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wine/dlls/rpcrt4/rpcrt4_main.c
Alexandre Julliard 20a1a203c6 Use a more portable scheme for storing the name of a critical 
section.
2005-09-09 10:19:44 +00:00

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/*
* RPCRT4
*
* Copyright 2000 Huw D M Davies for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* WINE RPC TODO's (and a few TODONT's)
*
* - Ove's decreasingly incomplete widl is an IDL compiler for wine. For widl
* to be wine's only IDL compiler, a fair bit of work remains to be done.
* until then we have used some midl-generated stuff. (What?)
* widl currently doesn't generate stub/proxy files required by wine's (O)RPC
* capabilities -- nor does it make those lovely format strings :(
* The MS MIDL compiler does some really esoteric stuff. Of course Ove has
* started with the less esoteric stuff. There are also lots of nice
* comments in there if you want to flex your bison and help build this monster.
*
* - RPC has a quite featureful error handling mechanism; basically none of this is
* implemented right now. We also have deficiencies on the compiler side, where
* wine's __TRY / __EXCEPT / __FINALLY macros are not even used for RpcTryExcept & co,
* due to syntactic differences! (we can fix it with widl by using __TRY)
*
* - There are several different memory allocation schemes for MSRPC.
* I don't even understand what they all are yet, much less have them
* properly implemented. Surely we are supposed to be doing something with
* the user-provided allocation/deallocation functions, but so far,
* I don't think we are doing this...
*
* - MSRPC provides impersonation capabilities which currently are not possible
* to implement in wine. At the very least we should implement the authorization
* API's & gracefully ignore the irrelevant stuff (to an extent we already do).
*
* - Some transports are not yet implemented. The existing transport implementations
* are incomplete and may be bug-infested.
*
* - The various transports that we do support ought to be supported in a more
* object-oriented manner, as in DCE's RPC implementation, instead of cluttering
* up the code with conditionals like we do now.
*
* - Data marshalling: So far, only the beginnings of a full implementation
* exist in wine. NDR protocol itself is documented, but the MS API's to
* convert data-types in memory into NDR are not. This is challenging work,
* and has supposedly been "at the top of Greg's queue" for several months now.
*
* - ORPC is RPC for OLE; once we have a working RPC framework, we can
* use it to implement out-of-process OLE client/server communications.
* ATM there is maybe a disconnect between the marshalling in the OLE DLLs
* and the marshalling going on here [TODO: well, is there or not?]
*
* - In-source API Documentation, at least for those functions which we have
* implemented, but preferably for everything we can document, would be nice,
* since some of this stuff is quite obscure.
*
* - Name services... [TODO: what about them]
*
* - Protocol Towers: Totally unimplemented.... I think.
*
* - Context Handle Rundown: whatever that is.
*
* - Nested RPC's: Totally unimplemented.
*
* - Statistics: we are supposed to be keeping various counters. we aren't.
*
* - Async RPC: Unimplemented.
*
* - XML/http RPC: Somewhere there's an XML fiend that wants to do this! Betcha
* we could use these as a transport for RPC's across computers without a
* permissions and/or licensing crisis.
*
* - The NT "ports" API, aka LPC. Greg claims this is on his radar. Might (or
* might not) enable users to get some kind of meaningful result out of
* NT-based native rpcrt4's. Commonly-used transport for self-to-self RPC's.
*
* - ...? More stuff I haven't thought of. If you think of more RPC todo's
* drop me an e-mail <gmturner007@ameritech.net> or send a patch to the
* wine-patches mailing list.
*/
#include "config.h"
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "windef.h"
#include "winerror.h"
#include "winbase.h"
#include "winuser.h"
#include "iptypes.h"
#include "iphlpapi.h"
#include "wine/unicode.h"
#include "rpc.h"
#include "ole2.h"
#include "rpcndr.h"
#include "rpcproxy.h"
#include "rpc_binding.h"
#include "rpcss_np_client.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(rpc);
static UUID uuid_nil;
static HANDLE master_mutex;
HANDLE RPCRT4_GetMasterMutex(void)
{
return master_mutex;
}
static CRITICAL_SECTION uuid_cs;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &uuid_cs,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": uuid_cs") }
};
static CRITICAL_SECTION uuid_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
/***********************************************************************
* DllMain
*
* PARAMS
* hinstDLL [I] handle to the DLL's instance
* fdwReason [I]
* lpvReserved [I] reserved, must be NULL
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
switch (fdwReason) {
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls(hinstDLL);
master_mutex = CreateMutexA( NULL, FALSE, RPCSS_MASTER_MUTEX_NAME);
if (!master_mutex)
ERR("Failed to create master mutex\n");
break;
case DLL_PROCESS_DETACH:
CloseHandle(master_mutex);
master_mutex = NULL;
break;
}
return TRUE;
}
/*************************************************************************
* RpcStringFreeA [RPCRT4.@]
*
* Frees a character string allocated by the RPC run-time library.
