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-rw-r--r--src/or/circuitlist.c18
-rw-r--r--src/or/config.c7
-rw-r--r--src/or/dns.c21
-rw-r--r--src/or/main.c17
-rw-r--r--src/or/onion.c12
-rw-r--r--src/or/or.h6
-rw-r--r--src/or/rephist.c3
-rw-r--r--src/or/router.c13
8 files changed, 88 insertions, 9 deletions
diff --git a/src/or/circuitlist.c b/src/or/circuitlist.c
index 5e17eb7a4..0153297b8 100644
--- a/src/or/circuitlist.c
+++ b/src/or/circuitlist.c
@@ -149,6 +149,24 @@ static void circuit_free_cpath(crypt_path_t *cpath) {
circuit_free_cpath_node(cpath);
}
+/** Release all storage held by circuits. */
+void
+circuit_free_all(void)
+{
+ circuit_t *next;
+ while (global_circuitlist) {
+ next = global_circuitlist->next;
+ while (global_circuitlist->resolving_streams) {
+ connection_t *next;
+ next = global_circuitlist->resolving_streams->next_stream;
+ connection_free(global_circuitlist->resolving_streams);
+ global_circuitlist->resolving_streams = next;
+ }
+ circuit_free(global_circuitlist);
+ global_circuitlist = next;
+ }
+}
+
/** Deallocate space associated with the cpath node <b>victim</b>. */
static void
circuit_free_cpath_node(crypt_path_t *victim) {
diff --git a/src/or/config.c b/src/or/config.c
index 0c90b00d4..e8142176d 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -232,6 +232,13 @@ set_options(or_options_t *new_val) {
global_options = new_val;
}
+void
+config_free_all(void)
+{
+ options_free(global_options);
+ tor_free(config_fname);
+}
+
/** Fetch the active option list, and take actions based on it. All
* of the things we do should survive being done repeatedly.
* Return 0 if all goes well, return -1 if it's time to die.
diff --git a/src/or/dns.c b/src/or/dns.c
index 7b23f60ea..71dff3400 100644
--- a/src/or/dns.c
+++ b/src/or/dns.c
@@ -99,6 +99,27 @@ void dns_init(void) {
spawn_enough_dnsworkers();
}
+static void
+_free_cached_resolve(struct cached_resolve *r) {
+ while(r->pending_connections) {
+ struct pending_connection_t *victim = r->pending_connections;
+ r->pending_connections = victim->next;
+ tor_free(victim);
+ }
+ tor_free(r);
+}
+
+void
+dns_free_all(void)
+{
+ struct cached_resolve *ptr, *next;
+ for (ptr = SPLAY_MIN(cache_tree, &cache_root); ptr != NULL; ptr = next) {
+ next = SPLAY_NEXT(cache_tree, &cache_root, ptr);
+ SPLAY_REMOVE(cache_tree, &cache_root, ptr);
+ _free_cached_resolve(ptr);
+ }
+}
+
/** Linked list of resolved addresses, oldest to newest. */
static struct cached_resolve *oldest_cached_resolve = NULL;
static struct cached_resolve *newest_cached_resolve = NULL;
diff --git a/src/or/main.c b/src/or/main.c
index 4035dc6d2..ef1e7bf12 100644
--- a/src/or/main.c
+++ b/src/or/main.c
@@ -1314,13 +1314,14 @@ void tor_free_all(void)
dirserv_free_all();
rend_service_free_all();
rep_hist_free_all();
- /* cache in dns.c */
- /* onion queue in onion.c */
- /* the circuits. */
- /* the connections. */
- /* the config */
- /* My routerinfo_t */
- /* all keys. */
+ dns_free_all();
+ clear_pending_onions();
+ circuit_free_all();
+ connection_free_all();
+ config_free_all();
+ router_free_all_keys();
+ /* stuff in main.c */
+ smartlist_free(closeable_connection_lst);
}
/** Do whatever cleanup is necessary before shutting Tor down. */
@@ -1333,8 +1334,8 @@ void tor_cleanup(void) {
crypto_global_cleanup();
