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Add client auth to rend_service_add_ephemeral

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This commit is contained in:
John Brooks 2015-04-13 21:09:09 -06:00 committed by Nick Mathewson
parent d5a23ce115
commit d15354c73b
3 changed files with 23 additions and 6 deletions
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4
src/or/control.c
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@ -3845,13 +3845,15 @@ handle_control_add_onion(control_connection_t *conn,
} }
tor_assert(!err_msg); 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, * rend_service_add_ephemeral() will take ownership of pk and port_cfg,
* regardless of success/failure. * regardless of success/failure.
*/ */
char *service_id = NULL; char *service_id = NULL;
int ret = rend_service_add_ephemeral(pk, port_cfgs, max_streams, int ret = rend_service_add_ephemeral(pk, port_cfgs, max_streams,
max_streams_close_circuit, max_streams_close_circuit,
REND_NO_AUTH, NULL,
&service_id); &service_id);
port_cfgs = NULL; /* port_cfgs is now owned by the rendservice code. */ port_cfgs = NULL; /* port_cfgs is now owned by the rendservice code. */
switch (ret) { switch (ret) {

22
src/or/rendservice.c
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@ -828,14 +828,17 @@ rend_config_services(const or_options_t *options, int validate_only)
return 0; 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, * <b>max_streams_per_circuit</b> streams allowed per rendezvous circuit,
* and circuit closure on max streams being exceeded set by * and circuit closure on max streams being exceeded set by
* <b>max_streams_close_circuit</b>. * <b>max_streams_close_circuit</b>.
* *
* Regardless of sucess/failure, callers should not touch pk/ports after * Ownership of pk, ports, and auth_clients is passed to this routine.
* calling this routine, and may assume that correct cleanup has been done * Regardless of success/failure, callers should not touch these values
* on failure. * after calling this routine, and may assume that correct cleanup has
* been done on failure.
* *
* Return an appropriate rend_service_add_ephemeral_status_t. * Return an appropriate rend_service_add_ephemeral_status_t.
*/ */
@ -844,6 +847,8 @@ rend_service_add_ephemeral(crypto_pk_t *pk,
smartlist_t *ports, smartlist_t *ports,
int max_streams_per_circuit, int max_streams_per_circuit,
int max_streams_close_circuit, int max_streams_close_circuit,
rend_auth_type_t auth_type,
smartlist_t *auth_clients,
char **service_id_out) char **service_id_out)
{ {
*service_id_out = NULL; *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)); rend_service_t *s = tor_malloc_zero(sizeof(rend_service_t));
s->directory = NULL; /* This indicates the service is ephemeral. */ s->directory = NULL; /* This indicates the service is ephemeral. */
s->private_key = pk; s->private_key = pk;
s->auth_type = REND_NO_AUTH; s->auth_type = auth_type;
s->clients = auth_clients;
s->ports = ports; s->ports = ports;
s->intro_period_started = time(NULL); s->intro_period_started = time(NULL);
s->n_intro_points_wanted = NUM_INTRO_POINTS_DEFAULT; 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); rend_service_free(s);
return RSAE_BADVIRTPORT; 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 /* Enforcing pk/id uniqueness should be done by rend_service_load_keys(), but
* it's not, see #14828. * it's not, see #14828.

3
src/or/rendservice.h
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@ -110,6 +110,7 @@ void rend_authorized_client_free(rend_authorized_client_t *client);
/** Return value from rend_service_add_ephemeral. */ /** Return value from rend_service_add_ephemeral. */
typedef enum { typedef enum {
RSAE_BADAUTH = -5, /**< Invalid auth_type/auth_clients */
RSAE_BADVIRTPORT = -4, /**< Invalid VIRTPORT/TARGET(s) */ RSAE_BADVIRTPORT = -4, /**< Invalid VIRTPORT/TARGET(s) */
RSAE_ADDREXISTS = -3, /**< Onion address collision */ RSAE_ADDREXISTS = -3, /**< Onion address collision */
RSAE_BADPRIVKEY = -2, /**< Invalid public key */ 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, smartlist_t *ports,
int max_streams_per_circuit, int max_streams_per_circuit,
int max_streams_close_circuit, int max_streams_close_circuit,
rend_auth_type_t auth_type,
smartlist_t *auth_clients,
char **service_id_out); char **service_id_out);
int rend_service_del_ephemeral(const char *service_id); int rend_service_del_ephemeral(const char *service_id);