def _verifyProxyAuthToken(auth_token):
""" verifies the validity of a proxy auth token
NOTE: X-RHN-Proxy-Auth described in proxy/broker/rhnProxyAuth.py
"""
log_debug(4, auth_token)
token, hostname = splitProxyAuthToken(auth_token)
hostname = hostname.strip()
ipv4_regex = '^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])$'
# This ipv6 regex was develeoped by Stephen Ryan at Dataware.
# (http://forums.intermapper.com/viewtopic.php?t=452) It is licenced
# under a Creative Commons Attribution-ShareAlike 3.0 Unported
# License, so we are free to use it as long as we attribute it to him.
ipv6_regex = '^((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?$'
hostname_is_ip_address = re.match(ipv4_regex, hostname) or re.match(ipv6_regex, hostname)
headers = rhnFlags.get('outputTransportOptions')
if len(token) < 5:
# Bad auth information; decline any action
log_debug(4, "incomplete proxy authentication token: %s"
% auth_token)
headers['X-RHN-Proxy-Auth-Error'] = '%s:%s' % (
1003, _("incomplete proxy authentication token: %s") % auth_token)
if not hostname_is_ip_address:
headers['X-RHN-Proxy-Auth-Origin'] = hostname
raise rhnFault(1003) # Invalid session key
log_debug(5, "proxy auth token: %s, hostname: %s"
% (repr(token), hostname or 'n/a'))
proxyId, proxyUser, rhnServerTime, expireOffset, signature = token[:5]
computed = computeSignature(CFG.SECRET_KEY, proxyId, proxyUser,
rhnServerTime, expireOffset)
if computed != signature:
log_error("Proxy signature failed: proxy id='%s', proxy user='******'" %
(proxyId, proxyUser))
log_debug(4, "Sent proxy signature %s does not match ours %s." % (
signature, computed))
headers['X-RHN-Proxy-Auth-Error'] = '%s:%s' % (
1003, _("Sent proxy signature %s does not match ours %s.") % (
signature, computed))
if not hostname_is_ip_address:
headers['X-RHN-Proxy-Auth-Origin'] = hostname
raise rhnFault(1003) # Invalid session key
# Convert the expiration/time to floats:
rhnServerTime = float(rhnServerTime)
expireOffset = float(expireOffset)
if rhnServerTime + expireOffset < time.time():
log_debug(4, "Expired proxy authentication token")
headers['X-RHN-Proxy-Auth-Error'] = '%s:%s' % (1004, "Expired")
if not hostname_is_ip_address:
headers['X-RHN-Proxy-Auth-Origin'] = hostname
raise rhnFault(1004) # Expired client authentication token
log_debug(4, "Proxy auth OK: sigs match; not an expired token")
return 1
def _verifyProxyAuthToken(auth_token):
""" verifies the validity of a proxy auth token
NOTE: X-RHN-Proxy-Auth described in proxy/broker/rhnProxyAuth.py
"""
log_debug(4, auth_token)
token, hostname = splitProxyAuthToken(auth_token)
hostname = hostname.strip()
ipv4_regex = '^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])$'
# This ipv6 regex was develeoped by Stephen Ryan at Dataware.
# (http://forums.intermapper.com/viewtopic.php?t=452) It is licenced
# under a Creative Commons Attribution-ShareAlike 3.0 Unported
# License, so we are free to use it as long as we attribute it to him.
ipv6_regex = '^((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?$'
hostname_is_ip_address = re.match(ipv4_regex, hostname) or re.match(ipv6_regex, hostname)
headers = rhnFlags.get('outputTransportOptions')
if len(token) < 5:
# Bad auth information; decline any action
log_debug(4, "incomplete proxy authentication token: %s"
% auth_token)
headers['X-RHN-Proxy-Auth-Error'] = '%s:%s' % (
1003, _("incomplete proxy authentication token: %s") % auth_token)
if not hostname_is_ip_address:
headers['X-RHN-Proxy-Auth-Origin'] = hostname
raise rhnFault(1003) # Invalid session key
log_debug(5, "proxy auth token: %s, hostname: %s"
% (repr(token), hostname or 'n/a'))
proxyId, proxyUser, rhnServerTime, expireOffset, signature = token[:5]
computed = computeSignature(CFG.SECRET_KEY, proxyId, proxyUser,
rhnServerTime, expireOffset)
if computed != signature:
log_error("Proxy signature failed: proxy id='%s', proxy user='******'" %
(proxyId, proxyUser))
log_debug(4, "Sent proxy signature %s does not match ours %s." % (
signature, computed))
headers['X-RHN-Proxy-Auth-Error'] = '%s:%s' % (
1003, _("Sent proxy signature %s does not match ours %s.") % (
signature, computed))
if not hostname_is_ip_address:
headers['X-RHN-Proxy-Auth-Origin'] = hostname
raise rhnFault(1003) # Invalid session key
# Convert the expiration/time to floats:
rhnServerTime = float(rhnServerTime)
expireOffset = float(expireOffset)
if rhnServerTime + expireOffset < time.time():
log_debug(4, "Expired proxy authentication token")
headers['X-RHN-Proxy-Auth-Error'] = '%s:%s' % (1004, "Expired")
if not hostname_is_ip_address:
headers['X-RHN-Proxy-Auth-Origin'] = hostname
raise rhnFault(1004) # Expired client authentication token
log_debug(4, "Proxy auth OK: sigs match; not an expired token")
return 1
def auth_client():
""" Authenticates a request from a client
For an unsigned request, this function returns 0 (request should be
coming from a client).
