X-Git-Url: https://vcs.maemo.org/git/?p=samba;a=blobdiff_plain;f=source%2Flibmsrpc%2Fcac_winreg.c;fp=source%2Flibmsrpc%2Fcac_winreg.c;h=1d60cc8fb21b21abe73227b8f52ccb4e3f2720e4;hp=0000000000000000000000000000000000000000;hb=6bca4ca307d55b6dc888e56cee47aebcddbce786;hpb=7fd70fa738b636089bcc6c961aa3eaa02f20dda2

diff --git a/source/libmsrpc/cac_winreg.c b/source/libmsrpc/cac_winreg.c
new file mode 100644
index 0000000..1d60cc8
--- /dev/null
+++ b/source/libmsrpc/cac_winreg.c
@@ -0,0 +1,1002 @@
+/* 
+ *  Unix SMB/CIFS implementation.
+ *  MS-RPC client library implementation (WINREG pipe)
+ *  Copyright (C) Chris Nicholls              2005.
+ *  
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *  
+ *  This program 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 General Public License for more details.
+ *  
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "libmsrpc.h"
+#include "libmsrpc_internal.h"
+
+
+int cac_RegConnect(CacServerHandle *hnd, TALLOC_CTX *mem_ctx, struct RegConnect *op) {
+   SMBCSRV *srv = NULL;
+   struct rpc_pipe_client *pipe_hnd = NULL;
+   POLICY_HND *key = NULL;
+   WERROR err;
+
+   if(!hnd) 
+      return CAC_FAILURE;
+
+   if(!hnd->_internal.ctx) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   if(!op || !op->in.root || !mem_ctx) {
+      hnd->status = NT_STATUS_INVALID_PARAMETER;
+      return CAC_FAILURE;
+   }
+
+   srv = cac_GetServer(hnd);
+   if(!srv) {
+      hnd->status = NT_STATUS_INVALID_CONNECTION;
+      return CAC_FAILURE;
+   }
+
+   /*initialize for winreg pipe if we have to*/
+   if(!hnd->_internal.pipes[PI_WINREG]) {
+      if(!(pipe_hnd = cli_rpc_pipe_open_noauth(&srv->cli, PI_WINREG, &(hnd->status)))) {
+         return CAC_FAILURE;
+      }
+
+      hnd->_internal.pipes[PI_WINREG] = True;
+   }
+
+   key = talloc(mem_ctx, POLICY_HND);
+   if(!key) {
+      hnd->status = NT_STATUS_NO_MEMORY;
+   }
+
+   err = rpccli_reg_connect( pipe_hnd, mem_ctx, op->in.root, op->in.access, key);
+   hnd->status = werror_to_ntstatus(err);
+
+   if(!NT_STATUS_IS_OK(hnd->status)) {
+      return CAC_FAILURE;
+   }
+
+   op->out.key = key;
+
+   return CAC_SUCCESS;
+}
+
+int cac_RegClose(CacServerHandle *hnd, TALLOC_CTX *mem_ctx, POLICY_HND *key) {
+   struct rpc_pipe_client *pipe_hnd = NULL;
+   WERROR err;
+
+   if(!hnd) 
+      return CAC_FAILURE;
+
+   if(!hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG]) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   if(!key || !mem_ctx) {
+      hnd->status = NT_STATUS_INVALID_PARAMETER;
+      return CAC_FAILURE;
+   }
+
+   pipe_hnd = cac_GetPipe(hnd, PI_WINREG);
+   if(!pipe_hnd) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   err = rpccli_reg_close(pipe_hnd, mem_ctx, key);
+   hnd->status = werror_to_ntstatus(err);
+
+   if(!NT_STATUS_IS_OK(hnd->status)) {
+      return CAC_FAILURE;
+   }
+
+   return CAC_SUCCESS;
+}
+
+int cac_RegOpenKey(CacServerHandle *hnd, TALLOC_CTX *mem_ctx, struct RegOpenKey *op) {
+   struct rpc_pipe_client *pipe_hnd = NULL;
+   WERROR err;
+
+   POLICY_HND *key_out;
+   POLICY_HND *parent_key;
+
+   char *key_name = NULL;
+   uint32 reg_type = 0;
+
+   struct RegConnect rc;
+
+   if(!hnd) 
+      return CAC_FAILURE;
+
+   if(!hnd->_internal.ctx) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   if(!op || !op->in.name || !mem_ctx) {
