Lines Matching +full:tcon +full:- +full:channel
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 /* SMB2 PDU handling routines here - except for leftovers (eg session setup) */
86 int smb3_encryption_required(const struct cifs_tcon *tcon) in smb3_encryption_required() argument
88 if (!tcon || !tcon->ses) in smb3_encryption_required()
90 if ((tcon->ses->session_flags & SMB2_SESSION_FLAG_ENCRYPT_DATA) || in smb3_encryption_required()
91 (tcon->share_flags & SHI1005_FLAGS_ENCRYPT_DATA)) in smb3_encryption_required()
93 if (tcon->seal && in smb3_encryption_required()
94 (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION)) in smb3_encryption_required()
101 const struct cifs_tcon *tcon, in smb2_hdr_assemble() argument
104 shdr->ProtocolId = SMB2_PROTO_NUMBER; in smb2_hdr_assemble()
105 shdr->StructureSize = cpu_to_le16(64); in smb2_hdr_assemble()
106 shdr->Command = smb2_cmd; in smb2_hdr_assemble()
108 spin_lock(&server->req_lock); in smb2_hdr_assemble()
110 if (server->credits >= server->max_credits) in smb2_hdr_assemble()
111 shdr->CreditRequest = cpu_to_le16(0); in smb2_hdr_assemble()
113 shdr->CreditRequest = cpu_to_le16( in smb2_hdr_assemble()
114 min_t(int, server->max_credits - in smb2_hdr_assemble()
115 server->credits, 10)); in smb2_hdr_assemble()
116 spin_unlock(&server->req_lock); in smb2_hdr_assemble()
118 shdr->CreditRequest = cpu_to_le16(2); in smb2_hdr_assemble()
120 shdr->ProcessId = cpu_to_le32((__u16)current->tgid); in smb2_hdr_assemble()
122 if (!tcon) in smb2_hdr_assemble()
126 /* See sections 2.2.4 and 3.2.4.1.5 of MS-SMB2 */ in smb2_hdr_assemble()
127 if (server && (server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU)) in smb2_hdr_assemble()
128 shdr->CreditCharge = cpu_to_le16(1); in smb2_hdr_assemble()
131 shdr->TreeId = tcon->tid; in smb2_hdr_assemble()
133 if (tcon->ses) in smb2_hdr_assemble()
134 shdr->SessionId = tcon->ses->Suid; in smb2_hdr_assemble()
146 /* if (tcon->share_flags & SHI1005_FLAGS_DFS) in smb2_hdr_assemble()
147 shdr->Flags |= SMB2_FLAGS_DFS_OPERATIONS; */ in smb2_hdr_assemble()
149 if (server && server->sign && !smb3_encryption_required(tcon)) in smb2_hdr_assemble()
150 shdr->Flags |= SMB2_FLAGS_SIGNED; in smb2_hdr_assemble()
156 smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon, in smb2_reconnect() argument
165 * SMB2s NegProt, SessSetup, Logoff do not have tcon yet so in smb2_reconnect()
167 * for those three - in the calling routine. in smb2_reconnect()
169 if (tcon == NULL) in smb2_reconnect()
175 if (tcon->tidStatus == CifsExiting) { in smb2_reconnect()
178 * (and ulogoff which does not have tcon) in smb2_reconnect()
186 return -ENODEV; in smb2_reconnect()
189 if ((!tcon->ses) || (tcon->ses->status == CifsExiting) || in smb2_reconnect()
190 (!tcon->ses->server) || !server) in smb2_reconnect()
191 return -EIO; in smb2_reconnect()
193 ses = tcon->ses; in smb2_reconnect()
194 retries = server->nr_targets; in smb2_reconnect()
198 * reconnect -- should be greater than cifs socket timeout which is 7 in smb2_reconnect()
201 while (server->tcpStatus == CifsNeedReconnect) { in smb2_reconnect()
214 return -EAGAIN; in smb2_reconnect()
217 rc = wait_event_interruptible_timeout(server->response_q, in smb2_reconnect()
218 (server->tcpStatus != CifsNeedReconnect), in smb2_reconnect()
223 return -ERESTARTSYS; in smb2_reconnect()
227 if (server->tcpStatus != CifsNeedReconnect) in smb2_reconnect()
230 if (retries && --retries) in smb2_reconnect()
236 * back on-line in smb2_reconnect()
238 if (!tcon->retry) { in smb2_reconnect()
240 return -EHOSTDOWN; in smb2_reconnect()
242 retries = server->nr_targets; in smb2_reconnect()
245 if (!tcon->ses->need_reconnect && !tcon->need_reconnect) in smb2_reconnect()
254 mutex_lock(&tcon->ses->session_mutex); in smb2_reconnect()
261 if (server->tcpStatus == CifsNeedReconnect) { in smb2_reconnect()
262 rc = -EHOSTDOWN; in smb2_reconnect()
263 mutex_unlock(&tcon->ses->session_mutex); in smb2_reconnect()
268 * If we are reconnecting an extra channel, bind in smb2_reconnect()
270 if (server->is_channel) { in smb2_reconnect()
271 ses->binding = true; in smb2_reconnect()
272 ses->binding_chan = cifs_ses_find_chan(ses, server); in smb2_reconnect()
275 rc = cifs_negotiate_protocol(0, tcon->ses); in smb2_reconnect()
276 if (!rc && tcon->ses->need_reconnect) { in smb2_reconnect()
277 rc = cifs_setup_session(0, tcon->ses, nls_codepage); in smb2_reconnect()
278 if ((rc == -EACCES) && !tcon->retry) { in smb2_reconnect()
279 rc = -EHOSTDOWN; in smb2_reconnect()
280 ses->binding = false; in smb2_reconnect()
281 ses->binding_chan = NULL; in smb2_reconnect()
282 mutex_unlock(&tcon->ses->session_mutex); in smb2_reconnect()
285 mutex_unlock(&ses->session_mutex); in smb2_reconnect()
290 * End of channel binding in smb2_reconnect()
292 ses->binding = false; in smb2_reconnect()
293 ses->binding_chan = NULL; in smb2_reconnect()
295 if (rc || !tcon->need_reconnect) { in smb2_reconnect()
296 mutex_unlock(&tcon->ses->session_mutex); in smb2_reconnect()
300 cifs_mark_open_files_invalid(tcon); in smb2_reconnect()
301 if (tcon->use_persistent) in smb2_reconnect()
302 tcon->need_reopen_files = true; in smb2_reconnect()
304 rc = cifs_tree_connect(0, tcon, nls_codepage); in smb2_reconnect()
305 mutex_unlock(&tcon->ses->session_mutex); in smb2_reconnect()
307 cifs_dbg(FYI, "reconnect tcon rc = %d\n", rc); in smb2_reconnect()
309 /* If sess reconnected but tcon didn't, something strange ... */ in smb2_reconnect()
310 pr_warn_once("reconnect tcon failed rc = %d\n", rc); in smb2_reconnect()
315 mod_delayed_work(cifsiod_wq, &server->reconnect, 0); in smb2_reconnect()
337 rc = -EAGAIN; in smb2_reconnect()
345 fill_small_buf(__le16 smb2_command, struct cifs_tcon *tcon, in fill_small_buf() argument
360 smb2_hdr_assemble(&spdu->sync_hdr, smb2_command, tcon, server); in fill_small_buf()
361 spdu->StructureSize2 = cpu_to_le16(parmsize); in fill_small_buf()
371 static int __smb2_plain_req_init(__le16 smb2_command, struct cifs_tcon *tcon, in __smb2_plain_req_init() argument
387 return -ENOMEM; in __smb2_plain_req_init()
390 fill_small_buf(smb2_command, tcon, server, in __smb2_plain_req_init()
394 if (tcon != NULL) { in __smb2_plain_req_init()
396 cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_sent[com_code]); in __smb2_plain_req_init()
397 cifs_stats_inc(&tcon->num_smbs_sent); in __smb2_plain_req_init()
403 static int smb2_plain_req_init(__le16 smb2_command, struct cifs_tcon *tcon, in smb2_plain_req_init() argument
409 rc = smb2_reconnect(smb2_command, tcon, server); in smb2_plain_req_init()
413 return __smb2_plain_req_init(smb2_command, tcon, server, request_buf, in smb2_plain_req_init()
417 static int smb2_ioctl_req_init(u32 opcode, struct cifs_tcon *tcon, in smb2_ioctl_req_init() argument
423 return __smb2_plain_req_init(SMB2_IOCTL, tcon, server, in smb2_ioctl_req_init()
426 return smb2_plain_req_init(SMB2_IOCTL, tcon, server, in smb2_ioctl_req_init()
430 /* For explanation of negotiate contexts see MS-SMB2 section 2.2.3.1 */
435 pneg_ctxt->ContextType = SMB2_PREAUTH_INTEGRITY_CAPABILITIES; in build_preauth_ctxt()
436 pneg_ctxt->DataLength = cpu_to_le16(38); in build_preauth_ctxt()
437 pneg_ctxt->HashAlgorithmCount = cpu_to_le16(1); in build_preauth_ctxt()
438 pneg_ctxt->SaltLength = cpu_to_le16(SMB311_LINUX_CLIENT_SALT_SIZE); in build_preauth_ctxt()
439 get_random_bytes(pneg_ctxt->Salt, SMB311_LINUX_CLIENT_SALT_SIZE); in build_preauth_ctxt()
440 pneg_ctxt->HashAlgorithms = SMB2_PREAUTH_INTEGRITY_SHA512; in build_preauth_ctxt()
446 pneg_ctxt->ContextType = SMB2_COMPRESSION_CAPABILITIES; in build_compression_ctxt()
447 pneg_ctxt->DataLength = in build_compression_ctxt()
449 - sizeof(struct smb2_neg_context)); in build_compression_ctxt()
450 pneg_ctxt->CompressionAlgorithmCount = cpu_to_le16(3); in build_compression_ctxt()
451 pneg_ctxt->CompressionAlgorithms[0] = SMB3_COMPRESS_LZ77; in build_compression_ctxt()
452 pneg_ctxt->CompressionAlgorithms[1] = SMB3_COMPRESS_LZ77_HUFF; in build_compression_ctxt()
453 pneg_ctxt->CompressionAlgorithms[2] = SMB3_COMPRESS_LZNT1; in build_compression_ctxt()
459 pneg_ctxt->ContextType = SMB2_ENCRYPTION_CAPABILITIES; in build_encrypt_ctxt()
461 pneg_ctxt->DataLength = cpu_to_le16(4); /* Cipher Count + 1 cipher */ in build_encrypt_ctxt()
462 pneg_ctxt->CipherCount = cpu_to_le16(1); in build_encrypt_ctxt()
463 pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES256_GCM; in build_encrypt_ctxt()
465 pneg_ctxt->DataLength = cpu_to_le16(8); /* Cipher Count + 3 ciphers */ in build_encrypt_ctxt()
466 pneg_ctxt->CipherCount = cpu_to_le16(3); in build_encrypt_ctxt()
467 pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES128_GCM; in build_encrypt_ctxt()
468 pneg_ctxt->Ciphers[1] = SMB2_ENCRYPTION_AES256_GCM; in build_encrypt_ctxt()
469 pneg_ctxt->Ciphers[2] = SMB2_ENCRYPTION_AES128_CCM; in build_encrypt_ctxt()
471 pneg_ctxt->DataLength = cpu_to_le16(6); /* Cipher Count + 2 ciphers */ in build_encrypt_ctxt()
472 pneg_ctxt->CipherCount = cpu_to_le16(2); in build_encrypt_ctxt()
473 pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES128_GCM; in build_encrypt_ctxt()
474 pneg_ctxt->Ciphers[1] = SMB2_ENCRYPTION_AES128_CCM; in build_encrypt_ctxt()
483 pneg_ctxt->ContextType = SMB2_NETNAME_NEGOTIATE_CONTEXT_ID; in build_netname_ctxt()
486 pneg_ctxt->DataLength = cpu_to_le16(2 * cifs_strtoUTF16(pneg_ctxt->NetName, hostname, 100, cp)); in build_netname_ctxt()
488 return DIV_ROUND_UP(le16_to_cpu(pneg_ctxt->DataLength) + in build_netname_ctxt()
495 pneg_ctxt->ContextType = SMB2_POSIX_EXTENSIONS_AVAILABLE; in build_posix_ctxt()
496 pneg_ctxt->DataLength = cpu_to_le16(POSIX_CTXT_DATA_LEN); in build_posix_ctxt()
498 pneg_ctxt->Name[0] = 0x93; in build_posix_ctxt()
499 pneg_ctxt->Name[1] = 0xAD; in build_posix_ctxt()
500 pneg_ctxt->Name[2] = 0x25; in build_posix_ctxt()
501 pneg_ctxt->Name[3] = 0x50; in build_posix_ctxt()
502 pneg_ctxt->Name[4] = 0x9C; in build_posix_ctxt()
503 pneg_ctxt->Name[5] = 0xB4; in build_posix_ctxt()
504 pneg_ctxt->Name[6] = 0x11; in build_posix_ctxt()
505 pneg_ctxt->Name[7] = 0xE7; in build_posix_ctxt()
506 pneg_ctxt->Name[8] = 0xB4; in build_posix_ctxt()
507 pneg_ctxt->Name[9] = 0x23; in build_posix_ctxt()
508 pneg_ctxt->Name[10] = 0x83; in build_posix_ctxt()
509 pneg_ctxt->Name[11] = 0xDE; in build_posix_ctxt()
510 pneg_ctxt->Name[12] = 0x96; in build_posix_ctxt()
511 pneg_ctxt->Name[13] = 0x8B; in build_posix_ctxt()
512 pneg_ctxt->Name[14] = 0xCD; in build_posix_ctxt()
513 pneg_ctxt->Name[15] = 0x7C; in build_posix_ctxt()
536 req->NegotiateContextOffset = cpu_to_le32(*total_len); in assemble_neg_contexts()
548 if (server->compress_algorithm) { in assemble_neg_contexts()
556 req->NegotiateContextCount = cpu_to_le16(5); in assemble_neg_contexts()
558 req->NegotiateContextCount = cpu_to_le16(4); in assemble_neg_contexts()
561 server->hostname); in assemble_neg_contexts()
571 unsigned int len = le16_to_cpu(ctxt->DataLength); in decode_preauth_context()
573 /* If invalid preauth context warn but use what we requested, SHA-512 */ in decode_preauth_context()
577 } else if (len < MIN_PREAUTH_CTXT_DATA_LEN + le16_to_cpu(ctxt->SaltLength)) { in decode_preauth_context()
581 if (le16_to_cpu(ctxt->HashAlgorithmCount) != 1) in decode_preauth_context()
583 if (ctxt->HashAlgorithms != SMB2_PREAUTH_INTEGRITY_SHA512) in decode_preauth_context()
590 unsigned int len = le16_to_cpu(ctxt->DataLength); in decode_compress_ctx()
597 if (le16_to_cpu(ctxt->CompressionAlgorithmCount) != 1) { in decode_compress_ctx()
601 if (le16_to_cpu(ctxt->CompressionAlgorithms[0]) > 3) { in decode_compress_ctx()
605 server->compress_algorithm = ctxt->CompressionAlgorithms[0]; in decode_compress_ctx()
611 unsigned int len = le16_to_cpu(ctxt->DataLength); in decode_encrypt_ctx()
616 return -EINVAL; in decode_encrypt_ctx()
619 if (le16_to_cpu(ctxt->CipherCount) != 1) { in decode_encrypt_ctx()
621 return -EINVAL; in decode_encrypt_ctx()
623 cifs_dbg(FYI, "SMB311 cipher type:%d\n", le16_to_cpu(ctxt->Ciphers[0])); in decode_encrypt_ctx()
625 if (ctxt->Ciphers[0] != SMB2_ENCRYPTION_AES256_GCM) { in decode_encrypt_ctx()
627 return -EOPNOTSUPP; in decode_encrypt_ctx()
629 } else if (ctxt->Ciphers[0] == 0) { in decode_encrypt_ctx()
639 server->cipher_type = 0; in decode_encrypt_ctx()
640 server->capabilities &= ~SMB2_GLOBAL_CAP_ENCRYPTION; in decode_encrypt_ctx()
643 } else if ((ctxt->Ciphers[0] != SMB2_ENCRYPTION_AES128_CCM) && in decode_encrypt_ctx()
644 (ctxt->Ciphers[0] != SMB2_ENCRYPTION_AES128_GCM) && in decode_encrypt_ctx()
645 (ctxt->Ciphers[0] != SMB2_ENCRYPTION_AES256_GCM)) { in decode_encrypt_ctx()
648 return -EINVAL; in decode_encrypt_ctx()
650 server->cipher_type = ctxt->Ciphers[0]; in decode_encrypt_ctx()
651 server->capabilities |= SMB2_GLOBAL_CAP_ENCRYPTION; in decode_encrypt_ctx()
660 unsigned int offset = le32_to_cpu(rsp->NegotiateContextOffset); in smb311_decode_neg_context()
661 unsigned int ctxt_cnt = le16_to_cpu(rsp->NegotiateContextCount); in smb311_decode_neg_context()
668 return -EINVAL; in smb311_decode_neg_context()