"""
log_debug(3)
if not rhnFlags.test("AUTH_SESSION_TOKEN"):
# No auth information; decline any GET action (XMLRPC requests
# ignore this error).
log_debug(4, "declined client authentication for GET requests")
return 0
token = dict((k.lower(),v) for k,v in rhnFlags.get("AUTH_SESSION_TOKEN").items())
# Check to see if everything we need to compute the signature is there
for k in ('x-rhn-server-id',
'x-rhn-auth-user-id',
'x-rhn-auth',
'x-rhn-auth-server-time',
'x-rhn-auth-expire-offset'):
if k not in token:
# No auth information; decline any action
log_debug(4, "Declined auth of client for GET requests; "
"incomplete header info.")
return 0
clientId = token['x-rhn-server-id']
username = token['x-rhn-auth-user-id']
signature = token['x-rhn-auth']
rhnServerTime = token['x-rhn-auth-server-time']
expireOffset = token['x-rhn-auth-expire-offset']
computed = computeSignature(CFG.SECRET_KEY, clientId, username,
rhnServerTime, expireOffset)
if computed != signature:
log_debug(4, "Sent client signature %s does not match ours %s." % (
signature, computed))
raise rhnFault(33, "Invalid client session key")
# Convert the expiration/time to floats:
rhnServerTime = float(rhnServerTime)
expireOffset = float(expireOffset)
if rhnServerTime + expireOffset < time.time():
log_debug(4, "Expired client authentication token")
raise rhnFault(34, "Expired client authentication token")
log_debug(4, "Client auth OK")
return 1
def _verifyProxyAuthToken(auth_token):
""" verifies the validity of a proxy auth token
NOTE: X-RHN-Proxy-Auth described in proxy/broker/rhnProxyAuth.py
"""
log_debug(4, auth_token)
token, hostname = splitProxyAuthToken(auth_token)
headers = rhnFlags.get('outputTransportOptions')
if len(token) < 5:
# Bad auth information; decline any action
log_debug(4, "incomplete proxy authentication token: %s"
% auth_token)
headers['X-RHN-Proxy-Auth-Error'] = '%s:%s' % (
1003, _("incomplete proxy authentication token: %s") % auth_token)
raise rhnFault(1003) # Invalid session key
log_debug(5, "proxy auth token: %s, hostname: %s"
% (repr(token), hostname or 'n/a'))
proxyId, proxyUser, rhnServerTime, expireOffset, signature = token[:5]
computed = computeSignature(CFG.SECRET_KEY, proxyId, proxyUser,
rhnServerTime, expireOffset)
if computed != signature:
log_error("Proxy signature failed: proxy id='%s', proxy user='******'" %
(proxyId, proxyUser))
log_debug(4, "Sent proxy signature %s does not match ours %s." % (
signature, computed))
headers['X-RHN-Proxy-Auth-Error'] = '%s:%s' % (
1003, _("Sent proxy signature %s does not match ours %s.") % (
signature, computed))
raise rhnFault(1003) # Invalid session key
# Convert the expiration/time to floats:
rhnServerTime = float(rhnServerTime)
expireOffset = float(expireOffset)
if rhnServerTime + expireOffset < time.time():
log_debug(4, "Expired proxy authentication token")
headers['X-RHN-Proxy-Auth-Error'] = '%s:%s' % (1004, "Expired")
raise rhnFault(1004) # Expired client authentication token
log_debug(4, "Proxy auth OK: sigs match; not an expired token")
return 1