Remove the adminpack contrib extension

The adminpack extension was only used to support pgAdmin III,  which
in turn was declared EOL many years ago. Removing the extension also
allows us to remove functions from core as well which were only used
to support old version of adminpack.

Reviewed-by: Tom Lane <[email protected]>
Reviewed-by: Nathan Bossart <[email protected]>
Reviewed-by: Bharath Rupireddy <[email protected]>
Discussion: https://postgr.es/m/CALj2ACUmL5TraYBUBqDZBi1C+Re8_=SekqGYqYprj_W8wygQ8w@mail.gmail.com

13 files changed, 0 insertions, 1037 deletions

diff --git a/contrib/Makefile b/contrib/Makefile
index da4e2316a3b..abd780f2774 100644
--- a/contrib/Makefile
+++ b/contrib/Makefile
@@ -5,7 +5,6 @@ top_builddir = ..
 include $(top_builddir)/src/Makefile.global
 
 SUBDIRS = \
-		adminpack	\
 		amcheck		\
 		auth_delay	\
 		auto_explain	\
diff --git a/contrib/adminpack/.gitignore b/contrib/adminpack/.gitignore
deleted file mode 100644
index 5dcb3ff9723..00000000000
--- a/contrib/adminpack/.gitignore
+++ /dev/null
@@ -1,4 +0,0 @@
-# Generated subdirectories
-/log/
-/results/
-/tmp_check/
diff --git a/contrib/adminpack/Makefile b/contrib/adminpack/Makefile
deleted file mode 100644
index 851504f4aef..00000000000
--- a/contrib/adminpack/Makefile
+++ /dev/null
@@ -1,24 +0,0 @@
-# contrib/adminpack/Makefile
-
-MODULE_big = adminpack
-OBJS = \
-	$(WIN32RES) \
-	adminpack.o
-
-EXTENSION = adminpack
-DATA = adminpack--1.0.sql adminpack--1.0--1.1.sql adminpack--1.1--2.0.sql\
-	adminpack--2.0--2.1.sql
-PGFILEDESC = "adminpack - support functions for pgAdmin"
-
-REGRESS = adminpack
-
-ifdef USE_PGXS
-PG_CONFIG = pg_config
-PGXS := $(shell $(PG_CONFIG) --pgxs)
-include $(PGXS)
-else
-subdir = contrib/adminpack
-top_builddir = ../..
-include $(top_builddir)/src/Makefile.global
-include $(top_srcdir)/contrib/contrib-global.mk
-endif
diff --git a/contrib/adminpack/adminpack--1.0--1.1.sql b/contrib/adminpack/adminpack--1.0--1.1.sql
deleted file mode 100644
index bb581653e0d..00000000000
--- a/contrib/adminpack/adminpack--1.0--1.1.sql
+++ /dev/null
@@ -1,6 +0,0 @@
-/* contrib/adminpack/adminpack--1.0--1.1.sql */
-
--- complain if script is sourced in psql, rather than via ALTER EXTENSION
-\echo Use "ALTER EXTENSION adminpack UPDATE TO '1.1'" to load this file. \quit
-
-REVOKE EXECUTE ON FUNCTION pg_catalog.pg_logfile_rotate() FROM PUBLIC;
diff --git a/contrib/adminpack/adminpack--1.0.sql b/contrib/adminpack/adminpack--1.0.sql
deleted file mode 100644
index f76f5c3cdf7..00000000000
--- a/contrib/adminpack/adminpack--1.0.sql
+++ /dev/null
@@ -1,53 +0,0 @@
-/* contrib/adminpack/adminpack--1.0.sql */
-
--- complain if script is sourced in psql, rather than via CREATE EXTENSION
-\echo Use "CREATE EXTENSION adminpack" to load this file. \quit
-
-/* ***********************************************
- * Administrative functions for PostgreSQL
- * *********************************************** */
-
-/* generic file access functions */
-
-CREATE FUNCTION pg_catalog.pg_file_write(text, text, bool)
-RETURNS bigint
-AS 'MODULE_PATHNAME', 'pg_file_write'
-LANGUAGE C VOLATILE STRICT;
-
-CREATE FUNCTION pg_catalog.pg_file_rename(text, text, text)
-RETURNS bool
-AS 'MODULE_PATHNAME', 'pg_file_rename'
-LANGUAGE C VOLATILE;
-
-CREATE FUNCTION pg_catalog.pg_file_rename(text, text)
-RETURNS bool
-AS 'SELECT pg_catalog.pg_file_rename($1, $2, NULL::pg_catalog.text);'
-LANGUAGE SQL VOLATILE STRICT;
-
-CREATE FUNCTION pg_catalog.pg_file_unlink(text)
-RETURNS bool
-AS 'MODULE_PATHNAME', 'pg_file_unlink'
-LANGUAGE C VOLATILE STRICT;
-
-CREATE FUNCTION pg_catalog.pg_logdir_ls()
-RETURNS setof record
-AS 'MODULE_PATHNAME', 'pg_logdir_ls'
-LANGUAGE C VOLATILE STRICT;
-
-
-/* Renaming of existing backend functions for pgAdmin compatibility */
-
-CREATE FUNCTION pg_catalog.pg_file_read(text, bigint, bigint)
