶尔（就是没有成功重现过，大概是在用户第一次使用软件的时候，我的电脑从来没有出现过）会在中间插入一段文字
"Administrator" Sid: S-1-5-21-1987871192-1803184254-2498118558-500
最后有个换行。
变成这样：
....XMkMfUQip2COqEJ"Administrator" Sid: S-1-5-21-1987871192-1803184254-2498118558-500 e4arFR1FNLwA0Tk/ZBgmAWzrQvbe89WVKGY/vUi5....

我认为这个问题是出在 b64encode 环节的。
google python sid b64encode 找不到任何思路。

我的思路是不是错了？

4 条回复 • 2015-11-05 13:24:56 +08:00

fangdingjun

2015-11-05 12:24:52 +08:00

检查你的代码有没有多线程写文件，或者文件名冲突的情况，
其次检查出问题的电脑上有没有什么卫士，助手，管家之类的，
如果在干净的系统环境下也会出问题， 100%是你代码的问题

Weakdancer

2015-11-05 13:05:22 +08:00

@fangdingjun 谢谢。
主要是这个问题不知道怎么重现，在出问题的电脑上也是只出一次，之后再也不会出现了。
之后的意思是什么都不修改，不管有没有管家什么的都没有关闭或者打开。

hahastudio

2015-11-05 13:13:16 +08:00

base64, zlib 怎么可能会去拿你的系统的 SID= =
很明显是你给它的内容就多了一行
为什么会认为是编码有问题呢= =

Weakdancer

2015-11-05 13:24:56 +08:00

@hahastudio 我也认为 base64 不会取 Sid ，但是怎么解释 sid 出现在 base64 编码的中间呢？
把 sid 去掉之后还是能够重新解码的。
这个代码不是我写的。是开源的 3d 打印切片软件。

https://github.com/daid/Cura/blob/SteamEngine/Cura/util/profile.py#L863