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Fix nonce2 sanitisation

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This commit is contained in:
Con Kolivas 2014-10-19 20:19:21 +11:00
parent eda428dc7f
commit 4a4e12a7ad
1 changed files with 5 additions and 2 deletions
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7
src/stratifier.c
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@ -2231,10 +2231,13 @@ static json_t *parse_submit(stratum_instance_t *client, json_t *json_msg,
wdiff = wb->diff;
strcpy(idstring, wb->idstring);
ASPRINTF(&fname, "%s.sharelog", wb->logdir);
/* Fix broken clients sending too many chars */
/* Fix broken clients sending too many chars. Nonce2 is part of the
* read only json so use a temporary variable and modify it. */
len = wb->enonce2varlen * 2;
if ((int)strlen(nonce2) > len)
if ((int)strlen(nonce2) > len) {
nonce2 = strdupa(nonce2);
nonce2[len] = '\0';
}
sdiff = submission_diff(client, wb, nonce2, ntime32, nonce, hash);
bswap_256(sharehash, hash);
__bin2hex(hexhash, sharehash, 32);