Merge branch 'sa/send-email-smtp-batch-data-limit'
[git/git.git] / git-send-email.perl
CommitLineData
3328aced 1#!/usr/bin/perl
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#
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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 18
d48b2841 19use 5.008;
83b24437
RA
20use strict;
21use warnings;
22use Term::ReadLine;
83b24437 23use Getopt::Long;
0e73b3ee 24use Text::ParseWords;
83b24437 25use Data::Dumper;
412876dc 26use Term::ANSIColor;
eed6ca7c 27use File::Temp qw/ tempdir tempfile /;
89bf1bac 28use File::Spec::Functions qw(catfile);
5df9fcf6 29use Error qw(:try);
3cb8caf7 30use Git;
83b24437 31
5df9fcf6
PH
32Getopt::Long::Configure qw/ pass_through /;
33
280242d1
JH
34package FakeTerm;
35sub new {
36 my ($class, $reason) = @_;
37 return bless \$reason, shift;
38}
39sub readline {
40 my $self = shift;
41 die "Cannot use readline on FakeTerm: $$self";
42}
43package main;
44
1b0baf14
MC
45
46sub usage {
47 print <<EOT;
5df9fcf6 48git send-email [options] <file | directory | rev-list options >
4ed62b03
MW
49
50 Composing:
51 --from <str> * Email From:
f434c083
SB
52 --[no-]to <str> * Email To:
53 --[no-]cc <str> * Email Cc:
54 --[no-]bcc <str> * Email Bcc:
4ed62b03
MW
55 --subject <str> * Email "Subject:"
56 --in-reply-to <str> * Email "In-Reply-To:"
ac1596a6 57 --[no-]xmailer * Add "X-Mailer:" header (default).
402596aa 58 --[no-]annotate * Review each patch that will be sent in an editor.
4ed62b03 59 --compose * Open an editor for introduction.
62e00690 60 --compose-encoding <str> * Encoding to assume for introduction.
3cae7e5b 61 --8bit-encoding <str> * Encoding to assume 8bit mails if undeclared
8d814084 62 --transfer-encoding <str> * Transfer encoding to use (quoted-printable, 8bit, base64)
4ed62b03
MW
63
64 Sending:
65 --envelope-sender <str> * Email envelope sender.
66 --smtp-server <str:int> * Outgoing SMTP server to use. The port
67 is optional. Default 'localhost'.
052fbea2 68 --smtp-server-option <str> * Outgoing SMTP server option to use.
4ed62b03
MW
69 --smtp-server-port <int> * Outgoing SMTP server port.
70 --smtp-user <str> * Username for SMTP-AUTH.
71 --smtp-pass <str> * Password for SMTP-AUTH; not necessary.
72 --smtp-encryption <str> * tls or ssl; anything else disables.
73 --smtp-ssl * Deprecated. Use '--smtp-encryption ssl'.
35035bbf
RR
74 --smtp-ssl-cert-path <str> * Path to ca-certificates (either directory or file).
75 Pass an empty string to disable certificate
76 verification.
134550fe 77 --smtp-domain <str> * The domain name sent to HELO/EHLO handshake
0f2e68b5
JV
78 --smtp-auth <str> * Space-separated list of allowed AUTH mechanisms.
79 This setting forces to use one of the listed mechanisms.
f60812ef 80 --smtp-debug <0|1> * Disable, enable Net::SMTP debug.
4ed62b03
MW
81
82 Automating:
83 --identity <str> * Use the sendemail.<id> options.
6e74e075 84 --to-cmd <str> * Email To: via `<str> \$patch_path`
4ed62b03 85 --cc-cmd <str> * Email Cc: via `<str> \$patch_path`
3531e270 86 --suppress-cc <str> * author, self, sob, cc, cccmd, body, bodycc, all.
f515c904
MT
87 --[no-]cc-cover * Email Cc: addresses in the cover letter.
88 --[no-]to-cover * Email To: addresses in the cover letter.
3531e270 89 --[no-]signed-off-by-cc * Send to Signed-off-by: addresses. Default on.
4ed62b03 90 --[no-]suppress-from * Send to self. Default off.
41fe87fa 91 --[no-]chain-reply-to * Chain In-Reply-To: fields. Default off.
4ed62b03
MW
92 --[no-]thread * Use In-Reply-To: field. Default on.
93
94 Administering:
c1f2aa45
JS
95 --confirm <str> * Confirm recipients before sending;
96 auto, cc, compose, always, or never.
4ed62b03
MW
97 --quiet * Output one line of info per email.
98 --dry-run * Don't actually send the emails.
99 --[no-]validate * Perform patch sanity checks. Default on.
5df9fcf6
PH
100 --[no-]format-patch * understand any non optional arguments as
101 `git format-patch` ones.
a03bc5b6 102 --force * Send even if safety checks would prevent it.
c764a0c2 103
1b0baf14
MC
104EOT
105 exit(1);
106}
107
4bc87a28 108# most mail servers generate the Date: header, but not all...
6bdca890
JN
109sub format_2822_time {
110 my ($time) = @_;
111 my @localtm = localtime($time);
112 my @gmttm = gmtime($time);
113 my $localmin = $localtm[1] + $localtm[2] * 60;
114 my $gmtmin = $gmttm[1] + $gmttm[2] * 60;
115 if ($localtm[0] != $gmttm[0]) {
116 die "local zone differs from GMT by a non-minute interval\n";
117 }
118 if ((($gmttm[6] + 1) % 7) == $localtm[6]) {
119 $localmin += 1440;
120 } elsif ((($gmttm[6] - 1) % 7) == $localtm[6]) {
121 $localmin -= 1440;
122 } elsif ($gmttm[6] != $localtm[6]) {
123 die "local time offset greater than or equal to 24 hours\n";
124 }
125 my $offset = $localmin - $gmtmin;
126 my $offhour = $offset / 60;
127 my $offmin = abs($offset % 60);
128 if (abs($offhour) >= 24) {
129 die ("local time offset greater than or equal to 24 hours\n");
130 }
131
132 return sprintf("%s, %2d %s %d %02d:%02d:%02d %s%02d%02d",
133 qw(Sun Mon Tue Wed Thu Fri Sat)[$localtm[6]],
134 $localtm[3],
135 qw(Jan Feb Mar Apr May Jun
136 Jul Aug Sep Oct Nov Dec)[$localtm[4]],
137 $localtm[5]+1900,
138 $localtm[2],
139 $localtm[1],
140 $localtm[0],
141 ($offset >= 0) ? '+' : '-',
142 abs($offhour),
143 $offmin,
144 );
145}
4bc87a28 146
567ffeb7 147my $have_email_valid = eval { require Email::Valid; 1 };
5012699d 148my $have_mail_address = eval { require Mail::Address; 1 };
4bc87a28 149my $smtp;
5f5b6118 150my $auth;
4bc87a28 151
11f70a7e
РД
152# Regexes for RFC 2047 productions.
153my $re_token = qr/[^][()<>@,;:\\"\/?.= \000-\037\177-\377]+/;
154my $re_encoded_text = qr/[^? \000-\037\177-\377]+/;
155my $re_encoded_word = qr/=\?($re_token)\?($re_token)\?($re_encoded_text)\?=/;
156
83b24437 157# Variables we fill in automatically, or via prompting:
3c3bb51c 158my (@to,$no_to,@initial_to,@cc,$no_cc,@initial_cc,@bcclist,$no_bcc,@xh,
8fd5bb7f 159 $initial_reply_to,$initial_subject,@files,
ac1596a6 160 $author,$sender,$smtp_authpass,$annotate,$use_xmailer,$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
ad79c024
FL
167my $repo = eval { Git->repository() };
168my @repo = $repo ? ($repo) : ();
280242d1 169my $term = eval {
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170 $ENV{"GIT_SEND_EMAIL_NOTTY"}
171 ? new Term::ReadLine 'git-send-email', \*STDIN, \*STDOUT
172 : new Term::ReadLine 'git-send-email';
280242d1
JH
173};
174if ($@) {
175 $term = new FakeTerm "$@: going non-interactive";
176}
83b24437 177
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AR
178# Behavior modification variables
179my ($quiet, $dry_run) = (0, 0);
5df9fcf6 180my $format_patch;
afe756c9 181my $compose_filename;
a03bc5b6 182my $force = 0;
5483c71d 183
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184# Handle interactive edition of files.
