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()
434 ses->flags |= CIFS_SES_FLAGS_PENDING_QUERY_INTERFACES; in smb2_reconnect()
436 rc = server->ops->query_server_interfaces(xid, tcon, false); in smb2_reconnect()
438 ses->flags &= ~CIFS_SES_FLAGS_PENDING_QUERY_INTERFACES; in smb2_reconnect()
440 if (!tcon->ipc && !tcon->dummy) in smb2_reconnect()
441 queue_delayed_work(cifsiod_wq, &tcon->query_interfaces, in smb2_reconnect()
444 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
446 if (rc == -EOPNOTSUPP && ses->chan_count > 1) { in smb2_reconnect()
461 if (ses->chan_max > ses->chan_count && in smb2_reconnect()
462 ses->iface_count && in smb2_reconnect()
464 if (ses->chan_count == 1) in smb2_reconnect()
470 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
474 spin_lock(&ses->ses_lock); in smb2_reconnect()
475 ses->flags &= ~CIFS_SES_FLAG_SCALE_CHANNELS; in smb2_reconnect()
476 spin_unlock(&ses->ses_lock); in smb2_reconnect()
479 mod_delayed_work(cifsiod_wq, &server->reconnect, 0); in smb2_reconnect()
500 rc = -EAGAIN; in smb2_reconnect()
507 fill_small_buf(__le16 smb2_command, struct cifs_tcon *tcon, in fill_small_buf() argument
522 smb2_hdr_assemble(&spdu->hdr, smb2_command, tcon, server); in fill_small_buf()
523 spdu->StructureSize2 = cpu_to_le16(parmsize); in fill_small_buf()
533 static int __smb2_plain_req_init(__le16 smb2_command, struct cifs_tcon *tcon, in __smb2_plain_req_init() argument
549 return -ENOMEM; in __smb2_plain_req_init()
552 fill_small_buf(smb2_command, tcon, server, in __smb2_plain_req_init()
556 if (tcon != NULL) { in __smb2_plain_req_init()
558 cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_sent[com_code]); in __smb2_plain_req_init()
559 cifs_stats_inc(&tcon->num_smbs_sent); in __smb2_plain_req_init()
565 static int smb2_plain_req_init(__le16 smb2_command, struct cifs_tcon *tcon, in smb2_plain_req_init() argument
571 rc = smb2_reconnect(smb2_command, tcon, server, false); in smb2_plain_req_init()
575 return __smb2_plain_req_init(smb2_command, tcon, server, request_buf, in smb2_plain_req_init()
579 static int smb2_ioctl_req_init(u32 opcode, struct cifs_tcon *tcon, in smb2_ioctl_req_init() argument
591 (tcon->ses->flags & CIFS_SES_FLAGS_PENDING_QUERY_INTERFACES))) in smb2_ioctl_req_init()
592 return __smb2_plain_req_init(SMB2_IOCTL, tcon, server, in smb2_ioctl_req_init()
595 return smb2_plain_req_init(SMB2_IOCTL, tcon, server, in smb2_ioctl_req_init()
599 /* For explanation of negotiate contexts see MS-SMB2 section 2.2.3.1 */
604 pneg_ctxt->ContextType = SMB2_PREAUTH_INTEGRITY_CAPABILITIES; in build_preauth_ctxt()
605 pneg_ctxt->DataLength = cpu_to_le16(38); in build_preauth_ctxt()
606 pneg_ctxt->HashAlgorithmCount = cpu_to_le16(1); in build_preauth_ctxt()
607 pneg_ctxt->SaltLength = cpu_to_le16(SMB311_SALT_SIZE); in build_preauth_ctxt()
608 get_random_bytes(pneg_ctxt->Salt, SMB311_SALT_SIZE); in build_preauth_ctxt()
609 pneg_ctxt->HashAlgorithms = SMB2_PREAUTH_INTEGRITY_SHA512; in build_preauth_ctxt()
615 pneg_ctxt->ContextType = SMB2_COMPRESSION_CAPABILITIES; in build_compression_ctxt()
616 pneg_ctxt->DataLength = in build_compression_ctxt()
618 - sizeof(struct smb2_neg_context)); in build_compression_ctxt()
619 pneg_ctxt->CompressionAlgorithmCount = cpu_to_le16(3); in build_compression_ctxt()
620 pneg_ctxt->CompressionAlgorithms[0] = SMB3_COMPRESS_LZ77; in build_compression_ctxt()
621 pneg_ctxt->CompressionAlgorithms[1] = SMB3_COMPRESS_LZ77_HUFF; in build_compression_ctxt()
622 pneg_ctxt->CompressionAlgorithms[2] = SMB3_COMPRESS_LZNT1; in build_compression_ctxt()
631 pneg_ctxt->ContextType = SMB2_SIGNING_CAPABILITIES; in build_signing_ctxt()
635 pneg_ctxt->DataLength = cpu_to_le16(ALIGN(sizeof(struct smb2_signing_capabilities) - in build_signing_ctxt()
638 pneg_ctxt->SigningAlgorithmCount = cpu_to_le16(num_algs); in build_signing_ctxt()
639 pneg_ctxt->SigningAlgorithms[0] = cpu_to_le16(SIGNING_ALG_AES_CMAC); in build_signing_ctxt()
650 pneg_ctxt->ContextType = SMB2_ENCRYPTION_CAPABILITIES; in build_encrypt_ctxt()
652 pneg_ctxt->DataLength = cpu_to_le16(4); /* Cipher Count + 1 cipher */ in build_encrypt_ctxt()
653 pneg_ctxt->CipherCount = cpu_to_le16(1); in build_encrypt_ctxt()
654 pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES256_GCM; in build_encrypt_ctxt()
656 pneg_ctxt->DataLength = cpu_to_le16(8); /* Cipher Count + 3 ciphers */ in build_encrypt_ctxt()
657 pneg_ctxt->CipherCount = cpu_to_le16(3); in build_encrypt_ctxt()
658 pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES128_GCM; in build_encrypt_ctxt()
659 pneg_ctxt->Ciphers[1] = SMB2_ENCRYPTION_AES256_GCM; in build_encrypt_ctxt()
660 pneg_ctxt->Ciphers[2] = SMB2_ENCRYPTION_AES128_CCM; in build_encrypt_ctxt()
662 pneg_ctxt->DataLength = cpu_to_le16(6); /* Cipher Count + 2 ciphers */ in build_encrypt_ctxt()
663 pneg_ctxt->CipherCount = cpu_to_le16(2); in build_encrypt_ctxt()
664 pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES128_GCM; in build_encrypt_ctxt()
665 pneg_ctxt->Ciphers[1] = SMB2_ENCRYPTION_AES128_CCM; in build_encrypt_ctxt()
674 pneg_ctxt->ContextType = SMB2_NETNAME_NEGOTIATE_CONTEXT_ID; in build_netname_ctxt()
677 pneg_ctxt->DataLength = cpu_to_le16(2 * cifs_strtoUTF16(pneg_ctxt->NetName, hostname, 100, cp)); in build_netname_ctxt()
679 return ALIGN(le16_to_cpu(pneg_ctxt->DataLength) + sizeof(struct smb2_neg_context), 8); in build_netname_ctxt()
685 pneg_ctxt->ContextType = SMB2_POSIX_EXTENSIONS_AVAILABLE; in build_posix_ctxt()
686 pneg_ctxt->DataLength = cpu_to_le16(POSIX_CTXT_DATA_LEN); in build_posix_ctxt()
688 pneg_ctxt->Name[0] = 0x93; in build_posix_ctxt()
689 pneg_ctxt->Name[1] = 0xAD; in build_posix_ctxt()
690 pneg_ctxt->Name[2] = 0x25; in build_posix_ctxt()
691 pneg_ctxt->Name[3] = 0x50; in build_posix_ctxt()
692 pneg_ctxt->Name[4] = 0x9C; in build_posix_ctxt()
693 pneg_ctxt->Name[5] = 0xB4; in build_posix_ctxt()
694 pneg_ctxt->Name[6] = 0x11; in build_posix_ctxt()
695 pneg_ctxt->Name[7] = 0xE7; in build_posix_ctxt()
696 pneg_ctxt->Name[8] = 0xB4; in build_posix_ctxt()
697 pneg_ctxt->Name[9] = 0x23; in build_posix_ctxt()
698 pneg_ctxt->Name[10] = 0x83; in build_posix_ctxt()
699 pneg_ctxt->Name[11] = 0xDE; in build_posix_ctxt()
700 pneg_ctxt->Name[12] = 0x96; in build_posix_ctxt()
701 pneg_ctxt->Name[13] = 0x8B; in build_posix_ctxt()
702 pneg_ctxt->Name[14] = 0xCD; in build_posix_ctxt()
703 pneg_ctxt->Name[15] = 0x7C; in build_posix_ctxt()
728 req->NegotiateContextOffset = cpu_to_le32(*total_len); in assemble_neg_contexts()
742 * use the hostname field in the primary channel instead in assemble_neg_contexts()
744 pserver = SERVER_IS_CHAN(server) ? server->primary_server : server; in assemble_neg_contexts()
746 hostname = pserver->hostname; in assemble_neg_contexts()
762 if (server->compression.requested) { in assemble_neg_contexts()
780 req->NegotiateContextCount = cpu_to_le16(neg_context_count); in assemble_neg_contexts()
784 /* If invalid preauth context warn but use what we requested, SHA-512 */
787 unsigned int len = le16_to_cpu(ctxt->DataLength); in decode_preauth_context()
796 } else if (len < MIN_PREAUTH_CTXT_DATA_LEN + le16_to_cpu(ctxt->SaltLength)) { in decode_preauth_context()
800 if (le16_to_cpu(ctxt->HashAlgorithmCount) != 1) in decode_preauth_context()
802 if (ctxt->HashAlgorithms != SMB2_PREAUTH_INTEGRITY_SHA512) in decode_preauth_context()
809 unsigned int len = le16_to_cpu(ctxt->DataLength); in decode_compress_ctx()
812 server->compression.enabled = false; in decode_compress_ctx()
824 if (le16_to_cpu(ctxt->CompressionAlgorithmCount) != 1) { in decode_compress_ctx()
829 alg = ctxt->CompressionAlgorithms[0]; in decode_compress_ctx()
837 server->compression.alg = alg; in decode_compress_ctx()
838 server->compression.enabled = true; in decode_compress_ctx()
844 unsigned int len = le16_to_cpu(ctxt->DataLength); in decode_encrypt_ctx()
854 return -EINVAL; in decode_encrypt_ctx()
857 if (le16_to_cpu(ctxt->CipherCount) != 1) { in decode_encrypt_ctx()
859 return -EINVAL; in decode_encrypt_ctx()
861 cifs_dbg(FYI, "SMB311 cipher type:%d\n", le16_to_cpu(ctxt->Ciphers[0])); in decode_encrypt_ctx()
863 if (ctxt->Ciphers[0] != SMB2_ENCRYPTION_AES256_GCM) { in decode_encrypt_ctx()
865 return -EOPNOTSUPP; in decode_encrypt_ctx()
867 } else if (ctxt->Ciphers[0] == 0) { in decode_encrypt_ctx()
877 server->cipher_type = 0; in decode_encrypt_ctx()
878 server->capabilities &= ~SMB2_GLOBAL_CAP_ENCRYPTION; in decode_encrypt_ctx()
881 } else if ((ctxt->Ciphers[0] != SMB2_ENCRYPTION_AES128_CCM) && in decode_encrypt_ctx()
882 (ctxt->Ciphers[0] != SMB2_ENCRYPTION_AES128_GCM) && in decode_encrypt_ctx()
883 (ctxt->Ciphers[0] != SMB2_ENCRYPTION_AES256_GCM)) { in decode_encrypt_ctx()
886 return -EINVAL; in decode_encrypt_ctx()
888 server->cipher_type = ctxt->Ciphers[0]; in decode_encrypt_ctx()
889 server->capabilities |= SMB2_GLOBAL_CAP_ENCRYPTION; in decode_encrypt_ctx()
896 unsigned int len = le16_to_cpu(pctxt->DataLength); in decode_signing_ctx()
907 if (le16_to_cpu(pctxt->SigningAlgorithmCount) != 1) { in decode_signing_ctx()
911 if (le16_to_cpu(pctxt->SigningAlgorithms[0]) > 2) { in decode_signing_ctx()
916 server->signing_negotiated = true; in decode_signing_ctx()
917 server->signing_algorithm = le16_to_cpu(pctxt->SigningAlgorithms[0]); in decode_signing_ctx()
919 server->signing_algorithm); in decode_signing_ctx()
928 unsigned int offset = le32_to_cpu(rsp->NegotiateContextOffset); in smb311_decode_neg_context()
929 unsigned int ctxt_cnt = le16_to_cpu(rsp->NegotiateContextCount); in smb311_decode_neg_context()
936 return -EINVAL; in smb311_decode_neg_context()
939 len_of_ctxts = len_of_smb - offset; in smb311_decode_neg_context()
949 + le16_to_cpu(pctx->DataLength); in smb311_decode_neg_context()
952 * Subsequent negotiate contexts MUST appear at the first 8-byte in smb311_decode_neg_context()
960 if (pctx->ContextType == SMB2_PREAUTH_INTEGRITY_CAPABILITIES) in smb311_decode_neg_context()
963 else if (pctx->ContextType == SMB2_ENCRYPTION_CAPABILITIES) in smb311_decode_neg_context()
966 else if (pctx->ContextType == SMB2_COMPRESSION_CAPABILITIES) in smb311_decode_neg_context()
969 else if (pctx->ContextType == SMB2_POSIX_EXTENSIONS_AVAILABLE) in smb311_decode_neg_context()
970 server->posix_ext_supported = true; in smb311_decode_neg_context()
971 else if (pctx->ContextType == SMB2_SIGNING_CAPABILITIES) in smb311_decode_neg_context()
976 le16_to_cpu(pctx->ContextType)); in smb311_decode_neg_context()
981 len_of_ctxts -= clen; in smb311_decode_neg_context()
996 buf->ccontext.DataOffset = in create_posix_buf()
998 buf->ccontext.DataLength = cpu_to_le32(4); in create_posix_buf()
999 buf->ccontext.NameOffset = in create_posix_buf()
1001 buf->ccontext.NameLength = cpu_to_le16(16); in create_posix_buf()
1004 buf->Name[0] = 0x93; in create_posix_buf()
1005 buf->Name[1] = 0xAD; in create_posix_buf()
1006 buf->Name[2] = 0x25; in create_posix_buf()
1007 buf->Name[3] = 0x50; in create_posix_buf()
1008 buf->Name[4] = 0x9C; in create_posix_buf()
1009 buf->Name[5] = 0xB4; in create_posix_buf()
1010 buf->Name[6] = 0x11; in create_posix_buf()
1011 buf->Name[7] = 0xE7; in create_posix_buf()
1012 buf->Name[8] = 0xB4; in create_posix_buf()
1013 buf->Name[9] = 0x23; in create_posix_buf()
1014 buf->Name[10] = 0x83; in create_posix_buf()
1015 buf->Name[11] = 0xDE; in create_posix_buf()
1016 buf->Name[12] = 0x96; in create_posix_buf()
1017 buf->Name[13] = 0x8B; in create_posix_buf()
1018 buf->Name[14] = 0xCD; in create_posix_buf()
1019 buf->Name[15] = 0x7C; in create_posix_buf()
1020 buf->Mode = cpu_to_le32(mode); in create_posix_buf()
1034 return -ENOMEM; in add_posix_context()
1077 return -EIO; in SMB2_negotiate()
1085 req->hdr.SessionId = 0; in SMB2_negotiate()
1087 memset(server->preauth_sha_hash, 0, SMB2_PREAUTH_HASH_SIZE); in SMB2_negotiate()
1088 memset(ses->preauth_sha_hash, 0, SMB2_PREAUTH_HASH_SIZE); in SMB2_negotiate()
1090 if (strcmp(server->vals->version_string, in SMB2_negotiate()
1092 req->Dialects[0] = cpu_to_le16(SMB30_PROT_ID); in SMB2_negotiate()
1093 req->Dialects[1] = cpu_to_le16(SMB302_PROT_ID); in SMB2_negotiate()
1094 req->Dialects[2] = cpu_to_le16(SMB311_PROT_ID); in SMB2_negotiate()
1095 req->DialectCount = cpu_to_le16(3); in SMB2_negotiate()
1097 } else if (strcmp(server->vals->version_string, in SMB2_negotiate()
1099 req->Dialects[0] = cpu_to_le16(SMB21_PROT_ID); in SMB2_negotiate()
1100 req->Dialects[1] = cpu_to_le16(SMB30_PROT_ID); in SMB2_negotiate()
1101 req->Dialects[2] = cpu_to_le16(SMB302_PROT_ID); in SMB2_negotiate()
1102 req->Dialects[3] = cpu_to_le16(SMB311_PROT_ID); in SMB2_negotiate()
1103 req->DialectCount = cpu_to_le16(4); in SMB2_negotiate()
1107 req->Dialects[0] = cpu_to_le16(server->vals->protocol_id); in SMB2_negotiate()
1108 req->DialectCount = cpu_to_le16(1); in SMB2_negotiate()
1113 if (ses->sign) in SMB2_negotiate()
1114 req->SecurityMode = cpu_to_le16(SMB2_NEGOTIATE_SIGNING_REQUIRED); in SMB2_negotiate()
1116 req->SecurityMode = cpu_to_le16(SMB2_NEGOTIATE_SIGNING_ENABLED); in SMB2_negotiate()
1118 req->SecurityMode = 0; in SMB2_negotiate()
1120 req->Capabilities = cpu_to_le32(server->vals->req_capabilities); in SMB2_negotiate()
1121 if (ses->chan_max > 1) in SMB2_negotiate()
1122 req->Capabilities |= cpu_to_le32(SMB2_GLOBAL_CAP_MULTI_CHANNEL); in SMB2_negotiate()
1125 if (server->vals->protocol_id == SMB20_PROT_ID) in SMB2_negotiate()
