Introduce a new passdb backend: pdb_onefs_sam

Implements a custom backend for onefs that exclusively uses the wbclient
interface for all passdb calls.
It lacks some features of a standard passdb.
In particular it's a read only interface and doesn't implement privileges.

3 files changed, 439 insertions, 1 deletions

diff --git a/source3/Makefile.in b/source3/Makefile.in
index a0bd4ab303..6087fa0359 100644
--- a/source3/Makefile.in
+++ b/source3/Makefile.in
@@ -2364,6 +2364,10 @@ bin/tdbsam.@SHLIBEXT@: $(BINARY_PREREQS) passdb/pdb_tdb.o
 	@echo "Building plugin $@"
 	@$(SHLD_MODULE) passdb/pdb_tdb.o
 
+bin/onefs_sam.@SHLIBEXT@: $(BINARY_PREREQS) passdb/pdb_onefs_sam.o
+	@echo "Building plugin $@"
+	@$(SHLD_MODULE) passdb/pdb_onefs_sam.o
+
 bin/smbpasswd.@SHLIBEXT@: $(BINARY_PREREQS) passdb/pdb_smbpasswd.o
 	@echo "Building plugin $@"
 	@$(SHLD_MODULE) passdb/pdb_smbpasswd.o
diff --git a/source3/configure.in b/source3/configure.in
index 41140aed34..7fe824c989 100644
--- a/source3/configure.in
+++ b/source3/configure.in
@@ -1104,7 +1104,7 @@ echo $samba_cv_HAVE_ONEFS
 if test x"$samba_cv_HAVE_ONEFS" = x"yes"; then
     AC_DEFINE(HAVE_ONEFS,1,[Whether building on Isilon OneFS])
     default_shared_modules="$default_shared_modules vfs_onefs vfs_onefs_shadow_copy perfcount_onefs"
-    default_static_modules="$default_static_modules auth_onefs_wb"
+    default_static_modules="$default_static_modules auth_onefs_wb pdb_onefs_sam"
     ONEFS_LIBS="-lisi_acl -lisi_ecs -lisi_event -lisi_util"
     # Need to also add general libs for oplocks support
     save_LIBS="$save_LIBS -lisi_ecs -lisi_event -lisi_util -ldevstat"
@@ -6146,6 +6146,7 @@ SMB_MODULE(pdb_ldap, passdb/pdb_ldap.o passdb/pdb_nds.o, "bin/ldapsam.$SHLIBEXT"
 		   [ PASSDB_LIBS="$PASSDB_LIBS $LDAP_LIBS" ] )
 SMB_MODULE(pdb_smbpasswd, passdb/pdb_smbpasswd.o, "bin/smbpasswd.$SHLIBEXT", PDB)
 SMB_MODULE(pdb_tdbsam, passdb/pdb_tdb.o, "bin/tdbsam.$SHLIBEXT", PDB)
+SMB_MODULE(pdb_onefs_sam, passdb/pdb_onefs_sam.o, "bin/onefs_sam.$SHLIBEXT", PDB)
 SMB_SUBSYSTEM(PDB,passdb/pdb_interface.o)
 
 
diff --git a/source3/passdb/pdb_onefs_sam.c b/source3/passdb/pdb_onefs_sam.c
new file mode 100644
index 0000000000..51b8618aad
--- /dev/null
+++ b/source3/passdb/pdb_onefs_sam.c
@@ -0,0 +1,433 @@
+/*
+   Unix SMB/CIFS implementation.
+   Password and authentication handling for wbclient
+   Copyright (C) Andrew Bartlett			2002
+   Copyright (C) Jelmer Vernooij			2002
+   Copyright (C) Simo Sorce				2003
+   Copyright (C) Volker Lendecke			2006
+   Copyright (C) Dan Sledz				2009
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+
+/***************************************************************************
+  Default implementations of some functions.
