async def _get_cached_klist(self):
"""
Try to get retrieve cached kerberos tgt info. If it hasn't been cached,
perform klist, parse it, put it in cache, then return it.
"""
if await self.middleware.call('cache.has_key', 'KRB_TGT_INFO'):
return (await self.middleware.call('cache.get', 'KRB_TGT_INFO'))
ad = await self.middleware.call('activedirectory.config')
ldap = await self.middleware.call('ldap.config')
ad_TGT = []
ldap_TGT = []
parsed_klist = {}
if not ad['enable'] and not ldap['enable']:
return {'ad_TGT': ad_TGT, 'ldap_TGT': ldap_TGT}
if not ad['enable'] and not ldap['kerberos_realm']:
return {'ad_TGT': ad_TGT, 'ldap_TGT': ldap_TGT}
if not await self.status():
await self.start()
krb5 = KRB5.platform()
try:
if krb5 == KRB5.HEIMDAL:
klist = await asyncio.wait_for(run(['klist', '-v'],
check=False,
stdout=subprocess.PIPE),
timeout=10.0)
else:
klist = await asyncio.wait_for(run(['klist', '-ef'],
check=False,
stdout=subprocess.PIPE),
timeout=10.0)
except Exception as e:
await self.stop()
raise CallError(
"Attempt to list kerberos tickets failed with error: %s", e)
if klist.returncode != 0:
await self.stop()
raise CallError(
f'klist failed with error: {klist.stderr.decode()}')
klist_output = klist.stdout.decode()
parsed_klist = await self.parse_klist({
"krb5type": krb5.value,
"klistin": klist_output,
"ad": ad,
"ldap": ldap,
})
if parsed_klist['ad_TGT'] or parsed_klist['ldap_TGT']:
await self.middleware.call('cache.put', 'KRB_TGT_INFO',
parsed_klist)
return parsed_klist
async def power_management(self, dev, disk=None):
"""
Actually sets power management for `dev`.
`disk` is the disk.query entry and optional so this can be called only with disk name.
"""
if not disk:
disk = await self.middleware.call('disk.query', [('name', '=', dev)])
if not disk:
return
disk = disk[0]
try:
identify = (await run('camcontrol', 'identify', dev)).stdout.decode()
except subprocess.CalledProcessError:
return
# Try to set APM
if RE_CAMCONTROL_APM.search(identify):
args = ['camcontrol', 'apm', dev]
if disk['advpowermgmt'] != 'DISABLED':
args += ['-l', disk['advpowermgmt']]
asyncio.ensure_future(run(*args, check=False))
# Try to set AAM
if RE_CAMCONTROL_AAM.search(identify):
acousticlevel_map = {
'MINIMUM': '1',
'MEDIUM': '64',
'MAXIMUM': '127',
}
asyncio.ensure_future(run(
'camcontrol', 'aam', dev, '-l', acousticlevel_map.get(disk['acousticlevel'], '0'),
check=False,
))
# Try to set idle
if RE_CAMCONTROL_POWER.search(identify):
if disk['hddstandby'] != 'ALWAYS ON':
# database is in minutes, camcontrol uses seconds
idle = int(disk['hddstandby']) * 60
else:
idle = 0
# We wait a minute before applying idle because its likely happening during system boot
# or some activity is happening very soon.
async def camcontrol_idle():
await asyncio.sleep(60)
asyncio.ensure_future(run('camcontrol', 'idle', dev, '-t', str(idle), check=False))
asyncio.ensure_future(camcontrol_idle())
async def renew(self):
"""
Compare timestamp of cached TGT info with current timestamp. If we're within 5 minutes
of expire time, renew the TGT via 'kinit -R'.
