def handle(self):
DATOS = []
for line in self.rfile:
DATOS.append(line.decode('utf-8'))
datx = DATOS[0].split(' ')
if ('sip:' not in datx[1] or '@' not in datx[1]
or datx[2] != 'SIP/2.0\r\n'):
msend = 'SIP/2.0 400 Bad Request\r\n\r\n'
uaclient.CLog(
'Sent to ' + self.dicdb[datx[1].split(':')][1] + ':' +
int(self.dicdb[datx[1].split(':')][2]) + ': ' + msend + '\r\n',
datosxml[2]['path'])
self.wfile.write(bytes(msend, 'utf-8'))
else:
if DATOS[0].split(' ')[0] == 'REGISTER':
self.Register(DATOS)
elif DATOS[0].split(' ')[0] == 'INVITE':
self.Invite(DATOS)
elif DATOS[0].split(' ')[0] == 'ACK':
self.Ack(DATOS)
elif DATOS[0].split(' ')[0] == 'BYE':
self.Bye(DATOS)
else:
msend = 'SIP/2.0 405 Method Not Allowed\r\n\r\n'
uaclient.CLog(
'Sent to ' + self.dicdb[username][1] + ':' +
int(self.dicdb[username][2]) + ': ' + msend + '\r\n',
datosxml[2]['path'])
self.wfile.write(bytes(msend, 'utf-8'))
def Bye(self, data):
'''
Funcion para reenviar el Bye al server y reeenvio el 200
'''
datosxml = proxy_parser_xml(sys.argv[1])
user = data[0].split(':')[1].split(' ')[0]
if user in self.dicdb:
with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as my_socket:
my_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
my_socket.connect(
(self.dicdb[user][1], int(self.dicdb[user][2])))
msend = ''.join(data)
uaclient.CLog(
'Sent to ' + self.dicdb[user][1] + ':' +
str(self.dicdb[user][2]) + ': ' + msend + '\r\n',
datosxml[2]['path'])
my_socket.send(bytes(msend, 'utf-8') + b'\r\n')
msend = my_socket.recv(1024).decode('utf-8')
uaclient.CLog(
'Received from 127.0.0.1:6003: ' + msend + '\r\n',
datosxml[2]['path'])
self.wfile.write(bytes(msend, 'utf-8'))
else: # 404 User not found
msend = 'SIP/2.0 404 User Not Found' + '\r\n'
uaclient.CLog(
'Sent to ' + self.dicdb[user][1] + ':' +
str(self.dicdb[user][2]) + ': ' + msend + '\r\n',
datosxml[2]['path'])
self.wfile.write(bytes(msend, 'utf-8'))
def handle(self):
DATOS = []
DATAXML = uaclient.parser_xml(sys.argv[1])
DATAXML[1]['ip'] = '127.0.0.1'
for line in self.rfile:
DATOS.append(line.decode('utf-8'))
uaclient.CLog(
'Received from ' + DATAXML[3]['ip'] + ':' + DATAXML[3]['puerto'] +
': ' + '\r\n'.join(DATOS), DATAXML[4]['path'])
if DATOS[0].split(' ')[0] == 'INVITE':
msend = ('SIP/2.0 100 Trying\r\n\r\n' +
'SIP/2.0 180 Ringing\r\n\r\n' + 'SIP/2.0 200 OK\r\n\r\n' +
'Content-Type: application/sdp\r\n\r\n' + 'v=0\r\n' +
'o=' + DATAXML[0]['username'] + ' ' + DATAXML[1]['ip'] +
'\r\n' + 's=mysession\r\n' + 't=0\r\n' + 'm=audio ' +
str(DATAXML[2]['puerto']) + ' RTP\r\n')
uaclient.CLog(
'Sent to ' + DATAXML[3]['ip'] + ':' + DATAXML[3]['puerto'] +
': ' + msend, DATAXML[4]['path'])
self.wfile.write(bytes(msend, 'utf-8'))
elif DATOS[0].split(' ')[0] == 'ACK':
os.system('./mp32rtp -i ' + DATAXML[1]['ip'] + ' -p ' +
DATAXML[2]['puerto'] + ' < ' + DATAXML[5]['path'])
elif DATOS[0].split(' ')[0] == 'BYE':
msend = 'SIP/2.0 200 OK\r\n\r\n'
uaclient.CLog(
'Sent to ' + DATAXML[3]['ip'] + ':' + DATAXML[3]['puerto'] +
': ' + msend, DATAXML[4]['path'])
self.wfile.write(bytes(msend, 'utf-8'))
def Register(self, data):
'''
Funcion para el register
'''
nonce = '767676'
user = data[0].split(':')[1]
userip = self.client_address[0]
userport = data[0].split(' ')[1].split(':')[2]
userdate = time.time()
userexp = data[1].split(':')[1][1:]
uslist = [user, userip, userport, userdate, userexp]
if user in self.dicdb: # usuario ya está en el diccionario
msend = 'SIP/2.0 200 OK\r\n\r\n'
