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-rw-r--r--fs/afs/misc.c183
1 files changed, 158 insertions, 25 deletions
diff --git a/fs/afs/misc.c b/fs/afs/misc.c
index 0dd4dafee10b..c8a7f266080d 100644
--- a/fs/afs/misc.c
+++ b/fs/afs/misc.c
@@ -1,20 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* miscellaneous bits
*
* Copyright (C) 2002, 2007 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/errno.h>
-#include <rxrpc/packet.h>
+#include <crypto/krb5.h>
#include "internal.h"
#include "afs_fs.h"
+#include "protocol_uae.h"
/*
* convert an AFS abort code to a Linux error number
@@ -22,9 +19,12 @@
int afs_abort_to_error(u32 abort_code)
{
switch (abort_code) {
+ /* Low errno codes inserted into abort namespace */
case 13: return -EACCES;
case 27: return -EFBIG;
case 30: return -EROFS;
+
+ /* VICE "special error" codes; 101 - 111 */
case VSALVAGE: return -EIO;
case VNOVNODE: return -ENOENT;
case VNOVOL: return -ENOMEDIUM;
@@ -36,26 +36,60 @@ int afs_abort_to_error(u32 abort_code)
case VOVERQUOTA: return -EDQUOT;
case VBUSY: return -EBUSY;
case VMOVED: return -ENXIO;
- case 0x2f6df0a: return -EWOULDBLOCK;
- case 0x2f6df0c: return -EACCES;
- case 0x2f6df0f: return -EBUSY;
- case 0x2f6df10: return -EEXIST;
- case 0x2f6df11: return -EXDEV;
- case 0x2f6df13: return -ENOTDIR;
- case 0x2f6df14: return -EISDIR;
- case 0x2f6df15: return -EINVAL;
- case 0x2f6df1a: return -EFBIG;
- case 0x2f6df1b: return -ENOSPC;
- case 0x2f6df1d: return -EROFS;
- case 0x2f6df1e: return -EMLINK;
- case 0x2f6df20: return -EDOM;
- case 0x2f6df21: return -ERANGE;
- case 0x2f6df22: return -EDEADLK;
- case 0x2f6df23: return -ENAMETOOLONG;
- case 0x2f6df24: return -ENOLCK;
- case 0x2f6df26: return -ENOTEMPTY;
- case 0x2f6df78: return -EDQUOT;
+ /* Volume Location server errors */
+ case AFSVL_IDEXIST: return -EEXIST;
+ case AFSVL_IO: return -EREMOTEIO;
+ case AFSVL_NAMEEXIST: return -EEXIST;
+ case AFSVL_CREATEFAIL: return -EREMOTEIO;
+ case AFSVL_NOENT: return -ENOMEDIUM;
+ case AFSVL_EMPTY: return -ENOMEDIUM;
+ case AFSVL_ENTDELETED: return -ENOMEDIUM;
+ case AFSVL_BADNAME: return -EINVAL;
+ case AFSVL_BADINDEX: return -EINVAL;
+ case AFSVL_BADVOLTYPE: return -EINVAL;
+ case AFSVL_BADSERVER: return -EINVAL;
+ case AFSVL_BADPARTITION: return -EINVAL;
+ case AFSVL_REPSFULL: return -EFBIG;
+ case AFSVL_NOREPSERVER: return -ENOENT;
+ case AFSVL_DUPREPSERVER: return -EEXIST;
+ case AFSVL_RWNOTFOUND: return -ENOENT;
+ case AFSVL_BADREFCOUNT: return -EINVAL;
+ case AFSVL_SIZEEXCEEDED: return -EINVAL;
+ case AFSVL_BADENTRY: return -EINVAL;
+ case AFSVL_BADVOLIDBUMP: return -EINVAL;
+ case AFSVL_IDALREADYHASHED: return -EINVAL;
+ case AFSVL_ENTRYLOCKED: return -EBUSY;
+ case AFSVL_BADVOLOPER: return -EBADRQC;
+ case AFSVL_BADRELLOCKTYPE: return -EINVAL;
+ case AFSVL_RERELEASE: return -EREMOTEIO;
+ case AFSVL_BADSERVERFLAG: return -EINVAL;
+ case AFSVL_PERM: return -EACCES;
+ case AFSVL_NOMEM: return -EREMOTEIO;
+
+ /* Unified AFS error table */
+ case UAEPERM: return -EPERM;
+ case UAENOENT: return -ENOENT;
+ case UAEAGAIN: return -EAGAIN;
+ case UAEACCES: return -EACCES;
+ case UAEBUSY: return -EBUSY;
+ case UAEEXIST: return -EEXIST;
+ case UAENOTDIR: return -ENOTDIR;
