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File remove-nss-nis-compat.patch of Package glibc

2017-08-29  Steve Ellcey  <sellcey@cavium.com>

	* grp/initgroups.c: Include config.h.
	(DEFAULT_CONFIG): New macro.
	(internal_getgrouplist): Use DEFAULT_CONFIG.
	* nscd/initgrcache.c (addinitgroupsX): Likewise.
	* nss/nsswitch.c (__nss_disable_nscd): Likewise.
	(DEFAULT_DEFCONFIG): New macro.
	(__nss_database_lookup): Use DEFAULT_DEFCONFIG.
	* nss/grp-lookup.c: Include config.h
	(DEFAULT_CONFIG): Set definition based on LINK_OBSOLETE_NSL.
	* nss/pwd-lookup.c (DEFAULT_CONFIG): Likewise.
	* nss/spwd-lookup.c (DEFAULT_CONFIG): Likewise.
	* manual/nss.texi: Update default values section.


Index: glibc-2.26/grp/initgroups.c
===================================================================
--- glibc-2.26.orig/grp/initgroups.c
+++ glibc-2.26/grp/initgroups.c
@@ -26,10 +26,16 @@
 #include <sys/types.h>
 #include <nsswitch.h>
 #include <scratch_buffer.h>
+#include <config.h>
 
 #include "../nscd/nscd-client.h"
 #include "../nscd/nscd_proto.h"
 
+#ifdef LINK_OBSOLETE_NSL
+# define DEFAULT_CONFIG "compat [NOTFOUND=return] files"
+#else
+# define DEFAULT_CONFIG "files"
+#endif
 
 /* Type of the lookup function.  */
 typedef enum nss_status (*initgroups_dyn_function) (const char *, gid_t,
@@ -84,7 +90,7 @@ internal_getgrouplist (const char *user,
 				 &__nss_initgroups_database) < 0)
 	{
 	  if (__nss_group_database == NULL)
-	    no_more = __nss_database_lookup ("group", NULL, "compat files",
+	    no_more = __nss_database_lookup ("group", NULL, DEFAULT_CONFIG,
 					     &__nss_group_database);
 
 	  __nss_initgroups_database = __nss_group_database;
Index: glibc-2.26/manual/nss.texi
===================================================================
--- glibc-2.26.orig/manual/nss.texi
+++ glibc-2.26/manual/nss.texi
@@ -318,13 +318,17 @@ The @code{passwd}, @code{group}, and @co
 traditionally handled in a special way.  The appropriate files in the
 @file{/etc} directory are read but if an entry with a name starting
 with a @code{+} character is found NIS is used.  This kind of lookup
-remains possible by using the special lookup service @code{compat}
-and the default value for the three databases above is
-@code{compat [NOTFOUND=return] files}.
+remains possible if @theglibc{} was configured with the
+@code{--enable-obsolete-nsl} option and the special lookup service
+@code{compat} is used.  If @theglibc{} was configured with the
+@code{--enable-obsolete-nsl} option the default value for the three
+databases above is @code{compat [NOTFOUND=return] files}.  If the
+@code{--enable-obsolete-nsl} option was not used the default value
+for the services is @code{files}.
 
-For all other databases the default value is
-@code{nis [NOTFOUND=return] files}.  This solution gives the best
-chance to be correct since NIS and file based lookups are used.
+For all other databases the default value is @code{files} unless
+@theglibc{} was configured with @code{--enable-obsolete-rpc} option, in
+which case it the default value is @code{nis [NOTFOUND=return] files}.
 
 @cindex optimizing NSS
 A second point is that the user should try to optimize the lookup
Index: glibc-2.26/nscd/initgrcache.c
===================================================================
--- glibc-2.26.orig/nscd/initgrcache.c
+++ glibc-2.26/nscd/initgrcache.c
@@ -25,6 +25,7 @@
 #include <unistd.h>
 #include <sys/mman.h>
 #include <scratch_buffer.h>
+#include <config.h>
 
 #include "dbg_log.h"
 #include "nscd.h"
@@ -34,6 +35,11 @@
 
 #include "../nss/nsswitch.h"
 
+#ifdef LINK_OBSOLETE_NSL
+# define DEFAULT_CONFIG "compat [NOTFOUND=return] files"
+#else
+# define DEFAULT_CONFIG "files"
+#endif
 
