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c224a18a90
* configure.in (--with-weak-symbols): Option removed. (NO_UNDERSCORES, HAVE_ASM_WEAK_DIRECTIVE, HAVE_ASM_WEAKEXT_DIRECTIVE): New tests. * config.h.in (HAVE_WEAK_SYMBOLS): #undef removed. (NO_UNDERSCORES, HAVE_ASM_WEAK_DIRECTIVE, HAVE_ASM_WEAKEXT_DIRECTIVE): New #undefs. * libc-symbols.h: Use them instead of HAVE_WEAK_SYMBOLS. * inet/inet_lnaof.c: Use u_int32_t instead of u_long. * inet/inet_mkadr.c: Likewise. * inet/inet_net.c: Likewise. * inet/inet_netof.c: Likewise. * inet/rcmd.c: Likewise. * inet/arpa/inet.h: Likewise. * inet/netinet/in.h: Likewise. * inet/netinet/tcp.h: Likewise. * inet/protocols/rwhod.h: Likewise. * inet/protocols/talkd.h: Likewise. * resolv/inet_addr.c: Likewise. * sunrpc/rpc/xdr.h (IXDR_GET_LONG, IXDR_PUT_LONG): change casts to u_int32_t (instead of u_long).
135 lines
4.0 KiB
C
135 lines
4.0 KiB
C
/* @(#)svc_auth_unix.c 2.3 88/08/01 4.0 RPCSRC; from 1.28 88/02/08 SMI */
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/*
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* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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* unrestricted use provided that this legend is included on all tape
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* media and as a part of the software program in whole or part. Users
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* may copy or modify Sun RPC without charge, but are not authorized
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* to license or distribute it to anyone else except as part of a product or
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* program developed by the user.
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*
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* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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*
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* Sun RPC is provided with no support and without any obligation on the
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* part of Sun Microsystems, Inc. to assist in its use, correction,
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* modification or enhancement.
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*
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* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
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* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
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* OR ANY PART THEREOF.
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*
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* In no event will Sun Microsystems, Inc. be liable for any lost revenue
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* or profits or other special, indirect and consequential damages, even if
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* Sun has been advised of the possibility of such damages.
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*
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* Sun Microsystems, Inc.
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* 2550 Garcia Avenue
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* Mountain View, California 94043
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*/
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#if !defined(lint) && defined(SCCSIDS)
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static char sccsid[] = "@(#)svc_auth_unix.c 1.28 88/02/08 Copyr 1984 Sun Micro";
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#endif
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/*
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* svc_auth_unix.c
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* Handles UNIX flavor authentication parameters on the service side of rpc.
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* There are two svc auth implementations here: AUTH_UNIX and AUTH_SHORT.
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* _svcauth_unix does full blown unix style uid,gid+gids auth,
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* _svcauth_short uses a shorthand auth to index into a cache of longhand auths.
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* Note: the shorthand has been gutted for efficiency.
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*
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* Copyright (C) 1984, Sun Microsystems, Inc.
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*/
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#include <stdio.h>
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#include <rpc/rpc.h>
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/*
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* Unix longhand authenticator
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*/
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enum auth_stat
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_svcauth_unix(rqst, msg)
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register struct svc_req *rqst;
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register struct rpc_msg *msg;
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{
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register enum auth_stat stat;
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XDR xdrs;
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register struct authunix_parms *aup;
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register long *buf;
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struct area {
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struct authunix_parms area_aup;
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char area_machname[MAX_MACHINE_NAME+1];
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int area_gids[NGRPS];
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} *area;
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u_int auth_len;
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int str_len, gid_len;
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register int i;
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area = (struct area *) rqst->rq_clntcred;
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aup = &area->area_aup;
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aup->aup_machname = area->area_machname;
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aup->aup_gids = area->area_gids;
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auth_len = (u_int)msg->rm_call.cb_cred.oa_length;
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xdrmem_create(&xdrs, msg->rm_call.cb_cred.oa_base, auth_len,XDR_DECODE);
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buf = XDR_INLINE(&xdrs, auth_len);
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if (buf != NULL) {
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aup->aup_time = IXDR_GET_LONG(buf);
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str_len = IXDR_GET_U_LONG(buf);
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if (str_len > MAX_MACHINE_NAME) {
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stat = AUTH_BADCRED;
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goto done;
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}
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bcopy((caddr_t)buf, aup->aup_machname, (u_int)str_len);
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aup->aup_machname[str_len] = 0;
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str_len = RNDUP(str_len);
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buf = (u_long *) ((char *) buf + str_len);
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aup->aup_uid = IXDR_GET_LONG(buf);
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aup->aup_gid = IXDR_GET_LONG(buf);
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gid_len = IXDR_GET_U_LONG(buf);
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if (gid_len > NGRPS) {
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stat = AUTH_BADCRED;
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goto done;
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}
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aup->aup_len = gid_len;
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for (i = 0; i < gid_len; i++) {
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aup->aup_gids[i] = IXDR_GET_LONG(buf);
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}
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/*
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* five is the smallest unix credentials structure -
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* timestamp, hostname len (0), uid, gid, and gids len (0).
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*/
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if ((5 + gid_len) * BYTES_PER_XDR_UNIT + str_len > auth_len) {
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(void) printf("bad auth_len gid %d str %d auth %d\n",
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gid_len, str_len, auth_len);
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stat = AUTH_BADCRED;
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goto done;
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}
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} else if (! xdr_authunix_parms(&xdrs, aup)) {
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xdrs.x_op = XDR_FREE;
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(void)xdr_authunix_parms(&xdrs, aup);
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stat = AUTH_BADCRED;
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goto done;
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}
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rqst->rq_xprt->xp_verf.oa_flavor = AUTH_NULL;
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rqst->rq_xprt->xp_verf.oa_length = 0;
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stat = AUTH_OK;
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done:
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XDR_DESTROY(&xdrs);
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return (stat);
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}
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/*
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* Shorthand unix authenticator
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* Looks up longhand in a cache.
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*/
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/*ARGSUSED*/
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enum auth_stat
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_svcauth_short(rqst, msg)
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struct svc_req *rqst;
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struct rpc_msg *msg;
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{
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return (AUTH_REJECTEDCRED);
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}
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