config/amavisd/amavisd.conf

   1 use strict;
   2
   3 # a minimalistic configuration file for amavisd-new with all necessary settings
   4 #
   5 #   see amavisd.conf-default for a list of all variables with their defaults;
   6 #   see amavisd.conf-sample for a traditional-style commented file;
   7 #   for more details see documentation in INSTALL, README_FILES/*
   8 #   and at http://www.ijs.si/software/amavisd/amavisd-new-docs.html
   9
  10
  11 # COMMONLY ADJUSTED SETTINGS:
  12
  13 # @bypass_virus_checks_maps = (1);  # controls running of anti-virus code
  14 # @bypass_spam_checks_maps  = (1);  # controls running of anti-spam code
  15 # $bypass_decode_parts = 1;         # controls running of decoders&dearchivers
  16
  17 $max_servers = 2;            # num of pre-forked children (2..15 is common), -m
  18 $daemon_user  = 'amavis';    # (no default;  customary: vscan or amavis), -u
  19 $daemon_group = 'amavis';    # (no default;  customary: vscan or amavis), -g
  20
  21 $mydomain = 'example.com';   # a convenient default for other settings
  22
  23 # $MYHOME = '/var/amavis';   # a convenient default for other settings, -H
  24 $TEMPBASE = "$MYHOME/tmp";   # working directory, needs to exist, -T
  25 $ENV{TMPDIR} = $TEMPBASE;    # environment variable TMPDIR, used by SA, etc.
  26 $QUARANTINEDIR = '/var/virusmails';  # -Q
  27 # $quarantine_subdir_levels = 1;  # add level of subdirs to disperse quarantine
  28
  29 # $daemon_chroot_dir = $MYHOME;   # chroot directory or undef, -R
  30
  31 # $db_home   = "$MYHOME/db";      # dir for bdb nanny/cache/snmp databases, -D
  32 # $helpers_home = "$MYHOME/var";  # working directory for SpamAssassin, -S
  33 # $lock_file = "$MYHOME/var/amavisd.lock";  # -L
  34 # $pid_file  = "$MYHOME/var/amavisd.pid";   # -P
  35 #NOTE: create directories $MYHOME/tmp, $MYHOME/var, $MYHOME/db manually
  36
  37 $log_level = 0;              # verbosity 0..5, -d
  38 $log_recip_templ = undef;    # disable by-recipient level-0 log entries
  39 $DO_SYSLOG = 1;              # log via syslogd (preferred)
  40 $syslog_facility = 'mail';   # Syslog facility as a string
  41            # e.g.: mail, daemon, user, local0, ... local7
  42 $syslog_priority = 'debug';  # Syslog base (minimal) priority as a string,
  43            # choose from: emerg, alert, crit, err, warning, notice, info, debug
  44
  45 $enable_db = 1;              # enable use of BerkeleyDB/libdb (SNMP and nanny)
  46 $enable_global_cache = 1;    # enable use of libdb-based cache if $enable_db=1
  47 $nanny_details_level = 2;    # nanny verbosity: 1: traditional, 2: detailed
  48
  49 @local_domains_maps = ( [".$mydomain"] );  # list of all local domains
  50
  51 @mynetworks = qw( 127.0.0.0/8 [::1] [FE80::]/10 [FEC0::]/10
  52                   10.0.0.0/8 172.16.0.0/12 192.168.0.0/16 );
  53
  54 $unix_socketname = "$MYHOME/amavisd.sock";  # amavisd-release or amavis-milter
  55                # option(s) -p overrides $inet_socket_port and $unix_socketname
  56
  57 $inet_socket_port = 10024;   # listen on this local TCP port(s)
  58 # $inet_socket_port = [10024,10026];  # listen on multiple TCP ports
  59
  60 $policy_bank{'MYNETS'} = {   # mail originating from @mynetworks
  61   originating => 1,  # is true in MYNETS by default, but let's make it explicit
  62   os_fingerprint_method => undef,  # don't query p0f for internal clients
  63 };
  64
  65 # it is up to MTA to re-route mail from authenticated roaming users or
  66 # from internal hosts to a dedicated TCP port (such as 10026) for filtering
  67 $interface_policy{'10026'} = 'ORIGINATING';
  68
  69 $policy_bank{'ORIGINATING'} = {  # mail supposedly originating from our users
  70   originating => 1,  # declare that mail was submitted by our smtp client
  71   allow_disclaimers => 1,  # enables disclaimer insertion if available
  72   # notify administrator of locally originating malware
  73   virus_admin_maps => ["virusalert\@$mydomain"],
  74   spam_admin_maps  => ["virusalert\@$mydomain"],
  75   warnbadhsender   => 1,
  76   # forward to a smtpd service providing DKIM signing service
  77   forward_method => 'smtp:[127.0.0.1]:10027',
  78   # force MTA conversion to 7-bit (e.g. before DKIM signing)
  79   smtpd_discard_ehlo_keywords => ['8BITMIME'],
  80   bypass_banned_checks_maps => [1],  # allow sending any file names and types
  81   terminate_dsn_on_notify_success => 0,  # don't remove NOTIFY=SUCCESS option
  82 };
  83
  84 $interface_policy{'SOCK'} = 'AM.PDP-SOCK'; # only applies with $unix_socketname
  85
  86 # Use with amavis-release over a socket or with Petr Rehor's amavis-milter.c
  87 # (with amavis-milter.c from this package or old amavis.c client use 'AM.CL'):
  88 $policy_bank{'AM.PDP-SOCK'} = {
  89   protocol => 'AM.PDP',
  90   auth_required_release => 0,  # do not require secret_id for amavisd-release
  91 };
  92
  93 $sa_tag_level_deflt  = 2.0;  # add spam info headers if at, or above that level
  94 $sa_tag2_level_deflt = 6.2;  # add 'spam detected' headers at that level
  95 $sa_kill_level_deflt = 6.9;  # triggers spam evasive actions (e.g. blocks mail)
  96 $sa_dsn_cutoff_level = 10;   # spam level beyond which a DSN is not sent
  97 # $sa_quarantine_cutoff_level = 25; # spam level beyond which quarantine is off
  98 $penpals_bonus_score = 8;    # (no effect without a @storage_sql_dsn database)
  99 $penpals_threshold_high = $sa_kill_level_deflt;  # don't waste time on hi spam
 100
 101 $sa_mail_body_size_limit = 400*1024; # don't waste time on SA if mail is larger
 102 $sa_local_tests_only = 0;    # only tests which do not require internet access?
