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) */
76 int smb3_encryption_required(const struct cifs_tcon *tcon) in smb3_encryption_required() argument
78 if (!tcon || !tcon->ses) in smb3_encryption_required()
80 if ((tcon->ses->session_flags & SMB2_SESSION_FLAG_ENCRYPT_DATA) || in smb3_encryption_required()
81 (tcon->share_flags & SHI1005_FLAGS_ENCRYPT_DATA)) in smb3_encryption_required()
83 if (tcon->seal && in smb3_encryption_required()
84 (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION)) in smb3_encryption_required()
87 (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION)) in smb3_encryption_required()
94 const struct cifs_tcon *tcon, in smb2_hdr_assemble() argument
99 shdr->ProtocolId = SMB2_PROTO_NUMBER; in smb2_hdr_assemble()
100 shdr->StructureSize = cpu_to_le16(64); in smb2_hdr_assemble()
101 shdr->Command = smb2_cmd; in smb2_hdr_assemble()
105 if (server->dialect >= SMB30_PROT_ID) { in smb2_hdr_assemble()
108 * if primary channel is not set yet, use default in smb2_hdr_assemble()
109 * channel for chan sequence num in smb2_hdr_assemble()
112 smb3_hdr->ChannelSequence = in smb2_hdr_assemble()
113 cpu_to_le16(server->primary_server->channel_sequence_num); in smb2_hdr_assemble()
115 smb3_hdr->ChannelSequence = in smb2_hdr_assemble()
116 cpu_to_le16(server->channel_sequence_num); in smb2_hdr_assemble()
118 spin_lock(&server->req_lock); in smb2_hdr_assemble()
120 if (server->credits >= server->max_credits) in smb2_hdr_assemble()
121 shdr->CreditRequest = cpu_to_le16(0); in smb2_hdr_assemble()
123 shdr->CreditRequest = cpu_to_le16( in smb2_hdr_assemble()
124 min_t(int, server->max_credits - in smb2_hdr_assemble()
125 server->credits, 10)); in smb2_hdr_assemble()
126 spin_unlock(&server->req_lock); in smb2_hdr_assemble()
128 shdr->CreditRequest = cpu_to_le16(2); in smb2_hdr_assemble()
130 shdr->Id.SyncId.ProcessId = cpu_to_le32((__u16)current->tgid); in smb2_hdr_assemble()
132 if (!tcon) in smb2_hdr_assemble()
136 /* See sections 2.2.4 and 3.2.4.1.5 of MS-SMB2 */ in smb2_hdr_assemble()
137 if (server && (server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU)) in smb2_hdr_assemble()
138 shdr->CreditCharge = cpu_to_le16(1); in smb2_hdr_assemble()
141 shdr->Id.SyncId.TreeId = cpu_to_le32(tcon->tid); in smb2_hdr_assemble()
143 if (tcon->ses) in smb2_hdr_assemble()
144 shdr->SessionId = cpu_to_le64(tcon->ses->Suid); in smb2_hdr_assemble()
156 /* if (tcon->share_flags & SHI1005_FLAGS_DFS) in smb2_hdr_assemble()
157 shdr->Flags |= SMB2_FLAGS_DFS_OPERATIONS; */ in smb2_hdr_assemble()
159 if (server && server->sign && !smb3_encryption_required(tcon)) in smb2_hdr_assemble()
160 shdr->Flags |= SMB2_FLAGS_SIGNED; in smb2_hdr_assemble()
176 "server %s does not support multichannel anymore. Skip secondary channel\n", in cifs_chan_skip_or_disable()
177 ses->server->hostname); in cifs_chan_skip_or_disable()
179 spin_lock(&ses->chan_lock); in cifs_chan_skip_or_disable()
182 spin_unlock(&ses->chan_lock); in cifs_chan_skip_or_disable()
186 ses->chans[chan_index].server = NULL; in cifs_chan_skip_or_disable()
187 server->terminate = true; in cifs_chan_skip_or_disable()
188 spin_unlock(&ses->chan_lock); in cifs_chan_skip_or_disable()
191 * the above reference of server by channel in cifs_chan_skip_or_disable()
201 pserver = server->primary_server; in cifs_chan_skip_or_disable()
204 return -EHOSTDOWN; in cifs_chan_skip_or_disable()
216 smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon, in smb2_reconnect() argument
224 * SMB2s NegProt, SessSetup, Logoff do not have tcon yet so in smb2_reconnect()
226 * for those three - in the calling routine. in smb2_reconnect()
228 if (tcon == NULL) in smb2_reconnect()
234 spin_lock(&tcon->tc_lock); in smb2_reconnect()
235 if (tcon->status == TID_EXITING) { in smb2_reconnect()
240 spin_unlock(&tcon->tc_lock); in smb2_reconnect()
243 return -ENODEV; in smb2_reconnect()
246 spin_unlock(&tcon->tc_lock); in smb2_reconnect()
248 ses = tcon->ses; in smb2_reconnect()
250 return -EIO; in smb2_reconnect()
251 spin_lock(&ses->ses_lock); in smb2_reconnect()
252 if (ses->ses_status == SES_EXITING) { in smb2_reconnect()
253 spin_unlock(&ses->ses_lock); in smb2_reconnect()
254 return -EIO; in smb2_reconnect()
256 spin_unlock(&ses->ses_lock); in smb2_reconnect()
257 if (!ses->server || !server) in smb2_reconnect()
258 return -EIO; in smb2_reconnect()
260 spin_lock(&server->srv_lock); in smb2_reconnect()
261 if (server->tcpStatus == CifsNeedReconnect) { in smb2_reconnect()
274 spin_unlock(&server->srv_lock); in smb2_reconnect()
275 return -EAGAIN; in smb2_reconnect()
280 if (server->terminate) { in smb2_reconnect()
281 spin_unlock(&server->srv_lock); in smb2_reconnect()
282 return -EHOSTDOWN; in smb2_reconnect()
284 spin_unlock(&server->srv_lock); in smb2_reconnect()
287 rc = cifs_wait_for_server_reconnect(server, tcon->retry); in smb2_reconnect()
291 spin_lock(&ses->chan_lock); in smb2_reconnect()
292 if (!cifs_chan_needs_reconnect(ses, server) && !tcon->need_reconnect) { in smb2_reconnect()
293 spin_unlock(&ses->chan_lock); in smb2_reconnect()
296 spin_unlock(&ses->chan_lock); in smb2_reconnect()
297 cifs_dbg(FYI, "sess reconnect mask: 0x%lx, tcon reconnect: %d", in smb2_reconnect()
298 tcon->ses->chans_need_reconnect, in smb2_reconnect()
299 tcon->need_reconnect); in smb2_reconnect()
301 mutex_lock(&ses->session_mutex); in smb2_reconnect()
304 * killed a channel. in smb2_reconnect()
306 spin_lock(&server->srv_lock); in smb2_reconnect()
307 switch (server->tcpStatus) { in smb2_reconnect()
309 spin_unlock(&server->srv_lock); in smb2_reconnect()
310 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
311 return -EHOSTDOWN; in smb2_reconnect()
313 spin_unlock(&server->srv_lock); in smb2_reconnect()
314 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
315 if (!tcon->retry) in smb2_reconnect()
316 return -EHOSTDOWN; in smb2_reconnect()
321 spin_unlock(&server->srv_lock); in smb2_reconnect()
327 spin_lock(&ses->ses_lock); in smb2_reconnect()
328 spin_lock(&ses->chan_lock); in smb2_reconnect()
330 ses->ses_status == SES_GOOD) { in smb2_reconnect()
331 spin_unlock(&ses->chan_lock); in smb2_reconnect()
332 spin_unlock(&ses->ses_lock); in smb2_reconnect()
334 if (tcon->need_reconnect) in smb2_reconnect()
337 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
340 spin_unlock(&ses->chan_lock); in smb2_reconnect()
341 spin_unlock(&ses->ses_lock); in smb2_reconnect()
345 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
346 if (!tcon->retry) in smb2_reconnect()
347 return -EHOSTDOWN; in smb2_reconnect()
352 * and the first channel reconnected, disable all the others. in smb2_reconnect()
354 if (ses->chan_count > 1 && in smb2_reconnect()
355 !(server->capabilities & SMB2_GLOBAL_CAP_MULTI_CHANNEL)) { in smb2_reconnect()
359 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
364 rc = cifs_setup_session(0, ses, server, ses->local_nls); in smb2_reconnect()
365 if ((rc == -EACCES) || (rc == -EKEYEXPIRED) || (rc == -EKEYREVOKED)) { in smb2_reconnect()
372 if (ses->password2) in smb2_reconnect()
373 swap(ses->password2, ses->password); in smb2_reconnect()
376 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
377 if (rc == -EACCES && !tcon->retry) in smb2_reconnect()
378 return -EHOSTDOWN; in smb2_reconnect()
383 if (!tcon->need_reconnect) { in smb2_reconnect()
384 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
387 cifs_mark_open_files_invalid(tcon); in smb2_reconnect()
388 if (tcon->use_persistent) in smb2_reconnect()
389 tcon->need_reopen_files = true; in smb2_reconnect()
391 rc = cifs_tree_connect(0, tcon); in smb2_reconnect()
393 cifs_dbg(FYI, "reconnect tcon rc = %d\n", rc); in smb2_reconnect()
395 /* If sess reconnected but tcon didn't, something strange ... */ in smb2_reconnect()
396 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
397 cifs_dbg(VFS, "reconnect tcon failed rc = %d\n", rc); in smb2_reconnect()
401 spin_lock(&ses->ses_lock); in smb2_reconnect()
402 if (ses->flags & CIFS_SES_FLAG_SCALE_CHANNELS) { in smb2_reconnect()
403 spin_unlock(&ses->ses_lock); in smb2_reconnect()
404 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
407 ses->flags |= CIFS_SES_FLAG_SCALE_CHANNELS; in smb2_reconnect()
408 spin_unlock(&ses->ses_lock); in smb2_reconnect()
411 (server->capabilities & SMB2_GLOBAL_CAP_MULTI_CHANNEL) && in smb2_reconnect()
412 server->ops->query_server_interfaces) { in smb2_reconnect()
413 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
419 rc = server->ops->query_server_interfaces(xid, tcon, false); in smb2_reconnect()
422 if (rc == -EOPNOTSUPP && ses->chan_count > 1) { in smb2_reconnect()
437 if (ses->chan_max > ses->chan_count && in smb2_reconnect()
438 ses->iface_count && in smb2_reconnect()
440 if (ses->chan_count == 1) { in smb2_reconnect()
442 queue_delayed_work(cifsiod_wq, &tcon->query_interfaces, in smb2_reconnect()
449 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
453 spin_lock(&ses->ses_lock); in smb2_reconnect()
454 ses->flags &= ~CIFS_SES_FLAG_SCALE_CHANNELS; in smb2_reconnect()
455 spin_unlock(&ses->ses_lock); in smb2_reconnect()
458 mod_delayed_work(cifsiod_wq, &server->reconnect, 0); in smb2_reconnect()
480 rc = -EAGAIN; in smb2_reconnect()
486 fill_small_buf(__le16 smb2_command, struct cifs_tcon *tcon, in fill_small_buf() argument
501 smb2_hdr_assemble(&spdu->hdr, smb2_command, tcon, server); in fill_small_buf()
502 spdu->StructureSize2 = cpu_to_le16(parmsize); in fill_small_buf()
512 static int __smb2_plain_req_init(__le16 smb2_command, struct cifs_tcon *tcon, in __smb2_plain_req_init() argument
528 return -ENOMEM; in __smb2_plain_req_init()
531 fill_small_buf(smb2_command, tcon, server, in __smb2_plain_req_init()
535 if (tcon != NULL) { in __smb2_plain_req_init()
537 cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_sent[com_code]); in __smb2_plain_req_init()
538 cifs_stats_inc(&tcon->num_smbs_sent); in __smb2_plain_req_init()
544 static int smb2_plain_req_init(__le16 smb2_command, struct cifs_tcon *tcon, in smb2_plain_req_init() argument
550 rc = smb2_reconnect(smb2_command, tcon, server, false); in smb2_plain_req_init()
554 return __smb2_plain_req_init(smb2_command, tcon, server, request_buf, in smb2_plain_req_init()
558 static int smb2_ioctl_req_init(u32 opcode, struct cifs_tcon *tcon, in smb2_ioctl_req_init() argument
564 return __smb2_plain_req_init(SMB2_IOCTL, tcon, server, in smb2_ioctl_req_init()
567 return smb2_plain_req_init(SMB2_IOCTL, tcon, server, in smb2_ioctl_req_init()
571 /* For explanation of negotiate contexts see MS-SMB2 section 2.2.3.1 */
576 pneg_ctxt->ContextType = SMB2_PREAUTH_INTEGRITY_CAPABILITIES; in build_preauth_ctxt()
577 pneg_ctxt->DataLength = cpu_to_le16(38); in build_preauth_ctxt()
578 pneg_ctxt->HashAlgorithmCount = cpu_to_le16(1); in build_preauth_ctxt()
579 pneg_ctxt->SaltLength = cpu_to_le16(SMB311_SALT_SIZE); in build_preauth_ctxt()
580 get_random_bytes(pneg_ctxt->Salt, SMB311_SALT_SIZE); in build_preauth_ctxt()
581 pneg_ctxt->HashAlgorithms = SMB2_PREAUTH_INTEGRITY_SHA512; in build_preauth_ctxt()
587 pneg_ctxt->ContextType = SMB2_COMPRESSION_CAPABILITIES; in build_compression_ctxt()
588 pneg_ctxt->DataLength = in build_compression_ctxt()
590 - sizeof(struct smb2_neg_context)); in build_compression_ctxt()
591 pneg_ctxt->CompressionAlgorithmCount = cpu_to_le16(3); in build_compression_ctxt()
592 pneg_ctxt->CompressionAlgorithms[0] = SMB3_COMPRESS_LZ77; in build_compression_ctxt()
593 pneg_ctxt->CompressionAlgorithms[1] = SMB3_COMPRESS_LZ77_HUFF; in build_compression_ctxt()
594 pneg_ctxt->CompressionAlgorithms[2] = SMB3_COMPRESS_LZNT1; in build_compression_ctxt()
603 pneg_ctxt->ContextType = SMB2_SIGNING_CAPABILITIES; in build_signing_ctxt()
607 pneg_ctxt->DataLength = cpu_to_le16(ALIGN(sizeof(struct smb2_signing_capabilities) - in build_signing_ctxt()
610 pneg_ctxt->SigningAlgorithmCount = cpu_to_le16(num_algs); in build_signing_ctxt()
611 pneg_ctxt->SigningAlgorithms[0] = cpu_to_le16(SIGNING_ALG_AES_CMAC); in build_signing_ctxt()
622 pneg_ctxt->ContextType = SMB2_ENCRYPTION_CAPABILITIES; in build_encrypt_ctxt()
624 pneg_ctxt->DataLength = cpu_to_le16(4); /* Cipher Count + 1 cipher */ in build_encrypt_ctxt()
625 pneg_ctxt->CipherCount = cpu_to_le16(1); in build_encrypt_ctxt()
626 pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES256_GCM; in build_encrypt_ctxt()
628 pneg_ctxt->DataLength = cpu_to_le16(8); /* Cipher Count + 3 ciphers */ in build_encrypt_ctxt()
629 pneg_ctxt->CipherCount = cpu_to_le16(3); in build_encrypt_ctxt()
630 pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES128_GCM; in build_encrypt_ctxt()
631 pneg_ctxt->Ciphers[1] = SMB2_ENCRYPTION_AES256_GCM; in build_encrypt_ctxt()
632 pneg_ctxt->Ciphers[2] = SMB2_ENCRYPTION_AES128_CCM; in build_encrypt_ctxt()
634 pneg_ctxt->DataLength = cpu_to_le16(6); /* Cipher Count + 2 ciphers */ in build_encrypt_ctxt()
635 pneg_ctxt->CipherCount = cpu_to_le16(2); in build_encrypt_ctxt()
636 pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES128_GCM; in build_encrypt_ctxt()
637 pneg_ctxt->Ciphers[1] = SMB2_ENCRYPTION_AES128_CCM; in build_encrypt_ctxt()
646 pneg_ctxt->ContextType = SMB2_NETNAME_NEGOTIATE_CONTEXT_ID; in build_netname_ctxt()
649 pneg_ctxt->DataLength = cpu_to_le16(2 * cifs_strtoUTF16(pneg_ctxt->NetName, hostname, 100, cp)); in build_netname_ctxt()
651 return ALIGN(le16_to_cpu(pneg_ctxt->DataLength) + sizeof(struct smb2_neg_context), 8); in build_netname_ctxt()
657 pneg_ctxt->ContextType = SMB2_POSIX_EXTENSIONS_AVAILABLE; in build_posix_ctxt()
658 pneg_ctxt->DataLength = cpu_to_le16(POSIX_CTXT_DATA_LEN); in build_posix_ctxt()
660 pneg_ctxt->Name[0] = 0x93; in build_posix_ctxt()
661 pneg_ctxt->Name[1] = 0xAD; in build_posix_ctxt()
662 pneg_ctxt->Name[2] = 0x25; in build_posix_ctxt()
663 pneg_ctxt->Name[3] = 0x50; in build_posix_ctxt()
664 pneg_ctxt->Name[4] = 0x9C; in build_posix_ctxt()
665 pneg_ctxt->Name[5] = 0xB4; in build_posix_ctxt()
666 pneg_ctxt->Name[6] = 0x11; in build_posix_ctxt()
667 pneg_ctxt->Name[7] = 0xE7; in build_posix_ctxt()
668 pneg_ctxt->Name[8] = 0xB4; in build_posix_ctxt()
669 pneg_ctxt->Name[9] = 0x23; in build_posix_ctxt()
670 pneg_ctxt->Name[10] = 0x83; in build_posix_ctxt()
671 pneg_ctxt->Name[11] = 0xDE; in build_posix_ctxt()
672 pneg_ctxt->Name[12] = 0x96; in build_posix_ctxt()
673 pneg_ctxt->Name[13] = 0x8B; in build_posix_ctxt()
674 pneg_ctxt->Name[14] = 0xCD; in build_posix_ctxt()
675 pneg_ctxt->Name[15] = 0x7C; in build_posix_ctxt()
700 req->NegotiateContextOffset = cpu_to_le32(*total_len); in assemble_neg_contexts()
714 * use the hostname field in the primary channel instead in assemble_neg_contexts()
716 pserver = SERVER_IS_CHAN(server) ? server->primary_server : server; in assemble_neg_contexts()
718 hostname = pserver->hostname; in assemble_neg_contexts()
734 if (server->compression.requested) { in assemble_neg_contexts()
752 req->NegotiateContextCount = cpu_to_le16(neg_context_count); in assemble_neg_contexts()