-RETURNS text
-AS 'pg_read_file'
-LANGUAGE INTERNAL VOLATILE STRICT;
-
-CREATE FUNCTION pg_catalog.pg_file_length(text)
-RETURNS bigint
-AS 'SELECT size FROM pg_catalog.pg_stat_file($1)'
-LANGUAGE SQL VOLATILE STRICT;
-
-CREATE FUNCTION pg_catalog.pg_logfile_rotate()
-RETURNS int4
-AS 'pg_rotate_logfile'
-LANGUAGE INTERNAL VOLATILE STRICT;
diff --git a/contrib/adminpack/adminpack--1.1--2.0.sql b/contrib/adminpack/adminpack--1.1--2.0.sql
deleted file mode 100644
index ceaeafa3789..00000000000
--- a/contrib/adminpack/adminpack--1.1--2.0.sql
+++ /dev/null
@@ -1,51 +0,0 @@
-/* contrib/adminpack/adminpack--1.1--2.0.sql */
-
--- complain if script is sourced in psql, rather than via ALTER EXTENSION
-\echo Use "ALTER EXTENSION adminpack UPDATE TO '2.0'" to load this file. \quit
-
-/* ***********************************************
- * Administrative functions for PostgreSQL
- * *********************************************** */
-
-/* generic file access functions */
-
-CREATE OR REPLACE FUNCTION pg_catalog.pg_file_write(text, text, bool)
-RETURNS bigint
-AS 'MODULE_PATHNAME', 'pg_file_write_v1_1'
-LANGUAGE C VOLATILE STRICT;
-
-REVOKE EXECUTE ON FUNCTION pg_catalog.pg_file_write(text, text, bool) FROM PUBLIC;
-
-CREATE OR REPLACE FUNCTION pg_catalog.pg_file_rename(text, text, text)
-RETURNS bool
-AS 'MODULE_PATHNAME', 'pg_file_rename_v1_1'
-LANGUAGE C VOLATILE;
-
-REVOKE EXECUTE ON FUNCTION pg_catalog.pg_file_rename(text, text, text) FROM PUBLIC;
-
-CREATE OR REPLACE FUNCTION pg_catalog.pg_file_rename(text, text)
-RETURNS bool
-AS 'SELECT pg_catalog.pg_file_rename($1, $2, NULL::pg_catalog.text);'
-LANGUAGE SQL VOLATILE STRICT;
-
-CREATE OR REPLACE FUNCTION pg_catalog.pg_file_unlink(text)
-RETURNS bool
-AS 'MODULE_PATHNAME', 'pg_file_unlink_v1_1'
-LANGUAGE C VOLATILE STRICT;
-
-REVOKE EXECUTE ON FUNCTION pg_catalog.pg_file_unlink(text) FROM PUBLIC;
-
-CREATE OR REPLACE FUNCTION pg_catalog.pg_logdir_ls()
-RETURNS setof record
-AS 'MODULE_PATHNAME', 'pg_logdir_ls_v1_1'
-LANGUAGE C VOLATILE STRICT;
-
-REVOKE EXECUTE ON FUNCTION pg_catalog.pg_logdir_ls() FROM PUBLIC;
-
-/* These functions are now in the backend and callers should update to use those */
-
-DROP FUNCTION pg_file_read(text, bigint, bigint);
-
-DROP FUNCTION pg_file_length(text);
-
-DROP FUNCTION pg_logfile_rotate();
diff --git a/contrib/adminpack/adminpack--2.0--2.1.sql b/contrib/adminpack/adminpack--2.0--2.1.sql
deleted file mode 100644
index 1c6712e8163..00000000000
--- a/contrib/adminpack/adminpack--2.0--2.1.sql
+++ /dev/null
@@ -1,17 +0,0 @@
-/* contrib/adminpack/adminpack--2.0--2.1.sql */
-
--- complain if script is sourced in psql, rather than via ALTER EXTENSION
-\echo Use "ALTER EXTENSION adminpack UPDATE TO '2.1'" to load this file. \quit
-
-/* ***********************************************
- * Administrative functions for PostgreSQL
- * *********************************************** */
-
-/* generic file access functions */
-
-CREATE OR REPLACE FUNCTION pg_catalog.pg_file_sync(text)
-RETURNS void
-AS 'MODULE_PATHNAME', 'pg_file_sync'
-LANGUAGE C VOLATILE STRICT;
-
-REVOKE EXECUTE ON FUNCTION pg_catalog.pg_file_sync(text) FROM PUBLIC;
diff --git a/contrib/adminpack/adminpack.c b/contrib/adminpack/adminpack.c
deleted file mode 100644
index 1d8b2bbe25b..00000000000
--- a/contrib/adminpack/adminpack.c
+++ /dev/null
@@ -1,591 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * adminpack.c
- *
- *
- * Copyright (c) 2002-2024, PostgreSQL Global Development Group
- *
- * Author: Andreas Pflug <[email protected]>
- *
- * IDENTIFICATION
- *	  contrib/adminpack/adminpack.c
- *
- *-------------------------------------------------------------------------
- */
-#include "postgres.h"
-
-#include <sys/file.h>
-#include <sys/stat.h>
-#include <unistd.h>
-
-#include "catalog/pg_authid.h"
-#include "catalog/pg_type.h"
