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Code Issues Releases Activity

save: Tidied up error prints

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shchmue 2020-05-10 19:10:27 -06:00
parent 3705b5f228
commit da6734afff
2 changed files with 18 additions and 22 deletions
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34
source/keys/save.c
View file

@ -1,3 +1,4 @@
#include <stdint.h>
#include <string.h> #include <string.h>
#include "save.h" #include "save.h"
@ -237,14 +238,14 @@ size_t save_ivfc_level_fread(ivfc_level_save_ctx_t *ctx, void *buffer, uint64_t
void save_ivfc_storage_read(integrity_verification_storage_ctx_t *ctx, void *buffer, uint64_t offset, size_t count, uint32_t verify) { void save_ivfc_storage_read(integrity_verification_storage_ctx_t *ctx, void *buffer, uint64_t offset, size_t count, uint32_t verify) {
if (count > ctx->sector_size) { if (count > ctx->sector_size) {
EPRINTF("IVFC read exceeds sector size!\n"); EPRINTF("IVFC read exceeds sector size!");
return; return;
} }
uint64_t block_index = offset / ctx->sector_size; uint64_t block_index = offset / ctx->sector_size;
if (ctx->block_validities[block_index] == VALIDITY_INVALID && verify) { if (ctx->block_validities[block_index] == VALIDITY_INVALID && verify) {
EPRINTFARGS("Hash error from previous check\n found at offset %x count %x!\n", (u32)offset, count); EPRINTFARGS("Hash error from previous check\n found at offset %x count %x!", (u32)offset, count);
return; return;
} }
@ -285,7 +286,7 @@ void save_ivfc_storage_read(integrity_verification_storage_ctx_t *ctx, void *buf
} }
if (ctx->block_validities[block_index] == VALIDITY_INVALID && verify) { if (ctx->block_validities[block_index] == VALIDITY_INVALID && verify) {
EPRINTFARGS("Hash error from current check\n found at offset %x count %x!\n", (u32)offset, count); EPRINTFARGS("Hash error from current check\n found at offset %x count %x!", (u32)offset, count);
return; return;
} }
} }
@ -297,7 +298,7 @@ uint32_t save_allocation_table_read_entry_with_length(allocation_table_ctx_t *ct
allocation_table_entry_t *entries = (allocation_table_entry_t *)((uint8_t *)(ctx->base_storage) + entry_index * SAVE_FAT_ENTRY_SIZE); allocation_table_entry_t *entries = (allocation_table_entry_t *)((uint8_t *)(ctx->base_storage) + entry_index * SAVE_FAT_ENTRY_SIZE);
if ((entries[0].next & 0x80000000) == 0) { if ((entries[0].next & 0x80000000) == 0) {
if (entries[0].prev & 0x80000000 && entries[0].prev != 0x80000000) { if (entries[0].prev & 0x80000000 && entries[0].prev != 0x80000000) {
EPRINTF("Invalid range entry in allocation table!\n"); EPRINTF("Invalid range entry in allocation table!");
return 0; return 0;
} }
} else { } else {
@ -330,7 +331,7 @@ uint32_t save_allocation_table_get_list_length(allocation_table_ctx_t *ctx, uint
total_length += save_allocation_table_read_entry_with_length(ctx, &entry); total_length += save_allocation_table_read_entry_with_length(ctx, &entry);
nodes_iterated++; nodes_iterated++;
if (nodes_iterated > table_size) { if (nodes_iterated > table_size) {
EPRINTF("Cycle detected in allocation table!\n"); EPRINTF("Cycle detected in allocation table!");
return 0; return 0;
} }
} }
@ -357,7 +358,7 @@ void save_allocation_table_iterator_begin(allocation_table_iterator_ctx_t *ctx,
ctx->prev_block = entry.prev; ctx->prev_block = entry.prev;
if (ctx->prev_block != 0xFFFFFFFF) { if (ctx->prev_block != 0xFFFFFFFF) {
EPRINTFARGS("Attempted to start FAT iteration from\n invalid block %x!\n", initial_block); EPRINTFARGS("Attempted to start FAT iteration from\n invalid block %x!", initial_block);
return; return;
} }
} }
@ -456,7 +457,7 @@ int save_fs_list_get_value(save_filesystem_list_ctx_t *ctx, uint32_t index, save
return 1; return 1;
} }
uint32_t save_fs_get_index_from_key(save_filesystem_list_ctx_t *ctx, save_entry_key_t *key, uint32_t *prev_index) { uint32_t save_fs_list_get_index_from_key(save_filesystem_list_ctx_t *ctx, save_entry_key_t *key, uint32_t *prev_index) {
save_fs_list_entry_t entry; save_fs_list_entry_t entry;
uint32_t capacity = save_fs_list_get_capacity(ctx); uint32_t capacity = save_fs_list_get_capacity(ctx);
save_fs_list_read_entry(ctx, ctx->used_list_head_index, &entry); save_fs_list_read_entry(ctx, ctx->used_list_head_index, &entry);
@ -483,18 +484,18 @@ uint32_t save_fs_get_index_from_key(save_filesystem_list_ctx_t *ctx, save_entry_
return 0xFFFFFFFF; return 0xFFFFFFFF;
} }
int save_hierarchical_file_table_find_path_recursive(hierarchical_save_file_table_ctx_t *ctx, save_entry_key_t *key, char *path) { int save_hierarchical_file_table_find_path_recursive(hierarchical_save_file_table_ctx_t *ctx, save_entry_key_t *key, const char *path) {
key->parent = 0; key->parent = 0;
char *pos = strchr(path, '/'); const char *pos = strchr(path, '/');
while (pos) { while (pos) {
memset(key->name, 0, SAVE_FS_LIST_MAX_NAME_LENGTH); memset(key->name, 0, SAVE_FS_LIST_MAX_NAME_LENGTH);
char *tmp = strchr(pos, '/'); const char *tmp = strchr(pos, '/');
if (!tmp) { if (!tmp) {
memcpy(key->name, pos, strlen(pos)); memcpy(key->name, pos, strlen(pos));
break; break;
} }
memcpy(key->name, pos, tmp - pos); memcpy(key->name, pos, tmp - pos);
key->parent = save_fs_get_index_from_key(&ctx->directory_table, key, NULL); key->parent = save_fs_list_get_index_from_key(&ctx->directory_table, key, NULL);
if (key->parent == 0xFFFFFFFF) if (key->parent == 0xFFFFFFFF)
return 0; return 0;
pos = tmp + 1; pos = tmp + 1;
@ -529,13 +530,13 @@ int save_hierarchical_file_table_find_next_directory(hierarchical_save_file_tabl
return 1; return 1;
} }
int save_hierarchical_file_table_get_file_entry_by_path(hierarchical_save_file_table_ctx_t *ctx, char *path, save_fs_list_entry_t *entry) { int save_hierarchical_file_table_get_file_entry_by_path(hierarchical_save_file_table_ctx_t *ctx, const char *path, save_fs_list_entry_t *entry) {
save_entry_key_t key; save_entry_key_t key;
if (!save_hierarchical_file_table_find_path_recursive(ctx, &key, path)) { if (!save_hierarchical_file_table_find_path_recursive(ctx, &key, path)) {
EPRINTF("Unable to locate file."); EPRINTF("Unable to locate file.");
return 0; return 0;
} }
u32 index = save_fs_get_index_from_key(&ctx->file_table, &key, NULL); u32 index = save_fs_list_get_index_from_key(&ctx->file_table, &key, NULL);
if (index == 0xFFFFFFFF) { if (index == 0xFFFFFFFF) {
EPRINTF("Unable to get table index for file."); EPRINTF("Unable to get table index for file.");
return 0; return 0;
@ -643,13 +644,12 @@ bool save_process(save_ctx_t *ctx) {
} }
if (!save_process_header(ctx) || (ctx->header_hash_validity == VALIDITY_INVALID)) { if (!save_process_header(ctx) || (ctx->header_hash_validity == VALIDITY_INVALID)) {
EPRINTF("Error: Save header is invalid!\n"); EPRINTF("Error: Save header is invalid!");
return false; return false;
} }
} }
unsigned char cmac[0x10]; unsigned char cmac[0x10] = {};
memset(cmac, 0, 0x10);
se_aes_key_set(3, ctx->save_mac_key, 0x10); se_aes_key_set(3, ctx->save_mac_key, 0x10);
se_aes_cmac(3, cmac, 0x10, &ctx->header.layout, sizeof(ctx->header.layout)); se_aes_cmac(3, cmac, 0x10, &ctx->header.layout, sizeof(ctx->header.layout));
if (memcmp(cmac, &ctx->header.cmac, 0x10) == 0) { if (memcmp(cmac, &ctx->header.cmac, 0x10) == 0) {
@ -775,7 +775,7 @@ bool save_process_header(save_ctx_t *ctx) {
ctx->header.save_header.magic != MAGIC_SAVE || ctx->header.main_remap_header.magic != MAGIC_RMAP || ctx->header.save_header.magic != MAGIC_SAVE || ctx->header.main_remap_header.magic != MAGIC_RMAP ||
ctx->header.meta_remap_header.magic != MAGIC_RMAP) ctx->header.meta_remap_header.magic != MAGIC_RMAP)
{ {
EPRINTF("Error: Save header is corrupt!\n"); EPRINTF("Error: Save header is corrupt!");
return false; return false;
} }

