+++ /dev/null
-/*
- 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"
-#include "passdb.h"
-#include "lib/winbind_util.h"
-#include "passdb/pdb_wbc_sam.h"
-#include "idmap.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;
-
- ZERO_STRUCTP(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 struct dom_sid *sid)
-{
- return _pdb_wbc_sam_getsampw(methods, user, winbind_getpwsid(sid));
-}
-
-static bool pdb_wbc_sam_id_to_sid(struct pdb_methods *methods, struct unixid *id,
- struct dom_sid *sid)
-{
- switch (id->type) {
- case ID_TYPE_UID:
- return winbind_uid_to_sid(sid, id->id);
-
- case ID_TYPE_GID:
- return winbind_gid_to_sid(sid, id->id);
-
- default:
- return false;
- }
-}
-
-static NTSTATUS pdb_wbc_sam_enum_group_members(struct pdb_methods *methods,
- TALLOC_CTX *mem_ctx,
- const struct dom_sid *group,
- uint32_t **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,
- struct dom_sid **pp_sids,
- gid_t **pp_gids,
- uint32_t *p_num_groups)
-{
- size_t i;
- const char *username = pdb_get_username(user);
- uint32_t num_groups;
-
- if (!winbind_get_groups(mem_ctx, username, &num_groups, pp_gids)) {
- return NT_STATUS_NO_SUCH_USER;
- }
- *p_num_groups = num_groups;
-
- if (*p_num_groups == 0) {
- smb_panic("primary group missing");
- }
-
- *pp_sids = talloc_array(mem_ctx, struct 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 struct dom_sid *domain_sid,
- int num_rids,
- uint32_t *rids,
- const char **names,
- enum lsa_SidType *attrs)
-{
- NTSTATUS result = NT_STATUS_OK;
- const char *p = NULL;
- const char **pp = NULL;
- char *domain = NULL;
- char **account_names = NULL;
- enum lsa_SidType *attr_list = NULL;
- int i;
-
- if (!winbind_lookup_rids(talloc_tos(), domain_sid, num_rids, rids,
- &p, &pp, &attr_list))
- {
- result = NT_STATUS_NONE_MAPPED;
- goto done;
- }
- domain = discard_const_p(char, p);
- account_names = discard_const_p(char *, pp);
-
- 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 {
- names[i] = talloc_strdup(names, account_names[i]);
- if (names[i] == NULL) {
- result = NT_STATUS_NO_MEMORY;
- goto done;
- }
-
- }
- }
-
-done:
- TALLOC_FREE(account_names);
- TALLOC_FREE(domain);
- TALLOC_FREE(attr_list);
- return result;
-}
-
-static NTSTATUS pdb_wbc_sam_get_account_policy(struct pdb_methods *methods, enum pdb_policy_type type, uint32_t *value)
-{
- return NT_STATUS_UNSUCCESSFUL;
-}
-
-static NTSTATUS pdb_wbc_sam_set_account_policy(struct pdb_methods *methods, enum pdb_policy_type type, uint32_t 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 struct dom_sid *sid)
-{
-
- return false;
-}
-
-static bool pdb_wbc_sam_get_trusteddom_pw(struct pdb_methods *methods,
- const char *domain,
- char **pwd,
- struct 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 struct 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_t *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, struct dom_sid *sid, GROUP_MAP *map)
-{
- map->nt_name = talloc_asprintf(map, "%s%c%s",
- domain, *lp_winbind_separator(), name);
- if (!map->nt_name) {
- return false;
- }
- 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,
- struct dom_sid sid)
-{
- NTSTATUS result = NT_STATUS_OK;
- const char *p1 = NULL, *p2 = NULL;
- char *name = NULL;
- char *domain = NULL;
- enum lsa_SidType name_type;
- gid_t gid;
-
- if (!winbind_lookup_sid(talloc_tos(), &sid, &p1, &p2, &name_type)) {
- result = NT_STATUS_NO_SUCH_GROUP;
- goto done;
- }
- domain = discard_const_p(char, p1);
- name = discard_const_p(char, p2);
-
- 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;
- const char *p1 = NULL, *p2 = NULL;
- char *name = NULL;
- char *domain = NULL;
- struct 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, &p1, &p2, &name_type)) {
- result = NT_STATUS_NO_SUCH_GROUP;
- goto done;
- }
- domain = discard_const_p(char, p1);
- name = discard_const_p(char, p2);
-
- 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;
- const char *domain = "";
- struct dom_sid sid;
- gid_t gid;
- enum lsa_SidType name_type;
-
- if (!winbind_lookup_name(domain, 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, 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 struct 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 struct dom_sid *sid,
- struct acct_info *info)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-static NTSTATUS pdb_wbc_sam_enum_aliasmem(struct pdb_methods *methods,
- const struct dom_sid *alias,
- TALLOC_CTX *mem_ctx,
- struct 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 struct dom_sid *domain_sid,
- const struct dom_sid *members,
- size_t num_members,
- uint32_t **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)->id_to_sid = pdb_wbc_sam_id_to_sid;
-
- (*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);
-}
git.samba.org / samba.git / commitdiff