-#include "funcapi.h"
-#include "miscadmin.h"
-#include "postmaster/syslogger.h"
-#include "storage/fd.h"
-#include "utils/acl.h"
-#include "utils/builtins.h"
-#include "utils/datetime.h"
-
-
-#ifdef WIN32
-
-#ifdef rename
-#undef rename
-#endif
-
-#ifdef unlink
-#undef unlink
-#endif
-#endif
-
-PG_MODULE_MAGIC;
-
-PG_FUNCTION_INFO_V1(pg_file_write);
-PG_FUNCTION_INFO_V1(pg_file_write_v1_1);
-PG_FUNCTION_INFO_V1(pg_file_sync);
-PG_FUNCTION_INFO_V1(pg_file_rename);
-PG_FUNCTION_INFO_V1(pg_file_rename_v1_1);
-PG_FUNCTION_INFO_V1(pg_file_unlink);
-PG_FUNCTION_INFO_V1(pg_file_unlink_v1_1);
-PG_FUNCTION_INFO_V1(pg_logdir_ls);
-PG_FUNCTION_INFO_V1(pg_logdir_ls_v1_1);
-
-static int64 pg_file_write_internal(text *file, text *data, bool replace);
-static bool pg_file_rename_internal(text *file1, text *file2, text *file3);
-static Datum pg_logdir_ls_internal(FunctionCallInfo fcinfo);
-
-
-/*-----------------------
- * some helper functions
- */
-
-/*
- * Convert a "text" filename argument to C string, and check it's allowable.
- *
- * Filename may be absolute or relative to the DataDir, but we only allow
- * absolute paths that match DataDir.
- */
-static char *
-convert_and_check_filename(text *arg)
-{
-	char	   *filename = text_to_cstring(arg);
-
-	canonicalize_path(filename);	/* filename can change length here */
-
-	/*
-	 * Members of the 'pg_write_server_files' role are allowed to access any
-	 * files on the server as the PG user, so no need to do any further checks
-	 * here.
-	 */
-	if (has_privs_of_role(GetUserId(), ROLE_PG_WRITE_SERVER_FILES))
-		return filename;
-
-	/*
-	 * User isn't a member of the pg_write_server_files role, so check if it's
-	 * allowable
-	 */
-	if (is_absolute_path(filename))
-	{
-		/* Allow absolute paths if within DataDir */
-		if (!path_is_prefix_of_path(DataDir, filename))
-			ereport(ERROR,
-					(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
-					 errmsg("absolute path not allowed")));
-	}
-	else if (!path_is_relative_and_below_cwd(filename))
-		ereport(ERROR,
-				(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
-				 errmsg("path must be in or below the data directory")));
-
-	return filename;
-}
-
-
-/*
- * check for superuser, bark if not.
- */
-static void
-requireSuperuser(void)
-{
-	if (!superuser())
-		ereport(ERROR,
-				(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
-				 errmsg("only superuser may access generic file functions")));
-}
-
-
-
-/* ------------------------------------
- * pg_file_write - old version
- *
- * The superuser() check here must be kept as the library might be upgraded
- * without the extension being upgraded, meaning that in pre-1.1 installations
- * these functions could be called by any user.
- */
-Datum
-pg_file_write(PG_FUNCTION_ARGS)
-{
-	text	   *file = PG_GETARG_TEXT_PP(0);
-	text	   *data = PG_GETARG_TEXT_PP(1);
-	bool		replace = PG_GETARG_BOOL(2);
-	int64		count = 0;
-
-	requireSuperuser();
-
-	count = pg_file_write_internal(file, data, replace);
-
-	PG_RETURN_INT64(count);
-}
-
-/* ------------------------------------
- * pg_file_write_v1_1 - Version 1.1
- *
- * As of adminpack version 1.1, we no longer need to check if the user
- * is a superuser because we REVOKE EXECUTE on the function from PUBLIC.
- * Users can then grant access to it based on their policies.
- *
- * Otherwise identical to pg_file_write (above).
- */
-Datum
-pg_file_write_v1_1(PG_FUNCTION_ARGS)
-{
-	text	   *file = PG_GETARG_TEXT_PP(0);
-	text	   *data = PG_GETARG_TEXT_PP(1);
-	bool		replace = PG_GETARG_BOOL(2);
-	int64		count = 0;
-
-	count = pg_file_write_internal(file, data, replace);
-
-	PG_RETURN_INT64(count);
-}
-
-/* ------------------------------------
- * pg_file_write_internal - Workhorse for pg_file_write functions.
- *
- * This handles the actual work for pg_file_write.