1126 memset(req->ClientGUID, 0, SMB2_CLIENT_GUID_SIZE); in SMB2_negotiate()
1128 memcpy(req->ClientGUID, server->client_guid, in SMB2_negotiate()
1130 if ((server->vals->protocol_id == SMB311_PROT_ID) || in SMB2_negotiate()
1131 (strcmp(server->vals->version_string, in SMB2_negotiate()
1133 (strcmp(server->vals->version_string, in SMB2_negotiate()
1149 * No tcon so can't do in SMB2_negotiate()
1150 * cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_fail[SMB2...]); in SMB2_negotiate()
1152 if (rc == -EOPNOTSUPP) { in SMB2_negotiate()
1158 rc = -EIO; in SMB2_negotiate()
1159 if (strcmp(server->vals->version_string, in SMB2_negotiate()
1161 if (rsp->DialectRevision == cpu_to_le16(SMB20_PROT_ID)) { in SMB2_negotiate()
1165 } else if (rsp->DialectRevision == cpu_to_le16(SMB21_PROT_ID)) { in SMB2_negotiate()
1169 } else if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID)) { in SMB2_negotiate()
1171 server->ops = &smb311_operations; in SMB2_negotiate()
1172 server->vals = &smb311_values; in SMB2_negotiate()
1174 } else if (strcmp(server->vals->version_string, in SMB2_negotiate()
1176 if (rsp->DialectRevision == cpu_to_le16(SMB20_PROT_ID)) { in SMB2_negotiate()
1180 } else if (rsp->DialectRevision == cpu_to_le16(SMB21_PROT_ID)) { in SMB2_negotiate()
1182 server->ops = &smb21_operations; in SMB2_negotiate()
1183 server->vals = &smb21_values; in SMB2_negotiate()
1184 } else if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID)) { in SMB2_negotiate()
1185 server->ops = &smb311_operations; in SMB2_negotiate()
1186 server->vals = &smb311_values; in SMB2_negotiate()
1188 } else if (le16_to_cpu(rsp->DialectRevision) != in SMB2_negotiate()
1189 server->vals->protocol_id) { in SMB2_negotiate()
1192 le16_to_cpu(rsp->DialectRevision)); in SMB2_negotiate()
1196 cifs_dbg(FYI, "mode 0x%x\n", rsp->SecurityMode); in SMB2_negotiate()
1198 if (rsp->DialectRevision == cpu_to_le16(SMB20_PROT_ID)) in SMB2_negotiate()
1200 else if (rsp->DialectRevision == cpu_to_le16(SMB21_PROT_ID)) in SMB2_negotiate()
1202 else if (rsp->DialectRevision == cpu_to_le16(SMB30_PROT_ID)) in SMB2_negotiate()
1204 else if (rsp->DialectRevision == cpu_to_le16(SMB302_PROT_ID)) in SMB2_negotiate()
1206 else if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID)) in SMB2_negotiate()
1210 le16_to_cpu(rsp->DialectRevision)); in SMB2_negotiate()
1215 server->dialect = le16_to_cpu(rsp->DialectRevision); in SMB2_negotiate()
1222 memcpy(server->preauth_sha_hash, ses->preauth_sha_hash, in SMB2_negotiate()
1226 server->negflavor = CIFS_NEGFLAVOR_EXTENDED; in SMB2_negotiate()
1228 server->maxBuf = min_t(unsigned int, le32_to_cpu(rsp->MaxTransactSize), in SMB2_negotiate()
1230 server->max_read = le32_to_cpu(rsp->MaxReadSize); in SMB2_negotiate()
1231 server->max_write = le32_to_cpu(rsp->MaxWriteSize); in SMB2_negotiate()
1232 server->sec_mode = le16_to_cpu(rsp->SecurityMode); in SMB2_negotiate()
1233 if ((server->sec_mode & SMB2_SEC_MODE_FLAGS_ALL) != server->sec_mode) in SMB2_negotiate()
1235 server->sec_mode); in SMB2_negotiate()
1236 server->capabilities = le32_to_cpu(rsp->Capabilities); in SMB2_negotiate()
1238 server->capabilities |= SMB2_NT_FIND | SMB2_LARGE_FILES; in SMB2_negotiate()
1244 if ((server->dialect == SMB30_PROT_ID || in SMB2_negotiate()
1245 server->dialect == SMB302_PROT_ID) && in SMB2_negotiate()
1246 (server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION)) in SMB2_negotiate()
1247 server->cipher_type = SMB2_ENCRYPTION_AES128_CCM; in SMB2_negotiate()
1252 * See MS-SMB2 section 2.2.4: if no blob, client picks default which in SMB2_negotiate()
1254 * ses->sectype = RawNTLMSSP; in SMB2_negotiate()
1260 server->sec_ntlmssp = true; in SMB2_negotiate()
1263 rc = cifs_enable_signing(server, ses->sign); in SMB2_negotiate()
1271 rc = -EIO; in SMB2_negotiate()
1274 if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID)) { in SMB2_negotiate()
1275 if (rsp->NegotiateContextCount) in SMB2_negotiate()
1282 if (server->cipher_type && !rc) { in SMB2_negotiate()
1292 int smb3_validate_negotiate(const unsigned int xid, struct cifs_tcon *tcon) in smb3_validate_negotiate() argument
1299 struct TCP_Server_Info *server = tcon->ses->server; in smb3_validate_negotiate()
1304 if (server->dialect == SMB311_PROT_ID) in smb3_validate_negotiate()
1314 if (tcon->ses->session_flags & SMB2_SESSION_FLAG_IS_GUEST) in smb3_validate_negotiate()
1317 if (tcon->ses->user_name == NULL) { in smb3_validate_negotiate()
1322 if (tcon->ses->session_flags & SMB2_SESSION_FLAG_IS_NULL) in smb3_validate_negotiate()
1327 return -ENOMEM; in smb3_validate_negotiate()
1329 pneg_inbuf->Capabilities = in smb3_validate_negotiate()
1330 cpu_to_le32(server->vals->req_capabilities); in smb3_validate_negotiate()
1331 if (tcon->ses->chan_max > 1) in smb3_validate_negotiate()
1332 pneg_inbuf->Capabilities |= cpu_to_le32(SMB2_GLOBAL_CAP_MULTI_CHANNEL); in smb3_validate_negotiate()
1334 memcpy(pneg_inbuf->Guid, server->client_guid, in smb3_validate_negotiate()
1337 if (tcon->ses->sign) in smb3_validate_negotiate()
1338 pneg_inbuf->SecurityMode = in smb3_validate_negotiate()
1341 pneg_inbuf->SecurityMode = in smb3_validate_negotiate()
1344 pneg_inbuf->SecurityMode = 0; in smb3_validate_negotiate()
1347 if (strcmp(server->vals->version_string, in smb3_validate_negotiate()
1349 pneg_inbuf->Dialects[0] = cpu_to_le16(SMB30_PROT_ID); in smb3_validate_negotiate()
1350 pneg_inbuf->Dialects[1] = cpu_to_le16(SMB302_PROT_ID); in smb3_validate_negotiate()
1351 pneg_inbuf->Dialects[2] = cpu_to_le16(SMB311_PROT_ID); in smb3_validate_negotiate()
1352 pneg_inbuf->DialectCount = cpu_to_le16(3); in smb3_validate_negotiate()
1354 inbuflen = sizeof(*pneg_inbuf) - in smb3_validate_negotiate()
1355 (sizeof(pneg_inbuf->Dialects[0])); in smb3_validate_negotiate()
1356 } else if (strcmp(server->vals->version_string, in smb3_validate_negotiate()
1358 pneg_inbuf->Dialects[0] = cpu_to_le16(SMB21_PROT_ID); in smb3_validate_negotiate()
1359 pneg_inbuf->Dialects[1] = cpu_to_le16(SMB30_PROT_ID); in smb3_validate_negotiate()
1360 pneg_inbuf->Dialects[2] = cpu_to_le16(SMB302_PROT_ID); in smb3_validate_negotiate()
1361 pneg_inbuf->Dialects[3] = cpu_to_le16(SMB311_PROT_ID); in smb3_validate_negotiate()
1362 pneg_inbuf->DialectCount = cpu_to_le16(4); in smb3_validate_negotiate()
1367 pneg_inbuf->Dialects[0] = in smb3_validate_negotiate()
1368 cpu_to_le16(server->vals->protocol_id); in smb3_validate_negotiate()
1369 pneg_inbuf->DialectCount = cpu_to_le16(1); in smb3_validate_negotiate()
1371 inbuflen = sizeof(*pneg_inbuf) - in smb3_validate_negotiate()
1372 sizeof(pneg_inbuf->Dialects[0]) * 3; in smb3_validate_negotiate()
1375 rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID, in smb3_validate_negotiate()
1379 if (rc == -EOPNOTSUPP) { in smb3_validate_negotiate()
1390 rc = -EIO; in smb3_validate_negotiate()
1394 rc = -EIO; in smb3_validate_negotiate()
1405 if (pneg_rsp->Dialect != cpu_to_le16(server->dialect)) in smb3_validate_negotiate()
1408 if (pneg_rsp->SecurityMode != cpu_to_le16(server->sec_mode)) in smb3_validate_negotiate()
1413 if ((le32_to_cpu(pneg_rsp->Capabilities) | SMB2_NT_FIND | in smb3_validate_negotiate()
1414 SMB2_LARGE_FILES) != server->capabilities) in smb3_validate_negotiate()
1423 cifs_tcon_dbg(VFS, "protocol revalidation - security settings mismatch\n"); in smb3_validate_negotiate()
1441 if (server->sec_ntlmssp && in smb2_select_sectype()
1444 if ((server->sec_kerberos || server->sec_mskerberos || server->sec_iakerb) && in smb2_select_sectype()
1477 struct cifs_ses *ses = sess_data->ses; in SMB2_sess_alloc_buffer()
1478 struct TCP_Server_Info *server = sess_data->server; in SMB2_sess_alloc_buffer()
1489 spin_lock(&ses->ses_lock); in SMB2_sess_alloc_buffer()
1490 is_binding = (ses->ses_status == SES_GOOD); in SMB2_sess_alloc_buffer()
1491 spin_unlock(&ses->ses_lock); in SMB2_sess_alloc_buffer()
1494 req->hdr.SessionId = cpu_to_le64(ses->Suid); in SMB2_sess_alloc_buffer()
1495 req->hdr.Flags |= SMB2_FLAGS_SIGNED; in SMB2_sess_alloc_buffer()
1496 req->PreviousSessionId = 0; in SMB2_sess_alloc_buffer()
1497 req->Flags = SMB2_SESSION_REQ_FLAG_BINDING; in SMB2_sess_alloc_buffer()
1498 cifs_dbg(FYI, "Binding to sess id: %llx\n", ses->Suid); in SMB2_sess_alloc_buffer()
1501 req->hdr.SessionId = 0; in SMB2_sess_alloc_buffer()
1506 req->PreviousSessionId = cpu_to_le64(sess_data->previous_session); in SMB2_sess_alloc_buffer()
1507 req->Flags = 0; /* MBZ */ in SMB2_sess_alloc_buffer()
1509 sess_data->previous_session); in SMB2_sess_alloc_buffer()
1513 if (server->credits >= server->max_credits) in SMB2_sess_alloc_buffer()
1514 req->hdr.CreditRequest = cpu_to_le16(0); in SMB2_sess_alloc_buffer()
1516 req->hdr.CreditRequest = cpu_to_le16( in SMB2_sess_alloc_buffer()
1517 min_t(int, server->max_credits - in SMB2_sess_alloc_buffer()
1518 server->credits, 130)); in SMB2_sess_alloc_buffer()
1521 if (server->sign) in SMB2_sess_alloc_buffer()
1522 req->SecurityMode = SMB2_NEGOTIATE_SIGNING_REQUIRED; in SMB2_sess_alloc_buffer()
1524 req->SecurityMode = SMB2_NEGOTIATE_SIGNING_ENABLED; in SMB2_sess_alloc_buffer()
1526 req->SecurityMode = 0; in SMB2_sess_alloc_buffer()
1529 req->Capabilities = cpu_to_le32(SMB2_GLOBAL_CAP_DFS); in SMB2_sess_alloc_buffer()
1531 req->Capabilities = 0; in SMB2_sess_alloc_buffer()
1534 req->Channel = 0; /* MBZ */ in SMB2_sess_alloc_buffer()
1536 sess_data->iov[0].iov_base = (char *)req; in SMB2_sess_alloc_buffer()
1538 sess_data->iov[0].iov_len = total_len - 1; in SMB2_sess_alloc_buffer()
1543 sess_data->buf0_type = CIFS_SMALL_BUFFER; in SMB2_sess_alloc_buffer()
1551 struct kvec *iov = sess_data->iov; in SMB2_sess_free_buffer()
1554 if (sess_data->buf0_type != CIFS_NO_BUFFER && iov[0].iov_base) in SMB2_sess_free_buffer()
1557 free_rsp_buf(sess_data->buf0_type, iov[0].iov_base); in SMB2_sess_free_buffer()
1558 sess_data->buf0_type = CIFS_NO_BUFFER; in SMB2_sess_free_buffer()
1566 struct smb2_sess_setup_req *req = sess_data->iov[0].iov_base; in SMB2_sess_sendreceive()
1570 req->SecurityBufferOffset = in SMB2_sess_sendreceive()
1572 req->SecurityBufferLength = cpu_to_le16(sess_data->iov[1].iov_len); in SMB2_sess_sendreceive()
1575 rqst.rq_iov = sess_data->iov; in SMB2_sess_sendreceive()
1579 rc = cifs_send_recv(sess_data->xid, sess_data->ses, in SMB2_sess_sendreceive()
1580 sess_data->server, in SMB2_sess_sendreceive()
1582 &sess_data->buf0_type, in SMB2_sess_sendreceive()
1584 cifs_small_buf_release(sess_data->iov[0].iov_base); in SMB2_sess_sendreceive()
1586 sess_data->ses->expired_pwd = false; in SMB2_sess_sendreceive()
1587 else if ((rc == -EACCES) || (rc == -EKEYEXPIRED) || (rc == -EKEYREVOKED)) in SMB2_sess_sendreceive()
1588 sess_data->ses->expired_pwd = true; in SMB2_sess_sendreceive()
1590 memcpy(&sess_data->iov[0], &rsp_iov, sizeof(struct kvec)); in SMB2_sess_sendreceive()
1599 struct cifs_ses *ses = sess_data->ses; in SMB2_sess_establish_session()
1600 struct TCP_Server_Info *server = sess_data->server; in SMB2_sess_establish_session()
1603 if (server->ops->generate_signingkey) { in SMB2_sess_establish_session()
1604 rc = server->ops->generate_signingkey(ses, server); in SMB2_sess_establish_session()
1612 if (!server->session_estab) { in SMB2_sess_establish_session()
1613 server->sequence_number = 0x2; in SMB2_sess_establish_session()
1614 server->session_estab = true; in SMB2_sess_establish_session()
1627 struct cifs_ses *ses = sess_data->ses; in SMB2_auth_kerberos()
1628 struct TCP_Server_Info *server = sess_data->server; in SMB2_auth_kerberos()
1641 if (rc == -ENOKEY) in SMB2_auth_kerberos()
1647 msg = spnego_key->payload.data[0]; in SMB2_auth_kerberos()
1652 if (msg->version != CIFS_SPNEGO_UPCALL_VERSION) { in SMB2_auth_kerberos()
1654 CIFS_SPNEGO_UPCALL_VERSION, msg->version); in SMB2_auth_kerberos()
1655 rc = -EKEYREJECTED; in SMB2_auth_kerberos()
1659 spin_lock(&ses->ses_lock); in SMB2_auth_kerberos()
1660 is_binding = (ses->ses_status == SES_GOOD); in SMB2_auth_kerberos()
1661 spin_unlock(&ses->ses_lock); in SMB2_auth_kerberos()
1665 kfree_sensitive(ses->auth_key.response); in SMB2_auth_kerberos()
1666 ses->auth_key.response = kmemdup(msg->data, msg->sesskey_len, in SMB2_auth_kerberos()
1668 if (!ses->auth_key.response) { in SMB2_auth_kerberos()
1670 msg->sesskey_len); in SMB2_auth_kerberos()
1671 rc = -ENOMEM; in SMB2_auth_kerberos()
1674 ses->auth_key.len = msg->sesskey_len; in SMB2_auth_kerberos()
1677 sess_data->iov[1].iov_base = msg->data + msg->sesskey_len; in SMB2_auth_kerberos()
1678 sess_data->iov[1].iov_len = msg->secblob_len; in SMB2_auth_kerberos()
1684 rsp = (struct smb2_sess_setup_rsp *)sess_data->iov[0].iov_base; in SMB2_auth_kerberos()
1687 ses->Suid = le64_to_cpu(rsp->hdr.SessionId); in SMB2_auth_kerberos()
1688 ses->session_flags = le16_to_cpu(rsp->SessionFlags); in SMB2_auth_kerberos()
1696 kfree_sensitive(ses->auth_key.response); in SMB2_auth_kerberos()
1697 ses->auth_key.response = NULL; in SMB2_auth_kerberos()
1698 ses->auth_key.len = 0; in SMB2_auth_kerberos()
1701 sess_data->result = rc; in SMB2_auth_kerberos()
1702 sess_data->func = NULL; in SMB2_auth_kerberos()
1710 sess_data->result = -EOPNOTSUPP; in SMB2_auth_kerberos()
1711 sess_data->func = NULL; in SMB2_auth_kerberos()
1722 struct cifs_ses *ses = sess_data->ses; in SMB2_sess_auth_rawntlmssp_negotiate()
1723 struct TCP_Server_Info *server = sess_data->server; in SMB2_sess_auth_rawntlmssp_negotiate()
