| 1 |
root |
1.1 |
#!/usr/bin/perl |
| 2 |
|
|
|
| 3 |
|
|
use Coro; |
| 4 |
|
|
use Coro::Event; |
| 5 |
|
|
use Coro::Socket; |
| 6 |
|
|
|
| 7 |
|
|
BEGIN { require "mymap.pl" }; |
| 8 |
|
|
|
| 9 |
|
|
$/ = $CRLF; |
| 10 |
|
|
|
| 11 |
|
|
my $port = new Coro::Socket |
| 12 |
pcg |
1.2 |
LocalPort => "imap", |
| 13 |
root |
1.1 |
ReuseAddr => 1, |
| 14 |
|
|
Listen => 1, |
| 15 |
|
|
or die; |
| 16 |
|
|
|
| 17 |
|
|
sub slog { |
| 18 |
|
|
my $level = shift; |
| 19 |
|
|
my $format = shift; |
| 20 |
|
|
printf "---: $format\n", @_; |
| 21 |
|
|
} |
| 22 |
|
|
|
| 23 |
|
|
sub resp { |
| 24 |
|
|
slog 9, ">>> @_"; |
| 25 |
|
|
my $r; |
| 26 |
|
|
$r .= "* $_[$_]$CRLF" for 2 .. $#_-1; |
| 27 |
|
|
$r .= "$_[1] $_[$#_]$CRLF"; |
| 28 |
|
|
print {$_[0]} $r; |
| 29 |
|
|
} |
| 30 |
|
|
|
| 31 |
|
|
$RE_pgrp = qr{ |
| 32 |
|
|
(?: |
| 33 |
|
|
[^()]* |
| 34 |
|
|
| \( (??{ $RE_pgrp }) \) |
| 35 |
|
|
)* |
| 36 |
|
|
}x; |
| 37 |
|
|
|
| 38 |
|
|
sub expand_list { |
| 39 |
|
|
my @r; |
| 40 |
|
|
$_[0] =~ s/\*/$_[1]/g; |
| 41 |
|
|
for (split /,/, $_[0]) { |
| 42 |
|
|
if (/(\d+):(\d+)/) { |
| 43 |
|
|
push @r, $_ for $1 .. $2; |
| 44 |
|
|
} else { |
| 45 |
|
|
push @r, $_; |
| 46 |
|
|
} |
| 47 |
|
|
} |
| 48 |
|
|
\@r; |
| 49 |
|
|
} |
| 50 |
|
|
|
| 51 |
|
|
sub split_pgrp { |
| 52 |
|
|
my @r; |
| 53 |
|
|
while ($_[0] =~ /\G(?:([^( ]+)|\(($RE_pgrp)\)) ?/mg) { |
| 54 |
|
|
push @r, defined $1 ? $1 : $2; |
| 55 |
|
|
} |
| 56 |
|
|
\@r; |
| 57 |
|
|
} |
| 58 |
|
|
|
| 59 |
|
|
sub literal { |
| 60 |
pcg |
1.2 |
"{" . (length $_[0]) . "}\015\012$_[0]"; |
| 61 |
root |
1.1 |
} |
| 62 |
|
|
|
| 63 |
|
|
sub handle_connection { |
| 64 |
|
|
my $fh = shift; |
| 65 |
|
|
|
| 66 |
|
|
eval { |
| 67 |
|
|
|
| 68 |
|
|
my $uid; # user-id |
| 69 |
|
|
my $bid; # mailbox-id |
| 70 |
|
|
my $readonly; # mailbox read-only? |
| 71 |
|
|
my @mid; # message numbers |
| 72 |
|
|
|
| 73 |
|
|
my $expunge = sub { |
| 74 |
|
|
my $st = sql_exec \my($id), |
| 75 |
|
|
"select id from msg |
| 76 |
|
|
where flags & ($F_D|$F_deleted) = ($F_deleted) |
| 77 |
|
|
and bid = ?", |
| 78 |
|
|
$bid; |
| 79 |
|
|
while ($st->fetch) { |
| 80 |
|
|
my %rev; |
| 81 |
|
|
@rev{@mid} = (1..@mid); |
| 82 |
|
|
my $idx = $rev{$id} |
| 83 |
|
|
or next; |
| 84 |
|
|
print $fh "* $idx EXPUNGE\015\012"; |