 103
 104 # @lookup_sql_dsn =
 105 #   ( ['DBI:mysql:database=mail;host=127.0.0.1;port=3306', 'user1', 'passwd1'],
 106 #     ['DBI:mysql:database=mail;host=host2', 'username2', 'password2'],
 107 #     ["DBI:SQLite:dbname=$MYHOME/sql/mail_prefs.sqlite", '', ''] );
 108 # @storage_sql_dsn = @lookup_sql_dsn;  # none, same, or separate database
 109
 110 # $timestamp_fmt_mysql = 1; # if using MySQL *and* msgs.time_iso is TIMESTAMP;
 111 #   defaults to 0, which is good for non-MySQL or if msgs.time_iso is CHAR(16)
 112
 113 $virus_admin               = "virusalert\@$mydomain";  # notifications recip.
 114
 115 $mailfrom_notify_admin     = "virusalert\@$mydomain";  # notifications sender
 116 $mailfrom_notify_recip     = "virusalert\@$mydomain";  # notifications sender
 117 $mailfrom_notify_spamadmin = "spam.police\@$mydomain"; # notifications sender
 118 $mailfrom_to_quarantine = ''; # null return path; uses original sender if undef
 119
 120 @addr_extension_virus_maps      = ('virus');
 121 @addr_extension_banned_maps     = ('banned');
 122 @addr_extension_spam_maps       = ('spam');
 123 @addr_extension_bad_header_maps = ('badh');
 124 # $recipient_delimiter = '+';  # undef disables address extensions altogether
 125 # when enabling addr extensions do also Postfix/main.cf: recipient_delimiter=+
 126
 127 $path = '/usr/local/sbin:/usr/local/bin:/usr/sbin:/sbin:/usr/bin:/bin';
 128 # $dspam = 'dspam';
 129
 130 $MAXLEVELS = 14;
 131 $MAXFILES = 1500;
 132 $MIN_EXPANSION_QUOTA =      100*1024;  # bytes  (default undef, not enforced)
 133 $MAX_EXPANSION_QUOTA = 300*1024*1024;  # bytes  (default undef, not enforced)
 134
 135 $sa_spam_subject_tag = '***SPAM*** ';
 136 $defang_virus  = 1;  # MIME-wrap passed infected mail
 137 $defang_banned = 1;  # MIME-wrap passed mail containing banned name
 138 # for defanging bad headers only turn on certain minor contents categories:
 139 $defang_by_ccat{+CC_BADH.",3"} = 1;  # NUL or CR character in header
 140 $defang_by_ccat{+CC_BADH.",5"} = 1;  # header line longer than 998 characters
 141 $defang_by_ccat{+CC_BADH.",6"} = 1;  # header field syntax error
 142
 143
 144 # OTHER MORE COMMON SETTINGS (defaults may suffice):
 145
 146 $myhostname = 'ipfire.localdomain';  # must be a fully-qualified domain name!
 147
 148 # $notify_method  = 'smtp:[127.0.0.1]:10025';
 149 # $forward_method = 'smtp:[127.0.0.1]:10025';  # set to undef with milter!
 150
 151 # $final_virus_destiny      = D_DISCARD;
 152 # $final_banned_destiny     = D_BOUNCE;
 153 # $final_spam_destiny       = D_BOUNCE;
 154 # $final_bad_header_destiny = D_PASS;
 155
 156 # $os_fingerprint_method = 'p0f:127.0.0.1:2345';  # to query p0f-analyzer.pl
 157
 158 ## hierarchy by which a final setting is chosen:
 159 ##   policy bank (based on port or IP address) -> *_by_ccat
 160 ##   *_by_ccat (based on mail contents) -> *_maps
 161 ##   *_maps (based on recipient address) -> final configuration value
 162
 163
 164 # SOME OTHER VARIABLES WORTH CONSIDERING (see amavisd.conf-default for all)
 165
 166 # $warnbadhsender,
 167 # $warnvirusrecip, $warnbannedrecip, $warnbadhrecip, (or @warn*recip_maps)
 168 #
 169 # @bypass_virus_checks_maps, @bypass_spam_checks_maps,
 170 # @bypass_banned_checks_maps, @bypass_header_checks_maps,
 171 #
 172 # @virus_lovers_maps, @spam_lovers_maps,
 173 # @banned_files_lovers_maps, @bad_header_lovers_maps,
 174 #
 175 # @blacklist_sender_maps, @score_sender_maps,
 176 #
 177 # $clean_quarantine_method, $virus_quarantine_to, $banned_quarantine_to,
 178 # $bad_header_quarantine_to, $spam_quarantine_to,
 179 #
 180 # $defang_bad_header, $defang_undecipherable, $defang_spam
 181
 182
 183 # REMAINING IMPORTANT VARIABLES ARE LISTED HERE BECAUSE OF LONGER ASSIGNMENTS
 184
 185 @keep_decoded_original_maps = (new_RE(
 186 # qr'^MAIL$',   # retain full original message for virus checking (can be slow)
 187   qr'^MAIL-UNDECIPHERABLE$', # recheck full mail if it contains undecipherables
 188   qr'^(ASCII(?! cpio)|text|uuencoded|xxencoded|binhex)'i,
 189 # qr'^Zip archive data',     # don't trust Archive::Zip
 190 ));
 191
 192
 193 # for $banned_namepath_re (a new-style of banned table) see amavisd.conf-sample
 194
 195 $banned_filename_re = new_RE(
 196
 197 ### BLOCKED ANYWHERE
 198 # qr'^UNDECIPHERABLE$',  # is or contains any undecipherable components
