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/*
* Copyright 2015 Aleksey Cheusov <vle@gmx.net>
*
* 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.
*
* THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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 "mkc_pwdgrp.h"
#include <stdlib.h>
#include <stdio.h>
#ifndef HAVE_FUNC2_USER_FROM_UID_PWD_H
const char *user_from_uid(uid_t uid, int nouser)
{
struct passwd *p = getpwuid(uid);
if (p)
return p->pw_name;
if (nouser)
return NULL;
static char num [128];
snprintf(num, sizeof (num), "%d", (int)uid);
return num;
}
#endif
#ifndef HAVE_FUNC2_GROUP_FROM_GID_GRP_H
const char *group_from_gid(gid_t gid, int nogroup)
{
struct group *g = getgrgid(gid);
if (g)
return g->gr_name;
if (nogroup)
return NULL;
static char num [128];
snprintf(num, sizeof (num), "%d", (int)gid);
return num;
}
#endif
#ifndef HAVE_FUNC2_UID_FROM_USER_PWD_H
int uid_from_user(const char *name, uid_t *uid)
{
struct passwd *p = getpwnam(name);
if (!p)
return -1;
*uid = p->pw_uid;
return 0;
}
#endif
#ifndef HAVE_FUNC2_GID_FROM_GROUP_GRP_H
int gid_from_group(const char *name, gid_t *gid)
{
struct group *g = getgrnam(name);
if (!g)
return -1;
*gid = g->gr_gid;
return 0;
}
#endif
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