185my $multiedit;
0ce142c9 186my $editor;
b4479f07 187
8fd5bb7f 188sub do_edit {
0ce142c9
MG
189 if (!defined($editor)) {
190 $editor = Git::command_oneline('var', 'GIT_EDITOR');
191 }
8fd5bb7f 192 if (defined($multiedit) && !$multiedit) {
beece9da
PH
193 map {
194 system('sh', '-c', $editor.' "$@"', $editor, $_);
195 if (($? & 127) || ($? >> 8)) {
196 die("the editor exited uncleanly, aborting everything");
197 }
198 } @_;
8fd5bb7f
PH
199 } else {
200 system('sh', '-c', $editor.' "$@"', $editor, @_);
beece9da
PH
201 if (($? & 127) || ($? >> 8)) {
202 die("the editor exited uncleanly, aborting everything");
203 }
8fd5bb7f
PH
204 }
205}
5483c71d
AR
206
207# Variables with corresponding config settings
6e74e075 208my ($thread, $chain_reply_to, $suppress_from, $signed_off_by_cc);
f515c904 209my ($cover_cc, $cover_to);
6e74e075 210my ($to_cmd, $cc_cmd);
052fbea2 211my ($smtp_server, $smtp_server_port, @smtp_server_options);
35035bbf 212my ($smtp_authuser, $smtp_encryption, $smtp_ssl_cert_path);
0f2e68b5 213my ($identity, $aliasfiletype, @alias_files, $smtp_domain, $smtp_auth);
c1f2aa45 214my ($validate, $confirm);
65648283 215my (@suppress_cc);
3cae7e5b 216my ($auto_8bit_encoding);
62e00690 217my ($compose_encoding);
8d814084 218my ($target_xfer_encoding);
5483c71d 219
f60812ef
JA
220my ($debug_net_smtp) = 0; # Net::SMTP, see send_message()
221
34cc60ce 222my %config_bool_settings = (
5483c71d 223 "thread" => [\$thread, 1],
b99d22f2 224 "chainreplyto" => [\$chain_reply_to, 0],
65648283 225 "suppressfrom" => [\$suppress_from, undef],
ddc3d4fe 226 "signedoffbycc" => [\$signed_off_by_cc, undef],
f515c904
MT
227 "cccover" => [\$cover_cc, undef],
228 "tocover" => [\$cover_to, undef],
ddc3d4fe 229 "signedoffcc" => [\$signed_off_by_cc, undef], # Deprecated
dbf5e1e9 230 "validate" => [\$validate, 1],
402596aa 231 "multiedit" => [\$multiedit, undef],
ac1596a6
LH
232 "annotate" => [\$annotate, undef],
233 "xmailer" => [\$use_xmailer, 1]
e46f7a0e
AR
234);
235
34cc60ce
DS
236my %config_settings = (
237 "smtpserver" => \$smtp_server,
44b2476a 238 "smtpserverport" => \$smtp_server_port,
052fbea2 239 "smtpserveroption" => \@smtp_server_options,
34cc60ce
DS
240 "smtpuser" => \$smtp_authuser,
241 "smtppass" => \$smtp_authpass,
35035bbf 242 "smtpsslcertpath" => \$smtp_ssl_cert_path,
e1e9115d 243 "smtpdomain" => \$smtp_domain,
0f2e68b5 244 "smtpauth" => \$smtp_auth,
3c3bb51c 245 "to" => \@initial_to,
6e74e075 246 "tocmd" => \$to_cmd,
5f8b9fcd 247 "cc" => \@initial_cc,
34cc60ce
DS
248 "cccmd" => \$cc_cmd,
249 "aliasfiletype" => \$aliasfiletype,
250 "bcc" => \@bcclist,
65648283 251 "suppresscc" => \@suppress_cc,
9f7820ae 252 "envelopesender" => \$envelope_sender,
c1f2aa45 253 "confirm" => \$confirm,
09caa24f 254 "from" => \$sender,
3cae7e5b 255 "assume8bitencoding" => \$auto_8bit_encoding,
62e00690 256 "composeencoding" => \$compose_encoding,
8d814084 257 "transferencoding" => \$target_xfer_encoding,
34cc60ce 258);
4a62d3f5 259
cec5dae8
CS
260my %config_path_settings = (
261 "aliasesfile" => \@alias_files,
262);
263
87429976
MW
264# Handle Uncouth Termination
265sub signal_handler {
266
267 # Make text normal
268 print color("reset"), "\n";
269
270 # SMTP password masked
271 system "stty echo";
272
273 # tmp files from --compose
afe756c9
JS
274 if (defined $compose_filename) {
275 if (-e $compose_filename) {
276 print "'$compose_filename' contains an intermediate version of the email you were composing.\n";
277 }
278 if (-e ($compose_filename . ".final")) {
279 print "'$compose_filename.final' contains the composed email.\n"
280 }
87429976
MW
281 }
282
283 exit;
284};
285
286$SIG{TERM} = \&signal_handler;
287$SIG{INT} = \&signal_handler;
288
83b24437
RA
289# Begin by accumulating all the variables (defined above), that we will end up
290# needing, first, from the command line:
291
c5978246
CB
292my $help;
293my $rc = GetOptions("h" => \$help,
294 "sender|from=s" => \$sender,
83b24437
RA
295 "in-reply-to=s" => \$initial_reply_to,
296 "subject=s" => \$initial_subject,
3c3bb51c 297 "to=s" => \@initial_to,
6e74e075 298 "to-cmd=s" => \$to_cmd,
f434c083 299 "no-to" => \$no_to,
da140f8b 300 "cc=s" => \@initial_cc,
f434c083 301 "no-cc" => \$no_cc,
58063245 302 "bcc=s" => \@bcclist,
f434c083 303 "no-bcc" => \$no_bcc,
78488b2c 304 "chain-reply-to!" => \$chain_reply_to,
f4714943 305 "no-chain-reply-to" => sub {$chain_reply_to = 0},
3342d850 306 "smtp-server=s" => \$smtp_server,
052fbea2 307 "smtp-server-option=s" => \@smtp_server_options,
44b2476a 308 "smtp-server-port=s" => \$smtp_server_port,
34cc60ce 309 "smtp-user=s" => \$smtp_authuser,
2363d746 310 "smtp-pass:s" => \$smtp_authpass,
f6bebd12
TR
311 "smtp-ssl" => sub { $smtp_encryption = 'ssl' },
312 "smtp-encryption=s" => \$smtp_encryption,
979e652a 313 "smtp-ssl-cert-path=s" => \$smtp_ssl_cert_path,
f60812ef 314 "smtp-debug:i" => \$debug_net_smtp,
69cf7bfd 315 "smtp-domain:s" => \$smtp_domain,
0f2e68b5 316 "smtp-auth=s" => \$smtp_auth,
34cc60ce 317 "identity=s" => \$identity,
402596aa 318 "annotate!" => \$annotate,
f4714943 319 "no-annotate" => sub {$annotate = 0},
1f038a0c 320 "compose" => \$compose,
30d08b34 321 "quiet" => \$quiet,
324a8bd0 322 "cc-cmd=s" => \$cc_cmd,
5483c71d 323 "suppress-from!" => \$suppress_from,
f4714943 324 "no-suppress-from" => sub {$suppress_from = 0},
65648283 325 "suppress-cc=s" => \@suppress_cc,
ddc3d4fe 326 "signed-off-cc|signed-off-by-cc!" => \$signed_off_by_cc,
f4714943 327 "no-signed-off-cc|no-signed-off-by-cc" => sub {$signed_off_by_cc = 0},
f515c904 328 "cc-cover|cc-cover!" => \$cover_cc,
f4714943 329 "no-cc-cover" => sub {$cover_cc = 0},
f515c904 330 "to-cover|to-cover!" => \$cover_to,
f4714943 331 "no-to-cover" => sub {$cover_to = 0},
c1f2aa45 332 "confirm=s" => \$confirm,
6130259c 333 "dry-run" => \$dry_run,
f073a592 334 "envelope-sender=s" => \$envelope_sender,
5483c71d 335 "thread!" => \$thread,
f4714943 336 "no-thread" => sub {$thread = 0},
dbf5e1e9 337 "validate!" => \$validate,
f4714943 338 "no-validate" => sub {$validate = 0},
8d814084 339 "transfer-encoding=s" => \$target_xfer_encoding,
5df9fcf6 340 "format-patch!" => \$format_patch,
f4714943 341 "no-format-patch" => sub {$format_patch = 0},
3cae7e5b 342 "8bit-encoding=s" => \$auto_8bit_encoding,
62e00690 343 "compose-encoding=s" => \$compose_encoding,
a03bc5b6 344 "force" => \$force,
ac1596a6 345 "xmailer!" => \$use_xmailer,
f4714943 346 "no-xmailer" => sub {$use_xmailer = 0},
83b24437
RA
347 );
348
c5978246 349usage() if $help;
1b0baf14
MC
350unless ($rc) {
351 usage();
352}
353
eed6ca7c
JS
354die "Cannot run git format-patch from outside a repository\n"
355 if $format_patch and not $repo;
356
34cc60ce
DS
357# Now, let's fill any that aren't set in with defaults:
358
359sub read_config {
360 my ($prefix) = @_;
361
362 foreach my $setting (keys %config_bool_settings) {
363 my $target = $config_bool_settings{$setting}->[0];
ad79c024 364 $$target = Git::config_bool(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
365 }
366
cec5dae8 367 foreach my $setting (keys %config_path_settings) {
463b0ea2
CS
368 my $target = $config_path_settings{$setting};
369 if (ref($target) eq "ARRAY") {
370 unless (@$target) {
371 my @values = Git::config_path(@repo, "$prefix.$setting");
372 @$target = @values if (@values && defined $values[0]);
373 }
374 }
375 else {
376 $$target = Git::config_path(@repo, "$prefix.$setting") unless (defined $$target);
377 }
cec5dae8
CS
378 }
379
34cc60ce
DS
380 foreach my $setting (keys %config_settings) {
381 my $target = $config_settings{$setting};
f434c083
SB
382 next if $setting eq "to" and defined $no_to;
383 next if $setting eq "cc" and defined $no_cc;
384 next if $setting eq "bcc" and defined $no_bcc;
34cc60ce
DS
385 if (ref($target) eq "ARRAY") {
386 unless (@$target) {
ad79c024 387 my @values = Git::config(@repo, "$prefix.$setting");
34cc60ce
DS
388 @$target = @values if (@values && defined $values[0]);
389 }
390 }
391 else {
ad79c024 392 $$target = Git::config(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
393 }
394 }
f6bebd12
TR
395
396 if (!defined $smtp_encryption) {
397 my $enc = Git::config(@repo, "$prefix.smtpencryption");
398 if (defined $enc) {
399 $smtp_encryption = $enc;
400 } elsif (Git::config_bool(@repo, "$prefix.smtpssl")) {
401 $smtp_encryption = 'ssl';
402 }
403 }
34cc60ce
DS
404}
405
406# read configuration from [sendemail "$identity"], fall back on [sendemail]
ad79c024 407$identity = Git::config(@repo, "sendemail.identity") unless (defined $identity);
34cc60ce
DS
408read_config("sendemail.$identity") if (defined $identity);
409read_config("sendemail");
410
411# fall back on builtin bool defaults
412foreach my $setting (values %config_bool_settings) {
413 ${$setting->[0]} = $setting->[1] unless (defined (${$setting->[0]}));
414}
415
fa835cd5
TR
416# 'default' encryption is none -- this only prevents a warning
417$smtp_encryption = '' unless (defined $smtp_encryption);
418
65648283
DB
419# Set CC suppressions
420my(%suppress_cc);
421if (@suppress_cc) {
422 foreach my $entry (@suppress_cc) {
423 die "Unknown --suppress-cc field: '$entry'\n"
e9bf741b 424 unless $entry =~ /^(?:all|cccmd|cc|author|self|sob|body|bodycc)$/;
65648283
DB
425 $suppress_cc{$entry} = 1;
426 }
427}
428
429if ($suppress_cc{'all'}) {
cb8a9bd5 430 foreach my $entry (qw (cccmd cc author self sob body bodycc)) {
65648283
DB
431 $suppress_cc{$entry} = 1;
432 }
433 delete $suppress_cc{'all'};
434}
435
436# If explicit old-style ones are specified, they trump --suppress-cc.