1734 ses->ntlmssp = kmalloc(sizeof(struct ntlmssp_auth), GFP_KERNEL); in SMB2_sess_auth_rawntlmssp_negotiate()
1735 if (!ses->ntlmssp) { in SMB2_sess_auth_rawntlmssp_negotiate()
1736 rc = -ENOMEM; in SMB2_sess_auth_rawntlmssp_negotiate()
1739 ses->ntlmssp->sesskey_per_smbsess = true; in SMB2_sess_auth_rawntlmssp_negotiate()
1747 sess_data->nls_cp); in SMB2_sess_auth_rawntlmssp_negotiate()
1754 rc = -EOPNOTSUPP; in SMB2_sess_auth_rawntlmssp_negotiate()
1757 sess_data->iov[1].iov_base = ntlmssp_blob; in SMB2_sess_auth_rawntlmssp_negotiate()
1758 sess_data->iov[1].iov_len = blob_length; in SMB2_sess_auth_rawntlmssp_negotiate()
1761 rsp = (struct smb2_sess_setup_rsp *)sess_data->iov[0].iov_base; in SMB2_sess_auth_rawntlmssp_negotiate()
1764 if (sess_data->buf0_type != CIFS_NO_BUFFER && in SMB2_sess_auth_rawntlmssp_negotiate()
1765 rsp->hdr.Status == STATUS_MORE_PROCESSING_REQUIRED) in SMB2_sess_auth_rawntlmssp_negotiate()
1772 le16_to_cpu(rsp->SecurityBufferOffset)) { in SMB2_sess_auth_rawntlmssp_negotiate()
1774 le16_to_cpu(rsp->SecurityBufferOffset)); in SMB2_sess_auth_rawntlmssp_negotiate()
1775 rc = -EIO; in SMB2_sess_auth_rawntlmssp_negotiate()
1778 rc = decode_ntlmssp_challenge(rsp->Buffer, in SMB2_sess_auth_rawntlmssp_negotiate()
1779 le16_to_cpu(rsp->SecurityBufferLength), ses); in SMB2_sess_auth_rawntlmssp_negotiate()
1785 spin_lock(&ses->ses_lock); in SMB2_sess_auth_rawntlmssp_negotiate()
1786 is_binding = (ses->ses_status == SES_GOOD); in SMB2_sess_auth_rawntlmssp_negotiate()
1787 spin_unlock(&ses->ses_lock); in SMB2_sess_auth_rawntlmssp_negotiate()
1791 ses->Suid = le64_to_cpu(rsp->hdr.SessionId); in SMB2_sess_auth_rawntlmssp_negotiate()
1792 ses->session_flags = le16_to_cpu(rsp->SessionFlags); in SMB2_sess_auth_rawntlmssp_negotiate()
1799 sess_data->result = 0; in SMB2_sess_auth_rawntlmssp_negotiate()
1800 sess_data->func = SMB2_sess_auth_rawntlmssp_authenticate; in SMB2_sess_auth_rawntlmssp_negotiate()
1804 kfree_sensitive(ses->ntlmssp); in SMB2_sess_auth_rawntlmssp_negotiate()
1805 ses->ntlmssp = NULL; in SMB2_sess_auth_rawntlmssp_negotiate()
1806 sess_data->result = rc; in SMB2_sess_auth_rawntlmssp_negotiate()
1807 sess_data->func = NULL; in SMB2_sess_auth_rawntlmssp_negotiate()
1814 struct cifs_ses *ses = sess_data->ses; in SMB2_sess_auth_rawntlmssp_authenticate()
1815 struct TCP_Server_Info *server = sess_data->server; in SMB2_sess_auth_rawntlmssp_authenticate()
1827 req = (struct smb2_sess_setup_req *) sess_data->iov[0].iov_base; in SMB2_sess_auth_rawntlmssp_authenticate()
1828 req->hdr.SessionId = cpu_to_le64(ses->Suid); in SMB2_sess_auth_rawntlmssp_authenticate()
1832 sess_data->nls_cp); in SMB2_sess_auth_rawntlmssp_authenticate()
1841 rc = -EOPNOTSUPP; in SMB2_sess_auth_rawntlmssp_authenticate()
1844 sess_data->iov[1].iov_base = ntlmssp_blob; in SMB2_sess_auth_rawntlmssp_authenticate()
1845 sess_data->iov[1].iov_len = blob_length; in SMB2_sess_auth_rawntlmssp_authenticate()
1851 rsp = (struct smb2_sess_setup_rsp *)sess_data->iov[0].iov_base; in SMB2_sess_auth_rawntlmssp_authenticate()
1853 spin_lock(&ses->ses_lock); in SMB2_sess_auth_rawntlmssp_authenticate()
1854 is_binding = (ses->ses_status == SES_GOOD); in SMB2_sess_auth_rawntlmssp_authenticate()
1855 spin_unlock(&ses->ses_lock); in SMB2_sess_auth_rawntlmssp_authenticate()
1859 ses->Suid = le64_to_cpu(rsp->hdr.SessionId); in SMB2_sess_auth_rawntlmssp_authenticate()
1860 ses->session_flags = le16_to_cpu(rsp->SessionFlags); in SMB2_sess_auth_rawntlmssp_authenticate()
1865 if (ses->server->dialect < SMB30_PROT_ID) { in SMB2_sess_auth_rawntlmssp_authenticate()
1871 cifs_dbg(VFS, "Session Id %*ph\n", (int)sizeof(ses->Suid), in SMB2_sess_auth_rawntlmssp_authenticate()
1872 &ses->Suid); in SMB2_sess_auth_rawntlmssp_authenticate()
1874 SMB2_NTLMV2_SESSKEY_SIZE, ses->auth_key.response); in SMB2_sess_auth_rawntlmssp_authenticate()
1876 SMB3_SIGN_KEY_SIZE, ses->auth_key.response); in SMB2_sess_auth_rawntlmssp_authenticate()
1882 kfree_sensitive(ses->ntlmssp); in SMB2_sess_auth_rawntlmssp_authenticate()
1883 ses->ntlmssp = NULL; in SMB2_sess_auth_rawntlmssp_authenticate()
1884 sess_data->result = rc; in SMB2_sess_auth_rawntlmssp_authenticate()
1885 sess_data->func = NULL; in SMB2_sess_auth_rawntlmssp_authenticate()
1892 struct cifs_ses *ses = sess_data->ses; in SMB2_select_sec()
1893 struct TCP_Server_Info *server = sess_data->server; in SMB2_select_sec()
1895 type = smb2_select_sectype(server, ses->sectype); in SMB2_select_sec()
1899 return -EINVAL; in SMB2_select_sec()
1904 sess_data->func = SMB2_auth_kerberos; in SMB2_select_sec()
1907 sess_data->func = SMB2_sess_auth_rawntlmssp_negotiate; in SMB2_select_sec()
1911 return -EOPNOTSUPP; in SMB2_select_sec()
1929 return -EIO; in SMB2_sess_setup()
1934 return -ENOMEM; in SMB2_sess_setup()
1936 sess_data->xid = xid; in SMB2_sess_setup()
1937 sess_data->ses = ses; in SMB2_sess_setup()
1938 sess_data->server = server; in SMB2_sess_setup()
1939 sess_data->buf0_type = CIFS_NO_BUFFER; in SMB2_sess_setup()
1940 sess_data->nls_cp = (struct nls_table *) nls_cp; in SMB2_sess_setup()
1941 sess_data->previous_session = ses->Suid; in SMB2_sess_setup()
1950 memcpy(ses->preauth_sha_hash, server->preauth_sha_hash, in SMB2_sess_setup()
1953 while (sess_data->func) in SMB2_sess_setup()
1954 sess_data->func(sess_data); in SMB2_sess_setup()
1956 if ((ses->session_flags & SMB2_SESSION_FLAG_IS_GUEST) && (ses->sign)) in SMB2_sess_setup()
1958 rc = sess_data->result; in SMB2_sess_setup()
1979 if (ses && (ses->server)) in SMB2_logoff()
1980 server = ses->server; in SMB2_logoff()
1982 return -EIO; in SMB2_logoff()
1985 spin_lock(&ses->chan_lock); in SMB2_logoff()
1987 spin_unlock(&ses->chan_lock); in SMB2_logoff()
1990 spin_unlock(&ses->chan_lock); in SMB2_logoff()
1992 rc = smb2_plain_req_init(SMB2_LOGOFF, NULL, ses->server, in SMB2_logoff()
1997 /* since no tcon, smb2_init can not do this, so do here */ in SMB2_logoff()
1998 req->hdr.SessionId = cpu_to_le64(ses->Suid); in SMB2_logoff()
2000 if (ses->session_flags & SMB2_SESSION_FLAG_ENCRYPT_DATA) in SMB2_logoff()
2002 else if (server->sign) in SMB2_logoff()
2003 req->hdr.Flags |= SMB2_FLAGS_SIGNED; in SMB2_logoff()
2014 rc = cifs_send_recv(xid, ses, ses->server, in SMB2_logoff()
2018 * No tcon so can't do in SMB2_logoff()
2019 * cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_fail[SMB2...]); in SMB2_logoff()
2026 static inline void cifs_stats_fail_inc(struct cifs_tcon *tcon, uint16_t code) in cifs_stats_fail_inc() argument
2028 cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_failed[code]); in cifs_stats_fail_inc()
2034 static inline void init_copy_chunk_defaults(struct cifs_tcon *tcon) in init_copy_chunk_defaults() argument
2036 tcon->max_chunks = 256; in init_copy_chunk_defaults()
2037 tcon->max_bytes_chunk = 1048576; in init_copy_chunk_defaults()
2038 tcon->max_bytes_copy = 16777216; in init_copy_chunk_defaults()
2043 struct cifs_tcon *tcon, const struct nls_table *cp) in SMB2_tcon() argument
2058 cifs_dbg(FYI, "TCON\n"); in SMB2_tcon()
2061 return -EIO; in SMB2_tcon()
2065 return -ENOMEM; in SMB2_tcon()
2070 return -EINVAL; in SMB2_tcon()
2075 tcon->tid = 0; in SMB2_tcon()
2076 atomic_set(&tcon->num_remote_opens, 0); in SMB2_tcon()
2077 rc = smb2_plain_req_init(SMB2_TREE_CONNECT, tcon, server, in SMB2_tcon()
2084 if (smb3_encryption_required(tcon)) in SMB2_tcon()
2089 iov[0].iov_len = total_len - 1; in SMB2_tcon()
2092 req->PathOffset = cpu_to_le16(sizeof(struct smb2_tree_connect_req)); in SMB2_tcon()
2093 req->PathLength = cpu_to_le16(unc_path_len); in SMB2_tcon()
2098 * 3.11 tcon req must be signed if not encrypted. See MS-SMB2 3.2.4.1.1 in SMB2_tcon()
2099 * unless it is guest or anonymous user. See MS-SMB2 3.2.5.3.1 in SMB2_tcon()
2102 if ((server->dialect == SMB311_PROT_ID) && in SMB2_tcon()
2103 !smb3_encryption_required(tcon) && in SMB2_tcon()
2104 !(ses->session_flags & in SMB2_tcon()
2106 ((ses->user_name != NULL) || (ses->sectype == Kerberos))) in SMB2_tcon()
2107 req->hdr.Flags |= SMB2_FLAGS_SIGNED; in SMB2_tcon()
2114 if (server->credits >= server->max_credits) in SMB2_tcon()
2115 req->hdr.CreditRequest = cpu_to_le16(0); in SMB2_tcon()
2117 req->hdr.CreditRequest = cpu_to_le16( in SMB2_tcon()
2118 min_t(int, server->max_credits - in SMB2_tcon()
2119 server->credits, 64)); in SMB2_tcon()
2125 trace_smb3_tcon(xid, tcon->tid, ses->Suid, tree, rc); in SMB2_tcon()
2127 cifs_stats_fail_inc(tcon, SMB2_TREE_CONNECT_HE); in SMB2_tcon()
2128 tcon->need_reconnect = true; in SMB2_tcon()
2132 switch (rsp->ShareType) { in SMB2_tcon()
2137 tcon->pipe = true; in SMB2_tcon()
2141 tcon->print = true; in SMB2_tcon()
2145 cifs_server_dbg(VFS, "unknown share type %d\n", rsp->ShareType); in SMB2_tcon()
2146 rc = -EOPNOTSUPP; in SMB2_tcon()
2150 tcon->share_flags = le32_to_cpu(rsp->ShareFlags); in SMB2_tcon()
2151 tcon->capabilities = rsp->Capabilities; /* we keep caps little endian */ in SMB2_tcon()
2152 tcon->maximal_access = le32_to_cpu(rsp->MaximalAccess); in SMB2_tcon()
2153 tcon->tid = le32_to_cpu(rsp->hdr.Id.SyncId.TreeId); in SMB2_tcon()
2154 strscpy(tcon->tree_name, tree, sizeof(tcon->tree_name)); in SMB2_tcon()
2156 if ((rsp->Capabilities & SMB2_SHARE_CAP_DFS) && in SMB2_tcon()
2157 ((tcon->share_flags & SHI1005_FLAGS_DFS) == 0)) in SMB2_tcon()
2160 if (tcon->seal && in SMB2_tcon()
2161 !(server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION)) in SMB2_tcon()
2164 init_copy_chunk_defaults(tcon); in SMB2_tcon()
2165 if (server->ops->validate_negotiate) in SMB2_tcon()
2166 rc = server->ops->validate_negotiate(xid, tcon); in SMB2_tcon()
2167 if (rc == 0) /* See MS-SMB2 2.2.10 and 3.2.5.5 */ in SMB2_tcon()
2168 if (tcon->share_flags & SMB2_SHAREFLAG_ISOLATED_TRANSPORT) in SMB2_tcon()
2169 server->nosharesock = true; in SMB2_tcon()
2177 if (rsp && rsp->hdr.Status == STATUS_BAD_NETWORK_NAME) in SMB2_tcon()
2183 SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon) in SMB2_tdis() argument
2188 struct cifs_ses *ses = tcon->ses; in SMB2_tdis()
2198 if (!ses || !(ses->server)) in SMB2_tdis()
2199 return -EIO; in SMB2_tdis()
2201 trace_smb3_tdis_enter(xid, tcon->tid, ses->Suid, tcon->tree_name); in SMB2_tdis()
2202 spin_lock(&ses->chan_lock); in SMB2_tdis()
2203 if ((tcon->need_reconnect) || in SMB2_tdis()
2204 (CIFS_ALL_CHANS_NEED_RECONNECT(tcon->ses))) { in SMB2_tdis()
2205 spin_unlock(&ses->chan_lock); in SMB2_tdis()
2208 spin_unlock(&ses->chan_lock); in SMB2_tdis()
2210 invalidate_all_cached_dirs(tcon); in SMB2_tdis()
2212 rc = smb2_plain_req_init(SMB2_TREE_DISCONNECT, tcon, server, in SMB2_tdis()
2218 if (smb3_encryption_required(tcon)) in SMB2_tdis()
2234 cifs_stats_fail_inc(tcon, SMB2_TREE_DISCONNECT_HE); in SMB2_tdis()
2235 trace_smb3_tdis_err(xid, tcon->tid, ses->Suid, rc); in SMB2_tdis()
2237 trace_smb3_tdis_done(xid, tcon->tid, ses->Suid); in SMB2_tdis()
2252 buf->ccontext.DataOffset = cpu_to_le16(offsetof in create_durable_buf()
2254 buf->ccontext.DataLength = cpu_to_le32(16); in create_durable_buf()
2255 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_durable_buf()
2257 buf->ccontext.NameLength = cpu_to_le16(4); in create_durable_buf()
2259 buf->Name[0] = 'D'; in create_durable_buf()
2260 buf->Name[1] = 'H'; in create_durable_buf()
2261 buf->Name[2] = 'n'; in create_durable_buf()
2262 buf->Name[3] = 'Q'; in create_durable_buf()
2275 buf->ccontext.DataOffset = cpu_to_le16(offsetof in create_reconnect_durable_buf()
2277 buf->ccontext.DataLength = cpu_to_le32(16); in create_reconnect_durable_buf()
2278 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_reconnect_durable_buf()
2280 buf->ccontext.NameLength = cpu_to_le16(4); in create_reconnect_durable_buf()
2281 buf->Data.Fid.PersistentFileId = fid->persistent_fid; in create_reconnect_durable_buf()
2282 buf->Data.Fid.VolatileFileId = fid->volatile_fid; in create_reconnect_durable_buf()
2284 buf->Name[0] = 'D'; in create_reconnect_durable_buf()
2285 buf->Name[1] = 'H'; in create_reconnect_durable_buf()
2286 buf->Name[2] = 'n'; in create_reconnect_durable_buf()
2287 buf->Name[3] = 'C'; in create_reconnect_durable_buf()
2297 pdisk_id->DiskFileId, pdisk_id->VolumeId); in parse_query_id_ctxt()
2298 buf->IndexNumber = pdisk_id->DiskFileId; in parse_query_id_ctxt()
2306 u8 *beg = (u8 *)cc + le16_to_cpu(cc->DataOffset); in parse_posix_ctxt()
2307 u8 *end = beg + le32_to_cpu(cc->DataLength); in parse_posix_ctxt()
2312 posix->nlink = le32_to_cpu(*(__le32 *)(beg + 0)); in parse_posix_ctxt()
2313 posix->reparse_tag = le32_to_cpu(*(__le32 *)(beg + 4)); in parse_posix_ctxt()
2314 posix->mode = le32_to_cpu(*(__le32 *)(beg + 8)); in parse_posix_ctxt()
2322 memcpy(&posix->owner, sid, sid_len); in parse_posix_ctxt()
2330 memcpy(&posix->group, sid, sid_len); in parse_posix_ctxt()
2333 posix->nlink, posix->mode, posix->reparse_tag); in parse_posix_ctxt()
2343 struct smb2_create_rsp *rsp = rsp_iov->iov_base; in smb2_parse_contexts()
2357 off = le32_to_cpu(rsp->CreateContextsOffset); in smb2_parse_contexts()
2358 rem = le32_to_cpu(rsp->CreateContextsLength); in smb2_parse_contexts()
2359 if (check_add_overflow(off, rem, &len) || len > rsp_iov->iov_len) in smb2_parse_contexts()
2360 return -EINVAL; in smb2_parse_contexts()
2365 buf->IndexNumber = 0; in smb2_parse_contexts()
2368 doff = le16_to_cpu(cc->DataOffset); in smb2_parse_contexts()
2369 dlen = le32_to_cpu(cc->DataLength); in smb2_parse_contexts()
