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first commit of the library

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- added multiple functions to communication to /dev/iosuhax over ioctl command
- added multi functional devoptab for mounting and/or mapping devices to virtual device names
This commit is contained in:
dimok789 2016-11-17 20:36:25 +01:00
commit 57e2197d1f
7 changed files with 1968 additions and 0 deletions
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2
.gitignore vendored Normal file
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/*.a
/build

113
Makefile Normal file
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#---------------------------------------------------------------------------------
# Clear the implicit built in rules
#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------
ifeq ($(strip $(DEVKITPPC)),)
$(error "Please set DEVKITPPC in your environment. export DEVKITPPC=<path to>devkitPPC")
endif
include $(DEVKITPPC)/wii_rules
#---------------------------------------------------------------------------------
# BUILD is the directory where object files & intermediate files will be placed
# SOURCES is a list of directories containing source code
# INCLUDES is a list of directories containing extra header files
#---------------------------------------------------------------------------------
BUILD := build
SOURCES := source
INCLUDES := iosuhax.h iosuhax_devoptab.h
LIBTARGET := libiosuhax.a
#---------------------------------------------------------------------------------
# installation parameters
#---------------------------------------------------------------------------------
LIBINSTALL := $(PORTLIBS)/lib
HDRINSTALL := $(PORTLIBS)/include
#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
CFLAGS = -O2 -Wall -Wno-unused $(MACHDEP) $(INCLUDE) -DHAVE_CONFIG_H
CXXFLAGS = $(CFLAGS)
ASFLAGS := -g
#---------------------------------------------------------------------------------
# any extra libraries we wish to link with the project
#---------------------------------------------------------------------------------
LIBS :=
#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS :=
#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------
ifneq ($(BUILD),$(notdir $(CURDIR)))
#---------------------------------------------------------------------------------
export DEPSDIR := $(CURDIR)/$(BUILD)
export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
$(foreach dir,$(DATA),$(CURDIR)/$(dir))
CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
export OFILES := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
export INCLUDE := $(foreach dir,$(LIBDIRS),-I$(dir)/include) \
$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
-I$(CURDIR)/$(BUILD) -I$(LIBOGC_INC) \
-I$(PORTLIBS)/include
export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib) \
-L$(LIBOGC_LIB) -L$(PORTLIBS)/lib
.PHONY: $(BUILD) clean
#---------------------------------------------------------------------------------
$(BUILD):
@[ -d $@ ] || mkdir -p $@
@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
#---------------------------------------------------------------------------------
all: $(LIBTARGET)
clean:
@echo clean ...
@rm -fr $(BUILD) $(LIBTARGET)
install: $(LIBTARGET)
@[ -d $(LIBINSTALL) ] || mkdir -p $(LIBINSTALL)
@[ -d $(HDRINSTALL) ] || mkdir -p $(HDRINSTALL)
cp $(foreach incl,$(INCLUDES),$(SOURCES)/$(incl)) $(HDRINSTALL)
cp $(LIBTARGET) $(LIBINSTALL)
#---------------------------------------------------------------------------------
else
DEPENDS := $(OFILES:.o=.d)
#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(LIBTARGET): $(OFILES)
@rm -f "../$(LIBTARGET)"
@$(AR) rcs "../$(LIBTARGET)" $(OFILES)
@echo built $(notdir $@)
$(LIBDIR)/$(PLATFORM):
mkdir -p ../$(LIBDIR)/$(PLATFORM)
-include $(DEPENDS)
#---------------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------------

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/***************************************************************************
* Copyright (C) 2016
* by Dimok
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any
* damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any
* purpose, including commercial applications, and to alter it and
* redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you
* must not claim that you wrote the original software. If you use
* this software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and
* must not be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
***************************************************************************/
#include <string.h>
#include <malloc.h>
#include <gctypes.h>
#include "os_functions.h"
#include "iosuhax.h"
#define IOCTL_MEM_WRITE 0x00
#define IOCTL_MEM_READ 0x01
#define IOCTL_SVC 0x02
#define IOCTL_MEMCPY 0x04
#define IOCTL_REPEATED_WRITE 0x05
#define IOCTL_KERN_READ32 0x06
#define IOCTL_KERN_WRITE32 0x07
#define IOCTL_FSA_OPEN 0x40
#define IOCTL_FSA_CLOSE 0x41
#define IOCTL_FSA_MOUNT 0x42
#define IOCTL_FSA_UNMOUNT 0x43
#define IOCTL_FSA_GETDEVICEINFO 0x44
#define IOCTL_FSA_OPENDIR 0x45
#define IOCTL_FSA_READDIR 0x46
#define IOCTL_FSA_CLOSEDIR 0x47
#define IOCTL_FSA_MAKEDIR 0x48
#define IOCTL_FSA_OPENFILE 0x49
#define IOCTL_FSA_READFILE 0x4A
#define IOCTL_FSA_WRITEFILE 0x4B
#define IOCTL_FSA_STATFILE 0x4C
