send-email: Use To: headers in patch files
[git/git.git] / git-send-email.perl
CommitLineData
83b24437 1#!/usr/bin/perl -w
83b24437 2#
f3d9f354
RA
3# Copyright 2002,2005 Greg Kroah-Hartman <greg@kroah.com>
4# Copyright 2005 Ryan Anderson <ryan@michonline.com>
83b24437
RA
5#
6# GPL v2 (See COPYING)
5825e5b2 7#
83b24437
RA
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 22use Getopt::Long;
0e73b3ee 23use Text::ParseWords;
83b24437 24use Data::Dumper;
412876dc 25use Term::ANSIColor;
eed6ca7c 26use File::Temp qw/ tempdir tempfile /;
5df9fcf6 27use Error qw(:try);
3cb8caf7 28use Git;
83b24437 29
5df9fcf6
PH
30Getopt::Long::Configure qw/ pass_through /;
31
280242d1
JH
32package FakeTerm;
33sub new {
34 my ($class, $reason) = @_;
35 return bless \$reason, shift;
36}
37sub readline {
38 my $self = shift;
39 die "Cannot use readline on FakeTerm: $$self";
40}
41package main;
42
1b0baf14
MC
43
44sub usage {
45 print <<EOT;
5df9fcf6 46git send-email [options] <file | directory | rev-list options >
4ed62b03
MW
47
48 Composing:
49 --from <str> * Email From:
f434c083
SB
50 --[no-]to <str> * Email To:
51 --[no-]cc <str> * Email Cc:
52 --[no-]bcc <str> * Email Bcc:
4ed62b03
MW
53 --subject <str> * Email "Subject:"
54 --in-reply-to <str> * Email "In-Reply-To:"
8fd5bb7f 55 --annotate * Review each patch that will be sent in an editor.
4ed62b03 56 --compose * Open an editor for introduction.
3cae7e5b 57 --8bit-encoding <str> * Encoding to assume 8bit mails if undeclared
4ed62b03
MW
58
59 Sending:
60 --envelope-sender <str> * Email envelope sender.
61 --smtp-server <str:int> * Outgoing SMTP server to use. The port
62 is optional. Default 'localhost'.
63 --smtp-server-port <int> * Outgoing SMTP server port.
64 --smtp-user <str> * Username for SMTP-AUTH.
65 --smtp-pass <str> * Password for SMTP-AUTH; not necessary.
66 --smtp-encryption <str> * tls or ssl; anything else disables.
67 --smtp-ssl * Deprecated. Use '--smtp-encryption ssl'.
134550fe 68 --smtp-domain <str> * The domain name sent to HELO/EHLO handshake
f60812ef 69 --smtp-debug <0|1> * Disable, enable Net::SMTP debug.
4ed62b03
MW
70
71 Automating:
72 --identity <str> * Use the sendemail.<id> options.
73 --cc-cmd <str> * Email Cc: via `<str> \$patch_path`
3531e270
JS
74 --suppress-cc <str> * author, self, sob, cc, cccmd, body, bodycc, all.
75 --[no-]signed-off-by-cc * Send to Signed-off-by: addresses. Default on.
4ed62b03 76 --[no-]suppress-from * Send to self. Default off.
41fe87fa 77 --[no-]chain-reply-to * Chain In-Reply-To: fields. Default off.
4ed62b03
MW
78 --[no-]thread * Use In-Reply-To: field. Default on.
79
80 Administering:
c1f2aa45
JS
81 --confirm <str> * Confirm recipients before sending;
82 auto, cc, compose, always, or never.
4ed62b03
MW
83 --quiet * Output one line of info per email.
84 --dry-run * Don't actually send the emails.
85 --[no-]validate * Perform patch sanity checks. Default on.
5df9fcf6
PH
86 --[no-]format-patch * understand any non optional arguments as
87 `git format-patch` ones.
c764a0c2 88
1b0baf14
MC
89EOT
90 exit(1);
91}
92
4bc87a28 93# most mail servers generate the Date: header, but not all...
6bdca890
JN
94sub format_2822_time {
95 my ($time) = @_;
96 my @localtm = localtime($time);
97 my @gmttm = gmtime($time);
98 my $localmin = $localtm[1] + $localtm[2] * 60;
99 my $gmtmin = $gmttm[1] + $gmttm[2] * 60;
100 if ($localtm[0] != $gmttm[0]) {
101 die "local zone differs from GMT by a non-minute interval\n";
102 }
103 if ((($gmttm[6] + 1) % 7) == $localtm[6]) {
104 $localmin += 1440;
105 } elsif ((($gmttm[6] - 1) % 7) == $localtm[6]) {
106 $localmin -= 1440;
107 } elsif ($gmttm[6] != $localtm[6]) {
108 die "local time offset greater than or equal to 24 hours\n";
109 }
110 my $offset = $localmin - $gmtmin;
111 my $offhour = $offset / 60;
112 my $offmin = abs($offset % 60);
113 if (abs($offhour) >= 24) {
114 die ("local time offset greater than or equal to 24 hours\n");
115 }
116
117 return sprintf("%s, %2d %s %d %02d:%02d:%02d %s%02d%02d",
118 qw(Sun Mon Tue Wed Thu Fri Sat)[$localtm[6]],
119 $localtm[3],
120 qw(Jan Feb Mar Apr May Jun
121 Jul Aug Sep Oct Nov Dec)[$localtm[4]],
122 $localtm[5]+1900,
123 $localtm[2],
124 $localtm[1],
125 $localtm[0],
126 ($offset >= 0) ? '+' : '-',
127 abs($offhour),
128 $offmin,
129 );
130}
4bc87a28 131
567ffeb7 132my $have_email_valid = eval { require Email::Valid; 1 };
5012699d 133my $have_mail_address = eval { require Mail::Address; 1 };
4bc87a28 134my $smtp;
5f5b6118 135my $auth;
4bc87a28 136
e205735d 137sub unique_email_list(@);
1f038a0c
RA
138sub cleanup_compose_files();
139
83b24437 140# Variables we fill in automatically, or via prompting:
f434c083 141my (@to,$no_to,@cc,$no_cc,@initial_cc,@bcclist,$no_bcc,@xh,
8fd5bb7f
PH
142 $initial_reply_to,$initial_subject,@files,
143 $author,$sender,$smtp_authpass,$annotate,$compose,$time);
83b24437 144
f073a592 145my $envelope_sender;
78488b2c 146
9133261f 147# Example reply to:
83b24437 148#$initial_reply_to = ''; #<20050203173208.GA23964@foobar.com>';
83b24437 149
ad79c024
FL
150my $repo = eval { Git->repository() };
151my @repo = $repo ? ($repo) : ();
280242d1 152my $term = eval {
0fb7fc75
JS
153 $ENV{"GIT_SEND_EMAIL_NOTTY"}
154 ? new Term::ReadLine 'git-send-email', \*STDIN, \*STDOUT
155 : new Term::ReadLine 'git-send-email';
280242d1
JH
156};
157if ($@) {
158 $term = new FakeTerm "$@: going non-interactive";
159}
83b24437 160
5483c71d
AR
161# Behavior modification variables
162my ($quiet, $dry_run) = (0, 0);
5df9fcf6 163my $format_patch;
afe756c9 164my $compose_filename;
5483c71d 165
8fd5bb7f
PH
166# Handle interactive edition of files.
