forked from pool/glibc
e29cecdd47
Copy from Base:System/glibc based on submit request 27940 from user dirkmueller OBS-URL: https://build.opensuse.org/request/show/27940 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/glibc?expand=0&rev=14
102 lines
3.8 KiB
Diff
102 lines
3.8 KiB
Diff
2009-04-19 Petr Baudis <pasky@suse.cz>
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* nis/Makefile (libnss_compat-routines): Add build dependency
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on nss-nis.
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* nis/nss: New variable SPLIT_GROUPS.
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* nis/libnsl.h: New flag NSS_FLAG_SPLIT_GROUPS.
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* nis/nss-default.c: Likewise.
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* nss_compat/compat-initgroups.c: Do not use initgroups_dyn
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in case NSS_FLAG_SPLIT_GROUPS is set.
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Index: nis/Makefile
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===================================================================
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--- nis/Makefile.orig
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+++ nis/Makefile
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@@ -56,7 +56,8 @@ libnsl-routines = yp_xdr ypclnt ypupdate
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nis_findserv nis_callback nis_clone_dir nis_clone_obj\
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nis_clone_res nss-default
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-libnss_compat-routines := $(addprefix compat-,grp pwd spwd initgroups)
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+libnss_compat-routines := $(addprefix compat-,grp pwd spwd initgroups) \
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+ nss-nis
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libnss_compat-inhibit-o = $(filter-out .os,$(object-suffixes))
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libnss_nis-routines := $(addprefix nis-,$(databases)) nis-initgroups \
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Index: nis/libnsl.h
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===================================================================
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--- nis/libnsl.h.orig
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+++ nis/libnsl.h
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@@ -21,6 +21,7 @@
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#define NSS_FLAG_NETID_AUTHORITATIVE 1
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#define NSS_FLAG_SERVICES_AUTHORITATIVE 2
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#define NSS_FLAG_SETENT_BATCH_READ 4
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+#define NSS_FLAG_SPLIT_GROUPS 8
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/* Get current set of default flags. */
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Index: nis/nss
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===================================================================
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--- nis/nss.orig
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+++ nis/nss
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@@ -1,7 +1,7 @@
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# /etc/default/nss
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# This file can theoretically contain a bunch of customization variables
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# for Name Service Switch in the GNU C library. For now there are only
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-# three variables:
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+# four variables:
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#
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# NETID_AUTHORITATIVE
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# If set to TRUE, the initgroups() function will accept the information
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@@ -26,3 +26,11 @@
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# might result into a network communication with the server to get
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# the next entry.
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#SETENT_BATCH_READ=TRUE
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+#
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+# SPLIT_GROUPS
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+# If set to TRUE, the nss_compat module's initgroups() function will
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+# not use the NIS initgroups interface for retrieving group information.
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+# This allows one NIS group to be split into multiple database entries
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+# with same gid, a practice used to overcome entry length limitations.
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+# The downside is a certain performance degradation.
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+#SPLIT_GROUPS=TRUE
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Index: nis/nss-default.c
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===================================================================
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--- nis/nss-default.c.orig
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+++ nis/nss-default.c
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@@ -47,7 +47,8 @@ static const struct
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#define STRNLEN(s) s, sizeof (s) - 1
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{ STRNLEN ("NETID_AUTHORITATIVE"), NSS_FLAG_NETID_AUTHORITATIVE },
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{ STRNLEN ("SERVICES_AUTHORITATIVE"), NSS_FLAG_SERVICES_AUTHORITATIVE },
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- { STRNLEN ("SETENT_BATCH_READ"), NSS_FLAG_SETENT_BATCH_READ }
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+ { STRNLEN ("SETENT_BATCH_READ"), NSS_FLAG_SETENT_BATCH_READ },
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+ { STRNLEN ("SPLIT_GROUPS"), NSS_FLAG_SPLIT_GROUPS },
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};
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#define nvars (sizeof (vars) / sizeof (vars[0]))
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Index: nis/nss_compat/compat-initgroups.c
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===================================================================
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--- nis/nss_compat/compat-initgroups.c.orig
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+++ nis/nss_compat/compat-initgroups.c
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@@ -32,6 +32,9 @@
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#include <bits/libc-lock.h>
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#include <kernel-features.h>
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+/* Get the declaration of the NSS flags. */
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+#include <libnsl.h>
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+
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static service_user *ni;
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/* Type of the lookup function. */
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static enum nss_status (*nss_initgroups_dyn) (const char *, gid_t,
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@@ -107,7 +110,10 @@ init_nss_interface (void)
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if (ni == NULL
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&& __nss_database_lookup ("group_compat", NULL, "nis", &ni) >= 0)
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{
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- nss_initgroups_dyn = __nss_lookup_function (ni, "initgroups_dyn");
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+ if (_nsl_default_nss () & NSS_FLAG_SPLIT_GROUPS)
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+ nss_initgroups_dyn = NULL;
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+ else
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+ nss_initgroups_dyn = __nss_lookup_function (ni, "initgroups_dyn");
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nss_getgrnam_r = __nss_lookup_function (ni, "getgrnam_r");
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nss_getgrgid_r = __nss_lookup_function (ni, "getgrgid_r");
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nss_setgrent = __nss_lookup_function (ni, "setgrent");
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