#define IOCTL_FSA_CLOSEFILE 0x4D
#define IOCTL_FSA_SETFILEPOS 0x4E
#define IOCTL_FSA_GETSTAT 0x4F
#define IOCTL_FSA_REWINDDIR 0x51
#define IOCTL_FSA_CHDIR 0x52
static int iosuhaxHandle = -1;
int IOSUHAX_Open(void)
{
if(iosuhaxHandle >= 0)
return iosuhaxHandle;
iosuhaxHandle = IOS_Open("/dev/iosuhax", 0);
return iosuhaxHandle;
}
int IOSUHAX_Close(void)
{
if(iosuhaxHandle < 0)
return 0;
int res = IOS_Close(iosuhaxHandle);
iosuhaxHandle = -1;
return res;
}
int IOSUHAX_memwrite(u32 address, const u8 * buffer, u32 size)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
u32 *io_buf = (u32*)memalign(0x20, size + 4);
if(!io_buf)
return -2;
io_buf[0] = address;
memcpy(io_buf + 1, buffer, size);
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_MEM_WRITE, io_buf, size + 4, 0, 0);
free(io_buf);
return res;
}
int IOSUHAX_memread(u32 address, u8 * out_buffer, u32 size)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
return IOS_Ioctl(iosuhaxHandle, IOCTL_MEM_READ, &address, sizeof(address), out_buffer, size);
}
int IOSUHAX_memcpy(u32 dst, u32 src, u32 size)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
u32 io_buf[3];
io_buf[0] = dst;
io_buf[1] = src;
io_buf[2] = size;
return IOS_Ioctl(iosuhaxHandle, IOCTL_MEMCPY, io_buf, sizeof(io_buf), 0, 0);
}
int IOSUHAX_SVC(u32 svc_id, u32 * args, u32 arg_cnt)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
u32 arguments[9];
arguments[0] = svc_id;
if(args && arg_cnt)
{
if(arg_cnt > 8)
arg_cnt = 8;
memcpy(arguments + 1, args, arg_cnt * 4);
}
int result;
int ret = IOS_Ioctl(iosuhaxHandle, IOCTL_SVC, arguments, (1 + arg_cnt) * 4, &result, sizeof(result));
if(ret < 0)
return ret;
return result;
}
int IOSUHAX_FSA_Open(void)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
int fsaFd;
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_FSA_OPEN, 0, 0, &fsaFd, sizeof(fsaFd));
if(res < 0)
return res;
return fsaFd;
}
int IOSUHAX_FSA_Close(int fsaFd)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_FSA_CLOSE, &fsaFd, sizeof(fsaFd), &fsaFd, sizeof(fsaFd));
if(res < 0)
return res;
return fsaFd;
}
int IOSUHAX_FSA_Mount(int fsaFd, const char* device_path, const char* volume_path, u32 flags, const char* arg_string, int arg_string_len)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
const int input_cnt = 6;
int io_buf_size = (sizeof(u32) * input_cnt) + strlen(device_path) + strlen(volume_path) + arg_string_len + 3;
u32 *io_buf = (u32*)memalign(0x20, io_buf_size);
if(!io_buf)
return -2;
memset(io_buf, 0, io_buf_size);
io_buf[0] = fsaFd;
io_buf[1] = sizeof(u32) * input_cnt;
io_buf[2] = io_buf[1] + strlen(device_path) + 1;
io_buf[3] = flags;
io_buf[4] = arg_string_len ? ( io_buf[2] + strlen(volume_path) + 1) : 0;
io_buf[5] = arg_string_len;
strcpy(((char*)io_buf) + io_buf[1], device_path);
strcpy(((char*)io_buf) + io_buf[2], volume_path);
if(arg_string_len)
memcpy(((char*)io_buf) + io_buf[4], arg_string, arg_string_len);
int mountRes;
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_FSA_MOUNT, io_buf, io_buf_size, &mountRes, sizeof(mountRes));
if(res < 0)
{
free(io_buf);
return res;
}
free(io_buf);
return mountRes;
}
int IOSUHAX_FSA_Unmount(int fsaFd, const char* path, u32 flags)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
const int input_cnt = 3;
int io_buf_size = sizeof(u32) * input_cnt + strlen(path) + 1;
u32 *io_buf = (u32*)memalign(0x20, io_buf_size);
if(!io_buf)
return -2;
io_buf[0] = fsaFd;
io_buf[1] = sizeof(u32) * input_cnt;
io_buf[2] = flags;
strcpy(((char*)io_buf) + io_buf[1], path);
int result;
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_FSA_UNMOUNT, io_buf, io_buf_size, &result, sizeof(result));
if(res < 0)
{
free(io_buf);
return res;
}
free(io_buf);
return result;
}
int IOSUHAX_FSA_GetDeviceInfo(int fsaFd, const char* device_path, int type, u32* out_data)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
const int input_cnt = 3;
int io_buf_size = sizeof(u32) * input_cnt + strlen(device_path) + 1;
u32 *io_buf = (u32*)memalign(0x20, io_buf_size);
if(!io_buf)
return -2;
io_buf[0] = fsaFd;
io_buf[1] = sizeof(u32) * input_cnt;
io_buf[2] = type;
strcpy(((char*)io_buf) + io_buf[1], device_path);
u32 out_buf[1 + 0x64 / 4];
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_FSA_GETDEVICEINFO, io_buf, io_buf_size, out_buf, sizeof(out_buf));
if(res < 0)
{
free(io_buf);
return res;
}
memcpy(out_data, out_buf + 1, 0x64);
free(io_buf);
return out_buf[0];
}
int IOSUHAX_FSA_MakeDir(int fsaFd, const char* path, u32 flags)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
const int input_cnt = 3;
int io_buf_size = sizeof(u32) * input_cnt + strlen(path) + 1;
u32 *io_buf = (u32*)memalign(0x20, io_buf_size);
if(!io_buf)
return -2;
io_buf[0] = fsaFd;
io_buf[1] = sizeof(u32) * input_cnt;
io_buf[2] = flags;
strcpy(((char*)io_buf) + io_buf[1], path);
int result;
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_FSA_MAKEDIR, io_buf, io_buf_size, &result, sizeof(result));
if(res < 0)
{
free(io_buf);
return res;
}
free(io_buf);
return result;
}
int IOSUHAX_FSA_OpenDir(int fsaFd, const char* path, int* outHandle)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
const int input_cnt = 2;
int io_buf_size = sizeof(u32) * input_cnt + strlen(path) + 1;
u32 *io_buf = (u32*)memalign(0x20, io_buf_size);
if(!io_buf)
return -2;
io_buf[0] = fsaFd;