+ case UAEISDIR: return -EISDIR;
+ case UAEFBIG: return -EFBIG;
+ case UAENOSPC: return -ENOSPC;
+ case UAEROFS: return -EROFS;
+ case UAEMLINK: return -EMLINK;
+ case UAEDEADLK: return -EDEADLK;
+ case UAENAMETOOLONG: return -ENAMETOOLONG;
+ case UAENOLCK: return -ENOLCK;
+ case UAENOTEMPTY: return -ENOTEMPTY;
+ case UAELOOP: return -ELOOP;
+ case UAEOVERFLOW: return -EOVERFLOW;
+ case UAENOMEDIUM: return -ENOMEDIUM;
+ case UAEDQUOT: return -EDQUOT;
+
+ /* RXKAD abort codes; from include/rxrpc/packet.h. ET "RXK" == 0x1260B00 */
case RXKADINCONSISTENCY: return -EPROTO;
case RXKADPACKETSHORT: return -EPROTO;
case RXKADLEVELFAIL: return -EKEYREJECTED;
@@ -70,6 +104,105 @@ int afs_abort_to_error(u32 abort_code)
case RXKADDATALEN: return -EKEYREJECTED;
case RXKADILLEGALLEVEL: return -EKEYREJECTED;
+ case RXGK_INCONSISTENCY: return -EPROTO;
+ case RXGK_PACKETSHORT: return -EPROTO;
+ case RXGK_BADCHALLENGE: return -EPROTO;
+ case RXGK_SEALEDINCON: return -EKEYREJECTED;
+ case RXGK_NOTAUTH: return -EKEYREJECTED;
+ case RXGK_EXPIRED: return -EKEYEXPIRED;
+ case RXGK_BADLEVEL: return -EKEYREJECTED;
+ case RXGK_BADKEYNO: return -EKEYREJECTED;
+ case RXGK_NOTRXGK: return -EKEYREJECTED;
+ case RXGK_UNSUPPORTED: return -EKEYREJECTED;
+ case RXGK_GSSERROR: return -EKEYREJECTED;
+#ifdef RXGK_BADETYPE
+ case RXGK_BADETYPE: return -ENOPKG;
+#endif
+#ifdef RXGK_BADTOKEN
+ case RXGK_BADTOKEN: return -EKEYREJECTED;
+#endif
+#ifdef RXGK_BADETYPE
+ case RXGK_DATALEN: return -EPROTO;
+#endif
+#ifdef RXGK_BADQOP
+ case RXGK_BADQOP: return -EKEYREJECTED;
+#endif
+
+ case KRB5_PROG_KEYTYPE_NOSUPP: return -ENOPKG;
+
+ case RXGEN_OPCODE: return -ENOTSUPP;
+ case RX_INVALID_OPERATION: return -ENOTSUPP;
+
default: return -EREMOTEIO;
}
}
+
+/*
+ * Select the error to report from a set of errors.
+ */
+void afs_prioritise_error(struct afs_error *e, int error, u32 abort_code)
+{
+ switch (error) {
+ case 0:
+ e->aborted = false;
+ e->error = 0;
+ return;
+ default:
+ if (e->error == -ETIMEDOUT ||
+ e->error == -ETIME)
+ return;
+ fallthrough;
+ case -ETIMEDOUT:
+ case -ETIME:
+ if (e->error == -ENOMEM ||
+ e->error == -ENONET)
+ return;
+ fallthrough;
+ case -ENOMEM:
+ case -ENONET:
+ if (e->error == -ERFKILL)
+ return;
+ fallthrough;
+ case -ERFKILL:
+ if (e->error == -EADDRNOTAVAIL)
+ return;
+ fallthrough;
+ case -EADDRNOTAVAIL:
+ if (e->error == -ENETUNREACH)
+ return;
+ fallthrough;
+ case -ENETUNREACH:
+ if (e->error == -EHOSTUNREACH)
+ return;
+ fallthrough;
+ case -EHOSTUNREACH:
+ if (e->error == -EHOSTDOWN)
+ return;
+ fallthrough;
+ case -EHOSTDOWN:
+ if (e->error == -ECONNREFUSED)
+ return;
+ fallthrough;
+ case -ECONNREFUSED:
+ if (e->error == -ECONNRESET)
+ return;
+ fallthrough;
+ case -ECONNRESET: /* Responded, but call expired. */
+ if (e->responded)
+ return;
+ e->error = error;
+ e->aborted = false;
+ return;
+
+ case -ECONNABORTED:
+ e->error = afs_abort_to_error(abort_code);
+ e->aborted = true;
+ e->responded = true;
+ return;
+ case -ENETRESET: /* Responded, but we seem to have changed address */
+ e->aborted = false;
+ e->responded = true;
+ e->error = error;
+ return;
+ }
+}
generated by cgit (git 2.34.1) at 2025-12-21 21:40:36 +0000