bool stratum_handle_method_m7(struct stratum_ctx *sctx, const char *s)
{
json_t *val, *id, *params;
json_error_t err;
const char *method;
bool ret = false;
val = JSON_LOADS(s, &err);
if (!val) {
applog(LOG_ERR, "JSON decode failed(%d): %s", err.line, err.text);
goto out;
}
method = json_string_value(json_object_get(val, "method"));
if (!method)
goto out;
id = json_object_get(val, "id");
params = json_object_get(val, "params");
/*
if (!strcasecmp(method, "mining.notify")) {
ret = stratum_notify(sctx, params);
goto out;
}
*/
if (!strcasecmp(method, "mining.notify")) {
// if (opt_algo == ALGO_M7) {
ret = stratum_notify_m7(sctx, params);
// } else {
// ret = stratum_notify(sctx, params);
// }
goto out;
}
if (!strcasecmp(method, "mining.set_difficulty")) {
ret = stratum_set_difficulty(sctx, params);
goto out;
}
if (!strcasecmp(method, "client.reconnect")) {
ret = stratum_reconnect(sctx, params);
goto out;
}
if (!strcasecmp(method, "client.get_version")) {
ret = stratum_get_version(sctx, id);
goto out;
}
if (!strcasecmp(method, "client.show_message")) {
ret = stratum_show_message(sctx, id, params);
goto out;
}
out:
if (val)
json_decref(val);
return ret;
}
bool stratum_authorize(struct stratum_ctx *sctx, const char *user, const char *pass)
{
json_t *val = NULL, *res_val, *err_val;
char *s, *sret;
json_error_t err;
bool ret = false;
s = (char*)malloc(80 + strlen(user) + strlen(pass));
sprintf(s, "{\"id\": 2, \"method\": \"mining.authorize\", \"params\": [\"%s\", \"%s\"]}",
user, pass);
if (!stratum_send_line(sctx, s))
goto out;
while (1) {
sret = stratum_recv_line(sctx);
if (!sret)
goto out;
if (!stratum_handle_method(sctx, sret))
break;
free(sret);
}
val = JSON_LOADS(sret, &err);
free(sret);
if (!val) {
applog(LOG_ERR, "JSON decode failed(%d): %s", err.line, err.text);
goto out;
}
res_val = json_object_get(val, "result");
err_val = json_object_get(val, "error");
if (!res_val || json_is_false(res_val) ||
(err_val && !json_is_null(err_val))) {
applog(LOG_ERR, "Stratum authentication failed");
goto out;
}
ret = true;
out:
free(s);
if (val)
json_decref(val);
return ret;
}
static json_t *cjson_decode(void *buf, size_t buflen)
{
json_t *obj = NULL;
json_error_t err;
void *obj_unc = NULL;
unsigned long dest_len;
void *comp_p;
uint32_t unc_len;
unsigned char zero = 0;
if (buflen < 6)
return NULL;
/* look at first 32 bits of buffer, which contains uncompressed len */
unc_len = le32toh(*((uint32_t *)buf));
if (unc_len > CLI_MAX_MSG)
return NULL;
/* alloc buffer for uncompressed data */
obj_unc = malloc(unc_len + 1);
if (!obj_unc)
return NULL;
dest_len = unc_len;
/* decompress buffer (excluding first 32 bits) */
comp_p = buf + 4;
if (uncompress(obj_unc, &dest_len, comp_p, buflen - 4) != Z_OK)
goto out;
if (dest_len != unc_len)
goto out;
memcpy(obj_unc + unc_len, &zero, 1); /* null terminate */
/* attempt JSON decode of buffer */
obj = JSON_LOADS(obj_unc, &err);
out:
free(obj_unc);
return obj;
}
bool stratum_authorize(struct stratum_ctx *sctx, const char *user, const char *pass)
{
json_t *val = NULL, *res_val, *err_val;
char *s, *sret;
json_error_t err;
bool ret = false;
if(jsonrpc_2) {
s = (char*)malloc(300 + strlen(user) + strlen(pass));
