/*
- Copyright 2015 IoT.bzh
+ Copyright 2015, 2016, 2017 IoT.bzh
author: José Bollo <jose.bollo@iot.bzh>
unsigned level: 3;
};
-static const char prefix_of_permissions[] = FWK_PREFIX_PERMISSION;
-
static unsigned int nrpermissions = 0;
static struct permission *permissions = NULL;
static unsigned int indexiter = 0;
-/* check is the name has the correct prefix for permissions */
-int is_standard_permission(const char *name)
-{
- return 0 == memcmp(name, prefix_of_permissions, sizeof(prefix_of_permissions) - 1);
-}
-
/* retrieves the permission of name */
static struct permission *get_permission(const char *name)
{
{
unsigned int i;
for (i = 0 ; i < nrpermissions ; i++)
- permissions[i].granted = 0;
+ permissions[i].granted = permissions[i].requested = 0;
+}
+
+/* remove any requested permission */
+void reset_requested_permissions()
+{
+ unsigned int i;
+ for (i = 0 ; i < nrpermissions ; i++)
+ permissions[i].requested = 0;
}
/* remove any granting */
}
/* add permissions granted for installation */
-void grant_permission_list(const char *list)
+int grant_permission_list(const char *list)
{
struct permission *p;
char *iter, c;
iter[n] = 0;
p = add_permission(iter);
if (!p) {
- ERROR("Can't allocate permission");
- exit(1);
+ errno = ENOMEM;
+ return -1;
}
p->granted = 1;
iter += n;
*iter =c;
iter += strspn(iter, separators);
}
+ return 0;
}
/* checks if the permission 'name' is recorded */
/* request the permission, returns 1 if granted or 0 otherwise */
int request_permission(const char *name)
{
+#define HACK_ALLOWING_REQUESTED_PERMISSIONS 1
+
struct permission *p = get_permission(name);
+
+#if defined(HACK_ALLOWING_REQUESTED_PERMISSIONS) && HACK_ALLOWING_REQUESTED_PERMISSIONS
+ if (!p)
+ p = add_permission(name);
+#endif
if (p) {
+#if defined(HACK_ALLOWING_REQUESTED_PERMISSIONS) && HACK_ALLOWING_REQUESTED_PERMISSIONS
+ p->granted = 1;
+#endif
p->requested = 1;
if (p->granted)
return 1;
}
return 0;
+
+#undef HACK_ALLOWING_REQUESTED_PERMISSIONS
}
/* iteration over granted and requested permissions */