332 lines
7.8 KiB
C
332 lines
7.8 KiB
C
/* $NetBSD: clnt_perror.c,v 1.28 2008/04/25 17:44:44 christos Exp $ */
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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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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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#if 0
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static char *sccsid = "@(#)clnt_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro";
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static char *sccsid = "@(#)clnt_perror.c 2.1 88/07/29 4.0 RPCSRC";
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#else
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__RCSID("$NetBSD: clnt_perror.c,v 1.28 2008/04/25 17:44:44 christos Exp $");
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#endif
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#endif
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/*
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* clnt_perror.c
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*
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* Copyright (C) 1984, Sun Microsystems, Inc.
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*
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*/
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#include "namespace.h"
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <rpc/rpc.h>
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#include <rpc/types.h>
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#include <rpc/auth.h>
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#include <rpc/clnt.h>
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#ifdef __weak_alias
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__weak_alias(clnt_pcreateerror,_clnt_pcreateerror)
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__weak_alias(clnt_perrno,_clnt_perrno)
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__weak_alias(clnt_perror,_clnt_perror)
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__weak_alias(clnt_spcreateerror,_clnt_spcreateerror)
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__weak_alias(clnt_sperrno,_clnt_sperrno)
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__weak_alias(clnt_sperror,_clnt_sperror)
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#endif
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static char *buf;
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static size_t buflen;
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static char *_buf __P((void));
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static char *auth_errmsg __P((enum auth_stat));
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static char *
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_buf()
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{
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buflen = 256;
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if (buf == 0)
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buf = malloc(buflen);
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return (buf);
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}
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/*
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* Print reply error info
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*/
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char *
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clnt_sperror(rpch, s)
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CLIENT *rpch;
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const char *s;
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{
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struct rpc_err e;
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char *err;
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char *str;
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char *strstart;
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size_t len, i;
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_DIAGASSERT(rpch != NULL);
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_DIAGASSERT(s != NULL);
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str = _buf(); /* side effect: sets "buflen" */
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if (str == 0)
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return (0);
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len = buflen;
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strstart = str;
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CLNT_GETERR(rpch, &e);
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i = snprintf(str, len, "%s: ", s);
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str += i;
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len -= i;
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(void)strncpy(str, clnt_sperrno(e.re_status), len - 1);
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i = strlen(str);
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str += i;
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len -= i;
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switch (e.re_status) {
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case RPC_SUCCESS:
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case RPC_CANTENCODEARGS:
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case RPC_CANTDECODERES:
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case RPC_TIMEDOUT:
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case RPC_PROGUNAVAIL:
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case RPC_PROCUNAVAIL:
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case RPC_CANTDECODEARGS:
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case RPC_SYSTEMERROR:
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case RPC_UNKNOWNHOST:
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case RPC_UNKNOWNPROTO:
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case RPC_PMAPFAILURE:
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case RPC_PROGNOTREGISTERED:
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case RPC_FAILED:
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break;
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case RPC_CANTSEND:
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case RPC_CANTRECV:
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i = snprintf(str, len, "; errno = %s", strerror(e.re_errno));
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str += i;
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len -= i;
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break;
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case RPC_VERSMISMATCH:
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i = snprintf(str, len, "; low version = %u, high version = %u",
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e.re_vers.low, e.re_vers.high);
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str += i;
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len -= i;
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break;
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case RPC_AUTHERROR:
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err = auth_errmsg(e.re_why);
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i = snprintf(str, len, "; why = ");
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str += i;
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len -= i;
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if (err != NULL) {
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i = snprintf(str, len, "%s",err);
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} else {
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i = snprintf(str, len,
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"(unknown authentication error - %d)",
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(int) e.re_why);
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}
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str += i;
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len -= i;
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break;
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case RPC_PROGVERSMISMATCH:
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i = snprintf(str, len, "; low version = %u, high version = %u",
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e.re_vers.low, e.re_vers.high);
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str += i;
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len -= i;
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break;
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default: /* unknown */
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i = snprintf(str, len, "; s1 = %u, s2 = %u",
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e.re_lb.s1, e.re_lb.s2);
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str += i;
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len -= i;
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break;
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}
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return(strstart) ;
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}
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void
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clnt_perror(rpch, s)
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CLIENT *rpch;
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const char *s;
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{
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_DIAGASSERT(rpch != NULL);
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_DIAGASSERT(s != NULL);
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(void) fprintf(stderr, "%s\n", clnt_sperror(rpch,s));
