Docs: send-email: Create logical groupings for man text
[git/git.git] / git-send-email.perl
CommitLineData
83b24437 1#!/usr/bin/perl -w
83b24437 2#
f3d9f354
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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#
f3d9f354
RA
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#
83b24437
RA
18
19use strict;
20use warnings;
21use Term::ReadLine;
83b24437
RA
22use Getopt::Long;
23use Data::Dumper;
412876dc 24use Term::ANSIColor;
3cb8caf7 25use Git;
83b24437 26
280242d1
JH
27package FakeTerm;
28sub new {
29 my ($class, $reason) = @_;
30 return bless \$reason, shift;
31}
32sub readline {
33 my $self = shift;
34 die "Cannot use readline on FakeTerm: $$self";
35}
36package main;
37
1b0baf14
MC
38
39sub usage {
40 print <<EOT;
1b1dd23f 41git send-email [options] <file | directory>...
4ed62b03
MW
42
43 Composing:
44 --from <str> * Email From:
45 --to <str> * Email To:
46 --cc <str> * Email Cc:
47 --bcc <str> * Email Bcc:
48 --subject <str> * Email "Subject:"
49 --in-reply-to <str> * Email "In-Reply-To:"
50 --compose * Open an editor for introduction.
51
52 Sending:
53 --envelope-sender <str> * Email envelope sender.
54 --smtp-server <str:int> * Outgoing SMTP server to use. The port
55 is optional. Default 'localhost'.
56 --smtp-server-port <int> * Outgoing SMTP server port.
57 --smtp-user <str> * Username for SMTP-AUTH.
58 --smtp-pass <str> * Password for SMTP-AUTH; not necessary.
59 --smtp-encryption <str> * tls or ssl; anything else disables.
60 --smtp-ssl * Deprecated. Use '--smtp-encryption ssl'.
61
62 Automating:
63 --identity <str> * Use the sendemail.<id> options.
64 --cc-cmd <str> * Email Cc: via `<str> \$patch_path`
65 --suppress-cc <str> * author, self, sob, cccmd, all.
66 --[no-]signed-off-by-cc * Send to Cc: and Signed-off-by:
67 addresses. Default on.
68 --[no-]suppress-from * Send to self. Default off.
69 --[no-]chain-reply-to * Chain In-Reply-To: fields. Default on.
70 --[no-]thread * Use In-Reply-To: field. Default on.
71
72 Administering:
73 --quiet * Output one line of info per email.
74 --dry-run * Don't actually send the emails.
75 --[no-]validate * Perform patch sanity checks. Default on.
c764a0c2 76
1b0baf14
MC
77EOT
78 exit(1);
79}
80
4bc87a28 81# most mail servers generate the Date: header, but not all...
6bdca890
JN
82sub format_2822_time {
83 my ($time) = @_;
84 my @localtm = localtime($time);
85 my @gmttm = gmtime($time);
86 my $localmin = $localtm[1] + $localtm[2] * 60;
87 my $gmtmin = $gmttm[1] + $gmttm[2] * 60;
88 if ($localtm[0] != $gmttm[0]) {
89 die "local zone differs from GMT by a non-minute interval\n";
90 }
91 if ((($gmttm[6] + 1) % 7) == $localtm[6]) {
92 $localmin += 1440;
93 } elsif ((($gmttm[6] - 1) % 7) == $localtm[6]) {
94 $localmin -= 1440;
95 } elsif ($gmttm[6] != $localtm[6]) {
96 die "local time offset greater than or equal to 24 hours\n";
97 }
98 my $offset = $localmin - $gmtmin;
99 my $offhour = $offset / 60;
100 my $offmin = abs($offset % 60);
101 if (abs($offhour) >= 24) {
102 die ("local time offset greater than or equal to 24 hours\n");
103 }
104
105 return sprintf("%s, %2d %s %d %02d:%02d:%02d %s%02d%02d",
106 qw(Sun Mon Tue Wed Thu Fri Sat)[$localtm[6]],
107 $localtm[3],
108 qw(Jan Feb Mar Apr May Jun
109 Jul Aug Sep Oct Nov Dec)[$localtm[4]],
110 $localtm[5]+1900,
111 $localtm[2],
112 $localtm[1],
113 $localtm[0],
114 ($offset >= 0) ? '+' : '-',
115 abs($offhour),
116 $offmin,
117 );
118}
4bc87a28 119
567ffeb7 120my $have_email_valid = eval { require Email::Valid; 1 };
4bc87a28 121my $smtp;
5f5b6118 122my $auth;
4bc87a28 123
e205735d 124sub unique_email_list(@);
1f038a0c
RA
125sub cleanup_compose_files();
126
127# Constants (essentially)
128my $compose_filename = ".msg.$$";
e205735d 129
83b24437 130# Variables we fill in automatically, or via prompting:
ce91c2f6 131my (@to,@cc,@initial_cc,@bcclist,@xh,
2363d746 132 $initial_reply_to,$initial_subject,@files,$author,$sender,$smtp_authpass,$compose,$time);
83b24437 133
f073a592 134my $envelope_sender;
78488b2c 135
9133261f 136# Example reply to:
83b24437 137#$initial_reply_to = ''; #<20050203173208.GA23964@foobar.com>';
