mirror of
https://github.com/moparisthebest/curl
synced 2024-11-08 18:45:05 -05:00
ef1c18b952
Added tests for a number of POP3 LIST operations, including one that shows a curl problem when listing no messages, so is disabled.
1599 lines
43 KiB
Perl
Executable File
1599 lines
43 KiB
Perl
Executable File
#!/usr/bin/env perl
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#***************************************************************************
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# _ _ ____ _
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# Project ___| | | | _ \| |
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# / __| | | | |_) | |
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# | (__| |_| | _ <| |___
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# \___|\___/|_| \_\_____|
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#
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# Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
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#
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# This software is licensed as described in the file COPYING, which
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# you should have received as part of this distribution. The terms
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# are also available at http://curl.haxx.se/docs/copyright.html.
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#
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# You may opt to use, copy, modify, merge, publish, distribute and/or sell
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# copies of the Software, and permit persons to whom the Software is
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# furnished to do so, under the terms of the COPYING file.
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#
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# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# KIND, either express or implied.
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#
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###########################################################################
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# This is a server designed for the curl test suite.
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#
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# In December 2009 we started remaking the server to support more protocols
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# that are similar in spirit. Like POP3, IMAP and SMTP in addition to the FTP
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# it already supported since a long time. Note that it still only supports one
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# protocol per invoke. You need to start multiple servers to support multiple
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# protocols simultaneously.
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#
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# It is meant to exercise curl, it is not meant to be a fully working
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# or even very standard compliant server.
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#
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# You may optionally specify port on the command line, otherwise it'll
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# default to port 8921.
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#
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# All socket/network/TCP related stuff is done by the 'sockfilt' program.
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#
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BEGIN {
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@INC=(@INC, $ENV{'srcdir'}, '.');
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# sub second timestamping needs Time::HiRes
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eval {
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no warnings "all";
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require Time::HiRes;
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import Time::HiRes qw( gettimeofday );
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}
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}
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use strict;
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use warnings;
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use IPC::Open2;
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require "getpart.pm";
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require "ftp.pm";
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require "directories.pm";
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use serverhelp qw(
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servername_str
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server_pidfilename
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server_logfilename
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mainsockf_pidfilename
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mainsockf_logfilename
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datasockf_pidfilename
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datasockf_logfilename
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);
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#**********************************************************************
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# global vars...
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#
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my $verbose = 0; # set to 1 for debugging
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my $idstr = ""; # server instance string
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my $idnum = 1; # server instance number
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my $ipvnum = 4; # server IPv number (4 or 6)
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my $proto = 'ftp'; # default server protocol
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my $srcdir; # directory where ftpserver.pl is located
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my $srvrname; # server name for presentation purposes
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my $grok_eprt;
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my $path = '.';
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my $logdir = $path .'/log';
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#**********************************************************************
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# global vars used for server address and primary listener port
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#
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my $port = 8921; # default primary listener port
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my $listenaddr = '127.0.0.1'; # default address for listener port
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#**********************************************************************
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# global vars used for file names
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#
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my $pidfile; # server pid file name
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my $logfile; # server log file name
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my $mainsockf_pidfile; # pid file for primary connection sockfilt process
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my $mainsockf_logfile; # log file for primary connection sockfilt process
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my $datasockf_pidfile; # pid file for secondary connection sockfilt process
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my $datasockf_logfile; # log file for secondary connection sockfilt process
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#**********************************************************************
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# global vars used for server logs advisor read lock handling
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#
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my $SERVERLOGS_LOCK = 'log/serverlogs.lock';
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my $serverlogslocked = 0;
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#**********************************************************************
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# global vars used for child processes PID tracking
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#
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my $sfpid; # PID for primary connection sockfilt process
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my $slavepid; # PID for secondary connection sockfilt process
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#**********************************************************************
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# global typeglob filehandle vars to read/write from/to sockfilters
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#
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local *SFREAD; # used to read from primary connection
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local *SFWRITE; # used to write to primary connection
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local *DREAD; # used to read from secondary connection
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local *DWRITE; # used to write to secondary connection
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#**********************************************************************
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# global vars which depend on server protocol selection
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#
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my %commandfunc; # protocol command specific function callbacks
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my %displaytext; # text returned to client before callback runs
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my @welcome; # text returned to client upon connection
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#**********************************************************************
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# global vars customized for each test from the server commands file
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#
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my $ctrldelay; # set if server should throttle ctrl stream
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my $datadelay; # set if server should throttle data stream
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my $retrweirdo; # set if ftp server should use RETRWEIRDO
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my $retrnosize; # set if ftp server should use RETRNOSIZE
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my $pasvbadip; # set if ftp server should use PASVBADIP
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my $nosave; # set if ftp server should not save uploaded data
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my %customreply; #
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my %customcount; #
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my %delayreply; #
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#**********************************************************************
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# global variables for to test ftp wildcardmatching or other test that
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# need flexible LIST responses.. and corresponding files.
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# $ftptargetdir is keeping the fake "name" of LIST directory.
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my $ftplistparserstate;
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my $ftptargetdir;
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#**********************************************************************
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# global vars used for signal handling
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#
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my $got_exit_signal = 0; # set if program should finish execution ASAP
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my $exit_signal; # first signal handled in exit_signal_handler
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#**********************************************************************
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# exit_signal_handler will be triggered to indicate that the program
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# should finish its execution in a controlled way as soon as possible.
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# For now, program will also terminate from within this handler.
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#
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sub exit_signal_handler {
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my $signame = shift;
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# For now, simply mimic old behavior.
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killsockfilters($proto, $ipvnum, $idnum, $verbose);
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unlink($pidfile);
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if($serverlogslocked) {
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$serverlogslocked = 0;
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clear_advisor_read_lock($SERVERLOGS_LOCK);
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}
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exit;
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}
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#**********************************************************************
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# logmsg is general message logging subroutine for our test servers.
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#
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sub logmsg {
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my $now;
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# sub second timestamping needs Time::HiRes
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if($Time::HiRes::VERSION) {
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my ($seconds, $usec) = gettimeofday();
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my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) =
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localtime($seconds);
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$now = sprintf("%02d:%02d:%02d.%06d ", $hour, $min, $sec, $usec);
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}
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else {
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my $seconds = time();
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my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) =
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localtime($seconds);
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$now = sprintf("%02d:%02d:%02d ", $hour, $min, $sec);
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}
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if(open(LOGFILEFH, ">>$logfile")) {
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print LOGFILEFH $now;
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print LOGFILEFH @_;
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close(LOGFILEFH);
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}
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}
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sub ftpmsg {
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# append to the server.input file
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open(INPUT, ">>log/server$idstr.input") ||
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logmsg "failed to open log/server$idstr.input\n";
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print INPUT @_;
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close(INPUT);
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# use this, open->print->close system only to make the file
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# open as little as possible, to make the test suite run
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# better on windows/cygwin
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}
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sub sysread_or_die {
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my $FH = shift;
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my $scalar = shift;
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my $length = shift;
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my $fcaller;
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my $lcaller;
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my $result;
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$result = sysread($$FH, $$scalar, $length);
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if(not defined $result) {
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($fcaller, $lcaller) = (caller)[1,2];
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logmsg "Failed to read input\n";
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logmsg "Error: $srvrname server, sysread error: $!\n";
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logmsg "Exited from sysread_or_die() at $fcaller " .
