Git 2.12.3
[git/git.git] / git-send-email.perl
CommitLineData
3328aced 1#!/usr/bin/perl
83b24437 2#
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3# Copyright 2002,2005 Greg Kroah-Hartman <greg@kroah.com>
4# Copyright 2005 Ryan Anderson <ryan@michonline.com>
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5#
6# GPL v2 (See COPYING)
5825e5b2 7#
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8# Ported to support git "mbox" format files by Ryan Anderson <ryan@michonline.com>
9#
f3d9f354 10# Sends a collection of emails to the given email addresses, disturbingly fast.
5825e5b2 11#
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12# Supports two formats:
13# 1. mbox format files (ignoring most headers and MIME formatting - this is designed for sending patches)
14# 2. The original format support by Greg's script:
5825e5b2 15# first line of the message is who to CC,
f3d9f354 16# and second line is the subject of the message.
5825e5b2 17#
83b24437 18
d48b2841 19use 5.008;
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20use strict;
21use warnings;
f916ab0c 22use POSIX qw/strftime/;
83b24437 23use Term::ReadLine;
83b24437 24use Getopt::Long;
0e73b3ee 25use Text::ParseWords;
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;
a4dde4c4 31use Git::I18N;
83b24437 32
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33Getopt::Long::Configure qw/ pass_through /;
34
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35package FakeTerm;
36sub new {
37 my ($class, $reason) = @_;
38 return bless \$reason, shift;
39}
40sub readline {
41 my $self = shift;
42 die "Cannot use readline on FakeTerm: $$self";
43}
44package main;
45
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46
47sub usage {
48 print <<EOT;
5df9fcf6 49git send-email [options] <file | directory | rev-list options >
17b7a832 50git send-email --dump-aliases
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51
52 Composing:
53 --from <str> * Email From:
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54 --[no-]to <str> * Email To:
55 --[no-]cc <str> * Email Cc:
56 --[no-]bcc <str> * Email Bcc:
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57 --subject <str> * Email "Subject:"
58 --in-reply-to <str> * Email "In-Reply-To:"
ac1596a6 59 --[no-]xmailer * Add "X-Mailer:" header (default).
402596aa 60 --[no-]annotate * Review each patch that will be sent in an editor.
4ed62b03 61 --compose * Open an editor for introduction.
62e00690 62 --compose-encoding <str> * Encoding to assume for introduction.
3cae7e5b 63 --8bit-encoding <str> * Encoding to assume 8bit mails if undeclared
8d814084 64 --transfer-encoding <str> * Transfer encoding to use (quoted-printable, 8bit, base64)
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65
66 Sending:
67 --envelope-sender <str> * Email envelope sender.
68 --smtp-server <str:int> * Outgoing SMTP server to use. The port
69 is optional. Default 'localhost'.
052fbea2 70 --smtp-server-option <str> * Outgoing SMTP server option to use.
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71 --smtp-server-port <int> * Outgoing SMTP server port.
72 --smtp-user <str> * Username for SMTP-AUTH.
73 --smtp-pass <str> * Password for SMTP-AUTH; not necessary.
74 --smtp-encryption <str> * tls or ssl; anything else disables.
75 --smtp-ssl * Deprecated. Use '--smtp-encryption ssl'.
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76 --smtp-ssl-cert-path <str> * Path to ca-certificates (either directory or file).
77 Pass an empty string to disable certificate
78 verification.
134550fe 79 --smtp-domain <str> * The domain name sent to HELO/EHLO handshake
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80 --smtp-auth <str> * Space-separated list of allowed AUTH mechanisms.
81 This setting forces to use one of the listed mechanisms.
f60812ef 82 --smtp-debug <0|1> * Disable, enable Net::SMTP debug.
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83
84 Automating:
85 --identity <str> * Use the sendemail.<id> options.
6e74e075 86 --to-cmd <str> * Email To: via `<str> \$patch_path`
4ed62b03 87 --cc-cmd <str> * Email Cc: via `<str> \$patch_path`
3531e270 88 --suppress-cc <str> * author, self, sob, cc, cccmd, body, bodycc, all.
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89 --[no-]cc-cover * Email Cc: addresses in the cover letter.
90 --[no-]to-cover * Email To: addresses in the cover letter.
3531e270 91 --[no-]signed-off-by-cc * Send to Signed-off-by: addresses. Default on.
4ed62b03 92 --[no-]suppress-from * Send to self. Default off.
41fe87fa 93 --[no-]chain-reply-to * Chain In-Reply-To: fields. Default off.
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MW
94 --[no-]thread * Use In-Reply-To: field. Default on.
95
96 Administering:
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97 --confirm <str> * Confirm recipients before sending;
98 auto, cc, compose, always, or never.
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99 --quiet * Output one line of info per email.
100 --dry-run * Don't actually send the emails.
101 --[no-]validate * Perform patch sanity checks. Default on.
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102 --[no-]format-patch * understand any non optional arguments as
103 `git format-patch` ones.
a03bc5b6 104 --force * Send even if safety checks would prevent it.
c764a0c2 105
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106 Information:
107 --dump-aliases * Dump configured aliases and exit.
108
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109EOT
110 exit(1);
111}
112
4bc87a28 113# most mail servers generate the Date: header, but not all...
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114sub format_2822_time {
115 my ($time) = @_;
116 my @localtm = localtime($time);
117 my @gmttm = gmtime($time);
118 my $localmin = $localtm[1] + $localtm[2] * 60;
119 my $gmtmin = $gmttm[1] + $gmttm[2] * 60;
120 if ($localtm[0] != $gmttm[0]) {
46493105 121 die __("local zone differs from GMT by a non-minute interval\n");
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122 }
123 if ((($gmttm[6] + 1) % 7) == $localtm[6]) {
124 $localmin += 1440;
125 } elsif ((($gmttm[6] - 1) % 7) == $localtm[6]) {
126 $localmin -= 1440;
127 } elsif ($gmttm[6] != $localtm[6]) {
46493105 128 die __("local time offset greater than or equal to 24 hours\n");
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129 }
130 my $offset = $localmin - $gmtmin;
131 my $offhour = $offset / 60;
132 my $offmin = abs($offset % 60);
133 if (abs($offhour) >= 24) {
46493105 134 die __("local time offset greater than or equal to 24 hours\n");
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135 }
136
137 return sprintf("%s, %2d %s %d %02d:%02d:%02d %s%02d%02d",
138 qw(Sun Mon Tue Wed Thu Fri Sat)[$localtm[6]],
139 $localtm[3],
140 qw(Jan Feb Mar Apr May Jun
141 Jul Aug Sep Oct Nov Dec)[$localtm[4]],
142 $localtm[5]+1900,
143 $localtm[2],
144 $localtm[1],
145 $localtm[0],
146 ($offset >= 0) ? '+' : '-',
147 abs($offhour),
148 $offmin,
149 );
150}
4bc87a28 151
567ffeb7 152my $have_email_valid = eval { require Email::Valid; 1 };
5012699d 153my $have_mail_address = eval { require Mail::Address; 1 };
4bc87a28 154my $smtp;
5f5b6118 155my $auth;
4bc87a28 156
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157# Regexes for RFC 2047 productions.
158my $re_token = qr/[^][()<>@,;:\\"\/?.= \000-\037\177-\377]+/;
159my $re_encoded_text = qr/[^? \000-\037\177-\377]+/;
160my $re_encoded_word = qr/=\?($re_token)\?($re_token)\?($re_encoded_text)\?=/;
161
83b24437 162# Variables we fill in automatically, or via prompting:
3c3bb51c 163my (@to,$no_to,@initial_to,@cc,$no_cc,@initial_cc,@bcclist,$no_bcc,@xh,
8fd5bb7f 164 $initial_reply_to,$initial_subject,@files,
ac1596a6 165 $author,$sender,$smtp_authpass,$annotate,$use_xmailer,$compose,$time);
83b24437 166
f073a592 167my $envelope_sender;
78488b2c 168
9133261f 169# Example reply to:
83b24437 170#$initial_reply_to = ''; #<20050203173208.GA23964@foobar.com>';
83b24437 171
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172my $repo = eval { Git->repository() };
173my @repo = $repo ? ($repo) : ();
280242d1 174my $term = eval {
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175 $ENV{"GIT_SEND_EMAIL_NOTTY"}
176 ? new Term::ReadLine 'git-send-email', \*STDIN, \*STDOUT
177 : new Term::ReadLine 'git-send-email';
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178};
179if ($@) {
180 $term = new FakeTerm "$@: going non-interactive";
181}
83b24437 182
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183# Behavior modification variables
184my ($quiet, $dry_run) = (0, 0);
5df9fcf6 185my $format_patch;
afe756c9 186my $compose_filename;
a03bc5b6 187my $force = 0;
17b7a832 188my $dump_aliases = 0;
5483c71d 189
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190# Handle interactive edition of files.
