src/src/convert4r3.src

   1 #! PERL_COMMAND -w
   2 # $Cambridge: exim/src/src/convert4r3.src,v 1.1 2004/10/07 10:39:01 ph10 Exp $
   3
   4 # This is a Perl script that reads an Exim run-time configuration file and
   5 # checks for settings that were valid prior to release 3.00 but which were
   6 # obsoleted by that release. It writes a new file with suggested changes to
   7 # the standard output, and commentary about what it has done to stderr.
   8
   9 # It is assumed that the input is a valid Exim configuration file.
  10
  11
  12 ##################################################
  13 #             Analyse one line                   #
  14 ##################################################
  15
  16 # This is called for the main and the driver sections, not for retry
  17 # or rewrite sections (which are unmodified).
  18
  19 sub checkline{
  20 my($line) = $_[0];
  21
  22 return "comment" if $line =~ /^\s*(#|$)/;
  23 return "end"     if $line =~ /^\s*end\s*$/;
  24
  25 # Macros are recognized only in the first section of the file.
  26
  27 return "macro" if $prefix eq "" && $line =~ /^\s*[A-Z]/;
  28
  29 # Pick out the name at the start and the rest of the line (into global
  30 # variables) and return whether the start of a driver or not.
  31
  32 ($i1,$name,$i2,$rest) = $line =~ /^(\s*)([a-z0-9_]+)(\s*)(.*?)\s*$/;
  33 return ($rest =~ /^:/)? "driver" : "option";
  34 }
  35
  36
  37
  38
  39 ##################################################
  40 #       Add transport setting to a director      #
  41 ##################################################
  42
  43 # This function adds a transport setting to an aliasfile or forwardfile
  44 # director if a global setting exists and a local one does not. If neither
  45 # exist, it adds file/pipe/reply, but not the directory ones.
  46
  47 sub add_transport{
  48 my($option) = @_;
  49
  50 my($key) = "$prefix$driver.${option}_transport";
  51 if (!exists $o{$key})
  52   {
  53   if (exists $o{"address_${option}_transport"})
  54     {
  55     print STDOUT "# >> Option added by convert4r3\n";
  56     printf STDOUT "${i1}${option}_transport = %s\n",
  57       $o{"address_${option}_transport"};
  58     printf STDERR
  59       "\n%03d ${option}_transport added to $driver director.\n",
  60       ++$count;
  61     }
  62   else
  63     {
  64     if ($option eq "pipe" || $option eq "file" || $option eq "reply")
  65       {
  66       print STDOUT "# >> Option added by convert4r3\n";
  67       printf STDOUT "${i1}${option}_transport = address_${option}\n";
  68       printf STDERR
  69         "\n%03d ${option}_transport added to $driver director.\n",
  70         ++$count;
  71       }
  72     }
  73   }
  74 }
  75
  76
  77
  78
  79 ##################################################
  80 #       Negate a list of things                  #
  81 ##################################################
  82
  83 sub negate {
  84 my($list) = $_[0];
  85
  86 return $list if ! defined $list;
  87
  88 ($list) = $list =~ /^"?(.*?)"?\s*$/s;
  89
  90 # Under Perl 5.005 we can split very nicely at colons, ignoring double
  91 # colons, like this:
  92 #
  93 # @split = split /\s*(?<!:):(?!:)\s*(?:\\\s*)?/s, $list;
  94 #
  95 # However, we'd better make this work under Perl 5.004, since there is
  96 # a lot of that about.
  97
  98 $list =~ s/::/>%%%%</g;
  99 @split = split /\s*:\s*(?:\\\s*)?/s, $list;
 100 foreach $item (@split)
 101   {
 102   $item =~ s/>%%%%</::/g;
 103   }
 104
 105 $" = " : \\\n    ! ";
 106 return "! @split";
 107 }
 108
 109
 110
 111
 112
 113 ##################################################
 114 #          Skip blank lines                      #
 115 ##################################################
 116
 117 # This function is called after we have generated no output for an option;
 118 # it skips subsequent blank lines if the previous line was blank.
 119
 120 sub skipblanks {
 121 my($i) = $_[0];
 122 if ($last_was_blank)
 123   {
 124   $i++ while $c[$i+1] =~ /^\s*$/;
 125   }
 126 return $i;
 127 }
 128
 129
 130
 131
 132
 133 ##################################################
 134 #       Get base name of data key                #
 135 ##################################################
 136
 137 sub base {
 138 return "$_[0]" if $_[0] !~ /^(?:d|r|t)\.[^.]+\.(.*)/;
 139 return $1;
 140 }
 141
 142
 143
 144 ##################################################
 145 #     Amalgamate accept/reject/reject_except     #
 146 ##################################################
 147
 148 # This function amalgamates the three previous kinds of
 149 # option into a single list, using negation for the middle one if
 150 # the final argument is "+", or for the outer two if the final
 151 # argument is "-".