+      hnd->status = NT_STATUS_INVALID_PARAMETER;
+      return CAC_FAILURE;
+   }
+
+
+   key_out = talloc(mem_ctx, POLICY_HND);
+   if(!key_out) {
+      hnd->status = NT_STATUS_NO_MEMORY;
+      return CAC_FAILURE;
+   }
+
+   if(!op->in.parent_key) {
+      /*then we need to connect to the registry*/
+      if(!cac_ParseRegPath(op->in.name, &reg_type, &key_name)) {
+         hnd->status = NT_STATUS_INVALID_PARAMETER;
+         return CAC_FAILURE;
+      }
+
+      /*use cac_RegConnect because it handles the session setup*/
+      ZERO_STRUCT(rc);
+
+      rc.in.access = op->in.access;
+      rc.in.root   = reg_type;
+
+      if(!cac_RegConnect(hnd, mem_ctx, &rc)) {
+         return CAC_FAILURE;
+      }
+
+      /**if they only specified the root key, return the key we just opened*/
+      if(key_name == NULL) {
+         op->out.key = rc.out.key;
+         return CAC_SUCCESS;
+      }
+
+      parent_key = rc.out.key;
+   }
+   else {
+      parent_key  = op->in.parent_key;
+      key_name    = op->in.name;
+   }
+
+   pipe_hnd = cac_GetPipe(hnd, PI_WINREG);
+   if(!pipe_hnd) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   err = rpccli_reg_open_entry( pipe_hnd, mem_ctx, parent_key, key_name, op->in.access, key_out);
+   hnd->status = werror_to_ntstatus(err);
+
+   if(!NT_STATUS_IS_OK(hnd->status)) {
+      return CAC_FAILURE;
+   }
+
+   if(!op->in.parent_key) {
+      /*then close the one that we opened above*/
+      err = rpccli_reg_close( pipe_hnd, mem_ctx, parent_key);
+      hnd->status = werror_to_ntstatus(err);
+
+      if(!NT_STATUS_IS_OK(hnd->status)) {
+         return CAC_FAILURE;
+      }
+   }
+
+   op->out.key = key_out;
+
+   return CAC_SUCCESS;
+}
+
+int cac_RegEnumKeys(CacServerHandle *hnd, TALLOC_CTX *mem_ctx, struct RegEnumKeys *op) {
+   struct rpc_pipe_client *pipe_hnd = NULL;
+   WERROR err;
+
+   /*buffers for rpccli_reg_enum_key call*/
+   fstring key_name_in;
+   fstring class_name_in;
+
+   /*output buffers*/
+   char **key_names_out   = NULL;
+   char **class_names_out = NULL;
+   time_t *mod_times_out   = NULL;
+   uint32 num_keys_out    = 0;
+   uint32 resume_idx      = 0;
+
+   if(!hnd) 
+      return CAC_FAILURE;
+
+   /*this is to avoid useless rpc calls, if the last call exhausted all the keys, then we don't need to go through everything again*/
+   if(NT_STATUS_V(hnd->status) == NT_STATUS_V(NT_STATUS_GUIDS_EXHAUSTED))
+      return CAC_FAILURE;
+
+   if(!hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG]) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   if(!op || op->in.max_keys == 0 || !mem_ctx) {
+      hnd->status = NT_STATUS_INVALID_PARAMETER;
+      return CAC_FAILURE;
+   }
+
+   pipe_hnd = cac_GetPipe(hnd, PI_WINREG);
+   if(!pipe_hnd) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   /**the only way to know how many keys to expect is to assume max_keys keys will be found*/
+   key_names_out = TALLOC_ARRAY(mem_ctx, char *, op->in.max_keys);
+   if(!key_names_out) {
+      hnd->status = NT_STATUS_NO_MEMORY;
+      return CAC_FAILURE;
+   }
+
+   class_names_out = TALLOC_ARRAY(mem_ctx, char *, op->in.max_keys);
+   if(!class_names_out) {
+      hnd->status = NT_STATUS_NO_MEMORY;
+      talloc_free(key_names_out);
+      return CAC_FAILURE;
+   }
+
+   mod_times_out = TALLOC_ARRAY(mem_ctx, time_t, op->in.max_keys);
