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-rw-r--r--src/or/buffers.c9
-rw-r--r--src/or/circuitlist.c6
-rw-r--r--src/or/config.c5
-rw-r--r--src/or/control.c6
-rw-r--r--src/or/cpuworker.c4
-rw-r--r--src/or/dns.c72
-rw-r--r--src/or/dnsserv.c4
-rw-r--r--src/or/eventdns_tor.h22
-rw-r--r--src/or/include.am8
-rw-r--r--src/or/main.c14
-rw-r--r--src/or/ntmain.c4
-rw-r--r--src/or/onion.c15
-rw-r--r--src/or/onion_fast.c8
-rw-r--r--src/or/onion_ntor.c5
-rw-r--r--src/or/onion_tap.c12
-rw-r--r--src/or/or.h8
-rw-r--r--src/or/periodic.c4
-rw-r--r--src/or/policies.c114
-rw-r--r--src/or/policies.h7
-rw-r--r--src/or/relay.c9
-rw-r--r--src/or/rendclient.c21
-rw-r--r--src/or/scheduler.c4
22 files changed, 159 insertions, 202 deletions
diff --git a/src/or/buffers.c b/src/or/buffers.c
index 8b9a53c699..970d17ee41 100644
--- a/src/or/buffers.c
+++ b/src/or/buffers.c
@@ -405,7 +405,7 @@ static chunk_t *
buf_add_chunk_with_capacity(buf_t *buf, size_t capacity, int capped)
{
chunk_t *chunk;
- struct timeval now;
+
if (CHUNK_ALLOC_SIZE(capacity) < buf->default_chunk_size) {
chunk = chunk_new_with_alloc_size(buf->default_chunk_size);
} else if (capped && CHUNK_ALLOC_SIZE(capacity) > MAX_CHUNK_ALLOC) {
@@ -414,8 +414,7 @@ buf_add_chunk_with_capacity(buf_t *buf, size_t capacity, int capped)
chunk = chunk_new_with_alloc_size(preferred_chunk_size(capacity));
}
- tor_gettimeofday_cached_monotonic(&now);
- chunk->inserted_time = (uint32_t)tv_to_msec(&now);
+ chunk->inserted_time = (uint32_t)monotime_coarse_absolute_msec();
if (buf->tail) {
tor_assert(buf->head);
@@ -430,8 +429,8 @@ buf_add_chunk_with_capacity(buf_t *buf, size_t capacity, int capped)
}
/** Return the age of the oldest chunk in the buffer <b>buf</b>, in
- * milliseconds. Requires the current time, in truncated milliseconds since
- * the epoch, as its input <b>now</b>.
+ * milliseconds. Requires the current monotonic time, in truncated msec,
+ * as its input <b>now</b>.
*/
uint32_t
buf_get_oldest_chunk_timestamp(const buf_t *buf, uint32_t now)
diff --git a/src/or/circuitlist.c b/src/or/circuitlist.c
index d2ba7d4781..5c691644a4 100644
--- a/src/or/circuitlist.c
+++ b/src/or/circuitlist.c
@@ -2015,7 +2015,7 @@ circuit_max_queued_cell_age(const circuit_t *c, uint32_t now)
/** Return the age in milliseconds of the oldest buffer chunk on <b>conn</b>,
* where age is taken in milliseconds before the time <b>now</b> (in truncated
- * milliseconds since the epoch). If the connection has no data, treat
+ * absolute monotonic msec). If the connection has no data, treat
* it as having age zero.
**/
static uint32_t
@@ -2138,7 +2138,6 @@ circuits_handle_oom(size_t current_allocation)
size_t mem_recovered=0;
int n_circuits_killed=0;
int n_dirconns_killed=0;
- struct timeval now;
uint32_t now_ms;
log_notice(LD_GENERAL, "We're low on memory. Killing circuits with "
"over-long queues. (This behavior is controlled by "
@@ -2152,8 +2151,7 @@ circuits_handle_oom(size_t current_allocation)
mem_to_recover = current_allocation - mem_target;
}
- tor_gettimeofday_cached_monotonic(&now);
- now_ms = (uint32_t)tv_to_msec(&now);
+ now_ms = (uint32_t)monotime_coarse_absolute_msec();
circlist = circuit_get_global_list();
SMARTLIST_FOREACH_BEGIN(circlist, circuit_t *, circ) {
diff --git a/src/or/config.c b/src/or/config.c
index a677f21955..55be06cf00 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -244,6 +244,7 @@ static config_var_t option_vars_[] = {
V(ExitNodes, ROUTERSET, NULL),
V(ExitPolicy, LINELIST, NULL),
V(ExitPolicyRejectPrivate, BOOL, "1"),
+ V(ExitPolicyRejectLocalInterfaces, BOOL, "0"),
V(ExitPortStatistics, BOOL, "0"),
V(ExtendAllowPrivateAddresses, BOOL, "0"),
V(ExitRelay, AUTOBOOL, "auto"),
@@ -4316,6 +4317,8 @@ options_transition_affects_descriptor(const or_options_t *old_options,
old_options->ExitRelay != new_options->ExitRelay ||
old_options->ExitPolicyRejectPrivate !=
new_options->ExitPolicyRejectPrivate ||
+ old_options->ExitPolicyRejectLocalInterfaces !=
+ new_options->ExitPolicyRejectLocalInterfaces ||
old_options->IPv6Exit != new_options->IPv6Exit ||
!config_lines_eq(old_options->ORPort_lines,
new_options->ORPort_lines) ||
@@ -7199,8 +7202,6 @@ init_libevent(const or_options_t *options)
*/
suppress_libevent_log_msg("Function not implemented");
- tor_check_libevent_header_compatibility();
