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| /freebsd-11-stable/usr.bin/fetch/ | ||
| H A D | fetch.c | diff 225599 Thu Sep 15 21:05:10 MDT 2011 des When resuming an HTTP download, we failed to verify that the range returned by the server matched what we requested, and blindly appended what we received to what we already had. This could go two ways: if the delivered offset was higher than expected, the local file would contain duplicate data, while if it was lower than expected, there would be data missing from the middle of the file. Furthermore, if the transfer was interrupted again, each subsequent attempt would compound the error. Fix the first problem by restarting the transfer from scratch if there is a gap, and the second by explicitly seeking to the correct location in the local file so as to overwrite any duplicated data. PR: bin/117277 Approved by: re (kib) MFC after: 3 weeks |
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