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glibc/glibc-nss_compat.patch
Florian Weimer 35d9ec52c8 Remove libnsl dependency from nss_compat
2017-10-07 12:53:49 +02:00

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commit 64d1e08ea822bf47cb2796ad0f727136227f983c
Author: Andreas Schwab <schwab@suse.de>
Date: Mon Oct 2 14:30:46 2017 +0200
Move nss_compat from nis to nss subdir and install it unconditionally
This has been tested that local lookup still works with and
without an installed libnss_nis, and that NIS lookup works when
libnss_nis is available.
diff --git a/nis/Makefile b/nis/Makefile
index 6b6f5ee72c80ec35..023916f44642ccfa 100644
--- a/nis/Makefile
+++ b/nis/Makefile
@@ -33,7 +33,7 @@ databases = proto service hosts network grp pwd rpc ethers \
spwd netgrp alias publickey
# Specify rules for the nss_* modules.
-services := nis nisplus compat
+services := nis nisplus
endif
extra-libs = libnsl
@@ -63,9 +63,6 @@ libnsl-routines = yp_xdr ypclnt ypupdate_xdr \
nis_clone_res nss-default
ifeq ($(build-obsolete-nsl),yes)
-libnss_compat-routines := $(addprefix compat-,grp pwd spwd initgroups)
-libnss_compat-inhibit-o = $(filter-out .os,$(object-suffixes))
-
libnss_nis-routines := $(addprefix nis-,$(databases)) nis-initgroups \
nss-nis
libnss_nis-inhibit-o = $(filter-out .os,$(object-suffixes))
@@ -79,7 +76,6 @@ include ../Rules
ifeq ($(build-obsolete-nsl),yes)
-$(objpfx)libnss_compat.so: $(objpfx)libnsl.so$(libnsl.so-version)
$(objpfx)libnss_nis.so: $(objpfx)libnsl.so$(libnsl.so-version) \
$(common-objpfx)nss/libnss_files.so
$(objpfx)libnss_nisplus.so: $(objpfx)libnsl.so$(libnsl.so-version)
diff --git a/nis/Versions b/nis/Versions
index ef9a5124174ec0e8..90d3d9dfaa3d853b 100644
--- a/nis/Versions
+++ b/nis/Versions
@@ -63,17 +63,6 @@ libnsl {
}
}
-libnss_compat {
- GLIBC_PRIVATE {
- _nss_compat_endgrent; _nss_compat_endpwent; _nss_compat_endspent;
- _nss_compat_getgrent_r; _nss_compat_getgrgid_r; _nss_compat_getgrnam_r;
- _nss_compat_getpwent_r; _nss_compat_getpwnam_r; _nss_compat_getpwuid_r;
- _nss_compat_getspent_r; _nss_compat_getspnam_r;
- _nss_compat_setgrent; _nss_compat_setpwent; _nss_compat_setspent;
- _nss_compat_initgroups_dyn;
- }
-}
-
libnss_nis {
GLIBC_PRIVATE {
_nss_nis_endaliasent; _nss_nis_endetherent; _nss_nis_endgrent;
diff --git a/nss/Makefile b/nss/Makefile
index 91b1c21567edaba8..bf9663224ab43333 100644
--- a/nss/Makefile
+++ b/nss/Makefile
@@ -70,7 +70,7 @@ tests += tst-cancel-getpwuid_r
endif
# Specify rules for the nss_* modules. We have some services.
-services := files db
+services := files db compat
extra-libs = $(services:%=libnss_%)
# These libraries will be built in the `others' pass rather than
@@ -93,11 +93,15 @@ 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)))
+libnss_compat-routines := $(addprefix compat-,grp pwd spwd initgroups) \
+ nisdomain
+
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)
diff --git a/nss/Versions b/nss/Versions
index f8ababccc74d1dd2..14c2571468169e4d 100644
--- a/nss/Versions
+++ b/nss/Versions
@@ -160,3 +160,14 @@ libnss_db {
_nss_db_init;
}
}
+
+libnss_compat {
+ GLIBC_PRIVATE {
+ _nss_compat_endgrent; _nss_compat_endpwent; _nss_compat_endspent;
+ _nss_compat_getgrent_r; _nss_compat_getgrgid_r; _nss_compat_getgrnam_r;
+ _nss_compat_getpwent_r; _nss_compat_getpwnam_r; _nss_compat_getpwuid_r;
+ _nss_compat_getspent_r; _nss_compat_getspnam_r;
+ _nss_compat_setgrent; _nss_compat_setpwent; _nss_compat_setspent;
+ _nss_compat_initgroups_dyn;
+ }
+}
diff --git a/nis/nss_compat/compat-grp.c b/nss/nss_compat/compat-grp.c
similarity index 97%
rename from nis/nss_compat/compat-grp.c
rename to nss/nss_compat/compat-grp.c
index 0381458c0c0b9143..4d51fc95ed9321cd 100644
--- a/nis/nss_compat/compat-grp.c
+++ b/nss/nss_compat/compat-grp.c
@@ -24,7 +24,6 @@
#include <nsswitch.h>
#include <stdio_ext.h>
#include <string.h>
-#include <rpc/types.h>
#include <libc-lock.h>
#include <kernel-features.h>
@@ -58,21 +57,21 @@ struct blacklist_t
struct ent_t
{
- bool_t files;
+ bool files;
enum nss_status setent_status;
FILE *stream;
struct blacklist_t blacklist;
};
typedef struct ent_t ent_t;