"""
tgt_info = await self._get_cached_klist()
ret = True
must_renew = False
must_reinit = False
if not tgt_info['ad_TGT'] and not tgt_info['ldap_TGT']:
must_reinit = True
if tgt_info['ad_TGT']:
permitted_buffer = datetime.timedelta(minutes=5)
current_time = datetime.datetime.now()
for entry in tgt_info['ad_TGT']:
tgt_expiry_time = datetime.datetime.fromtimestamp(
time.mktime(entry['expires']))
delta = tgt_expiry_time - current_time
if datetime.timedelta(minutes=0) > delta:
must_reinit = True
break
if permitted_buffer > delta:
must_renew = True
break
if tgt_info['ldap_TGT']:
permitted_buffer = datetime.timedelta(minutes=5)
current_time = datetime.datetime.now()
for entry in tgt_info['ldap_TGT']:
tgt_expiry_time = datetime.datetime.fromtimestamp(
time.mktime(entry['expires']))
delta = tgt_expiry_time - current_time
if datetime.timedelta(minutes=0) > delta:
must_reinit = True
break
if permitted_buffer > delta:
must_renew = True
break
if must_renew and not must_reinit:
try:
kinit = await asyncio.wait_for(run(['kinit', '-R'],
check=False),
timeout=15)
if kinit.returncode != 0:
raise CallError(
f'kinit -R failed with error: {kinit.stderr.decode()}')
self.logger.debug('Successfully renewed kerberos TGT')
await self.middleware.call('cache.pop', 'KRB_TGT_INFO')
except asyncio.TimeoutError:
self.logger.debug(
'Attempt to renew kerberos TGT failed after 15 seconds.')
if must_reinit:
ret = await self.start()
await self.middleware.call('cache.pop', 'KRB_TGT_INFO')
return ret
async def power_management_impl(self, dev, disk):
asyncio.ensure_future(
run(
'hdparm',
'-B',
disk['advpowermgmt']
if disk['advpowermgmt'] != 'DISABLED' else '255',
f'/dev/{dev}',
check=False,
))
if disk['hddstandby'] != 'ALWAYS ON':
if int(disk['hddstandby']) <= 20:
# Values from 1 to 240 specify multiples of 5 seconds
idle = int(int(disk['hddstandby']) * 60 / 5)
else:
# values from 241 to 251 specify multiples of 30 minutes.
idle = 240 + int(int(disk['hddstandby']) / 30)
else:
idle = 0
# We wait a minute before applying idle because its likely happening during system boot
# or some activity is happening very soon.
async def camcontrol_idle():
await asyncio.sleep(60)
asyncio.ensure_future(
run('hdparm', '-S', str(idle), f'/dev/{dev}', check=False))
asyncio.ensure_future(camcontrol_idle())
async def power_management_impl(self, dev, disk):
try:
identify = (await run('camcontrol', 'identify', dev)).stdout.decode()
except subprocess.CalledProcessError:
return
# Try to set APM
if RE_CAMCONTROL_APM.search(identify):
args = ['camcontrol', 'apm', dev]
if disk['advpowermgmt'] != 'DISABLED':
args += ['-l', disk['advpowermgmt']]
asyncio.ensure_future(run(*args, check=False))
# Try to set idle
if RE_CAMCONTROL_POWER.search(identify):
if disk['hddstandby'] != 'ALWAYS ON':
# database is in minutes, camcontrol uses seconds
idle = int(disk['hddstandby']) * 60
else:
idle = 0
# We wait a minute before applying idle because its likely happening during system boot
# or some activity is happening very soon.
async def camcontrol_idle():
await asyncio.sleep(60)
asyncio.ensure_future(run('camcontrol', 'idle', dev, '-t', str(idle), check=False))
asyncio.ensure_future(camcontrol_idle())
async def camcontrol_idle():
await asyncio.sleep(60)
asyncio.ensure_future(
run('camcontrol',
'idle',
dev,
'-t',
str(idle),
check=False))
async def renew(self):
"""
Compare timestamp of cached TGT info with current timestamp. If we're within 5 minutes
of expire time, renew the TGT via 'kinit -R'.
