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[git/git.git] / git-send-email.perl
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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>
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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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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;
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 /;
6489660b 28use File::Spec::Functions qw(catdir catfile);
28654678 29use Git::LoadCPAN::Error qw(:try);
6489660b 30use Cwd qw(abs_path cwd);
3cb8caf7 31use Git;
a4dde4c4 32use Git::I18N;
1046c118
ÆAB
33use Net::Domain ();
34use Net::SMTP ();
28654678 35use Git::LoadCPAN::Mail::Address;
83b24437 36
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PH
37Getopt::Long::Configure qw/ pass_through /;
38
280242d1
JH
39package FakeTerm;
40sub new {
41 my ($class, $reason) = @_;
42 return bless \$reason, shift;
43}
44sub readline {
45 my $self = shift;
46 die "Cannot use readline on FakeTerm: $$self";
47}
48package main;
49
1b0baf14
MC
50
51sub usage {
52 print <<EOT;
5df9fcf6 53git send-email [options] <file | directory | rev-list options >
17b7a832 54git send-email --dump-aliases
4ed62b03
MW
55
56 Composing:
57 --from <str> * Email From:
f434c083
SB
58 --[no-]to <str> * Email To:
59 --[no-]cc <str> * Email Cc:
60 --[no-]bcc <str> * Email Bcc:
4ed62b03 61 --subject <str> * Email "Subject:"
d11c943c 62 --reply-to <str> * Email "Reply-To:"
4ed62b03 63 --in-reply-to <str> * Email "In-Reply-To:"
ac1596a6 64 --[no-]xmailer * Add "X-Mailer:" header (default).
402596aa 65 --[no-]annotate * Review each patch that will be sent in an editor.
4ed62b03 66 --compose * Open an editor for introduction.
62e00690 67 --compose-encoding <str> * Encoding to assume for introduction.
3cae7e5b 68 --8bit-encoding <str> * Encoding to assume 8bit mails if undeclared
8d814084 69 --transfer-encoding <str> * Transfer encoding to use (quoted-printable, 8bit, base64)
4ed62b03
MW
70
71 Sending:
72 --envelope-sender <str> * Email envelope sender.
73 --smtp-server <str:int> * Outgoing SMTP server to use. The port
74 is optional. Default 'localhost'.
052fbea2 75 --smtp-server-option <str> * Outgoing SMTP server option to use.
4ed62b03
MW
76 --smtp-server-port <int> * Outgoing SMTP server port.
77 --smtp-user <str> * Username for SMTP-AUTH.
78 --smtp-pass <str> * Password for SMTP-AUTH; not necessary.
79 --smtp-encryption <str> * tls or ssl; anything else disables.
80 --smtp-ssl * Deprecated. Use '--smtp-encryption ssl'.
35035bbf
RR
81 --smtp-ssl-cert-path <str> * Path to ca-certificates (either directory or file).
82 Pass an empty string to disable certificate
83 verification.
134550fe 84 --smtp-domain <str> * The domain name sent to HELO/EHLO handshake
8dd9b3f8
JW
85 --smtp-auth <str> * Space-separated list of allowed AUTH mechanisms, or
86 "none" to disable authentication.
0f2e68b5 87 This setting forces to use one of the listed mechanisms.
8dd9b3f8
JW
88 --no-smtp-auth Disable SMTP authentication. Shorthand for
89 `--smtp-auth=none`
f60812ef 90 --smtp-debug <0|1> * Disable, enable Net::SMTP debug.
4ed62b03 91
5453b83b 92 --batch-size <int> * send max <int> message per connection.
93 --relogin-delay <int> * delay <int> seconds between two successive login.
94 This option can only be used with --batch-size
95
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MW
96 Automating:
97 --identity <str> * Use the sendemail.<id> options.
6e74e075 98 --to-cmd <str> * Email To: via `<str> \$patch_path`
4ed62b03 99 --cc-cmd <str> * Email Cc: via `<str> \$patch_path`
ef0cc1df 100 --suppress-cc <str> * author, self, sob, cc, cccmd, body, bodycc, misc-by, all.
f515c904
MT
101 --[no-]cc-cover * Email Cc: addresses in the cover letter.
102 --[no-]to-cover * Email To: addresses in the cover letter.
3531e270 103 --[no-]signed-off-by-cc * Send to Signed-off-by: addresses. Default on.
4ed62b03 104 --[no-]suppress-from * Send to self. Default off.
41fe87fa 105 --[no-]chain-reply-to * Chain In-Reply-To: fields. Default off.
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MW
106 --[no-]thread * Use In-Reply-To: field. Default on.
107
108 Administering:
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109 --confirm <str> * Confirm recipients before sending;
110 auto, cc, compose, always, or never.
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111 --quiet * Output one line of info per email.
112 --dry-run * Don't actually send the emails.
113 --[no-]validate * Perform patch sanity checks. Default on.
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PH
114 --[no-]format-patch * understand any non optional arguments as
115 `git format-patch` ones.
a03bc5b6 116 --force * Send even if safety checks would prevent it.
c764a0c2 117
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118 Information:
119 --dump-aliases * Dump configured aliases and exit.
120
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MC
121EOT
122 exit(1);
123}
124
13374987
NTND
125sub completion_helper {
126 print Git::command('format-patch', '--git-completion-helper');
127 exit(0);
128}
129
4bc87a28 130# most mail servers generate the Date: header, but not all...
6bdca890
JN
131sub format_2822_time {
132 my ($time) = @_;
133 my @localtm = localtime($time);
134 my @gmttm = gmtime($time);
135 my $localmin = $localtm[1] + $localtm[2] * 60;
136 my $gmtmin = $gmttm[1] + $gmttm[2] * 60;
137 if ($localtm[0] != $gmttm[0]) {
46493105 138 die __("local zone differs from GMT by a non-minute interval\n");
6bdca890
JN
139 }
140 if ((($gmttm[6] + 1) % 7) == $localtm[6]) {
141 $localmin += 1440;
142 } elsif ((($gmttm[6] - 1) % 7) == $localtm[6]) {
143 $localmin -= 1440;
144 } elsif ($gmttm[6] != $localtm[6]) {
46493105 145 die __("local time offset greater than or equal to 24 hours\n");
6bdca890
JN
146 }
147 my $offset = $localmin - $gmtmin;
148 my $offhour = $offset / 60;
149 my $offmin = abs($offset % 60);
150 if (abs($offhour) >= 24) {
46493105 151 die __("local time offset greater than or equal to 24 hours\n");
6bdca890
JN
152 }
153
154 return sprintf("%s, %2d %s %d %02d:%02d:%02d %s%02d%02d",
155 qw(Sun Mon Tue Wed Thu Fri Sat)[$localtm[6]],
156 $localtm[3],
157 qw(Jan Feb Mar Apr May Jun
158 Jul Aug Sep Oct Nov Dec)[$localtm[4]],
159 $localtm[5]+1900,
160 $localtm[2],
161 $localtm[1],
162 $localtm[0],
163 ($offset >= 0) ? '+' : '-',
164 abs($offhour),
165 $offmin,
166 );
167}
4bc87a28 168
567ffeb7 169my $have_email_valid = eval { require Email::Valid; 1 };
4bc87a28 170my $smtp;
5f5b6118 171my $auth;
5453b83b 172my $num_sent = 0;
4bc87a28 173
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РД
174# Regexes for RFC 2047 productions.
175my $re_token = qr/[^][()<>@,;:\\"\/?.= \000-\037\177-\377]+/;
176my $re_encoded_text = qr/[^? \000-\037\177-\377]+/;
177my $re_encoded_word = qr/=\?($re_token)\?($re_token)\?($re_encoded_text)\?=/;
178
83b24437 179# Variables we fill in automatically, or via prompting:
3494dfd3 180my (@to,@cc,@xh,$envelope_sender,
d11c943c 181 $initial_in_reply_to,$reply_to,$initial_subject,@files,
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ÆAB
182 $author,$sender,$smtp_authpass,$annotate,$compose,$time);
183# Things we either get from config, *or* are overridden on the
184# command-line.
3ff15040 185my ($no_cc, $no_to, $no_bcc, $no_identity);
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ÆAB
186my (@config_to, @getopt_to);
187my (@config_cc, @getopt_cc);
188my (@config_bcc, @getopt_bcc);
78488b2c 189
9133261f 190# Example reply to:
15dc3b91 191#$initial_in_reply_to = ''; #<20050203173208.GA23964@foobar.com>';
83b24437 192
ad79c024
FL
193my $repo = eval { Git->repository() };
194my @repo = $repo ? ($repo) : ();
280242d1 195my $term = eval {
0fb7fc75
JS
196 $ENV{"GIT_SEND_EMAIL_NOTTY"}
197 ? new Term::ReadLine 'git-send-email', \*STDIN, \*STDOUT
198 : new Term::ReadLine 'git-send-email';
280242d1
JH
199};
200if ($@) {
201 $term = new FakeTerm "$@: going non-interactive";
202}
83b24437 203
5483c71d
AR
204# Behavior modification variables
205my ($quiet, $dry_run) = (0, 0);
5df9fcf6 206my $format_patch;
afe756c9 207my $compose_filename;
a03bc5b6 208my $force = 0;
17b7a832 209my $dump_aliases = 0;
5483c71d 210
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PH
211# Handle interactive edition of files.