*
* RETURNS
*
* S_OK if successful.
*/
RPC_STATUS WINAPI RpcStringFreeA(unsigned char** String)
{
HeapFree( GetProcessHeap(), 0, *String);
return RPC_S_OK;
}
/*************************************************************************
* RpcStringFreeW [RPCRT4.@]
*
* Frees a character string allocated by the RPC run-time library.
*
* RETURNS
*
* S_OK if successful.
*/
RPC_STATUS WINAPI RpcStringFreeW(unsigned short** String)
{
HeapFree( GetProcessHeap(), 0, *String);
return RPC_S_OK;
}
/*************************************************************************
* RpcRaiseException [RPCRT4.@]
*
* Raises an exception.
*/
void WINAPI RpcRaiseException(RPC_STATUS exception)
{
/* FIXME: translate exception? */
RaiseException(exception, 0, 0, NULL);
}
/*************************************************************************
* UuidCompare [RPCRT4.@]
*
* PARAMS
* UUID *Uuid1 [I] Uuid to compare
* UUID *Uuid2 [I] Uuid to compare
* RPC_STATUS *Status [O] returns RPC_S_OK
*
* RETURNS
* -1 if Uuid1 is less than Uuid2
* 0 if Uuid1 and Uuid2 are equal
* 1 if Uuid1 is greater than Uuid2
*/
int WINAPI UuidCompare(UUID *Uuid1, UUID *Uuid2, RPC_STATUS *Status)
{
int i;
TRACE("(%s,%s)\n", debugstr_guid(Uuid1), debugstr_guid(Uuid2));
*Status = RPC_S_OK;
if (!Uuid1) Uuid1 = &uuid_nil;
if (!Uuid2) Uuid2 = &uuid_nil;
if (Uuid1 == Uuid2) return 0;
if (Uuid1->Data1 != Uuid2->Data1)
return Uuid1->Data1 < Uuid2->Data1 ? -1 : 1;
if (Uuid1->Data2 != Uuid2->Data2)
return Uuid1->Data2 < Uuid2->Data2 ? -1 : 1;
if (Uuid1->Data3 != Uuid2->Data3)
return Uuid1->Data3 < Uuid2->Data3 ? -1 : 1;
for (i = 0; i < 8; i++) {
if (Uuid1->Data4[i] < Uuid2->Data4[i])
return -1;
if (Uuid1->Data4[i] > Uuid2->Data4[i])
return 1;
}
return 0;
}
/*************************************************************************
* UuidEqual [RPCRT4.@]
*
* PARAMS
* UUID *Uuid1 [I] Uuid to compare
* UUID *Uuid2 [I] Uuid to compare
* RPC_STATUS *Status [O] returns RPC_S_OK
*
* RETURNS
* TRUE/FALSE
*/
int WINAPI UuidEqual(UUID *Uuid1, UUID *Uuid2, RPC_STATUS *Status)
{
TRACE("(%s,%s)\n", debugstr_guid(Uuid1), debugstr_guid(Uuid2));
return !UuidCompare(Uuid1, Uuid2, Status);
}
/*************************************************************************
* UuidIsNil [RPCRT4.@]
*
* PARAMS
* UUID *Uuid [I] Uuid to compare
* RPC_STATUS *Status [O] retuns RPC_S_OK
*
* RETURNS
* TRUE/FALSE
*/
int WINAPI UuidIsNil(UUID *Uuid, RPC_STATUS *Status)
{
TRACE("(%s)\n", debugstr_guid(Uuid));
if (!Uuid) return TRUE;
return !UuidCompare(Uuid, &uuid_nil, Status);
}
/*************************************************************************
* UuidCreateNil [RPCRT4.@]
*
* PARAMS
* UUID *Uuid [O] returns a nil UUID
*
* RETURNS
* RPC_S_OK
*/
RPC_STATUS WINAPI UuidCreateNil(UUID *Uuid)
{
*Uuid = uuid_nil;
return RPC_S_OK;
}
/* Number of 100ns ticks per clock tick. To be safe, assume that the clock
resolution is at least 1000 * 100 * (1/1000000) = 1/10 of a second */
#define TICKS_PER_CLOCK_TICK 1000
#define SECSPERDAY 86400
#define TICKSPERSEC 10000000
/* UUID system time starts at October 15, 1582 */
#define SECS_15_OCT_1582_TO_1601 ((17 + 30 + 31 + 365 * 18 + 5) * SECSPERDAY)