 199   qr'^\.(exe-ms|dll)$',                   # banned file(1) types, rudimentary
 200 # qr'^\.(exe|lha|tnef|cab|dll)$',         # banned file(1) types
 201
 202 ### BLOCK THE FOLLOWING, EXCEPT WITHIN UNIX ARCHIVES:
 203 # [ qr'^\.(gz|bz2)$'             => 0 ],  # allow any in gzip or bzip2
 204   [ qr'^\.(rpm|cpio|tar)$'       => 0 ],  # allow any in Unix-type archives
 205
 206   qr'.\.(pif|scr)$'i,                     # banned extensions - rudimentary
 207 # qr'^\.zip$',                            # block zip type
 208
 209 ### BLOCK THE FOLLOWING, EXCEPT WITHIN ARCHIVES:
 210 # [ qr'^\.(zip|rar|arc|arj|zoo)$'=> 0 ],  # allow any within these archives
 211
 212   qr'^application/x-msdownload$'i,        # block these MIME types
 213   qr'^application/x-msdos-program$'i,
 214   qr'^application/hta$'i,
 215
 216 # qr'^message/partial$'i,         # rfc2046 MIME type
 217 # qr'^message/external-body$'i,   # rfc2046 MIME type
 218
 219 # qr'^(application/x-msmetafile|image/x-wmf)$'i,  # Windows Metafile MIME type
 220 # qr'^\.wmf$',                            # Windows Metafile file(1) type
 221
 222   # block certain double extensions in filenames
 223   qr'\.[^./]*[A-Za-z][^./]*\.\s*(exe|vbs|pif|scr|bat|cmd|com|cpl|dll)[.\s]*$'i,
 224
 225 # qr'\{[0-9a-f]{8}(-[0-9a-f]{4}){3}-[0-9a-f]{12}\}?'i, # Class ID CLSID, strict
 226 # qr'\{[0-9a-z]{4,}(-[0-9a-z]{4,}){0,7}\}?'i, # Class ID extension CLSID, loose
 227
 228   qr'.\.(exe|vbs|pif|scr|cpl)$'i,             # banned extension - basic
 229 # qr'.\.(exe|vbs|pif|scr|cpl|bat|cmd|com)$'i, # banned extension - basic+cmd
 230 # qr'.\.(ade|adp|app|bas|bat|chm|cmd|com|cpl|crt|emf|exe|fxp|grp|hlp|hta|
 231 #        inf|ins|isp|js|jse|lnk|mda|mdb|mde|mdw|mdt|mdz|msc|msi|msp|mst|
 232 #        ops|pcd|pif|prg|reg|scr|sct|shb|shs|vb|vbe|vbs|
 233 #        wmf|wsc|wsf|wsh)$'ix,  # banned ext - long
 234 # qr'.\.(ani|cur|ico)$'i,                 # banned cursors and icons filename
 235 # qr'^\.ani$',                            # banned animated cursor file(1) type
 236
 237 # qr'.\.(mim|b64|bhx|hqx|xxe|uu|uue)$'i,  # banned extension - WinZip vulnerab.
 238 );
 239 # See http://support.microsoft.com/default.aspx?scid=kb;EN-US;q262631
 240 # and http://www.cknow.com/vtutor/vtextensions.htm
 241
 242
 243 # ENVELOPE SENDER SOFT-WHITELISTING / SOFT-BLACKLISTING
 244
 245 @score_sender_maps = ({ # a by-recipient hash lookup table,
 246                         # results from all matching recipient tables are summed
 247
 248 # ## per-recipient personal tables  (NOTE: positive: black, negative: white)
 249 # 'user1@example.com'  => [{'bla-mobile.press@example.com' => 10.0}],
 250 # 'user3@example.com'  => [{'.ebay.com'                 => -3.0}],
 251 # 'user4@example.com'  => [{'cleargreen@cleargreen.com' => -7.0,
 252 #                           '.cleargreen.com'           => -5.0}],
 253
 254   ## site-wide opinions about senders (the '.' matches any recipient)
 255   '.' => [  # the _first_ matching sender determines the score boost
 256
 257    new_RE(  # regexp-type lookup table, just happens to be all soft-blacklist
 258     [qr'^(bulkmail|offers|cheapbenefits|earnmoney|foryou)@'i         => 5.0],
 259     [qr'^(greatcasino|investments|lose_weight_today|market\.alert)@'i=> 5.0],
 260     [qr'^(money2you|MyGreenCard|new\.tld\.registry|opt-out|opt-in)@'i=> 5.0],
 261     [qr'^(optin|saveonlsmoking2002k|specialoffer|specialoffers)@'i   => 5.0],
 262     [qr'^(stockalert|stopsnoring|wantsome|workathome|yesitsfree)@'i  => 5.0],
 263     [qr'^(your_friend|greatoffers)@'i                                => 5.0],
 264     [qr'^(inkjetplanet|marketopt|MakeMoney)\d*@'i                    => 5.0],
 265    ),
 266
 267 #  read_hash("/var/amavis/sender_scores_sitewide"),
 268
 269    { # a hash-type lookup table (associative array)
 270      'nobody@cert.org'                        => -3.0,
 271      'cert-advisory@us-cert.gov'              => -3.0,
 272      'owner-alert@iss.net'                    => -3.0,
 273      'slashdot@slashdot.org'                  => -3.0,
 274      'securityfocus.com'                      => -3.0,
 275      'ntbugtraq@listserv.ntbugtraq.com'       => -3.0,
 276      'security-alerts@linuxsecurity.com'      => -3.0,
 277      'mailman-announce-admin@python.org'      => -3.0,
