server/game9502
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This commit is contained in:
aozhiwei 2019-09-14 21:57:38 +08:00
parent 09f55254d5
commit a6560ba1a0
1 changed files with 20 additions and 11 deletions
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31
server/gameserver/global.cc
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@ -1,8 +1,10 @@
#include "precompile.h"
#include <google/protobuf/message.h>
#include <google/protobuf/descriptor.pb.h>
#include "global.h"
#include "cs_proto.pb.h"
time_t Global::BetweenDays(time_t time1, time_t time2)
{
@ -28,17 +30,24 @@ bool CustomParser(f8::MsgHdr& hdr, google::protobuf::Message* msg)
switch (field_desc->cpp_type()) {
case google::protobuf::FieldDescriptor::CPPTYPE_STRING:
{
if ((size_t)hdr.offset >= (size_t)hdr.buflen) {
abort();
int fixed_len = field_desc->options().GetExtension(cs::fixed_len);
if (field_desc->type() == google::protobuf::FieldDescriptor::TYPE_BYTES && fixed_len > 0) {
if ((size_t)hdr.offset + fixed_len > (size_t)hdr.buflen) {
abort();
}
} else {
if ((size_t)hdr.offset > (size_t)hdr.buflen) {
abort();
}
std::string val(&hdr.buf[hdr.offset]);
reflection->SetString(msg, field_desc, val);
hdr.offset += val.size() + 1;
}
std::string val(&hdr.buf[hdr.offset]);
reflection->SetString(msg, field_desc, val);
hdr.offset += val.size() + 1;
}
break;
case google::protobuf::FieldDescriptor::CPPTYPE_INT32:
{
if (hdr.offset + sizeof(int) < (size_t)hdr.buflen) {
if (hdr.offset + sizeof(int) > (size_t)hdr.buflen) {
abort();
}
int* p_val = (int*)&hdr.buf[hdr.offset];
@ -48,7 +57,7 @@ bool CustomParser(f8::MsgHdr& hdr, google::protobuf::Message* msg)
break;
case google::protobuf::FieldDescriptor::CPPTYPE_UINT32:
{
if (hdr.offset + sizeof(unsigned int) < (size_t)hdr.buflen) {
if (hdr.offset + sizeof(unsigned int) > (size_t)hdr.buflen) {
abort();
}
unsigned int* p_val = (unsigned int*)&hdr.buf[hdr.offset];
@ -58,7 +67,7 @@ bool CustomParser(f8::MsgHdr& hdr, google::protobuf::Message* msg)
break;
case google::protobuf::FieldDescriptor::CPPTYPE_INT64:
{
if (hdr.offset + sizeof(long long) < (size_t)hdr.buflen) {
if (hdr.offset + sizeof(long long) > (size_t)hdr.buflen) {
abort();
}
long long* p_val = (long long*)&hdr.buf[hdr.offset];
@ -68,7 +77,7 @@ bool CustomParser(f8::MsgHdr& hdr, google::protobuf::Message* msg)
break;
case google::protobuf::FieldDescriptor::CPPTYPE_UINT64:
{
if (hdr.offset + sizeof(unsigned long long) < (size_t)hdr.buflen) {
if (hdr.offset + sizeof(unsigned long long) > (size_t)hdr.buflen) {
abort();
}
unsigned long long* p_val = (unsigned long long*)&hdr.buf[hdr.offset];
@ -78,7 +87,7 @@ bool CustomParser(f8::MsgHdr& hdr, google::protobuf::Message* msg)
break;
case google::protobuf::FieldDescriptor::CPPTYPE_FLOAT:
{
if (hdr.offset + sizeof(float) < (size_t)hdr.buflen) {
if (hdr.offset + sizeof(float) > (size_t)hdr.buflen) {
abort();
}
float* p_val = (float*)&hdr.buf[hdr.offset];
@ -88,7 +97,7 @@ bool CustomParser(f8::MsgHdr& hdr, google::protobuf::Message* msg)
break;
case google::protobuf::FieldDescriptor::CPPTYPE_DOUBLE:
{
if (hdr.offset + sizeof(double) < (size_t)hdr.buflen) {
if (hdr.offset + sizeof(double) > (size_t)hdr.buflen) {
abort();
}
double* p_val = (double*)&hdr.buf[hdr.offset];