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samba-tool: moved domainlevel to domain level
This is part of the samba-tool work to fit the object-action model Signed-off-by: Andrew Tridgell <tridge@samba.org>
This commit is contained in:
Giampaolo Lauria
Andrew Tridgell
parent
e573037ac5
commit
2d4988c3d7
@ -37,6 +37,206 @@ from samba.netcmd import (
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Option
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Option
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)
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)
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from samba.dsdb import (
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DS_DOMAIN_FUNCTION_2000,
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DS_DOMAIN_FUNCTION_2003,
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DS_DOMAIN_FUNCTION_2003_MIXED,
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DS_DOMAIN_FUNCTION_2008,
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DS_DOMAIN_FUNCTION_2008_R2,
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)
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class cmd_domain_level(Command):
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"""Raises domain and forest function levels"""
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synopsis = "%prog domain level (show | raise <options>)"
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takes_optiongroups = {
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"sambaopts": options.SambaOptions,
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"credopts": options.CredentialsOptions,
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"versionopts": options.VersionOptions,
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}
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takes_options = [
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Option("-H", help="LDB URL for database or target server", type=str),
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Option("--quiet", help="Be quiet", action="store_true"),
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Option("--forest", type="choice", choices=["2003", "2008", "2008_R2"],
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help="The forest function level (2003 | 2008 | 2008_R2)"),
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]
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takes_args = ["subcommand"]
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def run(self, subcommand, H=None, forest=None, domain=None, quiet=False,
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credopts=None, sambaopts=None, versionopts=None):
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lp = sambaopts.get_loadparm()
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creds = credopts.get_credentials(lp, fallback_machine=True)
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samdb = SamDB(url=H, session_info=system_session(),
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credentials=creds, lp=lp)
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domain_dn = samdb.domain_dn()
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res_forest = samdb.search("CN=Partitions,CN=Configuration," + domain_dn,
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scope=ldb.SCOPE_BASE, attrs=["msDS-Behavior-Version"])
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assert len(res_forest) == 1
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res_domain = samdb.search(domain_dn, scope=ldb.SCOPE_BASE,
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attrs=["msDS-Behavior-Version", "nTMixedDomain"])
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assert len(res_domain) == 1
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res_dc_s = samdb.search("CN=Sites,CN=Configuration," + domain_dn,
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scope=ldb.SCOPE_SUBTREE, expression="(objectClass=nTDSDSA)",
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attrs=["msDS-Behavior-Version"])
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assert len(res_dc_s) >= 1
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try:
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level_forest = int(res_forest[0]["msDS-Behavior-Version"][0])
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level_domain = int(res_domain[0]["msDS-Behavior-Version"][0])
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level_domain_mixed = int(res_domain[0]["nTMixedDomain"][0])
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min_level_dc = int(res_dc_s[0]["msDS-Behavior-Version"][0]) # Init value
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for msg in res_dc_s:
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if int(msg["msDS-Behavior-Version"][0]) < min_level_dc:
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min_level_dc = int(msg["msDS-Behavior-Version"][0])
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if level_forest < 0 or level_domain < 0:
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raise CommandError("Domain and/or forest function level(s) is/are invalid. Correct them or reprovision!")
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if min_level_dc < 0:
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raise CommandError("Lowest function level of a DC is invalid. Correct this or reprovision!")
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if level_forest > level_domain:
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raise CommandError("Forest function level is higher than the domain level(s). Correct this or reprovision!")
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if level_domain > min_level_dc:
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raise CommandError("Domain function level is higher than the lowest function level of a DC. Correct this or reprovision!")
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except KeyError:
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raise CommandError("Could not retrieve the actual domain, forest level and/or lowest DC function level!")
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if subcommand == "show":
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self.message("Domain and forest function level for domain '%s'" % domain_dn)
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if level_forest == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
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self.message("\nATTENTION: You run SAMBA 4 on a forest function level lower than Windows 2000 (Native). This isn't supported! Please raise!")
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if level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
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self.message("\nATTENTION: You run SAMBA 4 on a domain function level lower than Windows 2000 (Native). This isn't supported! Please raise!")
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if min_level_dc == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
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self.message("\nATTENTION: You run SAMBA 4 on a lowest function level of a DC lower than Windows 2003. This isn't supported! Please step-up or upgrade the concerning DC(s)!")
