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-rw-r--r--src/or/routerparse.c100
1 files changed, 75 insertions, 25 deletions
diff --git a/src/or/routerparse.c b/src/or/routerparse.c
index 322a2b5713..678b11971b 100644
--- a/src/or/routerparse.c
+++ b/src/or/routerparse.c
@@ -64,13 +64,13 @@ typedef enum {
K_DIR_OPTIONS,
K_CLIENT_VERSIONS,
K_SERVER_VERSIONS,
+ K_OR_ADDRESS,
K_P,
K_R,
K_S,
K_V,
K_W,
K_M,
- K_EVENTDNS,
K_EXTRA_INFO,
K_EXTRA_INFO_DIGEST,
K_CACHES_EXTRA_INFO,
@@ -287,7 +287,7 @@ static token_rule_t routerdesc_token_table[] = {
T01("family", K_FAMILY, ARGS, NO_OBJ ),
T01("caches-extra-info", K_CACHES_EXTRA_INFO, NO_ARGS, NO_OBJ ),
- T01("eventdns", K_EVENTDNS, ARGS, NO_OBJ ),
+ T0N("or-address", K_OR_ADDRESS, GE(1), NO_OBJ ),
T0N("opt", K_OPT, CONCAT_ARGS, OBJ_OK ),
T1( "bandwidth", K_BANDWIDTH, GE(3), NO_OBJ ),
@@ -543,6 +543,7 @@ static int router_get_hashes_impl(const char *s, size_t s_len,
const char *start_str, const char *end_str,
char end_char);
static void token_clear(directory_token_t *tok);
+static smartlist_t *find_all_by_keyword(smartlist_t *s, directory_keyword k);
static smartlist_t *find_all_exitpolicy(smartlist_t *s);
static directory_token_t *_find_by_keyword(smartlist_t *s,
directory_keyword keyword,
@@ -1357,7 +1358,6 @@ router_parse_entry_from_string(const char *s, const char *end,
tor_assert(tok->n_args >= 5);
router = tor_malloc_zero(sizeof(routerinfo_t));
- router->country = -1;
router->cache_info.routerlist_index = -1;
router->cache_info.annotations_len = s-start_of_annotations + prepend_len;
router->cache_info.signed_descriptor_len = end-s;
@@ -1503,19 +1503,33 @@ router_parse_entry_from_string(const char *s, const char *end,
router->contact_info = tor_strdup(tok->args[0]);
}
- if ((tok = find_opt_by_keyword(tokens, K_EVENTDNS))) {
- router->has_old_dnsworkers = tok->n_args && !strcmp(tok->args[0], "0");
- } else if (router->platform) {
- if (! tor_version_as_new_as(router->platform, "0.1.2.2-alpha"))
- router->has_old_dnsworkers = 1;
- }
-
if (find_opt_by_keyword(tokens, K_REJECT6) ||
find_opt_by_keyword(tokens, K_ACCEPT6)) {
log_warn(LD_DIR, "Rejecting router with reject6/accept6 line: they crash "
"older Tors.");
goto err;
}
+ {
+ smartlist_t *or_addresses = find_all_by_keyword(tokens, K_OR_ADDRESS);
+ if (or_addresses) {
+ SMARTLIST_FOREACH_BEGIN(or_addresses, directory_token_t *, t) {
+ tor_addr_t a;
+ maskbits_t bits;
+ uint16_t port_min, port_max;
+ /* XXXX Prop186 the full spec allows much more than this. */
+ if (tor_addr_parse_mask_ports(t->args[0], &a, &bits, &port_min,
+ &port_max) == AF_INET6 &&
+ bits == 128 &&
+ port_min == port_max) {
+ /* Okay, this is one we can understand. */
+ tor_addr_copy(&router->ipv6_addr, &a);
+ router->ipv6_orport = port_min;
+ break;
+ }
+ } SMARTLIST_FOREACH_END(t);
+ smartlist_free(or_addresses);
+ }
+ }
exit_policy_tokens = find_all_exitpolicy(tokens);
if (!smartlist_len(exit_policy_tokens)) {
log_warn(LD_DIR, "No exit policy tokens in descriptor.");
@@ -1574,8 +1588,6 @@ router_parse_entry_from_string(const char *s, const char *end,
"router descriptor") < 0)
goto err;
- routerinfo_set_country(router);
-
if (!router->or_port) {
log_warn(LD_DIR,"or_port unreadable or 0. Failing.");
goto err;
@@ -1823,9 +1835,9 @@ authority_cert_parse_from_string(const char *s, const char **end_of_string)
struct in_addr in;
char *address = NULL;
tor_assert(tok->n_args);
- /* XXX023 use tor_addr_port_parse() below instead. -RD */
- if (parse_addr_port(LOG_WARN, tok->args[0], &address, NULL,
- &cert->dir_port)<0 ||
+ /* XXX023 use some tor_addr parse function below instead. -RD */
+ if (tor_addr_port_split(LOG_WARN, tok->args[0], &address,
+ &cert->dir_port) < 0 ||
tor_inet_aton(address, &in) == 0) {
log_warn(LD_DIR, "Couldn't parse dir-address in certificate");
tor_free(address);
@@ -1975,6 +1987,7 @@ routerstatus_parse_entry_from_string(memarea_t *area,
if (!consensus_method)
flav = FLAV_NS;
+ tor_assert(flav == FLAV_NS || flav == FLAV_MICRODESC);
eos = find_start_of_next_routerstatus(*s);
@@ -1987,15 +2000,16 @@ routerstatus_parse_entry_from_string(memarea_t *area,
goto err;
}
tok = find_by_keyword(tokens, K_R);
- tor_assert(tok->n_args >= 7);
