diff options
Diffstat (limited to 'git-send-email.perl')
| -rwxr-xr-x | git-send-email.perl | 234 |
1 files changed, 183 insertions, 51 deletions
diff --git a/git-send-email.perl b/git-send-email.perl index 9949db01e1..e907e0eacf 100755 --- a/git-send-email.perl +++ b/git-send-email.perl @@ -54,10 +54,12 @@ git send-email [options] <file | directory | rev-list options > --[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. @@ -73,6 +75,8 @@ git send-email [options] <file | directory | rev-list options > Pass an empty string to disable certificate verification. --smtp-domain <str> * The domain name sent to HELO/EHLO handshake + --smtp-auth <str> * Space-separated list of allowed AUTH mechanisms. + This setting forces to use one of the listed mechanisms. --smtp-debug <0|1> * Disable, enable Net::SMTP debug. Automating: @@ -145,10 +149,15 @@ my $have_mail_address = eval { require Mail::Address; 1 }; 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 $envelope_sender; @@ -201,11 +210,12 @@ my ($cover_cc, $cover_to); my ($to_cmd, $cc_cmd); my ($smtp_server, $smtp_server_port, @smtp_server_options); my ($smtp_authuser, $smtp_encryption, $smtp_ssl_cert_path); -my ($identity, $aliasfiletype, @alias_files, $smtp_domain); +my ($identity, $aliasfiletype, @alias_files, $smtp_domain, $smtp_auth); my ($validate, $confirm); my (@suppress_cc); my ($auto_8bit_encoding); my ($compose_encoding); +my ($target_xfer_encoding); my ($debug_net_smtp) = 0; # Net::SMTP, see send_message() @@ -219,7 +229,8 @@ my %config_bool_settings = ( "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 = ( @@ -230,6 +241,7 @@ my %config_settings = ( "smtppass" => \$smtp_authpass, "smtpsslcertpath" => \$smtp_ssl_cert_path, "smtpdomain" => \$smtp_domain, + "smtpauth" => \$smtp_auth, "to" => \@initial_to, "tocmd" => \$to_cmd, "cc" => \@initial_cc, @@ -242,6 +254,7 @@ my %config_settings = ( "from" => \$sender, "assume8bitencoding" => \$auto_8bit_encoding, "composeencoding" => \$compose_encoding, + "transferencoding" => \$target_xfer_encoding, ); my %config_path_settings = ( @@ -289,6 +302,7 @@ my $rc = GetOptions("h" => \$help, "bcc=s" => \@bcclist, "no-bcc" => \$no_bcc, "chain-reply-to!" => \$chain_reply_to, + "no-chain-reply-to" => sub {$chain_reply_to = 0}, "smtp-server=s" => \$smtp_server, "smtp-server-option=s" => \@smtp_server_options, "smtp-server-port=s" => \$smtp_server_port, @@ -299,25 +313,37 @@ my $rc = GetOptions("h" => \$help, "smtp-ssl-cert-path=s" => \$smtp_ssl_cert_path, "smtp-debug:i" => \$debug_net_smtp, "smtp-domain:s" => \$smtp_domain, + "smtp-auth=s" => \$smtp_auth, "identity=s" => \$identity, "annotate!" => \$annotate, + "no-annotate" => sub {$annotate = 0}, "compose" => \$compose, "quiet" => \$quiet, "cc-cmd=s" => \$cc_cmd, "suppress-from!" => \$suppress_from, + "no-suppress-from" => sub {$suppress_from = 0}, "suppress-cc=s" => \@suppress_cc, "signed-off-cc|signed-off-by-cc!" => \$signed_off_by_cc, + "no-signed-off-cc|no-signed-off-by-cc" => sub {$signed_off_by_cc = 0}, "cc-cover|cc-cover!" => \$cover_cc, + "no-cc-cover" => sub {$cover_cc = 0}, "to-cover|to-cover!" => \$cover_to, + "no-to-cover" => sub {$cover_to = 0}, "confirm=s" => \$confirm, "dry-run" => \$dry_run, "envelope-sender=s" => \$envelope_sender, "thread!" => \$thread, + "no-thread" => sub {$thread = 0}, "validate!" => \$validate, + "no-validate" => sub {$validate = 0}, + "transfer-encoding=s" => \$target_xfer_encoding, "format-patch!" => \$format_patch, + "no-format-patch" => sub {$format_patch = 0}, "8bit-encoding=s" => \$auto_8bit_encoding, "compose-encoding=s" => \$compose_encoding, "force" => \$force, + "xmailer!" => \$use_xmailer, + "no-xmailer" => sub {$use_xmailer = 0}, ); usage() if $help; @@ -438,25 +464,11 @@ my ($repoauthor, $repocommitter); ($repoauthor) = Git::ident_person(@repo, 'author'); ($repocommitter) = Git::ident_person(@repo, 'committer'); -# Verify the user input - -foreach my $entry (@initial_to) { - die "Comma in --to entry: $entry'\n" unless $entry !