mirror of
https://github.com/xcat2/confluent.git
synced 2025-11-04 13:22:42 +00:00
298 lines
9.8 KiB
Python
298 lines
9.8 KiB
Python
# Copyright 2017 Lenovo
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
import argparse
|
|
import ctypes
|
|
import fcntl
|
|
import json
|
|
from select import select
|
|
import glob
|
|
import hashlib
|
|
import socket
|
|
import struct
|
|
import os
|
|
import subprocess
|
|
import sys
|
|
import time
|
|
import ssl
|
|
import socket
|
|
|
|
class IpmiMsg(ctypes.Structure):
|
|
_fields_ = [('netfn', ctypes.c_ubyte),
|
|
('cmd', ctypes.c_ubyte),
|
|
('data_len', ctypes.c_short),
|
|
('data', ctypes.POINTER(ctypes.c_ubyte))]
|
|
|
|
|
|
class IpmiSystemInterfaceAddr(ctypes.Structure):
|
|
_fields_ = [('addr_type', ctypes.c_int),
|
|
('channel', ctypes.c_short),
|
|
('lun', ctypes.c_ubyte)]
|
|
|
|
|
|
class IpmiRecv(ctypes.Structure):
|
|
_fields_ = [('recv_type', ctypes.c_int),
|
|
('addr', ctypes.POINTER(IpmiSystemInterfaceAddr)),
|
|
('addr_len', ctypes.c_uint),
|
|
('msgid', ctypes.c_long),
|
|
('msg', IpmiMsg)]
|
|
|
|
|
|
class IpmiReq(ctypes.Structure):
|
|
_fields_ = [('addr', ctypes.POINTER(IpmiSystemInterfaceAddr)),
|
|
('addr_len', ctypes.c_uint),
|
|
('msgid', ctypes.c_long),
|
|
('msg', IpmiMsg)]
|
|
|
|
|
|
_IONONE = 0
|
|
_IOWRITE = 1
|
|
_IOREAD = 2
|
|
IPMICTL_SET_MY_ADDRESS_CMD = (
|
|
_IOREAD << 30 | ctypes.sizeof(ctypes.c_uint) << 16
|
|
| ord('i') << 8 | 17) # from ipmi.h
|
|
IPMICTL_SEND_COMMAND = (
|
|
_IOREAD << 30 | ctypes.sizeof(IpmiReq) << 16
|
|
| ord('i') << 8 | 13) # from ipmi.h
|
|
# next is really IPMICTL_RECEIVE_MSG_TRUNC, but will only use that
|
|
IPMICTL_RECV = (
|
|
(_IOWRITE | _IOREAD) << 30 | ctypes.sizeof(IpmiRecv) << 16
|
|
| ord('i') << 8 | 11) # from ipmi.h
|
|
BMC_SLAVE_ADDR = ctypes.c_uint(0x20)
|
|
CURRCHAN = 0xf
|
|
ADDRTYPE = 0xc
|
|
|
|
def get_nicname_from_dmi():
|
|
for fi in glob.glob('/sys/firmware/dmi/entries/42-*/raw'):
|
|
dmit = memoryview(open(fi, 'rb').read())
|
|
if dmit[0] != 42:
|
|
continue
|
|
if dmit[1] < 0xb:
|
|
continue
|
|
if dmit[4] != 0x40: # only supporting network host interface
|
|
continue
|
|
ifdatalen = dmit[5]
|
|
ifdata = dmit[6:6+ifdatalen]
|
|
if ifdata[0] != 2:
|
|
continue
|
|
idvend, idprod = struct.unpack('<HH', ifdata[1:5])
|
|
for nici in glob.glob('/sys/class/net/*'):
|
|
nicname = os.path.basename(nici)
|
|
try:
|
|
nicu = subprocess.check_output(['udevadm', 'info', nici], stderr=subprocess.DEVNULL)
|
|
except Exception:
|
|
raise
|
|
continue
|
|
nicu = nicu.decode()
|
|
if f'ID_VENDOR_ID={idvend:04x}' in nicu and f'ID_MODEL_ID={idprod:04x}' in nicu:
|
|
return nicname
|
|
return None
|
|
|
|
def scan_nicname(nicname):
|
|
idx = int(open('/sys/class/net/{}/ifindex'.format(nicname)).read())
|
|
return scan_nic(idx)
|
|
|
|
def scan_nic(nicidx):
|
|
srvs = {}
|
|
s6 = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
|
|
s6.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, 1)
|
|
s6.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
|
|
s6.bind(('::', 0))
