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batman: prefix sudo for batctl if not executed as root

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depends on proper sudo rule, like:
mapuser ALL = NOPASSWD: /usr/sbin/batctl
This commit is contained in:
Martin Weinelt 2015-04-12 18:57:44 +02:00
parent 9a652c429c
commit 7322a14274
1 changed files with 9 additions and 4 deletions
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13
lib/batman.py
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@ -1,5 +1,6 @@
import subprocess
import json
import os
import re
@ -46,8 +47,10 @@ class Batman(object):
Parse "batctl -m <mesh_interface> gwl -n"
into an array of dictionaries.
"""
output = subprocess.check_output(
['batctl', '-m', self.mesh_interface, 'gwl', '-n'])
cmd = ['batctl', '-m', self.mesh_interface, 'gwl', '-n']
if os.geteuid() > 0:
cmd.insert(0, 'sudo')
output = subprocess.check_output(cmd)
output_utf8 = output.decode('utf-8')
rows = output_utf8.splitlines()
@ -73,8 +76,10 @@ class Batman(object):
Parse "batctl -m <mesh_interface> gw"
return: tuple mode, bandwidth, if mode != server then bandwidth is None
"""
output = subprocess.check_output(
['batctl', '-m', self.mesh_interface, 'gw'])
cmd = ['batctl', '-m', self.mesh_interface, 'gw']
if os.geteuid() > 0:
cmd.insert(0, 'sudo')
output = subprocess.check_output(cmd)
chunks = output.decode("utf-8").split()
return chunks[0], chunks[3] if 3 in chunks else None