send-email: squelch warning due to comparing undefined $_ to ""
[git/git.git] / git-send-email.perl
CommitLineData
83b24437 1#!/usr/bin/perl -w
83b24437 2#
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3# Copyright 2002,2005 Greg Kroah-Hartman <greg@kroah.com>
4# Copyright 2005 Ryan Anderson <ryan@michonline.com>
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5#
6# GPL v2 (See COPYING)
5825e5b2 7#
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8# Ported to support git "mbox" format files by Ryan Anderson <ryan@michonline.com>
9#
f3d9f354 10# Sends a collection of emails to the given email addresses, disturbingly fast.
5825e5b2 11#
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12# Supports two formats:
13# 1. mbox format files (ignoring most headers and MIME formatting - this is designed for sending patches)
14# 2. The original format support by Greg's script:
5825e5b2 15# first line of the message is who to CC,
f3d9f354 16# and second line is the subject of the message.
5825e5b2 17#
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RA
18
19use strict;
20use warnings;
21use Term::ReadLine;
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22use Getopt::Long;
23use Data::Dumper;
412876dc 24use Term::ANSIColor;
3cb8caf7 25use Git;
83b24437 26
412876dc
SE
27$SIG{INT} = sub { print color("reset"), "\n"; exit };
28
280242d1
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29package FakeTerm;
30sub new {
31 my ($class, $reason) = @_;
32 return bless \$reason, shift;
33}
34sub readline {
35 my $self = shift;
36 die "Cannot use readline on FakeTerm: $$self";
37}
38package main;
39
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MC
40
41sub usage {
42 print <<EOT;
43git-send-email [options] <file | directory>...
44Options:
45 --from Specify the "From:" line of the email to be sent.
46
47 --to Specify the primary "To:" line of the email.
48
49 --cc Specify an initial "Cc:" list for the entire series
50 of emails.
51
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52 --cc-cmd Specify a command to execute per file which adds
53 per file specific cc address entries
54
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55 --bcc Specify a list of email addresses that should be Bcc:
56 on all the emails.
57
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58 --compose Use \$GIT_EDITOR, core.editor, \$EDITOR, or \$VISUAL to edit
59 an introductory message for the patch series.
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60
61 --subject Specify the initial "Subject:" line.
62 Only necessary if --compose is also set. If --compose
63 is not set, this will be prompted for.
64
65 --in-reply-to Specify the first "In-Reply-To:" header line.
66 Only used if --compose is also set. If --compose is not
67 set, this will be prompted for.
68
69 --chain-reply-to If set, the replies will all be to the previous
70 email sent, rather than to the first email sent.
71 Defaults to on.
72
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73 --signed-off-cc Automatically add email addresses that appear in
74 Signed-off-by: or Cc: lines to the cc: list. Defaults to on.
1b0baf14 75
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76 --identity The configuration identity, a subsection to prioritise over
77 the default section.
78
1b0baf14 79 --smtp-server If set, specifies the outgoing SMTP server to use.
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80 Defaults to localhost. Port number can be specified here with
81 hostname:port format or by using --smtp-server-port option.
82
83 --smtp-server-port Specify a port on the outgoing SMTP server to connect to.
1b0baf14 84
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DS
85 --smtp-user The username for SMTP-AUTH.
86
87 --smtp-pass The password for SMTP-AUTH.
88
89 --smtp-ssl If set, connects to the SMTP server using SSL.
90
620bb245 91 --suppress-from Suppress sending emails to yourself. Defaults to off.
1b0baf14 92
5483c71d 93 --thread Specify that the "In-Reply-To:" header should be set on all
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94 emails. Defaults to on.
95
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96 --quiet Make git-send-email less verbose. One line per email
97 should be all that is output.
98
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99 --dry-run Do everything except actually send the emails.
100
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101 --envelope-sender Specify the envelope sender used to send the emails.
102
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103 --no-validate Don't perform any sanity checks on patches.
104
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105EOT
106 exit(1);
107}
108
4bc87a28 109# most mail servers generate the Date: header, but not all...
