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authorMatthias Dieter Wallnöfer <mdw@samba.org>2013-06-08 23:45:43 +0200
committerAndrew Bartlett <abartlet@samba.org>2013-06-10 07:32:35 +0200
commit7f760ed84b4b34937b3a65577f971cc95f452e0f (patch)
tree623ad74184748df921f5e05e2e0786b4c2e52b8b
parent2f7d9fddf7102d76b182fbd50ccaf18cb5a10014 (diff)
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s4:samldb LDB module - MS-SAMR 3.1.1.8.10 "userAccountControl"
"UF_LOCKOUT" and "UF_PASSWORD_EXPIRED" are never stored but rather are used for special semantics. "UF_LOCKOUT" performs an account lockout and "UF_PASSWORD_EXPIRED" forces password expiration. Reviewed-by: Andrew Bartlett <abartlet@samba.org> Autobuild-User(master): Andrew Bartlett <abartlet@samba.org> Autobuild-Date(master): Mon Jun 10 07:32:35 CEST 2013 on sn-devel-104
-rw-r--r--source4/dsdb/samdb/ldb_modules/samldb.c82
-rwxr-xr-xsource4/dsdb/tests/python/sam.py82
2 files changed, 147 insertions, 17 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/samldb.c b/source4/dsdb/samdb/ldb_modules/samldb.c
index 5bb0b61d61..603370fd62 100644
--- a/source4/dsdb/samdb/ldb_modules/samldb.c
+++ b/source4/dsdb/samdb/ldb_modules/samldb.c
@@ -1049,6 +1049,18 @@ static int samldb_objectclass_trigger(struct samldb_ctx *ac)
uac_generated = true;
}
+ /*
+ * As per MS-SAMR 3.1.1.8.10 these flags have not to be set
+ */
+ if ((user_account_control & UF_LOCKOUT) != 0) {
+ user_account_control &= ~UF_LOCKOUT;
+ uac_generated = true;
+ }
+ if ((user_account_control & UF_PASSWORD_EXPIRED) != 0) {
+ user_account_control &= ~UF_PASSWORD_EXPIRED;
+ uac_generated = true;
+ }
+
/* Temporary duplicate accounts aren't allowed */
if ((user_account_control & UF_TEMP_DUPLICATE_ACCOUNT) != 0) {
return LDB_ERR_OTHER;
@@ -1442,9 +1454,10 @@ static int samldb_user_account_control_change(struct samldb_ctx *ac)
struct ldb_message *tmp_msg;
int ret;
struct ldb_result *res;
- const char * const attrs[] = { "userAccountControl", "objectClass", NULL };
+ const char * const attrs[] = { "userAccountControl", "objectClass",
+ "lockoutTime", NULL };
unsigned int i;
- bool is_computer = false;
+ bool is_computer = false, uac_generated = false;
el = dsdb_get_single_valued_attr(ac->msg, "userAccountControl",
ac->req->operation);
@@ -1517,8 +1530,6 @@ static int samldb_user_account_control_change(struct samldb_ctx *ac)
account_type = ds_uf2atype(user_account_control);
if (account_type == 0) {
- char *tempstr;
-
/*
* When there is no account type embedded in "userAccountControl"
* fall back to default "UF_NORMAL_ACCOUNT".
