FTP test server: NODATACONN commands follow-up
Make NODATACONN425 and NODATACONN421 return a 150 positive preliminary reply before 425 or 421. New NODATACONN150 returns 150 without further positive nor negative reply Now NODATACONN doesn't reply anything at all.
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Yang Tse
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@ -135,6 +135,7 @@ my $nosave; # set if ftp server should not save uploaded data
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my $nodataconn; # set if ftp srvr doesn't establish or accepts data channel
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my $nodataconn425; # set if ftp srvr doesn't establish data ch and replies 425
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my $nodataconn421; # set if ftp srvr doesn't establish data ch and replies 421
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my $nodataconn150; # set if ftp srvr doesn't establish data ch and replies 150
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my %customreply; #
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my %customcount; #
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my %delayreply; #
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@ -832,13 +833,19 @@ my @ftpdir=("total 20\r\n",
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if($datasockf_conn eq 'no') {
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if($nodataconn425) {
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sendcontrol "150 Opening data connection\r\n";
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sendcontrol "425 Can't open data connection\r\n";
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}
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elsif($nodataconn421) {
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sendcontrol "150 Opening data connection\r\n";
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sendcontrol "421 Connection timed out\r\n";
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}
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elsif($nodataconn150) {
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sendcontrol "150 Opening data connection\r\n";
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# client shall timeout
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}
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else {
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sendcontrol "503 data channel not established\r\n";
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# client shall timeout
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}
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return 0;
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}
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@ -861,13 +868,19 @@ sub NLST_ftp {
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if($datasockf_conn eq 'no') {
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if($nodataconn425) {
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sendcontrol "150 Opening data connection\r\n";
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sendcontrol "425 Can't open data connection\r\n";
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}
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elsif($nodataconn421) {
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sendcontrol "150 Opening data connection\r\n";
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sendcontrol "421 Connection timed out\r\n";
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}
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elsif($nodataconn150) {
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sendcontrol "150 Opening data connection\r\n";
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# client shall timeout
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}
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else {
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sendcontrol "503 data channel not established\r\n";
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# client shall timeout
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}
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return 0;
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}
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@ -977,13 +990,19 @@ sub RETR_ftp {
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if($datasockf_conn eq 'no') {
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if($nodataconn425) {
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sendcontrol "150 Opening data connection\r\n";
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sendcontrol "425 Can't open data connection\r\n";
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}
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elsif($nodataconn421) {
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sendcontrol "150 Opening data connection\r\n";
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sendcontrol "421 Connection timed out\r\n";
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}
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elsif($nodataconn150) {
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sendcontrol "150 Opening data connection\r\n";
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# client shall timeout
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}
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else {
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sendcontrol "503 data channel not established\r\n";
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# client shall timeout
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}
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return 0;
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}
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@ -1084,13 +1103,19 @@ sub STOR_ftp {
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if($datasockf_conn eq 'no') {
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if($nodataconn425) {
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sendcontrol "150 Opening data connection\r\n";
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sendcontrol "425 Can't open data connection\r\n";
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}
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elsif($nodataconn421) {
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sendcontrol "150 Opening data connection\r\n";
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sendcontrol "421 Connection timed out\r\n";
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}
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elsif($nodataconn150) {
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sendcontrol "150 Opening data connection\r\n";
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# client shall timeout
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}
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else {
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sendcontrol "503 data channel not established\r\n";
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# client shall timeout
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}
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return 0;
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}
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@ -1238,12 +1263,13 @@ sub PASV_ftp {
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}
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if($nodataconn) {
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logmsg "DATA sockfilt for passive data channel (NODATACONN) ".
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"bound on port $pasvport\n";
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my $str = nodataconn_str();
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logmsg "DATA sockfilt for passive data channel ($str) bound on port ".
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"$pasvport\n";
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}
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else {
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logmsg "DATA sockfilt for passive data channel listens on port ".
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"$pasvport\n";
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logmsg "DATA sockfilt for passive data channel listens on port ".
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"$pasvport\n";
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}
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if($cmd ne "EPSV") {
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@ -1265,7 +1291,8 @@ sub PASV_ftp {
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"will be accepted on port $pasvport\n";
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if($nodataconn) {
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logmsg "====> Client fooled (NODATACONN)\n";
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my $str = nodataconn_str();
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logmsg "====> Client fooled ($str)\n";
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return;
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}
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@ -1367,23 +1394,8 @@ sub PORT_ftp {
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}
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if($nodataconn) {
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logmsg "DATA sockfilt for active data channel not started ".
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"(NODATACONN)\n";
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datasockf_state('ACTIVE_NODATACONN');
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logmsg "====> Active DATA channel not established\n";
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# client shall timeout awaiting connection from server
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return;
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}
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elsif($nodataconn425) {
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logmsg "DATA sockfilt for active data channel not started ".
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"(NODATACONN425)\n";
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datasockf_state('ACTIVE_NODATACONN');
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logmsg "====> Active DATA channel not established\n";
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return;
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}
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elsif($nodataconn421) {
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logmsg "DATA sockfilt for active data channel not started ".
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"(NODATACONN421)\n";
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my $str = nodataconn_str();
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logmsg "DATA sockfilt for active data channel not started ($str)\n";
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datasockf_state('ACTIVE_NODATACONN');
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logmsg "====> Active DATA channel not established\n";
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return;
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@ -1485,6 +1497,20 @@ sub datasockf_state {
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}
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}
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#**********************************************************************
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# nodataconn_str returns string of efective nodataconn command. Notice
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# that $nodataconn may be set alone or in addition to a $nodataconnXXX.
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#
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sub nodataconn_str {
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my $str;
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# order matters
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$str = 'NODATACONN' if($nodataconn);
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$str = 'NODATACONN425' if($nodataconn425);
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$str = 'NODATACONN421' if($nodataconn421);
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$str = 'NODATACONN150' if($nodataconn150);
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return "$str";
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}
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#**********************************************************************
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# customize configures test server operation for each curl test, reading
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# configuration commands/parameters from server commands file each time
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@ -1501,6 +1527,7 @@ sub customize {
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$nodataconn = 0; # default is to establish or accept data channel
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$nodataconn425 = 0; # default is to not send 425 without data channel
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$nodataconn421 = 0; # default is to not send 421 without data channel
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$nodataconn150 = 0; # default is to not send 150 without data channel
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%customreply = (); #
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%customcount = (); #
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%delayreply = (); #
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@ -1546,11 +1573,19 @@ sub customize {
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# applies to both active and passive FTP modes
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logmsg "FTPD: instructed to use NODATACONN425\n";
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$nodataconn425=1;
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$nodataconn=1;
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}
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elsif($_ =~ /NODATACONN421/) {
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# applies to both active and passive FTP modes
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logmsg "FTPD: instructed to use NODATACONN421\n";
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$nodataconn421=1;
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$nodataconn=1;
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}
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elsif($_ =~ /NODATACONN150/) {
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# applies to both active and passive FTP modes
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logmsg "FTPD: instructed to use NODATACONN150\n";
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$nodataconn150=1;
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$nodataconn=1;
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}
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elsif($_ =~ /NODATACONN/) {
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# applies to both active and passive FTP modes
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