clnt_perror.c revision 1.1 
1/*
2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part.  Users
5 * may copy or modify Sun RPC without charge, but are not authorized
6 * to license or distribute it to anyone else except as part of a product or
7 * program developed by the user.
8 *
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
12 *
13 * Sun RPC is provided with no support and without any obligation on the
14 * part of Sun Microsystems, Inc. to assist in its use, correction,
15 * modification or enhancement.
16 *
17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19 * OR ANY PART THEREOF.
20 *
21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
22 * or profits or other special, indirect and consequential damages, even if
23 * Sun has been advised of the possibility of such damages.
24 *
25 * Sun Microsystems, Inc.
26 * 2550 Garcia Avenue
27 * Mountain View, California  94043
28 */
29
30#if defined(LIBC_SCCS) && !defined(lint)
31/*static char *sccsid = "from: @(#)clnt_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro";*/
32/*static char *sccsid = "from: @(#)clnt_perror.c	2.1 88/07/29 4.0 RPCSRC";*/
33static char *rcsid = "$Id: clnt_perror.c,v 1.1 1993/10/07 07:29:41 cgd Exp $";
34#endif
35
36/*
37 * clnt_perror.c
38 *
39 * Copyright (C) 1984, Sun Microsystems, Inc.
40 *
41 */
42#include <stdio.h>
43#include <string.h>
44#include <rpc/rpc.h>
45#include <rpc/types.h>
46#include <rpc/auth.h>
47#include <rpc/clnt.h>
48
49static char *auth_errmsg();
50
51static char *buf;
52
53static char *
54_buf()
55{
56
57	if (buf == 0)
58		buf = (char *)malloc(256);
59	return (buf);
60}
61
62/*
63 * Print reply error info
64 */
65char *
66clnt_sperror(rpch, s)
67	CLIENT *rpch;
68	char *s;
69{
70	struct rpc_err e;
71	void clnt_perrno();
72	char *err;
73	char *str = _buf();
74	char *strstart = str;
75
76	if (str == 0)
77		return (0);
78	CLNT_GETERR(rpch, &e);
79
80	(void) sprintf(str, "%s: ", s);
81	str += strlen(str);
82
83	(void) strcpy(str, clnt_sperrno(e.re_status));
84	str += strlen(str);
85
86	switch (e.re_status) {
87	case RPC_SUCCESS:
88	case RPC_CANTENCODEARGS:
89	case RPC_CANTDECODERES:
90	case RPC_TIMEDOUT:
91	case RPC_PROGUNAVAIL:
92	case RPC_PROCUNAVAIL:
93	case RPC_CANTDECODEARGS:
94	case RPC_SYSTEMERROR:
95	case RPC_UNKNOWNHOST:
96	case RPC_UNKNOWNPROTO:
97	case RPC_PMAPFAILURE:
98	case RPC_PROGNOTREGISTERED:
99	case RPC_FAILED:
100		break;
101
102	case RPC_CANTSEND:
103	case RPC_CANTRECV:
104		(void) sprintf(str, "; errno = %s",
105		    strerror(e.re_errno));
106		str += strlen(str);
107		break;
108
109	case RPC_VERSMISMATCH:
110		(void) sprintf(str,
111			"; low version = %lu, high version = %lu",
112			e.re_vers.low, e.re_vers.high);
113		str += strlen(str);
114		break;
115
116	case RPC_AUTHERROR:
117		err = auth_errmsg(e.re_why);
118		(void) sprintf(str,"; why = ");
119		str += strlen(str);
120		if (err != NULL) {
121			(void) sprintf(str, "%s",err);
122		} else {
123			(void) sprintf(str,
124				"(unknown authentication error - %d)",
125				(int) e.re_why);
126		}
127		str += strlen(str);
128		break;
129
130	case RPC_PROGVERSMISMATCH:
131		(void) sprintf(str,
132			"; low version = %lu, high version = %lu",
133			e.re_vers.low, e.re_vers.high);
134		str += strlen(str);
135		break;
136
137	default:	/* unknown */
138		(void) sprintf(str,
139			"; s1 = %lu, s2 = %lu",
140			e.re_lb.s1, e.re_lb.s2);
141		str += strlen(str);
142		break;
143	}
144	(void) sprintf(str, "\n");
145	return(strstart) ;
146}
147
148void
149clnt_perror(rpch, s)
150	CLIENT *rpch;
151	char *s;
