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347 commits

Author SHA1 Message Date
Shelikhoo
c961b07459
Add Detailed Error Output for datachannelHandler 2022-06-16 14:06:56 +01:00
Shelikhoo
d5a87c3c02
Guard Proxy Relay URL Acceptance with Pattern Check 2022-06-16 13:57:33 +01:00
Shelikhoo
863a8296e8
Add RelayURL support in proxy 2022-06-16 13:57:33 +01:00
Cecylia Bocovich
6310ca4381
Avoid performing two NAT probe tests at startup 
After the initial NAT probe test, a full interval before starting the
recurring NAT retests.
 2022-05-27 10:01:19 -04:00
itchyonion
9757784c5a
Wait some time before displaying the proxy usage log 2022-05-25 11:01:01 -04:00
meskio
b73add1550
Make the proxy type configurable for users of the library 
Closes: #40104
 2022-03-21 19:24:51 +01:00
Arlo Breault
6fd0f1ae5d Rename *PollRequest methods to distinguish client/proxy 2022-03-16 15:43:10 -04:00
Jake Vossen
99eb794a20
Fixed up/downstream metrics 2022-03-02 11:27:33 -05:00
pjsier
df22114fce Fix proxy logging verb tense 2022-02-28 18:38:17 -06:00
Shelikhoo
00e8415d8e
Add verbosity switch to suppress diagnostic output 2022-02-03 13:38:48 +00:00
Shelikhoo
e828b06076
Use log instead of fmt in proxy event logger 
See also:
https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/72#note_2772839
 2022-01-28 14:46:45 +00:00
Shelikhoo
eb229d512b
Fix ProxyEventLogger output 2022-01-25 13:03:19 +00:00
Shelikhoo
88af9da4a2
Fix ProxyEventLogger output 2022-01-25 13:03:19 +00:00
Shelikhoo
1116bc81c8
Add Proxy Event Logger 2022-01-25 13:03:19 +00:00
Shelikhoo
9208364475
Extract traffic formatter 2022-01-25 13:03:19 +00:00
Shelikhoo
f12cfe6a9f
Add proxy event logger state propagate 2022-01-25 13:03:18 +00:00
Shelikhoo
e4305a4d2b
Add EventOnProxyConnectionOver Reporting 2022-01-25 13:03:18 +00:00
Shelikhoo
91379a42f3
Add Raw Data Output for bytesLogger 2022-01-25 13:03:14 +00:00
Shelikhoo
0c62d806a4
Represent NATTypeMeasurementInterval in time.Duration 
Adopted the change in according to the recommendation from

https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/62#note_2761566
 2021-11-16 19:25:27 +00:00
Shelikhoo
c49f72eb0c
Update nat-retest-interval type to duration 
Adopted the change in according to the recommendation from

https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/62#note_2761438
 2021-11-16 15:58:57 +00:00
Shelikhoo
efdb850d2e
Update nat-retest-interval flag name to reflect the change 
Adopted the change in according to the recommendation from

https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/62#note_2761382
 2021-11-16 11:22:44 +00:00
Shelikhoo
9bdb87eaf3
Update nat-retest-seconds format to time.ParseDuration form 
Adopted the change in according to the recommendation from

https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/62#note_2761382
 2021-11-16 11:20:27 +00:00
Shelikhoo
1b79962ca8
Rename flag to nat-retest-seconds and retest daily by default 
Adopted the change in according to the recommendation from

https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/62#note_2759816

https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/62#note_2760512
 2021-11-12 10:49:32 +00:00
Shelikhoo
59af9927a5
Refactor state transfer logic to simplify it 
Adopted the change in according to the recommendation from

https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/62#note_2760514
 2021-11-12 10:49:32 +00:00
Shelikhoo
2547883cf9
Extract function getCurrentNATType() 
Adopted the change in according to the recommendation from

https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/merge_requests/62#note_2759900
 2021-11-12 10:49:32 +00:00
Shelikhoo
a6a53ff8ce
Add NAT Type test periodic task 2021-11-12 10:49:30 +00:00
Shelikhoo
ac97ce7136
Add NAT Type measurement command line flag 
It is important to include unit in flag name to prevent user from making mistake.
 2021-11-12 10:48:15 +00:00
Shelikhoo
04bc471a63
Support recurring NAT Type measurement 
currentNATType will from now on be guarded by currentNATTypeAccess for any access.

