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[tor-commits] [tor/master] Add client auth to rend_service_add_ephemeral



commit d15354c73b08342f9c1d22917c80194380c75e2c
Author: John Brooks <john.brooks@xxxxxxxxxxxxxxxx>
Date:   Mon Apr 13 21:09:09 2015 -0600

    Add client auth to rend_service_add_ephemeral
---
 src/or/control.c     |  4 +++-
 src/or/rendservice.c | 22 +++++++++++++++++-----
 src/or/rendservice.h |  3 +++
 3 files changed, 23 insertions(+), 6 deletions(-)

diff --git a/src/or/control.c b/src/or/control.c
index 220e7e5..a215eb8 100644
--- a/src/or/control.c
+++ b/src/or/control.c
@@ -3845,13 +3845,15 @@ handle_control_add_onion(control_connection_t *conn,
   }
   tor_assert(!err_msg);
 
-  /* Create the HS, using private key pk, and port config port_cfg.
+  /* Create the HS, using private key pk, client authentication auth_type,
+   * the list of auth_clients, and port config port_cfg.
    * rend_service_add_ephemeral() will take ownership of pk and port_cfg,
    * regardless of success/failure.
    */
   char *service_id = NULL;
   int ret = rend_service_add_ephemeral(pk, port_cfgs, max_streams,
                                        max_streams_close_circuit,
+                                       REND_NO_AUTH, NULL,
                                        &service_id);
   port_cfgs = NULL; /* port_cfgs is now owned by the rendservice code. */
   switch (ret) {
diff --git a/src/or/rendservice.c b/src/or/rendservice.c
index e6bceed..5b93209 100644
--- a/src/or/rendservice.c
+++ b/src/or/rendservice.c
@@ -828,14 +828,17 @@ rend_config_services(const or_options_t *options, int validate_only)
   return 0;
 }
 
-/** Add the ephemeral service <b>pk</b>/<b>ports</b> if possible, with
+/** Add the ephemeral service <b>pk</b>/<b>ports</b> if possible, using
+ * client authorization <b>auth_type</b> and an optional list of
+ * rend_authorized_client_t in <b>auth_clients</b>, with
  * <b>max_streams_per_circuit</b> streams allowed per rendezvous circuit,
  * and circuit closure on max streams being exceeded set by
  * <b>max_streams_close_circuit</b>.
  *
- * Regardless of sucess/failure, callers should not touch pk/ports after
- * calling this routine, and may assume that correct cleanup has been done
- * on failure.
+ * Ownership of pk, ports, and auth_clients is passed to this routine.
+ * Regardless of success/failure, callers should not touch these values
+ * after calling this routine, and may assume that correct cleanup has
+ * been done on failure.
  *
  * Return an appropriate rend_service_add_ephemeral_status_t.
  */
@@ -844,6 +847,8 @@ rend_service_add_ephemeral(crypto_pk_t *pk,
                            smartlist_t *ports,
                            int max_streams_per_circuit,
                            int max_streams_close_circuit,
+                           rend_auth_type_t auth_type,
+                           smartlist_t *auth_clients,
                            char **service_id_out)
 {
   *service_id_out = NULL;
@@ -853,7 +858,8 @@ rend_service_add_ephemeral(crypto_pk_t *pk,
   rend_service_t *s = tor_malloc_zero(sizeof(rend_service_t));
   s->directory = NULL; /* This indicates the service is ephemeral. */
   s->private_key = pk;
-  s->auth_type = REND_NO_AUTH;
+  s->auth_type = auth_type;
+  s->clients = auth_clients;
   s->ports = ports;
   s->intro_period_started = time(NULL);
   s->n_intro_points_wanted = NUM_INTRO_POINTS_DEFAULT;
@@ -869,6 +875,12 @@ rend_service_add_ephemeral(crypto_pk_t *pk,
     rend_service_free(s);
     return RSAE_BADVIRTPORT;
   }
+  if (s->auth_type != REND_NO_AUTH &&
+      (!s->clients || smartlist_len(s->clients) == 0)) {
+    log_warn(LD_CONFIG, "At least one authorized client must be specified.");
+    rend_service_free(s);
+    return RSAE_BADAUTH;
+  }
 
   /* Enforcing pk/id uniqueness should be done by rend_service_load_keys(), but
    * it's not, see #14828.
diff --git a/src/or/rendservice.h b/src/or/rendservice.h
index 2bb0c6a..493baa8 100644
--- a/src/or/rendservice.h
+++ b/src/or/rendservice.h
@@ -110,6 +110,7 @@ void rend_authorized_client_free(rend_authorized_client_t *client);
 
 /** Return value from rend_service_add_ephemeral. */
 typedef enum {
+  RSAE_BADAUTH = -5, /**< Invalid auth_type/auth_clients */
   RSAE_BADVIRTPORT = -4, /**< Invalid VIRTPORT/TARGET(s) */
   RSAE_ADDREXISTS = -3, /**< Onion address collision */
   RSAE_BADPRIVKEY = -2, /**< Invalid public key */
@@ -120,6 +121,8 @@ rend_service_add_ephemeral_status_t rend_service_add_ephemeral(crypto_pk_t *pk,
                                smartlist_t *ports,
                                int max_streams_per_circuit,
                                int max_streams_close_circuit,
+                               rend_auth_type_t auth_type,
+                               smartlist_t *auth_clients,
                                char **service_id_out);
 int rend_service_del_ephemeral(const char *service_id);
 



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