@@ -1530,18 +1541,7 @@ static int samldb_user_account_control_change(struct samldb_ctx *ac)
}
user_account_control |= UF_NORMAL_ACCOUNT;
-
- tempstr = talloc_asprintf(ac->msg, "%d", user_account_control);
- if (tempstr == NULL) {
- return ldb_module_oom(ac->module);
- }
-
- /* Overwrite "userAccountControl" with "UF_NORMAL_ACCOUNT" added */
- el = dsdb_get_single_valued_attr(ac->msg, "userAccountControl",
- ac->req->operation);
- el->values[0].data = (uint8_t *) tempstr;
- el->values[0].length = strlen(tempstr);
-
+ uac_generated = true;
account_type = ATYPE_NORMAL_ACCOUNT;
}
ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg, "sAMAccountType",
@@ -1552,6 +1552,41 @@ static int samldb_user_account_control_change(struct samldb_ctx *ac)
el = ldb_msg_find_element(ac->msg, "sAMAccountType");
el->flags = LDB_FLAG_MOD_REPLACE;
+ /* As per MS-SAMR 3.1.1.8.10 these flags have not to be set */
+ if ((user_account_control & UF_LOCKOUT) != 0) {
+ /* "lockoutTime" reset as per MS-SAMR 3.1.1.8.10 */
+ uint64_t lockout_time = ldb_msg_find_attr_as_uint64(res->msgs[0],
+ "lockoutTime",
+ 0);
+ if (lockout_time != 0) {
+ ldb_msg_remove_attr(ac->msg, "lockoutTime");
+ ret = samdb_msg_add_uint64(ldb, ac->msg, ac->msg,
+ "lockoutTime", (NTTIME)0);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ el = ldb_msg_find_element(ac->msg, "lockoutTime");
+ el->flags = LDB_FLAG_MOD_REPLACE;
+ }
+
+ user_account_control &= ~UF_LOCKOUT;
+ uac_generated = true;
+ }
+ if ((user_account_control & UF_PASSWORD_EXPIRED) != 0) {
+ /* "pwdLastSet" reset as password expiration has been forced */
+ ldb_msg_remove_attr(ac->msg, "pwdLastSet");
+ ret = samdb_msg_add_uint64(ldb, ac->msg, ac->msg, "pwdLastSet",
+ (NTTIME)0);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ el = ldb_msg_find_element(ac->msg, "pwdLastSet");
+ el->flags = LDB_FLAG_MOD_REPLACE;
+
+ user_account_control &= ~UF_PASSWORD_EXPIRED;
+ uac_generated = true;
+ }
+
/* "isCriticalSystemObject" might be set/changed */
if (user_account_control
& (UF_SERVER_TRUST_ACCOUNT | UF_PARTIAL_SECRETS_ACCOUNT)) {
@@ -1595,6 +1630,21 @@ static int samldb_user_account_control_change(struct samldb_ctx *ac)
el->flags = LDB_FLAG_MOD_REPLACE;
}
+ /* Propagate eventual "userAccountControl" attribute changes */
+ if (uac_generated) {
+ char *tempstr = talloc_asprintf(ac->msg, "%d",
+ user_account_control);
+ if (tempstr == NULL) {
+ return ldb_module_oom(ac->module);
+ }
+
+ /* Overwrite "userAccountControl" correctly */
+ el = dsdb_get_single_valued_attr(ac->msg, "userAccountControl",
+ ac->req->operation);
+ el->values[0].data = (uint8_t *) tempstr;
+ el->values[0].length = strlen(tempstr);
+ }
+
return LDB_SUCCESS;
}
diff --git a/source4/dsdb/tests/python/sam.py b/source4/dsdb/tests/python/sam.py