- */
-static int64
-pg_file_write_internal(text *file, text *data, bool replace)
-{
-	FILE	   *f;
-	char	   *filename;
-	int64		count = 0;
-
-	filename = convert_and_check_filename(file);
-
-	if (!replace)
-	{
-		struct stat fst;
-
-		if (stat(filename, &fst) >= 0)
-			ereport(ERROR,
-					(errcode(ERRCODE_DUPLICATE_FILE),
-					 errmsg("file \"%s\" exists", filename)));
-
-		f = AllocateFile(filename, "wb");
-	}
-	else
-		f = AllocateFile(filename, "ab");
-
-	if (!f)
-		ereport(ERROR,
-				(errcode_for_file_access(),
-				 errmsg("could not open file \"%s\" for writing: %m",
-						filename)));
-
-	count = fwrite(VARDATA_ANY(data), 1, VARSIZE_ANY_EXHDR(data), f);
-	if (count != VARSIZE_ANY_EXHDR(data) || FreeFile(f))
-		ereport(ERROR,
-				(errcode_for_file_access(),
-				 errmsg("could not write file \"%s\": %m", filename)));
-
-	return (count);
-}
-
-/* ------------------------------------
- * pg_file_sync
- *
- * We REVOKE EXECUTE on the function from PUBLIC.
- * Users can then grant access to it based on their policies.
- */
-Datum
-pg_file_sync(PG_FUNCTION_ARGS)
-{
-	char	   *filename;
-	struct stat fst;
-
-	filename = convert_and_check_filename(PG_GETARG_TEXT_PP(0));
-
-	if (stat(filename, &fst) < 0)
-		ereport(ERROR,
-				(errcode_for_file_access(),
-				 errmsg("could not stat file \"%s\": %m", filename)));
-
-	fsync_fname_ext(filename, S_ISDIR(fst.st_mode), false, ERROR);
-
-	PG_RETURN_VOID();
-}
-
-/* ------------------------------------
- * pg_file_rename - old version
- *
- * The superuser() check here must be kept as the library might be upgraded
- * without the extension being upgraded, meaning that in pre-1.1 installations
- * these functions could be called by any user.
- */
-Datum
-pg_file_rename(PG_FUNCTION_ARGS)
-{
-	text	   *file1;
-	text	   *file2;
-	text	   *file3;
-	bool		result;
-
-	requireSuperuser();
-
-	if (PG_ARGISNULL(0) || PG_ARGISNULL(1))
-		PG_RETURN_NULL();
-
-	file1 = PG_GETARG_TEXT_PP(0);
-	file2 = PG_GETARG_TEXT_PP(1);
-
-	if (PG_ARGISNULL(2))
-		file3 = NULL;
-	else
-		file3 = PG_GETARG_TEXT_PP(2);
-
-	result = pg_file_rename_internal(file1, file2, file3);
-
-	PG_RETURN_BOOL(result);
-}
-
-/* ------------------------------------
- * pg_file_rename_v1_1 - Version 1.1
- *
- * As of adminpack version 1.1, we no longer need to check if the user
- * is a superuser because we REVOKE EXECUTE on the function from PUBLIC.
- * Users can then grant access to it based on their policies.
- *
- * Otherwise identical to pg_file_write (above).
- */
-Datum
-pg_file_rename_v1_1(PG_FUNCTION_ARGS)
-{
-	text	   *file1;
-	text	   *file2;
-	text	   *file3;
-	bool		result;
-
-	if (PG_ARGISNULL(0) || PG_ARGISNULL(1))
-		PG_RETURN_NULL();
-
-	file1 = PG_GETARG_TEXT_PP(0);
-	file2 = PG_GETARG_TEXT_PP(1);
-
-	if (PG_ARGISNULL(2))
-		file3 = NULL;
-	else
-		file3 = PG_GETARG_TEXT_PP(2);
-
-	result = pg_file_rename_internal(file1, file2, file3);
-
-	PG_RETURN_BOOL(result);
-}
-
-/* ------------------------------------
- * pg_file_rename_internal - Workhorse for pg_file_rename functions.
- *
- * This handles the actual work for pg_file_rename.
