nuttx-apps/include/fsutils/passwd.h

125 lines
4.4 KiB
C

/****************************************************************************
* apps/include/fsutils/passwd.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __APPS_INCLUDE_FSUTILS_PASSWD_H
#define __APPS_INCLUDE_FSUTILS_PASSWD_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* passwd_verify() return value tests */
#define PASSWORD_VERIFY_MATCH(ret) (ret == 1)
#define PASSWORD_VERIFY_NOMATCH(ret) (ret == 0)
#define PASSWORD_VERIFY_ERROR(ret) (ret < 0)
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: passwd_adduser
*
* Description:
* Add a new user to the /etc/passwd file. If the user already exists,
* then this function will fail with -EEXIST.
*
* Input Parameters:
* username - Identifies the user to be added
* password - The password for the new user
*
* Returned Value:
* Zero (OK) is returned on success; a negated errno value is returned on
* failure.
*
****************************************************************************/
#if defined(CONFIG_FSUTILS_PASSWD_READONLY)
int passwd_adduser(FAR const char *username, FAR const char *password);
/****************************************************************************
* Name: passwd_deluser
*
* Description:
* Remove an existing user from the /etc/passwd file. If the user does
* not exist, then this function will fail.
*
* Input Parameters:
* username - Identifies the user to be deleted
*
* Returned Value:
* Zero (OK) is returned on success; a negated errno value is returned on
* failure.
*
****************************************************************************/
int passwd_deluser(FAR const char *username);
/****************************************************************************
* Name: passwd_update
*
* Description:
* Change a user in the /etc/passwd file. If the user does not exist,
* then this function will fail.
*
* Input Parameters:
* username - Identifies the user whose password will be updated
* password - The new password for the existing user
*
* Returned Value:
* Zero (OK) is returned on success; a negated errno value is returned on
* failure.
*
****************************************************************************/
int passwd_update(FAR const char *username, FAR const char *password);
#endif /* CONFIG_FSUTILS_PASSWD_READONLY */
/****************************************************************************
* Name: passwd_verify
*
* Description:
* Return true if the username exists in the /etc/passwd file and if the
* password matches the user password in that failed.
*
* Input Parameters:
* username - Identifies the user whose password will be verified
* password - The password to be verified
*
* Returned Value:
* One (1) is returned on success match, Zero (OK) is returned on an
* unsuccessful match; a negated errno value is returned on any other
* failure.
*
****************************************************************************/
int passwd_verify(FAR const char *username, FAR const char *password);
#endif /* __APPS_INCLUDE_FSUTILS_PASSWD_H */