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path: root/init_dir.go
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2021-09-28-init: suggest xchacha if we don't have AES accelJakob Unterwurzacher
Example on Raspberry Pi 4: $ ./gocryptfs/gocryptfs -init $(mktemp -d) Notice: Your CPU does not have AES acceleration. Consider using -xchacha for better performance. Choose a password for protecting your files. Password: https://github.com/rfjakob/gocryptfs/issues/607
2021-08-25-devrandom: make flag a no-opJakob Unterwurzacher
Commit f3c777d5eaa682d878c638192311e52f9c204294 added the `-devrandom` option: commit f3c777d5eaa682d878c638192311e52f9c204294 Author: @slackner Date: Sun Nov 19 13:30:04 2017 +0100 main: Add '-devrandom' commandline option Allows to use /dev/random for generating the master key instead of the default Go implementation. When the kernel random generator has been properly initialized both are considered equally secure, however: * Versions of Go prior to 1.9 just fall back to /dev/urandom if the getrandom() syscall would be blocking (Go Bug #19274) * Kernel versions prior to 3.17 do not support getrandom(), and there is no check if the random generator has been properly initialized before reading from /dev/urandom This is especially useful for embedded hardware with low-entroy. Please note that generation of the master key might block indefinitely if the kernel cannot harvest enough entropy. We now require Go v1.13 and Kernel versions should have also moved on. Make the flag a no-op. https://github.com/rfjakob/gocryptfs/issues/596
2021-08-23configfile: add Validate() function, support FlagXChaCha20Poly1305Jakob Unterwurzacher
We used to do validation using lists of mandatory feature flags. With the introduction of XChaCha20Poly1305, this became too simplistic, as it uses a different IV length, hence disabling GCMIV128. Add a dedicated function, Validate(), with open-coded validation logic. The validation and creation logic also gets XChaCha20Poly1305 support, and gocryptfs -init -xchacha now writes the flag into gocryptfs.conf.
2021-08-23go mod: declare module version v2Jakob Unterwurzacher
Our git version is v2+ for some time now, but go.mod still declared v1. Hopefully making both match makes https://pkg.go.dev/github.com/rfjakob/gocryptfs/v2 work. All the import paths have been fixed like this: find . -name \*.go | xargs sed -i s%github.com/rfjakob/gocryptfs/%github.com/rfjakob/gocryptfs/v2/%
2021-08-21configfile: pass struct to Create 2/2Jakob Unterwurzacher
Drop Create and rename Create2 to Create.
2021-08-21configfile: pass struct to Create 1/2Jakob Unterwurzacher
The argument list got too long. Part 1: Replace with Create2
2021-08-20-deterministic-names: accept flag on -initJakob Unterwurzacher
And store it in gocryptfs.conf (=remove DirIV feature flag).
2021-08-20Implement -deterministic-names: extended -zerodirivJakob Unterwurzacher
-deterministc-names uses all-zero dirivs but does not write them to disk anymore.
2021-08-19Flag -zerodiriv to create all diriv as all zero byte filesJose M Perez
2021-08-10main: take advantage of pflag slice typesJakob Unterwurzacher
Our multipleStrings type is now built in.
2020-09-12Add support for FIDO2 tokensPavol Rusnak
2020-09-06gocryptfs -init: fix wrong exit code on non-empty dirJakob Unterwurzacher
Fixes https://github.com/rfjakob/gocryptfs/pull/503
2020-05-17main: accept multiple -passfile optionsJakob Unterwurzacher
Each file will be read and then concatenated for the effictive password. This can be used as a kind of multi-factor authenticiton. Fixes https://github.com/rfjakob/gocryptfs/issues/288
2019-12-28remove Trezor supportPavol Rusnak
2019-08-04Rename isDirEmpty -> isEmptyDirJakob Unterwurzacher
The function actually answers the question: "is this an empty dir"?
2019-04-08readpassword: delete CheckTrailingGarbageJakob Unterwurzacher
CheckTrailingGarbage was called even when "-passfile" was used, which is stupid, and causes false positives: https://github.com/rfjakob/gocryptfs/issues/391 (false error "Received trailing garbage after the password" when using -passfile in .bash_profile) Instead of trying to improve the logic to handle that case and make everything even more complicated, delete the function. It is unclear if actually helps in some cases, and it definitely harms as shown by the above bug report.
2019-03-03Allow multiple -extpass argumentsJakob Unterwurzacher
To support arguments containing spaces, -extpass can now be passed multiple times. https://github.com/rfjakob/gocryptfs/issues/289
2019-01-03Omit syscall.O_RDONLY flag when passing O_PATH.Sebastian Lackner
When O_PATH is specified in flags, flag bits other than O_CLOEXEC, O_DIRECTORY, and O_NOFOLLOW are ignored.
2019-01-03nametransform: simplify WriteDirIV to WriteDirIVAtJakob Unterwurzacher
Un-spaghettify the function and let the callers open the directory.
2018-12-15passfile: directly read file instead of invoking catJakob Unterwurzacher
Allows better error handling, gets rid of the call to an external program, and fixes https://github.com/rfjakob/gocryptfs/issues/278 .
