scripts/service.in

   1 #!/usr/bin/perl -w
   2 # $Id: service.in,v 1.19 2000/10/07 15:16:18 joy Exp $
   3 #
   4 # Usage: service <code>.nn
   5 # Temps:  incoming/P<code>.nn
   6
   7 use Mail::Address;
   8 require('/etc/debbugs/config');
   9 require('/usr/lib/debbugs/errorlib');
  10 $ENV{'PATH'}= '/usr/lib/debbugs'.$ENV{'PATH'};;
  11 chdir("$gSpoolDir") || die "chdir spool: $!\n";
  12
  13 # open(DEBUG,">&4");
  14 $debug = 0;
  15 $wwwbase= "$gWebDir";
  16
  17 $_=shift;
  18 m/^[RC]\.\d+$/ || &quit("bad argument");
  19 $control= m/C/;
  20 $nn= $_;
  21 if (!rename("incoming/G$nn","incoming/P$nn"))
  22 {       $_=$!.'';  m/no such file or directory/i && exit 0;
  23     &quit("renaming to lock: $!");
  24 }
  25
  26 open(M,"incoming/P$nn");
  27 @log=<M>;
  28 @msg=@log;
  29 close(M);
  30
  31 grep((s/\n$//,s/\s+$//),@msg);
  32
  33 print "###\n",join("##\n",@msg),"\n###\n" if $debug;
  34
  35 chop($tdate= `date -u '+%a, %d %h %Y %T GMT'`);
  36 $fwd= <<END;
  37 Received: via spool for service; $tdate
  38 END
  39
  40 for ($i=0; $i<=$#msg; $i++)
  41 {       $_ = $msg[$i];
  42     last unless length($_);
  43     $fwd .= $_."\n";
  44     while ($msg[$i+1] =~ m/^\s/)
  45         {       $i++;
  46         $fwd .= $msg[$i]."\n" if $ins; # Huh ? Where is ins set ?
  47         $_ .= ' '.$msg[$i];
  48     }
  49         print ">$_<\n" if $debug;
  50     if (s/^(\S+):\s*//)
  51         {       $v= $1; $v =~ y/A-Z/a-z/;
  52                 print ">$v=$_<\n" if $debug;
  53         $header{$v}= $_;
  54     } else { print "!>$_<\n" if $debug; }
  55 }
  56
  57 defined($header{'from'}) || &quit("no From header");
  58 delete $header{'reply-to'} if ( defined($header{'reply-to'}) && $header{'reply-to'} =~ m/^\s*$/ );
  59 if ( defined($header{'reply-to'}) && $header{'reply-to'} ne "" ) {
  60     $replyto = $header{'reply-to'};
  61 } else {
  62     $replyto = $header{'from'};
  63 }
  64
  65 $controlrequestaddr= $control ? "control\@$gEmailDomain" : "request\@$gEmailDomain";
  66 $transcript='';
  67 &transcript("Processing commands for $controlrequestaddr:\n\n");
  68
  69 $dl= 0;
  70 $state= 'idle';
  71 $lowstate= 'idle';
  72 $mergelowstate= 'idle';
  73 $midix=0;
  74 $extras="";
  75
  76 #strip blank line(s) after header
  77 while ( $i <= $#msg && !length( $msg[$i] ) ) { $fwd .= "\n"; $i++; }
  78
  79 #strip, if exists, mime header
  80 if ( $msg[$i] =~ /^This is a multi-part message in MIME format./ )
  81 {       while ( $i <= $#msg && length( $msg[$i] ) ) { $fwd .= $msg[$i] . "\n"; $i++; }
  82         while ( $i <= $#msg && !length( $msg[$i] ) ) { $fwd .= "\n"; $i++; }
  83 }
  84 if ( $msg[$i] =~ /^--/ || $msg[$i] =~ /^\s*$/ )
  85 {       while ( $i <= $#msg && length( $msg[$i] ) ) { $fwd .= $msg[$i]; $i++; }
  86         while ( $i <= $#msg && !length( $msg[$i] ) ) { $fwd .= "\n"; $i++; }
  87 }
  88
  89
  90 for ($procline=$i; $procline<=$#msg; $procline++)
  91 {       $state eq 'idle' || print "$state ?\n";
  92     $lowstate eq 'idle' || print "$lowstate ?\n";
  93     $mergelowstate eq 'idle' || print "$mergelowstate ?\n";
  94     $_= $msg[$procline]; s/\s+$//;
  95     next unless m/\S/; next if m/^\s*\#/;
  96     &transcript("> $_\n");
  97     $action= '';
  98     if (m/^stop\s/i || m/^quit\s/i || m/^--/ || m/^thank/i)
  99         {       &transcript("Stopping processing here.\n\n");
 100         last;
 101     } elsif (m/^debug\s+(\d+)$/i && $1 >= 0 && $1 <= 1000) {
 102         $dl= $1+0;
 103         &transcript("Debug level $dl.\n\n");
