Commits on May 10, 2021

1. Increase MAX_REQ_LEN to allow transport of more sophisticated credent… …

   …ials
   
   The constant MAX_REQ_LEN, which controls the maximum size of a password
   accepted by saslauthd, is increased from 256 to 65536.  Though a simple
   human-typed plaintext password is unlikely to ever be so big, this
   allows saslauthd to accept other, larger credentials.  In particular,
   this is large enough to allow saslauthd to receive SAML2 security
   assertions and pass them through to a PAM authenticator for verification.
   
   MAX_REQ_LEN also affects the fixed-size buffers allocated for "login",
   "service", "realm", and "client_addr", though only "password" needs
   to be enlarged for this use-case.  However, at this point it doesn't
   seem to be worth the effort/complexity to introduce a separate constant
   to independently control the size of the "password" buffer.
   
   Signed-off-by: Matt Marjanović <maddog@mir.com>

   

   mdoggydog committed May 10, 2021
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