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110sub format_2822_time {
111 my ($time) = @_;
112 my @localtm = localtime($time);
113 my @gmttm = gmtime($time);
114 my $localmin = $localtm[1] + $localtm[2] * 60;
115 my $gmtmin = $gmttm[1] + $gmttm[2] * 60;
116 if ($localtm[0] != $gmttm[0]) {
117 die "local zone differs from GMT by a non-minute interval\n";
118 }
119 if ((($gmttm[6] + 1) % 7) == $localtm[6]) {
120 $localmin += 1440;
121 } elsif ((($gmttm[6] - 1) % 7) == $localtm[6]) {
122 $localmin -= 1440;
123 } elsif ($gmttm[6] != $localtm[6]) {
124 die "local time offset greater than or equal to 24 hours\n";
125 }
126 my $offset = $localmin - $gmtmin;
127 my $offhour = $offset / 60;
128 my $offmin = abs($offset % 60);
129 if (abs($offhour) >= 24) {
130 die ("local time offset greater than or equal to 24 hours\n");
131 }
132
133 return sprintf("%s, %2d %s %d %02d:%02d:%02d %s%02d%02d",
134 qw(Sun Mon Tue Wed Thu Fri Sat)[$localtm[6]],
135 $localtm[3],
136 qw(Jan Feb Mar Apr May Jun
137 Jul Aug Sep Oct Nov Dec)[$localtm[4]],
138 $localtm[5]+1900,
139 $localtm[2],
140 $localtm[1],
141 $localtm[0],
142 ($offset >= 0) ? '+' : '-',
143 abs($offhour),
144 $offmin,
145 );
146}
4bc87a28 147
567ffeb7 148my $have_email_valid = eval { require Email::Valid; 1 };
4bc87a28 149my $smtp;
5f5b6118 150my $auth;
4bc87a28 151
e205735d 152sub unique_email_list(@);
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153sub cleanup_compose_files();
154
155# Constants (essentially)
156my $compose_filename = ".msg.$$";
e205735d 157
83b24437 158# Variables we fill in automatically, or via prompting:
ce91c2f6 159my (@to,@cc,@initial_cc,@bcclist,@xh,
94638f89 160 $initial_reply_to,$initial_subject,@files,$author,$sender,$compose,$time);
83b24437 161
f073a592 162my $envelope_sender;
78488b2c 163
9133261f 164# Example reply to:
83b24437 165#$initial_reply_to = ''; #<20050203173208.GA23964@foobar.com>';
83b24437 166
3cb8caf7 167my $repo = Git->repository();
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168my $term = eval {
169 new Term::ReadLine 'git-send-email';
170};
171if ($@) {
172 $term = new FakeTerm "$@: going non-interactive";
173}
83b24437 174
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AR
175# Behavior modification variables
176my ($quiet, $dry_run) = (0, 0);
177
178# Variables with corresponding config settings
324a8bd0 179my ($thread, $chain_reply_to, $suppress_from, $signed_off_cc, $cc_cmd);
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180my ($smtp_server, $smtp_server_port, $smtp_authuser, $smtp_authpass, $smtp_ssl);
181my ($identity, $aliasfiletype, @alias_files, @smtp_host_parts);
c764a0c2 182my ($no_validate);
5483c71d 183
34cc60ce 184my %config_bool_settings = (
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185 "thread" => [\$thread, 1],
186 "chainreplyto" => [\$chain_reply_to, 1],
187 "suppressfrom" => [\$suppress_from, 0],
188 "signedoffcc" => [\$signed_off_cc, 1],
34cc60ce 189 "smtpssl" => [\$smtp_ssl, 0],
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190);
191
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DS
192my %config_settings = (
193 "smtpserver" => \$smtp_server,
44b2476a 194 "smtpserverport" => \$smtp_server_port,
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195 "smtpuser" => \$smtp_authuser,
196 "smtppass" => \$smtp_authpass,
2db9b49c 197 "to" => \@to,
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198 "cccmd" => \$cc_cmd,
199 "aliasfiletype" => \$aliasfiletype,
200 "bcc" => \@bcclist,
201 "aliasesfile" => \@alias_files,
202);
4a62d3f5 203
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204# Begin by accumulating all the variables (defined above), that we will end up
205# needing, first, from the command line:
206
94638f89 207my $rc = GetOptions("sender|from=s" => \$sender,
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208 "in-reply-to=s" => \$initial_reply_to,
209 "subject=s" => \$initial_subject,
210 "to=s" => \@to,
da140f8b 211 "cc=s" => \@initial_cc,