 278      'amavis-user-admin@lists.sourceforge.net'=> -3.0,
 279      'amavis-user-bounces@lists.sourceforge.net' => -3.0,
 280      'spamassassin.apache.org'                => -3.0,
 281      'notification-return@lists.sophos.com'   => -3.0,
 282      'owner-postfix-users@postfix.org'        => -3.0,
 283      'owner-postfix-announce@postfix.org'     => -3.0,
 284      'owner-sendmail-announce@lists.sendmail.org'   => -3.0,
 285      'sendmail-announce-request@lists.sendmail.org' => -3.0,
 286      'donotreply@sendmail.org'                => -3.0,
 287      'ca+envelope@sendmail.org'               => -3.0,
 288      'noreply@freshmeat.net'                  => -3.0,
 289      'owner-technews@postel.acm.org'          => -3.0,
 290      'ietf-123-owner@loki.ietf.org'           => -3.0,
 291      'cvs-commits-list-admin@gnome.org'       => -3.0,
 292      'rt-users-admin@lists.fsck.com'          => -3.0,
 293      'clp-request@comp.nus.edu.sg'            => -3.0,
 294      'surveys-errors@lists.nua.ie'            => -3.0,
 295      'emailnews@genomeweb.com'                => -5.0,
 296      'yahoo-dev-null@yahoo-inc.com'           => -3.0,
 297      'returns.groups.yahoo.com'               => -3.0,
 298      'clusternews@linuxnetworx.com'           => -3.0,
 299      lc('lvs-users-admin@LinuxVirtualServer.org')    => -3.0,
 300      lc('owner-textbreakingnews@CNNIMAIL12.CNN.COM') => -5.0,
 301
 302      # soft-blacklisting (positive score)
 303      'sender@example.net'                     =>  3.0,
 304      '.example.net'                           =>  1.0,
 305
 306    },
 307   ],  # end of site-wide tables
 308 });
 309
 310
 311 @decoders = (
 312   ['mail', \&do_mime_decode],
 313   ['asc',  \&do_ascii],
 314   ['uue',  \&do_ascii],
 315   ['hqx',  \&do_ascii],
 316   ['ync',  \&do_ascii],
 317   ['F',    \&do_uncompress, ['unfreeze','freeze -d','melt','fcat'] ],
 318   ['Z',    \&do_uncompress, ['uncompress','gzip -d','zcat'] ],
 319   ['gz',   \&do_uncompress,  'gzip -d'],
 320   ['gz',   \&do_gunzip],
 321   ['bz2',  \&do_uncompress,  'bzip2 -d'],
 322   ['lzo',  \&do_uncompress,  'lzop -d'],
 323   ['rpm',  \&do_uncompress, ['rpm2cpio.pl','rpm2cpio'] ],
 324   ['cpio', \&do_pax_cpio,   ['pax','gcpio','cpio'] ],
 325   ['tar',  \&do_pax_cpio,   ['pax','gcpio','cpio'] ],
 326   ['deb',  \&do_ar,          'ar'],
 327 # ['a',    \&do_ar,          'ar'],  # unpacking .a seems an overkill
 328   ['zip',  \&do_unzip],
 329   ['7z',   \&do_7zip,       ['7zr','7za','7z'] ],
 330   ['rar',  \&do_unrar,      ['rar','unrar'] ],
 331   ['arj',  \&do_unarj,      ['arj','unarj'] ],
 332   ['arc',  \&do_arc,        ['nomarch','arc'] ],
 333   ['zoo',  \&do_zoo,        ['zoo','unzoo'] ],
 334   ['lha',  \&do_lha,         'lha'],
 335 # ['doc',  \&do_ole,         'ripole'],
 336   ['cab',  \&do_cabextract,  'cabextract'],
 337   ['tnef', \&do_tnef_ext,    'tnef'],
 338   ['tnef', \&do_tnef],
 339 # ['sit',  \&do_unstuff,     'unstuff'],  # broken/unsafe decoder
 340   ['exe',  \&do_executable, ['rar','unrar'], 'lha', ['arj','unarj'] ],
 341 );
 342
 343
 344 @av_scanners = (
 345
 346 # ### http://www.clanfield.info/sophie/ (http://www.vanja.com/tools/sophie/)
 347 # ['Sophie',
 348 #   \&ask_daemon, ["{}/\n", '/var/run/sophie'],
 349 #   qr/(?x)^ 0+ ( : | [\000\r\n]* $)/,  qr/(?x)^ 1 ( : | [\000\r\n]* $)/,
 350 #   qr/(?x)^ [-+]? \d+ : (.*?) [\000\r\n]* $/ ],
 351
 352 # ### http://www.csupomona.edu/~henson/www/projects/SAVI-Perl/
 353 # ['Sophos SAVI', \&sophos_savi ],
 354
 355 # ### http://www.clamav.net/
 356 # ['ClamAV-clamd',
 357 #   \&ask_daemon, ["CONTSCAN {}\n", "/var/run/clamav/clamd"],
 358 #   qr/\bOK$/, qr/\bFOUND$/,
 359 #   qr/^.*?: (?!Infected Archive)(.*) FOUND$/ ],
 360 # # NOTE: run clamd under the same user as amavisd, or run it under its own
 361 # #   uid such as clamav, add user clamav to the amavis group, and then add
 362 # #   AllowSupplementaryGroups to clamd.conf;
 363 # # NOTE: match socket name (LocalSocket) in clamav.conf to the socket name in
 364 # #   this entry; when running chrooted one may prefer socket "$MYHOME/clamd".
 365
 366 # ### http://www.clamav.net/ and CPAN  (memory-hungry! clamd is preferred)
 367 # # note that Mail::ClamAV requires perl to be build with threading!
