diff options
| author | Cy Schubert <cy@FreeBSD.org> | 2017-07-07 17:03:42 +0000 |
|---|---|---|
| committer | Cy Schubert <cy@FreeBSD.org> | 2017-07-07 17:03:42 +0000 |
| commit | 33a9b234e7087f573ef08cd7318c6497ba08b439 (patch) | |
| tree | d0ea40ad3bf5463a3c55795977c71bcb7d781b4b /src/lib/rpc/clnt_perror.c | |
Diffstat (limited to 'src/lib/rpc/clnt_perror.c')
| -rw-r--r-- | src/lib/rpc/clnt_perror.c | 350 |
1 files changed, 350 insertions, 0 deletions
diff --git a/src/lib/rpc/clnt_perror.c b/src/lib/rpc/clnt_perror.c new file mode 100644 index 0000000000000..fcc3657464107 --- /dev/null +++ b/src/lib/rpc/clnt_perror.c @@ -0,0 +1,350 @@ +/* @(#)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 "autoconf.h" +#include <stdio.h> +#include <string.h> +#include <errno.h> + +#include <gssrpc/types.h> +#include <gssrpc/auth.h> +#include <gssrpc/clnt.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); +} |