-
memset(&cfg, 0, sizeof(cfg));
cfg.disable_iocp = options->DisableIOCP;
cfg.num_cpus = get_num_cpus(options);
diff --git a/src/or/control.c b/src/or/control.c
index d3613d8d4f..21f48aff12 100644
--- a/src/or/control.c
+++ b/src/or/control.c
@@ -51,11 +51,7 @@
#include <sys/resource.h>
#endif
-#ifdef HAVE_EVENT2_EVENT_H
#include <event2/event.h>
-#else
-#include <event.h>
-#endif
#include "crypto_s2k.h"
#include "procmon.h"
@@ -3025,7 +3021,7 @@ static const getinfo_item_t getinfo_items[] = {
" ExitPolicyRejectPrivate."),
ITEM("exit-policy/reject-private/relay", policies,
"The relay-specific rules appended to the configured exit policy by"
- " ExitPolicyRejectPrivate."),
+ " ExitPolicyRejectPrivate and/or ExitPolicyRejectLocalInterfaces."),
ITEM("exit-policy/full", policies, "The entire exit policy of onion router"),
ITEM("exit-policy/ipv4", policies, "IPv4 parts of exit policy"),
ITEM("exit-policy/ipv6", policies, "IPv6 parts of exit policy"),
diff --git a/src/or/cpuworker.c b/src/or/cpuworker.c
index 3109d5a177..2e76ea5b78 100644
--- a/src/or/cpuworker.c
+++ b/src/or/cpuworker.c
@@ -23,11 +23,7 @@
#include "router.h"
#include "workqueue.h"
-#ifdef HAVE_EVENT2_EVENT_H
#include <event2/event.h>
-#else
-#include <event.h>
-#endif
static void queue_pending_tasks(void);
diff --git a/src/or/dns.c b/src/or/dns.c
index c7adfbc971..aaffad77fc 100644
--- a/src/or/dns.c
+++ b/src/or/dns.c
@@ -27,61 +27,8 @@
#include "router.h"
#include "ht.h"
#include "sandbox.h"
-#ifdef HAVE_EVENT2_DNS_H
#include <event2/event.h>
#include <event2/dns.h>
-#else
-#include <event.h>
-#include "eventdns.h"
-#ifndef HAVE_EVDNS_SET_DEFAULT_OUTGOING_BIND_ADDRESS
-#define HAVE_EVDNS_SET_DEFAULT_OUTGOING_BIND_ADDRESS
-#endif
-#endif
-
-#ifndef HAVE_EVENT2_DNS_H
-struct evdns_base;
-struct evdns_request;
-#define evdns_base_new(x,y) tor_malloc(1)
-#define evdns_base_clear_nameservers_and_suspend(base) \
- evdns_clear_nameservers_and_suspend()
-#define evdns_base_search_clear(base) evdns_search_clear()
-#define evdns_base_set_default_outgoing_bind_address(base, a, len) \
- evdns_set_default_outgoing_bind_address((a),(len))
-#define evdns_base_resolv_conf_parse(base, options, fname) \
- evdns_resolv_conf_parse((options), (fname))
-#define evdns_base_count_nameservers(base) \
- evdns_count_nameservers()
-#define evdns_base_resume(base) \
- evdns_resume()
-#define evdns_base_config_windows_nameservers(base) \
- evdns_config_windows_nameservers()
-#define evdns_base_set_option_(base, opt, val) \
- evdns_set_option((opt),(val),DNS_OPTIONS_ALL)
-/* Note: our internal eventdns.c, plus Libevent 1.4, used a 1 return to
- * signify failure to launch a resolve. Libevent 2.0 uses a -1 return to
- * signify a failure on a resolve, though if we're on Libevent 2.0, we should
- * have event2/dns.h and never hit these macros. Regardless, 0 is success. */
-#define evdns_base_resolve_ipv4(base, addr, options, cb, ptr) \
- ((evdns_resolve_ipv4((addr), (options), (cb), (ptr))!=0) \
- ? NULL : ((void*)1))
-#define evdns_base_resolve_ipv6(base, addr, options, cb, ptr) \
- ((evdns_resolve_ipv6((addr), (options), (cb), (ptr))!=0) \
- ? NULL : ((void*)1))
-#define evdns_base_resolve_reverse(base, addr, options, cb, ptr) \
- ((evdns_resolve_reverse((addr), (options), (cb), (ptr))!=0) \
- ? NULL : ((void*)1))
-#define evdns_base_resolve_reverse_ipv6(base, addr, options, cb, ptr) \
- ((evdns_resolve_reverse_ipv6((addr), (options), (cb), (ptr))!=0) \
- ? NULL : ((void*)1))
-
-#elif defined(LIBEVENT_VERSION_NUMBER) && LIBEVENT_VERSION_NUMBER < 0x02000303
-#define evdns_base_set_option_(base, opt, val) \
- evdns_base_set_option((base), (opt),(val),DNS_OPTIONS_ALL)
-
-#else
-#define evdns_base_set_option_ evdns_base_set_option
-
-#endif
/** How long will we wait for an answer from the resolver before we decide
* that the resolver is wedged? */
@@ -1373,23 +1320,6 @@ configure_nameservers(int force)
}
}
-#ifdef HAVE_EVDNS_SET_DEFAULT_OUTGOING_BIND_ADDRESS
- if (! tor_addr_is_null(&options->OutboundBindAddressIPv4_)) {
- int socklen;
- struct sockaddr_storage ss;
- socklen = tor_addr_to_sockaddr(&options->OutboundBindAddressIPv4_, 0,
- (struct sockaddr *)&ss, sizeof(ss));
- if (socklen <= 0) {
- log_warn(LD_BUG, "Couldn't convert outbound bind address to sockaddr."
