From: Jay Soffian <jaysoffian@gmail.com>
Date: Tue, 04 Oct 2011 20:09:26 GMT
Subject: Re: [PATCH] contrib: add a pair of credential helpers for Mac OS X's keychain
Message-ID: <CAG+J_DxQg_0YB8X6LMXhus817qRLLQkbCp939Ux4rzO36tj4Sg@mail.gmail.com>
In-Reply-To: <7vy5x0bmjk.fsf@alter.siamese.dyndns.org>

On Tue, Oct 4, 2011 at 3:10 PM, Junio C Hamano <gitster@pobox.com> wrote:
>
> Hmm, don't we first want to enumerate contexts where we might want to get
> the access information from the user? E.g.
>
>  * "transport" aka "git fetch/push"; I think you meant this by --type=network,
>   but there probably are other kinds of accesses over "network".
>  * "imap-send".
>  * "send-email".
>  * "tag -s" and perhaps upcoming "push --signed" or "commit --gpg-sign"?
>
> Anything else?

Perhaps it would be illustrative to look at the OS X keychain API call
for adding a password to the store:

OSStatus SecKeychainAddInternetPassword (
   SecKeychainRef keychain,
   UInt32 serverNameLength,
   const char *serverName,
   UInt32 securityDomainLength,
   const char *securityDomain,
   UInt32 accountNameLength,
   const char *accountName,
   UInt32 pathLength,
   const char *path,
   UInt16 port,
   SecProtocolType protocol,
   SecAuthenticationType authenticationType,
   UInt32 passwordLength,
   const void *passwordData,
   SecKeychainItemRef *itemRef
);

SecProtocolType is an enum of 4-char values such as 'ftp ', 'http',
etc. Similarly for SecAuthenticationType which uses values such as
'form' (web form), 'http' (basic auth), etc.

http://developer.apple.com/library/mac/#documentation/Security/Reference/keychainservices/Reference/reference.html#//apple_ref/doc/c_ref/SecKeychainAddInternetPassword
http://developer.apple.com/library/mac/#documentation/Security/Reference/keychainservices/Reference/reference.html#//apple_ref/doc/c_ref/SecProtocolType
http://developer.apple.com/library/mac/#documentation/Security/Reference/keychainservices/Reference/reference.html#//apple_ref/doc/c_ref/SecAuthenticationType

j.