curl/tests/data/test3206
TheBitBrine e64c28e243
imap: fix custom FETCH commands to handle literal responses
Custom IMAP commands using -X (e.g. 'FETCH 123 BODY[1]') were only
returning the first line of responses containing literals, instead of
the full multi-line body data.

The issue was that custom commands route through imap_perform_list()
and imap_state_listsearch_resp(), which didn't detect or handle IMAP
literal syntax {size}.

This commit adds literal detection to imap_state_listsearch_resp():
- Detects literal syntax {size} in untagged responses
- Writes the response header line containing the literal marker
- Handles any literal body data already in the pingpong buffer
- Sets up transfer layer to read remaining literal data from socket
- Configures maxdownload and transfer size to include header + body
- Initializes pp->overflow to 0 when no buffered data present
- Modifies imap_done() to transition to FETCH_FINAL for custom
  commands that set up downloads

Test 841 and 3206 verify.

Fixes #18847
Reported-by: BohwaZ
Bug: https://github.com/curl/curl/issues/18847
Closes #19246
2025-10-30 08:48:28 +01:00

248 lines
14 KiB
Text

<testcase>
<info>
<keywords>
IMAP
Clear Text
FETCH
CUSTOMREQUEST
</keywords>
</info>
#
# Server-side
<reply>
<data>
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</data>
<datacheck>
* 456 FETCH (BODY[TEXT] {7101}
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</datacheck>
</reply>
#
# Client-side
<client>
<server>
imap
</server>
<name>
IMAP custom FETCH with larger literal response (~7KB)
</name>
<command>
imap://%HOSTIP:%IMAPPORT/%TESTNUMBER/ -u user:secret -X 'FETCH 456 BODY[TEXT]'
</command>
</client>
#
# Verify data after the test has been "shot"
<verify>
<protocol>
A001 CAPABILITY
A002 LOGIN user secret
A003 SELECT %TESTNUMBER
A004 FETCH 456 BODY[TEXT]
A005 LOGOUT
</protocol>
</verify>
</testcase>