671 len_of_ctxts = len_of_smb - offset; in smb311_decode_neg_context()
683 clen = le16_to_cpu(pctx->DataLength); in smb311_decode_neg_context()
687 if (pctx->ContextType == SMB2_PREAUTH_INTEGRITY_CAPABILITIES) in smb311_decode_neg_context()
690 else if (pctx->ContextType == SMB2_ENCRYPTION_CAPABILITIES) in smb311_decode_neg_context()
693 else if (pctx->ContextType == SMB2_COMPRESSION_CAPABILITIES) in smb311_decode_neg_context()
696 else if (pctx->ContextType == SMB2_POSIX_EXTENSIONS_AVAILABLE) in smb311_decode_neg_context()
697 server->posix_ext_supported = true; in smb311_decode_neg_context()
700 le16_to_cpu(pctx->ContextType)); in smb311_decode_neg_context()
707 len_of_ctxts -= clen; in smb311_decode_neg_context()
722 buf->ccontext.DataOffset = in create_posix_buf()
724 buf->ccontext.DataLength = cpu_to_le32(4); in create_posix_buf()
725 buf->ccontext.NameOffset = in create_posix_buf()
727 buf->ccontext.NameLength = cpu_to_le16(16); in create_posix_buf()
730 buf->Name[0] = 0x93; in create_posix_buf()
731 buf->Name[1] = 0xAD; in create_posix_buf()
732 buf->Name[2] = 0x25; in create_posix_buf()
733 buf->Name[3] = 0x50; in create_posix_buf()
734 buf->Name[4] = 0x9C; in create_posix_buf()
735 buf->Name[5] = 0xB4; in create_posix_buf()
736 buf->Name[6] = 0x11; in create_posix_buf()
737 buf->Name[7] = 0xE7; in create_posix_buf()
738 buf->Name[8] = 0xB4; in create_posix_buf()
739 buf->Name[9] = 0x23; in create_posix_buf()
740 buf->Name[10] = 0x83; in create_posix_buf()
741 buf->Name[11] = 0xDE; in create_posix_buf()
742 buf->Name[12] = 0x96; in create_posix_buf()
743 buf->Name[13] = 0x8B; in create_posix_buf()
744 buf->Name[14] = 0xCD; in create_posix_buf()
745 buf->Name[15] = 0x7C; in create_posix_buf()
746 buf->Mode = cpu_to_le32(mode); in create_posix_buf()
761 return -ENOMEM; in add_posix_context()
763 if (!req->CreateContextsOffset) in add_posix_context()
764 req->CreateContextsOffset = cpu_to_le32( in add_posix_context()
766 iov[num - 1].iov_len); in add_posix_context()
767 le32_add_cpu(&req->CreateContextsLength, sizeof(struct create_posix)); in add_posix_context()
808 return -EIO; in SMB2_negotiate()
816 req->sync_hdr.SessionId = 0; in SMB2_negotiate()
818 memset(server->preauth_sha_hash, 0, SMB2_PREAUTH_HASH_SIZE); in SMB2_negotiate()
819 memset(ses->preauth_sha_hash, 0, SMB2_PREAUTH_HASH_SIZE); in SMB2_negotiate()
821 if (strcmp(server->vals->version_string, in SMB2_negotiate()
823 req->Dialects[0] = cpu_to_le16(SMB30_PROT_ID); in SMB2_negotiate()
824 req->Dialects[1] = cpu_to_le16(SMB302_PROT_ID); in SMB2_negotiate()
825 req->DialectCount = cpu_to_le16(2); in SMB2_negotiate()
827 } else if (strcmp(server->vals->version_string, in SMB2_negotiate()
829 req->Dialects[0] = cpu_to_le16(SMB21_PROT_ID); in SMB2_negotiate()
830 req->Dialects[1] = cpu_to_le16(SMB30_PROT_ID); in SMB2_negotiate()
831 req->Dialects[2] = cpu_to_le16(SMB302_PROT_ID); in SMB2_negotiate()
832 req->Dialects[3] = cpu_to_le16(SMB311_PROT_ID); in SMB2_negotiate()
833 req->DialectCount = cpu_to_le16(4); in SMB2_negotiate()
837 req->Dialects[0] = cpu_to_le16(server->vals->protocol_id); in SMB2_negotiate()
838 req->DialectCount = cpu_to_le16(1); in SMB2_negotiate()
843 if (ses->sign) in SMB2_negotiate()
844 req->SecurityMode = cpu_to_le16(SMB2_NEGOTIATE_SIGNING_REQUIRED); in SMB2_negotiate()
846 req->SecurityMode = cpu_to_le16(SMB2_NEGOTIATE_SIGNING_ENABLED); in SMB2_negotiate()
848 req->SecurityMode = 0; in SMB2_negotiate()
850 req->Capabilities = cpu_to_le32(server->vals->req_capabilities); in SMB2_negotiate()
851 if (ses->chan_max > 1) in SMB2_negotiate()
852 req->Capabilities |= cpu_to_le32(SMB2_GLOBAL_CAP_MULTI_CHANNEL); in SMB2_negotiate()
855 if (server->vals->protocol_id == SMB20_PROT_ID) in SMB2_negotiate()
856 memset(req->ClientGUID, 0, SMB2_CLIENT_GUID_SIZE); in SMB2_negotiate()
858 memcpy(req->ClientGUID, server->client_guid, in SMB2_negotiate()
860 if ((server->vals->protocol_id == SMB311_PROT_ID) || in SMB2_negotiate()
861 (strcmp(server->vals->version_string, in SMB2_negotiate()
877 * No tcon so can't do in SMB2_negotiate()
878 * cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_fail[SMB2...]); in SMB2_negotiate()
880 if (rc == -EOPNOTSUPP) { in SMB2_negotiate()
886 if (strcmp(server->vals->version_string, in SMB2_negotiate()
888 if (rsp->DialectRevision == cpu_to_le16(SMB20_PROT_ID)) { in SMB2_negotiate()
891 return -EIO; in SMB2_negotiate()
892 } else if (rsp->DialectRevision == cpu_to_le16(SMB21_PROT_ID)) { in SMB2_negotiate()
895 return -EIO; in SMB2_negotiate()
897 } else if (strcmp(server->vals->version_string, in SMB2_negotiate()
899 if (rsp->DialectRevision == cpu_to_le16(SMB20_PROT_ID)) { in SMB2_negotiate()
902 return -EIO; in SMB2_negotiate()
903 } else if (rsp->DialectRevision == cpu_to_le16(SMB21_PROT_ID)) { in SMB2_negotiate()
905 server->ops = &smb21_operations; in SMB2_negotiate()
906 server->vals = &smb21_values; in SMB2_negotiate()
907 } else if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID)) { in SMB2_negotiate()
908 server->ops = &smb311_operations; in SMB2_negotiate()
909 server->vals = &smb311_values; in SMB2_negotiate()
911 } else if (le16_to_cpu(rsp->DialectRevision) != in SMB2_negotiate()
912 server->vals->protocol_id) { in SMB2_negotiate()
915 le16_to_cpu(rsp->DialectRevision)); in SMB2_negotiate()
916 return -EIO; in SMB2_negotiate()
919 cifs_dbg(FYI, "mode 0x%x\n", rsp->SecurityMode); in SMB2_negotiate()
921 if (rsp->DialectRevision == cpu_to_le16(SMB20_PROT_ID)) in SMB2_negotiate()
923 else if (rsp->DialectRevision == cpu_to_le16(SMB21_PROT_ID)) in SMB2_negotiate()
925 else if (rsp->DialectRevision == cpu_to_le16(SMB30_PROT_ID)) in SMB2_negotiate()
927 else if (rsp->DialectRevision == cpu_to_le16(SMB302_PROT_ID)) in SMB2_negotiate()
929 else if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID)) in SMB2_negotiate()
933 le16_to_cpu(rsp->DialectRevision)); in SMB2_negotiate()
934 rc = -EIO; in SMB2_negotiate()
937 server->dialect = le16_to_cpu(rsp->DialectRevision); in SMB2_negotiate()
944 memcpy(server->preauth_sha_hash, ses->preauth_sha_hash, in SMB2_negotiate()
948 server->negflavor = CIFS_NEGFLAVOR_EXTENDED; in SMB2_negotiate()
950 server->maxBuf = min_t(unsigned int, le32_to_cpu(rsp->MaxTransactSize), in SMB2_negotiate()
952 server->max_read = le32_to_cpu(rsp->MaxReadSize); in SMB2_negotiate()
953 server->max_write = le32_to_cpu(rsp->MaxWriteSize); in SMB2_negotiate()
954 server->sec_mode = le16_to_cpu(rsp->SecurityMode); in SMB2_negotiate()
955 if ((server->sec_mode & SMB2_SEC_MODE_FLAGS_ALL) != server->sec_mode) in SMB2_negotiate()
957 server->sec_mode); in SMB2_negotiate()
958 server->capabilities = le32_to_cpu(rsp->Capabilities); in SMB2_negotiate()
960 server->capabilities |= SMB2_NT_FIND | SMB2_LARGE_FILES; in SMB2_negotiate()
966 if (server->dialect == SMB30_PROT_ID && (server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION)) in SMB2_negotiate()
967 server->cipher_type = SMB2_ENCRYPTION_AES128_CCM; in SMB2_negotiate()
972 * See MS-SMB2 section 2.2.4: if no blob, client picks default which in SMB2_negotiate()
974 * ses->sectype = RawNTLMSSP; in SMB2_negotiate()
980 server->sec_ntlmssp = true; in SMB2_negotiate()
983 rc = cifs_enable_signing(server, ses->sign); in SMB2_negotiate()
991 rc = -EIO; in SMB2_negotiate()
994 if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID)) { in SMB2_negotiate()
995 if (rsp->NegotiateContextCount) in SMB2_negotiate()
1006 int smb3_validate_negotiate(const unsigned int xid, struct cifs_tcon *tcon) in smb3_validate_negotiate() argument
1013 struct TCP_Server_Info *server = tcon->ses->server; in smb3_validate_negotiate()
1018 if (server->dialect == SMB311_PROT_ID) in smb3_validate_negotiate()
1028 if (tcon->ses->session_flags & SMB2_SESSION_FLAG_IS_GUEST) in smb3_validate_negotiate()
1031 if (tcon->ses->user_name == NULL) { in smb3_validate_negotiate()
1036 if (tcon->ses->session_flags & SMB2_SESSION_FLAG_IS_NULL) in smb3_validate_negotiate()
1041 return -ENOMEM; in smb3_validate_negotiate()
1043 pneg_inbuf->Capabilities = in smb3_validate_negotiate()
1044 cpu_to_le32(server->vals->req_capabilities); in smb3_validate_negotiate()
1045 if (tcon->ses->chan_max > 1) in smb3_validate_negotiate()
1046 pneg_inbuf->Capabilities |= cpu_to_le32(SMB2_GLOBAL_CAP_MULTI_CHANNEL); in smb3_validate_negotiate()
1048 memcpy(pneg_inbuf->Guid, server->client_guid, in smb3_validate_negotiate()
1051 if (tcon->ses->sign) in smb3_validate_negotiate()
1052 pneg_inbuf->SecurityMode = in smb3_validate_negotiate()
1055 pneg_inbuf->SecurityMode = in smb3_validate_negotiate()
1058 pneg_inbuf->SecurityMode = 0; in smb3_validate_negotiate()
1061 if (strcmp(server->vals->version_string, in smb3_validate_negotiate()
1063 pneg_inbuf->Dialects[0] = cpu_to_le16(SMB30_PROT_ID); in smb3_validate_negotiate()
1064 pneg_inbuf->Dialects[1] = cpu_to_le16(SMB302_PROT_ID); in smb3_validate_negotiate()
1065 pneg_inbuf->DialectCount = cpu_to_le16(2); in smb3_validate_negotiate()
1067 inbuflen = sizeof(*pneg_inbuf) - in smb3_validate_negotiate()
1068 (2 * sizeof(pneg_inbuf->Dialects[0])); in smb3_validate_negotiate()
1069 } else if (strcmp(server->vals->version_string, in smb3_validate_negotiate()
1071 pneg_inbuf->Dialects[0] = cpu_to_le16(SMB21_PROT_ID); in smb3_validate_negotiate()
1072 pneg_inbuf->Dialects[1] = cpu_to_le16(SMB30_PROT_ID); in smb3_validate_negotiate()
1073 pneg_inbuf->Dialects[2] = cpu_to_le16(SMB302_PROT_ID); in smb3_validate_negotiate()
1074 pneg_inbuf->Dialects[3] = cpu_to_le16(SMB311_PROT_ID); in smb3_validate_negotiate()
1075 pneg_inbuf->DialectCount = cpu_to_le16(4); in smb3_validate_negotiate()
1080 pneg_inbuf->Dialects[0] = in smb3_validate_negotiate()
1081 cpu_to_le16(server->vals->protocol_id); in smb3_validate_negotiate()
1082 pneg_inbuf->DialectCount = cpu_to_le16(1); in smb3_validate_negotiate()
1084 inbuflen = sizeof(*pneg_inbuf) - in smb3_validate_negotiate()
1085 sizeof(pneg_inbuf->Dialects[0]) * 3; in smb3_validate_negotiate()
1088 rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID, in smb3_validate_negotiate()
1092 if (rc == -EOPNOTSUPP) { in smb3_validate_negotiate()
1103 rc = -EIO; in smb3_validate_negotiate()
1107 rc = -EIO; in smb3_validate_negotiate()
1118 if (pneg_rsp->Dialect != cpu_to_le16(server->dialect)) in smb3_validate_negotiate()
1121 if (pneg_rsp->SecurityMode != cpu_to_le16(server->sec_mode)) in smb3_validate_negotiate()
1126 if ((le32_to_cpu(pneg_rsp->Capabilities) | SMB2_NT_FIND | in smb3_validate_negotiate()
1127 SMB2_LARGE_FILES) != server->capabilities) in smb3_validate_negotiate()
1136 cifs_tcon_dbg(VFS, "protocol revalidation - security settings mismatch\n"); in smb3_validate_negotiate()
1154 if (server->sec_ntlmssp && in smb2_select_sectype()
1157 if ((server->sec_kerberos || server->sec_mskerberos) && in smb2_select_sectype()
1189 struct cifs_ses *ses = sess_data->ses; in SMB2_sess_alloc_buffer()
1200 if (sess_data->ses->binding) { in SMB2_sess_alloc_buffer()
1201 req->sync_hdr.SessionId = sess_data->ses->Suid; in SMB2_sess_alloc_buffer()
1202 req->sync_hdr.Flags |= SMB2_FLAGS_SIGNED; in SMB2_sess_alloc_buffer()
1203 req->PreviousSessionId = 0; in SMB2_sess_alloc_buffer()
1204 req->Flags = SMB2_SESSION_REQ_FLAG_BINDING; in SMB2_sess_alloc_buffer()
1207 req->sync_hdr.SessionId = 0; in SMB2_sess_alloc_buffer()
1212 req->PreviousSessionId = sess_data->previous_session; in SMB2_sess_alloc_buffer()
1213 req->Flags = 0; /* MBZ */ in SMB2_sess_alloc_buffer()
1217 req->sync_hdr.CreditRequest = cpu_to_le16(130); in SMB2_sess_alloc_buffer()
1220 if (server->sign) in SMB2_sess_alloc_buffer()
1221 req->SecurityMode = SMB2_NEGOTIATE_SIGNING_REQUIRED; in SMB2_sess_alloc_buffer()
1223 req->SecurityMode = SMB2_NEGOTIATE_SIGNING_ENABLED; in SMB2_sess_alloc_buffer()
1225 req->SecurityMode = 0; in SMB2_sess_alloc_buffer()
1228 req->Capabilities = cpu_to_le32(SMB2_GLOBAL_CAP_DFS); in SMB2_sess_alloc_buffer()
1230 req->Capabilities = 0; in SMB2_sess_alloc_buffer()
1233 req->Channel = 0; /* MBZ */ in SMB2_sess_alloc_buffer()
1235 sess_data->iov[0].iov_base = (char *)req; in SMB2_sess_alloc_buffer()
1237 sess_data->iov[0].iov_len = total_len - 1; in SMB2_sess_alloc_buffer()
1242 sess_data->buf0_type = CIFS_SMALL_BUFFER; in SMB2_sess_alloc_buffer()
1250 free_rsp_buf(sess_data->buf0_type, sess_data->iov[0].iov_base); in SMB2_sess_free_buffer()
1251 sess_data->buf0_type = CIFS_NO_BUFFER; in SMB2_sess_free_buffer()
1259 struct smb2_sess_setup_req *req = sess_data->iov[0].iov_base; in SMB2_sess_sendreceive()
1263 req->SecurityBufferOffset = in SMB2_sess_sendreceive()
1265 req->SecurityBufferLength = cpu_to_le16(sess_data->iov[1].iov_len); in SMB2_sess_sendreceive()
1268 rqst.rq_iov = sess_data->iov; in SMB2_sess_sendreceive()
1272 rc = cifs_send_recv(sess_data->xid, sess_data->ses, in SMB2_sess_sendreceive()
1273 cifs_ses_server(sess_data->ses), in SMB2_sess_sendreceive()
1275 &sess_data->buf0_type, in SMB2_sess_sendreceive()
1277 cifs_small_buf_release(sess_data->iov[0].iov_base); in SMB2_sess_sendreceive()
