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Change ALPN protocol ID to IANA-approved "postgresql"

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"TBD-pgsql" was a placeholder until the IANA registration was
approved.

Discussion: https://www.postgresql.org/message-id/87jzk2hj2n.fsf%40wibble.ilmari.org
Discussion: https://mailarchive.ietf.org/arch/msg/tls-reg-review/9LWPzQfOpbc8dTT7vc9ahNeNaiw/
This commit is contained in:
Heikki Linnakangas
2024-05-11 18:48:19 +03:00
parent 31e8f4e619
commit 407e0b023c
3 changed files with 4 additions and 4 deletions
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2
doc/src/sgml/libpq.sgml
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@@ -2949,7 +2949,7 @@ const char *PQsslAttribute(const PGconn *conn, const char *attribute_name);
<para> <para>
Application protocol selected by the TLS Application-Layer Application protocol selected by the TLS Application-Layer
Protocol Negotiation (ALPN) extension. The only protocol Protocol Negotiation (ALPN) extension. The only protocol
supported by libpq is <literal>TBD-pgsql</literal>, so this is supported by libpq is <literal>postgresql</literal>, so this is
mainly useful for checking whether the server supported ALPN or mainly useful for checking whether the server supported ALPN or
not. Empty string if ALPN was not used. not. Empty string if ALPN was not used.
</para> </para>

2
doc/src/sgml/protocol.sgml
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@@ -1564,7 +1564,7 @@ SELCT 1/0;<!-- this typo is intentional -->
required to use the ALPN extension defined required to use the ALPN extension defined
by <ulink url="https://tools.ietf.org/html/rfc7301">RFC 7301</ulink> to by <ulink url="https://tools.ietf.org/html/rfc7301">RFC 7301</ulink> to
protect against protocol confusion attacks. protect against protocol confusion attacks.
The <productname>PostgreSQL</productname> protocol is "TBD-pgsql" as The <productname>PostgreSQL</productname> protocol is "postgresql" as
registered registered
at <ulink url="https://www.iana.org/assignments/tls-extensiontype-values/tls-extensiontype-values.xhtml#alpn-protocol-ids">IANA at <ulink url="https://www.iana.org/assignments/tls-extensiontype-values/tls-extensiontype-values.xhtml#alpn-protocol-ids">IANA
TLS ALPN Protocol IDs</ulink> registry. TLS ALPN Protocol IDs</ulink> registry.

4
src/include/libpq/pqcomm.h
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@@ -156,8 +156,8 @@ typedef struct CancelRequestPacket
* *
* The #define can be used to initialize a char[] vector to use directly in the API * The #define can be used to initialize a char[] vector to use directly in the API
*/ */
#define PG_ALPN_PROTOCOL "TBD-pgsql" #define PG_ALPN_PROTOCOL "postgresql"
#define PG_ALPN_PROTOCOL_VECTOR { 9, 'T','B','D','-','p','g','s','q','l' } #define PG_ALPN_PROTOCOL_VECTOR { 10, 'p','o','s','t','g','r','e','s','q','l' }
/* /*
* A client can also start by sending a SSL or GSSAPI negotiation request to * A client can also start by sending a SSL or GSSAPI negotiation request to