2371 return -EINVAL; in smb2_parse_contexts()
2373 noff = le16_to_cpu(cc->NameOffset); in smb2_parse_contexts()
2374 nlen = le16_to_cpu(cc->NameLength); in smb2_parse_contexts()
2376 return -EINVAL; in smb2_parse_contexts()
2382 *oplock = server->ops->parse_lease_buf(cc, epoch, in smb2_parse_contexts()
2401 off = le32_to_cpu(cc->Next); in smb2_parse_contexts()
2405 return -EINVAL; in smb2_parse_contexts()
2409 if (rsp->OplockLevel != SMB2_OPLOCK_LEVEL_LEASE) in smb2_parse_contexts()
2410 *oplock = rsp->OplockLevel; in smb2_parse_contexts()
2423 iov[num].iov_base = server->ops->create_lease_buf(lease_key, *oplock); in add_lease_context()
2425 return -ENOMEM; in add_lease_context()
2426 iov[num].iov_len = server->vals->create_lease_size; in add_lease_context()
2427 req->RequestedOplockLevel = SMB2_OPLOCK_LEVEL_LEASE; in add_lease_context()
2435 struct cifs_fid *pfid = oparms->fid; in create_durable_v2_buf()
2442 buf->ccontext.DataOffset = cpu_to_le16(offsetof in create_durable_v2_buf()
2444 buf->ccontext.DataLength = cpu_to_le32(sizeof(struct durable_context_v2)); in create_durable_v2_buf()
2445 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_durable_v2_buf()
2447 buf->ccontext.NameLength = cpu_to_le16(4); in create_durable_v2_buf()
2456 buf->dcontext.Timeout = cpu_to_le32(oparms->tcon->handle_timeout); in create_durable_v2_buf()
2457 buf->dcontext.Flags = cpu_to_le32(SMB2_DHANDLE_FLAG_PERSISTENT); in create_durable_v2_buf()
2460 if (!oparms->replay) { in create_durable_v2_buf()
2461 generate_random_uuid(buf->dcontext.CreateGuid); in create_durable_v2_buf()
2462 memcpy(pfid->create_guid, buf->dcontext.CreateGuid, 16); in create_durable_v2_buf()
2464 memcpy(buf->dcontext.CreateGuid, pfid->create_guid, 16); in create_durable_v2_buf()
2467 buf->Name[0] = 'D'; in create_durable_v2_buf()
2468 buf->Name[1] = 'H'; in create_durable_v2_buf()
2469 buf->Name[2] = '2'; in create_durable_v2_buf()
2470 buf->Name[3] = 'Q'; in create_durable_v2_buf()
2484 buf->ccontext.DataOffset = in create_reconnect_durable_v2_buf()
2487 buf->ccontext.DataLength = in create_reconnect_durable_v2_buf()
2489 buf->ccontext.NameOffset = in create_reconnect_durable_v2_buf()
2492 buf->ccontext.NameLength = cpu_to_le16(4); in create_reconnect_durable_v2_buf()
2494 buf->dcontext.Fid.PersistentFileId = fid->persistent_fid; in create_reconnect_durable_v2_buf()
2495 buf->dcontext.Fid.VolatileFileId = fid->volatile_fid; in create_reconnect_durable_v2_buf()
2496 buf->dcontext.Flags = cpu_to_le32(SMB2_DHANDLE_FLAG_PERSISTENT); in create_reconnect_durable_v2_buf()
2497 memcpy(buf->dcontext.CreateGuid, fid->create_guid, 16); in create_reconnect_durable_v2_buf()
2500 buf->Name[0] = 'D'; in create_reconnect_durable_v2_buf()
2501 buf->Name[1] = 'H'; in create_reconnect_durable_v2_buf()
2502 buf->Name[2] = '2'; in create_reconnect_durable_v2_buf()
2503 buf->Name[3] = 'C'; in create_reconnect_durable_v2_buf()
2515 return -ENOMEM; in add_durable_v2_context()
2528 oparms->reconnect = false; in add_durable_reconnect_v2_context()
2530 iov[num].iov_base = create_reconnect_durable_v2_buf(oparms->fid); in add_durable_reconnect_v2_context()
2532 return -ENOMEM; in add_durable_reconnect_v2_context()
2545 if (oparms->reconnect) in add_durable_context()
2552 if (oparms->reconnect) { in add_durable_context()
2553 iov[num].iov_base = create_reconnect_durable_buf(oparms->fid); in add_durable_context()
2555 oparms->reconnect = false; in add_durable_context()
2559 return -ENOMEM; in add_durable_context()
2565 /* See MS-SMB2 2.2.13.2.7 */
2575 buf->ccontext.DataOffset = cpu_to_le16(offsetof in create_twarp_buf()
2577 buf->ccontext.DataLength = cpu_to_le32(8); in create_twarp_buf()
2578 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_twarp_buf()
2580 buf->ccontext.NameLength = cpu_to_le16(4); in create_twarp_buf()
2582 buf->Name[0] = 'T'; in create_twarp_buf()
2583 buf->Name[1] = 'W'; in create_twarp_buf()
2584 buf->Name[2] = 'r'; in create_twarp_buf()
2585 buf->Name[3] = 'p'; in create_twarp_buf()
2586 buf->Timestamp = cpu_to_le64(timewarp); in create_twarp_buf()
2590 /* See MS-SMB2 2.2.13.2.7 */
2598 return -ENOMEM; in add_twarp_context()
2604 /* See http://technet.microsoft.com/en-us/library/hh509017(v=ws.10).aspx */
2609 /* Populate the user ownership fields S-1-5-88-1 */ in setup_owner_group_sids()
2610 sids->owner.Revision = 1; in setup_owner_group_sids()
2611 sids->owner.NumAuth = 3; in setup_owner_group_sids()
2612 sids->owner.Authority[5] = 5; in setup_owner_group_sids()
2613 sids->owner.SubAuthorities[0] = cpu_to_le32(88); in setup_owner_group_sids()
2614 sids->owner.SubAuthorities[1] = cpu_to_le32(1); in setup_owner_group_sids()
2615 sids->owner.SubAuthorities[2] = cpu_to_le32(current_fsuid().val); in setup_owner_group_sids()
2617 /* Populate the group ownership fields S-1-5-88-2 */ in setup_owner_group_sids()
2618 sids->group.Revision = 1; in setup_owner_group_sids()
2619 sids->group.NumAuth = 3; in setup_owner_group_sids()
2620 sids->group.Authority[5] = 5; in setup_owner_group_sids()
2621 sids->group.SubAuthorities[0] = cpu_to_le32(88); in setup_owner_group_sids()
2622 sids->group.SubAuthorities[1] = cpu_to_le32(2); in setup_owner_group_sids()
2623 sids->group.SubAuthorities[2] = cpu_to_le32(current_fsgid().val); in setup_owner_group_sids()
2625 …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()
2628 /* See MS-SMB2 2.2.13.2.2 and MS-DTYP 2.4.6 */
2653 owner_offset = ptr - (__u8 *)&buf->sd; in create_sd_buf()
2654 buf->sd.OffsetOwner = cpu_to_le32(owner_offset); in create_sd_buf()
2656 buf->sd.OffsetGroup = cpu_to_le32(group_offset); in create_sd_buf()
2661 buf->sd.OffsetOwner = 0; in create_sd_buf()
2662 buf->sd.OffsetGroup = 0; in create_sd_buf()
2665 buf->ccontext.DataOffset = cpu_to_le16(offsetof(struct crt_sd_ctxt, sd)); in create_sd_buf()
2666 buf->ccontext.NameOffset = cpu_to_le16(offsetof(struct crt_sd_ctxt, Name)); in create_sd_buf()
2667 buf->ccontext.NameLength = cpu_to_le16(4); in create_sd_buf()
2669 buf->Name[0] = 'S'; in create_sd_buf()
2670 buf->Name[1] = 'e'; in create_sd_buf()
2671 buf->Name[2] = 'c'; in create_sd_buf()
2672 buf->Name[3] = 'D'; in create_sd_buf()
2673 buf->sd.Revision = 1; /* Must be one see MS-DTYP 2.4.6 */ in create_sd_buf()
2679 buf->sd.Control = cpu_to_le16(ACL_CONTROL_SR | ACL_CONTROL_DP); in create_sd_buf()
2682 buf->sd.OffsetDacl = cpu_to_le32(ptr - (__u8 *)&buf->sd); in create_sd_buf()
2707 acl.AclRevision = ACL_REVISION; /* See 2.4.4.1 of MS-DTYP */ in create_sd_buf()
2713 buf->ccontext.DataLength = cpu_to_le32(ptr - (__u8 *)&buf->sd); in create_sd_buf()
2714 *len = round_up((unsigned int)(ptr - (__u8 *)buf), 8); in create_sd_buf()
2727 return -ENOMEM; in add_sd_context()
2742 buf->ccontext.DataOffset = cpu_to_le16(0); in create_query_id_buf()
2743 buf->ccontext.DataLength = cpu_to_le32(0); in create_query_id_buf()
2744 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_query_id_buf()
2746 buf->ccontext.NameLength = cpu_to_le16(4); in create_query_id_buf()
2748 buf->Name[0] = 'Q'; in create_query_id_buf()
2749 buf->Name[1] = 'F'; in create_query_id_buf()
2750 buf->Name[2] = 'i'; in create_query_id_buf()
2751 buf->Name[3] = 'd'; in create_query_id_buf()
2755 /* See MS-SMB2 2.2.13.2.9 */
2763 return -ENOMEM; in add_query_id_context()
2772 struct kvec *iov = oparms->ea_cctx; in add_ea_context()
2774 if (iov && iov->iov_base && iov->iov_len) { in add_ea_context()
2793 return -EINVAL; in alloc_path_with_tree_prefix()
2796 treename_len -= 2; in alloc_path_with_tree_prefix()
2804 * final path needs to be 8-byte aligned as specified in in alloc_path_with_tree_prefix()
2805 * MS-SMB2 2.2.13 SMB2 CREATE Request. in alloc_path_with_tree_prefix()
2810 return -ENOMEM; in alloc_path_with_tree_prefix()
2827 umode_t mode, struct cifs_tcon *tcon, in smb311_posix_mkdir() argument
2834 struct cifs_ses *ses = tcon->ses; in smb311_posix_mkdir()
2862 return -ENOMEM; in smb311_posix_mkdir()
2865 rc = -EIO; in smb311_posix_mkdir()
2870 rc = smb2_plain_req_init(SMB2_CREATE, tcon, server, in smb311_posix_mkdir()
2876 if (smb3_encryption_required(tcon)) in smb311_posix_mkdir()
2879 req->ImpersonationLevel = IL_IMPERSONATION; in smb311_posix_mkdir()
2880 req->DesiredAccess = cpu_to_le32(FILE_WRITE_ATTRIBUTES); in smb311_posix_mkdir()
2882 req->FileAttributes = cpu_to_le32(file_attributes); in smb311_posix_mkdir()
2883 req->ShareAccess = FILE_SHARE_ALL_LE; in smb311_posix_mkdir()
2884 req->CreateDisposition = cpu_to_le32(FILE_CREATE); in smb311_posix_mkdir()
2885 req->CreateOptions = cpu_to_le32(CREATE_NOT_FILE); in smb311_posix_mkdir()
2888 /* -1 since last byte is buf[0] which is sent below (path) */ in smb311_posix_mkdir()
2889 iov[0].iov_len = total_len - 1; in smb311_posix_mkdir()
2891 req->NameOffset = cpu_to_le16(sizeof(struct smb2_create_req)); in smb311_posix_mkdir()
2893 /* [MS-SMB2] 2.2.13 NameOffset: in smb311_posix_mkdir()
2901 if (tcon->share_flags & SHI1005_FLAGS_DFS) { in smb311_posix_mkdir()
2904 req->hdr.Flags |= SMB2_FLAGS_DFS_OPERATIONS; in smb311_posix_mkdir()
2907 tcon->tree_name, utf16_path); in smb311_posix_mkdir()
2911 req->NameLength = cpu_to_le16(name_len * 2); in smb311_posix_mkdir()
2919 req->NameLength = cpu_to_le16(uni_path_len - 2); in smb311_posix_mkdir()
2924 rc = -ENOMEM; in smb311_posix_mkdir()
2938 req->RequestedOplockLevel = SMB2_OPLOCK_LEVEL_NONE; in smb311_posix_mkdir()
2940 if (tcon->posix_extensions) { in smb311_posix_mkdir()
2945 req->CreateContextsOffset = cpu_to_le32( in smb311_posix_mkdir()
2948 le32_add_cpu(&req->CreateContextsLength, iov[n_iov-1].iov_len); in smb311_posix_mkdir()
2949 pc_buf = iov[n_iov-1].iov_base; in smb311_posix_mkdir()
2958 trace_smb3_posix_mkdir_enter(xid, tcon->tid, ses->Suid, full_path, CREATE_NOT_FILE, in smb311_posix_mkdir()
2968 cifs_stats_fail_inc(tcon, SMB2_CREATE_HE); in smb311_posix_mkdir()
2969 trace_smb3_posix_mkdir_err(xid, tcon->tid, ses->Suid, in smb311_posix_mkdir()
2982 rc = -EIO; in smb311_posix_mkdir()
2987 trace_smb3_posix_mkdir_done(xid, rsp->PersistentFileId, tcon->tid, ses->Suid, in smb311_posix_mkdir()
2990 SMB2_close(xid, tcon, rsp->PersistentFileId, rsp->VolatileFileId); in smb311_posix_mkdir()
3003 smb2_should_replay(tcon, &retries, &cur_sleep)) in smb311_posix_mkdir()
3010 SMB2_open_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_open_init() argument
3020 struct kvec *iov = rqst->rq_iov; in SMB2_open_init()
3024 rc = smb2_plain_req_init(SMB2_CREATE, tcon, server, in SMB2_open_init()
3030 /* -1 since last byte is buf[0] which is sent below (path) */ in SMB2_open_init()
3031 iov[0].iov_len = total_len - 1; in SMB2_open_init()
3033 if (oparms->create_options & CREATE_OPTION_READONLY) in SMB2_open_init()
3035 if (oparms->create_options & CREATE_OPTION_SPECIAL) in SMB2_open_init()
3038 req->ImpersonationLevel = IL_IMPERSONATION; in SMB2_open_init()
3039 req->DesiredAccess = cpu_to_le32(oparms->desired_access); in SMB2_open_init()
3041 req->FileAttributes = cpu_to_le32(file_attributes); in SMB2_open_init()
3042 req->ShareAccess = FILE_SHARE_ALL_LE; in SMB2_open_init()
3044 req->CreateDisposition = cpu_to_le32(oparms->disposition); in SMB2_open_init()
3045 req->CreateOptions = cpu_to_le32(oparms->create_options & CREATE_OPTIONS_MASK); in SMB2_open_init()
3046 req->NameOffset = cpu_to_le16(sizeof(struct smb2_create_req)); in SMB2_open_init()
3048 /* [MS-SMB2] 2.2.13 NameOffset: in SMB2_open_init()
3056 if (tcon->share_flags & SHI1005_FLAGS_DFS) { in SMB2_open_init()
3059 req->hdr.Flags |= SMB2_FLAGS_DFS_OPERATIONS; in SMB2_open_init()
3062 tcon->tree_name, path); in SMB2_open_init()
3065 req->NameLength = cpu_to_le16(name_len * 2); in SMB2_open_init()
3071 req->NameLength = cpu_to_le16(uni_path_len - 2); in SMB2_open_init()
3075 return -ENOMEM; in SMB2_open_init()
3085 if ((!server->oplocks) || (tcon->no_lease)) in SMB2_open_init()
3088 if (!(server->capabilities & SMB2_GLOBAL_CAP_LEASING) || in SMB2_open_init()
3090 req->RequestedOplockLevel = *oplock; in SMB2_open_init()
3091 else if (!(server->capabilities & SMB2_GLOBAL_CAP_DIRECTORY_LEASING) && in SMB2_open_init()
3092 (oparms->create_options & CREATE_NOT_FILE)) in SMB2_open_init()
3093 req->RequestedOplockLevel = *oplock; /* no srv lease support */ in SMB2_open_init()
3096 oparms->fid->lease_key, oplock); in SMB2_open_init()
3103 tcon->use_persistent); in SMB2_open_init()
3108 if (tcon->posix_extensions) { in SMB2_open_init()
3109 rc = add_posix_context(iov, &n_iov, oparms->mode); in SMB2_open_init()
3114 if (tcon->snapshot_time) { in SMB2_open_init()
3116 rc = add_twarp_context(iov, &n_iov, tcon->snapshot_time); in SMB2_open_init()
3121 if ((oparms->disposition != FILE_OPEN) && (oparms->cifs_sb)) { in SMB2_open_init()
3125 if ((oparms->cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MODE_FROM_SID) && in SMB2_open_init()
3126 (oparms->mode != ACL_NO_MODE)) in SMB2_open_init()
3130 oparms->mode = ACL_NO_MODE; in SMB2_open_init()
3133 if (oparms->cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UID_FROM_ACL) in SMB2_open_init()
3139 cifs_dbg(FYI, "add sd with mode 0x%x\n", oparms->mode); in SMB2_open_init()
3140 rc = add_sd_context(iov, &n_iov, oparms->mode, set_owner); in SMB2_open_init()
3154 req->CreateContextsOffset = cpu_to_le32( in SMB2_open_init()
3157 req->CreateContextsLength = 0; in SMB2_open_init()
3159 for (unsigned int i = 2; i < (n_iov-1); i++) { in SMB2_open_init()
