From 029391b87b8ed135e826a414b01a2d73e99dea1d Mon Sep 17 00:00:00 2001
From: Jonathan <30329245+CookStar@users.noreply.github.com>
Date: Sun, 21 May 2023 09:50:29 +0900
Subject: [PATCH 1/5] Fixed set_string_pointer to always create a new string
 object.

---
 .../packages/source-python/memory/manager.py  | 24 ++++++++++++++++---
 src/core/modules/memory/memory_pointer.cpp    | 23 ++++++++++++++++++
 src/core/modules/memory/memory_pointer.h      |  3 +++
 src/core/modules/memory/memory_wrap.cpp       | 17 +++++++++++--
 4 files changed, 62 insertions(+), 5 deletions(-)
 mode change 100644 => 100755 src/core/modules/memory/memory_pointer.h

diff --git a/addons/source-python/packages/source-python/memory/manager.py b/addons/source-python/packages/source-python/memory/manager.py
index b09649420..2f65e8ac2 100755
--- a/addons/source-python/packages/source-python/memory/manager.py
+++ b/addons/source-python/packages/source-python/memory/manager.py
@@ -467,7 +467,16 @@ def fset(ptr, value):
 
             # Handle native type
             else:
-                getattr(ptr, 'set_' + type_name)(value, offset)
+                # Handle string pointer type
+                if type_name == Type.STRING_POINTER:
+                    string_pointer = ptr.set_string_pointer(value, offset)
+                    string_pointer.auto_dealloc = True
+
+                    # Make sure the value will not deallocate as long as it is
+                    # part of this object
+                    ptr._pointer_values[offset] = string_pointer
+                else:
+                    getattr(ptr, 'set_' + type_name)(value, offset)
 
         return property(fget, fset, None, doc)
 
@@ -521,8 +530,17 @@ def fset(ptr, value):
                     # Set the pointer
                     ptr.set_pointer(instance_ptr, offset)
 
-                # Set the value
-                getattr(instance_ptr, 'set_' + type_name)(value)
+                # Handle string pointer type
+                if type_name == Type.STRING_POINTER:
+                    string_pointer = instance_ptr.set_string_pointer(value, offset)
+                    string_pointer.auto_dealloc = True
+
+                    # Make sure the value will not deallocate as long as it is
+                    # part of this object
+                    ptr._pointer_values[offset] = string_pointer
+                else:
+                    # Set the value
+                    getattr(instance_ptr, 'set_' + type_name)(value)
 
         return property(fget, fset, None, doc)
 
diff --git a/src/core/modules/memory/memory_pointer.cpp b/src/core/modules/memory/memory_pointer.cpp
index d8ddc6a8a..d681ad453 100755
--- a/src/core/modules/memory/memory_pointer.cpp
+++ b/src/core/modules/memory/memory_pointer.cpp
@@ -92,6 +92,29 @@ CPointer::CPointer(unsigned long ulAddr /* = 0 */, bool bAutoDealloc /* false */
 	m_bAutoDealloc = bAutoDealloc;
 }
 
+const char * CPointer::GetStringPointer(int iOffset /* = 0 */)
+{
+	Validate();
+	const char * result;
+	TRY_SEGV()
+		result = *(const char **) (m_ulAddr + iOffset);
+	EXCEPT_SEGV()
+	return result;
+}
+
+CPointer * CPointer::SetStringPointer(str oString, int iOffset /* = 0 */)
+{
+	Validate();
+	unsigned long length = len(oString) + 1;
+	CPointer * pPtr = new CPointer((unsigned long) UTIL_Alloc(length), false);
+	char * value = (char *) pPtr->m_ulAddr;
+	memcpy(value, extract<const char *>(oString), length);
+	TRY_SEGV()
+		*(const char **) (m_ulAddr + iOffset) = value;
+	EXCEPT_SEGV()
+	return pPtr;
+}
+
 const char * CPointer::GetStringArray(int iOffset /* = 0 */)
 {
 	Validate();
diff --git a/src/core/modules/memory/memory_pointer.h b/src/core/modules/memory/memory_pointer.h
old mode 100644
new mode 100755
index 99d9b26a5..854819fca
--- a/src/core/modules/memory/memory_pointer.h
+++ b/src/core/modules/memory/memory_pointer.h
@@ -136,6 +136,9 @@ class CPointer
 		EXCEPT_SEGV()
 	}
 