io_buf[1] = sizeof(u32) * input_cnt;
strcpy(((char*)io_buf) + io_buf[1], path);
int result_vec[2];
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_FSA_OPENDIR, io_buf, io_buf_size, result_vec, sizeof(result_vec));
if(res < 0)
{
free(io_buf);
return res;
}
*outHandle = result_vec[1];
free(io_buf);
return result_vec[0];
}
int IOSUHAX_FSA_ReadDir(int fsaFd, int handle, directoryEntry_s* out_data)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
const int input_cnt = 2;
int io_buf_size = sizeof(u32) * input_cnt;
u32 *io_buf = (u32*)memalign(0x20, io_buf_size);
if(!io_buf)
return -2;
io_buf[0] = fsaFd;
io_buf[1] = handle;
int result_vec_size = 4 + sizeof(directoryEntry_s);
u8 *result_vec = (u8*) memalign(0x20, result_vec_size);
if(!result_vec)
{
free(io_buf);
return -2;
}
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_FSA_READDIR, io_buf, io_buf_size, result_vec, result_vec_size);
if(res < 0)
{
free(result_vec);
free(io_buf);
return res;
}
int result = *(int*)result_vec;
memcpy(out_data, result_vec + 4, sizeof(directoryEntry_s));
free(io_buf);
free(result_vec);
return result;
}
int IOSUHAX_FSA_RewindDir(int fsaFd, int dirHandle)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
const int input_cnt = 2;
int io_buf_size = sizeof(u32) * input_cnt;
u32 *io_buf = (u32*)memalign(0x20, io_buf_size);
if(!io_buf)
return -2;
io_buf[0] = fsaFd;
io_buf[1] = dirHandle;
int result;
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_FSA_REWINDDIR, io_buf, io_buf_size, &result, sizeof(result));
if(res < 0)
{
free(io_buf);
return res;
}
free(io_buf);
return result;
}
int IOSUHAX_FSA_CloseDir(int fsaFd, int handle)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
const int input_cnt = 2;
int io_buf_size = sizeof(u32) * input_cnt;
u32 *io_buf = (u32*)memalign(0x20, io_buf_size);
if(!io_buf)
return -2;
io_buf[0] = fsaFd;
io_buf[1] = handle;
int result;
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_FSA_CLOSEDIR, io_buf, io_buf_size, &result, sizeof(result));
if(res < 0)
{
free(io_buf);
return res;
}
free(io_buf);
return result;
}
int IOSUHAX_FSA_ChangeDir(int fsaFd, const char *path)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
const int input_cnt = 2;
int io_buf_size = sizeof(u32) * input_cnt + strlen(path) + 1;
u32 *io_buf = (u32*)memalign(0x20, io_buf_size);
if(!io_buf)
return -2;
io_buf[0] = fsaFd;
io_buf[1] = sizeof(u32) * input_cnt;
strcpy(((char*)io_buf) + io_buf[1], path);
int result;
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_FSA_CHDIR, io_buf, io_buf_size, &result, sizeof(result));
if(res < 0)
{
free(io_buf);
return res;
}
free(io_buf);
return result;
}
int IOSUHAX_FSA_OpenFile(int fsaFd, const char* path, const char* mode, int* outHandle)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
const int input_cnt = 3;
int io_buf_size = sizeof(u32) * input_cnt + strlen(path) + strlen(mode) + 2;
u32 *io_buf = (u32*)memalign(0x20, io_buf_size);
if(!io_buf)
return -2;
io_buf[0] = fsaFd;
io_buf[1] = sizeof(u32) * input_cnt;
io_buf[2] = io_buf[1] + strlen(path) + 1;
strcpy(((char*)io_buf) + io_buf[1], path);
strcpy(((char*)io_buf) + io_buf[2], mode);
int result_vec[2];
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_FSA_OPENFILE, io_buf, io_buf_size, result_vec, sizeof(result_vec));
if(res < 0)
{
free(io_buf);
return res;
}
*outHandle = result_vec[1];
free(io_buf);
return result_vec[0];
}
int IOSUHAX_FSA_ReadFile(int fsaFd, void* data, u32 size, u32 cnt, int fileHandle, u32 flags)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
const int input_cnt = 5;
int io_buf_size = sizeof(u32) * input_cnt;
u32 *io_buf = (u32*)memalign(0x20, io_buf_size);
if(!io_buf)
return -2;
io_buf[0] = fsaFd;
io_buf[1] = size;
io_buf[2] = cnt;
io_buf[3] = fileHandle;
io_buf[4] = flags;
int out_buf_size = ((size * cnt + 0x40) + 0x3F) & ~0x3F;
u32 *out_buffer = (u32*)memalign(0x40, out_buf_size);
if(!out_buffer)
{
free(io_buf);
return -2;
}
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_FSA_READFILE, io_buf, io_buf_size, out_buffer, out_buf_size);
if(res < 0)
{
free(out_buffer);
free(io_buf);
return res;
}
//! data is put to offset 0x40 to align the buffer output
memcpy(data, ((u8*)out_buffer) + 0x40, size * cnt);
int result = out_buffer[0];
free(out_buffer);
free(io_buf);
return result;
}
int IOSUHAX_FSA_WriteFile(int fsaFd, const void* data, u32 size, u32 cnt, int fileHandle, u32 flags)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
const int input_cnt = 5;
int io_buf_size = ((sizeof(u32) * input_cnt + 0x40) + 0x3F) & ~0x3F;
u32 *io_buf = (u32*)memalign(0x20, io_buf_size);
if(!io_buf)
return -2;
io_buf[0] = fsaFd;
io_buf[1] = size;
io_buf[2] = cnt;
io_buf[3] = fileHandle;
io_buf[4] = flags;
//! data is put to offset 0x40 to align the buffer input
memcpy(((u8*)io_buf) + 0x40, data, size * cnt);
int result;
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_FSA_WRITEFILE, io_buf, io_buf_size, &result, sizeof(result));
if(res < 0)
{
free(io_buf);
return res;
}
free(io_buf);
return result;
}
int IOSUHAX_FSA_StatFile(int fsaFd, int fileHandle, fileStat_s* out_data)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
const int input_cnt = 2;
int io_buf_size = sizeof(u32) * input_cnt;
u32 *io_buf = (u32*)memalign(0x20, io_buf_size);
if(!io_buf)
return -2;
io_buf[0] = fsaFd;
io_buf[1] = fileHandle;
