From 05abcc40f5eafbd98182a468112bcdf3c8eb56d6 Mon Sep 17 00:00:00 2001 From: Jeff Forcier Date: Fri, 27 Sep 2013 16:08:59 -0700 Subject: Fix #179 - missing host variable in fqdn evaluation --- paramiko/config.py | 39 ++++++++++++++++++++++++--------------- tests/test_util.py | 11 +++++++++++ 2 files changed, 35 insertions(+), 15 deletions(-) diff --git a/paramiko/config.py b/paramiko/config.py index b0be1a8e..520da356 100644 --- a/paramiko/config.py +++ b/paramiko/config.py @@ -35,9 +35,10 @@ class LazyFqdn(object): Returns the host's fqdn on request as string. """ - def __init__(self, config): + def __init__(self, config, host=None): self.fqdn = None self.config = config + self.host = host def __str__(self): if self.fqdn is None: @@ -54,19 +55,27 @@ class LazyFqdn(object): fqdn = None address_family = self.config.get('addressfamily', 'any').lower() if address_family != 'any': - family = socket.AF_INET if address_family == 'inet' \ - else socket.AF_INET6 - results = socket.getaddrinfo(host, - None, - family, - socket.SOCK_DGRAM, - socket.IPPROTO_IP, - socket.AI_CANONNAME) - for res in results: - af, socktype, proto, canonname, sa = res - if canonname and '.' in canonname: - fqdn = canonname - break + try: + family = socket.AF_INET if address_family == 'inet' \ + else socket.AF_INET6 + results = socket.getaddrinfo( + self.host, + None, + family, + socket.SOCK_DGRAM, + socket.IPPROTO_IP, + socket.AI_CANONNAME + ) + for res in results: + af, socktype, proto, canonname, sa = res + if canonname and '.' in canonname: + fqdn = canonname + break + # giaerror -> socket.getaddrinfo() can't resolve self.host + # (which is from socket.gethostname()). Fall back to the + # getfqdn() call below. + except socket.gaierror: + pass # Handle 'any' / unspecified if fqdn is None: fqdn = socket.getfqdn() @@ -216,7 +225,7 @@ class SSHConfig (object): remoteuser = user host = socket.gethostname().split('.')[0] - fqdn = LazyFqdn(config) + fqdn = LazyFqdn(config, host) homedir = os.path.expanduser('~') replacements = {'controlpath': [ diff --git a/tests/test_util.py b/tests/test_util.py index efda9b2f..a528224e 100644 --- a/tests/test_util.py +++ b/tests/test_util.py @@ -329,3 +329,14 @@ IdentityFile id_dsa22 paramiko.util.lookup_ssh_host_config(host, config), values ) + + def test_12_config_addressfamily_and_lazy_fqdn(self): + """ + Ensure the code path honoring non-'all' AddressFamily doesn't asplode + """ + test_config = """ +AddressFamily inet +IdentityFile something_%l_using_fqdn +""" + config = paramiko.util.parse_ssh_config(cStringIO.StringIO(test_config)) + assert config.lookup('meh') # will die during lookup() if bug regresses -- cgit v1.2.3 From 8b983d9d3d9c91f321c3f18ecc8fa2e9343ce661 Mon Sep 17 00:00:00 2001 From: Jeff Forcier Date: Fri, 27 Sep 2013 16:10:56 -0700 Subject: Changelog re #179 --- NEWS | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/NEWS b/NEWS index fadd878c..28a95cef 100644 --- a/NEWS +++ b/NEWS @@ -12,6 +12,13 @@ Issues noted as "Fabric #NN" can be found at https://github.com/fabric/fabric/. Releases ======== +v1.10.4 (27th Sep 2013) +----------------------- + +* #179: Fix a missing variable causing errors when an ssh_config file has a + non-default AddressFamily set. Thanks to Ed Marshall & Tomaz Muraus for catch + & patch. + v1.10.3 (20th Sep 2013) ----------------------- -- cgit v1.2.3