i18n: add--interactive: mark status words for translation
[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;
83b24437
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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;
83b24437 31
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32Getopt::Long::Configure qw/ pass_through /;
33
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34package FakeTerm;
35sub new {
36 my ($class, $reason) = @_;
37 return bless \$reason, shift;
38}
39sub readline {
40 my $self = shift;
41 die "Cannot use readline on FakeTerm: $$self";
42}
43package main;
44
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45
46sub usage {
47 print <<EOT;
5df9fcf6 48git send-email [options] <file | directory | rev-list options >
17b7a832 49git send-email --dump-aliases
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50
51 Composing:
52 --from <str> * Email From:
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53 --[no-]to <str> * Email To:
54 --[no-]cc <str> * Email Cc:
55 --[no-]bcc <str> * Email Bcc:
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56 --subject <str> * Email "Subject:"
57 --in-reply-to <str> * Email "In-Reply-To:"
ac1596a6 58 --[no-]xmailer * Add "X-Mailer:" header (default).
402596aa 59 --[no-]annotate * Review each patch that will be sent in an editor.
4ed62b03 60 --compose * Open an editor for introduction.
62e00690 61 --compose-encoding <str> * Encoding to assume for introduction.
3cae7e5b 62 --8bit-encoding <str> * Encoding to assume 8bit mails if undeclared
8d814084 63 --transfer-encoding <str> * Transfer encoding to use (quoted-printable, 8bit, base64)
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MW
64
65 Sending:
66 --envelope-sender <str> * Email envelope sender.
67 --smtp-server <str:int> * Outgoing SMTP server to use. The port
68 is optional. Default 'localhost'.
052fbea2 69 --smtp-server-option <str> * Outgoing SMTP server option to use.
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70 --smtp-server-port <int> * Outgoing SMTP server port.
71 --smtp-user <str> * Username for SMTP-AUTH.
72 --smtp-pass <str> * Password for SMTP-AUTH; not necessary.
73 --smtp-encryption <str> * tls or ssl; anything else disables.
74 --smtp-ssl * Deprecated. Use '--smtp-encryption ssl'.
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RR
75 --smtp-ssl-cert-path <str> * Path to ca-certificates (either directory or file).
76 Pass an empty string to disable certificate
77 verification.
134550fe 78 --smtp-domain <str> * The domain name sent to HELO/EHLO handshake
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79 --smtp-auth <str> * Space-separated list of allowed AUTH mechanisms.
80 This setting forces to use one of the listed mechanisms.
f60812ef 81 --smtp-debug <0|1> * Disable, enable Net::SMTP debug.
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82
83 Automating:
84 --identity <str> * Use the sendemail.<id> options.
6e74e075 85 --to-cmd <str> * Email To: via `<str> \$patch_path`
4ed62b03 86 --cc-cmd <str> * Email Cc: via `<str> \$patch_path`
3531e270 87 --suppress-cc <str> * author, self, sob, cc, cccmd, body, bodycc, all.
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88 --[no-]cc-cover * Email Cc: addresses in the cover letter.
89 --[no-]to-cover * Email To: addresses in the cover letter.
3531e270 90 --[no-]signed-off-by-cc * Send to Signed-off-by: addresses. Default on.
4ed62b03 91 --[no-]suppress-from * Send to self. Default off.
41fe87fa 92 --[no-]chain-reply-to * Chain In-Reply-To: fields. Default off.
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93 --[no-]thread * Use In-Reply-To: field. Default on.
94
95 Administering:
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96 --confirm <str> * Confirm recipients before sending;
97 auto, cc, compose, always, or never.
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98 --quiet * Output one line of info per email.
99 --dry-run * Don't actually send the emails.
100 --[no-]validate * Perform patch sanity checks. Default on.
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101 --[no-]format-patch * understand any non optional arguments as
102 `git format-patch` ones.
a03bc5b6 103 --force * Send even if safety checks would prevent it.
c764a0c2 104
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105 Information:
106 --dump-aliases * Dump configured aliases and exit.
107
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108EOT
109 exit(1);
110}
111
4bc87a28 112# most mail servers generate the Date: header, but not all...
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113sub format_2822_time {
114 my ($time) = @_;
115 my @localtm = localtime($time);
116 my @gmttm = gmtime($time);
117 my $localmin = $localtm[1] + $localtm[2] * 60;
118 my $gmtmin = $gmttm[1] + $gmttm[2] * 60;
119 if ($localtm[0] != $gmttm[0]) {
120 die "local zone differs from GMT by a non-minute interval\n";
121 }
122 if ((($gmttm[6] + 1) % 7) == $localtm[6]) {
123 $localmin += 1440;
124 } elsif ((($gmttm[6] - 1) % 7) == $localtm[6]) {
125 $localmin -= 1440;
126 } elsif ($gmttm[6] != $localtm[6]) {
127 die "local time offset greater than or equal to 24 hours\n";
128 }
129 my $offset = $localmin - $gmtmin;
130 my $offhour = $offset / 60;
131 my $offmin = abs($offset % 60);
132 if (abs($offhour) >= 24) {
133 die ("local time offset greater than or equal to 24 hours\n");
134 }
135
136 return sprintf("%s, %2d %s %d %02d:%02d:%02d %s%02d%02d",
137 qw(Sun Mon Tue Wed Thu Fri Sat)[$localtm[6]],
138 $localtm[3],
139 qw(Jan Feb Mar Apr May Jun
140 Jul Aug Sep Oct Nov Dec)[$localtm[4]],
141 $localtm[5]+1900,
142 $localtm[2],
143 $localtm[1],
144 $localtm[0],
145 ($offset >= 0) ? '+' : '-',
146 abs($offhour),
147 $offmin,
148 );
149}
4bc87a28 150
567ffeb7 151my $have_email_valid = eval { require Email::Valid; 1 };
5012699d 152my $have_mail_address = eval { require Mail::Address; 1 };
4bc87a28 153my $smtp;
5f5b6118 154my $auth;
4bc87a28 155
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156# Regexes for RFC 2047 productions.
157my $re_token = qr/[^][()<>@,;:\\"\/?.= \000-\037\177-\377]+/;
158my $re_encoded_text = qr/[^? \000-\037\177-\377]+/;
159my $re_encoded_word = qr/=\?($re_token)\?($re_token)\?($re_encoded_text)\?=/;
160
83b24437 161# Variables we fill in automatically, or via prompting:
3c3bb51c 162my (@to,$no_to,@initial_to,@cc,$no_cc,@initial_cc,@bcclist,$no_bcc,@xh,
8fd5bb7f 163 $initial_reply_to,$initial_subject,@files,
ac1596a6 164 $author,$sender,$smtp_authpass,$annotate,$use_xmailer,$compose,$time);
83b24437 165
f073a592 166my $envelope_sender;
78488b2c 167
9133261f 168# Example reply to:
83b24437 169#$initial_reply_to = ''; #<20050203173208.GA23964@foobar.com>';
83b24437 170
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171my $repo = eval { Git->repository() };
172my @repo = $repo ? ($repo) : ();
280242d1 173my $term = eval {
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174 $ENV{"GIT_SEND_EMAIL_NOTTY"}
175 ? new Term::ReadLine 'git-send-email', \*STDIN, \*STDOUT
176 : new Term::ReadLine 'git-send-email';
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177};
178if ($@) {
179 $term = new FakeTerm "$@: going non-interactive";
180}
83b24437 181
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182# Behavior modification variables
183my ($quiet, $dry_run) = (0, 0);
5df9fcf6 184my $format_patch;
afe756c9 185my $compose_filename;
a03bc5b6 186my $force = 0;
17b7a832 187my $dump_aliases = 0;
5483c71d 188
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189# Handle interactive edition of files.
