* Unix SMB/CIFS implementation.
* Virtual Windows Registry Layer
* Copyright (C) Gerald Carter 2002-2005
+ * Copyright (C) Michael Adam 2007-2010
*
* 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
/* Implementation of registry frontend view functions. */
#include "includes.h"
+#include "registry.h"
+#include "reg_objects.h"
+#include "util_tdb.h"
+#include "dbwrap.h"
+#include "../libcli/registry/util_reg.h"
#undef DBGC_CLASS
-#define DBGC_CLASS DBGC_RPC_SRV
+#define DBGC_CLASS DBGC_REGISTRY
+
+/* low level structure to contain registry values */
+
+struct regval_blob {
+ fstring valuename;
+ uint32_t type;
+ /* this should be encapsulated in an RPC_DATA_BLOB */
+ uint32_t size; /* in bytes */
+ uint8_t *data_p;
+};
+
+/* container for registry values */
+
+struct regval_ctr {
+ uint32_t num_values;
+ struct regval_blob **values;
+ int seqnum;
+};
+
+struct regsubkey_ctr {
+ uint32_t num_subkeys;
+ char **subkeys;
+ struct db_context *subkeys_hash;
+ int seqnum;
+};
/**********************************************************************
- Note that the REGSUB_CTR and REGVAL_CTR objects *must* be talloc()'d
- since the methods use the object pointer as the talloc context for
- internal private data.
+ Note that the struct regsubkey_ctr and struct regval_ctr objects *must* be
+ talloc()'d since the methods use the object pointer as the talloc
+ context for internal private data.
- There is no longer a regXXX_ctr_intit() and regXXX_ctr_destroy()
- pair of functions. Simply TALLOC_ZERO_P() and TALLOC_FREE() the
+ There is no longer a regval_ctr_intit() and regval_ctr_destroy()
+ pair of functions. Simply talloc_zero() and TALLOC_FREE() the
object.
**********************************************************************/
+WERROR regsubkey_ctr_init(TALLOC_CTX *mem_ctx, struct regsubkey_ctr **ctr)
+{
+ if (ctr == NULL) {
+ return WERR_INVALID_PARAM;
+ }
+
+ *ctr = talloc_zero(mem_ctx, struct regsubkey_ctr);
+ if (*ctr == NULL) {
+ return WERR_NOMEM;
+ }
+
+ (*ctr)->subkeys_hash = db_open_rbt(*ctr);
+ if ((*ctr)->subkeys_hash == NULL) {
+ talloc_free(*ctr);
+ return WERR_NOMEM;
+ }
+
+ return WERR_OK;
+}
+
+/**
+ * re-initialize the list of subkeys (to the emtpy list)
+ * in an already allocated regsubkey_ctr
+ */
+
+WERROR regsubkey_ctr_reinit(struct regsubkey_ctr *ctr)
+{
+ if (ctr == NULL) {
+ return WERR_INVALID_PARAM;
+ }
+
+ talloc_free(ctr->subkeys_hash);
+ ctr->subkeys_hash = db_open_rbt(ctr);
+ W_ERROR_HAVE_NO_MEMORY(ctr->subkeys_hash);
+
+ TALLOC_FREE(ctr->subkeys);
+
+ ctr->num_subkeys = 0;
+ ctr->seqnum = 0;
+
+ return WERR_OK;
+}
+
+WERROR regsubkey_ctr_set_seqnum(struct regsubkey_ctr *ctr, int seqnum)
+{
+ if (ctr == NULL) {
+ return WERR_INVALID_PARAM;
+ }
+
+ ctr->seqnum = seqnum;
+
+ return WERR_OK;
+}
+
+int regsubkey_ctr_get_seqnum(struct regsubkey_ctr *ctr)