167my $multiedit;
0ce142c9 168my $editor;
b4479f07 169
8fd5bb7f 170sub do_edit {
0ce142c9
MG
171 if (!defined($editor)) {
172 $editor = Git::command_oneline('var', 'GIT_EDITOR');
173 }
8fd5bb7f 174 if (defined($multiedit) && !$multiedit) {
beece9da
PH
175 map {
176 system('sh', '-c', $editor.' "$@"', $editor, $_);
177 if (($? & 127) || ($? >> 8)) {
178 die("the editor exited uncleanly, aborting everything");
179 }
180 } @_;
8fd5bb7f
PH
181 } else {
182 system('sh', '-c', $editor.' "$@"', $editor, @_);
beece9da
PH
183 if (($? & 127) || ($? >> 8)) {
184 die("the editor exited uncleanly, aborting everything");
185 }
8fd5bb7f
PH
186 }
187}
5483c71d
AR
188
189# Variables with corresponding config settings
ddc3d4fe 190my ($thread, $chain_reply_to, $suppress_from, $signed_off_by_cc, $cc_cmd);
f6bebd12 191my ($smtp_server, $smtp_server_port, $smtp_authuser, $smtp_encryption);
69cf7bfd 192my ($identity, $aliasfiletype, @alias_files, @smtp_host_parts, $smtp_domain);
c1f2aa45 193my ($validate, $confirm);
65648283 194my (@suppress_cc);
3cae7e5b 195my ($auto_8bit_encoding);
5483c71d 196
f60812ef
JA
197my ($debug_net_smtp) = 0; # Net::SMTP, see send_message()
198
528fb087
NS
199my $not_set_by_user = "true but not set by the user";
200
34cc60ce 201my %config_bool_settings = (
5483c71d 202 "thread" => [\$thread, 1],
528fb087 203 "chainreplyto" => [\$chain_reply_to, $not_set_by_user],
65648283 204 "suppressfrom" => [\$suppress_from, undef],
ddc3d4fe
MW
205 "signedoffbycc" => [\$signed_off_by_cc, undef],
206 "signedoffcc" => [\$signed_off_by_cc, undef], # Deprecated
dbf5e1e9 207 "validate" => [\$validate, 1],
e46f7a0e
AR
208);
209
34cc60ce
DS
210my %config_settings = (
211 "smtpserver" => \$smtp_server,
44b2476a 212 "smtpserverport" => \$smtp_server_port,
34cc60ce
DS
213 "smtpuser" => \$smtp_authuser,
214 "smtppass" => \$smtp_authpass,
69cf7bfd 215 "smtpdomain" => \$smtp_domain,
2db9b49c 216 "to" => \@to,
5f8b9fcd 217 "cc" => \@initial_cc,
34cc60ce
DS
218 "cccmd" => \$cc_cmd,
219 "aliasfiletype" => \$aliasfiletype,
220 "bcc" => \@bcclist,
221 "aliasesfile" => \@alias_files,
65648283 222 "suppresscc" => \@suppress_cc,
9f7820ae 223 "envelopesender" => \$envelope_sender,
8fd5bb7f 224 "multiedit" => \$multiedit,
c1f2aa45 225 "confirm" => \$confirm,
09caa24f 226 "from" => \$sender,
3cae7e5b 227 "assume8bitencoding" => \$auto_8bit_encoding,
34cc60ce 228);
4a62d3f5 229
528fb087
NS
230# Help users prepare for 1.7.0
231sub chain_reply_to {
232 if (defined $chain_reply_to &&
233 $chain_reply_to eq $not_set_by_user) {
234 print STDERR
a19f101e 235 "In git 1.7.0, the default has changed to --no-chain-reply-to\n" .
528fb087
NS
236 "Set sendemail.chainreplyto configuration variable to true if\n" .
237 "you want to keep --chain-reply-to as your default.\n";
a19f101e 238 $chain_reply_to = 0;
528fb087
NS
239 }
240 return $chain_reply_to;
241}
242
87429976
MW
243# Handle Uncouth Termination
244sub signal_handler {
245
246 # Make text normal
247 print color("reset"), "\n";
248
249 # SMTP password masked
250 system "stty echo";
251
252 # tmp files from --compose
afe756c9
JS
253 if (defined $compose_filename) {
254 if (-e $compose_filename) {
255 print "'$compose_filename' contains an intermediate version of the email you were composing.\n";
256 }
257 if (-e ($compose_filename . ".final")) {
258 print "'$compose_filename.final' contains the composed email.\n"
259 }
87429976
MW
260 }
261
262 exit;
263};
264
265$SIG{TERM} = \&signal_handler;
266$SIG{INT} = \&signal_handler;
267
83b24437
RA
268# Begin by accumulating all the variables (defined above), that we will end up
269# needing, first, from the command line:
270
94638f89 271my $rc = GetOptions("sender|from=s" => \$sender,
83b24437
RA
272 "in-reply-to=s" => \$initial_reply_to,
273 "subject=s" => \$initial_subject,
274 "to=s" => \@to,
f434c083 275 "no-to" => \$no_to,
da140f8b 276 "cc=s" => \@initial_cc,
f434c083 277 "no-cc" => \$no_cc,
58063245 278 "bcc=s" => \@bcclist,
f434c083 279 "no-bcc" => \$no_bcc,
78488b2c 280 "chain-reply-to!" => \$chain_reply_to,
3342d850 281 "smtp-server=s" => \$smtp_server,
44b2476a 282 "smtp-server-port=s" => \$smtp_server_port,
34cc60ce 283 "smtp-user=s" => \$smtp_authuser,
2363d746 284 "smtp-pass:s" => \$smtp_authpass,
f6bebd12
TR
285 "smtp-ssl" => sub { $smtp_encryption = 'ssl' },
286 "smtp-encryption=s" => \$smtp_encryption,
f60812ef 287 "smtp-debug:i" => \$debug_net_smtp,
69cf7bfd 288 "smtp-domain:s" => \$smtp_domain,
34cc60ce 289 "identity=s" => \$identity,
8fd5bb7f 290 "annotate" => \$annotate,
1f038a0c 291 "compose" => \$compose,
30d08b34 292 "quiet" => \$quiet,
324a8bd0 293 "cc-cmd=s" => \$cc_cmd,
5483c71d 294 "suppress-from!" => \$suppress_from,
65648283 295 "suppress-cc=s" => \@suppress_cc,
ddc3d4fe 296 "signed-off-cc|signed-off-by-cc!" => \$signed_off_by_cc,
c1f2aa45 297 "confirm=s" => \$confirm,
6130259c 298 "dry-run" => \$dry_run,
f073a592 299 "envelope-sender=s" => \$envelope_sender,
5483c71d 300 "thread!" => \$thread,
dbf5e1e9 301 "validate!" => \$validate,
5df9fcf6 302 "format-patch!" => \$format_patch,
3cae7e5b 303 "8bit-encoding=s" => \$auto_8bit_encoding,
83b24437
RA
304 );
305
1b0baf14
MC
306unless ($rc) {
307 usage();
308}
309
eed6ca7c
JS
310die "Cannot run git format-patch from outside a repository\n"
311 if $format_patch and not $repo;
312
34cc60ce
DS
313# Now, let's fill any that aren't set in with defaults:
314
315sub read_config {
316 my ($prefix) = @_;
317
318 foreach my $setting (keys %config_bool_settings) {
319 my $target = $config_bool_settings{$setting}->[0];
ad79c024 320 $$target = Git::config_bool(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
321 }
322
323 foreach my $setting (keys %config_settings) {
324 my $target = $config_settings{$setting};
f434c083
SB