#define TICKS_15_OCT_1582_TO_1601 ((ULONGLONG)SECS_15_OCT_1582_TO_1601 * TICKSPERSEC)
static void RPC_UuidGetSystemTime(ULONGLONG *time)
{
FILETIME ft;
GetSystemTimeAsFileTime(&ft);
*time = ((ULONGLONG)ft.dwHighDateTime << 32) | ft.dwLowDateTime;
*time += TICKS_15_OCT_1582_TO_1601;
}
/* Assume that a hardware address is at least 6 bytes long */
#define ADDRESS_BYTES_NEEDED 6
static RPC_STATUS RPC_UuidGetNodeAddress(BYTE *address)
{
int i;
DWORD status = RPC_S_OK;
ULONG buflen = sizeof(IP_ADAPTER_INFO);
PIP_ADAPTER_INFO adapter = HeapAlloc(GetProcessHeap(), 0, buflen);
if (GetAdaptersInfo(adapter, &buflen) == ERROR_BUFFER_OVERFLOW) {
HeapFree(GetProcessHeap(), 0, adapter);
adapter = HeapAlloc(GetProcessHeap(), 0, buflen);
}
if (GetAdaptersInfo(adapter, &buflen) == NO_ERROR) {
for (i = 0; i < ADDRESS_BYTES_NEEDED; i++) {
address[i] = adapter->Address[i];
}
}
/* We can't get a hardware address, just use random numbers.
Set the multicast bit to prevent conflicts with real cards. */
else {
for (i = 0; i < ADDRESS_BYTES_NEEDED; i++) {
address[i] = rand() & 0xff;
}
address[0] |= 0x01;
status = RPC_S_UUID_LOCAL_ONLY;
}
HeapFree(GetProcessHeap(), 0, adapter);
return status;
}
/*************************************************************************
* UuidCreate [RPCRT4.@]
*
* Creates a 128bit UUID.
*
* RETURNS
*
* RPC_S_OK if successful.
* RPC_S_UUID_LOCAL_ONLY if UUID is only locally unique.
*
* FIXME: No compensation for changes across reloading
* this dll or across reboots (e.g. clock going
* backwards and swapped network cards). The RFC
* suggests using NVRAM for storing persistent
* values.
*/
RPC_STATUS WINAPI UuidCreate(UUID *Uuid)
{
static int initialised, count;
ULONGLONG time;
static ULONGLONG timelast;
static WORD sequence;
static DWORD status;
static BYTE address[MAX_ADAPTER_ADDRESS_LENGTH];
EnterCriticalSection(&uuid_cs);
if (!initialised) {
RPC_UuidGetSystemTime(&timelast);
count = TICKS_PER_CLOCK_TICK;
sequence = ((rand() & 0xff) << 8) + (rand() & 0xff);
sequence &= 0x1fff;
status = RPC_UuidGetNodeAddress(address);
initialised = 1;
}
/* Generate time element of the UUID. Account for going faster
than our clock as well as the clock going backwards. */
while (1) {
RPC_UuidGetSystemTime(&time);
if (time > timelast) {
count = 0;
break;
}
if (time < timelast) {
sequence = (sequence + 1) & 0x1fff;
count = 0;
break;
}
if (count < TICKS_PER_CLOCK_TICK) {
count++;
break;
}
}
timelast = time;
time += count;
/* Pack the information into the UUID structure. */
Uuid->Data1 = (unsigned long)(time & 0xffffffff);
Uuid->Data2 = (unsigned short)((time >> 32) & 0xffff);
Uuid->Data3 = (unsigned short)((time >> 48) & 0x0fff);
/* This is a version 1 UUID */
Uuid->Data3 |= (1 << 12);
Uuid->Data4[0] = sequence & 0xff;
Uuid->Data4[1] = (sequence & 0x3f00) >> 8;
Uuid->Data4[1] |= 0x80;
Uuid->Data4[2] = address[0];
Uuid->Data4[3] = address[1];
Uuid->Data4[4] = address[2];
Uuid->Data4[5] = address[3];
Uuid->Data4[6] = address[4];
Uuid->Data4[7] = address[5];
LeaveCriticalSection(&uuid_cs);
TRACE("%s\n", debugstr_guid(Uuid));
return status;
}
/*************************************************************************
* UuidCreateSequential [RPCRT4.@]
*
* Creates a 128bit UUID.
