Remove some more remnants of legacy guard selection.

This commit is contained in:
George Kadianakis 2017-01-24 13:31:33 +02:00
parent d5d7c3e638
commit b047d97b28

View File

@ -11,11 +11,6 @@
* Entry nodes can be guards (for general use) or bridges (for censorship
* circumvention).
*
* XXXX prop271 This module is in flux, since I'm currently in the middle of
* implementation proposal 271. The module documentation here will describe
* the new algorithm and data structures; the old ones should get removed as
* proposal 271 is completed.
*
* In general, we use entry guards to prevent traffic-sampling attacks:
* if we chose every circuit independently, an adversary controlling
* some fraction of paths on the network would observe a sample of every
@ -2782,8 +2777,8 @@ entry_guard_parse_from_state(const char *s)
}
/**
* Replace the Guards entries in <b>state</b> with a list of all our
* non-legacy sampled guards.
* Replace the Guards entries in <b>state</b> with a list of all our sampled
* guards.
*/
static void
entry_guards_update_guards_in_state(or_state_t *state)
@ -2794,8 +2789,6 @@ entry_guards_update_guards_in_state(or_state_t *state)
config_line_t **nextline = &lines;
SMARTLIST_FOREACH_BEGIN(guard_contexts, guard_selection_t *, gs) {
if (!strcmp(gs->name, "legacy"))
continue; /* This is encoded differently. */
SMARTLIST_FOREACH_BEGIN(gs->sampled_entry_guards, entry_guard_t *, guard) {
if (guard->is_persistent == 0)
continue;
@ -2811,9 +2804,9 @@ entry_guards_update_guards_in_state(or_state_t *state)
}
/**
* Replace our non-legacy sampled guards from the Guards entries in
* <b>state</b>. Return 0 on success, -1 on failure. (If <b>set</b> is
* true, replace nothing -- only check whether replacing would work.)
* Replace our sampled guards from the Guards entries in <b>state</b>. Return 0
* on success, -1 on failure. (If <b>set</b> is true, replace nothing -- only
* check whether replacing would work.)
*/
static int
entry_guards_load_guards_from_state(or_state_t *state, int set)
@ -2828,8 +2821,6 @@ entry_guards_load_guards_from_state(or_state_t *state, int set)
* let's be safe.) */
if (set) {
SMARTLIST_FOREACH_BEGIN(guard_contexts, guard_selection_t *, gs) {
if (!strcmp(gs->name, "legacy"))
continue;
guard_selection_free(gs);
if (curr_guard_context == gs)
curr_guard_context = NULL;
@ -2864,8 +2855,6 @@ entry_guards_load_guards_from_state(or_state_t *state, int set)
if (set) {
SMARTLIST_FOREACH_BEGIN(guard_contexts, guard_selection_t *, gs) {
if (!strcmp(gs->name, "legacy"))
continue;
entry_guards_update_all(gs);
} SMARTLIST_FOREACH_END(gs);
}
@ -3081,7 +3070,7 @@ entry_guards_update_state(or_state_t *state)
{
entry_guards_dirty = 0;
// Handles all non-legacy guard info.
// Handles all guard info.
entry_guards_update_guards_in_state(state);
entry_guards_dirty = 0;