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#include <u.h>
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#include <libc.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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	/* start with an empty config file */
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	if(nip == 0)
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		writendb("", 0, 0);
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	switch(pid = 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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		exec("/bin/ip/ppp", av);
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		exec("/ppp", 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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	getndb();
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}
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