*
* RETURNS
*
* RPC_S_OK if successful.
* RPC_S_UUID_LOCAL_ONLY if UUID is only locally unique.
*
*/
RPC_STATUS WINAPI UuidCreateSequential(UUID *Uuid)
{
return UuidCreate(Uuid);
}
/*************************************************************************
* UuidHash [RPCRT4.@]
*
* Generates a hash value for a given UUID
*
* Code based on FreeDCE implementation
*
*/
unsigned short WINAPI UuidHash(UUID *uuid, RPC_STATUS *Status)
{
BYTE *data = (BYTE*)uuid;
short c0 = 0, c1 = 0, x, y;
unsigned int i;
if (!uuid) data = (BYTE*)(uuid = &uuid_nil);
TRACE("(%s)\n", debugstr_guid(uuid));
for (i=0; i<sizeof(UUID); i++) {
c0 += data[i];
c1 += c0;
}
x = -c1 % 255;
if (x < 0) x += 255;
y = (c1 - c0) % 255;
if (y < 0) y += 255;
*Status = RPC_S_OK;
return y*256 + x;
}
/*************************************************************************
* UuidToStringA [RPCRT4.@]
*
* Converts a UUID to a string.
*
* UUID format is 8 hex digits, followed by a hyphen then three groups of
* 4 hex digits each followed by a hyphen and then 12 hex digits
*
* RETURNS
*
* S_OK if successful.
* S_OUT_OF_MEMORY if unsucessful.
*/
RPC_STATUS WINAPI UuidToStringA(UUID *Uuid, unsigned char** StringUuid)
{
*StringUuid = HeapAlloc( GetProcessHeap(), 0, sizeof(char) * 37);
if(!(*StringUuid))
return RPC_S_OUT_OF_MEMORY;
if (!Uuid) Uuid = &uuid_nil;
sprintf( (char*)*StringUuid, "%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
Uuid->Data1, Uuid->Data2, Uuid->Data3,
Uuid->Data4[0], Uuid->Data4[1], Uuid->Data4[2],
Uuid->Data4[3], Uuid->Data4[4], Uuid->Data4[5],
Uuid->Data4[6], Uuid->Data4[7] );
return RPC_S_OK;
}
/*************************************************************************
* UuidToStringW [RPCRT4.@]
*
* Converts a UUID to a string.
*
* S_OK if successful.
* S_OUT_OF_MEMORY if unsucessful.
*/
RPC_STATUS WINAPI UuidToStringW(UUID *Uuid, unsigned short** StringUuid)
{
char buf[37];
if (!Uuid) Uuid = &uuid_nil;
sprintf(buf, "%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
Uuid->Data1, Uuid->Data2, Uuid->Data3,
Uuid->Data4[0], Uuid->Data4[1], Uuid->Data4[2],
Uuid->Data4[3], Uuid->Data4[4], Uuid->Data4[5],
Uuid->Data4[6], Uuid->Data4[7] );
*StringUuid = RPCRT4_strdupAtoW(buf);
if(!(*StringUuid))
return RPC_S_OUT_OF_MEMORY;
return RPC_S_OK;
}
static const BYTE hex2bin[] =
{
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x00 */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x10 */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x20 */
0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0, /* 0x30 */
0,10,11,12,13,14,15,0,0,0,0,0,0,0,0,0, /* 0x40 */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x50 */
0,10,11,12,13,14,15 /* 0x60 */
};
/***********************************************************************
* UuidFromStringA (RPCRT4.@)
*/
RPC_STATUS WINAPI UuidFromStringA(unsigned char* s, UUID *uuid)
{
int i;
if (!s) return UuidCreateNil( uuid );
if (strlen((char*)s) != 36) return RPC_S_INVALID_STRING_UUID;
if ((s[8]!='-') || (s[13]!='-') || (s[18]!='-') || (s[23]!='-'))
return RPC_S_INVALID_STRING_UUID;
for (i=0; i<36; i++)
{
if ((i == 8)||(i == 13)||(i == 18)||(i == 23)) continue;
if (s[i] > 'f' || (!hex2bin[s[i]] && s[i] != '0')) return RPC_S_INVALID_STRING_UUID;
}
/* in form XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX */
uuid->Data1 = (hex2bin[s[0]] << 28 | hex2bin[s[1]] << 24 | hex2bin[s[2]] << 20 | hex2bin[s[3]] << 16 |