+	const char *        GetStringPointer(int iOffset = 0);
+	CPointer*           SetStringPointer(str oString, int iOffset = 0);
+
 	const char *        GetStringArray(int iOffset = 0);
 	void                SetStringArray(char* szText, int iOffset = 0);
 
diff --git a/src/core/modules/memory/memory_wrap.cpp b/src/core/modules/memory/memory_wrap.cpp
index 76d868222..28628e56d 100755
--- a/src/core/modules/memory/memory_wrap.cpp
+++ b/src/core/modules/memory/memory_wrap.cpp
@@ -201,7 +201,6 @@ void export_pointer(scope _memory)
 		EXPOSE_GET_SET_TYPE(ulong_long, unsigned long long)
 		EXPOSE_GET_SET_TYPE(float, float)
 		EXPOSE_GET_SET_TYPE(double, double)
-		EXPOSE_GET_SET_TYPE(string_pointer, const char*)
 
 		.def("get_pointer",
 			&CPointer::GetPtr,
@@ -210,6 +209,12 @@ void export_pointer(scope _memory)
 			manage_new_object_policy()
 		)
 
+		.def("get_string_pointer",
+			&CPointer::GetStringPointer,
+			"Returns the value at the memory location.",
+			(arg("offset")=0)
+		)
+
 		.def("get_string_array",
 			&CPointer::GetStringArray,
 			"Returns the value at the memory location.",
@@ -222,10 +227,17 @@ void export_pointer(scope _memory)
 			("value", arg("offset")=0)
 		)
 
+		.def("set_string_pointer",
+			&CPointer::SetStringPointer,
+			"Sets the value at the given memory location. This string object must be deallocated by the user. Returns the string object.",
+			("value", arg( "offset")=0),
+			manage_new_object_policy()
+		)
+
 		.def("set_string_array",
 			&CPointer::SetStringArray,
 			"Sets the value at the given memory location.",
-			("value",arg( "offset")=0)
+			("value", arg( "offset")=0)
 		)
 
 		// Other methods
@@ -1048,6 +1060,7 @@ void export_global_variables(scope _memory)
 	ADD_NATIVE_TYPE_SIZE("DOUBLE", double)
 	ADD_NATIVE_TYPE_SIZE("POINTER", void*)
 	ADD_NATIVE_TYPE_SIZE("STRING", char*)
+	ADD_NATIVE_TYPE_SIZE("STRING_POINTER", char*)
 
 	_memory.attr("NULL") = object(CPointer());
 

From 3a5124dca00d15a337a342c77ca7772749aef1ca Mon Sep 17 00:00:00 2001
From: Jonathan <30329245+CookStar@users.noreply.github.com>
Date: Sun, 21 May 2023 17:23:56 +0900
Subject: [PATCH 2/5] Changed instance/pointer_attribute to accept length when
 using string_array to prevent buffer overrun.

---
 .../source-python/entities/csgo/CCSPlayer.ini |  1 +
 .../entities/orangebox/cstrike/CCSPlayer.ini  |  2 +
 .../weapons/scripts/WeaponInfo.ini            |  1 +
 .../weapons/scripts/csgo/WeaponInfo.ini       | 21 +++++++++++
 .../weapons/scripts/orangebox/WeaponInfo.ini  | 21 +++++++++++
 .../scripts/orangebox/cstrike/WeaponInfo.ini  |  6 +++
 .../packages/source-python/memory/helpers.py  |  2 +-
 .../packages/source-python/memory/manager.py  | 37 ++++++++++++++++---
 8 files changed, 85 insertions(+), 6 deletions(-)
 mode change 100644 => 100755 addons/source-python/data/source-python/entities/orangebox/cstrike/CCSPlayer.ini
 mode change 100644 => 100755 addons/source-python/data/source-python/weapons/scripts/WeaponInfo.ini
 mode change 100644 => 100755 addons/source-python/data/source-python/weapons/scripts/csgo/WeaponInfo.ini
 mode change 100644 => 100755 addons/source-python/data/source-python/weapons/scripts/orangebox/WeaponInfo.ini
 mode change 100644 => 100755 addons/source-python/data/source-python/weapons/scripts/orangebox/cstrike/WeaponInfo.ini

diff --git a/addons/source-python/data/source-python/entities/csgo/CCSPlayer.ini b/addons/source-python/data/source-python/entities/csgo/CCSPlayer.ini
index 6737da37d..d2344a47c 100755
--- a/addons/source-python/data/source-python/entities/csgo/CCSPlayer.ini
+++ b/addons/source-python/data/source-python/entities/csgo/CCSPlayer.ini
@@ -73,6 +73,7 @@ srv_check = False
         base = m_flGroundAccelLinearFracLastTime
         offset = 140
         type = STRING_ARRAY
+        length = 16
 
