pdb_interface.c

samba-3.0.22.tar.gz 编译smb服务器的源码

	if (!pdb_context) {
		return;
	}

	pdb_context->pdb_endsampwent(pdb_context);
}

BOOL pdb_getsampwent(SAM_ACCOUNT *user) 
{
	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));
}

static SAM_ACCOUNT *sam_account_cache = NULL;

BOOL pdb_getsampwnam(SAM_ACCOUNT *sam_acct, const char *username) 
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	if (!NT_STATUS_IS_OK(pdb_context->pdb_getsampwnam(pdb_context,
							  sam_acct, username)))
		return False;

	if (sam_account_cache != NULL) {
		pdb_free_sam(&sam_account_cache);
		sam_account_cache = NULL;
	}

	pdb_copy_sam_account(sam_acct, &sam_account_cache);
	return True;
}

BOOL pdb_getsampwsid(SAM_ACCOUNT *sam_acct, const DOM_SID *sid) 
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	if ((sam_account_cache != NULL) &&
	    (sid_equal(sid, pdb_get_user_sid(sam_account_cache))))
		return pdb_copy_sam_account(sam_account_cache, &sam_acct);

	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);

	if (!pdb_context) {
		return False;
	}
	
	return NT_STATUS_IS_OK(pdb_context->pdb_add_sam_account(pdb_context, sam_acct));
}

BOOL pdb_update_sam_account(SAM_ACCOUNT *sam_acct) 
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	if (sam_account_cache != NULL) {
		pdb_free_sam(&sam_account_cache);
		sam_account_cache = NULL;
	}

	return NT_STATUS_IS_OK(pdb_context->pdb_update_sam_account(pdb_context, sam_acct));
}

BOOL pdb_delete_sam_account(SAM_ACCOUNT *sam_acct) 
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	if (sam_account_cache != NULL) {
		pdb_free_sam(&sam_account_cache);
		sam_account_cache = NULL;
	}

	return NT_STATUS_IS_OK(pdb_context->pdb_delete_sam_account(pdb_context, sam_acct));
}

NTSTATUS pdb_rename_sam_account(SAM_ACCOUNT *oldname, const char *newname)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return NT_STATUS_NOT_IMPLEMENTED;
	}

	if (sam_account_cache != NULL) {
		pdb_free_sam(&sam_account_cache);
		sam_account_cache = NULL;
	}

	return pdb_context->pdb_rename_sam_account(pdb_context, oldname, newname);
}

NTSTATUS pdb_update_login_attempts(SAM_ACCOUNT *sam_acct, BOOL success)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return NT_STATUS_NOT_IMPLEMENTED;
	}

	return pdb_context->pdb_update_login_attempts(pdb_context, sam_acct, success);
}

BOOL pdb_getgrsid(GROUP_MAP *map, DOM_SID sid)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		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) {
		return False;
	}

	return NT_STATUS_IS_OK(pdb_context->
			       pdb_getgrgid(pdb_context, map, gid));
}

BOOL pdb_getgrnam(GROUP_MAP *map, const char *name)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	return NT_STATUS_IS_OK(pdb_context->
			       pdb_getgrnam(pdb_context, map, name));
}

BOOL pdb_add_group_mapping_entry(GROUP_MAP *map)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	return NT_STATUS_IS_OK(pdb_context->
			       pdb_add_group_mapping_entry(pdb_context, map));
}

BOOL pdb_update_group_mapping_entry(GROUP_MAP *map)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	return NT_STATUS_IS_OK(pdb_context->
			       pdb_update_group_mapping_entry(pdb_context, map));
}

BOOL pdb_delete_group_mapping_entry(DOM_SID sid)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	return NT_STATUS_IS_OK(pdb_context->
			       pdb_delete_group_mapping_entry(pdb_context, sid));
}

BOOL pdb_enum_group_mapping(enum SID_NAME_USE sid_name_use, GROUP_MAP **pp_rmap,
			    size_t *p_num_entries, BOOL unix_only)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	return NT_STATUS_IS_OK(pdb_context->
			       pdb_enum_group_mapping(pdb_context, 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_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return NT_STATUS_UNSUCCESSFUL;
	}

	return pdb_context->pdb_enum_group_members(pdb_context, mem_ctx, sid, 
						   pp_member_rids, p_num_members);
}

NTSTATUS pdb_enum_group_memberships(const char *username, gid_t primary_gid,
				    DOM_SID **pp_sids, gid_t **pp_gids,
				    size_t *p_num_groups)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return NT_STATUS_UNSUCCESSFUL;
	}

	return pdb_context->pdb_enum_group_memberships(pdb_context, username,
						       primary_gid, pp_sids, pp_gids,
						       p_num_groups);
}

BOOL pdb_find_alias(const char *name, DOM_SID *sid)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	return NT_STATUS_IS_OK(pdb_context->pdb_find_alias(pdb_context,
							     name, sid));
}

