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[tor-commits] [tor/master] config: Remove AllowInvalidNodes option
commit 2b9823b3106df2cf23e2de13ae9a9b6d12607ce4
Author: David Goulet <dgoulet@xxxxxxxxxxxxxx>
Date: Tue Apr 25 13:22:35 2017 -0400
config: Remove AllowInvalidNodes option
Deprecated in 0.2.9.2-alpha, this commits changes it as OBSOLETE() and cleans
up the code associated with it.
Partially fixes #22060
Signed-off-by: David Goulet <dgoulet@xxxxxxxxxxxxxx>
---
changes/bug22060 | 3 +++
doc/tor.1.txt | 7 -------
src/or/circuitbuild.c | 17 +----------------
src/or/config.c | 26 +------------------------
src/or/or.h | 14 --------------
src/or/rendservice.c | 2 --
src/or/routerlist.c | 17 ++++++-----------
src/or/routerlist.h | 8 ++++----
src/test/test_options.c | 51 -------------------------------------------------
9 files changed, 15 insertions(+), 130 deletions(-)
diff --git a/changes/bug22060 b/changes/bug22060
new file mode 100644
index 0000000..d839c9b
--- /dev/null
+++ b/changes/bug22060
@@ -0,0 +1,3 @@
+ o Remove configuration option (confic):
+ - AllowInvalidNodes was deprecated in 0.2.9.2-alpha and now has been
+ rendered obsolete. Code has been removed and feature no longer exists.
diff --git a/doc/tor.1.txt b/doc/tor.1.txt
index c769237..012c5b9 100644
--- a/doc/tor.1.txt
+++ b/doc/tor.1.txt
@@ -772,13 +772,6 @@ CLIENT OPTIONS
The following options are useful only for clients (that is, if
**SocksPort**, **TransPort**, **DNSPort**, or **NATDPort** is non-zero):
-[[AllowInvalidNodes]] **AllowInvalidNodes** **entry**|**exit**|**middle**|**introduction**|**rendezvous**|**...**::
- If some Tor servers are obviously not working right, the directory
- authorities can manually mark them as invalid, meaning that it's not
- recommended you use them for entry or exit positions in your circuits. You
- can opt to use them in some circuit positions, though. The default is
- "middle,rendezvous", and other choices are not advised.
-
[[ExcludeSingleHopRelays]] **ExcludeSingleHopRelays** **0**|**1**::
This option controls whether circuits built by Tor will include relays with
the AllowSingleHopExits flag set to true. If ExcludeSingleHopRelays is set
diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c
index f8b3609..faf2e3d 100644
--- a/src/or/circuitbuild.c
+++ b/src/or/circuitbuild.c
@@ -1828,7 +1828,7 @@ choose_good_exit_server_general(int need_uptime, int need_capacity)
* we'll retry later in this function with need_update and
* need_capacity set to 0. */
}
- if (!(node->is_valid || options->AllowInvalid_ & ALLOW_INVALID_EXIT)) {
+ if (!(node->is_valid)) {
/* if it's invalid and we don't want it */
n_supported[i] = -1;
// log_fn(LOG_DEBUG,"Skipping node %s (index %d) -- invalid router.",
@@ -1968,7 +1968,6 @@ pick_tor2web_rendezvous_node(router_crn_flags_t flags,
const or_options_t *options)
{
const node_t *rp_node = NULL;
- const int allow_invalid = (flags & CRN_ALLOW_INVALID) != 0;
const int need_desc = (flags & CRN_NEED_DESC) != 0;
const int pref_addr = (flags & CRN_PREF_ADDR) != 0;
const int direct_conn = (flags & CRN_DIRECT_CONN) != 0;
@@ -1980,7 +1979,6 @@ pick_tor2web_rendezvous_node(router_crn_flags_t flags,
/* Add all running nodes to all_live_nodes */
router_add_running_nodes_to_smartlist(all_live_nodes,
- allow_invalid,
0, 0, 0,
need_desc,
pref_addr,
@@ -2022,9 +2020,6 @@ pick_rendezvous_node(router_crn_flags_t flags)
{
const or_options_t *options = get_options();
- if (options->AllowInvalid_ & ALLOW_INVALID_RENDEZVOUS)
- flags |= CRN_ALLOW_INVALID;
-
#ifdef ENABLE_TOR2WEB_MODE
/* We want to connect directly to the node if we can */
router_crn_flags_t direct_flags = flags;
@@ -2081,8 +2076,6 @@ choose_good_exit_server(uint8_t purpose,
switch (purpose) {
case CIRCUIT_PURPOSE_C_GENERAL:
- if (options->AllowInvalid_ & ALLOW_INVALID_MIDDLE)
- flags |= CRN_ALLOW_INVALID;
if (is_internal) /* pick it like a middle hop */
return router_choose_random_node(NULL, options->ExcludeNodes, flags);
else
@@ -2280,10 +2273,6 @@ count_acceptable_nodes, (smartlist_t *nodes))
if (! node->is_running)
// log_debug(LD_CIRC,"Nope, the directory says %d is not running.",i);
continue;
- /* XXX This clause makes us count incorrectly: if AllowInvalidRouters
