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Added imap_custom(), which initiates the custom command processing,
and an associated response handler imap_state_custom_resp(), which
handles any responses by sending them to the client as body data.
All untagged responses with the same name as the first word of the
custom request string are accepted, with the exception of SELECT and
EXAMINE which have responses that cannot be easily identified. An
extra check has been provided for them so that any untagged responses
are accepted for them.
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Updated pop3 code following recent imap changes.
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Added imap_parse_custom_request() for parsing the CURLOPT_CUSTOMREQUEST
parameter which URL decodes the value and separates the request from
any parameters - This makes it easier to filter untagged responses
by the request command.
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Added custom request parameters to the per-request structure.
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Minor tidy up of code layout and comments following recent changes.
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Introduced the result code variable to simplify the state changes and
remove the hard returns.
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For consistency changed the logic of the imap_state_append_resp()
function to test for an unsucessful continuation response rather than a
succesful one.
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For consistency changed two if(constant != imapcode) tests to be
if(imapcode != constant).
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Added logic in imap_perform() to perform an APPEND rather than SELECT
and FETCH if an upload has been specified.
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The APPEND operation needs to be performed in several steps:
1) We send "<tag> APPEND <mailbox> <flags> {<size>}\r\n"
2) Server responds with continuation respose "+ ...\r\n"
3) We start the transfer and send <size> bytes of data
4) Only now we end the request command line by sending "\r\n"
5) Server responds with "<tag> OK ...\r\n"
This commit performs steps 4 and 5, in the DONE phase, as more
processing is required after the transfer.
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Added imap_append() function to initiate upload and imap_append_resp()
to handle the continuation response and start the transfer.
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Add number of bytes retrieved from the PP cache to req.bytecount and set
req.maxdownload only when starting a proper download.
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Added safer parsing of the untagged FETCH response line and the size of
continuation data.
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Accidentally lost the result code in imap_state_capability() and
imap_state_login() with commit b06a78622609.
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Some state changes would be performed after a failure test that
performed a hard return, whilst others would be performed within a test
for success. Updated the code, for consistency, so all instances are
performed within a success test.
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Small tidy up to keep some comments consistant across each of the email
protocols.
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Removed superfluous NULL assignment after Curl_safefree() and rewrote
some comments and logging messages.
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Following commit ad3177da24b8 corrected the debug message in state()
from AUTH to AUTH_FINAL.
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Following commit afad1ce753a1 corrected the debug message in state()
from AUTH to AUTH_FINAL.
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Following commit 13006f3de9ec corrected the debug message in state()
from AUTHENTICATE to AUTHENTICATE_FINAL.
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If the FETCH command does not result in an untagged response the the
UID is probably invalid. As such do not return CURLE_OK.
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Not processing the final FETCH responses was not optimal, not only
because the response code would be ignored but it would also leave data
unread on the socket which would prohibit connection reuse.
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A typical FETCH response can be broken down into four parts:
1) "* <uid> FETCH (<what> {<size>}\r\n", using continuation syntax
2) <size> bytes of the actual message
3) ")\r\n", finishing the untagged response
4) "<tag> OK ...", finishing the command
Part 1 is read in imap_fetch_resp(), part 2 is consumed in the PERFORM
phase by the transfer subsystem, parts 3 and 4 are currently ignored.
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Removed whitespace from imap_perform()
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error: declaration of 'imap' shadows a previous local
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Changed the final SMTP_AUTH constant to SMTP_AUTH_FINAL for consistency
with the response function.
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Changed the final POP3_AUTH constant to POP3_AUTH_FINAL for consistency
with the response function.
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Changed the final IMAP_AUTHENTICATE constant to IMAP_AUTHENTICATE_FINAL
for consistency with the response function.
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Updated the coding style, in this function, to be consistant with other
response functions rather then performing a hard return on failure.
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Reversed the logic of the unsuccessful vs successful tagged SELECT
response in imap_state_select_resp() to be more logical to read.
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Reversed the logic of the unsuccessful vs successful tagged CAPABILITY
response in imap_state_capability_resp() to be more logical to read.
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Corrected char* references made in commit: 709b3506cd9b.
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Added a loop to imap_statemach_act() in which Curl_pp_readresp() is
called until the cache is drained. Without this multiple responses
received in a single packet could result in a hang or delay.
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Added storage and checking of the last mailbox userd to prevent
unnecessary switching.
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Added the mailbox variable to the per-connection structure in
preparation for checking for an already selected mailbox.
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Reordered the state and ssl_done variables in order to provide more
consistency between the email protocols as well as for for an upcoming
change.
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Added support for checking the UIDVALIDITY, and aborting the request, if
it has been specified in the URL and the server response is different.
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Added support for parsing the UIDVALIDITY property from the SELECT
response and storing it in the per-connection structure.
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Added the mailbox_uidvalidity variable to the per-connection structure
in preparation for checking the UIDVALIDITY mailbox attribute.
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Only responses that contain "CAPABILITY" and "FETCH", respectively,
will be sent to their response handler.
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