sprintf(s, "{\"method\": \"login\", \"params\": {\"login\": \"%s\", \"pass\": \"%s\", \"agent\": \"cpuminer-multi/0.1\"}, \"id\": 1}",
user, pass);
} else {
s = (char*)malloc(80 + strlen(user) + strlen(pass));
sprintf(s, "{\"id\": 2, \"method\": \"mining.authorize\", \"params\": [\"%s\", \"%s\"]}",
user, pass);
}
if (!stratum_send_line(sctx, s))
goto out;
while (1) {
sret = stratum_recv_line(sctx);
if (!sret)
goto out;
if (!stratum_handle_method(sctx, sret))
break;
free(sret);
}
val = JSON_LOADS(sret, &err);
free(sret);
if (!val) {
applog(LOG_ERR, "JSON decode failed(%d): %s", err.line, err.text);
goto out;
}
res_val = json_object_get(val, "result");
err_val = json_object_get(val, "error");
if (!res_val || json_is_false(res_val) ||
(err_val && !json_is_null(err_val))) {
applog(LOG_ERR, "Stratum authentication failed");
goto out;
}
if(jsonrpc_2) {
rpc2_login_decode(val);
json_t *job_val = json_object_get(res_val, "job");
pthread_mutex_lock(&sctx->work_lock);
if(job_val) rpc2_job_decode(job_val, &sctx->work);
pthread_mutex_unlock(&sctx->work_lock);
}
ret = true;
out:
free(s);
if (val)
json_decref(val);
return ret;
}
bool stratum_subscribe(struct stratum_ctx *sctx)
{
if(jsonrpc_2) return true;
char *s, *sret = NULL;
const char *sid, *xnonce1;
int xn2_size;
json_t *val = NULL, *res_val, *err_val;
json_error_t err;
bool ret = false, retry = false;
start:
s = (char*)malloc(128 + (sctx->session_id ? strlen(sctx->session_id) : 0));
if (retry)
sprintf(s, "{\"id\": 1, \"method\": \"mining.subscribe\", \"params\": []}");
else if (sctx->session_id)
sprintf(s, "{\"id\": 1, \"method\": \"mining.subscribe\", \"params\": [\"" USER_AGENT "\", \"%s\"]}", sctx->session_id);
else
sprintf(s, "{\"id\": 1, \"method\": \"mining.subscribe\", \"params\": [\"" USER_AGENT "\"]}");
if (!stratum_send_line(sctx, s))
goto out;
if (!socket_full(sctx->sock, 30)) {
applog(LOG_ERR, "stratum_subscribe timed out");
goto out;
}
sret = stratum_recv_line(sctx);
if (!sret)
goto out;
val = JSON_LOADS(sret, &err);
free(sret);
if (!val) {
applog(LOG_ERR, "JSON decode failed(%d): %s", err.line, err.text);
goto out;
}
res_val = json_object_get(val, "result");
err_val = json_object_get(val, "error");
if (!res_val || json_is_null(res_val) ||
(err_val && !json_is_null(err_val))) {
if (opt_debug || retry) {
free(s);
if (err_val)
s = json_dumps(err_val, JSON_INDENT(3));
else
s = strdup("(unknown reason)");
applog(LOG_ERR, "JSON-RPC call failed: %s", s);
}
goto out;
}
sid = get_stratum_session_id(res_val);
if (opt_debug && !sid)
applog(LOG_DEBUG, "Failed to get Stratum session id");
xnonce1 = json_string_value(json_array_get(res_val, 1));
if (!xnonce1) {
applog(LOG_ERR, "Failed to get extranonce1");
goto out;
}
xn2_size = json_integer_value(json_array_get(res_val, 2));
if (!xn2_size) {
applog(LOG_ERR, "Failed to get extranonce2_size");
goto out;
}
pthread_mutex_lock(&sctx->work_lock);
free(sctx->session_id);
free(sctx->xnonce1);
sctx->session_id = sid ? strdup(sid) : NULL;
sctx->xnonce1_size = strlen(xnonce1) / 2;
sctx->xnonce1 = (unsigned char*)malloc(sctx->xnonce1_size);
hex2bin(sctx->xnonce1, xnonce1, sctx->xnonce1_size);
sctx->xnonce2_size = xn2_size;