152{
153	(void) fprintf(stderr,"%s",clnt_sperror(rpch,s));
154}
155
156
157struct rpc_errtab {
158	enum clnt_stat status;
159	char *message;
160};
161
162static struct rpc_errtab  rpc_errlist[] = {
163	{ RPC_SUCCESS,
164		"RPC: Success" },
165	{ RPC_CANTENCODEARGS,
166		"RPC: Can't encode arguments" },
167	{ RPC_CANTDECODERES,
168		"RPC: Can't decode result" },
169	{ RPC_CANTSEND,
170		"RPC: Unable to send" },
171	{ RPC_CANTRECV,
172		"RPC: Unable to receive" },
173	{ RPC_TIMEDOUT,
174		"RPC: Timed out" },
175	{ RPC_VERSMISMATCH,
176		"RPC: Incompatible versions of RPC" },
177	{ RPC_AUTHERROR,
178		"RPC: Authentication error" },
179	{ RPC_PROGUNAVAIL,
180		"RPC: Program unavailable" },
181	{ RPC_PROGVERSMISMATCH,
182		"RPC: Program/version mismatch" },
183	{ RPC_PROCUNAVAIL,
184		"RPC: Procedure unavailable" },
185	{ RPC_CANTDECODEARGS,
186		"RPC: Server can't decode arguments" },
187	{ RPC_SYSTEMERROR,
188		"RPC: Remote system error" },
189	{ RPC_UNKNOWNHOST,
190		"RPC: Unknown host" },
191	{ RPC_UNKNOWNPROTO,
192		"RPC: Unknown protocol" },
193	{ RPC_PMAPFAILURE,
194		"RPC: Port mapper failure" },
195	{ RPC_PROGNOTREGISTERED,
196		"RPC: Program not registered"},
197	{ RPC_FAILED,
198		"RPC: Failed (unspecified error)"}
199};
200
201
202/*
203 * This interface for use by clntrpc
204 */
205char *
206clnt_sperrno(stat)
207	enum clnt_stat stat;
208{
209	int i;
210
211	for (i = 0; i < sizeof(rpc_errlist)/sizeof(struct rpc_errtab); i++) {
212		if (rpc_errlist[i].status == stat) {
213			return (rpc_errlist[i].message);
214		}
215	}
216	return ("RPC: (unknown error code)");
217}
218
219void
220clnt_perrno(num)
221	enum clnt_stat num;
222{
223	(void) fprintf(stderr,"%s",clnt_sperrno(num));
224}
225
226
227char *
228clnt_spcreateerror(s)
229	char *s;
230{
231	extern int sys_nerr;
232	char *str = _buf();
233
234	if (str == 0)
235		return(0);
236	(void) sprintf(str, "%s: ", s);
237	(void) strcat(str, clnt_sperrno(rpc_createerr.cf_stat));
238	switch (rpc_createerr.cf_stat) {
239	case RPC_PMAPFAILURE:
240		(void) strcat(str, " - ");
241		(void) strcat(str,
242		    clnt_sperrno(rpc_createerr.cf_error.re_status));
243		break;
244
245	case RPC_SYSTEMERROR:
246		(void) strcat(str, " - ");
247		if (rpc_createerr.cf_error.re_errno > 0
248		    && rpc_createerr.cf_error.re_errno < sys_nerr)
249			(void) strcat(str,
250			    strerror(rpc_createerr.cf_error.re_errno));
251		else
252			(void) sprintf(&str[strlen(str)], "Error %d",
253			    rpc_createerr.cf_error.re_errno);
254		break;
255	}
256	(void) strcat(str, "\n");
257	return (str);
258}
259
260void
261clnt_pcreateerror(s)
262	char *s;
263{
264	(void) fprintf(stderr,"%s",clnt_spcreateerror(s));
265}
266
267struct auth_errtab {
268	enum auth_stat status;
269	char *message;
270};
271
272static struct auth_errtab auth_errlist[] = {
273	{ AUTH_OK,
274		"Authentication OK" },
275	{ AUTH_BADCRED,
276		"Invalid client credential" },
277	{ AUTH_REJECTEDCRED,
278		"Server rejected credential" },
279	{ AUTH_BADVERF,
280		"Invalid client verifier" },
281	{ AUTH_REJECTEDVERF,
282		"Server rejected verifier" },
283	{ AUTH_TOOWEAK,
284		"Client credential too weak" },
285	{ AUTH_INVALIDRESP,
286		"Invalid server verifier" },
287	{ AUTH_FAILED,
288		"Failed (unspecified error)" },
289};
290
291static char *
292auth_errmsg(stat)
293	enum auth_stat stat;
294{
295	int i;
296
297	for (i = 0; i < sizeof(auth_errlist)/sizeof(struct auth_errtab); i++) {
298		if (auth_errlist[i].status == stat) {
299			return(auth_errlist[i].message);
300		}
301	}
302	return(NULL);
303}
304