756 /* If invalid preauth context warn but use what we requested, SHA-512 */
759 unsigned int len = le16_to_cpu(ctxt->DataLength); in decode_preauth_context()
768 } else if (len < MIN_PREAUTH_CTXT_DATA_LEN + le16_to_cpu(ctxt->SaltLength)) { in decode_preauth_context()
772 if (le16_to_cpu(ctxt->HashAlgorithmCount) != 1) in decode_preauth_context()
774 if (ctxt->HashAlgorithms != SMB2_PREAUTH_INTEGRITY_SHA512) in decode_preauth_context()
781 unsigned int len = le16_to_cpu(ctxt->DataLength); in decode_compress_ctx()
784 server->compression.enabled = false; in decode_compress_ctx()
796 if (le16_to_cpu(ctxt->CompressionAlgorithmCount) != 1) { in decode_compress_ctx()
801 alg = ctxt->CompressionAlgorithms[0]; in decode_compress_ctx()
809 server->compression.alg = alg; in decode_compress_ctx()
810 server->compression.enabled = true; in decode_compress_ctx()
816 unsigned int len = le16_to_cpu(ctxt->DataLength); in decode_encrypt_ctx()
826 return -EINVAL; in decode_encrypt_ctx()
829 if (le16_to_cpu(ctxt->CipherCount) != 1) { in decode_encrypt_ctx()
831 return -EINVAL; in decode_encrypt_ctx()
833 cifs_dbg(FYI, "SMB311 cipher type:%d\n", le16_to_cpu(ctxt->Ciphers[0])); in decode_encrypt_ctx()
835 if (ctxt->Ciphers[0] != SMB2_ENCRYPTION_AES256_GCM) { in decode_encrypt_ctx()
837 return -EOPNOTSUPP; in decode_encrypt_ctx()
839 } else if (ctxt->Ciphers[0] == 0) { in decode_encrypt_ctx()
849 server->cipher_type = 0; in decode_encrypt_ctx()
850 server->capabilities &= ~SMB2_GLOBAL_CAP_ENCRYPTION; in decode_encrypt_ctx()
853 } else if ((ctxt->Ciphers[0] != SMB2_ENCRYPTION_AES128_CCM) && in decode_encrypt_ctx()
854 (ctxt->Ciphers[0] != SMB2_ENCRYPTION_AES128_GCM) && in decode_encrypt_ctx()
855 (ctxt->Ciphers[0] != SMB2_ENCRYPTION_AES256_GCM)) { in decode_encrypt_ctx()
858 return -EINVAL; in decode_encrypt_ctx()
860 server->cipher_type = ctxt->Ciphers[0]; in decode_encrypt_ctx()
861 server->capabilities |= SMB2_GLOBAL_CAP_ENCRYPTION; in decode_encrypt_ctx()
868 unsigned int len = le16_to_cpu(pctxt->DataLength); in decode_signing_ctx()
879 if (le16_to_cpu(pctxt->SigningAlgorithmCount) != 1) { in decode_signing_ctx()
883 if (le16_to_cpu(pctxt->SigningAlgorithms[0]) > 2) { in decode_signing_ctx()
888 server->signing_negotiated = true; in decode_signing_ctx()
889 server->signing_algorithm = le16_to_cpu(pctxt->SigningAlgorithms[0]); in decode_signing_ctx()
891 server->signing_algorithm); in decode_signing_ctx()
900 unsigned int offset = le32_to_cpu(rsp->NegotiateContextOffset); in smb311_decode_neg_context()
901 unsigned int ctxt_cnt = le16_to_cpu(rsp->NegotiateContextCount); in smb311_decode_neg_context()
908 return -EINVAL; in smb311_decode_neg_context()
911 len_of_ctxts = len_of_smb - offset; in smb311_decode_neg_context()
921 + le16_to_cpu(pctx->DataLength); in smb311_decode_neg_context()
924 * Subsequent negotiate contexts MUST appear at the first 8-byte in smb311_decode_neg_context()
932 if (pctx->ContextType == SMB2_PREAUTH_INTEGRITY_CAPABILITIES) in smb311_decode_neg_context()
935 else if (pctx->ContextType == SMB2_ENCRYPTION_CAPABILITIES) in smb311_decode_neg_context()
938 else if (pctx->ContextType == SMB2_COMPRESSION_CAPABILITIES) in smb311_decode_neg_context()
941 else if (pctx->ContextType == SMB2_POSIX_EXTENSIONS_AVAILABLE) in smb311_decode_neg_context()
942 server->posix_ext_supported = true; in smb311_decode_neg_context()
943 else if (pctx->ContextType == SMB2_SIGNING_CAPABILITIES) in smb311_decode_neg_context()
948 le16_to_cpu(pctx->ContextType)); in smb311_decode_neg_context()
953 len_of_ctxts -= clen; in smb311_decode_neg_context()
968 buf->ccontext.DataOffset = in create_posix_buf()
970 buf->ccontext.DataLength = cpu_to_le32(4); in create_posix_buf()
971 buf->ccontext.NameOffset = in create_posix_buf()
973 buf->ccontext.NameLength = cpu_to_le16(16); in create_posix_buf()
976 buf->Name[0] = 0x93; in create_posix_buf()
977 buf->Name[1] = 0xAD; in create_posix_buf()
978 buf->Name[2] = 0x25; in create_posix_buf()
979 buf->Name[3] = 0x50; in create_posix_buf()
980 buf->Name[4] = 0x9C; in create_posix_buf()
981 buf->Name[5] = 0xB4; in create_posix_buf()
982 buf->Name[6] = 0x11; in create_posix_buf()
983 buf->Name[7] = 0xE7; in create_posix_buf()
984 buf->Name[8] = 0xB4; in create_posix_buf()
985 buf->Name[9] = 0x23; in create_posix_buf()
986 buf->Name[10] = 0x83; in create_posix_buf()
987 buf->Name[11] = 0xDE; in create_posix_buf()
988 buf->Name[12] = 0x96; in create_posix_buf()
989 buf->Name[13] = 0x8B; in create_posix_buf()
990 buf->Name[14] = 0xCD; in create_posix_buf()
991 buf->Name[15] = 0x7C; in create_posix_buf()
992 buf->Mode = cpu_to_le32(mode); in create_posix_buf()
1006 return -ENOMEM; in add_posix_context()
1049 return -EIO; in SMB2_negotiate()
1057 req->hdr.SessionId = 0; in SMB2_negotiate()
1059 memset(server->preauth_sha_hash, 0, SMB2_PREAUTH_HASH_SIZE); in SMB2_negotiate()
1060 memset(ses->preauth_sha_hash, 0, SMB2_PREAUTH_HASH_SIZE); in SMB2_negotiate()
1062 if (strcmp(server->vals->version_string, in SMB2_negotiate()
1064 req->Dialects[0] = cpu_to_le16(SMB30_PROT_ID); in SMB2_negotiate()
1065 req->Dialects[1] = cpu_to_le16(SMB302_PROT_ID); in SMB2_negotiate()
1066 req->Dialects[2] = cpu_to_le16(SMB311_PROT_ID); in SMB2_negotiate()
1067 req->DialectCount = cpu_to_le16(3); in SMB2_negotiate()
1069 } else if (strcmp(server->vals->version_string, in SMB2_negotiate()
1071 req->Dialects[0] = cpu_to_le16(SMB21_PROT_ID); in SMB2_negotiate()
1072 req->Dialects[1] = cpu_to_le16(SMB30_PROT_ID); in SMB2_negotiate()
1073 req->Dialects[2] = cpu_to_le16(SMB302_PROT_ID); in SMB2_negotiate()
1074 req->Dialects[3] = cpu_to_le16(SMB311_PROT_ID); in SMB2_negotiate()
1075 req->DialectCount = cpu_to_le16(4); in SMB2_negotiate()
1079 req->Dialects[0] = cpu_to_le16(server->vals->protocol_id); in SMB2_negotiate()
1080 req->DialectCount = cpu_to_le16(1); in SMB2_negotiate()
1085 if (ses->sign) in SMB2_negotiate()
1086 req->SecurityMode = cpu_to_le16(SMB2_NEGOTIATE_SIGNING_REQUIRED); in SMB2_negotiate()
1088 req->SecurityMode = cpu_to_le16(SMB2_NEGOTIATE_SIGNING_ENABLED); in SMB2_negotiate()
1090 req->SecurityMode = 0; in SMB2_negotiate()
1092 req->Capabilities = cpu_to_le32(server->vals->req_capabilities); in SMB2_negotiate()
1093 if (ses->chan_max > 1) in SMB2_negotiate()
1094 req->Capabilities |= cpu_to_le32(SMB2_GLOBAL_CAP_MULTI_CHANNEL); in SMB2_negotiate()
1097 if (server->vals->protocol_id == SMB20_PROT_ID) in SMB2_negotiate()
1098 memset(req->ClientGUID, 0, SMB2_CLIENT_GUID_SIZE); in SMB2_negotiate()
1100 memcpy(req->ClientGUID, server->client_guid, in SMB2_negotiate()
1102 if ((server->vals->protocol_id == SMB311_PROT_ID) || in SMB2_negotiate()
1103 (strcmp(server->vals->version_string, in SMB2_negotiate()
1105 (strcmp(server->vals->version_string, in SMB2_negotiate()
1121 * No tcon so can't do in SMB2_negotiate()
1122 * cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_fail[SMB2...]); in SMB2_negotiate()
1124 if (rc == -EOPNOTSUPP) { in SMB2_negotiate()
1130 rc = -EIO; in SMB2_negotiate()
1131 if (strcmp(server->vals->version_string, in SMB2_negotiate()
1133 if (rsp->DialectRevision == cpu_to_le16(SMB20_PROT_ID)) { in SMB2_negotiate()
1137 } else if (rsp->DialectRevision == cpu_to_le16(SMB21_PROT_ID)) { in SMB2_negotiate()
1141 } else if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID)) { in SMB2_negotiate()
1143 server->ops = &smb311_operations; in SMB2_negotiate()
1144 server->vals = &smb311_values; in SMB2_negotiate()
1146 } else if (strcmp(server->vals->version_string, in SMB2_negotiate()
1148 if (rsp->DialectRevision == cpu_to_le16(SMB20_PROT_ID)) { in SMB2_negotiate()
1152 } else if (rsp->DialectRevision == cpu_to_le16(SMB21_PROT_ID)) { in SMB2_negotiate()
1154 server->ops = &smb21_operations; in SMB2_negotiate()
1155 server->vals = &smb21_values; in SMB2_negotiate()
1156 } else if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID)) { in SMB2_negotiate()
1157 server->ops = &smb311_operations; in SMB2_negotiate()
1158 server->vals = &smb311_values; in SMB2_negotiate()
1160 } else if (le16_to_cpu(rsp->DialectRevision) != in SMB2_negotiate()
1161 server->vals->protocol_id) { in SMB2_negotiate()
1164 le16_to_cpu(rsp->DialectRevision)); in SMB2_negotiate()
1168 cifs_dbg(FYI, "mode 0x%x\n", rsp->SecurityMode); in SMB2_negotiate()
1170 if (rsp->DialectRevision == cpu_to_le16(SMB20_PROT_ID)) in SMB2_negotiate()
1172 else if (rsp->DialectRevision == cpu_to_le16(SMB21_PROT_ID)) in SMB2_negotiate()
1174 else if (rsp->DialectRevision == cpu_to_le16(SMB30_PROT_ID)) in SMB2_negotiate()
1176 else if (rsp->DialectRevision == cpu_to_le16(SMB302_PROT_ID)) in SMB2_negotiate()
1178 else if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID)) in SMB2_negotiate()
1182 le16_to_cpu(rsp->DialectRevision)); in SMB2_negotiate()
1187 server->dialect = le16_to_cpu(rsp->DialectRevision); in SMB2_negotiate()
1194 memcpy(server->preauth_sha_hash, ses->preauth_sha_hash, in SMB2_negotiate()
1198 server->negflavor = CIFS_NEGFLAVOR_EXTENDED; in SMB2_negotiate()
1200 server->maxBuf = min_t(unsigned int, le32_to_cpu(rsp->MaxTransactSize), in SMB2_negotiate()
1202 server->max_read = le32_to_cpu(rsp->MaxReadSize); in SMB2_negotiate()
1203 server->max_write = le32_to_cpu(rsp->MaxWriteSize); in SMB2_negotiate()
1204 server->sec_mode = le16_to_cpu(rsp->SecurityMode); in SMB2_negotiate()
1205 if ((server->sec_mode & SMB2_SEC_MODE_FLAGS_ALL) != server->sec_mode) in SMB2_negotiate()
1207 server->sec_mode); in SMB2_negotiate()
1208 server->capabilities = le32_to_cpu(rsp->Capabilities); in SMB2_negotiate()
1210 server->capabilities |= SMB2_NT_FIND | SMB2_LARGE_FILES; in SMB2_negotiate()
1216 if ((server->dialect == SMB30_PROT_ID || in SMB2_negotiate()
1217 server->dialect == SMB302_PROT_ID) && in SMB2_negotiate()
1218 (server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION)) in SMB2_negotiate()
1219 server->cipher_type = SMB2_ENCRYPTION_AES128_CCM; in SMB2_negotiate()
1224 * See MS-SMB2 section 2.2.4: if no blob, client picks default which in SMB2_negotiate()
1226 * ses->sectype = RawNTLMSSP; in SMB2_negotiate()
1232 server->sec_ntlmssp = true; in SMB2_negotiate()
1235 rc = cifs_enable_signing(server, ses->sign); in SMB2_negotiate()
1243 rc = -EIO; in SMB2_negotiate()
1246 if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID)) { in SMB2_negotiate()
1247 if (rsp->NegotiateContextCount) in SMB2_negotiate()
1254 if (server->cipher_type && !rc) in SMB2_negotiate()
1261 int smb3_validate_negotiate(const unsigned int xid, struct cifs_tcon *tcon) in smb3_validate_negotiate() argument
1268 struct TCP_Server_Info *server = tcon->ses->server; in smb3_validate_negotiate()
1273 if (server->dialect == SMB311_PROT_ID) in smb3_validate_negotiate()
1283 if (tcon->ses->session_flags & SMB2_SESSION_FLAG_IS_GUEST) in smb3_validate_negotiate()
1286 if (tcon->ses->user_name == NULL) { in smb3_validate_negotiate()
1291 if (tcon->ses->session_flags & SMB2_SESSION_FLAG_IS_NULL) in smb3_validate_negotiate()
1296 return -ENOMEM; in smb3_validate_negotiate()
1298 pneg_inbuf->Capabilities = in smb3_validate_negotiate()
1299 cpu_to_le32(server->vals->req_capabilities); in smb3_validate_negotiate()
1300 if (tcon->ses->chan_max > 1) in smb3_validate_negotiate()
1301 pneg_inbuf->Capabilities |= cpu_to_le32(SMB2_GLOBAL_CAP_MULTI_CHANNEL); in smb3_validate_negotiate()
1303 memcpy(pneg_inbuf->Guid, server->client_guid, in smb3_validate_negotiate()
1306 if (tcon->ses->sign) in smb3_validate_negotiate()
1307 pneg_inbuf->SecurityMode = in smb3_validate_negotiate()
1310 pneg_inbuf->SecurityMode = in smb3_validate_negotiate()
1313 pneg_inbuf->SecurityMode = 0; in smb3_validate_negotiate()
1316 if (strcmp(server->vals->version_string, in smb3_validate_negotiate()
1318 pneg_inbuf->Dialects[0] = cpu_to_le16(SMB30_PROT_ID); in smb3_validate_negotiate()
1319 pneg_inbuf->Dialects[1] = cpu_to_le16(SMB302_PROT_ID); in smb3_validate_negotiate()
1320 pneg_inbuf->Dialects[2] = cpu_to_le16(SMB311_PROT_ID); in smb3_validate_negotiate()
1321 pneg_inbuf->DialectCount = cpu_to_le16(3); in smb3_validate_negotiate()
1323 inbuflen = sizeof(*pneg_inbuf) - in smb3_validate_negotiate()
1324 (sizeof(pneg_inbuf->Dialects[0])); in smb3_validate_negotiate()
1325 } else if (strcmp(server->vals->version_string, in smb3_validate_negotiate()
1327 pneg_inbuf->Dialects[0] = cpu_to_le16(SMB21_PROT_ID); in smb3_validate_negotiate()
1328 pneg_inbuf->Dialects[1] = cpu_to_le16(SMB30_PROT_ID); in smb3_validate_negotiate()
1329 pneg_inbuf->Dialects[2] = cpu_to_le16(SMB302_PROT_ID); in smb3_validate_negotiate()
1330 pneg_inbuf->Dialects[3] = cpu_to_le16(SMB311_PROT_ID); in smb3_validate_negotiate()
1331 pneg_inbuf->DialectCount = cpu_to_le16(4); in smb3_validate_negotiate()
1336 pneg_inbuf->Dialects[0] = in smb3_validate_negotiate()
1337 cpu_to_le16(server->vals->protocol_id); in smb3_validate_negotiate()
1338 pneg_inbuf->DialectCount = cpu_to_le16(1); in smb3_validate_negotiate()
1340 inbuflen = sizeof(*pneg_inbuf) - in smb3_validate_negotiate()
1341 sizeof(pneg_inbuf->Dialects[0]) * 3; in smb3_validate_negotiate()
1344 rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID, in smb3_validate_negotiate()
1348 if (rc == -EOPNOTSUPP) { in smb3_validate_negotiate()
1359 rc = -EIO; in smb3_validate_negotiate()
1363 rc = -EIO; in smb3_validate_negotiate()
1374 if (pneg_rsp->Dialect != cpu_to_le16(server->dialect)) in smb3_validate_negotiate()
1377 if (pneg_rsp->SecurityMode != cpu_to_le16(server->sec_mode)) in smb3_validate_negotiate()
1382 if ((le32_to_cpu(pneg_rsp->Capabilities) | SMB2_NT_FIND | in smb3_validate_negotiate()
1383 SMB2_LARGE_FILES) != server->capabilities) in smb3_validate_negotiate()
1392 cifs_tcon_dbg(VFS, "protocol revalidation - security settings mismatch\n"); in smb3_validate_negotiate()
1410 if (server->sec_ntlmssp && in smb2_select_sectype()
1413 if ((server->sec_kerberos || server->sec_mskerberos || server->sec_iakerb) && in smb2_select_sectype()
1446 struct cifs_ses *ses = sess_data->ses; in SMB2_sess_alloc_buffer()
1447 struct TCP_Server_Info *server = sess_data->server; in SMB2_sess_alloc_buffer()
1458 spin_lock(&ses->ses_lock); in SMB2_sess_alloc_buffer()
1459 is_binding = (ses->ses_status == SES_GOOD); in SMB2_sess_alloc_buffer()
1460 spin_unlock(&ses->ses_lock); in SMB2_sess_alloc_buffer()
1463 req->hdr.SessionId = cpu_to_le64(ses->Suid); in SMB2_sess_alloc_buffer()
1464 req->hdr.Flags |= SMB2_FLAGS_SIGNED; in SMB2_sess_alloc_buffer()
1465 req->PreviousSessionId = 0; in SMB2_sess_alloc_buffer()
1466 req->Flags = SMB2_SESSION_REQ_FLAG_BINDING; in SMB2_sess_alloc_buffer()
1467 cifs_dbg(FYI, "Binding to sess id: %llx\n", ses->Suid); in SMB2_sess_alloc_buffer()
1470 req->hdr.SessionId = 0; in SMB2_sess_alloc_buffer()
1475 req->PreviousSessionId = cpu_to_le64(sess_data->previous_session); in SMB2_sess_alloc_buffer()
1476 req->Flags = 0; /* MBZ */ in SMB2_sess_alloc_buffer()