437$suppress_cc{'self'} = $suppress_from if defined $suppress_from;
ddc3d4fe 438$suppress_cc{'sob'} = !$signed_off_by_cc if defined $signed_off_by_cc;
65648283 439
3531e270
JS
440if ($suppress_cc{'body'}) {
441 foreach my $entry (qw (sob bodycc)) {
442 $suppress_cc{$entry} = 1;
443 }
444 delete $suppress_cc{'body'};
445}
446
c1f2aa45
JS
447# Set confirm's default value
448my $confirm_unconfigured = !defined $confirm;
449if ($confirm_unconfigured) {
450 $confirm = scalar %suppress_cc ? 'compose' : 'auto';
451};
452die "Unknown --confirm setting: '$confirm'\n"
453 unless $confirm =~ /^(?:auto|cc|compose|always|never)/;
454
65648283
DB
455# Debugging, print out the suppressions.
456if (0) {
457 print "suppressions:\n";
458 foreach my $entry (keys %suppress_cc) {
459 printf " %-5s -> $suppress_cc{$entry}\n", $entry;
460 }
461}
462
ad79c024
FL
463my ($repoauthor, $repocommitter);
464($repoauthor) = Git::ident_person(@repo, 'author');
465($repocommitter) = Git::ident_person(@repo, 'committer');
34cc60ce 466
5012699d
JS
467sub parse_address_line {
468 if ($have_mail_address) {
469 return map { $_->format } Mail::Address->parse($_[0]);
470 } else {
8d314d7a 471 return Git::parse_mailboxes($_[0]);
5012699d
JS
472 }
473}
474
0e73b3ee 475sub split_addrs {
2f0e7cbb 476 return quotewords('\s*,\s*', 1, @_);
0e73b3ee
WF
477}
478
994d6c66 479my %aliases;
09f1157b
ES
480
481sub parse_sendmail_alias {
482 local $_ = shift;
483 if (/"/) {
484 print STDERR "warning: sendmail alias with quotes is not supported: $_\n";
86b89848
ES
485 } elsif (/:include:/) {
486 print STDERR "warning: `:include:` not supported: $_\n";
487 } elsif (/[\/|]/) {
488 print STDERR "warning: `/file` or `|pipe` redirection not supported: $_\n";
09f1157b
ES
489 } elsif (/^(\S+?)\s*:\s*(.+)$/) {
490 my ($alias, $addr) = ($1, $2);
491 $aliases{$alias} = [ split_addrs($addr) ];
492 } else {
493 print STDERR "warning: sendmail line is not recognized: $_\n";
494 }
495}
496
497sub parse_sendmail_aliases {
498 my $fh = shift;
2532dd06 499 my $s = '';
09f1157b 500 while (<$fh>) {
2532dd06 501 chomp;
020be85f 502 next if /^\s*$/ || /^\s*#/;
2532dd06
ES
503 $s .= $_, next if $s =~ s/\\$// || s/^\s+//;
504 parse_sendmail_alias($s) if $s;
505 $s = $_;
09f1157b 506 }
2532dd06
ES
507 $s =~ s/\\$//; # silently tolerate stray '\' on last line
508 parse_sendmail_alias($s) if $s;
09f1157b
ES
509}
510
994d6c66
EW
511my %parse_alias = (
512 # multiline formats can be supported in the future
513 mutt => sub { my $fh = shift; while (<$fh>) {
ffc01f9b 514 if (/^\s*alias\s+(?:-group\s+\S+\s+)*(\S+)\s+(.*)$/) {
994d6c66
EW
515 my ($alias, $addr) = ($1, $2);
516 $addr =~ s/#.*$//; # mutt allows # comments
517 # commas delimit multiple addresses
0e73b3ee 518 $aliases{$alias} = [ split_addrs($addr) ];
994d6c66
EW
519 }}},
520 mailrc => sub { my $fh = shift; while (<$fh>) {
521 if (/^alias\s+(\S+)\s+(.*)$/) {
522 # spaces delimit multiple addresses
fe87c921 523 $aliases{$1} = [ quotewords('\s+', 0, $2) ];
994d6c66 524 }}},
73c427eb
TP
525 pine => sub { my $fh = shift; my $f='\t[^\t]*';
526 for (my $x = ''; defined($x); $x = $_) {
527 chomp $x;
528 $x .= $1 while(defined($_ = <$fh>) && /^ +(.*)$/);
529 $x =~ /^(\S+)$f\t\(?([^\t]+?)\)?(:?$f){0,2}$/ or next;
0e73b3ee 530 $aliases{$1} = [ split_addrs($2) ];
73c427eb 531 }},
7613ea35
BP
532 elm => sub { my $fh = shift;
533 while (<$fh>) {
534 if (/^(\S+)\s+=\s+[^=]+=\s(\S+)/) {
535 my ($alias, $addr) = ($1, $2);
536 $aliases{$alias} = [ split_addrs($addr) ];
537 }
538 } },
09f1157b 539 sendmail => \&parse_sendmail_aliases,
994d6c66
EW
540 gnus => sub { my $fh = shift; while (<$fh>) {
541 if (/\(define-mail-alias\s+"(\S+?)"\s+"(\S+?)"\)/) {
542 $aliases{$1} = [ $2 ];
543 }}}
544);
545
3cb8caf7 546if (@alias_files and $aliasfiletype and defined $parse_alias{$aliasfiletype}) {
994d6c66
EW
547 foreach my $file (@alias_files) {
548 open my $fh, '<', $file or die "opening $file: $!\n";
549 $parse_alias{$aliasfiletype}->($fh);
550 close $fh;
551 }
552}
553
9b397039
RR
554# is_format_patch_arg($f) returns 0 if $f names a patch, or 1 if
555# $f is a revision list specification to be passed to format-patch.
556sub is_format_patch_arg {
eed6ca7c 557 return unless $repo;
5df9fcf6
PH
558 my $f = shift;
559 try {
560 $repo->command('rev-parse', '--verify', '--quiet', $f);
561 if (defined($format_patch)) {
5df9fcf6
PH
562 return $format_patch;
563 }
564 die(<<EOF);
565File '$f' exists but it could also be the range of commits
566to produce patches for. Please disambiguate by...
567
568 * Saying "./$f" if you mean a file; or
569 * Giving --format-patch option if you mean a range.
570EOF
571 } catch Git::Error::Command with {
9b397039 572 # Not a valid revision. Treat it as a filename.
5df9fcf6
PH
573 return 0;
574 }
575}
576
aa54892f
JK
577# Now that all the defaults are set, process the rest of the command line
578# arguments and collect up the files that need to be processed.
5df9fcf6 579my @rev_list_opts;
69f4ce55 580while (defined(my $f = shift @ARGV)) {
5df9fcf6
PH
581 if ($f eq "--") {
582 push @rev_list_opts, "--", @ARGV;
583 @ARGV = ();
9b397039 584 } elsif (-d $f and !is_format_patch_arg($f)) {
c6038169 585 opendir my $dh, $f
aa54892f
JK
586 or die "Failed to opendir $f: $!";
587
89bf1bac 588 push @files, grep { -f $_ } map { catfile($f, $_) }
c6038169
ÆAB
589 sort readdir $dh;
590 closedir $dh;
9b397039 591 } elsif ((-f $f or -p $f) and !is_format_patch_arg($f)) {
aa54892f 592 push @files, $f;
aa54892f 593 } else {
5df9fcf6 594 push @rev_list_opts, $f;
aa54892f
JK
595 }
596}
597
5df9fcf6 598if (@rev_list_opts) {
eed6ca7c
JS
599 die "Cannot run git format-patch from outside a repository\n"
600 unless $repo;
5df9fcf6
PH
601 push @files, $repo->command('format-patch', '-o', tempdir(CLEANUP => 1), @rev_list_opts);
602}
603
dbf5e1e9 604if ($validate) {
c764a0c2 605 foreach my $f (@files) {
300913bd
KB
606 unless (-p $f) {
607 my $error = validate_patch($f);
608 $error and die "fatal: $f: $error\nwarning: no patches were sent\n";
609 }
c764a0c2 610 }
747bbff9
JK
611}
612
aa54892f
JK
613if (@files) {
614 unless ($quiet) {
615 print $_,"\n" for (@files);
616 }
617} else {
618 print STDERR "\nNo patch files specified!\n\n";
619 usage();
620}
621
acf071b0 622sub get_patch_subject {
beece9da
PH
623 my $fn = shift;
624 open (my $fh, '<', $fn);
625 while (my $line = <$fh>) {
626 next unless ($line =~ /^Subject: (.*)$/);
627 close $fh;
628 return "GIT: $1\n";
629 }
630 close $fh;
631 die "No subject line in $fn ?";
632}
633
634if ($compose) {
635 # Note that this does not need to be secure, but we will make a small
636 # effort to have it be unique
afe756c9
JS
637 $compose_filename = ($repo ?