212my $multiedit;
0ce142c9 213my $editor;
b4479f07 214
8fd5bb7f 215sub do_edit {
0ce142c9
MG
216 if (!defined($editor)) {
217 $editor = Git::command_oneline('var', 'GIT_EDITOR');
218 }
8fd5bb7f 219 if (defined($multiedit) && !$multiedit) {
beece9da
PH
220 map {
221 system('sh', '-c', $editor.' "$@"', $editor, $_);
222 if (($? & 127) || ($? >> 8)) {
46493105 223 die(__("the editor exited uncleanly, aborting everything"));
beece9da
PH
224 }
225 } @_;
8fd5bb7f
PH
226 } else {
227 system('sh', '-c', $editor.' "$@"', $editor, @_);
beece9da 228 if (($? & 127) || ($? >> 8)) {
46493105 229 die(__("the editor exited uncleanly, aborting everything"));
beece9da 230 }
8fd5bb7f
PH
231 }
232}
5483c71d
AR
233
234# Variables with corresponding config settings
3494dfd3 235my ($suppress_from, $signed_off_by_cc);
f515c904 236my ($cover_cc, $cover_to);
6e74e075 237my ($to_cmd, $cc_cmd);
052fbea2 238my ($smtp_server, $smtp_server_port, @smtp_server_options);
35035bbf 239my ($smtp_authuser, $smtp_encryption, $smtp_ssl_cert_path);
5453b83b 240my ($batch_size, $relogin_delay);
0f2e68b5 241my ($identity, $aliasfiletype, @alias_files, $smtp_domain, $smtp_auth);
3494dfd3 242my ($confirm);
65648283 243my (@suppress_cc);
3cae7e5b 244my ($auto_8bit_encoding);
62e00690 245my ($compose_encoding);
3494dfd3 246# Variables with corresponding config settings & hardcoded defaults
f60812ef 247my ($debug_net_smtp) = 0; # Net::SMTP, see send_message()
3494dfd3
ÆAB
248my $thread = 1;
249my $chain_reply_to = 0;
250my $use_xmailer = 1;
251my $validate = 1;
252my $target_xfer_encoding = 'auto';
f60812ef 253
34cc60ce 254my %config_bool_settings = (
3494dfd3
ÆAB
255 "thread" => \$thread,
256 "chainreplyto" => \$chain_reply_to,
257 "suppressfrom" => \$suppress_from,
258 "signedoffbycc" => \$signed_off_by_cc,
259 "cccover" => \$cover_cc,
260 "tocover" => \$cover_to,
261 "signedoffcc" => \$signed_off_by_cc,
262 "validate" => \$validate,
263 "multiedit" => \$multiedit,
264 "annotate" => \$annotate,
265 "xmailer" => \$use_xmailer,
e46f7a0e
AR
266);
267
34cc60ce
DS
268my %config_settings = (
269 "smtpserver" => \$smtp_server,
44b2476a 270 "smtpserverport" => \$smtp_server_port,
052fbea2 271 "smtpserveroption" => \@smtp_server_options,
34cc60ce
DS
272 "smtpuser" => \$smtp_authuser,
273 "smtppass" => \$smtp_authpass,
e1e9115d 274 "smtpdomain" => \$smtp_domain,
0f2e68b5 275 "smtpauth" => \$smtp_auth,
5453b83b 276 "smtpbatchsize" => \$batch_size,
277 "smtprelogindelay" => \$relogin_delay,
3494dfd3 278 "to" => \@config_to,
6e74e075 279 "tocmd" => \$to_cmd,
3494dfd3 280 "cc" => \@config_cc,
34cc60ce
DS
281 "cccmd" => \$cc_cmd,
282 "aliasfiletype" => \$aliasfiletype,
3494dfd3 283 "bcc" => \@config_bcc,
65648283 284 "suppresscc" => \@suppress_cc,
9f7820ae 285 "envelopesender" => \$envelope_sender,
c1f2aa45 286 "confirm" => \$confirm,
09caa24f 287 "from" => \$sender,
3cae7e5b 288 "assume8bitencoding" => \$auto_8bit_encoding,
62e00690 289 "composeencoding" => \$compose_encoding,
8d814084 290 "transferencoding" => \$target_xfer_encoding,
34cc60ce 291);
4a62d3f5 292
cec5dae8
CS
293my %config_path_settings = (
294 "aliasesfile" => \@alias_files,
6e07a3b5 295 "smtpsslcertpath" => \$smtp_ssl_cert_path,
cec5dae8
CS
296);
297
87429976
MW
298# Handle Uncouth Termination
299sub signal_handler {
300
301 # Make text normal
302 print color("reset"), "\n";
303
304 # SMTP password masked
305 system "stty echo";
306
307 # tmp files from --compose
afe756c9
JS
308 if (defined $compose_filename) {
309 if (-e $compose_filename) {
3c5cd20c
VA
310 printf __("'%s' contains an intermediate version ".
311 "of the email you were composing.\n"),
312 $compose_filename;
afe756c9
JS
313 }
314 if (-e ($compose_filename . ".final")) {
3c5cd20c
VA
315 printf __("'%s.final' contains the composed email.\n"),
316 $compose_filename;
afe756c9 317 }
87429976
MW
318 }
319
320 exit;
321};
322
323$SIG{TERM} = \&signal_handler;
324$SIG{INT} = \&signal_handler;
325
c573572c
ÆAB
326# Read our sendemail.* config
327sub read_config {
3ff15040 328 my ($configured, $prefix) = @_;
c573572c
ÆAB
329
330 foreach my $setting (keys %config_bool_settings) {
3494dfd3
ÆAB
331 my $target = $config_bool_settings{$setting};
332 my $v = Git::config_bool(@repo, "$prefix.$setting");
3ff15040
ÆAB
333 next unless defined $v;
334 next if $configured->{$setting}++;
335 $$target = $v;
c573572c
ÆAB
336 }
337
338 foreach my $setting (keys %config_path_settings) {
339 my $target = $config_path_settings{$setting};
340 if (ref($target) eq "ARRAY") {
3ff15040
ÆAB
341 my @values = Git::config_path(@repo, "$prefix.$setting");
342 next unless @values;
343 next if $configured->{$setting}++;
344 @$target = @values;
c573572c
ÆAB
345 }
346 else {
3494dfd3 347 my $v = Git::config_path(@repo, "$prefix.$setting");
3ff15040
ÆAB
348 next unless defined $v;
349 next if $configured->{$setting}++;
350 $$target = $v;
c573572c
ÆAB
351 }
352 }
353
354 foreach my $setting (keys %config_settings) {
355 my $target = $config_settings{$setting};
c573572c 356 if (ref($target) eq "ARRAY") {
3ff15040
ÆAB
357 my @values = Git::config(@repo, "$prefix.$setting");
358 next unless @values;
359 next if $configured->{$setting}++;
360 @$target = @values;
c573572c
ÆAB
361 }
362 else {
3494dfd3 363 my $v = Git::config(@repo, "$prefix.$setting");
3ff15040
ÆAB
364 next unless defined $v;
365 next if $configured->{$setting}++;
366 $$target = $v;
c573572c
ÆAB
367 }
368 }
369
370 if (!defined $smtp_encryption) {
3ff15040
ÆAB
371 my $setting = "$prefix.smtpencryption";
372 my $enc = Git::config(@repo, $setting);
373 return unless defined $enc;
374 return if $configured->{$setting}++;
c573572c
ÆAB
375 if (defined $enc) {
376 $smtp_encryption = $enc;
377 } elsif (Git::config_bool(@repo, "$prefix.smtpssl")) {
378 $smtp_encryption = 'ssl';
379 }
380 }
381}
382
3ff15040
ÆAB
383# sendemail.identity yields to --identity. We must parse this
384# special-case first before the rest of the config is read.
3494dfd3 385$identity = Git::config(@repo, "sendemail.identity");
3ff15040
ÆAB
386my $rc = GetOptions(
387 "identity=s" => \$identity,
388 "no-identity" => \$no_identity,
389);
390usage() unless $rc;
391undef $identity if $no_identity;
392
393# Now we know enough to read the config
394{
395 my %configured;
396 read_config(\%configured, "sendemail.$identity") if defined $identity;
397 read_config(\%configured, "sendemail");
398}
3494dfd3 399
83b24437
RA
400# Begin by accumulating all the variables (defined above), that we will end up
401# needing, first, from the command line:
402
c5978246 403my $help;
13374987 404my $git_completion_helper;
3ff15040
ÆAB
405$rc = GetOptions("h" => \$help,
406 "dump-aliases" => \$dump_aliases);
17b7a832 407usage() unless $rc;
46493105 408die __("--dump-aliases incompatible with other options\n")
17b7a832
JK
409 if !$help and $dump_aliases and @ARGV;
410$rc = GetOptions(
c5978246 411 "sender|from=s" => \$sender,
15dc3b91 412 "in-reply-to=s" => \$initial_in_reply_to,
d11c943c 413 "reply-to=s" => \$reply_to,
83b24437 414 "subject=s" => \$initial_subject,
3494dfd3 415 "to=s" => \@getopt_to,
6e74e075 416 "to-cmd=s" => \$to_cmd,
f434c083 417 "no-to" => \$no_to,
3494dfd3 418 "cc=s" => \@getopt_cc,
f434c083 419 "no-cc" => \$no_cc,
3494dfd3 420 "bcc=s" => \@getopt_bcc,
f434c083 421 "no-bcc" => \$no_bcc,
78488b2c 422 "chain-reply-to!" => \$chain_reply_to,
f4714943 423 "no-chain-reply-to" => sub {$chain_reply_to = 0},
3342d850 424 "smtp-server=s" => \$smtp_server,
052fbea2 425 "smtp-server-option=s" => \@smtp_server_options,
44b2476a 426 "smtp-server-port=s" => \$smtp_server_port,
34cc60ce 427 "smtp-user=s" => \$smtp_authuser,
2363d746 428 "smtp-pass:s" => \$smtp_authpass,
f6bebd12
TR
429 "smtp-ssl" => sub { $smtp_encryption = 'ssl' },
430 "smtp-encryption=s" => \$smtp_encryption,
979e652a 431 "smtp-ssl-cert-path=s" => \$smtp_ssl_cert_path,
f60812ef 432 "smtp-debug:i" => \$debug_net_smtp,
69cf7bfd 433 "smtp-domain:s" => \$smtp_domain,
0f2e68b5 434 "smtp-auth=s" => \$smtp_auth,
8dd9b3f8 435 "no-smtp-auth" => sub {$smtp_auth = 'none'},
402596aa 436 "annotate!" => \$annotate,
f4714943 437 "no-annotate" => sub {$annotate = 0},
1f038a0c 438 "compose" => \$compose,
30d08b34 439 "quiet" => \$quiet,
324a8bd0 440 "cc-cmd=s" => \$cc_cmd,
5483c71d 441 "suppress-from!" => \$suppress_from,
f4714943 442 "no-suppress-from" => sub {$suppress_from = 0},
65648283 443 "suppress-cc=s" => \@suppress_cc,
ddc3d4fe 444 "signed-off-cc|signed-off-by-cc!" => \$signed_off_by_cc,
f4714943 445 "no-signed-off-cc|no-signed-off-by-cc" => sub {$signed_off_by_cc = 0},
f515c904 446 "cc-cover|cc-cover!" => \$cover_cc,
f4714943 447 "no-cc-cover" => sub {$cover_cc = 0},
f515c904 448 "to-cover|to-cover!" => \$cover_to,
f4714943 449 "no-to-cover" => sub {$cover_to = 0},
c1f2aa45 450 "confirm=s" => \$confirm,
6130259c 451 "dry-run" => \$dry_run,
f073a592 452 "envelope-sender=s" => \$envelope_sender,
5483c71d 453 "thread!" => \$thread,
f4714943 454 "no-thread" => sub {$thread = 0},
dbf5e1e9 455 "validate!" => \$validate,
f4714943 456 "no-validate" => sub {$validate = 0},
8d814084 457 "transfer-encoding=s" => \$target_xfer_encoding,
5df9fcf6 458 "format-patch!" => \$format_patch,
f4714943 459 "no-format-patch" => sub {$format_patch = 0},
3cae7e5b 460 "8bit-encoding=s" => \$auto_8bit_encoding,
62e00690 461 "compose-encoding=s" => \$compose_encoding,
a03bc5b6 462 "force" => \$force,
ac1596a6 463 "xmailer!" => \$use_xmailer,
f4714943 464 "no-xmailer" => sub {$use_xmailer = 0},
5453b83b 465 "batch-size=i" => \$batch_size,
466 "relogin-delay=i" => \$relogin_delay,
13374987 467 "git-completion-helper" => \$git_completion_helper,
83b24437
RA
468 );
469
3494dfd3
ÆAB
470# Munge any "either config or getopt, not both" variables
471my @initial_to = @getopt_to ? @getopt_to : ($no_to ? () : @config_to);
472my @initial_cc = @getopt_cc ? @getopt_cc : ($no_cc ? () : @config_cc);
473my @initial_bcc = @getopt_bcc ? @getopt_bcc : ($no_bcc ? () : @config_bcc);
474
c5978246 475usage() if $help;
13374987 476completion_helper() if $git_completion_helper;
1b0baf14
MC
477unless ($rc) {
478 usage();
479}
480
46493105 481die __("Cannot run git format-patch from outside a repository\n")
eed6ca7c
JS
482 if $format_patch and not $repo;
483
9caa7069
SB
484die __("`batch-size` and `relogin` must be specified together " .
485 "(via command-line or configuration option)\n")
486 if defined $relogin_delay and not defined $batch_size;
487
fa835cd5
TR
488# 'default' encryption is none -- this only prevents a warning
489$smtp_encryption = '' unless (defined $smtp_encryption);
490
65648283
DB
491# Set CC suppressions
492my(%suppress_cc);
493if (@suppress_cc) {
494 foreach my $entry (@suppress_cc) {
5a59a230
NTND
495 # Please update $__git_send_email_suppresscc_options
496 # in git-completion.bash when you add new options.