1478 sess_data->previous_session); in SMB2_sess_alloc_buffer()
1482 if (server->credits >= server->max_credits) in SMB2_sess_alloc_buffer()
1483 req->hdr.CreditRequest = cpu_to_le16(0); in SMB2_sess_alloc_buffer()
1485 req->hdr.CreditRequest = cpu_to_le16( in SMB2_sess_alloc_buffer()
1486 min_t(int, server->max_credits - in SMB2_sess_alloc_buffer()
1487 server->credits, 130)); in SMB2_sess_alloc_buffer()
1490 if (server->sign) in SMB2_sess_alloc_buffer()
1491 req->SecurityMode = SMB2_NEGOTIATE_SIGNING_REQUIRED; in SMB2_sess_alloc_buffer()
1493 req->SecurityMode = SMB2_NEGOTIATE_SIGNING_ENABLED; in SMB2_sess_alloc_buffer()
1495 req->SecurityMode = 0; in SMB2_sess_alloc_buffer()
1498 req->Capabilities = cpu_to_le32(SMB2_GLOBAL_CAP_DFS); in SMB2_sess_alloc_buffer()
1500 req->Capabilities = 0; in SMB2_sess_alloc_buffer()
1503 req->Channel = 0; /* MBZ */ in SMB2_sess_alloc_buffer()
1505 sess_data->iov[0].iov_base = (char *)req; in SMB2_sess_alloc_buffer()
1507 sess_data->iov[0].iov_len = total_len - 1; in SMB2_sess_alloc_buffer()
1512 sess_data->buf0_type = CIFS_SMALL_BUFFER; in SMB2_sess_alloc_buffer()
1520 struct kvec *iov = sess_data->iov; in SMB2_sess_free_buffer()
1523 if (sess_data->buf0_type != CIFS_NO_BUFFER && iov[0].iov_base) in SMB2_sess_free_buffer()
1526 free_rsp_buf(sess_data->buf0_type, iov[0].iov_base); in SMB2_sess_free_buffer()
1527 sess_data->buf0_type = CIFS_NO_BUFFER; in SMB2_sess_free_buffer()
1535 struct smb2_sess_setup_req *req = sess_data->iov[0].iov_base; in SMB2_sess_sendreceive()
1539 req->SecurityBufferOffset = in SMB2_sess_sendreceive()
1541 req->SecurityBufferLength = cpu_to_le16(sess_data->iov[1].iov_len); in SMB2_sess_sendreceive()
1544 rqst.rq_iov = sess_data->iov; in SMB2_sess_sendreceive()
1548 rc = cifs_send_recv(sess_data->xid, sess_data->ses, in SMB2_sess_sendreceive()
1549 sess_data->server, in SMB2_sess_sendreceive()
1551 &sess_data->buf0_type, in SMB2_sess_sendreceive()
1553 cifs_small_buf_release(sess_data->iov[0].iov_base); in SMB2_sess_sendreceive()
1555 sess_data->ses->expired_pwd = false; in SMB2_sess_sendreceive()
1556 else if ((rc == -EACCES) || (rc == -EKEYEXPIRED) || (rc == -EKEYREVOKED)) { in SMB2_sess_sendreceive()
1557 if (sess_data->ses->expired_pwd == false) in SMB2_sess_sendreceive()
1558 trace_smb3_key_expired(sess_data->server->hostname, in SMB2_sess_sendreceive()
1559 sess_data->ses->user_name, in SMB2_sess_sendreceive()
1560 sess_data->server->conn_id, in SMB2_sess_sendreceive()
1561 &sess_data->server->dstaddr, rc); in SMB2_sess_sendreceive()
1562 sess_data->ses->expired_pwd = true; in SMB2_sess_sendreceive()
1565 memcpy(&sess_data->iov[0], &rsp_iov, sizeof(struct kvec)); in SMB2_sess_sendreceive()
1574 struct cifs_ses *ses = sess_data->ses; in SMB2_sess_establish_session()
1575 struct TCP_Server_Info *server = sess_data->server; in SMB2_sess_establish_session()
1578 if (server->ops->generate_signingkey) { in SMB2_sess_establish_session()
1579 rc = server->ops->generate_signingkey(ses, server); in SMB2_sess_establish_session()
1587 if (!server->session_estab) { in SMB2_sess_establish_session()
1588 server->sequence_number = 0x2; in SMB2_sess_establish_session()
1589 server->session_estab = true; in SMB2_sess_establish_session()
1602 struct cifs_ses *ses = sess_data->ses; in SMB2_auth_kerberos()
1603 struct TCP_Server_Info *server = sess_data->server; in SMB2_auth_kerberos()
1616 if (rc == -ENOKEY) in SMB2_auth_kerberos()
1622 msg = spnego_key->payload.data[0]; in SMB2_auth_kerberos()
1627 if (msg->version != CIFS_SPNEGO_UPCALL_VERSION) { in SMB2_auth_kerberos()
1629 CIFS_SPNEGO_UPCALL_VERSION, msg->version); in SMB2_auth_kerberos()
1630 rc = -EKEYREJECTED; in SMB2_auth_kerberos()
1634 spin_lock(&ses->ses_lock); in SMB2_auth_kerberos()
1635 is_binding = (ses->ses_status == SES_GOOD); in SMB2_auth_kerberos()
1636 spin_unlock(&ses->ses_lock); in SMB2_auth_kerberos()
1640 kfree_sensitive(ses->auth_key.response); in SMB2_auth_kerberos()
1641 ses->auth_key.response = kmemdup(msg->data, msg->sesskey_len, in SMB2_auth_kerberos()
1643 if (!ses->auth_key.response) { in SMB2_auth_kerberos()
1645 msg->sesskey_len); in SMB2_auth_kerberos()
1646 rc = -ENOMEM; in SMB2_auth_kerberos()
1649 ses->auth_key.len = msg->sesskey_len; in SMB2_auth_kerberos()
1652 sess_data->iov[1].iov_base = msg->data + msg->sesskey_len; in SMB2_auth_kerberos()
1653 sess_data->iov[1].iov_len = msg->secblob_len; in SMB2_auth_kerberos()
1659 rsp = (struct smb2_sess_setup_rsp *)sess_data->iov[0].iov_base; in SMB2_auth_kerberos()
1662 ses->Suid = le64_to_cpu(rsp->hdr.SessionId); in SMB2_auth_kerberos()
1663 ses->session_flags = le16_to_cpu(rsp->SessionFlags); in SMB2_auth_kerberos()
1671 kfree_sensitive(ses->auth_key.response); in SMB2_auth_kerberos()
1672 ses->auth_key.response = NULL; in SMB2_auth_kerberos()
1673 ses->auth_key.len = 0; in SMB2_auth_kerberos()
1676 sess_data->result = rc; in SMB2_auth_kerberos()
1677 sess_data->func = NULL; in SMB2_auth_kerberos()
1685 sess_data->result = -EOPNOTSUPP; in SMB2_auth_kerberos()
1686 sess_data->func = NULL; in SMB2_auth_kerberos()
1697 struct cifs_ses *ses = sess_data->ses; in SMB2_sess_auth_rawntlmssp_negotiate()
1698 struct TCP_Server_Info *server = sess_data->server; in SMB2_sess_auth_rawntlmssp_negotiate()
1709 ses->ntlmssp = kmalloc(sizeof(struct ntlmssp_auth), GFP_KERNEL); in SMB2_sess_auth_rawntlmssp_negotiate()
1710 if (!ses->ntlmssp) { in SMB2_sess_auth_rawntlmssp_negotiate()
1711 rc = -ENOMEM; in SMB2_sess_auth_rawntlmssp_negotiate()
1714 ses->ntlmssp->sesskey_per_smbsess = true; in SMB2_sess_auth_rawntlmssp_negotiate()
1722 sess_data->nls_cp); in SMB2_sess_auth_rawntlmssp_negotiate()
1729 rc = -EOPNOTSUPP; in SMB2_sess_auth_rawntlmssp_negotiate()
1732 sess_data->iov[1].iov_base = ntlmssp_blob; in SMB2_sess_auth_rawntlmssp_negotiate()
1733 sess_data->iov[1].iov_len = blob_length; in SMB2_sess_auth_rawntlmssp_negotiate()
1736 rsp = (struct smb2_sess_setup_rsp *)sess_data->iov[0].iov_base; in SMB2_sess_auth_rawntlmssp_negotiate()
1739 if (sess_data->buf0_type != CIFS_NO_BUFFER && in SMB2_sess_auth_rawntlmssp_negotiate()
1740 rsp->hdr.Status == STATUS_MORE_PROCESSING_REQUIRED) in SMB2_sess_auth_rawntlmssp_negotiate()
1747 le16_to_cpu(rsp->SecurityBufferOffset)) { in SMB2_sess_auth_rawntlmssp_negotiate()
1749 le16_to_cpu(rsp->SecurityBufferOffset)); in SMB2_sess_auth_rawntlmssp_negotiate()
1750 rc = -EIO; in SMB2_sess_auth_rawntlmssp_negotiate()
1753 rc = decode_ntlmssp_challenge(rsp->Buffer, in SMB2_sess_auth_rawntlmssp_negotiate()
1754 le16_to_cpu(rsp->SecurityBufferLength), ses); in SMB2_sess_auth_rawntlmssp_negotiate()
1760 spin_lock(&ses->ses_lock); in SMB2_sess_auth_rawntlmssp_negotiate()
1761 is_binding = (ses->ses_status == SES_GOOD); in SMB2_sess_auth_rawntlmssp_negotiate()
1762 spin_unlock(&ses->ses_lock); in SMB2_sess_auth_rawntlmssp_negotiate()
1766 ses->Suid = le64_to_cpu(rsp->hdr.SessionId); in SMB2_sess_auth_rawntlmssp_negotiate()
1767 ses->session_flags = le16_to_cpu(rsp->SessionFlags); in SMB2_sess_auth_rawntlmssp_negotiate()
1774 sess_data->result = 0; in SMB2_sess_auth_rawntlmssp_negotiate()
1775 sess_data->func = SMB2_sess_auth_rawntlmssp_authenticate; in SMB2_sess_auth_rawntlmssp_negotiate()
1779 kfree_sensitive(ses->ntlmssp); in SMB2_sess_auth_rawntlmssp_negotiate()
1780 ses->ntlmssp = NULL; in SMB2_sess_auth_rawntlmssp_negotiate()
1781 sess_data->result = rc; in SMB2_sess_auth_rawntlmssp_negotiate()
1782 sess_data->func = NULL; in SMB2_sess_auth_rawntlmssp_negotiate()
1789 struct cifs_ses *ses = sess_data->ses; in SMB2_sess_auth_rawntlmssp_authenticate()
1790 struct TCP_Server_Info *server = sess_data->server; in SMB2_sess_auth_rawntlmssp_authenticate()
1802 req = (struct smb2_sess_setup_req *) sess_data->iov[0].iov_base; in SMB2_sess_auth_rawntlmssp_authenticate()
1803 req->hdr.SessionId = cpu_to_le64(ses->Suid); in SMB2_sess_auth_rawntlmssp_authenticate()
1807 sess_data->nls_cp); in SMB2_sess_auth_rawntlmssp_authenticate()
1816 rc = -EOPNOTSUPP; in SMB2_sess_auth_rawntlmssp_authenticate()
1819 sess_data->iov[1].iov_base = ntlmssp_blob; in SMB2_sess_auth_rawntlmssp_authenticate()
1820 sess_data->iov[1].iov_len = blob_length; in SMB2_sess_auth_rawntlmssp_authenticate()
1826 rsp = (struct smb2_sess_setup_rsp *)sess_data->iov[0].iov_base; in SMB2_sess_auth_rawntlmssp_authenticate()
1828 spin_lock(&ses->ses_lock); in SMB2_sess_auth_rawntlmssp_authenticate()
1829 is_binding = (ses->ses_status == SES_GOOD); in SMB2_sess_auth_rawntlmssp_authenticate()
1830 spin_unlock(&ses->ses_lock); in SMB2_sess_auth_rawntlmssp_authenticate()
1834 ses->Suid = le64_to_cpu(rsp->hdr.SessionId); in SMB2_sess_auth_rawntlmssp_authenticate()
1835 ses->session_flags = le16_to_cpu(rsp->SessionFlags); in SMB2_sess_auth_rawntlmssp_authenticate()
1840 if (ses->server->dialect < SMB30_PROT_ID) { in SMB2_sess_auth_rawntlmssp_authenticate()
1846 cifs_dbg(VFS, "Session Id %*ph\n", (int)sizeof(ses->Suid), in SMB2_sess_auth_rawntlmssp_authenticate()
1847 &ses->Suid); in SMB2_sess_auth_rawntlmssp_authenticate()
1849 SMB2_NTLMV2_SESSKEY_SIZE, ses->auth_key.response); in SMB2_sess_auth_rawntlmssp_authenticate()
1851 SMB3_SIGN_KEY_SIZE, ses->auth_key.response); in SMB2_sess_auth_rawntlmssp_authenticate()
1857 kfree_sensitive(ses->ntlmssp); in SMB2_sess_auth_rawntlmssp_authenticate()
1858 ses->ntlmssp = NULL; in SMB2_sess_auth_rawntlmssp_authenticate()
1859 sess_data->result = rc; in SMB2_sess_auth_rawntlmssp_authenticate()
1860 sess_data->func = NULL; in SMB2_sess_auth_rawntlmssp_authenticate()
1867 struct cifs_ses *ses = sess_data->ses; in SMB2_select_sec()
1868 struct TCP_Server_Info *server = sess_data->server; in SMB2_select_sec()
1870 type = smb2_select_sectype(server, ses->sectype); in SMB2_select_sec()
1874 return -EINVAL; in SMB2_select_sec()
1879 sess_data->func = SMB2_auth_kerberos; in SMB2_select_sec()
1882 sess_data->func = SMB2_sess_auth_rawntlmssp_negotiate; in SMB2_select_sec()
1886 return -EOPNOTSUPP; in SMB2_select_sec()
1904 return -EIO; in SMB2_sess_setup()
1909 return -ENOMEM; in SMB2_sess_setup()
1911 sess_data->xid = xid; in SMB2_sess_setup()
1912 sess_data->ses = ses; in SMB2_sess_setup()
1913 sess_data->server = server; in SMB2_sess_setup()
1914 sess_data->buf0_type = CIFS_NO_BUFFER; in SMB2_sess_setup()
1915 sess_data->nls_cp = (struct nls_table *) nls_cp; in SMB2_sess_setup()
1916 sess_data->previous_session = ses->Suid; in SMB2_sess_setup()
1925 memcpy(ses->preauth_sha_hash, server->preauth_sha_hash, in SMB2_sess_setup()
1928 while (sess_data->func) in SMB2_sess_setup()
1929 sess_data->func(sess_data); in SMB2_sess_setup()
1931 if ((ses->session_flags & SMB2_SESSION_FLAG_IS_GUEST) && (ses->sign)) in SMB2_sess_setup()
1933 rc = sess_data->result; in SMB2_sess_setup()
1954 if (ses && (ses->server)) in SMB2_logoff()
1955 server = ses->server; in SMB2_logoff()
1957 return -EIO; in SMB2_logoff()
1960 spin_lock(&ses->chan_lock); in SMB2_logoff()
1962 spin_unlock(&ses->chan_lock); in SMB2_logoff()
1965 spin_unlock(&ses->chan_lock); in SMB2_logoff()
1967 rc = smb2_plain_req_init(SMB2_LOGOFF, NULL, ses->server, in SMB2_logoff()
1972 /* since no tcon, smb2_init can not do this, so do here */ in SMB2_logoff()
1973 req->hdr.SessionId = cpu_to_le64(ses->Suid); in SMB2_logoff()
1975 if (ses->session_flags & SMB2_SESSION_FLAG_ENCRYPT_DATA) in SMB2_logoff()
1977 else if (server->sign) in SMB2_logoff()
1978 req->hdr.Flags |= SMB2_FLAGS_SIGNED; in SMB2_logoff()
1989 rc = cifs_send_recv(xid, ses, ses->server, in SMB2_logoff()
1993 * No tcon so can't do in SMB2_logoff()
1994 * cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_fail[SMB2...]); in SMB2_logoff()
2001 static inline void cifs_stats_fail_inc(struct cifs_tcon *tcon, uint16_t code) in cifs_stats_fail_inc() argument
2003 cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_failed[code]); in cifs_stats_fail_inc()
2009 static inline void init_copy_chunk_defaults(struct cifs_tcon *tcon) in init_copy_chunk_defaults() argument
2011 tcon->max_chunks = 256; in init_copy_chunk_defaults()
2012 tcon->max_bytes_chunk = 1048576; in init_copy_chunk_defaults()
2013 tcon->max_bytes_copy = 16777216; in init_copy_chunk_defaults()
2018 struct cifs_tcon *tcon, const struct nls_table *cp) in SMB2_tcon() argument
2033 cifs_dbg(FYI, "TCON\n"); in SMB2_tcon()
2036 return -EIO; in SMB2_tcon()
2040 return -ENOMEM; in SMB2_tcon()
2045 return -EINVAL; in SMB2_tcon()
2050 tcon->tid = 0; in SMB2_tcon()
2051 atomic_set(&tcon->num_remote_opens, 0); in SMB2_tcon()
2052 rc = smb2_plain_req_init(SMB2_TREE_CONNECT, tcon, server, in SMB2_tcon()
2059 if (smb3_encryption_required(tcon)) in SMB2_tcon()
2064 iov[0].iov_len = total_len - 1; in SMB2_tcon()
2067 req->PathOffset = cpu_to_le16(sizeof(struct smb2_tree_connect_req)); in SMB2_tcon()
2068 req->PathLength = cpu_to_le16(unc_path_len); in SMB2_tcon()
2073 * 3.11 tcon req must be signed if not encrypted. See MS-SMB2 3.2.4.1.1 in SMB2_tcon()
2074 * unless it is guest or anonymous user. See MS-SMB2 3.2.5.3.1 in SMB2_tcon()
2077 if ((server->dialect == SMB311_PROT_ID) && in SMB2_tcon()
2078 !smb3_encryption_required(tcon) && in SMB2_tcon()
2079 !(ses->session_flags & in SMB2_tcon()
2081 ((ses->user_name != NULL) || (ses->sectype == Kerberos))) in SMB2_tcon()
2082 req->hdr.Flags |= SMB2_FLAGS_SIGNED; in SMB2_tcon()
2089 if (server->credits >= server->max_credits) in SMB2_tcon()
2090 req->hdr.CreditRequest = cpu_to_le16(0); in SMB2_tcon()
2092 req->hdr.CreditRequest = cpu_to_le16( in SMB2_tcon()
2093 min_t(int, server->max_credits - in SMB2_tcon()
2094 server->credits, 64)); in SMB2_tcon()
2100 trace_smb3_tcon(xid, tcon->tid, ses->Suid, tree, rc); in SMB2_tcon()
2102 cifs_stats_fail_inc(tcon, SMB2_TREE_CONNECT_HE); in SMB2_tcon()
2103 tcon->need_reconnect = true; in SMB2_tcon()
2107 switch (rsp->ShareType) { in SMB2_tcon()
2112 tcon->pipe = true; in SMB2_tcon()
2116 tcon->print = true; in SMB2_tcon()
2120 cifs_server_dbg(VFS, "unknown share type %d\n", rsp->ShareType); in SMB2_tcon()
2121 rc = -EOPNOTSUPP; in SMB2_tcon()
2125 tcon->share_flags = le32_to_cpu(rsp->ShareFlags); in SMB2_tcon()
2126 tcon->capabilities = rsp->Capabilities; /* we keep caps little endian */ in SMB2_tcon()
2127 tcon->maximal_access = le32_to_cpu(rsp->MaximalAccess); in SMB2_tcon()
2128 tcon->tid = le32_to_cpu(rsp->hdr.Id.SyncId.TreeId); in SMB2_tcon()
2129 strscpy(tcon->tree_name, tree, sizeof(tcon->tree_name)); in SMB2_tcon()
2131 if ((rsp->Capabilities & SMB2_SHARE_CAP_DFS) && in SMB2_tcon()
2132 ((tcon->share_flags & SHI1005_FLAGS_DFS) == 0)) in SMB2_tcon()
2135 if (tcon->seal && in SMB2_tcon()
2136 !(server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION)) in SMB2_tcon()
2139 init_copy_chunk_defaults(tcon); in SMB2_tcon()
2140 if (server->ops->validate_negotiate) in SMB2_tcon()
2141 rc = server->ops->validate_negotiate(xid, tcon); in SMB2_tcon()
2142 if (rc == 0) /* See MS-SMB2 2.2.10 and 3.2.5.5 */ in SMB2_tcon()