sctx->next_diff = 1.0;
pthread_mutex_unlock(&sctx->work_lock);
if (opt_debug && sid)
applog(LOG_DEBUG, "Stratum session id: %s", sctx->session_id);
ret = true;
out:
free(s);
if (val)
json_decref(val);
if (!ret) {
if (sret && !retry) {
retry = true;
goto start;
}
}
return ret;
}
json_t *json_rpc_call(CURL *curl, const char *url,
const char *userpass, const char *rpc_req,
bool longpoll_scan, bool longpoll, int *curl_err)
{
json_t *val, *err_val, *res_val;
int rc;
struct data_buffer all_data = {0};
struct upload_buffer upload_data;
json_error_t err;
struct curl_slist *headers = NULL;
char len_hdr[64];
char curl_err_str[CURL_ERROR_SIZE];
long timeout = longpoll ? opt_timeout : 30;
struct header_info hi = {0};
bool lp_scanning = longpoll_scan && !have_longpoll;
/* it is assumed that 'curl' is freshly [re]initialized at this pt */
if (opt_protocol)
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
curl_easy_setopt(curl, CURLOPT_URL, url);
if (opt_cert)
curl_easy_setopt(curl, CURLOPT_CAINFO, opt_cert);
curl_easy_setopt(curl, CURLOPT_ENCODING, "");
curl_easy_setopt(curl, CURLOPT_FAILONERROR, 1);
curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
curl_easy_setopt(curl, CURLOPT_TCP_NODELAY, 1);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, all_data_cb);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &all_data);
curl_easy_setopt(curl, CURLOPT_READFUNCTION, upload_data_cb);
curl_easy_setopt(curl, CURLOPT_READDATA, &upload_data);
#if LIBCURL_VERSION_NUM >= 0x071200
curl_easy_setopt(curl, CURLOPT_SEEKFUNCTION, &seek_data_cb);
curl_easy_setopt(curl, CURLOPT_SEEKDATA, &upload_data);
#endif
curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_err_str);
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
curl_easy_setopt(curl, CURLOPT_TIMEOUT, timeout);
curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, resp_hdr_cb);
curl_easy_setopt(curl, CURLOPT_HEADERDATA, &hi);
if (opt_proxy) {
curl_easy_setopt(curl, CURLOPT_PROXY, opt_proxy);
curl_easy_setopt(curl, CURLOPT_PROXYTYPE, opt_proxy_type);
}
if (userpass) {
curl_easy_setopt(curl, CURLOPT_USERPWD, userpass);
curl_easy_setopt(curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
}
#if LIBCURL_VERSION_NUM >= 0x070f06
if (longpoll)
curl_easy_setopt(curl, CURLOPT_SOCKOPTFUNCTION, sockopt_keepalive_cb);
#endif
curl_easy_setopt(curl, CURLOPT_POST, 1);
if (opt_protocol)
applog(LOG_DEBUG, "JSON protocol request:\n%s\n", rpc_req);
upload_data.buf = rpc_req;
upload_data.len = strlen(rpc_req);
upload_data.pos = 0;
sprintf(len_hdr, "Content-Length: %lu",
(unsigned long) upload_data.len);
headers = curl_slist_append(headers, "Content-Type: application/json");
headers = curl_slist_append(headers, len_hdr);
headers = curl_slist_append(headers, "User-Agent: " USER_AGENT);
headers = curl_slist_append(headers, "X-Mining-Extensions: midstate");
headers = curl_slist_append(headers, "Accept:"); /* disable Accept hdr*/
headers = curl_slist_append(headers, "Expect:"); /* disable Expect hdr*/
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
rc = curl_easy_perform(curl);
if (curl_err != NULL)
*curl_err = rc;
if (rc) {
if (!(longpoll && rc == CURLE_OPERATION_TIMEDOUT))
