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/*
* SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
* SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
* SPDX-FileCopyrightText: 2001 , Michał Moskal
* SPDX-FileCopyrightText: 2003 - 2005, Tomasz Kłoczko
* SPDX-FileCopyrightText: 2007 - 2013, Nicolas François
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <config.h>
#ident "$Id$"
#include <stdio.h>
#include "defines.h"
#include "prototypes.h"
#include "pwio.h"
/*@null@*/ /*@only@*/struct passwd *__pw_dup (const struct passwd *pwent)
{
struct passwd *pw;
pw = (struct passwd *) malloc (sizeof *pw);
if (NULL == pw) {
return NULL;
}
/* The libc might define other fields. They won't be copied. */
memset (pw, 0, sizeof *pw);
pw->pw_uid = pwent->pw_uid;
pw->pw_gid = pwent->pw_gid;
/*@-mustfreeonly@*/
pw->pw_name = strdup (pwent->pw_name);
/*@=mustfreeonly@*/
if (NULL == pw->pw_name) {
pw_free(pw);
return NULL;
}
/*@-mustfreeonly@*/
pw->pw_passwd = strdup (pwent->pw_passwd);
/*@=mustfreeonly@*/
if (NULL == pw->pw_passwd) {
pw_free(pw);
return NULL;
}
/*@-mustfreeonly@*/
pw->pw_gecos = strdup (pwent->pw_gecos);
/*@=mustfreeonly@*/
if (NULL == pw->pw_gecos) {
pw_free(pw);
return NULL;
}
/*@-mustfreeonly@*/
pw->pw_dir = strdup (pwent->pw_dir);
/*@=mustfreeonly@*/
if (NULL == pw->pw_dir) {
pw_free(pw);
return NULL;
}
/*@-mustfreeonly@*/
pw->pw_shell = strdup (pwent->pw_shell);
/*@=mustfreeonly@*/
if (NULL == pw->pw_shell) {
pw_free(pw);
return NULL;
}
return pw;
}
void pw_free (/*@out@*/ /*@only@*/struct passwd *pwent)
{
if (pwent != NULL) {
free (pwent->pw_name);
if (pwent->pw_passwd) {
strzero (pwent->pw_passwd);
free (pwent->pw_passwd);
}
free (pwent->pw_gecos);
free (pwent->pw_dir);
free (pwent->pw_shell);
free (pwent);
}
}
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