190my $multiedit;
0ce142c9 191my $editor;
b4479f07 192
8fd5bb7f 193sub do_edit {
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194 if (!defined($editor)) {
195 $editor = Git::command_oneline('var', 'GIT_EDITOR');
196 }
8fd5bb7f 197 if (defined($multiedit) && !$multiedit) {
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198 map {
199 system('sh', '-c', $editor.' "$@"', $editor, $_);
200 if (($? & 127) || ($? >> 8)) {
201 die("the editor exited uncleanly, aborting everything");
202 }
203 } @_;
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204 } else {
205 system('sh', '-c', $editor.' "$@"', $editor, @_);
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206 if (($? & 127) || ($? >> 8)) {
207 die("the editor exited uncleanly, aborting everything");
208 }
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209 }
210}
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211
212# Variables with corresponding config settings
6e74e075 213my ($thread, $chain_reply_to, $suppress_from, $signed_off_by_cc);
f515c904 214my ($cover_cc, $cover_to);
6e74e075 215my ($to_cmd, $cc_cmd);
052fbea2 216my ($smtp_server, $smtp_server_port, @smtp_server_options);
35035bbf 217my ($smtp_authuser, $smtp_encryption, $smtp_ssl_cert_path);
0f2e68b5 218my ($identity, $aliasfiletype, @alias_files, $smtp_domain, $smtp_auth);
c1f2aa45 219my ($validate, $confirm);
65648283 220my (@suppress_cc);
3cae7e5b 221my ($auto_8bit_encoding);
62e00690 222my ($compose_encoding);
8d814084 223my ($target_xfer_encoding);
5483c71d 224
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225my ($debug_net_smtp) = 0; # Net::SMTP, see send_message()
226
34cc60ce 227my %config_bool_settings = (
5483c71d 228 "thread" => [\$thread, 1],
b99d22f2 229 "chainreplyto" => [\$chain_reply_to, 0],
65648283 230 "suppressfrom" => [\$suppress_from, undef],
ddc3d4fe 231 "signedoffbycc" => [\$signed_off_by_cc, undef],
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MT
232 "cccover" => [\$cover_cc, undef],
233 "tocover" => [\$cover_to, undef],
ddc3d4fe 234 "signedoffcc" => [\$signed_off_by_cc, undef], # Deprecated
dbf5e1e9 235 "validate" => [\$validate, 1],
402596aa 236 "multiedit" => [\$multiedit, undef],
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237 "annotate" => [\$annotate, undef],
238 "xmailer" => [\$use_xmailer, 1]
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AR
239);
240
34cc60ce
DS
241my %config_settings = (
242 "smtpserver" => \$smtp_server,
44b2476a 243 "smtpserverport" => \$smtp_server_port,
052fbea2 244 "smtpserveroption" => \@smtp_server_options,
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DS
245 "smtpuser" => \$smtp_authuser,
246 "smtppass" => \$smtp_authpass,
e1e9115d 247 "smtpdomain" => \$smtp_domain,
0f2e68b5 248 "smtpauth" => \$smtp_auth,
3c3bb51c 249 "to" => \@initial_to,
6e74e075 250 "tocmd" => \$to_cmd,
5f8b9fcd 251 "cc" => \@initial_cc,
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DS
252 "cccmd" => \$cc_cmd,
253 "aliasfiletype" => \$aliasfiletype,
254 "bcc" => \@bcclist,
65648283 255 "suppresscc" => \@suppress_cc,
9f7820ae 256 "envelopesender" => \$envelope_sender,
c1f2aa45 257 "confirm" => \$confirm,
09caa24f 258 "from" => \$sender,
3cae7e5b 259 "assume8bitencoding" => \$auto_8bit_encoding,
62e00690 260 "composeencoding" => \$compose_encoding,
8d814084 261 "transferencoding" => \$target_xfer_encoding,
34cc60ce 262);
4a62d3f5 263
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CS
264my %config_path_settings = (
265 "aliasesfile" => \@alias_files,
6e07a3b5 266 "smtpsslcertpath" => \$smtp_ssl_cert_path,
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CS
267);
268
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MW
269# Handle Uncouth Termination
270sub signal_handler {
271
272 # Make text normal
273 print color("reset"), "\n";
274
275 # SMTP password masked
276 system "stty echo";
277
278 # tmp files from --compose
afe756c9
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279 if (defined $compose_filename) {
280 if (-e $compose_filename) {
281 print "'$compose_filename' contains an intermediate version of the email you were composing.\n";
282 }
283 if (-e ($compose_filename . ".final")) {
284 print "'$compose_filename.final' contains the composed email.\n"
285 }
87429976
MW
286 }
287
288 exit;
289};
290
291$SIG{TERM} = \&signal_handler;
292$SIG{INT} = \&signal_handler;
293
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294# Begin by accumulating all the variables (defined above), that we will end up
295# needing, first, from the command line:
296
c5978246
CB
297my $help;
298my $rc = GetOptions("h" => \$help,
17b7a832
JK
299 "dump-aliases" => \$dump_aliases);
300usage() unless $rc;
301die "--dump-aliases incompatible with other options\n"
302 if !$help and $dump_aliases and @ARGV;
303$rc = GetOptions(
c5978246 304 "sender|from=s" => \$sender,
83b24437
RA
305 "in-reply-to=s" => \$initial_reply_to,
306 "subject=s" => \$initial_subject,
3c3bb51c 307 "to=s" => \@initial_to,
6e74e075 308 "to-cmd=s" => \$to_cmd,
f434c083 309 "no-to" => \$no_to,
da140f8b 310 "cc=s" => \@initial_cc,
f434c083 311 "no-cc" => \$no_cc,
58063245 312 "bcc=s" => \@bcclist,
f434c083 313 "no-bcc" => \$no_bcc,
78488b2c 314 "chain-reply-to!" => \$chain_reply_to,
f4714943 315 "no-chain-reply-to" => sub {$chain_reply_to = 0},
3342d850 316 "smtp-server=s" => \$smtp_server,
052fbea2 317 "smtp-server-option=s" => \@smtp_server_options,
44b2476a 318 "smtp-server-port=s" => \$smtp_server_port,
34cc60ce 319 "smtp-user=s" => \$smtp_authuser,
2363d746 320 "smtp-pass:s" => \$smtp_authpass,
f6bebd12
TR
321 "smtp-ssl" => sub { $smtp_encryption = 'ssl' },
322 "smtp-encryption=s" => \$smtp_encryption,
979e652a 323 "smtp-ssl-cert-path=s" => \$smtp_ssl_cert_path,
f60812ef 324 "smtp-debug:i" => \$debug_net_smtp,
69cf7bfd 325 "smtp-domain:s" => \$smtp_domain,
0f2e68b5 326 "smtp-auth=s" => \$smtp_auth,
34cc60ce 327 "identity=s" => \$identity,
402596aa 328 "annotate!" => \$annotate,
f4714943 329 "no-annotate" => sub {$annotate = 0},
1f038a0c 330 "compose" => \$compose,
30d08b34 331 "quiet" => \$quiet,
324a8bd0 332 "cc-cmd=s" => \$cc_cmd,
5483c71d 333 "suppress-from!" => \$suppress_from,
f4714943 334 "no-suppress-from" => sub {$suppress_from = 0},
65648283 335 "suppress-cc=s" => \@suppress_cc,
ddc3d4fe 336 "signed-off-cc|signed-off-by-cc!" => \$signed_off_by_cc,
f4714943 337 "no-signed-off-cc|no-signed-off-by-cc" => sub {$signed_off_by_cc = 0},
f515c904 338 "cc-cover|cc-cover!" => \$cover_cc,
f4714943 339 "no-cc-cover" => sub {$cover_cc = 0},
f515c904 340 "to-cover|to-cover!" => \$cover_to,
f4714943 341 "no-to-cover" => sub {$cover_to = 0},
c1f2aa45 342 "confirm=s" => \$confirm,
6130259c 343 "dry-run" => \$dry_run,
f073a592 344 "envelope-sender=s" => \$envelope_sender,
5483c71d 345 "thread!" => \$thread,
f4714943 346 "no-thread" => sub {$thread = 0},
dbf5e1e9 347 "validate!" => \$validate,
f4714943 348 "no-validate" => sub {$validate = 0},
8d814084 349 "transfer-encoding=s" => \$target_xfer_encoding,
5df9fcf6 350 "format-patch!" => \$format_patch,
f4714943 351 "no-format-patch" => sub {$format_patch = 0},
3cae7e5b 352 "8bit-encoding=s" => \$auto_8bit_encoding,
62e00690 353 "compose-encoding=s" => \$compose_encoding,
a03bc5b6 354 "force" => \$force,
ac1596a6 355 "xmailer!" => \$use_xmailer,
f4714943 356 "no-xmailer" => sub {$use_xmailer = 0},
83b24437
RA
357 );
358
c5978246 359usage() if $help;
1b0baf14
MC
360unless ($rc) {
361 usage();
362}
363
eed6ca7c
JS
364die "Cannot run git format-patch from outside a repository\n"
365 if $format_patch and not $repo;
366
34cc60ce
DS
367# Now, let's fill any that aren't set in with defaults:
368
369sub read_config {
370 my ($prefix) = @_;
371
372 foreach my $setting (keys %config_bool_settings) {
373 my $target = $config_bool_settings{$setting}->[0];
ad79c024 374 $$target = Git::config_bool(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
375 }
376
cec5dae8 377 foreach my $setting (keys %config_path_settings) {
463b0ea2
CS
378 my $target = $config_path_settings{$setting};
379 if (ref($target) eq "ARRAY") {
380 unless (@$target) {
381 my @values = Git::config_path(@repo, "$prefix.$setting");
382 @$target = @values if (@values && defined $values[0]);
383 }
384 }
385 else {
386 $$target = Git::config_path(@repo, "$prefix.$setting") unless (defined $$target);
387 }
cec5dae8
CS
388 }
389
34cc60ce
DS
390 foreach my $setting (keys %config_settings) {
391 my $target = $config_settings{$setting};
f434c083
SB
392 next if $setting eq "to" and defined $no_to;
393 next if $setting eq "cc" and defined $no_cc;
394 next if $setting eq "bcc" and defined $no_bcc;
34cc60ce
DS
395 if (ref($target) eq "ARRAY") {
396 unless (@$target) {
ad79c024 397 my @values = Git::config(@repo, "$prefix.$setting");
34cc60ce
DS
398 @$target = @values if (@values && defined $values[0]);
399 }
400 }
401 else {
ad79c024 402 $$target = Git::config(@repo, "$prefix.$setting") unless (defined $$target);
34cc60ce
DS
403 }
404 }
f6bebd12
TR
405
406 if (!defined $smtp_encryption) {
407 my $enc = Git::config(@repo, "$prefix.smtpencryption");
408 if (defined $enc) {
409 $smtp_encryption = $enc;
410 } elsif (Git::config_bool(@repo, "$prefix.smtpssl")) {
411 $smtp_encryption = 'ssl';
412 }
413 }
34cc60ce
DS
414}
415
416# read configuration from [sendemail "$identity"], fall back on [sendemail]
ad79c024 417$identity = Git::config(@repo, "sendemail.identity") unless (defined $identity);
34cc60ce
DS
418read_config("sendemail.$identity") if (defined $identity);
419read_config("sendemail");
420
421# fall back on builtin bool defaults
422foreach my $setting (values %config_bool_settings) {
423 ${$setting->[0]} = $setting->[1] unless (defined (${$setting->[0]}));
424}
425
fa835cd5
TR
426# 'default' encryption is none -- this only prevents a warning
427$smtp_encryption = '' unless (defined $smtp_encryption);
428
65648283
DB
429# Set CC suppressions
430my(%suppress_cc);
431if (@suppress_cc) {
432 foreach my $entry (@suppress_cc) {
433 die "Unknown --suppress-cc field: '$entry'\n"
e9bf741b 434 unless $entry =~ /^(?:all|cccmd|cc|author|self|sob|body|bodycc)$/;
65648283
DB
435 $suppress_cc{$entry} = 1;
436 }
437}
438
439if ($suppress_cc{'all'}) {
cb8a9bd5 440 foreach my $entry (qw (cccmd cc author self sob body bodycc)) {
65648283
DB
441 $suppress_cc{$entry} = 1;
442 }
443 delete $suppress_cc{'all'};
444}
445
446# If explicit old-style ones are specified, they trump --suppress-cc.