applog(LOG_ERR, "HTTP request failed: %s", curl_err_str);
goto err_out;
}
/* If X-Stratum was found, activate Stratum */
if (want_stratum && hi.stratum_url &&
!strncasecmp(hi.stratum_url, "stratum+tcp://", 14) &&
!(opt_proxy && opt_proxy_type == CURLPROXY_HTTP)) {
have_stratum = true;
tq_push(thr_info[stratum_thr_id].q, hi.stratum_url);
hi.stratum_url = NULL;
}
/* If X-Long-Polling was found, activate long polling */
if (lp_scanning && hi.lp_path && !have_stratum) {
have_longpoll = true;
tq_push(thr_info[longpoll_thr_id].q, hi.lp_path);
hi.lp_path = NULL;
}
if (!all_data.buf) {
applog(LOG_ERR, "Empty data received in json_rpc_call.");
goto err_out;
}
val = JSON_LOADS((const char*)all_data.buf, &err);
if (!val) {
applog(LOG_ERR, "JSON decode failed(%d): %s", err.line, err.text);
goto err_out;
}
if (opt_protocol) {
char *s = json_dumps(val, JSON_INDENT(3));
applog(LOG_DEBUG, "JSON protocol response:\n%s", s);
free(s);
}
/* JSON-RPC valid response returns a non-null 'result',
* and a null 'error'. */
res_val = json_object_get(val, "result");
err_val = json_object_get(val, "error");
if (!res_val || json_is_null(res_val) ||
(err_val && !json_is_null(err_val))) {
char *s;
if (err_val)
s = json_dumps(err_val, JSON_INDENT(3));
else
s = strdup("(unknown reason)");
applog(LOG_ERR, "JSON-RPC call failed: %s", s);
free(s);
goto err_out;
}
if (hi.reason)
json_object_set_new(val, "reject-reason", json_string(hi.reason));
databuf_free(&all_data);
curl_slist_free_all(headers);
curl_easy_reset(curl);
return val;
err_out:
free(hi.lp_path);
free(hi.reason);
free(hi.stratum_url);
databuf_free(&all_data);
curl_slist_free_all(headers);
curl_easy_reset(curl);
return NULL;
}
json_t *json_rpc_call(CURL *curl, const char *url,
const char *userpass, const char *rpc_req,
bool probe, bool longpoll, int *rolltime,
struct pool *pool, bool share)
{
long timeout = longpoll ? (60 * 60) : 60;
struct data_buffer all_data = {NULL, 0};
struct header_info hi = {NULL, 0, NULL, NULL, false, false, false};
char len_hdr[64], user_agent_hdr[128];
char curl_err_str[CURL_ERROR_SIZE];
struct curl_slist *headers = NULL;
struct upload_buffer upload_data;
json_t *val, *err_val, *res_val;
bool probing = false;
double byte_count;
json_error_t err;
int rc;
memset(&err, 0, sizeof(err));
/* it is assumed that 'curl' is freshly [re]initialized at this pt */
if (probe)
probing = !pool->probed;
curl_easy_setopt(curl, CURLOPT_TIMEOUT, timeout);
// CURLOPT_VERBOSE won't write to stderr if we use CURLOPT_DEBUGFUNCTION
curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, curl_debug_cb);
curl_easy_setopt(curl, CURLOPT_DEBUGDATA, (void *)pool);
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_ENCODING, "");
curl_easy_setopt(curl, CURLOPT_FAILONERROR, 1);
/* Shares are staggered already and delays in submission can be costly
* so do not delay them */
if (!opt_delaynet || share)
curl_easy_setopt(curl, CURLOPT_TCP_NODELAY, 1);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, all_data_cb);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &all_data);
curl_easy_setopt(curl, CURLOPT_READFUNCTION, upload_data_cb);
curl_easy_setopt(curl, CURLOPT_READDATA, &upload_data);
curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_err_str);
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, resp_hdr_cb);
curl_easy_setopt(curl, CURLOPT_HEADERDATA, &hi);
curl_easy_setopt(curl, CURLOPT_USE_SSL, CURLUSESSL_TRY);
if (pool->rpc_proxy) {
curl_easy_setopt(curl, CURLOPT_PROXY, pool->rpc_proxy);
curl_easy_setopt(curl, CURLOPT_PROXYTYPE, pool->rpc_proxytype);
} else if (opt_socks_proxy) {
curl_easy_setopt(curl, CURLOPT_PROXY, opt_socks_proxy);
curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS4);
}
if (userpass) {
curl_easy_setopt(curl, CURLOPT_USERPWD, userpass);
curl_easy_setopt(curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
}
if (longpoll)
keep_curlalive(curl);
curl_easy_setopt(curl, CURLOPT_POST, 1);
if (opt_protocol)
applog(LOG_DEBUG, "JSON protocol request:\n%s", rpc_req);
upload_data.buf = rpc_req;
upload_data.len = strlen(rpc_req);
sprintf(len_hdr, "Content-Length: %lu",
(unsigned long) upload_data.len);
sprintf(user_agent_hdr, "User-Agent: %s", PACKAGE_STRING);
headers = curl_slist_append(headers,
"Content-type: application/json");
headers = curl_slist_append(headers,
"X-Mining-Extensions: longpoll midstate rollntime submitold");
if (likely(global_hashrate)) {
char ghashrate[255];
sprintf(ghashrate, "X-Mining-Hashrate: %llu", global_hashrate);
headers = curl_slist_append(headers, ghashrate);
}
headers = curl_slist_append(headers, len_hdr);
headers = curl_slist_append(headers, user_agent_hdr);
headers = curl_slist_append(headers, "Expect:"); /* disable Expect hdr*/
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
if (opt_delaynet) {
/* Don't delay share submission, but still track the nettime */
if (!share) {
long long now_msecs, last_msecs;
struct timeval2 now, last;
gettimeofday(&now, NULL);
last_nettime(&last);
now_msecs = (long long)now.tv_sec * 1000;
now_msecs += now.tv_usec / 1000;
last_msecs = (long long)last.tv_sec * 1000;
last_msecs += last.tv_usec / 1000;
if (now_msecs > last_msecs && now_msecs - last_msecs < 250) {
struct timespec rgtp;
rgtp.tv_sec = 0;
rgtp.tv_nsec = (250 - (now_msecs - last_msecs)) * 1000000;
nanosleep(&rgtp, NULL);
}
}
set_nettime();
}
rc = curl_easy_perform(curl);
if (rc) {
applog(LOG_INFO, "HTTP request failed: %s", curl_err_str);
goto err_out;
}
if (!all_data.buf) {
applog(LOG_DEBUG, "Empty data received in json_rpc_call.");
goto err_out;
}
pool->cgminer_pool_stats.times_sent++;
if (curl_easy_getinfo(curl, CURLINFO_SIZE_UPLOAD, &byte_count) == CURLE_OK)
pool->cgminer_pool_stats.bytes_sent += byte_count;
pool->cgminer_pool_stats.times_received++;
if (curl_easy_getinfo(curl, CURLINFO_SIZE_DOWNLOAD, &byte_count) == CURLE_OK)
pool->cgminer_pool_stats.bytes_received += byte_count;
if (probing) {
pool->probed = true;
/* If X-Long-Polling was found, activate long polling */
if (hi.lp_path) {
if (pool->hdr_path != NULL)
free(pool->hdr_path);
pool->hdr_path = hi.lp_path;
} else
pool->hdr_path = NULL;
if (hi.stratum_url) {
pool->stratum_url = hi.stratum_url;
hi.stratum_url = NULL;
}
} else {
if (hi.lp_path) {
free(hi.lp_path);
hi.lp_path = NULL;
}
if (hi.stratum_url) {
free(hi.stratum_url);
hi.stratum_url = NULL;
}
}
*rolltime = hi.rolltime;
