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Merge pull request #7243

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8e2caf3fb portable_storage: check object limit where appropriate (moneromooo)
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Alexander Blair 2021-01-01 22:32:53 -08:00
commit 175aa2497a
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1 changed files with 6 additions and 1 deletions
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contrib/epee/include/storages/portable_storage_from_bin.h
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@ -164,6 +164,11 @@ namespace epee
array_entry_t<type_name> sa; array_entry_t<type_name> sa;
size_t size = read_varint(); size_t size = read_varint();
CHECK_AND_ASSERT_THROW_MES(size <= m_count / ps_min_bytes<type_name>::strict, "Size sanity check failed"); CHECK_AND_ASSERT_THROW_MES(size <= m_count / ps_min_bytes<type_name>::strict, "Size sanity check failed");
if (std::is_same<type_name, section>())
{
CHECK_AND_ASSERT_THROW_MES(size <= EPEE_PORTABLE_STORAGE_OBJECT_LIMIT_INTERNAL - m_objects, "Too many objects");
m_objects += size;
}
sa.reserve(size); sa.reserve(size);
//TODO: add some optimization here later //TODO: add some optimization here later
@ -289,7 +294,7 @@ namespace epee
RECURSION_LIMITATION(); RECURSION_LIMITATION();
sec.m_entries.clear(); sec.m_entries.clear();
size_t count = read_varint(); size_t count = read_varint();
CHECK_AND_ASSERT_THROW_MES(count < EPEE_PORTABLE_STORAGE_OBJECT_LIMIT_INTERNAL - m_objects, "Too many objects"); CHECK_AND_ASSERT_THROW_MES(count <= EPEE_PORTABLE_STORAGE_OBJECT_LIMIT_INTERNAL - m_objects, "Too many objects");
m_objects += count; m_objects += count;
while(count--) while(count--)
{ {