shadow/lib/sgroupio.c

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/*
* Copyright (c) 1990 - 1994, Julianne Frances Haugh
* Copyright (c) 1996 - 2000, Marek Michałkiewicz
* Copyright (c) 2001 , Michał Moskal
* Copyright (c) 2005 , Tomasz Kłoczko
* Copyright (c) 2007 - 2008, 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>
#ifdef SHADOWGRP
#ident "$Id$"
#include "prototypes.h"
#include "defines.h"
#include "commonio.h"
#include "sgroupio.h"
struct sgrp *__sgr_dup (const struct sgrp *sgent)
{
struct sgrp *sg;
int i;
sg = (struct sgrp *) malloc (sizeof *sg);
if (NULL == sg) {
return NULL;
}
*sg = *sgent;
sg->sg_name = strdup (sgent->sg_name);
if (NULL == sg->sg_name) {
return NULL;
}
sg->sg_passwd = strdup (sgent->sg_passwd);
if (NULL == sg->sg_passwd) {
return NULL;
}
for (i = 0; NULL != sgent->sg_adm[i]; i++);
sg->sg_adm = (char **) malloc ((i + 1) * sizeof (char *));
if (NULL == sg->sg_adm) {
return NULL;
}
for (i = 0; NULL != sgent->sg_adm[i]; i++) {
sg->sg_adm[i] = strdup (sgent->sg_adm[i]);
if (NULL == sg->sg_adm[i]) {
return NULL;
}
}
sg->sg_adm[i] = NULL;
for (i = 0; NULL != sgent->sg_mem[i]; i++);
sg->sg_mem = (char **) malloc ((i + 1) * sizeof (char *));
if (NULL == sg->sg_mem) {
return NULL;
}
for (i = 0; NULL != sgent->sg_mem[i]; i++) {
sg->sg_mem[i] = strdup (sgent->sg_mem[i]);
if (NULL == sg->sg_mem[i]) {
return NULL;
}
}
sg->sg_mem[i] = NULL;
return sg;
}
static void *gshadow_dup (const void *ent)
{
const struct sgrp *sg = ent;
return __sgr_dup (sg);
}
static void gshadow_free (/*@out@*/ /*@only@*/void *ent)
{
struct sgrp *sg = ent;
sgr_free (sg);
}
void sgr_free (/*@out@*/ /*@only@*/struct sgrp *sgent)
{
free (sgent->sg_name);
memzero (sgent->sg_passwd, strlen (sgent->sg_passwd));
free (sgent->sg_passwd);
while (NULL != *(sgent->sg_adm)) {
free (*(sgent->sg_adm));
sgent->sg_adm++;
}
while (NULL != *(sgent->sg_mem)) {
free (*(sgent->sg_mem));
sgent->sg_mem++;
}
free (sgent);
}
static const char *gshadow_getname (const void *ent)
{
const struct sgrp *gr = ent;
return gr->sg_name;
}
static void *gshadow_parse (const char *line)
{
return (void *) sgetsgent (line);
}
static int gshadow_put (const void *ent, FILE * file)
{
const struct sgrp *sg = ent;
return (putsgent (sg, file) == -1) ? -1 : 0;
}
static struct commonio_ops gshadow_ops = {
gshadow_dup,
gshadow_free,
gshadow_getname,
gshadow_parse,
gshadow_put,
fgetsx,
fputsx,
NULL, /* open_hook */
NULL /* close_hook */
};
static struct commonio_db gshadow_db = {
SGROUP_FILE, /* filename */
&gshadow_ops, /* ops */
NULL, /* fp */
#ifdef WITH_SELINUX
NULL, /* scontext */
#endif
NULL, /* head */
NULL, /* tail */
NULL, /* cursor */
false, /* changed */
false, /* isopen */
false, /* locked */
false /* readonly */
};
* lib/groupio.c, lib/groupio.h, lib/pwio.c, lib/pwio.h, lib/sgroupio.c, lib/sgroupio.h, lib/shadowio.c, lib/shadowio.h: Added *_dbname() functions to retrieve the name of the databases. * lib/groupio.c, lib/groupio.h, lib/pwio.c, lib/pwio.h, lib/sgroupio.c, lib/sgroupio.h, lib/shadowio.c, lib/shadowio.h: *_name() functions renamed *setname(). * src/grpck.c, src/pwck.c: Likewise. * lib/groupio.h, lib/pwio.h, lib/sgroupio.h, lib/shadowio.h: Added the name of the arguments to the prototypes. * src/chage, src/chfn.c, src/chgpasswd.c, src/chpasswd.c, src/chsh.c, src/gpasswd.c, src/groupadd.c, src/groupdel.c, src/groupmod.c, src/grpck.c, src/grpconv.c, src/grpunconv.c, src/newusers.c, src/passwd.c, src/pwck.c, src/pwconv.c, src/pwunconv.c, src/useradd.c, src/userdel.c, src/usermod.c: Harmonize the erro & syslog messages in case of failure of the *_lock(), *_open(), *_close(), *_unlock(), *_remove() functions. * src/chgpasswd.c, src/chpasswd.c, src/usermod.c: Avoid capitalized messages. * src/chpasswd.c, src/useradd.c, src/usermod.c: Harmonize messages in case of inexistent entries. * src/usermod.c: Harmonize messages in case of already existing entries. * src/newusers.c, src/useradd.c: Simplify PAM error handling. * src/useradd.c: Report failures to unlock files (stderr, syslog, and audit). But do not fail (continue). * src/useradd.c (open_files): Do not report to syslog & audit failures to lock or open the databases. This might be harmless, and the logs were not already informed that a change was requested. * src/usermod.c: It's not the account which is unlocked, but its password.
