140 lines
5.3 KiB
C
140 lines
5.3 KiB
C
/****************************************************************************
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* apps/include/fsutils/passwd.h
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*
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* Copyright (C) 2016, 2019 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __APPS_INCLUDE_FSUTILS_PASSWD_H
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#define __APPS_INCLUDE_FSUTILS_PASSWD_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/compiler.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* passwd_verify() return value tests */
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#define PASSWORD_VERIFY_MATCH(ret) (ret == 1)
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#define PASSWORD_VERIFY_NOMATCH(ret) (ret == 0)
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#define PASSWORD_VERIFY_ERROR(ret) (ret < 0)
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: passwd_adduser
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*
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* Description:
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* Add a new user to the /etc/passwd file. If the user already exists,
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* then this function will fail with -EEXIST.
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*
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* Input Parameters:
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* username - Identifies the user to be added
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* password - The password for the new user
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*
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* Returned Value:
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* Zero (OK) is returned on success; a negated errno value is returned on
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* failure.
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*
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****************************************************************************/
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#if defined(CONFIG_FS_WRITABLE) && defined(CONFIG_FSUTILS_PASSWD_READONLY)
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int passwd_adduser(FAR const char *username, FAR const char *password);
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/****************************************************************************
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* Name: passwd_deluser
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*
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* Description:
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* Remove an existing user from the /etc/passwd file. If the user does
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* not exist, then this function will fail.
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*
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* Input Parameters:
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* username - Identifies the user to be deleted
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*
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* Returned Value:
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* Zero (OK) is returned on success; a negated errno value is returned on
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* failure.
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*
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****************************************************************************/
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int passwd_deluser(FAR const char *username);
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/****************************************************************************
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* Name: passwd_update
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*
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* Description:
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* Change a user in the /etc/passwd file. If the user does not exist,
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* then this function will fail.
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*
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* Input Parameters:
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* username - Identifies the user whose password will be updated
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* password - The new password for the existing user
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*
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* Returned Value:
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* Zero (OK) is returned on success; a negated errno value is returned on
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* failure.
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*
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****************************************************************************/
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int passwd_update(FAR const char *username, FAR const char *password);
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#endif /* CONFIG_FS_WRITABLE && CONFIG_FSUTILS_PASSWD_READONLY */
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/****************************************************************************
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* Name: passwd_verify
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*
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* Description:
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* Return true if the username exists in the /etc/passwd file and if the
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* password matches the user password in that failed.
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*
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* Input Parameters:
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* username - Identifies the user whose password will be verified
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* password - The password to be verified
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*
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* Returned Value:
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* One (1) is returned on success match, Zero (OK) is returned on an
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* unsuccessful match; a negated errno value is returned on any other
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* failure.
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*
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****************************************************************************/
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int passwd_verify(FAR const char *username, FAR const char *password);
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#endif /* __APPS_INCLUDE_FSUTILS_PASSWD_H */
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