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Add new testcase to show fast-export does not always exports all tags
[git.git] / git-send-email.perl
1 #!/usr/bin/perl -w
2 #
3 # Copyright 2002,2005 Greg Kroah-Hartman <greg@kroah.com>
4 # Copyright 2005 Ryan Anderson <ryan@michonline.com>
5 #
6 # GPL v2 (See COPYING)
7 #
8 # Ported to support git "mbox" format files by Ryan Anderson <ryan@michonline.com>
9 #
10 # Sends a collection of emails to the given email addresses, disturbingly fast.
11 #
12 # Supports two formats:
13 # 1. mbox format files (ignoring most headers and MIME formatting - this is designed for sending patches)
14 # 2. The original format support by Greg's script:
15 #    first line of the message is who to CC,
16 #    and second line is the subject of the message.
17 #
19 use strict;
20 use warnings;
21 use Term::ReadLine;
22 use Getopt::Long;
23 use Data::Dumper;
24 use Term::ANSIColor;
25 use Git;
27 package FakeTerm;
28 sub new {
29         my ($class, $reason) = @_;
30         return bless \$reason, shift;
31 }
32 sub readline {
33         my $self = shift;
34         die "Cannot use readline on FakeTerm: $$self";
35 }
36 package main;
39 sub usage {
40         print <<EOT;
41 git send-email [options] <file | directory>...
42 Options:
43    --from         Specify the "From:" line of the email to be sent.
45    --to           Specify the primary "To:" line of the email.
47    --cc           Specify an initial "Cc:" list for the entire series
48                   of emails.
50    --cc-cmd       Specify a command to execute per file which adds
51                   per file specific cc address entries
53    --bcc          Specify a list of email addresses that should be Bcc:
54                   on all the emails.
56    --compose      Use \$GIT_EDITOR, core.editor, \$EDITOR, or \$VISUAL to edit
57                   an introductory message for the patch series.
59    --subject      Specify the initial "Subject:" line.
60                   Only necessary if --compose is also set.  If --compose
61                   is not set, this will be prompted for.
63    --in-reply-to  Specify the first "In-Reply-To:" header line.
64                   Only used if --compose is also set.  If --compose is not
65                   set, this will be prompted for.
67    --chain-reply-to If set, the replies will all be to the previous
68                   email sent, rather than to the first email sent.
69                   Defaults to on.
71    --signed-off-cc Automatically add email addresses that appear in
72                  Signed-off-by: or Cc: lines to the cc: list. Defaults to on.
74    --identity     The configuration identity, a subsection to prioritise over
75                   the default section.
77    --smtp-server  If set, specifies the outgoing SMTP server to use.
78                   Defaults to localhost.  Port number can be specified here with
79                   hostname:port format or by using --smtp-server-port option.
81    --smtp-server-port Specify a port on the outgoing SMTP server to connect to.
83    --smtp-user    The username for SMTP-AUTH.
85    --smtp-pass    The password for SMTP-AUTH.
87    --smtp-encryption Specify 'tls' for STARTTLS encryption, or 'ssl' for SSL.
88                   Any other value disables the feature.
90    --smtp-ssl     Synonym for '--smtp-encryption=ssl'.  Deprecated.
92    --suppress-cc  Suppress the specified category of auto-CC.  The category
93                   can be one of 'author' for the patch author, 'self' to
94                   avoid copying yourself, 'sob' for Signed-off-by lines,
95                   'cccmd' for the output of the cccmd, or 'all' to suppress
96                   all of these.
98    --suppress-from Suppress sending emails to yourself. Defaults to off.
100    --thread       Specify that the "In-Reply-To:" header should be set on all
101                   emails. Defaults to on.
103    --quiet        Make git-send-email less verbose.  One line per email
104                   should be all that is output.
106    --dry-run      Do everything except actually send the emails.
108    --envelope-sender    Specify the envelope sender used to send the emails.
110    --no-validate        Don't perform any sanity checks on patches.
112 EOT
113         exit(1);
116 # most mail servers generate the Date: header, but not all...
