/usr/bin/sb_bnserver is in spambayes 1.1a6-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | #!/usr/bin/python
# Another server version of hammie.py
# This is not intended to be run manually, it is the opportunistic
# daemon backend of sb_bnfilter.
#
# Author: Toby Dickenson
#
"""Usage: %(program)s [options] FILE
Where:
-h
show usage and exit
-p FILE
use pickle FILE as the persistent store. loads data from this file
if it exists, and saves data to this file at the end.
-d FILE
use DBM store FILE as the persistent store.
-o section:option:value
set [section, option] in the options database to value
-a seconds
timeout in seconds between requests before this server terminates
-A number
terminate this server after this many requests
FILE
unix domain socket used on which we listen
"""
import os, getopt, sys, SocketServer, traceback, select, socket, errno
# See Options.py for explanations of these properties
program = sys.argv[0]
def usage(code, msg=''):
"""Print usage message and sys.exit(code)."""
if msg:
print >> sys.stderr, msg
print >> sys.stderr
print >> sys.stderr, __doc__
sys.exit(code)
def main():
"""Main program; parse options and go."""
try:
opts, args = getopt.getopt(sys.argv[1:], 'hd:p:o:a:A:')
except getopt.error, msg:
usage(2, msg)
if len(args) != 1:
usage(2, "socket not specified")
# get the server up before initializing spambayes, so that
# we haven't wasted time if we later find we can't start the server
try:
server = BNServer(args[0], BNRequest)
except socket.error,e:
if e[0] == errno.EADDRINUSE:
pass # in use, no need
else:
raise # a real error
else:
try:
from spambayes import Options, storage
options = Options.options
for opt, arg in opts:
if opt == '-h':
usage(0)
elif opt == '-o':
options.set_from_cmdline(arg, sys.stderr)
elif opt == '-a':
server.timeout = float(arg)
elif opt == '-A':
server.number = int(arg)
h = make_HammieFilter()
h.dbname, h.usedb = storage.database_type(opts)
server.hammie = h
server.serve_until_idle()
h.close()
finally:
try:
os.unlink(args[0])
except EnvironmentError:
pass
class NowIdle(Exception):
pass
class BNServer(SocketServer.UnixStreamServer):
allow_reuse_address = True
timeout = 10.0
number = 100
def serve_until_idle(self):
try:
for i in range(self.number):
self.handle_request()
except NowIdle:
pass
def get_request(self):
r, w, e = select.select([self.socket], [], [], self.timeout)
if r:
return self.socket.accept()
else:
raise NowIdle()
class BNRequest(SocketServer.StreamRequestHandler):
def handle(self):
switches = self.rfile.readline()
body = self.rfile.read()
try:
response = self._calc_response(switches, body)
self.wfile.write('0\n%d\n'%(len(response),))
self.wfile.write(response)
except:
response = traceback.format_exception_only(sys.exc_info()[0],
sys.exc_info()[1])[0]
self.wfile.write('1\n%d\n'%(len(response),))
self.wfile.write(response)
def _calc_response(self, switches, body):
switches = switches.split()
actions = []
opts, args = getopt.getopt(switches, 'fgstGS')
h = self.server.hammie
for opt, arg in opts:
if opt == '-f':
actions.append(h.filter)
elif opt == '-g':
actions.append(h.train_ham)
elif opt == '-s':
actions.append(h.train_spam)
elif opt == '-t':
actions.append(h.filter_train)
elif opt == '-G':
actions.append(h.untrain_ham)
elif opt == '-S':
actions.append(h.untrain_spam)
if actions == []:
actions = [h.filter]
from spambayes import mboxutils
msg = mboxutils.get_message(body)
for action in actions:
action(msg)
return mboxutils.as_string(msg, 1)
def make_HammieFilter():
# The sb_hammie script has some logic in the HammieFiler class that we need here too.
# Ideally that should be moved into the spambayes package, but for now lets just
# abuse sys.path, make assumptions about the directory layout, and import it direct
# from the sb_filter script.
from spambayes import Options
path = os.path.split(Options.__file__)[0]+'/../scripts'
if path not in sys.path:
sys.path.append(path)
from sb_filter import HammieFilter
return HammieFilter()
if __name__ == "__main__":
main()
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