task_patch.c File Reference

#include <stdint.h>
#include <string.h>
#include <boolean.h>
#include <compat/msvc.h>
#include <file/file_path.h>
#include <streams/file_stream.h>
#include <string/stdstring.h>
#include <encodings/crc32.h>
#include "../msg_hash.h"
#include "../verbosity.h"

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Classes
struct	bps_data
struct	ups_data

Typedefs
typedef enum patch_error(*	patch_func_t) (const uint8_t *, uint64_t, const uint8_t *, uint64_t, uint8_t *, uint64_t *)

Enumerations
enum	bps_mode { SOURCE_READ = 0, TARGET_READ, SOURCE_COPY, TARGET_COPY }
enum	patch_error {   PATCH_UNKNOWN = 0, PATCH_SUCCESS, PATCH_PATCH_TOO_SMALL, PATCH_PATCH_INVALID_HEADER,   PATCH_PATCH_INVALID, PATCH_SOURCE_TOO_SMALL, PATCH_TARGET_TOO_SMALL, PATCH_SOURCE_INVALID,   PATCH_TARGET_INVALID, PATCH_SOURCE_CHECKSUM_INVALID, PATCH_TARGET_CHECKSUM_INVALID, PATCH_PATCH_CHECKSUM_INVALID }

Functions
static uint8_t	bps_read (struct bps_data *bps)
static uint64_t	bps_decode (struct bps_data *bps)
static void	bps_write (struct bps_data *bps, uint8_t data)
static enum patch_error	bps_apply_patch (const uint8_t *modify_data, uint64_t modify_length, const uint8_t *source_data, uint64_t source_length, uint8_t *target_data, uint64_t *target_length)
static uint8_t	ups_patch_read (struct ups_data *data)
static uint8_t	ups_source_read (struct ups_data *data)
static void	ups_target_write (struct ups_data *data, uint8_t n)
static uint64_t	ups_decode (struct ups_data *data)
static enum patch_error	ups_apply_patch (const uint8_t *patchdata, uint64_t patchlength, const uint8_t *sourcedata, uint64_t sourcelength, uint8_t *targetdata, uint64_t *targetlength)
static enum patch_error	ips_apply_patch (const uint8_t *patchdata, uint64_t patchlen, const uint8_t *sourcedata, uint64_t sourcelength, uint8_t *targetdata, uint64_t *targetlength)
static bool	apply_patch_content (uint8_t **buf, ssize_t *size, const char *patch_desc, const char *patch_path, patch_func_t func, void *patch_data, int64_t patch_size)
static bool	try_bps_patch (bool allow_bps, const char *name_bps, uint8_t **buf, ssize_t *size)
static bool	try_ups_patch (bool allow_ups, const char *name_ups, uint8_t **buf, ssize_t *size)
static bool	try_ips_patch (bool allow_ips, const char *name_ips, uint8_t **buf, ssize_t *size)
static void	patch_content (bool is_ips_pref, bool is_bps_pref, bool is_ups_pref, const char *name_ips, const char *name_bps, const char *name_ups, uint8_t **buf, void *data)

Typedef Documentation

patch_func_t

typedef enum patch_error(* patch_func_t) (const uint8_t *, uint64_t, const uint8_t *, uint64_t, uint8_t *, uint64_t *)

Enumeration Type Documentation

bps_mode

enum bps_mode

Enumerator
SOURCE_READ
TARGET_READ
SOURCE_COPY
TARGET_COPY

patch_error

enum patch_error

Enumerator
PATCH_UNKNOWN
PATCH_SUCCESS
PATCH_PATCH_TOO_SMALL
PATCH_PATCH_INVALID_HEADER
PATCH_PATCH_INVALID
PATCH_SOURCE_TOO_SMALL
PATCH_TARGET_TOO_SMALL
PATCH_SOURCE_INVALID
PATCH_TARGET_INVALID
PATCH_SOURCE_CHECKSUM_INVALID
PATCH_TARGET_CHECKSUM_INVALID
PATCH_PATCH_CHECKSUM_INVALID

Function Documentation

apply_patch_content()

static bool apply_patch_content ( uint8_t **  buf, ssize_t *  size, const char *  patch_desc, const char *  patch_path, patch_func_t  func, void *  patch_data, int64_t  patch_size  )

static

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bps_apply_patch()

static enum patch_error bps_apply_patch ( const uint8_t *  modify_data, uint64_t  modify_length, const uint8_t *  source_data, uint64_t  source_length, uint8_t *  target_data, uint64_t *  target_length  )

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bps_decode()

static uint64_t bps_decode ( struct bps_data *  bps )

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bps_read()

static uint8_t bps_read ( struct bps_data *  bps )

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bps_write()

static void bps_write ( struct bps_data *  bps, uint8_t  data  )

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ips_apply_patch()

static enum patch_error ips_apply_patch ( const uint8_t *  patchdata, uint64_t  patchlen, const uint8_t *  sourcedata, uint64_t  sourcelength, uint8_t *  targetdata, uint64_t *  targetlength  )

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patch_content()

static void patch_content ( bool  is_ips_pref, bool  is_bps_pref, bool  is_ups_pref, const char *  name_ips, const char *  name_bps, const char *  name_ups, uint8_t **  buf, void *  data  )

static

patch_content: : buffer of the content file. : size of the content file.

Apply patch to the content file in-memory.

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try_bps_patch()

static bool try_bps_patch ( bool  allow_bps, const char *  name_bps, uint8_t **  buf, ssize_t *  size  )

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try_ips_patch()

static bool try_ips_patch ( bool  allow_ips, const char *  name_ips, uint8_t **  buf, ssize_t *  size  )

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try_ups_patch()

static bool try_ups_patch ( bool  allow_ups, const char *  name_ups, uint8_t **  buf, ssize_t *  size  )

static

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ups_apply_patch()

static enum patch_error ups_apply_patch ( const uint8_t *  patchdata, uint64_t  patchlength, const uint8_t *  sourcedata, uint64_t  sourcelength, uint8_t *  targetdata, uint64_t *  targetlength  )

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ups_decode()

static uint64_t ups_decode ( struct ups_data *  data )

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ups_patch_read()

static uint8_t ups_patch_read ( struct ups_data *  data )

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ups_source_read()

static uint8_t ups_source_read ( struct ups_data *  data )

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ups_target_write()

static void ups_target_write ( struct ups_data *  data, uint8_t  n  )

static

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