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"line $lcaller. $srvrname server, sysread error: $!\n";
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killsockfilters($proto, $ipvnum, $idnum, $verbose);
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unlink($pidfile);
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if($serverlogslocked) {
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$serverlogslocked = 0;
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clear_advisor_read_lock($SERVERLOGS_LOCK);
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}
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exit;
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}
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elsif($result == 0) {
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($fcaller, $lcaller) = (caller)[1,2];
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logmsg "Failed to read input\n";
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logmsg "Error: $srvrname server, read zero\n";
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logmsg "Exited from sysread_or_die() at $fcaller " .
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"line $lcaller. $srvrname server, read zero\n";
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killsockfilters($proto, $ipvnum, $idnum, $verbose);
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unlink($pidfile);
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if($serverlogslocked) {
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$serverlogslocked = 0;
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clear_advisor_read_lock($SERVERLOGS_LOCK);
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}
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exit;
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}
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return $result;
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}
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sub startsf {
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my $mainsockfcmd = "./server/sockfilt " .
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"--ipv$ipvnum --port $port " .
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"--pidfile \"$mainsockf_pidfile\" " .
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"--logfile \"$mainsockf_logfile\"";
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$sfpid = open2(*SFREAD, *SFWRITE, $mainsockfcmd);
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print STDERR "$mainsockfcmd\n" if($verbose);
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print SFWRITE "PING\n";
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my $pong;
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sysread_or_die(\*SFREAD, \$pong, 5);
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if($pong !~ /^PONG/) {
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logmsg "Failed sockfilt command: $mainsockfcmd\n";
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killsockfilters($proto, $ipvnum, $idnum, $verbose);
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unlink($pidfile);
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if($serverlogslocked) {
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$serverlogslocked = 0;
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clear_advisor_read_lock($SERVERLOGS_LOCK);
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}
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die "Failed to start sockfilt!";
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}
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}
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sub sockfilt {
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my $l;
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foreach $l (@_) {
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printf SFWRITE "DATA\n%04x\n", length($l);
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print SFWRITE $l;
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}
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}
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sub sockfiltsecondary {
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my $l;
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foreach $l (@_) {
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printf DWRITE "DATA\n%04x\n", length($l);
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print DWRITE $l;
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}
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}
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# Send data to the client on the control stream, which happens to be plain
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# stdout.
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sub sendcontrol {
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if(!$ctrldelay) {
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# spit it all out at once
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sockfilt @_;
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}
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else {
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my $a = join("", @_);
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my @a = split("", $a);
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for(@a) {
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sockfilt $_;
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select(undef, undef, undef, 0.01);
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}
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}
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my $log;
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foreach $log (@_) {
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my $l = $log;
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$l =~ s/[\r\n]//g;
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logmsg "> \"$l\"\n";
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}
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}
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# Send data to the client on the data stream
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sub senddata {
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my $l;
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foreach $l (@_) {
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if(!$datadelay) {
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# spit it all out at once
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sockfiltsecondary $l;
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}
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else {
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# pause between each byte
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for (split(//,$l)) {
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sockfiltsecondary $_;
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select(undef, undef, undef, 0.01);
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}
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}
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}
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}
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#**********************************************************************
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# protocolsetup initializes the 'displaytext' and 'commandfunc' hashes
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# for the given protocol. References to protocol command callbacks are
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# stored in 'commandfunc' hash, and text which will be returned to the
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# client before the command callback runs is stored in 'displaytext'.
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#
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sub protocolsetup {
