I've been looking at all three of these database libraries, and I'm wondering if they do anything to prevent SQL injection. I'm most likely going to be building a lib on top of one of them, and injection is a top concern I have in picking one. Anybody know?
Preventing SQL injection in C++ OTL, DTL, or SOCI libraries
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Got with the author of the OTL library. A parameterized query written in "OTL Dialect," as I'm calling it, will be passed to the underlying DB APIs as a parameterized query. So parameterized queries would be as injection safe as the underlying APIs make them.
Go to this other SO post for his full e-mail explanation: Is C++ OTL SQL database library using parameterized queries under the hood, or string concat?
Edit: SOCI uses the
soci::use
expression, which translates to the usual binding mechanism, but with more syntactic sugar. Example:db_session << "insert into table(column) values(:value_placeholder)", use(user_input,"value_placeholder");
As far as DTL is concerned, I'm not sure what it do with parameters in relation to the underlying APIs.