83b24437 138
ad79c024
FL
139my $repo = eval { Git->repository() };
140my @repo = $repo ? ($repo) : ();
280242d1 141my $term = eval {
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142 $ENV{"GIT_SEND_EMAIL_NOTTY"}
143 ? new Term::ReadLine 'git-send-email', \*STDIN, \*STDOUT
144 : new Term::ReadLine 'git-send-email';
280242d1
JH
145};
146if ($@) {
147 $term = new FakeTerm "$@: going non-interactive";
148}
83b24437 149
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150# Behavior modification variables
151my ($quiet, $dry_run) = (0, 0);
152
153# Variables with corresponding config settings
324a8bd0 154my ($thread, $chain_reply_to, $suppress_from, $signed_off_cc, $cc_cmd);
f6bebd12 155my ($smtp_server, $smtp_server_port, $smtp_authuser, $smtp_encryption);
44b2476a 156my ($identity, $aliasfiletype, @alias_files, @smtp_host_parts);
dbf5e1e9 157my ($validate);
65648283 158my (@suppress_cc);
5483c71d 159
34cc60ce 160my %config_bool_settings = (
5483c71d
AR
161 "thread" => [\$thread, 1],
162 "chainreplyto" => [\$chain_reply_to, 1],
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DB
163 "suppressfrom" => [\$suppress_from, undef],
164 "signedoffcc" => [\$signed_off_cc, undef],
dbf5e1e9 165 "validate" => [\$validate, 1],
e46f7a0e
AR
166);
167
34cc60ce
DS
168my %config_settings = (
169 "smtpserver" => \$smtp_server,
44b2476a 170 "smtpserverport" => \$smtp_server_port,
34cc60ce
DS
171 "smtpuser" => \$smtp_authuser,
172 "smtppass" => \$smtp_authpass,
2db9b49c 173 "to" => \@to,
5f8b9fcd 174 "cc" => \@initial_cc,
34cc60ce
DS
175 "cccmd" => \$cc_cmd,
176 "aliasfiletype" => \$aliasfiletype,
177 "bcc" => \@bcclist,
178 "aliasesfile" => \@alias_files,
65648283 179 "suppresscc" => \@suppress_cc,
9f7820ae 180 "envelopesender" => \$envelope_sender,
34cc60ce 181);
4a62d3f5 182
87429976
MW
183# Handle Uncouth Termination
184sub signal_handler {
185
186 # Make text normal
187 print color("reset"), "\n";
188
189 # SMTP password masked
190 system "stty echo";
191
192 # tmp files from --compose
193 if (-e $compose_filename) {
194 print "'$compose_filename' contains an intermediate version of the email you were composing.\n";
195 }
196 if (-e ($compose_filename . ".final")) {
197 print "'$compose_filename.final' contains the composed email.\n"
198 }
199
200 exit;
201};
202
203$SIG{TERM} = \&signal_handler;
204$SIG{INT} = \&signal_handler;
205
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206# Begin by accumulating all the variables (defined above), that we will end up
207# needing, first, from the command line:
208
94638f89 209my $rc = GetOptions("sender|from=s" => \$sender,
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210 "in-reply-to=s" => \$initial_reply_to,
211 "subject=s" => \$initial_subject,
212 "to=s" => \@to,
da140f8b 213 "cc=s" => \@initial_cc,
58063245 214 "bcc=s" => \@bcclist,
78488b2c 215 "chain-reply-to!" => \$chain_reply_to,
3342d850 216 "smtp-server=s" => \$smtp_server,
44b2476a 217 "smtp-server-port=s" => \$smtp_server_port,
34cc60ce 218 "smtp-user=s" => \$smtp_authuser,
2363d746 219 "smtp-pass:s" => \$smtp_authpass,
f6bebd12
TR
220 "smtp-ssl" => sub { $smtp_encryption = 'ssl' },
221 "smtp-encryption=s" => \$smtp_encryption,
34cc60ce 222 "identity=s" => \$identity,
1f038a0c 223 "compose" => \$compose,
30d08b34 224 "quiet" => \$quiet,
324a8bd0 225 "cc-cmd=s" => \$cc_cmd,
5483c71d 226 "suppress-from!" => \$suppress_from,
65648283 227 "suppress-cc=s" => \@suppress_cc,
5483c71d 228 "signed-off-cc|signed-off-by-cc!" => \$signed_off_cc,
6130259c 229 "dry-run" => \$dry_run,
f073a592 230 "envelope-sender=s" => \$envelope_sender,
5483c71d 231 "thread!" => \$thread,
dbf5e1e9 232 "validate!" => \$validate,
83b24437
RA
233 );
234
1b0baf14
MC
235unless ($rc) {
236 usage();
237}
238
34cc60ce
DS
239# Now, let's fill any that aren't set in with defaults:
240
241sub read_config {
242 my ($prefix) = @_;
243
244 foreach my $setting (keys %config_bool_settings) {
245 my $target = $config_bool_settings{$setting}->[0];
ad79c024 246 $$target = Git::config_bool(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
247 }
248
