Password and authentication handling
Copyright (C) Andrew Bartlett 2002
Copyright (C) Jelmer Vernooij 2002
+ Copyright (C) Simo Sorce 2003
+ Copyright (C) Volker Lendecke 2006
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
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_PASSDB
+/* Cache of latest SAM lookup query */
+
+static struct samu *csamuser = NULL;
+
+static_decl_pdb;
+
static struct pdb_init_function_entry *backends = NULL;
static void lazy_initialize_passdb(void)
{
static BOOL initialized = False;
- if(initialized)return;
+ if(initialized) {
+ return;
+ }
static_init_pdb;
initialized = True;
}
-static struct pdb_init_function_entry *pdb_find_backend_entry(const char *name);
+static BOOL lookup_global_sam_rid(TALLOC_CTX *mem_ctx, uint32 rid,
+ const char **name,
+ enum SID_NAME_USE *psid_name_use,
+ union unid_t *unix_id);
+/*******************************************************************
+ Clean up uninitialised passwords. The only way to tell
+ that these values are not 'real' is that they do not
+ have a valid last set time. Instead, the value is fixed at 0.
+ Therefore we use that as the key for 'is this a valid password'.
+ However, it is perfectly valid to have a 'default' last change
+ time, such LDAP with a missing attribute would produce.
+********************************************************************/
+
+static void pdb_force_pw_initialization(struct samu *pass)
+{
+ const uint8 *lm_pwd, *nt_pwd;
+
+ /* only reset a password if the last set time has been
+ explicitly been set to zero. A default last set time
+ is ignored */
+
+ if ( (pdb_get_init_flags(pass, PDB_PASSLASTSET) != PDB_DEFAULT)
+ && (pdb_get_pass_last_set_time(pass) == 0) )
+ {
+
+ if (pdb_get_init_flags(pass, PDB_LMPASSWD) != PDB_DEFAULT)
+ {
+ lm_pwd = pdb_get_lanman_passwd(pass);
+ if (lm_pwd)
+ pdb_set_lanman_passwd(pass, NULL, PDB_CHANGED);
+ }
+ if (pdb_get_init_flags(pass, PDB_NTPASSWD) != PDB_DEFAULT)
+ {
+ nt_pwd = pdb_get_nt_passwd(pass);
+ if (nt_pwd)
+ pdb_set_nt_passwd(pass, NULL, PDB_CHANGED);
+ }
+ }
+
+ return;
+}
NTSTATUS smb_register_passdb(int version, const char *name, pdb_init_function init)
{
return NT_STATUS_OBJECT_NAME_COLLISION;
}
- entry = smb_xmalloc(sizeof(struct pdb_init_function_entry));
+ entry = SMB_XMALLOC_P(struct pdb_init_function_entry);
entry->name = smb_xstrdup(name);
entry->init = init;
return NT_STATUS_OK;
}
-static struct pdb_init_function_entry *pdb_find_backend_entry(const char *name)
+struct pdb_init_function_entry *pdb_find_backend_entry(const char *name)
{
struct pdb_init_function_entry *entry = backends;
return NULL;
}
-static NTSTATUS context_setsampwent(struct pdb_context *context, BOOL update)
+/******************************************************************
+ Make a pdb_methods from scratch
+ *******************************************************************/
+
+NTSTATUS make_pdb_method_name(struct pdb_methods **methods, const char *selected)
{
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
+ char *module_name = smb_xstrdup(selected);
+ char *module_location = NULL, *p;
+ struct pdb_init_function_entry *entry;
+ NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
- if (!context) {
- DEBUG(0, ("invalid pdb_context specified!\n"));
- return ret;
- }
+ lazy_initialize_passdb();
- context->pwent_methods = context->pdb_methods;
+ p = strchr(module_name, ':');
- if (!context->pwent_methods) {
- /* No passdbs at all */
- return ret;
+ if (p) {
+ *p = 0;
+ module_location = p+1;
+ trim_char(module_location, ' ', ' ');
}
- while (NT_STATUS_IS_ERR(ret = context->pwent_methods->setsampwent(context->pwent_methods, update))) {
- context->pwent_methods = context->pwent_methods->next;
- if (context->pwent_methods == NULL)
+ trim_char(module_name, ' ', ' ');
+
+
+ DEBUG(5,("Attempting to find an passdb backend to match %s (%s)\n", selected, module_name));
+
+ entry = pdb_find_backend_entry(module_name);
+
+ /* Try to find a module that contains this module */
+ if (!entry) {
+ DEBUG(2,("No builtin backend found, trying to load plugin\n"));
+ if(NT_STATUS_IS_OK(smb_probe_module("pdb", module_name)) && !(entry = pdb_find_backend_entry(module_name))) {
+ DEBUG(0,("Plugin is available, but doesn't register passdb backend %s\n", module_name));
+ SAFE_FREE(module_name);
return NT_STATUS_UNSUCCESSFUL;
+ }
+ }
+
+ /* No such backend found */
+ if(!entry) {
+ DEBUG(0,("No builtin nor plugin backend for %s found\n", module_name));
+ SAFE_FREE(module_name);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ DEBUG(5,("Found pdb backend %s\n", module_name));
+
+ if ( !NT_STATUS_IS_OK( nt_status = entry->init(methods, module_location) ) ) {
+ DEBUG(0,("pdb backend %s did not correctly init (error was %s)\n",
+ selected, nt_errstr(nt_status)));
+ SAFE_FREE(module_name);
+ return nt_status;
+ }
+
+ SAFE_FREE(module_name);
+
+ DEBUG(5,("pdb backend %s has a valid init\n", selected));
+
+ return nt_status;
+}
+
+/******************************************************************
+ Return an already initialised pdn_methods structure
+*******************************************************************/
+
+static struct pdb_methods *pdb_get_methods_reload( BOOL reload )
+{
+ static struct pdb_methods *pdb = NULL;
+
+ if ( pdb && reload ) {
+ pdb->free_private_data( &(pdb->private_data) );
+ if ( !NT_STATUS_IS_OK( make_pdb_method_name( &pdb, lp_passdb_backend() ) ) ) {
+ pstring msg;
+ slprintf(msg, sizeof(msg)-1, "pdb_get_methods_reload: failed to get pdb methods for backend %s\n",
+ lp_passdb_backend() );
+ smb_panic(msg);
+ }
+ }
+
+ if ( !pdb ) {
+ if ( !NT_STATUS_IS_OK( make_pdb_method_name( &pdb, lp_passdb_backend() ) ) ) {
+ pstring msg;
+ slprintf(msg, sizeof(msg)-1, "pdb_get_methods_reload: failed to get pdb methods for backend %s\n",
+ lp_passdb_backend() );
+ smb_panic(msg);
+ }
+ }
+
+ return pdb;
+}
+
+static struct pdb_methods *pdb_get_methods(void)
+{
+ return pdb_get_methods_reload(False);
+}
+
+/******************************************************************
+ Backward compatibility functions for the original passdb interface
+*******************************************************************/
+
+BOOL pdb_setsampwent(BOOL update, uint16 acb_mask)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return NT_STATUS_IS_OK(pdb->setsampwent(pdb, update, acb_mask));
+}
+
+void pdb_endsampwent(void)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ pdb->endsampwent(pdb);
+}
+
+BOOL pdb_getsampwent(struct samu *user)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+
+ if ( !NT_STATUS_IS_OK(pdb->getsampwent(pdb, user) ) ) {
+ return False;
+ }
+ pdb_force_pw_initialization( user );
+ return True;
+}
+
+BOOL pdb_getsampwnam(struct samu *sam_acct, const char *username)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+
+ if (!NT_STATUS_IS_OK(pdb->getsampwnam(pdb, sam_acct, username))) {
+ return False;
+ }
+
+ if ( csamuser ) {
+ TALLOC_FREE(csamuser);
+ }
+
+ pdb_force_pw_initialization( sam_acct );
+
+ csamuser = samu_new( NULL );
+ if (!csamuser) {
+ return False;
+ }
+
+ if (!pdb_copy_sam_account(csamuser, sam_acct)) {
+ TALLOC_FREE(csamuser);
+ return False;
+ }
+
+ return True;
+}
+
+/**********************************************************************
+**********************************************************************/
+
+BOOL guest_user_info( struct samu *user )
+{
+ struct passwd *pwd;
+ NTSTATUS result;
+ const char *guestname = lp_guestaccount();
+
+ if ( !(pwd = getpwnam_alloc( NULL, guestname ) ) ) {
+ DEBUG(0,("guest_user_info: Unable to locate guest account [%s]!\n",
+ guestname));
+ return False;
+ }
+
+ result = samu_set_unix(user, pwd );
+
+ TALLOC_FREE( pwd );
+
+ return NT_STATUS_IS_OK( result );
+}
+
+/**********************************************************************
+**********************************************************************/
+
+BOOL pdb_getsampwsid(struct samu *sam_acct, const DOM_SID *sid)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ uint32 rid;
+
+ /* hard code the Guest RID of 501 */
+
+ if ( !sid_peek_check_rid( get_global_sam_sid(), sid, &rid ) )
+ return False;
+
+ if ( rid == DOMAIN_USER_RID_GUEST ) {
+ DEBUG(6,("pdb_getsampwsid: Building guest account\n"));
+ return guest_user_info( sam_acct );
+ }
+
+ /* check the cache first */
+
+ if ( csamuser && sid_equal(sid, pdb_get_user_sid(csamuser) ) )
+ return pdb_copy_sam_account(sam_acct, csamuser);
+
+ return NT_STATUS_IS_OK(pdb->getsampwsid(pdb, sam_acct, sid));
+}
+
+static NTSTATUS pdb_default_create_user(struct pdb_methods *methods,
+ TALLOC_CTX *tmp_ctx, const char *name,
+ uint32 acb_info, uint32 *rid)
+{
+ struct samu *sam_pass;
+ NTSTATUS status;
+ struct passwd *pwd;
+
+ if ((sam_pass = samu_new(tmp_ctx)) == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if ( !(pwd = Get_Pwnam_alloc(tmp_ctx, name)) ) {
+ pstring add_script;
+ int add_ret;
+
+ if ((acb_info & ACB_NORMAL) && name[strlen(name)-1] != '$') {
+ pstrcpy(add_script, lp_adduser_script());
+ } else {
+ pstrcpy(add_script, lp_addmachine_script());
+ }
+
+ if (add_script[0] == '\0') {
+ DEBUG(3, ("Could not find user %s and no add script "
+ "defined\n", name));
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
+ all_string_sub(add_script, "%u", name, sizeof(add_script));
+ add_ret = smbrun(add_script,NULL);
+ DEBUG(add_ret ? 0 : 3, ("_samr_create_user: Running the command `%s' gave %d\n",
+ add_script, add_ret));
+
+#ifdef ENABLE_BUILD_FARM_HACKS
+ if (add_ret != 0) {
+ DEBUG(1, ("Creating a faked user %s for build farm "
+ "purposes", name));
+ faked_create_user(name);
+ }
+#endif
+
+ flush_pwnam_cache();
+
+ pwd = Get_Pwnam_alloc(tmp_ctx, name);
+ }
+
+ /* we have a valid SID coming out of this call */
+
+ status = samu_alloc_rid_unix( sam_pass, pwd );
+
+ TALLOC_FREE( pwd );
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(3, ("pdb_default_create_user: failed to create a new user structure: %s\n", nt_errstr(status)));
+ return status;
}
+
+ if (!sid_peek_check_rid(get_global_sam_sid(),
+ pdb_get_user_sid(sam_pass), rid)) {
+ DEBUG(0, ("Could not get RID of fresh user\n"));
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+
+ /* Disable the account on creation, it does not have a reasonable password yet. */
+
+ acb_info |= ACB_DISABLED;
+
+ pdb_set_acct_ctrl(sam_pass, acb_info, PDB_CHANGED);
+
+ status = pdb_add_sam_account(sam_pass);
+
+ TALLOC_FREE(sam_pass);
+
+ return status;
+}
+
+NTSTATUS pdb_create_user(TALLOC_CTX *mem_ctx, const char *name, uint32 flags,
+ uint32 *rid)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->create_user(pdb, mem_ctx, name, flags, rid);
+}
+
+/****************************************************************************
+ Delete a UNIX user on demand.