-static ent_t ext_ent = { TRUE, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 }};
+static ent_t ext_ent = { true, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 }};
/* Protect global state against multiple changers. */
__libc_lock_define_initialized (static, lock)
/* Prototypes for local functions. */
static void blacklist_store_name (const char *, ent_t *);
-static int in_blacklist (const char *, int, ent_t *);
+static bool in_blacklist (const char *, int, ent_t *);
/* Initialize the NSS interface/functions. The calling function must
hold the lock. */
@@ -94,7 +93,7 @@ internal_setgrent (ent_t *ent, int stayopen, int needent)
{
enum nss_status status = NSS_STATUS_SUCCESS;
- ent->files = TRUE;
+ ent->files = true;
if (ent->blacklist.data != NULL)
{
@@ -321,7 +320,7 @@ getgrent_next_file (struct group *result, ent_t *ent,
/* +:... */
if (result->gr_name[0] == '+' && result->gr_name[1] == '\0')
{
- ent->files = FALSE;
+ ent->files = false;
return getgrent_next_nss (result, ent, buffer, buflen, errnop);
}
@@ -466,7 +465,7 @@ enum nss_status
_nss_compat_getgrnam_r (const char *name, struct group *grp,
char *buffer, size_t buflen, int *errnop)
{
- ent_t ent = { TRUE, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 }};
+ ent_t ent = { true, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 }};
enum nss_status result;
if (name[0] == '-' || name[0] == '+')
@@ -598,7 +597,7 @@ enum nss_status
_nss_compat_getgrgid_r (gid_t gid, struct group *grp,
char *buffer, size_t buflen, int *errnop)
{
- ent_t ent = { TRUE, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 }};
+ ent_t ent = { true, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 }};
enum nss_status result;
__libc_lock_lock (lock);
@@ -665,15 +664,15 @@ blacklist_store_name (const char *name, ent_t *ent)
return;
}
-/* returns TRUE if ent->blacklist contains name, else FALSE */
-static bool_t
+/* Return whether ent->blacklist contains name. */
+static bool
in_blacklist (const char *name, int namelen, ent_t *ent)
{
char buf[namelen + 3];
char *cp;
if (ent->blacklist.data == NULL)
- return FALSE;
+ return false;
buf[0] = '|';
cp = stpcpy (&buf[1], name);
diff --git a/nis/nss_compat/compat-initgroups.c b/nss/nss_compat/compat-initgroups.c
similarity index 98%
rename from nis/nss_compat/compat-initgroups.c
rename to nss/nss_compat/compat-initgroups.c
index 93b765ca952ffb0e..bae8765afbd109e9 100644
--- a/nis/nss_compat/compat-initgroups.c
+++ b/nss/nss_compat/compat-initgroups.c
@@ -24,7 +24,6 @@
#include <stdio_ext.h>
#include <string.h>
#include <unistd.h>
-#include <rpc/types.h>
#include <sys/param.h>
#include <nsswitch.h>
#include <libc-lock.h>
@@ -79,7 +78,7 @@ typedef struct ent_t ent_t;
/* Prototypes for local functions. */
static void blacklist_store_name (const char *, ent_t *);
-static int in_blacklist (const char *, int, ent_t *);
+static bool in_blacklist (const char *, int, ent_t *);
/* Initialize the NSS interface/functions. The calling function must
hold the lock. */
@@ -554,15 +553,15 @@ blacklist_store_name (const char *name, ent_t *ent)
return;
}
-/* returns TRUE if ent->blacklist contains name, else FALSE */
-static bool_t
+/* Return whether ent->blacklist contains name. */
+static bool
in_blacklist (const char *name, int namelen, ent_t *ent)
{
char buf[namelen + 3];
char *cp;
if (ent->blacklist.data == NULL)
- return FALSE;
+ return false;
buf[0] = '|';
cp = stpcpy (&buf[1], name);
diff --git a/nis/nss_compat/compat-pwd.c b/nss/nss_compat/compat-pwd.c
similarity index 99%
rename from nis/nss_compat/compat-pwd.c
rename to nss/nss_compat/compat-pwd.c
index 0583a10b84a2f53e..b16eef5d44b09e45 100644
--- a/nis/nss_compat/compat-pwd.c
+++ b/nss/nss_compat/compat-pwd.c
@@ -25,12 +25,11 @@
#include <pwd.h>
#include <stdio_ext.h>
#include <string.h>
-#include <rpc/types.h>
-#include <rpcsvc/ypclnt.h>
#include <libc-lock.h>
#include <kernel-features.h>
#include "netgroup.h"
+#include "nisdomain.h"
static service_user *ni;
static enum nss_status (*nss_setpwent) (int stayopen);
@@ -82,7 +81,7 @@ __libc_lock_define_initialized (static, lock)
/* Prototypes for local functions. */