 152
 153 sub amalgamate {
 154 my($accept,$reject,$reject_except,$name);
 155 my($last_was_negated) = 0;
 156 my($join) = "";
 157
 158 $accept = $o{$_[0]};
 159 $reject = $o{$_[1]};
 160 $reject_except = $o{$_[2]};
 161 $name = $_[3];
 162
 163 if ($_[4] eq "+")
 164   {
 165   ($accept) = $accept =~ /^"?(.*?)"?\s*$/s if defined $accept;
 166   $reject = &negate($reject) if defined $reject;
 167   ($reject_except) = $reject_except =~ /^"?(.*?)"?\s*$/s if defined $reject_except;
 168   }
 169 else
 170   {
 171   $accept = &negate($accept) if defined $accept;
 172   ($reject) = $reject =~ /^"?(.*?)"?\s*$/s if defined $reject;
 173   $reject_except = &negate($reject_except) if defined $reject_except;
 174   }
 175
 176 print STDOUT "# >> Option rewritten by convert4r3\n";
 177 print STDOUT "${i1}$name = \"";
 178
 179 if (defined $reject_except)
 180   {
 181   print STDOUT "$reject_except";
 182   $join = " : \\\n    ";
 183   $last_was_negated = ($_[4] ne "+");
 184   }
 185 if (defined $reject)
 186   {
 187   print STDOUT "$join$reject";
 188   $join = " : \\\n    ";
 189   $last_was_negated = ($_[4] eq "+");
 190   }
 191 if (defined $accept)
 192   {
 193   print STDOUT "$join$accept";
 194   $last_was_negated = ($_[4] ne "+");
 195   $join = " : \\\n    ";
 196   }
 197
 198 print STDOUT "$join*" if $last_was_negated;
 199
 200 print STDOUT "\"\n";
 201
 202 my($driver_name);
 203 my($driver_type) = "";
 204
 205 if ($_[0] =~ /^(d|r|t)\.([^.]+)\./ ||
 206     $_[1] =~ /^(d|r|t)\.([^.]+)\./ ||
 207     $_[2] =~ /^(d|r|t)\.([^.]+)\./)
 208   {
 209   $driver_type = ($1 eq 'd')? "director" : ($1 eq 'r')? "router" : "transport";
 210   $driver_name = $2;
 211   }
 212
 213 my($x) = ($driver_type ne "")? " in \"$driver_name\" $driver_type" : "";
 214
 215 my($l0) = &base($_[0]);
 216 my($l1) = &base($_[1]);
 217 my($l2) = &base($_[2]);
 218
 219
 220 if ($l2 eq "")
 221   {
 222   if ($l0 eq "")
 223     {
 224     printf STDERR "\n%03d $l1 converted to $name$x.\n", ++$count;
 225     }
 226   else
 227     {
 228     printf STDERR "\n%03d $l0 and $l1\n    amalgamated into $name$x.\n",
 229       ++$count;
 230     }
 231   }
 232 else
 233   {
 234   if ($l1 eq "")
 235     {
 236     printf STDERR "\n%03d $l0 and $l2\n    amalgamated into $name$x.\n",
 237       ++$count;
 238     }
 239   else
 240     {
 241     printf STDERR "\n%03d $l0, $l1 and $l2\n    amalgamated into " .
 242       "$name$x.\n", ++$count;
 243     }
 244   }
 245 }
 246
 247
 248
 249
 250 ##################################################
 251 #         Join two lists, if they exist          #
 252 ##################################################
 253
 254 sub pair{
 255 my($l1) = $o{"$_[0]"};
 256 my($l2) = $o{"$_[1]"};
 257
 258 return $l2 if (!defined $l1);
 259 return $l1 if (!defined $l2);
 260
 261 ($l1) = $l1 =~ /^"?(.*?)"?\s*$/s;
 262 ($l2) = $l2 =~ /^"?(.*?)"?\s*$/s;
 263
 264 return "$l1 : $l2";
 265 }
 266
 267
 268
 269
 270 ##################################################
 271 #  Amalgamate accept/reject/reject_except pairs  #
 272 ##################################################
 273
 274 # This is like amalgamate, but it combines pairs of arguments, and
 275 # doesn't output commentary (easier to write a generic one for the few
 276 # cases).
 277
 278 sub amalgamatepairs {
 279 my($accept) = &pair($_[0], $_[1]);
 280 my($reject) = &pair($_[2], $_[3]);
 281 my($reject_except) = &pair($_[4], $_[5]);
 282 my($last_was_negated) = 0;
 283 my($join) = "";
 284
 285 if ($_[7] eq "+")
 286   {
 287   ($accept) = $accept =~ /^"?(.*?)"?\s*$/s if defined $accept;
 288   $reject = &negate($reject) if defined $reject;
 289   ($reject_except) = $reject_except =~ /^"?(.*?)"?\s*$/s if defined $reject_except;
 290   }
 291 else
 292   {
 293   $accept = &negate($accept) if defined $accept;
 294   ($reject) = $reject =~ /^"?(.*?)"?$/s if defined $reject;
 295   $reject_except = &negate($reject_except) if defined $reject_except;
 296   }
 297
 298 print STDOUT "# >> Option rewritten by convert4r3\n";
 299 print STDOUT "${i1}$_[6] = \"";
 300
 301 if (defined $reject_except)
 302   {
 303   print STDOUT "$reject_except";
 304   $join = " : \\\n    ";
 305   $last_was_negated = ($_[7] ne "+");
 306   }
 307 if (defined $reject)
 308   {
 309   print STDOUT "$join$reject";
 310   $join = " : \\\n    ";
 311   $last_was_negated = ($_[7] eq "+");
 312   }
 313 if (defined $accept)
 314   {
 315   print STDOUT "$join$accept";
 316   $last_was_negated = ($_[7] ne "+");
 317   $join = " : \\\n    ";
 318   }
 319
 320 print STDOUT "$join*" if $last_was_negated;
 321 print STDOUT "\"\n";
 322 }
 323
 324
 325
 326 ##################################################
 327 #      Amalgamate boolean and exception list(s)  #
 328 ##################################################
 329
 330 sub amalgboolandlist {
 331 my($name,$bool,$e1,$e2) = @_;
 332
 333 print STDOUT "# >> Option rewritten by convert4r3\n";
 334 if ($bool eq "false")
 335   {
 336   printf STDOUT "$i1$name =\n";
 337   }
 338 else
 339   {
 340   printf STDOUT "$i1$name = ";
 341   my($n1) = &negate($o{$e1});
 342   my($n2) = &negate($o{$e2});
 343   if (!defined $n1 && !defined $n2)
 344     {
 345     print STDOUT "*\n";
 346     }
 347   elsif (!defined $n1)
 348     {
 349     print STDOUT "\"$n2 : \\\n    *\"\n";
 350     }
 351   elsif (!defined $n2)
 352     {
 353     print STDOUT "\"$n1 : \\\n    *\"\n";
 354     }
 355   else
 356     {
 357     print STDOUT "\"$n1 : \\\n    $n2 : \\\n    *\"\n";
 358     }
 359   }
 360 }
 361
 362
 363
 364 ##################################################
 365 #             Convert mask format                #
 366 ##################################################
 367
 368 # This function converts an address and mask in old-fashioned dotted-quad
 369 # format into an address plus a new format mask.