+****************************************************************************/
+
+static int smb_delete_user(const char *unix_user)
+{
+ pstring del_script;
+ int ret;
+
+ /* safety check */
+
+ if ( strequal( unix_user, "root" ) ) {
+ DEBUG(0,("smb_delete_user: Refusing to delete local system root account!\n"));
+ return -1;
+ }
+
+ pstrcpy(del_script, lp_deluser_script());
+ if (! *del_script)
+ return -1;
+ all_string_sub(del_script, "%u", unix_user, sizeof(del_script));
+ ret = smbrun(del_script,NULL);
+ flush_pwnam_cache();
+ DEBUG(ret ? 0 : 3,("smb_delete_user: Running the command `%s' gave %d\n",del_script,ret));
+
return ret;
}
-static void context_endsampwent(struct pdb_context *context)
+static NTSTATUS pdb_default_delete_user(struct pdb_methods *methods,
+ TALLOC_CTX *mem_ctx,
+ struct samu *sam_acct)
+{
+ NTSTATUS status;
+
+ status = pdb_delete_sam_account(sam_acct);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ /*
+ * Now delete the unix side ....
+ * note: we don't check if the delete really happened as the script is
+ * not necessary present and maybe the sysadmin doesn't want to delete
+ * the unix side
+ */
+ smb_delete_user( pdb_get_username(sam_acct) );
+
+ return status;
+}
+
+NTSTATUS pdb_delete_user(TALLOC_CTX *mem_ctx, struct samu *sam_acct)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ uid_t uid = -1;
+
+ /* sanity check to make sure we don't delete root */
+
+ if ( !sid_to_uid( pdb_get_user_sid(sam_acct), &uid ) ) {
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
+ if ( uid == 0 ) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ return pdb->delete_user(pdb, mem_ctx, sam_acct);
+}
+
+NTSTATUS pdb_add_sam_account(struct samu *sam_acct)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->add_sam_account(pdb, sam_acct);
+}
+
+NTSTATUS pdb_update_sam_account(struct samu *sam_acct)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+
+ if (csamuser != NULL) {
+ TALLOC_FREE(csamuser);
+ csamuser = NULL;
+ }
+
+ return pdb->update_sam_account(pdb, sam_acct);
+}
+
+NTSTATUS pdb_delete_sam_account(struct samu *sam_acct)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+
+ if (csamuser != NULL) {
+ TALLOC_FREE(csamuser);
+ csamuser = NULL;
+ }
+
+ return pdb->delete_sam_account(pdb, sam_acct);
+}
+
+NTSTATUS pdb_rename_sam_account(struct samu *oldname, const char *newname)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ uid_t uid;
+
+ if (csamuser != NULL) {
+ TALLOC_FREE(csamuser);
+ csamuser = NULL;
+ }
+
+ /* sanity check to make sure we don't rename root */
+
+ if ( !sid_to_uid( pdb_get_user_sid(oldname), &uid ) ) {
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
+ if ( uid == 0 ) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ return pdb->rename_sam_account(pdb, oldname, newname);
+}
+
+NTSTATUS pdb_update_login_attempts(struct samu *sam_acct, BOOL success)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->update_login_attempts(pdb, sam_acct, success);
+}
+
+BOOL pdb_getgrsid(GROUP_MAP *map, DOM_SID sid)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return NT_STATUS_IS_OK(pdb->getgrsid(pdb, map, sid));
+}
+
+BOOL pdb_getgrgid(GROUP_MAP *map, gid_t gid)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return NT_STATUS_IS_OK(pdb->getgrgid(pdb, map, gid));
+}
+
+BOOL pdb_getgrnam(GROUP_MAP *map, const char *name)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return NT_STATUS_IS_OK(pdb->getgrnam(pdb, map, name));
+}
+
+static NTSTATUS pdb_default_create_dom_group(struct pdb_methods *methods,
+ TALLOC_CTX *mem_ctx,
+ const char *name,
+ uint32 *rid)
+{
+ DOM_SID group_sid;
+ struct group *grp;
+
+ grp = getgrnam(name);
+
+ if (grp == NULL) {
+ gid_t gid;
+
+ if (smb_create_group(name, &gid) != 0) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ grp = getgrgid(gid);
+ }
+
+ if (grp == NULL) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ if (pdb_rid_algorithm()) {
+ *rid = pdb_gid_to_group_rid( grp->gr_gid );
+ } else {
+ if (!pdb_new_rid(rid)) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+ }
+
+ sid_compose(&group_sid, get_global_sam_sid(), *rid);
+
+ return add_initial_entry(grp->gr_gid, sid_string_static(&group_sid),
+ SID_NAME_DOM_GRP, name, NULL);
+}
+
+NTSTATUS pdb_create_dom_group(TALLOC_CTX *mem_ctx, const char *name,
+ uint32 *rid)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->create_dom_group(pdb, mem_ctx, name, rid);
+}
+
+static NTSTATUS pdb_default_delete_dom_group(struct pdb_methods *methods,
+ TALLOC_CTX *mem_ctx,
+ uint32 rid)
+{
+ DOM_SID group_sid;
+ GROUP_MAP map;
+ NTSTATUS status;
+ struct group *grp;
+ const char *grp_name;
+
+ sid_compose(&group_sid, get_global_sam_sid(), rid);
+
+ if (!get_domain_group_from_sid(group_sid, &map)) {
+ DEBUG(10, ("Could not find group for rid %d\n", rid));
+ return NT_STATUS_NO_SUCH_GROUP;
+ }
+
+ /* We need the group name for the smb_delete_group later on */
+
+ if (map.gid == (gid_t)-1) {
+ return NT_STATUS_NO_SUCH_GROUP;
+ }
+
+ grp = getgrgid(map.gid);
+ if (grp == NULL) {
+ return NT_STATUS_NO_SUCH_GROUP;
+ }
+
+ /* Copy the name, no idea what pdb_delete_group_mapping_entry does.. */
+
+ grp_name = talloc_strdup(mem_ctx, grp->gr_name);
+ if (grp_name == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ status = pdb_delete_group_mapping_entry(group_sid);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ /* Don't check the result of smb_delete_group */
+
+ smb_delete_group(grp_name);
+
+ return NT_STATUS_OK;
+}
+
+NTSTATUS pdb_delete_dom_group(TALLOC_CTX *mem_ctx, uint32 rid)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->delete_dom_group(pdb, mem_ctx, rid);
+}
+
+NTSTATUS pdb_add_group_mapping_entry(GROUP_MAP *map)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->add_group_mapping_entry(pdb, map);
+}
+
+NTSTATUS pdb_update_group_mapping_entry(GROUP_MAP *map)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->update_group_mapping_entry(pdb, map);
+}
+
+NTSTATUS pdb_delete_group_mapping_entry(DOM_SID sid)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->delete_group_mapping_entry(pdb, sid);
+}
+
+BOOL pdb_enum_group_mapping(const DOM_SID *sid, enum SID_NAME_USE sid_name_use, GROUP_MAP **pp_rmap,
+ size_t *p_num_entries, BOOL unix_only)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return NT_STATUS_IS_OK(pdb-> enum_group_mapping(pdb, sid, sid_name_use,
+ pp_rmap, p_num_entries, unix_only));
+}
+
+NTSTATUS pdb_enum_group_members(TALLOC_CTX *mem_ctx,
+ const DOM_SID *sid,
+ uint32 **pp_member_rids,
+ size_t *p_num_members)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ NTSTATUS result;
+
+ result = pdb->enum_group_members(pdb, mem_ctx,
+ sid, pp_member_rids, p_num_members);
+
+ /* special check for rid 513 */
+
+ if ( !NT_STATUS_IS_OK( result ) ) {
+ uint32 rid;
+
+ sid_peek_rid( sid, &rid );
+
+ if ( rid == DOMAIN_GROUP_RID_USERS ) {
+ *p_num_members = 0;
+ *pp_member_rids = NULL;
+
+ return NT_STATUS_OK;
+ }
+ }
+
+ return result;
+}
+
+NTSTATUS pdb_enum_group_memberships(TALLOC_CTX *mem_ctx, struct samu *user,
+ DOM_SID **pp_sids, gid_t **pp_gids,
+ size_t *p_num_groups)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->enum_group_memberships(
+ pdb, mem_ctx, user,
+ pp_sids, pp_gids, p_num_groups);
+}
+
+static NTSTATUS pdb_default_set_unix_primary_group(struct pdb_methods *methods,
+ TALLOC_CTX *mem_ctx,
+ struct samu *sampass)
+{
+ struct group *grp;
+ gid_t gid;
+
+ if (!sid_to_gid(pdb_get_group_sid(sampass), &gid) ||
+ (grp = getgrgid(gid)) == NULL) {
+ return NT_STATUS_INVALID_PRIMARY_GROUP;
+ }
+
+ if (smb_set_primary_group(grp->gr_name,
+ pdb_get_username(sampass)) != 0) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ return NT_STATUS_OK;
+}
+
+NTSTATUS pdb_set_unix_primary_group(TALLOC_CTX *mem_ctx, struct samu *user)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->set_unix_primary_group(pdb, mem_ctx, user);
+}
+
+/*
+ * Helper function to see whether a user is in a group. We can't use
+ * user_in_group_sid here because this creates dependencies only smbd can
+ * fulfil.
