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authorGerald Carter <jerry@samba.org>2002-07-18 23:00:24 +0000
committerGerald Carter <jerry@samba.org>2002-07-18 23:00:24 +0000
commit06ae9ac5d98a752d8ca17686a4a3b1786fbe520d (patch)
tree09607de65ac2f72d4d987b0bce496cd8ff7f733b /source3/rpc_server/srv_reg_nt.c
parent2afc1ca42c6a945fa1385328cd1c69065829d233 (diff)
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virtual registry framework with initial printing hooks.
(This used to be commit a43d9788fa8823d678ee72470421b980165ec2b0)
Diffstat (limited to 'source3/rpc_server/srv_reg_nt.c')
-rw-r--r--source3/rpc_server/srv_reg_nt.c198
1 files changed, 123 insertions, 75 deletions
diff --git a/source3/rpc_server/srv_reg_nt.c b/source3/rpc_server/srv_reg_nt.c
index b5511cfceb..d5b2394b40 100644
--- a/source3/rpc_server/srv_reg_nt.c
+++ b/source3/rpc_server/srv_reg_nt.c
@@ -1,11 +1,11 @@
/*
* Unix SMB/CIFS implementation.
* RPC Pipe client / server routines
- * Copyright (C) Andrew Tridgell 1992-1997,
- * Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
- * Copyright (C) Paul Ashton 1997.
- * Copyright (C) Jeremy Allison 2001.
- * Copyright (C) Gerald Carter 2002.
+ * Copyright (C) Andrew Tridgell 1992-1997.
+ * Copyright (C) Luke Kenneth Casson Leighton 1996-1997.
+ * Copyright (C) Paul Ashton 1997.
+ * Copyright (C) Jeremy Allison 2001.
+ * Copyright (C) Gerald Carter 2002.
*
* 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
@@ -33,16 +33,16 @@
((unsigned int)IVAL((hnd)->data5,4)),((unsigned int)sys_getpid())
-static Registry_Key *regkeys_list;
+static REGISTRY_KEY *regkeys_list;
/******************************************************************
- free() function for Registry_Key
+ free() function for REGISTRY_KEY
*****************************************************************/
static void free_reg_info(void *ptr)
{
- Registry_Key *info = (Registry_Key*)ptr;
+ REGISTRY_KEY *info = (REGISTRY_KEY*)ptr;
DLIST_REMOVE(regkeys_list, info);
@@ -50,12 +50,12 @@ static void free_reg_info(void *ptr)
}
/******************************************************************
- Find a registry key handle and return a Registry_Key
+ Find a registry key handle and return a REGISTRY_KEY
*****************************************************************/
-static Registry_Key *find_regkey_index_by_hnd(pipes_struct *p, POLICY_HND *hnd)
+static REGISTRY_KEY *find_regkey_index_by_hnd(pipes_struct *p, POLICY_HND *hnd)
{
- Registry_Key *regkey = NULL;
+ REGISTRY_KEY *regkey = NULL;
if(!find_policy_by_hnd(p,hnd,(void **)&regkey)) {
DEBUG(2,("find_regkey_index_by_hnd: Registry Key not found: "));
@@ -69,34 +69,87 @@ static Registry_Key *find_regkey_index_by_hnd(pipes_struct *p, POLICY_HND *hnd)
/*******************************************************************
Function for open a new registry handle and creating a handle
Note that P should be valid & hnd should already have space
+
+ When we open a key, we store the full path to the key as
+ HK[LM|U]\<key>\<key>\...