NTSTATUS pdb_create_alias(const char *name, uint32 *rid)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return NT_STATUS_NOT_IMPLEMENTED;
	}

	return pdb_context->pdb_create_alias(pdb_context, name, rid);
}

BOOL pdb_delete_alias(const DOM_SID *sid)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	return NT_STATUS_IS_OK(pdb_context->pdb_delete_alias(pdb_context,
							     sid));
							    
}

BOOL pdb_get_aliasinfo(const DOM_SID *sid, struct acct_info *info)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	return NT_STATUS_IS_OK(pdb_context->pdb_get_aliasinfo(pdb_context, sid,
							      info));
}

BOOL pdb_set_aliasinfo(const DOM_SID *sid, struct acct_info *info)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	return NT_STATUS_IS_OK(pdb_context->pdb_set_aliasinfo(pdb_context, sid,
							      info));
}

BOOL pdb_add_aliasmem(const DOM_SID *alias, const DOM_SID *member)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	return NT_STATUS_IS_OK(pdb_context->
			       pdb_add_aliasmem(pdb_context, alias, member));
}

BOOL pdb_del_aliasmem(const DOM_SID *alias, const DOM_SID *member)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	return NT_STATUS_IS_OK(pdb_context->
			       pdb_del_aliasmem(pdb_context, alias, member));
}

BOOL pdb_enum_aliasmem(const DOM_SID *alias,
		       DOM_SID **pp_members, size_t *p_num_members)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	return NT_STATUS_IS_OK(pdb_context->
			       pdb_enum_aliasmem(pdb_context, alias,
						 pp_members, p_num_members));
}

BOOL 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_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	return NT_STATUS_IS_OK(pdb_context->
			       pdb_enum_alias_memberships(pdb_context, 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,
			 uint32 *attrs)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return NT_STATUS_NOT_IMPLEMENTED;
	}

	return pdb_context->pdb_lookup_rids(pdb_context, domain_sid,
					    num_rids, rids, names, attrs);
}

BOOL pdb_get_account_policy(int policy_index, uint32 *value)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	return NT_STATUS_IS_OK(pdb_context->
			       pdb_get_account_policy(pdb_context, policy_index, value));
}

BOOL pdb_set_account_policy(int policy_index, uint32 value)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	return NT_STATUS_IS_OK(pdb_context->
			       pdb_set_account_policy(pdb_context, policy_index, value));
}

BOOL pdb_get_seq_num(time_t *seq_num)
{
	struct pdb_context *pdb_context = pdb_get_static_context(False);

	if (!pdb_context) {
		return False;
	}

	return NT_STATUS_IS_OK(pdb_context->
			       pdb_get_seq_num(pdb_context, seq_num));
}
/***************************************************************
  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_static_context(reload) != NULL);
}


/***************************************************************************
  Default implementations of some functions.
 ****************************************************************************/

static NTSTATUS pdb_default_getsampwnam (struct pdb_methods *methods, SAM_ACCOUNT *user, const char *sname)
{
	return NT_STATUS_NO_SUCH_USER;
}

static NTSTATUS pdb_default_getsampwsid(struct pdb_methods *my_methods, SAM_ACCOUNT * user, const DOM_SID *sid)
{
	return NT_STATUS_NO_SUCH_USER;
}

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;
}

static NTSTATUS pdb_default_update_sam_account (struct pdb_methods *methods, SAM_ACCOUNT *newpwd)
{
	return NT_STATUS_NOT_IMPLEMENTED;
}

static NTSTATUS pdb_default_delete_sam_account (struct pdb_methods *methods, SAM_ACCOUNT *pwd)
{
	return NT_STATUS_NOT_IMPLEMENTED;
}

static NTSTATUS pdb_default_rename_sam_account (struct pdb_methods *methods, SAM_ACCOUNT *pwd, const char *newname)
{
	return NT_STATUS_NOT_IMPLEMENTED;
}

static NTSTATUS pdb_default_update_login_attempts (struct pdb_methods *methods, SAM_ACCOUNT *newpwd, BOOL success)
{
	return NT_STATUS_OK;
}

static NTSTATUS pdb_default_setsampwent(struct pdb_methods *methods, BOOL update, uint16 acb_mask)
{
	return NT_STATUS_NOT_IMPLEMENTED;
}

static NTSTATUS pdb_default_getsampwent(struct pdb_methods *methods, SAM_ACCOUNT *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)
{
	*seq_num = time(NULL);
	return NT_STATUS_OK;
}

static void add_uid_to_array_unique(TALLOC_CTX *mem_ctx,
				    uid_t uid, uid_t **pp_uids, size_t *p_num)
{
	size_t i;

	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 (*pp_uids == NULL)
		return;

	(*pp_uids)[*p_num] = uid;
	*p_num += 1;
}

static BOOL get_memberuids(TALLOC_CTX *mem_ctx, gid_t gid, uid_t **pp_uids, size_t *p_num)
{
	struct group *grp;
	char **gr;
	struct sys_pwent *userlist, *user;
 
	*pp_uids = NULL;
	*p_num = 0;