Lines Matching +full:tcon +full:- +full:channel
1 // SPDX-License-Identifier: LGPL-2.1
13 /* SMB2 PDU handling routines here - except for leftovers (eg session setup) */
73 int smb3_encryption_required(const struct cifs_tcon *tcon) in smb3_encryption_required() argument
75 if (!tcon || !tcon->ses) in smb3_encryption_required()
77 if ((tcon->ses->session_flags & SMB2_SESSION_FLAG_ENCRYPT_DATA) || in smb3_encryption_required()
78 (tcon->share_flags & SHI1005_FLAGS_ENCRYPT_DATA)) in smb3_encryption_required()
80 if (tcon->seal && in smb3_encryption_required()
81 (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION)) in smb3_encryption_required()
84 (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION)) in smb3_encryption_required()
91 const struct cifs_tcon *tcon, in smb2_hdr_assemble() argument
96 shdr->ProtocolId = SMB2_PROTO_NUMBER; in smb2_hdr_assemble()
97 shdr->StructureSize = cpu_to_le16(64); in smb2_hdr_assemble()
98 shdr->Command = smb2_cmd; in smb2_hdr_assemble()
102 if (server->dialect >= SMB30_PROT_ID) { in smb2_hdr_assemble()
105 * if primary channel is not set yet, use default in smb2_hdr_assemble()
106 * channel for chan sequence num in smb2_hdr_assemble()
109 smb3_hdr->ChannelSequence = in smb2_hdr_assemble()
110 cpu_to_le16(server->primary_server->channel_sequence_num); in smb2_hdr_assemble()
112 smb3_hdr->ChannelSequence = in smb2_hdr_assemble()
113 cpu_to_le16(server->channel_sequence_num); in smb2_hdr_assemble()
115 spin_lock(&server->req_lock); in smb2_hdr_assemble()
117 if (server->credits >= server->max_credits) in smb2_hdr_assemble()
118 shdr->CreditRequest = cpu_to_le16(0); in smb2_hdr_assemble()
120 shdr->CreditRequest = cpu_to_le16( in smb2_hdr_assemble()
121 min_t(int, server->max_credits - in smb2_hdr_assemble()
122 server->credits, 10)); in smb2_hdr_assemble()
123 spin_unlock(&server->req_lock); in smb2_hdr_assemble()
125 shdr->CreditRequest = cpu_to_le16(2); in smb2_hdr_assemble()
127 shdr->Id.SyncId.ProcessId = cpu_to_le32((__u16)current->tgid); in smb2_hdr_assemble()
129 if (!tcon) in smb2_hdr_assemble()
133 /* See sections 2.2.4 and 3.2.4.1.5 of MS-SMB2 */ in smb2_hdr_assemble()
134 if (server && (server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU)) in smb2_hdr_assemble()
135 shdr->CreditCharge = cpu_to_le16(1); in smb2_hdr_assemble()
138 shdr->Id.SyncId.TreeId = cpu_to_le32(tcon->tid); in smb2_hdr_assemble()
140 if (tcon->ses) in smb2_hdr_assemble()
141 shdr->SessionId = cpu_to_le64(tcon->ses->Suid); in smb2_hdr_assemble()
153 /* if (tcon->share_flags & SHI1005_FLAGS_DFS) in smb2_hdr_assemble()
154 shdr->Flags |= SMB2_FLAGS_DFS_OPERATIONS; */ in smb2_hdr_assemble()
156 if (server && server->sign && !smb3_encryption_required(tcon)) in smb2_hdr_assemble()
157 shdr->Flags |= SMB2_FLAGS_SIGNED; in smb2_hdr_assemble()
173 "server %s does not support multichannel anymore. Skip secondary channel\n", in cifs_chan_skip_or_disable()
174 ses->server->hostname); in cifs_chan_skip_or_disable()
176 spin_lock(&ses->chan_lock); in cifs_chan_skip_or_disable()
179 spin_unlock(&ses->chan_lock); in cifs_chan_skip_or_disable()
183 ses->chans[chan_index].server = NULL; in cifs_chan_skip_or_disable()
184 server->terminate = true; in cifs_chan_skip_or_disable()
185 spin_unlock(&ses->chan_lock); in cifs_chan_skip_or_disable()
188 * the above reference of server by channel in cifs_chan_skip_or_disable()
198 pserver = server->primary_server; in cifs_chan_skip_or_disable()
201 return -EHOSTDOWN; in cifs_chan_skip_or_disable()
213 smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon, in smb2_reconnect() argument
222 * SMB2s NegProt, SessSetup, Logoff do not have tcon yet so in smb2_reconnect()
224 * for those three - in the calling routine. in smb2_reconnect()
226 if (tcon == NULL) in smb2_reconnect()
236 spin_lock(&tcon->tc_lock); in smb2_reconnect()
237 if (tcon->status == TID_EXITING) { in smb2_reconnect()
242 spin_unlock(&tcon->tc_lock); in smb2_reconnect()
245 return -ENODEV; in smb2_reconnect()
248 spin_unlock(&tcon->tc_lock); in smb2_reconnect()
250 ses = tcon->ses; in smb2_reconnect()
252 return -EIO; in smb2_reconnect()
253 spin_lock(&ses->ses_lock); in smb2_reconnect()
254 if (ses->ses_status == SES_EXITING) { in smb2_reconnect()
255 spin_unlock(&ses->ses_lock); in smb2_reconnect()
256 return -EIO; in smb2_reconnect()
258 spin_unlock(&ses->ses_lock); in smb2_reconnect()
259 if (!ses->server || !server) in smb2_reconnect()
260 return -EIO; in smb2_reconnect()
262 spin_lock(&server->srv_lock); in smb2_reconnect()
263 if (server->tcpStatus == CifsNeedReconnect) { in smb2_reconnect()
276 spin_unlock(&server->srv_lock); in smb2_reconnect()
277 return -EAGAIN; in smb2_reconnect()
282 if (server->terminate) { in smb2_reconnect()
283 spin_unlock(&server->srv_lock); in smb2_reconnect()
284 return -EHOSTDOWN; in smb2_reconnect()
286 spin_unlock(&server->srv_lock); in smb2_reconnect()
289 rc = cifs_wait_for_server_reconnect(server, tcon->retry); in smb2_reconnect()
293 spin_lock(&ses->chan_lock); in smb2_reconnect()
294 if (!cifs_chan_needs_reconnect(ses, server) && !tcon->need_reconnect) { in smb2_reconnect()
295 spin_unlock(&ses->chan_lock); in smb2_reconnect()
298 spin_unlock(&ses->chan_lock); in smb2_reconnect()
299 cifs_dbg(FYI, "sess reconnect mask: 0x%lx, tcon reconnect: %d", in smb2_reconnect()
300 tcon->ses->chans_need_reconnect, in smb2_reconnect()
301 tcon->need_reconnect); in smb2_reconnect()
303 mutex_lock(&ses->session_mutex); in smb2_reconnect()
305 * if this is called by delayed work, and the channel has been disabled in smb2_reconnect()
307 * there's a chance that this channel may not exist anymore in smb2_reconnect()
309 spin_lock(&server->srv_lock); in smb2_reconnect()
310 if (server->tcpStatus == CifsExiting) { in smb2_reconnect()
311 spin_unlock(&server->srv_lock); in smb2_reconnect()
312 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
313 rc = -EHOSTDOWN; in smb2_reconnect()
322 if (server->tcpStatus == CifsNeedReconnect) { in smb2_reconnect()
323 spin_unlock(&server->srv_lock); in smb2_reconnect()
324 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
326 if (tcon->retry) in smb2_reconnect()
329 rc = -EHOSTDOWN; in smb2_reconnect()
332 spin_unlock(&server->srv_lock); in smb2_reconnect()
334 nls_codepage = ses->local_nls; in smb2_reconnect()
340 spin_lock(&ses->ses_lock); in smb2_reconnect()
341 spin_lock(&ses->chan_lock); in smb2_reconnect()
343 ses->ses_status == SES_GOOD) { in smb2_reconnect()
344 spin_unlock(&ses->chan_lock); in smb2_reconnect()
345 spin_unlock(&ses->ses_lock); in smb2_reconnect()
347 if (tcon->need_reconnect) in smb2_reconnect()
350 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
353 spin_unlock(&ses->chan_lock); in smb2_reconnect()
354 spin_unlock(&ses->ses_lock); in smb2_reconnect()
360 * and the first channel reconnected, disable all the others. in smb2_reconnect()
362 if (ses->chan_count > 1 && in smb2_reconnect()
363 !(server->capabilities & SMB2_GLOBAL_CAP_MULTI_CHANNEL)) { in smb2_reconnect()
367 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
373 if ((rc == -EACCES) || (rc == -EKEYEXPIRED) || (rc == -EKEYREVOKED)) { in smb2_reconnect()
380 if (ses->password2) in smb2_reconnect()
381 swap(ses->password2, ses->password); in smb2_reconnect()
384 if ((rc == -EACCES) && !tcon->retry) { in smb2_reconnect()
385 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
386 rc = -EHOSTDOWN; in smb2_reconnect()
389 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
393 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
398 if (!tcon->need_reconnect) { in smb2_reconnect()
399 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
402 cifs_mark_open_files_invalid(tcon); in smb2_reconnect()
403 if (tcon->use_persistent) in smb2_reconnect()
404 tcon->need_reopen_files = true; in smb2_reconnect()
406 rc = cifs_tree_connect(0, tcon, nls_codepage); in smb2_reconnect()
408 cifs_dbg(FYI, "reconnect tcon rc = %d\n", rc); in smb2_reconnect()
410 /* If sess reconnected but tcon didn't, something strange ... */ in smb2_reconnect()
411 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
412 cifs_dbg(VFS, "reconnect tcon failed rc = %d\n", rc); in smb2_reconnect()
416 spin_lock(&ses->ses_lock); in smb2_reconnect()
417 if (ses->flags & CIFS_SES_FLAG_SCALE_CHANNELS) { in smb2_reconnect()
418 spin_unlock(&ses->ses_lock); in smb2_reconnect()
419 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
422 ses->flags |= CIFS_SES_FLAG_SCALE_CHANNELS; in smb2_reconnect()
423 spin_unlock(&ses->ses_lock); in smb2_reconnect()
426 (server->capabilities & SMB2_GLOBAL_CAP_MULTI_CHANNEL) && in smb2_reconnect()
427 server->ops->query_server_interfaces) { in smb2_reconnect()
428 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
434 rc = server->ops->query_server_interfaces(xid, tcon, false); in smb2_reconnect()
437 if (rc == -EOPNOTSUPP && ses->chan_count > 1) { in smb2_reconnect()
452 if (ses->chan_max > ses->chan_count && in smb2_reconnect()
453 ses->iface_count && in smb2_reconnect()
455 if (ses->chan_count == 1) { in smb2_reconnect()
457 queue_delayed_work(cifsiod_wq, &tcon->query_interfaces, in smb2_reconnect()
464 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
468 spin_lock(&ses->ses_lock); in smb2_reconnect()
469 ses->flags &= ~CIFS_SES_FLAG_SCALE_CHANNELS; in smb2_reconnect()
470 spin_unlock(&ses->ses_lock); in smb2_reconnect()
473 mod_delayed_work(cifsiod_wq, &server->reconnect, 0); in smb2_reconnect()
494 rc = -EAGAIN; in smb2_reconnect()
501 fill_small_buf(__le16 smb2_command, struct cifs_tcon *tcon, in fill_small_buf() argument
516 smb2_hdr_assemble(&spdu->hdr, smb2_command, tcon, server); in fill_small_buf()
517 spdu->StructureSize2 = cpu_to_le16(parmsize); in fill_small_buf()
527 static int __smb2_plain_req_init(__le16 smb2_command, struct cifs_tcon *tcon, in __smb2_plain_req_init() argument
543 return -ENOMEM; in __smb2_plain_req_init()
546 fill_small_buf(smb2_command, tcon, server, in __smb2_plain_req_init()
550 if (tcon != NULL) { in __smb2_plain_req_init()
552 cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_sent[com_code]); in __smb2_plain_req_init()
553 cifs_stats_inc(&tcon->num_smbs_sent); in __smb2_plain_req_init()
559 static int smb2_plain_req_init(__le16 smb2_command, struct cifs_tcon *tcon, in smb2_plain_req_init() argument
565 rc = smb2_reconnect(smb2_command, tcon, server, false); in smb2_plain_req_init()
569 return __smb2_plain_req_init(smb2_command, tcon, server, request_buf, in smb2_plain_req_init()
573 static int smb2_ioctl_req_init(u32 opcode, struct cifs_tcon *tcon, in smb2_ioctl_req_init() argument
579 return __smb2_plain_req_init(SMB2_IOCTL, tcon, server, in smb2_ioctl_req_init()
582 return smb2_plain_req_init(SMB2_IOCTL, tcon, server, in smb2_ioctl_req_init()
586 /* For explanation of negotiate contexts see MS-SMB2 section 2.2.3.1 */
591 pneg_ctxt->ContextType = SMB2_PREAUTH_INTEGRITY_CAPABILITIES; in build_preauth_ctxt()
592 pneg_ctxt->DataLength = cpu_to_le16(38); in build_preauth_ctxt()
593 pneg_ctxt->HashAlgorithmCount = cpu_to_le16(1); in build_preauth_ctxt()
594 pneg_ctxt->SaltLength = cpu_to_le16(SMB311_SALT_SIZE); in build_preauth_ctxt()
595 get_random_bytes(pneg_ctxt->Salt, SMB311_SALT_SIZE); in build_preauth_ctxt()
596 pneg_ctxt->HashAlgorithms = SMB2_PREAUTH_INTEGRITY_SHA512; in build_preauth_ctxt()
602 pneg_ctxt->ContextType = SMB2_COMPRESSION_CAPABILITIES; in build_compression_ctxt()
603 pneg_ctxt->DataLength = in build_compression_ctxt()
605 - sizeof(struct smb2_neg_context)); in build_compression_ctxt()
606 pneg_ctxt->CompressionAlgorithmCount = cpu_to_le16(3); in build_compression_ctxt()
607 pneg_ctxt->CompressionAlgorithms[0] = SMB3_COMPRESS_LZ77; in build_compression_ctxt()
608 pneg_ctxt->CompressionAlgorithms[1] = SMB3_COMPRESS_LZ77_HUFF; in build_compression_ctxt()
609 pneg_ctxt->CompressionAlgorithms[2] = SMB3_COMPRESS_LZNT1; in build_compression_ctxt()
618 pneg_ctxt->ContextType = SMB2_SIGNING_CAPABILITIES; in build_signing_ctxt()
622 pneg_ctxt->DataLength = cpu_to_le16(ALIGN(sizeof(struct smb2_signing_capabilities) - in build_signing_ctxt()
625 pneg_ctxt->SigningAlgorithmCount = cpu_to_le16(num_algs); in build_signing_ctxt()
626 pneg_ctxt->SigningAlgorithms[0] = cpu_to_le16(SIGNING_ALG_AES_CMAC); in build_signing_ctxt()
637 pneg_ctxt->ContextType = SMB2_ENCRYPTION_CAPABILITIES; in build_encrypt_ctxt()
639 pneg_ctxt->DataLength = cpu_to_le16(4); /* Cipher Count + 1 cipher */ in build_encrypt_ctxt()
640 pneg_ctxt->CipherCount = cpu_to_le16(1); in build_encrypt_ctxt()
641 pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES256_GCM; in build_encrypt_ctxt()
643 pneg_ctxt->DataLength = cpu_to_le16(8); /* Cipher Count + 3 ciphers */ in build_encrypt_ctxt()
644 pneg_ctxt->CipherCount = cpu_to_le16(3); in build_encrypt_ctxt()
645 pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES128_GCM; in build_encrypt_ctxt()
646 pneg_ctxt->Ciphers[1] = SMB2_ENCRYPTION_AES256_GCM; in build_encrypt_ctxt()
647 pneg_ctxt->Ciphers[2] = SMB2_ENCRYPTION_AES128_CCM; in build_encrypt_ctxt()
649 pneg_ctxt->DataLength = cpu_to_le16(6); /* Cipher Count + 2 ciphers */ in build_encrypt_ctxt()
650 pneg_ctxt->CipherCount = cpu_to_le16(2); in build_encrypt_ctxt()
651 pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES128_GCM; in build_encrypt_ctxt()
652 pneg_ctxt->Ciphers[1] = SMB2_ENCRYPTION_AES128_CCM; in build_encrypt_ctxt()
661 pneg_ctxt->ContextType = SMB2_NETNAME_NEGOTIATE_CONTEXT_ID; in build_netname_ctxt()
664 pneg_ctxt->DataLength = cpu_to_le16(2 * cifs_strtoUTF16(pneg_ctxt->NetName, hostname, 100, cp)); in build_netname_ctxt()
666 return ALIGN(le16_to_cpu(pneg_ctxt->DataLength) + sizeof(struct smb2_neg_context), 8); in build_netname_ctxt()
672 pneg_ctxt->ContextType = SMB2_POSIX_EXTENSIONS_AVAILABLE; in build_posix_ctxt()
673 pneg_ctxt->DataLength = cpu_to_le16(POSIX_CTXT_DATA_LEN); in build_posix_ctxt()
675 pneg_ctxt->Name[0] = 0x93; in build_posix_ctxt()
676 pneg_ctxt->Name[1] = 0xAD; in build_posix_ctxt()
677 pneg_ctxt->Name[2] = 0x25; in build_posix_ctxt()
678 pneg_ctxt->Name[3] = 0x50; in build_posix_ctxt()
679 pneg_ctxt->Name[4] = 0x9C; in build_posix_ctxt()
680 pneg_ctxt->Name[5] = 0xB4; in build_posix_ctxt()
681 pneg_ctxt->Name[6] = 0x11; in build_posix_ctxt()
682 pneg_ctxt->Name[7] = 0xE7; in build_posix_ctxt()
683 pneg_ctxt->Name[8] = 0xB4; in build_posix_ctxt()
684 pneg_ctxt->Name[9] = 0x23; in build_posix_ctxt()
