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Compile ca certs into a temp file to reduce number of attempts

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For those who may have a large number of certs found, this can reduce
the number of ssl connections attempted.
This commit is contained in:
James Cammarata 2014-03-12 13:44:24 -05:00
parent d37f0c6d12
commit 2c7d58abe0
1 changed files with 24 additions and 13 deletions
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37
lib/ansible/module_utils/urls.py
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@ -50,6 +50,7 @@ try:
except:
HAS_SSL=False
import tempfile
class RequestWithMethod(urllib2.Request):
'''
@ -109,32 +110,42 @@ class SSLValidationHandler(urllib2.BaseHandler):
# location if the OS platform one is not available
paths_checked.append('/etc/ansible')
tmp_fd, tmp_path = tempfile.mkstemp()
# for all of the paths, find any .crt or .pem files
# and compile them into single temp file for use
# in the ssl check to speed up the test
for path in paths_checked:
if os.path.exists(path) and os.path.isdir(path):
dir_contents = os.listdir(path)
for f in dir_contents:
full_path = os.path.join(path, f)
if os.path.isfile(full_path) and os.path.splitext(f)[1] in ('.crt','.pem'):
ca_certs.append(full_path)
try:
cert_file = open(full_path, 'r')
os.write(tmp_fd, cert_file.read())
cert_file.close()
except:
pass
return (ca_certs, paths_checked)
return (tmp_path, paths_checked)
def http_request(self, req):
ca_certs, paths_checked = self.get_ca_certs()
if len(ca_certs) > 0:
for ca_cert in ca_certs:
try:
server_cert = ssl.get_server_certificate((self.hostname, self.port), ca_certs=ca_cert)
return req
except ssl.SSLError:
# try the next one
pass
tmp_ca_cert_path, paths_checked = self.get_ca_certs()
try:
server_cert = ssl.get_server_certificate((self.hostname, self.port), ca_certs=tmp_ca_cert_path)
except ssl.SSLError:
# fail if we tried all of the certs but none worked
self.module.fail_json(msg='Failed to validate the SSL certificate for %s:%s. ' % (self.hostname, self.port) + \
'Use validate_certs=no or make sure your managed systems have a valid CA certificate installed. ' + \
'Paths checked for this platform: %s' % ", ".join(paths_checked))
# if no CA certs were found, we just fall through
# to here and return the request with no SSL validation
try:
# cleanup the temp file created, don't worry
# if it fails for some reason
os.remove(tmp_ca_cert_path)
except:
pass
return req
https_request = http_request