*******************************************************************/
-static BOOL open_registry_key(pipes_struct *p, POLICY_HND *hnd, char *name,
- uint32 access_granted)
+static NTSTATUS open_registry_key(pipes_struct *p, POLICY_HND *hnd, REGISTRY_KEY *parent,
+ char *subkeyname, uint32 access_granted )
{
- Registry_Key *regkey = NULL;
+ REGISTRY_KEY *regkey = NULL;
+ pstring parent_keyname;
+ NTSTATUS result = NT_STATUS_OK;
+ int num_subkeys;
+ char *subkeys = NULL;
+
+ if ( parent ) {
+ pstrcpy( parent_keyname, parent->name );
+ pstrcat( parent_keyname, "\\" );
+ }
+ else
+ *parent_keyname = '\0';
+
- DEBUG(7,("open_registry_key: name = [%s]\n", name));
+ DEBUG(7,("open_registry_key: name = [%s][%s]\n", parent_keyname, subkeyname));
/* All registry keys **must** have a name of non-zero length */
- if (!name || !*name )
- return False;
+ if (!subkeyname || !*subkeyname )
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
- if ((regkey=(Registry_Key*)malloc(sizeof(Registry_Key))) == NULL)
- return False;
+ if ((regkey=(REGISTRY_KEY*)malloc(sizeof(REGISTRY_KEY))) == NULL)
+ return NT_STATUS_NO_MEMORY;
ZERO_STRUCTP( regkey );
DLIST_ADD( regkeys_list, regkey );
- /* copy the name and obtain a handle */
+ /* copy the name */
+
+ pstrcpy( regkey->name, parent_keyname );
+ pstrcat( regkey->name, subkeyname );
+
+ /* try to use en existing hook. Otherwise, try to lookup our own */
+
+ if ( parent && parent->hook )
+ regkey->hook = parent->hook;
+ else
+ regkey->hook = reghook_cache_find( regkey->name );
+
+ if ( regkey->hook ) {
+ DEBUG(10,("open_registry_key: Assigned REGISTRY_HOOK to [%s]\n",
+ regkey->name ));
+ }
+
+ /* check if the path really exists...num_subkeys should be >= 0 */
- fstrcpy( regkey->name, name );
+ num_subkeys = fetch_reg_keys( regkey, &subkeys );
+
+ /* if the subkey count failed, bail out */
+
+ if ( num_subkeys == -1 ) {
+ SAFE_FREE( regkey );
+
+ /* don't really know what to return here */
+
+ result = NT_STATUS_ACCESS_DENIED;
+ }
+ else {
+ /*
+ * This would previously return NT_STATUS_TOO_MANY_SECRETS
+ * that doesn't sound quite right to me --jerry
+ */
+
+ if ( !create_policy_hnd( p, hnd, free_reg_info, regkey ) )
+ result = NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
DEBUG(7,("open_registry_key: exit\n"));
- return create_policy_hnd( p, hnd, free_reg_info, regkey );
+ SAFE_FREE( subkeys );
+
+ return result;
}
/*******************************************************************
@@ -106,7 +159,7 @@ static BOOL open_registry_key(pipes_struct *p, POLICY_HND *hnd, char *name,
static BOOL close_registry_key(pipes_struct *p, POLICY_HND *hnd)
{
- Registry_Key *regkey = find_regkey_index_by_hnd(p, hnd);
+ REGISTRY_KEY *regkey = find_regkey_index_by_hnd(p, hnd);
if ( !regkey ) {
DEBUG(2,("close_registry_key: Invalid handle (%s:%u:%u)\n", OUR_HANDLE(hnd)));
@@ -122,7 +175,7 @@ static BOOL close_registry_key(pipes_struct *p, POLICY_HND *hnd)
retrieve information about the subkeys
*******************************************************************/
-static BOOL get_subkey_information( Registry_Key *key, uint32 *maxnum, uint32 *maxlen )
+static BOOL get_subkey_information( REGISTRY_KEY *key, uint32 *maxnum, uint32 *maxlen )
{
int num_subkeys, i;
uint32 max_len;
@@ -133,7 +186,11 @@ static BOOL get_subkey_information( Registry_Key *key, uint32 *maxnum, uint32 *m
if ( !key )
return False;
- num_subkeys = fetch_reg_keys( key->name, &subkeys );
+ /* first use any registry hook available.
+ Fall back to tdb if non available */
+
+ num_subkeys = fetch_reg_keys( key, &subkeys );
+
if ( num_subkeys == -1 )
return False;
@@ -161,28 +218,36 @@ static BOOL get_subkey_information( Registry_Key *key, uint32 *maxnum, uint32 *m
Samba tdb's (such as ntdrivers.tdb).