117 sub format_2822_time {
118         my ($time) = @_;
119         my @localtm = localtime($time);
120         my @gmttm = gmtime($time);
121         my $localmin = $localtm[1] + $localtm[2] * 60;
122         my $gmtmin = $gmttm[1] + $gmttm[2] * 60;
123         if ($localtm[0] != $gmttm[0]) {
124                 die "local zone differs from GMT by a non-minute interval\n";
125         }
126         if ((($gmttm[6] + 1) % 7) == $localtm[6]) {
127                 $localmin += 1440;
128         } elsif ((($gmttm[6] - 1) % 7) == $localtm[6]) {
129                 $localmin -= 1440;
130         } elsif ($gmttm[6] != $localtm[6]) {
131                 die "local time offset greater than or equal to 24 hours\n";
132         }
133         my $offset = $localmin - $gmtmin;
134         my $offhour = $offset / 60;
135         my $offmin = abs($offset % 60);
136         if (abs($offhour) >= 24) {
137                 die ("local time offset greater than or equal to 24 hours\n");
138         }
140         return sprintf("%s, %2d %s %d %02d:%02d:%02d %s%02d%02d",
141                        qw(Sun Mon Tue Wed Thu Fri Sat)[$localtm[6]],
142                        $localtm[3],
143                        qw(Jan Feb Mar Apr May Jun
144                           Jul Aug Sep Oct Nov Dec)[$localtm[4]],
145                        $localtm[5]+1900,
146                        $localtm[2],
147                        $localtm[1],
148                        $localtm[0],
149                        ($offset >= 0) ? '+' : '-',
150                        abs($offhour),
151                        $offmin,
152                        );
155 my $have_email_valid = eval { require Email::Valid; 1 };
156 my $smtp;
157 my $auth;
159 sub unique_email_list(@);
160 sub cleanup_compose_files();
162 # Constants (essentially)
163 my $compose_filename = ".msg.$$";
165 # Variables we fill in automatically, or via prompting:
166 my (@to,@cc,@initial_cc,@bcclist,@xh,
167         $initial_reply_to,$initial_subject,@files,$author,$sender,$smtp_authpass,$compose,$time);
169 my $envelope_sender;
171 # Example reply to:
172 #$initial_reply_to = ''; #<20050203173208.GA23964@foobar.com>';
174 my $repo = eval { Git->repository() };
175 my @repo = $repo ? ($repo) : ();
176 my $term = eval {
177         $ENV{"GIT_SEND_EMAIL_NOTTY"}
178                 ? new Term::ReadLine 'git-send-email', \*STDIN, \*STDOUT
179                 : new Term::ReadLine 'git-send-email';
180 };
181 if ($@) {
182         $term = new FakeTerm "$@: going non-interactive";
185 # Behavior modification variables
186 my ($quiet, $dry_run) = (0, 0);
188 # Variables with corresponding config settings
189 my ($thread, $chain_reply_to, $suppress_from, $signed_off_cc, $cc_cmd);
190 my ($smtp_server, $smtp_server_port, $smtp_authuser, $smtp_encryption);
191 my ($identity, $aliasfiletype, @alias_files, @smtp_host_parts);
192 my ($no_validate);
193 my (@suppress_cc);
195 my %config_bool_settings = (
196     "thread" => [\$thread, 1],
197     "chainreplyto" => [\$chain_reply_to, 1],
198     "suppressfrom" => [\$suppress_from, undef],
199     "signedoffcc" => [\$signed_off_cc, undef],
200 );
202 my %config_settings = (
203     "smtpserver" => \$smtp_server,
204     "smtpserverport" => \$smtp_server_port,
205     "smtpuser" => \$smtp_authuser,
206     "smtppass" => \$smtp_authpass,
207     "to" => \@to,
208     "cc" => \@initial_cc,
209     "cccmd" => \$cc_cmd,
210     "aliasfiletype" => \$aliasfiletype,
211     "bcc" => \@bcclist,
212     "aliasesfile" => \@alias_files,
213     "suppresscc" => \@suppress_cc,
214     "envelopesender" => \$envelope_sender,
215 );
217 # Handle Uncouth Termination
218 sub signal_handler {
220         # Make text normal
221         print color("reset"), "\n";
223         # SMTP password masked
224         system "stty echo";
226         # tmp files from --compose
227         if (-e $compose_filename) {
228                 print "'$compose_filename' contains an intermediate version of the email you were composing.\n";
229         }
230         if (-e ($compose_filename . ".final")) {
231                 print "'$compose_filename.final' contains the composed email.\n"
232         }
234         exit;
235 };
237 $SIG{TERM} = \&signal_handler;