325 next if $setting eq "to" and defined $no_to;
326 next if $setting eq "cc" and defined $no_cc;
327 next if $setting eq "bcc" and defined $no_bcc;
34cc60ce
DS
328 if (ref($target) eq "ARRAY") {
329 unless (@$target) {
ad79c024 330 my @values = Git::config(@repo, "$prefix.$setting");
34cc60ce
DS
331 @$target = @values if (@values && defined $values[0]);
332 }
333 }
334 else {
ad79c024 335 $$target = Git::config(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
336 }
337 }
f6bebd12
TR
338
339 if (!defined $smtp_encryption) {
340 my $enc = Git::config(@repo, "$prefix.smtpencryption");
341 if (defined $enc) {
342 $smtp_encryption = $enc;
343 } elsif (Git::config_bool(@repo, "$prefix.smtpssl")) {
344 $smtp_encryption = 'ssl';
345 }
346 }
34cc60ce
DS
347}
348
349# read configuration from [sendemail "$identity"], fall back on [sendemail]
ad79c024 350$identity = Git::config(@repo, "sendemail.identity") unless (defined $identity);
34cc60ce
DS
351read_config("sendemail.$identity") if (defined $identity);
352read_config("sendemail");
353
354# fall back on builtin bool defaults
355foreach my $setting (values %config_bool_settings) {
356 ${$setting->[0]} = $setting->[1] unless (defined (${$setting->[0]}));
357}
358
fa835cd5
TR
359# 'default' encryption is none -- this only prevents a warning
360$smtp_encryption = '' unless (defined $smtp_encryption);
361
65648283
DB
362# Set CC suppressions
363my(%suppress_cc);
364if (@suppress_cc) {
365 foreach my $entry (@suppress_cc) {
366 die "Unknown --suppress-cc field: '$entry'\n"
3531e270 367 unless $entry =~ /^(all|cccmd|cc|author|self|sob|body|bodycc)$/;
65648283
DB
368 $suppress_cc{$entry} = 1;
369 }
370}
371
372if ($suppress_cc{'all'}) {
cb8a9bd5 373 foreach my $entry (qw (cccmd cc author self sob body bodycc)) {
65648283
DB
374 $suppress_cc{$entry} = 1;
375 }
376 delete $suppress_cc{'all'};
377}
378
379# If explicit old-style ones are specified, they trump --suppress-cc.
380$suppress_cc{'self'} = $suppress_from if defined $suppress_from;
ddc3d4fe 381$suppress_cc{'sob'} = !$signed_off_by_cc if defined $signed_off_by_cc;
65648283 382
3531e270
JS
383if ($suppress_cc{'body'}) {
384 foreach my $entry (qw (sob bodycc)) {
385 $suppress_cc{$entry} = 1;
386 }
387 delete $suppress_cc{'body'};
388}
389
c1f2aa45
JS
390# Set confirm's default value
391my $confirm_unconfigured = !defined $confirm;
392if ($confirm_unconfigured) {
393 $confirm = scalar %suppress_cc ? 'compose' : 'auto';
394};
395die "Unknown --confirm setting: '$confirm'\n"
396 unless $confirm =~ /^(?:auto|cc|compose|always|never)/;
397
65648283
DB
398# Debugging, print out the suppressions.
399if (0) {
400 print "suppressions:\n";
401 foreach my $entry (keys %suppress_cc) {
402 printf " %-5s -> $suppress_cc{$entry}\n", $entry;
403 }
404}
405
ad79c024
FL
406my ($repoauthor, $repocommitter);
407($repoauthor) = Git::ident_person(@repo, 'author');
408($repocommitter) = Git::ident_person(@repo, 'committer');
34cc60ce 409
79ee555b
EB
410# Verify the user input
411
412foreach my $entry (@to) {
413 die "Comma in --to entry: $entry'\n" unless $entry !~ m/,/;
414}
415
416foreach my $entry (@initial_cc) {
417 die "Comma in --cc entry: $entry'\n" unless $entry !~ m/,/;
418}
419
420foreach my $entry (@bcclist) {
421 die "Comma in --bcclist entry: $entry'\n" unless $entry !~ m/,/;
422}
423
5012699d
JS
424sub parse_address_line {
425 if ($have_mail_address) {
426 return map { $_->format } Mail::Address->parse($_[0]);
427 } else {
428 return split_addrs($_[0]);
429 }
430}
431
0e73b3ee 432sub split_addrs {
2f0e7cbb 433 return quotewords('\s*,\s*', 1, @_);
0e73b3ee
WF
434}
435
994d6c66 436my %aliases;
994d6c66
EW
437my %parse_alias = (
438 # multiline formats can be supported in the future
439 mutt => sub { my $fh = shift; while (<$fh>) {
ffc01f9b 440 if (/^\s*alias\s+(?:-group\s+\S+\s+)*(\S+)\s+(.*)$/) {
994d6c66
EW
441 my ($alias, $addr) = ($1, $2);
442 $addr =~ s/#.*$//; # mutt allows # comments
443 # commas delimit multiple addresses
0e73b3ee 444 $aliases{$alias} = [ split_addrs($addr) ];
994d6c66
EW
445 }}},
446 mailrc => sub { my $fh = shift; while (<$fh>) {
447 if (/^alias\s+(\S+)\s+(.*)$/) {
448 # spaces delimit multiple addresses
fe87c921 449 $aliases{$1} = [ quotewords('\s+', 0, $2) ];
994d6c66 450 }}},
73c427eb
TP
451 pine => sub { my $fh = shift; my $f='\t[^\t]*';
452 for (my $x = ''; defined($x); $x = $_) {
453 chomp $x;
454 $x .= $1 while(defined($_ = <$fh>) && /^ +(.*)$/);
455 $x =~ /^(\S+)$f\t\(?([^\t]+?)\)?(:?$f){0,2}$/ or next;
0e73b3ee 456 $aliases{$1} = [ split_addrs($2) ];
73c427eb 457 }},
7613ea35
BP
458 elm => sub { my $fh = shift;
459 while (<$fh>) {
460 if (/^(\S+)\s+=\s+[^=]+=\s(\S+)/) {
461 my ($alias, $addr) = ($1, $2);
462 $aliases{$alias} = [ split_addrs($addr) ];
463 }
464 } },
465
994d6c66
EW
466 gnus => sub { my $fh = shift; while (<$fh>) {
467 if (/\(define-mail-alias\s+"(\S+?)"\s+"(\S+?)"\)/) {
468 $aliases{$1} = [ $2 ];
469 }}}
470);
471
3cb8caf7 472if (@alias_files and $aliasfiletype and defined $parse_alias{$aliasfiletype}) {
994d6c66
EW
473 foreach my $file (@alias_files) {
474 open my $fh, '<', $file or die "opening $file: $!\n";
475 $parse_alias{$aliasfiletype}->($fh);
476 close $fh;
477 }
478}
479
94638f89 480($sender) = expand_aliases($sender) if defined $sender;
ae740a58 481
5df9fcf6
PH
482# returns 1 if the conflict must be solved using it as a format-patch argument
483sub check_file_rev_conflict($) {
eed6ca7c 484 return unless $repo;
5df9fcf6
PH
485 my $f = shift;
486 try {
487 $repo->command('rev-parse', '--verify', '--quiet', $f);
488 if (defined($format_patch)) {
5df9fcf6
PH
489 return $format_patch;
490 }
491 die(<<EOF);
492File '$f' exists but it could also be the range of commits
493to produce patches for. Please disambiguate by...