+ */
+
+static BOOL pdb_user_in_group(TALLOC_CTX *mem_ctx, struct samu *account,
+ const DOM_SID *group_sid)
+{
+ DOM_SID *sids;
+ gid_t *gids;
+ size_t i, num_groups;
+
+ if (!NT_STATUS_IS_OK(pdb_enum_group_memberships(mem_ctx, account,
+ &sids, &gids,
+ &num_groups))) {
+ return False;
+ }
+
+ for (i=0; i<num_groups; i++) {
+ if (sid_equal(group_sid, &sids[i])) {
+ return True;
+ }
+ }
+ return False;
+}
+
+static NTSTATUS pdb_default_add_groupmem(struct pdb_methods *methods,
+ TALLOC_CTX *mem_ctx,
+ uint32 group_rid,
+ uint32 member_rid)
+{
+ DOM_SID group_sid, member_sid;
+ struct samu *account = NULL;
+ GROUP_MAP map;
+ struct group *grp;
+ struct passwd *pwd;
+ const char *group_name;
+ uid_t uid;
+
+ sid_compose(&group_sid, get_global_sam_sid(), group_rid);
+ sid_compose(&member_sid, get_global_sam_sid(), member_rid);
+
+ if (!get_domain_group_from_sid(group_sid, &map) ||
+ (map.gid == (gid_t)-1) ||
+ ((grp = getgrgid(map.gid)) == NULL)) {
+ return NT_STATUS_NO_SUCH_GROUP;
+ }
+
+ group_name = talloc_strdup(mem_ctx, grp->gr_name);
+ if (group_name == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if ( !(account = samu_new( NULL )) ) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_getsampwsid(account, &member_sid) ||
+ !sid_to_uid(&member_sid, &uid) ||
+ ((pwd = getpwuid_alloc(mem_ctx, uid)) == NULL)) {
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
+ if (pdb_user_in_group(mem_ctx, account, &group_sid)) {
+ return NT_STATUS_MEMBER_IN_GROUP;
+ }
+
+ /*
+ * ok, the group exist, the user exist, the user is not in the group,
+ * we can (finally) add it to the group !
+ */
+
+ smb_add_user_group(group_name, pwd->pw_name);
+
+ if (!pdb_user_in_group(mem_ctx, account, &group_sid)) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ return NT_STATUS_OK;
+}
+
+NTSTATUS pdb_add_groupmem(TALLOC_CTX *mem_ctx, uint32 group_rid,
+ uint32 member_rid)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->add_groupmem(pdb, mem_ctx, group_rid, member_rid);
+}
+
+static NTSTATUS pdb_default_del_groupmem(struct pdb_methods *methods,
+ TALLOC_CTX *mem_ctx,
+ uint32 group_rid,
+ uint32 member_rid)
+{
+ DOM_SID group_sid, member_sid;
+ struct samu *account = NULL;
+ GROUP_MAP map;
+ struct group *grp;
+ struct passwd *pwd;
+ const char *group_name;
+ uid_t uid;
+
+ sid_compose(&group_sid, get_global_sam_sid(), group_rid);
+ sid_compose(&member_sid, get_global_sam_sid(), member_rid);
+
+ if (!get_domain_group_from_sid(group_sid, &map) ||
+ (map.gid == (gid_t)-1) ||
+ ((grp = getgrgid(map.gid)) == NULL)) {
+ return NT_STATUS_NO_SUCH_GROUP;
+ }
+
+ group_name = talloc_strdup(mem_ctx, grp->gr_name);
+ if (group_name == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if ( !(account = samu_new( NULL )) ) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_getsampwsid(account, &member_sid) ||
+ !sid_to_uid(&member_sid, &uid) ||
+ ((pwd = getpwuid_alloc(mem_ctx, uid)) == NULL)) {
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
+ if (!pdb_user_in_group(mem_ctx, account, &group_sid)) {
+ return NT_STATUS_MEMBER_NOT_IN_GROUP;
+ }
+
+ /*
+ * ok, the group exist, the user exist, the user is in the group,
+ * we can (finally) delete it from the group!
+ */
+
+ smb_delete_user_group(group_name, pwd->pw_name);
+
+ if (pdb_user_in_group(mem_ctx, account, &group_sid)) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ return NT_STATUS_OK;
+}
+
+NTSTATUS pdb_del_groupmem(TALLOC_CTX *mem_ctx, uint32 group_rid,
+ uint32 member_rid)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->del_groupmem(pdb, mem_ctx, group_rid, member_rid);
+}
+
+BOOL pdb_find_alias(const char *name, DOM_SID *sid)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return NT_STATUS_IS_OK(pdb->find_alias(pdb, name, sid));
+}
+
+NTSTATUS pdb_create_alias(const char *name, uint32 *rid)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->create_alias(pdb, name, rid);
+}
+
+BOOL pdb_delete_alias(const DOM_SID *sid)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return NT_STATUS_IS_OK(pdb->delete_alias(pdb, sid));
+
+}
+
+BOOL pdb_get_aliasinfo(const DOM_SID *sid, struct acct_info *info)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return NT_STATUS_IS_OK(pdb->get_aliasinfo(pdb, sid, info));
+}
+
+BOOL pdb_set_aliasinfo(const DOM_SID *sid, struct acct_info *info)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return NT_STATUS_IS_OK(pdb->set_aliasinfo(pdb, sid, info));
+}
+
+NTSTATUS pdb_add_aliasmem(const DOM_SID *alias, const DOM_SID *member)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->add_aliasmem(pdb, alias, member);
+}
+
+NTSTATUS pdb_del_aliasmem(const DOM_SID *alias, const DOM_SID *member)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->del_aliasmem(pdb, alias, member);
+}
+
+NTSTATUS pdb_enum_aliasmem(const DOM_SID *alias,
+ DOM_SID **pp_members, size_t *p_num_members)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->enum_aliasmem(pdb, alias, pp_members, p_num_members);
+}
+
+NTSTATUS pdb_enum_alias_memberships(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)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->enum_alias_memberships(pdb, mem_ctx,
+ domain_sid,
+ members, num_members,
+ pp_alias_rids,
+ p_num_alias_rids);
+}
+
+NTSTATUS pdb_lookup_rids(const DOM_SID *domain_sid,
+ int num_rids,
+ uint32 *rids,
+ const char **names,
+ enum SID_NAME_USE *attrs)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->lookup_rids(pdb, domain_sid, num_rids, rids, names, attrs);
+}
+
+NTSTATUS pdb_lookup_names(const DOM_SID *domain_sid,
+ int num_names,
+ const char **names,
+ uint32 *rids,
+ enum SID_NAME_USE *attrs)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->lookup_names(pdb, domain_sid, num_names, names, rids, attrs);
+}
+
+BOOL pdb_get_account_policy(int policy_index, uint32 *value)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return NT_STATUS_IS_OK(pdb->get_account_policy(pdb, policy_index, value));
+}
+
+BOOL pdb_set_account_policy(int policy_index, uint32 value)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return NT_STATUS_IS_OK(pdb->set_account_policy(pdb, policy_index, value));
+}
+
+BOOL pdb_get_seq_num(time_t *seq_num)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return NT_STATUS_IS_OK(pdb->get_seq_num(pdb, seq_num));
+}
+
+BOOL pdb_uid_to_rid(uid_t uid, uint32 *rid)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->uid_to_rid(pdb, uid, rid);
+}
+
+BOOL pdb_gid_to_sid(gid_t gid, DOM_SID *sid)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->gid_to_sid(pdb, gid, sid);
+}
+
+BOOL pdb_sid_to_id(const DOM_SID *sid, union unid_t *id,
+ enum SID_NAME_USE *type)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->sid_to_id(pdb, sid, id, type);
+}
+
+BOOL pdb_rid_algorithm(void)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ return pdb->rid_algorithm(pdb);
+}
+
+/********************************************************************
+ Allocate a new RID from the passdb backend. Verify that it is free
+ by calling lookup_global_sam_rid() to verify that the RID is not
+ in use. This handles servers that have existing users or groups
+ with add RIDs (assigned from previous algorithmic mappings)
+********************************************************************/
+
+BOOL pdb_new_rid(uint32 *rid)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ const char *name = NULL;
+ enum SID_NAME_USE type;
+ uint32 allocated_rid = 0;
+ int i;
+ TALLOC_CTX *ctx;
+
+ if (pdb_rid_algorithm()) {
+ DEBUG(0, ("Trying to allocate a RID when algorithmic RIDs "
+ "are active\n"));
+ return False;
+ }
+
+ if (algorithmic_rid_base() != BASE_RID) {
+ DEBUG(0, ("'algorithmic rid base' is set but a passdb backend "
+ "without algorithmic RIDs is chosen.\n"));
+ DEBUGADD(0, ("Please map all used groups using 'net groupmap "
+ "add', set the maximum used RID using\n"));
+ DEBUGADD(0, ("'net setmaxrid' and remove the parameter\n"));
+ return False;
+ }
+
+ if ( (ctx = talloc_init("pdb_new_rid")) == NULL ) {
+ DEBUG(0,("pdb_new_rid: Talloc initialization failure\n"));
+ return False;
+ }
+
+ /* Attempt to get an unused RID (max tires is 250...yes that it is
+ and arbitrary number I pulkled out of my head). -- jerry */
+
+ for ( i=0; allocated_rid==0 && i<250; i++ ) {
+ /* get a new RID */
+
+ if ( !pdb->new_rid(pdb, &allocated_rid) ) {
+ return False;
+ }
+
+ /* validate that the RID is not in use */
+
+ if ( lookup_global_sam_rid( ctx, allocated_rid, &name, &type, NULL ) ) {
+ allocated_rid = 0;
+ }
+ }
+
+ TALLOC_FREE( ctx );
+
+ if ( allocated_rid == 0 ) {
+ DEBUG(0,("pdb_new_rid: Failed to find unused RID\n"));
+ return False;
+ }
+
+ *rid = allocated_rid;
+
+ return True;
+}
+
+/***************************************************************
+ Initialize the static context (at smbd startup etc).
