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Merge branch 'tor-gitlab/mr/131'

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This commit is contained in:
David Goulet 2020-09-17 08:33:10 -04:00
commit 7eef9ced61
1 changed files with 21 additions and 5 deletions
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26
src/feature/nodelist/routerlist.c
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@ -89,6 +89,7 @@
#include "feature/nodelist/routerset.h"
#include "feature/nodelist/torcert.h"
#include "feature/relay/routermode.h"
#include "feature/relay/relay_find_addr.h"
#include "feature/stats/rephist.h"
#include "lib/crypt_ops/crypto_format.h"
#include "lib/crypt_ops/crypto_rand.h"
@ -2772,12 +2773,27 @@ launch_dummy_descriptor_download_as_needed(time_t now,
const or_options_t *options)
{
static time_t last_dummy_download = 0;
bool have_addr;
tor_addr_t addr_out;
/* This dummy fetch only matter for relays. */
if (!server_mode(options)) {
return;
}
/* Lookup the address cache to learn if we have a good usable address. We
* still force relays to have an IPv4 so that alone is enough to learn if we
* need a lookup. In case we don't have one, we might want to attempt a
* dummy fetch to learn our address as a suggestion from an authority. */
have_addr = relay_find_addr_to_publish(options, AF_INET,
RELAY_FIND_ADDR_CACHE_ONLY,
&addr_out);
/* XXXX+ we could be smarter here; see notes on bug 652. */
/* If we're a server that doesn't have a configured address, we rely on
* directory fetches to learn when our address changes. So if we haven't
* tried to get any routerdescs in a long time, try a dummy fetch now. */
if (!options->Address &&
server_mode(options) &&
/* If we're a server that doesn't have an address, we rely on directory
* fetches to learn when our address changes. So if we haven't tried to get
* any routerdescs in a long time, try a dummy fetch now. */
if (!have_addr &&
last_descriptor_download_attempted + DUMMY_DOWNLOAD_INTERVAL < now &&
last_dummy_download + DUMMY_DOWNLOAD_INTERVAL < now) {
last_dummy_download = now;