 370
 371 @byte_list = (0, 128, 192, 224, 240, 248, 252, 254, 255);
 372
 373 sub mask {
 374 my($address,$mask) = @_;
 375 my($length) = 0;
 376 my($i, $j);
 377
 378 my(@bytes) = split /\./, $mask;
 379
 380 for ($i = 0; $i < 4; $i++)
 381   {
 382   for ($j = 0; $j <= 8; $j++)
 383     {
 384     if ($bytes[$i] == $byte_list[$j])
 385       {
 386       $length += $j;
 387       if ($j != 8)
 388         {
 389         for ($i++; $i < 4; $i++)
 390           {
 391           $j = 9 if ($bytes[$i] != 0);
 392           }
 393         }
 394       last;
 395       }
 396     }
 397
 398   if ($j > 8)
 399     {
 400     print STDERR "*** IP mask $mask cannot be converted to /n format. ***\n";
 401     return "$address/$mask";
 402     }
 403   }
 404
 405 if (!defined $masks{$mask})
 406   {
 407   printf STDERR "\n%03d IP address mask $mask converted to /$length\n",
 408     ++$count, $mask, $length;
 409   $masks{$mask} = 1;
 410   }
 411
 412 return sprintf "$address/%d", $length;
 413 }
 414
 415
 416
 417
 418
 419 ##################################################
 420 #                  Main program                  #
 421 ##################################################
 422
 423 print STDERR "Exim pre-release 3.00 configuration file converter.\n";
 424
 425 $count = 0;
 426 $seen_helo_accept_junk = 0;
 427 $seen_hold_domains = 0;
 428 $seen_receiver_unqualified = 0;
 429 $seen_receiver_verify_except = 0;
 430 $seen_receiver_verify_senders = 0;
 431 $seen_rfc1413_except = 0;
 432 $seen_sender_accept = 0;
 433 $seen_sender_accept_recipients = 0;
 434 $seen_sender_host_accept = 0;
 435 $seen_sender_host_accept_recipients = 0;
 436 $seen_sender_host_accept_relay = 0;
 437 $seen_sender_unqualified = 0;
 438 $seen_sender_verify_except_hosts = 0;
 439 $seen_smtp_etrn = 0;
 440 $seen_smtp_expn = 0;
 441 $seen_smtp_reserve = 0;
 442 $semicomma = 0;
 443
 444 # Read the entire file into an array
 445
 446 chomp(@c = <STDIN>);
 447
 448 # First, go through the input and covert any net masks in the old dotted-quad
 449 # style into the new /n style.
 450
 451 for ($i = 0; $i < scalar(@c); $i++)
 452   {
 453   $c[$i] =~
 454     s"((?:\d{1,3}\.){3}\d{1,3})/((?:\d{1,3}\.){3}\d{1,3})"&mask($1,$2)"eg;
 455   }
 456
 457 # We now make two more passes over the input. In the first pass, we place all
 458 # the option values into an associative array. Main options are keyed by their
 459 # names; options for drivers are keyed by a driver type letter, the driver
 460 # name, and the option name, dot-separated. In the second pass we modify
 461 # the options if necessary, and write the output file.
 462
 463 for ($pass = 1; $pass < 3; $pass++)
 464   {
 465   $prefix = "";
 466   $driver = "";
 467   $last_was_blank = 0;
 468
 469   for ($i = 0; $i < scalar(@c); $i++)
 470     {
 471     # Everything after the router section is just copied in pass 2 and
 472     # ignored in pass 1.
 473
 474     if ($prefix eq "end")
 475       {
 476       print STDOUT "$c[$i]\n" if $pass == 2;
 477       next;
 478       }
 479
 480     # Analyze the line
 481
 482     $type = &checkline($c[$i]);
 483
 484     # Skip comments in pass 1; copy in pass 2
 485
 486     if ($type eq "comment")
 487       {
 488       $last_was_blank = ($c[$i] =~ /^\s*$/)? 1 : 0;
 489       print STDOUT "$c[$i]\n" if $pass == 2;
 490       next;
 491       }
 492
 493     # Skip/copy macro definitions, but must handle continuations
 494
 495     if ($type eq "macro")
 496       {
 497       print STDOUT "$c[$i]\n" if $pass == 2;
 498       while ($c[$i] =~ /\\\s*$/)
 499         {
 500         $i++;
 501         print STDOUT "$c[$i]\n" if $pass == 2;
 502         }
 503       $last_was_blank = 0;
 504       next;
 505       }
 506
 507     # Handle end of section
 508
 509     if ($type eq "end")
 510       {
 511       $prefix = "end"if $prefix eq "r.";
 512       $prefix = "r." if $prefix eq "d.";
 513       $prefix = "d." if $prefix eq "t.";
 514       $prefix = "t." if $prefix eq "";
 515       print STDOUT "$c[$i]\n" if $pass == 2;
 516       $last_was_blank = 0;
 517       next;
 518       }
 519
 520     # Handle start of a new driver
 521
 522     if ($type eq "driver")
 523       {
 524       $driver = $name;
 525       print STDOUT "$c[$i]\n" if $pass == 2;
 526       $last_was_blank = 0;
 527       $seen_domains = 0;
 528       $seen_local_parts = 0;
 529       $seen_senders = 0;
 530       $seen_mx_domains = 0;
 531       $seen_serialize = 0;
 532       next;
 533       }
 534
 535     # Handle definition of an option
 536
 537     if ($type eq "option")
 538       {
 539       # Handle continued strings
 540
 541       if ($rest =~ /^=\s*".*\\$/)
 542         {
 543         for (;;)
 544           {
 545           $rest .= "\n$c[++$i]";
 546           last unless $c[$i] =~ /(\\\s*$|^\s*#)/;
 547           }
 548         }
 549
 550       # Remove any terminating commas and semicolons in pass 2
 551
 552       if ($pass == 2 && $rest =~ /[;,]\s*$/)
 553         {
 554         $rest =~ s/\s*[;,]\s*$//;
 555         if (!$semicomma)
 556           {
 557           printf STDERR
 558             "\n%03d Terminating semicolons and commas removed from driver " .