238 $SIG{INT}  = \&signal_handler;
240 # Begin by accumulating all the variables (defined above), that we will end up
241 # needing, first, from the command line:
243 my $rc = GetOptions("sender|from=s" => \$sender,
244                     "in-reply-to=s" => \$initial_reply_to,
245                     "subject=s" => \$initial_subject,
246                     "to=s" => \@to,
247                     "cc=s" => \@initial_cc,
248                     "bcc=s" => \@bcclist,
249                     "chain-reply-to!" => \$chain_reply_to,
250                     "smtp-server=s" => \$smtp_server,
251                     "smtp-server-port=s" => \$smtp_server_port,
252                     "smtp-user=s" => \$smtp_authuser,
253                     "smtp-pass:s" => \$smtp_authpass,
254                     "smtp-ssl" => sub { $smtp_encryption = 'ssl' },
255                     "smtp-encryption=s" => \$smtp_encryption,
256                     "identity=s" => \$identity,
257                     "compose" => \$compose,
258                     "quiet" => \$quiet,
259                     "cc-cmd=s" => \$cc_cmd,
260                     "suppress-from!" => \$suppress_from,
261                     "suppress-cc=s" => \@suppress_cc,
262                     "signed-off-cc|signed-off-by-cc!" => \$signed_off_cc,
263                     "dry-run" => \$dry_run,
264                     "envelope-sender=s" => \$envelope_sender,
265                     "thread!" => \$thread,
266                     "no-validate" => \$no_validate,
267          );
269 unless ($rc) {
270     usage();
273 # Now, let's fill any that aren't set in with defaults:
275 sub read_config {
276         my ($prefix) = @_;
278         foreach my $setting (keys %config_bool_settings) {
279                 my $target = $config_bool_settings{$setting}->[0];
280                 $$target = Git::config_bool(@repo, "$prefix.$setting") unless (defined $$target);
281         }
283         foreach my $setting (keys %config_settings) {
284                 my $target = $config_settings{$setting};
285                 if (ref($target) eq "ARRAY") {
286                         unless (@$target) {
287                                 my @values = Git::config(@repo, "$prefix.$setting");
288                                 @$target = @values if (@values && defined $values[0]);
289                         }
290                 }
291                 else {
292                         $$target = Git::config(@repo, "$prefix.$setting") unless (defined $$target);
293                 }
294         }
296         if (!defined $smtp_encryption) {
297                 my $enc = Git::config(@repo, "$prefix.smtpencryption");
298                 if (defined $enc) {
299                         $smtp_encryption = $enc;
300                 } elsif (Git::config_bool(@repo, "$prefix.smtpssl")) {
301                         $smtp_encryption = 'ssl';
302                 }
303         }
306 # read configuration from [sendemail "$identity"], fall back on [sendemail]
307 $identity = Git::config(@repo, "sendemail.identity") unless (defined $identity);
308 read_config("sendemail.$identity") if (defined $identity);
309 read_config("sendemail");
311 # fall back on builtin bool defaults
312 foreach my $setting (values %config_bool_settings) {
313         ${$setting->[0]} = $setting->[1] unless (defined (${$setting->[0]}));
316 # 'default' encryption is none -- this only prevents a warning
317 $smtp_encryption = '' unless (defined $smtp_encryption);
319 # Set CC suppressions
320 my(%suppress_cc);
321 if (@suppress_cc) {
322         foreach my $entry (@suppress_cc) {
323                 die "Unknown --suppress-cc field: '$entry'\n"
324                         unless $entry =~ /^(all|cccmd|cc|author|self|sob)$/;
325                 $suppress_cc{$entry} = 1;
326         }
329 if ($suppress_cc{'all'}) {
330         foreach my $entry (qw (ccmd cc author self sob)) {
331                 $suppress_cc{$entry} = 1;
332         }
333         delete $suppress_cc{'all'};
336 # If explicit old-style ones are specified, they trump --suppress-cc.
337 $suppress_cc{'self'} = $suppress_from if defined $suppress_from;
338 $suppress_cc{'sob'} = !$signed_off_cc if defined $signed_off_cc;
340 # Debugging, print out the suppressions.