+{
+ if (ctr == NULL) {
+ return -1;
+ }
+
+ return ctr->seqnum;
+}
+
+static WERROR regsubkey_ctr_hash_keyname(struct regsubkey_ctr *ctr,
+ const char *keyname,
+ uint32_t idx)
+{
+ WERROR werr;
+
+ werr = ntstatus_to_werror(dbwrap_store_bystring_upper(ctr->subkeys_hash,
+ keyname,
+ make_tdb_data((uint8_t *)&idx,
+ sizeof(idx)),
+ TDB_REPLACE));
+ if (!W_ERROR_IS_OK(werr)) {
+ DEBUG(1, ("error hashing new key '%s' in container: %s\n",
+ keyname, win_errstr(werr)));
+ }
+
+ return werr;
+}
+
+static WERROR regsubkey_ctr_unhash_keyname(struct regsubkey_ctr *ctr,
+ const char *keyname)
+{
+ WERROR werr;
+
+ werr = ntstatus_to_werror(dbwrap_delete_bystring_upper(ctr->subkeys_hash,
+ keyname));
+ if (!W_ERROR_IS_OK(werr)) {
+ DEBUG(1, ("error unhashing key '%s' in container: %s\n",
+ keyname, win_errstr(werr)));
+ }
+
+ return werr;
+}
+
+static WERROR regsubkey_ctr_index_for_keyname(struct regsubkey_ctr *ctr,
+ const char *keyname,
+ uint32_t *idx)
+{
+ TDB_DATA data;
+
+ if ((ctr == NULL) || (keyname == NULL)) {
+ return WERR_INVALID_PARAM;
+ }
+
+ data = dbwrap_fetch_bystring_upper(ctr->subkeys_hash, ctr, keyname);
+ if (data.dptr == NULL) {
+ return WERR_NOT_FOUND;
+ }
+
+ if (data.dsize != sizeof(*idx)) {
+ talloc_free(data.dptr);
+ return WERR_INVALID_DATATYPE;
+ }
+
+ if (idx != NULL) {
+ *idx = *(uint32_t *)data.dptr;
+ }
+
+ talloc_free(data.dptr);
+ return WERR_OK;
+}
+
/***********************************************************************
Add a new key to the array
**********************************************************************/
-WERROR regsubkey_ctr_addkey( REGSUBKEY_CTR *ctr, const char *keyname )
+WERROR regsubkey_ctr_addkey( struct regsubkey_ctr *ctr, const char *keyname )
{
char **newkeys;
+ WERROR werr;
if ( !keyname ) {
return WERR_OK;
return WERR_OK;
}
- if (!(newkeys = TALLOC_REALLOC_ARRAY(ctr, ctr->subkeys, char *,
+ if (!(newkeys = talloc_realloc(ctr, ctr->subkeys, char *,
ctr->num_subkeys+1))) {
return WERR_NOMEM;
}
*/
return WERR_NOMEM;
}
+
+ werr = regsubkey_ctr_hash_keyname(ctr, keyname, ctr->num_subkeys);
+ W_ERROR_NOT_OK_RETURN(werr);
+
ctr->num_subkeys++;
return WERR_OK;
Delete a key from the array
**********************************************************************/
-int regsubkey_ctr_delkey( REGSUBKEY_CTR *ctr, const char *keyname )
+WERROR regsubkey_ctr_delkey( struct regsubkey_ctr *ctr, const char *keyname )
{
- int i;
+ WERROR werr;
+ uint32_t idx, j;
- if ( !keyname )
- return ctr->num_subkeys;
+ if (keyname == NULL) {
+ return WERR_INVALID_PARAM;
+ }
/* make sure the keyname is actually already there */
- for ( i=0; i<ctr->num_subkeys; i++ ) {
- if ( strequal( ctr->subkeys[i], keyname ) )
- break;
- }
+ werr = regsubkey_ctr_index_for_keyname(ctr, keyname, &idx);
+ W_ERROR_NOT_OK_RETURN(werr);
- if ( i == ctr->num_subkeys )
