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authorDaniel Stenberg <daniel@haxx.se>2011-10-21 23:36:54 +0200
committerDaniel Stenberg <daniel@haxx.se>2011-10-21 23:36:54 +0200
commitd7934b8bd49114cbb54f7401742f7fb088e2f796 (patch)
tree35beaeb7e2050d89bb2b59b85f2d25d177e63d39 /perl
parentd67b75c9f9c59ea4adc40d0b333c6047621573ba (diff)
curl_multi_fdset: correct fdset with FTP PORT use
After a PORT has been issued, and the multi handle would switch to the CURLM_STATE_DO_MORE state (which is unique for FTP), libcurl would return the wrong fdset to wait for when curl_multi_fdset() is called. The code would blindly assume that it was waiting for a connect of the second connection, while that isn't true immediately after the PORT command. Also, the function multi.c:domore_getsock() was highly FTP-centric and therefore ugly to keep in protocol-agnostic code. I solved this problem by introducing a new function pointer in the Curl_handler struct called domore_getsock() which is only called during the DOMORE state for protocols that set that pointer. The new ftp.c:ftp_domore_getsock() function now returns fdset info about the control connection's command/response handling while such a state is in use, and goes over to waiting for a writable second connection first once the commands are done. The original problem could be seen by running test 525 and checking the time stamps in the FTP server log. I can verify that this fix at least fixes this problem. Bug: http://curl.haxx.se/mail/lib-2011-10/0250.html Reported by: Gokhan Sengun
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