184 lines
4.1 KiB
Perl
184 lines
4.1 KiB
Perl
#!/usr/bin/perl
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#
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# Copyright (C) 2001-2018 Graeme Walker <graeme_walker@users.sourceforge.net>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# ===
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#
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# SmtpClient.pm
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#
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# A network client for driving the smtp interface.
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#
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# Synopsis:
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#
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# my $sc = new SmtpClient( 10025 , "localhost" ) ;
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# $sc->open() ;
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# $sc->submit_start() ; # ehlo, mail-from, rcpt-to, headers
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# $sc->submit_line("testing 123") ;
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# $sc->submit_end() ;
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# $sc->close() ;
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#
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use strict ;
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use FileHandle ;
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use Net::Telnet ;
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package SmtpClient ;
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sub new
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{
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my ( $classname , $port , $server ) = @_ ;
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$server = defined($server) ? $server : "localhost" ;
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$port = defined($port) ? $port : 10025 ;
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my $t = new Net::Telnet( Timeout=>15 , Prompt=>'/250 [^\r\n]+/' ) ;
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$t->binmode(0) ; # convert to '\r\n' on output
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my %me = (
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m_port => $port ,
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m_server => $server ,
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m_t => $t ,
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) ;
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return bless \%me , $classname ;
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}
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sub open
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{
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# Opens the connection.
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my ( $this , $wait ) = @_ ;
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$wait = defined($wait) ? $wait : 1 ;
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my $t = $this->t() ;
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my $ok = $t->open( Host=>$this->server() , Port=>$this->port() ) ;
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my ($s1,$s2) = $t->waitfor( '/220 [^\r\n]+/' ) if $wait ;
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return $ok ;
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}
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sub close
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{
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# Drops the connection.
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my ( $this ) = @_ ;
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$this->t()->close() ;
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}
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sub port { return shift->{'m_port'} }
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sub server { return shift->{'m_server'} }
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sub t { return shift->{'m_t'} }
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sub ehlo
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{
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# Says ehlo.
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my ( $this ) = @_ ;
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my $t = $this->t() ;
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$t->buffer_empty() ; # sync
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$t->cmd( "ehlo here" ) ;
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}
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sub mail
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{
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# Says mail-from. Can optionally be expected to fail
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# with an authentication-require error message.
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my ( $this , $expect_mail_from_to_fail ) = @_ ;
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my $t = $this->t() ;
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if( $expect_mail_from_to_fail )
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{
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$t->cmd( String => "mail from:<me\@here>" , Prompt => '/530 authentication required/' ) ;
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}
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else
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{
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$t->cmd( "mail from:<me\@here>" ) ;
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}
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}
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sub submit_start
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{
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# Starts message submission. See also
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# submit_line() and submit_end().
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my ( $this , $to , $expect_rcpt_to_to_fail ) = @_ ;
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$to ||= "you\@there" ;
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$expect_rcpt_to_to_fail ||= 0 ;
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my $t = $this->t() ;
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$t->buffer_empty() ; # sync
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$t->cmd( "ehlo here" ) ;
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$t->cmd( "mail from:<me\@here>" ) ;
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if( $expect_rcpt_to_to_fail )
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{
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$t->cmd( String => "rcpt to:<$to>" , Prompt => '/550 [^\r\n]+/' ) ;
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}
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else
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{
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$t->cmd( "rcpt to:<$to>" ) ;
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$t->cmd( String => "data" , Prompt => '/354 [^\r\n]+/' ) ;
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$t->print( "From: me\@here" ) ;
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$t->print( "To: you\@there" ) ;
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$t->print( "Subject: test message" ) ;
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$t->print( "" ) ;
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}
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}
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sub submit_end
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{
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# Ends message submission by sending a dot.
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my ( $this , $expect_dot_to_fail ) = @_ ;
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$expect_dot_to_fail ||= 0 ;
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my $t = $this->t() ;
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if( $expect_dot_to_fail )
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{
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$t->cmd( String => "." , Prompt => '/452 [^\r\n]+/' ) ;
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}
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else
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{
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$t->cmd( "." ) ;
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}
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}
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sub submit_line
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{
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# Sends a line of a submitted message.
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my ( $this , $line ) = @_ ;
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my $t = $this->t() ;
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$t->print( $line ) ;
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}
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sub submit
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{
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# Submits a whole test message.
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my ( $this , $expect_dot_to_fail , $no_wait ) = @_ ;
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$this->submit_start() ;
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$this->submit_line( "This is a test." ) ;
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if( $no_wait ) { $this->t()->print( "." ) }
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else { $this->submit_end( $expect_dot_to_fail ) }
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}
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sub doBadHelo
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{
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# Sends an invalid helo.
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my ( $this ) = @_ ;
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my $t = $this->t() ;
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$t->cmd( String => "HELO" , Prompt => '/501 parameter [^\r\n]+/' , Errmode => 'return' ) ;
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return $t->errmsg("") ;
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}
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sub doBadCommand
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{
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# Sends an invalid 'foo' command.
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my ( $this ) = @_ ;
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my $t = $this->t() ;
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$t->cmd( String => "FOO" , Prompt => '/500 command [^\r\n]+/' , Errmode => 'return' ) ;
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return $t->errmsg("") ;
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}
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1 ;
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