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authorGiampaolo Lauria <lauria2@yahoo.com>2011-06-28 11:41:39 -0400
committerAndrew Tridgell <tridge@samba.org>2011-07-21 10:32:23 +1000
commit2d4988c3d79e501003875cd26b7f9aaa72402b31 (patch)
tree8b8273de03a6a88e3ffb579678c8b35601fc145e
parente573037ac547905d1e57b22602bcfce55889dde7 (diff)
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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>
-rw-r--r--source4/scripting/python/samba/netcmd/domain.py201
1 files changed, 201 insertions, 0 deletions
diff --git a/source4/scripting/python/samba/netcmd/domain.py b/source4/scripting/python/samba/netcmd/domain.py
index aec74c46dc..e021694ea6 100644
--- a/source4/scripting/python/samba/netcmd/domain.py
+++ b/source4/scripting/python/samba/netcmd/domain.py
@@ -37,6 +37,206 @@ from samba.netcmd import (
Option
)
+from samba.dsdb import (
+ DS_DOMAIN_FUNCTION_2000,
+ DS_DOMAIN_FUNCTION_2003,
+ DS_DOMAIN_FUNCTION_2003_MIXED,
+ DS_DOMAIN_FUNCTION_2008,
+ DS_DOMAIN_FUNCTION_2008_R2,
+ )
+
+
+
+
+class cmd_domain_level(Command):
+ """Raises domain and forest function levels"""
+
+ synopsis = "%prog domain level (show | raise <options>)"
+
+ takes_optiongroups = {
+ "sambaopts": options.SambaOptions,
+ "credopts": options.CredentialsOptions,
+ "versionopts": options.VersionOptions,
+ }
+
+ takes_options = [
+ Option("-H", help="LDB URL for database or target server", type=str),
+ Option("--quiet", help="Be quiet", action="store_true"),
+ Option("--forest", type="choice", choices=["2003", "2008", "2008_R2"],
+ help="The forest function level (2003 | 2008 | 2008_R2)"),
+ ]
+
+ takes_args = ["subcommand"]
+
+ def run(self, subcommand, H=None, forest=None, domain=None, quiet=False,
+ credopts=None, sambaopts=None, versionopts=None):
+ lp = sambaopts.get_loadparm()
+ creds = credopts.get_credentials(lp, fallback_machine=True)
+
+ samdb = SamDB(url=H, session_info=system_session(),
+ credentials=creds, lp=lp)
+
+ domain_dn = samdb.domain_dn()
+
+ res_forest = samdb.search("CN=Partitions,CN=Configuration," + domain_dn,
+ scope=ldb.SCOPE_BASE, attrs=["msDS-Behavior-Version"])
+ assert len(res_forest) == 1
+
+ res_domain = samdb.search(domain_dn, scope=ldb.SCOPE_BASE,
+ attrs=["msDS-Behavior-Version", "nTMixedDomain"])
+ assert len(res_domain) == 1
+
+ res_dc_s = samdb.search("CN=Sites,CN=Configuration," + domain_dn,
+ scope=ldb.SCOPE_SUBTREE, expression="(objectClass=nTDSDSA)",
+ attrs=["msDS-Behavior-Version"])
+ assert len(res_dc_s) >= 1
+
+ try:
+ level_forest = int(res_forest[0]["msDS-Behavior-Version"][0])
+ level_domain = int(res_domain[0]["msDS-Behavior-Version"][0])
+ level_domain_mixed = int(res_domain[0]["nTMixedDomain"][0])
+
+ min_level_dc = int(res_dc_s[0]["msDS-Behavior-Version"][0]) # Init value
+ for msg in res_dc_s:
+ if int(msg["msDS-Behavior-Version"][0]) < min_level_dc:
+ min_level_dc = int(msg["msDS-Behavior-Version"][0])
+
+ if level_forest < 0 or level_domain < 0:
+ raise CommandError("Domain and/or forest function level(s) is/are invalid. Correct them or reprovision!")
+ if min_level_dc < 0:
+ raise CommandError("Lowest function level of a DC is invalid. Correct this or reprovision!")
+ if level_forest > level_domain:
+ raise CommandError("Forest function level is higher than the domain level(s). Correct this or reprovision!")
+ if level_domain > min_level_dc:
+ raise CommandError("Domain function level is higher than the lowest function level of a DC. Correct this or reprovision!")
+
+ except KeyError:
+ raise CommandError("Could not retrieve the actual domain, forest level and/or lowest DC function level!")
+
+ if subcommand == "show":
+ self.message("Domain and forest function level for domain '%s'" % domain_dn)
+ if level_forest == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
+ self.message("\nATTENTION: You run SAMBA 4 on a forest function level lower than Windows 2000 (Native). This isn't supported! Please raise!")
+ if level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
+ self.message("\nATTENTION: You run SAMBA 4 on a domain function level lower than Windows 2000 (Native). This isn't supported! Please raise!")
+ if min_level_dc == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
+ 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)!")
