I want to send some "raw" RPC commands
For example;
<rpc>
<open-configuration>
<ephemeral-instance>eph1</ephemeral-instance>
</open-configuration>
</rpc>
]]>]]>
im a bit baffled on how to do that, any thoughts?
Something like
with Config(dev, mode='ephemeral', ephemeral_instance='eph1') as cu:
cu.load('set protocols mpls label-switched-path to-hastings to 192.0.2.1', format='set')
cu.commit()
check this doc link for more details
https://www.juniper.net/documentation/en_US/junos-pyez/topics/reference/general/junos-pyez-configuration-process-and-data-formats.html
Related
i am currently trying to implement a „simple“ readonly CALDAV-interface for a system. But the synchronization protocol and the CALDAV-clients give me some headaches.
The main test client i use is the macos-calendar (sierra).
The initial handshake (DAV principle, calendar lookup) and inital load of data is working. I get some REPORT:calendar-query requests.
The issue is the incremental sync after initial load. There are two approaches:
Via WebSync-extension (REPORT:sync-collection and sync-token prop)
my main issue here is that provisioning the sync-token from the server is not trivial in my system. Changes and New data is not an issue, but physical deletion (not yet logged in the user context) and changes in the scope of group- and/or role-assignments. Maybe i need to consider to invalidate in complex cases the sync-token and let the client resetup without sync-collection?
A nasty workaround could be to retain the calendar item IDs send to the client and check on each request for their existence and responds if necessary with a not found per deleted/out of scope calendar item. But this would mean i store client-state on the server which doesnt sound right and might be error prone.
Via basic protocal synchronization (respond to REPORT:calendar-query and propfind (depth=1) requests no webdav-sync active)
this is also working already in principle for new and changed data. But the macos-calendar doesnt remove items which are not part the collection response (propfind with depth=1). According to the protocol the client should determine the deleted items and remove them, but it doesnt do it in my case. Any ideas here?
For my system currently it would be ideal to use this approach though the performance might be not the ideal one.
With ios-Calendar i face another issue:
Initial handshake is somehow working as the requests in the network are coming and are answered.
But than a MKCALENDAR request is coming (instead of a calendar-query or propfind for items) which answer with 403 as i also dont provide it in the Allow-header of the options response. the request looks like this:
MKCALENDAR /services/cal/_userid/220EDB4A-F00C-41C9-B78F-10781BBA77E4/ HTTP/1.1
Host: 127.0.0.1:8003
Content-Type: text/xml
User-Agent: iOS/10.0.1 (14A403) dataaccessd/1.0
<?xml version="1.0" encoding="UTF-8"?>
<B:mkcalendar xmlns:B="urn:ietf:params:xml:ns:caldav">
<A:set xmlns:A="DAV:">
<A:prop>
<B:calendar-free-busy-set>
<NO/>
</B:calendar-free-busy-set>
<D:calendar-order xmlns:D="http://apple.com/ns/ical/">1</D:calendar-order>
<A:displayname>Kalender</A:displayname>
<B:calendar-timezone>BEGIN:VCALENDAR
...deleted....
</B:calendar-timezone>
<B:supported-calendar-component-set>
<B:comp name="VEVENT"/>
</B:supported-calendar-component-set>
</A:prop>
</A:set>
</B:mkcalendar>
Nothing is happening afterwards.
Anyone experiencing this as well? Why ios-calendar tries to do a mkcalendar though i have a calendar-collection as resource-type?
With Thunderbird Lightning:
Initial handshake with the calendar-collection is working
A propfind-and multiget request for items is answered with iCal-Items.
But they are not displayed and in the error log i receive:
Warnung: CalDAV: Get failed: CalDAV: Error: got status 200 fetching calendar data for Debug Proxy, null
(text in german: error code: 0x80004005) Warnung: Fehler beim Lesen von Daten für Kalender: Debug Proxy. Allerdings ist dieser Fehler wahrscheinlich vernachlässigbar, daher versucht das Programm fortzufahren. Fehlercode: 0x80004005. Beschreibung: CalDAV: Error: got status 200 fetching calendar data for Debug Proxy, null
(text in german: error code: READ_FAILED) Warnung: Fehler beim Lesen von Daten für Kalender: Debug Proxy. Allerdings ist dieser Fehler wahrscheinlich vernachlässigbar, daher versucht das Programm fortzufahren. Fehlercode: READ_FAILED. Beschreibung:
http channel Listener OnDataAvailable contract violation
a similiar response is though working in macos-calendar – could it be some encoding issue?