+
+ If uninitialised, context will auto-init on first use.
+ ***************************************************************/
+
+BOOL initialize_password_db(BOOL reload)
+{
+ return (pdb_get_methods_reload(reload) != NULL);
+}
+
+
+/***************************************************************************
+ Default implementations of some functions.
+ ****************************************************************************/
+
+static NTSTATUS pdb_default_getsampwnam (struct pdb_methods *methods, struct samu *user, const char *sname)
+{
+ return NT_STATUS_NO_SUCH_USER;
+}
+
+static NTSTATUS pdb_default_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
+{
+ return NT_STATUS_NO_SUCH_USER;
+}
+
+static NTSTATUS pdb_default_add_sam_account (struct pdb_methods *methods, struct samu *newpwd)
+{
+ return NT_STATUS_NOT_IMPLEMENTED;
+}
+
+static NTSTATUS pdb_default_update_sam_account (struct pdb_methods *methods, struct samu *newpwd)
+{
+ return NT_STATUS_NOT_IMPLEMENTED;
+}
+
+static NTSTATUS pdb_default_delete_sam_account (struct pdb_methods *methods, struct samu *pwd)
+{
+ return NT_STATUS_NOT_IMPLEMENTED;
+}
+
+static NTSTATUS pdb_default_rename_sam_account (struct pdb_methods *methods, struct samu *pwd, const char *newname)
+{
+ return NT_STATUS_NOT_IMPLEMENTED;
+}
+
+static NTSTATUS pdb_default_update_login_attempts (struct pdb_methods *methods, struct samu *newpwd, BOOL success)
+{
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS pdb_default_setsampwent(struct pdb_methods *methods, BOOL update, uint32 acb_mask)
+{
+ return NT_STATUS_NOT_IMPLEMENTED;
+}
+
+static NTSTATUS pdb_default_getsampwent(struct pdb_methods *methods, struct samu *user)
+{
+ return NT_STATUS_NOT_IMPLEMENTED;
+}
+
+static void pdb_default_endsampwent(struct pdb_methods *methods)
+{
+ return; /* NT_STATUS_NOT_IMPLEMENTED; */
+}
+
+static NTSTATUS pdb_default_get_account_policy(struct pdb_methods *methods, int policy_index, uint32 *value)
+{
+ return account_policy_get(policy_index, value) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
+}
+
+static NTSTATUS pdb_default_set_account_policy(struct pdb_methods *methods, int policy_index, uint32 value)
+{
+ return account_policy_set(policy_index, value) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
+}
+
+static NTSTATUS pdb_default_get_seq_num(struct pdb_methods *methods, time_t *seq_num)
{
- if ((!context)){
- DEBUG(0, ("invalid pdb_context specified!\n"));
- return;
- }
-
- if (context->pwent_methods && context->pwent_methods->endsampwent)
- context->pwent_methods->endsampwent(context->pwent_methods);
-
- /* So we won't get strange data when calling getsampwent now */
- context->pwent_methods = NULL;
+ *seq_num = time(NULL);
+ return NT_STATUS_OK;
}
-static NTSTATUS context_getsampwent(struct pdb_context *context, SAM_ACCOUNT *user)
+static BOOL pdb_default_uid_to_rid(struct pdb_methods *methods, uid_t uid,
+ uint32 *rid)
{
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
+ struct samu *sampw = NULL;
+ struct passwd *unix_pw;
+ BOOL ret;
+
+ unix_pw = sys_getpwuid( uid );
- if ((!context) || (!context->pwent_methods)) {
- DEBUG(0, ("invalid pdb_context specified!\n"));
- return ret;
+ if ( !unix_pw ) {
+ DEBUG(4,("pdb_default_uid_to_rid: host has no idea of uid "
+ "%lu\n", (unsigned long)uid));
+ return False;
}
- /* Loop until we find something useful */
- while (NT_STATUS_IS_ERR(ret = context->pwent_methods->getsampwent(context->pwent_methods, user))) {
-
- context->pwent_methods->endsampwent(context->pwent_methods);
-
- context->pwent_methods = context->pwent_methods->next;
-
- /* All methods are checked now. There are no more entries */
- if (context->pwent_methods == NULL)
- return ret;
- context->pwent_methods->setsampwent(context->pwent_methods, False);
+ if ( !(sampw = samu_new( NULL )) ) {
+ DEBUG(0,("pdb_default_uid_to_rid: samu_new() failed!\n"));
+ return False;
}
- user->methods = context->pwent_methods;
- return ret;
-}
-static NTSTATUS context_getsampwnam(struct pdb_context *context, SAM_ACCOUNT *sam_acct, const char *username)
-{
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
+ become_root();
+ ret = NT_STATUS_IS_OK(
+ methods->getsampwnam(methods, sampw, unix_pw->pw_name ));
+ unbecome_root();
- struct pdb_methods *curmethods;
- if ((!context)) {
- DEBUG(0, ("invalid pdb_context specified!\n"));
- return ret;
+ if (!ret) {
+ DEBUG(5, ("pdb_default_uid_to_rid: Did not find user "
+ "%s (%d)\n", unix_pw->pw_name, uid));
+ TALLOC_FREE(sampw);
+ return False;
}
- curmethods = context->pdb_methods;
- while (curmethods){
- if (NT_STATUS_IS_OK(ret = curmethods->getsampwnam(curmethods, sam_acct, username))) {
- sam_acct->methods = curmethods;
- return ret;
- }
- curmethods = curmethods->next;
+
+ ret = sid_peek_check_rid(get_global_sam_sid(),
+ pdb_get_user_sid(sampw), rid);
+
+ if (!ret) {
+ DEBUG(1, ("Could not peek rid out of sid %s\n",
+ sid_string_static(pdb_get_user_sid(sampw))));
}
+ TALLOC_FREE(sampw);
return ret;
}
-static NTSTATUS context_getsampwsid(struct pdb_context *context, SAM_ACCOUNT *sam_acct, const DOM_SID *sid)
+static BOOL pdb_default_gid_to_sid(struct pdb_methods *methods, gid_t gid,
+ DOM_SID *sid)
{
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
-
- struct pdb_methods *curmethods;
- if ((!context)) {
- DEBUG(0, ("invalid pdb_context specified!\n"));
- return ret;
- }
-
- curmethods = context->pdb_methods;
+ GROUP_MAP map;
- while (curmethods){
- if (NT_STATUS_IS_OK(ret = curmethods->getsampwsid(curmethods, sam_acct, sid))) {
- sam_acct->methods = curmethods;
- return ret;
- }
- curmethods = curmethods->next;
+ if (!NT_STATUS_IS_OK(methods->getgrgid(methods, &map, gid))) {
+ return False;
}
- return ret;
+ sid_copy(sid, &map.sid);
+ return True;
}
-static NTSTATUS context_add_sam_account(struct pdb_context *context, SAM_ACCOUNT *sam_acct)
+static BOOL pdb_default_sid_to_id(struct pdb_methods *methods,
+ const DOM_SID *sid,
+ union unid_t *id, enum SID_NAME_USE *type)
{
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
+ TALLOC_CTX *mem_ctx;
+ BOOL ret = False;
+ const char *name;
+ uint32 rid;
- if ((!context) || (!context->pdb_methods)) {
- DEBUG(0, ("invalid pdb_context specified!\n"));
- return ret;
- }
+ mem_ctx = talloc_new(NULL);
- /** @todo This is where a 're-read on add' should be done */
- /* We now add a new account to the first database listed.
- * Should we? */
+ if (mem_ctx == NULL) {
+ DEBUG(0, ("talloc_new failed\n"));
+ return False;
+ }
- return context->pdb_methods->add_sam_account(context->pdb_methods, sam_acct);
-}
+ if (sid_peek_check_rid(get_global_sam_sid(), sid, &rid)) {
+ /* Here we might have users as well as groups and aliases */
+ ret = lookup_global_sam_rid(mem_ctx, rid, &name, type, id);
+ goto done;
+ }
-static NTSTATUS context_update_sam_account(struct pdb_context *context, SAM_ACCOUNT *sam_acct)
-{
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
+ if (sid_peek_check_rid(&global_sid_Builtin, sid, &rid)) {
+ /* Here we only have aliases */
+ GROUP_MAP map;
+ if (!NT_STATUS_IS_OK(methods->getgrsid(methods, &map, *sid))) {
+ DEBUG(10, ("Could not find map for sid %s\n",
+ sid_string_static(sid)));
+ goto done;
+ }
+ if ((map.sid_name_use != SID_NAME_ALIAS) &&
+ (map.sid_name_use != SID_NAME_WKN_GRP)) {
+ DEBUG(10, ("Map for sid %s is a %s, expected an "
+ "alias\n", sid_string_static(sid),
+ sid_type_lookup(map.sid_name_use)));
+ goto done;
+ }
- if (!context) {
- DEBUG(0, ("invalid pdb_context specified!\n"));
- return ret;
+ id->gid = map.gid;
+ *type = SID_NAME_ALIAS;
+ ret = True;
+ goto done;
}
- if (!sam_acct || !sam_acct->methods){
- DEBUG(0, ("invalid sam_acct specified\n"));
- return ret;
- }
+ DEBUG(5, ("Sid %s is neither ours nor builtin, don't know it\n",
+ sid_string_static(sid)));
- /** @todo This is where a 're-read on update' should be done */
+ done:
- return sam_acct->methods->update_sam_account(sam_acct->methods, sam_acct);
+ TALLOC_FREE(mem_ctx);
+ return ret;
}
-static NTSTATUS context_delete_sam_account(struct pdb_context *context, SAM_ACCOUNT *sam_acct)
+static void add_uid_to_array_unique(TALLOC_CTX *mem_ctx,
+ uid_t uid, uid_t **pp_uids, size_t *p_num)
{
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
+ size_t i;
- struct pdb_methods *pdb_selected;
- if (!context) {
- DEBUG(0, ("invalid pdb_context specified!\n"));
- return ret;
+ for (i=0; i<*p_num; i++) {
+ if ((*pp_uids)[i] == uid)
+ return;
}
+
+ *pp_uids = TALLOC_REALLOC_ARRAY(mem_ctx, *pp_uids, uid_t, *p_num+1);
- if (!sam_acct->methods){
- pdb_selected = context->pdb_methods;
- /* There's no passdb backend specified for this account.