341 if (0) {
342         print "suppressions:\n";
343         foreach my $entry (keys %suppress_cc) {
344                 printf "  %-5s -> $suppress_cc{$entry}\n", $entry;
345         }
348 my ($repoauthor, $repocommitter);
349 ($repoauthor) = Git::ident_person(@repo, 'author');
350 ($repocommitter) = Git::ident_person(@repo, 'committer');
352 # Verify the user input
354 foreach my $entry (@to) {
355         die "Comma in --to entry: $entry'\n" unless $entry !~ m/,/;
358 foreach my $entry (@initial_cc) {
359         die "Comma in --cc entry: $entry'\n" unless $entry !~ m/,/;
362 foreach my $entry (@bcclist) {
363         die "Comma in --bcclist entry: $entry'\n" unless $entry !~ m/,/;
366 my %aliases;
367 my %parse_alias = (
368         # multiline formats can be supported in the future
369         mutt => sub { my $fh = shift; while (<$fh>) {
370                 if (/^\s*alias\s+(\S+)\s+(.*)$/) {
371                         my ($alias, $addr) = ($1, $2);
372                         $addr =~ s/#.*$//; # mutt allows # comments
373                          # commas delimit multiple addresses
374                         $aliases{$alias} = [ split(/\s*,\s*/, $addr) ];
375                 }}},
376         mailrc => sub { my $fh = shift; while (<$fh>) {
377                 if (/^alias\s+(\S+)\s+(.*)$/) {
378                         # spaces delimit multiple addresses
379                         $aliases{$1} = [ split(/\s+/, $2) ];
380                 }}},
381         pine => sub { my $fh = shift; while (<$fh>) {
382                 if (/^(\S+)\t.*\t(.*)$/) {
383                         $aliases{$1} = [ split(/\s*,\s*/, $2) ];
384                 }}},
385         gnus => sub { my $fh = shift; while (<$fh>) {
386                 if (/\(define-mail-alias\s+"(\S+?)"\s+"(\S+?)"\)/) {
387                         $aliases{$1} = [ $2 ];
388                 }}}
389 );
391 if (@alias_files and $aliasfiletype and defined $parse_alias{$aliasfiletype}) {
392         foreach my $file (@alias_files) {
393                 open my $fh, '<', $file or die "opening $file: $!\n";
394                 $parse_alias{$aliasfiletype}->($fh);
395                 close $fh;
396         }
399 ($sender) = expand_aliases($sender) if defined $sender;
401 # Now that all the defaults are set, process the rest of the command line
402 # arguments and collect up the files that need to be processed.
403 for my $f (@ARGV) {
404         if (-d $f) {
405                 opendir(DH,$f)
406                         or die "Failed to opendir $f: $!";
408                 push @files, grep { -f $_ } map { +$f . "/" . $_ }
409                                 sort readdir(DH);
410                 closedir(DH);
411         } elsif (-f $f or -p $f) {
412                 push @files, $f;
413         } else {
414                 print STDERR "Skipping $f - not found.\n";
415         }
418 if (!$no_validate) {
419         foreach my $f (@files) {
420                 unless (-p $f) {
421                         my $error = validate_patch($f);
422                         $error and die "fatal: $f: $error\nwarning: no patches were sent\n";
423                 }
424         }
427 if (@files) {
428         unless ($quiet) {
429                 print $_,"\n" for (@files);
430         }
431 } else {
432         print STDERR "\nNo patch files specified!\n\n";
433         usage();
436 my $prompting = 0;
437 if (!defined $sender) {
438         $sender = $repoauthor || $repocommitter || '';
440         while (1) {
441                 $_ = $term->readline("Who should the emails appear to be from? [$sender] ");
442                 last if defined $_;
443                 print "\n";
444         }
446         $sender = $_ if ($_);
447         print "Emails will be sent from: ", $sender, "\n";
448         $prompting++;
451 if (!@to) {
454         while (1) {
455                 $_ = $term->readline("Who should the emails be sent to? ", "");
456                 last if defined $_;
457                 print "\n";
458         }
460         my $to = $_;
461         push @to, split /,\s*/, $to;
462         $prompting++;
465 sub expand_aliases {
466         my @cur = @_;
467         my @last;
468         do {
469                 @last = @cur;
470                 @cur = map { $aliases{$_} ? @{$aliases{$_}} : $_ } @last;
471         } while (join(',',@cur) ne join(',',@last));
472         return @cur;
475 @to = expand_aliases(@to);
476 @to = (map { sanitize_address($_) } @to);
477 @initial_cc = expand_aliases(@initial_cc);
478 @bcclist = expand_aliases(@bcclist);
480 if (!defined $initial_subject && $compose) {
481         while (1) {
482                 $_ = $term->readline("What subject should the initial email start with? ", $initial_subject);
483                 last if defined $_;
484                 print "\n";
485         }
487         $initial_subject = $_;
488         $prompting++;
491 if ($thread && !defined $initial_reply_to && $prompting) {
492         while (1) {
493                 $_= $term->readline("Message-ID to be used as In-Reply-To for the first email? ", $initial_reply_to);
494                 last if defined $_;
495                 print "\n";
496         }
498         $initial_reply_to = $_;
500 if (defined $initial_reply_to) {
501         $initial_reply_to =~ s/^\s*<?//;
502         $initial_reply_to =~ s/>?\s*$//;
503         $initial_reply_to = "<$initial_reply_to>" if $initial_reply_to ne '';
506 if (!defined $smtp_server) {
507         foreach (qw( /usr/sbin/sendmail /usr/lib/sendmail )) {
508                 if (-x $_) {
509                         $smtp_server = $_;
510                         last;
511                 }
512         }
513         $smtp_server ||= 'localhost'; # could be 127.0.0.1, too... *shrug*
516 if ($compose) {
517         # Note that this does not need to be secure, but we will make a small
518         # effort to have it be unique
519         open(C,">",$compose_filename)
520                 or die "Failed to open for writing $compose_filename: $!";
521         print C "From $sender # This line is ignored.\n";
522         printf C "Subject: %s\n\n", $initial_subject;
523         printf C <<EOT;