3c5cd20c 497 die sprintf(__("Unknown --suppress-cc field: '%s'\n"), $entry)
ef0cc1df 498 unless $entry =~ /^(?:all|cccmd|cc|author|self|sob|body|bodycc|misc-by)$/;
65648283
DB
499 $suppress_cc{$entry} = 1;
500 }
501}
502
503if ($suppress_cc{'all'}) {
ef0cc1df 504 foreach my $entry (qw (cccmd cc author self sob body bodycc misc-by)) {
65648283
DB
505 $suppress_cc{$entry} = 1;
506 }
507 delete $suppress_cc{'all'};
508}
509
510# If explicit old-style ones are specified, they trump --suppress-cc.
511$suppress_cc{'self'} = $suppress_from if defined $suppress_from;
ddc3d4fe 512$suppress_cc{'sob'} = !$signed_off_by_cc if defined $signed_off_by_cc;
65648283 513
3531e270 514if ($suppress_cc{'body'}) {
ef0cc1df 515 foreach my $entry (qw (sob bodycc misc-by)) {
3531e270
JS
516 $suppress_cc{$entry} = 1;
517 }
518 delete $suppress_cc{'body'};
519}
520
c1f2aa45
JS
521# Set confirm's default value
522my $confirm_unconfigured = !defined $confirm;
523if ($confirm_unconfigured) {
524 $confirm = scalar %suppress_cc ? 'compose' : 'auto';
525};
5a59a230
NTND
526# Please update $__git_send_email_confirm_options in
527# git-completion.bash when you add new options.
3c5cd20c 528die sprintf(__("Unknown --confirm setting: '%s'\n"), $confirm)
c1f2aa45
JS
529 unless $confirm =~ /^(?:auto|cc|compose|always|never)/;
530
65648283
DB
531# Debugging, print out the suppressions.
532if (0) {
533 print "suppressions:\n";
534 foreach my $entry (keys %suppress_cc) {
535 printf " %-5s -> $suppress_cc{$entry}\n", $entry;
536 }
537}
538
ad79c024
FL
539my ($repoauthor, $repocommitter);
540($repoauthor) = Git::ident_person(@repo, 'author');
541($repocommitter) = Git::ident_person(@repo, 'committer');
34cc60ce 542
5012699d 543sub parse_address_line {
bd869f67 544 return map { $_->format } Mail::Address->parse($_[0]);
5012699d
JS
545}
546
0e73b3ee 547sub split_addrs {
2f0e7cbb 548 return quotewords('\s*,\s*', 1, @_);
0e73b3ee
WF
549}
550
994d6c66 551my %aliases;
09f1157b
ES
552
553sub parse_sendmail_alias {
554 local $_ = shift;
555 if (/"/) {
3c5cd20c 556 printf STDERR __("warning: sendmail alias with quotes is not supported: %s\n"), $_;
86b89848 557 } elsif (/:include:/) {
3c5cd20c 558 printf STDERR __("warning: `:include:` not supported: %s\n"), $_;
86b89848 559 } elsif (/[\/|]/) {
3c5cd20c 560 printf STDERR __("warning: `/file` or `|pipe` redirection not supported: %s\n"), $_;
09f1157b
ES
561 } elsif (/^(\S+?)\s*:\s*(.+)$/) {
562 my ($alias, $addr) = ($1, $2);
563 $aliases{$alias} = [ split_addrs($addr) ];
564 } else {
3c5cd20c 565 printf STDERR __("warning: sendmail line is not recognized: %s\n"), $_;
09f1157b
ES
566 }
567}
568
569sub parse_sendmail_aliases {
570 my $fh = shift;
2532dd06 571 my $s = '';
09f1157b 572 while (<$fh>) {
2532dd06 573 chomp;
020be85f 574 next if /^\s*$/ || /^\s*#/;
2532dd06
ES
575 $s .= $_, next if $s =~ s/\\$// || s/^\s+//;
576 parse_sendmail_alias($s) if $s;
577 $s = $_;
09f1157b 578 }
2532dd06
ES
579 $s =~ s/\\$//; # silently tolerate stray '\' on last line
580 parse_sendmail_alias($s) if $s;
09f1157b
ES
581}
582
994d6c66
EW
583my %parse_alias = (
584 # multiline formats can be supported in the future
585 mutt => sub { my $fh = shift; while (<$fh>) {
ffc01f9b 586 if (/^\s*alias\s+(?:-group\s+\S+\s+)*(\S+)\s+(.*)$/) {
994d6c66
EW
587 my ($alias, $addr) = ($1, $2);
588 $addr =~ s/#.*$//; # mutt allows # comments
2c510f21
EW
589 # commas delimit multiple addresses
590 my @addr = split_addrs($addr);
591
592 # quotes may be escaped in the file,
593 # unescape them so we do not double-escape them later.
594 s/\\"/"/g foreach @addr;
595 $aliases{$alias} = \@addr
994d6c66
EW
596 }}},
597 mailrc => sub { my $fh = shift; while (<$fh>) {
a277d1ef 598 if (/^alias\s+(\S+)\s+(.*?)\s*$/) {
994d6c66 599 # spaces delimit multiple addresses
fe87c921 600 $aliases{$1} = [ quotewords('\s+', 0, $2) ];
994d6c66 601 }}},
73c427eb
TP
602 pine => sub { my $fh = shift; my $f='\t[^\t]*';
603 for (my $x = ''; defined($x); $x = $_) {
604 chomp $x;
605 $x .= $1 while(defined($_ = <$fh>) && /^ +(.*)$/);
606 $x =~ /^(\S+)$f\t\(?([^\t]+?)\)?(:?$f){0,2}$/ or next;
0e73b3ee 607 $aliases{$1} = [ split_addrs($2) ];
73c427eb 608 }},
7613ea35
BP
609 elm => sub { my $fh = shift;
610 while (<$fh>) {
611 if (/^(\S+)\s+=\s+[^=]+=\s(\S+)/) {
612 my ($alias, $addr) = ($1, $2);
613 $aliases{$alias} = [ split_addrs($addr) ];
614 }
615 } },
09f1157b 616 sendmail => \&parse_sendmail_aliases,
994d6c66
EW
617 gnus => sub { my $fh = shift; while (<$fh>) {
618 if (/\(define-mail-alias\s+"(\S+?)"\s+"(\S+?)"\)/) {
619 $aliases{$1} = [ $2 ];
620 }}}
5a59a230
NTND
621 # Please update _git_config() in git-completion.bash when you
622 # add new MUAs.
994d6c66
EW
623);
624
3cb8caf7 625if (@alias_files and $aliasfiletype and defined $parse_alias{$aliasfiletype}) {
994d6c66
EW
626 foreach my $file (@alias_files) {
627 open my $fh, '<', $file or die "opening $file: $!\n";
628 $parse_alias{$aliasfiletype}->($fh);
629 close $fh;
630 }
631}
632
17b7a832
JK
633if ($dump_aliases) {
634 print "$_\n" for (sort keys %aliases);
635 exit(0);
636}
637
9b397039
RR
638# is_format_patch_arg($f) returns 0 if $f names a patch, or 1 if
639# $f is a revision list specification to be passed to format-patch.
640sub is_format_patch_arg {
eed6ca7c 641 return unless $repo;
5df9fcf6
PH
642 my $f = shift;
643 try {
644 $repo->command('rev-parse', '--verify', '--quiet', $f);
645 if (defined($format_patch)) {
5df9fcf6
PH
646 return $format_patch;
647 }
3c5cd20c
VA
648 die sprintf(__ <<EOF, $f, $f);
649File '%s' exists but it could also be the range of commits
5df9fcf6
PH
650to produce patches for. Please disambiguate by...
651
3c5cd20c 652 * Saying "./%s" if you mean a file; or
5df9fcf6
PH
653 * Giving --format-patch option if you mean a range.
654EOF
655 } catch Git::Error::Command with {
9b397039 656 # Not a valid revision. Treat it as a filename.
5df9fcf6
PH
657 return 0;
658 }
659}
660
aa54892f
JK
661# Now that all the defaults are set, process the rest of the command line
662# arguments and collect up the files that need to be processed.
5df9fcf6 663my @rev_list_opts;
69f4ce55 664while (defined(my $f = shift @ARGV)) {
5df9fcf6
PH
665 if ($f eq "--") {
666 push @rev_list_opts, "--", @ARGV;
667 @ARGV = ();
9b397039 668 } elsif (-d $f and !is_format_patch_arg($f)) {
c6038169 669 opendir my $dh, $f
3c5cd20c 670 or die sprintf(__("Failed to opendir %s: %s"), $f, $!);
aa54892f 671
89bf1bac 672 push @files, grep { -f $_ } map { catfile($f, $_) }
c6038169
ÆAB
673 sort readdir $dh;
674 closedir $dh;
9b397039 675 } elsif ((-f $f or -p $f) and !is_format_patch_arg($f)) {
aa54892f 676 push @files, $f;
aa54892f 677 } else {
5df9fcf6 678 push @rev_list_opts, $f;
aa54892f
JK
679 }
680}
681
5df9fcf6 682if (@rev_list_opts) {
46493105 683 die __("Cannot run git format-patch from outside a repository\n")
eed6ca7c 684 unless $repo;
5df9fcf6
PH
685 push @files, $repo->command('format-patch', '-o', tempdir(CLEANUP => 1), @rev_list_opts);
686}
687
531220ba
JH
688@files = handle_backup_files(@files);
689
dbf5e1e9 690if ($validate) {
c764a0c2 691 foreach my $f (@files) {
300913bd 692 unless (-p $f) {
f2d06fb1 693 my $error = validate_patch($f, $target_xfer_encoding);
3c5cd20c
VA
694 $error and die sprintf(__("fatal: %s: %s\nwarning: no patches were sent\n"),
695 $f, $error);
300913bd 696 }
c764a0c2 697 }
747bbff9
JK
698}
699
aa54892f
JK
700if (@files) {
701 unless ($quiet) {
702 print $_,"\n" for (@files);
703 }
704} else {
46493105 705 print STDERR __("\nNo patch files specified!\n\n");
aa54892f
JK
706 usage();
707}
708
acf071b0 709sub get_patch_subject {
beece9da
PH
710 my $fn = shift;
711 open (my $fh, '<', $fn);
712 while (my $line = <$fh>) {
713 next unless ($line =~ /^Subject: (.*)$/);
714 close $fh;
715 return "GIT: $1\n";
716 }
717 close $fh;
3c5cd20c 718 die sprintf(__("No subject line in %s?"), $fn);
beece9da
PH
719}
720
721if ($compose) {
722 # Note that this does not need to be secure, but we will make a small
723 # effort to have it be unique
afe756c9
JS
724 $compose_filename = ($repo ?
725 tempfile(".gitsendemail.msg.XXXXXX", DIR => $repo->repo_path()) :
726 tempfile(".gitsendemail.msg.XXXXXX", DIR => "."))[1];
fe0f944f 727 open my $c, ">", $compose_filename
3c5cd20c 728 or die sprintf(__("Failed to open for writing %s: %s"), $compose_filename, $!);
beece9da
PH
729
730
731 my $tpl_sender = $sender || $repoauthor || $repocommitter || '';
732 my $tpl_subject = $initial_subject || '';
15dc3b91 733 my $tpl_in_reply_to = $initial_in_reply_to || '';
d11c943c 734 my $tpl_reply_to = $reply_to || '';
beece9da 735
70aedfb3 736 print $c <<EOT1, Git::prefix_lines("GIT: ", __ <<EOT2), <<EOT3;
beece9da 737From $tpl_sender # This line is ignored.