- * Try to delete it in every passdb available
- * Needed to delete accounts in smbpasswd that are not
- * in /etc/passwd.
- */
- while (pdb_selected){
- if (NT_STATUS_IS_OK(ret = pdb_selected->delete_sam_account(pdb_selected, sam_acct))) {
- return ret;
- }
- pdb_selected = pdb_selected->next;
- }
- return ret;
- }
+ if (*pp_uids == NULL)
+ return;
- if (!sam_acct->methods->delete_sam_account){
- DEBUG(0,("invalid sam_acct->methods->delete_sam_account\n"));
- return ret;
- }
-
- return sam_acct->methods->delete_sam_account(sam_acct->methods, sam_acct);
+ (*pp_uids)[*p_num] = uid;
+ *p_num += 1;
}
-static NTSTATUS context_getgrsid(struct pdb_context *context,
- GROUP_MAP *map, DOM_SID sid)
+static BOOL get_memberuids(TALLOC_CTX *mem_ctx, gid_t gid, uid_t **pp_uids, size_t *p_num)
{
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
-
- struct pdb_methods *curmethods;
- if ((!context)) {
- DEBUG(0, ("invalid pdb_context specified!\n"));
- return ret;
- }
- curmethods = context->pdb_methods;
- while (curmethods){
- ret = curmethods->getgrsid(curmethods, map, sid);
- if (NT_STATUS_IS_OK(ret)) {
- map->methods = curmethods;
- return ret;
+ struct group *grp;
+ char **gr;
+ struct passwd *pwd;
+ char *winbindd_env;
+
+ *pp_uids = NULL;
+ *p_num = 0;
+
+ /* We only look at our own sam, so don't care about imported stuff */
+
+ winbindd_env = getenv(WINBINDD_DONT_ENV);
+ winbind_off();
+
+ if ((grp = getgrgid(gid)) == NULL) {
+ /* allow winbindd lookups, but only if they weren't already disabled */
+ if ( !(winbindd_env && strequal(winbindd_env, "1")) ) {
+ winbind_on();
}
- curmethods = curmethods->next;
- }
- return ret;
-}
+ return False;
+ }
-static NTSTATUS context_getgrgid(struct pdb_context *context,
- GROUP_MAP *map, gid_t gid)
-{
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
+ /* Primary group members */
- struct pdb_methods *curmethods;
- if ((!context)) {
- DEBUG(0, ("invalid pdb_context specified!\n"));
- return ret;
- }
- curmethods = context->pdb_methods;
- while (curmethods){
- ret = curmethods->getgrgid(curmethods, map, gid);
- if (NT_STATUS_IS_OK(ret)) {
- map->methods = curmethods;
- return ret;
+ setpwent();
+ while ((pwd = getpwent()) != NULL) {
+ if (pwd->pw_gid == gid) {
+ add_uid_to_array_unique(mem_ctx, pwd->pw_uid,
+ pp_uids, p_num);
}
- curmethods = curmethods->next;
}
+ endpwent();
- return ret;
-}
+ /* Secondary group members */
-static NTSTATUS context_getgrnam(struct pdb_context *context,
- GROUP_MAP *map, char *name)
-{
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
+ for (gr = grp->gr_mem; (*gr != NULL) && ((*gr)[0] != '\0'); gr += 1) {
+ struct passwd *pw = getpwnam(*gr);
- struct pdb_methods *curmethods;
- if ((!context)) {
- DEBUG(0, ("invalid pdb_context specified!\n"));
- return ret;
+ if (pw == NULL)
+ continue;
+ add_uid_to_array_unique(mem_ctx, pw->pw_uid, pp_uids, p_num);
}
- curmethods = context->pdb_methods;
- while (curmethods){
- ret = curmethods->getgrnam(curmethods, map, name);
- if (NT_STATUS_IS_OK(ret)) {
- map->methods = curmethods;
- return ret;
- }
- curmethods = curmethods->next;
+
+ /* allow winbindd lookups, but only if they weren't already disabled */
+
+ if ( !(winbindd_env && strequal(winbindd_env, "1")) ) {
+ winbind_on();
}
- return ret;
+ return True;
}
-static NTSTATUS context_add_group_mapping_entry(struct pdb_context *context,
- GROUP_MAP *map)
+NTSTATUS pdb_default_enum_group_members(struct pdb_methods *methods,
+ TALLOC_CTX *mem_ctx,
+ const DOM_SID *group,
+ uint32 **pp_member_rids,
+ size_t *p_num_members)
{
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
+ gid_t gid;
+ uid_t *uids;
+ size_t i, num_uids;
- if ((!context) || (!context->pdb_methods)) {
- DEBUG(0, ("invalid pdb_context specified!\n"));
- return ret;
- }
+ *pp_member_rids = NULL;
+ *p_num_members = 0;
- return context->pdb_methods->add_group_mapping_entry(context->pdb_methods,
- map);
-}
+ if (!sid_to_gid(group, &gid))
+ return NT_STATUS_NO_SUCH_GROUP;
-static NTSTATUS context_update_group_mapping_entry(struct pdb_context *context,
- GROUP_MAP *map)
-{
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
+ if(!get_memberuids(mem_ctx, gid, &uids, &num_uids))
+ return NT_STATUS_NO_SUCH_GROUP;
- if ((!context) || (!context->pdb_methods)) {
- DEBUG(0, ("invalid pdb_context specified!\n"));
- return ret;
- }
+ if (num_uids == 0)
+ return NT_STATUS_OK;
- return context->
- pdb_methods->update_group_mapping_entry(context->pdb_methods, map);
-}
+ *pp_member_rids = TALLOC_ZERO_ARRAY(mem_ctx, uint32, num_uids);
-static NTSTATUS context_delete_group_mapping_entry(struct pdb_context *context,
- DOM_SID sid)
-{
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
+ for (i=0; i<num_uids; i++) {
+ DOM_SID sid;
- if ((!context) || (!context->pdb_methods)) {
- DEBUG(0, ("invalid pdb_context specified!\n"));
- return ret;
+ uid_to_sid(&sid, uids[i]);
+
+ if (!sid_check_is_in_our_domain(&sid)) {
+ DEBUG(5, ("Inconsistent SAM -- group member uid not "
+ "in our domain\n"));
+ continue;
+ }
+
+ sid_peek_rid(&sid, &(*pp_member_rids)[*p_num_members]);
+ *p_num_members += 1;
}
- return context->
- pdb_methods->delete_group_mapping_entry(context->pdb_methods, sid);
+ return NT_STATUS_OK;
}
-static NTSTATUS context_enum_group_mapping(struct pdb_context *context,
- enum SID_NAME_USE sid_name_use,
- GROUP_MAP **rmap, int *num_entries,
- BOOL unix_only)
+NTSTATUS pdb_default_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)
{
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
+ size_t i;
+ gid_t gid;
+ struct passwd *pw;
+ const char *username = pdb_get_username(user);
+
- if ((!context) || (!context->pdb_methods)) {
- DEBUG(0, ("invalid pdb_context specified!\n"));
- return ret;
+ /* Ignore the primary group SID. Honor the real Unix primary group.
+ The primary group SID is only of real use to Windows clients */
+
+ if ( !(pw = getpwnam_alloc(mem_ctx, username)) ) {
+ return NT_STATUS_NO_SUCH_USER;
}
+
+ gid = pw->pw_gid;
+
+ TALLOC_FREE( pw );
- return context->pdb_methods->enum_group_mapping(context->pdb_methods,
- sid_name_use, rmap,
- num_entries, unix_only);
-}
+ if (!getgroups_unix_user(mem_ctx, username, gid, pp_gids, p_num_groups)) {
+ return NT_STATUS_NO_SUCH_USER;
+ }
-/******************************************************************
- Free and cleanup a pdb context, any associated data and anything
- that the attached modules might have associated.