524 GIT: Please enter your email below.
525 GIT: Lines beginning in "GIT: " will be removed.
526 GIT: Consider including an overall diffstat or table of contents
527 GIT: for the patch you are writing.
529 EOT
530         close(C);
532         my $editor = $ENV{GIT_EDITOR} || Git::config(@repo, "core.editor") || $ENV{VISUAL} || $ENV{EDITOR} || "vi";
533         system('sh', '-c', $editor.' "$@"', $editor, $compose_filename);
535         open(C2,">",$compose_filename . ".final")
536                 or die "Failed to open $compose_filename.final : " . $!;
538         open(C,"<",$compose_filename)
539                 or die "Failed to open $compose_filename : " . $!;
541         my $need_8bit_cte = file_has_nonascii($compose_filename);
542         my $in_body = 0;
543         while(<C>) {
544                 next if m/^GIT: /;
545                 if (!$in_body && /^\n$/) {
546                         $in_body = 1;
547                         if ($need_8bit_cte) {
548                                 print C2 "MIME-Version: 1.0\n",
549                                          "Content-Type: text/plain; ",
550                                            "charset=utf-8\n",
551                                          "Content-Transfer-Encoding: 8bit\n";
552                         }
553                 }
554                 if (!$in_body && /^MIME-Version:/i) {
555                         $need_8bit_cte = 0;
556                 }
557                 if (!$in_body && /^Subject: ?(.*)/i) {
558                         my $subject = $1;
559                         $_ = "Subject: " .
560                                 ($subject =~ /[^[:ascii:]]/ ?
561                                  quote_rfc2047($subject) :
562                                  $subject) .
563                                 "\n";
564                 }
565                 print C2 $_;
566         }
567         close(C);
568         close(C2);
570         while (1) {
571                 $_ = $term->readline("Send this email? (y|n) ");
572                 last if defined $_;
573                 print "\n";
574         }
576         if (uc substr($_,0,1) ne 'Y') {
577                 cleanup_compose_files();
578                 exit(0);
579         }
581         @files = ($compose_filename . ".final", @files);
584 # Variables we set as part of the loop over files
585 our ($message_id, %mail, $subject, $reply_to, $references, $message);
587 sub extract_valid_address {
588         my $address = shift;
589         my $local_part_regexp = '[^<>"\s@]+';
590         my $domain_regexp = '[^.<>"\s@]+(?:\.[^.<>"\s@]+)+';
592         # check for a local address:
593         return $address if ($address =~ /^($local_part_regexp)$/);
595         $address =~ s/^\s*<(.*)>\s*$/$1/;
596         if ($have_email_valid) {
597                 return scalar Email::Valid->address($address);
598         } else {
599                 # less robust/correct than the monster regexp in Email::Valid,
600                 # but still does a 99% job, and one less dependency
601                 $address =~ /($local_part_regexp\@$domain_regexp)/;
602                 return $1;
603         }
606 # Usually don't need to change anything below here.
608 # we make a "fake" message id by taking the current number
609 # of seconds since the beginning of Unix time and tacking on
610 # a random number to the end, in case we are called quicker than
611 # 1 second since the last time we were called.
