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Add a stub version of getpublickey(), in order to eliminate an

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undefined symbol referenced from libc.  Without the stub, it is
impossible to execute any program using the shared library if
LD_BIND_NOW=1 is in the environment.  The stub always returns
failure, but it can be overridden outside the library when necessary.

I don't know whether this is the "correct" fix, but it is intolerable
to have any undefined symbols referenced from libc.
This commit is contained in:
John Polstra 1997-08-28 21:50:33 +00:00
parent fac6290362
commit 9295bb8d0d
2 changed files with 47 additions and 1 deletions
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3
lib/libc/rpc/Makefile.inc
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@ -13,7 +13,8 @@ SRCS+= clnt_unix.c svc_unix.c
SRCS+= auth_des.c authdes_prot.c auth_time.c des_soft.c des_crypt.c \
key_call.c key_prot_xdr.c netname.c netnamer.c rpcdname.c rtime.c \
svc_auth_des.c crypt_clnt.c crypt_xdr.c crypt_client.c
svc_auth_des.c crypt_clnt.c crypt_xdr.c crypt_client.c \
getpublickey.c
CFLAGS+= -DBROKEN_DES

45
lib/libc/rpc/getpublickey.c Normal file
View File

@ -0,0 +1,45 @@
/*-
* Copyright (c) 1997 John D. Polstra
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id$
*/
/*
* Stub version of getpublickey(), which is referenced in auth_des.c
* and svc_auth_des.c. This stub always fails. It is necessary to
* avoid any references to undefined symbols from libc.
*/
#include <rpc/types.h>
#include <rpc/xdr.h>
#include <rpc/auth.h>
int
getpublickey(servername, pkey_data)
char *servername;
char *pkey_data;
{
return 0;
}