Thanks Andreas I think I can use this for the SRU.
Bernd already merged my branch and uploaded debian/3.20-12 which is
currently building in Debian and Groovy. So soon all that will be left
is the SRU to Focal which need a teammate to check my branch for errors.
** Changed in: gpsd (Ubuntu Focal)
Assignee: (unassigned) => Christian Ehrhardt (paelzer)
** Changed in: gpsd (Ubuntu)
Status: Triaged => In Progress
** Description changed:
+ [Impact]
+
+ * Broken in 3.20 (>=Focal) by upstream the socket which is meant to
+ produce json output has one of its messages violating the json format.
+
+ * This leads to applications relying on the integrity of these messages to
+ fail.
+
+ * Fix by backporting a small upstream commit
+
+ [Test Case]
+
+ Start without a device like /etc/defaul/gpsd
+ DEVICES=""
+
+ Attach a json watcher like to gpsd like
+ $ telnet localhost 2947
+ then enter
+ ?WATCH={"enable":true,"json":true};
+
+ This looks like:
+
+ $ telnet localhost 2947
+ Trying 127.0.0.1...
+ Connected to localhost.
+ Escape character is '^]'.
+
{"class":"VERSION","release":"3.20","rev":"3.20","proto_major":3,"proto_minor":14}
+ ?WATCH={"enable":true,"json":true};
+ {"class":"DEVICES","devices":[]}
+
{"class":"WATCH","enable":true,"json":true,"nmea":false,"raw":0,"scaled":false,"timing":false,"split24":false,"pps":false}
+
+ Then on another console attach the device:
+ $ sudo gpsdctl add /dev/ttyUSB0
+
+ In the telnet socket watch you will see:
+
{"class":"DEVICE","path":"/dev/ttyUSB0","activated":2020-05-20T05:42:54.598Z}
+
+ And the last element in this is violating JSON.
+ With the fix this no more happens.
+
+ [Other Info]
+
+ * n/a
+
+ ---
+
Could you please add the patch to this issue to the ubuntu package:
https://gitlab.com/gpsd/gpsd/-/issues/77
TIA,
Andreas
andreast@atobuntu:~$ lsb_release -rd
Description: Ubuntu 20.04 LTS
Release: 20.04
The installed packet version is 3.20-8
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https://bugs.launchpad.net/bugs/1879272
Title:
corrupted json payload when adding a device
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