int out_buf_size = 4 + sizeof(fileStat_s);
u32 *out_buffer = (u32*)memalign(0x20, out_buf_size);
if(!out_buffer)
{
free(io_buf);
return -2;
}
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_FSA_STATFILE, io_buf, io_buf_size, out_buffer, out_buf_size);
if(res < 0)
{
free(io_buf);
free(out_buffer);
return res;
}
int result = out_buffer[0];
memcpy(out_data, out_buffer + 1, sizeof(fileStat_s));
free(io_buf);
free(out_buffer);
return result;
}
int IOSUHAX_FSA_CloseFile(int fsaFd, int fileHandle)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
const int input_cnt = 2;
int io_buf_size = sizeof(u32) * input_cnt;
u32 *io_buf = (u32*)memalign(0x20, io_buf_size);
if(!io_buf)
return -2;
io_buf[0] = fsaFd;
io_buf[1] = fileHandle;
int result;
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_FSA_CLOSEFILE, io_buf, io_buf_size, &result, sizeof(result));
if(res < 0)
{
free(io_buf);
return res;
}
free(io_buf);
return result;
}
int IOSUHAX_FSA_SetFilePos(int fsaFd, int fileHandle, u32 position)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
const int input_cnt = 3;
int io_buf_size = sizeof(u32) * input_cnt;
u32 *io_buf = (u32*)memalign(0x20, io_buf_size);
if(!io_buf)
return -2;
io_buf[0] = fsaFd;
io_buf[1] = fileHandle;
io_buf[2] = position;
int result;
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_FSA_SETFILEPOS, io_buf, io_buf_size, &result, sizeof(result));
if(res < 0)
{
free(io_buf);
return res;
}
free(io_buf);
return result;
}
int IOSUHAX_FSA_GetStat(int fsaFd, const char *path, fileStat_s* out_data)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
const int input_cnt = 2;
int io_buf_size = sizeof(u32) * input_cnt + strlen(path) + 1;
u32 *io_buf = (u32*)memalign(0x20, io_buf_size);
if(!io_buf)
return -2;
io_buf[0] = fsaFd;
io_buf[1] = sizeof(u32) * input_cnt;
strcpy(((char*)io_buf) + io_buf[1], path);
int out_buf_size = 4 + sizeof(fileStat_s);
u32 *out_buffer = (u32*)memalign(0x20, out_buf_size);
if(!out_buffer)
{
free(io_buf);
return -2;
}
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_FSA_GETSTAT, io_buf, io_buf_size, out_buffer, out_buf_size);
if(res < 0)
{
free(io_buf);
free(out_buffer);
return res;
}
int result = out_buffer[0];
memcpy(out_data, out_buffer + 1, sizeof(fileStat_s));
free(io_buf);
free(out_buffer);
return result;
}
int IOSUHAX_FSA_Remove(int fsaFd, const char *path)
{
if(iosuhaxHandle < 0)
return iosuhaxHandle;
const int input_cnt = 2;
int io_buf_size = sizeof(u32) * input_cnt + strlen(path) + 1;
u32 *io_buf = (u32*)memalign(0x20, io_buf_size);
if(!io_buf)
return -2;
io_buf[0] = fsaFd;
io_buf[1] = sizeof(u32) * input_cnt;
strcpy(((char*)io_buf) + io_buf[1], path);
int result;
int res = IOS_Ioctl(iosuhaxHandle, IOCTL_FSA_GETSTAT, io_buf, io_buf_size, &result, sizeof(result));
if(res < 0)
{
free(io_buf);
return res;
}
free(io_buf);
return result;
}

100
source/iosuhax.h Normal file
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@ -0,0 +1,100 @@
/***************************************************************************
* Copyright (C) 2016
* by Dimok
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any
* damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any
* purpose, including commercial applications, and to alter it and
* redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you
* must not claim that you wrote the original software. If you use
* this software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and
* must not be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
***************************************************************************/
#ifndef _LIB_IOSUHAX_H_
#define _LIB_IOSUHAX_H_
#ifdef __cplusplus
extern "C" {
#endif
#define IOS_ERROR_UNKNOWN_VALUE 0xFFFFFFD6
#define IOS_ERROR_INVALID_ARG 0xFFFFFFE3
#define IOS_ERROR_INVALID_SIZE 0xFFFFFFE9
#define IOS_ERROR_UNKNOWN 0xFFFFFFF7
#define IOS_ERROR_NOEXISTS 0xFFFFFFFA
typedef struct
{
u32 flag;
u32 permission;
u32 owner_id;
u32 group_id;
u32 size; // size in bytes
u32 physsize; // physical size on disk in bytes
u32 unk[3];
u32 id;
u32 ctime;
u32 mtime;
u32 unk2[0x0D];
}fileStat_s;
typedef struct
{
fileStat_s stat;
char name[0x100];
}directoryEntry_s;
#define DIR_ENTRY_IS_DIRECTORY 0x80000000
#define FSA_MOUNTFLAGS_BINDMOUNT (1 << 0)
#define FSA_MOUNTFLAGS_GLOBAL (1 << 1)
int IOSUHAX_Open(void);
int IOSUHAX_Close(void);
int IOSUHAX_memwrite(u32 address, const u8 * buffer, u32 size); // IOSU external input
int IOSUHAX_memread(u32 address, u8 * out_buffer, u32 size); // IOSU external output
int IOSUHAX_memcpy(u32 dst, u32 src, u32 size); // IOSU internal memcpy only
int IOSUHAX_SVC(u32 svc_id, u32 * args, u32 arg_cnt);
int IOSUHAX_FSA_Open();
int IOSUHAX_FSA_Close(int fsaFd);
int IOSUHAX_FSA_Mount(int fsaFd, const char* device_path, const char* volume_path, u32 flags, const char* arg_string, int arg_string_len);
int IOSUHAX_FSA_Unmount(int fsaFd, const char* path, u32 flags);
int IOSUHAX_FSA_GetDeviceInfo(int fsaFd, const char* device_path, int type, u32* out_data);
int IOSUHAX_FSA_MakeDir(int fsaFd, const char* path, u32 flags);
int IOSUHAX_FSA_OpenDir(int fsaFd, const char* path, int* outHandle);
int IOSUHAX_FSA_ReadDir(int fsaFd, int handle, directoryEntry_s* out_data);
int IOSUHAX_FSA_RewindDir(int fsaFd, int dirHandle);
int IOSUHAX_FSA_CloseDir(int fsaFd, int handle);
