Commit 28427b40 authored by Steve Holme's avatar Steve Holme
Browse files

ftpserver: Reworked CAPA support to allow for specifying the capabilities

Renamed SUPPORTCAPA to CAPA and added support for specifying a list of
supported capabilities to return to the client.

Additionally added the directive to the FILEFORMAT document.
parent 131649a1
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+3 −0
Original line number Diff line number Diff line
@@ -125,6 +125,9 @@ SLOWDOWN
 - Send FTP responses with 0.01 sec delay between each byte
PASVBADIP
 - makes PASV send back an illegal IP in its 227 response
CAPA [capabilities]
 - Enables support for and specifies a list of space separated capabilities to
   return to the client for the IMAP CAPABILITY and POP3 CAPA commands

For HTTP/HTTPS:
auth_required   if this is set and a POST/PUT is made without auth, the
+33 −14
Original line number Diff line number Diff line
@@ -138,7 +138,7 @@ my $nodataconn; # set if ftp srvr doesn't establish or accepts data channel
my $nodataconn425; # set if ftp srvr doesn't establish data ch and replies 425
my $nodataconn421; # set if ftp srvr doesn't establish data ch and replies 421
my $nodataconn150; # set if ftp srvr doesn't establish data ch and replies 150
my $support_capa;  # set if server supports capability command
my @capabilities;  # set if server supports capability commands
my $support_auth;  # set if server supports authentication command
my %customreply;   #
my %customcount;   #
@@ -777,18 +777,27 @@ sub fix_imap_params {

sub CAPABILITY_imap {
    my ($testno) = @_;
    my $data;

    if(!$support_capa) {
    if(!$capabilities) {
        sendcontrol "$cmdid BAD Command\r\n";
    }
    else {
        my $data;

        # Calculate the CAPABILITY response
        $data = "* CAPABILITY IMAP4";

        for my $c (@capabilities) {
            $data .= " $c";
        }

        if($support_auth) {
            $data .= " AUTH=UNKNOWN";
        }

        $data .= " pingpong test server\r\n";

        # Send the CAPABILITY response
        sendcontrol $data;
        sendcontrol "$cmdid OK CAPABILITY completed\r\n";
    }
@@ -1190,25 +1199,35 @@ sub LOGOUT_imap {

sub CAPA_pop3 {
    my ($testno) = @_;
    my @data = ();

    if(!$support_capa) {
        push @data, "-ERR Unsupported command: 'CAPA'\r\n";
    if(!$capabilities) {
        sendcontrol "-ERR Unsupported command: 'CAPA'\r\n";
    }
    else {
        my @data = ();

        # Calculate the CAPA response
        push @data, "+OK List of capabilities follows\r\n";
        push @data, "USER\r\n";

        for my $c (@capabilities) {
            push @data, "$c\r\n";
        }

        if($support_auth) {
            push @data, "SASL UNKNOWN\r\n";
        }

        push @data, "IMPLEMENTATION POP3 pingpong test server\r\n";
        push @data, ".\r\n";
    }

        # Send the CAPA response
        for my $d (@data) {
            sendcontrol $d;
        }

        # End with the magic 3-byte end of listing marker
        sendcontrol ".\r\n";
    }

    return 0;
}

@@ -2126,7 +2145,7 @@ sub customize {
    $nodataconn425 = 0; # default is to not send 425 without data channel
    $nodataconn421 = 0; # default is to not send 421 without data channel
    $nodataconn150 = 0; # default is to not send 150 without data channel
    $support_capa = 0;  # default is to not support capability command
    @capabilities = (); # default is to not support capability commands
    $support_auth = 0;  # default is to not support authentication command
    %customreply = ();  #
    %customcount = ();  #
@@ -2192,9 +2211,9 @@ sub customize {
            logmsg "FTPD: instructed to use NODATACONN\n";
            $nodataconn=1;
        }
        elsif($_ =~ /SUPPORTCAPA/) {
        elsif($_ =~ /CAPA (.*)/) {
            logmsg "FTPD: instructed to support CAPABILITY command\n";
            $support_capa=1;
            @capabilities = split(/ /, $1);
        }
        elsif($_ =~ /SUPPORTAUTH/) {
            logmsg "FTPD: instructed to support AUTHENTICATION command\n";