| 85 |
|
|
splice @mid, $idx-1, 1; |
| 86 |
|
|
sql_exec "update msg set flags = flags | $F_D where id = ?", $id; |
| 87 |
|
|
} |
| 88 |
|
|
}; |
| 89 |
|
|
|
| 90 |
|
|
my $close = sub { |
| 91 |
|
|
return unless $bid; |
| 92 |
|
|
sql_exec "update box set ctime = ? where id = ?", time, $bid; |
| 93 |
|
|
$bid = 0; |
| 94 |
|
|
@mid = (); |
| 95 |
|
|
}; |
| 96 |
|
|
|
| 97 |
|
|
#resp $fh, "*", "OK IMAP4 service ready."; |
| 98 |
pcg |
1.2 |
resp $fh, "*", "PREAUTH IMAP4 service ready."; #$uid = 1; |
| 99 |
root |
1.1 |
CMD: |
| 100 |
|
|
while (<$fh>) { |
| 101 |
pcg |
1.3 |
warn $_;#d# |
| 102 |
root |
1.1 |
/^(\S+)(?: (\S+)([^\015\012]*))?$CRLF$/os or last; |
| 103 |
|
|
my ($tag, $cmd, $arg) = ($1, $2, $3); |
| 104 |
|
|
my @arg; |
| 105 |
|
|
$cmd = lc $cmd; |
| 106 |
|
|
while () { |
| 107 |
|
|
if ($arg =~ /\G "((?:[^"\\]*|\\.))"/gc |
| 108 |
pcg |
1.2 |
#|| $arg =~ /\G ([^"(){ \x00-\x1f*%\\]+)/gc # ] is allowed... |
| 109 |
|
|
|| $arg =~ /\G ([^"(){ \x00-\x1f%\\]+)/gc # evolution-fix |
| 110 |
root |
1.1 |
|| $arg =~ /\G \(($RE_pgrp)\)/gc) { |
| 111 |
|
|
push @arg, $1; |
| 112 |
|
|
} elsif ($arg =~ /\G {(\d+)}$/gc) { |
| 113 |
|
|
resp $fh, $tag, "literals not yet implemented"; |
| 114 |
|
|
next CMD; |
| 115 |
|
|
} elsif ($arg =~ /\G$/gc) { |
| 116 |
|
|
last; |
| 117 |
|
|
} elsif ($arg =~ /\G(.*)$/gc) { |
| 118 |
|
|
$arg = $1; |
| 119 |
|
|
$arg =~ y/\015\012//d; |
| 120 |
|
|
resp $fh, $tag, "BAD parse error at '$arg' (@arg)"; |
| 121 |
|
|
next CMD; |
| 122 |
|
|
} else { |
| 123 |
|
|
die; |
| 124 |
|
|
} |
| 125 |
|
|
} |
| 126 |
|
|
|
| 127 |
pcg |
1.2 |
slog 9, "<<< $tag|$cmd|@arg";#d# |
| 128 |
root |
1.1 |
if ($cmd eq "capability") { |
| 129 |
|
|
resp $fh, $tag, "CAPABILITY IMAP4", "OK"; |
| 130 |
|
|
} elsif ($cmd eq "noop") { |
| 131 |
|
|
resp $fh, $tag, "OK"; |
| 132 |
|
|
# bah! |
| 133 |
|
|
} elsif ($cmd eq "login" && !$uid) { |
| 134 |
|
|
my $st = sql_exec \$uid, "select id from user where name = ? and pass = ?", $arg[0], $arg[1]; |
| 135 |
|
|
if ($st->fetch) { |
| 136 |
|
|
resp $fh, $tag, "OK"; |
| 137 |
|
|
} else { |
| 138 |
|
|
resp $fh, $tag, "NO user unknown or authenticitation failure"; |
| 139 |
|
|
} |
| 140 |
|
|
} elsif ($cmd eq "authenticitate" && !$uid) { |
| 141 |
|
|
resp $fh, "NO"; |