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my $proto = $_[0];
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if($proto eq 'ftp') {
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%commandfunc = (
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'PORT' => \&PORT_ftp,
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'EPRT' => \&PORT_ftp,
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'LIST' => \&LIST_ftp,
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'NLST' => \&NLST_ftp,
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'PASV' => \&PASV_ftp,
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'CWD' => \&CWD_ftp,
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'PWD' => \&PWD_ftp,
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'EPSV' => \&PASV_ftp,
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'RETR' => \&RETR_ftp,
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'SIZE' => \&SIZE_ftp,
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'REST' => \&REST_ftp,
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'STOR' => \&STOR_ftp,
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'APPE' => \&STOR_ftp, # append looks like upload
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'MDTM' => \&MDTM_ftp,
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);
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%displaytext = (
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'USER' => '331 We are happy you popped in!',
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'PASS' => '230 Welcome you silly person',
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'PORT' => '200 You said PORT - I say FINE',
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'TYPE' => '200 I modify TYPE as you wanted',
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'LIST' => '150 here comes a directory',
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'NLST' => '150 here comes a directory',
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'CWD' => '250 CWD command successful.',
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'SYST' => '215 UNIX Type: L8', # just fake something
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'QUIT' => '221 bye bye baby', # just reply something
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'MKD' => '257 Created your requested directory',
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'REST' => '350 Yeah yeah we set it there for you',
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'DELE' => '200 OK OK OK whatever you say',
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'RNFR' => '350 Received your order. Please provide more',
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'RNTO' => '250 Ok, thanks. File renaming completed.',
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'NOOP' => '200 Yes, I\'m very good at doing nothing.',
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'PBSZ' => '500 PBSZ not implemented',
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'PROT' => '500 PROT not implemented',
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);
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@welcome = (
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'220- _ _ ____ _ '."\r\n",
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'220- ___| | | | _ \| | '."\r\n",
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'220- / __| | | | |_) | | '."\r\n",
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'220- | (__| |_| | _ <| |___ '."\r\n",
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'220 \___|\___/|_| \_\_____|'."\r\n"
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);
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}
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elsif($proto eq 'pop3') {
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%commandfunc = (
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'RETR' => \&RETR_pop3,
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'LIST' => \&LIST_pop3,
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);
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%displaytext = (
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'USER' => '+OK We are happy you popped in!',
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'PASS' => '+OK Access granted',
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'QUIT' => '+OK byebye',
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);
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@welcome = (
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' _ _ ____ _ '."\r\n",
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' ___| | | | _ \| | '."\r\n",
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' / __| | | | |_) | | '."\r\n",
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' | (__| |_| | _ <| |___ '."\r\n",
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' \___|\___/|_| \_\_____|'."\r\n",
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'+OK cURL POP3 server ready to serve'."\r\n"
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);
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}
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elsif($proto eq 'imap') {
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%commandfunc = (
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'FETCH' => \&FETCH_imap,
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'SELECT' => \&SELECT_imap,
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);
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%displaytext = (
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'LOGIN' => ' OK We are happy you popped in!',
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'SELECT' => ' OK selection done',
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'LOGOUT' => ' OK thanks for the fish',
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);
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@welcome = (
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' _ _ ____ _ '."\r\n",
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' ___| | | | _ \| | '."\r\n",
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' / __| | | | |_) | | '."\r\n",
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' | (__| |_| | _ <| |___ '."\r\n",
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' \___|\___/|_| \_\_____|'."\r\n",
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'* OK cURL IMAP server ready to serve'."\r\n"
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);
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}
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elsif($proto eq 'smtp') {
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%commandfunc = (
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'DATA' => \&DATA_smtp,
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'RCPT' => \&RCPT_smtp,
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);
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%displaytext = (
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'EHLO' => '230 We are happy you popped in!',
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'MAIL' => '200 Note taken',
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'RCPT' => '200 Receivers accepted',
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'QUIT' => '200 byebye',
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);
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@welcome = (
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'220- _ _ ____ _ '."\r\n",
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'220- ___| | | | _ \| | '."\r\n",
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'220- / __| | | | |_) | | '."\r\n",
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'220- | (__| |_| | _ <| |___ '."\r\n",
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'220 \___|\___/|_| \_\_____|'."\r\n"
