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Diffstat (limited to 'src/or/router.c')
-rw-r--r--src/or/router.c168
1 files changed, 103 insertions, 65 deletions
diff --git a/src/or/router.c b/src/or/router.c
index 38f1cdd49..1cac63a3a 100644
--- a/src/or/router.c
+++ b/src/or/router.c
@@ -27,6 +27,9 @@
#include "router.h"
#include "routerlist.h"
#include "routerparse.h"
+#include "statefile.h"
+#include "transports.h"
+#include "routerset.h"
/**
* \file router.c
@@ -84,7 +87,7 @@ static authority_cert_t *legacy_key_certificate = NULL;
static void
set_onion_key(crypto_pk_t *k)
{
- if (onionkey && !crypto_pk_cmp_keys(onionkey, k)) {
+ if (onionkey && crypto_pk_eq_keys(onionkey, k)) {
/* k is already our onion key; free it and return */
crypto_pk_free(k);
return;
@@ -152,12 +155,11 @@ assert_identity_keys_ok(void)
if (public_server_mode(get_options())) {
/* assert that we have set the client and server keys to be equal */
tor_assert(server_identitykey);
- tor_assert(0==crypto_pk_cmp_keys(client_identitykey, server_identitykey));
+ tor_assert(crypto_pk_eq_keys(client_identitykey, server_identitykey));
} else {
/* assert that we have set the client and server keys to be unequal */
if (server_identitykey)
- tor_assert(0!=crypto_pk_cmp_keys(client_identitykey,
- server_identitykey));
+ tor_assert(!crypto_pk_eq_keys(client_identitykey, server_identitykey));
}
}
@@ -397,7 +399,7 @@ load_authority_keyset(int legacy, crypto_pk_t **key_out,
log_warn(LD_DIR, "Unable to parse certificate in %s", fname);
goto done;
}
- if (crypto_pk_cmp_keys(signing_key, parsed->signing_key) != 0) {
+ if (!crypto_pk_eq_keys(signing_key, parsed->signing_key)) {
log_warn(LD_DIR, "Stored signing key does not match signing key in "
"certificate");
goto done;
@@ -671,7 +673,7 @@ init_keys(void)
* we don't really need new keys yet so the descriptor doesn't
* change and the old one is still fresh. */
log_info(LD_GENERAL, "Couldn't add own descriptor to directory "
- "after key init: %s. This is usually not a problem.",
+ "after key init: %s This is usually not a problem.",
m?m:"<unknown error>");
}
}
@@ -879,6 +881,21 @@ decide_to_advertise_dirport(const or_options_t *options, uint16_t dir_port)
return advertising ? dir_port : 0;
}
+/** Allocate and return a new extend_info_t that can be used to build
+ * a circuit to or through the router <b>r</b>. Use the primary
+ * address of the router unless <b>for_direct_connect</b> is true, in
+ * which case the preferred address is used instead. */
+static extend_info_t *
+extend_info_from_router(const routerinfo_t *r)
+{
+ tor_addr_port_t ap;
+ tor_assert(r);
+
+ router_get_prim_orport(r, &ap);
+ return extend_info_new(r->nickname, r->cache_info.identity_digest,
+ r->onion_pkey, &ap.addr, ap.port);
+}
+
/** Some time has passed, or we just got new directory information.
* See if we currently believe our ORPort or DirPort to be
* unreachable. If so, launch a new test for it.
@@ -920,12 +937,11 @@ consider_testing_reachability(int test_or, int test_dir)
}
if (test_or && (!orport_reachable || !circuit_enough_testing_circs())) {
- extend_info_t *ei;
+ extend_info_t *ei = extend_info_from_router(me);
+ /* XXX IPv6 self testing */
log_info(LD_CIRC, "Testing %s of my ORPort: %s:%d.",
!orport_reachable ? "reachability" : "bandwidth",
me->address, me->or_port);
- /* XXX IPv6 self testing IPv6 orports will need pref_addr */
- ei = extend_info_from_router(me, 0);
circuit_launch_by_extend_info(CIRCUIT_PURPOSE_TESTING, ei,
CIRCLAUNCH_NEED_CAPACITY|CIRCLAUNCH_IS_INTERNAL);
extend_info_free(ei);
@@ -939,11 +955,10 @@ consider_testing_reachability(int test_or, int test_dir)
/* ask myself, via tor, for my server descriptor. */
directory_initiate_command(me->address, &addr,
me->or_port, me->dir_port,
- 0, /* does not matter */
- 0, me->cache_info.identity_digest,
+ me->cache_info.identity_digest,
DIR_PURPOSE_FETCH_SERVERDESC,
ROUTER_PURPOSE_GENERAL,
- 1, "authority.z", NULL, 0, 0);
+ DIRIND_ANON_DIRPORT, "authority.z", NULL, 0, 0);
}
}
@@ -955,7 +970,7 @@ router_orport_found_reachable(void)
if (!can_reach_or_port && me) {
log_notice(LD_OR,"Self-testing indicates your ORPort is reachable from "
"the outside. Excellent.%s",
- get_options()->_PublishServerDescriptor != NO_DIRINFO ?