- * allows this node in some places, then we're getting an inaccurate
- * count. For now, be conservative and don't count it. But later we
- * should try to be smarter. */
if (! node->is_valid)
// log_debug(LD_CIRC,"Nope, the directory says %d is not valid.",i);
continue;
@@ -2354,8 +2343,6 @@ choose_good_middle_server(uint8_t purpose,
flags |= CRN_NEED_UPTIME;
if (state->need_capacity)
flags |= CRN_NEED_CAPACITY;
- if (options->AllowInvalid_ & ALLOW_INVALID_MIDDLE)
- flags |= CRN_ALLOW_INVALID;
choice = router_choose_random_node(excluded, options->ExcludeNodes, flags);
smartlist_free(excluded);
return choice;
@@ -2408,8 +2395,6 @@ choose_good_entry_server(uint8_t purpose, cpath_build_state_t *state,
if (state->need_capacity)
flags |= CRN_NEED_CAPACITY;
}
- if (options->AllowInvalid_ & ALLOW_INVALID_ENTRY)
- flags |= CRN_ALLOW_INVALID;
choice = router_choose_random_node(excluded, options->ExcludeNodes, flags);
smartlist_free(excluded);
diff --git a/src/or/config.c b/src/or/config.c
index a73f397..6edfac3 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -205,7 +205,7 @@ static config_var_t option_vars_[] = {
V(AccountingStart, STRING, NULL),
V(Address, STRING, NULL),
V(AllowDotExit, BOOL, "0"),
- V(AllowInvalidNodes, CSV, "middle,rendezvous"),
+ OBSOLETE("AllowInvalidNodes"),
V(AllowNonRFC953Hostnames, BOOL, "0"),
V(AllowSingleHopCircuits, BOOL, "0"),
V(AllowSingleHopExits, BOOL, "0"),
@@ -662,8 +662,6 @@ static const config_deprecation_t option_deprecation_notes_[] = {
/* Deprecated since 0.2.9.2-alpha... */
{ "AllowDotExit", "Unrestricted use of the .exit notation can be used for "
"a wide variety of application-level attacks." },
- { "AllowInvalidNodes", "There is no reason to enable this option; at best "
- "it will make you easier to track." },
{ "AllowSingleHopCircuits", "Almost no relays actually allow single-hop "
"exits, making this option pointless." },
{ "AllowSingleHopExits", "Turning this on will make your relay easier "
@@ -3372,28 +3370,6 @@ options_validate(or_options_t *old_options, or_options_t *options,
server_mode(options));
options->MaxMemInQueues_low_threshold = (options->MaxMemInQueues / 4) * 3;
- options->AllowInvalid_ = 0;
-
- if (options->AllowInvalidNodes) {
- SMARTLIST_FOREACH_BEGIN(options->AllowInvalidNodes, const char *, cp) {
- if (!strcasecmp(cp, "entry"))
- options->AllowInvalid_ |= ALLOW_INVALID_ENTRY;
- else if (!strcasecmp(cp, "exit"))
- options->AllowInvalid_ |= ALLOW_INVALID_EXIT;
- else if (!strcasecmp(cp, "middle"))
- options->AllowInvalid_ |= ALLOW_INVALID_MIDDLE;
- else if (!strcasecmp(cp, "introduction"))
- options->AllowInvalid_ |= ALLOW_INVALID_INTRODUCTION;
- else if (!strcasecmp(cp, "rendezvous"))
- options->AllowInvalid_ |= ALLOW_INVALID_RENDEZVOUS;
- else {
- tor_asprintf(msg,
- "Unrecognized value '%s' in AllowInvalidNodes", cp);
- return -1;
- }
- } SMARTLIST_FOREACH_END(cp);
- }
-
if (!options->SafeLogging ||
!strcasecmp(options->SafeLogging, "0")) {
options->SafeLogging_ = SAFELOG_SCRUB_NONE;
diff --git a/src/or/or.h b/src/or/or.h
index 9e3e409..53a8710 100644
--- a/src/or/or.h
+++ b/src/or/or.h
@@ -3470,15 +3470,6 @@ static inline const origin_circuit_t *CONST_TO_ORIGIN_CIRCUIT(
return DOWNCAST(origin_circuit_t, x);
}
-/** Bitfield type: things that we're willing to use invalid routers for. */
-typedef enum invalid_router_usage_t {
- ALLOW_INVALID_ENTRY =1,
- ALLOW_INVALID_EXIT =2,
- ALLOW_INVALID_MIDDLE =4,
- ALLOW_INVALID_RENDEZVOUS =8,
- ALLOW_INVALID_INTRODUCTION=16,
-} invalid_router_usage_t;
-
/* limits for TCP send and recv buffer size used for constrained sockets */
#define MIN_CONSTRAINED_TCP_BUFFER 2048
#define MAX_CONSTRAINED_TCP_BUFFER 262144 /* 256k */
@@ -3604,10 +3595,6 @@ typedef struct {
int DisableAllSwap; /**< Boolean: Attempt to call mlockall() on our
* process for all current and future memory. */
- /** List of "entry", "middle", "exit", "introduction", "rendezvous". */
- smartlist_t *AllowInvalidNodes;
- /** Bitmask; derived from AllowInvalidNodes. */
- invalid_router_usage_t AllowInvalid_;
config_line_t *ExitPolicy; /**< Lists of exit policy components. */
int ExitPolicyRejectPrivate; /**< Should we not exit to reserved private
* addresses, and our own published addresses?
