| /* |
| * clnt_perror.c |
| * |
| * Copyright (c) 2010, 2011, Oracle America, Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials |
| * provided with the distribution. |
| * * Neither the name of the "Oracle America, Inc." nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
| * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
| * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #include <stdio.h> |
| #include <string.h> |
| #include <libintl.h> |
| #include <rpc/rpc.h> |
| #include <wchar.h> |
| #include <libio/iolibio.h> |
| |
| static char *auth_errmsg (enum auth_stat stat) internal_function; |
| |
| #ifdef _RPC_THREAD_SAFE_ |
| /* |
| * Making buf a preprocessor macro requires renaming the local |
| * buf variable in a few functions. Overriding a global variable |
| * with a local variable of the same name is a bad idea, anyway. |
| */ |
| #define buf RPC_THREAD_VARIABLE(clnt_perr_buf_s) |
| #else |
| static char *buf; |
| #endif |
| |
| /* |
| * Print reply error info |
| */ |
| char * |
| clnt_sperror (CLIENT * rpch, const char *msg) |
| { |
| struct rpc_err e; |
| CLNT_GETERR (rpch, &e); |
| |
| const char *errstr = clnt_sperrno (e.re_status); |
| |
| char chrbuf[1024]; |
| char *str; |
| char *tmpstr; |
| int res; |
| 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: |
| res = __asprintf (&str, "%s: %s\n", msg, errstr); |
| break; |
| |
| case RPC_CANTSEND: |
| case RPC_CANTRECV: |
| res = __asprintf (&str, "%s: %s; errno = %s\n", |
| msg, errstr, __strerror_r (e.re_errno, |
| chrbuf, sizeof chrbuf)); |
| break; |
| |
| case RPC_VERSMISMATCH: |
| res = __asprintf (&str, |
| _("%s: %s; low version = %lu, high version = %lu"), |
| msg, errstr, e.re_vers.low, e.re_vers.high); |
| break; |
| |
| case RPC_AUTHERROR: |
| tmpstr = auth_errmsg (e.re_why); |
| if (tmpstr != NULL) |
| res = __asprintf (&str, _("%s: %s; why = %s\n"), msg, errstr, tmpstr); |
| else |
| res = __asprintf (&str, _("\ |
| %s: %s; why = (unknown authentication error - %d)\n"), |
| msg, errstr, (int) e.re_why); |
| break; |
| |
| case RPC_PROGVERSMISMATCH: |
| res = __asprintf (&str, |
| _("%s: %s; low version = %lu, high version = %lu"), |
| msg, errstr, e.re_vers.low, e.re_vers.high); |
| break; |
| |
| default: /* unknown */ |
| res = __asprintf (&str, "%s: %s; s1 = %lu, s2 = %lu", |
| msg, errstr, e.re_lb.s1, e.re_lb.s2); |
| break; |
| } |
| |
| if (res < 0) |
| return NULL; |
| |
| char *oldbuf = buf; |
| buf = str; |
| free (oldbuf); |
| |
| return str; |
| } |
| libc_hidden_nolink_sunrpc (clnt_sperror, GLIBC_2_0) |
| |
| void |
| clnt_perror (CLIENT * rpch, const char *msg) |
| { |
| (void) __fxprintf (NULL, "%s", clnt_sperror (rpch, msg)); |
| } |
| #ifdef EXPORT_RPC_SYMBOLS |
| libc_hidden_def (clnt_perror) |
| #else |
| libc_hidden_nolink_sunrpc (clnt_perror, GLIBC_2_0) |
| #endif |
| |
| |
| struct rpc_errtab |
| { |
| enum clnt_stat status; |
| unsigned int message_off; |
| }; |
| |
| static const char rpc_errstr[] = |
| { |
| #define RPC_SUCCESS_IDX 0 |
| N_("RPC: Success") |
| "\0" |
| #define RPC_CANTENCODEARGS_IDX (RPC_SUCCESS_IDX + sizeof "RPC: Success") |
| N_("RPC: Can't encode arguments") |
| "\0" |
| #define RPC_CANTDECODERES_IDX (RPC_CANTENCODEARGS_IDX \ |
| + sizeof "RPC: Can't encode arguments") |
| N_("RPC: Can't decode result") |
| "\0" |
| #define RPC_CANTSEND_IDX (RPC_CANTDECODERES_IDX \ |
