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prop250: Change reveal_num to uint64_t and version to uint32_t
Signed-off-by: David Goulet <dgoulet@torproject.org>
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899d2b890b
commit
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@ -403,10 +403,10 @@ get_srv_element_from_commit(const sr_commit_t *commit)
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/* Return a srv object that is built with the construction:
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* SRV = SHA3-256("shared-random" | INT_8(reveal_num) |
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* INT_8(version) | HASHED_REVEALS | previous_SRV)
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* INT_4(version) | HASHED_REVEALS | previous_SRV)
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* This function cannot fail. */
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static sr_srv_t *
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generate_srv(const char *hashed_reveals, uint8_t reveal_num,
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generate_srv(const char *hashed_reveals, uint64_t reveal_num,
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const sr_srv_t *previous_srv)
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{
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char msg[DIGEST256_LEN + SR_SRV_MSG_LEN] = {0};
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@ -418,10 +418,10 @@ generate_srv(const char *hashed_reveals, uint8_t reveal_num,
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/* Add the invariant token. */
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memcpy(msg, SR_SRV_TOKEN, SR_SRV_TOKEN_LEN);
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offset += SR_SRV_TOKEN_LEN;
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set_uint8(msg + offset, reveal_num);
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offset += 1;
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set_uint8(msg + offset, SR_PROTO_VERSION);
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offset += 1;
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set_uint64(msg + offset, tor_htonll(reveal_num));
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offset += sizeof(uint64_t);
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set_uint32(msg + offset, htonl(SR_PROTO_VERSION));
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offset += sizeof(uint32_t);
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memcpy(msg + offset, hashed_reveals, DIGEST256_LEN);
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offset += DIGEST256_LEN;
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if (previous_srv != NULL) {
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@ -505,7 +505,7 @@ srv_to_ns_string(const sr_srv_t *srv, const char *key)
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tor_assert(key);
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sr_srv_encode(srv_hash_encoded, sizeof(srv_hash_encoded), srv);
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tor_asprintf(&srv_str, "%s %d %s\n", key,
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tor_asprintf(&srv_str, "%s %" PRIu64 " %s\n", key,
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srv->num_reveals, srv_hash_encoded);
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log_debug(LD_DIR, "SR: Consensus SRV line: %s", srv_str);
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return srv_str;
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@ -962,7 +962,7 @@ sr_generate_our_commit(time_t timestamp, const authority_cert_t *my_rsa_cert)
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void
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sr_compute_srv(void)
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{
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size_t reveal_num = 0;
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uint64_t reveal_num = 0;
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char *reveals = NULL;
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smartlist_t *chunks, *commits;
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digestmap_t *state_commits;
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@ -1019,8 +1019,7 @@ sr_compute_srv(void)
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SR_DIGEST_ALG)) {
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goto end;
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}
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tor_assert(reveal_num < UINT8_MAX);
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current_srv = generate_srv(hashed_reveals, (uint8_t) reveal_num,
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current_srv = generate_srv(hashed_reveals, reveal_num,
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sr_state_get_previous_srv());
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sr_state_set_current_srv(current_srv);
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/* We have a fresh SRV, flag our state. */
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@ -1042,7 +1041,8 @@ sr_srv_t *
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sr_parse_srv(const smartlist_t *args)
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{
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char *value;
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int num_reveals, ok, ret;
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int ok, ret;
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uint64_t num_reveals;
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sr_srv_t *srv = NULL;
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tor_assert(args);
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@ -1052,8 +1052,8 @@ sr_parse_srv(const smartlist_t *args)
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}
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/* First argument is the number of reveal values */
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num_reveals = (int)tor_parse_long(smartlist_get(args, 0),
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10, 0, INT32_MAX, &ok, NULL);
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num_reveals = tor_parse_uint64(smartlist_get(args, 0),
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10, 0, UINT64_MAX, &ok, NULL);
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if (!ok) {
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goto end;
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}
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@ -30,9 +30,9 @@
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* timestamp and the hashed random number. This adds up to 40 bytes. */
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#define SR_REVEAL_LEN (sizeof(uint64_t) + DIGEST256_LEN)
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/* Size of SRV message length. The construction is has follow:
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* "shared-random" | INT_8(reveal_num) | INT_8(version) | PREV_SRV */
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* "shared-random" | INT_8(reveal_num) | INT_4(version) | PREV_SRV */
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#define SR_SRV_MSG_LEN \
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(SR_SRV_TOKEN_LEN + 1 + 1 + DIGEST256_LEN)
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(SR_SRV_TOKEN_LEN + sizeof(uint64_t) + sizeof(uint32_t) + DIGEST256_LEN)
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/* Length of base64 encoded commit NOT including the NULL terminated byte.
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* Formula is taken from base64_encode_size. */
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@ -62,7 +62,7 @@ typedef enum {
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/* A shared random value (SRV). */
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typedef struct sr_srv_t {
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/* The number of reveal values used to derive this SRV. */
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int num_reveals;
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uint64_t num_reveals;
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/* The actual value. This is the stored result of SHA3-256. */
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uint8_t value[DIGEST256_LEN];
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} sr_srv_t;
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@ -60,7 +60,7 @@ disk_state_validate_cb(void *old_state, void *state, void *default_state,
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/* Array of variables that are saved to disk as a persistent state. */
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static config_var_t state_vars[] = {
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V(Version, INT, "0"),
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V(Version, UINT, "0"),
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V(TorVersion, STRING, NULL),
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V(ValidAfter, ISOTIME, NULL),
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V(ValidUntil, ISOTIME, NULL),
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@ -590,7 +590,7 @@ disk_state_put_srv_line(const sr_srv_t *srv, config_line_t *line)
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return;
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}
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sr_srv_encode(encoded, sizeof(encoded), srv);
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tor_asprintf(&line->value, "%d %s", srv->num_reveals, encoded);
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tor_asprintf(&line->value, "%" PRIu64 " %s", srv->num_reveals, encoded);
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}
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/* Reset disk state that is free allocated memory and zeroed the object. */
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@ -36,7 +36,7 @@ typedef struct sr_state_t {
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/* Filename of the state file on disk. */
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char *fname;
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/* Version of the protocol. */
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uint8_t version;
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uint32_t version;
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/* The valid-after of the voting period we have prepared the state for. */
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time_t valid_after;
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/* Until when is this state valid? */
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@ -76,7 +76,7 @@ typedef struct sr_state_t {
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typedef struct sr_disk_state_t {
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uint32_t magic_;
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/* Version of the protocol. */
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int Version;
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uint32_t Version;
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/* Version of our running tor. */
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char *TorVersion;
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/* Creation time of this state */
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@ -785,9 +785,6 @@ test_sr_compute_srv(void *arg)
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#define SRV_TEST_VECTOR \
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"2A9B1D6237DAB312A40F575DA85C147663E7ED3F80E9555395F15B515C74253D"
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MOCK(trusteddirserver_get_by_v3_auth_digest,
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trusteddirserver_get_by_v3_auth_digest_m);
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MOCK(trusteddirserver_get_by_v3_auth_digest,
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trusteddirserver_get_by_v3_auth_digest_m);
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