70aedfb3
VA
738EOT1
739Lines beginning in "GIT:" will be removed.
740Consider including an overall diffstat or table of contents
741for the patch you are writing.
742
743Clear the body content if you don't wish to send a summary.
744EOT2
beece9da 745From: $tpl_sender
d11c943c 746Reply-To: $tpl_reply_to
beece9da 747Subject: $tpl_subject
15dc3b91 748In-Reply-To: $tpl_in_reply_to
beece9da 749
70aedfb3 750EOT3
beece9da 751 for my $f (@files) {
fe0f944f 752 print $c get_patch_subject($f);
beece9da 753 }
fe0f944f 754 close $c;
beece9da 755
beece9da
PH
756 if ($annotate) {
757 do_edit($compose_filename, @files);
758 } else {
759 do_edit($compose_filename);
760 }
761
fe0f944f 762 open $c, "<", $compose_filename
3c5cd20c 763 or die sprintf(__("Failed to open %s: %s"), $compose_filename, $!);
beece9da 764
4a47a4dd
KM
765 if (!defined $compose_encoding) {
766 $compose_encoding = "UTF-8";
767 }
b6049542
NP
768
769 my %parsed_email;
770 while (my $line = <$c>) {
771 next if $line =~ m/^GIT:/;
772 parse_header_line($line, \%parsed_email);
773 if ($line =~ /^$/) {
774 $parsed_email{'body'} = filter_body($c);
beece9da 775 }
beece9da 776 }
fe0f944f 777 close $c;
beece9da 778
b6049542
NP
779 open my $c2, ">", $compose_filename . ".final"
780 or die sprintf(__("Failed to open %s.final: %s"), $compose_filename, $!);
781
782
783 if ($parsed_email{'From'}) {
784 $sender = delete($parsed_email{'From'});
785 }
786 if ($parsed_email{'In-Reply-To'}) {
15dc3b91 787 $initial_in_reply_to = delete($parsed_email{'In-Reply-To'});
b6049542 788 }
d11c943c
CL
789 if ($parsed_email{'Reply-To'}) {
790 $reply_to = delete($parsed_email{'Reply-To'});
b6049542
NP
791 }
792 if ($parsed_email{'Subject'}) {
793 $initial_subject = delete($parsed_email{'Subject'});
794 print $c2 "Subject: " .
795 quote_subject($initial_subject, $compose_encoding) .
796 "\n";
797 }
798
799 if ($parsed_email{'MIME-Version'}) {
800 print $c2 "MIME-Version: $parsed_email{'MIME-Version'}\n",
801 "Content-Type: $parsed_email{'Content-Type'};\n",
802 "Content-Transfer-Encoding: $parsed_email{'Content-Transfer-Encoding'}\n";
803 delete($parsed_email{'MIME-Version'});
804 delete($parsed_email{'Content-Type'});
805 delete($parsed_email{'Content-Transfer-Encoding'});
806 } elsif (file_has_nonascii($compose_filename)) {
807 my $content_type = (delete($parsed_email{'Content-Type'}) or
808 "text/plain; charset=$compose_encoding");
809 print $c2 "MIME-Version: 1.0\n",
810 "Content-Type: $content_type\n",
811 "Content-Transfer-Encoding: 8bit\n";
812 }
813 # Preserve unknown headers
814 foreach my $key (keys %parsed_email) {
815 next if $key eq 'body';
816 print $c2 "$key: $parsed_email{$key}";
817 }
818
819 if ($parsed_email{'body'}) {
820 print $c2 "\n$parsed_email{'body'}\n";
821 delete($parsed_email{'body'});
822 } else {
46493105 823 print __("Summary email is empty, skipping it\n");
beece9da
PH
824 $compose = -1;
825 }
b6049542
NP
826
827 close $c2;
828
beece9da
PH
829} elsif ($annotate) {
830 do_edit(@files);
831}
832
6e182518
JS
833sub ask {
834 my ($prompt, %arg) = @_;
0da43a68 835 my $valid_re = $arg{valid_re};
6e182518 836 my $default = $arg{default};
51bbccfd 837 my $confirm_only = $arg{confirm_only};
6e182518
JS
838 my $resp;
839 my $i = 0;
5906f54e
JS
840 return defined $default ? $default : undef
841 unless defined $term->IN and defined fileno($term->IN) and
842 defined $term->OUT and defined fileno($term->OUT);
6e182518
JS
843 while ($i++ < 10) {
844 $resp = $term->readline($prompt);
845 if (!defined $resp) { # EOF
846 print "\n";
847 return defined $default ? $default : undef;
848 }
849 if ($resp eq '' and defined $default) {
850 return $default;
851 }
0da43a68 852 if (!defined $valid_re or $resp =~ /$valid_re/) {
6e182518
JS
853 return $resp;
854 }
51bbccfd 855 if ($confirm_only) {
3c5cd20c
VA
856 my $yesno = $term->readline(
857 # TRANSLATORS: please keep [y/N] as is.
858 sprintf(__("Are you sure you want to use <%s> [y/N]? "), $resp));
51bbccfd
JH
859 if (defined $yesno && $yesno =~ /y/i) {
860 return $resp;
861 }
862 }
6e182518 863 }
622bc930 864 return;
6e182518
JS
865}
866
b6049542
NP
867sub parse_header_line {
868 my $lines = shift;
869 my $parsed_line = shift;
870 my $addr_pat = join "|", qw(To Cc Bcc);
871
872 foreach (split(/\n/, $lines)) {
873 if (/^($addr_pat):\s*(.+)$/i) {
874 $parsed_line->{$1} = [ parse_address_line($2) ];
875 } elsif (/^([^:]*):\s*(.+)\s*$/i) {
876 $parsed_line->{$1} = $2;
877 }
878 }
879}
880
881sub filter_body {
882 my $c = shift;
883 my $body = "";
884 while (my $body_line = <$c>) {
885 if ($body_line !~ m/^GIT:/) {
886 $body .= $body_line;
887 }
888 }
889 return $body;
890}
891
892
3cae7e5b
TR
893my %broken_encoding;
894
1d50bfd9 895sub file_declares_8bit_cte {
3cae7e5b
TR
896 my $fn = shift;
897 open (my $fh, '<', $fn);
898 while (my $line = <$fh>) {
899 last if ($line =~ /^$/);
900 return 1 if ($line =~ /^Content-Transfer-Encoding: .*8bit.*$/);
901 }
902 close $fh;
903 return 0;
904}
905
906foreach my $f (@files) {
907 next unless (body_or_subject_has_nonascii($f)
908 && !file_declares_8bit_cte($f));
909 $broken_encoding{$f} = 1;
910}
911
912if (!defined $auto_8bit_encoding && scalar %broken_encoding) {
a4dde4c4
VA
913 print __("The following files are 8bit, but do not declare " .
914 "a Content-Transfer-Encoding.\n");
3cae7e5b
TR
915 foreach my $f (sort keys %broken_encoding) {
916 print " $f\n";
917 }
a4dde4c4 918 $auto_8bit_encoding = ask(__("Which 8bit encoding should I declare [UTF-8]? "),
852a15d7 919 valid_re => qr/.{4}/, confirm_only => 1,
3cae7e5b
TR
920 default => "UTF-8");
921}
922
a03bc5b6
TR
923if (!$force) {
924 for my $f (@files) {
0d290a46 925 if (get_patch_subject($f) =~ /\Q*** SUBJECT HERE ***\E/) {
3c5cd20c 926 die sprintf(__("Refusing to send because the patch\n\t%s\n"
a03bc5b6 927 . "has the template subject '*** SUBJECT HERE ***'. "
3c5cd20c 928 . "Pass --force if you really want to send.\n"), $f);
a03bc5b6
TR
929 }
930 }
931}
932
c46e27aa 933if (defined $sender) {
fa5b1aa9 934 $sender =~ s/^\s+|\s+$//g;
c46e27aa
RL
935 ($sender) = expand_aliases($sender);
936} else {
ad79c024 937 $sender = $repoauthor || $repocommitter || '';
83b24437
RA
938}
939
da18759e
MT
940# $sender could be an already sanitized address
941# (e.g. sendemail.from could be manually sanitized by user).
942# But it's a no-op to run sanitize_address on an already sanitized address.
943$sender = sanitize_address($sender);
944
a4dde4c4 945my $to_whom = __("To whom should the emails be sent (if anyone)?");
8cac13dc 946my $prompting = 0;
8796ff7f 947if (!@initial_to && !defined $to_cmd) {
0d6b21e7 948 my $to = ask("$to_whom ",
61837493 949 default => "",
51bbccfd 950 valid_re => qr/\@.*\./, confirm_only => 1);
3c3bb51c 951 push @initial_to, parse_address_line($to) if defined $to; # sanitized/validated later
1f038a0c 952 $prompting++;
83b24437
RA
953}
954
994d6c66 955sub expand_aliases {
302e04ea
JK
956 return map { expand_one_alias($_) } @_;
957}
958
959my %EXPANDED_ALIASES;
960sub expand_one_alias {
961 my $alias = shift;
962 if ($EXPANDED_ALIASES{$alias}) {
3c5cd20c 963 die sprintf(__("fatal: alias '%s' expands to itself\n"), $alias);
302e04ea
JK
964 }
965 local $EXPANDED_ALIASES{$alias} = 1;
966 return $aliases{$alias} ? expand_aliases(@{$aliases{$alias}}) : $alias;
994d6c66
EW
967}
968
b5e112d8
RL
969@initial_to = process_address_list(@initial_to);
970@initial_cc = process_address_list(@initial_cc);
e60f6d13 971@initial_bcc = process_address_list(@initial_bcc);
994d6c66 972
15dc3b91
CL
973if ($thread && !defined $initial_in_reply_to && $prompting) {
974 $initial_in_reply_to = ask(
a4dde4c4 975 __("Message-ID to be used as In-Reply-To for the first email (if any)? "),
61837493 976 default => "",
51bbccfd 977 valid_re => qr/\@.*\./, confirm_only => 1);
83b24437 978}
15dc3b91
CL
979if (defined $initial_in_reply_to) {
980 $initial_in_reply_to =~ s/^\s*<?//;
981 $initial_in_reply_to =~ s/>?\s*$//;
982 $initial_in_reply_to = "<$initial_in_reply_to>" if $initial_in_reply_to ne '';
ace9c2a9 983}
ace72086 984
d11c943c
CL
985if (defined $reply_to) {
986 $reply_to =~ s/^\s+|\s+$//g;
987 ($reply_to) = expand_aliases($reply_to);
988 $reply_to = sanitize_address($reply_to);
ace9c2a9 989}
ace72086 990
34cc60ce 991if (!defined $smtp_server) {
1ab2fd4f
FK
992 my @sendmail_paths = qw( /usr/sbin/sendmail /usr/lib/sendmail );
993 push @sendmail_paths, map {"$_/sendmail"} split /:/, $ENV{PATH};
994 foreach (@sendmail_paths) {
aca7ad76
EW
995 if (-x $_) {
996 $smtp_server = $_;
997 last;
998 }
999 }
1000 $smtp_server ||= 'localhost'; # could be 127.0.0.1, too... *shrug*
3342d850
RA
1001}
1002
c1f2aa45
JS
1003if ($compose && $compose > 0) {
1004 @files = ($compose_filename . ".final", @files);
1f038a0c
RA
1005}
1006
83b24437 1007# Variables we set as part of the loop over files
15dc3b91 1008our ($message_id, %mail, $subject, $in_reply_to, $references, $message,
dc1460aa 1009 $needs_confirm, $message_num, $ask_default);
83b24437 1010
567ffeb7
EW
1011sub extract_valid_address {
1012 my $address = shift;
35b6ab95
ÆAB
1013 my $local_part_regexp = qr/[^<>"\s@]+/;
1014 my $domain_regexp = qr/[^.<>"\s@]+(?:\.[^.<>"\s@]+)+/;
db3106b2
EW
1015
1016 # check for a local address:
ad9c18f5 1017 return $address if ($address =~ /^($local_part_regexp)$/);
db3106b2 1018
155197e6 1019 $address =~ s/^\s*<(.*)>\s*$/$1/;
567ffeb7 1020 if ($have_email_valid) {
ad9c18f5 1021 return scalar Email::Valid->address($address);
567ffeb7 1022 }
95c0d4b6
KM
1023
1024 # less robust/correct than the monster regexp in Email::Valid,
1025 # but still does a 99% job, and one less dependency
1026 return $1 if $address =~ /($local_part_regexp\@$domain_regexp)/;
622bc930 1027 return;
567ffeb7 1028}
83b24437 1029
e4312255
KM
1030sub extract_valid_address_or_die {
1031 my $address = shift;
1032 $address = extract_valid_address($address);
3c5cd20c 1033 die sprintf(__("error: unable to extract a valid address from: %s\n"), $address)
e4312255
KM
1034 if !$address;
1035 return $address;
1036}
1037
1038sub validate_address {
1039 my $address = shift;
d0e98107 1040 while (!extract_valid_address($address)) {
3c5cd20c 1041 printf STDERR __("error: unable to extract a valid address from: %s\n"), $address;
a4dde4c4
VA
1042 # TRANSLATORS: Make sure to include [q] [d] [e] in your
1043 # translation. The program will only accept English input
1044 # at this point.
