Derek Broughton <auspex(_at_)pointerstop(_dot_)ca> writes:
Due to "issues" with the $%^*!(_at_)# firewall at my client's site, I can't
get
out to my mailbox, directly. So, I'm trying to use fetchmail via ssh in
two hops. This works from home:
poll pointerstop.ca with proto imap
plugin "ssh pointers(_at_)%h /usr/sbin/imapd" auth ssh
user "pointers"
and this works (as user fetchmail) from the client's site:
ssh derek(_at_)io(_dot_)acad(_dot_)athabascau(_dot_)ca \
'ssh pointers(_at_)pointerstop(_dot_)ca /usr/sbin/imapd'
and seems to meet the criteria for a plugin: I can give it imap commands on
stdin and get results on stdout. The ssh keys are configured correctly so
that no passwords are requested.
But this doesn't:
poll pointerstop.ca with proto imap
plugin "ssh derek(_at_)io(_dot_)acad(_dot_)athabascau(_dot_)ca \
'ssh pointers(_at_)pointerstop(_dot_)ca /usr/sbin/imapd'"
auth ssh
user "pointers"
Syslog shows:
socket error while fetching from pointerstop.ca
What am I doing wrong? Is there some really good reason why I can't
do it?
Yes. Line breaks within strings are evil, regardless of the backslash.
I'd say you have hit a bug in fetchmail's configuration file parser.
You can see this when running "fetchmail --configdump | grep -w plugin"
and I bet io.acad... doesn't like \n for a command.
For the nonce, write the plugin command on a single line and it should
work (I hope your mailer doesn't wrap this..., it's one line for poll,
one for plugin, one for auth, one for user, totalling four (4)).
poll pointerstop.ca with proto imap
plugin "ssh derek(_at_)io(_dot_)acad(_dot_)athabascau(_dot_)ca 'ssh
pointers(_at_)pointerstop(_dot_)ca /usr/sbin/imapd'"
auth ssh
user "pointers"
And this is the --configdump excerpt as shown above:
Original (the version you posted):
"plugin":"ssh derek(_at_)io(_dot_)acad(_dot_)athabascau(_dot_)ca \n
'ssh pointers(_at_)pointerstop(_dot_)ca /usr/sbin/imapd'",
====
Revised (my version):
"plugin":"ssh derek(_at_)io(_dot_)acad(_dot_)athabascau(_dot_)ca
'ssh pointers(_at_)pointerstop(_dot_)ca /usr/sbin/imapd'",
This may come as a surprise, and is inconsistent with parsing outside
strings where the backslash at the very end of a line will be silently
ignored, and line feeds can be embedded with \n anyhow, so I'll change
this for fetchmail 6.3.0.
(Cc:ing fetchmail-devel so that Sunil can comment :-)
--
Matthias Andree
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