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Re: (ITS#4707) patch: option to bind client socket to an address

At 12:12 PM 10/18/2006, hyc@symas.com wrote:
>rtsai@ironport.com wrote:
>> Full_Name: Robert Tsai
>> Version: 2.3.27
>> OS: FreeBSD 6.1-RELEASE
>> URL: ftp://ftp.openldap.org/incoming/openldap-2.3.27-bindaddr.patch.txt
>> Submission from: (NULL) (
>> This is a patch that provides a mechanism to bind the LDAP client connection to
>> a desired address via ldap_set_option(..., LDAP_OPT_BINDADDR). This call saves
>> some state which is then used by ldap_int_prepare_socket to bind the socket
>> before opening a connection to the LDAP server.
>I can't think of any good reason to need such a feature. Can you give 
>some background on why anyone would use it?

I can see a few cases where a client might want to bind the
local address, for instance, to ensure use of a particular
network interface.

However, my concern with patch is one of the approach taken
to accommodate this binding.  I'm thinking it might be better
to provide an alternative to ldap_initialize(3) which takes
a connected descriptor instead of a URL.  Then calling program
can do whatever it pleases before its used by slapd(8).

-- Kurt