- return ctr->num_subkeys;
+ werr = regsubkey_ctr_unhash_keyname(ctr, keyname);
+ W_ERROR_NOT_OK_RETURN(werr);
/* update if we have any keys left */
ctr->num_subkeys--;
- if ( i < ctr->num_subkeys )
- memmove(&ctr->subkeys[i], &ctr->subkeys[i+1],
- sizeof(char*) * (ctr->num_subkeys-i));
+ if (idx < ctr->num_subkeys) {
+ memmove(&ctr->subkeys[idx], &ctr->subkeys[idx+1],
+ sizeof(char *) * (ctr->num_subkeys - idx));
+
+ /* we have to re-hash rest of the array... :-( */
+ for (j = idx; j < ctr->num_subkeys; j++) {
+ werr = regsubkey_ctr_hash_keyname(ctr, ctr->subkeys[j], j);
+ W_ERROR_NOT_OK_RETURN(werr);
+ }
+ }
- return ctr->num_subkeys;
+ return WERR_OK;
}
/***********************************************************************
Check for the existance of a key
**********************************************************************/
-BOOL regsubkey_ctr_key_exists( REGSUBKEY_CTR *ctr, const char *keyname )
+bool regsubkey_ctr_key_exists( struct regsubkey_ctr *ctr, const char *keyname )
{
- int i;
+ WERROR werr;
if (!ctr->subkeys) {
return False;
}
- for ( i=0; i<ctr->num_subkeys; i++ ) {
- if ( strequal( ctr->subkeys[i],keyname ) )
- return True;
+ werr = regsubkey_ctr_index_for_keyname(ctr, keyname, NULL);
+ if (!W_ERROR_IS_OK(werr)) {
+ return false;
}
- return False;
+ return true;
}
/***********************************************************************
How many keys does the container hold ?
**********************************************************************/
-int regsubkey_ctr_numkeys( REGSUBKEY_CTR *ctr )
+int regsubkey_ctr_numkeys( struct regsubkey_ctr *ctr )
{
return ctr->num_subkeys;
}
Retreive a specific key string
**********************************************************************/
-char* regsubkey_ctr_specific_key( REGSUBKEY_CTR *ctr, uint32 key_index )
+char* regsubkey_ctr_specific_key( struct regsubkey_ctr *ctr, uint32_t key_index )
{
if ( ! (key_index < ctr->num_subkeys) )
return NULL;
}
/*
- * Utility functions for REGVAL_CTR
+ * Utility functions for struct regval_ctr
+ */
+
+/**
+ * allocate a regval_ctr structure.
*/
+WERROR regval_ctr_init(TALLOC_CTX *mem_ctx, struct regval_ctr **ctr)
+{
+ if (ctr == NULL) {
+ return WERR_INVALID_PARAM;
+ }
+
+ *ctr = talloc_zero(mem_ctx, struct regval_ctr);
+ if (*ctr == NULL) {
+ return WERR_NOMEM;
+ }
+
+ return WERR_OK;
+}
/***********************************************************************
How many keys does the container hold ?
**********************************************************************/
-int regval_ctr_numvals( REGVAL_CTR *ctr )
+int regval_ctr_numvals(struct regval_ctr *ctr)
{
return ctr->num_values;
}
/***********************************************************************
- allocate memory for and duplicate a REGISTRY_VALUE.
+ allocate memory for and duplicate a struct regval_blob.
