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6b99458d19
The nscd daemon caches hosts data from NSS modules verbatim, without
filtering protocol families or sorting them (otherwise separate caches
would be needed for certain ai_flags combinations). The cache
implementation is complete separate from the getaddrinfo code. This
means that rebuilding getaddrinfo is not needed. The only function
actually used is __bump_nl_timestamp from check_pf.c, and this change
moves it into nscd/connections.c.
Tested on x86_64-linux-gnu with -fexceptions, built with
build-many-glibcs.py. I also backported this patch into a distribution
that still supports nscd and verified manually that caching still works.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
(cherry picked from commit 039ff51ac7)
102 lines
2.8 KiB
Makefile
102 lines
2.8 KiB
Makefile
# Copyright (C) 1998-2023 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <https://www.gnu.org/licenses/>.
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#
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# Sub-makefile for nscd portion of the library.
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#
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subdir := nscd
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include ../Makeconfig
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ifneq ($(use-nscd),no)
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routines := nscd_getpw_r nscd_getgr_r nscd_gethst_r nscd_getai \
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nscd_initgroups nscd_getserv_r nscd_netgroup
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aux := nscd_helper
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endif
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# To find xmalloc.c
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vpath %.c ../locale/programs
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nscd-modules := nscd connections pwdcache getpwnam_r getpwuid_r grpcache \
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getgrnam_r getgrgid_r hstcache gethstbyad_r gethstbynm3_r \
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getsrvbynm_r getsrvbypt_r servicescache \
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dbg_log nscd_conf nscd_stat cache mem nscd_setup_thread \
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xmalloc xstrdup aicache initgrcache res_hconf \
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netgroupcache cachedumper
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ifeq ($(build-nscd)$(have-thread-library),yesyes)
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others += nscd
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others-pie += nscd
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install-sbin := nscd
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extra-objs = $(nscd-modules:=.o)
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endif
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all-nscd-modules := $(nscd-modules) selinux
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ifeq (yes,$(have-selinux))
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ifeq (yes,$(have-libaudit))
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libaudit = -laudit
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ifeq (yes,$(have-libcap))
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libcap = -lcap
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endif
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endif
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nscd-modules += selinux
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selinux-LIBS := -lselinux $(libaudit) $(libcap)
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# The configure.ac check for libselinux and its headers did not use
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# $SYSINCLUDES. The directory specified by --with-headers usually
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# contains only the basic kernel interface headers, not something like
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# libselinux. So the simplest thing is to presume that the standard
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# system headers will be ok for this file.
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$(objpfx)nscd_stat.o: sysincludes = # nothing
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$(objpfx)selinux.o: sysincludes = # nothing
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endif
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LDLIBS-nscd = $(selinux-LIBS)
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include ../Rules
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CFLAGS-nscd_getpw_r.c += -fexceptions
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CFLAGS-nscd_getgr_r.c += -fexceptions
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CFLAGS-nscd_gethst_r.c += -fexceptions
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CFLAGS-nscd_getai.c += -fexceptions
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CFLAGS-nscd_initgroups.c += -fexceptions
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ifeq (yesyes,$(have-fpie)$(build-shared))
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CFLAGS-nscd += $(pie-ccflag)
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endif
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ifeq (yesyes,$(have-fpie)$(build-shared))
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LDFLAGS-nscd = -Wl,-z,now
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endif
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# Set libof-nscd.
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cpp-srcs-left := $(nscd-modules)
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lib := nscd
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include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left))
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$(objpfx)nscd: $(nscd-modules:%=$(objpfx)%.o)
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ifeq ($(build-shared),yes)
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$(objpfx)nscd: $(shared-thread-library)
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else
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$(objpfx)nscd: $(static-thread-library)
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endif
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