Hi, a new patch is included in this mail (pre-pre-alpha!) for adding ftp support to stunnel-4.11 here are some notes: 1) only tested under linux. debian 3.1 (testing), gcc version 3.3.5 (Debian 1:3.3.5-13) 2) ftp_alloc_port() in ftp.c is not yet finished. just a demo; 3) works with both ucontext and pthread 4) libwrap support is not tested. should be OK. inted support is not tested, but it should be OK too (no related code changed); 5) still contains memory leaks. 6) client compatibility test: just FlashFXP 3 (implicit ssl, secure both list and data transfer) now. 7) bug #7 in last mail is resolved. client compatibility test and bug reports are welcome. ZHUANG YUYAO wrote:

hi,

here is the initial patch (pre-pre-pre-alpha! just a demo/test) for adding ftp support to stunnel-4.11.

Known bugs: 1) only tested under linux. debian 3.1 (testing), gcc version 3.3.5 (Debian 1:3.3.5-13) 2) ftp_alloc_port() in ftp.c is not yet finished. just a demo; 3) only works when configured with --with-threads=ucontext. does not work with --with-threads=pthread! 4) libwrap support is not tested. 5) only tested with flashfxp (3.0.2 build(1043) implicit SSL); 6) still contains memory leaks. 7) can only successfully transfer(RETR) small files whose size is less than about 90K bytes. stunnel hangs while transferring a larger file, looks like poll() in scan_waiting_queue() (network.c line 164) can not receive a POLLOUT event from ssl_wfd->fd after successfully transfered 90K bytes. the log file is also included in this mail.

bug #7 really frustrats me. still do not know why. could anyone please give me some hints?

Zhuang Yuyao.

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