 559             "options.\n", ++$count;
 560           $semicomma = 1;
 561           }
 562         }
 563
 564       # Convert all booleans to "x = true/false" format, but save the
 565       # original so that it can be reproduced unchanged for options that
 566       # are not of interest.
 567
 568       $origname = $name;
 569       $origrest = $rest;
 570
 571       if ($name =~ /^not?_(.*)/)
 572         {
 573         $name = $1;
 574         $rest = "= false";
 575         }
 576       elsif ($rest !~ /^=/)
 577         {
 578         $rest = "= true";
 579         }
 580
 581       # Set up the associative array key, and get rid of the = on the data
 582
 583       $key = ($prefix eq "")? "$name" : "$prefix$driver.$name";
 584       ($rest) = $rest =~ /^=\s*(.*)/s;
 585
 586       # Create the associative array of values in pass 1
 587
 588       if ($pass == 1)
 589         {
 590         $o{$key} = $rest;
 591         }
 592
 593       # In pass 2, test for interesting options and do the necessary; copy
 594       # all the rest.
 595
 596       else
 597         {
 598         ##########  Global configuration ##########
 599
 600         # These global options are abolished
 601
 602         if ($name eq "address_directory_transport" ||
 603             $name eq "address_directory2_transport" ||
 604             $name eq "address_file_transport" ||
 605             $name eq "address_pipe_transport" ||
 606             $name eq "address_reply_transport")
 607           {
 608           ($n2) = $name =~ /^address_(.*)/;
 609           printf STDERR "\n%03d $name option deleted.\n", ++$count;
 610           printf STDERR "    $n2 will be added to appropriate directors.\n";
 611           $i = &skipblanks($i);
 612           next;
 613           }
 614
 615         # This debugging option is abolished
 616
 617         elsif ($name eq "sender_verify_log_details")
 618           {
 619           printf STDERR "\n%03d $name option deleted.\n", ++$count;
 620           printf STDERR "    (Little used facility abolished.)\n";
 621           }
 622
 623         # This option has been renamed
 624
 625         elsif ($name eq "check_dns_names")
 626           {
 627           $origname =~ s/check_dns/dns_check/;
 628           print STDOUT "# >> Option rewritten by convert4r3\n";
 629           print STDOUT "$i1$origname$i2$origrest\n";
 630           printf STDERR "\n%03d check_dns_names renamed as dns_check_names.\n",
 631             ++$count;
 632           }
 633
 634         # helo_accept_junk_nets is abolished
 635
 636         elsif ($name eq "helo_accept_junk_nets" ||
 637                $name eq "helo_accept_junk_hosts")
 638           {
 639           if (!$seen_helo_accept_junk)
 640             {
 641             &amalgamate("helo_accept_junk_nets", "",
 642               "helo_accept_junk_hosts", "helo_accept_junk_hosts", "+");
 643             $seen_helo_accept_junk = 1;
 644             }
 645           else
 646             {
 647             $i = &skipblanks($i);
 648             next;
 649             }
 650           }
 651
 652         # helo_verify_except_{hosts,nets} are abolished, and helo_verify
 653         # is now a host list instead of a boolean.
 654
 655         elsif ($name eq "helo_verify")
 656           {
 657           &amalgboolandlist("helo_verify", $rest, "helo_verify_except_hosts",
 658             "helo_verify_except_nets");
 659           printf STDERR "\n%03d helo_verify converted to host list.\n",
 660             ++$count;
 661           }
 662         elsif ($name eq "helo_verify_except_hosts" ||
 663                $name eq "helo_verify_except_nets")
 664           {
 665           $i = &skipblanks($i);
 666           next;
 667           }
 668
 669         # helo_verify_nets was an old synonym for host_lookup_nets; only
 670         # one of them will be encountered. Change to a new name.
 671
 672         elsif ($name eq "helo_verify_nets" ||
 673                $name eq "host_lookup_nets")
 674           {
 675           print STDOUT "# >> Option rewritten by convert4r3\n";
 676           print STDOUT "${i1}host_lookup$i2$origrest\n";
 677           printf STDERR "\n%03d $name renamed as host_lookup.\n", ++$count;
 678           }
 679
 680         # hold_domains_except is abolished; add as negated items to
 681         # hold_domains.
 682
 683         elsif ($name eq "hold_domains_except" ||
 684                $name eq "hold_domains")
 685           {
 686           if ($seen_hold_domains)         # If already done with these
 687             {                             # omit, and following blanks.