 104     } elsif (m/^(send|get)\s+\#?(\d{2,})$/i) {
 105         $ref= $2+0;
 106         &sendlynxdoc("$ref","logs for $gBug#$ref");
 107     } elsif (m/^send-detail\s+\#?(\d+)$/i) {
 108         $ref= $1+0; $reffile= $ref; $reffile =~ s,^..,$&/$&,;
 109         &sendlynxdoc("db/$reffile-b.html","additional logs for $gBug#$ref");
 110     } elsif (m/^index(\s+full)?$/i) {
 111         &sendlynxdoc("db/ix/full.html",'full index');
 112     } elsif (m/^index-summary\s+by-package$/i) {
 113         &sendlynxdoc("db/ix/psummary.html",'summary index sorted by package/title');
 114     } elsif (m/^index-summary(\s+by-number)?$/i) {
 115         &sendlynxdoc("db/ix/summary.html",'summary index sorted by number/date');
 116     } elsif (m/^index(\s+|-)pack(age)?s?$/i) {
 117         &sendlynxdoc("db/ix/packages.html",'index of packages');
 118     } elsif (m/^index(\s+|-)maints?$/i) {
 119         &sendlynxdoc("db/ix/maintainers.html",'index of maintainers');
 120     } elsif (m/^index(\s+|-)maint\s+(\S.*\S)$/i) {
 121         $substrg= $2; $matches=0;
 122         opendir(DBD,"$gWebDir/db/ma") || die $!;
 123         while (defined($_=readdir(DBD))) {
 124             next unless m/^l/ && m/\.html$/;
 125             &transcript("F|$_\n") if $dl>1;
 126             $filename= $_; s/^l//; s/\.html$//;
 127             &transcript("P|$_\n") if $dl>2;
 128             while (s/-(..)([^_])/-$1_-$2/) { }
 129             &transcript("P|$_\n") if $dl>2;
 130             s/^(.{0,2})_/$1-20_/g; while (s/([^-]..)_/$1-20_/) { };
 131             &transcript("P|$_\n") if $dl>2;
 132             s/^,(.*),(.*),([^,]+)$/$1-40_$2-20_-28_$3-29_/;
 133             &transcript("P|$_\n") if $dl>2;
 134             s/^([^,]+),(.*),(.*),$/$1-20_-3c_$2-40_$3-3e_/;
 135             &transcript("P|$_\n") if $dl>2;
 136             s/\./-2e_/g;
 137             &transcript("P|$_\n") if $dl>2;
 138             $out='';
 139             while (m/-(..)_/) { $out.= $`.sprintf("%c",hex($1)); $_=$'; }
 140             $out.=$_;
 141             &transcript("M|$out\n") if $dl>1;
 142             next unless index(lc $out, lc $substrg)>=0;
 143             &transcript("S|$filename\n") if $dl>0;
 144             &transcript("S|$out\n") if $dl>0;
 145             $matches++;
 146             &sendlynxdocraw("db/ma/$filename","$gBug list for maintainer \`$out'");
 147         }
 148         if ($matches) {
 149             &transcript("$gBug list(s) for $matches maintainer(s) sent.\n\n");
 150         } else {
 151             &transcript("No maintainers found containing \`$substrg'.\n".
 152                         "Use \`index-maint' to get list of maintainers.\n\n");
 153         }
 154         $ok++;
 155     } elsif (m/^index(\s+|-)pack(age)?s?\s+(\S.*\S)$/i) {
 156         $substrg= $+; $matches=0;
 157         opendir(DBD,"$gWebDir/db/pa") || die $!;
 158         while (defined($_=readdir(DBD))) {
 159             next unless m/^l/ && m/\.html$/;
 160             &transcript("F|$_\n") if $dl>1;
 161             $filename= $_; s/^l//; s/\.html$//;
 162             next unless index(lc $_, lc $substrg)>=0;
 163             &transcript("S|$filename\n") if $dl>0;
 164             &transcript("S|$out\n") if $dl>0;
 165             $matches++;
 166             &sendlynxdocraw("db/pa/$filename","$gBug list for package \`$_'");
 167         }
 168         if ($matches) {
 169             &transcript("$gBug list(s) for $matches package(s) sent.\n\n");
 170         } else {
 171             &transcript("No packages found containing \`$substrg'.\n".
