/* * Sun RPC is a product of Sun Microsystems, Inc. and is provided for * unrestricted use provided that this legend is included on all tape * media and as a part of the software program in whole or part. Users * may copy or modify Sun RPC without charge, but are not authorized * to license or distribute it to anyone else except as part of a product or * program developed by the user. * * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. * * Sun RPC is provided with no support and without any obligation on the * part of Sun Microsystems, Inc. to assist in its use, correction, * modification or enhancement. * * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC * OR ANY PART THEREOF. * * In no event will Sun Microsystems, Inc. be liable for any lost revenue * or profits or other special, indirect and consequential damages, even if * Sun has been advised of the possibility of such damages. * * Sun Microsystems, Inc. * 2550 Garcia Avenue * Mountain View, California 94043 */ #if defined(LIBC_SCCS) && !defined(lint) static char *rcsid = "$OpenBSD: clnt_perror.c,v 1.10 1998/12/30 22:26:18 deraadt Exp $"; #endif /* LIBC_SCCS and not lint */ /* * clnt_perror.c * * Copyright (C) 1984, Sun Microsystems, Inc. * */ #include #include #include #include #include #include #include static char *auth_errmsg(); #define CLNT_PERROR_BUFLEN 256 static char *buf; static char * _buf() { if (buf == 0) buf = (char *)malloc(CLNT_PERROR_BUFLEN); return (buf); } /* * Print reply error info */ char * clnt_sperror(rpch, s) CLIENT *rpch; char *s; { struct rpc_err e; char *err; char *str = _buf(); char *strstart = str; int ret; if (str == 0) return (0); CLNT_GETERR(rpch, &e); ret = snprintf(str, CLNT_PERROR_BUFLEN, "%s: %s", s, clnt_sperrno(e.re_status)); str += ret; if (str > strstart + CLNT_PERROR_BUFLEN) goto truncated; 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: ret = snprintf(str, CLNT_PERROR_BUFLEN - (str - strstart), "; errno = %s\n", strerror(e.re_errno)); break; case RPC_VERSMISMATCH: ret = snprintf(str, CLNT_PERROR_BUFLEN - (str - strstart), "; low version = %u, high version = %u\n", e.re_vers.low, e.re_vers.high); break; case RPC_AUTHERROR: err = auth_errmsg(e.re_why); ret = snprintf(str, CLNT_PERROR_BUFLEN - (str - strstart), "; why = "); str += ret; if (str > strstart + CLNT_PERROR_BUFLEN) goto truncated; if (err != NULL) { ret = snprintf(str, CLNT_PERROR_BUFLEN - (str - strstart), "%s\n", err); } else { ret = snprintf(str, CLNT_PERROR_BUFLEN - (str - strstart), "(unknown authentication error - %d)\n", (int) e.re_why); } break; case RPC_PROGVERSMISMATCH: ret = snprintf(str, CLNT_PERROR_BUFLEN - (str - strstart), "; low version = %u, high version = %u\n", e.re_vers.low, e.re_vers.high); break; default: /* unknown */ ret = snprintf(str, CLNT_PERROR_BUFLEN - (str - strstart), "; s1 = %u, s2 = %u\n", e.re_lb.s1, e.re_lb.s2); break; } strstart[CLNT_PERROR_BUFLEN-2] = '\0'; strcat(strstart, "\n"); return (strstart); truncated: snprintf(strstart + CLNT_PERROR_BUFLEN - 5, 5, "...\n"); return (strstart); } void clnt_perror(rpch, s) CLIENT *rpch; char *s; { (void) fprintf(stderr, "%s\n", clnt_sperror(rpch, s)); } static const char *const rpc_errlist[] = { "RPC: Success", /* 0 - RPC_SUCCESS */ "RPC: Can't encode arguments", /* 1 - RPC_CANTENCODEARGS */ "RPC: Can't decode result", /* 2 - RPC_CANTDECODERES */ "RPC: Unable to send", /* 3 - RPC_CANTSEND */ "RPC: Unable to receive", /* 4 - RPC_CANTRECV */ "RPC: Timed out", /* 5 - RPC_TIMEDOUT */ "RPC: Incompatible versions of RPC", /* 6 - RPC_VERSMISMATCH */ "RPC: Authentication error", /* 7 - RPC_AUTHERROR */ "RPC: Program unavailable", /* 8 - RPC_PROGUNAVAIL */ "RPC: Program/version mismatch", /* 9 - RPC_PROGVERSMISMATCH */ "RPC: Procedure unavailable", /* 10 - RPC_PROCUNAVAIL */ "RPC: Server can't decode arguments", /* 11 - RPC_CANTDECODEARGS */ "RPC: Remote system error", /* 12 - RPC_SYSTEMERROR */ "RPC: Unknown host", /* 13 - RPC_UNKNOWNHOST */ "RPC: Port mapper failure", /* 14 - RPC_PMAPFAILURE */ "RPC: Program not registered", /* 15 - RPC_PROGNOTREGISTERED */ "RPC: Failed (unspecified error)", /* 16 - RPC_FAILED */ "RPC: Unknown protocol" /* 17 - RPC_UNKNOWNPROTO */ }; /* * This interface for use by clntrpc */ char * clnt_sperrno(stat) enum clnt_stat stat; { unsigned int errnum = stat; if (errnum < (sizeof(rpc_errlist)/sizeof(rpc_errlist[0]))) return (char *)rpc_errlist[errnum]; return ("RPC: (unknown error code)"); } void clnt_perrno(num) enum clnt_stat num; { (void) fprintf(stderr, "%s\n", clnt_sperrno(num)); } char * clnt_spcreateerror(s) char *s; { char *str = _buf(); if (str == 0) return (0); switch (rpc_createerr.cf_stat) { case RPC_PMAPFAILURE: (void) snprintf(str, CLNT_PERROR_BUFLEN, "%s: %s - %s\n", s, clnt_sperrno(rpc_createerr.cf_stat), clnt_sperrno(rpc_createerr.cf_error.re_status)); break; case RPC_SYSTEMERROR: (void) snprintf(str, CLNT_PERROR_BUFLEN, "%s: %s - %s\n", s, clnt_sperrno(rpc_createerr.cf_stat), strerror(rpc_createerr.cf_error.re_errno)); break; default: (void) snprintf(str, CLNT_PERROR_BUFLEN, "%s: %s\n", s, clnt_sperrno(rpc_createerr.cf_stat)); break; } str[CLNT_PERROR_BUFLEN-2] = '\n'; str[CLNT_PERROR_BUFLEN-1] = '\0'; return (str); } void clnt_pcreateerror(s) char *s; { (void) fprintf(stderr, "%s", clnt_spcreateerror(s)); } static const char *const auth_errlist[] = { "Authentication OK", /* 0 - AUTH_OK */ "Invalid client credential", /* 1 - AUTH_BADCRED */ "Server rejected credential", /* 2 - AUTH_REJECTEDCRED */ "Invalid client verifier", /* 3 - AUTH_BADVERF */ "Server rejected verifier", /* 4 - AUTH_REJECTEDVERF */ "Client credential too weak", /* 5 - AUTH_TOOWEAK */ "Invalid server verifier", /* 6 - AUTH_INVALIDRESP */ "Failed (unspecified error)" /* 7 - AUTH_FAILED */ }; static char * auth_errmsg(stat) enum auth_stat stat; { unsigned int errnum = stat; if (errnum < (sizeof(auth_errlist)/sizeof(auth_errlist[0]))) return (char *)auth_errlist[errnum]; return (NULL); }