685 pneg_ctxt->Name[10] = 0x83; in build_posix_ctxt()
686 pneg_ctxt->Name[11] = 0xDE; in build_posix_ctxt()
687 pneg_ctxt->Name[12] = 0x96; in build_posix_ctxt()
688 pneg_ctxt->Name[13] = 0x8B; in build_posix_ctxt()
689 pneg_ctxt->Name[14] = 0xCD; in build_posix_ctxt()
690 pneg_ctxt->Name[15] = 0x7C; in build_posix_ctxt()
715 req->NegotiateContextOffset = cpu_to_le32(*total_len); in assemble_neg_contexts()
729 * use the hostname field in the primary channel instead in assemble_neg_contexts()
731 pserver = SERVER_IS_CHAN(server) ? server->primary_server : server; in assemble_neg_contexts()
733 hostname = pserver->hostname; in assemble_neg_contexts()
749 if (server->compression.requested) { in assemble_neg_contexts()
767 req->NegotiateContextCount = cpu_to_le16(neg_context_count); in assemble_neg_contexts()
771 /* If invalid preauth context warn but use what we requested, SHA-512 */
774 unsigned int len = le16_to_cpu(ctxt->DataLength); in decode_preauth_context()
783 } else if (len < MIN_PREAUTH_CTXT_DATA_LEN + le16_to_cpu(ctxt->SaltLength)) { in decode_preauth_context()
787 if (le16_to_cpu(ctxt->HashAlgorithmCount) != 1) in decode_preauth_context()
789 if (ctxt->HashAlgorithms != SMB2_PREAUTH_INTEGRITY_SHA512) in decode_preauth_context()
796 unsigned int len = le16_to_cpu(ctxt->DataLength); in decode_compress_ctx()
799 server->compression.enabled = false; in decode_compress_ctx()
811 if (le16_to_cpu(ctxt->CompressionAlgorithmCount) != 1) { in decode_compress_ctx()
816 alg = ctxt->CompressionAlgorithms[0]; in decode_compress_ctx()
824 server->compression.alg = alg; in decode_compress_ctx()
825 server->compression.enabled = true; in decode_compress_ctx()
831 unsigned int len = le16_to_cpu(ctxt->DataLength); in decode_encrypt_ctx()
841 return -EINVAL; in decode_encrypt_ctx()
844 if (le16_to_cpu(ctxt->CipherCount) != 1) { in decode_encrypt_ctx()
846 return -EINVAL; in decode_encrypt_ctx()
848 cifs_dbg(FYI, "SMB311 cipher type:%d\n", le16_to_cpu(ctxt->Ciphers[0])); in decode_encrypt_ctx()
850 if (ctxt->Ciphers[0] != SMB2_ENCRYPTION_AES256_GCM) { in decode_encrypt_ctx()
852 return -EOPNOTSUPP; in decode_encrypt_ctx()
854 } else if (ctxt->Ciphers[0] == 0) { in decode_encrypt_ctx()
864 server->cipher_type = 0; in decode_encrypt_ctx()
865 server->capabilities &= ~SMB2_GLOBAL_CAP_ENCRYPTION; in decode_encrypt_ctx()
868 } else if ((ctxt->Ciphers[0] != SMB2_ENCRYPTION_AES128_CCM) && in decode_encrypt_ctx()
869 (ctxt->Ciphers[0] != SMB2_ENCRYPTION_AES128_GCM) && in decode_encrypt_ctx()
870 (ctxt->Ciphers[0] != SMB2_ENCRYPTION_AES256_GCM)) { in decode_encrypt_ctx()
873 return -EINVAL; in decode_encrypt_ctx()
875 server->cipher_type = ctxt->Ciphers[0]; in decode_encrypt_ctx()
876 server->capabilities |= SMB2_GLOBAL_CAP_ENCRYPTION; in decode_encrypt_ctx()
883 unsigned int len = le16_to_cpu(pctxt->DataLength); in decode_signing_ctx()
894 if (le16_to_cpu(pctxt->SigningAlgorithmCount) != 1) { in decode_signing_ctx()
898 if (le16_to_cpu(pctxt->SigningAlgorithms[0]) > 2) { in decode_signing_ctx()
903 server->signing_negotiated = true; in decode_signing_ctx()
904 server->signing_algorithm = le16_to_cpu(pctxt->SigningAlgorithms[0]); in decode_signing_ctx()
906 server->signing_algorithm); in decode_signing_ctx()
915 unsigned int offset = le32_to_cpu(rsp->NegotiateContextOffset); in smb311_decode_neg_context()
916 unsigned int ctxt_cnt = le16_to_cpu(rsp->NegotiateContextCount); in smb311_decode_neg_context()
923 return -EINVAL; in smb311_decode_neg_context()
926 len_of_ctxts = len_of_smb - offset; in smb311_decode_neg_context()
936 + le16_to_cpu(pctx->DataLength); in smb311_decode_neg_context()
939 * Subsequent negotiate contexts MUST appear at the first 8-byte in smb311_decode_neg_context()
947 if (pctx->ContextType == SMB2_PREAUTH_INTEGRITY_CAPABILITIES) in smb311_decode_neg_context()
950 else if (pctx->ContextType == SMB2_ENCRYPTION_CAPABILITIES) in smb311_decode_neg_context()
953 else if (pctx->ContextType == SMB2_COMPRESSION_CAPABILITIES) in smb311_decode_neg_context()
956 else if (pctx->ContextType == SMB2_POSIX_EXTENSIONS_AVAILABLE) in smb311_decode_neg_context()
957 server->posix_ext_supported = true; in smb311_decode_neg_context()
958 else if (pctx->ContextType == SMB2_SIGNING_CAPABILITIES) in smb311_decode_neg_context()
963 le16_to_cpu(pctx->ContextType)); in smb311_decode_neg_context()
968 len_of_ctxts -= clen; in smb311_decode_neg_context()
983 buf->ccontext.DataOffset = in create_posix_buf()
985 buf->ccontext.DataLength = cpu_to_le32(4); in create_posix_buf()
986 buf->ccontext.NameOffset = in create_posix_buf()
988 buf->ccontext.NameLength = cpu_to_le16(16); in create_posix_buf()
991 buf->Name[0] = 0x93; in create_posix_buf()
992 buf->Name[1] = 0xAD; in create_posix_buf()
993 buf->Name[2] = 0x25; in create_posix_buf()
994 buf->Name[3] = 0x50; in create_posix_buf()
995 buf->Name[4] = 0x9C; in create_posix_buf()
996 buf->Name[5] = 0xB4; in create_posix_buf()
997 buf->Name[6] = 0x11; in create_posix_buf()
998 buf->Name[7] = 0xE7; in create_posix_buf()
999 buf->Name[8] = 0xB4; in create_posix_buf()
1000 buf->Name[9] = 0x23; in create_posix_buf()
1001 buf->Name[10] = 0x83; in create_posix_buf()
1002 buf->Name[11] = 0xDE; in create_posix_buf()
1003 buf->Name[12] = 0x96; in create_posix_buf()
1004 buf->Name[13] = 0x8B; in create_posix_buf()
1005 buf->Name[14] = 0xCD; in create_posix_buf()
1006 buf->Name[15] = 0x7C; in create_posix_buf()
1007 buf->Mode = cpu_to_le32(mode); in create_posix_buf()
1021 return -ENOMEM; in add_posix_context()
1064 return -EIO; in SMB2_negotiate()
1072 req->hdr.SessionId = 0; in SMB2_negotiate()
1074 memset(server->preauth_sha_hash, 0, SMB2_PREAUTH_HASH_SIZE); in SMB2_negotiate()
1075 memset(ses->preauth_sha_hash, 0, SMB2_PREAUTH_HASH_SIZE); in SMB2_negotiate()
1077 if (strcmp(server->vals->version_string, in SMB2_negotiate()
1079 req->Dialects[0] = cpu_to_le16(SMB30_PROT_ID); in SMB2_negotiate()
1080 req->Dialects[1] = cpu_to_le16(SMB302_PROT_ID); in SMB2_negotiate()
1081 req->Dialects[2] = cpu_to_le16(SMB311_PROT_ID); in SMB2_negotiate()
1082 req->DialectCount = cpu_to_le16(3); in SMB2_negotiate()
1084 } else if (strcmp(server->vals->version_string, in SMB2_negotiate()
1086 req->Dialects[0] = cpu_to_le16(SMB21_PROT_ID); in SMB2_negotiate()
1087 req->Dialects[1] = cpu_to_le16(SMB30_PROT_ID); in SMB2_negotiate()
1088 req->Dialects[2] = cpu_to_le16(SMB302_PROT_ID); in SMB2_negotiate()
1089 req->Dialects[3] = cpu_to_le16(SMB311_PROT_ID); in SMB2_negotiate()
1090 req->DialectCount = cpu_to_le16(4); in SMB2_negotiate()
1094 req->Dialects[0] = cpu_to_le16(server->vals->protocol_id); in SMB2_negotiate()
1095 req->DialectCount = cpu_to_le16(1); in SMB2_negotiate()
1100 if (ses->sign) in SMB2_negotiate()
1101 req->SecurityMode = cpu_to_le16(SMB2_NEGOTIATE_SIGNING_REQUIRED); in SMB2_negotiate()
1103 req->SecurityMode = cpu_to_le16(SMB2_NEGOTIATE_SIGNING_ENABLED); in SMB2_negotiate()
1105 req->SecurityMode = 0; in SMB2_negotiate()
1107 req->Capabilities = cpu_to_le32(server->vals->req_capabilities); in SMB2_negotiate()
1108 if (ses->chan_max > 1) in SMB2_negotiate()
1109 req->Capabilities |= cpu_to_le32(SMB2_GLOBAL_CAP_MULTI_CHANNEL); in SMB2_negotiate()
1112 if (server->vals->protocol_id == SMB20_PROT_ID) in SMB2_negotiate()
1113 memset(req->ClientGUID, 0, SMB2_CLIENT_GUID_SIZE); in SMB2_negotiate()
1115 memcpy(req->ClientGUID, server->client_guid, in SMB2_negotiate()
1117 if ((server->vals->protocol_id == SMB311_PROT_ID) || in SMB2_negotiate()
1118 (strcmp(server->vals->version_string, in SMB2_negotiate()
1120 (strcmp(server->vals->version_string, in SMB2_negotiate()
1136 * No tcon so can't do in SMB2_negotiate()
1137 * cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_fail[SMB2...]); in SMB2_negotiate()
1139 if (rc == -EOPNOTSUPP) { in SMB2_negotiate()
1145 rc = -EIO; in SMB2_negotiate()
1146 if (strcmp(server->vals->version_string, in SMB2_negotiate()
1148 if (rsp->DialectRevision == cpu_to_le16(SMB20_PROT_ID)) { in SMB2_negotiate()
1152 } else if (rsp->DialectRevision == cpu_to_le16(SMB21_PROT_ID)) { in SMB2_negotiate()
1156 } else if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID)) { in SMB2_negotiate()
1158 server->ops = &smb311_operations; in SMB2_negotiate()
1159 server->vals = &smb311_values; in SMB2_negotiate()
1161 } else if (strcmp(server->vals->version_string, in SMB2_negotiate()
1163 if (rsp->DialectRevision == cpu_to_le16(SMB20_PROT_ID)) { in SMB2_negotiate()
1167 } else if (rsp->DialectRevision == cpu_to_le16(SMB21_PROT_ID)) { in SMB2_negotiate()
1169 server->ops = &smb21_operations; in SMB2_negotiate()
1170 server->vals = &smb21_values; in SMB2_negotiate()
1171 } else if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID)) { in SMB2_negotiate()
1172 server->ops = &smb311_operations; in SMB2_negotiate()
1173 server->vals = &smb311_values; in SMB2_negotiate()
1175 } else if (le16_to_cpu(rsp->DialectRevision) != in SMB2_negotiate()
1176 server->vals->protocol_id) { in SMB2_negotiate()
1179 le16_to_cpu(rsp->DialectRevision)); in SMB2_negotiate()
1183 cifs_dbg(FYI, "mode 0x%x\n", rsp->SecurityMode); in SMB2_negotiate()
1185 if (rsp->DialectRevision == cpu_to_le16(SMB20_PROT_ID)) in SMB2_negotiate()
1187 else if (rsp->DialectRevision == cpu_to_le16(SMB21_PROT_ID)) in SMB2_negotiate()
1189 else if (rsp->DialectRevision == cpu_to_le16(SMB30_PROT_ID)) in SMB2_negotiate()
1191 else if (rsp->DialectRevision == cpu_to_le16(SMB302_PROT_ID)) in SMB2_negotiate()
1193 else if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID)) in SMB2_negotiate()
1197 le16_to_cpu(rsp->DialectRevision)); in SMB2_negotiate()
1202 server->dialect = le16_to_cpu(rsp->DialectRevision); in SMB2_negotiate()
1209 memcpy(server->preauth_sha_hash, ses->preauth_sha_hash, in SMB2_negotiate()
1213 server->negflavor = CIFS_NEGFLAVOR_EXTENDED; in SMB2_negotiate()
1215 server->maxBuf = min_t(unsigned int, le32_to_cpu(rsp->MaxTransactSize), in SMB2_negotiate()
1217 server->max_read = le32_to_cpu(rsp->MaxReadSize); in SMB2_negotiate()
1218 server->max_write = le32_to_cpu(rsp->MaxWriteSize); in SMB2_negotiate()
1219 server->sec_mode = le16_to_cpu(rsp->SecurityMode); in SMB2_negotiate()
1220 if ((server->sec_mode & SMB2_SEC_MODE_FLAGS_ALL) != server->sec_mode) in SMB2_negotiate()
1222 server->sec_mode); in SMB2_negotiate()
1223 server->capabilities = le32_to_cpu(rsp->Capabilities); in SMB2_negotiate()
1225 server->capabilities |= SMB2_NT_FIND | SMB2_LARGE_FILES; in SMB2_negotiate()
1231 if ((server->dialect == SMB30_PROT_ID || in SMB2_negotiate()
1232 server->dialect == SMB302_PROT_ID) && in SMB2_negotiate()
1233 (server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION)) in SMB2_negotiate()
1234 server->cipher_type = SMB2_ENCRYPTION_AES128_CCM; in SMB2_negotiate()
1239 * See MS-SMB2 section 2.2.4: if no blob, client picks default which in SMB2_negotiate()
1241 * ses->sectype = RawNTLMSSP; in SMB2_negotiate()
1247 server->sec_ntlmssp = true; in SMB2_negotiate()
1250 rc = cifs_enable_signing(server, ses->sign); in SMB2_negotiate()
1258 rc = -EIO; in SMB2_negotiate()
1261 if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID)) { in SMB2_negotiate()
1262 if (rsp->NegotiateContextCount) in SMB2_negotiate()
1269 if (server->cipher_type && !rc) { in SMB2_negotiate()
1279 int smb3_validate_negotiate(const unsigned int xid, struct cifs_tcon *tcon) in smb3_validate_negotiate() argument
1286 struct TCP_Server_Info *server = tcon->ses->server; in smb3_validate_negotiate()
1291 if (server->dialect == SMB311_PROT_ID) in smb3_validate_negotiate()
1301 if (tcon->ses->session_flags & SMB2_SESSION_FLAG_IS_GUEST) in smb3_validate_negotiate()
1304 if (tcon->ses->user_name == NULL) { in smb3_validate_negotiate()
1309 if (tcon->ses->session_flags & SMB2_SESSION_FLAG_IS_NULL) in smb3_validate_negotiate()
1314 return -ENOMEM; in smb3_validate_negotiate()
1316 pneg_inbuf->Capabilities = in smb3_validate_negotiate()
1317 cpu_to_le32(server->vals->req_capabilities); in smb3_validate_negotiate()
1318 if (tcon->ses->chan_max > 1) in smb3_validate_negotiate()
1319 pneg_inbuf->Capabilities |= cpu_to_le32(SMB2_GLOBAL_CAP_MULTI_CHANNEL); in smb3_validate_negotiate()
1321 memcpy(pneg_inbuf->Guid, server->client_guid, in smb3_validate_negotiate()
1324 if (tcon->ses->sign) in smb3_validate_negotiate()
1325 pneg_inbuf->SecurityMode = in smb3_validate_negotiate()
1328 pneg_inbuf->SecurityMode = in smb3_validate_negotiate()
1331 pneg_inbuf->SecurityMode = 0; in smb3_validate_negotiate()
1334 if (strcmp(server->vals->version_string, in smb3_validate_negotiate()
1336 pneg_inbuf->Dialects[0] = cpu_to_le16(SMB30_PROT_ID); in smb3_validate_negotiate()
1337 pneg_inbuf->Dialects[1] = cpu_to_le16(SMB302_PROT_ID); in smb3_validate_negotiate()
1338 pneg_inbuf->Dialects[2] = cpu_to_le16(SMB311_PROT_ID); in smb3_validate_negotiate()
1339 pneg_inbuf->DialectCount = cpu_to_le16(3); in smb3_validate_negotiate()
1341 inbuflen = sizeof(*pneg_inbuf) - in smb3_validate_negotiate()
1342 (sizeof(pneg_inbuf->Dialects[0])); in smb3_validate_negotiate()
1343 } else if (strcmp(server->vals->version_string, in smb3_validate_negotiate()
1345 pneg_inbuf->Dialects[0] = cpu_to_le16(SMB21_PROT_ID); in smb3_validate_negotiate()
1346 pneg_inbuf->Dialects[1] = cpu_to_le16(SMB30_PROT_ID); in smb3_validate_negotiate()
1347 pneg_inbuf->Dialects[2] = cpu_to_le16(SMB302_PROT_ID); in smb3_validate_negotiate()
1348 pneg_inbuf->Dialects[3] = cpu_to_le16(SMB311_PROT_ID); in smb3_validate_negotiate()
1349 pneg_inbuf->DialectCount = cpu_to_le16(4); in smb3_validate_negotiate()
1354 pneg_inbuf->Dialects[0] = in smb3_validate_negotiate()
1355 cpu_to_le16(server->vals->protocol_id); in smb3_validate_negotiate()
1356 pneg_inbuf->DialectCount = cpu_to_le16(1); in smb3_validate_negotiate()
1358 inbuflen = sizeof(*pneg_inbuf) - in smb3_validate_negotiate()
1359 sizeof(pneg_inbuf->Dialects[0]) * 3; in smb3_validate_negotiate()
1362 rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID, in smb3_validate_negotiate()
1366 if (rc == -EOPNOTSUPP) { in smb3_validate_negotiate()
1377 rc = -EIO; in smb3_validate_negotiate()
1381 rc = -EIO; in smb3_validate_negotiate()
1392 if (pneg_rsp->Dialect != cpu_to_le16(server->dialect)) in smb3_validate_negotiate()
1395 if (pneg_rsp->SecurityMode != cpu_to_le16(server->sec_mode)) in smb3_validate_negotiate()
1400 if ((le32_to_cpu(pneg_rsp->Capabilities) | SMB2_NT_FIND | in smb3_validate_negotiate()
