400 lines
11 KiB
C
400 lines
11 KiB
C
/*
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* clnt_perror.c
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*
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* Copyright (c) 2010, Oracle America, Inc.
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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
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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* * Neither the name of the "Oracle America, 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
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <libintl.h>
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#include <rpc/rpc.h>
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#ifdef USE_IN_LIBIO
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# include <wchar.h>
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# include <libio/iolibio.h>
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#endif
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static char *auth_errmsg (enum auth_stat stat) internal_function;
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#ifdef _RPC_THREAD_SAFE_
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/*
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* Making buf a preprocessor macro requires renaming the local
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* buf variable in a few functions. Overriding a global variable
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* with a local variable of the same name is a bad idea, anyway.
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*/
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#define buf RPC_THREAD_VARIABLE(clnt_perr_buf_s)
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#else
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static char *buf;
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#endif
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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 *msg)
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{
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struct rpc_err e;
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CLNT_GETERR (rpch, &e);
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const char *errstr = clnt_sperrno (e.re_status);
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char chrbuf[1024];
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char *str;
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char *tmpstr;
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int res;
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switch (e.re_status)
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{
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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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res = __asprintf (&str, "%s: %s\n", msg, errstr);
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break;
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case RPC_CANTSEND:
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case RPC_CANTRECV:
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res = __asprintf (&str, "%s: %s; errno = %s\n",
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msg, errstr, __strerror_r (e.re_errno,
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chrbuf, sizeof chrbuf));
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break;
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case RPC_VERSMISMATCH:
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res = __asprintf (&str,
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_("%s: %s; low version = %lu, high version = %lu"),
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msg, errstr, e.re_vers.low, e.re_vers.high);
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break;
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case RPC_AUTHERROR:
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tmpstr = auth_errmsg (e.re_why);
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if (tmpstr != NULL)
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res = __asprintf (&str, _("%s: %s; why = %s\n"), msg, errstr, tmpstr);
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else
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res = __asprintf (&str, _("\
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%s: %s; why = (unknown authentication error - %d)\n"),
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msg, errstr, (int) e.re_why);
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break;
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case RPC_PROGVERSMISMATCH:
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res = __asprintf (&str,
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_("%s: %s; low version = %lu, high version = %lu"),
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msg, errstr, e.re_vers.low, e.re_vers.high);
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break;
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default: /* unknown */
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res = __asprintf (&str, "%s: %s; s1 = %lu, s2 = %lu",
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msg, errstr, e.re_lb.s1, e.re_lb.s2);
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break;
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}
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if (res < 0)
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return NULL;
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char *oldbuf = buf;
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buf = str;
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free (oldbuf);
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return str;
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}
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libc_hidden_nolink (clnt_sperror, GLIBC_2_0)
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void
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clnt_perror (CLIENT * rpch, const char *msg)
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{
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(void) __fxprintf (NULL, "%s", clnt_sperror (rpch, msg));
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}
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#ifdef EXPORT_RPC_SYMBOLS
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libc_hidden_def (clnt_perror)
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#else
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libc_hidden_nolink (clnt_perror, GLIBC_2_0)
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#endif
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struct rpc_errtab
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{
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enum clnt_stat status;
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unsigned int message_off;
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};
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static const char rpc_errstr[] =
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{
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#define RPC_SUCCESS_IDX 0
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N_("RPC: Success")
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"\0"
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#define RPC_CANTENCODEARGS_IDX (RPC_SUCCESS_IDX + sizeof "RPC: Success")
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N_("RPC: Can't encode arguments")
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"\0"
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#define RPC_CANTDECODERES_IDX (RPC_CANTENCODEARGS_IDX \
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+ sizeof "RPC: Can't encode arguments")
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N_("RPC: Can't decode result")
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"\0"
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#define RPC_CANTSEND_IDX (RPC_CANTDECODERES_IDX \
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+ sizeof "RPC: Can't decode result")
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N_("RPC: Unable to send")