- " Ignoring.");
- } else {
- evdns_base_set_default_outgoing_bind_address(the_evdns_base,
- (struct sockaddr *)&ss,
- socklen);
- }
- }
-#endif
-
evdns_set_log_fn(evdns_log_cb);
if (conf_fname) {
log_debug(LD_FS, "stat()ing %s", conf_fname);
@@ -1454,7 +1384,7 @@ configure_nameservers(int force)
}
#endif
-#define SET(k,v) evdns_base_set_option_(the_evdns_base, (k), (v))
+#define SET(k,v) evdns_base_set_option(the_evdns_base, (k), (v))
if (evdns_base_count_nameservers(the_evdns_base) == 1) {
SET("max-timeouts:", "16");
diff --git a/src/or/dnsserv.c b/src/or/dnsserv.c
index edca50f6f9..6aab1e2c36 100644
--- a/src/or/dnsserv.c
+++ b/src/or/dnsserv.c
@@ -17,14 +17,10 @@
#include "control.h"
#include "main.h"
#include "policies.h"
-#ifdef HAVE_EVENT2_DNS_H
#include <event2/dns.h>
#include <event2/dns_compat.h>
/* XXXX this implies we want an improved evdns */
#include <event2/dns_struct.h>
-#else
-#include "eventdns.h"
-#endif
/** Helper function: called by evdns whenever the client sends a request to our
* DNSPort. We need to eventually answer the request <b>req</b>.
diff --git a/src/or/eventdns_tor.h b/src/or/eventdns_tor.h
deleted file mode 100644
index 5db09ae043..0000000000
--- a/src/or/eventdns_tor.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* Copyright (c) 2007-2016, The Tor Project, Inc. */
-/* See LICENSE for licensing information */
-
-#ifndef TOR_EVENTDNS_TOR_H
-#define TOR_EVENTDNS_TOR_H
-
-#include "orconfig.h"
-#define DNS_USE_OPENSSL_FOR_ID
-#ifndef HAVE_UINT
-typedef unsigned int uint;
-#endif
-#ifndef HAVE_U_CHAR
-typedef unsigned char u_char;
-#endif
-#include "torint.h"
-
-/* These are for debugging possible memory leaks. */
-#include "util.h"
-#include "compat.h"
-
-#endif
-
diff --git a/src/or/include.am b/src/or/include.am
index 744a507402..3988eefb94 100644
--- a/src/or/include.am
+++ b/src/or/include.am
@@ -17,12 +17,6 @@ endif
EXTRA_DIST+= src/or/ntmain.c src/or/Makefile.nmake
-if USE_EXTERNAL_EVDNS
-evdns_source=
-else
-evdns_source=src/ext/eventdns.c
-endif
-
LIBTOR_A_SOURCES = \
src/or/addressmap.c \
src/or/buffers.c \
@@ -86,7 +80,6 @@ LIBTOR_A_SOURCES = \
src/or/status.c \
src/or/torcert.c \
src/or/onion_ntor.c \
- $(evdns_source) \
$(tor_platform_source)
src_or_libtor_a_SOURCES = $(LIBTOR_A_SOURCES)
@@ -157,7 +150,6 @@ ORHEADERS = \
src/or/dns.h \
src/or/dns_structs.h \
src/or/dnsserv.h \
- src/or/eventdns_tor.h \
src/or/ext_orport.h \
src/or/fallback_dirs.inc \
src/or/fp_pair.h \
diff --git a/src/or/main.c b/src/or/main.c
index 4fc1498a98..76af910b3e 100644
--- a/src/or/main.c
+++ b/src/or/main.c
@@ -69,11 +69,7 @@
#include "memarea.h"
#include "sandbox.h"
-#ifdef HAVE_EVENT2_EVENT_H
#include <event2/event.h>
-#else
-#include <event.h>
-#endif
#ifdef USE_BUFFEREVENTS
#include <event2/bufferevent.h>
@@ -2221,8 +2217,8 @@ ip_address_changed(int at_interface)
{
const or_options_t *options = get_options();
int server = server_mode(options);
- int exit_reject_private = (server && options->ExitRelay
- && options->ExitPolicyRejectPrivate);
+ int exit_reject_interfaces = (server && options->ExitRelay
+ && options->ExitPolicyRejectLocalInterfaces);
if (at_interface) {
if (! server) {
@@ -2240,8 +2236,8 @@ ip_address_changed(int at_interface)
}
/* Exit relays incorporate interface addresses in their exit policies when
- * ExitPolicyRejectPrivate is set */
- if (exit_reject_private || (server && !at_interface)) {
+ * ExitPolicyRejectLocalInterfaces is set */
+ if (exit_reject_interfaces || (server && !at_interface)) {
mark_my_descriptor_dirty("IP address changed");
}