1401 SMB2_LARGE_FILES) != server->capabilities) in smb3_validate_negotiate()
1410 cifs_tcon_dbg(VFS, "protocol revalidation - security settings mismatch\n"); in smb3_validate_negotiate()
1428 if (server->sec_ntlmssp && in smb2_select_sectype()
1431 if ((server->sec_kerberos || server->sec_mskerberos || server->sec_iakerb) && in smb2_select_sectype()
1464 struct cifs_ses *ses = sess_data->ses; in SMB2_sess_alloc_buffer()
1465 struct TCP_Server_Info *server = sess_data->server; in SMB2_sess_alloc_buffer()
1476 spin_lock(&ses->ses_lock); in SMB2_sess_alloc_buffer()
1477 is_binding = (ses->ses_status == SES_GOOD); in SMB2_sess_alloc_buffer()
1478 spin_unlock(&ses->ses_lock); in SMB2_sess_alloc_buffer()
1481 req->hdr.SessionId = cpu_to_le64(ses->Suid); in SMB2_sess_alloc_buffer()
1482 req->hdr.Flags |= SMB2_FLAGS_SIGNED; in SMB2_sess_alloc_buffer()
1483 req->PreviousSessionId = 0; in SMB2_sess_alloc_buffer()
1484 req->Flags = SMB2_SESSION_REQ_FLAG_BINDING; in SMB2_sess_alloc_buffer()
1485 cifs_dbg(FYI, "Binding to sess id: %llx\n", ses->Suid); in SMB2_sess_alloc_buffer()
1488 req->hdr.SessionId = 0; in SMB2_sess_alloc_buffer()
1493 req->PreviousSessionId = cpu_to_le64(sess_data->previous_session); in SMB2_sess_alloc_buffer()
1494 req->Flags = 0; /* MBZ */ in SMB2_sess_alloc_buffer()
1496 sess_data->previous_session); in SMB2_sess_alloc_buffer()
1500 if (server->credits >= server->max_credits) in SMB2_sess_alloc_buffer()
1501 req->hdr.CreditRequest = cpu_to_le16(0); in SMB2_sess_alloc_buffer()
1503 req->hdr.CreditRequest = cpu_to_le16( in SMB2_sess_alloc_buffer()
1504 min_t(int, server->max_credits - in SMB2_sess_alloc_buffer()
1505 server->credits, 130)); in SMB2_sess_alloc_buffer()
1508 if (server->sign) in SMB2_sess_alloc_buffer()
1509 req->SecurityMode = SMB2_NEGOTIATE_SIGNING_REQUIRED; in SMB2_sess_alloc_buffer()
1511 req->SecurityMode = SMB2_NEGOTIATE_SIGNING_ENABLED; in SMB2_sess_alloc_buffer()
1513 req->SecurityMode = 0; in SMB2_sess_alloc_buffer()
1516 req->Capabilities = cpu_to_le32(SMB2_GLOBAL_CAP_DFS); in SMB2_sess_alloc_buffer()
1518 req->Capabilities = 0; in SMB2_sess_alloc_buffer()
1521 req->Channel = 0; /* MBZ */ in SMB2_sess_alloc_buffer()
1523 sess_data->iov[0].iov_base = (char *)req; in SMB2_sess_alloc_buffer()
1525 sess_data->iov[0].iov_len = total_len - 1; in SMB2_sess_alloc_buffer()
1530 sess_data->buf0_type = CIFS_SMALL_BUFFER; in SMB2_sess_alloc_buffer()
1538 struct kvec *iov = sess_data->iov; in SMB2_sess_free_buffer()
1541 if (sess_data->buf0_type != CIFS_NO_BUFFER && iov[0].iov_base) in SMB2_sess_free_buffer()
1544 free_rsp_buf(sess_data->buf0_type, iov[0].iov_base); in SMB2_sess_free_buffer()
1545 sess_data->buf0_type = CIFS_NO_BUFFER; in SMB2_sess_free_buffer()
1553 struct smb2_sess_setup_req *req = sess_data->iov[0].iov_base; in SMB2_sess_sendreceive()
1557 req->SecurityBufferOffset = in SMB2_sess_sendreceive()
1559 req->SecurityBufferLength = cpu_to_le16(sess_data->iov[1].iov_len); in SMB2_sess_sendreceive()
1562 rqst.rq_iov = sess_data->iov; in SMB2_sess_sendreceive()
1566 rc = cifs_send_recv(sess_data->xid, sess_data->ses, in SMB2_sess_sendreceive()
1567 sess_data->server, in SMB2_sess_sendreceive()
1569 &sess_data->buf0_type, in SMB2_sess_sendreceive()
1571 cifs_small_buf_release(sess_data->iov[0].iov_base); in SMB2_sess_sendreceive()
1573 sess_data->ses->expired_pwd = false; in SMB2_sess_sendreceive()
1574 else if ((rc == -EACCES) || (rc == -EKEYEXPIRED) || (rc == -EKEYREVOKED)) in SMB2_sess_sendreceive()
1575 sess_data->ses->expired_pwd = true; in SMB2_sess_sendreceive()
1577 memcpy(&sess_data->iov[0], &rsp_iov, sizeof(struct kvec)); in SMB2_sess_sendreceive()
1586 struct cifs_ses *ses = sess_data->ses; in SMB2_sess_establish_session()
1587 struct TCP_Server_Info *server = sess_data->server; in SMB2_sess_establish_session()
1590 if (server->ops->generate_signingkey) { in SMB2_sess_establish_session()
1591 rc = server->ops->generate_signingkey(ses, server); in SMB2_sess_establish_session()
1599 if (!server->session_estab) { in SMB2_sess_establish_session()
1600 server->sequence_number = 0x2; in SMB2_sess_establish_session()
1601 server->session_estab = true; in SMB2_sess_establish_session()
1614 struct cifs_ses *ses = sess_data->ses; in SMB2_auth_kerberos()
1615 struct TCP_Server_Info *server = sess_data->server; in SMB2_auth_kerberos()
1628 if (rc == -ENOKEY) in SMB2_auth_kerberos()
1634 msg = spnego_key->payload.data[0]; in SMB2_auth_kerberos()
1639 if (msg->version != CIFS_SPNEGO_UPCALL_VERSION) { in SMB2_auth_kerberos()
1641 CIFS_SPNEGO_UPCALL_VERSION, msg->version); in SMB2_auth_kerberos()
1642 rc = -EKEYREJECTED; in SMB2_auth_kerberos()
1646 spin_lock(&ses->ses_lock); in SMB2_auth_kerberos()
1647 is_binding = (ses->ses_status == SES_GOOD); in SMB2_auth_kerberos()
1648 spin_unlock(&ses->ses_lock); in SMB2_auth_kerberos()
1652 kfree_sensitive(ses->auth_key.response); in SMB2_auth_kerberos()
1653 ses->auth_key.response = kmemdup(msg->data, msg->sesskey_len, in SMB2_auth_kerberos()
1655 if (!ses->auth_key.response) { in SMB2_auth_kerberos()
1657 msg->sesskey_len); in SMB2_auth_kerberos()
1658 rc = -ENOMEM; in SMB2_auth_kerberos()
1661 ses->auth_key.len = msg->sesskey_len; in SMB2_auth_kerberos()
1664 sess_data->iov[1].iov_base = msg->data + msg->sesskey_len; in SMB2_auth_kerberos()
1665 sess_data->iov[1].iov_len = msg->secblob_len; in SMB2_auth_kerberos()
1671 rsp = (struct smb2_sess_setup_rsp *)sess_data->iov[0].iov_base; in SMB2_auth_kerberos()
1674 ses->Suid = le64_to_cpu(rsp->hdr.SessionId); in SMB2_auth_kerberos()
1675 ses->session_flags = le16_to_cpu(rsp->SessionFlags); in SMB2_auth_kerberos()
1683 kfree_sensitive(ses->auth_key.response); in SMB2_auth_kerberos()
1684 ses->auth_key.response = NULL; in SMB2_auth_kerberos()
1685 ses->auth_key.len = 0; in SMB2_auth_kerberos()
1688 sess_data->result = rc; in SMB2_auth_kerberos()
1689 sess_data->func = NULL; in SMB2_auth_kerberos()
1697 sess_data->result = -EOPNOTSUPP; in SMB2_auth_kerberos()
1698 sess_data->func = NULL; in SMB2_auth_kerberos()
1709 struct cifs_ses *ses = sess_data->ses; in SMB2_sess_auth_rawntlmssp_negotiate()
1710 struct TCP_Server_Info *server = sess_data->server; in SMB2_sess_auth_rawntlmssp_negotiate()
1721 ses->ntlmssp = kmalloc(sizeof(struct ntlmssp_auth), GFP_KERNEL); in SMB2_sess_auth_rawntlmssp_negotiate()
1722 if (!ses->ntlmssp) { in SMB2_sess_auth_rawntlmssp_negotiate()
1723 rc = -ENOMEM; in SMB2_sess_auth_rawntlmssp_negotiate()
1726 ses->ntlmssp->sesskey_per_smbsess = true; in SMB2_sess_auth_rawntlmssp_negotiate()
1734 sess_data->nls_cp); in SMB2_sess_auth_rawntlmssp_negotiate()
1741 rc = -EOPNOTSUPP; in SMB2_sess_auth_rawntlmssp_negotiate()
1744 sess_data->iov[1].iov_base = ntlmssp_blob; in SMB2_sess_auth_rawntlmssp_negotiate()
1745 sess_data->iov[1].iov_len = blob_length; in SMB2_sess_auth_rawntlmssp_negotiate()
1748 rsp = (struct smb2_sess_setup_rsp *)sess_data->iov[0].iov_base; in SMB2_sess_auth_rawntlmssp_negotiate()
1751 if (sess_data->buf0_type != CIFS_NO_BUFFER && in SMB2_sess_auth_rawntlmssp_negotiate()
1752 rsp->hdr.Status == STATUS_MORE_PROCESSING_REQUIRED) in SMB2_sess_auth_rawntlmssp_negotiate()
1759 le16_to_cpu(rsp->SecurityBufferOffset)) { in SMB2_sess_auth_rawntlmssp_negotiate()
1761 le16_to_cpu(rsp->SecurityBufferOffset)); in SMB2_sess_auth_rawntlmssp_negotiate()
1762 rc = -EIO; in SMB2_sess_auth_rawntlmssp_negotiate()
1765 rc = decode_ntlmssp_challenge(rsp->Buffer, in SMB2_sess_auth_rawntlmssp_negotiate()
1766 le16_to_cpu(rsp->SecurityBufferLength), ses); in SMB2_sess_auth_rawntlmssp_negotiate()
1772 spin_lock(&ses->ses_lock); in SMB2_sess_auth_rawntlmssp_negotiate()
1773 is_binding = (ses->ses_status == SES_GOOD); in SMB2_sess_auth_rawntlmssp_negotiate()
1774 spin_unlock(&ses->ses_lock); in SMB2_sess_auth_rawntlmssp_negotiate()
1778 ses->Suid = le64_to_cpu(rsp->hdr.SessionId); in SMB2_sess_auth_rawntlmssp_negotiate()
1779 ses->session_flags = le16_to_cpu(rsp->SessionFlags); in SMB2_sess_auth_rawntlmssp_negotiate()
1786 sess_data->result = 0; in SMB2_sess_auth_rawntlmssp_negotiate()
1787 sess_data->func = SMB2_sess_auth_rawntlmssp_authenticate; in SMB2_sess_auth_rawntlmssp_negotiate()
1791 kfree_sensitive(ses->ntlmssp); in SMB2_sess_auth_rawntlmssp_negotiate()
1792 ses->ntlmssp = NULL; in SMB2_sess_auth_rawntlmssp_negotiate()
1793 sess_data->result = rc; in SMB2_sess_auth_rawntlmssp_negotiate()
1794 sess_data->func = NULL; in SMB2_sess_auth_rawntlmssp_negotiate()
1801 struct cifs_ses *ses = sess_data->ses; in SMB2_sess_auth_rawntlmssp_authenticate()
1802 struct TCP_Server_Info *server = sess_data->server; in SMB2_sess_auth_rawntlmssp_authenticate()
1814 req = (struct smb2_sess_setup_req *) sess_data->iov[0].iov_base; in SMB2_sess_auth_rawntlmssp_authenticate()
1815 req->hdr.SessionId = cpu_to_le64(ses->Suid); in SMB2_sess_auth_rawntlmssp_authenticate()
1819 sess_data->nls_cp); in SMB2_sess_auth_rawntlmssp_authenticate()
1828 rc = -EOPNOTSUPP; in SMB2_sess_auth_rawntlmssp_authenticate()
1831 sess_data->iov[1].iov_base = ntlmssp_blob; in SMB2_sess_auth_rawntlmssp_authenticate()
1832 sess_data->iov[1].iov_len = blob_length; in SMB2_sess_auth_rawntlmssp_authenticate()
1838 rsp = (struct smb2_sess_setup_rsp *)sess_data->iov[0].iov_base; in SMB2_sess_auth_rawntlmssp_authenticate()
1840 spin_lock(&ses->ses_lock); in SMB2_sess_auth_rawntlmssp_authenticate()
1841 is_binding = (ses->ses_status == SES_GOOD); in SMB2_sess_auth_rawntlmssp_authenticate()
1842 spin_unlock(&ses->ses_lock); in SMB2_sess_auth_rawntlmssp_authenticate()
1846 ses->Suid = le64_to_cpu(rsp->hdr.SessionId); in SMB2_sess_auth_rawntlmssp_authenticate()
1847 ses->session_flags = le16_to_cpu(rsp->SessionFlags); in SMB2_sess_auth_rawntlmssp_authenticate()
1852 if (ses->server->dialect < SMB30_PROT_ID) { in SMB2_sess_auth_rawntlmssp_authenticate()
1858 cifs_dbg(VFS, "Session Id %*ph\n", (int)sizeof(ses->Suid), in SMB2_sess_auth_rawntlmssp_authenticate()
1859 &ses->Suid); in SMB2_sess_auth_rawntlmssp_authenticate()
1861 SMB2_NTLMV2_SESSKEY_SIZE, ses->auth_key.response); in SMB2_sess_auth_rawntlmssp_authenticate()
1863 SMB3_SIGN_KEY_SIZE, ses->auth_key.response); in SMB2_sess_auth_rawntlmssp_authenticate()
1869 kfree_sensitive(ses->ntlmssp); in SMB2_sess_auth_rawntlmssp_authenticate()
1870 ses->ntlmssp = NULL; in SMB2_sess_auth_rawntlmssp_authenticate()
1871 sess_data->result = rc; in SMB2_sess_auth_rawntlmssp_authenticate()
1872 sess_data->func = NULL; in SMB2_sess_auth_rawntlmssp_authenticate()
1879 struct cifs_ses *ses = sess_data->ses; in SMB2_select_sec()
1880 struct TCP_Server_Info *server = sess_data->server; in SMB2_select_sec()
1882 type = smb2_select_sectype(server, ses->sectype); in SMB2_select_sec()
1886 return -EINVAL; in SMB2_select_sec()
1891 sess_data->func = SMB2_auth_kerberos; in SMB2_select_sec()
1894 sess_data->func = SMB2_sess_auth_rawntlmssp_negotiate; in SMB2_select_sec()
1898 return -EOPNOTSUPP; in SMB2_select_sec()
1916 return -EIO; in SMB2_sess_setup()
1921 return -ENOMEM; in SMB2_sess_setup()
1923 sess_data->xid = xid; in SMB2_sess_setup()
1924 sess_data->ses = ses; in SMB2_sess_setup()
1925 sess_data->server = server; in SMB2_sess_setup()
1926 sess_data->buf0_type = CIFS_NO_BUFFER; in SMB2_sess_setup()
1927 sess_data->nls_cp = (struct nls_table *) nls_cp; in SMB2_sess_setup()
1928 sess_data->previous_session = ses->Suid; in SMB2_sess_setup()
1937 memcpy(ses->preauth_sha_hash, server->preauth_sha_hash, in SMB2_sess_setup()
1940 while (sess_data->func) in SMB2_sess_setup()
1941 sess_data->func(sess_data); in SMB2_sess_setup()
1943 if ((ses->session_flags & SMB2_SESSION_FLAG_IS_GUEST) && (ses->sign)) in SMB2_sess_setup()
1945 rc = sess_data->result; in SMB2_sess_setup()
1966 if (ses && (ses->server)) in SMB2_logoff()
1967 server = ses->server; in SMB2_logoff()
1969 return -EIO; in SMB2_logoff()
1972 spin_lock(&ses->chan_lock); in SMB2_logoff()
1974 spin_unlock(&ses->chan_lock); in SMB2_logoff()
1977 spin_unlock(&ses->chan_lock); in SMB2_logoff()
1979 rc = smb2_plain_req_init(SMB2_LOGOFF, NULL, ses->server, in SMB2_logoff()
1984 /* since no tcon, smb2_init can not do this, so do here */ in SMB2_logoff()
1985 req->hdr.SessionId = cpu_to_le64(ses->Suid); in SMB2_logoff()
1987 if (ses->session_flags & SMB2_SESSION_FLAG_ENCRYPT_DATA) in SMB2_logoff()
1989 else if (server->sign) in SMB2_logoff()
1990 req->hdr.Flags |= SMB2_FLAGS_SIGNED; in SMB2_logoff()
2001 rc = cifs_send_recv(xid, ses, ses->server, in SMB2_logoff()
2005 * No tcon so can't do in SMB2_logoff()
2006 * cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_fail[SMB2...]); in SMB2_logoff()
2013 static inline void cifs_stats_fail_inc(struct cifs_tcon *tcon, uint16_t code) in cifs_stats_fail_inc() argument
2015 cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_failed[code]); in cifs_stats_fail_inc()
2021 static inline void init_copy_chunk_defaults(struct cifs_tcon *tcon) in init_copy_chunk_defaults() argument
2023 tcon->max_chunks = 256; in init_copy_chunk_defaults()
2024 tcon->max_bytes_chunk = 1048576; in init_copy_chunk_defaults()
2025 tcon->max_bytes_copy = 16777216; in init_copy_chunk_defaults()
2030 struct cifs_tcon *tcon, const struct nls_table *cp) in SMB2_tcon() argument
2045 cifs_dbg(FYI, "TCON\n"); in SMB2_tcon()
2048 return -EIO; in SMB2_tcon()
2052 return -ENOMEM; in SMB2_tcon()
2057 return -EINVAL; in SMB2_tcon()
2062 tcon->tid = 0; in SMB2_tcon()
2063 atomic_set(&tcon->num_remote_opens, 0); in SMB2_tcon()
2064 rc = smb2_plain_req_init(SMB2_TREE_CONNECT, tcon, server, in SMB2_tcon()
2071 if (smb3_encryption_required(tcon)) in SMB2_tcon()
2076 iov[0].iov_len = total_len - 1; in SMB2_tcon()
2079 req->PathOffset = cpu_to_le16(sizeof(struct smb2_tree_connect_req)); in SMB2_tcon()
2080 req->PathLength = cpu_to_le16(unc_path_len); in SMB2_tcon()
2085 * 3.11 tcon req must be signed if not encrypted. See MS-SMB2 3.2.4.1.1 in SMB2_tcon()
2086 * unless it is guest or anonymous user. See MS-SMB2 3.2.5.3.1 in SMB2_tcon()
2089 if ((server->dialect == SMB311_PROT_ID) && in SMB2_tcon()
2090 !smb3_encryption_required(tcon) && in SMB2_tcon()
2091 !(ses->session_flags & in SMB2_tcon()
2093 ((ses->user_name != NULL) || (ses->sectype == Kerberos))) in SMB2_tcon()
2094 req->hdr.Flags |= SMB2_FLAGS_SIGNED; in SMB2_tcon()
2101 if (server->credits >= server->max_credits) in SMB2_tcon()
2102 req->hdr.CreditRequest = cpu_to_le16(0); in SMB2_tcon()
2104 req->hdr.CreditRequest = cpu_to_le16( in SMB2_tcon()