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);
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}
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}
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|
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sub close_dataconn {
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my ($closed)=@_; # non-zero if already disconnected
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my $datapid = processexists($datasockf_pidfile);
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if(!$closed) {
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logmsg "* disconnect data connection\n";
|
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if($datapid > 0) {
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print DWRITE "DISC\n";
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my $i;
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sysread DREAD, $i, 5;
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}
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}
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else {
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logmsg "data connection already disconnected\n";
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}
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logmsg "=====> Closed data connection\n";
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logmsg "* quit sockfilt for data (pid $datapid)\n";
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if($datapid > 0) {
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print DWRITE "QUIT\n";
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waitpid($datapid, 0);
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unlink($datasockf_pidfile) if(-f $datasockf_pidfile);
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}
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}
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|
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################
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################ SMTP commands
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################
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|
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# what set by "RCPT"
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my $smtp_rcpt;
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|
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sub DATA_smtp {
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my $testno;
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if($smtp_rcpt =~ /^TO:(.*)/) {
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$testno = $1;
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}
|
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else {
|
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return; # failure
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}
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|
|
|
if($testno eq "<verifiedserver>") {
|
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sendcontrol "554 WE ROOLZ: $$\r\n";
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return 0; # don't wait for data now
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}
|
|
else {
|
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$testno =~ s/^([^0-9]*)([0-9]+).*/$2/;
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sendcontrol "354 Show me the mail\r\n";
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}
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logmsg "===> rcpt $testno was $smtp_rcpt\n";
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my $filename = "log/upload.$testno";
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|
|
logmsg "Store test number $testno in $filename\n";
|
|
|
|
open(FILE, ">$filename") ||
|
|
return 0; # failed to open output
|
|
|
|
my $line;
|
|
my $ulsize=0;
|
|
my $disc=0;
|
|
my $raw;
|
|
while (5 == (sysread \*SFREAD, $line, 5)) {
|
|
if($line eq "DATA\n") {
|
|
my $i;
|
|
my $eob;
|
|
sysread \*SFREAD, $i, 5;
|
|
|
|
my $size = 0;
|
|
if($i =~ /^([0-9a-fA-F]{4})\n/) {
|
|
$size = hex($1);
|
|
}
|
|
|
|
sysread \*SFREAD, $line, $size;
|
|
|
|
$ulsize += $size;
|
|
print FILE $line if(!$nosave);
|
|
|
|
$raw .= $line;
|
|
if($raw =~ /\x0d\x0a\x2e\x0d\x0a/) {
|
|
# end of data marker!
|
|
$eob = 1;
|
|
}
|
|
logmsg "> Appending $size bytes to file\n";
|
|
if($eob) {
|
|
logmsg "Found SMTP EOB marker\n";
|
|
last;
|
|
}
|
|
}
|
|
elsif($line eq "DISC\n") {
|
|
# disconnect!
|
|
$disc=1;
|
|
last;
|
|
}
|
|
else {
|
|
logmsg "No support for: $line";
|
|
last;
|
|
}
|
|
}
|
|
if($nosave) {
|
|
print FILE "$ulsize bytes would've been stored here\n";
|
|
}
|
|
close(FILE);
|
|
sendcontrol "250 OK, data received!\r\n";
|
|
logmsg "received $ulsize bytes upload\n";
|
|
|
|
}
|
|
|
|
sub RCPT_smtp {
|
|
my ($args) = @_;
|
|
|
|
$smtp_rcpt = $args;
|
|
}
|
|
|
|
################
|
|
################ IMAP commands
|
|
################
|
|
|
|
# global to allow the command functions to read it
|
|
my $cmdid;
|
|
|
|
# what was picked by SELECT
|
|
my $selected;
|
|
|
|
sub SELECT_imap {
|
|
my ($testno) = @_;
|
|
my @data;
|
|
my $size;
|
|
|
|
logmsg "SELECT_imap got test $testno\n";
|
|
|
|
$selected = $testno;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
sub FETCH_imap {
|
|
my ($testno) = @_;
|
|
my @data;
|
|
my $size;
|
|
|
|
logmsg "FETCH_imap got test $testno\n";
|
|
|
|
$testno = $selected;
|
|
|
|
if($testno =~ /^verifiedserver$/) {
|
|
# this is the secret command that verifies that this actually is
|
|
# the curl test server
|
|
my $response = "WE ROOLZ: $$\r\n";
|
|
if($verbose) {
|
|
print STDERR "FTPD: We returned proof we are the test server\n";
|
|
}
|
|
$data[0] = $response;
|
|
logmsg "return proof we are we\n";
|
|
}
|
|
else {
|
|
logmsg "retrieve a mail\n";
|
|
|
|
$testno =~ s/^([^0-9]*)//;
|
|
my $testpart = "";
|
|
if ($testno > 10000) {
|
|
$testpart = $testno % 10000;
|
|
$testno = int($testno / 10000);
|
|
}
|
|
|
|
# send mail content
|
|
loadtest("$srcdir/data/test$testno");
|
|
|
|
@data = getpart("reply", "data$testpart");
|
|
}
|
|
|
|
for (@data) {
|
|
$size += length($_);
|
|
}
|
|
|
|
sendcontrol "* FETCH starts {$size}\r\n";
|
|
|
|
for my $d (@data) {
|
|
sendcontrol $d;
|
|
}
|
|
|
|
sendcontrol "$cmdid OK FETCH completed\r\n";
|
|
|
|
return 0;
|
|
}
|
|
|
|
################
|
|
################ POP3 commands
|
|
################
|
|
|
|
sub RETR_pop3 {
|
|
my ($testno) = @_;
|
|
my @data;
|
|
|
|
if($testno =~ /^verifiedserver$/) {
|
|
# this is the secret command that verifies that this actually is
|
|
# the curl test server
|
|
my $response = "WE ROOLZ: $$\r\n";
|
|
if($verbose) {
|
|
print STDERR "FTPD: We returned proof we are the test server\n";
|
|
}
|
|
$data[0] = $response;
|
|
logmsg "return proof we are we\n";
|
|
}
|
|
else {
|
|
logmsg "retrieve a mail\n";
|
|
|
|
$testno =~ s/^([^0-9]*)//;
|
|
my $testpart = "";
|
|
if ($testno > 10000) {
|
|
$testpart = $testno % 10000;
|
|
$testno = int($testno / 10000);
|
|
}
|
|
|
|
# send mail content
|
|
loadtest("$srcdir/data/test$testno");
|
|
|
|
@data = getpart("reply", "data$testpart");
|
|
}
|
|
|
|
sendcontrol "+OK Mail transfer starts\r\n";
|
|
|
|
for my $d (@data) {
|
|
sendcontrol $d;
|
|
}
|
|
|
|
# end with the magic 5-byte end of mail marker
|
|
sendcontrol "\r\n.\r\n";
|
|
|
|
return 0;
|
|
}
|
|
|
|
sub LIST_pop3 {
|
|
|
|
# this is a built-in fake-message list
|
|
my @pop3list=(
|
|
"1 100\r\n",
|
|
"2 4294967400\r\n", # > 4 GB
|
|
"4 200\r\n", # Note that message 3 is a simulated "deleted" message
|
|
);
|
|
|
|
logmsg "retrieve a message list\n";
|
|
|
|
sendcontrol "+OK Listing starts\r\n";
|
|
|
|
for my $d (@pop3list) {
|
|
sendcontrol $d;
|
|
}
|
|
|
|
# end with the magic 5-byte end of listing marker
|
|
sendcontrol "\r\n.\r\n";
|
|
|
|
return 0;
|
|
}
|
|
|
|
################
|
|
################ FTP commands
|
|
################
|
|
my $rest=0;
|
|
sub REST_ftp {
|
|
$rest = $_[0];
|