- */
-static bool
-pg_file_rename_internal(text *file1, text *file2, text *file3)
-{
-	char	   *fn1,
-			   *fn2,
-			   *fn3;
-	int			rc;
-
-	fn1 = convert_and_check_filename(file1);
-	fn2 = convert_and_check_filename(file2);
-
-	if (file3 == NULL)
-		fn3 = NULL;
-	else
-		fn3 = convert_and_check_filename(file3);
-
-	if (access(fn1, W_OK) < 0)
-	{
-		ereport(WARNING,
-				(errcode_for_file_access(),
-				 errmsg("file \"%s\" is not accessible: %m", fn1)));
-
-		return false;
-	}
-
-	if (fn3 && access(fn2, W_OK) < 0)
-	{
-		ereport(WARNING,
-				(errcode_for_file_access(),
-				 errmsg("file \"%s\" is not accessible: %m", fn2)));
-
-		return false;
-	}
-
-	rc = access(fn3 ? fn3 : fn2, W_OK);
-	if (rc >= 0 || errno != ENOENT)
-	{
-		ereport(ERROR,
-				(errcode(ERRCODE_DUPLICATE_FILE),
-				 errmsg("cannot rename to target file \"%s\"",
-						fn3 ? fn3 : fn2)));
-	}
-
-	if (fn3)
-	{
-		if (rename(fn2, fn3) != 0)
-		{
-			ereport(ERROR,
-					(errcode_for_file_access(),
-					 errmsg("could not rename \"%s\" to \"%s\": %m",
-							fn2, fn3)));
-		}
-		if (rename(fn1, fn2) != 0)
-		{
-			ereport(WARNING,
-					(errcode_for_file_access(),
-					 errmsg("could not rename \"%s\" to \"%s\": %m",
-							fn1, fn2)));
-
-			if (rename(fn3, fn2) != 0)
-			{
-				ereport(ERROR,
-						(errcode_for_file_access(),
-						 errmsg("could not rename \"%s\" back to \"%s\": %m",
-								fn3, fn2)));
-			}
-			else
-			{
-				ereport(ERROR,
-						(errcode(ERRCODE_UNDEFINED_FILE),
-						 errmsg("renaming \"%s\" to \"%s\" was reverted",
-								fn2, fn3)));
-			}
-		}
-	}
-	else if (rename(fn1, fn2) != 0)
-	{
-		ereport(ERROR,
-				(errcode_for_file_access(),
-				 errmsg("could not rename \"%s\" to \"%s\": %m", fn1, fn2)));
-	}
-
-	return true;
-}
-
-
-/* ------------------------------------
- * pg_file_unlink - old version
- *
- * The superuser() check here must be kept as the library might be upgraded
- * without the extension being upgraded, meaning that in pre-1.1 installations
- * these functions could be called by any user.
- */
-Datum
-pg_file_unlink(PG_FUNCTION_ARGS)
-{
-	char	   *filename;
-
-	requireSuperuser();
-
-	filename = convert_and_check_filename(PG_GETARG_TEXT_PP(0));
-
-	if (access(filename, W_OK) < 0)
-	{
-		if (errno == ENOENT)
-			PG_RETURN_BOOL(false);
-		else
-			ereport(ERROR,
-					(errcode_for_file_access(),
-					 errmsg("file \"%s\" is not accessible: %m", filename)));
-	}
-
-	if (unlink(filename) < 0)
-	{
-		ereport(WARNING,
-				(errcode_for_file_access(),
-				 errmsg("could not unlink file \"%s\": %m", filename)));
-
-		PG_RETURN_BOOL(false);
-	}
-	PG_RETURN_BOOL(true);
-}
-
-
-/* ------------------------------------
- * pg_file_unlink_v1_1 - Version 1.1
- *
- * As of adminpack version 1.1, we no longer need to check if the user
- * is a superuser because we REVOKE EXECUTE on the function from PUBLIC.
- * Users can then grant access to it based on their policies.
- *
- * Otherwise identical to pg_file_unlink (above).
- */
-Datum
-pg_file_unlink_v1_1(PG_FUNCTION_ARGS)
-{
-	char	   *filename;
-
-	filename = convert_and_check_filename(PG_GETARG_TEXT_PP(0));
-
-	if (access(filename, W_OK) < 0)
-	{
-		if (errno == ENOENT)
-			PG_RETURN_BOOL(false);
-		else
-			ereport(ERROR,
-					(errcode_for_file_access(),
-					 errmsg("file \"%s\" is not accessible: %m", filename)));
-	}
-
-	if (unlink(filename) < 0)
-	{
-		ereport(WARNING,
-				(errcode_for_file_access(),
-				 errmsg("could not unlink file \"%s\": %m", filename)));
-
-		PG_RETURN_BOOL(false);
-	}
-	PG_RETURN_BOOL(true);
-}
-
-/* ------------------------------------
- * pg_logdir_ls - Old version
- *
- * The superuser() check here must be kept as the library might be upgraded
- * without the extension being upgraded, meaning that in pre-1.1 installations
- * these functions could be called by any user.
- */
-Datum
-pg_logdir_ls(PG_FUNCTION_ARGS)
-{
-	if (!superuser())
-		ereport(ERROR,
-				(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
-				 errmsg("only superuser can list the log directory")));
-
-	return (pg_logdir_ls_internal(fcinfo));
-}
-
-/* ------------------------------------
- * pg_logdir_ls_v1_1 - Version 1.1
- *
- * As of adminpack version 1.1, we no longer need to check if the user
- * is a superuser because we REVOKE EXECUTE on the function from PUBLIC.
- * Users can then grant access to it based on their policies.
- *
- * Otherwise identical to pg_logdir_ls (above).
