glibc/nss/nss_files/files-pwd.c

/* User file parser in nss_files module.
   Copyright (C) 1996-2021 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#include <pwd.h>
#include <nss.h>

NSS_DECLARE_MODULE_FUNCTIONS (files)

#define STRUCTURE	passwd
#define ENTNAME		pwent
#define DATABASE	"passwd"
struct pwent_data {};

/* Our parser function is already defined in fgetpwent_r.c, so use that
   to parse lines from the database file.  */
#define EXTERN_PARSER
#include "files-parse.c"
#include GENERIC

DB_LOOKUP (pwnam, '.', 0, ("%s", name),
	   {
	     if (name[0] != '+' && name[0] != '-'
		 && ! strcmp (name, result->pw_name))
	       break;
	   }, const char *name)

DB_LOOKUP (pwuid, '=', 20, ("%lu", (unsigned long int) uid),
	   {
	     if (result->pw_uid == uid && result->pw_name[0] != '+'
		 && result->pw_name[0] != '-')
	       break;
	   }, uid_t uid)