if (accounting_is_enabled(options))
accounting_record_bandwidth_usage(time(NULL));
+ tor_free_all(); /* move tor_free_all back into the ifdef below later. XXX*/
#ifdef USE_DMALLOC
- tor_free_all();
dmalloc_log_unfreed();
dmalloc_shutdown();
#endif
diff --git a/src/or/onion.c b/src/or/onion.c
index d8fa3005f..3a685b372 100644
--- a/src/or/onion.c
+++ b/src/or/onion.c
@@ -316,3 +316,15 @@ onion_skin_client_handshake(crypto_dh_env_t *handshake_state,
return 0;
}
+/** Remove all circuits from the pending list. Called from tor_free_all. */
+void
+clear_pending_onions(void)
+{
+ while (ol_list) {
+ struct onion_queue_t *victim = ol_list;
+ ol_list = victim->next;
+ tor_free(victim);
+ }
+ ol_list = ol_tail = NULL;
+ ol_length = 0;
+}
diff --git a/src/or/or.h b/src/or/or.h
index 08fb96c1d..21cff2b82 100644
--- a/src/or/or.h
+++ b/src/or/or.h
@@ -1105,6 +1105,7 @@ int _circuit_mark_for_close(circuit_t *circ);
void assert_cpath_layer_ok(const crypt_path_t *cp);
void assert_circuit_ok(const circuit_t *c);
+void circuit_free_all(void);
/********************************* circuituse.c ************************/
@@ -1144,6 +1145,7 @@ struct config_line_t {
or_options_t *get_options(void);
void set_options(or_options_t *new_val);
int options_act(void);
+void config_free_all(void);
int config_get_lines(char *string, struct config_line_t **result);
void config_free_lines(struct config_line_t *front);
@@ -1373,6 +1375,7 @@ void dirserv_free_all(void);
/********************************* dns.c ***************************/
void dns_init(void);
+void dns_free_all(void);
int connection_dns_finished_flushing(connection_t *conn);
int connection_dns_reached_eof(connection_t *conn);
int connection_dns_process_inbuf(connection_t *conn);
@@ -1451,6 +1454,8 @@ int onion_skin_client_handshake(crypto_dh_env_t *handshake_state,
char *key_out,
size_t key_out_len);
+void clear_pending_onions(void);
+
/********************************* relay.c ***************************/
extern unsigned long stats_n_relay_cells_relayed;
@@ -1601,6 +1606,7 @@ int router_dump_router_to_string(char *s, size_t maxlen, routerinfo_t *router,
crypto_pk_env_t *ident_key);
int is_legal_nickname(const char *s);
int is_legal_nickname_or_hexdigest(const char *s);
+void router_free_all_keys(void);
/********************************* routerlist.c ***************************/
diff --git a/src/or/rephist.c b/src/or/rephist.c
index 407663815..a00a5c667 100644
--- a/src/or/rephist.c
+++ b/src/or/rephist.c
@@ -106,8 +106,9 @@ _free_link_history(void *val)
}
static void
-free_or_history(or_history_t *hist)
+free_or_history(void *_hist)
{
+ or_history_t *hist = _hist;
strmap_free(hist->link_history_map, _free_link_history);
tor_free(hist);
}
diff --git a/src/or/router.c b/src/or/router.c
index d92bcb1cb..4d63b914d 100644
--- a/src/or/router.c
+++ b/src/or/router.c
@@ -829,3 +829,16 @@ int is_legal_nickname_or_hexdigest(const char *s)
return len == HEX_DIGEST_LEN+1 && strspn(s+1,HEX_CHARACTERS)==len-1;
}
+void router_free_all_keys(void)
+{
+ if (onionkey)
+ crypto_free_pk_env(onionkey);
+ if (lastonionkey)
+ crypto_free_pk_env(lastonionkey);
+ if (identitykey)
+ crypto_free_pk_env(identitykey);
+ if (key_lock)
+ tor_mutex_free(key_lock);
+ if (desc_routerinfo)
+ routerinfo_free(desc_routerinfo);
+}