+ get_options()->PublishServerDescriptor_ != NO_DIRINFO ?
" Publishing server descriptor." : "");
can_reach_or_port = 1;
mark_my_descriptor_dirty("ORPort found reachable");
@@ -998,9 +1013,9 @@ router_perform_bandwidth_test(int num_circs, time_t now)
CIRCUIT_PURPOSE_TESTING))) {
/* dump cells_per_circuit drop cells onto this circ */
int i = cells_per_circuit;
- if (circ->_base.state != CIRCUIT_STATE_OPEN)
+ if (circ->base_.state != CIRCUIT_STATE_OPEN)
continue;
- circ->_base.timestamp_dirty = now;
+ circ->base_.timestamp_dirty = now;
while (i-- > 0) {
if (relay_send_command_from_edge(0, TO_CIRCUIT(circ),
RELAY_COMMAND_DROP,
@@ -1194,7 +1209,7 @@ decide_if_publishable_server(void)
if (options->ClientOnly)
return 0;
- if (options->_PublishServerDescriptor == NO_DIRINFO)
+ if (options->PublishServerDescriptor_ == NO_DIRINFO)
return 0;
if (!server_mode(options))
return 0;
@@ -1315,7 +1330,7 @@ router_upload_dir_desc_to_dirservers(int force)
extrainfo_t *ei;
char *msg;
size_t desc_len, extra_len = 0, total_len;
- dirinfo_type_t auth = get_options()->_PublishServerDescriptor;
+ dirinfo_type_t auth = get_options()->PublishServerDescriptor_;
ri = router_get_my_routerinfo();
if (!ri) {
@@ -1362,14 +1377,14 @@ router_compare_to_my_exit_policy(edge_connection_t *conn)
/* make sure it's resolved to something. this way we can't get a
'maybe' below. */
- if (tor_addr_is_null(&conn->_base.addr))
+ if (tor_addr_is_null(&conn->base_.addr))
return -1;
/* XXXX IPv6 */
- if (tor_addr_family(&conn->_base.addr) != AF_INET)
+ if (tor_addr_family(&conn->base_.addr) != AF_INET)
return -1;
- return compare_tor_addr_to_addr_policy(&conn->_base.addr, conn->_base.port,
+ return compare_tor_addr_to_addr_policy(&conn->base_.addr, conn->base_.port,
desc_routerinfo->exit_policy) != ADDR_POLICY_ACCEPTED;
}
@@ -1539,8 +1554,9 @@ router_rebuild_descriptor(int force)
ri->cache_info.published_on = time(NULL);
ri->onion_pkey = crypto_pk_dup_key(get_onion_key()); /* must invoke from
* main thread */
- if (options->BridgeRelay) {
- /* For now, only bridges advertise an ipv6 or-address. And only one. */
+
+ /* For now, at most one IPv6 or-address is being advertised. */
+ {
const port_cfg_t *ipv6_orport = NULL;
SMARTLIST_FOREACH_BEGIN(get_configured_ports(), const port_cfg_t *, p) {
if (p->type == CONN_TYPE_OR_LISTENER &&
@@ -1565,6 +1581,7 @@ router_rebuild_descriptor(int force)
ri->ipv6_orport = ipv6_orport->port;
}
}
+
ri->identity_pkey = crypto_pk_dup_key(get_server_identity_key());
if (crypto_pk_get_digest(ri->identity_pkey,
ri->cache_info.identity_digest)<0) {
@@ -1779,7 +1796,7 @@ void
mark_my_descriptor_dirty(const char *reason)
{
const or_options_t *options = get_options();
- if (server_mode(options) && options->_PublishServerDescriptor)
+ if (server_mode(options) && options->PublishServerDescriptor_)
log_info(LD_OR, "Decided to publish new relay descriptor: %s", reason);
desc_clean_since = 0;
if (!desc_dirty_reason)
