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ftp_domore_getsock: when passive mode, the second conn is already there

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This makes the socket callback get called with the proper bitmask as
otherwise the application could be left hanging waiting for reading on
an upload connection!

Bug: http://curl.haxx.se/mail/lib-2013-08/0043.html
Reported-by: Bill Doyle
This commit is contained in:
Daniel Stenberg 2013-08-14 20:36:03 +02:00
parent 0b4557f766
commit f584312e81
1 changed files with 7 additions and 5 deletions
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12
lib/ftp.c
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@ -877,11 +877,13 @@ static int ftp_domore_getsock(struct connectdata *conn, curl_socket_t *socks,
remote site, or we could wait for that site to connect to us. Or just remote site, or we could wait for that site to connect to us. Or just
handle ordinary commands. handle ordinary commands.
When waiting for a connect, we can be in FTP_STOP state (or we're in When waiting for a connect (in PORT mode), we can be in FTP_STOP state
FTP_STOR when we do an upload) and then we wait for the secondary socket (or we're in FTP_STOR when we do an upload) and then we wait for the
to become writeable. . If we're in another state, we're still handling secondary socket to become writeable. If we're in STOR or STOP in passive
commands on the control (primary) connection. mode, we already have the seconnd connection done.
If we're in another state, we're still handling commands on the control
(primary) connection.
*/ */
switch(ftpc->state) { switch(ftpc->state) {
@ -893,7 +895,7 @@ static int ftp_domore_getsock(struct connectdata *conn, curl_socket_t *socks,
} }
socks[0] = conn->sock[SECONDARYSOCKET]; socks[0] = conn->sock[SECONDARYSOCKET];
if(ftpc->wait_data_conn) { if(ftpc->wait_data_conn || !conn->data->set.ftp_use_port) {
socks[1] = conn->sock[FIRSTSOCKET]; socks[1] = conn->sock[FIRSTSOCKET];
return GETSOCK_READSOCK(0) | GETSOCK_READSOCK(1); return GETSOCK_READSOCK(0) | GETSOCK_READSOCK(1);
} }