Any hints are highly appreciated!
This is indeed a pretty broad question. But let me try to address some stuff:
Via WebSync-extension (REPORT:sync-collection and sync-token prop) my main issue here is that provisioning the sync-token from the server is not trivial in my system
Even if it is hard for you, you should really try to come up with something here. Even if this means storing some extra info on the server. Sync-collection is way more efficient.
(Idea: Maybe you can at least set a flag when something actually got deleted and only then expire the sync-token?)
Via basic protocal synchronization (respond to REPORT:calendar-query and propfind (depth=1))
Which one, calendar-range-query or PROPFIND? Completely different things ...
this is also working already in principle for new and changed data. But the macos-calendar doesnt remove items which are not part the collection response (propfind with depth=1).
If we are talking about a calendar-range-query, the client cannot proactively delete items since it doesn't know whether they just left the range (vs being deleted).
With PROPFIND it should do this. If you have proof it doesn't, maybe create another question with all the relevant details.
With ios-Calendar i face another issue: ... a MKCALENDAR request is coming ...
This probably means that it can't find the default scheduling calendar, no calendar at all, none with a proper component-type property. Or all the same for todos (Reminders app, same account). What is the payload of the MKCALENDAR?
Hard to diagnose w/o details, if you can't figure it out, ask a specific question on this with all the relevant details included (e.g. the XML you send in response to the home query).
Thunderbird Lightning
Can't say much about this, probably depends a lot on the version and what extensions you are using. AFAIK many people use the ScalableOGo Thunderbird extensions to get proper Cal/CardDAV with Thunderbird.
For Thunderbird/Lightning you may want to turn on calendar.debug.log and calendar.debug.log.verbose in the advanced config editor and restart. You can find it in Options > Advanced > General > Config Editor. This will get you more detailed http requests and information about what failed. You can also hook up the remote debugger and look at the network monitor, or set breakpoints in the code.
With Thunderbird/Lightning please note that we are using a mix of previous and current versions of the webdav-sync draft. I can't say much from the error message as is given it is very general, but it does look like there is something unexpected in the results.
Maybe it makes sense to compare the handshake between an existing server (like sabre/dav) and the client, then see where the difference between your communication and theirs is.
Also, you may be interested in the CalDAVTester from Apple, which checks server interoperability. Note however that it does contain various apple specific tests. The folks at CalConnect are working together with Apple to make it more generally usable and to split out the Apple-specific tests. Given your server is read-only, don't expect everything to work, but you can hunt for fixing specific tests.
In all Diameter implementations I saw, the messages originating from the server is always sent towards the DNS resolved IP address of whats in the Destination-Host AVP. But, in commercial servers, we see an option to configure a DRA or a DEA which takes in all the messages and routes them.
Thus, when it comes to the mobicents diameter stack, this approach is sometimes hard to do. I can anyway re-configure the hosts file so that the message ends up in a DRA/DEA, yet, its a pain. I see no option to send these messages to a central diameter agent which will take care of all the dirty work for me.
The next issue is, if I plan to create such a DRA/DEA, the stack does not accept messages to a different host. Where, the message's Destination-Host parameter might contain a different hostname than ours. (which would be the ultimate destination it needs to go)
Is there a hack to achieve this without meddling with the internals of the jdiameter code and RA code?
If you change jdiameter's config to something like this:
<Network>
<Peers>
<Peer name="aaa://127.0.0.1:21812" attempt_connect="false" rating="1" />
<Peer name="aaa://CUSTOM_HOST:4545" attempt_connect="false" rating="1" />
</Peers>
<Realms>
<Realm name="custom.realm" peers="CUSTOM_HOST" local_action="LOCAL" dynamic="false" exp_time="1">
<ApplicationID>
...
</ApplicationID>
</Realm>
</Realms>
</Network>
In your sbb, then you'll need to create a client session providing your custom realm using this method:
DiameterCCAResourceAdaptor.CreditControlProviderImpl.createClientSession(DiameterIdentity destinationHost, DiameterIdentity destinationRealm)
Example:
ccaRaSbb.createClientSession(null, "custom.realm")
where ccaRaSbb is a CreditControlProvider instance (resource adaptor interface)
finally, when creating your CCR, the method CreditControlClientSession.createCreditControlRequest() will use the session' realm to find an available peer previously configured.