|
|
msg = b'M-SEARCH * HTTP/1.1\r\nHOST: [ff02::c]:1900\r\nMAN: "ssdp:discover"\r\nST: urn:dmtf-org:service:redfish-rest:1\r\nMX: 3\r\n\r\n'
|
|
s6.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_IF, nicidx)
|
|
x = [False,]
|
|
tries=5
|
|
while not x[0] and tries:
|
|
try:
|
|
s6.sendto(msg, ('ff02::c', 1900))
|
|
except Exception:
|
|
pass
|
|
x = select((s6,), (), (), 3.0)
|
|
tries -= 1
|
|
if not x[0]:
|
|
raise Exception("Unable to find XCC via SSDP on {}".format(nicidx))
|
|
(rsp, peer) = s6.recvfrom(9000)
|
|
if '%' in peer[0]:
|
|
return peer[0]
|
|
else:
|
|
return '{}%{}'.format(peer[0], nicidx)
|
|
|
|
|
|
class Session(object):
|
|
def __init__(self, devnode='/dev/ipmi0'):
|
|
"""Create a local session inband
|
|
|
|
:param: devnode: The path to the ipmi device
|
|
"""
|
|
self.ipmidev = open(devnode, 'r+')
|
|
fcntl.ioctl(self.ipmidev, IPMICTL_SET_MY_ADDRESS_CMD, BMC_SLAVE_ADDR)
|
|
# the interface is initted, create some reusable memory for our session
|
|
self.databuffer = ctypes.create_string_buffer(4096)
|
|
self.req = IpmiReq()
|
|
self.rsp = IpmiRecv()
|
|
self.addr = IpmiSystemInterfaceAddr()
|
|
self.req.msg.data = ctypes.cast(
|
|
ctypes.addressof(self.databuffer),
|
|
ctypes.POINTER(ctypes.c_ubyte))
|
|
self.rsp.msg.data = self.req.msg.data
|
|
self.userid = None
|
|
self.password = None
|
|
|
|
def await_reply(self):
|
|
rd, _, _ = select((self.ipmidev,), (), (), 1)
|
|
while not rd:
|
|
rd, _, _ = select((self.ipmidev,), (), (), 1)
|
|
|
|
def pause(self, seconds):
|
|
time.sleep(seconds)
|
|
|
|
@property
|
|
def parsed_rsp(self):
|
|
response = {'netfn': self.rsp.msg.netfn, 'command': self.rsp.msg.cmd,
|
|
'code': bytearray(self.databuffer.raw)[0],
|
|
'data': bytearray(
|
|
self.databuffer.raw[1:self.rsp.msg.data_len])}
|
|
return response
|
|
|
|
def raw_command(self,
|
|
netfn,
|
|
command,
|
|
data=(),
|
|
bridge_request=None,
|
|
retry=True,
|
|
delay_xmit=None,
|
|
timeout=None,
|
|
waitall=False, rslun=0):
|
|
self.addr.channel = CURRCHAN
|
|
self.addr.addr_type = ADDRTYPE
|
|
self.addr.lun = rslun
|
|
self.req.addr_len = ctypes.sizeof(IpmiSystemInterfaceAddr)
|
|
self.req.addr = ctypes.pointer(self.addr)
|
|
self.req.msg.netfn = netfn
|
|
self.req.msg.cmd = command
|
|
if data:
|
|
data = memoryview(bytearray(data))
|
|
try:
|
|
self.databuffer[:len(data)] = data[:len(data)]
|
|
except ValueError:
|
|
self.databuffer[:len(data)] = data[:len(data)].tobytes()
|
|
self.req.msg.data_len = len(data)
|
|
fcntl.ioctl(self.ipmidev, IPMICTL_SEND_COMMAND, self.req)
|
|
self.await_reply()
|
|
self.rsp.msg.data_len = 4096
|
|
self.rsp.addr = ctypes.pointer(self.addr)
|
|
self.rsp.addr_len = ctypes.sizeof(IpmiSystemInterfaceAddr)
|
|
fcntl.ioctl(self.ipmidev, IPMICTL_RECV, self.rsp)
|
|
return self.parsed_rsp
|
|
|
|
class Verifier(object):
|
|
def __init__(self, fprint):
|
|
self._fprint = fprint
|
|
|
|
def validate(self, certificate):
|
|
return hashlib.sha256(certificate).digest() == self._fprint
|
|
|
|
|
|
def dotwait():
|
|
sys.stderr.write('.')
