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We use this python-c library to run program in a sandbox-like environment. With it, we can accurately known the resource using of the program and limit its resource using including system-call interrupt.
Usage
For run a program without tracing:
runcfg = {
'args':['./m'],
'fd_in':fin.fileno(),
'fd_out':ftemp.fileno(),
'timelimit':1000, #in MS
'memorylimit':20000, #in KB
}
rst = lorun.run(runcfg)
For check one output:
ftemp = file('temp.out')
fout = file(out_path)
crst = lorun.check(fout.fileno(), ftemp.fileno())
You can set runcfg['trace'] to True to ensure runner's security.
Here is a simple usage:
runcfg['trace'] = True
runcfg['calls'] = [1, 2, 3, 4] # system calls that could be used by testing programs
runcfg['files'] = {'/etc/ld.so.cache': 0} # open flag permitted (value is the flags of open)
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