NetBSD-5.0.2/lib/libc/rpc/clnt_perror.c
/* $NetBSD: clnt_perror.c,v 1.28 2008/04/25 17:44:44 christos Exp $ */
/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static char *sccsid = "@(#)clnt_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro";
static char *sccsid = "@(#)clnt_perror.c 2.1 88/07/29 4.0 RPCSRC";
#else
__RCSID("$NetBSD: clnt_perror.c,v 1.28 2008/04/25 17:44:44 christos Exp $");
#endif
#endif
/*
* clnt_perror.c
*
* Copyright (C) 1984, Sun Microsystems, Inc.
*
*/
#include "namespace.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <rpc/rpc.h>
#include <rpc/types.h>
#include <rpc/auth.h>
#include <rpc/clnt.h>
#ifdef __weak_alias
__weak_alias(clnt_pcreateerror,_clnt_pcreateerror)
__weak_alias(clnt_perrno,_clnt_perrno)
__weak_alias(clnt_perror,_clnt_perror)
__weak_alias(clnt_spcreateerror,_clnt_spcreateerror)
__weak_alias(clnt_sperrno,_clnt_sperrno)
__weak_alias(clnt_sperror,_clnt_sperror)
#endif
static char *buf;
static size_t buflen;
static char *_buf __P((void));
static char *auth_errmsg __P((enum auth_stat));
static char *
_buf()
{
buflen = 256;
if (buf == 0)
buf = malloc(buflen);
return (buf);
}
/*
* Print reply error info
*/
char *
clnt_sperror(rpch, s)
CLIENT *rpch;
const char *s;
{
struct rpc_err e;
char *err;
char *str;
char *strstart;
size_t len, i;
_DIAGASSERT(rpch != NULL);
_DIAGASSERT(s != NULL);
str = _buf(); /* side effect: sets "buflen" */
if (str == 0)
return (0);
len = buflen;
strstart = str;
CLNT_GETERR(rpch, &e);
i = snprintf(str, len, "%s: ", s);
str += i;
len -= i;
(void)strncpy(str, clnt_sperrno(e.re_status), len - 1);
i = strlen(str);
str += i;
len -= i;
switch (e.re_status) {
case RPC_SUCCESS:
case RPC_CANTENCODEARGS:
case RPC_CANTDECODERES:
case RPC_TIMEDOUT:
case RPC_PROGUNAVAIL:
case RPC_PROCUNAVAIL:
case RPC_CANTDECODEARGS:
case RPC_SYSTEMERROR:
case RPC_UNKNOWNHOST:
case RPC_UNKNOWNPROTO:
case RPC_PMAPFAILURE:
case RPC_PROGNOTREGISTERED:
case RPC_FAILED:
break;
case RPC_CANTSEND:
case RPC_CANTRECV:
i = snprintf(str, len, "; errno = %s", strerror(e.re_errno));
str += i;
len -= i;
break;
case RPC_VERSMISMATCH:
i = snprintf(str, len, "; low version = %u, high version = %u",
e.re_vers.low, e.re_vers.high);
str += i;
len -= i;
break;
case RPC_AUTHERROR:
err = auth_errmsg(e.re_why);
i = snprintf(str, len, "; why = ");
str += i;
len -= i;
if (err != NULL) {
i = snprintf(str, len, "%s",err);
} else {
i = snprintf(str, len,
"(unknown authentication error - %d)",
(int) e.re_why);
}
str += i;
len -= i;
break;
case RPC_PROGVERSMISMATCH:
i = snprintf(str, len, "; low version = %u, high version = %u",
e.re_vers.low, e.re_vers.high);
str += i;
len -= i;
break;
default: /* unknown */
i = snprintf(str, len, "; s1 = %u, s2 = %u",
e.re_lb.s1, e.re_lb.s2);
str += i;
len -= i;
break;
}
return(strstart) ;
}
void
clnt_perror(rpch, s)
CLIENT *rpch;
const char *s;
{
_DIAGASSERT(rpch != NULL);
_DIAGASSERT(s != NULL);
(void) fprintf(stderr, "%s\n", clnt_sperror(rpch,s));
}
static const char *const rpc_errlist[] = {
[RPC_SUCCESS] = "RPC: Success",
[RPC_CANTENCODEARGS] = "RPC: Can't encode arguments",
[RPC_CANTDECODERES] = "RPC: Can't decode result",
[RPC_CANTSEND] = "RPC: Unable to send",