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}
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static const char *const rpc_errlist[] = {
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[RPC_SUCCESS] = "RPC: Success",
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[RPC_CANTENCODEARGS] = "RPC: Can't encode arguments",
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[RPC_CANTDECODERES] = "RPC: Can't decode result",
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[RPC_CANTSEND] = "RPC: Unable to send",
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[RPC_CANTRECV] = "RPC: Unable to receive",
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[RPC_TIMEDOUT] = "RPC: Timed out",
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[RPC_VERSMISMATCH] = "RPC: Incompatible versions of RPC",
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[RPC_AUTHERROR] = "RPC: Authentication error",
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[RPC_PROGUNAVAIL] = "RPC: Program unavailable",
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[RPC_PROGVERSMISMATCH] = "RPC: Program/version mismatch",
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[RPC_PROCUNAVAIL] = "RPC: Procedure unavailable",
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[RPC_CANTDECODEARGS] = "RPC: Server can't decode arguments",
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[RPC_SYSTEMERROR] = "RPC: Remote system error",
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[RPC_UNKNOWNHOST] = "RPC: Unknown host",
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[RPC_PMAPFAILURE] = "RPC: Port mapper failure",
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[RPC_PROGNOTREGISTERED] = "RPC: Program not registered",
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[RPC_FAILED] = "RPC: Failed (unspecified error)",
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[RPC_UNKNOWNPROTO] = "RPC: Unknown protocol",
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[RPC_UNKNOWNADDR] = "RPC: Remote address unknown",
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[RPC_TLIERROR] = "RPC: Misc error in the TLI library",
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[RPC_NOBROADCAST] = "RPC: Broadcasting not supported",
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[RPC_N2AXLATEFAILURE] = "RPC: Name -> addr translation failed",
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[RPC_INPROGRESS] = "RPC: In progress",
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[RPC_STALERACHANDLE] = "RPC: Stale handle",
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};
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/*
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* This interface for use by clntrpc
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*/
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char *
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clnt_sperrno(stat)
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enum clnt_stat stat;
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{
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unsigned int errnum = stat;
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const char *msg;
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msg = NULL;
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if (errnum < (sizeof(rpc_errlist)/sizeof(rpc_errlist[0]))) {
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msg = rpc_errlist[errnum];
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}
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if (msg == NULL) {
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msg = "RPC: (unknown error code)";
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}
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return __UNCONST(msg);
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}
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void
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clnt_perrno(num)
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enum clnt_stat num;
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{
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(void) fprintf(stderr, "%s\n", clnt_sperrno(num));
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}
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char *
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clnt_spcreateerror(s)
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const char *s;
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{
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char *str;
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size_t len, i;
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_DIAGASSERT(s != NULL);
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str = _buf(); /* side effect: sets "buflen" */
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if (str == 0)
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return(0);
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len = buflen;
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i = snprintf(str, len, "%s: ", s);
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len -= i;
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(void)strncat(str, clnt_sperrno(rpc_createerr.cf_stat), len - 1);
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switch (rpc_createerr.cf_stat) {
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case RPC_PMAPFAILURE:
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(void) strncat(str, " - ", len - 1);
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(void) strncat(str,
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clnt_sperrno(rpc_createerr.cf_error.re_status), len - 4);
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break;
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case RPC_SYSTEMERROR:
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(void)strncat(str, " - ", len - 1);
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(void)strncat(str, strerror(rpc_createerr.cf_error.re_errno),
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len - 4);
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break;
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case RPC_CANTSEND:
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case RPC_CANTDECODERES:
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case RPC_CANTENCODEARGS:
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case RPC_SUCCESS:
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case RPC_UNKNOWNPROTO:
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case RPC_PROGNOTREGISTERED:
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case RPC_FAILED:
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case RPC_UNKNOWNHOST:
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case RPC_CANTDECODEARGS:
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case RPC_PROCUNAVAIL:
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case RPC_PROGVERSMISMATCH:
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case RPC_PROGUNAVAIL:
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case RPC_AUTHERROR:
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case RPC_VERSMISMATCH:
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case RPC_TIMEDOUT:
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case RPC_CANTRECV:
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default:
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break;
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}
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return (str);
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}
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void
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clnt_pcreateerror(s)
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const char *s;
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{
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_DIAGASSERT(s != NULL);
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(void) fprintf(stderr, "%s\n", clnt_spcreateerror(s));
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}
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static const char *const auth_errlist[] = {
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"Authentication OK", /* 0 - AUTH_OK */
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"Invalid client credential", /* 1 - AUTH_BADCRED */
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"Server rejected credential", /* 2 - AUTH_REJECTEDCRED */
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"Invalid client verifier", /* 3 - AUTH_BADVERF */
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"Server rejected verifier", /* 4 - AUTH_REJECTEDVERF */
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"Client credential too weak", /* 5 - AUTH_TOOWEAK */
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"Invalid server verifier", /* 6 - AUTH_INVALIDRESP */
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"Failed (unspecified error)" /* 7 - AUTH_FAILED */
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};
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static char *
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auth_errmsg(stat)
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enum auth_stat stat;
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{
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unsigned int errnum = stat;
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if (errnum < (sizeof(auth_errlist)/sizeof(auth_errlist[0])))
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return __UNCONST(auth_errlist[errnum]);
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return(NULL);
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}
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