mirror of
https://github.com/netblue30/firejail.git
synced 2026-05-15 06:06:02 -06:00
49 lines
1.3 KiB
Python
Executable file
49 lines
1.3 KiB
Python
Executable file
#!/usr/bin/env python3
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# This file is part of Firejail project
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# Copyright (C) 2014-2026 Firejail Authors
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# License GPL v2
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import re
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import sys
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import subprocess
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usage = """fjdisplay.py name-of-firejail
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returns the display in the form of ':NNN'
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"""
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def getfirejails():
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output = subprocess.check_output(['firemon', '--x11'])
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firejails = {}
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name = ''
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for line in output.split('\n'):
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namematch = re.search('--name=(\w+\S*)', line)
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if namematch:
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name = namematch.group(1)
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displaymatch = re.search('DISPLAY (:\d+)', line)
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if displaymatch:
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firejails[name] = displaymatch.group(1)
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return firejails
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def getdisplay(name):
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firejails = getfirejails()
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fjlist = '\n'.join(firejails.keys())
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namere = re.compile('^' + name + '.*', re.MULTILINE)
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matchingjails = namere.findall(fjlist)
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if len(matchingjails) == 1:
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return firejails[matchingjails[0]]
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if len(matchingjails) == 0:
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raise NameError("firejail {} does not exist".format(name))
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else:
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raise NameError("ambiguous firejail name")
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if __name__ == '__main__':
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if '-h' in sys.argv or '--help' in sys.argv or len(sys.argv) > 2:
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print(usage)
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exit()
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if len(sys.argv) == 1:
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print(getfirejails())
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if len(sys.argv) == 2:
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print(getdisplay(sys.argv[1]))
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