*******************************************************************/
-static BOOL get_value_information( Registry_Key *key, uint32 *maxnum,
+static BOOL get_value_information( REGISTRY_KEY *key, uint32 *maxnum,
uint32 *maxlen, uint32 *maxsize )
{
+ REGISTRY_VALUE *val = NULL;
+ uint32 i, sizemax, lenmax;
+ int num_values;
+
if ( !key )
return False;
- /* Hard coded key names first */
- /* nothing has valuies right now */
+ num_values = fetch_reg_values( key, &val );
+
+ if ( num_values == -1 )
+ return False;
+
+
+ lenmax = sizemax = 0;
- *maxnum = 0;
- *maxlen = 0;
- *maxsize = 0;
+ for ( i=0; i<num_values; i++ ) {
+ lenmax = MAX(lenmax, strlen(val[i].valuename)+1 );
+ sizemax = MAX(sizemax, val[i].size );
+ }
+
+ *maxnum = num_values;
+ *maxlen = lenmax;
+ *maxsize = sizemax;
+
+ SAFE_FREE( val );
+
return True;
-
-#if 0 /* JERRY */
- /*
- * FIXME!!! Need to add routines to look up values in other
- * databases --jerry
- */
-
- return False;
-#endif
}
@@ -208,10 +273,7 @@ NTSTATUS _reg_close(pipes_struct *p, REG_Q_CLOSE *q_u, REG_R_CLOSE *r_u)
NTSTATUS _reg_open_hklm(pipes_struct *p, REG_Q_OPEN_HKLM *q_u, REG_R_OPEN_HKLM *r_u)
{
- if (!open_registry_key(p, &r_u->pol, KEY_HKLM, 0x0))
- return NT_STATUS_OBJECT_NAME_NOT_FOUND;
-
- return NT_STATUS_OK;
+ return open_registry_key( p, &r_u->pol, NULL, KEY_HKLM, 0x0 );
}
/*******************************************************************
@@ -220,10 +282,7 @@ NTSTATUS _reg_open_hklm(pipes_struct *p, REG_Q_OPEN_HKLM *q_u, REG_R_OPEN_HKLM *
NTSTATUS _reg_open_hku(pipes_struct *p, REG_Q_OPEN_HKU *q_u, REG_R_OPEN_HKU *r_u)
{
- if (!open_registry_key(p, &r_u->pol, KEY_HKU, 0x0))
- return NT_STATUS_OBJECT_NAME_NOT_FOUND;
-
- return NT_STATUS_OK;
+ return open_registry_key( p, &r_u->pol, NULL, KEY_HKU, 0x0 );
}
/*******************************************************************
@@ -234,9 +293,8 @@ NTSTATUS _reg_open_entry(pipes_struct *p, REG_Q_OPEN_ENTRY *q_u, REG_R_OPEN_ENTR
{
POLICY_HND pol;
fstring name;
- pstring path;
- int num_subkeys;
- Registry_Key *key = find_regkey_index_by_hnd(p, &q_u->pol);
+ REGISTRY_KEY *key = find_regkey_index_by_hnd(p, &q_u->pol);
+ NTSTATUS result;
DEBUG(5,("reg_open_entry: Enter\n"));
@@ -244,26 +302,14 @@ NTSTATUS _reg_open_entry(pipes_struct *p, REG_Q_OPEN_ENTRY *q_u, REG_R_OPEN_ENTR
return NT_STATUS_INVALID_HANDLE;
rpcstr_pull(name,q_u->uni_name.buffer,sizeof(name),q_u->uni_name.uni_str_len*2,0);
-
- /* store the full path in the regkey_list */
- pstrcpy( path, key->name );
- pstrcat( path, "\\" );
- pstrcat( path, name );
-
- DEBUG(5,("reg_open_entry: %s\n", path));
-
- /* do a check on the name, here */
+ DEBUG(5,("reg_open_entry: Enter\n"));
- if ( (num_subkeys=fetch_reg_keys_count( path )) == -1 )
- return NT_STATUS_ACCESS_DENIED;