@@ -3650,6 +3646,8 @@ tor_main(int argc, char *argv[])
#endif
}
+ monotime_init();
+
switch (get_options()->command) {
case CMD_RUN_TOR:
#ifdef NT_SERVICE
diff --git a/src/or/ntmain.c b/src/or/ntmain.c
index ded0e0d307..a1b886bb5a 100644
--- a/src/or/ntmain.c
+++ b/src/or/ntmain.c
@@ -16,11 +16,7 @@
#include "main.h"
#include "ntmain.h"
-#ifdef HAVE_EVENT2_EVENT_H
#include <event2/event.h>
-#else
-#include <event.h>
-#endif
#include <windows.h>
#define GENSRV_SERVICENAME "tor"
diff --git a/src/or/onion.c b/src/or/onion.c
index 7c7f97fc42..5495074a83 100644
--- a/src/or/onion.c
+++ b/src/or/onion.c
@@ -130,9 +130,12 @@ onion_pending_add(or_circuit_t *circ, create_cell_t *onionskin)
time_t now = time(NULL);
if (onionskin->handshake_type > MAX_ONION_HANDSHAKE_TYPE) {
+ /* LCOV_EXCL_START
+ * We should have rejected this far before this point */
log_warn(LD_BUG, "Handshake %d out of range! Dropping.",
onionskin->handshake_type);
return -1;
+ /* LCOV_EXCL_STOP */
}
tmp = tor_malloc_zero(sizeof(onion_queue_t));
@@ -305,10 +308,13 @@ static void
onion_queue_entry_remove(onion_queue_t *victim)
{
if (victim->handshake_type > MAX_ONION_HANDSHAKE_TYPE) {
+ /* LCOV_EXCL_START
+ * We should have rejected this far before this point */
log_warn(LD_BUG, "Handshake %d out of range! Dropping.",
victim->handshake_type);
/* XXX leaks */
return;
+ /* LCOV_EXCL_STOP */
}
TOR_TAILQ_REMOVE(&ol_list[victim->handshake_type], victim, next);
@@ -391,9 +397,12 @@ onion_handshake_state_release(onion_handshake_state_t *state)
state->u.ntor = NULL;
break;
default:
+ /* LCOV_EXCL_START
+ * This state should not even exist. */
log_warn(LD_BUG, "called with unknown handshake state type %d",
(int)state->tag);
tor_fragile_assert();
+ /* LCOV_EXCL_STOP */
}
}
@@ -441,9 +450,12 @@ onion_skin_create(int type,
r = NTOR_ONIONSKIN_LEN;
break;
default:
+ /* LCOV_EXCL_START
+ * We should never try to create an impossible handshake type. */
log_warn(LD_BUG, "called with unknown handshake state type %d", type);
tor_fragile_assert();
r = -1;
+ /* LCOV_EXCL_STOP */
}
if (r > 0)
@@ -512,9 +524,12 @@ onion_skin_server_handshake(int type,
}
break;
default:
+ /* LCOV_EXCL_START
+ * We should have rejected this far before this point */
log_warn(LD_BUG, "called with unknown handshake state type %d", type);
tor_fragile_assert();
return -1;
+ /* LCOV_EXCL_STOP */
}
return r;
diff --git a/src/or/onion_fast.c b/src/or/onion_fast.c
index 1f79860596..6b5d12e407 100644
--- a/src/or/onion_fast.c
+++ b/src/or/onion_fast.c
@@ -59,8 +59,8 @@ fast_server_handshake(const uint8_t *key_in, /* DIGEST_LEN bytes */
memcpy(tmp+DIGEST_LEN, handshake_reply_out, DIGEST_LEN);
out_len = key_out_len+DIGEST_LEN;
out = tor_malloc(out_len);
- if (crypto_expand_key_material_TAP(tmp, sizeof(tmp), out, out_len)) {
- goto done;
+ if (BUG(crypto_expand_key_material_TAP(tmp, sizeof(tmp), out, out_len))) {
+ goto done; // LCOV_EXCL_LINE
}
memcpy(handshake_reply_out+DIGEST_LEN, out, DIGEST_LEN);
memcpy(key_out, out+DIGEST_LEN, key_out_len);
@@ -100,10 +100,12 @@ fast_client_handshake(const fast_handshake_state_t *handshake_state,
memcpy(tmp+DIGEST_LEN, handshake_reply_out, DIGEST_LEN);
out_len = key_out_len+DIGEST_LEN;
out = tor_malloc(out_len);
- if (crypto_expand_key_material_TAP(tmp, sizeof(tmp), out, out_len)) {
+ if (BUG(crypto_expand_key_material_TAP(tmp, sizeof(tmp), out, out_len))) {
+ /* LCOV_EXCL_START */
if (msg_out)
*msg_out = "Failed to expand key material";
goto done;
+ /* LCOV_EXCL_STOP */
}
if (tor_memneq(out, handshake_reply_out+DIGEST_LEN, DIGEST_LEN)) {
