def is_installed_oscap_ok():
"""Check whether expected openscap rpms are installed."""
class GetCmdStdout():
def __init__(self):
self.stdout_lines = []
def __call__(self, line):
if line.strip():
self.stdout_lines.append(line.strip())
if not os.path.exists(settings.openscap_binary):
log_message("Oscap with SCE enabled is not installed")
return False
if not os.access(settings.openscap_binary, os.X_OK):
log_message("Oscap with SCE %s is not executable"
% settings.openscap_binary)
return False
# that's generic problem that could be on various rpm-based systems
url = "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html-single/6.10_release_notes/index#BZ1804691"
for pkg in settings.openscap_rpms:
cmd = ["rpm", "-q", pkg, "--qf", "%{ARCH}\n"]
cmdout = GetCmdStdout()
ProcessHelper.run_subprocess(cmd, function=cmdout)
if SystemIdentification.get_arch() not in cmdout.stdout_lines:
log_message("The %s rpm is not installed for the"
" %s architecture. This usually ends in a broken"
" state in which all the Preupgrade Assistant modules"
" are skipped (notchecked state). Please, install"
" packages related for your architecture. See %s"
" for more info."
% (pkg, SystemIdentification.get_arch(), url))
return False
return True
def common_results(self):
"""run common scripts"""
log_message("Gathering logs used by the Preupgrade Assistant:")
self.switch_dir()
try:
max_length = max(
max([len(x.split("=", 4)[3]) for x in self.lines]),
len(settings.assessment_text))
# Log files which will not be updated
# when RPM database is not changed
for counter, line in enumerate(self.lines):
line = line.strip()
if line.startswith("#"):
continue
cmd, log_file, dummy_bash_value, name, values = line.split(
"=", 4)
log_message(
"%s : %.2d/%d ...running" %
(name.ljust(max_length), counter + 1, len(self.lines)),
new_line=False)
start_time = datetime.datetime.now()
common_file_path = self.common_logfiles(log_file)
ProcessHelper.run_subprocess(cmd,
output=common_file_path,
shell=True)
end_time = datetime.datetime.now()
diff = end_time - start_time
log_message(" %sfinished (time %.2d:%.2ds)" %
('\b' * 8, diff.seconds / 60, diff.seconds % 60))
# os.chmod(common_file_path, 0640)
self.switch_back_dir()
except IOError:
return 0
else:
return 1
def common_results(self):
"""run common scripts"""
log_message("Gathering logs used by the Preupgrade Assistant:")
self.switch_dir()
try:
max_length = max(max([len(x.split("=", 4)[3]) for x in self.lines]), len(settings.assessment_text))
# Log files which will not be updated
# when RPM database is not changed
for counter, line in enumerate(self.lines):
line = line.strip()
if line.startswith("#"):
continue
cmd, log_file, dummy_bash_value, name, values = line.split("=", 4)
log_message("%s : %.2d/%d ...running" % (name.ljust(max_length),
counter+1,
len(self.lines)),
new_line=False)
start_time = datetime.datetime.now()
common_file_path = self.common_logfiles(log_file)
ProcessHelper.run_subprocess(cmd, output=common_file_path, shell=True)
end_time = datetime.datetime.now()
diff = end_time - start_time
log_message(" %sfinished (time %.2d:%.2ds)" % ('\b' * 8,
diff.seconds / 60,
diff.seconds % 60))
# os.chmod(common_file_path, 0640)
self.switch_back_dir()
except IOError:
return 0
else:
return 1
def check_rpm_to(check_rpm="", check_bin=""):
"""
Function checks if relevant package is installed and if relevant binary exists on the system.
Function is needed from module point of view.
:param check_rpm: list of RPMs separated by comma
:param check_bin: list of binaries separated by comma
:return:
"""
not_applicable = 0
if check_rpm != "":
rpms = check_rpm.split(',')
lines = FileHelper.get_file_content(VALUE_RPM_QA, "rb", True)
for rpm in rpms:
lst = [x for x in lines if rpm == x.split('\t')[0]]
if not lst:
log_high_risk("Package %s is not installed." % rpm)
not_applicable = 1
if check_bin != "":
binaries = check_bin.split(',')
lines = FileHelper.get_file_content(VALUE_EXECUTABLES, "rb", True)
for binary in binaries:
cmd = "which %s" % binary
if ProcessHelper.run_subprocess(cmd, print_output=False, shell=True) != 0:
log_high_risk("Binary %s is not installed." % binary)
not_applicable = 1
if not_applicable:
log_high_risk("Please, install all required packages (and binaries)"
" and run preupg again to process check properly.")
exit_fail()
return not_applicable
def check_rpm_to(check_rpm="", check_bin=""):
"""
Function checks if relevant package is installed and if relevant binary exists on the system.
Function is needed from module point of view.