- *******************************************************************/
+ if (*p_num_groups == 0) {
+ smb_panic("primary group missing");
+ }
-static void free_pdb_context(struct pdb_context **context)
-{
- struct pdb_methods *pdb_selected = (*context)->pdb_methods;
+ *pp_sids = TALLOC_ARRAY(mem_ctx, DOM_SID, *p_num_groups);
+
+ if (*pp_sids == NULL) {
+ TALLOC_FREE(*pp_gids);
+ return NT_STATUS_NO_MEMORY;
+ }
- while (pdb_selected){
- if(pdb_selected->free_private_data)
- pdb_selected->free_private_data(&(pdb_selected->private_data));
- pdb_selected = pdb_selected->next;
+ for (i=0; i<*p_num_groups; i++) {
+ gid_to_sid(&(*pp_sids)[i], (*pp_gids)[i]);
}
- talloc_destroy((*context)->mem_ctx);
- *context = NULL;
+ return NT_STATUS_OK;
}
-/******************************************************************
- Make a pdb_methods from scratch
- *******************************************************************/
+/*******************************************************************
+ Look up a rid in the SAM we're responsible for (i.e. passdb)
+ ********************************************************************/
-static NTSTATUS make_pdb_methods_name(struct pdb_methods **methods, struct pdb_context *context, const char *selected)
+static BOOL lookup_global_sam_rid(TALLOC_CTX *mem_ctx, uint32 rid,
+ const char **name,
+ enum SID_NAME_USE *psid_name_use,
+ union unid_t *unix_id)
{
- char *module_name = smb_xstrdup(selected);
- char *module_location = NULL, *p;
- struct pdb_init_function_entry *entry;
- NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
+ struct samu *sam_account = NULL;
+ GROUP_MAP map;
+ BOOL ret;
+ DOM_SID sid;
- lazy_initialize_passdb();
+ *psid_name_use = SID_NAME_UNKNOWN;
+
+ DEBUG(5,("lookup_global_sam_rid: looking up RID %u.\n",
+ (unsigned int)rid));
- p = strchr(module_name, ':');
+ sid_copy(&sid, get_global_sam_sid());
+ sid_append_rid(&sid, rid);
+
+ /* see if the passdb can help us with the name of the user */
- if (p) {
- *p = 0;
- module_location = p+1;
- trim_string(module_location, " ", " ");
+ if ( !(sam_account = samu_new( NULL )) ) {
+ return False;
}
- trim_string(module_name, " ", " ");
+ /* BEING ROOT BLLOCK */
+ become_root();
+ if (pdb_getsampwsid(sam_account, &sid)) {
+ struct passwd *pw;
+ unbecome_root(); /* -----> EXIT BECOME_ROOT() */
+ *name = talloc_strdup(mem_ctx, pdb_get_username(sam_account));
+ if (!*name) {
+ TALLOC_FREE(sam_account);
+ return False;
+ }
- DEBUG(5,("Attempting to find an passdb backend to match %s (%s)\n", selected, module_name));
+ *psid_name_use = SID_NAME_USER;
- entry = pdb_find_backend_entry(module_name);
-
- /* Try to find a module that contains this module */
- if (!entry) {
- DEBUG(2,("No builtin backend found, trying to load plugin\n"));
- if(NT_STATUS_IS_OK(smb_probe_module("pdb", module_name)) && !(entry = pdb_find_backend_entry(module_name))) {
- DEBUG(0,("Plugin is available, but doesn't register passdb backend %s\n", module_name));
- SAFE_FREE(module_name);
- return NT_STATUS_UNSUCCESSFUL;
+ TALLOC_FREE(sam_account);
+
+ if (unix_id == NULL) {
+ return True;
}
+
+ pw = Get_Pwnam(*name);
+ if (pw == NULL) {
+ return False;
+ }
+ unix_id->uid = pw->pw_uid;
+ return True;
}
+ TALLOC_FREE(sam_account);
- /* No such backend found */
- if(!entry) {
- DEBUG(0,("No builtin nor plugin backend for %s found\n", module_name));
- SAFE_FREE(module_name);
- return NT_STATUS_INVALID_PARAMETER;
+ ret = pdb_getgrsid(&map, sid);
+ unbecome_root();
+ /* END BECOME_ROOT BLOCK */
+
+ /* do not resolve SIDs to a name unless there is a valid
+ gid associated with it */
+
+ if ( ret && (map.gid != (gid_t)-1) ) {
+ *name = talloc_strdup(mem_ctx, map.nt_name);
+ *psid_name_use = map.sid_name_use;
+
+ if ( unix_id ) {
+ unix_id->gid = map.gid;
+ }
+
+ return True;
}
+
+ /* Windows will always map RID 513 to something. On a non-domain
+ controller, this gets mapped to SERVER\None. */
- DEBUG(5,("Found pdb backend %s\n", module_name));
- nt_status = entry->init(context, methods, module_location);
- if (NT_STATUS_IS_OK(nt_status)) {
- DEBUG(5,("pdb backend %s has a valid init\n", selected));
- } else {
- DEBUG(0,("pdb backend %s did not correctly init (error was %s)\n", selected, nt_errstr(nt_status)));
+ if ( unix_id ) {
+ DEBUG(5, ("Can't find a unix id for an unmapped group\n"));
+ return False;
+ }
+
+ if ( rid == DOMAIN_GROUP_RID_USERS ) {
+ *name = talloc_strdup(mem_ctx, "None" );
+ *psid_name_use = SID_NAME_DOM_GRP;
+
+ return True;
}
- SAFE_FREE(module_name);
- return nt_status;
-}
-/******************************************************************
- Make a pdb_context from scratch.
- *******************************************************************/
+ return False;
+}
-static NTSTATUS make_pdb_context(struct pdb_context **context)
+NTSTATUS pdb_default_lookup_rids(struct pdb_methods *methods,
+ const DOM_SID *domain_sid,
+ int num_rids,
+ uint32 *rids,
+ const char **names,
+ enum SID_NAME_USE *attrs)
{
- TALLOC_CTX *mem_ctx;
+ int i;
+ NTSTATUS result;
+ BOOL have_mapped = False;
+ BOOL have_unmapped = False;
+
+ if (sid_check_is_builtin(domain_sid)) {
+
+ for (i=0; i<num_rids; i++) {
+ const char *name;
+
+ if (lookup_builtin_rid(names, rids[i], &name)) {
+ attrs[i] = SID_NAME_ALIAS;
+ names[i] = name;
+ DEBUG(5,("lookup_rids: %s:%d\n",
+ names[i], attrs[i]));
+ have_mapped = True;
+ } else {
+ have_unmapped = True;
+ attrs[i] = SID_NAME_UNKNOWN;
+ }
+ }
+ goto done;
+ }
- mem_ctx = talloc_init("pdb_context internal allocation context");
+ /* Should not happen, but better check once too many */
+ if (!sid_check_is_domain(domain_sid)) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
- if (!mem_ctx) {
- DEBUG(0, ("make_pdb_context: talloc init failed!\n"));
- return NT_STATUS_NO_MEMORY;
- }
+ for (i = 0; i < num_rids; i++) {
+ const char *name;
- *context = talloc(mem_ctx, sizeof(**context));
- if (!*context) {
- DEBUG(0, ("make_pdb_context: talloc failed!\n"));
- return NT_STATUS_NO_MEMORY;
+ if (lookup_global_sam_rid(names, rids[i], &name, &attrs[i],
+ NULL)) {
+ if (name == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ names[i] = name;
+ DEBUG(5,("lookup_rids: %s:%d\n", names[i], attrs[i]));
+ have_mapped = True;
+ } else {
+ have_unmapped = True;
+ attrs[i] = SID_NAME_UNKNOWN;
+ }
}
- ZERO_STRUCTP(*context);
+ done:
- (*context)->mem_ctx = mem_ctx;
+ result = NT_STATUS_NONE_MAPPED;
- (*context)->pdb_setsampwent = context_setsampwent;
- (*context)->pdb_endsampwent = context_endsampwent;
- (*context)->pdb_getsampwent = context_getsampwent;
- (*context)->pdb_getsampwnam = context_getsampwnam;
- (*context)->pdb_getsampwsid = context_getsampwsid;
- (*context)->pdb_add_sam_account = context_add_sam_account;
- (*context)->pdb_update_sam_account = context_update_sam_account;
- (*context)->pdb_delete_sam_account = context_delete_sam_account;
- (*context)->pdb_getgrsid = context_getgrsid;
- (*context)->pdb_getgrgid = context_getgrgid;
- (*context)->pdb_getgrnam = context_getgrnam;
- (*context)->pdb_add_group_mapping_entry = context_add_group_mapping_entry;
- (*context)->pdb_update_group_mapping_entry = context_update_group_mapping_entry;
- (*context)->pdb_delete_group_mapping_entry = context_delete_group_mapping_entry;
- (*context)->pdb_enum_group_mapping = context_enum_group_mapping;
+ if (have_mapped)
+ result = have_unmapped ? STATUS_SOME_UNMAPPED : NT_STATUS_OK;
- (*context)->free_fn = free_pdb_context;
-
- return NT_STATUS_OK;
+ return result;
}
-
-/******************************************************************
- Make a pdb_context, given an array of strings
- *******************************************************************/
-
-NTSTATUS make_pdb_context_list(struct pdb_context **context, const char **selected)
+NTSTATUS pdb_default_lookup_names(struct pdb_methods *methods,
+ const DOM_SID *domain_sid,
+ int num_names,
+ const char **names,
+ uint32 *rids,
+ enum SID_NAME_USE *attrs)
{
- int i = 0;
- struct pdb_methods *curmethods, *tmpmethods;
- NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
+ int i;
+ NTSTATUS result;
+ BOOL have_mapped = False;
+ BOOL have_unmapped = False;
+
+ if (sid_check_is_builtin(domain_sid)) {
+
+ for (i=0; i<num_names; i++) {
+ uint32 rid;
+
+ if (lookup_builtin_name(names[i], &rid)) {
+ attrs[i] = SID_NAME_ALIAS;
+ rids[i] = rid;
+ DEBUG(5,("lookup_rids: %s:%d\n",
+ names[i], attrs[i]));
+ have_mapped = True;
+ } else {
+ have_unmapped = True;
+ attrs[i] = SID_NAME_UNKNOWN;
+ }
+ }
+ goto done;
+ }
- if (!NT_STATUS_IS_OK(nt_status = make_pdb_context(context))) {
- return nt_status;
+ /* Should not happen, but better check once too many */
+ if (!sid_check_is_domain(domain_sid)) {
+ return NT_STATUS_INVALID_HANDLE;
}
- while (selected[i]){
- /* Try to initialise pdb */
- DEBUG(5,("Trying to load: %s\n", selected[i]));
- if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods_name(&curmethods, *context, selected[i]))) {
- DEBUG(1, ("Loading %s failed!\n", selected[i]));
- free_pdb_context(context);
- return nt_status;
+ for (i = 0; i < num_names; i++) {
+ if (lookup_global_sam_name(names[i], 0, &rids[i], &attrs[i])) {
+ DEBUG(5,("lookup_names: %s-> %d:%d\n", names[i],
+ rids[i], attrs[i]));
+ have_mapped = True;
+ } else {
+ have_unmapped = True;
+ attrs[i] = SID_NAME_UNKNOWN;
}
- curmethods->parent = *context;
- DLIST_ADD_END((*context)->pdb_methods, curmethods, tmpmethods);
- i++;
}
- return NT_STATUS_OK;
-}
+ done:
-/******************************************************************
- Make a pdb_context, given a text string.