|
logmsg "Set REST position to $rest\n"
|
|
}
|
|
|
|
sub switch_directory_goto {
|
|
my $target_dir = $_;
|
|
|
|
if(!$ftptargetdir) {
|
|
$ftptargetdir = "/";
|
|
}
|
|
|
|
if($target_dir eq "") {
|
|
$ftptargetdir = "/";
|
|
}
|
|
elsif($target_dir eq "..") {
|
|
if($ftptargetdir eq "/") {
|
|
$ftptargetdir = "/";
|
|
}
|
|
else {
|
|
$ftptargetdir =~ s/[[:alnum:]]+\/$//;
|
|
}
|
|
}
|
|
else {
|
|
$ftptargetdir .= $target_dir . "/";
|
|
}
|
|
}
|
|
|
|
sub switch_directory {
|
|
my $target_dir = $_[0];
|
|
|
|
if($target_dir eq "/") {
|
|
$ftptargetdir = "/";
|
|
}
|
|
else {
|
|
my @dirs = split("/", $target_dir);
|
|
for(@dirs) {
|
|
switch_directory_goto($_);
|
|
}
|
|
}
|
|
}
|
|
|
|
sub CWD_ftp {
|
|
my ($folder, $fullcommand) = $_[0];
|
|
switch_directory($folder);
|
|
if($ftptargetdir =~ /^\/fully_simulated/) {
|
|
$ftplistparserstate = "enabled";
|
|
}
|
|
else {
|
|
undef $ftplistparserstate;
|
|
}
|
|
}
|
|
|
|
sub PWD_ftp {
|
|
my $mydir;
|
|
$mydir = $ftptargetdir ? $ftptargetdir : "/";
|
|
|
|
if($mydir ne "/") {
|
|
$mydir =~ s/\/$//;
|
|
}
|
|
sendcontrol "257 \"$mydir\" is current directory\r\n";
|
|
}
|
|
|
|
sub LIST_ftp {
|
|
# print "150 ASCII data connection for /bin/ls (193.15.23.1,59196) (0 bytes)\r\n";
|
|
|
|
# this is a built-in fake-dir ;-)
|
|
my @ftpdir=("total 20\r\n",
|
|
"drwxr-xr-x 8 98 98 512 Oct 22 13:06 .\r\n",
|
|
"drwxr-xr-x 8 98 98 512 Oct 22 13:06 ..\r\n",
|
|
"drwxr-xr-x 2 98 98 512 May 2 1996 .NeXT\r\n",
|
|
"-r--r--r-- 1 0 1 35 Jul 16 1996 README\r\n",
|
|
"lrwxrwxrwx 1 0 1 7 Dec 9 1999 bin -> usr/bin\r\n",
|
|
"dr-xr-xr-x 2 0 1 512 Oct 1 1997 dev\r\n",
|
|
"drwxrwxrwx 2 98 98 512 May 29 16:04 download.html\r\n",
|
|
"dr-xr-xr-x 2 0 1 512 Nov 30 1995 etc\r\n",
|
|
"drwxrwxrwx 2 98 1 512 Oct 30 14:33 pub\r\n",
|
|
"dr-xr-xr-x 5 0 1 512 Oct 1 1997 usr\r\n");
|
|
|
|
if($ftplistparserstate) {
|
|
@ftpdir = ftp_contentlist($ftptargetdir);
|
|
}
|
|
|
|
logmsg "pass LIST data on data connection\n";
|
|
for(@ftpdir) {
|
|
senddata $_;
|
|
}
|
|
close_dataconn(0);
|
|
sendcontrol "226 ASCII transfer complete\r\n";
|
|
return 0;
|
|
}
|
|
|
|
sub NLST_ftp {
|
|
my @ftpdir=("file", "with space", "fake", "..", " ..", "funny", "README");
|
|
logmsg "pass NLST data on data connection\n";
|
|
for(@ftpdir) {
|
|
senddata "$_\r\n";
|
|
}
|
|
close_dataconn(0);
|
|
sendcontrol "226 ASCII transfer complete\r\n";
|
|
return 0;
|
|
}
|
|
|
|
sub MDTM_ftp {
|
|
my $testno = $_[0];
|
|
my $testpart = "";
|
|
if ($testno > 10000) {
|
|
$testpart = $testno % 10000;
|
|
$testno = int($testno / 10000);
|
|
}
|
|
|
|
loadtest("$srcdir/data/test$testno");
|
|
|
|
my @data = getpart("reply", "mdtm");
|
|
|
|
my $reply = $data[0];
|
|
chomp $reply if($reply);
|
|
|
|
if($reply && ($reply =~ /^[+-]?\d+$/) && ($reply < 0)) {
|
|
sendcontrol "550 $testno: no such file.\r\n";
|
|
}
|
|
elsif($reply) {
|
|
sendcontrol "$reply\r\n";
|
|
}
|
|
else {
|
|
sendcontrol "500 MDTM: no such command.\r\n";
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
sub SIZE_ftp {
|
|
my $testno = $_[0];
|
|
if($ftplistparserstate) {
|
|
my $size = wildcard_filesize($ftptargetdir, $testno);
|
|
if($size == -1) {
|
|
sendcontrol "550 $testno: No such file or directory.\r\n";
|
|
}
|
|
else {
|
|
sendcontrol "213 $size\r\n";
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
if($testno =~ /^verifiedserver$/) {
|
|
my $response = "WE ROOLZ: $$\r\n";
|
|
my $size = length($response);
|
|
sendcontrol "213 $size\r\n";
|
|
return 0;
|
|
}
|
|
|
|
if($testno =~ /(\d+)\/?$/) {
|
|
$testno = $1;
|
|
}
|
|
else {
|
|
print STDERR "SIZE_ftp: invalid test number: $testno\n";
|
|
return 1;
|
|
}
|
|
|
|
my $testpart = "";
|
|
if($testno > 10000) {
|
|
$testpart = $testno % 10000;
|
|
$testno = int($testno / 10000);
|
|
}
|
|
|
|
loadtest("$srcdir/data/test$testno");
|
|
|
|
my @data = getpart("reply", "size");
|
|
|
|
my $size = $data[0];
|
|
|
|
if($size) {
|
|
if($size > -1) {
|
|
sendcontrol "213 $size\r\n";
|
|
}
|
|
else {
|
|
sendcontrol "550 $testno: No such file or directory.\r\n";
|
|
}
|
|
}
|
|
else {
|
|
$size=0;
|
|
@data = getpart("reply", "data$testpart");
|
|
for(@data) {
|
|
$size += length($_);
|
|
}
|
|
if($size) {
|
|
sendcontrol "213 $size\r\n";
|
|
}
|
|
else {
|
|
sendcontrol "550 $testno: No such file or directory.\r\n";
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
sub RETR_ftp {
|
|
my ($testno) = @_;
|
|
|
|
if($ftplistparserstate) {
|
|
my @content = wildcard_getfile($ftptargetdir, $testno);
|
|
if($content[0] == -1) {
|
|
#file not found
|
|
}
|
|
else {
|
|
my $size = length $content[1];
|
|
sendcontrol "150 Binary data connection for $testno ($size bytes).\r\n",
|
|
senddata $content[1];
|
|
close_dataconn(0);
|
|
sendcontrol "226 File transfer complete\r\n";
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
if($testno =~ /^verifiedserver$/) {
|
|
# this is the secret command that verifies that this actually is
|
|
# the curl test server
|
|
my $response = "WE ROOLZ: $$\r\n";
|
|
my $len = length($response);
|
|
sendcontrol "150 Binary junk ($len bytes).\r\n";
|
|
senddata "WE ROOLZ: $$\r\n";
|
|
close_dataconn(0);
|
|
sendcontrol "226 File transfer complete\r\n";
|
|
if($verbose) {
|
|
print STDERR "FTPD: We returned proof we are the test server\n";
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
$testno =~ s/^([^0-9]*)//;
|
|
my $testpart = "";
|
|
if ($testno > 10000) {
|
|
$testpart = $testno % 10000;
|
|
$testno = int($testno / 10000);
|
|
}
|
|
|
|
loadtest("$srcdir/data/test$testno");
|
|
|
|
my @data = getpart("reply", "data$testpart");
|
|
|
|
my $size=0;
|
|
for(@data) {
|
|
$size += length($_);
|
|
}
|
|
|
|
my %hash = getpartattr("reply", "data$testpart");
|
|
|
|
if($size || $hash{'sendzero'}) {
|
|
|
|
if($rest) {
|
|
# move read pointer forward
|
|
$size -= $rest;
|
|
logmsg "REST $rest was removed from size, makes $size left\n";
|
|
$rest = 0; # reset REST offset again
|
|
}
|
|
if($retrweirdo) {
|
|
sendcontrol "150 Binary data connection for $testno () ($size bytes).\r\n",
|
|
"226 File transfer complete\r\n";
|
|
|
|
for(@data) {
|
|
my $send = $_;
|
|
senddata $send;
|
|
}
|
|
close_dataconn(0);
|
|
$retrweirdo=0; # switch off the weirdo again!
|
|
}
|
|
else {
|
|
my $sz = "($size bytes)";
|
|
if($retrnosize) {
|
|
$sz = "size?";
|
|
}
|
|
|
|
sendcontrol "150 Binary data connection for $testno () $sz.\r\n";
|
|
|
|
for(@data) {
|
|
my $send = $_;
|
|
senddata $send;
|
|
}
|
|
close_dataconn(0);
|
|
sendcontrol "226 File transfer complete\r\n";
|
|
}
|
|
}
|
|
else {
|
|
sendcontrol "550 $testno: No such file or directory.\r\n";
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
sub STOR_ftp {
|
|
my $testno=$_[0];
|
|
|
|
my $filename = "log/upload.$testno";
|
|
|
|
logmsg "STOR test number $testno in $filename\n";
|
|
|
|
sendcontrol "125 Gimme gimme gimme!\r\n";
|
|
|
|
open(FILE, ">$filename") ||
|
|
return 0; # failed to open output
|
|
|
|
my $line;
|
|
my $ulsize=0;
|
|
my $disc=0;
|
|
while (5 == (sysread DREAD, $line, 5)) {
|
|
if($line eq "DATA\n") {
|
|
my $i;
|
|
sysread DREAD, $i, 5;
|
|
|
|
my $size = 0;
|
|
if($i =~ /^([0-9a-fA-F]{4})\n/) {
|
|
$size = hex($1);
|
|
}
|
|
|
|
sysread DREAD, $line, $size;
|
|
|
|
#print STDERR " GOT: $size bytes\n";
|
|
|
|
$ulsize += $size;
|
|
print FILE $line if(!$nosave);
|
|
logmsg "> Appending $size bytes to file\n";
|
|
}
|
|
elsif($line eq "DISC\n") {
|
|
# disconnect!
|
|
$disc=1;
|
|
last;
|
|
}
|
|
else {
|
|
logmsg "No support for: $line";
|
|
last;
|
|
}
|
|
}
|
|
if($nosave) {
|
|
print FILE "$ulsize bytes would've been stored here\n";
|
|
}
|
|
close(FILE);
|
|
close_dataconn($disc);
|
|
logmsg "received $ulsize bytes upload\n";
|
|
sendcontrol "226 File transfer complete\r\n";
|
|
return 0;
|
|
}
|
|
|
|
sub PASV_ftp {
|
|
my ($arg, $cmd)=@_;
|
|
my $pasvport;
|
|
|
|
# kill previous data connection sockfilt when alive
|
|
killsockfilters($proto, $ipvnum, $idnum, $verbose, 'data');
|
|
|
|
# We fire up a new sockfilt to do the data transfer for us.
|
|
my $datasockfcmd = "./server/sockfilt " .