| 142 |
|
|
} elsif ($cmd eq "logout") { |
| 143 |
|
|
resp $fh, $tag, "BYE", "OK"; |
| 144 |
|
|
last CMD; |
| 145 |
|
|
} elsif ($uid) { |
| 146 |
|
|
my $U; |
| 147 |
|
|
|
| 148 |
|
|
if ($cmd eq "uid") { |
| 149 |
|
|
$cmd = lc shift @arg; |
| 150 |
|
|
$U = 1; |
| 151 |
|
|
} |
| 152 |
|
|
|
| 153 |
|
|
if ($cmd eq "select" || $cmd eq "examine") { |
| 154 |
|
|
&$close; |
| 155 |
|
|
|
| 156 |
|
|
$arg[0] = "INBOX" if lc $arg[0] eq "inbox"; |
| 157 |
|
|
|
| 158 |
|
|
my $st = sql_exec \$bid, \my($ctime, $uidv), |
| 159 |
|
|
"select id, unix_timestamp(ctime), unix_timestamp(uidvalidity) |
| 160 |
|
|
from box where uid = ? and name = ?", |
| 161 |
|
|
$uid, $arg[0]; |
| 162 |
|
|
if ($st->fetch) { |
| 163 |
|
|
my $r = 0; |
| 164 |
|
|
$st = sql_exec \my($mid, $ntime), |
| 165 |
|
|
"select id, ntime |
| 166 |
|
|
from msg |
| 167 |
|
|
where bid = ? and flags & $F_D = 0", |
| 168 |
|
|
$bid; |
| 169 |
|
|
while ($st->fetch) { |
| 170 |
|
|
$r++ if $ntime >= $ctime; |
| 171 |
|
|
push @mid, $mid; |
| 172 |
|
|
} |
| 173 |
|
|
$readonly = $cmd eq "examine"; |
| 174 |
|
|
resp $fh, $tag, |
| 175 |
|
|
(scalar@mid) . " EXISTS", |
| 176 |
|
|
"$r RECENT", |
| 177 |
|
|
"FLAGS (\\D \\Answered \\Flagged \\Deleted \\Seen \\Draft)", |
| 178 |
|
|
"PERMANENTFLAGS (\\D \\Answered \\Flagged \\Deleted \\Seen \\Draft)", |
| 179 |
|
|
"OK [UID-VALIDITY $uidv]", |
| 180 |
|
|
"OK [READ-".($readonly ? "ONLY]" : "WRITE]"); |
| 181 |
|
|
} else { |
| 182 |
|
|
resp $fh, $tag, "NO mailbox does not exist"; |
| 183 |
|
|
} |
| 184 |
|
|
|
| 185 |
|
|
# mailbox management |
| 186 |
|
|
} elsif ($cmd eq "create") { |
| 187 |
|
|
$arg[0] =~ s/\///; |
| 188 |
|
|
eval { |
| 189 |
|
|
sql_exec "insert into box (uid, name) values (?, ?)", $uid, $arg[0]; |
| 190 |
|
|
}; |
| 191 |
|
|
if ($@) { |
| 192 |
|
|
$@ =~ y/\015\012//d; |
| 193 |
|
|
resp $fh, $tag, "NO $@"; |
| 194 |
|
|
} else { |
| 195 |
|
|
resp $fh, $tag, "OK"; |
| 196 |
|
|
} |
| 197 |
|
|
} elsif ($cmd eq "delete") { |
| 198 |
|
|
if (lc $arg[0] ne "inbox" and sql_exec "delete from box where uid = ? and name = ?", $uid, $arg[0]) { |
| 199 |
|
|
resp $fh, $tag, "OK"; |
| 200 |
|
|
} else { |
| 201 |
|
|
resp $fh, $tag, "NO"; |
| 202 |
|
|
} |
| 203 |
|
|
} elsif ($cmd eq "rename") { |
| 204 |
|
|
eval { |