494
495 * Saying "./$f" if you mean a file; or
496 * Giving --format-patch option if you mean a range.
497EOF
498 } catch Git::Error::Command with {
499 return 0;
500 }
501}
502
aa54892f
JK
503# Now that all the defaults are set, process the rest of the command line
504# arguments and collect up the files that need to be processed.
5df9fcf6 505my @rev_list_opts;
69f4ce55 506while (defined(my $f = shift @ARGV)) {
5df9fcf6
PH
507 if ($f eq "--") {
508 push @rev_list_opts, "--", @ARGV;
509 @ARGV = ();
510 } elsif (-d $f and !check_file_rev_conflict($f)) {
aa54892f
JK
511 opendir(DH,$f)
512 or die "Failed to opendir $f: $!";
513
514 push @files, grep { -f $_ } map { +$f . "/" . $_ }
515 sort readdir(DH);
8c178687 516 closedir(DH);
5df9fcf6 517 } elsif ((-f $f or -p $f) and !check_file_rev_conflict($f)) {
aa54892f 518 push @files, $f;
aa54892f 519 } else {
5df9fcf6 520 push @rev_list_opts, $f;
aa54892f
JK
521 }
522}
523
5df9fcf6 524if (@rev_list_opts) {
eed6ca7c
JS
525 die "Cannot run git format-patch from outside a repository\n"
526 unless $repo;
5df9fcf6
PH
527 push @files, $repo->command('format-patch', '-o', tempdir(CLEANUP => 1), @rev_list_opts);
528}
529
dbf5e1e9 530if ($validate) {
c764a0c2 531 foreach my $f (@files) {
300913bd
KB
532 unless (-p $f) {
533 my $error = validate_patch($f);
534 $error and die "fatal: $f: $error\nwarning: no patches were sent\n";
535 }
c764a0c2 536 }
747bbff9
JK
537}
538
aa54892f
JK
539if (@files) {
540 unless ($quiet) {
541 print $_,"\n" for (@files);
542 }
543} else {
544 print STDERR "\nNo patch files specified!\n\n";
545 usage();
546}
547
beece9da
PH
548sub get_patch_subject($) {
549 my $fn = shift;
550 open (my $fh, '<', $fn);
551 while (my $line = <$fh>) {
552 next unless ($line =~ /^Subject: (.*)$/);
553 close $fh;
554 return "GIT: $1\n";
555 }
556 close $fh;
557 die "No subject line in $fn ?";
558}
559
560if ($compose) {
561 # Note that this does not need to be secure, but we will make a small
562 # effort to have it be unique
afe756c9
JS
563 $compose_filename = ($repo ?
564 tempfile(".gitsendemail.msg.XXXXXX", DIR => $repo->repo_path()) :
565 tempfile(".gitsendemail.msg.XXXXXX", DIR => "."))[1];
beece9da
PH
566 open(C,">",$compose_filename)
567 or die "Failed to open for writing $compose_filename: $!";
568
569
570 my $tpl_sender = $sender || $repoauthor || $repocommitter || '';
571 my $tpl_subject = $initial_subject || '';
572 my $tpl_reply_to = $initial_reply_to || '';
573
574 print C <<EOT;
575From $tpl_sender # This line is ignored.
40e6e8a0 576GIT: Lines beginning in "GIT:" will be removed.
beece9da
PH
577GIT: Consider including an overall diffstat or table of contents
578GIT: for the patch you are writing.
579GIT:
580GIT: Clear the body content if you don't wish to send a summary.
581From: $tpl_sender
582Subject: $tpl_subject
583In-Reply-To: $tpl_reply_to
584
585EOT
586 for my $f (@files) {
587 print C get_patch_subject($f);
588 }
589 close(C);
590
beece9da
PH
591 if ($annotate) {
592 do_edit($compose_filename, @files);
593 } else {
594 do_edit($compose_filename);
595 }
596
597 open(C2,">",$compose_filename . ".final")
598 or die "Failed to open $compose_filename.final : " . $!;
599
600 open(C,"<",$compose_filename)
601 or die "Failed to open $compose_filename : " . $!;
602
603 my $need_8bit_cte = file_has_nonascii($compose_filename);
604 my $in_body = 0;
605 my $summary_empty = 1;
606 while(<C>) {
40e6e8a0 607 next if m/^GIT:/;
beece9da
PH
608 if ($in_body) {
609 $summary_empty = 0 unless (/^\n$/);
610 } elsif (/^\n$/) {
611 $in_body = 1;
612 if ($need_8bit_cte) {
613 print C2 "MIME-Version: 1.0\n",
614 "Content-Type: text/plain; ",
d1fff6fc 615 "charset=UTF-8\n",
beece9da
PH
616 "Content-Transfer-Encoding: 8bit\n";
617 }
618 } elsif (/^MIME-Version:/i) {
619 $need_8bit_cte = 0;
620 } elsif (/^Subject:\s*(.+)\s*$/i) {
621 $initial_subject = $1;
622 my $subject = $initial_subject;
623 $_ = "Subject: " .
624 ($subject =~ /[^[:ascii:]]/ ?
625 quote_rfc2047($subject) :
626 $subject) .
627 "\n";
628 } elsif (/^In-Reply-To:\s*(.+)\s*$/i) {
629 $initial_reply_to = $1;
630 next;
631 } elsif (/^From:\s*(.+)\s*$/i) {
632 $sender = $1;
633 next;
634 } elsif (/^(?:To|Cc|Bcc):/i) {
635 print "To/Cc/Bcc fields are not interpreted yet, they have been ignored\n";
636 next;
637 }
638 print C2 $_;
639 }
640 close(C);
641 close(C2);
642
643 if ($summary_empty) {
644 print "Summary email is empty, skipping it\n";
645 $compose = -1;
646 }
647} elsif ($annotate) {
648 do_edit(@files);
649}
650
6e182518
JS
651sub ask {
652 my ($prompt, %arg) = @_;
0da43a68 653 my $valid_re = $arg{valid_re};
6e182518
JS
654 my $default = $arg{default};
655 my $resp;
656 my $i = 0;
5906f54e
JS
657 return defined $default ? $default : undef
658 unless defined $term->IN and defined fileno($term->IN) and
659 defined $term->OUT and defined fileno($term->OUT);
6e182518
JS
660 while ($i++ < 10) {
661 $resp = $term->readline($prompt);
662 if (!defined $resp) { # EOF
663 print "\n";
664 return defined $default ? $default : undef;
665 }
666 if ($resp eq '' and defined $default) {
667 return $default;
668 }
0da43a68 669 if (!defined $valid_re or $resp =~ /$valid_re/) {
6e182518
JS
670 return $resp;
671 }
672 }
673 return undef;
674}
675
3cae7e5b
TR
676my %broken_encoding;
677
678sub file_declares_8bit_cte($) {
679 my $fn = shift;
680 open (my $fh, '<', $fn);
681 while (my $line = <$fh>) {
682 last if ($line =~ /^$/);
683 return 1 if ($line =~ /^Content-Transfer-Encoding: .*8bit.*$/);
684 }
685 close $fh;
686 return 0;
687}
688
689foreach my $f (@files) {
690 next unless (body_or_subject_has_nonascii($f)
691 && !file_declares_8bit_cte($f));
692 $broken_encoding{$f} = 1;
693}
694
695if (!defined $auto_8bit_encoding && scalar %broken_encoding) {
696 print "The following files are 8bit, but do not declare " .
