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nscd: remove reference to libnsl
This removes the dependency on libnsl from nscd. It only used __nis_hash, build its own copy under the name __nscd_hash.
This commit is contained in:
Andreas Schwab
parent
d8425e116c
commit
2faa42daa8
14
ChangeLog
14
ChangeLog
@ -1,3 +1,17 @@
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2017-10-11 Andreas Schwab <schwab@suse.de>
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* nis/Makefile (aux): Remove.
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* nscd/Makefile (aux): Add nscd_hash.
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(nscd-modules): Likewise.
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($(objpfx)nscd): Don't depend on libnsl.
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* nscd/nscd_hash.c: New file.
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* nscd/nscd_hash.h: Likewise.
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* nscd/cache.c: Include "nscd_hash.h" instead of <rpcsvc/nis.h>.
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(cache_search, cache_add): Use __nscd_hash instead of __nis_hash.
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* nscd/nscd_helper.c: Include <sys/param.h> and "nscd_hash.h"
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instead of <nis/rpcsvc/nis.h>.
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(__nscd_cache_search): Use __nscd_hash instead of __nis_hash.
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2017-10-11 Florian Weimer <fweimer@redhat.com>
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[BZ #22078]
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@ -22,8 +22,6 @@ subdir := nis
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include ../Makeconfig
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aux := nis_hash
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ifeq ($(build-obsolete-nsl),yes)
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headers := $(wildcard rpcsvc/*.[hx])
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@ -25,7 +25,7 @@ include ../Makeconfig
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ifneq ($(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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aux := nscd_helper nscd_hash
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endif
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# To find xmalloc.c
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@ -36,7 +36,7 @@ nscd-modules := nscd connections pwdcache getpwnam_r getpwuid_r grpcache \
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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 gai res_hconf \
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netgroupcache
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netgroupcache nscd_hash
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ifeq ($(build-nscd)$(have-thread-library),yesyes)
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@ -97,7 +97,7 @@ 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) $(common-objpfx)nis/libnsl.so
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$(objpfx)nscd: $(shared-thread-library)
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else
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$(objpfx)nscd: $(static-thread-library) $(common-objpfx)nis/libnsl.a
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$(objpfx)nscd: $(static-thread-library)
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endif
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@ -25,7 +25,6 @@
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#include <string.h>
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#include <libintl.h>
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#include <arpa/inet.h>
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#include <rpcsvc/nis.h>
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#include <sys/mman.h>
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#include <sys/param.h>
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#include <sys/stat.h>
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@ -33,6 +32,7 @@
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#include "nscd.h"
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#include "dbg_log.h"
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#include "nscd_hash.h"
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/* Wrapper functions with error checking for standard functions. */
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@ -74,7 +74,7 @@ struct datahead *
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cache_search (request_type type, const void *key, size_t len,
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struct database_dyn *table, uid_t owner)
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{
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unsigned long int hash = __nis_hash (key, len) % table->head->module;
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unsigned long int hash = __nscd_hash (key, len) % table->head->module;
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unsigned long int nsearched = 0;
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struct datahead *result = NULL;
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@ -153,7 +153,7 @@ cache_add (int type, const void *key, size_t len, struct datahead *packet,
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first ? _(" (first)") : "");
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}
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unsigned long int hash = __nis_hash (key, len) % table->head->module;
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unsigned long int hash = __nscd_hash (key, len) % table->head->module;
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struct hashentry *newp;
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newp = mempool_alloc (table, sizeof (struct hashentry), 0);
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19
nscd/nscd_hash.c
Normal file
19
nscd/nscd_hash.c
Normal file
@ -0,0 +1,19 @@
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/* Copyright (C) 2017 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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<http://www.gnu.org/licenses/>. */
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#define __nis_hash __nscd_hash
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#include <nis/nis_hash.c>
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21
nscd/nscd_hash.h
Normal file
21
nscd/nscd_hash.h
Normal file
@ -0,0 +1,21 @@
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/* Copyright (C) 2017 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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<http://www.gnu.org/licenses/>. */
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#include <stdint.h>
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extern uint32_t __nscd_hash (const void *__keyarg, size_t __len)
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attribute_hidden;
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@ -27,6 +27,7 @@
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#include <unistd.h>
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#include <stdint.h>
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#include <sys/mman.h>
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#include <sys/param.h>
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#include <sys/poll.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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@ -34,10 +35,10 @@
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#include <sys/uio.h>
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#include <sys/un.h>
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#include <not-cancel.h>
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#include <nis/rpcsvc/nis.h>
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#include <kernel-features.h>
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#include "nscd-client.h"
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#include "nscd_hash.h"
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/* Extra time we wait if the socket is still receiving data. This
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@ -443,12 +444,6 @@ __nscd_get_map_ref (request_type type, const char *name,
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#define MINIMUM_HASHENTRY_SIZE \
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(offsetof (struct hashentry, dellist) + sizeof (int32_t))
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/* __nis_hash is defined in nis_hash.c which is included both libnsl
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and libc. Since the one in libnsl is exported and the one in libc
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is hidden, __nis_hash is marked as hidden where it is referenced,
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not where it is defined. */
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extern __typeof (__nis_hash) __nis_hash attribute_hidden;
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/* Don't return const struct datahead *, as eventhough the record
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is normally constant, it can change arbitrarily during nscd
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garbage collection. */
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@ -456,7 +451,7 @@ struct datahead *
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__nscd_cache_search (request_type type, const char *key, size_t keylen,
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const struct mapped_database *mapped, size_t datalen)
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{
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unsigned long int hash = __nis_hash (key, keylen) % mapped->head->module;
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unsigned long int hash = __nscd_hash (key, keylen) % mapped->head->module;
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size_t datasize = mapped->datasize;
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ref_t trail = mapped->head->array[hash];
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