 688             $i = &skipblanks($i);
 689             next;
 690             }
 691           $seen_hold_domains = 1;
 692
 693           if (exists $o{"hold_domains_except"})
 694             {
 695             &amalgamate("hold_domains", "hold_domains_except", "",
 696               "hold_domains", "+");
 697             }
 698           else
 699             {
 700             print STDOUT "$i1$origname$i2$origrest\n";
 701             }
 702           }
 703
 704         # ignore_fromline_nets is renamed as ignore_fromline_hosts
 705
 706         elsif ($name eq "ignore_fromline_nets")
 707           {
 708           $origname =~ s/_nets/_hosts/;
 709           print STDOUT "# >> Option rewritten by convert4r3\n";
 710           print STDOUT "$i1$origname$i2$origrest\n";
 711           printf STDERR
 712             "\n%03d ignore_fromline_nets renamed as ignore_fromline_hosts.\n",
 713             ++$count;
 714           }
 715
 716         # Output a warning for message filters with no transports set
 717
 718         elsif ($name eq "message_filter")
 719           {
 720           print STDOUT "$i1$origname$i2$origrest\n";
 721
 722           if (!exists $o{"message_filter_directory_transport"} &&
 723               !exists $o{"message_filter_directory2_transport"} &&
 724               !exists $o{"message_filter_file_transport"} &&
 725               !exists $o{"message_filter_pipe_transport"} &&
 726               !exists $o{"message_filter_reply_transport"})
 727             {
 728             printf STDERR
 729               "\n%03d message_filter is set, but no message_filter transports "
 730               . "are defined.\n"
 731               . "    If your filter generates file or pipe deliveries, or "
 732               . "auto-replies,\n"
 733               . "    you will need to define "
 734               . "message_filter_{file,pipe,reply}_transport\n"
 735               . "    options, as required.\n", ++$count;
 736             }
 737           }
 738
 739         # queue_remote_except is abolished, and queue_remote is replaced by
 740         # queue_remote_domains, which is a host list.
 741
 742         elsif ($name eq "queue_remote")
 743           {
 744           &amalgboolandlist("queue_remote_domains", $rest,
 745             "queue_remote_except", "");
 746           printf STDERR
 747             "\n%03d queue_remote converted to domain list queue_remote_domains.\n",
 748             ++$count;
 749           }
 750         elsif ($name eq "queue_remote_except")
 751           {
 752           $i = &skipblanks($i);
 753           next;
 754           }
 755
 756         # queue_smtp_except is abolished, and queue_smtp is replaced by
 757         # queue_smtp_domains, which is a host list.
 758
 759         elsif ($name eq "queue_smtp")
 760           {
 761           &amalgboolandlist("queue_smtp_domains", $rest,
 762             "queue_smtp_except", "");
 763           printf STDERR
 764             "\n%03d queue_smtp converted to domain list queue_smtp_domains.\n",
 765             ++$count;
 766           }
 767         elsif ($name eq "queue_smtp_except")
 768           {
 769           $i = &skipblanks($i);
 770           next;
 771           }
 772
 773         # rbl_except_nets is replaced by rbl_hosts
 774
 775         elsif ($name eq "rbl_except_nets")
 776           {
 777           &amalgamate("", "rbl_except_nets", "", "rbl_hosts", "+");
 778           }
 779
 780         # receiver_unqualified_nets is abolished
 781
 782         elsif ($name eq "receiver_unqualified_nets" ||
 783                $name eq "receiver_unqualified_hosts")
 784           {
 785           if (!$seen_receiver_unqualified)
 786             {
 787             &amalgamate("receiver_unqualified_nets", "",
 788               "receiver_unqualified_hosts", "receiver_unqualified_hosts", "+");
 789             $seen_receiver_unqualified = 1;
 790             }
 791           else
 792             {
 793             $i = &skipblanks($i);
 794             next;
 795             }
 796           }
 797
 798         # receiver_verify_except_{hosts,nets} are replaced by
 799         # receiver_verify_hosts.
 800
 801         elsif ($name eq "receiver_verify_except_hosts" ||
 802                $name eq "receiver_verify_except_nets")
 803           {
 804           if (!$seen_receiver_verify_except)
 805             {
 806             &amalgboolandlist("receiver_verify_hosts", "true",
 807               "receiver_verify_except_hosts", "receiver_verify_except_nets");
 808             printf STDERR
 809               "\n%03d receiver_verify_except_{hosts,nets} converted to " .
 810               "receiver_verify_hosts.\n",
 811               ++$count;
 812             $seen_receiver_verify_except = 1;
 813             }
 814           else
 815             {
 816             $i = &skipblanks($i);
 817             next;
 818             }
 819           }
 820
 821         # receiver_verify_senders_except is abolished
 822
 823         elsif ($name eq "receiver_verify_senders" ||
 824                $name eq "receiver_verify_senders_except")
 825           {
 826           if (defined $o{"receiver_verify_senders_except"})
 827             {
 828             if (!$seen_receiver_verify_senders)
 829               {
 830               &amalgamate("receiver_verify_senders",
 831                 "receiver_verify_senders_except", "",
 832                 "receiver_verify_senders", "+");
 833               $seen_receiver_verify_senders = 1;
 834               }
 835             else
 836               {
 837               $i = &skipblanks($i);
 838               next;
 839               }
 840             }
 841           else
 842             {
 843             print STDOUT "$i1$origname$i2$origrest\n";
 844             }
 845           }
 846
 847         # rfc1413_except_{hosts,nets} are replaced by rfc1413_hosts.
 848
 849         elsif ($name eq "rfc1413_except_hosts" ||
 850                $name eq "rfc1413_except_nets")
 851           {
 852           if (!$seen_rfc1413_except)
 853             {
 854             &amalgboolandlist("rfc1413_hosts", "true",
 855               "rfc1413_except_hosts", "rfc1413_except_nets");
 856             printf STDERR
 857               "\n%03d rfc1413_except_{hosts,nets} converted to rfc1413_hosts.\n",
 858               ++$count;
 859             $seen_rfc1413_except = 1;
 860             }
 861           else
 862             {
 863             $i = &skipblanks($i);
 864             next;
 865             }
 866           }
 867
 868         # sender_accept and sender_reject_except are abolished
 869
 870         elsif ($name eq "sender_accept" ||
 871                $name eq "sender_reject")
 872           {
 873           if (!$seen_sender_accept)
 874             {
 875             &amalgamate("sender_accept", "sender_reject",
 876               "sender_reject_except", "sender_reject", "-");
 877             $seen_sender_accept = 1;
 878             }
 879           else
 880             {
 881             $i = &skipblanks($i);
 882             next;
 883             }
 884           }
 885
 886         # sender_accept_recipients is also abolished; sender_reject_except
 887         # also used to apply to this, so we include it here as well.