638 tempfile(".gitsendemail.msg.XXXXXX", DIR => $repo->repo_path()) :
639 tempfile(".gitsendemail.msg.XXXXXX", DIR => "."))[1];
fe0f944f 640 open my $c, ">", $compose_filename
beece9da
PH
641 or die "Failed to open for writing $compose_filename: $!";
642
643
644 my $tpl_sender = $sender || $repoauthor || $repocommitter || '';
645 my $tpl_subject = $initial_subject || '';
646 my $tpl_reply_to = $initial_reply_to || '';
647
fe0f944f 648 print $c <<EOT;
beece9da 649From $tpl_sender # This line is ignored.
40e6e8a0 650GIT: Lines beginning in "GIT:" will be removed.
beece9da
PH
651GIT: Consider including an overall diffstat or table of contents
652GIT: for the patch you are writing.
653GIT:
654GIT: Clear the body content if you don't wish to send a summary.
655From: $tpl_sender
656Subject: $tpl_subject
657In-Reply-To: $tpl_reply_to
658
659EOT
660 for my $f (@files) {
fe0f944f 661 print $c get_patch_subject($f);
beece9da 662 }
fe0f944f 663 close $c;
beece9da 664
beece9da
PH
665 if ($annotate) {
666 do_edit($compose_filename, @files);
667 } else {
668 do_edit($compose_filename);
669 }
670
fe0f944f 671 open my $c2, ">", $compose_filename . ".final"
beece9da
PH
672 or die "Failed to open $compose_filename.final : " . $!;
673
fe0f944f 674 open $c, "<", $compose_filename
beece9da
PH
675 or die "Failed to open $compose_filename : " . $!;
676
677 my $need_8bit_cte = file_has_nonascii($compose_filename);
678 my $in_body = 0;
679 my $summary_empty = 1;
4a47a4dd
KM
680 if (!defined $compose_encoding) {
681 $compose_encoding = "UTF-8";
682 }
fe0f944f 683 while(<$c>) {
40e6e8a0 684 next if m/^GIT:/;
beece9da
PH
685 if ($in_body) {
686 $summary_empty = 0 unless (/^\n$/);
687 } elsif (/^\n$/) {
688 $in_body = 1;
689 if ($need_8bit_cte) {
fe0f944f 690 print $c2 "MIME-Version: 1.0\n",
beece9da 691 "Content-Type: text/plain; ",
62e00690 692 "charset=$compose_encoding\n",
beece9da
PH
693 "Content-Transfer-Encoding: 8bit\n";
694 }
695 } elsif (/^MIME-Version:/i) {
696 $need_8bit_cte = 0;
697 } elsif (/^Subject:\s*(.+)\s*$/i) {
698 $initial_subject = $1;
699 my $subject = $initial_subject;
700 $_ = "Subject: " .
ce547800 701 quote_subject($subject, $compose_encoding) .
beece9da
PH
702 "\n";
703 } elsif (/^In-Reply-To:\s*(.+)\s*$/i) {
704 $initial_reply_to = $1;
705 next;
706 } elsif (/^From:\s*(.+)\s*$/i) {
707 $sender = $1;
708 next;
709 } elsif (/^(?:To|Cc|Bcc):/i) {
710 print "To/Cc/Bcc fields are not interpreted yet, they have been ignored\n";
711 next;
712 }
fe0f944f 713 print $c2 $_;
beece9da 714 }
fe0f944f
ÆAB
715 close $c;
716 close $c2;
beece9da
PH
717
718 if ($summary_empty) {
719 print "Summary email is empty, skipping it\n";
720 $compose = -1;
721 }
722} elsif ($annotate) {
723 do_edit(@files);
724}
725
6e182518
JS
726sub ask {
727 my ($prompt, %arg) = @_;
0da43a68 728 my $valid_re = $arg{valid_re};
6e182518 729 my $default = $arg{default};
51bbccfd 730 my $confirm_only = $arg{confirm_only};
6e182518
JS
731 my $resp;
732 my $i = 0;
5906f54e
JS
733 return defined $default ? $default : undef
734 unless defined $term->IN and defined fileno($term->IN) and
735 defined $term->OUT and defined fileno($term->OUT);
6e182518
JS
736 while ($i++ < 10) {
737 $resp = $term->readline($prompt);
738 if (!defined $resp) { # EOF
739 print "\n";
740 return defined $default ? $default : undef;
741 }
742 if ($resp eq '' and defined $default) {
743 return $default;
744 }
0da43a68 745 if (!defined $valid_re or $resp =~ /$valid_re/) {
6e182518
JS
746 return $resp;
747 }
51bbccfd
JH
748 if ($confirm_only) {
749 my $yesno = $term->readline("Are you sure you want to use <$resp> [y/N]? ");
750 if (defined $yesno && $yesno =~ /y/i) {
751 return $resp;
752 }
753 }
6e182518 754 }
622bc930 755 return;
6e182518
JS
756}
757
3cae7e5b
TR
758my %broken_encoding;
759
1d50bfd9 760sub file_declares_8bit_cte {
3cae7e5b
TR
761 my $fn = shift;
762 open (my $fh, '<', $fn);
763 while (my $line = <$fh>) {
764 last if ($line =~ /^$/);
765 return 1 if ($line =~ /^Content-Transfer-Encoding: .*8bit.*$/);
766 }
767 close $fh;
768 return 0;
769}
770
771foreach my $f (@files) {
772 next unless (body_or_subject_has_nonascii($f)
773 && !file_declares_8bit_cte($f));
774 $broken_encoding{$f} = 1;
775}
776
777if (!defined $auto_8bit_encoding && scalar %broken_encoding) {
778 print "The following files are 8bit, but do not declare " .
779 "a Content-Transfer-Encoding.\n";
780 foreach my $f (sort keys %broken_encoding) {
781 print " $f\n";
782 }
783 $auto_8bit_encoding = ask("Which 8bit encoding should I declare [UTF-8]? ",
852a15d7 784 valid_re => qr/.{4}/, confirm_only => 1,
3cae7e5b
TR
785 default => "UTF-8");
786}
787
a03bc5b6
TR
788if (!$force) {
789 for my $f (@files) {
0d290a46 790 if (get_patch_subject($f) =~ /\Q*** SUBJECT HERE ***\E/) {
a03bc5b6
TR
791 die "Refusing to send because the patch\n\t$f\n"
792 . "has the template subject '*** SUBJECT HERE ***'. "
793 . "Pass --force if you really want to send.\n";
794 }
795 }
796}
797
c46e27aa 798if (defined $sender) {
fa5b1aa9 799 $sender =~ s/^\s+|\s+$//g;
c46e27aa
RL
800 ($sender) = expand_aliases($sender);
801} else {
ad79c024 802 $sender = $repoauthor || $repocommitter || '';
83b24437
RA
803}
804
da18759e
MT
805# $sender could be an already sanitized address
806# (e.g. sendemail.from could be manually sanitized by user).
807# But it's a no-op to run sanitize_address on an already sanitized address.