index 361a10898d..754096a015 100755
--- a/source4/dsdb/tests/python/sam.py
+++ b/source4/dsdb/tests/python/sam.py
@@ -27,7 +27,7 @@ from samba.samdb import SamDB
from samba.dsdb import (UF_NORMAL_ACCOUNT, UF_ACCOUNTDISABLE,
UF_WORKSTATION_TRUST_ACCOUNT, UF_SERVER_TRUST_ACCOUNT,
UF_PARTIAL_SECRETS_ACCOUNT, UF_TEMP_DUPLICATE_ACCOUNT,
- UF_PASSWD_NOTREQD, ATYPE_NORMAL_ACCOUNT,
+ UF_PASSWD_NOTREQD, UF_LOCKOUT, UF_PASSWORD_EXPIRED, ATYPE_NORMAL_ACCOUNT,
GTYPE_SECURITY_BUILTIN_LOCAL_GROUP, GTYPE_SECURITY_DOMAIN_LOCAL_GROUP,
GTYPE_SECURITY_GLOBAL_GROUP, GTYPE_SECURITY_UNIVERSAL_GROUP,
GTYPE_DISTRIBUTION_DOMAIN_LOCAL_GROUP, GTYPE_DISTRIBUTION_GLOBAL_GROUP,
@@ -1465,6 +1465,22 @@ class SamTests(samba.tests.TestCase):
self.assertTrue(int(res1[0]["userAccountControl"][0]) & UF_ACCOUNTDISABLE == 0)
delete_force(self.ldb, "cn=ldaptestuser,cn=users," + self.base_dn)
+ ldb.add({
+ "dn": "cn=ldaptestuser,cn=users," + self.base_dn,
+ "objectclass": "user",
+ "userAccountControl": str(UF_NORMAL_ACCOUNT | UF_PASSWD_NOTREQD | UF_LOCKOUT | UF_PASSWORD_EXPIRED)})
+
+ res1 = ldb.search("cn=ldaptestuser,cn=users," + self.base_dn,
+ scope=SCOPE_BASE,
+ attrs=["sAMAccountType", "userAccountControl", "lockoutTime", "pwdLastSet"])
+ self.assertTrue(len(res1) == 1)
+ self.assertEquals(int(res1[0]["sAMAccountType"][0]),
+ ATYPE_NORMAL_ACCOUNT)
+ self.assertTrue(int(res1[0]["userAccountControl"][0]) & (UF_LOCKOUT | UF_PASSWORD_EXPIRED) == 0)
+ self.assertFalse("lockoutTime" in res1[0])
+ self.assertTrue(int(res1[0]["pwdLastSet"][0]) == 0)
+ delete_force(self.ldb, "cn=ldaptestuser,cn=users," + self.base_dn)
+
try:
ldb.add({
"dn": "cn=ldaptestuser,cn=users," + self.base_dn,
@@ -1587,6 +1603,30 @@ class SamTests(samba.tests.TestCase):
self.assertTrue(int(res1[0]["userAccountControl"][0]) & UF_NORMAL_ACCOUNT != 0)
self.assertTrue(int(res1[0]["userAccountControl"][0]) & UF_ACCOUNTDISABLE != 0)
+ m = Message()
+ m.dn = Dn(ldb, "cn=ldaptestuser,cn=users," + self.base_dn)
+ m["lockoutTime"] = MessageElement(str(samba.unix2nttime(0)), FLAG_MOD_REPLACE, "lockoutTime")
+ m["pwdLastSet"] = MessageElement(str(samba.unix2nttime(0)), FLAG_MOD_REPLACE, "pwdLastSet")
+ ldb.modify(m)
+
+ m = Message()
+ m.dn = Dn(ldb, "cn=ldaptestuser,cn=users," + self.base_dn)
+ m["userAccountControl"] = MessageElement(
+ str(UF_LOCKOUT | UF_PASSWORD_EXPIRED),
+ FLAG_MOD_REPLACE, "userAccountControl")
+ ldb.modify(m)
+
+ res1 = ldb.search("cn=ldaptestuser,cn=users," + self.base_dn,
+ scope=SCOPE_BASE,
+ attrs=["sAMAccountType", "userAccountControl", "lockoutTime", "pwdLastSet"])
+ self.assertTrue(len(res1) == 1)
+ self.assertEquals(int(res1[0]["sAMAccountType"][0]),
+ ATYPE_NORMAL_ACCOUNT)
+ self.assertTrue(int(res1[0]["userAccountControl"][0]) & UF_NORMAL_ACCOUNT != 0)
