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#include "all.h"
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static void	pcinit(int, char**);
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static int	pcnull(int, Rpccall*, Rpccall*);
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static int	pcinfo(int, Rpccall*, Rpccall*);
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static int	pcauth(int, Rpccall*, Rpccall*);
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static int	pc1auth(int, Rpccall*, Rpccall*);
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static int	pcfacilities[15];
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static char	no_comment[] = "Trust me.";
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static char	pc_vers[] = "@(#)pcnfsd_v2.c	1.6 - rpc.pcnfsd V2.0 (c) 1994 P9, GmbH";
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static char	pc_home[] = "merrimack:/";
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static Procmap pcproc[] = {	/* pcnfsd v2 */
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	0, pcnull,
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	1, pcinfo,
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	13, pcauth,
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	0, 0
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};
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static Procmap pc1proc[] = { 	/* pc-nfsd v1 */
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	0, pcnull,
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	1, pc1auth,
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	0, 0
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};
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int	myport = 1111;
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Progmap progmap[] = {
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	150001, 2, pcinit, pcproc,
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	150001, 1, 0, pc1proc,
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	0, 0, 0,
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};
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void
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main(int argc, char *argv[])
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{
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	server(argc, argv, myport, progmap);
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}
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static void
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pcinit(int argc, char **argv)
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{
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	Procmap *p;
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	int i;
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	char *config = "config";
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	ARGBEGIN{
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	case 'c':
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		config = ARGF();
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		break;
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	default:
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		if(argopt(ARGC()) < 0)
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			sysfatal("usage: %s %s [-c config]", argv0, commonopts);
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		break;
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	}ARGEND;
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	clog("pc init\n");
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	for(i=0; i<nelem(pcfacilities); i++)
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		pcfacilities[i] = -1;
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	for(p=pcproc; p->procp; p++)
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		pcfacilities[p->procno] = 100;
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	readunixidmaps(config);
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}
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static int
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pcnull(int n, Rpccall *cmd, Rpccall *reply)
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{
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	USED(n, cmd, reply);
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	return 0;
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}
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static void
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scramble(String *x)
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{
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	int i;
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	for(i=0; i<x->n; i++)
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		x->s[i] = (x->s[i] ^ 0x5b) & 0x7f;
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}
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static int
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pcinfo(int n, Rpccall *cmd, Rpccall *reply)
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{
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	uchar *argptr = cmd->args;
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	uchar *dataptr = reply->results;
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	String vers, cm;
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	int i;
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	chat("host=%I, port=%ld: pcinfo...",
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		cmd->host, cmd->port);
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	if(n <= 16)
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		return garbage(reply, "count too small");
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	argptr += string2S(argptr, &vers);
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	argptr += string2S(argptr, &cm);
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	if(argptr != &((uchar *)cmd->args)[n])
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		return garbage(reply, "bad count");
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	chat("\"%.*s\",\"%.*s\"\n", utfnlen(vers.s, vers.n), vers.s, utfnlen(cm.s, cm.n), cm.s);
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	PLONG(sizeof(pc_vers)-1);
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	PPTR(pc_vers, sizeof(pc_vers)-1);
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	PLONG(sizeof(no_comment)-1);
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	PPTR(no_comment, sizeof(no_comment)-1);
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	PLONG(nelem(pcfacilities));
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	for(i=0; i<nelem(pcfacilities); i++)
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		PLONG(pcfacilities[i]);
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	return dataptr - (uchar *)reply->results;
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}
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static int
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pc1auth(int n, Rpccall *cmd, Rpccall *reply)
110 
{
111 
	uchar *argptr = cmd->args;
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	uchar *dataptr = reply->results;
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	String id, pw;
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	Unixidmap *m;
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	int uid;
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117 
	chat("host=%I, port=%ld: pcauth...",
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		cmd->host, cmd->port);
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	if(n <= 8)
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		return garbage(reply, "count too small");
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	argptr += string2S(argptr, &id);
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	argptr += string2S(argptr, &pw);
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	if(argptr != &((uchar*)cmd->args)[n])
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		return garbage(reply, "bad count");
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	scramble(&id);
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	scramble(&pw);
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	m = pair2idmap("pcnfsd", cmd->host);
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	uid = -1;
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	if(m)
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		uid = name2id(&m->u.ids, id.s);
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	if(uid < 0)
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		uid = 1;
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	chat("\"%.*s\",\"%.*s\" uid=%d\n", utfnlen(id.s, id.n), id.s, utfnlen(pw.s, pw.n), pw.s, uid);
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	PLONG(0);	/* status */
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	PLONG(uid);	/* uid */
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	PLONG(uid);	/* gid */
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	return dataptr - (uchar*)reply->results;
138 
}
139 
 
140 
static int
141 
pcauth(int n, Rpccall *cmd, Rpccall *reply)
142 
{
143 
	uchar *argptr = cmd->args;
144 
	uchar *dataptr = reply->results;
145 
	String sys, id, pw, cm;
146 
	Unixidmap *m;
147 
	int uid;
148 
 
149 
	chat("host=%I, port=%ld: pcauth...",
150 
		cmd->host, cmd->port);
151 
	if(n <= 16)
152 
		return garbage(reply, "count too small");
153 
	argptr += string2S(argptr, &sys);
154 
	argptr += string2S(argptr, &id);
155 
	argptr += string2S(argptr, &pw);
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	argptr += string2S(argptr, &cm);
157 
	if(argptr != &((uchar *)cmd->args)[n])
158 
		return garbage(reply, "bad count");
159 
	scramble(&id);
160 
	scramble(&pw);
161 
 
162 
	m = pair2idmap("pcnfsd", cmd->host);
163 
	uid = -1;
164 
	if(m)
165 
		uid = name2id(&m->u.ids, id.s);
166 
	if(uid < 0)
167 
		uid = 1;
168 
	chat("\"%.*s\",\"%.*s\",\"%.*s\",\"%.*s\"\n", utfnlen(sys.s, sys.n), sys.s,
169 
		utfnlen(id.s, id.n), id.s, utfnlen(pw.s, pw.n), pw.s, utfnlen(cm.s, cm.n), cm.s);
170 
	PLONG(0);	/* status - OK */
171 
	PLONG(uid);
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	PLONG(uid);	/* gid */
173 
	PLONG(0);	/* ngids */
174 
	PLONG(sizeof(pc_home)-1);
175 
	PPTR(pc_home, sizeof(pc_home)-1);
176 
	PLONG(0);	/* umask */
177 
	PLONG(sizeof(no_comment)-1);
178 
	PPTR(no_comment, sizeof(no_comment)-1);
179 
	return dataptr - (uchar *)reply->results;
180 
}