// 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) */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/errno.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 */ 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; case VVOLEXISTS: return -EEXIST; case VNOSERVICE: return -EIO; case VOFFLINE: return -ENOENT; case VONLINE: return -EEXIST; case VDISKFULL: return -ENOSPC; case VOVERQUOTA: return -EDQUOT; case VBUSY: return -EBUSY; case VMOVED: return -ENXIO; /* 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; case RXKADTICKETLEN: return -EKEYREJECTED; case RXKADOUTOFSEQUENCE: return -EPROTO; case RXKADNOAUTH: return -EKEYREJECTED; case RXKADBADKEY: return -EKEYREJECTED; case RXKADBADTICKET: return -EKEYREJECTED; case RXKADUNKNOWNKEY: return -EKEYREJECTED; case RXKADEXPIRED: return -EKEYEXPIRED; case RXKADSEALEDINCON: return -EKEYREJECTED; 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; } }