58063245 212 "bcc=s" => \@bcclist,
78488b2c 213 "chain-reply-to!" => \$chain_reply_to,
3342d850 214 "smtp-server=s" => \$smtp_server,
44b2476a 215 "smtp-server-port=s" => \$smtp_server_port,
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DS
216 "smtp-user=s" => \$smtp_authuser,
217 "smtp-pass=s" => \$smtp_authpass,
218 "smtp-ssl!" => \$smtp_ssl,
219 "identity=s" => \$identity,
1f038a0c 220 "compose" => \$compose,
30d08b34 221 "quiet" => \$quiet,
324a8bd0 222 "cc-cmd=s" => \$cc_cmd,
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AR
223 "suppress-from!" => \$suppress_from,
224 "signed-off-cc|signed-off-by-cc!" => \$signed_off_cc,
6130259c 225 "dry-run" => \$dry_run,
f073a592 226 "envelope-sender=s" => \$envelope_sender,
5483c71d 227 "thread!" => \$thread,
c764a0c2 228 "no-validate" => \$no_validate,
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229 );
230
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MC
231unless ($rc) {
232 usage();
233}
234
34cc60ce
DS
235# Now, let's fill any that aren't set in with defaults:
236
237sub read_config {
238 my ($prefix) = @_;
239
240 foreach my $setting (keys %config_bool_settings) {
241 my $target = $config_bool_settings{$setting}->[0];
242 $$target = $repo->config_bool("$prefix.$setting") unless (defined $$target);
243 }
244
245 foreach my $setting (keys %config_settings) {
246 my $target = $config_settings{$setting};
247 if (ref($target) eq "ARRAY") {
248 unless (@$target) {
249 my @values = $repo->config("$prefix.$setting");
250 @$target = @values if (@values && defined $values[0]);
251 }
252 }
253 else {
254 $$target = $repo->config("$prefix.$setting") unless (defined $$target);
255 }
256 }
257}
258
259# read configuration from [sendemail "$identity"], fall back on [sendemail]
260$identity = $repo->config("sendemail.identity") unless (defined $identity);
261read_config("sendemail.$identity") if (defined $identity);
262read_config("sendemail");
263
264# fall back on builtin bool defaults
265foreach my $setting (values %config_bool_settings) {
266 ${$setting->[0]} = $setting->[1] unless (defined (${$setting->[0]}));
267}
268
269my ($repoauthor) = $repo->ident_person('author');
270my ($repocommitter) = $repo->ident_person('committer');
271
79ee555b
EB
272# Verify the user input
273
274foreach my $entry (@to) {
275 die "Comma in --to entry: $entry'\n" unless $entry !~ m/,/;
276}
277
278foreach my $entry (@initial_cc) {
279 die "Comma in --cc entry: $entry'\n" unless $entry !~ m/,/;
280}
281
282foreach my $entry (@bcclist) {
283 die "Comma in --bcclist entry: $entry'\n" unless $entry !~ m/,/;
284}
285
994d6c66 286my %aliases;
994d6c66
EW
287my %parse_alias = (
288 # multiline formats can be supported in the future
289 mutt => sub { my $fh = shift; while (<$fh>) {
504ceab6 290 if (/^\s*alias\s+(\S+)\s+(.*)$/) {
994d6c66
EW
291 my ($alias, $addr) = ($1, $2);
292 $addr =~ s/#.*$//; # mutt allows # comments
293 # commas delimit multiple addresses
294 $aliases{$alias} = [ split(/\s*,\s*/, $addr) ];
295 }}},
296 mailrc => sub { my $fh = shift; while (<$fh>) {
297 if (/^alias\s+(\S+)\s+(.*)$/) {
298 # spaces delimit multiple addresses
299 $aliases{$1} = [ split(/\s+/, $2) ];
300 }}},
301 pine => sub { my $fh = shift; while (<$fh>) {
2d8ae400 302 if (/^(\S+)\t.*\t(.*)$/) {
994d6c66
EW
303 $aliases{$1} = [ split(/\s*,\s*/, $2) ];
304 }}},
305 gnus => sub { my $fh = shift; while (<$fh>) {
306 if (/\(define-mail-alias\s+"(\S+?)"\s+"(\S+?)"\)/) {
307 $aliases{$1} = [ $2 ];
308 }}}
309);
310
3cb8caf7 311if (@alias_files and $aliasfiletype and defined $parse_alias{$aliasfiletype}) {
994d6c66
EW
312 foreach my $file (@alias_files) {
313 open my $fh, '<', $file or die "opening $file: $!\n";
314 $parse_alias{$aliasfiletype}->($fh);
315 close $fh;
316 }
317}
318
94638f89 319($sender) = expand_aliases($sender) if defined $sender;
ae740a58 320
aa54892f
JK
321# Now that all the defaults are set, process the rest of the command line
322# arguments and collect up the files that need to be processed.
