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Add missing buffer size check to SQLite QuoteString impl

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This commit is contained in:
Asher Baker 2016-02-15 14:19:11 +00:00
parent 1ff13c59cf
commit 7c3bcc9c25
1 changed files with 12 additions and 0 deletions
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12
extensions/sqlite/driver/SqDatabase.cpp
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@ -84,6 +84,18 @@ IDBDriver *SqDatabase::GetDriver()
bool SqDatabase::QuoteString(const char *str, char buffer[], size_t maxlen, size_t *newSize)
{
unsigned long size = static_cast<unsigned long>(strlen(str));
unsigned long needed = size * 2 + 1;
if (maxlen < needed)
{
if (newSize != NULL)
{
*newSize = (size_t)needed;
}
return false;
}
char *res = sqlite3_snprintf(static_cast<int>(maxlen), buffer, "%q", str);
if (res != NULL && newSize != NULL)