+   if(!mod_times_out) {
+      hnd->status = NT_STATUS_NO_MEMORY;
+      talloc_free(key_names_out);
+      talloc_free(class_names_out);
+
+      return CAC_FAILURE;
+   }
+ 
+   resume_idx = op->out.resume_idx;
+
+   do {
+      err = rpccli_reg_enum_key( pipe_hnd, mem_ctx, op->in.key, resume_idx, key_name_in, class_name_in, &mod_times_out[num_keys_out]);
+      hnd->status = werror_to_ntstatus(err);
+
+      if(!NT_STATUS_IS_OK(hnd->status)) {
+         /*don't increment any values*/
+         break;
+      }
+
+      key_names_out[num_keys_out] = talloc_strdup(mem_ctx, key_name_in);
+
+      class_names_out[num_keys_out] = talloc_strdup(mem_ctx, class_name_in);
+
+      if(!key_names_out[num_keys_out] || !class_names_out[num_keys_out]) {
+         hnd->status = NT_STATUS_NO_MEMORY;
+         break;
+      }
+      
+      resume_idx++;
+      num_keys_out++;
+   } while(num_keys_out < op->in.max_keys);
+
+   if(CAC_OP_FAILED(hnd->status)) {
+      op->out.num_keys = 0;
+      return CAC_FAILURE;
+   }
+
+   op->out.resume_idx   = resume_idx;
+   op->out.num_keys     = num_keys_out;
+   op->out.key_names    = key_names_out;
+   op->out.class_names  = class_names_out;
+   op->out.mod_times    = mod_times_out;
+
+   return CAC_SUCCESS;
+}
+
+int cac_RegCreateKey(CacServerHandle *hnd, TALLOC_CTX *mem_ctx, struct RegCreateKey *op) {
+   struct rpc_pipe_client *pipe_hnd = NULL;
+   WERROR err;
+
+   POLICY_HND *key_out;
+
+   struct RegOpenKey rok;
+
+   if(!hnd) 
+      return CAC_FAILURE;
+
+   if(!hnd->_internal.ctx) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   if(!op || !op->in.parent_key || !op->in.key_name || !mem_ctx) {
+      hnd->status = NT_STATUS_INVALID_PARAMETER;
+      return CAC_FAILURE;
+   }
+
+   /*first try to open the key - we use cac_RegOpenKey(). this doubles as a way to ensure the winreg pipe is initialized*/
+   ZERO_STRUCT(rok);
+
+   rok.in.name = op->in.key_name;
+   rok.in.access = op->in.access;
+   rok.in.parent_key = op->in.parent_key;
+
+   if(cac_RegOpenKey(hnd, mem_ctx, &rok)) {
+      /*then we got the key, return*/
+      op->out.key = rok.out.key;
+      return CAC_SUCCESS;
+   }
+
+   /*just be ultra-safe*/
+   pipe_hnd = cac_GetPipe(hnd, PI_WINREG);
+   if(!pipe_hnd) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   key_out = talloc(mem_ctx, POLICY_HND);
+   if(!key_out) {
+      hnd->status = NT_STATUS_NO_MEMORY;
+      return CAC_FAILURE;
+   }
+
+   err = rpccli_reg_create_key_ex( pipe_hnd, mem_ctx, op->in.parent_key, op->in.key_name, op->in.class_name, op->in.access, key_out);
+   hnd->status = werror_to_ntstatus(err);
+
+   if(!NT_STATUS_IS_OK(hnd->status)) {
+      return CAC_FAILURE;
+   }
+
+   op->out.key = key_out;
+
+   return CAC_SUCCESS;
+
+}
+
+WERROR cac_delete_subkeys_recursive(struct rpc_pipe_client *pipe_hnd, TALLOC_CTX *mem_ctx, POLICY_HND *key) {
+   /*NOTE: using cac functions might result in a big(ger) memory bloat, and would probably be far less efficient 
+    * so we use the cli_reg functions directly*/
+
+   WERROR err = WERR_OK;
+
+   POLICY_HND subkey;
+   fstring subkey_name;
+   fstring class_buf;
+   time_t mod_time_buf;
+
+   int cur_key = 0;
+
+   while(W_ERROR_IS_OK(err)) {
+      err = rpccli_reg_enum_key( pipe_hnd, mem_ctx, key, cur_key, subkey_name, class_buf, &mod_time_buf); 
+