@@ -1911,7 +1928,7 @@ router_new_address_suggestion(const char *suggestion,
/* Don't believe anybody who says our IP is, say, 127.0.0.1. */
return;
}
- if (tor_addr_eq(&d_conn->_base.addr, &addr)) {
+ if (tor_addr_eq(&d_conn->base_.addr, &addr)) {
/* Don't believe anybody who says our IP is their IP. */
log_debug(LD_DIR, "A directory server told us our IP address is %s, "
"but he's just reporting his own IP address. Ignoring.",
@@ -1927,7 +1944,7 @@ router_new_address_suggestion(const char *suggestion,
"EXTERNAL_ADDRESS ADDRESS=%s METHOD=DIRSERV",
suggestion);
log_addr_has_changed(LOG_NOTICE, &last_guessed_ip, &addr,
- d_conn->_base.address);
+ d_conn->base_.address);
ip_address_changed(0);
tor_addr_copy(&last_guessed_ip, &addr); /* router_rebuild_descriptor()
will fetch it */
@@ -1990,7 +2007,7 @@ router_dump_router_to_string(char *s, size_t maxlen, routerinfo_t *router,
const or_options_t *options = get_options();
/* Make sure the identity key matches the one in the routerinfo. */
- if (crypto_pk_cmp_keys(ident_key, router->identity_pkey)) {
+ if (!crypto_pk_eq_keys(ident_key, router->identity_pkey)) {
log_warn(LD_BUG,"Tried to sign a router with a private key that didn't "
"match router's public key!");
return -1;
@@ -2054,9 +2071,9 @@ router_dump_router_to_string(char *s, size_t maxlen, routerinfo_t *router,
"router %s %s %d 0 %d\n"
"%s"
"platform %s\n"
- "opt protocols Link 1 2 Circuit 1\n"
+ "protocols Link 1 2 Circuit 1\n"
"published %s\n"
- "opt fingerprint %s\n"
+ "fingerprint %s\n"
"uptime %ld\n"
"bandwidth %d %d %d\n"
"%s%s%s%s"
@@ -2075,15 +2092,15 @@ router_dump_router_to_string(char *s, size_t maxlen, routerinfo_t *router,
(int) router->bandwidthrate,
(int) router->bandwidthburst,
(int) router->bandwidthcapacity,
- has_extra_info_digest ? "opt extra-info-digest " : "",
+ has_extra_info_digest ? "extra-info-digest " : "",
has_extra_info_digest ? extra_info_digest : "",
has_extra_info_digest ? "\n" : "",
- options->DownloadExtraInfo ? "opt caches-extra-info\n" : "",
+ options->DownloadExtraInfo ? "caches-extra-info\n" : "",
onion_pkey, identity_pkey,
family_line,
- we_are_hibernating() ? "opt hibernating 1\n" : "",
- options->HidServDirectoryV2 ? "opt hidden-service-dir\n" : "",
- options->AllowSingleHopExits ? "opt allow-single-hop-exits\n" : "");
+ we_are_hibernating() ? "hibernating 1\n" : "",
+ options->HidServDirectoryV2 ? "hidden-service-dir\n" : "",
+ options->AllowSingleHopExits ? "allow-single-hop-exits\n" : "");
tor_free(family_line);
tor_free(onion_pkey);
@@ -2194,40 +2211,24 @@ router_get_prim_orport(const routerinfo_t *router, tor_addr_port_t *ap_out)
ap_out->port = router->or_port;
}
-/** Return 1 if we prefer the IPv6 address and OR TCP port of
- * <b>router</b>, else 0.
- *
- * We prefer the IPv6 address if the router has one and
- * i) the routerinfo_t says so
- * or
- * ii) the router has no IPv4 address. */
+/** Return 1 if any of <b>router</b>'s addresses are <b>addr</b>.