2105 min_t(int, server->max_credits - in SMB2_tcon()
2106 server->credits, 64)); in SMB2_tcon()
2112 trace_smb3_tcon(xid, tcon->tid, ses->Suid, tree, rc); in SMB2_tcon()
2114 cifs_stats_fail_inc(tcon, SMB2_TREE_CONNECT_HE); in SMB2_tcon()
2115 tcon->need_reconnect = true; in SMB2_tcon()
2119 switch (rsp->ShareType) { in SMB2_tcon()
2124 tcon->pipe = true; in SMB2_tcon()
2128 tcon->print = true; in SMB2_tcon()
2132 cifs_server_dbg(VFS, "unknown share type %d\n", rsp->ShareType); in SMB2_tcon()
2133 rc = -EOPNOTSUPP; in SMB2_tcon()
2137 tcon->share_flags = le32_to_cpu(rsp->ShareFlags); in SMB2_tcon()
2138 tcon->capabilities = rsp->Capabilities; /* we keep caps little endian */ in SMB2_tcon()
2139 tcon->maximal_access = le32_to_cpu(rsp->MaximalAccess); in SMB2_tcon()
2140 tcon->tid = le32_to_cpu(rsp->hdr.Id.SyncId.TreeId); in SMB2_tcon()
2141 strscpy(tcon->tree_name, tree, sizeof(tcon->tree_name)); in SMB2_tcon()
2143 if ((rsp->Capabilities & SMB2_SHARE_CAP_DFS) && in SMB2_tcon()
2144 ((tcon->share_flags & SHI1005_FLAGS_DFS) == 0)) in SMB2_tcon()
2147 if (tcon->seal && in SMB2_tcon()
2148 !(server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION)) in SMB2_tcon()
2151 init_copy_chunk_defaults(tcon); in SMB2_tcon()
2152 if (server->ops->validate_negotiate) in SMB2_tcon()
2153 rc = server->ops->validate_negotiate(xid, tcon); in SMB2_tcon()
2154 if (rc == 0) /* See MS-SMB2 2.2.10 and 3.2.5.5 */ in SMB2_tcon()
2155 if (tcon->share_flags & SMB2_SHAREFLAG_ISOLATED_TRANSPORT) in SMB2_tcon()
2156 server->nosharesock = true; in SMB2_tcon()
2164 if (rsp && rsp->hdr.Status == STATUS_BAD_NETWORK_NAME) in SMB2_tcon()
2170 SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon) in SMB2_tdis() argument
2175 struct cifs_ses *ses = tcon->ses; in SMB2_tdis()
2185 if (!ses || !(ses->server)) in SMB2_tdis()
2186 return -EIO; in SMB2_tdis()
2188 trace_smb3_tdis_enter(xid, tcon->tid, ses->Suid, tcon->tree_name); in SMB2_tdis()
2189 spin_lock(&ses->chan_lock); in SMB2_tdis()
2190 if ((tcon->need_reconnect) || in SMB2_tdis()
2191 (CIFS_ALL_CHANS_NEED_RECONNECT(tcon->ses))) { in SMB2_tdis()
2192 spin_unlock(&ses->chan_lock); in SMB2_tdis()
2195 spin_unlock(&ses->chan_lock); in SMB2_tdis()
2197 invalidate_all_cached_dirs(tcon); in SMB2_tdis()
2199 rc = smb2_plain_req_init(SMB2_TREE_DISCONNECT, tcon, server, in SMB2_tdis()
2205 if (smb3_encryption_required(tcon)) in SMB2_tdis()
2221 cifs_stats_fail_inc(tcon, SMB2_TREE_DISCONNECT_HE); in SMB2_tdis()
2222 trace_smb3_tdis_err(xid, tcon->tid, ses->Suid, rc); in SMB2_tdis()
2224 trace_smb3_tdis_done(xid, tcon->tid, ses->Suid); in SMB2_tdis()
2239 buf->ccontext.DataOffset = cpu_to_le16(offsetof in create_durable_buf()
2241 buf->ccontext.DataLength = cpu_to_le32(16); in create_durable_buf()
2242 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_durable_buf()
2244 buf->ccontext.NameLength = cpu_to_le16(4); in create_durable_buf()
2246 buf->Name[0] = 'D'; in create_durable_buf()
2247 buf->Name[1] = 'H'; in create_durable_buf()
2248 buf->Name[2] = 'n'; in create_durable_buf()
2249 buf->Name[3] = 'Q'; in create_durable_buf()
2262 buf->ccontext.DataOffset = cpu_to_le16(offsetof in create_reconnect_durable_buf()
2264 buf->ccontext.DataLength = cpu_to_le32(16); in create_reconnect_durable_buf()
2265 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_reconnect_durable_buf()
2267 buf->ccontext.NameLength = cpu_to_le16(4); in create_reconnect_durable_buf()
2268 buf->Data.Fid.PersistentFileId = fid->persistent_fid; in create_reconnect_durable_buf()
2269 buf->Data.Fid.VolatileFileId = fid->volatile_fid; in create_reconnect_durable_buf()
2271 buf->Name[0] = 'D'; in create_reconnect_durable_buf()
2272 buf->Name[1] = 'H'; in create_reconnect_durable_buf()
2273 buf->Name[2] = 'n'; in create_reconnect_durable_buf()
2274 buf->Name[3] = 'C'; in create_reconnect_durable_buf()
2284 pdisk_id->DiskFileId, pdisk_id->VolumeId); in parse_query_id_ctxt()
2285 buf->IndexNumber = pdisk_id->DiskFileId; in parse_query_id_ctxt()
2293 u8 *beg = (u8 *)cc + le16_to_cpu(cc->DataOffset); in parse_posix_ctxt()
2294 u8 *end = beg + le32_to_cpu(cc->DataLength); in parse_posix_ctxt()
2299 posix->nlink = le32_to_cpu(*(__le32 *)(beg + 0)); in parse_posix_ctxt()
2300 posix->reparse_tag = le32_to_cpu(*(__le32 *)(beg + 4)); in parse_posix_ctxt()
2301 posix->mode = le32_to_cpu(*(__le32 *)(beg + 8)); in parse_posix_ctxt()
2309 memcpy(&posix->owner, sid, sid_len); in parse_posix_ctxt()
2317 memcpy(&posix->group, sid, sid_len); in parse_posix_ctxt()
2320 posix->nlink, posix->mode, posix->reparse_tag); in parse_posix_ctxt()
2330 struct smb2_create_rsp *rsp = rsp_iov->iov_base; in smb2_parse_contexts()
2344 off = le32_to_cpu(rsp->CreateContextsOffset); in smb2_parse_contexts()
2345 rem = le32_to_cpu(rsp->CreateContextsLength); in smb2_parse_contexts()
2346 if (check_add_overflow(off, rem, &len) || len > rsp_iov->iov_len) in smb2_parse_contexts()
2347 return -EINVAL; in smb2_parse_contexts()
2352 buf->IndexNumber = 0; in smb2_parse_contexts()
2355 doff = le16_to_cpu(cc->DataOffset); in smb2_parse_contexts()
2356 dlen = le32_to_cpu(cc->DataLength); in smb2_parse_contexts()
2358 return -EINVAL; in smb2_parse_contexts()
2360 noff = le16_to_cpu(cc->NameOffset); in smb2_parse_contexts()
2361 nlen = le16_to_cpu(cc->NameLength); in smb2_parse_contexts()
2363 return -EINVAL; in smb2_parse_contexts()
2369 *oplock = server->ops->parse_lease_buf(cc, epoch, in smb2_parse_contexts()
2388 off = le32_to_cpu(cc->Next); in smb2_parse_contexts()
2392 return -EINVAL; in smb2_parse_contexts()
2396 if (rsp->OplockLevel != SMB2_OPLOCK_LEVEL_LEASE) in smb2_parse_contexts()
2397 *oplock = rsp->OplockLevel; in smb2_parse_contexts()
2410 iov[num].iov_base = server->ops->create_lease_buf(lease_key, *oplock); in add_lease_context()
2412 return -ENOMEM; in add_lease_context()
2413 iov[num].iov_len = server->vals->create_lease_size; in add_lease_context()
2414 req->RequestedOplockLevel = SMB2_OPLOCK_LEVEL_LEASE; in add_lease_context()
2422 struct cifs_fid *pfid = oparms->fid; in create_durable_v2_buf()
2429 buf->ccontext.DataOffset = cpu_to_le16(offsetof in create_durable_v2_buf()
2431 buf->ccontext.DataLength = cpu_to_le32(sizeof(struct durable_context_v2)); in create_durable_v2_buf()
2432 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_durable_v2_buf()
2434 buf->ccontext.NameLength = cpu_to_le16(4); in create_durable_v2_buf()
2443 buf->dcontext.Timeout = cpu_to_le32(oparms->tcon->handle_timeout); in create_durable_v2_buf()
2444 buf->dcontext.Flags = cpu_to_le32(SMB2_DHANDLE_FLAG_PERSISTENT); in create_durable_v2_buf()
2447 if (!oparms->replay) { in create_durable_v2_buf()
2448 generate_random_uuid(buf->dcontext.CreateGuid); in create_durable_v2_buf()
2449 memcpy(pfid->create_guid, buf->dcontext.CreateGuid, 16); in create_durable_v2_buf()
2451 memcpy(buf->dcontext.CreateGuid, pfid->create_guid, 16); in create_durable_v2_buf()
2454 buf->Name[0] = 'D'; in create_durable_v2_buf()
2455 buf->Name[1] = 'H'; in create_durable_v2_buf()
2456 buf->Name[2] = '2'; in create_durable_v2_buf()
2457 buf->Name[3] = 'Q'; in create_durable_v2_buf()
2471 buf->ccontext.DataOffset = in create_reconnect_durable_v2_buf()
2474 buf->ccontext.DataLength = in create_reconnect_durable_v2_buf()
2476 buf->ccontext.NameOffset = in create_reconnect_durable_v2_buf()
2479 buf->ccontext.NameLength = cpu_to_le16(4); in create_reconnect_durable_v2_buf()
2481 buf->dcontext.Fid.PersistentFileId = fid->persistent_fid; in create_reconnect_durable_v2_buf()
2482 buf->dcontext.Fid.VolatileFileId = fid->volatile_fid; in create_reconnect_durable_v2_buf()
2483 buf->dcontext.Flags = cpu_to_le32(SMB2_DHANDLE_FLAG_PERSISTENT); in create_reconnect_durable_v2_buf()
2484 memcpy(buf->dcontext.CreateGuid, fid->create_guid, 16); in create_reconnect_durable_v2_buf()
2487 buf->Name[0] = 'D'; in create_reconnect_durable_v2_buf()
2488 buf->Name[1] = 'H'; in create_reconnect_durable_v2_buf()
2489 buf->Name[2] = '2'; in create_reconnect_durable_v2_buf()
2490 buf->Name[3] = 'C'; in create_reconnect_durable_v2_buf()
2502 return -ENOMEM; in add_durable_v2_context()
2515 oparms->reconnect = false; in add_durable_reconnect_v2_context()
2517 iov[num].iov_base = create_reconnect_durable_v2_buf(oparms->fid); in add_durable_reconnect_v2_context()
2519 return -ENOMEM; in add_durable_reconnect_v2_context()
2532 if (oparms->reconnect) in add_durable_context()
2539 if (oparms->reconnect) { in add_durable_context()
2540 iov[num].iov_base = create_reconnect_durable_buf(oparms->fid); in add_durable_context()
2542 oparms->reconnect = false; in add_durable_context()
2546 return -ENOMEM; in add_durable_context()
2552 /* See MS-SMB2 2.2.13.2.7 */
2562 buf->ccontext.DataOffset = cpu_to_le16(offsetof in create_twarp_buf()
2564 buf->ccontext.DataLength = cpu_to_le32(8); in create_twarp_buf()
2565 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_twarp_buf()
2567 buf->ccontext.NameLength = cpu_to_le16(4); in create_twarp_buf()
2569 buf->Name[0] = 'T'; in create_twarp_buf()
2570 buf->Name[1] = 'W'; in create_twarp_buf()
2571 buf->Name[2] = 'r'; in create_twarp_buf()
2572 buf->Name[3] = 'p'; in create_twarp_buf()
2573 buf->Timestamp = cpu_to_le64(timewarp); in create_twarp_buf()
2577 /* See MS-SMB2 2.2.13.2.7 */
2585 return -ENOMEM; in add_twarp_context()
2591 /* See http://technet.microsoft.com/en-us/library/hh509017(v=ws.10).aspx */
2596 /* Populate the user ownership fields S-1-5-88-1 */ in setup_owner_group_sids()
2597 sids->owner.Revision = 1; in setup_owner_group_sids()
2598 sids->owner.NumAuth = 3; in setup_owner_group_sids()
2599 sids->owner.Authority[5] = 5; in setup_owner_group_sids()
2600 sids->owner.SubAuthorities[0] = cpu_to_le32(88); in setup_owner_group_sids()
2601 sids->owner.SubAuthorities[1] = cpu_to_le32(1); in setup_owner_group_sids()
2602 sids->owner.SubAuthorities[2] = cpu_to_le32(current_fsuid().val); in setup_owner_group_sids()
2604 /* Populate the group ownership fields S-1-5-88-2 */ in setup_owner_group_sids()
2605 sids->group.Revision = 1; in setup_owner_group_sids()
2606 sids->group.NumAuth = 3; in setup_owner_group_sids()
2607 sids->group.Authority[5] = 5; in setup_owner_group_sids()
2608 sids->group.SubAuthorities[0] = cpu_to_le32(88); in setup_owner_group_sids()
2609 sids->group.SubAuthorities[1] = cpu_to_le32(2); in setup_owner_group_sids()
2610 sids->group.SubAuthorities[2] = cpu_to_le32(current_fsgid().val); in setup_owner_group_sids()
2612 …cifs_dbg(FYI, "owner S-1-5-88-1-%d, group S-1-5-88-2-%d\n", current_fsuid().val, current_fsgid().v… in setup_owner_group_sids()
2615 /* See MS-SMB2 2.2.13.2.2 and MS-DTYP 2.4.6 */
2640 owner_offset = ptr - (__u8 *)&buf->sd; in create_sd_buf()
2641 buf->sd.OffsetOwner = cpu_to_le32(owner_offset); in create_sd_buf()
2643 buf->sd.OffsetGroup = cpu_to_le32(group_offset); in create_sd_buf()
2648 buf->sd.OffsetOwner = 0; in create_sd_buf()
2649 buf->sd.OffsetGroup = 0; in create_sd_buf()
2652 buf->ccontext.DataOffset = cpu_to_le16(offsetof(struct crt_sd_ctxt, sd)); in create_sd_buf()
2653 buf->ccontext.NameOffset = cpu_to_le16(offsetof(struct crt_sd_ctxt, Name)); in create_sd_buf()
2654 buf->ccontext.NameLength = cpu_to_le16(4); in create_sd_buf()
2656 buf->Name[0] = 'S'; in create_sd_buf()
2657 buf->Name[1] = 'e'; in create_sd_buf()
2658 buf->Name[2] = 'c'; in create_sd_buf()
2659 buf->Name[3] = 'D'; in create_sd_buf()
2660 buf->sd.Revision = 1; /* Must be one see MS-DTYP 2.4.6 */ in create_sd_buf()
2666 buf->sd.Control = cpu_to_le16(ACL_CONTROL_SR | ACL_CONTROL_DP); in create_sd_buf()
2669 buf->sd.OffsetDacl = cpu_to_le32(ptr - (__u8 *)&buf->sd); in create_sd_buf()
2694 acl.AclRevision = ACL_REVISION; /* See 2.4.4.1 of MS-DTYP */ in create_sd_buf()
2700 buf->ccontext.DataLength = cpu_to_le32(ptr - (__u8 *)&buf->sd); in create_sd_buf()
2701 *len = round_up((unsigned int)(ptr - (__u8 *)buf), 8); in create_sd_buf()
2714 return -ENOMEM; in add_sd_context()
2729 buf->ccontext.DataOffset = cpu_to_le16(0); in create_query_id_buf()
2730 buf->ccontext.DataLength = cpu_to_le32(0); in create_query_id_buf()
2731 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_query_id_buf()
2733 buf->ccontext.NameLength = cpu_to_le16(4); in create_query_id_buf()
2735 buf->Name[0] = 'Q'; in create_query_id_buf()
2736 buf->Name[1] = 'F'; in create_query_id_buf()
2737 buf->Name[2] = 'i'; in create_query_id_buf()
2738 buf->Name[3] = 'd'; in create_query_id_buf()
2742 /* See MS-SMB2 2.2.13.2.9 */
2750 return -ENOMEM; in add_query_id_context()
2759 struct kvec *iov = oparms->ea_cctx; in add_ea_context()
2761 if (iov && iov->iov_base && iov->iov_len) { in add_ea_context()
2780 return -EINVAL; in alloc_path_with_tree_prefix()
2783 treename_len -= 2; in alloc_path_with_tree_prefix()
2791 * final path needs to be 8-byte aligned as specified in in alloc_path_with_tree_prefix()
2792 * MS-SMB2 2.2.13 SMB2 CREATE Request. in alloc_path_with_tree_prefix()
2797 return -ENOMEM; in alloc_path_with_tree_prefix()
2814 umode_t mode, struct cifs_tcon *tcon, in smb311_posix_mkdir() argument
2821 struct cifs_ses *ses = tcon->ses; in smb311_posix_mkdir()
2849 return -ENOMEM; in smb311_posix_mkdir()
2852 rc = -EIO; in smb311_posix_mkdir()
2857 rc = smb2_plain_req_init(SMB2_CREATE, tcon, server, in smb311_posix_mkdir()
2863 if (smb3_encryption_required(tcon)) in smb311_posix_mkdir()
2866 req->ImpersonationLevel = IL_IMPERSONATION; in smb311_posix_mkdir()
2867 req->DesiredAccess = cpu_to_le32(FILE_WRITE_ATTRIBUTES); in smb311_posix_mkdir()
2869 req->FileAttributes = cpu_to_le32(file_attributes); in smb311_posix_mkdir()
2870 req->ShareAccess = FILE_SHARE_ALL_LE; in smb311_posix_mkdir()
2871 req->CreateDisposition = cpu_to_le32(FILE_CREATE); in smb311_posix_mkdir()
2872 req->CreateOptions = cpu_to_le32(CREATE_NOT_FILE); in smb311_posix_mkdir()
2875 /* -1 since last byte is buf[0] which is sent below (path) */ in smb311_posix_mkdir()
2876 iov[0].iov_len = total_len - 1; in smb311_posix_mkdir()
2878 req->NameOffset = cpu_to_le16(sizeof(struct smb2_create_req)); in smb311_posix_mkdir()
2880 /* [MS-SMB2] 2.2.13 NameOffset: in smb311_posix_mkdir()
2888 if (tcon->share_flags & SHI1005_FLAGS_DFS) { in smb311_posix_mkdir()
2891 req->hdr.Flags |= SMB2_FLAGS_DFS_OPERATIONS; in smb311_posix_mkdir()
2894 tcon->tree_name, utf16_path); in smb311_posix_mkdir()
2898 req->NameLength = cpu_to_le16(name_len * 2); in smb311_posix_mkdir()