 888
 889         elsif ($name eq "sender_accept_recipients" ||
 890                $name eq "sender_reject_recipients")
 891           {
 892           if (!$seen_sender_accept_recipients)
 893             {
 894             &amalgamate("sender_accept_recipients", "sender_reject_recipients",
 895               "sender_reject_except", "sender_reject_recipients", "-");
 896             $seen_sender_accept_recipients = 1;
 897             }
 898           else
 899             {
 900             $i = &skipblanks($i);
 901             next;
 902             }
 903           }
 904
 905         # sender_reject_except must be removed
 906
 907         elsif ($name eq "sender_reject_except")
 908           {
 909           $i = &skipblanks($i);
 910           next;
 911           }
 912
 913         # sender_{host,net}_{accept,reject}[_except] all collapse into
 914         # host_reject.
 915
 916         elsif ($name eq "sender_host_accept" ||
 917                $name eq "sender_net_accept" ||
 918                $name eq "sender_host_reject" ||
 919                $name eq "sender_net_reject")
 920           {
 921           if (!$seen_sender_host_accept)
 922             {
 923             &amalgamatepairs("sender_host_accept", "sender_net_accept",
 924               "sender_host_reject", "sender_net_reject",
 925               "sender_host_reject_except", "sender_net_reject_except",
 926               "host_reject", "-");
 927             printf STDERR "\n%03d sender_{host,net}_{accept,reject} and " .
 928               "sender_{host_net}_reject_except\n" .
 929               "    amalgamated into host_reject.\n", ++$count;
 930             $seen_sender_host_accept = 1;
 931             }
 932           else
 933             {
 934             $i = &skipblanks($i);
 935             next;
 936             }
 937           }
 938
 939         # sender_{host,net}_{accept,reject}_recipients all collapse into
 940         # host_reject_recipients.
 941
 942         elsif ($name eq "sender_host_accept_recipients" ||
 943                $name eq "sender_net_accept_recipients" ||
 944                $name eq "sender_host_reject_recipients" ||
 945                $name eq "sender_net_reject_recipients")
 946           {
 947           if (!$seen_sender_host_accept_recipients)
 948             {
 949             &amalgamatepairs("sender_host_accept_recipients",
 950               "sender_net_accept_recipients",
 951               "sender_host_reject_recipients",
 952               "sender_net_reject_recipients",
 953               "sender_host_reject_except", "sender_net_reject_except",
 954               "host_reject_recipients", "-");
 955             printf STDERR "\n%03d sender_{host,net}_{accept,reject}_recipients"
 956               . "\n    and sender_{host_net}_reject_except"
 957               . "\n    amalgamated into host_reject_recipients.\n", ++$count;
 958             $seen_sender_host_accept_recipients = 1;
 959             }
 960           else
 961             {
 962             $i = &skipblanks($i);
 963             next;
 964             }
 965           }
 966
 967         # sender_{host,net}_reject_except must be removed
 968
 969         elsif ($name eq "sender_host_reject_except" ||
 970                $name eq "sender_net_reject_except")
 971           {
 972           $i = &skipblanks($i);
 973           next;
 974           }
 975
 976         # sender_{host,net}_{accept,reject}_relay all collapse into
 977         # host_accept_relay.
 978
 979         elsif ($name eq "sender_host_accept_relay" ||
 980                $name eq "sender_net_accept_relay" ||
 981                $name eq "sender_host_reject_relay" ||
 982                $name eq "sender_net_reject_relay")
 983           {
 984           if (!$seen_sender_host_accept_relay)
 985             {
 986             &amalgamatepairs("sender_host_accept_relay",
 987               "sender_net_accept_relay",
 988               "sender_host_reject_relay",
 989               "sender_net_reject_relay",
 990               "sender_host_reject_relay_except",
 991               "sender_net_reject_relay_except",
 992               "host_accept_relay", "+");
 993             printf STDERR "\n%03d sender_{host,net}_{accept,reject}_relay"
 994               . "\n    and sender_{host_net}_reject_relay_except"
 995               . "\n    amalgamated into host_accept_relay.\n", ++$count;
 996             $seen_sender_host_accept_relay = 1;
 997             }
 998           else
 999             {
1000             $i = &skipblanks($i);
1001             next;
1002             }
1003           }
1004
1005         # sender_{host,net}_reject_relay_except must be removed
1006
1007         elsif ($name eq "sender_host_reject_relay_except" ||
1008                $name eq "sender_net_reject_relay_except")
1009           {
1010           $i = &skipblanks($i);
1011           next;
1012           }
1013
1014
1015         # sender_unqualified_nets is abolished
1016
1017         elsif ($name eq "sender_unqualified_nets" ||
1018                $name eq "sender_unqualified_hosts")
1019           {
1020           if (!$seen_sender_unqualified)
1021             {
1022             &amalgamate("sender_unqualified_nets", "",
1023               "sender_unqualified_hosts", "sender_unqualified_hosts", "+");
1024             $seen_sender_unqualified = 1;
1025             }
1026           else
1027             {
1028             $i = &skipblanks($i);
1029             next;
1030             }
1031           }
1032
1033         # sender_verify_except_{hosts,nets} are replaced by sender_verify_hosts.