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"\0"
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#define RPC_CANTRECV_IDX (RPC_CANTSEND_IDX \
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+ sizeof "RPC: Unable to send")
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N_("RPC: Unable to receive")
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"\0"
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#define RPC_TIMEDOUT_IDX (RPC_CANTRECV_IDX \
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+ sizeof "RPC: Unable to receive")
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N_("RPC: Timed out")
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"\0"
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#define RPC_VERSMISMATCH_IDX (RPC_TIMEDOUT_IDX \
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+ sizeof "RPC: Timed out")
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N_("RPC: Incompatible versions of RPC")
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"\0"
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#define RPC_AUTHERROR_IDX (RPC_VERSMISMATCH_IDX \
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+ sizeof "RPC: Incompatible versions of RPC")
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N_("RPC: Authentication error")
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"\0"
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#define RPC_PROGUNAVAIL_IDX (RPC_AUTHERROR_IDX \
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+ sizeof "RPC: Authentication error")
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N_("RPC: Program unavailable")
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"\0"
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#define RPC_PROGVERSMISMATCH_IDX (RPC_PROGUNAVAIL_IDX \
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+ sizeof "RPC: Program unavailable")
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N_("RPC: Program/version mismatch")
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"\0"
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#define RPC_PROCUNAVAIL_IDX (RPC_PROGVERSMISMATCH_IDX \
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+ sizeof "RPC: Program/version mismatch")
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N_("RPC: Procedure unavailable")
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"\0"
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#define RPC_CANTDECODEARGS_IDX (RPC_PROCUNAVAIL_IDX \
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+ sizeof "RPC: Procedure unavailable")
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N_("RPC: Server can't decode arguments")
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"\0"
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#define RPC_SYSTEMERROR_IDX (RPC_CANTDECODEARGS_IDX \
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+ sizeof "RPC: Server can't decode arguments")
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N_("RPC: Remote system error")
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"\0"
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#define RPC_UNKNOWNHOST_IDX (RPC_SYSTEMERROR_IDX \
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+ sizeof "RPC: Remote system error")
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N_("RPC: Unknown host")
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"\0"
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#define RPC_UNKNOWNPROTO_IDX (RPC_UNKNOWNHOST_IDX \
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+ sizeof "RPC: Unknown host")
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N_("RPC: Unknown protocol")
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"\0"
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#define RPC_PMAPFAILURE_IDX (RPC_UNKNOWNPROTO_IDX \
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+ sizeof "RPC: Unknown protocol")
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N_("RPC: Port mapper failure")
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"\0"
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#define RPC_PROGNOTREGISTERED_IDX (RPC_PMAPFAILURE_IDX \
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+ sizeof "RPC: Port mapper failure")
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N_("RPC: Program not registered")
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"\0"
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#define RPC_FAILED_IDX (RPC_PROGNOTREGISTERED_IDX \
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+ sizeof "RPC: Program not registered")
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N_("RPC: Failed (unspecified error)")
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};
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static const struct rpc_errtab rpc_errlist[] =
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{
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{ RPC_SUCCESS, RPC_SUCCESS_IDX },
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{ RPC_CANTENCODEARGS, RPC_CANTENCODEARGS_IDX },
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{ RPC_CANTDECODERES, RPC_CANTDECODERES_IDX },
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{ RPC_CANTSEND, RPC_CANTSEND_IDX },
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{ RPC_CANTRECV, RPC_CANTRECV_IDX },
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{ RPC_TIMEDOUT, RPC_TIMEDOUT_IDX },
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{ RPC_VERSMISMATCH, RPC_VERSMISMATCH_IDX },
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{ RPC_AUTHERROR, RPC_AUTHERROR_IDX },
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{ RPC_PROGUNAVAIL, RPC_PROGUNAVAIL_IDX },
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{ RPC_PROGVERSMISMATCH, RPC_PROGVERSMISMATCH_IDX },
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{ RPC_PROCUNAVAIL, RPC_PROCUNAVAIL_IDX },
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{ RPC_CANTDECODEARGS, RPC_CANTDECODEARGS_IDX },
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{ RPC_SYSTEMERROR, RPC_SYSTEMERROR_IDX },
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{ RPC_UNKNOWNHOST, RPC_UNKNOWNHOST_IDX },
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{ RPC_UNKNOWNPROTO, RPC_UNKNOWNPROTO_IDX },
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{ RPC_PMAPFAILURE, RPC_PMAPFAILURE_IDX },
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{ RPC_PROGNOTREGISTERED, RPC_PROGNOTREGISTERED_IDX },
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{ RPC_FAILED, RPC_FAILED_IDX }
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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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size_t i;
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for (i = 0; i < sizeof (rpc_errlist) / sizeof (struct rpc_errtab); i++)
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{
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if (rpc_errlist[i].status == stat)
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{
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return _(rpc_errstr + rpc_errlist[i].message_off);
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}
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}
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return _("RPC: (unknown error code)");
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}
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libc_hidden_def (clnt_sperrno)
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void
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clnt_perrno (enum clnt_stat num)
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{
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(void) __fxprintf (NULL, "%s", clnt_sperrno (num));
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}
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#ifdef EXPORT_RPC_SYMBOLS
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libc_hidden_def (clnt_perrno)
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#else
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libc_hidden_nolink (clnt_perrno, GLIBC_2_0)
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#endif
