diff options
Diffstat (limited to 'lib/libc/posix1e/acl_calc_mask.c')
| -rw-r--r-- | lib/libc/posix1e/acl_calc_mask.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/libc/posix1e/acl_calc_mask.c b/lib/libc/posix1e/acl_calc_mask.c index 085ac9c..95fd260 100644 --- a/lib/libc/posix1e/acl_calc_mask.c +++ b/lib/libc/posix1e/acl_calc_mask.c @@ -35,6 +35,8 @@ __FBSDID("$FreeBSD$"); #include <errno.h> #include <stdio.h> +#include "acl_support.h" + /* * acl_calc_mask() (23.4.2): calculate and set the permissions * associated with the ACL_MASK ACL entry. If the ACL already @@ -48,6 +50,12 @@ acl_calc_mask(acl_t *acl_p) acl_t acl_new; int i, mask_mode, mask_num; + if (!_acl_brand_may_be(*acl_p, ACL_BRAND_POSIX)) { + errno = EINVAL; + return (-1); + } + _acl_brand_as(*acl_p, ACL_BRAND_POSIX); + /* * (23.4.2.4) requires acl_p to point to a pointer to a valid ACL. * Since one of the primary reasons to use this function would be |
