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[device/quanta] Mitigation for security vulnerability #11867

Merged
merged 13 commits into from
Oct 19, 2022
Merged

[device/quanta] Mitigation for security vulnerability #11867

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5df03f9
Mitigate security in subprocess
maipbui Aug 29, 2022
a2a94a6
Add more arguments
maipbui Aug 29, 2022
ab31cfe
Fix args to make subprocess work
maipbui Aug 30, 2022
78df48c
Add args
maipbui Aug 30, 2022
02c79f0
Convert cmd string to cmd array
maipbui Aug 30, 2022
96488b4
Use with
maipbui Sep 1, 2022
ddf291c
Fix p2 returncode
maipbui Sep 2, 2022
85cd030
Add p1 returncode
maipbui Sep 7, 2022
b2f432b
Replace unsafe funcs in platform
maipbui Sep 19, 2022
a6453a5
Restore deleted text
maipbui Sep 19, 2022
ba7a4be
Change run to call and use common lib
maipbui Oct 5, 2022
62c4237
Fix lgtm
maipbui Oct 17, 2022
e521b22
Fix PR comments
maipbui Oct 18, 2022
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43 changes: 25 additions & 18 deletions device/quanta/x86_64-quanta_ix1b_rglbmc-r0/plugins/psuutil.py
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Original file line number Diff line number Diff line change
Expand Up @@ -22,11 +22,13 @@ def show_log(txt):
return


def exec_cmd(cmd, show):
def exec_cmd(cmd_args, out_file, show):
cmd = ' '.join(cmd_args) + ' > ' + out_file
logging.info('Run :'+cmd)
try:
output = subprocess.check_output(cmd, shell=True, universal_newlines=True)
show_log(cmd + "output:"+str(output))
with open(out_file, 'w') as f:
output = subprocess.run(cmd_args, stdout=f, universal_newlines=True, check=True).stdout
show_log(cmd + "output:"+str(output))
except subprocess.CalledProcessError as e:
logging.info("Failed :"+cmd)
if show:
Expand All @@ -40,13 +42,18 @@ def my_log(txt):
return


def log_os_system(cmd, show):
def log_os_system(cmd1_args, cmd2_args, show):
cmd = ' '.join(cmd1_args) + ' | ' + ' '.join(cmd2_args)
logging.info('Run :'+cmd)
status = 1
output = ""
try:
output = subprocess.check_output(cmd, shell=True, universal_newlines=True)
my_log(cmd + "output:"+str(output))
with subprocess.Popen(cmd1_args, universal_newlines=True, stdout=subprocess.PIPE) as p1:
with subprocess.Popen(cmd2_args, universal_newlines=True, stdin=p1.stdout, stdout=subprocess.PIPE) as p2:
output = p2.communicate()[0]
if p2.returncode == 1:
raise subprocess.CalledProcessError(returncode=p2.returncode, cmd=cmd, output=output)
my_log(cmd + "output:"+str(output))
except subprocess.CalledProcessError as e:
logging.info('Failed :'+cmd)
if show:
Expand All @@ -55,28 +62,28 @@ def log_os_system(cmd, show):


def gpio16_exist():
ls = log_os_system("ls /sys/class/gpio/ | grep gpio16", 0)
ls = log_os_system(["ls", "/sys/class/gpio/"], ["grep", "gpio16"], 0)
logging.info('mods:'+ls)
if len(ls) == 0:
return False


def gpio17_exist():
ls = log_os_system("ls /sys/class/gpio/ | grep gpio17", 0)
ls = log_os_system(["ls", "/sys/class/gpio/"], ["grep", "gpio17"], 0)
logging.info('mods:'+ls)
if len(ls) == 0:
return False


def gpio19_exist():
ls = log_os_system("ls /sys/class/gpio/ | grep gpio19", 0)
ls = log_os_system(["ls", "/sys/class/gpio/"], ["grep", "gpio19"], 0)
logging.info('mods:'+ls)
if len(ls) == 0:
return False


def gpio20_exist():
ls = log_os_system("ls /sys/class/gpio/ | grep gpio20", 0)
ls = log_os_system(["ls", "/sys/class/gpio/"], ["grep", "gpio20"], 0)
logging.info('mods:'+ls)
if len(ls) == 0:
return False
Expand All @@ -95,20 +102,20 @@ def __init__(self):
PsuBase.__init__(self)

if gpio16_exist() == False:
output = exec_cmd("echo 16 > /sys/class/gpio/export ", 1)
output = exec_cmd("echo in > /sys/class/gpio/gpio16/direction ", 1)
output = exec_cmd(["echo", "16"], "/sys/class/gpio/export", 1)
output = exec_cmd(["echo", "in"], "/sys/class/gpio/gpio16/direction", 1)

if gpio17_exist() == False:
output = exec_cmd("echo 17 > /sys/class/gpio/export ", 1)
output = exec_cmd("echo in > /sys/class/gpio/gpio17/direction ", 1)
output = exec_cmd(["echo", "17"], "/sys/class/gpio/export", 1)
output = exec_cmd(["echo", "in"], "/sys/class/gpio/gpio17/direction", 1)

if gpio19_exist() == False:
output = exec_cmd("echo 19 > /sys/class/gpio/export ", 1)
output = exec_cmd("echo in > /sys/class/gpio/gpio19/direction ", 1)
output = exec_cmd(["echo", "19"], "/sys/class/gpio/export", 1)
output = exec_cmd(["echo", "in"], "/sys/class/gpio/gpio19/direction", 1)

if gpio20_exist() == False:
output = exec_cmd("echo 20 > /sys/class/gpio/export ", 1)
output = exec_cmd("echo in > /sys/class/gpio/gpio20/direction ", 1)
output = exec_cmd(["echo", "20"], "/sys/class/gpio/export", 1)
output = exec_cmd(["echo", "in"], "/sys/class/gpio/gpio20/direction", 1)

# Get sysfs attribute
def get_attr_value(self, attr_path):
Expand Down