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#!/usr/bin/perl
# Bootstrap Samba and run a number of tests against it.
# Copyright (C) 2005-2012 Jelmer Vernooij <jelmer@samba.org>
# Published under the GNU GPL, v3 or later.
import os
import sys
def bindir_path(binary_mapping, bindir, path):
"""Find the executable to use.
:param binary_mapping: Dictionary mapping binary names
:param bindir: Directory with binaries
:param path: Name of the executable to run
:return: Full path to the executable to run
"""
path = binary_mapping.get(path, path)
valpath = os.path.join(bindir, path)
if os.path.isfile(valpath):
return valpath
return path
def mk_realms_stanza(realm, dnsname, domain, kdc_ipv4):
"""Create a realms stanza for use in a krb5.conf file.
:param realm: Real name
:param dnsname: DNS name matching the realm
:param domain: Domain name
:param kdc_ipv4: IPv4 address of the KDC
:return: String with stanza
"""
return """\
%(realm)s = {
kdc = %(kdc_ipv4)s:88
admin_server = %(kdc_ipv4)s:88
default_domain = %(dnsname)s
}
%(dnsname)s = {
kdc = %(kdc_ipv4)s:88
admin_server = %(kdc_ipv4)s:88
default_domain = %(dnsname)s
}
%(domain)s = {
kdc = %(kdc_ipv4)s:88
admin_server = %(kdc_ipv4)s:88
default_domain = %(dnsname)s
}
""" % {
"kdc_ipv4": kdc_ipv4, "dnsname": dnsname, "realm": realm, "domain": domain}
def write_krb5_conf(f, realm, dnsname, domain, kdc_ipv4, tlsdir=None,
other_realms_stanza=None):
"""Write a krb5.conf file.
:param f: File-like object to write to
:param realm: Realm
:param dnsname: DNS domain name
:param domain: Domain name
:param kdc_ipv4: IPv4 address of KDC
:param tlsdir: Optional TLS directory
:param other_realms_stanza: Optional extra raw text for [realms] section
"""
f.write("""\
#Generated krb5.conf for %(realm)s
[libdefaults]
\tdefault_realm = %(realm)s
\tdns_lookup_realm = false
\tdns_lookup_kdc = false
\tticket_lifetime = 24h
\tforwardable = yes
\tallow_weak_crypto = yes
""" % {"realm": realm})
f.write("\n[realms]\n")
f.write(mk_realms_stanza(realm, dnsname, domain, kdc_ipv4))
if other_realms_stanza:
f.write(other_realms_stanza)
if tlsdir:
f.write("""
[appdefaults]
pkinit_anchors = FILE:%(tlsdir)s/ca.pem
[kdc]
enable-pkinit = true
pkinit_identity = FILE:%(tlsdir)s/kdc.pem,%(tlsdir)s/key.pem
pkinit_anchors = FILE:%(tlsdir)s/ca.pem
""" % {"tlsdir": tlsdir})
def cleanup_child(pid, name, outf=None):
"""Cleanup a child process.
:param pid: Parent pid process to be passed to waitpid()
:param name: Name to use when referring to process
:param outf: File-like object to write to (defaults to stderr)
:return: Child pid
"""
if outf is None:
outf = sys.stderr
(childpid, status) = os.waitpid(pid, os.WNOHANG)
if childpid == 0:
pass
elif childpid < 0:
outf.write("%s child process %d isn't here any more.\n" % (name, pid))
return childpid
elif status & 127:
if status & 128:
core_status = 'with'
else:
core_status = 'without'
outf.write("%s child process %d, died with signal %d, %s coredump.\n" % (name, childpid, (status & 127), core_status))
else:
outf.write("%s child process %d exited with value %d.\n" % (name, childpid, status >> 8))
return childpid
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