Bring in a hybrid of SunSoft's transport-independent RPC (TI-RPC) and

associated changes that had to happen to make this possible as well as
bugs fixed along the way.

  Bring in required TLI library routines to support this.

  Since we don't support TLI we've essentially copied what NetBSD
  has done, adding a thin layer to emulate direct the TLI calls
  into BSD socket calls.

  This is mostly from Sun's tirpc release that was made in 1994,
  however some fixes were backported from the 1999 release (supposedly
  only made available after this porting effort was underway).

  The submitter has agreed to continue on and bring us up to the
  1999 release.

  Several key features are introduced with this update:
    Client calls are thread safe. (1999 code has server side thread
    safe)
    Updated, a more modern interface.

  Many userland updates were done to bring the code up to par with
  the recent RPC API.

  There is an update to the pthreads library, a function
  pthread_main_np() was added to emulate a function of Sun's threads
  library.

  While we're at it, bring in NetBSD's lockd, it's been far too
  long of a wait.

  New rpcbind(8) replaces portmap(8) (supporting communication over
  an authenticated Unix-domain socket, and by default only allowing
  set and unset requests over that channel). It's much more secure
  than the old portmapper.

  Umount(8), mountd(8), mount_nfs(8), nfsd(8) have also been upgraded
  to support TI-RPC and to support IPV6.

  Umount(8) is also fixed to unmount pathnames longer than 80 chars,
  which are currently truncated by the Kernel statfs structure.

Submitted by: Martin Blapp <mb@imp.ch>
Manpage review: ru
Secure RPC implemented by: wpaul

1 files changed, 143 insertions, 0 deletions

diff --git a/include/rpc/auth_kerb.h b/include/rpc/auth_kerb.h
new file mode 100644
index 0000000..f0145bd
--- /dev/null
+++ b/include/rpc/auth_kerb.h
@@ -0,0 +1,143 @@
+/*	$FreeBSD$ */
+/*
+ * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
+ * unrestricted use provided that this legend is included on all tape
+ * media and as a part of the software program in whole or part.  Users
+ * may copy or modify Sun RPC without charge, but are not authorized
+ * to license or distribute it to anyone else except as part of a product or
+ * program developed by the user.
+ * 
+ * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
+ * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
+ * 
+ * Sun RPC is provided with no support and without any obligation on the
+ * part of Sun Microsystems, Inc. to assist in its use, correction,
+ * modification or enhancement.
+ * 
+ * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
+ * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
+ * OR ANY PART THEREOF.
+ * 
+ * In no event will Sun Microsystems, Inc. be liable for any lost revenue
+ * or profits or other special, indirect and consequential damages, even if
+ * Sun has been advised of the possibility of such damages.
+ * 
+ * Sun Microsystems, Inc.
+ * 2550 Garcia Avenue
+ * Mountain View, California  94043
+ */
+/*
+ * auth_kerb.h, Protocol for Kerberos style authentication for RPC
+ *
+ * Copyright (C) 1986, Sun Microsystems, Inc.
+ */
+
+#ifndef	_RPC_AUTH_KERB_H
+#define	_RPC_AUTH_KERB_H
+
+#ifdef KERBEROS
+
+#pragma ident	"@(#)auth_kerb.h	1.10	94/04/25 SMI"
+
+#include <kerberos/krb.h>
+#include <sys/socket.h>
+#include <sys/t_kuser.h>
+#include <netinet/in.h>
+#include <rpc/svc.h>
+
+/*
+ * There are two kinds of "names": fullnames and nicknames
+ */
+enum authkerb_namekind {
+	AKN_FULLNAME,
+	AKN_NICKNAME
+};
+/*
+ * A fullname contains the ticket and the window
+ */
+struct authkerb_fullname {
+	KTEXT_ST ticket;
+	u_long window;		/* associated window */
+};
+
+/*
+ *  cooked credential stored in rq_clntcred
+ */
+struct authkerb_clnt_cred {
+	/* start of AUTH_DAT */
+	unsigned char k_flags;	/* Flags from ticket */
+	char    pname[ANAME_SZ]; /* Principal's name */
+	char    pinst[INST_SZ];	/* His Instance */
+	char    prealm[REALM_SZ]; /* His Realm */
+	unsigned long checksum;	/* Data checksum (opt) */
+	C_Block session;	/* Session Key */
+	int	life;		/* Life of ticket */
+	unsigned long time_sec;	/* Time ticket issued */
+	unsigned long address;	/* Address in ticket */
+	/* KTEXT_ST reply;	Auth reply (opt) */
+	/* end of AUTH_DAT */
+	unsigned long expiry;	/* time the ticket is expiring */
+	u_long nickname;	/* Nickname into cache */
+	u_long window;		/* associated window */
+};
+
+typedef struct authkerb_clnt_cred authkerb_clnt_cred;
+
+/*
+ * A credential
+ */
+struct authkerb_cred {
+	enum authkerb_namekind akc_namekind;
+	struct authkerb_fullname akc_fullname;
+	u_long akc_nickname;
+};
+
+/*
+ * A kerb authentication verifier
+ */
+struct authkerb_verf {
+	union {
+		struct timeval akv_ctime;	/* clear time */
+		des_block akv_xtime;		/* crypt time */
+	} akv_time_u;
+	u_long akv_int_u;
+};
+
+/*
+ * des authentication verifier: client variety
+ *
+ * akv_timestamp is the current time.
+ * akv_winverf is the credential window + 1.
+ * Both are encrypted using the conversation key.
+ */
+#ifndef akv_timestamp
+#define	akv_timestamp	akv_time_u.akv_ctime
+#define	akv_xtimestamp	akv_time_u.akv_xtime
+#define	akv_winverf	akv_int_u
+#endif
+/*
+ * des authentication verifier: server variety
+ *
+ * akv_timeverf is the client's timestamp + client's window
+ * akv_nickname is the server's nickname for the client.
+ * akv_timeverf is encrypted using the conversation key.
+ */
+#ifndef akv_timeverf
+#define	akv_timeverf	akv_time_u.akv_ctime
+#define	akv_xtimeverf	akv_time_u.akv_xtime
+#define	akv_nickname	akv_int_u
+#endif
+
+/*
+ * Register the service name, instance and realm.
+ */
+extern int	authkerb_create(char *, char *, char *, u_int,
+			struct netbuf *, int *, dev_t, int, AUTH **);
+extern bool_t	xdr_authkerb_cred(XDR *, struct authkerb_cred *);
+extern bool_t	xdr_authkerb_verf(XDR *, struct authkerb_verf *);
+extern int	svc_kerb_reg(SVCXPRT *, char *, char *, char *);
+extern enum auth_stat _svcauth_kerb(struct svc_req *, struct rpc_msg *);
+
+#endif KERBEROS
+#endif	/* !_RPC_AUTH_KERB_H */