--[no-]bcc <str> * Email Bcc:
--subject <str> * Email "Subject:"
--in-reply-to <str> * Email "In-Reply-To:"
+ --[no-]xmailer * Add "X-Mailer:" header (default).
--[no-]annotate * Review each patch that will be sent in an editor.
--compose * Open an editor for introduction.
--compose-encoding <str> * Encoding to assume for introduction.
--8bit-encoding <str> * Encoding to assume 8bit mails if undeclared
+ --transfer-encoding <str> * Transfer encoding to use (quoted-printable, 8bit, base64)
Sending:
--envelope-sender <str> * Email envelope sender.
my $smtp;
my $auth;
+# Regexes for RFC 2047 productions.
+my $re_token = qr/[^][()<>@,;:\\"\/?.= \000-\037\177-\377]+/;
+my $re_encoded_text = qr/[^? \000-\037\177-\377]+/;
+my $re_encoded_word = qr/=\?($re_token)\?($re_token)\?($re_encoded_text)\?=/;
+
# Variables we fill in automatically, or via prompting:
my (@to,$no_to,@initial_to,@cc,$no_cc,@initial_cc,@bcclist,$no_bcc,@xh,
$initial_reply_to,$initial_subject,@files,
- $author,$sender,$smtp_authpass,$annotate,$compose,$time);
+ $author,$sender,$smtp_authpass,$annotate,$use_xmailer,$compose,$time);
my $envelope_sender;
my (@suppress_cc);
my ($auto_8bit_encoding);
my ($compose_encoding);
+my ($target_xfer_encoding);
my ($debug_net_smtp) = 0; # Net::SMTP, see send_message()
"signedoffcc" => [\$signed_off_by_cc, undef], # Deprecated
"validate" => [\$validate, 1],
"multiedit" => [\$multiedit, undef],
- "annotate" => [\$annotate, undef]
+ "annotate" => [\$annotate, undef],
+ "xmailer" => [\$use_xmailer, 1]
);
my %config_settings = (
"from" => \$sender,
"assume8bitencoding" => \$auto_8bit_encoding,
"composeencoding" => \$compose_encoding,
+ "transferencoding" => \$target_xfer_encoding,
);
my %config_path_settings = (
"envelope-sender=s" => \$envelope_sender,
"thread!" => \$thread,
"validate!" => \$validate,
+ "transfer-encoding=s" => \$target_xfer_encoding,
"format-patch!" => \$format_patch,
"8bit-encoding=s" => \$auto_8bit_encoding,
"compose-encoding=s" => \$compose_encoding,
"force" => \$force,
+ "xmailer!" => \$use_xmailer,
);
usage() if $help;
sub unquote_rfc2047 {
local ($_) = @_;
- my $encoding;
- s{=\?([^?]+)\?q\?(.*?)\?=}{
- $encoding = $1;
- my $e = $2;
- $e =~ s/_/ /g;
- $e =~ s/=([0-9A-F]{2})/chr(hex($1))/eg;
- $e;
+ my $charset;
+ my $sep = qr/[ \t]+/;
+ s{$re_encoded_word(?:$sep$re_encoded_word)*}{
+ my @words = split $sep, $&;
+ foreach (@words) {
+ m/$re_encoded_word/;
+ $charset = $1;
+ my $encoding = $2;
+ my $text = $3;
+ if ($encoding eq 'q' || $encoding eq 'Q') {
+ $_ = $text;
+ s/_/ /g;
+ s/=([0-9A-F]{2})/chr(hex($1))/egi;
+ } else {
+ # other encodings not supported yet
+ }
+ }
+ join '', @words;
}eg;
- return wantarray ? ($_, $encoding) : $_;
+ return wantarray ? ($_, $charset) : $_;
}
sub quote_rfc2047 {
sub is_rfc2047_quoted {
my $s = shift;
- my $token = qr/[^][()<>@,;:"\/?.= \000-\037\177-\377]+/;