447$suppress_cc{'self'} = $suppress_from if defined $suppress_from;
ddc3d4fe 448$suppress_cc{'sob'} = !$signed_off_by_cc if defined $signed_off_by_cc;
65648283 449
3531e270
JS
450if ($suppress_cc{'body'}) {
451 foreach my $entry (qw (sob bodycc)) {
452 $suppress_cc{$entry} = 1;
453 }
454 delete $suppress_cc{'body'};
455}
456
c1f2aa45
JS
457# Set confirm's default value
458my $confirm_unconfigured = !defined $confirm;
459if ($confirm_unconfigured) {
460 $confirm = scalar %suppress_cc ? 'compose' : 'auto';
461};
462die "Unknown --confirm setting: '$confirm'\n"
463 unless $confirm =~ /^(?:auto|cc|compose|always|never)/;
464
65648283
DB
465# Debugging, print out the suppressions.
466if (0) {
467 print "suppressions:\n";
468 foreach my $entry (keys %suppress_cc) {
469 printf " %-5s -> $suppress_cc{$entry}\n", $entry;
470 }
471}
472
ad79c024
FL
473my ($repoauthor, $repocommitter);
474($repoauthor) = Git::ident_person(@repo, 'author');
475($repocommitter) = Git::ident_person(@repo, 'committer');
34cc60ce 476
5012699d
JS
477sub parse_address_line {
478 if ($have_mail_address) {
479 return map { $_->format } Mail::Address->parse($_[0]);
480 } else {
8d314d7a 481 return Git::parse_mailboxes($_[0]);
5012699d
JS
482 }
483}
484
0e73b3ee 485sub split_addrs {
2f0e7cbb 486 return quotewords('\s*,\s*', 1, @_);
0e73b3ee
WF
487}
488
994d6c66 489my %aliases;
09f1157b
ES
490
491sub parse_sendmail_alias {
492 local $_ = shift;
493 if (/"/) {
494 print STDERR "warning: sendmail alias with quotes is not supported: $_\n";
86b89848
ES
495 } elsif (/:include:/) {
496 print STDERR "warning: `:include:` not supported: $_\n";
497 } elsif (/[\/|]/) {
498 print STDERR "warning: `/file` or `|pipe` redirection not supported: $_\n";
09f1157b
ES
499 } elsif (/^(\S+?)\s*:\s*(.+)$/) {
500 my ($alias, $addr) = ($1, $2);
501 $aliases{$alias} = [ split_addrs($addr) ];
502 } else {
503 print STDERR "warning: sendmail line is not recognized: $_\n";
504 }
505}
506
507sub parse_sendmail_aliases {
508 my $fh = shift;
2532dd06 509 my $s = '';
09f1157b 510 while (<$fh>) {
2532dd06 511 chomp;
020be85f 512 next if /^\s*$/ || /^\s*#/;
2532dd06
ES
513 $s .= $_, next if $s =~ s/\\$// || s/^\s+//;
514 parse_sendmail_alias($s) if $s;
515 $s = $_;
09f1157b 516 }
2532dd06
ES
517 $s =~ s/\\$//; # silently tolerate stray '\' on last line
518 parse_sendmail_alias($s) if $s;
09f1157b
ES
519}
520
994d6c66
EW
521my %parse_alias = (
522 # multiline formats can be supported in the future
523 mutt => sub { my $fh = shift; while (<$fh>) {
ffc01f9b 524 if (/^\s*alias\s+(?:-group\s+\S+\s+)*(\S+)\s+(.*)$/) {
994d6c66
EW
525 my ($alias, $addr) = ($1, $2);
526 $addr =~ s/#.*$//; # mutt allows # comments
2c510f21
EW
527 # commas delimit multiple addresses
528 my @addr = split_addrs($addr);
529
530 # quotes may be escaped in the file,
531 # unescape them so we do not double-escape them later.
532 s/\\"/"/g foreach @addr;
533 $aliases{$alias} = \@addr
994d6c66
EW
534 }}},
535 mailrc => sub { my $fh = shift; while (<$fh>) {
a277d1ef 536 if (/^alias\s+(\S+)\s+(.*?)\s*$/) {
994d6c66 537 # spaces delimit multiple addresses
fe87c921 538 $aliases{$1} = [ quotewords('\s+', 0, $2) ];
994d6c66 539 }}},
73c427eb
TP
540 pine => sub { my $fh = shift; my $f='\t[^\t]*';
541 for (my $x = ''; defined($x); $x = $_) {
542 chomp $x;
543 $x .= $1 while(defined($_ = <$fh>) && /^ +(.*)$/);
544 $x =~ /^(\S+)$f\t\(?([^\t]+?)\)?(:?$f){0,2}$/ or next;
0e73b3ee 545 $aliases{$1} = [ split_addrs($2) ];
73c427eb 546 }},
7613ea35
BP
547 elm => sub { my $fh = shift;
548 while (<$fh>) {
549 if (/^(\S+)\s+=\s+[^=]+=\s(\S+)/) {
550 my ($alias, $addr) = ($1, $2);
551 $aliases{$alias} = [ split_addrs($addr) ];
552 }
553 } },
09f1157b 554 sendmail => \&parse_sendmail_aliases,
994d6c66
EW
555 gnus => sub { my $fh = shift; while (<$fh>) {
556 if (/\(define-mail-alias\s+"(\S+?)"\s+"(\S+?)"\)/) {
557 $aliases{$1} = [ $2 ];
558 }}}
559);
560
3cb8caf7 561if (@alias_files and $aliasfiletype and defined $parse_alias{$aliasfiletype}) {
994d6c66
EW
562 foreach my $file (@alias_files) {
563 open my $fh, '<', $file or die "opening $file: $!\n";
564 $parse_alias{$aliasfiletype}->($fh);
565 close $fh;
566 }
567}
568
17b7a832
JK
569if ($dump_aliases) {
570 print "$_\n" for (sort keys %aliases);
571 exit(0);
572}
573
9b397039
RR
574# is_format_patch_arg($f) returns 0 if $f names a patch, or 1 if
575# $f is a revision list specification to be passed to format-patch.
576sub is_format_patch_arg {
eed6ca7c 577 return unless $repo;
5df9fcf6
PH
578 my $f = shift;
579 try {
580 $repo->command('rev-parse', '--verify', '--quiet', $f);
581 if (defined($format_patch)) {
5df9fcf6
PH
582 return $format_patch;
583 }
584 die(<<EOF);
585File '$f' exists but it could also be the range of commits
586to produce patches for. Please disambiguate by...
587
588 * Saying "./$f" if you mean a file; or
589 * Giving --format-patch option if you mean a range.
590EOF
591 } catch Git::Error::Command with {
9b397039 592 # Not a valid revision. Treat it as a filename.
5df9fcf6
PH
593 return 0;
594 }
595}
596
aa54892f
JK
597# Now that all the defaults are set, process the rest of the command line
598# arguments and collect up the files that need to be processed.
5df9fcf6 599my @rev_list_opts;
69f4ce55 600while (defined(my $f = shift @ARGV)) {
5df9fcf6
PH
601 if ($f eq "--") {
602 push @rev_list_opts, "--", @ARGV;
603 @ARGV = ();
9b397039 604 } elsif (-d $f and !is_format_patch_arg($f)) {
c6038169 605 opendir my $dh, $f
aa54892f
JK
606 or die "Failed to opendir $f: $!";
607
89bf1bac 608 push @files, grep { -f $_ } map { catfile($f, $_) }
c6038169
ÆAB
609 sort readdir $dh;
610 closedir $dh;
9b397039 611 } elsif ((-f $f or -p $f) and !is_format_patch_arg($f)) {
aa54892f 612 push @files, $f;
aa54892f 613 } else {
5df9fcf6 614 push @rev_list_opts, $f;
aa54892f
JK
615 }
616}
617
5df9fcf6 618if (@rev_list_opts) {
eed6ca7c
JS
619 die "Cannot run git format-patch from outside a repository\n"
620 unless $repo;
5df9fcf6
PH
621 push @files, $repo->command('format-patch', '-o', tempdir(CLEANUP => 1), @rev_list_opts);
622}
623
531220ba
JH
624@files = handle_backup_files(@files);
625
dbf5e1e9 626if ($validate) {
c764a0c2 627 foreach my $f (@files) {
300913bd
KB
628 unless (-p $f) {
629 my $error = validate_patch($f);
630 $error and die "fatal: $f: $error\nwarning: no patches were sent\n";
631 }
c764a0c2 632 }
747bbff9
JK
633}
634
aa54892f
JK
635if (@files) {
636 unless ($quiet) {
637 print $_,"\n" for (@files);
638 }
639} else {
640 print STDERR "\nNo patch files specified!\n\n";
641 usage();
642}
643
acf071b0 644sub get_patch_subject {
beece9da
PH
645 my $fn = shift;
646 open (my $fh, '<', $fn);
647 while (my $line = <$fh>) {
648 next unless ($line =~ /^Subject: (.*)$/);
649 close $fh;
650 return "GIT: $1\n";
651 }
652 close $fh;
653 die "No subject line in $fn ?";
654}
655
656if ($compose) {
657 # Note that this does not need to be secure, but we will make a small
658 # effort to have it be unique
afe756c9
JS
659 $compose_filename = ($repo ?
