//--------------------------------------------------------------------------
ssize_t idaapi rpc_debmod_t::dbg_read_file(int fn, uint32 off, void *buf, size_t size)
{
bytevec_t req = prepare_rpc_packet(RPC_READ_FILE);
append_dd(req, fn);
append_dd(req, off);
append_dd(req, (uint32)size);
rpc_packet_t *rp = process_request(req);
if ( rp == NULL )
return -1;
const uchar *answer = (uchar *)(rp+1);
const uchar *end = answer + rp->length;
int32 rsize = extract_long(&answer, end);
if ( size != rsize )
qerrcode(extract_long(&answer, end));
if ( rsize > 0 )
{
if ( rsize > size )
error("rpc_read_file: protocol error");
extract_memory(&answer, end, buf, rsize);
}
qfree(rp);
return rsize;
}
//--------------------------------------------------------------------------
ssize_t rpc_debmod_t::dbg_read_memory(ea_t ea, void *buffer, size_t size)
{
qstring cmd = prepare_rpc_packet(RPC_READ_MEMORY);
append_ea(cmd, ea);
append_long(cmd, (uint32)size);
rpc_packet_t *rp = process_request(cmd);
if ( rp == NULL )
return -1;
const uchar *answer = (uchar *)(rp+1);
const uchar *end = answer + rp->length;
int result = extract_long(&answer, end);
extract_memory(&answer, end, buffer, size);
qfree(rp);
return result;
}
//--------------------------------------------------------------------------
ssize_t idaapi rpc_debmod_t::dbg_read_memory(ea_t ea, void *buffer, size_t size)
{
bytevec_t req = prepare_rpc_packet(RPC_READ_MEMORY);
append_ea64(req, ea);
append_dd(req, (uint32)size);
rpc_packet_t *rp = process_request(req);
if ( rp == NULL )
return -1;
const uchar *answer = (uchar *)(rp+1);
const uchar *end = answer + rp->length;
int result = extract_long(&answer, end);
if ( result > 0 )
extract_memory(&answer, end, buffer, result);
qfree(rp);
return result;
}
//---------------------------------------------------------- main thread ---
int idaapi win32_debmod_t::handle_ioctl(
int fn,
const void *buf,
size_t size,
void **poutbuf,
ssize_t *poutsize)
{
qnotused(size);
switch ( fn )
{
case WIN32_IOCTL_RDMSR:
QASSERT(30119, size == sizeof(uval_t));
{
uint64 value;
uval_t reg = *(uval_t *)buf;
int code = rdmsr(reg, &value);
if ( SUCCEEDED(code) )
{
*poutbuf = qalloc(sizeof(value));
if ( *poutbuf != NULL )
{
memcpy(*poutbuf, &value, sizeof(value));
*poutsize = sizeof(value);
}
}
return code;
}
case WIN32_IOCTL_WRMSR:
QASSERT(30120, size == sizeof(win32_wrmsr_t));
{
win32_wrmsr_t &msr = *(win32_wrmsr_t *)buf;
return wrmsr(msr.reg, msr.value);
}
#ifdef ENABLE_REMOTEPDB
case WIN32_IOCTL_STARTPDB:
QASSERT(30192, size >= sizeof(uint64));
{
qstring errmsg;
if ( pdbthread.is_running() )
{
errmsg = "Only one PDB conversion at a time is supported!";
PDBERROR:
*poutsize = errmsg.size();
*poutbuf = errmsg.extract();
return -2;
}
const uchar *ptr = (const uchar *)buf;
const uchar *end = ptr + size;
compiler_info_t cc;
extract_memory(&ptr, end, &cc, sizeof(cc));
ea_t base_ea = extract_ea64(&ptr, end);
const char *pdbfile = extract_str(&ptr, end);
const char *dpath = extract_str(&ptr, end);
const char *spath = extract_str(&ptr, end);
if ( !pdbthread.do_convert(cc, base_ea, pdbfile, dpath, spath) )
{
errmsg = "Error starting PDB conversion!";
goto PDBERROR;
}
return 0x1234; // dummy ID
}
case WIN32_IOCTL_DONEPDB:
{
qstring errmsg;
if ( !pdbthread.is_running() )
{
errmsg = "PDB conversion is not started!";
PDBERROR2:
*poutsize = errmsg.size();
*poutbuf = errmsg.extract();
return -2;
}
const uchar *ptr = (const uchar *)buf;
const uchar *end = ptr + size;
uint32 id = extract_long(&ptr, end);
if ( id != 0x1234 )
{
errmsg = "Bad conversion ID";
goto PDBERROR2;
}
if ( pdbthread.is_waiting_req() )
{
// we've got a read request, handle it now
handle_pdb_request();
pdbthread.post_req_done();
}
if ( pdbthread.is_done() )
{
// done
pdbthread.finalize();
*poutsize = pdbthread.tilfname.size();
*poutbuf = pdbthread.tilfname.extract();
return 2;
}
else
{
// not done yet
return 1;
}
}
case WIN32_IOCTL_RMFILE:
{
qstring errmsg;
