/usr/share/hplip/base/slp.py is in hplip-data 3.16.3+repack0-1.
This file is owned by root:root, with mode 0o644.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 | # -*- coding: utf-8 -*-
#
# (c) Copyright 2003-2015 HP Development Company, L.P.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Author: Don Welch
#
# Std Lib
import sys
import time
import socket
import select
import struct
import random
import re
# Local
from .g import *
from . import utils
from .sixext import to_bytes_utf8, to_unicode, to_string_utf8
prod_pat = re.compile(r"""\(\s*x-hp-prod_id\s*=\s*(.*?)\s*\)""", re.IGNORECASE)
mac_pat = re.compile(r"""\(\s*x-hp-mac\s*=\s*(.*?)\s*\)""", re.IGNORECASE)
num_port_pat = re.compile(r"""\(\s*x-hp-num_port\s*=\s*(.*?)\s*\)""", re.IGNORECASE)
ip_pat = re.compile(r"""\(\s*x-hp-ip\s*=\s*(.*?)\s*\)""", re.IGNORECASE)
p1_pat = re.compile(r"""\(\s*x-hp-p1\s*=(?:\d\)|\s*(.*?)\s*\))""", re.IGNORECASE)
p2_pat = re.compile(r"""\(\s*x-hp-p2\s*=(?:\d\)|\s*(.*?)\s*\))""", re.IGNORECASE)
p3_pat = re.compile(r"""\(\s*x-hp-p3\s*=(?:\d\)|\s*(.*?)\s*\))""", re.IGNORECASE)
hn_pat = re.compile(r"""\(\s*x-hp-hn\s*=\s*(.*?)\s*\)""", re.IGNORECASE)
def createSocketsWithsetOption(ttl=4):
s=None
try:
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
x = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
x.connect(('1.2.3.4', 56))
intf = x.getsockname()[0]
x.close()
s.setblocking(0)
ttl = struct.pack('B', ttl)
except socket.error:
log.error("Network error")
if s:
s.close()
return None
try:
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
except (AttributeError, socket.error):
pass
try:
s.setsockopt(socket.SOL_IP, socket.IP_MULTICAST_TTL, ttl)
s.setsockopt(socket.SOL_IP, socket.IP_MULTICAST_IF, socket.inet_aton(intf) + socket.inet_aton('0.0.0.0'))
s.setsockopt(socket.SOL_IP, socket.IP_MULTICAST_LOOP ,1)
except Exception as e:
log.error("Unable to setup multicast socket for SLP: %s" % e)
if s:
s.close()
return None
return s
def detectNetworkDevices(ttl=4, timeout=10): #, xid=None, qappobj = None):
mcast_addr, mcast_port ='224.0.1.60', 427
found_devices = {}
s = createSocketsWithsetOption(ttl)
if not s:
return {}
packet = b''.join([to_bytes_utf8('\x01\x06\x00\x2c\x00\x00\x65\x6e\x00\x03'),
struct.pack('!H', random.randint(1, 65535)), to_bytes_utf8('\x00\x00\x00\x18service:x-hpnp-discover:\x00\x00\x00\x00')])
try:
s.sendto(packet, 0, (mcast_addr, mcast_port))
except socket.error as e:
log.error("Unable to send broadcast SLP packet: %s" % e)
time_left = timeout
while time_left > 0:
start_time = time.time()
r, w, e = select.select([s], [], [s], time_left)
time_left -= (time.time() - start_time)
if not r: continue
data, addr = s.recvfrom(2048)
update_spinner()
log.log_data(data, width=32)
try:
ver, func, length, flags, dialect, lang_code, char_encode, recv_xid, status_code, attr_length = \
struct.unpack("!BBHBBHHHHH", data[:16])
x = struct.unpack("!%ds" % attr_length, data[16:])[0].strip()
except struct.error:
continue
x= to_string_utf8(x)
try:
num_ports = int(num_port_pat.search(x).group(1))
except (AttributeError, ValueError):
num_ports = 1
if num_ports == 0: # Embedded devices
num_ports = 1
y = {'num_devices' : 0, 'num_ports': num_ports, 'product_id' : '',
'status_code': 0, 'device2': '0', 'device3': '0', 'note': '', 'device1': '0'}
# Check port 1
try:
y['device1'] = p1_pat.search(x).group(1)
except AttributeError:
y['device1'] = '0'
else:
y['num_devices'] += 1
if num_ports > 1: # Check port 2
try:
y['device2'] = p2_pat.search(x).group(1)
except AttributeError:
y['device2'] = '0'
else:
y['num_devices'] += 1
if num_ports > 2: # Check port 3
try:
y['device3'] = p3_pat.search(x).group(1)
except AttributeError:
y['device3'] = '0'
else:
y['num_devices'] += 1
if y['device1'] is None:
y['device1'] = '0'
if y['device2'] is None:
y['device2'] = '0'
if y['device3'] is None:
y['device3'] = '0'
try:
y['product_id'] = prod_pat.search(x).group(1)
except AttributeError:
y['product_id'] = ''
try:
y['mac'] = mac_pat.search(x).group(1)
except AttributeError:
y['mac'] = ''
try:
y['ip'] = ip_pat.search(x).group(1)
except AttributeError:
y['ip'] = ''
try:
y['hn'] = hn_pat.search(x).group(1)
except AttributeError:
y['hn'] = ''
y['status_code'] = status_code
found_devices[addr[0]] = y
log.debug("Found device: %s" % y)
s.close()
return found_devices
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