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Diffstat (limited to 'source3/passdb/pdb_wbc_sam.c')
-rw-r--r--source3/passdb/pdb_wbc_sam.c448
1 files changed, 448 insertions, 0 deletions
diff --git a/source3/passdb/pdb_wbc_sam.c b/source3/passdb/pdb_wbc_sam.c
new file mode 100644
index 0000000000..33dc03fe4c
--- /dev/null
+++ b/source3/passdb/pdb_wbc_sam.c
@@ -0,0 +1,448 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Password and authentication handling by 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/>.
+*/
+
+/* This passdb module retrieves full passdb information for local users and
+ * groups from a wbclient compatible daemon.
+ *
+ * The purpose of this module is to defer all SAM authorization information
+ * storage and retrieval to a wbc compatible daemon.
+ *
+ * This passdb backend is most useful when used in conjunction with auth_wbc.
+ *
+ * A few current limitations of this module are:
+ * - read only interface
+ * - no privileges
+ */
+
+#include "includes.h"
+
+/***************************************************************************
+ Default implementations of some functions.
+ ****************************************************************************/
+static NTSTATUS _pdb_wbc_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_wbc_sam_getsampwnam(struct pdb_methods *methods, struct samu *user, const char *sname)
+{
+ return _pdb_wbc_sam_getsampw(methods, user, winbind_getpwnam(sname));
+}
+
+static NTSTATUS pdb_wbc_sam_getsampwsid(struct pdb_methods *methods, struct samu *user, const DOM_SID *sid)
+{
+ return _pdb_wbc_sam_getsampw(methods, user, winbind_getpwsid(sid));
+}
+
+static bool pdb_wbc_sam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
+ DOM_SID *sid)
+{
+ return winbind_uid_to_sid(sid, uid);
+}
+
+static bool pdb_wbc_sam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
+ DOM_SID *sid)
+{
+ return winbind_gid_to_sid(sid, gid);
+}
+
+static bool pdb_wbc_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_wbc_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_wbc_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_wbc_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_wbc_sam_get_account_policy(struct pdb_methods *methods, int policy_index, uint32 *value)
+{
+ return NT_STATUS_UNSUCCESSFUL;
+}
+
+static NTSTATUS pdb_wbc_sam_set_account_policy(struct pdb_methods *methods, int policy_index, uint32 value)
+{
+ return NT_STATUS_UNSUCCESSFUL;
+}
+
+static bool pdb_wbc_sam_search_groups(struct pdb_methods *methods,
+ struct pdb_search *search)
+{
+ return false;
+}
+
+static bool pdb_wbc_sam_search_aliases(struct pdb_methods *methods,
+ struct pdb_search *search,
+ const DOM_SID *sid)
+{
+
+ return false;
+}
+
+static bool pdb_wbc_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_wbc_sam_set_trusteddom_pw(struct pdb_methods *methods,
+ const char *domain,
+ const char *pwd,
+ const DOM_SID *sid)
+{
+ return false;
+}
+
+static bool pdb_wbc_sam_del_trusteddom_pw(struct pdb_methods *methods,
+ const char *domain)
+{
+ return false;
+}
+
+static NTSTATUS pdb_wbc_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_wbc_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_wbc_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_wbc_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_wbc_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_wbc_sam_get_aliasinfo(struct pdb_methods *methods,
+ const DOM_SID *sid,
+ struct acct_info *info)
+{
+ return NT_STATUS_NOT_IMPLEMENTED;
+}
+
+static NTSTATUS pdb_wbc_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_wbc_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_wbc_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 = "wbc_sam";
+
+ (*pdb_method)->getsampwnam = pdb_wbc_sam_getsampwnam;
+ (*pdb_method)->getsampwsid = pdb_wbc_sam_getsampwsid;
+
+ (*pdb_method)->getgrsid = pdb_wbc_sam_getgrsid;
+ (*pdb_method)->getgrgid = pdb_wbc_sam_getgrgid;
+ (*pdb_method)->getgrnam = pdb_wbc_sam_getgrnam;
+ (*pdb_method)->enum_group_mapping = pdb_wbc_sam_enum_group_mapping;
+ (*pdb_method)->enum_group_members = pdb_wbc_sam_enum_group_members;
+ (*pdb_method)->enum_group_memberships = pdb_wbc_sam_enum_group_memberships;
+ (*pdb_method)->get_aliasinfo = pdb_wbc_sam_get_aliasinfo;
+ (*pdb_method)->enum_aliasmem = pdb_wbc_sam_enum_aliasmem;
+ (*pdb_method)->enum_alias_memberships = pdb_wbc_sam_alias_memberships;
+ (*pdb_method)->lookup_rids = pdb_wbc_sam_lookup_rids;
+ (*pdb_method)->get_account_policy = pdb_wbc_sam_get_account_policy;
+ (*pdb_method)->set_account_policy = pdb_wbc_sam_set_account_policy;
+ (*pdb_method)->uid_to_sid = pdb_wbc_sam_uid_to_sid;
+ (*pdb_method)->gid_to_sid = pdb_wbc_sam_gid_to_sid;
+ (*pdb_method)->sid_to_id = pdb_wbc_sam_sid_to_id;
+
+ (*pdb_method)->search_groups = pdb_wbc_sam_search_groups;
+ (*pdb_method)->search_aliases = pdb_wbc_sam_search_aliases;
+
+ (*pdb_method)->get_trusteddom_pw = pdb_wbc_sam_get_trusteddom_pw;
+ (*pdb_method)->set_trusteddom_pw = pdb_wbc_sam_set_trusteddom_pw;
+ (*pdb_method)->del_trusteddom_pw = pdb_wbc_sam_del_trusteddom_pw;
+ (*pdb_method)->enum_trusteddoms = pdb_wbc_sam_enum_trusteddoms;
+
+ (*pdb_method)->private_data = NULL;
+ (*pdb_method)->free_private_data = NULL;
+
+ return NT_STATUS_OK;
+}
+
+NTSTATUS pdb_wbc_sam_init(void)
+{
+ return smb_register_passdb(PASSDB_INTERFACE_VERSION, "wbc_sam", pdb_init_wbc_sam);
+}