 172                         "Use \`index-packages' to get list of packages.\n\n");
 173         }
 174         $ok++;
 175     } elsif (m/^send-unmatched(\s+this|\s+-?0)?$/i) {
 176         &sendlynxdoc("db/ju/unmatched-1.html","junk (this week)");
 177     } elsif (m/^send-unmatched\s+(last|-1)$/i) {
 178         &sendlynxdoc("db/ju/unmatched-2.html","junk (last week)");
 179     } elsif (m/^send-unmatched\s+(old|-2)$/i) {
 180         &sendlynxdoc("db/ju/unmatched-3.html","junk (two weeks ago)");
 181     } elsif (m/^getinfo\s+(\S+)$/i) {
 182         $file= $1;
 183         if ($file =~ m/^\./ || $file !~ m/^[-.0-9a-z]+$/ || $file =~ m/\.gz$/) {
 184             &transcript("Filename $file is badly formatted.\n\n");
 185         } elsif (open(P,"$gDocDir/$file")) {
 186             $ok++;
 187             &transcript("Info file $file appears below.\n\n");
 188             $extras.= "\n---------- Info file $file follows:\n\n";
 189             while(<P>) { $extras.= $_; }
 190             close(P);
 191         } else {
 192             &transcript("Info file $file does not exist.\n\n");
 193          }
 194     } elsif (m/^help$/i) {
 195         &sendhelp;
 196         &transcript("\n");
 197         $ok++;
 198     } elsif (m/^refcard$/i) {
 199         &sendtxthelp("bug-mailserver-refcard.txt","mailservers' reference card");
 200     } elsif (m/^subscribe/i) {
 201         &transcript(<<END);
 202 There is no $gProject $gBug mailing list.  If you wish to review bug reports
 203 please do so via http://$gWebUrl/ or ask this mailserver
 204 to send them to you.
 205 soon: MAILINGLISTS_TEXT
 206 END
 207     } elsif (m/^unsubscribe/i) {
 208         &transcript(<<END);
 209 soon: UNSUBSCRIBE_TEXT
 210 soon: MAILINGLISTS_TEXT
 211 END
 212     } elsif (!$control) {
 213         &transcript(<<END);
 214 Unknown command or malformed arguments to command.
 215 (Use control\@$gEmailDomain to manipulate reports.)
 216
 217 END
 218         if (++$unknowns >= 3) {
 219             &transcript("Too many unknown commands, stopping here.\n\n");
 220             last;
 221         }
 222     } elsif (m/^close\s+\#?(\d+)$/i) {
 223         $ok++;
 224         $ref= $1;
 225         if (&setbug) {
 226             if (length($s_done)) {
 227                 &transcript("$gBug is already closed, cannot re-close.\n\n");
 228                 &nochangebug;
 229             } else {
 230                 $action= "$gBug closed, send any further explanations to $s_originator";
 231                 do {
 232                     &addmaintainers($s_package);
 233                                         if ( length( $gDoneList ) > 0 && length( $gListDomain ) >
 234                                         0 ) { &addccaddress("$gDoneList\@$gListDomain"); }
 235                     $s_done= $replyto;
 236                     $message= <<END;
 237 From: $gMaintainerEmail ($gProject $gBug Tracking System)
 238 To: $s_originator
 239 Subject: $gBug#$ref acknowledged by developer
 240          ($header{'subject'})
 241 References: $header{'message-id'} $s_msgid
 242 In-Reply-To: $s_msgid
 243 Message-ID: <handler.$ref.$nn.notifdonectrl.$midix\@$gEmailDomain>
 244
 245 This is an automatic notification regarding your $gBug report
 246 #$ref: $s_subject.
 247
 248 It has been marked as closed by one of the developers, namely
 249 $replyto.
 250
 251 You should be hearing from them with a substantive response shortly,
 252 if you have not already done so.  If not, please contact them
 253 directly or myself.
 254
 255 $gMaintainer
 256 (administrator, $gProject $gBugs database)
 257 END
 258                     &sendmailmessage($message,$s_originator);
 259                 } while (&getnextbug);
 260             }
 261         }
 262     } elsif (m/^reassign\s+\#?(\d+)\s+(\S.*\S)$/i) {
 263         $ok++;
 264         $ref= $1; $newpackage= $2;
 265         $newpackage =~ y/A-Z/a-z/;
 266         if (&setbug) {
 267             if (length($s_package)) {
 268                 $action= "$gBug reassigned from package \`$s_package'".