This is malloc'd memory so the caller should free it when done
**********************************************************************/
-REGISTRY_VALUE* dup_registry_value( REGISTRY_VALUE *val )
+struct regval_blob* dup_registry_value(struct regval_blob *val)
{
- REGISTRY_VALUE *copy = NULL;
+ struct regval_blob *copy = NULL;
if ( !val )
return NULL;
- if ( !(copy = SMB_MALLOC_P( REGISTRY_VALUE)) ) {
+ if ( !(copy = SMB_MALLOC_P( struct regval_blob)) ) {
DEBUG(0,("dup_registry_value: malloc() failed!\n"));
return NULL;
}
/* copy all the non-pointer initial data */
- memcpy( copy, val, sizeof(REGISTRY_VALUE) );
+ memcpy( copy, val, sizeof(struct regval_blob) );
copy->size = 0;
copy->data_p = NULL;
if ( val->data_p && val->size )
{
- if ( !(copy->data_p = (uint8 *)memdup( val->data_p,
+ if ( !(copy->data_p = (uint8_t *)memdup( val->data_p,
val->size )) ) {
DEBUG(0,("dup_registry_value: memdup() failed for [%d] "
"bytes!\n", val->size));
}
/**********************************************************************
- free the memory allocated to a REGISTRY_VALUE
+ free the memory allocated to a struct regval_blob
*********************************************************************/
-void free_registry_value( REGISTRY_VALUE *val )
+void free_registry_value(struct regval_blob *val)
{
if ( !val )
return;
/**********************************************************************
*********************************************************************/
-uint8* regval_data_p( REGISTRY_VALUE *val )
+uint8_t* regval_data_p(struct regval_blob *val)
{
return val->data_p;
}
/**********************************************************************
*********************************************************************/
-uint32 regval_size( REGISTRY_VALUE *val )
+uint32_t regval_size(struct regval_blob *val)
{
return val->size;
}
/**********************************************************************
*********************************************************************/
-char* regval_name( REGISTRY_VALUE *val )
+char* regval_name(struct regval_blob *val)
{
return val->valuename;
}
/**********************************************************************
*********************************************************************/
-uint32 regval_type( REGISTRY_VALUE *val )
+uint32_t regval_type(struct regval_blob *val)
{
return val->type;
}
since this memory will go away when the ctr is free()'d
**********************************************************************/
-REGISTRY_VALUE* regval_ctr_specific_value( REGVAL_CTR *ctr, uint32 idx )
+struct regval_blob *regval_ctr_specific_value(struct regval_ctr *ctr,
+ uint32_t idx)
{
if ( !(idx < ctr->num_values) )
return NULL;
Check for the existance of a value
**********************************************************************/
-BOOL regval_ctr_key_exists( REGVAL_CTR *ctr, const char *value )
+bool regval_ctr_key_exists(struct regval_ctr *ctr, const char *value)
{
int i;
}
/***********************************************************************
- * compose a REGISTRY_VALUE from input data
+ * compose a struct regval_blob from input data
**********************************************************************/
-REGISTRY_VALUE *regval_compose(TALLOC_CTX *ctx, const char *name, uint16 type,
- const char *data_p, size_t size)
+struct regval_blob *regval_compose(TALLOC_CTX *ctx, const char *name,
+ uint32_t type,
+ const uint8_t *data_p, size_t size)
{
- REGISTRY_VALUE *regval = TALLOC_P(ctx, REGISTRY_VALUE);
+ struct regval_blob *regval = talloc(ctx, struct regval_blob);
if (regval == NULL) {
return NULL;
fstrcpy(regval->valuename, name);
regval->type = type;
if (size) {
- regval->data_p = (uint8 *)TALLOC_MEMDUP(regval, data_p, size);
+ regval->data_p = (uint8_t *)TALLOC_MEMDUP(regval, data_p, size);
if (!regval->data_p) {
TALLOC_FREE(regval);
return NULL;
Add a new registry value to the array
**********************************************************************/
-int regval_ctr_addvalue( REGVAL_CTR *ctr, const char *name, uint16 type,
