Use total memory as base if low-level free memory API is available.

Prefix device name in tuning-db with device ID to avoid collisions
between identically named devices.

Fix Python bridge Makefile to handle missing python3-config helper.

src/backend.c

@@ -9677,7 +9677,7 @@ int backend_session_begin (hashcat_ctx_t *hashcat_ctx)
             continue;
           }
 
-          device_param->device_available_mem -= used_bytes;
+          device_param->device_available_mem = device_param->device_global_mem - used_bytes;
 
           break;
         }
@@ -9730,7 +9730,13 @@ int backend_session_begin (hashcat_ctx_t *hashcat_ctx)
 
         if (next[0] == '#') continue;
 
-        tuning_db_process_line (hashcat_ctx, next, line_num);
+        char *search_name = NULL;
+
+        hc_asprintf (&search_name, "MODULE_%02d_%s", device_param->device_id, next);
+
+        tuning_db_process_line (hashcat_ctx, search_name, line_num);
+
+        hcfree (search_name);
 
       } while ((next = strtok_r ((char *) NULL, "\n", &saveptr)) != NULL);
 
@@ -9891,13 +9897,31 @@ int backend_session_begin (hashcat_ctx_t *hashcat_ctx)
 
     tuning_db_entry_t *tuningdb_entry = NULL;
 
-    if (user_options->slow_candidates == true)
+    for (int i = 0; i < 2; i++)
     {
-      tuningdb_entry = tuning_db_search (hashcat_ctx, device_param->device_name, device_param->opencl_device_type, 0, hashconfig->hash_mode);
+      char *search_name = NULL;
-    }
+
-    else
+      if (i == 0)
-    {
+      {
-      tuningdb_entry = tuning_db_search (hashcat_ctx, device_param->device_name, device_param->opencl_device_type, user_options->attack_mode, hashconfig->hash_mode);
+        hc_asprintf (&search_name, "MODULE_%02d_%s", device_param->device_id, device_param->device_name);
+      }
+      else
+      {
+        search_name = device_param->device_name;
+      }
+
+      if (user_options->slow_candidates == true)
+      {
+        tuningdb_entry = tuning_db_search (hashcat_ctx, search_name, device_param->opencl_device_type, 0, hashconfig->hash_mode);
+      }
+      else
+      {
+        tuningdb_entry = tuning_db_search (hashcat_ctx, search_name, device_param->opencl_device_type, user_options->attack_mode, hashconfig->hash_mode);
+      }
+
+      if (i == 0) hcfree (search_name);
+
+      if (tuningdb_entry != NULL) break;
     }
 
     // user commandline option override tuning db

src/bridges/bridge_python_generic_hash_mp.mk

@@ -1,7 +1,39 @@
+REPORT_MISSING_SO  := false
+REPORT_MISSING_DLL := false
 
-PYTHON_CFLAGS     := `python3-config --includes`
+ifeq ($(BRIDGE_SUFFIX),so)
-# See BUILD_WSL.md how to prepare $(WIN_PYTHON)
+ifeq ($(REPORT_MISSING_SO),false)
+PYTHON_CONFIG := $(shell command -v python3-config 2>/dev/null)
+ifeq ($(PYTHON_CONFIG),)
+	REPORT_MISSING_SO := true
+endif
+endif
+ifeq ($(REPORT_MISSING_SO),false)
+PYTHON_CFLAGS := $(shell python3-config --includes 2>/dev/null)
+ifeq ($(strip $(PYTHON_CFLAGS)),)
+	REPORT_MISSING_SO := true
+endif
+endif
+endif
+
+CHECK_DLL := false
+
+ifeq ($(BRIDGE_SUFFIX),dll)
+  CHECK_DLL := true
+endif
+ifeq ($(BUILD_MODE),cross)
+  CHECK_DLL := true
+endif
+
+ifeq ($(CHECK_DLL),true)
+ifeq ($(REPORT_MISSING_DLL),false)
+PYTHON_CONFIG := $(shell ls $(WIN_PYTHON)/mingw64/include/python3.12/ 2>/dev/null)
+ifeq ($(PYTHON_CONFIG),)
+	REPORT_MISSING_DLL := true
+endif
+endif
 PYTHON_CFLAGS_WIN := -I$(WIN_PYTHON)/mingw64/include/python3.12/
+endif
 
 ifeq ($(BUILD_MODE),cross)
 bridges/bridge_python_generic_hash_mp.so:  src/bridges/bridge_python_generic_hash_mp.c src/cpu_features.c obj/combined.LINUX.a
@@ -17,3 +49,26 @@ bridges/bridge_python_generic_hash_mp.$(BRIDGE_SUFFIX): src/bridges/bridge_pytho
 	$(CC)       $(CCFLAGS) $(CFLAGS_NATIVE)       $^ -o $@ $(LFLAGS_NATIVE)      -shared -fPIC -D BRIDGE_INTERFACE_VERSION_CURRENT=$(BRIDGE_INTERFACE_VERSION) $(PYTHON_CFLAGS)
 endif
 endif
+
+RED = \033[1;31m
+RESET = \033[0m
+
+ifeq ($(REPORT_MISSING_DLL),true)
+bridges/bridge_python_generic_hash_mp.dll:
+	@echo ""
+	@echo "$(RED)WARNING$(RESET): Skipping regular plugin 70300: Python Windows headers not found."
+	@echo "         To use -m 70300, you must install the required Python headers."
+	@echo "         Otherwise, you can safely ignore this warning."
+	@echo "         See BUILD_WSL.md how to prepare $(WIN_PYTHON)."
+	@echo ""
+endif
+
+ifeq ($(REPORT_MISSING_SO),true)
+bridges/bridge_python_generic_hash_mp.so:
+	@echo ""
+	@echo "$(RED)WARNING$(RESET): Skipping regular plugin 70300: Python headers not found."
+	@echo "         To use -m 70300, you must install the required Python headers."
+	@echo "         Otherwise, you can safely ignore this warning."
+	@echo "         For more information, see 'docs/hashcat-python-plugin-requirements.md'."
+	@echo ""
+endif

