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Remove the "Masterkey" field from fusefrontend.Args because it
should not be stored longer than neccessary. Instead pass the
masterkey as a separate argument to the filesystem initializers.
Then overwrite it with zeros immediately so we don't have
to wait for garbage collection.
Note that the crypto implementation still stores at least a
masterkey-derived value, so this change makes it harder, but not
impossible, to extract the encryption keys from memory.
Suggested at https://github.com/rfjakob/gocryptfs/issues/137
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Force decode of encrypted files even if the integrity check fails, instead of
failing with an IO error. Warning messages are still printed to syslog if corrupted
files are encountered.
It can be useful to recover files from disks with bad sectors or other corrupted
media.
Closes https://github.com/rfjakob/gocryptfs/pull/102 .
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The volatile inode numbers that we used before cause "find" to complain and error out.
Virtual inode numbers are derived from their parent file inode number by adding 10^19,
which is hopefully large enough no never cause problems in practice.
If the backing directory contains inode numbers higher than that, stat() on these files
will return EOVERFLOW.
Example directory lising after this change:
$ ls -i
926473 gocryptfs.conf
1000000000000926466 gocryptfs.diriv
944878 gocryptfs.longname.hmZojMqC6ns47eyVxLlH2ailKjN9bxfosi3C-FR8mjA
1000000000000944878 gocryptfs.longname.hmZojMqC6ns47eyVxLlH2ailKjN9bxfosi3C-FR8mjA.name
934408 Tdfbf02CKsTaGVYnAsSypA
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Due to kernel readahead, we usually get multiple read requests
at the same time. These get submitted to the backing storage in
random order, which is a problem if seeking is very expensive.
Details: https://github.com/rfjakob/gocryptfs/issues/92
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...but keep it disabled by default for new filesystems.
We are still missing an example filesystem and CLI arguments
to explicitely enable and disable it.
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There are two independent backends, one for name encryption,
the other one, AEAD, for file content.
"BackendTypeEnum" only applies to AEAD (file content), so make that
clear in the name.
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Preallocation is very slow on hdds that run btrfs. Give the
user the option to disable it. This greatly speeds up small file
operations but reduces the robustness against out-of-space errors.
Also add the option to the man page.
More info: https://github.com/rfjakob/gocryptfs/issues/63
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Through base64.RawURLEncoding.
New command-line parameter "-raw64".
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Only in plaintextnames-mode AND with the config file at the
default location it will be mapped into the mountpoint.
Also adds a test for that.
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If allow_other is set and we run as root, try to give newly created files to
the right user.
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The GCMIV128 feature flag is already mandatory, dropping the command
line option is the final step.
Completes https://github.com/rfjakob/gocryptfs/issues/29 .
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The EMENames feature flag is already mandatory, dropping the command
line option is the final step.
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The DirIV feature flag is already mandatory, dropping the command
line option is the final step.
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Todo: Rename, Unlink, Rmdir, Mknod, Mkdir
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"git status" for reference:
renamed: pathfs_frontend/args.go -> internal/fusefrontend/args.go
renamed: pathfs_frontend/compat_darwin.go -> internal/fusefrontend/compat_darwin.go
renamed: pathfs_frontend/compat_linux.go -> internal/fusefrontend/compat_linux.go
renamed: pathfs_frontend/file.go -> internal/fusefrontend/file.go
renamed: pathfs_frontend/file_holes.go -> internal/fusefrontend/file_holes.go
renamed: pathfs_frontend/fs.go -> internal/fusefrontend/fs.go
renamed: pathfs_frontend/fs_dir.go -> internal/fusefrontend/fs_dir.go
renamed: pathfs_frontend/names.go -> internal/fusefrontend/names.go
renamed: pathfs_frontend/write_lock.go -> internal/fusefrontend/write_lock.go
modified: main.go
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