191my $multiedit;
0ce142c9 192my $editor;
b4479f07 193
8fd5bb7f 194sub do_edit {
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195 if (!defined($editor)) {
196 $editor = Git::command_oneline('var', 'GIT_EDITOR');
197 }
8fd5bb7f 198 if (defined($multiedit) && !$multiedit) {
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199 map {
200 system('sh', '-c', $editor.' "$@"', $editor, $_);
201 if (($? & 127) || ($? >> 8)) {
46493105 202 die(__("the editor exited uncleanly, aborting everything"));
beece9da
PH
203 }
204 } @_;
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205 } else {
206 system('sh', '-c', $editor.' "$@"', $editor, @_);
beece9da 207 if (($? & 127) || ($? >> 8)) {
46493105 208 die(__("the editor exited uncleanly, aborting everything"));
beece9da 209 }
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PH
210 }
211}
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212
213# Variables with corresponding config settings
6e74e075 214my ($thread, $chain_reply_to, $suppress_from, $signed_off_by_cc);
f515c904 215my ($cover_cc, $cover_to);
6e74e075 216my ($to_cmd, $cc_cmd);
052fbea2 217my ($smtp_server, $smtp_server_port, @smtp_server_options);
35035bbf 218my ($smtp_authuser, $smtp_encryption, $smtp_ssl_cert_path);
0f2e68b5 219my ($identity, $aliasfiletype, @alias_files, $smtp_domain, $smtp_auth);
c1f2aa45 220my ($validate, $confirm);
65648283 221my (@suppress_cc);
3cae7e5b 222my ($auto_8bit_encoding);
62e00690 223my ($compose_encoding);
8d814084 224my ($target_xfer_encoding);
5483c71d 225
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226my ($debug_net_smtp) = 0; # Net::SMTP, see send_message()
227
34cc60ce 228my %config_bool_settings = (
5483c71d 229 "thread" => [\$thread, 1],
b99d22f2 230 "chainreplyto" => [\$chain_reply_to, 0],
65648283 231 "suppressfrom" => [\$suppress_from, undef],
ddc3d4fe 232 "signedoffbycc" => [\$signed_off_by_cc, undef],
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MT
233 "cccover" => [\$cover_cc, undef],
234 "tocover" => [\$cover_to, undef],
ddc3d4fe 235 "signedoffcc" => [\$signed_off_by_cc, undef], # Deprecated
dbf5e1e9 236 "validate" => [\$validate, 1],
402596aa 237 "multiedit" => [\$multiedit, undef],
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238 "annotate" => [\$annotate, undef],
239 "xmailer" => [\$use_xmailer, 1]
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240);
241
34cc60ce
DS
242my %config_settings = (
243 "smtpserver" => \$smtp_server,
44b2476a 244 "smtpserverport" => \$smtp_server_port,
052fbea2 245 "smtpserveroption" => \@smtp_server_options,
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DS
246 "smtpuser" => \$smtp_authuser,
247 "smtppass" => \$smtp_authpass,
e1e9115d 248 "smtpdomain" => \$smtp_domain,
0f2e68b5 249 "smtpauth" => \$smtp_auth,
3c3bb51c 250 "to" => \@initial_to,
6e74e075 251 "tocmd" => \$to_cmd,
5f8b9fcd 252 "cc" => \@initial_cc,
34cc60ce
DS
253 "cccmd" => \$cc_cmd,
254 "aliasfiletype" => \$aliasfiletype,
255 "bcc" => \@bcclist,
65648283 256 "suppresscc" => \@suppress_cc,
9f7820ae 257 "envelopesender" => \$envelope_sender,
c1f2aa45 258 "confirm" => \$confirm,
09caa24f 259 "from" => \$sender,
3cae7e5b 260 "assume8bitencoding" => \$auto_8bit_encoding,
62e00690 261 "composeencoding" => \$compose_encoding,
8d814084 262 "transferencoding" => \$target_xfer_encoding,
34cc60ce 263);
4a62d3f5 264
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CS
265my %config_path_settings = (
266 "aliasesfile" => \@alias_files,
6e07a3b5 267 "smtpsslcertpath" => \$smtp_ssl_cert_path,
cec5dae8
CS
268);
269
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MW
270# Handle Uncouth Termination
271sub signal_handler {
272
273 # Make text normal
274 print color("reset"), "\n";
275
276 # SMTP password masked
277 system "stty echo";
278
279 # tmp files from --compose
afe756c9
JS
280 if (defined $compose_filename) {
281 if (-e $compose_filename) {
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VA
282 printf __("'%s' contains an intermediate version ".
283 "of the email you were composing.\n"),
284 $compose_filename;
afe756c9
JS
285 }
286 if (-e ($compose_filename . ".final")) {
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VA
287 printf __("'%s.final' contains the composed email.\n"),
288 $compose_filename;
afe756c9 289 }
87429976
MW
290 }
291
292 exit;
293};
294
295$SIG{TERM} = \&signal_handler;
296$SIG{INT} = \&signal_handler;
297
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RA
298# Begin by accumulating all the variables (defined above), that we will end up
299# needing, first, from the command line:
300
c5978246
CB
301my $help;
302my $rc = GetOptions("h" => \$help,
17b7a832
JK
303 "dump-aliases" => \$dump_aliases);
304usage() unless $rc;
46493105 305die __("--dump-aliases incompatible with other options\n")
17b7a832
JK
306 if !$help and $dump_aliases and @ARGV;
307$rc = GetOptions(
c5978246 308 "sender|from=s" => \$sender,
83b24437
RA
309 "in-reply-to=s" => \$initial_reply_to,
310 "subject=s" => \$initial_subject,
3c3bb51c 311 "to=s" => \@initial_to,
6e74e075 312 "to-cmd=s" => \$to_cmd,
f434c083 313 "no-to" => \$no_to,
da140f8b 314 "cc=s" => \@initial_cc,
f434c083 315 "no-cc" => \$no_cc,
58063245 316 "bcc=s" => \@bcclist,
f434c083 317 "no-bcc" => \$no_bcc,
78488b2c 318 "chain-reply-to!" => \$chain_reply_to,
f4714943 319 "no-chain-reply-to" => sub {$chain_reply_to = 0},
3342d850 320 "smtp-server=s" => \$smtp_server,
052fbea2 321 "smtp-server-option=s" => \@smtp_server_options,
44b2476a 322 "smtp-server-port=s" => \$smtp_server_port,
34cc60ce 323 "smtp-user=s" => \$smtp_authuser,
2363d746 324 "smtp-pass:s" => \$smtp_authpass,
f6bebd12
TR
325 "smtp-ssl" => sub { $smtp_encryption = 'ssl' },
326 "smtp-encryption=s" => \$smtp_encryption,
979e652a 327 "smtp-ssl-cert-path=s" => \$smtp_ssl_cert_path,
f60812ef 328 "smtp-debug:i" => \$debug_net_smtp,
69cf7bfd 329 "smtp-domain:s" => \$smtp_domain,
0f2e68b5 330 "smtp-auth=s" => \$smtp_auth,
34cc60ce 331 "identity=s" => \$identity,
402596aa 332 "annotate!" => \$annotate,
f4714943 333 "no-annotate" => sub {$annotate = 0},
1f038a0c 334 "compose" => \$compose,
30d08b34 335 "quiet" => \$quiet,
324a8bd0 336 "cc-cmd=s" => \$cc_cmd,
5483c71d 337 "suppress-from!" => \$suppress_from,
f4714943 338 "no-suppress-from" => sub {$suppress_from = 0},
65648283 339 "suppress-cc=s" => \@suppress_cc,
ddc3d4fe 340 "signed-off-cc|signed-off-by-cc!" => \$signed_off_by_cc,
f4714943 341 "no-signed-off-cc|no-signed-off-by-cc" => sub {$signed_off_by_cc = 0},
f515c904 342 "cc-cover|cc-cover!" => \$cover_cc,
f4714943 343 "no-cc-cover" => sub {$cover_cc = 0},
f515c904 344 "to-cover|to-cover!" => \$cover_to,
f4714943 345 "no-to-cover" => sub {$cover_to = 0},
c1f2aa45 346 "confirm=s" => \$confirm,
6130259c 347 "dry-run" => \$dry_run,
f073a592 348 "envelope-sender=s" => \$envelope_sender,
5483c71d 349 "thread!" => \$thread,
f4714943 350 "no-thread" => sub {$thread = 0},
dbf5e1e9 351 "validate!" => \$validate,
f4714943 352 "no-validate" => sub {$validate = 0},
8d814084 353 "transfer-encoding=s" => \$target_xfer_encoding,
5df9fcf6 354 "format-patch!" => \$format_patch,
f4714943 355 "no-format-patch" => sub {$format_patch = 0},
3cae7e5b 356 "8bit-encoding=s" => \$auto_8bit_encoding,
62e00690 357 "compose-encoding=s" => \$compose_encoding,
a03bc5b6 358 "force" => \$force,
ac1596a6 359 "xmailer!" => \$use_xmailer,
f4714943 360 "no-xmailer" => sub {$use_xmailer = 0},
83b24437
RA
361 );
362
c5978246 363usage() if $help;
1b0baf14
MC
364unless ($rc) {
365 usage();
366}
367
46493105 368die __("Cannot run git format-patch from outside a repository\n")
eed6ca7c
JS
369 if $format_patch and not $repo;
370
34cc60ce
DS
371# Now, let's fill any that aren't set in with defaults:
372
373sub read_config {
374 my ($prefix) = @_;
375
376 foreach my $setting (keys %config_bool_settings) {
377 my $target = $config_bool_settings{$setting}->[0];
ad79c024 378 $$target = Git::config_bool(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
379 }
380
cec5dae8 381 foreach my $setting (keys %config_path_settings) {
463b0ea2
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382 my $target = $config_path_settings{$setting};
383 if (ref($target) eq "ARRAY") {
384 unless (@$target) {
385 my @values = Git::config_path(@repo, "$prefix.$setting");
386 @$target = @values if (@values && defined $values[0]);
387 }
388 }
389 else {
390 $$target = Git::config_path(@repo, "$prefix.$setting") unless (defined $$target);
391 }
cec5dae8
CS
392 }
393
34cc60ce
DS
394 foreach my $setting (keys %config_settings) {
395 my $target = $config_settings{$setting};
f434c083
SB
396 next if $setting eq "to" and defined $no_to;
397 next if $setting eq "cc" and defined $no_cc;
398 next if $setting eq "bcc" and defined $no_bcc;
34cc60ce
DS
399 if (ref($target) eq "ARRAY") {
400 unless (@$target) {
ad79c024 401 my @values = Git::config(@repo, "$prefix.$setting");
34cc60ce
DS
402 @$target = @values if (@values && defined $values[0]);
403 }
404 }
405 else {
ad79c024 406 $$target = Git::config(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
407 }
408 }
f6bebd12
TR
409
410 if (!defined $smtp_encryption) {
411 my $enc = Git::config(@repo, "$prefix.smtpencryption");
412 if (defined $enc) {
413 $smtp_encryption = $enc;
414 } elsif (Git::config_bool(@repo, "$prefix.smtpssl")) {
415 $smtp_encryption = 'ssl';
416 }
417 }
34cc60ce
DS
418}
419
420# read configuration from [sendemail "$identity"], fall back on [sendemail]
ad79c024 421$identity = Git::config(@repo, "sendemail.identity") unless (defined $identity);
34cc60ce
DS
422read_config("sendemail.$identity") if (defined $identity);
423read_config("sendemail");
424
425# fall back on builtin bool defaults
426foreach my $setting (values %config_bool_settings) {
427 ${$setting->[0]} = $setting->[1] unless (defined (${$setting->[0]}));
428}
429
fa835cd5
TR
430# 'default' encryption is none -- this only prevents a warning
431$smtp_encryption = '' unless (defined $smtp_encryption);
432
65648283
DB
433# Set CC suppressions
434my(%suppress_cc);
435if (@suppress_cc) {
436 foreach my $entry (@suppress_cc) {
3c5cd20c 437 die sprintf(__("Unknown --suppress-cc field: '%s'\n"), $entry)
e9bf741b 438 unless $entry =~ /^(?:all|cccmd|cc|author|self|sob|body|bodycc)$/;
65648283
DB
439 $suppress_cc{$entry} = 1;
440 }
441}
442
443if ($suppress_cc{'all'}) {
cb8a9bd5 444 foreach my $entry (qw (cccmd cc author self sob body bodycc)) {
65648283
DB
445 $suppress_cc{$entry} = 1;
446 }
447 delete $suppress_cc{'all'};
448}
449
450# If explicit old-style ones are specified, they trump --suppress-cc.
