diff options
author | Garming Sam <garming@catalyst.net.nz> | 2017-09-20 14:55:11 +1200 |
---|---|---|
committer | Karolin Seeger <kseeger@samba.org> | 2018-02-20 12:52:17 +0100 |
commit | 670af37291bc75481ac89efff62760d74377536f (patch) | |
tree | a2d5c3d56f404a6a8737506ee8f3bb0e6df7cefa /source4 | |
parent | f2e21e692640308c003bd851da0c627af73a9451 (diff) | |
download | samba-670af37291bc75481ac89efff62760d74377536f.tar.gz |
subnet: Avoid a segfault when renaming subnet objects
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13031
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Diffstat (limited to 'source4')
-rw-r--r-- | source4/dsdb/samdb/ldb_modules/samldb.c | 8 | ||||
-rwxr-xr-x | source4/dsdb/tests/python/sites.py | 45 |
2 files changed, 49 insertions, 4 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/samldb.c b/source4/dsdb/samdb/ldb_modules/samldb.c index 845921097fa..9f72df2b377 100644 --- a/source4/dsdb/samdb/ldb_modules/samldb.c +++ b/source4/dsdb/samdb/ldb_modules/samldb.c @@ -3072,13 +3072,13 @@ static int verify_cidr(const char *cidr) } -static int samldb_verify_subnet(struct samldb_ctx *ac) +static int samldb_verify_subnet(struct samldb_ctx *ac, struct ldb_dn *dn) { struct ldb_context *ldb = ldb_module_get_ctx(ac->module); const char *cidr = NULL; const struct ldb_val *rdn_value = NULL; - rdn_value = ldb_dn_get_rdn_val(ac->msg->dn); + rdn_value = ldb_dn_get_rdn_val(dn); if (rdn_value == NULL) { ldb_set_errstring(ldb, "samldb: ldb_dn_get_rdn_val " "failed"); @@ -3240,7 +3240,7 @@ static int samldb_add(struct ldb_module *module, struct ldb_request *req) if (samdb_find_attribute(ldb, ac->msg, "objectclass", "subnet") != NULL) { - ret = samldb_verify_subnet(ac); + ret = samldb_verify_subnet(ac, ac->msg->dn); if (ret != LDB_SUCCESS) { talloc_free(ac); return ret; @@ -3633,7 +3633,7 @@ static int check_rename_constraints(struct ldb_message *msg, /* subnet objects */ if (samdb_find_attribute(ldb, msg, "objectclass", "subnet") != NULL) { - ret = samldb_verify_subnet(ac); + ret = samldb_verify_subnet(ac, newdn); if (ret != LDB_SUCCESS) { talloc_free(ac); return ret; diff --git a/source4/dsdb/tests/python/sites.py b/source4/dsdb/tests/python/sites.py index a894da327a9..123e1ece60f 100755 --- a/source4/dsdb/tests/python/sites.py +++ b/source4/dsdb/tests/python/sites.py @@ -183,6 +183,51 @@ class SimpleSubnetTests(SitesBaseTests): self.assertRaises(subnets.SubnetNotFound, subnets.delete_subnet, self.ldb, basedn, cidr) + def test_rename_good_subnet_to_good_subnet(self): + """Make sure that we can rename subnets""" + basedn = self.ldb.get_config_basedn() + cidr = "10.16.0.0/24" + new_cidr = "10.16.1.0/24" + + subnets.create_subnet(self.ldb, basedn, cidr, self.sitename) + + subnets.rename_subnet(self.ldb, basedn, cidr, new_cidr) + + ret = self.ldb.search(base=basedn, scope=SCOPE_SUBTREE, + expression='(&(objectclass=subnet)(cn=%s))' % new_cidr) + + self.assertEqual(len(ret), 1, 'Failed to rename subnet %s' % cidr) + + ret = self.ldb.search(base=basedn, scope=SCOPE_SUBTREE, + expression='(&(objectclass=subnet)(cn=%s))' % cidr) + + self.assertEqual(len(ret), 0, 'Failed to remove old subnet during rename %s' % cidr) + + subnets.delete_subnet(self.ldb, basedn, new_cidr) + + def test_rename_good_subnet_to_bad_subnet(self): + """Make sure that the CIDR checking runs during rename""" + basedn = self.ldb.get_config_basedn() + cidr = "10.17.0.0/24" + bad_cidr = "10.11.12.0/14" + + subnets.create_subnet(self.ldb, basedn, cidr, self.sitename) + + self.assertRaises(subnets.SubnetInvalid, subnets.rename_subnet, + self.ldb, basedn, cidr, bad_cidr) + + ret = self.ldb.search(base=basedn, scope=SCOPE_SUBTREE, + expression='(&(objectclass=subnet)(cn=%s))' % bad_cidr) + + self.assertEqual(len(ret), 0, 'Failed to rename subnet %s' % cidr) + + ret = self.ldb.search(base=basedn, scope=SCOPE_SUBTREE, + expression='(&(objectclass=subnet)(cn=%s))' % cidr) + + self.assertEqual(len(ret), 1, 'Failed to remove old subnet during rename %s' % cidr) + + subnets.delete_subnet(self.ldb, basedn, cidr) + def test_create_bad_ranges(self): """These CIDR ranges all have something wrong with them, and they should all fail.""" |