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Negotiated circuit parameters must pass from worker.

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This commit is contained in:
Nick Mathewson 2021-09-14 17:06:30 -04:00 committed by Mike Perry
parent baaabb503c
commit a511718a30
2 changed files with 15 additions and 4 deletions
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8
src/core/crypto/onion_crypto.c
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@ -312,6 +312,14 @@ onion_skin_server_handshake(int type,
* parameters we've just negotiated
*/
/* NOTE! DANGER, DANGER, DANGER!
Remember that this function can be run in a worker thread, and so
therefore you can't access "global" state that isn't lock-protected.
CAVEAT HAXX0R!
*/
tor_free(client_msg);
}

11
src/core/mainloop/cpuworker.c
View File

@ -158,6 +158,8 @@ typedef struct cpuworker_reply_t {
uint8_t keys[CPATH_KEY_MATERIAL_LEN];
/** Input to use for authenticating introduce1 cells. */
uint8_t rend_auth_material[DIGEST_LEN];
/** Negotiated circuit parameters. */
circuit_params_t circ_params;
} cpuworker_reply_t;
typedef struct cpuworker_job_u_t {
@ -387,6 +389,10 @@ cpuworker_onion_handshake_replyfn(void *work_)
circuit_mark_for_close(TO_CIRCUIT(circ), END_CIRC_REASON_INTERNAL);
goto done_processing;
}
/* TODO! We need to use rpl.circ_params here to initialize the congestion
control parameters of the circuit. */
log_debug(LD_OR,"onionskin_answer succeeded. Yay.");
done_processing:
@ -416,7 +422,6 @@ cpuworker_onion_handshake_threadfn(void *state_, void *work_)
const create_cell_t *cc = &req.create_cell;
created_cell_t *cell_out = &rpl.created_cell;
struct timeval tv_start = {0,0}, tv_end;
circuit_params_t params;
int n;
rpl.timed = req.timed;
rpl.started_at = req.started_at;
@ -430,7 +435,7 @@ cpuworker_onion_handshake_threadfn(void *state_, void *work_)
sizeof(cell_out->reply),
rpl.keys, CPATH_KEY_MATERIAL_LEN,
rpl.rend_auth_material,
&params);
&rpl.circ_params);
if (n < 0) {
/* failure */
log_debug(LD_OR,"onion_skin_server_handshake failed.");
@ -454,8 +459,6 @@ cpuworker_onion_handshake_threadfn(void *state_, void *work_)
rpl.success = 1;
}
// TODO: pass the parameters back up so we can initialize the cc paremeters.
rpl.magic = CPUWORKER_REPLY_MAGIC;
if (req.timed) {
struct timeval tv_diff;