remove RPC implementation

The included RPC implementation is ipv4 only.
Other C library projects have either deprecated the internal
RPC implementation (GNU C Library) or never implemented such
functionality (musl C Library). The latest rpcbind release (0.2.4)
checks for libtirpc and does not allow to be build with uClibc-ng
RPC without patching. The common use case for RPC nowadays is to
use rpcbind together with nfs-utils to provide NFS server or client
support to a system.

The included RPC implementation does create issues with duplicate
symbol failures when statically compiling with RPC enabled.

1 files changed, 0 insertions, 323 deletions

diff --git a/libc/inet/rpc/auth_unix.c b/libc/inet/rpc/auth_unix.c
deleted file mode 100644
index 86c5ce956..000000000
--- a/libc/inet/rpc/auth_unix.c
+++ /dev/null
@@ -1,323 +0,0 @@
-/*
- * 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
- */
-/*
- * Copyright (C) 1984, Sun Microsystems, Inc.
- */
-/*
- * auth_unix.c, Implements UNIX style authentication parameters.
- *
- * The system is very weak.  The client uses no encryption for it's
- * credentials and only sends null verifiers.  The server sends backs
- * null verifiers or optionally a verifier that suggests a new short hand
- * for the credentials.
- */
-
-#include <limits.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/param.h>
-
-#include <rpc/types.h>
-#include <rpc/xdr.h>
-#include <rpc/auth.h>
-#include <rpc/auth_unix.h>
-
-/*
- * Unix authenticator operations vector
- */
-static void authunix_nextverf (AUTH *);
-static bool_t authunix_marshal (AUTH *, XDR *);
-static bool_t authunix_validate (AUTH *, struct opaque_auth *);
-static bool_t authunix_refresh (AUTH *);
-static void authunix_destroy (AUTH *);
-
-static const struct auth_ops auth_unix_ops = {
-  authunix_nextverf,
-  authunix_marshal,
-  authunix_validate,
-  authunix_refresh,
-  authunix_destroy
-};
-
-/*
- * This struct is pointed to by the ah_private field of an auth_handle.
- */
-struct audata {
-  struct opaque_auth au_origcred;	/* original credentials */
-  struct opaque_auth au_shcred;	/* short hand cred */
-  u_long au_shfaults;		/* short hand cache faults */
-  char au_marshed[MAX_AUTH_BYTES];
-  u_int au_mpos;		/* xdr pos at end of marshed */
-};
-#define	AUTH_PRIVATE(auth)	((struct audata *)auth->ah_private)
-
-static bool_t marshal_new_auth (AUTH *) internal_function;
-
-
-/*
- * Create a unix style authenticator.
- * Returns an auth handle with the given stuff in it.
- */
-AUTH *
-authunix_create (char *machname, uid_t uid, gid_t gid, int len,
-		 gid_t *aup_gids)
-{
-  struct authunix_parms aup;
-  char mymem[MAX_AUTH_BYTES];
-  struct timeval now;
-  XDR xdrs;
-  AUTH *auth;
-  struct audata *au;
-
-  /*
-   * Allocate and set up auth handle
-   */
-  auth = (AUTH *) mem_alloc (sizeof (*auth));
-  au = (struct audata *) mem_alloc (sizeof (*au));
-  if (auth == NULL || au == NULL)
-    {
-no_memory:
-      (void) fputs ("authunix_create: out of memory\n", stderr);
-      mem_free (auth, sizeof (*auth));
-      mem_free (au, sizeof (*au));
-      return NULL;
-    }
-  auth->ah_ops = &auth_unix_ops;
-  auth->ah_private = (caddr_t) au;
-  auth->ah_verf = au->au_shcred = _null_auth;
-  au->au_shfaults = 0;
-
-  /*
-   * fill in param struct from the given params
-   */
-  (void) gettimeofday (&now, (struct timezone *) 0);
-  aup.aup_time = now.tv_sec;
-  aup.aup_machname = machname;
-  aup.aup_uid = uid;
-  aup.aup_gid = gid;
-  aup.aup_len = (u_int) len;
-  aup.aup_gids = aup_gids;
-
-  /*
-   * Serialize the parameters into origcred
-   */
-  xdrmem_create (&xdrs, mymem, MAX_AUTH_BYTES, XDR_ENCODE);
-  if (!xdr_authunix_parms (&xdrs, &aup))
-    abort ();
-  au->au_origcred.oa_length = len = XDR_GETPOS (&xdrs);
-  au->au_origcred.oa_flavor = AUTH_UNIX;
-  au->au_origcred.oa_base = mem_alloc ((u_int) len);
-  if (au->au_origcred.oa_base == NULL)
-    goto no_memory;
-  memcpy(au->au_origcred.oa_base, mymem, (u_int) len);
-
-  /*
-   * set auth handle to reflect new cred.
-   */
-  auth->ah_cred = au->au_origcred;
-  marshal_new_auth (auth);
-  return auth;
-}
-libc_hidden_def(authunix_create)
-
-/*
- * Returns an auth handle with parameters determined by doing lots of