451$suppress_cc{'self'} = $suppress_from if defined $suppress_from;
ddc3d4fe 452$suppress_cc{'sob'} = !$signed_off_by_cc if defined $signed_off_by_cc;
65648283 453
3531e270
JS
454if ($suppress_cc{'body'}) {
455 foreach my $entry (qw (sob bodycc)) {
456 $suppress_cc{$entry} = 1;
457 }
458 delete $suppress_cc{'body'};
459}
460
c1f2aa45
JS
461# Set confirm's default value
462my $confirm_unconfigured = !defined $confirm;
463if ($confirm_unconfigured) {
464 $confirm = scalar %suppress_cc ? 'compose' : 'auto';
465};
3c5cd20c 466die sprintf(__("Unknown --confirm setting: '%s'\n"), $confirm)
c1f2aa45
JS
467 unless $confirm =~ /^(?:auto|cc|compose|always|never)/;
468
65648283
DB
469# Debugging, print out the suppressions.
470if (0) {
471 print "suppressions:\n";
472 foreach my $entry (keys %suppress_cc) {
473 printf " %-5s -> $suppress_cc{$entry}\n", $entry;
474 }
475}
476
ad79c024
FL
477my ($repoauthor, $repocommitter);
478($repoauthor) = Git::ident_person(@repo, 'author');
479($repocommitter) = Git::ident_person(@repo, 'committer');
34cc60ce 480
5012699d
JS
481sub parse_address_line {
482 if ($have_mail_address) {
483 return map { $_->format } Mail::Address->parse($_[0]);
484 } else {
8d314d7a 485 return Git::parse_mailboxes($_[0]);
5012699d
JS
486 }
487}
488
0e73b3ee 489sub split_addrs {
2f0e7cbb 490 return quotewords('\s*,\s*', 1, @_);
0e73b3ee
WF
491}
492
994d6c66 493my %aliases;
09f1157b
ES
494
495sub parse_sendmail_alias {
496 local $_ = shift;
497 if (/"/) {
3c5cd20c 498 printf STDERR __("warning: sendmail alias with quotes is not supported: %s\n"), $_;
86b89848 499 } elsif (/:include:/) {
3c5cd20c 500 printf STDERR __("warning: `:include:` not supported: %s\n"), $_;
86b89848 501 } elsif (/[\/|]/) {
3c5cd20c 502 printf STDERR __("warning: `/file` or `|pipe` redirection not supported: %s\n"), $_;
09f1157b
ES
503 } elsif (/^(\S+?)\s*:\s*(.+)$/) {
504 my ($alias, $addr) = ($1, $2);
505 $aliases{$alias} = [ split_addrs($addr) ];
506 } else {
3c5cd20c 507 printf STDERR __("warning: sendmail line is not recognized: %s\n"), $_;
09f1157b
ES
508 }
509}
510
511sub parse_sendmail_aliases {
512 my $fh = shift;
2532dd06 513 my $s = '';
09f1157b 514 while (<$fh>) {
2532dd06 515 chomp;
020be85f 516 next if /^\s*$/ || /^\s*#/;
2532dd06
ES
517 $s .= $_, next if $s =~ s/\\$// || s/^\s+//;
518 parse_sendmail_alias($s) if $s;
519 $s = $_;
09f1157b 520 }
2532dd06
ES
521 $s =~ s/\\$//; # silently tolerate stray '\' on last line
522 parse_sendmail_alias($s) if $s;
09f1157b
ES
523}
524
994d6c66
EW
525my %parse_alias = (
526 # multiline formats can be supported in the future
527 mutt => sub { my $fh = shift; while (<$fh>) {
ffc01f9b 528 if (/^\s*alias\s+(?:-group\s+\S+\s+)*(\S+)\s+(.*)$/) {
994d6c66
EW
529 my ($alias, $addr) = ($1, $2);
530 $addr =~ s/#.*$//; # mutt allows # comments
2c510f21
EW
531 # commas delimit multiple addresses
532 my @addr = split_addrs($addr);
533
534 # quotes may be escaped in the file,
535 # unescape them so we do not double-escape them later.
536 s/\\"/"/g foreach @addr;
537 $aliases{$alias} = \@addr
994d6c66
EW
538 }}},
539 mailrc => sub { my $fh = shift; while (<$fh>) {
a277d1ef 540 if (/^alias\s+(\S+)\s+(.*?)\s*$/) {
994d6c66 541 # spaces delimit multiple addresses
fe87c921 542 $aliases{$1} = [ quotewords('\s+', 0, $2) ];
994d6c66 543 }}},
73c427eb
TP
544 pine => sub { my $fh = shift; my $f='\t[^\t]*';
545 for (my $x = ''; defined($x); $x = $_) {
546 chomp $x;
547 $x .= $1 while(defined($_ = <$fh>) && /^ +(.*)$/);
548 $x =~ /^(\S+)$f\t\(?([^\t]+?)\)?(:?$f){0,2}$/ or next;
0e73b3ee 549 $aliases{$1} = [ split_addrs($2) ];
73c427eb 550 }},
7613ea35
BP
551 elm => sub { my $fh = shift;
552 while (<$fh>) {
553 if (/^(\S+)\s+=\s+[^=]+=\s(\S+)/) {
554 my ($alias, $addr) = ($1, $2);
555 $aliases{$alias} = [ split_addrs($addr) ];
556 }
557 } },
09f1157b 558 sendmail => \&parse_sendmail_aliases,
994d6c66
EW
559 gnus => sub { my $fh = shift; while (<$fh>) {
560 if (/\(define-mail-alias\s+"(\S+?)"\s+"(\S+?)"\)/) {
561 $aliases{$1} = [ $2 ];
562 }}}
563);
564
3cb8caf7 565if (@alias_files and $aliasfiletype and defined $parse_alias{$aliasfiletype}) {
994d6c66
EW
566 foreach my $file (@alias_files) {
567 open my $fh, '<', $file or die "opening $file: $!\n";
568 $parse_alias{$aliasfiletype}->($fh);
569 close $fh;
570 }
571}
572
17b7a832
JK
573if ($dump_aliases) {
574 print "$_\n" for (sort keys %aliases);
575 exit(0);
576}
577
9b397039
RR
578# is_format_patch_arg($f) returns 0 if $f names a patch, or 1 if
579# $f is a revision list specification to be passed to format-patch.
580sub is_format_patch_arg {
eed6ca7c 581 return unless $repo;
5df9fcf6
PH
582 my $f = shift;
583 try {
584 $repo->command('rev-parse', '--verify', '--quiet', $f);
585 if (defined($format_patch)) {
5df9fcf6
PH
586 return $format_patch;
587 }
3c5cd20c
VA
588 die sprintf(__ <<EOF, $f, $f);
589File '%s' exists but it could also be the range of commits
5df9fcf6
PH
590to produce patches for. Please disambiguate by...
591
3c5cd20c 592 * Saying "./%s" if you mean a file; or
5df9fcf6
PH
593 * Giving --format-patch option if you mean a range.
594EOF
595 } catch Git::Error::Command with {
9b397039 596 # Not a valid revision. Treat it as a filename.
5df9fcf6
PH
597 return 0;
598 }
599}
600
aa54892f
JK
601# Now that all the defaults are set, process the rest of the command line
602# arguments and collect up the files that need to be processed.
5df9fcf6 603my @rev_list_opts;
69f4ce55 604while (defined(my $f = shift @ARGV)) {
5df9fcf6
PH
605 if ($f eq "--") {
606 push @rev_list_opts, "--", @ARGV;
607 @ARGV = ();
9b397039 608 } elsif (-d $f and !is_format_patch_arg($f)) {
c6038169 609 opendir my $dh, $f
3c5cd20c 610 or die sprintf(__("Failed to opendir %s: %s"), $f, $!);
aa54892f 611
89bf1bac 612 push @files, grep { -f $_ } map { catfile($f, $_) }
c6038169
ÆAB
613 sort readdir $dh;
614 closedir $dh;
9b397039 615 } elsif ((-f $f or -p $f) and !is_format_patch_arg($f)) {
aa54892f 616 push @files, $f;
aa54892f 617 } else {
5df9fcf6 618 push @rev_list_opts, $f;
aa54892f
JK
619 }
620}
621
5df9fcf6 622if (@rev_list_opts) {
46493105 623 die __("Cannot run git format-patch from outside a repository\n")
eed6ca7c 624 unless $repo;
5df9fcf6
PH
625 push @files, $repo->command('format-patch', '-o', tempdir(CLEANUP => 1), @rev_list_opts);
626}
627
531220ba
JH
628@files = handle_backup_files(@files);
629
dbf5e1e9 630if ($validate) {
c764a0c2 631 foreach my $f (@files) {
300913bd
KB
632 unless (-p $f) {
633 my $error = validate_patch($f);
3c5cd20c
VA
634 $error and die sprintf(__("fatal: %s: %s\nwarning: no patches were sent\n"),
635 $f, $error);
300913bd 636 }
c764a0c2 637 }
747bbff9
JK
638}
639
aa54892f
JK
640if (@files) {
641 unless ($quiet) {
642 print $_,"\n" for (@files);
643 }
644} else {
46493105 645 print STDERR __("\nNo patch files specified!\n\n");
aa54892f
JK
646 usage();
647}
648
acf071b0 649sub get_patch_subject {
beece9da
PH
650 my $fn = shift;
651 open (my $fh, '<', $fn);
652 while (my $line = <$fh>) {
653 next unless ($line =~ /^Subject: (.*)$/);
654 close $fh;
655 return "GIT: $1\n";
656 }
657 close $fh;
3c5cd20c 658 die sprintf(__("No subject line in %s?"), $fn);
beece9da
PH
659}
660
661if ($compose) {
662 # Note that this does not need to be secure, but we will make a small
663 # effort to have it be unique
afe756c9
JS
664 $compose_filename = ($repo ?
