s3:passdb add pdb_*_is_responsible_for* functions

allows PDB modules to specify for which special domains they
are responsible when it comes to SID->xid conversion

By default, passdb modules will be responsible for local BUILTIN,
local SAM and Unix Users/Groups

Pair-Programmed-With: Michael Adam <obnox@samba.org>

Signed-off-by: Christian Ambach <ambi@samba.org>
Signed-off-by: Michael Adam <obnox@samba.org>

3 files changed, 84 insertions, 0 deletions

diff --git a/source3/include/passdb.h b/source3/include/passdb.h
index e032ae10140..793c7667cc2 100644
--- a/source3/include/passdb.h
+++ b/source3/include/passdb.h
@@ -934,6 +934,11 @@ NTSTATUS pdb_enum_upn_suffixes(TALLOC_CTX *mem_ctx,
 
 NTSTATUS pdb_set_upn_suffixes(uint32_t num_suffixes,
 			      const char **suffixes);
+bool pdb_is_responsible_for_our_sam(void);
+bool pdb_is_responsible_for_builtin(void);
+bool pdb_is_responsible_for_wellknown(void);
+bool pdb_is_responsible_for_unix_users(void);
+bool pdb_is_responsible_for_unix_groups(void);
 
 /* The following definitions come from passdb/pdb_util.c  */
 
diff --git a/source3/passdb/ABI/pdb-0.sigs b/source3/passdb/ABI/pdb-0.sigs
index 51810efeca6..09563f5089d 100644
--- a/source3/passdb/ABI/pdb-0.sigs
+++ b/source3/passdb/ABI/pdb-0.sigs
@@ -90,6 +90,11 @@ pdb_default_get_aliasinfo: NTSTATUS (struct pdb_methods *, const struct dom_sid
 pdb_default_getgrgid: NTSTATUS (struct pdb_methods *, GROUP_MAP *, gid_t)
 pdb_default_getgrnam: NTSTATUS (struct pdb_methods *, GROUP_MAP *, const char *)
 pdb_default_getgrsid: NTSTATUS (struct pdb_methods *, GROUP_MAP *, struct dom_sid)
+pdb_is_responsible_for_our_sam: bool (void)
+pdb_is_responsible_for_builtin: bool (void)
+pdb_is_responsible_for_wellknown: bool (void)
+pdb_is_responsible_for_unix_users: bool (void)
+pdb_is_responsible_for_unix_groups: bool (void)
 pdb_default_set_aliasinfo: NTSTATUS (struct pdb_methods *, const struct dom_sid *, struct acct_info *)
 pdb_default_update_group_mapping_entry: NTSTATUS (struct pdb_methods *, GROUP_MAP *)
 pdb_del_aliasmem: NTSTATUS (const struct dom_sid *, const struct dom_sid *)
diff --git a/source3/passdb/pdb_interface.c b/source3/passdb/pdb_interface.c
index 36dde6f8e6c..b45b4d66bbd 100644
--- a/source3/passdb/pdb_interface.c
+++ b/source3/passdb/pdb_interface.c
@@ -2374,6 +2374,69 @@ NTSTATUS pdb_set_upn_suffixes(uint32_t num_suffixes,
 }
 
 /*******************************************************************
+ idmap control methods
+ *******************************************************************/
+static bool pdb_default_is_responsible_for_our_sam(
+					struct pdb_methods *methods)
+{
+	return true;
+}
+
+static bool pdb_default_is_responsible_for_builtin(
+					struct pdb_methods *methods)
+{
+	return true;
+}
+
+static bool pdb_default_is_responsible_for_wellknown(
+					struct pdb_methods *methods)
+{
+	return false;
+}
+
+static bool pdb_default_is_responsible_for_unix_users(
+					struct pdb_methods *methods)
+{
+	return true;
+}
+
+static bool pdb_default_is_responsible_for_unix_groups(
+					struct pdb_methods *methods)
+{
+	return true;
+}
+
+bool pdb_is_responsible_for_our_sam(void)
+{
+	struct pdb_methods *pdb = pdb_get_methods();
+	return pdb->is_responsible_for_our_sam(pdb);
+}
+
+bool pdb_is_responsible_for_builtin(void)
+{
+	struct pdb_methods *pdb = pdb_get_methods();
+	return pdb->is_responsible_for_builtin(pdb);
+}
+
+bool pdb_is_responsible_for_wellknown(void)
+{
+	struct pdb_methods *pdb = pdb_get_methods();
+	return pdb->is_responsible_for_wellknown(pdb);
+}
+
+bool pdb_is_responsible_for_unix_users(void)
+{
+	struct pdb_methods *pdb = pdb_get_methods();
+	return pdb->is_responsible_for_unix_users(pdb);
+}
+
+bool pdb_is_responsible_for_unix_groups(void)
+{
+	struct pdb_methods *pdb = pdb_get_methods();
+	return pdb->is_responsible_for_unix_groups(pdb);
+}
+
+/*******************************************************************
  secret methods
  *******************************************************************/
 
@@ -2523,5 +2586,16 @@ NTSTATUS make_pdb_method( struct pdb_methods **methods )
 	(*methods)->enum_upn_suffixes = pdb_default_enum_upn_suffixes;
 	(*methods)->set_upn_suffixes  = pdb_default_set_upn_suffixes;
 
+	(*methods)->is_responsible_for_our_sam =
+				pdb_default_is_responsible_for_our_sam;
+	(*methods)->is_responsible_for_builtin =
+				pdb_default_is_responsible_for_builtin;
+	(*methods)->is_responsible_for_wellknown =
+				pdb_default_is_responsible_for_wellknown;
+	(*methods)->is_responsible_for_unix_users =
+				pdb_default_is_responsible_for_unix_users;
+	(*methods)->is_responsible_for_unix_groups =
+				pdb_default_is_responsible_for_unix_groups;
+
 	return NT_STATUS_OK;
 }