+
+ self.message("")
+
+ if level_forest == DS_DOMAIN_FUNCTION_2000:
+ outstr = "2000"
+ elif level_forest == DS_DOMAIN_FUNCTION_2003_MIXED:
+ outstr = "2003 with mixed domains/interim (NT4 DC support)"
+ elif level_forest == DS_DOMAIN_FUNCTION_2003:
+ outstr = "2003"
+ elif level_forest == DS_DOMAIN_FUNCTION_2008:
+ outstr = "2008"
+ elif level_forest == DS_DOMAIN_FUNCTION_2008_R2:
+ outstr = "2008 R2"
+ else:
+ outstr = "higher than 2008 R2"
+ self.message("Forest function level: (Windows) " + outstr)
+
+ if level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
+ outstr = "2000 mixed (NT4 DC support)"
+ elif level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed == 0:
+ outstr = "2000"
+ elif level_domain == DS_DOMAIN_FUNCTION_2003_MIXED:
+ outstr = "2003 with mixed domains/interim (NT4 DC support)"
+ elif level_domain == DS_DOMAIN_FUNCTION_2003:
+ outstr = "2003"
+ elif level_domain == DS_DOMAIN_FUNCTION_2008:
+ outstr = "2008"
+ elif level_domain == DS_DOMAIN_FUNCTION_2008_R2:
+ outstr = "2008 R2"
+ else:
+ outstr = "higher than 2008 R2"
+ self.message("Lowest function level of a DC: (Windows) " + outstr)
+
+ elif subcommand == "raise":
+ msgs = []
+
+ if domain is not None:
+ if domain == "2003":
+ new_level_domain = DS_DOMAIN_FUNCTION_2003
+ elif domain == "2008":
+ new_level_domain = DS_DOMAIN_FUNCTION_2008
+ elif domain == "2008_R2":
+ new_level_domain = DS_DOMAIN_FUNCTION_2008_R2
+
+ if new_level_domain <= level_domain and level_domain_mixed == 0:
+ raise CommandError("Domain function level can't be smaller equal to the actual one!")
+
+ if new_level_domain > min_level_dc:
+ raise CommandError("Domain function level can't be higher than the lowest function level of a DC!")
+
+ # Deactivate mixed/interim domain support
+ if level_domain_mixed != 0:
+ # Directly on the base DN
+ m = ldb.Message()
+ m.dn = ldb.Dn(samdb, domain_dn)
+ m["nTMixedDomain"] = ldb.MessageElement("0",
+ ldb.FLAG_MOD_REPLACE, "nTMixedDomain")
+ samdb.modify(m)
+ # Under partitions
+ m = ldb.Message()
+ m.dn = ldb.Dn(samdb, "CN=" + lp.get("workgroup")
+ + ",CN=Partitions,CN=Configuration," + domain_dn)
+ m["nTMixedDomain"] = ldb.MessageElement("0",
+ ldb.FLAG_MOD_REPLACE, "nTMixedDomain")
+ try:
+ samdb.modify(m)
+ except ldb.LdbError, (enum, emsg):
+ if enum != ldb.ERR_UNWILLING_TO_PERFORM:
+ raise
+
+ # Directly on the base DN
+ m = ldb.Message()
+ m.dn = ldb.Dn(samdb, domain_dn)
+ m["msDS-Behavior-Version"]= ldb.MessageElement( str(new_level_domain), ldb.FLAG_MOD_REPLACE,
+ "msDS-Behavior-Version")
+ samdb.modify(m)
+ # Under partitions
+ m = ldb.Message()
+ m.dn = ldb.Dn(samdb, "CN=" + lp.get("workgroup")
+ + ",CN=Partitions,CN=Configuration," + domain_dn)
+ m["msDS-Behavior-Version"]= ldb.MessageElement(
+ str(new_level_domain), ldb.FLAG_MOD_REPLACE,
+ "msDS-Behavior-Version")
+ try:
+ samdb.modify(m)
+ except ldb.LdbError, (enum, emsg):
+ if enum != ldb.ERR_UNWILLING_TO_PERFORM:
+ raise
+
+ level_domain = new_level_domain
+ msgs.append("Domain function level changed!")
+
+ if forest is not None:
+ if forest == "2003":
+ new_level_forest = DS_DOMAIN_FUNCTION_2003
+ elif forest == "2008":
+ new_level_forest = DS_DOMAIN_FUNCTION_2008
+ elif forest == "2008_R2":
+ new_level_forest = DS_DOMAIN_FUNCTION_2008_R2
+ if new_level_forest <= level_forest:
+ raise CommandError("Forest function level can't be smaller equal to the actual one!")
+ if new_level_forest > level_domain:
+ raise CommandError("Forest function level can't be higher than the domain function level(s). Please raise it/them first!")
+ m = ldb.Message()
+ m.dn = ldb.Dn(samdb, "CN=Partitions,CN=Configuration,"
+ + domain_dn)
+ m["msDS-Behavior-Version"]= ldb.MessageElement(
+ str(new_level_forest), ldb.FLAG_MOD_REPLACE,
+ "msDS-Behavior-Version")
+ samdb.modify(m)
+ msgs.append("Forest function level changed!")
+ msgs.append("All changes applied successfully!")
+ self.message("\n".join(msgs))
+ else:
+ raise CommandError("Wrong argument '%s'!" % subcommand)
+
class cmd_domain_machinepassword(Command):
@@ -244,5 +444,6 @@ class cmd_domain(SuperCommand):
"""Domain management"""
subcommands = {}
+ subcommands["level"] = cmd_domain_level()
subcommands["machinepassword"] = cmd_domain_machinepassword()
subcommands["passwordsettings"] = cmd_domain_passwordsettings()