int IOSUHAX_FSA_ChangeDir(int fsaFd, const char *path);
int IOSUHAX_FSA_OpenFile(int fsaFd, const char* path, const char* mode, int* outHandle);
int IOSUHAX_FSA_ReadFile(int fsaFd, void* data, u32 size, u32 cnt, int fileHandle, u32 flags);
int IOSUHAX_FSA_WriteFile(int fsaFd, const void* data, u32 size, u32 cnt, int fileHandle, u32 flags);
int IOSUHAX_FSA_StatFile(int fsaFd, int fileHandle, fileStat_s* out_data);
int IOSUHAX_FSA_CloseFile(int fsaFd, int fileHandle);
int IOSUHAX_FSA_SetFilePos(int fsaFd, int fileHandle, u32 position);
int IOSUHAX_FSA_GetStat(int fsaFd, const char *path, fileStat_s* out_data);
int IOSUHAX_FSA_Remove(int fsaFd, const char *path);
#ifdef __cplusplus
}
#endif
#endif

942
source/iosuhax_devoptab.c Normal file
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@ -0,0 +1,942 @@
/***************************************************************************
* Copyright (C) 2015
* by Dimok
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any
* damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any
* purpose, including commercial applications, and to alter it and
* redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you
* must not claim that you wrote the original software. If you use
* this software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and
* must not be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
***************************************************************************/
#include <errno.h>
#include <sys/statvfs.h>
#include <sys/dirent.h>
#include <string.h>
#include <malloc.h>
#include <fcntl.h>
#include <stdio.h>
#include "os_functions.h"
#include "iosuhax.h"
typedef struct _fs_dev_private_t {
char *mount_path;
int fsaFd;
int mounted;
void *pMutex;
} fs_dev_private_t;
typedef struct _fs_dev_file_state_t {
fs_dev_private_t *dev;
int fd; /* File descriptor */
int flags; /* Opening flags */
bool read; /* True if allowed to read from file */
bool write; /* True if allowed to write to file */
bool append; /* True if allowed to append to file */
u64 pos; /* Current position within the file (in bytes) */
u64 len; /* Total length of the file (in bytes) */
struct _fs_dev_file_state_t *prevOpenFile; /* The previous entry in a double-linked FILO list of open files */
struct _fs_dev_file_state_t *nextOpenFile; /* The next entry in a double-linked FILO list of open files */
} fs_dev_file_state_t;
typedef struct _fs_dev_dir_entry_t {
fs_dev_private_t *dev;
int dirHandle;
} fs_dev_dir_entry_t;
static fs_dev_private_t *fs_dev_get_device_data(const char *path)
{
const devoptab_t *devoptab = NULL;
char name[128] = {0};
int i;
// Get the device name from the path
strncpy(name, path, 127);
strtok(name, ":/");
// Search the devoptab table for the specified device name
// NOTE: We do this manually due to a 'bug' in GetDeviceOpTab
// which ignores names with suffixes and causes names
// like "ntfs" and "ntfs1" to be seen as equals
for (i = 3; i < STD_MAX; i++) {
devoptab = devoptab_list[i];
if (devoptab && devoptab->name) {
if (strcmp(name, devoptab->name) == 0) {
return (fs_dev_private_t *)devoptab->deviceData;
}
}
}
return NULL;
}
static char *fs_dev_real_path (const char *path, fs_dev_private_t *dev)
{
// Sanity check
if (!path)
return NULL;
// Move the path pointer to the start of the actual path
if (strchr(path, ':') != NULL) {
path = strchr(path, ':') + 1;
}
int mount_len = strlen(dev->mount_path);
char *new_name = (char*)malloc(mount_len + strlen(path) + 1);
if(new_name) {
strcpy(new_name, dev->mount_path);
strcpy(new_name + mount_len, path);
return new_name;
}
return new_name;
}
static int fs_dev_open_r (struct _reent *r, void *fileStruct, const char *path, int flags, int mode)
{
fs_dev_private_t *dev = fs_dev_get_device_data(path);
if(!dev) {
r->_errno = ENODEV;
return -1;
}
fs_dev_file_state_t *file = (fs_dev_file_state_t *)fileStruct;
file->dev = dev;
// Determine which mode the file is opened for
file->flags = flags;
const char *mode_str;
if ((flags & 0x03) == O_RDONLY) {
file->read = true;
file->write = false;
file->append = false;
mode_str = "r";
} else if ((flags & 0x03) == O_WRONLY) {
file->read = false;
file->write = true;
file->append = (flags & O_APPEND);
mode_str = file->append ? "a" : "w";
} else if ((flags & 0x03) == O_RDWR) {
file->read = true;
file->write = true;
file->append = (flags & O_APPEND);
mode_str = file->append ? "a+" : "r+";
} else {
r->_errno = EACCES;
return -1;
}
int fd = -1;
OSLockMutex(dev->pMutex);
char *real_path = fs_dev_real_path(path, dev);
if(!path) {
r->_errno = ENOMEM;
OSUnlockMutex(dev->pMutex);
return -1;
}
int result = IOSUHAX_FSA_OpenFile(dev->fsaFd, real_path, mode_str, &fd);
free(real_path);
if(result == 0)
{
fileStat_s stats;
result = IOSUHAX_FSA_StatFile(dev->fsaFd, fd, &stats);
if(result != 0) {
IOSUHAX_FSA_CloseFile(dev->fsaFd, fd);
r->_errno = result;
OSUnlockMutex(dev->pMutex);
return -1;
}
file->fd = fd;
file->pos = 0;
file->len = stats.size;
OSUnlockMutex(dev->pMutex);
return (int)file;
}
r->_errno = result;
OSUnlockMutex(dev->pMutex);
return -1;
}
static int fs_dev_close_r (struct _reent *r, int fd)
{
fs_dev_file_state_t *file = (fs_dev_file_state_t *)fd;
if(!file->dev) {
r->_errno = ENODEV;
return -1;
}
OSLockMutex(file->dev->pMutex);
int result = IOSUHAX_FSA_CloseFile(file->dev->fsaFd, file->fd);
OSUnlockMutex(file->dev->pMutex);
