aboutsummaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/or/circuit.c7
-rw-r--r--src/or/config.c6
-rw-r--r--src/or/connection_edge.c18
-rw-r--r--src/or/onion.c54
-rw-r--r--src/or/or.h10
5 files changed, 77 insertions, 18 deletions
diff --git a/src/or/circuit.c b/src/or/circuit.c
index 584005e01..08acf187b 100644
--- a/src/or/circuit.c
+++ b/src/or/circuit.c
@@ -1057,9 +1057,6 @@ static int n_circuit_failures = 0;
/* Launch a new circuit and return a pointer to it. Return NULL if you failed. */
circuit_t *circuit_launch_new(uint8_t purpose, const char *exit_nickname) {
- if(!(options.SocksPort||options.RunTesting)) /* no need for circuits. */
- return NULL;
-
if(n_circuit_failures > 5) { /* too many failed circs in a row. don't try. */
// log_fn(LOG_INFO,"%d failures so far, not trying.",n_circuit_failures);
return NULL;
@@ -1086,11 +1083,11 @@ static circuit_t *circuit_establish_circuit(uint8_t purpose,
circ = circuit_new(0, NULL); /* sets circ->p_circ_id and circ->p_conn */
circ->state = CIRCUIT_STATE_OR_WAIT;
- circ->build_state = onion_new_cpath_build_state(exit_nickname);
+ circ->build_state = onion_new_cpath_build_state(purpose, exit_nickname);
circ->purpose = purpose;
if (! circ->build_state) {
- log_fn(LOG_INFO,"Generating cpath length failed.");
+ log_fn(LOG_INFO,"Generating cpath failed.");
circuit_mark_for_close(circ);
return NULL;
}
diff --git a/src/or/config.c b/src/or/config.c
index eead3a594..e5e5fc9c8 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -205,6 +205,8 @@ static int config_assign(or_options_t *options, struct config_line_t *list) {
config_compare(list, "RouterFile", CONFIG_TYPE_STRING, &options->RouterFile) ||
config_compare(list, "RunAsDaemon", CONFIG_TYPE_BOOL, &options->RunAsDaemon) ||
config_compare(list, "RecommendedVersions",CONFIG_TYPE_STRING, &options->RecommendedVersions) ||
+ config_compare(list, "RendNodes", CONFIG_TYPE_STRING, &options->RendNodes) ||
+ config_compare(list, "RendExcludeNodes",CONFIG_TYPE_STRING, &options->RendExcludeNodes) ||
config_compare(list, "SocksPort", CONFIG_TYPE_INT, &options->SocksPort) ||
config_compare(list, "SocksBindAddress",CONFIG_TYPE_STRING,&options->SocksBindAddress) ||
@@ -419,6 +421,8 @@ static void free_options(or_options_t *options) {
tor_free(options->ExitNodes);
tor_free(options->EntryNodes);
tor_free(options->ExcludeNodes);
+ tor_free(options->RendNodes);
+ tor_free(options->RendExcludeNodes);
tor_free(options->ExitPolicy);
tor_free(options->SocksBindAddress);
tor_free(options->ORBindAddress);
@@ -436,6 +440,8 @@ static void init_options(or_options_t *options) {
options->ExitNodes = tor_strdup("");
options->EntryNodes = tor_strdup("");
options->ExcludeNodes = tor_strdup("");
+ options->RendNodes = tor_strdup("");
+ options->RendExcludeNodes = tor_strdup("");
options->ExitPolicy = tor_strdup("");
options->SocksBindAddress = tor_strdup("127.0.0.1");
options->ORBindAddress = tor_strdup("0.0.0.0");
diff --git a/src/or/connection_edge.c b/src/or/connection_edge.c
index 7352c584b..5fdd7539b 100644
--- a/src/or/connection_edge.c
+++ b/src/or/connection_edge.c
@@ -201,6 +201,15 @@ int connection_edge_end(connection_t *conn, char reason, crypt_path_t *cpath_lay
return 0;
}
+/* Make a relay cell out of 'relay_command' and 'payload', and
+ * send it onto the open circuit 'circ'. If it's a control cell,
+ * set fromconn to NULL, else it's the stream that's sending the
+ * relay cell. Use cpath_layer NULL if you're responding to the OP;
+ * If it's an outgoing cell it must specify the destination hop.
+ *
+ * If you can't send the cell, mark the circuit for close and
+ * return -1. Else return 0.