src/bridges/bridge_python_generic_hash_sp.mk

@@ -1,7 +1,51 @@
+REPORT_MISSING_SO  := false
+REPORT_MISSING_DLL := false
 
-PYTHON_CFLAGS     := `python3-config --includes`
+ifeq ($(BRIDGE_SUFFIX),so)
-# See BUILD_WSL.md how to prepare $(WIN_PYTHON)
+ifeq ($(REPORT_MISSING_SO),false)
+PYTHON_CONFIG := $(shell command -v python3-config 2>/dev/null)
+ifeq ($(PYTHON_CONFIG),)
+	REPORT_MISSING_SO := true
+endif
+endif
+ifeq ($(REPORT_MISSING_SO),false)
+PYTHON_CFLAGS := $(shell python3-config --includes 2>/dev/null)
+ifeq ($(strip $(PYTHON_CFLAGS)),)
+	REPORT_MISSING_SO := true
+endif
+endif
+ifeq ($(REPORT_MISSING_SO),false)
+PYTHON_INCLUDE_PATH := $(shell echo "$(PYTHON_CFLAGS)" | sed -n 's/-I\([^ ]*\).*/\1/p')
+ifeq ($(PYTHON_INCLUDE_PATH),)
+	REPORT_MISSING_SO := true
+endif
+endif
+ifeq ($(REPORT_MISSING_SO),false)
+PYTHON_HAS_OWN_GIL := $(shell grep -r -q 'PyInterpreterConfig_OWN_GIL' "$(PYTHON_INCLUDE_PATH)" && echo true || echo false)
+ifeq ($(PYTHON_HAS_OWN_GIL),false)
+	REPORT_MISSING_SO := true
+endif
+endif
+endif
+
+CHECK_DLL := false
+
+ifeq ($(BRIDGE_SUFFIX),dll)
+  CHECK_DLL := true
+endif
+ifeq ($(BUILD_MODE),cross)
+  CHECK_DLL := true
+endif
+
+ifeq ($(CHECK_DLL),true)
+ifeq ($(REPORT_MISSING_DLL),false)
+PYTHON_CONFIG := $(shell ls $(WIN_PYTHON)/mingw64/include/python3.12/ 2>/dev/null)
+ifeq ($(PYTHON_CONFIG),)
+	REPORT_MISSING_DLL := true
+endif
+endif
 PYTHON_CFLAGS_WIN := -I$(WIN_PYTHON)/mingw64/include/python3.12/
+endif
 
 ifeq ($(BUILD_MODE),cross)
 bridges/bridge_python_generic_hash_sp.so:  src/bridges/bridge_python_generic_hash_sp.c src/cpu_features.c obj/combined.LINUX.a
@@ -18,25 +62,20 @@ bridges/bridge_python_generic_hash_sp.$(BRIDGE_SUFFIX): src/bridges/bridge_pytho
 endif
 endif
 
-ifeq ($(BRIDGE_SUFFIX),so)
-
-PYTHON_INCLUDE_PATH := $(shell echo "$(PYTHON_CFLAGS)" | sed -n 's/-I\([^ ]*\).*/\1/p')
-PYTHON_HAS_OWN_GIL := $(shell grep -r -q 'PyInterpreterConfig_OWN_GIL' "$(PYTHON_INCLUDE_PATH)" && echo true || echo false)
-
-REPORTS_MISSING := false
-
-ifeq ($(PYTHON_INCLUDE_PATH),)
-	REPORTS_MISSING := true
-endif
-
-ifeq ($(PYTHON_HAS_OWN_GIL),false)
-	REPORTS_MISSING := true
-endif
-
 RED = \033[1;31m
 RESET = \033[0m
 
-ifeq ($(REPORTS_MISSING),true)
+ifeq ($(REPORT_MISSING_DLL),true)
+bridges/bridge_python_generic_hash_sp.dll:
+	@echo ""
+	@echo "$(RED)WARNING$(RESET): Skipping freethreaded plugin 70200: Python Windows headers not found."
+	@echo "         To use -m 70200, you must install the required Python headers."
+	@echo "         Otherwise, you can safely ignore this warning."
+	@echo "         See BUILD_WSL.md how to prepare $(WIN_PYTHON)."
+	@echo ""
+endif
+
+ifeq ($(REPORT_MISSING_SO),true)
 bridges/bridge_python_generic_hash_sp.so:
 	@echo ""
 	@echo "$(RED)WARNING$(RESET): Skipping freethreaded plugin 70200: Python 3.12+ headers not found."
@@ -45,5 +84,3 @@ bridges/bridge_python_generic_hash_sp.so:
 	@echo "         For more information, see 'docs/hashcat-python-plugin-requirements.md'."
 	@echo ""
 endif
-
-endif