diff options
Diffstat (limited to 'lib/libc/posix1e/cap_copy.c')
-rw-r--r-- | lib/libc/posix1e/cap_copy.c | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/lib/libc/posix1e/cap_copy.c b/lib/libc/posix1e/cap_copy.c deleted file mode 100644 index fdfd73e..0000000 --- a/lib/libc/posix1e/cap_copy.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Copyright 2001 by Thomas Moestl. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -/* - * TrustedBSD implementation of cap_copy_ext()/cap_copy_int() - * - * These are largely nops currently, because our internal format is contiguous. - * We just copy our representation out, and do some minumum validations on - * external data. - * - * XXX: we cannot detect cap being invalid. If it is, the program will probably - * segfault. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/types.h> -#include <sys/capability.h> - -#include <errno.h> -#include <stdlib.h> - -ssize_t -cap_copy_ext(void *ext_p, cap_t cap, ssize_t size) -{ - if (size < 0) { - errno = EINVAL; - return (-1); - } - if (size < sizeof(struct cap)) { - errno = ERANGE; - return (-1); - } - memcpy(ext_p, cap, sizeof(struct cap)); - return (sizeof(struct cap)); -} - -cap_t -cap_copy_int(const void *ext_p) -{ - cap_t c; - /* We can use cap_dup here, because the format is the same */ - if ((c = cap_dup((cap_t)ext_p)) == NULL) - return ((cap_t)NULL); - /* Basic validation */ - if ((c->c_effective & ~CAP_ALL_ON) || (c->c_permitted & ~CAP_ALL_ON) || - (c->c_inheritable & ~CAP_ALL_ON)) { - cap_free(c); - errno = EINVAL; - return ((cap_t)NULL); - } - return (c); -} - -ssize_t -cap_size(cap_t cap) -{ - (void)cap; /* silence warning */ - return (sizeof(struct cap)); -} |