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Fix reading password from stdin

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Reading the password from non-terminal stdin used io.ReadFull with a
byte slice of length 1000.

We are now using a Scanner to read one line of input, independent of its
length.

Additionally, if stdin is not a terminal, the password is read only
once instead of twice (in an effort to detect typos).

Fixes #2203

Signed-off-by: Peter Schultz <peter.schultz@classmarkets.com>
This commit is contained in:
Peter Schultz
2019-03-26 16:14:40 +01:00
parent 870e7583a1
commit 5715517e29
2 changed files with 18 additions and 14 deletions
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changelog/unreleased/issue-2203 Normal file
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Bugfix: Fix reading passwords from stdin
Passwords for the `init`, `key add`, and `key passwd` commands can now be read from
non-terminal stdin.
https://github.com/restic/restic/issues/2203