+ * Otherwise return 0. */
int
-router_ipv6_preferred(const routerinfo_t *router)
+router_has_addr(const routerinfo_t *router, const tor_addr_t *addr)
{
- return (!tor_addr_is_null(&router->ipv6_addr)
- && (router->ipv6_preferred || router->addr == 0));
+ return
+ tor_addr_eq_ipv4h(addr, router->addr) ||
+ tor_addr_eq(&router->ipv6_addr, addr);
}
-/** Copy the preferred OR port (IP address and TCP port) for
- * <b>router</b> into *<b>addr_out</b>. */
-void
-router_get_pref_orport(const routerinfo_t *router, tor_addr_port_t *ap_out)
-{
- if (router_ipv6_preferred(router))
- router_get_pref_ipv6_orport(router, ap_out);
- else
- router_get_prim_orport(router, ap_out);
-}
-
-/** Copy the preferred IPv6 OR port (IP address and TCP port) for
- * <b>router</b> into *<b>ap_out</b>. */
-void
-router_get_pref_ipv6_orport(const routerinfo_t *router,
- tor_addr_port_t *ap_out)
+int
+router_has_orport(const routerinfo_t *router, const tor_addr_port_t *orport)
{
- tor_assert(ap_out != NULL);
- tor_addr_copy(&ap_out->addr, &router->ipv6_addr);
- ap_out->port = router->ipv6_orport;
+ return
+ (tor_addr_eq_ipv4h(&orport->addr, router->addr) &&
+ orport->port == router->or_port) ||
+ (tor_addr_eq(&orport->addr, &router->ipv6_addr) &&
+ orport->port == router->ipv6_orport);
}
/** Load the contents of <b>filename</b>, find the last line starting with
@@ -2312,9 +2313,12 @@ extrainfo_dump_to_string(char **s_out, extrainfo_t *extrainfo,
tor_free(bandwidth_usage);
smartlist_add(chunks, pre);
- if (geoip_is_loaded()) {
- smartlist_add_asprintf(chunks, "geoip-db-digest %s\n", geoip_db_digest());
- }
+ if (geoip_is_loaded(AF_INET))
+ smartlist_add_asprintf(chunks, "geoip-db-digest %s\n",
+ geoip_db_digest(AF_INET));
+ if (geoip_is_loaded(AF_INET6))
+ smartlist_add_asprintf(chunks, "geoip6-db-digest %s\n",
+ geoip_db_digest(AF_INET6));
if (options->ExtraInfoStatistics && write_stats_to_extrainfo) {
log_info(LD_GENERAL, "Adding stats to extra-info descriptor.");
@@ -2345,6 +2349,13 @@ extrainfo_dump_to_string(char **s_out, extrainfo_t *extrainfo,
}
}
+ /* Add information about the pluggable transports we support. */
+ if (options->ServerTransportPlugin) {
+ char *pluggable_transports = pt_get_extra_info_descriptor_string();
+ if (pluggable_transports)
+ smartlist_add(chunks, pluggable_transports);
+ }
+
if (should_record_bridge_info(options) && write_stats_to_extrainfo) {
const char *bridge_stats = geoip_get_bridge_stats_extrainfo(now);
if (bridge_stats) {
@@ -2754,3 +2765,30 @@ router_free_all(void)
}
}
+/** Return a smartlist of tor_addr_port_t's with all the OR ports of
+ <b>ri</b>. Note that freeing of the items in the list as well as
+ the smartlist itself is the callers responsibility.
+
+ XXX duplicating code from node_get_all_orports(). */
+smartlist_t *
+router_get_all_orports(const routerinfo_t *ri)
+{
+ smartlist_t *sl = smartlist_new();
+ tor_assert(ri);
+
+ if (ri->addr != 0) {
+ tor_addr_port_t *ap = tor_malloc(sizeof(tor_addr_port_t));
+ tor_addr_from_ipv4h(&ap->addr, ri->addr);
+ ap->port = ri->or_port;
+ smartlist_add(sl, ap);
+ }
+ if (!tor_addr_is_null(&ri->ipv6_addr)) {
+ tor_addr_port_t *ap = tor_malloc(sizeof(tor_addr_port_t));
+ tor_addr_copy(&ap->addr, &ri->ipv6_addr);
+ ap->port = ri->or_port;
+ smartlist_add(sl, ap);
+ }
+
+ return sl;
+}
+