1278 memcpy(&sess_data->iov[0], &rsp_iov, sizeof(struct kvec)); in SMB2_sess_sendreceive()
1287 struct cifs_ses *ses = sess_data->ses; in SMB2_sess_establish_session()
1290 mutex_lock(&server->srv_mutex); in SMB2_sess_establish_session()
1291 if (server->ops->generate_signingkey) { in SMB2_sess_establish_session()
1292 rc = server->ops->generate_signingkey(ses); in SMB2_sess_establish_session()
1296 mutex_unlock(&server->srv_mutex); in SMB2_sess_establish_session()
1300 if (!server->session_estab) { in SMB2_sess_establish_session()
1301 server->sequence_number = 0x2; in SMB2_sess_establish_session()
1302 server->session_estab = true; in SMB2_sess_establish_session()
1304 mutex_unlock(&server->srv_mutex); in SMB2_sess_establish_session()
1308 if (!ses->binding) { in SMB2_sess_establish_session()
1310 ses->status = CifsGood; in SMB2_sess_establish_session()
1311 ses->need_reconnect = false; in SMB2_sess_establish_session()
1323 struct cifs_ses *ses = sess_data->ses; in SMB2_auth_kerberos()
1335 if (rc == -ENOKEY) in SMB2_auth_kerberos()
1341 msg = spnego_key->payload.data[0]; in SMB2_auth_kerberos()
1346 if (msg->version != CIFS_SPNEGO_UPCALL_VERSION) { in SMB2_auth_kerberos()
1348 CIFS_SPNEGO_UPCALL_VERSION, msg->version); in SMB2_auth_kerberos()
1349 rc = -EKEYREJECTED; in SMB2_auth_kerberos()
1354 if (!ses->binding) { in SMB2_auth_kerberos()
1355 ses->auth_key.response = kmemdup(msg->data, msg->sesskey_len, in SMB2_auth_kerberos()
1357 if (!ses->auth_key.response) { in SMB2_auth_kerberos()
1359 msg->sesskey_len); in SMB2_auth_kerberos()
1360 rc = -ENOMEM; in SMB2_auth_kerberos()
1363 ses->auth_key.len = msg->sesskey_len; in SMB2_auth_kerberos()
1366 sess_data->iov[1].iov_base = msg->data + msg->sesskey_len; in SMB2_auth_kerberos()
1367 sess_data->iov[1].iov_len = msg->secblob_len; in SMB2_auth_kerberos()
1373 rsp = (struct smb2_sess_setup_rsp *)sess_data->iov[0].iov_base; in SMB2_auth_kerberos()
1375 if (!ses->binding) { in SMB2_auth_kerberos()
1376 ses->Suid = rsp->sync_hdr.SessionId; in SMB2_auth_kerberos()
1377 ses->session_flags = le16_to_cpu(rsp->SessionFlags); in SMB2_auth_kerberos()
1385 sess_data->result = rc; in SMB2_auth_kerberos()
1386 sess_data->func = NULL; in SMB2_auth_kerberos()
1394 sess_data->result = -EOPNOTSUPP; in SMB2_auth_kerberos()
1395 sess_data->func = NULL; in SMB2_auth_kerberos()
1406 struct cifs_ses *ses = sess_data->ses; in SMB2_sess_auth_rawntlmssp_negotiate()
1416 ses->ntlmssp = kmalloc(sizeof(struct ntlmssp_auth), GFP_KERNEL); in SMB2_sess_auth_rawntlmssp_negotiate()
1417 if (!ses->ntlmssp) { in SMB2_sess_auth_rawntlmssp_negotiate()
1418 rc = -ENOMEM; in SMB2_sess_auth_rawntlmssp_negotiate()
1421 ses->ntlmssp->sesskey_per_smbsess = true; in SMB2_sess_auth_rawntlmssp_negotiate()
1430 rc = -ENOMEM; in SMB2_sess_auth_rawntlmssp_negotiate()
1438 rc = -EOPNOTSUPP; in SMB2_sess_auth_rawntlmssp_negotiate()
1444 sess_data->iov[1].iov_base = ntlmssp_blob; in SMB2_sess_auth_rawntlmssp_negotiate()
1445 sess_data->iov[1].iov_len = blob_length; in SMB2_sess_auth_rawntlmssp_negotiate()
1448 rsp = (struct smb2_sess_setup_rsp *)sess_data->iov[0].iov_base; in SMB2_sess_auth_rawntlmssp_negotiate()
1451 if (sess_data->buf0_type != CIFS_NO_BUFFER && in SMB2_sess_auth_rawntlmssp_negotiate()
1452 rsp->sync_hdr.Status == STATUS_MORE_PROCESSING_REQUIRED) in SMB2_sess_auth_rawntlmssp_negotiate()
1459 le16_to_cpu(rsp->SecurityBufferOffset)) { in SMB2_sess_auth_rawntlmssp_negotiate()
1461 le16_to_cpu(rsp->SecurityBufferOffset)); in SMB2_sess_auth_rawntlmssp_negotiate()
1462 rc = -EIO; in SMB2_sess_auth_rawntlmssp_negotiate()
1465 rc = decode_ntlmssp_challenge(rsp->Buffer, in SMB2_sess_auth_rawntlmssp_negotiate()
1466 le16_to_cpu(rsp->SecurityBufferLength), ses); in SMB2_sess_auth_rawntlmssp_negotiate()
1473 if (!ses->binding) { in SMB2_sess_auth_rawntlmssp_negotiate()
1474 ses->Suid = rsp->sync_hdr.SessionId; in SMB2_sess_auth_rawntlmssp_negotiate()
1475 ses->session_flags = le16_to_cpu(rsp->SessionFlags); in SMB2_sess_auth_rawntlmssp_negotiate()
1482 sess_data->result = 0; in SMB2_sess_auth_rawntlmssp_negotiate()
1483 sess_data->func = SMB2_sess_auth_rawntlmssp_authenticate; in SMB2_sess_auth_rawntlmssp_negotiate()
1487 kfree(ses->ntlmssp); in SMB2_sess_auth_rawntlmssp_negotiate()
1488 ses->ntlmssp = NULL; in SMB2_sess_auth_rawntlmssp_negotiate()
1489 sess_data->result = rc; in SMB2_sess_auth_rawntlmssp_negotiate()
1490 sess_data->func = NULL; in SMB2_sess_auth_rawntlmssp_negotiate()
1497 struct cifs_ses *ses = sess_data->ses; in SMB2_sess_auth_rawntlmssp_authenticate()
1508 req = (struct smb2_sess_setup_req *) sess_data->iov[0].iov_base; in SMB2_sess_auth_rawntlmssp_authenticate()
1509 req->sync_hdr.SessionId = ses->Suid; in SMB2_sess_auth_rawntlmssp_authenticate()
1512 sess_data->nls_cp); in SMB2_sess_auth_rawntlmssp_authenticate()
1521 rc = -EOPNOTSUPP; in SMB2_sess_auth_rawntlmssp_authenticate()
1524 sess_data->iov[1].iov_base = ntlmssp_blob; in SMB2_sess_auth_rawntlmssp_authenticate()
1525 sess_data->iov[1].iov_len = blob_length; in SMB2_sess_auth_rawntlmssp_authenticate()
1531 rsp = (struct smb2_sess_setup_rsp *)sess_data->iov[0].iov_base; in SMB2_sess_auth_rawntlmssp_authenticate()
1534 if (!ses->binding) { in SMB2_sess_auth_rawntlmssp_authenticate()
1535 ses->Suid = rsp->sync_hdr.SessionId; in SMB2_sess_auth_rawntlmssp_authenticate()
1536 ses->session_flags = le16_to_cpu(rsp->SessionFlags); in SMB2_sess_auth_rawntlmssp_authenticate()
1541 if (ses->server->dialect < SMB30_PROT_ID) { in SMB2_sess_auth_rawntlmssp_authenticate()
1547 cifs_dbg(VFS, "Session Id %*ph\n", (int)sizeof(ses->Suid), in SMB2_sess_auth_rawntlmssp_authenticate()
1548 &ses->Suid); in SMB2_sess_auth_rawntlmssp_authenticate()
1550 SMB2_NTLMV2_SESSKEY_SIZE, ses->auth_key.response); in SMB2_sess_auth_rawntlmssp_authenticate()
1552 SMB3_SIGN_KEY_SIZE, ses->auth_key.response); in SMB2_sess_auth_rawntlmssp_authenticate()
1558 kfree(ses->ntlmssp); in SMB2_sess_auth_rawntlmssp_authenticate()
1559 ses->ntlmssp = NULL; in SMB2_sess_auth_rawntlmssp_authenticate()
1560 sess_data->result = rc; in SMB2_sess_auth_rawntlmssp_authenticate()
1561 sess_data->func = NULL; in SMB2_sess_auth_rawntlmssp_authenticate()
1569 type = smb2_select_sectype(cifs_ses_server(ses), ses->sectype); in SMB2_select_sec()
1573 return -EINVAL; in SMB2_select_sec()
1578 sess_data->func = SMB2_auth_kerberos; in SMB2_select_sec()
1581 sess_data->func = SMB2_sess_auth_rawntlmssp_negotiate; in SMB2_select_sec()
1585 return -EOPNOTSUPP; in SMB2_select_sec()
1603 return -EIO; in SMB2_sess_setup()
1608 return -ENOMEM; in SMB2_sess_setup()
1613 sess_data->xid = xid; in SMB2_sess_setup()
1614 sess_data->ses = ses; in SMB2_sess_setup()
1615 sess_data->buf0_type = CIFS_NO_BUFFER; in SMB2_sess_setup()
1616 sess_data->nls_cp = (struct nls_table *) nls_cp; in SMB2_sess_setup()
1617 sess_data->previous_session = ses->Suid; in SMB2_sess_setup()
1622 memcpy(ses->preauth_sha_hash, server->preauth_sha_hash, in SMB2_sess_setup()
1625 while (sess_data->func) in SMB2_sess_setup()
1626 sess_data->func(sess_data); in SMB2_sess_setup()
1628 if ((ses->session_flags & SMB2_SESSION_FLAG_IS_GUEST) && (ses->sign)) in SMB2_sess_setup()
1630 rc = sess_data->result; in SMB2_sess_setup()
1651 if (ses && (ses->server)) in SMB2_logoff()
1652 server = ses->server; in SMB2_logoff()
1654 return -EIO; in SMB2_logoff()
1657 if (ses->need_reconnect) in SMB2_logoff()
1660 rc = smb2_plain_req_init(SMB2_LOGOFF, NULL, ses->server, in SMB2_logoff()
1665 /* since no tcon, smb2_init can not do this, so do here */ in SMB2_logoff()
1666 req->sync_hdr.SessionId = ses->Suid; in SMB2_logoff()
1668 if (ses->session_flags & SMB2_SESSION_FLAG_ENCRYPT_DATA) in SMB2_logoff()
1670 else if (server->sign) in SMB2_logoff()
1671 req->sync_hdr.Flags |= SMB2_FLAGS_SIGNED; in SMB2_logoff()
1682 rc = cifs_send_recv(xid, ses, ses->server, in SMB2_logoff()
1686 * No tcon so can't do in SMB2_logoff()
1687 * cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_fail[SMB2...]); in SMB2_logoff()
1694 static inline void cifs_stats_fail_inc(struct cifs_tcon *tcon, uint16_t code) in cifs_stats_fail_inc() argument
1696 cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_failed[code]); in cifs_stats_fail_inc()
1702 static inline void init_copy_chunk_defaults(struct cifs_tcon *tcon) in init_copy_chunk_defaults() argument
1704 tcon->max_chunks = 256; in init_copy_chunk_defaults()
1705 tcon->max_bytes_chunk = 1048576; in init_copy_chunk_defaults()
1706 tcon->max_bytes_copy = 16777216; in init_copy_chunk_defaults()
1711 struct cifs_tcon *tcon, const struct nls_table *cp) in SMB2_tcon() argument
1726 /* always use master channel */ in SMB2_tcon()
1727 server = ses->server; in SMB2_tcon()
1729 cifs_dbg(FYI, "TCON\n"); in SMB2_tcon()
1732 return -EIO; in SMB2_tcon()
1736 return -ENOMEM; in SMB2_tcon()
1742 return -EINVAL; in SMB2_tcon()
1746 tcon->tid = 0; in SMB2_tcon()
1747 atomic_set(&tcon->num_remote_opens, 0); in SMB2_tcon()
1748 rc = smb2_plain_req_init(SMB2_TREE_CONNECT, tcon, server, in SMB2_tcon()
1755 if (smb3_encryption_required(tcon)) in SMB2_tcon()
1760 iov[0].iov_len = total_len - 1; in SMB2_tcon()
1763 req->PathOffset = cpu_to_le16(sizeof(struct smb2_tree_connect_req)); in SMB2_tcon()
1764 req->PathLength = cpu_to_le16(unc_path_len - 2); in SMB2_tcon()
1769 * 3.11 tcon req must be signed if not encrypted. See MS-SMB2 3.2.4.1.1 in SMB2_tcon()
1770 * unless it is guest or anonymous user. See MS-SMB2 3.2.5.3.1 in SMB2_tcon()
1773 if ((server->dialect == SMB311_PROT_ID) && in SMB2_tcon()
1774 !smb3_encryption_required(tcon) && in SMB2_tcon()
1775 !(ses->session_flags & in SMB2_tcon()
1777 ((ses->user_name != NULL) || (ses->sectype == Kerberos))) in SMB2_tcon()
1778 req->sync_hdr.Flags |= SMB2_FLAGS_SIGNED; in SMB2_tcon()
1785 req->sync_hdr.CreditRequest = cpu_to_le16(64); in SMB2_tcon()
1791 trace_smb3_tcon(xid, tcon->tid, ses->Suid, tree, rc); in SMB2_tcon()
1793 if (tcon) { in SMB2_tcon()
1794 cifs_stats_fail_inc(tcon, SMB2_TREE_CONNECT_HE); in SMB2_tcon()
1795 tcon->need_reconnect = true; in SMB2_tcon()
1800 switch (rsp->ShareType) { in SMB2_tcon()
1805 tcon->pipe = true; in SMB2_tcon()
1809 tcon->print = true; in SMB2_tcon()
1813 cifs_server_dbg(VFS, "unknown share type %d\n", rsp->ShareType); in SMB2_tcon()
1814 rc = -EOPNOTSUPP; in SMB2_tcon()
1818 tcon->share_flags = le32_to_cpu(rsp->ShareFlags); in SMB2_tcon()
1819 tcon->capabilities = rsp->Capabilities; /* we keep caps little endian */ in SMB2_tcon()
1820 tcon->maximal_access = le32_to_cpu(rsp->MaximalAccess); in SMB2_tcon()
1821 tcon->tidStatus = CifsGood; in SMB2_tcon()
1822 tcon->need_reconnect = false; in SMB2_tcon()
1823 tcon->tid = rsp->sync_hdr.TreeId; in SMB2_tcon()
1824 strlcpy(tcon->treeName, tree, sizeof(tcon->treeName)); in SMB2_tcon()
1826 if ((rsp->Capabilities & SMB2_SHARE_CAP_DFS) && in SMB2_tcon()
1827 ((tcon->share_flags & SHI1005_FLAGS_DFS) == 0)) in SMB2_tcon()
1830 if (tcon->seal && in SMB2_tcon()
1831 !(server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION)) in SMB2_tcon()
1834 init_copy_chunk_defaults(tcon); in SMB2_tcon()
1835 if (server->ops->validate_negotiate) in SMB2_tcon()
1836 rc = server->ops->validate_negotiate(xid, tcon); in SMB2_tcon()
1844 if (rsp && rsp->sync_hdr.Status == STATUS_BAD_NETWORK_NAME) { in SMB2_tcon()
1851 SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon) in SMB2_tdis() argument
1856 struct cifs_ses *ses = tcon->ses; in SMB2_tdis()
1865 if (!ses || !(ses->server)) in SMB2_tdis()
1866 return -EIO; in SMB2_tdis()
1868 if ((tcon->need_reconnect) || (tcon->ses->need_reconnect)) in SMB2_tdis()
1871 close_shroot_lease(&tcon->crfid); in SMB2_tdis()
1873 rc = smb2_plain_req_init(SMB2_TREE_DISCONNECT, tcon, ses->server, in SMB2_tdis()
1879 if (smb3_encryption_required(tcon)) in SMB2_tdis()
1891 rc = cifs_send_recv(xid, ses, ses->server, in SMB2_tdis()
1895 cifs_stats_fail_inc(tcon, SMB2_TREE_DISCONNECT_HE); in SMB2_tdis()
1910 buf->ccontext.DataOffset = cpu_to_le16(offsetof in create_durable_buf()
1912 buf->ccontext.DataLength = cpu_to_le32(16); in create_durable_buf()
1913 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_durable_buf()
1915 buf->ccontext.NameLength = cpu_to_le16(4); in create_durable_buf()
1917 buf->Name[0] = 'D'; in create_durable_buf()
1918 buf->Name[1] = 'H'; in create_durable_buf()
1919 buf->Name[2] = 'n'; in create_durable_buf()
1920 buf->Name[3] = 'Q'; in create_durable_buf()
1933 buf->ccontext.DataOffset = cpu_to_le16(offsetof in create_reconnect_durable_buf()
1935 buf->ccontext.DataLength = cpu_to_le32(16); in create_reconnect_durable_buf()
1936 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_reconnect_durable_buf()
1938 buf->ccontext.NameLength = cpu_to_le16(4); in create_reconnect_durable_buf()
1939 buf->Data.Fid.PersistentFileId = fid->persistent_fid; in create_reconnect_durable_buf()
1940 buf->Data.Fid.VolatileFileId = fid->volatile_fid; in create_reconnect_durable_buf()
1942 buf->Name[0] = 'D'; in create_reconnect_durable_buf()