 368 # ['Mail::ClamAV', \&ask_clamav, "*", [0], [1], qr/^INFECTED: (.+)/],
 369
 370 # ### http://www.openantivirus.org/
 371 # ['OpenAntiVirus ScannerDaemon (OAV)',
 372 #   \&ask_daemon, ["SCAN {}\n", '127.0.0.1:8127'],
 373 #   qr/^OK/, qr/^FOUND: /, qr/^FOUND: (.+)/ ],
 374
 375 # ### http://www.vanja.com/tools/trophie/
 376 # ['Trophie',
 377 #   \&ask_daemon, ["{}/\n", '/var/run/trophie'],
 378 #   qr/(?x)^ 0+ ( : | [\000\r\n]* $)/,  qr/(?x)^ 1 ( : | [\000\r\n]* $)/,
 379 #   qr/(?x)^ [-+]? \d+ : (.*?) [\000\r\n]* $/ ],
 380
 381 # ### http://www.grisoft.com/
 382 # ['AVG Anti-Virus',
 383 #   \&ask_daemon, ["SCAN {}\n", '127.0.0.1:55555'],
 384 #   qr/^200/, qr/^403/, qr/^403 .*?: ([^\r\n]+)/ ],
 385
 386 # ### http://www.f-prot.com/
 387 # ['FRISK F-Prot Daemon',
 388 #   \&ask_daemon,
 389 #   ["GET {}/*?-dumb%20-archive%20-packed HTTP/1.0\r\n\r\n",
 390 #     ['127.0.0.1:10200','127.0.0.1:10201','127.0.0.1:10202',
 391 #      '127.0.0.1:10203','127.0.0.1:10204'] ],
 392 #   qr/(?i)<summary[^>]*>clean<\/summary>/,
 393 #   qr/(?i)<summary[^>]*>infected<\/summary>/,
 394 #   qr/(?i)<name>(.+)<\/name>/ ],
 395
 396 # ### http://www.sald.com/, http://www.dials.ru/english/, http://www.drweb.ru/
 397 # ['DrWebD', \&ask_daemon,   # DrWebD 4.31 or later
 398 #   [pack('N',1).  # DRWEBD_SCAN_CMD
 399 #    pack('N',0x00280001).   # DONT_CHANGEMAIL, IS_MAIL, RETURN_VIRUSES
 400 #    pack('N',     # path length
 401 #      length("$TEMPBASE/amavis-yyyymmddTHHMMSS-xxxxx/parts/pxxx")).
 402 #    '{}/*'.       # path
 403 #    pack('N',0).  # content size
 404 #    pack('N',0),
 405 #    '/var/drweb/run/drwebd.sock',
 406 #  # '/var/amavis/var/run/drwebd.sock',   # suitable for chroot
 407 #  # '/usr/local/drweb/run/drwebd.sock',  # FreeBSD drweb ports default
 408 #  # '127.0.0.1:3000',                    # or over an inet socket
 409 #   ],
 410 #   qr/\A\x00[\x10\x11][\x00\x10]\x00/s,         # IS_CLEAN,EVAL_KEY; SKIPPED
 411 #   qr/\A\x00[\x00\x01][\x00\x10][\x20\x40\x80]/s, # KNOWN_V,UNKNOWN_V,V._MODIF
 412 #   qr/\A.{12}(?:infected with )?([^\x00]+)\x00/s,
 413 # ],
 414 # # NOTE: If using amavis-milter, change length to:
 415 # # length("$TEMPBASE/amavis-milter-xxxxxxxxxxxxxx/parts/pxxx").
 416
 417   ### http://www.kaspersky.com/  (kav4mailservers)
 418   ['KasperskyLab AVP - aveclient',
 419     ['/usr/local/kav/bin/aveclient','/usr/local/share/kav/bin/aveclient',
 420      '/opt/kav/5.5/kav4mailservers/bin/aveclient','aveclient'],
 421     '-p /var/run/aveserver -s {}/*',
 422     [0,3,6,8], qr/\b(INFECTED|SUSPICION|SUSPICIOUS)\b/,
 423     qr/(?:INFECTED|WARNING|SUSPICION|SUSPICIOUS) (.+)/,
 424   ],
 425   # NOTE: one may prefer [0],[2,3,4,5], depending on how suspicious,
 426   # currupted or protected archives are to be handled
 427
 428   ### http://www.kaspersky.com/
 429   ['KasperskyLab AntiViral Toolkit Pro (AVP)', ['avp'],
 430     '-* -P -B -Y -O- {}', [0,3,6,8], [2,4],    # any use for -A -K   ?
 431     qr/infected: (.+)/,
 432     sub {chdir('/opt/AVP') or die "Can't chdir to AVP: $!"},
 433     sub {chdir($TEMPBASE) or die "Can't chdir back to $TEMPBASE $!"},
 434   ],
 435
 436   ### The kavdaemon and AVPDaemonClient have been removed from Kasperky
 437   ### products and replaced by aveserver and aveclient
 438   ['KasperskyLab AVPDaemonClient',
 439     [ '/opt/AVP/kavdaemon',       'kavdaemon',
 440       '/opt/AVP/AvpDaemonClient', 'AvpDaemonClient',
 441       '/opt/AVP/AvpTeamDream',    'AvpTeamDream',
 442       '/opt/AVP/avpdc', 'avpdc' ],
 443     "-f=$TEMPBASE {}", [0,8], [3,4,5,6], qr/infected: ([^\r\n]+)/ ],
 444     # change the startup-script in /etc/init.d/kavd to:
 445     #   DPARMS="-* -Y -dl -f=/var/amavis /var/amavis"
 446     #   (or perhaps:   DPARMS="-I0 -Y -* /var/amavis" )
 447     # adjusting /var/amavis above to match your $TEMPBASE.
 448     # The '-f=/var/amavis' is needed if not running it as root, so it
 449     # can find, read, and write its pid file, etc., see 'man kavdaemon'.
 450     # defUnix.prf: there must be an entry "*/var/amavis" (or whatever
 451     #   directory $TEMPBASE specifies) in the 'Names=' section.