808$sender = sanitize_address($sender);
809
8cac13dc 810my $prompting = 0;
8796ff7f 811if (!@initial_to && !defined $to_cmd) {
61837493
SB
812 my $to = ask("Who should the emails be sent to (if any)? ",
813 default => "",
51bbccfd 814 valid_re => qr/\@.*\./, confirm_only => 1);
3c3bb51c 815 push @initial_to, parse_address_line($to) if defined $to; # sanitized/validated later
1f038a0c 816 $prompting++;
83b24437
RA
817}
818
994d6c66 819sub expand_aliases {
302e04ea
JK
820 return map { expand_one_alias($_) } @_;
821}
822
823my %EXPANDED_ALIASES;
824sub expand_one_alias {
825 my $alias = shift;
826 if ($EXPANDED_ALIASES{$alias}) {
827 die "fatal: alias '$alias' expands to itself\n";
828 }
829 local $EXPANDED_ALIASES{$alias} = 1;
830 return $aliases{$alias} ? expand_aliases(@{$aliases{$alias}}) : $alias;
994d6c66
EW
831}
832
b5e112d8
RL
833@initial_to = process_address_list(@initial_to);
834@initial_cc = process_address_list(@initial_cc);
835@bcclist = process_address_list(@bcclist);
994d6c66 836
5483c71d 837if ($thread && !defined $initial_reply_to && $prompting) {
6e182518 838 $initial_reply_to = ask(
61837493
SB
839 "Message-ID to be used as In-Reply-To for the first email (if any)? ",
840 default => "",
51bbccfd 841 valid_re => qr/\@.*\./, confirm_only => 1);
83b24437 842}
1ca3d6ed 843if (defined $initial_reply_to) {
0fb7fc75
JS
844 $initial_reply_to =~ s/^\s*<?//;
845 $initial_reply_to =~ s/>?\s*$//;
846 $initial_reply_to = "<$initial_reply_to>" if $initial_reply_to ne '';
ace9c2a9 847}
ace72086 848
34cc60ce 849if (!defined $smtp_server) {
aca7ad76
EW
850 foreach (qw( /usr/sbin/sendmail /usr/lib/sendmail )) {
851 if (-x $_) {
852 $smtp_server = $_;
853 last;
854 }
855 }
856 $smtp_server ||= 'localhost'; # could be 127.0.0.1, too... *shrug*
3342d850
RA
857}
858
c1f2aa45
JS
859if ($compose && $compose > 0) {
860 @files = ($compose_filename . ".final", @files);
1f038a0c
RA
861}
862
83b24437 863# Variables we set as part of the loop over files
c1f2aa45 864our ($message_id, %mail, $subject, $reply_to, $references, $message,
dc1460aa 865 $needs_confirm, $message_num, $ask_default);
83b24437 866
567ffeb7
EW
867sub extract_valid_address {
868 my $address = shift;
35b6ab95
ÆAB
869 my $local_part_regexp = qr/[^<>"\s@]+/;
870 my $domain_regexp = qr/[^.<>"\s@]+(?:\.[^.<>"\s@]+)+/;
db3106b2
EW
871
872 # check for a local address:
ad9c18f5 873 return $address if ($address =~ /^($local_part_regexp)$/);
db3106b2 874
155197e6 875 $address =~ s/^\s*<(.*)>\s*$/$1/;
567ffeb7 876 if ($have_email_valid) {
ad9c18f5 877 return scalar Email::Valid->address($address);
567ffeb7 878 }
95c0d4b6
KM
879
880 # less robust/correct than the monster regexp in Email::Valid,
881 # but still does a 99% job, and one less dependency
882 return $1 if $address =~ /($local_part_regexp\@$domain_regexp)/;
622bc930 883 return;
567ffeb7 884}
83b24437 885
e4312255
KM
886sub extract_valid_address_or_die {
887 my $address = shift;
888 $address = extract_valid_address($address);
889 die "error: unable to extract a valid address from: $address\n"
890 if !$address;
891 return $address;
892}
893
894sub validate_address {
895 my $address = shift;
d0e98107 896 while (!extract_valid_address($address)) {
5c80afed 897 print STDERR "error: unable to extract a valid address from: $address\n";
d0e98107
KM
898 $_ = ask("What to do with this address? ([q]uit|[d]rop|[e]dit): ",
899 valid_re => qr/^(?:quit|q|drop|d|edit|e)/i,
5c80afed
KM
900 default => 'q');
901 if (/^d/i) {
902 return undef;
903 } elsif (/^q/i) {
904 cleanup_compose_files();
905 exit(0);
906 }
d0e98107
KM
907 $address = ask("Who should the email be sent to (if any)? ",
908 default => "",
909 valid_re => qr/\@.*\./, confirm_only => 1);
e4312255
KM
910 }
911 return $address;
912}
913
914sub validate_address_list {
915 return (grep { defined $_ }
916 map { validate_address($_) } @_);
567ffeb7 917}
83b24437
RA
918
919# Usually don't need to change anything below here.
920
921# we make a "fake" message id by taking the current number
922# of seconds since the beginning of Unix time and tacking on
923# a random number to the end, in case we are called quicker than
924# 1 second since the last time we were called.
8037d1a3
RA
925
926# We'll setup a template for the message id, using the "from" address:
8037d1a3 927
be510cfe 928my ($message_id_stamp, $message_id_serial);
68ce9330 929sub make_message_id {
be510cfe
JH
930 my $uniq;
931 if (!defined $message_id_stamp) {
932 $message_id_stamp = sprintf("%s-%s", time, $$);
933 $message_id_serial = 0;
934 }
935 $message_id_serial++;
936 $uniq = "$message_id_stamp-$message_id_serial";
937
aeb59328 938 my $du_part;
94638f89
UKK
939 for ($sender, $repocommitter, $repoauthor) {
940 $du_part = extract_valid_address(sanitize_address($_));
941 last if (defined $du_part and $du_part ne '');
aeb59328 942 }
94638f89 943 if (not defined $du_part or $du_part eq '') {
529dd386 944 require Sys::Hostname;
aeb59328
JH
945 $du_part = 'user@' . Sys::Hostname::hostname();
946 }
be510cfe
JH
947 my $message_id_template = "<%s-git-send-email-%s>";
948 $message_id = sprintf($message_id_template, $uniq, $du_part);
8037d1a3 949 #print "new message id = $message_id\n"; # Was useful for debugging
83b24437
RA
950}
951
952
953
a5370b16 954$time = time - scalar $#files;
83b24437 955
374c5905
JR
956sub unquote_rfc2047 {
957 local ($_) = @_;
11f70a7e 958 my $charset;
ab47e2a5
РД
959 my $sep = qr/[ \t]+/;
960 s{$re_encoded_word(?:$sep$re_encoded_word)*}{
961 my @words = split $sep, $&;
962 foreach (@words) {
963 m/$re_encoded_word/;
964 $charset = $1;
965 my $encoding = $2;
966 my $text = $3;
967 if ($encoding eq 'q' || $encoding eq 'Q') {
968 $_ = $text;
969 s/_/ /g;
970 s/=([0-9A-F]{2})/chr(hex($1))/egi;
971 } else {
972 # other encodings not supported yet
973 }
11f70a7e 974 }
ab47e2a5 975 join '', @words;
b622d4d1 976 }eg;
11f70a7e 977 return wantarray ? ($_, $charset) : $_;
374c5905
JR
978}
979
d54eaaa2
JK
980sub quote_rfc2047 {
981 local $_ = shift;
d1fff6fc 982 my $encoding = shift || 'UTF-8';
d54eaaa2
JK
983 s/([^-a-zA-Z0-9!*+\/])/sprintf("=%02X", ord($1))/eg;
984 s/(.*)/=\?$encoding\?q\?$1\?=/;
985 return $_;
986}
987
a3a8262b
BC
988sub is_rfc2047_quoted {
989 my $s = shift;
a3a8262b 990 length($s) <= 75 &&
11f70a7e 991 $s =~ m/^(?:"[[:ascii:]]*"|$re_encoded_word)$/o;
a3a8262b
BC
992}
993
ce547800
KM
994sub subject_needs_rfc2047_quoting {
995 my $s = shift;
996
ce1459f7 997 return ($s =~ /[^[:ascii:]]/) || ($s =~ /=\?/);
ce547800
KM
998}
999
1000sub quote_subject {
1001 local $subject = shift;
1002 my $encoding = shift || 'UTF-8';
1003
1004 if (subject_needs_rfc2047_quoting($subject)) {
1005 return quote_rfc2047($subject, $encoding);
1006 }
1007 return $subject;
1008}
1009
5b56aaa2 1010# use the simplest quoting being able to handle the recipient
68ce9330 1011sub sanitize_address {
732263d4 1012 my ($recipient) = @_;
831a488b
KM
1013
1014 # remove garbage after email address
1015 $recipient =~ s/(.*>).*$/$1/;
1016
5b56aaa2
UKK
1017 my ($recipient_name, $recipient_addr) = ($recipient =~ /^(.*?)\s*(<.*)/);
1018
1019 if (not $recipient_name) {
ff483897 1020 return $recipient;
5b56aaa2
UKK
1021 }
1022
1023 # if recipient_name is already quoted, do nothing
a3a8262b 1024 if (is_rfc2047_quoted($recipient_name)) {
5b56aaa2
UKK
1025 return $recipient;
1026 }
1027
1fe9703f
RL
1028 # remove non-escaped quotes
1029 $recipient_name =~ s/(^|[^\\])"/$1/g;
1030
5b56aaa2
UKK
1031 # rfc2047 is needed if a non-ascii char is included
1032 if ($recipient_name =~ /[^[:ascii:]]/) {
d54eaaa2 1033 $recipient_name = quote_rfc2047($recipient_name);
732263d4 1034 }
5b56aaa2
UKK
1035
1036 # double quotes are needed if specials or CTLs are included
1037 elsif ($recipient_name =~ /[][()<>@,;:\\".\000-\037\177]/) {
1fe9703f 1038 $recipient_name =~ s/([\\\r])/\\$1/g;
d5c7d69d 1039 $recipient_name = qq["$recipient_name"];
5b56aaa2
UKK
1040 }
1041
1042 return "$recipient_name $recipient_addr";
1043
732263d4
RJ
1044}
1045
e4312255
KM
1046sub sanitize_address_list {
1047 return (map { sanitize_address($_) } @_);
1048}
1049
b5e112d8 1050sub process_address_list {
b1c8a11c
RL
1051 my @addr_list = map { parse_address_line($_) } @_;
1052 @addr_list = expand_aliases(@addr_list);
b5e112d8
RL
1053 @addr_list = sanitize_address_list(@addr_list);
1054 @addr_list = validate_address_list(@addr_list);
1055 return @addr_list;
1056}
1057
134550fe
JA
1058# Returns the local Fully Qualified Domain Name (FQDN) if available.
1059#
1060# Tightly configured MTAa require that a caller sends a real DNS
1061# domain name that corresponds the IP address in the HELO/EHLO
1062# handshake. This is used to verify the connection and prevent
1063# spammers from trying to hide their identity. If the DNS and IP don't
1064# match, the receiveing MTA may deny the connection.
