diff options
Diffstat (limited to 'resources')
| -rw-r--r-- | resources/libraries/python/Classify.py | 103 |
1 files changed, 75 insertions, 28 deletions
diff --git a/resources/libraries/python/Classify.py b/resources/libraries/python/Classify.py index 1938688900..2b9ab3d11c 100644 --- a/resources/libraries/python/Classify.py +++ b/resources/libraries/python/Classify.py @@ -16,7 +16,7 @@ import binascii import re -from socket import AF_INET, AF_INET6, inet_aton, inet_pton +from ipaddress import ip_address from robot.api import logger @@ -40,9 +40,16 @@ class Classify(object): :returns MAC ACL mask in hexstring format. :rtype: str """ + if ether_type: + end = 28 + elif src_mac: + end = 24 + else: + end = 12 + return ('{!s:0>12}{!s:0>12}{!s:0>4}'.format( - dst_mac.replace(':', ''), src_mac.replace(':', ''), ether_type)).\ - rstrip('0') + dst_mac.replace(':', ''), src_mac.replace(':', ''), + ether_type))[0:end] @staticmethod def _build_ip_mask(proto='', src_ip='', dst_ip='', src_port='', @@ -62,8 +69,19 @@ class Classify(object): :returns: IP mask in hexstring format. :rtype: str """ + if dst_port: + end = 48 + elif src_port: + end = 44 + elif dst_ip: + end = 40 + elif src_ip: + end = 32 + else: + end = 20 + return ('{!s:0>20}{!s:0>12}{!s:0>8}{!s:0>4}{!s:0>4}'.format( - proto, src_ip, dst_ip, src_port, dst_port)).rstrip('0') + proto, src_ip, dst_ip, src_port, dst_port))[0:end] @staticmethod def _build_ip6_mask(next_hdr='', src_ip='', dst_ip='', src_port='', @@ -83,8 +101,19 @@ class Classify(object): :returns: IPv6 ACL mask in hexstring format. :rtype: str """ + if dst_port: + end = 88 + elif src_port: + end = 84 + elif dst_ip: + end = 80 + elif src_ip: + end = 48 + else: + end = 14 + return ('{!s:0>14}{!s:0>34}{!s:0>32}{!s:0>4}{!s:0>4}'.format( - next_hdr, src_ip, dst_ip, src_port, dst_port)).rstrip('0') + next_hdr, src_ip, dst_ip, src_port, dst_port))[0:end] @staticmethod def _build_mac_match(dst_mac='', src_mac='', ether_type=''): @@ -99,13 +128,16 @@ class Classify(object): :returns: MAC ACL match data in hexstring format. :rtype: str """ - if dst_mac: - dst_mac = dst_mac.replace(':', '') - if src_mac: - src_mac = src_mac.replace(':', '') + if ether_type: + end = 28 + elif src_mac: + end = 24 + else: + end = 12 return ('{!s:0>12}{!s:0>12}{!s:0>4}'.format( - dst_mac, src_mac, ether_type)).rstrip('0') + dst_mac.replace(':', ''), src_mac.replace(':', ''), + ether_type))[0:end] @staticmethod def _build_ip_match(proto=0, src_ip='', dst_ip='', src_port=0, dst_port=0): @@ -125,13 +157,23 @@ class Classify(object): :rtype: str """ if src_ip: - src_ip = binascii.hexlify(inet_aton(src_ip)) + src_ip = binascii.hexlify(ip_address(unicode(src_ip)).packed) if dst_ip: - dst_ip = binascii.hexlify(inet_aton(dst_ip)) + dst_ip = binascii.hexlify(ip_address(unicode(dst_ip)).packed) + if dst_port: + end = 48 + elif src_port: + end = 44 + elif dst_ip: + end = 40 + elif src_ip: + end = 32 + else: + end = 20 return ('{!s:0>20}{!s:0>12}{!s:0>8}{!s:0>4}{!s:0>4}'.format( hex(proto)[2:], src_ip, dst_ip, hex(src_port)[2:], - hex(dst_port)[2:])).rstrip('0') + hex(dst_port)[2:]))[0:end] @staticmethod def _build_ip6_match(next_hdr=0, src_ip='', dst_ip='', src_port=0, @@ -139,9 +181,9 @@ class Classify(object): """Build IPv6 ACL match data in hexstring format. :param next_hdr: Next header number with valid option "x". - :param src_ip: Source ip6 address with format of "xxx:xxxx::xxxx". + :param src_ip: Source ip6 address with format of "xxxx:xxxx::xxxx". :param dst_ip: Destination ip6 address with format of - "xxx:xxxx::xxxx". + "xxxx:xxxx::xxxx". :param src_port: Source port number "x". :param dst_port: Destination port number "x". :type next_hdr: int @@ -153,13 +195,23 @@ class Classify(object): :rtype: str """ if src_ip: - src_ip = binascii.hexlify(inet_pton(AF_INET6, src_ip)) + src_ip = binascii.hexlify(ip_address(unicode(src_ip)).packed) if dst_ip: - dst_ip = binascii.hexlify(inet_pton(AF_INET6, dst_ip)) + dst_ip = binascii.hexlify(ip_address(unicode(dst_ip)).packed) + if dst_port: + end = 88 + elif src_port: + end = 84 + elif dst_ip: + end = 80 + elif src_ip: + end = 48 + else: + end = 14 return ('{!s:0>14}{!s:0>34}{!s:0>32}{!s:0>4}{!s:0>4}'.format( hex(next_hdr)[2:], src_ip, dst_ip, hex(src_port)[2:], - hex(dst_port)[2:])).rstrip('0') + hex(dst_port)[2:]))[0:end] @staticmethod def _classify_add_del_table(node, is_add, mask, match_n_vectors=1, @@ -415,10 +467,8 @@ class Classify(object): ip4=Classify._build_ip_mask, ip6=Classify._build_ip6_mask ) - if ip_version == "ip4": - ip_addr = binascii.hexlify(inet_aton(ip_addr)) - elif ip_version == "ip6": - ip_addr = binascii.hexlify(inet_pton(AF_INET6, ip_addr)) + if ip_version == "ip4" or ip_version == "ip6": + ip_addr = binascii.hexlify(ip_address(unicode(ip_addr)).packed) else: raise ValueError("IP version {ver} is not supported.". format(ver=ip_version)) @@ -785,15 +835,13 @@ class Classify(object): groups = re.search(reg_ex_src_ip, rule) if groups: grp = groups.group(1).split(' ')[1].split('/') - acl_rule["src_ip_addr"] = str(inet_pton( - AF_INET6 if acl_rule["is_ipv6"] else AF_INET, grp[0])) + acl_rule["src_ip_addr"] = ip_address(unicode(grp[0])).packed acl_rule["src_ip_prefix_len"] = int(grp[1]) groups = re.search(reg_ex_dst_ip, rule) if groups: grp = groups.group(1).split(' ')[1].split('/') - acl_rule["dst_ip_addr"] = str(inet_pton( - AF_INET6 if acl_rule["is_ipv6"] else AF_INET, grp[0])) + acl_rule["dst_ip_addr"] = ip_address(unicode(grp[0])).packed acl_rule["dst_ip_prefix_len"] = int(grp[1]) groups = re.search(reg_ex_sport, rule) @@ -846,8 +894,7 @@ class Classify(object): groups = re.search(reg_ex_ip, rule) if groups: grp = groups.group(1).split(' ')[1].split('/') - acl_rule["src_ip_addr"] = str(inet_pton( - AF_INET6 if acl_rule["is_ipv6"] else AF_INET, grp[0])) + acl_rule["src_ip_addr"] = ip_address(unicode(grp[0])).packed acl_rule["src_ip_prefix_len"] = int(grp[1]) acl_rules.append(acl_rule) |