 452     # cd /opt/AVP/DaemonClients; configure; cd Sample; make
 453     # cp AvpDaemonClient /opt/AVP/
 454     # su - vscan -c "${PREFIX}/kavdaemon ${DPARMS}"
 455
 456   ### http://www.centralcommand.com/
 457   ['CentralCommand Vexira (new) vascan',
 458     ['vascan','/usr/lib/Vexira/vascan'],
 459     "-a s --timeout=60 --temp=$TEMPBASE -y $QUARANTINEDIR ".
 460     "--log=/var/log/vascan.log {}",
 461     [0,3], [1,2,5],
 462     qr/(?x)^\s* (?:virus|iworm|macro|mutant|sequence|trojan)\ found:\ ( [^\]\s']+ )\ \.\.\.\ / ],
 463     # Adjust the path of the binary and the virus database as needed.
 464     # 'vascan' does not allow to have the temp directory to be the same as
 465     # the quarantine directory, and the quarantine option can not be disabled.
 466     # If $QUARANTINEDIR is not used, then another directory must be specified
 467     # to appease 'vascan'. Move status 3 to the second list if password
 468     # protected files are to be considered infected.
 469
 470   ### http://www.avira.com/
 471   ### Avira AntiVir (formerly H+BEDV) or (old) CentralCommand Vexira Antivirus
 472   ['Avira AntiVir', ['antivir','vexira'],
 473     '--allfiles -noboot -nombr -rs -s -z {}', [0], qr/ALERT:|VIRUS:/,
 474     qr/(?x)^\s* (?: ALERT: \s* (?: \[ | [^']* ' ) |
 475          (?i) VIRUS:\ .*?\ virus\ '?) ( [^\]\s']+ )/ ],
 476     # NOTE: if you only have a demo version, remove -z and add 214, as in:
 477     #  '--allfiles -noboot -nombr -rs -s {}', [0,214], qr/ALERT:|VIRUS:/,
 478
 479   ### http://www.commandsoftware.com/
 480   ['Command AntiVirus for Linux', 'csav',
 481     '-all -archive -packed {}', [50], [51,52,53],
 482     qr/Infection: (.+)/ ],
 483
 484   ### http://www.symantec.com/
 485   ['Symantec CarrierScan via Symantec CommandLineScanner',
 486     'cscmdline', '-a scan -i 1 -v -s 127.0.0.1:7777 {}',
 487     qr/^Files Infected:\s+0$/, qr/^Infected\b/,
 488     qr/^(?:Info|Virus Name):\s+(.+)/ ],
 489
 490   ### http://www.symantec.com/
 491   ['Symantec AntiVirus Scan Engine',
 492     'savsecls', '-server 127.0.0.1:7777 -mode scanrepair -details -verbose {}',
 493     [0], qr/^Infected\b/,
 494     qr/^(?:Info|Virus Name):\s+(.+)/ ],
 495     # NOTE: check options and patterns to see which entry better applies
 496
 497 # ### http://www.f-secure.com/products/anti-virus/  version 4.65
 498 #  ['F-Secure Antivirus for Linux servers',
 499 #   ['/opt/f-secure/fsav/bin/fsav', 'fsav'],
 500 #   '--delete=no --disinf=no --rename=no --archive=yes --auto=yes '.
 501 #   '--dumb=yes --list=no --mime=yes {}', [0], [3,6,8],
 502 #   qr/(?:infection|Infected|Suspected): (.+)/ ],
 503
 504   ### http://www.f-secure.com/products/anti-virus/  version 5.52
 505    ['F-Secure Antivirus for Linux servers',
 506     ['/opt/f-secure/fsav/bin/fsav', 'fsav'],
 507     '--virus-action1=report --archive=yes --auto=yes '.
 508     '--dumb=yes --list=no --mime=yes {}', [0], [3,4,6,8],
 509     qr/(?:infection|Infected|Suspected|Riskware): (.+)/ ],
 510     # NOTE: internal archive handling may be switched off by '--archive=no'
 511     #   to prevent fsav from exiting with status 9 on broken archives
 512
 513 # ### http://www.avast.com/
 514 # ['avast! Antivirus daemon',
 515 #   \&ask_daemon,       # greets with 220, terminate with QUIT
 516 #   ["SCAN {}\015\012QUIT\015\012", '/var/run/avast4/mailscanner.sock'],
 517 #   qr/\t\[\+\]/, qr/\t\[L\]\t/, qr/\t\[L\]\t([^[ \t\015\012]+)/ ],
 518
 519 # ### http://www.avast.com/
 520 # ['avast! Antivirus - Client/Server Version', 'avastlite',
 521 #   '-a /var/run/avast4/mailscanner.sock -n {}', [0], [1],
 522 #   qr/\t\[L\]\t([^[ \t\015\012]+)/ ],
 523
 524   ['CAI InoculateIT', 'inocucmd',  # retired product
 525     '-sec -nex {}', [0], [100],
 526     qr/was infected by virus (.+)/ ],
 527   # see: http://www.flatmtn.com/computer/Linux-Antivirus_CAI.html
 528
 529   ### http://www3.ca.com/Solutions/Product.asp?ID=156  (ex InoculateIT)
 530   ['CAI eTrust Antivirus', 'etrust-wrapper',
 531     '-arc -nex -spm h {}', [0], [101],
 532     qr/is infected by virus: (.+)/ ],
 533     # NOTE: requires suid wrapper around inocmd32; consider flag: -mod reviewer
 534     # see http://marc.theaimsgroup.com/?l=amavis-user&m=109229779912783
 535
 536   ### http://mks.com.pl/english.html
 537   ['MkS_Vir for Linux (beta)', ['mks32','mks'],
 538     '-s {}/*', [0], [1,2],
 539     qr/--[ \t]*(.+)/ ],
 540
 541   ### http://mks.com.pl/english.html
 542   ['MkS_Vir daemon', 'mksscan',
 543     '-s -q {}', [0], [1..7],
 544     qr/^... (\S+)/ ],
 545
 546 # ### http://www.nod32.com/,  version v2.52 and above
 547 # ['ESET NOD32 for Linux Mail servers',
 548 #   ['/opt/eset/nod32/bin/nod32cli', 'nod32cli'],
 549 #    '--subdir --files -z --sfx --rtp --adware --unsafe --pattern --heur '.