1065#
1066# Here is a deny example of Net::SMTP with the default "localhost.localdomain"
1067#
1068# Net::SMTP=GLOB(0x267ec28)>>> EHLO localhost.localdomain
1069# Net::SMTP=GLOB(0x267ec28)<<< 550 EHLO argument does not match calling host
1070#
1071# This maildomain*() code is based on ideas in Perl library Test::Reporter
1072# /usr/share/perl5/Test/Reporter/Mail/Util.pm ==> sub _maildomain ()
1073
59a86303
BG
1074sub valid_fqdn {
1075 my $domain = shift;
61ef5e9b 1076 return defined $domain && !($^O eq 'darwin' && $domain =~ /\.local$/) && $domain =~ /\./;
59a86303
BG
1077}
1078
68ce9330 1079sub maildomain_net {
134550fe
JA
1080 my $maildomain;
1081
1082 if (eval { require Net::Domain; 1 }) {
1083 my $domain = Net::Domain::domainname();
59a86303 1084 $maildomain = $domain if valid_fqdn($domain);
134550fe
JA
1085 }
1086
1087 return $maildomain;
1088}
1089
68ce9330 1090sub maildomain_mta {
134550fe
JA
1091 my $maildomain;
1092
1093 if (eval { require Net::SMTP; 1 }) {
1094 for my $host (qw(mailhost localhost)) {
1095 my $smtp = Net::SMTP->new($host);
1096 if (defined $smtp) {
1097 my $domain = $smtp->domain;
1098 $smtp->quit;
1099
59a86303 1100 $maildomain = $domain if valid_fqdn($domain);
134550fe
JA
1101
1102 last if $maildomain;
1103 }
1104 }
1105 }
1106
1107 return $maildomain;
1108}
1109
68ce9330 1110sub maildomain {
69cf7bfd 1111 return maildomain_net() || maildomain_mta() || 'localhost.localdomain';
134550fe
JA
1112}
1113
4d31a44a
MN
1114sub smtp_host_string {
1115 if (defined $smtp_server_port) {
1116 return "$smtp_server:$smtp_server_port";
1117 } else {
1118 return $smtp_server;
1119 }
1120}
1121
1122# Returns 1 if authentication succeeded or was not necessary
1123# (smtp_user was not specified), and 0 otherwise.
1124
1125sub smtp_auth_maybe {
1126 if (!defined $smtp_authuser || $auth) {
1127 return 1;
1128 }
1129
1130 # Workaround AUTH PLAIN/LOGIN interaction defect
1131 # with Authen::SASL::Cyrus
1132 eval {
1133 require Authen::SASL;
1134 Authen::SASL->import(qw(Perl));
1135 };
1136
0f2e68b5
JV
1137 # Check mechanism naming as defined in:
1138 # https://tools.ietf.org/html/rfc4422#page-8
904f6e7c 1139 if ($smtp_auth && $smtp_auth !~ /^(\b[A-Z0-9-_]{1,20}\s*)*$/) {
0f2e68b5
JV
1140 die "invalid smtp auth: '${smtp_auth}'";
1141 }
1142
4d31a44a
MN
1143 # TODO: Authentication may fail not because credentials were
1144 # invalid but due to other reasons, in which we should not
1145 # reject credentials.
1146 $auth = Git::credential({
1147 'protocol' => 'smtp',
1148 'host' => smtp_host_string(),
1149 'username' => $smtp_authuser,
1150 # if there's no password, "git credential fill" will
1151 # give us one, otherwise it'll just pass this one.
1152 'password' => $smtp_authpass
1153 }, sub {
1154 my $cred = shift;
0f2e68b5
JV
1155
1156 if ($smtp_auth) {
1157 my $sasl = Authen::SASL->new(
1158 mechanism => $smtp_auth,
1159 callback => {
1160 user => $cred->{'username'},
1161 pass => $cred->{'password'},
1162 authname => $cred->{'username'},
1163 }
1164 );
1165
1166 return !!$smtp->auth($sasl);
1167 }
1168
4d31a44a
MN
1169 return !!$smtp->auth($cred->{'username'}, $cred->{'password'});
1170 });
1171
1172 return $auth;
1173}
1174
35035bbf
RR
1175sub ssl_verify_params {
1176 eval {
1177 require IO::Socket::SSL;
1178 IO::Socket::SSL->import(qw/SSL_VERIFY_PEER SSL_VERIFY_NONE/);
1179 };
1180 if ($@) {
1181 print STDERR "Not using SSL_VERIFY_PEER due to out-of-date IO::Socket::SSL.\n";
1182 return;
1183 }
1184
1185 if (!defined $smtp_ssl_cert_path) {
01645b74
RK
1186 # use the OpenSSL defaults
1187 return (SSL_verify_mode => SSL_VERIFY_PEER());
35035bbf
RR
1188 }
1189
1190 if ($smtp_ssl_cert_path eq "") {
1191 return (SSL_verify_mode => SSL_VERIFY_NONE());
1192 } elsif (-d $smtp_ssl_cert_path) {
1193 return (SSL_verify_mode => SSL_VERIFY_PEER(),
1194 SSL_ca_path => $smtp_ssl_cert_path);
1195 } elsif (-f $smtp_ssl_cert_path) {
1196 return (SSL_verify_mode => SSL_VERIFY_PEER(),
1197 SSL_ca_file => $smtp_ssl_cert_path);
1198 } else {
1199 print STDERR "Not using SSL_VERIFY_PEER because the CA path does not exist.\n";
1200 return (SSL_verify_mode => SSL_VERIFY_NONE());
1201 }
1202}
1203
cb005c1f
EFL
1204sub file_name_is_absolute {
1205 my ($path) = @_;
1206
1207 # msys does not grok DOS drive-prefixes
1208 if ($^O eq 'msys') {
f24ecf59 1209 return ($path =~ m#^/# || $path =~ m#^[a-zA-Z]\:#)
cb005c1f
EFL
1210 }
1211
1212 require File::Spec::Functions;
1213 return File::Spec::Functions::file_name_is_absolute($path);
1214}
1215
15da1084 1216# Returns 1 if the message was sent, and 0 otherwise.
a1b5b371 1217# In actuality, the whole program dies when there
15da1084
MW
1218# is an error sending a message.
1219
68ce9330 1220sub send_message {
4bc87a28 1221 my @recipients = unique_email_list(@to);
e4312255 1222 @cc = (grep { my $cc = extract_valid_address_or_die($_);
83acaaec 1223 not grep { $cc eq $_ || $_ =~ /<\Q${cc}\E>$/ } @recipients
7ac17529 1224 }
7ac17529 1225 @cc);
4bc87a28 1226 my $to = join (",\n\t", @recipients);
58063245 1227 @recipients = unique_email_list(@recipients,@cc,@bcclist);
e4312255 1228 @recipients = (map { extract_valid_address_or_die($_) } @recipients);
6bdca890 1229 my $date = format_2822_time($time++);
e923effb
ML
1230 my $gitversion = '@@GIT_VERSION@@';
1231 if ($gitversion =~ m/..GIT_VERSION../) {
3cb8caf7 1232 $gitversion = Git::version();
e923effb 1233 }
4bc87a28 1234
02461e0e 1235 my $cc = join(",\n\t", unique_email_list(@cc));
f06a6a49
JH
1236 my $ccline = "";
1237 if ($cc ne '') {
1238 $ccline = "\nCc: $cc";
1239 }
4f3d3703 1240 make_message_id() unless defined($message_id);
aeb59328 1241
da18759e 1242 my $header = "From: $sender
f06a6a49 1243To: $to${ccline}
4bc87a28 1244Subject: $subject
4bc87a28
EW
1245Date: $date
1246Message-Id: $message_id
4bc87a28 1247";
ac1596a6
LH
1248 if ($use_xmailer) {
1249 $header .= "X-Mailer: git-send-email $gitversion\n";
1250 }
3e0c4ffd 1251 if ($reply_to) {
7ccf7927
RA
1252
1253 $header .= "In-Reply-To: $reply_to\n";
1254 $header .= "References: $references\n";
1255 }
ce91c2f6
JH
1256 if (@xh) {
1257 $header .= join("\n", @xh) . "\n";
1258 }
4bc87a28 1259
c38f0247 1260 my @sendmail_parameters = ('-i', @recipients);
da18759e 1261 my $raw_from = $sender;
c89e3241
FC
1262 if (defined $envelope_sender && $envelope_sender ne "auto") {
1263 $raw_from = $envelope_sender;
1264 }
f073a592
RJ
1265 $raw_from = extract_valid_address($raw_from);
1266 unshift (@sendmail_parameters,
1267 '-f', $raw_from) if(defined $envelope_sender);
8e3d436b 1268
c1f2aa45
JS
1269 if ($needs_confirm && !$dry_run) {
1270 print "\n$header\n";
1271 if ($needs_confirm eq "inform") {
1272 $confirm_unconfigured = 0; # squelch this message for the rest of this run
6e182518 1273 $ask_default = "y"; # assume yes on EOF since user hasn't explicitly asked for confirmation
c1f2aa45
JS
1274 print " The Cc list above has been expanded by additional\n";
1275 print " addresses found in the patch commit message. By default\n";
1276 print " send-email prompts before sending whenever this occurs.\n";
1277 print " This behavior is controlled by the sendemail.confirm\n";
1278 print " configuration setting.\n";
1279 print "\n";
1280 print " For additional information, run 'git send-email --help'.\n";
1281 print " To retain the current behavior, but squelch this message,\n";
1282 print " run 'git config --global sendemail.confirm auto'.\n\n";
1283 }
6e182518
JS
1284 $_ = ask("Send this email? ([y]es|[n]o|[q]uit|[a]ll): ",
1285 valid_re => qr/^(?:yes|y|no|n|quit|q|all|a)/i,
1286 default => $ask_default);
1287 die "Send this email reply required" unless defined $_;
c1f2aa45 1288 if (/^n/i) {
15da1084 1289 return 0;
c1f2aa45
JS
1290 } elsif (/^q/i) {
1291 cleanup_compose_files();
1292 exit(0);
1293 } elsif (/^a/i) {
1294 $confirm = 'never';
1295 }
1296 }
1297
052fbea2
PO
1298 unshift (@sendmail_parameters, @smtp_server_options);
1299
6130259c
MW
1300 if ($dry_run) {
1301 # We don't want to send the email.
cb005c1f 1302 } elsif (file_name_is_absolute($smtp_server)) {
aca7ad76
EW
1303 my $pid = open my $sm, '|-';
1304 defined $pid or die $!;
1305 if (!$pid) {
8e3d436b 1306 exec($smtp_server, @sendmail_parameters) or die $!;
aca7ad76
EW
1307 }
1308 print $sm "$header\n$message";
5e2c2ab1 1309 close $sm or die $!;
aca7ad76 1310 } else {
44b2476a
JH
1311
1312 if (!defined $smtp_server) {
1313 die "The required SMTP server is not properly defined."
