def _publish(self, ann_t, canary, lp):
self._debug_counts["inbound_message"] += 1
self.log("introducer: announcement published: %s" % (ann_t,), umid="wKHgCw")
ann, key = unsign_from_foolscap(ann_t) # might raise BadSignatureError
index = make_index(ann, key)
service_name = str(ann["service-name"])
if service_name == "stub_client": # for_v1
self._attach_stub_client(ann, lp)
return
old = self._announcements.get(index)
if old:
(old_ann_t, canary, old_ann, timestamp) = old
if old_ann == ann:
self.log("but we already knew it, ignoring", level=log.NOISY, umid="myxzLw")
self._debug_counts["inbound_duplicate"] += 1
return
else:
if "seqnum" in old_ann:
# must beat previous sequence number to replace
if "seqnum" not in ann:
self.log("not replacing old ann, no seqnum", level=log.NOISY, umid="ySbaVw")
self._debug_counts["inbound_no_seqnum"] += 1
return
if ann["seqnum"] <= old_ann["seqnum"]:
self.log(
"not replacing old ann, new seqnum is too old"
" (%s <= %s) (replay attack?)" % (ann["seqnum"], old_ann["seqnum"]),
level=log.UNUSUAL,
umid="sX7yqQ",
)
self._debug_counts["inbound_old_replay"] += 1
return
# ok, seqnum is newer, allow replacement
self.log("old announcement being updated", level=log.NOISY, umid="304r9g")
self._debug_counts["inbound_update"] += 1
self._announcements[index] = (ann_t, canary, ann, time.time())
# if canary:
# canary.notifyOnDisconnect ...
# use a CanaryWatcher? with cw.is_connected()?
# actually we just want foolscap to give rref.is_connected(), since
# this is only for the status display
for s in self._subscribers.get(service_name, []):
self._debug_counts["outbound_message"] += 1
self._debug_counts["outbound_announcements"] += 1
self._debug_outstanding += 1
d = s.callRemote("announce_v2", set([ann_t]))
d.addBoth(self._debug_retired)
d.addErrback(
log.err,
format="subscriber errored on announcement %(ann)s",
ann=ann_t,
facility="tahoe.introducer",
level=log.UNUSUAL,
umid="jfGMXQ",
)
def _process_announcement(self, ann, key_s):
self._debug_counts["inbound_announcement"] += 1
service_name = str(ann["service-name"])
if service_name not in self._subscribed_service_names:
self.log("announcement for a service we don't care about [%s]"
% (service_name,), level=log.UNUSUAL, umid="dIpGNA")
self._debug_counts["wrong_service"] += 1
return
# for ASCII values, simplejson might give us unicode *or* bytes
if "nickname" in ann and isinstance(ann["nickname"], str):
ann["nickname"] = unicode(ann["nickname"])
nick_s = ann.get("nickname",u"").encode("utf-8")
lp2 = self.log(format="announcement for nickname '%(nick)s', service=%(svc)s: %(ann)s",
nick=nick_s, svc=service_name, ann=ann, umid="BoKEag")
# how do we describe this node in the logs?
desc_bits = []
if key_s:
desc_bits.append("serverid=" + key_s[:20])
if "anonymous-storage-FURL" in ann:
tubid_s = get_tubid_string_from_ann(ann)
desc_bits.append("tubid=" + tubid_s[:8])
description = "/".join(desc_bits)
# the index is used to track duplicates
index = make_index(ann, key_s)
# is this announcement a duplicate?
if (index in self._current_announcements
and self._current_announcements[index][0] == ann):
self.log(format="reannouncement for [%(service)s]:%(description)s, ignoring",
service=service_name, description=description,
parent=lp2, level=log.UNUSUAL, umid="B1MIdA")
self._debug_counts["duplicate_announcement"] += 1
return
# does it update an existing one?
if index in self._current_announcements:
self._debug_counts["update"] += 1
self.log("replacing old announcement: %s" % (ann,),
parent=lp2, level=log.NOISY, umid="wxwgIQ")
else:
self._debug_counts["new_announcement"] += 1
self.log("new announcement[%s]" % service_name,
parent=lp2, level=log.NOISY)
self._current_announcements[index] = (ann, key_s, time.time())
# note: we never forget an index, but we might update its value
for (service_name2,cb,args,kwargs) in self._local_subscribers:
if service_name2 == service_name:
eventually(cb, key_s, ann, *args, **kwargs)
def _publish(self, ann_t, canary, lp):
self._debug_counts["inbound_message"] += 1
self.log("introducer: announcement published: %s" % (ann_t, ),
umid="wKHgCw")
ann, key = unsign_from_foolscap(ann_t) # might raise BadSignatureError
index = make_index(ann, key)
service_name = str(ann["service-name"])
if service_name == "stub_client": # for_v1
self._attach_stub_client(ann, lp)
return
old = self._announcements.get(index)
if old:
(old_ann_t, canary, old_ann, timestamp) = old
if old_ann == ann:
self.log("but we already knew it, ignoring",
level=log.NOISY,
umid="myxzLw")
self._debug_counts["inbound_duplicate"] += 1
return
else:
self.log("old announcement being updated",
level=log.NOISY,
umid="304r9g")
self._debug_counts["inbound_update"] += 1
self._announcements[index] = (ann_t, canary, ann, time.time())
#if canary:
# canary.notifyOnDisconnect ...
# use a CanaryWatcher? with cw.is_connected()?
# actually we just want foolscap to give rref.is_connected(), since
# this is only for the status display
for s in self._subscribers.get(service_name, []):
self._debug_counts["outbound_message"] += 1
self._debug_counts["outbound_announcements"] += 1
self._debug_outstanding += 1
d = s.callRemote("announce_v2", set([ann_t]))
d.addBoth(self._debug_retired)
d.addErrback(log.err,
format="subscriber errored on announcement %(ann)s",
ann=ann_t,
facility="tahoe.introducer",
level=log.UNUSUAL,
umid="jfGMXQ")
def _process_announcement(self, ann, key_s):
self._debug_counts["inbound_announcement"] += 1
service_name = str(ann["service-name"])
if service_name not in self._subscribed_service_names:
self.log("announcement for a service we don't care about [%s]"
% (service_name,), level=log.UNUSUAL, umid="dIpGNA")
self._debug_counts["wrong_service"] += 1
return
# for ASCII values, simplejson might give us unicode *or* bytes
if "nickname" in ann and isinstance(ann["nickname"], str):
ann["nickname"] = unicode(ann["nickname"])
nick_s = ann.get("nickname",u"").encode("utf-8")
lp2 = self.log(format="announcement for nickname '%(nick)s', service=%(svc)s: %(ann)s",
nick=nick_s, svc=service_name, ann=ann, umid="BoKEag")
# how do we describe this node in the logs?
desc_bits = []
if key_s:
desc_bits.append("serverid=" + key_s[:20])
if "anonymous-storage-FURL" in ann:
tubid_s = get_tubid_string_from_ann(ann)
desc_bits.append("tubid=" + tubid_s[:8])
description = "/".join(desc_bits)
# the index is used to track duplicates
index = make_index(ann, key_s)
# is this announcement a duplicate?
if (index in self._inbound_announcements
and self._inbound_announcements[index][0] == ann):
self.log(format="reannouncement for [%(service)s]:%(description)s, ignoring",
service=service_name, description=description,
parent=lp2, level=log.UNUSUAL, umid="B1MIdA")
self._debug_counts["duplicate_announcement"] += 1
return
# does it update an existing one?
if index in self._inbound_announcements:
old,_,_ = self._inbound_announcements[index]
if "seqnum" in old:
# must beat previous sequence number to replace
if ("seqnum" not in ann
or not isinstance(ann["seqnum"], (int,long))):
self.log("not replacing old announcement, no valid seqnum: %s"
% (ann,),
parent=lp2, level=log.NOISY, umid="zFGH3Q")
return
if ann["seqnum"] <= old["seqnum"]:
# note that exact replays are caught earlier, by
# comparing the entire signed announcement.
self.log("not replacing old announcement, "
"new seqnum is too old (%s <= %s) "
"(replay attack?): %s"
% (ann["seqnum"], old["seqnum"], ann),
parent=lp2, level=log.UNUSUAL, umid="JAAAoQ")
return
# ok, seqnum is newer, allow replacement
self._debug_counts["update"] += 1
self.log("replacing old announcement: %s" % (ann,),
parent=lp2, level=log.NOISY, umid="wxwgIQ")
else:
self._debug_counts["new_announcement"] += 1
self.log("new announcement[%s]" % service_name,
parent=lp2, level=log.NOISY)
self._inbound_announcements[index] = (ann, key_s, time.time())
# note: we never forget an index, but we might update its value
for (service_name2,cb,args,kwargs) in self._local_subscribers:
if service_name2 == service_name:
eventually(cb, key_s, ann, *args, **kwargs)
def _process_announcement(self, ann, key_s):
self._debug_counts["inbound_announcement"] += 1
service_name = str(ann["service-name"])
if service_name not in self._subscribed_service_names:
self.log("announcement for a service we don't care about [%s]" %
(service_name, ),
level=log.UNUSUAL,
umid="dIpGNA")
self._debug_counts["wrong_service"] += 1
return
# for ASCII values, simplejson might give us unicode *or* bytes
if "nickname" in ann and isinstance(ann["nickname"], str):
ann["nickname"] = unicode(ann["nickname"])
nick_s = ann.get("nickname", u"").encode("utf-8")
lp2 = self.log(
format=
"announcement for nickname '%(nick)s', service=%(svc)s: %(ann)s",
nick=nick_s,
svc=service_name,
ann=ann,
umid="BoKEag")