+ ****************************************************************************/
+static NTSTATUS _pdb_onefs_sam_getsampw(struct pdb_methods *methods,
+				       struct samu *user,
+				       const struct passwd *pwd)
+{
+	NTSTATUS result = NT_STATUS_OK;
+
+	if (pwd == NULL)
+		return NT_STATUS_NO_SUCH_USER;
+
+	memset(user, 0, sizeof(user));
+
+        /* Can we really get away with this little of information */
+	user->methods = methods;
+	result = samu_set_unix(user, pwd);
+
+	return result;
+}
+
+static NTSTATUS pdb_onefs_sam_getsampwnam(struct pdb_methods *methods, struct samu *user, const char *sname)
+{
+	return _pdb_onefs_sam_getsampw(methods, user, winbind_getpwnam(sname));
+}
+
+static NTSTATUS pdb_onefs_sam_getsampwsid(struct pdb_methods *methods, struct samu *user, const DOM_SID *sid)
+{
+	return _pdb_onefs_sam_getsampw(methods, user, winbind_getpwsid(sid));
+}
+
+static bool pdb_onefs_sam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
+				   DOM_SID *sid)
+{
+	return winbind_uid_to_sid(sid, uid);
+}
+
+static bool pdb_onefs_sam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
+				   DOM_SID *sid)
+{
+	return winbind_gid_to_sid(sid, gid);
+}
+
+static bool pdb_onefs_sam_sid_to_id(struct pdb_methods *methods,
+				  const DOM_SID *sid,
+				  union unid_t *id, enum lsa_SidType *type)
+{
+	if (winbind_sid_to_uid(&id->uid, sid)) {
+		*type = SID_NAME_USER;
+	} else if (winbind_sid_to_gid(&id->gid, sid)) {
+		/* We assume all gids are groups, not aliases */
+		*type = SID_NAME_DOM_GRP;
+	} else {
+		return false;
+	}
+
+	return true;
+}
+
+static NTSTATUS pdb_onefs_sam_enum_group_members(struct pdb_methods *methods,
+					       TALLOC_CTX *mem_ctx,
+					       const DOM_SID *group,
+					       uint32 **pp_member_rids,
+					       size_t *p_num_members)
+{
+	return NT_STATUS_NOT_IMPLEMENTED;
+}
+
+static NTSTATUS pdb_onefs_sam_enum_group_memberships(struct pdb_methods *methods,
+						   TALLOC_CTX *mem_ctx,
+						   struct samu *user,
+						   DOM_SID **pp_sids,
+						   gid_t **pp_gids,
+						   size_t *p_num_groups)
+{
+	size_t i;
+	const char *username = pdb_get_username(user);
+
+	if (!winbind_get_groups(mem_ctx, username, p_num_groups, pp_gids)) {
+		return NT_STATUS_NO_SUCH_USER;
+	}
+
+	if (*p_num_groups == 0) {
+		smb_panic("primary group missing");
+	}
+
+	*pp_sids = TALLOC_ARRAY(mem_ctx, DOM_SID, *p_num_groups);
+
+	if (*pp_sids == NULL) {
+		TALLOC_FREE(*pp_gids);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	for (i=0; i < *p_num_groups; i++) {
+		gid_to_sid(&(*pp_sids)[i], (*pp_gids)[i]);
+	}
+
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS pdb_onefs_sam_lookup_rids(struct pdb_methods *methods,
+					const DOM_SID *domain_sid,
+					int num_rids,
+					uint32 *rids,
+					const char **names,
+					enum lsa_SidType *attrs)
+{
+	NTSTATUS result = NT_STATUS_OK;
+	char *domain = NULL;
+	char **account_names = NULL;
+	char name[256];
+	enum lsa_SidType *attr_list = NULL;
+	int i;
+
+	if (!winbind_lookup_rids(talloc_tos(), domain_sid, num_rids, rids,
+				 (const char **)&domain,
+				 (const char ***)&account_names, &attr_list))
+	{
+		result = NT_STATUS_NONE_MAPPED;
+		goto done;
+	}
+
+	memcpy(attrs, attr_list, num_rids * sizeof(enum lsa_SidType));
+
+	for (i=0; i<num_rids; i++) {
+		if (attrs[i] == SID_NAME_UNKNOWN) {
+			names[i] = NULL;
+		} else {
+			snprintf(name, sizeof(name), "%s%c%s", domain,
+				 *lp_winbind_separator(), account_names[i]);
+			names[i] = talloc_strdup(names, name);
+		}
+	}
+
+done:
+	TALLOC_FREE(account_names);
+	TALLOC_FREE(domain);
+	TALLOC_FREE(attrs);
+	return result;
+}
+
+static NTSTATUS pdb_onefs_sam_get_account_policy(struct pdb_methods *methods, int policy_index, uint32 *value)
