return error;
}
-/*
- * The access control process to determine the access permission:
- * if uid == file owner id, use the file owner bits.
- * if gid == file owner group id, use the file group bits.
- * scan ACL for a matching user or group, and use matched entry
- * permission. Use total permissions of all matching group entries,
- * until all acl entries are exhausted. The final permission produced
- * by matching acl entry or entries needs to be & with group permission.
- * if not owner, owning group, or matching entry in ACL, use file
- * other bits.
- */
-STATIC int
-xfs_acl_capability_check(
- mode_t mode,
- cred_t *cr)
-{
- if ((mode & ACL_READ) && !capable_cred(cr, CAP_DAC_READ_SEARCH))
- return EACCES;
- if ((mode & ACL_WRITE) && !capable_cred(cr, CAP_DAC_OVERRIDE))
- return EACCES;
- if ((mode & ACL_EXECUTE) && !capable_cred(cr, CAP_DAC_OVERRIDE))
- return EACCES;
-
- return 0;
-}
-
/*
* Note: cr is only used here for the capability check if the ACL test fails.
* It is not used to find out the credentials uid or groups etc, as was
matched.ae_tag = 0; /* Invalid type */
matched.ae_perm = 0;
- md >>= 6; /* Normalize the bits for comparison */
for (i = 0; i < fap->acl_cnt; i++) {
/*
break;
}
- return xfs_acl_capability_check(md, cr);
+ /* EACCES tells generic_permission to check for capability overrides */
+ return EACCES;
}
/*