Don't escape the bridge distribution value.

We already check if there are invalid values in
check_bridge_distribution_setting() and reject the value if that is the
case. We can therefore only have strings of [A-Z] | [a-z] | [0-9] | '-'
| '_' here which is according to the directory specification.

See: https://bugs.torproject.org/32753
This commit is contained in:
Alexander Færøy
2020-01-15 23:24:18 +00:00
parent 399ec3130b
commit ca9a5390ff
3 changed files with 23 additions and 5 deletions
+3
View File
@@ -0,0 +1,3 @@
o Minor bugfixes (bridges):
- Lowercase the value of BridgeDistribution from torrc before adding it to
the descriptor. Fixes bug 32753; bugfix on 0.3.2.3-alpha.
+1 -2
View File
@@ -2920,8 +2920,7 @@ router_dump_router_to_string(routerinfo_t *router,
// forwarding what the user wrote in their torrc directly.
tor_strlower(bd);
smartlist_add_asprintf(chunks, "bridge-distribution-request %s\n",
escaped(bd));
smartlist_add_asprintf(chunks, "bridge-distribution-request %s\n", bd);
tor_free(bd);
}
+19 -3
View File
@@ -5711,11 +5711,27 @@ test_config_check_bridge_distribution_setting_not_a_bridge(void *arg)
static void
test_config_check_bridge_distribution_setting_valid(void *arg)
{
int ret = check_bridge_distribution_setting("https");
(void)arg;
tt_int_op(ret, OP_EQ, 0);
// Check all the possible values we support right now.
tt_int_op(check_bridge_distribution_setting("none"), OP_EQ, 0);
tt_int_op(check_bridge_distribution_setting("any"), OP_EQ, 0);
tt_int_op(check_bridge_distribution_setting("https"), OP_EQ, 0);
tt_int_op(check_bridge_distribution_setting("email"), OP_EQ, 0);
tt_int_op(check_bridge_distribution_setting("moat"), OP_EQ, 0);
// Check all the possible values we support right now with weird casing.
tt_int_op(check_bridge_distribution_setting("NoNe"), OP_EQ, 0);
tt_int_op(check_bridge_distribution_setting("anY"), OP_EQ, 0);
tt_int_op(check_bridge_distribution_setting("hTTps"), OP_EQ, 0);
tt_int_op(check_bridge_distribution_setting("emAIl"), OP_EQ, 0);
tt_int_op(check_bridge_distribution_setting("moAt"), OP_EQ, 0);
// Invalid values.
tt_int_op(check_bridge_distribution_setting("x\rx"), OP_EQ, -1);
tt_int_op(check_bridge_distribution_setting("x\nx"), OP_EQ, -1);
tt_int_op(check_bridge_distribution_setting("\t\t\t"), OP_EQ, -1);
done:
return;
}