+{
+	return NT_STATUS_UNSUCCESSFUL;
+}
+
+static NTSTATUS pdb_onefs_sam_set_account_policy(struct pdb_methods *methods, int policy_index, uint32 value)
+{
+	return NT_STATUS_UNSUCCESSFUL;
+}
+
+static bool pdb_onefs_sam_search_groups(struct pdb_methods *methods,
+				      struct pdb_search *search)
+{
+	return false;
+}
+
+static bool pdb_onefs_sam_search_aliases(struct pdb_methods *methods,
+				       struct pdb_search *search,
+				       const DOM_SID *sid)
+{
+
+	return false;
+}
+
+static bool pdb_onefs_sam_get_trusteddom_pw(struct pdb_methods *methods,
+					  const char *domain,
+					  char **pwd,
+					  DOM_SID *sid,
+					  time_t *pass_last_set_time)
+{
+	return false;
+
+}
+
+static bool pdb_onefs_sam_set_trusteddom_pw(struct pdb_methods *methods,
+					  const char *domain,
+					  const char *pwd,
+					  const DOM_SID *sid)
+{
+	return false;
+}
+
+static bool pdb_onefs_sam_del_trusteddom_pw(struct pdb_methods *methods,
+					  const char *domain)
+{
+	return false;
+}
+
+static NTSTATUS pdb_onefs_sam_enum_trusteddoms(struct pdb_methods *methods,
+					     TALLOC_CTX *mem_ctx,
+					     uint32 *num_domains,
+					     struct trustdom_info ***domains)
+{
+	return NT_STATUS_NOT_IMPLEMENTED;
+}
+
+static bool _make_group_map(struct pdb_methods *methods, const char *domain, const char *name, enum lsa_SidType name_type, gid_t gid, DOM_SID *sid, GROUP_MAP *map)
+{
+	snprintf(map->nt_name, sizeof(map->nt_name), "%s%c%s",
+	        domain, *lp_winbind_separator(), name);
+	map->sid_name_use = name_type;
+	map->sid = *sid;
+	map->gid = gid;
+	return true;
+}
+
+static NTSTATUS pdb_onefs_sam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
+				 DOM_SID sid)
+{
+	NTSTATUS result = NT_STATUS_OK;
+	char *name = NULL;
+	char *domain = NULL;
+	enum lsa_SidType name_type;
+	gid_t gid;
+
+	if (!winbind_lookup_sid(talloc_tos(), &sid, (const char **)&domain,
+				(const char **) &name, &name_type)) {
+		result = NT_STATUS_NO_SUCH_GROUP;
+		goto done;
+	}
+
+	if ((name_type != SID_NAME_DOM_GRP) &&
+	    (name_type != SID_NAME_DOMAIN) &&
+	    (name_type != SID_NAME_ALIAS) &&
+	    (name_type != SID_NAME_WKN_GRP)) {
+		result = NT_STATUS_NO_SUCH_GROUP;
+		goto done;
+	}
+
+	if (!winbind_sid_to_gid(&gid, &sid)) {
+		result = NT_STATUS_NO_SUCH_GROUP;
+		goto done;
+	}
+
+	if (!_make_group_map(methods, domain, name, name_type, gid, &sid, map)) {
+		result = NT_STATUS_NO_SUCH_GROUP;
+		goto done;
+	}
+
+done:
+	TALLOC_FREE(name);
+	TALLOC_FREE(domain);
+	return result;
+}
+
+static NTSTATUS pdb_onefs_sam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
+				 gid_t gid)
+{
+	NTSTATUS result = NT_STATUS_OK;
+	char *name = NULL;
+	char *domain = NULL;
+	DOM_SID sid;
+	enum lsa_SidType name_type;
+
+	if (!winbind_gid_to_sid(&sid, gid)) {
+		result = NT_STATUS_NO_SUCH_GROUP;
+		goto done;
+	}
+
+	if (!winbind_lookup_sid(talloc_tos(), &sid, (const char **)&domain,
+				(const char **)&name, &name_type)) {
+		result = NT_STATUS_NO_SUCH_GROUP;
+		goto done;
+	}
+
+	if ((name_type != SID_NAME_DOM_GRP) &&
+	    (name_type != SID_NAME_DOMAIN) &&
+	    (name_type != SID_NAME_ALIAS) &&
+	    (name_type != SID_NAME_WKN_GRP)) {
+		result = NT_STATUS_NO_SUCH_GROUP;
+		goto done;
+	}
+
+	if (!_make_group_map(methods, domain, name, name_type, gid, &sid, map)) {
+		result = NT_STATUS_NO_SUCH_GROUP;
+		goto done;
+	}
+
+done:
+	TALLOC_FREE(name);
+	TALLOC_FREE(domain);
+
+	return result;
+}
+
+static NTSTATUS pdb_onefs_sam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
+				 const char *name)
+{
+	NTSTATUS result = NT_STATUS_OK;
+	char *user_name = NULL;
+	char *domain = NULL;
+	DOM_SID sid;
+	gid_t gid;
+	enum lsa_SidType name_type;
