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[tor-commits] [tor/master] If EntryNodes and ExcludeNodes overlap, obey ExcludeNodes.
commit ad3da535366aeb9b7441f4881899758bc7475168
Author: Roger Dingledine <arma@xxxxxxxxxxxxxx>
Date: Sat Oct 17 18:54:20 2009 -0400
If EntryNodes and ExcludeNodes overlap, obey ExcludeNodes.
---
src/or/circuitbuild.c | 6 ++++--
src/or/config.c | 3 ++-
src/or/or.h | 4 ++--
src/or/routerlist.c | 13 ++++++++-----
src/or/routerlist.h | 1 +
5 files changed, 17 insertions(+), 10 deletions(-)
diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c
index 2d4d5c0..ebbda21 100644
--- a/src/or/circuitbuild.c
+++ b/src/or/circuitbuild.c
@@ -2938,6 +2938,7 @@ warn_if_last_router_excluded(origin_circuit_t *circ, const extend_info_t *exit)
description,exit->nickname,
rs==options->ExcludeNodes?"":" or ExcludeExitNodes",
(int)purpose);
+ /* XXX022-1090 "using anyway" is freaking people out -RD */
circuit_log_path(LOG_WARN, domain, circ);
}
@@ -3979,7 +3980,8 @@ entry_guards_prepend_from_config(or_options_t *options)
* Perhaps we should do this calculation once whenever the list of routers
* changes or the entrynodes setting changes.
*/
- routerset_get_all_routers(entry_routers, options->EntryNodes, 0);
+ routerset_get_all_routers(entry_routers, options->EntryNodes,
+ options->ExcludeNodes, 0);
SMARTLIST_FOREACH(entry_routers, routerinfo_t *, ri,
smartlist_add(entry_fps,ri->cache_info.identity_digest));
SMARTLIST_FOREACH(entry_guards, entry_guard_t *, e, {
@@ -4155,7 +4157,7 @@ choose_random_entry(cpath_build_state_t *state)
goto retry;
}
if (!r && entry_list_is_constrained(options) && consider_exit_family) {
- /* still no? if we're using bridges or have strictentrynodes
+ /* still no? if we're using bridges or have StrictNodes
* set, and our chosen exit is in the same family as all our
* bridges/entry guards, then be flexible about families. */
consider_exit_family = 0;
diff --git a/src/or/config.c b/src/or/config.c
index 9675c73..bd904dc 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -1412,7 +1412,8 @@ options_act(or_options_t *old_options)
/* Check if we need to parse and add the EntryNodes config option. */
if (options->EntryNodes &&
(!old_options ||
- (!routerset_equal(old_options->EntryNodes,options->EntryNodes))))
+ !routerset_equal(old_options->EntryNodes,options->EntryNodes) ||
+ !routerset_equal(old_options->ExcludeNodes,options->ExcludeNodes)))
entry_nodes_should_be_added();
/* Since our options changed, we might need to regenerate and upload our
diff --git a/src/or/or.h b/src/or/or.h
index 06e6d7f..50a1223 100644
--- a/src/or/or.h
+++ b/src/or/or.h
@@ -2387,7 +2387,7 @@ typedef struct {
* ORs not to consider as exits. */
/** Union of ExcludeNodes and ExcludeExitNodes */
- struct routerset_t *_ExcludeExitNodesUnion;
+ routerset_t *_ExcludeExitNodesUnion;
int DisableAllSwap; /**< Boolean: Attempt to call mlockall() on our
* process for all current and future memory. */
@@ -3487,7 +3487,7 @@ typedef struct trusted_dir_server_t {
#define ROUTER_MAX_DECLARED_BANDWIDTH INT32_MAX
-/* Flags for pick_directory_server and pick_trusteddirserver. */
+/* Flags for pick_directory_server() and pick_trusteddirserver(). */
/** Flag to indicate that we should not automatically be willing to use
* ourself to answer a directory request.
* Passed to router_pick_directory_server (et al).*/
diff --git a/src/or/routerlist.c b/src/or/routerlist.c
index c02654f..5d9ab8c 100644
--- a/src/or/routerlist.c
+++ b/src/or/routerlist.c
@@ -5516,10 +5516,11 @@ routerset_contains_routerstatus(const routerset_t *set, routerstatus_t *rs)
}
/** Add every known routerinfo_t that is a member of <b>routerset</b> to
- * <b>out</b>. If <b>running_only</b>, only add the running ones. */
+ * <b>out</b>, but never add any that are part of <b>excludeset</b>.
+ * If <b>running_only</b>, only add the running ones. */
void
routerset_get_all_routers(smartlist_t *out, const routerset_t *routerset,
- int running_only)
+ const routerset_t *excludeset, int running_only)
{
tor_assert(out);
if (!routerset || !routerset->list)
@@ -5529,12 +5530,13 @@ routerset_get_all_routers(smartlist_t *out, const routerset_t *routerset,
if (routerset_is_list(routerset)) {
/* No routers are specified by type; all are given by name or digest.
- * we can do a lookup in O(len(list)). */
+ * we can do a lookup in O(len(routerset)). */
SMARTLIST_FOREACH(routerset->list, const char *, name, {
routerinfo_t *router = router_get_by_nickname(name, 1);
if (router) {
if (!running_only || router->is_running)
- smartlist_add(out, router);
+ if (!routerset_contains_router(excludeset, router))
+ smartlist_add(out, router);
}
});
} else {
@@ -5544,7 +5546,8 @@ routerset_get_all_routers(smartlist_t *out, const routerset_t *routerset,
SMARTLIST_FOREACH(rl->routers, routerinfo_t *, router, {
if (running_only && !router->is_running)
continue;
- if (routerset_contains_router(routerset, router))
+ if (routerset_contains_router(routerset, router) &&
+ !routerset_contains_router(excludeset, router))
smartlist_add(out, router);
});
}
diff --git a/src/or/routerlist.h b/src/or/routerlist.h
index ca42811..cd0eb95 100644
--- a/src/or/routerlist.h
+++ b/src/or/routerlist.h
@@ -173,6 +173,7 @@ int routerset_contains_routerstatus(const routerset_t *set,
int routerset_contains_extendinfo(const routerset_t *set,
const extend_info_t *ei);
void routerset_get_all_routers(smartlist_t *out, const routerset_t *routerset,
+ const routerset_t *excludeset,
int running_only);
void routersets_get_disjunction(smartlist_t *target, const smartlist_t *source,
const routerset_t *include,
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