- const char *data_p, size_t size )
+int regval_ctr_addvalue(struct regval_ctr *ctr, const char *name, uint32_t type,
+ const uint8_t *data_p, size_t size)
{
if ( !name )
return ctr->num_values;
/* allocate a slot in the array of pointers */
if ( ctr->num_values == 0 ) {
- ctr->values = TALLOC_P( ctr, REGISTRY_VALUE *);
+ ctr->values = talloc( ctr, struct regval_blob *);
} else {
- ctr->values = TALLOC_REALLOC_ARRAY(ctr, ctr->values,
- REGISTRY_VALUE *,
+ ctr->values = talloc_realloc(ctr, ctr->values,
+ struct regval_blob *,
ctr->num_values+1);
}
return ctr->num_values;
}
+/***********************************************************************
+ Add a new registry SZ value to the array
+ **********************************************************************/
+
+int regval_ctr_addvalue_sz(struct regval_ctr *ctr, const char *name, const char *data)
+{
+ DATA_BLOB blob;
+
+ if (!push_reg_sz(ctr, &blob, data)) {
+ return -1;
+ }
+
+ return regval_ctr_addvalue(ctr, name, REG_SZ,
+ (const uint8_t *)blob.data,
+ blob.length);
+}
+
+/***********************************************************************
+ Add a new registry MULTI_SZ value to the array
+ **********************************************************************/
+
+int regval_ctr_addvalue_multi_sz(struct regval_ctr *ctr, const char *name, const char **data)
+{
+ DATA_BLOB blob;
+
+ if (!push_reg_multi_sz(ctr, &blob, data)) {
+ return -1;
+ }
+
+ return regval_ctr_addvalue(ctr, name, REG_MULTI_SZ,
+ (const uint8_t *)blob.data,
+ blob.length);
+}
+
/***********************************************************************
Add a new registry value to the array
**********************************************************************/
-int regval_ctr_copyvalue( REGVAL_CTR *ctr, REGISTRY_VALUE *val )
+int regval_ctr_copyvalue(struct regval_ctr *ctr, struct regval_blob *val)
{
if ( val ) {
regval_ctr_addvalue(ctr, val->valuename, val->type,
- (char *)val->data_p, val->size);
+ (uint8_t *)val->data_p, val->size);
}
return ctr->num_values;
No need to free memory since it is talloc'd.
**********************************************************************/
-int regval_ctr_delvalue( REGVAL_CTR *ctr, const char *name )
+int regval_ctr_delvalue(struct regval_ctr *ctr, const char *name)
{
int i;
ctr->num_values--;
if ( i < ctr->num_values )
memmove(&ctr->values[i], &ctr->values[i+1],
- sizeof(REGISTRY_VALUE*)*(ctr->num_values-i));
+ sizeof(struct regval_blob*)*(ctr->num_values-i));
return ctr->num_values;
}
No need to free memory since it is talloc'd.
**********************************************************************/
-REGISTRY_VALUE* regval_ctr_getvalue( REGVAL_CTR *ctr, const char *name )
+struct regval_blob* regval_ctr_getvalue(struct regval_ctr *ctr,
+ const char *name)
{
int i;
return NULL;
}
+int regval_ctr_get_seqnum(struct regval_ctr *ctr)
+{
+ if (ctr == NULL) {
+ return -1;
+ }
+
+ return ctr->seqnum;
+}
+
+WERROR regval_ctr_set_seqnum(struct regval_ctr *ctr, int seqnum)
+{
+ if (ctr == NULL) {
+ return WERR_INVALID_PARAM;
+ }
+
+ ctr->seqnum = seqnum;
+
+ return WERR_OK;
+}
+
/***********************************************************************
- return the data_p as a uint32
+ return the data_p as a uint32_t
**********************************************************************/
-uint32 regval_dword( REGISTRY_VALUE *val )
+uint32_t regval_dword(struct regval_blob *val)
{
- uint32 data;
+ uint32_t data;
data = IVAL( regval_data_p(val), 0 );
return the data_p as a character string
**********************************************************************/
-char* regval_sz( REGISTRY_VALUE *val )
+const char *regval_sz(struct regval_blob *val)
{
- pstring data;
+ const char *data = NULL;
+ DATA_BLOB blob = data_blob_const(regval_data_p(val), regval_size(val));
- rpcstr_pull(data, regval_data_p(val), sizeof(data), regval_size(val),0);
+ pull_reg_sz(talloc_tos(), &blob, &data);
- return talloc_strdup(talloc_tos(), data);
+ return data;
}
git.samba.org / nivanova / samba-autobuild / .git / blobdiff