Re: [RFC 0/3] imap-send curl tunnelling support

> Ping.
>
> I'd like to get feedback from Windows developer on patch #2
> Patch#3 will probably need some updates as I expected Jeff old curl drop patches to make it in.
> As it seems to be going another way a few more ifdefs will be required

>
> Nicolas
>
> Le 09/08/2017 à 16:43, Nicolas Morey-Chaisemartin a écrit :
>> From 7.21.5, curl can be tricked into using an open fd.
>> This series uses this to allow using curl over a tunnel.
>>
>> I have a few doubt on patch #2:
>> - is socketpair working on all git supported system (windows ?)
>> - should socketpair always be used or limited to the curl over tunnel case ?
>>   I don't think there is too much different between an unname pipe and a socketpair but I'm not sure either :)
>>
>> This series also shows a "bug" in curl.
>> When trying out the tunnel example fro imap-send documentation, this happends:
>> Starting tunnel 'ssh -q -C localhost /usr/sbin/imapd ./Maildir'... ok
>> sending 3 messages
>> 16:38:54.055221 http.c:639              == Info: Hostname was NOT found in DNS cache
>> 16:38:54.059505 http.c:639              == Info:   Trying ::1...
>> 16:38:54.059545 http.c:639              == Info: Connected to localhost () port 143 (#0)
>> 16:38:54.354379 http.c:586              <= Recv header, 0000000332 bytes (0x0000014c)
>> 16:38:54.354405 http.c:598              <= Recv header: * PREAUTH [CAPABILITY IMAP4REV1 I18NLEVEL=1 LITERAL+ IDLE UIDPLUS NAMESPACE CHILDREN MAILBOX-REFERRALS BINARY UNSELECT ESEARCH WITHIN SCAN SORT THREAD=REFERENCES THREAD=ORDEREDSUBJECT MULTIAPPEND] Pre-authenticated user nmorey portia.home.nicolas.morey-chaisemartin.com IMAP4rev1 2007e.404 at Wed, 9 Aug 2017 16:38:54 +0200 (CEST)
>> 16:38:54.354425 http.c:639              == Info: Bad tagged response
>> 16:38:54.354448 http.c:639              == Info: Closing connection 0
>> curl_easy_perform() failed: FTP: weird server reply
>>
>> It appears curl do not support the PREAUTH tag.
>>
>> However a test with "nc imap.server.ext 143" is working fine.
>>
>> Nicolas Morey-Chaisemartin (3):
>>   imap-send: move tunnel setup to its own function
>>   imap-send: use a socketpair instead of pipe to communicate with the
>>     tunnel
>>   imap_send: add support for curl over tunnel
>>
>>  Documentation/git-imap-send.txt |  4 +-
>>  imap-send.c                     | 91 +++++++++++++++++++++++++++++++----------
>>  2 files changed, 72 insertions(+), 23 deletions(-)
>>
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