 269                          " to \`$newpackage'.";
 270             } else {
 271                 $action= "$gBug assigned to package \`$newpackage'.";
 272             }
 273             do {
 274                 &addmaintainers($s_package);
 275                 &addmaintainers($newpackage);
 276                 $s_package= $newpackage;
 277             } while (&getnextbug);
 278         }
 279     } elsif (m/^reopen\s+\#?(\d+)$/i ? ($noriginator='', 1) :
 280              m/^reopen\s+\#?(\d+)\s+\=$/i ? ($noriginator='', 1) :
 281              m/^reopen\s+\#?(\d+)\s+\!$/i ? ($noriginator=$replyto, 1) :
 282              m/^reopen\s+\#?(\d+)\s+(\S.*\S)$/i ? ($noriginator=$2, 1) : 0) {
 283         $ok++;
 284         $ref= $1;
 285         if (&setbug) {
 286             if (!length($s_done)) {
 287                 &transcript("$gBug is already open, cannot reopen.\n\n");
 288                 &nochangebug;
 289             } else {
 290                 $action=
 291                     $noriginator eq '' ? "$gBug reopened, originator not changed." :
 292                         "$gBug reopened, originator set to $noriginator.";
 293                 do {
 294                     &addmaintainers($s_package);
 295                     $s_originator= $noriginator eq '' ?  $s_originator : $noriginator;
 296                     $s_done= '';
 297                 } while (&getnextbug);
 298             }
 299         }
 300     } elsif (m/^forwarded\s+\#?(\d+)\s+(\S.*\S)$/i) {
 301         $ok++;
 302         $ref= $1; $whereto= $2;
 303         if (&setbug) {
 304             if (length($s_forwarded)) {
 305     $action= "Forwarded-to-address changed from $s_forwarded to $whereto.";
 306             } else {
 307     $action= "Noted your statement that $gBug has been forwarded to $whereto.";
 308             }
 309             if (length($s_done)) {
 310                 $extramessage= "(By the way, this $gBug is currently marked as done.)\n";
 311             }
 312             do {
 313                 &addmaintainers($s_package);
 314                                 if (length($gFowardList)>0 && length($gListDomain)>0 )
 315                 { &addccaddress("$gFowardList\@$gListDomain"); }
 316                 $s_forwarded= $whereto;
 317             } while (&getnextbug);
 318         }
 319     } elsif (m/^notforwarded\s+\#?(\d+)$/i) {
 320         $ok++;
 321         $ref= $1;
 322         if (&setbug) {
 323             if (!length($s_forwarded)) {
 324                 &transcript("$gBug is not marked as having been forwarded.\n\n");
 325                 &nochangebug;
 326             } else {
 327     $action= "Removed annotation that $gBug had been forwarded to $s_forwarded.";
 328                 do {
 329                     &addmaintainers($s_package);
 330                     $s_forwarded= '';
 331                 } while (&getnextbug);
 332             }
 333         }
 334     } elsif (m/^severity\s+\#?(\d+)\s+([-0-9a-z]+)$/i ||
 335         m/^priority\s+\#?(\d+)\s+([-0-9a-z]+)$/i) {
 336         $ok++;
 337         $ref= $1;
 338         $newseverity= $2;
 339         if (!grep($_ eq $newseverity, @severities, "$gDefaultSeverity")) {
 340             &transcript("Severity level \`$newseverity' is not known.\n".
