[Freeipa-devel] [PATCH 0019] Add proper DN escaping before LDAP library calls

[Petr Spacek]

On 05/03/2012 11:25 AM, Petr Spacek wrote:
> Hello,
>
> this patch adds missing DNS->LDAP escaping conversion. It's necessary to
> prevent (potential) LDAP injection attacks in future.
>
> Code isn't very nice, because DNS users decimal escaping \123, LDAP uses
> hexadecimal escaping \ab and set of escaped characters is smaller in DNS than
> in LDAP.
>
> Any improvements are welcome.
>
> Petr^2 Spacek

Here is second version of the patch.

Changes:
- comments
- order of [._-] in if()
- function was renamed to dns_to_ldap_dn_escape()

Escaping logic itself wasn't changed.

Petr^2 Spacek
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