2008-08-06 21:27:31 +05:30
int sgr_setdbname (const char *filename)
{
return commonio_setname (&gshadow_db, filename);
}
/*@observer@*/const char *sgr_dbname (void)
* lib/groupio.c, lib/groupio.h, lib/pwio.c, lib/pwio.h, lib/sgroupio.c, lib/sgroupio.h, lib/shadowio.c, lib/shadowio.h: Added *_dbname() functions to retrieve the name of the databases. * lib/groupio.c, lib/groupio.h, lib/pwio.c, lib/pwio.h, lib/sgroupio.c, lib/sgroupio.h, lib/shadowio.c, lib/shadowio.h: *_name() functions renamed *setname(). * src/grpck.c, src/pwck.c: Likewise. * lib/groupio.h, lib/pwio.h, lib/sgroupio.h, lib/shadowio.h: Added the name of the arguments to the prototypes. * src/chage, src/chfn.c, src/chgpasswd.c, src/chpasswd.c, src/chsh.c, src/gpasswd.c, src/groupadd.c, src/groupdel.c, src/groupmod.c, src/grpck.c, src/grpconv.c, src/grpunconv.c, src/newusers.c, src/passwd.c, src/pwck.c, src/pwconv.c, src/pwunconv.c, src/useradd.c, src/userdel.c, src/usermod.c: Harmonize the erro & syslog messages in case of failure of the *_lock(), *_open(), *_close(), *_unlock(), *_remove() functions. * src/chgpasswd.c, src/chpasswd.c, src/usermod.c: Avoid capitalized messages. * src/chpasswd.c, src/useradd.c, src/usermod.c: Harmonize messages in case of inexistent entries. * src/usermod.c: Harmonize messages in case of already existing entries. * src/newusers.c, src/useradd.c: Simplify PAM error handling. * src/useradd.c: Report failures to unlock files (stderr, syslog, and audit). But do not fail (continue). * src/useradd.c (open_files): Do not report to syslog & audit failures to lock or open the databases. This might be harmless, and the logs were not already informed that a change was requested. * src/usermod.c: It's not the account which is unlocked, but its password.
2008-08-06 21:27:31 +05:30
{
return gshadow_db.filename;
}
bool sgr_file_present (void)
{
return commonio_present (&gshadow_db);
}
int sgr_lock (void)
{
return commonio_lock (&gshadow_db);
}
int sgr_open (int mode)
{
return commonio_open (&gshadow_db, mode);
}
const struct sgrp *sgr_locate (const char *name)
{
return commonio_locate (&gshadow_db, name);
}
int sgr_update (const struct sgrp *sg)
{
return commonio_update (&gshadow_db, (const void *) sg);
}
int sgr_remove (const char *name)
{
return commonio_remove (&gshadow_db, name);
}
int sgr_rewind (void)
{
return commonio_rewind (&gshadow_db);
}
/*@null@*/const struct sgrp *sgr_next (void)
{
return commonio_next (&gshadow_db);
}
int sgr_close (void)
{
return commonio_close (&gshadow_db);
}
int sgr_unlock (void)
{
return commonio_unlock (&gshadow_db);
}
void __sgr_set_changed (void)
{
gshadow_db.changed = true;
}
/*@null@*/struct commonio_entry *__sgr_get_head (void)
{
return gshadow_db.head;
}
void __sgr_del_entry (const struct commonio_entry *ent)
{
commonio_del_entry (&gshadow_db, ent);
}
/* Sort with respect to group ordering. */
int sgr_sort ()
{
return commonio_sort_wrt (&gshadow_db, __gr_get_db ());
}
#else
extern int errno; /* warning: ANSI C forbids an empty source file */
#endif