[RPC_CANTRECV] = "RPC: Unable to receive",
[RPC_TIMEDOUT] = "RPC: Timed out",
[RPC_VERSMISMATCH] = "RPC: Incompatible versions of RPC",
[RPC_AUTHERROR] = "RPC: Authentication error",
[RPC_PROGUNAVAIL] = "RPC: Program unavailable",
[RPC_PROGVERSMISMATCH] = "RPC: Program/version mismatch",
[RPC_PROCUNAVAIL] = "RPC: Procedure unavailable",
[RPC_CANTDECODEARGS] = "RPC: Server can't decode arguments",
[RPC_SYSTEMERROR] = "RPC: Remote system error",
[RPC_UNKNOWNHOST] = "RPC: Unknown host",
[RPC_PMAPFAILURE] = "RPC: Port mapper failure",
[RPC_PROGNOTREGISTERED] = "RPC: Program not registered",
[RPC_FAILED] = "RPC: Failed (unspecified error)",
[RPC_UNKNOWNPROTO] = "RPC: Unknown protocol",
[RPC_UNKNOWNADDR] = "RPC: Remote address unknown",
[RPC_TLIERROR] = "RPC: Misc error in the TLI library",
[RPC_NOBROADCAST] = "RPC: Broadcasting not supported",
[RPC_N2AXLATEFAILURE] = "RPC: Name -> addr translation failed",
[RPC_INPROGRESS] = "RPC: In progress",
[RPC_STALERACHANDLE] = "RPC: Stale handle",
};
/*
* This interface for use by clntrpc
*/
char *
clnt_sperrno(stat)
enum clnt_stat stat;
{
unsigned int errnum = stat;
const char *msg;
msg = NULL;
if (errnum < (sizeof(rpc_errlist)/sizeof(rpc_errlist[0]))) {
msg = rpc_errlist[errnum];
}
if (msg == NULL) {
msg = "RPC: (unknown error code)";
}
return __UNCONST(msg);
}
void
clnt_perrno(num)
enum clnt_stat num;
{
(void) fprintf(stderr, "%s\n", clnt_sperrno(num));
}
char *
clnt_spcreateerror(s)
const char *s;
{
char *str;
size_t len, i;
_DIAGASSERT(s != NULL);
str = _buf(); /* side effect: sets "buflen" */
if (str == 0)
return(0);
len = buflen;
i = snprintf(str, len, "%s: ", s);
len -= i;
(void)strncat(str, clnt_sperrno(rpc_createerr.cf_stat), len - 1);
switch (rpc_createerr.cf_stat) {
case RPC_PMAPFAILURE:
(void) strncat(str, " - ", len - 1);
(void) strncat(str,
clnt_sperrno(rpc_createerr.cf_error.re_status), len - 4);
break;
case RPC_SYSTEMERROR:
(void)strncat(str, " - ", len - 1);
(void)strncat(str, strerror(rpc_createerr.cf_error.re_errno),
len - 4);
break;
case RPC_CANTSEND:
case RPC_CANTDECODERES:
case RPC_CANTENCODEARGS:
case RPC_SUCCESS:
case RPC_UNKNOWNPROTO:
case RPC_PROGNOTREGISTERED:
case RPC_FAILED:
case RPC_UNKNOWNHOST:
case RPC_CANTDECODEARGS:
case RPC_PROCUNAVAIL:
case RPC_PROGVERSMISMATCH:
case RPC_PROGUNAVAIL:
case RPC_AUTHERROR:
case RPC_VERSMISMATCH:
case RPC_TIMEDOUT:
case RPC_CANTRECV:
default:
break;
}
return (str);
}
void
clnt_pcreateerror(s)
const char *s;
{
_DIAGASSERT(s != NULL);
(void) fprintf(stderr, "%s\n", clnt_spcreateerror(s));
}
static const char *const auth_errlist[] = {
"Authentication OK", /* 0 - AUTH_OK */
"Invalid client credential", /* 1 - AUTH_BADCRED */
"Server rejected credential", /* 2 - AUTH_REJECTEDCRED */
"Invalid client verifier", /* 3 - AUTH_BADVERF */
"Server rejected verifier", /* 4 - AUTH_REJECTEDVERF */
"Client credential too weak", /* 5 - AUTH_TOOWEAK */
"Invalid server verifier", /* 6 - AUTH_INVALIDRESP */
"Failed (unspecified error)" /* 7 - AUTH_FAILED */
};
static char *
auth_errmsg(stat)
enum auth_stat stat;
{
unsigned int errnum = stat;
if (errnum < (sizeof(auth_errlist)/sizeof(auth_errlist[0])))
return __UNCONST(auth_errlist[errnum]);
return(NULL);
}