323for my $f (@ARGV) {
324 if (-d $f) {
325 opendir(DH,$f)
326 or die "Failed to opendir $f: $!";
327
328 push @files, grep { -f $_ } map { +$f . "/" . $_ }
329 sort readdir(DH);
330
331 } elsif (-f $f) {
332 push @files, $f;
333
334 } else {
335 print STDERR "Skipping $f - not found.\n";
336 }
337}
338
c764a0c2
JK
339if (!$no_validate) {
340 foreach my $f (@files) {
341 my $error = validate_patch($f);
342 $error and die "fatal: $f: $error\nwarning: no patches were sent\n";
343 }
747bbff9
JK
344}
345
aa54892f
JK
346if (@files) {
347 unless ($quiet) {
348 print $_,"\n" for (@files);
349 }
350} else {
351 print STDERR "\nNo patch files specified!\n\n";
352 usage();
353}
354
1f038a0c 355my $prompting = 0;
94638f89
UKK
356if (!defined $sender) {
357 $sender = $repoauthor || $repocommitter;
8037d1a3 358 do {
94638f89 359 $_ = $term->readline("Who should the emails appear to be from? [$sender] ");
ca9a7d65 360 } while (!defined $_);
8037d1a3 361
94638f89
UKK
362 $sender = $_ if ($_);
363 print "Emails will be sent from: ", $sender, "\n";
1f038a0c 364 $prompting++;
83b24437
RA
365}
366
367if (!@to) {
8037d1a3 368 do {
5825e5b2 369 $_ = $term->readline("Who should the emails be sent to? ",
8037d1a3
RA
370 "");
371 } while (!defined $_);
83b24437
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372 my $to = $_;
373 push @to, split /,/, $to;
1f038a0c 374 $prompting++;
83b24437
RA
375}
376
994d6c66
EW
377sub expand_aliases {
378 my @cur = @_;
379 my @last;
380 do {
381 @last = @cur;
382 @cur = map { $aliases{$_} ? @{$aliases{$_}} : $_ } @last;
383 } while (join(',',@cur) ne join(',',@last));
384 return @cur;
385}
386
387@to = expand_aliases(@to);
5b56aaa2 388@to = (map { sanitize_address($_) } @to);
994d6c66 389@initial_cc = expand_aliases(@initial_cc);
58063245 390@bcclist = expand_aliases(@bcclist);
994d6c66 391
1f038a0c 392if (!defined $initial_subject && $compose) {
8037d1a3 393 do {
cb6c162f 394 $_ = $term->readline("What subject should the initial email start with? ",
8037d1a3
RA
395 $initial_subject);
396 } while (!defined $_);
83b24437 397 $initial_subject = $_;
1f038a0c 398 $prompting++;
83b24437
RA
399}
400
5483c71d 401if ($thread && !defined $initial_reply_to && $prompting) {
8037d1a3 402 do {
1f038a0c 403 $_= $term->readline("Message-ID to be used as In-Reply-To for the first email? ",
8037d1a3
RA
404 $initial_reply_to);
405 } while (!defined $_);
406
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RA
407 $initial_reply_to = $_;
408}
1ca3d6ed 409if (defined $initial_reply_to) {
ace9c2a9
JH
410 $initial_reply_to =~ s/^\s*<?/</;
411 $initial_reply_to =~ s/>?\s*$/>/;
412}
ace72086 413
34cc60ce 414if (!defined $smtp_server) {
aca7ad76
EW
415 foreach (qw( /usr/sbin/sendmail /usr/lib/sendmail )) {
416 if (-x $_) {
417 $smtp_server = $_;
418 last;
419 }
420 }
421 $smtp_server ||= 'localhost'; # could be 127.0.0.1, too... *shrug*
3342d850
RA
422}
423
1f038a0c
RA
424if ($compose) {
425 # Note that this does not need to be secure, but we will make a small
426 # effort to have it be unique
427 open(C,">",$compose_filename)
428 or die "Failed to open for writing $compose_filename: $!";
94638f89 429 print C "From $sender # This line is ignored.\n";
1f038a0c
RA
430 printf C "Subject: %s\n\n", $initial_subject;
431 printf C <<EOT;
432GIT: Please enter your email below.
