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, 125 insertions, 0 deletions

diff --git a/lib/libc/rpc/mt_misc.c b/lib/libc/rpc/mt_misc.c
new file mode 100644
index 0000000..5abf831
--- /dev/null
+++ b/lib/libc/rpc/mt_misc.c
@@ -0,0 +1,125 @@
+/*	$NetBSD: mt_misc.c,v 1.1 2000/06/02 23:11:11 fvdl Exp $	*/
+/*	$FreeBSD$ */
+
+/* #pragma ident	"@(#)mt_misc.c	1.24	93/04/29 SMI" */
+
+#include "reentrant.h"
+#include "namespace.h"
+#include <rpc/rpc.h>
+#include <sys/time.h>
+#include <stdlib.h>
+#include "un-namespace.h"
+
+/* protects the services list (svc.c) */
+pthread_rwlock_t	svc_lock = PTHREAD_RWLOCK_INITIALIZER;
+
+/* protects svc_fdset and the xports[] array */
+pthread_rwlock_t	svc_fd_lock = PTHREAD_RWLOCK_INITIALIZER;
+
+/* protects the RPCBIND address cache */
+pthread_rwlock_t	rpcbaddr_cache_lock = PTHREAD_RWLOCK_INITIALIZER;
+
+/* protects authdes cache (svcauth_des.c) */
+pthread_mutex_t	authdes_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* serializes authdes ops initializations */
+pthread_mutex_t authdes_ops_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* protects des stats list */
+pthread_mutex_t svcauthdesstats_lock = PTHREAD_MUTEX_INITIALIZER;
+
+#ifdef KERBEROS
+/* auth_kerb.c serialization */
+pthread_mutex_t authkerb_lock = PTHREAD_MUTEX_INITIALIZER;
+/* protects kerb stats list */
+pthread_mutex_t svcauthkerbstats_lock = PTHREAD_MUTEX_INITIALIZER;
+#endif /* KERBEROS */
+
+/* auth_none.c serialization */
+pthread_mutex_t	authnone_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* protects the Auths list (svc_auth.c) */
+pthread_mutex_t	authsvc_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* protects client-side fd lock array */
+pthread_mutex_t	clnt_fd_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* clnt_raw.c serialization */
+pthread_mutex_t	clntraw_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* domainname and domain_fd (getdname.c) and default_domain (rpcdname.c) */
+pthread_mutex_t	dname_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* dupreq variables (svc_dg.c) */
+pthread_mutex_t	dupreq_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* protects first_time and hostname (key_call.c) */
+pthread_mutex_t	keyserv_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* serializes rpc_trace() (rpc_trace.c) */
+pthread_mutex_t	libnsl_trace_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* loopnconf (rpcb_clnt.c) */
+pthread_mutex_t	loopnconf_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* serializes ops initializations */
+pthread_mutex_t	ops_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* protects ``port'' static in bindresvport() */
+pthread_mutex_t	portnum_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* protects proglst list (svc_simple.c) */
+pthread_mutex_t	proglst_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* serializes clnt_com_create() (rpc_soc.c) */
+pthread_mutex_t	rpcsoc_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* svc_raw.c serialization */
+pthread_mutex_t	svcraw_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* protects TSD key creation */
+pthread_mutex_t	tsd_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* protects netconfig list */
+pthread_mutex_t	nc_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* xprtlist (svc_generic.c) */
+pthread_mutex_t	xprtlist_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/* serializes calls to public key routines */
+pthread_mutex_t serialize_pkey = PTHREAD_MUTEX_INITIALIZER;
+
+#undef	rpc_createerr
+
+struct rpc_createerr rpc_createerr;
+
+struct rpc_createerr *
+__rpc_createerr()
+{
+	static thread_key_t rce_key = 0;
+	struct rpc_createerr *rce_addr = 0;
+
+	if (thr_main())
+		return (&rpc_createerr);
+	if ((rce_addr =
+	    (struct rpc_createerr *)thr_getspecific(rce_key)) != 0) {
+		mutex_lock(&tsd_lock);
+		if (thr_keycreate(&rce_key, free) != 0) {
+			mutex_unlock(&tsd_lock);
+			return (&rpc_createerr);
+		}
+		mutex_unlock(&tsd_lock);
+	}
+	if (!rce_addr) {
+		rce_addr = (struct rpc_createerr *)
+			malloc(sizeof (struct rpc_createerr));
+		if (thr_setspecific(rce_key, (void *) rce_addr) != 0) {
+			if (rce_addr)
+				free(rce_addr);
+			return (&rpc_createerr);
+		}
+		memset(rce_addr, 0, sizeof (struct rpc_createerr));
+		return (rce_addr);
+	}
+	return (rce_addr);
+}