- *******************************************************************/
+ result = NT_STATUS_NONE_MAPPED;
-NTSTATUS make_pdb_context_string(struct pdb_context **context, const char *selected)
-{
- NTSTATUS ret;
- char **newsel = str_list_make(selected, NULL);
- ret = make_pdb_context_list(context, (const char **)newsel);
- str_list_free(&newsel);
- return ret;
-}
+ if (have_mapped)
+ result = have_unmapped ? STATUS_SOME_UNMAPPED : NT_STATUS_OK;
-/******************************************************************
- Return an already initialised pdb_context, to facilitate backward
- compatibility (see functions below).
-*******************************************************************/
+ return result;
+}
-static struct pdb_context *pdb_get_static_context(BOOL reload)
+static struct pdb_search *pdb_search_init(enum pdb_search_type type)
{
- static struct pdb_context *pdb_context = NULL;
+ TALLOC_CTX *mem_ctx;
+ struct pdb_search *result;
- if ((pdb_context) && (reload)) {
- pdb_context->free_fn(&pdb_context);
- if (NT_STATUS_IS_ERR(make_pdb_context_list(&pdb_context, lp_passdb_backend()))) {
- return NULL;
- }
+ mem_ctx = talloc_init("pdb_search");
+ if (mem_ctx == NULL) {
+ DEBUG(0, ("talloc_init failed\n"));
+ return NULL;
}
- if (!pdb_context) {
- if (NT_STATUS_IS_ERR(make_pdb_context_list(&pdb_context, lp_passdb_backend()))) {
- return NULL;
- }
+ result = TALLOC_P(mem_ctx, struct pdb_search);
+ if (result == NULL) {
+ DEBUG(0, ("talloc failed\n"));
+ return NULL;
}
- return pdb_context;
+ result->mem_ctx = mem_ctx;
+ result->type = type;
+ result->cache = NULL;
+ result->num_entries = 0;
+ result->cache_size = 0;
+ result->search_ended = False;
+
+ /* Segfault appropriately if not initialized */
+ result->next_entry = NULL;
+ result->search_end = NULL;
+
+ return result;
}
-/******************************************************************
- Backward compatibility functions for the original passdb interface
-*******************************************************************/
+static void fill_displayentry(TALLOC_CTX *mem_ctx, uint32 rid,
+ uint16 acct_flags,
+ const char *account_name,
+ const char *fullname,
+ const char *description,
+ struct samr_displayentry *entry)
+{
+ entry->rid = rid;
+ entry->acct_flags = acct_flags;
+
+ if (account_name != NULL)
+ entry->account_name = talloc_strdup(mem_ctx, account_name);
+ else
+ entry->account_name = "";
+
+ if (fullname != NULL)
+ entry->fullname = talloc_strdup(mem_ctx, fullname);
+ else
+ entry->fullname = "";
+
+ if (description != NULL)
+ entry->description = talloc_strdup(mem_ctx, description);
+ else
+ entry->description = "";
+}
+
+static BOOL user_search_in_progress = False;
+struct user_search {
+ uint16 acct_flags;
+};
-BOOL pdb_setsampwent(BOOL update)
+static BOOL next_entry_users(struct pdb_search *s,
+ struct samr_displayentry *entry)
{
- struct pdb_context *pdb_context = pdb_get_static_context(False);
+ struct user_search *state = (struct user_search *)s->private_data;
+ struct samu *user = NULL;
- if (!pdb_context) {
+ next:
+ if ( !(user = samu_new( NULL )) ) {
+ DEBUG(0, ("next_entry_users: samu_new() failed!\n"));
return False;
}
- return NT_STATUS_IS_OK(pdb_context->pdb_setsampwent(pdb_context, update));
-}
-
-void pdb_endsampwent(void)
-{
- struct pdb_context *pdb_context = pdb_get_static_context(False);
+ if (!pdb_getsampwent(user)) {
+ TALLOC_FREE(user);
+ return False;
+ }
- if (!pdb_context) {
- return;
+ if ((state->acct_flags != 0) &&
+ ((pdb_get_acct_ctrl(user) & state->acct_flags) == 0)) {
+ TALLOC_FREE(user);
+ goto next;
}
- pdb_context->pdb_endsampwent(pdb_context);
+ fill_displayentry(s->mem_ctx, pdb_get_user_rid(user),
+ pdb_get_acct_ctrl(user), pdb_get_username(user),
+ pdb_get_fullname(user), pdb_get_acct_desc(user),
+ entry);
+
+ TALLOC_FREE(user);
+ return True;
}
-BOOL pdb_getsampwent(SAM_ACCOUNT *user)
+static void search_end_users(struct pdb_search *search)
{
- struct pdb_context *pdb_context = pdb_get_static_context(False);
-
- if (!pdb_context) {
- return False;
- }
-
- return NT_STATUS_IS_OK(pdb_context->pdb_getsampwent(pdb_context, user));
+ pdb_endsampwent();
+ user_search_in_progress = False;
}
-BOOL pdb_getsampwnam(SAM_ACCOUNT *sam_acct, const char *username)
+static BOOL pdb_default_search_users(struct pdb_methods *methods,
+ struct pdb_search *search,
+ uint32 acct_flags)
{
- struct pdb_context *pdb_context = pdb_get_static_context(False);
+ struct user_search *state;
- if (!pdb_context) {
+ if (user_search_in_progress) {
+ DEBUG(1, ("user search in progress\n"));
return False;
}
- return NT_STATUS_IS_OK(pdb_context->pdb_getsampwnam(pdb_context, sam_acct, username));
-}
-
-BOOL pdb_getsampwsid(SAM_ACCOUNT *sam_acct, const DOM_SID *sid)
-{
- struct pdb_context *pdb_context = pdb_get_static_context(False);
-
- if (!pdb_context) {
+ if (!pdb_setsampwent(False, acct_flags)) {
+ DEBUG(5, ("Could not start search\n"));
return False;
}
- return NT_STATUS_IS_OK(pdb_context->pdb_getsampwsid(pdb_context, sam_acct, sid));
-}
-
-BOOL pdb_add_sam_account(SAM_ACCOUNT *sam_acct)
-{
- struct pdb_context *pdb_context = pdb_get_static_context(False);
+ user_search_in_progress = True;
- if (!pdb_context) {
+ state = TALLOC_P(search->mem_ctx, struct user_search);
+ if (state == NULL) {
+ DEBUG(0, ("talloc failed\n"));
return False;
}
- return NT_STATUS_IS_OK(pdb_context->pdb_add_sam_account(pdb_context, sam_acct));
+ state->acct_flags = acct_flags;
+
+ search->private_data = state;
+ search->next_entry = next_entry_users;
+ search->search_end = search_end_users;
+ return True;
}
-BOOL pdb_update_sam_account(SAM_ACCOUNT *sam_acct)
+struct group_search {
+ GROUP_MAP *groups;
+ size_t num_groups, current_group;
+};
+
+static BOOL next_entry_groups(struct pdb_search *s,
+ struct samr_displayentry *entry)
{
- struct pdb_context *pdb_context = pdb_get_static_context(False);
+ struct group_search *state = (struct group_search *)s->private_data;
+ uint32 rid;
+ GROUP_MAP *map = &state->groups[state->current_group];
- if (!pdb_context) {
+ if (state->current_group == state->num_groups)
return False;
- }
- return NT_STATUS_IS_OK(pdb_context->pdb_update_sam_account(pdb_context, sam_acct));
-}
+ sid_peek_rid(&map->sid, &rid);
-BOOL pdb_delete_sam_account(SAM_ACCOUNT *sam_acct)
-{
- struct pdb_context *pdb_context = pdb_get_static_context(False);
+ fill_displayentry(s->mem_ctx, rid, 0, map->nt_name, NULL, map->comment,
+ entry);
- if (!pdb_context) {
- return False;
- }
+ state->current_group += 1;
+ return True;
+}
- return NT_STATUS_IS_OK(pdb_context->pdb_delete_sam_account(pdb_context, sam_acct));
+static void search_end_groups(struct pdb_search *search)
+{
+ struct group_search *state =
+ (struct group_search *)search->private_data;
+ SAFE_FREE(state->groups);
}
-BOOL pdb_getgrsid(GROUP_MAP *map, DOM_SID sid)
+static BOOL pdb_search_grouptype(struct pdb_search *search,
+ const DOM_SID *sid, enum SID_NAME_USE type)
{
- struct pdb_context *pdb_context = pdb_get_static_context(False);
+ struct group_search *state;
- if (!pdb_context) {
+ state = TALLOC_P(search->mem_ctx, struct group_search);
+ if (state == NULL) {
+ DEBUG(0, ("talloc failed\n"));
return False;
}
- return NT_STATUS_IS_OK(pdb_context->
- pdb_getgrsid(pdb_context, map, sid));
-}
-
-BOOL pdb_getgrgid(GROUP_MAP *map, gid_t gid)
-{
- struct pdb_context *pdb_context = pdb_get_static_context(False);
-
- if (!pdb_context) {
+ if (!pdb_enum_group_mapping(sid, type, &state->groups, &state->num_groups,
+ True)) {
+ DEBUG(0, ("Could not enum groups\n"));
return False;
}
- return NT_STATUS_IS_OK(pdb_context->
- pdb_getgrgid(pdb_context, map, gid));
+ state->current_group = 0;
+ search->private_data = state;
+ search->next_entry = next_entry_groups;
+ search->search_end = search_end_groups;
+ return True;
}
-BOOL pdb_getgrnam(GROUP_MAP *map, char *name)
+static BOOL pdb_default_search_groups(struct pdb_methods *methods,
+ struct pdb_search *search)
{
- struct pdb_context *pdb_context = pdb_get_static_context(False);
+ return pdb_search_grouptype(search, get_global_sam_sid(), SID_NAME_DOM_GRP);
+}
- if (!pdb_context) {
- return False;
- }
+static BOOL pdb_default_search_aliases(struct pdb_methods *methods,
+ struct pdb_search *search,
+ const DOM_SID *sid)
+{
- return NT_STATUS_IS_OK(pdb_context->
- pdb_getgrnam(pdb_context, map, name));
+ return pdb_search_grouptype(search, sid, SID_NAME_ALIAS);
}
-BOOL pdb_add_group_mapping_entry(GROUP_MAP *map)
+static struct samr_displayentry *pdb_search_getentry(struct pdb_search *search,
+ uint32 idx)
{
- struct pdb_context *pdb_context = pdb_get_static_context(False);
+ if (idx < search->num_entries)
+ return &search->cache[idx];
- if (!pdb_context) {
- return False;
- }
+ if (search->search_ended)
+ return NULL;
- return NT_STATUS_IS_OK(pdb_context->
- pdb_add_group_mapping_entry(pdb_context, map));
-}
+ while (idx >= search->num_entries) {
+ struct samr_displayentry entry;
-BOOL pdb_update_group_mapping_entry(GROUP_MAP *map)
-{
- struct pdb_context *pdb_context = pdb_get_static_context(False);
+ if (!search->next_entry(search, &entry)) {
+ search->search_end(search);
+ search->search_ended = True;
+ break;
+ }
- if (!pdb_context) {
- return False;
+ ADD_TO_LARGE_ARRAY(search->mem_ctx, struct samr_displayentry,
+ entry, &search->cache, &search->num_entries,
+ &search->cache_size);
}
- return NT_STATUS_IS_OK(pdb_context->
- pdb_update_group_mapping_entry(pdb_context, map));
+ return (search->num_entries > idx) ? &search->cache[idx] : NULL;
}
-BOOL pdb_delete_group_mapping_entry(DOM_SID sid)
+struct pdb_search *pdb_search_users(uint32 acct_flags)
{
- struct pdb_context *pdb_context = pdb_get_static_context(False);
+ struct pdb_methods *pdb = pdb_get_methods();
+ struct pdb_search *result;
- if (!pdb_context) {
- return False;
+ result = pdb_search_init(PDB_USER_SEARCH);
+ if (result == NULL) {
+ return NULL;
}
- return NT_STATUS_IS_OK(pdb_context->
- pdb_delete_group_mapping_entry(pdb_context, sid));
+ if (!pdb->search_users(pdb, result, acct_flags)) {
+ talloc_destroy(result->mem_ctx);
+ return NULL;
+ }
+ return result;
}
-BOOL pdb_enum_group_mapping(enum SID_NAME_USE sid_name_use, GROUP_MAP **rmap,
- int *num_entries, BOOL unix_only)
+struct pdb_search *pdb_search_groups(void)
{
- struct pdb_context *pdb_context = pdb_get_static_context(False);
+ struct pdb_methods *pdb = pdb_get_methods();
+ struct pdb_search *result;
- if (!pdb_context) {
- return False;
+ result = pdb_search_init(PDB_GROUP_SEARCH);
+ if (result == NULL) {
+ return NULL;
}
- return NT_STATUS_IS_OK(pdb_context->
- pdb_enum_group_mapping(pdb_context, sid_name_use,
- rmap, num_entries, unix_only));
+ if (!pdb->search_groups(pdb, result)) {
+ talloc_destroy(result->mem_ctx);
+ return NULL;
+ }
+ return result;
}
-/***************************************************************
- Initialize the static context (at smbd startup etc).