pool->cgminer_pool_stats.rolltime = hi.rolltime;
pool->cgminer_pool_stats.hadrolltime = hi.hadrolltime;
pool->cgminer_pool_stats.canroll = hi.canroll;
pool->cgminer_pool_stats.hadexpire = hi.hadexpire;
val = JSON_LOADS(all_data.buf, &err);
if (!val) {
applog(LOG_INFO, "JSON decode failed(%d): %s", err.line, err.text);
if (opt_protocol)
applog(LOG_DEBUG, "JSON protocol response:\n%s", all_data.buf);
goto err_out;
}
if (opt_protocol) {
char *s = json_dumps(val, JSON_INDENT(3));
applog(LOG_DEBUG, "JSON protocol response:\n%s", s);
free(s);
}
/* JSON-RPC valid response returns a non-null 'result',
* and a null 'error'.
*/
res_val = json_object_get(val, "result");
err_val = json_object_get(val, "error");
if (!res_val ||(err_val && !json_is_null(err_val))) {
char *s;
if (err_val)
s = json_dumps(err_val, JSON_INDENT(3));
else
s = strdup("(unknown reason)");
applog(LOG_INFO, "JSON-RPC call failed: %s", s);
free(s);
goto err_out;
}
if (hi.reason) {
json_object_set_new(val, "reject-reason", json_string(hi.reason));
free(hi.reason);
hi.reason = NULL;
}
successful_connect = true;
databuf_free(&all_data);
curl_slist_free_all(headers);
curl_easy_reset(curl);
return val;
err_out:
databuf_free(&all_data);
curl_slist_free_all(headers);
curl_easy_reset(curl);
if (!successful_connect)
applog(LOG_DEBUG, "Failed to connect in json_rpc_call");
curl_easy_setopt(curl, CURLOPT_FRESH_CONNECT, 1);
return NULL;
}
static void http_handle_req(struct evhttp_request *req, lp_type longpoll, bool *req_valid)
{
const char *clen_str;
char *body_str;
char username[65] = "";
void *body, *reply = NULL;
int clen = 0;
unsigned int reply_len = 0;
json_t *jreq;
json_error_t jerr;
bool rc;
struct evbuffer *evbuf;
if (!http_get_username(req, username, req->chunked))
return;
if (longpoll == LP_NONE) {
clen_str = evhttp_find_header(req->input_headers, "Content-Length");
if (clen_str)
clen = atoi(clen_str);
if (clen < 1 || clen > 999999) {
reqlog(req->remote_host, username, req->uri);
goto err_out_bad_req;
}
if (EVBUFFER_LENGTH(req->input_buffer) != clen)
goto err_out_bad_req;
body = EVBUFFER_DATA(req->input_buffer);
body_str = strndup(body, clen);
if (!body_str)
goto err_out_bad_req;
} else if (longpoll == LP_REPLY) {
body_str = strdup("{\"method\":\"getwork\",\"params\":[],\"id\":1}");
} else if (longpoll == LP_KEEPALIVE || longpoll == LP_CLOSE) {
reply = malloc(sizeof(char) * 2);
if (!reply)
goto err_out_bad_req;
reply_len = snprintf(reply, 2, " ");
}
if (!reply) {
jreq = JSON_LOADS(body_str, &jerr);
free(body_str);
if (!jreq)
goto err_out_bad_req;
rc = msg_json_rpc(req, jreq, username, &reply, &reply_len);
json_decref(jreq);
if (!rc)
goto err_out_bad_req;
}
evbuf = evbuffer_new();
if (!evbuf) {
free(reply);
goto err_out_bad_req;
}
if (evbuffer_add(evbuf, reply, reply_len)) {
evbuffer_free(evbuf);
free(reply);
goto err_out_bad_req;
}
free(reply);
/* req_valid is a pointer to the valid member of the list struct
* containing the LP request. When the connection drops and
* http_lp_close_cb is called, this bool is set to false. Because we
* have the reference, we can check before each send command if the
* close callback has been called or if the request is still OK.
