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#include <sys/types.h>
#include <sys/time.h>
#include <sys/wait.h>
/* >>> Chee-Wai Yeung */
#include <signal.h>
/* <<< Chee-Wai Yeung */
#include "socks.h"
#ifndef NULL
#define NULL 0L
#endif
extern pid_t socks_conn_init;
extern pid_t socks_conn_sock;
extern int socks_conn_code;
extern int socks_conn_host;
extern int socks_conn_port;
extern int socks_last_conn_host;
extern int socks_last_conn_port;
int Rselect(width, readfds, writefds, exceptfds, timeout)
int width;
fd_set *readfds, *writefds, *exceptfds;
struct timeval *timeout;
{
int wait_ret, status;
if(!socks_conn_init ) {
return(select(width, readfds, writefds, exceptfds, timeout));
}
if (readfds != NULL)
FD_CLR(socks_conn_sock, readfds);
if (exceptfds != NULL)
FD_CLR(socks_conn_sock, exceptfds);
if ((writefds == NULL) || !FD_ISSET(socks_conn_sock, writefds))
return(select(width, readfds, writefds, exceptfds, timeout));
#if defined(NO_WAITPID)
wait_ret = wait3(&status, WNOHANG, (struct rusage *) NULL);
#else
wait_ret = waitpid(socks_conn_init, &status, WNOHANG);
#endif /* #if defined(NO_WAITPID) */
if (wait_ret == 0) {
FD_CLR(socks_conn_sock, writefds);
return(select(width, readfds, writefds, exceptfds, timeout));
} else if (wait_ret == socks_conn_init) {
if (status & 0x00ff) {
kill(socks_conn_init, SIGKILL);
socks_conn_init = 0;
socks_conn_code = SOCKS_FAIL;
} else {
status = (status >> 8) & 0x00ff;
if (status == SOCKS_RESULT) {
socks_last_conn_host = socks_conn_host;
socks_last_conn_port = socks_conn_port;
}
socks_conn_init = 0;
socks_conn_code = status;
}
} else {
kill(socks_conn_init, SIGKILL);
socks_conn_init = 0;
socks_conn_code = SOCKS_FAIL;
}
return(select(width, readfds, writefds, exceptfds, timeout));
}
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