~ m/,/; -} - -foreach my $entry (@initial_cc) { - die "Comma in --cc entry: $entry'\n" unless $entry !~ m/,/; -} - -foreach my $entry (@bcclist) { - die "Comma in --bcclist entry: $entry'\n" unless $entry !~ m/,/; -} - sub parse_address_line { if ($have_mail_address) { return map { $_->format } Mail::Address->parse($_[0]); } else { - return split_addrs($_[0]); + return Git::parse_mailboxes($_[0]); } } @@ -465,6 +477,37 @@ sub split_addrs { } my %aliases; + +sub parse_sendmail_alias { + local $_ = shift; + if (/"/) { + print STDERR "warning: sendmail alias with quotes is not supported: $_\n"; + } elsif (/:include:/) { + print STDERR "warning: `:include:` not supported: $_\n"; + } elsif (/[\/|]/) { + print STDERR "warning: `/file` or `|pipe` redirection not supported: $_\n"; + } elsif (/^(\S+?)\s*:\s*(.+)$/) { + my ($alias, $addr) = ($1, $2); + $aliases{$alias} = [ split_addrs($addr) ]; + } else { + print STDERR "warning: sendmail line is not recognized: $_\n"; + } +} + +sub parse_sendmail_aliases { + my $fh = shift; + my $s = ''; + while (<$fh>) { + chomp; + next if /^\s*$/ || /^\s*#/; + $s .= $_, next if $s =~ s/\\$// || s/^\s+//; + parse_sendmail_alias($s) if $s; + $s = $_; + } + $s =~ s/\\$//; # silently tolerate stray '\' on last line + parse_sendmail_alias($s) if $s; +} + my %parse_alias = ( # multiline formats can be supported in the future mutt => sub { my $fh = shift; while (<$fh>) { @@ -493,7 +536,7 @@ my %parse_alias = ( $aliases{$alias} = [ split_addrs($addr) ]; } } }, - + sendmail => \&parse_sendmail_aliases, gnus => sub { my $fh = shift; while (<$fh>) { if (/\(define-mail-alias\s+"(\S+?)"\s+"(\S+?)"\)/) { $aliases{$1} = [ $2 ]; @@ -508,8 +551,6 @@ if (@alias_files and $aliasfiletype and defined $parse_alias{$aliasfiletype}) { } } -($sender) = expand_aliases($sender) if defined $sender; - # is_format_patch_arg($f) returns 0 if $f names a patch, or 1 if # $f is a revision list specification to be passed to format-patch. sub is_format_patch_arg { @@ -740,6 +781,7 @@ if (!defined $auto_8bit_encoding && scalar %broken_encoding) { print " $f\n"; } $auto_8bit_encoding = ask("Which 8bit encoding should I declare [UTF-8]? ", + valid_re => qr/.{4}/, confirm_only => 1, default => "UTF-8"); } @@ -753,7 +795,10 @@ if (!$force) { } } -if (!defined $sender) { +if (defined $sender) { + $sender =~ s/^\s+|\s+$//g; + ($sender) = expand_aliases($sender); +} else { $sender = $repoauthor || $repocommitter || ''; } @@ -785,12 +830,9 @@ sub expand_one_alias { return $aliases{$alias} ? expand_aliases(@{$aliases{$alias}}) : $alias; } -@initial_to = expand_aliases(@initial_to); -@initial_to = validate_address_list(sanitize_address_list(@initial_to)); -@initial_cc = expand_aliases(@initial_cc); -@initial_cc = validate_address_list(sanitize_address_list(@initial_cc)); -@bcclist = expand_aliases(@bcclist); -@bcclist = validate_address_list(sanitize_address_list(@bcclist)); +@initial_to = process_address_list(@initial_to); +@initial_cc = process_address_list(@initial_cc); +@bcclist = process_address_list(@bcclist); if ($thread && !defined $initial_reply_to && $prompting) { $initial_reply_to = ask( @@ -913,15 +955,26 @@ $time = time - scalar $#files; sub unquote_rfc2047 { local ($_) = @_; - 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 { @@ -934,10 +987,8 @@ 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 { @@ -974,15 +1025,17 @@ sub sanitize_address { return $recipient; } + # remove non-escaped quotes + $recipient_name =~ s/(^|[^\\])"/$1/g; + # rfc2047 is needed if a non-ascii char is included if ($recipient_name =~ /[^[:ascii:]]/) { - $recipient_name =~ s/^"(.