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/*
* Copyright (c) 2004 Todd C. Miller <Todd.Miller@courtesan.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "config.h"
#include <errno.h>
#ifndef lint
static const char rcsid[] = "$Sudo: sudo_noexec.c,v 1.5 2004/02/13 21:36:43 millert Exp $";
#endif /* lint */
/*
* Dummy versions of the execve() family of syscalls. We don't need
* to stub out all of them, just the ones that correspond to actual
* system calls (which varies by OS). Note that it is still possible
* to access the real syscalls via the syscall() interface but very
* few programs actually do that.
*/
#ifndef errno
extern int errno;
#endif
#define DUMMY(fn, args, atypes) \
int \
fn args \
atypes \
{ \
errno = EACCES; \
return(-1); \
}
DUMMY(execve, (path, argv, envp),
const char *path; char *const argv[]; char *const envp[];)
DUMMY(_execve, (path, argv, envp),
const char *path; char *const argv[]; char *const envp[];)
DUMMY(execv, (path, argv, envp),
const char *path; char *const argv[];)
DUMMY(_execv, (path, argv, envp),
const char *path; char *const argv[];)
DUMMY(fexecve, (fd, argv, envp),
int fd; char *const argv[]; char *const envp[];)
DUMMY(_fexecve, (fd, argv, envp),
int fd; char *const argv[]; char *const envp[];)
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