if(result < 0)
{
r->_errno = result;
return -1;
}
return 0;
}
static off_t fs_dev_seek_r (struct _reent *r, int fd, off_t pos, int dir)
{
fs_dev_file_state_t *file = (fs_dev_file_state_t *)fd;
if(!file->dev) {
r->_errno = ENODEV;
return 0;
}
OSLockMutex(file->dev->pMutex);
switch(dir)
{
case SEEK_SET:
file->pos = pos;
break;
case SEEK_CUR:
file->pos += pos;
break;
case SEEK_END:
file->pos = file->len + pos;
break;
default:
r->_errno = EINVAL;
return -1;
}
int result = IOSUHAX_FSA_SetFilePos(file->dev->fsaFd, file->fd, file->pos);
OSUnlockMutex(file->dev->pMutex);
if(result == 0)
{
return file->pos;
}
return result;
}
static ssize_t fs_dev_write_r (struct _reent *r, int fd, const char *ptr, size_t len)
{
fs_dev_file_state_t *file = (fs_dev_file_state_t *)fd;
if(!file->dev) {
r->_errno = ENODEV;
return 0;
}
if(!file->write)
{
r->_errno = EACCES;
return 0;
}
OSLockMutex(file->dev->pMutex);
size_t done = 0;
while(done < len)
{
size_t write_size = len - done;
int result = IOSUHAX_FSA_WriteFile(file->dev->fsaFd, ptr + done, 0x01, write_size, file->fd, 0);
if(result < 0)
{
r->_errno = result;
break;
}
else if(result == 0)
{
if(write_size > 0)
done = 0;
break;
}
else
{
done += result;
file->pos += result;
}
}
OSUnlockMutex(file->dev->pMutex);
return done;
}
static ssize_t fs_dev_read_r (struct _reent *r, int fd, char *ptr, size_t len)
{
fs_dev_file_state_t *file = (fs_dev_file_state_t *)fd;
if(!file->dev) {
r->_errno = ENODEV;
return 0;
}
if(!file->read)
{
r->_errno = EACCES;
return 0;
}
OSLockMutex(file->dev->pMutex);
size_t done = 0;
while(done < len)
{
size_t read_size = len - done;
int result = IOSUHAX_FSA_ReadFile(file->dev->fsaFd, ptr + done, 0x01, read_size, file->fd, 0);
if(result < 0)
{
r->_errno = result;
done = 0;
break;
}
else if(result == 0)
{
//! TODO: error on read_size > 0
break;
}
else
{
done += result;
file->pos += result;
}
}
OSUnlockMutex(file->dev->pMutex);
return done;
}
static int fs_dev_fstat_r (struct _reent *r, int fd, struct stat *st)
{
fs_dev_file_state_t *file = (fs_dev_file_state_t *)fd;
if(!file->dev) {
r->_errno = ENODEV;
return -1;
}
OSLockMutex(file->dev->pMutex);
// Zero out the stat buffer
memset(st, 0, sizeof(struct stat));
fileStat_s stats;
int result = IOSUHAX_FSA_StatFile(file->dev->fsaFd, fd, &stats);
if(result != 0) {
r->_errno = result;
OSUnlockMutex(file->dev->pMutex);
return -1;
}
st->st_mode = S_IFREG;
st->st_size = stats.size;
st->st_blocks = (stats.size + 511) >> 9;
st->st_nlink = 1;
// Fill in the generic entry stats
st->st_dev = stats.id;
st->st_uid = stats.owner_id;
st->st_gid = stats.group_id;
st->st_ino = stats.id;
st->st_atime = stats.mtime;
st->st_ctime = stats.ctime;
st->st_mtime = stats.mtime;
OSUnlockMutex(file->dev->pMutex);
return 0;
}
static int fs_dev_ftruncate_r (struct _reent *r, int fd, off_t len)
{
fs_dev_file_state_t *file = (fs_dev_file_state_t *)fd;
if(!file->dev) {
r->_errno = ENODEV;
return -1;
}
r->_errno = ENOTSUP;
// TODO
return -1;
}
static int fs_dev_fsync_r (struct _reent *r, int fd)
{
fs_dev_file_state_t *file = (fs_dev_file_state_t *)fd;
if(!file->dev) {
r->_errno = ENODEV;
return -1;
}
r->_errno = ENOTSUP;
// TODO
return -1;
}
static int fs_dev_stat_r (struct _reent *r, const char *path, struct stat *st)
{
fs_dev_private_t *dev = fs_dev_get_device_data(path);
if(!dev) {
r->_errno = ENODEV;
return -1;
}
OSLockMutex(dev->pMutex);
// Zero out the stat buffer
memset(st, 0, sizeof(struct stat));
char *real_path = fs_dev_real_path(path, dev);
if(!real_path) {
r->_errno = ENOMEM;
OSUnlockMutex(dev->pMutex);
return -1;
}
fileStat_s stats;
int result = IOSUHAX_FSA_GetStat(dev->fsaFd, real_path, &stats);
free(real_path);
if(result < 0) {
r->_errno = result;
OSUnlockMutex(dev->pMutex);
return -1;
}
// mark root also as directory
st->st_mode = ((stats.flag & 0x80000000) || (strlen(dev->mount_path) + 1 == strlen(real_path)))? S_IFDIR : S_IFREG;
st->st_nlink = 1;
st->st_size = stats.size;
st->st_blocks = (stats.size + 511) >> 9;
// Fill in the generic entry stats
st->st_dev = stats.id;
st->st_uid = stats.owner_id;
st->st_gid = stats.group_id;
st->st_ino = stats.id;
st->st_atime = stats.mtime;
st->st_ctime = stats.ctime;
st->st_mtime = stats.mtime;
OSUnlockMutex(dev->pMutex);
return 0;
}
static int fs_dev_link_r (struct _reent *r, const char *existing, const char *newLink)
{
r->_errno = ENOTSUP;
return -1;
}
static int fs_dev_unlink_r (struct _reent *r, const char *name)
{
fs_dev_private_t *dev = fs_dev_get_device_data(name);
if(!dev) {
r->_errno = ENODEV;
return -1;
}
OSLockMutex(dev->pMutex);
char *real_path = fs_dev_real_path(name, dev);
if(!real_path) {
r->_errno = ENOMEM;
OSUnlockMutex(dev->pMutex);
return -1;
}
int result = IOSUHAX_FSA_Remove(dev->fsaFd, real_path);
free(real_path);
OSUnlockMutex(dev->pMutex);
if(result < 0) {
r->_errno = result;
return -1;
}
return result;
}
static int fs_dev_chdir_r (struct _reent *r, const char *name)
{
fs_dev_private_t *dev = fs_dev_get_device_data(name);
if(!dev) {
r->_errno = ENODEV;
return -1;
}
OSLockMutex(dev->pMutex);
char *real_path = fs_dev_real_path(name, dev);
if(!real_path) {
r->_errno = ENOMEM;
OSUnlockMutex(dev->pMutex);
return -1;
}
int result = IOSUHAX_FSA_ChangeDir(dev->fsaFd, real_path);
free(real_path);
OSUnlockMutex(dev->pMutex);
if(result < 0) {
r->_errno = result;
return -1;
}
return 0;
}