 550 #    '-w -a --action-on-infected=accept --action-on-uncleanable=accept '.
 551 #    '--action-on-notscanned=accept {}',
 552 #   [0,3], [1,2], qr/virus="([^"]+)"/ ],
 553
 554   ### http://www.eset.com/, version v2.7
 555   ['ESET NOD32 Linux Mail Server - command line interface',
 556     ['/usr/bin/nod32cli', '/opt/eset/nod32/bin/nod32cli', 'nod32cli'],
 557     '--subdir {}', [0,3], [1,2], qr/virus="([^"]+)"/ ],
 558
 559   ## http://www.nod32.com/,  NOD32LFS version 2.5 and above
 560   ['ESET NOD32 for Linux File servers',
 561     ['/opt/eset/nod32/sbin/nod32','nod32'],
 562     '--files -z --mail --sfx --rtp --adware --unsafe --pattern --heur '.
 563     '-w -a --action=1 -b {}',
 564     [0], [1,10], qr/^object=.*, virus="(.*?)",/ ],
 565
 566 # Experimental, based on posting from Rado Dibarbora (Dibo) on 2002-05-31
 567 # ['ESET Software NOD32 Client/Server (NOD32SS)',
 568 #   \&ask_daemon2,    # greets with 200, persistent, terminate with QUIT
 569 #   ["SCAN {}/*\r\n", '127.0.0.1:8448' ],
 570 #   qr/^200 File OK/, qr/^201 /, qr/^201 (.+)/ ],
 571
 572   ### http://www.norman.com/products_nvc.shtml
 573   ['Norman Virus Control v5 / Linux', 'nvcc',
 574     '-c -l:0 -s -u -temp:$TEMPBASE {}', [0,10,11], [1,2,14],
 575     qr/(?i).* virus in .* -> \'(.+)\'/ ],
 576
 577   ### http://www.pandasoftware.com/
 578   ['Panda CommandLineSecure 9 for Linux',
 579     ['/opt/pavcl/usr/bin/pavcl','pavcl'],
 580     '-auto -aex -heu -cmp -nbr -nor -nos -eng -nob {}',
 581     qr/Number of files infected[ .]*: 0+(?!\d)/,
 582     qr/Number of files infected[ .]*: 0*[1-9]/,
 583     qr/Found virus :\s*(\S+)/ ],
 584   # NOTE: for efficiency, start the Panda in resident mode with 'pavcl -tsr'
 585   # before starting amavisd - the bases are then loaded only once at startup.
 586   # To reload bases in a signature update script:
 587   #   /opt/pavcl/usr/bin/pavcl -tsr -ulr; /opt/pavcl/usr/bin/pavcl -tsr
 588   # Please review other options of pavcl, for example:
 589   #  -nomalw, -nojoke, -nodial, -nohackt, -nospyw, -nocookies
 590
 591 # ### http://www.pandasoftware.com/
 592 # ['Panda Antivirus for Linux', ['pavcl'],
 593 #   '-TSR -aut -aex -heu -cmp -nbr -nor -nso -eng {}',
 594 #   [0], [0x10, 0x30, 0x50, 0x70, 0x90, 0xB0, 0xD0, 0xF0],
 595 #   qr/Found virus :\s*(\S+)/ ],
 596
 597 # GeCAD AV technology is acquired by Microsoft; RAV has been discontinued.
 598 # Check your RAV license terms before fiddling with the following two lines!
 599 # ['GeCAD RAV AntiVirus 8', 'ravav',
 600 #   '--all --archive --mail {}', [1], [2,3,4,5], qr/Infected: (.+)/ ],
 601 # # NOTE: the command line switches changed with scan engine 8.5 !
 602 # # (btw, assigning stdin to /dev/null causes RAV to fail)
 603
 604   ### http://www.nai.com/
 605   ['NAI McAfee AntiVirus (uvscan)', 'uvscan',
 606     '--secure -rv --mime --summary --noboot - {}', [0], [13],
 607     qr/(?x) Found (?:
 608         \ the\ (.+)\ (?:virus|trojan)  |
 609         \ (?:virus|trojan)\ or\ variant\ ([^ ]+)  |
 610         :\ (.+)\ NOT\ a\ virus)/,
 611   # sub {$ENV{LD_PRELOAD}='/lib/libc.so.6'},
 612   # sub {delete $ENV{LD_PRELOAD}},
 613   ],
 614   # NOTE1: with RH9: force the dynamic linker to look at /lib/libc.so.6 before
 615   # anything else by setting environment variable LD_PRELOAD=/lib/libc.so.6
 616   # and then clear it when finished to avoid confusing anything else.
 617   # NOTE2: to treat encrypted files as viruses replace the [13] with:
 618   #  qr/^\s{5,}(Found|is password-protected|.*(virus|trojan))/
 619
 620   ### http://www.virusbuster.hu/en/
 621   ['VirusBuster', ['vbuster', 'vbengcl'],
 622     "{} -ss -i '*' -log=$MYHOME/vbuster.log", [0], [1],
 623     qr/: '(.*)' - Virus/ ],
 624   # VirusBuster Ltd. does not support the daemon version for the workstation
 625   # engine (vbuster-eng-1.12-linux-i386-libc6.tgz) any longer. The names of
 626   # binaries, some parameters AND return codes have changed (from 3 to 1).
 627   # See also the new Vexira entry 'vascan' which is possibly related.