 341                         "Recognised are: ".join(' ',@showseverities).".\n\n");
 342         } elsif (&setbug) {
 343             $printseverity= $s_severity;
 344             $printseverity= "$gDefaultSeverity" if $printseverity eq '';
 345             $action= "Severity set to \`$newseverity'.";
 346             do {
 347                 &addmaintainers($s_package);
 348                 $s_severity= $newseverity;
 349             } while (&getnextbug);
 350         }
 351     } elsif (m/^retitle\s+\#?(\d+)\s+(\S.*\S)\s*$/i) {
 352         $ok++;
 353         $ref= $1; $newtitle= $2;
 354         if (&getbug) {
 355             &foundbug;
 356             &addmaintainers($s_package);
 357             $s_subject= $newtitle;
 358             $action= "Changed $gBug title.";
 359             &savebug;
 360             &transcript("$action\n");
 361             if (length($s_done)) {
 362                 &transcript("(By the way, that $gBug is currently marked as done.)\n");
 363             }
 364             &transcript("\n");
 365         } else {
 366             &notfoundbug;
 367         }
 368     } elsif (m/^unmerge\s+\#?(\d+)$/i) {
 369         $ok++;
 370         $ref= $1;
 371         if (&setbug) {
 372             if (!length($s_mergedwith)) {
 373                 &transcript("$gBug is not marked as being merged with any others.\n\n");
 374                 &nochangebug;
 375             } else {
 376                 $mergelowstate eq 'locked' || die "$mergelowstate ?";
 377                 $action= "Disconnected #$ref from all other report(s).";
 378                 @newmergelist= split(/ /,$s_mergedwith);
 379                 $discref= $ref;
 380                 do {
 381                     &addmaintainers($s_package);
 382                     $s_mergedwith= ($ref == $discref) ? ''
 383                         : join(' ',grep($_ ne $ref,@newmergelist));
 384                 } while (&getnextbug);
 385             }
 386         }
 387     } elsif (m/^merge\s+(\d+(\s+\d+)+)\s*$/i) {
 388         $ok++;
 389         @tomerge= sort { $a <=> $b } split(/\s+/,$1);
 390         @newmergelist= ();
 391         &getmerge;
 392         while (defined($ref= shift(@tomerge))) {
 393             &transcript("D| checking merge $ref\n") if $dl;
 394             $ref+= 0;
 395             next if grep($_ eq $ref,@newmergelist);
 396             if (!&getbug) { &notfoundbug; @newmergelist=(); last }
 397             &foundbug;
 398             &transcript("D| adding $ref ($s_mergewith)\n") if $dl;
 399             $mismatch= '';
 400             &checkmatch('package','m_package',$s_package);
 401             &checkmatch('forwarded addr','m_forwarded',$s_forwarded);
 402             $s_severity = '$gDefaultSeverity' if $s_severity eq '';
 403             &checkmatch('severity','m_severity',$s_severity);
 404             &checkmatch('done mark','m_done',length($s_done) ? 'done' : 'open');
 405             if (length($mismatch)) {
 406                 &transcript("Mismatch - only $gBugs in same state can be merged:\n".
 407                             $mismatch."\n");
 408                 &cancelbug; @newmergelist=(); last;
 409             }
 410             push(@newmergelist,$ref);
 411             push(@tomerge,split(/ /,$s_mergedwith));
 412             &cancelbug;
 413         }
 414         if (@newmergelist) {
 415             @newmergelist= sort { $a <=> $b } @newmergelist;
 416             $action= "Merged @newmergelist.";
 417             for $ref (@newmergelist) {
 418                 &getbug || die "huh ?  $gBug $ref disappeared during merge";
 419                 &addmaintainers($s_package);
 420                 $s_mergedwith= join(' ',grep($_ ne $ref,@newmergelist));
 421                 &savebug;
 422             }
 423             &transcript("$action\n\n");
 424         }
 425         &endmerge;
 426     } else {
 427         &transcript("Unknown command or malformed arguments to command.\n\n");
 428         if (++$unknowns >= 5) {
 429             &transcript("Too many unknown commands, stopping here.\n\n");
 430             last;
 431         }
 432     }
 433 }
 434 if ($procline>$#msg) {
 435     &transcript(">\nEnd of message, stopping processing here.\n\n");
 436 }
 437 if (!$ok) {
 438     &transcript("No commands successfully parsed; sending the help text(s).\n");
 439     &sendhelp;
 440     &transcript("\n");
 441 }
 442
 443 &transcript("MC\n") if $dl>1;
 444 @maintccs= ();
 445 for $maint (keys %maintccreasons) {
 446 &transcript("MM|$maint|\n") if $dl>1;
 447     next if $maint eq $replyto;
 448     $reasonstring= '';
 449     $reasonsref= $maintccreasons{$maint};
 450 &transcript("MY|$maint|\n") if $dl>2;
 451     for $p (sort keys %$reasonsref) {
 452 &transcript("MP|$p|\n") if $dl>2;
 453         $reasonstring.= ', ' if length($reasonstring);
 454         $reasonstring.= $p.' ' if length($p);
 455         $reasonstring.= join(' ',map("#$_",sort keys %{$$reasonsref{$p}}));
 456     }
 457     push(@maintccs,"$maint ($reasonstring)");
 458     push(@maintccaddrs,"$maint");
 459 }
 460 if (@maintccs) {
 461     &transcript("MC|@maintccs|\n") if $dl>2;
 462     $maintccs= "Cc: ".join(",\n    ",@maintccs)."\n";
 463 } else { $maintccs = ""; }
 464
 465 $reply= <<END;
 466 From: $gMaintainerEmail ($gProject $gBug Tracking System)
 467 To: $replyto
 468 ${maintccs}Subject: Processed: $header{'subject'}
 469 In-Reply-To: $header{'message-id'}
 470 References: $header{'message-id'}
 471 Message-ID: <handler.s.$nn.transcript\@$gEmailDomain>
 472
 473 ${transcript}Please contact me if you need assistance.