- * syscalls.
- */
-AUTH *
-authunix_create_default (void)
-{
-  int len;
-  char machname[MAX_MACHINE_NAME + 1];
-  uid_t uid;
-  gid_t gid;
-  int max_nr_groups = sysconf (_SC_NGROUPS_MAX);
-  gid_t *gids = NULL;
-  AUTH *ret_auth;
-
-  if (max_nr_groups) {
-    gids = (gid_t*)malloc(sizeof(*gids) * max_nr_groups);
-    if (gids == NULL)
-      abort ();
-  }
-
-  if (gethostname (machname, MAX_MACHINE_NAME) == -1)
-    abort ();
-  machname[MAX_MACHINE_NAME] = 0;
-  uid = geteuid ();
-  gid = getegid ();
-
-  if ((len = getgroups (max_nr_groups, gids)) < 0)
-    abort ();
-  /* This braindamaged Sun code forces us here to truncate the
-     list of groups to NGRPS members since the code in
-     authuxprot.c transforms a fixed array.  Grrr.  */
-  ret_auth = authunix_create (machname, uid, gid, MIN (NGRPS, len), gids);
-  free (gids);
-  return ret_auth;
-}
-libc_hidden_def(authunix_create_default)
-
-/*
- * authunix operations
- */
-
-static void
-authunix_nextverf (AUTH *auth attribute_unused)
-{
-  /* no action necessary */
-}
-
-static bool_t
-authunix_marshal (AUTH *auth, XDR *xdrs)
-{
-  struct audata *au = AUTH_PRIVATE (auth);
-
-  return XDR_PUTBYTES (xdrs, au->au_marshed, au->au_mpos);
-}
-
-static bool_t
-authunix_validate (AUTH *auth, struct opaque_auth *verf)
-{
-  struct audata *au;
-  XDR xdrs;
-
-  if (verf->oa_flavor == AUTH_SHORT)
-    {
-      au = AUTH_PRIVATE (auth);
-      xdrmem_create (&xdrs, verf->oa_base, verf->oa_length,
-		     XDR_DECODE);
-
-      if (au->au_shcred.oa_base != NULL)
-	{
-	  mem_free (au->au_shcred.oa_base,
-		    au->au_shcred.oa_length);
-	  au->au_shcred.oa_base = NULL;
-	}
-      if (xdr_opaque_auth (&xdrs, &au->au_shcred))
-	{
-	  auth->ah_cred = au->au_shcred;
-	}
-      else
-	{
-	  xdrs.x_op = XDR_FREE;
-	  (void) xdr_opaque_auth (&xdrs, &au->au_shcred);
-	  au->au_shcred.oa_base = NULL;
-	  auth->ah_cred = au->au_origcred;
-	}
-      marshal_new_auth (auth);
-    }
-  return TRUE;
-}
-
-static bool_t
-authunix_refresh (AUTH *auth)
-{
-  struct audata *au = AUTH_PRIVATE (auth);
-  struct authunix_parms aup;
-  struct timeval now;
-  XDR xdrs;
-  int stat;
-
-  if (auth->ah_cred.oa_base == au->au_origcred.oa_base)
-    {
-      /* there is no hope.  Punt */
-      return FALSE;
-    }
-  au->au_shfaults++;
-
-  /* first deserialize the creds back into a struct authunix_parms */
-  aup.aup_machname = NULL;
-  aup.aup_gids = (gid_t *) NULL;
-  xdrmem_create (&xdrs, au->au_origcred.oa_base,
-		 au->au_origcred.oa_length, XDR_DECODE);
-  stat = xdr_authunix_parms (&xdrs, &aup);
-  if (!stat)
-    goto done;
-
-  /* update the time and serialize in place */
-  (void) gettimeofday (&now, (struct timezone *) 0);
-  aup.aup_time = now.tv_sec;
-  xdrs.x_op = XDR_ENCODE;
-  XDR_SETPOS (&xdrs, 0);
-  stat = xdr_authunix_parms (&xdrs, &aup);
-  if (!stat)
-    goto done;
-  auth->ah_cred = au->au_origcred;
-  marshal_new_auth (auth);
-done:
-  /* free the struct authunix_parms created by deserializing */
-  xdrs.x_op = XDR_FREE;
-  (void) xdr_authunix_parms (&xdrs, &aup);
-  XDR_DESTROY (&xdrs);
-  return stat;
-}
-
-static void
-authunix_destroy (AUTH *auth)
-{
-  struct audata *au = AUTH_PRIVATE (auth);
-
-  mem_free (au->au_origcred.oa_base, au->au_origcred.oa_length);
-
-  if (au->au_shcred.oa_base != NULL)
-    mem_free (au->au_shcred.oa_base, au->au_shcred.oa_length);
-
-  mem_free (auth->ah_private, sizeof (struct audata));
-
-  if (auth->ah_verf.oa_base != NULL)
-    mem_free (auth->ah_verf.oa_base, auth->ah_verf.oa_length);
-
-  mem_free ((caddr_t) auth, sizeof (*auth));
-}
-
-/*
- * Marshals (pre-serializes) an auth struct.
- * sets private data, au_marshed and au_mpos
- */
-static bool_t
-internal_function
-marshal_new_auth (AUTH *auth)
-{
-  XDR xdr_stream;
-  XDR *xdrs = &xdr_stream;
-  struct audata *au = AUTH_PRIVATE (auth);
-
-  xdrmem_create (xdrs, au->au_marshed, MAX_AUTH_BYTES, XDR_ENCODE);
-  if ((!xdr_opaque_auth (xdrs, &(auth->ah_cred))) ||
-      (!xdr_opaque_auth (xdrs, &(auth->ah_verf))))
-    perror ("auth_unix.c - Fatal marshalling problem");
-  else
-    au->au_mpos = XDR_GETPOS (xdrs);
-
-  XDR_DESTROY (xdrs);
-
-  return TRUE;
-}