433GIT: Lines beginning in "GIT: " will be removed.
434GIT: Consider including an overall diffstat or table of contents
435GIT: for the patch you are writing.
436
437EOT
438 close(C);
439
ef0c2abf 440 my $editor = $ENV{GIT_EDITOR} || $repo->config("core.editor") || $ENV{VISUAL} || $ENV{EDITOR} || "vi";
0e0278ba 441 system('sh', '-c', '$0 $@', $editor, $compose_filename);
1f038a0c
RA
442
443 open(C2,">",$compose_filename . ".final")
444 or die "Failed to open $compose_filename.final : " . $!;
445
446 open(C,"<",$compose_filename)
447 or die "Failed to open $compose_filename : " . $!;
448
449 while(<C>) {
450 next if m/^GIT: /;
451 print C2 $_;
452 }
453 close(C);
454 close(C2);
455
456 do {
457 $_ = $term->readline("Send this email? (y|n) ");
458 } while (!defined $_);
459
460 if (uc substr($_,0,1) ne 'Y') {
461 cleanup_compose_files();
462 exit(0);
463 }
464
97394ee4 465 @files = ($compose_filename . ".final", @files);
1f038a0c
RA
466}
467
83b24437 468# Variables we set as part of the loop over files
af068d27 469our ($message_id, %mail, $subject, $reply_to, $references, $message);
83b24437 470
567ffeb7
EW
471sub extract_valid_address {
472 my $address = shift;
ad9c18f5 473 my $local_part_regexp = '[^<>"\s@]+';
09302e17 474 my $domain_regexp = '[^.<>"\s@]+(?:\.[^.<>"\s@]+)+';
db3106b2
EW
475
476 # check for a local address:
ad9c18f5 477 return $address if ($address =~ /^($local_part_regexp)$/);
db3106b2 478
155197e6 479 $address =~ s/^\s*<(.*)>\s*$/$1/;
567ffeb7 480 if ($have_email_valid) {
ad9c18f5 481 return scalar Email::Valid->address($address);
567ffeb7
EW
482 } else {
483 # less robust/correct than the monster regexp in Email::Valid,
484 # but still does a 99% job, and one less dependency
ad9c18f5 485 $address =~ /($local_part_regexp\@$domain_regexp)/;
e96fd305 486 return $1;
567ffeb7
EW
487 }
488}
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RA
489
490# Usually don't need to change anything below here.
491
492# we make a "fake" message id by taking the current number
493# of seconds since the beginning of Unix time and tacking on
494# a random number to the end, in case we are called quicker than
495# 1 second since the last time we were called.
8037d1a3
RA
496
497# We'll setup a template for the message id, using the "from" address:
8037d1a3 498
be510cfe 499my ($message_id_stamp, $message_id_serial);
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RA
500sub make_message_id
501{
be510cfe
JH
502 my $uniq;
503 if (!defined $message_id_stamp) {
504 $message_id_stamp = sprintf("%s-%s", time, $$);
505 $message_id_serial = 0;
506 }
507 $message_id_serial++;
508 $uniq = "$message_id_stamp-$message_id_serial";
509
aeb59328 510 my $du_part;
94638f89
UKK
511 for ($sender, $repocommitter, $repoauthor) {
512 $du_part = extract_valid_address(sanitize_address($_));
513 last if (defined $du_part and $du_part ne '');
aeb59328 514 }
94638f89 515 if (not defined $du_part or $du_part eq '') {
aeb59328
JH
516 use Sys::Hostname qw();
517 $du_part = 'user@' . Sys::Hostname::hostname();
518 }
be510cfe
JH
519 my $message_id_template = "<%s-git-send-email-%s>";
520 $message_id = sprintf($message_id_template, $uniq, $du_part);
8037d1a3 521 #print "new message id = $message_id\n"; # Was useful for debugging
83b24437
RA
522}
523
524
525
a5370b16 526$time = time - scalar $#files;
83b24437 527
374c5905
JR
528sub unquote_rfc2047 {
529 local ($_) = @_;
8291db6f
JK
530 my $encoding;