2143 if (tcon->share_flags & SMB2_SHAREFLAG_ISOLATED_TRANSPORT) in SMB2_tcon()
2144 server->nosharesock = true; in SMB2_tcon()
2152 if (rsp && rsp->hdr.Status == STATUS_BAD_NETWORK_NAME) in SMB2_tcon()
2158 SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon) in SMB2_tdis() argument
2163 struct cifs_ses *ses = tcon->ses; in SMB2_tdis()
2173 if (!ses || !(ses->server)) in SMB2_tdis()
2174 return -EIO; in SMB2_tdis()
2176 trace_smb3_tdis_enter(xid, tcon->tid, ses->Suid, tcon->tree_name); in SMB2_tdis()
2177 spin_lock(&ses->chan_lock); in SMB2_tdis()
2178 if ((tcon->need_reconnect) || in SMB2_tdis()
2179 (CIFS_ALL_CHANS_NEED_RECONNECT(tcon->ses))) { in SMB2_tdis()
2180 spin_unlock(&ses->chan_lock); in SMB2_tdis()
2183 spin_unlock(&ses->chan_lock); in SMB2_tdis()
2185 invalidate_all_cached_dirs(tcon); in SMB2_tdis()
2187 rc = smb2_plain_req_init(SMB2_TREE_DISCONNECT, tcon, server, in SMB2_tdis()
2193 if (smb3_encryption_required(tcon)) in SMB2_tdis()
2209 cifs_stats_fail_inc(tcon, SMB2_TREE_DISCONNECT_HE); in SMB2_tdis()
2210 trace_smb3_tdis_err(xid, tcon->tid, ses->Suid, rc); in SMB2_tdis()
2212 trace_smb3_tdis_done(xid, tcon->tid, ses->Suid); in SMB2_tdis()
2227 buf->ccontext.DataOffset = cpu_to_le16(offsetof in create_durable_buf()
2229 buf->ccontext.DataLength = cpu_to_le32(16); in create_durable_buf()
2230 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_durable_buf()
2232 buf->ccontext.NameLength = cpu_to_le16(4); in create_durable_buf()
2234 buf->Name[0] = 'D'; in create_durable_buf()
2235 buf->Name[1] = 'H'; in create_durable_buf()
2236 buf->Name[2] = 'n'; in create_durable_buf()
2237 buf->Name[3] = 'Q'; in create_durable_buf()
2250 buf->ccontext.DataOffset = cpu_to_le16(offsetof in create_reconnect_durable_buf()
2252 buf->ccontext.DataLength = cpu_to_le32(16); in create_reconnect_durable_buf()
2253 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_reconnect_durable_buf()
2255 buf->ccontext.NameLength = cpu_to_le16(4); in create_reconnect_durable_buf()
2256 buf->Data.Fid.PersistentFileId = fid->persistent_fid; in create_reconnect_durable_buf()
2257 buf->Data.Fid.VolatileFileId = fid->volatile_fid; in create_reconnect_durable_buf()
2259 buf->Name[0] = 'D'; in create_reconnect_durable_buf()
2260 buf->Name[1] = 'H'; in create_reconnect_durable_buf()
2261 buf->Name[2] = 'n'; in create_reconnect_durable_buf()
2262 buf->Name[3] = 'C'; in create_reconnect_durable_buf()
2272 pdisk_id->DiskFileId, pdisk_id->VolumeId); in parse_query_id_ctxt()
2273 buf->IndexNumber = pdisk_id->DiskFileId; in parse_query_id_ctxt()
2281 u8 *beg = (u8 *)cc + le16_to_cpu(cc->DataOffset); in parse_posix_ctxt()
2282 u8 *end = beg + le32_to_cpu(cc->DataLength); in parse_posix_ctxt()
2287 posix->nlink = le32_to_cpu(*(__le32 *)(beg + 0)); in parse_posix_ctxt()
2288 posix->reparse_tag = le32_to_cpu(*(__le32 *)(beg + 4)); in parse_posix_ctxt()
2289 posix->mode = le32_to_cpu(*(__le32 *)(beg + 8)); in parse_posix_ctxt()
2297 memcpy(&posix->owner, sid, sid_len); in parse_posix_ctxt()
2305 memcpy(&posix->group, sid, sid_len); in parse_posix_ctxt()
2308 posix->nlink, posix->mode, posix->reparse_tag); in parse_posix_ctxt()
2318 struct smb2_create_rsp *rsp = rsp_iov->iov_base; in smb2_parse_contexts()
2332 off = le32_to_cpu(rsp->CreateContextsOffset); in smb2_parse_contexts()
2333 rem = le32_to_cpu(rsp->CreateContextsLength); in smb2_parse_contexts()
2334 if (check_add_overflow(off, rem, &len) || len > rsp_iov->iov_len) in smb2_parse_contexts()
2335 return -EINVAL; in smb2_parse_contexts()
2340 buf->IndexNumber = 0; in smb2_parse_contexts()
2343 doff = le16_to_cpu(cc->DataOffset); in smb2_parse_contexts()
2344 dlen = le32_to_cpu(cc->DataLength); in smb2_parse_contexts()
2346 return -EINVAL; in smb2_parse_contexts()
2348 noff = le16_to_cpu(cc->NameOffset); in smb2_parse_contexts()
2349 nlen = le16_to_cpu(cc->NameLength); in smb2_parse_contexts()
2351 return -EINVAL; in smb2_parse_contexts()
2357 *oplock = server->ops->parse_lease_buf(cc, epoch, in smb2_parse_contexts()
2376 off = le32_to_cpu(cc->Next); in smb2_parse_contexts()
2380 return -EINVAL; in smb2_parse_contexts()
2384 if (rsp->OplockLevel != SMB2_OPLOCK_LEVEL_LEASE) in smb2_parse_contexts()
2385 *oplock = rsp->OplockLevel; in smb2_parse_contexts()
2398 iov[num].iov_base = server->ops->create_lease_buf(lease_key, *oplock); in add_lease_context()
2400 return -ENOMEM; in add_lease_context()
2401 iov[num].iov_len = server->vals->create_lease_size; in add_lease_context()
2402 req->RequestedOplockLevel = SMB2_OPLOCK_LEVEL_LEASE; in add_lease_context()
2410 struct cifs_fid *pfid = oparms->fid; in create_durable_v2_buf()
2417 buf->ccontext.DataOffset = cpu_to_le16(offsetof in create_durable_v2_buf()
2419 buf->ccontext.DataLength = cpu_to_le32(sizeof(struct durable_context_v2)); in create_durable_v2_buf()
2420 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_durable_v2_buf()
2422 buf->ccontext.NameLength = cpu_to_le16(4); in create_durable_v2_buf()
2431 buf->dcontext.Timeout = cpu_to_le32(oparms->tcon->handle_timeout); in create_durable_v2_buf()
2432 buf->dcontext.Flags = cpu_to_le32(SMB2_DHANDLE_FLAG_PERSISTENT); in create_durable_v2_buf()
2435 if (!oparms->replay) { in create_durable_v2_buf()
2436 generate_random_uuid(buf->dcontext.CreateGuid); in create_durable_v2_buf()
2437 memcpy(pfid->create_guid, buf->dcontext.CreateGuid, 16); in create_durable_v2_buf()
2439 memcpy(buf->dcontext.CreateGuid, pfid->create_guid, 16); in create_durable_v2_buf()
2442 buf->Name[0] = 'D'; in create_durable_v2_buf()
2443 buf->Name[1] = 'H'; in create_durable_v2_buf()
2444 buf->Name[2] = '2'; in create_durable_v2_buf()
2445 buf->Name[3] = 'Q'; in create_durable_v2_buf()
2459 buf->ccontext.DataOffset = in create_reconnect_durable_v2_buf()
2462 buf->ccontext.DataLength = in create_reconnect_durable_v2_buf()
2464 buf->ccontext.NameOffset = in create_reconnect_durable_v2_buf()
2467 buf->ccontext.NameLength = cpu_to_le16(4); in create_reconnect_durable_v2_buf()
2469 buf->dcontext.Fid.PersistentFileId = fid->persistent_fid; in create_reconnect_durable_v2_buf()
2470 buf->dcontext.Fid.VolatileFileId = fid->volatile_fid; in create_reconnect_durable_v2_buf()
2471 buf->dcontext.Flags = cpu_to_le32(SMB2_DHANDLE_FLAG_PERSISTENT); in create_reconnect_durable_v2_buf()
2472 memcpy(buf->dcontext.CreateGuid, fid->create_guid, 16); in create_reconnect_durable_v2_buf()
2475 buf->Name[0] = 'D'; in create_reconnect_durable_v2_buf()
2476 buf->Name[1] = 'H'; in create_reconnect_durable_v2_buf()
2477 buf->Name[2] = '2'; in create_reconnect_durable_v2_buf()
2478 buf->Name[3] = 'C'; in create_reconnect_durable_v2_buf()
2490 return -ENOMEM; in add_durable_v2_context()
2503 oparms->reconnect = false; in add_durable_reconnect_v2_context()
2505 iov[num].iov_base = create_reconnect_durable_v2_buf(oparms->fid); in add_durable_reconnect_v2_context()
2507 return -ENOMEM; in add_durable_reconnect_v2_context()
2520 if (oparms->reconnect) in add_durable_context()
2527 if (oparms->reconnect) { in add_durable_context()
2528 iov[num].iov_base = create_reconnect_durable_buf(oparms->fid); in add_durable_context()
2530 oparms->reconnect = false; in add_durable_context()
2534 return -ENOMEM; in add_durable_context()
2540 /* See MS-SMB2 2.2.13.2.7 */
2550 buf->ccontext.DataOffset = cpu_to_le16(offsetof in create_twarp_buf()
2552 buf->ccontext.DataLength = cpu_to_le32(8); in create_twarp_buf()
2553 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_twarp_buf()
2555 buf->ccontext.NameLength = cpu_to_le16(4); in create_twarp_buf()
2557 buf->Name[0] = 'T'; in create_twarp_buf()
2558 buf->Name[1] = 'W'; in create_twarp_buf()
2559 buf->Name[2] = 'r'; in create_twarp_buf()
2560 buf->Name[3] = 'p'; in create_twarp_buf()
2561 buf->Timestamp = cpu_to_le64(timewarp); in create_twarp_buf()
2565 /* See MS-SMB2 2.2.13.2.7 */
2573 return -ENOMEM; in add_twarp_context()
2579 /* See http://technet.microsoft.com/en-us/library/hh509017(v=ws.10).aspx */
2584 /* Populate the user ownership fields S-1-5-88-1 */ in setup_owner_group_sids()
2585 sids->owner.Revision = 1; in setup_owner_group_sids()
2586 sids->owner.NumAuth = 3; in setup_owner_group_sids()
2587 sids->owner.Authority[5] = 5; in setup_owner_group_sids()
2588 sids->owner.SubAuthorities[0] = cpu_to_le32(88); in setup_owner_group_sids()
2589 sids->owner.SubAuthorities[1] = cpu_to_le32(1); in setup_owner_group_sids()
2590 sids->owner.SubAuthorities[2] = cpu_to_le32(current_fsuid().val); in setup_owner_group_sids()
2592 /* Populate the group ownership fields S-1-5-88-2 */ in setup_owner_group_sids()
2593 sids->group.Revision = 1; in setup_owner_group_sids()
2594 sids->group.NumAuth = 3; in setup_owner_group_sids()
2595 sids->group.Authority[5] = 5; in setup_owner_group_sids()
2596 sids->group.SubAuthorities[0] = cpu_to_le32(88); in setup_owner_group_sids()
2597 sids->group.SubAuthorities[1] = cpu_to_le32(2); in setup_owner_group_sids()
2598 sids->group.SubAuthorities[2] = cpu_to_le32(current_fsgid().val); in setup_owner_group_sids()
2600 …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()
2603 /* See MS-SMB2 2.2.13.2.2 and MS-DTYP 2.4.6 */
2628 owner_offset = ptr - (__u8 *)&buf->sd; in create_sd_buf()
2629 buf->sd.OffsetOwner = cpu_to_le32(owner_offset); in create_sd_buf()
2631 buf->sd.OffsetGroup = cpu_to_le32(group_offset); in create_sd_buf()
2636 buf->sd.OffsetOwner = 0; in create_sd_buf()
2637 buf->sd.OffsetGroup = 0; in create_sd_buf()
2640 buf->ccontext.DataOffset = cpu_to_le16(offsetof(struct crt_sd_ctxt, sd)); in create_sd_buf()
2641 buf->ccontext.NameOffset = cpu_to_le16(offsetof(struct crt_sd_ctxt, Name)); in create_sd_buf()
2642 buf->ccontext.NameLength = cpu_to_le16(4); in create_sd_buf()
2644 buf->Name[0] = 'S'; in create_sd_buf()
2645 buf->Name[1] = 'e'; in create_sd_buf()
2646 buf->Name[2] = 'c'; in create_sd_buf()
2647 buf->Name[3] = 'D'; in create_sd_buf()
2648 buf->sd.Revision = 1; /* Must be one see MS-DTYP 2.4.6 */ in create_sd_buf()
2654 buf->sd.Control = cpu_to_le16(ACL_CONTROL_SR | ACL_CONTROL_DP); in create_sd_buf()
2657 buf->sd.OffsetDacl = cpu_to_le32(ptr - (__u8 *)&buf->sd); in create_sd_buf()
2682 acl.AclRevision = ACL_REVISION; /* See 2.4.4.1 of MS-DTYP */ in create_sd_buf()
2688 buf->ccontext.DataLength = cpu_to_le32(ptr - (__u8 *)&buf->sd); in create_sd_buf()
2689 *len = round_up((unsigned int)(ptr - (__u8 *)buf), 8); in create_sd_buf()
2702 return -ENOMEM; in add_sd_context()
2717 buf->ccontext.DataOffset = cpu_to_le16(0); in create_query_id_buf()
2718 buf->ccontext.DataLength = cpu_to_le32(0); in create_query_id_buf()
2719 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_query_id_buf()
2721 buf->ccontext.NameLength = cpu_to_le16(4); in create_query_id_buf()
2723 buf->Name[0] = 'Q'; in create_query_id_buf()
2724 buf->Name[1] = 'F'; in create_query_id_buf()
2725 buf->Name[2] = 'i'; in create_query_id_buf()
2726 buf->Name[3] = 'd'; in create_query_id_buf()
2730 /* See MS-SMB2 2.2.13.2.9 */
2738 return -ENOMEM; in add_query_id_context()
2747 struct kvec *iov = oparms->ea_cctx; in add_ea_context()
2749 if (iov && iov->iov_base && iov->iov_len) { in add_ea_context()
2768 return -EINVAL; in alloc_path_with_tree_prefix()
2771 treename_len -= 2; in alloc_path_with_tree_prefix()
2779 * final path needs to be 8-byte aligned as specified in in alloc_path_with_tree_prefix()
2780 * MS-SMB2 2.2.13 SMB2 CREATE Request. in alloc_path_with_tree_prefix()
2785 return -ENOMEM; in alloc_path_with_tree_prefix()
2802 umode_t mode, struct cifs_tcon *tcon, in smb311_posix_mkdir() argument
2809 struct cifs_ses *ses = tcon->ses; in smb311_posix_mkdir()
2837 return -ENOMEM; in smb311_posix_mkdir()
2840 rc = -EIO; in smb311_posix_mkdir()
2845 rc = smb2_plain_req_init(SMB2_CREATE, tcon, server, in smb311_posix_mkdir()
2851 if (smb3_encryption_required(tcon)) in smb311_posix_mkdir()
2854 req->ImpersonationLevel = IL_IMPERSONATION; in smb311_posix_mkdir()
2855 req->DesiredAccess = cpu_to_le32(FILE_WRITE_ATTRIBUTES); in smb311_posix_mkdir()
2857 req->FileAttributes = cpu_to_le32(file_attributes); in smb311_posix_mkdir()
2858 req->ShareAccess = FILE_SHARE_ALL_LE; in smb311_posix_mkdir()
2859 req->CreateDisposition = cpu_to_le32(FILE_CREATE); in smb311_posix_mkdir()
2860 req->CreateOptions = cpu_to_le32(CREATE_NOT_FILE); in smb311_posix_mkdir()
2863 /* -1 since last byte is buf[0] which is sent below (path) */ in smb311_posix_mkdir()
2864 iov[0].iov_len = total_len - 1; in smb311_posix_mkdir()
2866 req->NameOffset = cpu_to_le16(sizeof(struct smb2_create_req)); in smb311_posix_mkdir()
2868 /* [MS-SMB2] 2.2.13 NameOffset: in smb311_posix_mkdir()
2876 if (tcon->share_flags & SHI1005_FLAGS_DFS) { in smb311_posix_mkdir()
2879 req->hdr.Flags |= SMB2_FLAGS_DFS_OPERATIONS; in smb311_posix_mkdir()
2882 tcon->tree_name, utf16_path); in smb311_posix_mkdir()
2886 req->NameLength = cpu_to_le16(name_len * 2); in smb311_posix_mkdir()
2894 req->NameLength = cpu_to_le16(uni_path_len - 2); in smb311_posix_mkdir()
2899 rc = -ENOMEM; in smb311_posix_mkdir()
2913 req->RequestedOplockLevel = SMB2_OPLOCK_LEVEL_NONE; in smb311_posix_mkdir()
2915 if (tcon->posix_extensions) { in smb311_posix_mkdir()
2920 req->CreateContextsOffset = cpu_to_le32( in smb311_posix_mkdir()
2923 pc_buf = iov[n_iov-1].iov_base; in smb311_posix_mkdir()
2932 trace_smb3_posix_mkdir_enter(xid, tcon->tid, ses->Suid, full_path, CREATE_NOT_FILE, in smb311_posix_mkdir()
2942 cifs_stats_fail_inc(tcon, SMB2_CREATE_HE); in smb311_posix_mkdir()
2943 trace_smb3_posix_mkdir_err(xid, tcon->tid, ses->Suid, in smb311_posix_mkdir()
2956 rc = -EIO; in smb311_posix_mkdir()
2961 trace_smb3_posix_mkdir_done(xid, rsp->PersistentFileId, tcon->tid, ses->Suid, in smb311_posix_mkdir()
2964 SMB2_close(xid, tcon, rsp->PersistentFileId, rsp->VolatileFileId); in smb311_posix_mkdir()
2977 smb2_should_replay(tcon, &retries, &cur_sleep)) in smb311_posix_mkdir()
2984 SMB2_open_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_open_init() argument
2994 struct kvec *iov = rqst->rq_iov; in SMB2_open_init()
2998 rc = smb2_plain_req_init(SMB2_CREATE, tcon, server, in SMB2_open_init()
3004 /* -1 since last byte is buf[0] which is sent below (path) */ in SMB2_open_init()
3005 iov[0].iov_len = total_len - 1; in SMB2_open_init()
3007 if (oparms->create_options & CREATE_OPTION_READONLY) in SMB2_open_init()
3009 if (oparms->create_options & CREATE_OPTION_SPECIAL) in SMB2_open_init()
3012 req->ImpersonationLevel = IL_IMPERSONATION; in SMB2_open_init()
3013 req->DesiredAccess = cpu_to_le32(oparms->desired_access); in SMB2_open_init()
3015 req->FileAttributes = cpu_to_le32(file_attributes); in SMB2_open_init()
3016 req->ShareAccess = FILE_SHARE_ALL_LE; in SMB2_open_init()
3018 req->CreateDisposition = cpu_to_le32(oparms->disposition); in SMB2_open_init()
3019 req->CreateOptions = cpu_to_le32(oparms->create_options & CREATE_OPTIONS_MASK); in SMB2_open_init()
3020 req->NameOffset = cpu_to_le16(sizeof(struct smb2_create_req)); in SMB2_open_init()