613 # We'll setup a template for the message id, using the "from" address:
615 my ($message_id_stamp, $message_id_serial);
616 sub make_message_id
618         my $uniq;
619         if (!defined $message_id_stamp) {
620                 $message_id_stamp = sprintf("%s-%s", time, $$);
621                 $message_id_serial = 0;
622         }
623         $message_id_serial++;
624         $uniq = "$message_id_stamp-$message_id_serial";
626         my $du_part;
627         for ($sender, $repocommitter, $repoauthor) {
628                 $du_part = extract_valid_address(sanitize_address($_));
629                 last if (defined $du_part and $du_part ne '');
630         }
631         if (not defined $du_part or $du_part eq '') {
632                 use Sys::Hostname qw();
633                 $du_part = 'user@' . Sys::Hostname::hostname();
634         }
635         my $message_id_template = "<%s-git-send-email-%s>";
636         $message_id = sprintf($message_id_template, $uniq, $du_part);
637         #print "new message id = $message_id\n"; # Was useful for debugging
642 $time = time - scalar $#files;
644 sub unquote_rfc2047 {
645         local ($_) = @_;
646         my $encoding;
647         if (s/=\?([^?]+)\?q\?(.*)\?=/$2/g) {
648                 $encoding = $1;
649                 s/_/ /g;
650                 s/=([0-9A-F]{2})/chr(hex($1))/eg;
651         }
652         return wantarray ? ($_, $encoding) : $_;
655 sub quote_rfc2047 {
656         local $_ = shift;
657         my $encoding = shift || 'utf-8';
658         s/([^-a-zA-Z0-9!*+\/])/sprintf("=%02X", ord($1))/eg;
659         s/(.*)/=\?$encoding\?q\?$1\?=/;
660         return $_;
663 # use the simplest quoting being able to handle the recipient
664 sub sanitize_address
666         my ($recipient) = @_;
667         my ($recipient_name, $recipient_addr) = ($recipient =~ /^(.*?)\s*(<.*)/);
669         if (not $recipient_name) {
670                 return "$recipient";
671         }
673         # if recipient_name is already quoted, do nothing
674         if ($recipient_name =~ /^(".*"|=\?utf-8\?q\?.*\?=)$/) {
675                 return $recipient;
676         }
678         # rfc2047 is needed if a non-ascii char is included
679         if ($recipient_name =~ /[^[:ascii:]]/) {
680                 $recipient_name = quote_rfc2047($recipient_name);
681         }
683         # double quotes are needed if specials or CTLs are included
684         elsif ($recipient_name =~ /[][()<>@,;:\\".\000-\037\177]/) {
685                 $recipient_name =~ s/(["\\\r])/\\$1/g;
686                 $recipient_name = "\"$recipient_name\"";
687         }
689         return "$recipient_name $recipient_addr";
693 sub send_message
695         my @recipients = unique_email_list(@to);
696         @cc = (grep { my $cc = extract_valid_address($_);
697                       not grep { $cc eq $_ } @recipients
698                     }
699                map { sanitize_address($_) }
700                @cc);
701         my $to = join (",\n\t", @recipients);
702         @recipients = unique_email_list(@recipients,@cc,@bcclist);
703         @recipients = (map { extract_valid_address($_) } @recipients);
704         my $date = format_2822_time($time++);
705         my $gitversion = '@@GIT_VERSION@@';
706         if ($gitversion =~ m/..GIT_VERSION../) {
707             $gitversion = Git::version();
708         }
710         my $cc = join(", ", unique_email_list(@cc));
711         my $ccline = "";
712         if ($cc ne '') {
713                 $ccline = "\nCc: $cc";
714         }
715         my $sanitized_sender = sanitize_address($sender);
716         make_message_id() unless defined($message_id);
718         my $header = "From: $sanitized_sender
719 To: $to${ccline}
720 Subject: $subject
721 Date: $date
722 Message-Id: $message_id
723 X-Mailer: git-send-email $gitversion
724 ";
725         if ($thread && $reply_to) {
727                 $header .= "In-Reply-To: $reply_to\n";
728                 $header .= "References: $references\n";
729         }
730         if (@xh) {
731                 $header .= join("\n", @xh) . "\n";
732         }
734         my @sendmail_parameters = ('-i', @recipients);
735         my $raw_from = $sanitized_sender;
736         $raw_from = $envelope_sender if (defined $envelope_sender);
737         $raw_from = extract_valid_address($raw_from);
738         unshift (@sendmail_parameters,
739                         '-f', $raw_from) if(defined $envelope_sender);
741         if ($dry_run) {
742                 # We don't want to send the email.
743         } elsif ($smtp_server =~ m#^/#) {
744                 my $pid = open my $sm, '|-';
745                 defined $pid or die $!;
746                 if (!$pid) {
747                         exec($smtp_server, @sendmail_parameters) or die $!;
748                 }
749                 print $sm "$header\n$message";
750                 close $sm or die $?;
751         } else {
753                 if (!defined $smtp_server) {
754                         die "The required SMTP server is not properly defined."