249 foreach my $setting (keys %config_settings) {
250 my $target = $config_settings{$setting};
251 if (ref($target) eq "ARRAY") {
252 unless (@$target) {
ad79c024 253 my @values = Git::config(@repo, "$prefix.$setting");
34cc60ce
DS
254 @$target = @values if (@values && defined $values[0]);
255 }
256 }
257 else {
ad79c024 258 $$target = Git::config(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
259 }
260 }
f6bebd12
TR
261
262 if (!defined $smtp_encryption) {
263 my $enc = Git::config(@repo, "$prefix.smtpencryption");
264 if (defined $enc) {
265 $smtp_encryption = $enc;
266 } elsif (Git::config_bool(@repo, "$prefix.smtpssl")) {
267 $smtp_encryption = 'ssl';
268 }
269 }
34cc60ce
DS
270}
271
272# read configuration from [sendemail "$identity"], fall back on [sendemail]
ad79c024 273$identity = Git::config(@repo, "sendemail.identity") unless (defined $identity);
34cc60ce
DS
274read_config("sendemail.$identity") if (defined $identity);
275read_config("sendemail");
276
277# fall back on builtin bool defaults
278foreach my $setting (values %config_bool_settings) {
279 ${$setting->[0]} = $setting->[1] unless (defined (${$setting->[0]}));
280}
281
fa835cd5
TR
282# 'default' encryption is none -- this only prevents a warning
283$smtp_encryption = '' unless (defined $smtp_encryption);
284
65648283
DB
285# Set CC suppressions
286my(%suppress_cc);
287if (@suppress_cc) {
288 foreach my $entry (@suppress_cc) {
289 die "Unknown --suppress-cc field: '$entry'\n"
290 unless $entry =~ /^(all|cccmd|cc|author|self|sob)$/;
291 $suppress_cc{$entry} = 1;
292 }
293}
294
295if ($suppress_cc{'all'}) {
296 foreach my $entry (qw (ccmd cc author self sob)) {
297 $suppress_cc{$entry} = 1;
298 }
299 delete $suppress_cc{'all'};
300}
301
302# If explicit old-style ones are specified, they trump --suppress-cc.
303$suppress_cc{'self'} = $suppress_from if defined $suppress_from;
ba51795c 304$suppress_cc{'sob'} = !$signed_off_cc if defined $signed_off_cc;
65648283
DB
305
306# Debugging, print out the suppressions.
307if (0) {
308 print "suppressions:\n";
309 foreach my $entry (keys %suppress_cc) {
310 printf " %-5s -> $suppress_cc{$entry}\n", $entry;
311 }
312}
313
ad79c024
FL
314my ($repoauthor, $repocommitter);
315($repoauthor) = Git::ident_person(@repo, 'author');
316($repocommitter) = Git::ident_person(@repo, 'committer');
34cc60ce 317
79ee555b
EB
318# Verify the user input
319
320foreach my $entry (@to) {
321 die "Comma in --to entry: $entry'\n" unless $entry !~ m/,/;
322}
323
324foreach my $entry (@initial_cc) {
325 die "Comma in --cc entry: $entry'\n" unless $entry !~ m/,/;
326}
327
328foreach my $entry (@bcclist) {
329 die "Comma in --bcclist entry: $entry'\n" unless $entry !~ m/,/;
330}
331
994d6c66 332my %aliases;
994d6c66
EW
333my %parse_alias = (
334 # multiline formats can be supported in the future
335 mutt => sub { my $fh = shift; while (<$fh>) {
504ceab6 336 if (/^\s*alias\s+(\S+)\s+(.*)$/) {
994d6c66
EW
337 my ($alias, $addr) = ($1, $2);
338 $addr =~ s/#.*$//; # mutt allows # comments
339 # commas delimit multiple addresses
340 $aliases{$alias} = [ split(/\s*,\s*/, $addr) ];
341 }}},
342 mailrc => sub { my $fh = shift; while (<$fh>) {
343 if (/^alias\s+(\S+)\s+(.*)$/) {
344 # spaces delimit multiple addresses
345 $aliases{$1} = [ split(/\s+/, $2) ];
346 }}},
347 pine => sub { my $fh = shift; while (<$fh>) {
2d8ae400 348 if (/^(\S+)\t.*\t(.*)$/) {
994d6c66
EW
349 $aliases{$1} = [ split(/\s*,\s*/, $2) ];
350 }}},
351 gnus => sub { my $fh = shift; while (<$fh>) {
352 if (/\(define-mail-alias\s+"(\S+?)"\s+"(\S+?)"\)/) {
353 $aliases{$1} = [ $2 ];
354 }}}
355);
356
3cb8caf7 357if (@alias_files and $aliasfiletype and defined $parse_alias{$aliasfiletype}) {
994d6c66
EW
358 foreach my $file (@alias_files) {
359 open my $fh, '<', $file or die "opening $file: $!\n";
360 $parse_alias{$aliasfiletype}->($fh);
361 close $fh;
362 }
363}
364
94638f89 365($sender) = expand_aliases($sender) if defined $sender;
ae740a58 366
aa54892f
JK
367# Now that all the defaults are set, process the rest of the command line
368# arguments and collect up the files that need to be processed.
