Michael Robinton > Mail-SpamCannibal-1.07 > SpamCannibal

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SpamCannibal - scripts

sc_BLcheck.pl

This script checks each IP address found in the archive database against the list of DNSBL black list servers in its configuration file. IP addresses that have a matching DNSBL response are added to the tarpit database and a corresponding record is made in the blcontrib database to indicate the reason for addition and the black list server responsible. The entry may come in part from the TXT record returned by the DNSBL and/or from the default values in the config file.

  Syntax: ./sc_BLcheck.pl path/to/config.file
    or
        ./sc_BLcheck.pl -d path/to/config.file
        ./sc_BLcheck.pl -v path/to/config.file

  The -d switch allows you to see what the 
  script will do without any db updates 
  taking place. The -v switch will print
  the scripts actions to the screen. 
  -v -v does it more verbosely.
  The -d switch implies a single -v.

sc_BLpreen.pl

This script checks each IP address found in the blcontrib file for continued blacklisting by the original DNSBL server. If the DNSBL no longer blacklists an address or if the DNSBL is unreachable for a predetermined, configurable timeout set in the config file for each DNSBL, then the IP address is removed from SpamCannibal's database.

  Syntax: ./sc_BLpreen.pl path/to/config.file
    or
        ./sc_BLpreen.pl -d path/to/config.file
        ./sc_BLpreen.pl -v path/to/config.file

  The -d switch allows you to see what the 
  script will do without any db updates 
  taking place. The -v switch will print
  the scripts actions to the screen. 
  -v -v does it more verbosely.
  The -d switch implies a single -v.

sc_admin.pl

This script provides low level access to the SpamCannibal databases for fixing things or modifying things that can't be done using the admin interfaces. Belt and suspenders!

  Syntax: sc_admin.pl db_name (action) [dot.quad.ip.addr] [stuff]
        (or) [stuff]
             [.]

  sc_admin.pl  db_name  get     dot.quad.ip.addr
  sc_admin.pl  db_name insert   dot.quad.ip.addr stuff...
  sc_admin.pl  db_name delete   dot.quad.ip.addr
  sc_admin.pl  db_name zap      key (unconstrained delete)
  sc_admin.pl  db_name view
  sc_admin.pl  db_name clear
    and
                where db_name is one of
        tarpit, archive, blcontrib, or evidence

  for "tarpit" and "archive" there are no arguments 
        for "insert" except dot.quad.ip.addr,

  for "blcontrib" the arguments are (in order):
        addr => resp, err, remrsp, time, zone

        dot.quad.ip.addr
        127.0.0.3       # response code from our DNSBL
        "error string... from remote DNSBL or our default"
        127.0.0.x       # remote response accepted from remote DNSBL
        1059422395      # time record expires (since epoch) or "0"
        remote.dnsbl.zone

  for "evidence" the arguments are
        dot.quad.ip.addr followed by STDIN of
        mail headers +
        message terminated on the last line by a
        .

sc_initdb.pl

This script initializes the SpamCannibal environment and database files; and sets the permissions on the directories and files.

There's no usage syntax, it is run once after installation. And needs to be run again after a database recovery. Running it repeatedly won't hurt anything.

sc_mailfilter.pl

This script parses a received message that contains a set of spam headers and message body.

  i.e.

        -----------------
        |  real headers |
        -----------------
           blank line
        -----------------
        |  spam headers |
        -----------------
           blank line
        -----------------
        |  spam body    |
        -----------------

The spam headers, blank line, body can optionally (recommend) be encrypted with PGP armor to prevent unauthorized access to the spam client input.

  Syntax: ./sc_mailfilter.pl path/to/config.file
    or
        ./sc_mailfilter.pl -d path/to config.file
        ./sc_mailfilter.pl -v path/to/config.file

  The -v switch sends debug error messages to 
  the REPORT target email address (if present)

  The -d switch returns the information that would
  be added to the tarpit and evidence databases.
  Nothing is added to the database files.

Typically this is invoked by placing a .forward file in the spamcannibal user directory containing the following:

  "|/usr/local/spamcannibal/scripts/sc_mailfilter.pl \
   -v /usr/local/spamcannibal/config/sc_mailfilter.conf"

NOTE: if a username that ends in the character "X" is aliased to the spamcannibal user, messages sent to this "To:" address will not have the message truncated by the configuration entry "MAXMSG". This is useful when one wishes to have a large spam sample record for some egregious type of behavior such as RFC2476 violations.

sc_abuse.pl

This script parses a spam message in the format delivered to the spam moderator by sc_mailfilter.pl to determine the target domain to which to which it will then send an abuse report.