- */
-Datum
-pg_logdir_ls_v1_1(PG_FUNCTION_ARGS)
-{
-	return (pg_logdir_ls_internal(fcinfo));
-}
-
-static Datum
-pg_logdir_ls_internal(FunctionCallInfo fcinfo)
-{
-	ReturnSetInfo *rsinfo = (ReturnSetInfo *) fcinfo->resultinfo;
-	bool		randomAccess;
-	TupleDesc	tupdesc;
-	Tuplestorestate *tupstore;
-	AttInMetadata *attinmeta;
-	DIR		   *dirdesc;
-	struct dirent *de;
-	MemoryContext oldcontext;
-
-	if (strcmp(Log_filename, "postgresql-%Y-%m-%d_%H%M%S.log") != 0)
-		ereport(ERROR,
-				(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
-				 errmsg("the log_filename parameter must equal 'postgresql-%%Y-%%m-%%d_%%H%%M%%S.log'")));
-
-	/* check to see if caller supports us returning a tuplestore */
-	if (rsinfo == NULL || !IsA(rsinfo, ReturnSetInfo))
-		ereport(ERROR,
-				(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
-				 errmsg("set-valued function called in context that cannot accept a set")));
-	if (!(rsinfo->allowedModes & SFRM_Materialize))
-		ereport(ERROR,
-				(errcode(ERRCODE_SYNTAX_ERROR),
-				 errmsg("materialize mode required, but it is not allowed in this context")));
-
-	/* The tupdesc and tuplestore must be created in ecxt_per_query_memory */
-	oldcontext = MemoryContextSwitchTo(rsinfo->econtext->ecxt_per_query_memory);
-
-	tupdesc = CreateTemplateTupleDesc(2);
-	TupleDescInitEntry(tupdesc, (AttrNumber) 1, "starttime",
-					   TIMESTAMPOID, -1, 0);
-	TupleDescInitEntry(tupdesc, (AttrNumber) 2, "filename",
-					   TEXTOID, -1, 0);
-
-	randomAccess = (rsinfo->allowedModes & SFRM_Materialize_Random) != 0;
-	tupstore = tuplestore_begin_heap(randomAccess, false, work_mem);
-	rsinfo->returnMode = SFRM_Materialize;
-	rsinfo->setResult = tupstore;
-	rsinfo->setDesc = tupdesc;
-
-	MemoryContextSwitchTo(oldcontext);
-
-	attinmeta = TupleDescGetAttInMetadata(tupdesc);
-
-	dirdesc = AllocateDir(Log_directory);
-	while ((de = ReadDir(dirdesc, Log_directory)) != NULL)
-	{
-		char	   *values[2];
-		HeapTuple	tuple;
-		char		timestampbuf[32];
-		char	   *field[MAXDATEFIELDS];
-		char		lowstr[MAXDATELEN + 1];
-		int			dtype;
-		int			nf,
-					ftype[MAXDATEFIELDS];
-		fsec_t		fsec;
-		int			tz = 0;
-		struct pg_tm date;
-		DateTimeErrorExtra extra;
-
-		/*
-		 * Default format: postgresql-YYYY-MM-DD_HHMMSS.log
-		 */
-		if (strlen(de->d_name) != 32
-			|| strncmp(de->d_name, "postgresql-", 11) != 0
-			|| de->d_name[21] != '_'
-			|| strcmp(de->d_name + 28, ".log") != 0)
-			continue;
-
-		/* extract timestamp portion of filename */
-		strcpy(timestampbuf, de->d_name + 11);
-		timestampbuf[17] = '\0';
-
-		/* parse and decode expected timestamp to verify it's OK format */
-		if (ParseDateTime(timestampbuf, lowstr, MAXDATELEN, field, ftype, MAXDATEFIELDS, &nf))
-			continue;
-
-		if (DecodeDateTime(field, ftype, nf,
-						   &dtype, &date, &fsec, &tz, &extra))
-			continue;
-
-		/* Seems the timestamp is OK; prepare and return tuple */
-
-		values[0] = timestampbuf;
-		values[1] = psprintf("%s/%s", Log_directory, de->d_name);
-
-		tuple = BuildTupleFromCStrings(attinmeta, values);
-
-		tuplestore_puttuple(tupstore, tuple);
-	}
-
-	FreeDir(dirdesc);
-	return (Datum) 0;
-}
diff --git a/contrib/adminpack/adminpack.control b/contrib/adminpack/adminpack.control
deleted file mode 100644
index ae35d22156a..00000000000
--- a/contrib/adminpack/adminpack.control
+++ /dev/null
@@ -1,6 +0,0 @@
-# adminpack extension
-comment = 'administrative functions for PostgreSQL'
-default_version = '2.1'
-module_pathname = '$libdir/adminpack'
-relocatable = false
-schema = pg_catalog
diff --git a/contrib/adminpack/expected/adminpack.out b/contrib/adminpack/expected/adminpack.out
deleted file mode 100644
index f419a5ea1df..00000000000
--- a/contrib/adminpack/expected/adminpack.out
+++ /dev/null
@@ -1,172 +0,0 @@
-CREATE EXTENSION adminpack;
--- create new file
-SELECT pg_file_write('test_file1', 'test1', false);
- pg_file_write 
----------------
-             5
-(1 row)
-
-SELECT pg_read_file('test_file1');
- pg_read_file 
---------------
- test1
-(1 row)
-
--- append
-SELECT pg_file_write('test_file1', 'test1', true);