369for my $f (@ARGV) {
370 if (-d $f) {
371 opendir(DH,$f)
372 or die "Failed to opendir $f: $!";
373
374 push @files, grep { -f $_ } map { +$f . "/" . $_ }
375 sort readdir(DH);
376
300913bd 377 } elsif (-f $f or -p $f) {
aa54892f
JK
378 push @files, $f;
379
380 } else {
381 print STDERR "Skipping $f - not found.\n";
382 }
383}
384
dbf5e1e9 385if ($validate) {
c764a0c2 386 foreach my $f (@files) {
300913bd
KB
387 unless (-p $f) {
388 my $error = validate_patch($f);
389 $error and die "fatal: $f: $error\nwarning: no patches were sent\n";
390 }
c764a0c2 391 }
747bbff9
JK
392}
393
aa54892f
JK
394if (@files) {
395 unless ($quiet) {
396 print $_,"\n" for (@files);
397 }
398} else {
399 print STDERR "\nNo patch files specified!\n\n";
400 usage();
401}
402
1f038a0c 403my $prompting = 0;
94638f89 404if (!defined $sender) {
ad79c024 405 $sender = $repoauthor || $repocommitter || '';
8a7c56e1
MW
406
407 while (1) {
94638f89 408 $_ = $term->readline("Who should the emails appear to be from? [$sender] ");
8a7c56e1
MW
409 last if defined $_;
410 print "\n";
411 }
8037d1a3 412
94638f89
UKK
413 $sender = $_ if ($_);
414 print "Emails will be sent from: ", $sender, "\n";
1f038a0c 415 $prompting++;
83b24437
RA
416}
417
418if (!@to) {
8a7c56e1
MW
419
420
421 while (1) {
422 $_ = $term->readline("Who should the emails be sent to? ", "");
423 last if defined $_;
424 print "\n";
425 }
426
83b24437 427 my $to = $_;
d1eb35b6 428 push @to, split /,\s*/, $to;
1f038a0c 429 $prompting++;
83b24437
RA
430}
431
994d6c66
EW
432sub expand_aliases {
433 my @cur = @_;
434 my @last;
435 do {
436 @last = @cur;
437 @cur = map { $aliases{$_} ? @{$aliases{$_}} : $_ } @last;
438 } while (join(',',@cur) ne join(',',@last));
439 return @cur;
440}
441
442@to = expand_aliases(@to);
5b56aaa2 443@to = (map { sanitize_address($_) } @to);
994d6c66 444@initial_cc = expand_aliases(@initial_cc);
58063245 445@bcclist = expand_aliases(@bcclist);
994d6c66 446
1f038a0c 447if (!defined $initial_subject && $compose) {
8a7c56e1
MW
448 while (1) {
449 $_ = $term->readline("What subject should the initial email start with? ", $initial_subject);
450 last if defined $_;
451 print "\n";
452 }
453
83b24437 454 $initial_subject = $_;
1f038a0c 455 $prompting++;
83b24437
RA
456}
457
5483c71d 458if ($thread && !defined $initial_reply_to && $prompting) {
8a7c56e1
MW
459 while (1) {
460 $_= $term->readline("Message-ID to be used as In-Reply-To for the first email? ", $initial_reply_to);
461 last if defined $_;
462 print "\n";
463 }
8037d1a3 464
83b24437
RA
465 $initial_reply_to = $_;
466}
1ca3d6ed 467if (defined $initial_reply_to) {
0fb7fc75
JS
468 $initial_reply_to =~ s/^\s*<?//;
469 $initial_reply_to =~ s/>?\s*$//;
470 $initial_reply_to = "<$initial_reply_to>" if $initial_reply_to ne '';
ace9c2a9 471}
ace72086 472
34cc60ce 473if (!defined $smtp_server) {
aca7ad76
EW
474 foreach (qw( /usr/sbin/sendmail /usr/lib/sendmail )) {
475 if (-x $_) {
476 $smtp_server = $_;
477 last;
478 }
479 }
480 $smtp_server ||= 'localhost'; # could be 127.0.0.1, too... *shrug*
3342d850
RA
481}
482
1f038a0c
RA
483if ($compose) {
484 # Note that this does not need to be secure, but we will make a small
485 # effort to have it be unique
486 open(C,">",$compose_filename)
487 or die "Failed to open for writing $compose_filename: $!";
94638f89 488 print C "From $sender # This line is ignored.\n";
1f038a0c
RA
489 printf C "Subject: %s\n\n", $initial_subject;
490 printf C <<EOT;
491GIT: Please enter your email below.
492GIT: Lines beginning in "GIT: " will be removed.
493GIT: Consider including an overall diffstat or table of contents
494GIT: for the patch you are writing.