+ tor_assert(tok->n_args >= 7); /* guaranteed by GE(7) in K_R setup */
if (flav == FLAV_NS) {
if (tok->n_args < 8) {
log_warn(LD_DIR, "Too few arguments to r");
goto err;
}
- } else {
- offset = -1;
+ } else if (flav == FLAV_MICRODESC) {
+ offset = -1; /* There is no identity digest */
}
+
if (vote_rs) {
rs = &vote_rs->status;
} else {
@@ -2069,7 +2083,7 @@ routerstatus_parse_entry_from_string(memarea_t *area,
else if (!strcmp(tok->args[i], "Fast"))
rs->is_fast = 1;
else if (!strcmp(tok->args[i], "Running"))
- rs->is_running = 1;
+ rs->is_flagged_running = 1;
else if (!strcmp(tok->args[i], "Named"))
rs->is_named = 1;
else if (!strcmp(tok->args[i], "Valid"))
@@ -2100,6 +2114,8 @@ routerstatus_parse_entry_from_string(memarea_t *area,
rs->version_supports_begindir = 1;
rs->version_supports_extrainfo_upload = 1;
rs->version_supports_conditional_consensus = 1;
+ rs->version_supports_microdesc_cache = 1;
+ rs->version_supports_optimistic_data = 1;
} else {
rs->version_supports_begindir =
tor_version_as_new_as(tok->args[0], "0.2.0.1-alpha");
@@ -2109,6 +2125,16 @@ routerstatus_parse_entry_from_string(memarea_t *area,
tor_version_as_new_as(tok->args[0], "0.2.0.8-alpha");
rs->version_supports_conditional_consensus =
tor_version_as_new_as(tok->args[0], "0.2.1.1-alpha");
+ /* XXXX023 NM microdescs: 0.2.3.1-alpha isn't widely used yet, but
+ * not all 0.2.3.0-alpha "versions" actually support microdesc cacheing
+ * right. There's a compromise here. Since this is 5 May, let's
+ * err on the side of having some possible caches to use. Once more
+ * caches are running 0.2.3.1-alpha, we can bump this version number.
+ */
+ rs->version_supports_microdesc_cache =
+ tor_version_as_new_as(tok->args[0], "0.2.3.0-alpha");
+ rs->version_supports_optimistic_data =
+ tor_version_as_new_as(tok->args[0], "0.2.3.1-alpha");
}
if (vote_rs) {
vote_rs->version = tor_strdup(tok->args[0]);
@@ -2171,6 +2197,16 @@ routerstatus_parse_entry_from_string(memarea_t *area,
vote_rs->microdesc = line;
}
} SMARTLIST_FOREACH_END(t);
+ } else if (flav == FLAV_MICRODESC) {
+ tok = find_opt_by_keyword(tokens, K_M);
+ if (tok) {
+ tor_assert(tok->n_args);
+ if (digest256_from_base64(rs->descriptor_digest, tok->args[0])) {
+ log_warn(LD_DIR, "Error decoding microdescriptor digest %s",
+ escaped(tok->args[0]));
+ goto err;
+ }
+ }
}
if (!strcasecmp(rs->nickname, UNNAMED_ROUTER_NICKNAME))
@@ -3502,10 +3538,10 @@ networkstatus_parse_detached_signatures(const char *s, const char *eos)
siglist = detached_get_signatures(sigs, flavor);
is_duplicate = 0;
- SMARTLIST_FOREACH(siglist, document_signature_t *, s, {
- if (s->alg == alg &&
- tor_memeq(id_digest, s->identity_digest, DIGEST_LEN) &&
- tor_memeq(sk_digest, s->signing_key_digest, DIGEST_LEN)) {
+ SMARTLIST_FOREACH(siglist, document_signature_t *, dsig, {
+ if (dsig->alg == alg &&
+ tor_memeq(id_digest, dsig->identity_digest, DIGEST_LEN) &&
+ tor_memeq(sk_digest, dsig->signing_key_digest, DIGEST_LEN)) {
is_duplicate = 1;
}
});
@@ -4122,6 +4158,20 @@ _find_by_keyword(smartlist_t *s, directory_keyword keyword,
return tok;
}
+/** DOCDOC */
+static smartlist_t *
+find_all_by_keyword(smartlist_t *s, directory_keyword k)
+{
+ smartlist_t *out = NULL;
+ SMARTLIST_FOREACH(s, directory_token_t *, t,
+ if (t->tp == k) {
+ if (!out)
+ out = smartlist_create();
+ smartlist_add(out, t);
+ });
+ return out;
+}
+
/** Return a newly allocated smartlist of all accept or reject tokens in
* <b>s</b>.
*/
@@ -4358,7 +4408,7 @@ microdescs_parse_from_string(const char *s, const char *eos,
}
if ((tok = find_opt_by_keyword(tokens, K_P))) {
- md->exitsummary = tor_strdup(tok->args[0]);
+ md->exit_policy = parse_short_policy(tok->args[0]);
}
crypto_digest256(md->digest, md->body, md->bodylen, DIGEST_SHA256);
@@ -4974,7 +5024,7 @@ rend_parse_introduction_points(rend_service_descriptor_t *parsed,
info->identity_digest, DIGEST_LEN);
/* Parse IP address. */
tok = find_by_keyword(tokens, R_IPO_IP_ADDRESS);
- if (tor_addr_from_str(&info->addr, tok->args[0])<0) {
+ if (tor_addr_parse(&info->addr, tok->args[0])<0) {
log_warn(LD_REND, "Could not parse introduction point address.");
rend_intro_point_free(intro);
goto err;
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