  Syntax: ./sc_abuse.pl path/to/config.file
    or
        ./sc_abuse.pl -d path/to/config.file
        ./sc_abuse.pl -v path/to/config.file

  The -d switch causes the normal output to
  be sent to the REPORT target email address
  rather than to the target abuse address

  The -v switch sends debug error messages to 
  the REPORT target email address (if present)

  This script sends it's "message" to abuse@domain.name of
  the first remote MTA found in the headers of the "message".
  The script decodes the last character in the To: field of 
  it's own received headers to determine the length of the 
  domain to append to "abuse@" to determine the target address.

  i.e. for some.spam.domain.com

  To: localabuse  2 domain fields 'abuse@domain.com'
  To: localabuse1 2 domain fields 'abuse@domain.com'
  To: localabuse2 2 domain fields 'abuse@domain.com'
  To: localabuse3 3 domain fields 'abuse@spam.domain.com'
  To: localabuse4 4 domain fields 'abuse@some.spam.domain.com'

Typically this is invoked by placing a .forward file in the sc_abuse user directory containing the following:

  "|/usr/local/spamcannibal/scripts/sc_mailfilter.pl \
   -v /usr/local/spamcannibal/config/sc_mailfilter.conf"

The sc_abuse user should be created in GROUP "spam"

sc_cleanup.pl

This script cleans spurious records from the database.

For example: A spam message arrives and the sc_BLcheck.pl script is fired off by cron. sc_BLcheck.pl finds the address on a remote DNSBL and adds a record to the tarpit. A few minutes later you read your mail, find the spam and send it off to sc_mailfilter. These two action result in a record in the tarpit as well as both the contrib and evidence databases. Only one tracking record is necessary in contrib or evidence so there is an extra record. Similarly if you "play" around with the sc_admin.pl tools and leave extra records here and there, sc_cleanup.pl will remove them.

  Syntax: ./sc_cleanup.pl -q
    or
        ./sc_cleanup.pl -d
        ./sc_cleanup.pl -v

  The -q switch is for normal, quiet operation.
  The -d switch allows you to see what the 
  script will do without any db updates 
  taking place. The -v switch will print
  the scripts actions to the screen. 
  The -d switch implies a -v.

sc_recoverdb.pl

This scripts verifies and/or recovers and writes a new DB file. You must move/copy the new DB file over the old one.

  Syntax: ./sc_recoverdb.pl [-v] [-p path] [-t] db_file

        -d      debug, print trace info
        -p      optional non-standard path
                (default /var/run/dbtarpit)
        -t      db_file has text mode data
                (needed only for non-standard
                file names not in siteconfig)
        -v      optional verify only switch
                (do not write db_file.new)

  All DB jobs must be stopped to run recovery
  on a DB file. NOT applicable to 'verify mode'.

  Verify example

        ./sc_recoverdb.pl -v evidence
        verifying       157229 records...
        bad record 5907  Successful return: 0
        bad record 5908  Successful return: 0
        verified        157229 records

  New DB file example

        ./sc_recoverdb.pl evidence
        checking        157229 records...
        bad record 5907  Successful return: 0
        bad record 5908  Successful return: 0
        evidence 157229 -> evidence.new 157227

sc_remote.pl

This script is the alias for a suid wrapper (user spam) and provides secure access to a remote host spamcannibal databases for the web admin interface via ssh or other suitable transport for administrative activities. The command line interface is the same as sc_session.pl.

sc_session.pl

This script is the alias for a suid wrapper (user spam) and provides secure access to the local host spamcannibal databases for the web admin interface.

  Syntax: sc_session.pl command [arg1] [arg2] ...

  sc_session.pl admin   on | off (command line only)
  sc_session.pl newsess user password 
  sc_session.pl updpass session_id expire user newpass oldpass
  sc_session.pl chksess session_id expire (relative)
  sc_session.pl rmvsess session_id
  sc_session.pl insBL   session_id expire dot.quad.ip.addr stuff...
  sc_session.pl insEVD  session_id expire dot.quad.ip.addr stuff...
  sc_session.pl delete  session_id expire dot.quad.ip.addr

  admin         returns "OK status"
        allow admin addition/deletion of users
  newsess       returns "OK session_id"
  updpass       returns OK or (error text)
        blank passwords deletes user (not self)
  chksess       returns OK or (error text)
  rmvsess       returns OK or (error text)
  insBL         returns OK or (error text)
                insert blacklist contrib
                the arguments are (in order):
        addr => resp, err, remrsp, time, zone

        dot.quad.ip.addr =>
        127.0.0.3       # response code from our DNSBL
        "error string... from remote DNSBL or our default"
        127.0.0.x       # remote response accepted from remote DNSBL
        1059422395      # time record expires (since epoch) or "0"
        remote.dnsbl.zone
 
  insEVD        returns OK or (error text)
                insert evidence, the arguments are:
        dot.quad.ip.addr followed by STDIN of
        mail headers +
        message terminated on the last line by a single
        .

  delete        returns OK or (error text)
                deletes dot.quad.ip.addr in all databases

sc_country_origin.pl

This script prints a sorted list (by count) of countries of origin (by country code) and the number of IP addresses that appear in the 'tarpit' database.

  US 12345
  CN 7543
  KR 1234
  ... and so on...

sc_dns2rbld.pl

This script converts the DNS zonefile in bind format created by dnsbls kill -USR2 into the format used by the popular rbldns daemon.

  Syntax: ./sc_dns2rbld.pl infile outfile
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