1045 $_ = ask(__("What to do with this address? ([q]uit|[d]rop|[e]dit): "),
d0e98107 1046 valid_re => qr/^(?:quit|q|drop|d|edit|e)/i,
5c80afed
KM
1047 default => 'q');
1048 if (/^d/i) {
1049 return undef;
1050 } elsif (/^q/i) {
1051 cleanup_compose_files();
1052 exit(0);
1053 }
0d6b21e7 1054 $address = ask("$to_whom ",
d0e98107
KM
1055 default => "",
1056 valid_re => qr/\@.*\./, confirm_only => 1);
e4312255
KM
1057 }
1058 return $address;
1059}
1060
1061sub validate_address_list {
1062 return (grep { defined $_ }
1063 map { validate_address($_) } @_);
567ffeb7 1064}
83b24437
RA
1065
1066# Usually don't need to change anything below here.
1067
1068# we make a "fake" message id by taking the current number
1069# of seconds since the beginning of Unix time and tacking on
1070# a random number to the end, in case we are called quicker than
1071# 1 second since the last time we were called.
8037d1a3
RA
1072
1073# We'll setup a template for the message id, using the "from" address:
8037d1a3 1074
be510cfe 1075my ($message_id_stamp, $message_id_serial);
68ce9330 1076sub make_message_id {
be510cfe
JH
1077 my $uniq;
1078 if (!defined $message_id_stamp) {
f916ab0c 1079 $message_id_stamp = strftime("%Y%m%d%H%M%S.$$", gmtime(time));
be510cfe
JH
1080 $message_id_serial = 0;
1081 }
1082 $message_id_serial++;
1083 $uniq = "$message_id_stamp-$message_id_serial";
1084
aeb59328 1085 my $du_part;
94638f89
UKK
1086 for ($sender, $repocommitter, $repoauthor) {
1087 $du_part = extract_valid_address(sanitize_address($_));
1088 last if (defined $du_part and $du_part ne '');
aeb59328 1089 }
94638f89 1090 if (not defined $du_part or $du_part eq '') {
529dd386 1091 require Sys::Hostname;
aeb59328
JH
1092 $du_part = 'user@' . Sys::Hostname::hostname();
1093 }
f916ab0c 1094 my $message_id_template = "<%s-%s>";
be510cfe 1095 $message_id = sprintf($message_id_template, $uniq, $du_part);
8037d1a3 1096 #print "new message id = $message_id\n"; # Was useful for debugging
83b24437
RA
1097}
1098
1099
1100
a5370b16 1101$time = time - scalar $#files;
83b24437 1102
374c5905
JR
1103sub unquote_rfc2047 {
1104 local ($_) = @_;
11f70a7e 1105 my $charset;
ab47e2a5
РД
1106 my $sep = qr/[ \t]+/;
1107 s{$re_encoded_word(?:$sep$re_encoded_word)*}{
1108 my @words = split $sep, $&;
1109 foreach (@words) {
1110 m/$re_encoded_word/;
1111 $charset = $1;
1112 my $encoding = $2;
1113 my $text = $3;
1114 if ($encoding eq 'q' || $encoding eq 'Q') {
1115 $_ = $text;
1116 s/_/ /g;
1117 s/=([0-9A-F]{2})/chr(hex($1))/egi;
1118 } else {
1119 # other encodings not supported yet
1120 }
11f70a7e 1121 }
ab47e2a5 1122 join '', @words;
b622d4d1 1123 }eg;
11f70a7e 1124 return wantarray ? ($_, $charset) : $_;
374c5905
JR
1125}
1126
d54eaaa2
JK
1127sub quote_rfc2047 {
1128 local $_ = shift;
d1fff6fc 1129 my $encoding = shift || 'UTF-8';
d54eaaa2
JK
1130 s/([^-a-zA-Z0-9!*+\/])/sprintf("=%02X", ord($1))/eg;
1131 s/(.*)/=\?$encoding\?q\?$1\?=/;
1132 return $_;
1133}
1134
a3a8262b
BC
1135sub is_rfc2047_quoted {
1136 my $s = shift;
a3a8262b 1137 length($s) <= 75 &&
11f70a7e 1138 $s =~ m/^(?:"[[:ascii:]]*"|$re_encoded_word)$/o;
a3a8262b
BC
1139}
1140
ce547800
KM
1141sub subject_needs_rfc2047_quoting {
1142 my $s = shift;
1143
ce1459f7 1144 return ($s =~ /[^[:ascii:]]/) || ($s =~ /=\?/);
ce547800
KM
1145}
1146
1147sub quote_subject {
1148 local $subject = shift;
1149 my $encoding = shift || 'UTF-8';
1150
1151 if (subject_needs_rfc2047_quoting($subject)) {
1152 return quote_rfc2047($subject, $encoding);
1153 }
1154 return $subject;
1155}
1156
5b56aaa2 1157# use the simplest quoting being able to handle the recipient
68ce9330 1158sub sanitize_address {
732263d4 1159 my ($recipient) = @_;
831a488b
KM
1160
1161 # remove garbage after email address
1162 $recipient =~ s/(.*>).*$/$1/;
1163
5b56aaa2
UKK
1164 my ($recipient_name, $recipient_addr) = ($recipient =~ /^(.*?)\s*(<.*)/);
1165
1166 if (not $recipient_name) {
ff483897 1167 return $recipient;
5b56aaa2
UKK
1168 }
1169
1170 # if recipient_name is already quoted, do nothing
a3a8262b 1171 if (is_rfc2047_quoted($recipient_name)) {
5b56aaa2
UKK
1172 return $recipient;
1173 }
1174
1fe9703f
RL
1175 # remove non-escaped quotes
1176 $recipient_name =~ s/(^|[^\\])"/$1/g;
1177
5b56aaa2
UKK
1178 # rfc2047 is needed if a non-ascii char is included
1179 if ($recipient_name =~ /[^[:ascii:]]/) {
d54eaaa2 1180 $recipient_name = quote_rfc2047($recipient_name);
732263d4 1181 }
5b56aaa2
UKK
1182
1183 # double quotes are needed if specials or CTLs are included
1184 elsif ($recipient_name =~ /[][()<>@,;:\\".\000-\037\177]/) {
1fe9703f 1185 $recipient_name =~ s/([\\\r])/\\$1/g;
d5c7d69d 1186 $recipient_name = qq["$recipient_name"];
5b56aaa2
UKK
1187 }
1188
1189 return "$recipient_name $recipient_addr";
1190
732263d4
RJ
1191}
1192
cb2922fe
MM
1193sub strip_garbage_one_address {
1194 my ($addr) = @_;
1195 chomp $addr;
1196 if ($addr =~ /^(("[^"]*"|[^"<]*)? *<[^>]*>).*/) {
1197 # "Foo Bar" <foobar@example.com> [possibly garbage here]
1198 # Foo Bar <foobar@example.com> [possibly garbage here]
1199 return $1;
1200 }
1201 if ($addr =~ /^(<[^>]*>).*/) {
1202 # <foo@example.com> [possibly garbage here]
1203 # if garbage contains other addresses, they are ignored.
1204 return $1;
1205 }
1206 if ($addr =~ /^([^"#,\s]*)/) {
1207 # address without quoting: remove anything after the address
1208 return $1;
1209 }
1210 return $addr;
1211}
1212
e4312255
KM
1213sub sanitize_address_list {
1214 return (map { sanitize_address($_) } @_);
1215}
1216
b5e112d8 1217sub process_address_list {
b1c8a11c
RL
1218 my @addr_list = map { parse_address_line($_) } @_;
1219 @addr_list = expand_aliases(@addr_list);
b5e112d8
RL
1220 @addr_list = sanitize_address_list(@addr_list);
1221 @addr_list = validate_address_list(@addr_list);
1222 return @addr_list;
1223}
1224
134550fe
JA
1225# Returns the local Fully Qualified Domain Name (FQDN) if available.
1226#
1227# Tightly configured MTAa require that a caller sends a real DNS
1228# domain name that corresponds the IP address in the HELO/EHLO
1229# handshake. This is used to verify the connection and prevent
1230# spammers from trying to hide their identity. If the DNS and IP don't
1231# match, the receiveing MTA may deny the connection.
1232#
1233# Here is a deny example of Net::SMTP with the default "localhost.localdomain"
1234#
1235# Net::SMTP=GLOB(0x267ec28)>>> EHLO localhost.localdomain
1236# Net::SMTP=GLOB(0x267ec28)<<< 550 EHLO argument does not match calling host
1237#
1238# This maildomain*() code is based on ideas in Perl library Test::Reporter
1239# /usr/share/perl5/Test/Reporter/Mail/Util.pm ==> sub _maildomain ()
1240
59a86303
BG
1241sub valid_fqdn {
1242 my $domain = shift;
61ef5e9b 1243 return defined $domain && !($^O eq 'darwin' && $domain =~ /\.local$/) && $domain =~ /\./;
59a86303
BG
1244}
1245
68ce9330 1246sub maildomain_net {
134550fe
JA
1247 my $maildomain;
1248
1046c118
ÆAB
1249 my $domain = Net::Domain::domainname();
1250 $maildomain = $domain if valid_fqdn($domain);
134550fe
JA
1251
1252 return $maildomain;
1253}
1254
68ce9330 1255sub maildomain_mta {
134550fe
JA
1256 my $maildomain;
1257
1046c118
ÆAB
1258 for my $host (qw(mailhost localhost)) {
1259 my $smtp = Net::SMTP->new($host);
1260 if (defined $smtp) {
1261 my $domain = $smtp->domain;
1262 $smtp->quit;
134550fe 1263
1046c118 1264 $maildomain = $domain if valid_fqdn($domain);
134550fe 1265
1046c118 1266 last if $maildomain;
134550fe
JA
1267 }
1268 }
1269
1270 return $maildomain;
1271}
1272
68ce9330 1273sub maildomain {
69cf7bfd 1274 return maildomain_net() || maildomain_mta() || 'localhost.localdomain';
134550fe
JA
1275}
1276
4d31a44a
MN
1277sub smtp_host_string {
1278 if (defined $smtp_server_port) {
1279 return "$smtp_server:$smtp_server_port";
1280 } else {
1281 return $smtp_server;
1282 }
1283}
1284
1285# Returns 1 if authentication succeeded or was not necessary
1286# (smtp_user was not specified), and 0 otherwise.