@@ -5356,7 +5343,6 @@ typedef enum {
CRN_NEED_UPTIME = 1<<0,
CRN_NEED_CAPACITY = 1<<1,
CRN_NEED_GUARD = 1<<2,
- CRN_ALLOW_INVALID = 1<<3,
/* XXXX not used, apparently. */
CRN_WEIGHT_AS_EXIT = 1<<5,
CRN_NEED_DESC = 1<<6,
diff --git a/src/or/rendservice.c b/src/or/rendservice.c
index c19c85f..281736c 100644
--- a/src/or/rendservice.c
+++ b/src/or/rendservice.c
@@ -4179,8 +4179,6 @@ rend_consider_services_intro_points(void)
const node_t *node;
rend_intro_point_t *intro;
router_crn_flags_t flags = CRN_NEED_UPTIME|CRN_NEED_DESC;
- if (get_options()->AllowInvalid_ & ALLOW_INVALID_INTRODUCTION)
- flags |= CRN_ALLOW_INVALID;
router_crn_flags_t direct_flags = flags;
direct_flags |= CRN_PREF_ADDR;
direct_flags |= CRN_DIRECT_CONN;
diff --git a/src/or/routerlist.c b/src/or/routerlist.c
index 35fe501..b3b959a 100644
--- a/src/or/routerlist.c
+++ b/src/or/routerlist.c
@@ -2317,17 +2317,16 @@ routerlist_add_node_and_family(smartlist_t *sl, const routerinfo_t *router)
* we can pick a node for a circuit.
*/
void
-router_add_running_nodes_to_smartlist(smartlist_t *sl, int allow_invalid,
- int need_uptime, int need_capacity,
- int need_guard, int need_desc,
- int pref_addr, int direct_conn)
+router_add_running_nodes_to_smartlist(smartlist_t *sl, int need_uptime,
+ int need_capacity, int need_guard,
+ int need_desc, int pref_addr,
+ int direct_conn)
{
const int check_reach = !router_skip_or_reachability(get_options(),
pref_addr);
/* XXXX MOVE */
SMARTLIST_FOREACH_BEGIN(nodelist_get_list(), const node_t *, node) {
- if (!node->is_running ||
- (!node->is_valid && !allow_invalid))
+ if (!node->is_running || !node->is_valid)
continue;
if (need_desc && !(node->ri || (node->rs && node->md)))
continue;
@@ -2773,8 +2772,6 @@ node_sl_choose_by_bandwidth(const smartlist_t *sl,
* a minimum uptime, return one of those.
* If <b>CRN_NEED_CAPACITY</b> is set in flags, weight your choice by the
* advertised capacity of each router.
- * If <b>CRN_ALLOW_INVALID</b> is not set in flags, consider only Valid
- * routers.
* If <b>CRN_NEED_GUARD</b> is set in flags, consider only Guard routers.
