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ole32: Don't use in-memory structure layouts to build the wire data, define wire-specific structures instead.

This commit is contained in:
Alexandre Julliard 2010-04-06 18:07:59 +02:00
parent d04c2ccb27
commit a8ffa9bace
1 changed files with 39 additions and 17 deletions
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56
dlls/ole32/rpc.c
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@ -144,6 +144,28 @@ typedef struct
/* [size_is((size+7)&~7)] */ unsigned char data[1]; /* [size_is((size+7)&~7)] */ unsigned char data[1];
} WIRE_ORPC_EXTENT; } WIRE_ORPC_EXTENT;
typedef struct
{
ULONG size;
ULONG reserved;
unsigned char extent[1];
} WIRE_ORPC_EXTENT_ARRAY;
typedef struct
{
ULONG version;
ULONG flags;
ULONG reserved1;
GUID cid;
unsigned char extensions[1];
} WIRE_ORPCTHIS;
typedef struct
{
ULONG flags;
unsigned char extensions[1];
} WIRE_ORPCTHAT;
struct channel_hook_entry struct channel_hook_entry
{ {
struct list entry; struct list entry;
@ -503,10 +525,10 @@ static HRESULT WINAPI ServerRpcChannelBuffer_GetBuffer(LPRPCCHANNELBUFFER iface,
extensions_size = ChannelHooks_ServerGetSize(&message_state->channel_hook_info, extensions_size = ChannelHooks_ServerGetSize(&message_state->channel_hook_info,
&channel_hook_data, &channel_hook_count, &extension_count); &channel_hook_data, &channel_hook_count, &extension_count);
msg->BufferLength += FIELD_OFFSET(ORPCTHAT, extensions) + 4; msg->BufferLength += FIELD_OFFSET(WIRE_ORPCTHAT, extensions) + sizeof(DWORD);
if (extensions_size) if (extensions_size)
{ {
msg->BufferLength += FIELD_OFFSET(ORPC_EXTENT_ARRAY, extent) + 2*sizeof(DWORD) + extensions_size; msg->BufferLength += FIELD_OFFSET(WIRE_ORPC_EXTENT_ARRAY, extent[2*sizeof(DWORD) + extensions_size]);
if (extension_count & 1) if (extension_count & 1)
msg->BufferLength += FIELD_OFFSET(WIRE_ORPC_EXTENT, data[0]); msg->BufferLength += FIELD_OFFSET(WIRE_ORPC_EXTENT, data[0]);
} }
@ -523,7 +545,7 @@ static HRESULT WINAPI ServerRpcChannelBuffer_GetBuffer(LPRPCCHANNELBUFFER iface,
status = I_RpcGetBuffer(msg); status = I_RpcGetBuffer(msg);
orpcthat = msg->Buffer; orpcthat = msg->Buffer;
msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(ORPCTHAT, extensions); msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(WIRE_ORPCTHAT, extensions);
orpcthat->flags = ORPCF_NULL /* FIXME? */; orpcthat->flags = ORPCF_NULL /* FIXME? */;
@ -533,10 +555,10 @@ static HRESULT WINAPI ServerRpcChannelBuffer_GetBuffer(LPRPCCHANNELBUFFER iface,
if (extensions_size) if (extensions_size)
{ {
ORPC_EXTENT_ARRAY *orpc_extent_array = msg->Buffer; WIRE_ORPC_EXTENT_ARRAY *orpc_extent_array = msg->Buffer;
orpc_extent_array->size = extension_count; orpc_extent_array->size = extension_count;
orpc_extent_array->reserved = 0; orpc_extent_array->reserved = 0;
msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(ORPC_EXTENT_ARRAY, extent); msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(WIRE_ORPC_EXTENT_ARRAY, extent);
/* NDR representation of orpc_extent_array->extent */ /* NDR representation of orpc_extent_array->extent */
*(DWORD *)msg->Buffer = 1; *(DWORD *)msg->Buffer = 1;
msg->Buffer = (char *)msg->Buffer + sizeof(DWORD); msg->Buffer = (char *)msg->Buffer + sizeof(DWORD);
@ -645,10 +667,10 @@ static HRESULT WINAPI ClientRpcChannelBuffer_GetBuffer(LPRPCCHANNELBUFFER iface,
extensions_size = ChannelHooks_ClientGetSize(&message_state->channel_hook_info, extensions_size = ChannelHooks_ClientGetSize(&message_state->channel_hook_info,
&channel_hook_data, &channel_hook_count, &extension_count); &channel_hook_data, &channel_hook_count, &extension_count);
msg->BufferLength += FIELD_OFFSET(ORPCTHIS, extensions) + 4; msg->BufferLength += FIELD_OFFSET(WIRE_ORPCTHIS, extensions) + sizeof(DWORD);
if (extensions_size) if (extensions_size)
{ {
msg->BufferLength += FIELD_OFFSET(ORPC_EXTENT_ARRAY, extent) + 2*sizeof(DWORD) + extensions_size; msg->BufferLength += FIELD_OFFSET(WIRE_ORPC_EXTENT_ARRAY, extent[2*sizeof(DWORD) + extensions_size]);