697 "a Content-Transfer-Encoding.\n";
698 foreach my $f (sort keys %broken_encoding) {
699 print " $f\n";
700 }
701 $auto_8bit_encoding = ask("Which 8bit encoding should I declare [UTF-8]? ",
702 default => "UTF-8");
703}
704
1f038a0c 705my $prompting = 0;
94638f89 706if (!defined $sender) {
ad79c024 707 $sender = $repoauthor || $repocommitter || '';
6e182518
JS
708 $sender = ask("Who should the emails appear to be from? [$sender] ",
709 default => $sender);
94638f89 710 print "Emails will be sent from: ", $sender, "\n";
1f038a0c 711 $prompting++;
83b24437
RA
712}
713
714if (!@to) {
6e182518
JS
715 my $to = ask("Who should the emails be sent to? ");
716 push @to, parse_address_line($to) if defined $to; # sanitized/validated later
1f038a0c 717 $prompting++;
83b24437
RA
718}
719
994d6c66 720sub expand_aliases {
302e04ea
JK
721 return map { expand_one_alias($_) } @_;
722}
723
724my %EXPANDED_ALIASES;
725sub expand_one_alias {
726 my $alias = shift;
727 if ($EXPANDED_ALIASES{$alias}) {
728 die "fatal: alias '$alias' expands to itself\n";
729 }
730 local $EXPANDED_ALIASES{$alias} = 1;
731 return $aliases{$alias} ? expand_aliases(@{$aliases{$alias}}) : $alias;
994d6c66
EW
732}
733
734@to = expand_aliases(@to);
5b56aaa2 735@to = (map { sanitize_address($_) } @to);
994d6c66 736@initial_cc = expand_aliases(@initial_cc);
58063245 737@bcclist = expand_aliases(@bcclist);
994d6c66 738
5483c71d 739if ($thread && !defined $initial_reply_to && $prompting) {
6e182518
JS
740 $initial_reply_to = ask(
741 "Message-ID to be used as In-Reply-To for the first email? ");
83b24437 742}
1ca3d6ed 743if (defined $initial_reply_to) {
0fb7fc75
JS
744 $initial_reply_to =~ s/^\s*<?//;
745 $initial_reply_to =~ s/>?\s*$//;
746 $initial_reply_to = "<$initial_reply_to>" if $initial_reply_to ne '';
ace9c2a9 747}
ace72086 748
34cc60ce 749if (!defined $smtp_server) {
aca7ad76
EW
750 foreach (qw( /usr/sbin/sendmail /usr/lib/sendmail )) {
751 if (-x $_) {
752 $smtp_server = $_;
753 last;
754 }
755 }
756 $smtp_server ||= 'localhost'; # could be 127.0.0.1, too... *shrug*
3342d850
RA
757}
758
c1f2aa45
JS
759if ($compose && $compose > 0) {
760 @files = ($compose_filename . ".final", @files);
1f038a0c
RA
761}
762
83b24437 763# Variables we set as part of the loop over files
c1f2aa45 764our ($message_id, %mail, $subject, $reply_to, $references, $message,
dc1460aa 765 $needs_confirm, $message_num, $ask_default);
83b24437 766
567ffeb7
EW
767sub extract_valid_address {
768 my $address = shift;
ad9c18f5 769 my $local_part_regexp = '[^<>"\s@]+';
09302e17 770 my $domain_regexp = '[^.<>"\s@]+(?:\.[^.<>"\s@]+)+';
db3106b2
EW
771
772 # check for a local address:
ad9c18f5 773 return $address if ($address =~ /^($local_part_regexp)$/);
db3106b2 774
155197e6 775 $address =~ s/^\s*<(.*)>\s*$/$1/;
567ffeb7 776 if ($have_email_valid) {
ad9c18f5 777 return scalar Email::Valid->address($address);
567ffeb7
EW
778 } else {
779 # less robust/correct than the monster regexp in Email::Valid,
780 # but still does a 99% job, and one less dependency
ad9c18f5 781 $address =~ /($local_part_regexp\@$domain_regexp)/;
e96fd305 782 return $1;
567ffeb7
EW
783 }
784}
83b24437
RA
785
786# Usually don't need to change anything below here.
787
788# we make a "fake" message id by taking the current number
789# of seconds since the beginning of Unix time and tacking on
790# a random number to the end, in case we are called quicker than
791# 1 second since the last time we were called.
8037d1a3
RA
792
793# We'll setup a template for the message id, using the "from" address:
8037d1a3 794
be510cfe 795my ($message_id_stamp, $message_id_serial);
68ce9330 796sub make_message_id {
be510cfe
JH
797 my $uniq;
798 if (!defined $message_id_stamp) {
799 $message_id_stamp = sprintf("%s-%s", time, $$);
800 $message_id_serial = 0;
801 }
802 $message_id_serial++;
803 $uniq = "$message_id_stamp-$message_id_serial";
804
aeb59328 805 my $du_part;
94638f89
UKK
806 for ($sender, $repocommitter, $repoauthor) {
807 $du_part = extract_valid_address(sanitize_address($_));
808 last if (defined $du_part and $du_part ne '');
aeb59328 809 }
94638f89 810 if (not defined $du_part or $du_part eq '') {
aeb59328
JH
811 use Sys::Hostname qw();
812 $du_part = 'user@' . Sys::Hostname::hostname();
813 }
be510cfe
JH
814 my $message_id_template = "<%s-git-send-email-%s>";
815 $message_id = sprintf($message_id_template, $uniq, $du_part);
8037d1a3 816 #print "new message id = $message_id\n"; # Was useful for debugging
83b24437
RA
817}
818
819
820
a5370b16 821$time = time - scalar $#files;
83b24437 822
374c5905
JR
823sub unquote_rfc2047 {
824 local ($_) = @_;
8291db6f
JK
825 my $encoding;
826 if (s/=\?([^?]+)\?q\?(.*)\?=/$2/g) {
827 $encoding = $1;
374c5905
JR
828 s/_/ /g;
829 s/=([0-9A-F]{2})/chr(hex($1))/eg;
830 }
8291db6f 831 return wantarray ? ($_, $encoding) : $_;
374c5905
JR
832}
833
d54eaaa2
JK
834sub quote_rfc2047 {
835 local $_ = shift;
d1fff6fc 836 my $encoding = shift || 'UTF-8';
d54eaaa2
JK
837 s/([^-a-zA-Z0-9!*+\/])/sprintf("=%02X", ord($1))/eg;
838 s/(.*)/=\?$encoding\?q\?$1\?=/;
839 return $_;
840}
841
a3a8262b
BC
842sub is_rfc2047_quoted {
843 my $s = shift;
844 my $token = '[^][()<>@,;:"\/?.= \000-\037\177-\377]+';
845 my $encoded_text = '[!->@-~]+';
846 length($s) <= 75 &&
847 $s =~ m/^(?:"[[:ascii:]]*"|=\?$token\?$token\?$encoded_text\?=)$/o;
848}
849
5b56aaa2 850# use the simplest quoting being able to handle the recipient
68ce9330 851sub sanitize_address {
732263d4 852 my ($recipient) = @_;
5b56aaa2
UKK
853 my ($recipient_name, $recipient_addr) = ($recipient =~ /^(.*?)\s*(<.*)/);
854
855 if (not $recipient_name) {
856 return "$recipient";
857 }
858
859 # if recipient_name is already quoted, do nothing
a3a8262b 860 if (is_rfc2047_quoted($recipient_name)) {
5b56aaa2
UKK
861 return $recipient;
862 }
863
864 # rfc2047 is needed if a non-ascii char is included
865 if ($recipient_name =~ /[^[:ascii:]]/) {
a61c0ffa 866 $recipient_name =~ s/^"(.*)"$/$1/;
d54eaaa2 867 $recipient_name = quote_rfc2047($recipient_name);
732263d4 868 }
5b56aaa2
UKK
869
870 # double quotes are needed if specials or CTLs are included
871 elsif ($recipient_name =~ /[][()<>@,;:\\".\000-\037\177]/) {
18023c20 872 $recipient_name =~ s/(["\\\r])/\\$1/g;
5b56aaa2
UKK
873 $recipient_name = "\"$recipient_name\"";
874 }
875
876 return "$recipient_name $recipient_addr";
877
732263d4
RJ
878}
879
134550fe
JA
880# Returns the local Fully Qualified Domain Name (FQDN) if available.
