Validation of the chain of input of qnx playbook dialogue

Should I be validating my strings returned in the qnx entry dialog components, or are they completely encapsulated and not to be concerned.

is it possible for a user to inject code through these entries.

using this information for the username and password boxes and checking so far, I'm only white or no length of entry amd.

I could remove all nonalphanumeric characters, but if I put t had I won, t.

thoughts?

Thanks - dave

Injection attacks depend on how use the data, not on where it comes from. If you want to paste these values in a SQLite database, and that you are not properly using parameterized queries then this is definitely a potential attack vector.

Same thing if you're going to have these data pushed into a web service somewhere, which is poorly written and may be subject to similar attacks.

The fact, it comes to, say, qnx.ui.text.TextInput, however, is not relevant.

Tags: BlackBerry Developers

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