+ */
int connection_edge_send_command(connection_t *fromconn, circuit_t *circ,
int relay_command, void *payload,
int payload_len, crypt_path_t *cpath_layer) {
@@ -738,8 +747,13 @@ static int connection_ap_handshake_process_socks(connection_t *conn) {
/* see if we already have it cached */
if (rend_cache_lookup(socks->address, &descp, &desc_len) == 1) {
- /* then pick and launch a rendezvous circuit */
- /* go into some other state */
+ if(0){ //if a circuit already exists to this place, use it
+
+ } else {
+ /* go into some other state maybe? */
+ /* then launch a rendezvous circuit */
+ circuit_launch_new(CIRCUIT_PURPOSE_C_ESTABLISH_REND, NULL);
+ }
} else {
/* initiate a dir hidserv desc lookup */
/* go into a state where you'll be notified of the answer */
diff --git a/src/or/onion.c b/src/or/onion.c
index 71e2a31b4..1703d93ed 100644
--- a/src/or/onion.c
+++ b/src/or/onion.c
@@ -4,6 +4,11 @@
#include "or.h"
+/* prototypes for smartlist operations from routerlist.h
+ * they're here to prevent precedence issues with the .h files
+ */
+void router_add_running_routers_to_smartlist(smartlist_t *sl);
+
extern or_options_t options; /* command-line and config-file options */
static int count_acceptable_routers(routerinfo_t **rarray, int rarray_len);
@@ -220,7 +225,34 @@ static int new_route_len(double cw, routerinfo_t **rarray, int rarray_len) {
return routelen;
}
-static routerinfo_t *choose_good_exit_server(routerlist_t *dir)
+static routerinfo_t *choose_good_exit_server_rend(routerlist_t *dir)
+{
+ smartlist_t *sl, *excludednodes;
+ routerinfo_t *choice;
+
+ excludednodes = smartlist_create();
+ add_nickname_list_to_smartlist(excludednodes,options.RendExcludeNodes);
+
+ /* try the nodes in RendNodes first */
+ sl = smartlist_create();
+ add_nickname_list_to_smartlist(sl,options.RendNodes);
+ smartlist_subtract(sl,excludednodes);
+ choice = smartlist_choose(sl);
+ smartlist_free(sl);
+ if(!choice) {
+ sl = smartlist_create();
+ router_add_running_routers_to_smartlist(sl);
+ smartlist_subtract(sl,excludednodes);
+ choice = smartlist_choose(sl);
+ smartlist_free(sl);
+ }
+ smartlist_free(excludednodes);
+ if(!choice)
+ log_fn(LOG_WARN,"No available nodes when trying to choose rendezvous point. Failing.");
+ return choice;
+}
+
+static routerinfo_t *choose_good_exit_server_general(routerlist_t *dir)
{
int *n_supported;
int i, j;
@@ -347,7 +379,16 @@ static routerinfo_t *choose_good_exit_server(routerlist_t *dir)
return NULL;
}
-cpath_build_state_t *onion_new_cpath_build_state(const char *exit_nickname) {
+static routerinfo_t *choose_good_exit_server(uint8_t purpose, routerlist_t *dir)
+{
+ if(purpose == CIRCUIT_PURPOSE_C_GENERAL)
+ return choose_good_exit_server_general(dir);
+ else
+ return choose_good_exit_server_rend(dir);
+}
+
+cpath_build_state_t *onion_new_cpath_build_state(uint8_t purpose,
+ const char *exit_nickname) {
routerlist_t *rl;
int r;
cpath_build_state_t *info;
@@ -357,13 +398,13 @@ cpath_build_state_t *onion_new_cpath_build_state(const char *exit_nickname) {
r = new_route_len(options.PathlenCoinWeight, rl->routers, rl->n_routers);
if (r < 0)
return NULL;
- info = tor_malloc(sizeof(cpath_build_state_t));
+ info = tor_malloc_zero(sizeof(cpath_build_state_t));
info->desired_path_len = r;
if(exit_nickname) { /* the circuit-builder pre-requested one */
log_fn(LOG_INFO,"Using requested exit node '%s'", exit_nickname);
info->chosen_exit = tor_strdup(exit_nickname);
} else { /* we have to decide one */
- exit = choose_good_exit_server(rl);
+ exit = choose_good_exit_server(purpose, rl);
if(!exit) {
tor_free(info);
return NULL;
@@ -407,11 +448,6 @@ static int count_acceptable_routers(routerinfo_t **rarray, int rarray_len) {
return num;
}
-/* prototypes for smartlist operations from routerlist.h
- * they're here to prevent precedence issues with the .h files
- */
-void router_add_running_routers_to_smartlist(smartlist_t *sl);
-
static void remove_twins_from_smartlist(smartlist_t *sl, routerinfo_t *twin) {
int i;
routerinfo_t *r;
diff --git a/src/or/or.h b/src/or/or.h
index 425629695..f93b96edb 100644
--- a/src/or/or.h
+++ b/src/or/or.h
@@ -533,7 +533,7 @@ struct circuit_t {
uint8_t state;
uint8_t purpose;
- /* The field rend_sevice:
+ /* The field rend_service:
* holds hash of location-hidden service's PK if purpose is INTRO_POINT
* or S_ESTABLISH_INTRO or S_RENDEZVOUSING;
* holds y portion of y.onion (zero-padded) if purpose is C_INTRODUCING or
@@ -570,9 +570,14 @@ typedef struct {
char *Nickname;
char *Address;
char *PidFile;
+
char *ExitNodes;
char *EntryNodes;
char *ExcludeNodes;
+
+ char *RendNodes;
+ char *RendExcludeNodes;
+
char *ExitPolicy;
char *SocksBindAddress;
char *ORBindAddress;
@@ -919,7 +924,8 @@ int onion_skin_client_handshake(crypto_dh_env_t *handshake_state,
char *key_out,
int key_out_len);
-cpath_build_state_t *onion_new_cpath_build_state(const char *exit_nickname);
+cpath_build_state_t *onion_new_cpath_build_state(uint8_t purpose,
+ const char *exit_nickname);
/********************************* router.c ***************************/