Latest git pull: inbox doesn't update

BM-2cWy7cvHoq3f1rYMerRJp8PT653jjSuEdY
Jun 14 10:37 [raw]

I noticed that in the latest git pull the inbox doesn't update when new messages arrive. If I select another folder then back to the inbox it's updated with the new messages.

BM-NBctD2fu6pS7M21x5CrkFkkQ25kSvy6M
Jun 15 00:50 [raw]

Yes. This is indicative of an exploit. The vulnerability being exploited is that PyBitmessage does not accept inv messages with exactly 50,000 entries despite generating such messages itself. This results in high connection churn, increased transfers (hundreds of megabytes an hour), increased CPU and memory usage, message propagation delays with the possibility of messages not being propagated at all. This bug has been present ever since the network subsystem was rewritten. The following patch fixes the bug that causes rejection of inv message with exactly 50,000 items and also adds a compatibility fix so that 50,000 entry inv messages are not generated thus avoiding triggering the bug in remote nodes that haven't applied the patch. diff --git a/src/network/bmproto.py b/src/network/bmproto.py index aff6cd0..1f1c67b 100644 --- a/src/network/bmproto.py +++ b/src/network/bmproto.py @@ -300,7 +300,7 @@ class BMProto(AdvancedDispatcher, ObjectTracker): def _command_inv(self, dandelion=False): items = self.decode_payload_content("l32s") - if len(items) >= BMProto.maxObjectCount: + if len(items) > BMProto.maxObjectCount: logger.error("Too many items in %sinv message!", "d" if dandelion else "") raise BMProtoExcessiveDataError() else: diff --git a/src/network/tcp.py b/src/network/tcp.py index 163cbd8..c543ac4 100644 --- a/src/network/tcp.py +++ b/src/network/tcp.py @@ -180,7 +180,10 @@ class TCPConnection(BMProto, TLSDispatcher): for hash, storedValue in bigInvList.items(): payload += hash objectCount += 1 - if objectCount >= BMProto.maxObjectCount: + # Remove -1 below when sufficient time has passed for users to + # upgrade to versions of PyBitmessage that accept inv with 50,000 + # items + if objectCount >= BMProto.maxObjectCount - 1: sendChunk() payload = b'' objectCount = 0

BM-NBctD2fu6pS7M21x5CrkFkkQ25kSvy6M
Jun 15 03:44 [raw]