NAT Type update rule is flattened into state transfer lookup table to assist reading.
 2021-11-12 10:48:14 +00:00
Cecylia Bocovich
ead5a960d7
Bump snowflake library imports and go.mod to v2 2021-11-11 10:14:49 -05:00
Cecylia Bocovich
0a2598a1e8 Export ability to change the URL of NAT probe 2021-10-28 10:05:01 -04:00
Cecylia Bocovich
3caa83d84d Modify handling of misconfigurations and defaults 2021-10-28 10:05:01 -04:00
Cecylia Bocovich
0e8d41ba4b Update comments for exported items 2021-10-28 10:05:01 -04:00
Cecylia Bocovich
84e8a183e5 Comment package and minor changes exports 2021-10-26 15:49:46 -04:00
Cecylia Bocovich
b2edf948e2 Remove BytesLoggers from exported functions 2021-10-26 14:52:17 -04:00
idk
50e4f4fd61 Turn the proxy code into a library 
Allow other go programs to easily import the snowflake proxy library and
start/stop a snowflake proxy.
 2021-10-26 14:15:44 -04:00
Cecylia Bocovich
54ab79384f Unify broker/bridge domains to torproject.net 2021-10-14 11:14:22 -04:00
meskio
cbd863d6b1
Fix proxy test 
The broker is a global object.
 2021-09-02 12:49:00 +02:00
meskio
e3d376ca43
Wait pollInterval between proxy offers 
Closes: #40055
 2021-07-21 16:38:29 +02:00
meskio
099f4127ea
Refactor the poll offer to use a ticker 
Simplify the code to use a ticker. Using a pattern to allow a first run
of the loop before hitting the ticker:
https://github.com/golang/go/issues/17601#issuecomment-311955879
 2021-07-21 16:38:27 +02:00
Cecylia Bocovich
c1b0fdd8cf Cleaned up and reorganized READMEs 2021-07-19 10:16:26 -04:00
meskio
ced539f234
Refactor webRTCConn to its own file 2021-07-07 19:36:24 +02:00
meskio
7a1857c42f
Make the proxy to report the number of clients to the broker 
So the assignment of proxies is based on the load. The number of clients
is ronded down to 8. Existing proxies that doesn't report the number
of clients will be distributed equaly to new proxies until they get 8
clients, that is okish as the existing proxies do have a maximum
capacity of 10.

Fixes #40048
 2021-07-07 19:36:20 +02:00
Cecylia Bocovich
7187f1009e Log a throughput summary for each connection 
This will increase transparency for people running standalone proxies
and help us debug any potential issues with proxies behaving unreliably.
 2021-02-02 11:21:16 -05:00
Cecylia Bocovich
1b29ad7de1 Bump version of pion/sdp 
Update our dependency on pion/sdp from v2 to v3, to match pion/webrtc
v3. This requires some changes in how we parse out addresses from ice
candidates. This will ease tor browser builds of snowflake since we are
now only relying on one version of pion/sdp instead of two different
ones.
 2021-01-25 10:28:17 -05:00
Cecylia Bocovich
83c01565ef Update webrtc library to v3.0.0 
This update required two main changes to how we use the library. First,
we had to make sure we created the datachannel on the offering peer side
before creating the offer. Second, we had to make sure we wait for the
gathering of all candidates to complete since trickle-ice is enabled by
default. See the release notes for more details:
https://github.com/pion/webrtc/wiki/Release-WebRTC@v3.0.0.
 2021-01-12 10:37:26 -05:00
Cecylia Bocovich
00f8f85f41 Use remote probe to determine proxy NAT type 
Rather than having standalone proxies determine their NAT type by
conducting the NAT behaviour checks in RFC 5780, use the remote probe
service instead.
 2020-11-20 01:13:18 -05:00
Cecylia Bocovich
61beb9d996 Revert accidentally merged code 
Some temporary testing code for the proxy got accidentally merged into
the latest changes. This commit undoes that mistake.
 2020-11-05 19:28:20 -05:00
Cecylia Bocovich
4663599382 Make probetest wait for a datachannel to open 2020-11-05 16:48:00 -05:00
Cecylia Bocovich
7a0428e3b1 Refactor proxy to reuse signaling code 
Simplify proxy interactions with the broker signaling server and prepare
for the introduction of an additional signaling server.
 2020-10-29 11:03:51 -04:00
David Fifield
912bcae24e Don't log io.ErrClosedPipe in proxy. 
We expect one of these at the end of just about every proxy session, as
the Conns in both directions are closed as soon as the copy loop
finishes in one direction.

Closes #40016.
 2020-10-22 23:01:45 -06:00