Bugs item #2913886, was opened at 2009-12-13 16:07
Message generated for change (Tracker Item Submitted) made by jnelson
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Category: libcurl
Group: wrong behaviour
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Jon Nelson (jnelson)
Assigned to: Daniel Stenberg (bagder)
Summary: proxy and ftp - never issues request

Initial Comment:
curl 7.19.6 on openSUSE 11.2, connecting via ftp through a squid proxy.

I noticed a problem attempting to fetch from an ftp resources that curl appeared to connect and then do nothing until it eventually timed out.
Suspecting some other problem, I tried aria2, wget, and firefox -- all of which worked just fine.

So I strace'd curl and this is what I get (the proxy is 192.168.1.1 port 3128):
...

10137 16:03:52.937144 socket(PF_INET, SOCK_STREAM, IPPROTO_TCP) = 3 <0.000020>
10137 16:03:52.937229 setsockopt(3, SOL_SOCKET, SO_KEEPALIVE, [1], 4) = 0 <0.000015>
10137 16:03:52.937290 fcntl(3, F_GETFL) = 0x2 (flags O_RDWR) <0.000012>
10137 16:03:52.937340 fcntl(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0 <0.000011>
10137 16:03:52.937394 connect(3, {sa_family=AF_INET, sin_port=htons(3128), sin_addr=inet_addr("192.168.1.1")}, 16) = -1 EINPROGRESS (Operation now in progress) <0.000057>
10137 16:03:52.937516 poll([{fd=3, events=POLLOUT}], 1, 299999) = 1 ([{fd=3, revents=POLLOUT}]) <0.000879>
10137 16:03:52.938452 getsockopt(3, SOL_SOCKET, SO_ERROR, [0], [4]) = 0 <0.000012>
10137 16:03:52.938516 poll([{fd=3, events=POLLIN|POLLPRI}], 1, 3600000) = 1 ([{fd=3, revents=POLLIN}]) <29.348688>
10137 16:04:22.287387 recvfrom(3, "", 16384, 0, NULL, NULL) = 0 <0.000028>
10137 16:04:22.287525 close(3) = 0 <0.000079>

followed by curl grumping (error 56).

What I don't understand is why, after the connect is successful, curl doesn't send the proxy anything.

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Received on 2009-12-13