uaclient.CLog('Sent to ' + userip + ':' + userport + ': ' + msend,
datosxml[2]['path'])
self.wfile.write(bytes(msend, 'utf-8'))
self.dicdb[user][3] = userdate
self.dicdb[user][4] = userexp
UserDatabase(self.dicdb, self.dbpath)
else:
try:
if data[3].split(':')[0] == 'Authorization':
passin = self.datosxml[1]['passwdpath']
password = ReadPassword(passin, user)
h = hashlib.sha1(bytes(password, 'utf-8'))
h.update(bytes(nonce, 'utf-8'))
# comprobamos que las claves son las correctas
pswd = data[3].split('=')[1].split('\r')[0][1:-1]
if pswd == h.hexdigest():
msend = 'SIP/2.0 200 OK\r\n\r\n'
uaclient.CLog(
'Sent to ' + userip + ':' + userport + ': ' +
msend, datosxml[2]['path'])
self.wfile.write(bytes(msend, 'utf-8'))
self.dicdb[user] = uslist
UserDatabase(self.dicdb, self.dbpath)
except IndexError:
msend = ('SIP/2.0 401 Unauthorized' + '\r\n' +
'WWW Authenticate: Digest nonce="' + nonce + '"' +
'\r\n\r\n')
uaclient.CLog(
'Sent to ' + userip + ':' + userport + ': ' + msend,
datosxml[2]['path'])
self.wfile.write(bytes(msend, 'utf-8'))
def Ack(self, data):
'''
Funcion para reenviar el Ack al server
'''
datosxml = proxy_parser_xml(sys.argv[1])
user = data[0].split(':')[1].split(' ')[0]
with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as my_socket:
my_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
my_socket.connect((self.dicdb[user][1], int(self.dicdb[user][2])))
msend = ''.join(data)
uaclient.CLog(
'Sent to ' + self.dicdb[user][1] + ':' +
str(self.dicdb[user][2]) + ': ' + msend + '\r\n',
datosxml[2]['path'])
my_socket.send(bytes(msend, 'utf-8') + b'\r\n')
else:
msend = 'SIP/2.0 405 Method Not Allowed\r\n\r\n'
uaclient.CLog(
'Sent to ' + self.dicdb[username][1] + ':' +
int(self.dicdb[username][2]) + ': ' + msend + '\r\n',
datosxml[2]['path'])
self.wfile.write(bytes(msend, 'utf-8'))
if __name__ == '__main__':
if len(sys.argv) != 2:
sys.exit('Usage: python3 proxy_registrar.py config')
datosxml = proxy_parser_xml(sys.argv[1])
username = datosxml[0]['name']
if username == '':
username = '******'
proxyip = datosxml[0]['ip']
if proxyip == '':
proxyip = '127.0.0.1'
proxyport = datosxml[0]['puerto']
uaclient.CLog('Starting...', datosxml[2]['path'])
try:
serv = socketserver.UDPServer((proxyip, int(proxyport)), PHandler)
print('Server ' + username + ' listening at port ' + proxyport + '...')
serv.serve_forever()
except KeyboardInterrupt:
print('Finalizado servidor proxy')
uaclient.CLog('Finishing.', datosxml[2]['path'])
uaclient.CLog(
'Sent to ' + DATAXML[3]['ip'] + ':' + DATAXML[3]['puerto'] +
': ' + msend, DATAXML[4]['path'])
self.wfile.write(bytes(msend, 'utf-8'))
elif DATOS[0].split(' ')[0] == 'ACK':
os.system('./mp32rtp -i ' + DATAXML[1]['ip'] + ' -p ' +
DATAXML[2]['puerto'] + ' < ' + DATAXML[5]['path'])
elif DATOS[0].split(' ')[0] == 'BYE':
msend = 'SIP/2.0 200 OK\r\n\r\n'
uaclient.CLog(
'Sent to ' + DATAXML[3]['ip'] + ':' + DATAXML[3]['puerto'] +
': ' + msend, DATAXML[4]['path'])
self.wfile.write(bytes(msend, 'utf-8'))
if __name__ == '__main__':
if len(sys.argv) != 2:
sys.exit('Usage: python3 uaserver.py config')
DATAXML = uaclient.parser_xml(sys.argv[1])
DATAXML[1]['ip'] = '127.0.0.1'
PORT = DATAXML[1]['puerto']
uaclient.CLog('Starting...', DATAXML[4]['path'])
try:
serv = socketserver.UDPServer((DATAXML[1]['ip'], int(PORT)), SHandler)
print('Listening...')
serv.serve_forever()
except KeyboardInterrupt:
uaclient.CLog('Finishing.', DATAXML[4]['path'])
print('Finalizado uaserver')