"""
tgt_info = await self._get_cached_klist()
ret = True
must_renew = False
must_reinit = False
if not tgt_info['ad_TGT'] and not tgt_info['ldap_TGT']:
must_reinit = True
if tgt_info['ad_TGT']:
permitted_buffer = datetime.timedelta(minutes=5)
current_time = datetime.datetime.now()
for entry in tgt_info['ad_TGT']:
tgt_expiry_time = datetime.datetime.fromtimestamp(time.mktime(entry['expires']))
delta = tgt_expiry_time - current_time
if datetime.timedelta(minutes=0) > delta:
must_reinit = True
break
if permitted_buffer > delta:
must_renew = True
break
if tgt_info['ldap_TGT']:
permitted_buffer = datetime.timedelta(minutes=5)
current_time = datetime.datetime.now()
for entry in tgt_info['ldap_TGT']:
tgt_expiry_time = datetime.datetime.fromtimestamp(time.mktime(entry['expires']))
delta = tgt_expiry_time - current_time
if datetime.timedelta(minutes=0) > delta:
must_reinit = True
break
if permitted_buffer > delta:
must_renew = True
break
if must_renew and not must_reinit:
try:
kinit = await asyncio.wait_for(run(['/usr/bin/kinit', '-R'], check=False), timeout=15)
if kinit.returncode != 0:
raise CallError(f'kinit -R failed with error: {kinit.stderr.decode()}')
self.logger.debug(f'Successfully renewed kerberos TGT')
await self.middleware.call('cache.pop', 'KRB_TGT_INFO')
except asyncio.TimeoutError:
self.logger.debug('Attempt to renew kerberos TGT failed after 15 seconds.')
if must_reinit:
ret = await self.start()
await self.middleware.call('cache.pop', 'KRB_TGT_INFO')
return ret
async def _get_cached_klist(self):
"""
Try to get retrieve cached kerberos tgt info. If it hasn't been cached,
perform klist, parse it, put it in cache, then return it.
"""
if await self.middleware.call('cache.has_key', 'KRB_TGT_INFO'):
return (await self.middleware.call('cache.get', 'KRB_TGT_INFO'))
ad = await self.middleware.call('activedirectory.config')
ldap = await self.middleware.call('ldap.config')
ad_TGT = []
ldap_TGT = []
if not ad['enable'] and not ldap['enable']:
return {'ad_TGT': ad_TGT, 'ldap_TGT': ldap_TGT}
if not ad['enable'] and not ldap['kerberos_realm']:
return {'ad_TGT': ad_TGT, 'ldap_TGT': ldap_TGT}
if not await self.status():
await self.start()
try:
klist = await asyncio.wait_for(
run(['/usr/bin/klist', '-v'], check=False, stdout=subprocess.PIPE),
timeout=10.0
)
except Exception as e:
await self.stop()
raise CallError("Attempt to list kerberos tickets failed with error: %s", e)
if klist.returncode != 0:
await self.stop()
raise CallError(f'klist failed with error: {klist.stderr.decode()}')
klist_output = klist.stdout.decode()
tkts = klist_output.split('\n\n')
for tkt in tkts:
s = tkt.splitlines()
if len(s) > 4:
for entry in s:
if "Auth time" in entry:
issued = time.strptime((entry.split('Auth time: '))[1].lstrip().replace(' ', ' '), '%b %d %H:%M:%S %Y')
elif "End time" in entry:
expires = time.strptime((entry.split('End time: '))[1].lstrip().replace(' ', ' '), '%b %d %H:%M:%S %Y')
elif "Server" in entry:
server = (entry.split('Server: '))[1]
elif "Client" in entry:
client = (entry.split('Client: '))[1]
elif 'Ticket etype' in entry:
etype = (entry.split('Ticket etype: '))[1]
elif 'Ticket flags' in entry:
flags = (entry.split('Ticket flags: '))[1].split(',')
if ad['enable'] and ad['kerberos_realm'] and ad['domainname'] in client:
ad_TGT.append({
'issued': issued,
'expires': expires,
'client': client,
'server': server,
'etype': etype,
'flags': flags,
})
elif ldap['enable'] and ldap['kerberos_realm']:
if ldap['kerberos_realm']['krb_realm'] in client:
ldap_TGT.append({
'issued': issued,
'expires': expires,
'client': client,
'server': server,
'etype': etype,
'flags': flags,
})
if ad_TGT or ldap_TGT:
await self.middleware.call('cache.put', 'KRB_TGT_INFO', {'ad_TGT': ad_TGT, 'ldap_TGT': ldap_TGT})
return {'ad_TGT': ad_TGT, 'ldap_TGT': ldap_TGT}
async def _get_cached_klist(self):
"""
Try to get retrieve cached kerberos tgt info. If it hasn't been cached,
perform klist, parse it, put it in cache, then return it.
