From 28f41cf689def99fb586bfca47b7e1786227a5a2 Mon Sep 17 00:00:00 2001
From: navewindre <nw@moneybot.cc>
Date: Fri, 12 Jul 2024 05:40:41 +0200
Subject: base shit

---
 src/cs2/cs2.h    |  46 ++++++++++++++++++++++++
 src/cs2/hack.cpp |  22 ++++++++++++
 src/cs2/hack.h   |   9 +++++
 src/cs2/iface.h  | 106 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/cs2/schema.h |   0
 5 files changed, 183 insertions(+)
 create mode 100644 src/cs2/cs2.h
 create mode 100644 src/cs2/hack.cpp
 create mode 100644 src/cs2/hack.h
 create mode 100644 src/cs2/iface.h
 create mode 100644 src/cs2/schema.h

(limited to 'src/cs2')

diff --git a/src/cs2/cs2.h b/src/cs2/cs2.h
new file mode 100644
index 0000000..58eba14
--- /dev/null
+++ b/src/cs2/cs2.h
@@ -0,0 +1,46 @@
+#pragma once
+
+#include "../process64.h"
+
+class CS2 : public PROCESS64 {
+public:
+  CS2() : PROCESS64( "cs2.exe" ) {};
+
+  bool open() {
+    if( !PROCESS64::open() )
+      return false;
+
+    mod.client = get_module64( "client.dll"fnv );
+    mod.engine = get_module64( "engine.dll"fnv );
+    mod.schema = get_module64( "schemasystem.dll"fnv );
+    
+    // todo: handle this using loader
+    iface.client = get_iface( "Source2Client0" );
+    iface.engine = get_iface( "Source2EngineToClient0" );
+
+    return true;
+  }
+
+  IFACE_ENTRY get_iface( const char* name ) {
+    VECTOR<IFACE_ENTRY> entries = iface_get_all( this );
+    for( auto it : entries ) {
+      if( strncmp( it.name, name, strlen( name ) ) == 0 ) {
+        clog( "iface %s: [%llx]\n", it.name.data, it.ptr );
+        return it;
+      }
+    }
+
+    return {};
+  }
+  
+  struct {
+    MODULE_ENTRY client;
+    MODULE_ENTRY engine;
+    MODULE_ENTRY schema;
+  } mod;
+
+  struct {
+    IFACE_ENTRY client;
+    IFACE_ENTRY engine;
+  } iface;
+};
\ No newline at end of file
diff --git a/src/cs2/hack.cpp b/src/cs2/hack.cpp
new file mode 100644
index 0000000..b5f0242
--- /dev/null
+++ b/src/cs2/hack.cpp
@@ -0,0 +1,22 @@
+#include "hack.h"
+#include "iface.h"
+
+SETTING_HOLDER gcfg;
+
+#include "cs2.h"
+
+PROCESS64* hack_init() {
+  CS2* p = new CS2();
+  if( !p->open() ) {
+    delete p;
+    return nullptr;
+  }
+
+  VECTOR<IFACE_ENTRY> entries = iface_get_all( p );
+  
+  return p;
+}
+
+bool hack_run( PROCESS64* p ) {
+  return true;
+}
\ No newline at end of file
diff --git a/src/cs2/hack.h b/src/cs2/hack.h
new file mode 100644
index 0000000..18bd4e3
--- /dev/null
+++ b/src/cs2/hack.h
@@ -0,0 +1,9 @@
+#pragma once
+
+#include "../process64.h"
+#include "../setting.h"
+
+extern SETTING_HOLDER gcfg;
+
+extern PROCESS64* hack_init();
+extern bool hack_run( PROCESS64* p );
\ No newline at end of file
diff --git a/src/cs2/iface.h b/src/cs2/iface.h
new file mode 100644
index 0000000..6c3b34b
--- /dev/null
+++ b/src/cs2/iface.h
@@ -0,0 +1,106 @@
+#pragma once
+
+#include "../process64.h"
+
+struct IFACE_ENTRY {
+  U64     ptr;
+  STR<64> name;
+  U64     module;
+  STR<64> module_name;
+};
+
+struct IFACE_REG {
+  U64 create_fn;
+  U64 name;
+  U64 next;
+};
+
+inline bool iface_is_createinterface_export( PROCESS64* p, U64 exp ) {
+  U8 data[64];
+  p->read( exp, data, 64 );
+
+  // mov r9, cs:iface_list
+  // mov r10, rdx
+  return
+    data[0] == 0x4c && data[1] == 0x8b && data[2] == 0x0d &&
+    data[7] == 0x4c && data[8] == 0x8b && data[9] == 0xd2;
+}
+
+inline U64 iface_get_list( PROCESS64* p, U64 createiface ) {
+  U8 data[64];
+  p->read( createiface, data, 64 );
+
+  U32 off = *(U32*)&data[3];
+  U64 list = createiface + off + 7;
+
+  return p->read<U64>( list );
+}
+
+inline U64 iface_get_address( PROCESS64* p, U64 create_fn ) {
+  U8 data[64];
+  p->read( create_fn, data, 64 );
+
+  U32 off = *(U32*)&data[3];
+  U64 addr = create_fn + off + 7;
+}
+
+inline U64 iface_get_createinterface( PROCESS64* p, U64 module ) {
+  VECTOR<MODULE_EXPORT64> exports = module_get_exports64( module, p->get_base() );
+  for( auto& it : exports ) {
+    if( fnv1a( it.name ) == "CreateInterface"fnv )
+      return it.base;
+  }
+
+  return {};
+}
+
+inline VECTOR<IFACE_ENTRY> iface_dump_module( PROCESS64* p, MODULE_ENTRY module ) {
+  VECTOR<IFACE_ENTRY> entries;
+  U64 createiface, list, head, prev;
+  IFACE_REG reg;
+
+  createiface = iface_get_createinterface( p, module.base );
+  if( !createiface )
+    return entries;
+
+  if( !iface_is_createinterface_export( p, createiface ) )
+    return entries;
+
+  list = iface_get_list( p, createiface );
+  if( !list )
+    return entries;
+
+  head = list;
+  prev = 0;
+  p->read( head, &reg, sizeof( IFACE_REG ) );
+
+  for( ;; ) {
+    IFACE_ENTRY entry;
+    p->read( reg.name, entry.name.data, 64 );
+    entry.ptr = reg.create_fn;
+    entry.module = module.base;
+    entry.module_name = module.name;
+    entries.push_back( entry );
+
+    if( reg.next == head || reg.next == prev || !reg.next )
+      break;
+
+    prev = reg.next;
+    p->read( reg.next, &reg, sizeof( IFACE_REG ) );
+  }
+
+  return entries;
+}
+
+inline VECTOR<IFACE_ENTRY> iface_get_all( PROCESS64* p ) {
+  VECTOR<IFACE_ENTRY> entries;
+
+  VECTOR<MODULE_ENTRY> modules = p->dump_modules();
+  for( auto& it : modules ) {
+    VECTOR<IFACE_ENTRY> module_entries = iface_dump_module( p, it );
+    entries.insert( entries.end(), module_entries.begin(), module_entries.end() );
+  }
+
+  return entries;
+}
+  
diff --git a/src/cs2/schema.h b/src/cs2/schema.h
new file mode 100644
index 0000000..e69de29
-- 
cgit v1.2.3