- my $encoded_text = qr/[!->@-~]+/;
length($s) <= 75 &&
- $s =~ m/^(?:"[[:ascii:]]*"|=\?$token\?$token\?$encoded_text\?=)$/o;
+ $s =~ m/^(?:"[[:ascii:]]*"|$re_encoded_word)$/o;
}
sub subject_needs_rfc2047_quoting {
Subject: $subject
Date: $date
Message-Id: $message_id
-X-Mailer: git-send-email $gitversion
";
+ if ($use_xmailer) {
+ $header .= "X-Mailer: git-send-email $gitversion\n";
+ }
if ($reply_to) {
$header .= "In-Reply-To: $reply_to\n";
my $author_encoding;
my $has_content_type;
my $body_encoding;
+ my $xfer_encoding;
+ my $has_mime_version;
@to = ();
@cc = ();
@xh = ();
}
push @xh, $_;
}
+ elsif (/^MIME-Version/i) {
+ $has_mime_version = 1;
+ push @xh, $_;
+ }
elsif (/^Message-Id: (.*)/i) {
$message_id = $1;
}
+ elsif (/^Content-Transfer-Encoding: (.*)/i) {
+ $xfer_encoding = $1 if not defined $xfer_encoding;
+ }
elsif (!/^Date:\s/i && /^[-A-Za-z]+:\s+\S/) {
push @xh, $_;
}
if defined $cc_cmd && !$suppress_cc{'cccmd'};
if ($broken_encoding{$t} && !$has_content_type) {
+ $xfer_encoding = '8bit' if not defined $xfer_encoding;
$has_content_type = 1;
- push @xh, "MIME-Version: 1.0",
- "Content-Type: text/plain; charset=$auto_8bit_encoding",
- "Content-Transfer-Encoding: 8bit";
+ push @xh, "Content-Type: text/plain; charset=$auto_8bit_encoding";
$body_encoding = $auto_8bit_encoding;
}
}
}
else {
+ $xfer_encoding = '8bit' if not defined $xfer_encoding;
$has_content_type = 1;
push @xh,
- 'MIME-Version: 1.0',
- "Content-Type: text/plain; charset=$author_encoding",
- 'Content-Transfer-Encoding: 8bit';
+ "Content-Type: text/plain; charset=$author_encoding";
}
}
}
+ if (defined $target_xfer_encoding) {
+ $xfer_encoding = '8bit' if not defined $xfer_encoding;
+ $message = apply_transfer_encoding(
+ $message, $xfer_encoding, $target_xfer_encoding);
+ $xfer_encoding = $target_xfer_encoding;
+ }
+ if (defined $xfer_encoding) {
+ push @xh, "Content-Transfer-Encoding: $xfer_encoding";
+ }
+ if (defined $xfer_encoding or $has_content_type) {
+ unshift @xh, 'MIME-Version: 1.0' unless $has_mime_version;
+ }
$needs_confirm = (
$confirm eq "always" or
$smtp->quit if $smtp;
+sub apply_transfer_encoding {
+ my $message = shift;
+ my $from = shift;
+ my $to = shift;
+
+ return $message if ($from eq $to and $from ne '7bit');
+
+ require MIME::QuotedPrint;
+ require MIME::Base64;
+
+ $message = MIME::QuotedPrint::decode($message)
+ if ($from eq 'quoted-printable');
+ $message = MIME::Base64::decode($message)
+ if ($from eq 'base64');
+
+ die "cannot send message as 7bit"
+ if ($to eq '7bit' and $message =~ /[^[:ascii:]]/);
+ return $message
+ if ($to eq '7bit' or $to eq '8bit');
+ return MIME::QuotedPrint::encode($message, "\n", 0)
+ if ($to eq 'quoted-printable');
+ return MIME::Base64::encode($message, "\n")
+ if ($to eq 'base64');
+ die "invalid transfer encoding";
+}
+
sub unique_email_list {
my %seen;
my @emails;