1943 buf->Name[1] = 'H'; in create_reconnect_durable_buf()
1944 buf->Name[2] = 'n'; in create_reconnect_durable_buf()
1945 buf->Name[3] = 'C'; in create_reconnect_durable_buf()
1955 pdisk_id->DiskFileId, pdisk_id->VolumeId); in parse_query_id_ctxt()
1956 buf->IndexNumber = pdisk_id->DiskFileId; in parse_query_id_ctxt()
1964 u8 *beg = (u8 *)cc + le16_to_cpu(cc->DataOffset); in parse_posix_ctxt()
1965 u8 *end = beg + le32_to_cpu(cc->DataLength); in parse_posix_ctxt()
1970 posix->nlink = le32_to_cpu(*(__le32 *)(beg + 0)); in parse_posix_ctxt()
1971 posix->reparse_tag = le32_to_cpu(*(__le32 *)(beg + 4)); in parse_posix_ctxt()
1972 posix->mode = le32_to_cpu(*(__le32 *)(beg + 8)); in parse_posix_ctxt()
1980 memcpy(&posix->owner, sid, sid_len); in parse_posix_ctxt()
1988 memcpy(&posix->group, sid, sid_len); in parse_posix_ctxt()
1991 posix->nlink, posix->mode, posix->reparse_tag); in parse_posix_ctxt()
2013 data_offset = (char *)rsp + le32_to_cpu(rsp->CreateContextsOffset); in smb2_parse_contexts()
2014 remaining = le32_to_cpu(rsp->CreateContextsLength); in smb2_parse_contexts()
2019 buf->IndexNumber = 0; in smb2_parse_contexts()
2022 name = le16_to_cpu(cc->NameOffset) + (char *)cc; in smb2_parse_contexts()
2023 if (le16_to_cpu(cc->NameLength) == 4 && in smb2_parse_contexts()
2025 *oplock = server->ops->parse_lease_buf(cc, epoch, in smb2_parse_contexts()
2027 else if (buf && (le16_to_cpu(cc->NameLength) == 4) && in smb2_parse_contexts()
2030 else if ((le16_to_cpu(cc->NameLength) == 16)) { in smb2_parse_contexts()
2037 le16_to_cpu(cc->NameLength)); in smb2_parse_contexts()
2041 next = le32_to_cpu(cc->Next); in smb2_parse_contexts()
2044 remaining -= next; in smb2_parse_contexts()
2048 if (rsp->OplockLevel != SMB2_OPLOCK_LEVEL_LEASE) in smb2_parse_contexts()
2049 *oplock = rsp->OplockLevel; in smb2_parse_contexts()
2061 iov[num].iov_base = server->ops->create_lease_buf(lease_key, *oplock); in add_lease_context()
2063 return -ENOMEM; in add_lease_context()
2064 iov[num].iov_len = server->vals->create_lease_size; in add_lease_context()
2065 req->RequestedOplockLevel = SMB2_OPLOCK_LEVEL_LEASE; in add_lease_context()
2066 if (!req->CreateContextsOffset) in add_lease_context()
2067 req->CreateContextsOffset = cpu_to_le32( in add_lease_context()
2069 iov[num - 1].iov_len); in add_lease_context()
2070 le32_add_cpu(&req->CreateContextsLength, in add_lease_context()
2071 server->vals->create_lease_size); in add_lease_context()
2079 struct cifs_fid *pfid = oparms->fid; in create_durable_v2_buf()
2086 buf->ccontext.DataOffset = cpu_to_le16(offsetof in create_durable_v2_buf()
2088 buf->ccontext.DataLength = cpu_to_le32(sizeof(struct durable_context_v2)); in create_durable_v2_buf()
2089 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_durable_v2_buf()
2091 buf->ccontext.NameLength = cpu_to_le16(4); in create_durable_v2_buf()
2100 buf->dcontext.Timeout = cpu_to_le32(oparms->tcon->handle_timeout); in create_durable_v2_buf()
2101 buf->dcontext.Flags = cpu_to_le32(SMB2_DHANDLE_FLAG_PERSISTENT); in create_durable_v2_buf()
2102 generate_random_uuid(buf->dcontext.CreateGuid); in create_durable_v2_buf()
2103 memcpy(pfid->create_guid, buf->dcontext.CreateGuid, 16); in create_durable_v2_buf()
2106 buf->Name[0] = 'D'; in create_durable_v2_buf()
2107 buf->Name[1] = 'H'; in create_durable_v2_buf()
2108 buf->Name[2] = '2'; in create_durable_v2_buf()
2109 buf->Name[3] = 'Q'; in create_durable_v2_buf()
2123 buf->ccontext.DataOffset = in create_reconnect_durable_v2_buf()
2126 buf->ccontext.DataLength = in create_reconnect_durable_v2_buf()
2128 buf->ccontext.NameOffset = in create_reconnect_durable_v2_buf()
2131 buf->ccontext.NameLength = cpu_to_le16(4); in create_reconnect_durable_v2_buf()
2133 buf->dcontext.Fid.PersistentFileId = fid->persistent_fid; in create_reconnect_durable_v2_buf()
2134 buf->dcontext.Fid.VolatileFileId = fid->volatile_fid; in create_reconnect_durable_v2_buf()
2135 buf->dcontext.Flags = cpu_to_le32(SMB2_DHANDLE_FLAG_PERSISTENT); in create_reconnect_durable_v2_buf()
2136 memcpy(buf->dcontext.CreateGuid, fid->create_guid, 16); in create_reconnect_durable_v2_buf()
2139 buf->Name[0] = 'D'; in create_reconnect_durable_v2_buf()
2140 buf->Name[1] = 'H'; in create_reconnect_durable_v2_buf()
2141 buf->Name[2] = '2'; in create_reconnect_durable_v2_buf()
2142 buf->Name[3] = 'C'; in create_reconnect_durable_v2_buf()
2155 return -ENOMEM; in add_durable_v2_context()
2157 if (!req->CreateContextsOffset) in add_durable_v2_context()
2158 req->CreateContextsOffset = in add_durable_v2_context()
2161 le32_add_cpu(&req->CreateContextsLength, sizeof(struct create_durable_v2)); in add_durable_v2_context()
2174 oparms->reconnect = false; in add_durable_reconnect_v2_context()
2176 iov[num].iov_base = create_reconnect_durable_v2_buf(oparms->fid); in add_durable_reconnect_v2_context()
2178 return -ENOMEM; in add_durable_reconnect_v2_context()
2180 if (!req->CreateContextsOffset) in add_durable_reconnect_v2_context()
2181 req->CreateContextsOffset = in add_durable_reconnect_v2_context()
2184 le32_add_cpu(&req->CreateContextsLength, in add_durable_reconnect_v2_context()
2198 if (oparms->reconnect) in add_durable_context()
2205 if (oparms->reconnect) { in add_durable_context()
2206 iov[num].iov_base = create_reconnect_durable_buf(oparms->fid); in add_durable_context()
2208 oparms->reconnect = false; in add_durable_context()
2212 return -ENOMEM; in add_durable_context()
2214 if (!req->CreateContextsOffset) in add_durable_context()
2215 req->CreateContextsOffset = in add_durable_context()
2218 le32_add_cpu(&req->CreateContextsLength, sizeof(struct create_durable)); in add_durable_context()
2223 /* See MS-SMB2 2.2.13.2.7 */
2233 buf->ccontext.DataOffset = cpu_to_le16(offsetof in create_twarp_buf()
2235 buf->ccontext.DataLength = cpu_to_le32(8); in create_twarp_buf()
2236 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_twarp_buf()
2238 buf->ccontext.NameLength = cpu_to_le16(4); in create_twarp_buf()
2240 buf->Name[0] = 'T'; in create_twarp_buf()
2241 buf->Name[1] = 'W'; in create_twarp_buf()
2242 buf->Name[2] = 'r'; in create_twarp_buf()
2243 buf->Name[3] = 'p'; in create_twarp_buf()
2244 buf->Timestamp = cpu_to_le64(timewarp); in create_twarp_buf()
2248 /* See MS-SMB2 2.2.13.2.7 */
2257 return -ENOMEM; in add_twarp_context()
2259 if (!req->CreateContextsOffset) in add_twarp_context()
2260 req->CreateContextsOffset = cpu_to_le32( in add_twarp_context()
2262 iov[num - 1].iov_len); in add_twarp_context()
2263 le32_add_cpu(&req->CreateContextsLength, sizeof(struct crt_twarp_ctxt)); in add_twarp_context()
2268 /* See See http://technet.microsoft.com/en-us/library/hh509017(v=ws.10).aspx */
2273 /* Populate the user ownership fields S-1-5-88-1 */ in setup_owner_group_sids()
2274 sids->owner.Revision = 1; in setup_owner_group_sids()
2275 sids->owner.NumAuth = 3; in setup_owner_group_sids()
2276 sids->owner.Authority[5] = 5; in setup_owner_group_sids()
2277 sids->owner.SubAuthorities[0] = cpu_to_le32(88); in setup_owner_group_sids()
2278 sids->owner.SubAuthorities[1] = cpu_to_le32(1); in setup_owner_group_sids()
2279 sids->owner.SubAuthorities[2] = cpu_to_le32(current_fsuid().val); in setup_owner_group_sids()
2281 /* Populate the group ownership fields S-1-5-88-2 */ in setup_owner_group_sids()
2282 sids->group.Revision = 1; in setup_owner_group_sids()
2283 sids->group.NumAuth = 3; in setup_owner_group_sids()
2284 sids->group.Authority[5] = 5; in setup_owner_group_sids()
2285 sids->group.SubAuthorities[0] = cpu_to_le32(88); in setup_owner_group_sids()
2286 sids->group.SubAuthorities[1] = cpu_to_le32(2); in setup_owner_group_sids()
2287 sids->group.SubAuthorities[2] = cpu_to_le32(current_fsgid().val); in setup_owner_group_sids()
2289 …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()
2292 /* See MS-SMB2 2.2.13.2.2 and MS-DTYP 2.4.6 */
2317 owner_offset = ptr - (__u8 *)&buf->sd; in create_sd_buf()
2318 buf->sd.OffsetOwner = cpu_to_le32(owner_offset); in create_sd_buf()
2320 buf->sd.OffsetGroup = cpu_to_le32(group_offset); in create_sd_buf()
2325 buf->sd.OffsetOwner = 0; in create_sd_buf()
2326 buf->sd.OffsetGroup = 0; in create_sd_buf()
2329 buf->ccontext.DataOffset = cpu_to_le16(offsetof(struct crt_sd_ctxt, sd)); in create_sd_buf()
2330 buf->ccontext.NameOffset = cpu_to_le16(offsetof(struct crt_sd_ctxt, Name)); in create_sd_buf()
2331 buf->ccontext.NameLength = cpu_to_le16(4); in create_sd_buf()
2333 buf->Name[0] = 'S'; in create_sd_buf()
2334 buf->Name[1] = 'e'; in create_sd_buf()
2335 buf->Name[2] = 'c'; in create_sd_buf()
2336 buf->Name[3] = 'D'; in create_sd_buf()
2337 buf->sd.Revision = 1; /* Must be one see MS-DTYP 2.4.6 */ in create_sd_buf()
2343 buf->sd.Control = cpu_to_le16(ACL_CONTROL_SR | ACL_CONTROL_DP); in create_sd_buf()
2346 buf->sd.OffsetDacl = cpu_to_le32(ptr - (__u8 *)&buf->sd); in create_sd_buf()
2371 acl.AclRevision = ACL_REVISION; /* See 2.4.4.1 of MS-DTYP */ in create_sd_buf()
2377 buf->ccontext.DataLength = cpu_to_le32(ptr - (__u8 *)&buf->sd); in create_sd_buf()
2378 *len = roundup(ptr - (__u8 *)buf, 8); in create_sd_buf()
2392 return -ENOMEM; in add_sd_context()
2394 if (!req->CreateContextsOffset) in add_sd_context()
2395 req->CreateContextsOffset = cpu_to_le32( in add_sd_context()
2397 iov[num - 1].iov_len); in add_sd_context()
2398 le32_add_cpu(&req->CreateContextsLength, len); in add_sd_context()
2412 buf->ccontext.DataOffset = cpu_to_le16(0); in create_query_id_buf()
2413 buf->ccontext.DataLength = cpu_to_le32(0); in create_query_id_buf()
2414 buf->ccontext.NameOffset = cpu_to_le16(offsetof in create_query_id_buf()
2416 buf->ccontext.NameLength = cpu_to_le16(4); in create_query_id_buf()
2418 buf->Name[0] = 'Q'; in create_query_id_buf()
2419 buf->Name[1] = 'F'; in create_query_id_buf()
2420 buf->Name[2] = 'i'; in create_query_id_buf()
2421 buf->Name[3] = 'd'; in create_query_id_buf()
2425 /* See MS-SMB2 2.2.13.2.9 */
2434 return -ENOMEM; in add_query_id_context()
2436 if (!req->CreateContextsOffset) in add_query_id_context()
2437 req->CreateContextsOffset = cpu_to_le32( in add_query_id_context()
2439 iov[num - 1].iov_len); in add_query_id_context()
2440 le32_add_cpu(&req->CreateContextsLength, sizeof(struct crt_query_id_ctxt)); in add_query_id_context()
2458 return -EINVAL; in alloc_path_with_tree_prefix()
2461 treename_len -= 2; in alloc_path_with_tree_prefix()
2472 * final path needs to be null-terminated UTF16 with a in alloc_path_with_tree_prefix()
2479 return -ENOMEM; in alloc_path_with_tree_prefix()
2491 umode_t mode, struct cifs_tcon *tcon, in smb311_posix_mkdir() argument
2498 struct cifs_ses *ses = tcon->ses; in smb311_posix_mkdir()
2519 return -ENOMEM; in smb311_posix_mkdir()
2522 rc = -EIO; in smb311_posix_mkdir()
2527 rc = smb2_plain_req_init(SMB2_CREATE, tcon, server, in smb311_posix_mkdir()
2533 if (smb3_encryption_required(tcon)) in smb311_posix_mkdir()
2536 req->ImpersonationLevel = IL_IMPERSONATION; in smb311_posix_mkdir()
2537 req->DesiredAccess = cpu_to_le32(FILE_WRITE_ATTRIBUTES); in smb311_posix_mkdir()
2539 req->FileAttributes = cpu_to_le32(file_attributes); in smb311_posix_mkdir()
2540 req->ShareAccess = FILE_SHARE_ALL_LE; in smb311_posix_mkdir()
2541 req->CreateDisposition = cpu_to_le32(FILE_CREATE); in smb311_posix_mkdir()
2542 req->CreateOptions = cpu_to_le32(CREATE_NOT_FILE); in smb311_posix_mkdir()
2545 /* -1 since last byte is buf[0] which is sent below (path) */ in smb311_posix_mkdir()
2546 iov[0].iov_len = total_len - 1; in smb311_posix_mkdir()
2548 req->NameOffset = cpu_to_le16(sizeof(struct smb2_create_req)); in smb311_posix_mkdir()
2550 /* [MS-SMB2] 2.2.13 NameOffset: in smb311_posix_mkdir()
2558 if (tcon->share_flags & SHI1005_FLAGS_DFS) { in smb311_posix_mkdir()
2561 req->sync_hdr.Flags |= SMB2_FLAGS_DFS_OPERATIONS; in smb311_posix_mkdir()
2564 tcon->treeName, utf16_path); in smb311_posix_mkdir()
2568 req->NameLength = cpu_to_le16(name_len * 2); in smb311_posix_mkdir()
2576 req->NameLength = cpu_to_le16(uni_path_len - 2); in smb311_posix_mkdir()
2581 rc = -ENOMEM; in smb311_posix_mkdir()
2595 req->RequestedOplockLevel = SMB2_OPLOCK_LEVEL_NONE; in smb311_posix_mkdir()
2597 if (tcon->posix_extensions) { in smb311_posix_mkdir()
2602 pc_buf = iov[n_iov-1].iov_base; in smb311_posix_mkdir()
2611 trace_smb3_posix_mkdir_enter(xid, tcon->tid, ses->Suid, CREATE_NOT_FILE, in smb311_posix_mkdir()
2617 cifs_stats_fail_inc(tcon, SMB2_CREATE_HE); in smb311_posix_mkdir()
2618 trace_smb3_posix_mkdir_err(xid, tcon->tid, ses->Suid, in smb311_posix_mkdir()
2625 trace_smb3_posix_mkdir_done(xid, rsp->PersistentFileId, tcon->tid, in smb311_posix_mkdir()
2626 ses->Suid, CREATE_NOT_FILE, in smb311_posix_mkdir()
2629 SMB2_close(xid, tcon, rsp->PersistentFileId, rsp->VolatileFileId); in smb311_posix_mkdir()
2644 SMB2_open_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_open_init() argument
2654 struct kvec *iov = rqst->rq_iov; in SMB2_open_init()
2658 rc = smb2_plain_req_init(SMB2_CREATE, tcon, server, in SMB2_open_init()
2664 /* -1 since last byte is buf[0] which is sent below (path) */ in SMB2_open_init()
