1 /****************************************************************************
2 * Copyright 2021,2023 Thomas E. Dickey *
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 *
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9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
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27 ****************************************************************************/
29 /* $Id: nc_access.h,v 1.6 2023/05/06 10:54:55 tom Exp $ */
31 #ifndef NC_ACCESS_included
32 #define NC_ACCESS_included 1
35 #include <ncurses_cfg.h>
37 #include <sys/types.h>
44 * Turn off the 'use_terminfo_vars()' symbol to limit access to environment
45 * variables when running with privileges.
47 #if defined(USE_ROOT_ENVIRON) && defined(USE_SETUID_ENVIRON)
48 #define use_terminfo_vars() 1
50 #define use_terminfo_vars() _nc_env_access()
53 extern NCURSES_EXPORT(int) _nc_env_access (void);
56 * Turn off this symbol to limit access to files when running setuid.
58 #ifdef USE_ROOT_ACCESS
60 #define safe_fopen(name,mode) fopen(name,mode)
61 #define safe_open2(name,flags) open(name,flags)
62 #define safe_open3(name,flags,mode) open(name,flags,mode)
66 #define safe_fopen(name,mode) _nc_safe_fopen(name,mode)
67 #define safe_open2(name,flags) _nc_safe_open3(name,flags,0)
68 #define safe_open3(name,flags,mode) _nc_safe_open3(name,flags,mode)
69 extern NCURSES_EXPORT(FILE *) _nc_safe_fopen (const char *, const char *);
70 extern NCURSES_EXPORT(int) _nc_safe_open3 (const char *, int, mode_t);
80 #endif /* NC_ACCESS_included */