 
 [property]
diff --git a/addons/source-python/data/source-python/entities/orangebox/cstrike/CCSPlayer.ini b/addons/source-python/data/source-python/entities/orangebox/cstrike/CCSPlayer.ini
old mode 100644
new mode 100755
index 83d0e60cf..f7904215b
--- a/addons/source-python/data/source-python/entities/orangebox/cstrike/CCSPlayer.ini
+++ b/addons/source-python/data/source-python/entities/orangebox/cstrike/CCSPlayer.ini
@@ -62,6 +62,7 @@
         offset_windows = 5628
         offset_linux = 5648
         type = STRING_ARRAY
+        length = 16
 
 
 [based_attribute]
@@ -75,6 +76,7 @@
         base = m_flFlashDuration
         offset = -28
         type = STRING_ARRAY
+        length = 16
 
 
 [property]
diff --git a/addons/source-python/data/source-python/weapons/scripts/WeaponInfo.ini b/addons/source-python/data/source-python/weapons/scripts/WeaponInfo.ini
old mode 100644
new mode 100755
index f64a9af2f..06096d718
--- a/addons/source-python/data/source-python/weapons/scripts/WeaponInfo.ini
+++ b/addons/source-python/data/source-python/weapons/scripts/WeaponInfo.ini
@@ -27,3 +27,4 @@
     [[class_name]]
     type = STRING_ARRAY
     offset = 6
+    length = 80
diff --git a/addons/source-python/data/source-python/weapons/scripts/csgo/WeaponInfo.ini b/addons/source-python/data/source-python/weapons/scripts/csgo/WeaponInfo.ini
old mode 100644
new mode 100755
index a7d40e6f2..2c7cafe87
--- a/addons/source-python/data/source-python/weapons/scripts/csgo/WeaponInfo.ini
+++ b/addons/source-python/data/source-python/weapons/scripts/csgo/WeaponInfo.ini
@@ -8,22 +8,27 @@
     [[print_name]]
         type = STRING_ARRAY
         offset = 86
+        length = 80
 
     [[view_model_name]]
         type = STRING_ARRAY
         offset = 166
+        length = 80
 
     [[world_model_name]]
         type = STRING_ARRAY
         offset = 246
+        length = 80
 
     [[primary_ammo_type]]
         type = STRING_ARRAY
         offset = 326
+        length = 32
 
     [[animation_prefix]]
         type = STRING_ARRAY
         offset = 438
+        length = 16
 
     [[bucket]]
         type = INT
@@ -72,14 +77,17 @@
     [[secondary_ammo_type]]
         type = STRING_ARRAY
         offset = 496
+        length = 32
 
     [[ai_addon_base]]
         type = STRING_ARRAY
         offset = 528
+        length = 80
 
     [[ai_addon]]
         type = STRING_ARRAY
         offset = 608
+        length = 80
 
     [[primary_ammo_index]]
         type = INT
@@ -180,6 +188,7 @@
     [[heat_effect_name]]
         type = STRING_ARRAY
         offset = 2096
+        length = 80
 
     [[smoke_color]]
         type = Vector
@@ -188,18 +197,22 @@
     [[muzzle_flash_effect_1stperson]]
         type = STRING_ARRAY
         offset = 2188
+        length = 80
 
     [[muzzle_flash_effect_3rdperson]]
         type = STRING_ARRAY
         offset = 2268
+        length = 80
 
     [[eject_brass_effect]]
         type = STRING_ARRAY
         offset = 2348
+        length = 80
 
     [[tracer_effect]]
         type = STRING_ARRAY
         offset = 2428
+        length = 80
 
     [[tracer_frequency]]
         type = INT
@@ -368,10 +381,12 @@
     [[zoom_in_sound_name]]
         type = STRING_ARRAY
         offset = 3705
+        length = 80
 