+      if(!W_ERROR_IS_OK(err))
+         break;
+
+      /*try to open the key with full access*/
+      err = rpccli_reg_open_entry(pipe_hnd, mem_ctx, key, subkey_name, REG_KEY_ALL, &subkey);
+
+      if(!W_ERROR_IS_OK(err))
+         break;
+
+      err = cac_delete_subkeys_recursive(pipe_hnd, mem_ctx, &subkey);
+
+      if(!W_ERROR_EQUAL(err,WERR_NO_MORE_ITEMS) && !W_ERROR_IS_OK(err))
+         break;
+
+      /*flush the key just to be safe*/
+      rpccli_reg_flush_key(pipe_hnd, mem_ctx, key);
+      
+      /*close the key that we opened*/
+      rpccli_reg_close(pipe_hnd, mem_ctx, &subkey);
+
+      /*now we delete the subkey*/
+      err = rpccli_reg_delete_key(pipe_hnd, mem_ctx, key, subkey_name);
+
+
+      cur_key++;
+   }
+
+
+   return err;
+}
+
+
+
+int cac_RegDeleteKey(CacServerHandle *hnd, TALLOC_CTX *mem_ctx, struct RegDeleteKey *op) {
+   struct rpc_pipe_client *pipe_hnd = NULL;
+   WERROR err;
+
+   if(!hnd) 
+      return CAC_FAILURE;
+
+   if(!hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG]) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   if(!op || !op->in.parent_key || !op->in.name || !mem_ctx) {
+      hnd->status = NT_STATUS_INVALID_PARAMETER;
+      return CAC_FAILURE;
+   }
+
+   pipe_hnd = cac_GetPipe(hnd, PI_WINREG);
+   if(!pipe_hnd) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   if(op->in.recursive) {
+      /*first open the key, and then delete all of it's subkeys recursively*/
+      struct RegOpenKey rok;
+      ZERO_STRUCT(rok);
+
+      rok.in.parent_key = op->in.parent_key;
+      rok.in.name       = op->in.name;
+      rok.in.access     = REG_KEY_ALL;
+
+      if(!cac_RegOpenKey(hnd, mem_ctx, &rok))
+         return CAC_FAILURE;
+
+      err = cac_delete_subkeys_recursive(pipe_hnd, mem_ctx, rok.out.key);
+
+      /*close the key that we opened*/
+      cac_RegClose(hnd, mem_ctx, rok.out.key);
+
+      hnd->status = werror_to_ntstatus(err);
+
+      if(NT_STATUS_V(hnd->status) != NT_STATUS_V(NT_STATUS_GUIDS_EXHAUSTED) && !NT_STATUS_IS_OK(hnd->status))
+         return CAC_FAILURE;
+
+      /*now go on to actually delete the key*/
+   }
+
+   err = rpccli_reg_delete_key( pipe_hnd, mem_ctx, op->in.parent_key, op->in.name);
+   hnd->status = werror_to_ntstatus(err);
+
+   if(!NT_STATUS_IS_OK(hnd->status)) {
+      return CAC_FAILURE;
+   }
+
+   return CAC_SUCCESS;
+}
+
+int cac_RegDeleteValue(CacServerHandle *hnd, TALLOC_CTX *mem_ctx, struct RegDeleteValue *op) {
+   struct rpc_pipe_client *pipe_hnd = NULL;
+   WERROR err;
+
+   if(!hnd) 
+      return CAC_FAILURE;
+
+   if(!hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG]) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   if(!op || !op->in.parent_key || !op->in.name || !mem_ctx) {
+      hnd->status = NT_STATUS_INVALID_PARAMETER;
+      return CAC_FAILURE;
+   }
+
+   pipe_hnd = cac_GetPipe(hnd, PI_WINREG);
+   if(!pipe_hnd) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   err = rpccli_reg_delete_val( pipe_hnd, mem_ctx, op->in.parent_key, op->in.name);
+   hnd->status = werror_to_ntstatus(err);
+
+   if(!NT_STATUS_IS_OK(hnd->status)) {
+      return CAC_FAILURE;
+   }
+
+   return CAC_SUCCESS;
+}
+
+int cac_RegQueryKeyInfo(CacServerHandle *hnd, TALLOC_CTX *mem_ctx, struct RegQueryKeyInfo *op) {
+   struct rpc_pipe_client *pipe_hnd = NULL;
+   WERROR err;
+
