2 * This Cplant(TM) source code is the property of Sandia National
5 * This Cplant(TM) source code is copyrighted by Sandia National
8 * The redistribution of this Cplant(TM) source code is subject to the
9 * terms of the GNU Lesser General Public License
10 * (see cit/LGPL or http://www.gnu.org/licenses/lgpl.html)
12 * Cplant(TM) Copyright 1998-2003 Sandia Corporation.
13 * Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
14 * license for use of this work by or on behalf of the US Government.
15 * Export of this program may require a license from the United States
20 * This library is free software; you can redistribute it and/or
21 * modify it under the terms of the GNU Lesser General Public
22 * License as published by the Free Software Foundation; either
23 * version 2.1 of the License, or (at your option) any later version.
25 * This library is distributed in the hope that it will be useful,
26 * but WITHOUT ANY WARRANTY; without even the implied warranty of
27 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
28 * Lesser General Public License for more details.
30 * You should have received a copy of the GNU Lesser General Public
31 * License along with this library; if not, write to the Free Software
32 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
34 * Questions or comments about this library should be sent to:
37 * Sandia National Laboratories, New Mexico
39 * Albuquerque, NM 87185-1110
47 #include <sys/types.h>
49 #include <sys/queue.h>
52 #include "sysio-symbols.h"
55 SYSIO_INTERFACE_NAME(access)(const char *path, int amode)
62 SYSIO_INTERFACE_DISPLAY_BLOCK;
64 SYSIO_INTERFACE_ENTER;
70 if ((amode & (R_OK|W_OK|X_OK)) != amode)
71 SYSIO_INTERFACE_RETURN(-1, -EINVAL);
73 n = getgroups(0, NULL);
76 list = malloc(n * sizeof(gid_t));
82 err = getgroups(n, list);
86 err = SYSIO_INTERFACE_NAME(stat)(path, &stbuf);
92 SYSIO_INTERFACE_RETURN(0, 0);
103 mode = stbuf.st_mode;
104 if (stbuf.st_uid == getuid() && (mode & mask) == mask)
108 if (stbuf.st_gid == getgid() && (mode & mask) == mask)
113 if (stbuf.st_gid == *entry++ && (mode & mask) == mask)
117 if ((mode & mask) == mask)
126 SYSIO_INTERFACE_RETURN(err ? -1 : 0, err);
131 sysio_sym_weak_alias(SYSIO_INTERFACE_NAME(access),
132 PREPEND(__, SYSIO_INTERFACE_NAME(access)))