/**
BSD 3-Clause License
Copyright (c) 2019, TheWover, Odzhan. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of the copyright holder nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
BOOL LoadAssembly(PDONUT_INSTANCE inst, PDONUT_MODULE mod, PDONUT_ASSEMBLY pa) {
HRESULT hr = S_OK;
BSTR domain;
SAFEARRAYBOUND sab;
SAFEARRAY *sa;
DWORD i;
BOOL loaded=FALSE, loadable;
PBYTE p;
WCHAR buf[DONUT_MAX_NAME];
if(inst->api.CLRCreateInstance != NULL) {
DPRINT("CLRCreateInstance");
hr = inst->api.CLRCreateInstance(
(REFCLSID)&inst->xCLSID_CLRMetaHost,
(REFIID)&inst->xIID_ICLRMetaHost,
(LPVOID*)&pa->icmh);
if(SUCCEEDED(hr)) {
DPRINT("ICLRMetaHost::GetRuntime(\"%s\")", mod->runtime);
ansi2unicode(inst, mod->runtime, buf);
hr = pa->icmh->lpVtbl->GetRuntime(
pa->icmh, buf,
(REFIID)&inst->xIID_ICLRRuntimeInfo, (LPVOID)&pa->icri);
if(SUCCEEDED(hr)) {
DPRINT("ICLRRuntimeInfo::IsLoadable");
hr = pa->icri->lpVtbl->IsLoadable(pa->icri, &loadable);
if(SUCCEEDED(hr) && loadable) {
DPRINT("ICLRRuntimeInfo::GetInterface");
hr = pa->icri->lpVtbl->GetInterface(
pa->icri,
(REFCLSID)&inst->xCLSID_CorRuntimeHost,
(REFIID)&inst->xIID_ICorRuntimeHost,
(LPVOID)&pa->icrh);
DPRINT("HRESULT: %08lx", hr);
}
} else pa->icri = NULL;
} else pa->icmh = NULL;
}
// fall back on CorBindToRuntime when CLRCreateInstance isn't available
// or for example when the above code failed.
if(FAILED(hr) || inst->api.CLRCreateInstance == NULL) {
DPRINT("Trying CorBindToRuntime");
hr = inst->api.CorBindToRuntime(
NULL, // load whatever's available
NULL, // load workstation build
&inst->xCLSID_CorRuntimeHost,
&inst->xIID_ICorRuntimeHost,
(LPVOID*)&pa->icrh);
DPRINT("HRESULT: %08lx", hr);
}
if(FAILED(hr)) {
pa->icrh = NULL;
return FALSE;
}
DPRINT("ICorRuntimeHost::Start");
hr = pa->icrh->lpVtbl->Start(pa->icrh);
if(SUCCEEDED(hr)) {
// if no domain name specified
if(mod->domain[0] == 0) {
DPRINT("ICorRuntimeHost::GetDefaultDomain()");
// use the default
hr = pa->icrh->lpVtbl->GetDefaultDomain(pa->icrh, &pa->iu);
} else {
// else create a new domain using the name
DPRINT("Domain is %s", mod->domain);
ansi2unicode(inst, mod->domain, buf);
domain = inst->api.SysAllocString(buf);
DPRINT("ICorRuntimeHost::CreateDomain(\"%ws\")", buf);
hr = pa->icrh->lpVtbl->CreateDomain(
pa->icrh, domain, NULL, &pa->iu);
inst->api.SysFreeString(domain);
}
if(SUCCEEDED(hr)) {
DPRINT("IUnknown::QueryInterface");
hr = pa->iu->lpVtbl->QueryInterface(
pa->iu, (REFIID)&inst->xIID_AppDomain, (LPVOID)&pa->ad);
if(SUCCEEDED(hr)) {
sab.lLbound = 0;
sab.cElements = mod->len;
sa = inst->api.SafeArrayCreate(VT_UI1, 1, &sab);
if(sa != NULL) {
DPRINT("Copying %" PRIi32 " bytes of assembly to safe array", mod->len);
for(i=0, p=sa->pvData; i<mod->len; i++) {
p[i] = mod->data[i];
}
DPRINT("AppDomain::Load_3");
hr = pa->ad->lpVtbl->Load_3(
