# Copyright (C) 1996-2018 Free Software Foundation, Inc.

# This file is part of the GNU C Library.

# The GNU C Library is free software; you can redistribute it and/or

# modify it under the terms of the GNU Lesser General Public

# License as published by the Free Software Foundation; either

# version 2.1 of the License, or (at your option) any later version.

# The GNU C Library is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

# Lesser General Public License for more details.

# You should have received a copy of the GNU Lesser General Public

# License along with the GNU C Library; if not, see

# <http://www.gnu.org/licenses/>.

#

#	Makefile for name service switch.

#

subdir	:= nss

include ../Makeconfig

headers			:= nss.h

# This is the trivial part which goes into libc itself.

routines		= nsswitch getnssent getnssent_r digits_dots \

			  valid_field valid_list_field rewrite_field \

			  $(addsuffix -lookup,$(databases)) \

			  compat-lookup nss_hash nss_files_fopen \

			  nss_readline nss_parse_line_result \

			  nss_fgetent_r

# These are the databases that go through nss dispatch.

# Caution: if you add a database here, you must add its real name

# in databases.def, too.

databases		= proto service hosts network grp pwd ethers \

			  spwd netgrp alias sgrp

ifneq (,$(filter sunrpc,$(subdirs)))

databases		+= key rpc

have-sunrpc		:= 1

else

have-sunrpc		:= 0

endif

CPPFLAGS-getent.c	= -DHAVE_SUNRPC=$(have-sunrpc)

others                  := getent makedb

install-bin             := getent makedb

makedb-modules = xmalloc hash-string

others-extras		= $(makedb-modules)

extra-objs		+= $(makedb-modules:=.o)

tests-static            = tst-field

tests-internal		= tst-field

tests			= test-netdb test-digits-dots tst-nss-getpwent bug17079 \

			  tst-nss-test1 \

			  tst-nss-test2 \

			  tst-nss-test3 \

			  tst-nss-test4 \

			  tst-nss-test5

xtests			= bug-erange

tests-container = \

			  tst-nss-db-endpwent \

			  tst-nss-db-endgrent

# Tests which need libdl

ifeq (yes,$(build-shared))

tests += tst-nss-files-hosts-erange

tests += tst-nss-files-hosts-multi

tests += tst-nss-files-hosts-getent

tests += tst-nss-files-alias-leak

endif

# If we have a thread library then we can test cancellation against

# some routines like getpwuid_r.

ifeq (yes,$(have-thread-library))

tests += tst-cancel-getpwuid_r

endif

# Specify rules for the nss_* modules.  We have some services.

services		:= files db compat

extra-libs		= $(services:%=libnss_%)

# These libraries will be built in the `others' pass rather than

# the `lib' pass, because they depend on libc.so being built already.

extra-libs-others	= $(extra-libs)

# The sources are found in the appropriate subdir.

subdir-dirs = $(services:%=nss_%)

vpath %.c $(subdir-dirs) ../locale/programs ../intl

# In RHEL we add nss_readline, nss_parse_line_result, and

# nss_files_fopen to the libnss_files-routines in order to avoid the

# case where a long running process (having never used NSS) attemps to

# load an NSS module for the first time and that NSS module needs a

# newer GLIBC_PRIVATE interface.  In effect we must make the NSS modules

# self-sufficient and not rely on a GLIBC_PRIVATE interface.

# See: https://bugzilla.redhat.com/show_bug.cgi?id=1927040

# Note: We must recompile the objects to get the correct global symbol

#       references, which is why we have the *_int.c wrappers.

libnss_files-routines	:= $(addprefix files-,$(databases)) \

			   files-initgroups files-init \

			   nss_readline_int nss_parse_line_result_int \

			   nss_files_fopen_int

libnss_db-dbs		:= $(addprefix db-,\

				       $(filter-out hosts network key alias,\

						    $(databases))) \

			   db-initgroups

libnss_db-routines	:= $(libnss_db-dbs) db-open db-init hash-string

generated		+= $(filter-out db-alias.c db-netgrp.c, \

					$(addsuffix .c,$(libnss_db-dbs)))

# See note above regarding nss_files_fopen.

libnss_compat-routines	:= $(addprefix compat-,grp pwd spwd initgroups) \

			   nisdomain \

			   nss_files_fopen_int

install-others		+= $(inst_vardbdir)/Makefile

# Build static module into libc if requested

libnss_files-inhibit-o	= $(filter-out .os,$(object-suffixes))

libnss_db-inhibit-o	= $(filter-out .os,$(object-suffixes))

libnss_compat-inhibit-o	= $(filter-out .os,$(object-suffixes))

ifeq ($(build-static-nss),yes)

routines                += $(libnss_files-routines)

static-only-routines    += $(libnss_files-routines)

tests-static		+= tst-nss-static

endif

extra-test-objs		+= nss_test1.os nss_test2.os

include ../Rules

ifeq (yes,$(have-selinux))

LDLIBS-makedb		:= -lselinux

endif

libnss-libc = $(common-objpfx)linkobj/libc.so

# Target-specific variable setting to link objects using deprecated

# RPC interfaces with the version of libc.so that makes them available

# for new links:

$(services:%=$(objpfx)libnss_%.so): libc-for-link = $(libnss-libc)

$(objpfx)libnss_db.so: $(objpfx)libnss_files.so

$(libnss_db-dbs:%=$(objpfx)%.c): $(objpfx)db-%.c: nss_files/files-%.c

	@rm -f $@.new

	(echo '#define EXTERN_PARSER';\

	 echo '#define GENERIC "../nss_db/db-XXX.c"';\

	 echo '#include "$<"') > $@.new

	mv -f $@.new $@

$(objpfx)makedb: $(makedb-modules:%=$(objpfx)%.o)

$(inst_vardbdir)/Makefile: db-Makefile $(+force)

	$(do-install)

libnss_test1.so-no-z-defs = 1

libnss_test2.so-no-z-defs = 1

rtld-tests-LDFLAGS += -Wl,--dynamic-list=nss_test.ver

libof-nss_test1 = extramodules

libof-nss_test2 = extramodules

$(objpfx)/libnss_test1.so: $(objpfx)nss_test1.os $(link-libc-deps)

	$(build-module)

$(objpfx)/libnss_test2.so: $(objpfx)nss_test2.os $(link-libc-deps)

	$(build-module)

$(objpfx)nss_test2.os : nss_test1.c

ifdef libnss_test1.so-version

$(objpfx)/libnss_test1.so$(libnss_test1.so-version): $(objpfx)/libnss_test1.so

	$(make-link)

endif

ifdef libnss_test2.so-version

$(objpfx)/libnss_test2.so$(libnss_test2.so-version): $(objpfx)/libnss_test2.so

	$(make-link)

endif

$(patsubst %,$(objpfx)%.out,$(tests)) : \

	$(objpfx)/libnss_test1.so$(libnss_test1.so-version) \

	$(objpfx)/libnss_test2.so$(libnss_test2.so-version)

ifeq (yes,$(have-thread-library))

$(objpfx)tst-cancel-getpwuid_r: $(shared-thread-library)

endif

$(objpfx)tst-nss-files-hosts-erange: $(libdl)

$(objpfx)tst-nss-files-hosts-multi: $(libdl)

$(objpfx)tst-nss-files-hosts-getent: $(libdl)

$(objpfx)tst-nss-files-alias-leak: $(libdl)

$(objpfx)tst-nss-files-alias-leak.out: $(objpfx)/libnss_files.so