def insert_session_data(self, fd, sender, recipient, type, data=None):
args = dict(session_id = self.session_id,
_time = "from_unixtime(%s)" % fd.current_packet.ts_sec,
sender = sender,
offset = fd.tell(),
recipient = recipient,
type = type)
CacheManager.urn_insert_to_table(fd.urn, "msn_session", args)
def insert_session_data(self, fd, sender, recipient, type, data=None):
args = dict(session_id=self.session_id,
_time="from_unixtime(%s)" % fd.current_packet.ts_sec,
sender=sender,
offset=fd.tell(),
recipient=recipient,
type=type)
CacheManager.urn_insert_to_table(fd.urn, "msn_session", args)
def scan(self, fd, scanners, type, mime, cookie, **args):
if "MSN" in type and fd.urn.endswith("forward"):
pyflaglog.log(pyflaglog.DEBUG,"Openning %s for MSN" % fd.inode_id)
dbfs = FileSystem.DBFS(fd.case)
self.forward_fd = fd
self.reverse_fd = dbfs.open(urn = "%s/reverse" % os.path.dirname(fd.urn))
## Make back references to each other
self.forward_fd.reverse = self.reverse_fd
self.reverse_fd.reverse = self.forward_fd
## Install defaults
self.forward_fd.client_id = self.reverse_fd.client_id = ''
self.forward_fd.dest_id = self.reverse_fd.dest_id = ''
self.session_id = -1
for fd in NetworkScanner.generate_streams_in_time_order(
self.forward_fd, self.reverse_fd):
try:
line = fd.readline()
items = line.split()
command = items[0]
except IndexError: continue
## Try to process the command
try:
handler = getattr(self, command)
except:
#print "Command %s not handled" % command
continue
handler(items, fd, scanners)
CacheManager.update_table_from_urn(fd.case, self.forward_fd.urn)
CacheManager.update_table_from_urn(fd.case, self.reverse_fd.urn)
def MSG(self, items, fd, scanners):
""" Sends message to members of the current session
There are two types of messages that may be sent:
1) A message from the client to the message server.
This does not contain the nick of the client, but does contain a
transaction ID. This message is sent to all users in the
current session.
2) A message from the Switchboard server to the client contains
the nick of the sender.
These two commands are totally different.
1.
MSG 1532 U 92
MIME-Version: 1.0
Content-Type: text/x-msmsgscontrol
TypingUser: [email protected]
Format is: MSG <Transaction ID> <Type of ACK required> <length of message in bytes>
Transaction ID is used to correlate server responses to client requests.
2.
MSG [email protected] I%20am%20so%20great 102
MIME-Version: 1.0
Content-Type: text/x-msmsgscontrol
TypingUser: [email protected]
Format is: MSG <Nick> <URL encoded displayname> <length of message in bytes>
"""
length = int(items[-1])
start = fd.tell()
end = start + length
if "@" in items[1]:
## Its type 2 (see above)
sender_name = "(%s)" % HTML.url_unquote(items[2])
else:
## Its type 1
sender_name = ''
sender = fd.client_id
ct = ''
while 1:
line = fd.readline().strip()
if not line: break
header, value = line.split(":",1)
header = header.lower()
if header == 'typinguser':
fd.client_id = fd.reverse.dest_id = value.strip()
elif header == 'content-type':
ct = value
## Update the start to be start start of this line
start = fd.tell()
fd.seek(end - start, 1)
## We only care about text messages here
if end > start and 'text/plain' in ct:
## Lets find out the timestamp of this point
CacheManager.urn_insert_to_table(fd.urn, "msn_session",
dict(session_id = self.session_id,
_time = "from_unixtime(%s)" % fd.current_packet.ts_sec,
offset = start,
length = end - start,
sender = fd.client_id,
recipient = fd.dest_id,
type = 'MESSAGE',
))
def MSG(self, items, fd, scanners):
""" Sends message to members of the current session
There are two types of messages that may be sent:
1) A message from the client to the message server.
This does not contain the nick of the client, but does contain a
transaction ID. This message is sent to all users in the
current session.
2) A message from the Switchboard server to the client contains
the nick of the sender.
These two commands are totally different.
1.
MSG 1532 U 92
MIME-Version: 1.0
Content-Type: text/x-msmsgscontrol
TypingUser: [email protected]
Format is: MSG <Transaction ID> <Type of ACK required> <length of message in bytes>
Transaction ID is used to correlate server responses to client requests.
2.
MSG [email protected] I%20am%20so%20great 102
MIME-Version: 1.0
Content-Type: text/x-msmsgscontrol
TypingUser: [email protected]
Format is: MSG <Nick> <URL encoded displayname> <length of message in bytes>
"""
length = int(items[-1])
start = fd.tell()
end = start + length
if "@" in items[1]:
## Its type 2 (see above)
sender_name = "(%s)" % HTML.url_unquote(items[2])
else:
## Its type 1
sender_name = ''
sender = fd.client_id
ct = ''
while 1:
line = fd.readline().strip()
if not line: break
header, value = line.split(":", 1)
header = header.lower()
if header == 'typinguser':
fd.client_id = fd.reverse.dest_id = value.strip()
elif header == 'content-type':
ct = value
## Update the start to be start start of this line
start = fd.tell()
fd.seek(end - start, 1)
## We only care about text messages here
if end > start and 'text/plain' in ct:
## Lets find out the timestamp of this point
CacheManager.urn_insert_to_table(
fd.urn, "msn_session",
dict(
session_id=self.session_id,
_time="from_unixtime(%s)" % fd.current_packet.ts_sec,
offset=start,
length=end - start,
sender=fd.client_id,
recipient=fd.dest_id,
type='MESSAGE',
))