665 tempfile(".gitsendemail.msg.XXXXXX", DIR => $repo->repo_path()) :
666 tempfile(".gitsendemail.msg.XXXXXX", DIR => "."))[1];
fe0f944f 667 open my $c, ">", $compose_filename
3c5cd20c 668 or die sprintf(__("Failed to open for writing %s: %s"), $compose_filename, $!);
beece9da
PH
669
670
671 my $tpl_sender = $sender || $repoauthor || $repocommitter || '';
672 my $tpl_subject = $initial_subject || '';
673 my $tpl_reply_to = $initial_reply_to || '';
674
70aedfb3 675 print $c <<EOT1, Git::prefix_lines("GIT: ", __ <<EOT2), <<EOT3;
beece9da 676From $tpl_sender # This line is ignored.
70aedfb3
VA
677EOT1
678Lines beginning in "GIT:" will be removed.
679Consider including an overall diffstat or table of contents
680for the patch you are writing.
681
682Clear the body content if you don't wish to send a summary.
683EOT2
beece9da
PH
684From: $tpl_sender
685Subject: $tpl_subject
686In-Reply-To: $tpl_reply_to
687
70aedfb3 688EOT3
beece9da 689 for my $f (@files) {
fe0f944f 690 print $c get_patch_subject($f);
beece9da 691 }
fe0f944f 692 close $c;
beece9da 693
beece9da
PH
694 if ($annotate) {
695 do_edit($compose_filename, @files);
696 } else {
697 do_edit($compose_filename);
698 }
699
fe0f944f 700 open my $c2, ">", $compose_filename . ".final"
3c5cd20c 701 or die sprintf(__("Failed to open %s.final: %s"), $compose_filename, $!);
beece9da 702
fe0f944f 703 open $c, "<", $compose_filename
3c5cd20c 704 or die sprintf(__("Failed to open %s: %s"), $compose_filename, $!);
beece9da
PH
705
706 my $need_8bit_cte = file_has_nonascii($compose_filename);
707 my $in_body = 0;
708 my $summary_empty = 1;
4a47a4dd
KM
709 if (!defined $compose_encoding) {
710 $compose_encoding = "UTF-8";
711 }
fe0f944f 712 while(<$c>) {
40e6e8a0 713 next if m/^GIT:/;
beece9da
PH
714 if ($in_body) {
715 $summary_empty = 0 unless (/^\n$/);
716 } elsif (/^\n$/) {
717 $in_body = 1;
718 if ($need_8bit_cte) {
fe0f944f 719 print $c2 "MIME-Version: 1.0\n",
beece9da 720 "Content-Type: text/plain; ",
62e00690 721 "charset=$compose_encoding\n",
beece9da
PH
722 "Content-Transfer-Encoding: 8bit\n";
723 }
724 } elsif (/^MIME-Version:/i) {
725 $need_8bit_cte = 0;
726 } elsif (/^Subject:\s*(.+)\s*$/i) {
727 $initial_subject = $1;
728 my $subject = $initial_subject;
729 $_ = "Subject: " .
ce547800 730 quote_subject($subject, $compose_encoding) .
beece9da
PH
731 "\n";
732 } elsif (/^In-Reply-To:\s*(.+)\s*$/i) {
733 $initial_reply_to = $1;
734 next;
735 } elsif (/^From:\s*(.+)\s*$/i) {
736 $sender = $1;
737 next;
738 } elsif (/^(?:To|Cc|Bcc):/i) {
46493105 739 print __("To/Cc/Bcc fields are not interpreted yet, they have been ignored\n");
beece9da
PH
740 next;
741 }
fe0f944f 742 print $c2 $_;
beece9da 743 }
fe0f944f
ÆAB
744 close $c;
745 close $c2;
beece9da
PH
746
747 if ($summary_empty) {
46493105 748 print __("Summary email is empty, skipping it\n");
beece9da
PH
749 $compose = -1;
750 }
751} elsif ($annotate) {
752 do_edit(@files);
753}
754
6e182518
JS
755sub ask {
756 my ($prompt, %arg) = @_;
0da43a68 757 my $valid_re = $arg{valid_re};
6e182518 758 my $default = $arg{default};
51bbccfd 759 my $confirm_only = $arg{confirm_only};
6e182518
JS
760 my $resp;
761 my $i = 0;
5906f54e
JS
762 return defined $default ? $default : undef
763 unless defined $term->IN and defined fileno($term->IN) and
764 defined $term->OUT and defined fileno($term->OUT);
6e182518
JS
765 while ($i++ < 10) {
766 $resp = $term->readline($prompt);
767 if (!defined $resp) { # EOF
768 print "\n";
769 return defined $default ? $default : undef;
770 }
771 if ($resp eq '' and defined $default) {
772 return $default;
773 }
0da43a68 774 if (!defined $valid_re or $resp =~ /$valid_re/) {
6e182518
JS
775 return $resp;
776 }
51bbccfd 777 if ($confirm_only) {
3c5cd20c
VA
778 my $yesno = $term->readline(
779 # TRANSLATORS: please keep [y/N] as is.
780 sprintf(__("Are you sure you want to use <%s> [y/N]? "), $resp));
51bbccfd
JH
781 if (defined $yesno && $yesno =~ /y/i) {
782 return $resp;
783 }
784 }
6e182518 785 }
622bc930 786 return;
6e182518
JS
787}
788
3cae7e5b
TR
789my %broken_encoding;
790
1d50bfd9 791sub file_declares_8bit_cte {
3cae7e5b
TR
792 my $fn = shift;
793 open (my $fh, '<', $fn);
794 while (my $line = <$fh>) {
795 last if ($line =~ /^$/);
796 return 1 if ($line =~ /^Content-Transfer-Encoding: .*8bit.*$/);
797 }
798 close $fh;
799 return 0;
800}
801
802foreach my $f (@files) {
803 next unless (body_or_subject_has_nonascii($f)
804 && !file_declares_8bit_cte($f));
805 $broken_encoding{$f} = 1;
806}
807
808if (!defined $auto_8bit_encoding && scalar %broken_encoding) {
a4dde4c4
VA
809 print __("The following files are 8bit, but do not declare " .
810 "a Content-Transfer-Encoding.\n");
3cae7e5b
TR
811 foreach my $f (sort keys %broken_encoding) {
812 print " $f\n";
813 }
a4dde4c4 814 $auto_8bit_encoding = ask(__("Which 8bit encoding should I declare [UTF-8]? "),
852a15d7 815 valid_re => qr/.{4}/, confirm_only => 1,
3cae7e5b
TR
816 default => "UTF-8");
817}
818
a03bc5b6
TR
819if (!$force) {
820 for my $f (@files) {
0d290a46 821 if (get_patch_subject($f) =~ /\Q*** SUBJECT HERE ***\E/) {
3c5cd20c 822 die sprintf(__("Refusing to send because the patch\n\t%s\n"
a03bc5b6 823 . "has the template subject '*** SUBJECT HERE ***'. "
3c5cd20c 824 . "Pass --force if you really want to send.\n"), $f);
a03bc5b6
TR
825 }
826 }
827}
828
c46e27aa 829if (defined $sender) {
fa5b1aa9 830 $sender =~ s/^\s+|\s+$//g;
c46e27aa
RL
831 ($sender) = expand_aliases($sender);
832} else {
ad79c024 833 $sender = $repoauthor || $repocommitter || '';
83b24437
RA
834}
835
da18759e
MT
836# $sender could be an already sanitized address
837# (e.g. sendemail.from could be manually sanitized by user).
838# But it's a no-op to run sanitize_address on an already sanitized address.
839$sender = sanitize_address($sender);
840
a4dde4c4 841my $to_whom = __("To whom should the emails be sent (if anyone)?");
8cac13dc 842my $prompting = 0;
8796ff7f 843if (!@initial_to && !defined $to_cmd) {
0d6b21e7 844 my $to = ask("$to_whom ",
61837493 845 default => "",
51bbccfd 846 valid_re => qr/\@.*\./, confirm_only => 1);
3c3bb51c 847 push @initial_to, parse_address_line($to) if defined $to; # sanitized/validated later
1f038a0c 848 $prompting++;
83b24437
RA
849}
850
994d6c66 851sub expand_aliases {
302e04ea
JK
852 return map { expand_one_alias($_) } @_;
853}
854
855my %EXPANDED_ALIASES;
856sub expand_one_alias {
857 my $alias = shift;
858 if ($EXPANDED_ALIASES{$alias}) {
3c5cd20c 859 die sprintf(__("fatal: alias '%s' expands to itself\n"), $alias);
302e04ea
JK
860 }
861 local $EXPANDED_ALIASES{$alias} = 1;
862 return $aliases{$alias} ? expand_aliases(@{$aliases{$alias}}) : $alias;
994d6c66
EW
863}
864
b5e112d8
RL
865@initial_to = process_address_list(@initial_to);
866@initial_cc = process_address_list(@initial_cc);
867@bcclist = process_address_list(@bcclist);
994d6c66 868
5483c71d 869if ($thread && !defined $initial_reply_to && $prompting) {
6e182518 870 $initial_reply_to = ask(
a4dde4c4 871 __("Message-ID to be used as In-Reply-To for the first email (if any)? "),
61837493 872 default => "",
51bbccfd 873 valid_re => qr/\@.*\./, confirm_only => 1);
83b24437 874}
1ca3d6ed 875if (defined $initial_reply_to) {
0fb7fc75
JS
876 $initial_reply_to =~ s/^\s*<?//;
877 $initial_reply_to =~ s/>?\s*$//;
878 $initial_reply_to = "<$initial_reply_to>" if $initial_reply_to ne '';
ace9c2a9 879}
ace72086 880
34cc60ce 881if (!defined $smtp_server) {
aca7ad76
EW
882 foreach (qw( /usr/sbin/sendmail /usr/lib/sendmail )) {
883 if (-x $_) {
884 $smtp_server = $_;
885 last;
886 }
887 }
888 $smtp_server ||= 'localhost'; # could be 127.0.0.1, too... *shrug*
3342d850
RA
889}
890
c1f2aa45
JS
891if ($compose && $compose > 0) {
892 @files = ($compose_filename . ".final", @files);
1f038a0c
RA
893}
894
83b24437 895# Variables we set as part of the loop over files
c1f2aa45 896our ($message_id, %mail, $subject, $reply_to, $references, $message,
dc1460aa 897 $needs_confirm, $message_num, $ask_default);
83b24437 898
567ffeb7
EW
899sub extract_valid_address {
900 my $address = shift;
35b6ab95
ÆAB
901 my $local_part_regexp = qr/[^<>"\s@]+/;
902 my $domain_regexp = qr/[^.<>"\s@]+(?:\.[^.<>"\s@]+)+/;
db3106b2
EW
903
904 # check for a local address:
ad9c18f5 905 return $address if ($address =~ /^($local_part_regexp)$/);
db3106b2 906
155197e6 907 $address =~ s/^\s*<(.*)>\s*$/$1/;
567ffeb7 908 if ($have_email_valid) {
ad9c18f5 909 return scalar Email::Valid->address($address);
567ffeb7 910 }
95c0d4b6
KM
911
912 # less robust/correct than the monster regexp in Email::Valid,
913 # but still does a 99% job, and one less dependency
914 return $1 if $address =~ /($local_part_regexp\@$domain_regexp)/;
622bc930 915 return;
567ffeb7 916}
83b24437 917
e4312255
KM
918sub extract_valid_address_or_die {
919 my $address = shift;
920 $address = extract_valid_address($address);
3c5cd20c 921 die sprintf(__("error: unable to extract a valid address from: %s\n"), $address)
e4312255
KM
922 if !$address;
923 return $address;
924}
925
926sub validate_address {
927 my $address = shift;
d0e98107 928 while (!extract_valid_address($address)) {
3c5cd20c 929 printf STDERR __("error: unable to extract a valid address from: %s\n"), $address;
a4dde4c4
VA
930 # TRANSLATORS: Make sure to include [q] [d] [e] in your
931 # translation. The program will only accept English input
932 # at this point.
