64fe2f7db6
* lib/groupmem.c: Add splint annotations. The added memset makes splint think data was allocated. * lib/pwmem.c: Likewise. * lib/sgroupio.c: Likewise. * lib/shadowmem.c: Likewise.
117 lines
3.4 KiB
C
117 lines
3.4 KiB
C
/*
|
|
* Copyright (c) 1990 - 1994, Julianne Frances Haugh
|
|
* Copyright (c) 1996 - 2000, Marek Michałkiewicz
|
|
* Copyright (c) 2001 , Michał Moskal
|
|
* Copyright (c) 2003 - 2005, Tomasz Kłoczko
|
|
* Copyright (c) 2007 - 2013, Nicolas François
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the copyright holders or contributors may not be used to
|
|
* endorse or promote products derived from this software without
|
|
* specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
|
|
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#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) {
|
|
free(pw);
|
|
return NULL;
|
|
}
|
|
/*@-mustfreeonly@*/
|
|
pw->pw_passwd = strdup (pwent->pw_passwd);
|
|
/*@=mustfreeonly@*/
|
|
if (NULL == pw->pw_passwd) {
|
|
free(pw->pw_name);
|
|
free(pw);
|
|
return NULL;
|
|
}
|
|
/*@-mustfreeonly@*/
|
|
pw->pw_gecos = strdup (pwent->pw_gecos);
|
|
/*@=mustfreeonly@*/
|
|
if (NULL == pw->pw_gecos) {
|
|
free(pw->pw_passwd);
|
|
free(pw->pw_name);
|
|
free(pw);
|
|
return NULL;
|
|
}
|
|
/*@-mustfreeonly@*/
|
|
pw->pw_dir = strdup (pwent->pw_dir);
|
|
/*@=mustfreeonly@*/
|
|
if (NULL == pw->pw_dir) {
|
|
free(pw->pw_gecos);
|
|
free(pw->pw_passwd);
|
|
free(pw->pw_name);
|
|
free(pw);
|
|
return NULL;
|
|
}
|
|
/*@-mustfreeonly@*/
|
|
pw->pw_shell = strdup (pwent->pw_shell);
|
|
/*@=mustfreeonly@*/
|
|
if (NULL == pw->pw_shell) {
|
|
free(pw->pw_dir);
|
|
free(pw->pw_gecos);
|
|
free(pw->pw_passwd);
|
|
free(pw->pw_name);
|
|
free(pw);
|
|
return NULL;
|
|
}
|
|
|
|
return pw;
|
|
}
|
|
|
|
void pw_free (/*@out@*/ /*@only@*/struct passwd *pwent)
|
|
{
|
|
free (pwent->pw_name);
|
|
if (pwent->pw_passwd) {
|
|
memzero (pwent->pw_passwd, strlen (pwent->pw_passwd));
|
|
free (pwent->pw_passwd);
|
|
}
|
|
free (pwent->pw_gecos);
|
|
free (pwent->pw_dir);
|
|
free (pwent->pw_shell);
|
|
free (pwent);
|
|
}
|
|
|