if (extension_count & 1) if (extension_count & 1)
msg->BufferLength += FIELD_OFFSET(WIRE_ORPC_EXTENT, data[0]); msg->BufferLength += FIELD_OFFSET(WIRE_ORPC_EXTENT, data[0]);
} }
@ -703,7 +725,7 @@ static HRESULT WINAPI ClientRpcChannelBuffer_GetBuffer(LPRPCCHANNELBUFFER iface,
if (status == RPC_S_OK) if (status == RPC_S_OK)
{ {
orpcthis = msg->Buffer; orpcthis = msg->Buffer;
msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(ORPCTHIS, extensions); msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(WIRE_ORPCTHIS, extensions);
orpcthis->version.MajorVersion = COM_MAJOR_VERSION; orpcthis->version.MajorVersion = COM_MAJOR_VERSION;
orpcthis->version.MinorVersion = COM_MINOR_VERSION; orpcthis->version.MinorVersion = COM_MINOR_VERSION;
@ -720,7 +742,7 @@ static HRESULT WINAPI ClientRpcChannelBuffer_GetBuffer(LPRPCCHANNELBUFFER iface,
ORPC_EXTENT_ARRAY *orpc_extent_array = msg->Buffer; ORPC_EXTENT_ARRAY *orpc_extent_array = msg->Buffer;
orpc_extent_array->size = extension_count; orpc_extent_array->size = extension_count;
orpc_extent_array->reserved = 0; orpc_extent_array->reserved = 0;
msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(ORPC_EXTENT_ARRAY, extent); msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(WIRE_ORPC_EXTENT_ARRAY, extent);
/* NDR representation of orpc_extent_array->extent */ /* NDR representation of orpc_extent_array->extent */
*(DWORD *)msg->Buffer = 1; *(DWORD *)msg->Buffer = 1;
msg->Buffer = (char *)msg->Buffer + sizeof(DWORD); msg->Buffer = (char *)msg->Buffer + sizeof(DWORD);
@ -1152,8 +1174,8 @@ static HRESULT unmarshal_ORPC_EXTENT_ARRAY(RPC_MESSAGE *msg, const char *end,
DWORD pointer_id; DWORD pointer_id;
DWORD i; DWORD i;
memcpy(extensions, msg->Buffer, FIELD_OFFSET(ORPC_EXTENT_ARRAY, extent)); memcpy(extensions, msg->Buffer, FIELD_OFFSET(WIRE_ORPC_EXTENT_ARRAY, extent));
msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(ORPC_EXTENT_ARRAY, extent); msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(WIRE_ORPC_EXTENT_ARRAY, extent);
if ((const char *)msg->Buffer + 2 * sizeof(DWORD) > end) if ((const char *)msg->Buffer + 2 * sizeof(DWORD) > end)
return RPC_E_INVALID_HEADER; return RPC_E_INVALID_HEADER;
@ -1205,14 +1227,14 @@ static HRESULT unmarshal_ORPCTHIS(RPC_MESSAGE *msg, ORPCTHIS *orpcthis,
*first_wire_orpc_extent = NULL; *first_wire_orpc_extent = NULL;
if (msg->BufferLength < FIELD_OFFSET(ORPCTHIS, extensions) + 4) if (msg->BufferLength < FIELD_OFFSET(WIRE_ORPCTHIS, extensions) + sizeof(DWORD))
{ {
ERR("invalid buffer length\n"); ERR("invalid buffer length\n");
return RPC_E_INVALID_HEADER; return RPC_E_INVALID_HEADER;
} }
memcpy(orpcthis, msg->Buffer, FIELD_OFFSET(ORPCTHIS, extensions)); memcpy(orpcthis, msg->Buffer, FIELD_OFFSET(WIRE_ORPCTHIS, extensions));
msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(ORPCTHIS, extensions); msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(WIRE_ORPCTHIS, extensions);
if ((const char *)msg->Buffer + sizeof(DWORD) > end) if ((const char *)msg->Buffer + sizeof(DWORD) > end)
return RPC_E_INVALID_HEADER; return RPC_E_INVALID_HEADER;
@ -1256,14 +1278,14 @@ static HRESULT unmarshal_ORPCTHAT(RPC_MESSAGE *msg, ORPCTHAT *orpcthat,
*first_wire_orpc_extent = NULL; *first_wire_orpc_extent = NULL;
if (msg->BufferLength < FIELD_OFFSET(ORPCTHAT, extensions) + 4) if (msg->BufferLength < FIELD_OFFSET(WIRE_ORPCTHAT, extensions) + sizeof(DWORD))
{ {
ERR("invalid buffer length\n"); ERR("invalid buffer length\n");
return RPC_E_INVALID_HEADER; return RPC_E_INVALID_HEADER;
} }
memcpy(orpcthat, msg->Buffer, FIELD_OFFSET(ORPCTHAT, extensions)); memcpy(orpcthat, msg->Buffer, FIELD_OFFSET(WIRE_ORPCTHAT, extensions));
msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(ORPCTHAT, extensions); msg->Buffer = (char *)msg->Buffer + FIELD_OFFSET(WIRE_ORPCTHAT, extensions);
if ((const char *)msg->Buffer + sizeof(DWORD) > end) if ((const char *)msg->Buffer + sizeof(DWORD) > end)
return RPC_E_INVALID_HEADER; return RPC_E_INVALID_HEADER;