Hi Tramp(s),
I'm running tramp on Linux against an embedded system providing
ssh+friends and base64 (however an older version).
ilp-node3:~# base64 --version
base64 (GNU coreutils) 6.0
When tramp checks out the target it uses
tramp-remote-coding-commands
(b64 "base64" "base64 -d")
to check the encode and decoding on the target.
But:
ilp-node3:~# echo hack | base64 | base64 -d ; echo $?
hack
base64: invalid input
1
This problem of base64 is known and fixed with newer versions like,
bash> base64 --version
base64 (GNU coreutils) 7.4
bash> echo hack | base64 | base64 -d ; echo $?
hack
0
however, it may fail, when the target is an older systems.
Using:
(b64 "base64" "base64 -d -i")
fixes the problem and works on old and new systems.
The switch -i ignores trailing garbage:
From an old RedHat man page:
...
-i, --ignore-garbage
When decoding, ignore non-alphabet characters.
...
The data are encoded as described for the base64 alphabet in RFC 3548.
Decoding require compliant input by default, use --ignore-garbage to
attempt to recover from non-alphabet characters (such as newlines) in
the encoded stream.
...
Best regards,
Klaus
--
Klaus Reichl - TAS Platform Technology inet: [email protected]
Thales Austria GmbH voice: +43 (0) 1 27711-3884
Scheydgasse 41 fax: +43 (0) 1 27711-3884
1210 Vienna, Austria http://www.thalesgroup.com
(FN 278233 t - Handelsgericht Wien/Commercial Court Vienna)
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