933 $_ = ask(__("What to do with this address? ([q]uit|[d]rop|[e]dit): "),
d0e98107 934 valid_re => qr/^(?:quit|q|drop|d|edit|e)/i,
5c80afed
KM
935 default => 'q');
936 if (/^d/i) {
937 return undef;
938 } elsif (/^q/i) {
939 cleanup_compose_files();
940 exit(0);
941 }
0d6b21e7 942 $address = ask("$to_whom ",
d0e98107
KM
943 default => "",
944 valid_re => qr/\@.*\./, confirm_only => 1);
e4312255
KM
945 }
946 return $address;
947}
948
949sub validate_address_list {
950 return (grep { defined $_ }
951 map { validate_address($_) } @_);
567ffeb7 952}
83b24437
RA
953
954# Usually don't need to change anything below here.
955
956# we make a "fake" message id by taking the current number
957# of seconds since the beginning of Unix time and tacking on
958# a random number to the end, in case we are called quicker than
959# 1 second since the last time we were called.
8037d1a3
RA
960
961# We'll setup a template for the message id, using the "from" address:
8037d1a3 962
be510cfe 963my ($message_id_stamp, $message_id_serial);
68ce9330 964sub make_message_id {
be510cfe
JH
965 my $uniq;
966 if (!defined $message_id_stamp) {
f916ab0c 967 $message_id_stamp = strftime("%Y%m%d%H%M%S.$$", gmtime(time));
be510cfe
JH
968 $message_id_serial = 0;
969 }
970 $message_id_serial++;
971 $uniq = "$message_id_stamp-$message_id_serial";
972
aeb59328 973 my $du_part;
94638f89
UKK
974 for ($sender, $repocommitter, $repoauthor) {
975 $du_part = extract_valid_address(sanitize_address($_));
976 last if (defined $du_part and $du_part ne '');
aeb59328 977 }
94638f89 978 if (not defined $du_part or $du_part eq '') {
529dd386 979 require Sys::Hostname;
aeb59328
JH
980 $du_part = 'user@' . Sys::Hostname::hostname();
981 }
f916ab0c 982 my $message_id_template = "<%s-%s>";
be510cfe 983 $message_id = sprintf($message_id_template, $uniq, $du_part);
8037d1a3 984 #print "new message id = $message_id\n"; # Was useful for debugging
83b24437
RA
985}
986
987
988
a5370b16 989$time = time - scalar $#files;
83b24437 990
374c5905
JR
991sub unquote_rfc2047 {
992 local ($_) = @_;
11f70a7e 993 my $charset;
ab47e2a5
РД
994 my $sep = qr/[ \t]+/;
995 s{$re_encoded_word(?:$sep$re_encoded_word)*}{
996 my @words = split $sep, $&;
997 foreach (@words) {
998 m/$re_encoded_word/;
999 $charset = $1;
1000 my $encoding = $2;
1001 my $text = $3;
1002 if ($encoding eq 'q' || $encoding eq 'Q') {
1003 $_ = $text;
1004 s/_/ /g;
1005 s/=([0-9A-F]{2})/chr(hex($1))/egi;
1006 } else {
1007 # other encodings not supported yet
1008 }
11f70a7e 1009 }
ab47e2a5 1010 join '', @words;
b622d4d1 1011 }eg;
11f70a7e 1012 return wantarray ? ($_, $charset) : $_;
374c5905
JR
1013}
1014
d54eaaa2
JK
1015sub quote_rfc2047 {
1016 local $_ = shift;
d1fff6fc 1017 my $encoding = shift || 'UTF-8';
d54eaaa2
JK
1018 s/([^-a-zA-Z0-9!*+\/])/sprintf("=%02X", ord($1))/eg;
1019 s/(.*)/=\?$encoding\?q\?$1\?=/;
1020 return $_;
1021}
1022
a3a8262b
BC
1023sub is_rfc2047_quoted {
1024 my $s = shift;
a3a8262b 1025 length($s) <= 75 &&
11f70a7e 1026 $s =~ m/^(?:"[[:ascii:]]*"|$re_encoded_word)$/o;
a3a8262b
BC
1027}
1028
ce547800
KM
1029sub subject_needs_rfc2047_quoting {
1030 my $s = shift;
1031
ce1459f7 1032 return ($s =~ /[^[:ascii:]]/) || ($s =~ /=\?/);
ce547800
KM
1033}
1034
1035sub quote_subject {
1036 local $subject = shift;
1037 my $encoding = shift || 'UTF-8';
1038
1039 if (subject_needs_rfc2047_quoting($subject)) {
1040 return quote_rfc2047($subject, $encoding);
1041 }
1042 return $subject;
1043}
1044
5b56aaa2 1045# use the simplest quoting being able to handle the recipient
68ce9330 1046sub sanitize_address {
732263d4 1047 my ($recipient) = @_;
831a488b
KM
1048
1049 # remove garbage after email address
1050 $recipient =~ s/(.*>).*$/$1/;
1051
5b56aaa2
UKK
1052 my ($recipient_name, $recipient_addr) = ($recipient =~ /^(.*?)\s*(<.*)/);
1053
1054 if (not $recipient_name) {
ff483897 1055 return $recipient;
5b56aaa2
UKK
1056 }
1057
1058 # if recipient_name is already quoted, do nothing
a3a8262b 1059 if (is_rfc2047_quoted($recipient_name)) {
5b56aaa2
UKK
1060 return $recipient;
1061 }
1062
1fe9703f
RL
1063 # remove non-escaped quotes
1064 $recipient_name =~ s/(^|[^\\])"/$1/g;
1065
5b56aaa2
UKK
1066 # rfc2047 is needed if a non-ascii char is included
1067 if ($recipient_name =~ /[^[:ascii:]]/) {
d54eaaa2 1068 $recipient_name = quote_rfc2047($recipient_name);
732263d4 1069 }
5b56aaa2
UKK
1070
1071 # double quotes are needed if specials or CTLs are included
1072 elsif ($recipient_name =~ /[][()<>@,;:\\".\000-\037\177]/) {
1fe9703f 1073 $recipient_name =~ s/([\\\r])/\\$1/g;
d5c7d69d 1074 $recipient_name = qq["$recipient_name"];
5b56aaa2
UKK
1075 }
1076
1077 return "$recipient_name $recipient_addr";
1078
732263d4
RJ
1079}
1080
e4312255
KM
1081sub sanitize_address_list {
1082 return (map { sanitize_address($_) } @_);
1083}
1084
b5e112d8 1085sub process_address_list {
b1c8a11c
RL
1086 my @addr_list = map { parse_address_line($_) } @_;
1087 @addr_list = expand_aliases(@addr_list);
b5e112d8
RL
1088 @addr_list = sanitize_address_list(@addr_list);
1089 @addr_list = validate_address_list(@addr_list);
1090 return @addr_list;
1091}
1092
134550fe
JA
1093# Returns the local Fully Qualified Domain Name (FQDN) if available.
1094#
1095# Tightly configured MTAa require that a caller sends a real DNS
1096# domain name that corresponds the IP address in the HELO/EHLO
1097# handshake. This is used to verify the connection and prevent
1098# spammers from trying to hide their identity. If the DNS and IP don't
1099# match, the receiveing MTA may deny the connection.
1100#
1101# Here is a deny example of Net::SMTP with the default "localhost.localdomain"
1102#
1103# Net::SMTP=GLOB(0x267ec28)>>> EHLO localhost.localdomain
1104# Net::SMTP=GLOB(0x267ec28)<<< 550 EHLO argument does not match calling host
1105#
1106# This maildomain*() code is based on ideas in Perl library Test::Reporter
1107# /usr/share/perl5/Test/Reporter/Mail/Util.pm ==> sub _maildomain ()
1108
59a86303
BG
1109sub valid_fqdn {
1110 my $domain = shift;
61ef5e9b 1111 return defined $domain && !($^O eq 'darwin' && $domain =~ /\.local$/) && $domain =~ /\./;
59a86303
BG
1112}
1113
68ce9330 1114sub maildomain_net {
134550fe
JA
1115 my $maildomain;
1116
1117 if (eval { require Net::Domain; 1 }) {
1118 my $domain = Net::Domain::domainname();
59a86303 1119 $maildomain = $domain if valid_fqdn($domain);
134550fe
JA
1120 }
1121
1122 return $maildomain;
1123}
1124
68ce9330 1125sub maildomain_mta {
134550fe
JA
1126 my $maildomain;
1127
1128 if (eval { require Net::SMTP; 1 }) {
1129 for my $host (qw(mailhost localhost)) {
1130 my $smtp = Net::SMTP->new($host);
1131 if (defined $smtp) {
1132 my $domain = $smtp->domain;
1133 $smtp->quit;
1134
59a86303 1135 $maildomain = $domain if valid_fqdn($domain);
134550fe
JA
1136
1137 last if $maildomain;
1138 }
1139 }
1140 }
1141
1142 return $maildomain;
1143}
1144
68ce9330 1145sub maildomain {
69cf7bfd 1146 return maildomain_net() || maildomain_mta() || 'localhost.localdomain';
134550fe
JA
1147}
1148
4d31a44a
MN
1149sub smtp_host_string {
1150 if (defined $smtp_server_port) {
1151 return "$smtp_server:$smtp_server_port";
1152 } else {
1153 return $smtp_server;
1154 }
1155}
1156
1157# Returns 1 if authentication succeeded or was not necessary
1158# (smtp_user was not specified), and 0 otherwise.