 474
 475 $gMaintainer
 476 (administrator, $gProject $gBugs database)
 477 $extras
 478 END
 479
 480 $repliedshow= join(', ',$replyto,@maintccaddrs);
 481 &filelock("lock/-1");
 482 open(AP,">>db/-1.log") || &quit("open db/-1.log: $!");
 483 print(AP
 484       "\2\n$repliedshow\n\5\n$reply\n\3\n".
 485       "\6\n".
 486       "<strong>Request received</strong> from <code>".
 487       &sani($header{'from'})."</code>\n".
 488       "to <code>".&sani($controlrequestaddr)."</code>\n".
 489       "\3\n".
 490       "\7\n",@log,"\n\3\n") || &quit("writing db/-1.log: $!");
 491 close(AP) || &quit("open db/-1.log: $!");
 492 &unfilelock;
 493 utime(time,time,"db");
 494
 495 &sendmailmessage($reply,$replyto,@maintccaddrs);
 496
 497 unlink("incoming/P$nn") || &quit("unlinking incoming/P$nn: $!");
 498
 499 sub get_addresses {
 500     return
 501        map { $_->address() }
 502        map { Mail::Address->parse($_) } @_;
 503 }
 504
 505 sub sendmailmessage {
 506     local ($message,@recips) = @_;
 507     print "mailing to >@recips<\n" if $debug;
 508     $c= open(D,"|-");
 509     defined($c) || &quit("mailing forking for sendmail: $!");
 510     if (!$c) { # ie, we are the child process
 511         exec '/usr/lib/sendmail','-f'."$gMaintainerEmail",'-odi','-oem','-oi',get_addresses(@recips);
 512         die $!;
 513     }
 514     print(D $message) || &quit("writing to sendmail process: $!");
 515     $!=0; close(D); $? && &quit("sendmail gave exit status $? ($!)");
 516     $midix++;
 517 }
 518
 519 sub sendhelp {
 520         &sendtxthelpraw("bug-log-mailserver.txt","instructions for request\@$gEmailDomain");
 521         &sendtxthelpraw("bug-maint-mailcontrol.txt","instructions for control\@$gEmailDomain")
 522             if $control;
 523 }
 524
 525 #sub unimplemented {
 526 #    &transcript("Sorry, command $_[0] not yet implemented.\n\n");
 527 #}
 528
 529 sub checkmatch {
 530     local ($string,$mvarname,$svarvalue) = @_;
 531     local ($mvarvalue);
 532     if (@newmergelist) {
 533         eval "\$mvarvalue= \$$mvarname";
 534         &transcript("D| checkmatch \`$string' /$mvarname/$mvarvalue/$svarvalue/\n")
 535             if $dl;
 536         $mismatch .=
 537             "Values for \`$string' don't match:\n".
 538             " #$newmergelist[0] has \`$mvarvalue';\n".
 539             " #$ref has \`$svarvalue'\n"
 540             if $mvarvalue ne $svarvalue;
 541     } else {
 542         &transcript("D| setupmatch \`$string' /$mvarname/$svarvalue/\n")
 543             if $dl;
 544         eval "\$$mvarname= \$svarvalue";
 545     }
 546 }
 547
 548 # High-level bug manipulation calls
 549 # Do announcements themselves
 550 #
 551 # Possible calling sequences:
 552 #    setbug (returns 0)
 553 #
 554 #    setbug (returns 1)
 555 #    &transcript(something)
 556 #    nochangebug
 557 #
 558 #    setbug (returns 1)
 559 #    $action= (something)
 560 #    do {
 561 #      (modify s_* variables)
 562 #    } while (getnextbug);
 563
 564 sub nochangebug {
 565     &dlen("nochangebug");
 566     $state eq 'single' || $state eq 'multiple' || die "$state ?";
 567     &cancelbug;
 568     &endmerge if $manybugs;
 569     $state= 'idle';
 570     &dlex("nochangebug");
 571 }
 572
 573 sub setbug {
 574     &dlen("setbug $ref");
 575     $state eq 'idle' || die "$state ?";
 576     if (!&getbug) {
 577         &notfoundbug;
 578         &dlex("setbug => 0s");
 579         return 0;
 580     }
 581     @thisbugmergelist= split(/ /,$s_mergedwith);
 582     if (!@thisbugmergelist) {
 583         &foundbug;
 584         $manybugs= 0;
 585         $state= 'single';
