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portable_storage: forbid unnamed sections

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xiphon 2020-12-28 23:51:25 +00:00
parent e5decd0cde
commit 20bdbd7aab
3 changed files with 3 additions and 0 deletions
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1
contrib/epee/include/storages/portable_storage.h
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@ -266,6 +266,7 @@ namespace epee
static_assert(std::is_rvalue_reference<entry_type&&>(), "unexpected copy of value"); static_assert(std::is_rvalue_reference<entry_type&&>(), "unexpected copy of value");
TRY_ENTRY(); TRY_ENTRY();
CHECK_AND_ASSERT(psection, nullptr); CHECK_AND_ASSERT(psection, nullptr);
CHECK_AND_ASSERT(!pentry_name.empty(), nullptr);
auto ins_res = psection->m_entries.emplace(pentry_name, std::forward<entry_type>(entry)); auto ins_res = psection->m_entries.emplace(pentry_name, std::forward<entry_type>(entry));
return &ins_res.first->second; return &ins_res.first->second;
CATCH_ENTRY("portable_storage::insert_new_entry_get_storage_entry", nullptr); CATCH_ENTRY("portable_storage::insert_new_entry_get_storage_entry", nullptr);

1
contrib/epee/include/storages/portable_storage_from_bin.h
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@ -108,6 +108,7 @@ namespace epee
RECURSION_LIMITATION(); RECURSION_LIMITATION();
uint8_t name_len = 0; uint8_t name_len = 0;
read(name_len); read(name_len);
CHECK_AND_ASSERT_THROW_MES(name_len > 0, "Section name is missing");
sce_name.resize(name_len); sce_name.resize(name_len);
read((void*)sce_name.data(), name_len); read((void*)sce_name.data(), name_len);
} }

1
contrib/epee/include/storages/portable_storage_to_bin.h
View file

@ -211,6 +211,7 @@ namespace epee
for(const section_pair& se: sec.m_entries) for(const section_pair& se: sec.m_entries)
{ {
CHECK_AND_ASSERT_THROW_MES(se.first.size() < std::numeric_limits<uint8_t>::max(), "storage_entry_name is too long: " << se.first.size() << ", val: " << se.first); CHECK_AND_ASSERT_THROW_MES(se.first.size() < std::numeric_limits<uint8_t>::max(), "storage_entry_name is too long: " << se.first.size() << ", val: " << se.first);
CHECK_AND_ASSERT_THROW_MES(!se.first.empty(), "storage_entry_name is empty");
uint8_t len = static_cast<uint8_t>(se.first.size()); uint8_t len = static_cast<uint8_t>(se.first.size());
strm.write((const char*)&len, sizeof(len)); strm.write((const char*)&len, sizeof(len));
strm.write(se.first.data(), size_t(len)); strm.write(se.first.data(), size_t(len));