+   char *class_name_out    = NULL;
+   uint32 class_len        = 0;
+   uint32 num_subkeys_out  = 0;
+   uint32 long_subkey_out  = 0;
+   uint32 long_class_out   = 0;
+   uint32 num_values_out   = 0;
+   uint32 long_value_out   = 0;
+   uint32 long_data_out    = 0;
+   uint32 secdesc_size     = 0;
+   NTTIME mod_time;
+
+   if(!hnd) 
+      return CAC_FAILURE;
+
+   if(!hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG]) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   if(!op || !op->in.key || !mem_ctx) {
+      hnd->status = NT_STATUS_INVALID_PARAMETER;
+      return CAC_FAILURE;
+   }
+
+   pipe_hnd = cac_GetPipe(hnd, PI_WINREG);
+   if(!pipe_hnd) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   err = rpccli_reg_query_key( pipe_hnd, mem_ctx, op->in.key,
+                              class_name_out,
+                              &class_len,
+                              &num_subkeys_out,
+                              &long_subkey_out,
+                              &long_class_out,
+                              &num_values_out,
+                              &long_value_out,
+                              &long_data_out,
+                              &secdesc_size,
+                              &mod_time);
+
+   hnd->status = werror_to_ntstatus(err);
+
+   if(!NT_STATUS_IS_OK(hnd->status))
+      return CAC_FAILURE;
+
+   if(!class_name_out) {
+      op->out.class_name = talloc_strdup(mem_ctx, "");
+   }
+   else if(class_len != 0 && class_name_out[class_len - 1] != '\0') {
+      /*then we need to add a '\0'*/
+      op->out.class_name = talloc_size(mem_ctx, sizeof(char)*(class_len + 1));
+
+      memcpy(op->out.class_name, class_name_out, class_len);
+
+      op->out.class_name[class_len] = '\0';
+   }
+   else { /*then everything worked out fine in the function*/
+      op->out.class_name = talloc_strdup(mem_ctx, class_name_out);
+   }
+
+   if(!op->out.class_name) {
+      hnd->status = NT_STATUS_NO_MEMORY;
+      return CAC_FAILURE;
+   }
+
+   op->out.num_subkeys        = num_subkeys_out;
+   op->out.longest_subkey     = long_subkey_out;
+   op->out.longest_class      = long_class_out;
+   op->out.num_values         = num_values_out;
+   op->out.longest_value_name = long_value_out;
+   op->out.longest_value_data = long_data_out;
+   op->out.security_desc_size = secdesc_size;
+   op->out.last_write_time    = nt_time_to_unix(&mod_time);
+
+   return CAC_FAILURE;
+}
+
+int cac_RegQueryValue(CacServerHandle *hnd, TALLOC_CTX *mem_ctx, struct RegQueryValue *op) {
+   struct rpc_pipe_client *pipe_hnd = NULL;
+   WERROR err;
+
+   uint32 val_type;
+   REGVAL_BUFFER buffer;
+   REG_VALUE_DATA *data_out = NULL;
+
+   if(!hnd) 
+      return CAC_FAILURE;
+
+   if(!hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG]) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   if(!op || !op->in.key || !op->in.val_name || !mem_ctx) {
+      hnd->status = NT_STATUS_INVALID_PARAMETER;
+      return CAC_FAILURE;
+   }
+
+   pipe_hnd = cac_GetPipe(hnd, PI_WINREG);
+   if(!pipe_hnd) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   err = rpccli_reg_query_value(pipe_hnd, mem_ctx, op->in.key, op->in.val_name, &val_type, &buffer);
+   hnd->status = werror_to_ntstatus(err);
+
+   if(!NT_STATUS_IS_OK(hnd->status))
+      return CAC_FAILURE;
+