:param check_rpm: list of RPMs separated by comma
:param check_bin: list of binaries separated by comma
:return:
"""
not_applicable = 0
if check_rpm != "":
rpms = check_rpm.split(',')
lines = FileHelper.get_file_content(VALUE_RPM_QA, "rb", True)
for rpm in rpms:
lst = [x for x in lines if rpm == x.split('\t')[0]]
if not lst:
log_high_risk("Package %s is not installed." % rpm)
not_applicable = 1
if check_bin != "":
binaries = check_bin.split(',')
for binary in binaries:
cmd = "which %s" % binary
if ProcessHelper.run_subprocess(
cmd, print_output=False, shell=True) != 0:
log_high_risk("Binary %s is not installed." % binary)
not_applicable = 1
if not_applicable:
log_high_risk("Please, install all required packages (and binaries)"
" and run preupg again to process check properly.")
exit_fail()
return not_applicable
def kickstart_scripts():
ks_scripts_file = os.path.join(settings.data_dir, "preassessment",
settings.KS_SCRIPTS)
try:
lines = FileHelper.get_file_content(ks_scripts_file, "rb", True)
for line in lines:
line = line.strip()
if line.startswith("#"):
continue
if 'is not installed' in line:
continue
cmd, name = line.split("=", 2)
kickstart_file = os.path.join(settings.KS_DIR, name)
ProcessHelper.run_subprocess(cmd, output=kickstart_file, shell=True)
except IOError:
pass
def run_scan(self, function=None):
"""
The function is used for either scanning system or
for applying changes on the target system
"""
cmd = self.openscap_helper.build_command()
logger_debug.debug('running_command: %s', cmd)
return ProcessHelper.run_subprocess(cmd, print_output=False, function=function)
def run_scan(self, function=None):
"""
The function is used for either scanning system or
for applying changes on the target system
"""
cmd = self.openscap_helper.build_command()
logger_debug.debug('running_command: %s', cmd)
return ProcessHelper.run_subprocess(cmd, print_output=False, function=function)
def kickstart_scripts():
ks_scripts_file = os.path.join(settings.data_dir, "preassessment",
settings.KS_SCRIPTS)
try:
lines = FileHelper.get_file_content(ks_scripts_file, "rb", True)
for line in lines:
line = line.strip()
if line.startswith("#"):
continue
if 'is not installed' in line:
continue
cmd, name = line.split("=", 2)
kickstart_file = os.path.join(settings.KS_DIR, name)
ProcessHelper.run_subprocess(cmd,
output=kickstart_file,
shell=True)
except IOError:
pass
def prepare_xml_for_html(self):
"""The function prepares a XML file for HTML creation"""
# Reload XML file
self.report_parser.reload_xml(self.openscap_helper.get_default_xml_result_path())
# Replace fail in case of slight and medium risks with needs_inspection
self.report_parser.replace_inplace_risk(scanning_results=self.scanning_progress)
if not self.conf.debug:
self.report_parser.remove_debug_info()
self.report_parser.reload_xml(self.openscap_helper.get_default_xml_result_path())
self.report_parser.update_check_description()
self.prepare_for_generation()
if not self.conf.verbose:
self.xml_mgr.remove_html_information()
# This function finalize XML operations
self.finalize_xml_files()
if self.conf.text:
ProcessHelper.run_subprocess(self.get_cmd_convertor(), print_output=False, shell=True)
def prepare_xml_for_html(self):
"""The function prepares a XML file for HTML creation"""
# Reload XML file
self.report_parser.reload_xml(
self.openscap_helper.get_default_xml_result_path())
# Replace fail in case of slight and medium risks with needs_inspection
self.report_parser.replace_inplace_risk(
scanning_results=self.scanning_progress)
if not self.conf.debug:
self.report_parser.remove_debug_info()
self.report_parser.reload_xml(
self.openscap_helper.get_default_xml_result_path())
self.report_parser.update_check_description()
self.prepare_for_generation()
if not self.conf.verbose:
self.xml_mgr.remove_html_information()
# This function finalize XML operations
self.finalize_xml_files()
if self.conf.text:
ProcessHelper.run_subprocess(self.get_cmd_convertor(),
print_output=False,
shell=True)
def generate_html():
if not os.path.exists(diff_report_name_xml):
sys.exit("Error: HTML generation failed: source {0} not found."
.format(diff_report_name_xml))
cmd = OpenSCAPHelper.build_generate_command(diff_report_name_xml,
diff_report_name_html,
parsed_opts.simple_html)
log = "html.log" # log for text printed during html generation
ret_val = ProcessHelper.run_subprocess(cmd, print_output=True,
output=log)
if ret_val != 0:
sys.exit("Error: HTML generation failed. See {0} for details."
.format(log))
else: # no error when generating html - safe to remove the log
os.remove(log)
def generate_html_or_text(self):
self.generate_html()
if self.conf.text:
ProcessHelper.run_subprocess(self.get_cmd_convertor(),
print_output=False,
shell=True)
def generate_html_or_text(self):
self.generate_html()
if self.conf.text:
ProcessHelper.run_subprocess(self.get_cmd_convertor(), print_output=False, shell=True)