2906 req->NameLength = cpu_to_le16(uni_path_len - 2); in smb311_posix_mkdir()
2911 rc = -ENOMEM; in smb311_posix_mkdir()
2925 req->RequestedOplockLevel = SMB2_OPLOCK_LEVEL_NONE; in smb311_posix_mkdir()
2927 if (tcon->posix_extensions) { in smb311_posix_mkdir()
2932 req->CreateContextsOffset = cpu_to_le32( in smb311_posix_mkdir()
2935 pc_buf = iov[n_iov-1].iov_base; in smb311_posix_mkdir()
2944 trace_smb3_posix_mkdir_enter(xid, tcon->tid, ses->Suid, full_path, CREATE_NOT_FILE, in smb311_posix_mkdir()
2954 cifs_stats_fail_inc(tcon, SMB2_CREATE_HE); in smb311_posix_mkdir()
2955 trace_smb3_posix_mkdir_err(xid, tcon->tid, ses->Suid, in smb311_posix_mkdir()
2968 rc = -EIO; in smb311_posix_mkdir()
2973 trace_smb3_posix_mkdir_done(xid, rsp->PersistentFileId, tcon->tid, ses->Suid, in smb311_posix_mkdir()
2976 SMB2_close(xid, tcon, rsp->PersistentFileId, rsp->VolatileFileId); in smb311_posix_mkdir()
2989 smb2_should_replay(tcon, &retries, &cur_sleep)) in smb311_posix_mkdir()
2996 SMB2_open_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_open_init() argument
3006 struct kvec *iov = rqst->rq_iov; in SMB2_open_init()
3010 rc = smb2_plain_req_init(SMB2_CREATE, tcon, server, in SMB2_open_init()
3016 /* -1 since last byte is buf[0] which is sent below (path) */ in SMB2_open_init()
3017 iov[0].iov_len = total_len - 1; in SMB2_open_init()
3019 if (oparms->create_options & CREATE_OPTION_READONLY) in SMB2_open_init()
3021 if (oparms->create_options & CREATE_OPTION_SPECIAL) in SMB2_open_init()
3024 req->ImpersonationLevel = IL_IMPERSONATION; in SMB2_open_init()
3025 req->DesiredAccess = cpu_to_le32(oparms->desired_access); in SMB2_open_init()
3027 req->FileAttributes = cpu_to_le32(file_attributes); in SMB2_open_init()
3028 req->ShareAccess = FILE_SHARE_ALL_LE; in SMB2_open_init()
3030 req->CreateDisposition = cpu_to_le32(oparms->disposition); in SMB2_open_init()
3031 req->CreateOptions = cpu_to_le32(oparms->create_options & CREATE_OPTIONS_MASK); in SMB2_open_init()
3032 req->NameOffset = cpu_to_le16(sizeof(struct smb2_create_req)); in SMB2_open_init()
3034 /* [MS-SMB2] 2.2.13 NameOffset: in SMB2_open_init()
3042 if (tcon->share_flags & SHI1005_FLAGS_DFS) { in SMB2_open_init()
3045 req->hdr.Flags |= SMB2_FLAGS_DFS_OPERATIONS; in SMB2_open_init()
3048 tcon->tree_name, path); in SMB2_open_init()
3051 req->NameLength = cpu_to_le16(name_len * 2); in SMB2_open_init()
3057 req->NameLength = cpu_to_le16(uni_path_len - 2); in SMB2_open_init()
3061 return -ENOMEM; in SMB2_open_init()
3071 if ((!server->oplocks) || (tcon->no_lease)) in SMB2_open_init()
3074 if (!(server->capabilities & SMB2_GLOBAL_CAP_LEASING) || in SMB2_open_init()
3076 req->RequestedOplockLevel = *oplock; in SMB2_open_init()
3077 else if (!(server->capabilities & SMB2_GLOBAL_CAP_DIRECTORY_LEASING) && in SMB2_open_init()
3078 (oparms->create_options & CREATE_NOT_FILE)) in SMB2_open_init()
3079 req->RequestedOplockLevel = *oplock; /* no srv lease support */ in SMB2_open_init()
3082 oparms->fid->lease_key, oplock); in SMB2_open_init()
3089 tcon->use_persistent); in SMB2_open_init()
3094 if (tcon->posix_extensions) { in SMB2_open_init()
3095 rc = add_posix_context(iov, &n_iov, oparms->mode); in SMB2_open_init()
3100 if (tcon->snapshot_time) { in SMB2_open_init()
3102 rc = add_twarp_context(iov, &n_iov, tcon->snapshot_time); in SMB2_open_init()
3107 if ((oparms->disposition != FILE_OPEN) && (oparms->cifs_sb)) { in SMB2_open_init()
3111 if ((oparms->cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MODE_FROM_SID) && in SMB2_open_init()
3112 (oparms->mode != ACL_NO_MODE)) in SMB2_open_init()
3116 oparms->mode = ACL_NO_MODE; in SMB2_open_init()
3119 if (oparms->cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UID_FROM_ACL) in SMB2_open_init()
3125 cifs_dbg(FYI, "add sd with mode 0x%x\n", oparms->mode); in SMB2_open_init()
3126 rc = add_sd_context(iov, &n_iov, oparms->mode, set_owner); in SMB2_open_init()
3140 req->CreateContextsOffset = cpu_to_le32( in SMB2_open_init()
3143 req->CreateContextsLength = 0; in SMB2_open_init()
3145 for (unsigned int i = 2; i < (n_iov-1); i++) { in SMB2_open_init()
3147 size_t len = v->iov_len; in SMB2_open_init()
3149 (struct create_context *)v->iov_base; in SMB2_open_init()
3151 cctx->Next = cpu_to_le32(len); in SMB2_open_init()
3152 le32_add_cpu(&req->CreateContextsLength, len); in SMB2_open_init()
3154 le32_add_cpu(&req->CreateContextsLength, in SMB2_open_init()
3155 iov[n_iov-1].iov_len); in SMB2_open_init()
3158 rqst->rq_nvec = n_iov; in SMB2_open_init()
3170 if (rqst && rqst->rq_iov) { in SMB2_open_free()
3171 cifs_small_buf_release(rqst->rq_iov[0].iov_base); in SMB2_open_free()
3172 for (i = 1; i < rqst->rq_nvec; i++) in SMB2_open_free()
3173 if (rqst->rq_iov[i].iov_base != smb2_padding) in SMB2_open_free()
3174 kfree(rqst->rq_iov[i].iov_base); in SMB2_open_free()
3186 struct cifs_tcon *tcon = oparms->tcon; in SMB2_open() local
3187 struct cifs_ses *ses = tcon->ses; in SMB2_open()
3200 oparms->replay = !!(retries); in SMB2_open()
3204 return -EIO; in SMB2_open()
3206 if (smb3_encryption_required(tcon)) in SMB2_open()
3214 rc = SMB2_open_init(tcon, server, in SMB2_open()
3219 trace_smb3_open_enter(xid, tcon->tid, tcon->ses->Suid, oparms->path, in SMB2_open()
3220 oparms->create_options, oparms->desired_access); in SMB2_open()
3231 cifs_stats_fail_inc(tcon, SMB2_CREATE_HE); in SMB2_open()
3238 trace_smb3_open_err(xid, tcon->tid, ses->Suid, in SMB2_open()
3239 oparms->create_options, oparms->desired_access, rc); in SMB2_open()
3240 if (rc == -EREMCHG) { in SMB2_open()
3242 tcon->tree_name); in SMB2_open()
3243 tcon->need_reconnect = true; in SMB2_open()
3249 trace_smb3_open_done(xid, rsp->PersistentFileId, tcon->tid, ses->Suid, in SMB2_open()
3250 oparms->create_options, oparms->desired_access); in SMB2_open()
3252 atomic_inc(&tcon->num_remote_opens); in SMB2_open()
3253 oparms->fid->persistent_fid = rsp->PersistentFileId; in SMB2_open()
3254 oparms->fid->volatile_fid = rsp->VolatileFileId; in SMB2_open()
3255 oparms->fid->access = oparms->desired_access; in SMB2_open()
3257 oparms->fid->mid = le64_to_cpu(rsp->hdr.MessageId); in SMB2_open()
3261 buf->CreationTime = rsp->CreationTime; in SMB2_open()
3262 buf->LastAccessTime = rsp->LastAccessTime; in SMB2_open()
3263 buf->LastWriteTime = rsp->LastWriteTime; in SMB2_open()
3264 buf->ChangeTime = rsp->ChangeTime; in SMB2_open()
3265 buf->AllocationSize = rsp->AllocationSize; in SMB2_open()
3266 buf->EndOfFile = rsp->EndofFile; in SMB2_open()
3267 buf->Attributes = rsp->FileAttributes; in SMB2_open()
3268 buf->NumberOfLinks = cpu_to_le32(1); in SMB2_open()
3269 buf->DeletePending = 0; in SMB2_open()
3273 rc = smb2_parse_contexts(server, &rsp_iov, &oparms->fid->epoch, in SMB2_open()
3274 oparms->fid->lease_key, oplock, buf, posix); in SMB2_open()
3280 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_open()
3287 SMB2_ioctl_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_ioctl_init() argument
3294 struct kvec *iov = rqst->rq_iov; in SMB2_ioctl_init()
3299 rc = smb2_ioctl_req_init(opcode, tcon, server, in SMB2_ioctl_init()
3307 if (WARN_ON_ONCE(smb3_encryption_required(tcon) && in SMB2_ioctl_init()
3308 (check_add_overflow(total_len - 1, in SMB2_ioctl_init()
3312 return -EIO; in SMB2_ioctl_init()
3321 return -ENOMEM; in SMB2_ioctl_init()
3325 req->CtlCode = cpu_to_le32(opcode); in SMB2_ioctl_init()
3326 req->PersistentFileId = persistent_fid; in SMB2_ioctl_init()
3327 req->VolatileFileId = volatile_fid; in SMB2_ioctl_init()
3339 req->InputCount = cpu_to_le32(indatalen); in SMB2_ioctl_init()
3341 req->InputOffset = in SMB2_ioctl_init()
3343 rqst->rq_nvec = 2; in SMB2_ioctl_init()
3344 iov[0].iov_len = total_len - 1; in SMB2_ioctl_init()
3348 rqst->rq_nvec = 1; in SMB2_ioctl_init()
3352 req->OutputOffset = 0; in SMB2_ioctl_init()
3353 req->OutputCount = 0; /* MBZ */ in SMB2_ioctl_init()
3370 req->MaxOutputResponse = cpu_to_le32(max_response_size); in SMB2_ioctl_init()
3371 req->hdr.CreditCharge = in SMB2_ioctl_init()
3375 req->Flags = cpu_to_le32(SMB2_0_IOCTL_IS_FSCTL); in SMB2_ioctl_init()
3377 /* validate negotiate request must be signed - see MS-SMB2 3.2.5.5 */ in SMB2_ioctl_init()
3379 req->hdr.Flags |= SMB2_FLAGS_SIGNED; in SMB2_ioctl_init()
3389 if (rqst && rqst->rq_iov) { in SMB2_ioctl_free()
3390 cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_ioctl_free()
3391 for (i = 1; i < rqst->rq_nvec; i++) in SMB2_ioctl_free()
3392 if (rqst->rq_iov[i].iov_base != smb2_padding) in SMB2_ioctl_free()
3393 kfree(rqst->rq_iov[i].iov_base); in SMB2_ioctl_free()
3402 SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, in SMB2_ioctl() argument
3418 if (!tcon) in SMB2_ioctl()
3419 return -EIO; in SMB2_ioctl()
3421 ses = tcon->ses; in SMB2_ioctl()
3423 return -EIO; in SMB2_ioctl()
3431 return -EIO; in SMB2_ioctl()
3442 if (smb3_encryption_required(tcon)) in SMB2_ioctl()
3450 rc = SMB2_ioctl_init(tcon, server, in SMB2_ioctl()
3465 trace_smb3_fsctl_err(xid, persistent_fid, tcon->tid, in SMB2_ioctl()
3466 ses->Suid, 0, opcode, rc); in SMB2_ioctl()
3468 if ((rc != 0) && (rc != -EINVAL) && (rc != -E2BIG)) { in SMB2_ioctl()
3469 cifs_stats_fail_inc(tcon, SMB2_IOCTL_HE); in SMB2_ioctl()
3471 } else if (rc == -EINVAL) { in SMB2_ioctl()
3474 cifs_stats_fail_inc(tcon, SMB2_IOCTL_HE); in SMB2_ioctl()
3477 } else if (rc == -E2BIG) { in SMB2_ioctl()
3479 cifs_stats_fail_inc(tcon, SMB2_IOCTL_HE); in SMB2_ioctl()
3494 rc = -EIO; in SMB2_ioctl()
3498 *plen = le32_to_cpu(rsp->OutputCount); in SMB2_ioctl()
3506 rc = -EIO; in SMB2_ioctl()
3510 if (rsp_iov.iov_len - *plen < le32_to_cpu(rsp->OutputOffset)) { in SMB2_ioctl()
3512 le32_to_cpu(rsp->OutputOffset)); in SMB2_ioctl()
3514 rc = -EIO; in SMB2_ioctl()
3518 *out_data = kmemdup((char *)rsp + le32_to_cpu(rsp->OutputOffset), in SMB2_ioctl()
3521 rc = -ENOMEM; in SMB2_ioctl()
3530 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_ioctl()
3541 SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_set_compression() argument
3551 rc = SMB2_ioctl(xid, tcon, persistent_fid, volatile_fid, in SMB2_set_compression()
3563 SMB2_close_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_close_init() argument
3568 struct kvec *iov = rqst->rq_iov; in SMB2_close_init()
3572 rc = smb2_plain_req_init(SMB2_CLOSE, tcon, server, in SMB2_close_init()
3577 req->PersistentFileId = persistent_fid; in SMB2_close_init()
3578 req->VolatileFileId = volatile_fid; in SMB2_close_init()
3580 req->Flags = SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB; in SMB2_close_init()
3582 req->Flags = 0; in SMB2_close_init()
3592 if (rqst && rqst->rq_iov) in SMB2_close_free()
3593 cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_close_free()
3597 __SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, in __SMB2_close() argument
3603 struct cifs_ses *ses = tcon->ses; in __SMB2_close()
3622 return -EIO; in __SMB2_close()
3624 if (smb3_encryption_required(tcon)) in __SMB2_close()
3636 trace_smb3_close_enter(xid, persistent_fid, tcon->tid, ses->Suid); in __SMB2_close()
3637 rc = SMB2_close_init(tcon, server, in __SMB2_close()
3651 cifs_stats_fail_inc(tcon, SMB2_CLOSE_HE); in __SMB2_close()
3652 trace_smb3_close_err(xid, persistent_fid, tcon->tid, ses->Suid, in __SMB2_close()
3656 trace_smb3_close_done(xid, persistent_fid, tcon->tid, in __SMB2_close()
3657 ses->Suid); in __SMB2_close()
3659 memcpy(&pbuf->network_open_info, in __SMB2_close()
3660 &rsp->network_open_info, in __SMB2_close()
3661 sizeof(pbuf->network_open_info)); in __SMB2_close()
3662 atomic_dec(&tcon->num_remote_opens); in __SMB2_close()
3673 tmp_rc = smb2_handle_cancelled_close(tcon, persistent_fid, in __SMB2_close()
3681 smb2_should_replay(tcon, &retries, &cur_sleep)) in __SMB2_close()
3688 SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_close() argument
3691 return __SMB2_close(xid, tcon, persistent_fid, volatile_fid, NULL); in SMB2_close()
3698 unsigned int smb_len = iov->iov_len; in smb2_validate_iov()
3699 char *end_of_smb = smb_len + (char *)iov->iov_base; in smb2_validate_iov()
3700 char *begin_of_buf = offset + (char *)iov->iov_base; in smb2_validate_iov()
3707 return -EINVAL; in smb2_validate_iov()
3714 return -EINVAL; in smb2_validate_iov()
3719 return -EINVAL; in smb2_validate_iov()
3734 char *begin_of_buf = offset + (char *)iov->iov_base; in smb2_validate_and_copy_iov()
3738 return -EINVAL; in smb2_validate_and_copy_iov()
3750 SMB2_query_info_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_query_info_init() argument
3757 struct kvec *iov = rqst->rq_iov; in SMB2_query_info_init()
3764 return -EINVAL; in SMB2_query_info_init()
3766 rc = smb2_plain_req_init(SMB2_QUERY_INFO, tcon, server, in SMB2_query_info_init()
3771 req->InfoType = info_type; in SMB2_query_info_init()
3772 req->FileInfoClass = info_class; in SMB2_query_info_init()
3773 req->PersistentFileId = persistent_fid; in SMB2_query_info_init()
3774 req->VolatileFileId = volatile_fid; in SMB2_query_info_init()
3775 req->AdditionalInformation = cpu_to_le32(additional_info); in SMB2_query_info_init()
3777 req->OutputBufferLength = cpu_to_le32(output_len); in SMB2_query_info_init()
3779 req->InputBufferLength = cpu_to_le32(input_len); in SMB2_query_info_init()
3781 req->InputBufferOffset = cpu_to_le16(total_len - 1); in SMB2_query_info_init()
3782 memcpy(req->Buffer, input, input_len); in SMB2_query_info_init()
3794 if (rqst && rqst->rq_iov) in SMB2_query_info_free()
3795 cifs_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_query_info_free()
3799 query_info(const unsigned int xid, struct cifs_tcon *tcon, in query_info() argument
3810 struct cifs_ses *ses = tcon->ses; in query_info()
3819 return -EIO; in query_info()
3828 return -EIO; in query_info()
3830 if (smb3_encryption_required(tcon)) in query_info()
3838 rc = SMB2_query_info_init(tcon, server, in query_info()
3845 trace_smb3_query_info_enter(xid, persistent_fid, tcon->tid, in query_info()
3846 ses->Suid, info_class, (__u32)info_type); in query_info()
3856 cifs_stats_fail_inc(tcon, SMB2_QUERY_INFO_HE); in query_info()
3857 trace_smb3_query_info_err(xid, persistent_fid, tcon->tid, in query_info()
3858 ses->Suid, info_class, (__u32)info_type, rc); in query_info()
3862 trace_smb3_query_info_done(xid, persistent_fid, tcon->tid, in query_info()
3863 ses->Suid, info_class, (__u32)info_type); in query_info()
3866 *dlen = le32_to_cpu(rsp->OutputBufferLength); in query_info()
3874 rc = -ENOMEM; in query_info()