     [[zoom_out_sound_name]]
         type = STRING_ARRAY
         offset = 3785
+        length = 80
 
     [[bot_audible_range]]
         type = FLOAT
@@ -384,26 +399,32 @@
     [[wrong_team_message]]
         type = STRING_ARRAY
         offset = 3873
+        length = 32
 
     [[player_animation_extension]]
         type = STRING_ARRAY
         offset = 3905
+        length = 16
 
     [[shield_view_model_name]]
         type = STRING_ARRAY
         offset = 3921
+        length = 64
 
     [[addon_model_name]]
         type = STRING_ARRAY
         offset = 3985
+        length = 80
 
     [[addon_location_name]]
         type = STRING_ARRAY
         offset = 4065
+        length = 80
 
     [[silencer_model_name]]
         type = STRING_ARRAY
         offset = 4145
+        length = 80
 
     [[addon_scale]]
         type = FLOAT
diff --git a/addons/source-python/data/source-python/weapons/scripts/orangebox/WeaponInfo.ini b/addons/source-python/data/source-python/weapons/scripts/orangebox/WeaponInfo.ini
old mode 100644
new mode 100755
index 62fa98efa..fd882d800
--- a/addons/source-python/data/source-python/weapons/scripts/orangebox/WeaponInfo.ini
+++ b/addons/source-python/data/source-python/weapons/scripts/orangebox/WeaponInfo.ini
@@ -8,14 +8,17 @@
     [[print_name]]
     type = STRING_ARRAY
     offset = 86
+    length = 80
 
     [[world_model]]
     type = STRING_ARRAY
     offset = 166
+    length = 80
 
     [[animation_prefix]]
     type = STRING_ARRAY
     offset = 326
+    length = 16
 
     [[slot_index]]
     type = INT
@@ -64,70 +67,87 @@
     [[primary_ammo_name]]
     type = STRING_ARRAY
     offset = 384
+    length = 32
 
     [[secondary_ammo_name]]
     type = STRING_ARRAY
     offset = 416
+    length = 32
 
     [[empty_sound]]
     type = STRING_ARRAY
     offset = 448
+    length = 80
 
     [[single_sound]]
     type = STRING_ARRAY
     offset = 528
+    length = 80
 
     [[single_npc_sound]]
     type = STRING_ARRAY
     offset = 608
+    length = 80
 
     [[double_sound]]
     type = STRING_ARRAY
     offset = 688
+    length = 80
 
     [[double_npc_sound]]
     type = STRING_ARRAY
     offset = 768
+    length = 80
 
     [[burst_sound]]
     type = STRING_ARRAY
     offset = 848
+    length = 80
 
     [[reload_sound]]
     type = STRING_ARRAY
     offset = 928
+    length = 80
 
     [[reload_npc_sound]]
     type = STRING_ARRAY
     offset = 1008
+    length = 80
 
     [[melee_miss_sound]]
     type = STRING_ARRAY
     offset = 1088
+    length = 80
 
     [[melee_hit_sound]]
     type = STRING_ARRAY
     offset = 1168
+    length = 80
 
     [[melee_hit_world_sound]]
     type = STRING_ARRAY
     offset = 1248
+    length = 80
 
     [[special_sound_1]]
     type = STRING_ARRAY
     offset = 1328
+    length = 80
 
     [[special_sound_2]]
     type = STRING_ARRAY
     offset = 1408
+    length = 80
 
     [[special_sound_3]]
     type = STRING_ARRAY
     offset = 1488
+    length = 80
 
     [[taunt_sound]]
     type = STRING_ARRAY
     offset = 1568
+    length = 80
 
     [[primary_ammo_type]]
     type = INT
@@ -196,3 +216,4 @@
     [[ai_addon]]
     type = STRING_ARRAY
     offset = 1704
+    length = 80
diff --git a/addons/source-python/data/source-python/weapons/scripts/orangebox/cstrike/WeaponInfo.ini b/addons/source-python/data/source-python/weapons/scripts/orangebox/cstrike/WeaponInfo.ini
old mode 100644
new mode 100755
index 85f94022f..e3acb5d8a
--- a/addons/source-python/data/source-python/weapons/scripts/orangebox/cstrike/WeaponInfo.ini
+++ b/addons/source-python/data/source-python/weapons/scripts/orangebox/cstrike/WeaponInfo.ini
@@ -50,26 +50,32 @@ size = 2320
     [[wrong_team_message]]
     type = STRING_ARRAY
     offset = 1817
+    length = 32
 
