solisten(port, laddr, lport, flags) u_int port; u_int32_t laddr; u_int lport; int flags; { struct sockaddr_in addr; struct socket *so; int s, addrlen = sizeof(addr), opt = 1; DEBUG_CALL("solisten"); DEBUG_ARG("port = %d", port); DEBUG_ARG("laddr = %x", laddr); DEBUG_ARG("lport = %d", lport); DEBUG_ARG("flags = %x", flags); if ((so = socreate()) == NULL) { /* free(so); Not sofree() ??? free(NULL) == NOP */ return NULL; } /* Don't tcp_attach... we don't need so_snd nor so_rcv */ if ((so->so_tcpcb = tcp_newtcpcb(so)) == NULL) { free(so); return NULL; } insque(so,&tcb); /* * SS_FACCEPTONCE sockets must time out. */ if (flags & SS_FACCEPTONCE) so->so_tcpcb->t_timer[TCPT_KEEP] = TCPTV_KEEP_INIT*2; so->so_state = (SS_FACCEPTCONN|flags); so->so_lport = lport; /* Kept in network format */ so->so_laddr.s_addr = laddr; /* Ditto */ addr.sin_family = AF_INET; addr.sin_addr.s_addr = INADDR_ANY; addr.sin_port = port; if (((s = socket(AF_INET,SOCK_STREAM,0)) < 0) || (setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&opt,sizeof(int)) < 0) || (bind(s,(struct sockaddr *)&addr, sizeof(addr)) < 0) || (listen(s,1) < 0)) { int tmperrno = errno; /* Don't clobber the real reason we failed */ close(s); sofree(so); /* Restore the real errno */ #ifdef _WIN32 WSASetLastError(tmperrno); #else errno = tmperrno; #endif return NULL; } setsockopt(s,SOL_SOCKET,SO_OOBINLINE,(char *)&opt,sizeof(int)); getsockname(s,(struct sockaddr *)&addr,&addrlen); so->so_fport = addr.sin_port; if (addr.sin_addr.s_addr == 0 || addr.sin_addr.s_addr == loopback_addr.s_addr) so->so_faddr = alias_addr; else so->so_faddr = addr.sin_addr; so->s = s; return so; }
solisten(port, laddr, lport, flags) u_int port; u_int32_t laddr; u_int lport; int flags; { struct sockaddr_in addr; struct socket *so; int s, addrlen = sizeof(addr), opt = 1; DEBUG_CALL("solisten"); DEBUG_ARG("port = %d", port); DEBUG_ARG("laddr = %x", laddr); DEBUG_ARG("lport = %d", lport); DEBUG_ARG("flags = %x", flags); if ((so = socreate()) == NULL) {   return NULL; }   if ((so->so_tcpcb = tcp_newtcpcb(so)) == NULL) { free(so); return NULL; } insque(so,&tcb);   if (flags & SS_FACCEPTONCE) so->so_tcpcb->t_timer[TCPT_KEEP] = TCPTV_KEEP_INIT*2; so->so_state = (SS_FACCEPTCONN|flags); so->so_lport = lport;   so->so_laddr.s_addr = laddr;   addr.sin_family = AF_INET; addr.sin_addr.s_addr = INADDR_ANY; addr.sin_port = port; if (((s = socket(AF_INET,SOCK_STREAM,0)) < 0) || (setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&opt,sizeof(int)) < 0) || (bind(s,(struct sockaddr *)&addr, sizeof(addr)) < 0) || (listen(s,1) < 0)) { int tmperrno = errno;   close(s); sofree(so);   #ifdef _WIN32 WSASetLastError(tmperrno); #else errno = tmperrno; #endif return NULL; } setsockopt(s,SOL_SOCKET,SO_OOBINLINE,(char *)&opt,sizeof(int)); getsockname(s,(struct sockaddr *)&addr,&addrlen); so->so_fport = addr.sin_port; if (addr.sin_addr.s_addr == 0 || addr.sin_addr.s_addr == loopback_addr.s_addr) so->so_faddr = alias_addr; else so->so_faddr = addr.sin_addr; so->s = s; return so; }