Let me know if this makes sense to you
Posting the method I used to solve this problem.
As it turns out its not possible out of the box to send a diameter message towards a peer which is not configured in the stack's jdiameter-config.xml file.
For me, the option to alter the stack in this case was also not feasible. So I devised a workaround for the problem by co-operating with the DRA we have. (most DRA's should be able to handle this method)
I added two custom AVPs to the outgoing request, namely Ultimate-Destination-Host and Ultimate-Destination-Realm.
In the DRA, I asked the admin to delete my Destination-Host and Destination-Realm AVPs and replace them with the ones created in step 1.
Now, whenever I send a packet destined to other diameter peers outside the configured peer, I target them towards the DRA and set these 'Ultimate' destination AVPs.
Ours is an Oracle DSR which is capable of doing this AVP manipulation. Most commercial ones should be able to handle it. Hope someone who wanted an answer for this question found this useful.
I'm using Wireshark packet analyzer & when I filter for all "Websocket" packets I see what I am sending /receiving to the host. When I check individual packets mine always show as [MASKED], but you can 'Umask Payload' which shows the data in clear text that looks like this:
<IC sid="52ccc752-6080-4668-8f55-662020d83979" msqid="120l93l9l114l30l104"/>
However, if I 'Follow TCP stream & look at that same packet, the data shows up as encoded in some way like this:
....K#....../...y#..|...}...f...s...~...}...{G..r...kN.."G..z...r...'...'...z...d.
The problem is all Websocket packets I receive from the host come as encoded, it is NOT SSL & I can't figure out how to decode them, I have no idea what they are even encoded as (but yet my browser can decode it).
I assume that whatever method they are coming back to me as encoded data is the same method that my data is encoded when I use 'Follow TCP stream'.
Can someone please help me figure out how to decode the data the host is sending me? See host data below
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Client to server data is XORed with a mask (included in the dataframe). Some people suggest this is in order to throw off bad caching mechanisms responding to new websocket requests with server messages from older sessions. The masking makes sure that even messages containing identical data will appear differently to applications that do not understand websockets.
Also note that there are many different size options for the headers themselves.
Refer to RFC 6455 Section 5 which defines the masking/unmasking process for payloads sent from the client to the server.
https://www.rfc-editor.org/rfc/rfc6455
If you find any freeware VBA code to do the job of forming packets let me know! :-)
I am trying to verify the contents of the http response to find a content "abbb" in it.So my rule was
alert tcp MY_SERVER HTTP_PORTS -> any any(msg:"The page accessed has content abbb";to_client; established; content:"abb";sid:XXXXX; rev:x;)
unfortunately this rule seems not to work. Can anyone please tell if there is some issue with my rule.
For starters you need to fix the to_client part of the rule as this is not valid syntax. You will need to change this to be:
flow:to_client,established;
You can find more on flow here.
If you are just looking for the content "abbb" sent from your server to the client then you just need a simple content match like you have. I recommend using the fast pattern matcher here to improve the efficiency of the rule. So your content match would look something like:
content:"abbb"; fast_pattern:only;
Putting this together, your rule might look something like:
alert tcp MY_SERVER HTTP_PORTS -> any any(msg:"The page accessed has content abbb";
flow:to_client,established; content:"abbb"; fast_pattern:only; sid:XXXXX; rev:x;)
If this still isn't triggering then there is probably something else going on. Since you are just looking for this in the content you need to check your inspection depth in the http preprocessor. There is a server_flow_depth and a client_flow_depth. Try setting these to 0 (unlimited) and see if your rule is triggering after. For example if you had a client_flow_depth of 300 and the content "abbb" didn't come until after 500 bytes then the rule is never going to trigger because snort isn't configured to inspect that far into the payload.
If you have adaptive profiling enabled then you need to add the metadata service for http otherwise the rule won't match http traffic. This would look something like:
metadata:service http;
If you don't use adaptive profiling then it will use the ports in the rule header.
