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Overwrite the masterkey with zeros once we
have encrypted it, and let it run out of scope.
Also get rid of the password duplicate in
readpassword.Twice.
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This will allows us to overwrite the password
with zeros once we are done with it.
https://github.com/rfjakob/gocryptfs/issues/211
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Empty passwords are not allowed. Let's give the error
it's own exit code.
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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 .
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This is the value EncFS uses, so let's follow suit.
Suggested at https://github.com/rfjakob/gocryptfs/issues/77 .
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1000 was too low as at least one user had a password
that was longer.
Fixes https://github.com/rfjakob/gocryptfs/issues/93
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This used to hang at 100% CPU:
cat /dev/zero | gocryptfs -init a
...and would ultimately send the box into out-of-memory.
The number 1000 is chosen arbitrarily and seems big enough
given that the password must be one line.
Suggested by @mhogomchungu in https://github.com/rfjakob/gocryptfs/issues/77 .
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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.
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...and while we are at it, also filenames starting with "-".
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...and exit if it is not zero.
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tlog is used heavily everywhere and deserves a shorter name.
Renamed using sed magic, without any manual rework:
find * -type f -exec sed -i 's/toggledlog/tlog/g' {} +
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We want to use colored error messages also outside of main,
so let's handle it in the logging package.
The fatal logger now automatically prints red.
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* Supports stdin
* Add tests for extpass and stdin
As per user request at https://github.com/rfjakob/gocryptfs/issues/30
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