/* H(K) does *not* match. Something fishy. */
diff --git a/src/or/onion_ntor.c b/src/or/onion_ntor.c
index 33afc27895..d1a268f4cd 100644
--- a/src/or/onion_ntor.c
+++ b/src/or/onion_ntor.c
@@ -85,8 +85,13 @@ onion_skin_ntor_create(const uint8_t *router_id,
memcpy(state->router_id, router_id, DIGEST_LEN);
memcpy(&state->pubkey_B, router_key, sizeof(curve25519_public_key_t));
if (curve25519_secret_key_generate(&state->seckey_x, 0) < 0) {
+ /* LCOV_EXCL_START
+ * Secret key generation should be unable to fail when the key isn't
+ * marked as "extra-strong" */
+ tor_assert_nonfatal_unreached();
tor_free(state);
return -1;
+ /* LCOV_EXCL_STOP */
}
curve25519_public_key_generate(&state->pubkey_X, &state->seckey_x);
diff --git a/src/or/onion_tap.c b/src/or/onion_tap.c
index bfd472351f..abe779351f 100644
--- a/src/or/onion_tap.c
+++ b/src/or/onion_tap.c
@@ -74,9 +74,13 @@ onion_skin_TAP_create(crypto_pk_t *dest_router_key,
return 0;
err:
+ /* LCOV_EXCL_START
+ * We only get here if RSA encryption fails or DH keygen fails. Those
+ * shouldn't be possible. */
memwipe(challenge, 0, sizeof(challenge));
if (dh) crypto_dh_free(dh);
return -1;
+ /* LCOV_EXCL_STOP */
}
/** Given an encrypted DH public key as generated by onion_skin_create,
@@ -130,12 +134,20 @@ onion_skin_TAP_server_handshake(
dh = crypto_dh_new(DH_TYPE_CIRCUIT);
if (!dh) {
+ /* LCOV_EXCL_START
+ * Failure to allocate a DH key should be impossible.
+ */
log_warn(LD_BUG, "Couldn't allocate DH key");
goto err;
+ /* LCOV_EXCL_STOP */
}
if (crypto_dh_get_public(dh, handshake_reply_out, DH_KEY_LEN)) {
+ /* LCOV_EXCL_START
+ * This can only fail if the length of the key we just allocated is too
+ * big. That should be impossible. */
log_info(LD_GENERAL, "crypto_dh_get_public failed.");
goto err;
+ /* LCOV_EXCP_STOP */
}
key_material_len = DIGEST_LEN+key_out_len;
diff --git a/src/or/or.h b/src/or/or.h
index ed799b98ff..af40cf7e81 100644
--- a/src/or/or.h
+++ b/src/or/or.h
@@ -3588,7 +3588,13 @@ typedef struct {
/** 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 local addresses? */
+ int ExitPolicyRejectPrivate; /**< Should we not exit to reserved private
+ * addresses, and our own published addresses?
+ */
+ int ExitPolicyRejectLocalInterfaces; /**< Should we not exit to local
+ * interface addresses?
+ * Includes OutboundBindAddresses and
+ * configured ports. */
config_line_t *SocksPolicy; /**< Lists of socks policy components */
config_line_t *DirPolicy; /**< Lists of dir policy components */
/** Addresses to bind for listening for SOCKS connections. */
diff --git a/src/or/periodic.c b/src/or/periodic.c
index 057fcf672e..0bccc6ec20 100644
--- a/src/or/periodic.c
+++ b/src/or/periodic.c
@@ -12,11 +12,7 @@
#include "config.h"
#include "periodic.h"
-#ifdef HAVE_EVENT2_EVENT_H
#include <event2/event.h>
-#else
-#include <event.h>
-#endif
/** We disable any interval greater than this number of seconds, on the
* grounds that it is probably an absolute time mistakenly passed in as a
diff --git a/src/or/policies.c b/src/or/policies.c
index 7ddebd6096..0b8f3351fb 100644
--- a/src/or/policies.c
+++ b/src/or/policies.c
@@ -618,7 +618,7 @@ fascist_firewall_allows_ri_impl(const routerinfo_t *ri,
pref_ipv6);
}
-/** Like fascist_firewall_allows_rs, but doesn't consult the node. */
+/** Like fascist_firewall_allows_rs, but takes pref_ipv6. */
static int
fascist_firewall_allows_rs_impl(const routerstatus_t *rs,
firewall_connection_t fw_connection,
@@ -636,10 +636,11 @@ fascist_firewall_allows_rs_impl(const routerstatus_t *rs,
}
/** Like fascist_firewall_allows_base(), but takes rs.
