/* @(#)clnt_perror.c 2.1 88/07/29 4.0 RPCSRC */ /* * Copyright (c) 2010, Oracle America, Inc. * * All rights reserved. * * 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. */ #if !defined(lint) && defined(SCCSIDS) static char sccsid[] = "@(#)clnt_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro"; #endif /* * clnt_perror.c */ #include #include #include #include #include #include #include "autoconf.h" #ifndef HAVE_STRERROR #ifdef NEED_SYS_ERRLIST extern char *sys_errlist[]; #endif extern int sys_nerr; #undef strerror #define strerror(N) (((N) > 0 && (N) < sys_nerr) ? sys_errlist[N] : (char *)0) #endif /* HAVE_STRERROR */ static char *auth_errmsg(enum auth_stat); static char *buf; static char * get_buf(void) { if (buf == NULL) buf = (char *)malloc(BUFSIZ); return (buf); } /* * Print reply error info */ char * clnt_sperror(CLIENT *rpch, char *s) { struct rpc_err e; void clnt_perrno(); char *err; char *bufstart = get_buf(); char *str = bufstart; char *strstart = str; char *strend; if (str == 0) return (0); strend = str + BUFSIZ; CLNT_GETERR(rpch, &e); strncpy (str, s, BUFSIZ - 1); str[BUFSIZ - 1] = 0; strncat (str, ": ", BUFSIZ - 1 - strlen (bufstart)); str += strlen(str); strncat (str, clnt_sperrno(e.re_status), BUFSIZ - 1 - strlen (bufstart)); strstart[BUFSIZ - 1] = '\0'; 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: /* 10 for the string */ if (str - bufstart + 10 + strlen(strerror(e.re_errno)) < BUFSIZ) (void) snprintf(str, strend-str, "; errno = %s", strerror(e.re_errno)); str += strlen(str); break; case RPC_VERSMISMATCH: /* 33 for the string, 22 for the numbers */ if(str - bufstart + 33 + 22 < BUFSIZ) (void) snprintf(str, strend-str, "; low version = %lu, high version = %lu", (u_long) e.re_vers.low, (u_long) e.re_vers.high); str += strlen(str); break; case RPC_AUTHERROR: err = auth_errmsg(e.re_why); /* 8 for the string */ if(str - bufstart + 8 < BUFSIZ) (void) snprintf(str, strend-str, "; why = "); str += strlen(str); if (err != NULL) { if(str - bufstart + strlen(err) < BUFSIZ) (void) snprintf(str, strend-str, "%s",err); } else { /* 33 for the string, 11 for the number */ if(str - bufstart + 33 + 11 < BUFSIZ) (void) snprintf(str, strend-str, "(unknown authentication error - %d)", (int) e.re_why); } str += strlen(str); break; case RPC_PROGVERSMISMATCH: /* 33 for the string, 22 for the numbers */ if(str - bufstart + 33 + 22 < BUFSIZ) (void) snprintf(str, strend-str, "; low version = %lu, high version = %lu", (u_long) e.re_vers.low, (u_long) e.re_vers.high); str += strlen(str); break; default: /* unknown */ /* 14 for the string, 22 for the numbers */ if(str - bufstart + 14 + 22 < BUFSIZ) (void) snprintf(str, strend-str, "; s1 = %lu, s2 = %lu", (u_long) e.re_lb.s1, (u_long) e.re_lb.s2); str += strlen(str); break; } if (str - bufstart + 1 < BUFSIZ) (void) snprintf(str, strend-str, "\n"); return(strstart) ; } void clnt_perror(CLIENT *rpch, char *s) { (void) fprintf(stderr,"%s",clnt_sperror(rpch,s)); } struct rpc_errtab { enum clnt_stat status; char *message; }; 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)"} }; /* * This interface for use by clntrpc */ char * clnt_sperrno(enum clnt_stat stat) { unsigned 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); } } return ("RPC: (unknown error code)"); } void clnt_perrno(enum clnt_stat num) { (void) fprintf(stderr,"%s",clnt_sperrno(num)); } char * clnt_spcreateerror(char *s) { char *str = get_buf(); char *strend; if (str == 0) return(0); strend = str+BUFSIZ; (void) snprintf(str, strend-str, "%s: ", s); str[BUFSIZ - 1] = '\0'; (void) strncat(str, clnt_sperrno(rpc_createerr.cf_stat), BUFSIZ - 1); switch (rpc_createerr.cf_stat) { case RPC_PMAPFAILURE: (void) strncat(str, " - ", BUFSIZ - 1 - strlen(str)); (void) strncat(str, clnt_sperrno(rpc_createerr.cf_error.re_status), BUFSIZ - 1 - strlen(str)); break; case RPC_SYSTEMERROR: (void) strncat(str, " - ", BUFSIZ - 1 - strlen(str)); { const char *m = strerror(rpc_createerr.cf_error.re_errno); if (m) (void) strncat(str, m, BUFSIZ - 1 - strlen(str)); else (void) snprintf(&str[strlen(str)], BUFSIZ - strlen(str), "Error %d", rpc_createerr.cf_error.re_errno); } break; case RPC_CANTSEND: case RPC_CANTDECODERES: case RPC_CANTENCODEARGS: case RPC_SUCCESS: case RPC_UNKNOWNPROTO: case RPC_PROGNOTREGISTERED: case RPC_FAILED: case RPC_UNKNOWNHOST: case RPC_CANTDECODEARGS: case RPC_PROCUNAVAIL: case RPC_PROGVERSMISMATCH: case RPC_PROGUNAVAIL: case RPC_AUTHERROR: case RPC_VERSMISMATCH: case RPC_TIMEDOUT: case RPC_CANTRECV: default: break; } (void) strncat(str, "\n", BUFSIZ - 1 - strlen(str)); return (str); } void clnt_pcreateerror(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(enum auth_stat stat) { unsigned 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); }