495
496EOT
497 close(C);
498
ad79c024 499 my $editor = $ENV{GIT_EDITOR} || Git::config(@repo, "core.editor") || $ENV{VISUAL} || $ENV{EDITOR} || "vi";
065096c2 500 system('sh', '-c', $editor.' "$@"', $editor, $compose_filename);
1f038a0c
RA
501
502 open(C2,">",$compose_filename . ".final")
503 or die "Failed to open $compose_filename.final : " . $!;
504
505 open(C,"<",$compose_filename)
506 or die "Failed to open $compose_filename : " . $!;
507
0706bd19
JK
508 my $need_8bit_cte = file_has_nonascii($compose_filename);
509 my $in_body = 0;
1f038a0c
RA
510 while(<C>) {
511 next if m/^GIT: /;
0706bd19
JK
512 if (!$in_body && /^\n$/) {
513 $in_body = 1;
514 if ($need_8bit_cte) {
515 print C2 "MIME-Version: 1.0\n",
516 "Content-Type: text/plain; ",
517 "charset=utf-8\n",
518 "Content-Transfer-Encoding: 8bit\n";
519 }
520 }
521 if (!$in_body && /^MIME-Version:/i) {
522 $need_8bit_cte = 0;
523 }
d54eaaa2
JK
524 if (!$in_body && /^Subject: ?(.*)/i) {
525 my $subject = $1;
526 $_ = "Subject: " .
527 ($subject =~ /[^[:ascii:]]/ ?
528 quote_rfc2047($subject) :
529 $subject) .
530 "\n";
531 }
1f038a0c
RA
532 print C2 $_;
533 }
534 close(C);
535 close(C2);
536
8a7c56e1 537 while (1) {
1f038a0c 538 $_ = $term->readline("Send this email? (y|n) ");
8a7c56e1
MW
539 last if defined $_;
540 print "\n";
541 }
1f038a0c
RA
542
543 if (uc substr($_,0,1) ne 'Y') {
544 cleanup_compose_files();
545 exit(0);
546 }
547
97394ee4 548 @files = ($compose_filename . ".final", @files);
1f038a0c
RA
549}
550
83b24437 551# Variables we set as part of the loop over files
af068d27 552our ($message_id, %mail, $subject, $reply_to, $references, $message);
83b24437 553
567ffeb7
EW
554sub extract_valid_address {
555 my $address = shift;
ad9c18f5 556 my $local_part_regexp = '[^<>"\s@]+';
09302e17 557 my $domain_regexp = '[^.<>"\s@]+(?:\.[^.<>"\s@]+)+';
db3106b2
EW
558
559 # check for a local address:
ad9c18f5 560 return $address if ($address =~ /^($local_part_regexp)$/);
db3106b2 561
155197e6 562 $address =~ s/^\s*<(.*)>\s*$/$1/;
567ffeb7 563 if ($have_email_valid) {
ad9c18f5 564 return scalar Email::Valid->address($address);
567ffeb7
EW
565 } else {
566 # less robust/correct than the monster regexp in Email::Valid,
567 # but still does a 99% job, and one less dependency
ad9c18f5 568 $address =~ /($local_part_regexp\@$domain_regexp)/;
e96fd305 569 return $1;
567ffeb7
EW
570 }
571}
83b24437
RA
572
573# Usually don't need to change anything below here.
574
575# we make a "fake" message id by taking the current number
576# of seconds since the beginning of Unix time and tacking on
577# a random number to the end, in case we are called quicker than
578# 1 second since the last time we were called.
8037d1a3
RA
579
580# We'll setup a template for the message id, using the "from" address:
8037d1a3 581
be510cfe 582my ($message_id_stamp, $message_id_serial);
83b24437
RA
583sub make_message_id
584{
be510cfe
JH
585 my $uniq;
586 if (!defined $message_id_stamp) {
587 $message_id_stamp = sprintf("%s-%s", time, $$);
588 $message_id_serial = 0;
589 }
590 $message_id_serial++;
591 $uniq = "$message_id_stamp-$message_id_serial";
592
aeb59328 593 my $du_part;
94638f89
UKK
594 for ($sender, $repocommitter, $repoauthor) {
595 $du_part = extract_valid_address(sanitize_address($_));
596 last if (defined $du_part and $du_part ne '');
aeb59328 597 }
94638f89 598 if (not defined $du_part or $du_part eq '') {
aeb59328
JH
599 use Sys::Hostname qw();
600 $du_part = 'user@' . Sys::Hostname::hostname();
601 }
be510cfe
JH
602 my $message_id_template = "<%s-git-send-email-%s>";
603 $message_id = sprintf($message_id_template, $uniq, $du_part);
8037d1a3 604 #print "new message id = $message_id\n"; # Was useful for debugging
83b24437
RA
605}
606
607
