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-rw-r--r--include/pemagine/pemagine.h18
-rw-r--r--project/common.mk1
-rw-r--r--src/internal/pe_os.h10
-rw-r--r--src/ldso/pe_find_framework_loader.c271
4 files changed, 300 insertions, 0 deletions
diff --git a/include/pemagine/pemagine.h b/include/pemagine/pemagine.h
index 61ffb7a..8b7e0a9 100644
--- a/include/pemagine/pemagine.h
+++ b/include/pemagine/pemagine.h
@@ -19,6 +19,12 @@ enum pe_callback_reason {
};
+/* ldso flags */
+#define PE_LDSO_INTEGRAL_ONLY 0x00000000
+#define PE_LDSO_DEFAULT_EXECUTABLE 0x00000001
+#define PE_LDSO_STANDALONE_EXECUTABLE 0x00000002
+
+
/* library specific structures */
struct pe_export_sym {
uint32_t * ordinal_base;
@@ -137,6 +143,8 @@ struct pe_framework_runtime_data {
void * hparent;
void * himage;
void * hroot;
+ void * hdsodir;
+ void * hloader;
void * hcwd;
void * hdrive;
struct pe_guid abi;
@@ -238,6 +246,16 @@ pe_api int32_t pe_get_framework_runtime_data(
const wchar16_t * cmdline,
const struct pe_guid * abi);
+pe_api int32_t pe_find_framework_loader(
+ struct pe_framework_runtime_data * rtdata,
+ const wchar16_t * basename,
+ const wchar16_t * rrelname,
+ void * refaddr,
+ uintptr_t * buffer,
+ uint32_t bufsize,
+ uint32_t flags);
+
+
pe_api int32_t pe_open_image_from_addr(
void ** himage,
void * addr,
diff --git a/project/common.mk b/project/common.mk
index 40bfe21..5158c04 100644
--- a/project/common.mk
+++ b/project/common.mk
@@ -12,6 +12,7 @@ API_SRCS = \
src/imports/pe_enum_image_import_hdrs.c \
src/ldso/pe_get_framework_runtime_data.c \
src/ldso/pe_get_peb_strings.c \
+ src/ldso/pe_find_framework_loader.c \
src/ldso/pe_open_image_from_addr.c \
src/ldso/pe_open_physical_parent_directory.c \
src/meta/pe_get_image_stack_heap_info.c \
diff --git a/src/internal/pe_os.h b/src/internal/pe_os.h
index d0dc903..ad26de4 100644
--- a/src/internal/pe_os.h
+++ b/src/internal/pe_os.h
@@ -9,11 +9,17 @@
#define OS_STATUS_NO_MATCH 0xC0000272
#define OS_STATUS_INVALID_ADDRESS 0xC0000141
#define OS_STATUS_CONTEXT_MISMATCH 0xC0000719
+#define OS_STATUS_COULD_NOT_INTERPRET 0xC00000B9
+#define OS_STATUS_NAME_TOO_LONG 0xC0000106
#define OS_STATUS_INTERNAL_ERROR 0xC00000E5
#define OS_STATUS_BAD_FILE_TYPE 0xC0000903
#define OS_STATUS_OBJECT_NAME_NOT_FOUND 0xC0000034
+#define OS_STATUS_OBJECT_PATH_NOT_FOUND 0xC000003A
#define OS_STATUS_MORE_PROCESSING_REQUIRED 0xC0000016
+#define OS_OBJ_INHERIT 0x00000002
+#define OS_OBJ_CASE_INSENSITIVE 0x00000040
+
#define OS_SEC_SYNCHRONIZE 0x00100000
#define OS_FILE_READ_ACCESS 0x00000001
#define OS_FILE_READ_ATTRIBUTES 0x00000080
@@ -113,6 +119,10 @@ struct os_peb {
};
+typedef int32_t __stdcall os_zw_close(
+ __in void * handle);
+
+
typedef int32_t __stdcall os_zw_query_object(
__in void * handle,
__in int obj_info_class,
diff --git a/src/ldso/pe_find_framework_loader.c b/src/ldso/pe_find_framework_loader.c
new file mode 100644
index 0000000..df18655
--- /dev/null
+++ b/src/ldso/pe_find_framework_loader.c
@@ -0,0 +1,271 @@
