513004a23d
While here also cleanup some surrounding code; particularly drop some malloc() casts. Found with devel/coccinelle. Reviewed by: bde (previous version - all new bugs are mine)
324 lines
8.2 KiB
C
324 lines
8.2 KiB
C
/* $NetBSD: clnt_perror.c,v 1.24 2000/06/02 23:11:07 fvdl Exp $ */
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/*-
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* Copyright (c) 2009, Sun Microsystems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of Sun Microsystems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char *sccsid2 = "@(#)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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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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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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#include "un-namespace.h"
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static char *buf;
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static char *_buf(void);
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static char *auth_errmsg(enum auth_stat);
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#define CLNT_PERROR_BUFLEN 256
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static char *
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_buf(void)
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{
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if (buf == NULL)
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buf = malloc(CLNT_PERROR_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(CLIENT *rpch, 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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assert(rpch != NULL);
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assert(s != NULL);
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str = _buf(); /* side effect: sets CLNT_PERROR_BUFLEN */
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if (str == NULL)
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return (0);
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len = CLNT_PERROR_BUFLEN;
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strstart = str;
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CLNT_GETERR(rpch, &e);
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if ((i = snprintf(str, len, "%s: ", s)) > 0) {
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str += i;
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len -= i;
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}
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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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if (i > 0) {
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str += i;
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len -= i;
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}
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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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if (i > 0) {
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str += i;
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len -= i;
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}
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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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if (i > 0) {
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str += i;
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len -= i;
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}
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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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if (i > 0) {
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str += i;
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len -= i;
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}
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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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if (i > 0) {
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str += i;
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len -= i;
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}
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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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if (i > 0) {
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str += i;
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len -= i;
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}
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break;
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}
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strstart[CLNT_PERROR_BUFLEN-1] = '\0';
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return(strstart) ;
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}
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void
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clnt_perror(CLIENT *rpch, const char *s)
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{
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assert(rpch != NULL);
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assert(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", /* 0 - RPC_SUCCESS */
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"RPC: Can't encode arguments", /* 1 - RPC_CANTENCODEARGS */
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"RPC: Can't decode result", /* 2 - RPC_CANTDECODERES */
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"RPC: Unable to send", /* 3 - RPC_CANTSEND */
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"RPC: Unable to receive", /* 4 - RPC_CANTRECV */
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"RPC: Timed out", /* 5 - RPC_TIMEDOUT */
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"RPC: Incompatible versions of RPC", /* 6 - RPC_VERSMISMATCH */
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"RPC: Authentication error", /* 7 - RPC_AUTHERROR */
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"RPC: Program unavailable", /* 8 - RPC_PROGUNAVAIL */
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"RPC: Program/version mismatch", /* 9 - RPC_PROGVERSMISMATCH */
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"RPC: Procedure unavailable", /* 10 - RPC_PROCUNAVAIL */
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"RPC: Server can't decode arguments", /* 11 - RPC_CANTDECODEARGS */
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"RPC: Remote system error", /* 12 - RPC_SYSTEMERROR */
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"RPC: Unknown host", /* 13 - RPC_UNKNOWNHOST */
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"RPC: Port mapper failure", /* 14 - RPC_PMAPFAILURE */
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"RPC: Program not registered", /* 15 - RPC_PROGNOTREGISTERED */
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"RPC: Failed (unspecified error)", /* 16 - RPC_FAILED */
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"RPC: Unknown protocol" /* 17 - RPC_UNKNOWNPROTO */
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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(enum clnt_stat stat)
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{
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unsigned int errnum = stat;
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if (errnum < (sizeof(rpc_errlist)/sizeof(rpc_errlist[0])))
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/* LINTED interface problem */
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return (char *)rpc_errlist[errnum];
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return ("RPC: (unknown error code)");
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}
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void
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clnt_perrno(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(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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assert(s != NULL);
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str = _buf(); /* side effect: sets CLNT_PERROR_BUFLEN */
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if (str == NULL)
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return(0);
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len = CLNT_PERROR_BUFLEN;
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i = snprintf(str, len, "%s: ", s);
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if (i > 0)
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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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str[CLNT_PERROR_BUFLEN-1] = '\0';
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return (str);
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}
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void
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clnt_pcreateerror(const char *s)
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{
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assert(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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"Kerberos generic error", /* 8 - AUTH_KERB_GENERIC*/
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"Kerberos credential expired", /* 9 - AUTH_TIMEEXPIRE */
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"Bad kerberos ticket file", /* 10 - AUTH_TKT_FILE */
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"Can't decode kerberos authenticator", /* 11 - AUTH_DECODE */
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"Address wrong in kerberos ticket", /* 12 - AUTH_NET_ADDR */
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"GSS-API crediential problem", /* 13 - RPCSEC_GSS_CREDPROBLEM */
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"GSS-API context problem" /* 14 - RPCSEC_GSS_CTXPROBLEM */
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};
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static char *
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auth_errmsg(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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/* LINTED interface problem */
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return (char *)auth_errlist[errnum];
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return(NULL);
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}
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