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Service/AM: Fix crash when scanning titles with installed titles with invalid title IDs (#3542)

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* Service/AM: Fix crash when scanning titles with installed titles with invalid title IDs

Fixes #3332
This commit is contained in:
Valentin Vanelslande 2018-03-24 13:06:50 -06:00 committed by James Rowe
parent 327ad8bcce
commit e2c5666883
2 changed files with 11 additions and 5 deletions
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3
src/core/hle/service/am/am.cpp
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@ -456,6 +456,8 @@ void Module::ScanForTitles(Service::FS::MediaType media_type) {
for (const FileUtil::FSTEntry& tid_high : entries.children) { for (const FileUtil::FSTEntry& tid_high : entries.children) {
for (const FileUtil::FSTEntry& tid_low : tid_high.children) { for (const FileUtil::FSTEntry& tid_low : tid_high.children) {
std::string tid_string = tid_high.virtualName + tid_low.virtualName; std::string tid_string = tid_high.virtualName + tid_low.virtualName;
if (tid_string.length() == TITLE_ID_VALID_LENGTH) {
u64 tid = std::stoull(tid_string.c_str(), nullptr, 16); u64 tid = std::stoull(tid_string.c_str(), nullptr, 16);
FileSys::NCCHContainer container(GetTitleContentPath(media_type, tid)); FileSys::NCCHContainer container(GetTitleContentPath(media_type, tid));
@ -464,6 +466,7 @@ void Module::ScanForTitles(Service::FS::MediaType media_type) {
} }
} }
} }
}
void Module::ScanForAllTitles() { void Module::ScanForAllTitles() {
ScanForTitles(Service::FS::MediaType::NAND); ScanForTitles(Service::FS::MediaType::NAND);

5
src/core/hle/service/am/am.h
View File

@ -52,7 +52,10 @@ enum class InstallStatus : u32 {
ErrorEncrypted, ErrorEncrypted,
}; };
// Progress callback for InstallCIA, recieves bytes written and total bytes // Title ID valid length
constexpr size_t TITLE_ID_VALID_LENGTH = 16;
// Progress callback for InstallCIA, receives bytes written and total bytes
using ProgressCallback = void(size_t, size_t); using ProgressCallback = void(size_t, size_t);
// A file handled returned for CIAs to be written into and subsequently installed. // A file handled returned for CIAs to be written into and subsequently installed.