diff options
Diffstat (limited to 'git-send-email.perl')
| -rwxr-xr-x | git-send-email.perl | 164 |
1 files changed, 150 insertions, 14 deletions
diff --git a/git-send-email.perl b/git-send-email.perl index 1b99f40390..6dab3bf6a7 100755 --- a/git-send-email.perl +++ b/git-send-email.perl @@ -47,13 +47,14 @@ git send-email [options] <file | directory | rev-list options > Composing: --from <str> * Email From: - --to <str> * Email To: - --cc <str> * Email Cc: - --bcc <str> * Email Bcc: + --[no-]to <str> * Email To: + --[no-]cc <str> * Email Cc: + --[no-]bcc <str> * Email Bcc: --subject <str> * Email "Subject:" --in-reply-to <str> * Email "In-Reply-To:" --annotate * Review each patch that will be sent in an editor. --compose * Open an editor for introduction. + --8bit-encoding <str> * Encoding to assume 8bit mails if undeclared Sending: --envelope-sender <str> * Email envelope sender. @@ -64,6 +65,8 @@ git send-email [options] <file | directory | rev-list options > --smtp-pass <str> * Password for SMTP-AUTH; not necessary. --smtp-encryption <str> * tls or ssl; anything else disables. --smtp-ssl * Deprecated. Use '--smtp-encryption ssl'. + --smtp-domain <str> * The domain name sent to HELO/EHLO handshake + --smtp-debug <0|1> * Disable, enable Net::SMTP debug. Automating: --identity <str> * Use the sendemail.<id> options. @@ -135,7 +138,7 @@ sub unique_email_list(@); sub cleanup_compose_files(); # Variables we fill in automatically, or via prompting: -my (@to,@cc,@initial_cc,@bcclist,@xh, +my (@to,$no_to,@cc,$no_cc,@initial_cc,@bcclist,$no_bcc,@xh, $initial_reply_to,$initial_subject,@files, $author,$sender,$smtp_authpass,$annotate,$compose,$time); @@ -186,9 +189,12 @@ sub do_edit { # Variables with corresponding config settings my ($thread, $chain_reply_to, $suppress_from, $signed_off_by_cc, $cc_cmd); my ($smtp_server, $smtp_server_port, $smtp_authuser, $smtp_encryption); -my ($identity, $aliasfiletype, @alias_files, @smtp_host_parts); +my ($identity, $aliasfiletype, @alias_files, @smtp_host_parts, $smtp_domain); my ($validate, $confirm); my (@suppress_cc); +my ($auto_8bit_encoding); + +my ($debug_net_smtp) = 0; # Net::SMTP, see send_message() my $not_set_by_user = "true but not set by the user"; @@ -206,6 +212,7 @@ my %config_settings = ( "smtpserverport" => \$smtp_server_port, "smtpuser" => \$smtp_authuser, "smtppass" => \$smtp_authpass, + "smtpdomain" => \$smtp_domain, "to" => \@to, "cc" => \@initial_cc, "cccmd" => \$cc_cmd, @@ -217,6 +224,7 @@ my %config_settings = ( "multiedit" => \$multiedit, "confirm" => \$confirm, "from" => \$sender, + "assume8bitencoding" => \$auto_8bit_encoding, ); # Help users prepare for 1.7.0 @@ -264,8 +272,11 @@ my $rc = GetOptions("sender|from=s" => \$sender, "in-reply-to=s" => \$initial_reply_to, "subject=s" => \$initial_subject, "to=s" => \@to, + "no-to" => \$no_to, "cc=s" => \@initial_cc, + "no-cc" => \$no_cc, "bcc=s" => \@bcclist, + "no-bcc" => \$no_bcc, "chain-reply-to!" => \$chain_reply_to, "smtp-server=s" => \$smtp_server, "smtp-server-port=s" => \$smtp_server_port, @@ -273,6 +284,8 @@ my $rc = GetOptions("sender|from=s" => \$sender, "smtp-pass:s" => \$smtp_authpass, "smtp-ssl" => sub { $smtp_encryption = 'ssl' }, "smtp-encryption=s" => \$smtp_encryption, + "smtp-debug:i" => \$debug_net_smtp, + "smtp-domain:s" => \$smtp_domain, "identity=s" => \$identity, "annotate" => \$annotate, "compose" => \$compose, @@ -287,6 +300,7 @@ my $rc = GetOptions("sender|from=s" => \$sender, "thread!" => \$thread, "validate!" => \$validate, "format-patch!" => \$format_patch, + "8bit-encoding=s" => \$auto_8bit_encoding, ); unless ($rc) { @@ -308,6 +322,9 @@ sub read_config { foreach my $setting (keys %config_settings) { my $target = $config_settings{$setting}; + next if $setting eq "to" and defined $no_to; + next if $setting eq "cc" and defined $no_cc; + next if $setting eq "bcc" and defined $no_bcc; if (ref($target) eq "ARRAY") { unless (@$target) { my @values = Git::config(@repo, "$prefix.$setting"); @@ -656,6 +673,35 @@ sub ask { return undef; } +my %broken_encoding; + +sub file_declares_8bit_cte($) { + my $fn = shift; + open (my $fh, '<', $fn); + while (my $line = <$fh>) { + last if ($line =~ /^$/); + return 1 if ($line =~ /^Content-Transfer-Encoding: .*8bit.*$/); + } + close $fh; + return 0; +} + +foreach my $f (@files) { + next unless (body_or_subject_has_nonascii($f) + && !file_declares_8bit_cte($f)); + $broken_encoding{$f} = 1; +} + +if (!defined $auto_8bit_encoding && scalar %broken_encoding) { + print "The following files are 8bit, but do not declare " . + "a Content-Transfer-Encoding.\n"; + foreach my $f (sort keys %broken_encoding) { + print " $f\n"; + } + $auto_8bit_encoding = ask("Which 8bit encoding should I declare [UTF-8]? ", + default => "UTF-8"); +} + my $prompting = 0; if (!defined $sender) { $sender = $repoauthor || $repocommitter || ''; @@ -747,8 +793,7 @@ sub extract_valid_address { # We'll setup a template for the message id, using the "from" address: my ($message_id_stamp, $message_id_serial); -sub make_message_id -{ +sub make_message_id { my $uniq; if (!defined $message_id_stamp) { $message_id_stamp = sprintf("%s-%s", time, $$); @@ -803,8 +848,7 @@ sub is_rfc2047_quoted { } # use the simplest quoting being able to handle the recipient -sub sanitize_address -{ +sub sanitize_address { my ($recipient) = @_; my ($recipient_name, $recipient_addr) = ($recipient =~ /^(.*?)\s*(<.*)/); @@ -833,12 +877,67 @@ sub sanitize_address } +# Returns the local Fully Qualified Domain Name (FQDN) if available. +# +# Tightly configured MTAa require that a caller sends a real DNS +# domain name that corresponds the IP address in the HELO/EHLO +# handshake. This is used to verify the connection and prevent +# spammers from trying to hide their identity. If the DNS and IP don't +# match, the receiveing MTA may deny the connection. +# +# Here is a deny example of Net::SMTP with the default "localhost.localdomain" +# +# Net::SMTP=GLOB(0x267ec28)>>> EHLO localhost.localdomain +# Net::SMTP=GLOB(0x267ec28)<<< 550 EHLO argument does not match calling host +# +# This maildomain*() code is based on ideas in Perl library Test::Reporter +# /usr/share/perl5/Test/Reporter/Mail/Util.pm ==> sub _maildomain () + +sub valid_fqdn { + my $domain = shift; + return !