3881 rc = smb2_validate_and_copy_iov(le16_to_cpu(rsp->OutputBufferOffset), in query_info()
3882 le32_to_cpu(rsp->OutputBufferLength), in query_info()
3895 smb2_should_replay(tcon, &retries, &cur_sleep)) in query_info()
3901 int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_query_info() argument
3904 return query_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_query_info()
3914 SMB311_posix_query_info(const unsigned int xid, struct cifs_tcon *tcon,
3921 return query_info(xid, tcon, persistent_fid, volatile_fid,
3929 SMB2_query_acl(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_query_acl() argument
3937 return query_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_query_acl()
3943 SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_get_srv_num() argument
3946 return query_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_get_srv_num()
3955 * See MS-SMB2 2.2.35 and 2.2.36
3960 struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_notify_init() argument
3965 struct kvec *iov = rqst->rq_iov; in SMB2_notify_init()
3969 rc = smb2_plain_req_init(SMB2_CHANGE_NOTIFY, tcon, server, in SMB2_notify_init()
3974 req->PersistentFileId = persistent_fid; in SMB2_notify_init()
3975 req->VolatileFileId = volatile_fid; in SMB2_notify_init()
3976 /* See note 354 of MS-SMB2, 64K max */ in SMB2_notify_init()
3977 req->OutputBufferLength = in SMB2_notify_init()
3978 cpu_to_le32(SMB2_MAX_BUFFER_SIZE - MAX_SMB2_HDR_SIZE); in SMB2_notify_init()
3979 req->CompletionFilter = cpu_to_le32(completion_filter); in SMB2_notify_init()
3981 req->Flags = cpu_to_le16(SMB2_WATCH_TREE); in SMB2_notify_init()
3983 req->Flags = 0; in SMB2_notify_init()
3992 SMB2_change_notify(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_change_notify() argument
3997 struct cifs_ses *ses = tcon->ses; in SMB2_change_notify()
4015 return -EIO; in SMB2_change_notify()
4017 if (smb3_encryption_required(tcon)) in SMB2_change_notify()
4028 rc = SMB2_notify_init(xid, &rqst, tcon, server, in SMB2_change_notify()
4034 trace_smb3_notify_enter(xid, persistent_fid, tcon->tid, ses->Suid, in SMB2_change_notify()
4044 cifs_stats_fail_inc(tcon, SMB2_CHANGE_NOTIFY_HE); in SMB2_change_notify()
4045 trace_smb3_notify_err(xid, persistent_fid, tcon->tid, ses->Suid, in SMB2_change_notify()
4048 trace_smb3_notify_done(xid, persistent_fid, tcon->tid, in SMB2_change_notify()
4049 ses->Suid, (u8)watch_tree, completion_filter); in SMB2_change_notify()
4057 smb2_validate_iov(le16_to_cpu(smb_rsp->OutputBufferOffset), in SMB2_change_notify()
4058 le32_to_cpu(smb_rsp->OutputBufferLength), &rsp_iov, in SMB2_change_notify()
4061 *out_data = kmemdup((char *)smb_rsp + le16_to_cpu(smb_rsp->OutputBufferOffset), in SMB2_change_notify()
4062 le32_to_cpu(smb_rsp->OutputBufferLength), GFP_KERNEL); in SMB2_change_notify()
4064 rc = -ENOMEM; in SMB2_change_notify()
4067 *plen = le32_to_cpu(smb_rsp->OutputBufferLength); in SMB2_change_notify()
4076 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_change_notify()
4085 * This is a no-op for now. We're not really interested in the reply, but
4086 * rather in the fact that the server sent one and that server->lstrp
4094 struct TCP_Server_Info *server = mid->callback_data; in smb2_echo_callback()
4095 struct smb2_echo_rsp *rsp = (struct smb2_echo_rsp *)mid->resp_buf; in smb2_echo_callback()
4098 if (mid->mid_state == MID_RESPONSE_RECEIVED in smb2_echo_callback()
4099 || mid->mid_state == MID_RESPONSE_MALFORMED) { in smb2_echo_callback()
4100 credits.value = le16_to_cpu(rsp->hdr.CreditRequest); in smb2_echo_callback()
4101 credits.instance = server->reconnect_instance; in smb2_echo_callback()
4114 struct cifs_tcon *tcon, *tcon2; in smb2_reconnect_server() local
4123 if (!server->srv_count) { in smb2_reconnect_server()
4127 server->srv_count++; in smb2_reconnect_server()
4130 /* If server is a channel, select the primary channel */ in smb2_reconnect_server()
4131 pserver = SERVER_IS_CHAN(server) ? server->primary_server : server; in smb2_reconnect_server()
4133 /* Prevent simultaneous reconnects that can corrupt tcon->rlist list */ in smb2_reconnect_server()
4134 mutex_lock(&pserver->reconnect_mutex); in smb2_reconnect_server()
4137 if (server->terminate) { in smb2_reconnect_server()
4139 mutex_unlock(&pserver->reconnect_mutex); in smb2_reconnect_server()
4148 list_for_each_entry(ses, &pserver->smb_ses_list, smb_ses_list) { in smb2_reconnect_server()
4149 spin_lock(&ses->ses_lock); in smb2_reconnect_server()
4150 if (ses->ses_status == SES_EXITING) { in smb2_reconnect_server()
4151 spin_unlock(&ses->ses_lock); in smb2_reconnect_server()
4154 spin_unlock(&ses->ses_lock); in smb2_reconnect_server()
4158 list_for_each_entry(tcon, &ses->tcon_list, tcon_list) { in smb2_reconnect_server()
4159 if (tcon->need_reconnect || tcon->need_reopen_files) { in smb2_reconnect_server()
4160 tcon->tc_count++; in smb2_reconnect_server()
4161 trace_smb3_tcon_ref(tcon->debug_id, tcon->tc_count, in smb2_reconnect_server()
4163 list_add_tail(&tcon->rlist, &tmp_list); in smb2_reconnect_server()
4171 if (ses->tcon_ipc && ses->tcon_ipc->need_reconnect) { in smb2_reconnect_server()
4172 list_add_tail(&ses->tcon_ipc->rlist, &tmp_list); in smb2_reconnect_server()
4177 * handle the case where channel needs to reconnect in smb2_reconnect_server()
4178 * binding session, but tcon is healthy (some other channel in smb2_reconnect_server()
4181 spin_lock(&ses->chan_lock); in smb2_reconnect_server()
4183 list_add_tail(&ses->rlist, &tmp_ses_list); in smb2_reconnect_server()
4187 spin_unlock(&ses->chan_lock); in smb2_reconnect_server()
4191 list_for_each_entry_safe(tcon, tcon2, &tmp_list, rlist) { in smb2_reconnect_server()
4192 rc = smb2_reconnect(SMB2_INTERNAL_CMD, tcon, server, true); in smb2_reconnect_server()
4194 cifs_reopen_persistent_handles(tcon); in smb2_reconnect_server()
4197 list_del_init(&tcon->rlist); in smb2_reconnect_server()
4198 if (tcon->ipc) in smb2_reconnect_server()
4199 cifs_put_smb_ses(tcon->ses); in smb2_reconnect_server()
4201 cifs_put_tcon(tcon, netfs_trace_tcon_ref_put_reconnect_server); in smb2_reconnect_server()
4207 /* allocate a dummy tcon struct used for reconnect */ in smb2_reconnect_server()
4208 tcon = tcon_info_alloc(false, netfs_trace_tcon_ref_new_reconnect_server); in smb2_reconnect_server()
4209 if (!tcon) { in smb2_reconnect_server()
4212 list_del_init(&ses->rlist); in smb2_reconnect_server()
4218 tcon->status = TID_GOOD; in smb2_reconnect_server()
4219 tcon->retry = false; in smb2_reconnect_server()
4220 tcon->need_reconnect = false; in smb2_reconnect_server()
4224 tcon->ses = ses; in smb2_reconnect_server()
4225 rc = smb2_reconnect(SMB2_INTERNAL_CMD, tcon, server, true); in smb2_reconnect_server()
4228 list_del_init(&ses->rlist); in smb2_reconnect_server()
4231 tconInfoFree(tcon, netfs_trace_tcon_ref_free_reconnect_server); in smb2_reconnect_server()
4236 queue_delayed_work(cifsiod_wq, &server->reconnect, 2 * HZ); in smb2_reconnect_server()
4237 mutex_unlock(&pserver->reconnect_mutex); in smb2_reconnect_server()
4253 cifs_dbg(FYI, "In echo request for conn_id %lld\n", server->conn_id); in SMB2_echo()
4255 spin_lock(&server->srv_lock); in SMB2_echo()
4256 if (server->ops->need_neg && in SMB2_echo()
4257 server->ops->need_neg(server)) { in SMB2_echo()
4258 spin_unlock(&server->srv_lock); in SMB2_echo()
4260 mod_delayed_work(cifsiod_wq, &server->reconnect, 0); in SMB2_echo()
4263 spin_unlock(&server->srv_lock); in SMB2_echo()
4270 req->hdr.CreditRequest = cpu_to_le16(1); in SMB2_echo()
4287 if (rqst && rqst->rq_iov) in SMB2_flush_free()
4288 cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_flush_free()
4293 struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_flush_init() argument
4297 struct kvec *iov = rqst->rq_iov; in SMB2_flush_init()
4301 rc = smb2_plain_req_init(SMB2_FLUSH, tcon, server, in SMB2_flush_init()
4306 req->PersistentFileId = persistent_fid; in SMB2_flush_init()
4307 req->VolatileFileId = volatile_fid; in SMB2_flush_init()
4316 SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, in SMB2_flush() argument
4319 struct cifs_ses *ses = tcon->ses; in SMB2_flush()
4335 if (!ses || !(ses->server)) in SMB2_flush()
4336 return -EIO; in SMB2_flush()
4338 if (smb3_encryption_required(tcon)) in SMB2_flush()
4346 rc = SMB2_flush_init(xid, &rqst, tcon, server, in SMB2_flush()
4351 trace_smb3_flush_enter(xid, persistent_fid, tcon->tid, ses->Suid); in SMB2_flush()
4360 cifs_stats_fail_inc(tcon, SMB2_FLUSH_HE); in SMB2_flush()
4361 trace_smb3_flush_err(xid, persistent_fid, tcon->tid, ses->Suid, in SMB2_flush()
4364 trace_smb3_flush_done(xid, persistent_fid, tcon->tid, in SMB2_flush()
4365 ses->Suid); in SMB2_flush()
4372 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_flush()
4381 struct TCP_Server_Info *server = io_parms->server; in smb3_use_rdma_offload()
4382 struct cifs_tcon *tcon = io_parms->tcon; in smb3_use_rdma_offload() local
4385 if (!server || !tcon) in smb3_use_rdma_offload()
4389 if (!server->rdma || !server->smbd_conn) in smb3_use_rdma_offload()
4393 if (server->sign) in smb3_use_rdma_offload()
4397 if (smb3_encryption_required(tcon)) in smb3_use_rdma_offload()
4401 if (io_parms->length < server->smbd_conn->rdma_readwrite_threshold) in smb3_use_rdma_offload()
4417 int rc = -EACCES; in smb2_new_read_req()
4420 struct TCP_Server_Info *server = io_parms->server; in smb2_new_read_req()
4422 rc = smb2_plain_req_init(SMB2_READ, io_parms->tcon, server, in smb2_new_read_req()
4428 return -ECONNABORTED; in smb2_new_read_req()
4430 shdr = &req->hdr; in smb2_new_read_req()
4431 shdr->Id.SyncId.ProcessId = cpu_to_le32(io_parms->pid); in smb2_new_read_req()
4433 req->PersistentFileId = io_parms->persistent_fid; in smb2_new_read_req()
4434 req->VolatileFileId = io_parms->volatile_fid; in smb2_new_read_req()
4435 req->ReadChannelInfoOffset = 0; /* reserved */ in smb2_new_read_req()
4436 req->ReadChannelInfoLength = 0; /* reserved */ in smb2_new_read_req()
4437 req->Channel = 0; /* reserved */ in smb2_new_read_req()
4438 req->MinimumCount = 0; in smb2_new_read_req()
4439 req->Length = cpu_to_le32(io_parms->length); in smb2_new_read_req()
4440 req->Offset = cpu_to_le64(io_parms->offset); in smb2_new_read_req()
4443 io_parms->persistent_fid, in smb2_new_read_req()
4444 io_parms->tcon->tid, io_parms->tcon->ses->Suid, in smb2_new_read_req()
4445 io_parms->offset, io_parms->length); in smb2_new_read_req()
4453 bool need_invalidate = server->dialect == SMB30_PROT_ID; in smb2_new_read_req()
4455 rdata->mr = smbd_register_mr(server->smbd_conn, &rdata->iter, in smb2_new_read_req()
4457 if (!rdata->mr) in smb2_new_read_req()
4458 return -EAGAIN; in smb2_new_read_req()
4460 req->Channel = SMB2_CHANNEL_RDMA_V1_INVALIDATE; in smb2_new_read_req()
4462 req->Channel = SMB2_CHANNEL_RDMA_V1; in smb2_new_read_req()
4463 req->ReadChannelInfoOffset = in smb2_new_read_req()
4465 req->ReadChannelInfoLength = in smb2_new_read_req()
4467 v1 = (struct smbd_buffer_descriptor_v1 *) &req->Buffer[0]; in smb2_new_read_req()
4468 v1->offset = cpu_to_le64(rdata->mr->mr->iova); in smb2_new_read_req()
4469 v1->token = cpu_to_le32(rdata->mr->mr->rkey); in smb2_new_read_req()
4470 v1->length = cpu_to_le32(rdata->mr->mr->length); in smb2_new_read_req()
4472 *total_len += sizeof(*v1) - 1; in smb2_new_read_req()
4477 /* next 8-byte aligned request */ in smb2_new_read_req()
4479 shdr->NextCommand = cpu_to_le32(*total_len); in smb2_new_read_req()
4481 shdr->NextCommand = 0; in smb2_new_read_req()
4483 shdr->Flags |= SMB2_FLAGS_RELATED_OPERATIONS; in smb2_new_read_req()
4488 shdr->SessionId = cpu_to_le64(0xFFFFFFFFFFFFFFFF); in smb2_new_read_req()
4489 shdr->Id.SyncId.TreeId = cpu_to_le32(0xFFFFFFFF); in smb2_new_read_req()
4490 req->PersistentFileId = (u64)-1; in smb2_new_read_req()
4491 req->VolatileFileId = (u64)-1; in smb2_new_read_req()
4494 if (remaining_bytes > io_parms->length) in smb2_new_read_req()
4495 req->RemainingBytes = cpu_to_le32(remaining_bytes); in smb2_new_read_req()
4497 req->RemainingBytes = 0; in smb2_new_read_req()
4506 struct cifs_readdata *rdata = mid->callback_data; in smb2_readv_callback()
4507 struct cifs_tcon *tcon = tlink_tcon(rdata->cfile->tlink); in smb2_readv_callback() local
4508 struct TCP_Server_Info *server = rdata->server; in smb2_readv_callback()
4510 (struct smb2_hdr *)rdata->iov[0].iov_base; in smb2_readv_callback()
4512 struct smb_rqst rqst = { .rq_iov = &rdata->iov[1], .rq_nvec = 1 }; in smb2_readv_callback()
4514 if (rdata->got_bytes) { in smb2_readv_callback()
4515 rqst.rq_iter = rdata->iter; in smb2_readv_callback()
4516 rqst.rq_iter_size = iov_iter_count(&rdata->iter); in smb2_readv_callback()
4519 WARN_ONCE(rdata->server != mid->server, in smb2_readv_callback()
4521 rdata->server, mid->server); in smb2_readv_callback()
4524 __func__, mid->mid, mid->mid_state, rdata->result, in smb2_readv_callback()
4525 rdata->bytes); in smb2_readv_callback()
4527 switch (mid->mid_state) { in smb2_readv_callback()
4529 credits.value = le16_to_cpu(shdr->CreditRequest); in smb2_readv_callback()
4530 credits.instance = server->reconnect_instance; in smb2_readv_callback()
4532 if (server->sign && !mid->decrypted) { in smb2_readv_callback()
4535 iov_iter_revert(&rqst.rq_iter, rdata->got_bytes); in smb2_readv_callback()
4536 iov_iter_truncate(&rqst.rq_iter, rdata->got_bytes); in smb2_readv_callback()
4543 task_io_account_read(rdata->got_bytes); in smb2_readv_callback()
4544 cifs_stats_bytes_read(tcon, rdata->got_bytes); in smb2_readv_callback()
4548 rdata->result = -EAGAIN; in smb2_readv_callback()
4549 if (server->sign && rdata->got_bytes) in smb2_readv_callback()
4551 rdata->got_bytes = 0; in smb2_readv_callback()
4553 task_io_account_read(rdata->got_bytes); in smb2_readv_callback()
4554 cifs_stats_bytes_read(tcon, rdata->got_bytes); in smb2_readv_callback()
4557 credits.value = le16_to_cpu(shdr->CreditRequest); in smb2_readv_callback()
4558 credits.instance = server->reconnect_instance; in smb2_readv_callback()
4561 rdata->result = -EIO; in smb2_readv_callback()
4569 if (rdata->mr) { in smb2_readv_callback()
4570 smbd_deregister_mr(rdata->mr); in smb2_readv_callback()
4571 rdata->mr = NULL; in smb2_readv_callback()
4574 if (rdata->result && rdata->result != -ENODATA) { in smb2_readv_callback()
4575 cifs_stats_fail_inc(tcon, SMB2_READ_HE); in smb2_readv_callback()
4577 rdata->cfile->fid.persistent_fid, in smb2_readv_callback()
4578 tcon->tid, tcon->ses->Suid, rdata->offset, in smb2_readv_callback()