const uchar *ptr = (const uchar *)buf;
const uchar *end = ptr + size;
const char *filename = extract_str(&ptr, end);
if ( filename == NULL )
{
errmsg = "Filename missing";
PDBERROR3:
*poutsize = errmsg.size();
*poutbuf = errmsg.extract();
return -2;
}
if ( unlink(filename) != 0 )
{
errmsg = "Error deleting file";
goto PDBERROR3;
}
return 1;
}
#endif // REMOTEPDB
default:
break;
}
return 0;
}
//--------------------------------------------------------------------------
int idaapi rpc_debmod_t::dbg_update_bpts(update_bpt_info_t *ubpts, int nadd, int ndel)
{
int skipped = 0;
update_bpt_info_t *b;
update_bpt_info_t *bend = ubpts + nadd;
for ( b=ubpts; b != bend; b++ )
if ( b->code != BPT_OK )
skipped++;
if ( skipped == nadd && ndel == 0 )
return 0; // no bpts to update
bytevec_t req = prepare_rpc_packet(RPC_UPDATE_BPTS);
append_dd(req, nadd-skipped);
append_dd(req, ndel);
ea_t ea = 0;
for ( b=ubpts; b != bend; b++ )
{
if ( b->code == BPT_OK )
{
append_ea64(req, b->ea-ea); ea = b->ea;
append_dd(req, b->size);
append_dd(req, b->type);
}
}
ea = 0;
bend += ndel;
for ( ; b != bend; b++ )
{
append_ea64(req, b->ea-ea); ea = b->ea;
append_db(req, b->orgbytes.size());
append_memory(req, b->orgbytes.begin(), b->orgbytes.size());
append_dd(req, b->type);
}
rpc_packet_t *rp = process_request(req);
if ( rp == NULL )
return -1;
const uchar *ptr = (uchar *)(rp+1);
const uchar *end = ptr + rp->length;
int ret = extract_long(&ptr, end);
bend = ubpts + nadd;
for ( b=ubpts; b != bend; b++ )
{
if ( b->code == BPT_OK )
{
b->code = extract_byte(&ptr, end);
if ( b->code == BPT_OK && b->type == BPT_SOFT )
{
uchar len = extract_byte(&ptr, end);
b->orgbytes.resize(len);
extract_memory(&ptr, end, b->orgbytes.begin(), len);
}
}
}
bend += ndel;
for ( ; b != bend; b++ )
b->code = extract_byte(&ptr, end);
return ret;
}
//-------------------------------------------------------------------------
bool varser_t::deserialize(VARIANT &var, const uchar **in, const uchar * const end)
{
var.vt = unpack_dw(in, end);
if ( (var.vt & VT_BYREF) == VT_BYREF
|| (var.vt & VT_ARRAY) == VT_ARRAY )
{
return false;
}
bool ok = false;
switch ( var.vt )
{
case VT_EMPTY: // = 0x0000,
case VT_NULL: // = 0x0001,
break;
case VT_I2: // = 0x0002,
case VT_UI2: // = 0x0012,
var.uiVal = unpack_dw(in, end);
ok = true;
break;
case VT_I4: // = 0x0003,
case VT_UI4: // = 0x0013,
var.ulVal = unpack_dd(in, end);
ok = true;
break;
case VT_R4: // = 0x0004,
{
uint32 res = unpack_dd(in, end);
var.fltVal = *(FLOAT*)&res;
ok = true;
}
break;
case VT_R8: // = 0x0005,
{
uint64 res = unpack_dq(in, end);
var.dblVal = *(DOUBLE*)&res;
ok = true;
}
break;
case VT_CY: // = 0x0006,
case VT_DATE: // = 0x0007,
break;
case VT_BSTR: // = 0x0008,
{
uint32 bcnt = unpack_dd(in, end);
uint8 *raw = (uint8 *) qalloc(bcnt + 4 + 2); // +2 for terminating null character.
if ( raw != NULL )
{
* (uint32*) raw = bcnt;
raw += 4;
extract_memory(in, end, raw, bcnt);
raw[bcnt] = '\0';
raw[bcnt+1] = '\0';
var.bstrVal = raw;
ok = true;
}
}
break;
case VT_LPSTR: // = 0x001E,
case VT_LPWSTR: // = 0x001F,
{
char *tmp = qstrdup(unpack_str(in, end));
var.byref = tmp;
ok = true;
}
break;
case VT_DISPATCH: // = 0x0009,
case VT_ERROR: // = 0x000A,
case VT_BOOL: // = 0x000B,
case VT_VARIANT: // = 0x000C,
case VT_UNKNOWN: // = 0x000D,
case VT_DECIMAL: // = 0x000E,
case VT_I1: // = 0x0010,
case VT_UI1: // = 0x0011,
var.bVal = unpack_db(in, end);
ok = true;
break;
case VT_I8: // = 0x0014,
case VT_UI8: // = 0x0015,
var.ullVal = unpack_dq(in, end);
ok = true;
break;
case VT_INT: // = 0x0016,
case VT_UINT: // = 0x0017,
case VT_HRESULT: // = 0x0019,
var.uintVal = unpack_dd(in, end);
ok = true;
break;
case VT_VOID: // = 0x0018,
case VT_PTR: // = 0x001A,
case VT_SAFEARRAY: // = 0x001B,
case VT_CARRAY: // = 0x001C,
case VT_USERDEFINED: // = 0x001D,
case VT_RECORD: // = 0x0024,
case VT_INT_PTR: // = 0x0025,
case VT_UINT_PTR: // = 0x0026,
break;
default: break;
}
return ok;
}