2665 iov[0].iov_len = total_len - 1; in SMB2_open_init()
2667 if (oparms->create_options & CREATE_OPTION_READONLY) in SMB2_open_init()
2669 if (oparms->create_options & CREATE_OPTION_SPECIAL) in SMB2_open_init()
2672 req->ImpersonationLevel = IL_IMPERSONATION; in SMB2_open_init()
2673 req->DesiredAccess = cpu_to_le32(oparms->desired_access); in SMB2_open_init()
2675 req->FileAttributes = cpu_to_le32(file_attributes); in SMB2_open_init()
2676 req->ShareAccess = FILE_SHARE_ALL_LE; in SMB2_open_init()
2678 req->CreateDisposition = cpu_to_le32(oparms->disposition); in SMB2_open_init()
2679 req->CreateOptions = cpu_to_le32(oparms->create_options & CREATE_OPTIONS_MASK); in SMB2_open_init()
2680 req->NameOffset = cpu_to_le16(sizeof(struct smb2_create_req)); in SMB2_open_init()
2682 /* [MS-SMB2] 2.2.13 NameOffset: in SMB2_open_init()
2690 if (tcon->share_flags & SHI1005_FLAGS_DFS) { in SMB2_open_init()
2693 req->sync_hdr.Flags |= SMB2_FLAGS_DFS_OPERATIONS; in SMB2_open_init()
2696 tcon->treeName, path); in SMB2_open_init()
2699 req->NameLength = cpu_to_le16(name_len * 2); in SMB2_open_init()
2705 req->NameLength = cpu_to_le16(uni_path_len - 2); in SMB2_open_init()
2711 return -ENOMEM; in SMB2_open_init()
2721 if ((!server->oplocks) || (tcon->no_lease)) in SMB2_open_init()
2724 if (!(server->capabilities & SMB2_GLOBAL_CAP_LEASING) || in SMB2_open_init()
2726 req->RequestedOplockLevel = *oplock; in SMB2_open_init()
2727 else if (!(server->capabilities & SMB2_GLOBAL_CAP_DIRECTORY_LEASING) && in SMB2_open_init()
2728 (oparms->create_options & CREATE_NOT_FILE)) in SMB2_open_init()
2729 req->RequestedOplockLevel = *oplock; /* no srv lease support */ in SMB2_open_init()
2732 oparms->fid->lease_key, oplock); in SMB2_open_init()
2739 if (server->capabilities & SMB2_GLOBAL_CAP_LEASING) { in SMB2_open_init()
2741 (struct create_context *)iov[n_iov-1].iov_base; in SMB2_open_init()
2742 ccontext->Next = in SMB2_open_init()
2743 cpu_to_le32(server->vals->create_lease_size); in SMB2_open_init()
2747 tcon->use_persistent); in SMB2_open_init()
2752 if (tcon->posix_extensions) { in SMB2_open_init()
2755 (struct create_context *)iov[n_iov-1].iov_base; in SMB2_open_init()
2756 ccontext->Next = in SMB2_open_init()
2757 cpu_to_le32(iov[n_iov-1].iov_len); in SMB2_open_init()
2760 rc = add_posix_context(iov, &n_iov, oparms->mode); in SMB2_open_init()
2765 if (tcon->snapshot_time) { in SMB2_open_init()
2769 (struct create_context *)iov[n_iov-1].iov_base; in SMB2_open_init()
2770 ccontext->Next = in SMB2_open_init()
2771 cpu_to_le32(iov[n_iov-1].iov_len); in SMB2_open_init()
2774 rc = add_twarp_context(iov, &n_iov, tcon->snapshot_time); in SMB2_open_init()
2779 if ((oparms->disposition != FILE_OPEN) && (oparms->cifs_sb)) { in SMB2_open_init()
2783 if ((oparms->cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MODE_FROM_SID) && in SMB2_open_init()
2784 (oparms->mode != ACL_NO_MODE)) in SMB2_open_init()
2788 oparms->mode = ACL_NO_MODE; in SMB2_open_init()
2791 if (oparms->cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UID_FROM_ACL) in SMB2_open_init()
2799 (struct create_context *)iov[n_iov-1].iov_base; in SMB2_open_init()
2800 ccontext->Next = cpu_to_le32(iov[n_iov-1].iov_len); in SMB2_open_init()
2803 cifs_dbg(FYI, "add sd with mode 0x%x\n", oparms->mode); in SMB2_open_init()
2804 rc = add_sd_context(iov, &n_iov, oparms->mode, set_owner); in SMB2_open_init()
2812 (struct create_context *)iov[n_iov-1].iov_base; in SMB2_open_init()
2813 ccontext->Next = cpu_to_le32(iov[n_iov-1].iov_len); in SMB2_open_init()
2817 rqst->rq_nvec = n_iov; in SMB2_open_init()
2829 if (rqst && rqst->rq_iov) { in SMB2_open_free()
2830 cifs_small_buf_release(rqst->rq_iov[0].iov_base); in SMB2_open_free()
2831 for (i = 1; i < rqst->rq_nvec; i++) in SMB2_open_free()
2832 if (rqst->rq_iov[i].iov_base != smb2_padding) in SMB2_open_free()
2833 kfree(rqst->rq_iov[i].iov_base); in SMB2_open_free()
2845 struct cifs_tcon *tcon = oparms->tcon; in SMB2_open() local
2846 struct cifs_ses *ses = tcon->ses; in SMB2_open()
2856 return -EIO; in SMB2_open()
2858 if (smb3_encryption_required(tcon)) in SMB2_open()
2866 rc = SMB2_open_init(tcon, server, in SMB2_open()
2871 trace_smb3_open_enter(xid, tcon->tid, tcon->ses->Suid, in SMB2_open()
2872 oparms->create_options, oparms->desired_access); in SMB2_open()
2880 cifs_stats_fail_inc(tcon, SMB2_CREATE_HE); in SMB2_open()
2887 trace_smb3_open_err(xid, tcon->tid, ses->Suid, in SMB2_open()
2888 oparms->create_options, oparms->desired_access, rc); in SMB2_open()
2889 if (rc == -EREMCHG) { in SMB2_open()
2891 tcon->treeName); in SMB2_open()
2892 tcon->need_reconnect = true; in SMB2_open()
2896 trace_smb3_open_done(xid, rsp->PersistentFileId, tcon->tid, in SMB2_open()
2897 ses->Suid, oparms->create_options, in SMB2_open()
2898 oparms->desired_access); in SMB2_open()
2900 atomic_inc(&tcon->num_remote_opens); in SMB2_open()
2901 oparms->fid->persistent_fid = rsp->PersistentFileId; in SMB2_open()
2902 oparms->fid->volatile_fid = rsp->VolatileFileId; in SMB2_open()
2903 oparms->fid->access = oparms->desired_access; in SMB2_open()
2905 oparms->fid->mid = le64_to_cpu(rsp->sync_hdr.MessageId); in SMB2_open()
2909 memcpy(buf, &rsp->CreationTime, 32); in SMB2_open()
2910 buf->AllocationSize = rsp->AllocationSize; in SMB2_open()
2911 buf->EndOfFile = rsp->EndofFile; in SMB2_open()
2912 buf->Attributes = rsp->FileAttributes; in SMB2_open()
2913 buf->NumberOfLinks = cpu_to_le32(1); in SMB2_open()
2914 buf->DeletePending = 0; in SMB2_open()
2918 smb2_parse_contexts(server, rsp, &oparms->fid->epoch, in SMB2_open()
2919 oparms->fid->lease_key, oplock, buf, posix); in SMB2_open()
2927 SMB2_ioctl_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_ioctl_init() argument
2934 struct kvec *iov = rqst->rq_iov; in SMB2_ioctl_init()
2939 rc = smb2_ioctl_req_init(opcode, tcon, server, in SMB2_ioctl_init()
2952 return -ENOMEM; in SMB2_ioctl_init()
2956 req->CtlCode = cpu_to_le32(opcode); in SMB2_ioctl_init()
2957 req->PersistentFileId = persistent_fid; in SMB2_ioctl_init()
2958 req->VolatileFileId = volatile_fid; in SMB2_ioctl_init()
2970 req->InputCount = cpu_to_le32(indatalen); in SMB2_ioctl_init()
2972 req->InputOffset = in SMB2_ioctl_init()
2974 rqst->rq_nvec = 2; in SMB2_ioctl_init()
2975 iov[0].iov_len = total_len - 1; in SMB2_ioctl_init()
2979 rqst->rq_nvec = 1; in SMB2_ioctl_init()
2983 req->OutputOffset = 0; in SMB2_ioctl_init()
2984 req->OutputCount = 0; /* MBZ */ in SMB2_ioctl_init()
3001 req->MaxOutputResponse = cpu_to_le32(max_response_size); in SMB2_ioctl_init()
3002 req->sync_hdr.CreditCharge = in SMB2_ioctl_init()
3006 req->Flags = cpu_to_le32(SMB2_0_IOCTL_IS_FSCTL); in SMB2_ioctl_init()
3008 /* validate negotiate request must be signed - see MS-SMB2 3.2.5.5 */ in SMB2_ioctl_init()
3010 req->sync_hdr.Flags |= SMB2_FLAGS_SIGNED; in SMB2_ioctl_init()
3019 if (rqst && rqst->rq_iov) { in SMB2_ioctl_free()
3020 cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_ioctl_free()
3021 for (i = 1; i < rqst->rq_nvec; i++) in SMB2_ioctl_free()
3022 if (rqst->rq_iov[i].iov_base != smb2_padding) in SMB2_ioctl_free()
3023 kfree(rqst->rq_iov[i].iov_base); in SMB2_ioctl_free()
3032 SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, in SMB2_ioctl() argument
3056 if (!tcon) in SMB2_ioctl()
3057 return -EIO; in SMB2_ioctl()
3059 ses = tcon->ses; in SMB2_ioctl()
3061 return -EIO; in SMB2_ioctl()
3065 return -EIO; in SMB2_ioctl()
3067 if (smb3_encryption_required(tcon)) in SMB2_ioctl()
3075 rc = SMB2_ioctl_init(tcon, server, in SMB2_ioctl()
3087 trace_smb3_fsctl_err(xid, persistent_fid, tcon->tid, in SMB2_ioctl()
3088 ses->Suid, 0, opcode, rc); in SMB2_ioctl()
3090 if ((rc != 0) && (rc != -EINVAL) && (rc != -E2BIG)) { in SMB2_ioctl()
3091 cifs_stats_fail_inc(tcon, SMB2_IOCTL_HE); in SMB2_ioctl()
3093 } else if (rc == -EINVAL) { in SMB2_ioctl()
3096 cifs_stats_fail_inc(tcon, SMB2_IOCTL_HE); in SMB2_ioctl()
3099 } else if (rc == -E2BIG) { in SMB2_ioctl()
3101 cifs_stats_fail_inc(tcon, SMB2_IOCTL_HE); in SMB2_ioctl()
3110 *plen = le32_to_cpu(rsp->OutputCount); in SMB2_ioctl()
3118 rc = -EIO; in SMB2_ioctl()
3122 if (rsp_iov.iov_len - *plen < le32_to_cpu(rsp->OutputOffset)) { in SMB2_ioctl()
3124 le32_to_cpu(rsp->OutputOffset)); in SMB2_ioctl()
3126 rc = -EIO; in SMB2_ioctl()
3130 *out_data = kmemdup((char *)rsp + le32_to_cpu(rsp->OutputOffset), in SMB2_ioctl()
3133 rc = -ENOMEM; in SMB2_ioctl()
3148 SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_set_compression() argument
3158 rc = SMB2_ioctl(xid, tcon, persistent_fid, volatile_fid, in SMB2_set_compression()
3170 SMB2_close_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_close_init() argument
3175 struct kvec *iov = rqst->rq_iov; in SMB2_close_init()
3179 rc = smb2_plain_req_init(SMB2_CLOSE, tcon, server, in SMB2_close_init()
3184 req->PersistentFileId = persistent_fid; in SMB2_close_init()
3185 req->VolatileFileId = volatile_fid; in SMB2_close_init()
3187 req->Flags = SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB; in SMB2_close_init()
3189 req->Flags = 0; in SMB2_close_init()
3199 if (rqst && rqst->rq_iov) in SMB2_close_free()
3200 cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_close_free()
3204 __SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, in __SMB2_close() argument
3210 struct cifs_ses *ses = tcon->ses; in __SMB2_close()
3222 return -EIO; in __SMB2_close()
3224 if (smb3_encryption_required(tcon)) in __SMB2_close()
3236 trace_smb3_close_enter(xid, persistent_fid, tcon->tid, ses->Suid); in __SMB2_close()
3237 rc = SMB2_close_init(tcon, server, in __SMB2_close()
3248 cifs_stats_fail_inc(tcon, SMB2_CLOSE_HE); in __SMB2_close()
3249 trace_smb3_close_err(xid, persistent_fid, tcon->tid, ses->Suid, in __SMB2_close()
3253 trace_smb3_close_done(xid, persistent_fid, tcon->tid, in __SMB2_close()
3254 ses->Suid); in __SMB2_close()
3260 memcpy(pbuf, (char *)&rsp->CreationTime, sizeof(*pbuf) - 4); in __SMB2_close()
3263 atomic_dec(&tcon->num_remote_opens); in __SMB2_close()
3272 tmp_rc = smb2_handle_cancelled_close(tcon, persistent_fid, in __SMB2_close()
3282 SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_close() argument
3285 return __SMB2_close(xid, tcon, persistent_fid, volatile_fid, NULL); in SMB2_close()
3292 unsigned int smb_len = iov->iov_len; in smb2_validate_iov()
3293 char *end_of_smb = smb_len + (char *)iov->iov_base; in smb2_validate_iov()
3294 char *begin_of_buf = offset + (char *)iov->iov_base; in smb2_validate_iov()
3301 return -EINVAL; in smb2_validate_iov()
3308 return -EINVAL; in smb2_validate_iov()
3313 return -EINVAL; in smb2_validate_iov()
3328 char *begin_of_buf = offset + (char *)iov->iov_base; in smb2_validate_and_copy_iov()
3332 return -EINVAL; in smb2_validate_and_copy_iov()
3344 SMB2_query_info_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_query_info_init() argument
3351 struct kvec *iov = rqst->rq_iov; in SMB2_query_info_init()
3358 return -EINVAL; in SMB2_query_info_init()
3360 rc = smb2_plain_req_init(SMB2_QUERY_INFO, tcon, server, in SMB2_query_info_init()
3365 req->InfoType = info_type; in SMB2_query_info_init()
3366 req->FileInfoClass = info_class; in SMB2_query_info_init()
3367 req->PersistentFileId = persistent_fid; in SMB2_query_info_init()
3368 req->VolatileFileId = volatile_fid; in SMB2_query_info_init()
3369 req->AdditionalInformation = cpu_to_le32(additional_info); in SMB2_query_info_init()
3371 req->OutputBufferLength = cpu_to_le32(output_len); in SMB2_query_info_init()
3373 req->InputBufferLength = cpu_to_le32(input_len); in SMB2_query_info_init()
3375 req->InputBufferOffset = cpu_to_le16(total_len - 1); in SMB2_query_info_init()
3376 memcpy(req->Buffer, input, input_len); in SMB2_query_info_init()
3388 if (rqst && rqst->rq_iov) in SMB2_query_info_free()
3389 cifs_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_query_info_free()
3393 query_info(const unsigned int xid, struct cifs_tcon *tcon, in query_info() argument
3404 struct cifs_ses *ses = tcon->ses; in query_info()
3412 return -EIO; in query_info()
3415 return -EIO; in query_info()
3417 if (smb3_encryption_required(tcon)) in query_info()
3425 rc = SMB2_query_info_init(tcon, server, in query_info()
3432 trace_smb3_query_info_enter(xid, persistent_fid, tcon->tid, in query_info()
3433 ses->Suid, info_class, (__u32)info_type); in query_info()
3440 cifs_stats_fail_inc(tcon, SMB2_QUERY_INFO_HE); in query_info()
3441 trace_smb3_query_info_err(xid, persistent_fid, tcon->tid, in query_info()
3442 ses->Suid, info_class, (__u32)info_type, rc); in query_info()
3446 trace_smb3_query_info_done(xid, persistent_fid, tcon->tid, in query_info()
3447 ses->Suid, info_class, (__u32)info_type); in query_info()
3450 *dlen = le32_to_cpu(rsp->OutputBufferLength); in query_info()
3458 rc = -ENOMEM; in query_info()
3465 rc = smb2_validate_and_copy_iov(le16_to_cpu(rsp->OutputBufferOffset), in query_info()
3466 le32_to_cpu(rsp->OutputBufferLength), in query_info()
3480 int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_query_info() argument