|
|
"--ipv$ipvnum --port 0 " .
|
|
"--pidfile \"$datasockf_pidfile\" " .
|
|
"--logfile \"$datasockf_logfile\"";
|
|
$slavepid = open2(\*DREAD, \*DWRITE, $datasockfcmd);
|
|
|
|
print DWRITE "PING\n";
|
|
my $pong;
|
|
sysread_or_die(\*DREAD, \$pong, 5);
|
|
|
|
if($pong !~ /^PONG/) {
|
|
logmsg "failed to run sockfilt for data connection\n";
|
|
killsockfilters($proto, $ipvnum, $idnum, $verbose, 'data');
|
|
sendcontrol "500 no free ports!\r\n";
|
|
return 0;
|
|
}
|
|
|
|
logmsg "Run sockfilt for data on pid $slavepid\n";
|
|
|
|
# Find out what port we listen on
|
|
my $i;
|
|
print DWRITE "PORT\n";
|
|
|
|
# READ the response code
|
|
sysread_or_die(\*DREAD, \$i, 5);
|
|
|
|
# READ the response size
|
|
sysread_or_die(\*DREAD, \$i, 5);
|
|
|
|
my $size = 0;
|
|
if($i =~ /^([0-9a-fA-F]{4})\n/) {
|
|
$size = hex($1);
|
|
}
|
|
|
|
# READ the response data
|
|
sysread_or_die(\*DREAD, \$i, $size);
|
|
|
|
# The data is in the format
|
|
# IPvX/NNN
|
|
|
|
if($i =~ /IPv(\d)\/(\d+)/) {
|
|
# FIX: deal with IP protocol version
|
|
$pasvport = $2;
|
|
}
|
|
|
|
if($cmd ne "EPSV") {
|
|
# PASV reply
|
|
my $p=$listenaddr;
|
|
$p =~ s/\./,/g;
|
|
if($pasvbadip) {
|
|
$p="1,2,3,4";
|
|
}
|
|
sendcontrol sprintf("227 Entering Passive Mode ($p,%d,%d)\n",
|
|
($pasvport/256), ($pasvport%256));
|
|
}
|
|
else {
|
|
# EPSV reply
|
|
sendcontrol sprintf("229 Entering Passive Mode (|||%d|)\n", $pasvport);
|
|
}
|
|
|
|
eval {
|
|
local $SIG{ALRM} = sub { die "alarm\n" };
|
|
|
|
# assume swift operations unless explicitly slow
|
|
alarm ($datadelay?20:10);
|
|
|
|
# Wait for 'CNCT'
|
|
my $input;
|
|
|
|
while(sysread(DREAD, $input, 5)) {
|
|
|
|
if($input !~ /^CNCT/) {
|
|
# we wait for a connected client
|
|
logmsg "Odd, we got $input from client\n";
|
|
next;
|
|
}
|
|
logmsg "====> Client DATA connect\n";
|
|
last;
|
|
}
|
|
alarm 0;
|
|
};
|
|
if ($@) {
|
|
# timed out
|
|
logmsg "$srvrname server timed out awaiting data connection ".
|
|
"on port $pasvport\n";
|
|
logmsg "accept failed or connection not even attempted\n";
|
|
killsockfilters($proto, $ipvnum, $idnum, $verbose, 'data');
|
|
return;
|
|
}
|
|
else {
|
|
logmsg "data connection setup on port $pasvport\n";
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
# Support both PORT and EPRT here. Consider LPRT too.
|
|
|
|
sub PORT_ftp {
|
|
my ($arg, $cmd) = @_;
|
|
my $port;
|
|
my $addr;
|
|
|
|
# We always ignore the given IP and use localhost.
|
|
|
|
if($cmd eq "PORT") {
|
|
if($arg !~ /(\d+),(\d+),(\d+),(\d+),(\d+),(\d+)/) {
|
|
logmsg "bad PORT-line: $arg\n";
|
|
sendcontrol "500 silly you, go away\r\n";
|
|
return 0;
|
|
}
|
|
$port = ($5<<8)+$6;
|
|
$addr = "$1.$2.$3.$4";
|
|
}
|
|
# EPRT |2|::1|49706|
|
|
elsif(($cmd eq "EPRT") && ($grok_eprt)) {
|
|
if($arg !~ /(\d+)\|([^\|]+)\|(\d+)/) {
|
|
sendcontrol "500 silly you, go away\r\n";
|
|
return 0;
|
|
}
|
|
sendcontrol "200 Thanks for dropping by. We contact you later\r\n";
|
|
$port = $3;
|
|
$addr = $2;
|
|
}
|
|
else {
|
|
sendcontrol "500 we don't like $cmd now\r\n";
|
|
return 0;
|
|
}
|
|
|
|
if(!$port || $port > 65535) {
|
|
print STDERR "very illegal PORT number: $port\n";
|
|
return 1;
|
|
}
|
|
|
|
# We fire up a new sockfilt to do the data transfer for us.
|
|
my $datasockfcmd = "./server/sockfilt " .
|
|
"--ipv$ipvnum --connect $port --addr \"$addr\" " .
|
|
"--pidfile \"$datasockf_pidfile\" " .
|
|
"--logfile \"$datasockf_logfile\"";
|
|
$slavepid = open2(\*DREAD, \*DWRITE, $datasockfcmd);
|
|
|
|
print STDERR "$datasockfcmd\n" if($verbose);
|
|
|
|
print DWRITE "PING\n";
|
|
my $pong;
|
|
sysread_or_die(\*DREAD, \$pong, 5);
|
|
|
|
if($pong !~ /^PONG/) {
|
|
logmsg "Failed sockfilt for data connection\n";
|
|
killsockfilters($proto, $ipvnum, $idnum, $verbose, 'data');
|
|
}
|
|
|
|
logmsg "====> Client DATA connect to port $port\n";
|
|
|
|
return;
