Import sources from 2011-03-30 iso image

1 files changed, 172 insertions, 0 deletions

diff --git a/sys/src/cmd/9nfs/portmapper.c b/sys/src/cmd/9nfs/portmapper.c
new file mode 100755
index 000000000..ef3d7cfdd
--- /dev/null
+++ b/sys/src/cmd/9nfs/portmapper.c
@@ -0,0 +1,172 @@
+/*
+ * sunrpc portmapper
+ */
+#include "all.h"
+
+typedef struct Portmap	Portmap;
+struct Portmap
+{
+	int	prog;
+	int	vers;
+	int	protocol;
+	int	port;
+};
+
+Portmap map[] = {
+	100003, 2, IPPROTO_UDP, 2049,	/* nfs v2 */
+//	100003, 3, IPPROTO_UDP, 2049,	/* nfs v3 */
+	100005, 1, IPPROTO_UDP, 2049,	/* mount */
+	150001, 2, IPPROTO_UDP, 1111,	/* pcnfsd v2 */
+	150001, 1, IPPROTO_UDP, 1111,	/* pcnfsd v1 */
+	0, 0, 0, 0,
+};
+
+static void	pmapinit(int, char**);
+static int	pmapnull(int, Rpccall*, Rpccall*);
+static int	pmapset(int, Rpccall*, Rpccall*);
+static int	pmapunset(int, Rpccall*, Rpccall*);
+static int	pmapgetport(int, Rpccall*, Rpccall*);
+static int	pmapdump(int, Rpccall*, Rpccall*);
+static int	pmapcallit(int, Rpccall*, Rpccall*);
+
+static Procmap pmapproc[] = {
+	0, pmapnull,
+	1, pmapset,
+	2, pmapunset,
+	3, pmapgetport,
+	4, pmapdump,
+	5, pmapcallit,
+	0, 0
+};
+
+int	myport = 111;
+
+Progmap progmap[] = {
+	100000, 2, pmapinit, pmapproc,
+	0, 0, 0,
+};
+
+void
+main(int argc, char *argv[])
+{
+	server(argc, argv, myport, progmap);
+}
+
+static
+void
+pmapinit(int argc, char **argv)
+{
+	ARGBEGIN{
+	default:
+		if(argopt(ARGC()) < 0)
+			sysfatal("usage: %s %s", argv0, commonopts);
+		break;
+	}ARGEND;
+	clog("portmapper init\n");
+}
+
+static int
+pmapnull(int n, Rpccall *cmd, Rpccall *reply)
+{
+	USED(n, cmd, reply);
+	return 0;
+}
+
+static int
+pmapset(int n, Rpccall *cmd, Rpccall *reply)
+{
+	uchar *dataptr = reply->results;
+
+	if(n != 16)
+		return garbage(reply, "bad count");
+	USED(cmd);
+	PLONG(FALSE);
+	return dataptr - (uchar *)reply->results;
+}
+
+static int
+pmapunset(int n, Rpccall *cmd, Rpccall *reply)
+{
+	uchar *dataptr = reply->results;
+
+	if(n != 16)
+		return garbage(reply, "bad count");
+	USED(cmd);
+	PLONG(TRUE);
+	return dataptr - (uchar *)reply->results;
+}
+
+static int
+pmapgetport(int n, Rpccall *cmd, Rpccall *reply)
+{
+	int prog, vers, prot;
+	uchar *argptr = cmd->args;
+	uchar *dataptr = reply->results;
+	Portmap *mp;
+
+	clog("get port\n");
+
+	if(n != 16)
+		return garbage(reply, "bad count");
+	prog = GLONG();
+	vers = GLONG();
+	prot = GLONG();
+	chat("host=%I, port=%ld: ", cmd->host, cmd->port);
+	chat("getport: %d, %d, %d...", prog, vers, prot);
+	for(mp=map; mp->prog>0; mp++)
+		if(prog == mp->prog && vers == mp->vers &&
+		   prot == mp->protocol)
+			break;
+	chat("%d\n", mp->port);
+	PLONG(mp->port);
+	return dataptr - (uchar *)reply->results;
+}
+
+static int
+pmapdump(int n, Rpccall *cmd, Rpccall *reply)
+{
+	uchar *dataptr = reply->results;
+	Portmap *mp;
+
+	if(n != 0)
+		return garbage(reply, "bad count");
+	USED(cmd);
+	for(mp=map; mp->prog>0; mp++){
+		PLONG(1);
+		PLONG(mp->prog);
+		PLONG(mp->vers);
+		PLONG(mp->protocol);
+		PLONG(mp->port);
+	}
+	PLONG(0);
+	return dataptr - (uchar *)reply->results;
+}
+
+static int
+pmapcallit(int n, Rpccall *cmd, Rpccall *reply)
+{
+	int prog, vers, proc;
+	uchar *argptr = cmd->args;
+	uchar *dataptr = reply->results;
+	Portmap *mp;
+
+	if(n < 12)
+		return garbage(reply, "bad count");
+	prog = GLONG();
+	vers = GLONG();
+	proc = GLONG();
+	chat("host=%I, port=%ld: ", cmd->host, cmd->port);
+	chat("callit: %d, %d, %d...", prog, vers, proc);
+	for(mp=map; mp->prog>0; mp++)
+		if(prog == mp->prog && vers == mp->vers &&
+		   proc == 0)
+			break;
+	if(mp->port == 0){
+		chat("ignored\n");
+		return -1;
+	}
+	chat("%d\n", mp->port);
+	PLONG(mp->port);
+	PLONG(0);
+	return dataptr - (uchar *)reply->results;
+}