3 files changed, 48 insertions, 2 deletions

diff --git a/src/internal/ntapi.c b/src/internal/ntapi.c
index 336b5db..da91cfe 100644
--- a/src/internal/ntapi.c
+++ b/src/internal/ntapi.c
@@ -130,6 +130,20 @@ static int32_t __fastcall __ntapi_init_once(ntapi_vtbl ** pvtbl)
 	if (status != NT_STATUS_SUCCESS)
 		return status;
 
+	/* ipc connection list */
+	if ((status = dalist_init_ex(
+			&internals->ipc_conns,
+			sizeof(nt_ipc_conn),
+			NT_ALLOCATION_GRANULARITY,
+			__ntapi_ipc_page_alloc,
+			DALIST_MEMFN_CUSTOM)))
+		return status;
+
+	dalist_deposit_memory_block(
+		&internals->ipc_conns,
+		&__ntapi_img_bss.ipc_buffer,
+		__NT_BSS_IPC_BUFFER_SIZE);
+
 	/* hashed import table */
 	__ntapi_tt_populate_hashed_import_table(
 		pe_get_ntdll_module_handle(),
@@ -165,6 +179,12 @@ static int32_t __fastcall __ntapi_init_once(ntapi_vtbl ** pvtbl)
 	__ntapi->tt_open_logical_parent_directory		= __ntapi_tt_open_logical_parent_directory;
 	__ntapi->tt_open_physical_parent_directory		= __ntapi_tt_open_physical_parent_directory;
 
+	/* nt_ipc.h */
+	__ntapi->ipc_connect_by_attr				= __ntapi_ipc_connect_by_attr;
+	__ntapi->ipc_connect_by_name				= __ntapi_ipc_connect_by_name;
+	__ntapi->ipc_connect_by_symlink				= __ntapi_ipc_connect_by_symlink;
+	__ntapi->ipc_connect_by_port				= __ntapi_ipc_connect_by_port;
+
 	/* nt_ldr.h */
 	__ntapi->ldr_load_system_dll				= __ntapi_ldr_load_system_dll;
 	__ntapi->ldr_create_state_snapshot			= __ntapi_ldr_create_state_snapshot;
diff --git a/src/internal/ntapi_fnapi.h b/src/internal/ntapi_fnapi.h
index 546c335..8ff01f5 100644
--- a/src/internal/ntapi_fnapi.h
+++ b/src/internal/ntapi_fnapi.h
@@ -46,6 +46,10 @@ ntapi_tt_open_physical_parent_directory		__ntapi_tt_open_physical_parent_directo
 
 
 /* nt_ipc.h */
+ntapi_ipc_connect_by_attr			__ntapi_ipc_connect_by_attr;
+ntapi_ipc_connect_by_name			__ntapi_ipc_connect_by_name;
+ntapi_ipc_connect_by_symlink			__ntapi_ipc_connect_by_symlink;
+ntapi_ipc_connect_by_port			__ntapi_ipc_connect_by_port;
 ntapi_ipc_create_pipe				__ntapi_ipc_create_pipe_v1;
 ntapi_ipc_create_pipe				__ntapi_ipc_create_pipe_v2;
 
diff --git a/src/internal/ntapi_impl.h b/src/internal/ntapi_impl.h
index aca201b..870e5fd 100644
--- a/src/internal/ntapi_impl.h
+++ b/src/internal/ntapi_impl.h
@@ -39,6 +39,10 @@
 #ifndef __NT_SYNC_BLOCK_LOCK_TRIES
 #define __NT_SYNC_BLOCK_LOCK_TRIES	1024
 #endif
+
+#ifndef __NT_IPC_PAGES
+#define __NT_IPC_PAGES			64
+#endif
 /* user-defined options: tail */
 
 /* internal page size */
@@ -48,23 +52,27 @@
 
 /* .bss section */
 #ifndef __NT_BSS_RESERVED_PAGES
-#define __NT_BSS_RESERVED_PAGES		8
+#define __NT_BSS_RESERVED_PAGES		10
 #endif
 
 /* runtime buffers */
 #define __NT_BSS_ARGV_BUFFER_SIZE	__NT_INTERNAL_PAGE_SIZE * 2
 
+#define __NT_BSS_IPC_BUFFER_SIZE	__NT_INTERNAL_PAGE_SIZE * 2
+
 #define __NT_BSS_ARGV_MAX_IDX		__NT_BSS_ARGV_BUFFER_SIZE \
 					/ sizeof(uintptr_t)
 
 #define __NT_BSS_ARGS_BUFFER_SIZE	__NT_INTERNAL_PAGE_SIZE \
 					* __NT_BSS_RESERVED_PAGES \
-					- __NT_BSS_ARGV_BUFFER_SIZE
+					- __NT_BSS_ARGV_BUFFER_SIZE \
+					- __NT_BSS_IPC_BUFFER_SIZE
 
 /* ntapi .bss section structure */
 typedef struct ___ntapi_img_sec_bss {
 	wchar16_t *	argv_envp_array[__NT_BSS_ARGV_MAX_IDX];
 	char		args_envs_buffer[__NT_BSS_ARGS_BUFFER_SIZE];
+	size_t		ipc_buffer[__NT_BSS_IPC_BUFFER_SIZE / sizeof(size_t)];
 } __ntapi_img_sec_bss;
 
 
@@ -85,6 +93,9 @@ typedef struct __attr_ptr_size_aligned__ _ntapi_internals {
 	void **						csr_port_handle_addr;
 	void *						hdev_mount_point_mgr;
 	void *						hany[8];
+	struct dalist_ex				ipc_conns;
+	void *						ipc_pages[__NT_IPC_PAGES];
+	int32_t						ipc_page;
 	intptr_t					hlock;
 	uintptr_t					v1_pipe_counter;
 	ntapi_tt_get_csr_port_handle_addr_by_logic *	tt_get_csr_port_handle_addr_by_logic;
@@ -92,6 +103,15 @@ typedef struct __attr_ptr_size_aligned__ _ntapi_internals {
 } ntapi_internals;
 
 
+/* ipc internals */
+typedef struct _nt_ipc_conn {
+	nt_port_attr	attr;
+	void *		hsection;
+	void *		secaddr;
+	size_t		secsize;
+} nt_ipc_conn;
+
+
 /* __ntapi_img_sec_data */
 typedef struct __attr_ptr_size_aligned__ ___ntapi_img_sec_rdata {
 	ntapi_hashed_symbol	__ntapi_import_table[__NT_IMPORTED_SYMBOLS_ARRAY_SIZE];
@@ -120,6 +140,8 @@ ntapi_internals * __cdecl __ntapi_internals(void);
 int32_t __ntapi_tt_open_file_utf8(void ** hfile, void * hat, const char * arg, int fprivate, wchar16_t *, uint32_t);
 int32_t __ntapi_tt_open_dir_utf8(void ** hfile, void * hat, const char * arg, int fprivate, wchar16_t *, uint32_t);
 
+/* ipc internals */
+int __ntapi_ipc_page_alloc(struct dalist_ex * dlist, void ** addr, size_t * alloc_size);
 
 /* debug */
 #define __ntidx(x) (&(((ntapi_vtbl *)0)->x)) / sizeof(size_t)