     [[player_animation_extension]]
     type = STRING_ARRAY
     offset = 1849
+    length = 16
 
     [[shield_view_model]]
     type = STRING_ARRAY
     offset = 1865
+    length = 64
 
     [[addon_model]]
     type = STRING_ARRAY
     offset = 1929
+    length = 80
 
     [[dropped_model]]
     type = STRING_ARRAY
     offset = 2009
+    length = 80
 
     [[silencer_model]]
     type = STRING_ARRAY
     offset = 2089
+    length = 80
 
     [[muzzle_flash_style_index]]
     type = INT
diff --git a/addons/source-python/packages/source-python/memory/helpers.py b/addons/source-python/packages/source-python/memory/helpers.py
index 4c0ba2177..d2367d377 100755
--- a/addons/source-python/packages/source-python/memory/helpers.py
+++ b/addons/source-python/packages/source-python/memory/helpers.py
@@ -79,7 +79,7 @@ class Key(object):
     # Attribute/array keys
     TYPE_NAME = 'type'
 
-    # Array keys
+    # Attribute(string length)/Array keys
     LENGTH = 'length'
 
     # Pointer keys
diff --git a/addons/source-python/packages/source-python/memory/manager.py b/addons/source-python/packages/source-python/memory/manager.py
index 2f65e8ac2..18f34c993 100755
--- a/addons/source-python/packages/source-python/memory/manager.py
+++ b/addons/source-python/packages/source-python/memory/manager.py
@@ -368,7 +368,8 @@ def create_type_from_dict(self, type_name, raw_data, bases=(CustomType,)):
                 (
                     (Key.TYPE_NAME, Key.as_attribute_type, NO_DEFAULT),
                     (Key.OFFSET, Key.as_int, NO_DEFAULT),
-                    (Key.DOC, Key.as_str, None)
+                    (Key.DOC, Key.as_str, None),
+                    (Key.LENGTH, Key.as_int, 0)
                 )
             )
 
@@ -434,7 +435,7 @@ def create_type_from_dict(self, type_name, raw_data, bases=(CustomType,)):
         # Now create and register the type
         return self(type_name, bases, cls_dict)
 
-    def instance_attribute(self, type_name, offset, doc=None):
+    def instance_attribute(self, type_name, offset, doc=None, length=0):
         """Create a wrapper for an instance attribute.
 
         Examples:
@@ -475,12 +476,22 @@ def fset(ptr, value):
                     # Make sure the value will not deallocate as long as it is
                     # part of this object
                     ptr._pointer_values[offset] = string_pointer
+
+                # Handle string array type
+                elif type_name == Type.STRING_ARRAY:
+                    if length and len(value) >= length:
+                        raise ValueError(
+                            'The string length exceeds'
+                            'the limit "{0}".'.format(length-1))
+
+                    ptr.set_string_array(value, offset)
+
                 else:
                     getattr(ptr, 'set_' + type_name)(value, offset)
 
         return property(fget, fset, None, doc)
 
-    def pointer_attribute(self, type_name, offset, doc=None):
+    def pointer_attribute(self, type_name, offset, doc=None, length=0):
         """Create a wrapper for a pointer attribute.
 
         Examples:
@@ -521,7 +532,12 @@ def fset(ptr, value):
                 # Is there no space allocated?
                 if not instance_ptr:
                     # Allocate space for the value
-                    instance_ptr = alloc(TYPE_SIZES[type_name.upper()])
+                    if type_name == Type.STRING_ARRAY:
+                        size = length if length else len(value) + 1
+                    else:
+                        size = TYPE_SIZES[type_name.upper()]
+
+                    instance_ptr = alloc(size)
 
                     # Add the pointer to the set, so there will be a reference
                     # until the instance gets deleted
@@ -532,12 +548,23 @@ def fset(ptr, value):
 
                 # Handle string pointer type
                 if type_name == Type.STRING_POINTER:
-                    string_pointer = instance_ptr.set_string_pointer(value, offset)
+                    string_pointer = instance_ptr.set_string_pointer(
+                        value, offset)
                     string_pointer.auto_dealloc = True
 