2018-09-23fusefrontend: get rid of os.File* wrappingJakob Unterwurzacher
Directly use int file descriptors for the dirfd and get rid of one level of indirection.
2018-07-01trezor: add TrezorPayloadJakob Unterwurzacher
TrezorPayload stores 32 random bytes used for unlocking the master key using a Trezor security module. The randomness makes sure that a unique unlock value is used for each gocryptfs filesystem.
2018-07-01configfile: reduce function name stutterJakob Unterwurzacher
configfile.LoadConfFile() -> configfile.Load() configfile.CreateConfFile() -> configfile.Create()
2018-07-01trezor: add skeleton for Trezor supportJakob Unterwurzacher
readpassword.Trezor() is not implemented yet and returns a hardcoded dummy key.
2018-04-01main: move and rename checkDir*() helperJakob Unterwurzacher
To avoid confusion with fsck, rename to isDir*() and move the functions into init_dir.go.
2018-04-01main: pull regular exits into main functionJakob Unterwurzacher
The replaces the "does not return" comments with an explicit os.Exit, which is unambigous.
2018-02-18main: zero password once we are done with itJakob Unterwurzacher
Overwrite the password we have got from the user with zeros once we don't need it anymore, and make sure the variable runs out of scope.
2018-02-18main: overwrite keys and let them run out of scopeJakob Unterwurzacher
As soon as we don't need them anymore, overwrite keys with zeros. Make sure they run out of scope so we don't create a risk of inadvertedly using all-zero keys for encryption. https://github.com/rfjakob/gocryptfs/issues/211
2017-11-29fusefrontend: allow_other: close race between mkdir and chownSebastian Lackner
Fixes the same problem as described in 72b975867a3b9bdf53fc2da62e2ba4a328d7e4ab, except for directories instead of device nodes.
2017-11-21main: Add '-devrandom' commandline optionSebastian Lackner
Allows to use /dev/random for generating the master key instead of the default Go implementation. When the kernel random generator has been properly initialized both are considered equally secure, however: * Versions of Go prior to 1.9 just fall back to /dev/urandom if the getrandom() syscall would be blocking (Go Bug #19274) * Kernel versions prior to 3.17 do not support getrandom(), and there is no check if the random generator has been properly initialized before reading from /dev/urandom This is especially useful for embedded hardware with low-entroy. Please note that generation of the master key might block indefinitely if the kernel cannot harvest enough entropy.
2017-05-14exitcodes: specific codes for failure to read or write gocryptfs.confJakob Unterwurzacher
New codes: * OpenConf = 23 * WriteConf = 24
2017-05-07exitcodes: pull all exit code definitions into the packageJakob Unterwurzacher
This commit defines all exit codes in one place in the exitcodes package. Also, it adds a test to verify the exit code on incorrect password, which is what SiriKali cares about the most. Fixes https://github.com/rfjakob/gocryptfs/issues/77 .
2017-03-05configfile: switch on Raw64 by defaultJakob Unterwurzacher
As we have dropped Go 1.4 compatibility already, and will add a new feature flag for gocryptfs v1.3 anyway, this is a good time to enable Raw64 as well.
2017-02-12Check for trailing garbage after the passwordJakob Unterwurzacher
From the comment: // CheckTrailingGarbage tries to read one byte from stdin and exits with a // fatal error if the read returns any data. // This is meant to be called after reading the password, when there is no more // data expected. This helps to catch problems with third-party tools that // interface with gocryptfs.
2016-11-01Add support for unpadded base64 filenames, "-raw64"Jakob Unterwurzacher
Through base64.RawURLEncoding. New command-line parameter "-raw64".
2016-10-09main: init: handle spaces in mount suggestion messageJakob Unterwurzacher
Before: You can now mount it using: gocryptfs a x MOUNTPOINT After: You can now mount it using: gocryptfs "a x" MOUNTPOINT This is still not bulletproof but should handle the common case of having a space in the directory name. After all, it's only a suggestion.
2016-10-04lint fixesValient Gough
2016-09-28main: get rid of duplicate "extpass" messageJakob Unterwurzacher
$ gocryptfs -init -extpass "echo test" a Using password provided via -extpass. <<< DUPLICATE Reading password from extpass program The gocryptfs filesystem has been created successfully. You can now mount it using: gocryptfs a MOUNTPOINT
2016-09-26reverse: switch from GCM-SIV to AES-SIVv1.1-beta1Jakob Unterwurzacher
GCM-SIV is not yet finalized, and the reference implemenation is painfully slow at about 2 MB/s. Switch to AES-SIV.
2016-09-25reverse: add gcmsiv flag and associated testsJakob Unterwurzacher
2016-09-25contentenc: add GCM-SIV supportJakob Unterwurzacher
Also add ReverseDummyNonce nonce generation.
2016-09-25main: init: refuse overwriting .gocryptfs.reverse.confJakob Unterwurzacher
2016-09-25reverse: enable init functionalityJakob Unterwurzacher
2016-09-25main: move initDir into its own fileJakob Unterwurzacher
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