608
a5370b16 609$time = time - scalar $#files;
83b24437 610
374c5905
JR
611sub unquote_rfc2047 {
612 local ($_) = @_;
8291db6f
JK
613 my $encoding;
614 if (s/=\?([^?]+)\?q\?(.*)\?=/$2/g) {
615 $encoding = $1;
374c5905
JR
616 s/_/ /g;
617 s/=([0-9A-F]{2})/chr(hex($1))/eg;
618 }
8291db6f 619 return wantarray ? ($_, $encoding) : $_;
374c5905
JR
620}
621
d54eaaa2
JK
622sub quote_rfc2047 {
623 local $_ = shift;
624 my $encoding = shift || 'utf-8';
625 s/([^-a-zA-Z0-9!*+\/])/sprintf("=%02X", ord($1))/eg;
626 s/(.*)/=\?$encoding\?q\?$1\?=/;
627 return $_;
628}
629
5b56aaa2
UKK
630# use the simplest quoting being able to handle the recipient
631sub sanitize_address
732263d4
RJ
632{
633 my ($recipient) = @_;
5b56aaa2
UKK
634 my ($recipient_name, $recipient_addr) = ($recipient =~ /^(.*?)\s*(<.*)/);
635
636 if (not $recipient_name) {
637 return "$recipient";
638 }
639
640 # if recipient_name is already quoted, do nothing
641 if ($recipient_name =~ /^(".*"|=\?utf-8\?q\?.*\?=)$/) {
642 return $recipient;
643 }
644
645 # rfc2047 is needed if a non-ascii char is included
646 if ($recipient_name =~ /[^[:ascii:]]/) {
d54eaaa2 647 $recipient_name = quote_rfc2047($recipient_name);
732263d4 648 }
5b56aaa2
UKK
649
650 # double quotes are needed if specials or CTLs are included
651 elsif ($recipient_name =~ /[][()<>@,;:\\".\000-\037\177]/) {
18023c20 652 $recipient_name =~ s/(["\\\r])/\\$1/g;
5b56aaa2
UKK
653 $recipient_name = "\"$recipient_name\"";
654 }
655
656 return "$recipient_name $recipient_addr";
657
732263d4
RJ
658}
659
83b24437
RA
660sub send_message
661{
4bc87a28 662 my @recipients = unique_email_list(@to);
7ac17529
ABH
663 @cc = (grep { my $cc = extract_valid_address($_);
664 not grep { $cc eq $_ } @recipients
665 }
666 map { sanitize_address($_) }
667 @cc);
4bc87a28 668 my $to = join (",\n\t", @recipients);
58063245 669 @recipients = unique_email_list(@recipients,@cc,@bcclist);
c38f0247 670 @recipients = (map { extract_valid_address($_) } @recipients);
6bdca890 671 my $date = format_2822_time($time++);
e923effb
ML
672 my $gitversion = '@@GIT_VERSION@@';
673 if ($gitversion =~ m/..GIT_VERSION../) {
3cb8caf7 674 $gitversion = Git::version();
e923effb 675 }
4bc87a28 676
af068d27 677 my $cc = join(", ", unique_email_list(@cc));
f06a6a49
JH
678 my $ccline = "";
679 if ($cc ne '') {
680 $ccline = "\nCc: $cc";
681 }
94638f89 682 my $sanitized_sender = sanitize_address($sender);
4f3d3703 683 make_message_id() unless defined($message_id);
aeb59328 684
94638f89 685 my $header = "From: $sanitized_sender
f06a6a49 686To: $to${ccline}
4bc87a28 687Subject: $subject
4bc87a28
EW
688Date: $date
689Message-Id: $message_id
e923effb 690X-Mailer: git-send-email $gitversion
4bc87a28 691";
5483c71d 692 if ($thread && $reply_to) {
7ccf7927
RA
693
694 $header .= "In-Reply-To: $reply_to\n";
695 $header .= "References: $references\n";
696 }
ce91c2f6
JH
697 if (@xh) {
698 $header .= join("\n", @xh) . "\n";
699 }
4bc87a28 700
c38f0247 701 my @sendmail_parameters = ('-i', @recipients);
94638f89 702 my $raw_from = $sanitized_sender;
f073a592
RJ
703 $raw_from = $envelope_sender if (defined $envelope_sender);
704 $raw_from = extract_valid_address($raw_from);
705 unshift (@sendmail_parameters,
706 '-f', $raw_from) if(defined $envelope_sender);
8e3d436b 707
6130259c
MW
708 if ($dry_run) {
709 # We don't want to send the email.
710 } elsif ($smtp_server =~ m#^/#) {
aca7ad76
EW
711 my $pid = open my $sm, '|-';
712 defined $pid or die $!;
713 if (!$pid) {
8e3d436b 714 exec($smtp_server, @sendmail_parameters) or die $!;
aca7ad76
EW
715 }
716 print $sm "$header\n$message";
717 close $sm or die $?;
718 } else {
44b2476a
JH
719
720 if (!defined $smtp_server) {
721 die "The required SMTP server is not properly defined."