1314 }
1315
f6bebd12 1316 if ($smtp_encryption eq 'ssl') {
44b2476a 1317 $smtp_server_port ||= 465; # ssmtp
34cc60ce 1318 require Net::SMTP::SSL;
69cf7bfd 1319 $smtp_domain ||= maildomain();
5508f3ed
TR
1320 require IO::Socket::SSL;
1321 # Net::SMTP::SSL->new() does not forward any SSL options
1322 IO::Socket::SSL::set_client_defaults(
1323 ssl_verify_params());
134550fe 1324 $smtp ||= Net::SMTP::SSL->new($smtp_server,
69cf7bfd 1325 Hello => $smtp_domain,
35035bbf 1326 Port => $smtp_server_port,
5508f3ed 1327 Debug => $debug_net_smtp);
34cc60ce
DS
1328 }
1329 else {
1330 require Net::SMTP;
69cf7bfd 1331 $smtp_domain ||= maildomain();
1a741bf7 1332 $smtp_server_port ||= 25;
1333 $smtp ||= Net::SMTP->new($smtp_server,
69cf7bfd 1334 Hello => $smtp_domain,
1a741bf7 1335 Debug => $debug_net_smtp,
1336 Port => $smtp_server_port);
fb3650ed 1337 if ($smtp_encryption eq 'tls' && $smtp) {
f6bebd12
TR
1338 require Net::SMTP::SSL;
1339 $smtp->command('STARTTLS');
1340 $smtp->response();
1341 if ($smtp->code == 220) {
35035bbf
RR
1342 $smtp = Net::SMTP::SSL->start_SSL($smtp,
1343 ssl_verify_params())
6cb0c883 1344 or die "STARTTLS failed! ".IO::Socket::SSL::errstr();
6cbf8b00 1345 $smtp_encryption = '';
9d1ccf5e
RS
1346 # Send EHLO again to receive fresh
1347 # supported commands
155b940f 1348 $smtp->hello($smtp_domain);
f6bebd12
TR
1349 } else {
1350 die "Server does not support STARTTLS! ".$smtp->message;
1351 }
1352 }
44b2476a
JH
1353 }
1354
1355 if (!$smtp) {
f60812ef 1356 die "Unable to initialize SMTP properly. Check config and use --smtp-debug. ",
e5afb3a6
JA
1357 "VALUES: server=$smtp_server ",
1358 "encryption=$smtp_encryption ",
69cf7bfd 1359 "hello=$smtp_domain",
a1dd7e16 1360 defined $smtp_server_port ? " port=$smtp_server_port" : "";
44b2476a
JH
1361 }
1362
4d31a44a 1363 smtp_auth_maybe or die $smtp->message;
2363d746 1364
2b69bfc2 1365 $smtp->mail( $raw_from ) or die $smtp->message;
aca7ad76
EW
1366 $smtp->to( @recipients ) or die $smtp->message;
1367 $smtp->data or die $smtp->message;
f60c483d
SA
1368 $smtp->datasend("$header\n") or die $smtp->message;
1369 my @lines = split /^/, $message;
1370 foreach my $line (@lines) {
1371 $smtp->datasend("$line") or die $smtp->message;
1372 }
aca7ad76 1373 $smtp->dataend() or die $smtp->message;
15da1084 1374 $smtp->code =~ /250|200/ or die "Failed to send $subject\n".$smtp->message;
aca7ad76 1375 }
2718435b 1376 if ($quiet) {
71c7da94 1377 printf (($dry_run ? "Dry-" : "")."Sent %s\n", $subject);
2718435b 1378 } else {
b7f30e0a 1379 print (($dry_run ? "Dry-" : "")."OK. Log says:\n");
cb005c1f 1380 if (!file_name_is_absolute($smtp_server)) {
aca7ad76 1381 print "Server: $smtp_server\n";
2b69bfc2 1382 print "MAIL FROM:<$raw_from>\n";
02461e0e
JP
1383 foreach my $entry (@recipients) {
1384 print "RCPT TO:<$entry>\n";
1385 }
aca7ad76 1386 } else {
8e3d436b 1387 print "Sendmail: $smtp_server ".join(' ',@sendmail_parameters)."\n";
aca7ad76 1388 }
b7f30e0a 1389 print $header, "\n";
aca7ad76
EW
1390 if ($smtp) {
1391 print "Result: ", $smtp->code, ' ',
1392 ($smtp->message =~ /\n([^\n]+\n)$/s), "\n";
1393 } else {
1394 print "Result: OK\n";
1395 }
30d08b34 1396 }
15da1084
MW
1397
1398 return 1;
83b24437
RA
1399}
1400
83b24437 1401$reply_to = $initial_reply_to;
2186d566 1402$references = $initial_reply_to || '';
83b24437 1403$subject = $initial_subject;
c1f2aa45 1404$message_num = 0;
83b24437
RA
1405
1406foreach my $t (@files) {
f9237e61 1407 open my $fh, "<", $t or die "can't open file $t";
83b24437 1408
94638f89 1409 my $author = undef;
4cb46bdd 1410 my $sauthor = undef;
8291db6f
JK
1411 my $author_encoding;
1412 my $has_content_type;
1413 my $body_encoding;
bb29456c
PB
1414 my $xfer_encoding;
1415 my $has_mime_version;
3c3bb51c 1416 @to = ();
c1f2aa45 1417 @cc = ();
ce91c2f6 1418 @xh = ();
e6b0964a 1419 my $input_format = undef;
5012699d 1420 my @header = ();
83b24437 1421 $message = "";
c1f2aa45 1422 $message_num++;
5012699d 1423 # First unfold multiline header fields
f9237e61 1424 while(<$fh>) {
5012699d
JS
1425 last if /^\s*$/;
1426 if (/^\s+\S/ and @header) {
1427 chomp($header[$#header]);
1428 s/^\s+/ /;
1429 $header[$#header] .= $_;
1430 } else {
1431 push(@header, $_);
1432 }
1433 }
1434 # Now parse the header
1435 foreach(@header) {
1436 if (/^From /) {
1437 $input_format = 'mbox';
1438 next;
1439 }
1440 chomp;
1441 if (!defined $input_format && /^[-A-Za-z]+:\s/) {
1442 $input_format = 'mbox';
1443 }
1444
1445 if (defined $input_format && $input_format eq 'mbox') {
6310071a 1446 if (/^Subject:\s+(.*)$/i) {
5012699d 1447 $subject = $1;
e6b0964a 1448 }
6310071a 1449 elsif (/^From:\s+(.*)$/i) {
5012699d 1450 ($author, $author_encoding) = unquote_rfc2047($1);
4cb46bdd 1451 $sauthor = sanitize_address($author);
5012699d 1452 next if $suppress_cc{'author'};
da18759e 1453 next if $suppress_cc{'self'} and $sauthor eq $sender;
5012699d
JS
1454 printf("(mbox) Adding cc: %s from line '%s'\n",
1455 $1, $_) unless $quiet;
1456 push @cc, $1;
e6b0964a 1457 }
6310071a 1458 elsif (/^To:\s+(.*)$/i) {
21802cd3
SB
1459 foreach my $addr (parse_address_line($1)) {
1460 printf("(mbox) Adding to: %s from line '%s'\n",
1461 $addr, $_) unless $quiet;
e4312255 1462 push @to, $addr;
21802cd3
SB
1463 }
1464 }
6310071a 1465 elsif (/^Cc:\s+(.*)$/i) {
5012699d 1466 foreach my $addr (parse_address_line($1)) {
da18759e
MT
1467 my $qaddr = unquote_rfc2047($addr);
1468 my $saddr = sanitize_address($qaddr);
1469 if ($saddr eq $sender) {
65648283 1470 next if ($suppress_cc{'self'});
65648283
DB
1471 } else {
1472 next if ($suppress_cc{'cc'});
8a8e6235 1473 }
83b24437 1474 printf("(mbox) Adding cc: %s from line '%s'\n",
5012699d
JS
1475 $addr, $_) unless $quiet;
1476 push @cc, $addr;
83b24437 1477 }
5012699d
JS
1478 }
1479 elsif (/^Content-type:/i) {
1480 $has_content_type = 1;
1481 if (/charset="?([^ "]+)/) {
1482 $body_encoding = $1;
83b24437 1483 }
5012699d 1484 push @xh, $_;
83b24437 1485 }
bb29456c
PB
1486 elsif (/^MIME-Version/i) {
1487 $has_mime_version = 1;
1488 push @xh, $_;
1489 }
5012699d
JS
1490 elsif (/^Message-Id: (.*)/i) {
1491 $message_id = $1;
83b24437 1492 }
bb29456c
PB
1493 elsif (/^Content-Transfer-Encoding: (.*)/i) {
1494 $xfer_encoding = $1 if not defined $xfer_encoding;
1495 }
6310071a 1496 elsif (!/^Date:\s/i && /^[-A-Za-z]+:\s+\S/) {
5012699d
JS
1497 push @xh, $_;
1498 }
1499
83b24437 1500 } else {
5012699d
JS
1501 # In the traditional
1502 # "send lots of email" format,
1503 # line 1 = cc
1504 # line 2 = subject
1505 # So let's support that, too.