 /* Type of the lookup function.  */
 typedef enum nss_status (*initgroups_dyn_function) (const char *, gid_t,
@@ -85,8 +91,7 @@ addinitgroupsX (struct database_dyn *db,
   int no_more;
 
   if (group_database == NULL)
-    no_more = __nss_database_lookup ("group", NULL,
-				     "compat [NOTFOUND=return] files",
+    no_more = __nss_database_lookup ("group", NULL, DEFAULT_CONFIG,
 				     &group_database);
   else
     no_more = 0;
Index: glibc-2.26/nss/grp-lookup.c
===================================================================
--- glibc-2.26.orig/nss/grp-lookup.c
+++ glibc-2.26/nss/grp-lookup.c
@@ -16,7 +16,13 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
+#include <config.h>
+
 #define DATABASE_NAME group
-#define DEFAULT_CONFIG "compat [NOTFOUND=return] files"
+#ifdef LINK_OBSOLETE_NSL
+# define DEFAULT_CONFIG "compat [NOTFOUND=return] files"
+#else
+# define DEFAULT_CONFIG "files"
+#endif
 
 #include "XXX-lookup.c"
Index: glibc-2.26/nss/nsswitch.c
===================================================================
--- glibc-2.26.orig/nss/nsswitch.c
+++ glibc-2.26/nss/nsswitch.c
@@ -40,6 +40,15 @@
 #include "nsswitch.h"
 #include "../nscd/nscd_proto.h"
 #include <sysdep.h>
+#include <config.h>
+
+#ifdef LINK_OBSOLETE_NSL
+# define DEFAULT_CONFIG "compat [NOTFOUND=return] files"
+# define DEFAULT_DEFCONFIG "nis [NOTFOUND=return] files"
+#else
+# define DEFAULT_CONFIG "files"
+# define DEFAULT_DEFCONFIG "files"
+#endif
 
 /* Prototypes for the local functions.  */
 static name_database *nss_parse_file (const char *fname) internal_function;
@@ -151,8 +160,7 @@ __nss_database_lookup (const char *datab
      or null to use the most common default.  */
   if (*ni == NULL)
     {
-      *ni = nss_parse_service_list (defconfig
-				    ?: "nis [NOTFOUND=return] files");
+      *ni = nss_parse_service_list (defconfig ?: DEFAULT_DEFCONFIG);
       if (*ni != NULL)
 	{
 	  /* Record the memory we've just allocated in defconfig_entries list,
@@ -848,8 +856,8 @@ __nss_disable_nscd (void (*cb) (size_t,
   is_nscd = true;
 
   /* Find all the relevant modules so that the init functions are called.  */
-  nss_load_all_libraries ("passwd", "compat [NOTFOUND=return] files");
-  nss_load_all_libraries ("group", "compat [NOTFOUND=return] files");
+  nss_load_all_libraries ("passwd", DEFAULT_CONFIG);
+  nss_load_all_libraries ("group", DEFAULT_CONFIG);
   nss_load_all_libraries ("hosts", "dns [!UNAVAIL=return] files");
   nss_load_all_libraries ("services", NULL);
 
Index: glibc-2.26/nss/pwd-lookup.c
===================================================================
--- glibc-2.26.orig/nss/pwd-lookup.c
+++ glibc-2.26/nss/pwd-lookup.c
@@ -16,7 +16,13 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
+#include <config.h>
+
 #define DATABASE_NAME passwd
-#define DEFAULT_CONFIG "compat [NOTFOUND=return] files"
+#ifdef LINK_OBSOLETE_NSL
+# define DEFAULT_CONFIG "compat [NOTFOUND=return] files"
+#else
+# define DEFAULT_CONFIG "files"
+#endif
 
 #include "XXX-lookup.c"
Index: glibc-2.26/nss/spwd-lookup.c
===================================================================
--- glibc-2.26.orig/nss/spwd-lookup.c
+++ glibc-2.26/nss/spwd-lookup.c
@@ -16,8 +16,14 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
+#include <config.h>
+
 #define DATABASE_NAME shadow
 #define ALTERNATE_NAME passwd
-#define DEFAULT_CONFIG "compat [NOTFOUND=return] files"
+#ifdef LINK_OBSOLETE_NSL
+# define DEFAULT_CONFIG "compat [NOTFOUND=return] files"
+#else
+# define DEFAULT_CONFIG "files"
+#endif
 
 #include "XXX-lookup.c"