3161 size_t len = v->iov_len; in SMB2_open_init()
3163 (struct create_context *)v->iov_base; in SMB2_open_init()
3165 cctx->Next = cpu_to_le32(len); in SMB2_open_init()
3166 le32_add_cpu(&req->CreateContextsLength, len); in SMB2_open_init()
3168 le32_add_cpu(&req->CreateContextsLength, in SMB2_open_init()
3169 iov[n_iov-1].iov_len); in SMB2_open_init()
3172 rqst->rq_nvec = n_iov; in SMB2_open_init()
3184 if (rqst && rqst->rq_iov) { in SMB2_open_free()
3185 cifs_small_buf_release(rqst->rq_iov[0].iov_base); in SMB2_open_free()
3186 for (i = 1; i < rqst->rq_nvec; i++) in SMB2_open_free()
3187 if (rqst->rq_iov[i].iov_base != smb2_padding) in SMB2_open_free()
3188 kfree(rqst->rq_iov[i].iov_base); in SMB2_open_free()
3200 struct cifs_tcon *tcon = oparms->tcon; in SMB2_open() local
3201 struct cifs_ses *ses = tcon->ses; in SMB2_open()
3214 oparms->replay = !!(retries); in SMB2_open()
3218 return -EIO; in SMB2_open()
3220 if (smb3_encryption_required(tcon)) in SMB2_open()
3228 rc = SMB2_open_init(tcon, server, in SMB2_open()
3233 trace_smb3_open_enter(xid, tcon->tid, tcon->ses->Suid, oparms->path, in SMB2_open()
3234 oparms->create_options, oparms->desired_access); in SMB2_open()
3245 cifs_stats_fail_inc(tcon, SMB2_CREATE_HE); in SMB2_open()
3252 trace_smb3_open_err(xid, tcon->tid, ses->Suid, in SMB2_open()
3253 oparms->create_options, oparms->desired_access, rc); in SMB2_open()
3254 if (rc == -EREMCHG) { in SMB2_open()
3256 tcon->tree_name); in SMB2_open()
3257 tcon->need_reconnect = true; in SMB2_open()
3263 trace_smb3_open_done(xid, rsp->PersistentFileId, tcon->tid, ses->Suid, in SMB2_open()
3264 oparms->create_options, oparms->desired_access); in SMB2_open()
3266 atomic_inc(&tcon->num_remote_opens); in SMB2_open()
3267 oparms->fid->persistent_fid = rsp->PersistentFileId; in SMB2_open()
3268 oparms->fid->volatile_fid = rsp->VolatileFileId; in SMB2_open()
3269 oparms->fid->access = oparms->desired_access; in SMB2_open()
3271 oparms->fid->mid = le64_to_cpu(rsp->hdr.MessageId); in SMB2_open()
3275 buf->CreationTime = rsp->CreationTime; in SMB2_open()
3276 buf->LastAccessTime = rsp->LastAccessTime; in SMB2_open()
3277 buf->LastWriteTime = rsp->LastWriteTime; in SMB2_open()
3278 buf->ChangeTime = rsp->ChangeTime; in SMB2_open()
3279 buf->AllocationSize = rsp->AllocationSize; in SMB2_open()
3280 buf->EndOfFile = rsp->EndofFile; in SMB2_open()
3281 buf->Attributes = rsp->FileAttributes; in SMB2_open()
3282 buf->NumberOfLinks = cpu_to_le32(1); in SMB2_open()
3283 buf->DeletePending = 0; in SMB2_open()
3287 rc = smb2_parse_contexts(server, &rsp_iov, &oparms->fid->epoch, in SMB2_open()
3288 oparms->fid->lease_key, oplock, buf, posix); in SMB2_open()
3294 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_open()
3301 SMB2_ioctl_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_ioctl_init() argument
3308 struct kvec *iov = rqst->rq_iov; in SMB2_ioctl_init()
3313 rc = smb2_ioctl_req_init(opcode, tcon, server, in SMB2_ioctl_init()
3321 if (WARN_ON_ONCE(smb3_encryption_required(tcon) && in SMB2_ioctl_init()
3322 (check_add_overflow(total_len - 1, in SMB2_ioctl_init()
3326 return -EIO; in SMB2_ioctl_init()
3335 return -ENOMEM; in SMB2_ioctl_init()
3339 req->CtlCode = cpu_to_le32(opcode); in SMB2_ioctl_init()
3340 req->PersistentFileId = persistent_fid; in SMB2_ioctl_init()
3341 req->VolatileFileId = volatile_fid; in SMB2_ioctl_init()
3353 req->InputCount = cpu_to_le32(indatalen); in SMB2_ioctl_init()
3355 req->InputOffset = in SMB2_ioctl_init()
3357 rqst->rq_nvec = 2; in SMB2_ioctl_init()
3358 iov[0].iov_len = total_len - 1; in SMB2_ioctl_init()
3362 rqst->rq_nvec = 1; in SMB2_ioctl_init()
3366 req->OutputOffset = 0; in SMB2_ioctl_init()
3367 req->OutputCount = 0; /* MBZ */ in SMB2_ioctl_init()
3384 req->MaxOutputResponse = cpu_to_le32(max_response_size); in SMB2_ioctl_init()
3385 req->hdr.CreditCharge = in SMB2_ioctl_init()
3389 req->Flags = cpu_to_le32(SMB2_0_IOCTL_IS_FSCTL); in SMB2_ioctl_init()
3391 /* validate negotiate request must be signed - see MS-SMB2 3.2.5.5 */ in SMB2_ioctl_init()
3393 req->hdr.Flags |= SMB2_FLAGS_SIGNED; in SMB2_ioctl_init()
3403 if (rqst && rqst->rq_iov) { in SMB2_ioctl_free()
3404 cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_ioctl_free()
3405 for (i = 1; i < rqst->rq_nvec; i++) in SMB2_ioctl_free()
3406 if (rqst->rq_iov[i].iov_base != smb2_padding) in SMB2_ioctl_free()
3407 kfree(rqst->rq_iov[i].iov_base); in SMB2_ioctl_free()
3416 SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, in SMB2_ioctl() argument
3432 if (!tcon) in SMB2_ioctl()
3433 return -EIO; in SMB2_ioctl()
3435 ses = tcon->ses; in SMB2_ioctl()
3437 return -EIO; in SMB2_ioctl()
3445 return -EIO; in SMB2_ioctl()
3456 if (smb3_encryption_required(tcon)) in SMB2_ioctl()
3464 rc = SMB2_ioctl_init(tcon, server, in SMB2_ioctl()
3479 trace_smb3_fsctl_err(xid, persistent_fid, tcon->tid, in SMB2_ioctl()
3480 ses->Suid, 0, opcode, rc); in SMB2_ioctl()
3482 if ((rc != 0) && (rc != -EINVAL) && (rc != -E2BIG)) { in SMB2_ioctl()
3483 cifs_stats_fail_inc(tcon, SMB2_IOCTL_HE); in SMB2_ioctl()
3485 } else if (rc == -EINVAL) { in SMB2_ioctl()
3488 cifs_stats_fail_inc(tcon, SMB2_IOCTL_HE); in SMB2_ioctl()
3491 } else if (rc == -E2BIG) { in SMB2_ioctl()
3493 cifs_stats_fail_inc(tcon, SMB2_IOCTL_HE); in SMB2_ioctl()
3508 rc = -EIO; in SMB2_ioctl()
3512 *plen = le32_to_cpu(rsp->OutputCount); in SMB2_ioctl()
3520 rc = -EIO; in SMB2_ioctl()
3524 if (rsp_iov.iov_len - *plen < le32_to_cpu(rsp->OutputOffset)) { in SMB2_ioctl()
3526 le32_to_cpu(rsp->OutputOffset)); in SMB2_ioctl()
3528 rc = -EIO; in SMB2_ioctl()
3532 *out_data = kmemdup((char *)rsp + le32_to_cpu(rsp->OutputOffset), in SMB2_ioctl()
3535 rc = -ENOMEM; in SMB2_ioctl()
3544 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_ioctl()
3555 SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_set_compression() argument
3565 rc = SMB2_ioctl(xid, tcon, persistent_fid, volatile_fid, in SMB2_set_compression()
3577 SMB2_close_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_close_init() argument
3582 struct kvec *iov = rqst->rq_iov; in SMB2_close_init()
3586 rc = smb2_plain_req_init(SMB2_CLOSE, tcon, server, in SMB2_close_init()
3591 req->PersistentFileId = persistent_fid; in SMB2_close_init()
3592 req->VolatileFileId = volatile_fid; in SMB2_close_init()
3594 req->Flags = SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB; in SMB2_close_init()
3596 req->Flags = 0; in SMB2_close_init()
3606 if (rqst && rqst->rq_iov) in SMB2_close_free()
3607 cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_close_free()
3611 __SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, in __SMB2_close() argument
3617 struct cifs_ses *ses = tcon->ses; in __SMB2_close()
3636 return -EIO; in __SMB2_close()
3638 if (smb3_encryption_required(tcon)) in __SMB2_close()
3650 trace_smb3_close_enter(xid, persistent_fid, tcon->tid, ses->Suid); in __SMB2_close()
3651 rc = SMB2_close_init(tcon, server, in __SMB2_close()
3665 cifs_stats_fail_inc(tcon, SMB2_CLOSE_HE); in __SMB2_close()
3666 trace_smb3_close_err(xid, persistent_fid, tcon->tid, ses->Suid, in __SMB2_close()
3670 trace_smb3_close_done(xid, persistent_fid, tcon->tid, in __SMB2_close()
3671 ses->Suid); in __SMB2_close()
3673 memcpy(&pbuf->network_open_info, in __SMB2_close()
3674 &rsp->network_open_info, in __SMB2_close()
3675 sizeof(pbuf->network_open_info)); in __SMB2_close()
3676 atomic_dec(&tcon->num_remote_opens); in __SMB2_close()
3687 tmp_rc = smb2_handle_cancelled_close(tcon, persistent_fid, in __SMB2_close()
3695 smb2_should_replay(tcon, &retries, &cur_sleep)) in __SMB2_close()
3702 SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_close() argument
3705 return __SMB2_close(xid, tcon, persistent_fid, volatile_fid, NULL); in SMB2_close()
3712 unsigned int smb_len = iov->iov_len; in smb2_validate_iov()
3713 char *end_of_smb = smb_len + (char *)iov->iov_base; in smb2_validate_iov()
3714 char *begin_of_buf = offset + (char *)iov->iov_base; in smb2_validate_iov()
3721 return -EINVAL; in smb2_validate_iov()
3728 return -EINVAL; in smb2_validate_iov()
3733 return -EINVAL; in smb2_validate_iov()
3748 char *begin_of_buf = offset + (char *)iov->iov_base; in smb2_validate_and_copy_iov()
3752 return -EINVAL; in smb2_validate_and_copy_iov()
3764 SMB2_query_info_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_query_info_init() argument
3771 struct kvec *iov = rqst->rq_iov; in SMB2_query_info_init()
3778 return -EINVAL; in SMB2_query_info_init()
3780 rc = smb2_plain_req_init(SMB2_QUERY_INFO, tcon, server, in SMB2_query_info_init()
3785 req->InfoType = info_type; in SMB2_query_info_init()
3786 req->FileInfoClass = info_class; in SMB2_query_info_init()
3787 req->PersistentFileId = persistent_fid; in SMB2_query_info_init()
3788 req->VolatileFileId = volatile_fid; in SMB2_query_info_init()
3789 req->AdditionalInformation = cpu_to_le32(additional_info); in SMB2_query_info_init()
3791 req->OutputBufferLength = cpu_to_le32(output_len); in SMB2_query_info_init()
3793 req->InputBufferLength = cpu_to_le32(input_len); in SMB2_query_info_init()
3795 req->InputBufferOffset = cpu_to_le16(total_len - 1); in SMB2_query_info_init()
3796 memcpy(req->Buffer, input, input_len); in SMB2_query_info_init()
3808 if (rqst && rqst->rq_iov) in SMB2_query_info_free()
3809 cifs_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_query_info_free()
3813 query_info(const unsigned int xid, struct cifs_tcon *tcon, in query_info() argument
3824 struct cifs_ses *ses = tcon->ses; in query_info()
3833 return -EIO; in query_info()
3842 return -EIO; in query_info()
3844 if (smb3_encryption_required(tcon)) in query_info()
3852 rc = SMB2_query_info_init(tcon, server, in query_info()
3859 trace_smb3_query_info_enter(xid, persistent_fid, tcon->tid, in query_info()
3860 ses->Suid, info_class, (__u32)info_type); in query_info()
3870 cifs_stats_fail_inc(tcon, SMB2_QUERY_INFO_HE); in query_info()
3871 trace_smb3_query_info_err(xid, persistent_fid, tcon->tid, in query_info()
3872 ses->Suid, info_class, (__u32)info_type, rc); in query_info()
3876 trace_smb3_query_info_done(xid, persistent_fid, tcon->tid, in query_info()
3877 ses->Suid, info_class, (__u32)info_type); in query_info()
3880 *dlen = le32_to_cpu(rsp->OutputBufferLength); in query_info()
3888 rc = -ENOMEM; in query_info()
3895 rc = smb2_validate_and_copy_iov(le16_to_cpu(rsp->OutputBufferOffset), in query_info()
3896 le32_to_cpu(rsp->OutputBufferLength), in query_info()
3909 smb2_should_replay(tcon, &retries, &cur_sleep)) in query_info()
3915 int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_query_info() argument
3918 return query_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_query_info()
3928 SMB311_posix_query_info(const unsigned int xid, struct cifs_tcon *tcon,
3935 return query_info(xid, tcon, persistent_fid, volatile_fid,
3943 SMB2_query_acl(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_query_acl() argument
3951 return query_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_query_acl()
3957 SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_get_srv_num() argument
3960 return query_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_get_srv_num()
3969 * See MS-SMB2 2.2.35 and 2.2.36
3974 struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_notify_init() argument
3979 struct kvec *iov = rqst->rq_iov; in SMB2_notify_init()
3983 rc = smb2_plain_req_init(SMB2_CHANGE_NOTIFY, tcon, server, in SMB2_notify_init()
3988 req->PersistentFileId = persistent_fid; in SMB2_notify_init()
3989 req->VolatileFileId = volatile_fid; in SMB2_notify_init()
3990 /* See note 354 of MS-SMB2, 64K max */ in SMB2_notify_init()
3991 req->OutputBufferLength = in SMB2_notify_init()
3992 cpu_to_le32(SMB2_MAX_BUFFER_SIZE - MAX_SMB2_HDR_SIZE); in SMB2_notify_init()
3993 req->CompletionFilter = cpu_to_le32(completion_filter); in SMB2_notify_init()
3995 req->Flags = cpu_to_le16(SMB2_WATCH_TREE); in SMB2_notify_init()
3997 req->Flags = 0; in SMB2_notify_init()
4006 SMB2_change_notify(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_change_notify() argument
4011 struct cifs_ses *ses = tcon->ses; in SMB2_change_notify()
4029 return -EIO; in SMB2_change_notify()
4031 if (smb3_encryption_required(tcon)) in SMB2_change_notify()
4042 rc = SMB2_notify_init(xid, &rqst, tcon, server, in SMB2_change_notify()
4048 trace_smb3_notify_enter(xid, persistent_fid, tcon->tid, ses->Suid, in SMB2_change_notify()
4058 cifs_stats_fail_inc(tcon, SMB2_CHANGE_NOTIFY_HE); in SMB2_change_notify()
4059 trace_smb3_notify_err(xid, persistent_fid, tcon->tid, ses->Suid, in SMB2_change_notify()
4062 trace_smb3_notify_done(xid, persistent_fid, tcon->tid, in SMB2_change_notify()
4063 ses->Suid, (u8)watch_tree, completion_filter); in SMB2_change_notify()
4071 smb2_validate_iov(le16_to_cpu(smb_rsp->OutputBufferOffset), in SMB2_change_notify()
4072 le32_to_cpu(smb_rsp->OutputBufferLength), &rsp_iov, in SMB2_change_notify()
4075 *out_data = kmemdup((char *)smb_rsp + le16_to_cpu(smb_rsp->OutputBufferOffset), in SMB2_change_notify()
4076 le32_to_cpu(smb_rsp->OutputBufferLength), GFP_KERNEL); in SMB2_change_notify()
4078 rc = -ENOMEM; in SMB2_change_notify()
4081 *plen = le32_to_cpu(smb_rsp->OutputBufferLength); in SMB2_change_notify()
4090 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_change_notify()
