diff options
| -rw-r--r-- | paramiko/config.py | 110 | ||||
| -rw-r--r-- | sites/docs/api/config.rst | 1 |
2 files changed, 56 insertions, 55 deletions
diff --git a/paramiko/config.py b/paramiko/config.py index 6f3bbdfc..ea978017 100644 --- a/paramiko/config.py +++ b/paramiko/config.py @@ -18,7 +18,7 @@ # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. """ -`.SSHConfig`. +Configuration file (aka ``ssh_config``) support. """ import fnmatch @@ -30,60 +30,6 @@ SSH_PORT = 22 proxy_re = re.compile(r"^(proxycommand)\s*=*\s*(.*)", re.I) -class LazyFqdn(object): - """ - Returns the host's fqdn on request as string. - """ - - def __init__(self, config, host=None): - self.fqdn = None - self.config = config - self.host = host - - def __str__(self): - if self.fqdn is None: - # - # If the SSH config contains AddressFamily, use that when - # determining the local host's FQDN. Using socket.getfqdn() from - # the standard library is the most general solution, but can - # result in noticeable delays on some platforms when IPv6 is - # misconfigured or not available, as it calls getaddrinfo with no - # address family specified, so both IPv4 and IPv6 are checked. - # - - # Handle specific option - fqdn = None - address_family = self.config.get('addressfamily', 'any').lower() - if address_family != 'any': - 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() - # Cache - self.fqdn = fqdn - return self.fqdn - - class SSHConfig (object): """ Representation of config information as stored in the format used by @@ -264,3 +210,57 @@ class SSHConfig (object): else: config[k] = config[k].replace(find, str(replace)) return config + + +class LazyFqdn(object): + """ + Returns the host's fqdn on request as string. + """ + + def __init__(self, config, host=None): + self.fqdn = None + self.config = config + self.host = host + + def __str__(self): + if self.fqdn is None: + # + # If the SSH config contains AddressFamily, use that when + # determining the local host's FQDN. Using socket.getfqdn() from + # the standard library is the most general solution, but can + # result in noticeable delays on some platforms when IPv6 is + # misconfigured or not available, as it calls getaddrinfo with no + # address family specified, so both IPv4 and IPv6 are checked. + # + + # Handle specific option + fqdn = None + address_family = self.config.get('addressfamily', 'any').lower() + if address_family != 'any': + 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() + # Cache + self.fqdn = fqdn + return self.fqdn diff --git a/sites/docs/api/config.rst b/sites/docs/api/config.rst index 6f9d3ce3..afb004c9 100644 --- a/sites/docs/api/config.rst +++ b/sites/docs/api/config.rst @@ -2,3 +2,4 @@ Configuration ============= .. automodule:: paramiko.config + :member-order: bysource |