3483 return query_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_query_info()
3491 SMB311_posix_query_info(const unsigned int xid, struct cifs_tcon *tcon, in SMB311_posix_query_info() argument
3498 return query_info(xid, tcon, persistent_fid, volatile_fid, in SMB311_posix_query_info()
3504 SMB2_query_acl(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_query_acl() argument
3511 return query_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_query_acl()
3517 SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_get_srv_num() argument
3520 return query_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_get_srv_num()
3529 * See MS-SMB2 2.2.35 and 2.2.36
3534 struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_notify_init() argument
3539 struct kvec *iov = rqst->rq_iov; in SMB2_notify_init()
3543 rc = smb2_plain_req_init(SMB2_CHANGE_NOTIFY, tcon, server, in SMB2_notify_init()
3548 req->PersistentFileId = persistent_fid; in SMB2_notify_init()
3549 req->VolatileFileId = volatile_fid; in SMB2_notify_init()
3550 /* See note 354 of MS-SMB2, 64K max */ in SMB2_notify_init()
3551 req->OutputBufferLength = in SMB2_notify_init()
3552 cpu_to_le32(SMB2_MAX_BUFFER_SIZE - MAX_SMB2_HDR_SIZE); in SMB2_notify_init()
3553 req->CompletionFilter = cpu_to_le32(completion_filter); in SMB2_notify_init()
3555 req->Flags = cpu_to_le16(SMB2_WATCH_TREE); in SMB2_notify_init()
3557 req->Flags = 0; in SMB2_notify_init()
3566 SMB2_change_notify(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_change_notify() argument
3570 struct cifs_ses *ses = tcon->ses; in SMB2_change_notify()
3581 return -EIO; in SMB2_change_notify()
3583 if (smb3_encryption_required(tcon)) in SMB2_change_notify()
3591 rc = SMB2_notify_init(xid, &rqst, tcon, server, in SMB2_change_notify()
3597 trace_smb3_notify_enter(xid, persistent_fid, tcon->tid, ses->Suid, in SMB2_change_notify()
3603 cifs_stats_fail_inc(tcon, SMB2_CHANGE_NOTIFY_HE); in SMB2_change_notify()
3604 trace_smb3_notify_err(xid, persistent_fid, tcon->tid, ses->Suid, in SMB2_change_notify()
3607 trace_smb3_notify_done(xid, persistent_fid, tcon->tid, in SMB2_change_notify()
3608 ses->Suid, (u8)watch_tree, completion_filter); in SMB2_change_notify()
3620 * This is a no-op for now. We're not really interested in the reply, but
3621 * rather in the fact that the server sent one and that server->lstrp
3629 struct TCP_Server_Info *server = mid->callback_data; in smb2_echo_callback()
3630 struct smb2_echo_rsp *rsp = (struct smb2_echo_rsp *)mid->resp_buf; in smb2_echo_callback()
3633 if (mid->mid_state == MID_RESPONSE_RECEIVED in smb2_echo_callback()
3634 || mid->mid_state == MID_RESPONSE_MALFORMED) { in smb2_echo_callback()
3635 credits.value = le16_to_cpu(rsp->sync_hdr.CreditRequest); in smb2_echo_callback()
3636 credits.instance = server->reconnect_instance; in smb2_echo_callback()
3648 struct cifs_tcon *tcon, *tcon2; in smb2_reconnect_server() local
3655 /* Prevent simultaneous reconnects that can corrupt tcon->rlist list */ in smb2_reconnect_server()
3656 mutex_lock(&server->reconnect_mutex); in smb2_reconnect_server()
3662 list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) { in smb2_reconnect_server()
3663 list_for_each_entry(tcon, &ses->tcon_list, tcon_list) { in smb2_reconnect_server()
3664 if (tcon->need_reconnect || tcon->need_reopen_files) { in smb2_reconnect_server()
3665 tcon->tc_count++; in smb2_reconnect_server()
3666 list_add_tail(&tcon->rlist, &tmp_list); in smb2_reconnect_server()
3674 if (ses->tcon_ipc && ses->tcon_ipc->need_reconnect) { in smb2_reconnect_server()
3675 list_add_tail(&ses->tcon_ipc->rlist, &tmp_list); in smb2_reconnect_server()
3677 ses->ses_count++; in smb2_reconnect_server()
3685 server->srv_count++; in smb2_reconnect_server()
3689 list_for_each_entry_safe(tcon, tcon2, &tmp_list, rlist) { in smb2_reconnect_server()
3690 rc = smb2_reconnect(SMB2_INTERNAL_CMD, tcon, server); in smb2_reconnect_server()
3692 cifs_reopen_persistent_handles(tcon); in smb2_reconnect_server()
3695 list_del_init(&tcon->rlist); in smb2_reconnect_server()
3696 if (tcon->ipc) in smb2_reconnect_server()
3697 cifs_put_smb_ses(tcon->ses); in smb2_reconnect_server()
3699 cifs_put_tcon(tcon); in smb2_reconnect_server()
3704 queue_delayed_work(cifsiod_wq, &server->reconnect, 2 * HZ); in smb2_reconnect_server()
3705 mutex_unlock(&server->reconnect_mutex); in smb2_reconnect_server()
3724 if (server->tcpStatus == CifsNeedNegotiate) { in SMB2_echo()
3726 mod_delayed_work(cifsiod_wq, &server->reconnect, 0); in SMB2_echo()
3735 req->sync_hdr.CreditRequest = cpu_to_le16(1); in SMB2_echo()
3752 if (rqst && rqst->rq_iov) in SMB2_flush_free()
3753 cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_flush_free()
3758 struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_flush_init() argument
3762 struct kvec *iov = rqst->rq_iov; in SMB2_flush_init()
3766 rc = smb2_plain_req_init(SMB2_FLUSH, tcon, server, in SMB2_flush_init()
3771 req->PersistentFileId = persistent_fid; in SMB2_flush_init()
3772 req->VolatileFileId = volatile_fid; in SMB2_flush_init()
3781 SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, in SMB2_flush() argument
3784 struct cifs_ses *ses = tcon->ses; in SMB2_flush()
3794 if (!ses || !(ses->server)) in SMB2_flush()
3795 return -EIO; in SMB2_flush()
3797 if (smb3_encryption_required(tcon)) in SMB2_flush()
3805 rc = SMB2_flush_init(xid, &rqst, tcon, server, in SMB2_flush()
3810 trace_smb3_flush_enter(xid, persistent_fid, tcon->tid, ses->Suid); in SMB2_flush()
3815 cifs_stats_fail_inc(tcon, SMB2_FLUSH_HE); in SMB2_flush()
3816 trace_smb3_flush_err(xid, persistent_fid, tcon->tid, ses->Suid, in SMB2_flush()
3819 trace_smb3_flush_done(xid, persistent_fid, tcon->tid, in SMB2_flush()
3820 ses->Suid); in SMB2_flush()
3837 int rc = -EACCES; in smb2_new_read_req()
3840 struct TCP_Server_Info *server = io_parms->server; in smb2_new_read_req()
3842 rc = smb2_plain_req_init(SMB2_READ, io_parms->tcon, server, in smb2_new_read_req()
3848 return -ECONNABORTED; in smb2_new_read_req()
3850 shdr = &req->sync_hdr; in smb2_new_read_req()
3851 shdr->ProcessId = cpu_to_le32(io_parms->pid); in smb2_new_read_req()
3853 req->PersistentFileId = io_parms->persistent_fid; in smb2_new_read_req()
3854 req->VolatileFileId = io_parms->volatile_fid; in smb2_new_read_req()
3855 req->ReadChannelInfoOffset = 0; /* reserved */ in smb2_new_read_req()
3856 req->ReadChannelInfoLength = 0; /* reserved */ in smb2_new_read_req()
3857 req->Channel = 0; /* reserved */ in smb2_new_read_req()
3858 req->MinimumCount = 0; in smb2_new_read_req()
3859 req->Length = cpu_to_le32(io_parms->length); in smb2_new_read_req()
3860 req->Offset = cpu_to_le64(io_parms->offset); in smb2_new_read_req()
3863 io_parms->persistent_fid, in smb2_new_read_req()
3864 io_parms->tcon->tid, io_parms->tcon->ses->Suid, in smb2_new_read_req()
3865 io_parms->offset, io_parms->length); in smb2_new_read_req()
3871 if (server->rdma && rdata && !server->sign && in smb2_new_read_req()
3872 rdata->bytes >= server->smbd_conn->rdma_readwrite_threshold) { in smb2_new_read_req()
3875 bool need_invalidate = server->dialect == SMB30_PROT_ID; in smb2_new_read_req()
3877 rdata->mr = smbd_register_mr( in smb2_new_read_req()
3878 server->smbd_conn, rdata->pages, in smb2_new_read_req()
3879 rdata->nr_pages, rdata->page_offset, in smb2_new_read_req()
3880 rdata->tailsz, true, need_invalidate); in smb2_new_read_req()
3881 if (!rdata->mr) in smb2_new_read_req()
3882 return -EAGAIN; in smb2_new_read_req()
3884 req->Channel = SMB2_CHANNEL_RDMA_V1_INVALIDATE; in smb2_new_read_req()
3886 req->Channel = SMB2_CHANNEL_RDMA_V1; in smb2_new_read_req()
3887 req->ReadChannelInfoOffset = in smb2_new_read_req()
3889 req->ReadChannelInfoLength = in smb2_new_read_req()
3891 v1 = (struct smbd_buffer_descriptor_v1 *) &req->Buffer[0]; in smb2_new_read_req()
3892 v1->offset = cpu_to_le64(rdata->mr->mr->iova); in smb2_new_read_req()
3893 v1->token = cpu_to_le32(rdata->mr->mr->rkey); in smb2_new_read_req()
3894 v1->length = cpu_to_le32(rdata->mr->mr->length); in smb2_new_read_req()
3896 *total_len += sizeof(*v1) - 1; in smb2_new_read_req()
3901 /* next 8-byte aligned request */ in smb2_new_read_req()
3903 shdr->NextCommand = cpu_to_le32(*total_len); in smb2_new_read_req()
3905 shdr->NextCommand = 0; in smb2_new_read_req()
3907 shdr->Flags |= SMB2_FLAGS_RELATED_OPERATIONS; in smb2_new_read_req()
3912 shdr->SessionId = 0xFFFFFFFFFFFFFFFF; in smb2_new_read_req()
3913 shdr->TreeId = 0xFFFFFFFF; in smb2_new_read_req()
3914 req->PersistentFileId = 0xFFFFFFFFFFFFFFFF; in smb2_new_read_req()
3915 req->VolatileFileId = 0xFFFFFFFFFFFFFFFF; in smb2_new_read_req()
3918 if (remaining_bytes > io_parms->length) in smb2_new_read_req()
3919 req->RemainingBytes = cpu_to_le32(remaining_bytes); in smb2_new_read_req()
3921 req->RemainingBytes = 0; in smb2_new_read_req()
3930 struct cifs_readdata *rdata = mid->callback_data; in smb2_readv_callback()
3931 struct cifs_tcon *tcon = tlink_tcon(rdata->cfile->tlink); in smb2_readv_callback() local
3932 struct TCP_Server_Info *server = rdata->server; in smb2_readv_callback()
3934 (struct smb2_sync_hdr *)rdata->iov[0].iov_base; in smb2_readv_callback()
3936 struct smb_rqst rqst = { .rq_iov = &rdata->iov[1], in smb2_readv_callback()
3939 if (rdata->got_bytes) { in smb2_readv_callback()
3940 rqst.rq_pages = rdata->pages; in smb2_readv_callback()
3941 rqst.rq_offset = rdata->page_offset; in smb2_readv_callback()
3942 rqst.rq_npages = rdata->nr_pages; in smb2_readv_callback()
3943 rqst.rq_pagesz = rdata->pagesz; in smb2_readv_callback()
3944 rqst.rq_tailsz = rdata->tailsz; in smb2_readv_callback()
3947 WARN_ONCE(rdata->server != mid->server, in smb2_readv_callback()
3949 rdata->server, mid->server); in smb2_readv_callback()
3952 __func__, mid->mid, mid->mid_state, rdata->result, in smb2_readv_callback()
3953 rdata->bytes); in smb2_readv_callback()
3955 switch (mid->mid_state) { in smb2_readv_callback()
3957 credits.value = le16_to_cpu(shdr->CreditRequest); in smb2_readv_callback()
3958 credits.instance = server->reconnect_instance; in smb2_readv_callback()
3960 if (server->sign && !mid->decrypted) { in smb2_readv_callback()
3969 task_io_account_read(rdata->got_bytes); in smb2_readv_callback()
3970 cifs_stats_bytes_read(tcon, rdata->got_bytes); in smb2_readv_callback()
3974 rdata->result = -EAGAIN; in smb2_readv_callback()
3975 if (server->sign && rdata->got_bytes) in smb2_readv_callback()
3977 rdata->got_bytes = 0; in smb2_readv_callback()
3979 task_io_account_read(rdata->got_bytes); in smb2_readv_callback()
3980 cifs_stats_bytes_read(tcon, rdata->got_bytes); in smb2_readv_callback()
3983 credits.value = le16_to_cpu(shdr->CreditRequest); in smb2_readv_callback()
3984 credits.instance = server->reconnect_instance; in smb2_readv_callback()
3987 rdata->result = -EIO; in smb2_readv_callback()
3995 if (rdata->mr) { in smb2_readv_callback()
3996 smbd_deregister_mr(rdata->mr); in smb2_readv_callback()
3997 rdata->mr = NULL; in smb2_readv_callback()
4000 if (rdata->result && rdata->result != -ENODATA) { in smb2_readv_callback()
4001 cifs_stats_fail_inc(tcon, SMB2_READ_HE); in smb2_readv_callback()
4003 rdata->cfile->fid.persistent_fid, in smb2_readv_callback()
4004 tcon->tid, tcon->ses->Suid, rdata->offset, in smb2_readv_callback()
4005 rdata->bytes, rdata->result); in smb2_readv_callback()
4008 rdata->cfile->fid.persistent_fid, in smb2_readv_callback()
4009 tcon->tid, tcon->ses->Suid, in smb2_readv_callback()
4010 rdata->offset, rdata->got_bytes); in smb2_readv_callback()
4012 queue_work(cifsiod_wq, &rdata->work); in smb2_readv_callback()
4017 /* smb2_async_readv - send an async read, and set up mid to handle result */
4025 struct smb_rqst rqst = { .rq_iov = rdata->iov, in smb2_async_readv()
4028 struct cifs_tcon *tcon = tlink_tcon(rdata->cfile->tlink); in smb2_async_readv() local
4032 __func__, rdata->offset, rdata->bytes); in smb2_async_readv()
4034 if (!rdata->server) in smb2_async_readv()
4035 rdata->server = cifs_pick_channel(tcon->ses); in smb2_async_readv()
4037 io_parms.tcon = tlink_tcon(rdata->cfile->tlink); in smb2_async_readv()
4038 io_parms.server = server = rdata->server; in smb2_async_readv()
4039 io_parms.offset = rdata->offset; in smb2_async_readv()
4040 io_parms.length = rdata->bytes; in smb2_async_readv()
4041 io_parms.persistent_fid = rdata->cfile->fid.persistent_fid; in smb2_async_readv()
4042 io_parms.volatile_fid = rdata->cfile->fid.volatile_fid; in smb2_async_readv()
4043 io_parms.pid = rdata->pid; in smb2_async_readv()
4050 if (smb3_encryption_required(io_parms.tcon)) in smb2_async_readv()
4053 rdata->iov[0].iov_base = buf; in smb2_async_readv()
4054 rdata->iov[0].iov_len = total_len; in smb2_async_readv()
4058 if (rdata->credits.value > 0) { in smb2_async_readv()
4059 shdr->CreditCharge = cpu_to_le16(DIV_ROUND_UP(rdata->bytes, in smb2_async_readv()
4061 shdr->CreditRequest = cpu_to_le16(le16_to_cpu(shdr->CreditCharge) + 8); in smb2_async_readv()
4063 rc = adjust_credits(server, &rdata->credits, rdata->bytes); in smb2_async_readv()