660 tempfile(".gitsendemail.msg.XXXXXX", DIR => $repo->repo_path()) :
661 tempfile(".gitsendemail.msg.XXXXXX", DIR => "."))[1];
fe0f944f 662 open my $c, ">", $compose_filename
beece9da
PH
663 or die "Failed to open for writing $compose_filename: $!";
664
665
666 my $tpl_sender = $sender || $repoauthor || $repocommitter || '';
667 my $tpl_subject = $initial_subject || '';
668 my $tpl_reply_to = $initial_reply_to || '';
669
fe0f944f 670 print $c <<EOT;
beece9da 671From $tpl_sender # This line is ignored.
40e6e8a0 672GIT: Lines beginning in "GIT:" will be removed.
beece9da
PH
673GIT: Consider including an overall diffstat or table of contents
674GIT: for the patch you are writing.
675GIT:
676GIT: Clear the body content if you don't wish to send a summary.
677From: $tpl_sender
678Subject: $tpl_subject
679In-Reply-To: $tpl_reply_to
680
681EOT
682 for my $f (@files) {
fe0f944f 683 print $c get_patch_subject($f);
beece9da 684 }
fe0f944f 685 close $c;
beece9da 686
beece9da
PH
687 if ($annotate) {
688 do_edit($compose_filename, @files);
689 } else {
690 do_edit($compose_filename);
691 }
692
fe0f944f 693 open my $c2, ">", $compose_filename . ".final"
beece9da
PH
694 or die "Failed to open $compose_filename.final : " . $!;
695
fe0f944f 696 open $c, "<", $compose_filename
beece9da
PH
697 or die "Failed to open $compose_filename : " . $!;
698
699 my $need_8bit_cte = file_has_nonascii($compose_filename);
700 my $in_body = 0;
701 my $summary_empty = 1;
4a47a4dd
KM
702 if (!defined $compose_encoding) {
703 $compose_encoding = "UTF-8";
704 }
fe0f944f 705 while(<$c>) {
40e6e8a0 706 next if m/^GIT:/;
beece9da
PH
707 if ($in_body) {
708 $summary_empty = 0 unless (/^\n$/);
709 } elsif (/^\n$/) {
710 $in_body = 1;
711 if ($need_8bit_cte) {
fe0f944f 712 print $c2 "MIME-Version: 1.0\n",
beece9da 713 "Content-Type: text/plain; ",
62e00690 714 "charset=$compose_encoding\n",
beece9da
PH
715 "Content-Transfer-Encoding: 8bit\n";
716 }
717 } elsif (/^MIME-Version:/i) {
718 $need_8bit_cte = 0;
719 } elsif (/^Subject:\s*(.+)\s*$/i) {
720 $initial_subject = $1;
721 my $subject = $initial_subject;
722 $_ = "Subject: " .
ce547800 723 quote_subject($subject, $compose_encoding) .
beece9da
PH
724 "\n";
725 } elsif (/^In-Reply-To:\s*(.+)\s*$/i) {
726 $initial_reply_to = $1;
727 next;
728 } elsif (/^From:\s*(.+)\s*$/i) {
729 $sender = $1;
730 next;
731 } elsif (/^(?:To|Cc|Bcc):/i) {
732 print "To/Cc/Bcc fields are not interpreted yet, they have been ignored\n";
733 next;
734 }
fe0f944f 735 print $c2 $_;
beece9da 736 }
fe0f944f
ÆAB
737 close $c;
738 close $c2;
beece9da
PH
739
740 if ($summary_empty) {
741 print "Summary email is empty, skipping it\n";
742 $compose = -1;
743 }
744} elsif ($annotate) {
745 do_edit(@files);
746}
747
6e182518
JS
748sub ask {
749 my ($prompt, %arg) = @_;
0da43a68 750 my $valid_re = $arg{valid_re};
6e182518 751 my $default = $arg{default};
51bbccfd 752 my $confirm_only = $arg{confirm_only};
6e182518
JS
753 my $resp;
754 my $i = 0;
5906f54e
JS
755 return defined $default ? $default : undef
756 unless defined $term->IN and defined fileno($term->IN) and
757 defined $term->OUT and defined fileno($term->OUT);
6e182518
JS
758 while ($i++ < 10) {
759 $resp = $term->readline($prompt);
760 if (!defined $resp) { # EOF
761 print "\n";
762 return defined $default ? $default : undef;
763 }
764 if ($resp eq '' and defined $default) {
765 return $default;
766 }
0da43a68 767 if (!defined $valid_re or $resp =~ /$valid_re/) {
6e182518
JS
768 return $resp;
769 }
51bbccfd
JH
770 if ($confirm_only) {
771 my $yesno = $term->readline("Are you sure you want to use <$resp> [y/N]? ");
772 if (defined $yesno && $yesno =~ /y/i) {
773 return $resp;
774 }
775 }
6e182518 776 }
622bc930 777 return;
6e182518
JS
778}
779
3cae7e5b
TR
780my %broken_encoding;
781
1d50bfd9 782sub file_declares_8bit_cte {
3cae7e5b
TR
783 my $fn = shift;
784 open (my $fh, '<', $fn);
785 while (my $line = <$fh>) {
786 last if ($line =~ /^$/);
787 return 1 if ($line =~ /^Content-Transfer-Encoding: .*8bit.*$/);
788 }
789 close $fh;
790 return 0;
791}
792
793foreach my $f (@files) {
794 next unless (body_or_subject_has_nonascii($f)
795 && !file_declares_8bit_cte($f));
796 $broken_encoding{$f} = 1;
797}
798
799if (!defined $auto_8bit_encoding && scalar %broken_encoding) {
800 print "The following files are 8bit, but do not declare " .
801 "a Content-Transfer-Encoding.\n";
802 foreach my $f (sort keys %broken_encoding) {
803 print " $f\n";
804 }
805 $auto_8bit_encoding = ask("Which 8bit encoding should I declare [UTF-8]? ",
852a15d7 806 valid_re => qr/.{4}/, confirm_only => 1,
3cae7e5b
TR
807 default => "UTF-8");
808}
809
a03bc5b6
TR
810if (!$force) {
811 for my $f (@files) {
0d290a46 812 if (get_patch_subject($f) =~ /\Q*** SUBJECT HERE ***\E/) {
a03bc5b6
TR
813 die "Refusing to send because the patch\n\t$f\n"
814 . "has the template subject '*** SUBJECT HERE ***'. "
815 . "Pass --force if you really want to send.\n";
816 }
817 }
818}
819
c46e27aa 820if (defined $sender) {
fa5b1aa9 821 $sender =~ s/^\s+|\s+$//g;
c46e27aa
RL
822 ($sender) = expand_aliases($sender);
823} else {
ad79c024 824 $sender = $repoauthor || $repocommitter || '';
83b24437
RA
825}
826
da18759e
MT
827# $sender could be an already sanitized address
828# (e.g. sendemail.from could be manually sanitized by user).
829# But it's a no-op to run sanitize_address on an already sanitized address.
830$sender = sanitize_address($sender);
831
0d6b21e7 832my $to_whom = "To whom should the emails be sent (if anyone)?";
8cac13dc 833my $prompting = 0;
8796ff7f 834if (!@initial_to && !defined $to_cmd) {
0d6b21e7 835 my $to = ask("$to_whom ",
61837493 836 default => "",
51bbccfd 837 valid_re => qr/\@.*\./, confirm_only => 1);
3c3bb51c 838 push @initial_to, parse_address_line($to) if defined $to; # sanitized/validated later
1f038a0c 839 $prompting++;
83b24437
RA
840}
841
994d6c66 842sub expand_aliases {
302e04ea
JK
843 return map { expand_one_alias($_) } @_;
844}
845
846my %EXPANDED_ALIASES;
847sub expand_one_alias {
848 my $alias = shift;
849 if ($EXPANDED_ALIASES{$alias}) {
850 die "fatal: alias '$alias' expands to itself\n";
851 }
852 local $EXPANDED_ALIASES{$alias} = 1;
853 return $aliases{$alias} ? expand_aliases(@{$aliases{$alias}}) : $alias;
994d6c66
EW
854}
855
b5e112d8
RL
856@initial_to = process_address_list(@initial_to);
857@initial_cc = process_address_list(@initial_cc);
858@bcclist = process_address_list(@bcclist);
994d6c66 859
5483c71d 860if ($thread && !defined $initial_reply_to && $prompting) {
6e182518 861 $initial_reply_to = ask(
61837493
SB
862 "Message-ID to be used as In-Reply-To for the first email (if any)? ",
863 default => "",
51bbccfd 864 valid_re => qr/\@.*\./, confirm_only => 1);
83b24437 865}
1ca3d6ed 866if (defined $initial_reply_to) {
0fb7fc75
JS
867 $initial_reply_to =~ s/^\s*<?//;
868 $initial_reply_to =~ s/>?\s*$//;
869 $initial_reply_to = "<$initial_reply_to>" if $initial_reply_to ne '';
ace9c2a9 870}
ace72086 871
34cc60ce 872if (!defined $smtp_server) {
aca7ad76
EW
873 foreach (qw( /usr/sbin/sendmail /usr/lib/sendmail )) {
874 if (-x $_) {
875 $smtp_server = $_;
876 last;
877 }
878 }
879 $smtp_server ||= 'localhost'; # could be 127.0.0.1, too... *shrug*
3342d850
RA
880}
881
c1f2aa45
JS
882if ($compose && $compose > 0) {
883 @files = ($compose_filename . ".final", @files);
1f038a0c
RA
884}
885
83b24437 886# Variables we set as part of the loop over files
c1f2aa45 887our ($message_id, %mail, $subject, $reply_to, $references, $message,
dc1460aa 888 $needs_confirm, $message_num, $ask_default);
83b24437 889
567ffeb7
EW
890sub extract_valid_address {
891 my $address = shift;
35b6ab95
ÆAB
892 my $local_part_regexp = qr/[^<>"\s@]+/;
893 my $domain_regexp = qr/[^.<>"\s@]+(?:\.[^.<>"\s@]+)+/;
db3106b2
EW
894
895 # check for a local address:
ad9c18f5 896 return $address if ($address =~ /^($local_part_regexp)$/);
db3106b2 897
155197e6 898 $address =~ s/^\s*<(.*)>\s*$/$1/;
567ffeb7 899 if ($have_email_valid) {
ad9c18f5 900 return scalar Email::Valid->address($address);
567ffeb7 901 }
95c0d4b6
KM
902
903 # less robust/correct than the monster regexp in Email::Valid,
904 # but still does a 99% job, and one less dependency
905 return $1 if $address =~ /($local_part_regexp\@$domain_regexp)/;
622bc930 906 return;
567ffeb7 907}
83b24437 908
e4312255
KM
909sub extract_valid_address_or_die {
910 my $address = shift;
911 $address = extract_valid_address($address);
912 die "error: unable to extract a valid address from: $address\n"
913 if !$address;
914 return $address;
915}
916
917sub validate_address {
918 my $address = shift;
d0e98107 919 while (!extract_valid_address($address)) {
5c80afed 920 print STDERR "error: unable to extract a valid address from: $address\n";
d0e98107
KM
921 $_ = ask("What to do with this address? ([q]uit|[d]rop|[e]dit): ",
922 valid_re => qr/^(?:quit|q|drop|d|edit|e)/i,
5c80afed
KM
923 default => 'q');
924 if (/^d/i) {
925 return undef;
926 } elsif (/^q/i) {
927 cleanup_compose_files();
928 exit(0);
929 }
0d6b21e7 930 $address = ask("$to_whom ",
d0e98107
KM
931 default => "",
932 valid_re => qr/\@.*\./, confirm_only => 1);
e4312255
KM
933 }
934 return $address;
935}
936
937sub validate_address_list {
938 return (grep { defined $_ }
939 map { validate_address($_) } @_);
567ffeb7 940}
83b24437
RA
941
942# Usually don't need to change anything below here.