- * Consults the corresponding node, then falls back to rs if node is NULL.
- * This should only happen when there's no valid consensus, and rs doesn't
- * correspond to a bridge client's bridge.
- */
+ * When rs is a fake_status from a dir_server_t, it can have a reachable
+ * address, even when the corresponding node does not.
+ * nodes can be missing addresses when there's no consensus (IPv4 and IPv6),
+ * or when there is a microdescriptor consensus, but no microdescriptors
+ * (microdescriptors have IPv6, the microdesc consensus does not). */
int
fascist_firewall_allows_rs(const routerstatus_t *rs,
firewall_connection_t fw_connection, int pref_only)
@@ -648,21 +649,15 @@ fascist_firewall_allows_rs(const routerstatus_t *rs,
return 0;
}
- const node_t *node = node_get_by_id(rs->identity_digest);
-
- if (node) {
- return fascist_firewall_allows_node(node, fw_connection, pref_only);
- } else {
- /* There's no node-specific IPv6 preference, so use the generic IPv6
- * preference instead. */
- const or_options_t *options = get_options();
- int pref_ipv6 = (fw_connection == FIREWALL_OR_CONNECTION
- ? fascist_firewall_prefer_ipv6_orport(options)
- : fascist_firewall_prefer_ipv6_dirport(options));
+ /* We don't have access to the node-specific IPv6 preference, so use the
+ * generic IPv6 preference instead. */
+ const or_options_t *options = get_options();
+ int pref_ipv6 = (fw_connection == FIREWALL_OR_CONNECTION
+ ? fascist_firewall_prefer_ipv6_orport(options)
+ : fascist_firewall_prefer_ipv6_dirport(options));
- return fascist_firewall_allows_rs_impl(rs, fw_connection, pref_only,
- pref_ipv6);
- }
+ return fascist_firewall_allows_rs_impl(rs, fw_connection, pref_only,
+ pref_ipv6);
}
/** Return true iff we think our firewall will let us make a connection to
@@ -742,8 +737,7 @@ fascist_firewall_allows_dir_server(const dir_server_t *ds,
/* A dir_server_t always has a fake_status. As long as it has the same
* addresses/ports in both fake_status and dir_server_t, this works fine.
* (See #17867.)
- * This function relies on fascist_firewall_choose_address_rs looking up the
- * node if it can, because that will get the latest info for the relay. */
+ * fascist_firewall_allows_rs only checks the addresses in fake_status. */
return fascist_firewall_allows_rs(&ds->fake_status, fw_connection,
pref_only);
}
@@ -1843,10 +1837,18 @@ policies_log_first_redundant_entry(const smartlist_t *policy)
*
* If <b>ipv6_exit</b> is false, prepend "reject *6:*" to the policy.
*
+ * If <b>configured_addresses</b> contains addresses:
+ * - prepend entries that reject the addresses in this list. These may be the
+ * advertised relay addresses and/or the outbound bind addresses,
+ * depending on the ExitPolicyRejectPrivate and
+ * ExitPolicyRejectLocalInterfaces settings.
* If <b>rejectprivate</b> is true:
* - prepend "reject private:*" to the policy.
- * - prepend entries that reject publicly routable addresses on this exit
- * relay by calling policies_parse_exit_policy_reject_private
+ * If <b>reject_interface_addresses</b> is true:
+ * - prepend entries that reject publicly routable interface addresses on
+ * this exit relay by calling policies_parse_exit_policy_reject_private
+ * If <b>reject_configured_port_addresses</b> is true:
+ * - prepend entries that reject all configured port addresses
*
* If cfg doesn't end in an absolute accept or reject and if
* <b>add_default_policy</b> is true, add the default exit
@@ -1874,13 +1876,16 @@ policies_parse_exit_policy_internal(config_line_t *cfg,
if (rejectprivate) {
/* Reject IPv4 and IPv6 reserved private netblocks */
append_exit_policy_string(dest, "reject private:*");
- /* Reject IPv4 and IPv6 publicly routable addresses on this exit relay */
- policies_parse_exit_policy_reject_private(
- dest, ipv6_exit,
+ }
+
+ /* Consider rejecting IPv4 and IPv6 advertised relay addresses, outbound bind
+ * addresses, publicly routable addresses, and configured port addresses
+ * on this exit relay */
+ policies_parse_exit_policy_reject_private(dest, ipv6_exit,
configured_addresses,
reject_interface_addresses,
reject_configured_port_addresses);
- }
+
if (parse_addr_policy(cfg, dest, -1))
return -1;
@@ -1908,8 +1913,14 @@ policies_parse_exit_policy_internal(config_line_t *cfg,
* If <b>EXIT_POLICY_REJECT_PRIVATE</b> bit is set in <b>options</b>:
* - prepend an entry that rejects all destinations in all netblocks
* reserved for private use.
