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FreeIPA's Python and C code used different approaches to get the FQDN of the host. Some places assumed that gethostname() returns a FQDN. Other code paths used glibc's resolver to resolve the current node name to a FQDN. Python code now uses the ipalib.constants.FQDN where a fully qualified domain name is expected. The variable is initialized only once and avoids potential DNS lookups. C code uses a new helper function ipa_gethostfqdn() in util package. The function implements similar logic as gethostfqdn() except it uses more modern getaddrinfo(). The result is cached as well. Fixes: https://pagure.io/freeipa/issue/8501 Signed-off-by: Christian Heimes <cheimes@redhat.com> Reviewed-By: Fraser Tweedale <ftweedal@redhat.com>
This is a set of libraries common to IPA clients and servers though mostly
geared currently towards command-line tools.
A brief overview:
config.py - identify the IPA server domain and realm. It uses python-dns to
try to detect this information first and will fall back to
/etc/ipa/default.conf if that fails.
ipautil.py - helper functions
entity.py - entity is the main data type. User and Group extend this class
(but don't add anything currently).
ipavalidate.py - basic data validation routines