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char *
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clnt_spcreateerror (const char *msg)
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{
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struct rpc_createerr *ce = &get_rpc_createerr ();
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char chrbuf[1024];
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const char *connector = "";
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const char *errstr = "";
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switch (ce->cf_stat)
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{
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case RPC_PMAPFAILURE:
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connector = " - ";
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errstr = clnt_sperrno (ce->cf_error.re_status);
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break;
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case RPC_SYSTEMERROR:
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connector = " - ";
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errstr = __strerror_r (ce->cf_error.re_errno, chrbuf, sizeof chrbuf);
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break;
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default:
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break;
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}
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char *str;
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if (__asprintf (&str, "%s: %s%s%s\n",
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msg, clnt_sperrno (ce->cf_stat), connector, errstr) < 0)
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return NULL;
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char *oldbuf = buf;
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buf = str;
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free (oldbuf);
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return str;
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}
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libc_hidden_nolink (clnt_spcreateerror, GLIBC_2_0)
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void
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clnt_pcreateerror (const char *msg)
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{
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(void) __fxprintf (NULL, "%s", clnt_spcreateerror (msg));
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}
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#ifdef EXPORT_RPC_SYMBOLS
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libc_hidden_def (clnt_pcreateerror)
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#else
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libc_hidden_nolink (clnt_pcreateerror, GLIBC_2_0)
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#endif
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struct auth_errtab
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{
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enum auth_stat status;
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unsigned int message_off;
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};
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static const char auth_errstr[] =
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{
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#define AUTH_OK_IDX 0
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N_("Authentication OK")
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"\0"
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#define AUTH_BADCRED_IDX (AUTH_OK_IDX + sizeof "Authentication OK")
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N_("Invalid client credential")
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"\0"
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#define AUTH_REJECTEDCRED_IDX (AUTH_BADCRED_IDX \
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+ sizeof "Invalid client credential")
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N_("Server rejected credential")
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"\0"
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#define AUTH_BADVERF_IDX (AUTH_REJECTEDCRED_IDX \
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+ sizeof "Server rejected credential")
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N_("Invalid client verifier")
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"\0"
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#define AUTH_REJECTEDVERF_IDX (AUTH_BADVERF_IDX \
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+ sizeof "Invalid client verifier")
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N_("Server rejected verifier")
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"\0"
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#define AUTH_TOOWEAK_IDX (AUTH_REJECTEDVERF_IDX \
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+ sizeof "Server rejected verifier")
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N_("Client credential too weak")
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"\0"
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#define AUTH_INVALIDRESP_IDX (AUTH_TOOWEAK_IDX \
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+ sizeof "Client credential too weak")
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N_("Invalid server verifier")
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"\0"
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#define AUTH_FAILED_IDX (AUTH_INVALIDRESP_IDX \
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+ sizeof "Invalid server verifier")
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N_("Failed (unspecified error)")
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};
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static const struct auth_errtab auth_errlist[] =
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{
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{ AUTH_OK, AUTH_OK_IDX },
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{ AUTH_BADCRED, AUTH_BADCRED_IDX },
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{ AUTH_REJECTEDCRED, AUTH_REJECTEDCRED_IDX },
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{ AUTH_BADVERF, AUTH_BADVERF_IDX },
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{ AUTH_REJECTEDVERF, AUTH_REJECTEDVERF_IDX },
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{ AUTH_TOOWEAK, AUTH_TOOWEAK_IDX },
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{ AUTH_INVALIDRESP, AUTH_INVALIDRESP_IDX },
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{ AUTH_FAILED, AUTH_FAILED_IDX }
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};
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static char *
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internal_function
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auth_errmsg (enum auth_stat stat)
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{
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size_t i;
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for (i = 0; i < sizeof (auth_errlist) / sizeof (struct auth_errtab); i++)
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{
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if (auth_errlist[i].status == stat)
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{
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return _(auth_errstr + auth_errlist[i].message_off);
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}
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}
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return NULL;
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}
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libc_freeres_fn (free_mem)
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{
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/* Not libc_freeres_ptr, since buf is a macro. */
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free (buf);
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}
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