70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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/* Portions of this file are Copyright (C) 2015-2018 Giacomo Tesio <giacomo@tesio.it>
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* See /doc/license/gpl-2.0.txt for details about the licensing.
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*/
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/* Portions of this file are Copyright (C) 9front's team.
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* See /doc/license/9front-mit for details about the licensing.
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* See http://code.9front.org/hg/plan9front/ for a list of authors.
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*/
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#include <u.h>
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#include <lib9.h>
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#include <ip.h>
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#include <bio.h>
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#include <ndb.h>
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#include "../dhcp.h"
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#include "ipconfig.h"
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void
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pppbinddev(void)
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{
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int ac, pid;
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char *av[12];
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Waitmsg *w;
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/* ppp does the binding */
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switch(pid = sys_rfork(RFPROC|RFFDG|RFMEM)){
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case -1:
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sysfatal("can't start ppp: %r");
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case 0:
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ac = 0;
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av[ac++] = "ppp";
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av[ac++] = "-uf";
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av[ac++] = "-p";
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av[ac++] = conf.dev;
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av[ac++] = "-x";
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av[ac++] = conf.mpoint;
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if(conf.baud != nil){
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av[ac++] = "-b";
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av[ac++] = conf.baud;
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}
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av[ac] = nil;
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sys_exec("/bin/ip/ppp", (const char**)av);
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sys_exec("/ppp", (const char**)av);
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sysfatal("execing /ppp: %r");
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}
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/* wait for ppp to finish connecting and configuring */
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while((w = wait()) != nil){
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if(w->pid == pid){
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if(w->msg[0] != 0)
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sysfatal("/ppp exited with status: %s", w->msg);
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free(w);
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break;
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}
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free(w);
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}
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if(w == nil)
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sysfatal("/ppp disappeared");
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/* ppp sets up the configuration itself */
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noconfig = 1;
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}
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