531 if (s/=\?([^?]+)\?q\?(.*)\?=/$2/g) {
532 $encoding = $1;
374c5905
JR
533 s/_/ /g;
534 s/=([0-9A-F]{2})/chr(hex($1))/eg;
535 }
8291db6f 536 return wantarray ? ($_, $encoding) : $_;
374c5905
JR
537}
538
5b56aaa2
UKK
539# use the simplest quoting being able to handle the recipient
540sub sanitize_address
732263d4
RJ
541{
542 my ($recipient) = @_;
5b56aaa2
UKK
543 my ($recipient_name, $recipient_addr) = ($recipient =~ /^(.*?)\s*(<.*)/);
544
545 if (not $recipient_name) {
546 return "$recipient";
547 }
548
549 # if recipient_name is already quoted, do nothing
550 if ($recipient_name =~ /^(".*"|=\?utf-8\?q\?.*\?=)$/) {
551 return $recipient;
552 }
553
554 # rfc2047 is needed if a non-ascii char is included
555 if ($recipient_name =~ /[^[:ascii:]]/) {
556 $recipient_name =~ s/([^-a-zA-Z0-9!*+\/])/sprintf("=%02X", ord($1))/eg;
557 $recipient_name =~ s/(.*)/=\?utf-8\?q\?$1\?=/;
732263d4 558 }
5b56aaa2
UKK
559
560 # double quotes are needed if specials or CTLs are included
561 elsif ($recipient_name =~ /[][()<>@,;:\\".\000-\037\177]/) {
562 $recipient_name =~ s/(["\\\r])/\\$1/;
563 $recipient_name = "\"$recipient_name\"";
564 }
565
566 return "$recipient_name $recipient_addr";
567
732263d4
RJ
568}
569
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RA
570sub send_message
571{
4bc87a28 572 my @recipients = unique_email_list(@to);
7ac17529
ABH
573 @cc = (grep { my $cc = extract_valid_address($_);
574 not grep { $cc eq $_ } @recipients
575 }
576 map { sanitize_address($_) }
577 @cc);
4bc87a28 578 my $to = join (",\n\t", @recipients);
58063245 579 @recipients = unique_email_list(@recipients,@cc,@bcclist);
c38f0247 580 @recipients = (map { extract_valid_address($_) } @recipients);
6bdca890 581 my $date = format_2822_time($time++);
e923effb
ML
582 my $gitversion = '@@GIT_VERSION@@';
583 if ($gitversion =~ m/..GIT_VERSION../) {
3cb8caf7 584 $gitversion = Git::version();
e923effb 585 }
4bc87a28 586
af068d27 587 my $cc = join(", ", unique_email_list(@cc));
f06a6a49
JH
588 my $ccline = "";
589 if ($cc ne '') {
590 $ccline = "\nCc: $cc";
591 }
94638f89 592 my $sanitized_sender = sanitize_address($sender);
4f3d3703 593 make_message_id() unless defined($message_id);
aeb59328 594
94638f89 595 my $header = "From: $sanitized_sender
f06a6a49 596To: $to${ccline}
4bc87a28 597Subject: $subject
4bc87a28
EW
598Date: $date
599Message-Id: $message_id
e923effb 600X-Mailer: git-send-email $gitversion
4bc87a28 601";
5483c71d 602 if ($thread && $reply_to) {
7ccf7927
RA
603
604 $header .= "In-Reply-To: $reply_to\n";
605 $header .= "References: $references\n";
606 }
ce91c2f6
JH
607 if (@xh) {
608 $header .= join("\n", @xh) . "\n";
609 }
4bc87a28 610
c38f0247 611 my @sendmail_parameters = ('-i', @recipients);
94638f89 612 my $raw_from = $sanitized_sender;
f073a592
RJ
613 $raw_from = $envelope_sender if (defined $envelope_sender);
614 $raw_from = extract_valid_address($raw_from);
615 unshift (@sendmail_parameters,
616 '-f', $raw_from) if(defined $envelope_sender);
8e3d436b 617
6130259c
MW
618 if ($dry_run) {
619 # We don't want to send the email.
620 } elsif ($smtp_server =~ m#^/#) {
aca7ad76
EW
621 my $pid = open my $sm, '|-';
622 defined $pid or die $!;
623 if (!$pid) {
8e3d436b 624 exec($smtp_server, @sendmail_parameters) or die $!;
aca7ad76
EW
625 }
626 print $sm "$header\n$message";
627 close $sm or die $?;
628 } else {
44b2476a
JH
629
630 if (!defined $smtp_server) {
631 die "The required SMTP server is not properly defined."
