Ernesto Alfonso <erjoalgo@xxxxxxxxx> writes: > When editing ~/.ssh/authorized_keys manually, sometimes users forget > to add a newline at the end of the file, causing the next ssh-copy-id > call to append a new key to an existing key, invalidating both keys. > > This can be fixed by simply adding a newline before appending the key. > > Something like this change to > openssh-source/openssh-6.7p1/contrib/ssh-copy-id might work: This seems like it should do no harm (given that sshd(8) declares that blank lines are ignored as comments), although I'd instead do it by adding a \n to the printf, thus: [ "$DRY_RUN" ] || printf '\n%s\n' "$NEW_IDS" | ssh ... Is anyone going to be upset by the resulting blank lines being added by ssh-copy-id when the file was not missing a terminating newline? Cheers, Phil. -- |)| Philip Hands [+44 (0)20 8530 9560] HANDS.COM Ltd. |-| http://www.hands.com/ http://ftp.uk.debian.org/ |(| Hugo-Klemm-Strasse 34, 21075 Hamburg, GERMANY
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