+/*****************************************************************************/
+/* pemagination: a (virtual) tour into portable bits and executable bytes */
+/* Copyright (C) 2013--2017 Z. Gilboa */
+/* Released under GPLv2 and GPLv3; see COPYING.PEMAGINE. */
+/*****************************************************************************/
+
+#include <psxtypes/psxtypes.h>
+#include <pemagine/pemagine.h>
+#include "pe_os.h"
+
+int32_t pe_find_framework_loader(
+ struct pe_framework_runtime_data * rtdata,
+ const wchar16_t * basename,
+ const wchar16_t * rrelname,
+ void * refaddr,
+ uintptr_t * buffer,
+ uint32_t bufsize,
+ uint32_t flags)
+{
+ int32_t status;
+ struct pe_unicode_str path;
+ struct os_oa oa;
+ struct os_iosb iosb;
+ void * himage;
+ void * himgdir;
+ void * hdsodir;
+ void * hloader;
+ void * hparent;
+ void * hprevious;
+ const wchar16_t * wch;
+ const wchar16_t * wch_cap;
+ void * hntdll;
+ os_zw_close * zw_close;
+ os_zw_open_file * zw_open_file;
+
+ /* init */
+ if (!(hntdll = pe_get_ntdll_module_handle()))
+ return OS_STATUS_INTERNAL_ERROR;
+
+ if (!(zw_close = (os_zw_close *)pe_get_procedure_address(
+ hntdll,"ZwClose")))
+ return OS_STATUS_INTERNAL_ERROR;
+
+ if (!(zw_open_file = (os_zw_open_file *)pe_get_procedure_address(
+ hntdll,"ZwOpenFile")))
+ return OS_STATUS_INTERNAL_ERROR;
+
+ /* flags */
+ if (flags == PE_LDSO_INTEGRAL_ONLY)
+ (void)0;
+ else if (flags == PE_LDSO_DEFAULT_EXECUTABLE)
+ (void)0;
+ else if (flags == PE_LDSO_STANDALONE_EXECUTABLE)
+ (void)0;
+ else
+ return OS_STATUS_INVALID_PARAMETER;
+
+ /* oa */
+ oa.len = sizeof(struct os_oa);
+ oa.root_dir = 0;
+ oa.obj_name = &path;
+ oa.obj_attr = OS_OBJ_CASE_INSENSITIVE;
+ oa.sec_desc = 0;
+ oa.sec_qos = 0;
+
+ /* standalone executable? */
+ if (flags == PE_LDSO_STANDALONE_EXECUTABLE) {
+ wch = basename;
+ wch_cap = basename + 512;
+
+ for (; *wch && wch<wch_cap; wch++)
+ if ((*wch == '\\') != (*wch == '/'))
+ return OS_STATUS_INVALID_PARAMETER;
+
+ if (*wch)
+ return OS_STATUS_NAME_TOO_LONG;
+
+ path.buffer = (wchar16_t *)basename;
+ path.strlen = sizeof(wchar16_t) * (wch - basename);
+ path.maxlen = 0;
+
+ if ((status = pe_open_image_from_addr(
+ &himage,refaddr,
+ buffer,bufsize,
+ 0,
+ OS_SEC_SYNCHRONIZE
+ | OS_FILE_READ_ACCESS
+ | OS_FILE_READ_ATTRIBUTES,
+ OS_FILE_SHARE_READ
+ | OS_FILE_SHARE_WRITE
+ | OS_FILE_SHARE_DELETE,
+ 0)))
+ return status;
+
+ if ((status = pe_open_physical_parent_directory(
+ &hdsodir,himage,
+ buffer,bufsize,
+ 0,
+ OS_SEC_SYNCHRONIZE
+ | OS_FILE_READ_ACCESS
+ | OS_FILE_READ_ATTRIBUTES,
+ OS_FILE_SHARE_READ
+ | OS_FILE_SHARE_WRITE
+ | OS_FILE_SHARE_DELETE,
+ 0)))
+ return status;
+
+ oa.root_dir = hdsodir;
+
+ if ((status = zw_open_file(
+ &hloader,
+ OS_SEC_SYNCHRONIZE
+ | OS_FILE_READ_ACCESS
+ | OS_FILE_READ_ATTRIBUTES,
+ &oa,&iosb,
+ OS_FILE_SHARE_READ
+ | OS_FILE_SHARE_WRITE
+ | OS_FILE_SHARE_DELETE,
+ OS_FILE_NON_DIRECTORY_FILE)))
+ return status;
+
+ rtdata->hdsodir = hdsodir;
+ rtdata->hloader = hloader;
+ rtdata->himage = himage;
+