static int fs_dev_rename_r (struct _reent *r, const char *oldName, const char *newName)
{
fs_dev_private_t *dev = fs_dev_get_device_data(oldName);
if(!dev) {
r->_errno = ENODEV;
return -1;
}
OSLockMutex(dev->pMutex);
char *real_oldpath = fs_dev_real_path(oldName, dev);
if(!real_oldpath) {
r->_errno = ENOMEM;
OSUnlockMutex(dev->pMutex);
return -1;
}
char *real_newpath = fs_dev_real_path(newName, dev);
if(!real_newpath) {
r->_errno = ENOMEM;
free(real_oldpath);
OSUnlockMutex(dev->pMutex);
return -1;
}
//! TODO
int result = -ENOTSUP;
free(real_oldpath);
free(real_newpath);
OSUnlockMutex(dev->pMutex);
if(result < 0) {
r->_errno = result;
return -1;
}
return 0;
}
static int fs_dev_mkdir_r (struct _reent *r, const char *path, int mode)
{
fs_dev_private_t *dev = fs_dev_get_device_data(path);
if(!dev) {
r->_errno = ENODEV;
return -1;
}
OSLockMutex(dev->pMutex);
char *real_path = fs_dev_real_path(path, dev);
if(!real_path) {
r->_errno = ENOMEM;
OSUnlockMutex(dev->pMutex);
return -1;
}
int result = IOSUHAX_FSA_MakeDir(dev->fsaFd, real_path, mode);
free(real_path);
OSUnlockMutex(dev->pMutex);
if(result < 0) {
r->_errno = result;
return -1;
}
return 0;
}
static int fs_dev_statvfs_r (struct _reent *r, const char *path, struct statvfs *buf)
{
fs_dev_private_t *dev = fs_dev_get_device_data(path);
if(!dev) {
r->_errno = ENODEV;
return -1;
}
OSLockMutex(dev->pMutex);
// Zero out the stat buffer
memset(buf, 0, sizeof(struct statvfs));
char *real_path = fs_dev_real_path(path, dev);
if(!real_path) {
r->_errno = ENOMEM;
OSUnlockMutex(dev->pMutex);
return -1;
}
u64 size;
int result = IOSUHAX_FSA_GetDeviceInfo(dev->fsaFd, real_path, 0x00, (u32*)&size);
free(real_path);
if(result < 0) {
r->_errno = result;
OSUnlockMutex(dev->pMutex);
return -1;
}
// File system block size
buf->f_bsize = 512;
// Fundamental file system block size
buf->f_frsize = 512;
// Total number of blocks on file system in units of f_frsize
buf->f_blocks = size >> 9; // this is unknown
// Free blocks available for all and for non-privileged processes
buf->f_bfree = buf->f_bavail = size >> 9;
// Number of inodes at this point in time
buf->f_files = 0xffffffff;
// Free inodes available for all and for non-privileged processes
buf->f_ffree = 0xffffffff;
// File system id
buf->f_fsid = (int)dev;
// Bit mask of f_flag values.
buf->f_flag = 0;
// Maximum length of filenames
buf->f_namemax = 255;
OSUnlockMutex(dev->pMutex);
return 0;
}
static DIR_ITER *fs_dev_diropen_r (struct _reent *r, DIR_ITER *dirState, const char *path)
{
fs_dev_private_t *dev = fs_dev_get_device_data(path);
if(!dev) {
r->_errno = ENODEV;
return NULL;
}
fs_dev_dir_entry_t *dirIter = (fs_dev_dir_entry_t *)dirState->dirStruct;
OSLockMutex(dev->pMutex);
char *real_path = fs_dev_real_path(path, dev);
if(!real_path) {
r->_errno = ENOMEM;
OSUnlockMutex(dev->pMutex);
return NULL;
}
int dirHandle;
int result = IOSUHAX_FSA_OpenDir(dev->fsaFd, real_path, &dirHandle);
free(real_path);
OSUnlockMutex(dev->pMutex);
if(result < 0)
{
r->_errno = result;
return NULL;
}
dirIter->dev = dev;
dirIter->dirHandle = dirHandle;
return dirState;
}
static int fs_dev_dirclose_r (struct _reent *r, DIR_ITER *dirState)
{
fs_dev_dir_entry_t *dirIter = (fs_dev_dir_entry_t *)dirState->dirStruct;
if(!dirIter->dev) {
r->_errno = ENODEV;
return -1;
}
OSLockMutex(dirIter->dev->pMutex);
int result = IOSUHAX_FSA_CloseDir(dirIter->dev->fsaFd, dirIter->dirHandle);
OSUnlockMutex(dirIter->dev->pMutex);
if(result < 0)
{
r->_errno = result;
return -1;
}
return 0;
}
static int fs_dev_dirreset_r (struct _reent *r, DIR_ITER *dirState)
{
fs_dev_dir_entry_t *dirIter = (fs_dev_dir_entry_t *)dirState->dirStruct;
if(!dirIter->dev) {
r->_errno = ENODEV;
return -1;
}
OSLockMutex(dirIter->dev->pMutex);
int result = IOSUHAX_FSA_RewindDir(dirIter->dev->fsaFd, dirIter->dirHandle);
OSUnlockMutex(dirIter->dev->pMutex);
if(result < 0)
{
r->_errno = result;
return -1;
}
return 0;
}
static int fs_dev_dirnext_r (struct _reent *r, DIR_ITER *dirState, char *filename, struct stat *st)
{
fs_dev_dir_entry_t *dirIter = (fs_dev_dir_entry_t *)dirState->dirStruct;
if(!dirIter->dev) {
r->_errno = ENODEV;
return -1;
}
OSLockMutex(dirIter->dev->pMutex);
directoryEntry_s * dir_entry = malloc(sizeof(directoryEntry_s));
int result = IOSUHAX_FSA_ReadDir(dirIter->dev->fsaFd, dirIter->dirHandle, dir_entry);
if(result < 0)
{
free(dir_entry);
r->_errno = result;
OSUnlockMutex(dirIter->dev->pMutex);
return -1;
}
// Fetch the current entry
strcpy(filename, dir_entry->name);
if(st)
{
memset(st, 0, sizeof(struct stat));
st->st_mode = (dir_entry->stat.flag & 0x80000000) ? S_IFDIR : S_IFREG;
st->st_nlink = 1;
st->st_size = dir_entry->stat.size;
st->st_blocks = (dir_entry->stat.size + 511) >> 9;
st->st_dev = dir_entry->stat.id;
st->st_uid = dir_entry->stat.owner_id;
st->st_gid = dir_entry->stat.group_id;
st->st_ino = dir_entry->stat.id;
st->st_atime = dir_entry->stat.mtime;
st->st_ctime = dir_entry->stat.ctime;
st->st_mtime = dir_entry->stat.mtime;
}
free(dir_entry);
OSUnlockMutex(dirIter->dev->pMutex);
return 0;
}
// NTFS device driver devoptab
static const devoptab_t devops_fs = {
NULL, /* Device name */
sizeof (fs_dev_file_state_t),
fs_dev_open_r,
fs_dev_close_r,
fs_dev_write_r,
fs_dev_read_r,
fs_dev_seek_r,
fs_dev_fstat_r,
fs_dev_stat_r,
fs_dev_link_r,
fs_dev_unlink_r,
fs_dev_chdir_r,
fs_dev_rename_r,