6
source/keys/save.h
View file

@ -474,16 +474,12 @@ static inline uint32_t save_allocation_table_get_free_list_block_index(allocatio
bool save_process(save_ctx_t *ctx); bool save_process(save_ctx_t *ctx);
bool save_process_header(save_ctx_t *ctx); bool save_process_header(save_ctx_t *ctx);
void save_save(save_ctx_t *ctx);
void save_print(save_ctx_t *ctx);
void save_free_contexts(save_ctx_t *ctx); void save_free_contexts(save_ctx_t *ctx);
void save_open_fat_storage(save_filesystem_ctx_t *ctx, allocation_table_storage_ctx_t *storage_ctx, uint32_t block_index); void save_open_fat_storage(save_filesystem_ctx_t *ctx, allocation_table_storage_ctx_t *storage_ctx, uint32_t block_index);
uint32_t save_allocation_table_storage_read(allocation_table_storage_ctx_t *ctx, void *buffer, uint64_t offset, size_t count); uint32_t save_allocation_table_storage_read(allocation_table_storage_ctx_t *ctx, void *buffer, uint64_t offset, size_t count);
int save_fs_list_get_value(save_filesystem_list_ctx_t *ctx, uint32_t index, save_fs_list_entry_t *value); int save_fs_list_get_value(save_filesystem_list_ctx_t *ctx, uint32_t index, save_fs_list_entry_t *value);
uint32_t save_fs_get_index_from_key(save_filesystem_list_ctx_t *ctx, save_entry_key_t *key, uint32_t *prev_index); int save_hierarchical_file_table_get_file_entry_by_path(hierarchical_save_file_table_ctx_t *ctx, const char *path, save_fs_list_entry_t *entry);
int save_hierarchical_file_table_find_path_recursive(hierarchical_save_file_table_ctx_t *ctx, save_entry_key_t *key, char *path);
int save_hierarchical_file_table_get_file_entry_by_path(hierarchical_save_file_table_ctx_t *ctx, char *path, save_fs_list_entry_t *entry);
#endif #endif