+
+	if (!winbind_lookup_name(domain, user_name, &sid, &name_type)) {
+		result = NT_STATUS_NO_SUCH_GROUP;
+		goto done;
+	}
+
+	if ((name_type != SID_NAME_DOM_GRP) &&
+	    (name_type != SID_NAME_DOMAIN) &&
+	    (name_type != SID_NAME_ALIAS) &&
+	    (name_type != SID_NAME_WKN_GRP)) {
+		result = NT_STATUS_NO_SUCH_GROUP;
+		goto done;
+	}
+
+	if (!winbind_sid_to_gid(&gid, &sid)) {
+		result = NT_STATUS_NO_SUCH_GROUP;
+		goto done;
+	}
+
+	if (!_make_group_map(methods, domain, user_name, name_type, gid, &sid, map)) {
+		result = NT_STATUS_NO_SUCH_GROUP;
+		goto done;
+	}
+
+done:
+
+	return result;
+}
+
+static NTSTATUS pdb_onefs_sam_enum_group_mapping(struct pdb_methods *methods,
+					   const DOM_SID *sid, enum lsa_SidType sid_name_use,
+					   GROUP_MAP **pp_rmap, size_t *p_num_entries,
+					   bool unix_only)
+{
+	return NT_STATUS_NOT_IMPLEMENTED;
+}
+
+static NTSTATUS pdb_onefs_sam_get_aliasinfo(struct pdb_methods *methods,
+				   const DOM_SID *sid,
+				   struct acct_info *info)
+{
+	return NT_STATUS_NOT_IMPLEMENTED;
+}
+
+static NTSTATUS pdb_onefs_sam_enum_aliasmem(struct pdb_methods *methods,
+				   const DOM_SID *alias, DOM_SID **pp_members,
+				   size_t *p_num_members)
+{
+	return NT_STATUS_NOT_IMPLEMENTED;
+}
+
+static NTSTATUS pdb_onefs_sam_alias_memberships(struct pdb_methods *methods,
+				       TALLOC_CTX *mem_ctx,
+				       const DOM_SID *domain_sid,
+				       const DOM_SID *members,
+				       size_t num_members,
+				       uint32 **pp_alias_rids,
+				       size_t *p_num_alias_rids)
+{
+	if (!winbind_get_sid_aliases(mem_ctx, domain_sid,
+		    members, num_members, pp_alias_rids, p_num_alias_rids))
+		return NT_STATUS_UNSUCCESSFUL;
+
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS pdb_init_onefs_sam(struct pdb_methods **pdb_method, const char *location)
+{
+	NTSTATUS result;
+
+	if (!NT_STATUS_IS_OK(result = make_pdb_method( pdb_method))) {
+		return result;
+	}
+
+	(*pdb_method)->name = "onefs_sam";
+
+	(*pdb_method)->getsampwnam = pdb_onefs_sam_getsampwnam;
+	(*pdb_method)->getsampwsid = pdb_onefs_sam_getsampwsid;
+
+	(*pdb_method)->getgrsid = pdb_onefs_sam_getgrsid;
+	(*pdb_method)->getgrgid = pdb_onefs_sam_getgrgid;
+	(*pdb_method)->getgrnam = pdb_onefs_sam_getgrnam;
+	(*pdb_method)->enum_group_mapping = pdb_onefs_sam_enum_group_mapping;
+	(*pdb_method)->enum_group_members = pdb_onefs_sam_enum_group_members;
+	(*pdb_method)->enum_group_memberships = pdb_onefs_sam_enum_group_memberships;
+	(*pdb_method)->get_aliasinfo = pdb_onefs_sam_get_aliasinfo;
+	(*pdb_method)->enum_aliasmem = pdb_onefs_sam_enum_aliasmem;
+	(*pdb_method)->enum_alias_memberships = pdb_onefs_sam_alias_memberships;
+	(*pdb_method)->lookup_rids = pdb_onefs_sam_lookup_rids;
+	(*pdb_method)->get_account_policy = pdb_onefs_sam_get_account_policy;
+	(*pdb_method)->set_account_policy = pdb_onefs_sam_set_account_policy;
+	(*pdb_method)->uid_to_sid = pdb_onefs_sam_uid_to_sid;
+	(*pdb_method)->gid_to_sid = pdb_onefs_sam_gid_to_sid;
+	(*pdb_method)->sid_to_id = pdb_onefs_sam_sid_to_id;
+
+	(*pdb_method)->search_groups = pdb_onefs_sam_search_groups;
+	(*pdb_method)->search_aliases = pdb_onefs_sam_search_aliases;
+
+	(*pdb_method)->get_trusteddom_pw = pdb_onefs_sam_get_trusteddom_pw;
+	(*pdb_method)->set_trusteddom_pw = pdb_onefs_sam_set_trusteddom_pw;
+	(*pdb_method)->del_trusteddom_pw = pdb_onefs_sam_del_trusteddom_pw;
+	(*pdb_method)->enum_trusteddoms  = pdb_onefs_sam_enum_trusteddoms;
+
+	(*pdb_method)->private_data = NULL;
+	(*pdb_method)->free_private_data = NULL;
+
+	return NT_STATUS_OK;
+}
+
+NTSTATUS pdb_onefs_sam_init(void)
+{
+	return smb_register_passdb(PASSDB_INTERFACE_VERSION, "onefs_sam", pdb_init_onefs_sam);
+}