This is merely a historical archive of years 2008-2021, before the migration to mailman3.
A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/gerrit-log@lists.osmocom.org/.
laforge gerrit-no-reply at lists.osmocom.orglaforge has submitted this change. ( https://gerrit.osmocom.org/c/pysim/+/21860 ) Change subject: utils.py: Add helper method to get type of address (FQDN, IPv4, IPv6) ...................................................................... utils.py: Add helper method to get type of address (FQDN, IPv4, IPv6) The function takes address string as input, then validates it and returns the type. Return: 0x00 (FQDN), 0x01 (IPv4), 0x02 (IPv6), None (Bad address format) Change-Id: I0fabd4f17bbb11f6bb191c1a9e6276427f9d001f --- M pySim/utils.py 1 file changed, 58 insertions(+), 0 deletions(-) Approvals: Jenkins Builder: Verified laforge: Looks good to me, approved diff --git a/pySim/utils.py b/pySim/utils.py index 38cc580..c5a38d8 100644 --- a/pySim/utils.py +++ b/pySim/utils.py @@ -685,3 +685,61 @@ (rec_info['mcc'], rec_info['mnc'], rec_info['epdg_priority'], rec_info['epdg_fqdn_format']) s += "\t%s # %s\n" % (rec_data, rec_str) return s + +def get_addr_type(addr): + """ + Validates the given address and returns it's type (FQDN or IPv4 or IPv6) + Return: 0x00 (FQDN), 0x01 (IPv4), 0x02 (IPv6), None (Bad address argument given) + + TODO: Handle IPv6 + """ + + # Empty address string + if not len(addr): + return None + + import sys + # Handle python3 and python2 - unicode + if sys.version_info[0] < 3: + addr_str = unicode(addr) + else: + addr_str = addr + + addr_list = addr.split('.') + + # Check for IPv4/IPv6 + try: + import ipaddress + # Throws ValueError if addr is not correct + ipa = ipaddress.ip_address(addr_str) + + if ipa.version == 4: + return 0x01 + elif ipa.version == 6: + return 0x02 + except Exception as e: + invalid_ipv4 = True + for i in addr_list: + # Invalid IPv4 may qualify for a valid FQDN, so make check here + # e.g. 172.24.15.300 + import re + if not re.match('^[0-9_]+$', i): + invalid_ipv4 = False + break + + if invalid_ipv4: + return None + + fqdn_flag = True + for i in addr_list: + # Only Alpha-numeric characters and hyphen - RFC 1035 + import re + if not re.match("^[a-zA-Z0-9]+(?:-[a-zA-Z0-9]+)?$", i): + fqdn_flag = False + break + + # FQDN + if fqdn_flag: + return 0x00 + + return None -- To view, visit https://gerrit.osmocom.org/c/pysim/+/21860 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: pysim Gerrit-Branch: master Gerrit-Change-Id: I0fabd4f17bbb11f6bb191c1a9e6276427f9d001f Gerrit-Change-Number: 21860 Gerrit-PatchSet: 5 Gerrit-Owner: herlesupreeth <herlesupreeth at gmail.com> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: laforge <laforge at osmocom.org> Gerrit-MessageType: merged -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20210105/45ba8a48/attachment.htm>