881#
882# Tightly configured MTAa require that a caller sends a real DNS
883# domain name that corresponds the IP address in the HELO/EHLO
884# handshake. This is used to verify the connection and prevent
885# spammers from trying to hide their identity. If the DNS and IP don't
886# match, the receiveing MTA may deny the connection.
887#
888# Here is a deny example of Net::SMTP with the default "localhost.localdomain"
889#
890# Net::SMTP=GLOB(0x267ec28)>>> EHLO localhost.localdomain
891# Net::SMTP=GLOB(0x267ec28)<<< 550 EHLO argument does not match calling host
892#
893# This maildomain*() code is based on ideas in Perl library Test::Reporter
894# /usr/share/perl5/Test/Reporter/Mail/Util.pm ==> sub _maildomain ()
895
59a86303
BG
896sub valid_fqdn {
897 my $domain = shift;
61ef5e9b 898 return defined $domain && !($^O eq 'darwin' && $domain =~ /\.local$/) && $domain =~ /\./;
59a86303
BG
899}
900
68ce9330 901sub maildomain_net {
134550fe
JA
902 my $maildomain;
903
904 if (eval { require Net::Domain; 1 }) {
905 my $domain = Net::Domain::domainname();
59a86303 906 $maildomain = $domain if valid_fqdn($domain);
134550fe
JA
907 }
908
909 return $maildomain;
910}
911
68ce9330 912sub maildomain_mta {
134550fe
JA
913 my $maildomain;
914
915 if (eval { require Net::SMTP; 1 }) {
916 for my $host (qw(mailhost localhost)) {
917 my $smtp = Net::SMTP->new($host);
918 if (defined $smtp) {
919 my $domain = $smtp->domain;
920 $smtp->quit;
921
59a86303 922 $maildomain = $domain if valid_fqdn($domain);
134550fe
JA
923
924 last if $maildomain;
925 }
926 }
927 }
928
929 return $maildomain;
930}
931
68ce9330 932sub maildomain {
69cf7bfd 933 return maildomain_net() || maildomain_mta() || 'localhost.localdomain';
134550fe
JA
934}
935
15da1084 936# Returns 1 if the message was sent, and 0 otherwise.
a1b5b371 937# In actuality, the whole program dies when there
15da1084
MW
938# is an error sending a message.
939
68ce9330 940sub send_message {
4bc87a28 941 my @recipients = unique_email_list(@to);
7ac17529
ABH
942 @cc = (grep { my $cc = extract_valid_address($_);
943 not grep { $cc eq $_ } @recipients
944 }
945 map { sanitize_address($_) }
946 @cc);
4bc87a28 947 my $to = join (",\n\t", @recipients);
58063245 948 @recipients = unique_email_list(@recipients,@cc,@bcclist);
c38f0247 949 @recipients = (map { extract_valid_address($_) } @recipients);
6bdca890 950 my $date = format_2822_time($time++);
e923effb
ML
951 my $gitversion = '@@GIT_VERSION@@';
952 if ($gitversion =~ m/..GIT_VERSION../) {
3cb8caf7 953 $gitversion = Git::version();
e923effb 954 }
4bc87a28 955
02461e0e 956 my $cc = join(",\n\t", unique_email_list(@cc));
f06a6a49
JH
957 my $ccline = "";
958 if ($cc ne '') {
959 $ccline = "\nCc: $cc";
960 }
94638f89 961 my $sanitized_sender = sanitize_address($sender);
4f3d3703 962 make_message_id() unless defined($message_id);
aeb59328 963
94638f89 964 my $header = "From: $sanitized_sender
f06a6a49 965To: $to${ccline}
4bc87a28 966Subject: $subject
4bc87a28
EW
967Date: $date
968Message-Id: $message_id
e923effb 969X-Mailer: git-send-email $gitversion
4bc87a28 970";
3e0c4ffd 971 if ($reply_to) {
7ccf7927
RA
972
973 $header .= "In-Reply-To: $reply_to\n";
974 $header .= "References: $references\n";
975 }
ce91c2f6
JH
976 if (@xh) {
977 $header .= join("\n", @xh) . "\n";
978 }
4bc87a28 979
c38f0247 980 my @sendmail_parameters = ('-i', @recipients);
94638f89 981 my $raw_from = $sanitized_sender;
c89e3241
FC
982 if (defined $envelope_sender && $envelope_sender ne "auto") {
983 $raw_from = $envelope_sender;
984 }
f073a592
RJ
985 $raw_from = extract_valid_address($raw_from);
986 unshift (@sendmail_parameters,
987 '-f', $raw_from) if(defined $envelope_sender);
8e3d436b 988
c1f2aa45
JS
989 if ($needs_confirm && !$dry_run) {
990 print "\n$header\n";
991 if ($needs_confirm eq "inform") {
992 $confirm_unconfigured = 0; # squelch this message for the rest of this run
6e182518 993 $ask_default = "y"; # assume yes on EOF since user hasn't explicitly asked for confirmation
c1f2aa45
JS
994 print " The Cc list above has been expanded by additional\n";
995 print " addresses found in the patch commit message. By default\n";
996 print " send-email prompts before sending whenever this occurs.\n";
997 print " This behavior is controlled by the sendemail.confirm\n";
998 print " configuration setting.\n";
999 print "\n";
1000 print " For additional information, run 'git send-email --help'.\n";
1001 print " To retain the current behavior, but squelch this message,\n";
1002 print " run 'git config --global sendemail.confirm auto'.\n\n";
1003 }
6e182518
JS
1004 $_ = ask("Send this email? ([y]es|[n]o|[q]uit|[a]ll): ",
1005 valid_re => qr/^(?:yes|y|no|n|quit|q|all|a)/i,
1006 default => $ask_default);
1007 die "Send this email reply required" unless defined $_;
c1f2aa45 1008 if (/^n/i) {
15da1084 1009 return 0;
c1f2aa45
JS
1010 } elsif (/^q/i) {
1011 cleanup_compose_files();
1012 exit(0);
1013 } elsif (/^a/i) {
1014 $confirm = 'never';
1015 }
1016 }
1017
6130259c
MW
1018 if ($dry_run) {
1019 # We don't want to send the email.
1020 } elsif ($smtp_server =~ m#^/#) {
aca7ad76
EW
1021 my $pid = open my $sm, '|-';
1022 defined $pid or die $!;
1023 if (!$pid) {
8e3d436b 1024 exec($smtp_server, @sendmail_parameters) or die $!;
aca7ad76
EW
1025 }
1026 print $sm "$header\n$message";
1027 close $sm or die $?;
1028 } else {
44b2476a
JH
1029
1030 if (!defined $smtp_server) {
1031 die "The required SMTP server is not properly defined."