|
|
}
|
|
|
|
#**********************************************************************
|
|
# customize configures test server operation for each curl test, reading
|
|
# configuration commands/parameters from server commands file each time
|
|
# a new client control connection is established with the test server.
|
|
# On success returns 1, otherwise zero.
|
|
#
|
|
sub customize {
|
|
$ctrldelay = 0; # default is no throttling of the ctrl stream
|
|
$datadelay = 0; # default is no throttling of the data stream
|
|
$retrweirdo = 0; # default is no use of RETRWEIRDO
|
|
$retrnosize = 0; # default is no use of RETRNOSIZE
|
|
$pasvbadip = 0; # default is no use of PASVBADIP
|
|
$nosave = 0; # default is to actually save uploaded data to file
|
|
%customreply = (); #
|
|
%customcount = (); #
|
|
%delayreply = (); #
|
|
|
|
open(CUSTOM, "<log/ftpserver.cmd") ||
|
|
return 1;
|
|
|
|
logmsg "FTPD: Getting commands from log/ftpserver.cmd\n";
|
|
|
|
while(<CUSTOM>) {
|
|
if($_ =~ /REPLY ([A-Za-z0-9+\/=]+) (.*)/) {
|
|
$customreply{$1}=eval "qq{$2}";
|
|
logmsg "FTPD: set custom reply for $1\n";
|
|
}
|
|
if($_ =~ /COUNT ([A-Z]+) (.*)/) {
|
|
# we blank the customreply for this command when having
|
|
# been used this number of times
|
|
$customcount{$1}=$2;
|
|
logmsg "FTPD: blank custom reply for $1 after $2 uses\n";
|
|
}
|
|
elsif($_ =~ /DELAY ([A-Z]+) (\d*)/) {
|
|
$delayreply{$1}=$2;
|
|
logmsg "FTPD: delay reply for $1 with $2 seconds\n";
|
|
}
|
|
elsif($_ =~ /SLOWDOWN/) {
|
|
$ctrldelay=1;
|
|
$datadelay=1;
|
|
logmsg "FTPD: send response with 0.01 sec delay between each byte\n";
|
|
}
|
|
elsif($_ =~ /RETRWEIRDO/) {
|
|
logmsg "FTPD: instructed to use RETRWEIRDO\n";
|
|
$retrweirdo=1;
|
|
}
|
|
elsif($_ =~ /RETRNOSIZE/) {
|
|
logmsg "FTPD: instructed to use RETRNOSIZE\n";
|
|
$retrnosize=1;
|
|
}
|
|
elsif($_ =~ /PASVBADIP/) {
|
|
logmsg "FTPD: instructed to use PASVBADIP\n";
|
|
$pasvbadip=1;
|
|
}
|
|
elsif($_ =~ /NOSAVE/) {
|
|
# don't actually store the file we upload - to be used when
|
|
# uploading insanely huge amounts
|
|
$nosave = 1;
|
|
logmsg "FTPD: NOSAVE prevents saving of uploaded data\n";
|
|
}
|
|
}
|
|
close(CUSTOM);
|
|
}
|
|
|
|
#----------------------------------------------------------------------
|
|
#----------------------------------------------------------------------
|
|
#--------------------------- END OF SUBS ----------------------------
|
|
#----------------------------------------------------------------------
|
|
#----------------------------------------------------------------------
|
|
|
|
#**********************************************************************
|
|
# Parse command line options
|
|
#
|
|
# Options:
|
|
#
|
|
# --verbose # verbose
|
|
# --srcdir # source directory
|
|
# --id # server instance number
|
|
# --proto # server protocol
|
|
# --pidfile # server pid file
|
|
# --logfile # server log file
|
|
# --ipv4 # server IP version 4
|
|
# --ipv6 # server IP version 6
|
|
# --port # server listener port
|
|
# --addr # server address for listener port binding
|
|
#
|
|
while(@ARGV) {
|
|
if($ARGV[0] eq '--verbose') {
|
|
$verbose = 1;
|
|
}
|
|
elsif($ARGV[0] eq '--srcdir') {
|
|
if($ARGV[1]) {
|
|
$srcdir = $ARGV[1];
|
|
shift @ARGV;
|
|
}
|
|
}
|
|
elsif($ARGV[0] eq '--id') {
|
|
if($ARGV[1] && ($ARGV[1] =~ /^(\d+)$/)) {
|
|
$idnum = $1 if($1 > 0);
|
|
shift @ARGV;
|
|
}
|
|
}
|
|
elsif($ARGV[0] eq '--proto') {
|
|
if($ARGV[1] && ($ARGV[1] =~ /^(ftp|imap|pop3|smtp)$/)) {
|
|
$proto = $1;
|
|
shift @ARGV;
|
|
}
|
|
else {
|
|
die "unsupported protocol $ARGV[1]";
|
|
}
|
|
}
|
|
elsif($ARGV[0] eq '--pidfile') {
|
|
if($ARGV[1]) {
|
|
$pidfile = $ARGV[1];
|
|
shift @ARGV;
|
|
}
|
|
}
|
|
elsif($ARGV[0] eq '--logfile') {
|
|
if($ARGV[1]) {
|
|
$logfile = $ARGV[1];
|
|
shift @ARGV;
|
|
}
|
|
}
|
|
elsif($ARGV[0] eq '--ipv4') {
|
|
$ipvnum = 4;
|
|
$listenaddr = '127.0.0.1' if($listenaddr eq '::1');
|
|
$grok_eprt = 0;
|
|
}
|
|
elsif($ARGV[0] eq '--ipv6') {
|
|
$ipvnum = 6;
|
|
$listenaddr = '::1' if($listenaddr eq '127.0.0.1');
|
|
$grok_eprt = 1;
|
|
}
|
|
elsif($ARGV[0] eq '--port') {
|
|
if($ARGV[1] && ($ARGV[1] =~ /^(\d+)$/)) {
|
|
$port = $1 if($1 > 1024);
|
|
shift @ARGV;
|
|
}
|
|
}
|
|
elsif($ARGV[0] eq '--addr') {
|
|
if($ARGV[1]) {
|
|
my $tmpstr = $ARGV[1];
|
|
if($tmpstr =~ /^(\d\d?\d?)\.(\d\d?\d?)\.(\d\d?\d?)\.(\d\d?\d?)$/) {
|
|
$listenaddr = "$1.$2.$3.$4" if($ipvnum == 4);
|
|
}
|
|
elsif($ipvnum == 6) {
|
|
$listenaddr = $tmpstr;
|
|
$listenaddr =~ s/^\[(.*)\]$/$1/;
|
|
}
|
|
shift @ARGV;
|
|
}
|
|
}
|
|
else {
|
|
print STDERR "\nWarning: ftpserver.pl unknown parameter: $ARGV[0]\n";
|
|
}
|
|
shift @ARGV;
|
|
}
|
|
|
|
#***************************************************************************
|
|
# Initialize command line option dependant variables
|
|
#
|
|
|
|
if(!$srcdir) {
|
|
$srcdir = $ENV{'srcdir'} || '.';
|
|
}
|
|
if(!$pidfile) {
|
|
$pidfile = "$path/". server_pidfilename($proto, $ipvnum, $idnum);
|
|
}
|
|
if(!$logfile) {
|
|
$logfile = server_logfilename($logdir, $proto, $ipvnum, $idnum);
|
|
}
|
|
|
|
$mainsockf_pidfile = "$path/".
|
|
mainsockf_pidfilename($proto, $ipvnum, $idnum);
|
|
$mainsockf_logfile =
|
|
mainsockf_logfilename($logdir, $proto, $ipvnum, $idnum);
|
|
|
|
if($proto eq 'ftp') {
|
|
$datasockf_pidfile = "$path/".
