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Add support for socks5 proxy with stratum

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This commit is contained in:
Con Kolivas 2013-09-06 09:21:46 +10:00
parent 17019804c1
commit d7003ecccf
1 changed files with 61 additions and 0 deletions
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61
util.c
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@ -1783,6 +1783,63 @@ static bool http_negotiate(struct pool *pool, int sockd, bool http0)
return true; return true;
} }
static bool socks5_negotiate(struct pool *pool, int sockd)
{
unsigned char atyp, uclen;
unsigned short port;
char buf[515];
int i, len;
buf[0] = 0x05;
buf[1] = 0x01;
buf[2] = 0x00;
send(sockd, buf, 3, 0);
if (recv_byte(sockd) != 0x05 || recv_byte(sockd) != buf[2]) {
applog(LOG_WARNING, "Bad response from %s:%s SOCKS5 server",
pool->sockaddr_proxy_url, pool->sockaddr_proxy_port );
return false;
}
buf[0] = 0x05;
buf[1] = 0x01;
buf[2] = 0x00;
buf[3] = 0x03;
len = (strlen(pool->sockaddr_url));
if (len > 255)
len = 255;
uclen = len;
buf[4] = (uclen & 0xff);
memcpy(buf + 5, pool->sockaddr_url, len);
port = atoi(pool->stratum_port);
buf[5 + len] = (port >> 8);
buf[6 + len] = (port & 0xff);
send(sockd, buf, (7 + len), 0);
if (recv_byte(sockd) != 0x05 || recv_byte(sockd) != 0x00) {
applog(LOG_WARNING, "Bad response from %s:%s SOCKS5 server",
pool->sockaddr_proxy_url, pool->sockaddr_proxy_port );
return false;
}
recv_byte(sockd);
atyp = recv_byte(sockd);
if (atyp == 0x01) {
for (i = 0; i < 4; i++)
recv_byte(sockd);
} else if (atyp == 0x03) {
len = recv_byte(sockd);
for (i = 0; i < len; i++)
recv_byte(sockd);
} else {
applog(LOG_WARNING, "Bad response from %s:%s SOCKS5 server",
pool->sockaddr_proxy_url, pool->sockaddr_proxy_port );
return false;
}
for (i = 0; i < 2; i++)
recv_byte(sockd);
return true;
}
static bool setup_stratum_socket(struct pool *pool) static bool setup_stratum_socket(struct pool *pool)
{ {
struct addrinfo servinfobase, *servinfo, *hints, pbase, *p; struct addrinfo servinfobase, *servinfo, *hints, pbase, *p;
@ -1854,6 +1911,10 @@ static bool setup_stratum_socket(struct pool *pool)
if (!http_negotiate(pool, sockd, false)) if (!http_negotiate(pool, sockd, false))
return false; return false;
break; break;
case CURLPROXY_SOCKS5:
if (!socks5_negotiate(pool, sockd))
return false;
break;
default: default:
applog(LOG_WARNING, "Unsupported proxy type for %s:%s", applog(LOG_WARNING, "Unsupported proxy type for %s:%s",
pool->sockaddr_proxy_url, pool->sockaddr_proxy_port); pool->sockaddr_proxy_url, pool->sockaddr_proxy_port);