1032 }
1033
f6bebd12 1034 if ($smtp_encryption eq 'ssl') {
44b2476a 1035 $smtp_server_port ||= 465; # ssmtp
34cc60ce 1036 require Net::SMTP::SSL;
69cf7bfd 1037 $smtp_domain ||= maildomain();
134550fe 1038 $smtp ||= Net::SMTP::SSL->new($smtp_server,
69cf7bfd 1039 Hello => $smtp_domain,
134550fe 1040 Port => $smtp_server_port);
34cc60ce
DS
1041 }
1042 else {
1043 require Net::SMTP;
69cf7bfd 1044 $smtp_domain ||= maildomain();
44b2476a
JH
1045 $smtp ||= Net::SMTP->new((defined $smtp_server_port)
1046 ? "$smtp_server:$smtp_server_port"
f60812ef 1047 : $smtp_server,
69cf7bfd 1048 Hello => $smtp_domain,
f60812ef 1049 Debug => $debug_net_smtp);
fb3650ed 1050 if ($smtp_encryption eq 'tls' && $smtp) {
f6bebd12
TR
1051 require Net::SMTP::SSL;
1052 $smtp->command('STARTTLS');
1053 $smtp->response();
1054 if ($smtp->code == 220) {
1055 $smtp = Net::SMTP::SSL->start_SSL($smtp)
1056 or die "STARTTLS failed! ".$smtp->message;
6cbf8b00 1057 $smtp_encryption = '';
9d1ccf5e
RS
1058 # Send EHLO again to receive fresh
1059 # supported commands
1060 $smtp->hello();
f6bebd12
TR
1061 } else {
1062 die "Server does not support STARTTLS! ".$smtp->message;
1063 }
1064 }
44b2476a
JH
1065 }
1066
1067 if (!$smtp) {
f60812ef 1068 die "Unable to initialize SMTP properly. Check config and use --smtp-debug. ",
e5afb3a6
JA
1069 "VALUES: server=$smtp_server ",
1070 "encryption=$smtp_encryption ",
69cf7bfd 1071 "hello=$smtp_domain",
e5afb3a6 1072 defined $smtp_server_port ? "port=$smtp_server_port" : "";
44b2476a
JH
1073 }
1074
2363d746
MW
1075 if (defined $smtp_authuser) {
1076
1077 if (!defined $smtp_authpass) {
1078
1079 system "stty -echo";
1080
1081 do {
1082 print "Password: ";
1083 $_ = <STDIN>;
1084 print "\n";
1085 } while (!defined $_);
1086
1087 chomp($smtp_authpass = $_);
1088
1089 system "stty echo";
1090 }
1091
5f5b6118 1092 $auth ||= $smtp->auth( $smtp_authuser, $smtp_authpass ) or die $smtp->message;
34cc60ce 1093 }
2363d746 1094
2b69bfc2 1095 $smtp->mail( $raw_from ) or die $smtp->message;
aca7ad76
EW
1096 $smtp->to( @recipients ) or die $smtp->message;
1097 $smtp->data or die $smtp->message;
1098 $smtp->datasend("$header\n$message") or die $smtp->message;
1099 $smtp->dataend() or die $smtp->message;
15da1084 1100 $smtp->code =~ /250|200/ or die "Failed to send $subject\n".$smtp->message;
aca7ad76 1101 }
2718435b 1102 if ($quiet) {
71c7da94 1103 printf (($dry_run ? "Dry-" : "")."Sent %s\n", $subject);
2718435b 1104 } else {
b7f30e0a 1105 print (($dry_run ? "Dry-" : "")."OK. Log says:\n");
2b69bfc2 1106 if ($smtp_server !~ m#^/#) {
aca7ad76 1107 print "Server: $smtp_server\n";
2b69bfc2 1108 print "MAIL FROM:<$raw_from>\n";
02461e0e
JP
1109 foreach my $entry (@recipients) {
1110 print "RCPT TO:<$entry>\n";
1111 }
aca7ad76 1112 } else {
8e3d436b 1113 print "Sendmail: $smtp_server ".join(' ',@sendmail_parameters)."\n";
aca7ad76 1114 }
b7f30e0a 1115 print $header, "\n";
aca7ad76
EW
1116 if ($smtp) {
1117 print "Result: ", $smtp->code, ' ',
1118 ($smtp->message =~ /\n([^\n]+\n)$/s), "\n";
1119 } else {
1120 print "Result: OK\n";
1121 }
30d08b34 1122 }
15da1084
MW
1123
1124 return 1;
83b24437
RA
1125}
1126
83b24437 1127$reply_to = $initial_reply_to;
2186d566 1128$references = $initial_reply_to || '';
83b24437 1129$subject = $initial_subject;
c1f2aa45 1130$message_num = 0;
83b24437
RA
1131
1132foreach my $t (@files) {
83b24437
RA
1133 open(F,"<",$t) or die "can't open file $t";
1134
94638f89 1135 my $author = undef;
8291db6f
JK
1136 my $author_encoding;
1137 my $has_content_type;
1138 my $body_encoding;
c1f2aa45 1139 @cc = ();
ce91c2f6 1140 @xh = ();
e6b0964a 1141 my $input_format = undef;
5012699d 1142 my @header = ();
83b24437 1143 $message = "";
c1f2aa45 1144 $message_num++;
5012699d 1145 # First unfold multiline header fields
83b24437 1146 while(<F>) {
5012699d
JS
1147 last if /^\s*$/;
1148 if (/^\s+\S/ and @header) {
1149 chomp($header[$#header]);
1150 s/^\s+/ /;
1151 $header[$#header] .= $_;
1152 } else {
1153 push(@header, $_);
1154 }
1155 }
1156 # Now parse the header
1157 foreach(@header) {
1158 if (/^From /) {
1159 $input_format = 'mbox';
1160 next;
1161 }
1162 chomp;
1163 if (!defined $input_format && /^[-A-Za-z]+:\s/) {
1164 $input_format = 'mbox';
1165 }
1166
1167 if (defined $input_format && $input_format eq 'mbox') {
1168 if (/^Subject:\s+(.*)$/) {
1169 $subject = $1;
e6b0964a 1170 }
5012699d
JS
1171 elsif (/^From:\s+(.*)$/) {
1172 ($author, $author_encoding) = unquote_rfc2047($1);
1173 next if $suppress_cc{'author'};
1174 next if $suppress_cc{'self'} and $author eq $sender;
1175 printf("(mbox) Adding cc: %s from line '%s'\n",
1176 $1, $_) unless $quiet;
1177 push @cc, $1;
e6b0964a 1178 }
21802cd3
SB
1179 elsif (/^To:\s+(.*)$/) {
1180 foreach my $addr (parse_address_line($1)) {
1181 printf("(mbox) Adding to: %s from line '%s'\n",
1182 $addr, $_) unless $quiet;
1183 push @to, sanitize_address($addr);
1184 }
1185 }
5012699d
JS
1186 elsif (/^Cc:\s+(.*)$/) {
1187 foreach my $addr (parse_address_line($1)) {
1188 if (unquote_rfc2047($addr) eq $sender) {
65648283 1189 next if ($suppress_cc{'self'});
65648283
DB
1190 } else {
1191 next if ($suppress_cc{'cc'});
8a8e6235 1192 }
83b24437 1193 printf("(mbox) Adding cc: %s from line '%s'\n",
5012699d
JS
1194 $addr, $_) unless $quiet;
1195 push @cc, $addr;
83b24437 1196 }
5012699d
JS
1197 }
1198 elsif (/^Content-type:/i) {
1199 $has_content_type = 1;
1200 if (/charset="?([^ "]+)/) {
1201 $body_encoding = $1;
83b24437 1202 }
5012699d 1203 push @xh, $_;
83b24437 1204 }
5012699d
JS
1205 elsif (/^Message-Id: (.*)/i) {
1206 $message_id = $1;
83b24437 1207 }
5012699d
JS
1208 elsif (!/^Date:\s/ && /^[-A-Za-z]+:\s+\S/) {
1209 push @xh, $_;
1210 }
1211
83b24437 1212 } else {
5012699d
JS
1213 # In the traditional
1214 # "send lots of email" format,
1215 # line 1 = cc
1216 # line 2 = subject
1217 # So let's support that, too.