943
944# we make a "fake" message id by taking the current number
945# of seconds since the beginning of Unix time and tacking on
946# a random number to the end, in case we are called quicker than
947# 1 second since the last time we were called.
8037d1a3
RA
948
949# We'll setup a template for the message id, using the "from" address:
8037d1a3 950
be510cfe 951my ($message_id_stamp, $message_id_serial);
68ce9330 952sub make_message_id {
be510cfe
JH
953 my $uniq;
954 if (!defined $message_id_stamp) {
f916ab0c 955 $message_id_stamp = strftime("%Y%m%d%H%M%S.$$", gmtime(time));
be510cfe
JH
956 $message_id_serial = 0;
957 }
958 $message_id_serial++;
959 $uniq = "$message_id_stamp-$message_id_serial";
960
aeb59328 961 my $du_part;
94638f89
UKK
962 for ($sender, $repocommitter, $repoauthor) {
963 $du_part = extract_valid_address(sanitize_address($_));
964 last if (defined $du_part and $du_part ne '');
aeb59328 965 }
94638f89 966 if (not defined $du_part or $du_part eq '') {
529dd386 967 require Sys::Hostname;
aeb59328
JH
968 $du_part = 'user@' . Sys::Hostname::hostname();
969 }
f916ab0c 970 my $message_id_template = "<%s-%s>";
be510cfe 971 $message_id = sprintf($message_id_template, $uniq, $du_part);
8037d1a3 972 #print "new message id = $message_id\n"; # Was useful for debugging
83b24437
RA
973}
974
975
976
a5370b16 977$time = time - scalar $#files;
83b24437 978
374c5905
JR
979sub unquote_rfc2047 {
980 local ($_) = @_;
11f70a7e 981 my $charset;
ab47e2a5
РД
982 my $sep = qr/[ \t]+/;
983 s{$re_encoded_word(?:$sep$re_encoded_word)*}{
984 my @words = split $sep, $&;
985 foreach (@words) {
986 m/$re_encoded_word/;
987 $charset = $1;
988 my $encoding = $2;
989 my $text = $3;
990 if ($encoding eq 'q' || $encoding eq 'Q') {
991 $_ = $text;
992 s/_/ /g;
993 s/=([0-9A-F]{2})/chr(hex($1))/egi;
994 } else {
995 # other encodings not supported yet
996 }
11f70a7e 997 }
ab47e2a5 998 join '', @words;
b622d4d1 999 }eg;
11f70a7e 1000 return wantarray ? ($_, $charset) : $_;
374c5905
JR
1001}
1002
d54eaaa2
JK
1003sub quote_rfc2047 {
1004 local $_ = shift;
d1fff6fc 1005 my $encoding = shift || 'UTF-8';
d54eaaa2
JK
1006 s/([^-a-zA-Z0-9!*+\/])/sprintf("=%02X", ord($1))/eg;
1007 s/(.*)/=\?$encoding\?q\?$1\?=/;
1008 return $_;
1009}
1010
a3a8262b
BC
1011sub is_rfc2047_quoted {
1012 my $s = shift;
a3a8262b 1013 length($s) <= 75 &&
11f70a7e 1014 $s =~ m/^(?:"[[:ascii:]]*"|$re_encoded_word)$/o;
a3a8262b
BC
1015}
1016
ce547800
KM
1017sub subject_needs_rfc2047_quoting {
1018 my $s = shift;
1019
ce1459f7 1020 return ($s =~ /[^[:ascii:]]/) || ($s =~ /=\?/);
ce547800
KM
1021}
1022
1023sub quote_subject {
1024 local $subject = shift;
1025 my $encoding = shift || 'UTF-8';
1026
1027 if (subject_needs_rfc2047_quoting($subject)) {
1028 return quote_rfc2047($subject, $encoding);
1029 }
1030 return $subject;
1031}
1032
5b56aaa2 1033# use the simplest quoting being able to handle the recipient
68ce9330 1034sub sanitize_address {
732263d4 1035 my ($recipient) = @_;
831a488b
KM
1036
1037 # remove garbage after email address
1038 $recipient =~ s/(.*>).*$/$1/;
1039
5b56aaa2
UKK
1040 my ($recipient_name, $recipient_addr) = ($recipient =~ /^(.*?)\s*(<.*)/);
1041
1042 if (not $recipient_name) {
ff483897 1043 return $recipient;
5b56aaa2
UKK
1044 }
1045
1046 # if recipient_name is already quoted, do nothing
a3a8262b 1047 if (is_rfc2047_quoted($recipient_name)) {
5b56aaa2
UKK
1048 return $recipient;
1049 }
1050
1fe9703f
RL
1051 # remove non-escaped quotes
1052 $recipient_name =~ s/(^|[^\\])"/$1/g;
1053
5b56aaa2
UKK
1054 # rfc2047 is needed if a non-ascii char is included
1055 if ($recipient_name =~ /[^[:ascii:]]/) {
d54eaaa2 1056 $recipient_name = quote_rfc2047($recipient_name);
732263d4 1057 }
5b56aaa2
UKK
1058
1059 # double quotes are needed if specials or CTLs are included
1060 elsif ($recipient_name =~ /[][()<>@,;:\\".\000-\037\177]/) {
1fe9703f 1061 $recipient_name =~ s/([\\\r])/\\$1/g;
d5c7d69d 1062 $recipient_name = qq["$recipient_name"];
5b56aaa2
UKK
1063 }
1064
1065 return "$recipient_name $recipient_addr";
1066
732263d4
RJ
1067}
1068
e4312255
KM
1069sub sanitize_address_list {
1070 return (map { sanitize_address($_) } @_);
1071}
1072
b5e112d8 1073sub process_address_list {
b1c8a11c
RL
1074 my @addr_list = map { parse_address_line($_) } @_;
1075 @addr_list = expand_aliases(@addr_list);
b5e112d8
RL
1076 @addr_list = sanitize_address_list(@addr_list);
1077 @addr_list = validate_address_list(@addr_list);
1078 return @addr_list;
1079}
1080
134550fe
JA
1081# Returns the local Fully Qualified Domain Name (FQDN) if available.
1082#
1083# Tightly configured MTAa require that a caller sends a real DNS
1084# domain name that corresponds the IP address in the HELO/EHLO
1085# handshake. This is used to verify the connection and prevent
1086# spammers from trying to hide their identity. If the DNS and IP don't
1087# match, the receiveing MTA may deny the connection.
1088#
1089# Here is a deny example of Net::SMTP with the default "localhost.localdomain"
1090#
1091# Net::SMTP=GLOB(0x267ec28)>>> EHLO localhost.localdomain
1092# Net::SMTP=GLOB(0x267ec28)<<< 550 EHLO argument does not match calling host
1093#
1094# This maildomain*() code is based on ideas in Perl library Test::Reporter
1095# /usr/share/perl5/Test/Reporter/Mail/Util.pm ==> sub _maildomain ()
1096
59a86303
BG
1097sub valid_fqdn {
1098 my $domain = shift;
61ef5e9b 1099 return defined $domain && !($^O eq 'darwin' && $domain =~ /\.local$/) && $domain =~ /\./;
59a86303
BG
1100}
1101
68ce9330 1102sub maildomain_net {
134550fe
JA
1103 my $maildomain;
1104
1105 if (eval { require Net::Domain; 1 }) {
1106 my $domain = Net::Domain::domainname();
59a86303 1107 $maildomain = $domain if valid_fqdn($domain);
134550fe
JA
1108 }
1109
1110 return $maildomain;
1111}
1112
68ce9330 1113sub maildomain_mta {
134550fe
JA
1114 my $maildomain;
1115
1116 if (eval { require Net::SMTP; 1 }) {
1117 for my $host (qw(mailhost localhost)) {
1118 my $smtp = Net::SMTP->new($host);
1119 if (defined $smtp) {
1120 my $domain = $smtp->domain;
1121 $smtp->quit;
1122
59a86303 1123 $maildomain = $domain if valid_fqdn($domain);
134550fe
JA
1124
1125 last if $maildomain;
1126 }
1127 }
1128 }
1129
1130 return $maildomain;
1131}
1132
68ce9330 1133sub maildomain {
69cf7bfd 1134 return maildomain_net() || maildomain_mta() || 'localhost.localdomain';
134550fe
JA
1135}
1136
4d31a44a
MN
1137sub smtp_host_string {
1138 if (defined $smtp_server_port) {
1139 return "$smtp_server:$smtp_server_port";
1140 } else {
1141 return $smtp_server;
1142 }
1143}
1144
1145# Returns 1 if authentication succeeded or was not necessary
1146# (smtp_user was not specified), and 0 otherwise.
