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#include "u.h"
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#include "lib.h"
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#include "kern/dat.h"
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#include "kern/fns.h"
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#include "user.h"
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#include "drawterm.h"
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char *argv0;
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char *user;
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extern int errfmt(Fmt*);
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void
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sizebug(void)
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{
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	/*
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	 * Needed by various parts of the code.
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	 * This is a huge bug.
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	 */
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	assert(sizeof(char)==1);
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	assert(sizeof(short)==2);
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	assert(sizeof(ushort)==2);
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	assert(sizeof(int)==4);
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	assert(sizeof(uint)==4);
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	assert(sizeof(long)==4);
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	assert(sizeof(ulong)==4);
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	assert(sizeof(vlong)==8);
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	assert(sizeof(uvlong)==8);
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}
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int
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main(int argc, char **argv)
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{
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	eve = getuser();
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	if(eve == nil)
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		eve = "drawterm";
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	sizebug();
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	osinit();
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	procinit0();
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	printinit();
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	screeninit();
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	chandevreset();
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	chandevinit();
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	quotefmtinstall();
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	if(bind("#c", "/dev", MBEFORE) < 0)
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		panic("bind #c: %r");
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	if(bind("#m", "/dev", MBEFORE) < 0)
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		panic("bind #m: %r");
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	if(bind("#i", "/dev", MBEFORE) < 0)
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		panic("bind #i: %r");
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	if(bind("#I", "/net", MBEFORE) < 0)
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		panic("bind #I: %r");
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	if(bind("#U", "/", MAFTER) < 0)
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		panic("bind #U: %r");
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	bind("#A", "/dev", MAFTER);
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	if(open("/dev/cons", OREAD) != 0)
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		panic("open0: %r");
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	if(open("/dev/cons", OWRITE) != 1)
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		panic("open1: %r");
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	if(open("/dev/cons", OWRITE) != 2)
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		panic("open2: %r");
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	cpumain(argc, argv);
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	return 0;
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}
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char*
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getkey(char *user, char *dom)
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{
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	char buf[1024];
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	snprint(buf, sizeof buf, "%s@%s password", user, dom);
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	return readcons(buf, nil, 1);
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}
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char*
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findkey(char **puser, char *dom)
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{
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	char buf[1024], *f[50], *p, *ep, *nextp, *pass, *user;
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	int nf, haveproto,  havedom, i;
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	for(p=secstorebuf; *p; p=nextp){
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		nextp = strchr(p, '\n');
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		if(nextp == nil){
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			ep = p+strlen(p);
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			nextp = "";
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		}else{
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			ep = nextp++;
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		}
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		if(ep-p >= sizeof buf){
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			print("warning: skipping long line in secstore factotum file\n");
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			continue;
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		}
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		memmove(buf, p, ep-p);
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		buf[ep-p] = 0;
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		nf = tokenize(buf, f, nelem(f));
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		if(nf == 0 || strcmp(f[0], "key") != 0)
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			continue;
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		pass = nil;
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		haveproto = havedom = 0;
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		user = nil;
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		for(i=1; i<nf; i++){
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			if(strncmp(f[i], "user=", 5) == 0)
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				user = f[i]+5;
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			if(strncmp(f[i], "!password=", 10) == 0)
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				pass = f[i]+10;
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			if(strncmp(f[i], "dom=", 4) == 0 && strcmp(f[i]+4, dom) == 0)
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				havedom = 1;
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			if(strcmp(f[i], "proto=p9sk1") == 0)
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				haveproto = 1;
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		}
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		if(!haveproto || !havedom || !pass || !user)
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			continue;
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		*puser = strdup(user);
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		pass = strdup(pass);
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		memset(buf, 0, sizeof buf);
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		return pass;
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	}
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	return nil;
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}
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