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As for the port number in the parent commit, a FQDN can't be arbitrarily
long, at most 255 octets. Make decode fail if it's more.
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To control whether stringish Diameter types are decoded to string or
left as binary. The motivation is the same as in the parent commit: to
avoid large strings being copied when incoming Diameter messages are
passed between processes; or *if* in the case of messages destined for
handle_request and handle_answer callbacks, since these are decoded in
the dedicated processes that the callbacks take place in. It would be
possible to do something about other messages without requiring an
option, but disabling the decode is the most effective.
The value is a boolean(), true being the default for backwards
compatibility. Setting false causes both diameter_caps records and
decoded messages to contain binary() in relevant places that previously
had string(): diameter_app(3) callbacks need to be prepared for the
change.
The Diameter types affected are OctetString and the derived types that
can contain arbitrarily large values: OctetString, UTF8String,
DiameterIdentity, DiameterURI, IPFilterRule, and QoSFilterRule. Time and
Address are unaffected.
The DiameterURI decode has been redone using re(3), which both
simplifies and does away with a vulnerability resulting from the
conversion of arbitrary strings to atom.
The solution continues the use and abuse of the process dictionary for
encode/decode purposes, last seen in commit 0f9cdba.
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To accept any nested list of codepoints and binaries. A list containing
a binary was previously misinterpreted and the documentation was
incomplete.
Also, rework codec suite slightly to be able to specify values for which
decode o encode is the identity map, for which encode should succeed,
and for which encode should fail.
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Fix errors and omissions related to dictionary compilation.
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The former doesn't allow seealso content, which erl_docgen doesn't
enforce, resulting in mangled PDF.
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* anders/diameter/augment_inherited_enums/OTP-9469:
Allow @enum when AVP is defined in an inherited dictionary.
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3GPP standards (for one) extend the values allowed for RFC 3588
AVP's of type Enumerated. Previously, extending an AVP was only
possible by completely redefining the AVP.
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@id defines an application identifier and this is used only when sending
or receiving messages. A dictionary can define only AVP's however,
to be included by other dictionaries using @inherits, in which case it
makes no sense to require @id.
Note that message definitions are not inherited with @inherits, only
AVP's
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Added an introductory chapter to the User's Guide as well as more
detailed release notes.
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The application provides an implementation of the Diameter protocol
as defined in RFC 3588.
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