uclibc-ng/libc/inet/rpc/clnt_perror.c

/* @(#)clnt_perror.c	2.1 88/07/29 4.0 RPCSRC */
/*
 * 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
 */
#define __FORCE_GLIBC
#include <features.h>

/*
 * clnt_perror.c
 *
 * Copyright (C) 1984, Sun Microsystems, Inc.
 *
 */

#include <stdio.h>
#include <string.h>

#include <rpc/types.h>
#include <rpc/auth.h>
#include <rpc/clnt.h>

static char *auth_errmsg();

extern char *strcpy();

static char *buf;

static char *_buf()
{

	if (buf == 0)
		buf = (char *) malloc(256);
	return (buf);
}

/*
 * Print reply error info
 */
char *clnt_sperror __P ((CLIENT *rpch, const char *s))
{
	struct rpc_err e;
	void clnt_perrno();
	char *err;
	char *str = _buf();
	char *strstart = str;

	if (str == 0)
		return (0);
	CLNT_GETERR(rpch, &e);

	(void) sprintf(str, "%s: ", s);
	str += strlen(str);

	(void) strcpy(str, clnt_sperrno(e.re_status));
	str += strlen(str);

	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:
		(void) sprintf(str, "; errno = %s", strerror (e.re_errno));
		str += strlen(str);
		break;

	case RPC_VERSMISMATCH:
		(void) sprintf(str,
					   "; low version = %lu, high version = %lu",
					   e.re_vers.low, e.re_vers.high);
		str += strlen(str);
		break;

	case RPC_AUTHERROR:
		err = auth_errmsg(e.re_why);
		(void) sprintf(str, "; why = ");
		str += strlen(str);
		if (err != NULL) {
			(void) sprintf(str, "%s", err);
		} else {
			(void) sprintf(str,
						   "(unknown authentication error - %d)",
						   (int) e.re_why);
		}
		str += strlen(str);
		break;

	case RPC_PROGVERSMISMATCH:
		(void) sprintf(str,
					   "; low version = %lu, high version = %lu",
					   e.re_vers.low, e.re_vers.high);
		str += strlen(str);
		break;

	default:					/* unknown */
		(void) sprintf(str,
					   "; s1 = %lu, s2 = %lu", e.re_lb.s1, e.re_lb.s2);
		str += strlen(str);
		break;
	}
	(void) sprintf(str, "\n");
	return (strstart);
}

void clnt_perror __P ((CLIENT *rpch, const char *s))
{
	(void) fprintf(stderr, "%s", clnt_sperror(rpch, s));
}


struct rpc_errtab {
	enum clnt_stat status;
	char *message;
};

#if 0
static struct rpc_errtab 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_UNKNOWNPROTO,
	 "RPC: Unknown protocol"},
	{RPC_PMAPFAILURE,
	 "RPC: Port mapper failure"},
	{RPC_PROGNOTREGISTERED,
	 "RPC: Program not registered"},
	{RPC_FAILED,
	 "RPC: Failed (unspecified error)"}
};
#endif

/*
 * This interface for use by clntrpc
 */
char *clnt_sperrno(stat)
enum clnt_stat stat;
{
#if 0
	int i;

	for (i = 0; i < sizeof(rpc_errlist) / sizeof(struct rpc_errtab); i++) {
		if (rpc_errlist[i].status == stat) {
			return (rpc_errlist[i].message);
		}
	}
#endif
	return ("RPC: (unknown error code)");
}

void clnt_perrno(num)
enum clnt_stat num;
{
	(void) fprintf(stderr, "%s", clnt_sperrno(num));
}


char *clnt_spcreateerror __P ((__const char *s))
{
#if 0
	char *str = _buf();

	if (str == 0)
		return (0);
	(void) sprintf(str, "%s: ", s);
	(void) strcat(str, clnt_sperrno(rpc_createerr.cf_stat));
	switch (rpc_createerr.cf_stat) {
	case RPC_PMAPFAILURE:
		(void) strcat(str, " - ");
		(void) strcat(str, clnt_sperrno(rpc_createerr.cf_error.re_status));
		break;

	case RPC_SYSTEMERROR:
		(void) strcat(str, " - ");
		if (rpc_createerr.cf_error.re_errno > 0)
			(void) strcat(str, strerror (rpc_createerr.cf_error.re_errno));
		else
			(void )sprintf(&str[strlen(str)], "Error %d",
				       rpc_createerr.cf_error.re_errno);
		break;
	}
	(void) strcat(str, "\n");
	return (str);
#endif
	return(0);
}

extern void clnt_pcreateerror __P ((__const char *s))
{
	(void) fprintf(stderr, "%s", clnt_spcreateerror(s));
}

struct auth_errtab {
	enum auth_stat status;
	char *message;
};

static struct auth_errtab auth_errlist[] = {
	{AUTH_OK,
	 "Authentication OK"},
	{AUTH_BADCRED,
	 "Invalid client credential"},
	{AUTH_REJECTEDCRED,
	 "Server rejected credential"},
	{AUTH_BADVERF,
	 "Invalid client verifier"},
	{AUTH_REJECTEDVERF,
	 "Server rejected verifier"},
	{AUTH_TOOWEAK,
	 "Client credential too weak"},
	{AUTH_INVALIDRESP,
	 "Invalid server verifier"},
	{AUTH_FAILED,
	 "Failed (unspecified error)"},
};

static char *auth_errmsg(stat)
enum auth_stat stat;
{
	int i;

	for (i = 0; i < sizeof(auth_errlist) / sizeof(struct auth_errtab); i++) {
		if (auth_errlist[i].status == stat) {
			return (auth_errlist[i].message);
		}
	}
	return (NULL);
}