1218 $input_format = 'lots';
1219 if (@cc == 0 && !$suppress_cc{'cc'}) {
1220 printf("(non-mbox) Adding cc: %s from line '%s'\n",
1221 $_, $_) unless $quiet;
1222 push @cc, $_;
1223 } elsif (!defined $subject) {
1224 $subject = $_;
83b24437
RA
1225 }
1226 }
1227 }
5012699d
JS
1228 # Now parse the message body
1229 while(<F>) {
1230 $message .= $_;
1231 if (/^(Signed-off-by|Cc): (.*)$/i) {
5012699d 1232 chomp;
3531e270 1233 my ($what, $c) = ($1, $2);
5012699d 1234 chomp $c;
3531e270
JS
1235 if ($c eq $sender) {
1236 next if ($suppress_cc{'self'});
1237 } else {
1238 next if $suppress_cc{'sob'} and $what =~ /Signed-off-by/i;
1239 next if $suppress_cc{'bodycc'} and $what =~ /Cc/i;
1240 }
5012699d 1241 push @cc, $c;
3531e270 1242 printf("(body) Adding cc: %s from line '%s'\n",
5012699d
JS
1243 $c, $_) unless $quiet;
1244 }
1245 }
83b24437 1246 close F;
324a8bd0 1247
65648283 1248 if (defined $cc_cmd && !$suppress_cc{'cccmd'}) {
cb8a9bd5 1249 open(F, "$cc_cmd \Q$t\E |")
324a8bd0
JP
1250 or die "(cc-cmd) Could not execute '$cc_cmd'";
1251 while(<F>) {
1252 my $c = $_;
1253 $c =~ s/^\s*//g;
1254 $c =~ s/\n$//g;
620bb245 1255 next if ($c eq $sender and $suppress_from);
324a8bd0
JP
1256 push @cc, $c;
1257 printf("(cc-cmd) Adding cc: %s from: '%s'\n",
1258 $c, $cc_cmd) unless $quiet;
1259 }
1260 close F
1261 or die "(cc-cmd) failed to close pipe to '$cc_cmd'";
1262 }
1263
3cae7e5b
TR
1264 if ($broken_encoding{$t} && !$has_content_type) {
1265 $has_content_type = 1;
1266 push @xh, "MIME-Version: 1.0",
1267 "Content-Type: text/plain; charset=$auto_8bit_encoding",
1268 "Content-Transfer-Encoding: 8bit";
1269 $body_encoding = $auto_8bit_encoding;
1270 }
1271
1272 if ($broken_encoding{$t} && !is_rfc2047_quoted($subject)) {
1273 $subject = quote_rfc2047($subject, $auto_8bit_encoding);
1274 }
1275
5012699d 1276 if (defined $author and $author ne $sender) {
94638f89 1277 $message = "From: $author\n\n$message";
8291db6f
JK
1278 if (defined $author_encoding) {
1279 if ($has_content_type) {
1280 if ($body_encoding eq $author_encoding) {
1281 # ok, we already have the right encoding
1282 }
1283 else {
1284 # uh oh, we should re-encode
1285 }
1286 }
1287 else {
3cae7e5b 1288 $has_content_type = 1;
8291db6f
JK
1289 push @xh,
1290 'MIME-Version: 1.0',
8641ee3d
JK
1291 "Content-Type: text/plain; charset=$author_encoding",
1292 'Content-Transfer-Encoding: 8bit';
8291db6f
JK
1293 }
1294 }
8a8e6235 1295 }
83b24437 1296
c1f2aa45
JS
1297 $needs_confirm = (
1298 $confirm eq "always" or
1299 ($confirm =~ /^(?:auto|cc)$/ && @cc) or
1300 ($confirm =~ /^(?:auto|compose)$/ && $compose && $message_num == 1));
1301 $needs_confirm = "inform" if ($needs_confirm && $confirm_unconfigured && @cc);
1302
1303 @cc = (@initial_cc, @cc);
1304
15da1084 1305 my $message_was_sent = send_message();
83b24437
RA
1306
1307 # set up for the next message
95a877a3 1308 if ($thread && $message_was_sent &&
528fb087 1309 (chain_reply_to() || !defined $reply_to || length($reply_to) == 0)) {
78488b2c 1310 $reply_to = $message_id;
7ccf7927 1311 if (length $references > 0) {
a925b89c 1312 $references .= "\n $message_id";
7ccf7927
RA
1313 } else {
1314 $references = "$message_id";
1315 }
78488b2c 1316 }
4f3d3703 1317 $message_id = undef;
83b24437 1318}
e205735d 1319
c1f2aa45 1320cleanup_compose_files();
1f038a0c
RA
1321
1322sub cleanup_compose_files() {
c1f2aa45 1323 unlink($compose_filename, $compose_filename . ".final") if $compose;
1f038a0c
RA
1324}
1325
4bc87a28 1326$smtp->quit if $smtp;
e205735d
RA
1327
1328sub unique_email_list(@) {
1329 my %seen;
1330 my @emails;
1331
1332 foreach my $entry (@_) {
db3106b2
EW
1333 if (my $clean = extract_valid_address($entry)) {
1334 $seen{$clean} ||= 0;
1335 next if $seen{$clean}++;
1336 push @emails, $entry;
1337 } else {
1338 print STDERR "W: unable to extract a valid address",
1339 " from: $entry\n";
1340 }
e205735d
RA
1341 }
1342 return @emails;
1343}
747bbff9
JK
1344
1345sub validate_patch {
1346 my $fn = shift;
1347 open(my $fh, '<', $fn)
1348 or die "unable to open $fn: $!\n";
1349 while (my $line = <$fh>) {
1350 if (length($line) > 998) {
1351 return "$.: patch contains a line longer than 998 characters";
1352 }
1353 }
1354 return undef;
1355}
0706bd19
JK
1356
1357sub file_has_nonascii {
1358 my $fn = shift;
1359 open(my $fh, '<', $fn)
1360 or die "unable to open $fn: $!\n";
1361 while (my $line = <$fh>) {
1362 return 1 if $line =~ /[^[:ascii:]]/;
1363 }
1364 return 0;
1365}
3cae7e5b
TR
1366
1367sub body_or_subject_has_nonascii {
1368 my $fn = shift;
1369 open(my $fh, '<', $fn)
1370 or die "unable to open $fn: $!\n";
1371 while (my $line = <$fh>) {
1372 last if $line =~ /^$/;
1373 return 1 if $line =~ /^Subject.*[^[:ascii:]]/;
1374 }
1375 while (my $line = <$fh>) {
1376 return 1 if $line =~ /[^[:ascii:]]/;
1377 }
1378 return 0;
1379}