1147
1148sub smtp_auth_maybe {
1149 if (!defined $smtp_authuser || $auth) {
1150 return 1;
1151 }
1152
1153 # Workaround AUTH PLAIN/LOGIN interaction defect
1154 # with Authen::SASL::Cyrus
1155 eval {
1156 require Authen::SASL;
1157 Authen::SASL->import(qw(Perl));
1158 };
1159
0f2e68b5
JV
1160 # Check mechanism naming as defined in:
1161 # https://tools.ietf.org/html/rfc4422#page-8
904f6e7c 1162 if ($smtp_auth && $smtp_auth !~ /^(\b[A-Z0-9-_]{1,20}\s*)*$/) {
0f2e68b5
JV
1163 die "invalid smtp auth: '${smtp_auth}'";
1164 }
1165
4d31a44a
MN
1166 # TODO: Authentication may fail not because credentials were
1167 # invalid but due to other reasons, in which we should not
1168 # reject credentials.
1169 $auth = Git::credential({
1170 'protocol' => 'smtp',
1171 'host' => smtp_host_string(),
1172 'username' => $smtp_authuser,
1173 # if there's no password, "git credential fill" will
1174 # give us one, otherwise it'll just pass this one.
1175 'password' => $smtp_authpass
1176 }, sub {
1177 my $cred = shift;
0f2e68b5
JV
1178
1179 if ($smtp_auth) {
1180 my $sasl = Authen::SASL->new(
1181 mechanism => $smtp_auth,
1182 callback => {
1183 user => $cred->{'username'},
1184 pass => $cred->{'password'},
1185 authname => $cred->{'username'},
1186 }
1187 );
1188
1189 return !!$smtp->auth($sasl);
1190 }
1191
4d31a44a
MN
1192 return !!$smtp->auth($cred->{'username'}, $cred->{'password'});
1193 });
1194
1195 return $auth;
1196}
1197
35035bbf
RR
1198sub ssl_verify_params {
1199 eval {
1200 require IO::Socket::SSL;
1201 IO::Socket::SSL->import(qw/SSL_VERIFY_PEER SSL_VERIFY_NONE/);
1202 };
1203 if ($@) {
1204 print STDERR "Not using SSL_VERIFY_PEER due to out-of-date IO::Socket::SSL.\n";
1205 return;
1206 }
1207
1208 if (!defined $smtp_ssl_cert_path) {
01645b74
RK
1209 # use the OpenSSL defaults
1210 return (SSL_verify_mode => SSL_VERIFY_PEER());
35035bbf
RR
1211 }
1212
1213 if ($smtp_ssl_cert_path eq "") {
1214 return (SSL_verify_mode => SSL_VERIFY_NONE());
1215 } elsif (-d $smtp_ssl_cert_path) {
1216 return (SSL_verify_mode => SSL_VERIFY_PEER(),
1217 SSL_ca_path => $smtp_ssl_cert_path);
1218 } elsif (-f $smtp_ssl_cert_path) {
1219 return (SSL_verify_mode => SSL_VERIFY_PEER(),
1220 SSL_ca_file => $smtp_ssl_cert_path);
1221 } else {
c55d65f3 1222 die "CA path \"$smtp_ssl_cert_path\" does not exist";
35035bbf
RR
1223 }
1224}
1225
cb005c1f
EFL
1226sub file_name_is_absolute {
1227 my ($path) = @_;
1228
1229 # msys does not grok DOS drive-prefixes
1230 if ($^O eq 'msys') {
f24ecf59 1231 return ($path =~ m#^/# || $path =~ m#^[a-zA-Z]\:#)
cb005c1f
EFL
1232 }
1233
1234 require File::Spec::Functions;
1235 return File::Spec::Functions::file_name_is_absolute($path);
1236}
1237
15da1084 1238# Returns 1 if the message was sent, and 0 otherwise.
a1b5b371 1239# In actuality, the whole program dies when there
15da1084
MW
1240# is an error sending a message.
1241
68ce9330 1242sub send_message {
4bc87a28 1243 my @recipients = unique_email_list(@to);
e4312255 1244 @cc = (grep { my $cc = extract_valid_address_or_die($_);
83acaaec 1245 not grep { $cc eq $_ || $_ =~ /<\Q${cc}\E>$/ } @recipients
7ac17529 1246 }
7ac17529 1247 @cc);
4bc87a28 1248 my $to = join (",\n\t", @recipients);
58063245 1249 @recipients = unique_email_list(@recipients,@cc,@bcclist);
e4312255 1250 @recipients = (map { extract_valid_address_or_die($_) } @recipients);
6bdca890 1251 my $date = format_2822_time($time++);
e923effb
ML
1252 my $gitversion = '@@GIT_VERSION@@';
1253 if ($gitversion =~ m/..GIT_VERSION../) {
3cb8caf7 1254 $gitversion = Git::version();
e923effb 1255 }
4bc87a28 1256
02461e0e 1257 my $cc = join(",\n\t", unique_email_list(@cc));
f06a6a49
JH
1258 my $ccline = "";
1259 if ($cc ne '') {
1260 $ccline = "\nCc: $cc";
1261 }
4f3d3703 1262 make_message_id() unless defined($message_id);
aeb59328 1263
da18759e 1264 my $header = "From: $sender
f06a6a49 1265To: $to${ccline}
4bc87a28 1266Subject: $subject
4bc87a28
EW
1267Date: $date
1268Message-Id: $message_id
4bc87a28 1269";
ac1596a6
LH
1270 if ($use_xmailer) {
1271 $header .= "X-Mailer: git-send-email $gitversion\n";
1272 }
3e0c4ffd 1273 if ($reply_to) {
7ccf7927
RA
1274
1275 $header .= "In-Reply-To: $reply_to\n";
1276 $header .= "References: $references\n";
1277 }
ce91c2f6
JH
1278 if (@xh) {
1279 $header .= join("\n", @xh) . "\n";
1280 }
4bc87a28 1281
c38f0247 1282 my @sendmail_parameters = ('-i', @recipients);
da18759e 1283 my $raw_from = $sender;
c89e3241
FC
1284 if (defined $envelope_sender && $envelope_sender ne "auto") {
1285 $raw_from = $envelope_sender;
1286 }
f073a592
RJ
1287 $raw_from = extract_valid_address($raw_from);
1288 unshift (@sendmail_parameters,
1289 '-f', $raw_from) if(defined $envelope_sender);
8e3d436b 1290
c1f2aa45
JS
1291 if ($needs_confirm && !$dry_run) {
1292 print "\n$header\n";
1293 if ($needs_confirm eq "inform") {
1294 $confirm_unconfigured = 0; # squelch this message for the rest of this run
6e182518 1295 $ask_default = "y"; # assume yes on EOF since user hasn't explicitly asked for confirmation
c1f2aa45
JS
1296 print " The Cc list above has been expanded by additional\n";
1297 print " addresses found in the patch commit message. By default\n";
1298 print " send-email prompts before sending whenever this occurs.\n";
1299 print " This behavior is controlled by the sendemail.confirm\n";
1300 print " configuration setting.\n";
1301 print "\n";
1302 print " For additional information, run 'git send-email --help'.\n";
1303 print " To retain the current behavior, but squelch this message,\n";
1304 print " run 'git config --global sendemail.confirm auto'.\n\n";
1305 }
6e182518
JS
1306 $_ = ask("Send this email? ([y]es|[n]o|[q]uit|[a]ll): ",
1307 valid_re => qr/^(?:yes|y|no|n|quit|q|all|a)/i,
1308 default => $ask_default);
1309 die "Send this email reply required" unless defined $_;
c1f2aa45 1310 if (/^n/i) {
15da1084 1311 return 0;
c1f2aa45
JS
1312 } elsif (/^q/i) {
1313 cleanup_compose_files();
1314 exit(0);
1315 } elsif (/^a/i) {
1316 $confirm = 'never';
1317 }
1318 }
1319
052fbea2
PO
1320 unshift (@sendmail_parameters, @smtp_server_options);
1321
6130259c
MW
1322 if ($dry_run) {
1323 # We don't want to send the email.
cb005c1f 1324 } elsif (file_name_is_absolute($smtp_server)) {
aca7ad76
EW
1325 my $pid = open my $sm, '|-';
1326 defined $pid or die $!;
1327 if (!$pid) {
8e3d436b 1328 exec($smtp_server, @sendmail_parameters) or die $!;
aca7ad76
EW
1329 }
1330 print $sm "$header\n$message";
5e2c2ab1 1331 close $sm or die $!;
aca7ad76 1332 } else {
44b2476a
JH
1333
1334 if (!defined $smtp_server) {
1335 die "The required SMTP server is not properly defined."
1336 }
1337
f6bebd12 1338 if ($smtp_encryption eq 'ssl') {
44b2476a 1339 $smtp_server_port ||= 465; # ssmtp
34cc60ce 1340 require Net::SMTP::SSL;
69cf7bfd 1341 $smtp_domain ||= maildomain();
5508f3ed 1342 require IO::Socket::SSL;
9d605249
JK
1343
1344 # Suppress "variable accessed once" warning.