                     # Make sure the value will not deallocate as long as it is
                     # part of this object
                     ptr._pointer_values[offset] = string_pointer
+
+                # Handle string array type
+                elif type_name == Type.STRING_ARRAY:
+                    if length and len(value) >= length:
+                        raise ValueError(
+                            'The string length exceeds'
+                            'the limit "{0}".'.format(length-1))
+
+                    instance_ptr.set_string_array(value, offset)
+
                 else:
                     # Set the value
                     getattr(instance_ptr, 'set_' + type_name)(value)

From 88f708a37b99e5a6ee61fa461ccad3fd137b7631 Mon Sep 17 00:00:00 2001
From: Jonathan <30329245+CookStar@users.noreply.github.com>
Date: Tue, 23 May 2023 12:53:52 +0900
Subject: [PATCH 3/5] Fixed support for UTF8.

Fixed missing support for based_attribute.

Modified the description of SetStringPointer.
---
 .../source-python/entities/classes.py         |  3 ++-
 .../packages/source-python/memory/manager.py  |  6 +++---
 src/core/modules/memory/memory_pointer.cpp    | 20 ++++++++++++++-----
 src/core/modules/memory/memory_wrap.cpp       |  2 +-
 4 files changed, 21 insertions(+), 10 deletions(-)

diff --git a/addons/source-python/packages/source-python/entities/classes.py b/addons/source-python/packages/source-python/entities/classes.py
index a8628a1d8..ef0a0b20b 100755
--- a/addons/source-python/packages/source-python/entities/classes.py
+++ b/addons/source-python/packages/source-python/entities/classes.py
@@ -359,7 +359,8 @@ def _get_server_class(self, class_name, datamap):
             attribute = method(
                 Key.as_attribute_type(self, data['type']),
                 offset,
-                data.get('doc')
+                data.get('doc'),
+                Key.as_int(self, data.get('length', 0)),
             )
 
             # Assign the attribute to the instance
diff --git a/addons/source-python/packages/source-python/memory/manager.py b/addons/source-python/packages/source-python/memory/manager.py
index 18f34c993..e4503a336 100755
--- a/addons/source-python/packages/source-python/memory/manager.py
+++ b/addons/source-python/packages/source-python/memory/manager.py
@@ -479,7 +479,7 @@ def fset(ptr, value):
 
                 # Handle string array type
                 elif type_name == Type.STRING_ARRAY:
-                    if length and len(value) >= length:
+                    if length and len(value.encode()) >= length:
                         raise ValueError(
                             'The string length exceeds'
                             'the limit "{0}".'.format(length-1))
@@ -533,7 +533,7 @@ def fset(ptr, value):
                 if not instance_ptr:
                     # Allocate space for the value
                     if type_name == Type.STRING_ARRAY:
-                        size = length if length else len(value) + 1
+                        size = length if length else len(value.encode()) + 1
                     else:
                         size = TYPE_SIZES[type_name.upper()]
 
@@ -558,7 +558,7 @@ def fset(ptr, value):
 
                 # Handle string array type
                 elif type_name == Type.STRING_ARRAY:
-                    if length and len(value) >= length:
+                    if length and len(value.encode()) >= length:
                         raise ValueError(
                             'The string length exceeds'
                             'the limit "{0}".'.format(length-1))
diff --git a/src/core/modules/memory/memory_pointer.cpp b/src/core/modules/memory/memory_pointer.cpp
index d681ad453..122d275a4 100755
--- a/src/core/modules/memory/memory_pointer.cpp
+++ b/src/core/modules/memory/memory_pointer.cpp
@@ -105,14 +105,24 @@ const char * CPointer::GetStringPointer(int iOffset /* = 0 */)
 CPointer * CPointer::SetStringPointer(str oString, int iOffset /* = 0 */)
 {
 	Validate();
-	unsigned long length = len(oString) + 1;
-	CPointer * pPtr = new CPointer((unsigned long) UTIL_Alloc(length), false);
-	char * value = (char *) pPtr->m_ulAddr;
-	memcpy(value, extract<const char *>(oString), length);
+
+	// Encode Unicode object and extract Python bytes object.
+	PyObject * pObj = PyUnicode_AsUTF8String(oString.ptr());
+	if (!pObj)
+		BOOST_RAISE_EXCEPTION(PyExc_ValueError, "Invalid UTF-8 string.");
+
+	// Get string and length of bytes.
+	const char * szString = PyBytes_AS_STRING(pObj);
+	unsigned long length = PyBytes_GET_SIZE(pObj) + 1;
+
+	char * value = (char *) UTIL_Alloc(length);
+	memcpy(value, szString, length);
+
 	TRY_SEGV()
 		*(const char **) (m_ulAddr + iOffset) = value;
 	EXCEPT_SEGV()
-	return pPtr;
+
+	return new CPointer((unsigned long) value, false);
 }
 