hex2bin[s[4]] << 12 | hex2bin[s[5]] << 8 | hex2bin[s[6]] << 4 | hex2bin[s[7]]);
uuid->Data2 = hex2bin[s[9]] << 12 | hex2bin[s[10]] << 8 | hex2bin[s[11]] << 4 | hex2bin[s[12]];
uuid->Data3 = hex2bin[s[14]] << 12 | hex2bin[s[15]] << 8 | hex2bin[s[16]] << 4 | hex2bin[s[17]];
/* these are just sequential bytes */
uuid->Data4[0] = hex2bin[s[19]] << 4 | hex2bin[s[20]];
uuid->Data4[1] = hex2bin[s[21]] << 4 | hex2bin[s[22]];
uuid->Data4[2] = hex2bin[s[24]] << 4 | hex2bin[s[25]];
uuid->Data4[3] = hex2bin[s[26]] << 4 | hex2bin[s[27]];
uuid->Data4[4] = hex2bin[s[28]] << 4 | hex2bin[s[29]];
uuid->Data4[5] = hex2bin[s[30]] << 4 | hex2bin[s[31]];
uuid->Data4[6] = hex2bin[s[32]] << 4 | hex2bin[s[33]];
uuid->Data4[7] = hex2bin[s[34]] << 4 | hex2bin[s[35]];
return RPC_S_OK;
}
/***********************************************************************
* UuidFromStringW (RPCRT4.@)
*/
RPC_STATUS WINAPI UuidFromStringW(unsigned short* s, UUID *uuid)
{
int i;
if (!s) return UuidCreateNil( uuid );
if (strlenW(s) != 36) return RPC_S_INVALID_STRING_UUID;
if ((s[8]!='-') || (s[13]!='-') || (s[18]!='-') || (s[23]!='-'))
return RPC_S_INVALID_STRING_UUID;
for (i=0; i<36; i++)
{
if ((i == 8)||(i == 13)||(i == 18)||(i == 23)) continue;
if (s[i] > 'f' || (!hex2bin[s[i]] && s[i] != '0')) return RPC_S_INVALID_STRING_UUID;
}
/* in form XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX */
uuid->Data1 = (hex2bin[s[0]] << 28 | hex2bin[s[1]] << 24 | hex2bin[s[2]] << 20 | hex2bin[s[3]] << 16 |
hex2bin[s[4]] << 12 | hex2bin[s[5]] << 8 | hex2bin[s[6]] << 4 | hex2bin[s[7]]);
uuid->Data2 = hex2bin[s[9]] << 12 | hex2bin[s[10]] << 8 | hex2bin[s[11]] << 4 | hex2bin[s[12]];
uuid->Data3 = hex2bin[s[14]] << 12 | hex2bin[s[15]] << 8 | hex2bin[s[16]] << 4 | hex2bin[s[17]];
/* these are just sequential bytes */
uuid->Data4[0] = hex2bin[s[19]] << 4 | hex2bin[s[20]];
uuid->Data4[1] = hex2bin[s[21]] << 4 | hex2bin[s[22]];
uuid->Data4[2] = hex2bin[s[24]] << 4 | hex2bin[s[25]];
uuid->Data4[3] = hex2bin[s[26]] << 4 | hex2bin[s[27]];
uuid->Data4[4] = hex2bin[s[28]] << 4 | hex2bin[s[29]];
uuid->Data4[5] = hex2bin[s[30]] << 4 | hex2bin[s[31]];
uuid->Data4[6] = hex2bin[s[32]] << 4 | hex2bin[s[33]];
uuid->Data4[7] = hex2bin[s[34]] << 4 | hex2bin[s[35]];
return RPC_S_OK;
}
/***********************************************************************
* DllRegisterServer (RPCRT4.@)
*/
HRESULT WINAPI DllRegisterServer( void )
{
FIXME( "(): stub\n" );
return S_OK;
}
BOOL RPCRT4_StartRPCSS(void)
{
PROCESS_INFORMATION pi;
STARTUPINFOA si;
static char cmd[6];
BOOL rslt;
ZeroMemory(&pi, sizeof(PROCESS_INFORMATION));
ZeroMemory(&si, sizeof(STARTUPINFOA));
si.cb = sizeof(STARTUPINFOA);
/* apparently it's not OK to use a constant string below */
CopyMemory(cmd, "rpcss", 6);
/* FIXME: will this do the right thing when run as a test? */
rslt = CreateProcessA(
NULL, /* executable */
cmd, /* command line */
NULL, /* process security attributes */
NULL, /* primary thread security attributes */
FALSE, /* inherit handles */
0, /* creation flags */
NULL, /* use parent's environment */
NULL, /* use parent's current directory */
&si, /* STARTUPINFO pointer */
&pi /* PROCESS_INFORMATION */
);
if (rslt) {
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
}
return rslt;
}
/***********************************************************************
* RPCRT4_RPCSSOnDemandCall (internal)
*
* Attempts to send a message to the RPCSS process
* on the local machine, invoking it if necessary.