"""
if await self.middleware.call('cache.has_key', 'KRB_TGT_INFO'):
return (await self.middleware.call('cache.get', 'KRB_TGT_INFO'))
ad = await self.middleware.call('activedirectory.config')
ldap = await self.middleware.call('ldap.config')
ad_TGT = []
ldap_TGT = []
if not ad['enable'] and not ldap['enable']:
return {'ad_TGT': ad_TGT, 'ldap_TGT': ldap_TGT}
if not ad['enable'] and not ldap['kerberos_realm']:
return {'ad_TGT': ad_TGT, 'ldap_TGT': ldap_TGT}
if not await self.status():
await self.start()
try:
klist = await asyncio.wait_for(run(['/usr/bin/klist', '-v'],
check=False,
stdout=subprocess.PIPE),
timeout=10.0)
except Exception as e:
await self.stop()
raise CallError(
"Attempt to list kerberos tickets failed with error: %s", e)
if klist.returncode != 0:
await self.stop()
raise CallError(
f'klist failed with error: {klist.stderr.decode()}')
klist_output = klist.stdout.decode()
tkts = klist_output.split('\n\n')
for tkt in tkts:
s = tkt.splitlines()
if len(s) > 4:
for entry in s:
if "Auth time" in entry:
issued = time.strptime(
(entry.split('Auth time: '))[1].lstrip().replace(
' ', ' '), '%b %d %H:%M:%S %Y')
elif "End time" in entry:
expires = time.strptime(
(entry.split('End time: '))[1].lstrip().replace(
' ', ' '), '%b %d %H:%M:%S %Y')
elif "Server" in entry:
server = (entry.split('Server: '))[1]
elif "Client" in entry:
client = (entry.split('Client: '))[1]
elif 'Ticket etype' in entry:
etype = (entry.split('Ticket etype: '))[1]
elif 'Ticket flags' in entry:
flags = (entry.split('Ticket flags: '))[1].split(',')
if ad['enable'] and ad['kerberos_realm'] and ad[
'domainname'] in client:
ad_TGT.append({
'issued': issued,
'expires': expires,
'client': client,
'server': server,
'etype': etype,
'flags': flags,
})
elif ldap['enable'] and ldap['kerberos_realm']:
if ldap['kerberos_realm']['krb_realm'] in client:
ldap_TGT.append({
'issued': issued,
'expires': expires,
'client': client,
'server': server,
'etype': etype,
'flags': flags,
})
if ad_TGT or ldap_TGT:
await self.middleware.call('cache.put', 'KRB_TGT_INFO', {
'ad_TGT': ad_TGT,
'ldap_TGT': ldap_TGT
})
return {'ad_TGT': ad_TGT, 'ldap_TGT': ldap_TGT}
async def camcontrol_idle():
await asyncio.sleep(60)
asyncio.ensure_future(
run('hdparm', '-S', str(idle), f'/dev/{dev}', check=False))