1345 {
1346 no warnings 'once';
1347 $IO::Socket::SSL::DEBUG = 1;
1348 }
1349
5508f3ed
TR
1350 # Net::SMTP::SSL->new() does not forward any SSL options
1351 IO::Socket::SSL::set_client_defaults(
1352 ssl_verify_params());
134550fe 1353 $smtp ||= Net::SMTP::SSL->new($smtp_server,
69cf7bfd 1354 Hello => $smtp_domain,
35035bbf 1355 Port => $smtp_server_port,
5508f3ed 1356 Debug => $debug_net_smtp);
34cc60ce
DS
1357 }
1358 else {
1359 require Net::SMTP;
69cf7bfd 1360 $smtp_domain ||= maildomain();
1a741bf7 1361 $smtp_server_port ||= 25;
1362 $smtp ||= Net::SMTP->new($smtp_server,
69cf7bfd 1363 Hello => $smtp_domain,
1a741bf7 1364 Debug => $debug_net_smtp,
1365 Port => $smtp_server_port);
fb3650ed 1366 if ($smtp_encryption eq 'tls' && $smtp) {
f6bebd12
TR
1367 require Net::SMTP::SSL;
1368 $smtp->command('STARTTLS');
1369 $smtp->response();
1370 if ($smtp->code == 220) {
35035bbf
RR
1371 $smtp = Net::SMTP::SSL->start_SSL($smtp,
1372 ssl_verify_params())
6cb0c883 1373 or die "STARTTLS failed! ".IO::Socket::SSL::errstr();
6cbf8b00 1374 $smtp_encryption = '';
9d1ccf5e
RS
1375 # Send EHLO again to receive fresh
1376 # supported commands
155b940f 1377 $smtp->hello($smtp_domain);
f6bebd12
TR
1378 } else {
1379 die "Server does not support STARTTLS! ".$smtp->message;
1380 }
1381 }
44b2476a
JH
1382 }
1383
1384 if (!$smtp) {
f60812ef 1385 die "Unable to initialize SMTP properly. Check config and use --smtp-debug. ",
e5afb3a6
JA
1386 "VALUES: server=$smtp_server ",
1387 "encryption=$smtp_encryption ",
69cf7bfd 1388 "hello=$smtp_domain",
a1dd7e16 1389 defined $smtp_server_port ? " port=$smtp_server_port" : "";
44b2476a
JH
1390 }
1391
4d31a44a 1392 smtp_auth_maybe or die $smtp->message;
2363d746 1393
2b69bfc2 1394 $smtp->mail( $raw_from ) or die $smtp->message;
aca7ad76
EW
1395 $smtp->to( @recipients ) or die $smtp->message;
1396 $smtp->data or die $smtp->message;
f60c483d
SA
1397 $smtp->datasend("$header\n") or die $smtp->message;
1398 my @lines = split /^/, $message;
1399 foreach my $line (@lines) {
1400 $smtp->datasend("$line") or die $smtp->message;
1401 }
aca7ad76 1402 $smtp->dataend() or die $smtp->message;
15da1084 1403 $smtp->code =~ /250|200/ or die "Failed to send $subject\n".$smtp->message;
aca7ad76 1404 }
2718435b 1405 if ($quiet) {
71c7da94 1406 printf (($dry_run ? "Dry-" : "")."Sent %s\n", $subject);
2718435b 1407 } else {
b7f30e0a 1408 print (($dry_run ? "Dry-" : "")."OK. Log says:\n");
cb005c1f 1409 if (!file_name_is_absolute($smtp_server)) {
aca7ad76 1410 print "Server: $smtp_server\n";
2b69bfc2 1411 print "MAIL FROM:<$raw_from>\n";
02461e0e
JP
1412 foreach my $entry (@recipients) {
1413 print "RCPT TO:<$entry>\n";
1414 }
aca7ad76 1415 } else {
8e3d436b 1416 print "Sendmail: $smtp_server ".join(' ',@sendmail_parameters)."\n";
aca7ad76 1417 }
b7f30e0a 1418 print $header, "\n";
aca7ad76
EW
1419 if ($smtp) {
1420 print "Result: ", $smtp->code, ' ',
1421 ($smtp->message =~ /\n([^\n]+\n)$/s), "\n";
1422 } else {
1423 print "Result: OK\n";
1424 }
30d08b34 1425 }
15da1084
MW
1426
1427 return 1;
83b24437
RA
1428}
1429
83b24437 1430$reply_to = $initial_reply_to;
2186d566 1431$references = $initial_reply_to || '';
83b24437 1432$subject = $initial_subject;
c1f2aa45 1433$message_num = 0;
83b24437
RA
1434
1435foreach my $t (@files) {
f9237e61 1436 open my $fh, "<", $t or die "can't open file $t";
83b24437 1437
94638f89 1438 my $author = undef;
4cb46bdd 1439 my $sauthor = undef;
8291db6f
JK
1440 my $author_encoding;
1441 my $has_content_type;
1442 my $body_encoding;
bb29456c
PB
1443 my $xfer_encoding;
1444 my $has_mime_version;
3c3bb51c 1445 @to = ();
c1f2aa45 1446 @cc = ();
ce91c2f6 1447 @xh = ();
e6b0964a 1448 my $input_format = undef;
5012699d 1449 my @header = ();
83b24437 1450 $message = "";
c1f2aa45 1451 $message_num++;
5012699d 1452 # First unfold multiline header fields
f9237e61 1453 while(<$fh>) {
5012699d
JS
1454 last if /^\s*$/;
1455 if (/^\s+\S/ and @header) {
1456 chomp($header[$#header]);
1457 s/^\s+/ /;
1458 $header[$#header] .= $_;
1459 } else {
1460 push(@header, $_);
1461 }
1462 }
1463 # Now parse the header
1464 foreach(@header) {
1465 if (/^From /) {
1466 $input_format = 'mbox';
1467 next;
1468 }
1469 chomp;
1470 if (!defined $input_format && /^[-A-Za-z]+:\s/) {
1471 $input_format = 'mbox';
1472 }
1473
1474 if (defined $input_format && $input_format eq 'mbox') {
6310071a 1475 if (/^Subject:\s+(.*)$/i) {
5012699d 1476 $subject = $1;
e6b0964a 1477 }
6310071a 1478 elsif (/^From:\s+(.*)$/i) {
5012699d 1479 ($author, $author_encoding) = unquote_rfc2047($1);
4cb46bdd 1480 $sauthor = sanitize_address($author);
5012699d 1481 next if $suppress_cc{'author'};
da18759e 1482 next if $suppress_cc{'self'} and $sauthor eq $sender;
5012699d
JS
1483 printf("(mbox) Adding cc: %s from line '%s'\n",
1484 $1, $_) unless $quiet;
1485 push @cc, $1;
e6b0964a 1486 }
6310071a 1487 elsif (/^To:\s+(.*)$/i) {
21802cd3
SB
1488 foreach my $addr (parse_address_line($1)) {
1489 printf("(mbox) Adding to: %s from line '%s'\n",
1490 $addr, $_) unless $quiet;
e4312255 1491 push @to, $addr;
21802cd3
SB
1492 }
1493 }
6310071a 1494 elsif (/^Cc:\s+(.*)$/i) {
5012699d 1495 foreach my $addr (parse_address_line($1)) {
da18759e
MT
1496 my $qaddr = unquote_rfc2047($addr);
1497 my $saddr = sanitize_address($qaddr);
1498 if ($saddr eq $sender) {
65648283 1499 next if ($suppress_cc{'self'});
65648283
DB
1500 } else {
1501 next if ($suppress_cc{'cc'});
8a8e6235 1502 }
83b24437 1503 printf("(mbox) Adding cc: %s from line '%s'\n",
5012699d
JS
1504 $addr, $_) unless $quiet;
1505 push @cc, $addr;
83b24437 1506 }
5012699d
JS
1507 }
1508 elsif (/^Content-type:/i) {
1509 $has_content_type = 1;
1510 if (/charset="?([^ "]+)/) {
1511 $body_encoding = $1;
83b24437 1512 }
5012699d 1513 push @xh, $_;
83b24437 1514 }
bb29456c
PB
1515 elsif (/^MIME-Version/i) {
1516 $has_mime_version = 1;
1517 push @xh, $_;
1518 }
5012699d
JS
1519 elsif (/^Message-Id: (.*)/i) {
1520 $message_id = $1;
83b24437 1521 }
bb29456c
PB
1522 elsif (/^Content-Transfer-Encoding: (.*)/i) {
1523 $xfer_encoding = $1 if not defined $xfer_encoding;
1524 }
6310071a 1525 elsif (!/^Date:\s/i && /^[-A-Za-z]+:\s+\S/) {
5012699d
JS
1526 push @xh, $_;
1527 }
1528
83b24437 1529 } else {
5012699d
JS
1530 # In the traditional
1531 # "send lots of email" format,
1532 # line 1 = cc
1533 # line 2 = subject
1534 # So let's support that, too.