| + sizeof "RPC: Can't decode result") |
| N_("RPC: Unable to send") |
| "\0" |
| #define RPC_CANTRECV_IDX (RPC_CANTSEND_IDX \ |
| + sizeof "RPC: Unable to send") |
| N_("RPC: Unable to receive") |
| "\0" |
| #define RPC_TIMEDOUT_IDX (RPC_CANTRECV_IDX \ |
| + sizeof "RPC: Unable to receive") |
| N_("RPC: Timed out") |
| "\0" |
| #define RPC_VERSMISMATCH_IDX (RPC_TIMEDOUT_IDX \ |
| + sizeof "RPC: Timed out") |
| N_("RPC: Incompatible versions of RPC") |
| "\0" |
| #define RPC_AUTHERROR_IDX (RPC_VERSMISMATCH_IDX \ |
| + sizeof "RPC: Incompatible versions of RPC") |
| N_("RPC: Authentication error") |
| "\0" |
| #define RPC_PROGUNAVAIL_IDX (RPC_AUTHERROR_IDX \ |
| + sizeof "RPC: Authentication error") |
| N_("RPC: Program unavailable") |
| "\0" |
| #define RPC_PROGVERSMISMATCH_IDX (RPC_PROGUNAVAIL_IDX \ |
| + sizeof "RPC: Program unavailable") |
| N_("RPC: Program/version mismatch") |
| "\0" |
| #define RPC_PROCUNAVAIL_IDX (RPC_PROGVERSMISMATCH_IDX \ |
| + sizeof "RPC: Program/version mismatch") |
| N_("RPC: Procedure unavailable") |
| "\0" |
| #define RPC_CANTDECODEARGS_IDX (RPC_PROCUNAVAIL_IDX \ |
| + sizeof "RPC: Procedure unavailable") |
| N_("RPC: Server can't decode arguments") |
| "\0" |
| #define RPC_SYSTEMERROR_IDX (RPC_CANTDECODEARGS_IDX \ |
| + sizeof "RPC: Server can't decode arguments") |
| N_("RPC: Remote system error") |
| "\0" |
| #define RPC_UNKNOWNHOST_IDX (RPC_SYSTEMERROR_IDX \ |
| + sizeof "RPC: Remote system error") |
| N_("RPC: Unknown host") |
| "\0" |
| #define RPC_UNKNOWNPROTO_IDX (RPC_UNKNOWNHOST_IDX \ |
| + sizeof "RPC: Unknown host") |
| N_("RPC: Unknown protocol") |
| "\0" |
| #define RPC_PMAPFAILURE_IDX (RPC_UNKNOWNPROTO_IDX \ |
| + sizeof "RPC: Unknown protocol") |
| N_("RPC: Port mapper failure") |
| "\0" |
| #define RPC_PROGNOTREGISTERED_IDX (RPC_PMAPFAILURE_IDX \ |
| + sizeof "RPC: Port mapper failure") |
| N_("RPC: Program not registered") |
| "\0" |
| #define RPC_FAILED_IDX (RPC_PROGNOTREGISTERED_IDX \ |
| + sizeof "RPC: Program not registered") |
| N_("RPC: Failed (unspecified error)") |
| }; |
| |
| static const struct rpc_errtab rpc_errlist[] = |
| { |
| { RPC_SUCCESS, RPC_SUCCESS_IDX }, |
| { RPC_CANTENCODEARGS, RPC_CANTENCODEARGS_IDX }, |
| { RPC_CANTDECODERES, RPC_CANTDECODERES_IDX }, |
| { RPC_CANTSEND, RPC_CANTSEND_IDX }, |
| { RPC_CANTRECV, RPC_CANTRECV_IDX }, |
| { RPC_TIMEDOUT, RPC_TIMEDOUT_IDX }, |
| { RPC_VERSMISMATCH, RPC_VERSMISMATCH_IDX }, |
| { RPC_AUTHERROR, RPC_AUTHERROR_IDX }, |
| { RPC_PROGUNAVAIL, RPC_PROGUNAVAIL_IDX }, |
| { RPC_PROGVERSMISMATCH, RPC_PROGVERSMISMATCH_IDX }, |
| { RPC_PROCUNAVAIL, RPC_PROCUNAVAIL_IDX }, |
| { RPC_CANTDECODEARGS, RPC_CANTDECODEARGS_IDX }, |
| { RPC_SYSTEMERROR, RPC_SYSTEMERROR_IDX }, |
| { RPC_UNKNOWNHOST, RPC_UNKNOWNHOST_IDX }, |
| { RPC_UNKNOWNPROTO, RPC_UNKNOWNPROTO_IDX }, |
| { RPC_PMAPFAILURE, RPC_PMAPFAILURE_IDX }, |
| { RPC_PROGNOTREGISTERED, RPC_PROGNOTREGISTERED_IDX }, |
| { RPC_FAILED, RPC_FAILED_IDX } |
| }; |
| |
| |
| /* |
| * This interface for use by clntrpc |
| */ |
| char * |
| clnt_sperrno (enum clnt_stat stat) |
| { |
| size_t i; |
| |
| for (i = 0; i < sizeof (rpc_errlist) / sizeof (struct rpc_errtab); i++) |
| { |
| if (rpc_errlist[i].status == stat) |
| { |
| return _(rpc_errstr + rpc_errlist[i].message_off); |
| } |
| } |
| return _("RPC: (unknown error code)"); |
| } |
| libc_hidden_def (clnt_sperrno) |