632 }
633
34cc60ce 634 if ($smtp_ssl) {
44b2476a 635 $smtp_server_port ||= 465; # ssmtp
34cc60ce 636 require Net::SMTP::SSL;
44b2476a 637 $smtp ||= Net::SMTP::SSL->new($smtp_server, Port => $smtp_server_port);
34cc60ce
DS
638 }
639 else {
640 require Net::SMTP;
44b2476a
JH
641 $smtp ||= Net::SMTP->new((defined $smtp_server_port)
642 ? "$smtp_server:$smtp_server_port"
643 : $smtp_server);
644 }
645
646 if (!$smtp) {
647 die "Unable to initialize SMTP properly. Is there something wrong with your config?";
648 }
649
650 if ((defined $smtp_authuser) && (defined $smtp_authpass)) {
5f5b6118 651 $auth ||= $smtp->auth( $smtp_authuser, $smtp_authpass ) or die $smtp->message;
34cc60ce 652 }
2b69bfc2 653 $smtp->mail( $raw_from ) or die $smtp->message;
aca7ad76
EW
654 $smtp->to( @recipients ) or die $smtp->message;
655 $smtp->data or die $smtp->message;
656 $smtp->datasend("$header\n$message") or die $smtp->message;
657 $smtp->dataend() or die $smtp->message;
658 $smtp->ok or die "Failed to send $subject\n".$smtp->message;
659 }
2718435b 660 if ($quiet) {
71c7da94 661 printf (($dry_run ? "Dry-" : "")."Sent %s\n", $subject);
2718435b 662 } else {
b7f30e0a 663 print (($dry_run ? "Dry-" : "")."OK. Log says:\n");
2b69bfc2 664 if ($smtp_server !~ m#^/#) {
aca7ad76 665 print "Server: $smtp_server\n";
2b69bfc2
RJ
666 print "MAIL FROM:<$raw_from>\n";
667 print "RCPT TO:".join(',',(map { "<$_>" } @recipients))."\n";
aca7ad76 668 } else {
8e3d436b 669 print "Sendmail: $smtp_server ".join(' ',@sendmail_parameters)."\n";
aca7ad76 670 }
b7f30e0a 671 print $header, "\n";
aca7ad76
EW
672 if ($smtp) {
673 print "Result: ", $smtp->code, ' ',
674 ($smtp->message =~ /\n([^\n]+\n)$/s), "\n";
675 } else {
676 print "Result: OK\n";
677 }
30d08b34 678 }
83b24437
RA
679}
680
83b24437 681$reply_to = $initial_reply_to;
2186d566 682$references = $initial_reply_to || '';
83b24437
RA
683$subject = $initial_subject;
684
685foreach my $t (@files) {
83b24437
RA
686 open(F,"<",$t) or die "can't open file $t";
687
94638f89 688 my $author = undef;
8291db6f
JK
689 my $author_encoding;
690 my $has_content_type;
691 my $body_encoding;
da140f8b 692 @cc = @initial_cc;
ce91c2f6 693 @xh = ();
e6b0964a 694 my $input_format = undef;
83b24437
RA
695 my $header_done = 0;
696 $message = "";
697 while(<F>) {
698 if (!$header_done) {
e6b0964a
JH
699 if (/^From /) {
700 $input_format = 'mbox';
701 next;
702 }
83b24437 703 chomp;
e6b0964a
JH
704 if (!defined $input_format && /^[-A-Za-z]+:\s/) {
705 $input_format = 'mbox';
706 }
83b24437 707
e6b0964a 708 if (defined $input_format && $input_format eq 'mbox') {
83b24437
RA
709 if (/^Subject:\s+(.*)$/) {
710 $subject = $1;
711
712 } elsif (/^(Cc|From):\s+(.*)$/) {
94638f89 713 if (unquote_rfc2047($2) eq $sender) {
8a8e6235
JH
714 next if ($suppress_from);
715 }
68d42c41 716 elsif ($1 eq 'From') {
8291db6f
JK
717 ($author, $author_encoding)
718 = unquote_rfc2047($2);
8a8e6235 719 }
83b24437 720 printf("(mbox) Adding cc: %s from line '%s'\n",
2718435b 721 $2, $_) unless $quiet;
83b24437
RA
722 push @cc, $2;
723 }
8291db6f
JK
724 elsif (/^Content-type:/i) {
725 $has_content_type = 1;
726 if (/charset="?[^ "]+/) {
727 $body_encoding = $1;
728 }
729 push @xh, $_;
730 }
4f3d3703
JK
731 elsif (/^Message-Id: (.*)/i) {
732 $message_id = $1;
733 }
1d6a003a 734 elsif (!/^Date:\s/ && /^[-A-Za-z]+:\s+\S/) {
ce91c2f6
JH
735 push @xh, $_;
736 }
83b24437
RA
737
738 } else {
739 # In the traditional
740 # "send lots of email" format,
741 # line 1 = cc
742 # line 2 = subject
743 # So let's support that, too.