*
* We only have to check this when sending chunked, because if we send
* in one go, there is nothing that could have closed the request, as
* we're single threaded. For now.
*/
if (longpoll == LP_NONE) {
/* Send normal requests not chunked */
evhttp_send_reply(req, HTTP_OK, "ok", evbuf);
} else {
if (!req->chunked && is_valid(req_valid))
evhttp_send_reply_start(req, HTTP_OK, "ok");
if (is_valid(req_valid))
evhttp_send_reply_chunk(req, evbuf);
if (longpoll != LP_KEEPALIVE && is_valid(req_valid))
evhttp_send_reply_end(req);
}
evbuffer_free(evbuf);
return;
err_out_bad_req:
/* When we've already sent headers, we can't really give an error so
* we just send an empty reply...
*/
if (req->chunked) {
if (is_valid(req_valid))
evhttp_send_reply_end(req);
} else {
evhttp_send_reply(req, HTTP_BADREQUEST, "invalid args", NULL);
}
}
json_t *json_rpc_call(CURL *curl, const char *url,
const char *userpass, const char *rpc_req)
{
json_t *val, *err_val, *res_val;
int rc;
struct data_buffer all_data = { };
struct upload_buffer upload_data;
json_error_t err = { };
struct curl_slist *headers = NULL;
char len_hdr[64];
char curl_err_str[CURL_ERROR_SIZE];
/* it is assumed that 'curl' is freshly [re]initialized at this pt */
if (debugging > 1)
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_ENCODING, "");
curl_easy_setopt(curl, CURLOPT_FAILONERROR, 1);
curl_easy_setopt(curl, CURLOPT_TCP_NODELAY, 1);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, all_data_cb);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &all_data);
curl_easy_setopt(curl, CURLOPT_READFUNCTION, upload_data_cb);
curl_easy_setopt(curl, CURLOPT_READDATA, &upload_data);
curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_err_str);
if (userpass) {
curl_easy_setopt(curl, CURLOPT_USERPWD, userpass);
curl_easy_setopt(curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
}
curl_easy_setopt(curl, CURLOPT_POST, 1);
if (debugging > 1)
printf("JSON protocol request:\n%s\n", rpc_req);
upload_data.buf = rpc_req;
upload_data.len = strlen(rpc_req);
sprintf(len_hdr, "Content-Length: %lu",
(unsigned long) upload_data.len);
headers = curl_slist_append(headers,
"Content-type: application/json");
headers = curl_slist_append(headers, len_hdr);
headers = curl_slist_append(headers, "Expect:"); /* disable Expect hdr*/
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
rc = curl_easy_perform(curl);
if (rc) {
applog(LOG_ERR, "HTTP request failed: %s", curl_err_str);
goto err_out;
}
val = JSON_LOADS(all_data.buf, &err);
if (!val) {
applog(LOG_ERR, "JSON decode failed(%d): %s", err.line, err.text);
goto err_out;
}
if (debugging > 1) {
char *s = json_dumps(val, JSON_INDENT(3));
printf("JSON protocol response:\n%s\n", s);
free(s);
}
/* JSON-RPC valid response returns a non-null 'result',
* and a null 'error'.