4579 rdata->bytes, rdata->result); in smb2_readv_callback()
4582 rdata->cfile->fid.persistent_fid, in smb2_readv_callback()
4583 tcon->tid, tcon->ses->Suid, in smb2_readv_callback()
4584 rdata->offset, rdata->got_bytes); in smb2_readv_callback()
4586 queue_work(cifsiod_wq, &rdata->work); in smb2_readv_callback()
4591 /* smb2_async_readv - send an async read, and set up mid to handle result */
4599 struct smb_rqst rqst = { .rq_iov = rdata->iov, in smb2_async_readv()
4602 struct cifs_tcon *tcon = tlink_tcon(rdata->cfile->tlink); in smb2_async_readv() local
4607 __func__, rdata->offset, rdata->bytes); in smb2_async_readv()
4609 if (!rdata->server) in smb2_async_readv()
4610 rdata->server = cifs_pick_channel(tcon->ses); in smb2_async_readv()
4612 io_parms.tcon = tlink_tcon(rdata->cfile->tlink); in smb2_async_readv()
4613 io_parms.server = server = rdata->server; in smb2_async_readv()
4614 io_parms.offset = rdata->offset; in smb2_async_readv()
4615 io_parms.length = rdata->bytes; in smb2_async_readv()
4616 io_parms.persistent_fid = rdata->cfile->fid.persistent_fid; in smb2_async_readv()
4617 io_parms.volatile_fid = rdata->cfile->fid.volatile_fid; in smb2_async_readv()
4618 io_parms.pid = rdata->pid; in smb2_async_readv()
4625 if (smb3_encryption_required(io_parms.tcon)) in smb2_async_readv()
4628 rdata->iov[0].iov_base = buf; in smb2_async_readv()
4629 rdata->iov[0].iov_len = total_len; in smb2_async_readv()
4633 if (rdata->credits.value > 0) { in smb2_async_readv()
4634 shdr->CreditCharge = cpu_to_le16(DIV_ROUND_UP(rdata->bytes, in smb2_async_readv()
4636 credit_request = le16_to_cpu(shdr->CreditCharge) + 8; in smb2_async_readv()
4637 if (server->credits >= server->max_credits) in smb2_async_readv()
4638 shdr->CreditRequest = cpu_to_le16(0); in smb2_async_readv()
4640 shdr->CreditRequest = cpu_to_le16( in smb2_async_readv()
4641 min_t(int, server->max_credits - in smb2_async_readv()
4642 server->credits, credit_request)); in smb2_async_readv()
4644 rc = adjust_credits(server, &rdata->credits, rdata->bytes); in smb2_async_readv()
4651 kref_get(&rdata->refcount); in smb2_async_readv()
4655 &rdata->credits); in smb2_async_readv()
4657 kref_put(&rdata->refcount, cifs_readdata_release); in smb2_async_readv()
4658 cifs_stats_fail_inc(io_parms.tcon, SMB2_READ_HE); in smb2_async_readv()
4660 io_parms.tcon->tid, in smb2_async_readv()
4661 io_parms.tcon->ses->Suid, in smb2_async_readv()
4682 struct cifs_ses *ses = io_parms->tcon->ses; in SMB2_read()
4684 if (!io_parms->server) in SMB2_read()
4685 io_parms->server = cifs_pick_channel(io_parms->tcon->ses); in SMB2_read()
4692 if (smb3_encryption_required(io_parms->tcon)) in SMB2_read()
4702 rc = cifs_send_recv(xid, ses, io_parms->server, in SMB2_read()
4707 if (rc != -ENODATA) { in SMB2_read()
4708 cifs_stats_fail_inc(io_parms->tcon, SMB2_READ_HE); in SMB2_read()
4711 req->PersistentFileId, in SMB2_read()
4712 io_parms->tcon->tid, ses->Suid, in SMB2_read()
4713 io_parms->offset, io_parms->length, in SMB2_read()
4716 trace_smb3_read_done(xid, req->PersistentFileId, io_parms->tcon->tid, in SMB2_read()
4717 ses->Suid, io_parms->offset, 0); in SMB2_read()
4720 return rc == -ENODATA ? 0 : rc; in SMB2_read()
4723 req->PersistentFileId, in SMB2_read()
4724 io_parms->tcon->tid, ses->Suid, in SMB2_read()
4725 io_parms->offset, io_parms->length); in SMB2_read()
4729 *nbytes = le32_to_cpu(rsp->DataLength); in SMB2_read()
4731 (*nbytes > io_parms->length)) { in SMB2_read()
4733 *nbytes, io_parms->length); in SMB2_read()
4734 rc = -EIO; in SMB2_read()
4739 memcpy(*buf, (char *)rsp + rsp->DataOffset, *nbytes); in SMB2_read()
4758 struct cifs_writedata *wdata = mid->callback_data; in smb2_writev_callback()
4759 struct cifs_tcon *tcon = tlink_tcon(wdata->cfile->tlink); in smb2_writev_callback() local
4760 struct TCP_Server_Info *server = wdata->server; in smb2_writev_callback()
4762 struct smb2_write_rsp *rsp = (struct smb2_write_rsp *)mid->resp_buf; in smb2_writev_callback()
4765 WARN_ONCE(wdata->server != mid->server, in smb2_writev_callback()
4767 wdata->server, mid->server); in smb2_writev_callback()
4769 switch (mid->mid_state) { in smb2_writev_callback()
4771 credits.value = le16_to_cpu(rsp->hdr.CreditRequest); in smb2_writev_callback()
4772 credits.instance = server->reconnect_instance; in smb2_writev_callback()
4773 wdata->result = smb2_check_receive(mid, server, 0); in smb2_writev_callback()
4774 if (wdata->result != 0) in smb2_writev_callback()
4777 written = le32_to_cpu(rsp->DataLength); in smb2_writev_callback()
4784 if (written > wdata->bytes) in smb2_writev_callback()
4787 if (written < wdata->bytes) in smb2_writev_callback()
4788 wdata->result = -ENOSPC; in smb2_writev_callback()
4790 wdata->bytes = written; in smb2_writev_callback()
4794 wdata->result = -EAGAIN; in smb2_writev_callback()
4797 credits.value = le16_to_cpu(rsp->hdr.CreditRequest); in smb2_writev_callback()
4798 credits.instance = server->reconnect_instance; in smb2_writev_callback()
4801 wdata->result = -EIO; in smb2_writev_callback()
4812 if (wdata->mr) { in smb2_writev_callback()
4813 smbd_deregister_mr(wdata->mr); in smb2_writev_callback()
4814 wdata->mr = NULL; in smb2_writev_callback()
4817 if (wdata->result) { in smb2_writev_callback()
4818 cifs_stats_fail_inc(tcon, SMB2_WRITE_HE); in smb2_writev_callback()
4820 wdata->cfile->fid.persistent_fid, in smb2_writev_callback()
4821 tcon->tid, tcon->ses->Suid, wdata->offset, in smb2_writev_callback()
4822 wdata->bytes, wdata->result); in smb2_writev_callback()
4823 if (wdata->result == -ENOSPC) in smb2_writev_callback()
4825 tcon->tree_name); in smb2_writev_callback()
4828 wdata->cfile->fid.persistent_fid, in smb2_writev_callback()
4829 tcon->tid, tcon->ses->Suid, in smb2_writev_callback()
4830 wdata->offset, wdata->bytes); in smb2_writev_callback()
4832 queue_work(cifsiod_wq, &wdata->work); in smb2_writev_callback()
4837 /* smb2_async_writev - send an async write, and set up mid to handle result */
4842 int rc = -EACCES, flags = 0; in smb2_async_writev()
4845 struct cifs_tcon *tcon = tlink_tcon(wdata->cfile->tlink); in smb2_async_writev() local
4846 struct TCP_Server_Info *server = wdata->server; in smb2_async_writev()
4854 if (!wdata->server || wdata->replay) in smb2_async_writev()
4855 server = wdata->server = cifs_pick_channel(tcon->ses); in smb2_async_writev()
4862 .tcon = tcon, in smb2_async_writev()
4864 .offset = wdata->offset, in smb2_async_writev()
4865 .length = wdata->bytes, in smb2_async_writev()
4866 .persistent_fid = wdata->cfile->fid.persistent_fid, in smb2_async_writev()
4867 .volatile_fid = wdata->cfile->fid.volatile_fid, in smb2_async_writev()
4868 .pid = wdata->pid, in smb2_async_writev()
4872 rc = smb2_plain_req_init(SMB2_WRITE, tcon, server, in smb2_async_writev()
4877 if (smb3_encryption_required(tcon)) in smb2_async_writev()
4881 shdr->Id.SyncId.ProcessId = cpu_to_le32(io_parms->pid); in smb2_async_writev()
4883 req->PersistentFileId = io_parms->persistent_fid; in smb2_async_writev()
4884 req->VolatileFileId = io_parms->volatile_fid; in smb2_async_writev()
4885 req->WriteChannelInfoOffset = 0; in smb2_async_writev()
4886 req->WriteChannelInfoLength = 0; in smb2_async_writev()
4887 req->Channel = SMB2_CHANNEL_NONE; in smb2_async_writev()
4888 req->Offset = cpu_to_le64(io_parms->offset); in smb2_async_writev()
4889 req->DataOffset = cpu_to_le16( in smb2_async_writev()
4891 req->RemainingBytes = 0; in smb2_async_writev()
4894 io_parms->persistent_fid, in smb2_async_writev()
4895 io_parms->tcon->tid, in smb2_async_writev()
4896 io_parms->tcon->ses->Suid, in smb2_async_writev()
4897 io_parms->offset, in smb2_async_writev()
4898 io_parms->length); in smb2_async_writev()
4907 size_t data_size = iov_iter_count(&wdata->iter); in smb2_async_writev()
4908 bool need_invalidate = server->dialect == SMB30_PROT_ID; in smb2_async_writev()
4910 wdata->mr = smbd_register_mr(server->smbd_conn, &wdata->iter, in smb2_async_writev()
4912 if (!wdata->mr) { in smb2_async_writev()
4913 rc = -EAGAIN; in smb2_async_writev()
4916 req->Length = 0; in smb2_async_writev()
4917 req->DataOffset = 0; in smb2_async_writev()
4918 req->RemainingBytes = cpu_to_le32(data_size); in smb2_async_writev()
4919 req->Channel = SMB2_CHANNEL_RDMA_V1_INVALIDATE; in smb2_async_writev()
4921 req->Channel = SMB2_CHANNEL_RDMA_V1; in smb2_async_writev()
4922 req->WriteChannelInfoOffset = in smb2_async_writev()
4924 req->WriteChannelInfoLength = in smb2_async_writev()
4926 v1 = (struct smbd_buffer_descriptor_v1 *) &req->Buffer[0]; in smb2_async_writev()
4927 v1->offset = cpu_to_le64(wdata->mr->mr->iova); in smb2_async_writev()
4928 v1->token = cpu_to_le32(wdata->mr->mr->rkey); in smb2_async_writev()
4929 v1->length = cpu_to_le32(wdata->mr->mr->length); in smb2_async_writev()
4932 iov[0].iov_len = total_len - 1; in smb2_async_writev()
4937 rqst.rq_iter = wdata->iter; in smb2_async_writev()
4939 if (wdata->replay) in smb2_async_writev()
4942 if (wdata->mr) in smb2_async_writev()
4946 io_parms->offset, io_parms->length, iov_iter_count(&rqst.rq_iter)); in smb2_async_writev()
4950 if (!wdata->mr) in smb2_async_writev()
4951 req->Length = cpu_to_le32(io_parms->length); in smb2_async_writev()
4953 req->Length = cpu_to_le32(io_parms->length); in smb2_async_writev()
4956 if (wdata->credits.value > 0) { in smb2_async_writev()
4957 shdr->CreditCharge = cpu_to_le16(DIV_ROUND_UP(wdata->bytes, in smb2_async_writev()
4959 credit_request = le16_to_cpu(shdr->CreditCharge) + 8; in smb2_async_writev()
4960 if (server->credits >= server->max_credits) in smb2_async_writev()
4961 shdr->CreditRequest = cpu_to_le16(0); in smb2_async_writev()
4963 shdr->CreditRequest = cpu_to_le16( in smb2_async_writev()
4964 min_t(int, server->max_credits - in smb2_async_writev()
4965 server->credits, credit_request)); in smb2_async_writev()
4967 rc = adjust_credits(server, &wdata->credits, io_parms->length); in smb2_async_writev()
4974 kref_get(&wdata->refcount); in smb2_async_writev()
4976 wdata, flags, &wdata->credits); in smb2_async_writev()
4980 io_parms->persistent_fid, in smb2_async_writev()
4981 io_parms->tcon->tid, in smb2_async_writev()
4982 io_parms->tcon->ses->Suid, in smb2_async_writev()
4983 io_parms->offset, in smb2_async_writev()
4984 io_parms->length, in smb2_async_writev()
4986 kref_put(&wdata->refcount, release); in smb2_async_writev()
4987 cifs_stats_fail_inc(tcon, SMB2_WRITE_HE); in smb2_async_writev()
5020 if (!io_parms->server) in SMB2_write()
5021 io_parms->server = cifs_pick_channel(io_parms->tcon->ses); in SMB2_write()
5022 server = io_parms->server; in SMB2_write()
5024 return -ECONNABORTED; in SMB2_write()
5029 rc = smb2_plain_req_init(SMB2_WRITE, io_parms->tcon, server, in SMB2_write()
5034 if (smb3_encryption_required(io_parms->tcon)) in SMB2_write()
5037 req->hdr.Id.SyncId.ProcessId = cpu_to_le32(io_parms->pid); in SMB2_write()
5039 req->PersistentFileId = io_parms->persistent_fid; in SMB2_write()
5040 req->VolatileFileId = io_parms->volatile_fid; in SMB2_write()
5041 req->WriteChannelInfoOffset = 0; in SMB2_write()
5042 req->WriteChannelInfoLength = 0; in SMB2_write()
5043 req->Channel = 0; in SMB2_write()
5044 req->Length = cpu_to_le32(io_parms->length); in SMB2_write()
5045 req->Offset = cpu_to_le64(io_parms->offset); in SMB2_write()
5046 req->DataOffset = cpu_to_le16( in SMB2_write()
5048 req->RemainingBytes = 0; in SMB2_write()
5050 trace_smb3_write_enter(xid, io_parms->persistent_fid, in SMB2_write()
5051 io_parms->tcon->tid, io_parms->tcon->ses->Suid, in SMB2_write()
5052 io_parms->offset, io_parms->length); in SMB2_write()
5056 iov[0].iov_len = total_len - 1; in SMB2_write()
5065 rc = cifs_send_recv(xid, io_parms->tcon->ses, server, in SMB2_write()
5072 req->PersistentFileId, in SMB2_write()
5073 io_parms->tcon->tid, in SMB2_write()
5074 io_parms->tcon->ses->Suid, in SMB2_write()
5075 io_parms->offset, io_parms->length, rc); in SMB2_write()
5076 cifs_stats_fail_inc(io_parms->tcon, SMB2_WRITE_HE); in SMB2_write()
5079 *nbytes = le32_to_cpu(rsp->DataLength); in SMB2_write()
5081 req->PersistentFileId, in SMB2_write()
5082 io_parms->tcon->tid, in SMB2_write()
5083 io_parms->tcon->ses->Suid, in SMB2_write()
5084 io_parms->offset, *nbytes); in SMB2_write()
5091 smb2_should_replay(io_parms->tcon, &retries, &cur_sleep)) in SMB2_write()
5103 return -1; in posix_info_sid_size()
5107 return -1; in posix_info_sid_size()
5111 return -1; in posix_info_sid_size()
5131 end = beg + le32_to_cpu(p->NextEntryOffset); in posix_info_parse()
5139 return -1; in posix_info_parse()
5146 return -1; in posix_info_parse()
5153 return -1; in posix_info_parse()
5158 return -1; in posix_info_parse()
5161 return -1; in posix_info_parse()
5167 return -1; in posix_info_parse()
5171 out->base = beg; in posix_info_parse()
5172 out->size = total_len; in posix_info_parse()
5173 out->name_len = name_len; in posix_info_parse()
5174 out->name = name; in posix_info_parse()
5175 memcpy(&out->owner, owner_sid, owner_len); in posix_info_parse()
5176 memcpy(&out->group, group_sid, group_len); in posix_info_parse()
5186 return -1; in posix_info_extra_size()
5187 return len - sizeof(struct smb2_posix_info); in posix_info_extra_size()
5219 len = le32_to_cpu(dir_info->FileNameLength); in num_entries()
5233 next_offset = le32_to_cpu(dir_info->NextEntryOffset); in num_entries()
5245 struct cifs_tcon *tcon, in SMB2_query_directory_init() argument
5254 unsigned int output_size = CIFSMaxBufSize - in SMB2_query_directory_init()
5255 MAX_SMB2_CREATE_RESPONSE_SIZE - in SMB2_query_directory_init()
5258 struct kvec *iov = rqst->rq_iov; in SMB2_query_directory_init()
5261 rc = smb2_plain_req_init(SMB2_QUERY_DIRECTORY, tcon, server, in SMB2_query_directory_init()
5268 req->FileInformationClass = FILE_DIRECTORY_INFORMATION; in SMB2_query_directory_init()
5271 req->FileInformationClass = FILEID_FULL_DIRECTORY_INFORMATION; in SMB2_query_directory_init()
5274 req->FileInformationClass = SMB_FIND_FILE_POSIX_INFO; in SMB2_query_directory_init()
5277 req->FileInformationClass = FILE_FULL_DIRECTORY_INFORMATION; in SMB2_query_directory_init()
5282 return -EINVAL; in SMB2_query_directory_init()
5285 req->FileIndex = cpu_to_le32(index); in SMB2_query_directory_init()
5286 req->PersistentFileId = persistent_fid; in SMB2_query_directory_init()
5287 req->VolatileFileId = volatile_fid; in SMB2_query_directory_init()
5290 bufptr = req->Buffer; in SMB2_query_directory_init()
