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fs: miscellaneous bucket tree fixes

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This commit is contained in:
Michael Scire 2020-05-19 09:48:44 -07:00
parent a2496e5462
commit f215da3b37
3 changed files with 10 additions and 8 deletions
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4
libraries/libstratosphere/include/stratosphere/fssystem/fssystem_bucket_tree.hpp
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@ -126,7 +126,7 @@ namespace ams::fssystem {
this->allocator = nullptr;
}
void FillSzero(size_t node_size) const {
void FillZero(size_t node_size) const {
if (this->header) {
std::memset(this->header, 0, node_size);
}
@ -298,7 +298,7 @@ namespace ams::fssystem {
}
bool IsValid() const { return this->entry_index >= 0; }
bool CanMoveNext() const { return this->IsValid() && (this->entry_index + 1 < this->entry_set.info.count || this->entry_set.info.index + 1 < this->entry_set.info.count); }
bool CanMoveNext() const { return this->IsValid() && (this->entry_index + 1 < this->entry_set.info.count || this->entry_set.info.index + 1 < this->entry_set_count); }
bool CanMovePrevious() const { return this->IsValid() && (this->entry_index > 0 || this->entry_set.info.index > 0); }
Result MoveNext();

12
libraries/libstratosphere/source/fssystem/fssystem_bucket_tree.cpp
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@ -130,12 +130,12 @@ namespace ams::fssystem {
}
Result BucketTree::NodeHeader::Verify(s32 node_index, size_t node_size, size_t entry_size) const {
R_UNLESS(this->index == node_index, fs::ResultInvalidArgument());
R_UNLESS(entry_size == 0 || node_size < entry_size + NodeHeaderSize, fs::ResultInvalidSize());
R_UNLESS(this->index == node_index, fs::ResultInvalidBucketTreeNodeIndex());
R_UNLESS(entry_size != 0 && node_size >= entry_size + NodeHeaderSize, fs::ResultInvalidSize());
const size_t max_entry_count = (node_size - NodeHeaderSize) / entry_size;
R_UNLESS(this->count > 0 && static_cast<size_t>(this->count) <= max_entry_count, fs::ResultInvalidBucketTreeNodeEntryCount());
R_UNLESS(this->offset > 0, fs::ResultInvalidBucketTreeNodeOffset());
R_UNLESS(this->offset >= 0, fs::ResultInvalidBucketTreeNodeOffset());
return ResultSuccess();
}
@ -440,7 +440,7 @@ namespace ams::fssystem {
/* Create the node, and find. */
StorageNode node(sizeof(s64), header.count);
node.Find(buffer, virtual_address);
R_UNLESS(node.GetIndex() >= 0, fs::ResultOutOfRange());
R_UNLESS(node.GetIndex() >= 0, fs::ResultInvalidBucketTreeVirtualOffset());
/* Return the index. */
*out_index = this->tree->GetEntrySetIndex(header.index, node.GetIndex());
@ -485,7 +485,7 @@ namespace ams::fssystem {
const auto entry_size = this->tree->entry_size;
const auto entry_set_size = this->tree->node_size;
const auto entry_set_offset = entry_set_index * static_cast<s64>(entry_set_size);
fs::SubStorage &storage = tree->node_storage;
fs::SubStorage &storage = tree->entry_storage;
/* Read the entry set. */
R_TRY(storage.Read(entry_set_offset, buffer, entry_set_size));
@ -517,7 +517,7 @@ namespace ams::fssystem {
const auto entry_size = this->tree->entry_size;
const auto entry_set_size = this->tree->node_size;
const auto entry_set_offset = entry_set_index * static_cast<s64>(entry_set_size);
fs::SubStorage &storage = tree->node_storage;
fs::SubStorage &storage = tree->entry_storage;
/* Read and validate the entry_set. */
EntrySetHeader entry_set;

2
libraries/libvapours/include/vapours/results/fs_results.hpp
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@ -141,6 +141,8 @@ namespace ams::fs {
R_DEFINE_ERROR_RESULT(InvalidBucketTreeNodeOffset, 4035);
R_DEFINE_ERROR_RESULT(InvalidBucketTreeEntryOffset, 4036);
R_DEFINE_ERROR_RESULT(InvalidBucketTreeEntrySetOffset, 4037);
R_DEFINE_ERROR_RESULT(InvalidBucketTreeNodeIndex, 4038);
R_DEFINE_ERROR_RESULT(InvalidBucketTreeVirtualOffset, 4039);
R_DEFINE_ERROR_RANGE(RomNcaCorrupted, 4041, 4139);
R_DEFINE_ERROR_RANGE(RomNcaFileSystemCorrupted, 4051, 4069);