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tidy json validation

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Jethro Grassie 2019-02-10 22:56:32 -05:00
parent 2b36c6090c
commit f8fa048ea9
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GPG key ID: DE8ED755616565BB
1 changed files with 33 additions and 77 deletions
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110
src/pool.c
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@ -251,6 +251,7 @@ static void client_on_submit(json_object *message, client_t *client);
static void client_on_read(struct bufferevent *bev, void *ctx);
static void client_on_error(struct bufferevent *bev, short error, void *ctx);
static void client_on_accept(evutil_socket_t listener, short event, void *arg);
static void send_validation_error(const client_t *client, const char *message);
static config_t config;
static pool_clients_t pool_clients;
@ -272,6 +273,13 @@ static pool_stats_t pool_stats;
static pthread_mutex_t mutex_miner_hr = PTHREAD_MUTEX_INITIALIZER;
static FILE *fd_log;
#define JSON_GET_OR_ERROR(name, parent, type, client) \
json_object *name = NULL; \
if (!json_object_object_get_ex(parent, #name, &name)) \
return send_validation_error(client, #name " not found"); \
if (!json_object_is_type(name, type)) \
return send_validation_error(client, #name " not a " #type);
int
compare_uint64(const MDB_val *a, const MDB_val *b)
{
@ -1782,56 +1790,26 @@ send_validation_error(const client_t *client, const char *message)
static void
client_on_login(json_object *message, client_t *client)
{
struct evbuffer *output = bufferevent_get_output(client->bev);
json_object *params = NULL;
if (!json_object_object_get_ex(message, "params", &params))
return send_validation_error(client, "No params");
JSON_GET_OR_ERROR(params, message, json_type_object, client);
JSON_GET_OR_ERROR(login, params, json_type_string, client);
JSON_GET_OR_ERROR(pass, params, json_type_string, client);
json_object *login = NULL;
if (!json_object_object_get_ex(params, "login", &login))
return send_validation_error(client, "No login");
if (!json_object_is_type(login, json_type_string))
return send_validation_error(client, "login not a string");
const char *address = json_object_get_string(login);
if (!address)
{
char *body = stratum_new_error_body(client->json_id, "Invalid login address");
evbuffer_add(output, body, strlen(body));
free(body);
return;
}
uint64_t prefix;
parse_address(address, &prefix);
if (prefix != MAINNET_ADDRESS_PREFIX && prefix != TESTNET_ADDRESS_PREFIX)
{
char *body = stratum_new_error_body(client->json_id, "Only main wallet addresses are supported");
evbuffer_add(output, body, strlen(body));
free(body);
return;
}
return send_validation_error(client, "login only main wallet addresses are supported");
json_object *pass = NULL;
if (!json_object_object_get_ex(params, "pass", &pass))
return send_validation_error(client, "No pass");
if (!json_object_is_type(pass, json_type_string))
return send_validation_error(client, "pass not a string");
const char *worker_id = json_object_get_string(pass);
if (!worker_id)
{
char *body = stratum_new_error_body(client->json_id, "No password supplied");
evbuffer_add(output, body, strlen(body));
free(body);
return;
}
json_object *agent_ob = NULL;
if (json_object_object_get_ex(params, "agent", &agent_ob))
json_object *agent = NULL;
if (json_object_object_get_ex(params, "agent", &agent))
{
const char *agent = json_object_get_string(agent_ob);
if (agent)
const char *user_agent = json_object_get_string(agent);
if (user_agent)
{
strncpy(client->agent, agent, 255);
client->is_proxy = strstr(agent, "proxy") != NULL ? true : false;
strncpy(client->agent, user_agent, 255);
client->is_proxy = strstr(user_agent, "proxy") != NULL ? true : false;
}
}
@ -1850,56 +1828,34 @@ client_on_submit(json_object *message, client_t *client)
{
struct evbuffer *output = bufferevent_get_output(client->bev);
json_object *params = json_object_object_get(message, "params");
if (params == NULL)
return send_validation_error(client, "No params");
if (!json_object_is_type(params, json_type_object))
return send_validation_error(client, "params not an object");
JSON_GET_OR_ERROR(params, message, json_type_object, client);
JSON_GET_OR_ERROR(nonce, params, json_type_string, client);
JSON_GET_OR_ERROR(result, params, json_type_string, client);
JSON_GET_OR_ERROR(job_id, params, json_type_string, client);
json_object *nonce_ob = json_object_object_get(params, "nonce");
if (nonce_ob == NULL)
return send_validation_error(client, "No nonce");
if (!json_object_is_type(nonce_ob, json_type_string))
return send_validation_error(client, "nonce not a string");
char *endptr = NULL;
const char *nptr = json_object_get_string(nonce_ob);
const char *nptr = json_object_get_string(nonce);
errno = 0;
long int li = strtol(nptr, &endptr, 16);
if (errno != 0 || nptr == endptr)
return send_validation_error(client, "nonce not a long int");
const uint32_t nonce = ntohl(li);
const uint32_t result_nonce = ntohl(li);
json_object *result_ob = json_object_object_get(params, "result");
if (result_ob == NULL)
return send_validation_error(client, "No result");
if (!json_object_is_type(result_ob, json_type_string))
return send_validation_error(client, "result not a string");
const char *result_hex = json_object_get_string(result_ob);
const char *result_hex = json_object_get_string(result);
if (strlen(result_hex) != 64)
return send_validation_error(client, "result invalid length");
if (is_hex_string(result_hex) != 0)
return send_validation_error(client, "result not hex string");
json_object *job_id_ob = json_object_object_get(params, "job_id");
if (job_id_ob == NULL)
return send_validation_error(client, "No job_id");
if (!json_object_is_type(job_id_ob, json_type_string))
return send_validation_error(client, "job_id not a string");
const char *job_id = json_object_get_string(job_id_ob);
if (strlen(job_id) != 32)
const char *jid = json_object_get_string(job_id);
if (strlen(jid) != 32)
return send_validation_error(client, "job_id invalid length");
job_t *job = client_find_job(client, job_id);
if (job == NULL)
{
char *body = stratum_new_error_body(client->json_id, "Invalid job_id");
evbuffer_add(output, body, strlen(body));
log_debug("Invalid job_id: %s", job_id);
free(body);
return;
}
job_t *job = client_find_job(client, jid);
if (!job)
return send_validation_error(client, "cannot find job with job_id");
log_trace("Client submitted nonce=%d, result=%s", nonce, result_hex);
log_trace("Client submitted nonce=%d, result=%s", result_nonce, result_hex);
/*
1. Validate submission
active_job->blocktemplate_blob to bin
@ -1950,7 +1906,7 @@ client_on_submit(json_object *message, client_t *client)
}
uint128_t sub = 0;
uint32_t *psub = (uint32_t*) ⊂
*psub++ = nonce;
*psub++ = result_nonce;
*psub++ = job->extra_nonce;
*psub++ = pool_nonce;
*psub++ = worker_nonce;
@ -1979,7 +1935,7 @@ client_on_submit(json_object *message, client_t *client)
/* And the supplied nonce */
p = block;
p += 39;
memcpy(p, &nonce, sizeof(nonce));
memcpy(p, &result_nonce, sizeof(result_nonce));
/* Get hashong blob */
size_t hashing_blob_size;