* For remote RPCSS calls, use.... your imagination.
*
* PARAMS
* msg [I] pointer to the RPCSS message
* vardata_payload [I] pointer vardata portion of the RPCSS message
* reply [O] pointer to reply structure
*
* RETURNS
* TRUE if successful
* FALSE otherwise
*/
BOOL RPCRT4_RPCSSOnDemandCall(PRPCSS_NP_MESSAGE msg, char *vardata_payload, PRPCSS_NP_REPLY reply)
{
HANDLE client_handle;
int i, j = 0;
TRACE("(msg == %p, vardata_payload == %p, reply == %p)\n", msg, vardata_payload, reply);
client_handle = RPCRT4_RpcssNPConnect();
while (!client_handle) {
/* start the RPCSS process */
if (!RPCRT4_StartRPCSS()) {
ERR("Unable to start RPCSS process.\n");
return FALSE;
}
/* wait for a connection (w/ periodic polling) */
for (i = 0; i < 60; i++) {
Sleep(200);
client_handle = RPCRT4_RpcssNPConnect();
if (client_handle) break;
}
/* we are only willing to try twice */
if (j++ >= 1) break;
}
if (!client_handle) {
/* no dice! */
ERR("Unable to connect to RPCSS process!\n");
SetLastError(RPC_E_SERVER_DIED_DNE);
return FALSE;
}
/* great, we're connected. now send the message */
if (!RPCRT4_SendReceiveNPMsg(client_handle, msg, vardata_payload, reply)) {
ERR("Something is amiss: RPC_SendReceive failed.\n");
return FALSE;
}
return TRUE;
}
#define MAX_RPC_ERROR_TEXT 256
/******************************************************************************
* DceErrorInqTextW (rpcrt4.@)
*
* Notes
* 1. On passing a NULL pointer the code does bomb out.
* 2. The size of the required buffer is not defined in the documentation.
* It appears to be 256.
* 3. The function is defined to return RPC_S_INVALID_ARG but I don't know
* of any value for which it does.
* 4. The MSDN documentation currently declares that the second argument is
* unsigned char *, even for the W version. I don't believe it.
*/
RPC_STATUS RPC_ENTRY DceErrorInqTextW (RPC_STATUS e, unsigned short *buffer)
{
DWORD count;
count = FormatMessageW (FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, e, 0, buffer, MAX_RPC_ERROR_TEXT, NULL);
if (!count)
{
count = FormatMessageW (FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, RPC_S_NOT_RPC_ERROR, 0, buffer, MAX_RPC_ERROR_TEXT, NULL);
if (!count)
{
ERR ("Failed to translate error");
return RPC_S_INVALID_ARG;
}
}
return RPC_S_OK;
}
/******************************************************************************
* DceErrorInqTextA (rpcrt4.@)
*/
RPC_STATUS RPC_ENTRY DceErrorInqTextA (RPC_STATUS e, unsigned char *buffer)
{
RPC_STATUS status;
WCHAR bufferW [MAX_RPC_ERROR_TEXT];
if ((status = DceErrorInqTextW (e, bufferW)) == RPC_S_OK)
{
if (!WideCharToMultiByte(CP_ACP, 0, bufferW, -1, (LPSTR)buffer, MAX_RPC_ERROR_TEXT,
NULL, NULL))
{
ERR ("Failed to translate error");
status = RPC_S_INVALID_ARG;
}
}
return status;
}
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