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https://git.kernel.org/pub/scm/network/wireless/iwd.git
synced 2024-12-22 04:32:37 +01:00
fe616fbfa5
The hwsim SendFrame method requires the radio frequency which is obtained from the hostapd config file. This adds a generic API to get any config value from the hostapd config, as well as a get_freq API that converts the channel number to a frequency.
127 lines
3.8 KiB
Python
127 lines
3.8 KiB
Python
#!/usr/bin/python3
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import os, os.path
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import wiphy
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import re
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chan_freq_map = [
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None,
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2412,
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2417,
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2422,
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2427,
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2432,
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2437,
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2442,
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2447,
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2452,
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2457,
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2462,
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2467,
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2472,
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2484
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]
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hostapd_map = {ifname: intf for wname, wiphy in wiphy.wiphy_map.items()
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for ifname, intf in wiphy.items() if intf.use == 'hostapd'}
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class HostapdCLI:
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def __init__(self, interface):
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self.ifname = interface.name
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self.ctrl_interface = interface.ctrl_interface
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socket_path = os.path.dirname(self.ctrl_interface)
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self.cmdline = 'hostapd_cli -p"' + socket_path + '" -i"' + \
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self.ifname + '"'
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self._hostapd_restarted = False
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def __del__(self):
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if self._hostapd_restarted:
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os.system('killall hostapd')
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def wps_push_button(self):
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os.system(self.cmdline + ' wps_pbc')
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def deauthenticate(self, client_address):
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os.system(self.cmdline + ' deauthenticate ' + client_address)
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def reload(self):
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# Seemingly all three commands needed for the instance to notice
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# interface's address change
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cmds = 'reload\ndisable\nenable\n'
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proc = os.popen(self.cmdline, mode='w')
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lines = proc.write(cmds)
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proc.close()
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def list_sta(self):
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proc = os.popen(self.cmdline + ' list_sta')
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lines = proc.read()
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proc.close()
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return [line for line in lines.split('\n') if line]
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def set_neighbor(self, addr, ssid, nr):
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os.system(self.cmdline + ' set_neighbor ' + addr + ' ssid=\\""' + ssid +
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'"\\" nr=' + nr)
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def send_bss_transition(self, device, nr_list):
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# Send a BSS transition to a station (device). nr_list should be an
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# array of tuples containing the BSS address and neighbor report.
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# Parsing the neighbor report is a bit ugly but it makes it more
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# consistent with the set_neighbor() API, i.e. the same neighbor report
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# string could be used in both API's.
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pref = 1
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cmd = self.cmdline + ' bss_tm_req ' + device
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for i in nr_list:
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addr = i[0]
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nr = i[1]
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bss_info=str(int(nr[0:8], 16))
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op_class=str(int(nr[8:10], 16))
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chan_num=nr[10:12]
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phy_num=nr[14:16]
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cmd += ' pref=%s neighbor=%s,%s,%s,%s,%s' % \
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(str(pref), addr, bss_info, op_class, chan_num, phy_num)
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pref += 1
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os.system(cmd)
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@staticmethod
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def kill_all():
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os.system('killall hostapd')
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def get_config_value(self, key):
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# first find the right config file
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for wname in hostapd_map:
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if wname == self.ifname:
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with open(hostapd_map[wname].config, 'r') as f:
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# read in config file and search for key
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cfg = f.read();
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match = re.search(r'%s=.*' % key, cfg)
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if match:
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return match.group(0).split('=')[1]
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return None
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def get_freq(self):
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return chan_freq_map[int(self.get_config_value('channel'))]
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def ungraceful_restart(self):
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'''
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Ungracefully kill and restart hostapd
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'''
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for wname in wiphy.wiphy_map:
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name = wiphy.wiphy_map[wname]
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intf = list(name.values())[0]
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if intf.use == 'hostapd':
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os.system('killall -9 hostapd')
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os.system('ifconfig %s down' % intf.name)
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os.system('ifconfig %s up' % intf.name)
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os.system('hostapd -g %s -i %s %s &' %
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(intf.ctrl_interface, intf.name, intf.config))
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break;
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# set flag so hostapd can be killed after the test
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self._hostapd_restarted = True
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