1287
1288sub smtp_auth_maybe {
8dd9b3f8 1289 if (!defined $smtp_authuser || $auth || (defined $smtp_auth && $smtp_auth eq "none")) {
4d31a44a
MN
1290 return 1;
1291 }
1292
1293 # Workaround AUTH PLAIN/LOGIN interaction defect
1294 # with Authen::SASL::Cyrus
1295 eval {
1296 require Authen::SASL;
1297 Authen::SASL->import(qw(Perl));
1298 };
1299
0f2e68b5
JV
1300 # Check mechanism naming as defined in:
1301 # https://tools.ietf.org/html/rfc4422#page-8
904f6e7c 1302 if ($smtp_auth && $smtp_auth !~ /^(\b[A-Z0-9-_]{1,20}\s*)*$/) {
0f2e68b5
JV
1303 die "invalid smtp auth: '${smtp_auth}'";
1304 }
1305
4d31a44a
MN
1306 # TODO: Authentication may fail not because credentials were
1307 # invalid but due to other reasons, in which we should not
1308 # reject credentials.
1309 $auth = Git::credential({
1310 'protocol' => 'smtp',
1311 'host' => smtp_host_string(),
1312 'username' => $smtp_authuser,
1313 # if there's no password, "git credential fill" will
1314 # give us one, otherwise it'll just pass this one.
1315 'password' => $smtp_authpass
1316 }, sub {
1317 my $cred = shift;
0f2e68b5
JV
1318
1319 if ($smtp_auth) {
1320 my $sasl = Authen::SASL->new(
1321 mechanism => $smtp_auth,
1322 callback => {
1323 user => $cred->{'username'},
1324 pass => $cred->{'password'},
1325 authname => $cred->{'username'},
1326 }
1327 );
1328
1329 return !!$smtp->auth($sasl);
1330 }
1331
4d31a44a
MN
1332 return !!$smtp->auth($cred->{'username'}, $cred->{'password'});
1333 });
1334
1335 return $auth;
1336}
1337
35035bbf
RR
1338sub ssl_verify_params {
1339 eval {
1340 require IO::Socket::SSL;
1341 IO::Socket::SSL->import(qw/SSL_VERIFY_PEER SSL_VERIFY_NONE/);
1342 };
1343 if ($@) {
1344 print STDERR "Not using SSL_VERIFY_PEER due to out-of-date IO::Socket::SSL.\n";
1345 return;
1346 }
1347
1348 if (!defined $smtp_ssl_cert_path) {
01645b74
RK
1349 # use the OpenSSL defaults
1350 return (SSL_verify_mode => SSL_VERIFY_PEER());
35035bbf
RR
1351 }
1352
1353 if ($smtp_ssl_cert_path eq "") {
1354 return (SSL_verify_mode => SSL_VERIFY_NONE());
1355 } elsif (-d $smtp_ssl_cert_path) {
1356 return (SSL_verify_mode => SSL_VERIFY_PEER(),
1357 SSL_ca_path => $smtp_ssl_cert_path);
1358 } elsif (-f $smtp_ssl_cert_path) {
1359 return (SSL_verify_mode => SSL_VERIFY_PEER(),
1360 SSL_ca_file => $smtp_ssl_cert_path);
1361 } else {
3c5cd20c 1362 die sprintf(__("CA path \"%s\" does not exist"), $smtp_ssl_cert_path);
35035bbf
RR
1363 }
1364}
1365
cb005c1f
EFL
1366sub file_name_is_absolute {
1367 my ($path) = @_;
1368
1369 # msys does not grok DOS drive-prefixes
1370 if ($^O eq 'msys') {
f24ecf59 1371 return ($path =~ m#^/# || $path =~ m#^[a-zA-Z]\:#)
cb005c1f
EFL
1372 }
1373
1374 require File::Spec::Functions;
1375 return File::Spec::Functions::file_name_is_absolute($path);
1376}
1377
04c4a4e8
DD
1378# Prepares the email, then asks the user what to do.
1379#
1380# If the user chooses to send the email, it's sent and 1 is returned.
1381# If the user chooses not to send the email, 0 is returned.
1382# If the user decides they want to make further edits, -1 is returned and the
1383# caller is expected to call send_message again after the edits are performed.
1384#
1385# If an error occurs sending the email, this just dies.
15da1084 1386
68ce9330 1387sub send_message {
4bc87a28 1388 my @recipients = unique_email_list(@to);
e4312255 1389 @cc = (grep { my $cc = extract_valid_address_or_die($_);
83acaaec 1390 not grep { $cc eq $_ || $_ =~ /<\Q${cc}\E>$/ } @recipients
7ac17529 1391 }
7ac17529 1392 @cc);
4bc87a28 1393 my $to = join (",\n\t", @recipients);
e60f6d13 1394 @recipients = unique_email_list(@recipients,@cc,@initial_bcc);
e4312255 1395 @recipients = (map { extract_valid_address_or_die($_) } @recipients);
6bdca890 1396 my $date = format_2822_time($time++);
e923effb
ML
1397 my $gitversion = '@@GIT_VERSION@@';
1398 if ($gitversion =~ m/..GIT_VERSION../) {
3cb8caf7 1399 $gitversion = Git::version();
e923effb 1400 }
4bc87a28 1401
02461e0e 1402 my $cc = join(",\n\t", unique_email_list(@cc));
f06a6a49
JH
1403 my $ccline = "";
1404 if ($cc ne '') {
1405 $ccline = "\nCc: $cc";
1406 }
4f3d3703 1407 make_message_id() unless defined($message_id);
aeb59328 1408
da18759e 1409 my $header = "From: $sender
f06a6a49 1410To: $to${ccline}
4bc87a28 1411Subject: $subject
4bc87a28
EW
1412Date: $date
1413Message-Id: $message_id
4bc87a28 1414";
ac1596a6
LH
1415 if ($use_xmailer) {
1416 $header .= "X-Mailer: git-send-email $gitversion\n";
1417 }
15dc3b91 1418 if ($in_reply_to) {
7ccf7927 1419
15dc3b91 1420 $header .= "In-Reply-To: $in_reply_to\n";
7ccf7927
RA
1421 $header .= "References: $references\n";
1422 }
d11c943c
CL
1423 if ($reply_to) {
1424 $header .= "Reply-To: $reply_to\n";
1425 }
ce91c2f6
JH
1426 if (@xh) {
1427 $header .= join("\n", @xh) . "\n";
1428 }
4bc87a28 1429
c38f0247 1430 my @sendmail_parameters = ('-i', @recipients);
da18759e 1431 my $raw_from = $sender;
c89e3241
FC
1432 if (defined $envelope_sender && $envelope_sender ne "auto") {
1433 $raw_from = $envelope_sender;
1434 }
f073a592
RJ
1435 $raw_from = extract_valid_address($raw_from);
1436 unshift (@sendmail_parameters,
1437 '-f', $raw_from) if(defined $envelope_sender);
8e3d436b 1438
c1f2aa45
JS
1439 if ($needs_confirm && !$dry_run) {
1440 print "\n$header\n";
1441 if ($needs_confirm eq "inform") {
1442 $confirm_unconfigured = 0; # squelch this message for the rest of this run
6e182518 1443 $ask_default = "y"; # assume yes on EOF since user hasn't explicitly asked for confirmation
a4dde4c4
VA
1444 print __ <<EOF ;
1445 The Cc list above has been expanded by additional
1446 addresses found in the patch commit message. By default
1447 send-email prompts before sending whenever this occurs.
1448 This behavior is controlled by the sendemail.confirm
1449 configuration setting.
1450
1451 For additional information, run 'git send-email --help'.
1452 To retain the current behavior, but squelch this message,
1453 run 'git config --global sendemail.confirm auto'.
1454
1455EOF
c1f2aa45 1456 }
04c4a4e8 1457 # TRANSLATORS: Make sure to include [y] [n] [e] [q] [a] in your
a4dde4c4
VA
1458 # translation. The program will only accept English input
1459 # at this point.
04c4a4e8
DD
1460 $_ = ask(__("Send this email? ([y]es|[n]o|[e]dit|[q]uit|[a]ll): "),
1461 valid_re => qr/^(?:yes|y|no|n|edit|e|quit|q|all|a)/i,
6e182518 1462 default => $ask_default);
46493105 1463 die __("Send this email reply required") unless defined $_;
c1f2aa45 1464 if (/^n/i) {
15da1084 1465 return 0;
04c4a4e8
DD
1466 } elsif (/^e/i) {
1467 return -1;
c1f2aa45
JS
1468 } elsif (/^q/i) {
1469 cleanup_compose_files();
1470 exit(0);
1471 } elsif (/^a/i) {
1472 $confirm = 'never';
1473 }
1474 }
1475
052fbea2
PO
1476 unshift (@sendmail_parameters, @smtp_server_options);
1477
6130259c
MW
1478 if ($dry_run) {
1479 # We don't want to send the email.
cb005c1f 1480 } elsif (file_name_is_absolute($smtp_server)) {
aca7ad76
EW
1481 my $pid = open my $sm, '|-';
1482 defined $pid or die $!;
1483 if (!$pid) {
8e3d436b 1484 exec($smtp_server, @sendmail_parameters) or die $!;
aca7ad76
EW
1485 }
1486 print $sm "$header\n$message";
5e2c2ab1 1487 close $sm or die $!;
aca7ad76 1488 } else {
44b2476a
JH
1489
1490 if (!defined $smtp_server) {
46493105 1491 die __("The required SMTP server is not properly defined.")
44b2476a
JH
1492 }
1493
0ead000c 1494 require Net::SMTP;
bfbfc9a9 1495 my $use_net_smtp_ssl = version->parse($Net::SMTP::VERSION) < version->parse("2.34");
0ead000c
DK
1496 $smtp_domain ||= maildomain();
1497
f6bebd12 1498 if ($smtp_encryption eq 'ssl') {
44b2476a 1499 $smtp_server_port ||= 465; # ssmtp
5508f3ed 1500 require IO::Socket::SSL;
9d605249
JK
1501
1502 # Suppress "variable accessed once" warning.
