Import sources from 2011-03-30 iso image

1 files changed, 180 insertions, 0 deletions

diff --git a/sys/src/cmd/9nfs/pcnfsd.c b/sys/src/cmd/9nfs/pcnfsd.c
new file mode 100755
index 000000000..cfb947dd6
--- /dev/null
+++ b/sys/src/cmd/9nfs/pcnfsd.c
@@ -0,0 +1,180 @@
+#include "all.h"
+
+static void	pcinit(int, char**);
+static int	pcnull(int, Rpccall*, Rpccall*);
+static int	pcinfo(int, Rpccall*, Rpccall*);
+static int	pcauth(int, Rpccall*, Rpccall*);
+static int	pc1auth(int, Rpccall*, Rpccall*);
+static int	pcfacilities[15];
+static char	no_comment[] = "Trust me.";
+static char	pc_vers[] = "@(#)pcnfsd_v2.c	1.6 - rpc.pcnfsd V2.0 (c) 1994 P9, GmbH";
+static char	pc_home[] = "merrimack:/";
+
+static Procmap pcproc[] = {	/* pcnfsd v2 */
+	0, pcnull,
+	1, pcinfo,
+	13, pcauth,
+	0, 0
+};
+
+static Procmap pc1proc[] = { 	/* pc-nfsd v1 */
+	0, pcnull,
+	1, pc1auth,
+	0, 0
+};
+
+int	myport = 1111;
+
+Progmap progmap[] = {
+	150001, 2, pcinit, pcproc,
+	150001, 1, 0, pc1proc,
+	0, 0, 0,
+};
+
+void
+main(int argc, char *argv[])
+{
+	server(argc, argv, myport, progmap);
+}
+
+static void
+pcinit(int argc, char **argv)
+{
+	Procmap *p;
+	int i;
+	char *config = "config";
+
+	ARGBEGIN{
+	case 'c':
+		config = ARGF();
+		break;
+	default:
+		if(argopt(ARGC()) < 0)
+			sysfatal("usage: %s %s [-c config]", argv0, commonopts);
+		break;
+	}ARGEND;
+	clog("pc init\n");
+
+	for(i=0; i<nelem(pcfacilities); i++)
+		pcfacilities[i] = -1;
+	for(p=pcproc; p->procp; p++)
+		pcfacilities[p->procno] = 100;
+	readunixidmaps(config);
+}
+
+static int
+pcnull(int n, Rpccall *cmd, Rpccall *reply)
+{
+	USED(n, cmd, reply);
+	return 0;
+}
+
+static void
+scramble(String *x)
+{
+	int i;
+
+	for(i=0; i<x->n; i++)
+		x->s[i] = (x->s[i] ^ 0x5b) & 0x7f;
+}
+
+static int
+pcinfo(int n, Rpccall *cmd, Rpccall *reply)
+{
+	uchar *argptr = cmd->args;
+	uchar *dataptr = reply->results;
+	String vers, cm;
+	int i;
+
+	chat("host=%I, port=%ld: pcinfo...",
+		cmd->host, cmd->port);
+	if(n <= 16)
+		return garbage(reply, "count too small");
+	argptr += string2S(argptr, &vers);
+	argptr += string2S(argptr, &cm);
+	if(argptr != &((uchar *)cmd->args)[n])
+		return garbage(reply, "bad count");
+	chat("\"%.*s\",\"%.*s\"\n", utfnlen(vers.s, vers.n), vers.s, utfnlen(cm.s, cm.n), cm.s);
+	PLONG(sizeof(pc_vers)-1);
+	PPTR(pc_vers, sizeof(pc_vers)-1);
+	PLONG(sizeof(no_comment)-1);
+	PPTR(no_comment, sizeof(no_comment)-1);
+	PLONG(nelem(pcfacilities));
+	for(i=0; i<nelem(pcfacilities); i++)
+		PLONG(pcfacilities[i]);
+	return dataptr - (uchar *)reply->results;
+}
+
+static int
+pc1auth(int n, Rpccall *cmd, Rpccall *reply)
+{
+	uchar *argptr = cmd->args;
+	uchar *dataptr = reply->results;
+	String id, pw;
+	Unixidmap *m;
+	int uid;
+
+	chat("host=%I, port=%ld: pcauth...",
+		cmd->host, cmd->port);
+	if(n <= 8)
+		return garbage(reply, "count too small");
+	argptr += string2S(argptr, &id);
+	argptr += string2S(argptr, &pw);
+	if(argptr != &((uchar*)cmd->args)[n])
+		return garbage(reply, "bad count");
+	scramble(&id);
+	scramble(&pw);
+	m = pair2idmap("pcnfsd", cmd->host);
+	uid = -1;
+	if(m)
+		uid = name2id(&m->u.ids, id.s);
+	if(uid < 0)
+		uid = 1;
+	chat("\"%.*s\",\"%.*s\" uid=%d\n", utfnlen(id.s, id.n), id.s, utfnlen(pw.s, pw.n), pw.s, uid);
+	PLONG(0);	/* status */
+	PLONG(uid);	/* uid */
+	PLONG(uid);	/* gid */
+	return dataptr - (uchar*)reply->results;
+}
+
+static int
+pcauth(int n, Rpccall *cmd, Rpccall *reply)
+{
+	uchar *argptr = cmd->args;
+	uchar *dataptr = reply->results;
+	String sys, id, pw, cm;
+	Unixidmap *m;
+	int uid;
+
+	chat("host=%I, port=%ld: pcauth...",
+		cmd->host, cmd->port);
+	if(n <= 16)
+		return garbage(reply, "count too small");
+	argptr += string2S(argptr, &sys);
+	argptr += string2S(argptr, &id);
+	argptr += string2S(argptr, &pw);
+	argptr += string2S(argptr, &cm);
+	if(argptr != &((uchar *)cmd->args)[n])
+		return garbage(reply, "bad count");
+	scramble(&id);
+	scramble(&pw);
+
+	m = pair2idmap("pcnfsd", cmd->host);
+	uid = -1;
+	if(m)
+		uid = name2id(&m->u.ids, id.s);
+	if(uid < 0)
+		uid = 1;
+	chat("\"%.*s\",\"%.*s\",\"%.*s\",\"%.*s\"\n", utfnlen(sys.s, sys.n), sys.s,
+		utfnlen(id.s, id.n), id.s, utfnlen(pw.s, pw.n), pw.s, utfnlen(cm.s, cm.n), cm.s);
+	PLONG(0);	/* status - OK */
+	PLONG(uid);
+	PLONG(uid);	/* gid */
+	PLONG(0);	/* ngids */
+	PLONG(sizeof(pc_home)-1);
+	PPTR(pc_home, sizeof(pc_home)-1);
+	PLONG(0);	/* umask */
+	PLONG(sizeof(no_comment)-1);
+	PPTR(no_comment, sizeof(no_comment)-1);
+	return dataptr - (uchar *)reply->results;
+}