3022 /* [MS-SMB2] 2.2.13 NameOffset: in SMB2_open_init()
3030 if (tcon->share_flags & SHI1005_FLAGS_DFS) { in SMB2_open_init()
3033 req->hdr.Flags |= SMB2_FLAGS_DFS_OPERATIONS; in SMB2_open_init()
3036 tcon->tree_name, path); in SMB2_open_init()
3039 req->NameLength = cpu_to_le16(name_len * 2); in SMB2_open_init()
3045 req->NameLength = cpu_to_le16(uni_path_len - 2); in SMB2_open_init()
3049 return -ENOMEM; in SMB2_open_init()
3059 if ((!server->oplocks) || (tcon->no_lease)) in SMB2_open_init()
3062 if (!(server->capabilities & SMB2_GLOBAL_CAP_LEASING) || in SMB2_open_init()
3064 req->RequestedOplockLevel = *oplock; in SMB2_open_init()
3065 else if (!(server->capabilities & SMB2_GLOBAL_CAP_DIRECTORY_LEASING) && in SMB2_open_init()
3066 (oparms->create_options & CREATE_NOT_FILE)) in SMB2_open_init()
3067 req->RequestedOplockLevel = *oplock; /* no srv lease support */ in SMB2_open_init()
3070 oparms->fid->lease_key, oplock); in SMB2_open_init()
3077 tcon->use_persistent); in SMB2_open_init()
3082 if (tcon->posix_extensions) { in SMB2_open_init()
3083 rc = add_posix_context(iov, &n_iov, oparms->mode); in SMB2_open_init()
3088 if (tcon->snapshot_time) { in SMB2_open_init()
3090 rc = add_twarp_context(iov, &n_iov, tcon->snapshot_time); in SMB2_open_init()
3095 if ((oparms->disposition != FILE_OPEN) && (oparms->cifs_sb)) { in SMB2_open_init()
3099 if ((oparms->cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MODE_FROM_SID) && in SMB2_open_init()
3100 (oparms->mode != ACL_NO_MODE)) in SMB2_open_init()
3104 oparms->mode = ACL_NO_MODE; in SMB2_open_init()
3107 if (oparms->cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UID_FROM_ACL) in SMB2_open_init()
3113 cifs_dbg(FYI, "add sd with mode 0x%x\n", oparms->mode); in SMB2_open_init()
3114 rc = add_sd_context(iov, &n_iov, oparms->mode, set_owner); in SMB2_open_init()
3128 req->CreateContextsOffset = cpu_to_le32( in SMB2_open_init()
3131 req->CreateContextsLength = 0; in SMB2_open_init()
3133 for (unsigned int i = 2; i < (n_iov-1); i++) { in SMB2_open_init()
3135 size_t len = v->iov_len; in SMB2_open_init()
3137 (struct create_context *)v->iov_base; in SMB2_open_init()
3139 cctx->Next = cpu_to_le32(len); in SMB2_open_init()
3140 le32_add_cpu(&req->CreateContextsLength, len); in SMB2_open_init()
3142 le32_add_cpu(&req->CreateContextsLength, in SMB2_open_init()
3143 iov[n_iov-1].iov_len); in SMB2_open_init()
3146 rqst->rq_nvec = n_iov; in SMB2_open_init()
3158 if (rqst && rqst->rq_iov) { in SMB2_open_free()
3159 cifs_small_buf_release(rqst->rq_iov[0].iov_base); in SMB2_open_free()
3160 for (i = 1; i < rqst->rq_nvec; i++) in SMB2_open_free()
3161 if (rqst->rq_iov[i].iov_base != smb2_padding) in SMB2_open_free()
3162 kfree(rqst->rq_iov[i].iov_base); in SMB2_open_free()
3174 struct cifs_tcon *tcon = oparms->tcon; in SMB2_open() local
3175 struct cifs_ses *ses = tcon->ses; in SMB2_open()
3188 oparms->replay = !!(retries); in SMB2_open()
3192 return -EIO; in SMB2_open()
3194 if (smb3_encryption_required(tcon)) in SMB2_open()
3202 rc = SMB2_open_init(tcon, server, in SMB2_open()
3207 trace_smb3_open_enter(xid, tcon->tid, tcon->ses->Suid, oparms->path, in SMB2_open()
3208 oparms->create_options, oparms->desired_access); in SMB2_open()
3219 cifs_stats_fail_inc(tcon, SMB2_CREATE_HE); in SMB2_open()
3226 trace_smb3_open_err(xid, tcon->tid, ses->Suid, in SMB2_open()
3227 oparms->create_options, oparms->desired_access, rc); in SMB2_open()
3228 if (rc == -EREMCHG) { in SMB2_open()
3230 tcon->tree_name); in SMB2_open()
3231 tcon->need_reconnect = true; in SMB2_open()
3237 trace_smb3_open_done(xid, rsp->PersistentFileId, tcon->tid, ses->Suid, in SMB2_open()
3238 oparms->create_options, oparms->desired_access); in SMB2_open()
3240 atomic_inc(&tcon->num_remote_opens); in SMB2_open()
3241 oparms->fid->persistent_fid = rsp->PersistentFileId; in SMB2_open()
3242 oparms->fid->volatile_fid = rsp->VolatileFileId; in SMB2_open()
3243 oparms->fid->access = oparms->desired_access; in SMB2_open()
3245 oparms->fid->mid = le64_to_cpu(rsp->hdr.MessageId); in SMB2_open()
3249 buf->CreationTime = rsp->CreationTime; in SMB2_open()
3250 buf->LastAccessTime = rsp->LastAccessTime; in SMB2_open()
3251 buf->LastWriteTime = rsp->LastWriteTime; in SMB2_open()
3252 buf->ChangeTime = rsp->ChangeTime; in SMB2_open()
3253 buf->AllocationSize = rsp->AllocationSize; in SMB2_open()
3254 buf->EndOfFile = rsp->EndofFile; in SMB2_open()
3255 buf->Attributes = rsp->FileAttributes; in SMB2_open()
3256 buf->NumberOfLinks = cpu_to_le32(1); in SMB2_open()
3257 buf->DeletePending = 0; in SMB2_open()
3261 rc = smb2_parse_contexts(server, &rsp_iov, &oparms->fid->epoch, in SMB2_open()
3262 oparms->fid->lease_key, oplock, buf, posix); in SMB2_open()
3268 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_open()
3275 SMB2_ioctl_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_ioctl_init() argument
3282 struct kvec *iov = rqst->rq_iov; in SMB2_ioctl_init()
3287 rc = smb2_ioctl_req_init(opcode, tcon, server, in SMB2_ioctl_init()
3300 return -ENOMEM; in SMB2_ioctl_init()
3304 req->CtlCode = cpu_to_le32(opcode); in SMB2_ioctl_init()
3305 req->PersistentFileId = persistent_fid; in SMB2_ioctl_init()
3306 req->VolatileFileId = volatile_fid; in SMB2_ioctl_init()
3318 req->InputCount = cpu_to_le32(indatalen); in SMB2_ioctl_init()
3320 req->InputOffset = in SMB2_ioctl_init()
3322 rqst->rq_nvec = 2; in SMB2_ioctl_init()
3323 iov[0].iov_len = total_len - 1; in SMB2_ioctl_init()
3327 rqst->rq_nvec = 1; in SMB2_ioctl_init()
3331 req->OutputOffset = 0; in SMB2_ioctl_init()
3332 req->OutputCount = 0; /* MBZ */ in SMB2_ioctl_init()
3349 req->MaxOutputResponse = cpu_to_le32(max_response_size); in SMB2_ioctl_init()
3350 req->hdr.CreditCharge = in SMB2_ioctl_init()
3354 req->Flags = cpu_to_le32(SMB2_0_IOCTL_IS_FSCTL); in SMB2_ioctl_init()
3356 /* validate negotiate request must be signed - see MS-SMB2 3.2.5.5 */ in SMB2_ioctl_init()
3358 req->hdr.Flags |= SMB2_FLAGS_SIGNED; in SMB2_ioctl_init()
3368 if (rqst && rqst->rq_iov) { in SMB2_ioctl_free()
3369 cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_ioctl_free()
3370 for (i = 1; i < rqst->rq_nvec; i++) in SMB2_ioctl_free()
3371 if (rqst->rq_iov[i].iov_base != smb2_padding) in SMB2_ioctl_free()
3372 kfree(rqst->rq_iov[i].iov_base); in SMB2_ioctl_free()
3381 SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, in SMB2_ioctl() argument
3397 if (!tcon) in SMB2_ioctl()
3398 return -EIO; in SMB2_ioctl()
3400 ses = tcon->ses; in SMB2_ioctl()
3402 return -EIO; in SMB2_ioctl()
3410 return -EIO; in SMB2_ioctl()
3421 if (smb3_encryption_required(tcon)) in SMB2_ioctl()
3429 rc = SMB2_ioctl_init(tcon, server, in SMB2_ioctl()
3444 trace_smb3_fsctl_err(xid, persistent_fid, tcon->tid, in SMB2_ioctl()
3445 ses->Suid, 0, opcode, rc); in SMB2_ioctl()
3447 if ((rc != 0) && (rc != -EINVAL) && (rc != -E2BIG)) { in SMB2_ioctl()
3448 cifs_stats_fail_inc(tcon, SMB2_IOCTL_HE); in SMB2_ioctl()
3450 } else if (rc == -EINVAL) { in SMB2_ioctl()
3453 cifs_stats_fail_inc(tcon, SMB2_IOCTL_HE); in SMB2_ioctl()
3456 } else if (rc == -E2BIG) { in SMB2_ioctl()
3458 cifs_stats_fail_inc(tcon, SMB2_IOCTL_HE); in SMB2_ioctl()
3473 rc = -EIO; in SMB2_ioctl()
3477 *plen = le32_to_cpu(rsp->OutputCount); in SMB2_ioctl()
3485 rc = -EIO; in SMB2_ioctl()
3489 if (rsp_iov.iov_len - *plen < le32_to_cpu(rsp->OutputOffset)) { in SMB2_ioctl()
3491 le32_to_cpu(rsp->OutputOffset)); in SMB2_ioctl()
3493 rc = -EIO; in SMB2_ioctl()
3497 *out_data = kmemdup((char *)rsp + le32_to_cpu(rsp->OutputOffset), in SMB2_ioctl()
3500 rc = -ENOMEM; in SMB2_ioctl()
3509 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_ioctl()
3520 SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_set_compression() argument
3530 rc = SMB2_ioctl(xid, tcon, persistent_fid, volatile_fid, in SMB2_set_compression()
3542 SMB2_close_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_close_init() argument
3547 struct kvec *iov = rqst->rq_iov; in SMB2_close_init()
3551 rc = smb2_plain_req_init(SMB2_CLOSE, tcon, server, in SMB2_close_init()
3556 req->PersistentFileId = persistent_fid; in SMB2_close_init()
3557 req->VolatileFileId = volatile_fid; in SMB2_close_init()
3559 req->Flags = SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB; in SMB2_close_init()
3561 req->Flags = 0; in SMB2_close_init()
3571 if (rqst && rqst->rq_iov) in SMB2_close_free()
3572 cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_close_free()
3576 __SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, in __SMB2_close() argument
3582 struct cifs_ses *ses = tcon->ses; in __SMB2_close()
3601 return -EIO; in __SMB2_close()
3603 if (smb3_encryption_required(tcon)) in __SMB2_close()
3615 trace_smb3_close_enter(xid, persistent_fid, tcon->tid, ses->Suid); in __SMB2_close()
3616 rc = SMB2_close_init(tcon, server, in __SMB2_close()
3630 cifs_stats_fail_inc(tcon, SMB2_CLOSE_HE); in __SMB2_close()
3631 trace_smb3_close_err(xid, persistent_fid, tcon->tid, ses->Suid, in __SMB2_close()
3635 trace_smb3_close_done(xid, persistent_fid, tcon->tid, in __SMB2_close()
3636 ses->Suid); in __SMB2_close()
3638 memcpy(&pbuf->network_open_info, in __SMB2_close()
3639 &rsp->network_open_info, in __SMB2_close()
3640 sizeof(pbuf->network_open_info)); in __SMB2_close()
3641 atomic_dec(&tcon->num_remote_opens); in __SMB2_close()
3652 tmp_rc = smb2_handle_cancelled_close(tcon, persistent_fid, in __SMB2_close()
3660 smb2_should_replay(tcon, &retries, &cur_sleep)) in __SMB2_close()
3667 SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_close() argument
3670 return __SMB2_close(xid, tcon, persistent_fid, volatile_fid, NULL); in SMB2_close()
3677 unsigned int smb_len = iov->iov_len; in smb2_validate_iov()
3678 char *end_of_smb = smb_len + (char *)iov->iov_base; in smb2_validate_iov()
3679 char *begin_of_buf = offset + (char *)iov->iov_base; in smb2_validate_iov()
3686 return -EINVAL; in smb2_validate_iov()
3693 return -EINVAL; in smb2_validate_iov()
3698 return -EINVAL; in smb2_validate_iov()
3713 char *begin_of_buf = offset + (char *)iov->iov_base; in smb2_validate_and_copy_iov()
3717 return -EINVAL; in smb2_validate_and_copy_iov()
3729 SMB2_query_info_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_query_info_init() argument
3736 struct kvec *iov = rqst->rq_iov; in SMB2_query_info_init()
3743 return -EINVAL; in SMB2_query_info_init()
3745 rc = smb2_plain_req_init(SMB2_QUERY_INFO, tcon, server, in SMB2_query_info_init()
3750 req->InfoType = info_type; in SMB2_query_info_init()
3751 req->FileInfoClass = info_class; in SMB2_query_info_init()
3752 req->PersistentFileId = persistent_fid; in SMB2_query_info_init()
3753 req->VolatileFileId = volatile_fid; in SMB2_query_info_init()
3754 req->AdditionalInformation = cpu_to_le32(additional_info); in SMB2_query_info_init()
3756 req->OutputBufferLength = cpu_to_le32(output_len); in SMB2_query_info_init()
3758 req->InputBufferLength = cpu_to_le32(input_len); in SMB2_query_info_init()
3760 req->InputBufferOffset = cpu_to_le16(total_len - 1); in SMB2_query_info_init()
3761 memcpy(req->Buffer, input, input_len); in SMB2_query_info_init()
3773 if (rqst && rqst->rq_iov) in SMB2_query_info_free()
3774 cifs_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_query_info_free()
3778 query_info(const unsigned int xid, struct cifs_tcon *tcon, in query_info() argument
3789 struct cifs_ses *ses = tcon->ses; in query_info()
3798 return -EIO; in query_info()
3807 return -EIO; in query_info()
3809 if (smb3_encryption_required(tcon)) in query_info()
3817 rc = SMB2_query_info_init(tcon, server, in query_info()
3824 trace_smb3_query_info_enter(xid, persistent_fid, tcon->tid, in query_info()
3825 ses->Suid, info_class, (__u32)info_type); in query_info()
3835 cifs_stats_fail_inc(tcon, SMB2_QUERY_INFO_HE); in query_info()
3836 trace_smb3_query_info_err(xid, persistent_fid, tcon->tid, in query_info()
3837 ses->Suid, info_class, (__u32)info_type, rc); in query_info()
3841 trace_smb3_query_info_done(xid, persistent_fid, tcon->tid, in query_info()
3842 ses->Suid, info_class, (__u32)info_type); in query_info()
3845 *dlen = le32_to_cpu(rsp->OutputBufferLength); in query_info()
3853 rc = -ENOMEM; in query_info()
3860 rc = smb2_validate_and_copy_iov(le16_to_cpu(rsp->OutputBufferOffset), in query_info()
3861 le32_to_cpu(rsp->OutputBufferLength), in query_info()
3874 smb2_should_replay(tcon, &retries, &cur_sleep)) in query_info()
3880 int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_query_info() argument
3883 return query_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_query_info()
3893 SMB311_posix_query_info(const unsigned int xid, struct cifs_tcon *tcon,
3900 return query_info(xid, tcon, persistent_fid, volatile_fid,
3908 SMB2_query_acl(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_query_acl() argument
3916 return query_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_query_acl()
3922 SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_get_srv_num() argument
3925 return query_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_get_srv_num()
3934 * See MS-SMB2 2.2.35 and 2.2.36
3939 struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_notify_init() argument
3944 struct kvec *iov = rqst->rq_iov; in SMB2_notify_init()
3948 rc = smb2_plain_req_init(SMB2_CHANGE_NOTIFY, tcon, server, in SMB2_notify_init()
3953 req->PersistentFileId = persistent_fid; in SMB2_notify_init()
3954 req->VolatileFileId = volatile_fid; in SMB2_notify_init()
3955 /* See note 354 of MS-SMB2, 64K max */ in SMB2_notify_init()
3956 req->OutputBufferLength = in SMB2_notify_init()
3957 cpu_to_le32(SMB2_MAX_BUFFER_SIZE - MAX_SMB2_HDR_SIZE); in SMB2_notify_init()
3958 req->CompletionFilter = cpu_to_le32(completion_filter); in SMB2_notify_init()
3960 req->Flags = cpu_to_le16(SMB2_WATCH_TREE); in SMB2_notify_init()
3962 req->Flags = 0; in SMB2_notify_init()
3971 SMB2_change_notify(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_change_notify() argument
3976 struct cifs_ses *ses = tcon->ses; in SMB2_change_notify()
3994 return -EIO; in SMB2_change_notify()
3996 if (smb3_encryption_required(tcon)) in SMB2_change_notify()
4007 rc = SMB2_notify_init(xid, &rqst, tcon, server, in SMB2_change_notify()
4013 trace_smb3_notify_enter(xid, persistent_fid, tcon->tid, ses->Suid, in SMB2_change_notify()
4023 cifs_stats_fail_inc(tcon, SMB2_CHANGE_NOTIFY_HE); in SMB2_change_notify()
4024 trace_smb3_notify_err(xid, persistent_fid, tcon->tid, ses->Suid, in SMB2_change_notify()
4027 trace_smb3_notify_done(xid, persistent_fid, tcon->tid, in SMB2_change_notify()
4028 ses->Suid, (u8)watch_tree, completion_filter); in SMB2_change_notify()
4036 smb2_validate_iov(le16_to_cpu(smb_rsp->OutputBufferOffset), in SMB2_change_notify()
4037 le32_to_cpu(smb_rsp->OutputBufferLength), &rsp_iov, in SMB2_change_notify()
4040 *out_data = kmemdup((char *)smb_rsp + le16_to_cpu(smb_rsp->OutputBufferOffset), in SMB2_change_notify()