# how do we describe this node in the logs?
desc_bits = []
if key_s:
desc_bits.append("serverid=" + key_s[:20])
if "anonymous-storage-FURL" in ann:
tubid_s = get_tubid_string_from_ann(ann)
desc_bits.append("tubid=" + tubid_s[:8])
description = "/".join(desc_bits)
# the index is used to track duplicates
index = make_index(ann, key_s)
# is this announcement a duplicate?
if (index in self._current_announcements
and self._current_announcements[index][0] == ann):
self.log(
format=
"reannouncement for [%(service)s]:%(description)s, ignoring",
service=service_name,
description=description,
parent=lp2,
level=log.UNUSUAL,
umid="B1MIdA")
self._debug_counts["duplicate_announcement"] += 1
return
# does it update an existing one?
if index in self._current_announcements:
self._debug_counts["update"] += 1
self.log("replacing old announcement: %s" % (ann, ),
parent=lp2,
level=log.NOISY,
umid="wxwgIQ")
else:
self._debug_counts["new_announcement"] += 1
self.log("new announcement[%s]" % service_name,
parent=lp2,
level=log.NOISY)
self._current_announcements[index] = (ann, key_s, time.time())
# note: we never forget an index, but we might update its value
for (service_name2, cb, args, kwargs) in self._local_subscribers:
if service_name2 == service_name:
eventually(cb, key_s, ann, *args, **kwargs)
def _process_announcement(self, ann, key_s):
self._debug_counts["inbound_announcement"] += 1
service_name = str(ann["service-name"])
if service_name not in self._subscribed_service_names:
self.log("announcement for a service we don't care about [%s]" %
(service_name, ),
level=log.UNUSUAL,
umid="dIpGNA")
self._debug_counts["wrong_service"] += 1
return
# for ASCII values, simplejson might give us unicode *or* bytes
if "nickname" in ann and isinstance(ann["nickname"], str):
ann["nickname"] = unicode(ann["nickname"])
nick_s = ann.get("nickname", u"").encode("utf-8")
lp2 = self.log(
format=
"announcement for nickname '%(nick)s', service=%(svc)s: %(ann)s",
nick=nick_s,
svc=service_name,
ann=ann,
umid="BoKEag")
# how do we describe this node in the logs?
desc_bits = []
if key_s:
desc_bits.append("serverid=" + key_s[:20])
if "anonymous-storage-FURL" in ann:
tubid_s = get_tubid_string_from_ann(ann)
desc_bits.append("tubid=" + tubid_s[:8])
description = "/".join(desc_bits)
# the index is used to track duplicates
index = make_index(ann, key_s)
# is this announcement a duplicate?
if (index in self._inbound_announcements
and self._inbound_announcements[index][0] == ann):
self.log(
format=
"reannouncement for [%(service)s]:%(description)s, ignoring",
service=service_name,
description=description,
parent=lp2,
level=log.UNUSUAL,
umid="B1MIdA")
self._debug_counts["duplicate_announcement"] += 1
return
# does it update an existing one?
if index in self._inbound_announcements:
old, _, _ = self._inbound_announcements[index]
if "seqnum" in old:
# must beat previous sequence number to replace
if ("seqnum" not in ann
or not isinstance(ann["seqnum"], (int, long))):
self.log(
"not replacing old announcement, no valid seqnum: %s" %
(ann, ),
parent=lp2,
level=log.NOISY,
umid="zFGH3Q")
return
if ann["seqnum"] <= old["seqnum"]:
# note that exact replays are caught earlier, by
# comparing the entire signed announcement.
self.log("not replacing old announcement, "
"new seqnum is too old (%s <= %s) "
"(replay attack?): %s" %
(ann["seqnum"], old["seqnum"], ann),
parent=lp2,
level=log.UNUSUAL,
umid="JAAAoQ")
return
# ok, seqnum is newer, allow replacement
self._debug_counts["update"] += 1
self.log("replacing old announcement: %s" % (ann, ),
parent=lp2,
level=log.NOISY,
umid="wxwgIQ")
else:
self._debug_counts["new_announcement"] += 1
self.log("new announcement[%s]" % service_name,
parent=lp2,
level=log.NOISY)
self._inbound_announcements[index] = (ann, key_s, time.time())
self._save_announcements()
# note: we never forget an index, but we might update its value
self._deliver_announcements(key_s, ann)
