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/*
* This file is part of the Green End SFTP Server.
* Copyright (C) 2007 Richard Kettlewell
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include "sftpserver.h"
#include "users.h"
#include "alloc.h"
#include "thread.h"
#include "utils.h"
#include <pwd.h>
#include <grp.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#if NTHREADS > 1
/* We don't rely on the C library doing the right thing */
static pthread_mutex_t user_lock = PTHREAD_MUTEX_INITIALIZER;
#endif
char *sftp_uid2name(struct allocator *a, uid_t uid) {
char *s;
const struct passwd *pw;
ferrcheck(pthread_mutex_lock(&user_lock));
if((pw = getpwuid(uid)))
s = strcpy(sftp_alloc(a, strlen(pw->pw_name) + 1), pw->pw_name);
else
s = 0;
ferrcheck(pthread_mutex_unlock(&user_lock));
return s;
}
char *sftp_gid2name(struct allocator *a, gid_t gid) {
char *s;
const struct group *gr;
ferrcheck(pthread_mutex_lock(&user_lock));
if((gr = getgrgid(gid)))
s = strcpy(sftp_alloc(a, strlen(gr->gr_name) + 1), gr->gr_name);
else
s = 0;
ferrcheck(pthread_mutex_unlock(&user_lock));
return s;
}
uid_t sftp_name2uid(const char *name) {
const struct passwd *pw;
uid_t uid;
ferrcheck(pthread_mutex_lock(&user_lock));
if((pw = getpwnam(name)))
uid = pw->pw_uid;
else
uid = -1;
ferrcheck(pthread_mutex_unlock(&user_lock));
return uid;
}
gid_t sftp_name2gid(const char *name) {
const struct group *gr;
gid_t gid;
ferrcheck(pthread_mutex_lock(&user_lock));
if((gr = getgrnam(name)))
gid = gr->gr_gid;
else
gid = -1;
ferrcheck(pthread_mutex_unlock(&user_lock));
return gid;
}
/*
Local Variables:
c-basic-offset:2
comment-column:40
fill-column:79
indent-tabs-mode:nil
End:
*/
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