4041 le32_to_cpu(smb_rsp->OutputBufferLength), GFP_KERNEL); in SMB2_change_notify()
4043 rc = -ENOMEM; in SMB2_change_notify()
4046 *plen = le32_to_cpu(smb_rsp->OutputBufferLength); in SMB2_change_notify()
4055 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_change_notify()
4064 * This is a no-op for now. We're not really interested in the reply, but
4065 * rather in the fact that the server sent one and that server->lstrp
4073 struct TCP_Server_Info *server = mid->callback_data; in smb2_echo_callback()
4074 struct smb2_echo_rsp *rsp = (struct smb2_echo_rsp *)mid->resp_buf; in smb2_echo_callback()
4077 if (mid->mid_state == MID_RESPONSE_RECEIVED in smb2_echo_callback()
4078 || mid->mid_state == MID_RESPONSE_MALFORMED) { in smb2_echo_callback()
4079 credits.value = le16_to_cpu(rsp->hdr.CreditRequest); in smb2_echo_callback()
4080 credits.instance = server->reconnect_instance; in smb2_echo_callback()
4093 struct cifs_tcon *tcon, *tcon2; in smb2_reconnect_server() local
4102 if (!server->srv_count) { in smb2_reconnect_server()
4106 server->srv_count++; in smb2_reconnect_server()
4109 /* If server is a channel, select the primary channel */ in smb2_reconnect_server()
4110 pserver = SERVER_IS_CHAN(server) ? server->primary_server : server; in smb2_reconnect_server()
4112 /* Prevent simultaneous reconnects that can corrupt tcon->rlist list */ in smb2_reconnect_server()
4113 mutex_lock(&pserver->reconnect_mutex); in smb2_reconnect_server()
4116 if (server->terminate) { in smb2_reconnect_server()
4118 mutex_unlock(&pserver->reconnect_mutex); in smb2_reconnect_server()
4127 list_for_each_entry(ses, &pserver->smb_ses_list, smb_ses_list) { in smb2_reconnect_server()
4128 spin_lock(&ses->ses_lock); in smb2_reconnect_server()
4129 if (ses->ses_status == SES_EXITING) { in smb2_reconnect_server()
4130 spin_unlock(&ses->ses_lock); in smb2_reconnect_server()
4133 spin_unlock(&ses->ses_lock); in smb2_reconnect_server()
4137 list_for_each_entry(tcon, &ses->tcon_list, tcon_list) { in smb2_reconnect_server()
4138 if (tcon->need_reconnect || tcon->need_reopen_files) { in smb2_reconnect_server()
4139 tcon->tc_count++; in smb2_reconnect_server()
4140 trace_smb3_tcon_ref(tcon->debug_id, tcon->tc_count, in smb2_reconnect_server()
4142 list_add_tail(&tcon->rlist, &tmp_list); in smb2_reconnect_server()
4150 if (ses->tcon_ipc && ses->tcon_ipc->need_reconnect) { in smb2_reconnect_server()
4151 list_add_tail(&ses->tcon_ipc->rlist, &tmp_list); in smb2_reconnect_server()
4156 * handle the case where channel needs to reconnect in smb2_reconnect_server()
4157 * binding session, but tcon is healthy (some other channel in smb2_reconnect_server()
4160 spin_lock(&ses->chan_lock); in smb2_reconnect_server()
4162 list_add_tail(&ses->rlist, &tmp_ses_list); in smb2_reconnect_server()
4166 spin_unlock(&ses->chan_lock); in smb2_reconnect_server()
4170 list_for_each_entry_safe(tcon, tcon2, &tmp_list, rlist) { in smb2_reconnect_server()
4171 rc = smb2_reconnect(SMB2_INTERNAL_CMD, tcon, server, true); in smb2_reconnect_server()
4173 cifs_reopen_persistent_handles(tcon); in smb2_reconnect_server()
4176 list_del_init(&tcon->rlist); in smb2_reconnect_server()
4177 if (tcon->ipc) in smb2_reconnect_server()
4178 cifs_put_smb_ses(tcon->ses); in smb2_reconnect_server()
4180 cifs_put_tcon(tcon, netfs_trace_tcon_ref_put_reconnect_server); in smb2_reconnect_server()
4186 /* allocate a dummy tcon struct used for reconnect */ in smb2_reconnect_server()
4187 tcon = tcon_info_alloc(false, netfs_trace_tcon_ref_new_reconnect_server); in smb2_reconnect_server()
4188 if (!tcon) { in smb2_reconnect_server()
4191 list_del_init(&ses->rlist); in smb2_reconnect_server()
4197 tcon->status = TID_GOOD; in smb2_reconnect_server()
4198 tcon->retry = false; in smb2_reconnect_server()
4199 tcon->need_reconnect = false; in smb2_reconnect_server()
4203 tcon->ses = ses; in smb2_reconnect_server()
4204 rc = smb2_reconnect(SMB2_INTERNAL_CMD, tcon, server, true); in smb2_reconnect_server()
4207 list_del_init(&ses->rlist); in smb2_reconnect_server()
4210 tconInfoFree(tcon, netfs_trace_tcon_ref_free_reconnect_server); in smb2_reconnect_server()
4215 queue_delayed_work(cifsiod_wq, &server->reconnect, 2 * HZ); in smb2_reconnect_server()
4216 mutex_unlock(&pserver->reconnect_mutex); in smb2_reconnect_server()
4232 cifs_dbg(FYI, "In echo request for conn_id %lld\n", server->conn_id); in SMB2_echo()
4234 spin_lock(&server->srv_lock); in SMB2_echo()
4235 if (server->ops->need_neg && in SMB2_echo()
4236 server->ops->need_neg(server)) { in SMB2_echo()
4237 spin_unlock(&server->srv_lock); in SMB2_echo()
4239 mod_delayed_work(cifsiod_wq, &server->reconnect, 0); in SMB2_echo()
4242 spin_unlock(&server->srv_lock); in SMB2_echo()
4249 req->hdr.CreditRequest = cpu_to_le16(1); in SMB2_echo()
4266 if (rqst && rqst->rq_iov) in SMB2_flush_free()
4267 cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_flush_free()
4272 struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_flush_init() argument
4276 struct kvec *iov = rqst->rq_iov; in SMB2_flush_init()
4280 rc = smb2_plain_req_init(SMB2_FLUSH, tcon, server, in SMB2_flush_init()
4285 req->PersistentFileId = persistent_fid; in SMB2_flush_init()
4286 req->VolatileFileId = volatile_fid; in SMB2_flush_init()
4295 SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, in SMB2_flush() argument
4298 struct cifs_ses *ses = tcon->ses; in SMB2_flush()
4314 if (!ses || !(ses->server)) in SMB2_flush()
4315 return -EIO; in SMB2_flush()
4317 if (smb3_encryption_required(tcon)) in SMB2_flush()
4325 rc = SMB2_flush_init(xid, &rqst, tcon, server, in SMB2_flush()
4330 trace_smb3_flush_enter(xid, persistent_fid, tcon->tid, ses->Suid); in SMB2_flush()
4339 cifs_stats_fail_inc(tcon, SMB2_FLUSH_HE); in SMB2_flush()
4340 trace_smb3_flush_err(xid, persistent_fid, tcon->tid, ses->Suid, in SMB2_flush()
4343 trace_smb3_flush_done(xid, persistent_fid, tcon->tid, in SMB2_flush()
4344 ses->Suid); in SMB2_flush()
4351 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_flush()
4360 struct TCP_Server_Info *server = io_parms->server; in smb3_use_rdma_offload()
4361 struct cifs_tcon *tcon = io_parms->tcon; in smb3_use_rdma_offload() local
4364 if (!server || !tcon) in smb3_use_rdma_offload()
4368 if (!server->rdma || !server->smbd_conn) in smb3_use_rdma_offload()
4372 if (server->sign) in smb3_use_rdma_offload()
4376 if (smb3_encryption_required(tcon)) in smb3_use_rdma_offload()
4380 if (io_parms->length < server->smbd_conn->rdma_readwrite_threshold) in smb3_use_rdma_offload()
4396 int rc = -EACCES; in smb2_new_read_req()
4399 struct TCP_Server_Info *server = io_parms->server; in smb2_new_read_req()
4401 rc = smb2_plain_req_init(SMB2_READ, io_parms->tcon, server, in smb2_new_read_req()
4407 return -ECONNABORTED; in smb2_new_read_req()
4409 shdr = &req->hdr; in smb2_new_read_req()
4410 shdr->Id.SyncId.ProcessId = cpu_to_le32(io_parms->pid); in smb2_new_read_req()
4412 req->PersistentFileId = io_parms->persistent_fid; in smb2_new_read_req()
4413 req->VolatileFileId = io_parms->volatile_fid; in smb2_new_read_req()
4414 req->ReadChannelInfoOffset = 0; /* reserved */ in smb2_new_read_req()
4415 req->ReadChannelInfoLength = 0; /* reserved */ in smb2_new_read_req()
4416 req->Channel = 0; /* reserved */ in smb2_new_read_req()
4417 req->MinimumCount = 0; in smb2_new_read_req()
4418 req->Length = cpu_to_le32(io_parms->length); in smb2_new_read_req()
4419 req->Offset = cpu_to_le64(io_parms->offset); in smb2_new_read_req()
4421 trace_smb3_read_enter(rdata ? rdata->rreq->debug_id : 0, in smb2_new_read_req()
4422 rdata ? rdata->subreq.debug_index : 0, in smb2_new_read_req()
4423 rdata ? rdata->xid : 0, in smb2_new_read_req()
4424 io_parms->persistent_fid, in smb2_new_read_req()
4425 io_parms->tcon->tid, io_parms->tcon->ses->Suid, in smb2_new_read_req()
4426 io_parms->offset, io_parms->length); in smb2_new_read_req()
4434 bool need_invalidate = server->dialect == SMB30_PROT_ID; in smb2_new_read_req()
4436 rdata->mr = smbd_register_mr(server->smbd_conn, &rdata->subreq.io_iter, in smb2_new_read_req()
4438 if (!rdata->mr) in smb2_new_read_req()
4439 return -EAGAIN; in smb2_new_read_req()
4441 req->Channel = SMB2_CHANNEL_RDMA_V1_INVALIDATE; in smb2_new_read_req()
4443 req->Channel = SMB2_CHANNEL_RDMA_V1; in smb2_new_read_req()
4444 req->ReadChannelInfoOffset = in smb2_new_read_req()
4446 req->ReadChannelInfoLength = in smb2_new_read_req()
4448 v1 = (struct smbd_buffer_descriptor_v1 *) &req->Buffer[0]; in smb2_new_read_req()
4449 v1->offset = cpu_to_le64(rdata->mr->mr->iova); in smb2_new_read_req()
4450 v1->token = cpu_to_le32(rdata->mr->mr->rkey); in smb2_new_read_req()
4451 v1->length = cpu_to_le32(rdata->mr->mr->length); in smb2_new_read_req()
4453 *total_len += sizeof(*v1) - 1; in smb2_new_read_req()
4458 /* next 8-byte aligned request */ in smb2_new_read_req()
4460 shdr->NextCommand = cpu_to_le32(*total_len); in smb2_new_read_req()
4462 shdr->NextCommand = 0; in smb2_new_read_req()
4464 shdr->Flags |= SMB2_FLAGS_RELATED_OPERATIONS; in smb2_new_read_req()
4469 shdr->SessionId = cpu_to_le64(0xFFFFFFFFFFFFFFFF); in smb2_new_read_req()
4470 shdr->Id.SyncId.TreeId = cpu_to_le32(0xFFFFFFFF); in smb2_new_read_req()
4471 req->PersistentFileId = (u64)-1; in smb2_new_read_req()
4472 req->VolatileFileId = (u64)-1; in smb2_new_read_req()
4475 if (remaining_bytes > io_parms->length) in smb2_new_read_req()
4476 req->RemainingBytes = cpu_to_le32(remaining_bytes); in smb2_new_read_req()
4478 req->RemainingBytes = 0; in smb2_new_read_req()
4487 struct cifs_io_subrequest *rdata = mid->callback_data; in smb2_readv_callback()
4488 struct netfs_inode *ictx = netfs_inode(rdata->rreq->inode); in smb2_readv_callback()
4489 struct cifs_tcon *tcon = tlink_tcon(rdata->req->cfile->tlink); in smb2_readv_callback() local
4490 struct TCP_Server_Info *server = rdata->server; in smb2_readv_callback()
4492 (struct smb2_hdr *)rdata->iov[0].iov_base; in smb2_readv_callback()
4496 .rreq_debug_id = rdata->rreq->debug_id, in smb2_readv_callback()
4497 .rreq_debug_index = rdata->subreq.debug_index, in smb2_readv_callback()
4499 struct smb_rqst rqst = { .rq_iov = &rdata->iov[1], .rq_nvec = 1 }; in smb2_readv_callback()
4500 unsigned int rreq_debug_id = rdata->rreq->debug_id; in smb2_readv_callback()
4501 unsigned int subreq_debug_index = rdata->subreq.debug_index; in smb2_readv_callback()
4503 if (rdata->got_bytes) { in smb2_readv_callback()
4504 rqst.rq_iter = rdata->subreq.io_iter; in smb2_readv_callback()
4507 WARN_ONCE(rdata->server != mid->server, in smb2_readv_callback()
4509 rdata->server, mid->server); in smb2_readv_callback()
4512 __func__, mid->mid, mid->mid_state, rdata->result, in smb2_readv_callback()
4513 rdata->got_bytes, rdata->subreq.len - rdata->subreq.transferred); in smb2_readv_callback()
4515 switch (mid->mid_state) { in smb2_readv_callback()
4517 credits.value = le16_to_cpu(shdr->CreditRequest); in smb2_readv_callback()
4518 credits.instance = server->reconnect_instance; in smb2_readv_callback()
4520 if (server->sign && !mid->decrypted) { in smb2_readv_callback()
4523 iov_iter_truncate(&rqst.rq_iter, rdata->got_bytes); in smb2_readv_callback()
4530 task_io_account_read(rdata->got_bytes); in smb2_readv_callback()
4531 cifs_stats_bytes_read(tcon, rdata->got_bytes); in smb2_readv_callback()
4535 __set_bit(NETFS_SREQ_NEED_RETRY, &rdata->subreq.flags); in smb2_readv_callback()
4536 rdata->result = -EAGAIN; in smb2_readv_callback()
4537 if (server->sign && rdata->got_bytes) in smb2_readv_callback()
4539 rdata->got_bytes = 0; in smb2_readv_callback()
4541 task_io_account_read(rdata->got_bytes); in smb2_readv_callback()
4542 cifs_stats_bytes_read(tcon, rdata->got_bytes); in smb2_readv_callback()
4545 credits.value = le16_to_cpu(shdr->CreditRequest); in smb2_readv_callback()
4546 credits.instance = server->reconnect_instance; in smb2_readv_callback()
4549 rdata->result = -EIO; in smb2_readv_callback()
4557 if (rdata->mr) { in smb2_readv_callback()
4558 smbd_deregister_mr(rdata->mr); in smb2_readv_callback()
4559 rdata->mr = NULL; in smb2_readv_callback()
4562 if (rdata->result && rdata->result != -ENODATA) { in smb2_readv_callback()
4563 cifs_stats_fail_inc(tcon, SMB2_READ_HE); in smb2_readv_callback()
4564 trace_smb3_read_err(rdata->rreq->debug_id, in smb2_readv_callback()
4565 rdata->subreq.debug_index, in smb2_readv_callback()
4566 rdata->xid, in smb2_readv_callback()
4567 rdata->req->cfile->fid.persistent_fid, in smb2_readv_callback()
4568 tcon->tid, tcon->ses->Suid, in smb2_readv_callback()
4569 rdata->subreq.start + rdata->subreq.transferred, in smb2_readv_callback()
4570 rdata->subreq.len - rdata->subreq.transferred, in smb2_readv_callback()
4571 rdata->result); in smb2_readv_callback()
4573 trace_smb3_read_done(rdata->rreq->debug_id, in smb2_readv_callback()
4574 rdata->subreq.debug_index, in smb2_readv_callback()
4575 rdata->xid, in smb2_readv_callback()
4576 rdata->req->cfile->fid.persistent_fid, in smb2_readv_callback()
4577 tcon->tid, tcon->ses->Suid, in smb2_readv_callback()
4578 rdata->subreq.start + rdata->subreq.transferred, in smb2_readv_callback()
4579 rdata->got_bytes); in smb2_readv_callback()
4581 if (rdata->result == -ENODATA) { in smb2_readv_callback()
4582 __set_bit(NETFS_SREQ_HIT_EOF, &rdata->subreq.flags); in smb2_readv_callback()
4583 rdata->result = 0; in smb2_readv_callback()
4585 size_t trans = rdata->subreq.transferred + rdata->got_bytes; in smb2_readv_callback()
4586 if (trans < rdata->subreq.len && in smb2_readv_callback()
4587 rdata->subreq.start + trans == ictx->remote_i_size) { in smb2_readv_callback()
4588 __set_bit(NETFS_SREQ_HIT_EOF, &rdata->subreq.flags); in smb2_readv_callback()
4589 rdata->result = 0; in smb2_readv_callback()
4591 if (rdata->got_bytes) in smb2_readv_callback()
4592 __set_bit(NETFS_SREQ_MADE_PROGRESS, &rdata->subreq.flags); in smb2_readv_callback()
4594 trace_smb3_rw_credits(rreq_debug_id, subreq_debug_index, rdata->credits.value, in smb2_readv_callback()
4595 server->credits, server->in_flight, in smb2_readv_callback()
4597 rdata->credits.value = 0; in smb2_readv_callback()
4598 rdata->subreq.error = rdata->result; in smb2_readv_callback()
4599 rdata->subreq.transferred += rdata->got_bytes; in smb2_readv_callback()
4600 trace_netfs_sreq(&rdata->subreq, netfs_sreq_trace_io_progress); in smb2_readv_callback()
4601 netfs_read_subreq_terminated(&rdata->subreq); in smb2_readv_callback()
4604 server->credits, server->in_flight, in smb2_readv_callback()
4609 /* smb2_async_readv - send an async read, and set up mid to handle result */
4615 struct netfs_io_subrequest *subreq = &rdata->subreq; in smb2_async_readv()
4618 struct smb_rqst rqst = { .rq_iov = rdata->iov, in smb2_async_readv()
4621 struct cifs_tcon *tcon = tlink_tcon(rdata->req->cfile->tlink); in smb2_async_readv() local
4626 __func__, subreq->start, subreq->len); in smb2_async_readv()
4628 if (!rdata->server) in smb2_async_readv()