1159
1160sub smtp_auth_maybe {
1161 if (!defined $smtp_authuser || $auth) {
1162 return 1;
1163 }
1164
1165 # Workaround AUTH PLAIN/LOGIN interaction defect
1166 # with Authen::SASL::Cyrus
1167 eval {
1168 require Authen::SASL;
1169 Authen::SASL->import(qw(Perl));
1170 };
1171
0f2e68b5
JV
1172 # Check mechanism naming as defined in:
1173 # https://tools.ietf.org/html/rfc4422#page-8
904f6e7c 1174 if ($smtp_auth && $smtp_auth !~ /^(\b[A-Z0-9-_]{1,20}\s*)*$/) {
0f2e68b5
JV
1175 die "invalid smtp auth: '${smtp_auth}'";
1176 }
1177
4d31a44a
MN
1178 # TODO: Authentication may fail not because credentials were
1179 # invalid but due to other reasons, in which we should not
1180 # reject credentials.
1181 $auth = Git::credential({
1182 'protocol' => 'smtp',
1183 'host' => smtp_host_string(),
1184 'username' => $smtp_authuser,
1185 # if there's no password, "git credential fill" will
1186 # give us one, otherwise it'll just pass this one.
1187 'password' => $smtp_authpass
1188 }, sub {
1189 my $cred = shift;
0f2e68b5
JV
1190
1191 if ($smtp_auth) {
1192 my $sasl = Authen::SASL->new(
1193 mechanism => $smtp_auth,
1194 callback => {
1195 user => $cred->{'username'},
1196 pass => $cred->{'password'},
1197 authname => $cred->{'username'},
1198 }
1199 );
1200
1201 return !!$smtp->auth($sasl);
1202 }
1203
4d31a44a
MN
1204 return !!$smtp->auth($cred->{'username'}, $cred->{'password'});
1205 });
1206
1207 return $auth;
1208}
1209
35035bbf
RR
1210sub ssl_verify_params {
1211 eval {
1212 require IO::Socket::SSL;
1213 IO::Socket::SSL->import(qw/SSL_VERIFY_PEER SSL_VERIFY_NONE/);
1214 };
1215 if ($@) {
1216 print STDERR "Not using SSL_VERIFY_PEER due to out-of-date IO::Socket::SSL.\n";
1217 return;
1218 }
1219
1220 if (!defined $smtp_ssl_cert_path) {
01645b74
RK
1221 # use the OpenSSL defaults
1222 return (SSL_verify_mode => SSL_VERIFY_PEER());
35035bbf
RR
1223 }
1224
1225 if ($smtp_ssl_cert_path eq "") {
1226 return (SSL_verify_mode => SSL_VERIFY_NONE());
1227 } elsif (-d $smtp_ssl_cert_path) {
1228 return (SSL_verify_mode => SSL_VERIFY_PEER(),
1229 SSL_ca_path => $smtp_ssl_cert_path);
1230 } elsif (-f $smtp_ssl_cert_path) {
1231 return (SSL_verify_mode => SSL_VERIFY_PEER(),
1232 SSL_ca_file => $smtp_ssl_cert_path);
1233 } else {
3c5cd20c 1234 die sprintf(__("CA path \"%s\" does not exist"), $smtp_ssl_cert_path);
35035bbf
RR
1235 }
1236}
1237
cb005c1f
EFL
1238sub file_name_is_absolute {
1239 my ($path) = @_;
1240
1241 # msys does not grok DOS drive-prefixes
1242 if ($^O eq 'msys') {
f24ecf59 1243 return ($path =~ m#^/# || $path =~ m#^[a-zA-Z]\:#)
cb005c1f
EFL
1244 }
1245
1246 require File::Spec::Functions;
1247 return File::Spec::Functions::file_name_is_absolute($path);
1248}
1249
15da1084 1250# Returns 1 if the message was sent, and 0 otherwise.
a1b5b371 1251# In actuality, the whole program dies when there
15da1084
MW
1252# is an error sending a message.
1253
68ce9330 1254sub send_message {
4bc87a28 1255 my @recipients = unique_email_list(@to);
e4312255 1256 @cc = (grep { my $cc = extract_valid_address_or_die($_);
83acaaec 1257 not grep { $cc eq $_ || $_ =~ /<\Q${cc}\E>$/ } @recipients
7ac17529 1258 }
7ac17529 1259 @cc);
4bc87a28 1260 my $to = join (",\n\t", @recipients);
58063245 1261 @recipients = unique_email_list(@recipients,@cc,@bcclist);
e4312255 1262 @recipients = (map { extract_valid_address_or_die($_) } @recipients);
6bdca890 1263 my $date = format_2822_time($time++);
e923effb
ML
1264 my $gitversion = '@@GIT_VERSION@@';
1265 if ($gitversion =~ m/..GIT_VERSION../) {
3cb8caf7 1266 $gitversion = Git::version();
e923effb 1267 }
4bc87a28 1268
02461e0e 1269 my $cc = join(",\n\t", unique_email_list(@cc));
f06a6a49
JH
1270 my $ccline = "";
1271 if ($cc ne '') {
1272 $ccline = "\nCc: $cc";
1273 }
4f3d3703 1274 make_message_id() unless defined($message_id);
aeb59328 1275
da18759e 1276 my $header = "From: $sender
f06a6a49 1277To: $to${ccline}
4bc87a28 1278Subject: $subject
4bc87a28
EW
1279Date: $date
1280Message-Id: $message_id
4bc87a28 1281";
ac1596a6
LH
1282 if ($use_xmailer) {
1283 $header .= "X-Mailer: git-send-email $gitversion\n";
1284 }
3e0c4ffd 1285 if ($reply_to) {
7ccf7927
RA
1286
1287 $header .= "In-Reply-To: $reply_to\n";
1288 $header .= "References: $references\n";
1289 }
ce91c2f6
JH
1290 if (@xh) {
1291 $header .= join("\n", @xh) . "\n";
1292 }
4bc87a28 1293
c38f0247 1294 my @sendmail_parameters = ('-i', @recipients);
da18759e 1295 my $raw_from = $sender;
c89e3241
FC
1296 if (defined $envelope_sender && $envelope_sender ne "auto") {
1297 $raw_from = $envelope_sender;
1298 }
f073a592
RJ
1299 $raw_from = extract_valid_address($raw_from);
1300 unshift (@sendmail_parameters,
1301 '-f', $raw_from) if(defined $envelope_sender);
8e3d436b 1302
c1f2aa45
JS
1303 if ($needs_confirm && !$dry_run) {
1304 print "\n$header\n";
1305 if ($needs_confirm eq "inform") {
1306 $confirm_unconfigured = 0; # squelch this message for the rest of this run
6e182518 1307 $ask_default = "y"; # assume yes on EOF since user hasn't explicitly asked for confirmation
a4dde4c4
VA
1308 print __ <<EOF ;
1309 The Cc list above has been expanded by additional
1310 addresses found in the patch commit message. By default
1311 send-email prompts before sending whenever this occurs.
1312 This behavior is controlled by the sendemail.confirm
1313 configuration setting.
1314
1315 For additional information, run 'git send-email --help'.
1316 To retain the current behavior, but squelch this message,
1317 run 'git config --global sendemail.confirm auto'.
1318
1319EOF
c1f2aa45 1320 }
a4dde4c4
VA
1321 # TRANSLATORS: Make sure to include [y] [n] [q] [a] in your
1322 # translation. The program will only accept English input
1323 # at this point.
1324 $_ = ask(__("Send this email? ([y]es|[n]o|[q]uit|[a]ll): "),
6e182518
JS
1325 valid_re => qr/^(?:yes|y|no|n|quit|q|all|a)/i,
1326 default => $ask_default);
46493105 1327 die __("Send this email reply required") unless defined $_;
c1f2aa45 1328 if (/^n/i) {
15da1084 1329 return 0;
c1f2aa45
JS
1330 } elsif (/^q/i) {
1331 cleanup_compose_files();
1332 exit(0);
1333 } elsif (/^a/i) {
1334 $confirm = 'never';
1335 }
1336 }
1337
052fbea2
PO
1338 unshift (@sendmail_parameters, @smtp_server_options);
1339
6130259c
MW
1340 if ($dry_run) {
1341 # We don't want to send the email.
cb005c1f 1342 } elsif (file_name_is_absolute($smtp_server)) {
aca7ad76
EW
1343 my $pid = open my $sm, '|-';
1344 defined $pid or die $!;
1345 if (!$pid) {
8e3d436b 1346 exec($smtp_server, @sendmail_parameters) or die $!;
aca7ad76
EW
1347 }
1348 print $sm "$header\n$message";
5e2c2ab1 1349 close $sm or die $!;
aca7ad76 1350 } else {
44b2476a
JH
1351
1352 if (!defined $smtp_server) {
46493105 1353 die __("The required SMTP server is not properly defined.")
44b2476a
JH
1354 }
1355
f6bebd12 1356 if ($smtp_encryption eq 'ssl') {
44b2476a 1357 $smtp_server_port ||= 465; # ssmtp
34cc60ce 1358 require Net::SMTP::SSL;
69cf7bfd 1359 $smtp_domain ||= maildomain();
5508f3ed 1360 require IO::Socket::SSL;
9d605249
JK
1361
1362 # Suppress "variable accessed once" warning.