1034
1035         elsif ($name eq "sender_verify_except_hosts" ||
1036                $name eq "sender_verify_except_nets")
1037           {
1038           if (!$seen_sender_verify_except_hosts)
1039             {
1040             &amalgboolandlist("sender_verify_hosts", "true",
1041               "sender_verify_except_hosts", "sender_verify_except_nets");
1042             printf STDERR
1043               "\n%03d sender_verify_except_{hosts,nets} converted to " .
1044               "sender_verify_hosts.\n",
1045               ++$count;
1046             $seen_sender_verify_except_hosts = 1;
1047             }
1048           else
1049             {
1050             $i = &skipblanks($i);
1051             next;
1052             }
1053           }
1054
1055         # smtp_etrn_nets is abolished
1056
1057         elsif ($name eq "smtp_etrn_nets" ||
1058                $name eq "smtp_etrn_hosts")
1059           {
1060           if (!$seen_smtp_etrn)
1061             {
1062             &amalgamate("smtp_etrn_nets", "",
1063               "smtp_etrn_hosts", "smtp_etrn_hosts", "+");
1064             $seen_smtp_etrn = 1;
1065             }
1066           else
1067             {
1068             $i = &skipblanks($i);
1069             next;
1070             }
1071           }
1072
1073         # smtp_expn_nets is abolished
1074
1075         elsif ($name eq "smtp_expn_nets" ||
1076                $name eq "smtp_expn_hosts")
1077           {
1078           if (!$seen_smtp_expn)
1079             {
1080             &amalgamate("smtp_expn_nets", "",
1081               "smtp_expn_hosts", "smtp_expn_hosts", "+");
1082             $seen_smtp_expn = 1;
1083             }
1084           else
1085             {
1086             $i = &skipblanks($i);
1087             next;
1088             }
1089           }
1090
1091         # This option has been renamed
1092
1093         elsif ($name eq "smtp_log_connections")
1094           {
1095           $origname =~ s/smtp_log/log_smtp/;
1096           print STDOUT "# >> Option rewritten by convert4r3\n";
1097           print STDOUT "$i1$origname$i2$origrest\n";
1098           printf STDERR "\n%03d smtp_log_connections renamed as " .
1099             "log_smtp_connections.\n",
1100             ++$count;
1101           }
1102
1103         # smtp_reserve_nets is abolished
1104
1105         elsif ($name eq "smtp_reserve_nets" ||
1106                $name eq "smtp_reserve_hosts")
1107           {
1108           if (!$seen_smtp_reserve)
1109             {
1110             &amalgamate("smtp_reserve_nets", "",
1111               "smtp_reserve_hosts", "smtp_reserve_hosts", "+");
1112             $seen_smtp_reserve = 1;
1113             }
1114           else
1115             {
1116             $i = &skipblanks($i);
1117             next;
1118             }
1119           }
1120
1121         ###########  Driver configurations  ##########
1122
1123         # For aliasfile and forwardfile directors, add file, pipe, and
1124         # reply transports - copying from the globals if they are set.
1125
1126         elsif ($name eq "driver")
1127           {
1128           $driver_type = $rest;
1129           print STDOUT "$i1$origname$i2$origrest\n";
1130           if ($rest eq "aliasfile" || $rest eq "forwardfile")
1131             {
1132             &add_transport("directory");
1133             &add_transport("directory2");
1134             &add_transport("file");
1135             &add_transport("pipe");
1136             &add_transport("reply") if $rest eq "forwardfile";
1137             }
1138           }
1139
1140         # except_domains is abolished; add as negated items to domains.
1141
1142         elsif ($name eq "except_domains" ||
1143                $name eq "domains")
1144           {
1145           if ($seen_domains)              # If already done with these
1146             {                             # omit, and following blanks.
1147             $i = &skipblanks($i);
1148             next;
1149             }
1150           $seen_domains = 1;
1151
1152           if (exists $o{"$prefix$driver.except_domains"})
1153             {
1154             &amalgamate("$prefix$driver.domains",
1155                          "$prefix$driver.except_domains", "",
1156               "domains", "+");
1157             }
1158           else
1159             {
1160             print STDOUT "$i1$origname$i2$origrest\n";
1161             }
1162           }
1163
1164         # except_local_parts is abolished; add as negated items to
1165         # local_parts.
1166
1167         elsif ($name eq "except_local_parts" ||
1168                $name eq "local_parts")
1169           {
1170           if ($seen_local_parts)              # If already done with these
1171             {                             # omit, and following blanks.
1172             $i = &skipblanks($i);
1173             next;
1174             }
1175           $seen_local_parts = 1;
1176
1177           if (exists $o{"$prefix$driver.except_local_parts"})
1178             {
1179             &amalgamate("$prefix$driver.local_parts",
1180                          "$prefix$driver.except_local_parts", "",
1181               "local_parts", "+");
1182             }
1183           else
1184             {
1185             print STDOUT "$i1$origname$i2$origrest\n";
1186             }
1187           }
1188
1189         # except_senders is abolished; add as negated items to senders
1190
1191         elsif ($name eq "except_senders" ||
1192                $name eq "senders")
1193           {
1194           if ($seen_senders)              # If already done with these
1195             {                             # omit, and following blanks.
1196             $i = &skipblanks($i);
1197             next;
1198             }
1199           $seen_senders = 1;
1200
1201           if (exists $o{"$prefix$driver.except_senders"})
1202             {
1203             &amalgamate("$prefix$driver.senders",
1204                          "$prefix$driver.except_senders", "",
1205               "senders", "+");
1206             }
1207           else
1208             {
1209             print STDOUT "$i1$origname$i2$origrest\n";
1210             }
1211           }
1212
1213         # This option has been renamed
1214
1215         elsif ($name eq "directory" && $driver_type eq "aliasfile")
1216           {
1217           $origname =~ s/directory/home_directory/;
1218           print STDOUT "# >> Option rewritten by convert4r3\n";
1219           print STDOUT "$i1$origname$i2$origrest\n";
1220           printf STDERR "\n%03d directory renamed as " .
