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/* DoConnect */
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <syslog.h>
#include "socks.h"
extern void sockd_fail();
#if defined(SOCKSIFIED_SOCKD)
extern int SOCKSinit();
#endif /* #if defined(SOCKSIFIED_SOCKD) */
/*
** Actually connect a socket to the outside world,
*/
#if defined(SOCKSIFIED_SOCKD)
int RDoConnect(in, dstshp, log_msg)
#else
int DoConnect(in, dstshp, log_msg)
#endif /* #if defined(SOCKSIFIED_SOCKD) */
int in;
struct sockshost_s *dstshp;
char *log_msg;
/* returns descriptor of socket connection to destination */
{
int out;
struct sockaddr_in sin;
Socks_t ndst;
int turnon = 1;
int cstat;
struct in_addr *pIP;
bzero((char *)&sin, sizeof(sin));
#if defined(SO_OOBINLINE)
setsockopt(in, SOL_SOCKET, SO_OOBINLINE, &turnon, sizeof(turnon));
#endif
ndst.version = SOCKS_REPLY_VERSION;
ndst.cmd = SOCKS_RESULT;
sin.sin_family = AF_INET;
sin.sin_port = dstshp->port;
for (pIP = dstshp->shipaddr; (*pIP).s_addr != 0; pIP++) {
sin.sin_addr.s_addr = (*pIP).s_addr;
if ((out = socket(AF_INET, SOCK_STREAM, 0)) < 0)
sockd_fail("socket()", in, &ndst,log_msg);
#if defined(SOCKSIFIED_SOCKD)
SOCKSinit("rsockd");
cstat = Rconnect(out, (struct sockaddr *)&sin, sizeof(struct sockaddr_in));
#else
cstat = connect(out, (struct sockaddr *)&sin, sizeof(struct sockaddr_in));
#endif /* #if defined(SOCKSIFIED_SOCKD) */
if (cstat != -1) break;
close(out);
}
if (cstat == -1)
sockd_fail("connect()", in, &ndst,log_msg);
syslog(LOG_LOW, "connected -- %s", log_msg);
#if defined(SO_OOBINLINE)
setsockopt(out, SOL_SOCKET, SO_OOBINLINE, &turnon, sizeof(turnon));
#endif
socks_SendDst(in, &ndst);
return out;
}
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