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self.message("")
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if level_forest == DS_DOMAIN_FUNCTION_2000:
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outstr = "2000"
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elif level_forest == DS_DOMAIN_FUNCTION_2003_MIXED:
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outstr = "2003 with mixed domains/interim (NT4 DC support)"
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elif level_forest == DS_DOMAIN_FUNCTION_2003:
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outstr = "2003"
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elif level_forest == DS_DOMAIN_FUNCTION_2008:
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outstr = "2008"
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elif level_forest == DS_DOMAIN_FUNCTION_2008_R2:
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outstr = "2008 R2"
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else:
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outstr = "higher than 2008 R2"
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self.message("Forest function level: (Windows) " + outstr)
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if level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
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outstr = "2000 mixed (NT4 DC support)"
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elif level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed == 0:
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outstr = "2000"
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elif level_domain == DS_DOMAIN_FUNCTION_2003_MIXED:
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outstr = "2003 with mixed domains/interim (NT4 DC support)"
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elif level_domain == DS_DOMAIN_FUNCTION_2003:
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outstr = "2003"
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elif level_domain == DS_DOMAIN_FUNCTION_2008:
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outstr = "2008"
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elif level_domain == DS_DOMAIN_FUNCTION_2008_R2:
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outstr = "2008 R2"
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else:
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outstr = "higher than 2008 R2"
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self.message("Lowest function level of a DC: (Windows) " + outstr)
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elif subcommand == "raise":
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msgs = []
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if domain is not None:
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if domain == "2003":
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new_level_domain = DS_DOMAIN_FUNCTION_2003
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elif domain == "2008":
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new_level_domain = DS_DOMAIN_FUNCTION_2008
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elif domain == "2008_R2":
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new_level_domain = DS_DOMAIN_FUNCTION_2008_R2
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if new_level_domain <= level_domain and level_domain_mixed == 0:
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raise CommandError("Domain function level can't be smaller equal to the actual one!")
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if new_level_domain > min_level_dc:
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raise CommandError("Domain function level can't be higher than the lowest function level of a DC!")
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# Deactivate mixed/interim domain support
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if level_domain_mixed != 0:
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# Directly on the base DN
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m = ldb.Message()
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m.dn = ldb.Dn(samdb, domain_dn)
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m["nTMixedDomain"] = ldb.MessageElement("0",
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ldb.FLAG_MOD_REPLACE, "nTMixedDomain")
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samdb.modify(m)
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# Under partitions
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m = ldb.Message()
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m.dn = ldb.Dn(samdb, "CN=" + lp.get("workgroup")
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+ ",CN=Partitions,CN=Configuration," + domain_dn)
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m["nTMixedDomain"] = ldb.MessageElement("0",
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ldb.FLAG_MOD_REPLACE, "nTMixedDomain")
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try:
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samdb.modify(m)
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except ldb.LdbError, (enum, emsg):
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if enum != ldb.ERR_UNWILLING_TO_PERFORM:
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raise
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# Directly on the base DN
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m = ldb.Message()
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m.dn = ldb.Dn(samdb, domain_dn)
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m["msDS-Behavior-Version"]= ldb.MessageElement( str(new_level_domain), ldb.FLAG_MOD_REPLACE,
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"msDS-Behavior-Version")
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samdb.modify(m)
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# Under partitions
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m = ldb.Message()
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m.dn = ldb.Dn(samdb, "CN=" + lp.get("workgroup")
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+ ",CN=Partitions,CN=Configuration," + domain_dn)
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m["msDS-Behavior-Version"]= ldb.MessageElement(
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str(new_level_domain), ldb.FLAG_MOD_REPLACE,
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"msDS-Behavior-Version")
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try:
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samdb.modify(m)
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except ldb.LdbError, (enum, emsg):
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if enum != ldb.ERR_UNWILLING_TO_PERFORM:
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raise
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level_domain = new_level_domain
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msgs.append("Domain function level changed!")
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if forest is not None:
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if forest == "2003":
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new_level_forest = DS_DOMAIN_FUNCTION_2003
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elif forest == "2008":
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new_level_forest = DS_DOMAIN_FUNCTION_2008
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elif forest == "2008_R2":
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new_level_forest = DS_DOMAIN_FUNCTION_2008_R2
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if new_level_forest <= level_forest:
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raise CommandError("Forest function level can't be smaller equal to the actual one!")
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if new_level_forest > level_domain:
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raise CommandError("Forest function level can't be higher than the domain function level(s). Please raise it/them first!")
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m = ldb.Message()
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m.dn = ldb.Dn(samdb, "CN=Partitions,CN=Configuration,"
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+ domain_dn)
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m["msDS-Behavior-Version"]= ldb.MessageElement(
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str(new_level_forest), ldb.FLAG_MOD_REPLACE,
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"msDS-Behavior-Version")
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samdb.modify(m)
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msgs.append("Forest function level changed!")
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msgs.append("All changes applied successfully!")
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self.message("\n".join(msgs))
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else:
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raise CommandError("Wrong argument '%s'!" % subcommand)
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class cmd_domain_machinepassword(Command):
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class cmd_domain_machinepassword(Command):
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@ -244,5 +444,6 @@ class cmd_domain(SuperCommand):
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"""Domain management"""
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"""Domain management"""
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subcommands = {}
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subcommands = {}
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subcommands["level"] = cmd_domain_level()
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subcommands["machinepassword"] = cmd_domain_machinepassword()
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subcommands["machinepassword"] = cmd_domain_machinepassword()
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subcommands["passwordsettings"] = cmd_domain_passwordsettings()
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subcommands["passwordsettings"] = cmd_domain_passwordsettings()
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