 const char * CPointer::GetStringArray(int iOffset /* = 0 */)
diff --git a/src/core/modules/memory/memory_wrap.cpp b/src/core/modules/memory/memory_wrap.cpp
index 28628e56d..be1cd74b5 100755
--- a/src/core/modules/memory/memory_wrap.cpp
+++ b/src/core/modules/memory/memory_wrap.cpp
@@ -229,7 +229,7 @@ void export_pointer(scope _memory)
 
 		.def("set_string_pointer",
 			&CPointer::SetStringPointer,
-			"Sets the value at the given memory location. This string object must be deallocated by the user. Returns the string object.",
+			"Sets the value at the given memory location. Returns the string object. This string object must be deallocated by the user.",
 			("value", arg( "offset")=0),
 			manage_new_object_policy()
 		)

From 8d7a3b4c4fb8154ae9fe5c6703e97bb68f3ff8e1 Mon Sep 17 00:00:00 2001
From: Jonathan <30329245+CookStar@users.noreply.github.com>
Date: Wed, 24 May 2023 20:22:46 +0900
Subject: [PATCH 4/5] Fixed SetStringPointer unable to accept None.

---
 .../packages/source-python/memory/manager.py  | 18 ++++++++-------
 src/core/modules/memory/memory_pointer.cpp    | 23 +++++++++++--------
 src/core/modules/memory/memory_pointer.h      |  2 +-
 3 files changed, 24 insertions(+), 19 deletions(-)

diff --git a/addons/source-python/packages/source-python/memory/manager.py b/addons/source-python/packages/source-python/memory/manager.py
index e4503a336..9b0be02a1 100755
--- a/addons/source-python/packages/source-python/memory/manager.py
+++ b/addons/source-python/packages/source-python/memory/manager.py
@@ -471,11 +471,12 @@ def fset(ptr, value):
                 # Handle string pointer type
                 if type_name == Type.STRING_POINTER:
                     string_pointer = ptr.set_string_pointer(value, offset)
-                    string_pointer.auto_dealloc = True
+                    if string_pointer:
+                        string_pointer.auto_dealloc = True
 
-                    # Make sure the value will not deallocate as long as it is
-                    # part of this object
-                    ptr._pointer_values[offset] = string_pointer
+                        # Make sure the value will not deallocate as long as
+                        # it is part of this object
+                        ptr._pointer_values[offset] = string_pointer
 
                 # Handle string array type
                 elif type_name == Type.STRING_ARRAY:
@@ -550,11 +551,12 @@ def fset(ptr, value):
                 if type_name == Type.STRING_POINTER:
                     string_pointer = instance_ptr.set_string_pointer(
                         value, offset)
-                    string_pointer.auto_dealloc = True
+                    if string_pointer:
+                        string_pointer.auto_dealloc = True
 
-                    # Make sure the value will not deallocate as long as it is
-                    # part of this object
-                    ptr._pointer_values[offset] = string_pointer
+                        # Make sure the value will not deallocate as long as
+                        # it is part of this object
+                        ptr._pointer_values[offset] = string_pointer
 
                 # Handle string array type
                 elif type_name == Type.STRING_ARRAY:
diff --git a/src/core/modules/memory/memory_pointer.cpp b/src/core/modules/memory/memory_pointer.cpp
index 122d275a4..d4e36e209 100755
--- a/src/core/modules/memory/memory_pointer.cpp
+++ b/src/core/modules/memory/memory_pointer.cpp
@@ -102,21 +102,24 @@ const char * CPointer::GetStringPointer(int iOffset /* = 0 */)
 	return result;
 }
 
-CPointer * CPointer::SetStringPointer(str oString, int iOffset /* = 0 */)
+CPointer * CPointer::SetStringPointer(char * szText, int iOffset /* = 0 */)
 {
 	Validate();
 