+   data_out = cac_MakeRegValueData(mem_ctx, val_type, buffer);
+   if(!data_out) {
+      if(errno == ENOMEM)
+         hnd->status = NT_STATUS_NO_MEMORY;
+      else
+         hnd->status = NT_STATUS_INVALID_PARAMETER;
+
+      return CAC_FAILURE;
+   }
+
+   op->out.type = val_type;
+   op->out.data = data_out;
+
+   return CAC_SUCCESS;
+}
+
+
+int cac_RegEnumValues(CacServerHandle *hnd, TALLOC_CTX *mem_ctx, struct RegEnumValues *op) {
+   struct rpc_pipe_client *pipe_hnd = NULL;
+   WERROR err;
+
+   /*buffers for rpccli_reg_enum_key call*/
+   fstring val_name_buf;
+   REGVAL_BUFFER val_buf;
+
+   /*output buffers*/
+   uint32 *types_out          = NULL;
+   REG_VALUE_DATA **values_out = NULL;
+   char **val_names_out       = NULL;
+   uint32 num_values_out      = 0;
+   uint32 resume_idx          = 0;
+
+   if(!hnd) 
+      return CAC_FAILURE;
+
+   /*this is to avoid useless rpc calls, if the last call exhausted all the keys, then we don't need to go through everything again*/
+   if(NT_STATUS_V(hnd->status) == NT_STATUS_V(NT_STATUS_GUIDS_EXHAUSTED))
+      return CAC_FAILURE;
+
+   if(!hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG]) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   if(!op || !op->in.key || op->in.max_values == 0 || !mem_ctx) {
+      hnd->status = NT_STATUS_INVALID_PARAMETER;
+      return CAC_FAILURE;
+   }
+
+   pipe_hnd = cac_GetPipe(hnd, PI_WINREG);
+   if(!pipe_hnd) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   /*we need to assume that the max number of values will be enumerated*/
+   types_out = (uint32 *)talloc_array(mem_ctx, int, op->in.max_values);
+   if(!types_out) {
+      hnd->status = NT_STATUS_NO_MEMORY;
+      return CAC_FAILURE;
+   }
+
+   values_out = talloc_array(mem_ctx, REG_VALUE_DATA *, op->in.max_values);
+   if(!values_out) {
+      talloc_free(types_out);
+      hnd->status = NT_STATUS_NO_MEMORY;
+      return CAC_FAILURE;
+   }
+
+   val_names_out = talloc_array(mem_ctx, char *, op->in.max_values);
+   if(!val_names_out) {
+      talloc_free(types_out);
+      talloc_free(values_out);
+      hnd->status = NT_STATUS_NO_MEMORY;
+      return CAC_FAILURE;
+   }
+
+   resume_idx = op->out.resume_idx;
+   do {
+      ZERO_STRUCT(val_buf);
+
+      err = rpccli_reg_enum_val(pipe_hnd, mem_ctx, op->in.key, resume_idx, val_name_buf, &types_out[num_values_out], &val_buf);
+      hnd->status = werror_to_ntstatus(err);
+
+      if(!NT_STATUS_IS_OK(hnd->status))
+         break;
+
+      values_out[num_values_out] = cac_MakeRegValueData(mem_ctx, types_out[num_values_out], val_buf);
+      val_names_out[num_values_out] = talloc_strdup(mem_ctx, val_name_buf);
+
+      if(!val_names_out[num_values_out] || !values_out[num_values_out]) {
+         hnd->status = NT_STATUS_NO_MEMORY;
+         break;
+      }
+
+      num_values_out++;
+      resume_idx++;
+   } while(num_values_out < op->in.max_values);
+
+   if(CAC_OP_FAILED(hnd->status))
+      return CAC_FAILURE;
+
+   op->out.types        = types_out;
+   op->out.num_values   = num_values_out;
+   op->out.value_names  = val_names_out;
+   op->out.values       = values_out;
+   op->out.resume_idx   = resume_idx;
+
+   return CAC_SUCCESS;
+}
+
+int cac_RegSetValue(CacServerHandle *hnd, TALLOC_CTX *mem_ctx, struct RegSetValue *op) {
+   struct rpc_pipe_client *pipe_hnd = NULL;
+   WERROR err;
