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370c138add
- optimise the error number -> string mapping code Obtained from: a diff of FreeBSD vs. OpenBSD/NetBSD rpc code.
255 lines
6.4 KiB
C
255 lines
6.4 KiB
C
/*
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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(LIBC_SCCS) && !defined(lint)
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/*static char *sccsid = "from: @(#)clnt_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro";*/
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/*static char *sccsid = "from: @(#)clnt_perror.c 2.1 88/07/29 4.0 RPCSRC";*/
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static char *rcsid = "$Id: clnt_perror.c,v 1.5 1996/06/10 20:13:02 jraynard Exp $";
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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 <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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static char *auth_errmsg();
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#define CLNT_PERROR_BUFLEN 256
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static char *buf;
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static char *
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_buf()
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{
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if (buf == 0)
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buf = (char *)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(rpch, s)
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CLIENT *rpch;
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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 = _buf();
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char *strstart = str;
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if (str == 0)
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return (0);
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CLNT_GETERR(rpch, &e);
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(void) sprintf(str, "%s: %s", s, clnt_sperrno(e.re_status));
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str += strlen(str);
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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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(void) snprintf(str, CLNT_PERROR_BUFLEN - (str - strstart),
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"; errno = %s\n", strerror(e.re_errno));
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break;
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case RPC_VERSMISMATCH:
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(void) sprintf(str,
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"; low version = %lu, high version = %lu\n",
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e.re_vers.low, e.re_vers.high);
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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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(void) sprintf(str,"; why = ");
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str += strlen(str);
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if (err != NULL) {
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(void) sprintf(str, "%s\n",err);
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} else {
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(void) sprintf(str,
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"(unknown authentication error - %d)\n",
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(int) e.re_why);
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}
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break;
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case RPC_PROGVERSMISMATCH:
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(void) sprintf(str,
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"; low version = %lu, high version = %lu\n",
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e.re_vers.low, e.re_vers.high);
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break;
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default: /* unknown */
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(void) sprintf(str,
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"; s1 = %lu, s2 = %lu\n",
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e.re_lb.s1, e.re_lb.s2);
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break;
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}
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strstart[CLNT_PERROR_BUFLEN-2] = '\n';
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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(rpch, s)
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CLIENT *rpch;
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char *s;
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{
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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(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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if (errnum < (sizeof(rpc_errlist)/sizeof(rpc_errlist[0])))
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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(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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char *s;
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{
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char *str = _buf();
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if (str == 0)
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return(0);
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switch (rpc_createerr.cf_stat) {
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case RPC_PMAPFAILURE:
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(void) snprintf(str, CLNT_PERROR_BUFLEN, "%s: %s - %s\n", s,
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clnt_sperrno(rpc_createerr.cf_stat),
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clnt_sperrno(rpc_createerr.cf_error.re_status));
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break;
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case RPC_SYSTEMERROR:
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(void) snprintf(str, CLNT_PERROR_BUFLEN, "%s: %s - %s\n", s,
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clnt_sperrno(rpc_createerr.cf_stat),
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strerror(rpc_createerr.cf_error.re_errno));
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break;
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default:
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(void) snprintf(str, CLNT_PERROR_BUFLEN, "%s: %s\n", s,
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clnt_sperrno(rpc_createerr.cf_stat));
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break;
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}
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str[CLNT_PERROR_BUFLEN-2] = '\n';
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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(s)
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char *s;
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{
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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 (char *)auth_errlist[errnum];
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return(NULL);
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}
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