New NIS cache implementation

diff --git a/nis/nis_cache.c b/nis/nis_cache.c
new file mode 100644 (file)
index 0000000..a0e1130
--- /dev/null
+++ b/nis/nis_cache.c
@@ -0,0 +1,94 @@
+/* Copyright (c) 1998 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1998.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA. */
+
+#include <rpcsvc/nis.h>
+#include "nis_intern.h"
+
+#include "nis_cache2.h"
+
+static struct timeval TIMEOUT = { 25, 0 };
+
+directory_obj *
+__nis_cache_search (const_nis_name name, u_long flags, cache2_info *cinfo)
+{
+  XDR xdrs;
+  CLIENT *clnt;
+  struct sockaddr_in clnt_saddr;
+  directory_obj *obj = NULL;
+  fs_result fsres;
+  int clnt_sock;
+
+  cinfo->server_used = -1;
+  cinfo->current_ep = -1;
+  cinfo->class = -1;
+
+  memset (&clnt_saddr, '\0', sizeof clnt_saddr);
+  clnt_saddr.sin_family = AF_INET;
+  clnt_saddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
+  clnt_sock = RPC_ANYSOCK;
+  clnt = clnttcp_create (&clnt_saddr, CACHEPROG, CACHE_VER_1,
+                        &clnt_sock, 0, 0);
+  if (clnt == NULL)
+    return NULL;
+
+  memset (&fsres, 0, sizeof (fsres));
+  if (flags & MASTER_ONLY)
+    {
+      if (clnt_call (clnt, NIS_CACHE_FIND_MASTER, (xdrproc_t) xdr_wrapstring,
+                    (caddr_t) &name, (xdrproc_t) xdr_fs_result,
+                    (caddr_t) &fsres, TIMEOUT) != RPC_SUCCESS)
+       {
+         clnt_destroy (clnt);
+         close (clnt_sock);
+         return NULL;
+       }
+    }
+  else
+    {
+      if (clnt_call (clnt, NIS_CACHE_FIND_SERVER, (xdrproc_t) xdr_wrapstring,
+                    (caddr_t) &name, (xdrproc_t) xdr_fs_result,
+                    (caddr_t) &fsres, TIMEOUT) != RPC_SUCCESS)
+       {
+         clnt_destroy (clnt);
+         close (clnt_sock);
+         return NULL;
+       }
+    }
+
+  clnt_destroy (clnt);
+  close (clnt_sock);
+
+  if (fsres.status != NIS_SUCCESS)
+    return NULL;
+
+  obj = calloc (1, sizeof (directory_obj));
+  if (obj == NULL)
+    return NULL;
+
+  xdrmem_create (&xdrs, fsres.dir_data.dir_data_val,
+                fsres.dir_data.dir_data_len, XDR_DECODE);
+  xdr_directory_obj (&xdrs, obj);
+  xdr_destroy (&xdrs);
+
+  cinfo->server_used = fsres.server_used;
+  cinfo->current_ep = fsres.current_ep;
+  cinfo->class = fsres.class;
+
+  return obj;
+}