1363 {
1364 no warnings 'once';
1365 $IO::Socket::SSL::DEBUG = 1;
1366 }
1367
5508f3ed
TR
1368 # Net::SMTP::SSL->new() does not forward any SSL options
1369 IO::Socket::SSL::set_client_defaults(
1370 ssl_verify_params());
134550fe 1371 $smtp ||= Net::SMTP::SSL->new($smtp_server,
69cf7bfd 1372 Hello => $smtp_domain,
35035bbf 1373 Port => $smtp_server_port,
5508f3ed 1374 Debug => $debug_net_smtp);
34cc60ce
DS
1375 }
1376 else {
1377 require Net::SMTP;
69cf7bfd 1378 $smtp_domain ||= maildomain();
1a741bf7 1379 $smtp_server_port ||= 25;
1380 $smtp ||= Net::SMTP->new($smtp_server,
69cf7bfd 1381 Hello => $smtp_domain,
1a741bf7 1382 Debug => $debug_net_smtp,
1383 Port => $smtp_server_port);
fb3650ed 1384 if ($smtp_encryption eq 'tls' && $smtp) {
f6bebd12
TR
1385 require Net::SMTP::SSL;
1386 $smtp->command('STARTTLS');
1387 $smtp->response();
1388 if ($smtp->code == 220) {
35035bbf
RR
1389 $smtp = Net::SMTP::SSL->start_SSL($smtp,
1390 ssl_verify_params())
6cb0c883 1391 or die "STARTTLS failed! ".IO::Socket::SSL::errstr();
6cbf8b00 1392 $smtp_encryption = '';
9d1ccf5e
RS
1393 # Send EHLO again to receive fresh
1394 # supported commands
155b940f 1395 $smtp->hello($smtp_domain);
f6bebd12 1396 } else {
3c5cd20c 1397 die sprintf(__("Server does not support STARTTLS! %s"), $smtp->message);
f6bebd12
TR
1398 }
1399 }
44b2476a
JH
1400 }
1401
1402 if (!$smtp) {
3c5cd20c
VA
1403 die __("Unable to initialize SMTP properly. Check config and use --smtp-debug."),
1404 " VALUES: server=$smtp_server ",
e5afb3a6 1405 "encryption=$smtp_encryption ",
69cf7bfd 1406 "hello=$smtp_domain",
a1dd7e16 1407 defined $smtp_server_port ? " port=$smtp_server_port" : "";
44b2476a
JH
1408 }
1409
4d31a44a 1410 smtp_auth_maybe or die $smtp->message;
2363d746 1411
2b69bfc2 1412 $smtp->mail( $raw_from ) or die $smtp->message;
aca7ad76
EW
1413 $smtp->to( @recipients ) or die $smtp->message;
1414 $smtp->data or die $smtp->message;
f60c483d
SA
1415 $smtp->datasend("$header\n") or die $smtp->message;
1416 my @lines = split /^/, $message;
1417 foreach my $line (@lines) {
1418 $smtp->datasend("$line") or die $smtp->message;
1419 }
aca7ad76 1420 $smtp->dataend() or die $smtp->message;
3c5cd20c 1421 $smtp->code =~ /250|200/ or die sprintf(__("Failed to send %s\n"), $subject).$smtp->message;
aca7ad76 1422 }
2718435b 1423 if ($quiet) {
3c5cd20c 1424 printf($dry_run ? __("Dry-Sent %s\n") : __("Sent %s\n"), $subject);
2718435b 1425 } else {
a4dde4c4 1426 print($dry_run ? __("Dry-OK. Log says:\n") : __("OK. Log says:\n"));
cb005c1f 1427 if (!file_name_is_absolute($smtp_server)) {
aca7ad76 1428 print "Server: $smtp_server\n";
2b69bfc2 1429 print "MAIL FROM:<$raw_from>\n";
02461e0e
JP
1430 foreach my $entry (@recipients) {
1431 print "RCPT TO:<$entry>\n";
1432 }
aca7ad76 1433 } else {
8e3d436b 1434 print "Sendmail: $smtp_server ".join(' ',@sendmail_parameters)."\n";
aca7ad76 1435 }
b7f30e0a 1436 print $header, "\n";
aca7ad76 1437 if ($smtp) {
46493105 1438 print __("Result: "), $smtp->code, ' ',
aca7ad76
EW
1439 ($smtp->message =~ /\n([^\n]+\n)$/s), "\n";
1440 } else {
46493105 1441 print __("Result: OK\n");
aca7ad76 1442 }
30d08b34 1443 }
15da1084
MW
1444
1445 return 1;
83b24437
RA
1446}
1447
83b24437 1448$reply_to = $initial_reply_to;
2186d566 1449$references = $initial_reply_to || '';
83b24437 1450$subject = $initial_subject;
c1f2aa45 1451$message_num = 0;
83b24437
RA
1452
1453foreach my $t (@files) {
3c5cd20c 1454 open my $fh, "<", $t or die sprintf(__("can't open file %s"), $t);
83b24437 1455
94638f89 1456 my $author = undef;
4cb46bdd 1457 my $sauthor = undef;
8291db6f
JK
1458 my $author_encoding;
1459 my $has_content_type;
1460 my $body_encoding;
bb29456c
PB
1461 my $xfer_encoding;
1462 my $has_mime_version;
3c3bb51c 1463 @to = ();
c1f2aa45 1464 @cc = ();
ce91c2f6 1465 @xh = ();
e6b0964a 1466 my $input_format = undef;
5012699d 1467 my @header = ();
83b24437 1468 $message = "";
c1f2aa45 1469 $message_num++;
5012699d 1470 # First unfold multiline header fields
f9237e61 1471 while(<$fh>) {
5012699d
JS
1472 last if /^\s*$/;
1473 if (/^\s+\S/ and @header) {
1474 chomp($header[$#header]);
1475 s/^\s+/ /;
1476 $header[$#header] .= $_;
1477 } else {
1478 push(@header, $_);
1479 }
1480 }
1481 # Now parse the header
1482 foreach(@header) {
1483 if (/^From /) {
1484 $input_format = 'mbox';
1485 next;
1486 }
1487 chomp;
1488 if (!defined $input_format && /^[-A-Za-z]+:\s/) {
1489 $input_format = 'mbox';
1490 }
1491
1492 if (defined $input_format && $input_format eq 'mbox') {
6310071a 1493 if (/^Subject:\s+(.*)$/i) {
5012699d 1494 $subject = $1;
e6b0964a 1495 }
6310071a 1496 elsif (/^From:\s+(.*)$/i) {
5012699d 1497 ($author, $author_encoding) = unquote_rfc2047($1);
4cb46bdd 1498 $sauthor = sanitize_address($author);
5012699d 1499 next if $suppress_cc{'author'};
da18759e 1500 next if $suppress_cc{'self'} and $sauthor eq $sender;
a4dde4c4 1501 printf(__("(mbox) Adding cc: %s from line '%s'\n"),
5012699d
JS
1502 $1, $_) unless $quiet;
1503 push @cc, $1;
e6b0964a 1504 }
6310071a 1505 elsif (/^To:\s+(.*)$/i) {
21802cd3 1506 foreach my $addr (parse_address_line($1)) {
a4dde4c4 1507 printf(__("(mbox) Adding to: %s from line '%s'\n"),
21802cd3 1508 $addr, $_) unless $quiet;
e4312255 1509 push @to, $addr;
21802cd3
SB
1510 }
1511 }
6310071a 1512 elsif (/^Cc:\s+(.*)$/i) {
5012699d 1513 foreach my $addr (parse_address_line($1)) {
da18759e
MT
1514 my $qaddr = unquote_rfc2047($addr);
1515 my $saddr = sanitize_address($qaddr);
1516 if ($saddr eq $sender) {
65648283 1517 next if ($suppress_cc{'self'});
65648283
DB
1518 } else {
1519 next if ($suppress_cc{'cc'});
8a8e6235 1520 }
a4dde4c4 1521 printf(__("(mbox) Adding cc: %s from line '%s'\n"),
5012699d
JS
1522 $addr, $_) unless $quiet;
1523 push @cc, $addr;
83b24437 1524 }
5012699d
JS
1525 }
1526 elsif (/^Content-type:/i) {
1527 $has_content_type = 1;
1528 if (/charset="?([^ "]+)/) {
1529 $body_encoding = $1;
83b24437 1530 }
5012699d 1531 push @xh, $_;
83b24437 1532 }
bb29456c
PB
1533 elsif (/^MIME-Version/i) {
1534 $has_mime_version = 1;
1535 push @xh, $_;
1536 }
5012699d
JS
1537 elsif (/^Message-Id: (.*)/i) {
1538 $message_id = $1;
83b24437 1539 }
bb29456c
PB
1540 elsif (/^Content-Transfer-Encoding: (.*)/i) {
1541 $xfer_encoding = $1 if not defined $xfer_encoding;
1542 }
6310071a 1543 elsif (!/^Date:\s/i && /^[-A-Za-z]+:\s+\S/) {
5012699d
JS
1544 push @xh, $_;
1545 }
1546
83b24437 1547 } else {
5012699d
JS
1548 # In the traditional
1549 # "send lots of email" format,
1550 # line 1 = cc
1551 # line 2 = subject
1552 # So let's support that, too.