fs_dev_mkdir_r,
sizeof (fs_dev_dir_entry_t),
fs_dev_diropen_r,
fs_dev_dirreset_r,
fs_dev_dirnext_r,
fs_dev_dirclose_r,
fs_dev_statvfs_r,
fs_dev_ftruncate_r,
fs_dev_fsync_r,
NULL, /* fs_dev_chmod_r */
NULL, /* fs_dev_fchmod_r */
NULL /* Device data */
};
static int fs_dev_add_device (const char *name, const char *mount_path, int fsaFd, int isMounted)
{
devoptab_t *dev = NULL;
char *devname = NULL;
char *devpath = NULL;
int i;
// Sanity check
if (!name) {
errno = EINVAL;
return -1;
}
// Allocate a devoptab for this device
dev = (devoptab_t *) malloc(sizeof(devoptab_t) + strlen(name) + 1);
if (!dev) {
errno = ENOMEM;
return -1;
}
// Use the space allocated at the end of the devoptab for storing the device name
devname = (char*)(dev + 1);
strcpy(devname, name);
// create private data
fs_dev_private_t *priv = (fs_dev_private_t *)malloc(sizeof(fs_dev_private_t) + strlen(mount_path) + 1);
if(!priv) {
free(dev);
errno = ENOMEM;
return -1;
}
devpath = (char*)(priv+1);
strcpy(devpath, mount_path);
// setup private data
priv->mount_path = devpath;
priv->fsaFd = fsaFd;
priv->mounted = isMounted;
priv->pMutex = malloc(OS_MUTEX_SIZE);
if(!priv->pMutex) {
free(dev);
free(priv);
errno = ENOMEM;
return -1;
}
OSInitMutex(priv->pMutex);
// Setup the devoptab
memcpy(dev, &devops_fs, sizeof(devoptab_t));
dev->name = devname;
dev->deviceData = priv;
// Add the device to the devoptab table (if there is a free slot)
for (i = 3; i < STD_MAX; i++) {
if (devoptab_list[i] == devoptab_list[0]) {
devoptab_list[i] = dev;
return 0;
}
}
// failure, free all memory
free(priv);
free(dev);
// If we reach here then there are no free slots in the devoptab table for this device
errno = EADDRNOTAVAIL;
return -1;
}
static int fs_dev_remove_device (const char *path)
{
const devoptab_t *devoptab = NULL;
char name[128] = {0};
int i;
// Get the device name from the path
strncpy(name, path, 127);
strtok(name, ":/");
// Find and remove the specified device from the devoptab table
// NOTE: We do this manually due to a 'bug' in RemoveDevice
// which ignores names with suffixes and causes names
// like "ntfs" and "ntfs1" to be seen as equals
for (i = 3; i < STD_MAX; i++) {
devoptab = devoptab_list[i];
if (devoptab && devoptab->name) {
if (strcmp(name, devoptab->name) == 0) {
devoptab_list[i] = devoptab_list[0];
if(devoptab->deviceData)
{
fs_dev_private_t *priv = (fs_dev_private_t *)devoptab->deviceData;
if(priv->mounted)
IOSUHAX_FSA_Unmount(priv->fsaFd, priv->mount_path, 2);
if(priv->pMutex)
free(priv->pMutex);
free(devoptab->deviceData);
}
free((devoptab_t*)devoptab);
return 0;
}
}
}
return -1;
}
int mount_fs(const char *virt_name, int fsaFd, const char *dev_path, const char *mount_path)
{
int isMounted = 0;
if(dev_path)
{
isMounted = 1;
int res = IOSUHAX_FSA_Mount(fsaFd, dev_path, mount_path, 2, 0, 0);
if(res != 0)
{
return res;
}
}
return fs_dev_add_device(virt_name, mount_path, fsaFd, isMounted);
}
int unmount_fs(const char *virt_name)
{
return fs_dev_remove_device(virt_name);
}

42
source/iosuhax_devoptab.h Normal file
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/***************************************************************************
* Copyright (C) 2015
* by Dimok
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any
* damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any
* purpose, including commercial applications, and to alter it and
* redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you
* must not claim that you wrote the original software. If you use
* this software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and
* must not be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
***************************************************************************/
#ifndef __IOSUHAX_DEVOPTAB_H_
#define __IOSUHAX_DEVOPTAB_H_
#ifdef __cplusplus
extern "C" {
#endif
//! virtual name example: sd or odd (for sd:/ or odd:/ access)
//! fsaFd: fd received by IOSUHAX_FSA_Open();
//! dev_path: (optional) if a device should be mounted to the mount_path. If NULL no IOSUHAX_FSA_Mount is not executed.
//! mount_path: path to map to virtual device name
int mount_fs(const char *virt_name, int fsaFd, const char *dev_path, const char *mount_path);
int unmount_fs(const char *virt_name);
#ifdef __cplusplus
}
#endif
#endif // __IOSUHAX_DEVOPTAB_H_

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source/os_functions.h Normal file
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#ifndef __OS_FUNCTIONS_H_
#define __OS_FUNCTIONS_H_
#include <gctypes.h>
#ifdef __cplusplus
extern "C" {
#endif
#define OS_MUTEX_SIZE 44
//!----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
//! Mutex functions
//!----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
extern void (* OSInitMutex)(void* mutex);
extern void (* OSLockMutex)(void* mutex);
extern void (* OSUnlockMutex)(void* mutex);
extern int (* OSTryLockMutex)(void* mutex);
//!----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
//! IOS function
//!----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
extern int (*IOS_Ioctl)(int fd, unsigned int request, void *input_buffer,unsigned int input_buffer_len, void *output_buffer, unsigned int output_buffer_len);
extern int (*IOS_Open)(char *path, unsigned int mode);
extern int (*IOS_Close)(int fd);
#ifdef __cplusplus
}
#endif
#endif // __OS_FUNCTIONS_H_