*/
res_val = json_object_get(val, "result");
err_val = json_object_get(val, "error");
if (!res_val || json_is_null(res_val) ||
(err_val && !json_is_null(err_val))) {
char *s;
if (err_val)
s = json_dumps(err_val, JSON_INDENT(3));
else
s = strdup("(unknown reason)");
applog(LOG_ERR, "JSON-RPC call failed: %s", s);
free(s);
goto err_out;
}
databuf_free(&all_data);
curl_slist_free_all(headers);
curl_easy_reset(curl);
return val;
err_out:
databuf_free(&all_data);
curl_slist_free_all(headers);
curl_easy_reset(curl);
return NULL;
}
void read_config(void)
{
json_t *jcfg, *cred_expire;
json_error_t err;
const char *tmp_str, *rpcuser, *rpcpass;
char *file_data;
file_data = read_commented_file(srv.config);
if (!file_data)
exit(1);
jcfg = JSON_LOADS(file_data, &err);
free(file_data);
if (!jcfg) {
applog(LOG_ERR, "%s: JSON parse failed", srv.config);
exit(1);
}
if (!json_is_object(jcfg)) {
applog(LOG_ERR, "top-level JSON value not an object");
exit(1);
}
parse_listen(json_object_get(jcfg, "listen"));
parse_database(json_object_get(jcfg, "database"));
parse_memcached(json_object_get(jcfg, "memcached"));
if (elist_empty(&srv.listeners)) {
applog(LOG_ERR, "error: no listen addresses specified");
exit(1);
}
tmp_str = json_string_value(json_object_get(jcfg, "pid"));
if (tmp_str)
srv.pid_file = strdup(tmp_str);
tmp_str = json_string_value(json_object_get(jcfg, "forcehost"));
if (tmp_str)
srv.ourhost = strdup(tmp_str);
srv.any_password = (json_is_true(json_object_get(jcfg, "any_password"))) ?
true : false;
srv.bother_upstream = (json_is_true(json_object_get(jcfg, "bother_upstream"))) ?
true : false;
tmp_str = json_string_value(json_object_get(jcfg, "log.requests"));
if (tmp_str) {
srv.req_log = strdup(tmp_str);
srv.req_fd = open(srv.req_log,
O_WRONLY | O_CREAT | O_APPEND, 0666);
if (srv.req_fd < 0) {
syslogerr(srv.req_log);
exit(1);
}
}
tmp_str = json_string_value(json_object_get(jcfg, "log.shares"));
if (tmp_str) {
srv.share_log = strdup(tmp_str);
srv.share_fd = open(srv.share_log,
O_WRONLY | O_CREAT | O_APPEND, 0666);
if (srv.share_fd < 0) {
syslogerr(srv.share_log);
exit(1);
}
}
if (json_is_true(json_object_get(jcfg, "longpoll.disable")))
srv.disable_lp = true;
cred_expire = json_object_get(jcfg, "auth.cred_cache.expire");
if (json_is_integer(cred_expire))
srv.cred_expire = json_integer_value(cred_expire);
tmp_str = json_string_value(json_object_get(jcfg, "rpc.url"));
if (!tmp_str) {
applog(LOG_ERR, "error: no RPC URL specified");
exit(1);
}
srv.rpc_url = strdup(tmp_str);
rpcuser = json_string_value(json_object_get(jcfg, "rpc.user"));
rpcpass = json_string_value(json_object_get(jcfg, "rpc.pass"));
if (!rpcuser || !rpcpass) {
applog(LOG_ERR, "error: no RPC user and/or password specified");
exit(1);
}
if (asprintf(&srv.rpc_userpass, "%s:%s", rpcuser, rpcpass) < 0) {
applog(LOG_ERR, "OOM");
exit(1);
}
if (json_is_true(json_object_get(jcfg, "rpc.target.rewrite")))
srv.easy_target = json_string(EASY_TARGET);
if (!srv.pid_file) {
if (!(srv.pid_file = strdup("/var/run/pushpoold.pid"))) {
applog(LOG_ERR, "no core");
exit(1);
}
}
if (json_is_true(json_object_get(jcfg, "roll.ntime.disable")))
srv.disable_roll_ntime = true;
json_decref(jcfg);
}