diff --git a/nis/nis_cache2.h b/nis/nis_cache2.h
new file mode 100644 (file)
index 0000000..55f0109
--- /dev/null
+++ b/nis/nis_cache2.h
@@ -0,0 +1,93 @@
+/*
+ * Please do not edit this file.
+ * It was generated using rpcgen.
+ */
+
+#ifndef _NIS_CACHE2_H_RPCGEN
+#define _NIS_CACHE2_H_RPCGEN
+
+#include <rpc/rpc.h>
+
+#include <rpcsvc/nis.h>
+
+struct fs_result {
+       nis_error status;
+       long class;
+       struct {
+               u_int dir_data_len;
+               char *dir_data_val;
+       } dir_data;
+       long server_used;
+       long current_ep;
+};
+typedef struct fs_result fs_result;
+#ifdef __cplusplus
+extern "C" bool_t xdr_fs_result(XDR *, fs_result*);
+#elif __STDC__
+extern  bool_t xdr_fs_result(XDR *, fs_result*);
+#else /* Old Style C */
+bool_t xdr_fs_result();
+#endif /* Old Style C */
+
+
+struct fs_request {
+       nis_name name;
+       long old_class;
+};
+typedef struct fs_request fs_request;
+#ifdef __cplusplus
+extern "C" bool_t xdr_fs_request(XDR *, fs_request*);
+#elif __STDC__
+extern  bool_t xdr_fs_request(XDR *, fs_request*);
+#else /* Old Style C */
+bool_t xdr_fs_request();
+#endif /* Old Style C */
+
+
+#define CACHEPROG ((u_long)600100301)
+#define CACHE_VER_1 ((u_long)1)
+
+#ifdef __cplusplus
+#define NIS_CACHE_READ_COLDSTART ((u_long)1)
+extern "C" void * nis_cache_read_coldstart_1(void *, CLIENT *);
+extern "C" void * nis_cache_read_coldstart_1_svc(void *, struct svc_req *);
+#define NIS_CACHE_FIND_MASTER ((u_long)2)
+extern "C" fs_result * nis_cache_find_master_1(char **, CLIENT *);
+extern "C" fs_result * nis_cache_find_master_1_svc(char **, struct svc_req *);
+#define NIS_CACHE_FIND_SERVER ((u_long)3)
+extern "C" fs_result * nis_cache_find_server_1(char **, CLIENT *);
+extern "C" fs_result * nis_cache_find_server_1_svc(char **, struct svc_req *);
+#define NIS_CACHE_NEXT_SERVER ((u_long)4)
+extern "C" fs_result * nis_cache_next_server_1(fs_request *, CLIENT *);
+extern "C" fs_result * nis_cache_next_server_1_svc(fs_request *, struct svc_req *);
+
+#elif __STDC__
+#define NIS_CACHE_READ_COLDSTART ((u_long)1)
+extern  void * nis_cache_read_coldstart_1(void *, CLIENT *);
+extern  void * nis_cache_read_coldstart_1_svc(void *, struct svc_req *);
+#define NIS_CACHE_FIND_MASTER ((u_long)2)
+extern  fs_result * nis_cache_find_master_1(char **, CLIENT *);
+extern  fs_result * nis_cache_find_master_1_svc(char **, struct svc_req *);
+#define NIS_CACHE_FIND_SERVER ((u_long)3)
+extern  fs_result * nis_cache_find_server_1(char **, CLIENT *);
+extern  fs_result * nis_cache_find_server_1_svc(char **, struct svc_req *);
+#define NIS_CACHE_NEXT_SERVER ((u_long)4)
+extern  fs_result * nis_cache_next_server_1(fs_request *, CLIENT *);
+extern  fs_result * nis_cache_next_server_1_svc(fs_request *, struct svc_req *);
+
+#else /* Old Style C */
+#define NIS_CACHE_READ_COLDSTART ((u_long)1)
+extern  void * nis_cache_read_coldstart_1();
+extern  void * nis_cache_read_coldstart_1_svc();
+#define NIS_CACHE_FIND_MASTER ((u_long)2)
+extern  fs_result * nis_cache_find_master_1();
+extern  fs_result * nis_cache_find_master_1_svc();
+#define NIS_CACHE_FIND_SERVER ((u_long)3)
+extern  fs_result * nis_cache_find_server_1();
+extern  fs_result * nis_cache_find_server_1_svc();
+#define NIS_CACHE_NEXT_SERVER ((u_long)4)
+extern  fs_result * nis_cache_next_server_1();
+extern  fs_result * nis_cache_next_server_1_svc();
+#endif /* Old Style C */
+
+#endif /* !_NIS_CACHE2_H_RPCGEN */

diff --git a/nis/nis_cache2_xdr.c b/nis/nis_cache2_xdr.c
new file mode 100644 (file)
index 0000000..b988f3f
--- /dev/null
+++ b/nis/nis_cache2_xdr.c
@@ -0,0 +1,43 @@
+/*
+ * Please do not edit this file.
+ * It was generated using rpcgen.
+ */
+
+#include <rpc/types.h>
+#include <rpc/xdr.h>
+
+#include "nis_cache2.h"
+#include <rpcsvc/nis.h>
+
+bool_t
+xdr_fs_result(XDR *xdrs, fs_result *objp)
+{
+        if (!xdr_nis_error(xdrs, &objp->status)) {
+                return FALSE;
+        }
+        if (!xdr_long(xdrs, &objp->class)) {
+                return FALSE;
+        }
+        if (!xdr_bytes(xdrs, (char **)&objp->dir_data.dir_data_val, (u_int *)&objp->dir_data.dir_data_len, ~0)) {
+                return FALSE;
+        }
+        if (!xdr_long(xdrs, &objp->server_used)) {
+                return FALSE;
+        }
+        if (!xdr_long(xdrs, &objp->current_ep)) {
+                return FALSE;
+        }
+       return TRUE;
+}
+
+bool_t
+xdr_fs_request(XDR *xdrs, fs_request *objp)
+{
+        if (!xdr_nis_name(xdrs, &objp->name)) {
+                return FALSE;
+        }
+        if (!xdr_long(xdrs, &objp->old_class)) {
+                return FALSE;
+        }
+       return TRUE;
+}