4099 * This is a no-op for now. We're not really interested in the reply, but
4100 * rather in the fact that the server sent one and that server->lstrp
4108 struct TCP_Server_Info *server = mid->callback_data; in smb2_echo_callback()
4109 struct smb2_echo_rsp *rsp = (struct smb2_echo_rsp *)mid->resp_buf; in smb2_echo_callback()
4112 if (mid->mid_state == MID_RESPONSE_RECEIVED in smb2_echo_callback()
4113 || mid->mid_state == MID_RESPONSE_MALFORMED) { in smb2_echo_callback()
4114 credits.value = le16_to_cpu(rsp->hdr.CreditRequest); in smb2_echo_callback()
4115 credits.instance = server->reconnect_instance; in smb2_echo_callback()
4128 struct cifs_tcon *tcon, *tcon2; in smb2_reconnect_server() local
4137 if (!server->srv_count) { in smb2_reconnect_server()
4141 server->srv_count++; in smb2_reconnect_server()
4144 /* If server is a channel, select the primary channel */ in smb2_reconnect_server()
4145 pserver = SERVER_IS_CHAN(server) ? server->primary_server : server; in smb2_reconnect_server()
4147 /* Prevent simultaneous reconnects that can corrupt tcon->rlist list */ in smb2_reconnect_server()
4148 mutex_lock(&pserver->reconnect_mutex); in smb2_reconnect_server()
4151 if (server->terminate) { in smb2_reconnect_server()
4153 mutex_unlock(&pserver->reconnect_mutex); in smb2_reconnect_server()
4162 list_for_each_entry(ses, &pserver->smb_ses_list, smb_ses_list) { in smb2_reconnect_server()
4163 spin_lock(&ses->ses_lock); in smb2_reconnect_server()
4164 if (ses->ses_status == SES_EXITING) { in smb2_reconnect_server()
4165 spin_unlock(&ses->ses_lock); in smb2_reconnect_server()
4168 spin_unlock(&ses->ses_lock); in smb2_reconnect_server()
4172 list_for_each_entry(tcon, &ses->tcon_list, tcon_list) { in smb2_reconnect_server()
4173 if (tcon->need_reconnect || tcon->need_reopen_files) { in smb2_reconnect_server()
4174 tcon->tc_count++; in smb2_reconnect_server()
4175 trace_smb3_tcon_ref(tcon->debug_id, tcon->tc_count, in smb2_reconnect_server()
4177 list_add_tail(&tcon->rlist, &tmp_list); in smb2_reconnect_server()
4185 if (ses->tcon_ipc && ses->tcon_ipc->need_reconnect) { in smb2_reconnect_server()
4186 list_add_tail(&ses->tcon_ipc->rlist, &tmp_list); in smb2_reconnect_server()
4191 * handle the case where channel needs to reconnect in smb2_reconnect_server()
4192 * binding session, but tcon is healthy (some other channel in smb2_reconnect_server()
4195 spin_lock(&ses->chan_lock); in smb2_reconnect_server()
4197 list_add_tail(&ses->rlist, &tmp_ses_list); in smb2_reconnect_server()
4201 spin_unlock(&ses->chan_lock); in smb2_reconnect_server()
4205 list_for_each_entry_safe(tcon, tcon2, &tmp_list, rlist) { in smb2_reconnect_server()
4206 rc = smb2_reconnect(SMB2_INTERNAL_CMD, tcon, server, true); in smb2_reconnect_server()
4208 cifs_reopen_persistent_handles(tcon); in smb2_reconnect_server()
4211 list_del_init(&tcon->rlist); in smb2_reconnect_server()
4212 if (tcon->ipc) in smb2_reconnect_server()
4213 cifs_put_smb_ses(tcon->ses); in smb2_reconnect_server()
4215 cifs_put_tcon(tcon, netfs_trace_tcon_ref_put_reconnect_server); in smb2_reconnect_server()
4221 /* allocate a dummy tcon struct used for reconnect */ in smb2_reconnect_server()
4222 tcon = tcon_info_alloc(false, netfs_trace_tcon_ref_new_reconnect_server); in smb2_reconnect_server()
4223 if (!tcon) { in smb2_reconnect_server()
4226 list_del_init(&ses->rlist); in smb2_reconnect_server()
4231 tcon->status = TID_GOOD; in smb2_reconnect_server()
4232 tcon->dummy = true; in smb2_reconnect_server()
4236 tcon->ses = ses; in smb2_reconnect_server()
4237 rc = smb2_reconnect(SMB2_INTERNAL_CMD, tcon, server, true); in smb2_reconnect_server()
4240 list_del_init(&ses->rlist); in smb2_reconnect_server()
4243 tconInfoFree(tcon, netfs_trace_tcon_ref_free_reconnect_server); in smb2_reconnect_server()
4248 queue_delayed_work(cifsiod_wq, &server->reconnect, 2 * HZ); in smb2_reconnect_server()
4249 mutex_unlock(&pserver->reconnect_mutex); in smb2_reconnect_server()
4265 cifs_dbg(FYI, "In echo request for conn_id %lld\n", server->conn_id); in SMB2_echo()
4267 spin_lock(&server->srv_lock); in SMB2_echo()
4268 if (server->ops->need_neg && in SMB2_echo()
4269 server->ops->need_neg(server)) { in SMB2_echo()
4270 spin_unlock(&server->srv_lock); in SMB2_echo()
4272 mod_delayed_work(cifsiod_wq, &server->reconnect, 0); in SMB2_echo()
4275 spin_unlock(&server->srv_lock); in SMB2_echo()
4282 req->hdr.CreditRequest = cpu_to_le16(1); in SMB2_echo()
4299 if (rqst && rqst->rq_iov) in SMB2_flush_free()
4300 cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_flush_free()
4305 struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_flush_init() argument
4309 struct kvec *iov = rqst->rq_iov; in SMB2_flush_init()
4313 rc = smb2_plain_req_init(SMB2_FLUSH, tcon, server, in SMB2_flush_init()
4318 req->PersistentFileId = persistent_fid; in SMB2_flush_init()
4319 req->VolatileFileId = volatile_fid; in SMB2_flush_init()
4328 SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, in SMB2_flush() argument
4331 struct cifs_ses *ses = tcon->ses; in SMB2_flush()
4347 if (!ses || !(ses->server)) in SMB2_flush()
4348 return -EIO; in SMB2_flush()
4350 if (smb3_encryption_required(tcon)) in SMB2_flush()
4358 rc = SMB2_flush_init(xid, &rqst, tcon, server, in SMB2_flush()
4363 trace_smb3_flush_enter(xid, persistent_fid, tcon->tid, ses->Suid); in SMB2_flush()
4372 cifs_stats_fail_inc(tcon, SMB2_FLUSH_HE); in SMB2_flush()
4373 trace_smb3_flush_err(xid, persistent_fid, tcon->tid, ses->Suid, in SMB2_flush()
4376 trace_smb3_flush_done(xid, persistent_fid, tcon->tid, in SMB2_flush()
4377 ses->Suid); in SMB2_flush()
4384 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_flush()
4393 struct TCP_Server_Info *server = io_parms->server; in smb3_use_rdma_offload()
4394 struct cifs_tcon *tcon = io_parms->tcon; in smb3_use_rdma_offload() local
4397 if (!server || !tcon) in smb3_use_rdma_offload()
4401 if (!server->rdma || !server->smbd_conn) in smb3_use_rdma_offload()
4405 if (server->sign) in smb3_use_rdma_offload()
4409 if (smb3_encryption_required(tcon)) in smb3_use_rdma_offload()
4413 if (io_parms->length < server->smbd_conn->rdma_readwrite_threshold) in smb3_use_rdma_offload()
4429 int rc = -EACCES; in smb2_new_read_req()
4432 struct TCP_Server_Info *server = io_parms->server; in smb2_new_read_req()
4434 rc = smb2_plain_req_init(SMB2_READ, io_parms->tcon, server, in smb2_new_read_req()
4440 return -ECONNABORTED; in smb2_new_read_req()
4442 shdr = &req->hdr; in smb2_new_read_req()
4443 shdr->Id.SyncId.ProcessId = cpu_to_le32(io_parms->pid); in smb2_new_read_req()
4445 req->PersistentFileId = io_parms->persistent_fid; in smb2_new_read_req()
4446 req->VolatileFileId = io_parms->volatile_fid; in smb2_new_read_req()
4447 req->ReadChannelInfoOffset = 0; /* reserved */ in smb2_new_read_req()
4448 req->ReadChannelInfoLength = 0; /* reserved */ in smb2_new_read_req()
4449 req->Channel = 0; /* reserved */ in smb2_new_read_req()
4450 req->MinimumCount = 0; in smb2_new_read_req()
4451 req->Length = cpu_to_le32(io_parms->length); in smb2_new_read_req()
4452 req->Offset = cpu_to_le64(io_parms->offset); in smb2_new_read_req()
4455 io_parms->persistent_fid, in smb2_new_read_req()
4456 io_parms->tcon->tid, io_parms->tcon->ses->Suid, in smb2_new_read_req()
4457 io_parms->offset, io_parms->length); in smb2_new_read_req()
4465 bool need_invalidate = server->dialect == SMB30_PROT_ID; in smb2_new_read_req()
4467 rdata->mr = smbd_register_mr(server->smbd_conn, &rdata->iter, in smb2_new_read_req()
4469 if (!rdata->mr) in smb2_new_read_req()
4470 return -EAGAIN; in smb2_new_read_req()
4472 req->Channel = SMB2_CHANNEL_RDMA_V1_INVALIDATE; in smb2_new_read_req()
4474 req->Channel = SMB2_CHANNEL_RDMA_V1; in smb2_new_read_req()
4475 req->ReadChannelInfoOffset = in smb2_new_read_req()
4477 req->ReadChannelInfoLength = in smb2_new_read_req()
4479 v1 = (struct smbd_buffer_descriptor_v1 *) &req->Buffer[0]; in smb2_new_read_req()
4480 v1->offset = cpu_to_le64(rdata->mr->mr->iova); in smb2_new_read_req()
4481 v1->token = cpu_to_le32(rdata->mr->mr->rkey); in smb2_new_read_req()
4482 v1->length = cpu_to_le32(rdata->mr->mr->length); in smb2_new_read_req()
4484 *total_len += sizeof(*v1) - 1; in smb2_new_read_req()
4489 /* next 8-byte aligned request */ in smb2_new_read_req()
4491 shdr->NextCommand = cpu_to_le32(*total_len); in smb2_new_read_req()
4493 shdr->NextCommand = 0; in smb2_new_read_req()
4495 shdr->Flags |= SMB2_FLAGS_RELATED_OPERATIONS; in smb2_new_read_req()
4500 shdr->SessionId = cpu_to_le64(0xFFFFFFFFFFFFFFFF); in smb2_new_read_req()
4501 shdr->Id.SyncId.TreeId = cpu_to_le32(0xFFFFFFFF); in smb2_new_read_req()
4502 req->PersistentFileId = (u64)-1; in smb2_new_read_req()
4503 req->VolatileFileId = (u64)-1; in smb2_new_read_req()
4506 if (remaining_bytes > io_parms->length) in smb2_new_read_req()
4507 req->RemainingBytes = cpu_to_le32(remaining_bytes); in smb2_new_read_req()
4509 req->RemainingBytes = 0; in smb2_new_read_req()
4518 struct cifs_readdata *rdata = mid->callback_data; in smb2_readv_callback()
4519 struct cifs_tcon *tcon = tlink_tcon(rdata->cfile->tlink); in smb2_readv_callback() local
4520 struct TCP_Server_Info *server = rdata->server; in smb2_readv_callback()
4522 (struct smb2_hdr *)rdata->iov[0].iov_base; in smb2_readv_callback()
4524 struct smb_rqst rqst = { .rq_iov = &rdata->iov[1], .rq_nvec = 1 }; in smb2_readv_callback()
4526 if (rdata->got_bytes) { in smb2_readv_callback()
4527 rqst.rq_iter = rdata->iter; in smb2_readv_callback()
4528 rqst.rq_iter_size = iov_iter_count(&rdata->iter); in smb2_readv_callback()
4531 WARN_ONCE(rdata->server != mid->server, in smb2_readv_callback()
4533 rdata->server, mid->server); in smb2_readv_callback()
4536 __func__, mid->mid, mid->mid_state, rdata->result, in smb2_readv_callback()
4537 rdata->bytes); in smb2_readv_callback()
4539 switch (mid->mid_state) { in smb2_readv_callback()
4541 credits.value = le16_to_cpu(shdr->CreditRequest); in smb2_readv_callback()
4542 credits.instance = server->reconnect_instance; in smb2_readv_callback()
4544 if (server->sign && !mid->decrypted) { in smb2_readv_callback()
4547 iov_iter_revert(&rqst.rq_iter, rdata->got_bytes); in smb2_readv_callback()
4548 iov_iter_truncate(&rqst.rq_iter, rdata->got_bytes); in smb2_readv_callback()
4555 task_io_account_read(rdata->got_bytes); in smb2_readv_callback()
4556 cifs_stats_bytes_read(tcon, rdata->got_bytes); in smb2_readv_callback()
4560 rdata->result = -EAGAIN; in smb2_readv_callback()
4561 if (server->sign && rdata->got_bytes) in smb2_readv_callback()
4563 rdata->got_bytes = 0; in smb2_readv_callback()
4565 task_io_account_read(rdata->got_bytes); in smb2_readv_callback()
4566 cifs_stats_bytes_read(tcon, rdata->got_bytes); in smb2_readv_callback()
4569 credits.value = le16_to_cpu(shdr->CreditRequest); in smb2_readv_callback()
4570 credits.instance = server->reconnect_instance; in smb2_readv_callback()
4573 rdata->result = -EIO; in smb2_readv_callback()
4581 if (rdata->mr) { in smb2_readv_callback()
4582 smbd_deregister_mr(rdata->mr); in smb2_readv_callback()
4583 rdata->mr = NULL; in smb2_readv_callback()
4586 if (rdata->result && rdata->result != -ENODATA) { in smb2_readv_callback()
4587 cifs_stats_fail_inc(tcon, SMB2_READ_HE); in smb2_readv_callback()
4589 rdata->cfile->fid.persistent_fid, in smb2_readv_callback()
4590 tcon->tid, tcon->ses->Suid, rdata->offset, in smb2_readv_callback()
4591 rdata->bytes, rdata->result); in smb2_readv_callback()
4594 rdata->cfile->fid.persistent_fid, in smb2_readv_callback()
4595 tcon->tid, tcon->ses->Suid, in smb2_readv_callback()
4596 rdata->offset, rdata->got_bytes); in smb2_readv_callback()
4598 queue_work(cifsiod_wq, &rdata->work); in smb2_readv_callback()
4603 /* smb2_async_readv - send an async read, and set up mid to handle result */
4611 struct smb_rqst rqst = { .rq_iov = rdata->iov, in smb2_async_readv()
4614 struct cifs_tcon *tcon = tlink_tcon(rdata->cfile->tlink); in smb2_async_readv() local
4619 __func__, rdata->offset, rdata->bytes); in smb2_async_readv()
4621 if (!rdata->server) in smb2_async_readv()
4622 rdata->server = cifs_pick_channel(tcon->ses); in smb2_async_readv()
4624 io_parms.tcon = tlink_tcon(rdata->cfile->tlink); in smb2_async_readv()
4625 io_parms.server = server = rdata->server; in smb2_async_readv()
4626 io_parms.offset = rdata->offset; in smb2_async_readv()
4627 io_parms.length = rdata->bytes; in smb2_async_readv()
4628 io_parms.persistent_fid = rdata->cfile->fid.persistent_fid; in smb2_async_readv()
4629 io_parms.volatile_fid = rdata->cfile->fid.volatile_fid; in smb2_async_readv()
4630 io_parms.pid = rdata->pid; in smb2_async_readv()
4637 if (smb3_encryption_required(io_parms.tcon)) in smb2_async_readv()
4640 rdata->iov[0].iov_base = buf; in smb2_async_readv()
4641 rdata->iov[0].iov_len = total_len; in smb2_async_readv()
4645 if (rdata->credits.value > 0) { in smb2_async_readv()
4646 shdr->CreditCharge = cpu_to_le16(DIV_ROUND_UP(rdata->bytes, in smb2_async_readv()
4648 credit_request = le16_to_cpu(shdr->CreditCharge) + 8; in smb2_async_readv()
4649 if (server->credits >= server->max_credits) in smb2_async_readv()
4650 shdr->CreditRequest = cpu_to_le16(0); in smb2_async_readv()
4652 shdr->CreditRequest = cpu_to_le16( in smb2_async_readv()
4653 min_t(int, server->max_credits - in smb2_async_readv()
4654 server->credits, credit_request)); in smb2_async_readv()