| 205 |
|
|
sql_exec "update box set name = ? where uid = ? and name = ?", $arg[1], $uid, $arg[0]; |
| 206 |
|
|
}; |
| 207 |
|
|
if ($@) { |
| 208 |
|
|
$@ =~ y/\015\012//d; |
| 209 |
|
|
resp $fh, $tag, "NO $@"; |
| 210 |
|
|
} else { |
| 211 |
|
|
resp $fh, $tag, "OK"; |
| 212 |
|
|
} |
| 213 |
|
|
} elsif ($cmd eq "subscribe" || $cmd eq "unsubscribe" || $cmd eq "lsub") { |
| 214 |
|
|
resp $fh, $tag, "NO not supported"; |
| 215 |
|
|
} elsif ($cmd eq "list") { |
| 216 |
|
|
if ($arg[0] != "") { |
| 217 |
|
|
resp $fh, $tag, "NO reference not supported"; |
| 218 |
|
|
} else { |
| 219 |
|
|
#$arg[1] =~ y/%/%/; #% not supported yet |
| 220 |
|
|
$arg[1] =~ y/*/%/; |
| 221 |
|
|
my $st = sql_exec \my($name), |
| 222 |
|
|
"select name from box |
| 223 |
|
|
where uid = ? and name like ?", |
| 224 |
|
|
$uid, $arg[1]; |
| 225 |
|
|
my @r; |
| 226 |
|
|
while ($st->fetch) { |
| 227 |
|
|
push @r, "LIST () \"/\" $name"; |
| 228 |
|
|
} |
| 229 |
|
|
resp $fh, $tag, @r, "OK"; |
| 230 |
|
|
} |
| 231 |
|
|
} elsif ($cmd eq "append") { |
| 232 |
|
|
resp $fh, $tag, "BAD not supported yet!"; |
| 233 |
|
|
|
| 234 |
|
|
# message handling |
| 235 |
|
|
} elsif ($bid) { |
| 236 |
|
|
if ($cmd eq "close") { |
| 237 |
|
|
&$expunge; |
| 238 |
|
|
&$close; |
| 239 |
|
|
resp $fh, $tag, "OK"; |
| 240 |
|
|
} elsif ($cmd eq "expunge") { |
| 241 |
|
|
die if $U; |
| 242 |
|
|
&$expunge; |
| 243 |
|
|
resp $fh, $tag, "OK"; |
| 244 |
|
|
} elsif ($cmd eq "fetch") { |
| 245 |
|
|
my $list = expand_list($arg[0], scalar @mid); |
| 246 |
|
|
my ($mid, $flags, $date, $head, $body); |
| 247 |
|
|
my @exec; |
| 248 |
|
|
my ($sql_body, $sql_head) = (0, 0); |
| 249 |
|
|
my $sel = split_pgrp lc $arg[1]; |
| 250 |
|
|
|
| 251 |
|
|
while (my $s = shift @$sel) { |
| 252 |
|
|
if ($s eq "all") { |
| 253 |
|
|
push @$sel, qw(flags internaldate rfc822.size); next; |
| 254 |
|
|
} elsif ($s eq "full") { |
| 255 |
|
|
push @$sel, qw(flags internaldate rfc822.size envelope body); next; |
| 256 |
|
|
} elsif ($s eq "uid") { |
| 257 |
|
|
$s = sub { "UID $mid" }; |
| 258 |
|
|
} elsif ($s eq "flags") { |
| 259 |
|
|
$s = sub { |
| 260 |
|
|
"FLAGS (" . (join " ", map "\\" . ucfirst $_, split /,/, $flags) . ")"; |
| 261 |
|
|
}; |
| 262 |
|
|
} elsif ($s eq "internaldate") { |
| 263 |