 628
 629 # ### http://www.virusbuster.hu/en/
 630 # ['VirusBuster (Client + Daemon)', 'vbengd',
 631 #   '-f -log scandir {}', [0], [3],
 632 #   qr/Virus found = (.*);/ ],
 633 # # HINT: for an infected file it always returns 3,
 634 # # although the man-page tells a different story
 635
 636   ### http://www.cyber.com/
 637   ['CyberSoft VFind', 'vfind',
 638     '--vexit {}/*', [0], [23], qr/##==>>>> VIRUS ID: CVDL (.+)/,
 639   # sub {$ENV{VSTK_HOME}='/usr/lib/vstk'},
 640   ],
 641
 642   ### http://www.avast.com/
 643   ['avast! Antivirus', ['/usr/bin/avastcmd','avastcmd'],
 644     '-a -i -n -t=A {}', [0], [1], qr/\binfected by:\s+([^ \t\n\[\]]+)/ ],
 645
 646   ### http://www.ikarus-software.com/
 647   ['Ikarus AntiVirus for Linux', 'ikarus',
 648     '{}', [0], [40], qr/Signature (.+) found/ ],
 649
 650   ### http://www.bitdefender.com/
 651   ['BitDefender', 'bdc',
 652     '--arc --mail {}', qr/^Infected files *:0+(?!\d)/,
 653     qr/^(?:Infected files|Identified viruses|Suspect files) *:0*[1-9]/,
 654     qr/(?:suspected|infected): (.*)(?:\033|$)/ ],
 655   # consider also: --all --nowarn --alev=15 --flev=15.  The --all argument may
 656   # not apply to your version of bdc, check documentation and see 'bdc --help'
 657
 658   ### ArcaVir for Linux and Unix http://www.arcabit.pl/
 659   ['ArcaVir for Linux', ['arcacmd','arcacmd.static'],
 660     '-v 1 -summary 0 -s {}', [0], [1,2],
 661     qr/(?:VIR|WIR):[ \t]*(.+)/ ],
 662
 663 # ['File::Scan', sub {Amavis::AV::ask_av(sub{
 664 #   use File::Scan; my($fn)=@_;
 665 #   my($f)=File::Scan->new(max_txt_size=>0, max_bin_size=>0);
 666 #   my($vname) = $f->scan($fn);
 667 #   $f->error ? (2,"Error: ".$f->error)
 668 #   : ($vname ne '') ? (1,"$vname FOUND") : (0,"Clean")}, @_) },
 669 #   ["{}/*"], [0], [1], qr/^(.*) FOUND$/ ],
 670
 671 # ### fully-fledged checker for JPEG marker segments of invalid length
 672 # ['check-jpeg',
 673 #   sub { use JpegTester (); Amavis::AV::ask_av(\&JpegTester::test_jpeg, @_) },
 674 #   ["{}/*"], undef, [1], qr/^(bad jpeg: .*)$/ ],
 675 # # NOTE: place file JpegTester.pm somewhere where Perl can find it,
 676 # #       for example in /usr/local/lib/perl5/site_perl
 677
 678 );
 679
 680
 681 @av_scanners_backup = (
 682
 683   ### http://www.clamav.net/   - backs up clamd or Mail::ClamAV
 684   ['ClamAV-clamscan', 'clamscan',
 685     "--stdout --no-summary -r --tempdir=$TEMPBASE {}",
 686     [0], qr/:.*\sFOUND$/, qr/^.*?: (?!Infected Archive)(.*) FOUND$/ ],
 687
 688   ### http://www.f-prot.com/   - backs up F-Prot Daemon
 689   ['FRISK F-Prot Antivirus', ['f-prot','f-prot.sh'],
 690     '-dumb -archive -packed {}', [0,8], [3,6],   # or: [0], [3,6,8],
 691     qr/(?:Infection:|security risk named) (.+)|\s+contains\s+(.+)$/ ],
 692
 693   ### http://www.trendmicro.com/   - backs up Trophie
 694   ['Trend Micro FileScanner', ['/etc/iscan/vscan','vscan'],
 695     '-za -a {}', [0], qr/Found virus/, qr/Found virus (.+) in/ ],
 696
 697   ### http://www.sald.com/, http://drweb.imshop.de/   - backs up DrWebD
 698   ['drweb - DrWeb Antivirus',  # security LHA hole in Dr.Web 4.33 and earlier
 699     ['/usr/local/drweb/drweb', '/opt/drweb/drweb', 'drweb'],
 700     '-path={} -al -go -ot -cn -upn -ok-',
 701     [0,32], [1,9,33], qr' infected (?:with|by)(?: virus)? (.*)$'],
 702
 703    ### http://www.kaspersky.com/
 704    ['Kaspersky Antivirus v5.5',
 705      ['/opt/kaspersky/kav4fs/bin/kav4fs-kavscanner',
 706       '/opt/kav/5.5/kav4unix/bin/kavscanner',
 707       '/opt/kav/5.5/kav4mailservers/bin/kavscanner', 'kavscanner'],
 708      '-i0 -xn -xp -mn -R -ePASBME {}/*', [0,10,15], [5,20,21,25],
 709      qr/(?:INFECTED|WARNING|SUSPICION|SUSPICIOUS) (.*)/ ,
 710 #    sub {chdir('/opt/kav/bin') or die "Can't chdir to kav: $!"},
 711 #    sub {chdir($TEMPBASE) or die "Can't chdir back to $TEMPBASE $!"},
 712    ],
 713
 714 # Commented out because the name 'sweep' clashes with Debian and FreeBSD
 715 # package/port of an audio editor. Make sure the correct 'sweep' is found
 716 # in the path when enabling.
 717 #
 718 # ### http://www.sophos.com/   - backs up Sophie or SAVI-Perl
 719 # ['Sophos Anti Virus (sweep)', 'sweep',
 720 #   '-nb -f -all -rec -ss -sc -archive -cab -mime -oe -tnef '.
 721 #   '--no-reset-atime {}',
 722 #   [0,2], qr/Virus .*? found/,
 723 #   qr/^>>> Virus(?: fragment)? '?(.*?)'? found/,
 724 # ],
 725 # # other options to consider: -idedir=/usr/local/sav
 726
 727 # always succeeds (uncomment to consider mail clean if all other scanners fail)
 728 # ['always-clean', sub {0}],
 729
 730 );
 731
 732
 733 1;  # insure a defined return