Enable use of nscd_nischeck and secure tables.

This commit is contained in:
Ulrich Drepper 1999-06-13 09:36:39 +00:00
parent 3de2d75e9c
commit 397d46fdbe
4 changed files with 112 additions and 13 deletions

View File

@ -31,10 +31,10 @@ nscd-modules := nscd connections pwdcache getpwnam_r getpwuid_r grpcache \
ifeq ($(have-thread-library),yes)
others := nscd
install-sbin := nscd
others := nscd nscd_nischeck
install-sbin := nscd nscd_nischeck
extra-objs := $(nscd-modules:=.o)
extra-objs := $(nscd-modules:=.o) nscd_nischeck.o
endif
@ -44,15 +44,18 @@ otherlibs += $(nssobjdir)/libnss_files.a $(resolvobjdir)/libnss_dns.a \
endif
distribute := nscd.h nscd-client.h dbg_log.h \
$(nscd-modules:=.c) TODO nscd.conf nscd.init \
$(nscd-modules:=.c) nscd_nischeck.c TODO nscd.conf nscd.init \
nscd_proto.h
include ../Rules
$(objpfx)nscd: $(nscd-modules:%=$(objpfx)%.o)
$(objpfx)nscd_nischeck: $(objpfx)nscd_nischeck.o
ifeq ($(build-shared),yes)
$(objpfx)nscd: $(shared-thread-library) $(common-objpfx)nis/libnsl.so
$(objpfx)nscd_nischeck: $(common-objpfx)nis/libnsl.so
else
$(objpfx)nscd: $(static-thread-library) $(common-objpfx)nis/libnsl.a
$(objpfx)nscd_nischeck: $(common-objpfx)nis/libnsl.a
endif

View File

@ -412,7 +412,7 @@ nscd_run (void *p)
continue;
}
if (req.type < GETPWBYNAME || req.type >= LASTREQ
if (req.type < GETPWBYNAME || req.type > LASTDBREQ
|| secure[serv2db[req.type]])
uid = caller.uid;
}

View File

@ -22,14 +22,14 @@
case "$1" in
start)
secure=""
# for table in passwd group
# do
# if egrep '^'$table':.*nisplus' /etc/nsswitch.conf >/dev/null
# then
# /usr/lib/nscd_nischeck $table ||
# secure="$secure -S $table,yes"
# fi
# done
for table in passwd group hosts
do
if egrep '^'$table':.*nisplus' /etc/nsswitch.conf >/dev/null
then
/usr/sbin/nscd_nischeck $table ||
secure="$secure -S $table,yes"
fi
done
echo -n "Starting Name Switch Cache Daemon: "
daemon nscd $secure
echo

96
nscd/nscd_nischeck.c Normal file
View File

@ -0,0 +1,96 @@
/* Copyright (c) 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1999.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* nscd_nischeck: Check, if everybody has read permissions for NIS+ table.
Return value:
0: Everybody can read the NIS+ table
1: Only authenticated Users could read the NIS+ table */
#include <argp.h>
#include <error.h>
#include <stdlib.h>
#include <libintl.h>
#include <locale.h>
#include <rpcsvc/nis.h>
/* Get libc version number. */
#include <version.h>
#define PACKAGE _libc_intl_domainname
/* Name and version of program. */
static void print_version (FILE *stream, struct argp_state *state);
void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version;
/* Data structure to communicate with argp functions. */
static struct argp argp =
{
NULL, NULL, NULL, NULL,
};
int
main (int argc, char **argv)
{
int remaining;
nis_result *res;
char *tablename, *cp;
/* Set locale via LC_ALL. */
setlocale (LC_ALL, "");
/* Set the text message domain. */
textdomain (PACKAGE);
/* Parse and process arguments. */
argp_parse (&argp, argc, argv, 0, &remaining, NULL);
if (remaining + 1 != argc)
{
error (0, 0, gettext ("wrong number of arguments"));
argp_help (&argp, stdout, ARGP_HELP_SEE, program_invocation_short_name);
exit (EXIT_FAILURE);
}
tablename = alloca (strlen (argv[1]) + 10);
cp = stpcpy (tablename, argv[1]);
strcpy (cp, ".org_dir");
res = nis_lookup (tablename, EXPAND_NAME|FOLLOW_LINKS);
if (res == NULL ||
(res->status != NIS_SUCCESS && res->status != NIS_S_SUCCESS))
return 0;
if (NIS_NOBODY(NIS_RES_OBJECT(res)->zo_access, NIS_READ_ACC))
return 0;
else
return 1;
}
/* Print the version information. */
static void
print_version (FILE *stream, struct argp_state *state)
{
fprintf (stream, "nscd_checknis (GNU %s) %s\n", PACKAGE, VERSION);
fprintf (stream, gettext ("\
Copyright (C) %s Free Software Foundation, Inc.\n\
This is free software; see the source for copying conditions. There is NO\n\
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
"), "1999");
fprintf (stream, gettext ("Written by %s.\n"), "Thorsten Kukuk");
}