1503 {
1504 no warnings 'once';
1505 $IO::Socket::SSL::DEBUG = 1;
1506 }
1507
5508f3ed
TR
1508 # Net::SMTP::SSL->new() does not forward any SSL options
1509 IO::Socket::SSL::set_client_defaults(
1510 ssl_verify_params());
0ead000c
DK
1511
1512 if ($use_net_smtp_ssl) {
1513 require Net::SMTP::SSL;
1514 $smtp ||= Net::SMTP::SSL->new($smtp_server,
1515 Hello => $smtp_domain,
1516 Port => $smtp_server_port,
1517 Debug => $debug_net_smtp);
1518 }
1519 else {
1520 $smtp ||= Net::SMTP->new($smtp_server,
1521 Hello => $smtp_domain,
1522 Port => $smtp_server_port,
1523 Debug => $debug_net_smtp,
1524 SSL => 1);
1525 }
34cc60ce 1526 }
636f3d7a 1527 elsif (!$smtp) {
1a741bf7 1528 $smtp_server_port ||= 25;
1529 $smtp ||= Net::SMTP->new($smtp_server,
69cf7bfd 1530 Hello => $smtp_domain,
1a741bf7 1531 Debug => $debug_net_smtp,
1532 Port => $smtp_server_port);
fb3650ed 1533 if ($smtp_encryption eq 'tls' && $smtp) {
0ead000c
DK
1534 if ($use_net_smtp_ssl) {
1535 $smtp->command('STARTTLS');
1536 $smtp->response();
1537 if ($smtp->code != 220) {
1538 die sprintf(__("Server does not support STARTTLS! %s"), $smtp->message);
1539 }
1540 require Net::SMTP::SSL;
35035bbf
RR
1541 $smtp = Net::SMTP::SSL->start_SSL($smtp,
1542 ssl_verify_params())
0ead000c
DK
1543 or die sprintf(__("STARTTLS failed! %s"), IO::Socket::SSL::errstr());
1544 }
1545 else {
1546 $smtp->starttls(ssl_verify_params())
1547 or die sprintf(__("STARTTLS failed! %s"), IO::Socket::SSL::errstr());
f6bebd12 1548 }
0ead000c
DK
1549 # Send EHLO again to receive fresh
1550 # supported commands
1551 $smtp->hello($smtp_domain);
f6bebd12 1552 }
44b2476a
JH
1553 }
1554
1555 if (!$smtp) {
3c5cd20c
VA
1556 die __("Unable to initialize SMTP properly. Check config and use --smtp-debug."),
1557 " VALUES: server=$smtp_server ",
e5afb3a6 1558 "encryption=$smtp_encryption ",
69cf7bfd 1559 "hello=$smtp_domain",
a1dd7e16 1560 defined $smtp_server_port ? " port=$smtp_server_port" : "";
44b2476a
JH
1561 }
1562
4d31a44a 1563 smtp_auth_maybe or die $smtp->message;
2363d746 1564
2b69bfc2 1565 $smtp->mail( $raw_from ) or die $smtp->message;
aca7ad76
EW
1566 $smtp->to( @recipients ) or die $smtp->message;
1567 $smtp->data or die $smtp->message;
f60c483d
SA
1568 $smtp->datasend("$header\n") or die $smtp->message;
1569 my @lines = split /^/, $message;
1570 foreach my $line (@lines) {
1571 $smtp->datasend("$line") or die $smtp->message;
1572 }
aca7ad76 1573 $smtp->dataend() or die $smtp->message;
3c5cd20c 1574 $smtp->code =~ /250|200/ or die sprintf(__("Failed to send %s\n"), $subject).$smtp->message;
aca7ad76 1575 }
2718435b 1576 if ($quiet) {
3c5cd20c 1577 printf($dry_run ? __("Dry-Sent %s\n") : __("Sent %s\n"), $subject);
2718435b 1578 } else {
a4dde4c4 1579 print($dry_run ? __("Dry-OK. Log says:\n") : __("OK. Log says:\n"));
cb005c1f 1580 if (!file_name_is_absolute($smtp_server)) {
aca7ad76 1581 print "Server: $smtp_server\n";
2b69bfc2 1582 print "MAIL FROM:<$raw_from>\n";
02461e0e
JP
1583 foreach my $entry (@recipients) {
1584 print "RCPT TO:<$entry>\n";
1585 }
aca7ad76 1586 } else {
8e3d436b 1587 print "Sendmail: $smtp_server ".join(' ',@sendmail_parameters)."\n";
aca7ad76 1588 }
b7f30e0a 1589 print $header, "\n";
aca7ad76 1590 if ($smtp) {
46493105 1591 print __("Result: "), $smtp->code, ' ',
aca7ad76
EW
1592 ($smtp->message =~ /\n([^\n]+\n)$/s), "\n";
1593 } else {
46493105 1594 print __("Result: OK\n");
aca7ad76 1595 }
30d08b34 1596 }
15da1084
MW
1597
1598 return 1;
83b24437
RA
1599}
1600
15dc3b91
CL
1601$in_reply_to = $initial_in_reply_to;
1602$references = $initial_in_reply_to || '';
83b24437 1603$subject = $initial_subject;
c1f2aa45 1604$message_num = 0;
83b24437 1605
04c4a4e8
DD
1606# Prepares the email, prompts the user, sends it out
1607# Returns 0 if an edit was done and the function should be called again, or 1
1608# otherwise.
1609sub process_file {
1610 my ($t) = @_;
1611
3c5cd20c 1612 open my $fh, "<", $t or die sprintf(__("can't open file %s"), $t);
83b24437 1613
94638f89 1614 my $author = undef;
4cb46bdd 1615 my $sauthor = undef;
8291db6f
JK
1616 my $author_encoding;
1617 my $has_content_type;
1618 my $body_encoding;
bb29456c
PB
1619 my $xfer_encoding;
1620 my $has_mime_version;
3c3bb51c 1621 @to = ();
c1f2aa45 1622 @cc = ();
ce91c2f6 1623 @xh = ();
e6b0964a 1624 my $input_format = undef;
5012699d 1625 my @header = ();
83b24437 1626 $message = "";
c1f2aa45 1627 $message_num++;
5012699d 1628 # First unfold multiline header fields
f9237e61 1629 while(<$fh>) {
5012699d
JS
1630 last if /^\s*$/;
1631 if (/^\s+\S/ and @header) {
1632 chomp($header[$#header]);
1633 s/^\s+/ /;
1634 $header[$#header] .= $_;
1635 } else {
1636 push(@header, $_);
1637 }
1638 }
1639 # Now parse the header
1640 foreach(@header) {
1641 if (/^From /) {
1642 $input_format = 'mbox';
1643 next;
1644 }
1645 chomp;
1646 if (!defined $input_format && /^[-A-Za-z]+:\s/) {
1647 $input_format = 'mbox';
1648 }
1649
1650 if (defined $input_format && $input_format eq 'mbox') {
6310071a 1651 if (/^Subject:\s+(.*)$/i) {
5012699d 1652 $subject = $1;
e6b0964a 1653 }
6310071a 1654 elsif (/^From:\s+(.*)$/i) {
5012699d 1655 ($author, $author_encoding) = unquote_rfc2047($1);
4cb46bdd 1656 $sauthor = sanitize_address($author);
5012699d 1657 next if $suppress_cc{'author'};
da18759e 1658 next if $suppress_cc{'self'} and $sauthor eq $sender;
a4dde4c4 1659 printf(__("(mbox) Adding cc: %s from line '%s'\n"),
5012699d
JS
1660 $1, $_) unless $quiet;
1661 push @cc, $1;
e6b0964a 1662 }
6310071a 1663 elsif (/^To:\s+(.*)$/i) {
21802cd3 1664 foreach my $addr (parse_address_line($1)) {
a4dde4c4 1665 printf(__("(mbox) Adding to: %s from line '%s'\n"),
21802cd3 1666 $addr, $_) unless $quiet;
e4312255 1667 push @to, $addr;
21802cd3
SB
1668 }
1669 }
6310071a 1670 elsif (/^Cc:\s+(.*)$/i) {
5012699d 1671 foreach my $addr (parse_address_line($1)) {
da18759e
MT
1672 my $qaddr = unquote_rfc2047($addr);
1673 my $saddr = sanitize_address($qaddr);
1674 if ($saddr eq $sender) {
65648283 1675 next if ($suppress_cc{'self'});
65648283
DB
1676 } else {
1677 next if ($suppress_cc{'cc'});
8a8e6235 1678 }
a4dde4c4 1679 printf(__("(mbox) Adding cc: %s from line '%s'\n"),
5012699d
JS
1680 $addr, $_) unless $quiet;
1681 push @cc, $addr;
83b24437 1682 }
5012699d
JS
1683 }
1684 elsif (/^Content-type:/i) {
1685 $has_content_type = 1;
1686 if (/charset="?([^ "]+)/) {
1687 $body_encoding = $1;
83b24437 1688 }
5012699d 1689 push @xh, $_;
83b24437 1690 }
bb29456c
PB
1691 elsif (/^MIME-Version/i) {
1692 $has_mime_version = 1;
1693 push @xh, $_;
1694 }
5012699d
JS
1695 elsif (/^Message-Id: (.*)/i) {
1696 $message_id = $1;
83b24437 1697 }
bb29456c
PB
1698 elsif (/^Content-Transfer-Encoding: (.*)/i) {
1699 $xfer_encoding = $1 if not defined $xfer_encoding;
1700 }
256be1d3
SA
1701 elsif (/^In-Reply-To: (.*)/i) {
1702 $in_reply_to = $1;
1703 }
1704 elsif (/^References: (.*)/i) {
1705 $references = $1;
1706 }
6310071a 1707 elsif (!/^Date:\s/i && /^[-A-Za-z]+:\s+\S/) {
5012699d
JS
1708 push @xh, $_;
1709 }
83b24437 1710 } else {
5012699d
JS
1711 # In the traditional
1712 # "send lots of email" format,
1713 # line 1 = cc
1714 # line 2 = subject
1715 # So let's support that, too.