4070 kref_get(&rdata->refcount); in smb2_async_readv()
4074 &rdata->credits); in smb2_async_readv()
4076 kref_put(&rdata->refcount, cifs_readdata_release); in smb2_async_readv()
4077 cifs_stats_fail_inc(io_parms.tcon, SMB2_READ_HE); in smb2_async_readv()
4079 io_parms.tcon->tid, in smb2_async_readv()
4080 io_parms.tcon->ses->Suid, in smb2_async_readv()
4101 struct cifs_ses *ses = io_parms->tcon->ses; in SMB2_read()
4103 if (!io_parms->server) in SMB2_read()
4104 io_parms->server = cifs_pick_channel(io_parms->tcon->ses); in SMB2_read()
4111 if (smb3_encryption_required(io_parms->tcon)) in SMB2_read()
4121 rc = cifs_send_recv(xid, ses, io_parms->server, in SMB2_read()
4126 if (rc != -ENODATA) { in SMB2_read()
4127 cifs_stats_fail_inc(io_parms->tcon, SMB2_READ_HE); in SMB2_read()
4129 trace_smb3_read_err(xid, req->PersistentFileId, in SMB2_read()
4130 io_parms->tcon->tid, ses->Suid, in SMB2_read()
4131 io_parms->offset, io_parms->length, in SMB2_read()
4134 trace_smb3_read_done(xid, req->PersistentFileId, in SMB2_read()
4135 io_parms->tcon->tid, ses->Suid, in SMB2_read()
4136 io_parms->offset, 0); in SMB2_read()
4139 return rc == -ENODATA ? 0 : rc; in SMB2_read()
4141 trace_smb3_read_done(xid, req->PersistentFileId, in SMB2_read()
4142 io_parms->tcon->tid, ses->Suid, in SMB2_read()
4143 io_parms->offset, io_parms->length); in SMB2_read()
4147 *nbytes = le32_to_cpu(rsp->DataLength); in SMB2_read()
4149 (*nbytes > io_parms->length)) { in SMB2_read()
4151 *nbytes, io_parms->length); in SMB2_read()
4152 rc = -EIO; in SMB2_read()
4157 memcpy(*buf, (char *)rsp + rsp->DataOffset, *nbytes); in SMB2_read()
4176 struct cifs_writedata *wdata = mid->callback_data; in smb2_writev_callback()
4177 struct cifs_tcon *tcon = tlink_tcon(wdata->cfile->tlink); in smb2_writev_callback() local
4178 struct TCP_Server_Info *server = wdata->server; in smb2_writev_callback()
4180 struct smb2_write_rsp *rsp = (struct smb2_write_rsp *)mid->resp_buf; in smb2_writev_callback()
4183 WARN_ONCE(wdata->server != mid->server, in smb2_writev_callback()
4185 wdata->server, mid->server); in smb2_writev_callback()
4187 switch (mid->mid_state) { in smb2_writev_callback()
4189 credits.value = le16_to_cpu(rsp->sync_hdr.CreditRequest); in smb2_writev_callback()
4190 credits.instance = server->reconnect_instance; in smb2_writev_callback()
4191 wdata->result = smb2_check_receive(mid, server, 0); in smb2_writev_callback()
4192 if (wdata->result != 0) in smb2_writev_callback()
4195 written = le32_to_cpu(rsp->DataLength); in smb2_writev_callback()
4202 if (written > wdata->bytes) in smb2_writev_callback()
4205 if (written < wdata->bytes) in smb2_writev_callback()
4206 wdata->result = -ENOSPC; in smb2_writev_callback()
4208 wdata->bytes = written; in smb2_writev_callback()
4212 wdata->result = -EAGAIN; in smb2_writev_callback()
4215 credits.value = le16_to_cpu(rsp->sync_hdr.CreditRequest); in smb2_writev_callback()
4216 credits.instance = server->reconnect_instance; in smb2_writev_callback()
4219 wdata->result = -EIO; in smb2_writev_callback()
4230 if (wdata->mr) { in smb2_writev_callback()
4231 smbd_deregister_mr(wdata->mr); in smb2_writev_callback()
4232 wdata->mr = NULL; in smb2_writev_callback()
4235 if (wdata->result) { in smb2_writev_callback()
4236 cifs_stats_fail_inc(tcon, SMB2_WRITE_HE); in smb2_writev_callback()
4238 wdata->cfile->fid.persistent_fid, in smb2_writev_callback()
4239 tcon->tid, tcon->ses->Suid, wdata->offset, in smb2_writev_callback()
4240 wdata->bytes, wdata->result); in smb2_writev_callback()
4241 if (wdata->result == -ENOSPC) in smb2_writev_callback()
4243 tcon->treeName); in smb2_writev_callback()
4246 wdata->cfile->fid.persistent_fid, in smb2_writev_callback()
4247 tcon->tid, tcon->ses->Suid, in smb2_writev_callback()
4248 wdata->offset, wdata->bytes); in smb2_writev_callback()
4250 queue_work(cifsiod_wq, &wdata->work); in smb2_writev_callback()
4255 /* smb2_async_writev - send an async write, and set up mid to handle result */
4260 int rc = -EACCES, flags = 0; in smb2_async_writev()
4263 struct cifs_tcon *tcon = tlink_tcon(wdata->cfile->tlink); in smb2_async_writev() local
4264 struct TCP_Server_Info *server = wdata->server; in smb2_async_writev()
4269 if (!wdata->server) in smb2_async_writev()
4270 server = wdata->server = cifs_pick_channel(tcon->ses); in smb2_async_writev()
4272 rc = smb2_plain_req_init(SMB2_WRITE, tcon, server, in smb2_async_writev()
4277 if (smb3_encryption_required(tcon)) in smb2_async_writev()
4281 shdr->ProcessId = cpu_to_le32(wdata->cfile->pid); in smb2_async_writev()
4283 req->PersistentFileId = wdata->cfile->fid.persistent_fid; in smb2_async_writev()
4284 req->VolatileFileId = wdata->cfile->fid.volatile_fid; in smb2_async_writev()
4285 req->WriteChannelInfoOffset = 0; in smb2_async_writev()
4286 req->WriteChannelInfoLength = 0; in smb2_async_writev()
4287 req->Channel = 0; in smb2_async_writev()
4288 req->Offset = cpu_to_le64(wdata->offset); in smb2_async_writev()
4289 req->DataOffset = cpu_to_le16( in smb2_async_writev()
4291 req->RemainingBytes = 0; in smb2_async_writev()
4293 trace_smb3_write_enter(0 /* xid */, wdata->cfile->fid.persistent_fid, in smb2_async_writev()
4294 tcon->tid, tcon->ses->Suid, wdata->offset, wdata->bytes); in smb2_async_writev()
4300 if (server->rdma && !server->sign && wdata->bytes >= in smb2_async_writev()
4301 server->smbd_conn->rdma_readwrite_threshold) { in smb2_async_writev()
4304 bool need_invalidate = server->dialect == SMB30_PROT_ID; in smb2_async_writev()
4306 wdata->mr = smbd_register_mr( in smb2_async_writev()
4307 server->smbd_conn, wdata->pages, in smb2_async_writev()
4308 wdata->nr_pages, wdata->page_offset, in smb2_async_writev()
4309 wdata->tailsz, false, need_invalidate); in smb2_async_writev()
4310 if (!wdata->mr) { in smb2_async_writev()
4311 rc = -EAGAIN; in smb2_async_writev()
4314 req->Length = 0; in smb2_async_writev()
4315 req->DataOffset = 0; in smb2_async_writev()
4316 if (wdata->nr_pages > 1) in smb2_async_writev()
4317 req->RemainingBytes = in smb2_async_writev()
4319 (wdata->nr_pages - 1) * wdata->pagesz - in smb2_async_writev()
4320 wdata->page_offset + wdata->tailsz in smb2_async_writev()
4323 req->RemainingBytes = cpu_to_le32(wdata->tailsz); in smb2_async_writev()
4324 req->Channel = SMB2_CHANNEL_RDMA_V1_INVALIDATE; in smb2_async_writev()
4326 req->Channel = SMB2_CHANNEL_RDMA_V1; in smb2_async_writev()
4327 req->WriteChannelInfoOffset = in smb2_async_writev()
4329 req->WriteChannelInfoLength = in smb2_async_writev()
4331 v1 = (struct smbd_buffer_descriptor_v1 *) &req->Buffer[0]; in smb2_async_writev()
4332 v1->offset = cpu_to_le64(wdata->mr->mr->iova); in smb2_async_writev()
4333 v1->token = cpu_to_le32(wdata->mr->mr->rkey); in smb2_async_writev()
4334 v1->length = cpu_to_le32(wdata->mr->mr->length); in smb2_async_writev()
4337 iov[0].iov_len = total_len - 1; in smb2_async_writev()
4342 rqst.rq_pages = wdata->pages; in smb2_async_writev()
4343 rqst.rq_offset = wdata->page_offset; in smb2_async_writev()
4344 rqst.rq_npages = wdata->nr_pages; in smb2_async_writev()
4345 rqst.rq_pagesz = wdata->pagesz; in smb2_async_writev()
4346 rqst.rq_tailsz = wdata->tailsz; in smb2_async_writev()
4348 if (wdata->mr) { in smb2_async_writev()
4354 wdata->offset, wdata->bytes); in smb2_async_writev()
4358 if (!wdata->mr) in smb2_async_writev()
4359 req->Length = cpu_to_le32(wdata->bytes); in smb2_async_writev()
4361 req->Length = cpu_to_le32(wdata->bytes); in smb2_async_writev()
4364 if (wdata->credits.value > 0) { in smb2_async_writev()
4365 shdr->CreditCharge = cpu_to_le16(DIV_ROUND_UP(wdata->bytes, in smb2_async_writev()
4367 shdr->CreditRequest = cpu_to_le16(le16_to_cpu(shdr->CreditCharge) + 8); in smb2_async_writev()
4369 rc = adjust_credits(server, &wdata->credits, wdata->bytes); in smb2_async_writev()
4376 kref_get(&wdata->refcount); in smb2_async_writev()
4378 wdata, flags, &wdata->credits); in smb2_async_writev()
4381 trace_smb3_write_err(0 /* no xid */, req->PersistentFileId, in smb2_async_writev()
4382 tcon->tid, tcon->ses->Suid, wdata->offset, in smb2_async_writev()
4383 wdata->bytes, rc); in smb2_async_writev()
4384 kref_put(&wdata->refcount, release); in smb2_async_writev()
4385 cifs_stats_fail_inc(tcon, SMB2_WRITE_HE); in smb2_async_writev()
4418 if (!io_parms->server) in SMB2_write()
4419 io_parms->server = cifs_pick_channel(io_parms->tcon->ses); in SMB2_write()
4420 server = io_parms->server; in SMB2_write()
4422 return -ECONNABORTED; in SMB2_write()
4424 rc = smb2_plain_req_init(SMB2_WRITE, io_parms->tcon, server, in SMB2_write()
4429 if (smb3_encryption_required(io_parms->tcon)) in SMB2_write()
4432 req->sync_hdr.ProcessId = cpu_to_le32(io_parms->pid); in SMB2_write()
4434 req->PersistentFileId = io_parms->persistent_fid; in SMB2_write()
4435 req->VolatileFileId = io_parms->volatile_fid; in SMB2_write()
4436 req->WriteChannelInfoOffset = 0; in SMB2_write()
4437 req->WriteChannelInfoLength = 0; in SMB2_write()
4438 req->Channel = 0; in SMB2_write()
4439 req->Length = cpu_to_le32(io_parms->length); in SMB2_write()
4440 req->Offset = cpu_to_le64(io_parms->offset); in SMB2_write()
4441 req->DataOffset = cpu_to_le16( in SMB2_write()
4443 req->RemainingBytes = 0; in SMB2_write()
4445 trace_smb3_write_enter(xid, io_parms->persistent_fid, in SMB2_write()
4446 io_parms->tcon->tid, io_parms->tcon->ses->Suid, in SMB2_write()
4447 io_parms->offset, io_parms->length); in SMB2_write()
4451 iov[0].iov_len = total_len - 1; in SMB2_write()
4457 rc = cifs_send_recv(xid, io_parms->tcon->ses, server, in SMB2_write()
4463 trace_smb3_write_err(xid, req->PersistentFileId, in SMB2_write()
4464 io_parms->tcon->tid, in SMB2_write()
4465 io_parms->tcon->ses->Suid, in SMB2_write()
4466 io_parms->offset, io_parms->length, rc); in SMB2_write()
4467 cifs_stats_fail_inc(io_parms->tcon, SMB2_WRITE_HE); in SMB2_write()
4470 *nbytes = le32_to_cpu(rsp->DataLength); in SMB2_write()
4471 trace_smb3_write_done(xid, req->PersistentFileId, in SMB2_write()
4472 io_parms->tcon->tid, in SMB2_write()
4473 io_parms->tcon->ses->Suid, in SMB2_write()
4474 io_parms->offset, *nbytes); in SMB2_write()
4488 return -1; in posix_info_sid_size()
4492 return -1; in posix_info_sid_size()
4496 return -1; in posix_info_sid_size()
4516 end = beg + le32_to_cpu(p->NextEntryOffset); in posix_info_parse()
4524 return -1; in posix_info_parse()
4531 return -1; in posix_info_parse()
4538 return -1; in posix_info_parse()
4543 return -1; in posix_info_parse()
4546 return -1; in posix_info_parse()
4552 return -1; in posix_info_parse()
4556 out->base = beg; in posix_info_parse()
4557 out->size = total_len; in posix_info_parse()
4558 out->name_len = name_len; in posix_info_parse()
4559 out->name = name; in posix_info_parse()
4560 memcpy(&out->owner, owner_sid, in posix_info_parse()
4562 memcpy(&out->group, group_sid, in posix_info_parse()
4573 return -1; in posix_info_extra_size()
4574 return len - sizeof(struct smb2_posix_info); in posix_info_extra_size()
4606 len = le32_to_cpu(dir_info->FileNameLength); in num_entries()
4620 next_offset = le32_to_cpu(dir_info->NextEntryOffset); in num_entries()
4632 struct cifs_tcon *tcon, in SMB2_query_directory_init() argument
4641 unsigned int output_size = CIFSMaxBufSize - in SMB2_query_directory_init()
4642 MAX_SMB2_CREATE_RESPONSE_SIZE - in SMB2_query_directory_init()
4645 struct kvec *iov = rqst->rq_iov; in SMB2_query_directory_init()
4648 rc = smb2_plain_req_init(SMB2_QUERY_DIRECTORY, tcon, server, in SMB2_query_directory_init()
4655 req->FileInformationClass = FILE_DIRECTORY_INFORMATION; in SMB2_query_directory_init()
4658 req->FileInformationClass = FILEID_FULL_DIRECTORY_INFORMATION; in SMB2_query_directory_init()
4661 req->FileInformationClass = SMB_FIND_FILE_POSIX_INFO; in SMB2_query_directory_init()
4666 return -EINVAL; in SMB2_query_directory_init()
4669 req->FileIndex = cpu_to_le32(index); in SMB2_query_directory_init()
4670 req->PersistentFileId = persistent_fid; in SMB2_query_directory_init()
4671 req->VolatileFileId = volatile_fid; in SMB2_query_directory_init()
4674 bufptr = req->Buffer; in SMB2_query_directory_init()
4677 req->FileNameOffset = in SMB2_query_directory_init()
4679 req->FileNameLength = cpu_to_le16(len); in SMB2_query_directory_init()
4684 output_size = min_t(unsigned int, output_size, server->maxBuf); in SMB2_query_directory_init()
4686 req->OutputBufferLength = cpu_to_le32(output_size); in SMB2_query_directory_init()
4690 iov[0].iov_len = total_len - 1; in SMB2_query_directory_init()
4692 iov[1].iov_base = (char *)(req->Buffer); in SMB2_query_directory_init()
4695 trace_smb3_query_dir_enter(xid, persistent_fid, tcon->tid, in SMB2_query_directory_init()
4696 tcon->ses->Suid, index, output_size); in SMB2_query_directory_init()
4703 if (rqst && rqst->rq_iov) { in SMB2_query_directory_free()
4704 cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_query_directory_free()
4709 smb2_parse_query_directory(struct cifs_tcon *tcon, in smb2_parse_query_directory() argument
4719 rsp = (struct smb2_query_directory_rsp *)rsp_iov->iov_base; in smb2_parse_query_directory()