4656 rc = adjust_credits(server, &rdata->credits, rdata->bytes); in smb2_async_readv()
4663 kref_get(&rdata->refcount); in smb2_async_readv()
4667 &rdata->credits); in smb2_async_readv()
4669 kref_put(&rdata->refcount, cifs_readdata_release); in smb2_async_readv()
4670 cifs_stats_fail_inc(io_parms.tcon, SMB2_READ_HE); in smb2_async_readv()
4672 io_parms.tcon->tid, in smb2_async_readv()
4673 io_parms.tcon->ses->Suid, in smb2_async_readv()
4694 struct cifs_ses *ses = io_parms->tcon->ses; in SMB2_read()
4696 if (!io_parms->server) in SMB2_read()
4697 io_parms->server = cifs_pick_channel(io_parms->tcon->ses); in SMB2_read()
4704 if (smb3_encryption_required(io_parms->tcon)) in SMB2_read()
4714 rc = cifs_send_recv(xid, ses, io_parms->server, in SMB2_read()
4719 if (rc != -ENODATA) { in SMB2_read()
4720 cifs_stats_fail_inc(io_parms->tcon, SMB2_READ_HE); 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()
4728 trace_smb3_read_done(xid, req->PersistentFileId, io_parms->tcon->tid, in SMB2_read()
4729 ses->Suid, io_parms->offset, 0); in SMB2_read()
4732 return rc == -ENODATA ? 0 : rc; in SMB2_read()
4735 req->PersistentFileId, in SMB2_read()
4736 io_parms->tcon->tid, ses->Suid, in SMB2_read()
4737 io_parms->offset, io_parms->length); in SMB2_read()
4741 *nbytes = le32_to_cpu(rsp->DataLength); in SMB2_read()
4743 (*nbytes > io_parms->length)) { in SMB2_read()
4745 *nbytes, io_parms->length); in SMB2_read()
4746 rc = -EIO; in SMB2_read()
4751 memcpy(*buf, (char *)rsp + rsp->DataOffset, *nbytes); in SMB2_read()
4770 struct cifs_writedata *wdata = mid->callback_data; in smb2_writev_callback()
4771 struct cifs_tcon *tcon = tlink_tcon(wdata->cfile->tlink); in smb2_writev_callback() local
4772 struct TCP_Server_Info *server = wdata->server; in smb2_writev_callback()
4774 struct smb2_write_rsp *rsp = (struct smb2_write_rsp *)mid->resp_buf; in smb2_writev_callback()
4777 WARN_ONCE(wdata->server != mid->server, in smb2_writev_callback()
4779 wdata->server, mid->server); in smb2_writev_callback()
4781 switch (mid->mid_state) { in smb2_writev_callback()
4783 credits.value = le16_to_cpu(rsp->hdr.CreditRequest); in smb2_writev_callback()
4784 credits.instance = server->reconnect_instance; in smb2_writev_callback()
4785 wdata->result = smb2_check_receive(mid, server, 0); in smb2_writev_callback()
4786 if (wdata->result != 0) in smb2_writev_callback()
4789 written = le32_to_cpu(rsp->DataLength); in smb2_writev_callback()
4796 if (written > wdata->bytes) in smb2_writev_callback()
4799 if (written < wdata->bytes) in smb2_writev_callback()
4800 wdata->result = -ENOSPC; in smb2_writev_callback()
4802 wdata->bytes = written; in smb2_writev_callback()
4806 wdata->result = -EAGAIN; in smb2_writev_callback()
4809 credits.value = le16_to_cpu(rsp->hdr.CreditRequest); in smb2_writev_callback()
4810 credits.instance = server->reconnect_instance; in smb2_writev_callback()
4813 wdata->result = -EIO; in smb2_writev_callback()
4824 if (wdata->mr) { in smb2_writev_callback()
4825 smbd_deregister_mr(wdata->mr); in smb2_writev_callback()
4826 wdata->mr = NULL; in smb2_writev_callback()
4829 if (wdata->result) { in smb2_writev_callback()
4830 cifs_stats_fail_inc(tcon, SMB2_WRITE_HE); in smb2_writev_callback()
4832 wdata->cfile->fid.persistent_fid, in smb2_writev_callback()
4833 tcon->tid, tcon->ses->Suid, wdata->offset, in smb2_writev_callback()
4834 wdata->bytes, wdata->result); in smb2_writev_callback()
4835 if (wdata->result == -ENOSPC) in smb2_writev_callback()
4837 tcon->tree_name); in smb2_writev_callback()
4840 wdata->cfile->fid.persistent_fid, in smb2_writev_callback()
4841 tcon->tid, tcon->ses->Suid, in smb2_writev_callback()
4842 wdata->offset, wdata->bytes); in smb2_writev_callback()
4844 queue_work(cifsiod_wq, &wdata->work); in smb2_writev_callback()
4849 /* smb2_async_writev - send an async write, and set up mid to handle result */
4854 int rc = -EACCES, flags = 0; in smb2_async_writev()
4857 struct cifs_tcon *tcon = tlink_tcon(wdata->cfile->tlink); in smb2_async_writev() local
4858 struct TCP_Server_Info *server = wdata->server; in smb2_async_writev()
4866 if (!wdata->server || wdata->replay) in smb2_async_writev()
4867 server = wdata->server = cifs_pick_channel(tcon->ses); in smb2_async_writev()
4874 .tcon = tcon, in smb2_async_writev()
4876 .offset = wdata->offset, in smb2_async_writev()
4877 .length = wdata->bytes, in smb2_async_writev()
4878 .persistent_fid = wdata->cfile->fid.persistent_fid, in smb2_async_writev()
4879 .volatile_fid = wdata->cfile->fid.volatile_fid, in smb2_async_writev()
4880 .pid = wdata->pid, in smb2_async_writev()
4884 rc = smb2_plain_req_init(SMB2_WRITE, tcon, server, in smb2_async_writev()
4889 if (smb3_encryption_required(tcon)) in smb2_async_writev()
4893 shdr->Id.SyncId.ProcessId = cpu_to_le32(io_parms->pid); in smb2_async_writev()
4895 req->PersistentFileId = io_parms->persistent_fid; in smb2_async_writev()
4896 req->VolatileFileId = io_parms->volatile_fid; in smb2_async_writev()
4897 req->WriteChannelInfoOffset = 0; in smb2_async_writev()
4898 req->WriteChannelInfoLength = 0; in smb2_async_writev()
4899 req->Channel = SMB2_CHANNEL_NONE; in smb2_async_writev()
4900 req->Offset = cpu_to_le64(io_parms->offset); in smb2_async_writev()
4901 req->DataOffset = cpu_to_le16( in smb2_async_writev()
4903 req->RemainingBytes = 0; in smb2_async_writev()
4906 io_parms->persistent_fid, in smb2_async_writev()
4907 io_parms->tcon->tid, in smb2_async_writev()
4908 io_parms->tcon->ses->Suid, in smb2_async_writev()
4909 io_parms->offset, in smb2_async_writev()
4910 io_parms->length); in smb2_async_writev()
4919 size_t data_size = iov_iter_count(&wdata->iter); in smb2_async_writev()
4920 bool need_invalidate = server->dialect == SMB30_PROT_ID; in smb2_async_writev()
4922 wdata->mr = smbd_register_mr(server->smbd_conn, &wdata->iter, in smb2_async_writev()
4924 if (!wdata->mr) { in smb2_async_writev()
4925 rc = -EAGAIN; in smb2_async_writev()
4928 req->Length = 0; in smb2_async_writev()
4929 req->DataOffset = 0; in smb2_async_writev()
4930 req->RemainingBytes = cpu_to_le32(data_size); in smb2_async_writev()
4931 req->Channel = SMB2_CHANNEL_RDMA_V1_INVALIDATE; in smb2_async_writev()
4933 req->Channel = SMB2_CHANNEL_RDMA_V1; in smb2_async_writev()
4934 req->WriteChannelInfoOffset = in smb2_async_writev()
4936 req->WriteChannelInfoLength = in smb2_async_writev()
4938 v1 = (struct smbd_buffer_descriptor_v1 *) &req->Buffer[0]; in smb2_async_writev()
4939 v1->offset = cpu_to_le64(wdata->mr->mr->iova); in smb2_async_writev()
4940 v1->token = cpu_to_le32(wdata->mr->mr->rkey); in smb2_async_writev()
4941 v1->length = cpu_to_le32(wdata->mr->mr->length); in smb2_async_writev()
4944 iov[0].iov_len = total_len - 1; in smb2_async_writev()
4949 rqst.rq_iter = wdata->iter; in smb2_async_writev()
4951 if (wdata->replay) in smb2_async_writev()
4954 if (wdata->mr) in smb2_async_writev()
4958 io_parms->offset, io_parms->length, iov_iter_count(&rqst.rq_iter)); in smb2_async_writev()
4962 if (!wdata->mr) in smb2_async_writev()
4963 req->Length = cpu_to_le32(io_parms->length); in smb2_async_writev()
4965 req->Length = cpu_to_le32(io_parms->length); in smb2_async_writev()
4968 if (wdata->credits.value > 0) { in smb2_async_writev()
4969 shdr->CreditCharge = cpu_to_le16(DIV_ROUND_UP(wdata->bytes, in smb2_async_writev()
4971 credit_request = le16_to_cpu(shdr->CreditCharge) + 8; in smb2_async_writev()
4972 if (server->credits >= server->max_credits) in smb2_async_writev()
4973 shdr->CreditRequest = cpu_to_le16(0); in smb2_async_writev()
4975 shdr->CreditRequest = cpu_to_le16( in smb2_async_writev()
4976 min_t(int, server->max_credits - in smb2_async_writev()
4977 server->credits, credit_request)); in smb2_async_writev()
4979 rc = adjust_credits(server, &wdata->credits, io_parms->length); in smb2_async_writev()
4986 kref_get(&wdata->refcount); in smb2_async_writev()
4988 wdata, flags, &wdata->credits); in smb2_async_writev()
4992 io_parms->persistent_fid, in smb2_async_writev()
4993 io_parms->tcon->tid, in smb2_async_writev()
4994 io_parms->tcon->ses->Suid, in smb2_async_writev()
4995 io_parms->offset, in smb2_async_writev()
4996 io_parms->length, in smb2_async_writev()
4998 kref_put(&wdata->refcount, release); in smb2_async_writev()
4999 cifs_stats_fail_inc(tcon, SMB2_WRITE_HE); in smb2_async_writev()
5032 if (!io_parms->server) in SMB2_write()
5033 io_parms->server = cifs_pick_channel(io_parms->tcon->ses); in SMB2_write()
5034 server = io_parms->server; in SMB2_write()
5036 return -ECONNABORTED; in SMB2_write()
5041 rc = smb2_plain_req_init(SMB2_WRITE, io_parms->tcon, server, in SMB2_write()
5046 if (smb3_encryption_required(io_parms->tcon)) in SMB2_write()
5049 req->hdr.Id.SyncId.ProcessId = cpu_to_le32(io_parms->pid); in SMB2_write()
5051 req->PersistentFileId = io_parms->persistent_fid; in SMB2_write()
5052 req->VolatileFileId = io_parms->volatile_fid; in SMB2_write()
5053 req->WriteChannelInfoOffset = 0; in SMB2_write()
5054 req->WriteChannelInfoLength = 0; in SMB2_write()
5055 req->Channel = 0; in SMB2_write()
5056 req->Length = cpu_to_le32(io_parms->length); in SMB2_write()
5057 req->Offset = cpu_to_le64(io_parms->offset); in SMB2_write()
5058 req->DataOffset = cpu_to_le16( in SMB2_write()
5060 req->RemainingBytes = 0; in SMB2_write()
5062 trace_smb3_write_enter(xid, io_parms->persistent_fid, in SMB2_write()
5063 io_parms->tcon->tid, io_parms->tcon->ses->Suid, in SMB2_write()
5064 io_parms->offset, io_parms->length); in SMB2_write()
5068 iov[0].iov_len = total_len - 1; in SMB2_write()
5077 rc = cifs_send_recv(xid, io_parms->tcon->ses, server, in SMB2_write()
5084 req->PersistentFileId, in SMB2_write()
5085 io_parms->tcon->tid, in SMB2_write()
5086 io_parms->tcon->ses->Suid, in SMB2_write()
5087 io_parms->offset, io_parms->length, rc); in SMB2_write()
5088 cifs_stats_fail_inc(io_parms->tcon, SMB2_WRITE_HE); in SMB2_write()
5091 *nbytes = le32_to_cpu(rsp->DataLength); in SMB2_write()
5093 req->PersistentFileId, in SMB2_write()
5094 io_parms->tcon->tid, in SMB2_write()
5095 io_parms->tcon->ses->Suid, in SMB2_write()
5096 io_parms->offset, *nbytes); in SMB2_write()
5103 smb2_should_replay(io_parms->tcon, &retries, &cur_sleep)) in SMB2_write()
5115 return -1; in posix_info_sid_size()
5119 return -1; in posix_info_sid_size()
5123 return -1; in posix_info_sid_size()
5143 end = beg + le32_to_cpu(p->NextEntryOffset); in posix_info_parse()
5151 return -1; in posix_info_parse()
5158 return -1; in posix_info_parse()
5165 return -1; in posix_info_parse()
5170 return -1; in posix_info_parse()
5173 return -1; in posix_info_parse()
5179 return -1; in posix_info_parse()
5183 out->base = beg; in posix_info_parse()
5184 out->size = total_len; in posix_info_parse()
5185 out->name_len = name_len; in posix_info_parse()
5186 out->name = name; in posix_info_parse()
5187 memcpy(&out->owner, owner_sid, owner_len); in posix_info_parse()
5188 memcpy(&out->group, group_sid, group_len); in posix_info_parse()
5198 return -1; in posix_info_extra_size()
5199 return len - sizeof(struct smb2_posix_info); in posix_info_extra_size()
5231 len = le32_to_cpu(dir_info->FileNameLength); in num_entries()
5245 next_offset = le32_to_cpu(dir_info->NextEntryOffset); in num_entries()
5257 struct cifs_tcon *tcon, in SMB2_query_directory_init() argument
5266 unsigned int output_size = CIFSMaxBufSize - in SMB2_query_directory_init()
5267 MAX_SMB2_CREATE_RESPONSE_SIZE - in SMB2_query_directory_init()
5270 struct kvec *iov = rqst->rq_iov; in SMB2_query_directory_init()
5273 rc = smb2_plain_req_init(SMB2_QUERY_DIRECTORY, tcon, server, in SMB2_query_directory_init()
5280 req->FileInformationClass = FILE_DIRECTORY_INFORMATION; in SMB2_query_directory_init()
5283 req->FileInformationClass = FILEID_FULL_DIRECTORY_INFORMATION; in SMB2_query_directory_init()
5286 req->FileInformationClass = SMB_FIND_FILE_POSIX_INFO; in SMB2_query_directory_init()
5289 req->FileInformationClass = FILE_FULL_DIRECTORY_INFORMATION; in SMB2_query_directory_init()
5294 return -EINVAL; in SMB2_query_directory_init()
5297 req->FileIndex = cpu_to_le32(index); in SMB2_query_directory_init()
5298 req->PersistentFileId = persistent_fid; in SMB2_query_directory_init()
5299 req->VolatileFileId = volatile_fid; in SMB2_query_directory_init()
5302 bufptr = req->Buffer; in SMB2_query_directory_init()
5305 req->FileNameOffset = in SMB2_query_directory_init()
5307 req->FileNameLength = cpu_to_le16(len); in SMB2_query_directory_init()
5312 output_size = min_t(unsigned int, output_size, server->maxBuf); in SMB2_query_directory_init()
5314 req->OutputBufferLength = cpu_to_le32(output_size); in SMB2_query_directory_init()
5318 iov[0].iov_len = total_len - 1; in SMB2_query_directory_init()
5320 iov[1].iov_base = (char *)(req->Buffer); in SMB2_query_directory_init()
5323 trace_smb3_query_dir_enter(xid, persistent_fid, tcon->tid, in SMB2_query_directory_init()
5324 tcon->ses->Suid, index, output_size); in SMB2_query_directory_init()
5331 if (rqst && rqst->rq_iov) { in SMB2_query_directory_free()
5332 cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_query_directory_free()
5337 smb2_parse_query_directory(struct cifs_tcon *tcon, in smb2_parse_query_directory() argument
5347 rsp = (struct smb2_query_directory_rsp *)rsp_iov->iov_base; in smb2_parse_query_directory()
5349 switch (srch_inf->info_level) { in smb2_parse_query_directory()