1553 $input_format = 'lots';
1554 if (@cc == 0 && !$suppress_cc{'cc'}) {
a4dde4c4 1555 printf(__("(non-mbox) Adding cc: %s from line '%s'\n"),
5012699d
JS
1556 $_, $_) unless $quiet;
1557 push @cc, $_;
1558 } elsif (!defined $subject) {
1559 $subject = $_;
83b24437
RA
1560 }
1561 }
1562 }
5012699d 1563 # Now parse the message body
f9237e61 1564 while(<$fh>) {
5012699d 1565 $message .= $_;
9d334396 1566 if (/^(Signed-off-by|Cc): ([^>]*>?)/i) {
5012699d 1567 chomp;
3531e270 1568 my ($what, $c) = ($1, $2);
5012699d 1569 chomp $c;
da18759e
MT
1570 my $sc = sanitize_address($c);
1571 if ($sc eq $sender) {
3531e270
JS
1572 next if ($suppress_cc{'self'});
1573 } else {
1574 next if $suppress_cc{'sob'} and $what =~ /Signed-off-by/i;
1575 next if $suppress_cc{'bodycc'} and $what =~ /Cc/i;
1576 }
5012699d 1577 push @cc, $c;
a4dde4c4 1578 printf(__("(body) Adding cc: %s from line '%s'\n"),
5012699d
JS
1579 $c, $_) unless $quiet;
1580 }
1581 }
f9237e61 1582 close $fh;
324a8bd0 1583
6e74e075
JP
1584 push @to, recipients_cmd("to-cmd", "to", $to_cmd, $t)
1585 if defined $to_cmd;
1586 push @cc, recipients_cmd("cc-cmd", "cc", $cc_cmd, $t)
1587 if defined $cc_cmd && !$suppress_cc{'cccmd'};
324a8bd0 1588
3cae7e5b 1589 if ($broken_encoding{$t} && !$has_content_type) {
bb29456c 1590 $xfer_encoding = '8bit' if not defined $xfer_encoding;
3cae7e5b 1591 $has_content_type = 1;
bb29456c 1592 push @xh, "Content-Type: text/plain; charset=$auto_8bit_encoding";
3cae7e5b
TR
1593 $body_encoding = $auto_8bit_encoding;
1594 }
1595
ce547800
KM
1596 if ($broken_encoding{$t} && !is_rfc2047_quoted($subject)) {
1597 $subject = quote_subject($subject, $auto_8bit_encoding);
3cae7e5b
TR
1598 }
1599
4cb46bdd 1600 if (defined $sauthor and $sauthor ne $sender) {
94638f89 1601 $message = "From: $author\n\n$message";
8291db6f
JK
1602 if (defined $author_encoding) {
1603 if ($has_content_type) {
1604 if ($body_encoding eq $author_encoding) {
1605 # ok, we already have the right encoding
1606 }
1607 else {
1608 # uh oh, we should re-encode
1609 }
1610 }
1611 else {
bb29456c 1612 $xfer_encoding = '8bit' if not defined $xfer_encoding;
3cae7e5b 1613 $has_content_type = 1;
8291db6f 1614 push @xh,
bb29456c 1615 "Content-Type: text/plain; charset=$author_encoding";
8291db6f
JK
1616 }
1617 }
8a8e6235 1618 }
8d814084
PB
1619 if (defined $target_xfer_encoding) {
1620 $xfer_encoding = '8bit' if not defined $xfer_encoding;
1621 $message = apply_transfer_encoding(
1622 $message, $xfer_encoding, $target_xfer_encoding);
1623 $xfer_encoding = $target_xfer_encoding;
1624 }
bb29456c
PB
1625 if (defined $xfer_encoding) {
1626 push @xh, "Content-Transfer-Encoding: $xfer_encoding";
1627 }
1628 if (defined $xfer_encoding or $has_content_type) {
1629 unshift @xh, 'MIME-Version: 1.0' unless $has_mime_version;
1630 }
83b24437 1631
c1f2aa45
JS
1632 $needs_confirm = (
1633 $confirm eq "always" or
1634 ($confirm =~ /^(?:auto|cc)$/ && @cc) or
1635 ($confirm =~ /^(?:auto|compose)$/ && $compose && $message_num == 1));
1636 $needs_confirm = "inform" if ($needs_confirm && $confirm_unconfigured && @cc);
1637
b5e112d8
RL
1638 @to = process_address_list(@to);
1639 @cc = process_address_list(@cc);
e4312255 1640
3c3bb51c 1641 @to = (@initial_to, @to);
c1f2aa45
JS
1642 @cc = (@initial_cc, @cc);
1643
f515c904
MT
1644 if ($message_num == 1) {
1645 if (defined $cover_cc and $cover_cc) {
1646 @initial_cc = @cc;
1647 }
1648 if (defined $cover_to and $cover_to) {
1649 @initial_to = @to;
1650 }
1651 }
1652
15da1084 1653 my $message_was_sent = send_message();
83b24437
RA
1654
1655 # set up for the next message
95a877a3 1656 if ($thread && $message_was_sent &&
b99d22f2 1657 ($chain_reply_to || !defined $reply_to || length($reply_to) == 0 ||
db54c8e7 1658 $message_num == 1)) {
78488b2c 1659 $reply_to = $message_id;
7ccf7927 1660 if (length $references > 0) {
a925b89c 1661 $references .= "\n $message_id";
7ccf7927
RA
1662 } else {
1663 $references = "$message_id";
1664 }
78488b2c 1665 }
4f3d3703 1666 $message_id = undef;
83b24437 1667}
e205735d 1668
6e74e075
JP
1669# Execute a command (e.g. $to_cmd) to get a list of email addresses
1670# and return a results array
1671sub recipients_cmd {
1672 my ($prefix, $what, $cmd, $file) = @_;
1673
6e74e075 1674 my @addresses = ();
a47eab03 1675 open my $fh, "-|", "$cmd \Q$file\E"
3c5cd20c 1676 or die sprintf(__("(%s) Could not execute '%s'"), $prefix, $cmd);
7ebee441 1677 while (my $address = <$fh>) {
6e74e075
JP
1678 $address =~ s/^\s*//g;
1679 $address =~ s/\s*$//g;
1680 $address = sanitize_address($address);
da18759e 1681 next if ($address eq $sender and $suppress_cc{'self'});
6e74e075 1682 push @addresses, $address;
3c5cd20c
VA
1683 printf(__("(%s) Adding %s: %s from: '%s'\n"),
1684 $prefix, $what, $address, $cmd) unless $quiet;
6e74e075 1685 }
7ebee441 1686 close $fh
3c5cd20c 1687 or die sprintf(__("(%s) failed to close pipe to '%s'"), $prefix, $cmd);
6e74e075
JP
1688 return @addresses;
1689}
1690
c1f2aa45 1691cleanup_compose_files();
1f038a0c 1692
4bf597ee 1693sub cleanup_compose_files {
c1f2aa45 1694 unlink($compose_filename, $compose_filename . ".final") if $compose;
1f038a0c
RA
1695}
1696
4bc87a28 1697$smtp->quit if $smtp;
e205735d 1698
8d814084
PB
1699sub apply_transfer_encoding {
1700 my $message = shift;
1701 my $from = shift;
1702 my $to = shift;
1703
1704 return $message if ($from eq $to and $from ne '7bit');
1705
1706 require MIME::QuotedPrint;
1707 require MIME::Base64;
1708
1709 $message = MIME::QuotedPrint::decode($message)
1710 if ($from eq 'quoted-printable');
1711 $message = MIME::Base64::decode($message)
1712 if ($from eq 'base64');
1713
46493105 1714 die __("cannot send message as 7bit")
8d814084
PB
1715 if ($to eq '7bit' and $message =~ /[^[:ascii:]]/);
1716 return $message
1717 if ($to eq '7bit' or $to eq '8bit');
1718 return MIME::QuotedPrint::encode($message, "\n", 0)
1719 if ($to eq 'quoted-printable');
1720 return MIME::Base64::encode($message, "\n")
1721 if ($to eq 'base64');
46493105 1722 die __("invalid transfer encoding");
8d814084
PB
1723}
1724
c438ea2a 1725sub unique_email_list {
e205735d
RA
1726 my %seen;
1727 my @emails;
1728
1729 foreach my $entry (@_) {
e4312255
KM
1730 my $clean = extract_valid_address_or_die($entry);
1731 $seen{$clean} ||= 0;
1732 next if $seen{$clean}++;
1733 push @emails, $entry;
e205735d
RA
1734 }
1735 return @emails;
1736}
747bbff9
JK
1737
1738sub validate_patch {
1739 my $fn = shift;
1740 open(my $fh, '<', $fn)
3c5cd20c 1741 or die sprintf(__("unable to open %s: %s\n"), $fn, $!);
747bbff9
JK
1742 while (my $line = <$fh>) {
1743 if (length($line) > 998) {
3c5cd20c 1744 return sprintf(__("%s: patch contains a line longer than 998 characters"), $.);
747bbff9
JK
1745 }
1746 }
622bc930 1747 return;
747bbff9 1748}
0706bd19 1749
531220ba
JH
1750sub handle_backup {
1751 my ($last, $lastlen, $file, $known_suffix) = @_;
1752 my ($suffix, $skip);
1753
1754 $skip = 0;
1755 if (defined $last &&
1756 ($lastlen < length($file)) &&
1757 (substr($file, 0, $lastlen) eq $last) &&
1758 ($suffix = substr($file, $lastlen)) !~ /^[a-z0-9]/i) {
1759 if (defined $known_suffix && $suffix eq $known_suffix) {
3c5cd20c 1760 printf(__("Skipping %s with backup suffix '%s'.\n"), $file, $known_suffix);
531220ba
JH
1761 $skip = 1;
1762 } else {
3c5cd20c
VA
1763 # TRANSLATORS: please keep "[y|N]" as is.
1764 my $answer = ask(sprintf(__("Do you really want to send %s? [y|N]: "), $file),
531220ba
JH
1765 valid_re => qr/^(?:y|n)/i,
1766 default => 'n');
1767 $skip = ($answer ne 'y');
1768 if ($skip) {
1769 $known_suffix = $suffix;
1770 }
1771 }
1772 }
1773 return ($skip, $known_suffix);
1774}
1775
1776sub handle_backup_files {
1777 my @file = @_;
1778 my ($last, $lastlen, $known_suffix, $skip, @result);
1779 for my $file (@file) {
1780 ($skip, $known_suffix) = handle_backup($last, $lastlen,
1781 $file, $known_suffix);
1782 push @result, $file unless $skip;
1783 $last = $file;
1784 $lastlen = length($file);
1785 }
1786 return @result;
1787}
1788
0706bd19
JK
1789sub file_has_nonascii {
1790 my $fn = shift;
1791 open(my $fh, '<', $fn)
3c5cd20c 1792 or die sprintf(__("unable to open %s: %s\n"), $fn, $!);
0706bd19
JK
1793 while (my $line = <$fh>) {
1794 return 1 if $line =~ /[^[:ascii:]]/;
1795 }
1796 return 0;
1797}
3cae7e5b
TR
1798
1799sub body_or_subject_has_nonascii {
1800 my $fn = shift;
1801 open(my $fh, '<', $fn)
3c5cd20c 1802 or die sprintf(__("unable to open %s: %s\n"), $fn, $!);
3cae7e5b
TR
1803 while (my $line = <$fh>) {
1804 last if $line =~ /^$/;
1805 return 1 if $line =~ /^Subject.*[^[:ascii:]]/;
1806 }
1807 while (my $line = <$fh>) {
1808 return 1 if $line =~ /[^[:ascii:]]/;
1809 }
1810 return 0;
1811}