5293 req->FileNameOffset = in SMB2_query_directory_init()
5295 req->FileNameLength = cpu_to_le16(len); in SMB2_query_directory_init()
5300 output_size = min_t(unsigned int, output_size, server->maxBuf); in SMB2_query_directory_init()
5302 req->OutputBufferLength = cpu_to_le32(output_size); in SMB2_query_directory_init()
5306 iov[0].iov_len = total_len - 1; in SMB2_query_directory_init()
5308 iov[1].iov_base = (char *)(req->Buffer); in SMB2_query_directory_init()
5311 trace_smb3_query_dir_enter(xid, persistent_fid, tcon->tid, in SMB2_query_directory_init()
5312 tcon->ses->Suid, index, output_size); in SMB2_query_directory_init()
5319 if (rqst && rqst->rq_iov) { in SMB2_query_directory_free()
5320 cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_query_directory_free()
5325 smb2_parse_query_directory(struct cifs_tcon *tcon, in smb2_parse_query_directory() argument
5335 rsp = (struct smb2_query_directory_rsp *)rsp_iov->iov_base; in smb2_parse_query_directory()
5337 switch (srch_inf->info_level) { in smb2_parse_query_directory()
5353 srch_inf->info_level); in smb2_parse_query_directory()
5354 return -EINVAL; in smb2_parse_query_directory()
5357 rc = smb2_validate_iov(le16_to_cpu(rsp->OutputBufferOffset), in smb2_parse_query_directory()
5358 le32_to_cpu(rsp->OutputBufferLength), rsp_iov, in smb2_parse_query_directory()
5365 srch_inf->unicode = true; in smb2_parse_query_directory()
5367 if (srch_inf->ntwrk_buf_start) { in smb2_parse_query_directory()
5368 if (srch_inf->smallBuf) in smb2_parse_query_directory()
5369 cifs_small_buf_release(srch_inf->ntwrk_buf_start); in smb2_parse_query_directory()
5371 cifs_buf_release(srch_inf->ntwrk_buf_start); in smb2_parse_query_directory()
5373 srch_inf->ntwrk_buf_start = (char *)rsp; in smb2_parse_query_directory()
5374 srch_inf->srch_entries_start = srch_inf->last_entry = in smb2_parse_query_directory()
5375 (char *)rsp + le16_to_cpu(rsp->OutputBufferOffset); in smb2_parse_query_directory()
5376 end_of_smb = rsp_iov->iov_len + (char *)rsp; in smb2_parse_query_directory()
5378 srch_inf->entries_in_buffer = num_entries( in smb2_parse_query_directory()
5379 srch_inf->info_level, in smb2_parse_query_directory()
5380 srch_inf->srch_entries_start, in smb2_parse_query_directory()
5382 &srch_inf->last_entry, in smb2_parse_query_directory()
5385 srch_inf->index_of_last_entry += srch_inf->entries_in_buffer; in smb2_parse_query_directory()
5387 srch_inf->entries_in_buffer, srch_inf->index_of_last_entry, in smb2_parse_query_directory()
5388 srch_inf->srch_entries_start, srch_inf->last_entry); in smb2_parse_query_directory()
5390 srch_inf->smallBuf = false; in smb2_parse_query_directory()
5392 srch_inf->smallBuf = true; in smb2_parse_query_directory()
5400 SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_query_directory() argument
5410 struct cifs_ses *ses = tcon->ses; in SMB2_query_directory()
5420 if (!ses || !(ses->server)) in SMB2_query_directory()
5421 return -EIO; in SMB2_query_directory()
5423 if (smb3_encryption_required(tcon)) in SMB2_query_directory()
5431 rc = SMB2_query_directory_init(xid, tcon, server, in SMB2_query_directory()
5434 srch_inf->info_level); in SMB2_query_directory()
5446 if (rc == -ENODATA && in SMB2_query_directory()
5447 rsp->hdr.Status == STATUS_NO_MORE_FILES) { in SMB2_query_directory()
5449 tcon->tid, tcon->ses->Suid, index, 0); in SMB2_query_directory()
5450 srch_inf->endOfSearch = true; in SMB2_query_directory()
5453 trace_smb3_query_dir_err(xid, persistent_fid, tcon->tid, in SMB2_query_directory()
5454 tcon->ses->Suid, index, 0, rc); in SMB2_query_directory()
5455 cifs_stats_fail_inc(tcon, SMB2_QUERY_DIRECTORY_HE); in SMB2_query_directory()
5460 rc = smb2_parse_query_directory(tcon, &rsp_iov, resp_buftype, in SMB2_query_directory()
5463 trace_smb3_query_dir_err(xid, persistent_fid, tcon->tid, in SMB2_query_directory()
5464 tcon->ses->Suid, index, 0, rc); in SMB2_query_directory()
5469 trace_smb3_query_dir_done(xid, persistent_fid, tcon->tid, in SMB2_query_directory()
5470 tcon->ses->Suid, index, srch_inf->entries_in_buffer); in SMB2_query_directory()
5477 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_query_directory()
5484 SMB2_set_info_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_set_info_init() argument
5491 struct kvec *iov = rqst->rq_iov; in SMB2_set_info_init()
5495 rc = smb2_plain_req_init(SMB2_SET_INFO, tcon, server, in SMB2_set_info_init()
5500 req->hdr.Id.SyncId.ProcessId = cpu_to_le32(pid); in SMB2_set_info_init()
5501 req->InfoType = info_type; in SMB2_set_info_init()
5502 req->FileInfoClass = info_class; in SMB2_set_info_init()
5503 req->PersistentFileId = persistent_fid; in SMB2_set_info_init()
5504 req->VolatileFileId = volatile_fid; in SMB2_set_info_init()
5505 req->AdditionalInformation = cpu_to_le32(additional_info); in SMB2_set_info_init()
5507 req->BufferOffset = cpu_to_le16(sizeof(struct smb2_set_info_req)); in SMB2_set_info_init()
5508 req->BufferLength = cpu_to_le32(*size); in SMB2_set_info_init()
5510 memcpy(req->Buffer, *data, *size); in SMB2_set_info_init()
5515 iov[0].iov_len = total_len - 1; in SMB2_set_info_init()
5517 for (i = 1; i < rqst->rq_nvec; i++) { in SMB2_set_info_init()
5518 le32_add_cpu(&req->BufferLength, size[i]); in SMB2_set_info_init()
5529 if (rqst && rqst->rq_iov) in SMB2_set_info_free()
5530 cifs_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_set_info_free()
5534 send_set_info(const unsigned int xid, struct cifs_tcon *tcon, in send_set_info() argument
5545 struct cifs_ses *ses = tcon->ses; in send_set_info()
5556 return -EIO; in send_set_info()
5559 return -EINVAL; in send_set_info()
5561 if (smb3_encryption_required(tcon)) in send_set_info()
5566 return -ENOMEM; in send_set_info()
5572 rc = SMB2_set_info_init(tcon, server, in send_set_info()
5591 cifs_stats_fail_inc(tcon, SMB2_SET_INFO_HE); in send_set_info()
5592 trace_smb3_set_info_err(xid, persistent_fid, tcon->tid, in send_set_info()
5593 ses->Suid, info_class, (__u32)info_type, rc); in send_set_info()
5600 smb2_should_replay(tcon, &retries, &cur_sleep)) in send_set_info()
5607 SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, in SMB2_set_eof() argument
5619 trace_smb3_set_eof(xid, persistent_fid, tcon->tid, tcon->ses->Suid, new_eof); in SMB2_set_eof()
5621 return send_set_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_set_eof()
5627 SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_set_acl() argument
5631 return send_set_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_set_acl()
5632 current->tgid, 0, SMB2_O_INFO_SECURITY, aclflag, in SMB2_set_acl()
5637 SMB2_set_ea(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_set_ea() argument
5641 return send_set_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_set_ea()
5642 current->tgid, FILE_FULL_EA_INFORMATION, SMB2_O_INFO_FILE, in SMB2_set_ea()
5647 SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_oplock_break() argument
5654 struct cifs_ses *ses = tcon->ses; in SMB2_oplock_break()
5669 rc = smb2_plain_req_init(SMB2_OPLOCK_BREAK, tcon, server, in SMB2_oplock_break()
5674 if (smb3_encryption_required(tcon)) in SMB2_oplock_break()
5677 req->VolatileFid = volatile_fid; in SMB2_oplock_break()
5678 req->PersistentFid = persistent_fid; in SMB2_oplock_break()
5679 req->OplockLevel = oplock_level; in SMB2_oplock_break()
5680 req->hdr.CreditRequest = cpu_to_le16(1); in SMB2_oplock_break()
5698 cifs_stats_fail_inc(tcon, SMB2_OPLOCK_BREAK_HE); in SMB2_oplock_break()
5703 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_oplock_break()
5713 kst->f_bsize = le32_to_cpu(pfs_inf->BytesPerSector) * in smb2_copy_fs_info_to_kstatfs()
5714 le32_to_cpu(pfs_inf->SectorsPerAllocationUnit); in smb2_copy_fs_info_to_kstatfs()
5715 kst->f_blocks = le64_to_cpu(pfs_inf->TotalAllocationUnits); in smb2_copy_fs_info_to_kstatfs()
5716 kst->f_bfree = kst->f_bavail = in smb2_copy_fs_info_to_kstatfs()
5717 le64_to_cpu(pfs_inf->CallerAvailableAllocationUnits); in smb2_copy_fs_info_to_kstatfs()
5725 kst->f_bsize = le32_to_cpu(response_data->BlockSize); in copy_posix_fs_info_to_kstatfs()
5726 kst->f_blocks = le64_to_cpu(response_data->TotalBlocks); in copy_posix_fs_info_to_kstatfs()
5727 kst->f_bfree = le64_to_cpu(response_data->BlocksAvail); in copy_posix_fs_info_to_kstatfs()
5728 if (response_data->UserBlocksAvail == cpu_to_le64(-1)) in copy_posix_fs_info_to_kstatfs()
5729 kst->f_bavail = kst->f_bfree; in copy_posix_fs_info_to_kstatfs()
5731 kst->f_bavail = le64_to_cpu(response_data->UserBlocksAvail); in copy_posix_fs_info_to_kstatfs()
5732 if (response_data->TotalFileNodes != cpu_to_le64(-1)) in copy_posix_fs_info_to_kstatfs()
5733 kst->f_files = le64_to_cpu(response_data->TotalFileNodes); in copy_posix_fs_info_to_kstatfs()
5734 if (response_data->FreeFileNodes != cpu_to_le64(-1)) in copy_posix_fs_info_to_kstatfs()
5735 kst->f_ffree = le64_to_cpu(response_data->FreeFileNodes); in copy_posix_fs_info_to_kstatfs()
5741 build_qfs_info_req(struct kvec *iov, struct cifs_tcon *tcon, in build_qfs_info_req() argument
5752 if ((tcon->ses == NULL) || server == NULL) in build_qfs_info_req()
5753 return -EIO; in build_qfs_info_req()
5755 rc = smb2_plain_req_init(SMB2_QUERY_INFO, tcon, server, in build_qfs_info_req()
5760 req->InfoType = SMB2_O_INFO_FILESYSTEM; in build_qfs_info_req()
5761 req->FileInfoClass = level; in build_qfs_info_req()
5762 req->PersistentFileId = persistent_fid; in build_qfs_info_req()
5763 req->VolatileFileId = volatile_fid; in build_qfs_info_req()
5765 req->InputBufferOffset = in build_qfs_info_req()
5767 req->OutputBufferLength = cpu_to_le32( in build_qfs_info_req()
5770 iov->iov_base = (char *)req; in build_qfs_info_req()
5771 iov->iov_len = total_len; in build_qfs_info_req()
5777 cifs_buf_release(iov->iov_base); in free_qfs_info_req()
5781 SMB311_posix_qfs_info(const unsigned int xid, struct cifs_tcon *tcon, in SMB311_posix_qfs_info() argument
5790 struct cifs_ses *ses = tcon->ses; in SMB311_posix_qfs_info()
5801 rc = build_qfs_info_req(&iov, tcon, server, in SMB311_posix_qfs_info()
5808 if (smb3_encryption_required(tcon)) in SMB311_posix_qfs_info()
5822 cifs_stats_fail_inc(tcon, SMB2_QUERY_INFO_HE); in SMB311_posix_qfs_info()
5828 le16_to_cpu(rsp->OutputBufferOffset) + (char *)rsp); in SMB311_posix_qfs_info()
5829 rc = smb2_validate_iov(le16_to_cpu(rsp->OutputBufferOffset), in SMB311_posix_qfs_info()
5830 le32_to_cpu(rsp->OutputBufferLength), &rsp_iov, in SMB311_posix_qfs_info()
5839 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB311_posix_qfs_info()
5846 SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_QFS_info() argument
5855 struct cifs_ses *ses = tcon->ses; in SMB2_QFS_info()
5866 rc = build_qfs_info_req(&iov, tcon, server, in SMB2_QFS_info()
5873 if (smb3_encryption_required(tcon)) in SMB2_QFS_info()
5887 cifs_stats_fail_inc(tcon, SMB2_QUERY_INFO_HE); in SMB2_QFS_info()
5893 le16_to_cpu(rsp->OutputBufferOffset) + (char *)rsp); in SMB2_QFS_info()
5894 rc = smb2_validate_iov(le16_to_cpu(rsp->OutputBufferOffset), in SMB2_QFS_info()
5895 le32_to_cpu(rsp->OutputBufferLength), &rsp_iov, in SMB2_QFS_info()
5904 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_QFS_info()
5911 SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_QFS_attr() argument
5920 struct cifs_ses *ses = tcon->ses; in SMB2_QFS_attr()
5945 return -EINVAL; in SMB2_QFS_attr()
5948 rc = build_qfs_info_req(&iov, tcon, server, in SMB2_QFS_attr()
5954 if (smb3_encryption_required(tcon)) in SMB2_QFS_attr()
5968 cifs_stats_fail_inc(tcon, SMB2_QUERY_INFO_HE); in SMB2_QFS_attr()
5973 rsp_len = le32_to_cpu(rsp->OutputBufferLength); in SMB2_QFS_attr()
5974 offset = le16_to_cpu(rsp->OutputBufferOffset); in SMB2_QFS_attr()
5980 memcpy(&tcon->fsAttrInfo, offset in SMB2_QFS_attr()
5984 memcpy(&tcon->fsDevInfo, offset in SMB2_QFS_attr()
5989 tcon->ss_flags = le32_to_cpu(ss_info->Flags); in SMB2_QFS_attr()
5990 tcon->perf_sector_size = in SMB2_QFS_attr()
5991 le32_to_cpu(ss_info->PhysicalBytesPerSectorForPerf); in SMB2_QFS_attr()
5995 tcon->vol_serial_number = vol_info->VolumeSerialNumber; in SMB2_QFS_attr()
5996 tcon->vol_create_time = vol_info->VolumeCreationTime; in SMB2_QFS_attr()
6003 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_QFS_attr()
6010 smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon, in smb2_lockv() argument
6029 server = cifs_pick_channel(tcon->ses); in smb2_lockv()
6033 rc = smb2_plain_req_init(SMB2_LOCK, tcon, server, in smb2_lockv()
6038 if (smb3_encryption_required(tcon)) in smb2_lockv()
6041 req->hdr.Id.SyncId.ProcessId = cpu_to_le32(pid); in smb2_lockv()
6042 req->LockCount = cpu_to_le16(num_lock); in smb2_lockv()
6044 req->PersistentFileId = persist_fid; in smb2_lockv()
6045 req->VolatileFileId = volatile_fid; in smb2_lockv()
6050 iov[0].iov_len = total_len - sizeof(struct smb2_lock_element); in smb2_lockv()
6054 cifs_stats_inc(&tcon->stats.cifs_stats.num_locks); in smb2_lockv()
6063 rc = cifs_send_recv(xid, tcon->ses, server, in smb2_lockv()
6069 cifs_stats_fail_inc(tcon, SMB2_LOCK_HE); in smb2_lockv()
6070 trace_smb3_lock_err(xid, persist_fid, tcon->tid, in smb2_lockv()
6071 tcon->ses->Suid, rc); in smb2_lockv()
6075 smb2_should_replay(tcon, &retries, &cur_sleep)) in smb2_lockv()
6082 SMB2_lock(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_lock() argument
6095 return smb2_lockv(xid, tcon, persist_fid, volatile_fid, pid, 1, &lock); in SMB2_lock()
6099 SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_lease_break() argument
6105 struct cifs_ses *ses = tcon->ses; in SMB2_lease_break()
6113 struct TCP_Server_Info *server = cifs_pick_channel(tcon->ses); in SMB2_lease_break()
6116 rc = smb2_plain_req_init(SMB2_OPLOCK_BREAK, tcon, server, in SMB2_lease_break()
6121 if (smb3_encryption_required(tcon)) in SMB2_lease_break()
6124 req->hdr.CreditRequest = cpu_to_le16(1); in SMB2_lease_break()
6125 req->StructureSize = cpu_to_le16(36); in SMB2_lease_break()
6128 memcpy(req->LeaseKey, lease_key, 16); in SMB2_lease_break()
6129 req->LeaseState = lease_state; in SMB2_lease_break()
6147 cifs_stats_fail_inc(tcon, SMB2_OPLOCK_BREAK_HE); in SMB2_lease_break()
6148 trace_smb3_lease_err(le32_to_cpu(lease_state), tcon->tid, in SMB2_lease_break()
6149 ses->Suid, *please_key_low, *please_key_high, rc); in SMB2_lease_break()
6152 trace_smb3_lease_done(le32_to_cpu(lease_state), tcon->tid, in SMB2_lease_break()
6153 ses->Suid, *please_key_low, *please_key_high); in SMB2_lease_break()