+struct pdb_search *pdb_search_aliases(const DOM_SID *sid)
+{
+ struct pdb_methods *pdb = pdb_get_methods();
+ struct pdb_search *result;
- If uninitialised, context will auto-init on first use.
- ***************************************************************/
+ if (pdb == NULL) return NULL;
-BOOL initialize_password_db(BOOL reload)
-{
- return (pdb_get_static_context(reload) != NULL);
+ result = pdb_search_init(PDB_ALIAS_SEARCH);
+ if (result == NULL) return NULL;
+
+ if (!pdb->search_aliases(pdb, result, sid)) {
+ talloc_destroy(result->mem_ctx);
+ return NULL;
+ }
+ return result;
}
+uint32 pdb_search_entries(struct pdb_search *search,
+ uint32 start_idx, uint32 max_entries,
+ struct samr_displayentry **result)
+{
+ struct samr_displayentry *end_entry;
+ uint32 end_idx = start_idx+max_entries-1;
-/***************************************************************************
- Default implementations of some functions.
- ****************************************************************************/
+ /* The first entry needs to be searched after the last. Otherwise the
+ * first entry might have moved due to a realloc during the search for
+ * the last entry. */
-static NTSTATUS pdb_default_getsampwnam (struct pdb_methods *methods, SAM_ACCOUNT *user, const char *sname)
-{
- return NT_STATUS_NO_SUCH_USER;
-}
+ end_entry = pdb_search_getentry(search, end_idx);
+ *result = pdb_search_getentry(search, start_idx);
-static NTSTATUS pdb_default_getsampwsid(struct pdb_methods *my_methods, SAM_ACCOUNT * user, const DOM_SID *sid)
-{
- return NT_STATUS_NO_SUCH_USER;
-}
+ if (end_entry != NULL)
+ return max_entries;
-static NTSTATUS pdb_default_add_sam_account (struct pdb_methods *methods, SAM_ACCOUNT *newpwd)
-{
- DEBUG(0,("this backend (%s) should not be listed as the first passdb backend! You can't add users to it.\n", methods->name));
- return NT_STATUS_NOT_IMPLEMENTED;
-}
+ if (start_idx >= search->num_entries)
+ return 0;
-static NTSTATUS pdb_default_update_sam_account (struct pdb_methods *methods, SAM_ACCOUNT *newpwd)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
+ return search->num_entries - start_idx;
}
-static NTSTATUS pdb_default_delete_sam_account (struct pdb_methods *methods, SAM_ACCOUNT *pwd)
+void pdb_search_destroy(struct pdb_search *search)
{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
+ if (search == NULL)
+ return;
-static NTSTATUS pdb_default_setsampwent(struct pdb_methods *methods, BOOL update)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
+ if (!search->search_ended)
+ search->search_end(search);
-static NTSTATUS pdb_default_getsampwent(struct pdb_methods *methods, SAM_ACCOUNT *user)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
+ talloc_destroy(search->mem_ctx);
}
-static void pdb_default_endsampwent(struct pdb_methods *methods)
-{
- return; /* NT_STATUS_NOT_IMPLEMENTED; */
-}
+/*******************************************************************
+ Create a pdb_methods structure and initialize it with the default
+ operations. In this way a passdb module can simply implement
+ the functionality it cares about. However, normally this is done
+ in groups of related functions.
+*******************************************************************/
-NTSTATUS make_pdb_methods(TALLOC_CTX *mem_ctx, PDB_METHODS **methods)
+NTSTATUS make_pdb_method( struct pdb_methods **methods )
{
- *methods = talloc(mem_ctx, sizeof(struct pdb_methods));
+ /* allocate memory for the structure as its own talloc CTX */
- if (!*methods) {
+ if ( !(*methods = TALLOC_ZERO_P(NULL, struct pdb_methods) ) ) {
return NT_STATUS_NO_MEMORY;
}
- ZERO_STRUCTP(*methods);
-
(*methods)->setsampwent = pdb_default_setsampwent;
(*methods)->endsampwent = pdb_default_endsampwent;
(*methods)->getsampwent = pdb_default_getsampwent;
(*methods)->getsampwnam = pdb_default_getsampwnam;
(*methods)->getsampwsid = pdb_default_getsampwsid;
+ (*methods)->create_user = pdb_default_create_user;
+ (*methods)->delete_user = pdb_default_delete_user;
(*methods)->add_sam_account = pdb_default_add_sam_account;
(*methods)->update_sam_account = pdb_default_update_sam_account;
(*methods)->delete_sam_account = pdb_default_delete_sam_account;
+ (*methods)->rename_sam_account = pdb_default_rename_sam_account;
+ (*methods)->update_login_attempts = pdb_default_update_login_attempts;
(*methods)->getgrsid = pdb_default_getgrsid;
(*methods)->getgrgid = pdb_default_getgrgid;
(*methods)->getgrnam = pdb_default_getgrnam;
+ (*methods)->create_dom_group = pdb_default_create_dom_group;
+ (*methods)->delete_dom_group = pdb_default_delete_dom_group;
(*methods)->add_group_mapping_entry = pdb_default_add_group_mapping_entry;
(*methods)->update_group_mapping_entry = pdb_default_update_group_mapping_entry;
(*methods)->delete_group_mapping_entry = pdb_default_delete_group_mapping_entry;
(*methods)->enum_group_mapping = pdb_default_enum_group_mapping;
+ (*methods)->enum_group_members = pdb_default_enum_group_members;
+ (*methods)->enum_group_memberships = pdb_default_enum_group_memberships;
+ (*methods)->set_unix_primary_group = pdb_default_set_unix_primary_group;
+ (*methods)->add_groupmem = pdb_default_add_groupmem;
+ (*methods)->del_groupmem = pdb_default_del_groupmem;
+ (*methods)->find_alias = pdb_default_find_alias;
+ (*methods)->create_alias = pdb_default_create_alias;
+ (*methods)->delete_alias = pdb_default_delete_alias;
+ (*methods)->get_aliasinfo = pdb_default_get_aliasinfo;
+ (*methods)->set_aliasinfo = pdb_default_set_aliasinfo;
+ (*methods)->add_aliasmem = pdb_default_add_aliasmem;
+ (*methods)->del_aliasmem = pdb_default_del_aliasmem;
+ (*methods)->enum_aliasmem = pdb_default_enum_aliasmem;
+ (*methods)->enum_alias_memberships = pdb_default_alias_memberships;
+ (*methods)->lookup_rids = pdb_default_lookup_rids;
+ (*methods)->get_account_policy = pdb_default_get_account_policy;
+ (*methods)->set_account_policy = pdb_default_set_account_policy;
+ (*methods)->get_seq_num = pdb_default_get_seq_num;
+ (*methods)->uid_to_rid = pdb_default_uid_to_rid;
+ (*methods)->gid_to_sid = pdb_default_gid_to_sid;
+ (*methods)->sid_to_id = pdb_default_sid_to_id;
+
+ (*methods)->search_users = pdb_default_search_users;
+ (*methods)->search_groups = pdb_default_search_groups;
+ (*methods)->search_aliases = pdb_default_search_aliases;
return NT_STATUS_OK;
}
git.samba.org / vlendec / samba-autobuild / .git / blobdiff