+ return OS_STATUS_SUCCESS;
+ }
+
+ /* root-relative loader path */
+ wch = rrelname;
+ wch_cap = rrelname + 512;
+
+ for (; *wch && wch<wch_cap; )
+ wch++;
+
+ if (*wch)
+ return OS_STATUS_NAME_TOO_LONG;
+
+ path.buffer = (wchar16_t *)rrelname;
+ path.strlen = sizeof(wchar16_t) * (wch - rrelname);
+ path.maxlen = 0;
+
+ /* inherited root directory? */
+ if (rtdata->hroot) {
+ oa.root_dir = rtdata->hroot;
+
+ if ((status = zw_open_file(
+ &hloader,
+ OS_SEC_SYNCHRONIZE
+ | OS_FILE_READ_ACCESS
+ | OS_FILE_READ_ATTRIBUTES,
+ &oa,&iosb,
+ OS_FILE_SHARE_READ
+ | OS_FILE_SHARE_WRITE
+ | OS_FILE_SHARE_DELETE,
+ OS_FILE_NON_DIRECTORY_FILE)))
+ return status;
+
+ rtdata->hdsodir = 0;
+ rtdata->hloader = hloader;
+ rtdata->himage = himage;
+
+ return OS_STATUS_SUCCESS;
+ }
+
+ /* integral only and no inherited root directory? */
+ if (flags == PE_LDSO_INTEGRAL_ONLY)
+ return OS_STATUS_COULD_NOT_INTERPRET;
+
+ /* finde Pluto / find Waldo */
+ if ((status = pe_open_image_from_addr(
+ &himage,refaddr,
+ buffer,bufsize,
+ 0,
+ OS_SEC_SYNCHRONIZE
+ | OS_FILE_READ_ACCESS
+ | OS_FILE_READ_ATTRIBUTES,
+ OS_FILE_SHARE_READ
+ | OS_FILE_SHARE_WRITE
+ | OS_FILE_SHARE_DELETE,
+ 0)))
+ return status;
+
+ if ((status = pe_open_physical_parent_directory(
+ &himgdir,himage,
+ buffer,bufsize,
+ 0,
+ OS_SEC_SYNCHRONIZE
+ | OS_FILE_READ_ACCESS
+ | OS_FILE_READ_ATTRIBUTES,
+ OS_FILE_SHARE_READ
+ | OS_FILE_SHARE_WRITE
+ | OS_FILE_SHARE_DELETE,
+ 0)))
+ return status;
+
+ if ((status = pe_open_physical_parent_directory(
+ &hparent,himgdir,
+ buffer,bufsize,
+ OS_OBJ_INHERIT,
+ OS_SEC_SYNCHRONIZE
+ | OS_FILE_READ_ACCESS
+ | OS_FILE_READ_ATTRIBUTES,
+ OS_FILE_SHARE_READ
+ | OS_FILE_SHARE_WRITE
+ | OS_FILE_SHARE_DELETE,
+ 0)))
+ return status;
+
+ zw_close(himgdir);
+
+ hloader = 0;
+ oa.root_dir = hparent;
+
+ status = zw_open_file(
+ &hloader,
+ OS_SEC_SYNCHRONIZE
+ | OS_FILE_READ_ACCESS
+ | OS_FILE_READ_ATTRIBUTES,
+ &oa,&iosb,
+ OS_FILE_SHARE_READ
+ | OS_FILE_SHARE_WRITE
+ | OS_FILE_SHARE_DELETE,
+ OS_FILE_NON_DIRECTORY_FILE);
+
+ while (!hloader) {
+ if (status == (int32_t)OS_STATUS_OBJECT_NAME_NOT_FOUND)
+ (void)0;
+ else if (status == (int32_t)OS_STATUS_OBJECT_PATH_NOT_FOUND)
+ (void)0;
+ else
+ return status;
+
+ hprevious = hparent;
+
+ if ((status = pe_open_physical_parent_directory(
+ &hparent,hprevious,
+ buffer,bufsize,
+ OS_OBJ_INHERIT,
+ OS_SEC_SYNCHRONIZE
+ | OS_FILE_READ_ACCESS
+ | OS_FILE_READ_ATTRIBUTES,
+ OS_FILE_SHARE_READ
+ | OS_FILE_SHARE_WRITE
+ | OS_FILE_SHARE_DELETE,
+ 0)))
+ return status;
+
+ oa.root_dir = hparent;
+
+ status = zw_open_file(
+ &hloader,
+ OS_SEC_SYNCHRONIZE
+ | OS_FILE_READ_ACCESS
+ | OS_FILE_READ_ATTRIBUTES,
+ &oa,&iosb,
+ OS_FILE_SHARE_READ
+ | OS_FILE_SHARE_WRITE
+ | OS_FILE_SHARE_DELETE,
+ OS_FILE_NON_DIRECTORY_FILE);
+
+ zw_close(hprevious);
+ }
+
+ rtdata->hdsodir = 0;
+ rtdata->hloader = hloader;
+ rtdata->himage = himage;
+ rtdata->hroot = hparent;
+
+ return OS_STATUS_SUCCESS;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 19:50:45 +0000