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13 Commits

Author SHA1 Message Date
Marek Marczykowski
83d211836a dom0+vm: Trigger appmenus sync after yum transaction (#45), NEW QREXEC COMMAND 
After yum transaction (install/upgrade/remove),
yum-plugin-post-transaction-actions will execute script which trigger
qvm-sync-appmenus in dom0 (through qrexec).
THIS INTRODUCE NEW PREDEFINED COMMAND IN QREXEC
 2011-06-12 01:46:24 +02:00
Rafal Wojtczuk
e7d2eefecd qrexec: fix stdout flush on process exit 
In case a child of qrexec_daemon has exited and there is still data in its
stdout pipe, we need to flush it to the peer. Previously, the case when the
peer is blocked was not handled; it is now. The bug impact was premature EOF.
 2011-05-23 15:35:40 +02:00
Rafal Wojtczuk
d84289f983 qrexec - indentation 2011-05-04 13:00:39 +02:00
Rafal Wojtczuk
d68183da0c qrexec: added comments, made identifiers more verbose 2011-05-04 12:52:54 +02:00
Rafal Wojtczuk
1d24ef9d1a qrexec: when forgetting about a client/process, flush buffered data 
We need to spawn a child to take care of buffered data flushing, if there
is any. Expensive, but should be needed rarely.
 2011-03-17 18:15:04 +01:00
Rafal Wojtczuk
53b517f6a5 qrexec: move set_nonblock function to write_stdin 
It will be needed there.
 2011-03-17 17:53:33 +01:00
Rafal Wojtczuk
fb71bf968c qrexec_agent: when receiving close from daemon, check buffered data 
We need to wait for buffer flush, so that buffered data is not lost,
and only then close pipe to the child.
 2011-03-17 17:37:35 +01:00
Rafal Wojtczuk
d40fb3a2e1 Fifo semantics is hard to get right. 
Finally: we need to close the command pipe at EOF.
 2011-03-16 16:11:05 +01:00
Rafal Wojtczuk
15bab70eae Handle pipe io in qrexec_agent properly 
Don't reopen pipe after each read - no need, and it could lose events.
 2011-03-16 15:18:37 +01:00
Rafal Wojtczuk
e19390ca1c Moved ioall.c file to "common" 2011-03-11 11:47:20 +01:00
Rafal Wojtczuk
f1a7df6e95 Implemented mechanism to trigger predefined execution in dom0. 
Processes in AppVM can ask qrexec-agent to send a
MSG_AGENT_TO_SERVER_TRIGGER_EXEC message to qrexec-daemon.
The latter will execute predefined program. It is useful for
the purpose of file copy; the predefined program will create
a connected qfile-daemon<->qfile-agent pair.
 2011-03-10 15:41:31 +01:00
Rafal Wojtczuk
8f90623661 Add ability to execute command without help of /bin/su 
It is important, if the program closes stdout, but does not exit.
Then, qrexec_agent does not see EOF (because su still holds the
file descriptor).
 2011-03-10 13:08:06 +01:00
Rafal Wojtczuk
b98dffc965 qrexec* tools, initial version 2011-03-04 16:32:58 +01:00