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stratum: extra check about ntime range

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This commit is contained in:
Tanguy Pruvot 2016-06-01 06:33:29 +02:00
parent 96097edfe9
commit aed4a0a856
1 changed files with 17 additions and 5 deletions
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22
stratum/client_submit.cpp
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@ -311,6 +311,18 @@ void client_submit_error(YAAMP_CLIENT *client, YAAMP_JOB *job, int id, const cha
object_unlock(job);
}
static bool ntime_valid_range(const char ntimehex[])
{
time_t rawtime = 0;
uint32_t ntime = 0;
if (strlen(ntimehex) != 8) return false;
sscanf(ntimehex, "%8x", &ntime);
if (ntime < 0x57000000 || ntime > 0x60000000) // 14 Jan 2021
ntime = bswap32(ntime); // just in case...
time(&rawtime);
return ((rawtime - ntime) < (23 * 60 * 60));
}
bool client_submit(YAAMP_CLIENT *client, json_value *json_params)
{
// submit(worker_name, jobid, extranonce2, ntime, nonce):
@ -372,11 +384,11 @@ bool client_submit(YAAMP_CLIENT *client, json_value *json_params)
return true;
}
// if(strcmp(ntime, templ->ntime))
// {
// client_submit_error(client, job, 23, "Invalid time rolling", extranonce2, ntime, nonce);
// return true;
// }
if(strcmp(ntime, templ->ntime) && !ntime_valid_range(ntime))
{
client_submit_error(client, job, 23, "Invalid time rolling", extranonce2, ntime, nonce);
return true;
}
YAAMP_SHARE *share = share_find(job->id, extranonce2, ntime, nonce, client->extranonce1);
if(share)