* If <b>CRN_WEIGHT_AS_EXIT</b> is set in flags, we weight bandwidths as if
* picking an exit node, otherwise we weight bandwidths for picking a relay
@@ -2795,7 +2792,6 @@ router_choose_random_node(smartlist_t *excludedsmartlist,
const int need_uptime = (flags & CRN_NEED_UPTIME) != 0;
const int need_capacity = (flags & CRN_NEED_CAPACITY) != 0;
const int need_guard = (flags & CRN_NEED_GUARD) != 0;
- const int allow_invalid = (flags & CRN_ALLOW_INVALID) != 0;
const int weight_for_exit = (flags & CRN_WEIGHT_AS_EXIT) != 0;
const int need_desc = (flags & CRN_NEED_DESC) != 0;
const int pref_addr = (flags & CRN_PREF_ADDR) != 0;
@@ -2823,8 +2819,7 @@ router_choose_random_node(smartlist_t *excludedsmartlist,
if ((r = routerlist_find_my_routerinfo()))
routerlist_add_node_and_family(excludednodes, r);
- router_add_running_nodes_to_smartlist(sl, allow_invalid,
- need_uptime, need_capacity,
+ router_add_running_nodes_to_smartlist(sl, need_uptime, need_capacity,
need_guard, need_desc, pref_addr,
direct_conn);
log_debug(LD_CIRC,
diff --git a/src/or/routerlist.h b/src/or/routerlist.h
index 5c1f76c..25b2f64 100644
--- a/src/or/routerlist.h
+++ b/src/or/routerlist.h
@@ -62,10 +62,10 @@ int router_skip_or_reachability(const or_options_t *options, int try_ip_pref);
int router_get_my_share_of_directory_requests(double *v3_share_out);
void router_reset_status_download_failures(void);
int routers_have_same_or_addrs(const routerinfo_t *r1, const routerinfo_t *r2);
-void router_add_running_nodes_to_smartlist(smartlist_t *sl, int allow_invalid,
- int need_uptime, int need_capacity,
- int need_guard, int need_desc,
- int pref_addr, int direct_conn);
+void router_add_running_nodes_to_smartlist(smartlist_t *sl, int need_uptime,
+ int need_capacity, int need_guard,
+ int need_desc, int pref_addr,
+ int direct_conn);
const routerinfo_t *routerlist_find_my_routerinfo(void);
uint32_t router_get_advertised_bandwidth(const routerinfo_t *router);
diff --git a/src/test/test_options.c b/src/test/test_options.c
index 1ba6a05..43aa907 100644
--- a/src/test/test_options.c
+++ b/src/test/test_options.c
@@ -2008,56 +2008,6 @@ test_options_validate__entry_nodes(void *ignored)
}
static void
-test_options_validate__invalid_nodes(void *ignored)
-{
- (void)ignored;
- int ret;
- char *msg;
- options_test_data_t *tdata = get_options_test_data(
- "AllowInvalidNodes something_stupid\n"
- "MaxClientCircuitsPending 1\n"
- "ConnLimit 1\n"
- "SchedulerHighWaterMark__ 42\n"
- "SchedulerLowWaterMark__ 10\n");
-
- ret = options_validate(tdata->old_opt, tdata->opt, tdata->def_opt, 0, &msg);
- tt_int_op(ret, OP_EQ, -1);
- tt_str_op(msg, OP_EQ,
- "Unrecognized value 'something_stupid' in AllowInvalidNodes");
- tor_free(msg);
-
- free_options_test_data(tdata);
- tdata = get_options_test_data("AllowInvalidNodes entry, middle, exit\n"
- "MaxClientCircuitsPending 1\n"
- "ConnLimit 1\n"
- "SchedulerHighWaterMark__ 42\n"
- "SchedulerLowWaterMark__ 10\n");
-
- ret = options_validate(tdata->old_opt, tdata->opt, tdata->def_opt, 0, &msg);
- tt_int_op(ret, OP_EQ, -1);
- tt_int_op(tdata->opt->AllowInvalid_, OP_EQ, ALLOW_INVALID_ENTRY |
- ALLOW_INVALID_EXIT | ALLOW_INVALID_MIDDLE);
- tor_free(msg);
-
- free_options_test_data(tdata);
- tdata = get_options_test_data("AllowInvalidNodes introduction, rendezvous\n"
- "MaxClientCircuitsPending 1\n"
- "ConnLimit 1\n"
- "SchedulerHighWaterMark__ 42\n"
- "SchedulerLowWaterMark__ 10\n");
-
- ret = options_validate(tdata->old_opt, tdata->opt, tdata->def_opt, 0, &msg);
- tt_int_op(ret, OP_EQ, -1);
- tt_int_op(tdata->opt->AllowInvalid_, OP_EQ, ALLOW_INVALID_INTRODUCTION |
- ALLOW_INVALID_RENDEZVOUS);
- tor_free(msg);
-
- done:
- free_options_test_data(tdata);
- tor_free(msg);
-}
-
-static void
test_options_validate__safe_logging(void *ignored)
{
(void)ignored;
@@ -4530,7 +4480,6 @@ struct testcase_t options_tests[] = {
LOCAL_VALIDATE_TEST(reachable_addresses),
LOCAL_VALIDATE_TEST(use_bridges),
LOCAL_VALIDATE_TEST(entry_nodes),
- LOCAL_VALIDATE_TEST(invalid_nodes),
LOCAL_VALIDATE_TEST(safe_logging),
LOCAL_VALIDATE_TEST(publish_server_descriptor),
LOCAL_VALIDATE_TEST(testing),
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