1506 $input_format = 'lots';
1507 if (@cc == 0 && !$suppress_cc{'cc'}) {
1508 printf("(non-mbox) Adding cc: %s from line '%s'\n",
1509 $_, $_) unless $quiet;
1510 push @cc, $_;
1511 } elsif (!defined $subject) {
1512 $subject = $_;
83b24437
RA
1513 }
1514 }
1515 }
5012699d 1516 # Now parse the message body
f9237e61 1517 while(<$fh>) {
5012699d
JS
1518 $message .= $_;
1519 if (/^(Signed-off-by|Cc): (.*)$/i) {
5012699d 1520 chomp;
3531e270 1521 my ($what, $c) = ($1, $2);
5012699d 1522 chomp $c;
da18759e
MT
1523 my $sc = sanitize_address($c);
1524 if ($sc eq $sender) {
3531e270
JS
1525 next if ($suppress_cc{'self'});
1526 } else {
1527 next if $suppress_cc{'sob'} and $what =~ /Signed-off-by/i;
1528 next if $suppress_cc{'bodycc'} and $what =~ /Cc/i;
1529 }
5012699d 1530 push @cc, $c;
3531e270 1531 printf("(body) Adding cc: %s from line '%s'\n",
5012699d
JS
1532 $c, $_) unless $quiet;
1533 }
1534 }
f9237e61 1535 close $fh;
324a8bd0 1536
6e74e075
JP
1537 push @to, recipients_cmd("to-cmd", "to", $to_cmd, $t)
1538 if defined $to_cmd;
1539 push @cc, recipients_cmd("cc-cmd", "cc", $cc_cmd, $t)
1540 if defined $cc_cmd && !$suppress_cc{'cccmd'};
324a8bd0 1541
3cae7e5b 1542 if ($broken_encoding{$t} && !$has_content_type) {
bb29456c 1543 $xfer_encoding = '8bit' if not defined $xfer_encoding;
3cae7e5b 1544 $has_content_type = 1;
bb29456c 1545 push @xh, "Content-Type: text/plain; charset=$auto_8bit_encoding";
3cae7e5b
TR
1546 $body_encoding = $auto_8bit_encoding;
1547 }
1548
ce547800
KM
1549 if ($broken_encoding{$t} && !is_rfc2047_quoted($subject)) {
1550 $subject = quote_subject($subject, $auto_8bit_encoding);
3cae7e5b
TR
1551 }
1552
4cb46bdd 1553 if (defined $sauthor and $sauthor ne $sender) {
94638f89 1554 $message = "From: $author\n\n$message";
8291db6f
JK
1555 if (defined $author_encoding) {
1556 if ($has_content_type) {
1557 if ($body_encoding eq $author_encoding) {
1558 # ok, we already have the right encoding
1559 }
1560 else {
1561 # uh oh, we should re-encode
1562 }
1563 }
1564 else {
bb29456c 1565 $xfer_encoding = '8bit' if not defined $xfer_encoding;
3cae7e5b 1566 $has_content_type = 1;
8291db6f 1567 push @xh,
bb29456c 1568 "Content-Type: text/plain; charset=$author_encoding";
8291db6f
JK
1569 }
1570 }
8a8e6235 1571 }
8d814084
PB
1572 if (defined $target_xfer_encoding) {
1573 $xfer_encoding = '8bit' if not defined $xfer_encoding;
1574 $message = apply_transfer_encoding(
1575 $message, $xfer_encoding, $target_xfer_encoding);
1576 $xfer_encoding = $target_xfer_encoding;
1577 }
bb29456c
PB
1578 if (defined $xfer_encoding) {
1579 push @xh, "Content-Transfer-Encoding: $xfer_encoding";
1580 }
1581 if (defined $xfer_encoding or $has_content_type) {
1582 unshift @xh, 'MIME-Version: 1.0' unless $has_mime_version;
1583 }
83b24437 1584
c1f2aa45
JS
1585 $needs_confirm = (
1586 $confirm eq "always" or
1587 ($confirm =~ /^(?:auto|cc)$/ && @cc) or
1588 ($confirm =~ /^(?:auto|compose)$/ && $compose && $message_num == 1));
1589 $needs_confirm = "inform" if ($needs_confirm && $confirm_unconfigured && @cc);
1590
b5e112d8
RL
1591 @to = process_address_list(@to);
1592 @cc = process_address_list(@cc);
e4312255 1593
3c3bb51c 1594 @to = (@initial_to, @to);
c1f2aa45
JS
1595 @cc = (@initial_cc, @cc);
1596
f515c904
MT
1597 if ($message_num == 1) {
1598 if (defined $cover_cc and $cover_cc) {
1599 @initial_cc = @cc;
1600 }
1601 if (defined $cover_to and $cover_to) {
1602 @initial_to = @to;
1603 }
1604 }
1605
15da1084 1606 my $message_was_sent = send_message();
83b24437
RA
1607
1608 # set up for the next message
95a877a3 1609 if ($thread && $message_was_sent &&
b99d22f2 1610 ($chain_reply_to || !defined $reply_to || length($reply_to) == 0 ||
db54c8e7 1611 $message_num == 1)) {
78488b2c 1612 $reply_to = $message_id;
7ccf7927 1613 if (length $references > 0) {
a925b89c 1614 $references .= "\n $message_id";
7ccf7927
RA
1615 } else {
1616 $references = "$message_id";
1617 }
78488b2c 1618 }
4f3d3703 1619 $message_id = undef;
83b24437 1620}
e205735d 1621
6e74e075
JP
1622# Execute a command (e.g. $to_cmd) to get a list of email addresses
1623# and return a results array
1624sub recipients_cmd {
1625 my ($prefix, $what, $cmd, $file) = @_;
1626
6e74e075 1627 my @addresses = ();
a47eab03 1628 open my $fh, "-|", "$cmd \Q$file\E"
6e74e075 1629 or die "($prefix) Could not execute '$cmd'";
7ebee441 1630 while (my $address = <$fh>) {
6e74e075
JP
1631 $address =~ s/^\s*//g;
1632 $address =~ s/\s*$//g;
1633 $address = sanitize_address($address);
da18759e 1634 next if ($address eq $sender and $suppress_cc{'self'});
6e74e075
JP
1635 push @addresses, $address;
1636 printf("($prefix) Adding %s: %s from: '%s'\n",
1637 $what, $address, $cmd) unless $quiet;
1638 }
7ebee441 1639 close $fh
6e74e075
JP
1640 or die "($prefix) failed to close pipe to '$cmd'";
1641 return @addresses;
1642}
1643
c1f2aa45 1644cleanup_compose_files();
1f038a0c 1645
4bf597ee 1646sub cleanup_compose_files {
c1f2aa45 1647 unlink($compose_filename, $compose_filename . ".final") if $compose;
1f038a0c
RA
1648}
1649
4bc87a28 1650$smtp->quit if $smtp;
e205735d 1651
8d814084
PB
1652sub apply_transfer_encoding {
1653 my $message = shift;
1654 my $from = shift;
1655 my $to = shift;
1656
1657 return $message if ($from eq $to and $from ne '7bit');
1658
1659 require MIME::QuotedPrint;
1660 require MIME::Base64;
1661
1662 $message = MIME::QuotedPrint::decode($message)
1663 if ($from eq 'quoted-printable');
1664 $message = MIME::Base64::decode($message)
1665 if ($from eq 'base64');
1666
1667 die "cannot send message as 7bit"
1668 if ($to eq '7bit' and $message =~ /[^[:ascii:]]/);
1669 return $message
1670 if ($to eq '7bit' or $to eq '8bit');
1671 return MIME::QuotedPrint::encode($message, "\n", 0)
1672 if ($to eq 'quoted-printable');
1673 return MIME::Base64::encode($message, "\n")
1674 if ($to eq 'base64');
1675 die "invalid transfer encoding";
1676}
1677
c438ea2a 1678sub unique_email_list {
e205735d
RA
1679 my %seen;
1680 my @emails;
1681
1682 foreach my $entry (@_) {
e4312255
KM
1683 my $clean = extract_valid_address_or_die($entry);
1684 $seen{$clean} ||= 0;
1685 next if $seen{$clean}++;
1686 push @emails, $entry;
e205735d
RA
1687 }
1688 return @emails;
1689}
747bbff9
JK
1690
1691sub validate_patch {
1692 my $fn = shift;
1693 open(my $fh, '<', $fn)
1694 or die "unable to open $fn: $!\n";
1695 while (my $line = <$fh>) {
1696 if (length($line) > 998) {
1697 return "$.: patch contains a line longer than 998 characters";
1698 }
1699 }
622bc930 1700 return;
747bbff9 1701}
0706bd19
JK
1702
1703sub file_has_nonascii {
1704 my $fn = shift;
1705 open(my $fh, '<', $fn)
1706 or die "unable to open $fn: $!\n";
1707 while (my $line = <$fh>) {
1708 return 1 if $line =~ /[^[:ascii:]]/;
1709 }
1710 return 0;
1711}
3cae7e5b
TR
1712
1713sub body_or_subject_has_nonascii {
1714 my $fn = shift;
1715 open(my $fh, '<', $fn)
1716 or die "unable to open $fn: $!\n";
1717 while (my $line = <$fh>) {
1718 last if $line =~ /^$/;
1719 return 1 if $line =~ /^Subject.*[^[:ascii:]]/;
1720 }
1721 while (my $line = <$fh>) {
1722 return 1 if $line =~ /[^[:ascii:]]/;
1723 }
1724 return 0;
1725}