/**
* Get the binding for the given @path (relatively to the given
* binding @side).
*/
static const Binding *get_binding(Tracee *tracee, Side side, const char path[PATH_MAX])
{
const Binding *binding;
size_t path_length = strlen(path);
/* Sanity checks. */
assert(path != NULL && path[0] == '/');
CIRCLEQ_FOREACH_(tracee, binding, side) {
Comparison comparison;
const Path *ref;
switch (side) {
case GUEST:
ref = &binding->guest;
break;
case HOST:
ref = &binding->host;
break;
default:
assert(0);
return NULL;
}
comparison = compare_paths2(ref->path, ref->length, path, path_length);
if ( comparison != PATHS_ARE_EQUAL
&& comparison != PATH1_IS_PREFIX)
continue;
/* Avoid false positive when a prefix of the rootfs is
* used as an asymmetric binding, ex.:
*
* proot -m /usr:/location /usr/local/slackware
*/
if ( side == HOST
&& compare_paths(get_root(tracee), "/") != PATHS_ARE_EQUAL
&& belongs_to_guestfs(tracee, path))
continue;
return binding;
}
Comparison compare_paths(const char *path1, const char *path2)
{
return compare_paths2(path1, strlen(path1), path2, strlen(path2));
}