+ self.assertTrue(int(res1[0]["userAccountControl"][0]) & (UF_LOCKOUT | UF_PASSWORD_EXPIRED) == 0)
+ self.assertTrue(int(res1[0]["lockoutTime"][0]) == 0)
+ self.assertTrue(int(res1[0]["pwdLastSet"][0]) == 0)
+
try:
m = Message()
m.dn = Dn(ldb, "cn=ldaptestuser,cn=users," + self.base_dn)
@@ -1707,6 +1747,22 @@ class SamTests(samba.tests.TestCase):
self.assertTrue(int(res1[0]["userAccountControl"][0]) & UF_ACCOUNTDISABLE == 0)
delete_force(self.ldb, "cn=ldaptestcomputer,cn=computers," + self.base_dn)
+ ldb.add({
+ "dn": "cn=ldaptestcomputer,cn=computers," + self.base_dn,
+ "objectclass": "computer",
+ "userAccountControl": str(UF_NORMAL_ACCOUNT | UF_PASSWD_NOTREQD | UF_LOCKOUT | UF_PASSWORD_EXPIRED)})
+
+ res1 = ldb.search("cn=ldaptestcomputer,cn=computers," + self.base_dn,
+ scope=SCOPE_BASE,
+ attrs=["sAMAccountType", "userAccountControl", "lockoutTime", "pwdLastSet"])
+ self.assertTrue(len(res1) == 1)
+ self.assertEquals(int(res1[0]["sAMAccountType"][0]),
+ ATYPE_NORMAL_ACCOUNT)
+ self.assertTrue(int(res1[0]["userAccountControl"][0]) & (UF_LOCKOUT | UF_PASSWORD_EXPIRED) == 0)
+ self.assertFalse("lockoutTime" in res1[0])
+ self.assertTrue(int(res1[0]["pwdLastSet"][0]) == 0)
+ delete_force(self.ldb, "cn=ldaptestcomputer,cn=computers," + self.base_dn)
+
try:
ldb.add({
"dn": "cn=ldaptestcomputer,cn=computers," + self.base_dn,
@@ -1823,6 +1879,30 @@ class SamTests(samba.tests.TestCase):
self.assertTrue(int(res1[0]["userAccountControl"][0]) & UF_NORMAL_ACCOUNT != 0)
self.assertTrue(int(res1[0]["userAccountControl"][0]) & UF_ACCOUNTDISABLE != 0)
+ m = Message()
+ m.dn = Dn(ldb, "cn=ldaptestcomputer,cn=computers," + self.base_dn)
+ m["lockoutTime"] = MessageElement(str(samba.unix2nttime(0)), FLAG_MOD_REPLACE, "lockoutTime")
+ m["pwdLastSet"] = MessageElement(str(samba.unix2nttime(0)), FLAG_MOD_REPLACE, "pwdLastSet")
+ ldb.modify(m)
+
+ m = Message()
+ m.dn = Dn(ldb, "cn=ldaptestcomputer,cn=computers," + self.base_dn)
+ m["userAccountControl"] = MessageElement(
+ str(UF_LOCKOUT | UF_PASSWORD_EXPIRED),
+ FLAG_MOD_REPLACE, "userAccountControl")
+ ldb.modify(m)
+
+ res1 = ldb.search("cn=ldaptestcomputer,cn=computers," + self.base_dn,
+ scope=SCOPE_BASE,
+ attrs=["sAMAccountType", "userAccountControl", "lockoutTime", "pwdLastSet"])
+ self.assertTrue(len(res1) == 1)
+ self.assertEquals(int(res1[0]["sAMAccountType"][0]),
+ ATYPE_NORMAL_ACCOUNT)
+ self.assertTrue(int(res1[0]["userAccountControl"][0]) & UF_NORMAL_ACCOUNT != 0)
+ self.assertTrue(int(res1[0]["userAccountControl"][0]) & (UF_LOCKOUT | UF_PASSWORD_EXPIRED) == 0)
+ self.assertTrue(int(res1[0]["lockoutTime"][0]) == 0)
+ self.assertTrue(int(res1[0]["pwdLastSet"][0]) == 0)
+
try:
m = Message()
m.dn = Dn(ldb, "cn=ldaptestcomputer,cn=computers," + self.base_dn)