static void blacklist_store_name (const char *, ent_t *);
-static int in_blacklist (const char *, int, ent_t *);
+static bool in_blacklist (const char *, int, ent_t *);
/* Initialize the NSS interface/functions. The calling function must
hold the lock. */
@@ -346,7 +345,7 @@ getpwent_next_nss_netgr (const char *name, struct passwd *result, ent_t *ent,
if (domain != NULL)
{
if (curdomain == NULL
- && yp_get_default_domain (&curdomain) != YPERR_SUCCESS)
+ && __nss_get_default_domain (&curdomain) != 0)
{
__internal_endnetgrent (&ent->netgrdata);
ent->netgroup = false;
@@ -1114,15 +1113,15 @@ blacklist_store_name (const char *name, ent_t *ent)
return;
}
-/* Returns TRUE if ent->blacklist contains name, else FALSE. */
-static bool_t
+/* Returns whether ent->blacklist contains name. */
+static bool
in_blacklist (const char *name, int namelen, ent_t *ent)
{
char buf[namelen + 3];
char *cp;
if (ent->blacklist.data == NULL)
- return FALSE;
+ return false;
buf[0] = '|';
cp = stpcpy (&buf[1], name);
diff --git a/nis/nss_compat/compat-spwd.c b/nss/nss_compat/compat-spwd.c
similarity index 98%
rename from nis/nss_compat/compat-spwd.c
rename to nss/nss_compat/compat-spwd.c
index eec3af3d15af148b..8a875472fa6d3a0e 100644
--- a/nis/nss_compat/compat-spwd.c
+++ b/nss/nss_compat/compat-spwd.c
@@ -25,12 +25,11 @@
#include <shadow.h>
#include <stdio_ext.h>
#include <string.h>
-#include <rpc/types.h>
-#include <rpcsvc/ypclnt.h>
#include <libc-lock.h>
#include <kernel-features.h>
#include "netgroup.h"
+#include "nisdomain.h"
static service_user *ni;
static enum nss_status (*nss_setspent) (int stayopen);
@@ -79,7 +78,7 @@ __libc_lock_define_initialized (static, lock)
/* Prototypes for local functions. */
static void blacklist_store_name (const char *, ent_t *);
-static int in_blacklist (const char *, int, ent_t *);
+static bool in_blacklist (const char *, int, ent_t *);
/* Initialize the NSS interface/functions. The calling function must
hold the lock. */
@@ -306,7 +305,7 @@ getspent_next_nss_netgr (const char *name, struct spwd *result, ent_t *ent,
if (domain != NULL)
{
if (curdomain == NULL
- && yp_get_default_domain (&curdomain) != YPERR_SUCCESS)
+ && __nss_get_default_domain (&curdomain) != 0)
{
__internal_endnetgrent (&ent->netgrdata);
ent->netgroup = false;
@@ -840,8 +839,8 @@ blacklist_store_name (const char *name, ent_t *ent)
}
-/* Returns TRUE if ent->blacklist contains name, else FALSE. */
-static bool_t
+/* Returns whether ent->blacklist contains name. */
+static bool
in_blacklist (const char *name, int namelen, ent_t *ent)
{
char buf[namelen + 3];
diff --git a/nss/nss_compat/nisdomain.c b/nss/nss_compat/nisdomain.c
new file mode 100644
index 0000000000000000..220ae27234705855
--- /dev/null
+++ b/nss/nss_compat/nisdomain.c
@@ -0,0 +1,58 @@
+/* Copyright (C) 2017 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/>. */
+
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <libc-lock.h>
+#include "nisdomain.h"
+
+#define MAXDOMAINNAMELEN 1024
+
+static char domainname[MAXDOMAINNAMELEN];
+
+__libc_lock_define_initialized (static, domainname_lock)
+
+int
+__nss_get_default_domain (char **outdomain)
+{
+ int result = 0;
+ *outdomain = NULL;
+
+ __libc_lock_lock (domainname_lock);
+
+ if (domainname[0] != '\0')
+ {
+ if (getdomainname (domainname, MAXDOMAINNAMELEN) < 0)
+ result = errno;
+ else if (strcmp (domainname, "(none)") == 0)
+ {
+ /* If domainname is not set, some systems will return "(none)" */
+ domainname[0] = '\0';
+ result = ENOENT;
+ }
+ else
+ *outdomain = domainname;
+ }
+ else
+ *outdomain = domainname;
+
+ __libc_lock_unlock (domainname_lock);
+
+ return result;
+}
diff --git a/nss/nss_compat/nisdomain.h b/nss/nss_compat/nisdomain.h
new file mode 100644
index 0000000000000000..314f3f7c069835af
--- /dev/null
+++ b/nss/nss_compat/nisdomain.h
@@ -0,0 +1,20 @@
+/* Copyright (C) 2017 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/>. */
+
+/* Set OUTDOMAIN to a pointer to the current NIS domain name, or NULL if
+ not set. Return zero on success, an error number on failure. */
+extern int __nss_get_default_domain (char **outdomain);
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