I'm placing a SIP call, and the xml looks like this
<Response>
<Dial>
<Sip username="myusername" password="mypass">sip:myext#mydomain.com</Sip>
</Dial>
</Response>
When I look into the SIP packets I see, on the second INVITE
From: "+1XXXXXXXXXX" <sip:+1XXXXXXXXXX#sip.twilio.com>;tag=78774647_6772d868_43fb2951-f4f9-4c80-8377-9bb50e9458ae
And no references to myusername... it looks like Twilio is just not sending it, and using the caller id on the from, which is obviously not recognised by my server. On the Asterisk side, I just see
[Oct 17 19:22:58] NOTICE[9150]: chan_sip.c:22614 handle_request_invite: Sending fake auth rejection for device "+1XXXXXXXXXX" <sip:+1XXXXXXXXXX#sip.twilio.com>;tag=78774647_6772d868_43fb2951-f4f9-4c80-8377-9bb50e9458ae
Which kind of makes sense... on my sip.conf, I have
[myusername]
context = somecontext
type = user
secret = mypass
permit=107.21.222.153
permit=107.21.211.20
permit=107.21.231.147
permit=54.236.81.101
permit=54.236.96.128
permit=54.236.97.29
permit=54.236.97.135
permit=54.232.85.81
permit=54.232.85.82
permit=54.232.85.84
permit=54.232.85.85
permit=54.228.219.168
permit=54.228.233.229
permit=176.34.236.224
permit=176.34.236.247
permit=46.137.219.1
permit=46.137.219.3
permit=46.137.219.35
permit=46.137.219.135
permit=54.249.244.21
permit=54.249.244.24
permit=54.249.244.27
permit=54.249.244.28
I'm kind of stuck here... if anyone could give me a hint I'd really appreciate it
Ok... I figured it out. As I guess lots of people will want to integrate twilio with their Asterisks, here's what happened.
The issue is that my server wasn't recognising the user, and it seems like the user/pass is sent after this (twilio doesn't send the user on the From). So, you need to make it type=peer and then use the host=ip to identify twilio. But... they have 23 ips... so, I used templates.
But for every new ip you add you're adding a new sip device, so you should know which IP twilio is going to use to know which username you need to send. The answer is using allowguest=yes on the template... what's good about this, is that it already recognized twilio's ip, so our guest is actually twilio.
This is the xml I'm passing to twilio now
<Response>
<Dial>
<Sip>sip:myext#mydomain.com</Sip>
</Dial>
</Response>
(loving the idea of not sending my username and password on it, hating that I bought an SSL cert just to protect them) and this is how my sip.conf ended up looking
[twiliocaller](!)
context = somecontext
type = peer
qualify=no
allowguest=yes
[twilioip-1](twiliocaller)
host=107.21.222.153
[twilioip-2](twiliocaller)
host=107.21.211.20
[twilioip-3](twiliocaller)
host=107.21.231.147
[twilioip-4](twiliocaller)
host=54.236.81.101
[twilioip-5](twiliocaller)
host=54.236.96.128
[twilioip-6](twiliocaller)
host=54.236.97.29
[twilioip-7](twiliocaller)
host=54.236.97.135
[twilioip-8](twiliocaller)
host=54.232.85.81
[twilioip-9](twiliocaller)
host=54.232.85.82
[twilioip-10](twiliocaller)
host=54.232.85.84
[twilioip-11](twiliocaller)
host=54.232.85.85
[twilioip-12](twiliocaller)
host=54.228.219.168
[twilioip-13](twiliocaller)
host=54.228.233.229
[twilioip-14](twiliocaller)
host=176.34.236.224
[twilioip-15](twiliocaller)
host=176.34.236.247
[twilioip-16](twiliocaller)
host=46.137.219.1
[twilioip-17](twiliocaller)
host=46.137.219.3
[twilioip-18](twiliocaller)
host=46.137.219.35
[twilioip-19](twiliocaller)
host=46.137.219.135
[twilioip-20](twiliocaller)
host=54.249.244.21
[twilioip-21](twiliocaller)
host=54.249.244.24
[twilioip-22](twiliocaller)
host=54.249.244.27
[twilioip-23](twiliocaller)
host=54.249.244.28
Hope it saves some of your time! I also wrote a blog post about this at http://blog.gmc.uy/2013/10/asterisk-twilio-receiving-calls-from.html