+
+   RPC_DATA_BLOB *buffer;
+
+   if(!hnd) 
+      return CAC_FAILURE;
+
+   if(!hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG]) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   if(!op || !op->in.key || !op->in.val_name || !mem_ctx) {
+      hnd->status = NT_STATUS_INVALID_PARAMETER;
+      return CAC_FAILURE;
+   }
+
+   pipe_hnd = cac_GetPipe(hnd, PI_WINREG);
+   if(!pipe_hnd) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   buffer = cac_MakeRpcDataBlob(mem_ctx, op->in.type, op->in.value);
+
+   if(!buffer) {
+      if(errno == ENOMEM)
+         hnd->status = NT_STATUS_NO_MEMORY;
+      else
+         hnd->status = NT_STATUS_INVALID_PARAMETER;
+
+      return CAC_FAILURE;
+   }
+
+   err = rpccli_reg_set_val(pipe_hnd, mem_ctx, op->in.key, op->in.val_name, op->in.type, buffer);
+   hnd->status = werror_to_ntstatus(err);
+   
+   if(!NT_STATUS_IS_OK(hnd->status))
+      return CAC_FAILURE;
+
+   /*flush*/
+   err = rpccli_reg_flush_key(pipe_hnd, mem_ctx, op->in.key);
+   hnd->status = werror_to_ntstatus(err);
+
+   if(!NT_STATUS_IS_OK(hnd->status))
+      return CAC_FAILURE;
+
+   return CAC_SUCCESS;
+}
+
+
+
+int cac_RegGetVersion(CacServerHandle *hnd, TALLOC_CTX *mem_ctx, struct RegGetVersion *op) {
+   struct rpc_pipe_client *pipe_hnd = NULL;
+   WERROR err;
+
+   uint32 version_out;
+
+   if(!hnd) 
+      return CAC_FAILURE;
+
+   if(!hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG]) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   if(!op || !op->in.key || !mem_ctx) {
+      hnd->status = NT_STATUS_INVALID_PARAMETER;
+      return CAC_FAILURE;
+   }
+
+   pipe_hnd = cac_GetPipe(hnd, PI_WINREG);
+   if(!pipe_hnd) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   err = rpccli_reg_getversion( pipe_hnd, mem_ctx, op->in.key, &version_out);
+   hnd->status = werror_to_ntstatus(err);
+
+   if(!NT_STATUS_IS_OK(hnd->status))
+      return CAC_FAILURE;
+
+   op->out.version = version_out;
+
+   return CAC_SUCCESS;
+}
+
+int cac_RegGetKeySecurity(CacServerHandle *hnd, TALLOC_CTX *mem_ctx, struct RegGetKeySecurity *op) {
+   struct rpc_pipe_client *pipe_hnd = NULL;
+   WERROR err;
+
+   uint32 buf_size;
+   SEC_DESC_BUF *buf = NULL;
+
+   if(!hnd) 
+      return CAC_FAILURE;
+
+   if(!hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG]) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   if(!op || !op->in.key || op->in.info_type == 0 || !mem_ctx) {
+      hnd->status = NT_STATUS_INVALID_PARAMETER;
+      return CAC_FAILURE;
+   }
+
+   pipe_hnd = cac_GetPipe(hnd, PI_WINREG);
+   if(!pipe_hnd) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   err = rpccli_reg_get_key_sec(pipe_hnd, mem_ctx, op->in.key, op->in.info_type, &buf_size, buf);
+   hnd->status = werror_to_ntstatus(err);
+
+
+   if(!NT_STATUS_IS_OK(hnd->status)) {
+      return CAC_FAILURE;
+   }
+
+   op->out.size = buf->len;
+   op->out.descriptor = buf->sec;
+
+   return CAC_SUCCESS;
+}
+
+int cac_RegSetKeySecurity(CacServerHandle *hnd, TALLOC_CTX *mem_ctx, struct RegSetKeySecurity *op) {
+   struct rpc_pipe_client *pipe_hnd = NULL;
+   WERROR err;
+
+   if(!hnd) 
+      return CAC_FAILURE;
+
+   if(!hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG]) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   if(!op || !op->in.key || op->in.info_type == 0 || op->in.size == 0 || !op->in.descriptor || !mem_ctx) {