| |
| void |
| clnt_perrno (enum clnt_stat num) |
| { |
| (void) __fxprintf (NULL, "%s", clnt_sperrno (num)); |
| } |
| #ifdef EXPORT_RPC_SYMBOLS |
| libc_hidden_def (clnt_perrno) |
| #else |
| libc_hidden_nolink_sunrpc (clnt_perrno, GLIBC_2_0) |
| #endif |
| |
| char * |
| clnt_spcreateerror (const char *msg) |
| { |
| struct rpc_createerr *ce = &get_rpc_createerr (); |
| |
| char chrbuf[1024]; |
| const char *connector = ""; |
| const char *errstr = ""; |
| switch (ce->cf_stat) |
| { |
| case RPC_PMAPFAILURE: |
| connector = " - "; |
| errstr = clnt_sperrno (ce->cf_error.re_status); |
| break; |
| |
| case RPC_SYSTEMERROR: |
| connector = " - "; |
| errstr = __strerror_r (ce->cf_error.re_errno, chrbuf, sizeof chrbuf); |
| break; |
| |
| default: |
| break; |
| } |
| |
| char *str; |
| if (__asprintf (&str, "%s: %s%s%s\n", |
| msg, clnt_sperrno (ce->cf_stat), connector, errstr) < 0) |
| return NULL; |
| |
| char *oldbuf = buf; |
| buf = str; |
| free (oldbuf); |
| |
| return str; |
| } |
| libc_hidden_nolink_sunrpc (clnt_spcreateerror, GLIBC_2_0) |
| |
| void |
| clnt_pcreateerror (const char *msg) |
| { |
| (void) __fxprintf (NULL, "%s", clnt_spcreateerror (msg)); |
| } |
| #ifdef EXPORT_RPC_SYMBOLS |
| libc_hidden_def (clnt_pcreateerror) |
| #else |
| libc_hidden_nolink_sunrpc (clnt_pcreateerror, GLIBC_2_0) |
| #endif |
| |
| struct auth_errtab |
| { |
| enum auth_stat status; |
| unsigned int message_off; |
| }; |
| |
| static const char auth_errstr[] = |
| { |
| #define AUTH_OK_IDX 0 |
| N_("Authentication OK") |
| "\0" |
| #define AUTH_BADCRED_IDX (AUTH_OK_IDX + sizeof "Authentication OK") |
| N_("Invalid client credential") |
| "\0" |
| #define AUTH_REJECTEDCRED_IDX (AUTH_BADCRED_IDX \ |
| + sizeof "Invalid client credential") |
| N_("Server rejected credential") |
| "\0" |
| #define AUTH_BADVERF_IDX (AUTH_REJECTEDCRED_IDX \ |
| + sizeof "Server rejected credential") |
| N_("Invalid client verifier") |
| "\0" |
| #define AUTH_REJECTEDVERF_IDX (AUTH_BADVERF_IDX \ |
| + sizeof "Invalid client verifier") |
| N_("Server rejected verifier") |
| "\0" |
| #define AUTH_TOOWEAK_IDX (AUTH_REJECTEDVERF_IDX \ |
| + sizeof "Server rejected verifier") |
| N_("Client credential too weak") |
| "\0" |
| #define AUTH_INVALIDRESP_IDX (AUTH_TOOWEAK_IDX \ |
| + sizeof "Client credential too weak") |
| N_("Invalid server verifier") |
| "\0" |
| #define AUTH_FAILED_IDX (AUTH_INVALIDRESP_IDX \ |
| + sizeof "Invalid server verifier") |
| N_("Failed (unspecified error)") |
| }; |
| |
| static const struct auth_errtab auth_errlist[] = |
| { |
| { AUTH_OK, AUTH_OK_IDX }, |
| { AUTH_BADCRED, AUTH_BADCRED_IDX }, |
| { AUTH_REJECTEDCRED, AUTH_REJECTEDCRED_IDX }, |
| { AUTH_BADVERF, AUTH_BADVERF_IDX }, |
| { AUTH_REJECTEDVERF, AUTH_REJECTEDVERF_IDX }, |
| { AUTH_TOOWEAK, AUTH_TOOWEAK_IDX }, |
| { AUTH_INVALIDRESP, AUTH_INVALIDRESP_IDX }, |
| { AUTH_FAILED, AUTH_FAILED_IDX } |
| }; |
| |
| static char * |
| internal_function |
| auth_errmsg (enum auth_stat stat) |
| { |
| size_t i; |
| |
| for (i = 0; i < sizeof (auth_errlist) / sizeof (struct auth_errtab); i++) |
| { |
| if (auth_errlist[i].status == stat) |
| { |
| return _(auth_errstr + auth_errlist[i].message_off); |
| } |
| } |
| return NULL; |
| } |
| |
| |
| libc_freeres_fn (free_mem) |
| { |
| /* Not libc_freeres_ptr, since buf is a macro. */ |
| free (buf); |
| } |