4629 rdata->server = cifs_pick_channel(tcon->ses); in smb2_async_readv()
4631 io_parms.tcon = tlink_tcon(rdata->req->cfile->tlink); in smb2_async_readv()
4632 io_parms.server = server = rdata->server; in smb2_async_readv()
4633 io_parms.offset = subreq->start + subreq->transferred; in smb2_async_readv()
4634 io_parms.length = subreq->len - subreq->transferred; in smb2_async_readv()
4635 io_parms.persistent_fid = rdata->req->cfile->fid.persistent_fid; in smb2_async_readv()
4636 io_parms.volatile_fid = rdata->req->cfile->fid.volatile_fid; in smb2_async_readv()
4637 io_parms.pid = rdata->req->pid; in smb2_async_readv()
4644 if (smb3_encryption_required(io_parms.tcon)) in smb2_async_readv()
4647 rdata->iov[0].iov_base = buf; in smb2_async_readv()
4648 rdata->iov[0].iov_len = total_len; in smb2_async_readv()
4649 rdata->got_bytes = 0; in smb2_async_readv()
4650 rdata->result = 0; in smb2_async_readv()
4654 if (rdata->credits.value > 0) { in smb2_async_readv()
4655 shdr->CreditCharge = cpu_to_le16(DIV_ROUND_UP(io_parms.length, in smb2_async_readv()
4657 credit_request = le16_to_cpu(shdr->CreditCharge) + 8; in smb2_async_readv()
4658 if (server->credits >= server->max_credits) in smb2_async_readv()
4659 shdr->CreditRequest = cpu_to_le16(0); in smb2_async_readv()
4661 shdr->CreditRequest = cpu_to_le16( in smb2_async_readv()
4662 min_t(int, server->max_credits - in smb2_async_readv()
4663 server->credits, credit_request)); in smb2_async_readv()
4675 &rdata->credits); in smb2_async_readv()
4677 cifs_stats_fail_inc(io_parms.tcon, SMB2_READ_HE); in smb2_async_readv()
4678 trace_smb3_read_err(rdata->rreq->debug_id, in smb2_async_readv()
4679 subreq->debug_index, in smb2_async_readv()
4680 rdata->xid, io_parms.persistent_fid, in smb2_async_readv()
4681 io_parms.tcon->tid, in smb2_async_readv()
4682 io_parms.tcon->ses->Suid, in smb2_async_readv()
4684 subreq->len - subreq->transferred, rc); in smb2_async_readv()
4704 struct cifs_ses *ses = io_parms->tcon->ses; in SMB2_read()
4706 if (!io_parms->server) in SMB2_read()
4707 io_parms->server = cifs_pick_channel(io_parms->tcon->ses); in SMB2_read()
4714 if (smb3_encryption_required(io_parms->tcon)) in SMB2_read()
4724 rc = cifs_send_recv(xid, ses, io_parms->server, in SMB2_read()
4729 if (rc != -ENODATA) { in SMB2_read()
4730 cifs_stats_fail_inc(io_parms->tcon, SMB2_READ_HE); in SMB2_read()
4733 req->PersistentFileId, in SMB2_read()
4734 io_parms->tcon->tid, ses->Suid, in SMB2_read()
4735 io_parms->offset, io_parms->length, in SMB2_read()
4739 req->PersistentFileId, io_parms->tcon->tid, in SMB2_read()
4740 ses->Suid, io_parms->offset, 0); in SMB2_read()
4743 return rc == -ENODATA ? 0 : rc; in SMB2_read()
4746 req->PersistentFileId, in SMB2_read()
4747 io_parms->tcon->tid, ses->Suid, in SMB2_read()
4748 io_parms->offset, io_parms->length); in SMB2_read()
4752 *nbytes = le32_to_cpu(rsp->DataLength); in SMB2_read()
4754 (*nbytes > io_parms->length)) { in SMB2_read()
4756 *nbytes, io_parms->length); in SMB2_read()
4757 rc = -EIO; in SMB2_read()
4762 memcpy(*buf, (char *)rsp + rsp->DataOffset, *nbytes); in SMB2_read()
4781 struct cifs_io_subrequest *wdata = mid->callback_data; in smb2_writev_callback()
4782 struct cifs_tcon *tcon = tlink_tcon(wdata->req->cfile->tlink); in smb2_writev_callback() local
4783 struct TCP_Server_Info *server = wdata->server; in smb2_writev_callback()
4784 struct smb2_write_rsp *rsp = (struct smb2_write_rsp *)mid->resp_buf; in smb2_writev_callback()
4788 .rreq_debug_id = wdata->rreq->debug_id, in smb2_writev_callback()
4789 .rreq_debug_index = wdata->subreq.debug_index, in smb2_writev_callback()
4791 unsigned int rreq_debug_id = wdata->rreq->debug_id; in smb2_writev_callback()
4792 unsigned int subreq_debug_index = wdata->subreq.debug_index; in smb2_writev_callback()
4796 WARN_ONCE(wdata->server != mid->server, in smb2_writev_callback()
4798 wdata->server, mid->server); in smb2_writev_callback()
4800 switch (mid->mid_state) { in smb2_writev_callback()
4802 credits.value = le16_to_cpu(rsp->hdr.CreditRequest); in smb2_writev_callback()
4803 credits.instance = server->reconnect_instance; in smb2_writev_callback()
4808 written = le32_to_cpu(rsp->DataLength); in smb2_writev_callback()
4815 if (written > wdata->subreq.len) in smb2_writev_callback()
4818 cifs_stats_bytes_written(tcon, written); in smb2_writev_callback()
4820 if (written < wdata->subreq.len) { in smb2_writev_callback()
4821 wdata->result = -ENOSPC; in smb2_writev_callback()
4823 wdata->subreq.len = written; in smb2_writev_callback()
4824 __set_bit(NETFS_SREQ_MADE_PROGRESS, &wdata->subreq.flags); in smb2_writev_callback()
4829 result = -EAGAIN; in smb2_writev_callback()
4832 credits.value = le16_to_cpu(rsp->hdr.CreditRequest); in smb2_writev_callback()
4833 credits.instance = server->reconnect_instance; in smb2_writev_callback()
4836 result = -EIO; in smb2_writev_callback()
4847 if (wdata->mr) { in smb2_writev_callback()
4848 smbd_deregister_mr(wdata->mr); in smb2_writev_callback()
4849 wdata->mr = NULL; in smb2_writev_callback()
4853 cifs_stats_fail_inc(tcon, SMB2_WRITE_HE); in smb2_writev_callback()
4854 trace_smb3_write_err(wdata->rreq->debug_id, in smb2_writev_callback()
4855 wdata->subreq.debug_index, in smb2_writev_callback()
4856 wdata->xid, in smb2_writev_callback()
4857 wdata->req->cfile->fid.persistent_fid, in smb2_writev_callback()
4858 tcon->tid, tcon->ses->Suid, wdata->subreq.start, in smb2_writev_callback()
4859 wdata->subreq.len, wdata->result); in smb2_writev_callback()
4860 if (wdata->result == -ENOSPC) in smb2_writev_callback()
4862 tcon->tree_name); in smb2_writev_callback()
4864 trace_smb3_write_done(wdata->rreq->debug_id, in smb2_writev_callback()
4865 wdata->subreq.debug_index, in smb2_writev_callback()
4866 wdata->xid, in smb2_writev_callback()
4867 wdata->req->cfile->fid.persistent_fid, in smb2_writev_callback()
4868 tcon->tid, tcon->ses->Suid, in smb2_writev_callback()
4869 wdata->subreq.start, wdata->subreq.len); in smb2_writev_callback()
4871 trace_smb3_rw_credits(rreq_debug_id, subreq_debug_index, wdata->credits.value, in smb2_writev_callback()
4872 server->credits, server->in_flight, in smb2_writev_callback()
4874 wdata->credits.value = 0; in smb2_writev_callback()
4875 trace_netfs_sreq(&wdata->subreq, netfs_sreq_trace_io_progress); in smb2_writev_callback()
4879 server->credits, server->in_flight, in smb2_writev_callback()
4884 /* smb2_async_writev - send an async write, and set up mid to handle result */
4888 int rc = -EACCES, flags = 0; in smb2_async_writev()
4891 struct cifs_tcon *tcon = tlink_tcon(wdata->req->cfile->tlink); in smb2_async_writev() local
4892 struct TCP_Server_Info *server = wdata->server; in smb2_async_writev()
4895 unsigned int total_len, xid = wdata->xid; in smb2_async_writev()
4905 .tcon = tcon, in smb2_async_writev()
4907 .offset = wdata->subreq.start, in smb2_async_writev()
4908 .length = wdata->subreq.len, in smb2_async_writev()
4909 .persistent_fid = wdata->req->cfile->fid.persistent_fid, in smb2_async_writev()
4910 .volatile_fid = wdata->req->cfile->fid.volatile_fid, in smb2_async_writev()
4911 .pid = wdata->req->pid, in smb2_async_writev()
4915 rc = smb2_plain_req_init(SMB2_WRITE, tcon, server, in smb2_async_writev()
4921 rqst.rq_iter = wdata->subreq.io_iter; in smb2_async_writev()
4923 rqst.rq_iov[0].iov_len = total_len - 1; in smb2_async_writev()
4927 if (smb3_encryption_required(tcon)) in smb2_async_writev()
4931 shdr->Id.SyncId.ProcessId = cpu_to_le32(io_parms->pid); in smb2_async_writev()
4933 req->PersistentFileId = io_parms->persistent_fid; in smb2_async_writev()
4934 req->VolatileFileId = io_parms->volatile_fid; in smb2_async_writev()
4935 req->WriteChannelInfoOffset = 0; in smb2_async_writev()
4936 req->WriteChannelInfoLength = 0; in smb2_async_writev()
4937 req->Channel = SMB2_CHANNEL_NONE; in smb2_async_writev()
4938 req->Length = cpu_to_le32(io_parms->length); in smb2_async_writev()
4939 req->Offset = cpu_to_le64(io_parms->offset); in smb2_async_writev()
4940 req->DataOffset = cpu_to_le16( in smb2_async_writev()
4942 req->RemainingBytes = 0; in smb2_async_writev()
4944 trace_smb3_write_enter(wdata->rreq->debug_id, in smb2_async_writev()
4945 wdata->subreq.debug_index, in smb2_async_writev()
4946 wdata->xid, in smb2_async_writev()
4947 io_parms->persistent_fid, in smb2_async_writev()
4948 io_parms->tcon->tid, in smb2_async_writev()
4949 io_parms->tcon->ses->Suid, in smb2_async_writev()
4950 io_parms->offset, in smb2_async_writev()
4951 io_parms->length); in smb2_async_writev()
4960 bool need_invalidate = server->dialect == SMB30_PROT_ID; in smb2_async_writev()
4962 wdata->mr = smbd_register_mr(server->smbd_conn, &wdata->subreq.io_iter, in smb2_async_writev()
4964 if (!wdata->mr) { in smb2_async_writev()
4965 rc = -EAGAIN; in smb2_async_writev()
4969 req->RemainingBytes = req->Length; in smb2_async_writev()
4970 req->Length = 0; in smb2_async_writev()
4971 req->DataOffset = 0; in smb2_async_writev()
4972 req->Channel = SMB2_CHANNEL_RDMA_V1_INVALIDATE; in smb2_async_writev()
4974 req->Channel = SMB2_CHANNEL_RDMA_V1; in smb2_async_writev()
4975 req->WriteChannelInfoOffset = in smb2_async_writev()
4977 req->WriteChannelInfoLength = in smb2_async_writev()
4979 v1 = (struct smbd_buffer_descriptor_v1 *) &req->Buffer[0]; in smb2_async_writev()
4980 v1->offset = cpu_to_le64(wdata->mr->mr->iova); in smb2_async_writev()
4981 v1->token = cpu_to_le32(wdata->mr->mr->rkey); in smb2_async_writev()
4982 v1->length = cpu_to_le32(wdata->mr->mr->length); in smb2_async_writev()
4987 * We keep wdata->subreq.io_iter, in smb2_async_writev()
4994 if (wdata->subreq.retry_count > 0) in smb2_async_writev()
4998 io_parms->offset, io_parms->length, iov_iter_count(&wdata->subreq.io_iter)); in smb2_async_writev()
5000 if (wdata->credits.value > 0) { in smb2_async_writev()
5001 shdr->CreditCharge = cpu_to_le16(DIV_ROUND_UP(wdata->subreq.len, in smb2_async_writev()
5003 credit_request = le16_to_cpu(shdr->CreditCharge) + 8; in smb2_async_writev()
5004 if (server->credits >= server->max_credits) in smb2_async_writev()
5005 shdr->CreditRequest = cpu_to_le16(0); in smb2_async_writev()
5007 shdr->CreditRequest = cpu_to_le16( in smb2_async_writev()
5008 min_t(int, server->max_credits - in smb2_async_writev()
5009 server->credits, credit_request)); in smb2_async_writev()
5019 if (((flags & CIFS_TRANSFORM_REQ) != CIFS_TRANSFORM_REQ) && should_compress(tcon, &rqst)) in smb2_async_writev()
5023 wdata, flags, &wdata->credits); in smb2_async_writev()
5026 trace_smb3_write_err(wdata->rreq->debug_id, in smb2_async_writev()
5027 wdata->subreq.debug_index, in smb2_async_writev()
5029 io_parms->persistent_fid, in smb2_async_writev()
5030 io_parms->tcon->tid, in smb2_async_writev()
5031 io_parms->tcon->ses->Suid, in smb2_async_writev()
5032 io_parms->offset, in smb2_async_writev()
5033 io_parms->length, in smb2_async_writev()
5035 cifs_stats_fail_inc(tcon, SMB2_WRITE_HE); in smb2_async_writev()
5042 trace_smb3_rw_credits(wdata->rreq->debug_id, in smb2_async_writev()
5043 wdata->subreq.debug_index, in smb2_async_writev()
5044 wdata->credits.value, in smb2_async_writev()
5045 server->credits, server->in_flight, in smb2_async_writev()
5046 -(int)wdata->credits.value, in smb2_async_writev()
5048 add_credits_and_wake_if(wdata->server, &wdata->credits, 0); in smb2_async_writev()
5078 if (!io_parms->server) in SMB2_write()
5079 io_parms->server = cifs_pick_channel(io_parms->tcon->ses); in SMB2_write()
5080 server = io_parms->server; in SMB2_write()
5082 return -ECONNABORTED; in SMB2_write()
5087 rc = smb2_plain_req_init(SMB2_WRITE, io_parms->tcon, server, in SMB2_write()
5092 if (smb3_encryption_required(io_parms->tcon)) in SMB2_write()
5095 req->hdr.Id.SyncId.ProcessId = cpu_to_le32(io_parms->pid); in SMB2_write()
5097 req->PersistentFileId = io_parms->persistent_fid; in SMB2_write()
5098 req->VolatileFileId = io_parms->volatile_fid; in SMB2_write()
5099 req->WriteChannelInfoOffset = 0; in SMB2_write()
5100 req->WriteChannelInfoLength = 0; in SMB2_write()
5101 req->Channel = 0; in SMB2_write()
5102 req->Length = cpu_to_le32(io_parms->length); in SMB2_write()
5103 req->Offset = cpu_to_le64(io_parms->offset); in SMB2_write()
5104 req->DataOffset = cpu_to_le16( in SMB2_write()
5106 req->RemainingBytes = 0; in SMB2_write()
5108 trace_smb3_write_enter(0, 0, xid, io_parms->persistent_fid, in SMB2_write()
5109 io_parms->tcon->tid, io_parms->tcon->ses->Suid, in SMB2_write()
5110 io_parms->offset, io_parms->length); in SMB2_write()
5114 iov[0].iov_len = total_len - 1; in SMB2_write()
5123 rc = cifs_send_recv(xid, io_parms->tcon->ses, server, in SMB2_write()
5130 req->PersistentFileId, in SMB2_write()
5131 io_parms->tcon->tid, in SMB2_write()
5132 io_parms->tcon->ses->Suid, in SMB2_write()
5133 io_parms->offset, io_parms->length, rc); in SMB2_write()
5134 cifs_stats_fail_inc(io_parms->tcon, SMB2_WRITE_HE); in SMB2_write()
5137 *nbytes = le32_to_cpu(rsp->DataLength); in SMB2_write()
5138 cifs_stats_bytes_written(io_parms->tcon, *nbytes); in SMB2_write()
5140 req->PersistentFileId, in SMB2_write()
5141 io_parms->tcon->tid, in SMB2_write()
5142 io_parms->tcon->ses->Suid, in SMB2_write()
5143 io_parms->offset, *nbytes); in SMB2_write()
5150 smb2_should_replay(io_parms->tcon, &retries, &cur_sleep)) in SMB2_write()
5162 return -1; in posix_info_sid_size()
5166 return -1; in posix_info_sid_size()
5170 return -1; in posix_info_sid_size()
5190 end = beg + le32_to_cpu(p->NextEntryOffset); in posix_info_parse()
5198 return -1; in posix_info_parse()
5205 return -1; in posix_info_parse()
5212 return -1; in posix_info_parse()
5217 return -1; in posix_info_parse()
5220 return -1; in posix_info_parse()
5226 return -1; in posix_info_parse()
5230 out->base = beg; in posix_info_parse()
5231 out->size = total_len; in posix_info_parse()
5232 out->name_len = name_len; in posix_info_parse()
5233 out->name = name; in posix_info_parse()
5234 memcpy(&out->owner, owner_sid, owner_len); in posix_info_parse()
5235 memcpy(&out->group, group_sid, group_len); in posix_info_parse()
5245 return -1; in posix_info_extra_size()
5246 return len - sizeof(struct smb2_posix_info); in posix_info_extra_size()
5278 len = le32_to_cpu(dir_info->FileNameLength); in num_entries()
5292 next_offset = le32_to_cpu(dir_info->NextEntryOffset); in num_entries()
5304 struct cifs_tcon *tcon, in SMB2_query_directory_init() argument
5313 unsigned int output_size = CIFSMaxBufSize - in SMB2_query_directory_init()
5314 MAX_SMB2_CREATE_RESPONSE_SIZE - in SMB2_query_directory_init()
5317 struct kvec *iov = rqst->rq_iov; in SMB2_query_directory_init()
5320 rc = smb2_plain_req_init(SMB2_QUERY_DIRECTORY, tcon, server, in SMB2_query_directory_init()
5327 req->FileInformationClass = FILE_DIRECTORY_INFORMATION; in SMB2_query_directory_init()
5330 req->FileInformationClass = FILEID_FULL_DIRECTORY_INFORMATION; in SMB2_query_directory_init()
