rename "gss_accept_deleg" to "gss_accept_delegation".

This is more consistent with existing GUC spelling.

Discussion: https://postgr.es/m/ZGdnEsGtNj7+fZoa@momjian.us

contrib/dblink/dblink.c

@@ -2604,7 +2604,7 @@ dblink_security_check(PGconn *conn, remoteConn *rconn, const char *connstr)
 
 #ifdef ENABLE_GSS
 	/* If GSSAPI creds used to connect, make sure it was one delegated */
-	if (PQconnectionUsedGSSAPI(conn) && be_gssapi_get_deleg(MyProcPort))
+	if (PQconnectionUsedGSSAPI(conn) && be_gssapi_get_delegation(MyProcPort))
 		return;
 #endif
 
@@ -2671,7 +2671,7 @@ dblink_connstr_check(const char *connstr)
 		return;
 
 #ifdef ENABLE_GSS
-	if (be_gssapi_get_deleg(MyProcPort))
+	if (be_gssapi_get_delegation(MyProcPort))
 		return;
 #endif
 

contrib/postgres_fdw/connection.c

@@ -402,7 +402,7 @@ pgfdw_security_check(const char **keywords, const char **values, UserMapping *us
 
 #ifdef ENABLE_GSS
 	/* Connected via GSSAPI with delegated credentials- all good. */
-	if (PQconnectionUsedGSSAPI(conn) && be_gssapi_get_deleg(MyProcPort))
+	if (PQconnectionUsedGSSAPI(conn) && be_gssapi_get_delegation(MyProcPort))
 		return;
 #endif
 
@@ -612,7 +612,7 @@ check_conn_params(const char **keywords, const char **values, UserMapping *user)
 
 #ifdef ENABLE_GSS
 	/* ok if the user provided their own delegated credentials */
-	if (be_gssapi_get_deleg(MyProcPort))
+	if (be_gssapi_get_delegation(MyProcPort))
 		return;
 #endif
 

doc/src/sgml/config.sgml

@@ -1190,10 +1190,10 @@ include_dir 'conf.d'
       </listitem>
      </varlistentry>
 
-     <varlistentry id="guc-gss-accept-deleg" xreflabel="gss_accept_deleg">
+     <varlistentry id="guc-gss-accept-deleg" xreflabel="gss_accept_delegation">
-      <term><varname>gss_accept_deleg</varname> (<type>boolean</type>)
+      <term><varname>gss_accept_delegation</varname> (<type>boolean</type>)
       <indexterm>
-       <primary><varname>gss_accept_deleg</varname> configuration parameter</primary>
+       <primary><varname>gss_accept_delegation</varname> configuration parameter</primary>
       </indexterm>
       </term>
       <listitem>

doc/src/sgml/release-16.sgml

@@ -946,7 +946,7 @@ Add support for Kerberos credential delegation (Stephen Frost)
 </para>
 
 <para>
-This is enabled with server variable gss_accept_deleg.
+This is enabled with server variable gss_accept_delegation.
 </para>
 </listitem>
 

src/backend/libpq/auth.c

@@ -165,7 +165,7 @@ static int	CheckCertAuth(Port *port);
  */
 char	   *pg_krb_server_keyfile;
 bool		pg_krb_caseins_users;
-bool		pg_gss_accept_deleg;
+bool		pg_gss_accept_delegation;
 
 
 /*----------------------------------------------------------------
@@ -1003,7 +1003,7 @@ pg_GSS_recvauth(Port *port)
 										  &port->gss->outbuf,
 										  &gflags,
 										  NULL,
-										  pg_gss_accept_deleg ? &delegated_creds : NULL);
+										  pg_gss_accept_delegation ? &delegated_creds : NULL);
 
 		/* gbuf no longer used */
 		pfree(buf.data);

src/backend/libpq/be-secure-gssapi.c

@@ -593,7 +593,7 @@ secure_open_gssapi(Port *port)
 									   GSS_C_NO_CREDENTIAL, &input,
 									   GSS_C_NO_CHANNEL_BINDINGS,
 									   &port->gss->name, NULL, &output, NULL,
-									   NULL, pg_gss_accept_deleg ? &delegated_creds : NULL);
+									   NULL, pg_gss_accept_delegation ? &delegated_creds : NULL);
 
 		if (GSS_ERROR(major))
 		{
@@ -749,7 +749,7 @@ be_gssapi_get_princ(Port *port)
  * connection.
  */
 bool
-be_gssapi_get_deleg(Port *port)
+be_gssapi_get_delegation(Port *port)
 {
 	if (!port || !port->gss)
 		return false;