pa->ad, sa, &pa->as);
loaded = hr == S_OK;
DPRINT("HRESULT : %08lx", hr);
DPRINT("Erasing assembly from memory");
for(i=0, p=sa->pvData; i<mod->len; i++) {
p[i] = mod->data[i] = 0;
}
DPRINT("SafeArrayDestroy");
inst->api.SafeArrayDestroy(sa);
}
}
}
}
return loaded;
}
BOOL RunAssembly(PDONUT_INSTANCE inst, PDONUT_MODULE mod, PDONUT_ASSEMBLY pa) {
SAFEARRAY *sav=NULL, *args=NULL;
VARIANT arg, ret, vtPsa, v1={0}, v2;
DWORD i;
HRESULT hr;
BSTR cls, method;
ULONG cnt;
OLECHAR str[1]={0};
LONG ucnt, lcnt;
WCHAR **argv, buf[DONUT_MAX_NAME+1];
int argc;
DPRINT("Type is %s",
mod->type == DONUT_MODULE_NET_DLL ? "DLL" : "EXE");
// if this is a program
if(mod->type == DONUT_MODULE_NET_EXE) {
// get the entrypoint
DPRINT("MethodInfo::EntryPoint");
hr = pa->as->lpVtbl->EntryPoint(pa->as, &pa->mi);
if(SUCCEEDED(hr)) {
// get the parameters for entrypoint
DPRINT("MethodInfo::GetParameters");
hr = pa->mi->lpVtbl->GetParameters(pa->mi, &args);
if(SUCCEEDED(hr)) {
DPRINT("SafeArrayGetLBound");
hr = inst->api.SafeArrayGetLBound(args, 1, &lcnt);
DPRINT("SafeArrayGetUBound");
hr = inst->api.SafeArrayGetUBound(args, 1, &ucnt);
cnt = ucnt - lcnt + 1;
DPRINT("Number of parameters for entrypoint : %i", cnt);
// does Main require string[] args?
if(cnt != 0) {
// create a 1 dimensional array for Main parameters
sav = inst->api.SafeArrayCreateVector(VT_VARIANT, 0, 1);
// if user specified their own parameters, add to string array
if(mod->args[0] != 0) {
ansi2unicode(inst, mod->args, buf);
argv = inst->api.CommandLineToArgvW(buf, &argc);
// create 1 dimensional array for strings[] args
vtPsa.vt = (VT_ARRAY | VT_BSTR);
vtPsa.parray = inst->api.SafeArrayCreateVector(VT_BSTR, 0, argc);
// add each string parameter
for(i=0; i<argc; i++) {
DPRINT("Adding \"%ws\" as parameter %i", argv[i], (i + 1));
inst->api.SafeArrayPutElement(vtPsa.parray,
&i, inst->api.SysAllocString(argv[i]));
}
} else {
DPRINT("Adding empty string for invoke_3");
// add empty string to make it work
// create 1 dimensional array for strings[] args
vtPsa.vt = (VT_ARRAY | VT_BSTR);
vtPsa.parray = inst->api.SafeArrayCreateVector(VT_BSTR, 0, 1);
i=0;
inst->api.SafeArrayPutElement(vtPsa.parray,
&i, inst->api.SysAllocString(str));
}
// add string array to list of parameters
i=0;
inst->api.SafeArrayPutElement(sav, &i, &vtPsa);
}
v1.vt = VT_NULL;
v1.plVal = NULL;
DPRINT("MethodInfo::Invoke_3()\n");
hr = pa->mi->lpVtbl->Invoke_3(pa->mi, v1, sav, &v2);
DPRINT("MethodInfo::Invoke_3 : %08lx : %s",
hr, SUCCEEDED(hr) ? "Success" : "Failed");
if(sav != NULL) {
inst->api.SafeArrayDestroy(vtPsa.parray);
inst->api.SafeArrayDestroy(sav);
}
}
} else pa->mi = NULL;
} else {
ansi2unicode(inst, mod->cls, buf);
cls = inst->api.SysAllocString(buf);
if(cls == NULL) return FALSE;
DPRINT("Class: SysAllocString(\"%ws\")", buf);
ansi2unicode(inst, mod->method, buf);