 586         $sref=$ref;
 587         &dlex("setbug => 1s");
 588         return 1;
 589     }
 590     &cancelbug;
 591     &getmerge;
 592     $manybugs= 1;
 593     if (!&getbug) {
 594         &notfoundbug;
 595         &endmerge;
 596         &dlex("setbug => 0mc");
 597         return 0;
 598     }
 599     &foundbug;
 600     $state= 'multiple'; $sref=$ref;
 601     &dlex("setbug => 1m");
 602     return 1;
 603 }
 604
 605 sub getnextbug {
 606     &dlen("getnextbug");
 607     $state eq 'single' || $state eq 'multiple' || die "$state ?";
 608     &savebug;
 609     if (!$manybugs || !@thisbugmergelist) {
 610         length($action) || die;
 611         &transcript("$action\n$extramessage\n");
 612         &endmerge if $manybugs;
 613         $state= 'idle';
 614         &dlex("getnextbug => 0");
 615         return 0;
 616     }
 617     $ref= shift(@thisbugmergelist);
 618     &getbug || die "bug $ref disappeared";
 619     &foundbug;
 620     &dlex("getnextbug => 1");
 621     return 1;
 622 }
 623
 624 # Low-level bug-manipulation calls
 625 # Do no announcements
 626 #
 627 #    getbug (returns 0)
 628 #
 629 #    getbug (returns 1)
 630 #    cancelbug
 631 #
 632 #    getmerge
 633 #    $action= (something)
 634 #    getbug (returns 1)
 635 #    savebug/cancelbug
 636 #    getbug (returns 1)
 637 #    savebug/cancelbug
 638 #    [getbug (returns 0)]
 639 #    &transcript("$action\n\n")
 640 #    endmerge
 641
 642 sub notfoundbug { &transcript("$gBug number $ref not found.\n\n"); }
 643 sub foundbug { &transcript("$gBug#$ref: $s_subject\n"); }
 644
 645 sub getmerge {
 646     &dlen("getmerge");
 647     $mergelowstate eq 'idle' || die "$mergelowstate ?";
 648     &filelock('lock/merge');
 649     $mergelowstate='locked';
 650     &dlex("getmerge");
 651 }
 652
 653 sub endmerge {
 654     &dlen("endmerge");
 655     $mergelowstate eq 'locked' || die "$mergelowstate ?";
 656     &unfilelock;
 657     $mergelowstate='idle';
 658     &dlex("endmerge");
 659 }
 660
 661 sub getbug {
 662     &dlen("getbug $ref");
 663     $lowstate eq 'idle' || die "$state ?";
 664     if (&lockreadbug($ref)) {
 665         $sref= $ref;
 666         $lowstate= "open";
 667         &dlex("getbug => 1");
 668         $extramessage='';
 669         return 1;
 670     }
 671     $lowstate= 'idle';
 672     &dlex("getbug => 0");
 673     return 0;
 674 }
 675
 676 sub cancelbug {
 677     &dlen("cancelbug");
 678     $lowstate eq 'open' || die "$state ?";
 679     &unfilelock;
 680     $lowstate= 'idle';
 681     &dlex("cancelbug");
 682 }
 683
 684 sub savebug {
 685     &dlen("savebug $ref");
 686     $lowstate eq 'open' || die "$lowstate ?";
 687     length($action) || die;
 688     $ref == $sref || die "read $sref but saving $ref ?";
 689     open(L,">>db/$ref.log") || &quit("opening db/$ref.log: $!");
 690     print(L
 691           "\6\n".
 692           "<strong>".&sani($action)."</strong>\n".
 693           "Request was from <code>".&sani($header{'from'})."</code>\n".
 694           "to <code>".&sani($controlrequestaddr)."</code>. \n".
 695           "\3\n".
 696           "\7\n",@log,"\n\3\n") || &quit("writing db/$ref.log: $!");
 697     close(L) || &quit("closing db/$ref.log: $!");
 698     open(S,">db/$ref.status.new") || &quit("opening db/$ref.status.new: $!");
 699     print(S
 700           "$s_originator\n".
 701           "$s_date\n".
 702           "$s_subject\n".
 703           "$s_msgid\n".
 704           "$s_package\n".
 705           "$s_keywords\n".
 706           "$s_done\n".
 707           "$s_forwarded\n".
 708           "$s_mergedwith\n".