1535 $input_format = 'lots';
1536 if (@cc == 0 && !$suppress_cc{'cc'}) {
1537 printf("(non-mbox) Adding cc: %s from line '%s'\n",
1538 $_, $_) unless $quiet;
1539 push @cc, $_;
1540 } elsif (!defined $subject) {
1541 $subject = $_;
83b24437
RA
1542 }
1543 }
1544 }
5012699d 1545 # Now parse the message body
f9237e61 1546 while(<$fh>) {
5012699d
JS
1547 $message .= $_;
1548 if (/^(Signed-off-by|Cc): (.*)$/i) {
5012699d 1549 chomp;
3531e270 1550 my ($what, $c) = ($1, $2);
5012699d 1551 chomp $c;
da18759e
MT
1552 my $sc = sanitize_address($c);
1553 if ($sc eq $sender) {
3531e270
JS
1554 next if ($suppress_cc{'self'});
1555 } else {
1556 next if $suppress_cc{'sob'} and $what =~ /Signed-off-by/i;
1557 next if $suppress_cc{'bodycc'} and $what =~ /Cc/i;
1558 }
5012699d 1559 push @cc, $c;
3531e270 1560 printf("(body) Adding cc: %s from line '%s'\n",
5012699d
JS
1561 $c, $_) unless $quiet;
1562 }
1563 }
f9237e61 1564 close $fh;
324a8bd0 1565
6e74e075
JP
1566 push @to, recipients_cmd("to-cmd", "to", $to_cmd, $t)
1567 if defined $to_cmd;
1568 push @cc, recipients_cmd("cc-cmd", "cc", $cc_cmd, $t)
1569 if defined $cc_cmd && !$suppress_cc{'cccmd'};
324a8bd0 1570
3cae7e5b 1571 if ($broken_encoding{$t} && !$has_content_type) {
bb29456c 1572 $xfer_encoding = '8bit' if not defined $xfer_encoding;
3cae7e5b 1573 $has_content_type = 1;
bb29456c 1574 push @xh, "Content-Type: text/plain; charset=$auto_8bit_encoding";
3cae7e5b
TR
1575 $body_encoding = $auto_8bit_encoding;
1576 }
1577
ce547800
KM
1578 if ($broken_encoding{$t} && !is_rfc2047_quoted($subject)) {
1579 $subject = quote_subject($subject, $auto_8bit_encoding);
3cae7e5b
TR
1580 }
1581
4cb46bdd 1582 if (defined $sauthor and $sauthor ne $sender) {
94638f89 1583 $message = "From: $author\n\n$message";
8291db6f
JK
1584 if (defined $author_encoding) {
1585 if ($has_content_type) {
1586 if ($body_encoding eq $author_encoding) {
1587 # ok, we already have the right encoding
1588 }
1589 else {
1590 # uh oh, we should re-encode
1591 }
1592 }
1593 else {
bb29456c 1594 $xfer_encoding = '8bit' if not defined $xfer_encoding;
3cae7e5b 1595 $has_content_type = 1;
8291db6f 1596 push @xh,
bb29456c 1597 "Content-Type: text/plain; charset=$author_encoding";
8291db6f
JK
1598 }
1599 }
8a8e6235 1600 }
8d814084
PB
1601 if (defined $target_xfer_encoding) {
1602 $xfer_encoding = '8bit' if not defined $xfer_encoding;
1603 $message = apply_transfer_encoding(
1604 $message, $xfer_encoding, $target_xfer_encoding);
1605 $xfer_encoding = $target_xfer_encoding;
1606 }
bb29456c
PB
1607 if (defined $xfer_encoding) {
1608 push @xh, "Content-Transfer-Encoding: $xfer_encoding";
1609 }
1610 if (defined $xfer_encoding or $has_content_type) {
1611 unshift @xh, 'MIME-Version: 1.0' unless $has_mime_version;
1612 }
83b24437 1613
c1f2aa45
JS
1614 $needs_confirm = (
1615 $confirm eq "always" or
1616 ($confirm =~ /^(?:auto|cc)$/ && @cc) or
1617 ($confirm =~ /^(?:auto|compose)$/ && $compose && $message_num == 1));
1618 $needs_confirm = "inform" if ($needs_confirm && $confirm_unconfigured && @cc);
1619
b5e112d8
RL
1620 @to = process_address_list(@to);
1621 @cc = process_address_list(@cc);
e4312255 1622
3c3bb51c 1623 @to = (@initial_to, @to);
c1f2aa45
JS
1624 @cc = (@initial_cc, @cc);
1625
f515c904
MT
1626 if ($message_num == 1) {
1627 if (defined $cover_cc and $cover_cc) {
1628 @initial_cc = @cc;
1629 }
1630 if (defined $cover_to and $cover_to) {
1631 @initial_to = @to;
1632 }
1633 }
1634
15da1084 1635 my $message_was_sent = send_message();
83b24437
RA
1636
1637 # set up for the next message
95a877a3 1638 if ($thread && $message_was_sent &&
b99d22f2 1639 ($chain_reply_to || !defined $reply_to || length($reply_to) == 0 ||
db54c8e7 1640 $message_num == 1)) {
78488b2c 1641 $reply_to = $message_id;
7ccf7927 1642 if (length $references > 0) {
a925b89c 1643 $references .= "\n $message_id";
7ccf7927
RA
1644 } else {
1645 $references = "$message_id";
1646 }
78488b2c 1647 }
4f3d3703 1648 $message_id = undef;
83b24437 1649}
e205735d 1650
6e74e075
JP
1651# Execute a command (e.g. $to_cmd) to get a list of email addresses
1652# and return a results array
1653sub recipients_cmd {
1654 my ($prefix, $what, $cmd, $file) = @_;
1655
6e74e075 1656 my @addresses = ();
a47eab03 1657 open my $fh, "-|", "$cmd \Q$file\E"
6e74e075 1658 or die "($prefix) Could not execute '$cmd'";
7ebee441 1659 while (my $address = <$fh>) {
6e74e075
JP
1660 $address =~ s/^\s*//g;
1661 $address =~ s/\s*$//g;
1662 $address = sanitize_address($address);
da18759e 1663 next if ($address eq $sender and $suppress_cc{'self'});
6e74e075
JP
1664 push @addresses, $address;
1665 printf("($prefix) Adding %s: %s from: '%s'\n",
1666 $what, $address, $cmd) unless $quiet;
1667 }
7ebee441 1668 close $fh
6e74e075
JP
1669 or die "($prefix) failed to close pipe to '$cmd'";
1670 return @addresses;
1671}
1672
c1f2aa45 1673cleanup_compose_files();
1f038a0c 1674
4bf597ee 1675sub cleanup_compose_files {
c1f2aa45 1676 unlink($compose_filename, $compose_filename . ".final") if $compose;
1f038a0c
RA
1677}
1678
4bc87a28 1679$smtp->quit if $smtp;
e205735d 1680
8d814084
PB
1681sub apply_transfer_encoding {
1682 my $message = shift;
1683 my $from = shift;
1684 my $to = shift;
1685
1686 return $message if ($from eq $to and $from ne '7bit');
1687
1688 require MIME::QuotedPrint;
1689 require MIME::Base64;
1690
1691 $message = MIME::QuotedPrint::decode($message)
1692 if ($from eq 'quoted-printable');
1693 $message = MIME::Base64::decode($message)
1694 if ($from eq 'base64');
1695
1696 die "cannot send message as 7bit"
1697 if ($to eq '7bit' and $message =~ /[^[:ascii:]]/);
1698 return $message
1699 if ($to eq '7bit' or $to eq '8bit');
1700 return MIME::QuotedPrint::encode($message, "\n", 0)
1701 if ($to eq 'quoted-printable');
1702 return MIME::Base64::encode($message, "\n")
1703 if ($to eq 'base64');
1704 die "invalid transfer encoding";
1705}
1706
c438ea2a 1707sub unique_email_list {
e205735d
RA
1708 my %seen;
1709 my @emails;
1710
1711 foreach my $entry (@_) {
e4312255
KM
1712 my $clean = extract_valid_address_or_die($entry);
1713 $seen{$clean} ||= 0;
1714 next if $seen{$clean}++;
1715 push @emails, $entry;
e205735d
RA
1716 }
1717 return @emails;
1718}
747bbff9
JK
1719
1720sub validate_patch {
1721 my $fn = shift;
1722 open(my $fh, '<', $fn)
1723 or die "unable to open $fn: $!\n";
1724 while (my $line = <$fh>) {
1725 if (length($line) > 998) {
1726 return "$.: patch contains a line longer than 998 characters";
1727 }
1728 }
622bc930 1729 return;
747bbff9 1730}
0706bd19 1731
531220ba
JH
1732sub handle_backup {
1733 my ($last, $lastlen, $file, $known_suffix) = @_;
1734 my ($suffix, $skip);
1735
1736 $skip = 0;
1737 if (defined $last &&
1738 ($lastlen < length($file)) &&
1739 (substr($file, 0, $lastlen) eq $last) &&
1740 ($suffix = substr($file, $lastlen)) !~ /^[a-z0-9]/i) {
1741 if (defined $known_suffix && $suffix eq $known_suffix) {
1742 print "Skipping $file with backup suffix '$known_suffix'.\n";
1743 $skip = 1;
1744 } else {
1745 my $answer = ask("Do you really want to send $file? (y|N): ",
1746 valid_re => qr/^(?:y|n)/i,
1747 default => 'n');
1748 $skip = ($answer ne 'y');
1749 if ($skip) {
1750 $known_suffix = $suffix;
1751 }
1752 }
1753 }
1754 return ($skip, $known_suffix);
1755}
1756
1757sub handle_backup_files {
1758 my @file = @_;
1759 my ($last, $lastlen, $known_suffix, $skip, @result);
1760 for my $file (@file) {
1761 ($skip, $known_suffix) = handle_backup($last, $lastlen,
1762 $file, $known_suffix);
1763 push @result, $file unless $skip;
1764 $last = $file;
1765 $lastlen = length($file);
1766 }
1767 return @result;
1768}
1769
0706bd19
JK
1770sub file_has_nonascii {
1771 my $fn = shift;
1772 open(my $fh, '<', $fn)
1773 or die "unable to open $fn: $!\n";
1774 while (my $line = <$fh>) {
1775 return 1 if $line =~ /[^[:ascii:]]/;
1776 }
1777 return 0;
1778}
3cae7e5b
TR
1779
1780sub body_or_subject_has_nonascii {
1781 my $fn = shift;
1782 open(my $fh, '<', $fn)
1783 or die "unable to open $fn: $!\n";
1784 while (my $line = <$fh>) {
1785 last if $line =~ /^$/;
1786 return 1 if $line =~ /^Subject.*[^[:ascii:]]/;
1787 }
1788 while (my $line = <$fh>) {
1789 return 1 if $line =~ /[^[:ascii:]]/;
1790 }
1791 return 0;
1792}