ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Allow COM to start services containing COM servers.

This commit is contained in:
Mike McCormack 2005-01-05 13:22:10 +00:00 committed by Alexandre Julliard
parent 4e55343064
commit a246306870
1 changed files with 113 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

114
dlls/ole32/rpc.c
View File

@ -33,6 +33,7 @@
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winsvc.h"
#include "objbase.h"
#include "ole2.h"
#include "rpc.h"
@ -571,6 +572,116 @@ create_server(REFCLSID rclsid) {
return S_OK;
}
/*
* start_local_service() - start a service given its name and parameters
*/
static DWORD
start_local_service(LPCWSTR name, DWORD num, LPWSTR *params)
{
SC_HANDLE handle, hsvc;
DWORD r = ERROR_FUNCTION_FAILED;
TRACE("Starting service %s %ld params\n", debugstr_w(name), num);
handle = OpenSCManagerW(NULL, NULL, SC_MANAGER_ALL_ACCESS);
if (!handle)
return r;
hsvc = OpenServiceW(handle, name, SC_MANAGER_ALL_ACCESS);
if (hsvc)
{
if(StartServiceW(hsvc, num, (LPCWSTR*)params))
r = ERROR_SUCCESS;
else
r = GetLastError();
if (r==ERROR_SERVICE_ALREADY_RUNNING)
r = ERROR_SUCCESS;
CloseServiceHandle(hsvc);
}
CloseServiceHandle(handle);
TRACE("StartService returned error %ld (%s)\n", r, r?"ok":"failed");
return r;
}
/*
* create_local_service() - start a COM server in a service
*
* To start a Local Service, we read the AppID value under
* the class's CLSID key, then open the HKCR\\AppId key specified
* there and check for a LocalService value.
*
* Note: Local Services are not supported under Windows 9x
*/
static HRESULT
create_local_service(REFCLSID rclsid)
{
HRESULT hres = REGDB_E_READREGDB;
WCHAR buf[40], keyname[50];
static const WCHAR szClsId[] = { 'C','L','S','I','D','\\',0 };
static const WCHAR szAppId[] = { 'A','p','p','I','d',0 };
static const WCHAR szAppIdKey[] = { 'A','p','p','I','d','\\',0 };
static const WCHAR szLocalService[] = {
'L','o','c','a','l','S','e','r','v','i','c','e',0 };
static const WCHAR szServiceParams[] = {
'S','e','r','v','i','c','e','P','a','r','a','m','s',0};
HKEY hkey;
LONG r;
DWORD type, sz;
TRACE("Attempting to start Local service for %s\n", debugstr_guid(rclsid));
/* read the AppID value under the class's key */
strcpyW(keyname,szClsId);
StringFromGUID2(rclsid,&keyname[6],39);
r = RegOpenKeyExW(HKEY_CLASSES_ROOT, keyname, 0, KEY_READ, &hkey);
if (r!=ERROR_SUCCESS)
return hres;
sz = sizeof buf;
r = RegQueryValueExW(hkey, szAppId, NULL, &type, (LPBYTE)buf, &sz);
RegCloseKey(hkey);
if (r!=ERROR_SUCCESS || type!=REG_SZ)
return hres;
/* read the LocalService and ServiceParameters values from the AppID key */
strcpyW(keyname, szAppIdKey);
strcatW(keyname, buf);
r = RegOpenKeyExW(HKEY_CLASSES_ROOT, keyname, 0, KEY_READ, &hkey);
if (r!=ERROR_SUCCESS)
return hres;
sz = sizeof buf;
r = RegQueryValueExW(hkey, szLocalService, NULL, &type, (LPBYTE)buf, &sz);
if (r==ERROR_SUCCESS && type==REG_SZ)
{
DWORD num_args = 0;
LPWSTR args[1] = { NULL };
/*
* FIXME: I'm not really sure how to deal with the service parameters.
* I suspect that the string returned from RegQueryValueExW
* should be split into a number of arguments by spaces.
* It would make more sense if ServiceParams contained a
* REG_MULTI_SZ here, but it's a REG_SZ for the services
* that I'm interested in for the moment.
*/
r = RegQueryValueExW(hkey, szServiceParams, NULL, &type, NULL, &sz);
if (r == ERROR_SUCCESS && type == REG_SZ && sz)
{
args[0] = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sz);
num_args++;
RegQueryValueExW(hkey, szServiceParams, NULL, &type, (LPBYTE)args[0], &sz);
}
r = start_local_service(buf, num_args, args);
if (r==ERROR_SUCCESS)
hres = S_OK;
HeapFree(GetProcessHeap(),0,args[0]);
}
RegCloseKey(hkey);
return hres;
}
/* http://msdn.microsoft.com/library/en-us/dnmsj99/html/com0199.asp, Figure 4 */
HRESULT create_marshalled_proxy(REFCLSID rclsid, REFIID iid, LPVOID *ppv) {
HRESULT hres;
@ -604,7 +715,8 @@ HRESULT create_marshalled_proxy(REFCLSID rclsid, REFIID iid, LPVOID *ppv) {
);
if (hPipe == INVALID_HANDLE_VALUE) {
if (tries == 1) {
if ((hres = create_server(rclsid)))
if ( (hres = create_server(rclsid)) &&
(hres = create_local_service(rclsid)) )
return hres;
Sleep(1000);
} else {