e6b0964a 744 $input_format = 'lots';
83b24437
RA
745 if (@cc == 0) {
746 printf("(non-mbox) Adding cc: %s from line '%s'\n",
2718435b 747 $_, $_) unless $quiet;
83b24437
RA
748
749 push @cc, $_;
750
751 } elsif (!defined $subject) {
752 $subject = $_;
753 }
754 }
5825e5b2 755
83b24437
RA
756 # A whitespace line will terminate the headers
757 if (m/^\s*$/) {
758 $header_done = 1;
759 }
760 } else {
761 $message .= $_;
5483c71d 762 if (/^(Signed-off-by|Cc): (.*)$/i && $signed_off_cc) {
abec100c 763 my $c = $2;
83b24437 764 chomp $c;
620bb245 765 next if ($c eq $sender and $suppress_from);
83b24437
RA
766 push @cc, $c;
767 printf("(sob) Adding cc: %s from line '%s'\n",
2718435b 768 $c, $_) unless $quiet;
83b24437
RA
769 }
770 }
771 }
772 close F;
324a8bd0 773
34cc60ce 774 if (defined $cc_cmd) {
324a8bd0
JP
775 open(F, "$cc_cmd $t |")
776 or die "(cc-cmd) Could not execute '$cc_cmd'";
777 while(<F>) {
778 my $c = $_;
779 $c =~ s/^\s*//g;
780 $c =~ s/\n$//g;
620bb245 781 next if ($c eq $sender and $suppress_from);
324a8bd0
JP
782 push @cc, $c;
783 printf("(cc-cmd) Adding cc: %s from: '%s'\n",
784 $c, $cc_cmd) unless $quiet;
785 }
786 close F
787 or die "(cc-cmd) failed to close pipe to '$cc_cmd'";
788 }
789
94638f89
UKK
790 if (defined $author) {
791 $message = "From: $author\n\n$message";
8291db6f
JK
792 if (defined $author_encoding) {
793 if ($has_content_type) {
794 if ($body_encoding eq $author_encoding) {
795 # ok, we already have the right encoding
796 }
797 else {
798 # uh oh, we should re-encode
799 }
800 }
801 else {
802 push @xh,
803 'MIME-Version: 1.0',
8641ee3d
JK
804 "Content-Type: text/plain; charset=$author_encoding",
805 'Content-Transfer-Encoding: 8bit';
8291db6f
JK
806 }
807 }
8a8e6235 808 }
83b24437 809
83b24437
RA
810 send_message();
811
812 # set up for the next message
bc108f63 813 if ($chain_reply_to || !defined $reply_to || length($reply_to) == 0) {
78488b2c 814 $reply_to = $message_id;
7ccf7927 815 if (length $references > 0) {
a925b89c 816 $references .= "\n $message_id";
7ccf7927
RA
817 } else {
818 $references = "$message_id";
819 }
78488b2c 820 }
4f3d3703 821 $message_id = undef;
83b24437 822}
e205735d 823
1f038a0c
RA
824if ($compose) {
825 cleanup_compose_files();
826}
827
828sub cleanup_compose_files() {
829 unlink($compose_filename, $compose_filename . ".final");
830
831}
832
4bc87a28 833$smtp->quit if $smtp;
e205735d
RA
834
835sub unique_email_list(@) {
836 my %seen;
837 my @emails;
838
839 foreach my $entry (@_) {
db3106b2
EW
840 if (my $clean = extract_valid_address($entry)) {
841 $seen{$clean} ||= 0;
842 next if $seen{$clean}++;
843 push @emails, $entry;
844 } else {
845 print STDERR "W: unable to extract a valid address",
846 " from: $entry\n";
847 }
e205735d
RA
848 }
849 return @emails;
850}
747bbff9
JK
851
852sub validate_patch {
853 my $fn = shift;
854 open(my $fh, '<', $fn)
855 or die "unable to open $fn: $!\n";
856 while (my $line = <$fh>) {
857 if (length($line) > 998) {
858 return "$.: patch contains a line longer than 998 characters";
859 }
860 }
861 return undef;
862}