+ * - prepend entries that reject the advertised relay addresses in
+ * configured_addresses
+ * If <b>EXIT_POLICY_REJECT_LOCAL_INTERFACES</b> bit is set in <b>options</b>:
* - prepend entries that reject publicly routable addresses on this exit
* relay by calling policies_parse_exit_policy_internal
+ * - prepend entries that reject the outbound bind addresses in
+ * configured_addresses
+ * - prepend entries that reject all configured port addresses
*
* If <b>EXIT_POLICY_ADD_DEFAULT</b> bit is set in <b>options</b>, append
* default exit policy entries to <b>result</b> smartlist.
@@ -1922,12 +1933,14 @@ policies_parse_exit_policy(config_line_t *cfg, smartlist_t **dest,
int ipv6_enabled = (options & EXIT_POLICY_IPV6_ENABLED) ? 1 : 0;
int reject_private = (options & EXIT_POLICY_REJECT_PRIVATE) ? 1 : 0;
int add_default = (options & EXIT_POLICY_ADD_DEFAULT) ? 1 : 0;
+ int reject_local_interfaces = (options &
+ EXIT_POLICY_REJECT_LOCAL_INTERFACES) ? 1 : 0;
return policies_parse_exit_policy_internal(cfg,dest,ipv6_enabled,
reject_private,
configured_addresses,
- reject_private,
- reject_private,
+ reject_local_interfaces,
+ reject_local_interfaces,
add_default);
}
@@ -1993,6 +2006,7 @@ policies_copy_outbound_addresses_to_smartlist(smartlist_t *addr_list,
* add it to the list of configured addresses.
* - if ipv6_local_address is non-NULL, and not the null tor_addr_t, add it
* to the list of configured addresses.
+ * If <b>or_options->ExitPolicyRejectLocalInterfaces</b> is true:
* - if or_options->OutboundBindAddressIPv4_ is not the null tor_addr_t, add
* it to the list of configured addresses.
* - if or_options->OutboundBindAddressIPv6_ is not the null tor_addr_t, add
@@ -2036,11 +2050,20 @@ policies_parse_exit_policy_from_options(const or_options_t *or_options,
parser_cfg |= EXIT_POLICY_ADD_DEFAULT;
}
+ if (or_options->ExitPolicyRejectLocalInterfaces) {
+ parser_cfg |= EXIT_POLICY_REJECT_LOCAL_INTERFACES;
+ }
+
/* Copy the configured addresses into the tor_addr_t* list */
- policies_copy_ipv4h_to_smartlist(configured_addresses, local_address);
- policies_copy_addr_to_smartlist(configured_addresses, ipv6_local_address);
- policies_copy_outbound_addresses_to_smartlist(configured_addresses,
- or_options);
+ if (or_options->ExitPolicyRejectPrivate) {
+ policies_copy_ipv4h_to_smartlist(configured_addresses, local_address);
+ policies_copy_addr_to_smartlist(configured_addresses, ipv6_local_address);
+ }
+
+ if (or_options->ExitPolicyRejectLocalInterfaces) {
+ policies_copy_outbound_addresses_to_smartlist(configured_addresses,
+ or_options);
+ }
rv = policies_parse_exit_policy(or_options->ExitPolicy, result, parser_cfg,
configured_addresses);
@@ -2822,7 +2845,8 @@ getinfo_helper_policies(control_connection_t *conn,
return -1;
}
- if (!options->ExitPolicyRejectPrivate) {
+ if (!options->ExitPolicyRejectPrivate &&
+ !options->ExitPolicyRejectLocalInterfaces) {
*answer = tor_strdup("");
return 0;
}
@@ -2831,16 +2855,22 @@ getinfo_helper_policies(control_connection_t *conn,
smartlist_t *configured_addresses = smartlist_new();
/* Copy the configured addresses into the tor_addr_t* list */
- policies_copy_ipv4h_to_smartlist(configured_addresses, me->addr);
- policies_copy_addr_to_smartlist(configured_addresses, &me->ipv6_addr);
- policies_copy_outbound_addresses_to_smartlist(configured_addresses,
- options);
+ if (options->ExitPolicyRejectPrivate) {
+ policies_copy_ipv4h_to_smartlist(configured_addresses, me->addr);
+ policies_copy_addr_to_smartlist(configured_addresses, &me->ipv6_addr);
+ }
+
+ if (options->ExitPolicyRejectLocalInterfaces) {
+ policies_copy_outbound_addresses_to_smartlist(configured_addresses,
+ options);
+ }
policies_parse_exit_policy_reject_private(
- &private_policy_list,
- options->IPv6Exit,
- configured_addresses,
- 1, 1);
+ &private_policy_list,
+ options->IPv6Exit,
+ configured_addresses,
+ options->ExitPolicyRejectLocalInterfaces,
+ options->ExitPolicyRejectLocalInterfaces);
*answer = policy_dump_to_string(private_policy_list, 1, 1);