($^O eq 'darwin' && $domain =~ /\.local$/) && $domain =~ /\./; +} + +sub maildomain_net { + my $maildomain; + + if (eval { require Net::Domain; 1 }) { + my $domain = Net::Domain::domainname(); + $maildomain = $domain if valid_fqdn($domain); + } + + return $maildomain; +} + +sub maildomain_mta { + my $maildomain; + + if (eval { require Net::SMTP; 1 }) { + for my $host (qw(mailhost localhost)) { + my $smtp = Net::SMTP->new($host); + if (defined $smtp) { + my $domain = $smtp->domain; + $smtp->quit; + + $maildomain = $domain if valid_fqdn($domain); + + last if $maildomain; + } + } + } + + return $maildomain; +} + +sub maildomain { + return maildomain_net() || maildomain_mta() || 'localhost.localdomain'; +} + # Returns 1 if the message was sent, and 0 otherwise. # In actuality, the whole program dies when there # is an error sending a message. -sub send_message -{ +sub send_message { my @recipients = unique_email_list(@to); @cc = (grep { my $cc = extract_valid_address($_); not grep { $cc eq $_ } @recipients @@ -935,13 +1034,19 @@ X-Mailer: git-send-email $gitversion if ($smtp_encryption eq 'ssl') { $smtp_server_port ||= 465; # ssmtp require Net::SMTP::SSL; - $smtp ||= Net::SMTP::SSL->new($smtp_server, Port => $smtp_server_port); + $smtp_domain ||= maildomain(); + $smtp ||= Net::SMTP::SSL->new($smtp_server, + Hello => $smtp_domain, + Port => $smtp_server_port); } else { require Net::SMTP; + $smtp_domain ||= maildomain(); $smtp ||= Net::SMTP->new((defined $smtp_server_port) ? "$smtp_server:$smtp_server_port" - : $smtp_server); + : $smtp_server, + Hello => $smtp_domain, + Debug => $debug_net_smtp); if ($smtp_encryption eq 'tls' && $smtp) { require Net::SMTP::SSL; $smtp->command('STARTTLS'); @@ -960,7 +1065,11 @@ X-Mailer: git-send-email $gitversion } if (!$smtp) { - die "Unable to initialize SMTP properly. Is there something wrong with your config?"; + die "Unable to initialize SMTP properly. Check config and use --smtp-debug. ", + "VALUES: server=$smtp_server ", + "encryption=$smtp_encryption ", + "hello=$smtp_domain", + defined $smtp_server_port ? "port=$smtp_server_port" : ""; } if (defined $smtp_authuser) { @@ -1145,6 +1254,18 @@ foreach my $t (@files) { or die "(cc-cmd) failed to close pipe to '$cc_cmd'"; } + if ($broken_encoding{$t} && !$has_content_type) { + $has_content_type = 1; + push @xh, "MIME-Version: 1.0", + "Content-Type: text/plain; charset=$auto_8bit_encoding", + "Content-Transfer-Encoding: 8bit"; + $body_encoding = $auto_8bit_encoding; + } + + if ($broken_encoding{$t} && !is_rfc2047_quoted($subject)) { + $subject = quote_rfc2047($subject, $auto_8bit_encoding); + } + if (defined $author and $author ne $sender) { $message = "From: $author\n\n$message"; if (defined $author_encoding) { @@ -1157,6 +1278,7 @@ foreach my $t (@files) { } } else { + $has_content_type = 1; push @xh, 'MIME-Version: 1.0', "Content-Type: text/plain; charset=$author_encoding", @@ -1234,3 +1356,17 @@ sub file_has_nonascii { } return 0; } + +sub body_or_subject_has_nonascii { + my $fn = shift; + open(my $fh, '<', $fn) + or die "unable to open $fn: $!\n"; + while (my $line = <$fh>) { + last if $line =~ /^$/; + return 1 if $line =~ /^Subject.*[^[:ascii:]]/; + } + while (my $line = <$fh>) { + return 1 if $line =~ /[^[:ascii:]]/; + } + return 0; +} |