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
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
#!@PYTHON@
# -*-python-*-
# This file is part of avahi.
#
# avahi is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# avahi 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 Lesser General Public
# License along with avahi; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA.
import sys, getopt, os
try:
import avahi, gobject, dbus
except ImportError:
print "Sorry, to use this tool you need to install Avahi and python-dbus."
sys.exit(1)
try:
import dbus.glib
except ImportError:
pass
urlproto = { "_http._tcp" : "http", "_https._tcp" : "https", "_ftp._tcp" : "ftp" }
port = 8080
address = "127.0.0.1"
use_host_names = None
use_CGI = None
domain = "local"
timeout = 3000
class AvahiBookmarks:
services = {}
def __init__(self, use_host_names):
self.bus = dbus.SystemBus()
self.server = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER), avahi.DBUS_INTERFACE_SERVER)
self.version_string = self.server.GetVersionString()
self.browse_service_type("_http._tcp")
self.browse_service_type("_https._tcp")
self.browse_service_type("_ftp._tcp")
if use_host_names is None:
try:
self.use_host_names = self.server.IsNSSSupportAvailable()
except:
self.use_host_names = False
else:
self.use_host_names = use_host_names
def browse_service_type(self, stype):
global domain, use_CGI
browser = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, self.server.ServiceBrowserNew(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, stype, domain, dbus.UInt32(0))), avahi.DBUS_INTERFACE_SERVICE_BROWSER)
browser.connect_to_signal('ItemNew', self.new_service)
browser.connect_to_signal('ItemRemove', self.remove_service)
if use_CGI:
browser.connect_to_signal('AllForNow', self.all_for_now)
def find_path(self, txt):
l = avahi.txt_array_to_string_array(txt)
for k in l:
if k[:5] == "path=":
if k[5:].startswith("/"):
return k[5:]
else:
return "/" + k[5:]
return "/"
def render_html(self):
global domain
t = '<html><head><title>%s Zeroconf Bookmarks</title></head><body><h1>%s Zeroconf Bookmarks</h1>' % (domain, domain)
if len(self.services) == 0:
t += '<p>Sorry, no Zeroconf web services have been registered on the %s domain.</p>' % domain
else:
t += '<ul style="padding: 0px; margin: 20px; list-style-type: none">'
for k, v in self.services.iteritems():
if v[3] == 80:
port = ''
else:
port = ':%i' % v[3]
path = self.find_path(v[4])
t += '<li><a href="%s://%s%s%s">%s</a></li>' % (urlproto[k[3]], v[2], port, path, k[2])
t += '</ul>'
t += '<hr noshade/><p style="font-size: 8; font-family: sans-serif">Served by %s</p></body></html>' % self.version_string
return str(t)
def new_service(self, interface, protocol, name, type, domain, flags):
interface, protocol, name, type, domain, host, aprotocol, address, port, txt, flags = self.server.ResolveService(interface, protocol, name, type, domain, avahi.PROTO_UNSPEC, dbus.UInt32(0))
if self.use_host_names:
h = host
else:
if aprotocol == avahi.PROTO_INET6:
h = "[" + address + "]"
else:
h = address
self.services[(interface, protocol, name, type, domain)] = (host, aprotocol, h, port, txt)
def remove_service(self, interface, protocol, name, type, domain):
del self.services[(interface, protocol, name, type, domain)]
# Only reachable with use_CGI
def all_for_now(self):
mainloop.quit()
def usage(retval = 0):
print "%s [options]\n" % sys.argv[0]
print " -h --help Show this help"
print " -c --cgi Run as a CGI instead of as a server (default to server"
print " unless environment variable GATEWAY_INTERFACE is set)"
print " -t --timeout MS Specify the max time for CGI browsing (default %u)" % timeout
print " -p --port PORT Specify the port to use (default %u)" % port
print " -a --address ADDRESS Specify the address to bind to (default %s)" % address
print " -H --host-names Show links with real hostnames"
print " -A --addresses Show links with numeric IP addresses"
print " -d --domain DOMAIN Specify the domain to browse"
sys.exit(retval)
try:
opts, args = getopt.getopt(sys.argv[1:], "hct:p:a:HAd:", ["help", "cgi", "port=", "timeout=", "address=", "host-names", "addresses", "domain="])
except getopt.GetoptError:
usage(2)
for o, a in opts:
if o in ("-h", "--help"):
usage()
if o in ("-c", "--cgi"):
use_CGI = True
if o in ("-t", "--timeout"):
timeout = int(a)
if o in ("-p", "--port"):
port = int(a)
if o in ("-a", "--address"):
address = a
if o in ("-H", "--host-names"):
use_host_names = True
if o in ("-A", "--addresses"):
use_host_names = False
if o in ("-d", "--domain"):
domain = a
if use_CGI is None:
use_CGI = os.environ.has_key("GATEWAY_INTERFACE")
if use_CGI:
cgi = AvahiBookmarks(use_host_names)
mainloop = gobject.MainLoop()
gobject.timeout_add(timeout, mainloop.quit)
try:
mainloop.run()
except KeyboardInterrupt:
pass
print 'Content-type: text/html\n\n' + cgi.render_html()
else:
try:
from twisted.internet import glib2reactor
glib2reactor.install()
from twisted.internet import reactor
from twisted.web import server, resource
except ImportError:
print "Sorry, to use this tool as a server you need to install twisted and twisted.web.\n"
sys.exit(1)
class AvahiBookmarksServer(AvahiBookmarks, resource.Resource):
isLeaf = True
def __init__(self, use_host_names):
resource.Resource.__init__(self)
AvahiBookmarks.__init__(self, use_host_names)
def render_GET(self, request):
return self.render_html()
site = server.Site(AvahiBookmarksServer(use_host_names))
reactor.listenTCP(port, site, interface=address)
print "Now point your web browser to http://%s:%u/!" % (address, port)
try:
reactor.run()
except KeyboardInterrupt:
pass
|
