Commit 6ff45967 authored by David Goulet's avatar David Goulet 🔆 Committed by George Kadianakis
Browse files

hs-v2: Add deprecation warning for service

If at least one service is configured as a version 2, a log warning is emitted
once and only once.

Closes #40003
Signed-off-by: David Goulet's avatarDavid Goulet <>
parent 8697205b
o Deprecated features (onion service v2):
- Add deprecation warning for onion service version 2. Tor now logs a
warning once if a version 2 service is configured. Closes ticket 40003.
......@@ -130,6 +130,22 @@ static smartlist_t *rend_service_list = NULL;
* service on config reload. */
static smartlist_t *rend_service_staging_list = NULL;
/** Helper: log the deprecation warning for version 2 only once. */
static void
static bool logged_once = false;
if (!logged_once) {
log_warn(LD_REND, "DEPRECATED: Onion service version 2 are deprecated. "
"Please use version 3 which is the default now. "
"Currently, version 2 is planned to be obsolete in "
"the Tor version 0.4.6 stable series.");
logged_once = true;
/** Macro to make it very explicit that we are warning about deprecation. */
#define WARN_ONCE_DEPRECATION() log_once_deprecation_warning()
/* Like rend_get_service_list_mutable, but returns a read-only list. */
static const smartlist_t*
rend_get_service_list(const smartlist_t* substitute_service_list)
......@@ -731,6 +747,9 @@ rend_config_service(const config_line_t *line_,
/* We are about to configure a version 2 service. Warn of deprecation. */
/* Use the staging service list so that we can check then do the pruning
* process using the main list at the end. */
if (rend_service_staging_list == NULL) {
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