1716 $input_format = 'lots';
1717 if (@cc == 0 && !$suppress_cc{'cc'}) {
a4dde4c4 1718 printf(__("(non-mbox) Adding cc: %s from line '%s'\n"),
5012699d
JS
1719 $_, $_) unless $quiet;
1720 push @cc, $_;
1721 } elsif (!defined $subject) {
1722 $subject = $_;
83b24437
RA
1723 }
1724 }
1725 }
5012699d 1726 # Now parse the message body
f9237e61 1727 while(<$fh>) {
5012699d 1728 $message .= $_;
9c545816 1729 if (/^([a-z][a-z-]*-by|Cc): (.*)/i) {
5012699d 1730 chomp;
3531e270 1731 my ($what, $c) = ($1, $2);
cb2922fe
MM
1732 # strip garbage for the address we'll use:
1733 $c = strip_garbage_one_address($c);
1734 # sanitize a bit more to decide whether to suppress the address:
da18759e
MT
1735 my $sc = sanitize_address($c);
1736 if ($sc eq $sender) {
3531e270
JS
1737 next if ($suppress_cc{'self'});
1738 } else {
ef0cc1df
RV
1739 if ($what =~ /^Signed-off-by$/i) {
1740 next if $suppress_cc{'sob'};
1741 } elsif ($what =~ /-by$/i) {
1742 next if $suppress_cc{'misc-by'};
1743 } elsif ($what =~ /Cc/i) {
1744 next if $suppress_cc{'bodycc'};
1745 }
3531e270 1746 }
fb34fe6a
RV
1747 if ($c !~ /.+@.+|<.+>/) {
1748 printf("(body) Ignoring %s from line '%s'\n",
1749 $what, $_) unless $quiet;
1750 next;
1751 }
5012699d 1752 push @cc, $c;
a4dde4c4 1753 printf(__("(body) Adding cc: %s from line '%s'\n"),
5012699d
JS
1754 $c, $_) unless $quiet;
1755 }
1756 }
f9237e61 1757 close $fh;
324a8bd0 1758
6e74e075
JP
1759 push @to, recipients_cmd("to-cmd", "to", $to_cmd, $t)
1760 if defined $to_cmd;
1761 push @cc, recipients_cmd("cc-cmd", "cc", $cc_cmd, $t)
1762 if defined $cc_cmd && !$suppress_cc{'cccmd'};
324a8bd0 1763
3cae7e5b 1764 if ($broken_encoding{$t} && !$has_content_type) {
bb29456c 1765 $xfer_encoding = '8bit' if not defined $xfer_encoding;
3cae7e5b 1766 $has_content_type = 1;
bb29456c 1767 push @xh, "Content-Type: text/plain; charset=$auto_8bit_encoding";
3cae7e5b
TR
1768 $body_encoding = $auto_8bit_encoding;
1769 }
1770
ce547800
KM
1771 if ($broken_encoding{$t} && !is_rfc2047_quoted($subject)) {
1772 $subject = quote_subject($subject, $auto_8bit_encoding);
3cae7e5b
TR
1773 }
1774
4cb46bdd 1775 if (defined $sauthor and $sauthor ne $sender) {
94638f89 1776 $message = "From: $author\n\n$message";
8291db6f
JK
1777 if (defined $author_encoding) {
1778 if ($has_content_type) {
1779 if ($body_encoding eq $author_encoding) {
1780 # ok, we already have the right encoding
1781 }
1782 else {
1783 # uh oh, we should re-encode
1784 }
1785 }
1786 else {
bb29456c 1787 $xfer_encoding = '8bit' if not defined $xfer_encoding;
3cae7e5b 1788 $has_content_type = 1;
8291db6f 1789 push @xh,
bb29456c 1790 "Content-Type: text/plain; charset=$author_encoding";
8291db6f
JK
1791 }
1792 }
8a8e6235 1793 }
e67a228c 1794 $xfer_encoding = '8bit' if not defined $xfer_encoding;
1795 ($message, $xfer_encoding) = apply_transfer_encoding(
1796 $message, $xfer_encoding, $target_xfer_encoding);
1797 push @xh, "Content-Transfer-Encoding: $xfer_encoding";
1798 unshift @xh, 'MIME-Version: 1.0' unless $has_mime_version;
83b24437 1799
c1f2aa45
JS
1800 $needs_confirm = (
1801 $confirm eq "always" or
1802 ($confirm =~ /^(?:auto|cc)$/ && @cc) or
1803 ($confirm =~ /^(?:auto|compose)$/ && $compose && $message_num == 1));
1804 $needs_confirm = "inform" if ($needs_confirm && $confirm_unconfigured && @cc);
1805
b5e112d8
RL
1806 @to = process_address_list(@to);
1807 @cc = process_address_list(@cc);
e4312255 1808
3c3bb51c 1809 @to = (@initial_to, @to);
c1f2aa45
JS
1810 @cc = (@initial_cc, @cc);
1811
f515c904
MT
1812 if ($message_num == 1) {
1813 if (defined $cover_cc and $cover_cc) {
1814 @initial_cc = @cc;
1815 }
1816 if (defined $cover_to and $cover_to) {
1817 @initial_to = @to;
1818 }
1819 }
1820
15da1084 1821 my $message_was_sent = send_message();
04c4a4e8
DD
1822 if ($message_was_sent == -1) {
1823 do_edit($t);
1824 return 0;
1825 }
83b24437
RA
1826
1827 # set up for the next message
95a877a3 1828 if ($thread && $message_was_sent &&
15dc3b91 1829 ($chain_reply_to || !defined $in_reply_to || length($in_reply_to) == 0 ||
db54c8e7 1830 $message_num == 1)) {
15dc3b91 1831 $in_reply_to = $message_id;
7ccf7927 1832 if (length $references > 0) {
a925b89c 1833 $references .= "\n $message_id";
7ccf7927
RA
1834 } else {
1835 $references = "$message_id";
1836 }
78488b2c 1837 }
4f3d3703 1838 $message_id = undef;
5453b83b 1839 $num_sent++;
1840 if (defined $batch_size && $num_sent == $batch_size) {
1841 $num_sent = 0;
1842 $smtp->quit if defined $smtp;
1843 undef $smtp;
1844 undef $auth;
1845 sleep($relogin_delay) if defined $relogin_delay;
1846 }
04c4a4e8
DD
1847
1848 return 1;
1849}
1850
1851foreach my $t (@files) {
1852 while (!process_file($t)) {
1853 # user edited the file
1854 }
83b24437 1855}
e205735d 1856
6e74e075
JP
1857# Execute a command (e.g. $to_cmd) to get a list of email addresses
1858# and return a results array
1859sub recipients_cmd {
1860 my ($prefix, $what, $cmd, $file) = @_;
1861
6e74e075 1862 my @addresses = ();
a47eab03 1863 open my $fh, "-|", "$cmd \Q$file\E"
3c5cd20c 1864 or die sprintf(__("(%s) Could not execute '%s'"), $prefix, $cmd);
7ebee441 1865 while (my $address = <$fh>) {
6e74e075
JP
1866 $address =~ s/^\s*//g;
1867 $address =~ s/\s*$//g;
1868 $address = sanitize_address($address);
da18759e 1869 next if ($address eq $sender and $suppress_cc{'self'});
6e74e075 1870 push @addresses, $address;
3c5cd20c
VA
1871 printf(__("(%s) Adding %s: %s from: '%s'\n"),
1872 $prefix, $what, $address, $cmd) unless $quiet;
6e74e075 1873 }
7ebee441 1874 close $fh
3c5cd20c 1875 or die sprintf(__("(%s) failed to close pipe to '%s'"), $prefix, $cmd);
6e74e075
JP
1876 return @addresses;
1877}
1878
c1f2aa45 1879cleanup_compose_files();
1f038a0c 1880
4bf597ee 1881sub cleanup_compose_files {
c1f2aa45 1882 unlink($compose_filename, $compose_filename . ".final") if $compose;
1f038a0c
RA
1883}
1884
4bc87a28 1885$smtp->quit if $smtp;
e205735d 1886
8d814084
PB
1887sub apply_transfer_encoding {
1888 my $message = shift;
1889 my $from = shift;
1890 my $to = shift;
1891
3c88e46f 1892 return ($message, $to) if ($from eq $to and $from ne '7bit');
8d814084
PB
1893
1894 require MIME::QuotedPrint;
1895 require MIME::Base64;
1896
1897 $message = MIME::QuotedPrint::decode($message)
1898 if ($from eq 'quoted-printable');
1899 $message = MIME::Base64::decode($message)
1900 if ($from eq 'base64');
1901
74d76a17 1902 $to = ($message =~ /(?:.{999,}|\r)/) ? 'quoted-printable' : '8bit'
7a36987f 1903 if $to eq 'auto';
1904
46493105 1905 die __("cannot send message as 7bit")
8d814084 1906 if ($to eq '7bit' and $message =~ /[^[:ascii:]]/);
7a36987f 1907 return ($message, $to)
8d814084 1908 if ($to eq '7bit' or $to eq '8bit');
7a36987f 1909 return (MIME::QuotedPrint::encode($message, "\n", 0), $to)
8d814084 1910 if ($to eq 'quoted-printable');
7a36987f 1911 return (MIME::Base64::encode($message, "\n"), $to)
8d814084 1912 if ($to eq 'base64');
46493105 1913 die __("invalid transfer encoding");
8d814084
PB
1914}
1915
c438ea2a 1916sub unique_email_list {
e205735d
RA
1917 my %seen;
1918 my @emails;
1919
1920 foreach my $entry (@_) {
e4312255
KM
1921 my $clean = extract_valid_address_or_die($entry);
1922 $seen{$clean} ||= 0;
1923 next if $seen{$clean}++;
1924 push @emails, $entry;
e205735d
RA
1925 }
1926 return @emails;
1927}
747bbff9
JK
1928
1929sub validate_patch {
f2d06fb1 1930 my ($fn, $xfer_encoding) = @_;
6489660b 1931
177409e5
JT
1932 if ($repo) {
1933 my $validate_hook = catfile(catdir($repo->repo_path(), 'hooks'),
1934 'sendemail-validate');
1935 my $hook_error;
1936 if (-x $validate_hook) {
1937 my $target = abs_path($fn);
1938 # The hook needs a correct cwd and GIT_DIR.
1939 my $cwd_save = cwd();
1940 chdir($repo->wc_path() or $repo->repo_path())
1941 or die("chdir: $!");
1942 local $ENV{"GIT_DIR"} = $repo->repo_path();
1943 $hook_error = "rejected by sendemail-validate hook"
1944 if system($validate_hook, $target);
1945 chdir($cwd_save) or die("chdir: $!");
1946 }
1947 return $hook_error if $hook_error;
1948 }
6489660b 1949
f2d06fb1 1950 # Any long lines will be automatically fixed if we use a suitable transfer
1951 # encoding.
1952 unless ($xfer_encoding =~ /^(?:auto|quoted-printable|base64)$/) {
1953 open(my $fh, '<', $fn)
1954 or die sprintf(__("unable to open %s: %s\n"), $fn, $!);
1955 while (my $line = <$fh>) {
1956 if (length($line) > 998) {
1957 return sprintf(__("%s: patch contains a line longer than 998 characters"), $.);
1958 }
747bbff9
JK
1959 }
1960 }
622bc930 1961 return;
747bbff9 1962}
0706bd19 1963
531220ba
JH
1964sub handle_backup {
1965 my ($last, $lastlen, $file, $known_suffix) = @_;
1966 my ($suffix, $skip);
1967
1968 $skip = 0;
1969 if (defined $last &&
1970 ($lastlen < length($file)) &&
1971 (substr($file, 0, $lastlen) eq $last) &&
1972 ($suffix = substr($file, $lastlen)) !~ /^[a-z0-9]/i) {
1973 if (defined $known_suffix && $suffix eq $known_suffix) {
3c5cd20c 1974 printf(__("Skipping %s with backup suffix '%s'.\n"), $file, $known_suffix);
531220ba
JH
1975 $skip = 1;
1976 } else {
3c5cd20c
VA
1977 # TRANSLATORS: please keep "[y|N]" as is.
1978 my $answer = ask(sprintf(__("Do you really want to send %s? [y|N]: "), $file),
531220ba
JH
1979 valid_re => qr/^(?:y|n)/i,
1980 default => 'n');
1981 $skip = ($answer ne 'y');
1982 if ($skip) {
1983 $known_suffix = $suffix;
1984 }
1985 }
1986 }
1987 return ($skip, $known_suffix);
1988}
1989
1990sub handle_backup_files {
1991 my @file = @_;
1992 my ($last, $lastlen, $known_suffix, $skip, @result);
1993 for my $file (@file) {
1994 ($skip, $known_suffix) = handle_backup($last, $lastlen,
1995 $file, $known_suffix);
1996 push @result, $file unless $skip;
1997 $last = $file;
1998 $lastlen = length($file);
1999 }
2000 return @result;
2001}
2002
0706bd19
JK
2003sub file_has_nonascii {
2004 my $fn = shift;
2005 open(my $fh, '<', $fn)
3c5cd20c 2006 or die sprintf(__("unable to open %s: %s\n"), $fn, $!);
0706bd19
JK
2007 while (my $line = <$fh>) {
2008 return 1 if $line =~ /[^[:ascii:]]/;
2009 }
2010 return 0;
2011}
3cae7e5b
TR
2012
2013sub body_or_subject_has_nonascii {
2014 my $fn = shift;
2015 open(my $fh, '<', $fn)
3c5cd20c 2016 or die sprintf(__("unable to open %s: %s\n"), $fn, $!);
3cae7e5b
TR
2017 while (my $line = <$fh>) {
2018 last if $line =~ /^$/;
2019 return 1 if $line =~ /^Subject.*[^[:ascii:]]/;
2020 }
2021 while (my $line = <$fh>) {
2022 return 1 if $line =~ /[^[:ascii:]]/;
2023 }
2024 return 0;
2025}