4721 switch (srch_inf->info_level) { in smb2_parse_query_directory()
4723 info_buf_size = sizeof(FILE_DIRECTORY_INFO) - 1; in smb2_parse_query_directory()
4726 info_buf_size = sizeof(SEARCH_ID_FULL_DIR_INFO) - 1; in smb2_parse_query_directory()
4734 srch_inf->info_level); in smb2_parse_query_directory()
4735 return -EINVAL; in smb2_parse_query_directory()
4738 rc = smb2_validate_iov(le16_to_cpu(rsp->OutputBufferOffset), in smb2_parse_query_directory()
4739 le32_to_cpu(rsp->OutputBufferLength), rsp_iov, in smb2_parse_query_directory()
4746 srch_inf->unicode = true; in smb2_parse_query_directory()
4748 if (srch_inf->ntwrk_buf_start) { in smb2_parse_query_directory()
4749 if (srch_inf->smallBuf) in smb2_parse_query_directory()
4750 cifs_small_buf_release(srch_inf->ntwrk_buf_start); in smb2_parse_query_directory()
4752 cifs_buf_release(srch_inf->ntwrk_buf_start); in smb2_parse_query_directory()
4754 srch_inf->ntwrk_buf_start = (char *)rsp; in smb2_parse_query_directory()
4755 srch_inf->srch_entries_start = srch_inf->last_entry = in smb2_parse_query_directory()
4756 (char *)rsp + le16_to_cpu(rsp->OutputBufferOffset); in smb2_parse_query_directory()
4757 end_of_smb = rsp_iov->iov_len + (char *)rsp; in smb2_parse_query_directory()
4759 srch_inf->entries_in_buffer = num_entries( in smb2_parse_query_directory()
4760 srch_inf->info_level, in smb2_parse_query_directory()
4761 srch_inf->srch_entries_start, in smb2_parse_query_directory()
4763 &srch_inf->last_entry, in smb2_parse_query_directory()
4766 srch_inf->index_of_last_entry += srch_inf->entries_in_buffer; in smb2_parse_query_directory()
4768 srch_inf->entries_in_buffer, srch_inf->index_of_last_entry, in smb2_parse_query_directory()
4769 srch_inf->srch_entries_start, srch_inf->last_entry); in smb2_parse_query_directory()
4771 srch_inf->smallBuf = false; in smb2_parse_query_directory()
4773 srch_inf->smallBuf = true; in smb2_parse_query_directory()
4781 SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_query_directory() argument
4791 struct cifs_ses *ses = tcon->ses; in SMB2_query_directory()
4795 if (!ses || !(ses->server)) in SMB2_query_directory()
4796 return -EIO; in SMB2_query_directory()
4798 if (smb3_encryption_required(tcon)) in SMB2_query_directory()
4806 rc = SMB2_query_directory_init(xid, tcon, server, in SMB2_query_directory()
4809 srch_inf->info_level); in SMB2_query_directory()
4818 if (rc == -ENODATA && in SMB2_query_directory()
4819 rsp->sync_hdr.Status == STATUS_NO_MORE_FILES) { in SMB2_query_directory()
4821 tcon->tid, tcon->ses->Suid, index, 0); in SMB2_query_directory()
4822 srch_inf->endOfSearch = true; in SMB2_query_directory()
4825 trace_smb3_query_dir_err(xid, persistent_fid, tcon->tid, in SMB2_query_directory()
4826 tcon->ses->Suid, index, 0, rc); in SMB2_query_directory()
4827 cifs_stats_fail_inc(tcon, SMB2_QUERY_DIRECTORY_HE); in SMB2_query_directory()
4832 rc = smb2_parse_query_directory(tcon, &rsp_iov, resp_buftype, in SMB2_query_directory()
4835 trace_smb3_query_dir_err(xid, persistent_fid, tcon->tid, in SMB2_query_directory()
4836 tcon->ses->Suid, index, 0, rc); in SMB2_query_directory()
4841 trace_smb3_query_dir_done(xid, persistent_fid, tcon->tid, in SMB2_query_directory()
4842 tcon->ses->Suid, index, srch_inf->entries_in_buffer); in SMB2_query_directory()
4851 SMB2_set_info_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, in SMB2_set_info_init() argument
4858 struct kvec *iov = rqst->rq_iov; in SMB2_set_info_init()
4862 rc = smb2_plain_req_init(SMB2_SET_INFO, tcon, server, in SMB2_set_info_init()
4867 req->sync_hdr.ProcessId = cpu_to_le32(pid); in SMB2_set_info_init()
4868 req->InfoType = info_type; in SMB2_set_info_init()
4869 req->FileInfoClass = info_class; in SMB2_set_info_init()
4870 req->PersistentFileId = persistent_fid; in SMB2_set_info_init()
4871 req->VolatileFileId = volatile_fid; in SMB2_set_info_init()
4872 req->AdditionalInformation = cpu_to_le32(additional_info); in SMB2_set_info_init()
4874 req->BufferOffset = in SMB2_set_info_init()
4876 req->BufferLength = cpu_to_le32(*size); in SMB2_set_info_init()
4878 memcpy(req->Buffer, *data, *size); in SMB2_set_info_init()
4883 iov[0].iov_len = total_len - 1; in SMB2_set_info_init()
4885 for (i = 1; i < rqst->rq_nvec; i++) { in SMB2_set_info_init()
4886 le32_add_cpu(&req->BufferLength, size[i]); in SMB2_set_info_init()
4897 if (rqst && rqst->rq_iov) in SMB2_set_info_free()
4898 cifs_buf_release(rqst->rq_iov[0].iov_base); /* request */ in SMB2_set_info_free()
4902 send_set_info(const unsigned int xid, struct cifs_tcon *tcon, in send_set_info() argument
4913 struct cifs_ses *ses = tcon->ses; in send_set_info()
4918 return -EIO; in send_set_info()
4921 return -EINVAL; in send_set_info()
4923 if (smb3_encryption_required(tcon)) in send_set_info()
4928 return -ENOMEM; in send_set_info()
4934 rc = SMB2_set_info_init(tcon, server, in send_set_info()
4951 cifs_stats_fail_inc(tcon, SMB2_SET_INFO_HE); in send_set_info()
4952 trace_smb3_set_info_err(xid, persistent_fid, tcon->tid, in send_set_info()
4953 ses->Suid, info_class, (__u32)info_type, rc); in send_set_info()
4962 SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, in SMB2_set_eof() argument
4974 return send_set_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_set_eof()
4980 SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_set_acl() argument
4984 return send_set_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_set_acl()
4985 current->tgid, 0, SMB2_O_INFO_SECURITY, aclflag, in SMB2_set_acl()
4990 SMB2_set_ea(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_set_ea() argument
4994 return send_set_info(xid, tcon, persistent_fid, volatile_fid, in SMB2_set_ea()
4995 current->tgid, FILE_FULL_EA_INFORMATION, SMB2_O_INFO_FILE, in SMB2_set_ea()
5000 SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_oplock_break() argument
5007 struct cifs_ses *ses = tcon->ses; in SMB2_oplock_break()
5016 rc = smb2_plain_req_init(SMB2_OPLOCK_BREAK, tcon, server, in SMB2_oplock_break()
5021 if (smb3_encryption_required(tcon)) in SMB2_oplock_break()
5024 req->VolatileFid = volatile_fid; in SMB2_oplock_break()
5025 req->PersistentFid = persistent_fid; in SMB2_oplock_break()
5026 req->OplockLevel = oplock_level; in SMB2_oplock_break()
5027 req->sync_hdr.CreditRequest = cpu_to_le16(1); in SMB2_oplock_break()
5043 cifs_stats_fail_inc(tcon, SMB2_OPLOCK_BREAK_HE); in SMB2_oplock_break()
5054 kst->f_bsize = le32_to_cpu(pfs_inf->BytesPerSector) * in smb2_copy_fs_info_to_kstatfs()
5055 le32_to_cpu(pfs_inf->SectorsPerAllocationUnit); in smb2_copy_fs_info_to_kstatfs()
5056 kst->f_blocks = le64_to_cpu(pfs_inf->TotalAllocationUnits); in smb2_copy_fs_info_to_kstatfs()
5057 kst->f_bfree = kst->f_bavail = in smb2_copy_fs_info_to_kstatfs()
5058 le64_to_cpu(pfs_inf->CallerAvailableAllocationUnits); in smb2_copy_fs_info_to_kstatfs()
5066 kst->f_bsize = le32_to_cpu(response_data->BlockSize); in copy_posix_fs_info_to_kstatfs()
5067 kst->f_blocks = le64_to_cpu(response_data->TotalBlocks); in copy_posix_fs_info_to_kstatfs()
5068 kst->f_bfree = le64_to_cpu(response_data->BlocksAvail); in copy_posix_fs_info_to_kstatfs()
5069 if (response_data->UserBlocksAvail == cpu_to_le64(-1)) in copy_posix_fs_info_to_kstatfs()
5070 kst->f_bavail = kst->f_bfree; in copy_posix_fs_info_to_kstatfs()
5072 kst->f_bavail = le64_to_cpu(response_data->UserBlocksAvail); in copy_posix_fs_info_to_kstatfs()
5073 if (response_data->TotalFileNodes != cpu_to_le64(-1)) in copy_posix_fs_info_to_kstatfs()
5074 kst->f_files = le64_to_cpu(response_data->TotalFileNodes); in copy_posix_fs_info_to_kstatfs()
5075 if (response_data->FreeFileNodes != cpu_to_le64(-1)) in copy_posix_fs_info_to_kstatfs()
5076 kst->f_ffree = le64_to_cpu(response_data->FreeFileNodes); in copy_posix_fs_info_to_kstatfs()
5082 build_qfs_info_req(struct kvec *iov, struct cifs_tcon *tcon, in build_qfs_info_req() argument
5093 if ((tcon->ses == NULL) || server == NULL) in build_qfs_info_req()
5094 return -EIO; in build_qfs_info_req()
5096 rc = smb2_plain_req_init(SMB2_QUERY_INFO, tcon, server, in build_qfs_info_req()
5101 req->InfoType = SMB2_O_INFO_FILESYSTEM; in build_qfs_info_req()
5102 req->FileInfoClass = level; in build_qfs_info_req()
5103 req->PersistentFileId = persistent_fid; in build_qfs_info_req()
5104 req->VolatileFileId = volatile_fid; in build_qfs_info_req()
5106 req->InputBufferOffset = in build_qfs_info_req()
5108 req->OutputBufferLength = cpu_to_le32( in build_qfs_info_req()
5111 iov->iov_base = (char *)req; in build_qfs_info_req()
5112 iov->iov_len = total_len; in build_qfs_info_req()
5118 cifs_buf_release(iov->iov_base); in free_qfs_info_req()
5122 SMB311_posix_qfs_info(const unsigned int xid, struct cifs_tcon *tcon, in SMB311_posix_qfs_info() argument
5131 struct cifs_ses *ses = tcon->ses; in SMB311_posix_qfs_info()
5136 rc = build_qfs_info_req(&iov, tcon, server, in SMB311_posix_qfs_info()
5143 if (smb3_encryption_required(tcon)) in SMB311_posix_qfs_info()
5154 cifs_stats_fail_inc(tcon, SMB2_QUERY_INFO_HE); in SMB311_posix_qfs_info()
5160 le16_to_cpu(rsp->OutputBufferOffset) + (char *)rsp); in SMB311_posix_qfs_info()
5161 rc = smb2_validate_iov(le16_to_cpu(rsp->OutputBufferOffset), in SMB311_posix_qfs_info()
5162 le32_to_cpu(rsp->OutputBufferLength), &rsp_iov, in SMB311_posix_qfs_info()
5173 SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_QFS_info() argument
5182 struct cifs_ses *ses = tcon->ses; in SMB2_QFS_info()
5187 rc = build_qfs_info_req(&iov, tcon, server, in SMB2_QFS_info()
5194 if (smb3_encryption_required(tcon)) in SMB2_QFS_info()
5205 cifs_stats_fail_inc(tcon, SMB2_QUERY_INFO_HE); in SMB2_QFS_info()
5211 le16_to_cpu(rsp->OutputBufferOffset) + (char *)rsp); in SMB2_QFS_info()
5212 rc = smb2_validate_iov(le16_to_cpu(rsp->OutputBufferOffset), in SMB2_QFS_info()
5213 le32_to_cpu(rsp->OutputBufferLength), &rsp_iov, in SMB2_QFS_info()
5224 SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_QFS_attr() argument
5233 struct cifs_ses *ses = tcon->ses; in SMB2_QFS_attr()
5252 return -EINVAL; in SMB2_QFS_attr()
5255 rc = build_qfs_info_req(&iov, tcon, server, in SMB2_QFS_attr()
5261 if (smb3_encryption_required(tcon)) in SMB2_QFS_attr()
5272 cifs_stats_fail_inc(tcon, SMB2_QUERY_INFO_HE); in SMB2_QFS_attr()
5277 rsp_len = le32_to_cpu(rsp->OutputBufferLength); in SMB2_QFS_attr()
5278 offset = le16_to_cpu(rsp->OutputBufferOffset); in SMB2_QFS_attr()
5284 memcpy(&tcon->fsAttrInfo, offset in SMB2_QFS_attr()
5288 memcpy(&tcon->fsDevInfo, offset in SMB2_QFS_attr()
5293 tcon->ss_flags = le32_to_cpu(ss_info->Flags); in SMB2_QFS_attr()
5294 tcon->perf_sector_size = in SMB2_QFS_attr()
5295 le32_to_cpu(ss_info->PhysicalBytesPerSectorForPerf); in SMB2_QFS_attr()
5299 tcon->vol_serial_number = vol_info->VolumeSerialNumber; in SMB2_QFS_attr()
5300 tcon->vol_create_time = vol_info->VolumeCreationTime; in SMB2_QFS_attr()
5309 smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon, in smb2_lockv() argument
5322 struct TCP_Server_Info *server = cifs_pick_channel(tcon->ses); in smb2_lockv()
5326 rc = smb2_plain_req_init(SMB2_LOCK, tcon, server, in smb2_lockv()
5331 if (smb3_encryption_required(tcon)) in smb2_lockv()
5334 req->sync_hdr.ProcessId = cpu_to_le32(pid); in smb2_lockv()
5335 req->LockCount = cpu_to_le16(num_lock); in smb2_lockv()
5337 req->PersistentFileId = persist_fid; in smb2_lockv()
5338 req->VolatileFileId = volatile_fid; in smb2_lockv()
5343 iov[0].iov_len = total_len - sizeof(struct smb2_lock_element); in smb2_lockv()
5347 cifs_stats_inc(&tcon->stats.cifs_stats.num_locks); in smb2_lockv()
5353 rc = cifs_send_recv(xid, tcon->ses, server, in smb2_lockv()
5359 cifs_stats_fail_inc(tcon, SMB2_LOCK_HE); in smb2_lockv()
5360 trace_smb3_lock_err(xid, persist_fid, tcon->tid, in smb2_lockv()
5361 tcon->ses->Suid, rc); in smb2_lockv()
5368 SMB2_lock(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_lock() argument
5381 return smb2_lockv(xid, tcon, persist_fid, volatile_fid, pid, 1, &lock); in SMB2_lock()
5385 SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon, in SMB2_lease_break() argument
5391 struct cifs_ses *ses = tcon->ses; in SMB2_lease_break()
5399 struct TCP_Server_Info *server = cifs_pick_channel(tcon->ses); in SMB2_lease_break()
5402 rc = smb2_plain_req_init(SMB2_OPLOCK_BREAK, tcon, server, in SMB2_lease_break()
5407 if (smb3_encryption_required(tcon)) in SMB2_lease_break()
5410 req->sync_hdr.CreditRequest = cpu_to_le16(1); in SMB2_lease_break()
5411 req->StructureSize = cpu_to_le16(36); in SMB2_lease_break()
5414 memcpy(req->LeaseKey, lease_key, 16); in SMB2_lease_break()
5415 req->LeaseState = lease_state; in SMB2_lease_break()
5433 cifs_stats_fail_inc(tcon, SMB2_OPLOCK_BREAK_HE); in SMB2_lease_break()
5434 trace_smb3_lease_err(le32_to_cpu(lease_state), tcon->tid, in SMB2_lease_break()
5435 ses->Suid, *please_key_low, *please_key_high, rc); in SMB2_lease_break()
5438 trace_smb3_lease_done(le32_to_cpu(lease_state), tcon->tid, in SMB2_lease_break()
5439 ses->Suid, *please_key_low, *please_key_high); in SMB2_lease_break()