+      hnd->status = NT_STATUS_INVALID_PARAMETER;
+      return CAC_FAILURE;
+   }
+
+   pipe_hnd = cac_GetPipe(hnd, PI_WINREG);
+   if(!pipe_hnd) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   err = rpccli_reg_set_key_sec(pipe_hnd, mem_ctx, op->in.key, op->in.info_type, op->in.size, op->in.descriptor);
+   hnd->status = werror_to_ntstatus(err);
+
+
+   if(!NT_STATUS_IS_OK(hnd->status)) {
+      return CAC_FAILURE;
+   }
+
+   return CAC_SUCCESS;
+}
+
+int cac_RegSaveKey(CacServerHandle *hnd, TALLOC_CTX *mem_ctx, struct RegSaveKey *op) {
+   struct rpc_pipe_client *pipe_hnd = NULL;
+   WERROR err;
+
+   if(!hnd) 
+      return CAC_FAILURE;
+
+   if(!hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG]) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   if(!op || !op->in.key || !op->in.filename || !mem_ctx) {
+      hnd->status = NT_STATUS_INVALID_PARAMETER;
+      return CAC_FAILURE;
+   }
+
+   pipe_hnd = cac_GetPipe(hnd, PI_WINREG);
+   if(!pipe_hnd) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   err = rpccli_reg_save_key( pipe_hnd, mem_ctx, op->in.key, op->in.filename);
+   hnd->status = werror_to_ntstatus(err);
+
+
+   if(!NT_STATUS_IS_OK(hnd->status)) {
+      return CAC_FAILURE;
+   }
+
+   return CAC_SUCCESS;
+}
+
+int cac_Shutdown(CacServerHandle *hnd, TALLOC_CTX *mem_ctx, struct Shutdown *op) {
+   SMBCSRV *srv = NULL;
+   struct rpc_pipe_client *pipe_hnd = NULL;
+
+   char *msg;
+
+   if(!hnd) 
+      return CAC_FAILURE;
+
+   if(!hnd->_internal.ctx) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   if(!op || !mem_ctx) {
+      hnd->status = NT_STATUS_INVALID_PARAMETER;
+      return CAC_FAILURE;
+   }
+
+   srv = cac_GetServer(hnd);
+   if(!srv) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   /*initialize for winreg pipe if we have to*/
+   if(!hnd->_internal.pipes[PI_SHUTDOWN]) {
+      if(!(pipe_hnd = cli_rpc_pipe_open_noauth(&srv->cli, PI_SHUTDOWN, &(hnd->status)))) {
+         return CAC_FAILURE;
+      }
+
+      hnd->_internal.pipes[PI_SHUTDOWN] = True;
+   }
+
+   msg = (op->in.message != NULL) ? op->in.message : talloc_strdup(mem_ctx, "");
+
+   hnd->status = NT_STATUS_OK;
+
+   if(hnd->_internal.srv_level > SRV_WIN_NT4) {
+      hnd->status = rpccli_shutdown_init_ex( pipe_hnd, mem_ctx, msg, op->in.timeout, op->in.reboot, op->in.force, op->in.reason);
+   }
+
+   if(hnd->_internal.srv_level < SRV_WIN_2K || !NT_STATUS_IS_OK(hnd->status)) {
+      hnd->status = rpccli_shutdown_init( pipe_hnd, mem_ctx, msg, op->in.timeout, op->in.reboot, op->in.force);
+
+      hnd->_internal.srv_level = SRV_WIN_NT4;
+   }
+
+   if(!NT_STATUS_IS_OK(hnd->status)) {
+      return CAC_FAILURE;
+   }
+
+   return CAC_SUCCESS;
+}
+
+int cac_AbortShutdown(CacServerHandle *hnd, TALLOC_CTX *mem_ctx) {
+   struct rpc_pipe_client *pipe_hnd = NULL;
+
+   if(!hnd) 
+      return CAC_FAILURE;
+
+   if(!hnd->_internal.ctx || !hnd->_internal.pipes[PI_SHUTDOWN]) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   pipe_hnd = cac_GetPipe(hnd, PI_SHUTDOWN);
+   if(!pipe_hnd) {
+      hnd->status = NT_STATUS_INVALID_HANDLE;
+      return CAC_FAILURE;
+   }
+
+   hnd->status = rpccli_shutdown_abort(pipe_hnd, mem_ctx);
+
+   if(!NT_STATUS_IS_OK(hnd->status))
+      return CAC_FAILURE;
+
+   return CAC_SUCCESS;
+}
+