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-rw-r--r--src/or/circuitbuild.c196
1 files changed, 0 insertions, 196 deletions
diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c
index 6d1e4e7643..0a04b1b111 100644
--- a/src/or/circuitbuild.c
+++ b/src/or/circuitbuild.c
@@ -4970,199 +4970,6 @@ bridge_free(bridge_info_t *bridge)
tor_free(bridge);
}
-/** A list of pluggable transports found in torrc. */
-static smartlist_t *transport_list = NULL;
-
-/** Mark every entry of the transport list to be removed on our next call to
- * sweep_transport_list unless it has first been un-marked. */
-void
-mark_transport_list(void)
-{
- if (!transport_list)
- transport_list = smartlist_new();
- SMARTLIST_FOREACH(transport_list, transport_t *, t,
- t->marked_for_removal = 1);
-}
-
-/** Remove every entry of the transport list that was marked with
- * mark_transport_list if it has not subsequently been un-marked. */
-void
-sweep_transport_list(void)
-{
- if (!transport_list)
- transport_list = smartlist_new();
- SMARTLIST_FOREACH_BEGIN(transport_list, transport_t *, t) {
- if (t->marked_for_removal) {
- SMARTLIST_DEL_CURRENT(transport_list, t);
- transport_free(t);
- }
- } SMARTLIST_FOREACH_END(t);
-}
-
-/** Initialize the pluggable transports list to empty, creating it if
- * needed. */
-void
-clear_transport_list(void)
-{
- if (!transport_list)
- transport_list = smartlist_new();
- SMARTLIST_FOREACH(transport_list, transport_t *, t, transport_free(t));
- smartlist_clear(transport_list);
-}
-
-/** Free the pluggable transport struct <b>transport</b>. */
-void
-transport_free(transport_t *transport)
-{
- if (!transport)
- return;
-
- tor_free(transport->name);
- tor_free(transport);
-}
-
-/** Returns the transport in our transport list that has the name <b>name</b>.
- * Else returns NULL. */
-transport_t *
-transport_get_by_name(const char *name)
-{
- tor_assert(name);
-
- if (!transport_list)
- return NULL;
-
- SMARTLIST_FOREACH_BEGIN(transport_list, transport_t *, transport) {
- if (!strcmp(transport->name, name))
- return transport;
- } SMARTLIST_FOREACH_END(transport);
-
- return NULL;
-}
-
-/** Returns a transport_t struct for a transport proxy supporting the
- protocol <b>name</b> listening at <b>addr</b>:<b>port</b> using
- SOCKS version <b>socks_ver</b>. */
-transport_t *
-transport_new(const tor_addr_t *addr, uint16_t port,
- const char *name, int socks_ver)
-{
- transport_t *t = tor_malloc_zero(sizeof(transport_t));
-
- tor_addr_copy(&t->addr, addr);
- t->port = port;
- t->name = tor_strdup(name);
- t->socks_version = socks_ver;
-
- return t;
-}
-
-/** Resolve any conflicts that the insertion of transport <b>t</b>
- * might cause.
- * Return 0 if <b>t</b> is OK and should be registered, 1 if there is
- * a transport identical to <b>t</b> already registered and -1 if
- * <b>t</b> cannot be added due to conflicts. */
-static int
-transport_resolve_conflicts(transport_t *t)
-{
- /* This is how we resolve transport conflicts:
-
- If there is already a transport with the same name and addrport,
- we either have duplicate torrc lines OR we are here post-HUP and
- this transport was here pre-HUP as well. In any case, mark the
- old transport so that it doesn't get removed and ignore the new
- one. Our caller has to free the new transport so we return '1' to
- signify this.
-
- If there is already a transport with the same name but different
- addrport:
- * if it's marked for removal, it means that it either has a lower
- priority than 't' in torrc (otherwise the mark would have been
- cleared by the paragraph above), or it doesn't exist at all in
- the post-HUP torrc. We destroy the old transport and register 't'.
- * if it's *not* marked for removal, it means that it was newly
- added in the post-HUP torrc or that it's of higher priority, in
- this case we ignore 't'. */
- transport_t *t_tmp = transport_get_by_name(t->name);
- if (t_tmp) { /* same name */
- if (tor_addr_eq(&t->addr, &t_tmp->addr) && (t->port == t_tmp->port)) {
- /* same name *and* addrport */
- t_tmp->marked_for_removal = 0;
- return 1;
- } else { /* same name but different addrport */
- if (t_tmp->marked_for_removal) { /* marked for removal */
- log_notice(LD_GENERAL, "You tried to add transport '%s' at '%s:%u' "
- "but there was already a transport marked for deletion at "
- "'%s:%u'. We deleted the old transport and registered the "
- "new one.", t->name, fmt_addr(&t->addr), t->port,
- fmt_addr(&t_tmp->addr), t_tmp->port);
- smartlist_remove(transport_list, t_tmp);
- transport_free(t_tmp);
- } else { /* *not* marked for removal */
- log_notice(LD_GENERAL, "You tried to add transport '%s' at '%s:%u' "
- "but the same transport already exists at '%s:%u'. "
- "Skipping.", t->name, fmt_addr(&t->addr), t->port,
- fmt_addr(&t_tmp->addr), t_tmp->port);
- return -1;
- }
- }
- }
-
- return 0;
-}
-
-/** Add transport <b>t</b> to the internal list of pluggable
- * transports.
- * Returns 0 if the transport was added correctly, 1 if the same
- * transport was already registered (in this case the caller must
- * free the transport) and -1 if there was an error. */
-int
-transport_add(transport_t *t)
-{
- int r;
- tor_assert(t);
-
- r = transport_resolve_conflicts(t);
-
- switch (r) {
- case 0: /* should register transport */
- if (!transport_list)
- transport_list = smartlist_new();
- smartlist_add(transport_list, t);
- return 0;
- default: /* let our caller know the return code */
- return r;
- }
-}
-
-/** Remember a new pluggable transport proxy at <b>addr</b>:<b>port</b>.
- * <b>name</b> is set to the name of the protocol this proxy uses.
- * <b>socks_ver</b> is set to the SOCKS version of the proxy. */
-int
-transport_add_from_config(const tor_addr_t *addr, uint16_t port,
- const char *name, int socks_ver)
-{
- transport_t *t = transport_new(addr, port, name, socks_ver);
-
- int r = transport_add(t);
-
- switch (r) {
- case -1:
- default:
- log_notice(LD_GENERAL, "Could not add transport %s at %s:%u. Skipping.",
- t->name, fmt_addr(&t->addr), t->port);
- transport_free(t);
- return -1;
- case 1:
- log_info(LD_GENERAL, "Succesfully registered transport %s at %s:%u.",
- t->name, fmt_addr(&t->addr), t->port);
- transport_free(t); /* falling */
- return 0;
- case 0:
- log_info(LD_GENERAL, "Succesfully registered transport %s at %s:%u.",
- t->name, fmt_addr(&t->addr), t->port);
- return 0;
- }
-}
/** Return a bridge pointer if <b>ri</b> is one of our known bridges
* (either by comparing keys if possible, else by comparing addr/port).
@@ -5800,10 +5607,7 @@ entry_guards_free_all(void)
entry_guards = NULL;
}
clear_bridge_list();
- clear_transport_list();
smartlist_free(bridge_list);
- smartlist_free(transport_list);
bridge_list = NULL;
- transport_list = NULL;
}