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-rw-r--r--source4/dsdb/samdb/ldb_modules/samldb.c53
-rwxr-xr-xsource4/dsdb/tests/python/sam.py51
2 files changed, 88 insertions, 16 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/samldb.c b/source4/dsdb/samdb/ldb_modules/samldb.c
index 168e55b2f7..d17d809d77 100644
--- a/source4/dsdb/samdb/ldb_modules/samldb.c
+++ b/source4/dsdb/samdb/ldb_modules/samldb.c
@@ -1816,7 +1816,7 @@ static int samldb_service_principal_names_change(struct samldb_ctx *ac)
struct ldb_result *res;
const char *dns_hostname = NULL, *old_dns_hostname = NULL,
*sam_accountname = NULL, *old_sam_accountname = NULL;
- unsigned int i;
+ unsigned int i, j;
int ret;
el = dsdb_get_single_valued_attr(ac->msg, "dNSHostName",
@@ -1957,15 +1957,28 @@ static int samldb_service_principal_names_change(struct samldb_ctx *ac)
}
if (res->msgs[0]->num_elements == 1) {
- /* Yes, we do have "servicePrincipalName"s. First we update them
+ /*
+ * Yes, we do have "servicePrincipalName"s. First we update them
* locally, that means we do always substitute the current
* "dNSHostName" with the new one and/or "sAMAccountName"
- * without "$" with the new one and then we append this to the
- * modification request (Windows behaviour). */
+ * without "$" with the new one and then we append the
+ * modified "servicePrincipalName"s as a message element
+ * replace to the modification request (Windows behaviour). We
+ * need also to make sure that the values remain case-
+ * insensitively unique.
+ */
+
+ ret = ldb_msg_add_empty(ac->msg, "servicePrincipalName",
+ LDB_FLAG_MOD_REPLACE, &el);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
for (i = 0; i < res->msgs[0]->elements[0].num_values; i++) {
char *old_str, *new_str, *pos;
const char *tok;
+ struct ldb_val *vals;
+ bool found = false;
old_str = (char *)
res->msgs[0]->elements[0].values[i].data;
@@ -1993,16 +2006,32 @@ static int samldb_service_principal_names_change(struct samldb_ctx *ac)
}
}
- ret = ldb_msg_add_string(ac->msg,
- "servicePrincipalName",
- new_str);
- if (ret != LDB_SUCCESS) {
- return ret;
+ /* Uniqueness check */
+ for (j = 0; (!found) && (j < el->num_values); j++) {
+ if (strcasecmp((char *)el->values[j].data,
+ new_str) == 0) {
+ found = true;
+ }
+ }
+ if (found) {
+ continue;
}
- }
- el = ldb_msg_find_element(ac->msg, "servicePrincipalName");
- el->flags = LDB_FLAG_MOD_REPLACE;
+ /*
+ * append the new "servicePrincipalName" - code derived
+ * from ldb_msg_add_value()
+ */
+ vals = talloc_realloc(ac->msg, el->values,
+ struct ldb_val,
+ el->num_values + 1);
+ if (vals == NULL) {
+ return ldb_module_oom(ac->module);
+ }
+ el->values = vals;
+ el->values[el->num_values].data = (uint8_t *) new_str;
+ el->values[el->num_values].length = strlen(new_str);
+ ++(el->num_values);
+ }
}
talloc_free(res);
diff --git a/source4/dsdb/tests/python/sam.py b/source4/dsdb/tests/python/sam.py
index 8417b26cb7..c5727cd080 100755
--- a/source4/dsdb/tests/python/sam.py
+++ b/source4/dsdb/tests/python/sam.py
@@ -2432,10 +2432,53 @@ class SamTests(samba.tests.TestCase):
self.assertTrue(len(res) == 1)
self.assertEquals(res[0]["dNSHostName"][0], "testname2.testdom")
self.assertEquals(res[0]["sAMAccountName"][0], "testname2$")
- self.assertTrue(res[0]["servicePrincipalName"][0] == "HOST/testname2" or
- res[0]["servicePrincipalName"][1] == "HOST/testname2")
- self.assertTrue(res[0]["servicePrincipalName"][0] == "HOST/testname2.testdom" or
- res[0]["servicePrincipalName"][1] == "HOST/testname2.testdom")
+ self.assertTrue(len(res[0]["servicePrincipalName"]) == 2)
+ self.assertTrue("HOST/testname2" in res[0]["servicePrincipalName"])
+ self.assertTrue("HOST/testname2.testdom" in res[0]["servicePrincipalName"])
+
+ m = Message()
+ m.dn = Dn(ldb, "cn=ldaptestcomputer,cn=computers," + self.base_dn)
+ m["servicePrincipalName"] = MessageElement("HOST/testname2.testdom",
+ FLAG_MOD_ADD, "servicePrincipalName")
+ try:
+ ldb.modify(m)
+ self.fail()
+ except LdbError, (num, _):
+ self.assertEquals(num, ERR_ATTRIBUTE_OR_VALUE_EXISTS)
+
+ m = Message()
+ m.dn = Dn(ldb, "cn=ldaptestcomputer,cn=computers," + self.base_dn)
+ m["servicePrincipalName"] = MessageElement("HOST/testname3",
+ FLAG_MOD_ADD, "servicePrincipalName")
+ ldb.modify(m)
+
+ res = ldb.search("cn=ldaptestcomputer,cn=computers," + self.base_dn,
+ scope=SCOPE_BASE, attrs=["dNSHostName", "sAMAccountName", "servicePrincipalName"])
+ self.assertTrue(len(res) == 1)
+ self.assertEquals(res[0]["dNSHostName"][0], "testname2.testdom")
+ self.assertEquals(res[0]["sAMAccountName"][0], "testname2$")
+ self.assertTrue(len(res[0]["servicePrincipalName"]) == 3)
+ self.assertTrue("HOST/testname2" in res[0]["servicePrincipalName"])
+ self.assertTrue("HOST/testname3" in res[0]["servicePrincipalName"])
+ self.assertTrue("HOST/testname2.testdom" in res[0]["servicePrincipalName"])
+
+ m = Message()
+ m.dn = Dn(ldb, "cn=ldaptestcomputer,cn=computers," + self.base_dn)
+ m["dNSHostName"] = MessageElement("testname3.testdom",
+ FLAG_MOD_REPLACE, "dNSHostName")
+ m["servicePrincipalName"] = MessageElement("HOST/testname3.testdom",
+ FLAG_MOD_ADD, "servicePrincipalName")
+ ldb.modify(m)
+
+ res = ldb.search("cn=ldaptestcomputer,cn=computers," + self.base_dn,
+ scope=SCOPE_BASE, attrs=["dNSHostName", "sAMAccountName", "servicePrincipalName"])
+ self.assertTrue(len(res) == 1)
+ self.assertEquals(res[0]["dNSHostName"][0], "testname3.testdom")
+ self.assertEquals(res[0]["sAMAccountName"][0], "testname2$")
+ self.assertTrue(len(res[0]["servicePrincipalName"]) == 3)
+ self.assertTrue("HOST/testname2" in res[0]["servicePrincipalName"])
+ self.assertTrue("HOST/testname3" in res[0]["servicePrincipalName"])
+ self.assertTrue("HOST/testname3.testdom" in res[0]["servicePrincipalName"])
delete_force(self.ldb, "cn=ldaptestcomputer,cn=computers," + self.base_dn)
generated by cgit (git 2.34.1) at 2024-07-08 23:16:38 +0000