Aaron created BIT-1475:
--------------------------
Summary: Exec::Run does not complete
Key: BIT-1475
URL: https://bro-tracker.atlassian.net/browse/BIT-1475
Project: Bro Issue Tracker
Issue Type: Problem
Components: Bro
Affects Versions: 2.3
Environment: Centos 6.6
Reporter: Aaron
I'm having trouble running an external program in the callback function for an
event when processing a pcap file. It seems to work in bro_init, however,
which confuses me.
The working file will print out the output of the "ls" command, whereas the
not-working file will not print out anything no matter how long I wait.
Specifically here I want to use the event when bro detects a file in the pcap.
working.bro (ran as simply "bro working.bro"):
{code:java}
@load base/utils/exec
redef exit_only_after_terminate=T;
event bro_init()
{
local t= "ls /";
local cmd = Exec::Command($cmd=t);
when (local res = Exec::run(cmd))
{
print "hello";
print res$stdout;
}
}
{code}
notworking.bro (ran as bro -r my.pcap notworking.bro:
{code:java}
@load base/utils/exec
@load base/frameworks/files
@load base/frameworks/notice
redef exit_only_after_terminate=T;
event file_new(f: fa_file)
{
local t ="ls /";
local cmd = Exec::Command($cmd=t);
when (local res = Exec::run(cmd))
{
print "hello";
print res$stdout;
}
}
{code}
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