755                 }
757                 if ($smtp_encryption eq 'ssl') {
758                         $smtp_server_port ||= 465; # ssmtp
759                         require Net::SMTP::SSL;
760                         $smtp ||= Net::SMTP::SSL->new($smtp_server, Port => $smtp_server_port);
761                 }
762                 else {
763                         require Net::SMTP;
764                         $smtp ||= Net::SMTP->new((defined $smtp_server_port)
765                                                  ? "$smtp_server:$smtp_server_port"
766                                                  : $smtp_server);
767                         if ($smtp_encryption eq 'tls') {
768                                 require Net::SMTP::SSL;
769                                 $smtp->command('STARTTLS');
770                                 $smtp->response();
771                                 if ($smtp->code == 220) {
772                                         $smtp = Net::SMTP::SSL->start_SSL($smtp)
773                                                 or die "STARTTLS failed! ".$smtp->message;
774                                         $smtp_encryption = '';
775                                         # Send EHLO again to receive fresh
776                                         # supported commands
777                                         $smtp->hello();
778                                 } else {
779                                         die "Server does not support STARTTLS! ".$smtp->message;
780                                 }
781                         }
782                 }
784                 if (!$smtp) {
785                         die "Unable to initialize SMTP properly.  Is there something wrong with your config?";
786                 }
788                 if (defined $smtp_authuser) {
790                         if (!defined $smtp_authpass) {
792                                 system "stty -echo";
794                                 do {
795                                         print "Password: ";
796                                         $_ = <STDIN>;
797                                         print "\n";
798                                 } while (!defined $_);
800                                 chomp($smtp_authpass = $_);
802                                 system "stty echo";
803                         }
805                         $auth ||= $smtp->auth( $smtp_authuser, $smtp_authpass ) or die $smtp->message;
806                 }
808                 $smtp->mail( $raw_from ) or die $smtp->message;
809                 $smtp->to( @recipients ) or die $smtp->message;
810                 $smtp->data or die $smtp->message;
811                 $smtp->datasend("$header\n$message") or die $smtp->message;
812                 $smtp->dataend() or die $smtp->message;
813                 $smtp->ok or die "Failed to send $subject\n".$smtp->message;
814         }
815         if ($quiet) {
816                 printf (($dry_run ? "Dry-" : "")."Sent %s\n", $subject);
817         } else {
818                 print (($dry_run ? "Dry-" : "")."OK. Log says:\n");
819                 if ($smtp_server !~ m#^/#) {
820                         print "Server: $smtp_server\n";
821                         print "MAIL FROM:<$raw_from>\n";
822                         print "RCPT TO:".join(',',(map { "<$_>" } @recipients))."\n";
823                 } else {
824                         print "Sendmail: $smtp_server ".join(' ',@sendmail_parameters)."\n";
825                 }
826                 print $header, "\n";
827                 if ($smtp) {
828                         print "Result: ", $smtp->code, ' ',
829                                 ($smtp->message =~ /\n([^\n]+\n)$/s), "\n";
830                 } else {
831                         print "Result: OK\n";
832                 }
833         }
836 $reply_to = $initial_reply_to;
837 $references = $initial_reply_to || '';
838 $subject = $initial_subject;
840 foreach my $t (@files) {
841         open(F,"<",$t) or die "can't open file $t";
843         my $author = undef;
844         my $author_encoding;
845         my $has_content_type;
846         my $body_encoding;
847         @cc = @initial_cc;
848         @xh = ();
849         my $input_format = undef;
850         my $header_done = 0;
851         $message = "";
852         while(<F>) {
853                 if (!$header_done) {
854                         if (/^From /) {
855                                 $input_format = 'mbox';
856                                 next;
857                         }
858                         chomp;
859                         if (!defined $input_format && /^[-A-Za-z]+:\s/) {
860                                 $input_format = 'mbox';
861                         }
863                         if (defined $input_format && $input_format eq 'mbox') {
864                                 if (/^Subject:\s+(.*)$/) {
865                                         $subject = $1;
867                                 } elsif (/^(Cc|From):\s+(.*)$/) {
868                                         if (unquote_rfc2047($2) eq $sender) {
869                                                 next if ($suppress_cc{'self'});
870                                         }
871                                         elsif ($1 eq 'From') {
872                                                 ($author, $author_encoding)
873                                                   = unquote_rfc2047($2);
874                                                 next if ($suppress_cc{'author'});
875                                         } else {
876                                                 next if ($suppress_cc{'cc'});
877                                         }
878                                         printf("(mbox) Adding cc: %s from line '%s'\n",
879                                                 $2, $_) unless $quiet;
880                                         push @cc, $2;
881                                 }
882                                 elsif (/^Content-type:/i) {
883                                         $has_content_type = 1;
884                                         if (/charset="?([^ "]+)/) {
885                                                 $body_encoding = $1;
886                                         }
887                                         push @xh, $_;
888                                 }
889                                 elsif (/^Message-Id: (.*)/i) {
890                                         $message_id = $1;
891                                 }
892                                 elsif (!/^Date:\s/ && /^[-A-Za-z]+:\s+\S/) {
893                                         push @xh, $_;
894                                 }
896                         } else {
897                                 # In the traditional
898                                 # "send lots of email" format,
899                                 # line 1 = cc
900                                 # line 2 = subject
901                                 # So let's support that, too.