|
|
datasockf_pidfilename($proto, $ipvnum, $idnum);
|
|
$datasockf_logfile =
|
|
datasockf_logfilename($logdir, $proto, $ipvnum, $idnum);
|
|
}
|
|
|
|
$srvrname = servername_str($proto, $ipvnum, $idnum);
|
|
|
|
$idstr = "$idnum" if($idnum > 1);
|
|
|
|
protocolsetup($proto);
|
|
|
|
$SIG{INT} = \&exit_signal_handler;
|
|
$SIG{TERM} = \&exit_signal_handler;
|
|
|
|
startsf();
|
|
|
|
logmsg sprintf("%s server listens on port IPv${ipvnum}/${port}\n", uc($proto));
|
|
|
|
open(PID, ">$pidfile");
|
|
print PID $$."\n";
|
|
close(PID);
|
|
|
|
logmsg("logged pid $$ in $pidfile\n");
|
|
|
|
|
|
while(1) {
|
|
#
|
|
# We read 'sockfilt' commands.
|
|
#
|
|
my $input;
|
|
|
|
logmsg "Awaiting input\n";
|
|
sysread_or_die(\*SFREAD, \$input, 5);
|
|
|
|
if($input !~ /^CNCT/) {
|
|
# we wait for a connected client
|
|
logmsg "sockfilt said: $input";
|
|
next;
|
|
}
|
|
logmsg "====> Client connect\n";
|
|
|
|
set_advisor_read_lock($SERVERLOGS_LOCK);
|
|
$serverlogslocked = 1;
|
|
|
|
# flush data:
|
|
$| = 1;
|
|
|
|
killsockfilters($proto, $ipvnum, $idnum, $verbose, 'data');
|
|
|
|
&customize(); # read test control instructions
|
|
|
|
sendcontrol @welcome;
|
|
|
|
#remove global variables from last connection
|
|
if($ftplistparserstate) {
|
|
undef $ftplistparserstate;
|
|
}
|
|
if($ftptargetdir) {
|
|
undef $ftptargetdir;
|
|
}
|
|
|
|
if($verbose) {
|
|
for(@welcome) {
|
|
print STDERR "OUT: $_";
|
|
}
|
|
}
|
|
|
|
while(1) {
|
|
my $i;
|
|
|
|
# Now we expect to read DATA\n[hex size]\n[prot], where the [prot]
|
|
# part only is FTP lingo.
|
|
|
|
# COMMAND
|
|
sysread_or_die(\*SFREAD, \$i, 5);
|
|
|
|
if($i !~ /^DATA/) {
|
|
logmsg "sockfilt said $i";
|
|
if($i =~ /^DISC/) {
|
|
# disconnect
|
|
last;
|
|
}
|
|
next;
|
|
}
|
|
|
|
# SIZE of data
|
|
sysread_or_die(\*SFREAD, \$i, 5);
|
|
|
|
my $size = 0;
|
|
if($i =~ /^([0-9a-fA-F]{4})\n/) {
|
|
$size = hex($1);
|
|
}
|
|
|
|
# data
|
|
sysread SFREAD, $_, $size;
|
|
|
|
ftpmsg $_;
|
|
|
|
# Remove trailing CRLF.
|
|
s/[\n\r]+$//;
|
|
|
|
my $FTPCMD;
|
|
my $FTPARG;
|
|
my $full=$_;
|
|
if($proto eq "imap") {
|
|
# IMAP is different with its identifier first on the command line
|
|
unless (m/^([^ ]+) ([^ ]+) (.*)/ ||
|
|
m/^([^ ]+) ([^ ]+)/) {
|
|
sendcontrol "$1 '$_': command not understood.\r\n";
|
|
last;
|
|
}
|
|
$cmdid=$1; # set the global variable
|
|
$FTPCMD=$2;
|
|
$FTPARG=$3;
|
|
}
|
|
elsif (m/^([A-Z]{3,4})(\s(.*))?$/i) {
|
|
$FTPCMD=$1;
|
|
$FTPARG=$3;
|
|
}
|
|
elsif($proto eq "smtp" && m/^[A-Z0-9+\/]{0,512}={0,2}$/i) {
|
|
# SMTP long "commands" are base64 authentication data.
|
|
$FTPCMD=$_;
|
|
$FTPARG="";
|
|
}
|
|
else {
|
|
sendcontrol "500 '$_': command not understood.\r\n";
|
|
last;
|
|
}
|
|
|
|
logmsg "< \"$full\"\n";
|
|
|
|
if($verbose) {
|
|
print STDERR "IN: $full\n";
|
|
}
|
|
|
|
my $delay = $delayreply{$FTPCMD};
|
|
if($delay) {
|
|
# just go sleep this many seconds!
|
|
logmsg("Sleep for $delay seconds\n");
|
|
my $twentieths = $delay * 20;
|
|
while($twentieths--) {
|
|
select(undef, undef, undef, 0.05) unless($got_exit_signal);
|
|
}
|
|
}
|
|
|
|
my $text;
|
|
$text = $customreply{$FTPCMD};
|
|
my $fake = $text;
|
|
|
|
if($text && ($text ne "")) {
|
|
if($customcount{$FTPCMD} && (!--$customcount{$FTPCMD})) {
|
|
# used enough number of times, now blank the customreply
|
|
$customreply{$FTPCMD}="";
|
|
}
|
|
}
|
|
else {
|
|
$text = $displaytext{$FTPCMD};
|
|
}
|
|
my $check;
|
|
if($text && ($text ne "")) {
|
|
if($cmdid && ($cmdid ne "")) {
|
|
sendcontrol "$cmdid$text\r\n";
|
|
}
|
|
else {
|
|
sendcontrol "$text\r\n";
|
|
}
|
|
}
|
|
else {
|
|
$check=1; # no response yet
|
|
}
|
|
|
|
unless($fake && ($fake ne "")) {
|
|
# only perform this if we're not faking a reply
|
|
my $func = $commandfunc{$FTPCMD};
|
|
if($func) {
|
|
&$func($FTPARG, $FTPCMD);
|
|
$check=0; # taken care of
|
|
}
|
|
}
|
|
|
|
if($check) {
|
|
logmsg "$FTPCMD wasn't handled!\n";
|
|
sendcontrol "500 $FTPCMD is not dealt with!\r\n";
|
|
}
|
|
|
|
} # while(1)
|
|
logmsg "====> Client disconnected\n";
|
|
|
|
if($serverlogslocked) {
|
|
$serverlogslocked = 0;
|
|
clear_advisor_read_lock($SERVERLOGS_LOCK);
|
|
}
|
|
}
|
|
|
|
killsockfilters($proto, $ipvnum, $idnum, $verbose);
|
|
unlink($pidfile);
|
|
if($serverlogslocked) {
|
|
$serverlogslocked = 0;
|
|
clear_advisor_read_lock($SERVERLOGS_LOCK);
|
|
}
|
|
|
|
exit;
|