2 * error.c -- Common error handling functions
4 * Copyright (C) 2007 Oracle. All rights reserved.
5 * Copyright (C) 2007 Chuck Lever <chuck.lever@oracle.com>
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public
18 * License along with this program; if not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 021110-1307, USA.
23 * + Proper support for internationalization
28 #include <sys/types.h>
35 #include <rpc/pmap_prot.h>
36 #include <rpc/pmap_clnt.h>
43 #ifdef HAVE_RPCSVC_NFS_PROT_H
44 #include <rpcsvc/nfs_prot.h>
46 #include <linux/nfs.h>
47 #define nfsstat nfs_stat
50 extern char *progname;
52 static char errbuf[BUFSIZ];
53 static char *erreob = &errbuf[BUFSIZ];
55 /* Convert RPC errors into strings */
56 static int rpc_strerror(int spos)
58 int cf_stat = rpc_createerr.cf_stat;
59 int pos = 0, cf_errno = rpc_createerr.cf_error.re_errno;
60 char *ptr, *estr = clnt_sperrno(cf_stat);
64 if ((ptr = index(estr, ':')))
68 if (cf_stat == RPC_SYSTEMERROR)
69 pos = snprintf(tmp, (erreob - tmp),
70 "System Error: %s", strerror(cf_errno));
72 pos = snprintf(tmp, (erreob - tmp), "RPC Error:%s", estr);
77 void mount_errors(char *server, int will_retry, int bg)
81 static int onlyonce = 0;
85 pos = snprintf(tmp, (erreob - tmp),
86 "mount to NFS server '%s' failed: ", server);
88 pos = snprintf(tmp, (erreob - tmp),
89 "%s: mount to NFS server '%s' failed: ", server);
92 if (rpc_createerr.cf_stat == RPC_TIMEDOUT) {
93 pos = snprintf(tmp, (erreob - tmp), "timed out %s",
94 will_retry ? "(retrying)" : "(giving up)");
96 pos += rpc_strerror(pos);
99 pos = snprintf(tmp, (erreob - tmp), " %s",
100 will_retry ? "(retrying)" : "(giving up)");
105 openlog("mount", LOG_CONS|LOG_PID, LOG_AUTH);
106 syslog(LOG_ERR, "%s.", errbuf);
108 fprintf(stderr, "%s.\n", errbuf);
111 void mount_error(const char *spec, const char *mount_point, int error)
115 nfs_error(_("%s: mount point %s is not a directory"),
116 progname, mount_point);
119 nfs_error(_("%s: %s is already mounted or busy"),
120 progname, mount_point);
124 nfs_error(_("%s: mounting %s failed, "
125 "reason given by server:\n %s"),
126 progname, spec, strerror(error));
128 nfs_error(_("%s: mount point %s does not exist"),
129 progname, mount_point);
132 nfs_error(_("%s: %s"),
133 progname, strerror(error));
138 * Report a failed umount
140 void umount_error(int err, const char *dev)
144 nfs_error(_("%s: %s: invalid block device"),
148 nfs_error(_("%s: %s: not mounted"),
152 nfs_error(_("%s: %s: can't write superblock"),
156 nfs_error(_("%s: %s: device is busy"),
160 nfs_error(_("%s: %s: not found"),
164 nfs_error(_("%s: %s: must be superuser to umount"),
168 nfs_error(_("%s: %s: block devices not permitted on fs"),
172 nfs_error(_("%s: %s: %s"),
173 progname, dev, strerror(err));
179 * We need to translate between nfs status return values and
180 * the local errno values which may not be the same.
182 * Andreas Schwab <schwab@LS5.informatik.uni-dortmund.de>: change errno:
183 * "after #include <errno.h> the symbol errno is reserved for any use,
184 * it cannot even be used as a struct tag or field name".
188 #define EDQUOT ENOSPC
196 { NFSERR_PERM, EPERM },
197 { NFSERR_NOENT, ENOENT },
199 { NFSERR_NXIO, ENXIO },
200 { NFSERR_ACCES, EACCES },
201 { NFSERR_EXIST, EEXIST },
202 { NFSERR_NODEV, ENODEV },
203 { NFSERR_NOTDIR, ENOTDIR },
204 { NFSERR_ISDIR, EISDIR },
206 { NFSERR_INVAL, EINVAL }, /* that Sun forgot */
208 { NFSERR_FBIG, EFBIG },
209 { NFSERR_NOSPC, ENOSPC },
210 { NFSERR_ROFS, EROFS },
211 { NFSERR_NAMETOOLONG, ENAMETOOLONG },
212 { NFSERR_NOTEMPTY, ENOTEMPTY },
213 { NFSERR_DQUOT, EDQUOT },
214 { NFSERR_STALE, ESTALE },
216 { NFSERR_WFLUSH, EWFLUSH },
218 /* Throw in some NFSv3 values for even more fun (HP returns these) */
224 char *nfs_strerror(int stat)
227 static char buf[256];
229 for (i = 0; nfs_errtbl[i].stat != -1; i++) {
230 if (nfs_errtbl[i].stat == stat)
231 return strerror(nfs_errtbl[i].errnum);
233 sprintf(buf, _("unknown nfs status return value: %d"), stat);