-
- if (!open_registry_key(p, &pol, path, 0x0))
- return NT_STATUS_TOO_MANY_SECRETS;
-
- init_reg_r_open_entry(r_u, &pol, NT_STATUS_OK);
+ result = open_registry_key( p, &pol, key, name, 0x0 );
+
+ init_reg_r_open_entry( r_u, &pol, result );
- DEBUG(5,("reg_open_entry: Exitn"));
+ DEBUG(5,("reg_open_entry: Exit\n"));
return r_u->status;
}
@@ -280,7 +326,7 @@ NTSTATUS _reg_info(pipes_struct *p, REG_Q_INFO *q_u, REG_R_INFO *r_u)
UNISTR2 *uni_key = NULL;
BUFFER2 *buf = NULL;
fstring name;
- Registry_Key *key = find_regkey_index_by_hnd( p, &q_u->pol );
+ REGISTRY_KEY *key = find_regkey_index_by_hnd( p, &q_u->pol );
DEBUG(5,("_reg_info: Enter\n"));
@@ -346,7 +392,7 @@ NTSTATUS _reg_info(pipes_struct *p, REG_Q_INFO *q_u, REG_R_INFO *r_u)
NTSTATUS _reg_query_key(pipes_struct *p, REG_Q_QUERY_KEY *q_u, REG_R_QUERY_KEY *r_u)
{
NTSTATUS status = NT_STATUS_OK;
- Registry_Key *regkey = find_regkey_index_by_hnd( p, &q_u->pol );
+ REGISTRY_KEY *regkey = find_regkey_index_by_hnd( p, &q_u->pol );
DEBUG(5,("_reg_query_key: Enter\n"));
@@ -358,6 +404,7 @@ NTSTATUS _reg_query_key(pipes_struct *p, REG_Q_QUERY_KEY *q_u, REG_R_QUERY_KEY *
if ( !get_value_information( regkey, &r_u->num_values, &r_u->max_valnamelen, &r_u->max_valbufsize ) )
return NT_STATUS_ACCESS_DENIED;
+
r_u->sec_desc = 0x00000078; /* size for key's sec_desc */
@@ -379,7 +426,7 @@ NTSTATUS _reg_query_key(pipes_struct *p, REG_Q_QUERY_KEY *q_u, REG_R_QUERY_KEY *
NTSTATUS _reg_unknown_1a(pipes_struct *p, REG_Q_UNKNOWN_1A *q_u, REG_R_UNKNOWN_1A *r_u)
{
NTSTATUS status = NT_STATUS_OK;
- Registry_Key *regkey = find_regkey_index_by_hnd( p, &q_u->pol );
+ REGISTRY_KEY *regkey = find_regkey_index_by_hnd( p, &q_u->pol );
DEBUG(5,("_reg_unknown_1a: Enter\n"));
@@ -401,8 +448,8 @@ NTSTATUS _reg_unknown_1a(pipes_struct *p, REG_Q_UNKNOWN_1A *q_u, REG_R_UNKNOWN_1
NTSTATUS _reg_enum_key(pipes_struct *p, REG_Q_ENUM_KEY *q_u, REG_R_ENUM_KEY *r_u)
{
NTSTATUS status = NT_STATUS_OK;
- Registry_Key *regkey = find_regkey_index_by_hnd( p, &q_u->pol );
- fstring subkey;
+ REGISTRY_KEY *regkey = find_regkey_index_by_hnd( p, &q_u->pol );
+ char *subkey;
DEBUG(5,("_reg_enum_key: Enter\n"));
@@ -412,9 +459,9 @@ NTSTATUS _reg_enum_key(pipes_struct *p, REG_Q_ENUM_KEY *q_u, REG_R_ENUM_KEY *r_u
DEBUG(8,("_reg_enum_key: enumerating key [%s]\n", regkey->name));
- if ( !fetch_reg_keys_specific( regkey->name, subkey, q_u->key_index ) )
+ if ( !fetch_reg_keys_specific( regkey, &subkey, q_u->key_index ) )
{
- status = werror_to_ntstatus( WERR_NO_MORE_ITEMS );
+ status = NT_STATUS_NO_MORE_ENTRIES;
goto done;
}
@@ -427,6 +474,7 @@ NTSTATUS _reg_enum_key(pipes_struct *p, REG_Q_ENUM_KEY *q_u, REG_R_ENUM_KEY *r_u
DEBUG(5,("_reg_enum_key: Exit\n"));
done:
+ SAFE_FREE( subkey );
return status;
}