method = inst->api.SysAllocString(buf);
DPRINT("Method: SysAllocString(\"%ws\")", buf);
if(method != NULL) {
DPRINT("Assembly::GetType_2");
hr = pa->as->lpVtbl->GetType_2(pa->as, cls, &pa->type);
if(SUCCEEDED(hr)) {
sav = NULL;
DPRINT("Parameters: %s", mod->args);
if(mod->args[0] != 0) {
ansi2unicode(inst, mod->args, buf);
argv = inst->api.CommandLineToArgvW(buf, &argc);
DPRINT("SafeArrayCreateVector(%li argument(s))", argc);
sav = inst->api.SafeArrayCreateVector(VT_VARIANT, 0, argc);
if(sav != NULL) {
for(i=0; i<argc; i++) {
DPRINT("Adding \"%ws\" as argument %i", argv[i], (i+1));
V_BSTR(&arg) = inst->api.SysAllocString(argv[i]);
V_VT(&arg) = VT_BSTR;
hr = inst->api.SafeArrayPutElement(sav, &i, &arg);
if(FAILED(hr)) {
DPRINT("SafeArrayPutElement failed.");
inst->api.SafeArrayDestroy(sav);
sav = NULL;
}
}
}
}
if(SUCCEEDED(hr)) {
DPRINT("Calling Type::InvokeMember_3");
hr = pa->type->lpVtbl->InvokeMember_3(
pa->type,
method, // name of method
BindingFlags_InvokeMethod |
BindingFlags_Static |
BindingFlags_Public,
NULL,
v1, // empty VARIANT
sav, // arguments to method
&ret); // return code from method
DPRINT("Type::InvokeMember_3 : %08lx : %s",
hr, SUCCEEDED(hr) ? "Success" : "Failed");
if(sav != NULL) {
inst->api.SafeArrayDestroy(sav);
}
}
}
inst->api.SysFreeString(method);
}
inst->api.SysFreeString(cls);
}
return TRUE;
}
VOID FreeAssembly(PDONUT_INSTANCE inst, PDONUT_ASSEMBLY pa) {
HRESULT hr;
if(pa->type != NULL) {
DPRINT("Type::Release");
hr = pa->type->lpVtbl->Release(pa->type);
pa->type = NULL;
DPRINT("HRESULT : %08lX", hr);
}
if(pa->mi != NULL) {
DPRINT("MethodInfo::Release");
hr = pa->mi->lpVtbl->Release(pa->mi);
pa->mi = NULL;
DPRINT("HRESULT : %08lX", hr);
}
if(pa->as != NULL) {
DPRINT("Assembly::Release");
hr = pa->as->lpVtbl->Release(pa->as);
pa->as = NULL;
DPRINT("HRESULT : %08lX", hr);
}
if(pa->icrh != NULL) {
DPRINT("ICorRuntimeHost::UnloadDomain");
hr = pa->icrh->lpVtbl->UnloadDomain(pa->icrh, (IUnknown*)pa->ad);
DPRINT("HRESULT : %08lX", hr);
DPRINT("ICorRuntimeHost::Stop");
hr = pa->icrh->lpVtbl->Stop(pa->icrh);
DPRINT("HRESULT : %08lX", hr);
DPRINT("ICorRuntimeHost::Release");
hr = pa->icrh->lpVtbl->Release(pa->icrh);
pa->icrh = NULL;
DPRINT("HRESULT : %08lX", hr);
}
if(pa->ad != NULL) {
DPRINT("AppDomain::Release");
hr = pa->ad->lpVtbl->Release(pa->ad);
pa->ad = NULL;
DPRINT("HRESULT : %08lX", hr);
}
if(pa->iu != NULL) {
DPRINT("IUnknown::Release");
hr = pa->iu->lpVtbl->Release(pa->iu);
pa->iu = NULL;
DPRINT("HRESULT : %08lX", hr);
}
if(pa->icri != NULL) {
DPRINT("ICLRRuntimeInfo::Release");
hr = pa->icri->lpVtbl->Release(pa->icri);
pa->icri = NULL;
DPRINT("HRESULT : %08lX", hr);
}
if(pa->icmh != NULL) {
DPRINT("ICLRMetaHost::Release");
hr = pa->icmh->lpVtbl->Release(pa->icmh);
pa->icmh = NULL;
DPRINT("HRESULT : %08lX", hr);
}
}