src/backend/utils/activity/backend_status.c

@@ -384,7 +384,7 @@ pgstat_bestart(void)
 		lbeentry.st_gss = true;
 		lgssstatus.gss_auth = be_gssapi_get_auth(MyProcPort);
 		lgssstatus.gss_enc = be_gssapi_get_enc(MyProcPort);
-		lgssstatus.gss_deleg = be_gssapi_get_deleg(MyProcPort);
+		lgssstatus.gss_delegation = be_gssapi_get_delegation(MyProcPort);
 		if (princ)
 			strlcpy(lgssstatus.gss_princ, princ, NAMEDATALEN);
 	}

src/backend/utils/adt/pgstatfuncs.c

@@ -600,7 +600,7 @@ pg_stat_get_activity(PG_FUNCTION_ARGS)
 				values[25] = BoolGetDatum(beentry->st_gssstatus->gss_auth); /* gss_auth */
 				values[26] = CStringGetTextDatum(beentry->st_gssstatus->gss_princ);
 				values[27] = BoolGetDatum(beentry->st_gssstatus->gss_enc);	/* GSS Encryption in use */
-				values[28] = BoolGetDatum(beentry->st_gssstatus->gss_deleg);	/* GSS credentials
+				values[28] = BoolGetDatum(beentry->st_gssstatus->gss_delegation);	/* GSS credentials
 																				 * delegated */
 			}
 			else

src/backend/utils/init/postinit.c

@@ -285,14 +285,14 @@ PerformAuthentication(Port *port)
 								 _(" GSS (authenticated=%s, encrypted=%s, deleg_credentials=%s, principal=%s)"),
 								 be_gssapi_get_auth(port) ? _("yes") : _("no"),
 								 be_gssapi_get_enc(port) ? _("yes") : _("no"),
-								 be_gssapi_get_deleg(port) ? _("yes") : _("no"),
+								 be_gssapi_get_delegation(port) ? _("yes") : _("no"),
 								 princ);
 			else
 				appendStringInfo(&logmsg,
 								 _(" GSS (authenticated=%s, encrypted=%s, deleg_credentials=%s)"),
 								 be_gssapi_get_auth(port) ? _("yes") : _("no"),
 								 be_gssapi_get_enc(port) ? _("yes") : _("no"),
-								 be_gssapi_get_deleg(port) ? _("yes") : _("no"));
+								 be_gssapi_get_delegation(port) ? _("yes") : _("no"));
 		}
 #endif
 

src/backend/utils/misc/guc_tables.c

@@ -1728,11 +1728,11 @@ struct config_bool ConfigureNamesBool[] =
 	},
 
 	{
-		{"gss_accept_deleg", PGC_SIGHUP, CONN_AUTH_AUTH,
+		{"gss_accept_delegation", PGC_SIGHUP, CONN_AUTH_AUTH,
 			gettext_noop("Sets whether GSSAPI delegation should be accepted from the client."),
 			NULL
 		},
-		&pg_gss_accept_deleg,
+		&pg_gss_accept_delegation,
 		false,
 		NULL, NULL, NULL
 	},

src/include/libpq/auth.h

@@ -18,7 +18,7 @@
 
 extern PGDLLIMPORT char *pg_krb_server_keyfile;
 extern PGDLLIMPORT bool pg_krb_caseins_users;
-extern PGDLLIMPORT bool pg_gss_accept_deleg;
+extern PGDLLIMPORT bool pg_gss_accept_delegation;
 extern PGDLLIMPORT char *pg_krb_realm;
 
 extern void ClientAuthentication(Port *port);

src/include/libpq/libpq-be.h

@@ -329,7 +329,7 @@ extern PGDLLIMPORT openssl_tls_init_hook_typ openssl_tls_init_hook;
 extern bool be_gssapi_get_auth(Port *port);
 extern bool be_gssapi_get_enc(Port *port);
 extern const char *be_gssapi_get_princ(Port *port);
-extern bool be_gssapi_get_deleg(Port *port);
+extern bool be_gssapi_get_delegation(Port *port);
 
 /* Read and write to a GSSAPI-encrypted connection. */
 extern ssize_t be_gssapi_read(Port *port, void *ptr, size_t len);

src/include/utils/backend_status.h

@@ -77,7 +77,7 @@ typedef struct PgBackendGSSStatus
 	char		gss_princ[NAMEDATALEN]; /* GSSAPI Principal used to auth */
 	bool		gss_auth;		/* If GSSAPI authentication was used */
 	bool		gss_enc;		/* If encryption is being used */
-	bool		gss_deleg;		/* If credentials delegated */
+	bool		gss_delegation;	/* If credentials delegated */
 
 } PgBackendGSSStatus;