1 /****************************************************************************
2 * Copyright (c) 1998,2000 Free Software Foundation, Inc. *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Thomas E. Dickey <dickey@clark.net> 1998,2000 *
31 ****************************************************************************/
33 #include <curses.priv.h>
36 MODULE_ID("$Id: access.c,v 1.4 2000/10/08 01:25:06 tom Exp $")
39 _nc_basename(char *path)
41 char *result = strrchr(path, '/');
44 result = strrchr(path, '\\');
54 _nc_access(const char *path, int mode)
56 if (access(path, mode) < 0) {
57 if ((mode & W_OK) != 0
59 && strlen(path) < PATH_MAX) {
61 char *leaf = _nc_basename(strcpy(head, path));
67 (void) strcpy(head, ".");
69 return access(head, R_OK | W_OK | X_OK);
76 #ifndef USE_ROOT_ENVIRON
78 * Returns true if we allow application to use environment variables that are
79 * used for searching lists of directories, etc.
87 #elif HAVE_GETEUID && HAVE_GETEGID
88 if (getuid() != geteuid()
89 || getgid() != getegid())
92 return getuid() != 0; /* ...finally, disallow root */