5365 srch_inf->info_level); in smb2_parse_query_directory()
5366 return -EINVAL; in smb2_parse_query_directory()
5369 rc = smb2_validate_iov(le16_to_cpu(rsp->OutputBufferOffset), in smb2_parse_query_directory()
5370 le32_to_cpu(rsp->OutputBufferLength), rsp_iov, in smb2_parse_query_directory()
5377 srch_inf->unicode = true; in smb2_parse_query_directory()
5379 if (srch_inf->ntwrk_buf_start) { in smb2_parse_query_directory()
5380 if (srch_inf->smallBuf) in smb2_parse_query_directory()
5381 cifs_small_buf_release(srch_inf->ntwrk_buf_start); in smb2_parse_query_directory()
5383 cifs_buf_release(srch_inf->ntwrk_buf_start); in smb2_parse_query_directory()
5385 srch_inf->ntwrk_buf_start = (char *)rsp; in smb2_parse_query_directory()
5386 srch_inf->srch_entries_start = srch_inf->last_entry = in smb2_parse_query_directory()
5387 (char *)rsp + le16_to_cpu(rsp->OutputBufferOffset); in smb2_parse_query_directory()
5388 end_of_smb = rsp_iov->iov_len + (char *)rsp; in smb2_parse_query_directory()
5390 srch_inf->entries_in_buffer = num_entries( in smb2_parse_query_directory()
5391 srch_inf->info_level, in smb2_parse_query_directory()
5392 srch_inf->srch_entries_start, in smb2_parse_query_directory()
5394 &srch_inf->last_entry, in smb2_parse_query_directory()
5397 srch_inf->index_of_last_entry += srch_inf->entries_in_buffer; in smb2_parse_query_directory()
5399 srch_inf->entries_in_buffer, srch_inf->index_of_last_entry, in smb2_parse_query_directory()
5400 srch_inf->srch_entries_start, srch_inf->last_entry); in smb2_parse_query_directory()
5402 srch_inf->smallBuf = false; in smb2_parse_query_directory()
5404 srch_inf->smallBuf = true; in smb2_parse_query_directory()
5412 SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_query_directory() argument
5422 struct cifs_ses *ses = tcon->ses; in SMB2_query_directory()
5432 if (!ses || !(ses->server)) in SMB2_query_directory()
5433 return -EIO; in SMB2_query_directory()
5435 if (smb3_encryption_required(tcon)) in SMB2_query_directory()
5443 rc = SMB2_query_directory_init(xid, tcon, server, in SMB2_query_directory()
5446 srch_inf->info_level); in SMB2_query_directory()
5458 if (rc == -ENODATA && in SMB2_query_directory()
5459 rsp->hdr.Status == STATUS_NO_MORE_FILES) { in SMB2_query_directory()
5461 tcon->tid, tcon->ses->Suid, index, 0); in SMB2_query_directory()
5462 srch_inf->endOfSearch = true; in SMB2_query_directory()
5465 trace_smb3_query_dir_err(xid, persistent_fid, tcon->tid, in SMB2_query_directory()
5466 tcon->ses->Suid, index, 0, rc); in SMB2_query_directory()
5467 cifs_stats_fail_inc(tcon, SMB2_QUERY_DIRECTORY_HE); in SMB2_query_directory()
5472 rc = smb2_parse_query_directory(tcon, &rsp_iov, resp_buftype, in SMB2_query_directory()
5475 trace_smb3_query_dir_err(xid, persistent_fid, tcon->tid, in SMB2_query_directory()
5476 tcon->ses->Suid, index, 0, rc); in SMB2_query_directory()
5481 trace_smb3_query_dir_done(xid, persistent_fid, tcon->tid, in SMB2_query_directory()
5482 tcon->ses->Suid, index, srch_inf->entries_in_buffer); in SMB2_query_directory()
5489 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_query_directory()
5496 SMB2_set_info_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_set_info_init() argument
5503 struct kvec *iov = rqst->rq_iov; in SMB2_set_info_init()
5507 rc = smb2_plain_req_init(SMB2_SET_INFO, tcon, server, in SMB2_set_info_init()
5512 req->hdr.Id.SyncId.ProcessId = cpu_to_le32(pid); in SMB2_set_info_init()
5513 req->InfoType = info_type; in SMB2_set_info_init()
5514 req->FileInfoClass = info_class; in SMB2_set_info_init()
5515 req->PersistentFileId = persistent_fid; in SMB2_set_info_init()
5516 req->VolatileFileId = volatile_fid; in SMB2_set_info_init()
5517 req->AdditionalInformation = cpu_to_le32(additional_info); in SMB2_set_info_init()
5519 req->BufferOffset = cpu_to_le16(sizeof(struct smb2_set_info_req)); in SMB2_set_info_init()
5520 req->BufferLength = cpu_to_le32(*size); in SMB2_set_info_init()
5522 memcpy(req->Buffer, *data, *size); in SMB2_set_info_init()
5527 iov[0].iov_len = total_len - 1; in SMB2_set_info_init()
5529 for (i = 1; i < rqst->rq_nvec; i++) { in SMB2_set_info_init()
5530 le32_add_cpu(&req->BufferLength, size[i]); in SMB2_set_info_init()
5541 if (rqst && rqst->rq_iov) in SMB2_set_info_free()
5542 cifs_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_set_info_free()
5546 send_set_info(const unsigned int xid, struct cifs_tcon *tcon, in send_set_info() argument
5557 struct cifs_ses *ses = tcon->ses; in send_set_info()
5568 return -EIO; in send_set_info()
5571 return -EINVAL; in send_set_info()
5573 if (smb3_encryption_required(tcon)) in send_set_info()
5578 return -ENOMEM; in send_set_info()
5584 rc = SMB2_set_info_init(tcon, server, in send_set_info()
5603 cifs_stats_fail_inc(tcon, SMB2_SET_INFO_HE); in send_set_info()
5604 trace_smb3_set_info_err(xid, persistent_fid, tcon->tid, in send_set_info()
5605 ses->Suid, info_class, (__u32)info_type, rc); in send_set_info()
5612 smb2_should_replay(tcon, &retries, &cur_sleep)) in send_set_info()
5619 SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, in SMB2_set_eof() argument
5631 trace_smb3_set_eof(xid, persistent_fid, tcon->tid, tcon->ses->Suid, new_eof); in SMB2_set_eof()
5633 return send_set_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_set_eof()
5639 SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_set_acl() argument
5643 return send_set_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_set_acl()
5644 current->tgid, 0, SMB2_O_INFO_SECURITY, aclflag, in SMB2_set_acl()
5649 SMB2_set_ea(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_set_ea() argument
5653 return send_set_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_set_ea()
5654 current->tgid, FILE_FULL_EA_INFORMATION, SMB2_O_INFO_FILE, in SMB2_set_ea()
5659 SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_oplock_break() argument
5666 struct cifs_ses *ses = tcon->ses; in SMB2_oplock_break()
5681 rc = smb2_plain_req_init(SMB2_OPLOCK_BREAK, tcon, server, in SMB2_oplock_break()
5686 if (smb3_encryption_required(tcon)) in SMB2_oplock_break()
5689 req->VolatileFid = volatile_fid; in SMB2_oplock_break()
5690 req->PersistentFid = persistent_fid; in SMB2_oplock_break()
5691 req->OplockLevel = oplock_level; in SMB2_oplock_break()
5692 req->hdr.CreditRequest = cpu_to_le16(1); in SMB2_oplock_break()
5710 cifs_stats_fail_inc(tcon, SMB2_OPLOCK_BREAK_HE); in SMB2_oplock_break()
5715 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_oplock_break()
5725 kst->f_bsize = le32_to_cpu(pfs_inf->BytesPerSector) * in smb2_copy_fs_info_to_kstatfs()
5726 le32_to_cpu(pfs_inf->SectorsPerAllocationUnit); in smb2_copy_fs_info_to_kstatfs()
5727 kst->f_blocks = le64_to_cpu(pfs_inf->TotalAllocationUnits); in smb2_copy_fs_info_to_kstatfs()
5728 kst->f_bfree = kst->f_bavail = in smb2_copy_fs_info_to_kstatfs()
5729 le64_to_cpu(pfs_inf->CallerAvailableAllocationUnits); in smb2_copy_fs_info_to_kstatfs()
5737 kst->f_bsize = le32_to_cpu(response_data->BlockSize); in copy_posix_fs_info_to_kstatfs()
5738 kst->f_blocks = le64_to_cpu(response_data->TotalBlocks); in copy_posix_fs_info_to_kstatfs()
5739 kst->f_bfree = le64_to_cpu(response_data->BlocksAvail); in copy_posix_fs_info_to_kstatfs()
5740 if (response_data->UserBlocksAvail == cpu_to_le64(-1)) in copy_posix_fs_info_to_kstatfs()
5741 kst->f_bavail = kst->f_bfree; in copy_posix_fs_info_to_kstatfs()
5743 kst->f_bavail = le64_to_cpu(response_data->UserBlocksAvail); in copy_posix_fs_info_to_kstatfs()
5744 if (response_data->TotalFileNodes != cpu_to_le64(-1)) in copy_posix_fs_info_to_kstatfs()
5745 kst->f_files = le64_to_cpu(response_data->TotalFileNodes); in copy_posix_fs_info_to_kstatfs()
5746 if (response_data->FreeFileNodes != cpu_to_le64(-1)) in copy_posix_fs_info_to_kstatfs()
5747 kst->f_ffree = le64_to_cpu(response_data->FreeFileNodes); in copy_posix_fs_info_to_kstatfs()
5753 build_qfs_info_req(struct kvec *iov, struct cifs_tcon *tcon, in build_qfs_info_req() argument
5764 if ((tcon->ses == NULL) || server == NULL) in build_qfs_info_req()
5765 return -EIO; in build_qfs_info_req()
5767 rc = smb2_plain_req_init(SMB2_QUERY_INFO, tcon, server, in build_qfs_info_req()
5772 req->InfoType = SMB2_O_INFO_FILESYSTEM; in build_qfs_info_req()
5773 req->FileInfoClass = level; in build_qfs_info_req()
5774 req->PersistentFileId = persistent_fid; in build_qfs_info_req()
5775 req->VolatileFileId = volatile_fid; in build_qfs_info_req()
5777 req->InputBufferOffset = in build_qfs_info_req()
5779 req->OutputBufferLength = cpu_to_le32( in build_qfs_info_req()
5782 iov->iov_base = (char *)req; in build_qfs_info_req()
5783 iov->iov_len = total_len; in build_qfs_info_req()
5789 cifs_buf_release(iov->iov_base); in free_qfs_info_req()
5793 SMB311_posix_qfs_info(const unsigned int xid, struct cifs_tcon *tcon, in SMB311_posix_qfs_info() argument
5802 struct cifs_ses *ses = tcon->ses; in SMB311_posix_qfs_info()
5813 rc = build_qfs_info_req(&iov, tcon, server, in SMB311_posix_qfs_info()
5820 if (smb3_encryption_required(tcon)) in SMB311_posix_qfs_info()
5834 cifs_stats_fail_inc(tcon, SMB2_QUERY_INFO_HE); in SMB311_posix_qfs_info()
5840 le16_to_cpu(rsp->OutputBufferOffset) + (char *)rsp); in SMB311_posix_qfs_info()
5841 rc = smb2_validate_iov(le16_to_cpu(rsp->OutputBufferOffset), in SMB311_posix_qfs_info()
5842 le32_to_cpu(rsp->OutputBufferLength), &rsp_iov, in SMB311_posix_qfs_info()
5851 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB311_posix_qfs_info()
5858 SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_QFS_info() argument
5867 struct cifs_ses *ses = tcon->ses; in SMB2_QFS_info()
5878 rc = build_qfs_info_req(&iov, tcon, server, in SMB2_QFS_info()
5885 if (smb3_encryption_required(tcon)) in SMB2_QFS_info()
5899 cifs_stats_fail_inc(tcon, SMB2_QUERY_INFO_HE); in SMB2_QFS_info()
5905 le16_to_cpu(rsp->OutputBufferOffset) + (char *)rsp); in SMB2_QFS_info()
5906 rc = smb2_validate_iov(le16_to_cpu(rsp->OutputBufferOffset), in SMB2_QFS_info()
5907 le32_to_cpu(rsp->OutputBufferLength), &rsp_iov, in SMB2_QFS_info()
5916 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_QFS_info()
5923 SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_QFS_attr() argument
5932 struct cifs_ses *ses = tcon->ses; in SMB2_QFS_attr()
5957 return -EINVAL; in SMB2_QFS_attr()
5960 rc = build_qfs_info_req(&iov, tcon, server, in SMB2_QFS_attr()
5966 if (smb3_encryption_required(tcon)) in SMB2_QFS_attr()
5980 cifs_stats_fail_inc(tcon, SMB2_QUERY_INFO_HE); in SMB2_QFS_attr()
5985 rsp_len = le32_to_cpu(rsp->OutputBufferLength); in SMB2_QFS_attr()
5986 offset = le16_to_cpu(rsp->OutputBufferOffset); in SMB2_QFS_attr()
5992 memcpy(&tcon->fsAttrInfo, offset in SMB2_QFS_attr()
5996 memcpy(&tcon->fsDevInfo, offset in SMB2_QFS_attr()
6001 tcon->ss_flags = le32_to_cpu(ss_info->Flags); in SMB2_QFS_attr()
6002 tcon->perf_sector_size = in SMB2_QFS_attr()
6003 le32_to_cpu(ss_info->PhysicalBytesPerSectorForPerf); in SMB2_QFS_attr()
6007 tcon->vol_serial_number = vol_info->VolumeSerialNumber; in SMB2_QFS_attr()
6008 tcon->vol_create_time = vol_info->VolumeCreationTime; in SMB2_QFS_attr()
6015 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_QFS_attr()
6022 smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon, in smb2_lockv() argument
6041 server = cifs_pick_channel(tcon->ses); in smb2_lockv()
6045 rc = smb2_plain_req_init(SMB2_LOCK, tcon, server, in smb2_lockv()
6050 if (smb3_encryption_required(tcon)) in smb2_lockv()
6053 req->hdr.Id.SyncId.ProcessId = cpu_to_le32(pid); in smb2_lockv()
6054 req->LockCount = cpu_to_le16(num_lock); in smb2_lockv()
6056 req->PersistentFileId = persist_fid; in smb2_lockv()
6057 req->VolatileFileId = volatile_fid; in smb2_lockv()
6062 iov[0].iov_len = total_len - sizeof(struct smb2_lock_element); in smb2_lockv()
6066 cifs_stats_inc(&tcon->stats.cifs_stats.num_locks); in smb2_lockv()
6075 rc = cifs_send_recv(xid, tcon->ses, server, in smb2_lockv()
6081 cifs_stats_fail_inc(tcon, SMB2_LOCK_HE); in smb2_lockv()
6082 trace_smb3_lock_err(xid, persist_fid, tcon->tid, in smb2_lockv()
6083 tcon->ses->Suid, rc); in smb2_lockv()
6087 smb2_should_replay(tcon, &retries, &cur_sleep)) in smb2_lockv()
6094 SMB2_lock(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_lock() argument
6107 return smb2_lockv(xid, tcon, persist_fid, volatile_fid, pid, 1, &lock); in SMB2_lock()
6111 SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_lease_break() argument
6117 struct cifs_ses *ses = tcon->ses; in SMB2_lease_break()
6125 struct TCP_Server_Info *server = cifs_pick_channel(tcon->ses); in SMB2_lease_break()
6128 rc = smb2_plain_req_init(SMB2_OPLOCK_BREAK, tcon, server, in SMB2_lease_break()
6133 if (smb3_encryption_required(tcon)) in SMB2_lease_break()
6136 req->hdr.CreditRequest = cpu_to_le16(1); in SMB2_lease_break()
6137 req->StructureSize = cpu_to_le16(36); in SMB2_lease_break()
6140 memcpy(req->LeaseKey, lease_key, 16); in SMB2_lease_break()
6141 req->LeaseState = lease_state; in SMB2_lease_break()
6159 cifs_stats_fail_inc(tcon, SMB2_OPLOCK_BREAK_HE); in SMB2_lease_break()
6160 trace_smb3_lease_err(le32_to_cpu(lease_state), tcon->tid, in SMB2_lease_break()
6161 ses->Suid, *please_key_low, *please_key_high, rc); in SMB2_lease_break()
6164 trace_smb3_lease_done(le32_to_cpu(lease_state), tcon->tid, in SMB2_lease_break()
6165 ses->Suid, *please_key_low, *please_key_high); in SMB2_lease_break()