722 }
723
f6bebd12 724 if ($smtp_encryption eq 'ssl') {
44b2476a 725 $smtp_server_port ||= 465; # ssmtp
34cc60ce 726 require Net::SMTP::SSL;
44b2476a 727 $smtp ||= Net::SMTP::SSL->new($smtp_server, Port => $smtp_server_port);
34cc60ce
DS
728 }
729 else {
730 require Net::SMTP;
44b2476a
JH
731 $smtp ||= Net::SMTP->new((defined $smtp_server_port)
732 ? "$smtp_server:$smtp_server_port"
733 : $smtp_server);
f6bebd12
TR
734 if ($smtp_encryption eq 'tls') {
735 require Net::SMTP::SSL;
736 $smtp->command('STARTTLS');
737 $smtp->response();
738 if ($smtp->code == 220) {
739 $smtp = Net::SMTP::SSL->start_SSL($smtp)
740 or die "STARTTLS failed! ".$smtp->message;
6cbf8b00 741 $smtp_encryption = '';
9d1ccf5e
RS
742 # Send EHLO again to receive fresh
743 # supported commands
744 $smtp->hello();
f6bebd12
TR
745 } else {
746 die "Server does not support STARTTLS! ".$smtp->message;
747 }
748 }
44b2476a
JH
749 }
750
751 if (!$smtp) {
752 die "Unable to initialize SMTP properly. Is there something wrong with your config?";
753 }
754
2363d746
MW
755 if (defined $smtp_authuser) {
756
757 if (!defined $smtp_authpass) {
758
759 system "stty -echo";
760
761 do {
762 print "Password: ";
763 $_ = <STDIN>;
764 print "\n";
765 } while (!defined $_);
766
767 chomp($smtp_authpass = $_);
768
769 system "stty echo";
770 }
771
5f5b6118 772 $auth ||= $smtp->auth( $smtp_authuser, $smtp_authpass ) or die $smtp->message;
34cc60ce 773 }
2363d746 774
2b69bfc2 775 $smtp->mail( $raw_from ) or die $smtp->message;
aca7ad76
EW
776 $smtp->to( @recipients ) or die $smtp->message;
777 $smtp->data or die $smtp->message;
778 $smtp->datasend("$header\n$message") or die $smtp->message;
779 $smtp->dataend() or die $smtp->message;
780 $smtp->ok or die "Failed to send $subject\n".$smtp->message;
781 }
2718435b 782 if ($quiet) {
71c7da94 783 printf (($dry_run ? "Dry-" : "")."Sent %s\n", $subject);
2718435b 784 } else {
b7f30e0a 785 print (($dry_run ? "Dry-" : "")."OK. Log says:\n");
2b69bfc2 786 if ($smtp_server !~ m#^/#) {
aca7ad76 787 print "Server: $smtp_server\n";
2b69bfc2
RJ
788 print "MAIL FROM:<$raw_from>\n";
789 print "RCPT TO:".join(',',(map { "<$_>" } @recipients))."\n";
aca7ad76 790 } else {
8e3d436b 791 print "Sendmail: $smtp_server ".join(' ',@sendmail_parameters)."\n";
aca7ad76 792 }
b7f30e0a 793 print $header, "\n";
aca7ad76
EW
794 if ($smtp) {
795 print "Result: ", $smtp->code, ' ',
796 ($smtp->message =~ /\n([^\n]+\n)$/s), "\n";
797 } else {
798 print "Result: OK\n";
799 }
30d08b34 800 }
83b24437
RA
801}
802
83b24437 803$reply_to = $initial_reply_to;
2186d566 804$references = $initial_reply_to || '';
83b24437
RA
805$subject = $initial_subject;
806
807foreach my $t (@files) {
83b24437
RA
808 open(F,"<",$t) or die "can't open file $t";
809
94638f89 810 my $author = undef;
8291db6f
JK
811 my $author_encoding;
812 my $has_content_type;
813 my $body_encoding;
da140f8b 814 @cc = @initial_cc;
ce91c2f6 815 @xh = ();
e6b0964a 816 my $input_format = undef;
83b24437
RA
817 my $header_done = 0;
818 $message = "";
819 while(<F>) {
820 if (!$header_done) {
e6b0964a
JH
821 if (/^From /) {
822 $input_format = 'mbox';
823 next;
824 }
83b24437 825 chomp;
e6b0964a
JH
826 if (!defined $input_format && /^[-A-Za-z]+:\s/) {
827 $input_format = 'mbox';
828 }
83b24437 829
e6b0964a 830 if (defined $input_format && $input_format eq 'mbox') {
83b24437
RA
831 if (/^Subject:\s+(.*)$/) {
832 $subject = $1;
833
834 } elsif (/^(Cc|From):\s+(.*)$/) {
94638f89 835 if (unquote_rfc2047($2) eq $sender) {
65648283 836 next if ($suppress_cc{'self'});
8a8e6235 837 }
68d42c41 838 elsif ($1 eq 'From') {
8291db6f
JK
839 ($author, $author_encoding)
840 = unquote_rfc2047($2);
65648283
DB
841 next if ($suppress_cc{'author'});
842 } else {
843 next if ($suppress_cc{'cc'});
8a8e6235 844 }
83b24437 845 printf("(mbox) Adding cc: %s from line '%s'\n",
2718435b 846 $2, $_) unless $quiet;
83b24437
RA
847 push @cc, $2;
848 }
8291db6f
JK
849 elsif (/^Content-type:/i) {
850 $has_content_type = 1;
8892048d 851 if (/charset="?([^ "]+)/) {
8291db6f
JK
852 $body_encoding = $1;
853 }
854 push @xh, $_;
855 }
4f3d3703
JK
856 elsif (/^Message-Id: (.*)/i) {
857 $message_id = $1;
858 }
1d6a003a 859 elsif (!/^Date:\s/ && /^[-A-Za-z]+:\s+\S/) {
ce91c2f6
JH
860 push @xh, $_;
861 }
83b24437
RA
862
863 } else {
864 # In the traditional
865 # "send lots of email" format,
866 # line 1 = cc
867 # line 2 = subject
868 # So let's support that, too.