- pg_file_write 
----------------
-             5
-(1 row)
-
-SELECT pg_read_file('test_file1');
- pg_read_file 
---------------
- test1test1
-(1 row)
-
--- error, already exists
-SELECT pg_file_write('test_file1', 'test1', false);
-ERROR:  file "test_file1" exists
-SELECT pg_read_file('test_file1');
- pg_read_file 
---------------
- test1test1
-(1 row)
-
--- disallowed file paths for non-superusers and users who are
--- not members of pg_write_server_files
-CREATE ROLE regress_adminpack_user1;
-GRANT pg_read_all_settings TO regress_adminpack_user1;
-GRANT EXECUTE ON FUNCTION pg_file_write(text,text,bool) TO regress_adminpack_user1;
-SET ROLE regress_adminpack_user1;
-SELECT pg_file_write('../test_file0', 'test0', false);
-ERROR:  path must be in or below the data directory
-SELECT pg_file_write('/tmp/test_file0', 'test0', false);
-ERROR:  absolute path not allowed
-SELECT pg_file_write(current_setting('data_directory') || '/test_file4', 'test4', false);
- pg_file_write 
----------------
-             5
-(1 row)
-
-SELECT pg_file_write(current_setting('data_directory') || '/../test_file4', 'test4', false);
-ERROR:  absolute path not allowed
-RESET ROLE;
-REVOKE EXECUTE ON FUNCTION pg_file_write(text,text,bool) FROM regress_adminpack_user1;
-REVOKE pg_read_all_settings FROM regress_adminpack_user1;
-DROP ROLE regress_adminpack_user1;
--- sync
-SELECT pg_file_sync('test_file1'); -- sync file
- pg_file_sync 
---------------
- 
-(1 row)
-
-SELECT pg_file_sync('pg_stat'); -- sync directory
- pg_file_sync 
---------------
- 
-(1 row)
-
-SELECT pg_file_sync('test_file2'); -- not there
-ERROR:  could not stat file "test_file2": No such file or directory
--- rename file
-SELECT pg_file_rename('test_file1', 'test_file2');
- pg_file_rename 
-----------------
- t
-(1 row)
-
-SELECT pg_read_file('test_file1');  -- not there
-ERROR:  could not open file "test_file1" for reading: No such file or directory
-SELECT pg_read_file('test_file2');
- pg_read_file 
---------------
- test1test1
-(1 row)
-
--- error
-SELECT pg_file_rename('test_file1', 'test_file2');
-WARNING:  file "test_file1" is not accessible: No such file or directory
- pg_file_rename 
-----------------
- f
-(1 row)
-
--- rename file and archive
-SELECT pg_file_write('test_file3', 'test3', false);
- pg_file_write 
----------------
-             5
-(1 row)
-
-SELECT pg_file_rename('test_file2', 'test_file3', 'test_file3_archive');
- pg_file_rename 
-----------------
- t
-(1 row)
-
-SELECT pg_read_file('test_file2');  -- not there
-ERROR:  could not open file "test_file2" for reading: No such file or directory
-SELECT pg_read_file('test_file3');
- pg_read_file 
---------------
- test1test1
-(1 row)
-
-SELECT pg_read_file('test_file3_archive');
- pg_read_file 
---------------
- test3
-(1 row)
-
--- unlink
-SELECT pg_file_unlink('test_file1');  -- does not exist
- pg_file_unlink 
-----------------
- f
-(1 row)
-
-SELECT pg_file_unlink('test_file2');  -- does not exist
- pg_file_unlink 
-----------------
- f
-(1 row)
-
-SELECT pg_file_unlink('test_file3');
- pg_file_unlink 
-----------------
- t
-(1 row)
-
-SELECT pg_file_unlink('test_file3_archive');
- pg_file_unlink 
-----------------
- t
-(1 row)
-
-SELECT pg_file_unlink('test_file4');
- pg_file_unlink 
-----------------
- t
-(1 row)
-
--- superuser checks
-CREATE USER regress_adminpack_user1;
-SET ROLE regress_adminpack_user1;
-SELECT pg_file_write('test_file0', 'test0', false);
-ERROR:  permission denied for function pg_file_write
-SELECT pg_file_sync('test_file0');
-ERROR:  permission denied for function pg_file_sync
-SELECT pg_file_rename('test_file0', 'test_file0');
-ERROR:  permission denied for function pg_file_rename
-CONTEXT:  SQL function "pg_file_rename" statement 1
-SELECT pg_file_unlink('test_file0');
-ERROR:  permission denied for function pg_file_unlink
-SELECT pg_logdir_ls();
-ERROR:  permission denied for function pg_logdir_ls
-RESET ROLE;
-DROP USER regress_adminpack_user1;
--- no further tests for pg_logdir_ls() because it depends on the
--- server's logging setup