|
|
$s = sub { "INTERNALDATE \"$date\"" }; |
| 264 |
|
|
} elsif ($s eq "rfc822.size") { |
| 265 |
|
|
$sql_body = "body"; |
| 266 |
|
|
$s = sub { "RFC822.SIZE ".length $body }; |
| 267 |
|
|
} elsif ($s eq "rfc822.header") { |
| 268 |
|
|
$sql_head = "header"; |
| 269 |
|
|
$s = sub { "RFC822.HEADER ".literal($head) }; |
| 270 |
|
|
} elsif ($s eq "rfc822") { |
| 271 |
|
|
$sql_body = "body"; $sql_head = "header"; |
| 272 |
|
|
$s = sub { "RFC822 ".literal($head.$CRLF.$body) }; |
| 273 |
pcg |
1.2 |
} elsif ($s eq "body.peek[0]") {#d# evolution-bug |
| 274 |
|
|
$sql_head = "header"; |
| 275 |
|
|
$s = sub { "BODY[0] ".literal($head) }; |
| 276 |
root |
1.1 |
} elsif ($s eq "rfc822.header.lines") { |
| 277 |
|
|
$sql_head = "header"; |
| 278 |
|
|
my $re; |
| 279 |
|
|
$re = '(?i:^((?:' |
| 280 |
|
|
. (join "|", @{split_pgrp shift @$sel}) |
| 281 |
|
|
. '):[^\012\015]*))'; |
| 282 |
|
|
$re = qr($re); |
| 283 |
|
|
|
| 284 |
|
|
$s = sub { |
| 285 |
|
|
"RFC822.HEADER.LINES ".literal (join $CRLF, $head =~ /$re/mg); |
| 286 |
|
|
}; |
| 287 |
|
|
} else { |
| 288 |
|
|
$s = sub { '""' }; |
| 289 |
|
|
} |
| 290 |
|
|
push @exec, $s; |
| 291 |
|
|
} |
| 292 |
|
|
|
| 293 |
|
|
my %rev; |
| 294 |
|
|
unless ($U) { |
| 295 |
|
|
for (@$list) { |
| 296 |
|
|
$mid = $mid[$_ - 1]; |
| 297 |
|
|
$rev{$mid} = $_; |
| 298 |
|
|
$_ = $mid; |
| 299 |
|
|
} |
| 300 |
|
|
} |
| 301 |
|
|
|
| 302 |
|
|
my $st = sql_exec \($mid, $flags, $date, $head, $body), |
| 303 |
|
|
"select id, flags, date_format(ntime, '%d-%m-%Y %h:%i:%s +0000'), $sql_head, $sql_body |
| 304 |
|
|
from msg |
| 305 |
|
|
where id in (".(join ",", @$list).")"; |
| 306 |
|
|
|
| 307 |
|
|
my $r; |
| 308 |
|
|
while ($st->fetch) { |
| 309 |
|
|
my $id = $U ? $mid : $rev{$mid}; |
| 310 |
|
|
$r .= "* $id FETCH (".(join " ", map &$_, @exec).")\015\12"; |
| 311 |
|
|
if (length $r > 32768) { |
| 312 |
|
|
print $fh $r; |
| 313 |
|
|
$r = ""; |
| 314 |
|
|
} |
| 315 |
|
|
} |
| 316 |
|
|
print $fh "$r$tag OK\015\012"; |
| 317 |
|
|
#resp $fh, $tag, "OK"; |
| 318 |
|
|
|
| 319 |
|
|
} elsif ($cmd eq "store") { |
| 320 |
|
|
my $list = expand_list($arg[0], scalar @mid); |
| 321 |
|
|
my $cmd = lc $arg[1]; |
| 322 |
|
|
my $flags = flags2bitmask(@{split_pgrp $arg[2]}); |
| 323 |
|
|
|
| 324 |
|
|