addr_policy_list_free(private_policy_list);
diff --git a/src/or/policies.h b/src/or/policies.h
index aaa6fa0a4e..e134e686d2 100644
--- a/src/or/policies.h
+++ b/src/or/policies.h
@@ -18,9 +18,10 @@
*/
#define POLICY_BUF_LEN 72
-#define EXIT_POLICY_IPV6_ENABLED (1 << 0)
-#define EXIT_POLICY_REJECT_PRIVATE (1 << 1)
-#define EXIT_POLICY_ADD_DEFAULT (1 << 2)
+#define EXIT_POLICY_IPV6_ENABLED (1 << 0)
+#define EXIT_POLICY_REJECT_PRIVATE (1 << 1)
+#define EXIT_POLICY_ADD_DEFAULT (1 << 2)
+#define EXIT_POLICY_REJECT_LOCAL_INTERFACES (1 << 3)
typedef enum firewall_connection_t {
FIREWALL_OR_CONNECTION = 0,
diff --git a/src/or/relay.c b/src/or/relay.c
index fb8c8e74d6..51b33cc92c 100644
--- a/src/or/relay.c
+++ b/src/or/relay.c
@@ -2320,14 +2320,12 @@ cell_queue_append_packed_copy(circuit_t *circ, cell_queue_t *queue,
int exitward, const cell_t *cell,
int wide_circ_ids, int use_stats)
{
- struct timeval now;
packed_cell_t *copy = packed_cell_copy(cell, wide_circ_ids);
(void)circ;
(void)exitward;
(void)use_stats;
- tor_gettimeofday_cached_monotonic(&now);
- copy->inserted_time = (uint32_t)tv_to_msec(&now);
+ copy->inserted_time = (uint32_t) monotime_coarse_absolute_msec();
cell_queue_append(queue, copy);
}
@@ -2628,9 +2626,8 @@ channel_flush_from_first_active_circuit, (channel_t *chan, int max))
if (get_options()->CellStatistics ||
get_options()->TestingEnableCellStatsEvent) {
uint32_t msec_waiting;
- struct timeval tvnow;
- tor_gettimeofday_cached(&tvnow);
- msec_waiting = ((uint32_t)tv_to_msec(&tvnow)) - cell->inserted_time;
+ uint32_t msec_now = (uint32_t)monotime_coarse_absolute_msec();
+ msec_waiting = msec_now - cell->inserted_time;
if (get_options()->CellStatistics && !CIRCUIT_IS_ORIGIN(circ)) {
or_circ = TO_OR_CIRCUIT(circ);
diff --git a/src/or/rendclient.c b/src/or/rendclient.c
index 64d367354b..2d47e12e08 100644
--- a/src/or/rendclient.c
+++ b/src/or/rendclient.c
@@ -469,6 +469,23 @@ rend_client_introduction_acked(origin_circuit_t *circ,
/** The period for which a hidden service directory cannot be queried for
* the same descriptor ID again. */
#define REND_HID_SERV_DIR_REQUERY_PERIOD (15 * 60)
+/** Test networks generate a new consensus every 5 or 10 seconds.
+ * So allow them to requery HSDirs much faster. */
+#define REND_HID_SERV_DIR_REQUERY_PERIOD_TESTING (5)
+
+/** Return the period for which a hidden service directory cannot be queried
+ * for the same descriptor ID again, taking TestingTorNetwork into account. */
+static time_t
+hsdir_requery_period(const or_options_t *options)
+{
+ tor_assert(options);
+
+ if (options->TestingTorNetwork) {
+ return REND_HID_SERV_DIR_REQUERY_PERIOD_TESTING;
+ } else {
+ return REND_HID_SERV_DIR_REQUERY_PERIOD;
+ }
+}
/** Contains the last request times to hidden service directories for
* certain queries; each key is a string consisting of the
@@ -532,7 +549,7 @@ static void
directory_clean_last_hid_serv_requests(time_t now)
{
strmap_iter_t *iter;
- time_t cutoff = now - REND_HID_SERV_DIR_REQUERY_PERIOD;
+ time_t cutoff = now - hsdir_requery_period(get_options());
strmap_t *last_hid_serv_requests = get_last_hid_serv_requests();
for (iter = strmap_iter_init(last_hid_serv_requests);
!strmap_iter_done(iter); ) {
@@ -635,7 +652,7 @@ pick_hsdir(const char *desc_id, const char *desc_id_base32)
time_t last = lookup_last_hid_serv_request(dir, desc_id_base32,
0, 0);
const node_t *node = node_get_by_id(dir->identity_digest);
- if (last + REND_HID_SERV_DIR_REQUERY_PERIOD >= now ||
+ if (last + hsdir_requery_period(options) >= now ||
!node || !node_has_descriptor(node)) {
SMARTLIST_DEL_CURRENT(responsible_dirs, dir);
continue;
diff --git a/src/or/scheduler.c b/src/or/scheduler.c
index 8e4810b199..3fab3026d8 100644
--- a/src/or/scheduler.c
+++ b/src/or/scheduler.c
@@ -15,11 +15,7 @@
#define SCHEDULER_PRIVATE_
#include "scheduler.h"
-#ifdef HAVE_EVENT2_EVENT_H
#include <event2/event.h>
-#else
-#include <event.h>
-#endif
/*
* Scheduler high/low watermarks
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