e6b0964a 869 $input_format = 'lots';
65648283 870 if (@cc == 0 && !$suppress_cc{'cc'}) {
83b24437 871 printf("(non-mbox) Adding cc: %s from line '%s'\n",
2718435b 872 $_, $_) unless $quiet;
83b24437
RA
873
874 push @cc, $_;
875
876 } elsif (!defined $subject) {
877 $subject = $_;
878 }
879 }
5825e5b2 880
83b24437
RA
881 # A whitespace line will terminate the headers
882 if (m/^\s*$/) {
883 $header_done = 1;
884 }
885 } else {
886 $message .= $_;
65648283
DB
887 if (/^(Signed-off-by|Cc): (.*)$/i) {
888 next if ($suppress_cc{'sob'});
ba51795c 889 chomp;
abec100c 890 my $c = $2;
83b24437 891 chomp $c;
65648283 892 next if ($c eq $sender and $suppress_cc{'self'});
83b24437
RA
893 push @cc, $c;
894 printf("(sob) Adding cc: %s from line '%s'\n",
2718435b 895 $c, $_) unless $quiet;
83b24437
RA
896 }
897 }
898 }
899 close F;
324a8bd0 900
65648283 901 if (defined $cc_cmd && !$suppress_cc{'cccmd'}) {
324a8bd0
JP
902 open(F, "$cc_cmd $t |")
903 or die "(cc-cmd) Could not execute '$cc_cmd'";
904 while(<F>) {
905 my $c = $_;
906 $c =~ s/^\s*//g;
907 $c =~ s/\n$//g;
620bb245 908 next if ($c eq $sender and $suppress_from);
324a8bd0
JP
909 push @cc, $c;
910 printf("(cc-cmd) Adding cc: %s from: '%s'\n",
911 $c, $cc_cmd) unless $quiet;
912 }
913 close F
914 or die "(cc-cmd) failed to close pipe to '$cc_cmd'";
915 }
916
94638f89
UKK
917 if (defined $author) {
918 $message = "From: $author\n\n$message";
8291db6f
JK
919 if (defined $author_encoding) {
920 if ($has_content_type) {
921 if ($body_encoding eq $author_encoding) {
922 # ok, we already have the right encoding
923 }
924 else {
925 # uh oh, we should re-encode
926 }
927 }
928 else {
929 push @xh,
930 'MIME-Version: 1.0',
8641ee3d
JK
931 "Content-Type: text/plain; charset=$author_encoding",
932 'Content-Transfer-Encoding: 8bit';
8291db6f
JK
933 }
934 }
8a8e6235 935 }
83b24437 936
83b24437
RA
937 send_message();
938
939 # set up for the next message
bc108f63 940 if ($chain_reply_to || !defined $reply_to || length($reply_to) == 0) {
78488b2c 941 $reply_to = $message_id;
7ccf7927 942 if (length $references > 0) {
a925b89c 943 $references .= "\n $message_id";
7ccf7927
RA
944 } else {
945 $references = "$message_id";
946 }
78488b2c 947 }
4f3d3703 948 $message_id = undef;
83b24437 949}
e205735d 950
1f038a0c
RA
951if ($compose) {
952 cleanup_compose_files();
953}
954
955sub cleanup_compose_files() {
956 unlink($compose_filename, $compose_filename . ".final");
957
958}
959
4bc87a28 960$smtp->quit if $smtp;
e205735d
RA
961
962sub unique_email_list(@) {
963 my %seen;
964 my @emails;
965
966 foreach my $entry (@_) {
db3106b2
EW
967 if (my $clean = extract_valid_address($entry)) {
968 $seen{$clean} ||= 0;
969 next if $seen{$clean}++;
970 push @emails, $entry;
971 } else {
972 print STDERR "W: unable to extract a valid address",
973 " from: $entry\n";
974 }
e205735d
RA
975 }
976 return @emails;
977}
747bbff9
JK
978
979sub validate_patch {
980 my $fn = shift;
981 open(my $fh, '<', $fn)
982 or die "unable to open $fn: $!\n";
983 while (my $line = <$fh>) {
984 if (length($line) > 998) {
985 return "$.: patch contains a line longer than 998 characters";
986 }
987 }
988 return undef;
989}
0706bd19
JK
990
991sub file_has_nonascii {
992 my $fn = shift;
993 open(my $fh, '<', $fn)
994 or die "unable to open $fn: $!\n";
995 while (my $line = <$fh>) {
996 return 1 if $line =~ /[^[:ascii:]]/;
997 }
998 return 0;
999}