my %rev; |
| 325 |
|
|
unless ($U) { |
| 326 |
|
|
for (@$list) { |
| 327 |
|
|
$mid = $mid[$_ - 1]; |
| 328 |
|
|
$rev{$mid} = $_; |
| 329 |
|
|
$_ = $mid; |
| 330 |
|
|
} |
| 331 |
|
|
} |
| 332 |
|
|
|
| 333 |
|
|
my $ids = join ",", @$list; |
| 334 |
|
|
|
| 335 |
|
|
my $silent = $cmd =~ s/\.silent$//; |
| 336 |
|
|
|
| 337 |
|
|
if ($cmd eq "flags") { |
| 338 |
|
|
sql_exec "update msg set flags = ? where id in ($ids)", $flags; |
| 339 |
|
|
} elsif ($cmd eq "+flags") { |
| 340 |
|
|
sql_exec "update msg set flags = flags | ? where id in ($ids)", $flags; |
| 341 |
|
|
} elsif ($cmd eq "-flags") { |
| 342 |
|
|
sql_exec "update msg set flags = flags & ~? where id in ($ids)", $flags; |
| 343 |
|
|
} |
| 344 |
|
|
|
| 345 |
|
|
if ($silent) { |
| 346 |
|
|
resp $fh, $tag, "OK"; |
| 347 |
|
|
} else { |
| 348 |
|
|
my $st = sql_exec \($mid, $flags), |
| 349 |
|
|
"select id, flags |
| 350 |
|
|
from msg |
| 351 |
|
|
where id in ($ids)"; |
| 352 |
|
|
|
| 353 |
|
|
my $r; |
| 354 |
|
|
while ($st->fetch) { |
| 355 |
|
|
my $id = $U ? $mid : $rev{$mid}; |
| 356 |
|
|
$r .= "* $id FLAGS (" . (join " ", map "\\" . ucfirst $_, split /,/, $flags) . ")\015\012"; |
| 357 |
|
|
} |
| 358 |
|
|
print $fh "$r$tag OK\015\012"; |
| 359 |
|
|
#resp $fh, $tag, "OK"; |
| 360 |
|
|
} |
| 361 |
|
|
|
| 362 |
|
|
} else { |
| 363 |
pcg |
1.2 |
resp $fh, $tag, "BAD command not understood (nocommand)"; |
| 364 |
root |
1.1 |
} |
| 365 |
|
|
|
| 366 |
|
|
# well... |
| 367 |
|
|
} else { |
| 368 |
pcg |
1.2 |
resp $fh, $tag, "BAD command not understood (notmailbox)"; |
| 369 |
root |
1.1 |
} |
| 370 |
|
|
|
| 371 |
|
|
} else { |
| 372 |
pcg |
1.2 |
resp $fh, $tag, "BAD command not understood (notauth)"; |
| 373 |
root |
1.1 |
} |
| 374 |
|
|
} |
| 375 |
|
|
}; |
| 376 |
|
|
if ($@) { |
| 377 |
|
|
resp $fh, "*", "BYE"; |
| 378 |
|
|
slog 0, "$@"; |
| 379 |
|
|
} |
| 380 |
|
|
slog 3, "$fh: closed connection\n";#d# |
| 381 |
|
|
} |
| 382 |
|
|
|
| 383 |
|
|
async { |
| 384 |
|
|
slog 1, "accepting connections"; |
| 385 |
|
|
while () { |
| 386 |
|
|
my $fh = $port->accept; |
| 387 |
|
|
slog 3, "accepted $fh on $port"; |
| 388 |
|
|
async \&handle_connection, $fh; |
| 389 |
|
|
undef $fh; |
| 390 |
|
|
} |
| 391 |
|
|
}; |
| 392 |
|
|
|
| 393 |
|
|
loop; |
| 394 |
|
|
|