1221             "home_directory in \"$driver\" director.\n",
1222             ++$count;
1223           }
1224
1225         # This option has been renamed
1226
1227         elsif ($name eq "directory" && $driver_type eq "forwardfile")
1228           {
1229           $origname =~ s/directory/file_directory/;
1230           print STDOUT "# >> Option rewritten by convert4r3\n";
1231           print STDOUT "$i1$origname$i2$origrest\n";
1232           printf STDERR "\n%03d directory renamed as " .
1233             "file_directory in \"$driver\" director.\n",
1234             ++$count;
1235           }
1236
1237         # This option has been renamed
1238
1239         elsif ($name eq "forbid_filter_log" && $driver_type eq "forwardfile")
1240           {
1241           $origname =~ s/log/logwrite/;
1242           print STDOUT "# >> Option rewritten by convert4r3\n";
1243           print STDOUT "$i1$origname$i2$origrest\n";
1244           printf STDERR "\n%03d forbid_filter_log renamed as " .
1245             "forbid_filter_logwrite in \"$driver\" director.\n",
1246             ++$count;
1247           }
1248
1249         # This option has been renamed
1250
1251         elsif ($name eq "directory" && $driver_type eq "localuser")
1252           {
1253           $origname =~ s/directory/match_directory/;
1254           print STDOUT "# >> Option rewritten by convert4r3\n";
1255           print STDOUT "$i1$origname$i2$origrest\n";
1256           printf STDERR "\n%03d directory renamed as " .
1257             "match_directory in \"$driver\" director.\n",
1258             ++$count;
1259           }
1260
1261         # mx_domains_except (and old synonym non_mx_domains) are abolished
1262         # (both lookuphost router and smtp transport)
1263
1264         elsif ($name eq "mx_domains" ||
1265                $name eq "mx_domains_except" ||
1266                $name eq "non_mx_domains")
1267           {
1268           if ($seen_mx_domains)              # If already done with these
1269             {                             # omit, and following blanks.
1270             $i = &skipblanks($i);
1271             next;
1272             }
1273           $seen_mx_domains = 1;
1274
1275           if (exists $o{"$prefix$driver.mx_domains_except"} ||
1276               exists $o{"$prefix$driver.non_mx_domains"})
1277             {
1278             $o{"$prefix$driver.mx_domains_except"} =
1279               &pair("$prefix$driver.mx_domains_except",
1280                     "$prefix$driver.non_mx_domains");
1281
1282             &amalgamate("$prefix$driver.mx_domains",
1283                         "$prefix$driver.mx_domains_except", "",
1284               "mx_domains", "+");
1285             }
1286           else
1287             {
1288             print STDOUT "$i1$origname$i2$origrest\n";
1289             }
1290           }
1291
1292         # This option has been renamed
1293
1294         elsif ($name eq "directory" && $driver_type eq "pipe")
1295           {
1296           $origname =~ s/directory/home_directory/;
1297           print STDOUT "# >> Option rewritten by convert4r3\n";
1298           print STDOUT "$i1$origname$i2$origrest\n";
1299           printf STDERR "\n%03d directory renamed as " .
1300             "home_directory in \"$driver\" director.\n",
1301             ++$count;
1302           }
1303
1304         # serialize_nets is abolished
1305
1306         elsif ($name eq "serialize_nets" ||
1307                $name eq "serialize_hosts")
1308           {
1309           if (!$seen_serialize)
1310             {
1311             &amalgamate("$prefix$driver.serialize_nets", "",
1312               "$prefix$driver.serialize_hosts", "serialize_hosts", "+");
1313             $seen_serialize = 1;
1314             }
1315           else
1316             {
1317             $i = &skipblanks($i);
1318             next;
1319             }
1320           }
1321
1322
1323         # Option not of interest; reproduce verbatim
1324
1325         else
1326           {
1327           print STDOUT "$i1$origname$i2$origrest\n";
1328           }
1329
1330
1331         $last_was_blank = 0;
1332         }
1333       }
1334     }
1335
1336   }
1337
1338 # Debugging: show the associative array
1339 # foreach $key (sort keys %o) { print STDERR "$key = $o{$key}\n"; }
1340
1341 print STDERR "\nEnd of configuration file conversion.\n";
1342 print STDERR "\n*******************************************************\n";
1343 print STDERR   "***** Please review the generated file carefully. *****\n";
1344 print STDERR   "*******************************************************\n\n";
1345
1346 print STDERR "In particular:\n\n";
1347
1348 print STDERR "(1) If you use regular expressions in any options that have\n";
1349 print STDERR "    been rewritten by this script, they might have been put\n";
1350 print STDERR "    inside quotes, when then were not previously quoted. This\n";
1351 print STDERR "    means that any backslashes in them must now be escaped.\n\n";
1352
1353 print STDERR "(2) If your configuration refers to any external files that\n";
1354 print STDERR "    contain lists of network addresses, check that the masks\n";
1355 print STDERR "    are specified as single numbers, e.g. /24 and NOT as dotted\n";
1356 print STDERR "    quads (e.g. 255.255.255.0) because Exim release 3.00 does\n";
1357 print STDERR "    not recognize the dotted quad form.\n\n";
1358
1359 print STDERR "(3) If your configuration uses macros for lists of domains or\n";
1360 print STDERR "    hosts or addresses, check to see if any of the references\n";
1361 print STDERR "    have been negated. If so, you will have to rework things,\n";
1362 print STDERR "    because the negation will apply only to the first item in\n";
1363 print STDERR "    the macro-generated list.\n\n";
1364
1365 print STDERR "(4) If you do not generate deliveries to pipes, files, or\n";
1366 print STDERR "    auto-replies in your aliasfile and forwardfile directors,\n";
1367 print STDERR "    you can remove the added transport settings.\n\n";
1368
1369 # End of convert4r3