-	// Encode Unicode object and extract Python bytes object.
-	PyObject * pObj = PyUnicode_AsUTF8String(oString.ptr());
-	if (!pObj)
-		BOOST_RAISE_EXCEPTION(PyExc_ValueError, "Invalid UTF-8 string.");
+	char * value;
 
-	// Get string and length of bytes.
-	const char * szString = PyBytes_AS_STRING(pObj);
-	unsigned long length = PyBytes_GET_SIZE(pObj) + 1;
+	if (szText)
+	{
+		// Get length of string.
+		unsigned long length = strlen(szText) + 1;
 
-	char * value = (char *) UTIL_Alloc(length);
-	memcpy(value, szString, length);
+		value = (char *) UTIL_Alloc(length);
+		memcpy(value, szText, length);
+	}
+	else
+	{
+		value = szText;
+	}
 
 	TRY_SEGV()
 		*(const char **) (m_ulAddr + iOffset) = value;
diff --git a/src/core/modules/memory/memory_pointer.h b/src/core/modules/memory/memory_pointer.h
index 854819fca..fd337add6 100755
--- a/src/core/modules/memory/memory_pointer.h
+++ b/src/core/modules/memory/memory_pointer.h
@@ -137,7 +137,7 @@ class CPointer
 	}
 
 	const char *        GetStringPointer(int iOffset = 0);
-	CPointer*           SetStringPointer(str oString, int iOffset = 0);
+	CPointer*           SetStringPointer(char * szText, int iOffset = 0);
 
 	const char *        GetStringArray(int iOffset = 0);
 	void                SetStringArray(char* szText, int iOffset = 0);

From 9fefc1eae72c57cbddf5be24e4dd670566da5da9 Mon Sep 17 00:00:00 2001
From: Jonathan <30329245+CookStar@users.noreply.github.com>
Date: Sat, 27 May 2023 23:03:05 +0900
Subject: [PATCH 5/5] Fixed an error for MSVC.

Added space to error description.
---
 .../packages/source-python/memory/manager.py          |  4 ++--
 src/core/modules/memory/memory_pointer.cpp            | 11 ++++++++---
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/addons/source-python/packages/source-python/memory/manager.py b/addons/source-python/packages/source-python/memory/manager.py
index 9b0be02a1..a6d259e6c 100755
--- a/addons/source-python/packages/source-python/memory/manager.py
+++ b/addons/source-python/packages/source-python/memory/manager.py
@@ -482,7 +482,7 @@ def fset(ptr, value):
                 elif type_name == Type.STRING_ARRAY:
                     if length and len(value.encode()) >= length:
                         raise ValueError(
-                            'The string length exceeds'
+                            'The string length exceeds '
                             'the limit "{0}".'.format(length-1))
 
                     ptr.set_string_array(value, offset)
@@ -562,7 +562,7 @@ def fset(ptr, value):
                 elif type_name == Type.STRING_ARRAY:
                     if length and len(value.encode()) >= length:
                         raise ValueError(
-                            'The string length exceeds'
+                            'The string length exceeds '
                             'the limit "{0}".'.format(length-1))
 
                     instance_ptr.set_string_array(value, offset)
diff --git a/src/core/modules/memory/memory_pointer.cpp b/src/core/modules/memory/memory_pointer.cpp
index d4e36e209..3efa50be1 100755
--- a/src/core/modules/memory/memory_pointer.cpp
+++ b/src/core/modules/memory/memory_pointer.cpp
@@ -102,6 +102,13 @@ const char * CPointer::GetStringPointer(int iOffset /* = 0 */)
 	return result;
 }
 
+void SetStringPointerHelper(unsigned long addr, const char * ptr)
+{
+	TRY_SEGV()
+		*(const char **) (addr) = ptr;
+	EXCEPT_SEGV()
+}
+
 CPointer * CPointer::SetStringPointer(char * szText, int iOffset /* = 0 */)
 {
 	Validate();
@@ -121,9 +128,7 @@ CPointer * CPointer::SetStringPointer(char * szText, int iOffset /* = 0 */)
 		value = szText;
 	}
 
-	TRY_SEGV()
-		*(const char **) (m_ulAddr + iOffset) = value;
-	EXCEPT_SEGV()
+	SetStringPointerHelper(m_ulAddr + iOffset, value);
 
 	return new CPointer((unsigned long) value, false);
 }

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