902                                 $input_format = 'lots';
903                                 if (@cc == 0 && !$suppress_cc{'cc'}) {
904                                         printf("(non-mbox) Adding cc: %s from line '%s'\n",
905                                                 $_, $_) unless $quiet;
907                                         push @cc, $_;
909                                 } elsif (!defined $subject) {
910                                         $subject = $_;
911                                 }
912                         }
914                         # A whitespace line will terminate the headers
915                         if (m/^\s*$/) {
916                                 $header_done = 1;
917                         }
918                 } else {
919                         $message .=  $_;
920                         if (/^(Signed-off-by|Cc): (.*)$/i) {
921                                 next if ($suppress_cc{'sob'});
922                                 chomp;
923                                 my $c = $2;
924                                 chomp $c;
925                                 next if ($c eq $sender and $suppress_cc{'self'});
926                                 push @cc, $c;
927                                 printf("(sob) Adding cc: %s from line '%s'\n",
928                                         $c, $_) unless $quiet;
929                         }
930                 }
931         }
932         close F;
934         if (defined $cc_cmd && !$suppress_cc{'cccmd'}) {
935                 open(F, "$cc_cmd $t |")
936                         or die "(cc-cmd) Could not execute '$cc_cmd'";
937                 while(<F>) {
938                         my $c = $_;
939                         $c =~ s/^\s*//g;
940                         $c =~ s/\n$//g;
941                         next if ($c eq $sender and $suppress_from);
942                         push @cc, $c;
943                         printf("(cc-cmd) Adding cc: %s from: '%s'\n",
944                                 $c, $cc_cmd) unless $quiet;
945                 }
946                 close F
947                         or die "(cc-cmd) failed to close pipe to '$cc_cmd'";
948         }
950         if (defined $author) {
951                 $message = "From: $author\n\n$message";
952                 if (defined $author_encoding) {
953                         if ($has_content_type) {
954                                 if ($body_encoding eq $author_encoding) {
955                                         # ok, we already have the right encoding
956                                 }
957                                 else {
958                                         # uh oh, we should re-encode
959                                 }
960                         }
961                         else {
962                                 push @xh,
963                                   'MIME-Version: 1.0',
964                                   "Content-Type: text/plain; charset=$author_encoding",
965                                   'Content-Transfer-Encoding: 8bit';
966                         }
967                 }
968         }
970         send_message();
972         # set up for the next message
973         if ($chain_reply_to || !defined $reply_to || length($reply_to) == 0) {
974                 $reply_to = $message_id;
975                 if (length $references > 0) {
976                         $references .= "\n $message_id";
977                 } else {
978                         $references = "$message_id";
979                 }
980         }
981         $message_id = undef;
984 if ($compose) {
985         cleanup_compose_files();
988 sub cleanup_compose_files() {
989         unlink($compose_filename, $compose_filename . ".final");
993 $smtp->quit if $smtp;
995 sub unique_email_list(@) {
996         my %seen;
997         my @emails;
999         foreach my $entry (@_) {
1000                 if (my $clean = extract_valid_address($entry)) {
1001                         $seen{$clean} ||= 0;
1002                         next if $seen{$clean}++;
1003                         push @emails, $entry;
1004                 } else {
1005                         print STDERR "W: unable to extract a valid address",
1006                                         " from: $entry\n";
1007                 }
1008         }
1009         return @emails;
1012 sub validate_patch {
1013         my $fn = shift;
1014         open(my $fh, '<', $fn)
1015                 or die "unable to open $fn: $!\n";
1016         while (my $line = <$fh>) {
1017                 if (length($line) > 998) {
1018                         return "$.: patch contains a line longer than 998 characters";
1019                 }
1020         }
1021         return undef;
1024 sub file_has_nonascii {
1025         my $fn = shift;
1026         open(my $fh, '<', $fn)
1027                 or die "unable to open $fn: $!\n";
1028         while (my $line = <$fh>) {
1029                 return 1 if $line =~ /[^[:ascii:]]/;
1030         }
1031         return 0;