5333 req->FileInformationClass = SMB_FIND_FILE_POSIX_INFO; in SMB2_query_directory_init()
5336 req->FileInformationClass = FILE_FULL_DIRECTORY_INFORMATION; in SMB2_query_directory_init()
5341 return -EINVAL; in SMB2_query_directory_init()
5344 req->FileIndex = cpu_to_le32(index); in SMB2_query_directory_init()
5345 req->PersistentFileId = persistent_fid; in SMB2_query_directory_init()
5346 req->VolatileFileId = volatile_fid; in SMB2_query_directory_init()
5349 bufptr = req->Buffer; in SMB2_query_directory_init()
5352 req->FileNameOffset = in SMB2_query_directory_init()
5354 req->FileNameLength = cpu_to_le16(len); in SMB2_query_directory_init()
5359 output_size = min_t(unsigned int, output_size, server->maxBuf); in SMB2_query_directory_init()
5361 req->OutputBufferLength = cpu_to_le32(output_size); in SMB2_query_directory_init()
5365 iov[0].iov_len = total_len - 1; in SMB2_query_directory_init()
5367 iov[1].iov_base = (char *)(req->Buffer); in SMB2_query_directory_init()
5370 trace_smb3_query_dir_enter(xid, persistent_fid, tcon->tid, in SMB2_query_directory_init()
5371 tcon->ses->Suid, index, output_size); in SMB2_query_directory_init()
5378 if (rqst && rqst->rq_iov) { in SMB2_query_directory_free()
5379 cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_query_directory_free()
5384 smb2_parse_query_directory(struct cifs_tcon *tcon, in smb2_parse_query_directory() argument
5394 rsp = (struct smb2_query_directory_rsp *)rsp_iov->iov_base; in smb2_parse_query_directory()
5396 switch (srch_inf->info_level) { in smb2_parse_query_directory()
5412 srch_inf->info_level); in smb2_parse_query_directory()
5413 return -EINVAL; in smb2_parse_query_directory()
5416 rc = smb2_validate_iov(le16_to_cpu(rsp->OutputBufferOffset), in smb2_parse_query_directory()
5417 le32_to_cpu(rsp->OutputBufferLength), rsp_iov, in smb2_parse_query_directory()
5424 srch_inf->unicode = true; in smb2_parse_query_directory()
5426 if (srch_inf->ntwrk_buf_start) { in smb2_parse_query_directory()
5427 if (srch_inf->smallBuf) in smb2_parse_query_directory()
5428 cifs_small_buf_release(srch_inf->ntwrk_buf_start); in smb2_parse_query_directory()
5430 cifs_buf_release(srch_inf->ntwrk_buf_start); in smb2_parse_query_directory()
5432 srch_inf->ntwrk_buf_start = (char *)rsp; in smb2_parse_query_directory()
5433 srch_inf->srch_entries_start = srch_inf->last_entry = in smb2_parse_query_directory()
5434 (char *)rsp + le16_to_cpu(rsp->OutputBufferOffset); in smb2_parse_query_directory()
5435 end_of_smb = rsp_iov->iov_len + (char *)rsp; in smb2_parse_query_directory()
5437 srch_inf->entries_in_buffer = num_entries( in smb2_parse_query_directory()
5438 srch_inf->info_level, in smb2_parse_query_directory()
5439 srch_inf->srch_entries_start, in smb2_parse_query_directory()
5441 &srch_inf->last_entry, in smb2_parse_query_directory()
5444 srch_inf->index_of_last_entry += srch_inf->entries_in_buffer; in smb2_parse_query_directory()
5446 srch_inf->entries_in_buffer, srch_inf->index_of_last_entry, in smb2_parse_query_directory()
5447 srch_inf->srch_entries_start, srch_inf->last_entry); in smb2_parse_query_directory()
5449 srch_inf->smallBuf = false; in smb2_parse_query_directory()
5451 srch_inf->smallBuf = true; in smb2_parse_query_directory()
5459 SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_query_directory() argument
5469 struct cifs_ses *ses = tcon->ses; in SMB2_query_directory()
5479 if (!ses || !(ses->server)) in SMB2_query_directory()
5480 return -EIO; in SMB2_query_directory()
5482 if (smb3_encryption_required(tcon)) in SMB2_query_directory()
5490 rc = SMB2_query_directory_init(xid, tcon, server, in SMB2_query_directory()
5493 srch_inf->info_level); in SMB2_query_directory()
5505 if (rc == -ENODATA && in SMB2_query_directory()
5506 rsp->hdr.Status == STATUS_NO_MORE_FILES) { in SMB2_query_directory()
5508 tcon->tid, tcon->ses->Suid, index, 0); in SMB2_query_directory()
5509 srch_inf->endOfSearch = true; in SMB2_query_directory()
5512 trace_smb3_query_dir_err(xid, persistent_fid, tcon->tid, in SMB2_query_directory()
5513 tcon->ses->Suid, index, 0, rc); in SMB2_query_directory()
5514 cifs_stats_fail_inc(tcon, SMB2_QUERY_DIRECTORY_HE); in SMB2_query_directory()
5519 rc = smb2_parse_query_directory(tcon, &rsp_iov, resp_buftype, in SMB2_query_directory()
5522 trace_smb3_query_dir_err(xid, persistent_fid, tcon->tid, in SMB2_query_directory()
5523 tcon->ses->Suid, index, 0, rc); in SMB2_query_directory()
5528 trace_smb3_query_dir_done(xid, persistent_fid, tcon->tid, in SMB2_query_directory()
5529 tcon->ses->Suid, index, srch_inf->entries_in_buffer); in SMB2_query_directory()
5536 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_query_directory()
5543 SMB2_set_info_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_set_info_init() argument
5550 struct kvec *iov = rqst->rq_iov; in SMB2_set_info_init()
5554 rc = smb2_plain_req_init(SMB2_SET_INFO, tcon, server, in SMB2_set_info_init()
5559 req->hdr.Id.SyncId.ProcessId = cpu_to_le32(pid); in SMB2_set_info_init()
5560 req->InfoType = info_type; in SMB2_set_info_init()
5561 req->FileInfoClass = info_class; in SMB2_set_info_init()
5562 req->PersistentFileId = persistent_fid; in SMB2_set_info_init()
5563 req->VolatileFileId = volatile_fid; in SMB2_set_info_init()
5564 req->AdditionalInformation = cpu_to_le32(additional_info); in SMB2_set_info_init()
5566 req->BufferOffset = cpu_to_le16(sizeof(struct smb2_set_info_req)); in SMB2_set_info_init()
5567 req->BufferLength = cpu_to_le32(*size); in SMB2_set_info_init()
5569 memcpy(req->Buffer, *data, *size); in SMB2_set_info_init()
5574 iov[0].iov_len = total_len - 1; in SMB2_set_info_init()
5576 for (i = 1; i < rqst->rq_nvec; i++) { in SMB2_set_info_init()
5577 le32_add_cpu(&req->BufferLength, size[i]); in SMB2_set_info_init()
5588 if (rqst && rqst->rq_iov) in SMB2_set_info_free()
5589 cifs_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_set_info_free()
5593 send_set_info(const unsigned int xid, struct cifs_tcon *tcon, in send_set_info() argument
5604 struct cifs_ses *ses = tcon->ses; in send_set_info()
5615 return -EIO; in send_set_info()
5618 return -EINVAL; in send_set_info()
5620 if (smb3_encryption_required(tcon)) in send_set_info()
5625 return -ENOMEM; in send_set_info()
5631 rc = SMB2_set_info_init(tcon, server, in send_set_info()
5650 cifs_stats_fail_inc(tcon, SMB2_SET_INFO_HE); in send_set_info()
5651 trace_smb3_set_info_err(xid, persistent_fid, tcon->tid, in send_set_info()
5652 ses->Suid, info_class, (__u32)info_type, rc); in send_set_info()
5659 smb2_should_replay(tcon, &retries, &cur_sleep)) in send_set_info()
5666 SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, in SMB2_set_eof() argument
5678 trace_smb3_set_eof(xid, persistent_fid, tcon->tid, tcon->ses->Suid, new_eof); in SMB2_set_eof()
5680 return send_set_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_set_eof()
5686 SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_set_acl() argument
5690 return send_set_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_set_acl()
5691 current->tgid, 0, SMB2_O_INFO_SECURITY, aclflag, in SMB2_set_acl()
5696 SMB2_set_ea(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_set_ea() argument
5700 return send_set_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_set_ea()
5701 current->tgid, FILE_FULL_EA_INFORMATION, SMB2_O_INFO_FILE, in SMB2_set_ea()
5706 SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_oplock_break() argument
5713 struct cifs_ses *ses = tcon->ses; in SMB2_oplock_break()
5728 rc = smb2_plain_req_init(SMB2_OPLOCK_BREAK, tcon, server, in SMB2_oplock_break()
5733 if (smb3_encryption_required(tcon)) in SMB2_oplock_break()
5736 req->VolatileFid = volatile_fid; in SMB2_oplock_break()
5737 req->PersistentFid = persistent_fid; in SMB2_oplock_break()
5738 req->OplockLevel = oplock_level; in SMB2_oplock_break()
5739 req->hdr.CreditRequest = cpu_to_le16(1); in SMB2_oplock_break()
5757 cifs_stats_fail_inc(tcon, SMB2_OPLOCK_BREAK_HE); in SMB2_oplock_break()
5762 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_oplock_break()
5772 kst->f_bsize = le32_to_cpu(pfs_inf->BytesPerSector) * in smb2_copy_fs_info_to_kstatfs()
5773 le32_to_cpu(pfs_inf->SectorsPerAllocationUnit); in smb2_copy_fs_info_to_kstatfs()
5774 kst->f_blocks = le64_to_cpu(pfs_inf->TotalAllocationUnits); in smb2_copy_fs_info_to_kstatfs()
5775 kst->f_bfree = kst->f_bavail = in smb2_copy_fs_info_to_kstatfs()
5776 le64_to_cpu(pfs_inf->CallerAvailableAllocationUnits); in smb2_copy_fs_info_to_kstatfs()
5784 kst->f_bsize = le32_to_cpu(response_data->BlockSize); in copy_posix_fs_info_to_kstatfs()
5785 kst->f_blocks = le64_to_cpu(response_data->TotalBlocks); in copy_posix_fs_info_to_kstatfs()
5786 kst->f_bfree = le64_to_cpu(response_data->BlocksAvail); in copy_posix_fs_info_to_kstatfs()
5787 if (response_data->UserBlocksAvail == cpu_to_le64(-1)) in copy_posix_fs_info_to_kstatfs()
5788 kst->f_bavail = kst->f_bfree; in copy_posix_fs_info_to_kstatfs()
5790 kst->f_bavail = le64_to_cpu(response_data->UserBlocksAvail); in copy_posix_fs_info_to_kstatfs()
5791 if (response_data->TotalFileNodes != cpu_to_le64(-1)) in copy_posix_fs_info_to_kstatfs()
5792 kst->f_files = le64_to_cpu(response_data->TotalFileNodes); in copy_posix_fs_info_to_kstatfs()
5793 if (response_data->FreeFileNodes != cpu_to_le64(-1)) in copy_posix_fs_info_to_kstatfs()
5794 kst->f_ffree = le64_to_cpu(response_data->FreeFileNodes); in copy_posix_fs_info_to_kstatfs()
5800 build_qfs_info_req(struct kvec *iov, struct cifs_tcon *tcon, in build_qfs_info_req() argument
5811 if ((tcon->ses == NULL) || server == NULL) in build_qfs_info_req()
5812 return -EIO; in build_qfs_info_req()
5814 rc = smb2_plain_req_init(SMB2_QUERY_INFO, tcon, server, in build_qfs_info_req()
5819 req->InfoType = SMB2_O_INFO_FILESYSTEM; in build_qfs_info_req()
5820 req->FileInfoClass = level; in build_qfs_info_req()
5821 req->PersistentFileId = persistent_fid; in build_qfs_info_req()
5822 req->VolatileFileId = volatile_fid; in build_qfs_info_req()
5824 req->InputBufferOffset = in build_qfs_info_req()
5826 req->OutputBufferLength = cpu_to_le32( in build_qfs_info_req()
5829 iov->iov_base = (char *)req; in build_qfs_info_req()
5830 iov->iov_len = total_len; in build_qfs_info_req()
5836 cifs_buf_release(iov->iov_base); in free_qfs_info_req()
5840 SMB311_posix_qfs_info(const unsigned int xid, struct cifs_tcon *tcon, in SMB311_posix_qfs_info() argument
5849 struct cifs_ses *ses = tcon->ses; in SMB311_posix_qfs_info()
5860 rc = build_qfs_info_req(&iov, tcon, server, in SMB311_posix_qfs_info()
5867 if (smb3_encryption_required(tcon)) in SMB311_posix_qfs_info()
5881 cifs_stats_fail_inc(tcon, SMB2_QUERY_INFO_HE); in SMB311_posix_qfs_info()
5887 le16_to_cpu(rsp->OutputBufferOffset) + (char *)rsp); in SMB311_posix_qfs_info()
5888 rc = smb2_validate_iov(le16_to_cpu(rsp->OutputBufferOffset), in SMB311_posix_qfs_info()
5889 le32_to_cpu(rsp->OutputBufferLength), &rsp_iov, in SMB311_posix_qfs_info()
5898 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB311_posix_qfs_info()
5905 SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_QFS_info() argument
5914 struct cifs_ses *ses = tcon->ses; in SMB2_QFS_info()
5925 rc = build_qfs_info_req(&iov, tcon, server, in SMB2_QFS_info()
5932 if (smb3_encryption_required(tcon)) in SMB2_QFS_info()
5946 cifs_stats_fail_inc(tcon, SMB2_QUERY_INFO_HE); in SMB2_QFS_info()
5952 le16_to_cpu(rsp->OutputBufferOffset) + (char *)rsp); in SMB2_QFS_info()
5953 rc = smb2_validate_iov(le16_to_cpu(rsp->OutputBufferOffset), in SMB2_QFS_info()
5954 le32_to_cpu(rsp->OutputBufferLength), &rsp_iov, in SMB2_QFS_info()
5963 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_QFS_info()
5970 SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_QFS_attr() argument
5979 struct cifs_ses *ses = tcon->ses; in SMB2_QFS_attr()
6004 return -EINVAL; in SMB2_QFS_attr()
6007 rc = build_qfs_info_req(&iov, tcon, server, in SMB2_QFS_attr()
6013 if (smb3_encryption_required(tcon)) in SMB2_QFS_attr()
6027 cifs_stats_fail_inc(tcon, SMB2_QUERY_INFO_HE); in SMB2_QFS_attr()
6032 rsp_len = le32_to_cpu(rsp->OutputBufferLength); in SMB2_QFS_attr()
6033 offset = le16_to_cpu(rsp->OutputBufferOffset); in SMB2_QFS_attr()
6039 memcpy(&tcon->fsAttrInfo, offset in SMB2_QFS_attr()
6043 memcpy(&tcon->fsDevInfo, offset in SMB2_QFS_attr()
6048 tcon->ss_flags = le32_to_cpu(ss_info->Flags); in SMB2_QFS_attr()
6049 tcon->perf_sector_size = in SMB2_QFS_attr()
6050 le32_to_cpu(ss_info->PhysicalBytesPerSectorForPerf); in SMB2_QFS_attr()
6054 tcon->vol_serial_number = vol_info->VolumeSerialNumber; in SMB2_QFS_attr()
6055 tcon->vol_create_time = vol_info->VolumeCreationTime; in SMB2_QFS_attr()
6062 smb2_should_replay(tcon, &retries, &cur_sleep)) in SMB2_QFS_attr()
6069 smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon, in smb2_lockv() argument
6088 server = cifs_pick_channel(tcon->ses); in smb2_lockv()
6092 rc = smb2_plain_req_init(SMB2_LOCK, tcon, server, in smb2_lockv()
6097 if (smb3_encryption_required(tcon)) in smb2_lockv()
6100 req->hdr.Id.SyncId.ProcessId = cpu_to_le32(pid); in smb2_lockv()
6101 req->LockCount = cpu_to_le16(num_lock); in smb2_lockv()
6103 req->PersistentFileId = persist_fid; in smb2_lockv()
6104 req->VolatileFileId = volatile_fid; in smb2_lockv()
6109 iov[0].iov_len = total_len - sizeof(struct smb2_lock_element); in smb2_lockv()
6113 cifs_stats_inc(&tcon->stats.cifs_stats.num_locks); in smb2_lockv()
6122 rc = cifs_send_recv(xid, tcon->ses, server, in smb2_lockv()
6128 cifs_stats_fail_inc(tcon, SMB2_LOCK_HE); in smb2_lockv()
6129 trace_smb3_lock_err(xid, persist_fid, tcon->tid, in smb2_lockv()
6130 tcon->ses->Suid, rc); in smb2_lockv()
6134 smb2_should_replay(tcon, &retries, &cur_sleep)) in smb2_lockv()
6141 SMB2_lock(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_lock() argument
6154 return smb2_lockv(xid, tcon, persist_fid, volatile_fid, pid, 1, &lock); in SMB2_lock()
6158 SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_lease_break() argument
6164 struct cifs_ses *ses = tcon->ses; in SMB2_lease_break()
6172 struct TCP_Server_Info *server = cifs_pick_channel(tcon->ses); in SMB2_lease_break()
6175 rc = smb2_plain_req_init(SMB2_OPLOCK_BREAK, tcon, server, in SMB2_lease_break()
6180 if (smb3_encryption_required(tcon)) in SMB2_lease_break()
6183 req->hdr.CreditRequest = cpu_to_le16(1); in SMB2_lease_break()
6184 req->StructureSize = cpu_to_le16(36); in SMB2_lease_break()
6187 memcpy(req->LeaseKey, lease_key, SMB2_LEASE_KEY_SIZE); in SMB2_lease_break()
6188 req->LeaseState = lease_state; in SMB2_lease_break()
6206 cifs_stats_fail_inc(tcon, SMB2_OPLOCK_BREAK_HE); in SMB2_lease_break()
6207 trace_smb3_lease_err(le32_to_cpu(lease_state), tcon->tid, in SMB2_lease_break()
6208 ses->Suid, *please_key_low, *please_key_high, rc); in SMB2_lease_break()
6211 trace_smb3_lease_done(le32_to_cpu(lease_state), tcon->tid, in SMB2_lease_break()
6212 ses->Suid, *please_key_low, *please_key_high); in SMB2_lease_break()