 709           "$s_severity\n") || &quit("writing db/$ref.status.new: $!");
 710     close(S) || &quit("closing db/$ref.status.new: $!");
 711     rename("db/$ref.status.new","db/$ref.status") ||
 712         &quit("installing new db/$ref.status: $!");
 713     &unfilelock;
 714     $lowstate= "idle";
 715     &dlex("savebug");
 716 }
 717
 718 sub dlen {
 719     return if !$dl;
 720     &transcript("C> @_ ($state $lowstate $mergelowstate)\n");
 721 }
 722
 723 sub dlex {
 724     return if !$dl;
 725     &transcript("R> @_ ($state $lowstate $mergelowstate)\n");
 726 }
 727
 728 sub transcript {
 729     print $_[0] if $debug;
 730     $transcript.= $_[0];
 731 }
 732
 733 sub sendlynxdoc {
 734     &sendlynxdocraw;
 735     &transcript("\n");
 736     $ok++;
 737 }
 738
 739 sub sendtxthelp {
 740     &sendtxthelpraw;
 741     &transcript("\n");
 742     $ok++;
 743 }
 744
 745 sub sendtxthelpraw {
 746     local ($relpath,$description) = @_;
 747     $doc='';
 748     open(D,"$gDocDir/$relpath") || &quit("open doc file $relpath: $!");
 749     while(<D>) { $doc.=$_; }
 750     close(D);
 751     &transcript("Sending $description in separate message.\n");
 752     &sendmailmessage(<<END.$doc,$replyto);
 753 From: $gMaintainerEmail ($gProject $gBug Tracking System)
 754 To: $replyto
 755 Subject: $gProject $gBug help: $description
 756 References: $header{'message-id'}
 757 In-Reply-To: $header{'message-id'}
 758 Message-ID: <handler.s.$nn.help.$midix\@$gEmailDomain>
 759
 760 END
 761     $ok++;
 762 }
 763
 764 sub sendlynxdocraw {
 765     local ($relpath,$description) = @_;
 766     $doc='';
 767     open(L,"lynx -nolist -dump http://$gWebDomain/$relpath 2>&1 |") || &quit("fork for lynx: $!");
 768     while(<L>) { $doc.=$_; }
 769     $!=0; close(L);
 770     if ($? == 255 && $doc =~ m/^\n*lynx: Can\'t access start file/) {
 771         &transcript("Information ($description) is not available -\n".
 772                     "perhaps the $gBug does not exist or is not on the WWW yet.\n");
 773          $ok++;
 774     } elsif ($?) {
 775         &transcript("Error getting $description (code $? $!):\n$doc\n");
 776     } else {
 777         &transcript("Sending $description.\n");
 778         &sendmailmessage(<<END.$doc,$replyto);
 779 From: $gMaintainerEmail ($gProject $gBug Tracking System)
 780 To: $replyto
 781 Subject: $gProject $gBugs information: $description
 782 References: $header{'message-id'}
 783 In-Reply-To: $header{'message-id'}
 784 Message-ID: <handler.s.$nn.info.$midix\@$gEmailDomain>
 785
 786 END
 787          $ok++;
 788     }
 789 }
 790
 791 sub addccaddress {
 792     my ($cca) = @_;
 793     $maintccreasons{$cca}{''}{$ref}= 1;
 794 }
 795
 796 sub addmaintainers
 797 {       # Data structure is:
 798     #   maintainer email address &c -> assoc of packages -> assoc of bug#'s
 799     my ($p, $addmaint, $pshow);
 800     &ensuremaintainersloaded;
 801     $anymaintfound=0; $anymaintnotfound=0;
 802     for $p (split(m/[ \t?,()]+/,$_[0]))
 803         {       $p =~ y/A-Z/a-z/;
 804         $pshow= ($p =~ m/[-+.a-z0-9]+/ ? $& : '');
 805         if (defined($maintainerof{$p}))
 806                 {       $addmaint= $maintainerof{$p};
 807                         &transcript("MR|$addmaint|$p|$ref|\n") if $dl>2;
 808             $maintccreasons{$addmaint}{$p}{$ref}= 1;
 809                         print "maintainer add >$p|$addmaint<\n" if $debug;
 810         } else { print "maintainer none >$p<\n" if $debug; }
 811     }
 812 }
 813
 814 sub ensuremaintainersloaded {
 815     my ($a,$b);
 816     return if $maintainersloaded++;
 817     open(MAINT,"$gMaintainerFile") || die &quit("maintainers open: $!");
 818     while (<MAINT>) {
 819         m/^\n$/ && next;
 820         m/^\s*$/ && next;
 821         m/^(\S+)\s+(\S.*\S)\n$/ || &quit("maintainers bogus \`$_'");
 822         $a= $1; $b= $2; $a =~ y/A-Z/a-z/;
 823         $maintainerof{$1}= $2;
 824     }
 825     close(MAINT);
 826 }