*)"$/$1/; $recipient_name = quote_rfc2047($recipient_name); } # double quotes are needed if specials or CTLs are included elsif ($recipient_name =~ /[][()<>@,;:\\".\000-\037\177]/) { - $recipient_name =~ s/(["\\\r])/\\$1/g; + $recipient_name =~ s/([\\\r])/\\$1/g; $recipient_name = qq["$recipient_name"]; } @@ -994,6 +1047,14 @@ sub sanitize_address_list { return (map { sanitize_address($_) } @_); } +sub process_address_list { + my @addr_list = map { parse_address_line($_) } @_; + @addr_list = expand_aliases(@addr_list); + @addr_list = sanitize_address_list(@addr_list); + @addr_list = validate_address_list(@addr_list); + return @addr_list; +} + # Returns the local Fully Qualified Domain Name (FQDN) if available. # # Tightly configured MTAa require that a caller sends a real DNS @@ -1073,6 +1134,12 @@ sub smtp_auth_maybe { Authen::SASL->import(qw(Perl)); }; + # Check mechanism naming as defined in: + # https://tools.ietf.org/html/rfc4422#page-8 + if ($smtp_auth && $smtp_auth !~ /^(\b[A-Z0-9-_]{1,20}\s*)*$/) { + die "invalid smtp auth: '${smtp_auth}'"; + } + # TODO: Authentication may fail not because credentials were # invalid but due to other reasons, in which we should not # reject credentials. @@ -1085,6 +1152,20 @@ sub smtp_auth_maybe { 'password' => $smtp_authpass }, sub { my $cred = shift; + + if ($smtp_auth) { + my $sasl = Authen::SASL->new( + mechanism => $smtp_auth, + callback => { + user => $cred->{'username'}, + pass => $cred->{'password'}, + authname => $cred->{'username'}, + } + ); + + return !!$smtp->auth($sasl); + } + return !!$smtp->auth($cred->{'username'}, $cred->{'password'}); }); @@ -1163,8 +1244,10 @@ To: $to${ccline} 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"; @@ -1282,7 +1365,11 @@ X-Mailer: git-send-email $gitversion $smtp->mail( $raw_from ) or die $smtp->message; $smtp->to( @recipients ) or die $smtp->message; $smtp->data or die $smtp->message; - $smtp->datasend("$header\n$message") or die $smtp->message; + $smtp->datasend("$header\n") or die $smtp->message; + my @lines = split /^/, $message; + foreach my $line (@lines) { + $smtp->datasend("$line") or die $smtp->message; + } $smtp->dataend() or die $smtp->message; $smtp->code =~ /250|200/ or die "Failed to send $subject\n".$smtp->message; } @@ -1324,6 +1411,8 @@ foreach my $t (@files) { my $author_encoding; my $has_content_type; my $body_encoding; + my $xfer_encoding; + my $has_mime_version; @to = (); @cc = (); @xh = (); @@ -1394,9 +1483,16 @@ foreach my $t (@files) { } 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, $_; } @@ -1444,10 +1540,9 @@ foreach my $t (@files) { 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; } @@ -1467,14 +1562,25 @@ foreach my $t (@files) { } } 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 @@ -1482,8 +1588,8 @@ foreach my $t (@files) { ($confirm =~ /^(?:auto|compose)$/ && $compose && $message_num == 1)); $needs_confirm = "inform" if ($needs_confirm && $confirm_unconfigured && @cc); - @to = validate_address_list(sanitize_address_list(@to)); - @cc = validate_address_list(sanitize_address_list(@cc)); + @to = process_address_list(@to); + @cc = process_address_list(@cc); @to = (@initial_to, @to); @cc = (@initial_cc, @cc); @@ -1543,6 +1649,32 @@ sub cleanup_compose_files { $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; |