|
|
sys.stderr.flush()
|
|
time.sleep(0.5)
|
|
|
|
def disable_host_interface():
|
|
s = Session('/dev/ipmi0')
|
|
rsp = s.raw_command(netfn=0xc, command=1, data=(1, 0xc1, 0))
|
|
|
|
def get_redfish_creds():
|
|
os.makedirs('/run/redfish', exist_ok=True, mode=0o700)
|
|
try:
|
|
with open('/run/redfish/credentials', 'rb') as credin:
|
|
cred = credin.read()
|
|
except FileNotFoundError:
|
|
s = Session('/dev/ipmi0')
|
|
rsp = s.raw_command(netfn=0x2c, command=2, data=(0x52, 0xa5))
|
|
cred = bytes(rsp['data'])
|
|
with open('/run/redfish/credentials', 'wb') as credout:
|
|
credout.write(cred)
|
|
if cred[0] == 0x52:
|
|
cred = cred[1:]
|
|
creds = cred.split(b'\x00')[:2]
|
|
return creds
|
|
|
|
|
|
def get_redfish_fingerprint():
|
|
os.makedirs('/run/redfish', exist_ok=True, mode=0o700)
|
|
try:
|
|
with open('/run/redfish/fingerprint', 'rb') as certin:
|
|
fprint = certin.read()
|
|
except FileNotFoundError:
|
|
s = Session('/dev/ipmi0')
|
|
rsp = s.raw_command(0x2c, 1, data=(0x52, 1))
|
|
if rsp['data'][:2] == b'\x52\x01':
|
|
fprint = rsp['data'][2:]
|
|
with open('/run/redfish/fingerprint', 'wb') as printout:
|
|
printout.write(fprint)
|
|
return fprint
|
|
|
|
|
|
def enable_host_interface():
|
|
s = Session('/dev/ipmi0')
|
|
rsp = s.raw_command(netfn=0xc, command=2, data=(1, 0xc1, 0, 0))
|
|
usbenabled = rsp['data'][1] == 1
|
|
disableusb = not usbenabled
|
|
if not usbenabled:
|
|
s.raw_command(netfn=0xc, command=1, data=(1, 0xc1, 1))
|
|
sys.stderr.write("Enabling USB Interface")
|
|
rsp = s.raw_command(netfn=0xc, command=2, data=(1, 0xc1, 0, 0))
|
|
usbenabled = rsp['data'][1] == 1
|
|
while not usbenabled:
|
|
dotwait()
|
|
rsp = s.raw_command(netfn=0xc, command=2, data=(1, 0xc1, 0, 0))
|
|
usbenabled = rsp['data'][1] == 1
|
|
usbnic = get_nicname_from_dmi()
|
|
while not usbnic:
|
|
dotwait()
|
|
usbnic = get_nicname_from_dmi()
|
|
bmctarg = scan_nicname(usbnic)
|
|
while not bmctarg:
|
|
dotwait()
|
|
bmctarg = scan_nicname(usbnic)
|
|
sys.stderr.write("USB NIC Established\n")
|
|
sys.stderr.flush()
|
|
return bmctarg
|
|
|
|
def store_redfish_cert(bmc):
|
|
fprint = get_redfish_fingerprint()
|
|
verifier = Verifier(fprint)
|
|
peercert = None
|
|
with socket.create_connection((bmc, 443)) as plainsock:
|
|
finsock = ssl.wrap_socket(plainsock, cert_reqs=ssl.CERT_NONE) # to allow fprint based cert
|
|
peercert = finsock.getpeercert(binary_form=True)
|
|
if not verifier.validate(peercert):
|
|
raise Exception("Mismatched certificate")
|
|
if peercert:
|
|
with open('/run/redfish/cert.der', 'wb') as certout:
|
|
certout.write(peercert)
|
|
|
|
def main():
|
|
bmcuser, bmcpass = get_redfish_creds()
|
|
bmc = enable_host_interface()
|
|
store_redfish_cert(bmc)
|
|
print('Redfish user: {}'.format(bmcuser.decode()))
|
|
print('Redfish password: {}'.format(bmcpass.decode()))
|
|
print('Redfish host: https://[{}]/'.format(bmc))
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|