This patch undoes the conversion to any()/all() conditionals, reverting to the much faster (and IMO prettier format-wise) lazily-evaluated conditionals which should resolve any bugs caused by the premature optimization attempt. diff --git a/src/bitmessageqt/__init__.py b/src/bitmessageqt/__init__.py index 940a0dc..6cce6c3 100644 --- a/src/bitmessageqt/__init__.py +++ b/src/bitmessageqt/__init__.py @@ -2509,18 +2509,14 @@ class MyForm(settingsmixin.SMainWindow): # pylint: disable=too-many-public-meth treeWidget = self.widgetConvert(sent) if self.getCurrentFolder(treeWidget) != "sent": continue - if all( - [ - treeWidget == self.ui.treeWidgetYourIdentities, - self.getCurrentAccount(treeWidget) not in (fromAddress, None, False), - ] + if ( + treeWidget == self.ui.treeWidgetYourIdentities + and self.getCurrentAccount(treeWidget) not in (fromAddress, None, False) ): continue - elif all( - [ - treeWidget in [self.ui.treeWidgetSubscriptions, self.ui.treeWidgetChans], - self.getCurrentAccount(treeWidget) != toAddress, - ] + elif ( + treeWidget in [self.ui.treeWidgetSubscriptions, self.ui.treeWidgetChans] + and self.getCurrentAccount(treeWidget) != toAddress ): continue elif not helper_search.check_match( @@ -2565,12 +2561,10 @@ class MyForm(settingsmixin.SMainWindow): # pylint: disable=too-many-public-meth self.getCurrentSearchLine(tab), ): continue - if all( - [ - tableWidget == inbox, - self.getCurrentAccount(treeWidget) == acct.address, - self.getCurrentFolder(treeWidget) in ["inbox", None], - ] + if ( + tableWidget == inbox + and self.getCurrentAccount(treeWidget) == acct.address + and self.getCurrentFolder(treeWidget) in ["inbox", None] ): ret = self.addMessageListItemInbox( inbox, @@ -2582,12 +2576,10 @@ class MyForm(settingsmixin.SMainWindow): # pylint: disable=too-many-public-meth time.time(), 0, ) - elif treeWidget == all( - [ - self.ui.treeWidgetYourIdentities, - self.getCurrentAccount(treeWidget) is None, - self.getCurrentFolder(treeWidget) in ["inbox", "new", None] - ] + elif ( + treeWidget == self.ui.treeWidgetYourIdentities + and self.getCurrentAccount(treeWidget) is None + and self.getCurrentFolder(treeWidget) in ["inbox", "new", None] ): ret = self.addMessageListItemInbox( tableWidget, @@ -2612,17 +2604,12 @@ class MyForm(settingsmixin.SMainWindow): # pylint: disable=too-many-public-meth unicode(acct.fromLabel, 'utf-8')), sound.SOUND_UNKNOWN ) - if any( - [ - all( - [ - self.getCurrentAccount() is not None, - self.getCurrentFolder(treeWidget) != "inbox", # pylint: disable=undefined-loop-variable - self.getCurrentFolder(treeWidget) is not None, # pylint: disable=undefined-loop-variable - ] - ), - self.getCurrentAccount(treeWidget) != acct.address # pylint: disable=undefined-loop-variable - ] + if ( + self.getCurrentAccount() is not None + and ( + self.getCurrentFolder(treeWidget) not in ("inbox", None) # pylint: disable=undefined-loop-variable + or self.getCurrentAccount(treeWidget) != acct.address # pylint: disable=undefined-loop-variable + ) ): # Ubuntu should notify of new message irespective of # whether it's in current message list or not @@ -2789,13 +2776,9 @@ class MyForm(settingsmixin.SMainWindow): # pylint: disable=too-many-public-meth upnpThread = upnp.uPnPThread() upnpThread.start() - if all( - [ - BMConfigParser().get( - 'bitmessagesettings', - 'socksproxytype') == 'none', - self.settingsDialogInstance.ui.comboBoxProxyType.currentText()[0:5] == 'SOCKS', - ] + if ( + BMConfigParser().get('bitmessagesettings', 'socksproxytype') == 'none' + and self.settingsDialogInstance.ui.comboBoxProxyType.currentText()[0:5] == 'SOCKS' ): if shared.statusIconColor != 'red': QtGui.QMessageBox.about( @@ -2808,11 +2791,9 @@ class MyForm(settingsmixin.SMainWindow): # pylint: disable=too-many-public-meth ("Bitmessage will use your proxy from now on but you may want to manually restart " "Bitmessage now to close existing connections (if any)."))) - if all( - [ - BMConfigParser().get('bitmessagesettings', 'socksproxytype')[0:5] == 'SOCKS', - self.settingsDialogInstance.ui.comboBoxProxyType.currentText()[0:5] != 'SOCKS', - ] + if ( + BMConfigParser().get('bitmessagesettings', 'socksproxytype')[0:5] == 'SOCKS' + and self.settingsDialogInstance.ui.comboBoxProxyType.currentText()[0:5] != 'SOCKS' ): self.statusbar.clearMessage() state.resetNetworkProtocolAvailability() # just in case we changed something in the network connectivity @@ -2879,11 +2860,9 @@ class MyForm(settingsmixin.SMainWindow): # pylint: disable=too-many-public-meth acceptableDifficultyChanged = False - if any( - [ - float(self.settingsDialogInstance.ui.lineEditMaxAcceptableTotalDifficulty.text()) >= 1, - float(self.settingsDialogInstance.ui.lineEditMaxAcceptableTotalDifficulty.text()) == 0, - ] + if ( + float(self.settingsDialogInstance.ui.lineEditMaxAcceptableTotalDifficulty.text()) >= 1 + or float(self.settingsDialogInstance.ui.lineEditMaxAcceptableTotalDifficulty.text()) == 0 ): if BMConfigParser().get( 'bitmessagesettings', @@ -2901,11 +2880,9 @@ class MyForm(settingsmixin.SMainWindow): # pylint: disable=too-many-public-meth self.settingsDialogInstance.ui.lineEditMaxAcceptableTotalDifficulty.text() ) * defaults.networkDefaultProofOfWorkNonceTrialsPerByte))) - if any( - [ - float(self.settingsDialogInstance.ui.lineEditMaxAcceptableSmallMessageDifficulty.text()) >= 1, - float(self.settingsDialogInstance.ui.lineEditMaxAcceptableSmallMessageDifficulty.text()) == 0, - ] + if ( + float(self.settingsDialogInstance.ui.lineEditMaxAcceptableSmallMessageDifficulty.text()) >= 1 + or float(self.settingsDialogInstance.ui.lineEditMaxAcceptableSmallMessageDifficulty.text()) == 0 ): if BMConfigParser().get( 'bitmessagesettings', @@ -2932,11 +2909,9 @@ class MyForm(settingsmixin.SMainWindow): # pylint: disable=too-many-public-meth # start:UI setting to stop trying to send messages after X days/months # I'm open to changing this UI to something else if someone has a better idea. - if all( - [ - self.settingsDialogInstance.ui.lineEditDays.text() == '', - self.settingsDialogInstance.ui.lineEditMonths.text() == '', - ] + if ( + self.settingsDialogInstance.ui.lineEditDays.text() == '' + and self.settingsDialogInstance.ui.lineEditMonths.text() == '' ): # We need to handle this special case. Bitmessage has its default behavior. The input is blank/blank BMConfigParser().set('bitmessagesettings', 'stopresendingafterxdays', '') BMConfigParser().set('bitmessagesettings', 'stopresendingafterxmonths', '') @@ -2956,11 +2931,9 @@ class MyForm(settingsmixin.SMainWindow): # pylint: disable=too-many-public-meth if lineEditMonthsIsValidFloat and not lineEditDaysIsValidFloat: self.settingsDialogInstance.ui.lineEditDays.setText("0") if lineEditDaysIsValidFloat or lineEditMonthsIsValidFloat: - if all( - [ - float(self.settingsDialogInstance.ui.lineEditDays.text()) >= 0, - float(self.settingsDialogInstance.ui.lineEditMonths.text()) >= 0, - ] + if ( + float(self.settingsDialogInstance.ui.lineEditDays.text()) >= 0 + and float(self.settingsDialogInstance.ui.lineEditMonths.text()) >= 0 ): shared.maximumLengthOfTimeToBotherResendingMessages = sum( float(str(self.settingsDialogInstance.ui.lineEditDays.text())) * 24 * 60 * 60, @@ -4289,17 +4262,13 @@ class MyForm(settingsmixin.SMainWindow): # pylint: disable=too-many-public-meth myAddress = tableWidget.item(currentRow, 0).data(QtCore.Qt.UserRole) otherAddress = tableWidget.item(currentRow, 1).data(QtCore.Qt.UserRole) account = accountClass(myAddress) - if all( - [ - isinstance(account, GatewayAccount), - otherAddress == account.relayAddress, - any( - [ - currentColumn in [0, 2] and self.getCurrentFolder() == "sent", - currentColumn in [1, 2] and self.getCurrentFolder() != "sent", - ] - ), - ] + if ( + isinstance(account, GatewayAccount) + and otherAddress == account.relayAddress + and ( + currentColumn in [0, 2] and self.getCurrentFolder() == "sent" + or currentColumn in [1, 2] and self.getCurrentFolder() != "sent" + ) ): text = str(tableWidget.item(currentRow, currentColumn).label) @@ -4644,12 +4613,10 @@ class MyForm(settingsmixin.SMainWindow): # pylint: disable=too-many-public-meth if column != 0: return # only account names of normal addresses (no chans/mailinglists) - if any( - [ - not isinstance(item, Ui_AddressWidget), - not self.getCurrentTreeWidget(), - self.getCurrentTreeWidget().currentItem() is None, - ] + if ( + not isinstance(item, Ui_AddressWidget) + or not self.getCurrentTreeWidget() + or self.getCurrentTreeWidget().currentItem() is None ): return @@ -4719,11 +4686,9 @@ class MyForm(settingsmixin.SMainWindow): # pylint: disable=too-many-public-meth if tableWidget.item(currentRow, 0).unread is True: self.updateUnreadStatus(tableWidget, currentRow, msgid) # propagate - if all( - [ - folder != 'sent', - sqlExecute('''UPDATE inbox SET read=1 WHERE msgid=? AND read=0''', msgid) > 0, - ] + if ( + folder != 'sent' + and sqlExecute('''UPDATE inbox SET read=1 WHERE msgid=? AND read=0''', msgid) > 0 ): self.propagateUnreadCount()

BM-NBTqk3386Tx8sXJp7UmVZKLLoGZ6eX1B
Jun 15 03:55 [raw]

Uhh... what?

[chan] bitmessage
BM-2cWy7cvHoq3f1rYMerRJp8PT653jjSuEdY

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