diff options
Diffstat (limited to 'ipaserver/install/installutils.py')
-rw-r--r-- | ipaserver/install/installutils.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/ipaserver/install/installutils.py b/ipaserver/install/installutils.py index 3868c4d04..554e9b1cb 100644 --- a/ipaserver/install/installutils.py +++ b/ipaserver/install/installutils.py @@ -33,6 +33,9 @@ import time from ipapython import ipautil from ipapython import dnsclient +class HostnameLocalhost(Exception): + pass + def get_fqdn(): fqdn = "" try: @@ -421,3 +424,15 @@ def wait_for_open_ports(host, ports, timeout=0): else: raise e +def resolve_host(host_name): + try: + addrinfos = socket.getaddrinfo(host_name, None, + socket.AF_UNSPEC, socket.SOCK_STREAM) + for ai in addrinfos: + ip = ai[4][0] + if ip == "127.0.0.1" or ip == "::1": + raise HostnameLocalhost("The hostname resolves to the localhost address") + + return addrinfos[0][4][0] + except: + return None |