diff --git a/contrib/adminpack/meson.build b/contrib/adminpack/meson.build
deleted file mode 100644
index e5bcc9d99ba..00000000000
--- a/contrib/adminpack/meson.build
+++ /dev/null
@@ -1,35 +0,0 @@
-# Copyright (c) 2022-2024, PostgreSQL Global Development Group
-
-adminpack_sources = files(
-  'adminpack.c',
-)
-
-if host_system == 'windows'
-  adminpack_sources += rc_lib_gen.process(win32ver_rc, extra_args: [
-    '--NAME', 'adminpack',
-    '--FILEDESC', 'adminpack - support functions for pgAdmin',])
-endif
-
-adminpack = shared_module('adminpack',
-  adminpack_sources,
-  kwargs: contrib_mod_args,
-)
-contrib_targets += adminpack
-
-install_data(
-  'adminpack.control',
-  'adminpack--1.0.sql',
-  'adminpack--1.0--1.1.sql',
-  'adminpack--1.1--2.0.sql',
-  'adminpack--2.0--2.1.sql',
-  kwargs: contrib_data_args,
-)
-
-tests += {
-  'name': 'adminpack',
-  'sd': meson.current_source_dir(),
-  'bd': meson.current_build_dir(),
-  'regress': {
-    'sql': ['adminpack'],
-  },
-}
diff --git a/contrib/adminpack/sql/adminpack.sql b/contrib/adminpack/sql/adminpack.sql
deleted file mode 100644
index 5776c9af0d1..00000000000
--- a/contrib/adminpack/sql/adminpack.sql
+++ /dev/null
@@ -1,76 +0,0 @@
-CREATE EXTENSION adminpack;
-
--- create new file
-SELECT pg_file_write('test_file1', 'test1', false);
-SELECT pg_read_file('test_file1');
-
--- append
-SELECT pg_file_write('test_file1', 'test1', true);
-SELECT pg_read_file('test_file1');
-
--- error, already exists
-SELECT pg_file_write('test_file1', 'test1', false);
-SELECT pg_read_file('test_file1');
-
--- disallowed file paths for non-superusers and users who are
--- not members of pg_write_server_files
-CREATE ROLE regress_adminpack_user1;
-
-GRANT pg_read_all_settings TO regress_adminpack_user1;
-GRANT EXECUTE ON FUNCTION pg_file_write(text,text,bool) TO regress_adminpack_user1;
-
-SET ROLE regress_adminpack_user1;
-SELECT pg_file_write('../test_file0', 'test0', false);
-SELECT pg_file_write('/tmp/test_file0', 'test0', false);
-SELECT pg_file_write(current_setting('data_directory') || '/test_file4', 'test4', false);
-SELECT pg_file_write(current_setting('data_directory') || '/../test_file4', 'test4', false);
-RESET ROLE;
-REVOKE EXECUTE ON FUNCTION pg_file_write(text,text,bool) FROM regress_adminpack_user1;
-REVOKE pg_read_all_settings FROM regress_adminpack_user1;
-DROP ROLE regress_adminpack_user1;
-
--- sync
-SELECT pg_file_sync('test_file1'); -- sync file
-SELECT pg_file_sync('pg_stat'); -- sync directory
-SELECT pg_file_sync('test_file2'); -- not there
-
--- rename file
-SELECT pg_file_rename('test_file1', 'test_file2');
-SELECT pg_read_file('test_file1');  -- not there
-SELECT pg_read_file('test_file2');
-
--- error
-SELECT pg_file_rename('test_file1', 'test_file2');
-
--- rename file and archive
-SELECT pg_file_write('test_file3', 'test3', false);
-SELECT pg_file_rename('test_file2', 'test_file3', 'test_file3_archive');
-SELECT pg_read_file('test_file2');  -- not there
-SELECT pg_read_file('test_file3');
-SELECT pg_read_file('test_file3_archive');
-
-
--- unlink
-SELECT pg_file_unlink('test_file1');  -- does not exist
-SELECT pg_file_unlink('test_file2');  -- does not exist
-SELECT pg_file_unlink('test_file3');
-SELECT pg_file_unlink('test_file3_archive');
-SELECT pg_file_unlink('test_file4');
-
-
--- superuser checks
-CREATE USER regress_adminpack_user1;
-SET ROLE regress_adminpack_user1;
-
-SELECT pg_file_write('test_file0', 'test0', false);
-SELECT pg_file_sync('test_file0');
-SELECT pg_file_rename('test_file0', 'test_file0');
-SELECT pg_file_unlink('test_file0');
-SELECT pg_logdir_ls();
-
-RESET ROLE;
-DROP USER regress_adminpack_user1;
-
-
--- no further tests for pg_logdir_ls() because it depends on the
--- server's logging setup
diff --git a/contrib/meson.build b/contrib/meson.build
index c12dc906ca7..14a89068650 100644
--- a/contrib/meson.build
+++ b/contrib/meson.build
@@ -12,7 +12,6 @@ contrib_doc_args = {
   'install_dir': contrib_doc_dir,
 }
 
-subdir('adminpack')
 subdir('amcheck')
 subdir('auth_delay')
 subdir('auto_explain')